CN211122962U

CN211122962U - Fixing device for automobile Hall sensor test

Info

Publication number: CN211122962U
Application number: CN201922085800.9U
Authority: CN
Inventors: 孙振
Original assignee: Changzhou Core Intelligent Technology Co ltd
Current assignee: Changzhou Core Intelligent Technology Co ltd
Priority date: 2019-11-28
Filing date: 2019-11-28
Publication date: 2020-07-28
Anticipated expiration: 2029-11-28

Abstract

The utility model relates to a hall sensor is experimental technical field, discloses an experimental fixing device that uses of car hall sensor, including the mounting panel, two be equipped with the guide bar between the mounting panel, guide bar middle part sliding connection sliding seat, the lower surface of sliding seat is equipped with the connecting rod, the lower extreme fixed connection fixed plate of connecting rod, the left and right sides at the middle part of fixed plate is equipped with the bearing frame, and the bearing frame rotates the both ends of connecting the lead screw, the first slider of the left and right sides threaded connection of lead screw, and both sides are equipped with the push rod around the first slider, and the middle part through connection second slider of push rod, the upper surface of fixed plate are equipped with the spout, the bottom of the middle part sliding connection. The utility model is suitable for an experimental fixing device that uses of car hall sensor through the interlock mode of pure machinery for only the rotation through a lead screw realizes the motion of being close to each other of four clamp plates, thereby accomplishes the fixed to hall sensor.

Description

Fixing device for automobile Hall sensor test

Technical Field

The utility model relates to a hall sensor test technical field specifically is an experimental fixing device that uses of car hall sensor.

Background

A hall sensor is a magnetic field sensor made according to the hall effect. The hall effect is one of the magnetoelectric effects, which was found by hall (a.h. hall, 1855-1938) in 1879 when studying the conductive mechanism of metals. Later, semiconductors, conductive fluids and the like have been found to have the effect, the hall effect of the semiconductors is much stronger than that of metals, and various hall elements manufactured by utilizing the phenomenon are widely applied to the aspects of industrial automation technology, detection technology, information processing and the like. The hall sensor utilizes scene is more in the car, therefore when testing, need test the hall sensor that the car used specially, just need use fixing device.

Chinese patent (publication No. CN 203838223U) discloses a hall current transformer, which comprises an iron core, a secondary winding, a primary bus hole, hall devices, a positive constant voltage source board, a negative constant voltage source board, a hall circuit module, a rectifying and filtering circuit, a secondary terminal and a dc input terminal. The measuring loop and the measured loop are electrically isolated, and the safety of a control circuit of the system is ensured. Because zero magnetic flux mode is in zero magnetic flux compensation state all the time, does not receive magnetic circuit and hall components and parts linearity influence, and hall components and parts control voltage adopts positive, negative constant pressure board, and is also little influenced by the temperature, but the device is only a sensor, does not set up relevant fixing device, and in car hall sensor test process, need fix the sensor, guarantees experimental stability.

SUMMERY OF THE UTILITY MODEL

The utility model provides an experimental fixing device that uses of car hall sensor has solved the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a fixing device for an automobile Hall sensor test comprises mounting plates, wherein guide rods are arranged between the two mounting plates, the middle parts of the guide rods are slidably connected with a sliding seat, the lower surface of the sliding seat is provided with a connecting rod, the lower end of the connecting rod is fixedly connected with a fixing plate, the left side and the right side of the middle part of the fixing plate are provided with bearing seats, the bearing seats are rotatably connected with the two ends of a lead screw, the left side and the right side of the lead screw are in threaded connection with a first slide block, the front side and the rear side of the first slide block are provided with push rods, the middle part of each push rod is connected with a second slide block in a penetrating manner, the upper surface of the fixing plate is provided with a sliding chute, the middle part of each sliding chute is slidably connected with the bottom of the second slide block, one side of the second slide block, the lower end of the rotating rod is rotatably connected with the pressing plate.

As an optimal technical scheme of the utility model, be equipped with the mounting hole around the mounting panel.

As an optimized technical solution of the present invention, the included angle between the sliding groove and the side of the fixing plate is 45 °.

As a preferred technical scheme of the utility model, the lower part of second slider is equipped with the hole of stepping down, the hole middle part through connection push rod of stepping down.

As an optimized technical scheme of the utility model, the left and right sides of lead screw is equipped with the opposite screw thread of direction of rotation.

As an optimized technical scheme of the utility model, the right-hand member of lead screw is equipped with the runner.

As an optimized technical scheme of the utility model, the one side that is close to the device center of clamp plate is equipped with the rubber pad.

The utility model discloses have following useful part:

the utility model is suitable for an experimental fixing device that uses of car hall sensor through the interlock mode of pure machinery for only the rotation through a lead screw realizes the motion of being close to each other of four clamp plates, thereby accomplishes the fixed to hall sensor, whole device easy operation, reasonable in design, suitable using widely.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a fixing device for an automobile hall sensor test.

Fig. 2 is a front view of a fixing device for an automobile hall sensor test.

Fig. 3 is a schematic structural diagram of a fixing plate in the fixing device for the automobile hall sensor test.

Fig. 4 is a top view of fig. 3.

In the figure: 1. mounting a plate; 2. mounting holes; 3. a guide bar; 4. a sliding seat; 5. a connecting rod; 6. a fixing plate; 7. a bearing seat; 8. double-helix screw rod; 9. a rotating wheel; 10. a first slider; 11. a chute; 12. a second slider; 13. a hole of abdication; 14. a push rod; 15. a top rod; 16. rotating the rod; 17. a sliding sleeve; 18. a rotating seat; 19. and (7) pressing a plate.

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.

Example one

Referring to fig. 1-4, a fixing device for a hall sensor test of an automobile comprises mounting plates 1, mounting holes 2 are formed around the mounting plates 1, a guide rod 3 is arranged between the two mounting plates 1, a sliding seat 4 is slidably connected to the middle of the guide rod 3, a connecting rod 5 is arranged on the lower surface of the sliding seat 4, a fixing plate 6 is fixedly connected to the lower end of the connecting rod 5, bearing seats 7 are arranged on the left and right sides of the middle of the fixing plate 6, the bearing seats 7 are rotatably connected to the two ends of a screw rod 8, the left and right sides of the screw rod 8 are in threaded connection with a first slide block 10, threads with opposite turning directions are arranged on the left and right sides of the screw rod 8, a rotating wheel 9 is arranged at the right end of the screw rod 8, push rods 14 are arranged on the front and back sides of the first slide block 10, a second slide block 12 is penetratingly connected to the middle of the push rod 14, the bottom of the middle part sliding connection second slider 12 of spout 11, the contained angle of the side of spout 11 and fixed plate 6 is 45, and one side of keeping away from the device center of second slider 12 is equipped with ejector pin 15, and the one end of keeping away from the device center of ejector pin 15 rotates the lateral wall of connecting sliding sleeve 17, and sliding sleeve 17 sliding connection dwang 16's upper portion rotates the connection and sets up in the rotation seat 18 at four turnings of fixed plate 6 in dwang 16, and the lower extreme of dwang 16 rotates connection clamp plate 19.

Example two

The other contents of this embodiment are the same as those of the first embodiment, except that: and a rubber pad is arranged on one side of the pressing plate 19 close to the center of the device. In order to improve the friction force of the pressing plate 19, a rubber pad is arranged on the surface, in contact with the sensor, of the pressing plate 19, so that on one hand, the insulating effect can be achieved, and the possibility that the pressing plate 19 is in rigid contact with the sensor and scratches the sensor can be avoided.

In the implementation process of the utility model, the device is fixed with the test bed through the mounting hole 2 on the mounting plate 1, at the moment, the sensor to be tested is placed between the four clamping plates, the rotating wheel 9 is rotated, the rotating wheel 9 drives the screw rod 8 to rotate, because the left side and the right side of the screw rod 8 are provided with threads with opposite rotating directions, in the rotating process of the screw rod 8, two first sliders 10 at the left side and the right side are far away from each other to push four second sliders 12 to move towards the left side and the right side of the device through the push rod 14, the second sliders 12 push the rotating rod 16 to rotate through the push rod 14, so that the rotating rod 16 rotates around the rotating seat 18, thereby the lower end of the rotating rod 16 is provided with the pressing plate 19 to move close to each other, finally, the sensor is fixed through the four pressing plates 19, and because of the self-locking property of, at the moment, the position of the whole device is fixed, and the problem of falling of the sensor can not occur; the utility model is suitable for an experimental fixing device that uses of car hall sensor through the interlock mode of pure machinery for only realize four clamp plates 19's the motion of being close to each other through the rotation of a lead screw 8, thereby accomplish fixed to hall sensor, whole device easy operation, reasonable in design, suitable using widely.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A fixing device for an automobile Hall sensor test comprises mounting plates (1), wherein a guide rod (3) is arranged between the two mounting plates (1), the middle part of the guide rod (3) is connected with a sliding seat (4) in a sliding manner, the lower surface of the sliding seat (4) is provided with a connecting rod (5), and the lower end of the connecting rod (5) is fixedly connected with a fixing plate (6), and the fixing device is characterized in that bearing seats (7) are arranged on the left side and the right side of the middle part of the fixing plate (6), the bearing seats (7) are rotatably connected with the two ends of a screw rod (8), the left side and the right side of the screw rod (8) are in threaded connection with a first sliding block (10), push rods (14) are arranged on the front side and the rear side of the first sliding block (10), a second sliding block (12) is connected with the middle part of the push rods (14) in, one side of the second sliding block (12) far away from the center of the device is provided with a mandril (15), one end of the mandril (15) far away from the center of the device is rotatably connected with the side wall of the sliding sleeve (17), the sliding sleeve (17) is slidably connected with the upper part of the rotating rod (16), the rotating rod (16) is rotatably connected with rotating seats (18) arranged at four corners of the fixed plate (6), and the lower end of the rotating rod (16) is rotatably connected with a pressing plate (19).

2. The fixing device for the automobile Hall sensor test according to claim 1, wherein the mounting plate (1) is provided with mounting holes (2) at the periphery.

3. The automotive Hall sensor test fixture according to claim 1, wherein the angle between the sliding groove (11) and the side of the fixing plate (6) is 45 °.

4. The fixing device for the automobile Hall sensor test according to claim 1, wherein a yielding hole (13) is formed in the lower portion of the second sliding block (12), and a push rod (14) penetrates through the middle of the yielding hole (13).

5. The automotive Hall sensor test fixing device according to claim 1, wherein threads with opposite turning directions are arranged on the left side and the right side of the screw rod (8).

6. The automotive Hall sensor test fixing device according to claim 1 or 5, wherein a rotating wheel (9) is arranged at the right end of the screw rod (8).

7. The automotive Hall sensor test fixture according to claim 1, wherein a rubber pad is disposed on one side of the pressure plate (19) close to the center of the fixture.