CN212738272U

CN212738272U - Automobile steering angle detection potentiometer capable of improving detection precision

Info

Publication number: CN212738272U
Application number: CN202021600831.XU
Authority: CN
Inventors: 赵乾杨; 杨辉
Original assignee: Henan Yuexin Intelligent Machinery Co ltd
Current assignee: Henan Yuexin Intelligent Machinery Co ltd
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2021-03-19
Anticipated expiration: 2030-08-05

Abstract

The utility model discloses a can improve car that detects precision turns to angle and detects and use potentiometre relates to automobile inspection equipment technical field, which comprises a housin, the detector body is installed in the front of casing, and the inside of casing is rotated and is connected with the axis of rotation, and the top of axis of rotation runs through the upper surface of casing and extends to the top of casing, and the surface mounting of axis of rotation has first gear. The utility model relates to a rational in infrastructure, it can be through first gear, the rack, the slider, cooperation setting between spout and the connecting rod, under the meshing effect of first gear and rack, the rack passes through the slider and slides in the spout, and under the effect of connecting plate, make the rack drive the connecting rod and remove, the purpose of two connecting rods stretching out or retracting in the casing has been realized simultaneously, the effect to the fixed centre gripping of different diameter steering wheels has been reached, the positive center department that has guaranteed that the detector body is located the steering wheel has improved the degree of accuracy of detector body measured data.

Description

Automobile steering angle detection potentiometer capable of improving detection precision

Technical Field

The utility model relates to an automobile inspection equipment technical field specifically is a can improve car steering angle that detects precision and detect and use potentiometre.

Background

The automobile detection is an inspection for determining the technical condition or the working capacity of an automobile, and in the using process of the automobile, along with the prolonging of the using time (or the increasing of the driving mileage), parts of the automobile are gradually worn, corroded, deformed and aged, the deterioration of lubricating oil and the like, so that the matching auxiliary gap is enlarged, loose movement, vibration, sounding, air leakage, water leakage, oil leakage and the like are caused, the technical performance of the automobile is reduced, and the core of the automobile maintenance operation (or called automobile maintenance operation) is to maintain the integrity of the technical condition of the automobile.

The automobile steering angle detection means that the angle formed by a central line when an automobile front wheel turns to the left or right to the limit position and the front wheel does not deflect is detected, most of the steering angle detectors detect the angle through a potentiometer installed in the instrument, but the traditional detectors cannot meet the requirement that steering wheels with different diameters are fixed in the middle, so that certain deviation exists in detection data, and the detectors easily slide off from the steering wheels to influence the measurement result. Therefore, the potentiometer structure for detecting the steering angle of the automobile is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

One) technical problem to be solved

The utility model aims at providing a can improve the automobile steering angle that detects precision and detect and use potentiometre in order to compensate prior art not enough.

II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a potentiometer for detecting the steering angle of car with high accuracy is composed of a casing with a main body, a rotary axle in said casing, the top of the rotating shaft penetrates through the upper surface of the shell and extends to the upper part of the shell, a first gear is arranged on the outer surface of the rotating shaft, the front side and the rear side of the inner wall of the shell are both provided with sliding grooves, the insides of the two sliding grooves are both connected with sliding blocks in a sliding way, one ends of the two sliding blocks, which are far away from the sliding grooves, are both provided with racks which are meshed with the first gear, the left side surface and the right side surface of the shell are both connected with connecting rods in a sliding way, one side surface of the two connecting rods which are close to each other is both provided with a connecting plate, one side of the connecting plate, which is far away from the connecting rod, is fixedly connected with one side of the rack, and clamping mechanisms are arranged on the top surface and the bottom surface of the two connecting rods.

Further, fixture includes the fixed plate, a side of fixed plate and the outer fixed surface of connecting rod are connected, the inside threaded connection of fixed plate has the screw rod, the one end rotation that the detector body was kept away from to the screw rod is connected with L type grip block.

Furthermore, the upper surface of the rotating shaft is provided with a rotating handle, the outer surface of the rotating shaft is provided with a second gear, and the second gear is positioned in a gap between the shell and the rotating handle.

Furthermore, a supporting block is mounted on the upper surface of the shell, a sliding rod is connected inside the supporting block in a sliding mode, and a clamping block is mounted on one side face, close to the second gear, of the sliding rod.

Furthermore, a spring is sleeved on the outer surface of the sliding rod, and two ends of the spring are fixedly connected with one side face, far away from the second gear, of the clamping block and the right side face of the supporting block respectively.

Furthermore, a limiting plate is installed on one side face, far away from the clamping block, of the sliding rod.

Thirdly), the beneficial effects are as follows:

compared with the prior art, the potentiometer structure for detecting the automobile steering angle has the following beneficial effects:

one, the utility model discloses a cooperation setting between first gear, rack, slider, spout and the connecting rod, under the meshing effect of first gear and rack, the rack passes through the slider and slides in the spout to under the effect of connecting plate, make the rack drive the connecting rod and remove, realized two connecting rods simultaneously in the casing stretch out or the purpose of withdrawal, reached the effect to the fixed centre gripping of different diameter steering wheels, guaranteed that the detector body is located the positive center department of steering wheel, improved detector body measured data's the degree of accuracy.

Two, the utility model discloses a set up fixture, the screw rod is through screw thread rotary motion in the fixed plate, realizes the purpose of fixed plate and L type grip block distance modulation, has reached the effect to steering wheel edge centre gripping, has improved the stability of detector body on the steering wheel, makes the detector body can not slide from the steering wheel when measuring, guarantees detector body measuring result's accuracy.

Drawings

Fig. 1 is a bottom perspective view of the housing of the present invention;

fig. 2 is a top cross-sectional view of the housing of the present invention;

fig. 3 is a partial top view of the housing of the present invention;

fig. 4 is a schematic structural diagram of the clamping mechanism of the present invention.

In the figure: 1. a housing; 2. a detector body; 3. a rotating shaft; 4. a first gear; 5. a rack; 6. a slider; 7. a chute; 8. a connecting plate; 9. a clamping mechanism; 901. a fixing plate; 902. a screw; 903. an L-shaped clamping plate; 10. a connecting rod; 11. turning a handle; 12. a second gear; 13. a slide bar; 14. a limiting plate; 15. a support block; 16. a clamping block; 17. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-4, the utility model provides a technical solution: a potentiometer for detecting the steering angle of an automobile, which can improve the detection precision, comprises a shell 1, a detector body 2 is arranged on the front surface of the shell 1, a rotating shaft 3 is rotatably connected inside the shell 1, and the top of axis of rotation 3 runs through the upper surface of casing 1 and extends to casing 1's top, the surface mounting of axis of rotation 3 has first gear 4, spout 7 has all been seted up to both sides around the casing 1 inner wall, the equal sliding connection in inside of two spout 7 has slider 6, the one end that spout 7 was kept away from to two slider 6 all is installed the rack 5 with first gear 4 engaged with, the equal sliding connection in left and right sides face of casing 1 has connecting rod 10, connecting plate 8 is all installed to the side that two connecting rod 10 are close to each other, connecting plate 8 keeps away from a side of connecting rod 10 and a side fixed connection of rack 5, fixture 9 is all installed with the bottom surface to the top surface of two connecting rods 10.

Further, the clamping mechanism 9 includes a fixing plate 901, a side surface of the fixing plate 901 is fixedly connected to an outer surface of the connecting rod 10, a screw 902 is connected to the fixing plate 901 through an internal thread, and an L-shaped clamping plate 903 is rotatably connected to one end of the screw 902 away from the detector body 2. By providing the L-shaped clamping plate 903, the steering wheel is fixed in the gap between the L-shaped clamping plate 903 and the fixing plate 901, and stability is improved.

Further, a rotating handle 11 is mounted on the upper surface of the rotating shaft 3, a second gear 12 is mounted on the outer surface of the rotating shaft 3, and the second gear 12 is located in the gap between the housing 1 and the rotating handle 11. Through setting up and changeing handle 11, change handle 11 and carry out rotation regulation, convenient to use to axis of rotation 3.

Furthermore, a supporting block 15 is installed on the upper surface of the housing 1, a sliding rod 13 is slidably connected inside the supporting block 15, and a clamping block 16 is installed on one side surface of the sliding rod 13 close to the second gear 12. Through the arrangement of the fixture block 16, the fixture block 16 is inserted into a gap between two adjacent teeth of the second gear 12, so that the second gear 12 can be limited.

Furthermore, a spring 17 is sleeved on the outer surface of the sliding rod 13, and two ends of the spring 17 are respectively and fixedly connected with one side surface of the fixture block 16 far away from the second gear 12 and the right side surface of the supporting block 15. By arranging the spring 17, the spring 17 supports the latch 16, and the stability of the latch 16 in the second gear 12 is improved.

Furthermore, a limit plate 14 is installed on one side surface of the slide rod 13 away from the fixture block 16, and the slide rod 13 is convenient for a user to pull by arranging the limit plate 14.

The working principle is as follows: firstly, the shell 1 is placed on a steering wheel, then a limiting plate 14 is held by a hand to drive a sliding rod 13 to slide in a supporting block 15, so that a clamping block 16 is drawn out from a crack between two adjacent teeth of a second gear 12, a spring 17 is extruded at the same time, then a rotating shaft 3 is rotated through a rotating handle 11, so that under the action of meshing of a first gear 4 and a rack 5, the rack 5 drives a sliding block 6 to slide in a sliding groove 7, further the rack 5 drives a connecting rod 10 to move towards the interior of the shell 1 through a connecting plate 8, the edge of the steering wheel can be limited in the crack between a fixing plate 901 and an L-shaped clamping plate 903, the detector body 2 is pre-fixed on the steering wheel, the detector body 2 is ensured to be positioned at the center of the steering wheel, the accuracy of the measured data of the detector body 2 is improved, then the limiting plate 14 is loosened, and under the action of the elasticity of the, inserting the fixture block 16 into the crack between two adjacent teeth of the second gear 12, limiting the rotation shaft 3 through the second gear 12, and then rotating the screw 902 to make the screw 902 move in the fixing plate 901 in a rotating manner, so as to adjust the distance between the fixing plate 901 and the L-shaped clamping plate 903, and further fix the steering wheel in the crack between the fixing plate 901 and the L-shaped clamping plate 903, thereby improving the stability of the detector body 2 on the steering wheel, preventing the detector body 2 from sliding off the steering wheel during measurement, and ensuring the accuracy of the measurement result of the detector body 2.

It should be noted that, in this document, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "fixedly," "mounted," "connected," and "connected" are to be construed broadly, e.g., "mounted" may be fixedly connected, or detachably connected, or integrally connected; "connected" may be mechanically or electrically connected; "connected" may be directly connected or indirectly connected through an intermediate member, or may be internal or external to two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a can improve and detect potentiometre for angle detection of automobile steering of precision, includes casing (1), its characterized in that: the detector comprises a shell (1), a detector body (2) is installed on the front surface of the shell (1), a rotating shaft (3) is rotatably connected to the inside of the shell (1), the top of the rotating shaft (3) penetrates through the upper surface of the shell (1) and extends to the upper side of the shell (1), a first gear (4) is installed on the outer surface of the rotating shaft (3), sliding grooves (7) are formed in the front side and the rear side of the inner wall of the shell (1), sliding blocks (6) are connected to the inside of the two sliding grooves (7) in a sliding mode, a rack (5) meshed with the first gear (4) is installed at one end, away from the sliding grooves (7), of the two sliding blocks (6), connecting rods (10) are connected to the left side and the right side of the shell (1) in a sliding mode, a connecting plate (8) is installed at one side, close to each other, of the connecting rods (10), and the top surface and the bottom surface of the two connecting rods (10) are both provided with a clamping mechanism (9).

2. The potentiometer for detecting a steering angle of an automobile capable of improving detection accuracy according to claim 1, wherein: the clamping mechanism (9) comprises a fixing plate (901), one side face of the fixing plate (901) is fixedly connected with the outer surface of the connecting rod (10), a screw (902) is connected to the inner thread of the fixing plate (901), and an L-shaped clamping plate (903) is rotatably connected to one end, far away from the detector body (2), of the screw (902).

3. The potentiometer for detecting a steering angle of an automobile capable of improving detection accuracy according to claim 1, wherein: the upper surface mounting of axis of rotation (3) has commentaries on classics handle (11), the surface mounting of axis of rotation (3) has second gear (12), and second gear (12) are located the crack between casing (1) and commentaries on classics handle (11).

4. The potentiometer for detecting a steering angle of an automobile capable of improving detection accuracy according to claim 3, wherein: the upper surface of the shell (1) is provided with a supporting block (15), a sliding rod (13) is connected inside the supporting block (15) in a sliding mode, and a clamping block (16) is arranged on one side face, close to the second gear (12), of the sliding rod (13).

5. The potentiometer for detecting a steering angle of an automobile capable of improving detection accuracy according to claim 4, wherein: the outer surface of the sliding rod (13) is sleeved with a spring (17), and two ends of the spring (17) are respectively fixedly connected with one side face, away from the second gear (12), of the fixture block (16) and the right side face of the support block (15).

6. The potentiometer for detecting a steering angle of an automobile capable of improving detection accuracy according to claim 4, wherein: and a limiting plate (14) is arranged on one side surface of the sliding rod (13) far away from the clamping block (16).