CN217842816U - Axial flow type check valve - Google Patents
Axial flow type check valve Download PDFInfo
- Publication number
- CN217842816U CN217842816U CN202221962358.9U CN202221962358U CN217842816U CN 217842816 U CN217842816 U CN 217842816U CN 202221962358 U CN202221962358 U CN 202221962358U CN 217842816 U CN217842816 U CN 217842816U
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- valve
- chamber
- check valve
- axial flow
- uide bushing
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Abstract
The utility model discloses an axial-flow type check valve relates to the valve field, and it includes the valve body, sets up the disk seat in the valve body and sets up the valve clack subassembly that just corresponds with the disk seat in the valve body, be equipped with the position sleeve and the support frame that set up with one heart in the valve body, the valve clack subassembly includes slides the complex primary shaft pole with the position sleeve, slides the complex secondary shaft pole with the support frame and is located the valve clack in the middle of primary shaft pole and the secondary shaft pole, one side of valve clack is equipped with slides the complex first uide bushing with the support frame, position sleeve one side is equipped with slides the complex second uide bushing with the primary shaft pole, wrap up dustproof mesh on first uide bushing and the second uide bushing respectively. The utility model has the advantages of good working stability.
Description
Technical Field
The utility model relates to a valve field, concretely relates to axial-flow type check valve.
Background
The medium circulated by the existing axial flow check valve generally has no solid particles, because the solid particles can damage the internal structure of the valve body; however, since the production requires that the medium must contain solid particles, it is imperative to design a check valve suitable for circulating the medium with solid particles.
SUMMERY OF THE UTILITY MODEL
In order to overcome the not enough of background art, the utility model provides an axial-flow type check valve that job stabilization nature is good.
The utility model discloses the technical scheme who adopts: axial-flow check valve, it includes the valve body, sets up the disk seat in the valve body and sets up the valve clack subassembly that just corresponds with the disk seat in the valve body, be equipped with position sleeve and the support frame that sets up with one heart in the valve body, the valve clack subassembly include with the position sleeve complex first shaft pole that slides, with the support frame complex second shaft pole that slides and be located the valve clack in the middle of first shaft pole and the second shaft pole, one side of valve clack is equipped with slides complex first uide bushing with the support frame, position sleeve one side is equipped with slides complex second uide bushing with first shaft pole, wrap up dustproof silk screen on first uide bushing and the second uide bushing respectively.
And the second shaft lever is sleeved with a power-assisted spring, and two ends of the power-assisted spring respectively abut against the support frame and the valve clack.
And the first guide sleeve and the second guide sleeve are respectively provided with a first through hole.
The utility model discloses a portable electric cooker with adjustable cavity, including first cavity, second cavity, first through-hole, adjusting cavity, adjusting screw, second direction cover is equipped with the adjusting cavity who supplies first shaft lever to slide the first cavity of complex and communicate with first cavity, first through-hole is located first cavity lateral wall and communicates with the external world, be equipped with the intercommunicating pore of being connected the two between adjusting cavity and the first cavity, be equipped with in the adjusting cavity and insert wherein and screw-thread fit's adjusting screw, adjusting screw's tip shutoff the intercommunicating pore, adjusting cavity's lateral wall is equipped with the external second through-hole of intercommunication.
The first through holes and the second through holes are both in the coverage range of the dustproof silk screen.
The dustproof wire mesh is a fine mesh wire mesh.
The valve seat is a conical surface, the sealing surface of the valve clack, which is in contact with the valve seat, is a spherical surface, and STL hard alloy is welded on the sealing surface of the valve seat and the valve clack, which are in contact with each other.
The valve body is made of high-temperature resistant austenitic stainless steel.
The utility model has the advantages that: this technical scheme is through setting up first uide bushing on the valve clack and set up the second uide bushing on the position sleeve, makes second uide bushing and second shaft lever cooperation of sliding, makes the outer circumference cooperation of sliding of first uide bushing and support frame, improves the sharp precision of sliding of valve clack, in addition, wraps up dustproof silk screen on first uide bushing and second uide bushing, can effectually prevent in the solid particle entering first uide bushing and second uide bushing in the medium, has guaranteed the job stabilization nature of check valve.
Drawings
Fig. 1 is a schematic structural view of an axial flow check valve according to an embodiment of the present invention.
Detailed Description
The embodiments of the present invention will be further explained with reference to the accompanying drawings:
as shown in the figure, the axial flow check valve comprises a valve body 1, a valve seat 2 arranged in the valve body 1 and a valve clack assembly which is arranged in the valve body 1 and corresponds to the valve seat 2, wherein a positioning sleeve 3 and a support frame 4 which are concentrically arranged are arranged in the valve body 1, the valve clack assembly comprises a first shaft rod 5 which is in sliding fit with the positioning sleeve 3, a second shaft rod 6 which is in sliding fit with the support frame 4 and a valve clack 7 which is positioned between the first shaft rod 5 and the second shaft rod 6, a first guide sleeve 8 which is in sliding fit with the support frame 4 is arranged on one side of the valve clack 7, a second guide sleeve 9 which is in sliding fit with the first shaft rod 5 is arranged on one side of the positioning sleeve 3, and dustproof wire meshes 10 are respectively wrapped on the first guide sleeve 8 and the second guide sleeve 9; this technical scheme is through setting up first uide bushing on the valve clack and set up the second uide bushing on the position sleeve, makes second uide bushing and second shaft lever cooperation of sliding, makes the outer circumference cooperation of sliding of first uide bushing and support frame, improves the sharp precision of sliding of valve clack, in addition, wraps up dustproof silk screen on first uide bushing and second uide bushing, can effectually prevent in the solid particle entering first uide bushing and second uide bushing in the medium, has guaranteed the job stabilization nature of check valve.
And the second shaft lever 6 is sleeved with a power-assisted spring 11, two ends of the power-assisted spring respectively abut against the support frame 4 and the valve clack 7, and the power-assisted spring provides elastic pre-tightening force for the valve clack assembly to be always in contact with the valve seat.
The first guide sleeve 8 and the second guide sleeve 9 are respectively provided with a first through hole 12, a medium is pumped in or discharged from the first through hole when the first shaft lever slides in the first guide sleeve, and the second guide sleeve is based on the same principle, so that the stability of internal and external pressure is ensured.
The second guide sleeve 9 is provided with a first chamber 13 allowing the first shaft rod 5 to be in sliding fit and an adjusting chamber 14 communicated with the first chamber 13, the first through hole 12 is located in the side wall of the first chamber 13 and is communicated with the outside, a communicating hole 15 for connecting the first chamber and the second chamber is arranged between the adjusting chamber 14 and the first chamber 13, an adjusting screw 16 which is inserted into the adjusting chamber 14 and is in threaded fit is arranged in the adjusting chamber 14, the end part of the adjusting screw 16 blocks the communicating hole 15, the side wall of the adjusting chamber 14 is provided with a second through hole 17 communicated with the outside, the first through hole is arranged in the side wall of the second guide sleeve, the second shaft rod can cover the first through hole when sliding, so that the first through hole cannot be subjected to medium circulation, therefore, the communicating hole needs to be arranged at the end part of the second guide sleeve to be communicated with the adjusting chamber, the adjusting screw can change the blocking degree of the communicating hole by adjusting the depth position, the second through hole is arranged in the side wall of the adjusting chamber, the medium flow direction is prevented from being directly opposite to the medium flow direction, and the working stability of the second guide sleeve is guaranteed.
The first through holes 12 and the second through holes are within the coverage of the dust-proof screen 10.
The dustproof wire mesh 10 is a fine mesh wire mesh, so that small particles are prevented from entering.
The valve seat 2 is a conical surface, the sealing surface of the valve clack 7, which is in contact with the valve seat 2, is a spherical surface, so that the valve seat and the valve clack are easy to seal, STL hard alloy is welded on the sealing surface of the valve seat 2 and the valve clack 7, which are in contact with each other, so that the valve seat is wear-resistant and scouring-resistant, and the service life is prolonged.
The valve body 1 is made of high-temperature resistant austenitic stainless steel and can bear high-temperature media.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.
The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited to the embodiments, and any modifications that utilize the inventive concepts are intended to be included within the scope of the appended claims.
Claims (8)
1. Axial-flow type check valve, it includes valve body (1), sets up disk seat (2) in valve body (1) and sets up in valve body (1) and the valve clack subassembly that corresponds with disk seat (2), its characterized in that: be equipped with position sleeve (3) and support frame (4) that the heart set up in valve body (1), the valve clack subassembly includes with position sleeve (3) the complex first shaft pole (5) that slides, with support frame (4) the complex second shaft pole (6) that slides and be located valve clack (7) in the middle of first shaft pole (5) and second shaft pole (6), one side of valve clack (7) is equipped with slides complex first uide bushing (8) with support frame (4), position sleeve (3) one side is equipped with slides complex second uide bushing (9) with first shaft pole (5), wrap up dust screen (10) on first uide bushing (8) and second uide bushing (9) respectively.
2. The axial flow check valve of claim 1, wherein: and the second shaft lever (6) is sleeved with a power-assisted spring (11) of which two ends respectively abut against the support frame (4) and the valve clack (7).
3. The axial flow check valve of claim 1, wherein: the first guide sleeve (8) and the second guide sleeve (9) are respectively provided with a first through hole (12).
4. The axial flow check valve of claim 3, wherein: the second guide sleeve (9) is provided with a first chamber (13) allowing the first shaft rod (5) to be in sliding fit and an adjusting chamber (14) communicated with the first chamber (13), the first through hole (12) is formed in the side wall of the first chamber (13) and is communicated with the outside, a communicating hole (15) for connecting the first chamber (13) and the adjusting chamber (14) is formed between the adjusting chamber (14) and the first chamber (13), an adjusting screw (16) which is inserted into the adjusting chamber (14) and is in threaded fit is arranged in the adjusting chamber (14), the end of the adjusting screw (16) blocks the communicating hole (15), and the side wall of the adjusting chamber (14) is provided with a second communicating hole (17) for communicating the outside.
5. The axial flow check valve of claim 4, wherein: the first through hole (12) and the second through hole are both in the coverage range of the dustproof screen (10).
6. The axial flow check valve of claim 1, wherein: the dustproof wire mesh (10) is made of fine mesh wire mesh.
7. The axial flow check valve of claim 1, wherein: the valve seat (2) is a conical surface, the sealing surface of the valve clack (7) contacting with the valve seat (2) is a spherical surface, and STL hard alloy is welded on the sealing surface of the valve seat (2) and the valve clack (7) contacting with each other.
8. The axial flow check valve of claim 1, wherein: the valve body (1) is made of high-temperature resistant austenitic stainless steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221962358.9U CN217842816U (en) | 2022-07-28 | 2022-07-28 | Axial flow type check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221962358.9U CN217842816U (en) | 2022-07-28 | 2022-07-28 | Axial flow type check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217842816U true CN217842816U (en) | 2022-11-18 |
Family
ID=84039386
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221962358.9U Active CN217842816U (en) | 2022-07-28 | 2022-07-28 | Axial flow type check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217842816U (en) |
-
2022
- 2022-07-28 CN CN202221962358.9U patent/CN217842816U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |