Angle steering gear for electric and hybrid vehicles

Abstract

The utility model discloses an angle steering gear for electric and hybrid power vehicles, which comprises a shell, a driving cavity and an input shaft, the driving cavity is arranged in the shell, a fixed block is arranged on one side of the middle of a movable cavity, the input shaft is connected to one side of the top of the fixed block through a bearing, and the fixed block is connected with the input shaft through a bearing. The end, adjacent to the input shaft, of the fixing block is connected with an output shaft through a bearing, the outer wall of the side, away from the sealing cover, of the shell is connected with a heat conduction plate, heat dissipation fins are arranged on the side, away from the shell, of the heat conduction plate, supporting legs are arranged on the two sides of the bottom end of the shell, and clamping grooves are formed in the opposite sides of the two sets of supporting legs. And a mounting seat is arranged at the bottom of the shell. According to the angle steering gear, the clamping blocks are clamped in the clamping grooves so that the mounting base can be fixedly connected with the shell, the steering gear can be disassembled by pressing the pressing blocks on the two sides when the steering gear needs to be disassembled, heat transmitted by the heat conduction plate can be dissipated in a convection mode through the heat dissipation fins, and therefore the heat dissipation effect of the angle steering gear is enhanced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of angle steering gear, specifically for a kind of angle steering gear for electric, hybrid vehicle. BACKGROUND

[0002] Angle steering gear is a common automobile parts, also be called gear steering gear or steering gear. Its main function is to change the steering direction of wheel, thereby controls the driving direction of vehicle, present retrieval to be applied for No. CN201210463569.2, a kind of automobile angle steering gear, the structure of the automobile angle steering gear described in the application is simple, can realize quick refueling.

[0003] Similar to the above-mentioned automobile angle steering gear: although it can be refueled quickly by setting the refueling column between the rotating shaft and the driven shaft, but first, the existing angle steering gear is connected with the internal parts of automobile by bolt, bolt is prone to thread slipping phenomenon in long-time use, angle steering gear needs to be disassembled with the aid of tool to complete disassembly during maintenance, secondly, the internal transmission structure of angle steering gear is prone to generate a large amount of heat in the process of mutual friction during use, and it does not have heat dissipation mechanism.

[0004] Therefore, in view of the above, the existing structure and the lack are improved, and an angle steering gear for electric, hybrid vehicle is provided to achieve the purpose of higher practical value. INVENTION CONTENTS

[0005] The utility model aims at providing an angle steering gear for electric, hybrid vehicle to solve the problems of the above-mentioned automobile angle steering gear in the background art, i.e. the existing angle steering gear is connected with the internal parts of automobile by bolt, bolt is prone to thread slipping phenomenon in long-time use, angle steering gear needs to be disassembled with the aid of tool to complete disassembly during maintenance, and the internal transmission structure of angle steering gear is prone to generate a large amount of heat in the process of mutual friction during use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an angle steering gear for electric, hybrid vehicle, comprising a shell, a driving cavity and an input shaft, the inside of the shell is provided with a driving cavity, one side of the middle part of the movable cavity is provided with a fixed block, the input shaft is connected to the top side of the fixed block through bearing, one end of the fixed block adjacent to the input shaft is connected with an output shaft through bearing, the input shaft and the output shaft are both extended to the outside of the shell through the driving cavity, the output shaft and the input shaft are perpendicular to each other.

[0007] Further, the middle outer wall of the input shaft is arranged and connected with a first ball bearing, the middle outer wall of the output shaft is arranged and connected with a second ball bearing, the outer wall of the side of the input shaft close to the fixed block is key connected with a first umbrella gear, the outer wall of the side of the output shaft close to the fixed block is key connected with a second umbrella gear, and the first umbrella gear is engaged with the second umbrella gear.

[0008] Further, one side of the shell is provided with an oil column, the oil column is communicated with the driving cavity, the end of the oil column away from the driving cavity is provided with a cover, the outer wall of the side of the shell away from the cover is connected with a heat conduction plate, and the side of the heat conduction plate away from the shell is provided with a heat dissipation fin.

[0009] Further, the bottom ends of the shell are provided with supporting legs, and the opposite sides of the two groups of supporting legs are provided with clamping grooves.

[0010] Further, the inner sides of the two sides of the mounting seat are provided with movable cavities, the middle part of the movable cavity is connected with a rotating shaft through a bearing, the outer wall of the rotating shaft is key connected with a gear, the top side of the gear is provided with a first rack, the first rack is engaged with the gear, the side of the first rack is arranged and connected with a spring, the end of the spring away from the first rack is abutted with the inner wall of the movable cavity, the end of the first rack away from the spring is connected with a clamping block, and the end of the clamping block away from the first rack passes through the movable cavity and is clamped in the clamping groove.

[0011] Further, the side of the gear away from the first rack is provided with a second rack, the second rack is engaged with the gear, the side of the second rack close to the edge of the mounting seat is connected with a push rod, the end of the push rod away from the second rack is connected with a pressing block through the mounting seat, the two sides of the mounting seat are connected with flaps through hinges, and the flaps are covered outside the pressing block.

[0012] Compared with the prior art, the angle steering gear for the electric and hybrid vehicles has the following beneficial effects: the clamping block is clamped in the clamping groove to fixedly connect the mounting seat and the shell, the steering gear can be disassembled by pressing the two pressing blocks when disassembly is needed, the heat conduction plate transmits heat in the form of convection through the heat dissipation fin, and the heat dissipation effect of the angle steering gear is enhanced.

[0013] The clamping block is clamped in the clamping groove, so that the mounting seat is fixedly connected with the shell, when the steering gear needs to be disassembled, the two pressing blocks can be pressed, the pressing blocks push the push rod to move to the inside of the movable cavity, the movement of the push rod drives the second rack to translate, the movement of the second rack drives the gear to rotate, the rotation of the gear drives the first rack to translate towards the spring, the spring is compressed and shrunk, the movement of the first rack drives the clamping block to move and thus move out of the clamping groove, after moving out, the shell is lifted to realize the disassembly of the steering gear, the two sides of the mounting seat are connected with the flip covers through hinges, the flip covers are covered outside the pressing blocks, the flip covers are opened to press the pressing blocks, the flip covers play a protection role to avoid accidentally touching the pressing blocks when disassembly is not needed, the outer wall of the side, away from the cover, of the shell is connected with the heat conduction plate, the heat conduction plate can conduct the heat of the shell to the heat dissipation fins, the side, away from the shell, of the heat conduction plate is provided with the heat dissipation fins, the heat dissipation fins can dissipate the heat transferred by the heat conduction plate in the form of convection, so that the heat dissipation effect of the angle steering gear is enhanced. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a main body structure schematic view of an angle steering gear for an electric vehicle or a hybrid vehicle.

[0015] Figure 2 It is a front view structure schematic view of an angle steering gear for an electric vehicle or a hybrid vehicle.

[0016] Figure 3 It is a mounting seat structure schematic view of an angle steering gear for an electric vehicle or a hybrid vehicle.

[0017] Figure 4 It is a movable cavity structure schematic view of an angle steering gear for an electric vehicle or a hybrid vehicle.

[0018] In the figure: 1, shell; 2, driving cavity; 3, fixed block; 4, input shaft; 5, output shaft; 6, first ball bearing; 7, second ball bearing; 8, first bevel gear; 9, second bevel gear; 10, oil column; 11, cover; 12, heat conduction plate; 13, heat dissipation fin; 14, supporting leg; 15, clamping groove; 16, mounting seat; 17, limiting groove; 18, movable cavity; 19, rotating shaft; 20, gear; 21, first rack; 22, spring; 23, clamping block; 24, second rack; 25, push rod; 26, pressing block; 27, flip cover. DETAILED DESCRIPTION

[0019] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts under the premise that no creative efforts are made, belong to the scope of protection of the present application.

[0020] Please refer to Figure 1 Figure 4 The utility model provides a technical scheme: a kind of angle steering gear for electric, hybrid vehicle, including shell 1, drive cavity 2 and input shaft 4, the inside of shell 1 is provided with drive cavity 2, the middle part side of drive cavity 2 is provided with fixed block 3, fixed block 3 plays a fixed role, input shaft 4 is connected in the top side of fixed block 3 by bearing, input shaft 4 can be connected with drive mechanism and play input role, the end adjacent to input shaft 4 of fixed block 3 is connected with output shaft 5 by bearing, output shaft 5 can be diverted output to the torque input, the end of input shaft 4 and output shaft 5 away from fixed block 3 all extend to the outside of shell 1 through drive cavity 2, output shaft 5 and input shaft 4 are perpendicular to each other, output shaft 5 can be perpendicular to the rotation of the rotation of input shaft 4.

[0021] The middle part outer wall of input shaft 4 is connected with a ball bearing 6, and the ball bearing 6 enables the input shaft 4 to rotate stably. The middle part outer wall of output shaft 5 is connected with a second ball bearing 7, and the second ball bearing 7 enables the output shaft 5 to rotate stably. The side outer wall of input shaft 4 close to fixed block 3 is key connected with a first bevel gear 8, and the rotation of input shaft 4 can drive the first bevel gear 8 to rotate. The side outer wall of output shaft 5 close to fixed block 3 is key connected with a second bevel gear 9, and the first bevel gear 8 is engaged with the second bevel gear 9. The rotation of first bevel gear 8 drives the second bevel gear 9 to rotate, and at the same time, the output shaft 5 rotates to realize the rotation of torque angle.

[0022] One side of shell 1 is provided with an oil column 10, which can supplement lubricating oil into drive cavity 2. The oil column 10 is connected with the drive cavity 2. The end of the oil column 10 away from the drive cavity 2 is provided with a cover 11, which plays a sealing role. The side outer wall of the shell 1 away from the cover 11 is connected with a heat conduction plate 12, which can conduct the heat of the shell 1 to the heat dissipation fins 13. The side of the heat conduction plate away from the shell 1 is provided with heat dissipation fins 13, which can dissipate the heat transmitted by the heat conduction plate 12 in the form of convection, thereby enhancing the heat dissipation effect of the angle steering gear.

[0023] ​The bottom end of the shell 1 is provided with a support foot 14 on both sides, which plays a supporting and connecting role. The opposite side of the two groups of support feet 14 is provided with a clamping groove 15. The bottom of the shell 1 is provided with a mounting seat 16. The two sides of the mounting seat 16 are provided with through holes for fastening with the vehicle through bolts. The upper surface of the mounting seat 16 is provided with a limiting groove 17, and the support foot 14 is embedded in the limiting groove 17. The limiting groove 17 plays a limiting role.

[0024] The inside of the two sides of the mounting seat 16 is provided with a movable cavity 18. The movable cavity 18 is connected with a rotating shaft 19 through a bearing in the middle. The rotating shaft 19 can rotate in the movable cavity 18. The outer wall of the rotating shaft 19 is key-connected with a gear 20. The gear 20 can synchronously rotate with the rotating shaft 19. The top side of the gear 20 is provided with a first rack 21. The first rack 21 is engaged with the gear 20. The side of the first rack 21 is arranged and connected with a spring 22. The spring 22 is compressed and shrinks back to rebound. The rebound force of the spring 22 can push the first rack 21, so that the clamping block 23 is always clamped in the clamping groove 15. The end of the spring 22 away from the first rack 21 abuts against the inner wall of the movable cavity 18. The end of the first rack 21 away from the spring 22 is connected with the clamping block 23. The end of the clamping block 23 away from the first rack 21 passes through the movable cavity 18 and is embedded in the clamping groove 15. The clamping block 23 clamped in the clamping groove 15 makes the mounting seat 16 fixedly connected with the shell 1.

[0025] The side of the gear 20 away from the first rack 21 is provided with a second rack 24. The second rack 24 is engaged with the gear 20. The side of the second rack 24 close to the edge of the mounting seat 16 is connected with a push rod 25. The end of the push rod 25 away from the second rack 24 is connected with a pressing block 26 through the mounting seat 16. When the steering gear needs to be disassembled, the two sides of the pressing block 26 can be pressed. The pressing block 26 pushes the push rod 25 to move to the inside of the movable cavity 18. The movement of the push rod 25 drives the second rack 24 to translate. The movement of the second rack 24 drives the gear 20 to rotate. The rotation of the gear 20 drives the first rack 21 to translate towards the spring 22. The spring 22 is compressed and shrinks back. The movement of the first rack 21 drives the clamping block 23 to move and thus moves out of the clamping groove 15. After moving out, the shell 1 is lifted to realize the disassembly of the steering gear. The two sides of the mounting seat 16 are connected with a flip cover 27 through a hinge. The flip cover 27 covers the outside of the pressing block 26. The flip cover 27 can be opened to press the pressing block 26. The flip cover 27 plays a protection role to avoid accidentally touching the pressing block 26 when it is not needed to be disassembled.

[0026] Working principle: using a kind of for electric, hybrid vehicle angle steering gear, the mounting seat 16 is fastened with vehicle by bolt, input shaft 4 rotation can drive the umbrella gear 8 to rotate, the output shaft 5 is close to the outer wall key connection of fixed block 3 one side umbrella gear 9, the umbrella gear 8 is engaged with umbrella gear 9, the umbrella gear 8 rotation drives umbrella gear 9 to rotate simultaneously makes the output shaft 5 rotates to realize the torsion angle rotation, through oil column 10 can supplement lubricating oil to drive cavity 2, cover 11 plays the sealing effect, heat-conducting plate 12 can export the heat of shell 1 to radiating fin 13, radiating fin 13 can be in the form of convection to the heat that heat-conducting plate 12 transmits dissipates, to enhance the heat dissipation of angle steering gear, the clamping block 23 is engaged in the clamping groove 15 with shell 1 is fixedly connected, when the steering gear needs to be disassembled, the two sides press block 26 can be pressed, press block 26 pushes the push rod 25 to move to the inside of movable cavity 18, the push rod 25 moves and drives the second rack 24 to translate, the second rack 24 moves and drives the gear 20 to rotate, the gear 20 rotates and drives the first rack 21 to translate towards the spring 22 direction, the spring 22 is pressed and shrinks, the first rack 21 moves and drives the clamping block 23 to move to remove the clamping groove 15, after removing, lift shell 1 to realize the disassembly of steering gear, the two sides of mounting seat 16 are connected with the cover 27 by hinge, the cover 27 is covered in the outside of press block 26, the cover 27 can be pressed to press block 26, the cover 27 plays the protection effect and avoids when not needing to disassemble, accidentally touches press block 26.

Claims

1. An angular steering gear for electric, hybrid vehicles, comprising a housing (1), a drive chamber (2) and an input shaft (4), characterized in that: The inside of the shell (1) is provided with a drive cavity (2), one side of the middle part of the drive cavity (2) is provided with a fixed block (3), the input shaft (4) is connected to the top side of the fixed block (3) through the bearing, one end of the fixed block (3) adjacent to the input shaft (4) is connected with the output shaft (5) through the bearing, the input shaft (4) and the output shaft (5) away from the fixed block (3) extend to the outside of the shell (1) through the drive cavity (2), the output shaft (5) and the input shaft (4) are perpendicular to each other.

2. A pinion for an electric or hybrid vehicle according to claim 1, characterized in that: The middle part of the outer wall of the input shaft (4) is arranged and connected with a first ball bearing (6), the middle part of the outer wall of the output shaft (5) is arranged and connected with a second ball bearing (7), the side of the input shaft (4) close to the fixed block (3) is key connected with a first bevel gear (8), the side of the output shaft (5) close to the fixed block (3) is key connected with a second bevel gear (9), the first bevel gear (8) is engaged with the second bevel gear (9).

3. A pinion for an electric or hybrid vehicle according to claim 1, characterized in that: One side of the shell (1) is provided with an oil column (10), the oil column (10) is communicated with the drive cavity (2), one end of the oil column (10) away from the drive cavity (2) is provided with a cover (11), the outer wall of the side of the shell (1) away from the cover (11) is connected with a heat conduction plate (12), one side of the heat conduction plate (12) away from the shell (1) is provided with a heat dissipation fin (13).

4. A power assisted, hybrid vehicle, angular steering gear as claimed in claim 1, wherein: Both sides of the bottom end of the shell (1) are provided with supporting legs (14), the opposite sides of the two groups of supporting legs (14) are provided with clamping grooves (15), the bottom of the shell (1) is provided with a mounting seat (16), the upper surface of the mounting seat (16) is provided with a limiting groove (17), the supporting leg (14) is embedded in the limiting groove (17).

5. A pinion for an electric or hybrid vehicle according to claim 4, characterized in that: Both sides of the inside of the mounting seat (16) are provided with movable cavities (18), the middle part of the movable cavity (18) is connected with a rotating shaft (19) through the bearing, the outer wall of the rotating shaft (19) is key connected with a gear (20), the top side of the gear (20) is provided with a first rack (21), the first rack (21) is engaged with the gear (20), one side of the first rack (21) is arranged and connected with a spring (22), one end of the spring (22) away from the first rack (21) is abutted with the inner wall of the movable cavity (18), one end of the first rack (21) away from the spring (22) is connected with a clamping block (23), one end of the clamping block (23) away from the first rack (21) is embedded in the clamping groove (15) through the movable cavity (18).

6. A pinion for an electric, hybrid vehicle according to claim 5, characterized in that: One side of the gear (20) away from the first rack (21) is provided with a second rack (24), the second rack (24) is engaged with the gear (20), one side of the second rack (24) close to the edge of the mounting seat (16) is connected with a push rod (25), one end of the push rod (25) away from the second rack (24) is connected with a pressing block (26) through the mounting seat (16), both sides of the mounting seat (16) are connected with a flip cover (27) through the hinge, the flip cover (27) covers the outside of the pressing block (26).

Images