CN210239965U - Hand-held electric digital display inflator - Google Patents
Hand-held electric digital display inflator Download PDFInfo
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- CN210239965U CN210239965U CN201921032640.5U CN201921032640U CN210239965U CN 210239965 U CN210239965 U CN 210239965U CN 201921032640 U CN201921032640 U CN 201921032640U CN 210239965 U CN210239965 U CN 210239965U
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- air pump
- digital display
- pressure
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- 238000001514 detection method Methods 0.000 claims abstract description 18
- 238000007789 sealing Methods 0.000 claims description 10
- 238000004146 energy storage Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005286 illumination Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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Abstract
A hand-held electric digital display inflator comprises a holding handle shell, an electric control assembly, a digital display screen and an electric air pump; the air outlet end of the electric air pump is covered with an air pressure top cover, an air pressure chamber is formed between the air pressure top cover and the electric air pump, a pressure detection air hole and an air outlet pipe which are communicated with the air outlet of the electric air pump through the air pressure chamber are respectively arranged on the air pressure top cover, and a pressure sensor is sealed on the pressure detection air hole. The utility model utilizes the air pressure chamber to realize the intercommunication among the air outlet pipe, the pressure sensor and the air outlet of the electric air pump, the air pressure generated by the electric air pump can synchronously act on the pressure sensor and the object to be inflated, and the pressure sensor can accurately and synchronously detect the air pressure data of the object to be inflated in real time; the digital display screen is utilized to synchronously display the pressure data detected by the pressure sensor, so that an operator can observe the air pressure value intuitively and in real time, and the inflated object can be ensured to obtain and keep the optimal inflation state.
Description
Technical Field
The utility model belongs to the technical field of aerating device technique and specifically relates to an electronic digital display inflator of hand-held type.
Background
A hand-held electric inflator (also known as a hand-held electric air pump) is a daily tool that is driven by an electric motor to perform an inflation operation of an object to be inflated, such as a basketball, a balloon, a swim ring, a tire, etc. Compared with the traditional manual inflator, the appearance of the handheld electric inflator can very conveniently meet the daily inflation work requirement, but the following problems still generally exist:
1. the inflation pressure cannot be effectively and accurately detected in real time, which usually results in over-high or over-low air pressure of the article to be inflated; taking the existing inflatable articles of the ball as an example, the improper air pressure often seriously affects the exertion of the optimal performance of the ball.
2. In view of the foregoing problems, although some conventional handheld electric inflators generally use a dial-type pressure gauge to solve the problem of inflation pressure display, the pressure value displayed on the dial is inconvenient to observe, and after the pressure gauge is used for many times for a long time, the pressure value is easily displayed inaccurately due to stress fatigue or overload of a spring inside the pressure gauge; thereby seriously affecting the actual use effect of the inflator.
3. The structural design of the inflator is not reasonable, so that the inflator has relatively single practical function, large volume and occupied space, and is inconvenient to carry, operate and use.
Therefore, there is a need for an improved handheld electric inflator to maximize its practical performance and meet practical requirements.
SUMMERY OF THE UTILITY MODEL
To the deficiencies of the prior art, the purpose of the utility model is to provide a hand-held electric digital display inflator pump.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a hand-held electric digital display inflator comprises a holding handle shell, an electric control assembly arranged in the holding handle shell, a digital display screen embedded on the wall surface of the holding handle shell and electrically connected with the electric control assembly, and an electric air pump packaged in the holding handle shell and controlled by the electric control assembly, wherein the wall of the holding handle shell is also provided with an air inlet hole communicated with an air inlet of the electric air pump through the inner space of the holding handle shell;
the air outlet end of the electric air pump is covered with an air pressure top cover, an air pressure chamber is formed between the air pressure top cover and the electric air pump, the air pressure top cover is respectively provided with a pressure detection air hole and an air outlet pipe which penetrates through the shell wall of the holding handle shell and is distributed, the pressure detection air hole and the air outlet pipe are simultaneously communicated with the air outlet of the electric air pump through the air pressure chamber, and the pressure detection air hole is sealed and covered with a pressure sensor which is connected with the digital display screen through an electric control assembly.
Preferably, the atmospheric pressure top cap includes that one superposes in apron on the terminal surface at the gas outlet place of electric air pump, one is formed on the internal face of apron and encircles the sealed cofferdam and the peripheral location lock post that the gas outlet of electric air pump distributes on the apron and a plurality of sets up on the apron and lies in sealed cofferdam, be provided with on the terminal surface at the gas outlet place of electric air pump and be used for supplying the location lock post to counterpoint the location lockhole of inserting, the atmospheric pressure chamber is cut apart by sealed cofferdam to the space between electric air pump and the apron and is enclosed the back shaping, pressure detection gas pocket and outlet duct all are located the profile range of sealed cofferdam.
Preferably, a first hole site and a second hole site are formed in the cover plate and located within the outline range of the sealed cofferdam, the air outlet pipe is formed by axially extending the hole wall of the first hole site, the pressure detection air hole is composed of the second hole site and a positioning pipe sleeve distributed around the second hole site, and the pressure sensor is locked in the positioning pipe sleeve and covers the second hole site.
Preferably, the electric air pump comprises an air pump motor connected with the electronic control assembly and controlled by the electronic control assembly and a diaphragm type pump cylinder coaxially arranged on a power shaft of the electric motor, an air inlet of the diaphragm type pump cylinder is used as an air inlet of the electric air pump and is communicated with the inner space of the grip handle shell through a structural gap formed between a main body of the air pump motor and the diaphragm type pump cylinder, and the air pressure top cover covers the air outlet end side of the diaphragm type pump cylinder and is positioned at one end far away from the air pump motor.
Preferably, the grip handle shell comprises a bottom shell and a face cover which are assembled into a whole relatively, a control accommodating cavity and an air pump accommodating cavity which are distributed along the length direction of the grip handle shell and are communicated with each other are formed between the bottom shell and the face cover, the electronic control assembly is arranged in the control accommodating cavity, the electronic air pump is arranged in the air pump accommodating cavity, the digital display screen is embedded on the face cover and is located in the outline range of the control accommodating cavity, and the air inlet hole and the air outlet pipe are located at two ends of the bottom shell in the length direction respectively.
Preferably, the electronic control assembly comprises an energy storage battery, a drive control board electrically connected with the energy storage battery, a charging/data interface and a plurality of function control keys, wherein the charging/data interface and the plurality of function control keys are embedded on the wall surface of the holding handle shell and connected with the drive control board, and the electric air pump, the pressure sensor and the digital display screen are respectively connected with the drive control board.
Preferably, the electric control assembly further comprises an illuminating lamp which is embedded in the wall of the holding handle shell and distributed on the same side with the air outlet pipe, and the illuminating lamp is electrically connected with the driving control board.
By adopting the scheme, the utility model utilizes the air pressure chamber to realize the intercommunication among the air outlet pipe, the pressure sensor and the air outlet of the electric air pump, the air pressure generated by the electric air pump can synchronously act on the pressure sensor and the object to be inflated, and the pressure sensor can accurately and synchronously detect the air pressure data of the object to be inflated in real time; the digital display screen is utilized to synchronously display the pressure data detected by the pressure sensor, so that an operator can observe the air pressure value intuitively and in real time, and the inflated object can be ensured to obtain and keep the optimal inflation state.
Drawings
FIG. 1 is a schematic view of the structural assembly of an embodiment of the present invention;
FIG. 2 is an exploded view of an embodiment of the present invention;
fig. 3 is an exploded view of the secondary structure of the embodiment of the present invention;
FIG. 4 is a schematic view of the structure and assembly of the electric air pump according to the embodiment of the present invention;
fig. 5 is an exploded view (one) of the electric air pump according to the embodiment of the present invention;
fig. 6 is an exploded schematic view (ii) of the electric air pump according to the embodiment of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 6, the present embodiment provides a hand-held electronic digital display inflator, which includes a grip handle housing 10, an electronic control assembly installed in the grip handle housing 10, a digital display 20 embedded on a wall surface of the grip handle housing 10 and electrically connected to the electronic control assembly, and an electronic air pump 30 enclosed in the grip handle housing 10 and controlled by the electronic control assembly, wherein a wall of the grip handle housing 10 is further provided with an air inlet hole a communicated with an air inlet of the electronic air pump 30 through an inner space of the grip handle housing 10; meanwhile, an air pressure top cover 40 is covered at the air outlet end of the electric air pump 30, an air pressure chamber b is formed between the air pressure top cover 40 and the electric air pump 30, a pressure detection air hole 50 and an air outlet pipe 60 which is distributed through the shell wall of the grip handle shell 10 are respectively arranged on the air pressure top cover 40, wherein the pressure detection air hole 50 and the air outlet pipe 60 are simultaneously communicated with the air outlet of the electric air pump 30 through the air pressure chamber b, and a pressure sensor 70 which is connected with the digital display screen 20 through an electric control assembly is sealed and covered on the pressure detection air hole 50.
Therefore, the air pressure top cover 40 can provide a space position for the pressure sensor 70 to be assembled at the air outlet side of the electric air pump 30, the air outlet pipe 60, the pressure sensor 70 and the air outlet of the electric air pump 30 are communicated by using the air pressure chamber b formed between the electric air pump 30 and the air pressure top cover 40, when the air outlet pipe 60 is butted with an article to be inflated (such as balls, tires, swim rings and the like), the electric air pump 30 can be started through an electric control assembly, the air pressure generated by the electric air pump 30 can synchronously act on the pressure sensor 70 and the article to be inflated, and the pressure sensor 70 can accurately and synchronously detect the air pressure data of the article to be inflated in real time; meanwhile, the pressure data can be synchronously displayed on the digital display screen 20 by utilizing the conversion processing of the electric control assembly on the signals output by the pressure sensor 70, so that an operator can visually observe the air pressure value in real time, and the inflated object can be ensured to obtain and keep the optimal inflation state; of course, by improving the system performance of the electronic control assembly (for example, by using the existing pressure detection and display control system formed based on the microcontroller), the operator may also set the inflation pressure value in advance according to the type of the article to be inflated, and when the article is inflated and the pressure value reaches the preset value, the inflation can be automatically stopped.
In order to optimize the structural relationship between the pneumatic top cover 40 and the electric air pump 30 to the maximum, the pneumatic top cover 40 of the present embodiment includes a cover plate 41 stacked on the end surface where the air outlet of the electric air pump 30 is located, a sealing cofferdam 42 formed on the inner wall surface of the cover plate 41 and distributed around the air outlet of the electric air pump 30, and a plurality of positioning locking posts 43 disposed on the cover plate 41 and located at the periphery of the sealing cofferdam 42, and correspondingly, positioning locking holes (not shown) for positioning and inserting the positioning locking posts 43 are disposed on the end surface where the air outlet of the electric air pump 30 is located, and the pneumatic chamber b is formed by dividing and enclosing the space between the electric air pump 30 and the cover plate 41 by the sealing cofferdam 42, and the pressure detecting air holes 50 and the air outlet pipe 60 are both located within the outline range of the sealing. Therefore, the air pressure top cover 40 and the electric air pump 30 can be disassembled and assembled by utilizing the alignment connection relationship between the positioning lock columns 43 and the positioning lock holes, and the air pressure chamber b can be formed by utilizing the abutting relationship of the sealing cofferdam 42 to the end surface of the electric air pump 30 on the premise of not modifying the structure of the electric air pump 30, so that the air outlet pipe 60, the pressure sensor 70 and the air outlet of the electric air pump 30 are communicated.
As a preferable scheme, in order to ensure the stability of the assembly of the pressure sensor 70 and simultaneously detect the air outlet pressure of the electric air pump 30 in real time, accurately and synchronously, a first hole site c and a second hole site d are formed in the cover plate 41 and within the outline range of the sealing cofferdam 42; the air outlet pipe 60 is formed by axially extending the hole wall of the first hole site c, the pressure detection air hole 50 is formed by the second hole site d and the positioning pipe sleeve 44 distributed around the second hole site d, and the pressure sensor 70 is locked in the positioning pipe sleeve 44 and covers the second hole site d.
Preferably, the electric air pump 30 of the present embodiment includes an air pump motor 31 connected to and controlled by the electronic control assembly, and a diaphragm type pump cylinder 32 coaxially mounted on a power shaft of the electric motor 31 (it is understood that the electric air pump 30 is a main structure of an existing pneumatic diaphragm pump); the air inlet of the diaphragm pump cylinder 32 is used as the air inlet of the electric air pump 30 and is communicated with the inner space of the grip handle housing 10 through a structural gap formed between the main body of the air pump motor 31 and the diaphragm pump cylinder 32, and the air pressure top cover 40 covers the air outlet end side of the diaphragm pump cylinder 32 and is located at one end far away from the air pump motor 31. Therefore, the structural gap between the electric motor 31 and the diaphragm pump cylinder 32 can be used as an air inlet passage of the electric air pump 30, and a sufficient and smooth air source can be obtained when the electric air pump 30 is started under the cooperation of the internal space of the grip handle housing 10 and the air inlet hole a. Meanwhile, the internal space of the grip housing 10 is used as one of the air inlet channels of the electric air pump 30, which creates conditions for heat dissipation of the electronic control assembly.
In order to facilitate the disassembly and assembly maintenance of the whole inflator, the grip handle shell 10 of the embodiment includes a bottom shell 11 and a face cover 12 which are assembled relatively, a control receiving cavity e and an air pump receiving cavity f which are distributed along the length direction of the grip handle shell 10 and are communicated with each other are formed between the bottom shell 11 and the face cover 12, an electric control assembly is installed in the control receiving cavity e, an electric air pump 30 is installed in the air pump receiving cavity f, meanwhile, the digital display screen 20 is embedded on the face cover 12 and is located in the outline range of the control receiving cavity e, and the air inlet hole a and the air outlet pipe 60 are respectively located at two ends of the length direction of the bottom shell 11. Therefore, independent installation space can be provided for the electric air pump 30 and the electric control assembly through the control accommodating cavity e and the air pump accommodating cavity f, the two accommodating cavities are linearly distributed, and the arrangement positions of the air inlet hole a and the air outlet pipe 60 are utilized, so that in the starting process of the electric air pump 30, external air can enter the air inlet of the electric air pump 30 through the air inlet hole a and the control accommodating cavity e sequentially, heat generated by the electric control assembly and the digital display screen 20 can be taken away, and structural conditions are created for heat dissipation of heat generating components of the inflator pump. In addition, the main components of the whole inflator adopt the arrangement form along the length direction, which is also beneficial to reducing the width of the inflator and is convenient for operators to hold.
In order to optimize the system performance of the whole inflator and enhance the portability and flexible use performance of the inflator, the electronic control assembly of the embodiment mainly includes an energy storage battery 81 installed in the control accommodating cavity e, a driving control board 82 electrically connected with the energy storage battery 81, a charging/data interface 83 (such as a USB interface or a DC interface, etc.) and a plurality of function control keys 84 (such as a start key, a stop key, a mode adjustment key, etc.) embedded on the wall surface of the grip handle housing 10 and connected with the driving control board 82, wherein the electric air pump 30, the pressure sensor 70 and the digital display screen 20 are respectively connected with the driving control board 82. Therefore, the energy storage battery 81 can be used for providing a stable power supply for the whole inflator pump, and the function setting of the inflator pump can be realized through the model selection and the system improvement of the driving control panel 82; of course, in the actual design, the specific system structure of the electronic control assembly may refer to the existing pressure detection and display system, which is not described herein again.
In order to enhance the practical function of the inflator, the electronic control assembly of this embodiment further includes an illuminating lamp 90 embedded in the wall of the grip housing 10 and disposed on the same side as the outlet pipe 60, and the illuminating lamp 90 is electrically connected to the driving control board 82. Utilize light 90 not only can make the inflator pump possess the function of flashlight, in dim environment, also can utilize the produced illumination effect of light 90, make operating personnel can assemble outlet duct 60 on treating the inflatable articles fast to the convenience that the reinforcing inflator pump used.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (7)
1. The utility model provides an electronic digital display inflator of hand-held type which characterized in that: the electric air pump is characterized by comprising a holding handle shell, an electric control assembly arranged in the holding handle shell, a digital display screen which is embedded on the wall surface of the holding handle shell and is electrically connected with the electric control assembly, and an electric air pump which is packaged in the holding handle shell and is controlled by the electric control assembly, wherein the wall of the holding handle shell is also provided with an air inlet hole communicated with an air inlet of the electric air pump through the inner space of the holding handle shell;
the air outlet end of the electric air pump is covered with an air pressure top cover, an air pressure chamber is formed between the air pressure top cover and the electric air pump, the air pressure top cover is respectively provided with a pressure detection air hole and an air outlet pipe which penetrates through the shell wall of the holding handle shell and is distributed, the pressure detection air hole and the air outlet pipe are simultaneously communicated with the air outlet of the electric air pump through the air pressure chamber, and the pressure detection air hole is sealed and covered with a pressure sensor which is connected with the digital display screen through an electric control assembly.
2. The hand-held electric digital display inflator according to claim 1, characterized in that: the air pressure top cover comprises a cover plate, a sealing cofferdam and a plurality of positioning lock posts, wherein the cover plate is stacked on the end face of the air outlet of the electric air pump, the sealing cofferdam is formed on the inner wall face of the cover plate and distributed around the air outlet of the electric air pump, the plurality of positioning lock posts are arranged on the cover plate and located on the periphery of the sealing cofferdam, the positioning lock holes used for positioning and inserting the positioning lock posts are formed in the end face of the air outlet of the electric air pump, the air pressure chamber is formed after the sealing cofferdam is used for dividing and enclosing the space between the electric air pump and the cover plate, and the air pressure detection hole and the air outlet.
3. The hand-held electric digital display inflator according to claim 2, characterized in that: the cover plate is provided with a first hole site and a second hole site within the outline range of the sealed cofferdam, the air outlet pipe is formed by axially extending the hole wall of the first hole site, the pressure detection air hole is composed of the second hole site and a positioning pipe sleeve distributed around the second hole site, and the pressure sensor is locked in the positioning pipe sleeve and covers the second hole site.
4. The hand-held electric digital display inflator according to claim 1, characterized in that: the electric air pump comprises an air pump motor connected with the electric control assembly and controlled by the electric control assembly and a diaphragm type pump cylinder coaxially arranged on a power shaft of the electric motor, an air inlet of the diaphragm type pump cylinder is used as an air inlet of the electric air pump and communicated with the inner space of the holding handle shell through a structural gap formed between a main body of the air pump motor and the diaphragm type pump cylinder, and the air pressure top cover covers the air outlet end side of the diaphragm type pump cylinder and is positioned at one end far away from the air pump motor.
5. The hand-held electric digital display inflator according to claim 1, characterized in that: the handle shell of gripping includes that the relative drain pan and the face lid of assembling as an organic whole, be formed with along the length direction distribution of the handle shell of gripping and the controlling part holding chamber and the air pump holding chamber that link up each other between drain pan and the face lid, automatically controlled assembly installs in the controlling part holding intracavity, electronic air pump installs in the air pump holding intracavity, digital display screen inlays the profile scope that is located the controlling part holding chamber on installing in the face lid, go into gas pocket and outlet duct and be located the length direction's of drain pan both ends respectively.
6. The hand-held electric digital display inflator according to any one of claims 1 to 5, characterized in that: the electric control assembly comprises an energy storage battery, a drive control panel electrically connected with the energy storage battery, a charging/data interface and a plurality of function control keys, wherein the charging/data interface and the plurality of function control keys are embedded on the wall surface of the holding handle shell and connected with the drive control panel, and the electric air pump, the pressure sensor and the digital display screen are respectively connected with the drive control panel.
7. The hand-held electric digital display inflator according to claim 6, characterized in that: the electric control assembly also comprises an illuminating lamp which is embedded on the shell wall of the holding handle shell and distributed on the same side with the air outlet pipe, and the illuminating lamp is electrically connected with the driving control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921032640.5U CN210239965U (en) | 2019-07-03 | 2019-07-03 | Hand-held electric digital display inflator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921032640.5U CN210239965U (en) | 2019-07-03 | 2019-07-03 | Hand-held electric digital display inflator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210239965U true CN210239965U (en) | 2020-04-03 |
Family
ID=69989449
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921032640.5U Expired - Fee Related CN210239965U (en) | 2019-07-03 | 2019-07-03 | Hand-held electric digital display inflator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210239965U (en) |
-
2019
- 2019-07-03 CN CN201921032640.5U patent/CN210239965U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200403 |