CN218376829U

CN218376829U - Diaphragm hydrogen compressor with pressure detection function

Info

Publication number: CN218376829U
Application number: CN202222002064.8U
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 diaphragm compressor field specifically is a diaphragm hydrogen compressor with pressure detection, include: the bottom of the shell is provided with a connecting pipe; the pressure gauge comprises a pressure gauge, wherein a screw rod is arranged at the end part of the pressure gauge, a limiting ring is arranged on the surface of the screw rod, an inserting ring is sleeved on the surface of the screw rod, and a pushing plate is arranged at the end part of the inserting ring; the threaded hole is arranged on the surface of the shell; the beneficial effects are that: through adding the spliced eye, twist the screw rod soon in the screw hole after, push away the grafting ring through the push pedal, make the grafting ring plug in the spliced eye, the surface of grafting ring is provided with the rubber pad, make the grafting ring pass through the frictional force card in the spliced eye, and protruding card advances in the annular, prevent that the grafting ring from breaking away from out from the spliced eye, the grafting intra-annular wall is provided with the stopper and is located the spacing groove, the grafting ring card is not rotating in the spliced eye, make the screw rod also can not become flexible, the stability of manometer has been guaranteed.

Description

Diaphragm hydrogen compressor with pressure detection function

Technical Field

The utility model relates to a diaphragm compressor field specifically is a diaphragm hydrogen compressor with pressure detection.

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, a diaphragm compressor for compressing and delivering hydrogen is called as a diaphragm hydrogen compressor, and the compressor is provided with a pressure gauge for detecting the pressure inside the diaphragm compressor and ensuring that no air leakage exists inside the compressor;

however, the existing pressure gauge is screwed on the surface of the diaphragm compressor through the screw, and the vibration of the diaphragm compressor makes the screw easy to loosen, so that the pressure gauge is loosened, and the accuracy of pressure detection is affected.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a diaphragm hydrogen compressor with pressure detection to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a membrane hydrogen compressor with pressure sensing, comprising:

the bottom of the shell is provided with a connecting pipe;

the pressure gauge comprises a pressure gauge, wherein a screw is arranged at the end part of the pressure gauge, a limiting ring is arranged on the surface of the screw, an inserting ring is sleeved on the surface of the screw, and a top pushing plate is arranged at the end part of the inserting ring; and

and the threaded hole is formed in the surface of the shell.

Preferably, a piston is arranged in the connecting pipe, the end of the piston is connected with a power device so that the piston can reciprocate, and a diaphragm is arranged in the shell so that the gas can be compressed and conveyed through the reciprocating motion of the piston.

Preferably, the threaded hole is connected to the inside of the shell, threads are arranged on the inner wall of the threaded hole, the inserting hole is formed in the outer portion of the threaded hole, the diameter of the inserting hole is larger than that of the threaded hole, an annular groove is formed in the inner wall of the inserting hole, and the annular groove is annular.

Preferably, the screw rod is close to the one end surface of manometer and is not provided with the screw thread, and the screw rod is kept away from the one end surface of manometer and is provided with the screw thread, and spacing ring fixed mounting is on the surface of screw rod, and the spacing ring is the annular.

Preferably, the inner wall of the plug-in ring is provided with a limiting block, a limiting groove is formed in the surface of the screw rod, the limiting block is located in the limiting groove, the limiting block can move in the limiting groove, anti-skidding lines are arranged on the surface of the pushing plate, and the pushing plate can move along with the plug-in ring.

Preferably, the surface of grafting ring is provided with the rubber pad, and the one end that the manometer was kept away from to the grafting ring is arc, and the surface of grafting ring is provided with the arch, and the arch is made by rubber, and the arch has the multiunit, even distribution on the surface of grafting ring.

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

through adding the spliced eye, twist the screw rod soon in the screw hole after, push away the grafting ring through the push pedal, make the grafting ring plug in the spliced eye, the surface of grafting ring is provided with the rubber pad, make the grafting ring pass through the frictional force card in the spliced eye, and protruding card advances in the annular, prevent that the grafting ring from breaking away from out from the spliced eye, the grafting intra-annular wall is provided with the stopper and is located the spacing groove, the grafting ring card is not rotating in the spliced eye, make the screw rod also can not become flexible, the stability of manometer has been guaranteed.

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 pressure gauge of the present invention;

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

In the figure: the pressure gauge comprises a shell 1, a connecting pipe 2, a pressure gauge 3, a screw rod 4, a limiting ring 5, a protrusion 6, an inserting ring 7, a pushing plate 8, a threaded hole 9, an inserting hole 10, an annular groove 11 and a limiting groove 12.

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 membrane hydrogen compressor with pressure sensing, comprising: the gas compressor comprises a shell 1, wherein a connecting pipe 2 is arranged at the bottom of the shell 1, a piston is arranged in the connecting pipe 2, the end part of the piston is connected with a power device to enable the piston to reciprocate, a diaphragm is arranged in the shell 1, and gas is compressed and conveyed through the reciprocating motion of the piston;

the pressure gauge comprises a pressure gauge 3, a screw rod 4 is installed at the end of the pressure gauge 3, a limiting ring 5 is arranged on the surface of the screw rod 4, an inserting ring 7 is sleeved on the surface of the screw rod 4, a pushing plate 8 is installed at the end of the inserting ring 7, no thread is arranged on the surface of one end, close to the pressure gauge 3, of the screw rod 4, a thread is arranged on the surface of one end, far away from the pressure gauge 3, of the screw rod 4, the limiting ring 5 is fixedly installed on the surface of the screw rod 4, the limiting ring 5 is annular, a limiting block is arranged on the inner wall of the inserting ring 7, a limiting groove 12 is formed in the surface of the screw rod 4, the limiting block is located in the limiting groove 12 and can move in the limiting groove 12, anti-skid threads are arranged on the surface of the pushing plate 8, the pushing plate 8 can move along with the inserting ring 7, a rubber pad is arranged on the surface of the inserting ring 7, the end, far away from the pressure gauge 3, a circular arc is provided with a bulge 6 on the surface of the inserting ring 7, the bulge 6 is made of rubber, and is provided with multiple groups and evenly distributed on the surface of the inserting ring 7;

threaded hole 9 is located the surface of shell 1, and threaded hole 9 is connected to the inside of shell 1, and the inner wall of threaded hole 9 is provided with the screw thread, and peg graft hole 10 has been seted up to the outside of threaded hole 9, and the diameter of peg graft hole 10 is greater than the diameter of threaded hole 9, and annular 11 has been seted up to the inner wall of peg graft hole 10, and annular 11 is the annular.

Screw rod 4 revolves soon in screw hole 9 after, push away grafting ring 7 through push pedal 8, make in grafting ring 7 pegs graft into spliced eye 10, the surface of grafting ring 7 is provided with the rubber pad, make in grafting ring 7 passes through the frictional force card in spliced eye 10, and protruding 6 cards advance in annular 11, prevent that grafting ring 7 from breaking away from out from spliced

eye

10, 7 inner walls of grafting ring are provided with the stopper and are located

spacing groove

12, 7 cards of grafting ring are not rotating in spliced eye 10, make screw rod 4 also can not become flexible, the stability of manometer 3 has been guaranteed.

Example 1: the pressure meter comprises a shell 1, wherein a connecting pipe 2 is arranged at the bottom of the shell 1, a pressure meter 3 is arranged, a screw rod 4 is installed at the end part of the pressure meter 3, a limiting ring 5 is arranged on the surface of the screw rod 4, an inserting ring 7 is sleeved on the surface of the screw rod 4, a pushing plate 8 is installed at the end part of the inserting ring 7, a threaded hole 9 is formed in the surface of the shell 1, the inserting ring 7 is pushed by the pushing plate 8 after the screw rod 4 is screwed in the threaded hole 9, the inserting ring 7 is inserted in an inserting hole 10, a bulge 6 is clamped in a ring groove 11, and the inserting ring 7 is clamped in the inserting hole 10 through the friction force between the inserting ring 7 and the inserting hole 10, so that the screw rod 4 is prevented from loosening;

example 2: on the basis of embodiment 1, after the inserting ring 7 is prevented from being inserted into the inserting hole 10, the inserting ring 7 falls off from the inserting hole 10, a piston is arranged inside the connecting pipe 2, the end part of the piston is connected with a power device, so that the piston performs reciprocating motion, a diaphragm is arranged inside the shell 1, gas is compressed and conveyed through the reciprocating motion of the piston, the threaded hole 9 is connected inside the shell 1, the inner wall of the threaded hole 9 is provided with threads, the outside of the threaded hole 9 is provided with the inserting hole 10, the diameter of the inserting hole 10 is larger than that of the threaded hole 9, the inner wall of the inserting hole 10 is provided with a ring groove 11, the ring groove 11 is annular, after the inserting ring 7 is inserted into the inserting hole 10, the protrusion 6 is clamped in the ring groove 11, and the ring groove 11 plays a limiting role on the protrusion 6, so that the inserting ring 7 is prevented from being separated from the inserting hole 10;

example 3: on the basis of embodiment 2, prevent that plug-in ring 7 self from blocking in spliced eye 10, but screw rod 4 rotates in plug-in ring 7 is inside, lead to screw rod 4 not hard up, the one end surface that screw rod 4 is close to manometer 3 does not set up the screw thread, the one end surface that screw rod 4 kept away from manometer 3 is provided with the screw thread, spacing ring 5 fixed mounting is on the surface of screw rod 4, spacing ring 5 is the annular, the inner wall of plug-in ring 7 is provided with the stopper, spacing groove 12 has been seted up on the surface of screw rod 4, the stopper is located spacing groove 12, the stopper can move in spacing groove 12, the surface of plug-in ring 8 is provided with anti-skidding line, and plug-in plate 8 can follow plug-in ring 7 and move together, the surface of plug-in ring 7 is provided with the rubber pad, and plug-in ring 7 keeps away from manometer 3's one end and is arc, the surface of plug-in ring 7 is provided with arch 6, arch 6 is made by rubber, and arch 6 has the multiunit, even distribution is on the surface of plug-in ring 7, spacing groove 12 has been seted up to the surface of screw rod 4, the stopper is installed to plug-in ring 7 inner wall, so can guarantee the screw rod 4 not rotate simultaneously, so screw rod 4 does not rotate.

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 diaphragm hydrogen compressor with pressure detection is characterized in that: the method comprises the following steps:

the device comprises a shell (1), wherein a connecting pipe (2) is arranged at the bottom of the shell (1);

the pressure gauge is characterized by comprising a pressure gauge (3), a screw rod (4) is installed at the end part of the pressure gauge (3), a limiting ring (5) is arranged on the surface of the screw rod (4), an inserting ring (7) is sleeved on the surface of the screw rod (4), and a pushing plate (8) is installed at the end part of the inserting ring (7); and

and the threaded hole (9) is arranged on the surface of the shell (1).

2. A membrane hydrogen compressor with pressure sensing as claimed in claim 1, wherein: the connecting pipe (2) is internally provided with a piston, the end part of the piston is connected with a power device so that the piston can reciprocate, and the shell (1) is internally provided with a diaphragm so that gas can be compressed and conveyed through the reciprocating motion of the piston.

3. A membrane hydrogen compressor with pressure sensing according to claim 2, characterized by: the threaded hole (9) is connected to the inside of the shell (1), threads are arranged on the inner wall of the threaded hole (9), an inserting hole (10) is formed in the outside of the threaded hole (9), the diameter of the inserting hole (10) is larger than that of the threaded hole (9), a ring groove (11) is formed in the inner wall of the inserting hole (10), and the ring groove (11) is annular.

4. A membrane hydrogen compressor with pressure sensing as claimed in claim 1, wherein: the screw rod (4) is close to the one end surface of manometer (3) and does not set up the screw thread, and the one end surface that manometer (3) were kept away from in screw rod (4) is provided with the screw thread, and spacing ring (5) fixed mounting is on the surface of screw rod (4), and spacing ring (5) are the annular.

5. The membrane hydrogen compressor with pressure detection according to claim 4, characterized in that: the inner wall of the inserting ring (7) is provided with a limiting block, a limiting groove (12) is formed in the surface of the screw rod (4), the limiting block is located in the limiting groove (12), the limiting block can move in the limiting groove (12), anti-skidding lines are arranged on the surface of the pushing plate (8), and the pushing plate (8) can move together with the inserting ring (7).

6. The membrane hydrogen compressor with pressure detection according to claim 5, characterized in that: the surface of the plug-in ring (7) is provided with a rubber pad, one end, far away from the pressure gauge (3), of the plug-in ring (7) is arc-shaped, the surface of the plug-in ring (7) is provided with a protrusion (6), the protrusion (6) is made of rubber, the protrusion (6) is provided with multiple groups, and the protrusions are uniformly distributed on the surface of the plug-in ring (7).