CN211874681U

CN211874681U - Compressor piston structure

Info

Publication number: CN211874681U
Application number: CN202020495127.6U
Authority: CN
Inventors: 徐鹏; 徐兴华
Original assignee: Taixing Xinghua Air Valve Co ltd
Current assignee: Taixing Xinghua Air Valve Co ltd
Priority date: 2020-04-08
Filing date: 2020-04-08
Publication date: 2020-11-06
Anticipated expiration: 2030-04-08

Abstract

The utility model discloses a compressor piston structure, including the eccentric wheel, the mid-mounting of eccentric wheel has the center pin, install link mechanism through the eccentric shaft on the eccentric wheel, the piston rod is installed at the top of connecting block, the piston head is installed at the top of piston rod, the both sides of piston head are provided with the breathing groove, the valve block is installed to the top port department of piston head, the internally mounted of piston head has the baffle that floats. The utility model discloses a link mechanism sets up to double-frame structure, connect through the horizontal pole between two link mechanism, stability is higher, and install the connecting block between link mechanism and piston rod, install the tongue in the both sides of connecting block, the connecting block through this kind of design makes the lift of piston rod more stable, and installs the valve block at the top of piston head, there is the baffle of floating at the internally mounted of piston head, through its cooperation breathing groove, make its circulation and the closure that can control gas, convenient to use.

Description

Compressor piston structure

Technical Field

The utility model relates to a piston structure field specifically is a compressor piston structure.

Background

The compressor is a driven fluid machine for raising low-pressure gas into high-pressure gas, is a heart of a refrigeration system, sucks low-temperature and low-pressure refrigerant gas from an air suction pipe, drives a piston to compress the refrigerant gas through the operation of a motor, and discharges high-temperature and high-pressure refrigerant gas to an exhaust pipe to provide power for a refrigeration cycle, so that the refrigeration cycle of compression → condensation (heat release) → expansion → evaporation (heat absorption) is realized, and the compressor is divided into a piston compressor, a screw compressor, a centrifugal compressor, a linear compressor and the like, wherein the piston compressor generally comprises a shell, a motor, a cylinder body, a piston, a control device and a cooling system.

The piston structure of the compressor at the present stage has various disadvantages, such as poor stability of the piston head control, inconvenient assembly and disassembly, and poor breathing capacity of the piston head control.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a compressor piston structure to solve the poor stability of the piston head control among the prior art, and the installation is dismantled inconveniently, the poor problem of respiratory capacity of the control of piston head.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a compressor piston structure, includes the eccentric wheel, the mid-mounting of eccentric wheel has the center pin, install link mechanism through the eccentric shaft on the eccentric wheel, the connecting block is installed to link mechanism's one end, the tongue is installed to the both sides of connecting block, the piston rod is installed at the top of connecting block, the piston head is installed at the top of piston rod, the both sides of piston head are provided with the breathing groove, the valve block is installed to the top port department of piston head, the internally mounted of piston head has the baffle of floating.

Preferably, the piston head is provided with a hollow structure, and a floating spring is installed at the back side of the floating baffle.

Preferably, the eccentric wheel is installed inside the compressor through a central shaft, and one end of the central shaft is rotatably connected with the main shaft of the motor.

Preferably, one end of the connecting rod mechanism is fixedly connected with the eccentric shaft through a fixing hole, and the other end of the connecting rod mechanism is fixed with the connecting block through a bolt.

Preferably, the connecting block and the convex groove are arranged into an integral structure, and the connecting block is in sliding connection with the inner wall side of the compressor through the convex groove.

Preferably, one end of the piston rod is fixedly connected with the top bolt of the connecting block, and the other end of the piston rod is connected with the bottom of the piston head in an embedding mode.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a link mechanism sets up to double-frame structure, connect through the horizontal pole between two link mechanism, stability is higher, and install the connecting block between link mechanism and piston rod, install the tongue in the both sides of connecting block, the connecting block through this kind of design makes the lift of piston rod more stable, and installs the valve block at the top of piston head, there is the baffle of floating at the internally mounted of piston head, through its cooperation breathing groove, make its circulation and the closure that can control gas, convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a side view of the link mechanism of the present invention.

Fig. 3 is a top view of the piston head of the present invention.

In the figure: 1. a piston head; 2. a breathing groove; 3. a piston rod; 4. connecting blocks; 5. a convex groove; 6. a link mechanism; 7. an eccentric shaft; 8. an eccentric wheel; 9. a central shaft; 10. a valve plate; 11. a floating baffle.

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 3, in an embodiment of the present invention, a piston structure of a compressor includes an eccentric wheel 8, a central shaft 9 is installed at a middle portion of the eccentric wheel 8, the central shaft 9 facilitates the eccentric wheel 8 to be rotatably installed inside the compressor and to be connected to a motor, the eccentric wheel 8 is installed inside the compressor through the central shaft 9, one end of the central shaft 9 is rotatably connected to a main shaft of the motor, a link mechanism 6 is installed on the eccentric wheel 8 through an eccentric shaft 7, the link mechanism 6 is used to drive a piston rod 3 to ascend and descend through a link block 4, one end of the link mechanism 6 is fixedly connected to the eccentric shaft 7 through a fixing hole, and the other end of the link mechanism 6 is bolted to the link block 4, one end of the link mechanism 6 is installed with the link block 4, the link block 4 and a tongue 5 are integrally formed, the design of convex groove 5 makes connecting block 4's lift more stable, thereby improve the stability that piston rod 3 goes up and down, convex groove 5 is installed to the both sides of connecting block 4, piston rod 3 is installed at the top of connecting block 4, the one end of piston rod 3 and the top bolt fixed connection of connecting block 4, and the other end of piston rod 3 is connected with piston head 1's bottom through inlaying the mode, piston head 1 is installed at the top of piston rod 3, piston head 1 is used for carrying out compression control to gas, piston head 1 sets up to hollow structure, and floating baffle 11's dorsal part installs floating spring, floating baffle 11 can link up of automatic control piston head 1 inner chamber, thereby control breathing groove 2's automatic breathing, piston head 1's both sides are provided with breathing groove 2, valve block 10 is installed to piston head 1's top port department.

The utility model discloses a theory of operation is: when the device is used, two ends of a connecting rod mechanism 6 are arranged between a connecting block 4 and an eccentric wheel 8, one end of the connecting rod mechanism 6 is connected with an eccentric shaft 7 on the eccentric wheel 8, the eccentric wheel 8 is driven to rotate by a motor, the eccentric wheel 8 drives the connecting block 4 to lift through the connecting rod mechanism 6, the connecting block 4 controls the lifting of a piston rod 3, the piston rod 3 controls the lifting of a piston head 1, gas is compressed and controlled through the piston head 1, the gas is pressed on a floating baffle plate 11 through a valve plate 10, a space is reserved between the valve plate 10 and the floating baffle plate 11, and therefore the gas is discharged to the upper side of the piston head 1 through a breathing groove 2.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a compressor piston structure, includes eccentric wheel (8), its characterized in that the mid-mounting of eccentric wheel (8) has center pin (9), install link mechanism (6) through eccentric shaft (7) on eccentric wheel (8), connecting block (4) are installed to the one end of link mechanism (6), tongue (5) are installed to the both sides of connecting block (4), piston rod (3) are installed at the top of connecting block (4), piston head (1) are installed at the top of piston rod (3), the both sides of piston head (1) are provided with breathing groove (2), valve block (10) are installed to the top port department of piston head (1), the internally mounted of piston head (1) has floating baffle (11).

2. A piston structure for a compressor according to claim 1, wherein: the piston head (1) is of a hollow structure, and a floating spring is mounted on the back side of the floating baffle (11).

3. A piston structure for a compressor according to claim 1, wherein: the eccentric wheel (8) is installed in the compressor through a central shaft (9), and one end of the central shaft (9) is rotatably connected with a motor spindle.

4. A piston structure for a compressor according to claim 1, wherein: one end of the connecting rod mechanism (6) is fixedly connected with the eccentric shaft (7) through a fixing hole, and the other end of the connecting rod mechanism (6) is fixed with the connecting block (4) through a bolt.

5. A piston structure for a compressor according to claim 1, wherein: connecting block (4) set up structure as an organic whole with tongue (5), and connecting block (4) are connected with the inner wall side sliding of compressor through tongue (5).

6. A piston structure for a compressor according to claim 1, wherein: one end of the piston rod (3) is fixedly connected with the top bolt of the connecting block (4), and the other end of the piston rod (3) is connected with the bottom of the piston head (1) in an embedding mode.