CN210344484U - Pressure control valve for low-pressure water control - Google Patents

Abstract

The utility model relates to a pressure control valve for low-pressure water control, which comprises a valve body, a rubber gasket, a valve cover and a valve core 4, wherein the valve core is assembled in the valve cover, and the rubber gasket is assembled between the valve body and the valve cover and is fixed by screws; the valve body is provided with a channel A, a channel B, a cavity A, a cavity B and a cavity C; the cavity A is communicated with the cavity C only through the cavity B, a pressing sheet stroke space and a sleeve are arranged on the valve cover, and the valve core comprises a cylinder and a pressing sheet; the rubber gasket isolates water and the valve core inside the valve, so that the problem of water leakage of the valve core in the up-and-down sliding process is avoided, and the valve core is forced to slide up and down when being subjected to force transmitted by a rigid body, so that the rubber gasket is compressed or loosened, and the valve is switched on or closed.

Description

Pressure control valve for low-pressure water control

Technical Field

The utility model relates to a valve control field, especially a pressure control valve for low pressure accuse water.

Background

In the prior art, a plurality of pressure control valves are available, the principle of the pressure control valves is mainly to control the opening or closing of the valves through hydraulic pressure, the sealing requirement is very strict, the manufacturing cost is relatively high, the liquid medium is mainly hydraulic oil, the diameter of a channel on a control side is often smaller, if the medium is changed into tap water, the control side is easily blocked, and the valves cannot transmit pressure through the connection between rigid bodies so as to control the opening or closing of the valves.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a pressure control valve for low-pressure water control, which aims to solve the problem that the traditional pressure control valve can not control the opening or closing of the valve through rigid body transmission pressure.

The utility model adopts the technical proposal that:

the utility model provides a pressure control valve for low pressure accuse water, includes valve body, rubber gasket, valve gap and case, its characterized in that: the valve body is provided with a channel A, a channel B, a cavity A, a cavity B and a cavity C, the cavity B penetrates through the control port, and the cavity A is communicated with the cavity C only through the cavity B; the valve cover is provided with a tabletting stroke space and a sleeve, the middle of the sleeve is provided with a through hole, and the through hole is positioned at the central position of the bottom of the tabletting stroke space and penetrates through the sleeve; the valve core comprises a cylinder and a pressing sheet, the pressing sheet is positioned at one end of the cylinder, the valve core is assembled in the sleeve, and the pressing sheet is positioned in the pressing sheet stroke space; the valve comprises a valve body, a valve cover, a rubber gasket, 3 screw holes, 3 corresponding gasket screw holes, 3 corresponding valve cover screw holes, a valve body, a rubber gasket and a valve cover, wherein the valve body and the valve cover are made of plastic materials, the valve core is made of metal materials, the rubber gasket is located between the valve body and the valve cover, the valve body is provided with the 3 screw holes, the rubber gasket is provided with the 3 corresponding gasket screw holes, the valve cover is provided with the 3 corresponding valve cover screw holes, and the.

As a further improvement of the scheme, the other end of the valve core is provided with a connector which is a rigid revolute pair connector.

As a further improvement of the scheme, the outline of the rubber gasket is the same as that of the valve body, and the rubber gasket can deform.

As a further improvement of this aspect, a notch is provided at an axial position of the bonnet screw hole.

As a further improvement of the scheme, the outer wall of the channel A is provided with at least 2 anti-slip grooves A, the outer wall of the channel B is provided with at least 2 anti-slip grooves B, the tail end of the channel A of the valve body is provided with an edge chamfer, and the tail end structure of the channel B is the same as that of the channel A.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a through the effect of transmission force between the rigid body, exert the power on the case at last, realize the removal of case, and then realize opening or closing of valve, replaced liquid pressure control, the problem of the passageway jam of avoiding, simultaneously, to greatly reduced the required precision of valve inner structure for manufacturing cost reduces; the technical scheme perfectly realizes that the rigid body transfer force controls the opening and closing of the valve, and the pressure for controlling the opening and closing of the valve can be freely adjusted only by adjusting the stress condition of the rigid body of the transfer force, such as using a weight, or adjusting the moment of the rigid body, or adjusting the elastic force of a spring, so that the valve has more flexible structural design and wider application range in various fields.

Drawings

The invention will be described in further detail with reference to the accompanying drawings and specific implementation methods:

FIG. 1 is a cross-sectional view of the unitary assembly;

FIG. 2 is a schematic view of the overall assembly;

FIG. 3 is a schematic view of a rubber gasket;

FIG. 4 is a schematic view of a valve cover structure;

FIG. 5 is a schematic view of a valve cartridge;

FIG. 6 is a schematic view of a longitudinal internal structure of a valve body

In the figure: 1. a valve body; 2. a rubber gasket; 3. a valve cover; 4. a valve core; 101. a channel A; 102. a cavity A; 103. a control port; 104. a cavity B; 105. a cavity C; 106. a channel B; 107. an anti-slip groove B; 108. screw holes; 109. an anti-slip groove A; 110. chamfering the edges; 201. a gasket screw hole; 301. a bonnet screw hole; 302. a tablet forming space; 303. a through hole; 304. a notch; 305. a sleeve; 401. tabletting; 402. a cylinder; 403. a connecting head.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings and technical solutions needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

As shown in fig. 2, a pressure control valve for low-pressure water control comprises a valve body 1, a rubber gasket 2, a valve cover 3 and a valve core 4; as shown in fig. 2 and 6, the valve body 1 includes a passage a101, a passage B106, a cavity a102, a cavity B104, and a cavity C105; the cavity A102 and the cavity C105 are communicated only through the cavity B104, and the rubber gasket 2 is positioned between the valve body 1 and the valve cover 3; as shown in fig. 4, the valve cap 3 comprises a tablet stroke space 302 and a sleeve 305, wherein a through hole 303 is formed in the middle of the sleeve 305, and the through hole 303 is positioned at the center of the bottom of the tablet stroke space 302 and penetrates through the sleeve 305; as shown in fig. 5 and 1, the valve core 4 includes a cylinder 402 and a pressing plate 401, the pressing plate 401 is located at one end of the cylinder 402, the valve core 4 is assembled in the sleeve 305, and the pressing plate 401 is located in the pressing plate stroke space 302, when the valve core is pressed, the pressing plate 401 presses the rubber gasket 2, so that the valve is closed, and the control of opening and closing of the valve through rigid transmission force can be effectively realized.

Optimally, the cavity B104 runs through the control port 103, the valve body 1 is provided with 3 screw holes 108, and the cavity B and the cavity C are controlled to be communicated or not, so that the water control effect is achieved, the design scheme is more stable and reliable compared with the traditional valve, and the possibility of water leakage of the valve is greatly reduced.

Optimally, the outline of the rubber gasket 2 is the same as the outline of the valve body 1, and 3 gasket screw holes 201 corresponding to the positions of the screw holes 108 on the valve body 1 one by one are arranged on the rubber gasket 2.

Optimally, 3 valve cover screw holes 301 which correspond to the screw holes 108 on the valve body 1 one by one are arranged on the valve cover 3, notches 304 are arranged at the axial positions of the valve cover screw holes 301, the valve body 1, the rubber gasket 2 and the valve cover 3 are fixed through screws, the periphery of the rubber gasket 2 is clamped by the valve body 1 and the valve cover 3, water leakage can be effectively prevented, and the notches 304 are used for accommodating screw heads, so that the overall appearance is attractive, and materials can be saved.

Preferably, the outer wall of the channel A101 is provided with at least 2 anti-slip grooves A109, the outer wall of the channel B106 is provided with at least 2 anti-slip grooves B107, the tail end of the channel A101 of the valve body 1 is provided with an edge chamfer 110, the tail end structure of the channel B106 is the same as that of the channel A101, the structural characteristics are used in daily hose connectors, the edge chamfer 110 enables a hose to be assembled on the valve more easily, and the anti-slip grooves A and the anti-slip grooves B can increase friction force to enable the hose not to be separated easily.

Preferably, the other end of the valve core 4 has a connector 403, and the connector 403 is a rigid revolute pair connector, so that if the angle of the rigid body connected to the valve changes, the connector 403 can still be stably connected to the valve without affecting the vertical sliding of the valve core 4.

Optimally, the valve body 1 and the valve cover 3 are made of plastic materials, the valve core 4 is made of metal materials, the manufacturing process difficulty and the manufacturing cost can be reduced, the reliability of the valve core 4 can be improved by adopting metal materials, and the valve core 4 is not easy to deform and damage when the stress is uneven.

The working principle is as follows:

the working principle of the utility model is that the valve is controlled to be opened and closed by the stress of the valve core 4, the valve is opened without stress or by tension, and whether the valve core is stressed depends on the design of the rigid body transmission of the application scene; when the valve core is not stressed or pulled, low-pressure water enters the cavity A102 from the channel A101 and then enters the cavity B104, the rubber gasket 2 is deformed downwards under the pressure of natural water pressure, the water enters the cavity C105 and then enters the channel B106, and the effect of valve conduction is achieved; if the valve core is pressed, the pressing sheet 401 presses the rubber gasket 2 tightly, so that the control port 103 is in close contact with the rubber gasket 2, the tail end of the cavity B104 is blocked, water cannot enter the cavity C105, and the effect of closing the valve is achieved;

the above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.

Claims (7)

1. The utility model provides a pressure control valve for low pressure accuse water, includes valve body (1), rubber gasket (2), valve gap (3) and case (4), its characterized in that: the valve body (1) is provided with a channel A (101), a channel B (106), a cavity A (102), a cavity B (104) and a cavity C (105); the cavity A (102) and the cavity C (105) are communicated only through the cavity B (104), and the rubber gasket (2) is positioned between the valve body (1) and the valve cover (3); the valve cover (3) is provided with a tabletting stroke space (302) and a sleeve (305), a through hole (303) is formed in the middle of the sleeve (305), and the through hole (303) is positioned in the center of the bottom of the tabletting stroke space (302) and penetrates through the sleeve (305); the valve core (4) comprises a cylinder (402) and a pressing sheet (401), the pressing sheet (401) is positioned at one end of the cylinder (402), the valve core (4) is assembled in the sleeve (305), and the pressing sheet (401) is positioned in the pressing sheet stroke space (302).

2. A pressure control valve for low pressure water control according to claim 1, wherein: the cavity B (104) penetrates through the control port (103), and at least 3 screw holes (108) are formed in the valve body (1).

3. A pressure control valve for low pressure water control according to claim 1, wherein: the shape outline of rubber gasket (2) with valve body (1) profile is the same, rubber gasket (2) are gone up 3 and valve body (1) on screw hole (108) position one-to-one gasket screw hole (201), just rubber gasket (2) deformable.

4. A pressure control valve for low pressure water control according to claim 1, wherein: the valve cover (3) is provided with 3 valve cover screw holes (301) which are in one-to-one correspondence with the positions of the screw holes (108) on the valve body (1), and notches (304) are arranged at the axial positions of the valve cover screw holes (301).

5. A pressure control valve for low pressure water control according to claim 1, wherein: the outer wall of the channel A (101) is provided with at least 2 anti-slip grooves A (109), the outer wall of the channel B (106) is provided with at least 2 anti-slip grooves B (107), the tail end of the channel A (101) of the valve body (1) is provided with an edge chamfer (110), and the tail end structure of the channel B (106) is the same as that of the channel A (101).

6. A pressure control valve for low pressure water control according to claim 1, wherein: the other end of the valve core (4) is provided with a connector (403), and the connector (403) is a rigid revolute pair connector.

7. A pressure control valve for low pressure water control according to claim 1, wherein: the valve body (1) and the valve cover (3) are made of plastic materials, the valve core (4) is made of metal materials, and the valve body (1), the rubber gasket (2) and the valve cover (3) are fixedly connected through screws.

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