Quick opening and closing device of manual valve

By introducing a retractable handle and electromagnet for positioning in the manual valve, the problem of time-consuming and laborious operation of existing manual valves is solved, achieving rapid opening and closing and safety against accidental touch.

CN223725597UActive Publication Date: 2025-12-26LANZHOU JIAOTONG UNIV
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Patent Information

Application Number
CN202520260730.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-19
Publication Date
2025-12-26
Estimated Expiration
2035-02-19

AI Technical Summary

Technical Problem

Existing manual valves require a large operating space and force to open and close, making operation time-consuming and labor-intensive.

Method used

A manual valve quick-opening device was designed. By embedding a retractable movable handle in the handwheel and using an electromagnet for positioning, it can achieve quick opening and prevent accidental activation.

Benefits of technology

It improves valve opening and closing efficiency, saves manpower, reduces operating space, prevents accidental activation, and enhances operational convenience.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223725597U_ABST
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Abstract

The utility model discloses a manual valve quick opening and closing device which comprises a valve body, flange plates are fixedly connected to the two ends of the valve body respectively, a valve element is arranged in the valve body, a hand wheel corresponding to the valve element is arranged at the top of the valve body, and a fixing disc is fixedly connected to the center of the inner wall of the hand wheel. An electromagnet is fixedly connected to the interior of the fixing disc in an embedded mode, a switch cover is arranged at the top of the fixing disc, a start-stop switch corresponding to the electromagnet is fixedly connected to the outer top of the fixing disc, a fixing pipe is fixedly connected between the hand wheel and the fixing disc, and a movable handle is slidably connected to the inner wall of the fixing pipe. The valve core, the hand wheel, the fixed pipe and the movable handle are matched with one another, and the telescopic movable handle is embedded in the hand wheel, so that the telescopic movable handle can be drawn out to increase an operation force arm of a user when the valve is opened, favorable conditions are provided for quickly opening the valve, manpower is saved, and the opening and closing efficiency of the valve is improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, concretely is a kind of hand valve quick switching device. BACKGROUND

[0002] Hand valve is a control component in pipeline fluid conveying system, mainly used to change passage section and medium flow direction, with the functions of flow guiding, cut-off, regulating, throttling, check, shunting or overflow pressure relief etc.Hand valve is controlled to open and close by hand wheel, handle, lever, sprocket etc.human power operating device.

[0003] The hand wheel opening and closing valve in the prior art needs to rotate to open and close, and needs a large operating space, so it is time-consuming and labor-consuming to operate.

[0004] Therefore, we propose to design a kind of hand valve quick switching device. CONTENT OF UTILITY MODEL

[0005] This part is to outline some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this part and the abstract of the specification and the utility model name to avoid obscuring the purpose of this part, the abstract of the specification and the utility model name, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] To solve the above technical problems, according to one aspect of the utility model, the utility model provides the following technical scheme:

[0007] A kind of hand valve quick switching device, including valve body, the valve body both ends are fixedly connected with flange plate, the valve body inside is provided with valve core, the valve body top is provided with hand wheel corresponding with valve core;

[0008] The fixed disc is fixedly connected at the center of the inner wall of the hand wheel, the electromagnet is embedded and fixedly connected in the fixed disc, the switch cover is arranged on the top of the fixed disc, and the start-stop switch corresponding to the electromagnet is fixedly connected on the top of the fixed disc outside.

[0009] The fixed pipe is fixedly connected between the hand wheel and the fixed disc, the movable handle is slidably connected to the inner wall of the fixed pipe, the mounting groove is formed in one end of the fixed pipe close to the hand wheel, the protrusions are fixedly connected to the outer wall on both sides of the movable handle, and the spring group is arranged between the mounting groove and the protrusions.

[0010] As a preferred scheme of the hand valve quick switching device, the switch cover and the top of the fixed disc are connected by spring hinge, the switch cover is automatically closed by spring hinge, and the start-stop switch is protected.

[0011] As a preferred scheme of the utility model discloses a kind of quick switching device of manual valve, wherein, the outer end of the movable handle is fixedly connected with end block, the end block is smoothly attached with the side of hand wheel, when movable handle is inserted into fixed tube, end block can be attached with the outer wall of hand wheel, reduce the space occupied by hand wheel.

[0012] As a preferred scheme of the utility model discloses a kind of quick switching device of manual valve, wherein, the outer end of the movable handle is fixedly connected with end block, the end block is smoothly attached with the side of hand wheel, when movable handle is inserted into fixed tube, end block can be attached with the outer wall of hand wheel, reduce the space occupied by hand wheel.

[0013] As a preferred scheme of the utility model discloses a kind of quick switching device of manual valve, wherein, the outer end of the movable handle is fixedly connected with end block, the end block is smoothly attached with the side of hand wheel, when movable handle is inserted into fixed tube, end block can be attached with the outer wall of hand wheel, reduce the space occupied by hand wheel.

[0014] Compared with prior art, the utility model has the beneficial effect that:

[0015] The utility model discloses a valve core, hand wheel, fixed tube and movable handle between each other cooperate, through being embedded in hand wheel with telescopic movable handle, when opening valve, can be extracted and increase the operating arm of user, provide favorable condition for quick opening valve, it is convenient to save manpower, improve valve opening and closing efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the utility model will be described in detail below in combination with drawings and detailed embodiment, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor, wherein:

[0017] Fig. 1 It is the appearance schematic view of the utility model quick switching device of manual valve;

[0018] Fig. 2 It is the hand wheel structure schematic view of the utility model quick switching device of manual valve;

[0019] Fig. 3 It is the fixed tube structure schematic view of the utility model quick switching device of manual valve.

[0020] Legend: 1, valve body; 2, flange plate; 3, valve core; 4, hand wheel; 401, fixed disc; 402, electromagnet; 403, switch cover; 404, start-stop switch; 5, fixed tube; 501, mounting groove; 502, spring group; 6, movable handle; 601, end block; 7, protruding block. DETAILED DESCRIPTION

[0021] In order to make the above-mentioned purposes, features and advantages of the utility model more apparent, obvious and easy to understand, the specific embodiments of the utility model will be described in detail below with reference to the drawings.

[0022] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the utility model, therefore the utility model is not limited by the specific embodiments disclosed below.

[0023] Secondly, the utility model is described in detail in combination with the schematic diagram, when detailing the embodiments of the utility model, for the convenience of illustration, the sectional view of the device structure will be partially enlarged without the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the utility model herein. In addition, the three-dimensional spatial dimensions of length, width and depth should be included in actual production.

[0024] In order to make the purposes, technical schemes and advantages of the utility model more clear, the embodiments of the utility model will be described in further detail below in combination with the drawings.

[0025] Please refer to Figs. 1-3 The utility model provides a kind of hand valve quick switch device, including valve body 1, flange plate 2 is fixedly connected at both ends of valve body 1, valve body 1 is provided with valve core 3 inside, valve body 1 top is provided with hand wheel 4 corresponding with valve core 3.

[0026] Fixed disc 401 is fixedly connected in the center of hand wheel 4 inner wall, electromagnet 402 is embeddedly fixedly connected in fixed disc 401 inside, switch cover 403 is provided on the top of fixed disc 401, start-stop switch 404 corresponding with electromagnet 402 is fixedly connected on the top of fixed disc 401.

[0027] In the embodiment, switch cover 403 and the top of fixed disc 401 are connected by spring hinge, switch cover 403 is automatically closed by spring hinge, and start-stop switch 404 is protected.

[0028] Fixed tube 5 is fixedly connected between hand wheel 4 and fixed disc 401, movable handle 6 is slidably connected in the inner wall of fixed tube 5.

[0029] The outer side wall of the fixed disc 401 is provided with a through hole corresponding to the fixed pipe 5, the end of the movable handle 6 is fixedly connected with an iron block, the iron block penetrates through the through hole and is attracted by the electromagnet 402 through magnetic force, the movable handle 6 is positioned by being attracted by the electromagnet 402, so as to prevent personnel from being mistakenly touched.

[0030] The outer end of the movable handle 6 is fixedly connected with an end block 601, the end block 601 is smoothly attached to the side of the hand wheel 4 close to each other, when the movable handle 6 is inserted into the fixed pipe 5, the end block 601 can be attached to the outer wall of the hand wheel 4, so as to reduce the occupied space of the hand wheel 4.

[0031] The end of the fixed pipe 5 close to the hand wheel 4 is provided with a mounting groove 501, the outer wall of the movable handle 6 is fixedly connected with a lug 7 on both sides, and the mounting groove 501 and the lug 7 are jointly provided with a spring set 502.

[0032] The one end of the spring set 502 is fixedly connected with the inner wall of the mounting groove 501, and the other end of the spring set 502 is abutted against the outer surface of the lug 7, when the electromagnet 402 is closed, the movable handle 6 can be popped out under the elastic force of the spring set 502, so as to be convenient for use.

[0033] When in use, the electromagnet 402 is connected with the external power supply, so that the start-stop switch 404, the electromagnet 402 and the external power supply jointly form a closed loop.

[0034] In the daily use state, the valve core 3 of the valve is in the closed state, when the valve needs to be opened, the switch cover 403 is only opened, the electromagnet 402 is closed through the start-stop switch 404, at this time, the movable handle 6 on the side of the hand wheel 4 can be popped out under the elastic force of the spring set 502.

[0035] When the staff pulls the movable handle 6 to the longest position, the operation arm of the user can be increased, so as to better twist the hand wheel 4 to open the valve core 3, and when not in use, the movable handle 6 can be positioned by being attracted by the electromagnet 402, and the outer wall of the hand wheel 4 is smooth, so as to prevent personnel from being mistakenly touched.

[0036] Although the utility model has been described with reference to the embodiments above, various improvements can be made and equivalent substitutes can be used to replace the components without departing from the scope of the utility model. Especially, as long as there is no structural conflict, the features in the embodiments disclosed by the utility model can be combined in any way, and the combinations are not described in the specification due to the consideration of omitting the length and saving the resources. Therefore, the utility model is not limited to the specific embodiments disclosed in the specification, but includes all the technical solutions falling within the scope of the claims.

Claims

1. A hand valve quick switch device comprising a valve body (1), characterized in that, Both ends of the valve body (1) are fixedly connected with flanges (2), the valve body (1) is internally provided with a valve core (3), and the top of the valve body (1) is provided with a hand wheel (4) corresponding to the valve core (3); The inner wall center of the hand wheel (4) is fixedly connected with a fixed disc (401), the fixed disc (401) is fixedly connected with an electromagnet (402) embedded in the inside, the top of the fixed disc (401) is provided with a switch cover (403), and the outer top of the fixed disc (401) is fixedly connected with a start-stop switch (404) corresponding to the electromagnet (402); The fixed pipe (5) is fixedly connected between the hand wheel (4) and the fixed disc (401), the movable handle (6) is slidably connected in the inner wall of the fixed pipe (5), one end of the fixed pipe (5) close to the hand wheel (4) is provided with a mounting groove (501), the outer wall of the movable handle (6) is fixedly connected with a protruding block (7) on both sides, and the mounting groove (501) and the protruding block (7) are jointly provided with a spring group (502).

2. A quick-opening hand valve actuator according to claim 1, wherein The top of the switch cover (403) and the fixed disc (401) is connected by a spring hinge.

3. A quick open-close device for a manual valve according to claim 1, characterized in that The outer end of the movable handle (6) is fixedly connected with an end block (601), and the side close to each other of the end block (601) and the hand wheel (4) is smoothly attached.

4. A quick-opening hand valve actuator according to claim 1, wherein One end of the spring group (502) is fixedly connected with the inner wall of the mounting groove (501), and the other end of the spring group (502) abuts against the outer surface of the protruding block (7).

5. A quick-opening hand valve actuator according to claim 1, wherein The outer side wall of the fixed disc (401) is provided with a through hole corresponding to the fixed pipe (5), the end of the movable handle (6) is fixedly connected with an iron block, and the iron block penetrates through the through hole and is attracted by the magnetic force of the electromagnet (402).