CN223374571U - Air pump core with brush - Google Patents

Abstract

The utility model discloses a brushed air pump movement, including a bracket, one end of the bracket is integrally provided with a cylinder sleeve, the outer side of the cylinder sleeve is connected to a cylinder head, the connection between the cylinder head and the cylinder sleeve is provided with a double check valve assembly, and the outer side of the cylinder head is connected to a split-assembled inflation connector, the bracket is provided with a driven internal gear disk that rotates through a driven gear shaft, the air pump movement is driven by an internal gear set, and the integrated bracket and cylinder sleeve, as well as the flat cylinder head, make the overall structure of the air pump movement more compact and the air pump smaller; bearings are designed at the driven internal gear shaft and the connecting rod shaft to make the rotation more stable, thereby ensuring the long-term stability of the operation of the overall air pump movement; the split-assembled inflation connector allows any part of the inflation connector to be replaced separately if it is damaged, saving the cost of replacement and use, and the direction of inflation can be changed arbitrarily through a hose connection.

Description

Air pump core with brush

Technical Field

The utility model belongs to the technical field of air pumps, and particularly relates to a brush air pump movement.

Background

The utility model provides a brush air pump movement, which is characterized in that an air pump is called an air pump, the air pump and the air pump are a common air pump, the motor is operated by the operation of the motor, a valve of a communicating vessel is flushed by atmospheric air pressure when the air pump is used for pumping air, the air enters the air pump, the valve is closed by the air pressure in the air pump when the air pump is used for pumping air into a tire, the air enters the tire, the conventional air pump movement has limited long-time use stability, and the integral size is larger, so that the integral air pump has larger size.

Disclosure of utility model

The utility model aims to provide a brush air pump movement to solve the problems in the background technology.

The brush air pump core comprises a support, a cylinder sleeve is integrally arranged at one end of the support, a cylinder cover is arranged on the outer side of the cylinder sleeve in a communicated mode, a double check valve assembly is arranged at the communicated position of the cylinder cover and the cylinder sleeve, a split assembled type inflation connecting piece is arranged on the outer side of the cylinder cover in a communicated mode, a driven inner gear disc is rotatably arranged on the support through a driven gear shaft, a bearing B is arranged at the joint of the driven inner gear disc and the driven gear shaft, a brush motor is fixedly arranged at the bottom of the support, the top output end of the brush motor extends above the support, a driving gear capable of synchronously rotating is arranged at the output end of the top of the brush motor, the driving gear extends to the inner side of the driven inner gear disc and is in meshed transmission, a piston connecting rod used for pushing air is arranged in the cylinder sleeve, and one end of the piston connecting rod extends to the outer side of the cylinder sleeve and is in relative rotation connection with the driven inner gear disc through a connecting rod shaft.

Preferably, the connecting rod shaft piece comprises a connecting rod shaft eccentrically and fixedly arranged on the driven internal gear disc, one end of the piston connecting rod is rotatably sleeved on the connecting rod shaft through a bearing A, and a clamping spring for limiting and preventing falling is arranged at the top end of the connecting rod shaft in a clamping manner.

Preferably, the double check valve assembly comprises two check valves and two springs arranged at the communication position of the cylinder cover and the cylinder sleeve, and each check valve is attached to the communication position through one spring.

Preferably, the inflatable connecting piece comprises a bent joint connected to the cylinder cover through screw threads in a screwed mode, a connecting hose connected with the bent joint through a locking ring A and a sensor seat connected with the connecting hose through a locking ring B, one end of the bent joint connected with the connecting hose is of a screw thread pagoda joint-shaped structure, connection is more stable, and the direction of an air outlet can be changed randomly.

Preferably, the cylinder cover is fixedly connected with the cylinder sleeve through a plurality of screws, and a circle of sealing gasket for sealing is arranged at the joint of the cylinder cover and the cylinder sleeve.

Preferably, a circle of piston rings are arranged on the piston connecting rod positioned on the inner side of the cylinder sleeve, a check sheet is arranged on the inner side surface of the piston connecting rod through press riveting, and a fan blade is arranged on the output shaft at the bottom end of the brush motor.

Preferably, one end of the piston connecting rod, on which the piston ring is arranged, is provided with an inclined plane with the angle of 6.5 degrees, and the inner side end surface of the cylinder sleeve is also provided with an inclined plane with the angle of 6.5 degrees.

Compared with the prior art, the split assembled type inflation connecting piece is designed, any part of the inflation connecting piece can be independently replaced, replacement and use costs are saved, the designed double-check valve assembly can enlarge gas flow, inflation efficiency is stably improved, one end of the inner side of the piston connecting rod is an inclined plane of 6.5 degrees, the end face of the inner side of the cylinder sleeve is an inclined plane of 6.5 degrees, the subsequent integral inflation pump is smaller in size and convenient to carry and place, the bearing is designed at the driven inner gear shaft and the connecting rod shaft, rotation is more stable, and long-term stability of operation of the integral inflation pump core is ensured.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic diagram of an explosive structure according to the present utility model;

In the figure, 1, a brush motor; 2, fan blades, 3, a bracket, 4, a driven internal gear disk, 5, a piston connecting rod, 6, a cylinder sleeve, 7, a cylinder cover, 8, a bent connection, 9, a locking ring A, 10, a connecting hose, 11, a locking ring B, 12, a sensor seat, 13, a connecting rod shaft, 14, a bearing A, 15, a bearing B, 16, a driven gear shaft, 17, a driving gear, 18, a clamp spring, 19, a check valve, 20, a spring, 21, a sealing gasket, 22, a check sheet, 23 and a piston ring.

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.

Example 1

Referring to fig. 1 to 3, a first embodiment of the present utility model provides a brush air pump core, which includes a support 3, one end of the support 3 is integrally provided with a cylinder sleeve 6, an outer side of the cylinder sleeve 6 is communicated with a cylinder cover 7, a double check valve assembly is disposed at a communication position between the cylinder cover 7 and the cylinder sleeve 6, an outer side of the cylinder cover 7 is communicated with a split assembled air charging connector, a driven inner gear disc 4 is rotatably disposed on the support 3 through a driven gear shaft 16, a bearing B15 is disposed at a connection position between the driven inner gear disc 4 and the driven gear shaft 16, a brush motor 1 is fixedly mounted at a bottom of the support 3, a top output end of the brush motor 1 extends above the support 3, a driving gear 17 which rotates synchronously is disposed at an output end of the top of the brush motor 1, the driving gear 17 extends to an inner side of the driven inner gear disc 4, a piston connecting rod 5 for pushing air is disposed in the cylinder sleeve 6, and one end of the piston connecting rod 5 extends to an outer side of the cylinder sleeve 6 and is rotatably connected with the driven inner gear disc 4 through a connecting rod. In this embodiment, preferably, the link shaft member includes a link shaft 13 eccentrically and fixedly disposed on the driven internal gear 4, one end of the piston link 5 is rotatably sleeved on the link shaft 13 through a bearing a14, a clamping spring 18 for limiting and preventing falling is clamped at the top end of the link shaft 13, so as to play a role in preventing falling, and the clamping spring 18 can be flexibly detached and is convenient to install. In this embodiment, preferably, the double check valve assembly includes two check valves 19 and two springs 20 disposed at positions where the cylinder head 7 communicates with the cylinder liner 6, and each check valve 19 is attached to the communication position by one spring 20 to prevent the backflow of gas. In this embodiment, preferably, the inflatable connector includes a bent connection 8 connected to the cylinder cover 7 through screwing, a connection hose 10 connected to the bent connection 8 through a locking ring A9, and a sensor seat 12 connected to the connection hose 10 through a locking ring B11, so as to achieve splicing and assembly, facilitate replacement of each part, and the end of the bent connection 8 connected to the connection hose 10 is a threaded pagoda-shaped structure, so that connection is more stable, and the air outlet direction can be changed arbitrarily by the design of the bent connection 8. In this embodiment, preferably, the cylinder cover 7 is fixedly connected with the cylinder liner 6 through a plurality of screws, and a circle of sealing washers 21 for sealing are arranged at the joint of the cylinder cover 7 and the cylinder liner 6 to play a role in sealing. In this embodiment, preferably, a circle of piston rings 23 is disposed on the piston rod 5 located inside the cylinder sleeve 6, and a check plate 22 is disposed on the inner side surface of the piston rod 5 through press riveting, and a fan blade 2 is mounted on the output shaft at the bottom end of the brush motor 1.

In the embodiment, one end of the piston connecting rod 5, on which the piston ring 23 is arranged, is an inclined plane with the angle of 6.5 degrees, and the inner side end surface of the cylinder sleeve 6 is also an inclined plane with the angle of 6.5 degrees, and the design can directly enter into surface contact, so that compared with a connecting rod which is not inclined, when the connecting rod moves to the bottom of the cylinder sleeve 6, the resistance is smaller, and the high-pressure starting performance of the air pump can be remarkably improved.

Although embodiments of the present utility model have been shown and described in detail with reference to the foregoing detailed description, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations may be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. A brush air pump movement comprises a support (3), and is characterized in that a cylinder sleeve (6) is integrally arranged at one end of the support (3), a cylinder cover (7) is arranged at the outer side of the cylinder sleeve (6) in a communicating mode, a double check valve assembly is arranged at the communicating position of the cylinder cover (7) and the cylinder sleeve (6), a split assembled type inflation connecting piece is arranged at the outer side of the cylinder cover (7) in a communicating mode, a driven inner gear disc (4) is rotatably arranged on the support (3) through a driven gear shaft (16), a bearing B (15) is arranged at the connecting position of the driven inner gear disc (4) and the driven gear shaft (16), a brush motor (1) is fixedly arranged at the bottom of the support (3), a driving gear (17) capable of synchronously rotating is arranged at the output end of the top of the brush motor (1), the driving gear (17) is extended to the inner side of the driven inner gear disc (4) and is in meshed transmission, a piston (5) for pushing air is arranged in the cylinder sleeve (6), and a connecting rod (5) is extended to one end of the corresponding to the driven gear disc (5).

2. The brush air pump movement of claim 1, wherein the connecting rod shaft part comprises a connecting rod shaft (13) eccentrically and fixedly arranged on the driven internal gear plate (4), one end of the piston connecting rod (5) is rotatably sleeved on the connecting rod shaft (13) through a bearing A (14), and a clamping spring (18) for limiting and preventing falling is clamped at the top end of the connecting rod shaft (13).

3. A brush air pump cartridge according to claim 1, wherein the double check valve assembly comprises two check valves (19) and two springs (20) arranged at the positions where the cylinder cover (7) and the cylinder sleeve (6) are communicated, and each check valve (19) is attached to the communicating position through one spring (20).

4. The brush air pump movement according to claim 1, wherein the inflation connector comprises a bent joint (8) connected to the cylinder cover (7) through screw threads, a connecting hose (10) connected with the bent joint (8) through a locking ring A (9), and a sensor seat (12) connected with the connecting hose (10) through a locking ring B (11), and one end of the bent joint (8) connected with the connecting hose (10) is in a screw thread pagoda-shaped joint structure.

5. The brush air pump core according to claim 1, wherein the cylinder cover (7) is fixedly connected with the cylinder sleeve (6) through a plurality of screws, and a circle of sealing gasket (21) for sealing is arranged at the joint of the cylinder cover (7) and the cylinder sleeve (6).

6. The brush air pump movement according to claim 1, wherein a circle of piston rings (23) are arranged on a piston connecting rod (5) positioned on the inner side of a cylinder sleeve (6), a check sheet (22) is arranged on the inner side surface of the piston connecting rod (5) through press riveting, and a fan blade (2) is arranged on an output shaft at the bottom end of the brush motor (1).

7. The brush air pump movement of claim 6, wherein one end of the piston connecting rod (5) provided with the piston ring (23) is an inclined plane of 6.5 degrees, and the inner side end surface of the cylinder sleeve (6) is also an inclined plane of 6.5 degrees.