阅读说明：本技术 内置式气泵的排气结构 (Exhaust structure of built-in air pump ) 是由 陈兴 于 2019-09-17 设计创作，主要内容包括：本发明公开了一种内置式气泵的排气结构,包括用于组接于充气产品的连接座、内置于充气产品的外壳、设于外壳的泵主体和安装于连接座的驱动组件,连接座具有第一气口,泵主体具有第二气口和第三气口；外壳具有第四气口,通过驱动驱动组件带泵主体上下移动能够实现第四气口的开合；充气时,通过驱动驱动组件带动泵主体向下移动且使得泵主体的外侧与外壳之间形成密封,在泵主体的作用下,进行充气；排气时,通过驱动驱动组件带动泵主体向上移动且使得泵主体的外侧与外壳之间脱离,充气产品内的气体即可排出。本发明通过对排气结构的改进,实现内置式气泵充气和换气状态的便捷转换,提高使用过程的用户体验。(The invention discloses an exhaust structure of a built-in air pump, which comprises a connecting seat, a shell, a pump main body and a driving assembly, wherein the connecting seat is used for being assembled and connected with an inflatable product; the shell is provided with a fourth air port, and the opening and closing of the fourth air port can be realized by driving the driving assembly to drive the pump main body to move up and down; when the pump is inflated, the driving assembly is driven to drive the pump main body to move downwards, the outer side of the pump main body and the shell form sealing, and the pump is inflated under the action of the pump main body; when exhausting, drive the pump main part through drive assembly and move upward and make and break away from between the outside of pump main part and the shell, aerify the gas in the product and can discharge. According to the invention, through the improvement of the exhaust structure, the convenient conversion of the inflation and ventilation states of the built-in air pump is realized, and the user experience in the use process is improved.)

1. The utility model provides an exhaust structure of built-in air pump which characterized in that: comprises a connecting seat (1) for connecting an inflatable product, a shell (2) arranged in the inflatable product, a pump body (3) arranged on the shell and a driving component (4) arranged on the connecting seat, wherein the connecting seat is provided with a first air port (11), and the pump body is provided with a second air port and a third air port (32)

The shell is provided with a fourth air port (21), and the opening and closing of the fourth air port can be realized by driving the driving component to drive the pump main body to move up and down;

when the pump is inflated, the driving assembly is driven to drive the pump main body to move downwards, the outer side of the pump main body and the shell form a seal, and under the action of the pump main body, outside air sequentially passes through the first air port, the inner cavity of the pump main body, the second air port and the third air port to enter an inflated product;

when exhausting, the drive assembly is driven to drive the pump main body to move upwards and separate the outer side of the pump main body from the shell, and gas in the inflatable product is exhausted through the fourth gas port, the cavity (23) formed between the pump main body and the shell and the first gas port in sequence.

2. The air discharge structure of an internal air pump according to claim 1, wherein: and a check valve (31) is installed on the third air port, and the check valve is plugged in the third air port in an opening and closing manner.

3. The air discharge structure of an internal air pump according to claim 1, wherein: the driving component and the pump main body are provided with rotating structures in front, and the driving component is rotated to realize the up-and-down movement of the pump main body through the rotating structures.

4. The air discharge structure of the built-in air pump according to claim 3, characterized in that: the rotating structure comprises a convex column (411) arranged on the driving component and a spiral groove (33) arranged at the upper end of the pump main body, the convex column is matched with the spiral groove, and the rotating driving component drives the convex column to move relative to the spiral groove to realize the up-and-down movement of the pump main body.

5. The air discharge structure of the built-in air pump according to claim 3, characterized in that: the pump is characterized in that a locking assembly (6) is arranged at the driving assembly, and the locking assembly abuts against the connecting seat to realize relative fixation between the driving assembly and the pump body.

6. The air discharge structure of an internal air pump according to claim 5, wherein: the locking assembly comprises an elastic piece (61) and a propping piece (62), one end of the elastic piece props against the driving assembly, the other end of the elastic piece props against the propping piece, and meanwhile, the propping piece props against the connecting seat, so that the driving assembly and the pump body are relatively fixed.

7. The air discharge structure of an internal air pump according to claim 5, wherein: the driving assembly is an exposed knob capable of being manually operated, the knob comprises an inner knob (41) and an outer knob (42), the outer knob and the inner knob are fixed, the outer knob is installed on the installation seat, and the locking assembly is arranged between the inner knob and the outer knob.

8. The air discharge structure of an internal air pump according to claim 7, wherein: the outer knob has a receiving slot (421) in which the locking assembly is mounted.

9. The air discharge structure of an internal air pump according to claim 1, wherein: the outer wall of the pump body and the inner side wall of the housing have guide structures.

10. The air discharge structure of an internal air pump according to claim 9, wherein: the guide structure is a guide rib (34) arranged on the outer wall of the pump main body and a guide groove (22) arranged on the inner side wall of the shell;

or the guide structure is a guide groove arranged on the outer wall of the pump main body and a guide rib arranged on the inner wall of the shell.

Technical Field

The invention relates to the technical field of air pumps, in particular to a built-in air pump for an inflatable product.

Background

The air pump is a key component of various inflatable products (such as inflatable mattresses, inflatable trampolines, inflatable sofas and large inflatable toys), is arranged on the inner side of a soft bag body of the inflatable products, and can be used for carrying out operations of quick inflation, pressure maintaining, quick deflation and the like on the inflatable products so as to realize the functions of normal use, deflation, reduction of space volume, convenience for storage and the like of the inflatable products through inflation and expansion.

At present, the structure of the air pump for inflating products in the market mainly comprises a shell, and a motor, an impeller, an electromagnetic valve, a sliding seat and an air valve which are arranged in the shell. And the side surface and the bottom surface of the shell are respectively provided with an air hole and an air groove, the air valve is sealed on the air hole, and the sliding seat is opposite to the air groove. The air valve is connected with one end of the action rod of the electromagnetic valve, and the sliding seat is connected with the other end of the action rod of the electromagnetic valve. The motor drives the impeller to rotate at a high speed to generate airflow, the electromagnetic valve controls the air valve to open and close the air hole, the electromagnetic valve simultaneously drives the sliding seat to slide to switch the flow direction of the airflow so as to respectively form inflation flow and air discharge flow, external air is inflated into an inflation product by the inflation flow, and air in the inflation product is pumped out by the air discharge flow, so that the inflation and air discharge functions of the inflation product are realized.

Although the above-mentioned conventional air pump structure can achieve the inflation and deflation functions of the inflatable product, there are still many points to be improved, especially there are some structural unreasonables. Specifically, the air pump on the market has a complicated air discharge structure, troublesome air discharge operation, slow air discharge, and low work efficiency. Therefore, the structure of the existing air pump is improved.

Disclosure of Invention

The invention mainly solves the technical problem of providing an exhaust structure of a built-in air pump, and the convenient conversion of the inflation and ventilation states of the built-in air pump is realized by improving the exhaust structure, so that the user experience in the use process is improved.

In order to solve the technical problems, the invention adopts a technical scheme that: the air exhaust structure of the built-in air pump comprises a connecting seat, a shell, a pump main body and a driving assembly, wherein the connecting seat is used for being assembled and connected with an inflatable product, the shell is arranged in the inflatable product, the pump main body is arranged on the shell, the driving assembly is arranged on the connecting seat, the connecting seat is provided with a first air port, and the pump main body is provided with a second air port and a third air port;

the shell is provided with a fourth air port, and the opening and closing of the fourth air port can be realized by driving the driving assembly to drive the pump main body to move up and down;

when the pump is inflated, the driving assembly is driven to drive the pump main body to move downwards, the outer side of the pump main body and the shell form a seal, and under the action of the pump main body, outside air sequentially passes through the first air port, the inner cavity of the pump main body, the second air port and the third air port to enter an inflated product;

when exhausting, the drive assembly is driven to drive the pump main body to move upwards and separate the outer side of the pump main body from the shell, and gas in the inflatable product is exhausted through the fourth gas port, the cavity formed by the shell between the pump main body and the first gas port in sequence.

Furthermore, a check valve is installed at the third air port, and the check valve is plugged at the third air port in an opening and closing manner.

Furthermore, the driving component and the pump main body are provided with a rotating structure in front, and the driving component is rotated to realize the up-and-down movement of the pump main body through the rotating structure.

Furthermore, the rotating structure comprises a convex column arranged on the driving component and a spiral groove arranged at the upper end of the pump main body, the convex column is matched with the spiral groove, and the rotating driving component drives the convex column to move relative to the spiral groove to realize the up-and-down movement of the pump main body.

Furthermore, a locking assembly is arranged at the driving assembly, and the driving assembly and the pump body are relatively fixed by tightly abutting against the connecting seat through the locking assembly.

Furthermore, the locking assembly comprises an elastic piece and a propping piece, one end of the elastic piece props against the driving assembly and the other end of the elastic piece props against the propping piece, and meanwhile, the propping piece props against the connecting seat, so that the driving assembly and the pump body are relatively fixed.

Furthermore, the driving assembly is an exposed knob capable of being manually operated, the knob comprises an inner knob and an outer knob, the outer knob and the inner knob are fixed, the outer knob is installed on the installation seat, and the locking assembly is arranged between the inner knob and the outer knob.

Further, the outer knob has a receiving groove, and the locking assembly is mounted to the receiving groove.

Further, the outer wall of the pump body and the inner side wall of the housing have guide structures.

Furthermore, the guide structure is a guide rib arranged on the outer wall of the pump main body and a guide groove arranged on the inner side wall of the shell;

or the guide structure is a guide groove arranged on the outer wall of the pump main body and a guide rib arranged on the inner wall of the shell.

The invention has the beneficial effects that:

the invention comprises a connecting seat for being assembled and connected with an inflatable product, a shell arranged in the inflatable product, a pump main body arranged on the shell and a driving component arranged on the connecting seat, wherein the pump main body can be driven to move up and down to realize the conversion of exhaust and inflation states only by driving the driving component; moreover, the structure is simple, electromagnetic valves and the like are not adopted, the cost is reduced, and the market competitiveness of the product is improved;

in addition, in the exhaust state, the motor of the pump main body does not need to rotate, and compared with a commercially available air pump which can exhaust air only by reversing the motor, the pump main body realizes non-electric energy-saving exhaust and reduces the cost; and can also reduce the noise while exhausting;

moreover, the invention can also comprise a locking assembly which comprises an elastic piece and a propping piece, wherein one end of the elastic piece props against the driving assembly, the other end of the elastic piece props against the propping piece, and meanwhile, the propping piece props against the connecting seat, so that the relative fixation of the driving assembly and the pump body in the inflation state and the exhaust state can be realized;

in addition, the outer wall of the pump main body and the inner side wall of the shell can be provided with guide structures, so that the smoothness of the pump main body in the vertical translation process is improved.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.

Drawings

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

FIG. 2 is a schematic view of an exploded structure of the present invention;

FIG. 3 is a schematic view of the present invention in an inflated state;

FIG. 4 is a schematic view of the present invention in the exhaust state;

FIG. 5 is an exploded view of the pump body of the present invention;

FIG. 6 is a schematic view of the structure at the drive assembly of the present invention;

FIG. 7 is an exploded view of the drive assembly of the present invention;

FIG. 8 is a schematic structural view of the housing of the present invention;

the parts in the drawings are marked as follows:

the connecting seat 1, the first air port 11, the abutting groove 12, the outer shell 2, the fourth air port 21, the guide groove 22, the cavity 23, the pump bodies 3 and 31, the check valve 31, the third air port 32, the spiral groove 33, the guide rib 34, the driving component 4, the inner knob 41, the convex column 411, the outer knob 42, the accommodating groove 421, the elastic component 61 and the abutting component 62.

Detailed Description

The following description of the embodiments of the present invention is provided for illustrative purposes, and the present invention will be described in detail with reference to the accompanying drawings. The invention may be embodied in other different forms, i.e. it is capable of various modifications and changes without departing from the scope of the invention as disclosed.