CN220705979U

CN220705979U - Internal and external dual-purpose pump convenient to switch

Info

Publication number: CN220705979U
Application number: CN202321797839.3U
Authority: CN
Inventors: 杨春华
Original assignee: Dongguan Hongsheng Metal & Plastic Technoloty Co ltd
Current assignee: Dongguan Hongsheng Metal & Plastic Technoloty Co ltd
Priority date: 2023-07-10
Filing date: 2023-07-10
Publication date: 2024-04-02
Anticipated expiration: 2033-07-10

Abstract

The utility model belongs to the technical field of air pumps, and particularly relates to an internal and external dual-purpose pump convenient to switch, which comprises a shell and a pump body detachably arranged in the shell, wherein the pump body comprises a shell and a containing cavity formed in the shell, a speed reduction motor set and a ventilation bracket are arranged in the containing cavity, a first through hole is formed in the bottom of the shell, a second through hole, an inflation switch and an air suction switch are arranged at the top of the shell, a third through hole is formed in the bottom of the shell, a dense air bracket is arranged in the first through hole, a dense air glue nail is arranged on the dense air bracket, and when the pump is used in combination, the third through hole is positioned above the first through hole. Compared with the prior art, the dual-purpose pump provided by the utility model comprises the shell and the pump body detachably arranged in the shell, and the inflation function or the air suction function can be switched only by pressing the inflation switch or the air suction switch, so that the pump body is not required to be additionally operated, and the dual-purpose pump is very convenient.

Description

Internal and external dual-purpose pump convenient to switch

Technical Field

The utility model belongs to the technical field of air pumps, and particularly relates to an internal and external dual-purpose pump convenient to switch.

Background

With the continuous rapid development of economy and the continuous improvement of living standards of residents, some fans in outdoor and indoor exercises increasingly prefer to use inflatable products such as inflatable beds, inflatable sofas or inflatable swimming pools. In the general art, an inflator pump is generally used to inflate an inflatable product.

However, in the prior art, the common air pump can only be used internally or externally, and has a single function. In addition, the existing built-in air pump can not be integrally separated, so that the air pump can only be used one by one with an inflatable product, and is inconvenient to charge and maintain, and once the air pump is damaged, the air pump can only be discarded together with the inflatable product, so that the use is limited, the air pump is not flexible, the structure is complex, and the production process is complex.

In view of the above, the present utility model is directed to an internal and external dual-purpose pump including a housing and a pump body detachably provided in the housing, which forms a built-in pump structure when the pump body is assembled with the housing to inflate an inflatable product, and can directly perform an inflation operation for the inflatable product. The pump body can also be independently pulled out from the shell for use, and is equivalent to an external pump structure at the moment, and can perform inflation operation for other inflation products. Meanwhile, the switching of inflation and air extraction is very convenient.

Disclosure of Invention

The utility model aims at: the utility model provides an inside and outside dual-purpose pump to the not enough of prior art, this dual-purpose pump includes shell and detachably sets up the pump body in the shell, forms built-in pump structure when pump body and shell are assembled together to aerify the product of aerifing, can directly aerify the operation for this product of aerifing. The pump body can also be independently pulled out from the shell for use, and is equivalent to an external pump structure at the moment, and can perform inflation operation for other inflation products. Meanwhile, the inflation function or the air extraction function can be switched by only pressing the inflation switch or the air extraction switch, so that the device is very convenient.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a switch convenient internal and external dual-purpose pump, includes shell and detachably set up in pump body in the shell, pump body include the casing and form in the holding chamber in the casing, be provided with speed reduction motor group and support of taking a breath in the holding chamber, the bottom of shell is provided with first through-hole, the top of casing is provided with second through-hole, inflation switch and air extraction switch, the bottom of casing is provided with the third through-hole, be provided with close gas support in the first through-hole, be provided with close gas gel nail on the close gas support, when using in combination, the third through-hole is located the top of first through-hole;

when the air needs to be inflated in the combined state, an inflation switch is turned on, air enters the pump body from the second through hole, and after passing through the third through hole, the air-tight glue nail is flushed away, so that the air finally enters an inflatable product from the first through hole; when air is required to be pumped, the air pumping switch is turned on, the speed-down motor group rotates for an angle to push the ventilation support away, the ventilation support pushes away the air-tight support in the movement process, and air enters the pump body after passing through the third through hole from the first through hole and is discharged from the second through hole.

As an improvement of the internal and external dual-purpose pump convenient to switch, a fan blade assembly, a motor, a power supply structure and a PCBA board are further arranged in the accommodating cavity, the power supply structure is respectively connected with the motor, the speed reduction motor group and the PCBA board, the motor is connected with the fan blade assembly, and the PCBA board is connected with the air suction switch and the air inflation switch.

As an improvement of the internal and external dual-purpose pump with convenient switching, the fan blade assembly comprises a channel surface cover, a channel upper cover, a fan blade and a channel lower cover which are sequentially arranged.

As an improvement of the internal and external dual-purpose pump convenient to switch, the shell comprises a surface cover, a large body and an encapsulation block arranged on the large body, and the surface cover is rotatably arranged on the encapsulation block.

As an improvement of the internal and external dual-purpose pump with convenient switching, the shell comprises an upper shell and a lower shell, and the rotation angle of the speed reduction motor unit is 90 degrees during air suction.

As an improvement of the internal and external dual-purpose pump convenient to switch, the ventilation bracket comprises a main body part, a pushing part and a resetting part, wherein the pushing part and the resetting part are arranged on two sides of the main body part, the resetting part is connected with a first spring, the pushing part is arranged close to the speed reduction motor unit, and a wedge-shaped block is arranged on the lower part of the main body part.

As an improvement of the internal and external dual-purpose pump convenient to switch, the middle part of the main body part is provided with a connecting rod, and the wedge-shaped block is arranged on the connecting rod.

As an improvement of the internal and external dual-purpose pump convenient to switch, the air-tight support comprises a support body and a support body which are integrally formed, the air-tight glue nail comprises a sealing body and a rod body, the support body is provided with a vent hole, the rod body can be arranged on the support body in a penetrating manner, the upper part of the support body is provided with a cross rod part and a beveling part which is arranged at least one end of the cross rod part and matched with the wedge-shaped block, and the air-tight support is connected with a second spring.

As an improvement of the internal and external dual-purpose pump convenient to switch, the bottom of the shell is provided with a limiting guide rail for limiting the ventilation bracket.

When the pump body is independently used as an external pump, an inflation switch is turned on when inflation is needed, air enters the pump body from the second through hole and finally enters an inflation product from the third through hole after passing through the ventilation bracket; when air is required to be pumped, the air pumping switch is turned on, the speed-reducing motor group rotates for an angle to push the ventilation support away, and air enters the pump body from the third through hole and is discharged from the first through hole.

Compared with the prior art, the dual-purpose pump provided by the utility model comprises the shell and the pump body which is detachably arranged in the shell, when the pump body and the shell (the shell and the inflatable product are welded together or integrally formed) are assembled together to inflate the inflatable product, an internal pump structure is formed, and the inflatable product can be directly inflated. The pump body can also be independently pulled out from the shell for use, and is equivalent to an external pump structure at the moment, and can perform inflation operation for other inflation products. Meanwhile, the inflation function or the air extraction function can be switched by only pressing the inflation switch or the air extraction switch, and the pump body is not required to be additionally operated, so that the pump is very convenient.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

FIG. 2 is a schematic diagram of a second perspective structure of the present utility model.

FIG. 3 is a schematic illustration of an exploded structure of the present utility model in an inflated state.

FIG. 4 is a second schematic exploded view of the present utility model in an inflated state.

FIG. 5 is a schematic diagram showing an exploded structure of the present utility model in the pumping state.

FIG. 6 is a second exploded view of the present utility model in the pumping state.

Fig. 7 is a schematic view of the pump body structure of the present utility model.

Fig. 8 is a schematic structural view of a ventilation bracket in the present utility model.

Fig. 9 is a schematic structural diagram of the air-tight support and the air-tight glue nail according to the present utility model.

Fig. 10 is a schematic view of the structure of the lower case in the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that, in the embodiments of the present utility model, all directional indicators (such as up, down, left, right, front, and rear … …) are merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are correspondingly changed.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be regarded as not exist and not within the protection scope of the present utility model.

As shown in fig. 1 to 10, the utility model provides a convenient-to-switch internal and external dual-purpose pump, which comprises a shell 1 and a pump body 2 detachably arranged in the shell 1, wherein the pump body 2 comprises a shell 21 and a containing cavity formed in the shell 21, a speed reduction motor unit 22 and a ventilation bracket 23 are arranged in the containing cavity, a first through hole 11 is formed in the bottom of the shell 1, a second through hole 220, an inflation switch 24 and an air extraction switch 25 are formed in the top of the shell 21, a third through hole 26 is formed in the bottom of the shell 21, a dense air bracket 3 is arranged in the first through hole 11, dense air nails 4 are arranged on the dense air bracket 3, and the third through hole 26 is positioned above the first through hole 11 when the pump is used in combination;

in the combined state, when inflation is required, the inflation switch 24 is turned on, air enters the pump body 2 from the second through hole 220, passes through the third through hole 26 and then is flushed out of the airtight glue nail 4, so that the air finally enters the inflatable product from the first through hole 11; when air is required to be pumped, the air pumping switch 25 is turned on, the speed reducing motor unit 2 rotates for a certain angle to push the air exchanging support 23 away, the air exchanging support 23 pushes away the air sealing support 3 in the moving process, and air enters the pump body 2 from the first through hole 11 through the third through hole 26 and is discharged from the second through hole 220.

When the pump body 2 and the shell 1 (the shell 1 and the inflatable product are welded together or integrally formed) are assembled together to inflate the inflatable product, a built-in pump structure is formed, and the inflatable product can be directly inflated. The pump body 2 can also be independently pulled out from the housing 1 for use, and at this time, it corresponds to an external pump structure, and can perform inflation operation for other inflatable products. In addition, the utility model can switch the inflation function or the air extraction function by skillfully structural design only by pressing the inflation switch 24 or the air extraction switch 25.

The accommodating cavity is also internally provided with a fan blade assembly 27, a motor 28, a power supply structure 29 and a PCBA board, wherein the power supply structure 29 is respectively connected with the motor 28, the speed reduction motor set 22 and the PCBA board, the motor 28 is connected with the fan blade assembly 27, and the PCBA board is connected with the air extraction switch 25 and the inflation switch 24. When the inflation switch 24 or the air extraction switch 25 is pressed, the PCBA board instructs the motor 28 to start, and then drives the fan blade assembly 27 to rotate, so that inflation or air extraction is realized.

The fan blade assembly 27 includes a channel surface cover 271, a channel upper cover 272, fan blades 273, and a channel lower cover 274, which are sequentially disposed. The space formed by the runner face cover 271, the runner upper cover 272 and the runner lower cover 274 is used for accommodating the fan blades 273, and the arrangement of the runner face cover 271, the runner upper cover 272 and the runner lower cover 274 can reduce the space where gas exists, improve the vacuum degree in the pump, reduce the load of the pump, improve the pumping and exhausting efficiency of the air pump and reduce the noise; the inflatable bag can be used for inflating some inflatable products such as inflatable beds, inflatable boats and the like or for accommodating bags to wait for pumping of pumping products.

The shell 1 comprises a face cover 12, a large body 13 and an encapsulation block 14 arranged on the large body 13, wherein the face cover 12 is rotatably arranged on the encapsulation block 14. When the face cover 12 is opened, the face cover 12 is not detached and is therefore not easily lost.

The housing 21 includes an upper case 211 and a lower case 212, and the rotation angle of the reduction motor group 22 is 90 degrees when pumping. The bottom of the housing 21 is provided with a limit rail 213 for limiting the ventilation bracket 23, for limiting the movement direction of the ventilation bracket 23 and preventing unnecessary shaking or movement thereof. The upper case 211 is provided with a handle 218, and the upper case 211 is also provided with a power display lamp 214, a type-C charging port 215, a USB discharging port 216 and a power switch 217.

The ventilation bracket 23 comprises a main body 231, a pushing part 232 and a resetting part 233, wherein the pushing part 232 and the resetting part 233 are arranged on two sides of the main body 231, the resetting part 233 is connected with a first spring 234, the pushing part 232 is arranged close to the speed reduction motor unit 22, a wedge block 235 is arranged on the lower portion of the main body 231, a connecting rod 236 is arranged in the middle of the main body 231, and the wedge block 235 is arranged on the connecting rod 236. In the air extraction state, the speed reduction motor unit 22 rotates in the direction of the pushing part 232, and thus, the speed reduction motor unit pushes against the pushing part 232 and moves along with the wedge 235, at this time, the first spring 234 is in a gradually compressed state, and when air extraction is stopped, the ventilation bracket 23 is reset under the action of the elastic force of the first spring 234.

The airtight bracket 3 comprises a bracket main body 31 and a bracket body 32 which are integrally formed, the airtight glue nail 4 comprises a sealing main body 41 and a rod body 42, the rod body 42 can be arranged on the bracket main body 31 in a penetrating way, the bracket main body 31 is provided with a vent hole 311, and in an inflation state, air reaches the vent hole 311 and blows open the airtight glue nail 4 to realize air intake; the upper portion of the frame 32 is provided with a cross bar portion 321 and a chamfer portion 322 provided at least one end of the cross bar portion 321 and matched with the wedge 235. In the inflated state, wedge 235 is in mating contact with chamfer 322; in the air extraction state, the speed reducing motor group 22 pushes the whole ventilation bracket 23 to move, the wedge 235 moves along the chamfer 322 all the way to the cross bar 321, and in the process, the air-tight bracket 3 moves downwards together with the air-tight glue nail 4, so that the first through hole 11 is opened. The air-tight support 3 is connected with a second spring 5, and after air extraction is completed, the air-tight support 3 returns to the original position under the reset action of the second spring 5.

When the pump body 2 is independently used as an external pump, the inflation switch 24 is turned on when inflation is needed, air enters the pump body 2 from the second through hole 220 and finally enters an inflation product from the third through hole 26 after passing through the ventilation bracket 23; when air is required to be pumped, the air pumping switch is turned on, the speed reducing motor unit 22 rotates by an angle (90 degrees), the ventilation bracket 23 is pushed away, and air enters the pump body 6 from the third through hole 26 and is discharged from the first through hole 11.

The dual-purpose pump provided by the utility model comprises the shell 1 and the pump body 2 which is detachably arranged in the shell 1, and when the pump body 2 and the shell 1 (the shell 1 and an inflatable product are welded together or integrally formed) are assembled together to inflate the inflatable product, a built-in pump structure is formed, so that the inflatable product can be directly inflated. The pump body 2 can also be independently pulled out from the housing 1 for use, and at this time, it corresponds to an external pump structure, and can perform inflation operation for other inflatable products. Meanwhile, the inflation function or the air extraction function can be switched by only pressing the inflation switch 24 or the air extraction switch 25, and the pump body is not required to be additionally operated, so that the pump is very convenient.

Modifications and variations of the above embodiments will be apparent to those skilled in the art in light of the above teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way.

Claims

1. An inside and outside dual-purpose pump of convenient switching, its characterized in that: the air pump comprises a shell and a pump body detachably arranged in the shell, wherein the pump body comprises a shell and a containing cavity formed in the shell, a speed reduction motor unit and an air exchange bracket are arranged in the containing cavity, a first through hole is formed in the bottom of the shell, a second through hole, an air inflation switch and an air extraction switch are arranged at the top of the shell, a third through hole is formed in the bottom of the shell, an air sealing bracket is arranged in the first through hole, an air sealing glue nail is arranged on the air sealing bracket, and when the air pump is used in combination, the third through hole is positioned above the first through hole;

2. The conveniently switched internal and external dual purpose pump according to claim 1, wherein: the air conditioner comprises a housing cavity, and is characterized in that a fan blade assembly, a motor, a power supply structure and a PCBA board are further arranged in the housing cavity, the power supply structure is respectively connected with the motor, the speed reduction motor set and the PCBA board, the motor is connected with the fan blade assembly, and the PCBA board is connected with an air suction switch and an air inflation switch.

3. The conveniently switched internal and external dual-purpose pump according to claim 2, wherein: the fan blade assembly comprises a runner face cover, a runner upper cover, fan blades and a runner lower cover which are sequentially arranged.

4. A convenient switching internal and external dual purpose pump according to claim 3, wherein: the shell comprises a surface cover, a large body and an encapsulation block arranged on the large body, and the surface cover is rotatably arranged on the encapsulation block.

5. The conveniently switched internal and external dual purpose pump according to claim 1, wherein: the shell comprises an upper shell and a lower shell, and the rotation angle of the speed reduction motor unit is 90 degrees during air suction.

6. The conveniently switched internal and external dual purpose pump according to claim 1, wherein: the ventilation support comprises a main body part, pushing parts and a resetting part, wherein the pushing parts and the resetting part are arranged on two sides of the main body part, the resetting part is connected with a first spring, the pushing parts are close to the speed reduction motor unit, and wedge blocks are arranged on the lower portion of the main body part.

7. The conveniently switched internal and external dual purpose pump according to claim 6, wherein: the middle part of main part is provided with the connecting rod, the wedge set up in on the connecting rod.

8. The conveniently switched internal and external dual purpose pump according to claim 6, wherein: the airtight support comprises an integrally formed support body and a support body, the airtight glue nail comprises a sealing main body and a rod body, a vent hole is formed in the support body, the rod body can be arranged on the support body in a penetrating mode, a cross rod portion and a beveling portion which is arranged at least one end of the cross rod portion and matched with the wedge-shaped block are arranged on the upper portion of the support body, and the airtight support is connected with a second spring.

9. The conveniently switched internal and external dual purpose pump according to claim 1, wherein: the bottom of casing is provided with and is used for carrying out spacing guide rail to the support of taking a breath.

10. The conveniently switched internal and external dual purpose pump according to claim 1, wherein: when the pump body is independently used as an external pump, an inflation switch is turned on when inflation is needed, air enters the pump body from the second through hole and finally enters an inflation product from the third through hole after passing through the ventilation bracket; when air is required to be pumped, the air pumping switch is turned on, the speed-reducing motor group rotates for an angle to push the ventilation support away, and air enters the pump body from the third through hole and is discharged from the first through hole.