CN213839723U - Flow control valve - Google Patents
Flow control valve Download PDFInfo
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- CN213839723U CN213839723U CN202022945555.7U CN202022945555U CN213839723U CN 213839723 U CN213839723 U CN 213839723U CN 202022945555 U CN202022945555 U CN 202022945555U CN 213839723 U CN213839723 U CN 213839723U
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- valve
- water
- valve rod
- flow control
- pressure relief
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Abstract
The utility model discloses a flow control valve, it includes: the valve body is internally provided with a water flow channel; the water inlet switch comprises a valve core and a valve rod, wherein the valve core is arranged in the valve body and used for controlling the on-off of the water flow channel, the valve rod is used for controlling the rotation of the valve core, and one end of the valve rod extends out of the valve body; a pressure relief channel penetrating through the valve rod is arranged in the valve rod, a pressure relief cavity is formed in the valve core, and a partition plate with a water through hole is arranged in the water inlet switch to separate the pressure relief cavity from the pressure relief channel; a check block and a return spring are arranged in the valve rod, and the check block blocks or leaves the water through hole under the action of water flow and the return spring. The utility model discloses a flow control valve adopts hollow switch of intaking, makes the inside pressure release passageway that forms of switch of intaking, has reduced the space that the valve body occupy, reduces solitary part, easy to assemble.
Description
Technical Field
The utility model relates to a water heater accessory field especially relates to a flow control valve.
Background
The pressure release valve of the water heater is suitable for an electric water heater and an air energy water heater, and can discharge redundant pressure so as to guarantee the service life of the inner container and avoid the occurrence of an explosion accident of the inner container. The pressure release valve in the prior art at least comprises a pressure release opening, an adjusting handle and the like, the pressure release opening and the adjusting handle are often arranged in different directions, and the existing pressure release valve is difficult to install when the installation space is small. In addition, the water heater is also provided with other components such as a water inlet switch and a flow sensor, so that the water heater is difficult to install due to the limitation of space, and has multiple installation steps and long time consumption.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems that the prior pressure release valve, the water inlet switch, the flow sensor and other parts occupy too much external space of the water heater and the installation steps are complex, the utility model aims to provide a flow control valve which saves the external space of the water heater and is convenient to install.
In order to achieve the above purpose, the technical scheme of the utility model is that: a flow control valve, comprising:
the valve body is internally provided with a water flow channel;
the water inlet switch comprises a valve core and a valve rod, wherein the valve core is arranged in the valve body and used for controlling the on-off of the water flow channel, the valve rod is used for controlling the rotation of the valve core, and one end of the valve rod extends out of the valve body;
a pressure relief channel penetrating through the valve rod is arranged in the valve rod, a pressure relief cavity is formed in the valve core, and a partition plate with a water through hole is arranged in the water inlet switch to separate the pressure relief cavity from the pressure relief channel;
a check block and a return spring are arranged in the valve rod, and the check block blocks or leaves the water through hole under the action of water flow and the return spring.
The utility model discloses a flow control valve adopts hollow switch of intaking, makes the inside pressure release passageway that forms of switch of intaking, and the dog in the pressure release passageway separates under reset spring's effect rivers passageway and pressure release passageway, the pressure of water in the rivers passageway is too big, and the elasticity that reset spring was overcome to the rivers impact dog, and then leaves it directly flows from the valve rod tip of switch of intaking to cross the water hole messenger water in the rivers passageway. Compared with the prior art, the valve body has the advantages that the occupied space of the valve body is reduced, independent components are reduced, and the valve body is convenient to install.
Furthermore, an adjusting block is arranged in the pressure relief channel, one end of the reset spring is connected with the adjusting block, the other end of the reset spring is connected with the stop block, and a through hole is formed in the adjusting block;
an internal thread is arranged in the pressure relief channel, an external thread matched with the internal thread is arranged on the adjusting block, and a matching portion matched with an external tool is further arranged at the end of the adjusting block.
Further, the width of the stop block is smaller than that of the pressure relief channel.
Furthermore, one end of the check block facing the water through hole is connected with a sealing elastic cushion.
Further, a handle is arranged at the end part of the valve rod.
Furthermore, a limiting blocking piece is arranged outside the valve rod and is arranged along the circumferential direction of the valve rod;
be provided with a breach on the spacing separation blade, the valve rod outside is provided with the stopper, the stopper sets up in the breach, the stopper be used for with the medial surface of breach offsets in order to restrict the rotation of valve rod.
Optionally, the valve body comprises a water inlet and a water outlet, and the water inlet and the water outlet are communicated by the water flow channel;
the water outlet is provided with external threads.
Optionally, the valve body comprises a water inlet and a water outlet, and the water inlet and the water outlet are communicated by the water flow channel;
the periphery of delivery port is provided with two rings of archs, form the mounting groove between two rings of archs.
Optionally, the valve body comprises a water inlet and a water outlet, and the water inlet and the water outlet are communicated by the water flow channel;
the end part of the water outlet is connected with a hexagonal nut.
Preferably, the flow control valve further comprises a flow sensor, an impeller and a magnet of the flow sensor are installed in the water flow channel, and a hall element of the flow sensor is fixed outside the valve body.
In a word, the utility model discloses a flow control valve combines pressure release passageway, water inlet switch, flow sensor together, has reduced the space that the water heater accessory occupy, has reduced the part that needs the independent installation, has improved the installation effectiveness of water heater.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
fig. 1 is a sectional view of a flow control valve according to embodiment 1 of the present invention;
fig. 2 is a perspective view of a flow control valve according to embodiment 1 of the present invention;
fig. 3 is a perspective view of a flow control valve according to embodiment 2 of the present invention;
fig. 4 is a perspective view of a flow control valve according to embodiment 3 of the present invention.
Wherein: 1. the valve body, 2, the switch of intaking, 3, the rivers passageway, 4, spacing separation blade, 5, flow sensor, 11, water inlet, 12, the delivery port, 13, the arch, 14, the mounting groove, 15, hexagon nut, 21, the case, 22, the valve rod, 23, the baffle, 24, the dog, 25, reset spring, 26, regulating block, 27, sealed bullet pad, 28, the handle, 41, the breach, 211, the pressure release chamber, 221, the pressure release passageway, 222, the stopper, 231, the water hole of crossing, 261, the through-hole, 262, cooperation portion.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the flow control valve of the present invention includes: the valve body 1 is internally provided with a water flow channel 3; the water inlet switch 2 comprises a valve core 21 which is arranged in the valve body 1 and controls the on-off of the water flow channel 3, and a valve rod 22 which controls the rotation of the valve core and has one end extending out of the valve body 1;
a pressure relief channel 221 penetrating through the valve rod is arranged in the valve rod 22, a pressure relief cavity 211 is formed in the valve core 21, and a partition plate 23 with a water through hole 231 is arranged in the water inlet switch 2 to separate the pressure relief cavity 211 from the pressure relief channel 221;
a stop 24 and a return spring 25 are arranged in the valve rod 22, and the stop 24 blocks or leaves the water through hole 231 under the action of water flow and the return spring 25.
The utility model discloses a flow control valve adopts hollow switch 2 of intaking, makes the inside pressure release passageway 221 that forms of switch 2 of intaking, and dog 24 in the pressure release passageway separates under reset spring 25's effect rivers passageway 3 and pressure release passageway 221, and the pressure of water in rivers passageway 3 is too big, and the elasticity of reset spring 25 is overcome to rivers impact dog 24, and then leaves it directly flows from switch's valve rod 22 tip to cross water hole 231 messenger rivers passageway 3 water. Compared with the prior art, the valve body has the advantages that the occupied space of the valve body is reduced, independent components are reduced, and the valve body is convenient to install.
In order to enable the pressure relief pressure of the pressure relief channel 221 to be adjustable, an adjusting block 26 is arranged in the pressure relief channel 221, one end of the return spring 25 is connected with the adjusting block 26, the other end of the return spring is connected with the stop block 24, and a through hole 261 is formed in the adjusting block 26.
An internal thread is arranged in the pressure relief channel 21, an external thread matched with the internal thread is arranged on the adjusting block 26, and a matching part 262 used for being matched with an external tool is further arranged at the end part of the adjusting block 26. The internal thread and the external thread are matched, so that the adjusting block 26 is fixed on the valve rod 22, the position of the adjusting block 126 in the pressure relief channel 221 can be adjusted, and the compression degree of the return spring 25 is adjusted.
Wherein, the matching part 261 can be in the shape of a straight line gap, a cross gap, a hexagonal protrusion, etc., and can be matched with an external tool, and can enable the valve rod to rotate under the action of the external tool. An external tool enters the relief passage 221 from the end of the stem 22 to engage with the engagement portion 261.
In order to make the water flow smoothly through the pressure relief channel 221, the width of the stopper 24 is smaller than that of the pressure relief channel 221. And as mentioned above, the regulating block 26 has a through hole 261 for communicating with the pressure relief channel 221.
One end of the stop block 24 facing the water through hole 231 is connected with a sealing elastic pad 27 to prevent water from leaking at the end of the valve rod 22 when the water in the water flow channel 221 is under normal pressure.
To facilitate the user's adjustment of the water flow, the end of the valve stem 22 is provided with a handle 28.
A limiting baffle 4 is arranged outside the valve rod 22, and the limiting baffle 4 is arranged along the circumferential direction of the valve rod 22; the limiting blocking piece 4 is provided with a notch 41, the outside of the valve rod 22 is provided with a limiting block 222, the limiting block 221 is arranged in the notch 41, and the limiting block 222 is used for abutting against the inner side surface of the notch 41 to limit the rotation of the valve rod 22.
Therefore, the valve rod 22 rotates left and right within the range limited by the notch 41, and the effect that the water flow gradually increases or decreases from left to right is achieved.
The valve body 1 comprises a water inlet 11 and a water outlet 12, and the water inlet 11 and the water outlet 12 are communicated by the water flow channel 3; the water inlet 11 is communicated with an external water source, the water outlet is communicated with a water inlet of a water heater, and in the embodiment, the water outlet 12 is provided with an external thread so as to be conveniently connected with the water inlet of the water heater with an internal thread.
Preferably, the flow control valve further comprises a flow sensor 5, an impeller and a magnet of the flow sensor are installed in the water flow channel, and a hall element of the flow sensor is fixed outside the valve body.
Example 2
The embodiment 2 is basically the same as the embodiment 1 in technical scheme, and the main difference is that two circles of protrusions 13 are arranged on the outer periphery of the water outlet 12, and an installation groove 14 is formed between the two circles of protrusions 13 so as to be conveniently connected with a water inlet of a water heater with a buckle.
Example 3
The embodiment 3 is basically the same as the embodiment 1 in technical scheme, and the main difference is that a hexagonal nut 15 is connected to the end of the water outlet so as to be conveniently connected with a water inlet of a water heater with external threads.
In the description of the present invention, it should be understood that the terms "vertical", "horizontal", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the use of "first" and "second" is merely for convenience in describing the invention and to simplify the description, and the words are not intended to have a special meaning unless otherwise stated.
The present invention is not limited to the embodiments, and if various modifications or variations of the present invention do not depart from the spirit and scope of the present invention, they are intended to be covered if they fall within the scope of the claims and the equivalent technical scope of the present invention.
Claims (10)
1. A flow control valve, comprising:
the valve body is internally provided with a water flow channel;
the water inlet switch comprises a valve core and a valve rod, wherein the valve core is arranged in the valve body and used for controlling the on-off of the water flow channel, the valve rod is used for controlling the rotation of the valve core, and one end of the valve rod extends out of the valve body;
a pressure relief channel penetrating through the valve rod is arranged in the valve rod, a pressure relief cavity is formed in the valve core, and a partition plate with a water through hole is arranged in the water inlet switch to separate the pressure relief cavity from the pressure relief channel;
a check block and a return spring are arranged in the valve rod, and the check block blocks or leaves the water through hole under the action of water flow and the return spring.
2. The flow control valve of claim 1, wherein:
an adjusting block is arranged in the pressure relief channel, one end of the reset spring is connected with the adjusting block, the other end of the reset spring is connected with the stop block, and a through hole is formed in the adjusting block;
an internal thread is arranged in the pressure relief channel, an external thread matched with the internal thread is arranged on the adjusting block, and a matching portion matched with an external tool is further arranged at the end of the adjusting block.
3. The flow control valve of claim 1, wherein:
the width of the stop block is smaller than that of the pressure relief channel.
4. The flow control valve of claim 1, wherein:
one end of the check block facing the water passing hole is connected with a sealing elastic cushion.
5. The flow control valve of claim 1, wherein:
the end of the valve rod is provided with a handle.
6. The flow control valve of claim 1, wherein:
a limiting baffle is arranged outside the valve rod and is arranged along the circumferential direction of the valve rod;
be provided with a breach on the spacing separation blade, the valve rod outside is provided with the stopper, the stopper sets up in the breach, the stopper be used for with the medial surface of breach offsets in order to restrict the rotation of valve rod.
7. The flow control valve of claim 1, wherein:
the valve body comprises a water inlet and a water outlet, and the water inlet and the water outlet are communicated through the water flow channel; the water outlet is provided with external threads.
8. The flow control valve of claim 1, wherein:
the valve body comprises a water inlet and a water outlet, and the water inlet and the water outlet are communicated through the water flow channel; the periphery of delivery port is provided with two rings of archs, form the mounting groove between two rings of archs.
9. The flow control valve of claim 1, wherein:
the valve body comprises a water inlet and a water outlet, and the water inlet and the water outlet are communicated through the water flow channel; the end part of the water outlet is connected with a hexagonal nut.
10. The flow control valve according to any one of claims 1 to 9, further comprising a flow sensor having an impeller and a magnet mounted in the water flow passage, and a hall element fixed to an outside of the valve body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022945555.7U CN213839723U (en) | 2020-12-10 | 2020-12-10 | Flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022945555.7U CN213839723U (en) | 2020-12-10 | 2020-12-10 | Flow control valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213839723U true CN213839723U (en) | 2021-07-30 |
Family
ID=76997345
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022945555.7U Active CN213839723U (en) | 2020-12-10 | 2020-12-10 | Flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213839723U (en) |
-
2020
- 2020-12-10 CN CN202022945555.7U patent/CN213839723U/en active Active
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