CN211117652U

CN211117652U - Butterfly valve with safety anti-theft lock

Info

Publication number: CN211117652U
Application number: CN201922251207.7U
Authority: CN
Inventors: 窦佳乐
Original assignee: Tianjin Binhai Qiangsheng Valve Co ltd
Current assignee: Tianjin Binhai Qiangsheng Valve Co ltd
Priority date: 2019-12-16
Filing date: 2019-12-16
Publication date: 2020-07-28
Anticipated expiration: 2029-12-16

Abstract

The utility model discloses a butterfly valve with a safety anti-theft lock, which comprises a valve body and a closing device, wherein the closing device is arranged inside the valve body, the left end and the right end of the valve body are both connected with a pipeline interface, the valve body is internally provided with the safety anti-theft lock, the left end of the valve body is formed with a through hole, the safety anti-theft lock is arranged in the through hole, the safety anti-theft lock comprises a lock core, a connecting card column, a fixing card column and a closing plate, the lock core is arranged in the through hole, the lock core and the through hole are in clearance fit with each other, the connecting card column is arranged at the lower end of the lock core, the upper end of the connecting card column is fixedly connected with the lock core, a screw hole is formed in the middle of the lower end of the connecting card column, the closing plate is arranged inside the pipeline interface, the closing plate is matched with the section of the pipeline interface, the fixing card column is arranged above the, the upper end of the fixed clamping column is in threaded fit with the lower end of the connecting clamping column.

Description

Butterfly valve with safety anti-theft lock

Technical Field

The utility model belongs to the technical field of the butterfly valve and specifically relates to a butterfly valve with safe pickproof lock is related to.

Background

The butterfly valve is also called as flap valve, and is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline medium. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling.

In life, butterfly valves have become the primary control devices in water, heating, and gas supply pipelines for houses. In order to fairly and reasonably control the allocation and the delivery of resources such as water, gas, heat and the like, when a user has arrearages in the use process or a pipeline has a fault and needs to be repaired, a professional is required to close the valve, and the user is not allowed to open the valve by himself. Therefore, certain safety and anti-theft functions need to be added to the butterfly valve.

SUMMERY OF THE UTILITY MODEL

The utility model provides a solution to the above problems, and provides a technical scheme which can solve the above problems.

A butterfly valve with a safety anti-theft lock comprises a valve body and a closing device, wherein the closing device is arranged inside the valve body, the left end and the right end of the valve body are both connected with a pipeline interface, the valve body is internally provided with the safety anti-theft lock, the left end of the valve body is formed with a through hole, the safety anti-theft lock is arranged in the through hole, the safety anti-theft lock is in clearance fit with the through hole, the lower end of the safety anti-theft lock is arranged in the pipeline interface, the safety anti-theft lock comprises a lock cylinder, a connecting clamp column, a fixing clamp column and a closing plate, the lock cylinder is arranged in the through hole, the lock cylinder is in clearance fit with the through hole, the connecting clamp column is arranged at the lower end of the lock cylinder, the upper end of the connecting clamp column is fixedly connected with the lock cylinder, the middle of the lower end of the connecting clamp column is formed with a hole, the closing plate is arranged inside the pipeline interface, the closing plate is disc-shaped, the upper end of the fixed clamping column is formed with threads, and the upper end of the fixed clamping column is in threaded fit with the lower end of the connecting clamping column.

As a further aspect of the present invention: the lower extreme shaping of screw hole has a stopper, and the centre shaping of fixing clip post has a spacing groove, and the stopper of connecting clip post and the spacing groove of fixing clip post are spacing cooperation each other.

As a further aspect of the present invention: the lock core, the connecting clamp column, the fixing clamp column and the closing plate are coaxially assembled.

As a further aspect of the present invention: the closing device comprises a valve handle, a valve rod and a valve plate, wherein the valve plate is a circular valve plate, the valve plate is arranged in a cavity of the valve body, the valve plate is matched with the cavity of the valve body, the valve rod is arranged above the valve plate, the lower end of the valve rod is fixedly connected with the upper end of the valve plate, the upper end of the valve rod penetrates through the valve body and is arranged above the valve body, the valve handle is arranged at the upper end of the valve rod, and the valve handle is fixedly connected with the upper end of.

As a further aspect of the present invention: the joint of the fixed clamping column and the closed plate is fixedly provided with a sealing ring, and the sealing ring is matched with the upper end of the pipeline connector.

As a further aspect of the present invention: sealing layers are fixedly arranged on the surfaces of the closing plate and the valve plate, and are matched with the inner wall of the pipeline interface, the sealing layer and the inner wall of the valve body cavity.

Compared with the prior art, the beneficial effects of the utility model are that: the safety anti-theft lock is arranged on the valve body, so that a user cannot open the butterfly valve privately; the lock core can rotate in the through hole through clearance fit between the lock core and the through hole, the connecting card column and the fixed card column can be connected with each other through thread fit between the connecting card column and the fixed card column, and when the connecting card column and the fixed card column are mutually clamped, the closing plate can be rotated, so that the safety anti-theft lock is switched on and off; through the spacing cooperation between stopper and the spacing groove, make lock core and connector card post can not break away from the fixed card post to make safe pickproof lock be difficult to be stolen, improved the security.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the security anti-theft lock.

Shown in the figure: 1. a valve body; 11. a through hole; 2. a closure device; 21. a valve plate; 22. a valve stem; 23. a valve handle; 3. a pipe interface; 4. a safety anti-theft lock; 41. a lock cylinder; 42. connecting the clamping columns; 43. fixing the clamping column; 44. a closing plate; 45. a seal ring; 46. a limiting block; 47. defining a slot; 48. a screw hole; 5. and (7) sealing the layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a butterfly valve with a safety anti-theft lock includes a valve body 1 and a closing device 2, the closing device 2 is disposed inside the valve body 1, the left and right ends of the valve body 1 are both connected with a pipe joint 3, a safety anti-theft lock 4 is disposed in the valve body 1, a through hole 11 is formed at the left end of the valve body 1, the safety anti-theft lock 4 is disposed in the through hole 11, the safety anti-theft lock 4 is in clearance fit with the through hole 11, the lower end of the safety anti-theft lock 4 is disposed in the pipe joint 3, the safety anti-theft lock 4 includes a lock cylinder 41, a connecting clamp cylinder 42, a fixing clamp cylinder 43, and a closing plate 44, the lock cylinder 41 is disposed in the through hole 11, the lock cylinder 41 is in clearance fit with the through hole 11, the connecting clamp cylinder 42 is disposed at the lower end of the lock cylinder 41, the upper end of the connecting clamp cylinder 42 is fixedly connected with the lock cylinder, the closing plate 44 is disc-shaped, the closing plate 44 is mutually matched with the section of the pipeline interface 3, the fixed clamping column 43 is arranged above the closing plate 44, the lower end of the fixed clamping column 43 penetrates through the upper end of the pipeline interface 3 and is mutually fixedly connected with the upper end of the closing plate 44, the upper end of the fixed clamping column 43 is formed with threads, and the upper end of the fixed clamping column 43 is mutually matched with the lower end of the connecting clamp 42 through the threads.

As a further aspect of the present invention: the lower end of the screw hole 48 is formed with a limiting block 47, the middle of the fixing clip column 43 is formed with a limiting groove 46, and the limiting block 47 of the connecting clip column 42 is in limiting fit with the limiting groove 46 of the fixing clip column 43.

As a further aspect of the present invention: the lock core 41, the connecting clamping column 42, the fixing clamping column 43 and the closing plate 44 are coaxially assembled.

As a further aspect of the present invention: the closing device 2 comprises a valve handle 23, a valve rod 22 and a valve plate 21, the valve plate 21 is a circular valve plate, the valve plate 21 is arranged in a cavity of the valve body 1, the valve plate 21 is matched with the cavity of the valve body 1, the valve rod 22 is arranged above the valve plate 21, the lower end of the valve rod 22 is fixedly connected with the upper end of the valve plate 21, the upper end of the valve rod 22 penetrates through the valve body 1 and is arranged above the valve body 1, the valve handle 23 is arranged at the upper end of the valve rod 22, and the valve handle 23 is fixedly connected with the upper end of the valve.

As a further aspect of the present invention: the joint of the fixed clamping column 43 and the closing plate 44 is fixedly provided with a sealing ring 45, and the sealing ring 45 is matched with the upper end of the pipeline connector 3.

As a further aspect of the present invention: the surface of the closing plate 44 and the surface of the valve plate 21 are both fixedly provided with a sealing layer 5, and the sealing layer 5 is matched with the inner wall of the pipeline interface 3, the sealing layer 5 and the inner wall of the cavity of the valve body 1.

The utility model discloses a theory of operation is: when the butterfly valve needs to be closed, a key is inserted into the lock cylinder 41, the key is rotated clockwise, the lock cylinder 41 drives the connecting clamp column 42 to move downwards, the connecting clamp column 42 and the fixing clamp column 43 are matched through threads, the connecting clamp column 42 moves downwards, after the connecting clamp column 42 and the fixing clamp column 43 are clamped with each other, the key is rotated ninety degrees clockwise, the closing plate 44 closes the pipeline interface 3, and finally the key is pulled out, so that the butterfly valve is closed; when the butterfly valve needs to be opened, the key is inserted into the lock cylinder 41 and is rotated by ninety degrees clockwise, so that the closing plate 44 opens the pipeline connector 3, and the operation is simple and convenient; through the spacing cooperation between stopper 47 and spacing groove 46, make lock core 41 and connect the card post 42 and can not break away from fixed card post 43 to make safe pickproof lock be difficult to steal, improved the security.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a butterfly valve with safe pickproof lock, includes valve body and closing device, and closing device establishes in the inside of valve body, and both ends all are connected with pipeline interface, its characterized in that about the valve body: a safety anti-theft lock is arranged in the valve body, a through hole is formed at the left end of the valve body, the safety anti-theft lock is arranged in the through hole, the safety anti-theft lock is in clearance fit with the through hole, the lower end of the safety anti-theft lock is arranged in the pipeline interface, the safety anti-theft lock comprises a lock core and a connecting clamping column, the fixing clamp column, the closing plate, the lock core is established in the through-hole, the mutual clearance fit of lock core and through-hole, the lower extreme at the lock core is established to the connection card post, the upper end and the mutual fixed connection of lock core of connection card post, the middle shaping of connection card post lower extreme has the screw hole, the inside at the pipeline interface is established to the closing plate, the closing plate is the disc, the cross-section of closing plate and pipeline interface is mutually supported, the fixing clamp column is established in the top of closing plate, the upper end that the lower extreme of fixing clamp column passed the pipeline interface is with the mutual fixed connection in upper end of closing plate, the upper end shaping of fixing clamp column has the screw thread, the upper end of fixing clamp column and the mutual screw-.

2. The butterfly valve with a safety anti-theft lock of claim 1, wherein: the lower extreme shaping of screw hole has a stopper, and the centre shaping of fixing clip post has a spacing groove, and the stopper of connecting clip post and the spacing groove of fixing clip post are spacing cooperation each other.

3. The butterfly valve with a safety anti-theft lock of claim 1, wherein: the lock core, the connecting clamp column, the fixing clamp column and the closing plate are coaxially assembled.

4. The butterfly valve with a safety anti-theft lock of claim 1, wherein: the closing device comprises a valve handle, a valve rod and a valve plate, wherein the valve plate is a circular valve plate, the valve plate is arranged in a cavity of the valve body, the valve plate is matched with the cavity of the valve body, the valve rod is arranged above the valve plate, the lower end of the valve rod is fixedly connected with the upper end of the valve plate, the upper end of the valve rod penetrates through the valve body and is arranged above the valve body, the valve handle is arranged at the upper end of the valve rod, and the valve handle is fixedly connected with the upper end of.

5. The butterfly valve with a safety anti-theft lock of claim 1, wherein: the joint of the fixed clamping column and the closed plate is fixedly provided with a sealing ring, and the sealing ring is matched with the upper end of the pipeline connector.

6. The butterfly valve with a safety anti-theft lock of claim 1, wherein: sealing layers are fixedly arranged on the surfaces of the closing plate and the valve plate, and are matched with the inner wall of the pipeline interface, the sealing layer and the inner wall of the valve body cavity.