CN220487782U

CN220487782U - Air pump movement

Info

Publication number: CN220487782U
Application number: CN202322146020.7U
Authority: CN
Inventors: 叶桁余
Original assignee: Shenzhen Lecheng Technology Co ltd
Current assignee: Shenzhen Lecheng Technology Co ltd
Priority date: 2023-08-10
Filing date: 2023-08-10
Publication date: 2024-02-13
Anticipated expiration: 2033-08-10

Abstract

The utility model relates to a hardware and tools technical field especially relates to an inflating pump core, be in including support and the motor of fixing on the support, the support extends and is formed with the cylinder, the inside movable piston that is provided with of cylinder, the piston pass through transmission structure with motor drive is connected, makes the piston can be in reciprocating motion in the cylinder, the cylinder is keeping away from the one end of motor is connected with the piece of giving vent to anger, the piece of giving vent to anger with the cylinder junction is provided with the pneumatic valve. The air pump has effectively solved among the prior art technical problem that the internal structure of air pump is complicated, the noise is great, life is not high.

Description

Air pump movement

Technical Field

The application relates to the technical field of hardware tools, in particular to an inflating pump movement.

Background

The inflating pump is a common inflating tool in life and can be used for rapidly inflating articles such as tires, rubber balls, rubber boats, air cushion beds, inflatable toys and the like. When the inflatable device is inflated, the motor is operated to drive the piston to move in the cylinder, so that gas is pushed to flow towards the gas outlet, and the gas valve of the gas outlet is flushed by atmospheric pressure to enable the gas to enter an inflated object to achieve inflation.

The existing inflating pump in the market is complex in internal structure, more in parts, higher in production cost and poorer in economic benefit in the production and assembly process, and the inflating pump is often faced with the problems of shaking and overlarge noise when running, so that the service life of the inflating pump is seriously influenced.

Disclosure of Invention

The application provides an inflating pump core to at least, solve among the prior art inflating pump inner structure complicacy, noise are great, life not high technical problem.

In order to achieve the above-mentioned purpose, the application provides an inflating pump core, be in including support and the motor of fixing on the support, the support extends to be formed with the cylinder, the inside movable piston that is provided with of cylinder, the piston pass through transmission structure with motor drive is connected, makes the piston can be in reciprocating motion in the cylinder, the cylinder is keeping away from the one end of motor is connected with the piece of giving vent to anger, the piece of giving vent to anger with the cylinder junction is provided with the pneumatic valve.

In some embodiments, the air outlet member is provided with a first air outlet at the end and a second air outlet at the side of the air outlet member.

In some embodiments, sealing rings are respectively arranged at the first air outlet and the second air outlet.

In some embodiments, a pressure sensor is disposed at the second air outlet.

In some embodiments, the transmission structure comprises an eccentric wheel arranged at the output end of the motor and a connecting rod rotatably arranged on the eccentric wheel, and the other end of the connecting rod is connected with the piston.

In some embodiments, a bearing matched with the connecting rod is sleeved on the rotating shaft between the connecting rod and the eccentric wheel.

In some embodiments, the air valve is movably arranged in the air outlet piece, and an elastic piece is connected to one side, far away from the piston, of the air valve, so that the air valve can seal the connection between the air cylinder and the air outlet piece in a normal state, and when the air valve is pushed by air, the elastic piece enables the air valve to have a resetting trend.

In some embodiments, the air outlet member has an inner wall with an abutting portion that mates with the elastic member.

In some of these embodiments, the motor is a brushless motor.

In some embodiments, the outer edge of the piston is provided with a trumpet-shaped piston ring which is fit with the inner wall of the cylinder, and the diameter of the side, close to the air outlet, of the piston ring is larger than the diameter of the side, away from the air outlet, of the piston ring.

According to the above, the beneficial effects of the application are:

1. the internal support of the air pump and the air cylinder are arranged into an integrated structure, so that the structure is simplified, one die opening process is reduced, and the cost is reduced;

2. the eccentric wheel is directly connected with the output end of the motor, and the connecting rod is connected with the eccentric wheel through the bearing, so that the transmission efficiency is improved, the service life is prolonged, and the noise is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute an undue limitation to the application. In the drawings:

FIG. 1 is a schematic view of the overall structure of an embodiment of the present application;

FIG. 2 is an exploded view of the overall structure of an embodiment of the present application;

fig. 3 is a cross-sectional view of the overall structure of an embodiment of the present application.

Reference numerals illustrate: a bracket 1; a motor 2; a cylinder 3; a piston 4; piston ring 4.1; an air outlet member 5; a first air outlet 5.1; a second air outlet 5.2; a gas valve 5.3; an elastic member 5.4; an abutting portion 5.5; 5.6 parts of sealing rings; a threaded connection 5.7; a threaded connection port 5.8; eccentric 6.1; a connecting rod 6.2; bearing 6.3.

Detailed Description

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described and illustrated below with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application. All other embodiments, which can be made by one of ordinary skill in the art without undue burden on the person of ordinary skill in the art based on the embodiments provided herein, are intended to be within the scope of the present application. Moreover, it should be appreciated that while such a development effort might be complex and lengthy, it would nevertheless be a routine undertaking of design, fabrication, or manufacture for those of ordinary skill having the benefit of this disclosure, and thus should not be construed as having the benefit of this disclosure.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is to be expressly and implicitly understood by those of ordinary skill in the art that the embodiments described herein can be combined with other embodiments without conflict.

Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. Reference to "a," "an," "the," and similar terms herein do not denote a limitation of quantity, but rather denote the singular or plural. The terms "comprising," "including," "having," and any variations thereof, are intended to cover a non-exclusive inclusion; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to only those steps or elements but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "connected," "coupled," and the like in this application are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The term "plurality" as used herein means greater than or equal to two. "and/or" describes an association relationship of an association object, meaning that there may be three relationships, e.g., "a and/or B" may mean: a exists alone, A and B exist together, and B exists alone. The terms "first," "second," "third," and the like, as used herein, are merely distinguishing between similar objects and not representing a particular ordering of objects.

The application provides an inflating pump core, including support and the motor of fixing on the support, the support extends to be formed with the cylinder, and the inside movable piston that is provided with of cylinder, the piston passes through transmission structure and is connected with motor drive, makes the piston can be reciprocating motion in the cylinder, and the cylinder is connected with the piece of giving vent to anger in the one end of keeping away from the motor, and the piece of giving vent to anger is provided with the pneumatic valve with the cylinder junction.

The embodiment is shown in fig. 1 to 3, and an air pump core comprises a bracket 1 and a brushless motor 2 fixed at the tail end of the bracket 1, wherein a sealed air cylinder 3 is formed at the other end of the bracket 1 in an extending way far away from the motor 2, and the air cylinder 3 and the bracket 1 are integrally arranged. The cylinder 3 is internally provided with a piston 4 which can move along the extending direction of the cylinder 3, the piston 4 is in transmission connection with the motor 2 through a transmission structure, and the piston 4 can reciprocate in the cylinder 3 through the transmission structure so as to push gas into an object to be inflated.

Further, one end of the air cylinder 3 far away from the motor 2 is connected with an air outlet piece 5, the tail end of the air outlet piece 5 is provided with a first air outlet 5.1, the side part of the air outlet piece 5 is provided with a second air outlet 5.2, and a movable air valve 5.3 is arranged at the joint of the air outlet piece 5 and the air cylinder 3.

Specifically, the air valve 5.3 is movably disposed in the air outlet member 5, one side of the air valve 5.3 away from the piston 4 is connected with an elastic member 5.4 (in this embodiment, a spring), an abutting portion 5.5 matched with the elastic member 5.4 is distributed on the inner wall of the air outlet member 5, the air valve 5.3 seals connection between the air cylinder 3 and the air outlet member 5 under the action of the elastic member 5.4 in a normal state, when the piston 4 moves towards the air valve 5.3, the air valve 5.3 is pushed by air under the action of atmospheric pressure so that the air enters the air outlet member 5 and flows out from the air outlet, and the elastic member 5.4 enables the air valve 5.3 to have a reset trend after moving.

Specifically, the first air outlet 5.1, the second air outlet 5.2 and the air valve 5.3 are respectively provided with a sealing ring 5.6 for improving air tightness.

Specifically, a pressure sensor (not shown in the figure) is arranged at the second air outlet 5.2, and when the internal pressure of the air outlet 5 is detected to exceed a preset value, namely, the inflated object is full, the motor 2 is controlled to stop running, so that overcharge is prevented. The pressure sensor can be directly fixedly arranged at the second air outlet 5.2 through a threaded connection 5.7 arranged around the second air outlet 5.2. At least two screw connection parts are provided, and in this embodiment, a screw connection part 5.7 is respectively provided at the upper end and the lower end of the second air outlet 5.2.

Specifically, a threaded connection port 5.8 which can be convenient for installing the adapter is arranged at the first air outlet 5.1.

Further, the transmission structure comprises an eccentric 6.1 arranged at the output end of the motor 2 and a connecting rod 6.2 rotatably arranged on the eccentric 6.1. The eccentric wheel 6.1 is fixedly connected with the output end of the motor 2 and can rotate together with the output end of the motor 2, and the rotating shaft between the connecting rod 6.2 and the eccentric wheel 6.1 and the rotating shaft between the eccentric wheel 6.1 and the output end of the motor 2 are not coaxially arranged.

Specifically, the other end of the connecting rod 6.2 is connected with the piston 4, and the motor 2 drives the connecting rod 6.2 to reciprocate through the eccentric wheel 6.1, so that the piston 4 reciprocates in the cylinder 3. The outer edge of the piston 4 is provided with a horn-shaped piston ring 4.1 attached to the inner wall of the cylinder 3, and the piston ring 4.1 can be made of flexible materials or hard materials. The diameter of the piston ring 4.1 on the side close to the gas outlet 5 is greater than the diameter on the side remote from the gas outlet 5, increasing the efficiency of the piston 4 in pushing gas into the gas outlet 5.

Specifically, the bearing 6.3 matched with the connecting rod 6.2 is sleeved on the rotating shaft between the connecting rod 6.2 and the eccentric wheel 6.1, so that the transmission efficiency can be improved, the running smoothness can be increased, and the noise can be reduced.

Working principle: when in use, the motor 2 runs and drives the connecting rod 6.2 to do reciprocating motion through the eccentric wheel 6.1, and the connecting rod 6.2 drives the piston 4 to do reciprocating motion in the cylinder 3. When the piston 4 moves towards the air valve 5.3, the air valve 5.3 is pushed away by air pressure so that air enters the air outlet piece 5, and when the piston 4 moves towards the direction away from the air valve 5.3, the air valve 5.3 seals the joint of the air cylinder 3 and the air outlet piece 5 under the action of the elastic piece 5.4, so that air leakage is prevented. When the inflatable object is full, the pressure sensor at the second air outlet 5.2 detects that the pressure exceeds a preset value, and the motor 2 is controlled to stop running.

It should be understood by those skilled in the art that the technical features of the above-described embodiments may be combined in any manner, and for brevity, all of the possible combinations of the technical features of the above-described embodiments are not described, however, they should be considered as being within the scope of the description provided herein, as long as there is no contradiction between the combinations of the technical features.

The above examples merely represent a few embodiments of the present application, which are described in more detail and are not to be construed as limiting the scope of the utility model. It should be noted that it would be apparent to those skilled in the art that various modifications and improvements could be made without departing from the spirit of the present application, which would be within the scope of the present application. Accordingly, the scope of protection of the present application is to be determined by the claims appended hereto.

Claims

1. An inflation pump core, its characterized in that: the motor is fixed on the support, the support extends to form a cylinder, a movable piston is arranged in the cylinder, the piston is connected with the motor in a transmission mode through a transmission structure, the piston can reciprocate in the cylinder, an air outlet piece is connected to one end, far away from the motor, of the cylinder, and an air valve is arranged at the joint of the air outlet piece and the cylinder.

2. The pump cartridge of claim 1, wherein: the tail end of the air outlet piece is provided with a first air outlet, and the side part of the air outlet piece is provided with a second air outlet.

3. The pump cartridge of claim 2, wherein: sealing rings are respectively arranged at the first air outlet and the second air outlet.

4. A pump cartridge according to claim 3, wherein: and a pressure sensor is arranged at the second air outlet.

5. The pump cartridge of claim 1, wherein: the transmission structure comprises an eccentric wheel arranged at the output end of the motor and a connecting rod rotatably arranged on the eccentric wheel, and the other end of the connecting rod is connected with the piston.

6. The pump cartridge of claim 5, wherein: and a bearing matched with the connecting rod is sleeved on the rotating shaft between the connecting rod and the eccentric wheel.

7. The pump cartridge of claim 1, wherein: the air valve is movably arranged in the air outlet piece, one side, far away from the piston, of the air valve is connected with an elastic piece, so that the air valve is used for blocking the connection between the air cylinder and the air outlet piece in a normal state, and when the air valve is pushed by air, the elastic piece enables the air valve to have a resetting trend.

8. The pump cartridge of claim 7, wherein: the inner wall of the air outlet piece is provided with an abutting part matched with the elastic piece.

9. An air pump cartridge according to any one of claims 1 to 8, wherein: the motor is a brushless motor.

10. An air pump cartridge according to any one of claims 1 to 8, wherein: the outer edge of the piston is provided with a horn-shaped piston ring attached to the inner wall of the cylinder, and the diameter of one side of the piston ring, which is close to the air outlet piece, is larger than the diameter of one side, which is far away from the air outlet piece.