Gear box capable of adjusting oil level of gear box
By introducing components such as sealing rings, limiting rings, and telescopic rods into the gearbox, the problem of oil leakage caused by poor gearbox sealing was solved, achieving effective sealing of lubricating oil and convenient disassembly of the oil tank, thus improving the lubrication effect.
Patent Information
- Application Number
- CN202520182647.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-06
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2035-02-06
AI Technical Summary
The existing gearboxes suffer from oil leakage during use due to poor sealing between the oil tank and the gearbox, resulting in ineffective lubrication.
An adjustable gearbox oil level structure was designed, including a sealing ring, a limiting ring, a telescopic rod and a spring combination. The oil supply pipe and the gearbox are effectively sealed through threaded connection and elastic jacking, and the oil tank is easy to disassemble and install through a sliding plate and push plate structure.
It achieves effective sealing of lubricating oil, prevents oil leakage, and facilitates quick disassembly and cleaning of the oil tank, thereby improving the lubrication effect of the gearbox.
Smart Images

Figure CN223794618U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to gear box technical field especially relates to a gear box of adjustable gear box oil level. BACKGROUND
[0002] Gear box as basic transmission device is widely used in rail transit, car, ship and other industries, and the gear in the gear box needs to be fully and effectively lubricated, in the initial working stage of the gear, the lubricating oil is located at the bottom of the gear box, when the gear box works, the oil valve opens, the lubricating oil of cooling enters the gear box from the oil tank, and then returns to the oil tank from the oil outlet of the gear box, and the circulation cooling is realized, power is transmitted to the driven gear through the driving gear, thereby realizing full and effective lubrication, when working to a certain stage, the oil temperature rises, the viscosity decreases, and the volume expands, at this time, the oil temperature in the oil tank needs to be controlled, and the oil inlet amount should be increased to adjust the oil temperature.
[0003] In the prior art, part of the gear box in the specific use process, when conveying lubricating oil in the gear box, the sealing between the oil tank and the gear box is not tight enough, thereby causing the problem of oil leakage between the oil tank and the gear box, so that the gear box cannot be lubricated, therefore, aiming at the above problems, the present application provides a gear box with adjustable gear box oil level. UTILITY MODEL CONTENTS
[0004] The utility model discloses a gear box with adjustable gear box oil level, which aims at improving the problem that the oil tank and the gear box cannot be sealed in the prior art.
[0005] To achieve the above object, the utility model provides the following technical scheme: a gear box with adjustable gear box oil level, comprising a base, the top of the base is fixedly connected with a gear box body, the inside of the base is slidably connected with an oil tank, the top of the oil tank is fixedly connected with an oil inlet assembly for conveying lubricating oil to the oil tank, the front side of the gear box body is fixedly connected with an observation assembly for detecting the oil amount in the gear box body, the top of the oil tank is fixedly connected with an oil pump, the top of the oil pump is fixedly connected with an oil conveying pipe, the rear side of the oil conveying pipe is fixedly connected with a soft pad, the outside of the oil conveying pipe is slidably connected with an internal thread cylinder, the inside of the internal thread cylinder is threadedly connected with an external thread cylinder, the inside of the external thread cylinder is fixedly connected with a limiting ring, the front side of the limiting ring is fixedly connected with two telescopic rods, the outside of the telescopic rods is sleeved with a spring one, and the front side of the two telescopic rods is fixedly connected with a sealing ring.
[0006] Further description of the above technical scheme:
[0007] The oil inlet assembly comprises a connecting pipe, the bottom of the connecting pipe is fixedly connected to the top of the oil tank, and a cover is threadedly connected to the outer portion of the connecting pipe.
[0008] As a further description of the above technical solution:
[0009] The observation assembly comprises two mounting blocks, the rear side of the mounting block is fixedly connected to the front side of the gear box, and an oil level gauge is fixedly connected to the side of the two mounting blocks.
[0010] As a further description of the above technical solution:
[0011] The inside of the base is provided with a mounting groove, a plurality of sleeves are fixedly connected to the inside of the mounting groove, a spring two is arranged in the inside of the sleeve, a cylindrical sleeve is slidably connected to the inside of the sleeve, a top block is fixedly connected to the top of every two cylindrical sleeves, two limiting blocks are fixedly connected to the outside of the top block, a sliding groove is arranged in the inside of the base, a sliding plate is slidably connected to the inside of the sliding groove, two limiting rods are fixedly connected to the inside of the sliding groove, a spring three is arranged on the outside of the limiting rod, and the rear side of the sliding plate is fixedly connected to a push plate.
[0012] As a further description of the above technical solution:
[0013] The outside of the oil conveying pipe is slidably connected to the inside of the limiting ring, and the rear side of the external thread cylinder is fixedly connected to the front side of the gear box.
[0014] As a further description of the above technical solution:
[0015] The material of the soft pad is rubber material, and the material of the sealing ring is rubber material.
[0016] As a further description of the above technical solution:
[0017] One side of the spring two is fixedly connected to the inside of the sleeve, and the other side of the spring two is fixedly connected to the inside of the cylindrical sleeve.
[0018] As a further description of the above technical solution:
[0019] The outside of the limiting block is slidably connected to the inside of the base, and the rear side of the push plate is in contact with the front side of the top block.
[0020] The utility model has the advantages of the following beneficial effects:
[0021] 1. In the utility model, the oil delivery pipe is inserted into the inside of the external thread cylinder, and is pushed by the sealing ring matched with the limiting ring and the telescopic rod and spring, the outer diameter of the one end of the oil delivery pipe inserted into the inside of the external thread cylinder is less than the inner diameter of the limiting ring, then effectively fits, thereby effectively seals, prevents lubricating oil from leaking out during conveying.
[0022] 2. In the utility model, the sliding plate pushes the block to make it retract into the inside of the base, then loosens the connection between the oil delivery pipe and the gear box, makes the oil tank slide out from the inside of the mounting groove, then makes the oil tank be quickly disassembled, is convenient for cleaning the inside of the oil tank. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 A perspective view of the gear box with adjustable oil level of the gear box is provided for the utility model;
[0024] Figure 2 A cover structure schematic view of the gear box with adjustable oil level of the gear box is provided for the utility model;
[0025] Figure 3 An oil tank structure schematic view of the gear box with adjustable oil level of the gear box is provided for the utility model;
[0026] Figure 4 An oil delivery pipe structure schematic view of the gear box with adjustable oil level of the gear box is provided for the utility model;
[0027] Figure 5 A block structure schematic view of the gear box with adjustable oil level of the gear box is provided for the utility model;
[0028] Figure 6 A limiting block structure schematic view of the gear box with adjustable oil level of the gear box is provided for the utility model;
[0029] Figure 7 A base structure schematic view of the gear box with adjustable oil level of the gear box is provided for the utility model;
[0030] Figure 8 A Figure 7 Enlarged view in A of the utility model.
[0031] LEGEND:
[0032] 1, base; 2, gear box; 3, oil tank; 4, connecting pipe; 5, cover; 6, mounting block; 7, oil level gauge; 8, oil pump; 9, oil delivery pipe; 10, soft pad; 11, internal thread cylinder; 12, external thread cylinder; 13, limiting ring; 14, telescopic rod; 15, spring I; 16, sealing ring; 17, mounting groove; 18, sleeve; 19, spring II; 20, cylindrical sleeve; 21, top block; 22, limiting block; 23, sliding groove; 24, sliding plate; 25, limiting rod; 26, spring III; 27, push plate. DETAILED DESCRIPTION
[0033] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0034] Referring to Figures 1 to 3 An embodiment provided by the utility model: a gear box with adjustable oil level, comprising a base 1, the base 1 is used to provide stable support, the top of the base 1 is fixedly connected with a gear box 2, gears and shafting are installed inside the gear box 2, which is used for mechanical transmission, the inside of the base 1 is slidably connected with an oil tank 3, the oil tank 3 is used to store lubricating oil, the top of the oil tank 3 is fixedly connected with an oil inlet assembly for delivering lubricating oil into the oil tank 3, the oil inlet assembly comprises a connecting pipe 4, the connecting pipe 4 is used to cooperate with a cover 5 to deliver lubricating oil into the oil tank 3, the bottom of the connecting pipe 4 is fixedly connected to the top of the oil tank 3, the connecting pipe 4 is externally threadedly connected with the cover 5, the front side of the gear box 2 is fixedly connected with an observation assembly for detecting the oil quantity inside the gear box 2, the observation assembly comprises two mounting blocks 6, the mounting blocks 6 are used to cooperate with an oil level gauge 7 to observe the oil level of lubricating oil inside the base 1, the rear side of the mounting blocks 6 is fixedly connected to the front side of the gear box 2, the oil level gauge 7 is fixedly connected to the proximal side of the two mounting blocks 6, the top of the oil tank 3 is fixedly connected with an oil pump 8, the oil pump 8 is used to draw lubricating oil inside the oil tank 3, the top of the oil pump 8 is fixedly connected with an oil delivery pipe 9, the oil delivery pipe 9 is used to cooperate with the oil pump 8 to deliver lubricating oil.
[0035] Referring to Figures 3 to 4As shown, the outer sliding connection of the oil delivery pipe 9 is inside the limiting ring 13, the rear side of the external threaded cylinder 12 is fixedly connected to the front side of the gear box body 2, the rear side of the oil delivery pipe 9 is fixedly connected with the soft pad 10, the soft pad 10 is used to enhance the sealing performance when conveying lubricating oil, the material of the soft pad 10 is rubber material, the material of the sealing ring 16 is rubber material, the outer sliding connection of the oil delivery pipe 9 is the internal threaded cylinder 11, the internal threaded cylinder 11 is used to connect and support the external threaded cylinder 12, the internal threaded connection of the internal threaded cylinder 11 is the external threaded cylinder 12, the external threaded cylinder 12 is used to connect and fix the gear box body 2, the internal fixed connection of the external threaded cylinder 12 is the limiting ring 13, the limiting ring 13 is used to connect the telescopic rod 14, the front side of the limiting ring 13 is fixedly connected with two telescopic rods 14, the telescopic rod 14 is used to prevent the spring 15 from deforming, the telescopic rod 14 is externally sleeved with the spring 15, the spring 15 is used to elastically push the sealing ring 16, the front side of the two telescopic rods 14 is fixedly connected with the sealing ring 16, and the sealing ring 16 is used to contact and seal the soft pad 10.
[0036] Referring to Figures 5 to 6 As shown, the inside of the base 1 is provided with a mounting groove 17, the mounting groove 17 is used to slide and limit the oil tank 3, a plurality of sleeves 18 are fixedly connected inside the mounting groove 17, the sleeves 18 and the cylindrical sleeve 20 are used to prevent the spring 19 from deforming, the inside of the sleeve 18 is provided with the spring 19, the spring 19 is used to push the top block 21, so that the top block 21 pops out, one side of the spring 19 is fixedly connected inside the sleeve 18, the other side of the spring 19 is fixedly connected inside the cylindrical sleeve 20, the inside of the sleeve 18 is slidably connected with the cylindrical sleeve 20, the top of every two cylindrical sleeves 20 is fixedly connected with the top block 21, the top block 21 is used to limit the bottom of the oil tank 3, the outside of the top block 21 is fixedly connected with two limiting blocks 22, the outside of the limiting block 22 is slidably connected inside the base 1, and the rear side of the push plate 27 is in contact with the front side of the top block 21.
[0037] Referring to Figures 7 to 8 As shown, the inside of the base 1 is provided with a sliding groove 23, the sliding groove 23 is used to make the sliding plate 24 slide, the sliding groove 23 is slidably connected with the sliding plate 24, the sliding plate 24 is used to connect the push plate 27, so as to push the top block 21, so that the top block 21 shrinks into the inside of the base 1 and does not block the oil tank 3, the inside of the sliding groove 23 is fixedly connected with two limiting rods 25, the limiting rod 25 is used to prevent the spring 26 from deforming, the outside of the limiting rod 25 is sleeved with the spring 26, the spring 26 is used to push and reset the sliding plate 24, and the rear side of the sliding plate 24 is fixedly connected with the push plate 27.
[0038] Working principle: when the staff needs to adjust the lubricating oil inside the base 1, first open the lid 5 and add lubricating oil to the inside of the oil tank 3 through the connecting pipe 4, then start the oil pump 8, and then the oil tank 3 inside the lubricating oil is extracted, and then transported to the inside of the gear box 2, then the oil level gauge 7 connected outside the gear box 2 can be used to observe the oil quantity in the gear box 2;
[0039] Then when the oil is transported to the inside of the gear box 2 through the oil pipe 9, only the connection between the oil pipe 9 and the gear box 2 needs to be effectively sealed, only the oil pipe 9 is inserted into the inside of the outer threaded cylinder 12, and the sealing ring 16 is moved by the limiting ring 13, the telescopic rod 14 and the spring 15, so that the sealing ring 16 is more fitted to the outside of the oil pipe 9, the outer diameter of the one end of the oil pipe 9 inserted into the inside of the outer threaded cylinder 12 is less than the inner diameter of the limiting ring 13, and then effectively fitted, so as to effectively seal, and at the same time, the inner threaded cylinder 11 and the outer threaded cylinder 12 are screwed outside, so that the connection between the oil pipe 9 and the gear box 2 is effectively supported;
[0040] Then when the oil tank 3 needs to be disassembled and cleaned quickly, only the sliding plate 24 is pushed, the sliding plate 24 moves the top block 21 by pushing the plate 27, the top block 21 is contracted downward, the top block 21 is contracted into the inside of the base 1, then the connection between the oil pipe 9 and the gear box 2 is released, the oil tank 3 is slid out from the inside of the installation groove 17, then the oil tank 3 is quickly disassembled, then when the oil tank 3 is installed, only the oil tank 3 is slid at the bottom of the installation groove 17, then the top block 21 is extruded by the oil tank 3, so that the top block 21 is contracted into the inside of the base 1, then after the oil tank 3 slides to the rear side of the top block 21, the top block 21 is moved by the sleeve 18, the spring 19 and the cylinder sleeve 20, so that the rear side of the top block 21 limits the front side of the oil tank 3, thereby completing the installation of the oil tank 3.
[0041] Finally, it should be pointed out that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A gearbox with adjustable oil level, comprising a base (1), characterised in that: The top of the base (1) is fixedly connected with a gear box (2), the inside of the base (1) is slidably connected with an oil tank (3), the top of the oil tank (3) is fixedly connected with an oil inlet assembly for delivering lubricating oil to the oil tank (3), the front side of the gear box (2) is fixedly connected with an observation assembly for detecting the oil quantity in the inside of the gear box (2), the top of the oil tank (3) is fixedly connected with an oil pump (8), the top of the oil pump (8) is fixedly connected with an oil delivery pipe (9), the rear side of the oil delivery pipe (9) is fixedly connected with a soft pad (10), the outside of the oil delivery pipe (9) is slidably connected with an inner threaded cylinder (11), the inside of the inner threaded cylinder (11) is threadedly connected with an outer threaded cylinder (12), the inside of the outer threaded cylinder (12) is fixedly connected with a limiting ring (13), the front side of the limiting ring (13) is fixedly connected with two telescopic rods (14), the outside of the telescopic rods (14) is sleeved with a spring (15), the front side of the two telescopic rods (14) is fixedly connected with a sealing ring (16).
2. A gearbox with adjustable oil level according to claim 1, characterized in that: The oil inlet assembly comprises a connecting pipe (4), the bottom of the connecting pipe (4) is fixedly connected with the top of the oil tank (3), and the outside of the connecting pipe (4) is threadedly connected with a cover (5).
3. A gear case with adjustable oil level according to claim 1, characterized in that: The observation assembly comprises two mounting blocks (6), the rear side of the mounting blocks (6) is fixedly connected with the front side of the gear box (2), and the proximal side of the two mounting blocks (6) is fixedly connected with an oil level gauge (7).
4. A gear case with adjustable oil level according to claim 1, characterized in that: The inside of the base (1) is provided with a mounting groove (17), a plurality of sleeves (18) are fixedly connected in the inside of the mounting groove (17), a spring (19) is arranged in the inside of the sleeve (18), a cylinder sleeve (20) is slidably connected in the inside of the sleeve (18), a top block (21) is fixedly connected with the top of every two cylinder sleeves (20), the outside of the top block (21) is fixedly connected with two limiting blocks (22), a sliding groove (23) is formed in the inside of the base (1), a sliding plate (24) is slidably connected in the inside of the sliding groove (23), two limiting rods (25) are fixedly connected in the inside of the sliding groove (23), a spring (26) is sleeved on the outside of the limiting rod (25), and a push plate (27) is fixedly connected with the rear side of the sliding plate (24).
5. A gear case with adjustable oil level according to claim 1, characterized in that: The outside of the oil delivery pipe (9) is slidably connected in the inside of the limiting ring (13), and the rear side of the outer threaded cylinder (12) is fixedly connected with the front side of the gear box (2).
6. A gear case with adjustable oil level according to claim 1, characterized in that: The material of the soft pad (10) is rubber, and the material of the sealing ring (16) is rubber.
7. A gear case with adjustable oil level according to claim 4, characterized in that: One side of the spring (19) is fixedly connected with the inside of the sleeve (18), and the other side of the spring (19) is fixedly connected with the inside of the cylinder sleeve (20).
8. A gear case with adjustable oil level according to claim 4, characterized in that: The outside of the limiting block (22) is slidably connected in the inside of the base (1), and the rear side of the push plate (27) is in contact with the front side of the top block (21).