CN218376783U

CN218376783U - Sealing structure and high-pressure diaphragm compressor

Info

Publication number: CN218376783U
Application number: CN202222009864.2U
Authority: CN
Inventors: 薛垂恒; 薛永亮
Original assignee: Henan Tongzhuxiang Machinery Co ltd
Current assignee: Henan Tongzhuxiang Machinery Co ltd
Priority date: 2022-07-28
Filing date: 2022-07-28
Publication date: 2023-01-24
Anticipated expiration: 2032-07-28

Abstract

The utility model relates to a high pressure diaphragm compressor field specifically is a seal structure and high pressure diaphragm compressor, include: the bottom of the shell is provided with a connecting pipe; the gas outlet, the bottom of the gas outlet is fitted with the dead plate, there are first seal rings on the surface of the dead plate, the surface of the dead plate is fitted with the plug-in ring, the surface of the plug-in ring is fitted with the seal ring, the surface of the seal ring has second seal rings; the air outlet is arranged on the surface of the shell; the beneficial effects are that: extend the ring through adding, with the grafting ring plug-in back in the venthole, the tip top of sealing ring is held on the surface that extends the ring, and the second sealing washer card is in first annular, and the surface of sealing ring is provided with the rubber pad, fixes the fixed plate at the surperficial back of shell through the screw rod, and first sealing washer card is in the second annular, on the basis that only has a set of O type sealing washer originally, has increased the sealed on second sealing washer and sealing ring surface, has strengthened the leakproofness, prevents gas leakage.

Description

Sealing structure and high-pressure diaphragm compressor

Technical Field

The utility model relates to a high pressure diaphragm compressor field specifically is a seal structure and high pressure diaphragm compressor.

Background

The diaphragm compressor is a reciprocating compressor which compresses and conveys gas by means of reciprocating motion of a diaphragm in a cylinder;

in the prior art, the internal pressure is determined by the motion degree of a piston in a diaphragm compressor, and an air outlet and an air inlet are arranged on the top and the side wall of the high-pressure diaphragm compressor;

however, the air outlet is only sealed by using the O-shaped sealing ring, the piston moves in the diaphragm compressor to enable the diaphragm compressor to generate heat, so that gas can leak out of the O-shaped sealing ring, the diaphragm compressor can compress and convey some toxic gas, and the leaked toxic gas can pollute air.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a seal structure and high-pressure diaphragm formula compressor to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a sealing structure, comprising:

the bottom of the shell is provided with a connecting pipe, and the surface of the shell is provided with an air inlet;

the gas outlet, the bottom of the gas outlet is fitted with the dead plate, there are first seal rings on the surface of the dead plate, the surface of the dead plate is fitted with the plug-in ring, the surface of the plug-in ring is fitted with the seal ring, the surface of the seal ring has second seal rings; and

and the air outlet is arranged on the surface of the shell.

Preferably, the inside of shell is provided with the diaphragm, and the inside of connecting pipe is provided with the piston, and power device is being connected to the tip of piston, and the piston motion drives the diaphragm and stretches out and draws back, reaches the compression and the transport of the inside gas of shell.

Preferably, the outside of venthole has been seted up and has been extended the hole, and the diameter that extends the hole is greater than the diameter of venthole, installs on the inner wall that extends the hole and extends the ring, extends the ring and is the annular, extends the surface of ring and has seted up first annular, and first annular is the annular, and the diameter of venthole is unanimous with the diameter of plug ring.

Preferably, the first sealing ring is annular, a second annular groove is formed in the surface of the shell, the diameter of the second annular groove is consistent with that of the first sealing ring, and the first sealing ring can be clamped in the second annular groove.

Preferably, the surface of sealing ring is provided with sealed the pad, and the one end that the fixed plate was kept away from to the sealing ring is the arc, and the diameter of sealing ring is unanimous with the diameter in extension hole, and the diameter of second sealing washer is unanimous with the diameter of first annular, and the sealing ring can be pegged graft in extending the hole, and the second sealing washer can block in first annular.

Preferably, the surface of the fixing plate is provided with a threaded hole, the surface of the shell is provided with a threaded hole, and the type of the threaded hole in the surface of the shell is consistent with that of the threaded hole in the surface of the fixing plate.

A high-pressure diaphragm compressor comprises the sealing structure.

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

through adding the extension ring, with the grafting ring back in the plug-in air inlet and outlet hole, the tip top of sealing ring is held on the surface of extension ring, and the second sealing washer card is in first annular, and the surface of sealing ring is provided with the rubber pad, fixes the fixed plate at the surperficial back of shell through the screw rod, and first sealing washer card is in the second annular, on the basis that only has a set of O type sealing washer originally, has increased the sealed on second sealing washer and sealing ring surface, has strengthened the leakproofness, prevents gas leakage.

Drawings

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

FIG. 2 is a schematic view of the three-dimensional structure of the air outlet of the present invention;

fig. 3 is an enlarged schematic view of a structure in fig. 1.

In the figure: the sealing device comprises a shell 1, an air inlet 2, an air outlet 3, a connecting pipe 4, a fixing plate 5, a first sealing ring 6, a second sealing ring 7, an inserting ring 8, a sealing ring 9, a first annular groove 10, an extending hole 11, an air outlet hole 12, an extending ring 13 and a second annular groove 14.

Detailed Description

In order to make the objects and technical solutions of the present invention clear and fully described, and the advantages thereof more clearly understood, the embodiments of the present invention are described in further detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of some, but not all, embodiments of the present invention and are not to be considered as limiting, and that all other embodiments can be made by one of ordinary skill in the art without any inventive work.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", 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, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "a," "an," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

For the purposes of simplicity and explanation, the principles of the embodiments are described by referring mainly to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one skilled in the art that the embodiments may be practiced without these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.

Referring to fig. 1-3, the present invention provides a technical solution: a sealing structure, comprising: the gas compression device comprises a shell 1, wherein a connecting pipe 4 is arranged at the bottom of the shell 1, a gas inlet 2 is arranged on the surface of the shell 1, a diaphragm is arranged inside the shell 1, a piston is arranged inside the connecting pipe 4, the end part of the piston is connected with a power device, and the diaphragm is driven by the piston to stretch and retract by the motion of the piston so as to compress and convey gas inside the shell 1;

the gas outlet 3, a fixing plate 5 is installed at the bottom of the gas outlet 3, a first sealing ring 6 is arranged on the surface of the fixing plate 5, an inserting ring 8 is installed on the surface of the fixing plate 5, a sealing ring 9 is installed on the surface of the inserting ring 8, a second sealing ring 7 is arranged on the surface of the sealing ring 9, the first sealing ring 6 is annular, a second annular groove 14 is formed in the surface of the shell 1, the diameter of the second annular groove 14 is consistent with that of the first sealing ring 6, the first sealing ring 6 can be clamped in the second annular groove 14, the first sealing ring 6 is annular, the second annular groove 14 is formed in the surface of the shell 1, the diameter of the second annular groove 14 is consistent with that of the first sealing ring 6, and the first sealing ring 6 can be clamped in the second annular groove 14;

the surface of shell 1 is located to venthole 12, and extension hole 11 has been seted up to the outside of venthole 12, and the diameter that extends hole 11 is greater than the diameter of venthole 12, installs on the inner wall that extends hole 11 and extends ring 13, and extension ring 13 is the annular, and first annular 10 has been seted up on the surface that extends ring 13, and first annular 10 is the annular, and the diameter of venthole 12 is unanimous with the diameter of grafting ring 8.

Example 1: the sealing structure comprises a shell 1, wherein a connecting pipe 4 is arranged at the bottom of the shell 1, a gas outlet 3 is arranged at the bottom of the gas outlet 3, a fixing plate 5 is arranged at the bottom of the gas outlet 3, a first sealing ring 6 is arranged on the surface of the fixing plate 5, an inserting ring 8 is arranged on the specific surface of the fixing plate 5, a sealing ring 9 is arranged on the surface of the inserting ring 8, a second sealing ring 7 is arranged on the surface of the sealing ring 9, a gas outlet hole 12 is formed in the surface of the shell 1, the inserting ring 8 is inserted into the gas outlet hole 12, the first sealing ring 6 is clamped in a second annular groove 14 after the fixing plate 5 is fixed on the surface of the shell 1 through a screw rod, the contact area is increased, and the second sealing ring 7 is clamped in the first annular groove 10 to increase a layer of sealing;

example 2: on the basis of embodiment 1, in order to enhance sealing, a diaphragm is arranged inside the housing 1, a piston is arranged inside the connecting pipe 4, the end of the piston is connected with a power device, the piston moves to drive the diaphragm to stretch and retract so as to compress and convey gas inside the housing 1, an extension hole 11 is formed outside the air outlet hole 12, the diameter of the extension hole 11 is larger than that of the air outlet hole 12, an extension ring 13 is mounted on the inner wall of the extension hole 11, the extension ring 13 is annular, a first annular groove 10 is formed in the surface of the extension ring 13, the first annular groove 10 is annular, the diameter of the air outlet hole 12 is consistent with that of the plug-in ring 8, and the end of the sealing ring 9 is supported on the surface of the extension ring 13, so that the second sealing ring 7 is clamped in the first annular groove 10, a sealing gasket on the surface of the sealing ring 9 plays a sealing role, and the second sealing ring 7 plays a sealing role;

example 3: on the basis of embodiment 2, the first seal ring 6 is annular, the surface of the housing 1 is provided with a second annular groove 14, the diameter of the second annular groove 14 is consistent with the diameter of the first seal ring 6, the first seal ring 6 can be clamped in the second annular groove 14, the surface of the seal ring 9 is provided with a seal gasket, one end, away from the fixing plate 5, of the seal ring 9 is arc-shaped, the diameter of the seal ring 9 is consistent with the diameter of the extension hole 11, the diameter of the second seal ring 7 is consistent with the diameter of the first annular groove 10, the seal ring 9 can be inserted into the extension hole 11, the second seal ring 7 can be clamped in the first annular groove 10, the surface of the fixing plate 5 is provided with a threaded hole, the surface of the housing 1 is provided with a threaded hole, the type of the threaded hole on the surface of the housing 1 is consistent with the type of the threaded hole on the surface of the fixing plate 5, the surface of the seal ring 9, which is close to the end of the housing 1 is arc-shaped, when the seal ring 9 enters the extension hole 11, the screw is screwed, the thickness of the seal ring 9 entering the extension hole 11 is gradually increased, and the sealing performance is improved.

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. A sealing structure, characterized in that: the method comprises the following steps:

the air conditioner comprises a shell (1), wherein a connecting pipe (4) is arranged at the bottom of the shell (1), and an air inlet (2) is arranged on the surface of the shell (1);

the gas outlet structure comprises a gas outlet (3), a fixed plate (5) is installed at the bottom of the gas outlet (3), a first sealing ring (6) is arranged on the surface of the fixed plate (5), an inserting ring (8) is installed on the surface of the fixed plate (5), a sealing ring (9) is installed on the surface of the inserting ring (8), and a second sealing ring (7) is arranged on the surface of the sealing ring (9); and

and the air outlet (12) is arranged on the surface of the shell (1).

2. A sealing structure according to claim 1, wherein: the gas compression and conveying device is characterized in that a diaphragm is arranged inside the shell (1), a piston is arranged inside the connecting pipe (4), the end part of the piston is connected with a power device, and the piston moves to drive the diaphragm to stretch and retract so as to compress and convey gas inside the shell (1).

3. A sealing structure according to claim 1, wherein: extension hole (11) have been seted up to the outside of venthole (12), and the diameter that extends hole (11) is greater than the diameter of venthole (12), installs on the inner wall of extension hole (11) and extends ring (13), and extension ring (13) are the annular, and first annular (10) have been seted up on the surface of extension ring (13), and first annular (10) are the annular, and the diameter of venthole (12) is unanimous with the diameter of grafting ring (8).

4. A sealing structure according to claim 2, wherein: first sealing washer (6) are the annular, and second ring groove (14) have been seted up on the surface of shell (1), and the diameter of second ring groove (14) is unanimous with the diameter of first sealing washer (6), and first sealing washer (6) can block in second ring groove (14).

5. A sealing structure according to claim 3, wherein: the surface of sealing ring (9) is provided with sealed the pad, and the one end that fixed plate (5) were kept away from in sealing ring (9) is the arc, and the diameter of sealing ring (9) is unanimous with the diameter of extending hole (11), and the diameter of second sealing washer (7) is unanimous with the diameter of first annular (10), and sealing ring (9) can peg graft in extending hole (11), and second sealing washer (7) can block in first annular (10).

6. A sealing structure according to claim 2, wherein: the surface of the fixing plate (5) is provided with a threaded hole, the surface of the shell (1) is provided with a threaded hole, and the type of the threaded hole in the surface of the shell (1) is consistent with that of the threaded hole in the surface of the fixing plate (5).

7. A high-pressure diaphragm compressor characterized by: comprising a sealing structure according to any of the preceding claims 1-6.