CN209570357U - A tire fixture for four-wheel alignment detection - Google Patents

Abstract

The utility model discloses a tire fixture used for four-wheel alignment detection, which comprises a center plate, guide rails are installed on the top and bottom of the center plate, the guide rails are connected with fixed plates, screw screws are socketed between the fixed plates, and the two ends of the screw screws are installed The knob, the screw between the center plate and the fixed plate is sleeved with a slide plate, the two ends of the slide plate are sleeved on the guide rail, the two side walls of the slide plate are connected with a fixed frame, and a connecting plate is installed on the fixed frame, and the connecting plate is connected with the fixed arm. One end and the other end of the fixed arm are provided with a rotating arm, and a steering mechanism is installed between the rotating arm and the fixed arm. The rotating arm and the fixed arm are in the same state at the beginning, insert the rotating arm and the fixed arm along the gap between the tire and the car body, and drive the screw to rotate through the knob, so that the two skateboards are close to each other, and the fixed arm is pressed against the outer peripheral wall of the tire. The steering mechanism drives the rotating arm to rotate, so that the rotating arm is clamped on the inner end surface of the tire, and the clamp is completely clamped on both sides of the tire by the rotating arm and the connecting plate, so that the installation is more stable.

Description

A tire fixture for four-wheel alignment detection

technical field

The utility model relates to the technical field of automobile detection, in particular to a tire clamp for four-wheel alignment detection.

Background technique

The four-wheel alignment is based on the four-wheel parameters of the vehicle. It is adjusted to ensure good driving performance and certain reliability of the vehicle. It is usually necessary to use clamps to fix the sensors of the detection equipment on the tires through the clamps. At present The four-wheel detection fixtures are all clamping arms clamped on the wheel hub on the outer side of the car tire, and the final data is measured based on the wheel hub of the car tire, rather than the real parameters based on the tire, resulting in measurement data and The actual data is quite different, and although some fixtures clamp the clamping arm on the outer wall of the tire, because the distance between the outer wall of the tire and the car body is small, the fixture is completely fixed by friction at this time, and it is easy to rotate the tire during measurement. Cause the fixture to fall, so we propose a tire fixture for four-wheel alignment detection to solve the above problems.

Utility model content

The purpose of this utility model is to provide a tire clamp for four-wheel alignment detection to solve the problems raised in the above-mentioned background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a tire fixture for four-wheel alignment detection, including a center plate, one end of a guide rail is fixedly installed on both sides of the top and bottom of the center plate, and the guide rail The other end is fixedly connected to the fixed plate, the screw is socketed between the fixed plates, and the screw rotates through the center plate, the two ends of the screw go through the fixed plate and the knob is fixed, The lead screw is socketed with a slide plate through a threaded structure, and the two ends of the slide plate are slidably socketed on the guide rail. One end of the fixed frame is fixedly connected to the two side walls of the slide plate, and the other end of the fixed frame is installed by a plurality of bolts. A connecting plate, the connecting plate is fixedly connected with a fixed arm, the end of the fixed arm away from the connecting plate is provided with a rotating arm, and a steering mechanism is installed between the rotating arm and the fixed arm.

Preferably, the lengths of the guide rails on both sides of the center plate are the same, the two slide plates are installed symmetrically along the center plate, and the screw threads between the two slide plates and the lead screw have opposite directions of rotation.

Preferably, the knob includes a turntable and a pressing block, the pressing block is a hollow circular table structure made of rubber, the large-diameter end of the pressing block is connected to the turntable, and the diameter of the large-diameter end of the pressing block is smaller than that of the turntable diameter, the turntable is fixedly connected to the end face of the lead screw, and the small-diameter end of the pressing block is tightly pressed against the fixing plate.

Preferably, the middle part of the outer wall of the central plate away from the fixing bracket is fixedly embedded with a horizontal pipe, and the outer wall of the central plate on both sides of the horizontal pipe is provided with mounting holes.

Preferably, the steering mechanism includes a rotating shaft, and the rotating shaft is rotatably socketed on the end of the fixed arm away from the connecting plate. Stick to the outer wall of the fixed arm, one end of the rotating plate is fixedly connected to the outer wall of the rotating arm, there is a chute on the fixed arm above the rotating shaft, the push rod is movable in the chute, and the other end of the rotating plate There is a waist-shaped groove, and the two ends of the push rod are slidably engaged in the waist-shaped groove. The end of the fixed arm close to the connecting plate is sleeved with a stud through a thread structure, and one end of the stud passes through the chute and rotates. The push rod is socketed, and the other end of the stud passes through the connecting plate and fixes the handle.

Preferably, the angle between the two ends of the rotating plate is an obtuse angle, and the rotating shaft is fixedly connected to the turning point of the rotating plate.

Compared with the prior art, the beneficial effect of the utility model is that the two slide plates are installed symmetrically along the center plate, and the screw threads between the two slide plates and the lead screw rotate in the opposite direction, which is convenient to drive the lead screw to rotate through the knob, so that the two slide plates can be quickly rotated. A slide plate approaches, so that the fixed arm is quickly pressed on the outer wall of the tire circumference; the rotating arm is driven to rotate through the steering mechanism, so that the rotating arm is adjusted to be flush with the fixed arm before the fixture is installed, so that it is easy to insert along the gap between the tire and the car body, and then The steering mechanism drives the rotating arm to rotate so that the rotating arm is clamped on the inner end surface of the tire, so that the clamp is completely clamped on the end surfaces on both sides of the tire through the rotating arm and the connecting plate. The fixture is fixed on the tire, and the measurement data is closer to the real situation; the middle part of the outer wall of the center plate away from the fixed frame is fixed and embedded with a level pipe, which is convenient for adjusting the center plate to the level, and the outer wall of the center plate on both sides of the level tube is installed. Install the sensor of the measuring instrument on the mounting hole. At this time, the sensor is located on both sides of the tire axis, which is convenient for measurement.

Description of drawings

Fig. 1 is a structural representation of the utility model;

Fig. 2 is the schematic diagram of enlarged structure at A place in Fig. 1 of the utility model;

Fig. 3 is a structural schematic diagram of the utility model knob;

Fig. 4 is the structure diagram when the rotating arm of the utility model clamps the tire;

Fig. 5 is a partial explosion schematic diagram of the leading screw and the fixing plate of the present invention;

Fig. 6 is a structural schematic diagram of a stud and a push rod of the present invention.

In the figure: 1 center plate, 2 guide rail, 3 fixed plate, 4 lead screw, 5 knob, 51 turntable, 52 pressing block, 6 slide plate, 7 fixed frame, 8 fixed arm, 9 steering mechanism, 91 rotating shaft, 92 rotating plate , 93 chute, 94 push rod, 95 waist groove, 96 stud, 97 handle, 10 rotating arm, 11 mounting hole, 12 level pipe, 13 connecting plate.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Figures 1-6, the utility model provides a technical solution: a tire fixture for four-wheel alignment detection, including a center plate 1, one end of the guide rail 2 is fixedly installed on both sides of the top and bottom of the center plate 1, The other end of the guide rail 2 is fixedly connected to the fixed plate 3, and the fixed plate 3 is rotated and socketed with the lead screw 4 (as shown in the exploded view in Figure 5, the lead screw 4 and the fixed plate 3 can only rotate relative to each other but cannot move in the radial direction) , and the lead screw 4 rotates through the center plate 1, the two ends of the lead screw 4 pass through the fixed plate 3 and the knob 5 is fixedly installed, the lead screw 4 between the center plate 1 and the fixed plate 3 is sleeved with a slide plate 6 through a thread structure, and the slide plate 6 The two ends of the slider are slidably socketed on the guide rail 2, one end of the fixed frame 7 is fixedly connected to the two side walls of the slide plate 6, and the other end of the fixed frame 7 is installed with a connecting plate 13 through a plurality of bolts, and the connecting plate 13 is fixedly connected with the fixed arm 8 The end of the fixed arm 8 away from the connecting plate 13 is provided with a rotating arm 10 , and a steering mechanism 9 is installed between the rotating arm 10 and the fixed arm 8 . The rotating arm 10 is initially in the same state as the fixed arm 8. At this time, the rotating arm 10 and the fixed arm 8 are inserted along the gap between the tire and the car body, and the screw 4 is driven by the knob 5 to rotate, so that the two slide plates 6 are close to each other. Then the fixed frame 7 and the connecting plate 13 drive the fixed arm 8 to approach each other, so that the fixed arm 8 is pressed against the outer peripheral wall of the tire. At this time, the steering mechanism 9 drives the rotating arm 10 to rotate, so that the rotating arm 10 is clamped on the inner end surface of the tire. , the connecting plate 13 is pressed on the outer end surface of the tire, so that the clamp is completely clamped on both sides of the tire by the rotating arm 10 and the connecting plate 13, and the clamp is fixed and stable.

The lengths of the guide rails 2 on both sides of the center plate 1 are the same, and the two slide plates 6 are installed symmetrically along the center plate 1, and the screw threads between the two slide plates 6 and the lead screw 4 are in the opposite direction, so that the two slide plates 6 approach or move away from each other at the same time, thereby When the four fixed arms 8 contact the tires, they are self-centering, so that the center plate 1 is positioned at the axis of the tire, and the middle part of the outer wall of the center plate 1 away from the fixed frame 7 is fixed and embedded with a horizontal pipe 12, so that the center plate 1 can be adjusted to Horizontal, on the center plate 1 outer wall of level pipe 12 two sides, have installation hole 11, the inductor of measuring instrument is installed on the installation hole 11, then this moment inductor is positioned at tire axis place both sides, is convenient to measure.

The knob 5 includes a rotating disk 51 and a pressing block 52. The pressing block 52 is a hollow circular table structure made of rubber. diameter, which is convenient to turn the knob 5 through the turntable 51, the screw 4 is fixedly connected with the turntable 51 and penetrates the compression block 52, and the small diameter end of the compression block 52 is pressed tightly on the fixed plate 3, so that the compression of the two knobs 5 The tightening block 52 presses the fixing plate 3 so as to limit the lead screw 4 and prevent the lead screw 4 from moving.

The steering mechanism 9 includes a rotating shaft 91, a rotating plate 92, a rotating plate 92, a push rod 94, etc., the rotating shaft 91 is rotatably socketed on the end of the fixed arm 8 away from the connecting plate 13, and the two sides of the rotating shaft 91 run through the outer wall of the fixed arm 8 and the fixed sleeve Connect the middle part of the rotating plate 92, the rotating plate 92 is close to the outer wall of the fixed arm 8, one end of the rotating plate 92 is fixedly connected to the outer wall of the rotating arm 10, the fixed arm 8 above the rotating shaft 91 is provided with a rotating plate 92, and interacts in the chute 93 The push rod 94 is clamped, the other end of the rotating plate 92 is provided with a waist-shaped groove 95, and the two ends of the push rod 94 are slidingly clamped in the waist-shaped groove 95, and the end of the fixed arm 8 close to the connecting plate 13 is sleeved with a threaded screw Post 96, one end of stud 96 runs through chute 93 and rotates sleeve push rod 94, the structure shown in Figure 6, the part that stud 96 is connected with push rod 94 is provided with bearing and can rotate freely, the other of stud 96 One end runs through the connecting plate 13 and the handle 97 is fixedly installed, so turning the handle 97 can make the push rod 94 move, the angle between the two ends of the rotating plate 92 is an obtuse angle, and the rotating shaft 91 is fixedly connected to the turning point of the rotating plate 92. Before the fixture is installed, pass The handle 97 drives the stud 96 to rotate, so that the push rod 94 presses the chute 93 to move towards the connecting plate 13, and the push rod 94 pulls the rotating plate 92 through the waist groove 95, so that the rotating plate 92 rotates through the rotating shaft 91 so that the rotating arm 10 and The fixed arm 8 remains flat, so that the rotating arm 10 stretches into the inner side of the tire through the gap between the tire and the car body. When the fixed arm 8 is pressed on the outer wall of the tire circumference, the handle 97 drives the stud 96 to rotate again. Now the push rod 94 The sliding groove 93 slides toward the rotating arm 10, and the side push rod 94 pushes the rotating plate 92 through the waist groove 95, so that the rotating plate 92 drives the rotating arm 10 to rotate and clamp on the inner end surface of the tire.

Working principle: when the utility model is used, the handle 97 first drives the stud 96 to rotate, so that the push rod 94 presses the chute 93 to move to the connecting plate 13, and the push rod 94 pulls the rotating plate 92 through the waist groove 95, so that the rotating plate 92 rotates through the rotating shaft 91 so as to keep the rotating arm 10 and the fixed arm 8 flush, insert the rotating arm 10 and the fixing arm 8 along the gap between the tire and the vehicle body, so that the rotating arm 10 is located inside the tire, and the screw 4 is driven by the knob 5 to rotate , so that the two skateboards 6 are close to each other, then the fixed frame 7 and the connecting plate 13 drive the fixed arm 8 to approach each other, so that the fixed arm 8 is pressed on the outer circumferential wall of the tire, and the center plate 1 is adjusted to the level through the level pipe 12 , and the handle 97 drives the stud 96 to rotate again. At this time, the push rod 94 presses the chute 93 to slide toward the rotating arm 10, and the side push rod 94 pushes the rotating plate 92 through the waist groove 95, so that the rotating plate 92 drives the rotating arm 10 to rotate. Clamped on the inner end surface of the tire, so that the clamp is completely clamped on both sides of the tire through the rotating arm 10 and the connecting plate 13, the installation of the clamp is more stable, and the clamp is prevented from falling off due to the rotation of the tire during measurement.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes and modifications can be made to these embodiments without departing from the principle and spirit of the present invention , replacements and modifications, the scope of the present utility model is defined by the appended claims and their equivalents.

Claims (6)

1. A tire clamp for four-wheel alignment detection, comprising a center plate (1), characterized in that: one end of a guide rail (2) is fixedly installed on both sides of the top and bottom of the center plate (1), the The other end of the guide rail (2) is fixedly connected to the fixed plate (3), and the screw (4) is rotated between the fixed plates (3), and the screw (4) rotates through the center plate (1). Both ends of (4) pass through the fixed plate (3) and fix the installation knob (5), and the screw (4) between the center plate (1) and the fixed plate (3) is socketed with the slide plate (6) through a threaded structure , the two ends of the slide plate (6) are slidably socketed on the guide rail (2), one end of the fixed frame (7) is fixedly connected to the two side walls of the slide plate (6), and the other end of the fixed frame (7) One end installs connecting plate (13) by a plurality of bolts, fixedly connects fixed arm (8) on described connecting plate (13), described fixed arm (8) is provided with rotating arm (10) away from one end of connecting plate (13) , a steering mechanism (9) is installed between the rotating arm (10) and the fixed arm (8). 2. A tire clamp for four-wheel alignment detection according to claim 1, characterized in that: the lengths of the guide rails (2) on both sides of the center plate (1) are the same, and the two slide plates (6 ) are installed symmetrically along the center plate (1), and the screw threads between the two slide plates (6) and the lead screw (4) are opposite in direction of rotation. 3. A tire clamp for four-wheel alignment detection according to claim 1, characterized in that: the knob (5) includes a turntable (51) and a pressing block (52), and the pressing block ( 52) is a hollow circular table structure made of rubber, the large-diameter end of the pressing block (52) is connected to the turntable (51), and the diameter of the large-diameter end of the pressing block (52) is smaller than the diameter of the turntable (51). The rotating disk (51) is fixedly connected to the end face of the lead screw (4), and the small-diameter end of the pressing block (52) is tightly pressed on the fixing plate (3). 4. A tire clamp for four-wheel alignment detection according to claim 1, characterized in that: the middle part of the outer wall of the center plate (1) away from the fixed frame (7) is fixed and embedded with a horizontal pipe ( 12), mounting holes (11) are opened on the outer walls of the center plate (1) on both sides of the level pipe (12). 5. A tire clamp for four-wheel alignment detection according to claim 1, characterized in that: the steering mechanism (9) includes a rotating shaft (91), and the rotating shaft (91) is rotatably sleeved on the fixed arm (8) One end away from the connecting plate (13), the two sides of the rotating shaft (91) pass through the outer wall of the fixed arm (8) and are fixedly socketed in the middle of the rotating plate (92), and the rotating plate (92) is close to The outer wall of the fixed arm (8), one end of the rotating plate (92) is fixedly connected to the outer wall of the rotating arm (10), and the fixed arm (8) above the rotating shaft (91) has a chute (93), so The push rod (94) is movable in the chute (93), the other end of the rotating plate (92) has a waist groove (95), and the two ends of the push rod (94) are slidably connected to the waist. In the groove (95), the end of the fixed arm (8) close to the connecting plate (13) is sleeved with a stud (96) through a threaded structure, and one end of the stud (96) passes through the chute (93) and rotates The push rod (94) is socketed, and the other end of the stud (96) passes through the connecting plate (13) and fixes the handle (97). 6. A tire clamp for four-wheel alignment detection according to claim 5, characterized in that: the angle between the two ends of the rotating plate (92) is an obtuse angle, and the rotating shaft (91) is fixedly connected to the rotating The turning point of the plate (92).