CN215568216U - Low-temperature stop valve structure with non-return function - Google Patents
Low-temperature stop valve structure with non-return function Download PDFInfo
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- CN215568216U CN215568216U CN202121981898.7U CN202121981898U CN215568216U CN 215568216 U CN215568216 U CN 215568216U CN 202121981898 U CN202121981898 U CN 202121981898U CN 215568216 U CN215568216 U CN 215568216U
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- spring
- pipe
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Abstract
The utility model relates to a low-temperature stop valve structure with a non-return function, which comprises a valve body, wherein a valve clack is arranged in an inner cavity of the valve body, a guide step is arranged on the back surface of the valve clack, the guide step and the valve clack form a convex structure, a spring is sleeved on the guide step of the valve clack, the length of the spring is greater than that of the guide step, a connecting groove is formed in the guide step, a valve cover is connected to the valve body, one end of the spring is in contact with the valve clack, the other end of the spring is in contact with the inner wall of the valve cover, a valve pipe is arranged on the valve cover, a valve rod penetrates through the valve pipe, one end of the valve rod penetrates through the valve cover and extends into the valve body, one end of the valve rod is inserted into the connecting groove, and the other end of the valve rod penetrates through the valve pipe and is connected with a hand wheel. The utility model has simple structure and convenient installation and operation, and can realize the non-return function.
Description
Technical Field
The utility model relates to a low-temperature stop valve structure with a non-return function.
Background
The low-temperature valves in the current market do not have a non-return function. When no medium flows into the inlet, the medium at the outlet of the valve flows back to the inlet through the valve, and loss is generated.
In view of the above-mentioned drawbacks, the present designer is actively making research and innovation to create a novel structure of low-temperature stop valve with check function, so that the low-temperature stop valve has more industrial utility value.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model aims to provide a low-temperature stop valve structure with a non-return function.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a take low temperature stop valve structure of non return function, includes the valve body, be provided with the valve clack in the inner chamber of valve body, be provided with the direction step on the back of valve clack, direction step and valve clack constitute protruding type structure, the cover is equipped with the spring on the direction step of valve clack, the length of spring is greater than the length of direction step, the connecting groove has been seted up on the direction step, be connected with the valve gap on the valve body, the one end and the valve clack of spring touch mutually, the other end of spring bumps mutually with the inner wall of valve gap and touches the setting, be provided with the valve pipe on the valve gap, the valve rod has been worn to connect by the valve pipe, the one end of valve rod is passed the valve gap and is stretched into the valve body originally internally, in the connecting groove was inserted to the one end of valve rod, the other end of valve rod pierces through the valve pipe and links to each other with the hand wheel.
Preferably, the low-temperature stop valve structure with the check function is characterized in that the guide step and the valve clack are of an integrally formed structure.
Preferably, in the structure of the low-temperature stop valve with the check function, a packing ring is arranged between the valve pipe and the valve rod.
Preferably, the low-temperature stop valve structure with the non-return function, the valve rod is sleeved with a compression nut, the compression nut is located at the top end of the valve pipe, and the compression nut compresses the packing ring.
Preferably, a take low temperature stop valve structure of non return function, its characterized in that: the valve rod is clamped with the connecting groove.
Preferably, the low-temperature stop valve structure with the non-return function is characterized in that the valve rod is connected with the valve body through a bolt.
By the scheme, the utility model at least has the following advantages:
the valve clack is provided with the guide step for mounting the spring, and when no medium enters the valve clack at the inlet, the valve clack is tightly fitted on the sealing surface of the valve body under the action of the acting force of the spring and the back pressure of outlet liquid to realize sealing; meanwhile, the connection mode of the valve clack and the valve rod is designed to be capable of freely moving up and down, so that when no medium enters an inlet, the valve clack can rapidly form a sealing effect on a sealing surface of the valve body. The utility model has simple structure, convenient implementation and quick operation.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the structure of the valve flap of the present invention.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and is therefore not to be construed as limiting the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
Examples
As shown in fig. 1 and 2, a low temperature stop valve structure with a check function comprises a valve body 1, a valve clack 2 is arranged in the inner cavity of the valve body 1, a guide step is arranged on the back surface of the valve clack 2, the guide step and the valve clack 2 form a convex structure, a spring 3 is sleeved on the guide step of the valve clack 2, the length of the spring 3 is greater than that of the guide step, the guide step is provided with a connecting groove, the valve body 1 is connected with a valve cover 4, one end of the spring 3 is contacted with the valve clack 2, the other end of the spring 3 is arranged in contact with the inner wall of the valve cover 4, a valve pipe is arranged on the valve cover 4, the valve pipe is connected with a valve rod 5 in a penetrating way, one end of the valve rod 5 penetrates through the valve cover 4 and extends into the valve body 1, one end of the valve rod 5 is inserted into the connecting groove, and the other end of the valve rod 5 penetrates through the valve pipe to be connected with the hand wheel 8.
The guide step and the valve clack 2 are of an integrally formed structure.
According to the utility model, a packing ring 6 is arranged between the valve pipe and the valve rod 5, meanwhile, a compression nut 7 is sleeved on the valve rod 5, the compression nut 7 is positioned at the top end of the valve pipe, and meanwhile, the packing ring 6 is compressed by the compression nut 7. The valve pipe on the valve cover has better sealing performance.
The valve rod 5 is clamped with the connecting groove, the valve rod and the hair braid can be quickly connected through the connection, and meanwhile, the connection is not limited to the connection and can also be a screwing connection.
The valve rod 2 is connected with the valve body 1 through a bolt.
The working principle of the utility model is as follows:
when the valve operates, the spring is arranged on the valve clack, the valve clack and the valve rod move up and down linearly, and the valve clack is quickly and tightly attached to a sealing surface of the valve body under the action of the spring force and the pressure of an outlet medium when no medium enters an inlet, so that the sealing of the valve is realized, and the non-return function of the valve is further realized.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a take low temperature stop valve structure of non return function which characterized in that: comprises a valve body (1), a valve clack (2) is arranged in an inner cavity of the valve body (1), a guide step is arranged on the back surface of the valve clack (2), the guide step and the valve clack (2) form a convex structure, a spring (3) is sleeved on the guide step of the valve clack (2), the length of the spring (3) is greater than that of the guide step, a connecting groove is formed in the guide step, a valve cover (4) is connected to the valve body (1), one end of the spring (3) is in contact with the valve clack (2), the other end of the spring (3) is in contact with the inner wall of the valve cover (4), a valve pipe is arranged on the valve cover (4), a valve rod (5) is penetrated through the valve pipe, one end of the valve rod (5) penetrates through the valve cover (4) to stretch into the valve body (1), one end of the valve rod (5) is inserted into the connecting groove, the other end of the valve rod (5) penetrates through the valve pipe and is connected with the hand wheel (8).
2. The structure of claim 1, wherein the structure comprises: the guide step and the valve clack (2) are of an integrated structure.
3. The structure of claim 1, wherein the structure comprises: and a packing ring (6) is arranged between the valve pipe and the valve rod (5).
4. The structure of claim 1, wherein the structure comprises: the valve rod (5) is sleeved with a compression nut (7), the compression nut (7) is located on the top end of the valve pipe, and meanwhile the compression nut (7) compresses the packing ring (6).
5. The structure of claim 1, wherein the structure comprises: the valve rod (5) is clamped with the connecting groove.
6. The structure of claim 1, wherein the structure comprises: the valve rod (5) is connected with the valve body (1) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121981898.7U CN215568216U (en) | 2021-08-23 | 2021-08-23 | Low-temperature stop valve structure with non-return function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121981898.7U CN215568216U (en) | 2021-08-23 | 2021-08-23 | Low-temperature stop valve structure with non-return function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215568216U true CN215568216U (en) | 2022-01-18 |
Family
ID=79840526
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121981898.7U Active CN215568216U (en) | 2021-08-23 | 2021-08-23 | Low-temperature stop valve structure with non-return function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215568216U (en) |
-
2021
- 2021-08-23 CN CN202121981898.7U patent/CN215568216U/en active Active
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