TWI577574B - Car fender trim expander - Google Patents

Description

Automobile wheel arc expansion tool

The present invention relates to an expansion tool, and more particularly to an expansion tool for an automobile wheel.

For example, U.S. Patent No. 8,166,788 discloses a rolling and bending tool for expanding a car fender, the tool comprising an annular fixing flange for fixing the axle attached to the car after removal of the tire, the fixing flange A telescopic tube device is pivoted, which comprises an outer tube and an inner tube which are relatively slidable, and an adjusting screw is arranged between the outer tube and the fixing flange, and the outer tube is fixed relative to the fixing flange by adjusting the rotation of the screw The tilting angle is such that the outer tube adjusts its angle with respect to the fixing flange, and the outer tube and the inner tube have a handle for controlling the telescopic movement of the inner tube relative to the outer tube, and further, the end of the inner tube is provided with a The bracket is configured to rotate and set a roller, thereby appropriately abutting against the fender of the automobile (ie, the arc of the wheel) through the roller, so as to roll back the recessed portion of the fender to complete the repair work of the reset .

The steps of using the foregoing tool generally include: a first step of first locking the fixing flange to the axle; and a second step of extending the inner tube relative to the outer tube by using the handle to adjust the roller relative to the inner edge of the fender The longitudinal distance is such that the roller approaches the inner edge of the fender, and the telescopic tube device is tilted relative to the fixed flange by the adjusting screw to adjust the lateral distance of the roller relative to the inner edge of the fender, so that the roller can abut against the block The inner edge of the mud board.

However, the handle is easily forced to rotate by the external force, and the inner tube is retracted relative to the outer tube, so that if the operation is careless, the sudden retraction is likely to cause the staff to be scared and injured, and further, the telescopic tube is adjusted. The tilting of the device and the fixing flange can only be adjusted slowly by the screwing relationship of the adjusting screw, the adjustment is not fast enough, and the structure is also complicated.

In order to solve the above problems, the present invention discloses an expansion tool for an automobile wheel arc, which has a simple structure and is easy to operate, and can be quickly adjusted for different vehicle models.

In order to achieve the above object, the present invention provides an expansion tool for an automobile wheel, which comprises: a fixed plate for mounting on an axle of a vehicle and rotating with the pair of pivots on one side of the fixed disk; The tube has a first end and a second end, the first end is pivotally connected to the two pivot ears; a sliding member is slidably disposed on the periphery of the telescopic tube; and a connecting rod assembly is disposed on the sliding member and the two pivots Between the ears; a roller is rotatably disposed at the second end of the telescopic tube for abutting against the inner edge of the wheel of the vehicle; and a limiting device is disposed between the telescopic tube and the sliding member, and The fixed position and the non-fixed position move, and in the fixed position, the telescopic tube can be restrained at the same time as the telescopic tube and the displacement of the sliding member. In the non-fixed position, the telescopic tube can generate the telescopic movement and the sliding member can be subjected to an external force. The push-pull displacement causes the telescopic tube to pivot relative to the fixed disk, thereby providing quick adjustment and a simple structure for ease of operation.

For the convenience of the description, the central idea expressed by the present invention in the column of the above summary of the invention is expressed by the specific embodiments. The various items in the embodiments are set forth in proportion to the description and not in the

Referring to FIG. 1 to FIG. 3, the vehicle wheel arc expansion tool 1 of the present invention includes:

a fixed disk 10 having a plurality of slots 11 for mounting on the upper wheel axle 3 (shown in Figures 6 and 7), so that the fixed disk 10 can be rotated therewith, and the disk 10 is fixed. There is a pair of pivot ears 12.

A telescopic tube 20 includes an outer tube 21 and an inner tube 22. One end of the outer tube 21 is pivotally connected to the two pivoting ears 12, and the inner tube 22 is capable of generating a sliding telescopic movement relative to the outer tube 21, and the outer tube 21 is provided at the other end. There is a threaded section 211, and the outer tube 21 further has a first sliding slot 212; the inner tube 22 has a second sliding slot 221 at one end, and the second sliding slot 221 is open to the outside of the inner tube 22, and respectively A flat surface 222 is disposed, and the other end has a fork portion 223. The axial length of the first sliding slot 212 is smaller than the axial length of the second sliding slot 221 .

A sliding member 30 is formed in a cylindrical shape, and is mainly composed of a first housing 31 and a second housing 32, so that the sliding member 30 is slidably disposed on the periphery of the tube 21 outside the telescopic tube 20, wherein The inner edges of the first housing 31 and the second housing 32 have an inner ring groove 33.

A connecting rod assembly 40 is disposed between the sliding member 30 and the two pivots 12, the connecting rod assembly 40 includes at least two connecting rods 41, and the two connecting rods 41 are horizontally coupled to the column 42 at the pivotal joint of the two pivoting ends 12. To limit the pivoting angle of the telescopic tube 20.

A roller 50 is disposed on the bracket 51. The bracket 51 has a joint portion 52 for connecting to the fork portion 223, and an adjusting member 53 is disposed between the fork portion 223 and the joint portion 52 for adjusting the bracket 51. The pivoting angle with respect to the fork 223.

A limiting device 60 is disposed between the telescopic tube 20 and the sliding member 30 and operates between a fixed position and a non-fixed position. The limiting device 60 includes a knob 61 and a screw 62. The knob 61 is worn. The sliding member 30 is disposed between the sliding member 30 and the first sliding slot 212 and the second sliding slot 221, and is locked with the screw 62, and is adjusted by the rotation of the knob 61. When the position is fixed, the telescopic tube 20 can be restrained from stretching and sliding. The displacement of 30 is to maintain the pivoting angle of the telescopic tube 20 relative to the fixed disc 10, and in the non-fixed position, the telescopic tube 20 can generate a telescopic movement, so that the inner tube 22 slides relative to the outer tube 21, it is worth mentioning that The position of the link assembly 40 pivotally connected to the slider 30 is the axis of the knob 61.

A rotating member 70 is screwed to the threaded portion 211 of the outer tube 21, and one end of the rotating member 70 is provided with a flange 71. The side of the flange 71 is further provided with a recess 72 for the inner ring of the sliding member 30. The groove 33 is engaged, and the recess 72 abuts one end of the inner edge of the sliding member 30 so that the slider 30 is connected to the end of the rotating member 70 and is located between the outer tube 21 and the rotating member 70, and can be opposite The rotating member 70 is idly rotated, and further, the rotating member 70 is laterally provided with a handle 73 for the supporting operation.

As shown in FIG. 3 and FIG. 4, when the limiting device 60 is in the fixed position, that is, the knob 61 and the screw 62 are in a locked state for clamping the sliding member 30, so that the sliding member 30 does not shift, so The pivoting position of the telescoping tube 20 relative to the fixed disc 10 will be maintained, and the knob 61 and the screw 62 can also be clamped to the plane 222 of the inner tube 22 to limit slippage of the inner tube 22 relative to the outer tube 21.

As shown in FIG. 5, when the limiting device 60 is in the non-fixed position, that is, the knob 61 is in a relaxed state, so that the inner tube 22 is no longer clamped, and can be slipped relative to the outer tube 21, thereby adjusting the telescopic tube. At the same time, in the non-fixed position, the rotating member 70 can be driven to displace the rotating member 70 on the threaded portion 211, and further the displacement of the sliding member 30 along the axial direction of the outer tube 21 is generated. In turn, the outer tube 21 can be pivoted relative to the fixed disk 10, thereby adjusting the angle between the outer tube 21 and the fixed disk 10.

As shown in FIG. 6 and FIG. 7 , it is a schematic diagram of the state of use of the present invention. When the invention is to be used, the tire of the damaged portion needs to be detached, and then the fixed disk 10 is locked on the wheel 2 to be fixed. The disc 10 can be rotated along with the axle 3, and then the adjustment limiter 60 and the adjusting member 53 can be used to adjust the extension of the telescopic tube 20 and the pivoting of the roller 50, so that the roller 50 can correspond to the arc of the recess 4 The inner side surface, in addition, when the limiting device 60 is in the non-fixed position, the rotating member 70 can be driven to displace the sliding member 30, thereby adjusting the pivoting angle of the telescopic tube 20 relative to the fixed plate 10, so that the roller The roller 50 is properly abutted against the inner side surface of the wheel arch 4, and is pivoted relative to the wheel shaft 3 by the expansion tool 1 of the present invention, so that the roller 50 can be returned to the wheel arch 4 to reset the recessed portion.

Thereby, the expansion tool of the automobile wheel arc of the invention can adjust the expansion and contraction of the telescopic tube quickly by using the adjustment of the limiting device, and when the limiting device is in the non-fixed position, the sliding member can be quickly adjusted by using the rotating rotating member. Moving along the axis of the outer tube, the outer tube can adjust the pivoting angle relative to the fixed disc, wherein the limiting device is located between the sliding member and the outer tube and close to the fixed disc position, so that it does not easily affect external force or work. Forced to adjust.

At the same time, compared with the conventional structure, the rotating member can be supported and driven by the user, and the rotating distance is large, and the pivoting angle of the telescopic tube can be quickly adjusted, thereby providing convenience in use, so that it can be applied to different The car is for adjustment.

While the invention has been described in terms of a preferred embodiment, the various embodiments may The above embodiments are merely illustrative of the invention and are not intended to limit the scope of the invention. All modifications or changes made without departing from the spirit of the invention are within the scope of the invention.

1‧‧‧Expansion tools
11‧‧‧through slot
20‧‧‧ telescopic tube
211‧‧ Thread segment
22‧‧‧Inside
222‧‧‧ plane
30‧‧‧Sliding parts
32‧‧‧Second housing
40‧‧‧ linkage assembly
42‧‧‧ binding column
51‧‧‧ bracket
53‧‧‧Adjustment
61‧‧‧ knob
70‧‧‧Rotating parts
72‧‧‧ recess
2‧‧‧ Roulette
4‧‧‧ wheel arc
10‧‧‧ Fixed disk
12‧‧‧ 枢 ear
21‧‧‧External management
212‧‧‧First chute
221‧‧‧Second chute
223‧‧‧Fork
31‧‧‧First housing
33‧‧‧ Inner ring groove
41‧‧‧ Connecting rod
50‧‧‧Roller
52‧‧‧Combination Department
60‧‧‧ Limiting device
62‧‧‧ screw
71‧‧‧Flange
73‧‧‧Hands
3‧‧‧Axle

Fig. 1 is a schematic view showing the appearance of the present invention. Fig. 2 is an exploded perspective view showing the structure of the present invention. [Fig. 3] is a cross-sectional view taken along line 3-3 of Fig. 1. Fig. 4 is a partial cross-sectional view of the present invention. [Fig. 5] is a schematic view showing the position limiting device of the present invention in a non-fixed position. [Fig. 6] is a schematic view (1) of the state of use of the present invention. [Fig. 7] is a schematic view (2) of the state of use of the present invention.

1‧‧‧Expansion tools

10‧‧‧ Fixed disk

20‧‧‧ telescopic tube

30‧‧‧Sliding parts

40‧‧‧ linkage assembly

50‧‧‧Roller

60‧‧‧ Limiting device

70‧‧‧Rotating parts

Claims (10)

An automobile wheel arc expansion tool includes: a fixed disk for mounting on an axle of a vehicle and having a pair of pivot ears on one side of the fixed disk; and a telescopic tube including an outer tube And an inner tube, one end of the outer tube is pivotally connected to the two pivoting ears, a rotating member is rotatably disposed on the outer tube, and one end of the rotating member is provided with a flange; a sliding member is slidably disposed on the outer tube a sliding member is a cylindrical shape, and has an inner ring groove and a flange joint; a link assembly is disposed between the sliding member and the two pivot ears; a roller is rotated The end of the inner tube is for abutting against the inner edge of the wheel of the vehicle; and a limiting device is disposed between the telescopic tube and the sliding member and between a fixed position and a non-fixed position The movement, in the fixed position, can simultaneously limit the expansion and contraction of the telescopic tube and the displacement of the sliding member. In the non-fixed position, the telescopic tube can generate a telescopic movement and the rotating member can drive the sliding member along the outer tube Displacement in the direction of the axis, so that the telescopic tube is opposite to the fixed plate Health pivot swing. The expansion tool of the automobile wheel arc according to claim 1, wherein the rotating member is laterally disposed with a handle. The expansion tool for a vehicle wheel according to claim 1, wherein the outer tube is provided with a threaded portion for screwing the rotating member, and the sliding member is coupled between the outer tube and the rotating member. And can generate idling relative to the rotating member. The expansion tool for a vehicle wheel according to claim 1, wherein the sliding member is composed of a first casing and a second casing. The expansion tool of the automobile wheel according to claim 1, wherein the limiting device comprises a knob and a screw, the outer tube has a first sliding slot, and the inner tube has a second sliding slot, the knob The utility model is disposed between the sliding member and the first sliding slot and the second sliding slot, and is locked with the screw. The expansion tool for a vehicle wheel according to claim 5, wherein the position of the link member pivotally connected to the slider is on the axis of the knob. The expansion tool of the automobile wheel according to claim 5, wherein the two outer sides of the second sliding groove are respectively provided with a plane. The vehicle wheel arch expansion tool of claim 5, wherein the first chute has an axial length that is less than an axial length of the second chute. The expansion tool of the automobile wheel according to claim 1, wherein the connecting rod assembly comprises at least two connecting rods, and the two connecting rods are horizontally disposed with a coupling post at the pivotal joint of the two pivoting ends. The expansion tool of the automobile wheel according to claim 1, wherein the end of the inner tube has a fork portion, the roller is disposed on a bracket, and the bracket has a joint portion connected to the fork And an adjusting member is disposed between the fork portion and the joint portion for adjusting a pivoting angle of the bracket relative to the fork portion.