Automobile steering wheel shape and size detection tool

Abstract

The utility model discloses an automobile steering wheel shape and size detection tool, which comprises a detection table, a centering assembly and measurement clamping plates, and is characterized in that during detection, a second knob is rotated to drive the two measurement clamping plates to be far away from each other and extrude a torsion spring, a steering wheel is arranged at the top of the detection table, and a first knob is rotated to drive two sliding blocks to be far away from each other; a second rotary knob is loosened, a torsional spring rebounds to drive a second positive and negative tooth threaded rod to rotate reversely, two measuring clamping plates are driven to get close to and abut against the outer wall of the steering wheel grip, and the outer diameter size of the steering wheel grip is judged through scale marks at the bottoms of the measuring clamping plates. At the moment, the steering wheel grip is rotated to enable the inner wall of the steering wheel grip to be attached to the four rolling wheels to rotate, when the steering wheel grip rotates, the distance between the two measuring clamping plates is unchanged, it is indicated that the steering wheel grip is in a perfect circle shape, and the shape of the steering wheel grip is detected while the caliber of the steering wheel grip is measured conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile production, in particular to a tool for detecting the shape and size of an automobile steering wheel. Background Art

[0002] In machinery manufacturing enterprises, after parts are processed and formed in the machinery enterprise, their external dimensions often need to be inspected or measured. Sometimes, in order to improve work efficiency, parts are also test-assembled with other parts, and then disassembled after the test assembly, and then the finished products are put into storage.

[0003] During production of existing automobile steering wheels, it is necessary to measure the outer diameter thereof. However, during production of the steering wheel, the steering wheel handle needs to be made into a perfect circle. Most existing measuring devices can only measure the outer diameter of the steering wheel, but cannot detect whether the steering wheel handle is a perfect circle. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the above and / or existing problems in a conventional tool for detecting the shape and size of a vehicle steering wheel, the present utility model is proposed.

[0006] Therefore, the purpose of the utility model is to provide a tool for detecting the shape and size of a car steering wheel, by opening a slide groove and four symmetrical guide grooves on the top of the detection platform, two sliders are symmetrically arranged inside the slide groove, rollers are slidably arranged on the top of the guide groove, the rollers and the sliders are connected by connecting rods, and two measuring clamps are symmetrically arranged on the top of the detection platform, and the side wall of the detection platform is rotatably connected with a first knob and a second knob, the side wall of the first knob is provided with a first positive and negative threaded rod, the second rotating side wall is provided with a second positive and negative threaded rod, and the side wall of the second knob is provided with a torsion spring. During detection, the second knob is first rotated to drive the second positive and negative threaded rod to rotate and squeeze the torsion spring, and the screw rod structure is used to push the two measuring clamps away from each other to move the steering wheel. Place it on the top of the testing table, rotate the first knob to drive the first positive and negative threaded rod to rotate, use the screw structure to push the two sliders away from each other, use the connecting rod to push the four rollers to unfold and abut against the inner wall of the steering wheel grip, center the steering wheel grip, loosen the second knob, and the torsion spring rebounds to drive the second positive and negative threaded rod to reverse, drive the two measuring clamps to approach and abut against the outer wall of the steering wheel grip, and judge the outer diameter of the steering wheel grip by measuring the scale line at the bottom of the clamp. At this time, rotate the steering wheel grip so that its inner wall fits the rotation of the four rollers. When the steering wheel grip rotates, the distance between the two measuring clamps remains unchanged, which means that the steering wheel grip is a perfect circle, which is convenient for measuring the diameter of the steering wheel grip and detecting its shape at the same time.

[0007] In order to solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:

[0008] A tool for detecting the shape and size of a vehicle steering wheel, comprising:

[0009] A testing platform, wherein a slide groove is provided at the center of the top of the testing platform, a first knob is rotatably connected to the side wall of the testing platform, a first positive and negative threaded rod is installed on the side wall of the first knob, the first positive and negative threaded rod extends into the inside of the slide groove, four second guide grooves are symmetrically provided on the top of the testing platform with the first guide groove as the center, two second slide grooves are symmetrically provided on the top of the testing platform, a second knob is rotatably connected to the side wall of the testing platform, a torsion spring is provided at the connection between the second knob and the side wall of the testing platform, a second positive and negative threaded rod is installed on the side wall of the second knob, the second positive and negative threaded rod extends into the inside of the second slide groove, and a scale line is provided on the side wall of the testing platform below the second slide groove;

[0010] A centering assembly comprises two sliders symmetrically slidably connected to the inside of the slide groove, four rollers slidably connected to the top of the second guide groove respectively, and a connecting rod hinged to the top of the roller, wherein the other ends of the two connecting rods on the left are hinged to the top of one of the sliders, and the other ends of the two connecting rods on the right are hinged to the top of the other slider, a first threaded hole is opened on the side wall of the slider, the first positive and negative threaded rod rotates through the first threaded hole, a sliding rod is installed at the bottom of the roller, and the sliding rod extends into the inside of the second guide groove;

[0011] Measuring clamps, there are two measuring clamps symmetrically located on the top of the testing platform, a slide plate is installed at the bottom of the measuring clamp, the slide plate extends into the second slide groove, a second threaded hole is opened on the side wall of the slide plate, and the second positive and negative threaded rod rotates through the second threaded hole.

[0012] As a preferred solution of a vehicle steering wheel shape and size detection tool described in the utility model, the symmetrical side walls of the slide groove are provided with a first guide groove, the symmetrical side walls of the slider are installed with guide blocks, and the guide blocks extend into the first guide groove.

[0013] As a preferred solution of the automobile steering wheel shape and size detection tool described in the utility model, a guide rod is installed inside another of the second sliding grooves.

[0014] As a preferred solution of the automobile steering wheel shape and size detection tool described in the utility model, another side wall of the slide plate is provided with a guide hole, and the guide rod passes through the guide hole.

[0015] As a preferred solution of the automobile steering wheel shape and size detection tool described in the utility model, a circle of dense teeth is evenly arranged on the outer wall of the first knob.

[0016] As a preferred solution of a vehicle steering wheel shape and size detection tool described in the utility model, it also includes a limit assembly, which includes a fixed frame installed on the side wall of the detection platform, a limit block slidably connected to the inside of the fixed frame and a spring installed on the side wall of the limit block, the other side wall of the limit block is provided with a limit groove, and the inner wall of the limit groove is provided with a circle of dense tooth grooves.

[0017] Compared with the prior art: a slide groove and four symmetrical guide grooves are provided on the top of the testing platform, two sliders are symmetrically arranged inside the slide groove, a roller is slidably arranged on the top of the guide groove, the roller and the slider are connected by a connecting rod, and two measuring clamps are symmetrically arranged on the top of the testing platform, and the side wall of the testing platform is rotatably connected with a first knob and a second knob, the side wall of the first knob is provided with a first positive and negative threaded rod, the second rotating side wall is provided with a second positive and negative threaded rod, and the side wall of the second knob is provided with a torsion spring. During testing, the second knob is first rotated to drive the second positive and negative threaded rod to rotate and squeeze the torsion spring, and the screw rod structure is used to push the two measuring clamps away from each other, the steering wheel is placed on the top of the testing platform, and the first knob is rotated to rotate. A knob drives the first positive and negative threaded rod to rotate, and the screw structure is used to push the two sliders away from each other, and the connecting rod is used to push the four rollers to expand and abut against the inner wall of the steering wheel grip to center the steering wheel grip. The second knob is loosened, and the torsion spring rebounds to drive the second positive and negative threaded rod to reverse, driving the two measuring clamps to approach and abut against the outer wall of the steering wheel grip. The outer diameter of the steering wheel grip is determined by measuring the scale line at the bottom of the clamp. At this time, the steering wheel grip is rotated so that its inner wall fits the rotation of the four rollers. When the steering wheel grip rotates, the distance between the two measuring clamps remains unchanged, which means that the steering wheel grip is a perfect circle, which is convenient for measuring the diameter of the steering wheel grip and detecting its shape at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the implementation of the utility model, the utility model will be described in detail below in combination with the drawings and detailed implementation. Obviously, the drawings described below are only some implementations of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0019] Figure 1 This is the overall structure diagram of a tooling for detecting the shape and size of an automobile steering wheel according to the utility model;

[0020] Figure 2 This is a structural diagram of a tooling test bench for testing the shape and size of an automobile steering wheel according to the utility model;

[0021] Figure 3 This is a structural diagram of a centering component of a tooling for detecting the shape and size of an automobile steering wheel according to the utility model;

[0022] Figure 4 This is a structural diagram of a measuring splint for a vehicle steering wheel shape and size detection tooling of the utility model;

[0023] Figure 5 The utility model is a structural diagram of a limit assembly of a tooling for detecting the shape and size of an automobile steering wheel. DETAILED DESCRIPTION

[0024] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0025] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the implementation of the present invention, for the sake of convenience, the cross-sectional diagram showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagram is only an example, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0026] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0027] The utility model provides a tool for detecting the shape and size of a steering wheel of an automobile. A slide groove and four symmetrical guide grooves are provided on the top of a detection platform. Two sliding blocks are symmetrically arranged inside the slide groove. A roller is slidably arranged on the top of the guide groove. The roller and the sliding block are connected by a connecting rod. Two measuring clamps are also symmetrically arranged on the top of the detection platform. A first knob and a second knob are rotatably connected to the side wall of the detection platform. A first positive and negative threaded rod is provided on the side wall of the first knob. A second positive and negative threaded rod is provided on the side wall of the second knob. A torsion spring is provided on the side wall of the second knob. When detecting, the second knob is first rotated to drive the second positive and negative threaded rod to rotate and squeeze the torsion spring. The screw rod structure is used to push the two measuring clamps away from each other, and the steering wheel is placed on the detection platform. At the top of the table, rotate the first knob to drive the first positive and negative threaded rod to rotate, use the screw structure to push the two sliders away from each other, use the connecting rod to push the four rollers to unfold and abut against the inner wall of the steering wheel grip, center the steering wheel grip, loosen the second knob, and the torsion spring rebounds to drive the second positive and negative threaded rod to reverse, drive the two measuring clamps to approach and abut against the outer wall of the steering wheel grip, and judge the outer diameter of the steering wheel grip by measuring the scale line at the bottom of the clamp. At this time, rotate the steering wheel grip so that its inner wall fits the rotation of the four rollers. When the steering wheel grip rotates, the distance between the two measuring clamps remains unchanged, which means that the steering wheel grip is a perfect circle, which is convenient for measuring the diameter of the steering wheel grip and detecting its shape at the same time.

[0028] Figure 1-5 The following is a schematic diagram of a structure of a vehicle steering wheel shape and size detection tooling implementation method of the utility model, please refer to Figure 1-Figure 5 In this embodiment, a vehicle steering wheel shape and size detection tool includes a detection platform 100, a centering component 200, a measuring clamp plate 300 and a limit component 400.

[0029] A slide groove 110 is provided at the center of the top of the testing platform 100, and a first knob 120 is rotatably connected to the side wall of the testing platform 100. A first positive and negative threaded rod 130 is installed on the side wall of the first knob 120, and the first positive and negative threaded rod 130 extends into the interior of the slide groove 110. Four second guide grooves 140 are symmetrically provided on the top of the testing platform 100 with the first guide groove 111 as the center, and two second slide grooves 150 are symmetrically provided on the top of the testing platform 100. A second knob 160 is rotatably connected to the side wall of the testing platform 100, and a torsion spring is provided at the connection between the second knob 160 and the side wall of the testing platform 100. A second positive and negative threaded rod 170 is installed on the side wall of the second knob 160, and the second positive and negative threaded rod 170 extends into the interior of the second slide groove 150. The side wall of the testing platform 100 has a scale line 190 below the second slide groove 150, and a guide rod 180 is installed inside another second slide groove 150. A circle of dense teeth is evenly arranged on the outer wall of the first knob 120.

[0030] The centering assembly 200 includes two sliders 210 symmetrically slidably connected to the inside of the slide groove 110, four rollers 220 slidably connected to the top of the second guide groove 140, and a connecting rod 230 hinged at the top of the roller 220, wherein the other ends of the two connecting rods 230 on the left are hinged to the top of one of the sliders 210, and the other ends of the two connecting rods 230 on the right are hinged to the top of the other slider 210, and the side wall of the slider 210 is provided with a first threaded hole 211, and the first positive and negative threaded rod 130 rotates through the first threaded hole 211, and a sliding rod 221 is installed at the bottom of the roller 220, and the sliding rod 221 extends into the inside of the second guide groove 140, and the symmetrical side walls of the slide groove 110 are provided with the first guide groove 111, and the symmetrical side walls of the slider 210 are provided with guide grooves. The guide block 212 extends into the first guide groove 111. By placing the steering wheel handle on the top of the test bench 100, the first knob 120 is rotated to drive the first positive and negative threaded rod 130 to rotate. When the first positive and negative threaded rod 130 rotates, the screw structure is used to push the two sliders 210 away from each other. When the slider 210 on the left moves to the left, the two connecting rods 230 on the left are squeezed, and the two rollers 220 on the left are pushed to slide and unfold along the two second guide grooves 140 on the left. When the slider 210 on the right moves to the right, the two connecting rods 230 on the right are squeezed, and the two rollers 220 on the right are pushed to slide and unfold along the second guide grooves 140 on the right, until the four rollers 220 are all in contact with the inner wall of the steering wheel handle, and the steering wheel handle is clamped and centered.

[0031] There are two measuring clamps 300 and they are symmetrically located on the top of the testing platform 100. A slide plate 310 is installed at the bottom of the measuring clamp 300. The slide plate 310 extends into the second slide groove 150. A second threaded hole 320 is opened on the side wall of the slide plate 310. The second positive and negative threaded rod 170 rotates and passes through the second threaded hole 320. A guide hole 330 is opened on the side wall of the other slide plate 310. The guide rod 180 passes through the guide hole 330. First, the second knob 160 is rotated to drive the second positive and negative threaded rod 170 to rotate and squeeze the torsion spring. The screw structure is used to push the two measuring clamps 300 away from each other, and the steering wheel is turned. The handle is placed on the top of the test bench 100 and centered by the centering assembly 200, then the second knob 160 is loosened, and the torsion spring drives the second knob 160 and the second positive and negative threaded rod 170 to flip, pushing the two measuring clamps 300 to approach each other and abut against the outer wall of the steering wheel handle, observing the position of the bottom of the slide plate 310 on the scale line 190 to determine the outer diameter of the steering wheel handle, and at the same time rotating the steering wheel handle to make the inner wall of the steering wheel handle slide along the roller 220, observing the scale line 190 to determine whether the position of the two measuring clamps 300 has changed, if not, it means that the shape of the steering wheel handle is qualified.

[0032] The limiting assembly 400 includes a fixed frame 410 installed on the side wall of the detection platform 100, a limiting block 420 slidably connected to the inside of the fixed frame 410, and a spring 430 installed on the side wall of the limiting block 420. The other side wall of the limiting block 420 is provided with a limiting groove 440, and the inner wall of the limiting groove 440 is provided with a circle of dense teeth. By pulling the limiting block 420 to slide into the inside of the fixed frame 410 and squeezing the spring 430, the first knob 120 is separated from the inside of the limiting groove 440, and the first knob 120 is rotated to adjust the position of the roller 220. After the adjustment is completed, the limiting block 420 is released, and the spring 430 rebounds to push the rod limiting block 420 to move toward the first knob 120 until the first knob 120 is embedded in the limiting groove 440, and the outer wall teeth of the first knob 120 and the inner wall teeth of the limiting groove 440 are engaged with each other to limit and fix the first knob 120.

[0033] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A tool for detecting the shape and size of a car steering wheel, characterized in that: include: The detection platform (100) has a slide groove (110) at the center of the top of the detection platform (100), a first knob (120) is rotatably connected to the side wall of the detection platform (100), a first positive and negative threaded rod (130) is installed on the side wall of the first knob (120), and the first positive and negative threaded rod (130) extends into the inside of the slide groove (110), and four second guide grooves (140) are symmetrically opened on the top of the detection platform (100) with the first guide groove (111) as the center, and the top of the detection platform (100) The detection platform (100) has two second slide grooves (150) symmetrically arranged on the side wall, the detection platform (100) is rotatably connected with a second knob (160), a torsion spring is provided at the connection between the second knob (160) and the side wall of the detection platform (100), a second positive and negative threaded rod (170) is installed on the side wall of the second knob (160), the second positive and negative threaded rod (170) extends into the interior of the second slide groove (150), and the side wall of the detection platform (100) has a scale line (190) below the second slide groove (150); A centering component (200) comprises two sliders (210) symmetrically slidably connected to the inside of the slide groove (110), four rollers (220) respectively slidably connected to the top of the second guide groove (140), and a connecting rod (230) hinged to the top of the roller (220), wherein the other ends of the two connecting rods (230) on the left are hinged to the top of one of the sliders (210), and the other ends of the two connecting rods (230) on the right are hinged to the top of the other slider (210), a first threaded hole (211) is opened on the side wall of the slider (210), the first positive and negative threaded rod (130) rotates through the first threaded hole (211), a sliding rod (221) is installed at the bottom of the roller (220), and the sliding rod (221) extends into the inside of the second guide groove (140); A measuring clamp (300), wherein the measuring clamp (300) is two and symmetrically located on the top of the testing platform (100), a slide plate (310) is installed at the bottom of the measuring clamp (300), the slide plate (310) extends into the second slide groove (150), a second threaded hole (320) is opened on the side wall of the slide plate (310), and the second positive and negative threaded rod (170) rotates through the second threaded hole (320).

2. The automobile steering wheel shape and size detection tool according to claim 1, characterized in that: A first guide groove (111) is formed on the symmetrical side wall of the slide groove (110), and a guide block (212) is installed on the symmetrical side wall of the slide block (210), and the guide block (212) extends into the interior of the first guide groove (111).

3. The automobile steering wheel shape and size detection tool according to claim 2, characterized in that: A guide rod (180) is installed inside another of the second sliding grooves (150).

4. The automobile steering wheel shape and size detection tool according to claim 3, characterized in that: A guide hole (330) is formed on the side wall of the other slide plate (310), and the guide rod (180) passes through the guide hole (330).

5. The automobile steering wheel shape and size detection tool according to claim 4, characterized in that: The outer wall of the first knob (120) is evenly provided with a circle of densely packed teeth.

6. The automobile steering wheel shape and size detection tool according to claim 5, characterized in that: The invention also comprises a limit assembly (400), wherein the limit assembly (400) comprises a fixed frame (410) mounted on the side wall of the detection platform (100), a limit block (420) slidably connected to the inside of the fixed frame (410), and a spring (430) mounted on the side wall of the limit block (420); a limit groove (440) is provided on the other side wall of the limit block (420); and a circle of dense tooth grooves is provided on the inner wall of the limit groove (440).

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