Power output reversing mechanism of engine, engine and motor tricycle
By introducing a corrugated tubular balance component and a pressure balancing assembly for connecting pipe sections into the engine of a three-wheeled motorcycle, the problems of oil emulsification and insufficient sealing are solved, resulting in good engine sealing and economy, extended service life and reduced maintenance costs.
Patent Information
- Application Number
- CN202423234573.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-26
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-26
AI Technical Summary
The reverse gear of existing three-wheeled motorcycle engines has problems with oil emulsification and insufficient sealing, which leads to increased operating costs and the risk of mechanical damage. In addition, temperature differences in the vent pipe cause condensation to form, affecting the effectiveness of the engine oil.
It adopts a corrugated tubular balancing component with set elasticity and a pressure balancing assembly for connecting pipe sections. It uses the principle of gas thermal expansion and contraction to balance the pressure inside and outside the reversing box, prevent oil evaporation and emulsification, enhance sealing, and extend service life through detachable installation.
It achieves good sealing and economy in the engine power output reversing mechanism, extends service life, and reduces maintenance frequency and cost.
Smart Images
Figure CN223672734U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to three -wheel motorcycle technical field especially relates to a three -wheel motorcycle engine and reversing mechanism. BACKGROUND
[0002] The existing three -wheel motorcycle engine's reverse ware usually is provided with the breather pipe, the breather pipe is connected with the atmosphere, the internal temperature rises after the gas spouts and will take out the oil, long -time operation needs to add the oil regularly, if forgets to check or forgets to add the oil, the oil in the reverse ware reduces, the bevel gear lubrication is insufficient, there is the damage risk, has increased the use cost, and the breather pipe and the atmosphere will exist the oil emulsification problem, when the breather pipe temperature and the air temperature difference are big, will form the condensate in the breather pipe inner wall and enter to the inside of the reverse ware, causes the oil emulsification invalid.
[0003] Therefore, it is urgent to develop a reversing mechanism with good sealing performance, and a power output reversing mechanism of an engine with good use versatility and economy. SUMMARY
[0004] Therefore, the utility model discloses a power output reversing mechanism of an engine, an engine and a three -wheel motorcycle, which has good sealing performance, good use versatility and economy.
[0005] The utility model discloses a power output reversing mechanism of an engine, which comprises a reversing box body and a reversing gear set arranged on the reversing box body.
[0006] Further, the pressure balance assembly comprises a balancing piece and a balancing seat, the balancing piece is installed on the reversing box body through the balancing seat and is in communication with the reversing box body through the balancing seat, so as to balance the internal and external pressures of the reversing box body.
[0007] Further, the balancing piece is a container structure with a set elasticity, and has the characteristics of pressure increasing expansion and pressure relief contraction.
[0008] Further, the balancing piece is a bellows structure, so as to have the characteristics of pressure increasing expansion and pressure relief contraction.
[0009] Further, the balancing seat is a communication pipe, which comprises a basic communication pipe segment for sealing installation and communication with the reversing box body and a balancing communication pipe segment for sealing communication with the balancing piece, and the balancing communication pipe segment and the basic communication pipe segment are arranged at a set angle.
[0010] Further, the basic communication pipe segment is installed on the reversing box body near the high point of the reversing box body.
[0011] Further, the balance communication pipe section extends upward.
[0012] Further, the balance communication pipe section is installed to be led out laterally near the high point of the side end cover of the reversing box body, and the balance communication pipe section extends upward or obliquely upward after being bent and is in sealed communication with the balance piece of the bellows-shaped structure.
[0013] The utility model also provides a kind of engine, the box body of the engine is detachably integrated with the power output reversing mechanism of any of the above described engine.
[0014] The utility model also provides a kind of three-wheeled motorcycle, the three-wheeled motorcycle is installed with the power output reversing mechanism and engine of any of the above described engine.
[0015] The utility model has the advantages that: the power output reversing mechanism of the engine, the engine and the three-wheeled motorcycle, the reversing mechanism is provided with a pressure balance assembly, which can balance the gas pressure in the reversing box body according to the thermal expansion and contraction principle of gas, and the balanced pressure ensures that the oil seal will not loosen, the pressure balance assembly and the reversing box body form a sealed whole and can isolate external air, prevent the gear oil of the reversing mechanism from evaporating and emulsifying, prolong the service life of the reversing mechanism, greatly shorten the maintenance cycle, and reduce the use cost. BRIEF DESCRIPTION OF DRAWINGS
[0016] The utility model will be further described below in combination with the drawings and examples:
[0017] Figure 1 It is a structural schematic diagram of the utility model;
[0018] Figure 2 It is Figure 1 It is a sectional view along A-A;
[0019] Figure 3 It is a sectional view of the engine installed with the utility model. DETAILED DESCRIPTION
[0020] Figure 1 It is a structural schematic diagram of the utility model, Figure 2 It is Figure 1 It is a sectional view along A-A, Figure 3 It is a sectional view along axial direction of the engine installed with the utility model, as shown in the figure: the power output reversing mechanism of the engine of the embodiment, including reversing box body 2 and reversing gear set arranged on the reversing box body 2, the reversing box body 2 is provided with pressure balance assembly for balancing the pressure of reversing box body inside and outside.
[0021] In the embodiment, the pressure balancing assembly comprises a balancing member 205 and a balancing seat 206, the balancing member 205 is installed in the reversing box 2 through the balancing seat 206 and is in communication with the reversing box through the balancing seat 206, thereby balancing the internal and external pressure of the reversing box 2; as shown in the figure, the pressure balancing assembly can balance the gas pressure in the reversing box according to the thermal expansion and contraction principle of gas, the balanced pressure can ensure that the oil seal will not be loose, at the same time, the pressure balancing assembly and the reversing box form a sealed whole and can isolate external air, prevent the gear oil of the reversing mechanism from volatilizing and emulsifying, and prolong the service life of the reversing mechanism.
[0022] In the embodiment, the balancing member 205 is a container structure with a set elasticity, and has the characteristics of pressure increasing and expanding and pressure releasing and shrinking. As shown in the figure, the balancing member 205 uses a high molecular material PE, has a certain elasticity and has the characteristics of oil resistance and high temperature resistance, and a balancing member made of other materials can also be used, which will not be described here.
[0023] In the embodiment, the balancing member 205 is a bellows structure, thereby having the characteristics of pressure increasing and expanding and pressure releasing and shrinking; as shown in the figure, the balancing member 205 adopts a bellows structure, the setting of the bellows shape makes the balancing member 205 have a certain stretching and shrinking ability, at the same time, since the reversing mechanism box 2 is in contact with the engine box 1, the heat of the engine will be conducted to the reversing mechanism box 2, and the internal gear of the reversing mechanism runs and rubs, so that the gas temperature in the internal space of the reversing mechanism box increases and the gas pressure increases, the balancing member 205 expands with the increase of the gas pressure, thereby balancing the gas pressure in the internal space of the reversing mechanism, making the pressure lower than the falling pressure of the oil seal installed in the reversing mechanism, and ensuring the reliability of the reversing mechanism.
[0024] In the embodiment, the balancing seat 206 is a communication pipe, which comprises a basic communication pipe section for sealing installation and communication with the reversing box and a balancing communication pipe section for sealing communication with the balancing member, and the balancing communication pipe section and the basic communication pipe section are at a set angle; as shown in the figure, there is a certain angle between the balancing communication pipe section and the basic communication pipe section, which can effectively reduce the accumulation of splashed oil in the balancing member 205 and prolong the service life.
[0025] In the embodiment, the basic communication pipe section is installed at a position near the high point of the reversing box 2; as shown in the figure, the basic communication pipe section is installed at the upper position of the reversing box 2, which can effectively communicate with the gas in the internal space of the box and prevent the splashed oil from entering the pressure balancing assembly.
[0026] In the embodiment, the balance communication pipe section extends upward, as shown in the figure, the balance communication pipe section of the balance seat 206 extends upward, the pressure balance assembly is installed on the reversing box 2 in an inclined manner, so that the oil in the reversing mechanism does not enter the pressure balance assembly with gas when the reversing mechanism operates, and the long-time operation of the reversing mechanism is ensured.
[0027] In the embodiment, the balance communication pipe section is transversely led out near the high point of the side end cover 201 of the reversing box 2, and the balance communication pipe section extends upward or obliquely upward after being bent and is in sealed communication with the balance piece 205 of the bellows-shaped structure, as shown in the figure, the connecting port of the balance piece 205 is fixed at the balance communication pipe section by the snap ring 204, and good sealing is achieved, and meanwhile, the balance communication pipe section extends upward or obliquely upward after being bent, so that the balance piece 205 is arranged in an inclined manner or the connecting port is arranged downward, and the accumulation of splashed oil in the balance piece 205 can be effectively reduced, compared with the traditional reverse gear and other mechanisms in which the internal space is connected with air through a breather pipe, the internal space of the reversing mechanism is separated from air, the maintenance and oil adding time of the reversing mechanism is prolonged, and the maintenance and cost in the later period are reduced.
[0028] As shown in the figure, the side end cover 201 of the reversing box is further provided with an oil filling port 202 for filling oil into the internal space of the box, the opening of the oil filling port 202 is inclined upward, so as to facilitate the filling of oil into the reversing box 2, and after the filling is completed, the oil cover 203 in the form of a bolt can be tightened to close and seal the opening, and the oil cover 203 can also be sealed in other manners, which will not be described herein.
[0029] The utility model also provides a kind of engine, the box of the engine is detachably integrated with the power output reversing mechanism of the engine described in any of the above, the power output reversing mechanism of the engine is detachably installed and has good sealing property, and simultaneously has good use versatility and economy, as shown in the figure, the reversing box 2 is installed in the engine box 1 in a detachable manner, the reversing box 2 is connected and fixed with the engine box 1 by bolt, easy to disassemble, conducive to reducing maintenance cost, and simultaneously, the reversing mechanism integrated in the engine box 1 can also be used, and this reversing mechanism integrated mode is prior art, which will not be described herein.
[0030] The utility model also provides a kind of three-wheeled motorcycle, the three-wheeled motorcycle is installed with the power output reversing mechanism of the engine described in any of the above and engine.
[0031] Finally, it is explained that the above embodiments are only used to illustrate the technical solutions of the present application and are not limited. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced by equivalents without departing from the purpose and scope of the present application. The technical solutions of the present application should be covered in the scope of the claims of the present application.
Claims
1. A power output reversing mechanism for an engine, characterized by: The reversing box and the reversing gear set arranged in the reversing box, the reversing box is provided with a pressure balance assembly for balancing the pressure inside and outside the reversing box, the pressure balance assembly comprises a balancing piece and a balancing seat, the balancing piece is installed in the reversing box through the balancing seat and is in communication with the reversing box through the balancing seat, thereby balancing the pressure inside and outside the reversing box.
2. The engine power output reversing mechanism according to claim 1, characterized by: The balancing piece is a container structure with a set elasticity, and has the characteristics of pressure expansion and pressure relief contraction.
3. The engine power output reversing mechanism according to claim 2, characterized by: The balancing piece is a bellows structure, thereby having the characteristics of pressure expansion and pressure relief contraction.
4. The engine power output reversing mechanism according to claim 1, characterized by: The balancing seat is a communication pipe, which is composed of a basic communication pipe segment for sealingly installing and communicating with the reversing box and a balancing communication pipe segment for sealingly communicating with the balancing piece, and the balancing communication pipe segment and the basic communication pipe segment are arranged at a set angle.
5. The engine power output reversing mechanism according to claim 4, characterized by: The basic communication pipe segment is installed at a position near the high point of the reversing box.
6. The engine power output reversing mechanism according to claim 4, characterized by: The balancing communication pipe segment extends upward.
7. An engine power take-off reversing mechanism according to claim 6, characterised in that: The balancing communication pipe segment is installed at the side end cover of the reversing box and is led out laterally near the high point, and the balancing communication pipe segment is bent and extends upward or obliquely upward and sealingly communicates with the balancing piece of the bellows structure.
8. An engine characterized by: The engine box is detachably and integrally installed with the power output reversing mechanism of the engine according to any one of claims 1-7.
9. A three-wheeled motorcycle characterized by: The three-wheeled motorcycle is installed with the power output reversing mechanism and the engine according to any one of claims 1-8.