阅读说明：本技术 一种新能源汽车同步器 (New energy automobile synchronizer ) 是由 刘忠云 陈泽宇 王红宇 于 2021-09-22 设计创作，主要内容包括：本发明公开了一种新能源汽车同步器,涉及汽车配件技术领域,包括拨动环和齿环,拨动环的内壁上设有两个对称设置的限位块,齿环的内部设有环形腔,环形腔内安装有环形管,齿环的外壁上设有若干个齿牙,齿牙的内部设有注油腔,齿牙的顶部外壁上设有第一注油孔,第一注油孔与注油腔连通,环形管上连通有若干个注油管,若干个注油管远离环形管的一端分别与若干个齿牙的注油腔连通,拨动环的内部设有储油腔,储油腔的内部滑动安装有活塞,拨动环的内部设有若干个与储油腔连通的输油管,若干个输油管远离储油腔的一端分别与环形管连通,拨动环的外壁上安装有压油组件,压油组件的一端与活塞连接。(The invention discloses a new energy automobile synchronizer, which relates to the technical field of automobile accessories and comprises a dial ring and a toothed ring, wherein two limiting blocks are symmetrically arranged on the inner wall of the dial ring, an annular cavity is arranged inside the toothed ring, an annular pipe is arranged in the annular cavity, a plurality of teeth are arranged on the outer wall of the toothed ring, oil injection cavities are arranged inside the teeth, first oil injection holes are arranged on the outer wall of the tops of the teeth, the first oil injection holes are communicated with the oil injection cavities, the annular pipe is communicated with a plurality of oil injection pipes, one ends of the oil injection pipes, far away from the annular pipe, are respectively communicated with the oil injection cavities of the teeth, an oil storage cavity is arranged inside the dial ring, a piston is slidably arranged inside the oil storage cavity, a plurality of oil delivery pipes communicated with the oil storage cavity are arranged inside the dial ring, one ends of the oil delivery pipes, far away from the oil storage cavity, are respectively communicated with the annular pipe, and an oil delivery assembly is arranged on the outer wall of the dial ring, one end of the pressure oil assembly is connected with the piston.)

1. The utility model provides a new energy automobile synchronous ware, includes dial ring (1) and ring gear (2), its characterized in that: the oil injection device is characterized in that two symmetrical limiting blocks (3) are arranged on the inner wall of the poking ring (1), an annular cavity (4) is arranged inside the tooth ring (2), an annular pipe (5) is installed inside the annular cavity (4), a plurality of teeth (6) are arranged on the outer wall of the tooth ring (2), an oil injection cavity (61) is arranged inside the teeth (6), a first oil injection hole (7) is formed in the outer wall of the top of each tooth (6), the first oil injection hole (7) is communicated with the oil injection cavity (61), a plurality of oil injection pipes (8) are communicated with the oil injection cavity (61) of the teeth (6) respectively at one ends, far away from the annular pipe (5), of the oil injection pipes (8), an oil storage cavity (9) is arranged inside the poking ring (1), and a piston (10) is arranged inside the oil storage cavity (9) in a sliding mode, dial defeated oil pipe (11) that the inside of rotating ring (1) was equipped with a plurality of and oil storage chamber (9) intercommunication, a plurality of defeated oil pipe (11) keep away from the one end in oil storage chamber (9) respectively with annular pipe (5) intercommunication, dial and install on the outer wall of rotating ring (1) and press oil assembly (12), press the one end and the piston (10) of oil assembly (12) to be connected.

2. The new energy automobile synchronizer according to claim 1, characterized in that: press oil subassembly (12) including bearing (13), ring gear (14), shift ring (15), two carriage release levers (16), two drive assembly (17) and four mount (18), two carriage release lever (16) are pegged graft on dial ring (1) to the bottom of two carriage release levers (16) extends to and is connected with piston (10) in oil storage chamber (9), shift ring (15) are connected with the top of two carriage release levers (16), the side at shift ring (15) is installed through four mount (18) in the outer lane of bearing (13) is established to ring gear (14) cover, two drive assembly (17) symmetry sets up on dial ring (1) to the one end of two drive assembly (17) is connected with the outer wall of shift ring (15) respectively.

3. The new energy automobile synchronizer according to claim 2, characterized in that: each driving part (17) comprises a mounting frame (19), a first rotating seat (20), a second rotating seat (21), a rotating rod (22), a moving block (23) and a rotating gear (24), the mounting frame (19) is arranged on the outer wall of the dial ring (1), the first rotating seat (20) and the second rotating seat (21) are respectively arranged on the inner walls of the two sides of the mounting frame (19), the rotating rod (22) is rotatably arranged on the first rotating seat (20) and the second rotating seat (21), an external thread (25) is arranged on the rotating rod (22), the moving block (23) is sleeved on the rotating rod (22), an internal thread matched with the external thread (25) is arranged in the moving block (23), the moving block (23) is connected with the outer wall of the moving ring (15), the rotating gear (24) is arranged on the rotating rod (22), and the rotating gear (24) is meshed with the ring gear (14).

4. The new energy automobile synchronizer according to claim 2, characterized in that: the moving rod (16) is sleeved with a rubber sealing ring (26), and the rubber sealing ring (26) is connected with the outer wall of the poking ring (1).

5. The new energy automobile synchronizer according to claim 1, characterized in that: an oil adding hole communicated with the oil storage cavity (9) is formed in the outer wall of the stirring ring (1), and a sealing bolt (27) is connected to the inner thread of the oil adding hole.

6. The new energy automobile synchronizer according to claim 1, characterized in that: and a second oil injection hole (28) is formed in the outer wall of the front side of the tooth (6), and the second oil injection hole (28) is communicated with an oil injection cavity (61).

7. The new energy automobile synchronizer according to claim 1, characterized in that: and a third oil injection hole (29) is formed in the outer wall of the front side of the tooth (6), and the third oil injection hole (29) is communicated with the oil injection cavity (61).

Technical Field

The invention relates to the technical field of automobile accessories, in particular to a synchronizer of a new energy automobile.

Background

The automobile synchronizer is a key part of a mechanical gear transmission speed changer, plays roles in gear shifting and torque transmission, and is a key and vulnerable part in the speed changer. At present, a synchronizer is inconvenient to shift gears, gears and shafts are subjected to strong impact during shifting, the service life of a transmission is prolonged, the labor intensity is high, and the dynamic property and the fuel economy of an automobile are reduced.

The Chinese patent publication No. CN108087446A discloses an automobile synchronizer used on a transmission, which comprises a gear ring and a ring body fixedly installed on the side surface of the gear ring, wherein a plurality of teeth are arranged on the outer circular surface of the gear ring, oil outlet holes are formed in the surface of the teeth, an oil storage channel and an oil outlet pipe are arranged in the gear ring, a delivery pump is arranged in the oil storage channel, and a filter is arranged in the oil outlet holes.

However, the above patents have the following disadvantages in the practical use: first, be provided with the delivery pump in this patent oil storage duct, the space in the oil storage duct is very limited, and the delivery pump is difficult to carry out the dismouting, the assembly degree of difficulty of the whole synchronous ware of greatly increased, and the second, this patent delivery pump can take place to damage under long-time the use, needs the manual work to pull down the ring gear from the derailleur, then changes the delivery pump of ring gear inside, and is very inconvenient.

Disclosure of Invention

The invention aims to provide a new energy automobile synchronizer, which aims to solve the technical problems that in the prior art, lubricating oil is conveyed by a conveying pump when teeth are lubricated, the conveying pump is difficult to disassemble and assemble, the assembly difficulty of the whole synchronizer is greatly increased, meanwhile, a battery is required to supply power to the conveying pump, and the battery in a tooth ring needs to be replaced if the battery is not electrified, so that the synchronization is very inconvenient.

The invention provides a new energy automobile synchronizer which comprises a poking ring and a toothed ring, wherein two limiting blocks which are symmetrically arranged are arranged on the inner wall of the poking ring, an annular cavity is arranged inside the toothed ring, an annular pipe is arranged in the annular cavity, a plurality of teeth are arranged on the outer wall of the toothed ring, oil injection cavities are arranged inside the teeth, first oil injection holes are arranged on the outer wall of the tops of the teeth and are communicated with the oil injection cavities, a plurality of oil injection pipes are communicated with the annular pipe, one ends, far away from the annular pipe, of the oil injection pipes are respectively communicated with the oil injection cavities of the teeth, an oil storage cavity is arranged inside the poking ring, a piston is slidably arranged inside the oil storage cavity, a plurality of oil delivery pipes communicated with the oil storage cavity are arranged inside the poking ring, one ends, far away from the oil storage cavity, of the oil delivery pipes are respectively communicated with the annular pipe, the outer wall of the poking ring is provided with an oil pressing assembly, and one end of the oil pressing assembly is connected with the piston.

Further, press oil assembly to include bearing, ring gear, shift ring, two carriage release levers, two driver part and four mounts, two the carriage release lever is pegged graft on stirring the ring to the bottom and the piston connection in the oil storage chamber of two carriage release levers, the shift ring is connected with the top of two carriage release levers, the side at the shift ring is installed through four mounts to the outer lane of bearing, ring gear overlaps and establishes on the outer lane of bearing, two the driver part symmetry sets up on stirring the ring to two driver part's one end respectively with the outer wall connection of shift ring.

Further, every drive part all includes mounting bracket, first rotation seat, second rotation seat, dwang, movable block and slewing gear, the mounting bracket sets up on the outer wall of stirring the ring, first rotation seat and second rotation seat set up respectively on the both sides inner wall of mounting bracket, the dwang rotates to be installed on first rotation seat and second rotation seat, be equipped with the external screw thread on the dwang, the movable block cover is established on the dwang to be equipped with in the movable block with the internal thread of external screw thread mutually supporting, the movable block is connected with the outer wall of shift ring, slewing gear installs on the dwang to slewing gear and ring gear meshing.

Furthermore, the moving rod is sleeved with a rubber sealing ring, and the rubber sealing ring is connected with the outer wall of the stirring ring.

Furthermore, an oil adding hole communicated with the oil storage cavity is formed in the outer wall of the stirring ring, and a sealing bolt is connected to the inner thread of the oil adding hole.

Furthermore, a second oil injection hole is formed in the outer wall of the front side of each tooth and communicated with the oil injection cavity.

Furthermore, a third oil injection hole is formed in the outer wall of the front side of each tooth and communicated with the oil injection cavity.

Compared with the prior art, the invention has the beneficial effects that:

(1) the lubricating oil is filled in the oil storage cavity in advance, the piston is driven to move in the oil storage cavity by the working of the oil pressing component during gear shifting operation, the piston moves close to the tooth ring, the lubricating oil in the oil storage cavity is pressed into the annular pipe through the oil conveying pipes by the piston, the purpose of supplementing the lubricating oil to the annular pipe is realized, then the lubricating oil in the annular pipe enters the oil filling cavities of the teeth through the oil filling pipes, the lubricating oil in the oil filling cavities is thrown to the surfaces of the teeth through the first oil filling holes by the high-speed rotation of the poking ring and the tooth ring due to the high-speed rotation of the tooth ring, the teeth are lubricated by the lubricating oil, the gear shifting is smoother, the phenomenon of tooth clamping is avoided, the lubricating oil in the oil filling cavities can be conveyed to the surfaces of the teeth by the centrifugal force generated by the high-speed rotation of the tooth ring, the lubricating oil is not required to be conveyed by a conveying pump, and the assembly difficulty of the whole synchronizer is reduced, meanwhile, the conveying pump does not need to be replaced, so that the maintenance cost is reduced, and the use is convenient;

(2) the four fixing frames are fixedly connected with the inner wall of the gearbox shell, when the gear shifting operation is carried out, the poking ring and the gear ring horizontally move on the transmission shaft in the gearbox, the poking ring drives the rotating gears in the two driving parts to horizontally move to be meshed with the annular gear, the transmission shaft in the gearbox is connected with the inner ring of the bearing, when the transmission shaft in the gearbox rotates at a high speed, the transmission shaft in the gearbox drives the inner ring of the bearing to rotate, the annular gear arranged on the outer ring of the bearing does not rotate, the transmission shaft in the gearbox drives the poking ring and the gear ring to rotate at a high speed, the rotating gears in the two driving parts are further driven to rotate around the axis of the annular gear, the rotating gears in the two driving parts rotate and rotate per se, the two driving parts drive the moving ring to move close to the poking ring, and the moving ring drives the piston to move towards the gear ring in the oil storage cavity by utilizing the two moving rods, the piston presses the lubricating oil in the oil storage cavity into the annular pipe through the oil conveying pipes, so that the purpose of supplementing the lubricating oil to the annular pipe is achieved, after the annular pipe is supplemented with the lubricating oil, the toggle ring and the toothed ring move horizontally in the reverse direction on a transmission shaft in the gearbox, the toggle ring drives the rotating gears in the two driving parts to move horizontally to be separated from the annular gear, the piston moves a certain distance towards the direction of the toothed ring in the oil storage cavity in the process of shifting every time, and the volume of the lubricating oil extruded by the piston every time is equal to the volume of the annular pipe;

(3) the rubber sealing ring seals a gap between the moving rod and the outer wall of the toggle ring, so that lubricating oil in the oil storage cavity is prevented from flowing out of the gap.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a first perspective view of the present invention;

FIG. 2 is a schematic perspective view of the present invention;

FIG. 3 is a third schematic perspective view of the present invention;

FIG. 4 is a top view of the present invention;

FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;

fig. 6 is an enlarged view at B in fig. 5.

Reference numerals:

1. a dial ring; 2. a toothed ring; 3. a limiting block; 4. an annular cavity; 5. an annular tube; 6. teeth; 61. an oil injection cavity; 7. a first oil filler hole; 8. an oil filling pipe; 9. an oil storage chamber; 10. a piston; 11. an oil delivery pipe; 12. a pressure oil assembly; 13. a bearing; 14. a ring gear; 15. a moving ring; 16. a travel bar; 17. a drive member; 18. a fixed mount; 19. a mounting frame; 20. a first rotating base; 21. a second rotating base; 22. rotating the rod; 23. a moving block; 24. a rotating gear; 25. an external thread; 26. a rubber seal ring; 27. a seal bolt; 28. a second oil filler hole; 29. and a third oil injection hole.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The invention provides a new energy automobile synchronizer which comprises a shifting ring 1 and a toothed ring 2, wherein two symmetrically arranged limiting blocks 3 are arranged on the inner wall of the shifting ring 1, an annular cavity 4 is arranged inside the toothed ring 2, an annular pipe 5 is installed in the annular cavity 4, a plurality of teeth 6 are arranged on the outer wall of the toothed ring 2, oil injection cavities 61 are arranged inside the teeth 6, first oil injection holes 7 are arranged on the outer wall of the top of the teeth 6, the first oil injection holes 7 are communicated with the oil injection cavities 61, a plurality of oil injection pipes 8 are communicated with the annular pipe 5, one ends, far away from the annular pipe 5, of the plurality of oil injection pipes 8 are respectively communicated with the oil injection cavities 61 of the plurality of teeth 6, an oil storage cavity 9 is arranged inside the shifting ring 1, a piston 10 is slidably installed inside the oil storage cavity 9, a plurality of oil delivery pipes 11 communicated with the oil storage cavity 9 are arranged inside the shifting ring 1, one ends, far away from the oil storage cavity 9, of the oil delivery pipes 11 are respectively communicated with the annular pipe 5, an oil pressing assembly 12 is installed on the outer wall of the poking ring 1, and one end of the oil pressing assembly 12 is connected with the piston 10; lubricating oil is filled in the oil storage cavity 9 in advance, during gear shifting operation, the oil pressing component 12 works to drive the piston 10 to move in the oil storage cavity 9, the piston 10 moves towards the toothed ring 2, the lubricating oil in the oil storage cavity 9 is pressed into the annular pipe 5 through the oil conveying pipes 11 by the piston 10, the purpose of supplementing the lubricating oil to the annular pipe 5 is achieved, then the lubricating oil in the annular pipe 5 enters the oil injection cavities 61 of the teeth 6 through the oil injection pipes 8, due to the fact that the poking ring 1 and the toothed ring 2 rotate at high speed, centrifugal force generated by the high-speed rotation of the toothed ring 2 throws the lubricating oil in the oil injection cavities 61 to the surfaces of the teeth 6 through the first oil injection holes 7, the lubricating oil lubricates the teeth 6, gear shifting is smoother, the phenomenon of tooth clamping cannot occur, the lubricating oil in the oil injection cavities 61 can be conveyed to the surfaces of the teeth 6 by the centrifugal force generated by the high-speed rotation of the toothed ring 2, and the lubricating oil is not required to be conveyed by a conveying pump, the assembly difficulty of the whole synchronizer is reduced, meanwhile, the conveying pump does not need to be replaced, the maintenance cost is reduced, and the use is convenient.

Specifically, the oil pressing assembly 12 comprises a bearing 13, a ring gear 14, a moving ring 15, two moving rods 16, two driving parts 17 and four fixing frames 18, the two moving rods 16 are inserted into the toggle ring 1, the bottom ends of the two moving rods 16 are connected with a piston 10 in the oil storage cavity 9, the moving ring 15 is connected with the top ends of the two moving rods 16, the outer ring of the bearing 13 is installed at the side of the moving ring 15 through the four fixing frames 18, the ring gear 14 is sleeved on the outer ring of the bearing 13, the two driving parts 17 are symmetrically arranged on the toggle ring 1, and one end of each of the two driving parts 17 is connected with the outer wall of the moving ring 15; through the four fixing frames 18 fixedly connected with the inner wall of the gearbox shell, when the gear shifting operation is carried out, the dial ring 1 and the gear ring 2 horizontally move on the transmission shaft in the gearbox, the dial ring 1 drives the rotating gears 24 in the two driving parts 17 to horizontally move to be meshed with the annular gear 14, the transmission shaft in the gearbox is connected with the inner ring of the bearing 13, when the transmission shaft in the gearbox rotates at a high speed, the transmission shaft in the gearbox drives the inner ring of the bearing 13 to rotate, the annular gear 14 arranged on the outer ring of the bearing 13 does not rotate, the transmission shaft in the gearbox drives the dial ring 1 and the gear ring 2 to rotate at a high speed, further drives the rotating gears 24 in the two driving parts 17 to rotate around the axis of the annular gear 14, the rotating gears 24 in the two driving parts 17 rotate while rotating, and further the two driving parts 17 drive the moving ring 15 to move close to the dial ring 1, the movable ring 15 utilizes two movable rods 16 to drive the piston 10 to move close to the toothed ring 2 in the oil storage cavity 9, the piston 10 presses lubricating oil in the oil storage cavity 9 into the annular pipe 5 through the oil conveying pipes 11, the purpose of supplementing the lubricating oil to the annular pipe 5 is achieved, after the annular pipe 5 is supplemented with the lubricating oil, the poking ring 1 and the toothed ring 2 move horizontally in the reverse direction on a transmission shaft in the gearbox, the poking ring 1 drives the rotating gears 24 in the two driving parts 17 to move horizontally to be separated from the annular gear 14, in the process of gear shifting each time, the piston 10 moves a certain distance to the direction of the toothed ring 2 in the oil storage cavity 9, and the volume of the lubricating oil extruded by the piston 10 each time is equal to the volume of the annular pipe 5.

Specifically, each driving part 17 includes a mounting frame 19, a first rotating seat 20, a second rotating seat 21, a rotating rod 22, a moving block 23 and a rotating gear 24, the mounting frame 19 is disposed on the outer wall of the toggle ring 1, the first rotating seat 20 and the second rotating seat 21 are respectively disposed on the inner walls of the two sides of the mounting frame 19, the rotating rod 22 is rotatably mounted on the first rotating seat 20 and the second rotating seat 21, an external thread 25 is disposed on the rotating rod 22, the moving block 23 is sleeved on the rotating rod 22, an internal thread matched with the external thread 25 is disposed in the moving block 23, the moving block 23 is connected with the outer wall of the moving ring 15, the rotating gear 24 is mounted on the rotating rod 22, and the rotating gear 24 is meshed with the ring gear 14; when the rotating gear 24 rotates, the rotating gear 24 drives the rotating rod 22 to rotate on the first rotating seat 20 and the second rotating seat 21, internal threads matched with the external threads 25 are arranged in the moving block 23, the rotating rod 22 drives the moving block 23 to move on the rotating rod 22, the moving block 23 drives the moving ring 15 to move close to the poking ring 1, the moving ring 15 drives the piston 10 to move towards the direction of the gear ring 2 in the oil storage cavity 9 by utilizing the two moving rods 16, the purpose of driving the piston 10 to move in the oil storage cavity 9 is achieved, and lubricating oil in the oil storage cavity 9 is conveniently pressed into the annular pipe 5 by the piston 10.

Specifically, a rubber sealing ring 26 is sleeved on the moving rod 16, and the rubber sealing ring 26 is connected with the outer wall of the toggle ring 1; the rubber sealing ring 26 seals a gap between the moving rod 16 and the outer wall of the toggle ring 1, so that lubricating oil in the oil storage cavity 9 is prevented from flowing out from the gap.

Specifically, an oil adding hole communicated with the oil storage cavity 9 is formed in the outer wall of the dial ring 1, and a sealing bolt 27 is connected to the inner thread of the oil adding hole; the seal bolt 27 is periodically removed from the oil filling hole by a worker, and then the oil filling hole is used to fill the oil storage chamber 9 with the lubricating oil, thereby preventing the shortage of the lubricating oil in the oil storage chamber 9.

Specifically, a second oil injection hole 28 is arranged on the outer wall of the front side of the tooth 6, and the second oil injection hole 28 is communicated with an oil injection cavity 61; the lubricating oil in the oil injection cavity 61 is thrown to the front outer wall surface of the teeth 6 through the second oil injection hole 28, so that the lubricating effect of the teeth 6 is better.

Specifically, a third oil injection hole 29 is arranged on the outer wall of the front side of the tooth 6, and the third oil injection hole 29 is communicated with an oil injection cavity 61; the lubricating oil in the oil injection cavity 61 is thrown to the rear outer wall surface of the teeth 6 through the third oil injection hole 29, so that the lubricating effect of the teeth 6 is better.

The working principle of the invention is as follows: by filling lubricating oil into the oil storage cavity 9 in advance, during gear shifting operation, the toggle ring 1 and the gear ring 2 horizontally move on a transmission shaft in the gearbox, the toggle ring 1 drives the rotating gears 24 in the two driving parts 17 to horizontally move to be meshed with the ring gear 14, the transmission shaft in the gearbox is connected with the inner ring of the bearing 13, when the transmission shaft in the gearbox rotates at high speed, the ring gear 14 does not rotate, the transmission shaft in the gearbox drives the toggle ring 1 and the gear ring 2 to rotate at high speed, and further drives the rotating gears 24 in the two driving parts 17 to rotate on the ring gear 14, the rotating gears 24 in the two driving parts 17 rotate and simultaneously rotate, and then the rotating gears 24 drive the rotating rod 22 to rotate on the first rotating seat 20 and the second rotating seat 21, because the internal threads matched with the external threads 25 are arranged in the moving block 23, the rotating block 22 drives the moving block 23 to move on the rotating rod 22, the moving block 23 drives the moving ring 15 to move close to the poking ring 1, the moving ring 15 drives the piston 10 to move close to the tooth ring 2 in the oil storage cavity 9 by using the two moving rods 16, the piston 10 presses lubricating oil in the oil storage cavity 9 into the annular pipe 5 through the oil conveying pipes 11, the purpose of supplementing the lubricating oil to the annular pipe 5 is achieved, then the lubricating oil in the annular pipe 5 enters the oil filling cavity 61 of the teeth 6 through the oil filling pipes 8, as the poking ring 1 and the tooth ring 2 rotate at high speed, the tooth ring 2 rotates at high speed to generate centrifugal force to throw the lubricating oil in the oil filling cavity 61 to the surface of the teeth 6 through the first oil filling hole 7, the lubricating oil lubricates the teeth 6, gear shifting is smoother, the phenomenon of tooth sticking is avoided, the lubricating oil in the oil filling cavity 61 is conveyed to the surface of the teeth 6 by using the centrifugal force generated by the high-speed rotation of the tooth ring 2 without adopting a conveying pump to convey the lubricating oil, the assembly difficulty of the whole synchronizer is avoided being increased, meanwhile, the conveying pump is not required to be powered by a battery, the battery is prevented from being replaced, the maintenance cost is reduced, and the use is convenient.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.