CN222558687U - Electric inflator pump core - Google Patents

Abstract

The application relates to the technical field of air pumps, in particular to an electric air pump movement, which comprises an air cylinder and a motor, wherein the air cylinder comprises a cylinder body, a first air outlet and a second air outlet, the tail end of the cylinder body is provided with an air outlet hole, one end of the first air outlet is used for being connected with an air outlet pipe, the other end of the first air outlet is communicated with the air outlet hole of the cylinder body, the second air outlet is communicated with the side part of the first air outlet, a conical one-way valve is arranged in the first air outlet, an elastic piece which enables the one-way valve to prop against the air outlet hole is arranged at one end far away from the cylinder body, a piston which can move towards the air outlet hole is arranged in the cylinder body, the piston is in transmission connection with the motor through a transmission structure, and the motor can drive the piston to reciprocate in the cylinder body. The application effectively solves the technical problems of larger movement volume, equipment vibration, abnormal sound and poor air tightness of the one-way valve in the prior art.

Description

Electric inflator pump core

Technical Field

The application relates to the technical field of air pumps, in particular to an electric air pump movement.

Background

The electric inflator pump is widely applied in daily life, is often used for inflating automobile tires, various balls and inflatable articles, and has labor saving, higher inflation efficiency and wide acceptance when in use compared with the traditional inflator pump.

The electric inflator pump movement is a core component of an electric inflator pump, and the current inflator pump movement on the market has larger volume and compact structure, and can generate abnormal sound due to the operation of a motor and a piston when in use. Some solutions of products are to fixedly connect the movement with the housing, but in this way the vibrations are transmitted to the hands of the user, which is inconvenient to use. And the sealing effect of the check valve of the existing inflator pump core is poor, and the inflation efficiency is low due to the fact that air leakage exists during inflation.

Disclosure of utility model

The application provides an electric inflator pump core, which at least solves the technical problems of large core volume, equipment vibration and abnormal sound during inflation and poor air tightness of a one-way valve in the prior art.

In order to achieve the above purpose, the application provides an electric inflator movement, which comprises an air cylinder and a motor, wherein the air cylinder comprises a cylinder body, a first air outlet and a second air outlet, the tail end of the cylinder body is provided with an air outlet hole, one end of the first air outlet is used for being connected with an air outlet pipe, the other end of the first air outlet is communicated with the air outlet hole of the cylinder body, the second air outlet is communicated with the side part of the first air outlet, a conical one-way valve is arranged in the first air outlet, an elastic piece for enabling the one-way valve to prop against the air outlet hole is arranged at one end far away from the cylinder body, a piston capable of moving towards the air outlet hole is arranged in the cylinder body, the piston is in transmission connection with the motor through a transmission structure, and the motor can drive the piston to reciprocate in the cylinder body.

In some embodiments, a pressure sensor is fixedly arranged at the second air outlet, and the pressure sensor is tightly matched with the second air outlet and is electrically connected with the control circuit board.

In some embodiments, the air outlet hole is provided with a conical groove matched with the conical end of the one-way valve.

In some embodiments, the motor is disposed at an end far away from the first air outlet, the cylinder body extends towards the motor, a cylinder support is disposed at one end, close to the cylinder body, of the motor, and the cylinder support is fixedly connected with the connecting piece.

In some embodiments, the connecting piece extends towards the direction perpendicular to the cylinder body, and the end of the cylinder bracket is matched with the shape of the connecting piece.

In some embodiments, two ends of the connecting piece are respectively provided with a positioning groove in fit connection with the cylinder bracket, and the tail end of the cylinder bracket is provided with a connecting end capable of being positioned in the positioning groove.

In some embodiments, a shock-proof ring for positioning the connecting end in the positioning groove is sleeved at the matching position of the positioning groove and the connecting end.

In some embodiments, two sides of the first air outlet are provided with extension parts extending towards the direction perpendicular to the cylinder body, and the extension parts are sleeved with shockproof rings.

In some embodiments, the transmission structure comprises a first transmission gear, a second transmission gear and a connecting rod, wherein the first transmission gear and the output end of the motor synchronously rotate, the second transmission gear is meshed with the first transmission gear, one end of the connecting rod is connected with the piston, and the other end of the connecting rod is rotatably and eccentrically arranged on the second transmission gear.

In some embodiments, the second transmission gear is rotatably arranged on the cylinder bracket, a limiting gasket is sleeved on a rotating shaft at one end of the connecting rod, which is in fit connection with the second transmission gear, and the limiting gasket is arranged on one side, away from the second transmission gear, of the rotating shaft.

According to the above, the application has the following beneficial effects:

1. the equipment structure is simplified, and the transmission structure is integrated at the cylinder bracket, so that the volume of the movement is reduced;

2. vibration-proof rings which can be matched and abutted with the shell are respectively sleeved at the two ends of the connecting piece and the two ends of the extension part, so that the problems of abnormal sound and vibration conduction after the movement is installed in the shell are effectively solved;

3. The one-way valve is arranged to be of a conical structure, and the conical groove matched with the one-way valve is arranged at the air outlet hole, so that the air tightness of the equipment is effectively improved.

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 specification, illustrate embodiments of the application and together with the description serve to explain the application and do not constitute a limitation on 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 a schematic diagram of the overall structure of an embodiment of the present application;

FIG. 3 is an exploded view of the overall structure of an embodiment of the present application;

FIG. 4 is a cross-sectional view of a cylinder according to an embodiment of the present application;

FIG. 5 is a schematic view of a connector and a connecting end according to an embodiment of the present application.

The reference numerals indicate that a cylinder 1, a first air outlet 1.1, a second air outlet 1.2, a cylinder body 1.3, a cylinder bracket 1.4, an air outlet 1.5, a one-way valve 1.6, an elastic piece 1.7, a connecting end 1.8, an extension part 1.9, a motor 2, a ventilating fan 2.1, a connecting piece 3, a positioning groove 3.1, a pressure sensor 4, a first transmission gear 5.1, a second transmission gear 5.2, a connecting rod 5.3, a piston 5.4, a limiting gasket 5.5, a rotating bearing 5.6 and a shock absorber 6.

Detailed Description

The present application will be described and illustrated with reference to the accompanying drawings and examples in order to make the objects, technical solutions and advantages of the present application more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application. All other embodiments, which can be made by a person of ordinary skill in the art based on the embodiments provided by the present application without making any inventive effort, are intended to fall 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 described embodiments of the application 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. The terms "a," "an," "the," and similar referents in the context of the application are not to be construed as limiting the quantity, but rather as singular or plural. The terms "comprises," "comprising," "includes," "including," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that 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 connection with the present 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 the association relationship of the association object, and indicates that three relationships may exist, for example, "a and/or B" may indicate that a exists alone, a and B exist simultaneously, 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 electric inflator movement, which comprises an air cylinder and a motor, wherein the air cylinder comprises a cylinder body, a first air outlet and a second air outlet, the tail end of the cylinder body is provided with an air outlet hole, one end of the first air outlet is used for connecting an air outlet pipe, the other end of the first air outlet is communicated with the air outlet hole of the cylinder body, the second air outlet is communicated with the side part of the first air outlet, a conical one-way valve is arranged in the first air outlet, one end, far away from the cylinder body, of the one-way valve is provided with an elastic piece for enabling the one-way valve to prop against the air outlet hole, the inside of the cylinder body is provided with a piston capable of moving towards the air outlet hole, the piston is in transmission connection with the motor through a transmission structure, and the motor can drive the piston to reciprocate in the cylinder body.

Embodiment shows in fig. 1-5, an electric inflator core, including cylinder 1, cylinder 1 lower extreme is provided with motor 2, and cylinder 1 lower extreme extends towards motor 2 has cylinder support 1.4, and motor 2 is being close to cylinder 1's one end fixedly connected with connecting piece 3 to through connecting piece 3 and cylinder support 1.4 fixed connection of cylinder 1, and then realize being in the same place cylinder 1 and motor 2 fixed connection. The cylinder 1 further comprises a cylinder body 1.3, a first air outlet 1.1 and a second air outlet 1.2, wherein the first air outlet 1.1 is arranged at the upper end of the cylinder body 1.3, an air outlet hole 1.5 communicated with the first air outlet 1.1 is arranged at the tail end of the cylinder body 1.3, and the other end of the first air outlet 1.1 is used for being communicated with an air outlet pipe. The second gas outlet 1.2 is communicated with the side part of the first gas outlet 1.1, a pressure sensor 4 is fixedly arranged at the second gas outlet 1.2, and the pressure sensor 4 is tightly matched with the second gas outlet 1.2 and is electrically connected with the control circuit board, so that the gas pressure condition during gas filling is monitored, and the overcharge is prevented.

Further, a piston 5.4 which can move towards the air outlet hole 1.5 is arranged in the cylinder body 1.3, the piston 5.4 is in transmission connection with the motor 2 through a transmission structure, and the motor 2 can drive the piston 5.4 to reciprocate in the cylinder body 1.3. The transmission structure comprises a first transmission gear 5.1, a second transmission gear 5.2 and a connecting rod 5.3, wherein an output end is respectively extended from the upper end and the lower end of the motor 2, the first transmission gear 5.1 is connected with the upper end of the motor 2 close to the output end of the cylinder 1 and synchronously rotates, the second transmission gear 5.2 is rotatably arranged on the cylinder bracket 1.4, a rotating shaft of the first transmission gear 5.1 is vertically arranged with a rotating shaft of the second transmission gear 5.2, and the first transmission gear 5.1 is meshed with the second transmission gear 5.2. One end of the connecting rod 5.3 is connected with the piston 5.4, the other end of the connecting rod 5.3 is rotatably and eccentrically arranged on the second transmission gear 5.2, a limiting gasket 5.5 is sleeved on a rotating shaft of one end of the connecting rod 5.3, which is in matched connection with the second transmission gear 5.2, the limiting gasket 5.5 is arranged on one side, far away from the second transmission gear 5.2, of the rotating shaft, and the limiting gasket 5.5 can effectively prevent the connecting rod 5.3 from falling off in actual use. When the motor 2 is started, the output end of the motor drives the first transmission gear 5.1 to rotate, the first transmission gear 5.1 drives the second transmission gear 5.2 meshed with the first transmission gear to rotate, and when the second transmission gear 5.2 rotates, the connecting rod 5.3 eccentrically connected with the second transmission gear 5.2 drives the piston 5.4 to reciprocate in the cylinder body 1.3, so that the inflation operation is realized.

Specifically, a rotating bearing 5.6 coaxially arranged with the second transmission gear 5.2 is positioned on the cylinder bracket 1.4, and the rotating bearing 5.6 is sleeved on the rotating shaft of the second transmission gear 5.2 and is matched with the cylinder bracket 1.4, so that the second transmission gear 5.2 is smoother in rotation.

Further, a conical check valve 1.6 is disposed in the first air outlet 1.1, an elastic member 1.7 (in this embodiment, the elastic member 1.7 is a spring) for making the check valve 1.6 abut against the air outlet hole 1.5 is disposed at one end of the check valve 1.6 away from the cylinder 1.3, and a conical groove matched with the conical end of the check valve 1.6 is disposed at the air outlet hole 1.5. When the piston 5.4 moves towards the air outlet hole 1.5, the air in the cylinder body 1.3 pushes up the one-way valve 1.6, the air flows into the first air outlet 1.1 through the air outlet hole 1.5, then under the action of the elastic piece 1.7, the one-way valve 1.6 resets and is propped against the air outlet hole 1.5 again, and further, the air backflow is effectively prevented.

Further, the connecting piece 3 extends towards the direction perpendicular to the cylinder body 1.3, and the tail end of the cylinder bracket 1.4 is provided with a connecting end 1.8 matched with the shape of the connecting piece 3. Positioning grooves 3.1 which are matched and connected with the connecting ends 1.8 are respectively extended from two ends of the connecting piece 3, and the connecting ends 1.8 are positioned in the positioning grooves 3.1. And the matching part of the positioning groove 3.1 and the connecting end 1.8 is sleeved with a shockproof ring 6 for positioning the connecting end 1.8 in the positioning groove 3.1.

Further, extension portions 1.9 extending towards the direction perpendicular to the cylinder body 1.3 are arranged on two sides of the first air outlet 1.1, and the vibration-proof rings 6 are sleeved on the extension portions 1.9.

In particular, the connection 3 and the extension 1.9 extend perpendicular to the cylinder 1.3, in order to be positioned in the casing by the connection 3 and the extension 1.9 extending when the movement is mounted in the pump casing. The vibration-proof ring 6 sleeved on the extension part 1.9 and the connecting piece 3 is used for reducing vibration and abnormal sound generated by vibration when the connecting piece 3 and the extension part 1.9 are matched with the shell.

Further, the output end of the lower end of the motor 2 is connected with a ventilator 2.1 which rotates synchronously with the motor.

Further, the vibration-proof ring 6 may be made of any flexible material capable of elastically deforming and absorbing vibration potential energy, such as a rubber ring, a silica gel ring, etc.

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 illustrate only a few embodiments of the application, which are described in detail and are not to be construed as limiting the scope of the application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (10)

1. The electric inflator movement is characterized in that the air cylinder comprises a cylinder body, a first air outlet and a second air outlet, an air outlet hole is formed in the tail end of the cylinder body, one end of the first air outlet is used for being connected with an air outlet pipe, the other end of the first air outlet is communicated with the air outlet hole of the cylinder body, the second air outlet is communicated with the side part of the first air outlet, a conical one-way valve is arranged in the first air outlet, an elastic piece which enables the one-way valve to prop against the air outlet hole is arranged at one end, far away from the cylinder body, of the one-way valve, a piston capable of moving towards the air outlet hole is arranged in the cylinder body, the piston is in transmission connection with the motor through a transmission structure, and the motor can drive the piston to reciprocate in the cylinder body.

2. The electric inflator movement of claim 1, wherein a pressure sensor is fixedly arranged at the second air outlet, and the pressure sensor is tightly matched with the second air outlet and is electrically connected with a control circuit board.

3. The motor-driven inflator movement of claim 1, wherein the air outlet is provided with a conical groove matched with the conical end of the one-way valve.

4. The electric inflator core of claim 1, wherein the motor is arranged at one end far away from the first air outlet, the cylinder body extends towards the motor, a connecting piece is fixedly arranged at one end, close to the cylinder body, of the motor, and the cylinder body is fixedly connected with the connecting piece.

5. The electric air pump movement according to claim 4, wherein the connecting piece extends towards the direction perpendicular to the cylinder body, and the end of the cylinder bracket is matched with the shape of the connecting piece.

6. The electric air pump movement of claim 5 wherein the two ends of the connecting piece are respectively provided with a positioning groove which is connected with the air cylinder bracket in a matching way, and the tail end of the air cylinder bracket is provided with a connecting end which can be positioned in the positioning groove.

7. The electric air pump movement of claim 6 wherein the connecting end is sleeved with a shock-proof ring which positions the connecting end in the positioning groove.

8. The electric air pump movement of claim 1, wherein the first air outlet is provided with an extension portion extending in a direction perpendicular to the cylinder body, and the extension portion is sleeved with a vibration-proof ring.

9. The electric air pump movement of claim 4 wherein the transmission structure comprises a first transmission gear, a second transmission gear and a connecting rod, wherein the first transmission gear and the output end of the motor synchronously rotate, the second transmission gear is meshed with the first transmission gear, one end of the connecting rod is connected with the piston, and the other end of the connecting rod is rotatably and eccentrically arranged on the second transmission gear.

10. The electric air pump movement of claim 9 wherein the second transmission gear is rotatably arranged on the cylinder bracket, a limiting gasket is sleeved on a rotating shaft at one end of the connecting rod, which is in fit connection with the second transmission gear, and the limiting gasket is arranged on one side, far away from the second transmission gear, of the rotating shaft.