CN211820983U

CN211820983U - Gate valve locking device

Info

Publication number: CN211820983U
Application number: CN202020367925.0U
Authority: CN
Inventors: 孔德宁; 齐程; 张志娇; 邵元; 韦淦予
Original assignee: Guangxi Pingban Hydropower Development Co ltd
Current assignee: Guangxi Pingban Hydropower Development Co ltd
Priority date: 2020-03-20
Filing date: 2020-03-20
Publication date: 2020-10-30
Anticipated expiration: 2030-03-20

Abstract

The utility model relates to an electric safety overhauls isolation technical field, what specifically say is a gate valve blocking device, include lock body seat (1), screw up screw (2), clamp plate (3), lock (4) and fix the mount pad spare on pipeline (5), lock body seat (1) middle part is equipped with draw-in groove (7) that are used for the card to press hand wheel (6) of gate valve, clamp plate (3) with screw up the screw rod tip joint of screw up screw (2), clamp plate (3) are located in draw-in groove (7), screw up screw (2) back, clamp plate (3) with sawtooth structure (8) will hand wheel (6) press from both sides tightly fixedly, lock (4) articulate on first lockhole (10) and second lockhole (13). This gate valve blocking device can adapt to the gate valve of the hand wheel of different diameter sizes and different thickness sizes, improves the universality of this application.

Description

Gate valve locking device

Technical Field

The utility model relates to an electric safety overhauls and keeps apart technical field, what specifically say is a gate valve blocking device.

Background

Gate valves are used to control the opening and closing of flow passages for liquids, gases, etc. in pipelines. When dangerous source pipelines are overhauled in industry, the flow of liquid or gas in the pipelines needs to be strictly controlled, so that the locking of the gate valve in the overhauling process is very important, and the hand wheel is rotated to directly drive the gate valve to be opened and closed.

A common hand wheel locking device in the market is provided with a disc brake valve lock for industrial safety and is fixed by a padlock, but the brake valve lock needs to lock hand wheels of various models by selecting corresponding specification models, so that the hand wheel locking device is poor in universality and inconvenient to carry and use.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of above-mentioned technical problem at least.

The utility model aims to solve the technical problem that, at least, a gate valve blocking device is provided, and this gate valve blocking device can adapt to the gate valve of the hand wheel of different diameter sizes and different thickness sizes, improves the universality of this application.

In order to solve the technical problem, the utility model discloses a gate valve locking device, including lock body seat, tightening screw, clamp plate, lock and the mount pad spare of fixing on the pipeline, lock body seat height-adjustable connects on the mount pad spare, the lock body seat middle part is equipped with the draw-in groove that is used for the hand wheel of card pressure gate valve, the fixed sawtooth structure that has of surface of draw-in groove, lock body seat upper end fixedly connected with first ring flange, the edge of first ring flange has a plurality of first lockholes, the lock body seat is equipped with first screw hole, first screw hole runs through to the draw-in groove from first ring flange surface, the tightening screw is fixed with the second ring flange, the edge of second ring flange has a plurality of second lockholes, tightening screw and first screw hole threaded connection, clamp plate and the screw rod tip joint of tightening screw, the clamp plate is located the draw-in groove, after tightening the tightening screw, clamp plate and sawtooth structure clamp the hand wheel fixedly, the lock is hung on the first lock hole and the second lock hole.

After adopting above-mentioned structure, have at least following advantage: when needs carry out the shutting operation to the gate valve, fix the mount pad spare on the pipeline, later according to the hand wheel altitude mixture control of gate valve good lock body seat height, later with the hand wheel card in the draw-in groove of lock body seat, screw up the tightening screw, the clamp plate moves towards the sawtooth structure along with screwing up the screw, make clamp plate and sawtooth structure press from both sides the hand wheel clamp with the hand wheel and fix, properly adjust the tightening screw, make first lockhole and second lockhole align, later with the lock articulate on first lockhole and second lockhole, accomplish the shutting operation to the gate valve, avoid other people's maloperation to rotate the hand wheel of gate valve, guarantee the safety and stability work of gate valve. In addition, the lock body seat height-adjustable of this application to can adapt to the condition of the height of different hand wheels, improve the adaptability of this application. Moreover, the structure of this application with the hand wheel baoding is the draw-in groove with the hand wheel card at the lock body seat, later adopts the clamp plate to press from both sides the hand wheel tight to the gate valve of the hand wheel of different diameter size and different thickness sizes can be adapted to this application, improves the universality of this application. Still, the quantity of first lockhole and second lockhole is a plurality of, can hang many locks like this to realize multilayer locking, just can rotate the hand wheel after needing the unblock jointly, realize supervising each other, further avoid the maloperation.

On the basis of the technical scheme, the method preferably has the following technical characteristics:

the cross-section of clamp plate is "kou" style of calligraphy, and the clamp plate upper end is equipped with the joint groove, is equipped with the annular on the screw rod of tightening screw, and the annular is with joint groove joint.

The height-adjustable connection of the lock body seat on the installation seat piece means that: fixedly connected with screw thread post on the mount pad spare, the lock body seat is kept away from the one end fixedly connected with screw thread sleeve of screwing up the screw, screw thread sleeve and screw thread post threaded connection.

The mounting seat piece comprises a mounting plate, a first threaded rod, a second threaded rod, a first nut and a second nut, wherein the threaded column is fixed on the mounting plate, a first long groove and a second long groove are formed in the mounting plate and on two sides of the threaded column respectively, the first threaded rod penetrates through the first long groove and then is in threaded locking connection with the first nut, the second threaded rod penetrates through the second long groove and then is in threaded locking connection with the second nut, and the first threaded rod and the second threaded rod form a clamp for clamping a pipeline so that the mounting plate can be fixed on the pipeline.

Drawings

Fig. 1 is a schematic view of a handwheel on a pipe.

Fig. 2 is a schematic structural view of a gate valve latching device according to the present application.

Fig. 3 is an exploded view of a gate valve lockout device of the present application.

Fig. 4 is a schematic perspective cross-sectional view of a gate valve lockout device of the present application.

Wherein: 1. a lock body seat; 2. screwing down the screw; 3. pressing a plate; 4. locking; 5. a pipeline; 6. a hand wheel; 7. a card slot; 8. a sawtooth structure; 9. a first flange plate; 10. a first lock hole; 11. a first threaded hole; 12. a second flange plate; 13. a second lock hole; 14. a clamping groove; 15. a ring groove; 16. a threaded post; 17. a threaded sleeve; 18. mounting a plate; 19. a first threaded rod; 20. a second threaded rod; 21. a first nut; 22. a second nut; 23. a first elongated slot; 24. a second elongated slot; 25. a clip is provided.

Detailed Description

The inventive concepts of the present disclosure will be described hereinafter using terms commonly employed by those skilled in the art to convey the substance of their work to others skilled in the art. These utility concepts may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. These embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of their inclusion to those skilled in the art. It should also be noted that these embodiments are not mutually exclusive. A component, step, or element from one embodiment may be assumed to be present or used in another embodiment. The particular embodiments shown and described may be substituted for a wide variety of alternate and/or equivalent implementations without departing from the scope of the embodiments of the present disclosure. This application is intended to cover any adaptations or variations of the embodiments discussed herein. It will be apparent to those skilled in the art that alternative embodiments may be practiced using only some of the described aspects. Specific numbers, materials, and configurations are set forth in the examples for the purpose of illustration, however, alternative examples may be practiced by those skilled in the art without these specific details. In other instances, well-known features may be omitted or simplified in order not to obscure the illustrative embodiments.

Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "provided", "mounted", "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The term "fixed" may be a threaded connection or a welded connection or a bolted connection, and those skilled in the art can understand the specific meaning of the above terms in the present invention in specific situations.

Referring to fig. 1 to 4, in one embodiment, a gate valve locking device includes a lock body base 1, a tightening screw 2, a pressure plate 3, a lock 4 and a mounting base member fixed on a pipeline 5, wherein the lock body base 1 is connected to the mounting base member with an adjustable height, a clamping groove 7 for clamping and pressing a hand wheel 6 of a gate valve is arranged in the middle of the lock body base 1, a saw-tooth structure 8 is fixed on the surface of the clamping groove 7, a first flange 9 is fixedly connected to the upper end of the lock body base 1, a plurality of first locking holes 10 are formed in the edge of the first flange 9, a first threaded hole 11 is formed in the lock body base 1, the first threaded hole 11 penetrates through the clamping groove 7 from the surface of the first flange 9, a second flange 12 is fixed to the tightening screw 2, a plurality of second locking holes 13 are formed in the edge of the second flange 12, and the tightening screw 2 is in threaded connection with the first threaded hole 11, the clamp plate 3 with screw rod tip joint of tightening screw 2, the clamp plate 3 is located in draw-in groove 7, tighten behind the tightening screw 2, the clamp plate 3 with sawtooth structure 8 will hand wheel 6 presss from both sides tightly fixedly, lock 4 articulates on first lockhole 10 and second lockhole 13. The number of the first locking holes 10 and the second locking holes 13 may be 8, 12, 16, and so on.

The cross-section of clamp plate 3 is "kou" style of calligraphy, clamp plate 3 upper end is equipped with joint groove 14, be equipped with annular 15 on tightening screw 2's the screw rod, annular 15 with joint groove 14 joint. The annular 15 with joint groove 14 joint can be so that clamp plate 3 joint be in the screw rod tip of stating screw 2, and axial motion can be done to clamp plate 3 and then the screw rod of screwing up screw 2, and when screwing up screw 2 and rotating, the rotation can not be followed to clamp plate 3, and easy to assemble clamp plate 3 like this conveniently installs clamp plate 3 in limited draw-in groove 7 space. Of course, the surface of the pressing plate 3 contacting the hand wheel 6 may be an arc surface or the surface of the pressing plate 3 contacting the hand wheel 6 may have anti-slip corrugations, so as to further compress the hand wheel 6.

The height-adjustable connection of the lock body seat 1 on the mounting seat piece is as follows: the mounting seat piece is fixedly connected with a threaded column 16, one end, far away from the tightening screw 2, of the lock body seat 1 is fixedly connected with a threaded sleeve 17, and the threaded sleeve 17 is in threaded connection with the threaded column 16. Therefore, the height of the lock body seat 1 can be adjusted by rotating the threaded sleeve 17, and the use is convenient. And the threaded sleeve 17 is in threaded connection with the threaded column 16, so that the structure is simple and easy to machine.

The mounting seat piece comprises a mounting plate 18, a first threaded rod 19, a second threaded rod 20, a first nut 21 and a second nut 22, the threaded column 16 is fixed on the mounting plate 18, a first long groove 23 and a second long groove 24 are respectively arranged on the mounting plate 18 and on two sides of the threaded column 16, the first threaded rod 19 penetrates through the first long groove 23 and then is in threaded locking connection with the first nut 21, the second threaded rod 20 penetrates through the second long groove 24 and then is in threaded locking connection with the second nut 22, and the first threaded rod 19 and the second threaded rod 20 form a clamp 25 for clamping the pipeline 5 to enable the mounting plate 18 to be fixed on the pipeline 5. The first threaded rod 19 is fixed on the mounting plate 18 through the first nut 21, the position of the first threaded rod 19 in the first long groove 23 is adjustable, similarly, the second threaded rod 20 is fixed on the mounting plate 18 through the second nut 22, and the position of the second threaded rod 20 in the second long groove 24 is also adjustable, so that the gate valve locking device can adapt to pipelines 5 with different sizes, and the distance between the first threaded rod 19 and the second threaded rod 20, namely the size of the clamp 25, is adjusted according to the adjustment of the pipelines 5 with different sizes, so that the adaptability of the gate valve locking device is further improved. Of course, the ends of the first threaded rod 19 and the second threaded rod 20 can also be bound by a rope, so that the structure is more firm.

The working principle and the process are as follows: when the gate valve needs to be locked, the mounting seat piece is fixed on the pipeline 5, specifically, the first threaded rod 19 is fixed on the mounting plate 18 through the first nut 21, then the second threaded rod 20 is fixed on the mounting plate 18 through the second nut 22 according to the size of the pipeline 5, and the first threaded rod 19 and the second threaded rod 20 form a clamp 25 to clamp the pipeline 5; then, the height of the lock body seat 1 is adjusted according to the height of a hand wheel 6 of the gate valve, and specifically, the height of the lock body seat 1 is adjusted by rotating a threaded sleeve 17; then, the hand wheel 6 is clamped in the clamping groove 7 of the lock body seat 1, the screw 2 is screwed up, the pressing plate 3 moves towards the sawtooth structure 8 along with the screw 2, so that the pressing plate 3 and the sawtooth structure 8 clamp and fix the hand wheel 6, the screw 2 is appropriately adjusted and screwed up, the first lock hole 10 is aligned with the second lock hole 13, then the lock 4 is hung on the first lock hole 10 and the second lock hole 13, the locking operation of the gate valve is completed, the hand wheel 6 of the gate valve is prevented from being rotated by misoperation of other people, and the safe and stable work of the gate valve is guaranteed.

The above description is only a preferred and feasible embodiment of the present invention, and therefore, the scope of the present invention should not be limited by the above description, and various other modifications made by the technical solutions and concepts of the present invention should be included in the protection scope of the present invention.

Claims

1. A gate valve locking device is characterized by comprising a lock body seat (1), a tightening screw (2), a pressing plate (3), a lock (4) and a mounting seat piece fixed on a pipeline (5), wherein the lock body seat (1) is connected on the mounting seat piece in a height-adjustable manner, a clamping groove (7) used for clamping and pressing a hand wheel (6) of a gate valve is arranged in the middle of the lock body seat (1), a sawtooth structure (8) is fixed on the surface of the clamping groove (7), a first flange plate (9) is fixedly connected to the upper end of the lock body seat (1), a plurality of first locking holes (10) are formed in the edge of the first flange plate (9), a first threaded hole (11) is formed in the lock body seat (1), the first threaded hole (11) penetrates through the surface of the first flange plate (9) to the clamping groove (7), a second flange plate (12) is fixed on the tightening screw (2), the edge of second ring flange (12) has a plurality of second lockholes (13), screw up screw (2) with first screw hole (11) threaded connection, clamp plate (3) with screw rod tip joint of screw up screw (2), clamp plate (3) are located in draw-in groove (7), screw up screw (2) back, clamp plate (3) with sawtooth structure (8) will hand wheel (6) press from both sides tightly fixedly, lock (4) articulate on first lockhole (10) and second lockhole (13).

2. A gate valve locking device according to claim 1, characterized in that the cross section of the pressing plate (3) is "square", the upper end of the pressing plate (3) is provided with a clamping groove (14), the screw rod of the tightening screw (2) is provided with a ring groove (15), and the ring groove (15) is clamped with the clamping groove (14).

3. A gate valve closure assembly as claimed in claim 1 wherein the height adjustable attachment of said body seat (1) to said mounting seat means is: fixedly connected with screw thread post (16) on the mount pad spare, lock body seat (1) is kept away from one end fixedly connected with screw sleeve (17) of screwing up screw (2), screw sleeve (17) with screw thread post (16) threaded connection.

4. A gate valve blocking device according to claim 3, characterized in that said mounting base member comprises a mounting plate (18), a first threaded rod (19), a second threaded rod (20), a first nut (21) and a second nut (22), the threaded column (16) is fixed on the mounting plate (18), a first long groove (23) and a second long groove (24) are respectively arranged on the mounting plate (18) and on two sides of the threaded column (16), the first threaded rod (19) passes through the first long groove (23) and then is in threaded locking connection with the first nut (21), the second threaded rod (20) passes through the second long groove (24) and then is in threaded locking connection with the second nut (22), the first threaded rod (19) and the second threaded rod (20) form a clip (25) for clamping the pipe (5) in order to fix the mounting plate (18) on the pipe (5).