Force measuring clamp for steering wheel

Abstract

The utility model relates to the steering wheel detection field, and specifically discloses a steering wheel force measuring clamp comprising a base plate, the upper side of the base plate is provided with a steering force detector, the outer wall of the base plate is provided with a plurality of clamping mechanisms, each clamping mechanism comprises a slide groove arranged on the outer wall of the base plate in a penetrating manner, the inner part of each slide groove is slidably connected with a slide block, and the slide block is provided with a slide groove. The lower end face of the sliding block is fixedly connected with a first connecting shaft, the lower end face of the first connecting shaft is fixedly connected with a clamping plate, the clamping mechanism further comprises a rotating shaft which penetrates through and is rotationally connected to the interior of the bottom plate, the outer wall of the rotating shaft is fixedly connected with a second gear, and the lower end face of the rotating shaft is fixedly connected with a first connecting rod; synchronous radial movement of the multiple clamping mechanisms can be achieved, all the clamping plates can adapt to the size change of the steering wheel and apply force evenly, the design does not need to repeatedly adjust a single clamping plate, the operation process is remarkably simplified, meanwhile, it is ensured that steering wheels of different diameters are rapidly and stably clamped, and the universality and detection efficiency of the clamp are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to steering wheel detection field, specifically disclose a steering wheel force measuring fixture. BACKGROUND

[0002] Steering wheel steering force refers to the maximum tangential force acting on the outer edge of the steering wheel under certain driving conditions, and the size of the automobile steering force directly affects the safety and control stability of vehicle driving, and too large or too small steering force is not conducive to driving safety and operation, and the steering wheel steering force can be detected by a steering parameter measuring instrument or a steering force measuring instrument. The steering parameter measuring instrument or the steering force measuring instrument is generally installed on the steering wheel force measuring fixture, and then the steering wheel is fixed by the steering wheel force measuring fixture for detection.

[0003] Chinese patent CN217466060U discloses a kind of steering wheel force measuring fixture, belong to steering wheel detection technical field.The utility model is specifically related to a kind of steering wheel force measuring fixture, including fixed device, sliding chamber, first positioning bolt and first gasket, fixed device includes sliding part, sliding part can be freely slid along the first sliding channel of sliding chamber, first positioning bolt is sequentially passed through first gasket, the second sliding channel of sliding chamber is matched with the first positioning thread hole of the upper end of sliding part, so as to be able to be fixed on the steering wheel of the steering wheel force measuring fixture.The utility model is small in size, easy to install, expand the operation space of detection personnel and ensure that steering wheel is not abraded while fixing steering wheel.

[0004] The steering wheel force measuring fixture disclosed in the above document needs to adjust the positions of the two fixed devices when detecting steering wheels of different specifications, and then clamps the fixed devices on the outer wall of the steering wheel, which is relatively cumbersome to operate, therefore, a steering wheel force measuring fixture is needed to solve this problem. UTILITY MODEL CONTENTS

[0005] The utility model provides a kind of steering wheel force measuring fixture, by rotating threaded rod can drive multiple clamping plates synchronous to steering wheel movement, can be clamped on steering wheel of different specifications, easy to operate.

[0006] The utility model is implemented as follows: a kind of steering wheel force measuring fixture, including bottom plate, the upper side of the bottom plate is provided with steering force detector, the outer wall of the bottom plate is provided with multiple clamping mechanisms, the clamping mechanism includes the sliding slot of being opened in the outer wall of bottom plate and being penetrated, the inside of the sliding slot is slidably connected with sliding block, the lower end surface of the sliding block is fixedly connected with first connecting shaft, the lower end surface of the first connecting shaft is fixedly connected with clamping plate, the clamping mechanism further includes the rotating shaft that is penetrated and is connected in the inside of bottom plate, the outer wall of the rotating shaft is fixedly connected with second gear, the lower end surface of the rotating shaft is fixedly connected with first connecting rod, the other end of the first connecting rod is rotatably connected with second connecting rod, the other end of the second connecting rod is rotatably connected with first connecting shaft.

[0007] The lower end surface of the bottom plate is fixedly connected with a second connecting shaft, and the outer wall of the second connecting shaft is rotationally connected with a first gear, and a plurality of second gears are in meshing connection with the first gear.

[0008] As one of the steering wheel force measuring clamps of the utility model, the inside of one of the sliding grooves is rotationally connected with a threaded rod, and one of the sliding blocks is in threaded connection with the threaded rod.

[0009] As one of the steering wheel force measuring clamps of the utility model, the inside of the rest of the sliding grooves is fixedly connected with sliding rods, and the rest of the sliding blocks are in sliding connection with the sliding rods respectively.

[0010] As one of the steering wheel force measuring clamps of the utility model, the upper end surface of the bottom plate is fixedly connected with a mounting plate through a stand column, and the steering force detector is mounted on the upper end surface of the mounting plate.

[0011] As one of the steering wheel force measuring clamps of the utility model, the upper end surface of the bottom plate is rotationally connected with a handle through a connecting shaft.

[0012] As one of the steering wheel force measuring clamps of the utility model, the inner wall of the clamping plate is provided with a rubber pad.

[0013] The utility model discloses a kind of steering wheel force measuring clamps, including bottom plate, clamping plate, sliding block, sliding groove, handle, steering force detector, mounting plate, stand column, connecting shaft, first connecting rod, second connecting rod, first gear, second gear and shaft, the bottom plate is fixedly connected with the clamping plate, and the clamping plate is provided with a plurality of sliding blocks.

[0014] 1, by threaded rod, sliding block, sliding rod, first connecting rod, second connecting rod, first gear, second gear and shaft cooperation, the synchronous radial motion of multiple clamping mechanisms can be realized, so that all clamping plates can adapt to the size change of steering wheel and uniformly force, the design does not need to repeatedly adjust single clamping plate, significantly simplify operation process, while ensuring the quick, stable clamping of different diameter steering wheel, improve the versatility and detection efficiency of clamp.

[0015] 2, adopt linkage and gear mechanical transmission system to realize rigid synchronous clamping, avoid the problem of skidding or deviation caused by uneven force of traditional clamp;Meanwhile, rubber pad is additionally arranged in the inner wall of clamping plate, which not only enhances clamping friction, but also prevents scratching the surface of steering wheel by hard contact, and meets the dual needs of detection accuracy and equipment protection. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or prior art description. In all the drawings, similar elements or parts are generally identified by similar reference signs. In the drawings, various elements or parts are not necessarily drawn according to the actual proportion.

[0017] Figure 1The utility model discloses a whole structure diagram of a steering wheel force measuring clamp.

[0018] Figure 2 The utility model discloses a main view sectional view of a steering wheel force measuring clamp.

[0019] Figure 3 The utility model discloses a bottom structure diagram of a steering wheel force measuring clamp.

[0020] Figure 4 The utility model discloses a structure diagram of a clamp plate.

[0021] Marked, 1, bottom plate;2, sliding slot;3, sliding block;4, first connecting shaft;5, clamp plate;6, second connecting shaft;7, first gear;8, rotating shaft;9, second gear;10, first connecting rod;11, second connecting rod;12, sliding rod;13, threaded rod;14, mounting plate;15, steering force detector;16, handle;17, rubber pad. Specific implementation

[0022] The utility model makes further explanation in combination with the drawings and specific embodiment, to help understanding the contents of the utility model. The method used in the utility model is the conventional method if no special provision, and the raw material and device used are the conventional market products if no special provision.

[0023] Please refer to Figures 1-4 A kind of steering wheel force measuring clamp, including bottom plate 1, the upper side of bottom plate 1 is provided with steering force detector 15, the outer wall of bottom plate 1 is provided with multiple clamping mechanisms, clamping mechanism includes the sliding slot 2 that is passed through and is set to the outer wall of bottom plate 1, the inside sliding connection of sliding slot 2 has sliding block 3, the lower end surface of sliding block 3 is fixedly connected with first connecting shaft 4, the lower end surface of first connecting shaft 4 is fixedly connected with clamp plate 5, clamping mechanism further includes rotating shaft 8 that is passed through and is rotatably connected in the inside of bottom plate 1, the outer wall of rotating shaft 8 is fixedly connected with second gear 9, the lower end surface of rotating shaft 8 is fixedly connected with first connecting rod 10, the other end of first connecting rod 10 is rotatably connected with second connecting rod 11, the other end of second connecting rod 11 is rotatably connected with first connecting shaft 4;

[0024] The lower end surface center of bottom plate 1 is fixedly connected with second connecting shaft 6, the outer wall of second connecting shaft 6 is rotatably connected with first gear 7, multiple second gears 9 are all meshed with first gear 7.

[0025] In the embodiment, the bottom plate 1 is placed above the steering wheel to be detected, the steering wheel is located between the clamping plates 5, the threaded rod 13 is rotated, the threaded rod 13 drives one of the sliding blocks 3 to move towards the steering wheel, and then the first connecting shaft 4 drives one of the clamping plates 5 to move towards the steering wheel, when the first connecting shaft 4 moves towards the steering wheel, the second connecting rod 11 further drives the first connecting rod 10 to rotate, and then the rotating shaft 8 is driven to rotate, the rotating shaft 8 further drives the second gear 9 to rotate, and then the first gear 7 is driven to rotate, the first gear 7 further drives the remaining rotating shafts 8 to rotate, and then the first connecting rod 10 and the second connecting rod 11 drive the remaining sliding blocks 3 to synchronously slide along the slide rods 12 towards the steering wheel, and then the clamping plates 5 are synchronously moved towards the steering wheel, the clamping plates 5 are clamped and fixed on the outer wall of the steering wheel, so that the bottom plate 1 and the steering force detector 15 are fixed, when the bottom plate 1 is rotated, the steering wheel is driven to rotate, and the steering force detection experiment can be performed, the steering force detector is provided with a torque sensor, when the steering wheel is rotated, the torque sensor converts the torsional force applied on the steering shaft into an electric signal, and the torque value is calculated through calibration, which is prior art and will not be described in detail, the threaded rod 13 can drive the clamping plates 5 to synchronously move towards the steering wheel, different specifications of steering wheels can be clamped, and the operation is simple.

[0026] As a technical optimization scheme of the utility model, the threaded rod 13 is rotatably connected in one of the sliding grooves 2.

[0027] In the embodiment, the threaded rod 13 is rotated to drive one of the clamping plates 5 to move towards the steering wheel, and the self-locking property of the threaded rod 13 and the sliding block 3 is utilized to fix the clamping plate 5.

[0028] As a technical optimization scheme of the utility model, the slide rods 12 are fixedly connected in the remaining sliding grooves 2, and the remaining sliding blocks 3 are slidably connected with the slide rods 12.

[0029] In the embodiment, the slide rod 12 is utilized to limit the sliding block 3, so that the sliding block 3 moves stably.

[0030] As a technical optimization scheme of the utility model, the mounting plate 14 is fixedly connected to the upper end surface of the bottom plate 1 through the stand column, and the steering force detector 15 is mounted on the upper end surface of the mounting plate 14.

[0031] In the embodiment, the steering force detector 15 is detachably connected to the upper end surface of the mounting plate 14 through the bolt, so that the steering force detector 15 can be easily disassembled for maintenance.

[0032] As a technical optimization scheme of the utility model, the handle 16 is rotatably connected to the upper end surface of the bottom plate 1 through the connecting shaft.

[0033] In the embodiment, the bottom plate 1 is conveniently rotated through the handle 16, saving time and effort.

[0034] As a technical optimization scheme of the utility model, the inner wall of the clamping plate 5 is provided with a rubber pad 17.

[0035] In the embodiment, the rubber pad is arranged on the inner wall of the clamping plate 5, so that the friction between the clamping plate 5 and the steering wheel is increased, and the steering wheel is protected.

[0036] The working principle and use process of the utility model are as follows: in use, first, the bottom plate 1 is placed above the steering wheel to be detected, and the steering wheel is located between the plurality of clamping plates 5, then the threaded rod 13 is rotated, the threaded rod 13 drives one of the sliding blocks 3 to move towards the steering wheel, and then the first connecting shaft 4 drives one of the clamping plates 5 to move towards the steering wheel, when the first connecting shaft 4 moves towards the steering wheel, the second connecting rod 11 further drives the first connecting rod 10 to rotate, and then drives the rotating shaft 8 to rotate, the rotating shaft 8 further drives the second gear 9 to rotate, and then drives the first gear 7 to rotate, the first gear 7 further drives the remaining plurality of rotating shafts 8 to rotate, and then the first connecting rod 10 and the second connecting rod 11 drive the remaining plurality of sliding blocks 3 to slide along the slide rod 12 towards the steering wheel synchronously, and then drive the plurality of clamping plates 5 to move towards the steering wheel synchronously, and are clamped and fixed on the outer wall of the steering wheel, so that the bottom plate 1 and the steering force detector 15 are fixed, when the bottom plate 1 is rotated, the entire steering wheel can be driven to rotate, and the steering force detection experiment can be performed, the plurality of clamping plates 5 can be driven to move towards the steering wheel synchronously through the rotation of the threaded rod 13, and can be clamped on steering wheels of different specifications, and the operation is simple.

[0037] In the description of the utility model, it should be understood that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inner", "outer", "back", "middle" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore it cannot be understood as a limitation on the utility model.

[0038] The above is only a specific embodiment of the utility model, and cannot limit the scope of the utility model, so the replacement of equivalent components or equivalent changes and modifications made within the scope of the utility model patent protection should still fall within the scope of the utility model claims.

Claims

1. A steering wheel force measuring fixture, comprising a base plate (1), wherein a steering force measuring instrument (15) is disposed on the upper side of the base plate (1), characterized in that: The outer wall of the base plate (1) is provided with a plurality of clamping mechanisms. The clamping mechanism includes a sliding groove (2) that passes through the outer wall of the base plate (1). A slider (3) is slidably connected inside the sliding groove (2). A first connecting shaft (4) is fixedly connected to the lower end face of the slider (3). A clamping plate (5) is fixedly connected to the lower end face of the first connecting shaft (4). The clamping mechanism also includes a rotating shaft (8) that passes through and is rotatably connected inside the base plate (1). A second gear (9) is fixedly connected to the outer wall of the rotating shaft (8). A first connecting rod (10) is fixedly connected to the lower end face of the rotating shaft (8). A second connecting rod (11) is rotatably connected to the other end of the first connecting rod (10). The other end of the second connecting rod (11) is rotatably connected to the first connecting shaft (4). A second connecting shaft (6) is fixedly connected to the center of the lower end face of the base plate (1). A first gear (7) is rotatably connected to the outer wall of the second connecting shaft (6). Multiple second gears (9) are meshed with the first gear (7).

2. The steering wheel force measuring fixture according to claim 1, characterized in that: One of the slides (2) is internally rotatably connected to a threaded rod (13), and one of the sliders (3) is threadedly connected to the threaded rod (13).

3. A steering wheel force measuring fixture according to claim 2, characterized in that: The remaining slide grooves (2) are fixedly connected to slide rods (12), and the remaining sliders (3) are slidably connected to multiple slide rods (12).

4. A steering wheel force measuring fixture according to claim 1, characterized in that: The upper end face of the base plate (1) is fixedly connected to the mounting plate (14) by a column, and the steering force detector (15) is installed on the upper end face of the mounting plate (14).

5. A steering wheel force measuring fixture according to claim 1, characterized in that: The upper end face of the base plate (1) is rotatably connected to a handle (16) via a coupling.

6. A steering wheel force measuring fixture according to claim 1, characterized in that: The inner wall of the clamp (5) is provided with a rubber pad (17).

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