CN218953530U

CN218953530U - Unloading device of compressor

Info

Publication number: CN218953530U
Application number: CN202222926560.2U
Authority: CN
Inventors: 张佳亮; 赵然; 刘利民; 于春玲
Original assignee: Shenyang Hengman Compressor Manufacturing Co ltd
Current assignee: Shenyang Hengman Compressor Manufacturing Co ltd
Priority date: 2022-11-03
Filing date: 2022-11-03
Publication date: 2023-05-02
Anticipated expiration: 2032-11-03

Abstract

The utility model discloses an unloading device of a compressor, which comprises an unloader shell, wherein an assembly groove is formed in the unloader shell, a piston body is assembled in the assembly groove, a plunger is integrally formed in the center of the upper surface of the piston body, a travel rod penetrating through the unloader shell is integrally formed in the center of the lower surface of the piston body, an unloader cover is fixedly connected to the outer side wall of the plunger, a first fixing bolt is assembled between the unloader cover and the unloader shell, and a rubber ring is assembled between the unloader cover and the unloader shell. The whole volume of the unloader is reduced by redesigning the unloader, the assembly of other parts is not influenced after the unloader is assembled into the compressor, meanwhile, the unloading operation is judged by observing the plunger and the unloader cover in the unloading process through fixedly connecting the plunger and the unloader cover, and the visualization of the unloading process is completed.

Description

Unloading device of compressor

Technical Field

The utility model relates to the technical field of compressors, in particular to an unloading device of a compressor.

Background

An unloader is required to be assembled in a large and medium-sized reciprocating piston compressor to perform unloading operation on the compressor. The existing unloading devices are divided into two types, the first unloading device has smaller volume, does not occupy space and does not influence the installation of other parts, but can not realize visualization in the use process (namely whether the unloading operation is carried out or not by eyes) because the first unloading device is assembled in a closed space.

Disclosure of Invention

The present utility model is directed to an unloading device for a compressor, which solves the problems set forth in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an unloading device of compressor, includes the unloader casing, set up the assembly groove in the unloader casing, the assembly groove is equipped with the piston body in, the upper surface center department integrated into one piece of piston body has the plunger, the lower surface center department integrated into one piece of piston body has the stroke pole that runs through the unloader casing, the lateral wall fixedly connected with unloader lid of plunger, be equipped with first fixing bolt between unloader lid and the unloader casing, be equipped with the rubber circle between unloader lid and the unloader casing.

Preferably, the side wall of the unloader cover is provided with an air inlet, and the end part of the air inlet is fixedly connected with an air inlet pipe penetrating into the assembly groove.

Preferably, O-shaped rings are fixedly arranged between the piston body, the travel rod, the plunger, the assembly groove, the unloader shell and the unloader cover respectively.

Preferably, the longest length of the unloader housing is less than 90mm, the widest width of the unloader housing is less than 40mm, and the distance between the top end of the plunger to the bottom end of the travel bar is less than 90mm.

Compared with the prior art, the utility model has the beneficial effects that: the unloading device of the compressor reduces the integral volume of the unloading device by redesigning the unloading device, does not influence the assembly of other parts after being assembled into the compressor, and simultaneously judges whether the unloading operation is performed or not by observing the plunger and the unloading device cover in the unloading process through fixedly connecting the plunger and the unloading device cover, thereby completing the visualization of the unloading process.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

In the figure: 1. the device comprises an unloader shell, 2, an assembly groove, 3, a piston body, 4, a stroke rod, 5, a plunger, 6, an unloader cover, 61, an air inlet, 62, an air inlet pipe, 7, a first fixing bolt, 8, a rubber pad, 9, a second fixing bolt, 10 and an O-shaped ring.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1, the present utility model provides a technical solution: the utility model provides an unloading device of compressor, includes unloader casing 1, and the center department of unloader casing 1 has seted up assembly groove 2, and assembly groove 2 is equipped with piston body 3, and the bottom integrated into one piece of piston body 3 has stroke pole 4 that runs through unloader casing 1, triggers the operation process of unloading of outside connected mechanism through stroke pole 4 of bottom after piston body 3 receives pressure.

The piston body 3 is integrally formed with a plunger 5, the outer side wall of the plunger 5 is fixedly connected with an unloader cover 6, the top end of the plunger 5 penetrates through the unloader cover 6, a first fixing bolt 7 penetrating into the unloader shell 1 is arranged at the top of the unloader cover 6, the plunger 5 and the unloader cover 6 are fixedly connected, when the piston body 3 moves downwards under force, the plunger body 3 can synchronously move with the unloader cover 6 and the plunger 5, the unloading process is visualized, whether normal unloading operation is convenient to judge, a rubber gasket 8 is arranged between the unloader cover 6 and the unloader shell 1, the unloader shell 1 and the unloader cover 6 are sealed through the rubber gasket 8, and the rubber gasket 8 is extruded when the unloader cover 6 moves along the first fixing bolt 7 in a stroke.

The air inlet 61 is formed in the side wall of the unloader cover 6, the air inlet 61 is used for being connected with an air supply pipe with an electromagnetic valve outside, the air inlet 61 is fixedly connected with an air inlet pipe 62 communicated with the assembly groove 2, an air outlet of the air inlet pipe 62 is located above the piston body 3, high-pressure air is introduced into the air inlet pipe 62 through the air supply pipe outside, so that the piston body 3 drives the stroke rod 4, the plunger 5 and the unloader cover 6 to synchronously move downwards, and unloading is completed through the stroke rod 4.

A second fixing bolt 9 penetrating through the unloader housing 1 is inserted into the top of the unloader housing 1, and the unloader housing 1 and the inner cavity of the compressor are installed and fixed through the second fixing bolt 9.

O-shaped rings 10 are respectively arranged between the outer side walls of the piston body 3, the stroke rod 4 and the plunger 5 and the inner cavity of the assembly groove 2, the unloader shell 1 and the unloader cover 6, and the tightness among the piston body 3, the stroke rod 4 and the plunger 5 and the joint of the piston body 3, the stroke rod 4 and the plunger is ensured through the O-shaped rings 10, so that the leakage of gas is avoided.

The O-shaped ring 10 is assembled in O-shaped ring mounting grooves formed in the side walls of the piston body 3, the stroke rod 4 and the plunger 5, vacuum silicone grease is filled in the O-shaped ring mounting grooves, and the tightness of the O-shaped ring 10 and the lubricity between the O-shaped ring and the connecting parts of the O-shaped ring are enhanced by the arrangement of the vacuum silicone grease.

The longest length of the unloader shell 1 is not more than 90mm, the widest width of the unloader shell 1 is not more than 40mm, the distance between the top end of the plunger 5 and the bottom end of the travel rod 4 is not more than 90mm, the whole volume of the unloader is reduced, the occupation of space is reduced, the installation of other parts in the compressor is facilitated, and meanwhile, the unloading operation process is visualized through the assembly of the plunger 5 and the unloader cover 6, so that the unloading operation process is facilitated.

Working principle: the device is assembled in a compressor, the unloader shell 1 is fixedly connected with the inner cavity of the compressor through a second fixing bolt 9, when unloading work is needed, external high-pressure gas is enabled to enter the assembling groove 2 from the air inlet 61 and the air inlet pipe 62, the piston body 3 in the assembling groove 2 is extruded, the piston body 3 drives the travel rod 4 to move downwards to trigger a mechanism connected with the travel rod 4, unloading operation is completed, in the unloading process, the plunger 5 and the unloader cover 6 are fixedly connected, the plunger 5 and the unloader cover 6 synchronously move, the unloading operation process is visualized, and after the unloading operation is completed, the air in the assembling groove 2 is pumped out through the air supply pipe connected with the air inlet 61, so that the piston body 3 moves upwards, the unloading operation is restored to the original position, and the next unloading operation is facilitated.

Claims

1. An unloading device of a compressor, comprising an unloader housing (1), characterized in that: an assembling groove (2) is formed in the unloader shell (1), a piston body (3) is assembled in the assembling groove (2), a plunger (5) is integrally formed in the center of the upper surface of the piston body (3), a travel rod (4) penetrating through the unloader shell (1) is integrally formed in the center of the lower surface of the piston body (3), an unloader cover (6) is fixedly connected to the outer side wall of the plunger (5), a first fixing bolt (7) is assembled between the unloader cover (6) and the unloader shell (1), and a rubber ring (8) is assembled between the unloader cover (6) and the unloader shell (1).

2. An unloading device of a compressor according to claim 1, wherein: an air inlet (61) is formed in the side wall of the unloader cover (6), and an air inlet pipe (62) penetrating into the assembly groove (2) is fixedly connected to the end portion of the air inlet (61).

3. An unloading device of a compressor according to claim 1, wherein: o-shaped rings (10) are respectively and fixedly arranged between the piston body (3), the travel rod (4) and the plunger (5) and the assembly groove (2), and between the unloader shell (1) and the unloader cover (6).

4. An unloading device of a compressor according to claim 1, wherein: the longest length of the unloader housing (1) is smaller than 90mm, the widest width of the unloader housing (1) is smaller than 40mm, and the distance from the top end of the plunger (5) to the bottom end of the stroke rod (4) is smaller than 90mm.