CN206830594U - An Improved Pin - Google Patents

Abstract

The utility model provides a modified pin, including the cotter cap, the pull ring, fastening bolt, the fixed plate, the cavity screw rod, the threaded rod, extension bar and countersunk screw, fixed plate upper end installation fastening bolt, fixed plate lower extreme installation pull ring, the pull ring lower extreme sets up the cotter cap, fastening bolt lower extreme installation cotter cap, inside the fastening bolt lower extreme extended into the cotter cap, this design made things convenient for the dismantlement and the installation of pin, the fixed cavity screw rod of cotter cap lower extreme, the cavity screw rod lower extreme sets up the threaded rod, cavity screw rod right-hand member installation countersunk screw, inside the threaded rod upper end extended into the cavity screw rod, inside the countersunk screw rod was extended into to the countersunk screw left end, countersunk screw left end installation threaded rod, this design made things convenient for the flexible of cotter rod, the application scope of pin has been increased, the utility model discloses convenient to use, be convenient for adjust, application scope is.

Description

An Improved Pin

technical field

The utility model is an improved pin and belongs to the technical field of pins.

Background technique

A part, usually cylindrical, of wood, metal, or other material, especially a support used to hold several separate objects together or to suspend one object from another. Pins are used for positioning and connecting in machines. Function, commonly used pins are cylindrical pins, conical pins, and cotter pins. When connecting parts with cylindrical pins and conical pins, the pin holes of the connected parts should be processed at the same time during assembly, and marked in the figure. Cylindrical pins and conical pins In the sectional view, when the section plane passes through the axis of the pin, the cotter pin is used in conjunction with the channel nut, which passes through the groove on the nut and the hole on the screw rod to prevent the nut from loosening.

The existing pins are usually equipped with pull rings, but sometimes the pull rings are not convenient for the installation of the pins under certain circumstances. If cylindrical bolts are used, it is inconvenient to disassemble the pins, because the pins are standard parts, and sometimes the length of the pin rod is not enough. The effect is not good, and the fastening effect is not good.

Contents of the invention

Aiming at the deficiencies of the prior art, the purpose of this utility model is to provide an improved pin to solve the problems raised in the above-mentioned background technology. The utility model is easy to use, easy to adjust, has a wide application range and good connectivity.

In order to achieve the above object, the utility model is achieved through the following technical solutions: an improved pin, including a detachable ring device, a pin cap and a telescoping device, the lower end of the detachable ring device is equipped with a pin cap, the The telescopic device is fixed at the lower end of the pin cap, and the detachable pull ring device includes a pull ring, a fastening bolt and a fixing plate. Pin cap, the pin cap is installed at the lower end of the fastening bolt, the lower end of the fastening bolt extends into the inside of the pin cap, the telescopic device includes a hollow screw rod, a threaded rod, an extension rod and a countersunk screw, the lower end of the pin cap is fixed hollow screw, the lower end of the hollow screw is provided with a threaded rod, the right end of the hollow screw is equipped with a countersunk screw, the upper end of the threaded rod extends into the interior of the hollow screw, the lower end of the threaded rod is fixed with an extension rod, and the left end of the countersunk screw extends into the hollow The screw rod is internally connected with the threaded rod.

Further, the inner end of the hollow screw and the outer end of the threaded rod are threaded, and the hollow screw and the threaded rod are connected through threads.

Further, the diameter of the hollow screw is the same as that of the extension rod.

Further, the lower end of the fixing plate is processed with a semicircular groove, the upper end of the pin cap is processed with a semicircular groove, and the pull ring is installed in the groove.

Further, the fixing plate is connected with the pin cap through fastening bolts.

Further, the outer end of the pin cap is processed with anti-slip patterns.

Beneficial effects of the utility model: an improved pin of the utility model, the utility model realizes the detachable function of the pull ring by adding a pull ring, a fastening bolt and a fixing plate, and the existence of the pull ring is convenient for the pin to be fixed. Installation and disassembly, so that the installation and disassembly of the pin is convenient, and the problem that the pull ring on the existing pin affects the installation of the pin and the pin without the pull ring is inconvenient to disassemble is solved.

The utility model adds a hollow screw rod, a threaded rod, an extension rod and a countersunk head screw. , It is inconvenient to connect and fix between parts, which is not conducive to the disadvantages of pin promotion.

Because of the addition of threads, the design facilitates the expansion and contraction of the threaded rod, and because of the addition of grooves, the design facilitates the placement of the pull ring and strengthens the stability of the pull ring. The utility model is easy to use, easy to adjust, has a wide range of applications, and has good connectivity.

Description of drawings

Other features, objects and advantages of the present invention will become more apparent by reading the detailed description of non-limiting embodiments with reference to the following drawings:

Fig. 1 is the structural representation of a kind of improved pin of the utility model;

Fig. 2 is a structural schematic diagram of a detachable pull ring device in an improved pin of the present invention;

Fig. 3 is a structural schematic diagram of an improved telescoping device in the pin of the present invention;

In the figure: 1-removable pull ring device, 2-pin cap, 3-telescopic device, 11-pull ring, 12-fastening bolt, 13-fixing plate, 31-hollow screw rod, 32-threaded rod, 33-extension rod, 34-countersunk head screw.

detailed description

In order to make the technical means, creative features, goals and effects achieved by the utility model easy to understand, the utility model will be further elaborated below in conjunction with specific embodiments.

Please refer to Figures 1-3, the utility model provides a technical solution: an improved pin, including a detachable ring-drawing device 1, a pin cap 2 and a telescoping device 3, and the lower end of the detachable ring-drawing device 1 is equipped with a pin cap 2 , the lower end of the pin cap 2 fixes the telescopic device 3 .

The detachable pull ring device 1 comprises a pull ring 11, a fastening bolt 12 and a fixed plate 13, the fastening bolt 12 is installed on the upper end of the fixed plate 13), the pull ring 11 is installed on the lower end of the fixed plate 13, and the pin cap 2 is arranged on the lower end of the pull ring 11, and the The pin cap 2 is installed at the lower end of the fastening bolt 12, and the lower end of the fastening bolt 12 extends into the pin cap 2 inside. This design facilitates the disassembly and installation of the pull ring 11, and facilitates the disassembly and installation of the pin.

Telescoping device 3 comprises hollow screw rod 31, threaded rod 32, extension rod 33 and countersunk screw 34, and pin cap 2 lower ends fix hollow screw rod 31, and hollow screw rod 31 lower end is provided with threaded rod 32, and hollow screw rod 31 right-hand side is installed countersunk head screw 34, and thread The upper end of the rod 32 extends into the interior of the hollow screw 31, the lower end of the threaded rod 32 fixes the extension rod 33, and the left end of the countersunk screw 34 extends into the interior of the hollow screw 31 to connect with the threaded rod 32. This design facilitates the expansion and contraction of the pin rod and expands the use of the pin scope.

The inner end of the hollow screw 31 and the outer end of the threaded rod 32 are threaded, the hollow screw 31 and the threaded rod 32 are connected by threads, the diameter of the hollow screw 31 is the same as that of the extension rod 33, the lower end of the fixing plate 13 is processed with a semicircular groove, and the pin cap 2 The upper end is processed with a semicircular groove, the pull ring 11 is installed in the semicircular groove, the fixed plate 13 is connected with the pin cap 2 through the fastening bolt 12, and the outer end of the pin cap 2 is processed with an anti-skid pattern.

Specific embodiments: when using the utility model, the operator first observes the surrounding environment where the utility model is placed, and if it is not necessary to use the pull ring 11, twist the fastening bolt 12 until the lower end of the fastening bolt 12 is in contact with the pin cap 2 Separate, because the fixed plate 13 is connected with the pin cap 2 through the fastening bolt 12, so the fixed plate 13 and the fastening bolt 12 can be removed, and then the pull ring 11 can be removed from the upper end of the pin cap 2. This design is convenient for the pull ring 11 If it is necessary to increase the length of the screw rod, the operator first turns the countersunk screw 34, because the left end of the countersunk screw 34 extends into the interior of the hollow screw 31 and connects with the threaded rod 32, so removing the countersunk screw 34 can be realized The relative movement between the threaded rod 32 and the hollow screw 31, and then twist the extension rod 33, because the extension rod 33 is fixed at the lower end of the threaded rod 32, so the rotation of the extension rod 33 drives the rotation of the threaded rod 32, because the hollow screw 31 and the threaded rod 32 pass through The threads are connected, so the rotation of the threaded rod 32 will drive the threaded rod 32 to move down, and then drive the extension rod 33 to move down until it increases to an appropriate length, stop screwing the threaded rod 32, and then tighten the countersunk screw 34. This design is convenient The expansion and contraction of the pin rod enhances the scope of application of the pin.

The above shows and describes the basic principles and main features of the utility model and the advantages of the utility model. For those skilled in the art, it is obvious that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and without departing from the utility model The present utility model can be realized in other specific forms without the spirit or essential features. Therefore, no matter from all points of view, the embodiments should be regarded as exemplary and non-restrictive, and the scope of the present invention is defined by the appended claims rather than the above description, so it is intended to fall within the scope of the claims All changes within the meaning and range of equivalents of the required elements are included in the present invention. Any reference sign in a claim should not be construed as limiting the claim concerned.

In addition, it should be understood that although this specification is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the specification is only for clarity, and those skilled in the art should take the specification as a whole , the technical solutions in the various embodiments can also be properly combined to form other implementations that can be understood by those skilled in the art.

Claims (6)

1. a kind of improved pin, including detachable draw ring arrangement（1）, lug cap（2）And retractor device（3）, its feature exists In：The detachable draw ring arrangement（1）Lower end is installed by lug cap（2）, the lug cap（2）Retractor device is fixed in lower end（3）；

The detachable draw ring arrangement（1）Including draw ring（11）, fastening bolt（12）And fixed plate（13）, the fixed plate （13）Upper end is installed by fastening bolt（12), the fixed plate（13）Lower end is installed by draw ring（11）, the draw ring（11）Lower end is set Lug cap（2）, the fastening bolt（12）Lower end is installed by lug cap（2）；

The retractor device（3）Including hollow screw（31）, threaded rod（32）, extension bar（33）And sunk screw（34）, institute State lug cap（2）Hollow screw is fixed in lower end（31）, the hollow screw（31）Lower end is threaded bar（32）, the hollow spiral shell Bar（31）Right-hand member installs sunk screw（34）, the threaded rod（32）Upper end extends into hollow screw（31）Inside, the screw thread Bar（32）Extension bar is fixed in lower end（33）, the sunk screw（34）Left end extends into hollow screw（31）Internal and dress threaded rod （32）It is connected.

A kind of 2. improved pin according to claim 1, it is characterised in that：The hollow screw（31）Inner and spiral shell Rasp bar（32）Outer end processes screw thread, the hollow screw（31）With threaded rod（32）It is connected by screw thread.

A kind of 3. improved pin according to claim 1, it is characterised in that：The hollow screw（31）Diameter with plus Stock（33）Diameter it is identical.

A kind of 4. improved pin according to claim 1, it is characterised in that：The fixed plate（13）Lower end processes semicircle Groove, the lug cap（2）Upper end processes semicircle groove, the draw ring（11）In groove.

A kind of 5. improved pin according to claim 1, it is characterised in that：The fixed plate（13）Pass through fastening bolt （12）With lug cap（2）It is connected.

A kind of 6. improved pin according to claim 1, it is characterised in that：The lug cap（2）Outer end processing is anti-skidding Decorative pattern.