CN215177511U

CN215177511U - Oil cylinder position detection sensor

Info

Publication number: CN215177511U
Application number: CN202121463682.1U
Authority: CN
Inventors: 林星星; 苏振欣; 郭元杰; 刘德雷
Original assignee: Wenzhou Uborn Electric Co ltd
Current assignee: Wenzhou Uborn Electric Co ltd
Priority date: 2021-06-30
Filing date: 2021-06-30
Publication date: 2021-12-14
Anticipated expiration: 2031-06-30

Abstract

The utility model discloses a hydro-cylinder position detection sensor relates to the detection switch field, install the casing and the embedding sealed including one end opening and other end and be the fixed skeleton of cavity form in the casing, fixed skeleton front end is equipped with the circuit board, install the plug on the circuit board, the casing intussuseption is filled with the resin, be equipped with the chip between the terminal one end that seals with the casing of fixed skeleton. The utility model has the advantages of accuracy and stability.

Description

Oil cylinder position detection sensor

Technical Field

The utility model relates to a detection switch field, concretely relates to hydro-cylinder position detection sensor.

Background

The existing oil cylinder position detection sensor generally adopts a magnetic core coil, and workers generally need to manually adjust the detection distance in the process of assembling the structural formula, so that the problems of poor stability and inaccurate detection result exist.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of background art, the utility model provides a stable accurate hydro-cylinder position detection sensor.

The utility model discloses the technical scheme who adopts: the utility model provides an hydro-cylinder position detection sensor, includes that casing and embedding that one end opening and other end sealed install in the casing and be the fixed skeleton of cavity form, fixed skeleton front end is equipped with the circuit board, install the plug on the circuit board, the casing intussuseption is filled with resin, be equipped with the chip between the terminal one end that seals with the casing of fixed skeleton.

The plug is spot-welded and installed in the center of the circuit board.

The fixed frame front end is equipped with the mounting panel that supplies the laminating installation of circuit board, the mounting panel outwards extends along circumference, the inside step face that is equipped with of casing, the mounting panel forms the cavity that supplies the resin to hold with the cooperation of step face.

The end of the shell opening is provided with a flaring conical surface.

And the circuit board is provided with a plurality of resin sealing and filling holes.

The chip is provided with a plurality of wires, and the wires pass through the inner hole of the fixed framework and are connected with the circuit board.

A plurality of external threads are arranged outside the shell.

The inner wall of the chamber is provided with a plurality of annular grooves.

The utility model has the advantages that: according to the technical scheme, the chip is used for replacing a magnetic core coil, the turning gauge standard is realized, the detection distance is more accurate and stable, the chip is uniformly programmed to set the detection distance, and the detection distance does not need to be manually adjusted during assembly of workers, so that the detection distance is more accurate and stable; in addition, the fixing framework accurately fixes the position of the chip to be integrally installed, so that the detection distance is more accurate, and resin is filled in the shell to improve the sealing and waterproof performance.

Drawings

Fig. 1 is the utility model discloses an oil cylinder position detection sensor's schematic structure diagram.

Fig. 2 is a schematic view of a disassembled structure of the cylinder position detection sensor after the housing is removed.

Fig. 3 is a schematic structural diagram of the circuit board.

Detailed Description

The embodiments of the present invention will be further explained with reference to the accompanying drawings:

as shown in the figure, the oil cylinder position detection sensor comprises a shell 1 with one open end and the other sealed end and a hollow fixed framework 2 embedded in the shell 1, wherein a circuit board 4 is arranged at the front end of the fixed framework 2, a plug 6 is arranged on the circuit board 4, the shell 1 is filled with resin, and a chip 3 is arranged between the tail end of the fixed framework 2 and one sealed end of the shell 1; according to the technical scheme, the chip is used for replacing a magnetic core coil, the turning gauge standard is realized, the detection distance is more accurate and stable, the chip is uniformly programmed to set the detection distance, and the detection distance does not need to be manually adjusted during assembly of workers, so that the detection distance is more accurate and stable; in addition, the fixing framework accurately fixes the position of the chip to be integrally installed, so that the detection distance is more accurate, and resin is filled in the shell to improve the sealing and waterproof performance.

The plug 6 is installed in the center position of the circuit board 4 in a spot welding mode, stable installation of the plug is guaranteed, and detection accuracy is improved.

2 front ends of fixed skeleton are equipped with the mounting panel 7 that supplies 4 laminating installations of circuit board, the outside extension of circumference is followed to mounting panel 7, 1 inside step face 8 that is equipped with of casing, mounting panel 7 forms the cavity 9 that supplies the resin to hold with the cooperation of step face 8, be equipped with a plurality of resin on the circuit board 4 and seal irrigation hole 11, the operation workman can follow resin and seal irrigation hole filling resin, and in the resin got into the cavity, the resin can stop filling when overflowing from resin seal irrigation hole.

The open end of the shell 1 is provided with a flaring conical surface 10, the fixed framework can be installed along the flaring conical surface, the blocking condition is prevented during installation, and the installation fluency is ensured.

The chip 3 is provided with a plurality of leads 12, the leads penetrate through the inner hole of the fixed framework 2 to be connected with the circuit board 4, and the leads are hidden in the inner hole of the fixed framework, so that the chip and the fixed framework can be conveniently and integrally installed.

A plurality of external threads 13 are arranged outside the shell 1, so that the shell can be conveniently disassembled and assembled.

The inner wall of the cavity 9 is provided with a plurality of annular grooves 14, the resin can be embedded into the annular grooves after being hardened, the resin wraps the fixed framework, and the effect of preventing the fixed framework from being separated from the shell can be achieved.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

The skilled person should understand that: although the present invention has been described in terms of the above embodiments, the inventive concepts are not limited to the embodiments, and any modifications that utilize the inventive concepts are intended to be included within the scope of the appended claims.

Claims

1. The utility model provides an hydro-cylinder position detection sensor, includes that casing (1) and the embedding that one end opening and other end sealed install in casing (1) and be fixed skeleton (2) of cavity form, fixed skeleton (2) front end is equipped with circuit board (4), install plug (6) on circuit board (4), casing (1) intussuseption is filled with resin, its characterized in that: and a chip (3) is arranged between the tail end of the fixed framework (2) and one end of the seal of the shell (1).

2. The cylinder position detecting sensor according to claim 1, characterized in that: the plug (6) is installed at the center of the circuit board (4) in a spot welding mode.

3. The cylinder position detecting sensor according to claim 1, characterized in that: fixed skeleton (2) front end is equipped with mounting panel (7) that supply circuit board (4) laminating installation, outwards extend along circumference mounting panel (7), casing (1) inside is equipped with step face (8), mounting panel (7) and step face (8) cooperation form cavity (9) that supply the resin to hold.

4. The cylinder position detecting sensor according to claim 1, characterized in that: the open end of the shell (1) is provided with a flaring conical surface (10).

5. The cylinder position detecting sensor according to claim 1, characterized in that: and a plurality of resin sealing and pouring holes (11) are formed in the circuit board (4).

6. The cylinder position detecting sensor according to claim 1, characterized in that: the chip (3) is provided with a plurality of leads (12), and the leads penetrate through the inner hole of the fixed framework (2) and are connected with the circuit board (4).

7. The cylinder position detecting sensor according to claim 1, characterized in that: a plurality of external threads (13) are arranged outside the shell (1).

8. The cylinder position detecting sensor according to claim 3, characterized in that: the inner wall of the cavity (9) is provided with a plurality of annular grooves (14).