CN118024168A - Installation limit fixture for double ear stop washers - Google Patents

Abstract

The application relates to a mounting limiting tool for a double-lug stop washer, which is used for being arranged between a nut and a piece to be locked and preventing the nut from loosening. Each limiter comprises a limiting part and a locking part, wherein a plurality of limiting parts are sequentially arranged on the connecting belt in a sliding mode along the length direction of the connecting belt, and the locking parts are arranged on the limiting parts and used for locking the limiting parts on the connecting belt. Through the setting of connecting band and a plurality of stopper, a plurality of stoppers can restrict the rotation of the long ear of all ears on waiting the retaining member simultaneously to make things convenient for the screw nut to screw up, easy operation, work efficiency is high, reduces staff's irradiation dose.

Description

Mounting limiting tool for double-lug stop gasket

Technical Field

The application relates to the technical field of installation of double-lug stop gaskets, in particular to an installation limiting tool of a double-lug stop gasket.

Background

The double-lug stop gasket is suitable for small-batch threaded connection which is difficult to check and has very strict anti-loosening requirements, such as larger impact, vibration and high-speed occasions. In the connection operation of valves and pipelines of a nuclear power unit, the valve has a large number of engineering applications due to higher requirements on safety level. A double-lug stop washer is typically provided between the nut and the face of the piece to be locked for preventing loosening of the nut. The double-lug stop gasket is provided with a long lug and a short lug which are vertically arranged, the short lug is used for being bent upwards to be attached to the outer wall of the nut, and the long lug is used for being bent downwards to be attached to the side face of the piece to be locked, so that the purpose of preventing the nut from rotating is achieved.

However, in the actual fastening process of the double-lug stop washer on site, along with the continuous increase of the fastening moment, the double-lug stop washer can rotate along with the nut, so that the long part cannot be bent onto the supporting surface of the side surface of the piece to be locked, and the double-lug stop washer loses the limiting effect. Meanwhile, each member to be fastened is generally fixed by a plurality of bolts. The bolt is often fastened repeatedly for many times, and in the fastening process of each bolt, the positions of the double-lug stop gaskets are required to be corrected in real time, so that a great deal of time is required for fastening the bolt, further the construction period is slow, and more doses are required for working in a nuclear island.

Disclosure of Invention

Based on this, it is necessary to provide a mounting limiting tool for the binaural stopper for solving the problem that the binaural stopper needs to be adjusted multiple times during the mounting process.

The utility model provides a spacing frock of installation of ears locking gasket, ears locking gasket is used for setting up between nut and waiting for the retaining member, the spacing frock of installation includes:

The connecting belt is used for winding the periphery of the piece to be locked; and

The limiting parts are arranged on the connecting belt in a sliding mode in sequence along the length direction of the connecting belt, and the locking parts are arranged on the limiting parts and used for locking the limiting parts on the connecting belt.

In one embodiment, the locking member comprises a lock cylinder and a push switch, the push switch is in sliding connection with the limiting member, the push switch has a first position and a second position which move relative to the lock cylinder and move along the length direction of the connecting belt, and when the push switch is in the first position, the push switch is used for locking the lock cylinder and the connecting belt; the push switch is configured to cause the lock cylinder to release the connecting strap when in the second position.

In one embodiment, the connecting belt comprises a belt body and a plurality of protruding structures, wherein the protruding structures are sequentially arranged on the belt body at equal intervals along the length direction of the belt body and are positioned at one side of the belt body away from the to-be-locked piece;

The lock cylinder is provided with first locking tooth along connecting band length direction's one end, when pushing the switch in the first position, pushing the switch with have on the lock cylinder the one end butt of first locking tooth, first locking tooth is located adjacent two recess between the protruding structure, pushing the switch in the second position, pushing the switch with the lock cylinder is kept away from the other end butt of first locking tooth, first locking tooth is located adjacent two outside the recess between the protruding structure.

In one embodiment, the lock cylinder has a first surface adjacent to the belt body, the first surface having a first end, a middle portion, and a second end in sequence along a length direction of the belt body, the first locking tooth being disposed at the first end, the middle portion protruding from both the first end and the second end.

In one embodiment, one of the push switch and the limiting piece is provided with a sliding groove, and the other one is provided with a guide rail, and the guide rail extends into the sliding groove.

In one embodiment, the push switch is provided with sliding grooves along two sides of the width direction of the connecting belt respectively, the limiting piece is provided with guide rails along two sides of the width direction of the connecting belt respectively, the guide rails extend into the corresponding sliding grooves, so that the push switch is matched with the limiting piece to form a closed cavity, the connecting belt penetrates through the closed cavity, and the lock cylinder is located in the closed cavity.

In one embodiment, the lock cylinder is provided with a second surface far away from the connecting belt, a stop part is arranged at the middle part of the second surface along the length direction of the connecting belt, and the stop part is rotationally connected with the limiting piece;

The push switch comprises a push part, a first blocking wall and a second blocking wall, wherein the first blocking wall and the second blocking wall are respectively arranged at two ends of the push part along the length direction of the connecting belt, when the push switch is in a first position, the second blocking wall is clung to the blocking part, and when the push switch is in a second position, the first blocking wall is clung to the blocking part.

In one embodiment, a friction structure for increasing friction force with the member to be locked is arranged on the side wall of the limiting member away from the push switch.

In one embodiment, a limiting groove is formed in one side of the limiting piece along the length direction of the connecting band, and the limiting groove is used for being clamped with the long lug.

In one embodiment, the connecting band is a flexible band.

In one embodiment, the head end of the connecting band is provided with a lock catch, the tail end of the connecting band is used for penetrating through the lock catch, and the lock catch is used for locking the head end of the connecting band at any position of the connecting band.

In one embodiment, the lock catch comprises a mounting seat, a fastener and a clamping structure, wherein the fastener and the clamping structure are respectively connected with the mounting seat in a rotating mode, the fastener is provided with a locking angle and an unlocking angle, the fastener is simultaneously clamped with the connecting belt and the clamping structure when the fastener is at the locking angle, the clamping structure is used for limiting the fastener to rotate towards the direction in which the connecting belt is tensioned, and the clamping structure releases the fastener when the fastener is at the unlocking angle, and the fastener releases the connecting belt.

In one embodiment, the fastener is provided with a second locking tooth and an abutting surface, the clamping structure is provided with a clamping surface, the second locking tooth is located in the groove between two adjacent protruding structures when the fastener is locked at an angle, and the clamping surface abuts against the abutting surface.

In one embodiment, the clamping structure is rotationally connected with the mounting seat through a second rotating shaft, a plurality of clamping surfaces are sequentially arranged on the clamping structure, the distance from each clamping surface to the second rotating shaft is different, and the clamping surfaces are used for adjusting the tightness degree of the connecting belt when being in butt joint with different clamping surfaces.

Above-mentioned spacing frock of installation of ears locking gasket, through the setting of connecting band and a plurality of stopper, a plurality of stoppers can restrict simultaneously and wait the rotation of the long ear of all ears locking gasket on the retaining member to make things convenient for the screw up of nut, easy operation, work efficiency is high, reduces staff's irradiation dose.

Drawings

Fig. 1 is a schematic structural diagram of an installation limiting tool installed on a member to be locked in an embodiment.

Fig. 2 is a schematic structural diagram of an installation limiting tool in an embodiment.

Fig. 3 is a schematic view showing an internal structure of the locking member when the push switch is in the first position in an embodiment.

FIG. 4 is a schematic view of the structure of the inside of the locking member when the push switch is in the second position in one embodiment.

Fig. 5 is a schematic structural diagram of a lock cylinder according to an embodiment.

Fig. 6 is a schematic structural diagram of a push switch in an embodiment.

Fig. 7 is a schematic structural diagram of a latch according to an embodiment.

Fig. 8 is a schematic view of a fastening structure of a fastener and a fastening structure in an embodiment.

Reference numerals: 10. a nut; 20. a member to be locked; 30. binaural stop pad; 31. short ears; 32. a long ear; 100. a connecting belt; 110. a belt body; 120. a bump structure; 121. a groove; 200. a limiter; 210. a limiting piece; 211. a limit groove; 212. a friction structure; 213. a guide rail; 300. a locking member; 310. a lock core; 311. a first locking tooth; 312. a first end; 313. a middle part; 314. a second end; 315. a stop portion; 320. pushing the switch; 321. a pushing part; 322. a first baffle wall; 323. a second baffle wall; 324. a chute; 400. locking; 410. a mounting base; 411. a first rotation shaft; 412. a second rotation shaft; 420. a fastener; 421. an abutment surface; 422. a second locking tooth; 430. a clamping structure; 431. a clamping surface; 431a, a first clamping surface; 432b, a second clamping surface; 433c, a third clamping surface; 440. and (5) a connector.

Detailed Description

In order that the above objects, features and advantages of the application will be readily understood, a more particular description of the application will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the application, whereby the application is not limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that, if any, these terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., are used herein with respect to the orientation or positional relationship shown in the drawings, these terms refer to the orientation or positional relationship for convenience of description and simplicity of description only, and do not indicate or imply that the apparatus or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the application.

Furthermore, the terms "first," "second," and the like, if any, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the terms "plurality" and "a plurality" if any, mean at least two, such as two, three, etc., unless specifically defined otherwise.

In the present application, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly. For example, the two parts can be fixedly connected, detachably connected or integrated; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present application, unless expressly stated or limited otherwise, the meaning of a first feature being "on" or "off" a second feature, and the like, is that the first and second features are either in direct contact or in indirect contact through an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that if an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. If an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein, if any, are for descriptive purposes only and do not represent a unique embodiment.

Referring to fig. 1-3, in an installation limiting tool for a binaural stop washer 30 according to an embodiment of the present application, the binaural stop washer 30 is disposed between a nut 10 and a member to be locked 20, and is used for preventing loosening of the nut 10, and the installation limiting tool includes a connecting band 100 and a plurality of limiters 200. Each of the stoppers 200 includes a stopper 210 and a locking member 300, the stopper 210 is sequentially slidably disposed on the connection strap 100 along the length direction of the connection strap 100, and the locking member 300 is disposed on the stopper 210 for locking the stopper 210 on the connection strap 100.

In actual use, the binaural stop washer 30 on the member to be locked 20 is first adjusted such that the long ears 32 of the binaural stop washer 30 extend radially outwardly of the member to be locked 20. The connecting band 100 is then disposed on the outer circumference of the member to be locked 20, and the stoppers 200 on the connecting band 100 are slid so that the stoppers 200 are disposed in one-to-one correspondence with the binaural stopper pieces 30, and each stopper 200 is located on one side of the corresponding long lug 32 in the rotational direction, and then the stoppers 210 are locked by the locking member 300, that is, when the bolts are tightened at this time, the long lugs 32 of the binaural stopper pieces 30 are always maintained in the direction extending radially outwardly of the member to be locked 20 due to the stopper action of the stoppers 200. Finally, the connecting band 100 is removed, the short lugs 31 are bent upwards to be clung to the side wall of the nut 10 on the piece 20 to be locked, and the long lugs 32 are bent downwards to be clung to the side surface of the piece 20 to be locked.

It should be noted that, only one mounting process of the binaural stop pad 30 is provided, and the sequence of the steps may be adjusted according to the actual operation requirement, which is not limited herein.

In this embodiment, through the arrangement of the connecting band 100 and the plurality of limiters 200, the plurality of limiters 200 can simultaneously limit the rotation of the long lugs 32 of all the binaural stop gaskets 30 on the member to be locked 20, so as to facilitate the tightening of the nut 10, and the device has the advantages of simple operation, high working efficiency and reduced irradiation dose of staff.

Of course, two stoppers 200 may be disposed corresponding to one binaural stopper 30, and two sides of each long ear 32 are respectively provided with a stopper 200, that is, the long ear 32 can be kept still when the nut 10 is assembled or disassembled.

The member to be locked 20 may be a flange, a pipeline, or a connection end.

In some embodiments, the lock 300 is slidably disposed on the stop 210. Specifically, the locking member 300 includes a lock cylinder 310 and a push switch 320, the push switch 320 is slidably connected to the limiting member 210, the push switch 320 has a first position and a second position that are relatively to the lock cylinder 310 and move along the length direction of the connection belt 100, and when the push switch 320 is in the first position, in conjunction with fig. 3, the push switch 320 is used to lock the lock cylinder 310 and the connection belt 100; when the push switch 320 is in the second position, in connection with fig. 4, the push switch 320 is used to cause the lock cylinder 310 to release the connecting band 100.

Further, the connection strap 100 includes a strap body 110 and a plurality of protrusion structures 120, and the plurality of protrusion structures 120 are sequentially arranged on the strap body 110 at the same interval along the length direction of the strap body 110. The lock cylinder 310 is provided with a first locking tooth 311 along one end of the length direction of the connecting band 100, when the push switch 320 is in the first position, the push switch 320 is abutted with one end of the lock cylinder 310, which is provided with the first locking tooth 311, the first locking tooth 311 is positioned in the groove 121 between two adjacent protruding structures 120, when the push switch 320 is in the second position, the push switch 320 is abutted with the other end of the lock cylinder 310, which is far away from the first locking tooth 311, and the first locking tooth 311 is positioned outside the groove 121 between two adjacent protruding structures 120.

In this embodiment, when the push switch 320 is in the first position, the push switch 320 presses the lock cylinder 310, so that the first locking tooth 311 is inserted into the groove 121 between two adjacent protruding structures 120, and the limiter 200 is locked by limiting the first locking tooth 311 by the groove 121. When the push switch 320 slides to the second position, since the connecting band 100 on the to-be-locked member 20 is generally in a circular arc structure, and the locking member 300 is located outside the circular arc structure, when the push switch 320 presses the lock cylinder 310 to be away from the other end of the first locking tooth 311, one end of the lock cylinder 310 with the first locking tooth 311 can be tilted, and then the first locking tooth 311 is separated from the groove 121, i.e. the limiting member 210 is unlocked.

Still further, the lock cylinder 310 has a first surface adjacent to the belt body 110, and the first surface has a first end 312, a middle portion 313 and a second end 314 sequentially along the length direction of the belt body 110, the first locking tooth 311 is disposed on the first end 312, and the middle portion 313 protrudes from both the first end 312 and the second end 314.

In this embodiment, the middle portion 313 protrudes from both the first end 312 and the second end 314, so that the lock cylinder 310 is not limited by the shape of the member to be locked 20, for example, the shape of the member to be locked 20 may be rectangular or triangular. The portion of the connecting strip 100 that mates with the lock cylinder 310 is now located on either side of a rectangle or triangle. When the push switch 320 slides to the second position, the first end 312 can still be tilted up, and the first locking tooth 311 can be disengaged from the groove 121. Wherein the middle portion 313 is defined between the first end 312 and the second end 314, and is not limited to the position midway between the first end 312 and the second end 314.

Of course, in other embodiments, the locking member 300 may be rotatably connected to the limiting member 210, so as to lock or unlock the limiting member 210 by the locking member 300.

In some embodiments, referring to fig. 3-6, lock cylinder 310 has a second surface remote from belt body 110, the first surface being disposed opposite the second surface, and a middle 313 of the second surface along a length of belt body 110 being provided with a stop portion 315, where stop portion 315 is rotatably connected to stop member 210. The push switch 320 includes a push portion 321, a first blocking wall 322 and a second blocking wall 323 respectively disposed at two ends of the push portion 321 along the length direction of the belt body 110, when the push switch 320 is in the first position, the second blocking wall 323 is tightly attached to the stop portion 315, and when the push switch 320 is in the second position, the first blocking wall 322 is tightly attached to the stop portion 315.

In the present embodiment, the surface of the pushing portion 321 is rugged for increasing the friction force. The stop portion 315 is rotatably connected to the limiting member 210, and the first blocking wall 322 and the second blocking wall 323 are limited by the stop portion 315, so as to prevent the push switch 320 from sliding out of the limiting member 210. The middle 313 of the second surface along the length direction of the belt body 110 refers to a position between two ends of the first surface along the length direction of the belt body 110, and is not limited to a position at the middle of two ends of the first surface along the length direction of the belt body 110.

In some embodiments, one of the push switch 320 and the limiting member 210 is provided with a sliding slot 324, and the other is provided with a guide rail 213, and the guide rail 213 extends into the sliding slot 324.

In some embodiments, the push switch 320 is provided with a sliding groove 324 along two sides of the connecting strip 100 in the width direction, the limiting member 210 is provided with a guide rail 213 along two sides of the connecting strip 100 in the width direction, and the guide rail 213 extends into the corresponding sliding groove 324, so that the push switch 320 and the limiting member 210 cooperate to form a closed cavity, the connecting strip 100 passes through the closed cavity, and the lock core 310 is located in the closed cavity.

In this embodiment, the pushing portion 321 and the limiting member 210 cooperate to form a closed cavity, so that the limiting member 210 and the pushing switch 320 are sleeved outside the connecting band 100 and can slide along the length direction of the connecting band 100. Meanwhile, as the stop part 315 on the lock cylinder 310 is rotationally connected with the limiting piece 210, that is, when the limiting piece 210 moves, the lock cylinder 310 can be driven by the stop part 315 to move along the length direction of the connecting belt 100.

In other embodiments, the push switch is provided with the guide rail along the both sides of the width direction of connecting band respectively, and the locating part is provided with the spout along the both sides of the width direction of connecting band respectively, and the guide rail stretches into in the spout that corresponds, also can realize push switch and locating part's sliding connection and be used for forming closed cavity, and the connecting band passes closed cavity, and the lock core is located closed cavity.

In some embodiments, referring to fig. 2, a friction structure 212 for increasing friction with the member to be locked 20 is provided on a side wall of the stopper 210 remote from the push switch 320. Specifically, the friction structure 212 may be a groove formed on the limiting member 210, or may be a concave-convex structure formed on the limiting member 210.

In some embodiments, referring to fig. 2, a limiting groove 211 is formed on one side of the limiting member 210 along the length direction of the connecting band 100, and the limiting groove 211 is used for being clamped with the long ear 32. In actual use, the long lugs 32 extend into the limit grooves 211, and the limit grooves 211 are used for preventing the long lugs 32 from moving up and down, so that the gasket is deformed.

In some embodiments, the connecting band 100 is a flexible band. The flexible strap is conveniently wrapped around differently shaped members 20 to be secured.

In some embodiments, referring to fig. 7 and 8, the head end of the connection strap 100 is provided with a latch 400, the tail end of the connection strap 100 is used to pass through the latch 400, and the latch 400 is used to lock the head end of the connection strap 100 in any position of the connection strap 100.

In actual use, the position of the lock catch 400 can be adjusted according to the size of the member to be locked 20, so that the connecting band 100 is adapted to the member to be locked 20 with different sizes. So as to further expand the application range of the installation limiting tool.

Meanwhile, due to the arrangement of the lock catch 400, the connecting belt 100 can be quickly sleeved and fastened outside the member to be locked 20, and the installation efficiency is further improved.

In some embodiments, the latch 400 includes a mounting base 410, a fastener 420 and a locking structure 430 rotatably connected to the mounting base 410, respectively, the fastener 420 having a locking angle and an unlocking angle, the fastener 420 being simultaneously locked with the connection strap 100 and the locking structure 430 when the fastener 420 is at the locking angle, the locking structure 430 being used to limit rotation of the fastener 420 in a direction in which the connection strap 100 is pulled tight, the locking structure 430 releasing the fastener 420 when the fastener 420 is at the unlocking angle, the fastener 420 releasing the connection strap 100.

In this embodiment, the latch 400 is used to fasten the connection strap 100 outside the to-be-fastened piece 420, and the to-be-fastened piece 420 has a force opposite to the binding force on the connection strap 100, which force easily causes the fastening piece 420 to rotate to lose the clamping connection with the connection strap 100, so that the clamping structure 430 is provided, and the clamping structure 430 clamps the fastening piece 420, so as to limit the fastening piece 420 to rotate in the direction in which the connection strap 100 is pulled tightly, so that the fastening piece 420 is clamped with the connection strap 100 to fasten the connection strap 100. When unlocking is required, the fastener 420 or the clamping structure 430 is manually rotated, so that the clamping structure 430 releases the fastener 420, that is, the fastener 420 picks up the limiting effect on the connection belt 100, and the head end of the connection belt 100 and the rest position relative to the connection belt 100 are movable, thereby realizing rapid disassembly of the connection belt 100.

The mounting seat 410 includes a seat bottom and side walls disposed at two sides of the seat bottom, the lock catch 400 includes a connector 440, the connector 440 is disposed at one side of the fastener 420 along the length direction of the connection belt 100, and the connector 440 is used for being fixed with the head end of the connection belt 100. The fastener 420 is connected with the mounting seat 410 through the first rotating shaft 411, the clamping structure 430 is connected with the mounting seat 410 through the second rotating shaft 412, the axial directions of the first rotating shaft 411 and the second rotating shaft 412 are both along the width direction of the connecting belt 100, a gap is reserved between the first rotating shaft 411 and the base, the tail end of the connecting belt 100 can conveniently pass through the gap, and after the fastener 420 is rotated to clamp the tail end of the connecting belt 100 with other optional positions on the connecting belt 100, so that the connecting belt 100 forms a closed structure.

Specifically, the fastener 420 is provided with a second locking tooth 422 and an abutment surface 421, the clamping structure 430 is provided with a clamping surface 431, and when the fastener 420 locks an angle, the second locking tooth 422 is located in the groove 121 between two adjacent protruding structures 120, and the clamping surface 431 abuts against the abutment surface 421.

In this embodiment, with the protrusion structures 120 on the connection strap 100, the second locking teeth 422 may be disposed on the fastener 420, and the second locking teeth 422 may be locked when extending into the grooves 121 between two adjacent protrusion structures 120. While the fastener 420 is abutted with the engagement surface 431 through the engagement surface 421 for restricting rotation of the fastener 420 in the direction in which the connection strap 100 is pulled tight.

Specifically, the fastener 420 is provided with a protruding portion, and the protruding portion and the second locking tooth 422 are respectively located at two opposite sides of the first rotation shaft 411, and the abutment surface 421 is located on the protruding portion. When the fastener 420 is locked at an angle, the fastener 420 may be equivalent to a lever, the first rotation shaft 411 is a fulcrum of the lever, and when the direction of the force of the engaging surface 431 on the abutting surface 421 is the same as the direction of the pulling force of the connecting band 100 on the second locking tooth 422, the fastener 420 is in a stable state.

In some embodiments, referring to fig. 8, a plurality of clamping surfaces 431 are sequentially disposed on the clamping structure 430, and a distance from each clamping surface 431 to the clamping structure 430 is different from a distance from each clamping surface 431 to the rotation axis of the mounting base 410, and the abutting surface 421 is used for adjusting tightness of the connecting belt 100 when abutting against different clamping surfaces 431.

In this embodiment, the tightness of the connecting band 100 is roughly adjusted when the second locking teeth 422 are engaged with the grooves 121 at different positions. The plurality of abutment surfaces 421 serve to further fine tune the tightness of the connecting band 100 on the basis of the coarse adjustment. When the different locking surfaces 431 are abutted against the abutting surfaces 421, the locking piece 300 is pushed to rotate around the first rotating shaft 411, so that the second locking teeth 422 are locked with the same groove 121 at different angles, and further fine adjustment of tightness of the connecting belt 100 can be achieved.

Specifically, along the radial direction of the flange, the clamping structure 430 is sequentially provided with a first clamping surface 431a, a second clamping surface 432b and a third clamping surface 433c, and the distance from the first clamping surface 431a to the second rotation axis 412, the distance from the second clamping surface 432b to the second rotation axis 412 and the distance from the third clamping surface 433c to the second rotation axis 412 sequentially increase. That is, when the contact surface 421 is engaged with the first engagement surface 431a, the second engagement surface 432b, and the third engagement surface 433c, respectively, the connection strap 100 gradually changes from the relaxed state to the tensioned state.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the claims. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (14)

1. The utility model provides a spacing frock of installation of ears locking gasket, its characterized in that, ears locking gasket is used for setting up between nut and waiting for the retaining member, the spacing frock of installation includes:

The connecting belt is used for winding the periphery of the piece to be locked; and

The limiting parts are arranged on the connecting belt in a sliding mode in sequence along the length direction of the connecting belt, and the locking parts are arranged on the limiting parts and used for locking the limiting parts on the connecting belt.

2. The mounting and spacing tool for a binaural stop washer according to claim 1, wherein the locking member comprises a lock cylinder and a push switch slidably connected to the limiting member, the push switch having a first position and a second position that move relative to the lock cylinder and along a length of the connecting band, the push switch being configured to lock the lock cylinder to the connecting band when in the first position; the push switch is configured to cause the lock cylinder to release the connecting strap when in the second position.

3. The mounting limiting tool for the binaural stop washer according to claim 2, wherein the connecting band comprises a band body and a plurality of protruding structures, and the plurality of protruding structures are sequentially arranged on the band body at equal intervals along the length direction of the band body and are positioned on one side of the band body away from the member to be locked;

The lock cylinder is provided with first locking tooth along connecting band length direction's one end, when pushing the switch in the first position, pushing the switch with have on the lock cylinder the one end butt of first locking tooth, first locking tooth is located adjacent two recess between the protruding structure, pushing the switch in the second position, pushing the switch with the lock cylinder is kept away from the other end butt of first locking tooth, first locking tooth is located adjacent two outside the recess between the protruding structure.

4. The mounting and limiting tool for the binaural stop washer according to claim 3, wherein the lock cylinder is provided with a first surface close to the belt body, the first surface is sequentially provided with a first end, a middle portion and a second end along the length direction of the belt body, the first locking tooth is arranged at the first end, and the middle portion is simultaneously protruded out of the first end and the second end.

5. The mounting and limiting tool for the double-lug stop washer according to claim 2, wherein one of the push switch and the limiting piece is provided with a sliding groove, and the other one is provided with a guide rail, and the guide rail extends into the sliding groove.

6. The mounting and limiting tool for the double-lug stop gasket according to claim 5, wherein sliding grooves are formed in two sides of the push switch in the width direction of the connecting band respectively, guide rails are arranged in two sides of the limiting piece in the width direction of the connecting band respectively, the guide rails extend into the corresponding sliding grooves, the push switch is matched with the limiting piece to form a closed cavity, the connecting band penetrates through the closed cavity, and the lock cylinder is located in the closed cavity.

7. The mounting and limiting tool for the double-lug stop washer according to claim 2, wherein the lock cylinder is provided with a second surface far away from the connecting belt, a stop part is arranged at the middle part of the second surface along the length direction of the connecting belt, and the stop part is rotationally connected with the limiting piece;

The push switch comprises a push part, a first blocking wall and a second blocking wall, wherein the first blocking wall and the second blocking wall are respectively arranged at two ends of the push part along the length direction of the connecting belt, when the push switch is in a first position, the second blocking wall is clung to the blocking part, and when the push switch is in a second position, the first blocking wall is clung to the blocking part.

8. The mounting and limiting tool for the double-lug stop washer according to claim 2, wherein a friction structure for increasing friction force with a piece to be locked is arranged on a side wall of the limiting piece away from the push switch.

9. The mounting and limiting tool for the double-lug stop washer according to claim 1, wherein a limiting groove is formed in one side of the limiting piece along the length direction of the connecting band, and the limiting groove is used for being clamped with the long lug.

10. The mounting limiting tooling for the binaural stop washer according to claim 1, wherein the connecting strap is a flexible strap.

11. The mounting limiting tool for the double-lug stop washer according to claim 1, wherein a lock catch is arranged at the head end of the connecting band, the tail end of the connecting band is used for penetrating through the lock catch, and the lock catch is used for locking the head end of the connecting band at any position of the connecting band.

12. The mounting limiting tooling for the binaural stop washer according to claim 11, wherein the lock catch comprises a mounting seat, a fastener and a clamping structure, wherein the fastener and the clamping structure are respectively connected with the mounting seat in a rotating mode, the fastener is provided with a locking angle and an unlocking angle, the fastener is simultaneously clamped with the connecting belt and the clamping structure when the fastener is at the locking angle, the clamping structure is used for limiting the fastener to rotate towards the direction in which the connecting belt is tensioned, and the clamping structure releases the fastener when the fastener is at the unlocking angle, and releases the connecting belt.

13. The mounting limiting tooling for the binaural stop washer according to claim 12, wherein the fastener is provided with a second locking tooth and an abutment surface, the clamping structure is provided with a clamping surface, the second locking tooth is positioned in a groove between two adjacent protruding structures when the fastener is locked at an angle, and the clamping surface is abutted with the abutment surface.

14. The mounting limiting tool for the binaural stop washer according to claim 13, wherein the clamping structure is rotatably connected with the mounting seat through a second rotating shaft, a plurality of clamping surfaces are sequentially arranged on the clamping structure, the distance from each clamping surface to the second rotating shaft is unequal, and the clamping surfaces are used for adjusting the tightness degree of the connecting belt when being abutted with different clamping surfaces.