Transmission gear assembly

Abstract

The utility model discloses a transmission gear assembly which comprises a first gear, the outer side of the first gear is in meshed connection with a second gear, the inner side of the second gear is rotationally connected with a first protective shell, and the inner side of the upper portion of the first protective shell is rotationally connected with a first gear. The first gear and the second gear are installed on the first protective shell, and then the first protective shell and the second protective shell are fixed through the screw rod and the nut, so that the situation that when the first gear and the second gear rotate, lubricating oil on the surfaces is thrown to the outside, the external environment of the gears is polluted, and cleaning by a user is inconvenient is effectively prevented; and meanwhile, the first protective shell and the second protective shell also effectively prevent other foreign objects from impacting the first gear and the second gear, the foreign objects are prevented from affecting rotation of the first gear and the second gear, and finally the transmission gear assembly with the protective shells well installed is fixed to a proper position through a second fixing block.

Description

Technical Field

[0001] The utility model belongs to the technical field of transmission gears, and in particular relates to a transmission gear assembly. Background Art

[0002] A gear is a mechanical component with teeth on the rim that can continuously mesh to transmit motion and power. The application of gears in transmission has appeared very early. Generally speaking, these raised parts are arranged radially, and the teeth on the mating gears contact each other, resulting in continuous meshing of the gears. Gears can be classified according to tooth shape, gear shape, tooth line shape, the surface where the teeth are located, and manufacturing method.

[0003] Some existing transmission gears are not protected by a housing. After the transmission gears are lubricated, the lubricating oil on the gears may splash due to the high-speed rotation of the gears, which may be inconvenient for users to clean. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the existing defects and provide a transmission gear assembly to solve the problem that some of the existing transmission gears proposed in the above background technology have no housing protection, and after the transmission gears are lubricated, the lubricating oil on the gears may splash due to the high-speed rotation of the gears, which may be inconvenient for users to clean.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a transmission gear assembly, comprising a first gear, a second gear meshingly connected to the outer side of the first gear, a first protective shell rotatably connected to the inner side of the second gear, a first gear rotatably connected to the inner side above the first protective shell, the first gear and the second gear are rotatably connected to the inner sides of the first gear and the second gear, two second protective shells are symmetrically arranged, and a first fixing block is fixedly connected to one side of the second protective shell, a plurality of first fixing blocks are symmetrically arranged, and screws are threadedly connected between adjacent first fixing blocks), a plurality of screws are symmetrically arranged, a fixing column is fixedly connected to one end of the screw, and a nut is threadedly connected to the outer side of the other end of the screw.

[0006] Preferably, one side of each of the first protective shell and the second protective shell is fixedly connected with a protective pad, and a plurality of the protective pads are symmetrically arranged.

[0007] Preferably, a spring is movably connected to the outer side of the screw rod, a plurality of springs are symmetrically arranged, and one end of the spring is movably connected to a first fixing block.

[0008] Preferably, a gasket is movably connected to the outer side of one end of the screw rod, a nut is movably connected to one side of the gasket, and a first fixing block is movably connected to the other side of the gasket.

[0009] Preferably, a knob is fixedly connected to the outer side of the fixing column, and a first fixing block is movably connected to one side of the knob.

[0010] Preferably, a second fixing block is fixedly connected to one side of the first protective shell, and two second fixing blocks are symmetrically arranged.

[0011] Preferably, the first protective shell and the second protective shell are both made of stainless steel.

[0012] Preferably, the outer surface of the screw is provided with an anti-oxidation coating.

[0013] Compared with the prior art, the utility model provides a transmission gear assembly, which has the following beneficial effects:

[0014] 1. The utility model provides a first protective shell and a second protective shell, wherein the first protective shell is rotatably connected to the first gear and the second gear respectively, and the second protective shell is movably connected to one side of the first protective shell. When the user uses the transmission gear assembly, the first gear and the second gear are mounted on the first protective shell, and then the first protective shell and the second protective shell are fixed by a screw and a nut, which effectively prevents the first gear and the second gear from throwing the lubricating oil on the surface to the outside when rotating, polluting the external environment of the gear and making it inconvenient for the user to clean. At the same time, the first protective shell and the second protective shell also effectively prevent other foreign objects from hitting the first gear and the second gear, and prevent foreign objects from affecting the rotation of the first gear and the second gear;

[0015] 2. The utility model provides a protective pad, one side of which is fixedly connected to the first protective shell and the second protective shell, so as to effectively prevent the contact surface of the first protective shell and the second protective shell from being worn and unable to fit tightly, and also effectively prevent the first protective shell and the second protective shell from moving;

[0016] 3. The utility model provides a spring, and a screw is movably connected to the inner side of the spring, which effectively increases the stability of the screw and prevents the screw from loosening.

[0017] The parts not involved in the device are the same as the existing technology or can be implemented by using the existing technology. The utility model has a scientific and reasonable structure, is safe and convenient to use, and provides great help to people. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0019] Figure 1 This is a schematic diagram of the axonometric structure of a transmission gear assembly proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the exploded structure of a transmission gear assembly proposed by the utility model;

[0021] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0022] Figure 4 This is a side structural schematic diagram of a transmission gear assembly proposed by the utility model;

[0023] In the figure: a first gear 1, a first protective shell 2, a second gear 3, a second protective shell 4, a first fixing block 5, a screw 6, a fixing column 7, a nut 8, a second fixing block 9, a protective pad 10, a knob 11, a spring 12, and a gasket 13. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-4 The utility model provides a technical solution: a transmission gear assembly, including a first gear 1, the outer side of the first gear 1 is meshedly connected with the second gear 3, the inner side of the second gear 3 is rotatably connected with the first protective shell 2, the inner side above the first protective shell 2 is rotatably connected with the first gear 1, the inner sides of the first gear 1 and the second gear 3 are both rotatably connected with the second protective shell 4, the second protective shell 4 is symmetrically arranged with two, one side of the first protective shell 2 and the second protective shell 4 is fixedly connected with a first fixing block 5, a plurality of first fixing blocks 5 are symmetrically arranged, adjacent first fixing blocks 5 are threadedly connected with screws 6, a plurality of screws 6 are symmetrically arranged, and one end of the screw 6 is It is fixedly connected with a fixing column 7, and the outer side of the other end of the screw rod 6 is threadedly connected with a nut 8. When the user uses the transmission gear assembly, the first gear 1 and the second gear 3 are installed on the first protective shell 2, and then the first protective shell 2 and the second protective shell 4 are fixed by the screw rod 6 and the nut 8, which effectively prevents the first gear 1 and the second gear 3 from throwing the lubricating oil on the surface to the outside when rotating, polluting the external environment of the gear, and making it inconvenient for the user to clean. At the same time, the first protective shell 2 and the second protective shell 4 also effectively prevent other foreign objects from hitting the first gear 1 and the second gear 3, and prevent foreign objects from affecting the rotation of the first gear 1 and the second gear 3.

[0026] In the utility model, preferably, a protective pad 10 is fixedly connected to one side of the first protective shell 2 and the second protective shell 4, and a plurality of protective pads 10 are symmetrically arranged, which effectively prevents the contact surfaces of the first protective shell 2 and the second protective shell 4 from being worn so that they cannot fit tightly together, and also effectively prevents movement between the first protective shell 2 and the second protective shell 4.

[0027] In the utility model, preferably, a spring 12 is movably connected to the outer side of the screw rod 6, and a plurality of springs 12 are symmetrically arranged. One end of the spring 12 is movably connected to the first fixing block 5, which effectively increases the stability of the screw rod 6 and prevents the screw rod 6 from loosening.

[0028] In the utility model, preferably, the outer side of one end of the screw rod 6 is movably connected with a gasket 13, one side of the gasket 13 is movably connected with a nut 8, and the other side of the gasket 13 is movably connected with a first fixing block 5, which effectively increases the stability of the screw rod 6.

[0029] In the utility model, preferably, the outer side of the fixing column 7 is fixedly connected with a knob 11, and one side of the knob 11 is movably connected with the first fixing block 5, which effectively facilitates the user to hold the knob 11 and tighten the screw 6.

[0030] In the utility model, preferably, a second fixing block 9 is fixedly connected to one side of the first protective shell 2, and two second fixing blocks 9 are symmetrically arranged, which effectively facilitates users to fix the transmission gear assembly at a specified position.

[0031] In the present invention, preferably, the first protective shell 2 and the second protective shell 4 are both made of stainless steel, which effectively increases the service life of the first protective shell 2 and the second protective shell 4 and prevents them from oxidation and rust.

[0032] In the present invention, preferably, the outer surface of the screw 6 is provided with an anti-oxidation coating, which effectively increases the anti-oxidation ability of the screw 6.

[0033] The working principle and use process of the utility model are as follows: when using the transmission gear assembly, the user installs the first gear 1 and the second gear 3 on the first protective shell 2, and then fixes the first protective shell 2 and the second protective shell 4 through the screw 6 and the nut 8, which effectively prevents the first gear 1 and the second gear 3 from throwing the lubricating oil on the surface to the outside when rotating, polluting the external environment of the gears and making it inconvenient for users to clean. At the same time, the first protective shell 2 and the second protective shell 4 also effectively prevent other foreign objects from hitting the first gear 1 and the second gear 3, preventing foreign objects from affecting the rotation of the first gear 1 and the second gear 3, and finally fixes the transmission gear assembly with the protective shell installed in a suitable position through the second fixing block 9.

[0034] 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 transmission gear assembly, comprising a first gear (1), characterized in that: The outer side of the first gear (1) is meshedly connected with the second gear (3), the inner side of the second gear (3) is rotatably connected with the first protective shell (2), the inner side above the first protective shell (2) is rotatably connected with the first gear (1), the inner sides of the first gear (1) and the second gear (3) are both rotatably connected with the second protective shell (4), two second protective shells (4) are symmetrically arranged, one side of the first protective shell (2) and the second protective shell (4) are both fixedly connected with a first fixing block (5), a plurality of the first fixing blocks (5) are symmetrically arranged, adjacent first fixing blocks (5) are threadedly connected with screw rods (6), a plurality of the screw rods (6) are symmetrically arranged, one end of each screw rod (6) is fixedly connected with a fixing column (7), and the outer side of the other end of each screw rod (6) is threadedly connected with a nut (8).

2. A transmission gear assembly according to claim 1, characterized in that: One side of each of the first protective shell (2) and the second protective shell (4) is fixedly connected with a protective pad (10), and a plurality of the protective pads (10) are symmetrically arranged.

3. A transmission gear assembly according to claim 1, characterized in that: The outer side of the screw rod (6) is movably connected to a spring (12), a plurality of springs (12) are symmetrically arranged, and one end of the spring (12) is movably connected to a first fixed block (5).

4. A transmission gear assembly according to claim 1, characterized in that: The outer side of one end of the screw rod (6) is movably connected to a gasket (13), one side of the gasket (13) is movably connected to a nut (8), and the other side of the gasket (13) is movably connected to a first fixing block (5).

5. The transmission gear assembly according to claim 1, characterized in that: The outer sides of the fixed columns (7) are fixedly connected to knobs (11), and one side of the knobs (11) is movably connected to the first fixed blocks (5).

6. A transmission gear assembly according to claim 1, characterized in that: A second fixing block (9) is fixedly connected to one side of the first protective shell (2), and two second fixing blocks (9) are symmetrically arranged.

7. The transmission gear assembly according to claim 1, characterized in that: The first protective shell (2) and the second protective shell (4) are both made of stainless steel.

8. The transmission gear assembly according to claim 1, characterized in that: The outer surface of the screw (6) is provided with an anti-oxidation coating.

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