CN219975490U

CN219975490U - Fireproof check valve

Info

Publication number: CN219975490U
Application number: CN202321028237.1U
Authority: CN
Inventors: 李平阳
Original assignee: Suzhou Hengyiyuan Precision Electronics Co ltd
Current assignee: Suzhou Hengyiyuan Precision Electronics Co ltd
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-11-07
Anticipated expiration: 2033-05-04

Abstract

The utility model relates to a fireproof check valve, which aims to solve the technical problem that the mounting structure of the valve clack of the current fireproof check valve is not easy to dismount, and comprises a base and a moving device, wherein one side of the base is connected with a pipeline, a first round hole is formed in the base and is matched with the pipeline, a clamping groove is formed in the base, the moving device is connected in the clamping groove in a sliding manner, and a cover plate is arranged on one side of the base; the movable device comprises a valve body, wherein the valve body is positioned in a first round hole formed in the base, and is matched with the first round hole.

Description

Fireproof check valve

Technical Field

The utility model relates to the technical field of flues, in particular to a fireproof check valve.

Background

Fireproof check valves are arranged between the exhaust devices in the kitchen and the public flue, and the kitchen is also an environment-friendly product popularized by the construction department. Is widely applied to the construction of modern houses. The device can prevent the oil smoke from flowing backwards and can play a role in connecting pipelines.

The problem that the fire prevention check valve exists difficult dismantlement among the prior art, main reason lie in the valve clack of fire prevention check valve and base are articulated, because the adhesion of long-time oil smoke, the adhesion of oil smoke is bigger, can make the valve clack inflexible, can let the oil smoke flow backwards. In view of this, we propose a fire protection check valve.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, adapt to the actual needs, and provide a fireproof check valve so as to solve the technical problem that the installation structure of the valve clack of the fireproof check valve is not easy to disassemble.

In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows: the fireproof check valve comprises a base and a moving device, wherein one side of the base is connected with a pipeline, a first round hole is formed in the base and is matched with the pipeline, a clamping groove is formed in the base, the moving device is connected in the clamping groove in a sliding mode, and a cover plate is arranged on one side of the base;

the moving device comprises a valve body, wherein the valve body is positioned in a first round hole formed in the base, and the valve body is matched with the first round hole.

Preferably, the moving means comprises a slide plate; the sliding plate is characterized in that first sliding grooves are formed in two sides of the sliding plate, two groups of pulley grooves are formed in two ends of the bottom of the sliding plate, the two groups of pulley grooves are arranged in parallel, a plurality of groups of pulleys are arranged in the pulley grooves, and a handle is arranged on one side of the sliding plate.

Preferably, the two sides in the clamping groove are respectively provided with a convex strip, and the first sliding grooves on the two sides of the sliding plate are matched with the convex strips on the two sides in the clamping groove in a clamping way.

Preferably, two groups of second sliding grooves are formed in two ends of the bottom of the clamping groove, and the two groups of pulleys at the bottom of the sliding plate are in sliding fit with the two groups of second sliding grooves at the bottom of the clamping groove.

Preferably, the connecting blocks at two ends of the valve body are fixedly connected with the inner wall of a second round hole formed in the sliding plate, a sealing ring is arranged on the inner wall of the second round hole, and the valve body is sleeved inside the sealing ring in a circle.

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

1. according to the utility model, the clamping groove is formed in the base, the moving device slides in the clamping groove, the moving device comprises the sliding plate, the first sliding grooves on two sides of the sliding plate and the two groups of convex strips on two sides of the clamping groove slide, the cover plate is arranged on one side of the base, and the handle is pulled to drive the moving device to move by opening the cover plate, so that the valve body is taken out, the valve clack is cleaned, the valve clack in the check valve is quickly removed, and then the check valve is cleaned.

2. The moving device comprises the sliding plate, two groups of pulley grooves are formed in the bottom of the sliding plate, a plurality of groups of pulleys are arranged in the pulley grooves, and the pulleys at the bottom of the sliding plate slide with the second sliding grooves at the bottom of the clamping grooves, so that the problem that the pulling-out moving device is difficult to pull out due to larger adhesion force of oil smoke is avoided.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a differential structure according to the present utility model;

FIG. 3 is a schematic diagram of a mobile device according to the present utility model;

in the figure: 1. a base; 2. a pipe; 3. a mobile device; 4. a cover plate; 5. a clamping groove;

301. a valve body; 302. a slide plate; 303. a first chute; 304. a pulley; 305. pulley grooves; 306. a seal ring;

501. a convex strip; 502. and a second chute.

Detailed Description

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

example 1: 1-3, including base 1 and mobile device 3, one side of base 1 is connected with pipeline 2, and the inside first round hole of seting up of base 1, and first round hole and pipeline 2 adaptation, the inside draw-in groove 5 of seting up of base 1, mobile device 3 sliding connection is in draw-in groove 5, and apron 4 is installed to base 1 one side;

the mobile device 3 includes valve body 301, valve body 301 is located the inside first round hole of seting up of base 1, and valve body 301 and first round hole adaptation are equipped with draw-in groove 5 in through base 1, mobile device 3 slides in draw-in groove 5, mobile device 3 includes slide plate 302, first spout 303 of slide plate 302 both sides slides with two sets of sand grip 501 of draw-in groove 5 both sides, apron 4 is installed to base 1 one side, through opening apron 4, the pulling handle drives mobile device 3 and removes, thereby take out valve body 301, wash the valve clack, be favorable to demolishing the valve clack in the check valve fast, then wash, and is easy to operate, the practicality is good.

In particular, the mobile device 3 comprises a slide plate 302; the first sliding grooves 303 are formed in two sides of the sliding plate 302, two groups of sliding wheel grooves 305 are formed in two ends of the bottom of the sliding plate 302, the two groups of sliding wheel grooves 305 are arranged in parallel, a plurality of groups of sliding wheels 304 are arranged in the sliding wheel grooves 305, a handle is arranged on one side of the sliding plate 302, the sliding plate 302 comprises the sliding plate 302 through the moving device 3, two groups of sliding wheel grooves 305 are formed in the bottom of the sliding plate 302, a plurality of groups of sliding wheels 304 are arranged in the sliding wheel grooves 305, the sliding wheels 304 at the bottom of the sliding plate 302 slide with the second sliding grooves 502 at the bottom of the clamping groove 5, and the problem that the moving device 3 is pulled out because of adhesion force of attached oil smoke is relatively large and is not easy to pull out is avoided.

Further, the two sides in the clamping groove 5 are respectively provided with a convex strip 501, the first sliding grooves 303 on the two sides of the sliding plate 302 are matched with the convex strips 501 on the two sides in the clamping groove 5 in a clamping way, and the first sliding grooves 303 are matched and connected with the convex strips 501 to limit and fix the mobile device 3.

Still further, two sets of second sliding grooves 502 are formed at two ends of the bottom of the clamping groove 5, and two sets of pulleys 304 at the bottom of the sliding plate 302 are in sliding fit with two sets of second sliding grooves 502 at the bottom of the clamping groove 5.

It is worth to say that, the connecting blocks at two ends of the valve body 301 are fixedly connected with the inner wall of the second round hole formed in the sliding plate 302, the inner wall of the second round hole is provided with a sealing ring 306, the valve body 301 is sleeved inside the sealing ring 306, and the sealing ring 306 is arranged to avoid the problem of oil smoke backflow.

Working principle: when the check valve is fixed on a wall through a screw in use, and when the check valve needs to be cleaned, the lock on the cover plate 4 is unlocked, then the handle on one side of the mobile device 3 is pulled, two groups of pulley grooves 305 are formed in the bottom of the sliding plate 302, a plurality of groups of pulleys 304 are arranged in the pulley grooves 305, the pulleys 304 at the bottom of the sliding plate 302 slide with the second sliding grooves 502 at the bottom of the clamping groove 5, and the problem that the valve body 301 is taken out and the valve clack is cleaned due to the fact that the adhesion force of the oil smoke is relatively large when the mobile device 3 is pulled out is avoided.

The embodiments of the present utility model are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various modifications and variations can be made without departing from the spirit of the present utility model.

Claims

1. The fireproof check valve is characterized by comprising a base (1) and a moving device (3), wherein one side of the base (1) is connected with a pipeline (2), a first round hole is formed in the base (1) and is matched with the pipeline (2), a clamping groove (5) is formed in the base (1), the moving device (3) is slidably connected in the clamping groove (5), and a cover plate (4) is arranged on one side of the base (1);

the moving device (3) comprises a valve body (301), the valve body is located in a first round hole formed in the base (1), and the valve body (301) is matched with the first round hole.

2. The fire protection check valve according to claim 1, characterized in that the moving means (3) comprises a slide plate (302); the sliding plate is characterized in that first sliding grooves (303) are formed in two sides of the sliding plate (302), two groups of sliding wheel grooves (305) are formed in two ends of the bottom of the sliding plate (302), the two groups of sliding wheel grooves (305) are arranged in parallel, a plurality of groups of pulleys (304) are arranged in the sliding wheel grooves (305), and a handle is arranged on one side of the sliding plate (302).

3. The fireproof check valve according to claim 2, wherein raised strips (501) are arranged on two sides in the clamping groove (5), and the first sliding grooves (303) on two sides of the sliding plate (302) are in clamping fit with the raised strips (501) on two sides in the clamping groove (5).

4. The fireproof check valve according to claim 2, wherein two sets of second sliding grooves (502) are formed in two ends of the bottom of the clamping groove (5), and two sets of pulleys (304) in the bottom of the sliding plate (302) are in sliding fit with two sets of second sliding grooves (502) in the bottom of the clamping groove (5).

5. The fireproof check valve according to claim 2, wherein the connecting blocks at two ends of the valve body (301) are fixedly connected with the inner wall of a second round hole arranged in the sliding plate (302), a sealing ring (306) is arranged on the inner wall of the second round hole, and the valve body (301) is sleeved in the sealing ring (306) in a circle.