Straight cylinder type inflator pump

Abstract

The utility model discloses a straight tube type inflator pump which comprises a support, a motor is fixedly installed at one end of the support, a cylinder sleeve is fixedly connected to the other end of the support, a piston piece is arranged on the cylinder sleeve in a reciprocating motion mode, and an eccentric gear transmission piece is arranged between the motor and the piston piece. The motor drives the piston piece to do horizontal reciprocating motion through the eccentric gear transmission piece, and a plurality of air outlet assemblies with different calibers are arranged at the front end of the cylinder sleeve. A plurality of air outlet bent joints with different sizes are designed and matched with air outlet pipes with different sizes, so that the air pump is suitable for the requirements of different air inflation rates and can be freely selected, and the air pump is compact in structure and convenient to place and carry.

Description

Technical Field

[0001] The utility model belongs to the technical field of air pumps, and in particular relates to a straight-cylinder air pump. Background Art

[0002] An air pump is a device that can inflate air-requiring equipment. A piston air pump achieves inflation through the reciprocating motion of a motor-driven piston. Existing air pumps are generally equipped with an outlet pipe, which cannot meet the requirements of different inflation rates. Therefore, the present invention proposes a straight-cylinder air pump. Utility Model Content

[0003] The purpose of the present utility model is to provide a straight-cylinder air pump to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a straight-cylinder air pump, comprising a bracket, a motor fixedly mounted on one end of the bracket, a cylinder sleeve fixedly connected to the other end of the bracket, a piston member provided for reciprocating movement of the cylinder sleeve, an eccentric gear transmission member provided between the motor and the piston member, and the motor drives the piston member to perform horizontal reciprocating motion through the eccentric gear transmission member, and a plurality of air outlet components of different calibers are provided at the front end of the cylinder sleeve.

[0005] Preferably, the piston member includes a piston head horizontally movably arranged in the cylinder sleeve, and a connecting rod located on one side of the piston head, the other end of the connecting rod extends to the outside of the cylinder sleeve, and the piston head and the connecting rod are an integrated structure.

[0006] Preferably, the eccentric gear transmission component includes a driving gear fixedly mounted on the output shaft at one end of the motor, and a driven gear rotatably mounted on the bracket, the driven gear is meshed with the driving gear for transmission, a driven gear connecting rod connecting shaft is eccentrically mounted on the driven gear, one end of the connecting rod is sleeved on the driven gear connecting rod connecting shaft through a connecting rod bearing, and a retaining spring is provided at the top end of the driven gear connecting rod connecting shaft to prevent the connecting rod from detaching.

[0007] Preferably, a bracket bearing is provided at the connection between the bracket and the driven gear, and the bracket bearing and the driven gear are limitedly connected via a driven gear screw.

[0008] Preferably, the air outlet assembly includes a large air outlet bend and a small air outlet bend located at the end of the cylinder liner, the large air outlet bend is connected to the large air outlet pipe through a large locking ring, and the small air outlet bend is connected to the small air outlet pipe through a small locking ring.

[0009] Preferably, a circle of piston ring is engaged with the outer edge of the piston head, and the piston ring fits the cylinder liner.

[0010] Preferably, the motor and the bracket are fixedly connected via a plurality of bracket screws, and the bracket and the cylinder sleeve are fixedly connected via a plurality of cylinder sleeve self-tapping screws.

[0011] Preferably, a fan blade is installed on the output shaft at the other end of the motor.

[0012] Compared with the prior art, the beneficial effects of the present invention are: a plurality of air outlet elbows of different sizes are designed in the present invention, which are matched with air outlet pipes of different sizes, are suitable for requirements of different inflation rates, and can be freely selected; and the air pump of the present invention has a compact structure and is easy to place and carry. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 This is a schematic cross-sectional view of the utility model;

[0015] Figure 3 This is a schematic diagram of the explosion structure of the utility model;

[0016] In the figure: 1. Fan blade; 2. Large air outlet pipe; 3. Motor; 4. Driving gear; 5. Bracket; 6. Driven gear; 7. Circlip; 8. Connecting rod bearing; 9. Driven gear-connecting rod connecting shaft; 10. Connecting rod; 11. Cylinder liner self-tapping screw; 12. Piston ring; 13. Large locking ring; 14. Large air outlet elbow; 15. Cylinder liner; 16. Small air outlet elbow; 17. Small locking ring; 18. Small air outlet pipe; 19. Bracket bearing; 20. Driven gear screw; 21. Bracket screw; 22. Piston head. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0018] Example 1

[0019] See also Figures 1 to 3, which is the first embodiment of the present utility model, and this embodiment provides a technical solution: a straight-cylinder air pump, including a bracket 5, one end of which is fixedly mounted with a motor 3, the other end of which is fixedly connected with a cylinder sleeve 15, the cylinder sleeve 15 is provided with a piston member for reciprocating movement, an eccentric gear transmission member is provided between the motor 3 and the piston member, and the motor 3 drives the piston member to perform horizontal reciprocating motion through the eccentric gear transmission member, and the front end of the cylinder sleeve 15 is provided with a plurality of air outlet components of different calibers.

[0020] In this embodiment, preferably, the piston member includes a piston head 22 that is horizontally movable and disposed within the cylinder sleeve 15, and a connecting rod 10 located on one side of the piston head 22, the other end of the connecting rod 10 extending to the outside of the cylinder sleeve 15, and the piston head 22 and the connecting rod 10 are an integral structure. In this embodiment, preferably, the eccentric gear transmission member includes a driving gear 4 fixedly mounted on the output shaft at one end of the motor 3, a driven gear 6 rotatably mounted on the bracket 5, the driven gear 6 meshing with the driving gear 4 for transmission, a driven gear connecting rod connecting shaft 9 eccentrically mounted on the driven gear 6, one end of the connecting rod 10 is sleeved on the driven gear connecting rod connecting shaft 9 via a connecting rod bearing 8, and a retaining spring 7 is provided at the top end of the driven gear connecting rod connecting shaft 9 to prevent the connecting rod 10 from disengaging. In this embodiment, preferably, a bracket bearing 19 is provided at the connection between the bracket 5 and the driven gear 6, and the bracket bearing 19 and the driven gear 6 are limitedly connected by a driven gear screw 20 to prevent disengagement. In this embodiment, preferably, the air outlet assembly includes a large air outlet bend 14 and a small air outlet bend 16 located at the end of the cylinder sleeve 15. The large air outlet bend 14 is connected to the large air outlet pipe 2 through a large locking ring 13, and the small air outlet bend 16 is connected to the small air outlet pipe 18 through a small locking ring 17, ensuring that there are air outlet pipes with different speeds, suitable for different requirements. In this embodiment, preferably, a circle of piston ring 12 is provided on the outer edge of the piston head 22, and the piston ring 12 fits with the cylinder sleeve 15 to facilitate the pushing out of gas. In this embodiment, preferably, the motor 3 and the bracket 5 are fixedly connected by a plurality of bracket screws 21, and the bracket 5 and the cylinder sleeve 15 are fixedly connected by a plurality of cylinder sleeve self-tapping screws 11, in order to ensure the stability of the connection and the balance of the overall operation.

[0021] In this embodiment, preferably, a fan blade 1 is installed on the output shaft at the other end of the motor 3 .

[0022] Although embodiments of the present invention have been shown and described (see the detailed description above for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A straight-cylinder air pump, comprising a bracket (5), characterized in that: A motor (3) is fixedly mounted on one end of the bracket (5), and a cylinder sleeve (15) is fixedly connected to the other end of the bracket (5). The cylinder sleeve (15) is provided with a piston member for reciprocating movement. An eccentric gear transmission member is provided between the motor (3) and the piston member, and the motor (3) drives the piston member to perform horizontal reciprocating movement through the eccentric gear transmission member. A plurality of air outlet components with different calibers are provided at the front end of the cylinder sleeve (15).

2. A straight-cylinder air pump according to claim 1, characterized in that: The piston member comprises a piston head (22) horizontally movably arranged in a cylinder sleeve (15), and a connecting rod (10) located on one side of the piston head (22), the other end of the connecting rod (10) extending to the outside of the cylinder sleeve (15), and the piston head (22) and the connecting rod (10) are an integrated structure.

3. A straight-cylinder air pump according to claim 1, characterized in that: The eccentric gear transmission element comprises a driving gear (4) fixedly mounted on an output shaft at one end of a motor (3), and a driven gear (6) rotatably mounted on a bracket (5); the driven gear (6) and the driving gear (4) are meshed and transmitted; a driven gear connecting rod connecting shaft (9) is eccentrically mounted on the driven gear (6); one end of the connecting rod (10) is sleeved on the driven gear connecting rod connecting shaft (9) through a connecting rod bearing (8); and a retaining spring (7) is engaged at the top end of the driven gear connecting rod connecting shaft (9) to prevent the connecting rod (10) from being disengaged.

4. A straight-cylinder air pump according to claim 3, characterized in that: A bracket bearing (19) is provided at the connection between the bracket (5) and the driven gear (6), and the bracket bearing (19) and the driven gear (6) are connected in a limited manner via a driven gear screw (20).

5. The straight-cylinder air pump according to claim 1, characterized in that: The gas outlet assembly comprises a large gas outlet bend (14) and a small gas outlet bend (16) located at the end of the cylinder sleeve (15); the large gas outlet bend (14) is connected to the large gas outlet pipe (2) via a large locking ring (13); and the small gas outlet bend (16) is connected to the small gas outlet pipe (18) via a small locking ring (17).

6. A straight-cylinder air pump according to claim 2, characterized in that: A circle of piston ring (12) is engaged with the outer edge of the piston head (22), and the piston ring (12) is in contact with the cylinder sleeve (15).

7. The straight-cylinder air pump according to claim 1, characterized in that: The motor (3) and the bracket (5) are fixedly connected via a plurality of bracket screws (21), and the bracket (5) and the cylinder sleeve (15) are fixedly connected via a plurality of cylinder sleeve self-tapping screws (11).

8. The straight-cylinder air pump according to claim 1, characterized in that: A fan blade (1) is mounted on the output shaft at the other end of the motor (3).

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