CN220337032U

CN220337032U - Compressor piston

Info

Publication number: CN220337032U
Application number: CN202321844178.5U
Authority: CN
Inventors: 郭少华; 张宏军; 杨升弘; 李志刚
Original assignee: Inner Mongolia Zhongneng Natural Gas Co ltd
Current assignee: Inner Mongolia Zhongneng Natural Gas Co ltd
Priority date: 2023-07-13
Filing date: 2023-07-13
Publication date: 2024-01-12
Anticipated expiration: 2033-07-13

Abstract

The utility model relates to a compressor piston, which comprises a piston cylinder, a sleeve and a piston rod, wherein one end of the piston rod is fixedly connected with the side surface of the sleeve; this scheme is when the piston rod receives the drive, and the steering column can be inserted in the sleeve pipe and rotate to be connected, and the inner tube is spacing to the sleeve pipe, and the screw thread post can be spacing to the steering column, can prevent that the steering column roll-off, through rotatable screw thread post of cross groove, conveniently dismouting to the screw thread post, can overhaul or change, stir the shifting block and can slide in the guide way, can insert the inserting block on the inner wall of inner tube under the effect of spring elasticity, can be further spacing fixed to the steering column, guarantee that the steering column does not squint, the atress is stable, improves life, and conveniently takes off.

Description

Compressor piston

Technical Field

The utility model relates to the technical field of pistons, in particular to a compressor piston.

Background

The compressor is a driven fluid machine that lifts low pressure gas to high pressure gas and is the heart of the refrigeration system. The low-temperature low-pressure refrigerant gas is sucked from the air suction pipe, the motor is operated to drive the piston to compress the low-temperature low-pressure refrigerant gas, and then the high-temperature high-pressure refrigerant gas is discharged to the air discharge pipe to provide power for refrigeration cycle.

In the use process of the compressor, the use frequency of the piston is very high, and the situation that the piston is likely to deform needs to be overcome in the movement process, so that the piston needs to be checked regularly to judge whether the piston can be used continuously or not, and needs maintenance or replacement, but the common piston is inconvenient to disassemble between various structures. Accordingly, one skilled in the art provides a compressor piston to address the problems presented.

Disclosure of Invention

In order to solve the problem that the structures of the piston are inconvenient to disassemble, the utility model provides a compressor piston.

The utility model provides a compressor piston which adopts the following technical scheme:

the utility model provides a compressor piston, includes piston cylinder, sleeve pipe and piston rod, the one end and the sheathed tube side fixed connection of piston rod, two inner tubes of inside symmetry fixed mounting of piston cylinder have, and the inner tube is the cavity setting, and piston cylinder and inner tube are for lining up the setting, peg graft jointly between two inner tubes has the column of revolution, and the inner wall of inner tube and piston cylinder have the screw thread post through the screw thread installation jointly, have seted up the cross groove on the screw thread post, can dismantle maintenance or change each part, and easy to assemble.

Preferably, the end face of the threaded column is a curved surface, and the end face of the threaded column is matched with the outer side face of the piston cylinder, so that the outer side face of the piston cylinder is smooth.

Preferably, a limiting cylinder is arranged between the threaded column and the rotary column, the top and the bottom of the limiting cylinder are respectively inserted with an inserting block, a spring is arranged between the two inserting blocks, a guide groove is formed in the side face of the limiting cylinder, a shifting block is fixedly arranged on the side face of the inserting block, the two shifting blocks are respectively and slidably arranged in the two guide grooves, the end parts of the inserting blocks are inserted into the inner side wall of the inner cylinder, two groups of round holes matched with the end parts of the inserting blocks are formed in the inner side face of the inner cylinder, the rotary column can be limited, movement is prevented, and uneven stress is caused.

Preferably, the side surface of the limiting cylinder is contacted with the end part of the rotating column, so that the rotating column can be fixed, and the rotating column is ensured not to deviate.

Preferably, one end of the threaded column is contacted with the side surface of the limiting cylinder, so that the side surface of the limiting cylinder can be supported, and the stability of the limiting cylinder is ensured.

Preferably, a plurality of annular grooves are uniformly formed in the side face of the piston cylinder.

In summary, the utility model has the following beneficial technical effects:

1. when the piston rod is driven, the rotating column can be inserted into the sleeve and is rotationally connected, the sleeve is limited by the inner cylinder, the rotating column can be limited by the threaded column, the rotating column can be prevented from sliding out, the threaded column can be rotated through the cross groove, the threaded column can be conveniently disassembled and assembled, and overhauling or replacement can be performed;

2. the poking block can slide in the guide groove, the inserting block can be inserted into the inner wall of the inner barrel under the action of spring force, the rotating column can be further limited and fixed, the rotating column is ensured not to deviate, the stress is stable, the service life is prolonged, and the rotating column is convenient to take down.

Drawings

FIG. 1 is a schematic view of the overall structure of a compressor piston according to an embodiment of the present utility model;

FIG. 2 is a schematic cross-sectional elevation view of a compressor piston according to an embodiment of the present utility model;

fig. 3 is an enlarged schematic view of the region a in fig. 2.

Reference numerals illustrate: 1. a piston cylinder; 2. a sleeve; 3. a threaded column; 4. a rotating column; 5. a limiting cylinder; 11. an inner cylinder; 12. an annular groove; 21. a piston rod; 31. a cross groove; 51. inserting blocks; 52. a shifting block; 53. a guide groove; 54. and (3) a spring.

Detailed Description

The utility model is described in further detail below with reference to fig. 1-3.

It is noted that the figures are schematic and not drawn to scale. Relative dimensions and proportions of parts of the figures have been shown exaggerated or reduced in size, for the sake of clarity and convenience in the drawings, and any dimensions are merely illustrative and not limiting. The same reference numerals are used for the same structures, elements, or accessories appearing in more than two figures to embody similar features.

The embodiment of the utility model discloses a compressor piston.

The utility model provides a compressor piston, including piston cylinder 1, sleeve pipe 2 and piston rod 21, the one end of piston rod 21 and the side fixed connection of sleeve pipe 2, two inner tube 11 of the inside symmetry fixed mounting of piston cylinder 1, inner tube 11 is the cavity setting, piston cylinder 1 and inner tube 11 are link up the setting, peg graft jointly between two inner tubes 11 has column 4, the inner wall of inner tube 11 and piston cylinder 1 have screw thread post 3 jointly through the screw thread installation, cross groove 31 has been seted up on the screw thread post 3, can dismantle maintenance or change each part, and easy to assemble.

The end face of the threaded column 3 is set to be a curved surface, and the end face of the threaded column 3 is matched with the outer side face of the piston cylinder 1, so that the outer side face of the piston cylinder 1 is smooth; a limiting cylinder 5 is arranged between the threaded column 3 and the rotary column 4, the top and the bottom of the limiting cylinder 5 are respectively inserted with an inserting block 51, a spring 54 is arranged between the two inserting blocks 51, the side surface of the limiting cylinder 5 is provided with a guide groove 53, the side surface of the inserting block 51 is fixedly provided with a shifting block 52, the two shifting blocks 52 are respectively and slidably arranged in the two guide grooves 53, the end part of the inserting block 51 is inserted into the inner side wall of the inner cylinder 11, and the inner side surface is provided with two groups of round holes matched with the end part of the inserting block 51, so that the rotary column 4 can be limited, and the situation of uneven stress caused by movement is prevented; the side surface of the limit cylinder 5 is contacted with the end part of the rotary column 4, so that the rotary column 4 can be fixed, and the rotary column is ensured not to deviate; one end of the threaded column 3 is contacted with the side surface of the limiting cylinder 5, so that the side surface of the limiting cylinder 5 can be supported, and the stability of the limiting cylinder 5 is ensured; a plurality of annular grooves 12 are uniformly formed in the side face of the piston cylinder 1.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

The implementation principle of the compressor piston provided by the embodiment of the utility model is as follows: when the piston rod 21 is driven, the rotating column 4 can be inserted into the sleeve 2 and is rotationally connected, the inner cylinder 11 limits the sleeve 2, the threaded column 3 can limit the rotating column 4, the rotating column 4 can be prevented from sliding out, the threaded column 3 can be rotated through the cross groove 31, the threaded column 3 is convenient to disassemble and assemble, and maintenance or replacement can be carried out; the poking shifting block 52 can slide in the guide groove 53, the inserting block 51 can be inserted into the inner wall of the inner cylinder 11 under the action of the elastic force of the spring 54, the rotating column 4 can be further limited and fixed, the rotating column 4 is ensured not to deviate, the stress is stable, the service life is prolonged, and the rotating column is convenient to take down.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims

1. The utility model provides a compressor piston, includes piston cylinder (1), sleeve pipe (2) and piston rod (21), and the one end of piston rod (21) is fixed connection with the side of sleeve pipe (2), its characterized in that: two inner cylinders (11) are symmetrically and fixedly arranged in the piston cylinder (1), the inner cylinders (11) are hollow, the piston cylinder (1) and the inner cylinders (11) are communicated, a rotary column (4) is inserted between the two inner cylinders (11) in a joint mode, a threaded column (3) is arranged on the inner wall of the inner cylinder (11) and the piston cylinder (1) in a joint mode through threads, and cross grooves (31) are formed in the threaded column (3).

2. A compressor piston as set forth in claim 1 wherein: the end face of the threaded column (3) is set to be a curved surface, and the end face of the threaded column (3) is matched with the outer side face of the piston cylinder (1).

3. A compressor piston as set forth in claim 1 wherein: be provided with spacing section of thick bamboo (5) between screw thread post (3) and rotary column (4), the top and the bottom of spacing section of thick bamboo (5) are all pegged graft and are inserted block (51), be provided with spring (54) between two inserted block (51), guide slot (53) have been seted up to the side of spacing section of thick bamboo (5), the side fixed mounting of inserted block (51) has plectrum (52), two plectrum (52) sliding mounting respectively in two guide slots (53), the tip of inserted block (51) is pegged graft at the inside wall of inner tube (11), be provided with two sets of round holes with the tip looks adaptation of inserted block (51) on the medial surface.

4. A compressor piston as set forth in claim 3 wherein: the side surface of the limit cylinder (5) is contacted with the end part of the rotary column (4).

5. A compressor piston as set forth in claim 3 wherein: one end of the threaded column (3) is contacted with the side surface of the limit cylinder (5).

6. A compressor piston as set forth in claim 1 wherein: a plurality of annular grooves (12) are uniformly formed in the side face of the piston cylinder (1).