CN219287944U - Novel coaxial-installation waterproof metal magnetic sensor - Google Patents

Abstract

The utility model relates to the field of magnetic induction switches, in particular to a novel coaxial-installation waterproof metal magnetic sensor, which comprises a metal shell; an insulating inner shell is wrapped in the metal outer shell, and an insulating heat shrinkage pipe is wrapped in the insulating inner shell; a PCBA board is arranged in the metal outer shell and clamped between the insulating heat shrinkage pipe and the insulating inner shell; the rear end of the metal shell is provided with a rear cover, the front end of the metal shell is provided with a wire inlet hole, and the connecting wire penetrates into the wire inlet hole to be electrically connected with the PCBA board. The beneficial effects of the utility model are as follows: through being provided with insulating inner shell and insulating pyrocondensation pipe in the inside of metal casing to adopt closely the mode centre gripping of parcel to fix between insulating inner shell and insulating pyrocondensation pipe with PCBA board, not only improved waterproof nature of product, and the effectual destruction that prevents external high-pressure environment, improved structural strength, avoided the destruction of external to circuit structure on the PCBA board.

Description

Novel coaxial-installation waterproof metal magnetic sensor

Technical Field

The utility model relates to the field of magnetic induction switches, in particular to a novel coaxial-installation waterproof metal magnetic sensor.

Background

As the degree of industrial electrical automation is higher and higher, the magnetic induction switch is applied to various working environments and needs to meet technical requirements in different industrial fields, and the magnetic induction switch is widely applied in the aspects of accurate control of the stroke and the action of the cylinder.

However, the sealing performance and the protection performance of the magnetic induction switch shell on the market at present are insufficient, so that an internal structural circuit cannot be better protected, and the installation and fixation mode is a vertical penetrating screw structure, so that the installation and adjustment mode has larger limitation.

Disclosure of Invention

The utility model provides a technical scheme capable of solving the problems in order to overcome the defects of the prior art.

A novel coaxial-mounted waterproof metal magnetic sensor comprises a metal shell;

the cross section of the metal outer shell is in a convex structure, an insulating inner shell is wrapped in the metal outer shell, and an insulating heat shrinkage tube is wrapped in the insulating inner shell;

a PCBA board is arranged in the metal outer shell and clamped between the insulating heat shrinkage pipe and the insulating inner shell;

the rear end of the metal shell is provided with a rear cover, the front end of the metal shell is provided with a wire inlet hole, and the connecting wire penetrates into the wire inlet hole to be electrically connected with the PCBA board.

As a further scheme of the utility model: the upper end of the metal outer shell is provided with a lampshade hole, the insulating inner shell and the insulating heat shrinkage tube are transparent, the lampshade hole and the LED lamp of the PCBA board are mutually corresponding, and the lampshade is arranged on the lampshade hole.

As a further scheme of the utility model: the upper part of the metal shell is also provided with a square hole, an installation iron sheet is arranged in the square hole, the cross section of the installation iron sheet is in a convex structure, and the upper part of the installation iron sheet is provided with an elliptical hole;

the upper part of the wire inlet hole is also provided with a fastening screw hole, the internal thread of the fastening screw hole is connected with an adjusting screw, the tail end of the adjusting screw is of a conical structure, and the tail end of the adjusting screw is abutted with the oval hole on the mounting iron sheet.

Compared with the prior art, the utility model has the beneficial effects that: through being provided with insulating inner shell and insulating pyrocondensation pipe in the inside of metal casing to adopt closely the mode centre gripping of parcel to fix between insulating inner shell and insulating pyrocondensation pipe with PCBA board, not only improved waterproof nature of product, and the effectual destruction that prevents external high-pressure environment, improved structural strength, avoided the destruction of external to circuit structure on the PCBA board.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate this embodiment or the technical solutions of the prior art, the drawings that are required for the description of the embodiment or the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is an exploded view of the structure of the present utility model.

Fig. 3 is a side cross-sectional view of the present utility model.

Fig. 4 is a state of use diagram of the present utility model.

The figure shows: 1. a metal housing; 2. an insulating inner housing; 3. an insulating heat shrinkage tube; 4. PCBA board; 5. a rear cover; 6. a wire inlet hole; 7. connecting wires; 8. a lamp shade hole; 9. a lamp shade; 10. square holes; 11. mounting an iron sheet; 12. an elliptical hole; 13. fastening screw holes; 14. and (5) adjusting a screw.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the embodiments of the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like are to be construed broadly and include, for example, either permanently connected, removably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Referring to fig. 1-4, a novel coaxial-mounted waterproof metal magnetic sensor comprises a metal housing 1;

the cross section of the metal outer shell 1 is in a convex structure, an insulating inner shell 2 is wrapped in the metal outer shell 1, and an insulating heat shrinkage tube 3 is wrapped in the insulating inner shell 2;

a PCBA plate 4 is arranged in the metal outer shell 1, and the PCBA plate clamping 4 is arranged between the insulation heat shrinkage tube 2 and the insulation inner shell 3;

the rear end of the metal shell 1 is provided with a rear cover 5, the front end of the metal shell 1 is provided with a wire inlet hole 6, and a connecting wire 7 penetrates into the wire inlet hole 6 to be electrically connected with the PCBA 4.

Install the inside at metal casing 1 with insulating inner shell 2 and insulating pyrocondensation pipe 3 through the mode that adopts the encapsulating, again with PCBA board 4 setting between insulating inner shell 2 and insulating pyrocondensation pipe 3, realize the high leakproofness installation of PCBA board 4, better protection PCBA board 4 is last circuit structure, prevents that PCBA board 4 from receiving the stable factor influence of easily destroying circuits such as dust, water.

As a further scheme of the utility model: the upper end of the metal outer shell 1 is provided with a lampshade hole 8, the insulating inner shell 2 and the insulating heat shrinkage tube 3 are transparent, the lampshade hole 8 and the LED lamp of the PCBA board 4 are correspondingly arranged, and the lampshade hole 8 is provided with a lampshade 9.

The light emitted by the PCBA 4 during working can be emitted outwards.

As a further scheme of the utility model: the upper part of the metal shell 1 is also provided with a square hole 10, a mounting iron sheet 11 is arranged in the square hole 10, the cross section of the mounting iron sheet 11 is in a convex structure, and the upper part of the mounting iron sheet 11 is provided with an elliptical hole 12;

a fastening screw hole 13 is further formed above the wire inlet hole 6, an adjusting screw 14 is connected to the inner thread of the fastening screw hole 13, the tail end of the adjusting screw 14 is of a conical structure, and the tail end of the adjusting screw 14 is abutted to the oval hole 12 on the mounting iron sheet 11.

When the magnetic induction switch is required to be installed in the cylinder groove, the adjusting screw 14 is screwed to enable the adjusting screw 14 to move towards the direction of the installation iron sheet 11, the adjusting screw 14 is contacted with the elliptical hole 12 on the installation iron sheet 11 to press the installation iron sheet 11 to move upwards, so that two sides of the lower part of the installation iron sheet 11 pass through the square hole 10 to tightly abut against the inner end surface of the cylinder groove, and the magnetic induction switch can be locked;

when the mounting iron sheet 11 needs to be dismounted, the adjusting screw 14 is screwed to enable the adjusting screw 14 to be far away from the mounting iron sheet 11, the adjusting screw 14 is in abutting and separating with the elliptical hole 12 on the mounting iron sheet 11, the pressing force born by the mounting iron sheet 11 disappears, then the two sides of the lower part of the mounting iron sheet 11 are in tight abutting and disappearance with the inner end surface of the cylinder groove, and then the dismounting of the magnetic induction switch is realized.

It is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises an element.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. 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 application. Thus, the present application 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 (3)

1. The utility model provides a novel coaxial arrangement waterproof metal magnetism sensor which characterized in that: comprises a metal shell;

the cross section of the metal outer shell is in a convex structure, an insulating inner shell is wrapped in the metal outer shell, and an insulating heat shrinkage tube is wrapped in the insulating inner shell;

a PCBA board is arranged in the metal outer shell and clamped between the insulating heat shrinkage pipe and the insulating inner shell;

the rear end of the metal shell is provided with a rear cover, the front end of the metal shell is provided with a wire inlet hole, and the connecting wire penetrates into the wire inlet hole to be electrically connected with the PCBA board.

2. The novel coaxially mounted waterproof metal magnetic sensor of claim 1, wherein: the upper end of the metal outer shell is provided with a lampshade hole, the insulating inner shell and the insulating heat shrinkage tube are transparent, the lampshade hole and the LED lamp of the PCBA board are mutually corresponding, and the lampshade is arranged on the lampshade hole.

3. The novel coaxially mounted waterproof metal magnetic sensor of claim 1, wherein: the upper part of the metal shell is also provided with a square hole, an installation iron sheet is arranged in the square hole, the cross section of the installation iron sheet is in a convex structure, and the upper part of the installation iron sheet is provided with an elliptical hole;

the upper part of the wire inlet hole is also provided with a fastening screw hole, the internal thread of the fastening screw hole is connected with an adjusting screw, the tail end of the adjusting screw is of a conical structure, and the tail end of the adjusting screw is abutted with the oval hole on the mounting iron sheet.

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