CN215673751U - Check valve capable of controlling flow - Google Patents
Check valve capable of controlling flow Download PDFInfo
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- CN215673751U CN215673751U CN202121634260.6U CN202121634260U CN215673751U CN 215673751 U CN215673751 U CN 215673751U CN 202121634260 U CN202121634260 U CN 202121634260U CN 215673751 U CN215673751 U CN 215673751U
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Abstract
The utility model discloses a check valve capable of controlling flow, which comprises: valve body mechanism and control mechanism, control mechanism sets up inside valve body mechanism, control mechanism includes the valve rod, the valve rod bottom is equipped with first valve plate, first valve plate top is equipped with first sealing washer, the inside first spacer that is equipped with of first sealing washer, first valve plate middle part is equipped with first recess, and first spacer corresponds with first recess, the valve rod middle part is equipped with the second valve plate, second valve plate lower part is equipped with the second sealing washer, be equipped with the second spacer in the second sealing washer, the lower part is equipped with the second recess in the second sealing washer, the second spacer corresponds with the second recess, and the size of the removal opening that first valve plate and second valve plate can be accurate makes the difference in height that inlet tube and outlet pipe junction formed, rivers pass through more easily. The utility model can accurately control the size of the opening of the valve plate, thereby controlling the size of water flow.
Description
Technical Field
The utility model relates to the technical field of check valves, in particular to a check valve capable of controlling flow.
Background
According to a throttle stop valve and an air conditioner with the same disclosed in Chinese patent No. CN201811492096.2, relating to the technical field of air conditioner valves and solving the problem that the stop valve for the air conditioner does not have the function of throttling. The throttling stop valve comprises a stop valve body with a stop valve core inside and a connecting pipe connected with the stop valve body, wherein a throttling structure is arranged in the connecting pipe, and the structure of the throttling stop valve can be guaranteed not to be too compact by arranging the throttling structure at the connecting pipe, so that the throttling stop valve is convenient to install and maintain, and the installation space occupation can be saved. This air conditioner includes this throttle stop valve, has practiced thrift installation space when being convenient for to install, has improved production efficiency, has reduced manufacturing cost, and this patent can only throttle the unable accurate flow of carrying out accurate control to the water yield.
Therefore, there is a great need for improvement in the art, and the present invention provides a check valve capable of controlling a flow rate.
SUMMERY OF THE UTILITY MODEL
Accordingly, the present invention is directed to a check valve capable of controlling a flow rate to solve the above-mentioned problems.
In order to achieve the purpose, the utility model provides the following technical scheme:
a flow-controllable check valve comprising: valve body mechanism and control mechanism, control mechanism sets up inside valve body mechanism, control mechanism includes the valve rod, the valve rod bottom is equipped with first valve plate, first valve plate top is equipped with first sealing washer, the inside first spacer that is equipped with of first sealing washer, first valve plate middle part is equipped with first recess, and first spacer corresponds with first recess, the valve rod middle part is equipped with the second valve plate, second valve plate lower part is equipped with the second sealing washer, be equipped with the second spacer in the second sealing washer, the lower part is equipped with the second recess in the second sealing washer, the second spacer corresponds with the second recess, valve rod upper portion is equipped with the shaft liner, and wherein, the size of the removal opening that first valve plate and second valve plate can be accurate to the control flow.
Further, the valve body mechanism comprises a valve body, a valve cover is arranged at the top of the valve body, a water inlet pipe is arranged on one side of the valve body, and a water outlet pipe is arranged at the rear part of the water inlet pipe.
Furthermore, two sides of the valve body are also provided with fixed angles.
Further, the valve stem and the valve body form a chamber.
Furthermore, a double valve plate is arranged inside the valve body mechanism.
Furthermore, the shaft bushing is made of stainless steel.
Furthermore, an exhaust port is arranged on one side of the top of the chamber.
The technical scheme can show that the utility model has the advantages that:
1. the utility model adopts a double-valve plate form, so that the opening of the flowing water is arranged between the two valve plates, the flow rate of the valve is controlled, the pressure is also increased for the flowing water in the water inlet pipe, and the height difference formed at the connecting part of the water inlet pipe and the water outlet pipe enables the flowing water to pass more easily.
2. The utility model can accurately control the size of the opening of the valve plate, thereby controlling the size of water flow.
3. The utility model ensures that the height difference formed at the connecting part of the water inlet pipe and the water outlet pipe has certain effect of preventing water flow from flowing backwards, the valve rod can move more conveniently through the shaft bushing at the upper part of the valve rod, and when the reverse flow is compared with other reverse flow, the water flow can drive the second valve plate to move downwards, thereby closing the valve and preventing the reverse flow.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model.
Fig. 1 is a schematic front view of the present invention.
FIG. 2 is a schematic of a plan sectional view of the present invention.
Fig. 3 is a schematic structural diagram of the control mechanism of the present invention.
List of reference numerals: the valve body mechanism comprises a valve body mechanism 1, a valve body 11, a fixed angle 111, an exhaust port 1121, a chamber 112, a valve cover 12, a water inlet pipe 13, a water outlet pipe 14, a control mechanism 2, a valve rod 21, a first valve plate 22, a first sealing ring 23, a first separation block 24, a first groove 25, a second valve plate 26, a second sealing ring 27, a second separation block 28, a second groove 29 and a shaft bushing 30.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the following embodiments and accompanying drawings. The exemplary embodiments and descriptions of the present invention are provided to explain the present invention, but not to limit the present invention.
Referring to fig. 1 to 3, as shown in fig. 1 to 3:
a flow-controllable check valve comprising: the valve body mechanism 1 and the control mechanism 2, the control mechanism 2 is arranged inside the valve body mechanism 1, the control mechanism 2 includes a valve rod 21, a first valve plate 22 is arranged at the bottom of the valve rod 21, a first sealing ring 23 is arranged above the first valve plate 22, a first partition block 24 is arranged inside the first sealing ring 23, a first groove 25 is arranged in the middle of the first valve plate 22, the first partition block 24 corresponds to the first groove 25, a second valve plate 26 is arranged in the middle of the valve rod 21, a second sealing ring 27 is arranged at the lower part of the second valve plate 26, a second partition block 28 is arranged in the second sealing ring 27, a second groove 29 is arranged at the middle lower part of the second sealing ring 27, the second partition block 28 corresponds to the second groove 29, and a shaft bushing 30 is arranged at the upper part of the valve rod 21, wherein the first valve plate 22 and the second valve plate 26 can accurately move the size of the opening to control the flow rate, have certain effect that prevents rivers against the current, the shaft bushing through valve rod upper portion makes the valve rod remove more convenient, and when the contrary flow ratio is than other, rivers can drive the second valve plate and move down to close the valve and prevent against the current.
The two sides of the valve body 11 are also provided with fixed angles 111 which can be fixed on other pipelines to play a role in fixing the whole valve.
The upper part of the valve rod 21 and the valve body 11 form a cavity 112, and the cavity 112 can enable the valve rod 21 to move up and down in the cavity 112.
The inside double-valve plate that is equipped with of valve body mechanism 1, the velocity of flow that the double-valve plate set up and can reduce the valve to better control flap's flow, double-valve plate also has certain control to rivers reverse flow, and control rivers that can be quick show against the current, make the opening setting of flowing water between two valve plates, controlled the velocity of flow of valve, also increased pressure for the rivers in the inlet tube, make the difference in height that inlet tube and outlet pipe junction formed, rivers pass through more easily.
The shaft bushing 30 is made of stainless steel, the shaft bushing 29 can assist the valve rod 21 to move, machine friction damage cannot occur in the moving process, the shaft bushing 29 can replace the valve rod 21 to be damaged for replacement, the damage degree of the valve rod 21 can be reduced, and the shaft bushing 29 is simple to machine, low in cost and convenient to replace.
An air outlet 1121 is formed in one side of the top of the chamber 112, and the air outlet 1121 can enable air pressure generated by movement of the valve rod 21 in the chamber 112 to be discharged through the air outlet, so that pressure damage to equipment in the chamber 112 due to air pressure generated by movement of the valve rod 21 cannot be caused.
The working principle of the utility model is as follows:
when the cut-off valve is opened: the valve rod drives the first valve plate and the second valve plate to move, so that the closed opening is opened, water flows through the closed opening, the flow can be controlled by the size of the moving opening of the first valve plate and the second valve plate, the flow reversely flows to enable the second valve plate to be automatically closed by downward movement under the guidance of the flow direction, and the flow is prevented from flowing backwards. The stop valve closes the valve rod and drives first valve plate and blocks up the delivery port.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment of the present invention by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A flow-controllable check valve, comprising: the valve body mechanism (1) and the control mechanism (2), the control mechanism (2) is arranged inside the valve body mechanism (1), the control mechanism (2) comprises a valve rod (21), a first valve plate (22) is arranged at the bottom of the valve rod (21), a first sealing ring (23) is arranged above the first valve plate (22), a first partition block (24) is arranged inside the first sealing ring (23), a first groove (25) is arranged in the middle of the first valve plate (22), the first partition block (24) corresponds to the first groove (25), a second valve plate (26) is arranged in the middle of the valve rod (21), a second sealing ring (27) is arranged on the lower portion of the second valve plate (26), a second partition block (28) is arranged in the second sealing ring (27), a second groove (29) is arranged on the middle lower portion of the second sealing ring (27), and the second partition block (28) corresponds to the second groove (29), the upper part of the valve rod (21) is provided with a shaft bushing (30), wherein the first valve plate (22) and the second valve plate (26) can accurately move the size of the opening so as to control the flow.
2. The non-return valve with controllable flow rate according to claim 1, characterized in that the valve body mechanism (1) comprises a valve body (11), a valve cover (12) is arranged on the top of the valve body (11), a water inlet pipe (13) is arranged on one side of the valve body (11), and a water outlet pipe (14) is arranged on the rear portion of the water inlet pipe (13).
3. A controlled flow check valve according to claim 2, characterized in that the valve body (11) is further provided with fixed angles (111) on both sides.
4. The controllable flow check valve of claim 1 wherein the valve stem (21) and the valve body (11) form a chamber (112).
5. A controllable flow non-return valve according to claim 1, characterized in that the valve body means (1) is internally provided with a double valve plate.
6. A controlled flow check valve according to claim 1, wherein the bushing (30) is stainless steel.
7. The flow controlled check valve of claim 4 wherein a vent (1121) is provided at a side of a top of the chamber (112).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121634260.6U CN215673751U (en) | 2021-07-19 | 2021-07-19 | Check valve capable of controlling flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121634260.6U CN215673751U (en) | 2021-07-19 | 2021-07-19 | Check valve capable of controlling flow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215673751U true CN215673751U (en) | 2022-01-28 |
Family
ID=79980329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121634260.6U Active CN215673751U (en) | 2021-07-19 | 2021-07-19 | Check valve capable of controlling flow |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215673751U (en) |
-
2021
- 2021-07-19 CN CN202121634260.6U patent/CN215673751U/en active Active
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