Inflator pump capable of reducing noise

Abstract

The inflator pump capable of reducing the noise comprises a motor, a support base is fixedly installed at the top of the motor, a cylinder sleeve is arranged at one end of the support base, a piston head capable of horizontally moving is arranged in the cylinder sleeve, a gear transmission connecting rod assembly is arranged on the support base, and a piston rod is arranged on the piston head. A sound insulation shell cover is arranged on the outer side of a gear transmission connecting rod assembly of the motor, the end of the cylinder sleeve is communicated with a cylinder cover body, an air nozzle is arranged at the top end of the cylinder cover body, and a circle of air nozzle rubber coating insert is embedded in the air nozzle. The sound insulation shell cover with the mute effect covers the outer side of the gear transmission connecting rod assembly, so that sound generated by the operation of the gear transmission connecting rod assembly is absorbed by the sound insulation shell cover, the transmitted noise is reduced, the embedded mute cotton is designed in the air outlet channel in the cylinder cover, and the noise is reduced. And the air tap rubber coating insert is designed on the air tap of the cylinder cover main body, so that the noise at the air outlet position can be reduced, and the overall noise is reduced.

Description

Technical Field

[0001] The invention belongs to the technical field of air pumps, and in particular relates to an air pump capable of reducing noise. Background Art

[0002] The air pump is also called an air pump. The air pump works by the operation of the motor. When the motor is running, the valve of the connecting device is opened by the atmospheric pressure, and the gas enters the cylinder. When the tire is inflated, the valve is closed by the air pressure in the cylinder, and the gas enters the tire. As cars and motorcycles gradually enter thousands of households, various car accessories have also emerged, such as portable car air pumps.

[0003] The existing air pump generates noise during operation due to the presence of an internal motor and a transmission structure, and the sound insulation effect of the shell outside the air pump is limited. Therefore, the present invention proposes an air pump that can reduce noise. Summary of the invention

[0004] The object of the present invention is to provide an air pump capable of reducing noise, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: an air pump capable of reducing noise, comprising a motor, a bracket seat being fixedly mounted on the top of the motor, a cylinder sleeve being arranged at one end of the bracket seat, a piston head capable of horizontal movement being arranged in the cylinder sleeve, a gear transmission connecting rod assembly being arranged on the bracket seat, the output end of the motor can drive the piston head to reciprocate horizontally in the cylinder sleeve through the gear transmission connecting rod assembly, a sound insulation cover is arranged on the outside of the gear transmission connecting rod assembly of the motor, a cylinder head body is connected to the end of the cylinder sleeve, an air nozzle is arranged at the top of the cylinder head body, a circle of air nozzle rubber-coated insert is embedded in the air nozzle, and a ventilated silent part is arranged in the channel connecting the cylinder head body and the air nozzle.

[0006] Preferably, the gear transmission connecting rod assembly includes a driven gear rotatably mounted on a bracket seat through a rotating shaft, a driving gear fixedly mounted on an output end of a motor, a connecting shaft eccentrically mounted on the driven gear, and a connecting rod movably sleeved on the connecting shaft, the other end of the connecting rod is integrally connected to the piston head, the driving gear and the driven gear are meshed with each other for transmission, and the driving gear, driven gear, connecting rod and connecting shaft are all located on the inner side of the sound insulation cover.

[0007] Preferably, the sound insulation shell cover and the bracket seat are an integrated structure or fixedly connected by screws, one end of the sound insulation shell cover matches the shape and size of the cylinder sleeve, and one end of the sound insulation shell cover is in contact with the cylinder sleeve.

[0008] Preferably, the silencer comprises silencer cotton, which is arranged in a channel connecting the cylinder head body and the air nozzle, and a mounting flat cut surface is provided at the mounting position of the silencer cotton, and a pagoda-shaped interface is also provided on the cylinder head body.

[0009] Preferably, fan blades are installed at the output end at the bottom of the motor.

[0010] Preferably, a retaining spring sheet for preventing the connecting rod from detaching is provided at the top end of the connecting shaft, and the retaining spring sheet is engaged and connected with the top end of the connecting shaft.

[0011] Preferably, the sound-proof cotton is formed by compression of a multi-layer mesh layer structure.

[0012] Compared with the prior art, the present invention has the following beneficial effects:

[0013] By covering the outer side of the gear transmission connecting rod assembly with a sound insulation shell with a silent effect, the sound generated by the operation of the gear transmission connecting rod assembly is covered or absorbed by the sound insulation shell, so that the transmitted noise is reduced, and embedded silent cotton is designed in the internal air outlet channel of the cylinder head, and a rubber-wrapped air nozzle insert is designed on the air nozzle of the cylinder head body, so that the noise at the air outlet position can also be reduced, so that the overall noise is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0015] Figure 2 It is a cross-sectional structural schematic diagram of the present invention;

[0016] Figure 3 It is a structural schematic diagram of the cylinder head main body of the present invention;

[0017] In the figure: 1. Motor; 2. Bracket; 3. Cylinder liner; 4. Cylinder head body; 5. Sound insulation shell; 6. Connecting rod; 7. Piston head; 8. Driving gear; 9. Driven gear; 10. Rotating shaft; 11. Connecting shaft; 12. Air nozzle; 13. Air nozzle rubber insert; 14. Silent cotton; 15. Installation flat cut surface; 16. Interface. DETAILED DESCRIPTION

[0018] 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 described embodiments 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 creative work are within the scope of protection of the present invention.

[0019] Example 1

[0020] See also Figure 1 and Figure 3 The present invention provides a technical solution: an air pump capable of reducing noise, comprising a motor 1, a bracket seat 2 being fixedly mounted on the top of the motor 1, a cylinder sleeve 3 being arranged at one end of the bracket seat 2, a piston head 7 capable of horizontal movement being arranged in the cylinder sleeve 3, a gear transmission connecting rod assembly being arranged on the bracket seat 2, the output end of the motor 1 can drive the piston head 7 to reciprocate horizontally in the cylinder sleeve 3 through the gear transmission connecting rod assembly to realize the inflation work, a sound insulation shell 5 is arranged on the outer side of the gear transmission connecting rod assembly of the motor 1 to reduce the transmission of noise, a cylinder head body 4 is arranged at the end of the cylinder sleeve 3 in communication, a gas nozzle 12 is arranged at the top of the cylinder head body 4, a circle of gas nozzle rubber-wrapped insert 13 is embedded in the gas nozzle 12, a ventilated silent part is arranged in the channel communicating between the cylinder head body 4 and the gas nozzle 12 to ensure that the noise at the gas outlet position is reduced. In this embodiment, preferably, the gear transmission connecting rod assembly includes a driven gear 9 rotatably mounted on the bracket seat 2 through a rotating shaft 10, a driving gear 8 fixedly mounted on the output end of the motor 1, a connecting shaft 11 eccentrically mounted on the driven gear 9, and a connecting rod 6 movably sleeved on the connecting shaft 11, the other end of the connecting rod 6 is integrally connected to the piston head 7, the driving gear 8 and the driven gear 9 are meshed with each other for transmission, and the driving gear 8, the driven gear 9, the connecting rod 6 and the connecting shaft 11 are all located on the inner side of the sound insulation cover 5. In this embodiment, preferably, the soundproof shell 5 and the bracket seat 2 are an integrated structure or fixedly connected by screws, one end of the soundproof shell 5 matches the shape and size of the cylinder sleeve 3, and one end of the soundproof shell 5 fits the cylinder sleeve 3; in order to ensure the sound insulation effect; in this embodiment, preferably, the mute part includes a mute cotton 14, and the mute cotton 14 is arranged in the channel connected to the cylinder head body 4 and the air nozzle 12, and the installation place of the mute cotton 14 is provided with an installation flat cut surface 15, and the cylinder head body 4 is also provided with a pagoda-shaped interface 16, which can be conveniently connected to the pipe body and play a role in sealing the pipe body from detachment. In this embodiment, preferably, the output end at the bottom of the motor 1 is installed with a fan blade, which can play a role in heat dissipation. In this embodiment, preferably, the top of the connecting shaft 11 is provided with a spring plate for preventing the connecting rod 6 from detaching, and the spring plate is connected to the top of the connecting shaft 11 by snapping, which can ensure a stable connection and avoid detachment. In this embodiment, preferably, the mute cotton 14 is pressed and formed by a multi-layer mesh layer structure. It has a mute effect.

[0021] Although the embodiments of the present invention have been shown and described, as detailed above, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to the 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. An air pump capable of reducing noise, comprising a motor (1), a support seat (2) being fixedly mounted on the top of the motor (1), a cylinder sleeve (3) being arranged at one end of the support seat (2), a piston head (7) being arranged in the cylinder sleeve (3) and being capable of horizontal movement, a gear transmission connecting rod assembly being arranged on the support seat (2), the output end of the motor (1) being capable of driving the piston head (7) to move horizontally in the cylinder sleeve (3) through the gear transmission connecting rod assembly, and characterized in that: A soundproof shell (5) is arranged on the outside of the gear transmission connecting rod assembly of the motor (1); the end of the cylinder sleeve (3) is connected to a cylinder head body (4); a gas nozzle (12) is arranged at the top of the cylinder head body (4); a circle of gas nozzle rubber-coated inserts (13) are embedded in the gas nozzle (12); and a ventilated silent part is arranged in the channel connecting the cylinder head body (4) and the gas nozzle (12).

2. The air pump capable of reducing noise according to claim 1, characterized in that: The gear transmission connecting rod assembly comprises a driven gear (9) rotatably mounted on a support seat (2) via a rotating shaft (10), a driving gear (8) fixedly mounted on an output end of a motor (1), a connecting shaft (11) eccentrically mounted on the driven gear (9), and a connecting rod (6) movably sleeved on the connecting shaft (11), the other end of the connecting rod (6) being integrally connected to a piston head (7), the driving gear (8) and the driven gear (9) being meshed with each other for transmission, and the driving gear (8), the driven gear (9), the connecting rod (6) and the connecting shaft (11) are all located on the inner side of a sound insulation shell (5).

3. The air pump capable of reducing noise according to claim 1, characterized in that: The sound insulation shell (5) and the bracket seat (2) are of an integrated structure or are fixedly connected by screws; one end of the sound insulation shell (5) matches the shape and size of the cylinder sleeve (3), and one end of the sound insulation shell (5) fits the cylinder sleeve (3).

4. The air pump capable of reducing noise according to claim 1, characterized in that: The silent component comprises silent cotton (14), the silent cotton (14) being arranged in a channel connecting the cylinder head body (4) and the air nozzle (12), and a mounting flat cut surface (15) being arranged at the mounting position of the silent cotton (14), and a pagoda-shaped interface (16) being also arranged on the cylinder head body (4).

5. The air pump capable of reducing noise according to claim 1, characterized in that: The output end at the bottom of the motor (1) is equipped with fan blades.

6. The air pump capable of reducing noise according to claim 2, characterized in that: The top end of the connecting shaft (11) is provided with a spring clip for preventing the connecting rod (6) from being disengaged, and the spring clip is engaged and connected with the top end of the connecting shaft (11).

7. The air pump capable of reducing noise according to claim 4, characterized in that: The sound-proof cotton (14) is formed by pressing a multi-layer mesh structure.

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