Gear reducer with dustproof function

Abstract

The gear reducer with the dustproof function comprises a gear reducer body, an output shaft is arranged on the inner surface of the gear reducer body, a second baffle is fixedly connected to the outer surface of the output shaft, and a first baffle is fixedly connected to the position, located on the right side of the second baffle, of the outer surface of the output shaft. And the right side of the gear reducer body is fixedly connected with a sealing sleeve. The sealing sleeve, the first clamping groove and the first baffle are arranged, the effect of first-stage sealing can be achieved, the nitrile rubber plate, the damping shock absorber, the spring, the support and the fourth clamping groove are arranged, the nitrile rubber plate can be attached to the surface of the first baffle all the time, and therefore the purpose of second-stage sealing is achieved; the gear reducer is provided with the first clamping groove and the second clamping groove which can play a role in third-stage sealing, the fluorocarbon rubber sleeve and the third clamping groove can play a role in fourth-stage sealing, and the overall sealing performance of the gear reducer body is effectively improved through cooperation of the structures.

Description

Technical Field

[0001] The utility model relates to the technical field of gear reducers, in particular to a gear reducer with a dustproof function. Background Art

[0002] The gear reducer is an external meshing involute helical cylindrical gear reducer produced according to the national professional standard ZBJ19004. It is widely used in metallurgy, mining, lifting, transportation, cement, construction, chemical industry, textile, printing and dyeing, pharmaceutical and other fields. However, the existing gear reducer lacks dustproof mechanism, resulting in poor overall sealing, which easily leads to dust entering the body and reduces its service life. Utility Model Content

[0003] The purpose of the utility model is to provide a gear reducer with a dustproof function to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gear reducer with a dustproof function, comprising a gear reducer body, an output shaft is provided on the inner surface of the gear reducer body, a second baffle is fixedly connected to the outer surface of the output shaft, a first baffle is fixedly connected to the outer surface of the output shaft and located on the right side of the second baffle, a sealing sleeve is fixedly connected to the right side of the gear reducer body, and a second slot and a first slot are respectively provided at the connection between the sealing sleeve and the second baffle and the first baffle, a fourth slot is provided on the right side of the sealing sleeve, and a damping shock absorber and a spring are fixedly connected to the left side of the inner cavity of the fourth slot, a bracket is fixedly connected to the right side of the damping shock absorber and the spring, and a nitrile rubber plate is fixedly connected to the right side of the bracket, a third slot is provided at the left end of the inner cavity of the sealing sleeve, and a fluorocarbon rubber sleeve is provided on the inner surface of the third slot.

[0005] Preferably, a mounting plate is fixedly connected to the bottom of the gear reducer body, and mounting holes are provided around the inner surface of the mounting plate.

[0006] Preferably, reserved holes are provided at the connection points between the nitrile rubber plate and the fluorocarbon rubber sleeve and the output shaft, and the damping shock absorber is located on the inner side of the spring.

[0007] Preferably, the outer side of the fluorocarbon rubber sleeve is fixedly connected to a limiting block, and a limiting groove is provided at the connection between the sealing sleeve and the limiting block.

[0008] Preferably, there are multiple fourth card slots, and the angles between every two adjacent fourth card slots are the same.

[0009] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0010] 1. The utility model is provided with a sealing sleeve, a first slot and a first baffle, which can play a role of a first-level seal; a nitrile rubber plate, a damping shock absorber, a spring, a bracket and a fourth slot are provided, so that the nitrile rubber plate can always be attached to the surface of the first baffle, thereby achieving the purpose of a second-level seal; a second slot and a second baffle are provided, which can play a role of a third-level seal; a fluorocarbon rubber sleeve and a third slot are provided, which can play a role of a fourth-level seal. Through the cooperation of the above structures, the overall sealing of the gear reducer body is effectively improved.

[0011] 2. The utility model is provided with a limit groove and a limit block, which can improve the overall stability of the fluorocarbon rubber sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of the structure of the utility model;

[0013] Figure 2 This is a schematic diagram of the cross-sectional structure of the sealing sleeve of the utility model;

[0014] Figure 3 This is a schematic diagram of the structure of the fluorocarbon rubber sleeve of the utility model.

[0015] In the figure: gear reducer body 1, mounting hole 2, output shaft 3, first baffle plate 4, mounting plate 5, sealing sleeve 6, nitrile rubber plate 7, damping shock absorber 8, second slot 9, fluorocarbon rubber sleeve 10, limit slot 11, third slot 12, second baffle plate 13, spring 14, first slot 15, bracket 16, limit block 17, fourth slot 18. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] The gear reducer body 1, mounting hole 2, output shaft 3, first baffle 4, mounting plate 5, sealing sleeve 6, nitrile rubber plate 7, damping shock absorber 8, second slot 9, fluorocarbon rubber sleeve 10, limit slot 11, third slot 12, second baffle 13, spring 14, first slot 15, bracket 16, limit block 17 and fourth slot 18 of the present application are all universal standard parts or parts known to technical personnel in this field, and their structures and principles can be known to technical personnel through technical manuals or through conventional experimental methods.

[0018] See also Figure 1-Figure 3A gear reducer with dustproof function includes a gear reducer body 1, an output shaft 3 is arranged on the inner surface of the gear reducer body 1, a second baffle 13 is fixedly connected to the outer surface of the output shaft 3, and the third-level seal is played, and the first baffle 4 is fixedly connected to the outer surface of the output shaft 3 and located on the right side of the second baffle 13, and a sealing sleeve 6 is fixedly connected to the right side of the gear reducer body 1, and the second card groove 9 and the first card groove 15 are respectively opened at the connection between the sealing sleeve 6 and the second baffle 13 and the first baffle 4, which can play the role of the first-level seal. The sealing sleeve 6 has a fourth card slot 18 on the right side, and the damping shock absorber 8 and the spring 14 are fixedly connected to the left side of the inner cavity of the fourth card slot 18, the damping shock absorber 8 and the spring 14 are fixedly connected to the right side with a bracket 16, and the right side of the bracket 16 is fixedly connected with a nitrile rubber plate 7, so that the nitrile rubber plate 7 can always be attached to the surface of the first baffle 4, thereby achieving the purpose of the second-level sealing, and the left end of the inner cavity of the sealing sleeve 6 has a third card slot 12, and the inner surface of the third card slot 12 is provided with a fluorocarbon rubber sleeve 10, which can play the role of the fourth-level sealing.

[0019] The bottom of the gear reducer body 1 is fixedly connected to a mounting plate 5, and mounting holes 2 are provided around the inner surface of the mounting plate 5. Reserved holes are provided at the connection between the nitrile rubber plate 7 and the fluorocarbon rubber sleeve 10 and the output shaft 3, and the damping shock absorber 8 is located on the inner side of the spring 14. The outer side of the fluorocarbon rubber sleeve 10 is fixedly connected to a limiting block 17, and a limiting groove 11 is provided at the connection between the sealing sleeve 6 and the limiting block 17, which can improve the overall stability of the fluorocarbon rubber sleeve 10. There are multiple fourth slots 18, and the angles between every two adjacent fourth slots 18 are the same.

[0020] When in use, a sealing sleeve 6, a first slot 15 and a first baffle 4 are provided, which can play a role of a first-level seal; a nitrile rubber plate 7, a damping shock absorber 8, a spring 14, a bracket 16 and a fourth slot 18 are provided, so that the nitrile rubber plate 7 can always be attached to the surface of the first baffle 4, thereby achieving the purpose of a second-level seal; a second slot 9 and a second baffle 13 are provided, which can play a role of a third-level seal; a fluorocarbon rubber sleeve 10 and a third slot 12 are provided, which can play a role of a fourth-level seal; through the cooperation of the above structures, the overall sealing of the gear reducer body 1 is effectively improved; a limiting groove 11 and a limiting block 17 are provided, which can improve the overall stability of the fluorocarbon rubber sleeve 10.

[0021] Although embodiments of the present invention have been shown and described, it will be appreciated 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 that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A gear reducer with dustproof function, comprising a gear reducer body (1), characterized in that: An output shaft (3) is disposed on the inner surface of the gear reducer body (1), a second baffle (13) is fixedly connected to the outer surface of the output shaft (3), a first baffle (4) is fixedly connected to the outer surface of the output shaft (3) and located on the right side of the second baffle (13), a sealing sleeve (6) is fixedly connected to the right side of the gear reducer body (1), and a second slot (9) and a first slot (15) are respectively provided at the connection between the sealing sleeve (6) and the second baffle (13) and the first baffle (4). A fourth slot (18) is provided on the right side of the sealing sleeve (6), and a damping shock absorber (8) and a spring (14) are fixedly connected to the left side of the inner cavity of the fourth slot (18), a bracket (16) is fixedly connected to the right side of the damping shock absorber (8) and the spring (14), and a nitrile rubber plate (7) is fixedly connected to the right side of the bracket (16), and a third slot (12) is provided at the left end of the inner cavity of the sealing sleeve (6), and a fluorocarbon rubber sleeve (10) is provided on the inner surface of the third slot (12).

2. The gear reducer with dustproof function according to claim 1, characterized in that: A mounting plate (5) is fixedly connected to the bottom of the gear reducer body (1), and mounting holes (2) are provided around the inner surface of the mounting plate (5).

3. The gear reducer with dustproof function according to claim 1, characterized in that: The connection points between the nitrile rubber plate (7) and the fluorocarbon rubber sleeve (10) and the output shaft (3) are all provided with reserved holes, and the damping shock absorber (8) is located on the inner side of the spring (14).

4. The gear reducer with dustproof function according to claim 1, characterized in that: The outer side of the fluorocarbon rubber sleeve (10) is fixedly connected to a limiting block (17), and a limiting groove (11) is provided at the connection between the sealing sleeve (6) and the limiting block (17).

5. The gear reducer with dustproof function according to claim 1, characterized in that: The number of the fourth card slots (18) is plural, and the angles between every two adjacent fourth card slots (18) are the same.

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