CN219655346U - Butt-clamping check valve - Google Patents
Butt-clamping check valve Download PDFInfo
- Publication number
- CN219655346U CN219655346U CN202321309235.XU CN202321309235U CN219655346U CN 219655346 U CN219655346 U CN 219655346U CN 202321309235 U CN202321309235 U CN 202321309235U CN 219655346 U CN219655346 U CN 219655346U
- Authority
- CN
- China
- Prior art keywords
- valve
- valve body
- valve clack
- water conservancy
- conservancy diversion
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- 238000006073 displacement reaction Methods 0.000 claims 1
- 229920001971 elastomer Polymers 0.000 claims 1
- 239000000806 elastomer Substances 0.000 claims 1
- 230000002035 prolonged effect Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Landscapes
- Check Valves (AREA)
Abstract
The utility model relates to a valve, in particular to a butt-clamping type check valve, which comprises a valve body, a valve clack, a flow guide frame and an elastic body, wherein the flow guide frame comprises a flow guide surface and a guide shaft, the flow guide surface is an annular body, the longitudinal section of the flow guide surface is a truncated cone, a connecting hole extending along the axial direction is formed in the center of the guide shaft, the guide shaft is positioned in an inner cavity of the flow guide surface, the valve clack comprises a valve clack body and a connecting rod, the flow guide frame is connected to the inner cavity of the valve body, a gap is reserved between the outer wall of the flow guide surface and the inner wall of the valve body, the connecting rod is arranged in the connecting hole, the valve clack body is matched with the inner wall of a medium inlet end of the valve body, the valve clack body is used for sealing the medium inlet end of the valve body, the elastic body is arranged between the guide shaft and the valve clack body, and the elastic body is used for resetting the valve clack. The valve clack body moves stably, the valve clack body is prevented from tilting, and the service life is prolonged.
Description
Technical Field
The utility model relates to a valve, in particular to a butt-clamping type check valve.
Background
The check valve belongs to the class of automatic valves and is mainly suitable for the inside of a pipeline with unidirectional circulation.
The opposite clamping type check valve belongs to one kind of check valve, and different materials are selected to make the medium inside water, steam and the like.
For the common swing type and lifting type check valves, the valve clack is often not completely opened, the medium flows unstably, the flow resistance is large, the mechanical vibration is easy to occur, and the like, so that the flow speed of the medium is influenced, and the fluid resistance is increased. Meanwhile, when the common check valve is used, the medium flows unstably and easily to cause the inclination of the valve clack, so that the sealing performance is poor.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a butt-clamping type check valve which enables a valve clack body to move stably, prevents the valve clack body from tilting and prolongs the service life.
In order to solve the technical problems, the utility model provides the following technical scheme:
the utility model discloses a butt-clamping type check valve, which comprises a valve body, a valve clack, a flow guide frame and an elastic body, wherein one end of the valve body is a medium inlet end, the other end of the valve body is a medium outlet end, the inner diameter of the medium inlet end of the valve body is smaller than that of the middle part of the valve body, the flow guide frame comprises a flow guide surface and a guide shaft, the flow guide surface is an annular body, the longitudinal section of the flow guide surface is a conical frustum, a connecting hole extending along the axial direction is formed in the center of the guide shaft, the guide shaft is positioned in an inner cavity of the flow guide surface, the guide shaft and the flow guide surface are coaxially arranged, the valve clack comprises a valve clack body and a connecting rod, the flow guide frame is connected to the inner cavity of the valve body, a gap is reserved between the outer wall of the flow guide surface and the inner wall of the valve body, the connecting rod is arranged in the connecting hole, the connecting rod is suitable for axially moving relative to the connecting hole, the valve clack body is positioned in the position close to the medium outlet end of the valve body, the valve clack body is suitable for the inner wall of the medium inlet end of the valve body, the valve body is used for sealing the medium inlet end of the valve body, the valve clack body is arranged between the elastic body and the valve clack.
Further, the water conservancy diversion frame still includes the mounting panel, the mounting panel is the ring, the mounting panel cover is located the water conservancy diversion face is peripheral, the mounting panel through a plurality of connecting rods with the water conservancy diversion face one end of guiding axle is connected, the valve body keep away from be provided with mounting groove on the one end terminal surface of valve clack, the mounting panel is located mounting groove, the mounting panel with the valve body is connected through a plurality of bolts.
Further, the elastic body is a spring, and the elastic body is sleeved on the connecting rod.
Further, the inner wall of the valve body is in a circular arc shape with two protruding ends and a concave middle part.
Further, the end face of the valve clack body facing the medium inlet end is rounded
The utility model relates to a butt-clip type check valve, wherein
Compared with the prior art, the butt-clamping type check valve has at least the following beneficial effects:
the opposite clamping type check valve is opened, and the guide frame comprises the guide surface and the guide shaft, wherein the guide surface is an annular body, and a medium flows through the inner cavity of the guide surface and a gap between the guide surface and the inner wall of the valve body, so that the valve clack body is ensured to stably move, the medium entering the valve body uniformly flows, the valve clack body is uniformly stressed, the valve clack body is prevented from tilting, and the service life is prolonged.
The clip-on check valve of the present utility model will be further described with reference to the accompanying drawings.
Drawings
FIG. 1 is a top view of a clip-on check valve of the present utility model in a closed position;
FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;
fig. 3 is a sectional view showing an opened state of the double check valve of the present utility model.
Detailed Description
As shown in fig. 1, fig. 2 and fig. 3, the butt-clip type check valve comprises a valve body 1, a valve clack 2, a flow guiding frame 3 and an elastic body 4, wherein one end of the valve body 1 is a medium inlet end, the other end of the valve body is a medium outlet end, the inner diameter of the medium inlet end of the valve body 1 is smaller than that of the middle part, the flow guiding frame 3 comprises a flow guiding surface 32 and a guiding shaft 33, the flow guiding surface 32 is an annular body, the longitudinal section of the flow guiding surface 32 is a conical frustum, a connecting hole extending along the axial direction is arranged at the center of the guiding shaft 33, the guiding shaft 33 is positioned in the inner cavity of the flow guiding surface 32, the guiding shaft 33 and the flow guiding surface 32 are coaxially arranged, the valve clack 2 comprises a valve clack body 21 and a connecting rod 22, the flow guiding frame 3 is connected to the inner cavity of the valve body 1, a gap is reserved between the outer wall of the flow guiding surface 32 and the inner wall of the valve body 1, the connecting rod 22 is arranged in the connecting hole, the connecting rod 22 is suitable for moving axially relative to the connecting hole, the body 21 is positioned at the position of the inner cavity of the valve body 1 close to the medium inlet end, the valve clack body 21 is matched with the inner wall of the medium inlet end of the valve body 1, the valve clack body 21 is used for sealing the medium inlet end of the valve clack body 1, the elastic body 4 is arranged between the guiding shaft and the valve clack body 21 and the elastic body is used for resetting the valve clack 2. When the butt-clip type check valve is used, when a medium impacts the valve clack body 21 and compresses the elastic body 4, the valve clack body 21 moves towards the direction close to the flow guide frame 3, and the butt-clip type check valve is opened, because the flow guide frame 3 comprises the flow guide surface 32 and the guide shaft 33, the flow guide surface 32 is an annular body, the medium flows through the inner cavity of the flow guide surface 32 and the gap between the flow guide surface 32 and the inner wall of the valve body 1, the stable movement of the valve clack body 21 is ensured, the medium entering the valve body 1 uniformly flows, the stress of the valve clack body 21 is uniform, the inclination of the valve clack body 21 is prevented, and the service life is prolonged.
Optionally, the diversion frame 3 further includes a mounting plate 31, the mounting plate 31 is a ring, the periphery of the diversion surface 32 is sleeved with the mounting plate 31, the mounting plate 31 is connected with the diversion surface 32 and one end of the guiding shaft 33 through a plurality of connecting ribs 34, a mounting groove is formed in the end face of the medium outlet end of the valve body 1, the mounting plate 31 is located in the mounting groove, the mounting plate 31 is connected with the valve body 1 through a plurality of bolts 5, and the diversion frame 3 is connected with the valve body 1 through the mounting plate 31.
Alternatively, the elastic body 4 is a spring, and the elastic body 4 is sleeved on the connecting rod 22.
Alternatively, the inner wall of the valve body 1 is in a circular arc shape with both ends protruding and the middle part recessed, so that the resistance of the medium when the valve clack body 21 is opened is greatly reduced.
Optionally, the end face of the valve clack body 21 facing the medium inlet end is rounded, and the end face is matched with the circular arc inner wall of the valve body 1, so that the sealing effect of the butt-clamp type check valve is better.
The above examples are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solution of the present utility model should fall within the scope of protection defined by the claims of the present utility model without departing from the spirit of the present utility model.
Claims (5)
1. The utility model provides a butt clamp type check valve which is characterized in that, including valve body (1), valve clack (2), water conservancy diversion frame (3), elastomer (4), the one end of valve body (1) is the medium entry end, and the other end is the medium exit end, the internal diameter of the medium entry end tip of valve body (1) is less than the internal diameter in middle part, water conservancy diversion frame (3) are including water conservancy diversion face (32), guiding axle (33), water conservancy diversion face (32) are the ring body, the longitudinal section of water conservancy diversion face (32) is the circular cone frustum, guiding axle (33) center department is provided with the connecting hole that extends along the axis direction, guiding axle (33) are located water conservancy diversion face (32) inner chamber, guiding axle (33) with water conservancy diversion face (32) coaxial arrangement, valve clack (2) are including valve clack body (21), connecting rod (22), water conservancy diversion frame (3) are connected in valve body (1) inner chamber, there is the clearance between water conservancy diversion face (32) outer wall and the inner wall, connecting rod (22) set up in connecting hole (22) are located in the connecting rod body (21) are suitable for the valve body (1) is located in the axial displacement is said valve body (21) is located in the valve body is suitable for the valve body (1) is located the medium entry end mutually, the valve clack body (21) is used for sealing a medium inlet end of the valve body (1), the elastic body (4) is arranged between the guide shaft (33) and the valve clack body (21), and the elastic body (4) is used for resetting the valve clack (2).
2. The butt-clamping type check valve according to claim 1, wherein the flow guiding frame (3) further comprises a mounting plate (31), the mounting plate (31) is a circular ring, the mounting plate (31) is sleeved on the periphery of the flow guiding surface (32), the mounting plate (31) is connected with the flow guiding surface (32) and one end part of the guiding shaft (33) through a plurality of connecting ribs (34), a mounting groove is formed in one end face, far away from the valve clack (2), of the valve body (1), the mounting plate (31) is located in the mounting groove, and the mounting plate (31) is connected with the valve body (1) through a plurality of bolts (5).
3. A butt-clip type check valve according to claim 2, characterized in that the elastic body (4) is a spring, the elastic body (4) being sleeved on the connecting rod (22).
4. A butt-clip type check valve according to claim 3, wherein the inner wall of the valve body (1) is circular arc with convex ends and concave middle part.
5. A butt-clip type check valve according to claim 4, characterized in that the end face of the flap body (21) facing the medium inlet end is rounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321309235.XU CN219655346U (en) | 2023-05-25 | 2023-05-25 | Butt-clamping check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321309235.XU CN219655346U (en) | 2023-05-25 | 2023-05-25 | Butt-clamping check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219655346U true CN219655346U (en) | 2023-09-08 |
Family
ID=87880474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321309235.XU Active CN219655346U (en) | 2023-05-25 | 2023-05-25 | Butt-clamping check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219655346U (en) |
-
2023
- 2023-05-25 CN CN202321309235.XU patent/CN219655346U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |