CN214662269U - Adjustable fixed prevents leaking check valve - Google Patents
Adjustable fixed prevents leaking check valve Download PDFInfo
- Publication number
- CN214662269U CN214662269U CN202120301870.8U CN202120301870U CN214662269U CN 214662269 U CN214662269 U CN 214662269U CN 202120301870 U CN202120301870 U CN 202120301870U CN 214662269 U CN214662269 U CN 214662269U
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- Prior art keywords
- valve
- hole
- clack
- fixedly connected
- valve body
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- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 25
- 238000005192 partition Methods 0.000 claims description 17
- 230000006978 adaptation Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000007788 liquid Substances 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
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Abstract
The utility model discloses an adjustable fixed prevent leaking check valve relates to check valve technical field, which comprises a valve body, the both sides difference fixedly connected with water inlet pipe and the outlet pipe of valve body, the equal fixedly connected with flange in one side of valve body is kept away from to water inlet pipe and outlet pipe, the top of valve body is equipped with the valve gap, the valve gap passes through fixing bolt and valve body fixed connection, the middle part fixedly connected with baffle of valve body, first through-hole has been seted up at the middle part of baffle, the baffle is close to water inlet pipe's one side and rotates and be connected with first valve clack, the second through-hole has been seted up at the middle part of first valve clack, one side that the baffle is close to the outlet pipe rotates and is connected with the second valve clack, the second valve clack is close to the first sealing washer of one side fixedly connected with of baffle, be equipped with the connecting rod between first valve clack and the second valve clack. The utility model discloses, the valve clack easy wear who has solved current adjustable check valve influences the relatively poor problem of leakproofness and valve gap leakproofness.
Description
Technical Field
The utility model relates to a check valve technical field, more specifically relate to an adjustable fixed prevent leaking check valve.
Background
The check valve is a valve whose opening and closing part is a circular valve clack and acts by its own weight and medium pressure to block the medium from flowing backwards, and belongs to the automatic valve class, also called check valve, one-way valve, backflow valve or isolating valve. The valve clack motion mode is divided into lifting type and swing type. The lift check valve is similar in structure to the stop valve and only lacks a valve rod that drives the valve flap. The medium flows in from the inlet end and flows out from the outlet end. The valve is opened when the inlet pressure is greater than the sum of the weight of the flap and its flow resistance.
In chinese utility model patent application no: the utility model discloses an adjustable check valve, this adjustable check valve, including the valve body, the one end of valve body is the feed liquor flange, and the other end of valve body is for going out the liquid flange, one side inner wall that the top of valve body is close to the feed liquor flange has the rocker through the hub connection, the bottom outer wall of rocker has the valve plate through the hub connection, and the inner wall joint of valve plate has the valve clack, the outer wall joint of valve clack is on the tip inner wall of feed liquor flange, one side inner wall that the valve body is close to the liquid flange is equipped with the current-limiting and turns over the board. This adjustable check valve, the valve clack aperture is less, and the fluid through the check valve can be continuous erodees the valve clack, easily leads to the valve clack wearing and tearing to influence its leakproofness, the leakproofness between the device valve gap and the valve body is relatively poor simultaneously.
Therefore, there is a need for an adjustably seated leak-proof check valve that solves the above problems.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to provide a: the relatively poor problem of valve clack easy wear influence leakproofness and valve gap leakproofness in order to solve current adjustable check valve, the utility model provides an adjustable fixed prevent leaking check valve.
(II) technical scheme
The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:
an adjustable and fixed anti-leakage check valve comprises a valve body, wherein both sides of the valve body are respectively and fixedly connected with a water inlet pipe orifice and a water outlet pipe, flanges are fixedly connected with one sides of the water inlet pipe orifice and the water outlet pipe far away from the valve body, a valve cover is arranged at the top end of the valve body, the valve cover is fixedly connected with the valve body through a fixing bolt, the middle part of the valve body is fixedly connected with a clapboard, a first through hole is arranged in the middle of the clapboard, one side of the clapboard close to the water inlet pipe orifice is rotationally connected with a first valve clack, a second through hole is arranged in the middle of the first valve clack, one side of the clapboard close to the water outlet pipe is rotationally connected with a second valve clack, one side of the second valve flap, which is close to the partition plate, is fixedly connected with a first sealing ring, a connecting rod is arranged between the first valve flap and the second valve flap, one end of the connecting rod is rotatably connected with the first valve clack, and the other end of the connecting rod is rotatably connected with the second valve clack.
Furthermore, the positions of the first valve clack and the second valve clack correspond to the first through hole, and the connecting rod penetrates through the partition plate through the first through hole.
Further, the diameter of the first valve clack is larger than that of the first through hole, and the diameter of the second through hole is smaller than that of the first through hole.
Further, the diameter of the second valve clack is larger than that of the first through hole, and the diameter of the first sealing ring is larger than that of the first through hole.
Further, both sides of the bottom end of the valve cover are provided with arc-shaped blocks, and the middle of the bottom end of the valve cover is provided with a trapezoidal block.
Furthermore, a limiting sliding groove is formed in the bottom end of the valve cover, a limiting sliding block is fixedly connected to the top end of the arc-shaped block, the limiting sliding block is matched with the limiting sliding groove, and the arc-shaped block is connected with the valve cover in a sliding mode through the limiting sliding block.
And furthermore, second sealing rings are sleeved on the outer sides of the two arc-shaped blocks, and the diameters of the second sealing rings are matched with the inner diameter of the top end of the valve body.
Further, trapezoidal piece and arc piece sliding connection, the bottom middle part of trapezoidal piece has seted up the recess, the inboard fixedly connected with sealing strip of recess.
(III) advantageous effects
The utility model has the advantages as follows:
1. the utility model discloses, through setting up baffle, first valve clack, second valve clack and connecting rod, under the impact of fluid matter, first valve clack is hugged closely in one side of baffle, under the effect of connecting rod, makes the second valve clack keep away from first through-hole to reduce the fluid matter and erode the second valve clack when first through-hole, reduce the wearing and tearing of first sealing washer, solved the problem that the valve clack easily wears and degrades the influence leakproofness.
2. The utility model discloses, through setting up baffle, arc piece, second sealing washer and recess, can compress tightly the second sealing washer, increase the leakproofness between valve gap and the valve body, solved the relatively poor problem of valve gap leakproofness.
Drawings
Fig. 1 is a schematic perspective view of the structure of the present invention;
FIG. 2 is a schematic perspective sectional view of the structure of the present invention;
FIG. 3 is a schematic perspective view of a second valve flap according to the present invention;
fig. 4 is a schematic perspective sectional view of the valve cover of the present invention.
Reference numerals: 1. fixing the bolt; 2. a valve cover; 3. a valve body; 4. a water inlet pipe orifice; 5. a flange; 6. a water outlet pipe; 8. a partition plate; 10. a first through hole; 11. a first valve flap; 12. a second valve flap; 13. a first seal ring; 14. a connecting rod; 15. a second through hole; 16. a trapezoidal block; 17. a sealing strip; 18. a limiting slide block; 19. a limiting chute; 20. an arc-shaped block; 21. a second seal ring; 22. and (4) a groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1-3, an adjustable and fixed anti-leakage check valve comprises a valve body 3, a water inlet pipe 4 and a water outlet pipe 6 are fixedly connected to two sides of the valve body 3 respectively, a flange 5 is fixedly connected to both sides of the water inlet pipe 4 and the water outlet pipe 6 far away from the valve body 3, a valve cover 2 is arranged at the top end of the valve body 3, the valve cover 2 is fixedly connected to the valve body 3 through a fixing bolt 1, a partition plate 8 is fixedly connected to the middle of the valve body 3, a first through hole 10 is formed in the middle of the partition plate 8, a first valve flap 11 is rotatably connected to one side of the partition plate 8 close to the water inlet pipe 4, a second through hole 15 is formed in the middle of the first valve flap 11, the diameter of the first valve flap 11 is larger than that of the first through hole 10, the diameter of the second through hole 15 is smaller than that of the first through hole 10, a second valve flap 12 is rotatably connected to one side of the partition plate 8 close to the water outlet pipe 6, a first sealing ring 13 is fixedly connected to one side of the second valve flap 12 close to the partition plate 8, the diameter of second valve clack 12 is greater than the diameter of first through-hole 10, and the diameter of first sealing washer 13 is greater than the diameter of first through-hole 10, is equipped with connecting rod 14 between first valve clack 11 and the second valve clack 12, and the one end of connecting rod 14 is connected with first valve clack 11 is rotated, and the other end and the second valve clack 12 of connecting rod 14 are rotated and are connected, and the position of first valve clack 11 and second valve clack 12 all is corresponding with first through-hole 10, and connecting rod 14 runs through baffle 8 through first through-hole 10.
In this embodiment, by providing the partition plate 8, the first valve flap 11, the second valve flap 12 and the connecting rod 14, when the pressure of the water inlet pipe orifice 4 is relatively high, the fluid rushes the second valve flap 12, the second valve flap 12 rotates away from the first through hole 10, and the connecting rod 14 drives the first valve flap 11 to rotate towards the first through hole 10, under the impact of the fluid, the first valve flap 11 is tightly attached to one side of the partition plate 8, under the action of the connecting rod 14, the second valve flap 12 is far away from the first through hole 10, so as to reduce the erosion of the second valve flap 12 when the fluid passes through the first through hole 10, reduce the abrasion of the first sealing ring 13, when the pressure of the water outlet pipe 6 is relatively high, because the diameter of the second through hole 15 is smaller than the diameter of the first through hole 10, the fluid rushes the first valve flap 11, the first valve flap 11 rotates away from the first through hole 10, and drives the second valve flap 12 to rotate towards the first through hole 10 through the connecting rod 14, under the action of the first sealing ring 13, the partition plate 8 is sealed with the second valve clack 12, so that backflow is avoided, and the problem that the valve clack is easy to wear and affects sealing performance is solved.
Example 2
Referring to fig. 1 and 4, the present embodiment is further optimized based on embodiment 1, specifically, arc-shaped blocks 20 are disposed on both sides of the bottom end of the valve cover 2, and a trapezoid block 16 is disposed in the middle of the bottom end of the valve cover 2.
Specifically, the bottom of valve gap 2 has been seted up spacing spout 19, and the top fixedly connected with of arc piece 20 spacing slider 18, spacing slider 18 and 19 looks adaptations of spacing spout, and arc piece 20 passes through spacing slider 18 and valve gap 2 sliding connection.
Specifically, the outer sides of the two arc-shaped blocks 20 are sleeved with second sealing rings 21, and the diameters of the second sealing rings 21 are matched with the inner diameter of the top end of the valve body 3.
Specifically, trapezoidal piece 16 and arc piece 20 sliding connection, the recess 22 has been seted up at the bottom middle part of trapezoidal piece 16, and the inboard fixedly connected with sealing strip 17 of recess 22.
In this embodiment, through setting up baffle 8, arc piece 20, second sealing washer 21 and recess 22, when fixed valve gap 2, insert valve body 3 with valve gap 2's bottom, then screw fixing bolt 1, when fixing bolt 1 makes screwing, baffle 8 promotes trapezoidal piece 16 upward movement, under trapezoidal piece 16's effect, make two arc pieces 20 slide to both sides respectively, under arc piece 20's effect, compress tightly second sealing washer 21, increase the leakproofness between valve gap 2 and the valve body 3, under the effect of sealing strip 17, the leakproofness between multiplicable trapezoidal piece 16 and the baffle 8, the relatively poor problem of valve gap 2 leakproofness has been solved.
In summary, the following steps: the utility model discloses, the valve clack easy wear who has solved current adjustable check valve influences the relatively poor problem of leakproofness and valve gap leakproofness.
Above, only be the preferred embodiment of the present invention, not be used for limiting the present invention, the patent protection scope of the present invention is based on the claims, all the structural changes equivalent to the content of the description and drawings of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. An adjustable fixed prevents leaking check valve, includes valve body (3), its characterized in that: the water-saving valve is characterized in that the two sides of the valve body (3) are respectively fixedly connected with a water inlet pipe orifice (4) and a water outlet pipe (6), one side, far away from the valve body (3), of the water inlet pipe orifice (4) and the water outlet pipe (6) is fixedly connected with a flange (5), the top end of the valve body (3) is provided with a valve cover (2), the valve cover (2) is fixedly connected with the valve body (3) through a fixing bolt (1), the middle part of the valve body (3) is fixedly connected with a partition plate (8), the middle part of the partition plate (8) is provided with a first through hole (10), one side, close to the water inlet pipe orifice (4), of the partition plate (8) is rotatably connected with a first valve clack (11), the middle part of the first valve clack (11) is provided with a second through hole (15), one side, close to the water outlet pipe (6), of the partition plate (8) is rotatably connected with a second valve clack (12), one side, close to the partition plate (8), is fixedly connected with a first sealing ring (13), be equipped with connecting rod (14) between first valve clack (11) and second valve clack (12), the one end and first valve clack (11) of connecting rod (14) are rotated and are connected, the other end and the second valve clack (12) of connecting rod (14) are rotated and are connected.
2. An adjustably secured leak-resistant check valve as defined in claim 1, wherein: the positions of the first valve clack (11) and the second valve clack (12) correspond to the first through hole (10), and the connecting rod (14) penetrates through the partition plate (8) through the first through hole (10).
3. An adjustably secured leak-resistant check valve as defined in claim 1, wherein: the diameter of the first valve clack (11) is larger than that of the first through hole (10), and the diameter of the second through hole (15) is smaller than that of the first through hole (10).
4. An adjustably secured leak-resistant check valve as defined in claim 1, wherein: the diameter of the second valve clack (12) is larger than that of the first through hole (10), and the diameter of the first sealing ring (13) is larger than that of the first through hole (10).
5. An adjustably secured leak-resistant check valve as defined in claim 1, wherein: both sides of the bottom end of the valve cover (2) are provided with arc-shaped blocks (20), and the middle part of the bottom end of the valve cover (2) is provided with a trapezoidal block (16).
6. An adjustably secured leak-resistant check valve as set forth in claim 5 wherein: spacing spout (19) have been seted up to the bottom of valve gap (2), the top fixedly connected with spacing slider (18) of arc piece (20), spacing slider (18) and spacing spout (19) looks adaptation, arc piece (20) are through spacing slider (18) and valve gap (2) sliding connection.
7. An adjustably secured leak-resistant check valve as set forth in claim 6 wherein: and the outer sides of the two arc-shaped blocks (20) are sleeved with second sealing rings (21), and the diameters of the second sealing rings (21) are matched with the inner diameter of the top end of the valve body (3).
8. An adjustably secured leak-resistant check valve as set forth in claim 5 wherein: trapezoidal piece (16) and arc piece (20) sliding connection, the bottom middle part of trapezoidal piece (16) is seted up flutedly (22), the inboard fixedly connected with sealing strip (17) of flutedly (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120301870.8U CN214662269U (en) | 2021-02-03 | 2021-02-03 | Adjustable fixed prevents leaking check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120301870.8U CN214662269U (en) | 2021-02-03 | 2021-02-03 | Adjustable fixed prevents leaking check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214662269U true CN214662269U (en) | 2021-11-09 |
Family
ID=78445665
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120301870.8U Expired - Fee Related CN214662269U (en) | 2021-02-03 | 2021-02-03 | Adjustable fixed prevents leaking check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214662269U (en) |
-
2021
- 2021-02-03 CN CN202120301870.8U patent/CN214662269U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211109 |