CN210239948U

CN210239948U - Novel compressor piston

Info

Publication number: CN210239948U
Application number: CN201921189284.8U
Authority: CN
Inventors: Pinrui Chen; 陈品睿; Jingyi Qin; 秦敬毅; Guangmei Huang; 黄光娒
Original assignee: Zhejiang Beishang New Energy Technology Co ltd
Current assignee: Zhejiang Beishang New Energy Technology Co ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-04-03
Anticipated expiration: 2029-07-24

Abstract

The utility model discloses a novel compressor piston, include: the piston body, the upper portion of piston body is equipped with the flange, and the top of flange constitutes one-level compression chamber with the interior top and the inside wall of cylinder body, and the lower part of flange and the lateral wall of piston body constitute second grade compression chamber with the inside wall of cylinder body. When the piston body moves downwards, gas enters the first-stage compression cavity, the first-stage compression of the gas is completed when the piston body moves upwards, meanwhile, the second-stage compression cavity sucks the gas after the first-stage compression, the second-stage compression of the gas is completed when the piston body moves downwards, namely, when the piston body performs reciprocating motion once, the secondary compression of the gas can be realized, and therefore, the compression efficiency is higher.

Description

Novel compressor piston

Technical Field

The utility model relates to a compressor technical field, in particular to novel compressor piston.

Background

When a piston of an existing compressor compresses air, the air is usually compressed through the top of the piston, so that when the piston reciprocates once, the air can be compressed only once, and therefore, the compression efficiency is low.

In addition, if secondary compression is to be realized, the purpose of secondary compression is mainly achieved by arranging two pistons at present, and the problem caused by the mode is that the size of the compressor is large.

Therefore, how to provide a novel compressor piston with high compression efficiency is a technical problem that needs to be solved by those skilled in the art at present.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a novel compressor piston can realize the secondary compression at a reciprocating motion to improve compression efficiency.

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

a novel compressor piston, comprising: the piston comprises a piston body, wherein a flange is arranged on the upper portion of the piston body, the top of the flange is used for forming a primary compression cavity with the inner top and the inner side wall of a cylinder body, and the lower portion of the flange and the outer side wall of the piston body are used for forming a secondary compression cavity with the inner side wall of the cylinder body.

Preferably, the outer periphery of the flange is provided with a low pressure ring groove for receiving a low pressure piston ring.

Preferably, the outer side wall of the piston body is provided with a high-pressure ring groove for accommodating a high-pressure piston ring.

Preferably, the outer side wall of the piston body is further provided with a guide ring groove for mounting a high-pressure guide ring.

Preferably, a cavity with a downward opening is formed in the piston body, and a pin hole for mounting a pin shaft is formed in a side wall of the opening of the cavity.

Preferably, the top of the chamber is provided with a primary air inlet communicated with the primary compression cavity.

Preferably, the top of the chamber is provided with a secondary air inlet communicated with the secondary compression cavity.

Compared with the prior art, the technical scheme has the following advantages:

the utility model provides a novel compressor piston, include: the piston body, the upper portion of piston body is equipped with the flange, and the top of flange constitutes one-level compression chamber with the interior top and the inside wall of cylinder body, and the lower part of flange and the lateral wall of piston body constitute second grade compression chamber with the inside wall of cylinder body. When the piston body moves downwards, gas enters the first-stage compression cavity, the first-stage compression of the gas is completed when the piston body moves upwards, meanwhile, the second-stage compression cavity sucks the gas after the first-stage compression, the second-stage compression of the gas is completed when the piston body moves downwards, namely, when the piston body performs reciprocating motion once, the secondary compression of the gas can be realized, and therefore, the compression efficiency is higher.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a novel compressor piston according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional structural view of a novel compressor piston according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a novel compressor piston according to another embodiment of the present invention;

fig. 4 is a schematic cross-sectional structural view of a novel compressor piston according to another embodiment of the present invention.

The reference numbers are as follows:

1 is the piston body, 2 is the flange, 3 is the one-level air inlet, 4 is the low pressure annular, 5 is the pinhole, 6 is the cavity, 7 is the high-pressure annular, 8 is the direction annular, 9 is the second grade air inlet.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, fig. 1 is a schematic structural diagram of a novel compressor piston according to an embodiment of the present invention; fig. 2 is a schematic cross-sectional structural view of a novel compressor piston according to an embodiment of the present invention; fig. 3 is a schematic structural diagram of a novel compressor piston according to another embodiment of the present invention; fig. 4 is a schematic cross-sectional structural view of a novel compressor piston according to another embodiment of the present invention.

The embodiment of the utility model provides a novel compressor piston, include: piston body 1, the upper portion of piston body 1 is equipped with flange 2, and the external diameter of flange 2 is greater than piston body 1's external diameter promptly, and the top of flange 2 constitutes the one-level compression chamber with the interior top and the inside wall of cylinder body, and the lower part of flange 2 and piston body 1's lateral wall constitute the second grade compression chamber with the inside wall of cylinder body. When 1 downstream of piston body, gaseous one-level compression chamber that enters into, the one-level compression of gaseous completion during 1 upstream of piston body, gaseous second grade compression chamber inhales the gas after the one-level compression simultaneously, wherein accomplish gaseous second grade compression when 1 downstream of piston body, piston body 1 can realize gaseous secondary compression when carrying out a reciprocating motion promptly, therefore compression efficiency is higher.

Further, the periphery of flange 2 is equipped with low pressure ring groove 4 that is used for holding the low pressure piston ring, can keep apart one-level compression chamber and second grade compression chamber through low pressure ring groove 4 to the condition that prevents gaseous cluster appears.

Furthermore, the outer side wall of the piston body 1 is provided with a high-pressure ring groove 7 for accommodating a high-pressure piston ring, and secondary compressed gas can be sealed in the secondary compression cavity through the high-pressure piston ring.

In order to facilitate the up-and-down movement of the piston body 1, a guide ring groove 8 for mounting a high-pressure guide ring is further arranged on the outer side wall of the piston body 1, wherein the guide ring groove 8 is preferably arranged below the high-pressure ring groove 7.

Specifically, the inside of piston body 1 is equipped with opening cavity 6 down, is equipped with the pinhole 5 that is used for the installation round pin axle on the lateral wall of the opening part of cavity 6, and the round pin axle is used for being connected with the connecting rod, and the connecting rod is connected with the bent axle, when motor drive bent axle rotated, can realize the reciprocating motion of piston body 1 in the cylinder body through the connecting rod.

Further, the top of chamber 6 is equipped with the one-level air inlet 3 with one-level compression chamber intercommunication, and gas enters into the one-level compression intracavity from the bottom of piston body 1 through one-level air inlet 3 promptly, at the in-process that the air current passes through, can cool off piston inside, and then guarantee the stability of piston work.

It should be noted that a valve plate is arranged at the first-stage air inlet 3, and when the piston moves downwards, the valve plate is opened to suck air, and when the piston moves upwards, the valve plate is closed to compress the air sucked in the first-stage compression cavity.

Furthermore, the top of the chamber 6 is provided with a secondary gas inlet 9 communicated with the secondary compression cavity, and after the gas is compressed in the primary compression cavity, the gas can enter the secondary compression cavity through the secondary gas inlet 9. The number of the primary air inlets and the secondary air inlets can be selected according to specific conditions, and when the number of the primary air inlets and the secondary air inlets is more than one, the number of the primary air inlets and the secondary air inlets is preferably distributed in an annular array mode.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

It is right above that the utility model provides a novel compressor piston has carried out the detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A novel compressor piston, comprising: the piston comprises a piston body, wherein a flange is arranged on the upper portion of the piston body, the top of the flange is used for forming a primary compression cavity with the inner top and the inner side wall of a cylinder body, and the lower portion of the flange and the outer side wall of the piston body are used for forming a secondary compression cavity with the inner side wall of the cylinder body.

2. The new compressor piston as claimed in claim 1, wherein the outer periphery of said flange is provided with a low pressure ring groove for receiving a low pressure piston ring.

3. The novel compressor piston as claimed in claim 2 wherein the outer side wall of said piston body is provided with a high pressure ring groove for receiving a high pressure piston ring.

4. The new compressor piston as claimed in claim 3, wherein said piston body is further provided with a guide ring groove on its outer sidewall for mounting a high pressure guide ring.

5. The novel compressor piston as claimed in claim 4, wherein the interior of the piston body is provided with a cavity with a downward opening, and a pin hole for mounting a pin shaft is formed in a side wall of the opening of the cavity.

6. The new compressor piston as claimed in claim 5 wherein the top of said chamber is provided with a primary inlet port communicating with said primary compression chamber.

7. The new compressor piston as claimed in claim 6 wherein the top of said chamber is provided with a secondary air inlet in communication with said secondary compression chamber.