CN216622657U - Magnetoresistive sensor mounting structure - Google Patents
Magnetoresistive sensor mounting structure Download PDFInfo
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- CN216622657U CN216622657U CN202122436810.XU CN202122436810U CN216622657U CN 216622657 U CN216622657 U CN 216622657U CN 202122436810 U CN202122436810 U CN 202122436810U CN 216622657 U CN216622657 U CN 216622657U
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- mounting structure
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Abstract
The utility model belongs to the technical field of sensor design, and relates to a magnetoresistive sensor mounting structure, which comprises: the sensor comprises a rotor, a sensor bracket, a permanent magnet bracket, a first bearing and a second bearing; the rotor is a step shaft; the sensor support is a hollow cylinder, and the rotor is arranged inside the sensor support; the rotor is connected with the sensor bracket through a first bearing and a second bearing; one end of the rotor, which is positioned at the inner side of the sensor bracket, is connected with the permanent magnet bracket through threads; the permanent magnet support is positioned in the sensor support, and a permanent magnet mounting hole is formed in the permanent magnet support.
Description
Technical Field
The utility model belongs to the field of sensor structure design, and particularly relates to a magnetoresistive sensor mounting structure.
Background
With the development of sensor technology, magnetoresistive sensors are widely used. The mounting structure is a main component of the magnetoresistive sensor, which is an indispensable part.
However, the conventional structure is mainly to use a discrete structure to realize the positioning of the fixing part position, and the set screw realizes the coaxial fixation, and the main problems of the structure are that the discrete assembly is tedious and time-consuming to install, and the alignment installation and disassembly are not easy.
In order to solve the problems of complex and time-consuming installation and difficult alignment installation and disassembly, the rotor gradually rotates and uses the retainer ring to fix the bearing.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a mounting structure of a magnetic resistance sensor.
A magnetoresistive sensor mounting structure comprising: the sensor comprises a rotor, a sensor bracket, a permanent magnet bracket, a first bearing and a second bearing;
the rotor is a step shaft;
the sensor support is a hollow cylinder, and the rotor is arranged inside the sensor support;
the rotor is connected with the sensor bracket through a first bearing and a second bearing;
one end of the rotor, which is positioned at the inner side of the sensor bracket, is connected with the permanent magnet bracket through threads;
the permanent magnet support is positioned in the sensor support, and a permanent magnet mounting hole is formed in the permanent magnet support.
Further, the outer surface of the rotor is provided with a boss, and the boss is arranged between the first bearing and the second bearing. The boss is used for realizing axial fixation to the inner ring of the first bearing and the inner ring of the second bearing.
Further, the mounting structure further includes: a first collar and a second collar; the first clamping ring and the second clamping ring are respectively arranged on one sides of the first bearing and the second bearing, which are far away from the boss. The first clamping ring and the second clamping ring can be used with a matched gasket to realize the axial fixation of the outer rings of the first bearing and the second bearing.
Furthermore, one end of the rotor, which is close to the permanent magnet support, is provided with a threaded hole, and one end of the permanent magnet support is provided with a threaded shaft which is in threaded connection with the rotor. The connection serves to transfer the rotational movement of the rotor to the permanent magnet holder.
Furthermore, a central positioning hole is arranged in the threaded hole of the rotor, and the diameter of the central positioning hole is smaller than that of the threaded hole; and the end part of the threaded shaft of the permanent magnet support is provided with a positioning shaft matched with the central positioning hole. The central positioning hole is used for ensuring the coaxiality of the rotor and the permanent magnet support when the rotor transmits rotary motion, and ensuring the consistency of motion characteristics, thereby improving the measurement precision.
Further, two annular grooves are formed in the inner surface of the sensor support and used for fixing the first clamping ring and the second clamping ring. The first clamping ring and the second clamping ring are clamped into clamping grooves in the sensor support to axially fix outer rings of the first bearing and the second bearing.
The utility model has the advantages and beneficial effects that: the rotor can stably transmit the rotary motion of the measured object to the sensor bracket so as to realize reliable rotary motion measurement; compared with a single bearing fixed structure, the double bearing structure can realize stable support and reduce the instability of a cantilever structure caused by a single bearing; the clamping ring for the double-side hole is clamped into the clamping groove on the rotor, so that the outer ring of the bearing is fixed, the double ends can be stably and axially fixed, and the structure of the clamping ring and the clamping groove ensures that the bearing can be quickly disassembled by using a simple tool; the permanent magnet support is connected with a threaded hole in the rotor by using a threaded column, and simultaneously realizes the functions of thread fastening and coaxial positioning;
the structure has few parts, is stable and stable in fixation, and can effectively realize the function of measuring the position of the sensor; and the integral sensor can be used as an assembly after being preassembled, so that the testing and using modes of the performance detection of the parts of the formal product are simplified.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a sectional view of a magnetoresistive sensor mounting structure;
wherein, 1-rotor, 2-sensor support, 3-permanent magnet support, 4-first collar, 5-second collar, 6-first bearing, 7-second bearing.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Features and illustrative embodiments of various aspects of the utility model are described in detail below. In the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. It will be apparent, however, to one skilled in the art that the present invention may be practiced without some of these specific details. The following description of the embodiments is merely intended to provide a better understanding of the present invention by illustrating examples of the present invention. The present invention is in no way limited to any specific arrangement or method set forth below, but rather covers any improvements, substitutions or modifications in structure, method or apparatus without departing from the spirit of the utility model. In the drawings and the following description, well-known structures and techniques are not shown to avoid unnecessarily obscuring the present invention.
It should be noted that, in the case of conflict, the embodiments and features of the embodiments of the present invention may be combined with each other, and the respective embodiments may be mutually referred to and cited. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1, in a magnetoresistive sensor mounting structure, a rotor 1 connects a first bearing 6, a second bearing 7, and a permanent magnet holder 3 in series; wherein the inner rings of the first bearing 6 and the second bearing 7 are fixed by the convex cylinder of the rotor 1; the outer rings of the first bearing 6 and the second bearing 7 are fixed by a first clamping ring 4 and a second clamping ring 5; the first clamping ring 4 and the second clamping ring 5 are fixed by clamping grooves of an inner hole of the rotor 1.
As shown in fig. 1, inner bores of a first bearing 6 and a second bearing 7 are sleeved on the shaft outer side of a rotor 1, the cylindrical outer sides of the first bearing 6 and the second bearing 7 are installed in an inner bore of a sensor bracket 2, and the inner bore of the sensor bracket 2 and the shaft outer side of the rotor 1 realize radial fixation of the first bearing 6 and the second bearing 7; the permanent magnet bracket 3 is fixed at the right end part of the rotor 1 through threads, thread glue and a center positioning hole.
The principle of the installation and fixation mode of the mechanism is as follows: firstly, the second bearing 7 is arranged on the shaft diameter of the rotor 1 from the right side and props against the shaft shoulder; then the first bearing 6 is arranged from the left side of the rotor 1 and props against the shaft shoulder; the rotor 1 provided with the first bearing 6 and the second bearing 7 is arranged in an inner hole of the sensor bracket 2 from the left side; the first clamping ring 4 is clamped into a hole clamping groove on the left side of the rotor 1, and the first clamping ring 4 is abutted against the left side of the outer ring of the first bearing 6; the second clamping ring 5 is clamped into a hole clamping groove on the right side of the rotor 1, and the first clamping ring 4 is abutted against the right side of the outer ring of the second bearing 7; aligning the central positioning column of the permanent magnet support 3 to the central positioning hole on the right side of the rotor 1 and inserting, simultaneously adding thread glue on the hole threads and screwing the thread column into the thread hole, and finishing the installation; the mechanism can realize the installation and fixation of the magnetic resistance sensor and ensure the synchronous transmission of the rotary motion and the accurate measurement of the sensor on the magnetic resistance sensor.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solutions of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or substitutions within the technical scope of the present invention, and these modifications or substitutions should be covered within the scope of the present invention.
Claims (6)
1. A magnetoresistive sensor mounting structure, comprising: the device comprises a rotor (1), a sensor bracket (2), a permanent magnet bracket (3), a first bearing (6) and a second bearing (7);
the rotor is a step shaft;
the sensor support is a hollow cylinder, and the rotor is arranged inside the sensor support;
the rotor is connected with the sensor bracket through a first bearing and a second bearing;
one end of the rotor, which is positioned at the inner side of the sensor bracket, is connected with the permanent magnet bracket through threads;
the permanent magnet support is positioned in the sensor support, and a permanent magnet mounting hole is formed in the permanent magnet support.
2. A magnetoresistive sensor mounting structure according to claim 1, wherein the rotor outer surface is provided with a boss disposed between the first bearing and the second bearing.
3. A magnetoresistive sensor mounting structure according to claim 2, wherein the mounting structure further comprises: a first collar (4) and a second collar (5); the first clamping ring and the second clamping ring are respectively arranged on one sides of the first bearing and the second bearing, which are far away from the boss.
4. A magnetic resistance sensor mounting structure according to claim 1, wherein the rotor has a threaded hole at an end thereof adjacent to the permanent magnet support, and a threaded shaft at an end thereof to be screwed with the rotor.
5. A magnetoresistive sensor mounting structure according to claim 4, wherein the rotor threaded hole has a centrally located hole therein, the centrally located hole having a smaller diameter than the threaded hole; and the end part of the threaded shaft of the permanent magnet support is provided with a positioning shaft matched with the central positioning hole.
6. A magnetoresistive sensor mounting structure according to claim 3, wherein: two annular grooves are formed in the inner surface of the sensor support and used for fixing the first clamping ring and the second clamping ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122436810.XU CN216622657U (en) | 2021-10-09 | 2021-10-09 | Magnetoresistive sensor mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122436810.XU CN216622657U (en) | 2021-10-09 | 2021-10-09 | Magnetoresistive sensor mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216622657U true CN216622657U (en) | 2022-05-27 |
Family
ID=81691296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122436810.XU Active CN216622657U (en) | 2021-10-09 | 2021-10-09 | Magnetoresistive sensor mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216622657U (en) |
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2021
- 2021-10-09 CN CN202122436810.XU patent/CN216622657U/en active Active
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