CN206943089U - Mini-size inflation pump shell structure and Mini-size inflation pump - Google Patents

Abstract

The utility model provides a kind of Mini-size inflation pump shell structure and Mini-size inflation pump, belongs to aerating device field, including：The pump case and cover plate of detachable assembled, and dividing plate.Wherein, hollow inner chamber is provided with pump case, air inlet is located at the upper surface of pump case, and located at the side end face of pump case, dividing plate is located in inner chamber and inner chamber is separated into the impeller storehouse on top and the control storehouse of bottom air outlet.The Mini-size inflation pump shell structure and Mini-size inflation pump obtained by above-mentioned design, pass through the dividing plate configured in pump case, inner chamber is separated into impeller storehouse and control storehouse, it is easy to different interior fittings to be assembled in the upper and lower end face of dividing plate respectively, it is easy to assembly, overall structure small volume and less weight, it is easy to carry and use.

Description

Mini-size inflation pump shell structure and Mini-size inflation pump

Technical field

Aerating device field is the utility model is related to, in particular to a kind of Mini-size inflation pump shell structure and miniature Inflator pump.

Background technology

Inflator pump is called inflating pump, inflator, is operating come the inflatable tool of work by motor.Inflator pump according to The different of way can be that many different products are inflated in life, such as travel standing inflatable packer, air pillow；It is also used as Cleaner is used, such as the debris in keyboard is cleared up.Existing many air pump structures are huge, inconvenient to carry, use Also bother.

A kind of Mini-size inflation pump is provided, the structure formed of inflator pump is easy to carry about with one, is easy to use, this is micro- for improving The scope of application of type inflator pump has important realistic meaning.

Although the structure formed inflator pump of part also occurs in the market, study and find through inventor, it is existing Most miniaturizations inflator pumps, although structure formed, assembling is complicated, is unfavorable for disassembling.

Utility model content

The purpose of this utility model is the provision of a kind of Mini-size inflation pump shell structure, makes its interior fittings assembling side Just.

Another object of the present utility model is to provide a kind of Mini-size inflation pump, makes its compact structure, carrying portable.

What Mini-size inflation pump shell structure of the present utility model was realized in：

Mini-size inflation pump shell structure, including：

Pump case, interior to be provided with hollow inner chamber, the upper surface of pump case is provided with an air inlet, and the side end face of pump case is provided with One air outlet, and pump case are additionally provided with an opening for being suitable to assembling inner part；

Dividing plate, in inner chamber and suitable for inner chamber is separated into impeller storehouse and control storehouse；And

Cover plate, removably it is assemblied in opening.

Further, dividing plate is provided with a through hole.

What Mini-size inflation pump of the present utility model was realized in：

Mini-size inflation pump, including Mini-size inflation pump shell structure, and

Motor, in control storehouse and the output shaft of motor is adapted for insertion into impeller storehouse；

Impeller assembly, it is connected in impeller storehouse, with the output shaft of motor and is rotated suitable for being controlled by the output shaft of motor；

Control board, rotated in impeller storehouse and suitable for controlled motor work and then impeller component；

Power supply unit, electrically connected with control board.

It is further preferred that it is also configured with enclosing located at impeller assembly periphery in impeller storehouse and is connected with dividing plate upper surface One retainer plate；

The upper surface of impeller assembly is less than the upper surface of retainer plate；The edge of the upper surface of retainer plate is resisted against pump case Internal chamber wall；And

The side end face of retainer plate offers an air outlet for being suitable to overlap with air outlet.

Further, control board includes single-chip microcomputer and the current foldback circuit with monolithic mechatronics.

Further alternative, current foldback circuit includes protection chip, is connected to the control pin and basis of protection chip Protection chip control be turned on or off where protect branch road switching tube；And

Current foldback circuit also includes being series at protection branch road jointly with switching tube, and both ends are connected to the measurement of protection chip The sensitive resistance of pin.

Further, Mini-size inflation pump also includes being used for the switch with monolithic mechatronics for opening, closing motor work Button.

Further, power supply unit uses rechargeable battery；Rechargeable battery electrically connects with current foldback circuit.

Further, rechargeable battery is charged by the USB input interfaces being configured on pump case internal chamber wall；And

Control board is also included located at the input voltage switching circuit between USB input interfaces and rechargeable battery.

Further, impeller assembly includes a rotary shaft and is uniformly distributed at least six blades of rotary shaft periphery；

Blade is vertically connected at rotary shaft；And

Blade includes integrally formed rectangular portion and the isosceles trapezoid portion above rectangular portion.

The beneficial effects of the utility model are：The Mini-size inflation pump shell structure that the utility model is obtained by above-mentioned design And Mini-size inflation pump, by the dividing plate configured in pump case, inner chamber is separated into wheel storehouse and control storehouse, is easy to different interior Portion's accessory is assembled in the upper and lower end face of dividing plate respectively, if realize dividing plate and pump case assembling can complete it is overall micro- The assembling of type inflator pump, improve the convenience of assembling.Assembling vestige is not present in shell structure in appearance so that beautiful outline form See, overall structure small volume and less weight is easy to carry and use.

Further, by the current foldback circuit of setting, when the electric current of main circuit exceedes rated current, excessively stream is protected Protection circuit is realized and automatically powered off, and to protect Mini-size inflation pump not to be burned, improves the service life of Mini-size inflation pump.

Brief description of the drawings

, below will be to required in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment The accompanying drawing used is briefly described, it will be appreciated that the following drawings illustrate only some embodiments of the present utility model, therefore The restriction to scope is not construed as, for those of ordinary skill in the art, is not paying the premise of creative work Under, other related accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is that the first axle for the Mini-size inflation pump shell structure that the utility model embodiment 1 provides regards structural representation；

Fig. 2 is that the second axle of the Mini-size inflation pump shell structure that the utility model embodiment 1 provides regards structural representation；

Fig. 3 is the positive structure diagram for the Mini-size inflation pump shell structure that the utility model embodiment 1 provides；

Fig. 4 is that the axle for the dividing plate that the utility model embodiment 2 provides regards structural representation；

Fig. 5 is the positive structure diagram for the dividing plate that the utility model embodiment 2 provides；

Fig. 6 is that the dividing plate that the utility model embodiment 2 provides is provided with the positive structure diagram after motor；

Fig. 7 is the structural representation for the current foldback circuit that the utility model embodiment 2 provides；

Fig. 8 is the structural representation for the Mini-size inflation pump that the utility model embodiment 2 provides.

Icon：110- pump cases；111- cover plates；112- air inlets；115- gas outlets；117- inner chambers；119- buckling grooves； 120- dividing plates；122- retainer plates；123- air outlets；125- through holes；127- screws；130- single-chip microcomputers；132- single-chip microcomputer mounting posts； 133- grooves；137- shift knobs；139-USB input interfaces；140- rotary shafts；142- blades；150- motors；160- is adapted to Part；162- adapter heads；U1- protects chip；U2- switching tubes；RS- sensitive resistances；R1- resistance；R2- resistance；R3- resistance；C1- Electric capacity；C2A- electric capacity；C2B- electric capacity；C3- electric capacity；C4- electric capacity.

Embodiment

To make the purpose, technical scheme and advantage of the utility model embodiment clearer, below in conjunction with this practicality Accompanying drawing in new embodiment, the technical scheme in the utility model embodiment is clearly and completely described, shown So, described embodiment is a part of embodiment of the utility model, rather than whole embodiments.Based on this practicality Embodiment in new, those of ordinary skill in the art are obtained every other under the premise of creative work is not made Embodiment, belong to the scope of the utility model protection.

Therefore, below the detailed description of the embodiment of the present utility model to providing in the accompanying drawings be not intended to limit will The scope of the utility model of protection is sought, but is merely representative of selected embodiment of the present utility model.Based on the utility model In embodiment, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made Mode, belong to the scope of the utility model protection.

In description of the present utility model, it is to be understood that the term of indicating position or position relationship is based on accompanying drawing Shown orientation or position relationship, it is for only for ease of description the utility model and simplifies description, rather than indicates or imply institute The equipment or element of finger must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this reality With new limitation.

In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. term should be interpreted broadly, for example, it may be fixedly connected or be detachably connected, or integrally；Can be Mechanically connect or electrically connect；Can be joined directly together, can also be indirectly connected by intermediary, can be two The connection of element internal or the interaction relationship of two elements.For the ordinary skill in the art, can basis Concrete condition understands concrete meaning of the above-mentioned term in the utility model.

, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship be based on orientation shown in the drawings or position relationship, or The utility model product using when the orientation usually put or position relationship, be for only for ease of description the utility model and letter Change description, rather than instruction or imply signified device or element must have specific orientation, with specific azimuth configuration and Operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second ", " the 3rd " etc. are only used for area Divide description, and it is not intended that instruction or hint relative importance.

In addition, the term such as term " level ", " vertical ", " pendency " is not offered as requiring part abswolute level or pendency, and It is to be slightly tilted.Such as " level " only refers to that its direction is more horizontal with respect to for " vertical ", is not to represent the structure Must be fully horizontal, but can be slightly tilted.

In the utility model, unless otherwise clearly defined and limited, fisrt feature is on or below second feature Can directly it be contacted including the first and second features, it is not directly to contact but pass through it that can also include the first and second features Between other characterisation contact.Moreover, fisrt feature is on second feature, top and above include fisrt feature the Directly over two features and oblique upper, or be merely representative of fisrt feature level height and be higher than second feature.Fisrt feature is special second Under sign, lower section and fisrt feature included below are immediately below second feature and obliquely downward, or are merely representative of fisrt feature level Highly it is less than second feature.

Embodiment 1：

A kind of Mini-size inflation pump shell structure is present embodiments provided, as depicted in figs. 1 and 2, including：Detachable assembled Pump case 110 and cover plate 111, air inlet 112, gas outlet 115 and dividing plate 120.Wherein, it is provided with pump case 110 hollow Inner chamber 117, air inlet 112 are located at the upper surface of pump case 110, and air outlet is located at the side end face of pump case 110,120, dividing plate Impeller storehouse and control storehouse are separated into inner chamber 117 and by inner chamber 117, air inlet 112 and gas outlet 115 are all passed through with impeller storehouse It is logical, form flow channel.Pump case 110 is additionally provided with an opening for being suitable to assembling inner part, and opening is correspondingly arranged on removably The cover plate 111 of assembling.Opening may be disposed at the side end face of pump case 110, may also be arranged on the bottom face of pump case 110, this reality Apply the bottom face that opening is arranged at pump case 110 by the Mini-size inflation pump shell structure in example.

With reference to figure 8, the moulding of pump case 110 can use such as, but not limited to cylinder or square column figure modelling.

Pump case 110 is connected with the detachable assembled of cover plate 111 using such as, but not limited to plug-in, specifically in pump The bottom face edge of housing 110 sets the buckling groove 119 for the Access Division (not shown) grafting being suitable on cover plate 111, realizes pump The assembly and disassembly of housing 110 and cover plate 111.

With reference to figure 4 and Fig. 5, the wall of inner chamber 117 of pump case 110 is provided with the positioning for being used for that assembling positioning to be carried out to dividing plate 120 Hole post (not shown), the screw 127 of the Position Design by corresponding to positioning hole collumn in dividing plate 120, is inserted using screw Realized in screw 127 and corresponding positioning hole collumn and dividing plate 120 is fixedly installed in pump case 110.

With reference to figure 4 and Fig. 5, the upper and lower of dividing plate 120 is assembled in for the ease of other interior fittings of this Mini-size inflation pump End face, dividing plate 120 are provided with a through hole 125.

The Mini-size inflation pump shell structure of the present embodiment, by a dividing plate 120 of the configuration in pump case 110, by inner chamber 117 are separated into impeller storehouse and control storehouse, are easy to different interior fittings to be assembled in the upper and lower end face of dividing plate 120 respectively, as long as that is, The assembling of overall Mini-size inflation pump can be completed by realizing the assembling of dividing plate 120 and pump case 110, improve the convenient of assembling Property.Assembling vestige is not present in shell structure in appearance so that good appearance, overall structure small volume and less weight, is easy to carry and makes With.

Embodiment 2：

A kind of Mini-size inflation pump is present embodiments provided, as shown in Fig. 5 to Fig. 8, with reference to Fig. 3, the Mini-size inflation pump Including the Mini-size inflation pump shell structure in embodiment 1, and motor 150, impeller assembly, control board and power supply unit. Wherein, motor 150, in the control storehouse of Mini-size inflation pump shell structure and through hole that its output shaft is set from dividing plate 120 Inserted at 125 in impeller storehouse.Impeller assembly, it is connected in impeller storehouse, with the output shaft of motor 150 and suitable for by motor 150 Output shaft control rotate.Control board, worked in impeller storehouse and suitable for controlled motor 150, i.e. control board control Motor 150 processed works and then impeller component rotates.Power supply unit, electrically connected with control board.

Control board includes the single-chip microcomputer 130 being integrated in control board and the excessively stream electrically connected with single-chip microcomputer 130 Protection circuit.By the current foldback circuit of setting, when the electric current of main circuit exceedes rated current, current foldback circuit is certainly Dynamic circuit breaker electricity, to protect Mini-size inflation pump not to be burned.

Mini-size inflation pump also includes being used for the shift knob electrically connected with single-chip microcomputer 130 for opening, closing the work of motor 150 137.Specifically, the cavity wall of pump case 110 offers the switch hole suitable for pressing shift knob 137, and in order to prevent that debris is grey Dirt enters pump case 110, and silica gel dust plug (not shown) is configured with switch hole.

Such as Fig. 6, reference picture 4, for the ease of installing single-chip microcomputer 130, installed in the lower surface of dividing plate 120 provided with a single-chip microcomputer Post 132, realize and single-chip microcomputer 130 is fixed in control storehouse.And a groove 133 is configured in single-chip microcomputer mounting post 132 make out Close button 137 and pass single-chip microcomputer mounting post 132, the groove 133 that above-mentioned switch hole corresponds in single-chip microcomputer mounting post 132 is set Put, consequently facilitating shift knob 137 is pressed in operation.

With reference to figure 4, be also configured with enclosing in impeller storehouse it is located at impeller assembly periphery and be connected with the upper surface of dividing plate 120 one Retainer plate 122.The side end face of retainer plate 122 offer one be suitable to air outlet overlap joint air outlet 123, retainer plate 122 it is upper The edge of end face is resisted against the wall of inner chamber 117 of pump case 110.The cooperation of retainer plate 122 and air outlet 123 improves wind from air-out Polymerism of the mouth 123 toward the wind-force of air outlet.The upper surface of impeller assembly is less than the upper surface of retainer plate 122, is easy to impeller sets The normal operation of part.

Optionally, as shown in fig. 7, current foldback circuit includes protection chip U1, it is connected to protection chip U1 control pipe The switching tube U2 of pin and the protection branch road according to where being turned on or off protection chip U1 control.And current foldback circuit Also include being series at protection branch road jointly with switching tube U2, both ends are connected to the sensitive resistance of protection chip U1 measurement pin RS, protection chip U1 produce control signal according to measurement signal.

It will be understood by those skilled in the art that：Protect chip U1 not only can be by measuring voltage, calculating current is simultaneously Compare threshold value to produce control signal, control signal can be produced in a manner of the physical signallings such as measurement temperature.It is that is, sensitive Resistance RS is one kind or more in piezo-resistance, thermistor, photo resistance, humistor, mistor and gas sensing resistance Kind.Physical signalling corresponding to protection chip U1 pin measurement simultaneously produces control signal when reaching predetermined threshold.The present embodiment Using sensitive resistance RS as piezo-resistance, by measuring voltage, compare after calculating current exemplified by threshold value produces control signal and said It is bright.By the sensitive resistance RS of setting, strengthen the filter effect of current foldback circuit, reduce space loss, while reach Overcurrent protection threshold value is accurate, and security is good, the technique effect of power source life length.

Protection chip U1 measurement pin includes pin VM and pin VSS, and sensitivity is connected to after pin VM series resistances R2 Resistance RS pin 1 and switching tube U2 pin S2 and pin S2 ', pin VSS are connected to sensitive resistance RS pin 2 and port B；Protection chip U1 measurement pin includes pin DO and pin CO, and pin DO is connected to switching tube U2 pin G2, pin CO It is connected to switching tube U2 pin G1.

Current foldback circuit also includes resistance R1, electric capacity C1, electric capacity C2A, electric capacity C2B, electric capacity C3, electric capacity C4 and resistance R3.Wherein, resistance R1 pin 1 is connected to port B+, port P+ and electric capacity C4 pin 1, and pin 2 is connected to electric capacity C1 pipe The pin VDD of pin 1, protection chip U1；Switching tube U2 pipe is connected to after electric capacity C1 the series capacitance C2A of pin 2, electric capacity C2B Pin S1, pin S1 ', electric capacity C3 pin 2, resistance R3 pin 2 and port P；Connected after the electric capacity C3 series capacitance C4 of pin 1 In port B+, resistance R1 pin 1 and port P+；Resistance R3 pin 1 is connected to port NTC.

Switching tube U2 is managed using such as, but not limited to MOSFET.

Current foldback circuit is integrated on the circuit board being arranged in control storehouse, and corresponding power is the power supply of the present embodiment Unit.

Power supply unit in the present embodiment uses rechargeable battery, and its rated voltage is set as direct current 3.7V.This can fill storage Battery electrically connects with current foldback circuit.Rechargeable battery is connect by the USB inputs being configured on the wall of 110 inner chamber of pump case 117 Mouth 139 is charged.

Control board also includes being located at being integrated in control board between USB input interfaces 139 and rechargeable battery On input voltage switching circuit.The rated voltage of USB input interfaces 139 is 5V, and 5V mains chargers are most common mobile phone electricity Source charger, rechargeable battery can be charged whenever and wherever possible, reduce the limitation of charger selection.Pass through the input of setting Voltage conversion circuit, the input voltage switching circuit are mainly made up of converter, and converter is used for the 5V voltages of input, conversion Exported into 3.7V.

Specifically, in order to ensure meet the needs of using, the rechargeable battery in the present embodiment uses poly-lithium battery, And in order to ensure electricity demand and supply, two pieces of poly-lithium batteries are preferably arranged to, during actual assembled, will directly can be gathered Compound lithium battery is bonded on the wall of inner chamber 117 of pump case 110, can also be consolidated by configuring lithium battery in the lower surface of dividing plate 120 Fixed board, realize and poly-lithium battery is fixed in the overall structure of dividing plate 120.

Such as Fig. 5, impeller assembly includes a rotary shaft 140 and is uniformly distributed at least six blades of the periphery of rotary shaft 140 142, it is optional to be arranged to six or eight, the quantity of specific blade 142 can be set according to the size of actual Mini-size inflation pump. Blade 142 is vertically connected at rotary shaft 140, and mode connected vertically is easy to increase the air quantity entered from air inlet.And blade 142 include integrally formed rectangular portion and the isosceles trapezoid portion above rectangular portion.The bottom side portion and rectangle in isosceles trapezoid portion Portion connects, i.e. the combination of the waist structure in isosceles trapezoid portion and rectangular portion further increases the revolving force of wind, so as to improve The air quantity of air outlet.

Such as Fig. 3, in order that Mini-size inflation pump of the present utility model needs suitable for more products, it is provided with air outlet Adapter 160 with multiple different-diameter adapter heads 162.

, can be in control storehouse pair in order to when Mini-size inflation pump is for a long time in use, the heat that motor 150 distributes can exclude in time The wall of inner chamber 117 for the pump case 110 answered is provided with some radiating groove (not shown)s.

The assembling process of Mini-size inflation pump in the present embodiment is as follows：Motor 150 is installed on to the lower surface of dividing plate 120, Motor 150 is fixed using such as, but not limited to mode connects for screw, and makes output shaft the leading to through dividing plate 120 of motor 150 Hole 125.The output shaft part that the rotary shaft 140 of impeller assembly is penetrated to impeller storehouse with motor 150 again is fixedly connected, and makes motor The rotary shaft 140 of 150 output shaft impeller component rotates.Control board is fixed in single-chip microcomputer mounting post 132 again. Above-mentioned steps are completed, dividing plate 120 is inserted in the inner chamber 117 of pump case 110, is provided with by the wall of inner chamber 117 of pump case 110 For carrying out the positioning hole collumn of assembling positioning to dividing plate 120, dividing plate 120 is fixedly installed in by pump using such as, but not limited to screw In housing 110.Polymerization lithium battery is such as, but not limited into double faced adhesive tape by bonding piece again makes polymerization lithium battery be fixed on pump case On 110 wall of inner chamber 117.Finally cover plate 111 is covered in the lower surface of pump case 110, you can complete overall Miniature inflatable The installation of pump.

Preferred embodiment of the present utility model is these are only, is not limited to the utility model, for ability For the technical staff in domain, the utility model can have various modifications and variations.It is all the spirit and principles of the utility model it It is interior, any modification, equivalent substitution and improvements made etc., it should be included within the scope of protection of the utility model.

Claims (10)

1. A kind of 1. Mini-size inflation pump shell structure, it is characterised in that including：

   Pump case, interior to be provided with hollow inner chamber, the upper surface of the pump case is provided with an air inlet, the side end face of the pump case An opening for being suitable to assembling inner part is additionally provided with provided with an air outlet, and the pump case；

   Dividing plate, in the inner chamber and suitable for the inner chamber is separated into impeller storehouse and control storehouse；And

   Cover plate, removably it is assemblied in the opening.
2. 2. Mini-size inflation pump shell structure according to claim 1, it is characterised in that the dividing plate is provided with a through hole.
3. 3. a kind of Mini-size inflation pump, it is characterised in that including the Miniature inflatable pump case as described in any one of claim 1 or 2 Structure, and

   Motor, in the control storehouse and the output shaft of the motor is adapted for insertion into the impeller storehouse；

   Impeller assembly, it is connected in the impeller storehouse, with the output shaft of the motor and suitable for the output shaft by the motor Control rotates；

   Control board, in the impeller storehouse and suitable for controlling the motor to work and then driving the impeller assembly to turn It is dynamic；

   Power supply unit, electrically connected with the control board.
4. 4. Mini-size inflation pump according to claim 3, it is characterised in that be also configured with enclosing located at described in the impeller storehouse Impeller assembly periphery and the retainer plate that is connected with the dividing plate upper surface；

   The upper surface of the impeller assembly is less than the upper surface of the retainer plate；The edge of the upper surface of the retainer plate is resisted against The internal chamber wall of the pump case；And

   The side end face of the retainer plate offers an air outlet for being suitable to overlap with the air outlet.
5. 5. Mini-size inflation pump according to claim 3, it is characterised in that the control board include single-chip microcomputer and with institute State the current foldback circuit of monolithic mechatronics.
6. 6. Mini-size inflation pump according to claim 5, it is characterised in that the current foldback circuit includes protection chip, It is connected to the control pin of the protection chip and the protection branch road according to where being turned on or off the control of the protection chip Switching tube；And

   The current foldback circuit also includes being series at the protection branch road jointly with the switching tube, and both ends are connected to the guarantor Protect the sensitive resistance of the measurement pin of chip.
7. 7. according to the Mini-size inflation pump described in any one of claim 5 or 6, it is characterised in that the Mini-size inflation pump also includes For opening, closing the shift knob with the monolithic mechatronics of the motor work.
8. 8. Mini-size inflation pump according to claim 7, it is characterised in that said supply unit uses rechargeable battery；Institute Rechargeable battery is stated to electrically connect with the current foldback circuit.
9. 9. Mini-size inflation pump according to claim 8, it is characterised in that the rechargeable battery is by being configured at the pump USB input interfaces on housing cavity wall are charged；And

   The control board is also included located at the input voltage conversion between the USB input interfaces and the rechargeable battery Circuit.
10. 10. Mini-size inflation pump according to claim 3, it is characterised in that the impeller assembly is including a rotary shaft and Even at least six blades for being distributed in the rotary shaft periphery；

    The blade is vertically connected at the rotary shaft；And

    The blade includes integrally formed rectangular portion and the isosceles trapezoid portion above the rectangular portion.