CN117212468A - valve - Google Patents

Abstract

The invention discloses a valve, which comprises a valve body component, a piston component and an adjusting component, wherein the valve body component is axially provided with a first channel and a second channel, the first channel is communicated with the second channel, the side wall of the first channel is provided with a through hole, the piston component is accommodated in the first channel and can move along the axial direction of the first channel, so that the piston component has a first state and a second state, when the piston component is in the first state, the second channel is opened, when the piston component is in the second state, the piston component is abutted against the periphery of one end of the second channel to close the second channel, the adjusting component is rotatably inserted into the through hole, a connecting structure is arranged between the adjusting component and the piston component, the adjusting component drives the piston component to move through the connecting structure, so that the piston component is switched between the first state and the second state, the piston component is not worn with the wall surface of the second channel, the sealing reliability of the valve is improved, and the service life of the valve can be prolonged.

Description

Valve

Technical Field

The invention relates to the technical field of valves, in particular to a valve.

Background

The existing valve for high-pressure exhaust/drainage generally comprises a valve body assembly and a ball valve core, wherein the ball valve core is rotatably arranged in the valve body assembly so as to realize the opening and closing of the valve. After the ball valve is used for a period of time, the ball valve core is easy to wear due to friction between the ball valve core and the valve body assembly, the fit clearance between the valve body assembly and the ball valve core is enlarged, the valve is in sealing failure, water leakage or air leakage occurs, and the service life of the valve is low.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the valve, and the service life of the valve can be prolonged.

According to the valve, the valve comprises a valve body assembly, a piston assembly and an adjusting assembly, wherein a first channel and a second channel are arranged on the valve body assembly along the axial direction of the valve body assembly, the first channel is communicated with the second channel, a through hole is formed in the side wall of the first channel, the piston assembly is contained in the first channel and can move along the axial direction of the first channel, so that the piston assembly has a first state and a second state, the second channel is opened when the piston assembly is in the first state, the piston assembly is abutted with the periphery of one end of the second channel when the piston assembly is in the second state, so that the second channel is closed, the adjusting assembly is rotatably inserted into the through hole, a connecting structure is arranged between the adjusting assembly and the piston assembly, and the adjusting assembly drives the piston assembly to move through the connecting structure, so that the piston assembly is switched between the first state and the second state.

The valve according to the embodiment of the invention has at least the following beneficial effects:

when the piston assembly is in the first state, the piston assembly is not in butt joint with the periphery of one end of the second channel, a user can drive the piston assembly to move along the direction close to the second channel through the rotating adjusting assembly through the connecting structure so that the piston assembly is switched to the second state, the piston assembly is in butt joint with the periphery of one end of the second channel to seal the second channel, the piston assembly is not worn out with the wall surface of the second channel, the structure of closing the valve body assembly by using the ball valve core conventionally can be abandoned, the sealing reliability of the valve can be improved, and the service life of the valve can be prolonged.

According to some embodiments of the invention, the connecting structure comprises a connecting hole arranged on the piston assembly and a connecting shaft arranged on the adjusting assembly, wherein the connecting shaft is provided with an abutting part, and the abutting part is inserted into the connecting hole and can abut against the side wall of the connecting hole.

According to some embodiments of the invention, the adjusting assembly and the valve body assembly are provided with a first limiting structure for limiting the axial movement of the adjusting assembly along the through hole.

According to some embodiments of the invention, the first limiting structure comprises a limiting member, an avoidance hole and a first limiting groove, wherein the first limiting groove is arranged on the connecting shaft, the avoidance hole is arranged on the side wall of the through hole, and the limiting member is inserted into the first limiting groove through the avoidance hole and is in butt joint with the side wall of the first limiting groove.

According to some embodiments of the invention, the valve body assembly comprises a valve body and a valve rod, the first channel is arranged on the valve body, the second channel is arranged on the valve rod, the valve rod is accommodated in the first channel, and a guiding structure is arranged between the piston assembly and the valve body assembly.

According to some embodiments of the invention, the guide structure includes a guide groove provided in the valve stem and a guide portion provided in the piston assembly, the guide groove being provided along an axial direction of the valve body assembly, the guide portion being accommodated in the guide groove.

According to some embodiments of the invention, the piston assembly comprises a piston and a first seal, the first seal is sleeved on the piston, and in the second state, the first seal abuts against the periphery of one end of the second channel.

According to some embodiments of the invention, the device further comprises a protection piece, wherein the protection piece is clamped with the connecting shaft, and the protection piece is abutted with the periphery of the avoidance hole.

According to some embodiments of the invention, a second limiting structure is arranged between the protection piece and the adjusting component, and the second limiting structure is used for limiting the protection piece to move along the axial direction of the connecting shaft.

According to some embodiments of the invention, the second limiting structure includes a second limiting groove provided in the adjusting component and a limiting portion provided in the protecting component, where the limiting portion is accommodated in the second limiting groove and abuts against a bottom wall of the second limiting groove.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic view of a valve according to an embodiment of the present invention;

FIG. 2 is a schematic view of an assembled valve according to an embodiment of the present invention;

FIG. 3 is an exploded view of a valve according to an embodiment of the present invention;

FIG. 4 is a schematic view of a piston assembly according to an embodiment of the present invention;

FIG. 5 is a top view of a piston assembly according to an embodiment of the present invention;

FIG. 6 is a schematic diagram of an adjusting assembly according to an embodiment of the present invention;

FIG. 7 is a schematic view of an adjusting assembly according to an embodiment of the present invention in another direction;

fig. 8 is a schematic structural view of a protector according to an embodiment of the present invention.

Reference numerals:

the valve body assembly 100, the first channel 101, the second channel 102, the through hole 103, the avoidance hole 104, the third limit groove 105, the valve body 110, the valve rod 120, the guide groove 121, the piston assembly 200, the connection hole 201, the guide portion 202, the piston 210, the first seal 220, the adjusting assembly 300, the connection shaft 310, the abutting portion 311, the first limit groove 312, the second limit groove 320, the screwing piece 330, the limit block 340, the reinforcement 350, the limit piece 400, the protection piece 500, the shielding portion 510, the clamping portion 520, the limit portion 530, and the second seal 600.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present invention and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the description of the present invention, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 3, the valve according to the embodiment of the invention includes a valve body assembly 100, a piston assembly 200 and an adjusting assembly 300, the valve body assembly 100 is provided with a first channel 101 and a second channel 102 along an axial direction thereof, the first channel 101 is communicated with the second channel 102, a through hole 103 is formed in a side wall of the first channel 101, the piston assembly 200 is accommodated in the first channel 101 and can move along the axial direction of the first channel 101, so that the piston assembly 200 has a first state and a second state, when the piston assembly 200 is in the first state, the second channel 102 is opened, when the piston assembly 200 is in the second state, the piston assembly 200 is abutted with a periphery of one end of the second channel 102 to close the second channel 102, the adjusting assembly 300 is rotatably inserted into the through hole 103, a connecting structure is arranged between the adjusting assembly 300 and the piston assembly 200, and the adjusting assembly 300 drives the piston assembly 200 to move through the connecting structure, so that the piston assembly 200 is switched between the first state and the second state, when the piston assembly 200 reciprocates in the first channel 101, the second channel 102 is opened or closed, when the piston assembly 200 is in the first state, the piston assembly 200 is in the first state and the second state, the piston assembly 200 is in the second state, when the piston assembly 200 is switched between the first state and the second state, the piston assembly 200 is in the second state, the second channel is not in the second state, and the second channel 200 is capable of being switched, and the valve.

Specifically, when the piston assembly 200 is in the first state, the piston assembly 200 is not abutted to the periphery of one end of the second channel 102, a user can drive the piston assembly 200 to move along the direction close to the second channel 102 by rotating the adjusting assembly 300 through the connecting structure, so that the piston assembly 200 is switched to the second state, the piston assembly 200 is abutted to the periphery of one end of the second channel 102 to seal the second channel 102, the piston assembly 200 is not worn away from the wall surface of the second channel 102, the structure of closing the valve body assembly 100 by using the ball valve core conventionally can be abandoned, the sealing reliability of the valve can be improved, and the service life of the valve can be prolonged.

Referring to fig. 3 to 7, in some embodiments of the present invention, the connection structure includes a connection hole 201 provided in the piston assembly 200 and a connection shaft 310 provided in the adjustment assembly 300, the connection shaft 310 is provided with an abutment portion 311, and the abutment portion 311 is inserted in the connection hole 201 and can abut against a sidewall of the connection hole 201, so that the adjustment assembly 300 can be facilitated to drive the piston assembly 200 to move along an axial direction of the first channel 101, so as to close and open the second channel 102.

Specifically, the abutment portion 311 is eccentrically disposed with respect to the axis of the connection shaft 310, and when the connection shaft 310 rotates, the abutment portion 311 can abut against the sidewall of the connection hole 201, so as to drive the piston assembly 200 to move along the axial direction of the first channel 101, and can facilitate closing and opening of the second channel 102.

The positions of the connection hole 201 and the abutment portion 311 may be interchanged, that is, the abutment portion 311 may be provided on the piston assembly 200, the connection hole 201 may be provided on the connection shaft 310, and the connection hole 201 may be provided eccentrically to the connection shaft 310, which will not be described in detail herein.

Referring to fig. 2 and 3, in some embodiments of the present invention, the adjusting assembly 300 and the valve body assembly 100 are provided with a first limiting structure, and the first limiting structure is used to limit the axial movement of the adjusting assembly 300 along the through hole 103, so as to improve the reliability of the valve in use.

Referring to fig. 2 and 3, in some embodiments of the present invention, the first limiting structure includes a limiting member 400, an avoidance hole 104 and a first limiting groove 312, where the first limiting groove 312 is disposed on the connecting shaft 310, the avoidance hole 104 is disposed on a side wall of the through hole 103, and the limiting member 400 is inserted into the first limiting groove 312 through the avoidance hole 104 and abuts against the side wall of the first limiting groove 312, so that the reliability of use of the valve can be improved.

Specifically, the first limiting groove 312 is of an annular structure, when the adjusting assembly 300 is assembled, an assembler can insert the connecting shaft 310 into the through hole 103 and insert the abutting portion 311 into the connecting hole 201, then insert the limiting piece 400 into the first limiting groove 312 through the avoiding hole 104, and the limiting piece 400 can abut against the side wall of the avoiding hole 104 and the side wall of the first limiting groove 312 respectively so as to limit the connecting shaft 310 to move along the direction of exiting the through hole 103, so that the use reliability of the valve can be improved.

It should be noted that, the first limiting structure may also be a structure in which a nut and a limiting protrusion are matched, the limiting protrusion is disposed on the connecting shaft 310, and the limiting protrusion is disposed in the through hole 103, the nut is sleeved on the connecting shaft 310 and is in threaded connection with the outer peripheral side of the through hole 103, and the nut is abutted to the limiting protrusion, so that the connecting shaft 310 can be limited to move along a direction of exiting the through hole 103, which is not described in detail herein.

Referring to fig. 2 and 3, in some embodiments of the present invention, the valve body assembly 100 includes a valve body 110 and a valve rod 120, the first channel 101 is disposed on the valve body 110, the second channel 102 is disposed on the valve rod 120, the valve rod 120 is accommodated in the first channel 101, a guiding structure is disposed between the piston assembly 200 and the valve body assembly 100, and the piston assembly 200 can be guided, so that the piston assembly 200 moves along the circumferential direction of the first channel 101, so that the piston assembly 200 can be stably abutted against the circumferential edge of one end of the second channel 102, thereby improving the reliability of the valve in use.

Referring to fig. 2 and 3, in some embodiments of the present invention, the guide structure includes a guide groove 121 provided on the valve rod 120 and a guide portion 202 provided on the piston assembly 200, the guide groove 121 is disposed along the axial direction of the valve body assembly 100, and the guide portion 202 is accommodated in the guide groove 121, so that the piston assembly 200 can be guided, so that the piston assembly 200 moves along the circumferential direction of the first channel 101, and the piston assembly 200 can be stably abutted against the peripheral edge of one end of the second channel 102, thereby improving the reliability of the valve in use.

Specifically, two guide portions 202 are disposed opposite to each other along the circumferential direction of the piston assembly 200, two guide grooves 121 are disposed correspondingly to two guide portions 202, and the guide portions 202 are accommodated in the corresponding guide grooves 121, so that the piston assembly 200 can be guided, and the piston assembly 200 can move along the circumferential direction of the first channel 101, so that the piston assembly 200 can be stably abutted against the circumferential edge of one end of the second channel 102, and the reliability of the valve in use is improved.

It should be noted that the positions of the guide portion 202 and the guide groove 121 may also be interchanged, that is, the guide portion 202 is provided on the valve rod 120, and the guide groove 121 is provided on the piston assembly 200, which will not be described in detail herein.

It should be noted that, the movable space of the piston assembly 200 in the valve body 110 is small, through setting the guide slot 121 on the valve rod 120, when assembling the piston assembly 200, an assembler can install the piston assembly 200 in the guide slot 121 first, then put the piston assembly 200 and the valve rod 120 into the valve body 110 integrally, and the piston assembly 200 is not required to be inserted into the valve body 110 first, and then the valve rod 120 is inserted into the valve body 110, so that the limitation of the valve body 110 to the piston assembly 200 can be avoided, the relative position of the piston assembly 200 and the valve rod 120 can be adjusted, the guide part 202 is accommodated in the guide slot 121, the assembly personnel can assemble the valve conveniently, and the production efficiency of the valve can be improved.

Referring to fig. 4 and 5, in some embodiments of the present invention, the piston assembly 200 includes a piston 210 and a first seal 220, where the first seal 220 is sleeved on the piston 210, and when the piston assembly 200 is in the second state, the first seal 220 abuts against a peripheral edge of one end of the second channel 102, so as to improve sealing performance of the valve.

Specifically, the first sealing member 220 is a sealing ring structure, and when the piston assembly 200 closes the second channel 102, the first sealing member 220 abuts against the periphery of one end of the second channel 102, so that the sealing performance of the valve can be improved.

It should be noted that, in some embodiments, the first sealing member 220 may also abut against a wall surface of the second channel 102, and may also close the second channel 102, which is not described in detail herein.

Referring to fig. 8, in some embodiments of the present invention, the valve further includes a protecting member 500, where the protecting member 500 is clamped to the connecting shaft 310, and the protecting member 500 abuts against the periphery of the avoidance hole 104, so that the situation that the limiting member 400 falls off can be avoided, thereby improving the reliability of use of the valve.

Specifically, the protector 500 includes a shielding portion 510 and a clamping portion 520 connected to the shielding portion 510, where the shielding portion 510 covers the periphery of the avoidance hole 104, and the clamping portion 520 is sleeved on the connection shaft 310 and abuts against the outer peripheral side of the connection shaft 310, so that the situation that the limiter 400 falls off can be avoided, and the use reliability of the valve is improved.

Referring to fig. 3 and 8, in some embodiments of the present invention, a second limiting structure is disposed between the protection member 500 and the adjustment assembly 300, where the second limiting structure is used to limit the movement of the protection member 500 along the axial direction of the connection shaft 310, so as to avoid the situation that the shielding portion 510 does not shield the limiting member 400, and improve the reliability of use of the valve.

Referring to fig. 3 and 8, in some embodiments of the present invention, the second limiting structure includes a second limiting groove 320 provided on the adjusting component 300 and a limiting portion 530 provided on the protecting component 500, where the limiting portion 530 is accommodated in the second limiting groove 320 and abuts against a bottom wall of the second limiting groove 320, so as to avoid the occurrence of the situation that the shielding portion 510 does not shield the limiting component 400, and improve the reliability of use of the valve.

Specifically, the second limiting groove 320 is located at one side of the connecting shaft 310 away from the valve body 110, and the limiting portion 530 can abut against the bottom wall of the second limiting groove 320 to limit the movement of the protector 500 along the direction close to the valve body 110, so that the situation that the shielding portion 510 does not shield the limiter 400 can be avoided, and thus the use reliability of the valve is improved.

It should be noted that the second limiting structure may also be a structure in which the limiting pin is matched with the limiting hole, which is not described in detail herein.

It should be noted that, the end of the connecting shaft 310 away from the abutting portion 311 is connected with a screwing piece 330, the screwing piece 330 and the connecting shaft 310 are staggered, the second limiting groove 320 is formed on the screwing piece 330, and a user can rotate the connecting shaft 310 by rotating the screwing piece 330, so as to drive the piston assembly 200 to move, and the valve can be conveniently opened and closed by the user, which is not described in detail herein.

In some embodiments of the present invention, the connecting shaft 310 is sleeved with at least one second sealing member 600, where the second sealing member 600 is in a sealing ring structure, and the second sealing member 600 abuts against a wall surface of the through hole 103, so that sealing between the connecting shaft 310 and the through hole 103 can be achieved, so as to improve sealing performance of the valve.

Referring to fig. 7, in some embodiments of the present invention, a third limiting structure is disposed between the valve body 110 and the adjusting assembly 300, the third limiting structure is used for limiting the rotation angle of the adjusting assembly 300, the third limiting structure includes a third limiting groove 105 and a limiting block 340, the third limiting groove 105 is disposed on a periphery of one end of the through hole 103 far away from the first channel 101, the limiting block 340 is disposed between the connecting shaft 310 and the screwing piece 330, the limiting block 340 is accommodated in the third limiting groove 105, and when the limiting block 340 rotates, the limiting block 340 can abut against a side wall of the third limiting groove 105 to limit the rotation of the connecting shaft 310, thereby limiting the rotation angle of the adjusting assembly 300.

It should be noted that, the adjusting assembly 300 further includes a reinforcing member 350, the reinforcing member 350 is disposed between the screwing member 330 and the limiting block 340, so that the structural strength of the screwing member 330 can be improved, the situation that the screwing member 330 is broken is avoided, and the service life of the adjusting assembly 300 can be prolonged.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The present embodiment has been described in detail with reference to the drawings, but the present invention is not limited to the above embodiment, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit.

Claims (10)

1. A valve, comprising:

the valve body assembly (100), the valve body assembly (100) is axially provided with a first channel (101) and a second channel (102), the first channel (101) is communicated with the second channel (102), and a through hole (103) is formed in the side wall of the first channel (101);

a piston assembly (200) accommodated in the first channel (101) and capable of moving along the axial direction of the first channel (101) so that the piston assembly (200) has a first state and a second state, the second channel (102) is opened when the piston assembly (200) is in the first state, and the piston assembly (200) is abutted with the periphery of one end of the second channel (102) when the piston assembly (200) is in the second state so as to close the second channel (102);

the adjusting assembly (300) is rotatably inserted into the through hole (103), a connecting structure is arranged between the adjusting assembly (300) and the piston assembly (200), and the adjusting assembly (300) drives the piston assembly (200) to move through the connecting structure so that the piston assembly (200) is switched between the first state and the second state.

2. The valve according to claim 1, wherein the connection structure comprises a connection hole (201) provided in the piston assembly (200) and a connection shaft (310) provided in the adjustment assembly (300), the connection shaft (310) being provided with an abutment portion (311), the abutment portion (311) being inserted in the connection hole (201) and being capable of abutting against a side wall of the connection hole (201).

3. The valve according to claim 2, wherein the regulating assembly (300) and the valve body assembly (100) are provided with a first limiting structure for limiting the axial movement of the regulating assembly (300) along the through hole (103).

4. The valve according to claim 3, wherein the first limiting structure comprises a limiting member (400), an avoidance hole (104) and a first limiting groove (312), the first limiting groove (312) is formed in the connecting shaft (310), the avoidance hole (104) is formed in the side wall of the through hole (103), and the limiting member (400) is inserted into the first limiting groove (312) through the avoidance hole (104) and is abutted to the side wall of the first limiting groove (312).

5. The valve according to claim 1, wherein the valve body assembly (100) comprises a valve body (110) and a valve rod (120), the first channel (101) is arranged on the valve body (110), the second channel (102) is arranged on the valve rod (120), the valve rod (120) is accommodated in the first channel (101), and a guiding structure is arranged between the piston assembly (200) and the valve body assembly (100).

6. The valve according to claim 5, wherein the guide structure comprises a guide groove (121) provided in the valve rod (120) and a guide portion (202) provided in the piston assembly (200), the guide groove (121) being provided along an axial direction of the valve body assembly (100), the guide portion (202) being accommodated in the guide groove (121).

7. The valve of claim 1, wherein the piston assembly (200) includes a piston (210) and a first seal (220), the first seal (220) is sleeved on the piston (210), and the first seal (220) abuts a peripheral edge of one end of the second channel (102) when the piston assembly (200) is in the second state.

8. The valve of claim 4, further comprising a protector (500), the protector (500) being in snap engagement with the connecting shaft (310) and the protector (500) being in abutment with the periphery of the relief hole (104).

9. The valve according to claim 8, wherein a second limiting structure is provided between the protector (500) and the adjustment assembly (300), the second limiting structure being adapted to limit the axial movement of the protector (500) along the connecting shaft (310).

10. The valve according to claim 9, wherein the second limiting structure comprises a second limiting groove (320) formed in the adjusting component (300) and a limiting portion (530) formed in the protecting component (500), and the limiting portion (530) is accommodated in the second limiting groove (320) and abuts against a bottom wall of the second limiting groove (320).