CN202463571U

CN202463571U - Universal transmission device

Info

Publication number: CN202463571U
Application number: CN2012200939213U
Authority: CN
Inventors: 颜志新
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-03-13
Filing date: 2012-03-13
Publication date: 2012-10-03
Anticipated expiration: 2022-03-13

Abstract

The utility model discloses a universal transmission device comprising an inner half shaft, an outer half shaft, a half shaft connection seat, an inner cross shaft seat and an outer cross shaft seat. Shaft holes, two axes of which are both arranged along the horizontal direction, are respectively formed at the inner side and the outer side of the half shaft connection seat, structures at the inner side and the outer side of the half shaft connection seat are symmetrically arranged, a hollow part is formed in the middle of the inner cross shaft seat, shaft necks rotatably arranged in the two shaft holes at the inner side of the half shaft connection seat are respectively formed at both sides in the horizontal direction, through holes are formed both in the inner cross shaft seat and the inner half shaft in the longitudinal direction, and the inner half shaft penetrates through the hollow part of the inner cross shaft seat so that the through hole of the inner half shaft is aligned with the through hole of the inner cross shaft seat to be positioned by a connection shaft accommodated in the through hole of the inner half shaft, a screw rod running through the connection shaft and two screw nuts respectively screwed at both ends of the screw rod. With the adoption of the universal transmission device, greater torque can be transferred, stress concentration does not easily occur, the fracture probability can be reduced, and the effect of prolonging the service life can be finally achieved.

Description

A kind of universal driving device

Technical field

The utility model relates to the transmission device field, relates to a kind of novel and universal driving device that structural strength is high in particular.

Background technology

In the vehicle bridge field, all essential universal driving device that need to be equipped with, it is a requisite accessory between axle drive shaft and the mobile devices, thereby provides strong support for the stable transmission of power of whole vehicle bridge.

Traditional universal driving device, it includes inner shaft, outer semiaxis and center cross, and this center cross is a cross structure, promptly has two first axle journals of left and right directions and two second axle journals of above-below direction; This inner shaft then is hinged and connected with first axle journal of cross bar, and outer semiaxis then is hinged and connected with second axle journal of cross bar.So two intersecting axles of center cross laterally stagger each other; And through making inner shaft and outer semiaxis can bear bigger axial angle; And output shaft still can rotate smoothly when external steering swivel turns an angle; Thereby make when inner shaft and outside during the semiaxis disalignment, still can realize the transmission of power.

But, above-mentioned traditional universal driving device, when it transmitted the power than high pulling torque, inner shaft or outer semiaxis and center cross first axle journal or the second axle journal connecting bridge will receive very big moment of torsion, so go down for a long time, can cause the fracture by fatigue of center cross.

In view of this, the inventor has this case to produce to the above-mentioned defective in-depth study of existing universal driving device then.

The utility model content

The purpose of the utility model is to provide a kind of universal driving device, has the relatively poor defective of durability to solve the center cross easy fatigue fracture in the existing universal driving device.

In order to reach above-mentioned purpose, the solution of the utility model is:

A kind of universal driving device wherein, comprises inner shaft, outer semiaxis, semiaxis Connection Block, interior cross axle bed and outer cross axle bed, and the inside and outside both sides of this semiaxis Connection Block are respectively equipped with two axis all along the axis hole of horizontally set; Should form hollow-out parts in interior cross axle bed middle part, and all be formed with the rotatable respectively axle journal of being located at inboard two axis holes of this semiaxis Connection Block in both lateral sides; Should form hollow-out parts in outer cross axle bed middle part, and all be formed with the rotatable respectively axle journal of being located at these semiaxis Connection Block outside two axis holes in both lateral sides; Should in cross axle bed and inner shaft all vertically be formed with through hole, the hollow-out parts of this inner shaft through cross axle bed in this alignd afterwards the inner shaft through hole and located through two nuts that are installed with the screw rod of adapter shaft in the inner shaft through hole, perforation adapter shaft and are screwed onto the screw rod two ends respectively with interior cross axle bed through hole; Should outer cross axle bed all vertically be formed with through hole with outer semiaxis, the hollow-out parts of this outer semiaxis through this outer cross axle bed alignd afterwards outer semiaxis through hole and located through two nuts that are installed with the screw rod of adapter shaft in the semiaxis through hole outside, perforation adapter shaft and are screwed onto the screw rod two ends respectively with outer cross axle bed through hole.

Further, the through hole of this outer cross axle bed and interior cross axle bed and its also are provided with the first needle roller group separately between in-to-in adapter shaft.

Further, this outer cross axle bed also is provided with the second needle roller group between the corresponding semiaxis Connection Block upper shaft hole of institute with the axle journal of interior cross axle bed with it separately.

Further; This universal driving device also comprises first shaft-cup and second shaft-cup that is positioned at the semiaxis Connection Block outside and is positioned at semiaxis Connection Block inboard third axle lid and the 4th shaft-cup; This first shaft-cup, second shaft-cup, third axle lid and the 4th shaft-cup all are fixed on the semiaxis Connection Block, and the axis hole on this semiaxis Connection Block is respectively formed on first shaft-cup, second shaft-cup, third axle lid and the 4th shaft-cup.

After adopting said structure, a kind of universal driving device that the utility model relates to can be realized between its inner shaft and the interior cross axle bed vertically to be that axle rotates, and can realize between interior cross axle bed and the semiaxis Connection Block laterally being that axle rotates; Likewise, can realize between its outer semiaxis and the outer cross axle bed, can realize between outer cross axle bed and the semiaxis Connection Block laterally serve as spool to be rotation vertically to be that axle rotates; Whole universal driving device like this can transmit bigger moment, also is not easy to take place stress concentration simultaneously, can reduce fracture probability and finally reach the effect that increases the service life.

Description of drawings

Fig. 1 to Fig. 3 is the utility model the relates to three-dimensional exploded view of a kind of universal driving device on three different angles;

Fig. 4 is a kind of universal driving device assembled sectional view one for the utility model relates to;

Fig. 5 is a kind of universal driving device assembled sectional view two for the utility model relates to.

Among the figure:

Universal driving device 100 inner shafts 1

Through hole 11 outer semiaxis 2

Through hole 21 semiaxis Connection Blocks 3

Cross axle bed 4 in the axis hole 31

Hollow-out parts 41 through holes 42

Outer cross axle bed 5 hollow-out parts 51

Through hole 52

Adapter shaft 61 screw rods 62

Nut 63 first needle roller groups 71

The second needle roller group, 72 first shaft-cups 81

Second shaft-cup, 82 third axles lid 83

The 4th shaft-cup 84 O type circles 9

The specific embodiment

In order further to explain the technical scheme of the utility model, come the utility model is set forth in detail through specific embodiment below.

Extremely shown in Figure 5 like Fig. 1; A kind of universal driving device 100 that the utility model relates to; Comprise inner shaft 1, outer semiaxis 2, semiaxis Connection Block 3, interior cross axle bed 4 and outer cross axle bed 5; The structure of these semiaxis Connection Block 3 inside and outside both sides is the symmetry shape setting, and this universal driving device is specially double cruciform shaft mechanism, and deflection angle can reach 35 °.

The inside and outside both sides of this semiaxis Connection Block 3 are respectively equipped with two axis holes 31, promptly have four axis holes 31 altogether, and the axis of these four axis holes 31 is all along horizontally set; Should form hollow-out parts 41 in interior cross axle bed 4 middle parts, and all be formed with axle journal, rotatable respectively this semiaxis Connection Block 3 inboard two axis holes 31 of being located at of this two axle journal in both lateral sides; Should form hollow-out parts 51 in outer cross axle bed 5 middle parts, and all be formed with axle journal, rotatable respectively two axis holes 31 of being located at these semiaxis Connection Block 3 outsides of this two axle journal in both lateral sides.

Should all vertically be formed with through

hole

42,11 with inner shaft 1 by interior cross axle bed 4; This inner shaft 1 makes inner shaft 1 through hole 11 align with interior cross axle bed 4 through holes 42 through the hollow-out parts 41 of cross axle bed 4 in this, locatees through two nuts 63 that are installed with adapter shaft 61 in inner shaft 1 through hole 11, connect the screw rod 62 of adapter shaft 61 and are screwed onto screw rod 62 two ends respectively then; Promptly realized to realize between inner shaft 1 and the interior cross axle bed 4 vertically being that axle rotates.

Likewise; Should all vertically be formed with through

hole

52,21 with outer semiaxis 2 by outer cross axle bed 5; Should outer semiaxis 2 hollow-out parts 51 through this outer cross axle bed 5 outer semiaxis 2 through holes 21 are alignd with outer cross axle bed 5 through holes 52, two nuts 63 that are installed with the screw rod 62 of the interior adapter shaft 61 of 2 through holes 21 of semiaxis outside, perforation adapter shaft 61 through then and are screwed onto screw rod 62 two ends are respectively located; Promptly realized to realize between outer semiaxis 2 and the outer cross axle bed 5 vertically being that axle rotates.

Preferably, in order to make rotation each other more smooth and easy, the through

hole

42,52 of this outer cross axle bed 5 and interior cross axle bed 4 and its also are provided with the first needle roller group 71 separately between in-to-in adapter shaft 61; In like manner, this outer cross axle bed 5 also is provided with the second needle roller group 72 between corresponding semiaxis Connection Block 3 upper shaft holes 31 of institute with the axle journal of interior cross axle bed 4 with it separately.

In addition; Third axles lid the 83 and the 4th shaft-cup 84 that this universal driving device 100 also comprises first shaft-cup 81 and second shaft-cup 82 that is positioned at semiaxis Connection Block 3 outsides and is positioned at semiaxis Connection Block 3 inboards; This first shaft-cup 81, second shaft-cup 82, third axle lid the 83 and the 4th shaft-cup 84 all are fixed on the semiaxis Connection Block 3; Axis hole 31 on this semiaxis Connection Block 3 is respectively formed on first shaft-cup 81, second shaft-cup 82, third axle lid the 83 and the 4th shaft-cup 84; Can improve assembling capacity through this first shaft-cup 81, second shaft-cup 82, third axle lid the 83 and the 4th shaft-cup 84, this first shaft-cup 81, second shaft-cup 82, third axle lid the 83 and the 4th shaft-cup 84 all are to be fixed on the semiaxis Connection Block 3 through bolt.In addition, all also be provided with O type circle 9 between above-mentioned nut 63 and interior cross axle bed 4 and the outer cross axle bed 5, likewise, inner shaft 1 and outside semiaxis 2 respectively and interior cross axle bed 4 and outside be provided with O type circle 9 between the cross axle bed 5.

Like this, in the utility model, can realize between its inner shaft 1 and the interior cross axle bed 4, can realize between interior cross axle bed 4 and the semiaxis Connection Block 3 laterally being that axle rotates vertically to be that axle rotates; Likewise, can realize between its outer semiaxis 2 and the outer cross axle bed 5, can realize between outer cross axle bed 5 and the semiaxis Connection Block 3 laterally serve as spool to be rotation vertically to be that axle rotates; Whole universal driving device 100 like this can transmit bigger moment, also is not easy to take place stress concentration simultaneously, can reduce fracture probability and finally reach the effect that increases the service life.

Product form of the foregoing description and graphic and non-limiting the utility model and style, the those of ordinary skill of any affiliated technical field all should be regarded as not breaking away from the patent category of the utility model to its suitable variation or modification of doing.

Claims

1. a universal driving device is characterized in that, comprises inner shaft, outer semiaxis, semiaxis Connection Block, interior cross axle bed and outer cross axle bed, and the inside and outside both sides of this semiaxis Connection Block are respectively equipped with two axis all along the axis hole of horizontally set; Should form hollow-out parts in interior cross axle bed middle part, and all be formed with the rotatable respectively axle journal of being located at inboard two axis holes of this semiaxis Connection Block in both lateral sides; Should form hollow-out parts in outer cross axle bed middle part, and all be formed with the rotatable respectively axle journal of being located at these semiaxis Connection Block outside two axis holes in both lateral sides; Should in cross axle bed and inner shaft all vertically be formed with through hole, the hollow-out parts of this inner shaft through cross axle bed in this alignd afterwards the inner shaft through hole and located through two nuts that are installed with the screw rod of adapter shaft in the inner shaft through hole, perforation adapter shaft and are screwed onto the screw rod two ends respectively with interior cross axle bed through hole; Should outer cross axle bed all vertically be formed with through hole with outer semiaxis, the hollow-out parts of this outer semiaxis through this outer cross axle bed alignd afterwards outer semiaxis through hole and located through two nuts that are installed with the screw rod of adapter shaft in the semiaxis through hole outside, perforation adapter shaft and are screwed onto the screw rod two ends respectively with outer cross axle bed through hole.

2. a kind of universal driving device as claimed in claim 1 is characterized in that, the through hole of this outer cross axle bed and interior cross axle bed and its also are provided with the first needle roller group separately between in-to-in adapter shaft.

3. a kind of universal driving device as claimed in claim 1 is characterized in that, this outer cross axle bed also is provided with the second needle roller group between the corresponding semiaxis Connection Block upper shaft hole of institute with the axle journal of interior cross axle bed with it separately.

4. a kind of universal driving device as claimed in claim 1; It is characterized in that; This universal driving device also comprises first shaft-cup and second shaft-cup that is positioned at the semiaxis Connection Block outside and is positioned at semiaxis Connection Block inboard third axle lid and the 4th shaft-cup; This first shaft-cup, second shaft-cup, third axle lid and the 4th shaft-cup all are fixed on the semiaxis Connection Block, and the axis hole on this semiaxis Connection Block is respectively formed on first shaft-cup, second shaft-cup, third axle lid and the 4th shaft-cup.