A mini air compressor

Abstract

The utility model relates to a mini air compressor, including a shell assembly, and an air pump, an air nozzle, a switch button and a charging seat arranged in the shell assembly. The shell assembly includes a main shell, a side cover, a decorative cover and a fixing seat. The side cover and the decorative cover are respectively clamped on both sides of the main shell, and the air pump is clamped between the main shell and the side cover through the fixing seat. The main purpose of the utility model is to prevent the air pump from shaking in the main shell by limiting the position of the fixing seat, thereby protecting the airtight structure between the air pump and the air nozzle and improving the service life. The side covers and the decorative covers are installed on both sides of the main shell by a clamping connection method, and there is no need to use fasteners to fix them, which reduces the difficulty of installation and improves production efficiency.

Description

Technical Field

[0001] The utility model relates to the technical field of air compressors, in particular to a mini air compressor. Background Art

[0002] A mini air compressor is a device used to compress gas. It is connected to an external paint spray gun to achieve the required spraying of objects. It has a compact structure and is easy to carry. It is widely used in medical, beauty, spray painting and other fields. Patent No. CN201320446500.9 discloses a mini art pump, including an outer shell, an air pump body arranged in the outer shell, an air nozzle and a switch arranged on the outer shell. The air pump body includes a pump body housing, a motor, a piston and a cam connecting rod mechanism.

[0003] However, the traditional air compressor structure ignores the fixation of the pump body and the motor part, so that during the carrying process, the pump body shakes relative to the outer shell due to inertia, thereby affecting the airtight structure between the pump body and the air nozzle, and reducing the service life of the air compressor. Utility Model Content

[0004] In order to overcome the shortcomings of the background technology, the technical solution adopted by the utility model is: a mini air compressor, including a shell assembly, and an air pump, an air nozzle, a switch button and a charging base arranged in the shell assembly, the shell assembly includes a main shell, a side cover, a decorative cover and a fixing base, the side cover and the decorative cover are respectively clamped on both sides of the main shell, and the air pump is clamped between the main shell and the side cover through the fixing base.

[0005] By adopting the above technical solution, the air pump is connected to an external spray gun through an air nozzle and controlled by a switch button. The charging base is connected to an external power source and provides power for the air pump. The air pump is prevented from shaking in the main shell by limiting the fixed base to maintain the stability of the structure. The side covers and decorative covers are installed on both sides of the main shell by a snap-on connection, which reduces the difficulty of installation and improves production efficiency.

[0006] The utility model is further configured that a limit block, a first clamping block and a limit groove are provided at one end of the main shell body facing the side cover, and the side cover is provided with a clamping strip adapted to the limit block, a first clamping groove clamped to the first clamping block, and a positioning strip adapted to the limit groove.

[0007] Furthermore, a back plate is provided on one side of the main shell facing the decorative cover, and the back plate is provided with a second card slot, the decorative cover is provided with a second card block adapted to the second card slot, and the decorative cover is connected to the main shell via the second card slot.

[0008] By adopting the above technical solution, when installing the side cover, first clamp one end of the clamping strip to the limit block of the main shell, rotate with the clamping strip as the axis and insert the positioning strip into the limit groove, and at the same time, the first clamping block is clamped into the first clamping groove, so that the side cover is completely embedded in the main shell; when installing the decorative cover, align the second clamping block with the second clamping groove, press it so that the second clamping block is clamped into the second clamping groove, so that the decorative cover is completely embedded in the main shell, fewer accessories are required and assembly is convenient, thereby improving production efficiency.

[0009] The utility model is further configured such that the side cover and the back plate are both provided with mounting grooves for mounting a fixing seat, the air pump comprises a motor and a pump body connected thereto, and the fixing seat is provided with an arc surface for abutting against the surface of the motor.

[0010] Furthermore, the fixing seat is provided with circumferentially distributed protrusions on the arc surface.

[0011] Furthermore, sleeves are provided on both sides of the pump body, and the side cover and the back plate are both provided with connecting columns for clamping the sleeves.

[0012] By adopting the above technical solution, the fixing seat and the sleeve are used to fix the motor and the pump body respectively. The fixing seat abuts against the side of the motor through the protrusion, which meets the heat dissipation requirements of the motor and fixes the motor at the same time, preventing the air pump from shaking and affecting the airtight structure between the air pump and the air nozzle.

[0013] The utility model is further configured that a mounting hole and a slide groove are provided on one side of the main shell located at the motor terminal, the slide groove is connected to the switch button, the slide groove is slidably connected to the charging seat, and the side cover is provided with a pressure plate for fixing the charging seat.

[0014] By adopting the above technical solution, electrical accessories such as the switch button, charging base and motor are all arranged on one side of the main shell, which facilitates the wiring between the electrical accessories and the connecting wires do not need to be too long, saving installation space.

[0015] The utility model is further configured that an adapter for placing a spray gun and a rubber pad for preventing slipping are respectively provided on the upper and lower sides of the main shell.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The air pump is prevented from shaking in the main housing by limiting the position of the fixed seat, thereby protecting the airtight structure between the air pump and the air nozzle and prolonging the service life.

[0018] 2. The side covers and decorative covers are installed on both sides of the main shell by means of a snap-on connection, without the need for fasteners, thus reducing installation difficulty and improving production efficiency.

[0019] The embodiments of the utility model are further described below in conjunction with the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a three-dimensional diagram of the utility model;

[0021] Figure 2 It is the structural explosion diagram of the utility model;

[0022] Figure 3 It is a three-dimensional diagram of the main housing of the utility model;

[0023] Figure 4 A three-dimensional diagram of the side cover of the utility model:

[0024] Figure 5 This is a three-dimensional diagram of the decorative cover of the utility model:

[0025] Figure 6 This is a three-dimensional diagram of the fixing seat of the utility model:

[0026] Among them: 1-shell assembly, 2-air pump, 3-air nozzle, 4-switch button, 5-charging seat, 6-main shell, 7-side cover, 8-decorative cover, 9-fixed seat, 11-limit block, 12-first clamping block, 13-limiting groove, 14-back plate, 15-second clamping groove, 16-mounting groove, 17-connecting column, 18-mounting hole, 19-slide, 21-clamping strip, 22-first clamping groove, 23-positioning strip, 24-pressing plate, 25-second clamping block, 26-motor, 27-pump body, 28-arc surface, 29-protrusion, 30-sleeve, 31-adapter, 32-rubber pad; DETAILED DESCRIPTION

[0027] like Figure 1 , 2 As shown, this embodiment provides a mini air compressor, including a shell assembly 1, and an air pump 2, an air nozzle 3, a switch button 4 and a charging seat 5 arranged in the shell assembly 1. The shell assembly 1 includes a main shell 6, a side cover 7, a decorative cover 8 and a fixing seat 9. The side cover 7 and the decorative cover 8 are respectively clamped on both sides of the main shell 6, and the air pump 2 is clamped between the main shell 6 and the side cover 7 through the fixing seat 9.

[0028] Combination Figure 3 , 4 As shown in Figures 5 and 6, in this embodiment, a limit block 11, a first clamping block 12 and a limit groove 13 are provided on one end of the main shell 6 facing the side cover 7, the side cover 7 is provided with a clamping strip 21 adapted to the limit block 11, a first clamping slot 22 clamped to the first clamping block 12, and a positioning strip 23 adapted to the limit groove 13, a back plate 14 is provided on the side of the main shell 6 facing the decorative cover 8, and the back plate 14 is provided with a second clamping slot 15, the decorative cover 8 is provided with a second clamping block 25 adapted to the second clamping slot 15, and the decorative cover 8 is clamped to the main shell 6 via the second clamping slot 15.

[0029] Combination Figure 6 As shown, in this embodiment, the side cover 7 and the back plate 14 are both provided with a mounting groove 16 for mounting the fixing seat 9, the air pump 2 includes a motor 26 and a pump body 27 connected to each other, the fixing seat 9 is provided with an arc surface 28 corresponding to the side of the motor 26, the fixing seat 9 is provided with a circumferentially distributed protrusions 29 on the arc surface 28, sleeves 30 are provided on both sides of the pump body 27, the side cover 7 and the back plate 14 are both provided with a connecting column 17 for clamping the sleeve 30, the fixing seat 9 and the sleeve 30 are respectively used to fix the motor 26 and the pump body 27, the fixing seat 9 is in contact with the surface of the motor 26 through the protrusion 29, which meets the heat dissipation requirement of the motor 26 while fixing the motor 26, thereby preventing the air pump 2 from shaking and affecting the airtight structure between the air pump 2 and the air nozzle 3.

[0030] In this embodiment, a mounting hole 18 and a slide groove 19 are provided on one side of the main shell 6 located at the wiring terminal of the motor 26, the slide groove 19 is connected to the switch button 4, the slide groove 19 is slidably connected to the charging seat 5, and the side cover 7 is provided with a pressure plate 24 for fixing the charging seat 5, the pressure plate 24 completely fixes the charging seat 5 in the slide groove 19, and electrical accessories such as the switch button 4, the charging seat 5 and the motor 26 are all arranged on one side of the main shell 6, which is convenient for wiring between electrical accessories and the connecting wire does not need to be too long, saving installation space, and pneumatic accessories such as the pump body 27 and the air nozzle 3 are uniformly installed on the other side of the main shell 6, and the overall structural design is reasonable.

[0031] In this embodiment, an adapter 31 for placing the spray gun and a rubber pad 32 for anti-slip are respectively provided on the upper and lower sides of the main housing 6.

[0032] The working principle of the utility model is that the motor 26 controls the gas compression in the pump body 27 through the crank-connecting rod structure, the pump body 27 is connected to the spray gun through the air nozzle 3, the switch button 4 controls the on and off of the motor 26, and the charging seat 5 is connected to the external power supply and provides power for the motor 26; during installation, the fixing seat 9 and the sleeve 30 are pre-installed on the main shell 6 and the side cover 7 respectively, the air pump 2, the air nozzle 3, the switch button 4 and the charging seat 5 and other accessories are installed in the main shell 6, the end of the side cover 7 with the card strip 21 is clamped to the limit block 11 of the main shell 6, the card strip 21 is rotated as the axis and the positioning strip 23 is inserted into the limit groove 13, at the same time, the first card block 12 is clamped into the first card groove 22, so that the side cover 7 is completely embedded in the main shell 6, the decorative cover 8 on the other side aligns the second card block 25 with the second card groove 15, and after pressing, the decorative cover 8 is completely embedded in the main shell 6, the adapter 31 and the rubber pad 32 are respectively clamped into the upper and lower sides of the main shell 6, and the overall structural design is reasonable and easy to install.

[0033] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A mini air compressor, comprising a housing assembly (1), and an air pump (2), an air nozzle (3), a switch button (4) and a charging stand (5) arranged in the housing assembly (1), characterized in that: The housing assembly (1) comprises a main housing (6), a side cover (7), a decorative cover (8) and a fixing seat (9); the side cover (7) and the decorative cover (8) are respectively clamped on two sides of the main housing (6); and the air pump (2) is clamped between the main housing (6) and the side cover (7) via the fixing seat (9).

2. A mini air compressor according to claim 1, characterized in that: The main housing (6) is provided with a limit block (11), a first clamping block (12) and a limit groove (13) at one end facing the side cover (7); the side cover (7) is provided with a clamping strip (21) matched with the limit block (11), a first clamping groove (22) clamped with the first clamping block (12), and a positioning strip (23) matched with the limit groove (13).

3. A mini air compressor according to claim 2, characterized in that: The main housing (6) is provided with a back plate (14) on a side facing the decorative cover (8), and the back plate (14) is provided with a second card slot (15), the decorative cover (8) is provided with a second card block (25) adapted to the second card slot (15), and the decorative cover (8) is card-connected to the main housing (6) via the second card slot (15).

4. A mini air compressor according to claim 3, characterized in that: The side cover (7) and the back plate (14) are both provided with a mounting groove (16) for mounting a fixing seat (9); the air pump (2) comprises a motor (26) and a pump body (27) connected to each other; and the fixing seat (9) is provided with an arc surface (28) for abutting against the surface of the motor (26).

5. A mini air compressor according to claim 4, characterized in that: The fixing seat (9) is provided with convex parts (29) distributed in a circumference on the arc surface (28).

6. The mini air compressor according to claim 4, characterized in that: Sleeves (30) are provided on both sides of the pump body (27), and the side cover (7) and the back plate (14) are both provided with connecting columns (17) for clamping the sleeves (30).

7. The mini air compressor according to claim 4, characterized in that: The main housing (6) is provided with a mounting hole (18) and a slide groove (19) on one side of the motor (26) terminal, the slide groove (19) is connected to the switch button (4), the slide groove (19) is slidably connected to the charging seat (5), and the side cover (7) is provided with a pressure plate (24) for fixing the charging seat (5).

8. The mini air compressor according to claim 1, characterized in that: An adapter (31) for placing a spray gun and a rubber pad (32) for preventing slipping are respectively provided on the upper and lower sides of the main housing (6).

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