CN219452330U

CN219452330U - Portable air compressor

Info

Publication number: CN219452330U
Application number: CN202320331126.1U
Authority: CN
Inventors: 杨琪; 付清团
Original assignee: Richtek Electronics Co Ltd
Current assignee: Richtek Electronics Co Ltd
Priority date: 2023-02-24
Filing date: 2023-02-24
Publication date: 2023-08-01
Anticipated expiration: 2033-02-24

Abstract

The utility model relates to a portable air compressor, which comprises an air drum component and an air pump component, wherein the air drum component comprises a fixed seat, an air drum power element, a fan blade and an exhaust pipe, the air drum power element is arranged on the fixed seat and used for driving the fan blade to rotate, the fan blade is rotationally connected with an air inlet end of the fixed seat, and the exhaust pipe is communicated with an air outlet end of the fixed seat; the air pump assembly comprises a support, an air cylinder barrel, an air pump power element and a connecting rod, wherein one end of the air cylinder barrel is communicated with the support, the other end of the air cylinder barrel is communicated with the exhaust pipe, the air pump power element is arranged on the support and used for driving the connecting rod to reciprocate, and one end of the connecting rod is arranged on the air cylinder barrel in a sliding mode. The portable air compressor drives the fan blades to rotate through the wind drum power element to provide low-pressure high-flow air flow; the connecting rod is driven by the air pump power element to be arranged in the cylinder barrel in a sliding way, so that high-pressure low-flow air flow is provided, and the pneumatic cylinder is applicable to different pneumatic tools; the portable air compressor is compact in structure, various in function and wide in application range.

Description

Portable air compressor

Technical Field

The utility model relates to the technical field of air compressors, in particular to a portable air compressor.

Background

The air compressor is a device for compressing gas, is widely applied to various fields of industrial production, and is mainly used for providing power sources for pneumatic tools and the like, such as life buoys, air cushion beds, skin raft boats, automobile tires and the like. However, different pneumatic tools have different requirements for the air compressor, so a plurality of air compressors are available on the market to be suitable for different pneumatic tools. However, storing a plurality of air compressors occupies a large space and is inconvenient to carry.

Disclosure of Invention

In view of the above, it is necessary to provide a compact portable air compressor.

The portable air compressor comprises an air drum assembly and an air pump assembly, wherein the air drum assembly comprises a fixed seat, an air drum power element, a fan blade and an exhaust pipe, the air drum power element is arranged on the fixed seat and used for driving the fan blade to rotate, the fan blade is rotationally connected to an air inlet end of the fixed seat, and the exhaust pipe is communicated with an air outlet end of the fixed seat; the air pump assembly comprises a support, an air cylinder barrel, an air pump power element and a connecting rod, wherein one end of the air cylinder barrel is communicated with the support, the other end of the air cylinder barrel is communicated with the exhaust pipe, the air pump power element is installed on the support and used for driving the connecting rod to reciprocate, and one end of the connecting rod is slidably arranged on the air cylinder barrel.

In one embodiment, the air outlet end of the fixing seat is provided with an air hole; the air drum assembly further comprises an air drum valve block, the air drum valve block is arranged at the air outlet end of the fixing seat, and the air drum valve block is used for closing or opening the air holes.

In one embodiment, the wind-driven generator further comprises an air inlet nozzle and an air guide seat, wherein the air inlet nozzle is communicated with the air inlet end of the fixed seat, and the fan blade is arranged in the air inlet nozzle; the wind guide seat is arranged at the air inlet end of the fixed seat, and one end of the wind-driven element is arranged at one end of the wind guide seat far away from the fan blade.

In one embodiment, the air pump assembly further comprises a turntable, a transmission shaft and an eccentric wheel, wherein the turntable is rotationally connected in the bracket, and the air pump power element is used for driving the turntable to rotate; the transmission shaft is rotatably connected with the support, the transmission shaft penetrates through the turntable and the eccentric wheel, and the connecting rod is pivoted with the eccentric wheel.

In one embodiment, the air pump assembly further comprises a support bearing, the support bearing is mounted on the bracket, and the transmission shaft penetrates through the support bearing.

In one embodiment, the turntable is in meshed connection with the output end of the air pump power element.

In one embodiment, the air pump assembly further comprises a sealing ring sleeved at one end of the connecting rod close to the cylinder barrel, and the side wall of the sealing ring abuts against the inner side of the cylinder barrel.

In one embodiment, an air inlet hole is formed in one end, close to the cylinder barrel, of the connecting rod, and the air pump assembly further comprises a first valve block, the first valve block is mounted at one end, close to the cylinder barrel, of the connecting rod, and the first valve block is used for closing or opening the air inlet hole.

In one embodiment, the cylinder barrel is close to one end of the exhaust pipe and is provided with an air outlet, the air pump assembly further comprises a cylinder cover, a second valve block and an elastic piece, one end of the cylinder cover is communicated with the cylinder barrel, the other end of the cylinder cover is communicated with the exhaust pipe, the second valve block is slidably arranged on the cylinder cover, the second valve block is used for closing or opening the air outlet, one end of the elastic piece is abutted to the second valve block, and the other end of the elastic piece is abutted to the cylinder cover.

In one embodiment, the air pump assembly further comprises a connecting pipe, one end of the connecting pipe is communicated with the cylinder cover, and the other end of the connecting pipe is communicated with the exhaust pipe.

The portable air compressor drives the fan blades to rotate through the wind drum power element to provide low-pressure high-flow air flow; the connecting rod is driven by the air pump power element to be arranged in the cylinder barrel in a sliding way, so that high-pressure low-flow air flow is provided, and the pneumatic cylinder is applicable to different pneumatic tools; the portable air compressor is compact in structure, various in function and wide in application range.

Drawings

Fig. 1 is a schematic diagram illustrating an assembled structure of a portable air compressor according to an embodiment of the present utility model;

fig. 2 is a cross-sectional view of the portable air compressor shown in fig. 1 taken along line A-A;

fig. 3 is an enlarged view of circle B in fig. 2.

The meaning of the reference numerals in the drawings are:

100. a portable air compressor;

10. a wind drum assembly; 11. a fixing seat; 110. ventilation holes; 12. a wind-driven power element; 13. a fan blade; 14. an exhaust pipe; 15. an air inlet nozzle; 16. an air guide seat; 17. a wind drum valve block; 20. an air pump assembly; 21. a bracket; 210. a through hole; 22. a cylinder barrel; 220. an air outlet hole; 23. an air pump power element; 24. a connecting rod; 240. an air inlet hole; 25. a turntable; 26. a transmission shaft; 27. an eccentric wheel; 28. a support bearing; 29. a first valve block; 31. a cylinder head; 32. a second valve block; 33. an elastic member; 34. and (5) connecting pipes.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Referring to fig. 1 to 3, a portable air compressor 100 according to an embodiment of the utility model includes a wind drum assembly 10 and an air pump assembly 20, wherein the wind drum assembly 10 includes a fixing seat 11, a wind drum power element 12, a fan blade 13 and an exhaust pipe 14, the air pump assembly 20 includes a bracket 21, an air cylinder 22, an air pump power element 23 and a connecting rod 24, and the portable air compressor 100 drives the fan blade 13 to rotate through the wind drum power element 12 to provide low-pressure and high-flow air flow; the connecting rod 24 is driven by the air pump power element 23 to be arranged on the cylinder barrel 22 in a sliding way, so that high-pressure and low-flow air flow is provided, and the pneumatic cylinder is applicable to different pneumatic tools.

As shown in fig. 1 and 2, in the present embodiment, the wind drum assembly 10 includes a fixing seat 11, a wind drum power element 12, a fan blade 13 and an exhaust pipe 14, wherein the wind drum power element 12 is mounted on the fixing seat 11, the wind drum power element 12 is used for driving the fan blade 13 to rotate, the fan blade 13 is rotationally connected to an air inlet end of the fixing seat 11, and the exhaust pipe 14 is communicated with an air outlet end of the fixing seat 11; optionally, the air outlet end of the fixing seat 11 is provided with an air hole 110, and the air drum power element 12 is a motor. The air drum assembly 10 further comprises an air inlet nozzle 15 and an air guide seat 16, wherein the air inlet nozzle 15 is communicated with the air inlet end of the fixed seat 11, so that air can be conveniently converged; the fan blades 13 are arranged in the air inlet nozzle 15; the wind guide seat 16 is installed at the air inlet end of the fixed seat 11, the wind guide seat 16 is installed at one end of the fan blade 13, and one end of the wind-driven power element 12 is installed at one end of the wind guide seat 16 far away from the fan blade 13. In an embodiment, the air drum assembly 10 further includes an air drum valve block 17, the air drum valve block 17 is mounted at the air outlet end of the fixing seat 11, and the air drum valve block 17 is used for closing or opening the air holes 110; alternatively, the damper block 17 is a rubber valve block so as to be deformed to close or open the ventilation holes 110.

As shown in fig. 1 to 3, the air pump assembly 20 includes a bracket 21, an air cylinder 22, an air pump power element 23 and a connecting rod 24, one end of the air cylinder 22 is communicated with the bracket 21, the other end is communicated with the exhaust pipe 14, the air pump power element 23 is mounted on the bracket 21, the air pump power element 23 is used for driving the connecting rod 24 to reciprocate, and one end of the connecting rod 24 is arranged on the air cylinder 22 in a sliding manner; optionally, a through hole 210 is formed at one end of the bracket 21 for air intake, and an air outlet hole 220 is formed at one end of the cylinder 22 close to the exhaust pipe 14; the air pump power element 23 is a motor, and an air inlet 240 is arranged at one end of the connecting rod 24 near the cylinder 22.

As shown in fig. 2, the air pump assembly 20 further includes a turntable 25, a transmission shaft 26, and an eccentric wheel 27, wherein the turntable 25 is rotatably connected to the inside of the bracket 21, and the air pump power element 23 is used for driving the turntable 25 to rotate; the transmission shaft 26 rotates the connecting bracket 21, the transmission shaft 26 penetrates through the turntable 25 and the eccentric wheel 27, and the connecting rod 24 is pivoted on the eccentric wheel 27; optionally, the turntable 25 is in meshed connection with the output end of the air pump power element 23; further, the air pump assembly 20 further includes a support bearing 28, the support bearing 28 is mounted to the bracket 21, and the driving shaft 26 penetrates the support bearing 28, thereby fixing the position of the driving shaft 26. When the air pump is used, the air pump power element 23 drives the rotary table 25 to rotate, the rotary table 25 drives the transmission shaft 26 to rotate, the transmission shaft 26 drives the eccentric wheel 27 to synchronously rotate, and the eccentric wheel 27 drives the connecting rod 24 to slide along the cylinder barrel 22. The air pump assembly 20 further includes a sealing ring (not shown) sleeved on one end of the connecting rod 24 near the cylinder 22, and a side wall of the sealing ring abuts against the inner side of the cylinder 22.

Referring to fig. 2 and 3 together, the air pump assembly 20 further includes a first valve block 29, the first valve block 29 is mounted on an end of the connecting rod 24 near the cylinder 22, and the first valve block 29 is used for closing or opening the air intake hole 240. The air pump assembly 20 further comprises a cylinder cover 31, a second valve block 32 and an elastic piece 33, one end of the cylinder cover 31 is communicated with the cylinder barrel 22, the other end of the cylinder cover is communicated with the exhaust pipe 14, the second valve block 32 is slidably arranged on the cylinder cover 31, the second valve block 32 is used for closing or opening the air outlet hole 220, one end of the elastic piece 33 is abutted against the second valve block 32, and the other end is abutted against the cylinder cover 31. The air pump assembly 20 further includes a connection pipe 34, one end of the connection pipe 34 being connected to the cylinder head 31, and the other end being connected to the exhaust pipe 14. When the air is sucked, under the action of the elastic piece 33, the second valve block 32 closes the air outlet hole 220, the connecting rod 24 moves away from the second valve block 32, the air flow pushes the first valve block 29 to move away from the connecting rod 24 so as to open the air inlet hole 240, and the air flow enters the cylinder barrel 22 through the air inlet hole 240; when the exhaust is performed, the connecting rod 24 moves towards the direction approaching the second valve block 32, so that air in the cylinder barrel 22 is compressed, the air in the cylinder barrel 22 forces the first valve block 29 to move towards the connecting rod 24 to close the air inlet 240, and as the connecting rod 24 moves continuously, the compressed air in the cylinder barrel 22 forces the second valve block 32 to compress the elastic piece 33, so that the second valve block 32 is far away from the air outlet 220, and the compressed air in the cylinder barrel 22 sequentially passes through the air outlet 220, the cylinder cover 31 and the connecting pipe 34 to enter the exhaust pipe 14.

When the product with smaller pressure is to be inflated, such as an air cushion bed, a life buoy and the like, low-pressure and high-flow air flow is needed to be inflated, at the moment, the air drum power element 12 drives the fan blade 13 to rotate, the air flow enters the fixed seat 11 through the air guide seat 16, and then the air drum valve block 17 is forced to deform to open the air holes 110, so that the air flow enters the exhaust pipe 14 from the fixed seat 11; when the product with high pressure is to be inflated, such as automobile tires, bicycle tires, motorcycle tires and the like, high-pressure and low-flow air flow is needed, at the moment, the air drum power element 12 is stopped, the air pump power element 23 is started, the air pump power element 23 drives the rotary table 25 to rotate, the rotary table 25 drives the transmission shaft 26 to synchronously rotate, the transmission shaft 26 drives the eccentric wheel 27 to synchronously rotate, and the eccentric wheel 27 drives the connecting rod 24 to reciprocate along the cylinder barrel 22, so that air suction and air exhaust are realized. The exhaust pipe 14 is shared by low-pressure high-flow air flow or high-pressure low-flow air flow for discharging, so that the structure is compact.

The portable air compressor 100 drives the fan blades 13 to rotate through the wind drum power element 12 to provide low-pressure and high-flow air flow; the connecting rod 24 is driven by the air pump power element 23 to be arranged on the cylinder barrel 22 in a sliding way, so that high-pressure low-flow air flow is provided, and the pneumatic cylinder is applicable to different pneumatic tools; the portable air compressor 100 has compact structure, various functions and wide application range.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The portable air compressor is characterized by comprising an air drum assembly and an air pump assembly, wherein the air drum assembly comprises a fixed seat, an air drum power element, a fan blade and an exhaust pipe, the air drum power element is arranged on the fixed seat and used for driving the fan blade to rotate, the fan blade is rotationally connected to an air inlet end of the fixed seat, and the exhaust pipe is communicated with an air outlet end of the fixed seat; the air pump assembly comprises a support, an air cylinder barrel, an air pump power element and a connecting rod, wherein one end of the air cylinder barrel is communicated with the support, the other end of the air cylinder barrel is communicated with the exhaust pipe, the air pump power element is installed on the support and used for driving the connecting rod to reciprocate, and one end of the connecting rod is slidably arranged on the air cylinder barrel.

2. The portable air compressor of claim 1, wherein the air outlet end of the fixing seat is provided with an air vent; the air drum assembly further comprises an air drum valve block, the air drum valve block is arranged at the air outlet end of the fixing seat, and the air drum valve block is used for closing or opening the air holes.

3. The portable air compressor of claim 1, wherein the air drum assembly further comprises an air inlet nozzle and an air guide seat, the air inlet nozzle is communicated with an air inlet end of the fixed seat, and the fan blade is installed in the air inlet nozzle; the wind guide seat is arranged at the air inlet end of the fixed seat, and one end of the wind-driven element is arranged at one end of the wind guide seat far away from the fan blade.

4. The portable air compressor of claim 1, wherein the air pump assembly further comprises a turntable, a transmission shaft and an eccentric wheel, the turntable is rotatably connected in the bracket, and the air pump power element is used for driving the turntable to rotate; the transmission shaft is rotatably connected with the support, the transmission shaft penetrates through the turntable and the eccentric wheel, and the connecting rod is pivoted with the eccentric wheel.

5. The portable air compressor of claim 4, wherein the air pump assembly further comprises a support bearing mounted to the bracket, the drive shaft passing through the support bearing.

6. The portable air compressor of claim 4, wherein the turntable is in meshed connection with an output end of the air pump power element.

7. The portable air compressor of claim 1, wherein the air pump assembly further comprises a sealing ring sleeved at one end of the connecting rod near the cylinder barrel, and a side wall of the sealing ring abuts against the inner side of the cylinder barrel.

8. The portable air compressor of claim 1, wherein an air intake is provided at an end of the connecting rod adjacent to the cylinder barrel, the air pump assembly further comprises a first valve block mounted at an end of the connecting rod adjacent to the cylinder barrel, the first valve block being configured to close or open the air intake.

9. The portable air compressor of claim 1, wherein an air outlet hole is formed in one end, close to the exhaust pipe, of the cylinder barrel, the air pump assembly further comprises a cylinder cover, a second valve block and an elastic piece, one end of the cylinder cover is communicated with the cylinder barrel, the other end of the cylinder cover is communicated with the exhaust pipe, the second valve block is slidably arranged on the cylinder cover, the second valve block is used for closing or opening the air outlet hole, one end of the elastic piece is abutted against the second valve block, and the other end of the elastic piece is abutted against the cylinder cover.

10. The portable air compressor of claim 9, wherein the air pump assembly further comprises a connection tube having one end communicating with the cylinder head and the other end communicating with the exhaust tube.