Transmission gear structure for new energy automobile

By setting up an automatic lubrication system and limit processing mechanism in the transmission gear structure of new energy vehicles, the problem of uneven coating and installation of lubricant oil is solved, the service life and operating stability of the gear are improved, and the disassembly and assembly process is simplified. .

CN222334462UActive Publication Date: 2025-01-10SUZHOU SIFUTE PRECISION TECH CO LTD
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Patent Information

Application Number
CN202420918349.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-29
Publication Date
2025-01-10
Estimated Expiration
2034-04-29

AI Technical Summary

Technical Problem

During use, the transmission gears of new energy vehicles are easily worn due to uneven application of lubricating oil, and it is difficult to quickly limit and disassemble during installation, which is prone to offset problems.

Method used

A transmission gear structure including a support shaft, a gear body and a fixed support frame is designed. Automatic lubricating oil is realized by setting up oil outlet holes, oil inlet holes, one-way valves, sliding sleeves and limit slide rods. The application and limit treatment are used to quickly install and disassemble and assemble with mounting bolts and bumps.

Benefits of technology

It improves the use effect of lubricating oil, reduces gear wear, ensures the running stability and disassembly and assembly of the transmission gear, and avoids deflection and offset.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of mechanical transmission, in particular to a transmission gear structure for a new energy automobile, which is characterized in that a gear main body is arranged on the outer side of a support shaft lever, a fixed support frame is arranged at the front end of the gear main body, a piston is slidably connected to the upper side in the fixed support frame, and an oil outlet is formed in the outer side of the gear main body; the gear body rotates to enable the mounting protruding block to rotate along with the gear body, the mounting protruding block can abut against the driven rolling wheel after rotating to the lower end, the limiting sliding rod can drive the sliding sleeve to move downwards, and therefore the piston can suck lubricating oil into the fixed supporting frame through the oil inlet one-way valve and the oil inlet pipe; and after the mounting convex block rotates to the upper end, the oil inlet hole can be connected with the oil supplementing one-way valve, so that the arranged spring can be elastically stretched, the piston can supplement the lubricating oil into the oil outlet hole, automatic lubricating oil smearing treatment can be carried out in the transmission gear rotating process, and abrasion of the transmission gear is reduced.
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Description

Technical Field

[0001] The utility model relates to a transmission gear structure for new energy vehicles, belonging to the technical field of automobile mechanical transmission devices. Background Art

[0002] As a transmission connector, the transmission gear is one of the important transmission mechanisms. It has the characteristics of a wide power transmission range, high transmission efficiency, high transmission accuracy, and can arbitrarily transmit the motion and power between two shafts. Based on the above characteristics, the transmission gear is widely used in the transmission system of the car. For the generator, gearbox and other structures in new energy vehicles, the transmission gear structure is also indispensable.

[0003] During the use of the transmission gears of existing new energy vehicles, if the lubricating oil in the gear box is poorly utilized, it will be difficult to evenly apply the lubricating oil to the gear surface, which will easily increase the wear of the gear and reduce the service life of the gear; and when the gear is installed, although there is an anti-deflection mechanism, it is difficult to perform rapid front and rear limit processing, which can easily cause the gear to deflect and make it difficult to quickly disassemble and assemble the gear. Utility Model Content

[0004] The purpose of the utility model is to provide a transmission gear structure for new energy vehicles to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a transmission gear structure for new energy vehicles, comprising a supporting shaft, a gear body and a fixed support frame, the outer side of the supporting shaft is provided with a gear body, the front end of the gear body is provided with a fixed support frame, the inner upper side of the fixed support frame is slidably connected with a piston, the outer side of the gear body is provided with an oil outlet hole, the left and right ends of the supporting shaft are fixedly connected with limiting convex strips, the lower side of the front end of the gear body is provided with a mounting protrusion, the upper end of the mounting protrusion is spirally connected with mounting bolts on both sides, and the mounting bolts are spirally connected to the gear body.

[0006] As a further optimization, the right end of the fixed support frame is sealed and connected to an oil inlet one-way valve, and the right end of the oil inlet one-way valve is sealed and connected to an oil inlet pipe.

[0007] As a further optimization, an oil storage tank is opened on the inner upper side of the fixed support frame, an oil replenishment one-way valve is provided at the upper end of the oil storage tank, and the oil replenishment one-way valve is sealedly connected to the fixed support frame.

[0008] As a further optimization, an oil inlet hole is opened on the upper side wall of the front end of the gear body, and the position of the oil inlet hole corresponds to the position of the oil replenishing one-way valve.

[0009] As a further optimization, the lower end of the piston is fixedly connected with a sliding sleeve, the inner side of the sliding sleeve is slidably connected with a fixed rod, the fixed rod is fixedly connected to the fixed support frame, and the surface of the fixed rod is covered with a spring.

[0010] As a further optimization, a limiting slide rod is fixedly connected to the lower side of the front end of the sliding sleeve, the limiting slide rod is slidingly connected to the fixed support frame, the outer side of the front end of the limiting slide rod is rotatably connected to a driven roller, and the driven roller is rollingly connected to the mounting protrusion.

[0011] As a further optimization, a threaded hole is opened at the front end of the gear body, and the position and size of the threaded hole correspond to the position and size of the mounting bolt.

[0012] The beneficial effect of the utility model is that the rotation of the gear main body is set so that the mounting protrusion can rotate with it, and after the mounting protrusion rotates to the lower end, the driven roller can be pressed, so that the limiting sliding rod can drive the sliding sleeve to move downward, so that the piston can suck the lubricating oil into the fixed support frame through the oil inlet check valve and the oil inlet pipe, and after the mounting protrusion rotates to the upper end, the oil inlet hole can be connected with the oil replenishing check valve, so that the set spring can be stretched, so that the piston can replenish the lubricating oil into the oil outlet hole, so that the automatic lubricating oil smearing process can be carried out during the rotation of the transmission gear, the lubricating oil use effect is improved, and the wear of the transmission gear is reduced. The utility model utilizes the effect of the limiting protrusion to prevent the gear main body from deflecting, and the mounting protrusion can be installed through the effect of the mounting bolt, so that the mounting protrusion not only has a transmission effect, but also can perform front and rear limit processing on the gear main body, so that the transmission gear can not only avoid deflection after installation, but also avoid offset phenomenon, improve the operating stability of the internal gear set of the new energy vehicle, and at the same time improve the convenience of disassembly and assembly of the gear. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used to explain the present invention together with the specific embodiments of the present invention and do not constitute a limitation to the present invention.

[0014] Figure 1 It is a structural diagram of the utility model;

[0015] Figure 2 It is a cross-sectional view of the installation structure of the utility model;

[0016] Figure 3 This is a cross-sectional view of the installation structure of the gear body of the utility model;

[0017] Figure 4 It is a top cross-sectional view of the installation structure of the installation protrusion and the installation bolt of the utility model;

[0018] Numbers in the figure: 1. Support shaft; 2. Gear body; 3. Fixed support frame; 4. Piston; 5. Oil outlet hole; 6. Limit convex strip; 7. Mounting convex block; 8. Mounting bolt; 9. Oil inlet check valve; 10. Oil inlet pipe; 11. Oil replenishment check valve; 12. Oil inlet hole; 13. Sliding sleeve; 14. Fixed rod; 15. Spring; 16. Limit slide rod; 17. Driven roller; 18. Threaded hole. DETAILED DESCRIPTION

[0019] 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.

[0020] Embodiment 1:

[0021] See also Figures 1 to 4A transmission gear structure for a new energy vehicle comprises a supporting shaft 1, a gear body 2 and a fixed support frame 3. The outer side of the supporting shaft 1 is provided with a gear body 2, the front end of the gear body 2 is provided with a fixed support frame 3, the upper side of the inner part of the fixed support frame 3 is slidably connected with a piston 4, the outer side of the gear body 2 is provided with an oil outlet 5, the right end of the fixed support frame 3 is sealed and connected with an oil inlet check valve 9, the right end of the oil inlet check valve 9 is sealed and connected with an oil inlet pipe 10, and the upper side of the inner part of the fixed support frame 3 is provided with an oil storage tank An oil replenishing check valve 11 is provided at the upper end of the oil storage tank, and the oil replenishing check valve 11 is sealedly connected to the fixed support frame 3. An oil inlet hole 12 is opened on the upper side wall of the front end of the gear body 2, and the position of the oil inlet hole 12 corresponds to the position of the oil replenishing check valve 11. A sliding sleeve 13 is fixedly connected to the lower end of the piston 4, and a fixed rod 14 is slidably connected to the inner side of the sliding sleeve 13. The fixed rod 14 is fixedly connected to the fixed support frame 3, and the surface of the fixed rod 14 is covered with a spring 15. The sliding sleeve 13 is fixedly connected to the fixed support frame 3. The lower side of the front end is fixedly connected with a limit slide bar 16, and the limit slide bar 16 is slidably connected with the fixed support frame 3. The outer side of the front end of the limit slide bar 16 is rotatably connected with a driven roller 17, and the driven roller 17 is rollingly connected with the mounting protrusion 7, so that the fixed support frame 3 is fixedly installed inside the gear box, and the mounting protrusion 7 can be rotated by setting the rotation of the gear body 2. After the mounting protrusion 7 rotates to the lower end, the driven roller 17 can be pressed to enable the limit slide bar 16 to drive the sliding sleeve 13 to move downward, so that the piston 4 can suck the lubricating oil into the fixed support frame 3 through the oil inlet check valve 9 and the oil inlet pipe 10, and after the mounting protrusion 7 rotates to the upper end, the oil inlet hole 12 can be connected with the oil replenishing check valve 11, so that the set spring 15 can be stretched, so that the piston 4 can replenish the lubricating oil into the oil outlet hole 5, so that the automatic lubricating oil smearing process can be carried out during the rotation of the transmission gear, thereby improving the use effect of the lubricating oil and reducing the wear of the transmission gear.

[0022] Embodiment 2:

[0023] See also Figure 1 , Figure 2 and Figure 4The difference between this embodiment and embodiment 1 is that: the left and right ends of the supporting shaft 1 are fixedly connected with the limiting convex strips 6, the lower side of the front end of the gear body 2 is provided with a mounting protrusion 7, the upper end of the mounting protrusion 7 is spirally connected with mounting bolts 8 on both sides, the mounting bolts 8 are spirally connected to the gear body 2, and the front end of the gear body 2 is provided with a threaded hole 18, the position and size of the threaded hole 18 correspond to the position and size of the mounting bolt 8, the gear body 2 can be prevented from deflecting by utilizing the limiting convex strips 6, and the mounting protrusions 7 can be installed by utilizing the mounting bolts 8, so that the mounting protrusions 7 not only have a transmission effect, but also can limit the gear body 2 front and rear, so that the transmission gear can not only avoid deflection after installation, but also avoid offset phenomenon, improve the running stability of the internal gear set of the new energy vehicle, and at the same time improve the convenience of disassembly and assembly of the gear.

[0024] Working principle of the utility model: when the device is in use, the fixed support frame 3 is fixedly installed inside the gear box, and the rotation of the gear body 2 is set to make the mounting protrusion 7 rotate with it, and after the mounting protrusion 7 rotates to the lower end, it can press the driven roller 17, so that the limit slide bar 16 can drive the sliding sleeve 13 to move downward, so that the piston 4 can suck the lubricating oil into the fixed support frame 3 through the oil inlet check valve 9 and the oil inlet pipe 10, and after the mounting protrusion 7 rotates to the upper end, the oil inlet hole 12 can be connected with the oil replenishment check valve 11, so that the set spring 15 can be stretched, so that the piston 4 can suck the lubricating oil The lubricating oil is replenished into the oil outlet hole 5, so that the lubricating oil can be automatically applied during the rotation of the transmission gear, thereby improving the use effect of the lubricating oil and reducing the wear of the transmission gear. The limiting convex strip 6 is used to prevent the gear body 2 from deflecting, and the mounting protrusion 7 can be installed through the mounting bolt 8, so that the mounting protrusion 7 not only has a transmission effect, but also can limit the gear body 2 front and rear, so that the transmission gear can not only avoid deflection after installation, but also avoid offset, thereby improving the operating stability of the internal gear set of the new energy vehicle and at the same time improving the convenience of disassembly and assembly of the gear.

[0025] 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 structure for a new energy vehicle, comprising a supporting shaft (1), a gear body (2) and a fixed support frame (3), characterized in that: A gear body (2) is provided on the outer side of the support shaft (1), a fixed support frame (3) is provided at the front end of the gear body (2), a piston (4) is slidably connected to the inner upper side of the fixed support frame (3), an oil outlet hole (5) is provided on the outer side of the gear body (2), the left and right ends of the support shaft (1) are fixedly connected to limit convex strips (6), a mounting convex block (7) is provided on the lower side of the front end of the gear body (2), the upper end of the mounting convex block (7) is spirally connected to the left and right sides thereof, and the mounting bolts (8) are spirally connected to the gear body (2).

2. The transmission gear structure for new energy vehicles according to claim 1, characterized in that: The right end of the fixed support frame (3) is sealedly connected to an oil inlet check valve (9), and the right end of the oil inlet check valve (9) is sealedly connected to an oil inlet pipe (10).

3. The transmission gear structure for new energy vehicles according to claim 1, characterized in that: An oil storage tank is provided on the upper inner side of the fixed support frame (3), an oil replenishment check valve (11) is provided at the upper end of the oil storage tank, and the oil replenishment check valve (11) is sealedly connected to the fixed support frame (3).

4. The transmission gear structure for new energy vehicles according to claim 1, characterized in that: An oil inlet hole (12) is provided on the upper side wall of the front end of the gear body (2), and the position of the oil inlet hole (12) corresponds to the position of the oil replenishment one-way valve (11).

5. The transmission gear structure for new energy vehicles according to claim 1, characterized in that: The lower end of the piston (4) is fixedly connected to a sliding sleeve (13), the inner side of the sliding sleeve (13) is slidably connected to a fixing rod (14), the fixing rod (14) is fixedly connected to the fixing support frame (3), and the surface of the fixing rod (14) is covered with a spring (15).

6. The transmission gear structure for new energy vehicles according to claim 5, characterized in that: The lower side of the front end of the sliding sleeve (13) is fixedly connected to a limiting sliding rod (16), the limiting sliding rod (16) is slidingly connected to the fixed support frame (3), the outer side of the front end of the limiting sliding rod (16) is rotatably connected to a driven roller (17), and the driven roller (17) is rollingly connected to the mounting protrusion (7).

7. The transmission gear structure for new energy vehicles according to claim 1, characterized in that: A threaded hole (18) is provided at the front end of the gear body (2), and the position and size of the threaded hole (18) correspond to the position and size of the mounting bolt (8).