CN217652945U - Improved air pump device - Google Patents

Abstract

The utility model relates to an improved air pump device, which is characterized in that an air exhaust cavity and an air exhaust cavity are separated in a shell, the shell is respectively provided with an air supply port, an air exhaust port, an inflation port and an air release port, the air supply port and the air exhaust port are respectively corresponding to and communicated with the outside of an inflatable product, the inflation port and the air release port are respectively corresponding to and communicated with the inner cavity of the inflatable product, the air supply port and the air release port are respectively communicated with the air exhaust cavity, and the air exhaust port and the inflation port are respectively communicated with the air exhaust cavity; the internal centrifugal fan is arranged in the shell, the exhaust end of the centrifugal fan is positioned in the exhaust cavity, and the air exhaust end of the centrifugal fan is positioned in the air exhaust cavity; the first movable valve inside the air supply valve alternately closes the air supply port and the air release port by moving back and forth; the second movable valve inside seals the exhaust port and the inflation port in turn by moving back and forth. The utility model discloses not only can be convenient for let the air pump realize aerifing the function and disappointing the function, can help simplifying the inner structure of air pump moreover, reduce the manufacturing cost of air pump, can be favorable to reducing the whole volume of air pump.

Description

Improved air pump device

Technical Field

The utility model relates to an air pump technical field especially relates to an improved generation air pump device.

Background

Air pumps, also known as "air pumps," are devices that remove air from an enclosed space or add air to an enclosed space. Air pumps on the market mainly comprise an electric air pump and a manual air pump, wherein the electric air pump is an air pump taking electric power as power, air is continuously compressed through the electric power to generate air pressure, and the electric air pump is mainly used for inflating inflatable products. At present, an air pump in the prior art is generally used for being matched with an inflatable product, and the air pump is arranged in the inflatable product to realize automatic inflation of the inflatable product. In order to be more convenient to use, part of inflatable products on the market are often additionally provided with an inflating air pump, the inflating air pump is provided with an air inlet, the air inlet is opened during inflation, the inflating air pump can inflate the inner cavity of the inflatable product, and after inflation is finished, the air inlet is closed to prevent the air in the inflatable product from leaking. When the inflatable product needs to be deflated, the air leakage function of the air pump can be started, and the air in the inflatable product is automatically discharged.

However, in order to realize the functions of inflation and deflation, the air pump configured on the inflatable product generally comprises an inflation channel and a deflation channel in the structure, the inflation channel and the deflation channel are respectively communicated with a fan, and the inflation and deflation work of the inflation channel and the deflation channel is realized through the respective operation of the two fans, so as to inflate and deflate the inflatable product. However, the inside air pump of this type of structure often need carry on two motors and two fans, inside supporting structure also need accord with two motors of assembly and two fans, supporting control circuit also has relatively higher requirement, the inner structure that finally can lead to the air pump device is comparatively complicated, and manufacturing cost is on the high side, on the other hand, because this type of air pump has carried can cause the whole bigger than normal of volume of air pump after two fans and two motors, the configuration can occupy too much installation space when aerifing the product in, consequently, can't install in miniature product of aerifing, the application scope that leads to the air pump receives the restriction.

In addition, in order to achieve the purpose of reducing the whole volume of the air pump, the air pump in the prior art cancels the air leakage function, only keeps the air inflation function, achieves the purpose of reducing the volume of the air pump through the 'reducing and matching' mode, and the mode can influence the use experience of the product undoubtedly, so that the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses an improved generation air pump device not only can be convenient for let the air pump realize aerifing the function and disappointing function, can help simplifying the inner structure of air pump moreover, reduce the manufacturing cost of air pump, can be favorable to reducing the whole volume of air pump.

The utility model relates to an improved generation air pump device, which comprises a housin, it has air exhaust chamber and air discharge chamber to separate in the casing, air supply mouth, gas vent, inflation inlet and disappointing mouth have been seted up on the casing respectively, air supply mouth and gas vent are used for corresponding respectively and communicate in the outside of aerifing the product, inflation inlet and disappointing mouth are used for corresponding respectively and communicate in the inner chamber of aerifing the product, air supply mouth and disappointing mouth communicate respectively the air exhaust chamber, the gas vent with the inflation inlet communicates respectively the air discharge chamber still includes:

the centrifugal fan is arranged in the shell, the exhaust end of the centrifugal fan is positioned in the exhaust cavity, and the air exhaust end of the centrifugal fan is positioned in the air exhaust cavity;

the first movable valve alternately seals the air supply port and the air release port by moving back and forth;

and the second movable valve alternately seals the exhaust port and the inflation port by moving back and forth.

According to the improved air pump device of the utility model, the first movable valve is provided with the first spring, and the first movable valve is driven to keep closing the air supply port by the spring acting force of the first spring;

and a second spring is arranged on the second movable valve, and the second movable valve is driven to keep closing the exhaust port by the spring acting force of the second spring.

According to the utility model discloses an improved generation air pump device, still include the rotator, first movable valve and second movable valve symmetric distribution are in the relative both sides of rotator and the transmission respectively butts in the rotator, through the positive and negative rotation of rotator respectively in turn drive first movable valve and second movable valve overcome the spring action power and produce the removal; wherein:

overcoming the acting force of a spring and generating a moved first movable valve to open the air supply port and simultaneously close the air release port;

and overcoming the acting force of the spring and generating a second movable valve after movement to open the exhaust port and simultaneously close the inflation port.

According to the utility model discloses an improved generation air pump device, still include rotary switch, be provided with the driving lever on the rotary switch, the rotator includes central pivot and V-arrangement board, central pivot sets up the center of rotation of V-arrangement board, the driving lever outwards extends to the inboard of V-arrangement board and when the driving lever swings to the outer end of V-arrangement board from the center of V-arrangement board, the driving lever stirs the V-arrangement board in step and produces the deflection around central pivot, first movable valve and second movable valve symmetric distribution are in the relative both sides of central pivot and the transmission respectively butts in the outside of V-arrangement board;

the shifting lever is driven to swing back and forth through the forward and reverse rotation of the knob switch, the V-shaped plate is shifted to rotate back and forth through the reciprocating swing of the shifting lever, and the first movable valve and the second movable valve are driven to overcome the action force of the spring and move through the forward and reverse rotation of the V-shaped plate in turn.

According to the utility model discloses an improved generation air pump device, the equal perpendicular to of length direction of driving lever, first spring and second spring the rotation plane of knob switch.

According to the utility model discloses an improved air pump device, the shell comprises an outer support box and an inner support box which are connected with each other; the outer bracket box is used for corresponding to the outer side of the inflatable product, and the air supply port and the air exhaust port are respectively arranged on the outer bracket box and are communicated with the outside of the inflatable product through the outer bracket box; the inner support box is used for corresponding to the inner cavity of the inflatable product, and the inflation port and the air release port are respectively arranged on the inner support box and communicated with the inner cavity of the inflatable product through the inner support box.

According to the utility model discloses an improved generation air pump device, it is in to extract air the chamber and the chamber of exhausting forms in the inner support box, be formed with first installation sleeve and second installation sleeve on the inner support box respectively, wherein:

one end of the first mounting sleeve is in butt joint with and communicated with the air supply port, the other end of the first mounting sleeve is in butt joint with and communicated with the air exhaust cavity, the air exhaust port is formed in the side wall of the first mounting sleeve, the first movable valve is in sliding sleeve joint in the first mounting sleeve, and the air supply port and the air exhaust port are sealed in turn through linear reciprocating movement of the first movable valve in the first mounting sleeve;

one end of the second mounting sleeve is in butt joint with and communicated with the air outlet, the other end of the second mounting sleeve is in butt joint with and communicated with the air exhaust cavity, the air charging port is formed in the side wall of the second mounting sleeve, the second movable valve is slidably sleeved in the second mounting sleeve, and the air outlet and the air charging port are sealed in turn through linear reciprocating movement of the second movable valve in the second mounting sleeve.

According to the utility model discloses an improved generation air pump device, first movable valve includes first valve plate, first spring post and first side valve plate, first valve plate slip cup joints in first installation sleeve, first spring post is fixed in the face of first valve plate and is located in first installation sleeve, first side valve plate set up in the side of first valve plate and correspond in one side of the mouth that loses heart, the first spring cup joints on first spring post and elasticity orders about the first valve plate keeps closing the air supply mouth; after the first valve plate is driven to overcome the spring acting force of the first spring and move by deflection of the V-shaped plate, the first valve plate opens the air supply port and simultaneously drives the first side valve plate to close the air release port;

the second movable valve comprises a second valve plate, a second spring column and a second side valve plate, the second valve plate is sleeved in the second mounting sleeve in a sliding mode, the second spring column is fixed to the plate surface of the second valve plate and located in the second mounting sleeve, the second side valve plate is arranged on the side edge of the second valve plate and corresponds to one side of the air charging opening, and the second spring is sleeved on the second spring column and elastically drives the second valve plate to keep closing the air discharging opening; after the second valve plate is driven to overcome the spring acting force of the second spring through deflection of the V-shaped plate and move, the second valve plate opens the exhaust port and simultaneously drives the second side valve plate to close the inflation port.

According to the utility model discloses an improved generation air pump device, be provided with electric control switch in the outer support box, knob switch articulates on the outer support box, knob switch's articulated shaft outer wall encircles and is provided with two at least plectrums, each the plectrum can be followed knob switch's positive reverse touches respectively electric control switch and synchronous triggering electric control switch starts the rotating electrical machines and drives centrifugal fan.

According to the utility model discloses an improved generation air pump device, be provided with the chamber of accomodating that is used for accomodating the power cord in the outer support box.

The utility model discloses an improved air pump device, on one hand, an air pumping cavity and an air exhausting cavity are separated from the inner part of a shell of an air pump, then a centrifugal fan is arranged in the shell, and the air exhausting end of the centrifugal fan is arranged in the air exhausting cavity; on the other hand, the shell is respectively provided with an air supply port, an air outlet, an inflation port and an air release port, when the air pump is arranged on an inflatable product, the air supply port and the air outlet respectively correspond to and are communicated with the outside of the inflatable product (so that the air outside the inflatable product can enter the air pump from the air supply port and the air inside the air pump can be discharged to the outside from the air outlet), and the inflation port and the air release port respectively correspond to and are communicated with the inner cavity of the inflatable product (so that the air pump inflates the inner cavity of the inflatable product through the inflation port, the inflation effect is realized, and the air in the inner cavity of the inflatable product is also extracted through the air release port by the air pump, so that the air release effect is realized; finally, a first movable valve and a second movable valve are respectively arranged in a shell of the air pump, the first movable valve can be moved back and forth to alternately seal the air supply port and the air release port (namely, when the first movable valve is moved to the air supply port and seals the air supply port, the air release port is in an open state, conversely, when the first movable valve is moved to the air release port and seals the air release port, the air supply port is in an open state), and the second movable valve can be moved back and forth to alternately seal the air exhaust port and the air inflation port (namely, when the second movable valve is moved to the air exhaust port and seals the air exhaust port, the air inflation port is in an open state, and conversely, when the second movable valve is moved to the air inflation port and seals the air inflation port, the air exhaust port is in an open state). Through foretell air pump structure, when aerifing the product and need aerifing, can control first movable valve and seal disappointing mouthful (the air supply mouth just is in the open mode this moment), control second movable valve simultaneously and seal the gas vent (the inflation inlet is in the open mode this moment), treat centrifugal fan and rotate the back, under the suction effect of centrifugal fan bleed end, outside air alright in order to get into the inside intracavity of bleeding of air pump through the air supply mouth, simultaneously under the propelling movement effect of centrifugal fan exhaust end, the air that gets into the intracavity of bleeding can be by propelling movement to the exhaust intracavity, along with the flow of air current, air alright in the exhaust intracavity can continuously get into the inner chamber of aerifing the product through the inflation inlet, realize gas filled effect. And after the inflation is finished, the first movable valve and the second movable valve are controlled to respectively seal the air supply port and the air exhaust port, so that the air pumping cavity and the air exhaust cavity in the air pump cannot be communicated with the outside, the whole air pump is in a closed state, the fact that the gas in the inner cavity of the inflatable product cannot be leaked outwards can be ensured, and the inflatable product can be kept in an inflated state. On the contrary, when aerifing the product and need disappointing, can control first movable valve and seal the air supply mouth (disappointing mouth this moment and just being in the open mode), control second movable valve simultaneously and seal the inflation inlet (the gas vent is in the open mode this moment), treat centrifugal fan and rotate the back, under the suction effect of centrifugal fan bleed-off end, aerify the air alright in order to get into the inside intracavity of bleeding of air pump through disappointing the mouth in the product inner chamber, simultaneously under the propelling movement effect of centrifugal fan exhaust end, the air that gets into the intracavity of bleeding can be by propelling movement to the exhaust intracavity, along with the flow of air current, the air alright in the exhaust intracavity can be discharged to the external world through the gas vent, realize the effect of disappointing. Can know through the aforesaid, the utility model discloses an air pump structure only need a fan and dispose a motor alright in order to realize aerifing the function and disappointing function, need supporting control circuit to also can retrench more undoubtedly to can help simplifying the inner structure of air pump, reduce the manufacturing cost of air pump, can be favorable to reducing the whole volume of air pump simultaneously, avoid taking too much installation space in aerifing the product, make the air pump device can adapt to miniature aerifing the product better.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and obviously, the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a partial structural schematic diagram of the present invention;

FIG. 3 is a schematic view of the air pump device of the present invention assembled to an inflatable product;

FIG. 4 is a general schematic view of the internal structure of the present invention;

FIG. 5 is a partial schematic view of the internal structure of the present invention;

fig. 6 is a partial schematic view of the internal structure of the present invention;

FIG. 7 is a schematic view of the working principle of the present invention;

FIG. 8 is a schematic view of the working principle of the present invention;

FIG. 9 is a schematic view of the working principle of the present invention;

fig. 10 is a partial schematic view of the internal structure of the present invention;

fig. 11 is a schematic view of the internal structure of the present invention;

fig. 12 is a schematic view of the internal structure of the present invention;

fig. 13 is a partial schematic view of the internal structure of the present invention;

fig. 14 is a partial structural schematic view of the present invention;

fig. 15 is a schematic view of the internal structure of the present invention;

fig. 16 is an activity diagram of the internal structure of the present invention;

fig. 17 is a partial structural schematic view of the present invention;

fig. 18 is a partial structural schematic view of the present invention;

fig. 19 is a partial structural schematic view of the present invention;

fig. 20 is a partial structural schematic view of the present invention;

fig. 21 is a partial structural schematic view of the present invention;

fig. 22 is a partial structural schematic view of the present invention;

fig. 23 is a partial structural schematic diagram of the present invention.

Reference numerals:

an aerated product 100;

1. the air compressor comprises a shell, a 2, an air suction cavity, a 3, an air exhaust cavity, a 4, an air supply port, a 5, an air exhaust port, a 6, an air inflation port, a 7, an air release port, an 8, a centrifugal fan, a 9, a first movable valve, a 10, a second movable valve, a 11, a first spring, a 12, a second spring, a 13, a rotating body, a 14, a knob switch, a 15, a deflector rod, a 16, a central rotating shaft, a 17, a V-shaped plate, an 18, an outer support box, a 19, an inner support box, a 20, a first mounting sleeve, a 21, a second mounting sleeve, a 22, a first valve plate, a 23, a first spring column, a 24, a first side valve plate, a 25, a second valve plate, a 26, a second spring column, a 27, a second side valve plate, a 28, an electric control switch, a 29, a drive sheet, a 30, a containing cavity, a 31, a panel, a 32, a concave cavity, a 33, a through hole, a 34, a sleeve seat, a 35, a convex strip, a 36, a first drive plate, a second drive plate, a 37, a second drive plate, a 38, a cover plate, a 39, a first connecting through hole, a second connecting guide rail, a supporting plate, a second sealing ring 44, a second sealing ring 47, a rotating sealing ring 46, a rotating sealing ring 47 and a rotating motor.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

As shown in fig. 1 to 6, an improved air pump device comprises a casing 1, an air pumping cavity 2 and an air exhausting cavity 3 are separated in the casing 1, and an air supply port 4, an air exhaust port 5, an air charging port 6 and an air discharging port 7 are respectively formed on the casing 1. As shown in fig. 3, when the air pump device is installed in the inflatable product 100, the air supply port 4 and the air discharge port 5 of the air pump device correspond to the outside of the inflatable product 100, so as to communicate with the outside of the inflatable product, thereby facilitating the external air to enter the air pump from the air supply port 4 and facilitating the air in the air pump to be discharged to the outside from the air discharge port 5; meanwhile, after the air pump device is installed in the inflatable product 100, the inflation port 6 and the air release port 7 of the air pump device correspond to the inner cavity of the inflatable product 100 so as to communicate with the inner cavity of the inflatable product 100, so that the air in the air pump can enter the inner cavity of the inflatable product 100 from the inflation port 6, and the air in the inner cavity of the inflatable product 100 can enter the air pump from the air release port 7. The air supply port 4 and the air release port 7 are respectively communicated with the air pumping cavity 2, and the air exhaust port 5 and the inflation port 6 are respectively communicated with the air exhaust cavity 3. On the other hand, a centrifugal fan 8 is mounted in the casing 1, an exhaust end of the centrifugal fan 8 is positioned in the exhaust chamber 3, and an air exhaust end of the centrifugal fan 8 is positioned in the air exhaust chamber 2. And a first movable valve 9 and a second movable valve 10 are movably installed in the housing 1, the first movable valve 9 alternately closes the air supply port 4 and the air release port 7 by reciprocating movement, and the second movable valve 10 alternately closes the air discharge port 5 and the air charging port 6 by reciprocating movement.

It can be understood that, in the air pump device of the present embodiment, on one hand, the air pumping chamber 2 and the air exhaust chamber 3 are separated from the inside of the casing 1 of the air pump, then the centrifugal fan 8 is installed in the casing 1, and the air exhaust end of the centrifugal fan 8 is placed in the air exhaust chamber 3, and the air exhaust end of the centrifugal fan 8 is placed in the air pumping chamber 2; on the other hand set up air feed port 4, gas vent 5, inflation inlet 6 and disappointing mouth 7 on casing 1 respectively, when the air pump was installed on inflatable product 100, air feed port 4 and gas vent 5 correspond respectively and communicate in the outside of inflatable product 100 (so that the outside air of inflatable product can get into inside the air pump from air feed port 4, also so that the inside air of air pump can outwards be discharged to the external world from gas vent 5), and inflation inlet 6 and disappointing mouth 7 then correspond respectively and communicate in the inner chamber of inflatable product 100 (so that the air pump aerifys the inner chamber of inflatable product 100 through inflation inlet 6, realize the inflation effect, also so that the air pump takes out the air of the inner chamber of inflatable product 100 through disappointing mouth 7, realize disappointing the effect); finally, a first movable valve 9 and a second movable valve 10 are respectively installed in the housing 1 of the air pump, and the reciprocating movement of the first movable valve 9 can alternately close the air supply port 4 and the air release port 7 (i.e. when the first movable valve 9 moves to the air supply port 4 and closes the air supply port 4, the air release port 7 is in an open state, conversely, when the first movable valve 9 moves to the air release port 7 and closes the air release port 7, the air supply port 4 is in an open state), and the reciprocating movement of the second movable valve 10 can alternately close the air exhaust port 5 and the air charging port 6 (i.e. when the second movable valve 10 moves to the air exhaust port 5 and closes the air exhaust port 5, the air charging port 6 is in an open state, and conversely, when the second movable valve 10 moves to the air charging port 6 and closes the air charging port 6, the air exhaust port 5 is in an open state). Through the air pump structure, as shown in fig. 1 to fig. 6 and with reference to the schematic diagram of fig. 7, when the inflatable product needs to be inflated, the first movable valve 9 can be controlled to close the air release opening 7 (at this time, the air supply opening 4 is in an open state), and the second movable valve 10 is controlled to close the air outlet 5 (at this time, the air charge opening 6 is in an open state), after the centrifugal fan 8 rotates, under the suction action of the air exhaust end of the centrifugal fan 8, the external air can enter the air exhaust cavity 2 inside the air pump through the air supply opening 4, and under the pushing action of the air exhaust end of the centrifugal fan 8, the air entering the air exhaust cavity 2 can be pushed into the air exhaust cavity 3, and along with the flow of the air, the air in the air exhaust cavity 3 can continuously enter the inner cavity of the inflatable product 100 through the air charge opening 6, so as to achieve the inflation effect. Referring to fig. 1 to 6 in combination with the schematic diagram of fig. 8, after the inflation is completed, the first movable valve 9 and the second movable valve 10 are operated to respectively close the air inlet 4 and the air outlet 5, so that the air pumping chamber 2 and the air outlet chamber 3 inside the air pump cannot be communicated with the outside, the whole air pump is in a closed state, and thus it is ensured that the air in the inner chamber of the inflatable product cannot leak outwards, and the inflatable product 100 is maintained in an inflated state. On the contrary, as shown in fig. 1 to fig. 6 in combination with the schematic diagram of fig. 9, when the inflatable product needs to be deflated, the first movable valve 9 can be controlled to close the air supply port 4 (at this time, the air release port 7 is in an open state), and the second movable valve 10 is controlled to close the air release port 6 (at this time, the air exhaust port 5 is in an open state), after the centrifugal fan 8 rotates, under the suction action of the air exhaust end of the centrifugal fan 8, the air in the inner cavity of the inflatable product can enter the air exhaust cavity 2 inside the air pump through the air release port 7, and under the pushing action of the air exhaust end of the centrifugal fan 8, the air entering the air exhaust cavity 2 can be pushed into the air exhaust cavity 3, and along with the flow of the air, the air in the air exhaust cavity 3 can be discharged to the outside through the air exhaust port 5, thereby achieving the air release effect. According to the above, the utility model discloses an air pump structure only need a fan and dispose a motor alright in order to realize aerifing the function and disappointing the function, need supporting control circuit to also can retrench more undoubtedly to can help simplifying the inner structure of air pump, reduce the manufacturing cost of air pump, can be favorable to reducing the whole volume of air pump simultaneously, avoid taking too much installation space in aerifing the product, make the air pump device can better adapt to miniature product of aerifing.

Specifically, as shown in fig. 10, a rotating motor 45 that powers the centrifugal fan 8 may be installed in the air pumping chamber 2 to make full use of the inner space of the air pump device, making the inner structure of the air pump device more compact.

In one embodiment, as shown in fig. 1 to 7, the housing 1 includes an outer support box 18 and an inner support box 19, the outer support box 18 and the inner support box 19 are detachably connected to each other, and when the air pump is disposed on the inflatable product 100, the outer support box 18 corresponds to the outside of the inflatable product 100, and the inner support box 19 corresponds to the inner cavity of the inflatable product 100. The air supply port 4 and the air exhaust port 5 are respectively arranged on the outer bracket box 18 and are communicated with the outside of the inflatable product 100 through the outer bracket box 18, and the inflation port 6 and the air release port 7 are respectively arranged on the inner bracket box 19 and are communicated with the inner cavity of the inflatable product 100 through the inner bracket box 19.

Specifically, as shown in fig. 1 and 2, a face plate 31 is provided on an outer surface of the outer bracket case 18, a cavity 32 is formed inside the outer bracket case 18, the face plate 31 is fixedly joined to and joined to a top opening of the cavity 32, a plurality of through holes 33 are formed in an array on a surface of the face plate 31, an air supply port 4 and an air discharge port 5 are formed at a bottom of the cavity 32 and communicate with the cavity 32, the air supply port 4 and the air discharge port 5 communicate with the respective through holes 33 of the face plate 31 through the cavity 32, so that external air can enter the cavity 32 through the respective through holes 33 and continue to the air supply port 4, and air discharged from the air discharge port 5 to the outside can first enter the cavity 32 and then be discharged to the outside through the respective through holes 33, so that the inside of the air pump can be communicated with the outside.

In one embodiment, as shown in fig. 4, a first spring 11 is installed on the first movable valve 9, and a second spring 12 is installed on the second movable valve 10, the first movable valve 9 is urged to maintain the closed air supply port 4 by the spring force of the first spring 11, and the second movable valve 10 is urged to maintain the closed air discharge port 5 by the spring force of the second spring 12.

It can be understood that the elastic pushing force of the first spring 11 and the second spring 12 can be used to make the first movable valve 9 and the second movable valve 10 keep closing the gas supply port 4 and the gas exhaust port 5, respectively, so as to realize that the gas supply port 4 and the gas exhaust port 5 can be kept in the normally closed state, and especially after the gas pump device completely inflates the inflatable product 100, as long as the control force on the first movable valve 9 is released, the first spring 11 can reset to push the first movable valve 9 to return to the original position, and the gas supply port 4 is re-closed to prevent the gas in the inner cavity of the inflatable product 100 from leaking out, so that the inflated state of the inflatable product 100 can be kept.

In one embodiment, as shown in fig. 4, 11, 12 and the corresponding drawings, a rotating body 13 is further installed in the housing 1, the first movable valve 9 and the second movable valve 10 are symmetrically distributed on two opposite sides of the rotating body 13, and the first movable valve 9 and the second movable valve 10 are respectively in driving contact with the rotating body 13, so that linkage can be formed between the rotating body 13 and the first movable valve 9, and between the rotating body 13 and the second movable valve 10, while in the present embodiment, the first movable valve 9 and the second movable valve 10 are respectively driven to overcome the spring force and move by positive and negative rotation of the rotating body 13, specifically, in the present embodiment, as shown in fig. 11, when the rotating body 13 rotates counterclockwise, the first movable valve 9 can be driven to overcome the spring force of the first spring 11 and move, and in contrast, as shown in fig. 12, when the rotating body 13 rotates clockwise, the second movable valve 10 can be driven to overcome the spring force of the second spring 12 and move. As shown in fig. 11, when the first movable valve 9 overcoming the spring force of the first spring 11 is moved, the first movable valve 9 opens the supply port 4 and simultaneously closes the discharge port 7, and similarly, as shown in fig. 12, when the second movable valve 10 overcoming the spring force of the second spring 12 is moved, the second movable valve 10 opens the discharge port 5 and simultaneously closes the charge port 6.

It can be understood that, with the above structure, the first movable valve 9 and the second movable valve 10 can be driven in turn to overcome the action of the spring to move by controlling the positive and negative rotation of the rotating body 13, which is equivalent to that the first movable valve 9 and the second movable valve 10 can be selectively driven by controlling the rotation direction of the rotating body 13, so as to assist in realizing the inflation function and the deflation function of the air pump device, and the operation is convenient. And when the operating force to the rotating body 13 is stopped, the rotating body 13 can not push the first movable valve 9 and the second movable valve 10 any more, and at this time, the first spring 11 and the second spring 12 can push the first movable valve 9 and the second movable valve 10 to move again, so that the air supply port 4 and the air exhaust port 5 can be closed again. Consequently just can realize the round trip movement of first movable valve 9 simply through above-mentioned structure (realize letting first movable valve 9 seal air supply mouth 4 and disappointing mouth 7 in turn through the round trip movement), realize the round trip movement of second movable valve 10 (realize letting second movable valve 10 seal gas vent 5 and inflation inlet 6 in turn through the round trip movement) in order to help realizing the utility model discloses air pump device aerify, lose heart function.

In one embodiment, as shown in fig. 1, 4, 5, 13, 14, 15, and 16, a rotary switch 14 is further installed on the housing 1, a shift lever 15 is fixedly installed on the rotary switch 14, the rotary body 13 includes a central rotary shaft 16 and a V-shaped plate 17, the central rotary shaft 16 is integrally formed at a rotation center of the V-shaped plate 17, the shift lever 15 extends outward to an inner side of the V-shaped plate 17, and as shown in fig. 13 to 16, when the shift lever 15 swings from the inner center of the V-shaped plate 17 to an outer end of the V-shaped plate 17, the shift lever 15 synchronously shifts the V-shaped plate 17 around the central rotary shaft 16 to deflect, and the first movable valve 9 and the second movable valve 10 are symmetrically distributed at opposite sides of the central rotary shaft 16 and respectively drive and abut against outer sides of the V-shaped plate 17, when the rotary switch 14 is controlled to rotate, the shift lever 15 is driven to swing back and forth by the forward rotation of the rotary switch 14, and forward rotation of the V-shaped plate 17 is driven by the forward and backward rotation of the shift lever 17, so that the first movable valve 9 and the second movable valve 10 are alternately against the spring force. That is, in this embodiment, as shown in fig. 14 and 15, when the control knob switch 14 rotates clockwise, the knob switch 14 synchronously drives the shift lever 15 to shift the V-shaped plate 17 to deflect counterclockwise, the V-shaped plate 17 after deflection counterclockwise drives the first movable valve 9 downward to overcome the first spring 11, so as to move the first movable valve 9, and conversely, as shown in fig. 14 and 16, when the control knob switch 14 rotates counterclockwise, the knob switch 14 synchronously drives the shift lever 15 to shift the V-shaped plate 17 to deflect clockwise, the V-shaped plate 17 after deflection clockwise drives the second movable valve 10 downward to overcome the second spring 12, so as to move the second movable valve 10. Specifically, in the present embodiment, the rotary switch 14 is rotatably mounted on the outer holder case 18, and the rotation shaft of the rotary switch 14 is located in the cavity 32 of the outer holder case 18, while the rotation knob of the rotary switch 14 is exposed on the surface of the panel 31.

It can be understood that, with the above structure, the rotary switch 14 can be linked with the first movable valve 9 and the second movable valve 10 respectively under the driving action of the shift lever 15 and the V-shaped plate 17, that is, the movement of the first movable valve 9 and the second movable valve 10 can be controlled by the rotary switch 14. The user can overcome the spring effort respectively and produce the removal in order to drive first movable valve 9 and second movable valve 10 through the just reversal of the outside control knob switch 14 of air pump in turn when using the air pump, is equivalent to as long as through the direction of rotation of control knob switch 14, just can selectively drive first movable valve 9 and second movable valve 10, helps realizing the function of aerifing and the function of disappointing of air pump device, convenient operation.

In one embodiment, as shown in fig. 13-16, the length directions of the shift lever 15, the first spring 11, and the second spring 12 are all perpendicular to the rotation plane of the knob switch 14.

It can be understood that the length directions of the shift lever 15, the first spring 11 and the second spring 12 are perpendicular to the rotation plane of the rotary switch 14, respectively, and the shift lever 15 is also parallel to the first spring 11 and the second spring 12, respectively, by this structure, when the V-shaped plate 17 is in the deflected state (clockwise or counterclockwise state), as shown in fig. 15 or 16, the shift lever 15 reaches the free end of the outer end of the V-shaped plate 17, and applies a pushing force to the first spring 11 or the second spring 12 from the free end of the V-shaped plate 17, so that the springs are compressed, at this time, the first spring 11 or the second spring 12 will generate a reverse acting force to the shift lever 15, and since the direction of the reverse acting force is perpendicular to the rotation plane of the rotary switch 14, the rotary switch 14 cannot be pushed to rotate in a resetting manner, that is, after the shift lever 15 is driven by the rotary switch 14 to push the V-shaped plate 17 to deflect, the first spring 11 on the first movable valve 9 and the second spring 12 on the second movable valve 10 cannot push the rotary switch 14 in a resetting manner, so that the second spring 14 can be pushed in a resetting state by a simple and automatic air pump can be operated, and the second spring can be pushed in a simple state.

In one embodiment, as shown in fig. 1, 2, 4 and 5, the suction chamber 2 and the exhaust chamber 3 are formed in an inner frame box 19, a first mounting sleeve 20 and a second mounting sleeve 21 are respectively formed on the inner frame box 19, wherein one end of the first mounting sleeve 20 is upwards butted and communicated with the air supply port 4, the other end is downwards butted and communicated with the suction chamber 2, the air release port 7 is opened on the side wall of the first mounting sleeve 20, the first movable valve 9 is slidably sleeved in the first mounting sleeve 20, and the air supply port 4 and the air release port 7 are alternately closed by the up-and-down linear reciprocating movement of the first movable valve 9 in the first mounting sleeve 20; on the other hand, one end of the second mounting sleeve 21 is butted upwards and communicated with the exhaust port 5, the other end of the second mounting sleeve is butted downwards and communicated with the exhaust cavity 3, the inflation inlet 6 is arranged on the side wall of the second mounting sleeve 21, the second movable valve 10 is sleeved in the second mounting sleeve 21 in a sliding mode, and the exhaust port 5 and the inflation inlet 6 are sealed in turn through the up-and-down linear reciprocating movement of the second movable valve 10 in the second mounting sleeve 21.

It can be understood that the first mounting sleeve 20 can limit the moving direction of the first movable valve 9 to be a linear direction, and the second mounting sleeve 21 can limit the moving direction of the second movable valve 10 to be a linear direction, and through the above-mentioned structural scheme, it can be easily realized that the air supply port 4 and the air release port 7 can be alternately sealed by the first movable valve 9 in the process of linear reciprocating movement, and the air discharge port 5 and the air charging port 6 can be alternately sealed by the second movable valve 10 in the process of linear reciprocating movement.

Specifically, as shown in fig. 1, fig. 2, fig. 4, fig. 5 and fig. 19, the inner bracket box 19 is provided with a first through hole 39 at a position corresponding to the bottom of the first mounting sleeve 20, and the first through hole 39 is communicated with the air suction cavity 2 in the inner bracket box 19, so that the interior of the first mounting sleeve 20 can be communicated with the air suction cavity 2 through the first through hole 39, so as to facilitate air flow. The inner bracket box 19 is provided with a second through hole 40 on the side wall of the first mounting sleeve 20, and the second through hole 40 communicates with the exhaust cavity 3 in the inner bracket box 19, so that the inside of the second mounting sleeve 21 can communicate with the exhaust cavity 3 through the second through hole 40.

In one embodiment, as shown in fig. 17, 18 and corresponding reference figures, the first movable valve 9 comprises a first valve plate 22, a first spring column 23 and a first side valve plate 24, the first valve plate 22 is slidably sleeved in the first mounting sleeve 20, the first spring column 23 is fixed on the bottom plate surface of the first valve plate 22 and is positioned in the first mounting sleeve 20, the first side valve plate 24 is integrally formed on the side edge of the first valve plate 22 and corresponds to one side of the air release opening 7, the first spring 11 is sleeved on the first spring column 23 and elastically drives the first valve plate 22 to keep upwards closing the air supply opening 4; as shown in fig. 17, 18 and fig. 11, after the first valve plate 22 is driven by the counterclockwise deflection of the V-shaped plate 17 to overcome the spring force of the first spring 11 and move downward, the first valve plate 22 opens the air supply port 4 and simultaneously drives the first side valve plate 24 to close the air release port 7; therefore, the first movable valve 9 can seal the air supply port 4 when moving upwards and seal the air release port 7 when moving downwards, and alternately seal the air supply port 4 and the air release port 7 through linear movement. On the other hand, the second movable valve 10 includes a second valve plate 25, a second spring post 26 and a second side valve plate 27, the second valve plate 25 is slidably sleeved in the second mounting sleeve 21, the second spring post 26 is fixed on the bottom plate surface of the second valve plate 25 and is located in the second mounting sleeve 21, the second side valve plate 27 is integrally formed on the side of the second valve plate 25 and corresponds to one side of the gas charging port 6, the second spring 12 is sleeved on the second spring post 26 and elastically urges the second valve plate 25 to keep closing the gas discharging port 5; as shown in fig. 17, 18 and 12, when the second valve plate 25 is driven to overcome the spring force of the second spring 12 and move downward by the deflection of the V-shaped plate 17, the second valve plate 25 opens the exhaust port 5 and simultaneously drives the second side valve plate 27 to close the charging port 6. And the exhaust port 5 can be sealed when the second movable valve 10 moves upwards, the inflation inlet 6 can be sealed when the second movable valve moves downwards, and the exhaust port 5 and the inflation inlet 6 are alternately sealed through linear movement in turn.

Specifically, as shown in fig. 17 and 18, the top plate surfaces of the first valve plate 22 and the second valve plate 25 are respectively fixed with a first sealing ring 46 and a second sealing ring 47, the first valve plate 22 can better seal the air supply port 4 through the first sealing ring 46, and the second valve plate 25 can better seal the air discharge port 5 through the second sealing ring 47.

Specifically, as shown in fig. 19, the bottom portions of the first mounting sleeve 20 and the second mounting sleeve 21 are respectively and fixedly formed with a supporting plate 43, the plate surface of each supporting plate 43 is respectively and integrally formed with a spring supporting cylinder 42, the lower ends of the first spring column 23 and the second spring column 26 are respectively sleeved in each spring supporting cylinder 42, so that the first valve plate 22 and the second valve plate 25 are stably assembled, and the first spring 11 and the second spring 12 are respectively sleeved outside each spring supporting cylinder 42 and also respectively abut against the plate surface of each supporting plate 43.

In one embodiment, as shown in fig. 20, 21 and 22, an electronic control switch 28 is installed inside the outer rack box 18, the rotary switch 14 is hinged on the outer rack box 18, at least two shifting pieces 29 are fixed around the outer wall of the hinge shaft of the rotary switch 14, each shifting piece 29 can respectively touch the electronic control switch 28 along with the forward and reverse rotation of the rotary switch 14 and synchronously trigger the electronic control switch 28 to start the centrifugal fan 8, that is, whether the rotary switch 14 rotates clockwise or counterclockwise, the electronic control switch 28 can be respectively touched by each shifting piece 29 to trigger the electronic control switch 28 to start the centrifugal fan 8 to rotate.

It can be understood that, due to the above structure, when the knob switch 14 rotates, not only the driving lever 15 can be driven to drive the V-shaped plate 17 to deflect, but also the electric control switch 28 can be synchronously triggered by the respective shifting pieces 29 to start the rotating motor 45 to drive the centrifugal fan 8, so that the inflation function and the deflation function of the air pump device can be more easily realized.

In one embodiment, as shown in fig. 1 and 2, a receiving cavity 30 for receiving the power cord is integrally formed in the outer housing 18, so as to facilitate the receiving of the power cord. Specifically, the opening of the housing chamber 30 is covered with a cover plate 38, and one side of the cover plate 38 is hinged to the outer bracket box 18, so that the housing chamber 30 can be opened or closed using the cover plate 38.

In one embodiment, as shown in fig. 23 in combination with fig. 14, two socket seats 34 are integrally formed in the external bracket box 18, and the two ends of the central rotating shaft 16 in the middle of the V-shaped plate 17 are slidably sleeved in the socket seats 34, respectively, so that the central rotating shaft 16 is hinged to realize the rotatable arrangement of the V-shaped plate 17.

In one embodiment, as shown in fig. 14, a protrusion 35 is formed on a surface of the V-shaped plate 17, a cross section of the protrusion 35 is triangular, the protrusion 35 extends along a swinging direction of the shift lever 15, a distal end of the shift lever 15 abuts against the protrusion 35 during rotation of the shift lever 15 with the rotary switch 14, and the shift lever 15 applies a pushing force to the V-shaped plate 17 by abutting against the protrusion 35.

It can be understood that there is the sand grip 35 at the surperficial integrated into one piece of V-arrangement board 17, it also is formed with the cell body corresponding to sand grip 35 to mean that the plastic mold who produces V-arrangement board 17, the cross section of cell body is triangle-shaped equally, so just can be convenient for repair the mould, repair the degree of depth of cell body through processing promptly, adjust the height of sand grip 35, in order to ensure that the inside sand grip 35 of the air pump device who produces can with driving lever 15 mutual butt, and then ensured driving lever 15 can promote V-arrangement board 17, be favorable to the production and the assembly of air pump product.

In one embodiment, as shown in fig. 17, 18 and fig. 11 and 12, the first and second movable valves 9 and 10 further include a first transmission plate 36 and a second transmission plate 37, respectively, and the first and second transmission plates 36 and 37 are integrally formed on the plate surfaces of the first and second valve plates 22 and 25, respectively, wherein the upper ends of the first and second transmission plates 36 and 37 abut against the bottoms of the left and right ends of the V-shaped plate 17, respectively.

It can be understood that the first driving plate 36 and the second driving plate 37 are respectively and integrally formed on the surfaces of the first valve plate 22 and the second valve plate 25, which also means that the produced plastic mold is also respectively formed with groove bodies corresponding to the first driving plate 36 and the second driving plate 37, so that the mold repair can be facilitated, that is, the depth of the groove bodies is trimmed through machining, and the height of the first driving plate 36 or the second driving plate 37 is adjusted to ensure that the first driving plate 36 and the second driving plate 37 inside the produced air pump device can be always abutted against the V-shaped plate 17, thereby ensuring that the V-shaped plate 17 can push the first valve plate 22 and the second valve plate 25, and facilitating the production and assembly of the air pump product.

Specifically, as shown in fig. 23 and by comparing fig. 11, 17 and 18, four guide rails 44 are integrally formed on the outer bracket box 18, wherein two of the guide rails 44 are respectively slidably sleeved on the first transmission plate 36 at two opposite sides of the first transmission plate 36, and the other two guide rails 44 are respectively slidably sleeved on the second transmission plate 37 at two opposite sides of the second transmission plate 37, so that the first transmission plate 36 and the second transmission plate 37 can be ensured to move up and down more stably.

Based on the above, as shown in fig. 1 to 23, the working principle of the present embodiment is as follows:

when the inflatable product 100 needs to be inflated, the knob switch 14 is manually operated to rotate clockwise to drive the shift lever 15 to swing and push the V-shaped plate 17 to deflect counterclockwise, so as to push the first valve plate 22 to move downward, so that the first valve plate 22 opens the air supply port 4, and drives the first side valve plate 24 to close the air release port 7, the centrifugal fan 8 also rotates synchronously, under the suction action of the air exhaust end of the centrifugal fan 8, the outside air enters the air supply port 4 through the through hole 33 on the panel 31 and the vent hole formed in the knob switch 14, and can enter the air exhaust chamber 2 inside the air pump through the air supply port 4, meanwhile, under the pushing action of the air exhaust end of the centrifugal fan 8, the air entering the air exhaust chamber 2 can be pushed into the air exhaust chamber 3, and along with the flow of the air, the air in the air exhaust chamber 3 can continuously enter the inner cavity of the inflatable product 100 through the inflation port 6, so as to achieve the inflation effect;

after the inflation is finished, the knob switch 14 is reset to rotate to the middle position, the poking sheet 29 is also synchronously separated from the electric control switch 28, the centrifugal fan 8 stops rotating, and meanwhile, under the reset pushing action of the first spring 11, the first valve plate 22 is pushed to reset to move upwards to close the air supply port 4 again, the air supply port 4 and the air exhaust port 5 are both in a closed state, so that the air exhaust cavity 2 and the air exhaust cavity 3 in the air pump cannot be communicated with the outside, and the whole air pump is in a closed state, so that the air in the inner cavity of the inflatable product 100 cannot leak outwards, and the inflatable product 100 can be kept in an inflated state;

when the inflatable product 100 needs to be deflated, the knob switch 14 is manually operated to rotate counterclockwise, the shift lever 15 is driven to swing and push the V-shaped plate 17 to deflect clockwise, so as to push the second valve plate 25 to move downward, the second valve plate 25 opens the exhaust port 5, and the second side valve plate 27 is driven to close the inflation port 6, the centrifugal fan 8 also rotates synchronously, under the suction action of the air exhaust end of the centrifugal fan 8, the air in the inner cavity of the inflatable product can enter the air exhaust cavity 2 inside the air pump through the air exhaust port 7, and meanwhile, under the pushing action of the air exhaust end of the centrifugal fan 8, the air entering the air exhaust cavity 2 can be pushed into the air exhaust cavity 3, along with the flowing of the air flow, the air in the air exhaust cavity 3 can continuously flow to the through hole 33 on the panel 31 through the exhaust port 5, and finally is discharged to the outside through the through hole 33 on the panel 31 and the through hole on the knob switch 14, thereby achieving the deflation effect.

According to the above, the utility model discloses an air pump structure only need a fan and dispose a motor alright in order to realize aerifing the function and disappointing the function, need supporting control circuit to also can retrench more undoubtedly to can help simplifying the inner structure of air pump, reduce the manufacturing cost of air pump, can be favorable to reducing the whole volume of air pump simultaneously, avoid taking too much installation space in aerifing the product, make the air pump device can better adapt to miniature product of aerifing.

Finally, it should be noted that in the description of the present specification, reference to the description of the term "one embodiment", "some embodiments", "an example", "a specific example", or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction. Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims (10)

1. The utility model provides an improved generation air pump device, includes casing (1), its characterized in that, it has air exhaust chamber (2) and air exhaust chamber (3) to separate in casing (1), air supply mouth (4), gas vent (5), inflation inlet (6) and disappointing mouth (7) have been seted up on casing (1) respectively, air supply mouth (4) and gas vent (5) are used for respectively corresponding and communicate in the outside of aerifing the product, inflation inlet (6) and disappointing mouth (7) are used for respectively corresponding and communicate in the inner chamber of aerifing the product, air supply mouth (4) and disappointing mouth (7) communicate respectively air exhaust chamber (2), gas vent (5) with inflation inlet (6) communicate respectively air exhaust chamber (3) still include:

the centrifugal fan (8) is arranged in the shell (1), the exhaust end of the centrifugal fan (8) is positioned in the exhaust cavity (3), and the air exhaust end of the centrifugal fan (8) is positioned in the air exhaust cavity (2);

the first movable valve (9), the said first movable valve (9) closes the said air supply port (4) and air escape port (7) in turn through moving back and forth;

the second movable valve (10) is used for sealing the exhaust port (5) and the inflation port (6) in turn by moving back and forth, and the second movable valve (10) is arranged on the air inlet and the air outlet.

2. An improved air pump device according to claim 1, characterized in that a first spring (11) is arranged on the first movable valve (9), and the first movable valve (9) is driven by the spring force of the first spring (11) to keep closing the air supply port (4);

and a second spring (12) is arranged on the second movable valve (10), and the second movable valve (10) is driven to keep closing the exhaust port (5) by the spring acting force of the second spring (12).

3. The improved air pump device as claimed in claim 2, further comprising a rotating body (13), wherein the first movable valve (9) and the second movable valve (10) are symmetrically distributed on two opposite sides of the rotating body (13) and are respectively in transmission abutment with the rotating body (13), and the first movable valve (9) and the second movable valve (10) are respectively driven to overcome the action force of a spring and move in turn through the forward and reverse rotation of the rotating body (13); wherein:

overcoming the action force of a spring and generating a moved first movable valve (9) to open the air supply port (4) and simultaneously close the air release port (7);

overcoming the force of the spring and producing a second movable valve (10) after movement opens the exhaust port (5) and simultaneously closes the charging port (6).

4. The improved air pump device according to claim 3, further comprising a knob switch (14), wherein a shift lever (15) is disposed on the knob switch (14), the rotating body (13) comprises a central rotating shaft (16) and a V-shaped plate (17), the central rotating shaft (16) is disposed at a rotating center of the V-shaped plate (17), the shift lever (15) extends outwards to an inner side of the V-shaped plate (17) and when the shift lever (15) swings from the center of the V-shaped plate (17) to an outer end of the V-shaped plate (17), the shift lever (15) synchronously shifts the V-shaped plate (17) to deflect around the central rotating shaft (16), the first movable valve (9) and the second movable valve (10) are symmetrically distributed on two opposite sides of the central rotating shaft (16) and are respectively in transmission abutment with an outer side of the V-shaped plate (17);

the shifting rod (15) is driven to swing back and forth through the forward and reverse rotation of the knob switch (14), the V-shaped plate (17) is shifted to rotate back and forth through the reciprocating swing of the shifting rod (15), and the first movable valve (9) and the second movable valve (10) are driven to move through the forward and reverse rotation of the V-shaped plate (17) in turn by overcoming the action force of a spring respectively.

5. The improved air pump device as claimed in claim 4, wherein the length directions of the deflector rod (15), the first spring (11) and the second spring (12) are all perpendicular to the rotation plane of the knob switch (14).

6. Improved air pump device according to claim 4, characterized in that the housing (1) comprises an outer support box (18) and an inner support box (19) connected to each other; the outer support box (18) is used for corresponding to the outer side of an inflatable product, and the air supply port (4) and the air exhaust port (5) are respectively formed in the outer support box (18) and are communicated with the outside of the inflatable product through the outer support box (18); the inner support box (19) is used for corresponding to the inner cavity of an inflatable product, and the inflation port (6) and the air leakage port (7) are respectively arranged on the inner support box (19) and communicated with the inner cavity of the inflatable product through the inner support box (19).

7. The improved air pump device according to claim 6, wherein the air pumping chamber (2) and the air exhaust chamber (3) are formed in the inner support case (19), the inner support case (19) being formed thereon with a first mounting sleeve (20) and a second mounting sleeve (21), respectively, wherein:

one end of the first mounting sleeve (20) is in butt joint with and communicated with the air supply port (4), the other end of the first mounting sleeve is in butt joint with and communicated with the air pumping cavity (2), the air leakage port (7) is formed in the side wall of the first mounting sleeve (20), the first movable valve (9) is sleeved in the first mounting sleeve (20) in a sliding mode, and the air supply port (4) and the air leakage port (7) are sealed in turn through linear reciprocating movement of the first movable valve (9) in the first mounting sleeve (20);

second installation sleeve (21) one end butt joint and communicate in gas vent (5), the other end butt joint and communicate in exhaust chamber (3), inflation inlet (6) are seted up the lateral wall of second installation sleeve (21), second movable valve (10) slip cup joint are in second installation sleeve (21), through second movable valve (10) are in sharp round trip movement in the second installation sleeve (21) seals in turn gas vent (5) with inflation inlet (6).

8. The improved air pump device according to claim 7, characterized in that the first movable valve (9) comprises a first valve plate (22), a first spring column (23) and a first side valve plate (24), the first valve plate (22) is slidingly sleeved in the first mounting sleeve (20), the first spring column (23) is fixed on the plate surface of the first valve plate (22) and is positioned in the first mounting sleeve (20), the first side valve plate (24) is arranged at the side of the first valve plate (22) and corresponds to one side of the air relief opening (7), the first spring (11) is sleeved on the first spring column (23) and elastically drives the first valve plate (22) to keep closing the air supply opening (4); after the first valve plate (22) is driven to overcome the spring action force of the first spring (11) and move by means of deflection of the V-shaped plate (17), the first valve plate (22) opens the air supply opening (4) and simultaneously drives the first side valve plate (24) to close the air release opening (7);

the second movable valve (10) comprises a second valve plate (25), a second spring column (26) and a second side valve plate (27), the second valve plate (25) is slidably sleeved in the second mounting sleeve (21), the second spring column (26) is fixed on the surface of the second valve plate (25) and is positioned in the second mounting sleeve (21), the second side valve plate (27) is arranged on the side edge of the second valve plate (25) and corresponds to one side of the air charging port (6), the second spring (12) is sleeved on the second spring column (26) and elastically drives the second valve plate (25) to keep closing the air discharging port (5); after the second valve plate (25) is driven to overcome the spring force of the second spring (12) and move by means of deflection of the V-shaped plate (17), the second valve plate (25) opens the exhaust port (5) and simultaneously drives the second side valve plate (27) to close the inflation port (6).

9. The improved air pump device as claimed in claim 6, wherein an electric control switch (28) is arranged in the outer bracket box (18), the knob switch (14) is hinged on the outer bracket box (18), at least two shifting pieces (29) are arranged around the outer wall of a hinged shaft of the knob switch (14), and each shifting piece (29) can respectively touch the electric control switch (28) along with the forward and reverse rotation of the knob switch (14) and synchronously trigger the electric control switch (28) to start a rotating motor (45) to drive the centrifugal fan (8).

10. The improved air pump device as claimed in claim 6, wherein a receiving cavity (30) for receiving a power cord is provided in the outer bracket box (18).

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