High-strength refrigerator compressor upper shell

By adding a protective cover to the upper casing of the refrigerator compressor and combining it with a fixing and positioning mechanism, the problem of easy deformation of the upper casing is solved, the impact resistance and service life are improved, and the maintenance cost is reduced.

CN224260485UActive Publication Date: 2026-05-19TAIZHOU DONGXING PRECISION MACHINERY
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
TAIZHOU DONGXING PRECISION MACHINERY
Filing Date
2025-07-08
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

The upper casing of existing refrigerator compressors is prone to deformation upon impact, affecting the operation of the crankshaft, connecting rod, and piston assembly, leading to compressor seizure.

Method used

A protective cover is added to the upper shell. The protective cover is fixed to the upper shell by a fixing mechanism and a positioning mechanism. Heat dissipation holes are set on the protective cover to improve the impact resistance and stability, while maintaining the heat dissipation function.

Benefits of technology

The improved impact resistance of the upper casing extends the compressor's service life, reduces maintenance costs, and ensures the compressor's normal operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of refrigerator compressors, and particularly relates to a high-strength refrigerator compressor upper shell which comprises an upper shell body, a lower shell body and an installation piece which are sequentially installed from top to bottom, a protection cover used for protection is arranged above the upper shell body, the protection cover is of an inverted barrel-shaped structure, and the lower shell body is provided with a plurality of through holes. The upper shell body and the lower shell body are both installed inside the protective cover, a fixing mechanism is arranged between the top of the upper shell body and the protective cover, the fixing mechanism is used for fixedly installing the protective cover on the top of the upper shell body, and the fixing mechanism comprises an installation column and an external thread column. The anti-collision strength of the upper shell is improved through the protective cover, foreign objects are prevented from being collided and making contact with the upper shell, the service life of the upper shell is prolonged, meanwhile, the service life of the compressor is prolonged, and the maintenance cost for maintaining the compressor due to collision is reduced.
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Description

Technical Field

[0001] This utility model belongs to the field of refrigerator compressor technology, specifically relating to a high-strength refrigerator compressor upper shell. Background Technology

[0002] Refrigerator compressors mainly include two types: reciprocating (piston) and rotary (rotor). The compressor consists of components such as upper casing, lower casing, crankshaft, connecting rod, piston assembly, valves, shaft seal, oil pump, energy regulating device, and oil circulation system.

[0003] The existing upper casing is directly bolted to the lower casing. However, the existing upper casing does not have a protective device. When the upper casing is involved in a collision, it will deform, which will affect the operation of the crankshaft, connecting rod and piston assembly inside the upper casing, causing the compressor to seize up. Therefore, there is an urgent need for a high-strength refrigerator compressor upper casing to solve the above problems. Utility Model Content

[0004] The purpose of this utility model is to provide a high-strength refrigerator compressor upper shell to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a high-strength refrigerator compressor upper shell, comprising: an upper shell, a lower shell, and a mounting component installed sequentially from top to bottom; a protective cover for protection is provided above the upper shell; the protective cover is an inverted barrel-shaped structure; and both the upper shell and the lower shell are installed inside the protective cover.

[0006] Preferably, a fixing mechanism is provided between the top of the upper housing and the protective cover, the fixing mechanism being used to fix the protective cover to the top of the upper housing.

[0007] Preferably, the fixing mechanism includes a mounting post and an external threaded post. The bottom end of the mounting post is longitudinally welded to the top of the upper housing, and the top end of the external threaded post is welded to the top of the protective cover. The top of the mounting post has a threaded hole for accommodating the external threaded post.

[0008] Preferably, the top of the mounting component is further provided with a positioning mechanism for positioning the bottom end of the protective cover.

[0009] Preferably, the positioning mechanism includes an annular bracket and a plurality of support columns equidistantly installed around the bottom of the annular bracket. The plurality of support columns are all installed on the mounting component, and an annular groove for accommodating the annular bracket is provided at the bottom edge of the protective cover.

[0010] Preferably, the bottom end of each of the multiple support columns is provided with a ball block for installation, and the mounting component is provided with multiple ball grooves for accommodating the ball blocks.

[0011] Preferably, the mounting component includes a mounting plate, the lower housing is mounted on top of the mounting plate, and the plurality of ball grooves are formed on the top of the mounting plate.

[0012] Preferably, the mounting plate has two mounting ears on each of its symmetrical sides, and each mounting ear has a mounting hole running from top to bottom for installation.

[0013] Preferably, a wiring area for cables and pipes to pass through is also formed between two adjacent support columns.

[0014] Preferably, the outer wall of the protective cover has multiple heat dissipation holes running from the outside to the inside.

[0015] Compared with the prior art, this utility model has the following advantages:

[0016] (1) This utility model improves the anti-collision strength of the upper housing by adding a protective cover to the outside of the upper housing, avoids foreign objects from colliding with the upper housing, improves the service life of the upper housing, and at the same time improves the service life of the compressor and reduces the maintenance cost of the compressor due to collision.

[0017] (2) The present invention, through the added fixing mechanism, facilitates the direct connection of the protective cover to the upper shell, and facilitates the direct upside-down installation of the protective cover on the outside of the upper and lower shells. At the same time, a buffer area for collision buffering is formed between the protective cover and the upper shell.

[0018] (3) The present invention improves the stability of the installation of the protective cover by adding a positioning mechanism to position the bottom end of the protective cover on the mounting component. Attached Figure Description

[0019] Figure 1 This is a perspective view of the present utility model;

[0020] Figure 2 This is a top view of the present invention;

[0021] Figure 3 This is a cross-sectional view of the present invention;

[0022] Figure 4 This is a perspective view of the compressor, positioning mechanism, and mounting components of this utility model;

[0023] Figure 5 This is a top view of the compressor, mounting column, and mounting components of this utility model;

[0024] Figure 6 This is a perspective view of the protective cover of this utility model;

[0025] In the diagram: 1. Protective cover; 2. Heat dissipation hole; 3. Annular bracket; 4. Support column; 5. Mounting plate; 6. Mounting ear; 7. Lower shell; 8. Upper shell; 9. Threaded hole; 10. External threaded column; 11. Mounting column; 12. Annular groove; 13. Ball groove; 14. Ball block; 15. Threading area. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0027] refer to Figure 1-3 and Figure 6 As shown, the present invention provides a high-strength refrigerator compressor upper shell, comprising: an upper shell 8, a lower shell 7 and a mounting component installed sequentially from top to bottom. A protective cover 1 for protection is provided above the upper shell 8. The protective cover 1 is an inverted barrel-shaped structure. Both the upper shell 8 and the lower shell 7 are installed inside the protective cover 1.

[0028] Combination Figure 3-5 As shown, a fixing mechanism is provided between the top of the upper housing 8 and the protective cover 1. The fixing mechanism is used to fix the protective cover 1 on the top of the upper housing 8.

[0029] As described above, when using the upper housing 8, lower housing 7, mounting component, and protective cover 1 provided by this utility model, the lower housing 7 is mounted on the mounting component, and the protective cover 1 is mounted on the top of the upper housing 8 through a fixing mechanism, so that the protective cover 1 covers the outside of the upper housing 8 and the lower housing 7, thereby improving the equipment's anti-collision strength.

[0030] Furthermore, to prevent the protective cover 1 from affecting the compressor's heat dissipation, refer to... Figure 1 , Figure 3 and Figure 6 As shown, the outer wall of the protective cover 1 has multiple heat dissipation holes 2 running from the outside to the inside. These holes 2 allow the protective cover 1 to dissipate heat, facilitating the removal of heat generated by the compressor during operation.

[0031] In this utility model, combined with Figure 3-5 As shown, the fixing mechanism of this embodiment includes a mounting post 11 and an external thread post 10. The bottom end of the mounting post 11 is longitudinally welded to the top of the upper housing 8, and the top end of the external thread post 10 is welded to the top of the protective cover 1. The top of the mounting post 11 is provided with a threaded hole 9 for accommodating the external thread post 10.

[0032] As described above, when using the fixing mechanism provided by this utility model, the protective cover 1 is placed over the outside of the upper housing 8. At this time, the external threaded post 10 on the protective cover 1 is screwed into the threaded hole 9 on the mounting post 11, thereby detachably installing the protective cover 1 onto the upper housing 8.

[0033] In this utility model, combined with Figure 1 and Figure 3-6 As shown, the top of the mounting component in this embodiment is also provided with a positioning mechanism for positioning the bottom end of the protective cover 1.

[0034] Combination Figure 4-5 As shown, the positioning mechanism includes an annular bracket 3 and multiple support columns 4 that are equidistantly installed around the bottom of the annular bracket 3. The multiple support columns 4 are all installed on the mounting component. An annular groove 12 for accommodating the annular bracket 3 is provided at the bottom edge of the protective cover 1.

[0035] As described above, when the protective cover 1 rotates above the upper housing 8 using the positioning mechanism provided by this utility model, the external threaded post 10 is screwed into the threaded hole 9 on the mounting post 11. During this process, the protective cover 1 rotates on the top of the annular bracket 3 through the annular groove 12. During the rotation, the annular bracket 3 enters the annular groove 12, thereby positioning the protective cover 1 below through the annular bracket 3, thus improving the stability of the installation of the protective cover 1.

[0036] Furthermore, to facilitate the detachable installation of the annular bracket 3 onto the mounting plate 5, refer to... Figure 3 As shown, the bottom ends of the multiple support columns 4 are provided with ball blocks 14 for installation, and the mounting component has multiple ball grooves 13 for accommodating the ball blocks 14. The multiple support columns 4 can be detachably installed in the ball grooves 13 on the mounting plate 5 through the multiple ball blocks 14, thereby facilitating the replacement of the annular bracket 3 in the future.

[0037] Furthermore, to prevent the protective cover 1 and the annular bracket 3 from interfering with the installation of the compressor cables and refrigerant lines, refer to... Figure 1 and Figure 3-4 As shown, a wiring area 15 for cables and pipes is formed between two adjacent support columns 4. The annular bracket 3 is suspended by multiple support columns 4, thereby forming a wiring area 15 for cables and refrigerant pipes between adjacent support columns 4, avoiding interference between the protective cover 1 and the annular bracket 3 and the installation of cables and refrigerant pipes.

[0038] In this utility model, combined with Figure 3 As shown, the mounting component of this embodiment includes a mounting plate 5, a lower housing 7 mounted on the top of the mounting plate 5, and multiple ball grooves 13 formed on the top of the mounting plate 5.

[0039] Combination Figure 1-5As shown, the mounting plate 5 has two mounting ears 6 on each of its symmetrical sides, and each mounting ear 6 has a mounting hole running from top to bottom for installation.

[0040] As described above, when using the mounting component provided by this utility model, the mounting plate 5 in the mounting component provides an installation position for the lower housing 7. The compressor is placed in the predetermined installation position by means of the mounting plate 5, and the bolts are fixedly installed in the predetermined position by means of the mounting ears 6, thereby fixing the compressor in the predetermined position.

[0041] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-strength refrigerator compressor upper casing, characterized in that, include: The upper housing (8), lower housing (7) and mounting components are installed sequentially from top to bottom. A protective cover (1) for protection is provided above the upper housing (8). The protective cover (1) is an inverted barrel-shaped structure. Both the upper housing (8) and the lower housing (7) are installed inside the protective cover (1).

2. The high-strength refrigerator compressor upper casing according to claim 1, characterized in that: A fixing mechanism is provided between the top of the upper housing (8) and the protective cover (1), the fixing mechanism being used to fix the protective cover (1) on the top of the upper housing (8).

3. The high-strength refrigerator compressor upper casing according to claim 2, characterized in that: The fixing mechanism includes a mounting post (11) and an external threaded post (10). The bottom end of the mounting post (11) is longitudinally welded to the top of the upper housing (8), and the top end of the external threaded post (10) is welded to the top of the protective cover (1). The top of the mounting post (11) is provided with a threaded hole (9) for accommodating the external threaded post (10).

4. The high-strength refrigerator compressor upper casing according to claim 1, characterized in that: The top of the mounting component is also provided with a positioning mechanism for positioning the bottom end of the protective cover (1).

5. The high-strength refrigerator compressor upper casing according to claim 4, characterized in that: The positioning mechanism includes an annular bracket (3) and multiple support columns (4) that are equidistantly installed around the bottom of the annular bracket (3). The multiple support columns (4) are all installed on the mounting component. An annular groove (12) for accommodating the annular bracket (3) is provided at the bottom edge of the protective cover (1).

6. The high-strength refrigerator compressor upper casing according to claim 5, characterized in that: The bottom ends of the multiple support columns (4) are provided with ball blocks (14) for installation, and the mounting component is provided with multiple ball grooves (13) for accommodating the ball blocks (14).

7. The high-strength refrigerator compressor upper casing according to claim 6, characterized in that: The mounting component includes a mounting plate (5), the lower housing (7) is mounted on the top of the mounting plate (5), and a plurality of ball grooves (13) are formed on the top of the mounting plate (5).

8. The high-strength refrigerator compressor upper casing according to claim 7, characterized in that: The mounting plate (5) has two mounting ears (6) on each side symmetrically, and each mounting ear (6) has a mounting hole for installation running from top to bottom.

9. The high-strength refrigerator compressor upper casing according to claim 5, characterized in that: A wiring area (15) for cables and pipes to pass through is also formed between the two adjacent support columns (4).

10. The high-strength refrigerator compressor upper casing according to claim 1, characterized in that: The outer wall of the protective cover (1) has multiple heat dissipation holes (2) running from the outside to the inside.