CN220204769U - One-way stop type safety valve - Google Patents

Abstract

The utility model relates to the technical field of safety valves and discloses a one-way stop type safety valve which effectively solves the problem that the current valve body is not easy to control the flow of a pipeline.

Description

One-way stop type safety valve

Technical Field

The utility model belongs to the technical field of safety valves, and particularly relates to a one-way stop type safety valve.

Background

According to the patent document with the application publication number of CN113531176A, the utility model name of the check valve is described in the specification: the one-way shut-off valve is in a maximum flow path position in which the valve shaft is slidable into abutment with the outlet of the water inlet passage. When water flows out from the outlet of the water inlet channel, the valve shaft is pushed to slide under the influence of water pressure, the elastic reset piece is pressed to accumulate elastic force at the moment, and after the water in the water inlet channel stops, the elastic force of the elastic reset piece is released to enable the sealing piece to be pressed against the outlet of the water inlet channel again, at the moment, the valve shaft cannot be pushed by the water in the water outlet channel because the inlet of the water outlet channel is arranged on the side wall of the valve cavity, and the valve plays a role of a one-way valve at the moment; the following drawbacks still remain:

when the unidirectional flow control is carried out, the valve body is not easy to control the flow of the pipeline, so that the pipeline control effect is poor.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the one-way stop type safety valve, which effectively solves the problem that the valve body is not easy to control the pipeline circulation flow.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the one-way stop type safety valve comprises a valve body, wherein a liquid inlet pipe is arranged at one end of the valve body, a liquid outlet pipe is arranged at the other end of the valve body, and a one-way control assembly is arranged in the valve body;

the unidirectional control subassembly includes movable mounting in the inside baffle of valve body, and the fixed column is installed to one side that the baffle is close to the feed liquor pipe, and the fixed column is located the inside of feed liquor pipe, and the inside of fixed column has been seted up the inside groove, and the inside groove runs through to the fixed column one end of keeping away from the baffle, and first circulation groove has been seted up to the outside equiangle of fixed column, and first circulation groove sets up to be rectangular, and the second circulation groove has been seted up to equiangle on the baffle, and flow control subassembly is installed on the top of valve body.

Preferably, the outer wall of the baffle is clung to the inner wall of the valve body, and the outer wall of the fixed column is clung to the inner wall of the liquid inlet pipe.

Preferably, the sliding grooves are symmetrically formed in two sides of the inner wall of the valve body, the sliding blocks are symmetrically arranged on two sides of the baffle, and the sliding blocks are slidably arranged in the sliding grooves.

Preferably, a first spring is arranged on one side of the sliding block, which is far away from the liquid inlet pipe, and one end of the first spring is fixedly connected with the inner wall of the sliding groove.

Preferably, the flow regulating assembly comprises a sliding groove formed in the inner top wall of the valve body, a sliding block is mounted at the top end of the baffle plate, and the sliding block is slidably mounted in the sliding groove.

Preferably, the fixed cylinder is installed to the top equidistance of valve body, and the inside movable mounting of fixed cylinder has the movable block, and the gag lever post is installed to the bottom of movable block, and the fixed cylinder is linked together with the sliding tray, and the second spring is installed on the top of movable block, and the bottom and the interior bottom wall fixed connection of fixed cylinder of second spring.

Preferably, the screw is installed to the top screw thread of fixed section of thick bamboo, and the bottom of screw contacts with the roof of movable block, and the twist grip is installed on the top of screw.

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

(1) According to the utility model, when liquid is fed through the liquid inlet pipe, the fixed column is pushed to enter the valve body under the action of hydraulic pressure, so that the liquid is discharged from the liquid outlet pipe through the first flow channel and the second flow channel, when liquid backflow exists, the hydraulic pressure of one side of the baffle close to the liquid outlet pipe is higher, and therefore, under the action of the hydraulic pressure and the elasticity of the first spring, the fixed column completely enters the liquid inlet pipe, backflow is blocked, and the pipeline is protected;

(2) This novel through twisting one of them screw rod for the screw rod moves down and promotes the inside that the gag lever post enters into the sliding tray, thereby adjusts the removal extreme position of baffle, thereby adjusts the fixed column and enters into the inside distance of valve body, adjusts the UNICOM area of first circulation groove, conveniently adjusts pipeline liquid flow.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic diagram of a one-way stop safety valve according to the present utility model;

FIG. 2 is a schematic view of the internal structure of the valve body of the present utility model;

FIG. 3 is a schematic diagram of a unidirectional control assembly according to the present utility model;

FIG. 4 is an enlarged view of the utility model at A in FIG. 2;

in the figure: 1. a valve body; 2. a liquid inlet pipe; 3. a liquid outlet pipe; 4. a unidirectional control assembly; 401. a baffle; 402. fixing the column; 403. an inner tank; 404. a first flow channel; 405. a second circulation tank; 406. a chute; 407. a slide block; 408. a first spring; 5. a flow regulating assembly; 501. a sliding groove; 502. a sliding block; 503. a fixed cylinder; 504. a movable block; 505. a limit rod; 506. a second spring; 507. a screw; 508. a rotating handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The first embodiment is shown in fig. 1-4, the utility model comprises a valve body 1, wherein one end of the valve body 1 is provided with a liquid inlet pipe 2, the other end of the valve body 1 is provided with a liquid outlet pipe 3, and a unidirectional control component 4 is arranged in the valve body 1;

the unidirectional control component 4 comprises a baffle 401 movably arranged in the valve body 1, a fixed column 402 is arranged on one side of the baffle 401 close to the liquid inlet pipe 2, the fixed column 402 is positioned in the liquid inlet pipe 2, an inner groove 403 is arranged in the fixed column 402, the inner groove 403 penetrates through one end of the fixed column 402 far away from the baffle 401, a first flow through groove 404 is arranged at equal angles on the outer side of the fixed column 402, the first flow through groove 404 is arranged in a strip shape, a second flow through groove 405 is arranged at equal angles on the baffle 401, a flow regulating component 5 is arranged at the top end of the valve body 1, the outer wall of the baffle 401 is tightly attached to the inner wall of the valve body 1, the outer wall of the fixed column 402 is tightly attached to the inner wall of the liquid inlet pipe 2, sliding grooves 406 are symmetrically arranged on two sides of the inner wall of the valve body 1, the slide blocks 407 are symmetrically arranged on two sides of the baffle 401, the slide blocks 407 are slidably arranged in the slide grooves 406, the first springs 408 are arranged on one side, away from the liquid inlet pipe 2, of the slide blocks 407, one ends of the first springs 408 are fixedly connected with the inner wall of the slide grooves 406, when liquid is fed into the liquid inlet pipe 2, under the action of hydraulic pressure, the fixed columns 402 are pushed into the valve body 1, so that the liquid is discharged from the liquid outlet pipe 3 through the first flow channel 404 and the second flow channel 405, when the liquid flows back, the liquid pressure on one side, close to the liquid outlet pipe 3, of the baffle 401 is larger, and therefore under the action of the hydraulic pressure and the elastic force of the first springs 408, the fixed columns 402 completely enter the liquid inlet pipe 2, backflow is blocked, and the pipeline is protected.

The flow regulating assembly 5 comprises a sliding groove 501 arranged on the inner top wall of the valve body 1, a sliding block 502 is arranged at the top end of the baffle 401, the sliding block 502 is slidably arranged in the sliding groove 501, a fixed cylinder 503 is arranged at the top end of the valve body 1 at equal intervals, a movable block 504 is movably arranged in the fixed cylinder 503, a limit rod 505 is arranged at the bottom end of the movable block 504, the fixed cylinder 503 is communicated with the sliding groove 501, a second spring 506 is arranged at the top end of the movable block 504, the bottom end of the second spring 506 is fixedly connected with the inner bottom wall of the fixed cylinder 503, a screw 507 is arranged at the top end of the fixed cylinder 503 in a threaded manner, the bottom end of the screw 507 is in contact with the top wall of the movable block 504, a rotating handle 508 is arranged at the top end of the screw 507, one of the screw 507 is screwed, so that the screw 507 moves downwards to push the limit rod 505 to enter the sliding groove 501, the movement limit position of the baffle 401 is regulated, the distance of the fixed cylinder 402 entering the valve body 1 is regulated, the communication area of the first communication groove 404 is regulated, and the flow of a pipeline is conveniently regulated.

Working principle: when the liquid backflow device is used, liquid enters the valve body 1 from the liquid inlet pipe 2, the liquid enters the inner groove 403, under the action of liquid pressure, the baffle 401 is pushed to move towards the inside of the valve body 1, the inner groove 403 partially enters the inside of the valve body 1, the liquid enters the inside of the valve body 1 through the first circulation groove 404 and is discharged from the liquid outlet pipe 3 through the second circulation groove 405, when liquid backflow exists in a pipeline, the liquid pressure on the side, close to the liquid outlet pipe 3, of the baffle 401 is larger than the liquid pressure on the side, close to the liquid inlet pipe 2, of the baffle 401, at the moment, the fixed column 402 completely enters the inside of the liquid inlet pipe 2 under the action of the elastic force and the hydraulic pressure of the first spring 408, so that liquid backflow is blocked, the pipeline safety is improved, one screw 507 at the top end of the valve body 1 is rotated, the screw 507 moves downwards to push the limit rod 505 to enter the inside of the sliding groove 501, the movement limit position of the baffle 401 is adjusted, the distance of the fixed column 402 entering the inside of the valve body 1 is adjusted, and the area of the first circulation groove 404 is adjusted, so that the liquid flow of the pipeline is convenient to adjust.

Claims (4)

1. The utility model provides a one-way stop type relief valve, includes valve body (1), its characterized in that: one end of the valve body (1) is provided with a liquid inlet pipe (2), the other end of the valve body (1) is provided with a liquid outlet pipe (3), and the inside of the valve body (1) is provided with a one-way control component (4);

the unidirectional control assembly (4) comprises a baffle plate (401) movably mounted in the valve body (1), a fixed column (402) is mounted on one side, close to the liquid inlet pipe (2), of the baffle plate (401), the fixed column (402) is located in the liquid inlet pipe (2), an inner groove (403) is formed in the fixed column (402), the inner groove (403) penetrates through one end, far away from the baffle plate (401), of the fixed column (402), a first flow through groove (404) is formed in the outer side of the fixed column (402) at equal angles, the first flow through groove (404) is arranged to be in a strip shape, a second flow through groove (405) is formed in the upper side of the baffle plate (401) at equal angles, and the top end of the valve body (1) is provided with a flow adjusting assembly (5);

flow control subassembly (5) are including seting up sliding tray (501) on the roof in valve body (1), slider (502) are installed on the top of baffle (401), slider (502) slidable mounting is in the inside of sliding tray (501), fixed section of thick bamboo (503) are installed at the top equidistance of valve body (1), movable block (504) are installed to the inside movable of fixed section of thick bamboo (503), gag lever post (505) are installed to the bottom of movable block (504), fixed section of thick bamboo (503) are linked together with sliding tray (501), second spring (506) are installed on the top of movable block (504), the bottom of second spring (506) and the interior bottom wall fixed connection of fixed section of thick bamboo (503), screw rod (507) are installed to the top screw thread of fixed section of thick bamboo (503), the bottom of screw rod (507) and the roof contact of movable block (504), revolving handle (508) are installed on the top of screw rod (507).

2. A one-way shut-off safety valve as set forth in claim 1 wherein: the outer wall of the baffle plate (401) is clung to the inner wall of the valve body (1), and the outer wall of the fixing column (402) is clung to the inner wall of the liquid inlet pipe (2).

3. A one-way shut-off safety valve as set forth in claim 1 wherein: sliding grooves (406) are symmetrically formed in two sides of the inner wall of the valve body (1), sliding blocks (407) are symmetrically arranged on two sides of the baffle plate (401), and the sliding blocks (407) are slidably arranged in the sliding grooves (406).

4. A one-way shut-off safety valve as set forth in claim 3 wherein: a first spring (408) is arranged on one side, far away from the liquid inlet pipe (2), of the sliding block (407), and one end of the first spring (408) is fixedly connected with the inner wall of the sliding groove (406).