Corrosion-resistant gear box body

Abstract

The utility model discloses a gearbox casing with corrosion resistance, which relates to the technical field of gearboxes and comprises an upper outer casing, the bottom of the upper outer casing is movably connected with a lower outer casing, an upper inner casing is arranged on the inner wall of the upper outer casing, and a lower inner casing is arranged on the inner wall of the lower outer casing. A first protruding block is arranged at the end, close to the upper inner shell, of the top end of the lower inner shell, a first sealing gasket is fixedly connected to the top end of the first protruding block, and a first groove is formed in the joint of the upper inner shell and the first protruding block. Lubricating oil is prevented from permeating through the first sealing gasket, the second sealing gasket further prevents the lubricating oil from permeating, and the third sealing gasket further prevents the lubricating oil from permeating from gaps. The upper outer shell and the upper inner shell are connected and separated through the first bolt, the lower outer shell and the lower inner shell are connected and separated through the second bolt, and the first connecting block and the second connecting block are connected and separated through the third bolt, so that the inner shell is convenient to replace after being corroded.

Description

Technical Field

[0001] The utility model relates to the technical field of gear boxes, in particular to a gear box body with corrosion resistance. Background Art

[0002] A gearbox is a mechanical device that performs mechanical power conversion. It can use several gears and several rotating shafts to change the speed, torque and transmission direction of the motor output. It is widely used in motor groups and is an important mechanical component.

[0003] After searching the existing Chinese patents: a gear box housing (publication number: CN220037414U) includes a lower housing and an upper housing, the lower housing and the upper housing are connected by a fixing mechanism, the upper housing is rotatably connected with a connecting pipe through a bearing, the upper end of the connecting pipe is rotatably connected with an oil supply mechanism through a sealing bearing, the lower end of the connecting pipe is vertically connected with a connecting cylinder, the connecting cylinder is provided with multiple leak holes at equal distances, and the connecting pipe is provided with a valve. This utility model is conducive to reducing friction resistance and reducing the loss during power transmission, and has certain use value.

[0004] Although the above patent is helpful to reduce friction resistance and power transmission loss, and has certain use value, the connection between the upper and lower housings of the device is not provided with a sealing component, which easily causes the internal lubricating oil to flow out from the gap, which is not conducive to the user. Therefore, it is necessary to invent a corrosion-resistant gear housing to solve the above problem. Utility Model Content

[0005] The utility model aims to provide a gear housing with corrosion resistance to solve the problem in the background art that no sealing component is provided at the connection between the upper and lower housings of the device, which easily causes the internal lubricating oil to flow out from the gap and is not conducive to user use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a corrosion-resistant gear case, comprising an upper outer shell, the bottom of the upper outer shell is movably connected to a lower outer shell, the inner wall of the upper outer shell is provided with an upper inner shell, the inner wall of the lower outer shell is provided with a lower inner shell, the top of the lower inner shell is provided with a first protrusion near one end of the upper inner shell, the top of the first protrusion is fixedly connected to a first sealing gasket, a first groove is provided at the intersection of the upper inner shell and the first protrusion, a second protrusion is provided at the bottom of the upper inner shell near one end of the lower inner shell, the bottom of the second protrusion is fixedly connected to a second sealing gasket, and a second groove is provided at the intersection of the lower inner shell and the second protrusion.

[0007] Preferably, a third convex block is provided at one end of the bottom of the upper outer shell body close to the lower outer shell body, and a third sealing gasket is fixedly connected to the bottom of the third convex block.

[0008] Preferably, a third groove is formed at the intersection of the lower outer shell and the third protrusion.

[0009] Preferably, the internal threads of the upper inner shell and the upper outer shell are connected with four groups of first bolts, and the four groups of first bolts are distributed in the upper inner shell and the upper outer shell in a rectangular shape.

[0010] Preferably, the lower outer shell and the lower inner shell are internally threadedly connected with four groups of second bolts, and the four groups of second bolts are distributed inside the lower outer shell and the lower inner shell in a rectangular shape.

[0011] Preferably, a first connection block is fixedly connected to an outer wall of the upper outer shell, and a second connection block is fixedly connected to an outer wall of the lower outer shell.

[0012] Preferably, the internal threads of the first connecting block and the second connecting block are connected by a plurality of groups of third bolts, and the plurality of groups of third bolts are distributed in the first connecting block and the second connecting block in a rectangular shape.

[0013] Technical effects and advantages of the utility model:

[0014] 1. By setting an upper outer shell, a lower outer shell, an upper inner shell, a lower inner shell, a first protrusion, a first sealing gasket, a first groove, a second protrusion, a second sealing gasket, a second groove, a third protrusion, a third sealing gasket, and a third groove, after the upper inner shell is connected to the lower inner shell, the first protrusion drives the first sealing gasket to be inserted into the first groove, and the first sealing gasket prevents the lubricating oil from penetrating. The second protrusion drives the second sealing gasket to be inserted into the second groove, and the second sealing gasket further prevents the lubricating oil from penetrating. Then, the upper outer shell is connected to the lower outer shell, and the third protrusion drives the third sealing gasket to be inserted into the third groove, so as to further prevent the lubricating oil from penetrating from the gap. The advantage is that the first protrusion can drive the first sealing gasket to prevent the lubricating oil from penetrating, the second protrusion drives the second sealing gasket to further prevent the lubricating oil from penetrating, and the third protrusion drives the third sealing gasket to further prevent the lubricating oil from penetrating from the gap;

[0015] 2. By arranging an upper outer shell, a lower outer shell, an upper inner shell, a lower inner shell, a first bolt, a second bolt, a first connecting block, a second connecting block, and a third bolt, the upper inner shell can be matched with the lower inner shell to prevent lubricating oil and the like from contacting and corroding the outer shell, and then the upper outer shell is connected and separated with the upper inner shell by the first bolt, the lower outer shell is connected and separated with the lower inner shell by the second bolt, the first connecting block drives the upper outer shell, the second connecting block drives the lower outer shell, and the third bolt connects and separates the first connecting block with the second connecting block, thereby driving the upper outer shell to be connected and separated with the lower outer shell, so that it is convenient to replace after the inner shell is corroded. The advantage is that the upper outer shell can be connected and separated with the upper inner shell by the first bolt, the lower outer shell can be connected and separated with the lower inner shell by the second bolt, and the first connecting block can be connected and separated with the second connecting block by the third bolt, so that it is convenient to replace after the inner shell is corroded. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 This is a schematic diagram of the main structure of a corrosion-resistant gear box of the utility model.

[0018] Figure 2 The utility model is a schematic diagram of a cross-sectional structure of a corrosion-resistant gear box.

[0019] Figure 3 The utility model is a top view schematic diagram of the explosion structure of a corrosion-resistant gear box.

[0020] Figure 4 The utility model is a bottom view schematic diagram of the explosion structure of a corrosion-resistant gear box.

[0021] In the figure: 1, upper outer shell; 2, lower outer shell; 3, upper inner shell; 4, lower inner shell; 5, first protrusion; 6, first sealing gasket; 7, first groove; 8, second protrusion; 9, second sealing gasket; 10, second groove; 11, third protrusion; 12, third sealing gasket; 13, third groove; 14, first bolt; 15, second bolt; 16, first connecting block; 17, second connecting block; 18, third bolt. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the utility model claimed for protection, but merely represents the selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0023] The utility model provides Figure 1-4 A corrosion-resistant gear case shown in the figure comprises an upper outer casing 1, wherein the upper outer casing 1 is used to cooperate with the lower outer casing 2 to protect the internal components; the bottom of the upper outer casing 1 is movably connected with the lower outer casing 2, wherein the lower outer casing 2 is used to cooperate with the upper outer casing 1 to protect the internal components; the inner wall of the upper outer casing 1 is provided with an upper inner casing 3, wherein the upper inner casing 3 is used to cooperate with the lower inner casing 4 to prevent lubricating oil and the like from contacting with the outer casing and corroding it; the inner wall of the lower outer casing 2 is provided with a lower inner casing 4, wherein the lower inner casing 4 is used to cooperate with the upper inner casing 3 to prevent lubricating oil and the like from contacting with the outer casing and corroding it; the top of the lower inner casing 4 is provided with a first protrusion 5 close to the end of the upper inner casing 3, wherein the first protrusion 5 is used to drive the first sealing gasket 6 to be inserted into the first groove 7; the top of the first protrusion 5 is fixedly connected with the first sealing Gasket 6, wherein the first sealing gasket 6 is used to seal the gap at the connection between the upper inner shell 3 and the lower inner shell 4 to prevent the lubricating oil from seeping out; a first groove 7 is provided at the intersection of the upper inner shell 3 and the first protrusion 5, wherein the first groove 7 is provided to accommodate the first protrusion 5 and the first sealing gasket 6; a second protrusion 8 is provided at the bottom of the upper inner shell 3 near one end of the lower inner shell 4, wherein the second protrusion 8 is used to drive the second sealing gasket 9 to be inserted into the second groove 10; a second sealing gasket 9 is fixedly connected to the bottom of the second protrusion 8, wherein the second sealing gasket 9 is used to further seal the gap at the connection between the upper inner shell 3 and the lower inner shell 4 to prevent the lubricating oil from seeping out; a second groove 10 is provided at the intersection of the lower inner shell 4 and the second protrusion 8, wherein the second groove 10 is provided to accommodate the second protrusion 8 and the second sealing gasket 9.

[0024] A third protrusion 11 is provided at one end of the bottom of the upper outer shell 1 close to the lower outer shell 2, wherein the third protrusion 11 is used to drive the third sealing gasket 12 to be inserted into the third groove 13; a third sealing gasket 12 is fixedly connected to the bottom of the third protrusion 11, wherein the third sealing gasket 12 is used to seal the gap at the connection between the upper outer shell 1 and the lower outer shell 2 to prevent the lubricating oil from seeping out.

[0025] A third groove 13 is formed at the intersection of the lower outer shell 2 and the third protrusion 11 , wherein the third groove 13 is formed to accommodate the third protrusion 11 and the third sealing gasket 12 .

[0026] The internal threads of the upper inner shell 3 and the upper outer shell 1 are connected with four groups of first bolts 14, which are distributed in a rectangular shape inside the upper inner shell 3 and the upper outer shell 1, wherein the first bolts 14 are used to connect and separate the upper inner shell 3 and the upper outer shell 1.

[0027] The internal threads of the lower outer shell 2 and the lower inner shell 4 are connected with four groups of second bolts 15, which are distributed in a rectangular shape inside the lower outer shell 2 and the lower inner shell 4, wherein the second bolts 15 are used to connect and separate the lower outer shell 2 and the lower inner shell 4.

[0028] The outer wall of the upper outer shell 1 is fixedly connected with a first connecting block 16, wherein the first connecting block 16 is connected to the upper outer shell 1 and drives it; the outer wall of the lower outer shell 2 is fixedly connected with a second connecting block 17, wherein the second connecting block 17 is connected to the lower outer shell 2 and drives it.

[0029] The first connecting block 16 and the second connecting block 17 are internally threadedly connected with a plurality of third bolts 18 , which are distributed in a rectangular shape inside the first connecting block 16 and the second connecting block 17 , wherein the third bolts 18 are used to connect and separate the first connecting block 16 and the second connecting block 17 .

[0030] Working principle: When using this corrosion-resistant gear housing, the user can match the upper inner housing 3 with the lower inner housing 4 to prevent the lubricating oil and gear meshing debris from contacting the outer housing and corroding it, and then connect and separate the upper outer housing 1 with the upper inner housing 3 through the first bolt 14, connect and separate the lower outer housing 2 with the lower inner housing 4 through the second bolt 15, and then connect the upper inner housing 3 with the lower inner housing 4. The first protrusion 5 drives the first sealing gasket 6 to be inserted into the first groove 7. The first sealing gasket 6 prevents the lubricating oil from penetrating, and the second protrusion 8 drives the second sealing gasket 9 is inserted into the second groove 10, the second sealing gasket 9 further prevents the penetration of lubricating oil, and then the upper outer shell 1 is connected with the lower outer shell 2, driving the third protrusion 11 and the third sealing gasket 12 to be inserted into the third groove 13, thereby further preventing the penetration of lubricating oil from the gap, and then the first connecting block 16 drives the upper outer shell 1, the second connecting block 17 drives the lower outer shell 2, and the third bolt 18 connects and separates the first connecting block 16 and the second connecting block 17, thereby driving the upper outer shell 1 and the lower outer shell 2 to be connected and separated, so as to facilitate replacement after the inner shell is corroded.

[0031] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention may be subject to various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A gear housing having corrosion resistance, comprising an upper outer housing (1), characterized in that: The bottom of the upper outer shell (1) is movably connected to the lower outer shell (2); the inner wall of the upper outer shell (1) is provided with an upper inner shell (3); the inner wall of the lower outer shell (2) is provided with a lower inner shell (4); a first protrusion (5) is provided at the top end of the lower inner shell (4) close to the upper inner shell (3); a first sealing gasket (6) is fixedly connected to the top end of the first protrusion (5); a first groove (7) is provided at the intersection of the upper inner shell (3) and the first protrusion (5); a second protrusion (8) is provided at the bottom end of the upper inner shell (3) close to the lower inner shell (4); a second sealing gasket (9) is fixedly connected to the bottom of the second protrusion (8); and a second groove (10) is provided at the intersection of the lower inner shell (4) and the second protrusion (8).

2. The corrosion-resistant gear housing according to claim 1, characterized in that: A third convex block (11) is provided at one end of the bottom of the upper outer shell (1) close to the lower outer shell (2), and a third sealing gasket (12) is fixedly connected to the bottom of the third convex block (11).

3. The corrosion-resistant gear housing according to claim 2, characterized in that: A third groove (13) is provided at the intersection of the lower outer shell (2) and the third protrusion (11).

4. The corrosion-resistant gear housing according to claim 1, characterized in that: The upper inner shell (3) and the upper outer shell (1) are internally threadedly connected with four groups of first bolts (14), and the four groups of first bolts (14) are distributed in the form of a rectangle inside the upper inner shell (3) and the upper outer shell (1).

5. The corrosion-resistant gear housing according to claim 1, characterized in that: The lower outer shell (2) and the lower inner shell (4) are internally threadedly connected with four groups of second bolts (15), and the four groups of second bolts (15) are distributed in the lower outer shell (2) and the lower inner shell (4) in a rectangular shape.

6. The corrosion-resistant gear housing according to claim 1, characterized in that: The outer wall of the upper outer shell (1) is fixedly connected to a first connection block (16), and the outer wall of the lower outer shell (2) is fixedly connected to a second connection block (17).

7. The corrosion-resistant gear housing according to claim 6, characterized in that: The first connection block (16) and the second connection block (17) are internally threadedly connected with a plurality of groups of third bolts (18), and the plurality of groups of third bolts (18) are distributed in a rectangular shape inside the first connection block (16) and the second connection block (17).

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