CN218896123U

CN218896123U - Rotation speed sensor

Info

Publication number: CN218896123U
Application number: CN202223486203.5U
Authority: CN
Inventors: 刘文强; 刘晓琴; 许素
Original assignee: Nanjing Qiuque Intelligent Technology Co ltd
Current assignee: Nanjing Qiuque Intelligent Technology Co ltd
Priority date: 2022-12-26
Filing date: 2022-12-26
Publication date: 2023-04-21
Anticipated expiration: 2032-12-26

Abstract

The utility model discloses a rotating speed sensor, which comprises a rotating speed sensor body, wherein a sleeve disc is sleeved on the outer wall of the rotating speed sensor body, two ends of the outer wall of the bottom of the sleeve disc are provided with inclined grooves, one end, opposite to the top inner wall, of each inclined groove is provided with a top groove, the other end, opposite to the top inner wall, of each inclined groove is provided with a bottom groove, the inner walls of the two sides of each inclined groove are fixedly connected with a baffle plate, the outer wall of the top of each baffle plate is provided with a limiting groove in a penetrating manner, a sliding block is arranged in the top groove, the outer wall of the bottom of the sliding block is fixedly connected with a connecting column, and the outer wall of the bottom of the connecting column is fixedly connected with a moving block. The utility model is matched with devices such as the sleeve disk, the chute, the partition board, the limit groove, the sliding block, the connecting column, the moving block and the like, and the distance between the probe and the signal wheel can be always within the range of the set value by adjusting the distance between the probe and the signal wheel, so that the rotating speed sensor body can operate better, and the running is safer.

Description

Rotation speed sensor

Technical Field

The utility model relates to the technical field of sensors, in particular to a rotating speed sensor.

Background

The rotation speed sensor is a sensor that converts the rotation speed of a rotating object into electric power output. The core component adopts a magneto resistor as a detection element, and then the noise is reduced by a brand new signal processing circuit, so that the function is more perfect. When the measured object is provided with a convex (or concave) magnetic or magnetic conductive material, the sensor outputs a pulse signal related to the rotation frequency along with the rotation of the measured object, so that the purpose of speed measurement or displacement detection signaling is achieved, and the rotation speed sensor can be used for measuring the rotation speed of a generator shaft, feeding back data and ensuring stability; the method is used for monitoring the processing rotating speed of the workpiece, and monitoring the speed of the workpiece on the numerical control machine in real time, thereby being beneficial to the fields of precision processing of the workpiece and the like.

The air gap between the probe of the rotation speed sensor and the signal wheel is generally fixedly arranged, after the rotation speed sensor is installed, the influence of thermal expansion and cold contraction is added after the parts inevitably have abrasion in operation, the set value between the probe and the signal wheel can be possibly influenced, because the gap between the probe and the signal wheel cannot be regulated, the distance between the probe and the signal wheel has larger deviation from the set value, the engine control unit can be influenced by the fact that the set value is too large or too small, the signal reading is abnormal, and therefore the driving safety is influenced, and the rotation speed sensor is provided.

Disclosure of Invention

The present utility model is directed to a rotation speed sensor, which solves the above-mentioned problems of the prior art.

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

the utility model provides a rotation speed sensor, includes the rotation speed sensor body, rotation speed sensor body outer wall has cup jointed the cover dish, it has the chute to cover dish bottom outer wall both ends open, two it has the roof groove to open to the relative one end of chute top inner wall, two it has the kerve to open to the relative other end of chute top inner wall, chute both sides inner wall fixedly connected with baffle, baffle top outer wall link up and is provided with the spacing groove, the inside slider that is provided with of roof groove, slider bottom outer wall fixedly connected with spliced pole, spliced pole bottom outer wall fixedly connected with movable block.

Further, the sleeve disk is made of stainless steel.

Further, the sliding block is matched with the top groove and the bottom groove, and the sliding block is made of stainless steel.

Further, the outer wall of the top of the partition plate and the inner wall of the top of the chute are kept at a distance matched with the sliding block.

Further, the outer walls of the two opposite sides of the moving block are arranged in an arc-shaped structure, and the outer walls of the two opposite sides of the moving block are provided with arc-shaped structures matched with the outer walls of the rotating speed sensor body.

Further, the two moving blocks are made of stainless steel materials, and rubber blocks are arranged on the outer walls of the bottoms of the two moving blocks.

Further, threaded holes are formed in the two ends of the outer wall of the top of the sleeve disc in a penetrating mode.

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

1. this be used for a rotation speed sensor, through being provided with rotation speed sensor body, cover dish, chute, roof groove, baffle, spacing groove, slider, spliced pole, movable block device cooperation, can be in the within range of setting value throughout through the distance between adjusting probe and the signal wheel, the distance between messenger's probe and the signal wheel, the rotation speed sensor body of being convenient for carries out operation work better, the messenger driving of being convenient for is safer.

2. This a rotational speed sensor for through being provided with screw hole device, can make rotational speed sensor body fix better, promotes relevant safety, guarantee driving safety.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

fig. 1 is a schematic diagram of the overall structure of a rotation speed sensor according to the present utility model;

fig. 2 is a schematic cross-sectional structure of a rotation speed sensor according to the present utility model;

fig. 3 is a schematic bottom view of a rotation speed sensor according to the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a rotation speed sensor body; 2. a sleeve disk; 3. a chute; 4. a top groove; 5. a partition plate; 6. a limit groove; 7. a slide block; 8. a connecting column; 9. a moving block; 10. and (3) a threaded hole.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. The advantages and features of the present utility model will become more apparent from the following description. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-3, in the embodiment of the utility model, a rotation speed sensor comprises a rotation speed sensor body 1, a sleeve disk 2 is sleeved on the outer wall of the rotation speed sensor body 1, the sleeve disk 2 is sleeved and fixed on the outer wall of the rotation speed sensor body 1, the rotation speed sensor body 1 is conveniently and well fixed through the sleeve disk 2, two ends of the outer wall of the bottom of the sleeve disk 2 are provided with a chute 3, the distance between the two ends of the inner wall of the top of the chute 3 is conveniently and well adjusted, two opposite ends of the inner wall of the top of the chute 3 are provided with a top groove 4, the opposite ends of the inner wall of the top of the chute 3 are provided with bottom grooves, the inner walls of two sides of the chute 3 are fixedly connected with a baffle 5, the outer wall of the top of the baffle 5 is provided with a limit groove 6 in a penetrating way, a sliding block 7 is arranged in the top groove 4, a connecting column 8 is fixedly connected with the outer wall of the bottom of the sliding block 7, the connecting column 8 is conveniently and well moves under the limit of the limit groove 6, the connecting column 8 bottom outer wall fixedly connected with movable block 9 opens at the bottom both ends of cover dish 2 has chute 3, open the relative one end of the top inner wall of two chute 3 has roof groove 4, open the relative other end of the top inner wall of two chute 3 has the kerve, be provided with the spout at the top outer wall of baffle 5 and the inside top of chute 3 this moment, can slide at the inside slider 7 of spout, the bottom welding at slider 7 has the spliced pole 8 corresponding with spacing groove 6, the bottom outer wall welding at spliced pole 8 has movable block 9, can drive the slider 7 that is in the spout inside on the spliced pole 8 through movable block 9 and slide in the spout this moment, be convenient for adjust the distance between the probe of rotational speed sensor body 1 and the signal wheel, be convenient for promote the work effect of rotational speed sensor body 1 better.

In the utility model, the sleeve plate 2 is made of stainless steel, and the sleeve plate 2 is made of stainless steel, so that the waterproof treatment can be better carried out, and the fixation is better facilitated.

In the utility model, the sliding block 7 is matched with the top groove 4 and the bottom groove, the sliding block 7 is made of stainless steel, the size of the sliding block 7 is matched with the sizes of the top groove 4 and the bottom groove, and when the sliding block 7 slides into the top groove 4 and the bottom groove, the sliding block can correspond to the top groove 4 and the bottom groove, so that the sliding block 7 can be conveniently and well limited.

In the utility model, the distance between the top outer wall of the partition plate 5 and the top inner wall of the chute 3 is kept to be matched with the sliding block 7, and the sliding block 7 can slide sufficiently within the distance by keeping a certain distance between the top outer wall of the partition plate 5 and the top inner wall of the chute 3.

According to the utility model, the outer walls of the opposite sides of the two moving blocks 9 are arranged in an arc structure, the outer walls of the opposite sides of the two moving blocks 9 are provided with arc structures matched with the outer walls of the rotating speed sensor body 1, the outer walls of one side of the moving blocks 9 are provided with arc structures so as to be better attached to other arc structures, and the outer walls of the other side of the moving blocks 9 are provided with arc structures so as to be better attached to the outer walls of the rotating speed sensor body 1, and meanwhile, the rotating speed sensor body 1 can be clamped and fixed.

According to the utility model, the two moving blocks 9 are made of stainless steel, rubber blocks are arranged on the outer walls of the bottoms of the two moving blocks 9, and a layer of rubber blocks are arranged on the outer walls of the moving blocks 9, so that the moving blocks 9 can be prevented from being displaced after being adjusted, and the adjusted distance is more accurate.

In the utility model, the two ends of the outer wall of the top of the sleeve disk 2 are provided with threaded holes 10 in a penetrating way, and the two ends of the outer wall of the top of the sleeve disk 2 can be provided with threaded holes 10, so that the sleeve disk 2 can be conveniently limited and fixed.

The working principle of the utility model is as follows:

the electrical components appearing in this application all connect external intercommunication power and control switch when using, after installing rotational speed sensor body 1 in required position, can pass through two screw holes 10 on the cover dish 2 at this moment and revolve in required installation position through the screw rod, when needs are to be adjusted the probe of rotational speed sensor body 1 and the signal wheel grow, can unscrew the screw rod that is located screw hole 10 inside this moment, then remove two movable blocks 9 simultaneously to the position that is close to rotational speed sensor body 1, movable block 9 removes and can take movable block 9 top outer wall welded spliced pole 8 to slide in the spacing groove 6 that opens on baffle 5 in chute 3 inside, at this moment the spliced pole 8 removes and takes top welded slider 7 to move down to the spout inside between chute 3 and the baffle 5 top outer wall from the undercut inside, at this time, the sliding block 7 moves towards the direction of the rotating speed sensor body 1, when the moving block 9 moves to be attached to the rotating speed sensor body 1, the sliding block 7 slides to the lower part of the top groove 4, at this time, the screw rod positioned in the threaded hole 10 can be screwed, at this time, the sleeve disk 2 moves downwards with the rotating speed sensor body 1, when the bottom of the moving block 9 is attached to the top outer wall of the mounting position, the sliding block 7 at this time is lifted to the inside of the top groove 4, thereby limiting and fixing the moving block 9, at this time, the gap between the probe of the rotating speed sensor body 1 and the signal wheel becomes larger, when the probe of the rotating speed sensor body 1 and the signal wheel are required to be regulated, at this time, the screw rod positioned in the threaded hole 10 can be unscrewed, then the two moving blocks 9 are simultaneously moved to a position far away from the rotating speed sensor body 1, at this time, the moving block 9 moves and can slide in the limit groove 6 formed in the partition plate 5 in the chute 3 with the connecting column 8 welded on the outer wall of the top of the moving block 9, at this time, the connecting column 8 moves and can move downwards from the inside of the top groove 4 to the inside of the chute between the chute 3 and the outer wall of the top of the partition plate 5 with the top of the welded slide block 7, at this time, the slide block 7 moves towards the direction away from the rotating speed sensor body 1, when the moving block 9 moves to the maximum distance from the rotating speed sensor body 1, the slide block 7 slides to the lower part of the bottom groove, at this time, the screw rod in the screw hole 10 can be screwed, at this time, the sleeve disc 2 moves downwards with the rotating speed sensor body 1, and when the bottom of the moving block 9 is attached to the outer wall of the top of the installation position, the slide block 7 at this time is jacked up to the inside of the bottom groove, thereby limiting and fixing the moving block 9, and the gap between the probe of the rotating speed sensor body 1 and the signal wheel at this time becomes small.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a rotation speed sensor, includes rotation speed sensor body (1), its characterized in that, rotation speed sensor body (1) outer wall has cup jointed cover dish (2), it has chute (3) to open at cover dish (2) bottom outer wall both ends, two open on chute (3) top inner wall opposite end has roof groove (4), two open on chute (3) top inner wall opposite end has the kerve, chute (3) both sides inner wall fixedly connected with baffle (5), baffle (5) top outer wall link up and are provided with spacing groove (6), roof groove (4) inside slider (7) that is provided with, slider (7) bottom outer wall fixedly connected with spliced pole (8), spliced pole (8) bottom outer wall fixedly connected with movable block (9).

2. A rotation speed sensor according to claim 1, characterized in that the collar (2) is made of stainless steel.

3. A rotation speed sensor according to claim 2, characterized in that the slider (7) is matched to the top groove (4) and the bottom groove, the slider (7) being made of stainless steel.

4. A rotation speed sensor according to claim 1, characterized in that the outer wall of the top of the partition (5) is spaced from the inner wall of the top of the chute (3) by a distance matching the slide (7).

5. A rotation speed sensor according to claim 1, wherein the outer walls of the opposite sides of the two moving blocks (9) are arranged in an arc-shaped structure, and the outer walls of the opposite sides of the two moving blocks (9) are arranged in an arc-shaped structure matched with the outer walls of the rotation speed sensor body (1).

6. A rotation speed sensor according to claim 5, characterized in that the two moving blocks (9) are made of stainless steel material, and the outer walls of the bottoms of the two moving blocks (9) are provided with rubber blocks.

7. A rotation speed sensor according to claim 2, characterized in that threaded holes (10) are provided through both ends of the top outer wall of the sleeve disc (2).