CN210761146U

CN210761146U - Center shaft sensor with function of distinguishing forward rotation and reverse rotation of wheel

Info

Publication number: CN210761146U
Application number: CN201921136407.1U
Authority: CN
Inventors: 朱建荣; 韦水明
Original assignee: Suzhou Tianmuai Automobile Part Co ltd
Current assignee: Suzhou Tianmuai Automobile Part Co ltd
Priority date: 2019-07-18
Filing date: 2019-07-18
Publication date: 2020-06-16
Anticipated expiration: 2029-07-18

Abstract

The utility model discloses a axis sensor with can distinguish wheel corotation and reversal function, including casing, PCB board, the magnet holder has been cup jointed to the inner circle of casing, and the fixed joint of the downthehole wall that evenly sets up on the magnet holder has magnet, and the casing is close to hou mian shoulder hole and is close to the inner wall threaded connection at top and has cylindrical pipe fitting, and cylindrical pipe fitting's bottom is seted up flutedly. This axis sensor with can distinguish wheel corotation and reversal function, through starter motor, it rotates to drive the lead screw, thereby drive the nut and remove about, and then drive the slider and remove, thereby it removes about driving the fixed head, when needs examine or maintain the PCB board, only need starter motor electric fixing head move to the right can, move to the right side when the fixed head and can dismantle inspection or maintenance to the PCB board not in PCB board top, reached this moment and did not need to demolish the fixed head, and the convenient target of inspection maintenance PCB board.

Description

Center shaft sensor with function of distinguishing forward rotation and reverse rotation of wheel

Technical Field

The utility model relates to a axis sensor technical field specifically is a axis sensor with can distinguish wheel corotation and reversal function.

Background

The vertical fixed head that has the ordinary PCB board of axis sensor that can distinguish wheel corotation and reversal function at present carries out the fixed head, and the meeting extension of fixed head is in the top of PCB board, but when the PCB board has the damage and need the maintenance or change, then troublesome, is difficult to demolish the fixed head, can bring inconvenience for the dismantlement and the maintenance of PCB board.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

The not enough to prior art, the utility model provides a axis sensor with can distinguish wheel corotation and reversal function possesses and need not to demolish the fixed head, and PCB version maintenance and inspection are convenient advantage, have solved the PCB board and have had bad needs to be maintained or change and need to demolish fixed head, PCB board maintenance and the inconvenient problem of inspection.

Technical scheme

Need not to demolish the fixed head for realizing the aforesaid, PCB version maintenance and the convenient purpose of inspection, the utility model provides a following technical scheme: a middle shaft sensor with the function of distinguishing the forward rotation and the reverse rotation of a wheel comprises a shell and a PCB, wherein a magnet retainer is sleeved on an inner ring of the shell, magnets are fixedly clamped on inner walls of holes uniformly formed in the magnet retainer, a cylindrical pipe fitting is connected to the inner wall, close to a rear stepped hole and close to the top, of the shell in a threaded mode, a groove is formed in the bottom of the cylindrical pipe fitting, sliding grooves are symmetrically formed in the left wall and the right wall of the groove, a sliding block is connected to the inner wall of each sliding groove in a sliding mode, a fixing head is welded to the bottom of each sliding block, a fixing plate is connected between the right wall of the cylindrical pipe fitting and the right wall of the shell, close to the rear stepped hole, of a large aperture, a guide rail is fixedly connected to the bottom of each, the fixing base welding of motor just with the symmetrical position in guide rail left end face hole at the left end face of guide rail right-hand member fixing base, the thread face threaded connection of lead screw has the nut, the slide rail sliding connection of the slide end of nut and guide rail, the bottom screw fixedly connected with dead lever of nut, the bottom welding of dead lever has the connecting rod, the left end face at the slider of one end screw fixed connection that the dead lever was kept away from to the connecting rod, the fixed joint in the centre of fixed head in the back of the PCB board, the PCB board passes through the top of screw fixed connection at casing intermediate tank.

Preferably, the left view of the appearance of the sliding block is in a convex shape.

Preferably, the length of the sliding groove is smaller than the diameter of the cylindrical pipe fitting.

Preferably, the magnet is matched with a hole on the magnet holder.

Preferably, the outer cylindrical surface of the cylindrical pipe fitting is a threaded surface.

Has the beneficial effects.

This axis sensor with can distinguish wheel corotation and reversal function, through starter motor, it rotates to drive the lead screw, thereby drive the nut and remove about, and then drive the slider and remove, thereby it removes about driving the fixed head, when needs examine or maintain the PCB board, only need starter motor electric fixing head move to the right can, move to the right side when the fixed head and can dismantle inspection or maintenance to the PCB board not in PCB board top, reached this moment and did not need to demolish the fixed head, and the convenient target of inspection maintenance PCB board.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a cross-sectional view taken along line A-A of the structure 1 of the present invention;

fig. 3 is a front view of the structural holder of the present invention.

In the figure: the device comprises a shell 1, a PCB 2, a magnet holder 3, a magnet 4, a cylindrical pipe 5, a groove 6, a sliding chute 7, a sliding block 8, a fixing plate 9, a guide rail 10, a motor 11, a lead screw 12, a nut 13, a fixing rod 14, a connecting rod 15 and a fixing head 16.

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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship indicated based on the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: a middle shaft sensor with the function of distinguishing the forward rotation and the reverse rotation of a wheel comprises a shell 1 and a PCB 2, wherein a magnet retainer 3 is sleeved on an inner ring of the shell 1, magnets 4 are fixedly clamped on inner walls of holes uniformly formed in the magnet retainer 3, the magnets 4 are matched with the holes in the magnet retainer 3, a cylindrical pipe fitting 5 is in threaded connection with the inner wall of the shell 1, which is close to a rear stepped hole and close to the top, the outer cylindrical surface of the cylindrical pipe fitting 5 is a threaded surface, a groove 6 is formed in the bottom of the cylindrical pipe fitting 5, sliding grooves 7 are symmetrically formed in the left and right groove walls of the groove 6, the length of each sliding groove 7 is smaller than the diameter of the cylindrical pipe fitting 5, a sliding block 8 is in sliding connection with the inner wall of each sliding groove 7, the left view of the appearance of the sliding block 8 is convex, a fixing head 16 is welded at the bottom of, the bottom of the fixed plate 9 is fixedly connected with a guide rail 10 by a screw, the guide rail 10 can fix a lead screw 12 and limit the rotation of a nut 13, the lead screw 12 is sleeved on the inner wall of a hole of a base at the left side and the right side of the guide rail 10, the right end of the lead screw 12 is connected with a motor 11, when the PCB 2 needs to be inspected or maintained by disassembling, the lead screw 12 is driven to rotate by starting the motor 11, so as to drive the nut 13 to move rightwards, further drive a fixed rod 14 and a connecting rod 15 to move rightwards, further drive a sliding block 8 to slide rightwards along a sliding groove 7, finally move a fixed head 16 backwards to move rightwards, when the fixed head 16 moves to be out of the position above the PCB 2, the PCB 2 can be inspected or maintained by disassembling, at the moment, the fixed seat of the motor 11 is welded on the left end face of the fixed seat at the right end of the guide rail 10 and, the thread face of lead screw 12 threaded connection has nut 13, the sliding end of nut 13 and the slide rail sliding connection of guide rail 10, the bottom screw fixed connection of nut 13 has dead lever 14, the bottom welding of dead lever 14 has connecting rod 15, the one end screw fixed connection of dead lever 14 is kept away from to connecting rod 15 at the left end face of slider 8, the fixed joint in the centre of fixed head 16 in the back of PCB board 2, PCB board 2 passes through the top of screw fixed connection at casing 1 intermediate tank.

The working principle is as follows: during the use, when needing to dismantle and carry out inspection or maintenance to PCB board 2, through starting motor 11, drive lead screw 12 and rotate to drive nut 13 and move right, and then drive dead lever 14 and connecting rod 15 and move right, thereby drive slider 8 and slide right along spout 7, finally move fixing head 16 backward and move right, move to not being in PCB board 2 top when fixing head 16, can dismantle PCB board 2.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 well axle sensor with can distinguish wheel corotation and reversal function, includes casing (1), PCB board (2), its characterized in that: the inner ring of the shell (1) is sleeved with a magnet holder (3), the inner wall of a hole uniformly formed in the magnet holder (3) is fixedly clamped with a magnet (4), the shell (1) is close to a rear stepped hole and is connected with a cylindrical pipe fitting (5) close to the top through threads, the bottom of the cylindrical pipe fitting (5) is provided with a groove (6), the left wall and the right wall of the groove (6) are symmetrically provided with a chute (7), the inner wall of the chute (7) is connected with a sliding block (8) in a sliding manner, the bottom of the sliding block (8) is welded with a fixing head (16), a fixing plate (9) is connected between the right wall of the cylindrical pipe fitting (5) and the right wall of the shell (1) close to the rear large hole of the stepped hole through a screw, the bottom of the fixing plate (9) is fixedly connected with a guide rail (10), and the, the right-hand member of lead screw (12) is connected with motor (11), the fixing base welding of motor (11) is at the left end face of guide rail (10) right-hand member fixing base and with the symmetrical position in guide rail (10) left end face hole, the thread face threaded connection of lead screw (12) has nut (13), the slide rail sliding connection of the slide end of nut (13) and guide rail (10), the bottom screw fixedly connected with dead lever (14) of nut (13), the bottom welding of dead lever (14) has connecting rod (15), the one end screw fixed connection of dead lever (14) is kept away from in connecting rod (15) is at the left end face of slider (8), PCB board (2) back fixed joint is in the centre of fixed head (16), PCB board (2) are through the top of screw fixed connection at casing (1) middle groove.

2. The bottom bracket bearing sensor with the function of distinguishing the forward rotation from the reverse rotation of the wheel as claimed in claim 1, wherein: the left view of the appearance of the sliding block (8) is in a convex shape.

3. The bottom bracket bearing sensor with the function of distinguishing the forward rotation from the reverse rotation of the wheel as claimed in claim 1, wherein: the length of the sliding groove (7) is smaller than the diameter of the cylindrical pipe fitting (5).

4. The bottom bracket bearing sensor with the function of distinguishing the forward rotation from the reverse rotation of the wheel as claimed in claim 1, wherein: the magnet (4) is matched with the hole on the magnet holder (3).

5. The bottom bracket bearing sensor with the function of distinguishing the forward rotation from the reverse rotation of the wheel as claimed in claim 1, wherein: the outer cylindrical surface of the cylindrical pipe fitting (5) is a threaded surface.