CN213298203U

CN213298203U - Hand-held air gun

Info

Publication number: CN213298203U
Application number: CN202021388300.9U
Authority: CN
Inventors: 沈兴祥; 曾安斌
Original assignee: ZHANGJIAGANG CHUANGJI MACHINERY MANUFACTURING CO LTD
Current assignee: ZHANGJIAGANG CHUANGJI MACHINERY MANUFACTURING CO LTD
Priority date: 2020-07-15
Filing date: 2020-07-15
Publication date: 2021-05-28
Anticipated expiration: 2030-07-15

Abstract

The utility model discloses a rifle is aerifyd to hand-held type, include: the air inflation device comprises a shell, an air inflation channel is arranged in the shell, the air inflation component, a motor for driving the air inflation component, a battery pack, a controller and a starting button which is connected with the controller and used for starting the motor, an air outlet of the air inflation component is communicated with an inlet of the air inflation channel, an air pressure sensor connected with the controller is further arranged in the shell, an air pressure detection port of the air pressure sensor is communicated with the air inflation channel through a detection channel, a display screen and an operation button which are connected with the controller are arranged on the side wall of the shell, an air pressure value required to be inflated by an inflatable object can be set in the controller through the operation button, the set air pressure value can be displayed on the display screen, and when the air pressure detected by the air pressure sensor reaches the set air pressure value, the controller can stop the motor. The hand-held inflation gun can automatically stop inflating when the air pressure in the inflatable object detected by the air pressure sensor reaches the set air pressure value.

Description

Hand-held air gun

Technical Field

The utility model relates to an aerating device field, concretely relates to hand-held type aerifys rifle.

Background

When inflating automobile tires, rubber boats, balloons, and the like, the electric inflator pump is widely applied because of convenience and labor saving. The structure of the existing electric air pump mainly comprises: the air charging device comprises a shell, wherein an air charging channel, an air charging assembly, a motor for driving the air charging assembly, a battery pack for supplying power to the motor, a controller for controlling the motor and a starting button connected with the controller and used for starting the motor are arranged in the shell, an air outlet of the air charging assembly is communicated with an inlet of the air charging channel, an outlet of the air charging channel is connected with an air charging object waiting for charging air through an air charging pipe, the motor works after the starting button is pressed, and an air outlet of the air charging assembly can exhaust air outwards under the driving of the motor, so that the air charging object can be charged. When the electric inflator pump is used for inflating, a pressure gauge is required to be connected to the inflation tube, so that the pressure in an inflatable object can be detected in real time through the pressure gauge during inflation; however, workers easily overlook the pressure gauge or mistakenly read the pressure gauge in the process of inflation, so that the situation of over-inflation or under-inflation is easy to occur; additionally, checking pressure gauge readings from time to time during inflation can affect inflation efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: a hand-held inflation gun that can accurately inflate an inflatable object will be provided.

In order to solve the above problem, the utility model discloses the technical scheme who adopts does: a hand-held inflation gun comprising: the casing, be provided with in the casing and aerify the passageway, aerify the subassembly, a motor for driving aerify the subassembly, the battery package for the motor power supply, a controller for controlling the motor, the start button who is used for the starter motor that links to each other with the controller, aerify the gas outlet of subassembly and be linked together with aerifing the entry of passageway, aerify the export of passageway and be used for linking to each other with the inflatable thing of waiting for aerifing, the motor work after pressing the start button, aerify the subassembly and its gas outlet can outwards exhaust under the drive of motor, thereby can aerify the inflatable thing, its characterized in that: still be provided with the baroceptor that links to each other with the controller in the casing, the baroceptor's atmospheric pressure detects the mouth and is linked together through the detection channel who sets up in the casing with aerifing the passageway, make the baroceptor can carry out real-time detection to the atmospheric pressure in the object of aerifing during aerifing, be provided with display screen and operating button on the lateral wall of casing, display screen and operating button all link to each other with the controller, can set for the required atmospheric pressure numerical value of aerifing of object in the controller through operating button, the atmospheric pressure numerical value of setting for can show on the display screen, when the atmospheric pressure that the baroceptor detected reaches the atmospheric pressure numerical value of setting for, the controller can make the motor stop work and make the subassembly of aerifing.

Further, the aforesaid hand-held type air gun, wherein: the structure of the inflation assembly includes: the air cylinder is divided into a compression cavity and a driving cavity by the piston, an air outlet of the inflation component is arranged on the air cylinder and communicated with the compression cavity, an air suction port communicated with the compression cavity is also arranged on the air cylinder, the sealing sheet is positioned in the compression cavity and covers the air suction port, one end of the sealing sheet is not fixed, the other end of the sealing sheet is fixed with the air cylinder so that the sealing sheet can carry out one-way sealing on the air suction port, the sealing block is positioned between the air outlet of the air cylinder and an inlet of the inflation channel, a compression spring is arranged between the sealing block and the inlet of the inflation channel, one end of the compression spring is abutted against an inlet of the inflation channel, the other end of the compression spring is abutted against the sealing block so that the sealing block can carry out one-way sealing on the air outlet of the air cylinder under the action of the compression spring, and the inner end of the driving rod is inserted into, the outer end of the driving rod is hinged with the balance disc, the motor can drive the balance disc to rotate, and the rotating center of the balance disc and the hinged point of the driving rod are eccentrically arranged, so that the piston can be driven by the driving rod to reciprocate back and forth in the cylinder after the balance disc rotates; when the piston moves backwards to enlarge the compression cavity, negative pressure can be generated in the compression cavity, so that the sealing sheet can be pushed up without sealing the air suction port, the compression cavity can suck air through the air suction port, and the air outlet can be sealed by the sealing block; when the piston moves forwards to reduce the compression cavity, the air in the compression cavity is compressed, so that the compressed air can overcome the elastic force of the compression spring to push the sealing block open, the compressed air can be discharged from the air outlet, and the spring sheet on the air suction port can be covered on the air suction port under the action of the compressed air to seal.

Further, the aforesaid hand-held type air gun, wherein: the driving structure between the motor and the balance disk includes: the driving shaft is arranged in the shell through a bearing, the balance disc and the large gear are respectively sleeved on the driving shaft, the large gear can drive the balance disc to rotate through the driving shaft, and the small gear is arranged on an output shaft of the motor and meshed with the large gear.

Further, the aforesaid hand-held type air gun, wherein: the operating button is provided with three, is respectively: the starting button of the display screen, the increasing button of the air pressure numerical value and the decreasing button of the air pressure numerical value.

Further, the aforesaid hand-held type air gun, wherein: the outer side wall of the shell is provided with a clamping groove for clamping and carrying the inflatable accessory.

The utility model has the advantages that: the handheld inflating gun can set the air pressure value required to be inflated by the inflatable object and can detect the air pressure in the inflatable object, and when the air pressure in the inflatable object detected by the air pressure sensor reaches the set air pressure value, the handheld inflating gun can automatically stop inflating, so that the aim of accurately inflating the inflatable object can be fulfilled.

Drawings

Fig. 1 is a schematic structural view of the hand-held inflation gun of the present invention.

Fig. 2 is an enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a right-view structural diagram of fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the following specific examples and the accompanying drawings.

As shown in fig. 1 and 2, the hand-held air gun comprises: the air inflation device comprises a machine shell 1, wherein an air inflation channel 2, an air inflation component 3, a motor 4 for driving the air inflation component 3, a battery pack 5 for supplying power to the motor 4, a controller 6 for controlling the motor 4, and a starting button 61 connected with the controller 6 and used for starting the motor 4 are arranged in the machine shell 1, an air outlet 31 of the air inflation component 3 is communicated with an inlet of the air inflation channel 2, an outlet of the air inflation channel 2 is used for being connected with an inflatable object waiting for inflation, the motor 4 works after the starting button 61 is pressed, an air outlet 31 of the air inflation component 3 is driven by the motor 4 to exhaust air outwards so as to inflate the inflatable object, an air pressure sensor 62 connected with the controller 6 is further arranged in the machine shell 1, an air pressure detection port of the air pressure sensor 62 is communicated with the air inflation channel 2 through a detection channel 63 arranged in the machine shell 1, so that the air pressure sensor 62 can detect the air pressure in the inflatable, the side wall of the machine shell 1 is provided with a display screen 7 and an operation button 8, the display screen 7 and the operation button 8 are both connected with the controller 6, the air pressure value required to be charged by the inflatable object can be set in the controller 6 through the operation button 8, the set air pressure value can be displayed on the display screen 7, and when the air pressure detected by the air pressure sensor 62 reaches the set air pressure value, the controller 6 can enable the motor 4 to stop working to enable the inflatable component 3 to stop charging.

In the present embodiment, the structure of the inflation assembly 3 includes: the air cylinder 32 is provided with a piston 37, the piston 37 divides the air cylinder 32 into a compression cavity and a driving cavity, an air outlet 31 of the inflation component 3 is arranged on the air cylinder 32 and communicated with the compression cavity, the air cylinder 32 is further provided with an air inlet 38 communicated with the compression cavity, the sealing sheet 36 is positioned in the compression cavity, the sealing sheet 36 covers the air inlet 38, one end of the sealing sheet 36 is not fixed, the other end of the sealing sheet 36 is fixed with the air cylinder 32, so that the sealing sheet 36 can perform one-way sealing on the air inlet 38, the sealing block 35 is positioned between the air outlet 31 of the air cylinder 32 and the inlet of the inflation channel 2, a compression spring 39 is arranged between the sealing block 35 and the inlet of the inflation channel 2, one end of the compression spring 39 is abutted against the inlet of the inflation channel 2, and the other end of the compression spring 39 is abutted against the sealing block 35, the sealing block 35 can perform one-way sealing on the air outlet 31 of the air cylinder 32 under the action of the compression spring 39, the inner end of the driving rod 33 is inserted into the driving cavity and hinged with the piston 37, the outer end of the driving rod 33 is hinged with the balance disc 34, the motor 4 can drive the balance disc 34 to rotate, and the rotating center of the balance disc 34 and the hinged point of the driving rod 33 are eccentrically arranged, so that the piston 37 can be driven to reciprocate back and forth in the air cylinder 32 through the driving rod 33 after the balance disc 34 rotates; when the piston 37 moves backwards to expand the compression chamber, negative pressure is generated in the compression chamber, so that the sealing sheet 36 can be pushed up to seal the air suction port 38, the compression chamber can suck air through the air suction port 38, and the air outlet 31 can be sealed by the sealing block 35; when the piston 37 moves forward to reduce the compression chamber, the air in the compression chamber is compressed, so that the compressed air can overcome the elastic force of the compression spring 39 to push the sealing block 35 open, and the compressed air can be discharged from the air outlet 31, and the spring leaf 36 on the air inlet 38 can be covered on the air inlet 38 to seal under the action of the compressed air.

In the present embodiment, the driving structure between the motor 4 and the balance disk 34 includes: the balance mechanism comprises a large gear 41, a small gear 42 and a driving shaft 43, wherein the driving shaft 43 is arranged in the machine shell 1 through a bearing, the balance disc 34 and the large gear 41 are respectively sleeved on the driving shaft 43, the large gear 41 can drive the balance disc 34 to rotate through the driving shaft 43, and the small gear 42 is arranged on an output shaft of the motor 4 and meshed with the large gear 41.

In this embodiment, the operation buttons 8 are provided with three, which are respectively: an opening button of the display screen 7, an increasing button of the air pressure numerical value and a decreasing button of the air pressure numerical value.

As shown in fig. 3, a slot 11 for clamping and carrying an inflation fitting, such as an inflation tube, is provided on the outer side wall of the housing 1. The arrangement is convenient for carrying the accessory.

Claims

1. A hand-held inflation gun comprising: the casing, be provided with in the casing and aerify the passageway, aerify the subassembly, a motor for driving aerify the subassembly, the battery package for the motor power supply, a controller for controlling the motor, the start button who is used for the starter motor that links to each other with the controller, aerify the gas outlet of subassembly and be linked together with aerifing the entry of passageway, aerify the export of passageway and be used for linking to each other with the inflatable thing of waiting for aerifing, the motor work after pressing the start button, aerify the subassembly and its gas outlet can outwards exhaust under the drive of motor, thereby can aerify the inflatable thing, its characterized in that: still be provided with the baroceptor that links to each other with the controller in the casing, the baroceptor's atmospheric pressure detects the mouth and is linked together through the detection channel who sets up in the casing with aerifing the passageway, make the baroceptor can carry out real-time detection to the atmospheric pressure in the object of aerifing during aerifing, be provided with display screen and operating button on the lateral wall of casing, display screen and operating button all link to each other with the controller, can set for the required atmospheric pressure numerical value of aerifing of object in the controller through operating button, the atmospheric pressure numerical value of setting for can show on the display screen, when the atmospheric pressure that the baroceptor detected reaches the atmospheric pressure numerical value of setting for, the controller can make the motor stop work and make the subassembly of aerifing.

2. The hand-held inflation gun of claim 1, wherein: the structure of the inflation assembly includes: the air cylinder is divided into a compression cavity and a driving cavity by the piston, an air outlet of the inflation component is arranged on the air cylinder and communicated with the compression cavity, an air suction port communicated with the compression cavity is also arranged on the air cylinder, the sealing sheet is positioned in the compression cavity and covers the air suction port, one end of the sealing sheet is not fixed, the other end of the sealing sheet is fixed with the air cylinder so that the sealing sheet can carry out one-way sealing on the air suction port, the sealing block is positioned between the air outlet of the air cylinder and an inlet of the inflation channel, a compression spring is arranged between the sealing block and the inlet of the inflation channel, one end of the compression spring is abutted against an inlet of the inflation channel, the other end of the compression spring is abutted against the sealing block so that the sealing block can carry out one-way sealing on the air outlet of the air cylinder under the action of the compression spring, and the inner end of the driving rod is inserted into, the outer end of the driving rod is hinged with the balance disc, the motor can drive the balance disc to rotate, and the rotating center of the balance disc and the hinged point of the driving rod are eccentrically arranged, so that the piston can be driven by the driving rod to reciprocate back and forth in the cylinder after the balance disc rotates; when the piston moves backwards to enlarge the compression cavity, negative pressure can be generated in the compression cavity, so that the sealing sheet can be pushed up without sealing the air suction port, the compression cavity can suck air through the air suction port, and the air outlet can be sealed by the sealing block; when the piston moves forwards to reduce the compression cavity, the air in the compression cavity is compressed, so that the compressed air can overcome the elastic force of the compression spring to push the sealing block open, the compressed air can be discharged from the air outlet, and the spring sheet on the air suction port can be covered on the air suction port under the action of the compressed air to seal.

3. The hand-held inflation gun of claim 2, wherein: the driving structure between the motor and the balance disk includes: the driving shaft is arranged in the shell through a bearing, the balance disc and the large gear are respectively sleeved on the driving shaft, the large gear can drive the balance disc to rotate through the driving shaft, and the small gear is arranged on an output shaft of the motor and meshed with the large gear.

4. The hand-held inflation gun of claim 1, 2 or 3, wherein: the operating button is provided with three, is respectively: the starting button of the display screen, the increasing button of the air pressure numerical value and the decreasing button of the air pressure numerical value.

5. The hand-held inflation gun of claim 1, 2 or 3, wherein: the outer side wall of the shell is provided with a clamping groove for clamping and carrying the inflatable accessory.