CN216717650U

CN216717650U - Non-contact type transistor pressure sensor

Info

Publication number: CN216717650U
Application number: CN202123075340.5U
Authority: CN
Inventors: 李小龙
Original assignee: Shenzhen Junhe High Tech Co ltd
Current assignee: Shenzhen Longfa Hi Tech Co.,Ltd.
Priority date: 2021-12-08
Filing date: 2021-12-08
Publication date: 2022-06-10
Anticipated expiration: 2031-12-08

Abstract

The utility model discloses a non-contact type transistor pressure sensor, which comprises a shell, wherein a hexagonal block is arranged at the lower end of the shell, a sensor body is arranged in the shell, an annular thread groove is formed in the hexagonal block, and the outer side of the shell is in threaded connection with the inner wall of the annular thread groove; the fixed rubber pad and the movable rubber pad are attached to the upper end and the lower end of the sensor body, so that the sensor body is effectively protected; the sliding plate is driven to move downwards through the spring, so that the movable rubber pad is matched with the fixed rubber pad to fix the position of the sensor, when the sensor needs to be replaced, the shell is rotated out from the annular thread groove of the hexagonal block through rotation of the shell, and the sensor is taken out.

Description

Non-contact transistor pressure sensor

Technical Field

The utility model relates to the technical field of pressure sensors, in particular to a non-contact type transistor pressure sensor.

Background

The pressure sensor is the most commonly used sensor in industrial practice, is widely applied to various industrial automatic control environments, and relates to various industries such as water conservancy and hydropower, railway traffic, intelligent buildings, production automatic control, aerospace, military industry, petrochemical industry, oil wells, electric power, ships, machine tools, pipelines and the like.

The protection effect of the existing pressure sensor is poor, the pressure sensor is easily damaged, meanwhile, the pressure sensor is inconvenient to replace, and the adaptability of the pressure sensor is further influenced.

SUMMERY OF THE UTILITY MODEL

The present invention provides a non-contact transistor pressure sensor to solve the problem of poor protection effect of pressure sensing.

In order to achieve the purpose, the utility model provides the following technical scheme: a non-contact type transistor pressure sensor comprises a shell, wherein a hexagonal block is arranged at the lower end of the shell and is arranged at the right lower end of the shell to seal the bottom of the shell, a sensor body is arranged in the shell, and the sensor body is placed in the shell.

Preferably, an annular thread groove is formed in the hexagonal block, the annular thread groove is formed in the upper end of the hexagonal block, the outer side of the shell is in threaded connection with the inner wall of the annular thread groove, and the shell can be in threaded connection with the inner wall of the annular thread groove to connect the hexagonal block with the shell.

Preferably, the hexagonal block is bonded with a rubber pad, the rubber pad is fixedly bonded at the upper end of the hexagonal block, an external thread block is arranged on the inner side of the rubber pad, the external thread block is fixedly welded on the hexagonal block, the rubber pad is sleeved on the external thread block, a connecting end is arranged in the external thread block, and the connecting end is arranged in the external thread block and is convenient to connect.

Preferably, a cavity is formed in the shell, the cavity is formed in the inner wall of the shell, a spring is fixed on the inner wall of the cavity, the spring is fixedly welded on the inner wall of the cavity, a sliding plate is arranged at the other end of the spring, the sliding plate is fixedly welded at the other end of the spring, the outer side of the sliding plate is slidably arranged on the inner wall of the cavity, and the outer side of the sliding plate is slidably arranged on the inner wall of the cavity.

Preferably, a movable rubber pad is bonded on the sliding plate, and the movable rubber pad is fixedly bonded on the sliding plate.

Preferably, a fixed rubber pad is bonded to the upper end of the hexagonal block, and the fixed rubber pad is fixedly bonded to the upper end of the hexagonal block.

Preferably, the upper end of the sensor body is attached to the movable rubber pad, the lower end of the sensor body is attached to the fixed rubber pad, and the movable rubber pad and the fixed rubber pad have certain flexibility and can fully protect the sensor body.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the fixed rubber pad and the movable rubber pad are attached to the upper end and the lower end of the sensor body, so that the sensor body is effectively protected.

2. The sliding plate can be driven by the spring to move downwards, so that the movable rubber pad is matched with the fixed rubber pad to fix the position of the sensor, and when the sensor needs to be replaced, the shell is rotated to be screwed out from the annular thread groove of the hexagonal block, so that the sensor is taken out.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

fig. 3 is a bottom view of the present invention.

In the figure: 1. a housing; 21. hexagonal blocks; 22. an annular thread groove; 23. a rubber pad; 24. an external thread block; 25. connecting the end heads; 31. a cavity; 32. a spring; 33. a slide plate; 34. moving the rubber pad; 35. fixing a rubber pad; 4. a sensor body.

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.

Example 1

Referring to fig. 1 to 3, a non-contact transistor pressure sensor shown in the figures includes a housing 1, a hexagonal block 21 is disposed at a lower end of the housing 1, the hexagonal block 21 is disposed at a right lower end of the housing 1 to seal a bottom of the housing 1, a sensor body 4 is disposed in the housing 1, and the sensor body 4 is disposed in the housing 1.

Wherein, for the change of sensor body 4, annular thread groove 22 has been seted up in hexagonal piece 21, annular thread groove 22 sets up the upper end at hexagonal piece 21, and the outside threaded connection of shell 1 is in annular thread groove 22 inner wall, shell 1 can threaded connection to annular thread groove 22 inner wall, be connected hexagonal piece 21 and shell 1, rubber pad 23 has been bonded on hexagonal piece 21, rubber pad 23 fixed bonding is in the upper end of hexagonal piece 21, rubber pad 23 inboard is provided with external thread piece 24, external thread piece 24 fixed welding is on hexagonal piece 21, rubber pad 23 overlaps on external thread piece 24, be provided with connection end 25 in the external thread piece 24, connection end 25 sets up the connection of being convenient for in external thread piece 24.

When this sensor uses: the housing 1 is rotated so that the bottom of the housing 1 is rotated out of the annular thread groove 22 of the hexagonal block 21, the hexagonal block 21 is separated from the housing 1, and the sensor body 4 is taken out of the housing 1.

Example 2

Referring to fig. 1 to 3, in this embodiment, a non-contact transistor pressure sensor is further described in example 1, which includes a housing 1, a hexagonal block 21 is disposed at a lower end of the housing 1, the hexagonal block 21 is disposed at a right lower end of the housing 1, a bottom of the housing 1 is sealed, a sensor body 4 is disposed in the housing 1, and the sensor body 4 is disposed in the housing 1.

Wherein, for the protection of the sensor body 4, a cavity 31 is arranged in the shell 1, the cavity 31 is arranged on the inner wall of the shell 1, a spring 32 is fixed on the inner wall of the cavity 31, the spring 32 is fixedly welded on the inner wall of the cavity 31, a sliding plate 33 is arranged at the other end of the spring 32, the sliding plate 33 is fixedly welded at the other end of the spring 32, the outer side of the sliding plate 33 is arranged on the inner wall of the cavity 31 in a sliding manner, a movable rubber pad 34 is bonded on the sliding plate 33, the movable rubber pad 34 is fixedly bonded on the sliding plate 33, a fixed rubber pad 35 is bonded on the upper end of the hexagonal block 21, the fixed rubber pad 35 is fixedly bonded on the upper end of the hexagonal block 21, the upper end of the sensor body 4 is bonded on the movable rubber pad 34, and the lower end is attached to the fixed rubber pad 35, and the movable rubber pad 34 and the fixed rubber pad 35 have certain flexibility, so that the sensor body 4 can be sufficiently protected.

In this embodiment, put into shell 1 with sensor body 4, with hexagonal piece 21 through annular thread groove 22 threaded connection in shell 1 for slide 33 slides at cavity 31 inner wall, compresses spring 32, until mobile rubber pad 34 and fixed rubber pad 35 laminating in the upper and lower both sides of sensor body 4, fixes the position of sensor body 4, and mobile rubber pad 34 and fixed rubber pad 35 have certain flexibility simultaneously, can carry out abundant protection to sensor body 4.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A non-contact type transistor pressure sensor is characterized by comprising a shell (1), wherein a hexagonal block (21) is arranged at the lower end of the shell (1), a sensor body (4) is arranged in the shell (1), an annular thread groove (22) is formed in the hexagonal block (21), the outer side of the shell (1) is in threaded connection with the inner wall of the annular thread groove (22), a rubber pad (23) is bonded on the hexagonal block (21), an outer thread block (24) is arranged on the inner side of the rubber pad (23), a connecting end (25) is arranged in the outer thread block (24), a cavity (31) is formed in the shell (1), a spring (32) is fixed on the inner wall of the cavity (31), a sliding plate (33) is arranged at the other end of the spring (32), and the outer side of the sliding plate (33) is slidably arranged on the inner wall of the cavity (31), the sensor is characterized in that a movable rubber pad (34) is bonded on the sliding plate (33), a fixed rubber pad (35) is bonded at the upper end of the hexagonal block (21), the upper end of the sensor body (4) is attached to the movable rubber pad (34), and the lower end of the sensor body is attached to the fixed rubber pad (35).