CN217951237U - Swing valve with adjustable opening degree - Google Patents

Abstract

The utility model discloses a swing valve with adjustable opening, which comprises a valve core, a valve body and a driving device; the valve core comprises a sealing plate, a supporting plate, a ball mounting frame and a driving supporting frame; the sealing plate and the supporting plate are arranged on two end faces of the driving supporting frame, and the ball mounting frame is arranged between the sealing plate and the supporting plate; be provided with the ball subassembly on the ball mounting bracket, all be provided with on the internal surface of closing plate and backup pad with ball subassembly complex ball groove, drive arrangement is including driving actuating cylinder, gear and rack. The utility model discloses in, promote the ball subassembly in the ball mounting bracket through drive arrangement and remove in closing plate and backup pad, make the ball subassembly roll out or reset from the ball inslot to accomplish opening or closing of valve, make the vibrations that the valve was opened or was closed reduce, solved the too big problem of vibrations that traditional swing valve directly pushed the case and lead to.

Description

A Swing Valve with Adjustable Opening

technical field

The utility model belongs to the technical field of swing valves, in particular to a swing valve with adjustable opening.

Background technique

The valve is a control component in the fluid delivery system, which has functions such as cut-off, adjustment, flow diversion, reverse flow prevention, pressure stabilization, flow diversion or overflow pressure relief. There are many types of valves, and the structures and schemes adopted by different working environments and different conveying media have their own characteristics. The swing valve is an important component in the dense phase positive pressure pneumatic conveying system.

A swing valve usually includes a valve body, a valve core, a cylinder, a rotating shaft, a swing arm and a valve plate; in the prior art, since the cylinder directly drives the swing arm to rotate, the swing arm drives the valve core to swing to complete the opening or closing of the valve core. . This arrangement will result in a larger space required for the cavity, valves and cylinders, making the overall structure not compact.

Utility model content

The purpose of the utility model is to provide a swing valve with adjustable opening, so as to solve the problem that the swing valve requires a large space in the prior art proposed in the background art.

In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is:

A swing valve with adjustable opening, including a valve core, a valve body and a driving device; wherein, a valve opening is arranged on the valve body, the valve core is arranged inside the valve body, and the driving device is arranged outside the valve body to drive The device is used to drive the spool to move;

The valve core includes a first sealing plate, a second sealing plate, a ball mounting frame and a driving support frame; wherein, the sealing plate and the second sealing plate are arranged on both sides of the driving supporting frame, and the ball mounting frame is arranged on the first sealing plate and the second sealing plate. The position between the two sealing plates; a ball assembly is provided on the ball mounting frame, and a ball groove matching with the ball assembly is provided on the inner surface of the first sealing plate and the support plate;

The driving device includes a driving cylinder, a gear and a rack, wherein the driving cylinder is fixedly connected to the rack, and the rack is engaged with the gear; the gear is fixedly connected to the rotating shaft arranged on the valve body; The push block is rotatably connected with a push rod at the end of the push block, and the push rod is used to push the ball mounting frame to move; the end of the push rod is hinged with the ball mounting frame.

According to the above technical solution, a reset assembly is also provided in the valve core; the reset assembly includes an inner sleeve and an outer sleeve, the inner sleeve is fixed on the first sealing plate by bolts, and the outer sleeve is sleeved outside the inner sleeve, and One end of the outer sleeve is fixedly connected with the second sealing plate, and a spring is also arranged between the outer sleeve and the inner sleeve, and the first sealing plate and the second sealing plate are connected through the reset assembly.

According to the above technical solution, a sleeve is also provided outside the rack, and the sleeve is used to protect the rack from dust.

According to the above technical solution, one end of the rotating shaft is arranged inside the valve body, the other end of the rotating shaft extends to the outside of the valve body, and the rotating shaft is rotationally sealed with the valve body.

According to the above technical solution, the end of the push rod is hinged to the ball mounting frame.

According to the above technical solution, a limiting boss is provided inside the driving support frame, and the limiting boss is used to limit the position of the push rod.

According to the above technical solution, installation grooves are provided on both the first sealing plate and the second sealing plate, and the installation grooves are used for installing the sealing ring.

According to the above technical solution, the valve body includes a first valve body and a second valve body, and the first valve body and the second valve body are detachably connected.

According to the above technical solution, 10-14 sets of ball assemblies are arranged on the ball mounting frame, and 10-14 sets of ball assemblies are evenly arranged on the ball mounting frame.

According to the above technical solution, connecting flanges are also provided on both sides of the valve body.

Compared with the prior art, the utility model has the following beneficial effects:

In the utility model, a valve core, a valve body and a driving device are provided; the valve core includes a first sealing plate, a second sealing plate, a ball mounting frame and a driving support frame, and a ball assembly is arranged on the ball mounting frame. Ball grooves are arranged on the first sealing plate and the second sealing plate, and the ball assembly in the ball installation frame is pushed to move on the first sealing plate and the second sealing plate through the driving device, so that the ball assembly rolls out or resets from the ball groove (ball Return to the ball groove), so as to complete the opening or closing of the valve, reduce the vibration of the valve opening or closing, and solve the problem of excessive vibration caused by the traditional swing valve directly pushing the valve core. Moreover, the opening or closing of the swing valve is realized by using the rack and pinion, which facilitates the control of the opening angle of the valve.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the utility model;

Fig. 2 is a schematic view of the structure of the utility model;

Fig. 3 is a structural schematic diagram of the drive device of the present invention;

Fig. 4 is a schematic diagram of the internal structure of the utility model;

Fig. 5 is one of the structure schematic diagrams of the utility model valve body;

Fig. 6 is a schematic diagram of closing of the valve body of the present invention;

Fig. 7 is the second structure schematic diagram of the utility model valve body;

Figure 8 is a schematic diagram of opening the utility model;

Fig. 9 is a schematic diagram of a partially enlarged structure at A of the utility model;

Fig. 10 is a schematic diagram of the rear view structure of the utility model.

Marks in the figure: 100-valve body, 101-first valve body, 102-second valve body, 103-valve opening, 200-first sealing plate, 300-second sealing plate, 400-ball mounting frame, 500- Drive support frame, 600-ball assembly, 700-ball groove, 800-drive cylinder, 900-gear, 110-rack, 111-rotating shaft, 112-pushing block, 113-pushing rod, 114-inner sleeve, 115 -outer sleeve, 116-spring, 117-sleeve, 118-limiting boss, 119-installation groove, 120-sealing ring, 121-sliding groove, 122-guide wheel.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Embodiment one

As shown in Figure 1, Figure 2, Figure 3 and Figure 10, a swing valve with adjustable opening includes a valve core, a valve body 100 and a driving device; wherein, a valve opening 103 is provided on the valve body 100, the valve The core is arranged inside the valve body 100, and the driving device is arranged outside the valve body 100, and the driving device is used to drive the valve core to move;

The valve core includes a first sealing plate 200, a second sealing plate 300, a ball mounting frame 400 and a driving support frame 500; wherein, the first sealing plate 200 and the second sealing plate 300 are arranged on both sides of the driving supporting frame 500, and the balls are installed The frame 400 is arranged at a position between the first sealing plate 200 and the second sealing plate 300; the ball mounting frame 400 is provided with a ball assembly 600, and the inner surfaces of the first sealing plate 200 and the second sealing plate are provided with The ball groove 700 matched with the ball assembly 600;

As shown in Figure 3, the driving device includes a driving cylinder 800, a gear 900 and a rack 110, wherein the driving cylinder 800 is fixedly connected with the rack 110, and the rack 110 is meshed with the gear 900; The rotating shaft 111 is fixedly connected; the end of the rotating shaft 111 is also fixedly provided with a push block 112, and the end of the push block 112 is rotatably connected with a push rod 113, and the push rod 113 is used to push the ball mounting frame 400 to move; The ends are hinged with ball mounts 400 .

Further, the driving cylinder 800 is a servo cylinder, which can control the opening degree of the valve to reduce the pumping speed of the vacuum pump connected to the previous stage, thereby adjusting the vacuum degree in the process chamber.

In the utility model, a valve core, a valve body 100 and a driving device are provided; The ball assembly 600 is provided, the ball groove 700 is provided on the first sealing plate 200 and the second sealing plate 300, and the ball assembly 600 in the ball installation frame 400 is pushed by the driving device to move on the first sealing plate 200 and the second sealing plate 300 , so that the ball assembly 600 rolls out or resets from the ball groove 700, thereby completing the opening or closing of the valve, reducing the vibration of the valve opening or closing, and solving the problem of excessive vibration caused by the traditional swing valve directly pushing the valve core. Moreover, by using the gear 900 and the rack 110 to realize the opening or closing of the swing valve, it is convenient to control the opening angle of the valve.

Embodiment two

This embodiment is a further refinement of Embodiment 1. A reset assembly is also provided in the valve core; the reset assembly includes an inner sleeve 114 and an outer sleeve 115, the inner sleeve 114 is fixed on the first sealing plate 200 by bolts, and the outer sleeve 115 is sleeved outside the inner sleeve 114, And one end of the outer sleeve 115 is fixedly connected to the second sealing plate 300 , and a spring 116 is provided between the outer sleeve 115 and the inner sleeve 114 , and the first sealing plate 200 and the second sealing plate 300 are connected through a reset assembly.

A sleeve 117 is also provided outside the rack 110 , and the sleeve 117 is used to protect the rack 110 from dust.

One end of the rotating shaft 111 is disposed inside the valve body 100 , and the other end of the rotating shaft 111 extends to the outside of the valve body 100 , and the rotating shaft 111 is rotationally sealed with the valve body 100 .

The end of the push rod 113 is hinged to the ball mounting frame 400 .

A limiting boss 118 is also provided inside the driving support frame 500 , and the limiting boss 118 is used to limit the pushing rod 113 .

Both the first sealing plate 200 and the second sealing plate 300 are provided with installation grooves 119 , and the installation grooves 119 are used for installing the sealing ring 120 .

The valve body 100 includes a first valve body 101 and a second valve body 102, and the first valve body 101 and the second valve body 102 are detachably connected.

By setting the valve body 100 as the first valve body 101 and the second valve body 102, maintenance is facilitated, and the valve can be maintained without dismantling the connected pipeline or process chamber.

10-14 sets of ball assemblies 600 are arranged on the ball mounting frame 400 , and 10-14 sets of ball assemblies 600 are uniformly arranged on the ball mounting frame 400 .

Further, two balls are arranged inside a set of ball assembly 600 , and the two balls are respectively provided at both ends of the ball assembly 600 , and the two balls are respectively in contact with the first sealing plate 200 and the second sealing plate 300 . When the push rod 113 pushes the ball mounting frame 400 to move, the balls can not only push the first sealing plate 200 and the second sealing plate 300, but also make the ball mounting frame 400 lower and contact with the first sealing plate during the moving process. The friction between the plate 200 and the second sealing plate 300 makes the operation smoother and reduces the vibration of the valve.

Further, a slide groove 121 is also provided inside the drive support frame 500, and a guide wheel 122 that cooperates with the slide groove 121 is provided on the ball mounting frame 400, and the balls are installed through the cooperation of the guide wheel 122 and the slide groove 121. The frame 400 is slidably connected with the driving support frame 500 .

Connecting flanges are also provided on both sides of the valve body 100 .

Further, there are two sets of connecting flanges, and the two sets of connecting flanges are respectively arranged on both sides of the valve body 100 , and the two sets of connecting flanges are respectively communicated with the valve opening 103 .

The working principle of the utility model is: when in use, open the driving cylinder 800, the driving cylinder 800 drives the rack 110 to move, the rack 110 drives the gear 900 to rotate, and the gear 900 drives the rotating shaft 111 to rotate, thereby driving the gear provided at the end of the rotating shaft 111 The push block 112 at the top rotates, because the push block 112 is connected to one end of the push rod 113 in rotation, and the other end of the push rod 113 is hinged with the ball mounting frame 400, thereby driving the ball mounting frame 400 to move, and the movement of the ball mounting frame 400 drives the The ball assembly 600 moves left and right to complete the sealing or opening of the valve opening 103, thereby completing the opening or closing of the valve.

Embodiment three

This embodiment provides a specific implementation manner of opening a valve. As shown in Figure 7, Figure 8 and Figure 9, when the valve is opened, firstly, the driving cylinder 800 is opened, and the driving cylinder 800 drives the rack 110 to move outward, thereby driving the gear 900 to rotate counterclockwise, and the gear 900 drives the rotating shaft 111 and pushes The block 112 rotates counterclockwise together, and the push rod 113 is driven by the push block 112 to move, so that the push rod 113 drives the ball mounting frame 400 to move to the left, and the ball assembly 600 inside the ball mounting frame 400 is pushed back to the inside of the ball groove 700, The support of the first sealing plate 200 and the second sealing plate 300 is released, and the first sealing plate 200 and the second sealing plate 300 are reset under the action of the reset component, so that the valve is opened.

Embodiment four

This embodiment provides a specific implementation manner of valve closing. As shown in Figures 5 and 6, when the valve is closed, the driving cylinder 800 is preferred to be opened, and the driving cylinder 800 drives the rack 110 to move inward, thereby driving the gear 900 to rotate clockwise, and the gear 900 drives the rotating shaft 111 and the pushing block 112 to move clockwise together. Clockwise rotation, the push rod 113 is driven to rotate together by the push block 112, thereby driving the ball mounting frame 400 to move to the right, and pushing the ball assembly 600 inside the ball mounting frame 400 out of the ball groove 700, because the ball groove 700 is inclined inward It is set so that the depth of the left end of the ball groove 700 is greater than the depth of the right end. When the ball assembly 600 moves to the right, since the height between the first sealing plate 200 and the second sealing plate 300 becomes narrow, the ball assembly 600 will push the first The sealing plate 200 and the second sealing plate 300 move to both ends, so that the first sealing plate 200 and the support plate 300 respectively abut against the valve body 100 to close the valve body 100 . Moreover, during the movement of the first sealing plate 200 and the second sealing plate 300 , the sealing ring 120 will be compressed, so as to seal between the first sealing plate 200 and the supporting plate 300 and the valve body 100 . Moreover, during the movement of the first sealing plate 200 and the second sealing plate 300, the inner sleeve 114 and the outer sleeve 115 of the reset assembly will be stretched to both ends respectively.

It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is a relationship between these entities or operations. There is no such actual relationship or sequence. Furthermore, the term "comprises", "comprises" or any other variation thereof is intended to cover a non-exclusive inclusion such that a process, method, article, or apparatus comprising a set of elements includes not only those elements, but also includes elements not expressly listed. other elements of or also include elements inherent in such a process, method, article, or apparatus.

Finally, it should be noted that: the above is only a preferred embodiment of the utility model, and is not intended to limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art , it is still possible to modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (9)

1. The utility model provides an aperture adjustable swing valve which characterized in that: comprises a valve core, a valve body (100) and a driving device; the valve body (100) is provided with a valve opening (103), the valve core is arranged inside the valve body (100), the driving device is arranged outside the valve body (100), and the driving device is used for driving the valve core to move;

the valve core comprises a first sealing plate (200), a second sealing plate (300), a ball mounting frame (400) and a driving support frame (500); wherein, the first sealing plate (200) and the second sealing plate (300) are arranged at two sides of the driving support frame (500), and the ball mounting rack (400) is arranged at a position between the first sealing plate (200) and the second sealing plate (300); a ball assembly (600) is arranged on the ball mounting frame (400), and ball grooves (700) matched with the ball assembly (600) are arranged on the inner surfaces of the first sealing plate (200) and the second sealing plate (300);

the driving device comprises a driving cylinder (800), a gear (900) and a rack (110), wherein the driving cylinder (800) is fixedly connected with the rack (110), and the rack (110) is meshed with the gear (900); the gear (900) is fixedly connected with a rotating shaft (111) arranged on the valve body (100); a pushing block (112) is fixedly arranged at the end part of the rotating shaft (111), a pushing rod (113) is rotatably connected to the end part of the pushing block (112), and the pushing rod (113) is used for pushing the ball mounting frame (400) to move; the end of the push rod (113) is hinged with the ball mounting frame (400).

2. An adjustable degree of opening swing valve as defined in claim 1, further comprising: a reset component is also arranged in the valve core; the reset assembly comprises an inner sleeve (114) and an outer sleeve (115), the inner sleeve (114) is fixedly arranged on the first sealing plate (200) through a bolt, the outer sleeve (115) is sleeved outside the inner sleeve (114), one end of the outer sleeve (115) is fixedly connected with the second sealing plate (300), a spring (116) is further arranged between the outer sleeve (115) and the inner sleeve (114), and the first sealing plate (200) is connected with the second sealing plate (300) through the reset assembly.

3. An adjustable degree of opening swing valve as defined in claim 1, further comprising: a sleeve (117) is further arranged outside the rack (110), and the sleeve (117) is used for protecting the rack (110) from dust.

4. An adjustable degree of opening swing valve as defined in claim 1, further comprising: one end of the rotating shaft (111) is arranged inside the valve body (100), the other end of the rotating shaft (111) extends to the outside of the valve body (100), and the rotating shaft (111) and the valve body (100) are sealed in a rotating mode.

5. An adjustable degree of opening swing valve as defined in claim 1, further comprising: a limiting boss (118) is further arranged inside the driving support frame (500), and the limiting boss (118) is used for limiting the push rod (113).

6. An adjustable degree of opening swing valve as defined in claim 1, further comprising: mounting grooves (119) are formed in the first sealing plate (200) and the second sealing plate (300), and the mounting grooves (119) are used for mounting the sealing rings (120).

7. An adjustable degree of opening swing valve as defined in claim 1, further comprising: the valve body (100) comprises a first valve body (101) and a second valve body (102), and the first valve body (101) and the second valve body (102) are detachably connected.

8. An adjustable degree of opening swing valve as defined in claim 1, further comprising: 10-14 sets of ball assemblies (600) are arranged on the ball mounting rack (400), and the 10-14 sets of ball assemblies (600) are uniformly arranged on the ball mounting rack (400).

9. An adjustable degree of opening swing valve as defined in claim 1, further comprising: and connecting flanges are arranged on two sides of the valve body (100).

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