CN108131308B - Multi-air-chamber electric inflation air pump - Google Patents
Multi-air-chamber electric inflation air pump Download PDFInfo
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- CN108131308B CN108131308B CN201810050742.3A CN201810050742A CN108131308B CN 108131308 B CN108131308 B CN 108131308B CN 201810050742 A CN201810050742 A CN 201810050742A CN 108131308 B CN108131308 B CN 108131308B
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- Prior art keywords
- air
- outlet
- air inlet
- passage switching
- built
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
- F04D25/084—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation hand fans
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
- A47C27/08—Fluid mattresses or cushions
- A47C27/081—Fluid mattresses or cushions of pneumatic type
- A47C27/082—Fluid mattresses or cushions of pneumatic type with non-manual inflation, e.g. with electric pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/403—Casings; Connections of working fluid especially adapted for elastic fluid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4226—Fan casings
- F04D29/4246—Fan casings comprising more than one outlet
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Multiple-Way Valves (AREA)
Abstract
The application discloses a multi-air-chamber electric inflation air pump, which comprises a shell, wherein an exposed air inlet and an exposed air outlet and a built-in air inlet and outlet are arranged on the shell, a gas collecting cavity is arranged in the shell, the gas collecting cavity is communicated with the built-in air inlet and outlet, and the gas collecting cavity air inlet and outlet are arranged on the gas collecting cavity; an air suction mechanism is arranged in the shell, and a fan blade of the air suction mechanism is arranged in a fan blade accommodating cavity provided with an air inlet and an air outlet; an air passage switching mechanism is arranged close to the fan blade accommodating cavity, and a knob mechanism is arranged on the control air passage switching mechanism. When the air inlet of the air passage switching mechanism is communicated with the air outlet of the fan blade accommodating cavity, the air outlet of the air passage switching mechanism is communicated with the air inlet and outlet of the air collecting accommodating cavity, and the air inflation pump is in an inflation state; when the air inlet of the air passage switching mechanism is not communicated with the air outlet of the fan blade containing cavity, the air outlet of the air passage switching mechanism is communicated with the air inlet and outlet of the air collecting containing cavity, and the air inflation pump is in an air leakage state. The application discloses a multi-air-chamber controlled inflation air pump, realizes the inflation and the deflation of a plurality of chambers.
Description
Technical Field
The application relates to the technical field of inflation air pumps, in particular to an electric inflation air pump with multiple air chambers.
Background
The inflation air pump is used for being matched with an inflation product to realize inflation of the inflation product. Some large-scale inflatable products can be fixed with the inflatable air pump, are equipped with the air inlet on the inflatable air pump, when inflating, the air inlet is opened, and the inflatable air pump can be to inflating the inner chamber of inflatable product and charge gas, after the inflation is accomplished, the air inlet seals, prevents that the gas in the inflatable product from leaking outward.
Disclosure of Invention
Therefore, the invention aims to overcome the defects of the prior art and provide the multi-air-chamber electric inflation air pump which can be applied to inflation of a plurality of cavities.
In order to solve the technical problems, the invention adopts the following scheme:
the multi-air-chamber electric inflating air pump comprises a shell, wherein an exposed air inlet and an exposed air outlet and a built-in air inlet and outlet are formed in the shell, a gas collecting cavity is formed in the shell, the gas collecting cavity is communicated with the built-in air inlet and outlet, and the air inlet and the air outlet of the gas collecting cavity are formed in the gas collecting cavity;
an air suction mechanism is arranged in the shell, and a fan blade of the air suction mechanism is arranged in a fan blade accommodating cavity provided with an air inlet and an air outlet;
the air channel switching mechanism is arranged close to the fan blade accommodating cavity and is provided with an air inlet and an air outlet; the rotary knob mechanism is connected with the air passage switching mechanism in an action manner and comprises at least one first rotary knob mechanism and at least one second rotary knob mechanism which can independently control the displacement of the air passage switching mechanism; the first knob mechanism and the second knob mechanism can respectively control the air inlet of the air passage switching mechanism to be communicated with the air outlet of the fan blade containing cavity, and control the air outlet of the air passage switching mechanism to be communicated with the air inlet and outlet of the air collecting containing cavity, or control the air inlet of the air passage switching mechanism to be not communicated with the air outlet of the fan blade containing cavity, and control the air outlet of the air passage switching mechanism to be communicated with the air inlet and outlet of the air collecting containing cavity;
the built-in air inlet and outlet comprises first built-in air inlet and outlet which are consistent with the first knob mechanism in number and second built-in air inlet and outlet which are consistent with the second knob mechanism in number, and air valve mechanisms are respectively arranged on the first built-in air inlet and outlet and the second built-in air inlet and outlet;
a push rod mechanism and a lever mechanism are arranged between the air valve mechanism on the first built-in air inlet and outlet and the first knob mechanism, the push rod mechanism and the lever mechanism can mutually act, and the first knob mechanism acts on the push rod mechanism, so that the lever mechanism acts on the corresponding air valve mechanism to realize the opening or closing of the first built-in air inlet and outlet;
a push rod mechanism is arranged between the air valve mechanism on the second built-in air inlet and outlet and the second knob mechanism, and the second knob mechanism acts on the push rod mechanism, so that the push rod mechanism acts on the corresponding air valve mechanism to realize the opening or closing of the second built-in air inlet and outlet; or a push rod mechanism and a lever mechanism are arranged between the air valve mechanism on the second built-in air inlet and outlet and the second knob mechanism, the push rod mechanism and the lever mechanism can mutually act, and the second knob mechanism acts on the push rod mechanism, so that the lever mechanism acts on the corresponding air valve mechanism to realize the opening or closing of the second built-in air inlet and outlet;
when the air inlet of the air passage switching mechanism is communicated with the air outlet of the fan blade accommodating cavity, the air outlet of the air passage switching mechanism is communicated with the air inlet and outlet of the air collecting accommodating cavity, and the air inflation pump is in an inflation state; when the air inlet of the air passage switching mechanism is not communicated with the air outlet of the fan blade containing cavity, the air outlet of the air passage switching mechanism is communicated with the air inlet and outlet of the air collecting containing cavity, and the air inflation pump is in an air leakage state.
The exposed air inlet and outlet is a through hole for air to enter the shell from the outside, the built-in air inlet and outlet is a through hole for air to enter the inflation cavity of the inflation product from the inside of the shell, and the built-in air inlet and outlet is used for communicating with the inflation cavity of the inflation product.
Through the setting of above-mentioned structure for the inflation air pump that this application described can aerify a plurality of inflation cavity. Further, the inflation ports of the conventional inflation pump are all arranged on the side, and when the inflation pump is provided with a plurality of inflation ports, if all the inflation ports are arranged on the side, the volume of the inflation pump is excessively large. Therefore, two built-in air inlets and outlets are formed in the air valve mechanism of the first built-in air inlet and outlet is used for opening or closing the corresponding built-in air inlet and outlet through the push rod mechanism and the lever mechanism, and due to the transmission principle of the lever mechanism, the built-in air inlet and outlet can be formed in the back of the shell, the structure of the shell is fully utilized, the size of the shell is reduced, and the defect that the size of an inflator pump is overlarge due to the fact that the built-in air inlet and outlet is fully formed in the side face of the shell is avoided.
The lever mechanism comprises a lever and a pin shaft penetrating through the lever, one end of the lever can be abutted against the corresponding push rod mechanism, and the other end of the lever can be abutted against the corresponding valve mechanism.
The first built-in air inlet and outlet is arranged at the rear of the shell, and the second built-in air inlet and outlet is arranged at the side face of the shell.
The air passage switching mechanism is provided with a control part, the control part comprises first control parts with the same number as the first knob mechanisms and second control parts with the same number as the second knob mechanisms, the first knob mechanisms act on the first control parts to control the displacement of the air passage switching mechanism, and the second knob mechanisms act on the second control parts to control the displacement of the air passage switching mechanism.
The first knob mechanism and the second knob mechanism comprise a change-over switch which can be rotatably arranged and a knob which drives the change-over switch to rotate; the change-over switch comprises a deflector rod mechanism which can act on the corresponding control part and a rotating rod mechanism which is positioned above the deflector rod mechanism, acts with the deflector rod mechanism at the same time and acts on the push rod mechanism;
the deflector rod mechanism comprises a first deflector rod and a second deflector rod which are in V-shaped split; the rotary rod mechanism comprises an inflation action part, a deflation action part and a stopping action part positioned between the inflation action part and the deflation action part, wherein an arc-shaped transition is formed between the inflation action part and the stopping action part, and an arc-shaped transition is formed between the deflation action part and the stopping action part;
when the first deflector rod mechanism acts on the corresponding control part, the air inlet of the air passage switching mechanism is communicated with the air outlet of the fan blade accommodating cavity, the corresponding inflating action part acts with the push rod mechanism, and the corresponding air valve mechanism opens the built-in air inlet and outlet;
when the second deflector rod mechanism acts on the corresponding control part, the air inlet of the air passage switching mechanism is not communicated with the air outlet of the fan blade accommodating cavity, the corresponding air release action part acts with the push rod mechanism, and the corresponding air valve mechanism opens the built-in air inlet and outlet;
when the first deflector rod mechanism and the second deflector rod mechanism do not interact with the corresponding control parts, the corresponding stopping action parts do not interact with the push rod mechanism, and the air valve mechanism resets and closes the corresponding built-in air inlet and outlet.
The air passage switching mechanism is provided with a return mechanism which can reset the air passage switching mechanism.
The return mechanism comprises a fixed groove arranged on the air passage switching mechanism and a spring arranged in the fixed groove; the fixing groove is provided with a notch along the extension square of the spring, so that the spring can be compressed towards the two ends of the fixing groove respectively; the shell is provided with the insertion plate which can be matched with the fixing groove, so that the insertion plate compresses the spring through the notch of the fixing groove when the air passage switching mechanism is displaced. When the air valve mechanism resets to close the built-in air inlet and outlet, the spring drives the air passage switching mechanism to reset so as to close the power supply.
The air draft mechanism comprises a motor and fan blades, a circuit switch capable of controlling the motor to work is arranged near an air inlet of the air passage switching mechanism, and a button is arranged on the circuit switch; a first contact part and a second contact part which can be abutted against a button of the circuit switch to switch on a circuit are arranged at one end of an air inlet of the air channel switching mechanism; when the air inlet of the air passage switching mechanism is communicated with the air outlet of the fan blade containing cavity, the first contact part is propped against the button of the circuit switch, and when the air inlet of the air passage switching mechanism is not communicated with the air outlet of the fan blade containing cavity, the second contact part is propped against the button of the circuit switch.
The air valve mechanism comprises a connector which covers the built-in air inlet and outlet, and a sealing component which can open or close the corresponding built-in air inlet and outlet is arranged in the connector;
the sealing assembly comprises a pressing plate matched with the built-in air inlet and outlet, and a sealing ring which can be used for sealing the built-in air inlet and outlet is arranged on the pressing plate; one side of the pressing plate can be propped against the push rod mechanism or the lever mechanism, the other side of the pressing plate is provided with a guide rod, and a spring is sleeved outside the guide rod and between the pressing plate and the joint mouth.
The shell comprises a wire slot accommodating cavity and a component accommodating cavity; the exhaust mechanism and the air passage switching mechanism are arranged in the component accommodating cavity; the shell comprises a shell seat and a panel, wherein a detachable cover plate is arranged on the panel and corresponds to the wire slot accommodating cavity; the built-in air inlet and outlet are arranged on the shell seat corresponding to the component accommodating cavity, and the exposed air inlet and outlet are arranged on the panel corresponding to the component accommodating cavity and/or the wire slot accommodating cavity;
a gap is arranged between the wire slot accommodating cavity and the component accommodating cavity; the cover plate is in non-sealing contact with the panel.
Compared with the prior art, the invention has the following beneficial effects: the air inflation pump is controlled by multiple air chambers, each knob can control the corresponding built-in air inlet and outlet to perform independent inflation or deflation, and inflation and deflation of multiple chambers are realized; the first air valve mechanism with the built-in air inlet and outlet is linked with the knob mechanism through the lever mechanism and the push rod mechanism, so that the built-in air inlet and outlet can be arranged at the rear of the shell, the space of the shell is fully utilized, and the volume of a product is reduced.
Drawings
FIG. 1 is a perspective view of a pneumatic pump (off state);
FIG. 2 is a perspective view of the inflation pump;
FIG. 3 is a schematic view of a partial structure of the inflation pump;
FIG. 4 is a schematic diagram of the structure of the inflation pump in a stopped state;
FIG. 5 is a cross-sectional view of the inflation pump (off state);
FIG. 6 is an exploded view of the inflation pump;
FIG. 7 is a schematic diagram of a switch structure;
FIG. 8 is a schematic diagram of the structure of the exhaust mechanism and the air passage switching mechanism;
FIG. 9 is a schematic diagram of an airway switching mechanism;
FIG. 10 is a schematic view of the internal structure of the air pump;
FIG. 11 is a schematic view of the internal structure of the air pump;
FIG. 12 is a schematic diagram of the operational relationship between a knob mechanism and a valve train;
FIG. 13 is a schematic diagram of the operational relationship between a knob mechanism and a valve train;
FIG. 14 is a partially exploded view of the inflation pump;
FIG. 15 is a partially exploded view of the inflation pump'
FIG. 16 is a schematic illustration of a pneumatic pump in a stopped state;
FIG. 17 is a schematic view of the structure of the inflation pump for inflating through the first internal air inlet and outlet;
FIG. 18 is the schematic inflation diagram of FIG. 17;
FIG. 19 is a schematic view of the structure of the inflation pump for venting through the first internal air inlet and outlet;
fig. 20 is a schematic view of the venting of fig. 19.
Detailed Description
The present invention will be further described with reference to the accompanying drawings for a better understanding of the technical aspects of the present invention by those skilled in the art.
As shown in fig. 1-3, 11 and 16, a multi-chamber electric inflation air pump comprises a housing, wherein an exposed air inlet and outlet 112 and an internal air inlet and outlet are arranged on the housing, the internal air inlet and outlet comprises a first internal air inlet and outlet 121, a first internal air inlet and outlet 122, a second internal air inlet and outlet 123 and a second internal air inlet and outlet 124, a gas collecting cavity 140 is arranged in the housing, the gas collecting cavity 140 is communicated with the internal air inlet and outlet, and a gas collecting cavity air inlet and outlet 141 is arranged on the gas collecting cavity; as shown in fig. 8, 10 and 11, an air extraction mechanism is disposed in the housing, the air extraction mechanism includes a motor 210 and a fan blade, and the fan blade of the air extraction mechanism is disposed in a fan blade cavity 230 provided with an air inlet 231 and an air outlet 232.
As shown in fig. 1, 4, 6, 8 and 9, an air passage switching mechanism 300 is arranged near the fan blade accommodating cavity, and the air passage switching mechanism 300 is provided with an air inlet 301 and an air outlet 302; a knob mechanism is arranged in action connection with the air passage switching mechanism 300, and comprises two first knob mechanisms 410 and 420 and two second knob mechanisms 430 and 440 which can independently control the displacement of the air passage switching mechanism 300; the first knob mechanism and the second knob mechanism can respectively control the air inlet 301 of the air passage switching mechanism to be communicated with the air outlet 232 of the fan blade cavity, and control the air outlet 302 of the air passage switching mechanism to be communicated with the air inlet and outlet 141 of the air collecting cavity, or control the air inlet 301 of the air passage switching mechanism to be not communicated with the air outlet 232 of the fan blade cavity, and control the air outlet 302 of the air passage switching mechanism to be communicated with the air inlet and outlet 141 of the air collecting cavity.
As shown in fig. 3 and 15, the first internal air inlet and outlet 121, the first internal air inlet and outlet 122, the second internal air inlet and outlet 123 and the second internal air inlet and outlet 124 are respectively provided with valve mechanisms 910, 920, 930 and 940.
As shown in fig. 12 and 13, a push rod mechanism 510 and a lever mechanism 610 are disposed between the valve mechanism 910 of the first internal air inlet/outlet 121 and the first knob mechanism 410, the push rod mechanism 510 and the lever mechanism 610 can mutually act, and the first knob mechanism 410 acts on the push rod mechanism 510, so that the lever mechanism 610 acts on the corresponding valve mechanism 910 to realize opening or closing of the first internal air inlet/outlet 121;
a push rod mechanism 520 and a lever mechanism 620 are arranged between the valve mechanism 920 of the first internal air inlet and outlet 122 and the first knob mechanism 420, the push rod mechanism 520 and the lever mechanism 620 can mutually act, and the first knob mechanism 420 acts on the push rod mechanism 520, so that the lever mechanism 620 acts on the corresponding valve mechanism 920 to realize the opening or closing of the first internal air inlet and outlet 122;
a push rod mechanism 530 is disposed between the valve mechanism 930 on the second internal air inlet and outlet 123 and the second knob mechanism 430, and the second knob mechanism 430 acts on the push rod mechanism 530, so that the push rod mechanism 530 acts on the corresponding valve mechanism 930 to realize the opening or closing of the second internal air inlet and outlet 123;
a push rod mechanism 540 is disposed between the valve mechanism 940 on the second internal air inlet/outlet 124 and the second knob mechanism 440, and the second knob mechanism 440 acts on the push rod mechanism 540, so that the push rod mechanism 540 acts on the corresponding valve mechanism 940 to open or close the second internal air inlet/outlet 124.
As shown in fig. 13, the lever mechanism 610 includes a lever 612 and a pin 611 disposed through the lever 612, where one end of the lever 612 may act against the corresponding push rod mechanism 510 and the other end may act against the corresponding valve mechanism 910 (the structure of the lever mechanism 620 is identical to that of the lever mechanism 610, and the description will not be repeated).
As shown in fig. 1 to 3, the first internal air inlets 121 and 122 are disposed at the rear of the housing, and the second internal air inlets 123 and 124 are disposed at the side of the housing.
As shown in fig. 4 to 6 and 8 to 9, the air passage switching mechanism 300 is provided with first control portions 310 and 320, second control portions 330 and 340, first knob mechanisms 410 and 420 respectively act on the first control portions 310 and 320 to control the displacement of the air passage switching mechanism 300, and second knob mechanisms 430 and 440 respectively act on the second control portions 330 and 340 to control the displacement of the air passage switching mechanism 300.
As shown in fig. 6 to 9, the first knob mechanism 410/420 includes a rotatable switch 412/422 and a knob 411/421 for driving the switch 412/422 to rotate, and the second knob mechanism 430/440 includes a rotatable switch 432/442 and a knob 431/441 for driving the switch 432/442 to rotate.
The switches 412, 422, 432, and 442 are identical in structure and the switch 412 is described in detail below. As shown in fig. 4, 6 and 7, the switch 412 includes a lever mechanism operable to the corresponding control portion (the first control portion 310) and a rotary lever mechanism located above the lever mechanism and simultaneously operated with the lever mechanism and acting on the push rod mechanism; the shift lever mechanism comprises a first shift lever 4121 and a second shift lever 4122 which are in V-shaped split; the lever mechanism includes an inflation actuating portion 4123, a deflation actuating portion 4125, and a shutdown actuating portion 4124 located between the inflation actuating portion and the deflation actuating portion, wherein an arc transition is formed between the inflation actuating portion and the shutdown actuating portion, and an arc transition is formed between the deflation actuating portion and the shutdown actuating portion.
As shown in fig. 5 and 9, the air passage switching mechanism 300 is provided with a return mechanism for resetting the air passage switching mechanism. The return mechanism comprises a fixed groove 351 arranged on the air passage switching mechanism and a spring 352 arranged on the fixed groove 351; the fixing groove 351 is provided with a notch along the square of the extension of the spring, so that the springs can be respectively compressed towards the two ends of the fixed groove; the shell is provided with an insertion plate 353 which can be matched with the fixing groove, so that the insertion plate compresses the spring through a notch of the fixing groove when the air passage switching mechanism is displaced.
As shown in fig. 4, 10 and 11, the air extraction mechanism comprises a motor 210 and a fan blade, a circuit switch 800 capable of controlling the motor to work is arranged near an air inlet of the air passage switching mechanism, and a button 810 is arranged on the circuit switch 800; a first contact part 361 and a second contact part 362 which can be propped against a button of the circuit switch to connect the circuit are arranged at one end of an air inlet of the air channel switching mechanism; when the air inlet of the air passage switching mechanism is communicated with the air outlet of the fan blade containing cavity, the first contact part is propped against the button of the circuit switch, and when the air inlet of the air passage switching mechanism is not communicated with the air outlet of the fan blade containing cavity, the second contact part is propped against the button of the circuit switch.
As shown in fig. 12 to 15, the valve mechanism includes a nozzle 710, 720, 730 and 740 covering the internal air inlet and outlet, and a sealing component 910, 920, 930 and 940 capable of opening or closing the corresponding internal air inlet and outlet is arranged in the nozzle; because of the uniformity of the four seal assemblies, the seal assembly 930 mounted on the second port 123 will be described in detail. The sealing component 930 comprises a pressing plate 931 matched with the built-in air inlet and outlet 123, and a sealing ring 932 for sealing the built-in air inlet and outlet is arranged on the pressing plate 931; one side of the pressing plate can be propped against the push rod mechanism 530, the other side of the pressing plate is provided with a guide rod 933, and a spring 934 is sleeved between the pressing plate and the nozzle 730 outside the guide rod.
As shown in fig. 1 to 3 and 14, the housing includes a slot accommodating cavity 131 and a component accommodating cavity 132; the exhaust mechanism and the air passage switching mechanism are arranged in the component accommodating cavity 132; the shell comprises a shell seat 120 and a panel 110, wherein a detachable cover plate 111 is arranged on the panel 110, and the cover plate 111 corresponds to the wire slot accommodating cavity 131; the built-in air inlet and outlet is arranged on a shell seat corresponding to the component accommodating cavity 132, and the exposed air inlet and outlet 112 is arranged on a panel corresponding to the component accommodating cavity 132;
a gap 133 is arranged between the wire slot accommodating cavity and the component accommodating cavity; the cover plate is in non-sealing contact with the panel.
As shown in fig. 17 and 18, there is a schematic view of inflation through the first internal air inlet and outlet ports 121 and 122. The knob mechanisms 410 and 420 rotate to control the first shift levers on the corresponding change-over switches 412 and 422 to act on the corresponding control parts 310 and 320, the air channel switching mechanism 300 moves downwards, the air inlet 301 of the air channel switching mechanism is communicated with the air outlet 232 of the fan blade accommodating cavity, the air outlet 302 of the air channel switching mechanism is communicated with the air inlet and outlet 141 of the air collecting accommodating cavity, the air charging action parts on the change-over switches 412 and 422 respectively act on the push rod mechanisms 510 and 520, the push rod mechanisms 510 and 520 respectively act on the lever mechanisms 610 and 620, and the lever mechanisms 610 and 620 respectively push up (i.e. compress) the corresponding air valves 910 and 920 so as to open the corresponding first built-in air inlet and outlet 121 and 122. At the same time, when the air passage switching mechanism 300 is operated, the first contact portion 361 thereof abuts against the button 810 on the circuit switch 800, and the circuit is turned on, and the air suction is started, and at this time, the air is inflated. In fig. 18, the arrow labeled a indicates that air enters the slot accommodating cavity from the gap between the panel and the cover plate, the arrow labeled b indicates that air enters the component accommodating cavity from the slot accommodating cavity through the notch, the arrow labeled c indicates that air entering the component accommodating cavity enters the fan blade accommodating cavity under the action of rotation of the fan blade, and then the air sequentially passes through the air passage switching mechanism and the air collecting accommodating cavity and flows into the inflatable product from the first built-in air inlet and outlet ports 121 and 122. The present application does not show the inflation through the second internal air inlets and outlets 123 and 124, but based on fig. 17 and 18, the inflation of four internal air inlets and outlets can be achieved by simply turning the knob mechanisms 430 and 440 to control the corresponding valve mechanisms to compress the corresponding second internal air inlets and outlets that have been opened; the same is true for the inflation of a single built-in air inlet and outlet, only one of the knob mechanisms needs to be controlled.
As shown in fig. 19 and 20, there is a schematic view of venting through the first internal air inlet and outlet ports 121 and 122. The knob mechanisms 410 and 420 rotate to control the second shifting levers on the corresponding change-over switches 412 and 422 to act on the corresponding control parts 310 and 320, the air channel change-over mechanism 300 moves upwards, the air inlet 301 of the air channel change-over mechanism is not communicated with the air outlet 232 of the fan blade accommodating cavity, the air outlet 302 of the air channel change-over mechanism is communicated with the air inlet and outlet 141 of the air collecting accommodating cavity, the air release action parts on the change-over switches 412 and 422 respectively act on the push rod mechanisms 510 and 520, the push rod mechanisms 510 and 520 respectively act on the lever mechanisms 610 and 620, and the lever mechanisms 610 and 620 respectively push up (i.e. compress) the corresponding air valves 910 and 920 so as to open the corresponding first built-in air inlet and outlet 121 and 122. At the same time, when the air passage switching mechanism 300 is operated, the second contact portion 362 is pressed against the button 810 on the circuit switch 800, and the circuit is turned on, and the air suction is started, and at this time, the air leakage state is established. In fig. 20, the arrow labeled e is the passage of air from the product plenum chamber through the first internal air inlet and outlet ports 121 and 122 into the air collection plenum; the arrow marked as f is that air sequentially enters the component accommodating cavity through the gas collecting accommodating cavity and the air passage switching mechanism and then enters the fan blade accommodating cavity under the action of the fan blade; the arrow marked g is that the air flowing out from the air outlet of the fan blade container flows out from the outside through the exposed air inlet and outlet; the arrow marked h is that air flows into the slot accommodating cavity through the notch, the arrow marked i is that air in the slot accommodating cavity flows out of the outside through the gaps of the panel and the cover plate. The present application does not show the venting through the second internal air inlets 123 and 124, but based on fig. 19 and 20, only by turning the knob mechanisms 430 and 440 to control the corresponding valve mechanisms to compress the corresponding second internal air inlets that have been opened, the venting of the four internal air inlets can be achieved; the same is true for the venting of a single built-in vent, only one of the knob mechanisms need to be controlled.
As shown in fig. 4 and 16, there is no action between the corresponding knob mechanism and the corresponding control part, the corresponding stop action part is opposite to the corresponding push rod mechanism, and the corresponding valve mechanism is reset (closes the corresponding built-in air inlet and outlet).
The foregoing embodiments are merely examples of implementations of the invention, which are described in more detail and are not to be construed as limiting the scope of the invention. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the spirit of the invention, and that these obvious alternatives fall within the scope of the invention.
Claims (8)
1. An electric inflation air pump with multiple air chambers is characterized in that: the air collecting cavity is communicated with the built-in air inlet and outlet, and the air collecting cavity air inlet and outlet are arranged on the air collecting cavity;
the air inlet and outlet is arranged in the shell, namely the air enters the through hole in the shell from the outside, the air inlet and outlet is arranged in the through hole in the inflation cavity of the inflation product from the inside of the shell, and the air inlet and outlet is arranged in the through hole in the inflation cavity of the inflation product;
an air suction mechanism is arranged in the shell, and a fan blade of the air suction mechanism is arranged in a fan blade accommodating cavity provided with an air inlet and an air outlet;
the air channel switching mechanism is arranged close to the fan blade accommodating cavity and is provided with an air inlet and an air outlet; the rotary knob mechanism is connected with the air passage switching mechanism in an action manner and comprises at least one first rotary knob mechanism and at least one second rotary knob mechanism which can independently control the displacement of the air passage switching mechanism; the first knob mechanism and the second knob mechanism can respectively control the air inlet of the air passage switching mechanism to be communicated with the air outlet of the fan blade containing cavity, and control the air outlet of the air passage switching mechanism to be communicated with the air inlet and outlet of the air collecting containing cavity, or control the air inlet of the air passage switching mechanism to be not communicated with the air outlet of the fan blade containing cavity, and control the air outlet of the air passage switching mechanism to be communicated with the air inlet and outlet of the air collecting containing cavity;
the built-in air inlet and outlet comprises first built-in air inlet and outlet which are consistent with the first knob mechanism in number and second built-in air inlet and outlet which are consistent with the second knob mechanism in number, and air valve mechanisms are respectively arranged on the first built-in air inlet and outlet and the second built-in air inlet and outlet;
a push rod mechanism and a lever mechanism are arranged between the air valve mechanism on the first built-in air inlet and outlet and the first knob mechanism, the push rod mechanism and the lever mechanism can mutually act, and the first knob mechanism acts on the push rod mechanism, so that the lever mechanism acts on the corresponding air valve mechanism to realize the opening or closing of the first built-in air inlet and outlet;
a push rod mechanism is arranged between the air valve mechanism on the second built-in air inlet and outlet and the second knob mechanism, and the second knob mechanism acts on the push rod mechanism, so that the push rod mechanism acts on the corresponding air valve mechanism to realize the opening or closing of the second built-in air inlet and outlet; or a push rod mechanism and a lever mechanism are arranged between the air valve mechanism on the second built-in air inlet and outlet and the second knob mechanism, the push rod mechanism and the lever mechanism can mutually act, and the second knob mechanism acts on the push rod mechanism, so that the lever mechanism acts on the corresponding air valve mechanism to realize the opening or closing of the second built-in air inlet and outlet;
when the air inlet of the air passage switching mechanism is communicated with the air outlet of the fan blade accommodating cavity, the air outlet of the air passage switching mechanism is communicated with the air inlet and outlet of the air collecting accommodating cavity, and the air inflation pump is in an inflation state; when the air inlet of the air passage switching mechanism is not communicated with the air outlet of the fan blade accommodating cavity, the air outlet of the air passage switching mechanism is communicated with the air inlet and outlet of the air collecting accommodating cavity, and the air inflation pump is in an air leakage state;
the air passage switching mechanism is provided with a control part, the control part comprises first control parts with the same number as the first knob mechanisms and second control parts with the same number as the second knob mechanisms, the first knob mechanisms act on the first control parts to control the displacement of the air passage switching mechanism, and the second knob mechanisms act on the second control parts to control the displacement of the air passage switching mechanism;
the first knob mechanism and the second knob mechanism comprise a change-over switch which can be rotatably arranged and a knob which drives the change-over switch to rotate; the change-over switch comprises a deflector rod mechanism which can act on the corresponding control part and a rotating rod mechanism which is positioned above the deflector rod mechanism, acts with the deflector rod mechanism at the same time and acts on the push rod mechanism;
the deflector rod mechanism comprises a first deflector rod and a second deflector rod which are in V-shaped split; the rotary rod mechanism comprises an inflation action part, a deflation action part and a stopping action part positioned between the inflation action part and the deflation action part, wherein an arc-shaped transition is formed between the inflation action part and the stopping action part, and an arc-shaped transition is formed between the deflation action part and the stopping action part;
when the first deflector rod mechanism acts on the corresponding control part, the air inlet of the air passage switching mechanism is communicated with the air outlet of the fan blade accommodating cavity, the corresponding inflating action part acts with the push rod mechanism, and the corresponding air valve mechanism opens the built-in air inlet and outlet;
when the second deflector rod mechanism acts on the corresponding control part, the air inlet of the air passage switching mechanism is not communicated with the air outlet of the fan blade accommodating cavity, the corresponding air release action part acts with the push rod mechanism, and the corresponding air valve mechanism opens the built-in air inlet and outlet;
when the first deflector rod mechanism and the second deflector rod mechanism do not interact with the corresponding control parts, the corresponding stopping action parts do not interact with the push rod mechanism, and the air valve mechanism resets and closes the corresponding built-in air inlet and outlet.
2. The multi-air chamber electric inflation air pump of claim 1, wherein the lever mechanism comprises a lever and a pin shaft penetrating the lever, one end of the lever can be abutted against the corresponding push rod mechanism, and the other end of the lever can be abutted against the corresponding valve mechanism.
3. A multi-chamber electric inflation air pump as claimed in claim 1 or claim 2, wherein the first internal air inlet and outlet is provided at the rear of the housing and the second internal air inlet and outlet is provided at the side of the housing.
4. The multi-air-chamber electric inflation air pump of claim 1, wherein the air passage switching mechanism is provided with a return mechanism for resetting the air passage switching mechanism.
5. The multi-chamber electric inflation air pump of claim 4, wherein the return mechanism comprises a fixed slot provided on the air passage switching mechanism, and a spring provided in the fixed slot; the fixing groove is provided with a notch along the extension square of the spring, so that the spring can be compressed towards the two ends of the fixing groove respectively; the shell is provided with the insertion plate which can be matched with the fixing groove, so that the insertion plate compresses the spring through the notch of the fixing groove when the air passage switching mechanism is displaced.
6. The multi-air-chamber electric inflation air pump of claim 1, wherein the air draft mechanism comprises a motor and a fan blade, a circuit switch capable of controlling the motor to work is arranged near the air inlet of the air passage switching mechanism, and a button is arranged on the circuit switch; a first contact part and a second contact part which can be abutted against a button of the circuit switch to switch on a circuit are arranged at one end of an air inlet of the air channel switching mechanism; when the air inlet of the air passage switching mechanism is communicated with the air outlet of the fan blade containing cavity, the first contact part is propped against the button of the circuit switch, and when the air inlet of the air passage switching mechanism is not communicated with the air outlet of the fan blade containing cavity, the second contact part is propped against the button of the circuit switch.
7. The multi-chamber electric inflation air pump of claim 1, wherein the air valve mechanism comprises a nozzle covering the built-in air inlet and outlet, and a sealing component capable of opening or closing the corresponding built-in air inlet and outlet is arranged in the nozzle;
the sealing assembly comprises a pressing plate matched with the built-in air inlet and outlet, and a sealing ring which can be used for sealing the built-in air inlet and outlet is arranged on the pressing plate; one side of the pressing plate can be propped against the push rod mechanism or the lever mechanism, the other side of the pressing plate is provided with a guide rod, and a spring is sleeved outside the guide rod and between the pressing plate and the joint mouth.
8. The multi-chamber electric inflation air pump of claim 1, wherein the housing comprises a wire slot receiving cavity and a component receiving cavity; the exhaust mechanism and the air passage switching mechanism are arranged in the component accommodating cavity; the shell comprises a shell seat and a panel, wherein a detachable cover plate is arranged on the panel and corresponds to the wire slot accommodating cavity; the built-in air inlet and outlet are arranged on the shell seat corresponding to the component accommodating cavity, and the exposed air inlet and outlet are arranged on the panel corresponding to the component accommodating cavity and/or the wire slot accommodating cavity;
a gap is arranged between the wire slot accommodating cavity and the component accommodating cavity; the cover plate is in non-sealing contact with the panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810050742.3A CN108131308B (en) | 2018-01-18 | 2018-01-18 | Multi-air-chamber electric inflation air pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810050742.3A CN108131308B (en) | 2018-01-18 | 2018-01-18 | Multi-air-chamber electric inflation air pump |
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| Publication Number | Publication Date |
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| CN108131308A CN108131308A (en) | 2018-06-08 |
| CN108131308B true CN108131308B (en) | 2023-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810050742.3A Active CN108131308B (en) | 2018-01-18 | 2018-01-18 | Multi-air-chamber electric inflation air pump |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115977914B (en) * | 2022-12-06 | 2024-05-28 | 东莞市鸿生五金塑胶科技有限公司 | Built-in air pump and core thereof |
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| Publication number | Publication date |
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| CN108131308A (en) | 2018-06-08 |
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