CN217784261U

CN217784261U - Composite oxygen valve

Info

Publication number: CN217784261U
Application number: CN202220154609.4U
Authority: CN
Inventors: 洪秀霞
Original assignee: Shanghai Hongxiang Valve Industry Group Co ltd
Current assignee: Shanghai Hongxiang Valve Industry Group Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-11-11
Anticipated expiration: 2032-01-20

Abstract

The utility model discloses a compound oxygen valve, which comprises a valve body, the outer threaded pipe that admits air is connected to the one end of valve body, and the outer threaded pipe of giving vent to anger is connected to one side of valve body, and the one end that the outer threaded pipe that admits air was kept away from to the valve body is equipped with the hand wheel, hand wheel fixed connection valve rod, and the valve rod runs through the valve body, and the valve rod rotates and connect the valve body, and the inboard upper portion of valve body is equipped with the filler, and the inboard lower part of valve body is equipped with the case, and when this oxygen valve uses, through rotating the hand wheel drive valve rod and case rotation, can realize the switch of valve, convenient operation utilizes sealing ring and sealing washer can improve the sealed effect of valve body.

Description

Composite oxygen valve

Technical Field

The utility model relates to an oxygen valve technical field, concretely relates to compound oxygen valve.

Background

In the physical and chemical experiments, oxygen, nitrogen, hydrogen, argon and other gases are often used for the oxygen valve. These gases are generally stored in a special high-pressure gas cylinder, and oxygen valves often use oxygen, nitrogen, hydrogen, argon, and other gases in physicochemical experiments. These gases are typically stored in dedicated high pressure gas cylinders.

The valve rod and the valve body of the existing oxygen valve are generally in threaded connection, opening and closing of the valve can be achieved by rotating the hand wheel for many times, and operation is complex. Accordingly, one skilled in the art provides a compound oxygen valve to solve the above problems in the prior art.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a compound oxygen valve, which comprises a valve body, the outer threaded pipe that admits air is connected to the one end of valve body, and the outer threaded pipe of giving vent to anger is connected to one side of valve body, and the valve body is kept away from the one end that admits air the outer threaded pipe and is equipped with the hand wheel, hand wheel fixed connection valve rod, and the valve rod runs through the valve body, and the valve rod rotates and connects the valve body, and the inboard upper portion of valve body is equipped with the filler, and the inboard lower part of valve body is equipped with the case.

Preferably, the following components: the outer edge of the hand wheel is provided with bulges in an arrayed manner, and the outer edges of the bulges are arc-shaped.

Preferably, the following components: the valve core is arranged in a cylindrical shape.

Preferably: and sealing rings are arranged at two ends of the valve core on the inner side of the valve body.

Preferably: and air outlet holes are formed at the joints of the valve body and the air inlet external threaded pipe and the air outlet external threaded pipe.

Preferably: the upper and lower outer edge department of case has seted up the draw-in groove, and the draw-in groove sets up the annular.

Preferably, the following components: and a sealing ring is fixedly connected in the clamping groove and is made of a rubber material.

Preferably: the valve core is internally provided with through holes corresponding to the air inlet external thread pipe and the air outlet external thread pipe, and the through holes are L-shaped.

The utility model discloses a technological effect and advantage:

1. when the oxygen valve is used, the valve rod and the valve core are driven to rotate by rotating the hand wheel, so that the valve can be opened and closed, and the operation is convenient.

2. In this valve, utilize sealing ring and sealing washer can improve the sealed effect of valve body.

Drawings

Fig. 1 is a schematic structural diagram of a compound oxygen valve provided in an embodiment of the present application;

fig. 2 is a schematic view of an internal structure of a valve body in a compound oxygen valve provided in an embodiment of the present application;

fig. 3 is a schematic structural diagram of a valve core in a compound oxygen valve provided in an embodiment of the present application;

in the figure: 1. the valve comprises a valve body, 101, an air outlet hole, 2, an air inlet external threaded pipe, 3, an air outlet external threaded pipe, 4, a hand wheel, 401, a protrusion, 5, a valve rod, 6, a filler, 7, a valve core, 701, a clamping groove, 702, a sealing ring, 703, a through hole, 8 and a sealing ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Referring to fig. 1, in the present embodiment, a composite oxygen valve is provided, which includes a valve body 1, one end of the valve body 1 is connected to an air inlet external threaded pipe 2, one side of the valve body 1 is connected to an air outlet external threaded pipe 3, one end of the valve body 1, which is away from the air inlet external threaded pipe 2, is provided with a hand wheel 4, protrusions 401 are arranged at an outer edge of the hand wheel 4, and an outer edge of the protrusions 401 is arc-shaped.

Referring to fig. 2, a hand wheel 4 is fixedly connected with a valve rod 5, the valve rod 5 penetrates through a valve body 1, the valve rod 5 is rotatably connected with the valve body 1, a filler 6 is arranged at the upper part of the inner side of the valve body 1, a valve core 7 is arranged at the lower part of the inner side of the valve body 1, the valve core 7 is arranged in a cylindrical shape, sealing rings 8 are arranged at two ends of the valve core 7 at the inner side of the valve body 1, and an air outlet hole 101 is formed at the joint of the valve body 1, an air inlet external threaded pipe 2 and an air outlet external threaded pipe 3.

Referring to fig. 3, the upper and lower outer edges of the valve element 7 are provided with a groove 701, the groove 701 is arranged in a ring shape, a sealing ring 702 is fixedly connected in the groove 701, the sealing ring 702 is made of rubber material, a through hole 703 is formed in the valve element 7 corresponding to the air inlet external thread pipe 2 and the air outlet external thread pipe 3, and the through hole 703 is arranged in an L shape.

The utility model discloses a theory of operation is:

when the oxygen valve is used, the hand wheel 4 is rotated to drive the valve rod 5 and the valve core 7 to rotate, the position of a through hole 703, corresponding to the outer air outlet threaded pipe 3, of the valve core 7 is separated from the air outlet hole 101, one side, sealed by the valve core 7, is in contact with the air outlet hole 101, so that the valve is closed, the hand wheel 4 is rotated to drive the valve rod 5 and the valve core 7 to rotate, the through hole 703, corresponding to the outer air outlet threaded pipe 3, of the valve core 7 is close to the air outlet hole 101, so that the valve is communicated, the sealing effect of the valve body 1 can be improved by the aid of the sealing ring 8 and the sealing ring 702, in the oxygen valve, the valve is opened and closed by driving the valve rod 5 and the valve core 7 to rotate by rotating the hand wheel 4, and operation is convenient.

It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art and related fields without creative efforts shall fall within the protection scope of the present invention. Structures, devices and methods of operation not specifically described or illustrated in the present application are not specifically illustrated or described, but are generally practiced in the art without limitation.

Claims

1. The utility model provides a compound oxygen valve, includes valve body (1), its characterized in that, the one end of valve body (1) is connected and is admitted air external screw thread pipe (2), and the external screw thread pipe (3) of giving vent to anger is connected to one side of valve body (1), and the one end that admits air external screw thread pipe (2) was kept away from in valve body (1) is equipped with hand wheel (4), hand wheel (4) fixed connection valve rod (5), and valve rod (5) run through valve body (1), and valve rod (5) rotate and connect valve body (1), and the inboard upper portion of valve body (1) is equipped with filler (6), and the inboard lower part of valve body (1) is equipped with case (7).

2. The compound oxygen valve as claimed in claim 1, wherein the outer edge of the hand wheel (4) is provided with protrusions (401) in an array, and the outer edge of the protrusions (401) is arc-shaped.

3. A composite oxygen valve according to claim 1, characterized in that the valve core (7) is arranged in a cylindrical shape.

4. The compound oxygen valve of claim 1, wherein the sealing rings (8) are arranged at the two ends of the valve core (7) at the inner side of the valve body (1).

5. The compound oxygen valve as claimed in claim 1, wherein the connection between the valve body (1) and the air inlet external thread pipe (2) and the air outlet external thread pipe (3) is provided with an air outlet hole (101).

6. The oxygen valve as claimed in claim 4, wherein the valve core (7) has a slot (701) formed at the upper and lower outer edges thereof, and the slot (701) is formed in a ring shape.

7. The compound oxygen valve of claim 6, wherein a sealing ring (702) is fixedly connected in the slot (701), and the sealing ring (702) is made of rubber material.

8. The compound oxygen valve of claim 1, wherein the valve core (7) is internally provided with through holes (703) corresponding to the air inlet external thread pipe (2) and the air outlet external thread pipe (3), and the through holes (703) are arranged in an L shape.