CN215261604U - Protective structure of non-contact linear potentiometer - Google Patents
Protective structure of non-contact linear potentiometer Download PDFInfo
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- CN215261604U CN215261604U CN202121177577.1U CN202121177577U CN215261604U CN 215261604 U CN215261604 U CN 215261604U CN 202121177577 U CN202121177577 U CN 202121177577U CN 215261604 U CN215261604 U CN 215261604U
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- storage bin
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- guide rail
- sensing
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Abstract
The utility model discloses a protective structure of non-contact straight line potentiometre, include: a cylindrical case in which the non-contact linear potentiometer is housed, the non-contact linear potentiometer including a magnet portion and a sensing portion; the magnet part is in sliding connection with a first guide rail arranged along the long axis direction at the lower part of the cylindrical shell through first flange structures arranged at two sides of the magnet part; the upper part of the cylindrical shell is provided with a storage bin, and the sensing part is contained in the storage bin. The beneficial effects of the utility model reside in that: hold the potentiometre through setting up the casing to set up the collecting storage alone in the casing and hold sensing part, protect the electric part in the potentiometre completely, improved the protection level of product, make it can be applied to under the abominable operating mode, this structure is implemented simply simultaneously, has realized better protective effect under extremely low cost.
Description
Technical Field
The utility model relates to the technical field of, concretely relates to protective structure of non-contact straight line potentiometre.
Background
The conventional linear potentiometer is of a resistance type, and the service life of the conventional linear potentiometer is short due to abrasion of a resistance substrate and an electric brush of the conventional linear potentiometer in the motion process.
In recent years, various new technologies are applied to the field of linear potentiometers, and the traditional resistance type linear potentiometer is gradually replaced by a non-contact linear potentiometer. The non-contact linear potentiometer generally uses a highly integrated hall element or a magnetoresistive element as a sensing chip, and detects a linear displacement amount by a change in a magnetic field induced by the chip during linear motion.
In the non-contact linear potentiometer, a sensing chip and a peripheral circuit thereof are usually made into a circuit board and placed in a shell of the potentiometer, and the shell of the potentiometer is difficult to be made into a completely closed shell, so that the protection grade of the product is difficult to improve, and the product is often required to be arranged in equipment when used in severe environments such as outdoor environment and cannot be used outdoors.
Disclosure of Invention
The purpose of this patent is in order to overcome prior art's not enough, provides a protective structure of non-contact straight line potentiometre, gets up sensing portion whole protection through a inclosed collecting storage, makes sensing portion and outside isolation to promote the protection level of product electric part, made it can be applied to abominable outdoor environment. The specific technical scheme is as follows:
a protective structure of a non-contact linear potentiometer comprises: a cylindrical case in which the non-contact linear potentiometer is housed, the non-contact linear potentiometer including a magnet portion and a sensing portion; the magnet part is in sliding connection with a first guide rail arranged along the long axis direction at the lower part of the cylindrical shell through first flange structures arranged at two sides of the magnet part; the upper part of the cylindrical shell is provided with a storage bin, and the sensing part is contained in the storage bin.
Preferably, the outer contour of the sensing part is a long strip, a cable is arranged at one end of the sensing part, and the sensing part is connected with an external circuit through the cable.
Preferably, a front cover and a rear cover are further arranged at two ends of the cylindrical shell; the lower parts of the front cover and the rear cover are provided with openings; the height of the opening is flush with that of the first guide rail; and the positioning rods at the two ends of the magnet part are respectively sleeved in the open holes.
Preferably, the magnet part slides along the first guide rail, and the sliding range of the magnet part is the distance between the front cover and the rear cover.
Preferably, a second guide rail is arranged on the upper part of the cylindrical shell in parallel with the first guide rail; and second flange structures are arranged on two sides of the storage bin, and the storage bin is fixedly connected with the second guide rail through the second flange structures.
Preferably, one side of the rear cover is provided with a bending structure, and the bending structure extends from the outer side surface of the rear cover to the upper part of the shell and wraps the upper part of the shell; and a guide groove structure is formed between the bending structure and the upper surface of the shell.
Preferably, an opening is formed in one side, close to the rear cover, of the storage bin, and the opening is communicated with the guide groove structure; the cable is connected to the outside through the opening and the channel structure.
Preferably, the inner space of the storage bin is matched with the outer contour of the sensing part; the four corners of the inner space of the storage bin are respectively provided with a triangular step, and the sensing part is placed on the triangular step.
Preferably, one side of the upper surface of the storage bin, which is close to the front cover, is provided with a notch, and the notch is communicated with the inner space of the storage bin.
Preferably, the inner space of the storage bin is filled with pouring sealant; the pouring sealant is injected into the inner space of the storage bin from the notch.
The technical scheme has the following advantages or beneficial effects: hold the potentiometre through setting up the casing to set up the collecting storage alone in the casing and hold sensing part, protect the electric part in the potentiometre completely, improved the protection level of product, make it can be applied to under the abominable operating mode, this structure is implemented simply simultaneously, has realized better protective effect under extremely low cost.
Drawings
Embodiments of the present invention will now be described more fully hereinafter with reference to the accompanying drawings. The drawings are, however, to be regarded as illustrative and explanatory only and are not restrictive of the scope of the invention.
FIG. 1 is an exploded view of the structure of an embodiment of the present invention;
fig. 2 is a schematic structural section view of an embodiment of the present invention;
fig. 3 is an enlarged view of a partial structure of an embodiment of the present invention.
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the present invention is not limited thereto.
The utility model discloses a protective structure of non-contact straight line potentiometre, as shown in figure 1, specifically include: a cylindrical case 5, the cylindrical case 5 accommodating therein a non-contact linear potentiometer, the non-contact linear potentiometer including a magnet portion 2 and a sensing portion 4; the magnet part 2 is in sliding connection with a first guide rail arranged along the long axis direction at the lower part of the cylindrical shell through first flange structures arranged at two sides of the magnet part 2; the upper part of the cylindrical shell is provided with a storage bin 3, and the sensing part 4 is accommodated in the storage bin 3.
In a preferred embodiment, as shown in fig. 1, the outer contour of the sensing portion 4 is an elongated shape, a cable is disposed at one end of the sensing portion 4, and the sensing portion 4 is connected to an external circuit through the cable.
In a preferred embodiment, the two ends of the cylindrical shell 5 are also provided with a front cover 1 and a rear cover 6; the lower parts of the front cover 1 and the rear cover 6 are provided with openings; the height of the opening is flush with that of the first guide rail; the positioning rods at the two ends of the magnet part 2 are respectively sleeved in the open holes.
In a preferred embodiment, as shown in fig. 2, the magnet part 2 slides along the first guide rail direction, and the sliding range of the magnet part is the distance between the front cover 1 and the rear cover 6.
In a preferred embodiment, as shown in fig. 3, a second guide rail a2 is provided on the upper portion of the cylindrical housing 5 in parallel with the first guide rail; the two sides of the storage bin 3 are provided with second flange structures a1, and the storage bin 3 is fixedly connected with a second guide rail a2 through the second flange structures a 1.
In a preferred embodiment, one side of the rear cover 6 is provided with a bending structure 6A, and the bending structure 6A extends from the outer side surface of the rear cover 6 to the upper part of the shell 5 and is wrapped on the upper part of the shell 5; a guide groove structure is formed between the bending structure 6A and the upper surface of the shell 5.
In a preferred embodiment, one side of the storage bin 3 close to the rear cover 6 is provided with an opening D which is communicated with the guide groove structure; the cable of the sensing part 4 is connected to the outside through the opening D and the channel structure.
In a preferred embodiment, the inner space of the storage chamber 3 matches with the outer contour of the sensing part 4; the four corners of the inner space of the storage bin 3 are respectively provided with a triangular step C, and the sensing part 4 is placed on the triangular step C.
In a preferred embodiment, a gap D is formed on a side of the upper surface of the storage compartment 3 close to the front cover 1, and the gap D communicates with the inner space of the storage compartment 3.
In a preferred embodiment, the inner space of the storage bin 3 is filled with a pouring sealant 7; the pouring sealant 7 is poured into the inner space of the storage bin from the gap B. When sensing portion 4 shelved on the triangle-shaped step, sensing portion 4's outline and the inner space phase-match of collecting bin 3, sensing portion 4's below and collecting bin 3's inner space form a enclosed construction, can pour into the space of sensing portion 4 below with casting glue 7 through setting up breach B, wrap up sensing portion 4 completely, improved sensing portion 4's shock resistance and waterproof performance.
Specifically, the material of the potting adhesive 7 includes but is not limited to: epoxy, silicone, and polyurethane. The sensing part 4 is completely immersed in the pouring sealant 7 and is isolated from the outside after the pouring sealant 7 is cured, so that external dust and water vapor are prevented from contacting the sensing part 4, and the protection capability of the sensing part 4 is improved.
The above is only a preferred embodiment of the present invention, and not intended to limit the scope of the invention, and it should be appreciated by those skilled in the art that various equivalent substitutions and obvious changes made in the specification and drawings should be included within the scope of the present invention.
Claims (10)
1. A protective structure of a non-contact linear potentiometer is characterized by comprising:
a cylindrical case in which the non-contact linear potentiometer is housed, the non-contact linear potentiometer including a magnet portion and a sensing portion;
the magnet part is in sliding connection with a first guide rail arranged along the long axis direction at the lower part of the cylindrical shell through first flange structures arranged at two sides of the magnet part;
the upper part of the cylindrical shell is provided with a storage bin, and the sensing part is contained in the storage bin.
2. The protective structure according to claim 1, wherein the outer contour of the sensing portion is an elongated shape, a cable is disposed at one end of the sensing portion, and the sensing portion is connected to an external circuit through the cable.
3. The protective structure according to claim 2, wherein a front cover and a rear cover are further provided at both ends of the cylindrical housing;
the lower parts of the front cover and the rear cover are provided with openings;
the height of the opening is flush with that of the first guide rail;
and the positioning rods at the two ends of the magnet part are respectively sleeved in the open holes.
4. The shielding structure according to claim 3, wherein the magnet portion slides in the first guide rail direction, and a sliding range of the magnet portion is a distance between the front cover and the rear cover.
5. The shielding structure according to claim 1, wherein a second guide rail is provided in parallel with the first guide rail in the upper portion of the cylindrical housing;
and second flange structures are arranged on two sides of the storage bin, and the storage bin is fixedly connected with the second guide rail through the second flange structures.
6. The protective structure according to claim 3, wherein one side of the rear cover is provided with a bent structure, and the bent structure extends from the outer side surface of the rear cover to the upper part of the shell and is wrapped above the shell;
and a guide groove structure is formed between the bending structure and the upper surface of the shell.
7. The protective structure according to claim 6, wherein an opening is formed in one side of the storage bin, which is close to the rear cover, and the opening is communicated with the guide groove structure;
the cable is connected to the outside through the opening and the channel structure.
8. The protective structure according to claim 7, characterized in that the inner space of the receiving compartment matches the outer contour of the sensing portion;
the four corners of the inner space of the storage bin are respectively provided with a triangular step, and the sensing part is placed on the triangular step.
9. The protective structure according to claim 8, wherein a notch is formed on one side of the upper surface of the storage bin, which is close to the front cover, and the notch is communicated with the inner space of the storage bin.
10. The protective structure according to claim 9, wherein the inner space of the storage bin is filled with a pouring sealant;
the pouring sealant is injected into the inner space of the storage bin from the notch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121177577.1U CN215261604U (en) | 2021-05-28 | 2021-05-28 | Protective structure of non-contact linear potentiometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121177577.1U CN215261604U (en) | 2021-05-28 | 2021-05-28 | Protective structure of non-contact linear potentiometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215261604U true CN215261604U (en) | 2021-12-21 |
Family
ID=79474352
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121177577.1U Active CN215261604U (en) | 2021-05-28 | 2021-05-28 | Protective structure of non-contact linear potentiometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215261604U (en) |
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2021
- 2021-05-28 CN CN202121177577.1U patent/CN215261604U/en active Active
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