Portable external pump

Abstract

The utility model provides a portable external pump, which is applied to the technical field of inflation and suction integrated air pumps, and adopts the technical scheme that the portable external pump comprises a casing, and a rack is assembled in the casing; a PCB main control board and a battery electrically connected with the PCB main control board are fixedly arranged on the rack, and a control key electrically connected with the PCB main control board is arranged on the machine shell. One end of the rack is provided with an extraction opening, the other end of the rack is provided with an inflation opening, the rack close to one side of the extraction opening is rotatably connected with an impeller, and the impeller rotates in the rack to form an air duct with one end communicated with the extraction opening and the other end communicated with the inflation opening; a driving part for driving the impeller to rotate is fixedly arranged in the rack; compared with the prior art, the portable air pump has the advantages of being simple in structure, light, convenient to carry and capable of integrating air inflation and air exhaust.

Description

Technical Field

[0001] The utility model relates to the technical field of an integrated air pump for charging and pumping, in particular to a portable external pump. Background Art

[0002] As people's living standards improve, work and life pressures are increasing. People will find some leisure activities to relieve stress after work; among them are outdoor sports enthusiasts who go to nature; some outdoor enthusiasts like SUP, surfing and other sports, so some outdoor inflatable products have appeared on the market, which are easy to carry and easy to store; there are many types of air pumps on the market, including low-pressure air pumps, high-pressure air pumps, and low-high pressure conversion air pumps, but these products can only inflate but not exhaust. When exhausting, a special air pump is required;

[0003] At present, a Chinese utility model with publication number CN218151526U discloses a handheld integrated air pump for charging and pumping, comprising a handle and a middle shell, the handle being arranged below the middle shell, a motor, a DC socket, and a DC socket electrically connected to the DC socket being arranged inside the middle shell, and a fan blade being connected to the output shaft of the motor; the middle shell is cylindrical, and the middle shell is a hollow tubular structure, with an upper shell and a lower shell respectively arranged at both ends, and channels for gas circulation are opened on the upper shell and the lower shell to realize the function of inflating at one end and pumping at the other end; a switch button for controlling the start and stop of the air pump is arranged on the outer wall of the middle shell, and a switch circuit board electrically connected to the switch button is also arranged inside the middle shell, and the switch circuit board is fixed on the motor and electrically connected to the motor.

[0004] Although the existing air pump can realize both the functions of inflation and deflating, the existing handheld integrated inflation and deflating air pump includes a middle shell and a handle, etc., which has a complex structure, is very bulky, is not light enough, and is not convenient for outdoor use and carrying. Utility Model Content

[0005] The utility model aims to provide a portable external pump, which has the advantages of simple structure, light weight, easy to carry, and integrated inflation and exhaust characteristics.

[0006] In order to achieve the above purpose and other related purposes, the utility model provides the following technical solutions:

[0007] A portable external pump comprises a casing, wherein a frame is mounted inside the casing; a PCB main control board and a battery electrically connected to the PCB main control board are fixedly mounted on the frame, and a control button electrically connected to the PCB main control board is mounted on the casing;

[0008] The frame is provided with an air extraction port at one end and an air charging port at the other end, and an impeller is rotatably connected to the frame near the air extraction port. The impeller rotates to form an air duct in the frame with one end connected to the air extraction port and the other end connected to the air charging port;

[0009] A driving member for driving the impeller to rotate is fixedly arranged in the frame.

[0010] Through the above technical solution, the frame is the load-bearing body, and the casing plays the role of dust prevention and protection of the internal mechanical structure; the PCB control board is the control center, and the battery is used to power the external pump; the driving member drives the impeller to rotate, thereby forming an air duct for air flow in the frame, and then air is extracted from the air suction port and air is inflated from the air charging port, thereby realizing an integrated setting of air extraction and inflation, and improving practicality; the traditional handle design is cancelled, the structure is simpler, lighter, and easier to carry, and is suitable for outdoor use by outdoor enthusiasts.

[0011] In one embodiment of the utility model, the frame includes a fixing seat, a main frame mounted on the fixing seat, a flow guide frame mounted on the main frame, and a fixing cover mounted on the flow guide frame and fixedly connected to one end of the casing;

[0012] The air extraction port is opened at the top of the fixed cover, and the air filling port is opened at the bottom of the fixed seat; the PCB main control board and the battery are fixed on the main frame;

[0013] The impeller is arranged above the guide frame, and the fixed cover arranges the guide frame and the impeller cover inside.

[0014] The above technical solution makes installation and disassembly easier, and facilitates subsequent maintenance or replacement of accessories.

[0015] In one embodiment of the utility model, the driving component is a motor, the motor is fixed on the guide frame, and the motor output shaft is fixedly connected to the impeller.

[0016] Through the above technical solution, the motor is used to drive the impeller to rotate.

[0017] In one embodiment of the utility model, a PCB light board is fixedly arranged on the main frame away from one end of the guide frame;

[0018] The outer cover of the PCB lamp board is provided with a lampshade, and the lampshade is fixedly mounted on the other end of the casing.

[0019] Through the above technical solution, the PCB light board and the lampshade cooperate to make the light softer and play a lighting role.

[0020] In an embodiment of the present invention, a PCB spotlight board is fixedly arranged in the middle of the fixing seat, and a spotlight lens is fixedly arranged below the PCB spotlight board.

[0021] Through the above technical solution, the PCB spotlight board and the spotlight lens cooperate to make the light more directional, achieving the purpose of focused lighting.

[0022] In an embodiment of the present invention, a bottom cover fixedly connected to the lampshade is disposed on one side of the fixing base.

[0023] Through the above technical solution, the cover plate is used to fix the lampshade, the main frame and the casing together, thereby improving the stability between the frame and the casing.

[0024] In one embodiment of the present invention, a hook is detachably mounted on the fixed cover or the bottom cover.

[0025] Through the above technical solution, the external pump hook can be conveniently hung on a mountaineering bag or a key chain, and is convenient to carry.

[0026] In an embodiment of the present invention, the hook is threadedly connected to the fixing cover.

[0027] The above technical solution makes it easy to remove the hanging buckle from the external pump to avoid obstruction of air extraction at the air extraction port.

[0028] In one embodiment of the present invention, a charging port electrically connected to the PCB main control board is provided on the frame.

[0029] Through the above technical solution, the charging port can facilitate charging of the battery.

[0030] As described above, the portable external pump of the utility model has the following beneficial effects:

[0031] 1. The PCB main control board and battery and other structures are all set in the frame, and the air extraction port and the air charging port are set at both ends of the frame. The traditional handle design is cancelled, and the structural setting is more reasonable, simple, lightweight, and easy to carry, which is suitable for outdoor enthusiasts to use outdoors; the driving member drives the impeller to rotate, thereby forming an air duct for air flow in the frame, and then air is extracted from the air extraction port and air is charged from the air charging port, realizing the integrated setting of air extraction and charging, improving practicality, and can adapt to the use of different people, making the experience effect more personalized and adaptive;

[0032] 2. The combination of PCB light board and lampshade makes the light softer and plays a role of lighting; the combination of PCB spotlight board and spotlight lens makes the light more directional and achieves the purpose of key lighting; the functions are diversified to achieve multi-functional and multi-occasion use. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the utility model;

[0034] Figure 2 It is a cross-sectional view of the overall structure of an embodiment of the utility model;

[0035] Figure 3 It is an exploded view of the overall structure of an embodiment of the utility model;

[0036] Figure 4 It is a structural schematic diagram of a frame of an embodiment of the utility model;

[0037] Figure 5 It is a bottom view of the fixing seat of the embodiment of the utility model.

[0038] Figure numerals: 1, casing; 2, frame; 3, PCB main control board; 4, battery; 5, control button; 51, control button; 52, rubber button; 8, exhaust port; 9, charging port; 10, impeller; 11, driving part; 201, fixing seat; 202, main frame; 203, guide frame; 204, fixing cover; 16, PCB lamp board; 17, lamp cover; 18, PCB spotlight board; 19, spotlight lens; 20, bottom cover; 21, hanging buckle; 22, charging port; 23, ring cover; 2031, ring plate; 2032, guide cover; 26, guide hole; 27, opening; 28, dust block; 29, spotlight holder; 30, connecting plate; 31, mounting groove. DETAILED DESCRIPTION

[0039] The following is a description of the implementation of the present invention by means of specific embodiments. People familiar with the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0040] See also Figures 1 to 5 It should be noted that the structures, proportions, sizes, etc. illustrated in the drawings in this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the utility model, so they have no substantial technical significance. Any modification of the structure, change in the proportion relationship, or adjustment of the size should still fall within the scope of the technical content disclosed by the utility model without affecting the effects and purposes that can be achieved by the utility model. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and "one" quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the utility model. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the utility model without substantially changing the technical content.

[0041] See also Figures 1 to 5 The utility model provides a portable external pump, including a housing 1, which is a cylindrical shell; a frame 2 is assembled in the housing 1, wherein the frame 2 is also a cylindrical structure; a PCB main control board 3 and a battery 4 electrically connected to the PCB main control board 3 are fixedly arranged on the frame 2, and a control button 5 electrically connected to the PCB main control board 3 is arranged on the housing 1;

[0042] An air extraction port 8 is provided at one end of the frame 2, and an air charging port 9 is provided at the other end. An impeller 10 is rotatably connected to the frame 2 near the air extraction port 8. The impeller 10 rotates to form an air duct in the frame 2, with one end connected to the air extraction port 8 and the other end connected to the air charging port 9.

[0043] A driving member 11 for driving the impeller 10 to rotate is fixedly arranged in the frame 2 .

[0044] The frame 2 includes a fixing seat 201, a main frame 202, a flow guide frame 203 and a fixing cover 204; the air inlet 9 is opened at the bottom of the fixing seat 201, and the air extraction port 8 is opened at the top of the fixing cover 204;

[0045] A plurality of connecting plates 30 are integrally formed in the middle of the fixing seat 201, and the through holes formed between the plurality of connecting plates 30 are the inflation ports 9; a spotlight holder 29 is provided in the middle of the fixing seat 201, and the spotlight holder 29 is fixedly connected to the plurality of connecting plates 30; a PCB spotlight board 18 is glued or screwed to the top of the spotlight holder 29, and a spotlight lens 19 is clamped in the spotlight holder 29 located below the spotlight board, and the PCB spotlight board 18 cooperates with the spotlight lens 19 to make the light more directional, so as to achieve the purpose of focused lighting;

[0046] The top of the fixing seat 201 is glued or screwed with a PCB light board 16, and an opening 27 is opened in the middle of the PCB light board 16. A plurality of first plug blocks are integrally formed on the top of the fixing seat 201, and a plurality of first sockets are opened at the bottom of the main frame 202. The first plug blocks are inserted into the first sockets through the opening 27, so that the fixing seat 201 and the main frame 202 are fixedly installed together; when the fixing seat 201 is fixed on the main frame 202, the top of the PCB light board 16 abuts against the bottom of the main frame 202; wherein P The diameter of the CB lamp board 16 is equal to the diameter of the main frame 202, and the outer wall of the main frame 202 and the outer wall of the PCB lamp board 16 are both attached to the inner wall of the casing 1; the outer cover of the PCB lamp board 16 and the fixing seat 201 is provided with a lampshade 17, and the lampshade 17 is glued or threadedly fixed to the bottom of the casing 1. The PCB lamp board 16 and the lampshade 17 cooperate to make the light softer and play a lighting role; the bottom cover of the fixing seat 201 is provided with a bottom cover 20, and the bottom cover 20 is threadedly connected or glued to the bottom of the lampshade 17.

[0047] The PCB main control board 3 is fixed to the main frame 202 by gluing or screws; a mounting groove 31 is provided on the main frame 202, and the battery 4 is snapped into the mounting groove 31, wherein there is a gap between the battery 4 and the PCB main control board 3 that is connected to the opening 27, so as to facilitate airflow; a first guide block is integrally formed on the outer wall of the main frame 202, and a first guide groove that cooperates with the first guide block is provided on the inner wall of the shell.

[0048] The guide frame 203 includes a ring plate 2031 and a guide cover 2032 integrally formed on the top of the ring plate 2031. The guide cover 2032 is provided with a plurality of guide holes 26. A second socket is provided on the top of the main frame 202. A second plug-in block is integrally formed at the bottom of the ring plate 2031 and plugged into the second socket.

[0049] The impeller 10 is located above the guide frame 203; the driving member 11 is screwed into the guide cover 2032. The driving member 11 in this embodiment is a motor, preferably a hollow cup motor. The output shaft of the motor passes through the guide cover 2032 and is fixedly connected to the impeller 10, wherein the diameter of the impeller 10 is smaller than the diameter of the guide cover 2032.

[0050] The fixed cover 204 sets the guide cover 2032 and the impeller 10 cover inside, the top of the ring plate 2031 is integrally formed with a third plug block, the bottom of the fixed cover 204 is provided with a third socket for plugging and matching with the third plug block, the outer wall of the ring plate 2031 and the fixed cover 204 are both attached to the inner wall of the casing 1; the outer wall of the fixed cover 204 is integrally formed with a second guide block, and the inner wall of the casing 1 is provided with a second guide groove for matching with the second guide block;

[0051] A ring cover 23 is integrally formed on the top of the fixed cover 204. The ring cover 23 is disposed on the end of the housing 1 and is fixedly connected to the housing by gluing.

[0052] A hook 21 is detachably mounted on the fixed cover 204 or the bottom cover 20; the hook 21 is convenient for hooking the external pump on a mountaineering bag or a key chain for easy carrying; in this embodiment, the hook 21 is fixed to the fixed cover 204 by a threaded connection; when the external pump is in use, the hook 21 is convenient for removing from the external pump to avoid obstructing the air suction port 8 from suctioning.

[0053] The frame 2 is provided with a charging port 22 electrically connected to the PCB main control board 3; the control button 5 in this embodiment includes a control key 51 installed on the PCB control board and a silicone button fixed on the casing 1 and covering the control key 51, and the silicone button is connected to a dust block 28 covering the charging port 22.

[0054] Brief description of the usage process:

[0055] When pumping air, unscrew the hook 21 and remove it, then align the air pumping port 8 with the air port of the object to be pumped, press the control button 5, the motor drives the impeller 10 to rotate, and the gas in the object to be pumped is pumped out through the rotation of the impeller 10 and discharged from the inflation port 9 through the air duct;

[0056] When inflating, align the inflation port 9 with the air outlet of the object to be inflated, press the control button 5, the motor drives the impeller 10 to rotate, and the external gas enters the external pump through the air suction port 8 and inflates the object to be inflated through the inflation port 9.

[0057] In summary, the PCB main control board 3, the battery 4 and other structures of the utility model are all arranged in the frame 2, the air suction port 8 and the inflation port 9 are arranged at both ends of the frame 2, the traditional handle-type design is eliminated, the structural setting is more reasonable, simple, lightweight, and easy to carry, and is suitable for outdoor enthusiasts to use outdoors; the driving member 11 drives the impeller 10 to rotate, thereby forming an air duct for air flow in the frame 2, and then air is sucked from the air suction port 8 and inflated from the inflation port 9, realizing the integrated setting of air suction and inflation, improving practicality, and being able to adapt to the use of different people, making the experience effect more personalized and adaptive.

[0058] The above embodiments are merely illustrative of the principles and effects of the present invention, and are not intended to limit the present invention. Anyone familiar with the technology may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by a person of ordinary skill in the art without departing from the spirit and technical concept disclosed in the present invention shall still be covered by the claims of the present invention.

Claims

1. A portable external pump, comprising a housing (1); characterized in that: A frame (2) is installed in the housing (1); a PCB main control board (3) and a battery (4) electrically connected to the PCB main control board (3) are fixedly arranged on the frame (2); and a control button (5) electrically connected to the PCB main control board (3) is arranged on the housing (1); The frame (2) is provided with an air suction port (8) at one end and an air charging port (9) at the other end; an impeller (10) is rotatably connected to the frame (2) near the air suction port (8); the impeller (10) rotates to form an air duct in the frame (2) with one end connected to the air suction port (8) and the other end connected to the air charging port (9); A driving member (11) for driving the impeller (10) to rotate is fixedly arranged in the frame (2); The frame (2) comprises a fixing seat (201), a main frame (202) mounted on the fixing seat (201), a flow guide frame (203) mounted on the main frame (202), and a fixing cover (204) mounted on the flow guide frame (203) and fixedly connected to one end of the casing (1); The air extraction port (8) is provided at the top of the fixed cover (204), and the air charging port (9) is provided at the bottom of the fixed seat (201); the PCB main control board (3) and the battery (4) are fixed on the main frame (202); The impeller (10) is arranged above the guide frame (203), and the fixed cover (204) covers the guide frame (203) and the impeller (10) inside; A PCB light board (16) is fixedly arranged on the main frame (202) at one end away from the flow guide frame (203); The PCB lamp board (16) is externally covered with a lampshade (17), and the lampshade (17) is fixedly mounted on the other end of the housing (1).

2. A portable external pump according to claim 1, characterized in that: The driving member (11) is a motor, the motor is fixed on the guide frame (203), and the output shaft of the motor is fixedly connected to the impeller (10).

3. A portable external pump according to claim 2, characterized in that: A PCB spotlight board (18) is fixedly arranged in the middle of the fixing seat (201), and a spotlight lens (19) is fixedly arranged below the PCB spotlight board (18).

4. A portable external pump according to claim 3, characterized in that: A bottom cover (20) fixedly connected to the lampshade (17) is provided on one side of the fixing seat (201).

5. A portable external pump according to claim 4, characterized in that: A hanging buckle (21) is detachably mounted on the fixed cover (204) or the bottom cover (20).

6. A portable external pump according to claim 5, characterized in that: The hanging buckle (21) is threadedly connected to the fixing cover (204).

7. A portable external pump according to claim 1, characterized in that: The frame (2) is provided with a charging port (22) electrically connected to the PCB main control board (3).

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