Slide vane, pump body assembly, compressor and air conditioner having same

Patent metadata

Field	Value
Publication number	US-11353024-B2
Application number	US-201817051407-A
Country	US
Kind code	B2
Filing date	Dec 12, 2018
Priority date	Aug 31, 2018
Publication date	Jun 7, 2022
Grant date	Jun 7, 2022

Abstract

The disclosure discloses a slide vane, a pump body assembly, a compressor and an air conditioner having the same. The pump body assembly includes a cylinder assembly, a flange portion, a rotating shaft and the slide vane. The flange portion is connected to the cylinder assembly, a working cavity is formed between the flange portion and the cylinder assembly, and an avoidance portion is provided on a surface, located in the working cavity, of the flange portion. A limiting structure is provided in an accommodation portion. The limiting structure is provided with an avoidance position in the accommodation portion, and at least part of the limiting structure is provided with a limiting position protruded out of a surface of the accommodation portion. Such a configuration avoids friction occurring between the head of the slide vane and the cavity wall of the working cavity.

First claim

What is claimed is:

1. A pump body assembly, comprising:
a cylinder assembly;
a flange portion, wherein the flange portion is connected to the cylinder assembly, a working cavity is formed between the flange portion and the cylinder assembly, and an avoidance portion is provided on a surface, located in the working cavity, of the flange portion;
a rotating shaft, wherein the rotating shaft passes through the flange portion and the cylinder assembly, and the rotating shaft is provided with a slide vane groove;
a slide vane, wherein the slide vane is slidably provided in the slide vane groove, an end face, towards the flange portion, of the slide vane is provided with an accommodation portion, a limiting structure is provided in the accommodation portion, the limiting structure is provided with an avoidance position in the accommodation portion, and at least part of the limiting structure is provided with a limiting position protruded out of a surface of the accommodation portion;
wherein, the rotating shaft drives the slide vane to be rotated, such that the working cavity corresponding to the slide vane performs an air suction operation and an air exhaust operation, when the working cavity performs the air suction operation, the limiting structure cooperates with the avoidance portion, such that the limiting structure is located at the limiting position, and a head of the slide vane is arranged at a distance from a cavity wall of the working cavity; and wherein
the limiting structure comprises:
a ball, the ball is moveably provided in the accommodation portion; and
a spring, the spring is provided in the accommodation portion, a first end of the spring is pressed against a side wall of the accommodation portion, and a second end of the spring is pressed against the ball, when the working cavity performs the air suction operation, a pre-tightening force is applied to the ball by the spring, such that a part of the ball is positioned outside the accommodation portion.

2. The pump body assembly as claimed in claim 1 , wherein when the working cavity performs the air exhaust operation, the limiting structure is gradually far away from the avoidance portion, such that the limiting structure is gradually moved to the avoidance position.

3. The pump body assembly as claimed in claim 1 , wherein
the accommodation portion is a limiting groove, the limiting groove is installed on an end face at one side, towards the flange portion, of a slide vane body; or
the accommodation portion is a limiting hole, the limiting hole is installed on the end face at the one side, towards the flange portion, of the slide vane body; or
the accommodation portion is a limiting groove, the limiting groove is installed on an end face at one side, towards the flange portion, of a slide vane body, the accommodation portion is a limiting hole, the limiting hole is installed on the end face at the one side, towards the flange portion, of the slide vane body.

4. The pump body assembly as claimed in claim 1 , wherein the flange portion comprises an upper flange and a lower flange,
the avoidance portion is installed on the upper flange; or
the avoidance portion is installed on the lower flange; or
one avoidance portion is installed on the upper flange, another avoidance portion is installed on the lower flange.

5. The pump body assembly as claimed in claim 4 , wherein the upper flange or the lower flange comprises a flange body, the flange body is provided with a shaft hole through which the rotating shaft passes, the avoidance portion comprises an avoidance concave portion, the avoidance concave portion is installed at a hole wall of the shaft hole, when the working cavity performs the air suction operation, the pre-tightening force is applied to the ball by the spring, such that a part of the ball is positioned in the avoidance concave portion, and a surface of the part of the ball is pressed against a side wall of the avoidance concave portion, so the head of the slide vane is arranged at a distance away from a cavity wall of the working cavity.

6. The pump body assembly as claimed in claim 5 , wherein the avoidance concave portion comprises:
a limiting section, the limiting section is installed at an edge of the shaft hole, a depth direction of the limiting section is extended to be configured along an axis direction of the shaft hole, a bottom surface at one side, close to the shaft hole, of the limiting section is aligned to a hole edge of the shaft hole, the limiting section is provided with a limiting surface, the limiting surface is configured away from the hole edge of the shaft hole and configured to form an included angle with the bottom surface, when the ball is positioned in the limiting position, a part of the ball is pressed against the limiting surface.

7. The pump body assembly as claimed in claim 6 , wherein the avoidance portion further comprises:
a first transition section, a first end of the first transition section is connected with a first end of the limiting section, a second end of the first transition section is connected with a surface at one side, towards the working cavity, of the flange body, a height from the first end of the first transition section to the second end of the first transition section is gradually increased, such that the ball is gradually moved into the accommodation portion, until the ball is positioned in the avoidance position.

8. The pump body assembly as claimed in claim 7 , wherein the avoidance portion further comprises:
a second transition section, a first end of the second transition section is connected with a second end of the limiting section, a second end of the second transition section is connected with the surface at the one side, towards the working cavity, of the flange body, a height from the first end of the second transition section to the second end of the second transition section is gradually increased and gently extended to be configured, such that the ball is gradually slid out from the accommodation portion, until the ball is positioned in the limiting position.

9. The pump body assembly as claimed in claim 1 , wherein there are multiple slide vane grooves, and there are multiple slide vanes, the multiple slide vane grooves and the multiple slide vanes are configured correspondingly one by one, and the working cavity is formed between the two neighboring slide vanes.

10. A compressor, comprising a pump body assembly, wherein the pump body assembly is the pump body assembly as claimed in claim 1 .

11. The compressor as claimed in claim 10 , wherein when the working cavity performs the air exhaust operation, the limiting structure is gradually far away from the avoidance portion, such that the limiting structure is gradually moved to the avoidance position.

12. The compressor as claimed in claim 10 , wherein
the accommodation portion is a limiting groove, the limiting groove is installed on an end face at one side, towards the flange portion, of a slide vane body; or
the accommodation portion is a limiting hole, the limiting hole is installed on the end face at the one side, towards the flange portion, of the slide vane body; or
the accommodation portion is a limiting groove, the limiting groove is installed on an end face at one side, towards the flange portion, of a slide vane body, the accommodation portion is a limiting hole, the limiting hole is installed on the end face at the one side, towards the flange portion, of the slide vane body.

13. An air conditioner, comprising a pump body assembly, wherein the pump body assembly is the pump body assembly as claimed in claim 1 .

14. A slid

Assignees

• Gree Electric Appliances Inc Zhuhai

Inventors

• Xu Jia
• Ren Liping
• Zhao Qingfu
• Liu Peng
• Cheng Xiaotong
• Wang Guanghui
• Wan Pengkai

Classifications

• F04C18/3441 Primary

  the inner and outer member being in contact along one line or continuous surface substantially parallel to the axis of rotation · CPC title

• F01C21/0809

  Construction of vanes or vane holders · CPC title

• F01C21/0845

  comprising elastic means, e.g. springs · CPC title

• F01C1/344

  with vanes reciprocating with respect to the inner member · CPC title

• F04C2210/1005

  Air · CPC title