CN210240821U

CN210240821U - Connecting device for flow regulating valve

Info

Publication number: CN210240821U
Application number: CN201921121912.9U
Authority: CN
Inventors: Dechong Zheng; 郑德宠
Original assignee: Binhai Jiutong Valve Co Ltd
Current assignee: Binhai Jiutong Valve Co Ltd
Priority date: 2019-07-17
Filing date: 2019-07-17
Publication date: 2020-04-03
Anticipated expiration: 2029-07-17

Abstract

The utility model discloses a connecting device for a flow regulating valve, which relates to the technical field of regulating valve connection and comprises a flow pipe and a flow regulating valve, wherein a connecting mechanism is arranged at the position of the outer surface of the flow pipe close to one end, and a self-checking mechanism is arranged at the outer surface of one side of the connecting mechanism, the connecting mechanism comprises a first connecting disc, a first connecting plate arranged at the outer surface of the first connecting disc close to one side position, a first positioning hole arranged at one side of the first connecting plate, a second connecting disc arranged at the outer surface of one side of the first connecting disc, a second connecting plate arranged at the outer surface of the second connecting disc close to one side position, a second positioning hole arranged at one side of the second connecting plate, a second threaded sleeve arranged at the outer surface of the other side of the second connecting disc, and a through hole disc arranged at the outer surface of the lower end of the second, the liquid leakage can be prevented in advance.

Description

Connecting device for flow regulating valve

Technical Field

The utility model relates to a technical field is connected to the governing valve, specifically is a connecting device for flow control valve.

Background

The flow regulating valve is used for regulating the speed of the actuating mechanism and can be divided into a throttle valve, a stroke throttle valve, a speed regulating valve, a shunting and collecting throttle valve and the like according to functions and purposes. The common characteristic of the valves is that the flow area of the orifice in the valve is changed to adjust the liquid resistance when oil flows through the orifice, thereby realizing the control of flow.

The existing connecting device for the flow regulating valve is not perfect in the aspects of structure and function, and has a part to be improved, firstly, the liquid flow pipe and the flow regulating valve are generally directly connected together in the prior art, in case of liquid leakage, the two directly connected devices can directly flow out, so that the loss of liquid and the reduction of equipment efficiency are caused, secondly, the device is lack of a detection mechanism, and the problem of whether the bolt is loosened at the connecting part can not be detected, so that the leakage problem can not be solved in advance.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a connecting device for flow control valve has solved two devices of lug connection among the prior art in case the leakage problem appears, and liquid can directly trickle to the external world, causes the problem of liquid loss, has still solved the problem that equipment can not self-checking.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a connecting device for flow control valve, includes flow liquid pipe and flow control valve, the surface of flow liquid pipe is close to the position of one end and is provided with coupling mechanism, and one side surface of coupling mechanism is provided with self-checking mechanism.

The connecting mechanism comprises a first connecting disc, a first connecting plate, a first positioning hole, a second connecting disc, a second connecting plate, a second positioning hole, a second threaded sleeve, a through hole disc, a first threaded sleeve, a connecting rod cylinder and an anti-deviation plate, wherein the first connecting plate is arranged on the outer surface of the first connecting disc and is close to one side, the first positioning hole is arranged on one side of the first connecting plate, the second connecting disc is arranged on the outer surface of one side of the first connecting disc, the second connecting plate is arranged on the outer surface of the second connecting disc and is close to one side, the second positioning hole is arranged on one side of the second connecting disc, the second threaded sleeve is arranged on the outer surface of the other side of the second connecting disc, the through hole disc is arranged on the outer.

Preferably, the self-checking mechanism includes the self-checking case, locate the transparent box that self-checking case upper end surface is close to one side position, fixed mounting in the pointer opposite side internal surface support the post, locate the spring post that supports post one side surface, the driven plate of fixed connection and spring post, locate the pointer of driven plate upper end surface.

Preferably, the lower extreme internal surface fixed mounting of self-checking case has the platform of sliding, and the inside of the platform of sliding is provided with the groove of sliding, the fixed mounting of the lower extreme surface of driven plate has the board of sliding.

Preferably, the position that the front end surface of transparent box is close to the upper end is provided with transparent scale subsides, the lower extreme surface of transparent box is provided with first logical groove of moving, the position that the upper end internal surface of self-checking case is close to one side is provided with the second and moves the groove, and first logical groove of moving is the same with the size that the second moved the groove, and first logical groove of moving is in same vertical plane with the second and moves the groove, and first logical groove of moving is all slightly greater than the size of pointer with the size that the second moved the groove.

Preferably, the first connecting disc is arranged at a position, close to one side, of the outer surface of the liquid flow pipe, a first rotating groove is formed in a position, close to one side, of the inner surface of the first connecting disc, a first rotating plate is arranged on the outer surface of the rear end of the first connecting plate, a second rotating groove is formed in a position, close to one side, of the inner surface of the second connecting disc, a second rotating plate is arranged on the outer surface of the rear end of the second connecting plate, a thread groove is formed in the second connecting disc, and a thread group is arranged on a position, close to the other side, of the outer surface of the second thread sleeve.

Preferably, the through hole is formed in the through hole disc, the through holes are formed in the first connecting disc and the second connecting disc, the first connecting plate and the second connecting plate are fixedly connected through connecting bolts, the connecting holes are formed in the first connecting plate and the second connecting plate, a first positioning plate is fixedly mounted on the outer surface of the upper end of the first connecting plate, a third positioning hole is formed in the inner portion of the first positioning plate, a second positioning plate is arranged on the outer surface of the upper end of the second connecting plate, a fourth positioning hole is formed in the second positioning plate, a first positioning bolt penetrates through the third positioning hole and the inner portion of the first positioning hole, and a second positioning bolt penetrates through the fourth positioning hole and the inner portion of the second positioning hole.

Advantageous effects

The utility model provides a connecting device for flow control valve. Compared with the prior art, the method has the following beneficial effects:

1. the connecting device for the flow regulating valve is provided with a connecting mechanism, the connecting mechanism comprises a first connecting disc, a second connecting disc, a first positioning hole and the like, the outer wall of the flow pipe can be in threaded connection with the inner wall of a second threaded sleeve, the outer surface of the first threaded sleeve can be in threaded connection with the inner wall of the flow pipe, the flow regulating valve can penetrate through a connecting rod barrel and can be in threaded connection with a connecting groove between a deviation preventing plate and the second threaded sleeve, so that the flow regulating valve and the flow pipe are connected together, the method avoids direct connection between the flow regulating valve and the flow pipe, the stability is higher, if leakage problems occur, the leaked liquid cannot be directly lost and can be deposited in the connecting mechanism, if the leakage problems cannot be found in time, when full flow liquid is accumulated in the connecting mechanism, the closed connecting mechanism can enable the direct liquid flow of the flow pipe and the flow regulating valve to return to normal, so that the leaked liquid of the equipment can not be directly lost.

2. This a connecting device for flow control valve, be provided with self-checking mechanism, self-checking mechanism is including the self-checking case, pointer and transparent box etc. if threaded connection appears becoming flexible between first connection pad and the second connection pad, relative motion can directly take place for first connection pad and second connection pad so, the motion of first connection pad can promote the removal of pointer, whether lie in initial position through observing the pointer and judge that first connection pad takes place not hard up, can prevent to suffer from in the bud, prevent the leakage of liquid in advance.

Drawings

Fig. 1 is a schematic structural view of the connection mechanism of the present invention;

fig. 2 is a schematic structural diagram of the self-checking mechanism of the present invention;

FIG. 3 is a view showing the liquid flow tube, the flow control valve and the connection mechanism of the present invention;

fig. 4 is a plane connection diagram of the liquid flow pipe, the flow control valve and the connection mechanism of the present invention.

In the figure: 1. a liquid flow pipe; 2. a flow regulating valve; 3. a connecting mechanism; 301. a first splice tray; 302. a second connecting disc; 303. a first positioning hole; 304. an anti-deviation plate; 305. a through-hole plate; 306. a connecting rod cylinder; 307. a second positioning hole; 308. a first threaded sleeve; 309. a second threaded sleeve; 310. a second connecting plate; 311. a first connecting plate; 4. a self-checking mechanism; 401. a self-checking box; 402. a pointer; 403. a transparent box; 404. supporting columns; 405. a spring post; 406. a driven plate.

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. 3-4, the present invention provides a technical solution: the utility model provides a connecting device for flow control valve, includes flow liquid pipe 1 and flow control valve 2, and the position that the surface of flow liquid pipe 1 is close to one end is provided with coupling mechanism 3, and one side surface of coupling mechanism 3 is provided with self-checking mechanism 4.

Referring to fig. 1, the connection mechanism 3 includes a first connection plate 301, a first connection plate 311 disposed on one side of an outer surface of the first connection plate 301, a first positioning hole 303 disposed on one side of the first connection plate 311, a second connection plate 302 disposed on one side of the outer surface of the first connection plate 301, a second connection plate 310 disposed on one side of an outer surface of the second connection plate 302, a second positioning hole 307 disposed on one side of the second connection plate 310, a second threaded sleeve 309 disposed on an outer surface of the other side of the second connection plate 302, a through hole plate 305 disposed on one side of an outer surface of a lower end of the second threaded sleeve 309, a first threaded sleeve 308 disposed on one side of an outer surface of the through hole plate 305, a connection rod barrel 306 fixedly mounted on an outer surface of one end of the second threaded sleeve 309, and a deviation preventing plate 304 disposed on one side of an inner surface of the connection rod barrel 306, the first connection plate 301 being disposed on one, a first rotating groove is formed in the position, close to one side, of the inner surface of the first connecting disc 301, a first rotating plate is arranged on the outer surface of the rear end of the first connecting plate 311, a second rotating groove is formed in the position, close to one side, of the inner surface of the second connecting disc 302, a second rotating plate is arranged on the outer surface of the rear end of the second connecting plate 310, a thread groove is formed in the second connecting disc 302, a thread group is arranged in the position, close to the other side, of the outer surface of the second thread sleeve 309, a position of the second connecting disc 302 can be changed on the second thread sleeve 309 through the matching use between the thread groove and the thread group, a through hole is formed in the through hole disc 305, through holes are formed in the first connecting disc 301 and the second connecting disc 302, the first connecting plate 311 and the second connecting plate 310 are fixedly connected through connecting bolts, and connecting holes are formed in the first, a first positioning plate is fixedly mounted on the outer surface of the upper end of the first connecting plate 311, a third positioning hole is formed in the first positioning plate, a second positioning plate is arranged on the outer surface of the upper end of the second connecting plate 310, a fourth positioning hole is formed in the second positioning plate, a first positioning bolt penetrates through the third positioning hole and the first positioning hole 303, and a second positioning bolt penetrates through the fourth positioning hole and the second positioning hole 307.

Referring to fig. 2, the self-checking mechanism 4 includes a self-checking box 401, a transparent box 403 disposed on one side of the outer surface of the upper end of the self-checking box 401, a support column 404 fixedly mounted on the inner surface of the other side of the pointer 402, a spring column 405 disposed on one side of the outer surface of the support column 404, a driven plate 406 fixedly connected to the spring column 405, and a pointer 402 disposed on the outer surface of the upper end of the driven plate 406, a sliding table fixedly mounted on the inner surface of the lower end of the self-checking box 401, a sliding slot disposed inside the sliding table, a sliding plate fixedly mounted on the outer surface of the lower end of the driven plate 406, a transparent scale sticker disposed on the outer surface of the front end of the transparent box 403 near the upper end, a first through-moving slot disposed on the outer surface of the lower end of the transparent box 403, a second through-moving slot disposed on one side of the inner surface of the upper end of the self-checking box 401, the sizes of the first through moving groove and the second through moving groove are slightly larger than the size of the pointer 402, and the transparent scale can judge whether the position of the pointer 402 is changed.

In use, when the fluid pipe 1 is connected with the flow control valve 2, the pipe orifice of the fluid pipe 1 is aligned with the port of the first threaded sleeve 308 to rotate the fluid pipe 1, so that the first threaded sleeve 308 can rotate into the interior of the fluid pipe 1 through threads, at this time, the outer wall of the fluid pipe 1 and the inner wall of the second threaded sleeve 309 are also connected together through threads, the liquid inlet pipe orifice of the flow control valve 2 is aligned with the port of the connecting rod cylinder 306, the flow control valve 2 is rotated, so that the flow control valve 2 can be rotated into the other side port of the second threaded sleeve 309, the fluid pipe 1 and the flow control valve 2 are connected together, the second connecting disc 302 is rotated, since the connection between the second connecting disc 302 and the second threaded sleeve 309 is also in threaded connection, the position of the second connecting disc 302 can be adjusted through the rotation of the second connecting disc 302 until the second connecting disc 302 is attached to the first connecting disc 301, pushing the second connecting plate 310 and the first connecting plate 311 to align the second connecting plate 310 with the first connecting plate 311, passing two sets of positioning bolts through the positioning holes of the first connecting plate 311 and the second connecting plate 310 respectively until passing through the first positioning hole 303 and the second positioning hole 307, the first connecting plate 311 and the second connecting plate 310 are fixed, and then the connecting bolt passes through the first connecting plate 311 and the second connecting plate 310 to fixedly connect the two, if the connection between the second connecting plate 310 and the first connecting plate 311 is loose, the first connecting plate 301 and the second connecting plate 302 will move relatively, the moving first connecting plate 301 will push the driven plate 406 to move, the movement of the driven plate 406 will drive the pointer 402 to move, whether the first interface 301 is displaced is determined by observing whether the scale value for which the pointer 402 is set changes.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A connecting device for flow control valve, includes flowing liquid pipe (1) and flow control valve (2), its characterized in that: a connecting mechanism (3) is arranged at a position, close to one end, of the outer surface of the liquid flow pipe (1), and a self-checking mechanism (4) is arranged on the outer surface of one side of the connecting mechanism (3);

the connecting mechanism (3) comprises a first connecting disc (301), a first connecting plate (311) arranged at a position close to one side of the outer surface of the first connecting disc (301), a first positioning hole (303) arranged at one side of the first connecting plate (311), a second connecting disc (302) arranged at the outer surface of one side of the first connecting disc (301), a second connecting plate (310) arranged at a position close to one side of the outer surface of the second connecting disc (302), and a second positioning hole (307) arranged at one side of the second connecting plate (310), the connecting rod comprises a second threaded sleeve (309) arranged on the outer surface of the other side of the second connecting disk (302), a through hole disk (305) arranged on the outer surface of the lower end of the second threaded sleeve (309) and close to one side, a first threaded sleeve (308) arranged on the outer surface of one side of the through hole disk (305), a connecting rod cylinder (306) fixedly installed on the outer surface of one end of the second threaded sleeve (309), and an anti-deviation plate (304) arranged on the inner surface of the connecting rod cylinder (306) and close to one side.

2. The connecting device for the flow regulating valve according to claim 1, wherein the self-checking mechanism (4) comprises a self-checking box (401), a transparent box (403) arranged at a position close to one side of the outer surface of the upper end of the self-checking box (401), a support pillar (404) fixedly arranged on the inner surface of the other side of the pointer (402), a spring pillar (405) arranged on the outer surface of one side of the support pillar (404), a driven plate (406) fixedly connected with the spring pillar (405), and the pointer (402) arranged on the outer surface of the upper end of the driven plate (406).

3. A connecting device for a flow control valve according to claim 2, characterized in that a sliding table is fixedly mounted on the inner surface of the lower end of the self-checking box (401), a sliding groove is formed in the sliding table, and a sliding plate is fixedly mounted on the outer surface of the lower end of the driven plate (406).

4. The connecting device for the flow regulating valve according to claim 2, wherein a transparent scale is arranged on the outer surface of the front end of the transparent box (403) close to the upper end, a first through moving groove is arranged on the outer surface of the lower end of the transparent box (403), a second through moving groove is arranged on the inner surface of the upper end of the self-checking box (401) close to one side, the first through moving groove and the second through moving groove are the same in size and are positioned on the same vertical plane, and the sizes of the first through moving groove and the second through moving groove are slightly larger than that of the pointer (402).

5. The connecting device for a flow control valve according to claim 1, wherein the first connecting disc (301) is disposed at a position close to one side of the outer surface of the flow pipe (1), a first rotating groove is disposed at a position close to one side of the inner surface of the first connecting disc (301), a first rotating plate is disposed at the outer surface of the rear end of the first connecting plate (311), a second rotating groove is disposed at a position close to one side of the inner surface of the second connecting disc (302), a second rotating plate is disposed at the outer surface of the rear end of the second connecting plate (310), a threaded groove is disposed inside the second connecting disc (302), and a thread group is disposed at a position close to the other side of the outer surface of the second threaded sleeve (309).

6. The connecting device for a flow rate regulating valve according to claim 1, through holes are arranged in the through hole disc (305), through holes are arranged in the first connecting disc (301) and the second connecting disc (302), the first connecting plate (311) is fixedly connected with the second connecting plate (310) through a connecting bolt, and the first connecting plate (311) and the second connecting plate (310) are internally provided with connecting holes, a first positioning plate is fixedly arranged on the outer surface of the upper end of the first connecting plate (311), a third positioning hole is arranged in the first positioning plate, the outer surface of the upper end of the second connecting plate (310) is provided with a second positioning plate, a fourth positioning hole is formed in the second positioning plate, a first positioning bolt penetrates through the third positioning hole and the first positioning hole (303), and a second positioning bolt penetrates through the fourth positioning hole and the second positioning hole (307).