CN214945361U - Pressure-reducing hydraulic control one-way valve - Google Patents
Pressure-reducing hydraulic control one-way valve Download PDFInfo
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- CN214945361U CN214945361U CN202120875325.XU CN202120875325U CN214945361U CN 214945361 U CN214945361 U CN 214945361U CN 202120875325 U CN202120875325 U CN 202120875325U CN 214945361 U CN214945361 U CN 214945361U
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- telescopic rod
- rivers
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Abstract
The utility model discloses a but pressure reduction hydraulic control check valve, the pressure limiting device comprises a water inlet pipe, inlet tube one end and valve body fixed connection, the inside one end of valve body is equipped with first step-down unit, the inboard middle part fixed mounting of valve body has the anti-backflow unit, anti-backflow unit lateral symmetry is equipped with second step-down unit, valve body one end and outlet pipe fixed connection, outlet pipe one end and third step-down unit when water pressure increases, promote first sliding block in the first step-down unit of first step-down unit through rivers to rivers water pressure reduces in the inflow valve body, promotes the case through rivers, makes rivers play the water pipe, and when rivers flow out the outlet pipe, rivers promote the fourth sliding plate in the third step-down unit, makes rivers outflow pressure reduce, prevents that water pressure is too big to make the valve body not hard up.
Description
Technical Field
The utility model relates to a check valve technical field specifically is a but hydraulic control check valve of pressure reduction.
Background
The check valve is commonly called as a check valve, fluid can only flow along the water inlet, and the medium at the water outlet cannot flow back. The check valve is also called as a check valve or a check valve and is used for preventing reverse flow of oil flow in a hydraulic system or preventing reverse flow of compressed air in a pneumatic system.
However, when the existing hydraulic control one-way valve is used, the internal pressure of the valve body is overlarge, and the valve body is damaged.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved by the utility model
An object of the utility model is to provide a can reduce pressure hydraulic control check valve to solve current hydraulic control check valve when using, can appear valve body internal pressure too big, cause the problem of valve body damage.
Technical scheme
In order to achieve the above object, the utility model provides a technical scheme does:
the utility model provides a degradable hydraulic control check valve, includes the inlet tube, inlet tube one end and valve body fixed connection, the inside one end of valve body is equipped with first step-down unit, the inboard middle part fixed mounting of valve body has the anti-backflow unit, anti-backflow unit one side symmetry is equipped with second step-down unit, valve body one end and outlet pipe fixed connection, outlet pipe one end and third step-down unit.
Preferably, first depressurization unit includes the elasticity filter screen, first sliding block is installed to elasticity filter screen both ends symmetry, first sliding block one side and first spring sliding connection, just first sliding block outer wall with valve body sliding connection.
Preferably, the backflow prevention unit comprises at least more than one first connecting piece, the inner wall of each first connecting piece is fixedly connected with a first telescopic rod, the first telescopic rods are fixedly connected with the valve core, and buffering pads are symmetrically arranged on one side of the valve core.
Preferably, the second depressurization unit comprises a water storage cavity, the inner wall of one end of the water storage cavity is fixedly connected with a second telescopic rod, one end of the second telescopic rod is fixedly connected with a second sliding block, one side of the second sliding block is in contact with a first baffle, the first baffle is symmetrically and fixedly installed on the inner wall of the valve body, the middle part of the inner wall of the water storage cavity is fixedly connected with a first installation block, one side of the first installation block is fixedly connected with a third telescopic rod, the two sides of one end of the third telescopic rod are provided with second baffles, one side of each second baffle is in contact with a third sliding plate, and one side of the third sliding plate is fixedly connected with the third telescopic rod.
Preferably, the third depressurization unit comprises a fourth sliding plate, the outer wall of the fourth sliding plate is slidably connected with the inner connecting piece, one side of the fourth sliding plate is provided with an air cavity, the air cavity is fixedly connected with the two ends of the telescopic membrane, one side of the telescopic membrane is fixedly connected with the first push rod, and one side of the inner connecting piece is detachably connected with the outer connecting piece.
Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
when water pressure increases, promote first sliding block in the first pressure reduction unit of first pressure reduction unit through rivers, thereby rivers water pressure reduces in the inflow valve body, promote the case through rivers, make rivers outlet pipe, when rivers flow out the outlet pipe, rivers promote fourth sliding block in the third pressure reduction unit, make rivers outflow pressure reduce, it is not hard up to prevent that water pressure from making the valve body too big, when rivers reverse flow, because the case blocks and makes the interior water pressure of valve body increase, promote second sliding block in the second pressure reduction unit through rivers, make rivers get into the water storage chamber, make reverse flow reduce, and then prevent that valve body internal pressure is too big, cause the valve body damage.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the first voltage reduction unit of the present invention;
FIG. 3 is a schematic view of the structure of the anti-backflow unit of the present invention;
FIG. 4 is a schematic structural view of a second voltage reduction unit of the present invention;
fig. 5 is a schematic structural view of the third voltage reduction unit of the present invention.
In the figure: 1. the water inlet pipe, 2, the valve body, 3, the first pressure reducing unit, 31, the elastic filter screen, 32, the first sliding block, 33, the first spring, 4, the backflow preventing unit, 41, the first connecting piece, 42, the first telescopic rod, 43, the valve core, 44, the buffer pad, 5, the second pressure reducing unit, 51, the water storage cavity, 52, the second telescopic rod, 53, the second sliding block, 54, the first baffle, 55, the first mounting block, 56, the third telescopic rod, 57, the second baffle, 58, the third sliding plate, 6, the water outlet pipe, 7, the third pressure reducing unit, 71, the fourth sliding plate, 72, the internal connecting piece, 73, the air cavity, 74, the telescopic membrane, 75, the first push rod, 76, the external connecting piece.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.
In an embodiment, referring to fig. 1-5, a hydraulic control check valve capable of reducing pressure comprises a water inlet pipe 1, one end of the water inlet pipe 1 is fixedly connected with a valve body 2, one end inside the valve body 2 is provided with a first pressure reducing unit 3, the middle part of the inner side of the valve body 2 is fixedly provided with a backflow preventing unit 4, one side of the backflow preventing unit 4 is symmetrically provided with a second pressure reducing unit 5, one end of the valve body 2 is fixedly connected with a water outlet pipe 6, and one end of the water outlet pipe 6 is connected with a third pressure reducing unit 7.
In an embodiment, referring to fig. 2, the first pressure reducing unit 3 includes an elastic filter 31, first sliding blocks 32 are symmetrically installed at two ends of the elastic filter 31, one side of the first sliding block 32 is slidably connected to a first spring 33, and an outer wall of the first sliding block 32 is slidably connected to the valve body 2.
In this embodiment, first pressure reduction unit 3 is used for reducing inflow valve body water pressure, cleans inflow valve body 2 rivers through elasticity filter screen 31, promotes first sliding block 32 through rivers for water pressure reduces in the inflow valve body 2.
In an embodiment, referring to fig. 3, the backflow prevention unit 4 includes at least one first connection member 41, an inner wall of the first connection member 41 is fixedly connected to a first telescopic rod 42, the first telescopic rod 42 is fixedly connected to a valve core 43, and cushion pads 44 are symmetrically disposed on one side of the valve core 43.
In this embodiment, the backflow prevention unit 4 is used to prevent the water flow from flowing reversely, and pushes the valve core 43 to move through the water flow, so that the water flow flows into the water outlet pipe 6, when the water flow flows reversely, the valve core 43 blocks the water flow from flowing reversely, the buffer pad 44 is matched with the outer wall of one end of the first connecting piece 41, and the valve core 43 is collided with the first connecting piece 41 to be damaged when the water flow flows reversely.
In an embodiment, referring to fig. 4, the second voltage reducing unit 5 includes a water storage cavity 51, an inner wall of one end of the water storage cavity 51 is fixedly connected to the second telescopic rod 52, one end of the second telescopic rod 52 is fixedly connected to the second sliding block 53, one side of the second sliding block 53 contacts with the first baffle 54, the first baffle 54 is symmetrically and fixedly installed on the inner wall of the valve body 2, a middle portion of the inner wall of the water storage cavity 51 is fixedly connected to the first installation block 55, one side of the first installation block 55 is fixedly connected to the third telescopic rod 56, two sides of one end of the third telescopic rod 56 are provided with the second baffle 57, one side of the second baffle 57 contacts with the third sliding plate 58, and one side of the third sliding plate 58 is fixedly connected to the third telescopic rod 56.
In this embodiment, when the water flow flows in the reverse direction, the second sliding block 53 is pushed by the water flow, so that the water flow flows into the water storage chamber 51, thereby reducing the pressure of the water flow on the valve body 2, and when the water storage chamber 51 is full, the third sliding plate 58 is pushed by the water flow, so that the water flow flows into the valve body 2 again.
In an embodiment, referring to fig. 5, the third depressurization unit 7 includes a fourth sliding plate 71, an outer wall of the fourth sliding plate 71 is slidably connected to an inner connecting member 72, an air chamber 73 is disposed on one side of the fourth sliding plate 71, the air chamber 73 is fixedly connected to two ends of a telescopic membrane 74, one side of the telescopic membrane 74 is fixedly connected to a first push rod 75, and one side of the inner connecting member 72 is detachably connected to an outer connecting member 76.
In this embodiment, the third pressure reducing unit 7 is used for reducing the pressure of the water flowing out, the fourth sliding plate 71 is pushed by the water to move, and the fourth sliding plate 71 drives the first push rod 75 to insert into the outer connecting piece 76 through the gas in the gas chamber 73, so that the inner connecting piece 72 and the outer connecting piece 76 are connected more tightly.
The utility model discloses a theory of operation:
when the water-saving water purifier is used, water flowing into the valve body 2 is cleaned through the elastic filter screen 31, the first sliding block 32 is pushed through the water flow, the water flow flows into the valve body 2, the valve core 43 is pushed through the water flow to move, the water flow flows into the water outlet pipe 6, the fourth sliding plate 71 is pushed through the water flow to move, the fourth sliding plate 71 drives the first push rod 75 to insert into the outer connecting piece 76 through gas in the gas cavity 73, and the inner connecting piece 72 is connected with the outer connecting piece 76 to be fastened more.
Then, when the water flow is reversely flowed, the valve core 43 blocks the water flow, and the second sliding block 53 is pushed by the water flow, so that the water flow flows into the water storage chamber 51, thereby reducing the pressure of the water flow to the valve body 2.
Finally, when the water storage chamber 51 is full, the third sliding plate 58 is pushed by the water flow, so that the water flow is re-flowed into the valve body 2.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a degradable hydraulic control check valve, includes inlet tube (1), its characterized in that: inlet tube (1) one end and valve body (2) fixed connection, the inside one end of valve body (2) is equipped with first step-down unit (3), valve body (2) inboard middle part fixed mounting has anti-backflow unit (4), anti-backflow unit (4) one side symmetry is equipped with second step-down unit (5), valve body (2) one end and outlet pipe (6) fixed connection, outlet pipe (6) one end and third step-down unit (7).
2. A depressible hydraulically controlled one-way valve according to claim 1, characterized in that: first pressure reduction unit (3) include elasticity filter screen (31), first sliding block (32) are installed to elasticity filter screen (31) both ends symmetry, first sliding block (32) one side and first spring (33) sliding connection, just first sliding block (32) outer wall with valve body (2) sliding connection.
3. A depressible hydraulically controlled one-way valve according to claim 1, characterized in that: the backflow prevention unit (4) comprises at least one first connecting piece (41), the inner wall of the first connecting piece (41) is fixedly connected with a first telescopic rod (42), the first telescopic rod (42) is fixedly connected with a valve core (43), and buffer pads (44) are symmetrically arranged on one side of the valve core (43).
4. A depressible hydraulically controlled one-way valve according to claim 1, characterized in that: the second pressure reduction unit (5) comprises a water storage cavity (51), the inner wall of one end of the water storage cavity (51) is fixedly connected with a second telescopic rod (52), one end of the second telescopic rod (52) is fixedly connected with a second sliding block (53), one side of the second sliding block (53) is in contact with a first baffle (54), the first baffle (54) is symmetrically and fixedly installed on the inner wall of the valve body (2), the middle part of the inner wall of the water storage cavity (51) is fixedly connected with a first installation block (55), one side of the first installation block (55) is fixedly connected with a third telescopic rod (56), two sides of one end of the third telescopic rod (56) are provided with second baffles (57), one side of each second baffle (57) is in contact with a third sliding plate (58), and one side of each third sliding plate (58) is fixedly connected with the third telescopic rod (56).
5. A depressible hydraulically controlled one-way valve according to claim 1, characterized in that: the third depressurization unit (7) comprises a fourth sliding plate (71), the outer wall of the fourth sliding plate (71) is in sliding connection with an inner connecting piece (72), an air chamber (73) is arranged on one side of the fourth sliding plate (71), the air chamber (73) is fixedly connected with two ends of a telescopic membrane (74), one side of the telescopic membrane (74) is fixedly connected with a first push rod (75), and one side of the inner connecting piece (72) is detachably connected with an outer connecting piece (76).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120875325.XU CN214945361U (en) | 2021-04-27 | 2021-04-27 | Pressure-reducing hydraulic control one-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120875325.XU CN214945361U (en) | 2021-04-27 | 2021-04-27 | Pressure-reducing hydraulic control one-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214945361U true CN214945361U (en) | 2021-11-30 |
Family
ID=79067545
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120875325.XU Active CN214945361U (en) | 2021-04-27 | 2021-04-27 | Pressure-reducing hydraulic control one-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214945361U (en) |
-
2021
- 2021-04-27 CN CN202120875325.XU patent/CN214945361U/en active Active
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