CN215338152U

CN215338152U - Detachable primary iron core assembly and linear displacement sensor

Info

Publication number: CN215338152U
Application number: CN202120165496.3U
Authority: CN
Inventors: 涂金基; 张晓宇; 杨育晟
Original assignee: Jiangmen Polytechnic
Current assignee: Jiangmen Polytechnic
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-12-28
Anticipated expiration: 2031-01-21

Abstract

The utility model discloses a detachable primary iron core assembly and a linear displacement sensor, wherein the primary iron core assembly comprises: the number of the iron core end plates is two, and the two iron core end plates are arranged at intervals; the primary teeth are multiple and are spliced with each other and detachably mounted between the two iron core end plates, primary coils are wound on the primary teeth, and the outer surfaces of the primary teeth are coated with insulating layers. Wherein be detachable construction between two iron core end plates and a plurality of primary tooth, when the coiling primary coil, with primary coil on a plurality of primary coil of coiling in proper order, then on a plurality of primary tooth that will have wound primary coil splice each other and install two iron core end plates for the coiling of coil is simpler, easily the operation.

Description

Detachable primary iron core assembly and linear displacement sensor

Technical Field

The utility model relates to the technical field of linear displacement sensor structures, in particular to a detachable primary iron core assembly and a linear displacement sensor.

Background

At present, sensors for measuring linear displacement mainly comprise grating rulers, magnetic grating rulers and some capacitive and inductive sensors. The Chinese patent publication No. CN205102766 discloses a novel non-contact linear position sensor, and discloses a primary assembly, wherein the primary assembly comprises a primary iron core and a winding, a plurality of tooth columns are arranged on the primary iron core, the winding is installed on the tooth columns through an insulating part, and the winding is a primary coil. Wherein, the tooth post is along elementary iron core equispaced distribution. However, the tooth posts and the primary iron core are integrally connected and cannot be disassembled, and because the interval between the adjacent tooth posts is small, when a primary coil is wound on the tooth posts, the primary coil is not easy to wind, and the operation is difficult; in addition, the circumference of the wound coil is far larger than that of the tooth column in order to facilitate coil off-line, so that the problems of waste of copper wire materials, increase of coil resistance, overlarge coil end and the like are caused, and the product performance is affected.

Therefore, it is an urgent need to solve the problems of the prior art to provide a detachable primary core assembly for easy coil winding and a linear displacement sensor having the same.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention provides a detachable primary core assembly for easy coil winding and a linear displacement sensor having the same.

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

a removable primary core assembly comprising:

the number of the iron core end plates is two, and the two iron core end plates are arranged at intervals;

the primary tooth, the primary tooth is a plurality of, and is a plurality of the mutual concatenation of primary tooth and demountable installation are two between the iron core end plate, the last coiling of primary tooth has primary coil, the coating of primary tooth surface has the insulating layer.

According to the technical scheme, compared with the prior art, the detachable primary iron core assembly is provided, wherein the two iron core end plates and the plurality of primary teeth are of detachable structures, when the primary coil is wound, the primary coil is sequentially wound on the plurality of primary coils, and then the plurality of primary teeth wound with the primary coil are mutually spliced and installed on the two iron core end plates, so that the winding of the coil is simpler and the operation is easy.

Further, each of the primary teeth includes:

the adjacent two connecting parts and the connecting part and the adjacent iron core end plate can be detachably connected;

the top end of the coil winding neck is integrally connected with the bottom end of the connecting part;

the top end of the tooth-shaped part is integrally connected with the bottom end of the coil winding neck.

The beneficial effect who adopts above-mentioned technical scheme to produce is that, it is little to have the coiling coil girth with the primary winding on the coil is around the neck, and coil resistance is little, and coil end is little and save advantages such as coil material to when the coiling, operating personnel can utilize the coiling machine or hold connecting portion or profile of tooth portion and carry out the coiling, and is very convenient.

Furthermore, one side of the connecting part is integrally connected with a first inserting protrusion, the other side of the connecting part is provided with a first inserting groove, and the first inserting protrusion is inserted into the first inserting groove adjacent to the first inserting protrusion.

Furthermore, one side of one iron core end plate is provided with a second inserting groove which is adjacent to the first inserting protrusion in inserting fit, and the other side of the iron core end plate is integrally connected with a second inserting protrusion which is adjacent to the first inserting groove in inserting fit.

Adopt above-mentioned technical scheme to produce beneficial effect be, between a plurality of elementary teeth, all can adopt the mode of pegging graft to carry out the dismouting between elementary tooth and the iron core end plate, easily operation.

Furthermore, the first inserting protrusion and the second inserting protrusion are both semicircular structures, and the shapes of the first inserting groove and the second inserting groove are both matched with the semicircular structures.

Furthermore, the first inserting protrusion and the second inserting protrusion are both umbrella-shaped structures, and the shapes of the first inserting groove and the second inserting groove are both matched with the umbrella-shaped structures.

Furthermore, the first inserting protrusion and the second inserting protrusion are both columnar structures, the end part, far away from the connecting part, of each columnar structure is of a polyhedral structure, and the shapes of the first inserting groove and the second inserting groove are matched with those of the columnar structures.

Further, the columnar structure is a straight column or a horn-shaped column.

A linear displacement transducer comprises the primary core assembly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a detachable primary core assembly according to the present invention.

Fig. 2 is a schematic structural diagram of the iron core end plate matched with a plurality of primary teeth.

Fig. 3 shows a first embodiment of the primary tooth.

Fig. 4 shows a second embodiment of the primary tooth.

Fig. 5 shows a third embodiment of the primary tooth.

Fig. 6 shows a fourth embodiment of the primary tooth.

Wherein: 1-iron core end plate, 11-second inserting groove, 12-second inserting protrusion, 2-primary tooth, 21-connecting part, 211-first inserting protrusion, 212-first inserting groove, 22-coil winding neck, 23-tooth-shaped part and 3-primary coil.

Detailed Description

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, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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.

The embodiment of the utility model discloses a detachable primary iron core assembly, which comprises:

the number of the iron core end plates 1 is two, and the two iron core end plates 1 are arranged at intervals;

the primary teeth 2 are multiple, the primary teeth 2 are mutually spliced and are detachably mounted between the two iron core end plates 1, primary coils 3 are wound on the primary teeth 2, and the outer surfaces of the primary teeth 2 are coated with insulating layers.

Each primary tooth 2 includes:

the connecting parts 21 are detachably connected between two adjacent connecting parts 21 and between the connecting parts 21 and the adjacent iron core end plates 1;

the top end of the coil winding neck 22 is integrally connected with the bottom end of the connecting part 21;

the tooth-shaped part 23, the top of the tooth-shaped part 23 and the bottom of the coil winding neck part 22 are integrally connected.

One side of the connecting portion 21 is integrally connected with a first inserting protrusion 211, the other side of the connecting portion 21 is provided with a first inserting groove 212, and the first inserting protrusion 211 is inserted into the adjacent first inserting groove 212.

One side of one of the iron core end plates 1 is provided with a second inserting groove 11 which is inserted and matched with the adjacent first inserting protrusion 211, and one side of the other iron core end plate 1 is integrally connected with a second inserting protrusion 12 which is inserted and matched with the adjacent first inserting groove 212.

The first inserting protrusion 211 and the second inserting protrusion 12 are both semicircular structures, and the shapes of the first inserting groove 212 and the second inserting groove 11 are both matched with the semicircular structures.

The first inserting protrusion 211 and the second inserting protrusion 12 are both umbrella-shaped structures, and the shapes of the first inserting groove 212 and the second inserting groove 11 are both matched with the umbrella-shaped structures.

The first inserting protrusion 211 and the second inserting protrusion 12 are both of a cylindrical structure, the end portion of the cylindrical structure far away from the connecting portion 21 is of a polyhedral structure, and the shapes of the first inserting groove 212 and the second inserting groove 11 are matched with the cylindrical structure.

The columnar structure is a straight column or a horn-shaped column.

The utility model also provides a linear displacement sensor which comprises the primary iron core assembly.

According to the detachable primary iron core assembly, the two iron core end plates and the plurality of primary teeth are of detachable structures, when the primary coil is wound, the primary coil is sequentially wound on the plurality of primary coils, and then the plurality of primary teeth wound with the primary coil are mutually spliced and installed on the two iron core end plates, so that the winding of the coil is simpler and the operation is easy.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A removable primary core assembly, comprising:

the number of the iron core end plates (1) is two, and the two iron core end plates (1) are arranged at intervals;

elementary tooth (2), elementary tooth (2) are a plurality of, and are a plurality of elementary tooth (2) splice each other and demountable installation two between iron core end plate (1), primary tooth (2) are gone up the coiling and are had primary coil (3), the coating of elementary tooth (2) surface has the insulating layer.

2. A removable primary core assembly according to claim 1, wherein each primary tooth (2) comprises:

the connecting parts (21) are detachably connected between two adjacent connecting parts (21) and between the connecting part (21) and the adjacent iron core end plate (1);

the top end of the coil winding neck part (22) is integrally connected with the bottom end of the connecting part (21);

the top end of the tooth-shaped part (23) is integrally connected with the bottom end of the coil winding neck part (22).

3. A detachable primary core assembly according to claim 2, wherein a first insertion protrusion (211) is integrally connected to one side of the connecting portion (21), a first insertion groove (212) is formed on the other side of the connecting portion (21), and the first insertion protrusion (211) is inserted into the first insertion groove (212) adjacent to the first insertion protrusion.

4. A primary detachable core assembly according to claim 3, wherein one side of one of the core end plates (1) is provided with a second insertion groove (11) engaged with the adjacent first insertion protrusion (211), and one side of the other core end plate (1) is integrally connected with a second insertion protrusion (12) engaged with the adjacent first insertion groove (212).

5. A removable primary core assembly according to claim 4, wherein said first (211) and second (12) insertion projections are both semi-circular shaped structures, and said first (212) and second (11) insertion grooves are both shaped to fit said semi-circular shaped structures.

6. A removable primary core assembly according to claim 4, wherein said first (211) and second (12) plug-in protrusions are each an umbrella structure, and said first (212) and second (11) plug-in grooves are each shaped to fit said umbrella structure.

7. A removable primary core assembly according to claim 4, wherein the first (211) and second (12) projections are cylindrical structures, and the ends of the cylindrical structures remote from the connecting portion (21) are polyhedral structures, and the first (212) and second (11) insertion grooves are shaped to match the cylindrical structures.

8. A removable primary core assembly according to claim 7, wherein the cylindrical structure is a right cylinder or a trumpet cylinder.

9. A linear displacement transducer comprising a primary core assembly as claimed in any one of claims 1 to 8.