CN220396313U - Main transmission connecting shaft - Google Patents

Abstract

The utility model provides a main transmission connecting shaft, which comprises a transmission shaft body, a pair of cross shafts and a pair of universal joint forks, wherein the transmission shaft body comprises a shaft tube and a telescopic sleeve, one fixed end of the shaft tube is provided with a spline shaft, the shaft tube is movably connected with the telescopic sleeve through the spline shaft, the opposite ends of the shaft tube and the telescopic sleeve are respectively provided with a connecting rod, one end of the connecting rod is respectively provided with a first gear ring and a second gear ring, a fixed groove is arranged between the first gear ring and the second gear ring, the opposite ends of the shaft tube and the telescopic sleeve are respectively connected with a connecting shaft fork through the connecting rod, one end of the connecting shaft fork is provided with a tooth groove, and the tooth groove is respectively meshed with the first gear ring and the second gear ring. The outer ends of the shaft tube and the telescopic sleeve are provided with the connecting shaft fork, when the transmission connecting shaft is disassembled, the shaft tube and the telescopic sleeve can be disassembled through the connecting shaft fork, the weight of the transmission connecting shaft is lightened, the cross shaft and the universal joint fork are conveniently disassembled, and the replacement efficiency of the transmission connecting shaft is greatly improved.

Description

Main transmission connecting shaft

Technical Field

The utility model belongs to the technical field of main transmission connecting shafts, and particularly relates to a main transmission connecting shaft.

Background

The transmission connecting shaft is an important part for transmitting power in the automobile transmission system, and has the function of transmitting the power of an engine to wheels together with a gearbox and a drive axle so as to enable the automobile to generate driving force, and the transmission connecting shaft consists of a shaft tube, a telescopic sleeve and a universal joint. The telescopic sleeve can automatically adjust the change of the distance between the transmission and the drive axle. The universal joint ensures the change of the included angle between the output shaft of the speed changer and the input shaft of the driving axle and realizes the equiangular speed transmission of the two shafts. However, the existing shaft tube and the telescopic sleeve are generally installed and connected with the universal joint directly through the cross shaft, and the cross shaft is inconvenient to detach due to the fact that the overall weight of the shaft tube and the telescopic sleeve is large, and the shaft tube and the telescopic sleeve are inconvenient to replace and maintain after the transmission shaft is used for a long time.

Accordingly, the present utility model has been made in view of the above circumstances, and an object of the present utility model is to provide a main transmission shaft which has a more practical value.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a main transmission connecting shaft, which is realized by the following specific technical means:

the utility model provides a main drive connecting axle, includes transmission shaft body, a pair of cross axle and a pair of universal joint fork, the transmission shaft body includes central siphon and flexible cover, the inside fixed one end of central siphon is equipped with the integral key shaft, just the central siphon passes through the flexible cover swing joint of integral key shaft, the relative one end of central siphon and flexible cover is equipped with the connecting rod respectively, the one end of connecting rod is equipped with first ring gear and second ring gear respectively, just be equipped with the fixed slot between first ring gear and the second ring gear, the relative one end of central siphon and flexible cover is connected with the connection shaft fork through the connecting rod respectively, the tooth's socket has been seted up to the one end of connecting shaft fork, just the tooth's socket respectively with first ring gear and second ring gear intermeshing, threaded hole has been seted up all running through to the both sides of tooth's socket, the internal thread connection of screw hole has the threaded rod, the one end rotation of threaded rod is connected with fixed fixture block, and a pair of fixed fixture block on the threaded rod respectively with the both sides block of fixed slot.

Further, a pair of the upper and lower ends of one side of the connecting shaft fork are respectively provided with a first connecting hole, and the pair of the first connecting holes are respectively fixedly connected with the upper and lower ends of the cross shaft.

Further, the left and right ends of one side of the universal joint fork are respectively provided with a second connecting hole, and a pair of second connecting holes are respectively fixedly connected with the left and right ends of the cross shaft.

Furthermore, the connecting shaft fork is provided with a clamping groove in a penetrating manner at the top end of the tooth groove, and the inside of the clamping groove is connected with a locking bolt.

Further, a sliding spline groove is formed in one side of the telescopic sleeve, and the sliding spline groove is in sliding connection with the spline shaft.

Compared with the prior art, the utility model has the following beneficial effects:

according to the main transmission connecting shaft, the connecting shaft fork is arranged at the outer ends of the shaft tube and the telescopic sleeve, the first gear ring and the second gear ring on the connecting rod are meshed with each other through the tooth grooves on the connecting shaft fork and are clamped and fixed through the locking bolts, meanwhile, the fixing clamping blocks are controlled by the threaded rods to limit and fix the fixing grooves, connection of the connecting shaft fork and the transmission connecting shaft is achieved, finally, the connecting shaft fork and the universal joint fork are connected with the cross shaft respectively, installation of the transmission connecting shaft is achieved, when the transmission connecting shaft is detached, the shaft tube and the telescopic sleeve can be detached through the connecting shaft fork, the weight of the transmission connecting shaft is reduced, and therefore the cross shaft and the universal joint fork are convenient to detach, and the replacement efficiency of the transmission connecting shaft is greatly improved.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic perspective exploded view of the present utility model.

Fig. 3 is an enlarged schematic view of the structure a of fig. 2 in accordance with the present utility model.

Fig. 4 is a front plan sectional view of the connecting fork of the present utility model.

In the figure, the correspondence between the component names and the drawing numbers is:

1. a shaft tube; 101. a spline shaft; 2. a telescopic sleeve; 3. a connecting rod; 301. a first ring gear; 302. a second ring gear; 303. a fixing groove; 4. connecting shaft forks; 401. tooth slots; 402. a clamping groove; 403. a locking bolt; 404. a first connection hole; 405. a threaded hole; 5. a threaded rod; 501. fixing the clamping block; 6. a cross shaft; 7. a universal joint fork; 701. and a second connection hole.

Detailed Description

Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.

In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "connected," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Examples:

as shown in fig. 1, fig. 2, fig. 3 and fig. 4:

the utility model provides a main transmission connecting shaft, which comprises a transmission shaft body, a pair of cross shafts 6 and a pair of universal joint forks 7, wherein the transmission shaft body comprises a shaft tube 1 and a telescopic sleeve 2, one fixed end of the shaft tube 1 is provided with a spline shaft 101, the shaft tube 1 is movably connected through the telescopic sleeve 2 of the spline shaft 101, the opposite ends of the shaft tube 1 and the telescopic sleeve 2 are respectively provided with a connecting rod 3, one end of the connecting rod 3 is respectively provided with a first gear ring 301 and a second gear ring 302, a fixed groove 303 is arranged between the first gear ring 301 and the second gear ring 302, the opposite ends of the shaft tube 1 and the telescopic sleeve 2 are respectively connected with a connecting shaft fork 4 through the connecting rod 3, one end of the connecting shaft fork 4 is provided with a tooth socket 401, the tooth socket 401 is respectively meshed with the first gear ring 301 and the second gear ring 302, two sides of the tooth socket 401 are respectively penetrated and are provided with threaded holes 405, the internal threads of the threaded holes 405 are connected with threaded rods 5, one ends of the threaded rods 5 are rotatably connected with fixed clamping blocks 501, and the fixed clamping blocks 501 on the threaded rods 5 are respectively clamped with two sides of the fixed grooves 303.

The upper end and the lower end of one side of the pair of connecting shaft forks 4 are respectively provided with a first connecting hole 404, the pair of first connecting holes 404 are respectively fixedly connected with the upper end and the lower end of the cross shaft 6, and the connection between the connecting shaft forks 4 and the cross shaft 6 is conveniently realized through the arrangement of the first connecting holes 404.

The two ends of the universal joint fork 7 are respectively provided with a second connecting hole 701, and the pair of second connecting holes 701 are respectively fixedly connected with the two ends of the cross shaft 6, and the connection between the universal joint fork 7 and the cross shaft 6 is facilitated through the arrangement of the second connecting holes 701.

The connecting shaft fork 4 is provided with a clamping groove 402 in a penetrating manner at the top end of the tooth groove 401, and a locking bolt 403 is connected to the inside of the clamping groove 402, so that the tooth groove 401 and the connecting rod 3 are conveniently fixed through the arrangement of the clamping groove 402.

Wherein, slide spline groove has been seted up to one side of flexible cover 2, and slide spline groove and integral key shaft 101 sliding connection.

The working principle of the embodiment is as follows: when the transmission connecting shaft is installed, the connecting shaft fork 4 is arranged at the outer ends of the shaft tube 1 and the telescopic sleeve 2, the tooth grooves 401 on the connecting shaft fork 4 are meshed with the first tooth ring 301 and the second tooth ring 302 on the connecting rod 3, the first tooth ring and the second tooth ring are clamped and fixed through the locking bolts 403, meanwhile, the fixed clamping blocks 501 are controlled by the threaded rods 5 to limit and fix the fixed grooves 303, connection of the connecting shaft fork 4 and the transmission connecting shaft is achieved, and finally the connection of the connecting shaft fork 4 and the universal joint fork 7 with the cross shaft 6 is achieved, so that the transmission connecting shaft is installed, when the transmission connecting shaft is disassembled, the shaft tube 1 and the telescopic sleeve 2 can be disassembled through the connecting shaft fork 4, the weight of the transmission connecting shaft is lightened, and therefore the cross shaft 6 and the universal joint fork 7 are conveniently disassembled, and the replacement efficiency of the transmission connecting shaft is greatly improved.

The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (5)

1. The utility model provides a main drive connecting axle, includes transmission shaft body, a pair of cross (6) and a pair of universal joint fork (7), its characterized in that: the transmission shaft body comprises a shaft tube (1) and a telescopic sleeve (2), wherein a spline shaft (101) is arranged at one inner fixed end of the shaft tube (1), the shaft tube (1) is movably connected with the telescopic sleeve (2) through the spline shaft (101), a connecting rod (3) is arranged at the opposite ends of the shaft tube (1) and the telescopic sleeve (2) respectively, a first gear ring (301) and a second gear ring (302) are arranged at one end of the connecting rod (3) respectively, a fixed groove (303) is arranged between the first gear ring (301) and the second gear ring (302), a connecting shaft fork (4) is connected at the opposite ends of the shaft tube (1) and the telescopic sleeve (2) respectively through the connecting rod (3), tooth grooves (401) are formed in one end of the connecting shaft fork (4) and are respectively meshed with the first gear ring (301) and the second gear ring (302), threaded holes (405) are formed in penetrating through two sides of the connecting rod (3), threaded rods (5) are connected with one inner threads of the threaded rods (405) respectively, one ends of the threaded rods (5) are connected with one ends of the threaded rods (501) in a rotating mode, and a pair of clamping blocks (501) are fixedly clamped with the threaded rods (303) respectively.

2. The main drive coupling as defined in claim 1, wherein: the upper end and the lower end of one side of the pair of connecting shaft forks (4) are respectively provided with a first connecting hole (404), and the pair of first connecting holes (404) are respectively fixedly connected with the upper end and the lower end of the cross shaft (6).

3. The main drive coupling as defined in claim 1, wherein: the left end and the right end of one side of the universal joint fork (7) are respectively provided with a second connecting hole (701), and a pair of the second connecting holes (701) are respectively fixedly connected with the left end and the right end of the cross shaft (6).

4. The main drive coupling as defined in claim 1, wherein: the connecting shaft fork (4) is provided with a clamping groove (402) in a penetrating mode at the top end position of the tooth groove (401), and a locking bolt (403) is connected inside the clamping groove (402).

5. The main drive coupling as defined in claim 1, wherein: a sliding spline groove is formed in one side of the telescopic sleeve (2), and the sliding spline groove is connected with the spline shaft (101) in a sliding mode.