阅读说明：本技术 缓冲型无级变速器 (Buffer type stepless speed changer ) 是由 黄广成 于 2021-08-12 设计创作，主要内容包括：本申请提供了一种缓冲型无级变速器,包括：外壳,外壳内部安装有无级传动结构,外壳的外部安装有驱动结构,且无级传动结构和驱动结构通过缓冲结构连接,缓冲结构包括连接轴、连接头、连接盖、柱形插槽、柱形插块、定位插槽、挡块、缓冲槽、缓冲块和缓冲弹簧,连接头安装于外壳外部并与无级传动结构连接,连接轴与驱动结构连接,柱形插槽开设于连接头中,且柱形插块插设于柱形插槽中并与连接轴的端部固定连接,多个定位插槽和多个缓冲槽均开设于柱形插槽的内壁上与相互连通设置。本申请提供的缓冲型无级变速器,实现了对驱动设备产生的瞬间扭力进行减缓,保护了变速器和驱动设备的安全,并显著提高其使用寿命。(The application provides a buffer type continuously variable transmission, includes: the shell, shell internally mounted has the infinitely variable transmission structure, the externally mounted of shell has the drive structure, and infinitely variable transmission structure and drive structure pass through buffer structure and connect, buffer structure includes the connecting axle, the connector, connect the lid, the cylindricality slot, the cylindricality inserted block, the positioning slot, the dog, the dashpot, buffer block and buffer spring, the connector is installed in the shell outside and is connected with the infinitely variable transmission structure, the connecting axle is connected with the drive structure, the cylindricality slot is seted up in the connector, and the cylindricality inserted block insert locate in the cylindricality slot and with the tip fixed connection of connecting axle, a plurality of positioning slot and a plurality of dashpots are all seted up on the inner wall of cylindricality slot and are communicate the setting each other. The application provides a buffering type buncher has realized slowing down the torsion in the twinkling of an eye that the drive arrangement produced, has protected derailleur and drive arrangement's safety to show its life that improves.)

1. A cushion type continuously variable transmission characterized by comprising: a housing;

the stepless transmission structure is arranged in the shell, the driving structure is arranged outside the shell, and the stepless transmission structure is connected with the driving structure through the buffering structure;

the buffer structure comprises a connecting shaft (12), a connecting head (16), a connecting cover (17), cylindrical slots (18), cylindrical insertion blocks (19), positioning slots (20), a stop block (21), buffer slots (22), buffer blocks (23) and buffer springs (24), wherein the connecting head (16) is installed outside the shell and connected with a stepless transmission structure, the connecting shaft (12) is connected with a driving structure, the cylindrical slots (18) are arranged in the connecting head (16), the cylindrical insertion blocks (19) are inserted in the cylindrical slots (18) and fixedly connected with the end parts of the connecting shaft (12), the positioning slots (20) and the buffer slots (22) are all arranged on the inner wall of the cylindrical slots (18) and are communicated with each other, the buffer slots (22) are arranged close to the inner bottom of the cylindrical slots (18), and the buffer blocks (23) are respectively connected with the inner wall of one side of the corresponding buffer slots (22) through the buffer springs (24), and a plurality of check blocks (21) respectively offset with a plurality of buffer blocks (23) and are all fixedly installed on the side wall of the cylindrical insertion block (19) for fixed connection, and the connecting cover (17) is installed on one end of the connecting head (16) provided with the cylindrical insertion groove (18).

2. The buffer type continuously variable transmission according to claim 1, wherein the housing includes: the device comprises an upper shell (1), a lower shell (2), a stand column (3), a bolt groove (4) and a bolt (5);

go up casing (1) and casing (2) symmetry setting down, and multiunit stand (3) arrange vertical fixed mounting under on the interior bottom of casing (2), the multiunit bolt groove (4) are seted up respectively on multiunit stand (3), and multiunit bolt (5) arrange install on last casing (1) and threaded connection in multiunit bolt groove (4) respectively, the quantity of bolt (5) is three groups, and three group bolt (5) lie in respectively in the middle of casing (1) and be close to its both sides and set up.

3. The buffered continuously variable transmission according to claim 2, wherein a sealing insertion plate (6) is installed at a connection position of the upper casing (1) and the lower casing (2), the sealing insertion plate (6) is arc-shaped on an outer side wall close to the upper casing (2), and the sealing insertion plate (6) is abutted to an inner wall of the lower casing (1).

4. The buffer type continuously variable transmission according to claim 2, wherein the inner walls of said upper casing (1) and said lower casing (2) are each covered with a sound insulating film.

5. The buffer type continuously variable transmission according to claim 1, wherein the continuously variable transmission structure comprises: the device comprises a driving shaft (7), an output shaft (8), a driving conical disc (9), a driven conical disc (10) and a conveying belt (11);

drive shaft (7) and output shaft (8) all install inside the shell, and the shell setting is run through respectively to drive shaft (7) and the opposite one end of output shaft (8), initiative conical disk (9) and driven conical disk (10) are installed respectively on drive shaft (7) and output shaft (8), and initiative conical disk (9) and driven conical disk (10) pass through conveyer belt (11) transmission and are connected, drive shaft (7) run through the one end and connector (16) fixed connection of shell, drive shaft (7) and output shaft (8) are located the inside one end of shell and all are connected through the inner wall rotation of bearing and shell, and the bearing installation is on casing (2) inner wall down.

6. The buffer type continuously variable transmission according to claim 1, wherein the driving structure comprises: a driving motor (13), a rotating shaft (14) and a coupling (15);

one end of the rotating shaft (14) is fixedly arranged on the output end of the driving motor (13), and the other end of the rotating shaft (14) is fixedly connected with the end part of the connecting shaft (12) through a coupler (15).

7. The buffer type continuously variable transmission according to any one of claims 1 to 6, wherein a through hole (25) is formed in the connecting cover (17), the connecting shaft (12) penetrates through the through hole (25) and is rotatably connected with the through hole, an annular sealing gasket is arranged in the through hole (25), and the connecting cover (17) is in threaded connection with the connecting head (16).

8. The continuously variable transmission of the buffer type according to any one of claims 2 to 4, wherein the joint of the two ends of the upper casing (1) and the lower casing (2) is arc-shaped, and the edges of the outer side walls of the upper casing (1) and the lower casing (2) are chamfered.

9. The buffer type continuously variable transmission according to claim 1, wherein a length of the stopper (21) is smaller than a height of the buffer groove (22).

Technical Field

The application relates to the technical field of transmissions, in particular to a buffer type continuously variable transmission.

Background

Transmissions are currently the mechanisms used to vary the speed and torque from the engine, which can either fix or change the ratio of the output shaft to the input shaft in steps, also known as gearboxes. The speed variator consists of speed-changing transmission mechanism and control mechanism, and some vehicles also have power output mechanism. Transmissions are used primarily in automobiles, but there are other applications for transmissions. Transmissions can be classified into three broad categories, stepped transmissions and continuously variable transmissions, and compound transmissions. The stepless speed changer adopts a transmission belt to be matched with a driving wheel and a driven wheel with variable working diameters to transmit power, so that the continuous change of the transmission ratio can be realized, and the optimal matching of a transmission system and the working condition of an engine is obtained.

When the continuously variable transmission is used, the continuously variable transmission is usually driven by adopting driving equipment and mainly driven by a driving motor, the driving motor can be connected to a driving shaft of the continuously variable transmission through a coupling, and due to rigid connection, when the driving motor runs, the torsion generated instantly is large, the driving shaft of the continuously variable transmission and the driving motor are damaged, the damage is larger after multiple times of use, and the service life of the driving motor of the continuously variable transmission can be shortened.

Disclosure of Invention

The application provides a buffer type buncher, has realized slowing down the torsion in the twinkling of an eye that the drive arrangement produced, has protected the safety of derailleur and drive arrangement, improves its life's purpose to solve the problem among the background art.

The application provides a buffer type continuously variable transmission, includes: a housing;

the stepless transmission structure is arranged in the shell, the driving structure is arranged outside the shell, and the stepless transmission structure is connected with the driving structure through the buffering structure;

the buffer structure comprises a connecting shaft, a connecting head, a connecting cover, a cylindrical slot, a cylindrical insert block, a positioning slot, a stop block, a buffer slot, a buffer block and a buffer spring, the connector is arranged outside the shell and connected with the stepless transmission structure, the connecting shaft is connected with the driving structure, the cylindrical slot is arranged in the connector, the cylindrical insertion block is inserted into the cylindrical insertion groove and is fixedly connected with the end part of the connecting shaft, the plurality of positioning insertion grooves and the plurality of buffer grooves are all arranged on the inner wall of the cylindrical insertion groove and are communicated with each other, the buffer slots are arranged close to the bottom in the cylindrical slot, a plurality of buffer blocks are respectively connected with the inner wall of one side of the corresponding buffer slot through a plurality of groups of buffer springs, and a plurality of dogs respectively with a plurality of buffer blocks counterbalance and all fixed mounting in the lateral wall fixed connection of cylindricality inserted block, the connecting cover is installed on the connector and is offered one end of cylindricality slot.

Optionally, the housing includes: the device comprises an upper shell, a lower shell, an upright post, a bolt groove and a bolt;

go up casing and casing symmetry setting down, and the vertical fixed mounting of multiunit stand arrangement is on the interior bottom of casing down, the multiunit bolt groove is seted up respectively on the multiunit stand, and the multiunit bolt arrangement install on last casing and respectively threaded connection in multiunit bolt groove, the quantity of bolt is three groups, and three group's bolts lie in respectively in the middle of the last casing and be close to its both sides and set up.

Optionally, go up the casing with the junction of casing installs sealed picture peg down, just sealed picture peg is close to be the arc on the lateral wall of last casing, sealed picture peg with the inner wall of casing offsets the setting down.

Optionally, the inner walls of the upper shell and the lower shell are wrapped with sound insulation films.

Optionally, the stepless transmission structure includes: the device comprises a driving shaft, an output shaft, a driving conical disc, a driven conical disc and a conveying belt;

the drive shaft and the output shaft are both installed inside the shell, the opposite ends of the drive shaft and the output shaft respectively penetrate through the shell, the driving conical disc and the driven conical disc are respectively installed on the drive shaft and the output shaft and are connected through transmission of the conveyor belt, one end of the drive shaft penetrating through the shell is fixedly connected with the connector, one ends of the drive shaft and the output shaft, which are located inside the shell, are respectively connected with the inner wall of the shell through bearings in a rotating mode, and the bearings are installed on the inner wall of the lower shell.

Optionally, the driving structure includes: the driving motor, the rotating shaft and the coupling;

one end of the rotating shaft is fixedly arranged on the output end of the driving motor, and the other end of the rotating shaft is fixedly connected with the end part of the connecting shaft through the coupler.

Optionally, a through hole is formed in the connecting cover, the connecting shaft penetrates through the through hole and is rotatably connected with the through hole, an annular sealing gasket is arranged in the through hole, and the connecting cover is in threaded connection with the connecting head.

Optionally, the joint of the two ends of the upper shell and the lower shell is arc-shaped, and the edge of the outer side wall of the upper shell and the edge of the outer side wall of the lower shell are chamfered.

Optionally, the length of the stopper is smaller than the height of the buffer slot.

The beneficial effect of this application is as follows:

according to the buffer type continuously variable transmission, the driving motor serving as driving equipment drives the connecting shaft to rotate, the buffer block in the buffer groove is extruded through the stop block, the buffer spring is extruded, and instant torque generated by the connecting shaft is buffered through elastic force of the buffer spring, so that safety of a driving structure and a continuously variable transmission structure is protected, and the service life of the device is prolonged;

according to the buffer type continuously variable transmission provided by the application, the two sides and the middle part of the upper shell and the lower shell are respectively fixed through the three groups of bolts, so that the assembly firmness and stability of the shell are improved, and the shell is not easy to fall apart;

according to the buffer type continuously variable transmission provided by the application, the sealing plugboard is arranged at the joint of the upper shell and the lower shell, so that the sealing performance of the joint when the upper shell is connected with the lower shell is improved, dust and other impurities can be prevented from entering, and the safety of a stepless transmission structure in the shell is protected;

according to the buffer type continuously variable transmission provided by the application, noise generated inside the shell is blocked through the sound insulation film, so that noise pollution generated when the device operates is relieved, and the device has a noise reduction function;

the application provides a buffering type buncher, the connection lid is located the connecting axle, can prevent to lose, improves the fastness when connecting axle and connector are connected simultaneously, conveniently connects and separates with connector threaded connection's connection lid, makes things convenient for the installation and the dismantlement between connecting axle and the connector.

Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and drawings.

The technical solution of the present application is further described in detail by the accompanying drawings and examples.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be 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 application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic structural diagram of a continuously variable transmission of a damper type according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of the inside of a casing of a damper type continuously variable transmission according to an embodiment of the present application;

FIG. 3 is a schematic structural diagram of a buffering structure of a buffering type continuously variable transmission according to an embodiment of the present application;

FIG. 4 is a schematic structural diagram of a damper type continuously variable transmission connecting cover according to an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a connecting head of a damping type continuously variable transmission according to an embodiment of the present application;

FIG. 6 is a schematic structural diagram of a lower housing of a cushion type continuously variable transmission according to an embodiment of the present application;

fig. 7 is a schematic structural diagram of an upper case of a cushion type continuously variable transmission according to an embodiment of the present application.

In the figure, 1-upper shell, 2-lower shell, 3-upright post, 4-bolt slot, 5-bolt, 6-sealing insertion plate, 7-driving shaft, 8-output shaft, 9-driving conical disc, 10-driven conical disc, 11-conveyor belt, 12-connecting shaft, 13-driving motor, 14-rotating shaft, 15-coupler, 16-connector, 17-connecting cover, 18-cylindrical slot, 19-cylindrical plug block, 20-positioning slot, 21-stop block, 22-buffer slot, 23-buffer block, 24-buffer spring and 25-through hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application are clearly and completely described below, and it is obvious that the described embodiments are a part of the embodiments of the present application, but not all of the embodiments. 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 application.

According to fig. 1 to 5, an embodiment of the present application provides a cushion type continuously variable transmission including: the shell, shell internally mounted has the infinitely variable transmission structure, the externally mounted of shell has the drive structure, and infinitely variable transmission structure and drive structure pass through buffer structure and connect. The buffer structure comprises a connecting shaft 12, a connecting head 16, a connecting cover 17, cylindrical slots 18, cylindrical insertion blocks 19, positioning slots 20, stop blocks 21, buffer grooves 22, buffer blocks 23 and buffer springs 24, the connecting head 16 is installed outside the shell and connected with a stepless transmission structure, the connecting shaft 12 is connected with a driving structure, the cylindrical slots 18 are arranged in the connecting head 16, the cylindrical insertion blocks 19 are inserted in the cylindrical slots 18 and fixedly connected with the end parts of the connecting shaft 12, the positioning slots 20 and the buffer grooves 22 are arranged on the inner walls of the cylindrical slots 18 and communicated with each other, the buffer grooves 22 are arranged close to the inner bottom parts of the cylindrical slots 18, the buffer blocks 23 are respectively connected with the inner walls on one sides of the corresponding buffer grooves 22 through a plurality of groups of buffer springs 24, and the stop blocks 21 are respectively abutted against the buffer blocks 23 and fixedly installed on the side walls of the cylindrical insertion blocks 19, the connecting cover 17 is mounted on one end of the connecting head 16, which is provided with a cylindrical slot 18.

The working principle of the technical scheme is as follows:

the application provides a buffering type buncher, the drive structure is when drive connecting axle 12, the inside infinitely variable transmission structure motion of shell is driven to buffer structure, carry out the variable speed through infinitely variable transmission structure, the drive structure is when starting, great moment of torsion has, rotate connecting axle 12 in the twinkling of an eye, can make dog 21 on the cylindricality inserted block 19 extrude the inside buffer block 23 of dashpot 22, extrude buffer spring 24, elastic force through buffer spring 24, the moment of torsion that produces connecting axle 12 cushions, the stepless transmission structure who drives and be connected with connector 16 again rotates, change speed.

When the buffer structure is installed, the connecting cover 17 is sleeved on the connecting shaft 12, the cylindrical insertion block 19 is aligned with the cylindrical insertion slot 18, the stop block 21 is aligned with the positioning slot 20 and inserted, after the cylindrical insertion block 19 is inserted into the cylindrical insertion slot 18, the stop block 21 can be located inside the buffer slot 22, the connecting cover 17 is installed again, the cylindrical insertion block 19 is limited, and the stop block 21 is completely located inside the buffer slot 22.

The beneficial effects of the above technical scheme are:

the application provides a buffering type buncher has realized that drive structure when the operation, extrudees the inside buffer block 23 of dashpot 22 through dog 21, extrudees buffer spring 24, through buffer spring 24's elastic force, cushions the moment of torsion moment that connecting axle 12 produced to the security of drive structure and infinitely variable transmission structure has been protected, has improved the life of device.

In one embodiment of the present application, as shown in fig. 1-7, the housing comprises: go up casing 1, casing 2, stand 3, bolt groove 4 and bolt 5 down, go up casing 1 and casing 2 symmetry setting down, and the vertical fixed mounting of multiunit stand 3 range on the interior bottom of casing 2 down, the multiunit bolt groove 4 is seted up respectively on multiunit stand 3, and multiunit bolt 5 range installs on last casing 1 and threaded connection in multiunit bolt groove 4 respectively, the quantity of bolt 5 is three groups, and three group's bolts 5 lie in respectively in the middle of casing 1 and be close to its both sides and set up.

The working principle of the technical scheme is as follows:

the application provides a buffer type buncher, go up casing 1, casing 2 constitution basic housing down, go up casing 1 and casing 2 down through 5 precession stands 3 in the bolt groove 4, realize going up casing 1 and down the connection between casing 2 fixed, fix the both sides and the middle part of last casing 1 and casing 2 respectively through three group's bolts 5.

The beneficial effects of the above technical scheme are:

the application provides a buffering type buncher fixes the both sides and the middle part of casing 1 and casing 2 down respectively through three group's bolts 5, has improved the equipment fastness and the stability of shell, makes it be difficult for scattering the frame.

According to fig. 1-7, in an embodiment of the present application, a sealing insertion plate 6 is installed at a connection position of the upper housing 1 and the lower housing 2, the sealing insertion plate 6 is close to the outer side wall of the upper housing 2 and is arc-shaped, and the sealing insertion plate 6 is abutted to the inner wall of the lower housing 1.

The working principle of the technical scheme is as follows:

the application provides a buffering type buncher, when last casing 1 and lower casing 2 installed, the arc tip of last sealed picture peg 6 on the casing 1 can lead it to inject in the inner wall of casing 2 down, makes sealed picture peg 6 offset with the inner wall of casing 2 down.

The beneficial effects of the above technical scheme are:

the application provides a buffering type buncher, through last casing 1 with casing 2's junction installation sealing insertion plate 6 down, the leakproofness of junction when having improved last casing 1 and casing 2 and being connected down can prevent the entering of debris such as dust, has protected the safety of the inside stepless transmission structure of shell.

In one embodiment of the present application, the upper and lower casings 1 and 2 are wrapped with sound insulation films on their inner walls, as shown in fig. 1 to 7.

The working principle of the technical scheme is as follows:

the application provides a buffering type buncher, the sound-proof membrane wraps up the inner wall part of casing 1 and casing 2 down, and when the inside buncher structure of shell was operated, the noise that produces when operating it carries out the separation.

The beneficial effects of the above technical scheme are:

the application provides a buffering type buncher carries out the separation through the noise that the sound-proof membrane produced to the shell is inside to the noise pollution that produces when slowing down the device operation makes the device have the function of making an uproar.

In one embodiment of the present application, the stepless transmission structure comprises, according to fig. 1-2: drive shaft 7, output shaft 8, initiative conical disk 9, driven conical disk 10 and conveyer belt 11, drive shaft 7 and output shaft 8 are all installed inside the shell, and the shell setting is run through respectively to the opposite one end of drive shaft 7 and output shaft 8, initiative conical disk 9 and driven conical disk 10 are installed respectively on drive shaft 7 and output shaft 8, and initiative conical disk 9 and driven conical disk 10 pass through conveyer belt 11 transmission and connect, drive shaft 7 runs through the one end and the connector 16 fixed connection of shell, the one end that drive shaft 7 and output shaft 8 are located the shell inside all is connected through the inner wall rotation of bearing and shell, and the bearing installation is on 2 inner walls of lower casing.

The working principle of the technical scheme is as follows:

the application provides a buffer type buncher, when drive structure drive connecting axle 12 rotates, connecting axle 12 drives drive shaft 7 and rotates, thereby make initiative conical disk 9 pass through conveyer belt 11 and drive driven conical disk 10 and rotate, carry out power take off through output shaft 8 at last, open and shut through the linkage of initiative conical disk 9 and driven conical disk 10, realize the power change of control output shaft 8 output, carry out infinitely variable operation, drive shaft 7 and output shaft 8 one end between them all are located inside the shell, reduce the possibility that the inside subassembly of shell exposes outside, protect the inside infinitely variable transmission structure of shell.

The beneficial effects of the above technical scheme are:

the application provides a buffering type buncher, realizes the derailleur function through simple infinitely variable transmission structure, is applicable to some comparatively simple and need the equipment of variable speed function on, reduces its equipment cost.

According to fig. 1 and 2, in an embodiment of the present application, the driving structure includes a driving motor 13, a rotating shaft 14 and a coupling 15, one end of the rotating shaft 14 is fixedly installed on an output end of the driving motor 13, and the other end of the rotating shaft 14 is fixedly connected with an end of the connecting shaft 12 through the coupling 15.

The working principle of the technical scheme is as follows:

according to the buffer type continuously variable transmission provided by the application, the driving motor 13 is used as driving equipment of a continuously variable transmission structure, and drives the connecting shaft 12 connected with the rotating shaft 14 through the coupler 15 to rotate, so that the continuously variable transmission structure in the shell is driven.

The beneficial effects of the above technical scheme are:

the application provides a buffering type buncher, connecting shaft 12 passes through shaft coupling 15 and is connected with pivot 14, makes connecting shaft 12 can dismantle, conveniently changes it.

According to fig. 1-4, in one embodiment of the present application, a through hole 25 is formed in the connection cover 17, the connection shaft 12 penetrates through the through hole 25 and is rotatably connected with the through hole, an annular sealing gasket is disposed in the through hole 25, and the connection cover 17 is in threaded connection with the connection head 16.

The working principle of the technical scheme is as follows:

when the connecting cover 17 is installed, the connecting shaft 12 penetrates through the through hole 25 in the connecting cover 17, the connecting cover 17 can slide on the connecting shaft 12, the connecting cover 17 is screwed on the connecting head 16, and the limit of the connecting cover 17 on the columnar insert block 19 can be realized.

The beneficial effects of the above technical scheme are:

the application provides a buffering type buncher, connect lid 17 to be located connecting axle 12, can prevent to lose, improves the fastness when connecting axle 12 is connected with connector 16 simultaneously, and the connection lid 17 with connector 16 threaded connection conveniently connects and separates, makes things convenient for installation and dismantlement between connecting axle 12 and the connector 16.

According to fig. 1-7, in an embodiment of the present application, the joints of the two ends of the upper casing 1 and the lower casing 2 are arc-shaped, and the edges of the outer side walls of the upper casing 1 and the lower casing 2 are chamfered.

The working principle of the technical scheme is as follows:

the application provides a buffering type buncher, makes the basic shell both sides of constituteing by last casing 1 and lower casing 2 be the arc, carries out the passivation to its edge.

The beneficial effects of the above technical scheme are:

the application provides a buffer type buncher reduces the whole volume of shell, passivates its corner, improves its safety in utilization, prevents the fish tail.

In one embodiment of the present application, as shown in fig. 1 to 7, the stopper 21 has a length smaller than a height of the buffer groove 22.

The working principle of the technical scheme is as follows:

in the buffered continuously variable transmission provided by the present application, the stopper 21 can move up and down a small distance in the buffer slot 22.

The beneficial effects of the above technical scheme are:

the application provides a buffering type buncher avoids dog 21 and 22 buffer slot's upper and lower inner wall to take place the friction, makes dog 21 only can extrude buffer block 23, guarantees its buffering effect.

The application provides a buffering type buncher's theory of operation does: when the device is installed, a driving shaft 7, an output shaft 8, a driving conical disc 9, a driven conical disc 10 and a conveyor belt 11 are installed inside a lower shell 2, an upper shell 1 is aligned with the lower shell 2, the upper shell 1 is screwed into bolt grooves 4 in corresponding stand columns 3 through three groups of bolts 5, two sides and the middle part of the upper shell 1 and the lower shell 2 are respectively fixed, the end part of a connecting shaft 12 is fixedly connected with a rotating shaft 14 on a driving motor 13 through a coupler 15, a cylindrical insertion block 19 is aligned with a cylindrical insertion groove 18, a stop block 21 is aligned with a positioning insertion groove 20 and inserted, after the cylindrical insertion block 19 is inserted into the cylindrical insertion groove 18, the stop block 21 can be located inside a buffer groove 22, a connecting cover 17 is installed, the cylindrical insertion block 19 is limited, and the stop block 21 is completely located inside the buffer groove 22.

When the device is operated, the driving motor 13 is used as driving equipment of a stepless transmission structure to drive the connecting shaft 12 connected with the rotating shaft 14 through the coupler 15 to rotate, when the driving motor 13 is started, the driving motor 13 has larger torque, the stop block 21 on the cylindrical insertion block 19 can extrude the buffer block 23 inside the buffer groove 22 at the moment of rotation of the connecting shaft 12 to extrude the buffer spring 24, the instant torque generated by the connecting shaft 12 is buffered through the elastic force of the buffer spring 24, the driving shaft 7 connected with the connector 16 is driven to rotate, so that the driving conical disc 9 drives the driven conical disc 10 to rotate through the conveyor belt 11, finally, power output is carried out through the output shaft 8, and power change output by the output shaft 8 is controlled through linkage opening and closing of the driving conical disc 9 and the driven conical disc 10 to carry out stepless speed change operation.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; 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 application.