Tool for assembling intermediate shaft dust cover assembly

Abstract

The utility model relates to the technical field of machinery, in particular to a tool for assembling an intermediate shaft dust cover component, which comprises a bottom plate, a top plate, two connecting rods, a movable plate, a jack, a positioning base, an upper pressure head and a limiting structure. A jack is arranged on the bottom plate, the upper end of the jack abuts against the movable plate, a positioning base is installed at the top of the movable plate, an upper pressing head is installed at the bottom of the top plate, and limiting structures are arranged on the lower end face of the upper pressing head and the upper end face of the positioning base. Compared with the prior art, the dust cover body is installed on the positioning base, the bearing pressing block is installed at the bottom of the upper pressing head, press fitting of the dust cover assembly is completed through the jack, the press-in depth is guaranteed through the limiting structure, and therefore assembling efficiency and quality are improved. The device has the advantages of being simple in structure, convenient to operate and low in manufacturing cost.

Description

Technical Field

[0001] The utility model relates to the technical field of machinery, in particular to a tool for assembling a dust cover component of an intermediate shaft. Background Art

[0002] The steering intermediate shaft is an important component in the automobile steering system. It is used to connect the steering column and the steering gear, receive the torque and speed from the steering column and transmit them to the steering gear. As an important component of the steering system, the intermediate shaft has the functions of transmitting torque, axial expansion and contraction, and absorbing the assembly error of the whole vehicle. The dust cover assembly can effectively prevent dust and reduce noise in the cockpit and extend the service life of the intermediate shaft.

[0003] The dust cover assembly consists of a dust cover body, a spherical bearing, and a bearing block. The spherical bearing and the bearing block are installed in the dust cover body. During assembly, the spherical bearing must be oiled and installed in place. The traditional assembly is to manually oil one side of the spherical bearing, press it into the bearing block, and then oil the other side of the spherical bearing and assemble it on the dust cover body. The traditional assembly is inefficient and there is a risk of defective products due to oil leakage and inadequate press-fitting of the spherical bearing.

[0004] Therefore, it is necessary to design a tool for assembling the intermediate shaft dust cover assembly to improve the assembly efficiency and reduce the defective rate. Summary of the invention

[0005] The utility model aims to overcome the shortcomings of the prior art and provides a tool for assembling an intermediate shaft dust cover component so as to improve assembly efficiency and reduce defective product rate.

[0006] In order to achieve the above-mentioned purpose, the utility model is a tooling for assembling an intermediate shaft dust cover assembly, comprising a bottom plate, a top plate, a connecting rod, a movable plate, a jack, a positioning base, an upper pressure head, and a limiting structure. The bottom plate and the top plate are connected by two connecting rods, the two ends of the movable plate are respectively sleeved outside the connecting rods, the movable plate and the connecting rods are slidably connected, a jack is arranged on the bottom plate, the upper end of the jack abuts against the movable plate, a positioning base is installed on the top of the movable plate, an upper pressure head is installed on the bottom of the top plate, and the lower end surface of the upper pressure head and the upper end surface of the positioning base are provided with limiting structures.

[0007] The limiting structure includes a limiting slider and a limiting fixed block. A slide groove is provided on the surface of the upper pressure head, the limiting slider is installed in the slide groove, a notch is provided at the bottom of the limiting slider, and a limiting fixed block protruding outward is fixed on the upper end surface of the positioning base. A raised structure is provided on the surface of the limiting fixed block, and the notch corresponds to the raised structure in position and matches in structure.

[0008] After the protruding structure is embedded in the notch, the distance between the bottom surface of the upper pressing head and the boss surface of the positioning base is equal to the press-fitting distance of the dust cover assembly.

[0009] The surface of the movable plate is provided with a waist-shaped hole, two movable positioning pins are installed in the waist-shaped hole, the movable positioning pins are slidably connected with the waist-shaped hole, and the positioning base is installed on the two movable positioning pins.

[0010] The bottom edge of the upper pressure head is provided with a double rounded corner structure.

[0011] The bottom sleeve of the upper pressure head is provided with a bearing pressure block, the outer sleeve of the positioning base is provided with a dust cover body, and a spherical bearing coated with grease is placed in the dust cover body.

[0012] Compared with the prior art, the utility model installs the dust cover body on the positioning base, installs the bearing pressing block on the bottom of the upper pressure head, completes the press-fitting of the dust cover assembly by the jack, and the limit structure ensures the press-fitting depth, thereby improving the assembly efficiency and quality. The utility model has the advantages of simple structure, convenient operation and low manufacturing cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a structural schematic diagram of the utility model.

[0014] Figure 2 It is a schematic diagram of the movable positioning pin of the utility model.

[0015] Figure 3 It is an exploded schematic diagram of the limiting structure of the utility model.

[0016] Figure 4 It is a combined schematic diagram of the limiting structure of the utility model.

[0017] Figure 5 It is an enlarged view of the double-rounded corner structure of the upper pressure head of the utility model.

[0018] Figure 6 This is a usage state diagram of the utility model. Implementation

[0019] The utility model is now further described with reference to the accompanying drawings.

[0020] See also Figure 1 The utility model is a tooling for assembling an intermediate shaft dust cover assembly, including a bottom plate, a top plate, a connecting rod, a movable plate, a jack, a positioning base, an upper pressure head, and a limiting structure. The bottom plate 1 and the top plate 5 are connected by two connecting rods 7. The two ends of the movable plate 4 are respectively sleeved outside the connecting rod 7. The movable plate 4 is slidably connected with the connecting rod 7. A jack 2 is arranged on the bottom plate 1. The upper end of the jack 2 abuts against the movable plate 4. A positioning base 3 is installed on the top of the movable plate 4. An upper pressure head 6 is installed on the bottom of the top plate 5. The lower end surface of the upper pressure head 6 and the upper end surface of the positioning base 3 are provided with a limiting structure.

[0021] See also Figure 3The limiting structure includes a limiting slider 62 and a limiting fixed block 31. A slide groove 61 is provided on the surface of the upper pressure head 6. The limiting slider 62 is installed in the slide groove 61. A notch is provided at the bottom of the limiting slider 62. A limiting fixed block 31 protruding outward is fixed on the upper end surface of the positioning base 3. A protruding structure is provided on the surface of the limiting fixed block 31. The notch corresponds to the position of the protruding structure and the structure matches.

[0022] See also Figure 4 After the protruding structure is embedded in the notch, the distance s between the bottom surface of the upper press head 6 and the boss surface of the positioning base 3 is equal to the press-fit distance of the dust cover assembly. The limit slider 62 can move in the slide groove 61 and is fixed by bolts. By adjusting the limit block 62, the distance s between the bottom surface of the upper press head 6 and the boss surface of the positioning base 3 can be adjusted to meet the requirements of different press-fit distances.

[0023] See also Figure 2 The surface of the movable plate 4 is provided with a waist-shaped hole, and two movable positioning pins 41 are installed in the waist-shaped hole. The movable positioning pins 41 are slidably connected with the waist-shaped hole, and the positioning base 3 is installed on the two movable positioning pins 41. The movable positioning pins 41 can move laterally in the waist-shaped hole to meet the positioning base 3 of different diameters, so as to be suitable for the dust cover body 83 of different diameters.

[0024] See also Figure 5 The bottom edge of the upper pressing head 6 is provided with a double rounded structure 63 to better absorb the bearing pressing block 81 .

[0025] See also Figure 6 When the utility model is working, the bottom of the upper pressure head 6 is sleeved with a bearing pressing block 81, and the positioning base 3 is sleeved with a dust cover body 83, and a spherical bearing 82 coated with grease is placed in the dust cover body 83. The handle of the jack 2 is rotated to raise the movable plate 4, and the bearing pressing block 81 and the spherical bearing 82 coated with grease are pressed into the dust cover body 83.

[0026] The utility model installs the dust cover body on the positioning base, installs the bearing pressing block on the bottom of the upper pressure head, completes the press-fitting of the dust cover assembly through the jack, and the limit structure ensures the press-fitting depth, thereby improving the assembly efficiency and quality. The utility model has the advantages of simple structure, convenient operation and low production cost.

Claims

1. A tool for assembling an intermediate shaft dust cover assembly, comprising a bottom plate, a top plate, a connecting rod, a movable plate, a jack, a positioning base, an upper pressure head, and a limiting structure, characterized in that: The bottom plate (1) and the top plate (5) are connected by two connecting rods (7), the two ends of the movable plate (4) are respectively sleeved outside the connecting rods (7), the movable plate (4) and the connecting rods (7) are slidably connected, a jack (2) is arranged on the bottom plate (1), the upper end of the jack (2) abuts against the movable plate (4), a positioning base (3) is installed on the top of the movable plate (4), an upper pressure head (6) is installed on the bottom of the top plate (5), and a limiting structure is provided on the lower end surface of the upper pressure head (6) and the upper end surface of the positioning base (3). The limiting structure comprises a limiting slider (62) and a limiting fixed block (31); a slide groove (61) is provided on the surface of the upper pressure head (6); the limiting slider (62) is installed in the slide groove (61); a notch is provided at the bottom of the limiting slider (62); a limiting fixed block (31) protruding outward is fixed on the upper end surface of the positioning base (3); a protruding structure is provided on the surface of the limiting fixed block (31); the notch and the protruding structure correspond in position and match in structure.

2. The tooling for assembling the intermediate shaft dust cover assembly according to claim 1, characterized in that: After the protruding structure is embedded in the notch, the distance between the bottom surface of the upper pressing head (6) and the boss surface of the positioning base (3) is equal to the press-fit distance of the dust cover assembly.

3. The tooling for assembling the intermediate shaft dust cover assembly according to claim 1, characterized in that: The surface of the movable plate (4) is provided with a waist-shaped hole, and two movable positioning pins (41) are installed in the waist-shaped hole. The movable positioning pins (41) are slidably connected to the waist-shaped hole, and the positioning base (3) is installed on the two movable positioning pins (41).

4. The tooling for assembling the intermediate shaft dust cover assembly according to claim 1, characterized in that: The bottom edge of the upper pressure head (6) is provided with a double rounded corner structure (63).

5. The tooling for assembling the intermediate shaft dust cover assembly according to claim 1, characterized in that: The bottom of the upper pressure head (6) is provided with a bearing pressure block (81), and the outer cover of the positioning base (3) is provided with a dust cover body (83), and a spherical bearing (82) coated with grease is placed in the dust cover body (83).

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