CN212898916U

CN212898916U - Scroll compressor vacuum double-layer shell and scroll compressor

Info

Publication number: CN212898916U
Application number: CN202021180682.6U
Authority: CN
Inventors: 李勇平; 廖全平; 李杜
Original assignee: Johnson Controls Hitachi Wanbao Compressor Guangzhou Co Ltd
Current assignee: Johnson Controls Hitachi Wanbao Compressor Guangzhou Co Ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-04-06
Anticipated expiration: 2030-06-23

Abstract

The utility model provides a scroll compressor vacuum double-deck casing, it is including last casing, the main casing body and lower casing, especially: the main shell is formed by welding an outer shell and an inner shell sleeved in the outer shell, two ends of the inner wall of the outer shell are respectively provided with an annular welding edge, two ends of the inner shell are respectively close to and welded with the annular welding edges at the two ends of the outer shell, so that a gap between the outer shell and the inner shell serves as a vacuum intermediate layer, and a vacuumizing hole communicated with the vacuum intermediate layer is arranged near the middle part of the outer shell and communicated with a vacuumizing process pipe; it is through realizing the evacuation layer on double-deck casing, noise in can the effective isolation casing. Also provided is a scroll compressor, which comprises a shell and a scroll compressor component arranged in the shell; in particular: the shell is the vacuum double-layer shell of the scroll compressor; it can effectively reduce scroll compressor's monomer noise through above-mentioned vacuum double shell, still has simple structure and easily makes's characteristics.

Description

Scroll compressor vacuum double-layer shell and scroll compressor

Technical Field

The utility model relates to a scroll compressor specifically is scroll compressor's shell body.

Background

All traditional scroll compressor structures on the market at present include spare parts such as individual layer cold-rolled steel sheet casing, move the vortex dish, decide the vortex dish, bent axle, bearing, motor and. When the air conditioning system operates, the compressor serving as a main noise source can generate noises such as mechanical vibration sound, airflow sound, electromagnetic sound of a motor and the like, and the noises can be transmitted to the outside of the compressor through the compressor shell until the outside of the air conditioning system, so that bad listening experience is brought to people. There is therefore a need for improvement.

Disclosure of Invention

The utility model aims at providing a scroll compressor vacuum double-layer shell, which can effectively isolate the noise in the shell by realizing a vacuum pumping layer on the double-layer shell; the vacuum double-layer shell can effectively reduce the monomer noise of the scroll compressor and has the characteristics of simple structure and easiness in manufacturing.

The utility model discloses a following technical scheme of purpose accessible realizes:

a scroll compressor vacuum double-layer shell comprises an upper shell, a main shell and a lower shell, wherein the main shell is of a long cylindrical structure with openings at two ends; the method is characterized in that: the main casing body comprises shell and the welding of the inner shell of cover in the shell, shell and inner shell adopt hot rolled steel plate to make respectively, and the both ends of shell inner wall have annular welding limit respectively, and the both ends of inner shell are pressed close to and welded connection, are made the clearance of shell and inner shell as the vacuum intermediate level with the annular welding limit at shell both ends respectively, and near the middle part of shell has the evacuation hole and the intercommunication of vacuum intermediate level intercommunication has the process of evacuation pipe.

In the optimized scheme, in the scroll compressor vacuum double-layer shell, the upper shell is a cover-shaped shell with an upper shell mounting port at the bottom end, and the upper shell is inserted into one end of the main shell from the upper shell mounting port end and is welded with the main shell; the lower shell is a cover-shaped shell, the top end of the cover-shaped shell is provided with a lower shell mounting opening, and the lower shell mounting opening end of the lower shell is sleeved on one end of the main shell and is connected with the main shell in a welding mode.

A scroll compressor includes a housing and a scroll compressor assembly mounted within the housing; the scroll compressor component comprises an upper support, a static scroll, a movable scroll, a crankshaft, a motor and a lower support, wherein the static scroll and the movable scroll are arranged above the upper support to form a scroll compression cavity; the upper shell is provided with a compressor air inlet pipe, the inner port of the compressor air inlet pipe is connected with an air inlet of a compression cavity of the fixed scroll, and a compressor exhaust pipe is communicated between the upper bracket and the motor on the main shell; the method is characterized in that: the shell is the scroll compressor vacuum double-layer shell, and the tail end of the compressor exhaust pipe penetrates through the main shell and is welded with the outer shell and the inner shell of the main shell respectively.

The utility model has the following substantive characteristics and progress: the utility model provides a double-deck casing of scroll compressor vacuum is kept apart the casing internal noise through forming the vacuum intermediate level on the main casing body between shell and the inner shell, makes the scroll compressor who adopts this double-deck casing of vacuum, has that the noise is little, the stable characteristics of operation, still has simple structure and the characteristics of easily making.

Drawings

Fig. 1 is a schematic view of the scroll compressor of the present invention.

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

Fig. 3 is an enlarged view of a portion G in fig. 1.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Examples

Referring to fig. 1 to 3, a scroll compressor vacuum double-shell housing includes an upper shell 11, a main shell 12 and a lower shell 13.

Referring to fig. 2 and 3 together, the main housing 12 is a long cylindrical structure with openings at both ends, and is formed by welding an outer shell 121 and an inner shell 122 sleeved in the outer shell 121. The outer shell 121 and the inner shell 122 are respectively made of hot rolled steel plates, two ends of the inner wall of the outer shell 121 are respectively provided with an annular welding edge 123, two ends of the inner shell 122 are respectively close to and welded with the annular welding edges 123 at the two ends of the outer shell 121, so that a gap between the outer shell 121 and the inner shell 122 is used as a vacuum intermediate layer 124, a vacuumizing hole communicated with the vacuum intermediate layer 124 is formed near the middle of the outer shell 121, and a vacuumizing process pipe 125 is communicated with the vacuumizing hole.

The upper case 11 and the lower case 13 are respectively provided at both ends of the main case 12, and cover openings at both ends of the main case 12. The upper shell 11 is a cover-shaped shell with an upper shell mounting opening at the bottom end, and the upper shell 11 is inserted into one end of the main shell 12 from the upper shell mounting opening end and is welded with the main shell 12; the lower casing 13 is a cover-shaped casing with a lower casing mounting opening at the top end, and the lower casing mounting opening end of the lower casing 13 is sleeved on one end of the main casing 12 and is connected with the main casing 12 in a welding mode.

In this embodiment, the vacuum intermediate layer 124 of the main housing 12 is evacuated by the evacuation process tube 125, and then the end of the vacuum process tube 125 is flattened and sealed by brazing, so that the noise in the housing is isolated by the vacuum intermediate layer 124.

Example 2

Referring to fig. 1 to 3, a scroll compressor includes a housing 1 and a scroll compressor assembly mounted within the housing 1.

The housing 1 is a vacuum double-layer housing of the scroll compressor in embodiment 1, and on the main housing 12, the vacuum process pipe 125 is flattened after being evacuated and sealed by brazing.

Referring to fig. 1 specifically, the scroll compressor assembly includes an upper bracket 4, a fixed scroll 2, a movable scroll 3, a crankshaft 5, a motor and a lower bracket 7, the fixed scroll 2 and the movable scroll 3 are mounted above the upper bracket 4 to form a scroll compression chamber, the fixed scroll 2 has a compression chamber exhaust port 21 and a compression chamber intake port communicated with the scroll compression chamber, an upper bracket shaft hole is formed in the middle of the upper bracket 4, a lower bracket shaft hole is formed in the middle of the lower bracket 7, the upper portion of the crankshaft 5 passes through the upper bracket shaft hole and is mounted on the upper bracket 4 through a bearing, an eccentric portion 51 of the crankshaft 5 is inserted into an eccentric bushing of the movable scroll 3, the lower portion of the crankshaft 5 passes through the lower bracket shaft hole of the lower bracket 7, the motor is disposed below the upper bracket 4 and comprises a rotor 6 and a stator 61 which are coaxially disposed, and the rotor 6 of the motor is sleeved near the middle portion; the upper shell 11 is provided with a compressor air inlet pipe 110, an inner port of the compressor air inlet pipe 110 is connected to an air inlet of a compression cavity of the fixed scroll 2, and a compressor exhaust pipe 10 is communicated between the upper bracket 4 and the motor on the main shell 12. The end of the compressor discharge pipe 10 passes through the main housing 12 and is welded to the outer casing 121 and the inner casing 122 of the main housing 12, respectively.

The scroll compressor of this embodiment realizes the purpose that the monomer noise is little through this double-deck casing in vacuum, can effectively reduce the noise that uses this scroll compressor equipment, further improves the silence effect.

Claims

1. A scroll compressor vacuum double-layer shell comprises an upper shell (11), a main shell (12) and a lower shell (13), wherein the main shell (12) is a long cylindrical structure with openings at two ends, the upper shell (11) and the lower shell (13) are respectively arranged at two ends of the main shell (12) and seal the openings at two ends of the main shell (12); the method is characterized in that: the main shell (12) is formed by welding an outer shell (121) and an inner shell (122) sleeved in the outer shell (121), the outer shell (121) and the inner shell (122) are respectively made of hot rolled steel plates, two ends of the inner wall of the outer shell (121) are respectively provided with an annular welding edge (123), two ends of the inner shell (122) are respectively close to and welded with the annular welding edges (123) at two ends of the outer shell (121), a gap between the outer shell (121) and the inner shell (122) serves as a vacuum intermediate layer (124), and a vacuumizing hole communicated with the vacuum intermediate layer (124) is formed near the middle of the outer shell (121) and communicated with a vacuumizing process pipe (125).

2. The scroll compressor vacuum double shell of claim 1, wherein: the upper shell (11) is a cover-shaped shell with an upper shell mounting opening at the bottom end, and the upper shell (11) is inserted into one end of the main shell (12) from the upper shell mounting opening end and is welded with the main shell (12); the lower shell (13) is a cover-shaped shell with a lower shell mounting opening at the top end, and the lower shell mounting opening end of the lower shell (13) is sleeved on one end of the main shell (12) and is connected with the main shell (12) in a welding mode.

3. A scroll compressor comprises a shell (1) and a scroll compressor component arranged in the shell (1); the scroll compressor component comprises an upper support (4), a fixed scroll (2), a movable scroll (3), a crankshaft (5), a motor and a lower support (7), wherein the fixed scroll (2) and the movable scroll (3) are arranged above the upper support (4) to form a scroll compression chamber, the fixed scroll (2) is provided with a compression chamber exhaust port (21) and a compression chamber air inlet which are communicated with the scroll compression chamber, the middle part of the upper support (4) is provided with an upper support shaft hole, the middle part of the lower support (7) is provided with a lower support shaft hole, the upper part of the crankshaft (5) penetrates through the upper support shaft hole and is arranged on the upper support (4) through a bearing, an eccentric part (51) of the crankshaft is inserted into an eccentric shaft sleeve of the movable scroll (3), the lower part of the crankshaft (5) penetrates through the lower support shaft hole of the lower support (7), the motor is arranged below the upper support (4) and comprises a rotor (6) and a stator (61) which are coaxially arranged, a rotor (6) of the motor is sleeved near the middle part of the crankshaft (5); a compressor air inlet pipe (110) is arranged on the upper shell (11), the inner port of the compressor air inlet pipe (110) is connected to the air inlet of the compression cavity of the fixed scroll (2), and a compressor exhaust pipe (10) is communicated between the upper support (4) and the motor on the main shell (12); the method is characterized in that: the shell (1) is a scroll compressor vacuum double-layer shell as claimed in claim 1 or 2, and the tail end of the compressor exhaust pipe (10) penetrates through the main shell (12) and is welded with the outer shell (121) and the inner shell (122) of the main shell (12) respectively.