CN209781504U - automobile transmission shaft fixing structure with damping function - Google Patents

Abstract

The utility model discloses an automobile transmission shaft fixed knot constructs with shock-absorbing function, including transmission shaft and gearbox housing. The utility model discloses in, carry out the joint with transmission shaft both ends and cross, the flange of rethread transmission shaft one end is inserted and is fixed connection with rear axle flange dish, the transmission shaft other end passes through the cross and inserts swing joint with the initiative universal joint, insert through the initiative universal joint and peg graft with the derailleur output shaft, fix the snap ring joint in the draw-in groove that derailleur casing one end was seted up simultaneously, the snap ring passes through elastic component and bearing elastic connection, the bearing cup joints and inserts one end surface at the initiative universal joint, the derailleur output shaft passes through the slot and drives the initiative universal joint and insert the rotation, the initiative universal joint is inserted and is driven the transmission shaft through the axle sleeve and rotate, when the vehicle went in rugged road section, automobile body shock attenuation equipment carries out the shock attenuation to vehicle chassis, make the whole running angle of transmission shaft change, the initiative universal joint is inserted and.

Description

Automobile transmission shaft fixing structure with damping function

Technical Field

The utility model relates to a transmission shaft technical field especially relates to an automobile transmission shaft fixed knot constructs with shock-absorbing function.

Background

The transmission shaft is a high-speed, low-bearing rotating body, so that the dynamic balance of the transmission shaft is crucial. The dynamic balance test is carried out on a general transmission shaft before leaving a factory, and the transmission shaft is adjusted on a balancing machine. In the case of a front engine rear wheel drive vehicle, the transmission is arranged to transmit the rotation of the transmission to the shaft of the final drive, and the transmission can be provided with a plurality of joints, and the joints can be connected through universal joints.

When a vehicle runs on a rugged road, the vehicle can drive the whole running angle of the transmission shaft to change along with the shock absorption of the shock absorption equipment of the vehicle body on the vehicle body, in order to ensure that the transmission shaft can run normally, a sliding stroke is arranged at the splicing part of the driving universal joint fork and the output shaft of the transmission, so as to ensure that the transmission shaft is still in a normal running state when the whole running angle of the transmission shaft changes, but when the vehicle runs on the rugged road, the whole running angle of the transmission shaft changes continuously, so that one end of a baffle plate connected with a cross shaft can do reciprocating motion on the surface of the output shaft of the transmission through the driving universal joint fork, and a baffle plate can collide onto a shell of the transmission, and the driving universal joint fork and the output shaft node of the transmission collide continuously, thereby increasing the abrasion between the driving universal joint fork and the output shaft, therefore, the service life of the driving universal joint fork is shortened, and the automobile transmission shaft fixing structure with the damping function is provided specially for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing an automobile transmission shaft fixing structure with a damping function.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides an automobile transmission shaft fixed knot constructs with shock-absorbing function, includes transmission shaft and transmission housing, the universal joint sleeve has been welded respectively at the transmission shaft both ends, and the transmission shaft both ends are respectively through universal joint sleeve and cross joint, the joint is inserted to the cross and the flange of transmission shaft one end, and the cross and the initiative universal joint fork joint of the transmission shaft other end, the welding of initiative universal joint fork surface one end has the fender dish, and fender dish one side is located initiative universal joint fork surface and has cup jointed the bearing, a bearing side table passes through elastic component and snap ring elastic connection, and the snap ring passes through draw-in groove and transmission housing joint, the inside derailleur output shaft that is equipped with of transmission housing, and the derailleur output shaft passes through the slot and pegs graft with the initiative universal joint fork, the initiative universal joint fork passes through the axle sleeve and pegs graft with the.

Preferably, the transmission shaft is of a cylindrical hollow structure, and universal joint sleeves welded at two ends of the transmission shaft are of U-shaped structures.

Preferably, the snap ring is sleeved on the surface of the active universal joint fork, and the diameter of the inner ring of the snap ring is slightly larger than the diameter of the cross section of the active universal joint fork.

preferably, the elastic part is sleeved on the surface of the driving universal joint yoke through a bearing, the diameter of an inner ring of the elastic part is larger than that of an inner ring of the bearing, and the diameter of an outer ring of the elastic part is smaller than that of an outer ring of the bearing.

Preferably, the surface of the transmission output shaft is provided with teeth, and the transmission output shaft is meshed with the teeth arranged in the slot through the teeth.

Preferably, the driving universal joint fork and the slot, the clamping ring, the elastic piece, the bearing and the baffle disc are of an integrated structure.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. in the utility model, two ends of a transmission shaft are clamped with a cross shaft, the flange at one end of the transmission shaft is inserted and fixedly connected with a rear axle flange disc, the other end of the transmission shaft is movably connected with a driving universal joint fork through the cross shaft and is inserted and connected with a transmission output shaft through the driving universal joint fork, a snap ring is clamped and fixed in a clamping groove arranged at one end of a transmission shell, the snap ring is elastically connected with a bearing through an elastic part, the bearing is sleeved on the surface of one end of the driving universal joint fork, the transmission output shaft drives the driving universal joint fork to rotate through the inserting groove, the driving universal joint fork drives the transmission shaft to rotate through a shaft sleeve, when a vehicle runs on a rugged road section, a vehicle body damping device damps the automobile chassis, so that the whole running angle of the transmission shaft is changed, meanwhile, the driving universal joint fork and the transmission output shaft do, when reciprocating type operation is done between initiative universal joint fork and the derailleur output shaft, initiative universal joint fork slides through axle sleeve and snap ring, and the elastic component cushions the gliding effort of initiative universal joint fork, increases the distance between fender dish and the derailleur casing, has also reduced the impact force of initiative universal joint fork and derailleur output shaft simultaneously to the wearing and tearing of initiative universal joint fork and derailleur output shaft have been reduced, the life of initiative universal joint fork and derailleur output shaft is improved.

Drawings

Fig. 1 is a schematic structural view of an automobile transmission shaft fixing structure with a damping function according to the present invention;

Fig. 2 is a schematic view of a partial structure inside a transmission housing of an automobile transmission shaft fixing structure with a shock-absorbing function according to the present invention;

Fig. 3 is the utility model provides an automobile transmission shaft fixed knot constructs initiative universal joint fork structural schematic with shock-absorbing function.

Illustration of the drawings:

1. A drive shaft; 2. a universal joint sleeve; 3. a cross shaft; 4. inserting a flange; 5. a catch tray; 6. a bearing; 7. an elastic member; 8. a snap ring; 9. an active gimbal fork; 10. a transmission housing; 11. a transmission output shaft; 12. a card slot; 13. a shaft sleeve; 14. and (4) a slot.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, an automobile transmission shaft fixing structure with a shock absorption function comprises a transmission shaft 1 and a transmission housing 10, wherein universal joint sleeves 2 are welded at two ends of the transmission shaft 1 respectively, and two ends of the transmission shaft 1 are respectively clamped with a cross shaft 3 through universal joint sleeve pipes 2, the cross shaft 3 at one end of the transmission shaft 1 is clamped with a flange insert 4, and the cross shaft 3 at the other end of the transmission shaft 1 is clamped with the driving universal joint fork 9, one end of the surface of the driving universal joint fork 9 is welded with a baffle disc 5, and one side of the baffle disc 5 is positioned on the surface of the driving universal joint fork 9 and is sleeved with a bearing 6, one side surface of the bearing 6 is elastically connected with a snap ring 8 through an elastic piece 7, the snap ring 8 is clamped with the transmission shell 10 through the clamping groove 12, the transmission output shaft 11 is arranged inside the transmission shell 10, and the transmission output shaft 11 is inserted with the driving universal joint fork 9 through the slot 14, and the driving universal joint fork 9 is inserted with the inside of the transmission shell 10 through the shaft sleeve 13.

The transmission shaft 1 is a cylindrical hollow structure, universal joint sleeves 2 welded at two ends of the transmission shaft 1 are of a U-shaped structure, a clamping ring 8 is sleeved on the surface of a driving universal joint fork 9, the diameter of an inner ring of the clamping ring 8 is slightly larger than the diameter of the cross section of the driving universal joint fork 9, an elastic part 7 is sleeved on the surface of the driving universal joint fork 9 through a bearing 6, the diameter of the inner ring of the elastic part 7 is larger than that of an inner ring of the bearing 6, the diameter of an outer ring of the elastic part 7 is smaller than that of an outer ring of the bearing 6 directly, teeth are arranged on the surface of a transmission output shaft 11, the transmission output shaft 11 is meshed with the teeth arranged in a slot 14 through the teeth, the driving universal joint fork 9, the slot 14, the clamping ring 8, the elastic part 7, the bearing 6 and a baffle plate 5 are of an integrated structure, a flange insert 4 is fixedly connected with a rear axle flange plate, the rubber pad can reduce the vibrations that the transmission shaft 1 operation in-process produced when playing sealed effect, improves passenger's comfort level.

The working principle is as follows: when the automobile transmission shaft damping device is used, two ends of a transmission shaft 1 are clamped with a cross shaft 3, the transmission shaft 1 is fixedly connected with a rear axle flange disc through a flange insert 4 at one end of the transmission shaft 1, the other end of the transmission shaft 1 is movably connected with a driving universal joint fork 9 through the cross shaft 3, the transmission shaft 1 is inserted with a transmission output shaft 11 through the driving universal joint fork 9, a clamping ring 8 is clamped in a clamping groove 12 formed in one end of a transmission shell 10 to be fixed, the clamping ring 8 is elastically connected with a bearing 6 through an elastic piece 7, the bearing 6 is sleeved on one end surface of the driving universal joint fork 9, the transmission output shaft 11 drives the driving universal joint fork 9 to rotate through an inserting groove 14, the driving universal joint fork 9 drives the transmission shaft 1 to rotate through a shaft sleeve 13, when an automobile runs on a rugged road section, automobile body damping equipment damps an automobile chassis, so that the integral running angle of the transmission shaft 1 is changed, and, guarantee transmission shaft 1 can normal operating, when reciprocating type operation is done between initiative universal joint fork 9 and derailleur output shaft 11, initiative universal joint fork 9 slides through axle sleeve 13 and snap ring 8, elastic component 7 cushions the gliding effort of initiative universal joint fork 9, increase the distance between fender dish 5 and the derailleur casing 10, the impact force of initiative universal joint fork 9 and derailleur output shaft 11 has also been reduced simultaneously, thereby the wearing and tearing of initiative universal joint fork 9 and derailleur output shaft 11 have been reduced, the life of initiative universal joint fork 9 and derailleur output shaft 11 is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (6)

1. The utility model provides an automobile transmission shaft fixed knot constructs with shock-absorbing function, includes transmission shaft (1) and derailleur casing (10), its characterized in that, universal joint sleeve (2) have been welded respectively at transmission shaft (1) both ends, and transmission shaft (1) both ends are respectively through universal joint sleeve (2) and cross (3) joint, cross (3) and the flange of transmission shaft (1) one end are inserted (4) joint, and cross (3) and the joint of initiative universal joint fork (9) of transmission shaft (1) other end, the welding of initiative universal joint fork (9) surface one end has fender dish (5), and fender dish (5) one side is located initiative universal joint fork (9) surface and has cup jointed bearing (6), a bearing (6) side table passes through elastic component (7) and snap ring (8) elastic connection, and snap ring (8) pass through draw-in groove (12) and derailleur casing (10) joint, the transmission is characterized in that a transmission output shaft (11) is arranged inside the transmission shell (10), the transmission output shaft (11) is connected with the driving universal joint fork (9) in an inserting mode through a slot (14), and the driving universal joint fork (9) is connected with the inside of the transmission shell (10) in an inserting mode through a shaft sleeve (13).

2. The automobile transmission shaft fixing structure with the shock absorption function according to claim 1, wherein the transmission shaft (1) is of a cylindrical hollow structure, and the universal joint sleeve (2) welded to two ends of the transmission shaft (1) is of a U-shaped structure.

3. The automobile transmission shaft fixing structure with the shock absorption function according to claim 1, wherein the snap ring (8) is sleeved on the surface of the active universal joint yoke (9), and the diameter of the inner ring of the snap ring (8) is slightly larger than the diameter of the cross section of the active universal joint yoke (9).

4. the automobile transmission shaft fixing structure with the shock absorption function according to claim 1, wherein the elastic member (7) is sleeved on the surface of the driving universal joint yoke (9) through the bearing (6), the diameter of an inner ring of the elastic member (7) is larger than that of an inner ring of the bearing (6), and the diameter of an outer ring of the elastic member (7) is smaller than that of an outer ring of the bearing (6).

5. The automobile transmission shaft fixing structure with the shock absorption function according to claim 1, wherein teeth are formed on the surface of the transmission output shaft (11), and the transmission output shaft (11) is engaged with the teeth formed inside the insertion groove (14) through the teeth.

6. The automobile transmission shaft fixing structure with the shock absorption function according to claim 1, wherein the driving universal joint fork (9) is of an integrated structure with the slot (14), the snap ring (8), the elastic piece (7), the bearing (6) and the baffle disc (5).