CN215410333U - Pressure compensation three-way valve - Google Patents
Pressure compensation three-way valve Download PDFInfo
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- CN215410333U CN215410333U CN202120746708.7U CN202120746708U CN215410333U CN 215410333 U CN215410333 U CN 215410333U CN 202120746708 U CN202120746708 U CN 202120746708U CN 215410333 U CN215410333 U CN 215410333U
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- water outlet
- sealing element
- water inlet
- movable assembly
- water
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Abstract
The utility model discloses a pressure compensation three-way valve, and aims to provide a pressure compensation three-way valve with a good sealing effect. The water-saving valve comprises a valve body, wherein a water inlet cavity, a first water outlet cavity and a second water outlet cavity are formed in the valve body, a first water outlet communicated with the first water outlet cavity is formed in the upper end of the water inlet cavity, a second water outlet communicated with the second water outlet cavity is formed in the lower end of the water inlet cavity, a press block, an upper sealing element and a lower sealing element are sequentially arranged on a movable assembly from top to bottom, a spring is sleeved on the movable assembly and located between the press block and the upper sealing element, the upper sealing element is matched with the first water outlet, a first water inlet is formed in the lower end face of the upper sealing element, a first compensation cavity communicated with the first water inlet is formed in the upper sealing element, and the lower sealing element is matched with the second water outlet. The utility model is applied to the technical field of three-way valves.
Description
Technical Field
The present invention relates to a pressure-compensated three-way valve.
Background
The water outlet is switched by driving the movable rod in the valve body in the use process of the existing three-way valve, but when the movable rod seals the water outlet, the situation that the sealing is not tight enough or the sealing part of the movable rod is excessively compressed to deform exists, so that the actual use effect of the three-way valve is poor. Therefore, a pressure compensation three-way valve with good sealing effect needs to be developed.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provide a pressure compensation three-way valve with good sealing effect.
The technical scheme adopted by the utility model is as follows: the water-saving valve comprises a valve body, wherein a water inlet cavity, a first water outlet cavity and a second water outlet cavity are formed in the valve body, a first water outlet communicated with the first water outlet cavity is formed in the upper end of the water inlet cavity, a second water outlet communicated with the second water outlet cavity is formed in the lower end of the water inlet cavity, a movable assembly and a spring are arranged in the valve body, a pressing block, an upper sealing element and a lower sealing element are sequentially arranged on the movable assembly from top to bottom, the spring is sleeved on the movable assembly and located between the pressing block and the upper sealing element, the upper sealing element is matched with the first water outlet, a first water inlet is formed in the lower end face of the upper sealing element, a first compensation cavity communicated with the first water inlet is formed in the upper sealing element, and the lower sealing element is matched with the second water outlet.
Furthermore, the pressure compensation three-way valve also comprises a driving mechanism arranged on the valve body, and the driving mechanism drives the movable assembly to move up and down.
Further, the driving mechanism is a stepping motor.
Further, a sealing ring is arranged on the lower sealing element.
Further, the upper sealing element is sleeved at the lower end of the plug, the upper sealing element and the movable assembly are fixedly connected into a whole and move up and down along with the movable assembly, a first sealing ring is arranged on the lower end face of the upper sealing element, a second sealing ring is arranged between the plug and the movable assembly, and a third sealing ring is arranged between the plug and the upper sealing element.
The utility model has the beneficial effects that: compared with the defects of the prior art, in the utility model, when in use, water enters the water inlet chamber, the movable assembly moves downwards to enable the lower sealing element not to seal the second water outlet, and the upper sealing element seals the first water outlet, so that the water flows through the water inlet chamber, the second water outlet and the second water outlet chamber in sequence, in the process, the water in the water inlet chamber acts on the bottom of the upper sealing element, and due to the arrangement of the first water inlet and the compensation chamber, the water in the water inlet chamber enters the compensation chamber through the first water inlet, so that the pressure of the water in the water inlet chamber on the bottom of the upper sealing element can be offset, the thrust for pushing the movable assembly to perform upper sealing is greatly reduced, pressure compensation is further realized, and the upper sealing element has good sealing effect, the utility model has the advantage of good sealing effect.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
fig. 3 is a partially enlarged schematic view of a portion a of fig. 2;
FIG. 4 is a schematic view of the internal structure of the valve body;
fig. 5 is a schematic view of the internal structure of the valve body from another perspective.
Detailed Description
As shown in fig. 1 to 5, in this embodiment, the present invention includes a valve body 1, a water inlet chamber 2, a first water outlet chamber 3 and a second water outlet chamber 4 are formed on the valve body 1, a first water outlet 30 communicated with the first water outlet chamber 3 is formed at an upper end of the water inlet chamber 2, a second water outlet 40 communicated with the second water outlet chamber 4 is formed at a lower end of the water inlet chamber 2, a movable assembly 5 and a spring 6 are disposed in the valve body 1, the movable assembly 5 is sequentially provided with a pressing block 7, an upper sealing member 11 and a lower sealing member 8 from top to bottom, the spring 6 is sleeved on the movable assembly 5 and is located between the pressing block 7 and the upper sealing member 11, the upper sealing member 11 is matched with the first water outlet 30, a first water inlet 12 is formed on a lower end surface of the upper sealing member 11, a first compensation chamber 13 communicated with the first water inlet 12 is formed in the upper sealing member 11, the lower sealing member 8 is matched with the second water outlet 40. Compared with the defects of the prior art, in the utility model, when in use, water enters the water inlet chamber 2, the movable assembly 5 moves downwards to enable the lower sealing member 8 to not seal the second water outlet 40, and the upper sealing member 11 seals the first water outlet 30, so that the water flows through the water inlet chamber 2, the second water outlet 40 and the second water outlet chamber 4 in sequence, in the process, the water in the water inlet chamber 2 acts on the bottom of the upper sealing member 11, and due to the arrangement of the first water inlet 12 and the compensation chamber 13, the water in the water inlet chamber 2 enters the compensation chamber 13 through the first water inlet 12, so that the pressure of the water in the water inlet chamber 2 on the bottom of the upper sealing member 11 can be counteracted, and the thrust for pushing the movable assembly 5 to perform upper sealing is greatly reduced, further realize pressure compensation to make the said upper seal 11 play a good sealing effect, make the utility model have advantage that seal the effectual.
In this embodiment, the pressure compensation three-way valve further comprises a driving mechanism 9 disposed on the valve body 1, and the driving mechanism 9 drives the movable assembly 5 to move up and down.
In this embodiment, the driving mechanism 9 is a stepping motor.
In the present embodiment, a sealing ring 10 is provided on the lower seal 8.
In this embodiment, the upper sealing member 11 is sleeved at the lower end of the plug a, the upper sealing member 11 and the movable assembly 5 are fixedly connected together and move up and down along with the movable assembly 5, a first sealing ring 21 is arranged on the lower end surface of the upper sealing member 11, a second sealing ring 22 is arranged between the plug a and the movable assembly 5, and a third sealing ring 23 is arranged between the plug a and the upper sealing member 11.
The utility model is applied to the technical field of three-way valves.
While the embodiments of the present invention have been described in terms of practical embodiments, they are not to be construed as limiting the meaning of the present invention, and modifications of the embodiments and combinations with other embodiments will be apparent to those skilled in the art in light of the present description.
Claims (5)
1. A pressure compensated three-way valve characterized by: the water-saving valve comprises a valve body (1), wherein a water inlet cavity (2), a first water outlet cavity (3) and a second water outlet cavity (4) are formed in the valve body (1), a first water outlet (30) communicated with the first water outlet cavity (3) is formed in the upper end of the water inlet cavity (2), a second water outlet (40) communicated with the second water outlet cavity (4) is formed in the lower end of the water inlet cavity (2), a movable assembly (5) and a spring (6) are arranged in the valve body (1), a pressing block (7), an upper sealing element (11) and a lower sealing element (8) are sequentially arranged on the movable assembly (5) from top to bottom, the spring (6) is sleeved on the movable assembly (5) and located between the pressing block (7) and the upper sealing element (11), and the upper sealing element (11) is matched with the first water outlet (30), the lower end face of the upper sealing element (11) is provided with a first water inlet (12), the upper sealing element (11) is provided with a first compensation chamber (13) communicated with the first water inlet (12), and the lower sealing element (8) is matched with the second water outlet (40).
2. The pressure compensated three-way valve of claim 1, wherein: the pressure compensation three-way valve further comprises a driving mechanism (9) arranged on the valve body (1), and the driving mechanism (9) drives the movable assembly (5) to move up and down.
3. A pressure compensated three-way valve according to claim 2, characterized in that: the driving mechanism (9) is a stepping motor.
4. The pressure compensated three-way valve of claim 1, wherein: and a sealing ring (10) is arranged on the lower sealing element (8).
5. The pressure compensated three-way valve of claim 1, wherein: go up sealing member (11) and cup joint the lower extreme at end cap (a), go up sealing member (11) with movable assembly (5) fixed connection is as an organic whole to reciprocate along with movable assembly (5), the lower terminal surface of going up sealing member (11) is provided with first sealing washer (21), be provided with second sealing washer (22) between end cap (a) and movable assembly (5), end cap (a) with be provided with third sealing washer (23) between last sealing member (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120746708.7U CN215410333U (en) | 2021-04-13 | 2021-04-13 | Pressure compensation three-way valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120746708.7U CN215410333U (en) | 2021-04-13 | 2021-04-13 | Pressure compensation three-way valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215410333U true CN215410333U (en) | 2022-01-04 |
Family
ID=79671100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120746708.7U Active CN215410333U (en) | 2021-04-13 | 2021-04-13 | Pressure compensation three-way valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215410333U (en) |
-
2021
- 2021-04-13 CN CN202120746708.7U patent/CN215410333U/en active Active
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