CN215596541U - Limit switch locking device for valve - Google Patents
Limit switch locking device for valve Download PDFInfo
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- CN215596541U CN215596541U CN202122253563.XU CN202122253563U CN215596541U CN 215596541 U CN215596541 U CN 215596541U CN 202122253563 U CN202122253563 U CN 202122253563U CN 215596541 U CN215596541 U CN 215596541U
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- valve
- pull rod
- limit switch
- frame body
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Abstract
The utility model discloses a limit switch locking device for a valve, which comprises a valve main body, wherein a valve cover is arranged at the top of the valve main body, a rotating part is arranged inside the valve cover, a valve ball is arranged inside the valve main body, the bottom end of the rotating part is fixedly connected with the top end of the valve ball, the top end of the rotating part is fixedly connected with a switching device, a frame body is arranged at the top end of the valve cover, the top end of the switching device is positioned outside the frame body, a pull rod is inserted into one side of the top end of the frame body, one end of the pull rod positioned inside the frame body is fixedly connected with a clamping block, a disc is fixed outside the bottom end of the switching device, a plurality of clamping grooves matched with the clamping block in structure are arranged at the top end of the disc in a surrounding manner, and a pull ring is arranged at one end of the pull rod positioned outside the frame body. This a limit switch locking device for valve can lock the limit switch after the location, prevents that limit switch from being influenced production technology by the maloperation.
Description
Technical Field
The utility model relates to the technical field of valve limit switches, in particular to a limit switch locking device for a valve.
Background
Valves are plumbing accessories used to open and close a pipe, control flow direction, regulate and control parameters of the transport medium (temperature, pressure and flow). According to their function, they can be classified into shut-off valves, check valves, regulating valves, and the like. 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 limit switch part of present valve is manual formula structure, because the most of current valve all lacks the mechanism that locks manual limit switch, and this makes limit switch fix a position the completion back on the valve, and the staff has the misoperation easily to touch limit switch, causes the misoperation of production technology.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a limit switch locking device for a valve, which is used for solving the problem that the prior valve proposed by the background art is lack of a mechanism for locking a manual limit switch.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a limit switch locking device for valve, includes the valve main part, the top of valve main part is equipped with the valve gap, the inside of valve gap is equipped with rotates the piece, the inside of valve main part is equipped with the valve ball, the bottom of rotating the piece and the top fixed connection of valve ball, the top fixed connection switching device who rotates the piece, the top of valve gap is equipped with the framework, switching device's top is located the outside of framework, the pull rod has been alternate to one side on framework top, the pull rod is located the inside one end fixedly connected with fixture block of framework, the external fixation of switching device bottom has the disc, the top of disc is encircleed and is equipped with a plurality of and the identical draw-in groove of fixture block structure, just the pull rod is located the outside one end of framework and is equipped with the pull ring.
Preferably, an annular stop block is arranged at the joint of the pull rod and the clamping block, a spring is connected between the top end of the annular stop block and the inner wall of the top end of the frame body, and the spring is sleeved outside the pull rod.
Preferably, the inner wall of the clamping groove is provided with a rubber pad, and the thickness of the rubber pad on the inner wall of the clamping groove is 0.1-0.3 cm.
Preferably, the rotating part is connected with the valve cover in a sliding mode, and balls are arranged between the two sides of the rotating part and the inner wall of the valve cover.
Preferably, a through hole is formed in the pull rod, and the through hole in the pull rod is located in the middle of the pull rod.
Preferably, one side of the frame body, which is positioned on the pull rod, is provided with a transparent observation window, and the outer edge of the disc is provided with a mark bulge corresponding to the clamping groove.
Compared with the prior art, the utility model has the beneficial effects that: this a limit switch locking device for valve can lock the limit switch after the location, prevents that limit switch from being influenced production technology by the maloperation. This a limit switch locking device for valve can make the fixture block in corresponding draw-in groove through the pull rod in the top activity of framework and under the effect of spring, and this makes the pull rod carry out spacing back to the disc and realizes the locking function to switching device, avoids the staff mistake to touch switching device and causes the influence to production technology.
Drawings
FIG. 1 is a schematic structural view of a limit switch locking device for a valve according to the present invention;
FIG. 2 is an enlarged schematic view of the position limit switch locking device for a valve of the present invention at A in FIG. 1;
fig. 3 is a schematic top view of a disk of a limit switch locking device for a valve according to the present invention.
In the figure: 1. the valve comprises a valve body, 2, a valve ball, 3, a switch device, 4, a rotating part, 5, a valve cover, 6, a disc, 7, a frame body, 8, a pull rod, 9, a spring, 10, an annular stop block, 11, a clamping block, 12, a clamping groove, 13 and a mark bulge.
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.
Referring to fig. 1-3, the present invention provides a technical solution: a limit switch locking device for a valve comprises a valve body 1, the top of the valve body 1 is fixedly connected with a valve cover 5 through welding, a rotating part 4 is arranged inside the valve cover 5, a valve ball 2 is arranged inside the valve body 1, the bottom end of the rotating part 4 is fixedly connected with the top end of the valve ball 2, the top end of the rotating part 4 is fixedly connected with a switch device 3, the top end of the valve cover 5 is fixedly connected with a frame body 7 through welding, the top end of the switch device 3 is positioned outside the frame body 7, the joint of the switch device 3 and the frame body 7 is connected through a bearing, a pull rod 8 penetrates through the right side of the top end of the frame body 7, the pull rod 8 is connected with the frame body 7 in a sliding manner, one end of the pull rod 8, which is positioned inside the frame body 7, a clamping block 11 is fixedly connected with the outside of the bottom end of the switch device 3, a disc 6 is arranged on the top end of the disc 6 in a surrounding manner of being matched with the clamping block 11 in structure, and one end of the pull rod 8, which is positioned outside the frame body 7, is fixedly connected with a pulling ring through welding, the connecting part of the pull rod 8 and the clamping block 11 is provided with an annular stop block 10, the top end of the annular stop block 10 and the inner wall of the top end of the frame body 7 are connected with a spring 9, and the spring 9 is sleeved outside the pull rod 8, when the switch device 3 drives the rotating piece 4 to rotate in the valve cover 5 to adjust the valve ball 2 to a proper angle, the pull rod 8 can enable the clamping block 11 to be clamped in the corresponding clamping groove 12 through the movement at the top end of the frame body 7 and under the action of the spring 9, so that the pull rod 8 can realize the locking function of the switch device 3 through limiting the disc 6, the influence of the switch device 3 on the production process of the valve main body 1 due to the operation error of a worker is avoided, the inner wall of the clamping groove 12 is provided with a rubber pad, the thickness of the rubber pad on the inner wall of the clamping groove 12 is 0.1-0.3cm, and the rubber pad on the inner wall of the clamping groove 12 can increase the friction force contacted with the clamping block 11, when the clamping block 11 is clamped in the clamping groove 12, the clamping block is firmer, the rotating part 4 is connected with the valve cover 5 in a sliding way, balls are arranged between the two sides of the rotating part 4 and the inner wall of the valve cover 5, the structural switch device 3 can drive the rotating part 4 to rotate in the valve cover 5 more smoothly through the balls, a through hole is arranged on the pull rod 8, the through hole on the pull rod 8 is positioned in the middle of the pull rod 8, when the pull rod 8 is pulled upwards to enable the clamping block 11 to be separated from the clamping groove 12, the through hole of the pull rod 8 can limit the pull rod 8 through a bolt penetrating shaft, the situation that a worker needs to pull the pull rod 8 at the same time when adjusting the switch device 3 is avoided, a transparent observation window is arranged on one side of the frame body 7, the positions, corresponding to the clamping groove 12, of the outer edge of the disc 6 are provided with the marking bulges 13, and the worker can observe the positions of the marking bulges 13 from the observation window on one side of the frame body 7, so that the pull rod 8 can more accurately drive the clamping block 11 to be inserted into the corresponding clamping groove 12.
The working principle is as follows: when the limit switch locking device for the valve is used, firstly, the switch device 3 is rotated, the switch device 3 can adjust the valve ball 2 to a proper angle by driving the rotating piece 4 to rotate in the valve cover 5, after the switch device 3 positions the valve ball 2, a worker firstly passes through the position of the observation mark bulge 13 from the observation window at the side part of the frame 7 and then pulls the pull ring at the top end of the pull rod 8, the pull rod 8 can enable the annular stop block 10 to extrude the spring 9 by upwards pulling at the top end of the frame 7, when the pull ring at the top end of the pull rod 8 is loosened, the pull rod 8 can enable the fixture block 11 to be clamped in the corresponding clamping groove 12 under the reset action of the spring 9, the rubber pads on the inner wall of the clamping groove 12 can enable the fixture block 11 to be clamped in the clamping groove 12 more firmly, and after the pull rod 8 limits the disc 6, the function of locking the switch device 3 is completed at the same time, when the angle of the valve ball 2 needs to be adjusted again through the switch device 3, the pull rod 8 is pulled upwards to enable the fixture block 11 to be separated from the clamping groove 12, then the pin shaft is inserted into the through hole of the pull rod 8 to limit the position of the pull rod 8, so that the switch device 3 can be rotated conveniently by a worker, and a series of work is completed.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.
Claims (6)
1. The utility model provides a limit switch locking device for valve, includes valve main part (1), the top of valve main part (1) is equipped with valve gap (5), the inside of valve gap (5) is equipped with rotates piece (4), the inside of valve main part (1) is equipped with valve ball (2), the bottom of rotating piece (4) and the top fixed connection of valve ball (2), rotate top fixed connection switching device (3) of piece (4), its characterized in that: the top of valve gap (5) is equipped with framework (7), the top of switching device (3) is located the outside of framework (7), one side interlude on framework (7) top has pull rod (8), pull rod (8) are located the inside one end fixedly connected with fixture block (11) of framework (7), the external fixation of switching device (3) bottom has disc (6), the top of disc (6) is encircleed and is equipped with a plurality of and fixture block (11) structure identical draw-in groove (12), just pull rod (8) are located the outside one end of framework (7) and are equipped with the pull ring.
2. A limit switch lockout device for a valve as claimed in claim 1 wherein: the connecting part of the pull rod (8) and the clamping block (11) is provided with an annular stop block (10), the top end of the annular stop block (10) is connected with a spring (9) through the inner wall of the top end of the frame body (7), and the spring (9) is sleeved outside the pull rod (8).
3. A limit switch lockout device for a valve as claimed in claim 1 wherein: the inner wall of the clamping groove (12) is provided with a rubber pad, and the thickness of the rubber pad on the inner wall of the clamping groove (12) is 0.1-0.3 cm.
4. A limit switch lockout device for a valve as claimed in claim 1 wherein: the rotating part (4) is connected with the valve cover (5) in a sliding mode, and balls are arranged between the two sides of the rotating part (4) and the inner wall of the valve cover (5).
5. A limit switch lockout device for a valve as claimed in claim 1 wherein: a through hole is formed in the pull rod (8), and the through hole in the pull rod (8) is located in the middle of the pull rod (8).
6. A limit switch lockout device for a valve as claimed in claim 1 wherein: one side of the frame body (7) located on the pull rod (8) is provided with a transparent observation window, and the outer edge of the disc (6) is provided with a mark bulge (13) at a position corresponding to the clamping groove (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122253563.XU CN215596541U (en) | 2021-09-17 | 2021-09-17 | Limit switch locking device for valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122253563.XU CN215596541U (en) | 2021-09-17 | 2021-09-17 | Limit switch locking device for valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215596541U true CN215596541U (en) | 2022-01-21 |
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ID=79886262
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122253563.XU Active CN215596541U (en) | 2021-09-17 | 2021-09-17 | Limit switch locking device for valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215596541U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114526349A (en) * | 2022-02-25 | 2022-05-24 | 重庆市金球高压阀门有限公司 | Multi-control interface control ball valve |
-
2021
- 2021-09-17 CN CN202122253563.XU patent/CN215596541U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114526349A (en) * | 2022-02-25 | 2022-05-24 | 重庆市金球高压阀门有限公司 | Multi-control interface control ball valve |
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