CN215721183U

CN215721183U - Anti-misoperation ball valve

Info

Publication number: CN215721183U
Application number: CN202121921211.0U
Authority: CN
Inventors: 翁黄浦
Original assignee: Zhejiang Juri Valve Co ltd
Current assignee: Zhejiang Juri Valve Co ltd
Priority date: 2021-08-16
Filing date: 2021-08-16
Publication date: 2022-02-01
Anticipated expiration: 2031-08-16

Abstract

The utility model discloses an anti-misoperation ball valve which comprises a valve body, a valve core and a valve rod, wherein the valve core is arranged in the valve body; the valve rod is connected with a stroke disc in a linkage manner, the bottom of the stroke disc is provided with an arc-shaped limiting part, and the part of the valve body, which is positioned at the outer end of the valve neck, is provided with an arc-shaped limiting groove; the stroke disc side part is equipped with a pair of support arm, has seted up the round hole on the support arm, and the edge of round hole is equipped with evenly to be provided with a plurality of location concave parts, and the one end of handle is equipped with the universal driving shaft, and two round holes are run through respectively at the both ends of universal driving shaft to the both ends of universal driving shaft are equipped with a damping piece respectively, and the damping piece rotates and sets up in the round hole that corresponds, and the periphery of damping piece evenly is provided with a plurality of location convex parts with location concave part looks adaptation. The utility model can avoid the valve opening caused by the misoperation of an operator touching the valve handle when the valve is closed, thereby preventing the occurrence of production accidents.

Description

Anti-misoperation ball valve

Technical Field

The utility model relates to the technical field of valves, in particular to an anti-misoperation ball valve.

Background

The ball valve is widely applied to fluid control, and in the fluid control application, the ball valve is mainly used for opening, closing, distributing the flow of fluid media, changing the flow direction and flow rate of the fluid media and the like in a pipeline. The rotating handle drives the valve rod to rotate, the ball valve is opened when the valve core passage is communicated with the valve body passage, and the ball valve is closed when the valve core passage is not communicated with the valve body passage. However, in the actual use process, after the valve is closed, occasionally, the body of an operator touches the handle of the valve when walking, so that the valve is opened, and thus, a production accident occurs.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an anti-misoperation ball valve which can prevent a valve from being opened due to the fact that an operator touches a valve handle by misoperation when the valve is closed, and production accidents are prevented.

In order to achieve the purpose, the utility model provides the following technical scheme: an anti-misoperation ball valve comprises a valve body, a valve core and a valve rod, wherein the valve core is arranged in the valve body, the valve rod penetrates through the valve neck part of the valve body, the inner end of the valve rod is in linkage connection with the valve core, and the outer end of the valve rod is connected with a handle; the valve rod is connected with a stroke disc in a linkage manner, the bottom of the stroke disc is provided with an arc-shaped limiting part, the part of the valve body, which is positioned at the outer end of the valve neck, is provided with an arc-shaped limiting groove matched with the arc-shaped limiting part, and the arc length of the arc-shaped limiting groove is greater than that of the arc-shaped limiting part; the stroke disc comprises a handle, a stroke disc and a damping block, wherein a pair of supporting arms are arranged on the lateral portion of the stroke disc, round holes are formed in the supporting arms, a plurality of positioning concave portions are evenly formed in the edges of the round holes, a linkage shaft is arranged at one end of the handle, two ends of the linkage shaft penetrate through the two round holes respectively, the damping block is arranged at each of the two ends of the linkage shaft and is rotatably arranged in the corresponding round hole, and a plurality of positioning convex portions matched with the positioning concave portions are evenly arranged on the periphery of the damping block.

Through adopting above-mentioned technical scheme, when the valve was closed, can turn over the handle with the downward rotation handle and fold and accomodate, simultaneously, the universal driving shaft for connecting handle and support arm receives the damping piece effect, and the location convex part on the damping piece agrees with mutually with the location concave part in the support arm round hole promptly, realizes the location of handle, prevents that the handle from producing to rock, guarantees the stability of handle state of accomodating. After the handle is accomodate, can avoid the valve to touch the valve handle and lead to the valve to open because of operating personnel maloperation when closing, prevent the emergence of production accident.

The universal driving device is further provided with the linkage shaft comprising a first square shaft part, two ends of the first square shaft part are respectively provided with a second square shaft part, the area of the second square shaft part is smaller than that of the first square shaft part, the outer end of each second square shaft part is respectively provided with a first screw rod part, the handle is provided with a first square hole which is matched with the first square shaft part, the damping block is provided with a second square hole which is matched with the second square shaft part, and the first screw rod part is in threaded connection with a locking nut which is used for tightly abutting the damping block against the outer end of the corresponding first square shaft part.

Through adopting above-mentioned technical scheme, can realize the linkage of universal driving shaft, handle and damping piece, make three simultaneous movement to mounting structure is simple, and the dismouting is very convenient, is convenient for assemble earlier stage and the maintenance operation in later stage.

The utility model is further arranged that the damping block is made of plastic material.

Through adopting above-mentioned technical scheme, can take place to warp when the atress rotates, the unable emergence of handle is rotated under the circumstances of avoiding location convex part and location concave part to agree with.

The utility model is further provided with a sliding cavity arranged at one end of the handle far away from the universal driving shaft along the length direction, a sliding plate is arranged on the sliding cavity in a penetrating manner, a limiting screw is connected to the sliding plate in a threaded manner, and a long guide hole communicated with the sliding cavity and used for the limiting screw to pass through is arranged on the upper surface of the handle.

Through adopting above-mentioned technical scheme, the change of the whole length of handle can be realized to the push-and-pull slide to realize the change of the operating force arm, handle whole length grow can reduce operating torque, make the operation of opening and close of valve lighter.

The utility model is further provided that the outer end of the sliding plate is provided with a pulling plate.

Through adopting above-mentioned technical scheme, operating personnel can pull out the slide through the application of force to the arm-tie to the push-and-pull operation that makes the slide is more convenient.

The utility model is further provided that the side part of the valve neck of the valve body is provided with a receiving part, and the receiving part is provided with a receiving groove for embedding the handle.

Through adopting above-mentioned technical scheme, can accomodate the handle and hide, play the guard action to the handle.

The utility model is further arranged that the bottom of the accommodating groove is provided with a plurality of thumb grooves for fingers to extend into.

Through adopting above-mentioned technical scheme, the operating personnel of being convenient for stretches into the thumb and pulls out the handle, does benefit to the operation of opening the valve.

The utility model is further provided that the inner side wall of the accommodating groove is provided with a groove body, and the groove body is embedded with a friction pad acting on the handle.

Through adopting above-mentioned technical scheme, the friction pad supports on the handle, can promote the handle stability when accomodating, avoids valve during operation handle to take place to rock.

The utility model is further provided that the upper end of the valve rod is sequentially provided with a third shaft part and a second screw rod part, the stroke disc is provided with a third square hole matched with the third shaft part, and the second screw rod part is in threaded connection with a hexagonal flange nut used for tightly abutting the stroke disc against the outer end of the valve neck of the valve body.

Through adopting above-mentioned technical scheme, can realize the location installation of stroke dish, and simple structure, the dismouting is very convenient.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is an elongated schematic view of the handle of the present invention;

FIG. 3 is a partial exploded view of the present invention in its entirety;

FIG. 4 is a schematic view of the structure of the linkage shaft and the damping block;

FIG. 5 is a schematic structural diagram of a damping block of the present invention;

fig. 6 is a schematic structural diagram of the stroke disk of the present invention.

In the figure: 1. a valve body; 2. a valve core; 3. a valve stem; 4. a handle; 5. a stroke disc; 6. an arc-shaped limiting part; 7. an arc-shaped limiting groove; 8. a support arm; 9. a circular hole; 10. a positioning recess; 11. a linkage shaft; 12. a damping block; 13. a positioning projection; 14. a first shaft portion; 15. a second square shaft portion; 16. a first screw section; 17. a first square hole; 18. a second square hole; 19. locking the nut; 20. a slide chamber; 21. a slide plate; 22. a limiting screw; 23. a strip guide hole; 24. pulling a plate; 25. a storage section; 26. a receiving groove; 27. a thumb groove; 28. a trough body; 29. a friction pad; 30. a third shaft portion; 31. a second screw section; 32. a third square hole; 33. hexagonal flange face nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b): the anti-misoperation ball valve shown in the attached figures 1-6 comprises a valve body 1, a valve core 2 and a valve rod 3, wherein the valve core 2 is arranged inside the valve body 1, the valve rod 3 penetrates through the valve neck part of the valve body 1, the inner end of the valve rod 3 is in linkage connection with the valve core 2, and the outer end of the valve rod 3 is connected with a handle 4; the valve rod 3 is connected with a stroke disc 5 in a linkage manner, the bottom of the stroke disc 5 is provided with an arc-shaped limiting part 6, the part of the valve body 1, which is positioned at the outer end of the valve neck, is provided with an arc-shaped limiting groove 7 matched with the arc-shaped limiting part 6, the arc length of the arc-shaped limiting groove 7 is greater than that of the arc-shaped limiting part 6, when the handle 4 drives the stroke disc 5 to rotate, so that the arc-shaped limiting part 6 abuts against the limit position at one end of the arc-shaped limiting groove 7, the valve is fully opened, and when the arc-shaped limiting part 6 abuts against the limit position at the other end of the arc-shaped limiting groove 7, the valve is closed; the stroke disc 5 lateral part is equipped with a pair of support arm 8, round hole 9 has been seted up on the support arm 8, the edge of round hole 9 is equipped with evenly to be provided with a plurality of location concave part 10, the one end of handle 4 is equipped with universal driving shaft 11, two round holes 9 are run through respectively at the both ends of universal driving shaft 11 to the both ends of universal driving shaft 11 are equipped with a damping piece 12 respectively, damping piece 12 rotates and sets up in the round hole 9 that corresponds, the periphery of damping piece 12 evenly be provided with a plurality ofly with location convex part 13 of location concave part 10 looks adaptation. When the valve is closed, the handle 4 can be folded and stored by rotating the handle 4 downwards, meanwhile, the linkage shaft 11 for connecting the handle 4 and the supporting arm 8 is acted by the damping block 12, namely, the positioning convex part 13 on the damping block 12 is matched with the positioning concave part 10 in the round hole 9 of the supporting arm 8, so that the positioning of the handle 4 is realized, the handle 4 is prevented from shaking, and the stability of the storage state of the handle 4 is ensured. Handle 4 accomodates the back, can avoid the valve to touch valve handle 4 and lead to the valve to open because of operating personnel maloperation when closing, prevents the emergence of production accident.

As shown in fig. 3-5, the linkage shaft 11 includes a first square shaft portion 14, two ends of the first square shaft portion 14 are respectively provided with a second square shaft portion 15, the area of the second square shaft portion 15 is smaller than that of the first square shaft portion 14, the outer end of each second square shaft portion 15 is respectively provided with a first screw portion 16, the handle 4 is provided with a first square hole 17 matched with the first square shaft portion 14, the damping block 12 is provided with a second square hole 18 matched with the second square shaft portion 15, and the first screw portion 16 is in threaded connection with a locking nut 19 for tightly abutting the damping block 12 against the outer end of the corresponding first square shaft portion 14. The linkage of universal driving shaft 11, handle 4 and damping piece 12 can be realized to this design, makes three simultaneous movement to mounting structure is simple, and the dismouting is very convenient, the maintenance operation of being convenient for earlier stage equipment and later stage.

The damping block 12 is made of a plastic material, and can deform when being stressed to rotate, so that the handle 4 cannot rotate under the condition that the positioning convex part 13 is matched with the positioning concave part 10.

As shown in fig. 2 and fig. 3, a sliding cavity 20 is formed in one end, away from the universal driving shaft 11, of the handle 4 along the length direction, a sliding plate 21 penetrates through the sliding cavity 20, a limit screw 22 is connected to the sliding plate 21 in a threaded manner, and a long guide hole 23, which is communicated with the sliding cavity 20 and through which the limit screw 22 passes, is formed in the upper surface of the handle 4. The push-and-pull slide plate 21 can realize the change of the whole length of the handle 4, thereby realizing the change of the operating force arm, and when the whole length of the handle 4 becomes long, the operating torque can be reduced, so that the opening and closing operation of the valve is easier.

As shown in fig. 3, the outer end of the sliding plate 21 is provided with a pulling plate 24, the pulling plate 24 and the sliding plate 21 are of an integrated structure, and an operator can pull out the sliding plate 21 by applying force to the pulling plate 24, so that the sliding plate 21 can be pulled and pushed more conveniently.

As shown in fig. 3, a receiving portion 25 is provided at a side portion of the valve neck of the valve body 1, a receiving groove 26 into which the handle 4 is inserted is formed in the receiving portion 25, and the handle 4 can be received and hidden by the receiving groove 26 to protect the handle 4.

As shown in fig. 3, the bottom of the receiving groove 26 is provided with a plurality of thumb grooves 27 into which fingers are inserted. The design is convenient for an operator to extend a thumb into the pull-out handle 4, and the operation of opening the valve is facilitated.

As shown in fig. 3, a groove 28 is formed on an inner side wall of the accommodating groove 26, a friction pad 29 acting on the handle 4 is embedded in the groove 28, and the friction pad 29 is made of rubber. The friction pad 29 abuts against the handle 4, so that the stability of the handle 4 during storage can be improved, and the handle 4 is prevented from shaking during operation of the valve.

As shown in fig. 2 and fig. 3, the upper end of the valve rod 3 is sequentially provided with a third shaft portion 30 and a second screw portion 31, the stroke disk 5 is provided with a third hole 32 matched with the third shaft portion 30, and the second screw portion 31 is in threaded connection with a hexagonal flange nut 33 for tightly abutting the stroke disk 5 against the outer end of the valve neck of the valve body 1. The design can realize the positioning and installation of the stroke disc 5, and the structure is simple, and the assembly and disassembly are very convenient.

Claims

1. An anti-misoperation ball valve comprises a valve body (1), a valve core (2) and a valve rod (3), wherein the valve core (2) is arranged inside the valve body (1), the valve rod (3) penetrates through the valve neck part of the valve body (1), the inner end of the valve rod (3) is in linkage connection with the valve core (2), and the outer end of the valve rod (3) is connected with a handle (4); the method is characterized in that: the valve rod (3) is connected with a stroke disc (5) in a linkage manner, the bottom of the stroke disc (5) is provided with an arc-shaped limiting part (6), the part of the valve body (1) positioned at the outer end of the valve neck is provided with an arc-shaped limiting groove (7) matched with the arc-shaped limiting part (6), and the arc length of the arc-shaped limiting groove (7) is greater than that of the arc-shaped limiting part (6); the stroke dish (5) lateral part is equipped with a pair of support arm (8), round hole (9) have been seted up on support arm (8), the edge of round hole (9) is equipped with evenly to be provided with a plurality of location concave part (10), the one end of handle (4) is equipped with universal driving shaft (11), two round hole (9) are run through respectively at the both ends of universal driving shaft (11) to the both ends of universal driving shaft (11) are equipped with one damping piece (12) respectively, damping piece (12) rotate to set up in round hole (9) that correspond, the periphery of damping piece (12) evenly be provided with a plurality of with location convex part (13) of location concave part (10) looks adaptation.

2. An anti-misoperation ball valve according to claim 1, wherein: the universal driving shaft (11) comprises a first square shaft part (14), wherein two ends of the first square shaft part (14) are respectively provided with a second square shaft part (15), the area of the second square shaft part (15) is smaller than that of the first square shaft part (14), the outer end of each second square shaft part (15) is respectively provided with a first screw rod part (16), a first square hole (17) which is matched with the first square shaft part (14) is formed in the handle (4), a second square hole (18) which is matched with the second square shaft part (15) is formed in the damping block (12), and the first screw rod part (16) is connected with a locking nut (19) which is used for tightly abutting the damping block (12) against the outer end of the corresponding first square shaft part (14).

3. An anti-misoperation ball valve according to claim 1, wherein: the damping block (12) is made of plastic materials.

4. An anti-misoperation ball valve according to claim 1, wherein: handle (4) keep away from the one end of universal driving shaft (11) and have seted up smooth chamber (20) along length direction, it is provided with slide (21) to run through on smooth chamber (20), threaded connection has stop screw (22) on slide (21), rectangular guide hole (23) that are linked together and supply stop screw (22) to pass with smooth chamber (20) are seted up to handle (4) upper surface.

5. An anti-misoperation ball valve according to claim 4, wherein: the outer end of the sliding plate (21) is provided with a pulling plate (24).

6. An anti-misoperation ball valve according to claim 1, wherein: the side part of the valve neck of the valve body (1) is provided with a containing part (25), and the containing part (25) is provided with a containing groove (26) for embedding the handle (4).

7. An anti-misoperation ball valve according to claim 6, wherein: the bottom of the accommodating groove (26) is provided with a plurality of thumb grooves (27) for fingers to extend into.

8. An anti-misoperation ball valve according to claim 6, wherein: a groove body (28) is formed in the inner side wall of the accommodating groove (26), and a friction pad (29) acting on the handle (4) is embedded in the groove body (28).

9. An anti-misoperation ball valve according to claim 6, wherein: the upper end of valve rod (3) is equipped with third party axial region (30) and second screw rod portion (31) in proper order, set up third party shape hole (32) that agree with mutually with third party axial region (30) on stroke dish (5), threaded connection is used for supporting tight hexagonal flange face nut (33) at the valve neck outer end of valve body (1) with stroke dish (5) on second screw rod portion (31).