CN214788922U

CN214788922U - Spline shaft assembly of electric friction gearbox

Info

Publication number: CN214788922U
Application number: CN202121111449.7U
Authority: CN
Inventors: 周燕; 毛春梅; 汪亚尔
Original assignee: Yuyao Linding Transmission Co ltd
Current assignee: Yuyao Linding Transmission Co ltd
Priority date: 2021-05-21
Filing date: 2021-05-21
Publication date: 2021-11-19
Anticipated expiration: 2031-05-21

Abstract

The utility model belongs to the technical field of the technique of gearbox is rubbed to electricity and specifically relates to a gearbox integral key shaft subassembly is rubbed to electricity relates to electricity, including the spline rod with set up the connecting rod on the spline rod, the one end of spline rod is provided with the connector, the connecting rod be close to the one end of connector set up with the spliced eye of connector looks adaptation, seted up the locking groove on the connector, be provided with locking device on the connecting rod, locking device and locking groove looks joint. This application has the spline pole of reduction and produces damaged back in the use, need all carry out the appearance of the condition of changing with spline pole and connecting rod, and then resources are saved's effect.

Description

Spline shaft assembly of electric friction gearbox

Technical Field

The application relates to the technical field of electric friction gearboxes, in particular to a spline shaft assembly of an electric friction gearbox.

Background

The speed changing mechanism of the electric friction speed changing box comprises a spline shaft which is a mechanical transmission type and has the same functions as a flat key, a semicircular key and an inclined key and transmits mechanical torque, a longitudinal key groove is arranged on the outer surface of the shaft, a rotating part sleeved on the shaft also has a corresponding key groove and can keep rotating synchronously with the shaft, and some of the rotating parts can also slide longitudinally on the shaft while rotating, such as a gear shifting gear of the speed changing box.

The existing spline shaft generally comprises a spline rod and a connecting rod fixed on the spline rod, the connecting rod is used for being connected with an external driving piece, the spline rod is used for driving a rotating piece on the spline rod to rotate, and in operation, the driving piece drives the connecting rod and the spline rod to rotate to drive the rotating piece to rotate.

In view of the above-mentioned related technologies, the inventor thinks that there is a defect that resource waste is easily caused because the spline rod and the connecting rod need to be replaced completely after the spline rod is damaged in the using process.

SUMMERY OF THE UTILITY MODEL

In order to reduce the spline pole and produce the damaged back in the use, need all carry out the appearance of the condition of changing with spline pole and connecting rod, and then resources are saved, this application provides the gearbox spline shaft subassembly that rubs.

The application provides an electricity friction gearbox spline shaft subassembly adopts following technical scheme:

electric gearbox integral key shaft subassembly that rubs, including the spline rod with set up the connecting rod on the spline rod, the one end of spline rod is provided with the connector, the spliced eye with connector looks adaptation is seted up to the one end that the connecting rod is close to the connector, the locking groove has been seted up on the connector, be provided with locking device on the connecting rod, locking device and locking groove looks joint.

Through adopting the above technical scheme, the one end of spline rod is provided with the connector, insert the connector in the spliced eye after, with locking device and locking groove looks joint, can realize being connected between spline rod and the connecting rod, no longer with locking device with locking groove looks joint after, and pull out the connector in the spliced eye, can realize the dismantlement between spline rod and the connecting rod, reduce spline rod and produce damaged back in the use, need all carry out the appearance of the condition of changing with spline rod and connecting rod, and then resources are saved.

Optionally: the locking device comprises a support plate arranged on the connecting rod, a locking rod penetrating through the support plate and a locking block arranged on the locking rod, and the locking block is clamped with the locking groove.

Through adopting above-mentioned technical scheme, promote the check lock lever, drive the latch segment and insert the locking inslot, can realize the joint between latch segment and the locking groove, make the connection between connecting rod and the spline rod more convenient.

Optionally: the cross section of locking groove is "T" type, be provided with arcwall face and right angle face on the latch segment, arcwall face and right angle face set up with the central axis of check lock lever interval in proper order, arcwall face and locking groove normal running fit, right angle face and locking groove looks joint.

Through adopting above-mentioned technical scheme, when rotating the check lock lever, can drive the latch segment and rotate, make arcwall face and right angle face rotate simultaneously, the arcwall face butt can drive the right angle face and continue to rotate on the locking groove back, and when the right angle face butt back on the locking groove, the right angle face and the looks joint of locking groove can realize the joint between latch segment and the locking groove.

Optionally: the cover is equipped with the elastic component that resets that is used for promoting the latch segment butt in the locking groove on the check lock pole, the one end of elastic component that resets is connected with the backup pad, and the other end butt is on the latch segment.

Through adopting above-mentioned technical scheme, through the setting of the elastic component that resets, make latch segment butt in locking inslot back, the elastic component that resets can promote latch segment butt in locking inslot, makes the latch segment and is connected more stably between the locking groove.

Optionally: the connecting head is provided with a limiting plate, the connecting rod is provided with a limiting groove matched with the limiting plate, and the limiting plate is in sliding fit with the limiting groove.

By adopting the technical scheme, after the limiting plate is inserted into the limiting groove through the limiting plate, the locking groove is positioned at the position corresponding to the locking block, the locking block and the locking groove are conveniently clamped, and time and labor are saved.

Optionally: and the side surface of the limiting plate close to the limiting groove is provided with an arc surface.

Through adopting above-mentioned technical scheme, through the setting of arcwall face, it is more convenient when can making the limiting plate insert the spacing inslot.

Optionally: and a limiting rod used for limiting the sliding of the locking rod is arranged at one end of the locking rod, which is far away from the locking block.

Through adopting above-mentioned technical scheme, through the setting of gag lever post, can carry out spacing processing to the slip of locking lever, avoid the elastic component that resets to drive the release from the backup pad in the locking lever.

Optionally: the spline rod is sleeved with a fixed rod, and the fixed rod is sleeved with a large gear.

Through adopting above-mentioned technical scheme, when the spline bar rotated, can drive the dead lever and rotate, and then drive the gear wheel and rotate, realize that the gear wheel drives the rotation of external rotating member, simple structure, it is convenient to use.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the connecting head is arranged at one end of the spline rod, the locking device is clamped with the locking groove after the connecting head is inserted into the inserting hole, so that the connection between the spline rod and the connecting rod can be realized, the locking device is not clamped with the locking groove, and the connecting head is pulled out of the inserting hole, so that the disassembly between the spline rod and the connecting rod can be realized, the occurrence of the situation that the spline rod and the connecting rod are required to be completely replaced after the spline rod is damaged in the using process is reduced, and further resources are saved;

2. through being provided with the limiting plate on the connector, make the limiting plate insert the spacing inslot after, the locking groove is located the corresponding position department with the latch segment, conveniently with the joint between latch segment and the locking groove, labour saving and time saving.

Drawings

FIG. 1 is a partial cross-sectional view of the present application;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic view of a partially exploded structure showing a connection relationship of a connection head and a connection rod;

fig. 4 is a partially enlarged view at B in fig. 3.

Reference numerals: 1. a spline bar; 2. a connecting rod; 21. inserting holes; 22. a limiting groove; 3. a connector; 31. a locking groove; 4. a locking device; 41. a support plate; 42. a locking lever; 43. a locking block; 431. an arc-shaped surface; 432. a right-angled surface; 5. a restoring elastic member; 6. a limiting plate; 61. a circular arc surface; 7. a limiting rod; 8. fixing the rod; 9. a bull gear; 10. and a bearing.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses electricity friction gearbox spline shaft subassembly. Referring to fig. 1 and fig. 2, electricity rubs gearbox integral key shaft subassembly, include spline bar 1 and set up connecting rod 2 on spline bar 1, spline bar 1 and connecting rod 2 are the horizontally cylinder pole, the keyway has been seted up on spline bar 1's the outer peripheral face, a week is seted up to the keyway on spline bar 1, spline bar 1 is close to the fixed connector 3 that is provided with of one end of connecting rod 2, connector 3 is the horizontally cylinder pole, the spliced eye 21 with 3 looks adaptations of connector is seted up to the one end of connecting rod 2, spliced eye 21 extends the setting to the other end from the one end that connecting rod 2 is close to connector 3. The peripheral surface of connector 3 has seted up locking groove 31, and the cross section of locking groove 31 is "T" type, is provided with locking device 4 on the connecting rod 2 fixedly. When fixing installation between connecting rod 2 and spline rod 1 is required, insert in spliced eye 21 connector 3, then with locking device 4 and locking groove 31 looks joint, make connecting rod 2 and spline rod 1 fixed mounting together.

Referring to fig. 3 and 4, fixed limiting plate 6 that is provided with on the connector 3, limiting plate 6 are the horizontally rectangular plate, and limiting plate 6 is provided with two on the outer peripheral face of connector 3, set up on connecting rod 2 with the spacing groove 22 of 6 looks adaptations of limiting plate, and spacing groove 22 is the rectangular channel, and spacing groove 22 and spliced eye 21 intercommunication, and limiting plate 6 is close to the side of spacing groove 22 and is provided with arc surface 61, limiting plate 6 and spacing groove 22 sliding fit. When needing to be connected between connecting rod 2 and the spline rod 1, align limiting plate 6 with spacing groove 22, insert plug-in connection hole 21 with connector 3 in succession, limiting plate 6 slides in spacing groove 22 simultaneously.

Referring to fig. 1 and 2, locking device 4 includes the fixed backup pad 41 that sets up on connecting rod 2, wear to locate check lock 42 and the latch segment 43 of fixed mounting on check lock 42 in backup pad 41, backup pad 41 is the horizontally rectangular plate, check lock 42 is vertical cylinder pole, the fixed gag lever post 7 that is used for carrying out spacing processing to the slip of check lock 42 that is provided with in the one end of keeping away from check lock 43 on check lock 42, gag lever post 7 is the cylinder pole, the diameter of gag lever post 7 is greater than the diameter of check lock 42. The cover is equipped with on the check lock lever 42 and is used for promoting the elastic component 5 that resets of latch segment 43 butt in locking groove 31, and the elastic component 5 that resets can directly adopt reset spring to constitute, and the vertical setting of elastic component 5 resets, and the top and the backup pad 41 fixed connection of elastic component 5 reset, bottom butt on latch segment 43.

Referring to fig. 1 and 2, latch segment 43 is horizontal rectangular block, is provided with arcwall 431 and right angle face 432 on the latch segment 43, and arcwall 431 and right angle face 432 set up with the central axis of check lock lever 42 interval in proper order, and arcwall 431 and right angle face 432 all are provided with two on latch segment 43, and two arcwall 431 are the diagonal setting, and two right angle faces 432 are the diagonal setting. Referring to fig. 3, before inserting the connector 3 into the insertion hole 21, the limiting rod 7 is pulled to drive the locking rod 42 to slide in a direction away from the connecting rod 2, the locking block 43 is driven to compress the elastic restoring member 5, then the connector 3 is inserted into the inserting hole 21, and then the length direction of the locking block 43 is arranged in the same direction as the width direction of the supporting plate 41, the limiting rod 7 is loosened, the reset elastic piece 5 drives the locking block 43 to be inserted into the locking groove 31, then, the limiting rod 7 is rotated to drive the locking rod 42 and the locking block 43 to rotate, the arc-shaped surface 431 is rotated towards the side wall close to the locking groove 31, the arc-shaped surface 431 is in running fit with the locking groove 31 to drive the right-angle surface 432 to rotate, the right-angle surface 432 is abutted against the side wall of the locking groove 31, the right-angle surface 432 is clamped with the locking groove 31, and the fixed locking between the locking block 43 and the locking groove 31 is completed (the state is shown in fig. 2).

Referring to fig. 1 and 3, the cover is equipped with dead lever 8 on the spline pole 1, and dead lever 8 is the horizontally cylinder pole, and is provided with the keyway corresponding with spline pole 1 on the inner wall of dead lever 8, and fixed cover is equipped with gear wheel 9 on the dead lever 8, and the vertical setting of gear wheel 9 is fixed to be equipped with two bearings 10 on the dead lever 8, and two bearings 10 interval settings, and the both sides of gear wheel 9 respectively are provided with a bearing 10.

The implementation principle of the electric friction gearbox spline shaft assembly in the embodiment of the application is as follows: when needing to connect spline shaft 1 and connecting rod 2 together, stimulate gag lever post 7 earlier, drive latch segment 43 to keeping away from the motion of spliced eye 21 department, align limiting plate 6 and spacing groove 22 after that, promote connector 3, make stopper 6 insert in the spacing groove 22, connector 3 inserts in the spliced eye 21 simultaneously, latch segment 43 inserts in the locking groove 31 afterwards, rotating gag lever post 7, drive latch segment 42 and rotate, drive the joint between latch segment 43 and the locking groove 31, accomplish being connected between spline shaft 1 and the connecting rod 2. When the spline rod 1 needs to be detached from the connecting rod 2, the limiting rod 7 is rotated reversely, so that the locking block 43 is not clamped with the locking groove 31 any more, the locking block 43 is pulled to slide out of the locking groove 31, the connector 3 is pulled out of the inserting hole 21, and the spline rod 1 and the connecting rod 2 are detached.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. Electric gearbox spline axle subassembly that rubs includes spline rod (1) and sets up connecting rod (2) on spline rod (1), its characterized in that: the spline rod is characterized in that a connector (3) is arranged at one end of the spline rod (1), an inserting hole (21) matched with the connector (3) is formed in one end, close to the connector (3), of the connecting rod (2), a locking groove (31) is formed in the connector (3), a locking device (4) is arranged on the connecting rod (2), and the locking device (4) is connected with the locking groove (31) in a clamped mode.

2. The electric friction gearbox spline shaft assembly of claim 1, wherein: locking device (4) including set up backup pad (41) on connecting rod (2), wear to locate check lock lever (42) in backup pad (41) and install latch segment (43) on check lock lever (42), latch segment (43) and locking groove (31) looks joint.

3. The electric friction gearbox spline shaft assembly of claim 2, wherein: the cross section of locking groove (31) is "T" type, be provided with arcwall face (431) and right angle face (432) on latch segment (43), arcwall face (431) and right angle face (432) set up with the central axis interval in proper order of check lock lever (42), arcwall face (431) and locking groove (31) normal running fit, right angle face (432) and locking groove (31) looks joint.

4. The electric friction gearbox spline shaft assembly of claim 3, wherein: the locking rod (42) is sleeved with a reset elastic piece (5) used for pushing the locking block (43) to abut against the locking groove (31), one end of the reset elastic piece (5) is connected with the supporting plate (41), and the other end of the reset elastic piece abuts against the locking block (43).

5. The electric friction gearbox spline shaft assembly of claim 1, wherein: be provided with limiting plate (6) on connector (3), be provided with spacing groove (22) with limiting plate (6) looks adaptation on connecting rod (2), limiting plate (6) and spacing groove (22) sliding fit.

6. The electric friction gearbox spline shaft assembly of claim 5, wherein: and the side surface of the limiting plate (6) close to the limiting groove (22) is provided with an arc surface (61).

7. The electric friction gearbox spline shaft assembly of claim 2, wherein: and a limiting rod (7) used for limiting the sliding of the locking rod (42) is arranged at one end of the locking rod (42) far away from the locking block (43).

8. The electric friction gearbox spline shaft assembly of claim 1, wherein: the spline rod (1) is sleeved with a fixed rod (8), and the fixed rod (8) is sleeved with a large gear (9).