High-stability leather cup air pump

Abstract

The utility model discloses a high-stability leather cup air pump which comprises a shell, a cavity and a power source are fixedly connected to the shell, a leather cup body is arranged on the cavity, an output shaft of the power source is connected with a movable disc through a transmission assembly, the movable disc is connected with the leather cup body and used for stretching and compressing the leather cup body, and a movable part sunken towards one side is arranged on the leather cup body. The thickness of the movable part is smaller than that of the leather cup body, a bearing is arranged in the shell, and an output shaft of the power source extends downwards to be connected with the leather cup body with the bearing; the movable part moves under the action of stretching and compression, vibration and noise generated by the movable part are reduced by reducing the thickness of the movable part, meanwhile, the output shaft of the power source is rotationally limited through the bearing, lateral deflection generated when the output shaft of the power source works is avoided, the pressure stability when the air pump works is effectively guaranteed, and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of leather cup air pumps, in particular to a high-stability leather cup air pump. Background Art

[0002] The leather cup air pump is used on the inflatable bag of health care equipment. The volume of the chamber is changed by stretching or compressing the leather cup, so that the gas enters the chamber from the air inlet and is then discharged from the chamber from the air outlet.

[0003] The current leather cup is generally made of soft materials such as rubber, with a circular ring shape around it and consistent thickness from top to bottom. When working, the active part of the leather cup is under a large load, which will produce large vibration and noise. In addition, the power source of the driving rod will also produce vibration after working for a long time, which is uncomfortable to use. Therefore, the utility model proposes a high-stability leather cup air pump that can solve the above problems. Utility Model Content

[0004] The utility model aims to provide a high-stability leather cup air pump to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above object, the utility model provides the following technical solutions: a high-stability leather cup air pump, comprising a housing, a chamber and a power source are fixedly connected to the housing, a leather cup body is arranged on the chamber, an output shaft of the power source is connected to a movable disk through a transmission assembly, and the movable disk is connected to the leather cup body for stretching and compressing the leather cup body;

[0006] The leather cup body is provided with a movable portion recessed toward one side, the thickness of the movable portion is smaller than the thickness of the leather cup body, and a bearing is provided in the shell, and the output shaft of the power source extends downward and is connected to the bearing.

[0007] As a preferred technical solution of the utility model, the housing includes a side shell and a bottom shell, and the bottom shell is detachably connected to the side shell by bolts.

[0008] As a preferred technical solution of the present invention, the bearing is installed on the upper side of the bottom shell.

[0009] As a preferred technical solution of the utility model, a fixing plate is provided on the side shell, and a plurality of positioning holes for positioning connection are opened on the fixing plate.

[0010] As a preferred technical solution of the utility model, the transmission assembly includes a traction block and a rotating block, the traction block is connected to the movable disk, the rotating block is rotatably sleeved on the output shaft of the power source and extends downward through the traction block, and the rotating block is eccentrically sleeved on the output shaft of the power source.

[0011] Compared with the prior art, the utility model has the following beneficial effects: the utility model provides a high-stability leather cup air pump, in which the movable part of the leather cup body moves under the action of tension and compression, and the vibration and noise generated by the movable part are reduced by thinning the thickness of the movable part. At the same time, the output shaft of the power source is limited by the bearing to avoid lateral deflection of the output shaft of the power source when working, thereby effectively ensuring the pressure stability of the air pump when working and extending its service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 This is a schematic diagram of the overall structure of the utility model from a first angle;

[0013] Figure 2 This is a second angle schematic diagram of the overall structure of the utility model;

[0014] Figure 3 This is a schematic diagram of the connection between the power source and the leather cup body of the utility model;

[0015] Figure 4 This is a schematic diagram of the transmission assembly structure of the utility model;

[0016] Figure 5 This is a schematic diagram of the structure of the leather cup body of the utility model;

[0017] Figure 6 This is a cross-sectional view of the leather cup body of the utility model;

[0018] In the figure: 10, shell; 11, side shell; 111, fixing plate; 112, positioning hole; 12, bottom shell; 20, chamber; 21, leather cup body; 211, movable part; 22, movable disk; 30, power source; 40, transmission assembly; 41, traction block; 42, rotating block; 50, bearing. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example 1

[0021] See also Figure 1-6A high-stability leather cup air pump includes a shell 10, a chamber 20 and a power source 30 are fixedly connected to the shell 10, a leather cup body 21 is arranged on the chamber 20, an output shaft of the power source 30 is connected to a movable disk 22 through a transmission assembly 40, and the movable disk 22 is connected to the leather cup body 21 for stretching and compressing the leather cup body 21. The power source 30 is preferably a servo motor, and the leather cup body 21 is made of rubber material.

[0022] The leather cup body 21 is provided with a movable portion 211 recessed to one side, the thickness of the movable portion 211 is less than the thickness of the leather cup body 21, and a bearing 50 is provided in the shell 10. The output shaft of the power source 30 extends downward and is connected to the bearing 50. The thickness of the movable portion 211 is preferably one quarter to one half of the thickness of the leather cup body 21.

[0023] Example 2

[0024] See also Figure 1-6 A high-stability leather cup air pump includes a shell 10, a chamber 20 and a power source 30 are fixedly connected to the shell 10, a leather cup body 21 is arranged on the chamber 20, an output shaft of the power source 30 is connected to a movable disk 22 through a transmission assembly 40, and the movable disk 22 is connected to the leather cup body 21 for stretching and compressing the leather cup body 21. The power source 30 is preferably a servo motor, and the leather cup body 21 is made of rubber material.

[0025] The leather cup body 21 is provided with a movable portion 211 recessed to one side, the thickness of the movable portion 211 is less than the thickness of the leather cup body 21, and a bearing 50 is provided in the shell 10. The output shaft of the power source 30 extends downward and is connected to the bearing 50. The thickness of the movable portion 211 is preferably one quarter to one half of the thickness of the leather cup body 21.

[0026] The housing 10 includes a side shell 11 and a bottom shell 12. The bottom shell 12 is detachably connected to the side shell 11 by bolts. The bearing 50 is installed on the upper side of the bottom shell 12. A fixing plate 111 is provided on the side shell 11. The fixing plate 111 is provided with a plurality of positioning holes 112 for positioning connection. The bottom shell 12 can be removed for maintenance, which is simple and convenient to operate. The positioning holes 112 are provided so that the air pump can be connected to external objects when working, thereby further improving its working stability.

[0027] Example 3

[0028] See also Figure 1-6 A high-stability leather cup air pump includes a shell 10, a chamber 20 and a power source 30 are fixedly connected to the shell 10, a leather cup body 21 is arranged on the chamber 20, an output shaft of the power source 30 is connected to a movable disk 22 through a transmission assembly 40, and the movable disk 22 is connected to the leather cup body 21 for stretching and compressing the leather cup body 21. The power source 30 is preferably a servo motor, and the leather cup body 21 is made of rubber material.

[0029] The leather cup body 21 is provided with a movable portion 211 recessed to one side, the thickness of the movable portion 211 is less than the thickness of the leather cup body 21, and a bearing 50 is provided in the shell 10. The output shaft of the power source 30 extends downward and is connected to the bearing 50. The thickness of the movable portion 211 is preferably one quarter to one half of the thickness of the leather cup body 21.

[0030] The transmission assembly 40 includes a traction block 41 and a rotating block 42. The traction block 41 is connected to the movable disk 22. The rotating block 42 is rotatably sleeved on the output shaft of the power source 30 and extends downward through the traction block 41. The rotating block 42 is eccentrically sleeved on the output shaft of the power source 30.

[0031] Working principle:

[0032] When the leather cup air pump is working, the output shaft of the power source 30 stretches and compresses the leather cup body 21 through the transmission assembly 40 and the movable disk 22, and the movable part 211 moves under the action of stretching and compression. The vibration and noise generated by the movable part 211 are reduced by thinning the thickness of the movable part 211. At the same time, the output shaft of the power source 30 is limited in rotation by the bearing 50 to avoid lateral deflection of the output shaft of the power source 30 when working, thereby effectively ensuring the pressure stability of the air pump when working and extending its service life.

[0033] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A high stability cup air pump, characterized in that: It comprises a shell, a chamber and a power source are fixedly connected to the shell, a leather cup body is arranged on the chamber, an output shaft of the power source is connected to a movable disk through a transmission assembly, and the movable disk is connected to the leather cup body for stretching and compressing the leather cup body; The leather cup body is provided with a movable portion recessed toward one side, the thickness of the movable portion is smaller than the thickness of the leather cup body, and a bearing is provided in the shell, and the output shaft of the power source extends downward and is connected to the bearing.

2. A high stability cup air pump according to claim 1, characterized in that: The housing comprises a side shell and a bottom shell, and the bottom shell is detachably connected to the side shell by bolts.

3. A high stability cup air pump according to claim 2, characterized in that: The bearing is installed on the upper side of the bottom shell.

4. A high stability cup air pump according to claim 2, characterized in that: The side shell is provided with a fixing plate, and the fixing plate is provided with a plurality of positioning holes for positioning connection.

5. A high stability cup air pump according to claim 1, characterized in that: The transmission assembly includes a traction block and a rotating block, the traction block is connected to the movable disk, the rotating block is rotatably sleeved on the output shaft of the power source and extends downward through the traction block, and the rotating block is eccentrically sleeved on the output shaft of the power source.

Images