CN214534761U

CN214534761U - Self-control valve

Info

Publication number: CN214534761U
Application number: CN202120310250.0U
Authority: CN
Inventors: 苏秀贞
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-10-29
Anticipated expiration: 2031-02-03

Abstract

The utility model discloses an automatic control valve relates to water level control technical field, and its technical scheme main points are: the detection device comprises a valve body, a floater, a fixed seat, a connecting seat and a control assembly, wherein a guide cavity is arranged in the valve body, a detection hole communicated with the guide cavity is formed in the outer side of the valve body, and the floater is arranged in the guide cavity in a sliding manner; the valve body is in threaded connection with the fixed seat, a connecting hole communicated with the guide cavity is formed in the fixed seat, and a pressure cavity communicated with the connecting hole is also formed in the fixed seat; the fixed seat is hinged with a swinging piece, the free end of the swinging piece can be attached to the upper end face of the floater, and the swinging piece is provided with a sealing part capable of blocking the connecting hole; the connecting seat is in threaded connection with the fixing seat, the connecting seat is provided with a water inlet flow passage and a water outlet flow passage, the control assembly is arranged between the fixing seat and the connecting seat, the control assembly covers the pressure cavity, and the control assembly can control the on-off of the water inlet flow passage and the water outlet flow passage. Each part is in threaded connection, so that the assembly is convenient and fast without using an additional tool.

Description

Self-control valve

Technical Field

The utility model relates to a water level control technical field, in particular to automatic control valve.

Background

Some water storage containers with fixed capacity need to ensure that water in the water storage container cannot overflow in the water storage process, so that water resources are saved. Such as the storage tank of a toilet, which needs to be refilled after the water in the storage tank is discharged to ensure the next use of water.

The applicant finds that in the prior art, the water level in the water storage tank is generally controlled by using a buoyancy type automatic control valve; however, due to the design of the self-control valve, the relative positions of the parts need to be fixed, so that in the production and assembly process, the parts are usually fixed together by screws or other metal connecting pieces, that is, the relative positions of the parts are fixed, and the outer parts of the screws or other metal connecting pieces are exposed, and in addition, the production and assembly are inconvenient; because the automatic control valve is generally hidden in the water storage tank and needs to be in direct contact with water, the working environment is relatively humid, so that screws or other metal connecting pieces are corroded, and the service life is relatively short.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide an automatic control valve, it has the convenient advantage of equipment.

The above technical purpose of the present invention can be achieved by the following technical solutions: a self-control valve comprises a valve body, a floater, a fixed seat, a connecting seat and a control assembly, wherein a guide cavity is arranged in the valve body, a detection hole communicated with the guide cavity is formed in the outer side of the valve body, and the floater is arranged in the guide cavity in a sliding manner; the valve body is in threaded connection with the fixed seat, a connecting hole communicated with the guide cavity is formed in the fixed seat, and a pressure cavity communicated with the connecting hole is further formed in the fixed seat; a swinging piece is hinged on the fixed seat, the free end of the swinging piece can be attached to the upper end face of the floater, and a sealing part capable of plugging the connecting hole is arranged on the swinging piece; the connecting seat with fixing base threaded connection, seted up into water runner and play water runner on the connecting seat, control assembly set up in the fixing seat with between the connecting seat, and control assembly will the pressure chamber covers, control assembly can control the break-make of water runner with play water runner.

Through the technical scheme, the control assembly is placed between the fixed seat and the connecting seat, after the connecting seat is in threaded connection with the fixed seat, the control assembly is clamped by the fixed seat and the connecting seat, the control assembly covers the pressure cavity, the swinging piece is hinged with the fixed seat, then the floater is placed in the guide cavity, and the valve body is in threaded connection with the fixed seat, so that the free end of the swinging piece is attached to the upper end face of the floater, and the assembly of the automatic control valve is completed; this automatic control valve passes through each part threaded connection, need not be with the help of extra mounting tool in the assembling process, and it is comparatively convenient to assemble. This automatic control valve installs in the storage water tank, rivers get into the outlet flow way through the inlet flow way behind the control assembly, later get into in the storage water tank, along with the surface of water height submergence valve body in the storage water tank, rivers get into the direction intracavity from the inspection hole, make the float rise, the float that rises then promotes the free end up-swing of swinging member, the last sealing on the swinging member blocks up the connecting hole, the pressure in the pressure chamber makes control assembly cut off inlet flow way and outlet flow way, rivers in the inlet flow way then can not get into the outlet flow way, thereby guarantee that can not store water again in the storage water tank, realize that the water level in the storage water tank can keep at predetermined height.

Preferably, the water inlet channel is communicated with the water outlet channel through a connecting channel; the control assembly comprises a diaphragm and a resetting piece, the diaphragm is pressed by the connecting seat to be pressed against the opening of the pressure cavity, the resetting piece is arranged in the pressure cavity, and the resetting piece can apply acting force to the diaphragm in the direction of the connecting flow channel, so that the diaphragm can seal the connecting flow channel.

Through the technical scheme, when the pressure in the water storage tank is balanced with the pressure in the pressure cavity, the water flow in the water inlet flow channel presses the diaphragm, so that the diaphragm is far away from the connecting flow channel, and the water flow can enter the water outlet flow channel through the connecting flow channel and finally enters the water storage tank; when the water level in the water storage tank is higher than the valve body, water in the water storage tank enters the guide cavity through the detection hole, the floater floats upwards and drives the swing piece to swing upwards, the connecting hole is blocked by the final sealing part, the pressure in the pressure cavity is increased, the diaphragm is pushed towards the connecting flow channel by the pressure and the reset piece, the diaphragm is blocked by the connecting flow channel, the water inlet flow channel and the water outlet flow channel are separated by the diaphragm, and the water in the water inlet flow channel cannot enter the water outlet flow channel.

Preferably, the control assembly further comprises a fixing plate disposed between the diaphragm and the reset member.

Through above-mentioned technical scheme, the shape of diaphragm can effectively be guaranteed to the fixed plate, and the effort that resets can promote the whole swing of diaphragm to it is sealed to connect the runner.

Preferably, the diaphragm is provided with a positioning hole, the upper end face of the fixing plate is provided with a positioning column, the positioning column can penetrate through the positioning hole, the positioning column is provided with a clamping hook, and the lower end face of the clamping hook can be tightly abutted to the upper end face of the diaphragm.

Through above-mentioned technical scheme, the fixed plate can be dismantled with the diaphragm and be connected, has further guaranteed the fixed of diaphragm shape.

Preferably, the reset piece is provided with a guide post, the fixing plate is provided with a guide hole penetrating through the positioning post, and the guide post can be inserted into the guide hole and guides the fixing plate.

Through above-mentioned technical scheme, the guide post leads to the fixed plate to the realization is to the moving direction of diaphragm, has further guaranteed the sealed effect of diaphragm to connecting the runner.

Preferably, the fixed seat is provided with a pressure relief hole communicated with the guide cavity.

Through the technical scheme, the pressure in the guide cavity is balanced with the pressure in the water storage tank by the arrangement of the pressure relief hole, so that the floater can normally float upwards or descend.

Preferably, the lower extreme of fixing base is provided with articulated piece, articulated piece is located the direction intracavity and be close to connecting hole one side, articulated hole has been seted up on the articulated piece, the one end of swinging member with the articulated hole is articulated.

Through the technical scheme, the end part of the swinging piece is hinged with the hinge hole, so that the free end of the swinging piece can be attached to the upper end surface of the floater under the action of self gravity and swings along with the floating of the floater, and the connecting hole can be opened or sealed conveniently by the sealing part.

Preferably, the length of the oscillating member is smaller than the inner diameter of the guide chamber.

Through above-mentioned technical scheme, the swinging member can freely swing in the direction intracavity, when not influencing valve body and fixing base threaded connection, the connecting hole also can normally be sealed or opened to the sealing.

Preferably, the swinging piece is provided with a mounting hole, the sealing part comprises a plug, and the plug is arranged in the mounting hole; an extension pipe is arranged at an opening at the lower end of the connecting hole, and the plug can plug the extension pipe.

Through above-mentioned technical scheme, the end cap only need seal the opening of extension pipe lower extreme, alright realize the sealed to the connecting hole, and the leakproofness is better.

Preferably, a plurality of convex ribs are arranged in the guide cavity, and the outer wall of the floater can be attached to the convex ribs; the bottom of direction chamber is provided with the arch, the lower terminal surface of float can with the arch pastes and leans on.

Through above-mentioned technical scheme, the float passes through protruding muscle and protruding contact with the direction chamber for the float can not be with the inner wall in direction chamber and the bottom adhesion in direction chamber, has guaranteed that the float can normally fluctuate.

Drawings

FIG. 1 is a schematic external structural view of an embodiment;

FIG. 2 is a schematic bottom view of FIG. 1;

FIG. 3 is a schematic view of the full cross-section of FIG. 1;

FIG. 4 is another schematic view of the overall cross-sectional configuration of FIG. 1;

FIG. 5 is a schematic diagram of an exploded structure of the embodiment;

FIG. 6 is a schematic view of the full cross-section of FIG. 5;

FIG. 7 is a schematic structural diagram of a control unit according to an embodiment;

FIG. 8 is another external view of the embodiment;

fig. 9 is a schematic view of the full-section structure of fig. 8.

Reference numerals: 100. a valve body; 110. a guide cavity; 111. a rib is protruded; 112. a protrusion; 120. a detection hole;

200. a float;

300. a fixed seat; 310. connecting holes; 311. an extension tube; 320. a pressure chamber; 330. a pressure relief vent; 340. a hinged block; 341. a hinge hole;

400. a connecting seat; 410. a water inlet flow channel; 420. a water outlet flow channel; 430. connecting the flow channel;

500. a control component; 510. a diaphragm; 511. positioning holes; 520. a reset member; 521. a guide post; 530. a fixing plate; 531. a positioning column; 532. a hook is clamped; 533. a guide hole;

600. a swinging member; 610. a free end; 620. a sealing part; 621. a plug; 630. and (7) installing holes.

Detailed Description

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

The present invention will be described in further detail with reference to the accompanying drawings.

A self-control valve, as shown in fig. 1 to 9, comprises a valve body 100, a float 200, a fixed seat 300, a connecting seat 400 and a control assembly 500, wherein a guide cavity 110 is arranged in the valve body 100, a detection hole 120 communicated with the guide cavity 110 is arranged on the outer side of the valve body 100, and the float 200 is slidably arranged in the guide cavity 110; the valve body 100 is in threaded connection with the fixed seat 300, a connecting hole 310 communicated with the guide cavity 110 is formed in the fixed seat 300, and a pressure cavity 320 communicated with the connecting hole 310 is formed in the fixed seat 300; the fixed seat 300 is hinged with a swinging piece 600, the free end 610 of the swinging piece 600 can be abutted against the upper end surface of the floater 200, and the swinging piece 600 is provided with a sealing part 620 capable of blocking the connecting hole 310; the connecting seat 400 is connected to the fixing seat 300 by a screw thread, the connecting seat 400 is provided with a water inlet channel 410 and a water outlet channel 420, the control assembly 500 is disposed between the fixing seat 300 and the connecting seat 400, the control assembly 500 covers the pressure cavity 320, and the control assembly 500 can control the connection and disconnection of the water inlet channel 410 and the water outlet channel 420.

Preferably, the density of the float 200 is less than that of water, and the detection hole 120 is opened in a plurality of circumferential directions.

The water inlet channel 410 is communicated with the water outlet channel 420 through a connecting channel 430; the control assembly 500 includes a diaphragm 510, a reset member 520, and a fixing plate 530, the diaphragm 510 is pressed against the opening of the pressure chamber 320 by the connecting seat 400, the reset member 520 is disposed in the pressure chamber 320, the reset member 520 can apply a force to the diaphragm 510 in a direction toward the connecting flow passage 430, so that the diaphragm 510 can seal the connecting flow passage 430, and the fixing plate 530 is disposed between the diaphragm 510 and the reset member 520.

The reset element 520 is preferably a tower spring, one end of which abuts against the bottom of the pressure chamber 320, and the other end of which abuts against the lower end surface of the fixing plate 530. As another alternative, the return element 520 may be a conventional spring.

The diaphragm 510 is provided with a positioning hole 511, the upper end surface of the fixing plate 530 is provided with a positioning column 531, the positioning column 531 can penetrate through the positioning hole 511, the positioning column 531 is provided with a hook 532, the lower end surface of the hook 532 can be tightly abutted against the upper end surface of the diaphragm 510, namely, the hook 532 and the fixing plate 530 are clamped on the upper end surface and the lower end surface of the diaphragm 510. Preferably, the positioning holes 511 are provided in plural, and the number of the positioning posts 531 corresponds to the number of the positioning holes 511 one to one.

The reset unit 520 is provided with a guide post 521, the fixing plate 530 is provided with a guide hole 533 penetrating the positioning post 531, and the guide post 521 can be inserted into the guide hole 533 to guide the fixing plate 530.

The fixing base 300 is provided with a pressure relief hole 330 communicated with the guide cavity 110.

The lower end of the fixing seat 300 is provided with a hinge block 340, the hinge block 340 can be located in the guide cavity 110 and close to one side of the connecting hole 310, a hinge hole 341 is formed in the hinge block 340, and one end of the swinging member 600 is hinged to the hinge hole 341. Preferably, the length of the oscillating member 600 is smaller than the inner diameter of the guide chamber 110.

The swinging member 600 is provided with a mounting hole 630, the sealing portion 620 is preferably a plug 621, the plug 621 is disposed in the mounting hole 630, and the plug 621 is in interference fit with the mounting hole 630; an extension pipe 311 is integrally formed at an opening at the lower end of the connection hole 310, and a plug 621 is capable of blocking the opening at the lower end of the extension pipe 311.

A plurality of convex ribs 111 are axially arranged in the guide cavity 110 at intervals, and the outer wall of the floater 200 can be attached to the convex ribs 111; the bottom of the guide chamber 110 is provided with a protrusion 112, and the lower end surface of the float 200 can abut against the protrusion 112.

The working principle of the automatic control valve is as follows:

the positioning posts 531 on the fixing plate 530 are inserted into the positioning holes 511, the lower end surfaces of the hooks 532 are attached to the upper end surface of the diaphragm 510, the reset element 520 is placed at the bottom of the pressure chamber 320, the diaphragm 510 is installed at the opening of the pressure chamber 320, the upper end of the reset element 520 abuts against the lower end surface of the fixing plate 530, the guide posts 521 extend into the guide holes 533, the connecting seat 400 is in threaded connection with the fixing seat 300, the diaphragm 510 is clamped between the connecting seat 400 and the fixing seat 300, the connecting flow passage 430 is sealed by the diaphragm 510 under the elastic action force of the reset element 520, and the connecting seat 400 and the fixing seat 300 are assembled.

The plug 621 is installed in the installation hole 630, and then one end of the swing member 600 is hinged to the hinge hole 341; the float 200 is put into the guide cavity 110, finally the valve body 100 is in threaded connection with the fixed seat 300, and the free end 610 of the swinging piece 600 is contacted with the upper end surface of the float 200, thus the assembly of the automatic control valve is completed; in the assembling process, an additional mounting tool is not needed, and the production and the assembly are convenient; and rational in infrastructure moreover, need not adopt metal fastener such as screw or bolt to fix each part, increased the life of this automatic control valve to a certain extent.

When the automatic control valve is used, the automatic control valve is arranged in a water storage tank, water in a water inlet flow channel 410 enables a diaphragm 510 to move downwards under the action of self gravity and impact force, a connecting flow channel 430 is opened, water flow enters the water storage tank through the connecting flow channel 430 and a water outlet flow channel 420 in sequence, the water flow enters a guide cavity 110 from a detection hole 120 along with the rising of the water level in the water storage tank to submerge a valve body 100, a floater 200 rises, the rising floater 200 pushes a free end 610 of a swinging member 600 to swing upwards, finally, an opening at the lower end of an extension pipe 311 is blocked by a plug 621 on the swinging member 600, the pressure in a pressure cavity 320 is larger than the pressure in the water storage tank, a fixing plate 530 and the diaphragm 510 move upwards under the action of a resetting member 520 and the pressure, and finally, the connecting flow channel 430 is blocked, the water flow in the water inlet flow channel 410 cannot enter the water outlet flow channel 420 through the connecting flow channel 430, thereby ensuring that the water in the water storage tank can not be stored again and realizing the purpose that the water level in the water storage tank can be kept at the preset height.

The above description is only an exemplary embodiment of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.

Claims

1. An automatic control valve, characterized in that: the detection device comprises a valve body (100), a floater (200), a fixed seat (300), a connecting seat (400) and a control assembly (500), wherein a guide cavity (110) is arranged in the valve body (100), a detection hole (120) communicated with the guide cavity (110) is formed in the outer side of the valve body (100), and the floater (200) is arranged in the guide cavity (110) in a sliding manner; the valve body (100) is in threaded connection with the fixed seat (300), a connecting hole (310) communicated with the guide cavity (110) is formed in the fixed seat (300), and a pressure cavity (320) communicated with the connecting hole (310) is further formed in the fixed seat (300); a swinging piece (600) is hinged on the fixed seat (300), a free end (610) of the swinging piece (600) can be abutted against the upper end surface of the floater (200), and a sealing part (620) capable of blocking the connecting hole (310) is arranged on the swinging piece (600); the connecting seat (400) is in threaded connection with the fixing seat (300), a water inlet flow channel (410) and a water outlet flow channel (420) are formed in the connecting seat (400), the control assembly (500) is arranged between the fixing seat (300) and the connecting seat (400), the pressure cavity (320) is covered by the control assembly (500), and the control assembly (500) can control the connection and disconnection of the water inlet flow channel (410) and the water outlet flow channel (420).

2. The self-controlled valve according to claim 1, wherein: the water inlet flow channel (410) is communicated with the water outlet flow channel (420) through a connecting flow channel (430); the control assembly (500) comprises a diaphragm (510) and a resetting piece (520), the diaphragm (510) is pressed to the opening of the pressure chamber (320) by the connecting seat (400), the resetting piece (520) is arranged in the pressure chamber (320), and the resetting piece (520) can apply acting force to the diaphragm (510) to point to the direction of the connecting flow passage (430), so that the diaphragm (510) can seal the connecting flow passage (430).

3. The self-regulating valve of claim 2, wherein: the control assembly (500) further comprises a fixation plate (530), the fixation plate (530) being disposed between the diaphragm (510) and the reset member (520).

4. The self-regulating valve according to claim 3, wherein: the diaphragm (510) is provided with a positioning hole (511), the upper end face of the fixing plate (530) is provided with a positioning column (531), the positioning column (531) can penetrate through the positioning hole (511), a clamping hook (532) is arranged on the positioning column (531), and the lower end face of the clamping hook (532) can be tightly abutted to the upper end face of the diaphragm (510).

5. The self-controlled valve according to claim 4, wherein: the reset piece (520) is provided with a guide post (521), the fixing plate (530) is provided with a guide hole (533) penetrating through the positioning post (531), and the guide post (521) can be inserted into the guide hole (533) and guides the fixing plate (530).

6. The self-controlled valve according to claim 1, wherein: the fixed seat (300) is provided with a pressure relief hole (330) communicated with the guide cavity (110).

7. The self-controlled valve according to claim 1, wherein: the lower extreme of fixing base (300) is provided with articulated piece (340), articulated piece (340) are located in direction chamber (110) and be close to connecting hole (310) one side, articulated hole (341) have been seted up on articulated piece (340), the one end of swinging member (600) with articulated hole (341) are articulated.

8. The self-regulating valve according to claim 7, wherein: the length of the oscillating piece (600) is smaller than the inner diameter of the guide cavity (110).

9. The self-regulating valve according to claim 8, wherein: the swinging piece (600) is provided with a mounting hole (630), the sealing part (620) comprises a plug (621), and the plug (621) is arranged in the mounting hole (630); an extension pipe (311) is arranged at an opening at the lower end of the connecting hole (310), and the plug (621) can plug the extension pipe (311).

10. The self-controlled valve according to claim 1, wherein: a plurality of convex ribs (111) are arranged in the guide cavity (110), and the outer wall of the floater (200) can be attached to the convex ribs (111); the bottom of the guide cavity (110) is provided with a bulge (112), and the lower end face of the floater (200) can be attached to the bulge (112).