CN110715067A - Piston type flow-adjustable switch valve core - Google Patents
Piston type flow-adjustable switch valve core Download PDFInfo
- Publication number
- CN110715067A CN110715067A CN201810800325.6A CN201810800325A CN110715067A CN 110715067 A CN110715067 A CN 110715067A CN 201810800325 A CN201810800325 A CN 201810800325A CN 110715067 A CN110715067 A CN 110715067A
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- water
- groove
- valve body
- sealing groove
- opening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
- F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
- F16K3/26—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members with fluid passages in the valve member
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/30—Details
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
A valve core of a piston type adjustable flow switch comprises a pressing piece, a rotating piece, a spring, an upper valve body, a lower valve body, an upper shell, a lower shell, a piston rod, a sealing ring and a water-stop sleeve; the pressing piece is provided with a guide protrusion and a sharp tooth, the lower end of the rotating piece is provided with a rotating protrusion, one end of the rotating protrusion is provided with a sharp corner, and the upper valve body is provided with an inner cavity, a guide groove, a first inclined table and a second inclined table; the lower valve body is provided with a piston cavity, an upper water through hole and a lower water through hole, the piston rod is provided with an upper sealing groove, a middle sealing groove, a lower sealing groove, a vent hole and a spring cavity, wherein the spring cavity is communicated with the vent hole, and the distance between the upper sealing groove and the middle sealing groove is larger than the distance between the lower sealing groove and the middle sealing groove; an inner water through groove is formed in the waterproof sleeve; an outer water trough is arranged on the lower shell.
Description
Technical Field
The invention belongs to the technical field of water faucets, and particularly relates to a piston type adjustable flow switch valve core arranged in a water faucet.
Background
A valve core of a water tap in patent No. 201620427523.9 can be normally used under the condition that the water inlet pressure is about 3 kilograms; however, under the condition that the drift diameter of the water inlet on the side surface is larger than that of the water outlet at the bottom, particularly when the water inlet pressure is more than 5 kilograms or even higher, the hand feeling of pressing down is very heavy, and switching failure and failure of the valve core can be caused; if the water inlet and the water outlet are interchanged, the hand feeling of pressing down under the condition that the water inlet pressure is more than 3 kilograms is heavier;
patent No. 201620427523.9 discloses a faucet valve cartridge which can only be used as a switch at low pressure and cannot regulate flow.
Disclosure of Invention
The invention aims to provide a piston type adjustable flow switch valve core which has light hand feeling, does not influence the use of water pressure, can be interchanged between a water inlet and a water outlet and can adjust the flow.
In order to achieve the purpose, the invention provides a piston type adjustable flow switch valve core, which is characterized in that: the hydraulic valve comprises a pressing piece, a rotating piece, a spring, an upper valve body, a lower valve body, an upper shell, a lower shell, a piston rod, a sealing ring and a waterproof sleeve; the pressing piece is provided with a guide protrusion and a sharp tooth, the lower end of the rotating piece is provided with a rotating protrusion, one end of the rotating protrusion is provided with a sharp corner, and the upper valve body is provided with an inner cavity, a guide groove, a first inclined table and a second inclined table; the lower valve body is provided with a piston cavity, an upper water through hole and a lower water through hole, the piston rod is provided with an upper sealing groove, a middle sealing groove, a lower sealing groove, a vent hole and a spring cavity, wherein the spring cavity is communicated with the vent hole, and the distance between the upper sealing groove and the middle sealing groove is larger than the distance between the lower sealing groove and the middle sealing groove; an inner water through groove is formed in the waterproof sleeve; an outer water through groove is formed in the lower shell;
the pressing piece is arranged in the inner cavity, the upper end of the pressing piece extends out of the inner cavity, the guide protrusion is arranged in the guide groove, the rotating piece is arranged below the pressing piece, the spring is arranged in the spring cavity, and the sealing rings are arranged in the upper sealing groove, the middle sealing groove and the lower sealing groove; the piston rod is arranged below the rotating piece and in the piston cavity, the upper valve body is fixed with the lower valve body, the waterproof sleeve is sleeved on the lower portion of the lower valve body and fixed with the lower valve body, the upper shell is sleeved on the upper valve body, and the lower shell is sleeved on the waterproof sleeve and fixed with the upper shell;
pressing the pressing piece downwards to enable the rotating piece to move downwards, the spring is compressed, the piston rod moves downwards, after the piston rod moves downwards for a certain distance, the rotating piece rotates under the action of the sharp teeth, the spring and the sharp corner, the rotating projection slides out of the guide groove, and the sharp corner rotates to the bottom of the first inclined table; the sealing ring in the middle sealing groove moves downwards to the lower part of the lower water through opening, the sealing ring in the upper sealing groove is arranged at the upper part of the upper water through opening, the sealing ring in the lower sealing groove is arranged at the lower part of the lower water through opening, and the upper water through opening is communicated with the lower water through opening;
pressing the pressing piece again to enable the rotating piece to continue moving downwards, after the rotating piece moves downwards for a certain distance, the rotating piece rotates again under the action of the sharp teeth, the spring and the sharp corner, the sharp corner rotates to the guide groove along the second sloping platform, the rotating projection slides back into the guide groove, the spring extends, the piston rod moves upwards, the sealing ring in the middle sealing groove moves to the upper portion of the lower water through opening and the lower portion of the upper water through opening, the sealing ring in the upper sealing groove is located at the upper portion of the upper water through opening, the sealing ring in the lower sealing groove is located at the lower portion of the lower water through opening, and the upper water through opening is separated from the lower water through opening;
the pressing piece is rotated to enable the upper valve body to rotate, the upper valve body drives the lower valve body and the water separation sleeve to rotate together, the water separation sleeve rotates relative to the lower shell, the inner water through groove rotates relative to the outer water through groove, and the flow can be adjusted by adjusting the relative opening degree of the inner water through groove and the outer water through groove.
The invention has the beneficial effects that: simple structure, convenient manufacture, light hand feeling, adjustable flow and no influence on use due to the water pressure.
Drawings
Fig. 1 is a schematic view of a press according to the present invention.
Figure 2 is a schematic view of a rotating member of the present invention.
Fig. 3 is a schematic view of the upper valve body of the present invention.
Fig. 4 is a schematic view of the water shut-off jacket of the present invention.
Fig. 5 is a schematic view of the lower valve body of the present invention.
FIG. 6 is a schematic cross-sectional view of the lower valve body of the present invention.
Fig. 7 is a schematic view of a piston rod of the present invention.
Fig. 8 is a schematic view of the upper housing of the present invention.
Fig. 9 is a schematic view of the lower housing of the present invention.
Fig. 10 is a cross-sectional view of a first state of the invention.
Fig. 11 is a cross-sectional view of the second state of the invention.
Detailed Description
Referring to fig. 1, a guide protrusion 2 and a sharp tooth 3 are provided on a pressing member 1;
referring to fig. 2, the lower end of the rotation member 4 is provided with a rotation protrusion 5, and one end of the rotation protrusion 5 is provided with a sharp corner portion 6;
referring to fig. 3, the upper valve body 7 is provided with an inner cavity 8, a guide groove 9, a first inclined platform 10 and a second inclined platform 11;
referring to fig. 4, the water-blocking jacket 12 is provided with an inner water passing groove 15;
referring to fig. 5 and 6, the lower valve body 13 is provided with a piston cavity 14, an upper water passage port 16 and a lower water passage port 17;
referring to fig. 7, the piston rod 18 is provided with an upper seal groove 19, a middle seal groove 20, a lower seal groove 21, a spring cavity 22 and a vent hole 23, wherein the spring cavity 22 is communicated with the vent hole 23; the distance between the upper sealing groove 19 and the middle sealing groove 20 is greater than the distance between the lower sealing groove 21 and the middle sealing groove 20;
referring to fig. 9, the lower case 27 is provided with an outer water passage groove 28;
referring to fig. 1 to 11, the pressing member 1 is in the inner cavity 8, the upper end of the pressing member extends out of the inner cavity 8, the guide protrusion 2 is in the guide groove 9, the rotating member 4 is below the pressing member 1, the spring 24 is in the spring cavity 22, the piston rod 18 is below the rotating member 4, the upper seal groove 19, the middle seal groove 20 and the lower seal groove 21 are provided with the seal rings 25, and the piston rod 18 is in the piston cavity 14; the upper valve body 7 is fixed with the lower valve body 13, and the water-stop sleeve 12 is sleeved on the lower part of the lower valve body 13 and is fixed with the lower valve body 13; the upper shell 26 is sleeved on the upper valve body 7, and the lower shell 27 is sleeved on the water-separating sleeve 12 and fixed with the upper shell 26;
the pressing piece 1 is pressed down to enable the rotating piece 4 to move downwards, the spring 24 is compressed, the piston rod 18 moves downwards, after moving downwards for a certain distance, the rotating piece 4 rotates under the action of the sharp teeth 3, the spring 24 and the sharp corner 6, the rotating protrusion 5 slides out of the guide groove 9, and the sharp corner 6 rotates to the bottom of the first inclined table 10; the sealing ring 25 in the middle sealing groove 20 moves downwards to the lower part of the lower water through opening 17, the sealing ring 25 in the upper sealing groove 19 is arranged at the upper part of the upper water through opening 16, the sealing ring 25 in the lower sealing groove 21 is arranged at the lower part of the lower water through opening 17, and the upper water through opening 16 is communicated with the lower water through opening 17; as shown in fig. 10;
pressing the pressing piece 1 again to enable the rotating piece 4 to move downwards continuously, after the rotating piece 4 moves downwards for a certain distance, the rotating piece 4 rotates again under the action of the sharp teeth 3, the spring 24 and the sharp corner part 6, the sharp corner part 6 rotates to the guide groove 9 along the second inclined platform 11, the rotating protrusion 5 slides back to the guide groove 9, the spring 24 extends, the piston rod 18 moves upwards, the sealing ring 25 in the middle sealing groove 20 moves upwards to the upper part of the lower water through opening 17 and the lower part of the upper water through opening 16, the sealing ring 25 in the upper sealing groove 19 is arranged on the upper part of the upper water through opening 16, the sealing ring 25 in the lower sealing groove 21 is arranged on the lower part of the lower water through opening 17, and the upper water through opening 16 is; as shown in fig. 11;
the upper valve body 7 is rotated by rotating the pressing member 1, the upper valve body 7 drives the lower valve body 13 and the water partition sleeve 12 to rotate together, the water partition sleeve 12 rotates relative to the lower housing 27, the inner water passage groove 15 rotates relative to the outer water passage groove 28, and the flow rate can be adjusted by adjusting the relative opening degree of the inner water passage groove 15 and the outer water passage groove 28.
In the invention, because the sealing ring 25 in the lower sealing groove 21 is arranged and is always arranged at the lower part of the lower water through hole 17, the upward pressure and the downward pressure of the water pressure on the piston rod 18 are always the same, and the directions of the upward pressure and the downward pressure are opposite and just offset with each other, the hand feeling of pressing down can not be influenced no matter how much the water pressure is; this is also the essential difference between the present invention and a faucet valve cartridge of patent No. 201620427523.9;
in the present invention, the vent hole 23 is used for the ingress and egress of air between the piston rod 18 and the lower valve body 13 upon the up-and-down movement of the piston rod 18; the same effect can be achieved by drilling a hole in the bottom of the lower valve body 13.
Claims (1)
1. The utility model provides a piston adjustable flow switch case which characterized in that: the hydraulic valve comprises a pressing piece, a rotating piece, a spring, an upper valve body, a lower valve body, an upper shell, a lower shell, a piston rod, a sealing ring and a waterproof sleeve; the pressing piece is provided with a guide protrusion and a sharp tooth, the lower end of the rotating piece is provided with a rotating protrusion, one end of the rotating protrusion is provided with a sharp corner, and the upper valve body is provided with an inner cavity, a guide groove, a first inclined table and a second inclined table; the lower valve body is provided with a piston cavity, an upper water through hole and a lower water through hole, the piston rod is provided with an upper sealing groove, a middle sealing groove, a lower sealing groove, a vent hole and a spring cavity, wherein the spring cavity is communicated with the vent hole, and the distance between the upper sealing groove and the middle sealing groove is larger than the distance between the lower sealing groove and the middle sealing groove; an inner water through groove is formed in the waterproof sleeve; an outer water through groove is formed in the lower shell;
the pressing piece is arranged in the inner cavity, the upper end of the pressing piece extends out of the inner cavity, the guide protrusion is arranged in the guide groove, the rotating piece is arranged below the pressing piece, the spring is arranged in the spring cavity, and the sealing rings are arranged in the upper sealing groove, the middle sealing groove and the lower sealing groove; the piston rod is arranged below the rotating piece and in the piston cavity, the upper valve body is fixed with the lower valve body, the waterproof sleeve is sleeved on the lower portion of the lower valve body and fixed with the lower valve body, the upper shell is sleeved on the upper valve body, and the lower shell is sleeved on the waterproof sleeve and fixed with the upper shell;
pressing the pressing piece downwards to enable the rotating piece to move downwards, the spring is compressed, the piston rod moves downwards, after the piston rod moves downwards for a certain distance, the rotating piece rotates under the action of the sharp teeth, the spring and the sharp corner, the rotating projection slides out of the guide groove, and the sharp corner rotates to the bottom of the first inclined table; the sealing ring in the middle sealing groove moves downwards to the lower part of the lower water through opening, the sealing ring in the upper sealing groove is arranged at the upper part of the upper water through opening, the sealing ring in the lower sealing groove is arranged at the lower part of the lower water through opening, and the upper water through opening is communicated with the lower water through opening;
pressing the pressing piece again to enable the rotating piece to continue moving downwards, after the rotating piece moves downwards for a certain distance, the rotating piece rotates again under the action of the sharp teeth, the spring and the sharp corner, the sharp corner rotates to the guide groove along the second sloping platform, the rotating projection slides back into the guide groove, the spring extends, the piston rod moves upwards, the sealing ring in the middle sealing groove moves to the upper portion of the lower water through opening and the lower portion of the upper water through opening, the sealing ring in the upper sealing groove is located at the upper portion of the upper water through opening, the sealing ring in the lower sealing groove is located at the lower portion of the lower water through opening, and the upper water through opening is separated from the lower water through opening;
the pressing piece is rotated to enable the upper valve body to rotate, the upper valve body drives the lower valve body and the water separation sleeve to rotate together, the water separation sleeve rotates relative to the lower shell, the inner water through groove rotates relative to the outer water through groove, and the flow can be adjusted by adjusting the relative opening degree of the inner water through groove and the outer water through groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810800325.6A CN110715067A (en) | 2018-07-11 | 2018-07-11 | Piston type flow-adjustable switch valve core |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810800325.6A CN110715067A (en) | 2018-07-11 | 2018-07-11 | Piston type flow-adjustable switch valve core |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110715067A true CN110715067A (en) | 2020-01-21 |
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ID=69208689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810800325.6A Pending CN110715067A (en) | 2018-07-11 | 2018-07-11 | Piston type flow-adjustable switch valve core |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110715067A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115655557A (en) * | 2022-10-24 | 2023-01-31 | 上海超希实业有限公司 | Pressure instrument |
-
2018
- 2018-07-11 CN CN201810800325.6A patent/CN110715067A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115655557A (en) * | 2022-10-24 | 2023-01-31 | 上海超希实业有限公司 | Pressure instrument |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200121 |