CN210859535U

CN210859535U - Refrigerator compressor crankshaft with good heat dissipation effect

Info

Publication number: CN210859535U
Application number: CN201921397512.0U
Authority: CN
Inventors: 李毅; 李健儿; 陈巧文
Original assignee: Guangzhou Jianwen Machinery Parts Co ltd
Current assignee: Guangzhou Jianwen Machinery Parts Co ltd
Priority date: 2019-08-27
Filing date: 2019-08-27
Publication date: 2020-06-26
Anticipated expiration: 2029-08-27

Abstract

The utility model relates to the technical field of machinery, and discloses a crankshaft of a refrigerator compressor with good heat dissipation effect, which comprises a shaft body, an installation part, an eccentric block and an eccentric shaft, wherein the shaft wall of the shaft body is connected with a heat dissipation copper pipe through symmetrically arranged fixing mechanisms; the fixing mechanism comprises a fixing groove, a spring, a fixing block and a fixing hole, the fixing groove is formed in the shaft wall of the shaft body, the fixing hole is formed in the pipe wall of the heat dissipation copper pipe corresponding to the fixing groove, one end of the spring is fixedly connected to the bottom of the fixing groove, the other end of the spring is connected with one end of the fixing block, and one end, far away from the spring, of the fixing block penetrates through a notch of the fixing groove and extends into the corresponding fixing hole. The utility model discloses do not need use tool can convenient and fast fix the copper pipe that dispels the heat on the axis body.

Description

Refrigerator compressor crankshaft with good heat dissipation effect

Technical Field

The utility model relates to the technical field of machinery, especially, relate to a refrigerator compressor's that radiating effect is good bent axle.

Background

The crankshaft is a power transmission part of the compressor, external power of the motor and the like is transmitted to the compressor through the crankshaft, the crankshaft drives another compressor part mounted on the crankshaft to be connected with one another one by one, and rotary motion is converted into reciprocating motion, so that the work of the piston compressor is realized.

The patent with the Chinese patent application number of CN201820181837.4 discloses a crankshaft of refrigerator compressor, including axis body, eccentric block and eccentric shaft, the one end that the axis body is close to the eccentric block is equipped with the installation department that is used for installing the bearing, and the cover is established and has linked firmly the heat dissipation cover on the axis body, and the heat dissipation cover adopts metal material to make, dispels the heat to the axis body through the heat dissipation cover. The crankshaft of the refrigerator compressor has the following defects: the heat dissipation sleeve is fixedly connected to the shaft body through the locking screw, and the shaft body can be fixed only by using tools during fixing, so that great inconvenience is brought.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art its heat dissipation cover through linking firmly on the axis body through locking screw, must use the instrument just can fix it during fixed, very inconvenient problem, and the good refrigerator compressor's of radiating effect bent axle that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a crankshaft of a refrigerator compressor with a good heat dissipation effect comprises a shaft body, an installation part, an eccentric block and an eccentric shaft, wherein a heat dissipation copper pipe is connected to the shaft wall of the shaft body through symmetrically arranged fixing mechanisms;

the fixing mechanism comprises a fixing groove, a spring, a fixing block and a fixing hole, the fixing groove is formed in the shaft wall of the shaft body, the fixing hole is formed in the pipe wall of the heat dissipation copper pipe corresponding to the fixing groove, one end of the spring is fixedly connected to the bottom of the fixing groove, the other end of the spring is connected with one end of the fixing block, and one end, far away from the spring, of the fixing block penetrates through a notch of the fixing groove and extends into the corresponding fixing hole.

Preferably, the groove wall of the fixed groove close to one end of the notch is symmetrically and fixedly connected with sliding blocks, the side wall of the fixed block is symmetrically provided with sliding grooves along the vertical direction, and the sliding blocks are slidably connected in the corresponding sliding grooves.

Preferably, an orifice cover is hinged to an end opening, away from the shaft body, of the fixing hole.

Preferably, the tank bottom fixedly connected with gag lever post of fixed slot, the spacing groove has been seted up to the one end that the fixed block is close to the fixed slot tank bottom, the one end that the fixed slot tank bottom was kept away from to the gag lever post passes the notch of spacing groove and extends to the spacing inslot, gag lever post sliding connection is in the spacing groove.

Preferably, a sliding rod is fixedly connected to the inside of the sliding groove in the vertical direction, the sliding rod penetrates through the sliding block, and the sliding block is connected to the sliding rod in a sliding mode.

Preferably, the shaft wall of the eccentric shaft is coated with a heat dissipation coating.

Compared with the prior art, the utility model provides a refrigerator compressor's that radiating effect is good bent axle possesses following beneficial effect:

1. this refrigerator compressor's that radiating effect is good bent axle constitutes fixed establishment through setting up fixed slot, spring, fixed block and fixed orifices, with heat dissipation copper pipe box on the axis body, does not need use tools can convenient and fast fix heat dissipation copper pipe on the axis body.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses do not need use tool can convenient and fast fix the copper pipe that dispels the heat on the axis body.

Drawings

Fig. 1 is a schematic structural view of a crankshaft of a refrigerator compressor with a good heat dissipation effect according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: the heat dissipation device comprises a shaft body 1, a mounting part 2, an eccentric block 3, an eccentric shaft 4, a fixing mechanism 5, a fixing groove 51, a spring 52, a fixing block 53, a fixing hole 54, a heat dissipation copper pipe 6, a sliding block 7, a sliding groove 8, a hole cover 9, a limiting rod 10, a limiting groove 11, a sliding rod 12 and heat dissipation paint 13.

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.

Referring to fig. 1-2, a crankshaft of a refrigerator compressor with good heat dissipation effect comprises a shaft body 1, a mounting portion 2, an eccentric block 3 and an eccentric shaft 4, wherein a shaft wall of the shaft body 1 is connected with a heat dissipation copper pipe 6 through symmetrically arranged fixing mechanisms 5, the heat dissipation copper pipe 6 is sleeved on the shaft body 1, and the two fixing mechanisms 5 are symmetrically arranged on the shaft wall of the shaft body 1;

the fixing mechanism 5 comprises a fixing groove 51, a spring 52, a fixing block 53 and a fixing hole 54, wherein the fixing groove 51 is formed in the shaft wall of the shaft body 1, the fixing hole 54 is formed in the pipe wall of the heat dissipation copper pipe 6 corresponding to the fixing groove 51, one end of the spring 52 is fixedly connected to the bottom of the fixing groove 51, the other end of the spring 52 is connected with one end of the fixing block 53, one end, far away from the spring 52, of the fixing block 53 penetrates through the notch of the fixing groove 51 and extends into the corresponding fixing hole 54, the heat dissipation copper pipe 6 is sleeved on the shaft body 1, the heat dissipation effect on the shaft body 1 is good, the service life of the crankshaft is prolonged, when the heat dissipation copper pipe 6 is installed, pressing force is firstly applied to the fixing block 53, the spring 52 is compressed after the fixing block 53 is stressed, the fixing block 53 is completely pressed into the fixing groove 51, the heat dissipation copper pipe, when the fixing device is pushed to move on the shaft body 1 until the fixing hole 54 reaches the position of the fixing block 53, the compressed spring 52 enables the fixing block 53 to be popped into the fixing hole 54, and the heat dissipation copper pipe 6 can be conveniently and quickly fixed on the shaft body 1 without using tools.

Fixed slot 51 is close to symmetrical fixedly connected with slider 7 on the cell wall of notch one end position, has seted up spout 8 along vertical direction symmetry on the lateral wall of fixed block 53, and slider 7 sliding connection is in the spout 8 that corresponds, is relative motion between slider 7 and the spout 8 when fixed block 53 moves, prevents that fixed block 53 from being popped out fixed slot 51 by spring 52.

An orifice of one end of the fixing hole 54 far away from the shaft body 1 is hinged with an orifice cover 9, the orifice cover 9 can only rotate for 90 degrees, and the orifice cover 9 blocks the orifice of the fixing hole 54 to prevent dust from entering the fixing hole 54.

Fixed slot 51's tank bottom fixedly connected with gag lever post 10, the spacing groove 11 has been seted up to the one end that fixed block 53 is close to the fixed slot 51 tank bottom, and gag lever post 10 keeps away from the one end of fixed slot 51 tank bottom and passes the notch of spacing groove 11 and extend to spacing inslot 11, and gag lever post 10 sliding connection is spacing in spacing groove 11 to the direction of motion of fixed block 53 in fixed slot 51 for fixed block 53 is at the stable motion in fixed slot 51.

A sliding rod 12 is fixedly connected to the inside of the sliding groove 8 in the vertical direction, the sliding rod 12 penetrates through the sliding block 7, and the sliding block 7 is connected to the sliding rod 12 in a sliding mode, so that the sliding block 7 can stably move in the sliding groove 8.

The shaft wall of the eccentric shaft 4 is coated with heat dissipation coating 13 to enhance the heat dissipation effect on the eccentric shaft 4.

The utility model discloses in, 6 covers of copper pipe will dispel heat on axis body 1, counter axis body 1 has better radiating effect, and the life of bent axle has been increased, when installation heat dissipation copper pipe 6, exert pressing force earlier to fixed block 53, compression spring 52 behind the fixed block 53 atress, impress fixed block 53 completely in fixed slot 51, overlap heat dissipation copper pipe 6 on axis body 1 again, compressed spring 52 promotes fixed block 53 and supports on the interior pipe wall of heat dissipation copper pipe 6, promote its motion on axis body 1, reach fixed block 53 position until fixed orifices 54, compressed spring 52 is in fixed block 53 bullet income fixed orifices 54, do not need use tools can convenient and fast fix heat dissipation copper pipe 6 on axis body 1.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A crankshaft of a refrigerator compressor with a good heat dissipation effect comprises a shaft body (1), an installation part (2), an eccentric block (3) and an eccentric shaft (4), and is characterized in that a heat dissipation copper pipe (6) is connected to the shaft wall of the shaft body (1) through symmetrically arranged fixing mechanisms (5), the heat dissipation copper pipe (6) is sleeved on the shaft body (1), and the two fixing mechanisms (5) are symmetrically arranged on the shaft wall of the shaft body (1); fixed establishment (5) are including fixed slot (51), spring (52), fixed block (53) and fixed orifices (54), set up on the axle wall of axis body (1) fixed slot (51), set up on the pipe wall that heat dissipation copper pipe (6) correspond fixed slot (51) fixed orifices (54), the one end fixed connection of spring (52) is at the tank bottom of fixed slot (51), the other end of spring (52) is connected with the one end of fixed block (53), fixed block (53) are kept away from the one end of spring (52) and are passed the notch of fixed slot (51) and extend to corresponding fixed orifices (54) in.

2. The crankshaft of the refrigerator compressor with the good heat dissipation effect according to claim 1, wherein the slide blocks (7) are symmetrically and fixedly connected to the groove wall of the fixing groove (51) close to one end of the notch, the slide grooves (8) are symmetrically formed in the side wall of the fixing block (53) along the vertical direction, and the slide blocks (7) are slidably connected to the corresponding slide grooves (8).

3. The crankshaft of the refrigerator compressor with the good heat dissipation effect as recited in claim 1, wherein an end opening of the fixing hole (54) far away from the shaft body (1) is hinged with a hole cover (9).

4. The crankshaft of the refrigerator compressor with the good heat dissipation effect according to claim 1, wherein a limiting rod (10) is fixedly connected to the bottom of the fixing groove (51), a limiting groove (11) is formed in one end, close to the bottom of the fixing groove (51), of the fixing block (53), one end, far away from the bottom of the fixing groove (51), of the limiting rod (10) penetrates through a notch of the limiting groove (11) and extends into the limiting groove (11), and the limiting rod (10) is slidably connected in the limiting groove (11).

5. The crankshaft of the refrigerator compressor with the good heat dissipation effect as recited in claim 2, wherein a sliding rod (12) is fixedly connected in the sliding groove (8) along a vertical direction, the sliding rod (12) penetrates through the sliding block (7), and the sliding block (7) is slidably connected to the sliding rod (12).

6. A crankshaft for a compressor of a refrigerator with a good heat radiating effect according to claim 1, characterized in that the shaft wall of the eccentric shaft (4) is coated with a heat radiating paint (13).