CN210550723U

CN210550723U - Assembly jig for parallel-tooth steering shaft and lock clamp

Info

Publication number: CN210550723U
Application number: CN201921617439.3U
Authority: CN
Inventors: 郑勇
Original assignee: Wuhan Jielong Electric Power Steering Co Ltd
Current assignee: Wuhan Jielong Electric Power Steering Co Ltd
Priority date: 2019-09-26
Filing date: 2019-09-26
Publication date: 2020-05-19
Anticipated expiration: 2029-09-26

Abstract

The utility model relates to an assembly jig of tooth steering spindle and lock card belongs to automobile parts assembly technical field. The assembly fixture comprises a base, angle adjusting devices, supporting rods and press-fitting heads, wherein the angle adjusting devices are fixedly mounted on the base through fixing bolts, the supporting rods are symmetrically mounted on the bases on two sides of the angle adjusting devices, the ends of the supporting rods are respectively provided with guide sliding rods, and the press-fitting heads are movably sleeved on the guide sliding rods. The assembly fixture is simple in structure, the assembly angle of the lock clamp and the tooth-combined steering shaft can be automatically adjusted in the assembly process by matching the adjusting push rod with the positioning plate, the labor intensity is effectively reduced, the working efficiency is improved, and the problems of low working efficiency and high labor intensity caused by manual assembly of the lock clamp and the tooth-combined steering shaft are solved.

Description

Assembly jig for parallel-tooth steering shaft and lock clamp

Technical Field

The utility model relates to an assembly jig of tooth steering spindle and lock card belongs to automobile parts assembly technical field.

Background

The existing automobiles are all provided with a steering wheel locking function to prevent the automobiles from being stolen, and the action principle is that a parallel teeth steering shaft of the automobiles is locked through a locking clamp, so that a steering column cannot be rotated any more, and the automobiles are prevented from being stolen by preventing the advancing direction of the automobiles from being changed.

The lock card is cylindricly, be provided with the draw-in groove on the circumference of lock card, be provided with the chamfer on the end inner wall of draw-in groove, and the tooth steering spindle is the reducing cylinder, and be provided with on the end circumference of tooth steering spindle and connect the tooth, and tooth steering spindle and lock card draw-in groove and connect the tooth and need form the reassembling after certain angle when the assembly, current rigging equipment is because the structure reason can not guarantee the lock card and the assembly angle between the tooth steering spindle, consequently can only the manual work use through vice and hammer cooperation and assemble, not only work efficiency is low, and there is the problem that intensity of labour is big.

Disclosure of Invention

The utility model aims to provide a: the assembling clamp for the parallel-tooth steering shaft and the lock clamp is simple in structure, and can automatically adjust the assembling angle of the lock clamp and the parallel-tooth steering shaft when the lock clamp and the parallel-tooth steering shaft are assembled so as to solve the problems of low working efficiency, high labor intensity and the like caused by manual assembling of the lock clamp and the parallel-tooth steering shaft.

The technical scheme of the utility model is that:

the utility model provides an assembly jig of tooth steering spindle and lock card, it comprises base, angle adjusting device, bracing piece and pressure equipment head, its characterized in that: an angle adjusting device is fixedly arranged on the base through a fixing bolt, supporting rods are symmetrically arranged on the bases on two sides of the angle adjusting device, guide sliding rods are respectively arranged at the ends of the supporting rods, and press-fitting heads are movably sleeved on the guide sliding rods.

The angle adjusting device consists of an assembly base and a positioning plate, the assembly base is cylindrical, and an assembly groove is axially arranged on the assembly base; the top of the assembly base is fixedly provided with a positioning plate through a fixing bolt.

The positioning plate is a C-shaped body, an adjusting push rod is movably arranged on one side of the positioning plate through a mounting seat and a spring, and one end of the adjusting push rod extends into an inner hole of the positioning plate; the other end of the adjusting push rod extends to the outer side of the mounting seat, and a limiting nut is arranged on the adjusting push rod extending to the outer side of the mounting seat.

The end of the adjusting push rod extending into the inner hole of the positioning plate is conical.

The diameter of the inner hole of the positioning plate is larger than the radial diameter of the assembling groove.

The included angle between the center line of the adjusting push rod and the center line of the positioning plate in the vertical direction is 8.6-9 degrees.

The press fitting head is composed of a guide plate, a connecting seat and a limiting pressure head, the guide plate is slidably mounted on a guide sliding rod through a guide sliding sleeve, the connecting seat is fixedly mounted at the center of the guide plate through a fixing bolt, and the connecting seat is connected with the press fitting machine through a connecting pin; and a limiting pressure head is fixedly arranged on the guide plate below the connecting seat in a corresponding manner with the positioning plate through a fixing bolt.

the connecting seat is shaped like ⊥.

The limiting pressure head is in a cross shape; the bottom of the limiting pressure head is provided with a workpiece recess; and a positioning ring is fixedly arranged on the concave port of the workpiece through a fixing bolt.

And the circumference of the inner hole of the positioning ring is uniformly provided with limiting teeth.

The beneficial effects of the utility model reside in that:

the assembling clamp for the parallel-tooth steering shaft and the lock clamp is simple in structure, the angle of the lock clamp can be automatically adjusted in the assembling process through the angle adjusting device, the assembling angle of the lock clamp and the parallel-tooth steering shaft is adjusted, the labor intensity is effectively reduced, the working efficiency is improved, and the problems of low working efficiency and high labor intensity caused by manual assembly of the lock clamp and the parallel-tooth steering shaft are solved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

3 FIG. 3 2 3 is 3 a 3 schematic 3 view 3 of 3 the 3 structure 3 in 3 the 3 direction 3 A 3- 3 A 3 of 3 FIG. 3 1 3; 3

FIG. 3 is a schematic structural view of the positioning plate of the present invention;

fig. 4 is a schematic top view of the angle adjusting apparatus of the present invention;

FIG. 5 is a schematic view of the structure in the direction B-B in FIG. 1;

fig. 6 is a schematic structural diagram of the limiting indenter of the present invention.

In the figure: 1. the base, 2, the bracing piece, 3, the assembly base, 4, the locating plate, 5, the adjustment push rod, 6, the holding ring, 7, the assembly recess, 8, the spacing platform of axial, 9, the mount pad, 10, the spring, 11, stop nut, 12, the direction slide bar, 13, the deflector, 14, the connecting seat, 15, spacing pressure head, 16, the direction sliding sleeve, 17, the work piece is concave, 18, spacing tooth, 19, the lock card, 20, and tooth steering spindle, 21, connecting pin, 22, the press.

Detailed Description

The assembling clamp for the parallel-tooth steering shaft and the lock clamp comprises a base 1, an angle adjusting device, a supporting rod 2 and a press-fitting head, wherein the angle adjusting device is fixedly arranged on the base 1 through a fixing bolt, the angle adjusting device comprises an assembling base 3 and a positioning plate 4, the positioning plate 4 is fixedly arranged on the top end surface of the assembling base 3, the positioning plate 4 is C-shaped, and when the assembling clamp works, the lock clamp 19 is radially positioned through an inner hole of the positioning plate 4; the assembling base 3 is provided with the assembling groove 7, the locking clip 19 and the parallel teeth steering shaft 20 can be conveniently installed in or taken out from the assembling base 3 and the positioning plate 4 through the opening of the assembling groove 7 and the positioning plate 4 before and after assembling, and the parallel teeth steering shaft is not required to be inserted into or taken out from the top end surfaces of the assembling base 3 and the positioning plate 4, so that the assembling and taking of the parallel teeth steering shaft 20 can be more convenient through the assembling groove 7 and the positioning plate 4; the diameter of the inner hole of the positioning plate 4 is larger than the radial diameter of the assembling groove 7, so that the top of the assembling base 3 is matched with the positioning plate 4 to form an axial limiting table 8, and during assembling, the position of the locking clamp 19 in the axial direction is limited through the axial limiting table 8.

An adjusting push rod 5 is movably mounted on one side of the positioning plate 4 through a mounting seat 9, a spring 10 is sleeved on the adjusting push rod 5 in the mounting seat 9, an included angle between the center line of the adjusting push rod 5 and the center line of the assembling recess 6 in the vertical direction is 8.6-9 degrees, one end of the adjusting push rod 5 extends to the inner side of the positioning plate 4, when the adjusting push rod works, the adjusting push rod 5 is pushed to move towards the inner side of the positioning plate 4 through the spring 10, and in the moving process of the adjusting push rod 5, the mounting seat 9 is matched with the positioning plate 4 to guide the adjusting push rod 5, so that the moving direction; the end of the adjusting push rod 5 extending to the inner side of the positioning plate 4 is conical, the other end of the adjusting push rod 5 extends to the outer side of the mounting seat 9, the adjusting push rod 5 extending to the outer side of the mounting seat 9 is provided with a limiting nut 11, and the length of the adjusting push rod 5 extending into the inner side of the positioning plate 4 is limited by the limiting nut 11.

The supporting rods 2 are symmetrically arranged on the base 1 at two sides of the angle adjusting device, the ends of the supporting rods 2 are respectively provided with a guide slide rod 12, the diameter of the guide slide rod 12 is smaller than that of the supporting rods 2, a press-fitting head is movably sleeved on the guide slide rod 12, and the press-fitting head cannot slide down when sliding to the bottom end of the guide slide rod 12 through the guide slide rod 12 because the diameter of the guide slide rod 12 is smaller than that of the supporting rods 2, so that the descending distance of the press-fitting head is limited, and the length of the tooth steering shaft 20 pressed into the lock clamp 19 is further limited; the press-fitting head consists of a guide plate 13, a connecting seat 14 and a limiting press head 15, wherein the guide plate 13 is slidably mounted on a guide slide rod 12 through a guide sliding sleeve 16, the connecting seat 14 is fixedly mounted at the center of the guide plate 13 through a fixing bolt, the connecting seat 14 is connected with a press machine 22 through a connecting pin 21, and the press machine drives the press-fitting head to move up and down on the guide slide rod 12 through the connecting seat 14 during work; a limiting pressure head 15 is fixedly arranged on a guide plate 13 below a connecting seat 14 in a corresponding manner with a positioning plate 4 through a fixing bolt, the limiting pressure head 15 is in a cross shape, a workpiece concave 17 is arranged at the center of the limiting pressure head 15, a positioning ring 6 is fixedly arranged on a port of the workpiece concave 17 through a fixing bolt, a limiting tooth 18 is arranged on the circumference of an inner hole of the positioning ring 6 in a corresponding manner with the parallel-tooth steering shaft 20, when the end head of the parallel-tooth steering shaft 20 is inserted into the workpiece concave 17, the limiting tooth 18 is meshed with a connecting tooth on the circumference of the end head of the parallel-tooth steering shaft 20, so that the parallel-tooth steering shaft 20 cannot be rotated again, and the circumferential position of.

Before the assembling clamp of the parallel teeth steering shaft and the lock clamp works, a press machine 22 is connected with a connecting seat 14 through a connecting pin 21; after the connection of the press 22 is completed, the parallel teeth steering shaft 20 is sleeved into the inner hole of the locking clamp 19 from the small-diameter end to the reducing part of the parallel teeth steering shaft 20; after the pinion steering shaft 20 is sleeved, the pinion steering shaft 20 is installed into the assembly base 3 and the positioning plate 4 from the opening of the positioning plate 4 and the assembly groove 7, and the locking clip 19 is installed into the positioning plate 4 after being aligned with the inner hole of the positioning plate 4, so that the radial position of the locking clip 19 is limited by the positioning plate 4.

When the assembling clamp of the parallel-tooth steering shaft and the lock clamp works, the press machine is started firstly, the end head of the parallel-tooth steering shaft 20 is aligned to the workpiece recess 17 of the limiting pressure head 15, the press machine 22 drives the press-mounting head to move downwards through the connecting seat 14, the parallel-tooth steering shaft 20 is gradually sleeved in the workpiece recess 17 of the limiting pressure head 15, the parallel-tooth steering shaft 20 is meshed with the limiting teeth 18 on the positioning ring 6 in the process that the parallel-tooth steering shaft 20 is sleeved in the workpiece recess 17 of the limiting pressure head 15, therefore, the parallel-tooth steering shaft 20 cannot rotate, and the central line of the connecting teeth of the parallel-tooth steering shaft 20 coincides with the vertical central line of the limiting pressure head 15.

After the connecting teeth at the end of the tooth steering shaft 20 are meshed with the limiting teeth 18 on the positioning ring 6, the tooth steering shaft 20 is pressed into the lock clamp 19 on one hand and drives the lock clamp 19 to descend on the other hand in the descending process of the press-fitting head driven by the press 22, the tooth steering shaft 20 descends under the action of the limiting pressure head 15 of the press-fitting head, and the cone-shaped end of the adjusting push rod 5 is gradually wedged into the clamping groove of the lock clamp 19 under the combined action of the chamfer of the inner wall of the clamping groove of the lock clamp 19 and the cone-shaped end of the adjusting push rod 5 and under the pushing action of the elasticity of the spring 10 on the adjusting push rod 5 in the descending process of the lock clamp 19, and the adjusting push rod 5 rotates circumferentially under the action of the adjusting push rod 5 in the descending process of the lock clamp 19 until the clamping groove of the lock clamp 19 is completely wedged with the cone-shaped end of the adjusting push rod 5, because the central line of the adjusting push rod 5 forms an included angle of 8., therefore, the included angle between the central line of the clamping groove of the locking clamp 19 wedged with the end of the adjusting push rod 5 and the vertical central line of the positioning plate 4 is 8.6-9 degrees, and simultaneously, because the central line of the connecting tooth of the parallel tooth steering shaft 20 is coincided with the vertical central line of the limiting pressure head 15, the limiting pressure head 15 and the positioning plate 4 are correspondingly arranged, the included angle between the central line of the clamping groove of the locking clamp 19 wedged with the end of the adjusting push rod 5 and the central line of the connecting tooth of the parallel tooth steering shaft 20 is 8.6-9 degrees, namely, the included angle between the clamping groove of the locking clamp 19 and the connecting tooth of the parallel tooth steering shaft 20 is 8.6-9 degrees.

After the clamping groove of the locking clamp 19 is wedged with the end of the adjusting push rod 5, the locking clamp 19 continues to move downwards to an axial limiting table 8 formed by the positioning plate 4 and the top end face of the assembly base 3 under the drive of the gear-combining steering shaft 20, the locking clamp 19 stops moving downwards under the action of the axial limiting table 8, the gear-combining steering shaft 20 continues to move downwards under the action of the press-fitting head, the guide plate 13 of the press-fitting head stops moving downwards under the action of the supporting rod 2 when moving downwards to the end of the supporting rod 2, therefore, the gear-combining steering shaft 20 stops being pressed into the locking clamp 19, and the press-fitting of the gear-combining steering shaft 20 into the locking clamp 19 is completed.

After the pressing of the parallel teeth steering shaft 20 into the locking clamp 19 is completed, the press machine 22 is reset upwards, the press-fitting head is reset upwards under the driving of the press machine 22 through the connecting seat 14, in the process of resetting upwards, the limiting pressure head 15 is separated from the end of the parallel teeth steering shaft 20, and after the upward resetting of the press-fitting head is completed, the pressed locking clamp 19 and the parallel teeth steering shaft 20 are taken out from the positioning plate 4 and the assembly base 3.

The assembling clamp for the parallel-tooth steering shaft and the lock clamp is simple in structure, the angle of the lock clamp 19 can be automatically adjusted in the assembling process by adjusting the matching of the push rod 5 and the positioning plate 4 so as to adjust the assembling angle of the lock clamp 19 and the parallel-tooth steering shaft 20, the labor intensity is effectively reduced, the working efficiency is improved, and the problems of low working efficiency and high labor intensity caused by manual assembling of the lock clamp and the parallel-tooth steering shaft are solved.

Claims

1. The utility model provides an assembly jig of tooth steering spindle and lock card, it comprises base (1), angle adjusting device, bracing piece (2) and pressure equipment head, its characterized in that: an angle adjusting device is fixedly arranged on the base (1) through a fixing bolt, supporting rods (2) are symmetrically arranged on the base (1) on two sides of the angle adjusting device, guide sliding rods (12) are respectively arranged at the ends of the supporting rods (2), and press-fitting heads are movably sleeved on the guide sliding rods (12).

2. The assembling jig for the parallel teeth steering shaft and the lock catch according to claim 1, wherein: the angle adjusting device is composed of an assembly base (3) and a positioning plate (4), the assembly base (3) is cylindrical, and an assembly groove (7) is axially arranged on the assembly base (3); the top of the assembly base (3) is fixedly provided with a positioning plate (4) through a fixing bolt.

3. The assembling jig for the parallel teeth steering shaft and the lock catch according to claim 2, wherein: the positioning plate (4) is C-shaped, an adjusting push rod (5) is movably mounted on one side of the positioning plate (4) through a mounting seat (9) and a spring (10), and one end of the adjusting push rod (5) extends into an inner hole of the positioning plate (4); the other end of the adjusting push rod (5) extends to the outer side of the mounting seat (9), and a limiting nut (11) is arranged on the adjusting push rod (5) extending to the outer side of the mounting seat (9).

4. The assembling jig of the parallel teeth steering shaft and the lock catch according to claim 3, wherein: the end of the adjusting push rod (5) extending into the inner hole of the positioning plate (4) is conical.

5. The assembling jig for the parallel teeth steering shaft and the lock catch according to claim 2, wherein: the diameter of the inner hole of the positioning plate (4) is larger than the radial diameter of the assembling groove (7).

6. The assembling jig of the parallel teeth steering shaft and the lock catch according to claim 3, wherein: the included angle between the center line of the adjusting push rod (5) and the center line of the positioning plate (4) in the vertical direction is 8.6-9 degrees.

7. The assembling jig for the parallel teeth steering shaft and the lock catch according to claim 1, wherein: the press fitting head is composed of a guide plate (13), a connecting seat (14) and a limiting pressure head (15), the guide plate (13) is slidably mounted on a guide sliding rod (12) through a guide sliding sleeve (16), the connecting seat (14) is fixedly mounted at the center of the guide plate (13) through a fixing bolt, and the connecting seat (14) is connected with a press fitting machine (22) through a connecting pin (21); a limiting pressure head (15) is fixedly arranged on the guide plate (13) below the connecting seat (14) through a fixing bolt and the positioning plate (4) correspondingly.

8. the assembling jig for the parallel-tooth steering shaft and the lock clip according to claim 7, wherein the connecting seat (14) is in an inverted T shape.

9. The assembling jig of the parallel teeth steering shaft and the latch according to claim 7, wherein: the limiting pressure head (15) is in a cross shape; a workpiece recess (17) is arranged at the bottom of the limiting pressure head (15); and a positioning ring (6) is fixedly arranged on the port of the workpiece concave (17) through a fixing bolt.

10. The assembling jig of the parallel teeth steering shaft and the latch according to claim 9, wherein: and the circumference of an inner hole of the positioning ring (6) is uniformly provided with limiting teeth (18).