CN217999920U - Air pump structure - Google Patents

Abstract

The utility model relates to an air pump technical field especially relates to an air pump structure, be in including support and rotationally setting rotating fan on the support still includes: the air guide pipe is used for being communicated with an inflatable product, the air guide pipe is rotatably arranged on the bracket, and one side of the air guide pipe is provided with a ventilation interface which can rotate along with the air guide pipe; the inflation port and the air release port are respectively arranged on the bracket; the first centrifugal fan blade and the second centrifugal fan blade are respectively and coaxially distributed on the front side and the back side of the rotating fan; the air inlet is communicated with the exhaust end of the first centrifugal fan blade, the air outlet is communicated with the air suction end of the second centrifugal fan blade, and the ventilation interface is driven by the rotation of the air guide tube to be respectively communicated with the air inlet and the air outlet. The utility model provides an air pump structure can not only possess simultaneously aerify and lose heart function, can help reducing the whole volume of air pump moreover, makes the air pump can adapt to small-size product of aerifing.

Description

Air pump structure

Technical Field

The utility model relates to an air pump technical field especially relates to an air pump structure.

Background

Air pumps, also known as "air pumps," are devices that remove air from an enclosed space or add air to an enclosed space. The air pumps on the market are mainly divided into electric air pumps and manual air pumps, the electric air pumps are air pumps taking electric power as power, air is compressed continuously through the electric power to generate air pressure, and the air pumps are mainly used for inflating inflatable products. At present, the air pump of prior art generally can be used for cooperateing with aerifing the product, lets the air pump install in aerifing the product, realizes the automatic charging to aerifing the product, can be fixed with on some large-scale aerifing the product and aerify the air pump, is equipped with the air inlet on aerifing the air pump, and when aerifing, the air inlet is opened, aerifys the air pump and can fill gas to the inner chamber of aerifing the product, aerifys the completion back, and the air inlet seals, prevents to aerify the interior gas of product and leaks. When the inflatable product needs to be deflated, the air discharging function of the air pump can be started, and air in the inflatable product is automatically discharged.

However, for a small-sized inflatable product, the air pump in the prior art is difficult to be directly installed in the inflatable product due to its large volume, because the side air pump in the prior art generally includes an inflation tube and an air release tube in the structure thereof, the inflation tube and the air release tube are respectively communicated with a fan, and the inflation and air release work of the inflation tube and the air release tube is realized by the respective operation of the two fans, which may cause the air pump product to have a larger volume, and occupy too much installation space when being configured in the inflatable product, and therefore, the side air pump is not suitable for being installed in a small-sized inflatable product; the other mode is that the inflation tube and the air release tube are respectively corresponding to the exhaust side and the air exhaust side of a single fan, so that the inflation and air release work of the inflation tube and the air release tube is realized, the mode can easily cause the great difference of the length and the width of the air pump product (such as small height and great length), the appearance of the air pump product is irregular, the size of the air pump product cannot be integrally reduced, more installation space is occupied, and the configuration of the air pump in the inflatable product is not facilitated. In addition, in order to reduce the volume of the air pump, the air pump can be configured in a small-sized inflatable product, the air leakage function of the air pump is cancelled and only the inflation function is reserved in the prior art, so that the purpose of reducing the volume of the air pump is achieved, the use experience of the product is influenced undoubtedly by the mode, and the inconvenience in use is caused.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an air pump structure can not only possess simultaneously aerify and lose heart function, can help reducing the whole volume of air pump moreover, makes the air pump can adapt to small-size product of aerifing.

The utility model relates to an air pump structure, be in including support and rotationally setting rotating fan on the support, its characterized in that still includes:

the air guide pipe is used for being communicated with an inflatable product, the air guide pipe is rotatably arranged on the bracket, and one side of the air guide pipe is provided with a ventilation interface which can rotate along with the air guide pipe;

the inflation port and the air release port are respectively arranged on the bracket;

the first centrifugal fan blade and the second centrifugal fan blade are respectively and coaxially distributed on the front side and the back side of the rotating fan;

the air inlet is communicated with the exhaust end of the first centrifugal fan blade, the air outlet is communicated with the air suction end of the second centrifugal fan blade, and the ventilation interface is driven by the rotation of the air guide tube to be respectively communicated with the air inlet and the air outlet.

According to the utility model discloses an air pump structure, be formed with the circular arc board on the support, inflation inlet and disappointing mouthful are seted up respectively on the circular arc board, the position that lies in on the circular arc board between inflation inlet and the disappointing mouth is formed with the closing surface, the port surface of ventilation interface is formed with the arc surface, the closing surface through laminate in the arc surface seals the ventilation interface.

According to the utility model discloses an air pump structure, still include the knob, still fixedly on the support be provided with starting switch, the knob is coaxial coupling in the air duct in order to drive the air duct and rotate, the relative both sides wall of knob is provided with first plectrum and second plectrum respectively;

when the knob is rotated to drive a ventilation interface on the air duct to be communicated with the inflation inlet, the knob synchronously drives the first shifting piece to trigger the starting switch; when the knob is rotated to drive the ventilation interface on the air duct to be communicated with the air leakage opening, the knob synchronously drives the second shifting piece to trigger the starting switch.

According to the utility model of an air pump structure, a valve plate is movably arranged at the pipe orifice of the air duct, a movable plate extending into the air duct is fixedly arranged at the back of the valve plate, and shoulder plates extending outwards are respectively formed at two opposite sides of the movable plate;

the two opposite sides of the inner wall of the air duct are respectively provided with a V-shaped groove, the two ends of the V-shaped groove are close to the pipe orifice of the air duct, and the bottom of the V-shaped groove is far away from the pipe orifice of the air duct;

the movable plate is sleeved with a spring, and the spring elastically pushes the movable plate to drive the shoulder plate to fall into the bottom of the V-shaped groove so as to drive the valve plate to approach the pipe orifice of the air guide pipe; when the V-shaped groove rotates along with the air guide tube, the V-shaped groove drives and guides the shoulder plate to move from the bottom of the V-shaped groove to the end part of the V-shaped groove so as to drive the valve plate to be far away from the tube opening of the air guide tube.

According to the utility model discloses an air pump structure, still include the shell, seted up on the shell butt joint in the orificial through-hole of air duct, valve plate cover in the through-hole, the fly leaf is followed the through-hole penetrates to in the air duct, the fixed spring holder that is provided with in center of through-hole, the end of fly leaf is formed with the fixture block, spring one end elasticity cup joint in the fixture block, other end elasticity butt in the spring holder.

According to the utility model discloses an air pump structure, the inboard of valve plate is fixed with the sealing ring, the sealing ring butt is in valve plate with between the through-hole.

According to the utility model discloses an air pump structure, the inboard peripheral of through-hole is encircleed and is provided with the collar, be formed with the outside convex location circular arc of a plurality of on the collar, the relative both sides of air duct outer wall are provided with respectively and lean out the bullet arm that extends, each the end of bullet arm elasticity respectively cup joint in and can follow in the collar the rotation of air duct falls into each in proper order the circular arc of location.

According to the utility model discloses an air pump structure, each the end of bullet arm be formed with respectively with the spheroid of location circular arc mutually supporting.

According to the utility model discloses an air pump structure, be formed with the sunken chamber of accomodating to inside on the shell, it is used for accomodating the electric wire to accomodate the chamber, the opening activity of accomodating the chamber is provided with the apron.

According to the utility model discloses an air pump structure, be provided with on the support the transmission connect in the motor of rotating fan, the motor is direct current motor to make the motor both can use battery class direct current, also can use the direct current that obtains by the alternating current conversion.

The utility model discloses an air pump structure, through set up inflation inlet and disappointing mouth on the support respectively and be in rotating fan just, reverse side coaxial first centrifugal flabellum of setting up and the centrifugal flabellum of second respectively, and let the inflation inlet communicate in the exhaust end of first centrifugal flabellum and let the disappointing mouth communicate in the centrifugal flabellum of second end of breathing in, the rotatable air duct of installation in the support simultaneously lets one side of air duct set up one can be along with air duct pivoted ventilation interface, so alright with drive through rotating the air duct the ventilation interface communicates respectively inflation inlet and disappointing mouth. When the air duct is rotated to enable the ventilation interface to be communicated with the inflation port, airflow discharged from the exhaust end of the first centrifugal fan blade can enter the ventilation interface through the inflation port, so that the airflow can be output outwards through the pipe orifice of the air duct, and the air duct can inflate an inflatable product; on the contrary, when rotatory the air duct lets the ventilation interface intercommunication during the disappointing mouth, the second centrifugal fan blade end of breathing in passes through the disappointing mouth intercommunication the ventilation interface, make the inside of air duct is because of the air lasts by the second centrifugal fan blade end of breathing in aspirates and forms the negative pressure, this moment the mouth of pipe of air duct alright with continuously absorbing the outside air, let the air duct can implement disappointing to aerifing the product. Through above-mentioned structure, can make the air pump possess simultaneously and aerify and lose heart function to only need a rotating fan and a pipeline alright in order to realize externally aerifing and externally disappointing, the structure becomes retrencied more, also helps the appearance of air pump to become the rule, finally can make the whole volume of air pump obviously reduce, when the air pump is installed in aerifing the product, just can not occupy too much installation space, realizes that the air pump can adapt to in small-size product of aerifing more.

Drawings

In order to more clearly illustrate the technical solutions of the present invention or the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that 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 these drawings without creative efforts.

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

fig. 2 is a schematic view of the overall structure of the present invention;

FIG. 3 is a schematic view of a partial structure of the present invention;

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

fig. 5 is a partial structural schematic diagram of the present invention;

fig. 6 is a partial structural schematic diagram of the present invention;

fig. 7 is a partial structural schematic diagram of the present invention;

fig. 8 is a partial structural schematic view of the present invention;

fig. 9 is a partial structural schematic view of the present invention;

FIG. 10 is a schematic cross-sectional view of the operation of the present invention;

FIG. 11 is a schematic cross-sectional view of the operation of the present invention;

FIG. 12 is a schematic sectional view illustrating the operation of the present invention;

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

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

fig. 15 is a partial structural schematic view of the present invention;

fig. 16 is a partial structural schematic view 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 view of the present invention;

fig. 24 is a partial structural schematic view of the present invention;

fig. 25 is a partial structural schematic view of the present invention;

fig. 26 is a partial structural schematic view of the present invention;

fig. 27 is a partial structural schematic view of the present invention;

fig. 28 is a partial structural schematic view of the present invention;

fig. 29 is a partial structural view of the present invention;

fig. 30 is a partial structural schematic view of the present invention;

fig. 31 is a partial structural schematic view of the present invention;

fig. 32 is a partial structural schematic view of the present invention;

fig. 33 is a partial structural view of the present invention;

fig. 34 is a partial schematic structural view of the present invention.

Reference numerals are as follows:

1. the air guide pipe is arranged on the central shaft, 2, the rotary fan, 3, the air guide pipe, 4, the ventilation interface, 5, the inflation inlet, 6, the air relief opening, 7, the first centrifugal fan blade, 8, the second centrifugal fan blade, 9, the circular arc plate, 10, the sealing surface, 11, the circular arc surface, 12, the starting switch, 13, the knob, 14, the first shifting piece, 15, the second shifting piece, 16, the valve plate, 17, the movable plate, 18, the shoulder plate, 19, the V-shaped groove, 20, the spring, 21, the housing, 22, the through hole, 23, the spring seat, 24, the clamping block, 25, the sealing ring, 26, the assembling ring, 27, the positioning circular arc, 28, the elastic arm, 29, the sphere, 30, the accommodating cavity, 31, the cover plate, 32, the motor, 33, the bottom shell, 34, the panel, 35, the stop gear, 36, the inflation gear, 37, the air relief gear, 38, the groove, 39, the exhaust hole, the air inlet, 40, the central shaft, 41, the central plate, 42, the circular ring plate, 43 and the ventilation gap.

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 12, an air pump structure comprises a bracket 1, a rotating fan 2, an air duct 3, a ventilation interface 4, an inflation inlet 5, an air release inlet 6, a first centrifugal fan blade 7 and a second centrifugal fan blade 8, wherein the rotating fan 2 is rotatably installed on the bracket 1, the air duct 3 is used for connecting an inflatable product, the air duct 3 is also rotatably installed on the bracket 1, the ventilation interface 4 is arranged on one side of the air duct 3, the ventilation interface 4 can rotate along with the air duct 3, the inflation inlet 5 and the air release inlet 6 are respectively arranged on the bracket 1, and the first centrifugal fan blade 7 and the second centrifugal fan blade 8 are coaxially distributed on the front side and the back side of the rotating fan 2. Wherein, inflation inlet 5 is close to the side in first centrifugal fan blade 7, so that inflation inlet 5 communicates in the exhaust end of first centrifugal fan blade 7, the center of rotation intercommunication of disappointing mouth 6 and second centrifugal fan blade 8, so that disappointing mouth 6 communicates in the end of breathing in of second centrifugal fan blade 8, rotation through air duct 3 can drive ventilation interface 4 and communicate inflation inlet 5 and disappointing mouth 6 respectively, in this embodiment, when 3 clockwise rotation certain angles of air duct, ventilation interface 4 communicates inflation inlet 5, when 3 anticlockwise rotation certain angles of air duct, ventilation interface 4 communicates disappointing mouth 6.

It can be understood that, in this embodiment, through seting up inflation inlet 5 and disappointing mouth 6 respectively on support 1, and just at the rotating fan 2, the reverse side is coaxial setting up first centrifugal fan blade 7 and second centrifugal fan blade 8 respectively, and let inflation inlet 5 communicate in the exhaust end of first centrifugal fan blade 7, and let disappointing mouth 6 communicate in second centrifugal fan blade 8 end of breathing in, simultaneously rotatable air duct 3 of installation in support 1, let one side of air duct 3 set up one can be along with air duct 3 pivoted ventilation interface 4, so alright with can drive ventilation interface 4 through rotating air duct 3 and communicate inflation inlet 5 and disappointing mouth 6 respectively. As shown in fig. 10 to 12 in conjunction with the corresponding drawings, when the air duct 3 is rotated clockwise to connect the ventilation interface 4 with the air charging port 5, the airflow discharged from the air discharging end of the first centrifugal fan blade 7 can enter the ventilation interface 4 through the air charging port 5, so that the airflow can be discharged outwards through the nozzle of the air duct 3, and the air duct 3 can charge the inflatable product; on the contrary, when anticlockwise rotation air duct 3 let the mouth 6 that loses heart of ventilation interface 4 intercommunication, second centrifugal fan blade 8 end of breathing in is through mouthful 6 intercommunication ventilation interface 4 that loses heart for the inside of air duct 3 is continuously breathed in by second centrifugal fan blade 8 end of breathing in and is formed the negative pressure because of the air, and the mouth of pipe of air duct 3 alright continuously absorbs the outside air this moment, lets air duct 3 can implement to aerify the product and lose heart. Through above-mentioned structure, can make the air pump possess simultaneously and aerify and lose heart function to only need a rotating fan and a pipeline alright in order to realize externally aerifing and externally disappointing, the structure becomes retrencied more, also helps the appearance of air pump to become the rule, finally can make the whole volume of air pump obviously reduce, when the air pump is installed in aerifing the product, just can not occupy too much installation space, realizes that the air pump can adapt to in small-size product of aerifing more.

In one embodiment, as shown in fig. 3 and 4, the bracket 1 is provided with a motor 32, the motor 32 is in transmission connection with the rotating fan 2, and when the motor 32 is started, the rotating fan 2 can be driven to rotate, and in addition, the motor 32 is a direct current motor, so that the motor 32 can use direct current of batteries or direct current obtained by converting alternating current, and the application range of the air pump is wider.

In one embodiment, as shown in fig. 1, the air pump further includes a housing 21, the bracket 1 is fixedly installed in the housing 21, the housing 21 is surrounded by a bottom case 33 and a panel 34, the panel 34 is provided with a plurality of air inlet and outlet holes 39, and the rotating fan 2 can suck or discharge air through the air inlet and outlet holes 39.

In one embodiment, as shown in fig. 7, an arc plate 9 is formed on the bracket 1, the air inflation opening 5 and the air release opening 6 are respectively formed on the arc plate 9, a sealing surface 10 is formed on the arc plate 9, the sealing surface 10 is located between the air inflation opening 5 and the air release opening 6, and in combination with fig. 6, an arc surface 11 is formed on a port surface of the ventilation interface 4, and the sealing surface 10 can seal the ventilation interface 4 by being attached to the arc surface 11.

It can be understood that, through above-mentioned structure, when air duct 3 did not take place the rotation, let ventilation interface 4 dock in the middle part of circular arc board 9 when the confining surface 10, can utilize confining surface 10 to seal ventilation interface 4, alright realize air duct 3 and isolated with rotatory fan 2 this moment, realize the stop state of air pump.

In one embodiment, as shown in fig. 2 and 3 in combination with fig. 13 and 14, a starting switch 12 is fixedly installed on the bracket 1, the starting switch 12 is used for starting the motor 32 to work, meanwhile, a knob 13 is rotatably installed on the panel 34, the knob 13 is coaxially connected to the air duct 3, in this embodiment, the top of the air duct 3 is a closed arrangement, so that the knob 13 can be connected with the top of the air duct 3, when the knob 13 is manually controlled to rotate, the air duct 3 can be synchronously driven to rotate, and the outer walls of two opposite sides of the knob 13 are respectively provided with a first stirring sheet 14 and a second stirring sheet 15, wherein, when the ventilation interface 4 on the air duct 3 is driven to communicate with the inflation inlet 5 by rotating the knob 13, the knob 13 synchronously drives the first stirring sheet 14 to touch the starting switch 12, so as to trigger the starting switch 12, and enable the motor 32 and the rotating fan 2 to rotate; similarly, when the knob 13 is rotated to drive the ventilation port 4 on the air duct 3 to communicate with the air release port 6, the knob 13 can also synchronously drive the second shifting piece 15 to touch the starting switch 12, so as to trigger the starting switch 12, and the motor 32 and the rotating fan 2 are rotated.

It can be understood that, with the above structure, no matter the air duct 3 is rotated clockwise or counterclockwise during the use of the air pump, the knob 13 can respectively start the rotating fan 2 through the first and second shifting pieces 14 and 15 on the opposite sides, and the operation is simple and convenient.

In one embodiment, as shown in fig. 1, several gear position indicators are disposed on the panel 34, which include a stop gear position 35, an inflation gear position 36 and a deflation gear position 37, the stop gear position 35, the inflation gear position 36 and the deflation gear position 37 are disposed around the outer circumference of the knob 13, and after the knob 13 is rotated, a handle on the knob 13 can correspond to one of the gear positions, so that a user can know the working state of the air pump and operate the air pump conveniently.

In an embodiment, as shown in fig. 15, 16, 17, 18, 19, and 20, a through hole 22 is formed in the housing 21 and connected to the nozzle of the airway tube 3, in this embodiment, the through hole 22 is formed in the bottom of the bottom shell 33 of the housing 21, a valve plate 16 is movably disposed at the nozzle of the airway tube 3, the valve plate 16 covers the through hole 22, a movable plate 17 is fixed to the back of the valve plate 16, the movable plate 17 extends into the airway tube 3, optionally, the movable plate 17 penetrates into the airway tube 3 from the through hole 22, outward extending shoulder plates 18 are respectively formed on two opposite sides of the movable plate 17, and as shown in fig. 21 to 24, V-shaped grooves 19 are respectively formed on two opposite sides of the inner wall of the airway tube 3, the V-shaped grooves 19 are close to the nozzle of the airway tube 3, two ends of the V-shaped grooves 19 are close to the nozzle of the airway tube 3, and the bottom of the V-shaped grooves 19 is far away from the nozzle of the airway tube 3. The movable plate 17 is sleeved with a spring 20, specifically, a spring seat 23 is fixedly disposed at the center of the through hole 22 on a bottom shell 33 of the housing 21, a latch 24 is formed at the end of the movable plate 17, one end of the spring 20 is elastically sleeved on the latch 24, and the other end of the spring 20 elastically abuts against the spring seat 23, so that the spring 20 can elastically push the movable plate 17 through the latch 24, and further can elastically push the valve plate 16. It can be seen that, under the elastic force of the spring 20, the spring 20 can push the movable plate 17 to drive the shoulder plate 18 to fall into the bottom of the V-shaped groove 19, and at this time, the valve plate 16 can be driven to close the orifice of the air guide tube 3, so as to seal the through hole 22 by the valve plate 16, and prevent the air flow in the air guide tube 3 from flowing. Similarly, when the V-shaped groove 19 rotates along with the airway tube 3 (clockwise or counterclockwise), under the guiding action of the V-shaped groove 19, the V-shaped groove 19 can drive and guide the shoulder plate 18 to move from the bottom of the V-shaped groove 19 to the end of the V-shaped groove 19, and at this time, the valve plate 16 can be driven away from the orifice of the airway tube 3, so as to open the through hole 22 by the valve plate 16, and allow the airflow in the airway tube 3 to circulate.

It can be understood that, with the above structure, in the process of using the air pump, the elastic acting force of the spring 20 and the guiding effect of the V-shaped groove 19 can be combined to realize the back-and-forth movement of the valve plate 16 in the axial direction, so as to realize the opening and closing of the air valve of the air pump, and the structure is simple and the operation is simple.

In one embodiment, as shown in fig. 20, 21 and 22, grooves 38 are formed at both ends of each V-shaped groove 19, and when the shoulder plate 18 moves from the bottom of the V-shaped groove 19 to the end of the V-shaped groove 19, the shoulder plate 18 can fall into the grooves 38 for positioning.

In one embodiment, as shown in fig. 17 to 20, a sealing ring 25 is fixed on the inner side of the valve plate 16, and the sealing ring 25 abuts between the valve plate 16 and the through hole 22. The sealing ring 25 can be used to ensure the sealing of the through hole 22 and prevent the gas in the inflatable product from leaking to the outside through the air pump, i.e. to prevent air leakage.

In one embodiment, as shown in fig. 23, fig. 24, fig. 26 and the corresponding drawings, a mounting ring 26 is disposed around the outer periphery of the inner side of the through hole 22, a plurality of positioning arcs 27 protruding outwards are formed on the mounting ring 26, spring arms 28 are respectively integrally formed on two opposite sides of the outer wall of the airway tube 3, the spring arms 28 on the two sides extend outwards in an inclined manner, when the airway tube 3 is mounted on the frame 1, the ends of the spring arms 28 on the two sides of the airway tube 3 are respectively elastically sleeved in the mounting ring 26, so that the airway tube 3 can be ensured to be stable during rotation, and the ends of the spring arms 28 on the two sides respectively fall into the positioning arcs 27 in sequence along with the rotation of the airway tube 3, so that the positioning arcs 27 can temporarily limit the movement of the spring arms 28 to lock the spring arms 28, so that the airway tube 3 can be positioned during rotation.

It can be understood that, with the above structure, in the process of using the air pump, when the air pump enters the inflation state or the deflation state, the positioning arcs 27 can be used to limit the elastic arm 28, so that the air duct 3 keeps a corresponding rotation angle, and the air pump can be maintained in the inflation state or the deflation state, however, when the air pump is in the stop state, the positioning arcs 27 can also be used to limit the elastic arm 28, so that the ventilation interface 4 on the air duct 3 keeps corresponding to the closed surface 10, so that the air duct 3 keeps in the closed state, and the air pump is maintained in the stop state.

In one embodiment, as shown in fig. 23 to 25 in combination with the corresponding drawings, the distal end of each spring arm 28 is formed with a ball 29 that is fitted into the positioning arc 27. This structure can utilize the cambered surface of spheroid 29 to contact with assembly ring 26 on the one hand, ensures the smooth and easy in the rotatory in-process of air duct 3, on the other hand can let the cooperation of location circular arc 27 and spheroid 29 make air duct 3 better locked.

In one embodiment, as shown in fig. 1 and 2, a receiving cavity 30 recessed inward is formed on the housing 21, in this embodiment, the receiving cavity 30 is formed on a panel 34, the receiving cavity 30 is used for receiving an electric wire, and a cover plate 31 is movably disposed at an opening of the receiving cavity 30. Therefore, the storage cavity 30 can be used for conveniently storing the electric wire of the air pump, and the cover plate 31 can control the opening and closing of the storage cavity 30, so that the air pump is simpler and easier to use.

In one embodiment, as shown in fig. 32, 33 and 34, the structure of the rotating fan 2 further includes a central shaft 40, a central plate 41 and a circular ring plate 42, the central plate 41 is fixed on the inner ring of the circular ring plate 42 and connected with the central shaft 40, meanwhile, the central plate 41 and the circular ring plate 42 are parallel to each other and form a ventilation gap 43 by being spaced apart from each other, the first centrifugal fan blade 7 is fixedly distributed on the front side of the circular ring plate 42, the second centrifugal fan blade 8 is fixedly distributed on the opposite side of the central plate 41, and finally, the central plate 41 and the circular ring plate 42 are fixedly connected by the abutting joint of the first centrifugal fan blade 7 and the second centrifugal fan blade 8 at the ventilation gap 43.

It can be understood that, with the above structure, when the rotating fan 2 rotates in one direction, the airflow discharged by the second centrifugal fan blade 8 in the rotating process can enter the first centrifugal fan blade 7 through the ventilation gap 43, so that the airflow can be smoothly discharged to the outside and the periphery, and then the center of the second centrifugal fan blade 8 can be ensured to normally form negative pressure, and the external air suction is realized. Consequently can realize finally that when rotary fan 2 unidirectional rotation, its openly outwards exhausts, its reverse side is the external inspiratory technological effect simultaneously, so effectively ensured the utility model discloses the technological effect that the air pump will reach.

The working principle of the embodiment is as follows:

when the air pump is in a stop state, the handle on the knob 13 corresponds to the stop gear 35 on the panel 34, the ventilation port 4 on one side of the air duct 3 corresponds to the sealing surface 10, the arc surface 11 and the sealing surface 10 are attached to each other, so that the sealing surface 10 seals the ventilation port 4, at the moment, the shoulder plate 18 is positioned at the bottom of the V-shaped groove 19, so that the sealing ring 25 on the back of the valve plate 16 is attached to the through hole 22 on the bottom shell 33, and the air duct 3 is in a closed state.

When the inflatable product needs to be inflated, the air pump needs to be switched to an inflation state, as shown in fig. 11, fig. 26, fig. 27, fig. 28, and fig. 29 in combination with the corresponding drawings, the knob 13 is manually controlled to rotate clockwise, the handle on the knob 13 is made to correspond to the inflation gear 36 on the panel 34, at this time, the air duct 3 also rotates clockwise, the ventilation interface 4 is made to communicate with the inflation port 5, and simultaneously, the V-shaped groove 19 in the air duct 3 drives and guides the shoulder plate 18 to move to the groove 38 at the end of the V-shaped groove 19, so that the movable plate 17 drives the valve plate 16 to move axially, the valve plate 16 is made to be away from the orifice of the air duct 3, the valve plate 16 is opened from the through hole 22, and the air duct 3 is switched to a conduction state. Meanwhile, the first plectrum 14 on the side wall of the knob 13 also triggers the starting switch 12, so that the motor 32 drives the rotating fan 2 to rotate, the air flow generated from one side of the first centrifugal fan blade 7 can sequentially pass through the air charging port 5, the ventilation interface 4 and the air duct 3, and finally is externally output to the inside of the inflatable product from the through hole 22, thereby realizing the inflation function.

When the inflatable product needs to be deflated, the air pump needs to be switched to the deflation state, as shown in fig. 12, fig. 30, and fig. 31 in combination with the corresponding figures, the manual control knob 13 rotates counterclockwise, the handle on the knob 13 corresponds to the deflation position 37 on the panel 34, at this time, the air duct 3 also rotates counterclockwise, the ventilation port 4 is communicated with the deflation port 6, and simultaneously, the V-shaped groove 19 in the air duct 3 drives and guides the shoulder plate 18 to move to the groove 38 at the other end of the V-shaped groove 19, so that the movable plate 17 drives the valve plate 16 to move axially, and the valve plate 16 is far away from the orifice of the air duct 3, so that the valve plate 16 is opened from the through hole 22, and the air duct 3 is in the conduction state. Meanwhile, the second plectrum 15 of knob 13 lateral wall also triggers starting switch 12, makes motor 32 drive the rotatory fan 2 rotatory for the inside of air duct 3 is continuously breathed in by second centrifugal fan blade 8 and is held the suction and form the negative pressure, and the mouth of pipe of air duct 3 alright continuously absorb outside air this moment, aerify the air in the product alright get into air duct 3 through-hole 22, let air duct 3 can implement the gassing to aerifing the product, realize disappointing the function.

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, it should be understood by those skilled in the art 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. An air pump structure, includes support (1) and rotationally sets up rotating fan (2) on support (1), its characterized in that still includes:

the air guide pipe (3) is used for communicating an inflatable product, the air guide pipe (3) is rotatably arranged on the bracket (1), and one side of the air guide pipe (3) is provided with a ventilation interface (4) which can rotate along with the air guide pipe (3);

the inflation inlet (5) and the deflation inlet (6) are respectively arranged on the bracket (1);

the first centrifugal fan blade (7) and the second centrifugal fan blade (8) are respectively and coaxially distributed on the front side and the back side of the rotating fan (2);

wherein, inflation inlet (5) communicate in the exhaust end of first centrifugal fan blade (7), disappointing mouthful (6) communicate in the end of breathing in of second centrifugal fan blade (8), through the rotation of air duct (3) can drive ventilation interface (4) communicate respectively inflation inlet (5) and disappointing mouthful (6).

2. The air pump structure according to claim 1, wherein an arc plate (9) is formed on the bracket (1), the inflation inlet (5) and the deflation inlet (6) are respectively arranged on the arc plate (9), a closed surface (10) is formed on the arc plate (9) at a position between the inflation inlet (5) and the deflation inlet (6), an arc surface (11) is formed on a port surface of the ventilation interface (4), and the closed surface (10) is closed by fitting the arc surface (11) to the ventilation interface (4).

3. The air pump structure according to claim 2, further comprising a knob (13), wherein the bracket (1) is further fixedly provided with a start switch (12), the knob (13) is coaxially connected to the air duct (3) to drive the air duct (3) to rotate, and two opposite side walls of the knob (13) are respectively provided with a first stirring sheet (14) and a second stirring sheet (15);

when the knob (13) is rotated to drive the ventilation interface (4) on the air duct (3) to be communicated with the inflation inlet (5), the knob (13) synchronously drives the first poking piece (14) to trigger the starting switch (12); through rotating knob (13) drives ventilation interface (4) intercommunication on air duct (3) during disappointing mouth (6), knob (13) drive in step second plectrum (15) trigger starting switch (12).

4. The air pump structure according to claim 3, wherein a valve plate (16) is movably disposed at the orifice of the air duct (3), a movable plate (17) extending into the air duct (3) is fixedly disposed at the back of the valve plate (16), and shoulder plates (18) extending outward are respectively formed at two opposite sides of the movable plate (17);

v-shaped grooves (19) are formed in two opposite sides of the inner wall of the air guide pipe (3), two ends of each V-shaped groove (19) are close to the pipe orifice of the air guide pipe (3), and the bottom of each V-shaped groove (19) is far away from the pipe orifice of the air guide pipe (3);

the movable plate (17) is sleeved with a spring (20), the spring (20) elastically pushes the movable plate (17) to drive the shoulder plate (18) to fall into the bottom of the V-shaped groove (19) so as to drive the valve plate (16) to approach the mouth of the air duct (3); when the V-shaped groove (19) rotates along with the air guide pipe (3), the shoulder plate (18) is driven and guided by the V-shaped groove (19) to move from the bottom of the V-shaped groove (19) to the end of the V-shaped groove (19) so as to drive the valve plate (16) to be far away from the pipe orifice of the air guide pipe (3).

5. The air pump structure of claim 4, further comprising a housing (21), wherein the housing (21) is provided with a through hole (22) butted with the orifice of the air duct (3), the valve plate (16) covers the through hole (22), the movable plate (17) penetrates into the air duct (3) from the through hole (22), a spring seat (23) is fixedly arranged at the center of the through hole (22), a clamping block (24) is formed at the tail end of the movable plate (17), one end of the spring (20) is elastically sleeved on the clamping block (24), and the other end of the spring elastically abuts against the spring seat (23).

6. Air pump structure according to claim 5, characterized in that a sealing ring (25) is fixed to the inner side of the valve plate (16), the sealing ring (25) abutting between the valve plate (16) and the through hole (22).

7. The air pump structure according to claim 5, characterized in that a mounting ring (26) is arranged around the periphery of the inner side of the through hole (22), a plurality of positioning arcs (27) protruding outwards are formed on the mounting ring (26), spring arms (28) extending outwards and inclining are respectively arranged on two opposite sides of the outer wall of the air duct (3), and the tail ends of the spring arms (28) are respectively elastically sleeved in the mounting ring (26) and can sequentially fall into the positioning arcs (27) along with the rotation of the air duct (3).

8. Air pump structure according to claim 7, characterized in that the distal end of each spring arm (28) is formed with a ball (29) which cooperates with the positioning arc (27).

9. The air pump structure according to claim 5, wherein a receiving cavity (30) recessed towards the inside is formed on the housing (21), the receiving cavity (30) is used for receiving an electric wire, and a cover plate (31) is movably arranged at an opening of the receiving cavity (30).

10. Air pump structure according to claim 1, characterized in that the bracket (1) is provided with a motor (32) in transmission connection with the rotating fan (2), and the motor (32) is a dc motor, so that the motor (32) can use either battery-type dc or dc converted from ac.

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