CN212407600U

CN212407600U - Valve with good sealing performance

Info

Publication number: CN212407600U
Application number: CN202020417711.XU
Authority: CN
Inventors: 张谨虎
Original assignee: Zhejiang Foundry Valve Technology Co ltd
Current assignee: Zhejiang Foundry Valve Technology Co ltd
Priority date: 2020-03-27
Filing date: 2020-03-27
Publication date: 2021-01-26
Anticipated expiration: 2030-03-27

Abstract

The utility model discloses a valve that leakproofness is good, the power distribution valve comprises a valve body, the middle internally mounted of valve has sealing mechanism, the top outer wall rigid coupling of lead screw has the handle, the top outer wall of lead screw links to each other with the middle inner wall screw thread of nut, the bottom rigid coupling of nut is in the middle of the top of valve. This valve that leakproofness is good, the lead screw drives the rubber pad downstream on the roof, seal the gap between lead screw and the baffle, prevent that liquid or gas in the valve from passing through the gap leakage between valve and the lead screw, the absolute seal of valve has been guaranteed, current valve has been solved because long-time use, after the valve is opened, the gap can appear with valve center central line department to control flap's lead screw, make liquid or gas leak, lead to the poor problem of leakproofness, this valve leakproofness is good, the suitability is strong, convenient operation, it is convenient to use, current valve practicality is low to have solved, the problem of operation is not convenient for.

Description

Valve with good sealing performance

Technical Field

The utility model relates to the technical field of valves, specifically be a valve that leakproofness is good.

Background

The valve is a pipeline accessory used for opening and closing a pipeline, controlling flow direction, adjusting and controlling parameters (temperature, pressure and flow) of a conveying medium, and can be divided into a shut-off valve, a check valve, a regulating valve and the like according to functions of the valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a valve that leakproofness is good to current valve that proposes in solving above-mentioned background art is because long-time use, and when the valve was opened the back, the gap can appear with valve center central line department in control flap's lead screw, makes liquid or gas leakage, leads to the poor problem of leakproofness.

In order to achieve the above object, the utility model provides a following technical scheme: a valve with good sealing performance comprises a valve body, wherein a sealing mechanism is arranged in the middle of the valve body;

the sealing mechanism comprises a screw rod, a handle, a nut, a baffle, a rotating block, a piston, a transverse plate, a top plate and a rubber pad;

the top outer wall rigid coupling of lead screw has the handle, the top outer wall of lead screw links to each other with the middle inner wall screw thread of nut, the bottom rigid coupling of nut is in the middle of the top of valve, the below outer wall of lead screw and the middle inner chamber clearance fit of valve, the below outer wall of lead screw and the middle inner wall clearance fit of baffle, the outer wall rigid coupling of baffle is at the top inner wall of valve, the lead screw rotates with the piston through changeing the piece and links to each other, the below outer wall of piston and the middle inner wall of diaphragm are laminated mutually, the outer wall rigid coupling of diaphragm is at the below inner wall of valve, the below of lead screw is equipped with roof and rubber pad, roof and rubber pad all rotate with the lead screw through sealed bearing and link to each other, the top of roof and the bottom looks rigid.

Preferably, the outer wall of the handle is machined with friction grains.

Preferably, the left side of the lower part of the valve is provided with an inlet, and the right side of the lower part of the valve is provided with an outlet.

Preferably, the sliding mechanisms are installed on the left side and the right side of the transverse plate;

the sliding mechanism comprises a sliding block, a pin shaft, an inclined rod, a supporting plate, a sliding groove and a spring;

the left side the slider rotates with the down tube through the round pin axle and links to each other, the down tube rotates with the backup pad through the round pin axle and links to each other, the right-hand member rigid coupling of backup pad is in the middle of the left end of roof, slider and spout slip joint, the spout is seted up in the left side below of diaphragm, the top left end rigid coupling of slider has the spring, the left end rigid coupling of spring is at the left side internal surface of spout, the outer wall of spring and the internal surface clearance fit of spout.

Preferably, the sliding block and the sliding groove form a sliding structure.

Preferably, the sliding block, the pin shaft, the inclined rod, the supporting plate, the sliding groove and the spring are symmetrically distributed on the left side and the right side by taking the center line of the transverse plate as the center.

Compared with the prior art, the beneficial effects of the utility model are that: compared with the prior art, the valve with good sealing performance has the following advantages:

through the valve, the lead screw, the handle, the nut, the baffle, the commentaries on classics piece, a piston, the diaphragm, cooperation between roof and the rubber pad, it drives the lead screw at the nut internal rotation to rotate the handle, the lead screw is rebound in the baffle in the valve, the lead screw drives the middle opening that the piston left the diaphragm through changeing the piece rotation on the piston, the rubber pad rebound on the lead screw drives the roof, seal the gap between lead screw and the baffle, prevent that liquid or gas in the valve from passing through the gap leakage between valve and the lead screw, the absolute seal of valve has been guaranteed, current valve has been solved because long-time use, after the valve is opened, the gap can appear with valve center central line department to the lead to liquid or gas leakage, lead to the poor problem of leakproofness.

Through the cooperation between valve, lead screw, handle, nut, baffle, commentaries on classics piece, piston, diaphragm, roof, rubber pad, slider, round pin axle, down tube, backup pad, spout and the spring, this valve leakproofness is good, and the suitability is strong, convenient operation, and it is convenient to use, and it is low to have solved current valve practicality, the problem of the operation of being not convenient for.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is the screw, top plate and rubber pad of FIG. 1;

FIG. 3 is a schematic structural view of the screw, the rotary block and the piston in FIG. 1;

fig. 4 is a schematic structural diagram of the sliding block, the sliding groove and the spring in fig. 1.

In the figure: 1. valve, 2, inlet, 3, outlet, 4, sealing mechanism, 401, screw rod, 402, handle, 403, nut, 404, baffle, 405, rotating block, 406, piston, 407, transverse plate, 408, top plate, 409, rubber pad, 5, sliding mechanism, 501, sliding block, 502, pin shaft, 503, inclined rod, 504, support plate, 505, sliding chute, 506, spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a valve with good sealing performance comprises a valve 1, a sealing mechanism 4 is arranged in the middle of the valve 1, the sealing mechanism 4 comprises a screw rod 401, a handle 402, a nut 403, a baffle 404, a rotating block 405, a piston 406, a transverse plate 407, a top plate 408 and a rubber pad 409, the handle 402 is fixedly connected to the outer wall of the upper portion of the screw rod 401, the screw rod 401 is driven to rotate by rotating the handle 402, the outer wall of the upper portion of the screw rod 401 is in threaded connection with the inner wall of the middle of the nut 403, the screw rod 401 rotates in the nut 403 to move up and down, the bottom end of the nut 403 is fixedly connected to the middle of the top end of the valve 1, the valve 1 supports the nut 403, the outer wall of the lower portion of the screw rod 401 is in clearance fit with the inner cavity of the middle of the valve 1, the screw rod 401 rotates in the inner cavity of the middle of the valve 1, the outer, the valve 1 supports the baffle 404, the screw rod 401 is rotatably connected with the piston 406 through the rotating block 405, the screw rod 401 rotates on the piston 406 through the rotating block 405, the lower outer wall of the piston 406 is attached to the middle inner wall of the transverse plate 407, the piston 406 blocks the transverse plate 407 to obstruct the liquid or air circulation in the valve 1, when the piston 406 leaves the transverse plate 407, the valve 1 is opened, the piston 406 and the transverse plate 407 are both made of fluororubber, the outer wall of the transverse plate 407 is fixedly connected with the lower inner wall of the valve 1, the valve 1 supports the transverse plate 407, the lower part of the screw rod 401 is provided with a top plate 408 and a rubber pad 409, the top plate 408 and the rubber pad 409 are both rotatably connected with the screw rod 401 through a sealing bearing, when the screw rod 401 drives the top plate 408 and the rubber pad 409 to move upwards, the rubber pad seals the gap between the baffle 404 and the screw rod 401 to prevent the liquid or air in the, rubber pad 409 is made by the fluororubber material, and the top of roof 408 is mutually the rigid coupling with the bottom of rubber pad 409, and roof 408 supports rubber pad 409, and the outer wall processing of handle 402 has the line of rubbing, and the line of rubbing has increased the frictional force between the hand handle 402 and has prevented the hand-off.

An inlet 2 is formed in the left side of the lower portion of the valve 1, outside liquid or gas enters the valve 1 through the inlet 2, an outlet 3 is formed in the right side of the lower portion of the valve 1, the valve 1 is opened, and the liquid or gas in the valve 1 is discharged through the outlet 3.

The left side and the right side of the transverse plate 407 are both provided with a sliding mechanism 5, the sliding mechanism 5 comprises a sliding block 501, a pin shaft 502, an inclined rod 503, a supporting plate 504, a sliding groove 505 and a spring 506, the left side sliding block 501 is rotatably connected with the inclined rod 503 through the pin shaft 502, the sliding block 501 moves on the inclined rod 503 through the pin shaft 502, the inclined rod 503 is rotatably connected with the supporting plate 504 through the pin shaft 502, the inclined rod 503 moves on the supporting plate 504 through the pin shaft 502, the right end of the supporting plate 504 is fixedly connected with the middle of the left end of the top plate 408, the top plate 408 supports the supporting plate 504, the sliding block 501 is slidably clamped with the sliding groove 505, the sliding groove 505 is arranged below the left side of the transverse plate 407, the sliding block 501 slides left and right in the sliding groove 505 on the transverse plate 407, the left end above the sliding block 501 is fixedly connected with the spring 506, the sliding block 501 slides outwards to compress the, the sliding groove 505 limits the spring 506, the outer wall of the spring 506 is in clearance fit with the inner surface of the sliding groove 505, the spring 506 extends and contracts in the sliding groove 505 through elasticity of the spring, the sliding block 501 and the sliding groove 505 form a sliding structure, the sliding block 501 slides left and right in the sliding groove 505, the sliding block 501, the pin shaft 502, the diagonal rods 503, the supporting plate 504, the sliding groove 505 and the spring 506 are symmetrically distributed on the left side and the right side by taking the center line of the transverse plate 407 as the center, when the screw rod 401 drives the top plate 408 to move upwards, the diagonal rods 503 on the two sides enable the sliding blocks 501 on the two sides to slide outwards in the sliding grooves 505 on the two sides of the transverse plate 407, so that the rubber pad 409 can move upwards, deflection is avoided.

When the valve with good sealing performance is used, firstly, external liquid or gas enters the valve 1 through the inlet 2, the screw rod 401 is driven to rotate in the nut 403 by manually rotating the handle 402, the screw rod 401 moves upwards in the baffle 404 in the valve 1, the screw rod 401 rotates on the piston 406 through the rotating block 405 to drive the piston 406 to leave the middle opening of the transverse plate 407, the screw rod 401 drives the rubber pad 409 on the top plate 408 to move downwards to seal the gap between the screw rod 401 and the baffle 404, when the top plate 408 moves upwards, the inclined rods 503 on the two sides enable the sliding blocks 501 on the two sides to slide outwards in the sliding grooves 505 on the two sides of the transverse plate 407 to compress the springs 506 on the two sides, the stability of the upward movement of the rubber pad 409 is ensured, the displacement does not occur, the gap between the screw rod 401 and the baffle 404 is sealed absolutely, at the moment, the valve 1 is opened, the liquid or gas in the valve 1 is discharged through the, the piston 406 seals the opening between the cross plates 407, at which time the springs 506 on both sides are reset and the valve 1 is closed.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a valve that leakproofness is good, includes valve (1), its characterized in that: a sealing mechanism (4) is arranged in the middle of the valve (1);

the sealing mechanism (4) comprises a screw rod (401), a handle (402), a nut (403), a baffle (404), a rotating block (405), a piston (406), a transverse plate (407), a top plate (408) and a rubber pad (409);

the upper outer wall of the screw rod (401) is fixedly connected with a handle (402), the upper outer wall of the screw rod (401) is in threaded connection with the middle inner wall of a nut (403), the bottom end of the nut (403) is fixedly connected in the middle of the top end of the valve (1), the lower outer wall of the screw rod (401) is in clearance fit with the middle inner wall of a baffle (404), the outer wall of the baffle (404) is fixedly connected with the upper inner wall of the valve (1), the screw rod (401) is rotatably connected with a piston (406) through a rotating block (405), the lower outer wall of the piston (406) is attached to the middle inner wall of a transverse plate (407), the outer wall of the transverse plate (407) is fixedly connected to the lower inner wall of the valve (1), a top plate (408) and a rubber pad (409) are arranged below the screw rod (401), and the top plate (408) and the rubber pad (409) are rotatably, the top end of the top plate (408) is fixedly connected with the bottom end of the rubber pad (409).

2. The valve of claim 1, wherein: the outer wall of the handle (402) is machined with friction lines.

3. The valve of claim 1, wherein: an inlet (2) is formed in the left side of the lower portion of the valve (1), and an outlet (3) is formed in the right side of the lower portion of the valve (1).

4. The valve of claim 1, wherein: sliding mechanisms (5) are mounted on the left side and the right side of the transverse plate (407);

the sliding mechanism (5) comprises a sliding block (501), a pin shaft (502), an inclined rod (503), a supporting plate (504), a sliding groove (505) and a spring (506);

the left side slider (501) rotate with down tube (503) through round pin axle (502) and link to each other, down tube (503) rotate with backup pad (504) through round pin axle (502) and link to each other, the right-hand member rigid coupling of backup pad (504) is in the middle of the left end of roof (408), slider (501) and spout (505) slip joint, spout (505) are seted up in the left side below of diaphragm (407), the top left end rigid coupling of slider (501) has spring (506), the left end rigid coupling of spring (506) is at the left side internal surface of spout (505), the outer wall of spring (506) and the internal surface clearance fit of spout (505).

5. The valve of claim 4, wherein: the sliding block (501) and the sliding groove (505) form a sliding structure.

6. The valve of claim 4, wherein: the sliding block (501), the pin shaft (502), the inclined rod (503), the supporting plate (504), the sliding groove (505) and the spring (506) are symmetrically distributed on the left side and the right side by taking the center line of the transverse plate (407) as the center.