CN221145077U

CN221145077U - Telescopic cross shaft

Info

Publication number: CN221145077U
Application number: CN202323278378.1U
Authority: CN
Inventors: 倪伟明; 汪爱兴
Original assignee: Hangzhou Rudong Auto Parts Co ltd
Current assignee: Hangzhou Rudong Auto Parts Co ltd
Priority date: 2023-12-01
Filing date: 2023-12-01
Publication date: 2024-06-14
Anticipated expiration: 2033-12-01

Abstract

The utility model discloses a telescopic cross shaft, and belongs to the technical field of automobile accessories. Including the fixed block, be provided with 4 erection columns around the axial lead equidistance array of fixed block on the periphery wall of fixed block, the erection tank has been seted up along the extending direction of erection column to the one end that the fixed block was kept away from to the erection column, the slip of extending direction along the erection column in the erection tank is provided with the sub-axle, the one end of sub-axle extends to the outside of fixed block, the mounting tank internal rotation is provided with the screw rod, the axial of screw rod is the same with the axial of sub-axle, the one end of screw rod extends to the sub-axle inside and with sub-axle threaded connection, be provided with on the fixed block and be used for driving screw rod pivoted actuating mechanism. According to the utility model, the sub-shaft on the cross shaft is set to be in a form of adjustable length, so that the cross shaft can be suitable for various vehicle types, and the application range of the cross shaft is enlarged.

Description

Telescopic cross shaft

Technical Field

The utility model relates to a telescopic cross shaft, and belongs to the technical field of automobile accessories.

Background

The cross shaft is also called a cross joint, namely a universal joint, is a machine part for realizing variable-angle power transmission, is used for changing the position of a transmission axis direction, is a universal transmission device component of an automobile driving system, and is widely applied to a differential mechanism of an automobile.

However, in the prior art, the length of the connecting shaft on the cross shaft is not adjustable, the cross shaft cannot be suitable for various vehicle types, and the cross shaft is special and has a small application range.

There is therefore a need to propose a new solution to this problem.

Disclosure of utility model

The technical problems to be solved by the utility model are as follows: the telescopic cross shaft solves the problems that in the prior art, the length of a connecting shaft on the cross shaft is not adjustable, the telescopic cross shaft cannot be suitable for various vehicle types, and the telescopic cross shaft is special only and has a small application range.

The technical problems to be solved by the utility model are realized by adopting the following technical scheme: including the fixed block, be provided with 4 erection columns around the axial lead equidistance array of fixed block on the periphery wall of fixed block, the erection tank has been seted up along the extending direction of erection column to the one end that the fixed block was kept away from to the erection column, the slip of extending direction along the erection column in the erection tank is provided with the sub-axle, the one end of sub-axle extends to the outside of fixed block, the mounting tank internal rotation is provided with the screw rod, the axial of screw rod is the same with the axial of sub-axle, the one end of screw rod extends to the sub-axle inside and with sub-axle threaded connection, be provided with on the fixed block and be used for driving screw rod pivoted actuating mechanism.

Through adopting above-mentioned technical scheme, when the length of the connecting axle on the needs adjustment cross axle, start drive structure to make the screw rod rotate around self axial lead, at this moment, the rotation of screw rod can drive the sub-axle and slide in the mounting groove, until sliding to required length, repeat the step, adjust 4 sub-axles to required length and can accomplish the setting of whole cross axle. The sub-shaft on the cross shaft is set to be in a form of adjustable length, so that the cross shaft can be suitable for various vehicle types, and the application range of the cross shaft is enlarged.

The utility model is further provided with: the driving mechanism comprises a rotating shaft, a cavity is formed in the fixing block, the rotating shaft is rotatably arranged in the cavity, a first bevel gear is coaxially and fixedly connected to the rotating shaft, and a second bevel gear meshed with the first bevel gear is coaxially and fixedly connected to one end of the screw rod, which is far away from the ion shaft, extends into the cavity.

Through adopting above-mentioned technical scheme, when needs drive screw rod rotates, the rotation of rotation axis around self, the axis of rotation can drive the first bevel gear of rotation along with the axis of rotation axis together, through the steering action of meshing between bevel gear one and the bevel gear two, the rotation force can be transmitted to bevel gear two, bevel gear two can rotate around self axial, bevel gear two can drive the screw rod and rotate around self axis to can drive the rotor shaft and slide in the mounting groove. The two bevel gears are simultaneously driven to rotate by one bevel gear, so that the 4 sub-shafts are simultaneously driven to slide in the same direction, the time for adjusting the length of the sub-shafts outside the mounting column is saved, the efficiency is improved, and the labor intensity of workers is also reduced.

The utility model is further provided with: a fixing groove is formed in the outer wall of the fixing block, a rotating plate is rotationally arranged in the fixing groove, and one end of the rotating shaft extends into the fixing groove and is fixedly connected with the rotating plate.

Through adopting above-mentioned technical scheme, rotate the pivoted board, can drive the axis of rotation and rotate to drive bevel gear one and rotate, increased the stress point of rotating the axis of rotation, make the workman rotate the axis of rotation more laborsaving, reduced workman's intensity of labour.

The utility model is further provided with: the surface of the rotating plate far away from the rotating shaft does not exceed the outer surface of the fixed block.

Through adopting above-mentioned technical scheme, the surface of rotor plate is not more than the surface of fixed block to make the cross axle when using, the rotor plate can not contact with external part, can not bump, guaranteed the security of cross axle when using.

The utility model is further provided with: one surface of the rotating plate far away from the rotating shaft is provided with an inner hexagonal groove.

Through adopting above-mentioned technical scheme, when needs rotate the rotor plate, utilize allen key to add in the hexagon socket head cap nut groove, rotate allen key can rotate the rotor plate, under the prerequisite that the rotor plate does not surpass the fixed block surface, utilize the structure of hexagon socket head cap nut for under the condition in little space, the workman can be easier rotate the rotor plate, and then reduced workman's intensity of labour.

The utility model is further provided with: a plurality of sliding grooves are formed in the inner peripheral wall of the mounting groove along the sliding direction of the sub-shaft, sliding blocks are arranged in the sliding grooves along the sliding direction of the sub-shaft in a sliding mode, and the sliding blocks are fixedly connected with the sub-shaft.

Through adopting above-mentioned technical scheme, when the sub-axle slides in the mounting groove, slider and spout butt each other, and the slider also follows the sub-axle and slides in the spout simultaneously for the sub-axle only takes place to slide, and can not take place to rotate on the screw rod in the mounting groove, thereby has improved stability of sub-axle when sliding.

The utility model is further provided with: one end of the fixed block, which is opposite to the rotating plate, is provided with a locking bolt in a sliding manner, the axial direction of the locking bolt is the same as that of the rotating shaft, and the locking bolt is in threaded connection with the rotating shaft.

Through adopting above-mentioned technical scheme, after the length adjustment of sub-axle reaches required length, stops rotating the axis of rotation this moment, later, inserts the lock bolt to the direction of sub-axle, rotates the lock bolt for lock bolt and axis of rotation threaded connection, thereby can be with axis of rotation and fixed block fixed connection, make the axis of rotation can not take place to rotate when the cross axle uses, and then improved the stability that the sub-axle set up, guaranteed the stability of cross axle.

The beneficial effects of the utility model are as follows:

1. When the length of the connecting shaft on the cross shaft needs to be adjusted, the driving structure is started to enable the screw rod to rotate around the axis of the screw rod, at the moment, the rotation of the screw rod drives the sub-shaft to slide in the mounting groove until the sub-shaft slides to the required length, the steps are repeated, and the 4 sub-shafts are adjusted to the required length, so that the whole cross shaft can be arranged. The sub-shaft on the cross shaft is set to be in a form of adjustable length, so that the cross shaft can be suitable for various vehicle types, and the application range of the cross shaft is enlarged. .

2. The two bevel gears are simultaneously driven to rotate by one bevel gear, so that the 4 sub-shafts are simultaneously driven to slide in the same direction, the time for adjusting the length of the sub-shafts outside the mounting column is saved, the efficiency is improved, and the labor intensity of workers is also reduced. .

3. When the sub-shaft slides in the mounting groove, the sliding block is mutually abutted with the sliding groove, and meanwhile, the sliding block also slides in the sliding groove along with the sub-shaft, so that the sub-shaft only slides relative to the screw rod in the mounting groove and cannot rotate on the screw rod, and the stability of the sub-shaft during sliding is improved.

Drawings

FIG. 1 is a schematic view of a cross-shaft mounting structure of the present utility model.

Fig. 2 is a partial cross-sectional view of fig. 1 in accordance with the present utility model.

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

Fig. 4 is an enlarged schematic view of fig. 2B in accordance with the present utility model.

In the figure:

1. A fixed block; 2. a mounting column; 3. a mounting groove; 4. a sub-shaft; 5. a screw; 6. a rotating shaft; 7. a cavity; 8. bevel gears I; 9. bevel gears II; 10. a fixing groove; 11. a rotating plate; 12. an inner hexagonal groove; 13. a chute; 14. a slide block; 15. a locking bolt.

Detailed Description

The utility model will be further described with reference to the following detailed drawings, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1 and fig. 2, the telescopic cross shaft disclosed by the application comprises a fixed block 1, 4 mounting columns 2 are fixedly connected to the peripheral wall of the fixed block 1 in an array mode around the axis of the fixed block 1 at equal intervals, a mounting groove 3 is formed in one end, far away from the fixed block 1, of each mounting column 2 along the extending direction of each mounting column 2, a sub-shaft 4 is slidably arranged in each mounting groove 3 along the extending direction of each mounting column 2, one end of each sub-shaft 4 extends to the outer side of the corresponding fixed block 1, a screw 5 is rotationally arranged in each mounting groove 3, the axial direction of each screw 5 is identical to the axial direction of each sub-shaft 4, one end of each screw 5 extends to the inside of each sub-shaft 4 and is in threaded connection with the corresponding sub-shaft 4, and a driving mechanism for driving the screw 5 to rotate is arranged on the fixed block 1.

When the length of the mounting column 2 is required to be leaked out by the sub-shaft 4 on the cross shaft, at the moment, the driving structure is started to enable the screw rod 5 to rotate around the axis line of the screw rod 5, the rotation of the screw rod 5 drives the sub-shaft 4 to slide in the mounting groove 3 along the extending direction of the screw rod 5, the screw rod 5 stops rotating until the screw rod slides to the required length, the steps are repeated, and the setting of the whole cross shaft can be completed by adjusting the 4 sub-shafts 4 to the required length. The sub-shaft 4 on the cross shaft is set to be in a form of adjustable length, so that the cross shaft can be suitable for various vehicle types, and the application range of the cross shaft is enlarged.

As shown in fig. 2, the driving mechanism comprises a rotation shaft 6, a cavity 7 is formed in the fixing block 1, the rotation shaft 6 is rotatably arranged in the cavity 7, a fixing groove 10 is formed in the outer wall of the fixing block 1, a rotation plate 11 is rotatably arranged in the fixing groove 10, and the bottom surface of the rotation plate 11 is attached to the bottom wall of the fixing groove 10. One end of the rotating shaft 6 is abutted against the inner wall of the cavity 7 and can rotate on the inner wall, and the other end of the rotating shaft extends into the fixed groove 10 and is fixedly connected with the lower surface of the rotating plate 11. The part of the rotating shaft 6 positioned in the cavity 7 is coaxially and fixedly connected with a first bevel gear 8, and one end of the screw 5 away from the ion shaft 4 extends into the cavity 7 and is coaxially and fixedly connected with a second bevel gear 9 meshed with the first bevel gear 8.

When the screw 5 is required to be driven to rotate, the rotating plate 11 can drive the rotating shaft 6 to rotate around the self axis, the rotating shaft 6 can drive the bevel gear I8 to rotate around the axis of the rotating shaft 6 along with the rotating shaft 6, through the steering function of meshing between the bevel gear I8 and the bevel gear II 9, the rotating force can be transmitted to the bevel gear II 9, the bevel gear II 9 can rotate around the self axis, and the bevel gear II 9 can drive the screw 5 to rotate around the self axis, so that the sub-shaft 4 can be driven to slide in the mounting groove 3. The first bevel gears 8 are utilized to drive the second bevel gears 9 to rotate at the same time, so that the first sub-shafts 4 are driven to slide in the same direction at the same time, the step of adjusting the sub-shafts 4 one by one is omitted, the time for adjusting the length of the sub-shafts 4 outside the mounting column 2 is saved, the efficiency is improved, and the labor intensity of workers is also reduced. Wherein, utilize rotation board 11 to rotate axis of rotation 6, increased the stress point of rotation axis of rotation 6 for the workman rotates axis of rotation 6 more laborsaving, has reduced workman's intensity of labour.

As shown in fig. 2, the surface of the rotation plate 11 of the rotation shaft 6 away from the rotation shaft 6 does not exceed the outer surface of the fixed block 1. An inner hexagonal groove 12 is formed in one surface of the rotating plate 11 away from the rotating shaft 6.

When the rotating plate 11 needs to be rotated, the inner hexagonal wrench is added into the inner hexagonal groove 12, the rotating plate 11 can be rotated by rotating the inner hexagonal wrench, and under the premise that the rotating plate 11 does not exceed the outer surface of the fixed block 1, the rotating plate 11 can be rotated more easily by workers under the condition of small space by utilizing the inner hexagonal structure, so that the labor intensity of the workers is reduced. The outer surface of the rotating plate 11 does not exceed the outer surface of the fixed block 1, so that the rotating plate 11 cannot contact with external parts or collide when the cross shaft is used, and the safety of the cross shaft is ensured when the cross shaft is used.

As shown in fig. 2 and 3, a plurality of sliding grooves 13 are formed in the inner peripheral wall of the mounting groove 3 along the sliding direction of the sub-shaft 4, sliding blocks 14 are arranged in the sliding grooves 13 in a sliding manner along the sliding direction of the sub-shaft 4, and the sliding blocks 14 are fixedly connected with the sub-shaft 4.

When the sub-shaft 4 slides in the mounting groove 3, the sliding block 14 is mutually abutted with the sliding groove 13, and meanwhile, the sliding block 14 also slides in the sliding groove 13 along with the sub-shaft 4, so that the sub-shaft 4 only slides relative to the screw 5 in the mounting groove 3 and cannot rotate on the screw 5, and the stability of the sub-shaft 4 during sliding is improved.

As shown in fig. 4, the opposite end of the fixed block 1 to the rotating plate 11 is slidably provided with a lock bolt 15, the axial direction of the lock bolt 15 is the same as the axial direction of the rotating shaft 6, and the lock bolt 15 is screwed with the rotating shaft 6.

After the length of the sub-shaft 4 is adjusted to the required length, the rotation of the rotating shaft 6 is stopped at this time, then, the locking bolt 15 is inserted in the direction of the sub-shaft 4, and the locking bolt 15 is rotated, so that the locking bolt 15 is in threaded connection with the rotating shaft 6, and the rotating shaft 6 can be fixedly connected with the fixed block 1, so that the rotating shaft 6 cannot rotate when the cross shaft is used, the stability of the setting of the sub-shaft 4 is improved, and the stability of the cross shaft when in use is ensured.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, but is capable of various changes and modifications without departing from the spirit and scope of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A telescopic cross axle, comprising a fixed block (1), characterized in that: the utility model discloses a motor vehicle fixing device, including fixed block (1), mounting groove (3) are offered around the axial lead equidistance array of fixed block (1) on the periphery wall, mounting groove (3) have been offered along the extending direction of mounting post (2) to the one end that fixed block (1) was kept away from to mounting post (2), along the extending direction slip of mounting post (2) in mounting groove (3) be provided with sub-axle (4), the one end of sub-axle (4) extends to the outside of fixed block (1), the rotation of mounting groove (3) is provided with screw rod (5), the axial of screw rod (5) is the same with the axial of sub-axle (4), the one end of screw rod (5) extends to sub-axle (4) inside and with sub-axle (4) threaded connection, be provided with on fixed block (1) and be used for driving screw rod (5) pivoted actuating mechanism.

2. A telescopic cross as claimed in claim 1, wherein: the driving mechanism comprises a rotating shaft (6), a cavity (7) is formed in the fixed block (1), the rotating shaft (6) is rotatably arranged in the cavity (7), a first bevel gear (8) is coaxially and fixedly connected to the rotating shaft (6), and a second bevel gear (9) meshed with the first bevel gear (8) is coaxially and fixedly connected to one end of the screw (5) far away from the ion shaft (4) and extends into the cavity (7).

3. A telescopic cross as claimed in claim 2, wherein: the outer wall of the fixed block (1) is provided with a fixed groove (10), the fixed groove (10) is rotationally provided with a rotating plate (11), and one end of the rotating shaft (6) extends into the fixed groove (10) and is fixedly connected with the rotating plate (11).

4. A telescopic cross as claimed in claim 3, wherein: the surface of the rotating plate (11) far away from the rotating shaft (6) does not exceed the outer surface of the fixed block (1).

5. A telescopic cross as claimed in claim 4, wherein: one surface of the rotating plate (11) far away from the rotating shaft (6) is provided with an inner hexagonal groove (12).

6. A telescopic cross as claimed in claim 1, wherein: a plurality of sliding grooves (13) are formed in the inner peripheral wall of the mounting groove (3) along the sliding direction of the sub-shaft (4), sliding blocks (14) are arranged in the sliding grooves (13) along the sliding direction of the sub-shaft (4) in a sliding mode, and the sliding blocks (14) are fixedly connected with the sub-shaft (4).

7. A telescopic cross as claimed in claim 2, wherein: one end of the fixed block (1) opposite to the rotating plate (11) is slidably provided with a locking bolt (15), the axial direction of the locking bolt (15) is the same as the axial direction of the rotating shaft (6), and the locking bolt (15) is in threaded connection with the rotating shaft (6).