CN222026373U

CN222026373U - Vertical check valve

Info

Publication number: CN222026373U
Application number: CN202420764667.8U
Authority: CN
Inventors: 季海群; 娄宏; 章斌
Original assignee: Zhejiang Ruixing Valve Co ltd
Current assignee: Zhejiang Ruixing Valve Co ltd
Priority date: 2024-04-12
Filing date: 2024-04-12
Publication date: 2024-11-19
Anticipated expiration: 2034-04-12

Abstract

The utility model relates to the technical field of check valves and discloses a vertical check valve which comprises a first shell, wherein a second shell is arranged below the first shell, connecting mechanisms are arranged above the first shell and below the second shell, dismounting mechanisms are arranged on the left side and the right side of the first shell and the right side of the second shell, each dismounting mechanism comprises two first thread heads, and one ends of the two first thread heads are respectively and fixedly connected to the middle parts below the left side and the right side of the first shell. According to the check valve, the first screw thread head and the second screw thread head are connected with the left side and the right side of the first shell and the second shell, the first screw thread head and the second screw thread head form a complete cylinder when being mutually attached, screw rotation movement is carried out between the screw cap and the first screw thread head and the second screw thread head, and the first shell and the second shell are connected together, so that the check valve can be conveniently disassembled, assembled and maintained by an operator.

Description

Vertical check valve

Technical Field

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

Background

A vertical check valve is a check valve designed to be vertically installed on a pipe, and is suitable for use in a pipe system requiring vertical installation, as compared with a horizontal check valve, and is generally used for a vertically flowing medium, and its working principle is similar to that of the horizontal check valve, and the main purpose is to prevent the medium from flowing reversely in the pipe, and to prevent damage to equipment or operational failure.

The condition that probably damages appears in the check valve that uses often in long-time use, needs the staff to dismantle it and maintain, but current check valve is more troublesome when dismantling, influences the operating personnel and operates.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the vertical check valve which has the advantages of being convenient for operators to disassemble, assemble and maintain the check valve and the like, and solves the problems in the prior art.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a vertical check valve, includes first casing, the below of first casing is provided with the second casing, the top of first casing and the below of second casing all are provided with coupling mechanism, the left and right sides of first casing and second casing all is provided with dismouting mechanism, dismouting mechanism includes first screw thread head, the quantity of first screw thread head is two, two the one end of first screw thread head is fixed connection respectively in the left and right sides below middle part of first casing, the equal fixedly connected with second screw thread head in the left and right sides top middle part of second casing, one side outside of first screw thread head is provided with the nut.

Preferably, the lower surface of the first shell is fixedly connected with a sealing tube.

Preferably, a clamping groove is formed in the upper surface of the second shell.

The top of seal tube perpendicular to the lower surface of first casing, the draw-in groove gomphosis is in the upper surface of second casing, and the seal tube can gomphosis be in the inside of draw-in groove, when being in the same place first casing and second casing connection, can improve the leakproofness between the two.

Preferably, the connecting mechanism comprises two threaded pipes, and one sides of the two threaded pipes are respectively and fixedly connected with the middle part of the upper surface of the first shell and the middle part of the lower surface of the second shell.

Preferably, a connecting disc is arranged on one side of the threaded pipe, and a connecting pipe is fixedly connected to the middle part of one side of the connecting disc.

Preferably, a threaded sleeve is arranged outside the connecting pipe, and a fixed disc is fixedly connected to the other side of the connecting pipe.

The connection pad corresponds with the screwed pipe each other, and the one end of connecting pipe is connected in the middle part of one side of connection pad perpendicularly, and threaded sleeve can slide from top to bottom in the outside of connecting pipe, and carries out screw thread rotation motion with the screwed pipe between, and the fixed disk can carry out threaded connection through it with the screwed pipe between, makes things convenient for the staff to carry out dismouting connection.

Compared with the prior art, the utility model provides the vertical check valve, which has the following beneficial effects:

1. According to the check valve, the first screw thread head and the second screw thread head are connected with the left side and the right side of the first shell and the second shell, the first screw thread head and the second screw thread head form a complete cylinder when being mutually attached, screw rotation movement is carried out between the screw cap and the first screw thread head and the second screw thread head, and the first shell and the second shell are connected together, so that the check valve can be conveniently disassembled, assembled and maintained by an operator.

2. According to the utility model, the connecting disc corresponds to the threaded pipe through the threaded pipe connected with the middle part of the upper surface of the first shell and the middle part of the lower surface of the ground person shell, the connecting pipe is vertically connected with the middle part of one side of the connecting disc, the threaded sleeve slides up and down outside the connecting pipe, and the threaded sleeve performs threaded rotation movement with the threaded pipe, so that the effect of connecting the first shell, the second shell and an external pipeline by workers can be achieved conveniently.

Drawings

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

fig. 2 is a schematic diagram of the front view structure of the present utility model.

Wherein: 1. a first housing; 101. a second housing; 102. sealing the tube; 103. a clamping groove; 2. a connecting mechanism; 201. a threaded tube; 202. a connecting disc; 203. a connecting pipe; 204. a threaded sleeve; 205. a fixed plate; 3. a disassembly and assembly mechanism; 301. a first thread head; 302. a second thread head; 303. and (5) a screw cap.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-2, a vertical check valve includes a first housing 1, a second housing 101 is disposed below the first housing 1, a connecting mechanism 2 is disposed above the first housing 1 and below the second housing 101, a disassembling and assembling mechanism 3 is disposed at both sides of the first housing 1 and the second housing 101, the disassembling and assembling mechanism 3 includes two first screw heads 301, one ends of the two first screw heads 301 are respectively and fixedly connected to the middle parts of the lower parts of the left side and the right side of the first housing 1, second screw heads 302 are respectively and fixedly connected to the middle parts of the upper parts of the left side and the right side of the second housing 101, a nut 303 is disposed outside one side of the first screw heads 301, the first housing 1 corresponds to the second housing 101, one ends of the two first screw heads 301 are respectively and vertically connected to the middle parts of the lower parts of the left side and the right side of the second housing 101, one ends of the two second screw heads 302 are respectively and vertically connected to the middle parts of the upper parts of the left side and the right side of the second housing 101, the first screw heads 301 and the second screw heads 302 are longitudinally attached to each other, the first screw heads 301 and the second screw heads can be mutually attached to the first housing 101 and the second housing 101, and the first screw heads and the second housing 101 can be screwed together and screwed together to form a first housing 1 and a complete first screw with the first housing and a second housing 101, and a second screw cap is attached to the first housing and a second screw with the first screw cap and a first housing and a second housing 101.

Specifically, as shown in fig. 1 and 2, a sealing tube 102 is fixedly connected to the lower surface of the first housing 1, and a clamping groove 103 is formed in the upper surface of the second housing 101.

Through the above technical scheme, the top of the sealing tube 102 is vertically connected to the lower surface of the first housing 1, the clamping groove 103 is embedded in the upper surface of the second housing 101, the sealing tube 102 can be embedded in the clamping groove 103, and when the first housing 1 and the second housing 101 are connected together, the sealing performance between the two housings can be improved.

Specifically, as shown in fig. 2, the connection mechanism 2 includes two threaded pipes 201, one side of each threaded pipe 201 is fixedly connected to the middle part of the upper surface of the first housing 1 and the middle part of the lower surface of the second housing 101, one side of each threaded pipe 201 is provided with a connection disc 202, one side middle part of each connection disc 202 is fixedly connected with a connection pipe 203, the outside of each connection pipe 203 is provided with a threaded sleeve 204, and the other side of each connection pipe 203 is fixedly connected with a fixing disc 205.

Through above-mentioned technical scheme, connection pad 202 corresponds with screwed pipe 201 each other, and the one end of connecting pipe 203 is connected in the middle part of one side of connection pad 202 perpendicularly, and screwed sleeve 204 can slide from top to bottom in the outside of connecting pipe 203, and carries out screw thread rotation motion with screwed pipe 201 between, and fixed disk 205 can carry out threaded connection through its with screwed pipe 201, makes things convenient for the staff to carry out dismouting connection.

When the screw thread connecting device is used, a worker inserts the sealing tube 102 on the lower surface of the first shell 1 into the clamping groove 103 on the upper surface of the second shell 101, the first screw thread heads 301 and the second screw thread heads 302 on two sides are mutually attached, the screw cap 303 is screwed on the outer parts of the first screw thread heads 301 and the second screw thread heads 302, the first shell 1 and the second shell 101 are fixedly connected together, finally the connecting disc 202 is attached to the screw thread tube 201, the screw thread sleeve 204 is screwed on the outer part of the screw thread tube 201, and the connecting disc 202 is fixed with the screw thread tube 201.

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

Claims

1. A vertical check valve comprising a first housing (1), characterized in that: the utility model discloses a screw cap, including first casing (1), second casing (101) are provided with below of first casing (1), the top of first casing (1) and the below of second casing (101) all are provided with coupling mechanism (2), the left and right sides of first casing (1) and second casing (101) all are provided with dismouting mechanism (3), dismouting mechanism (3) include first screw thread head (301), the quantity of first screw thread head (301) is two, two the one end of first screw thread head (301) is fixed connection respectively in the left and right sides below middle part of first casing (1), the equal fixedly connected with second screw thread head (302) in the left and right sides top middle part of second casing (101), one side outside of first screw thread head (301) is provided with nut (303).

2. A vertical check valve according to claim 1, wherein: the lower surface of the first shell (1) is fixedly connected with a sealing tube (102).

3. A vertical check valve according to claim 1, wherein: a clamping groove (103) is formed in the upper surface of the second shell (101).

4. A vertical check valve according to claim 1, wherein: the connecting mechanism (2) comprises two threaded pipes (201), and one sides of the two threaded pipes (201) are respectively and fixedly connected with the middle part of the upper surface of the first shell (1) and the middle part of the lower surface of the second shell (101).

5. A vertical check valve according to claim 4, wherein: one side of the threaded pipe (201) is provided with a connecting disc (202), and the middle part of one side of the connecting disc (202) is fixedly connected with a connecting pipe (203).

6. A vertical check valve according to claim 5, wherein: the outside of connecting pipe (203) is provided with screw sleeve (204), the opposite side fixedly connected with fixed disk (205) of connecting pipe (203).