Scroll compressor supporting ring and scroll compressor
By adopting an integral support ring in the scroll compressor and using the combination of support steel pads, steel balls and rotary rings, the problems of precision and assembly of traditional split support rings are solved, and the reliability and stability of the compressor is achieved, reducing energy consumption and noise.
Patent Information
- Application Number
- CN202411859658.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-17
- Publication Date
- 2025-03-07
AI Technical Summary
In traditional automotive air-conditioning scroll compressors, the split support ring is difficult to ensure processing accuracy, and the assembly process is complicated, which affects the reliability and stability of the compressor, resulting in high energy consumption and noise.
The integrated support ring is adopted to form an integral support structure with sliding column pins and steel balls through the combination of support steel pads, steel balls and rotating rings, which improves the accuracy of parts and simplifies the assembly process.
It improves the accuracy of parts, simplifies the assembly process, ensures the reliability and stability of the compressor, reduces the friction coefficient of parts, and reduces the energy consumption and noise of the compressor.
Smart Images
Figure CN119572490A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of scroll compressor production, in particular to a support ring used for preventing scroll disk self-rotation and plane support in a scroll compressor. Background Art
[0002] The traditional automobile air-conditioning scroll compressor anti-self-rotation of the movable scroll is a pin structure and the plane on the back of the movable scroll profile and the steel pad plane on the bearing seat slide each other. The pin and the plane friction part are assembled and act separately. Figure 1 and Figure 2 As shown, the rotating ring 3 is arranged between the movable scroll 7 and the fixed scroll 8, and one of the two pins 4 in the rotating ring 3 extends into the fixed scroll 8 and the other into the movable scroll 7; and the plane support ring 1 is arranged between the plane on the back of the movable scroll 7 and the steel pad plane on the bearing seat 6, and the plane support ring 1 is a regular annular shape, and the multiple steel balls 2 evenly distributed in the plane support ring 1 are assembled and act separately as friction parts and pin parts. This anti-self-rotation split structure has the problems of difficulty in ensuring processing accuracy and difficulty in the assembly process, and poor processing accuracy also affects the reliability and stability of the compressor operation, and the energy consumption (COP value) and noise of the compressor are relatively large. Summary of the invention
[0003] The technical problem to be solved by the present invention is to provide a scroll compressor support ring, which can solve the problems of the existing split support ring, such as difficulty in ensuring processing accuracy and difficulties in the assembly process, and the poor processing accuracy also affects the reliability and stability of the compressor operation, and the energy consumption (COP value) and noise of the compressor are relatively high.
[0004] In order to solve the above problems, the technical solution of the present invention is: the scroll compressor support ring includes a support steel pad, a steel ball and a rotating ring. The support steel pad is annular, and three rotating ring mounting positions are evenly arranged on the entire ring. The rotating ring is installed on the mounting position between two annular support steel pads. Two pins with opposite extension directions are arranged in each rotating ring, one pin is inserted into the movable scroll of the compressor, and the other pin is inserted into the bearing seat of the compressor.
[0005] In the above technical solution, a more specific solution is: a plurality of the steel balls are evenly distributed in the supporting steel pad between the two rotating rings.
[0006] Furthermore: four of the steel balls are evenly distributed in the supporting steel pad between the two rotating rings.
[0007] Furthermore: the outer diameter of the rotating ring is 12 mm and the inner diameter is 7.15 mm.
[0008] A scroll compressor comprises a transmission shaft, a bearing seat, a movable scroll and a stationary scroll; further comprising a scroll compressor support ring as described in any one of claims 1 to 4; the transmission shaft is mounted on the bearing of the bearing seat, and the transmission shaft drives the movable scroll; the scroll compressor support ring is mounted between the bearing seat and the movable scroll; the movable scroll rotates on the surface of the stationary scroll.
[0009] Due to the adoption of the above technical solution, the present invention has the following beneficial effects compared with the prior art: The supporting ring of the present invention adopts a column pin and a steel ball sliding integral supporting ring. The column pin, the rotating ring, the steel ball, the steel pad and the like are combined into an integral supporting ring. The integral supporting ring improves the precision of the parts, which not only simplifies the assembly process but also ensures the reliability and stability of the compressor operation, reduces the friction coefficient of the parts, and reduces the energy consumption (COP value) and noise of the compressor. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a schematic diagram of the prior art structure; Figure 2 yes Figure 1 Schematic diagram of the section along the AA section line; Figure 3 It is a schematic diagram of the main structure of the present invention; Figure 4 It is a left side schematic diagram of the structure of the present invention; Figure 5 Schematic diagrams of the front view (a) and left view (b) of the rotating ring in the structure of the present invention; Figure 6 It is a schematic structural diagram of the present invention applied in a scroll compressor; Figure 7 yes Figure 6 Schematic diagram of the cross section along line BB.
[0011] The numbers in the figure are as follows: 1. plane supporting ring; 2. steel ball; 3. rotating ring; 4. pin; 5. transmission shaft; 6. bearing seat; 7. movable scroll; 8. stationary scroll; 9. supporting steel pad. DETAILED DESCRIPTION
[0012] The present invention is further described below in conjunction with the accompanying drawings and embodiments: Figure 1 and Figure 2 The conventional automobile air-conditioning scroll compressor has a pin structure and a support ring structure between the movable scroll and the bearing seat to prevent the movable scroll from self-rotating. The problems existing in this structure have been discussed in detail in the background technology section and will not be repeated here.
[0013] Figure 3 and Figure 4A scroll compressor support ring includes a support steel pad 9, a steel ball 2 and a rotating ring 3. The support steel pad 9 is annular, and three rotating ring 3 mounting positions are evenly distributed on the entire ring. The rotating ring 3 is installed on the mounting position between two annular support steel pads 9. Two pins 4 with opposite extension directions are arranged in each rotating ring 3. One pin 4 is inserted into the movable scroll plate 7, and the other pin 4 is crimped with the bearing seat 6. Several steel balls 2 are evenly distributed on the support steel pad ring 9 between the rotating rings 3. In this embodiment, 4 steel balls 2 are evenly distributed on the support steel pad 9 between the rotating rings 3. In order to limit the steel balls from rotating in a fixed position and prevent the steel balls from deviating from each other when rotating, the steel balls 2 are covered with a retaining frame (not shown in the figure).
[0014] Figure 5 The rotating ring 3 has an outer diameter of 12 mm and an inner diameter of 7.15 mm, a diameter of the pin 4 is 3.5 mm, and a diameter of the steel ball 2 is 6 mm.
[0015] like Figure 6 and Figure 7 As shown, a scroll compressor using the scroll compressor support ring of the present invention includes a transmission shaft 5, a bearing seat 6, a movable scroll plate 7 and a fixed scroll plate 8; the transmission shaft 5 is installed on the bearing in the bearing seat 6, and the transmission shaft 5 drives the movable scroll plate 7; the scroll compressor support ring is installed between the bearing seat 6 and the movable scroll plate 7; the movable scroll plate 7 rotates on the disk surface of the fixed scroll plate 8.
[0016] The scroll compressor support ring of the present invention is installed between the movable scroll plate 7 and the bearing seat 6 in the scroll compressor; the pin 4, the rotating ring 3, the steel ball 2, the support steel pad 9, etc. are combined into an integral support ring, which can effectively improve the accuracy of parts and components, not only simplify the assembly process but also ensure the reliability and stability of the compressor operation, reduce the friction coefficient of the parts, and reduce the energy consumption (COP value) and noise of the compressor.
[0017] In the description of the present invention, it should be noted that the terms "middle", "upper", "lower", "left", "right", "vertical", "lateral", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.
Claims
1. A scroll compressor support ring, characterized in that: The invention comprises a supporting steel pad (9), a steel ball (2) and a rotating ring (3); the steel ball (2) and the rotating ring (3) are evenly installed between two supporting steel pads (9); three rotating rings (3) are arranged on the supporting steel pad (9); and two pins (4) extending in opposite directions are arranged in each rotating ring (3), one pin (4) is inserted into a movable scroll (7) of the compressor, and the other pin (4) is inserted into a bearing seat (6) of the compressor.
2. A scroll compressor support ring according to claim 1, characterized in that: A plurality of the steel balls (2) are evenly distributed in the supporting steel pads (9) between the rotating rings (3) in pairs.
3. A scroll compressor support ring according to claim 1 or 2, characterized in that: Four of the steel balls (2) are evenly distributed in the supporting steel pad (9) between the two rotating rings (3).
4. A scroll compressor support ring according to claim 3, characterized in that: The rotating ring (3) has an outer diameter of 12 millimeters and an inner diameter of 7.15 millimeters.
5. A scroll compressor, comprising a transmission shaft (5), a bearing seat (6), a movable scroll (7) and a fixed scroll (8); characterized in that: It also includes a scroll compressor support ring as described in any one of claims 1 to 4; the transmission shaft (5) is installed on the bearing of the bearing seat (6), and the transmission shaft (5) drives the movable scroll (7); the scroll compressor support ring is installed between the bearing seat (6) and the movable scroll (7); the movable scroll (7) rotates on the disk surface of the fixed scroll (8).