CN217849211U

CN217849211U - Hall sensor for position detection

Info

Publication number: CN217849211U
Application number: CN202221976184.1U
Authority: CN
Inventors: 李伟军; 贺晶
Original assignee: Shenzhen Weikewei Technology Co ltd
Current assignee: Shenzhen Weikewei Technology Co ltd
Priority date: 2022-07-29
Filing date: 2022-07-29
Publication date: 2022-11-18
Anticipated expiration: 2032-07-29

Abstract

The utility model discloses a Hall sensor for position detection, which comprises a Hall plate, wherein a shielding plate is arranged on the surface of the Hall plate; the locking assembly comprises an arc-shaped hollow rod and an arc-shaped locking rod which is slidably inserted into the hollow rod, a plurality of circumferentially distributed sockets are formed in the surface of the Hall plate, a plurality of circumferentially distributed mounting rods are fixedly mounted on the surface of the shielding plate, arc-shaped locking holes are formed in the side wall of each mounting rod, a mounting plate is fixedly mounted on the back of the Hall plate, and one end of the hollow rod is fixedly connected with the mounting plate; the mounting panel department is equipped with the joint part, the joint part is used for the one end of joint locking lever. Can accomplish the installation and dismantle between shield plate and the hall plate fast through locking Assembly, convenient and fast compares in traditional welding moreover, need not to change hall plate together when the shield plate need be changed, as long as single change shield plate can.

Description

Hall sensor for position detection

Technical Field

The utility model relates to a sensor technical field especially relates to a hall sensor is used in position detection.

Background

In order to realize the functions of reversing and detecting the position of a magnet of a motor body in the brushless motor, the switch type Hall sensor used for digital quantity output can be used for sensing the characteristic of the magnet of the motor body, meanwhile, the switch type Hall sensor used for digital quantity output is used for detecting the position of the magnet of external equipment matched with the motor, and in order to avoid the influence of the magnet of the motor body on the Hall sensor used for detecting the position of the magnet of the external equipment matched with the motor, a shielding plate is generally welded on the surface of the Hall plate in the Hall sensor.

Because the shielding plate is welded with the Hall plate, when the shielding plate loses the shielding function after being used for a long time, the Hall plate and the shielding plate can only be dismounted together for replacement, but the shielding plate cannot be replaced singly, and a great amount of time is needed in the connection process through welding.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving following shortcoming among the prior art, because shield plate and hall plate welding, consequently when the shield plate leads to losing shielding function through long-time the use, can only be with hall plate and shield plate together pull down changing, but unable single change the shield plate, need spend a large amount of times through welded connection process moreover, and a hall sensor is used in position detection that provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a Hall sensor for position detection comprises a Hall plate, wherein a shielding plate is arranged on the surface of the Hall plate;

the locking assembly is arranged on the back of the Hall plate and used for locking the position of the shielding plate on the Hall plate, the locking assembly comprises an arc-shaped hollow rod and an arc-shaped locking rod which is slidably inserted into the hollow rod, the surface of the Hall plate is provided with a plurality of circumferentially distributed sockets, the surface of the shielding plate is fixedly provided with a plurality of circumferentially distributed mounting rods, the side wall of each mounting rod is provided with an arc-shaped locking hole, the back of the Hall plate is fixedly provided with a mounting plate, and one end of the hollow rod is fixedly connected with the mounting plate;

the mounting plate is provided with a clamping component, and the clamping component is used for clamping one end of the locking rod.

Preferably, the joint part includes two joint poles and extensible member, the mounting groove has been seted up to the one side that hollow pole was kept away from to the mounting panel, the installing port that is linked together with the mounting groove is seted up to the equal level in mounting panel both sides, two the joint pole slides respectively and inserts and establish in two installing ports, and the equal fixed mounting in one end of keeping away from each other has the installation piece, two are offered to the one end lateral wall of locking lever and are used for letting two joint pole male joint grooves, the extensible member is used for fixing the position of joint pole.

Preferably, the telescopic piece comprises a first spring, the first spring is sleeved on the clamping rod, and two ends of the first spring are fixedly connected with the surfaces of the mounting block and the mounting plate respectively.

Preferably, a magnetic sheet is bonded to the wall of the mounting groove, and one end of the locking rod is made of a magnetic material.

Preferably, a rubber layer is bonded on the surface of the mounting rod, and the rubber layer is in sealing contact with the socket opening wall.

Preferably, a second spring is fixedly installed in the hollow rod, and one end of the second spring is fixedly connected with one end of the locking rod.

Compared with the prior art, the beneficial effects of the utility model are that:

can accomplish the installation and dismantle between shield plate and the hall board fast through locking Assembly, convenient and fast compares in traditional welding moreover, need not to change hall board together when the shield plate needs to be changed, as long as single change shield plate can.

Drawings

Fig. 1 is a schematic view of a three-dimensional surface structure of a hall sensor for position detection according to the present invention;

fig. 2 is a schematic back side perspective view of a hall sensor for position detection according to the present invention;

fig. 3 is an enlarged view of the structure at a in fig. 2.

In the figure: the locking device comprises a Hall plate 1, a shielding plate 2, a hollow rod 3, a locking rod 4, a socket 5, an installation rod 6, a locking port 7, an installation plate 8, a clamping rod 9, an installation groove 10, an installation block 11, a clamping groove 12 and a first spring 13.

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.

In the present invention, the terms such as "upper", "lower", "left", "right", "middle" and "one" are also used only for the sake of clarity, but not for limiting the range of the present invention, and the changes or adjustments of the relative relationships thereof are not essential to change the technical content, and thus the present invention is also regarded as the practicable scope.

Referring to fig. 1-3, a hall sensor for position detection comprises a hall plate 1, wherein a shielding plate 2 is arranged on the surface of the hall plate 1;

the back of the Hall plate 1 is provided with a locking assembly, the locking assembly is used for locking the position of the shielding plate 2 on the Hall plate 1, the locking assembly comprises an arc-shaped hollow rod 3 and an arc-shaped locking rod 4 which is inserted into the hollow rod 3 in a sliding manner, the surface of the Hall plate 1 is provided with a plurality of circumferentially distributed sockets 5, the surface of the shielding plate 2 is fixedly provided with a plurality of circumferentially distributed mounting rods 6, the surface of each mounting rod 6 is bonded with a rubber layer, the rubber layer is in sealing contact with the wall of the socket 5, the side wall of each mounting rod 6 is provided with an arc-shaped locking opening 7, the back of the Hall plate 1 is fixedly provided with a mounting plate 8, and one end of the hollow rod 3 is fixedly connected with the mounting plate 8;

at first, a plurality of installation rods 6 fixedly installed on the surface of the shielding plate 2 are respectively aligned with a plurality of sockets 5 formed in the surface of the Hall plate 1 and inserted into the sockets, and at the moment, a rubber layer on the surface of the installation rod 6 can be in sealing contact with the socket 5 opening wall, so that the friction force between the surface of the installation rod 6 and the socket 5 opening wall contact surface can be increased, then the locking rod 4 located in the hollow rod 3 is controlled to move, and one end of the locking rod 4 penetrates through locking openings 7 formed in the side walls of the installation rods 6 to lock the shielding plate 2.

A clamping component is arranged at the mounting plate 8 and used for clamping one end of a locking rod 4, the clamping component comprises two clamping rods 9 and a telescopic piece, one surface, far away from the hollow rod 3, of the mounting plate 8 is provided with a mounting groove 10, two surfaces of the mounting plate 8 are both horizontally provided with mounting ports communicated with the mounting groove 10, the two clamping rods 9 are respectively inserted into the two mounting ports in a sliding manner, one ends, far away from each other, of the two clamping rods 9 are respectively and fixedly provided with a mounting block 11, the side wall of one end of the locking rod 4 is provided with two clamping grooves 12 for the two clamping rods 9 to be inserted into, the telescopic piece is used for fixing the positions of the clamping rods 9 and comprises a first spring 13, the first spring 13 is sleeved on the clamping rods 9, and two ends of the first spring 13 are respectively and fixedly connected with the surfaces of the mounting block 11 and the mounting plate 8;

when one end of the locking rod 4 penetrates through the locking openings 7 formed in the side walls of the mounting rods 6, the two clamping rods 9 are controlled to be away from each other, the two first springs 13 are in a stretching state, then one end of the locking rod 4 is moved into the mounting groove 10, at the moment, the two clamping grooves 12 formed in the side walls of the locking rod 4 correspond to the two clamping rods 9 respectively, then the two clamping rods 9 are loosened, under the elastic potential energy of the two first springs 13, the two clamping rods 9 can rapidly approach each other, and the ends, close to each other, of the two clamping rods can enter the two clamping grooves 12 respectively to form clamping connection, so that the locking rod 4 cannot move;

a magnetic sheet is adhered to the wall of the mounting groove 10, and one end of the locking rod 4 is made of a magnetic material;

when one end of the locking rod 4 enters the installation groove 10, the one end of the locking rod 4 is also simply fixed in the installation groove 10 under the magnetic effect, and the stability of the locking rod 4 is improved.

A second spring is fixedly arranged in the hollow rod 3, and one end of the second spring is fixedly connected with one end of the locking rod 4;

under the action of the second spring, when the locking rod 4 is released from being fixed, the locking rod 4 can be quickly restored, the end part of the locking rod 4 can be automatically moved out of the plurality of locking openings 7, and manual control for moving the locking rod 4 out of the plurality of locking openings 7 is not needed.

The utility model discloses in, insert in a plurality of sockets 5 that 1 surface of hall plate was seted up are aimed at respectively to many installation poles 6 of 2 fixed surface installations of shield plate when installation shield plate 2, then control is located locking lever 4 in hollow pole 3 and removes, can accomplish the locking to shield plate 2 in the locking opening 7 that many installation pole 6 lateral walls were seted up is passed to the one end of messenger locking lever 4, at last rethread joint part locks locking lever 4, improve the locking effect to shield plate 2, also shift out from a plurality of locking openings 7 as long as control locking lever 4 when dismantling shield plate 2, then with shield plate 2 single take off change can, convenient and fast.

In the present application, the terms "mounted," "connected," "secured," and the like are to be construed broadly unless otherwise specifically stated or limited.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A Hall sensor for position detection comprises a Hall plate (1), and is characterized in that a shielding plate (2) is arranged on the surface of the Hall plate (1);

the novel Hall plate is characterized in that a locking assembly is arranged on the back of the Hall plate (1) and used for locking the position of a shielding plate (2) on the Hall plate (1), the locking assembly comprises an arc-shaped hollow rod (3) and an arc-shaped locking rod (4) which is inserted into the hollow rod (3) in a sliding mode, a plurality of circumferentially distributed sockets (5) are formed in the surface of the Hall plate (1), a plurality of circumferentially distributed mounting rods (6) are fixedly mounted on the surface of the shielding plate (2), arc-shaped locking openings (7) are formed in the side wall of each mounting rod (6), a mounting plate (8) is fixedly mounted on the back of the Hall plate (1), and one end of the hollow rod (3) is fixedly connected with the mounting plate (8);

the mounting plate (8) is provided with a clamping component, and the clamping component is used for clamping one end of the locking rod (4).

2. The hall sensor for detecting the position according to claim 1, wherein the fastening component comprises two fastening rods (9) and a telescopic element, one side of the mounting plate (8) away from the hollow rod (3) is provided with a mounting groove (10), two sides of the mounting plate (8) are horizontally provided with mounting openings communicated with the mounting groove (10), the two fastening rods (9) are respectively inserted into the two mounting openings in a sliding manner, one ends away from each other are fixedly provided with mounting blocks (11), one side wall of the locking rod (4) is provided with two fastening grooves (12) for the two fastening rods (9) to be inserted into, and the telescopic element is used for fixing the position of the fastening rods (9).

3. The Hall sensor for detecting the position according to claim 2, wherein the expansion element comprises a first spring (13), the first spring (13) is sleeved on the clamping rod (9), and two ends of the first spring (13) are respectively fixedly connected with the surfaces of the mounting block (11) and the mounting plate (8).

4. The hall sensor for detecting the position as claimed in claim 3, wherein a magnetic sheet is adhered to the wall of the mounting groove (10), and one end of the locking rod (4) is made of a magnetic material.

5. The Hall sensor for detecting the position according to claim 1, wherein a rubber layer is adhered to the surface of the mounting rod (6), and the rubber layer is in sealing contact with the opening wall of the socket (5).

6. The hall sensor for position detection according to claim 1, wherein a second spring is fixedly installed in the hollow rod (3), and one end of the second spring is fixedly connected with one end of the locking rod (4).