Upper shell structure for scroll refrigeration compressor

Abstract

The utility model discloses an upper shell structure for a scroll type refrigeration compressor, which belongs to the technical field of scroll type refrigeration compressors and comprises an upper shell, a U-shaped frame is fixedly connected to one side of the upper shell, a connecting assembly is connected to the U-shaped frame, and the U-shaped frame is connected with a heat dissipation assembly through the connecting assembly. The heat dissipation assembly comprises a protective shell connected with the connecting assembly, a motor is fixedly connected to the outer wall of the lower portion of the protective shell, the output end of the motor penetrates through the bottom wall of the protective shell, extends into the protective shell and is fixedly connected with a worm, the heat dissipation assembly is matched with the first heat dissipation holes, heat dissipation can be conducted on the interior of the upper shell, and therefore the efficiency of the scroll type refrigeration compressor is improved; according to the upper shell structure for the scroll type refrigeration compressor, deterioration of lubricating oil is slowed down, the service life of the scroll type refrigeration compressor is prolonged, the heat dissipation assembly can be detached by moving the insertion block out of the channel in the U-shaped frame through the connecting assembly, maintenance or replacement of the heat dissipation assembly is facilitated, and the practicability of the upper shell structure for the scroll type refrigeration compressor is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to scroll refrigeration compressor technical field especially uses the upper casing structure of scroll refrigeration compressor. BACKGROUND

[0002] The scroll refrigeration compressor is a kind of displacement compressor, and its compression component is mainly composed of dynamic scroll disc and static scroll disc.The working principle of the compressor is to utilize the relative revolution of dynamic scroll disc and static scroll disc to form the continuous change of closed volume, to realize the purpose of compressed gas.This kind of compressor has the advantages of small vibration, low noise, high volumetric efficiency and compact structure, and is widely used in the fields of refrigeration, air conditioning and general gas compression.

[0003] However, scroll refrigeration compressor generates a large amount of heat in the working process, and high temperature not only reduces the efficiency of the compressor, but also accelerates the deterioration of lubricating oil, shortens the service life of the compressor.The traditional heat dissipation mode is mainly through the lubricating oil and cooling medium inside the compressor to absorb and take away heat, and then through the natural convection and radiation heat dissipation of the compressor shell.But this way has limited heat dissipation efficiency, especially in high temperature or high load working condition, it is difficult to meet the heat dissipation demand of the compressor.

[0004] In order to solve this problem, the industry began to try to increase the heat dissipation component outside the upper casing structure of scroll refrigeration compressor.These heat dissipation components usually adopt fin, heat dissipation fan or heat exchanger structure.But the design of heat dissipation component also needs to consider the compatibility and detachability with the upper casing structure of compressor, so as to facilitate maintenance and replacement. UTILITY MODEL CONTENTS

[0005] The utility model aims at solving the shortcomings in prior art, and provides an upper casing structure for scroll refrigeration compressor.

[0006] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: including upper casing, one side of the upper casing is fixedly connected with U-shaped frame, the U-shaped frame is connected with connecting assembly, and the U-shaped frame is connected with heat dissipation component through connecting assembly;The heat dissipation component includes the protective shell connected with the connecting assembly, the lower outer wall of the protective shell is fixedly connected with motor, the output end of the motor penetrates the bottom wall of the protective shell and extends into the protective shell and is fixedly connected with worm, the inner surface of the protective shell is rotatably connected with multiple rotating columns, one end of multiple rotating columns close to the upper casing is fixedly connected with multiple fan blades, the outer part of multiple rotating columns is fixedly connected with multiple worm gears, and the worm is meshed with multiple worm gears.

[0007] As a further description of the above technical scheme:

[0008] The connecting assembly comprises a fixed block fixed to one side of the U-shaped frame away from the upper shell, a fixed rod connected to the fixed block through sliding penetration, a pulling block fixed to the top end of the fixed rod, a spring sleeved outside the fixed rod, an insertion block fixed to one side of the protective shell away from the upper shell, the insertion block penetrating the U-shaped frame through sliding at one end away from the protective shell and extending to the other side of the U-shaped frame, a fixing hole formed in the insertion block, and the bottom end of the fixed rod extending into the fixing hole.

[0009] As a further description of the above technical solution:

[0010] The two ends of the spring are fixed to the bottom surface of the pulling block and the top surface of the fixed block, respectively.

[0011] As a further description of the above technical solution:

[0012] A through hole is formed in the fixed block, and the fixed rod is connected to the through hole through sliding.

[0013] As a further description of the above technical solution:

[0014] The side wall of the protective shell is provided with a plurality of second heat dissipation holes.

[0015] As a further description of the above technical solution:

[0016] The top end of the worm is rotatably connected to the inner top surface of the protective shell.

[0017] As a further description of the above technical solution:

[0018] The upper shell is provided with a plurality of first heat dissipation holes on both sides, and a sealing gasket is mounted on the edge of each first heat dissipation hole.

[0019] The utility model has the following beneficial effects:

[0020] 1、The utility model discloses a heat dissipation assembly cooperates with the first heat dissipation hole, can heat dissipation is carried out in the upper shell, so as to improve the efficiency of the scroll refrigeration compressor, slow down the deterioration of lubricating oil, prolong the service life of the scroll refrigeration compressor.

[0021] 2、The utility model discloses a connecting assembly, removes the insertion block from the channel on the U-shaped frame, can detach the heat dissipation assembly, is convenient for the maintenance or replacement of the heat dissipation assembly, improves the practicality of the upper shell structure of the scroll refrigeration compressor. DRAWINGS

[0022] Figure 1 The heat dissipation assembly of the upper shell structure of the scroll refrigeration compressor is shown in the figure.

[0023] Figure 2The whole structure schematic diagram of the upper casing structure for the scroll type refrigeration compressor Figure One ;

[0024] Figure 3 The whole structure schematic diagram of the upper casing structure for the scroll type refrigeration compressor Figure 2 A enlarged schematic view of the position

[0025] Figure 4 The whole structure schematic diagram of the upper casing structure for the scroll type refrigeration compressor Figure Two .

[0026] Legend:

[0027] 1, upper casing; 2, U-shaped frame; 3, heat dissipation hole one; 4, protective shell; 5, motor; 6, heat dissipation hole two; 7, plug block; 8, fixing hole; 9, fixed block; 10, spring; 11, pull block; 12, through hole; 13, worm; 14, fan blade; 15, rotating column; 16, worm gear; 17, fixed rod. Specific implementation

[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0029] With reference to Figures 1-4 , the present application provides an embodiment: comprising an upper casing 1, one side of the upper casing 1 is fixedly connected with a U-shaped frame 2, the U-shaped frame 2 is connected with a connecting assembly, the U-shaped frame 2 is connected with a heat dissipation assembly through the connecting assembly, through the connecting assembly, the heat dissipation assembly can be disassembled, which is convenient for maintenance or replacement of the heat dissipation assembly; the heat dissipation assembly comprises a protective shell 4 connected with the connecting assembly, a motor 5 is fixedly connected to the lower outer wall of the protective shell 4, the output end of the motor 5 penetrates the bottom wall of the protective shell 4 and extends into the protective shell 4 and is fixedly connected with a worm 13, a plurality of rotating columns 15 are rotatably connected to the inner surface of the protective shell 4, one end of each of the plurality of rotating columns 15 close to the upper casing 1 is fixedly connected with a plurality of fan blades 14, the outer part of each of the plurality of rotating columns 15 is fixedly connected with a worm gear 16, and the worm 13 is meshingly connected with the plurality of worm gears 16.

[0030] The connecting assembly comprises a fixed block 9 fixed to one side of the U-shaped frame 2 away from the upper shell 1, a fixed rod 17 connected to the fixed block 9 through sliding penetration, a pulling block 11 fixed to the top end of the fixed rod 17, a spring 10 sleeved outside the fixed rod 17, an insertion block 7 fixed to one side of the protective shell 4 away from the upper shell 1, the insertion block 7 penetrating the U-shaped frame 2 through sliding from one end of the protective shell 4 and extending to the other side of the U-shaped frame 2, a fixed hole 8 being formed in the insertion block 7, the bottom end of the fixed rod 17 extending into the fixed hole 8, the two ends of the spring 10 being fixed to the bottom surface of the pulling block 11 and the top surface of the fixed block 9 respectively, a through hole 12 being formed in the fixed block 9, the fixed rod 17 being connected to the through hole 12 through sliding, a plurality of second heat dissipation holes 6 being formed in the side wall of the protective shell 4, the top end of the worm 13 being connected to the inner top surface of the protective shell 4 through rotation, a plurality of first heat dissipation holes 3 being formed in the two sides of the upper shell 1, the upper shell 1 being heat-dissipated through the heat dissipation assembly and the first heat dissipation holes 3, so as to improve the efficiency of the scroll refrigeration compressor, slow down the deterioration of the lubricating oil, and prolong the service life of the scroll refrigeration compressor, the edges of the first heat dissipation holes 3 being provided with sealing pads, so as to maintain the overall structural stability and sealing performance of the structure of the upper shell 1, and the U-shaped frame 2 being provided with a channel for the insertion block 7 to penetrate.

[0031] Working principle: the motor 5 is started to drive the worm 13 to rotate, the worm 13 drives the plurality of worm gears 16 to rotate, the plurality of worm gears 16 drive the plurality of rotating columns 15 to rotate, so as to heat-dissipate the upper shell 1, so as to improve the efficiency of the compressor, slow down the deterioration of the lubricating oil, and prolong the service life of the compressor; the pulling block 11 is pulled upward to drive the fixed rod 17 to rise, when the pulling block 11 is pulled, the pulling block 11 also stretches the spring 10, when the fixed rod 17 moves out of the fixed hole 8, the insertion block 7 can move out of the channel on the U-shaped frame 2, so as to disassemble the heat dissipation assembly, which is convenient for maintenance or replacement, and improves the practicability.

[0032] The electrical components appearing in the text are all connected to the main controller and 220V mains electricity, and the main controller can be a conventional known device such as a computer, and the specific embodiments of the present disclosure omit the detailed description of known functions and known components, and to ensure the compatibility of the device, the operation means adopted are consistent with the parameters of the market appliances.

[0033] Finally, it should be noted that: the above only describes the preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for some technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An upper casing structure for a scroll refrigeration compressor, comprising an upper casing (1), characterized in that: One side of the upper shell (1) is fixedly connected with a U-shaped frame (2), the U-shaped frame (2) is connected with a connecting assembly, and the U-shaped frame (2) is connected with a heat dissipation assembly through the connecting assembly. The heat dissipation assembly comprises a protective shell (4) connected with the connecting assembly, a motor (5) is fixedly connected to the lower outer wall of the protective shell (4), the output end of the motor (5) penetrates the bottom wall of the protective shell (4) and extends into the protective shell (4) and is fixedly connected with a worm (13), a plurality of rotating columns (15) are rotatably connected to the inner surface of the protective shell (4), one end of each of the plurality of rotating columns (15) close to the upper shell (1) is fixedly connected with a plurality of fan blades (14), and the outer part of each of the plurality of rotating columns (15) is fixedly connected with a worm wheel (16); the worm (13) is meshed with the plurality of worm wheels (16).

2. The upper case structure for a scroll refrigeration compressor according to claim 1, characterized in that: The connecting assembly comprises a fixed block (9) fixedly connected to the side of the U-shaped frame (2) away from the upper shell (1), a fixed rod (17) is slidably connected to the fixed block (9), a pulling block (11) is fixedly connected to the top end of the fixed rod (17), a spring (10) is sleeved on the outer part of the fixed rod (17), an insertion block (7) is fixedly connected to the side of the protective shell (4) away from the upper shell (1), one end of the insertion block (7) away from the protective shell (4) slidably penetrates the U-shaped frame (2) and extends to the other side of the U-shaped frame (2), a fixing hole (8) is formed in the insertion block (7), and the bottom end of the fixed rod (17) extends into the fixing hole (8).

3. The upper case structure for a scroll refrigeration compressor according to claim 2, characterized in that: The two ends of the spring (10) are fixedly connected to the bottom surface of the pulling block (11) and the top surface of the fixed block (9) respectively.

4. The upper case structure for a scroll refrigeration compressor according to claim 2, characterized in that: A through hole (12) is formed in the fixed block (9), and the fixed rod (17) is slidably connected in the through hole (12).

5. The upper case structure for a scroll refrigeration compressor according to claim 1, characterized in that: A plurality of heat dissipation holes two (6) are formed in the side wall of the protective shell (4).

6. The upper case structure for a scroll refrigeration compressor according to claim 1, characterized in that: The top end of the worm (13) is rotatably connected to the inner top surface of the protective shell (4).

7. The upper case structure for a scroll refrigeration compressor according to claim 1, characterized in that: A plurality of heat dissipation holes one (3) are formed in the two sides of the upper shell (1), and a sealing gasket is mounted on the edge of each of the plurality of heat dissipation holes one (3).

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