CN219380460U - Automatic centering device of force measuring steering wheel - Google Patents

Abstract

The utility model discloses an automatic centering device for a force measuring steering wheel, and belongs to the technical field of automobile steering wheel testing equipment. The clamping assembly comprises clamping jaws which are connected in a sliding manner, and the clamping jaws are close to or far away from the circle center of the gear assembly to slide. The connecting relation among the clamping jaw, the sliding block, the screw rod and the gear assembly is arranged, so that the three clamping jaws can clamp the force-measuring steering wheel simultaneously, the force-measuring steering wheel is stressed simultaneously in all directions, the position centering of the force-measuring steering wheel is ensured, and the situation of position deviation is avoided.

Description

Automatic centering device of force measuring steering wheel

Technical Field

The application relates to the technical field of automobile steering wheel test equipment, in particular to an automatic centering device for a force measuring steering wheel.

Background

With the development of economy, automobiles have become an important tool for people to travel daily. In the automobile design development process, a large amount of test work is required to be carried out on each component, each system and the whole automobile, so that the quality safety of the automobile can be ensured. In the testing process of the automobile steering system, a steering wheel is required to be tested, and then the steering wheel is used for measuring the rotation angle and the moment applied by a driver on the steering wheel.

Chinese patent publication No. CN210375496U discloses a force measuring steering wheel mounting device and a steering wheel force measuring device, comprising a mounting base and a centering mechanism; the mounting base comprises a positioning plate, a plurality of fixing pieces and a plurality of adjusting screws, one end of each adjusting screw is connected with each fixing piece, and the other end of each adjusting screw is connected with the positioning plate; the centering mechanism comprises a first positioning rod and a second positioning rod, wherein the first positioning rod is internally provided with internal threads, the second positioning rod comprises a first cylinder, a second cylinder and a third cylinder, the second cylinder and the third cylinder are respectively arranged at two ends of the first cylinder, the second cylinder and the third cylinder are respectively provided with external threads, the second cylinder is connected with the first positioning rod, and the third cylinder is connected with the positioning plate. The three fixing pieces in the patent product can clamp the force-measuring steering wheel, but the clamping process of the three fixing pieces (namely clamping jaws in the application) is independent, and when one fixing piece clamps the force-measuring steering wheel, the force-measuring steering wheel can possibly shift to the other fixing piece, so that the force-measuring steering wheel can shift after clamping.

Therefore, it is highly desirable to invent a force measuring steering wheel automatic centering device capable of simultaneously adjusting a plurality of clamping jaws to clamp a force measuring steering wheel.

It should be noted that the information disclosed in the foregoing background section is only for enhancement of understanding of the background of the present application and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of Invention

In view of at least one of the above technical problems, the present application provides an automatic force measuring steering wheel centering device.

According to an aspect of the application, a force measurement steering wheel automatic centering device is provided, which is characterized by comprising a gear assembly, wherein the gear assembly is connected with a plurality of clamping assemblies, the plurality of clamping assemblies are distributed on the circumferential direction of the outer side wall of the gear assembly, the clamping assemblies comprise clamping jaws which are connected in a sliding manner, and the clamping jaws slide close to or far away from the center position of the gear assembly.

In one implementation, the plurality of clamping assemblies are evenly distributed in the circumferential direction of the outer sidewall of the gear assembly.

In one implementation, the clamping assembly includes a clamping arm slidably coupled to a slider coupled to the jaw.

In one implementation, the clamping arm is rotationally connected with a screw rod, the screw rod is in threaded connection with a sliding block, the sliding block comprises a sliding convex part, a sliding groove is formed in the inner side wall of the clamping arm, and the sliding convex part is in sliding connection with the sliding groove.

In one implementation, the gear assembly comprises a gear box, the gear box is fixedly connected with the clamping arm, one end of the screw rod, which is close to the gear box, stretches into the gear box and is fixedly connected with the transmission gear, the clamping assemblies are in one-to-one correspondence with the transmission gears, the transmission gears are sequentially in meshed connection and are not connected end to end, and the transmission gears are positioned in the gear box.

In one implementation, the end of the screw remote from the gearbox is fixedly connected to a wrench turning block.

In one implementation mode, the sliding block is provided with a mounting sliding groove, a connecting bolt is slidingly connected with the mounting sliding groove, one end of the bolt is fixedly connected with the clamping jaw, and the other end of the bolt is sleeved with a limit gasket and then is in threaded connection with a locking nut.

The application has the following technical effects:

this application is through having set up clamping jaw, slider, lead screw, the relation of connection between the gear assembly for three clamping jaw can press from both sides tightly the dynamometry steering wheel simultaneously, and the dynamometry steering wheel is atress simultaneously in each direction, has guaranteed the position centering of dynamometry steering wheel, avoids appearing the condition of position deviation.

The present application is further described below with reference to the accompanying drawings and examples.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following description will briefly explain the embodiments or the drawings needed in the prior art, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the structure of one view angle of the present application;

FIG. 2 is a schematic structural view of yet another perspective of the present application;

FIG. 3 is a schematic view of a further view of the present application;

FIG. 4 is a schematic top view of the present application;

FIG. 5 is a schematic side view of the present application;

fig. 6 is a schematic structural view of yet another view of the present application.

Reference numerals: 1. a gear assembly; 1a, a gear box; 2. a clamping assembly; 2a, clamping jaw; 2b, clamping arms; 2b-1, a chute; 2c, a sliding block; 2c-1, a sliding part; 2c-2, installing a chute; 2d, a screw rod; 3. a wrench rotating block; 4. a limiting gasket; 5. and (5) locking the nut.

Detailed Description

In order to make the above objects, features and advantages of the present application more comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is, however, susceptible of embodiment in many other forms than those described herein and similar modifications can be made by those skilled in the art without departing from the spirit of the application, and therefore the application is not to be limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements being referred to must have a specific orientation, be configured and operated in a specific orientation, and are not to be construed as limiting the present application.

In the description of the present application, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of technical features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present application, the meaning of "plurality" is at least two, such as two, three, etc., unless explicitly defined otherwise.

In the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to the specific circumstances.

In one embodiment of the present application, as shown in fig. 1 to 6, a force measuring steering wheel automatic centering device is provided.

As shown in fig. 1 and 2, an automatic centering device for a force measuring steering wheel comprises a gear assembly 1, in this embodiment, the gear assembly 1 comprises a gear box 1a, three transmission gears are arranged in the gear box 1a, and the three transmission gears are sequentially meshed and connected and are not connected end to end, so that one transmission gear rotates to drive the other two transmission gears to rotate.

The gear assembly 1 is connected with three clamping assemblies 2, namely three transmission gears in the gear assembly 1 are respectively connected with the three clamping assemblies 2. The three clamping assemblies 2 are distributed in the circumferential direction of the outer side wall of the gear assembly 1, and in this embodiment, the three clamping assemblies 2 are uniformly distributed in the circumferential direction of the outer side wall of the gear assembly 1, i.e. the included angle between two adjacent clamping assemblies 2 is 120 °.

As shown in fig. 3, the clamping assembly 2 comprises a clamping arm 2b, the clamping arm 2b being slidably connected to a slider 2c, the slider 2c being connected to the clamping jaw 2a, whereby a sliding connection of the clamping jaw 2a is possible. The three clamping jaws 2a are arranged on the circumference of the outer side wall of the gear box 1a in the gear assembly 1, and the clamping jaws 2a slide close to or far from the circle center of the gear assembly 1, so that the clamping jaws 2a can clamp or unclamp a force measuring steering wheel.

As shown in fig. 3 and 6, in a specific structure for realizing sliding of the slider 2c, the clamping arm 2b is rotatably connected with the screw rod 2d, the screw rod 2d is in threaded connection with the slider 2c, the slider 2c comprises a sliding protrusion 2c-1, a sliding groove 2b-1 is formed in the inner side wall of the clamping arm 2b, and the sliding protrusion 2c-1 is in sliding connection with the sliding groove 2 b-1.

The gear box 1a is fixedly connected with the clamping arm 2b, one end of the screw rod 2d, which is close to the gear box 1a, stretches into the gear box 1a and is fixedly connected with the transmission gears, and the three clamping assemblies 2 correspond to the three transmission gears one by one.

As shown in fig. 3 and 5, one end of the screw rod 2d far from the gear box 1a is fixedly connected with the wrench rotating block 3, so that the wrench rotating block 3 is rotated to drive the screw rod 2d to rotate, so that the clamping jaw 2a slides, and at the same time, the transmission gear rotates.

As shown in fig. 1, 3 and 4, for one of the clamping assemblies 2, the position of the clamping jaw 2a relative to the sliding block 2c can be adjusted, specifically, the sliding block 2c is provided with a mounting sliding chute 2c-22b-1, the mounting sliding chute 2c-22b-1 is connected with a bolt in a sliding manner, one end of the bolt is fixedly connected with the clamping jaw 2a, and the other end of the bolt is sleeved with a limiting gasket 4 and then is connected with a locking nut 5 in a threaded manner. For the other two clamping assemblies 2, the clamping jaw 2a is fixed in position relative to the slide 2 c.

The operation of this embodiment will be further described below:

the wrench rotating block 3 is rotated to drive the screw rod 2d to rotate, and meanwhile, the transmission gears rotate, namely, three transmission gears simultaneously rotate;

the three transmission gears rotate simultaneously, so that the three screw rods 2d are driven to rotate simultaneously, and finally the three clamping jaws 2a clamp or unclamp the force-measuring steering wheel simultaneously.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the present application in any way. Any person skilled in the art may make many possible variations and modifications to the technical solution of the present application, or modify equivalent embodiments, using the methods and technical contents disclosed above, without departing from the scope of the technical solution of the present application. Therefore, all equivalent changes according to the shape, structure and principle of the present application are covered in the protection scope of the present application.

Claims (7)

1. The utility model provides a dynamometry steering wheel automatic centering device, its characterized in that includes gear assembly, gear assembly is connected with a plurality of clamping components, and a plurality of clamping components distributes on gear assembly's lateral wall circumferencial direction, clamping components includes sliding connection's clamping jaw, the clamping jaw is close to or keeps away from gear assembly's centre of a circle position slides.

2. The device according to claim 1, wherein a plurality of the clamping assemblies are uniformly distributed in the circumferential direction of the outer side wall of the gear assembly.

3. The device according to claim 1, wherein the clamping assembly comprises a clamping arm slidably coupled to a slider coupled to the jaw.

4. The automatic centering device for the force measuring steering wheel according to claim 3, wherein the clamping arm is rotatably connected with a screw rod, the screw rod is in threaded connection with the sliding block, the sliding block comprises a sliding protrusion, a sliding groove is formed in the inner side wall of the clamping arm, and the sliding protrusion is in sliding connection with the sliding groove.

5. The automatic centering device for the force measuring steering wheel according to claim 4, wherein the gear assembly comprises a gear box, the gear box is fixedly connected with the clamping arm, one end, close to the gear box, of the screw rod stretches into the gear box and is fixedly connected with a transmission gear, the clamping assembly corresponds to the transmission gears one by one, the transmission gears are sequentially meshed and connected and are not connected end to end, and the transmission gears are positioned in the gear box.

6. The automatic centering device of a force measuring steering wheel according to claim 5, wherein one end of the screw rod far away from the gear box is fixedly connected with a wrench rotating block.

7. The automatic centering device for the force measuring steering wheel according to claim 3, wherein the sliding block is provided with a mounting sliding groove, the mounting sliding groove is connected with a bolt in a sliding mode, one end of the bolt is fixedly connected with the clamping jaw, and the other end of the bolt is sleeved with a limiting gasket and then is connected with a locking nut in a threaded mode.