CN219954321U - Stainless steel swing check valve - Google Patents
Stainless steel swing check valve Download PDFInfo
- Publication number
- CN219954321U CN219954321U CN202321031243.2U CN202321031243U CN219954321U CN 219954321 U CN219954321 U CN 219954321U CN 202321031243 U CN202321031243 U CN 202321031243U CN 219954321 U CN219954321 U CN 219954321U
- Authority
- CN
- China
- Prior art keywords
- wall
- stainless steel
- check valve
- swing check
- steel swing
- 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.)
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Links
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 57
- 239000010935 stainless steel Substances 0.000 title claims abstract description 57
- 238000007789 sealing Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
Landscapes
- Check Valves (AREA)
Abstract
The utility model relates to the technical field of check valves, in particular to a stainless steel swing check valve, which comprises a top cover, wherein a clamping mechanism is arranged on the inner wall of the top cover, a stainless steel swing check valve main body is sleeved on the outer wall of the top cover, a limiting plate is fixedly connected to the bottom of the top cover, a bent rod is rotatably connected to the positive end surface of the limiting plate, a round rod is connected to the inner wall of the bent rod through threads, a valve clack is fixedly connected to one end of the round rod, and a first nut is connected to the outer wall of the round rod through threads. Through driving the threaded rod to rotate, the threaded rod drives the diaphragm and moves, and the diaphragm drives the connecting rod and drives the slider outwards to move, and the slider is in the same place with the inboard joint of stainless steel swing check valve main part, and the slider cooperation stainless steel swing check valve main part is fixed to the top cap, and this kind of fixed mode has replaced original bolt fastening mode, makes things convenient for the top cap to dismantle, has promoted the maintenance efficiency of stainless steel swing check valve main part inner structure.
Description
Technical Field
The utility model relates to the technical field of check valves, in particular to a stainless steel swing check valve.
Background
The check valve is a valve with a circular valve clack and used for blocking the backflow of medium by the action of self weight and medium pressure, and belongs to automatic valves, which are also called check valve, one-way valve, reflux valve or isolation valve.
For example, the patent publication number CN209213092U is named a stainless steel swing check valve, although the stainless steel swing check valve reduces leakage points generated by fixing the pin on the side wall of the valve body, the tightness of the stainless steel swing check valve provided by the utility model is further increased, but the existing check valve still exists in the use process, the valve clack is driven to rotate anticlockwise by water flow impact, the valve clack is in an open state, water flow can normally pass through, the valve clack rotates clockwise by water flow impact, the valve clack is attached to the sealing ring, backflow of water is prevented, when damage occurs in the check valve, the top cover needs to be opened to maintain the interior of the check valve, the top cover is fixed with the valve body through a plurality of bolts, the fixing mode of the bolts is complex, and the maintenance efficiency in the valve body is reduced.
Disclosure of Invention
The utility model aims to solve the problem that the top cover is fixed with the valve body through the opposite bolts, the fixing mode of the bolts is complicated, the maintenance efficiency inside the valve body is reduced, and the stainless steel swing check valve is provided.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a stainless steel swing check valve, includes the top cap, the inner wall of top cap is equipped with joint mechanism, the outer wall of top cap has cup jointed stainless steel swing check valve main part, the bottom rigid coupling of top cap has the limiting plate, the positive terminal surface rotation of limiting plate links to each other has the bent rod, the inner wall screw thread of bent rod has connected the round bar, the one end rigid coupling of round bar has the valve clack, the outer wall screw thread of round bar has connected first nut.
Preferably, the clamping mechanism comprises a threaded rod, a transverse plate, a connecting rod and a sliding block;
the outer wall of threaded rod links to each other with the inner wall rotation of top cap, the outer wall of threaded rod and the inner wall screw thread of diaphragm meet, the positive terminal surface of diaphragm links to each other with the one end rotation of connecting rod, the one end of connecting rod links to each other with the positive terminal surface rotation of slider, the outer wall of slider and the inner wall slip joint of top cap.
Preferably, the outer side of the sliding block is clamped with the inner wall of the stainless steel swing check valve main body.
Preferably, one side of the first nut is attached to one side of the bent rod, and one side of the valve clack is attached to a sealing rubber ring.
Preferably, the outer wall of the sealing rubber ring is fixedly connected with the inner wall of the stainless steel swing check valve main body, the inner wall of the stainless steel swing check valve main body is sleeved with a bolt, and the outer wall of the bolt is in threaded connection with a second nut.
The stainless steel swing check valve provided by the utility model has the beneficial effects that: through driving the threaded rod to rotate, the threaded rod drives the diaphragm and moves, and the diaphragm drives the connecting rod and drives the slider outwards to move, and the slider is in the same place with the inboard joint of stainless steel swing check valve main part, and the slider cooperation stainless steel swing check valve main part is fixed to the top cap, and this kind of fixed mode has replaced original bolt fastening mode, makes things convenient for the top cap to dismantle, has promoted the maintenance efficiency of stainless steel swing check valve main part inner structure.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the connection structure of the threaded rod, cross plate and connecting rod of FIG. 1;
FIG. 3 is an enlarged schematic view of the portion A in FIG. 1;
fig. 4 is an enlarged schematic view of the round bar, the valve flap and the first nut of fig. 1.
In the figure: 1. top cap, 2, joint mechanism, 201, threaded rod, 202, diaphragm, 203, connecting rod, 204, slider, 2a1, spout, 2a2, gyro wheel, 3, stainless steel swing check valve main part, 4, limiting plate, 5, curved bar, 6, round bar, 7, valve clack, 8, first nut, 9, sealing rubber circle, 10, bolt, 11, second nut.
Description of the embodiments
The utility model is further described below with reference to the accompanying drawings:
referring to fig. 1-4: in this embodiment 1, a stainless steel swing check valve, including top cap 1, the inner wall of top cap 1 is equipped with joint mechanism 2, joint mechanism 2 is fixed to top cap 1, stainless steel swing check valve main part 3 has been cup jointed to the outer wall of top cap 1, stainless steel swing check valve main part 3 is spacing to top cap 1, limiting plate 4 has been fixedly connected to the bottom of top cap 1, the positive terminal surface rotation of limiting plate 4 has bent rod 5 to being linked to, limiting plate 4 is spacing to bent rod 5, the inner wall screw thread of bent rod 5 has connected round bar 6, bent rod 5 is spacing to round bar 6, the one end rigid coupling of round bar 6 has valve clack 7, round bar 6 drives valve plate 7 rotation, the outer wall screw thread of round bar 6 has connected first nut 8, round bar 6 is spacing to first nut 8.
The clamping mechanism 2 comprises a threaded rod 201, a transverse plate 202, a connecting rod 203 and a sliding block 204, wherein the outer wall of the threaded rod 201 is rotationally connected with the inner wall of the top cover 1, the top cover 1 limits the threaded rod 201, the outer wall of the threaded rod 201 is in threaded connection with the inner wall of the transverse plate 202, the threaded rod 201 drives the transverse plate 202 to move, the positive end surface of the transverse plate 202 is rotationally connected with one end of the connecting rod 203, the transverse plate 202 drives the connecting rod 203 to move, one end of the connecting rod 203 is rotationally connected with the positive end surface of the sliding block 204, the connecting rod 203 drives the sliding block 204 to move, the outer wall of the sliding block 204 is in sliding clamping connection with the inner wall of the top cover 1, the top cover 1 limits the sliding block 204, the outer side of the sliding block 204 is in clamping connection with the inner wall of the stainless steel swing check valve body 3, and the sliding block 204 is matched with the stainless steel swing check valve body 3 to fix the top cover 1;
the threaded rod 201 is driven to rotate, the threaded rod 201 drives the transverse plate 202 to move, the transverse plate 202 drives the connecting rod 203 to move the connecting rod 203 to drive the sliding block 204 to move outwards, the sliding block 204 is clamped with the inner side of the stainless steel swing check valve main body 3, the sliding block 204 is matched with the stainless steel swing check valve main body 3 to fix the top cover 1, the original bolt fixing mode is replaced by the fixing mode, the top cover 1 is convenient to detach, and the maintenance efficiency of the internal structure of the stainless steel swing check valve main body 3 is improved.
One side of the first nut 8 is attached to one side of the bent rod 5, the round rod 6 is fixed to the bottom of the bent rod 5 through the first nut 8, the sealing rubber ring 9 is attached to one side of the valve clack 7, the sealing rubber ring 9 seals the joint of the valve plate 7 and the stainless steel swing check valve body 3, the outer wall of the sealing rubber ring 9 is fixedly connected with the inner wall of the stainless steel swing check valve body 3, the stainless steel swing check valve body 3 is fixed to the sealing rubber ring 9, the bolt 10 is sleeved on the inner wall of the stainless steel swing check valve body 3, the stainless steel swing check valve body 3 is limited to the bolt 10, the second nut 11 is connected to the outer wall thread of the bolt 10, and the bolt 10 is limited to the second nut 11.
Working principle:
the top cover 1 is placed inside the stainless steel swing check valve body 1 together with the limiting plate 4 and the bent rod 5 at the bottom, the threaded rod 201 is driven to rotate, the threaded rod 201 drives the transverse plate 202 to move, the transverse plate 202 drives the connecting rod 203 to drive the sliding block 204 to move outwards, the sliding block 204 is clamped with the inner side of the stainless steel swing check valve body 3, the sliding block 204 is matched with the stainless steel swing check valve body 3 to fix the top cover 1, the original bolt fixing mode is replaced by the fixing mode, the top cover 1 is convenient to detach, water flow enters from the left side of the stainless steel swing check valve body 3, the water flow pushes the valve clack 7 to rotate anticlockwise, the valve clack 7 does not flow out of the stainless steel swing check valve body 3, when water flow flows in from the right side of the stainless steel swing check valve body 3, the water flow pushes the valve clack 7 to rotate clockwise, the valve clack 7 is matched with the sealing rubber ring 9 to seal the stainless steel swing check valve body 3, water flow is prevented from flowing backwards, the bottom of the top cover 1 is driven by the limiting plate 4 to move anticlockwise, the second bolt 11 is matched with the stainless steel swing check valve body 3, and the stainless steel swing check valve body 11 is connected with the stainless steel swing check valve body 11, and the stainless steel swing check valve body is convenient to detach the stainless steel swing check valve body 11.
Examples
Referring to fig. 2, the present utility model provides a technical solution: the stainless steel swing check valve comprises a clamping mechanism 2, wherein the clamping mechanism also comprises a sliding groove 2a1 and a roller 2a2, the sliding groove 2a1 is machined on the inner wall of the top cover 1, the inner wall of the sliding groove 2a1 is in sliding clamping connection with the outer wall of the roller 2a2, the sliding groove 2a1 limits the roller 2a2, the positive end surface of the roller 2a2 is rotationally connected with the top of the sliding block 204, and the roller 2a2 limits the sliding block 204;
the sliding groove 2a1 limits the roller 2a2, the roller 2a2 limits the sliding block 204, and the sliding block 204 replaces sliding friction by rolling friction, so that the sliding block 204 operates more stably.
Working principle:
the sliding groove 2a1 limits the roller 2a2, the roller 2a2 limits the sliding block 204, and the sliding block 204 replaces sliding friction by rolling friction, so that the sliding block 204 operates more stably.
While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.
Claims (5)
1. The utility model provides a stainless steel swing check valve, includes top cap (1), its characterized in that: the inner wall of top cap (1) is equipped with joint mechanism (2), the outer wall of top cap (1) has cup jointed stainless steel swing check valve main part (3), the bottom rigid coupling of top cap (1) has limiting plate (4), the positive terminal surface rotation of limiting plate (4) is connected with bent rod (5), the inner wall screw thread of bent rod (5) has connected round bar (6), the one end rigid coupling of round bar (6) has valve clack (7), the outer wall screw thread of round bar (6) has connected first nut (8).
2. A stainless steel swing check valve according to claim 1, wherein: the clamping mechanism (2) comprises a threaded rod (201), a transverse plate (202), a connecting rod (203) and a sliding block (204);
the outer wall of threaded rod (201) rotates with the inner wall of top cap (1) and links to each other, the outer wall of threaded rod (201) and the inner wall screw thread of diaphragm (202) meet, the positive terminal surface of diaphragm (202) rotates with the one end of connecting rod (203) and links to each other, the one end of connecting rod (203) rotates with the positive terminal surface of slider (204) and links to each other, the outer wall of slider (204) slides the joint with the inner wall of top cap (1).
3. A stainless steel swing check valve according to claim 2, wherein: the outer side of the sliding block (204) is clamped with the inner wall of the stainless steel swing check valve main body (3).
4. A stainless steel swing check valve according to claim 1, wherein: one side of the first nut (8) is attached to one side of the bent rod (5), and one side of the valve clack (7) is attached to a sealing rubber ring (9).
5. A stainless steel swing check valve according to claim 4, wherein: the outer wall of the sealing rubber ring (9) is fixedly connected with the inner wall of the stainless steel swing check valve main body (3), a bolt (10) is sleeved on the inner wall of the stainless steel swing check valve main body (3), and a second nut (11) is connected with the outer wall of the bolt (10) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321031243.2U CN219954321U (en) | 2023-05-04 | 2023-05-04 | Stainless steel swing check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321031243.2U CN219954321U (en) | 2023-05-04 | 2023-05-04 | Stainless steel swing check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219954321U true CN219954321U (en) | 2023-11-03 |
Family
ID=88550001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321031243.2U Active CN219954321U (en) | 2023-05-04 | 2023-05-04 | Stainless steel swing check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219954321U (en) |
-
2023
- 2023-05-04 CN CN202321031243.2U patent/CN219954321U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wenzhou Xiangtai Valve Technology Co.,Ltd. Assignor: Zhejiang Xintai Valve Technology Co.,Ltd. Contract record no.: X2024980010783 Denomination of utility model: A stainless steel swing check valve Granted publication date: 20231103 License type: Common License Record date: 20240726 |