Positioning tool for automobile steering wheel machining

Abstract

The utility model provides a positioning tool for machining an automobile steering wheel, which adopts the following scheme that the positioning tool comprises a mounting bedplate, a central shaft is fixedly mounted at the top of the mounting bedplate, a plurality of clamping jaws are rotationally mounted on the outer side of the central shaft through a hinge structure, the clamping jaws are obliquely arranged, and the clamping jaws are circumferentially distributed at equal intervals; and the same spiral spring is fixedly mounted between the clamping jaw and the central shaft. A round hole in a central hub is aligned with a central shaft, a steering wheel is driven to move downwards until a plurality of clamping jaws completely penetrate through the round hole, a pushing ring and the steering wheel are driven to move upwards together through two telescopic rods, and therefore the clamping jaws are driven to swing upwards until a steel wire rope is straightened, and the clamping jaws cannot continue to swing upwards at the moment; the multiple opened clamping jaws are matched with the pushing ring to complete the function of clamping the steering wheel, the steering wheel is clamped through a connecting hole, connected with an automobile steering column, in the steering wheel, and the situation that a positioning tool for clamping the annular handle hinders a machining tool from making contact with the steering wheel is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to steering wheel processing technical field especially, relates to a kind of positioning tool for automobile steering wheel processing. BACKGROUND

[0002] Automobile steering wheel is the main control device used by driver to control the direction of vehicle, it is usually located in the front of cab, connected to steering system, the driving direction of vehicle is changed by the operation of driver;Positioning tool for automobile steering wheel processing is a specially designed tool, used to ensure the position of steering wheel accurately during processing, so as to ensure processing quality and efficiency.

[0003] Steering wheel includes annular handle and central hub, the positioning tool of conventional steering wheel is to annular handle is clamped and fixed, the existence of these clamping mechanisms can hinder the contact between processing tool and steering wheel, and then affect processing efficiency, therefore we propose a kind of positioning tool for automobile steering wheel processing to solve this problem. SUMMARY

[0004] The utility model aims at solving the problem proposed in the above background art, and proposes a kind of positioning tool for automobile steering wheel processing.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of positioning tool for automobile steering wheel processing, including installation platform, the top of the installation platform is fixedly installed with central shaft, the outside of the central shaft is rotatably installed with multiple clamping claws by hinge structure, the clamping claw is inclinedly arranged, multiple clamping claws are arranged at equal intervals in a circle, the same helical spring is fixedly installed between the clamping claw and the central shaft, the top of the installation platform is fixedly installed with two telescopic rods, the top of two telescopic rods is fixedly installed with the same push ring, the push ring is slidably sleeved on the outside of the central shaft.

[0007] Further, the hinge structure includes fixed rod and fixed plate, the top of the clamping claw is provided with hinge

[0008] Slot, the two ends of the fixed rod are fixedly connected with the inner walls of the two sides of corresponding hinge slot respectively, the fixed plate is fixedly connected with the central shaft, the fixed plate is rotatably sleeved on the outside of corresponding fixed rod.

[0009] Further, one side of the clamping claw is provided with arc slot one, the outside of the central shaft is provided with multiple arc slots two, the arc slot one and corresponding arc slot two are located on the same arc line, the center of the arc line coincides with the center of the fixed rod, the two ends of the helical spring are fixedly connected with the inner wall of one side of arc slot one and the inner wall of one side of arc slot two respectively.

[0010] Further, one side of the clamping jaw is fixedly provided with a steel wire rope, one end of the steel wire rope is fixedly connected with the central shaft.

[0011] Further, the bottom end of the clamping jaw is fixedly provided with a rubber sleeve, and the top of the pushing ring is fixedly provided with a rubber ring.

[0012] Further, the top of the mounting table plate is provided with a plurality of mounting holes, the mounting holes are provided with screw grooves, and the mounting holes are arranged at equal intervals in a circle.

[0013] The automobile steering wheel machining positioning tool has the advantages that:

[0014] By aligning the round hole on the central hub with the central shaft and driving the steering wheel to move downward, the plurality of clamping jaws can completely pass through the round hole, the pushing ring and the steering wheel are driven to move upward by the two extension rods, so that the clamping jaws are swung upward, and the steel wire rope is straightened, at this time, the clamping jaws cannot continue to swing upward, and the plurality of clamping jaws cooperating with the pushing ring complete the clamping function of the steering wheel, the steering wheel is clamped by using the connecting hole of the steering wheel and the automobile steering column, and the positioning tool for clamping the annular handle avoids hindering the processing tool from contacting the steering wheel. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a first perspective view of the three-dimensional structure schematic diagram of the positioning tool for automobile steering wheel machining.

[0016] Figure 2 It is a second perspective view of the three-dimensional structure schematic diagram of the positioning tool for automobile steering wheel machining.

[0017] Figure 3 It is a sectional view structure schematic diagram of the positioning tool for automobile steering wheel machining.

[0018] Figure 4 It is Figure 2 the local enlarged view of the A part.

[0019] Figure 5 It is Figure 3 the local enlarged view of the B part.

[0020] The reference signs are as follows:

[0021] In the drawing: 1, mounting table plate; 2, central shaft; 3, clamping jaw; 4, spiral spring; 5, extension rod; 6, pushing ring; 7, fixed rod; 8, fixed plate; 9, hinged groove; 10, arc-shaped groove one; 11, arc-shaped groove two; 12, steel wire rope; 13, rubber ring; 14, mounting hole. DETAILED DESCRIPTION

[0022] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0023] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Figures 1-5 A positioning tool for automobile steering wheel processing, comprising a mounting table plate 1, a center shaft 2 is fixedly installed on the top of the mounting table plate 1, a plurality of clamping jaws 3 are rotatably installed on the outer side of the center shaft 2 through a hinge structure, the clamping jaws 3 are arranged in an inclined manner, the plurality of clamping jaws 3 are arranged at equal intervals in a circle, the same spiral spring 4 is fixedly installed between the clamping jaws 3 and the center shaft 2, two telescopic rods 5 are fixedly installed on the top of the mounting table plate 1, the same pushing ring 6 is fixedly installed on the top end of the two telescopic rods 5, and the pushing ring 6 is slidably sleeved on the outer side of the center shaft 2.

[0024] It should be noted that the steering wheel comprises a ring-shaped handle and a central hub, and the conventional steering wheel positioning tool clamps and fixes the ring-shaped handle, and the existence of these clamping mechanisms may hinder the contact between the processing tool and the steering wheel, thereby affecting the processing efficiency.

[0025] In the embodiment, the hinge structure comprises a fixed rod 7 and a fixed plate 8, the top end of the clamping jaw 3 is provided with a hinge groove 9, the two ends of the fixed rod 7 are fixedly connected with the inner walls on the two sides of the corresponding hinge groove 9 respectively, the fixed plate 8 is fixedly connected with the center shaft 2, the fixed plate 8 is rotatably sleeved on the outer side of the corresponding fixed rod 7, and the hinge mechanism is located in the clamping jaw 3 through the arrangement of the fixed plate 8, the fixed rod 7 and the hinge groove 9, so that the clamping jaw 3 can pass through the circular hole without being affected.

[0026] In the embodiment, an arc-shaped groove one 10 is formed in one side of the clamping jaw 3, a plurality of arc-shaped grooves two 11 are formed in the outer side of the center shaft 2, the arc-shaped groove one 10 and the corresponding arc-shaped groove two 11 are located on the same arc line, the center of the arc line coincides with the center of the fixed rod 7, and the two ends of the spiral spring 4 are fixedly connected with the inner walls on one side of the arc-shaped groove one 10 and the arc-shaped groove two 11 respectively, the arc-shaped groove one 10 and the arc-shaped groove two 11 both limit the spiral spring 4, so as to prevent the spiral spring 4 from being bent and damaged when being compressed.

[0027] In the embodiment, a steel wire rope 12 is fixedly installed on one side of the clamping jaw 3, one end of the steel wire rope 12 is fixedly connected with the center shaft 2, the clamping jaw 3 is limited, the clamping jaw 3 has a maximum angle when swinging upward, so that the clamping jaw 3 can abut against the top of the central hub and clamp the central hub.

[0028] In the embodiment, the bottom end of the clamping jaw 3 is provided with a rubber sleeve, which increases the friction force when the bottom end of the clamping jaw 3 abuts against the top of the central hub, hinders the relative displacement of the clamping jaw 3 and the central hub, and has a better clamping effect.

[0029] In the embodiment, the top of the mounting table plate 1 is provided with a plurality of mounting holes 14, the mounting holes 14 are provided with threaded grooves, the mounting holes 14 are arranged at equal intervals in a circle, and the mounting holes 14 are arranged to facilitate the mounting of the mounting table plate 1 on the support frame, so that the entire device is at a certain height from the ground, and subsequent processing of the steering wheel is facilitated.

[0030] The working principle of the utility model is as follows: the circular hole on the central hub is aligned with the center shaft 2, the circular hole is a connecting hole of the steering wheel and the automobile steering column, the steering wheel is then driven to move downward, the center shaft 2 and the plurality of clamping jaws 3 are synchronously inserted through the circular hole, the clamping jaws 3 swing downward around the fixed rod 7 under the extrusion of the inner wall of the circular hole and compress the spiral spring 4, until the plurality of clamping jaws 3 completely pass through the circular hole, then the bottom of the central hub abuts against the top of the pushing ring 6, the reset spring is compressed to drive the clamping jaws 3 to swing upward, the two telescopic rods 5 are started to drive the pushing ring 6 and the steering wheel to move upward together, the top of the central hub abuts against the bottom end of the clamping jaw 3 and drives the clamping jaw 3 to swing upward, until the steel wire rope 12 is straightened, at this time, the clamping jaw 3 cannot continue to swing upward, and the plurality of clamping jaws 3 that are expanded cooperate with the pushing ring 6 to complete the clamping function of the steering wheel.

[0031] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A positioning fixture for machining automotive steering wheels, characterized in that, The utility model provides a kind of centering device, including installation platform (1), the top of installation platform (1) is fixedly installed with center shaft (2), the outside of center shaft (2) is rotatably installed with multiple clamping jaws (3) by hinge structure, the clamping jaw (3) is arranged obliquely, multiple clamping jaws (3) are arranged at equal intervals in a circle, the same helical spring (4) is fixedly installed between the clamping jaw (3) and center shaft (2), the top of installation platform (1) is fixedly installed with two telescopic rods (5), the top of two telescopic rods (5) is fixedly installed with the same push ring (6), the push ring (6) is slidably sleeved on the outside of center shaft (2).

2. The positioning tool for processing an automobile steering wheel according to claim 1, characterized in that, The hinge structure includes fixed rod (7) and fixed plate (8), the top of clamping jaw (3) is provided with hinged groove (9), the both ends of fixed rod (7) are fixedly connected with the both sides inner wall of corresponding hinged groove (9) respectively, the fixed plate (8) is fixedly connected with center shaft (2), the fixed plate (8) is rotatably sleeved on the outside of corresponding fixed rod (7).

3. The positioning tool for processing automobile steering wheel according to claim 1, characterized in that, One side of clamping jaw (3) is provided with arc slot one (10), the outside of center shaft (2) is provided with multiple arc slot two (11), arc slot one (10) and corresponding arc slot two (11) are located on the same arc, the center of arc is coincident with the center of fixed rod (7), the both ends of helical spring (4) are fixedly connected with the one side inner wall of arc slot one (10) and the one side inner wall of arc slot two (11) respectively.

4. The positioning tool for processing an automobile steering wheel according to claim 1, characterized in that, One side of clamping jaw (3) is fixedly installed with steel wire rope (12), one end of steel wire rope (12) is fixedly connected with center shaft (2).

5. The positioning tool for processing an automobile steering wheel according to claim 1, wherein The bottom of clamping jaw (3) is fixedly sleeved with rubber sleeve, the top of push ring (6) is fixedly installed with rubber ring (13).

6. The positioning tool for processing an automobile steering wheel according to claim 1, wherein The top of installation platform (1) is provided with multiple mounting holes (14), the mounting hole (14) is provided with thread groove, multiple mounting holes (14) are arranged at equal intervals in a circle.

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