CN110067732A - Hand electric air pump - Google Patents
Hand electric air pump Download PDFInfo
- Publication number
- CN110067732A CN110067732A CN201910424206.XA CN201910424206A CN110067732A CN 110067732 A CN110067732 A CN 110067732A CN 201910424206 A CN201910424206 A CN 201910424206A CN 110067732 A CN110067732 A CN 110067732A
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- China
- Prior art keywords
- air pump
- piston
- cavity
- shell
- hand electric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000009467 reduction Effects 0.000 claims abstract description 18
- 241000271510 Agkistrodon contortrix Species 0.000 claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 16
- 230000003247 decreasing effect Effects 0.000 claims description 7
- 230000007423 decrease Effects 0.000 claims description 3
- 230000033001 locomotion Effects 0.000 abstract description 22
- 230000006835 compression Effects 0.000 description 11
- 238000007906 compression Methods 0.000 description 11
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 6
- 229910052802 copper Inorganic materials 0.000 description 6
- 239000010949 copper Substances 0.000 description 6
- 230000005611 electricity Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000001681 protective effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 230000036961 partial effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000005273 aeration Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000000670 limiting effect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/10—Adaptations or arrangements of distribution members
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/121—Casings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/122—Cylinder block
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
A kind of hand electric air pump includes air pump ontology, transmission mould group, power supply, cylinder body and piston.Air pump ontology includes shell and copperhead, and transmission mould group includes motor, driving gear and reduction gearing, and motor is placed in shell, and driving gear is installed on the output shaft of motor, and reduction gearing is engaged with driving gear, and eccentric platform is provided in reduction gearing；Power supply is set on shell, and cylinder body offers adapter cavity and air cavity, and piston includes connecting rod, external ring and piston ring, and external ring covers on eccentric platform, and piston ring set is placed on connecting rod, and piston ring is located in air cavity.Transmission mould group is adjusted the structure of piston for driving piston to carry out piston motion in cylinder body to inflate to exterior part, improves the gassing rate of air pump.
Description
Technical field
The present invention relates to a kind of air pumps, more particularly to a kind of hand electric air pump.
Background technique
Hand electric air pump is a kind of by motor drive, for completing some inflation work, such as to balloon, basket
Ball, swim ring and automobile tire etc. need charge operation, at the same be also applied for machining or Automatic manual transmission during need into
The occasion of row inflation.Compared with previous hand-operated tools, the appearance of hand electric air pump greatly facilitates worker or makes
Demand when the daily inflation and processing operation of user.
However, needs are set on cylinder body when the piston in existing hand electric air pump carries out piston motion in cylinder body
Special air intake is set, enters cylinder interior for extraneous gas, and need that check valve is arranged in air intake, prevents piston pump
Gas is overflowed by air intake when gas, and air intake is arranged and check valve needs to occupy the space on cylinder body, and in hand-held air pump
Portion space is limited, it means that the volume available of cylinder body reduces.
Summary of the invention
The purpose of the present invention is overcoming shortcoming in the prior art, a kind of hand electric air pump is provided, to piston
And the structure of cylinder body optimizes, and improves air pump cylinder body inner space utilization rate, and then improve air-pump inflating efficiency.
The purpose of the present invention is achieved through the following technical solutions:
A kind of hand electric air pump includes: air pump ontology, transmission mould group, power supply, cylinder body, piston and driving plate；
The air pump ontology includes shell and copperhead, and the shell offers gas outlet, and the copperhead is set to described outer
On the inner sidewall of shell, and the copperhead is connected to the gas outlet；
The transmission mould group includes motor, driving gear and reduction gearing, and the motor is placed in the shell, described
Driving gear is installed on the output shaft of the motor, and the reduction gearing is engaged with the driving gear, the reduction gearing
On be provided with eccentric platform；
The power supply is set on the one end of the shell far from the gas outlet；
The driving plate is installed on the shell, and the driving plate is electrically connected with the motor and the power supply respectively
It connects；
The cylinder body offers adapter cavity and air cavity, and the air cavity is connected to the adapter cavity, the copperhead and the cylinder
The outer wall of body connects, and the copperhead is connected to the adapter cavity；
The piston includes connecting rod, external ring and piston ring, and the connecting rod and the external ring are an integral molding structure, institute
It states external ring to cover on the eccentric platform, the piston ring set is placed on the one end of the connecting rod far from the external ring, institute
It states piston ring to be located in the air cavity, and the outer wall of the piston ring is bonded with the inner wall of the air cavity, outside the piston ring
Diameter is successively decreased by the side for being laterally away from the adapter cavity close to the adapter cavity, and motor rotation is for driving the piston ring
It is moved back and forth along the air cavity inner wall.
The eccentric platform is cylindrical structure in one of the embodiments,.
The internal diameter of the external ring is greater than the diameter of the eccentric platform in one of the embodiments,.
The piston ring includes fastening block and deformation block in one of the embodiments, and the fastening block is placed on described
On connecting rod, the deformation block is set on the outer wall of the fastening block, and is bonded with the inner wall of the air cavity.
The deformation block is annular in shape in one of the embodiments, and the outer diameter of the deformation block is by close to the mistake
Successively decrease to one end far from the adapter cavity one end for crossing chamber.
Bearing is equipped in the external ring in one of the embodiments,.
It in one of the embodiments, further include check valve, the check valve is in the adapter cavity.
The shell is provided with holding part and work department in one of the embodiments, and the motor is located at the grip
In portion, the piston and the cylinder body are respectively positioned in the work department.
The axis of the holding part and the axis of the work department are mutually perpendicular in one of the embodiments,.
The driving gear and the reduction gearing are spur gear in one of the embodiments,.
Above-mentioned hand electric air pump is driven mould group by setting air pump ontology, transmission mould group, power supply, cylinder body and piston
For driving piston to carry out piston motion in cylinder body to inflate to exterior part, and the structure of piston and cylinder body is adjusted
It is whole, improve the inflation rate of air pump.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it should be understood that the following drawings illustrates only certain embodiments of the present invention, therefore is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structural schematic diagram of the hand electric air pump in one embodiment of the invention；
Fig. 2 is the perspective view of the explosion of the pump housing inside hand electric air pump shown in FIG. 1；
Fig. 3 is located at piston when near point position for platform eccentric in one embodiment of the invention and illustrates in the intracorporal working condition of cylinder
Figure；
Fig. 4 is the structural schematic diagram that piston shown in Fig. 3 carries out intermediate state when piston motion in cylinder body；
Fig. 5 is that bias platform shown in Fig. 3 is located at when at far point position piston in the intracorporal working state schematic representation of cylinder；
Fig. 6 is the explosive view of the power supply in one embodiment of the invention；
Fig. 7 is the partial structural diagram of the holding part of shell；
Fig. 8 is partial enlargement diagram of the Fig. 5 at A；
Fig. 9 is four intercardinal distribution schematic diagrams in eccentric platform motion profile.
Specific embodiment
To facilitate the understanding of the present invention, a more comprehensive description of the invention is given in the following sections with reference to the relevant attached drawings.In attached drawing
Give better embodiment of the invention.But the invention can be realized in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose of providing these embodiments is that making to understand more the disclosure
Add thorough and comprehensive.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement for illustrative purposes only, are not meant to be the only embodiment.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more
Any and all combinations of relevant listed item.
Referring to Fig. 1, a kind of hand electric air pump 10 includes: air pump ontology 100, transmission mould group 200, power supply 300, cylinder
400 piston 500 of body and driving plate 130, power supply 300 is used to provide electric energy to transmission mould group 200, so that transmission mould group 200 drives
Piston 500 does piston motion in cylinder body 400, and buffer structure is provided on piston 500, reduces pendulum when piston 500 moves
Width, abrasion loss when reducing piston motion between piston 500 and cylinder body 400.
Fig. 1 and Fig. 2 is please referred to, air pump ontology 100 includes shell 110 and copperhead 120, and shell 110 offers gas outlet, copper
First 120 are set on the inner sidewall of shell 110, and copperhead 120 is connected to gas outlet；Being driven mould group 200 includes motor 210, master
Moving gear 220 and reduction gearing 230, specifically, driving gear 220 and reduction gearing 230 are spur gear.Motor 210 accommodates
In in shell 110, driving gear 220 is installed on the output shaft of motor 210, and reduction gearing 230 is engaged with driving gear 220,
Eccentric platform 231 is provided in reduction gearing 230；Power supply 300 is set to shell 110 far from one end of gas outlet, driving plate 130
It is installed on shell 110, and driving plate 130 is electrically connected with motor 210 and power supply 300 respectively, power supply 300 passes through driving plate 130
It powers to motor 210；The wherein centerline axis parallel of the center line of eccentric platform 231 and reduction gearing 230, in eccentric platform 231
Heart line to reduction gearing 230 central axis distance be eccentric platform 231 the radius of gyration.
Motor 210 will drive the rotation of driving gear 220 when starting, when driving gear 220 rotates, reduction gearing 230 is therewith
Rotation, and the eccentric platform 231 in reduction gearing 230 starts to rotate centered on the axial line of reduction gearing 230, and is rotating
Piston 500 is stirred in the process makees piston motion in cylinder body 400.Wherein, copperhead 120 is located at the gas outlet of shell 110, to
It is connect with external air-inflating tube, the compressed gas that hand electric air pump 10 generates is passed through by the product for needing to inflate by air-inflating tube
It is internal.
Referring to Fig. 3, cylinder body 400 offers adapter cavity 410 and air cavity 420, air cavity 420 is connected to adapter cavity 410, copperhead
120 connect with the outer wall of cylinder body 400, and copperhead 120 is connected to adapter cavity 410；There are two cavitys, piston 500 inside cylinder body 400
In air cavity 420, and piston motion is carried out inside air cavity 420, air is compressed and squeeze into adapter cavity 410, that is,
Air is compressed at air cavity 420, compressed air is entered pressure stabilizing in adapter cavity 410, when hand electric air pump 10
With when aerated product is connected, the compressed gas in adapter cavity 410 is same as interiors of products.
Please refer to figs. 2 and 3, and piston 500 includes connecting rod 510, external ring 520 and piston ring 530, connecting rod 510 and external
Ring 520 is an integral molding structure, and external ring 520 covers on eccentric platform 231, and the outer wall of eccentric platform 231 and external ring 520
Inner wall is tangent, and piston ring 530 is placed on the one end of connecting rod 510 far from external ring 520, and piston ring 530 is located in air cavity 420,
And the outer wall of piston ring 530 is bonded with the inner wall of air cavity 420, the outer diameter of piston ring 530 is from the side close to adapter cavity 410 to remote
Side from adapter cavity 410 is successively decreased, and the rotation of motor 210 is for driving piston ring 530 to move back and forth along 420 inner wall of air cavity.
Piston ring 530 is along 420 inner wall reciprocating movement of air cavity, and air pressure can change therewith in cylinder body 400, specifically
, when piston ring 530 is to close to the movement of 410 direction of adapter cavity, the air pressure in air cavity 420 close to 410 side of adapter cavity increases, this
When act on pressure of the piston ring 530 on that one end of adapter cavity 410 and be greater than and act on piston ring 530 far from adapter cavity
Pressure on 410 one end, and since the outer diameter of piston ring 530 is by being laterally away from adapter cavity 410 close to the one of adapter cavity 410
What side was successively decreased, i.e., the air pressure resultant force acted on piston ring 530 at this time can make 530 outer wall of piston ring and 420 inner wall of air cavity tight
Patch improves air-tightness of air pump during pumping gas；Conversely, when piston ring 530 is to far from the movement of 410 direction of adapter cavity, gas
Air pressure in chamber 420 far from 410 side of adapter cavity increases, and acts on piston ring 530 at this time far from that one end of adapter cavity 410
Pressure be greater than the pressure for acting on piston ring 530 on 410 one end of adapter cavity, and since the outer diameter of piston ring 530 is
Successively decreased by the side for being laterally away from adapter cavity 410 close to adapter cavity 410, i.e., acts on the gas on piston ring 530 at this time
Pressure force can make to generate gap between 420 inner wall of 530 outer wall of piston ring and air cavity for extraneous gas entrance, complete air inlet movement.
It so in pump gas process does not need that special air intake structure is arranged on cylinder body, saves limited space, Jin Erti in cylinder body
The amount of the compressed gas generated when high piston motion, to improve the gas supply efficiency of air pump.
External ring 520 structure annular in shape, eccentric 231 turning course of platform can stir external ring 520 and be subjected to displacement therewith, and
Piston ring 530 is always positioned in air cavity 420, and the scope of activities of the inner wall limitation piston ring 530 of air cavity 420 makes it only can edge
The inner wall of air cavity 420 does straight-line displacement, i.e. piston motion, and sequence of motion sees Fig. 3 to Fig. 5.
Fig. 7 and Fig. 8 is please referred to, further, in order to improve the service life of piston ring 530 and improve piston motion conveying
The efficiency of gas, piston ring 530 include fastening block 531 and deformation block 532, and fastening block 531 is placed on connecting rod 510, deformation block
532 are set on the outer wall of fastening block 531, and are bonded with the inner wall of air cavity 420, and fastening block 531 and deformation block 532 are integrated into
Type structure.Deformation block 532 is annular in shape, and the outer diameter of deformation block 532 is from one end close to adapter cavity 410 to far from adapter cavity
Successively decrease 410 one end.
Fig. 7 and Fig. 8 is please referred to, for connecting with connecting rod 510, the inner wall of deformation block 532 and air cavity 420 pastes fastening block 531
The seal degree for improving piston ring 530 and 420 inner wall of air cavity is closed, air cavity 420 is divided by compression section 421 by piston ring 530
And breeze way 422, wherein compression section 421 is connected to adapter cavity 410, when piston ring 530 is to close to the movement of the direction of adapter cavity 410
When, the volume of compression section 421 becomes smaller, and the air in compression section 421 is compressed, and pressure becomes larger, and is squeezed into adapter cavity 410
It is interior；When mobile to the direction far from adapter cavity 410 when piston ring 530, the volume of compression section 421 becomes larger, the gas in compression section 421
Buckling is small, and the air pressure of breeze way 422 at this time is greater than the air pressure in compression section 421, and the air of breeze way 422 enters compression section 421
It is interior, and compressed in piston motion next time, into adapter cavity 410.
Also referring to Fig. 3, Fig. 4 and Fig. 5, it should be noted that in piston ring 530 to the direction close to adapter cavity 410
When mobile, the air pressure in compression section 421 is greater than the air pressure in breeze way 422, i.e., acts on the gas on piston ring 530 at this time
The direction of pressure force is by being directed toward close to adapter cavity 410 far from adapter cavity 410, and since the outer diameter of deformation block 532 is by leaning on
What one end of nearly adapter cavity 410 was successively decreased to one end far from adapter cavity 410, the force action of air pressure at this time is leaned in deformation block 532
On the end face of nearly adapter cavity 410, deformation block 532 is promoted to open, so that deformation block 532 is bonded tighter with 420 inner wall of air cavity, protected
Holding compressed air makes seal degree between piston ring 530 and air cavity 420；In piston ring 530 to the direction far from adapter cavity 410
When mobile, the air pressure in compression section 421 is less than the air pressure in breeze way 422, i.e., acts on the gas on piston ring 530 at this time
The direction of pressure force is by being directed toward at the adapter cavity 410 far from adapter cavity 410, and since the outer diameter of deformation block 532 is by leaning on
What one end of nearly adapter cavity 410 was successively decreased to one end far from adapter cavity 410, i.e., deformation block is at round table-like, the resultant force of air pressure at this time
It acts on end face of the deformation block 532 far from adapter cavity 410, i.e., on the conical surface of rotary table, air pressure resultant force can be such that deformation block 532 sends out
Raw slight deformation, makes to form gap between 420 inner wall of 532 outer wall of deformation block and air cavity, air permeable gap enters compression section 421
In, it does not need to add special air inlet and check valve on cylinder body 400 in this way to provide air inlet approach, in order to make hand-held
The structure of electric air pump 10 is more compact.
Referring to Fig. 9, rotary track includes four quadrantal points specifically, eccentric 231 rotary track of platform is circle,
Far point 231a, the near point 231b nearest from cylinder body 400 and two deviation wave crest point 231c i.e. farthest from cylinder body 400, when inclined
When heart platform 231 is returned back at far point 231a, piston ring 530 is farthest from adapter cavity 410, when eccentric platform 231 returns back near point 231b
When place, piston ring 530 is nearest from adapter cavity 410, and in the central axis of above two state lower link 510 and air cavity 420
Mandrel line is overlapped；When eccentric platform 231, which returns back to, to be deviateed at wave crest point 231c, piston ring 530 is located at its piston motion spacing
Center position, and the offset of the central axis of the central axis of connecting rod 510 and air cavity 420 at this time is maximum, i.e. piston 500
The amplitude of oscillation is maximum, is connected between external ring 520 and eccentric platform 231 by bearing in the present invention, and bearing changes in 520 embedded at the external world,
And the bearing is nested with the eccentric platform 231, by the way that bearing is arranged, can effectively reduce the abrasion of external ring 520 with eccentric platform 231
Amount, specifically, the bearing is ball bearing, eccentric platform 231 is turned back to the piston deviateed when at wave crest point 231c on piston 500
Ring 530 is affected by it swing, and oscillating quantity promotes deformation block 532 to deform, and the pendulum for making up piston 500 is deformed by deformation block 532
Momentum makes piston ring 530 not generate gap with 420 inner wall of air cavity during to 410 gas transmission of adapter cavity, to guarantee compressed gas
The efficiency of body.
When piston ring 530 is displaced to the direction far from adapter cavity 410 in order to prevent, by the compressed air in adapter cavity 410
Extraction, hand electric air pump 10 further include check valve, and check valve is in adapter cavity 410.And check valve is located at adapter cavity
Between 410 and air cavity 420, check valve is for preventing the compressed air in adapter cavity 410 from blowing back into air cavity 420.
Referring to Fig. 1, further, for the ease of user's grip, shell 110 is provided with holding part 112 and work department
113, motor 210 is located in holding part 112, and piston 500 and cylinder body 400 are respectively positioned in work department 113, the axis of holding part 112
And the axis of work department 113 is mutually perpendicular to, i.e., holding part 112 and work department 113 form gun-shaped structure, improve user and hold hand
Hold the comfort level of formula electric air pump 10.
Referring to Fig. 1, different products is distinct to the requirement of air pressure during being inflated, such as to vapour
Air pressure in wheel tire is just much larger than balloon interior air pressure and needs hand electric that is, when being inflated to different products
Air pump 10 provides the compressed air of different pressure, that is, the ability for needing hand electric air pump 10 to have regulation air pressure, in order to full
The inflation requirements of sufficient different product, hand electric air pump 10 further include air pressure controlling component 700, the air pressure controlling component
700 include master control borad 710, display 720, control panel 730, conduction pipe 740 and baroceptor 750, the control panel
730 cover on the shell 110, and the display 720 is on the control panel 730, the baroceptor 750
It being placed in the shell 110, the conduction pipe 740 is set between the baroceptor 750 and the cylinder body 400, and
The baroceptor 750 is respectively communicated with the adapter cavity 410 and the baroceptor 750, i.e., the described baroceptor 750
For monitoring the air pressure in the adapter cavity 410, the motor 210, the driving plate 130, the baroceptor 750, institute
It states display 720 and the control panel 730 to be electrically connected with the master control borad 710, power supply 300 passes through 130 couples of masters of driving plate
Plate power supply is controlled, baroceptor 750 feeds back air pressure electric signal to master control borad 710, and the control panel 730 is used for master control borad
The operation electric signal of 710 transmission user's inputs, the master control borad 710 are used to be collected into the transmission of display 720 mutually powered-down
Signal, and speed-regulating signal is conveyed to motor 210 respectively.Connect adapter cavity 410 and baroceptor 750 by conduction pipe 740
Logical, wherein 410 air pressure inside of adapter cavity is the output pressure of hand electric air pump, baroceptor 750 and adapter cavity 410
Connection can directly measure 410 air pressure inside of adapter cavity, and the data detected are converted to electric signal feedback to master control borad 710
On, and be eventually displayed in display 720.When being inflated operation to different products, the setting of control panel 730 is first passed through
Aerobic pressure numerical value, its equipment fixed number value is transferred to master control borad 710 by control panel 730, and then controls the revolving speed of motor 210, from
And the air pressure size in adapter cavity 410 is controlled, to achieve the purpose that control hand electric air pump.
Referring to Fig. 1, master control borad 710 and baroceptor 750 are easily worn part, need to protect it, air pressure tune
Controlling component further includes protective cover 760, and snap ring is provided on the outer wall of the protective cover 760, offers mounting hole on shell 110,
Limit chamber is provided on the hole wall of the mounting hole, the protective cover 760 wears the mounting hole, and the snap ring is embedded at institute
It states in limit chamber, the baroceptor 750 and the PCB control panel 730 are placed in the protective cover 760, the control
Panel 730 processed covers on the protective cover 760, and the control panel 730 surrounds protection chamber with the protective cover 760, described
It is intracavitary that master control borad 710 and the baroceptor 750 are respectively positioned on the protection, i.e., is arranged inside hand electric air pump 10 only
Vertical chamber is dedicated for easily worn parts such as accommodating master control borad 710, baroceptors 750, it is possible to prevente effectively from these rapid wear portions
Part collides with when piston 500 is operated with easily worn part, and keeps the distribution of 110 inner body of shell more orderly, is convenient for
Carry out attended operation.
Specifically, being provided with multiple buttons on control panel 730, user passes through push-botton operation, input inflation parameter, example
Such as output pressure of hand electric air pump, aeration speed, after hand electric air pump 10 and product are connected, starting is filled
Gas, baroceptor 750 can be by the air pressure feedbacks to master control borad 710 in adapter cavity 410, and master control borad 710 is converted,
And it is presented on display 720 in digital form, wherein air pressure analog quantity is converted electric signal by baroceptor 750
Process mainly has the controller of baroceptor 750 to carry out, and baroceptor can be digital pressure on the market herein
Table, or the air pressure of no display function is popped one's head in, and air pressure electric signal is conveyed to master control borad 710, setting in master control borad 710
There is corresponding control program, converts display electric signal transmission to display 720 for air pressure electric signal, control panel 730 is main
For setting inflation parameter for user, since its control process is common knowledge in the industry, it is not repeated herein.
Hand electric air pump has characteristic that is small in size, being convenient for carrying, it is meant that filled compared with traditional air pump
When gas operation, the limitation of place and cable not will receive, no matter when and where, can all be inflated operation, but just due to it
The characteristic taken is when in use to provide the energy of inflation, the i.e. size of power supply capacity by the power supply being installed in air pump
The length of the continuous working period of hand electric air pump is determined, currently, the power supply of the electric air pump of hand-held on the market
It is integral type with air pump ontology, power supply is installed on the inside of air pump, when air pump electricity exhausts, needs to charge to it,
Air pump can not work at this time, to be charged finish such as need could carry out charging operations again, and since its power supply and air pump are one
Body formula, charging process has certain inconvenience because air pump itself has certain quality, when family socket setting position compared with
Gao Shi needs to be supported air pump, and otherwise charging connector can not individually bear the weight of air pump, cannot keep and socket pair
It connects, if in addition onboard charging, air pump itself has certain volume, can occupy more space, and especially car, which has, multiplies
When objective, the comfort level that passenger takes is reduced, to solve the above-mentioned problems, the power supply 300 includes battery pack 310, slide plate mould group
320 and battery case 330,
Referring to Fig. 6, the battery case 330 includes upper casing 331, lower casing 332, elastic component and limit button 333, the electricity
Pond group 310 is placed in the lower casing 332, the upper casing 331 be provide with on the lower casing 332；
Referring to Fig. 6, the upper casing 331 offers limit chamber 331a, side of the upper casing 331 far from the lower casing 332
Offered on face limit hole 331b and pressing hole 331c, the limit hole 331b and pressing hole 331c with the limit chamber 331a
Connection, and interval is provided between the pressing hole 331c and the limit hole 331b；
Referring to Fig. 6, the limit button 333 is placed in the limit chamber 331a, the limit button 333 includes pressing
Splenium 333a, gear part 333b and interconnecting piece 333c, the press section 333a and the gear part 333b are located at interconnecting piece
On the both ends of 333c, and the interconnecting piece 333c is located in the limit chamber 331a, and the press section 333a wears the pressing
Hole 331c, the gear part 333b wear the limit hole 331b；
Referring to Fig. 6, the elastic component is placed in the limit chamber 331a, and the both ends of the elastic component respectively with institute
The bottom surface for stating interconnecting piece 333c and the limit chamber 331a offsets, and the elastic component is for pushing the interconnecting piece 333c to remote
The direction of bottom surface from the limit chamber 331a is mobile；
Referring to Fig. 6, offering guiding chute 331d on the lateral wall of the upper casing 331, it is provided on the shell 110
Buckle 114 and locating slot 115, the buckle 114 are located in the guiding chute 331d, the gear part 333b be used for it is described
The inner sidewall of locating slot 115 abuts；
Referring to Fig. 6, the slide plate mould group 320 includes plug-in strip 321 and copper binding post 322, the plug-in strip 321 is set to
In the driving plate 130, and the plug-in strip 321 is electrically connected with the motor 210 and the air pressure controlling component 700 respectively, institute
It states copper binding post 322 to be set on the upper casing 331, and the copper binding post 322 is electrically connected with the battery pack 310,
The plug-in strip 321 with the copper binding post 322 for being bonded.
Referring to Fig. 6, buckle 114 is first slid into guiding chute 331d when power supply 300 is connect with shell 110
When buckle 114 on upper casing 331 is embedded in the guiding chute 331d, buckle 114 can be along guiding chute 331d
Inner wall sliding makes the locating slot 115 of upper casing 331 constantly close to the gear part 333b of limit button 333, until gear part 333b is embedding
Enter locating slot 115, buckle 114 can not continue to slide on guiding chute 331d, and power supply 300 is installed in place at this time, plug-in strip 321 with
Copper binding post 322 is bonded, i.e., battery pack 310 in shell 100 motor 210 and the air pressure controlling component 700 be connected to.
Referring to Fig. 6, needing replacing backup power source 300, at this time when the electricity of the battery pack 310 in power supply 300 exhausts
The press section 333a of limit button 333 need to be only pressed, elastic component, which is pressurized, to be shunk, and limit button 333 sinks at this time, gear part 333b
It sinks in limit chamber 331a, applying thrust skids off power supply 300 along the extending direction of guiding chute 331d, that is, removes electricity and exhaust
Power supply 300, backup power source 300 is bonded with the holding part of shell 110, then along guiding chute 331d extending direction slide, directly
Enter 115 inside of locating slot under elastic component effect to gear part 333b, individually the power supply 300 replaced is filled
It is electrically operated, it charges without entire hand electric air pump 10 is moved to charge position, hand electric can be made
Air pump 10 is suitable for the operating condition of continuous work, can also save more spaces, and it is more convenient to charge, simultaneously because power supply 300 and outer
Shell 110 is separate structure, and the volume of power supply 300 can not be limited by shell 110, can accommodate bigger, the more sufficient electricity of electricity
Pond group, while 110 inner space of shell is saved, it can be equipped with more powerful motor 210, improve the defeated of hand electric air pump 10
Power out.
Further, when 10 pairs of different products of practical hand electric air pump are inflated, it can encounter and need replacing
The case where nozzle, such as when being inflated to automobile tyre inflation and to basketball, same nozzle cannot be used, needed replacing at this time
Corresponding nozzle can also make hand electric air pump 10 in communication, inflation be realized, for the ease of replacing and storing nozzle, battery
Box 330 further includes nozzle 334 and slip lid 335, and the lower casing 332 offers accommodating chamber, and the nozzle 334 is placed in
In the accommodating chamber, the slip lid 335 is for closing the accommodating chamber.
Above-mentioned hand electric air pump 10 by setting air pump ontology 100, transmission mould group 200, power supply 300, cylinder body 400 and
Piston 500, transmission mould group 200 are used to that piston 500 to be driven to carry out piston motion in cylinder body 400 to inflate exterior part, and
And the structure of piston 500 is adjusted, reduce the amplitude of oscillation during piston motion, to reduce in piston 500 and cylinder body 400
The abrasion loss of wall, and then improve the service life of air pump.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of hand electric air pump characterized by comprising
Air pump ontology, the air pump ontology include shell and copperhead, and the shell offers gas outlet, and the copperhead is set to institute
It states on the inner sidewall of shell, and the copperhead is connected to the gas outlet；
It is driven mould group, the transmission mould group includes motor, driving gear and reduction gearing, and the motor is placed in the shell
Interior, the driving gear is installed on the output shaft of the motor, and the reduction gearing is engaged with the driving gear, described to subtract
Eccentric platform is provided on fast gear；
Power supply, the power supply are set on the one end of the shell far from the gas outlet；
Driving plate, the driving plate are installed on the shell, and the driving plate is electric with the motor and the power supply respectively
Connection；
Cylinder body, the cylinder body offer adapter cavity and air cavity, and the air cavity is connected to the adapter cavity, the copperhead and the cylinder
The outer wall of body connects, and the copperhead is connected to the adapter cavity；
Piston, the piston include connecting rod, external ring and piston ring, and the external ring covers on the eccentric platform, the work
Plug ring is placed on the one end of the connecting rod far from the external ring, and the piston ring is located in the air cavity, and the piston
The outer wall of ring is bonded with the inner wall of the air cavity, and the outer diameter of the piston ring is described by being laterally away from close to the one of the adapter cavity
The side of adapter cavity is successively decreased, and motor rotation is for driving the piston ring to move back and forth along the air cavity inner wall.
2. hand electric air pump according to claim 1, which is characterized in that the bias platform is cylindrical structure.
3. hand electric air pump according to claim 2, which is characterized in that the internal diameter of the external ring is greater than described inclined
The diameter of heart platform.
4. hand electric air pump according to claim 1, which is characterized in that the piston ring includes fastening block and deformation
Block, the fastening block are placed on the connecting rod, and the deformation block is set on the outer wall of the fastening block, and with the air cavity
Inner wall fitting.
5. hand electric air pump according to claim 4, which is characterized in that the deformation block is annular in shape and described
The outer diameter of deformation block successively decreases from one end close to the adapter cavity to one end far from the adapter cavity.
6. hand electric air pump according to claim 1, which is characterized in that be equipped with bearing in the external ring.
7. hand electric air pump according to claim 1, which is characterized in that further include check valve, the check valve is embedding
It is placed in the adapter cavity.
8. hand electric air pump according to claim 1, which is characterized in that the shell is provided with holding part and work
Portion, the motor are located in the holding part, and the piston and the cylinder body are respectively positioned in the work department.
9. hand electric air pump according to claim 1, which is characterized in that the axis of the holding part and the work
The axis in portion is mutually perpendicular to.
10. hand electric air pump according to claim 1, which is characterized in that the driving gear and the reducing gear
Wheel is spur gear.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910424206.XA CN110067732B (en) | 2019-05-21 | 2019-05-21 | Hand-held electric air pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910424206.XA CN110067732B (en) | 2019-05-21 | 2019-05-21 | Hand-held electric air pump |
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| Publication Number | Publication Date |
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| CN110067732A true CN110067732A (en) | 2019-07-30 |
| CN110067732B CN110067732B (en) | 2024-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910424206.XA Active CN110067732B (en) | 2019-05-21 | 2019-05-21 | Hand-held electric air pump |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110732125A (en) * | 2019-10-30 | 2020-01-31 | 杭州欣奇前科技有限公司 | aerating device for ensuring constant aerating content based on intermittent reciprocating motion |
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| US5395216A (en) * | 1993-02-23 | 1995-03-07 | Lin; Yi-Hsien | Portable car-used oil extracting and tire inflation apparatus with separately disposed oil and air pumps |
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| CN110732125A (en) * | 2019-10-30 | 2020-01-31 | 杭州欣奇前科技有限公司 | aerating device for ensuring constant aerating content based on intermittent reciprocating motion |
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| Publication number | Publication date |
|---|---|
| CN110067732B (en) | 2024-05-17 |
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