Power switching device suitable for new energy automobile

Abstract

According to the technical scheme, the power switching device suitable for the new energy automobile is characterized in that the power switching device comprises a first transmission shaft, the first transmission shaft is sleeved with a first end cover, a first synchronous wheel is connected to the position, above the first end cover, of the first transmission shaft through a first set screw, and the first end cover is in threaded connection with a plurality of first screws; a first ratchet wheel assembly and an adjusting ring are arranged on the bottom side of the first transmission shaft; the first ratchet wheel assembly comprises a first ratchet wheel disc, a first pawl is arranged in the first ratchet wheel disc, a first spring is arranged between the first ratchet wheel disc and the first pawl, a second pawl is installed in the first ratchet wheel disc, and a second spring is arranged between the second pawl and the first ratchet wheel disc. The method has the technical effects that distribution of vehicle power is controlled through electromagnetic force, the purpose of controlling large power through small power is achieved, and control logic is simplified.

Description

Technical Field

[0001] The present invention relates to the technical field of new energy vehicles, and in particular to a power switching device suitable for new energy vehicles. Background Art

[0002] New energy vehicles refer to vehicles that use unconventional automotive fuels as their power source (or use conventional automotive fuels and adopt new on-board power devices), and integrate advanced technologies in vehicle power control and drive to form vehicles with advanced technical principles, new technologies and new structures. New energy vehicles include pure electric vehicles, extended-range electric vehicles, hybrid vehicles, fuel cell electric vehicles and hydrogen engine vehicles.

[0003] When switching the power of new energy vehicles, a power switching device is required. The existing power switching device has a relatively complex structure, adopts hydraulic and solenoid valve control, has complex control logic and a short service life. Summary of the invention

[0004] The purpose of the present invention is to provide a power switching device suitable for new energy vehicles, which has the advantages of controlling the distribution of vehicle power through electromagnetic force, achieving the purpose of controlling large power with small power, and simplifying the control logic.

[0005] The above technical objectives of the present invention are achieved through the following technical solutions: A power switching device suitable for new energy vehicles, comprising a first transmission shaft, a first end cover is sleeved on the first transmission shaft, a first synchronous wheel is connected to the first transmission shaft above the first end cover through a first set screw, a plurality of first screws are threadedly connected to the first end cover, and a first ratchet assembly and an adjustment ring are provided on the bottom side of the first transmission shaft; The first ratchet assembly includes a first ratchet disk, a first pawl is provided in the first ratchet disk, a first spring is provided between the first ratchet disk and the first pawl, a second pawl is installed in the first ratchet disk, a second spring is provided between the second pawl and the first ratchet disk, a third pawl is provided in the first ratchet disk, a third spring is installed between the third pawl and the first ratchet disk, and a first guide hole, a second guide hole, a third guide hole and a first spline hole are opened on the surface of the first ratchet disk.

[0006] The present invention is further configured as follows: a second end cover is arranged below the first end cover, a second transmission shaft and a second ratchet assembly are arranged between the first end cover and the second end cover, the adjustment ring is connected between the first ratchet assembly and the second ratchet assembly, a synchronization block is installed between the first ratchet assembly and the second ratchet assembly, and a synchronization ring is installed between the first end cover and the second end cover.

[0007] The present invention is further configured as follows: a first nut is threadedly connected to the first screw, a second synchronous wheel is sleeved on the second transmission shaft, and a second set screw is provided between the second synchronous wheel and the second transmission shaft.

[0008] The present invention is further configured as follows: the second ratchet assembly includes a second ratchet plate, a fourth pawl is provided in the second ratchet plate, a fourth spring is provided between the second ratchet plate and the fourth pawl, a fifth pawl is installed in the second ratchet plate, a fifth spring is provided between the fifth pawl and the second ratchet plate, a sixth pawl is provided in the second ratchet plate, a sixth spring is installed between the sixth pawl and the second ratchet plate, and a fourth guide hole, a fifth guide hole, a sixth guide hole and a second spline hole are provided on the surface of the second ratchet plate.

[0009] The present invention is further configured as follows: the synchronization block includes a retaining frame, a first locking rod, a second locking rod and a third locking rod are circumferentially evenly spaced on the top side of the retaining frame, and a fourth locking rod, a fifth locking rod and a sixth connecting rod are circumferentially evenly spaced on the bottom side of the retaining frame, and a first magnetic ring is arranged on the outer side of the retaining frame.

[0010] The present invention is further configured as follows: the first locking rod, the second locking rod and the third locking rod are respectively installed in the first guide hole, the second guide hole and the third guide hole in a one-to-one correspondence, and the fourth locking rod, the fifth locking rod and the sixth connecting rod are respectively installed in the fourth guide hole, the fifth guide hole and the sixth guide hole in a one-to-one correspondence.

[0011] The present invention is further configured as follows: a first slot, a second slot and a third slot are circumferentially and evenly spaced apart near the bottom side of the first transmission shaft, a first through hole is penetrated through the center of the first transmission shaft, and a first threaded hole is provided on the surface of the first transmission shaft.

[0012] The present invention is further configured as follows: a fourth slot, a fifth slot and a sixth slot are circumferentially and evenly spaced near the bottom of the second transmission shaft, a second through hole is penetrated through the center of the second transmission shaft, and a second threaded hole is provided on the surface of the second transmission shaft.

[0013] The present invention is further configured as follows: the synchronization ring is composed of a first coil, a second coil and a third coil in sequence from top to bottom.

[0014] In summary, by controlling the distribution of vehicle power through electromagnetic force, the purpose of controlling large power with small power can be achieved, and the control logic can be simplified. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 Schematic diagram of the explosion of the invention.

[0016] Figure 2 This is an isometric map of the invention.

[0017] Figure 3 It is a partial top view of the invention.

[0018] Figure 4 For invention Figure 3 Sectional view of AA.

[0019] Figure 5 It is a top view of the first ratchet assembly of the invention.

[0020] Figure 6 For invention Figure 5 Middle BB section view.

[0021] Figure 7 It is a top view of the second ratchet assembly of the invention.

[0022] Figure 8 For invention Figure 7 Middle CC section view.

[0023] Fig. 9 It is a schematic diagram of the structure of the synchronization block of the invented parts.

[0024] Fig.10 This is a schematic diagram of the structure of the synchronization block of the invented parts from another angle.

[0025] Fig.11 It is a schematic diagram of the structure of the first transmission shaft of the invented part.

[0026] Fig.12 It is a schematic diagram of the structure of the second transmission shaft of the invented part.

[0027] Fig.13 It is a schematic diagram of the structure of the invented component synchronizer ring.

[0028] 1. first synchronous wheel; 2. first screw; 3. first end cover; 4. first transmission shaft; 401. first slot; 402. second slot; 403. third slot; 404. first through hole; 405. first threaded hole; 5. first ratchet assembly; 501. first pawl; 502. first spring; 503. second pawl; 504. second spring; 505. third pawl; 506. third spring; 507. first ratchet plate; 508. first guide hole; 509. second guide hole; 510. third guide hole; 511. first spline hole; 6. adjustment ring; 7. synchronous block; 701. first locking rod; 702. second locking rod; 703. third locking rod; 704. retaining frame; 705. first magnetic ring; 706. fourth locking rod; 707. first The fifth locking rod; 708, the sixth locking rod; 8, the synchronous ring; 801, the first coil; 802, the second coil; 803, the third coil; 9, the second ratchet assembly; 901, the fourth pawl; 902, the fourth spring; 903, the fifth pawl; 904, the fifth spring; 905, the sixth pawl; 906, the sixth spring; 907, the fourth guide hole; 908, the fifth guide hole; 909, the sixth guide hole; 910, the second ratchet plate; 911, the second spline hole; 10, the second transmission shaft; 1001, the fourth slot; 1002, the fifth slot; 1003, the sixth slot; 1004, the second through hole; 1005, the second threaded hole; 11, the second end cover; 12, the first nut; 13, the second synchronous wheel; 14, the first set screw; 15, the second set screw. DETAILED DESCRIPTION

[0029] The present invention is further described in detail below in conjunction with the accompanying drawings.

[0030] Example: Refer to Figure 1-13As shown, a power switching device suitable for new energy vehicles includes a first transmission shaft 4, a first end cover 3 is sleeved on the first transmission shaft 4, a first synchronous wheel 1 is connected to the first transmission shaft 4 above the first end cover 3 through a first set screw 14, a plurality of first screws 2 are threadedly connected to the first end cover 3, a first ratchet assembly 5 and an adjustment ring 6 are provided on the bottom side of the first transmission shaft 4, the first ratchet assembly 5 includes a first ratchet disc 507, a first pawl 501 is provided in the first ratchet disc 507, a first spring 502 is provided between the first ratchet disc 507 and the first pawl 501, a second pawl 503 is installed in the first ratchet disc 507, and a first spring 502 is provided between the first ratchet disc 507 and the first ratchet disc 507. A second spring 504 is arranged between the first ratchet disc 507, a third pawl 505 is arranged in the first ratchet disc 507, a third spring 506 is installed between the third pawl 505 and the first ratchet disc 507, a first guide hole 508, a second guide hole 509, a third guide hole 510 and a first spline hole 511 are opened on the surface of the first ratchet disc 507, a second end cover 11 is arranged below the first end cover 3, a second transmission shaft 10 and a second ratchet assembly 9 are arranged between the first end cover 3 and the second end cover 11, an adjusting ring 6 is connected between the first ratchet assembly 5 and the second ratchet assembly 9, a synchronization block 7 is installed between the first ratchet assembly 5 and the second ratchet assembly 9, and a synchronization ring 8 is installed between the first end cover 3 and the second end cover 11.

[0031] Furthermore, a first nut 12 is threadedly connected to the first screw 2 , a second synchronous wheel 13 is sleeved on the second transmission shaft 10 , and a second set screw 15 is provided between the second synchronous wheel 13 and the second transmission shaft 10 .

[0032] Furthermore, the second ratchet assembly 9 includes a second ratchet disk 910, a fourth pawl 901 is provided in the second ratchet disk 910, a fourth spring 902 is provided between the second ratchet disk 910 and the fourth pawl 901, a fifth pawl 903 is installed in the second ratchet disk 910, a fifth spring 904 is provided between the fifth pawl 903 and the second ratchet disk 910, a sixth pawl 905 is provided in the second ratchet disk 910, a sixth spring 906 is installed between the sixth pawl 905 and the second ratchet disk 910, and a fourth guide hole 907, a fifth guide hole 908, a sixth guide hole 909 and a second spline hole 911 are provided on the surface of the second ratchet disk 910.

[0033] Furthermore, the synchronization block 7 includes a retaining frame 704, and the top side of the retaining frame 704 is circumferentially evenly spaced with a first locking rod 701, a second locking rod 702 and a third locking rod 703, and the bottom side of the retaining frame 704 is evenly spaced with a fourth locking rod 706, a fifth locking rod 707 and a sixth connecting rod, and the outer side of the retaining frame 704 is provided with a first magnetic ring 705, the first locking rod 701, the second locking rod 702 and the third locking rod 703 are respectively installed in the first guide hole 508, the second guide hole 509 and the third guide hole 510 in a one-to-one manner, and the fourth locking rod 706, the fifth locking rod 707 and the sixth connecting rod are respectively installed in the fourth guide hole 907, the fifth guide hole 908 and the sixth guide hole 909 in a one-to-one manner.

[0034] Furthermore, a first slot 401, a second slot 402 and a third slot 403 are circumferentially evenly spaced near the bottom side of the first transmission shaft 4, a first through hole 404 is penetrated through the first transmission shaft 4 at the center, a first threaded hole 405 is provided on the surface of the first transmission shaft 4, a fourth slot 1001, a fifth slot 1002 and a sixth slot 1003 are circumferentially evenly spaced near the bottom of the second transmission shaft 10, a second through hole 1004 is penetrated through the center of the second transmission shaft 10, a second threaded hole 1005 is provided on the surface of the second transmission shaft 10, and the synchronizer ring 8 is composed of a first coil 801, a second coil 802 and a third coil 803 from top to bottom.

[0035] Operation steps: When working, firstly, the second coil 802 is energized, and the second coil 802 generates electromagnetic force to control the synchronization block 7 to remain between the first ratchet assembly 5 and the second ratchet assembly 9, and then the first coil 801 is energized, and the first coil 801 is energized to control the synchronization block 7 to move toward the first ratchet assembly 5 defense line, and the first locking rod 701, the second locking rod 702 and the third locking rod 703 on the surface of the synchronization block 7 move into the first guide hole 508, the second guide hole 509 and the third guide hole 510 respectively, and the first pawl 501, the second pawl 503 and the third pawl 505 are pushed outward, and randomly enter. To the first slot 401, the second slot 402 and the third slot 403 of the first drive shaft, so that the power of the new energy vehicle motor is transmitted to the main reducer. When the first coil 801 is powered off and the second coil 802 is powered on, the synchronization block 7 returns to between the first ratchet assembly 5 and the second ratchet assembly 9, and the first pawl 501, the second pawl 503 and the third pawl 505 return to the first ratchet disk 507 under the action of the first spring 502, the second spring 504 and the third spring 506 respectively, so that the new energy vehicle motor is disconnected from the main reducer, and the third coil 803 is powered on with the same principle as above.

[0036] This specific embodiment is merely an explanation of the present invention and is not a limitation of the present invention. After reading this specification, those skilled in the art may make non-creative modifications to the present embodiment as needed. However, as long as they are within the scope of the claims of the present invention, they are protected by the patent law.

Claims

1. A power switching device suitable for new energy vehicles, characterized in that: The invention comprises a first transmission shaft (4), a first end cover (3) is sleeved on the first transmission shaft (4), a first synchronous wheel (1) is connected to the first transmission shaft (4) above the first end cover (3) via a first set screw (14), a plurality of first screws (2) are threadedly connected to the first end cover (3), and a first ratchet assembly (5) and an adjustment ring (6) are provided on the bottom side of the first transmission shaft (4); The first ratchet assembly (5) comprises a first ratchet disc (507), a first pawl (501) is arranged in the first ratchet disc (507), a first spring (502) is arranged between the first ratchet disc (507) and the first pawl (501), a second pawl (503) is installed in the first ratchet disc (507), a second spring (504) is arranged between the second pawl (503) and the first ratchet disc (507), a third pawl (505) is arranged in the first ratchet disc (507), a third spring (506) is installed between the third pawl (505) and the first ratchet disc (507), and a first guide hole (508), a second guide hole (509), a third guide hole (510) and a first spline hole (511) are opened on the surface of the first ratchet disc (507).

2. A power switching device suitable for new energy vehicles according to claim 1, characterized in that: A second end cover (11) is arranged below the first end cover (3); a second transmission shaft (10) and a second ratchet assembly (9) are arranged between the first end cover (3) and the second end cover (11); the adjustment ring (6) is connected between the first ratchet assembly (5) and the second ratchet assembly (9); a synchronization block (7) is installed between the first ratchet assembly (5) and the second ratchet assembly (9); and a synchronization ring (8) is installed between the first end cover (3) and the second end cover (11).

3. A power switching device suitable for new energy vehicles according to claim 2, characterized in that: A first nut (12) is threadedly connected to the first screw (2), a second synchronous wheel (13) is sleeved on the second transmission shaft (10), and a second set screw (15) is provided between the second synchronous wheel (13) and the second transmission shaft (10).

4. A power switching device suitable for new energy vehicles according to claim 2, characterized in that: The second ratchet assembly (9) comprises a second ratchet disc (910), a fourth pawl (901) is arranged in the second ratchet disc (910), a fourth spring (902) is arranged between the second ratchet disc (910) and the fourth pawl (901), a fifth pawl (903) is installed in the second ratchet disc (910), a fifth spring (904) is arranged between the fifth pawl (903) and the second ratchet disc (910), a sixth pawl (905) is arranged in the second ratchet disc (910), a sixth spring (906) is installed between the sixth pawl (905) and the second ratchet disc (910), and a fourth guide hole (907), a fifth guide hole (908), a sixth guide hole (909) and a second spline hole (911) are opened on the surface of the second ratchet disc (910).

5. A power switching device suitable for new energy vehicles according to claim 1, characterized in that: The synchronization block (7) comprises a retaining frame (704), wherein a first locking rod (701), a second locking rod (702) and a third locking rod (703) are equidistantly arranged on the top side of the retaining frame (704), and a fourth locking rod (706), a fifth locking rod (707) and a sixth connecting rod are equidistantly arranged on the bottom side of the retaining frame (704), and a first magnetic ring (705) is arranged on the outer side of the retaining frame (704).

6. A power switching device suitable for new energy vehicles according to claim 5, characterized in that: The first locking rod (701), the second locking rod (702) and the third locking rod (703) are respectively installed in the first guide hole (508), the second guide hole (509) and the third guide hole (510) in a one-to-one correspondence, and the fourth locking rod (706), the fifth locking rod (707) and the sixth connecting rod are respectively installed in the fourth guide hole (907), the fifth guide hole (908) and the sixth guide hole (909) in a one-to-one correspondence.

7. A power switching device suitable for new energy vehicles according to claim 1, characterized in that: A first slot (401), a second slot (402) and a third slot (403) are provided in the first transmission shaft (4) at equal intervals in the circumferential direction near the bottom side, a first through hole (404) is provided through the center of the first transmission shaft (4), and a first threaded hole (405) is provided on the surface of the first transmission shaft (4).

8. A power switching device suitable for new energy vehicles according to claim 2, characterized in that: A fourth slot (1001), a fifth slot (1002) and a sixth slot (1003) are provided at equal intervals in the circumferential direction near the bottom of the second transmission shaft (10), a second through hole (1004) is provided through the center of the second transmission shaft (10), and a second threaded hole (1005) is provided on the surface of the second transmission shaft (10).

9. A power switching device suitable for new energy vehicles according to claim 1, characterized in that: The synchronization ring (8) is composed of a first coil (801), a second coil (802) and a third coil (803) in sequence from top to bottom.

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