CN220018762U

CN220018762U - Platinum resistance sensor with good safety performance

Info

Publication number: CN220018762U
Application number: CN202321659173.5U
Authority: CN
Inventors: 雷济民
Original assignee: Tops Sensor Taicang Co ltd
Current assignee: Tops Sensor Taicang Co ltd
Priority date: 2023-06-28
Filing date: 2023-06-28
Publication date: 2023-11-14
Anticipated expiration: 2033-06-28

Abstract

The utility model discloses a platinum resistance sensor with good safety performance, which relates to the technical field of platinum resistance sensors, and aims at the problems that the connection part of a resistance probe and a wire is mostly exposed outside, the connection part can cause mechanical damage in the long-time use process, the safety is not high enough, the service life of the platinum resistance sensor is shortened, and the use effect is not ideal. The utility model has reasonable design, protects the connection part of the resistance probe and the lead, avoids mechanical damage to a certain extent, improves the safety performance, prolongs the service life of the platinum resistance sensor and has good use effect.

Description

Platinum resistance sensor with good safety performance

Technical Field

The utility model relates to the technical field of platinum resistance sensors, in particular to a platinum resistance sensor with good safety performance.

Background

Platinum resistance sensors are a common type of temperature sensor that uses the resistance change of platinum resistance as it changes to measure temperature. It is usually made of a platinum wire of extremely high purity, placed in an insulator and connected to the measuring instrument by wires. The platinum resistance sensor has the advantages of high precision, good stability, high response speed and the like, and is widely applied to the fields of industrial automation, scientific research, medical equipment and the like.

However, in the existing platinum resistance sensor, the connection part of the resistance probe and the lead is mostly exposed, so that mechanical damage can be caused at the connection part in the long-time use process, the safety is not high enough, the service life of the platinum resistance sensor is shortened, and the use effect is not ideal enough.

Disclosure of Invention

The utility model aims to solve the defects that the connecting part of a resistance probe and a lead is mostly exposed outside, mechanical damage is caused at the connecting part in the long-time use process, the safety is not high enough, the service life of the platinum resistance sensor is shortened, and the use effect is not ideal enough in the existing platinum resistance sensor, and provides the platinum resistance sensor with good safety performance.

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

the platinum resistance sensor with the good safety performance comprises a platinum resistance probe, wherein a wire is arranged in the platinum resistance probe, a protection box is sleeved on the outer side of the platinum resistance probe, pull rods are slidably arranged on two sides of the protection box, and vertical plates are fixedly arranged at one ends, close to each other, of the two pull rods;

the top of two the pull rod is fixedly provided with an L-shaped plate, two locating plates are fixedly arranged on the L-shaped plate, two locating plates are tightly attached to the platinum resistance probe, springs are fixedly arranged on inner walls of two sides of the platinum resistance probe, and one ends of the springs, which are close to the platinum resistance probe, are fixedly arranged on the L-shaped plate.

In a preferred embodiment, fixing seats are fixedly arranged on two sides of the protection box, and mounting holes are formed in the front sides of the fixing seats.

In a preferred embodiment, two sides that the riser is close to each other are all fixedly provided with the connecting rod, two the connecting rod is close to each other the one end all fixedly provided with the auxiliary seat, two the auxiliary seat all with the wire closely laminates.

In a preferred embodiment, two grooves are formed in the bottom of the protection box, the same guide shaft is fixedly arranged on the inner walls of the two sides of the grooves, and the vertical plate is slidably sleeved on the guide shaft.

In a preferred embodiment, guide rods are fixedly arranged on the inner walls of two sides of the protection box, and the L-shaped plates are sleeved on the corresponding guide rods in a sliding mode.

In a preferred embodiment, the two tie rods are each fixedly provided with a disc at their ends remote from each other.

According to the platinum resistor sensor with good safety performance, the two discs are pulled to be far away from each other, the movement of the discs drives the pull rod to move, the springs are compressed in the moving process of the pull rod, the platinum resistor probe and the lead are loaded into the protection box from top to bottom, the two discs are loosened, the two pull rods are mutually close under the action of spring force, the two auxiliary seats are used for positioning the lead, the two positioning plates are used for positioning the platinum resistor probe, the protection box is arranged at a specified position through the fixing seats, the platinum resistor probe and the lead are positioned, mechanical damage caused by gravity and other factors is avoided, and the service life is prolonged;

according to the platinum resistance sensor with good safety performance, when the protection box is required to be disassembled, the two discs are pulled to be far away from each other, the springs are compressed at the moment, and when the positioning plate releases the positioning of the platinum resistance probe, the auxiliary plate releases the positioning of the lead, the platinum resistance probe and the lead can be taken out from bottom to top;

the utility model has reasonable design, protects the connection part of the resistance probe and the lead, avoids mechanical damage to a certain extent, improves the safety performance, prolongs the service life of the platinum resistance sensor and has good use effect.

Drawings

FIG. 1 is a schematic perspective view of a platinum resistance sensor with good safety performance according to the present utility model;

FIG. 2 is a schematic diagram of a sectional structure of a platinum resistance sensor with good safety performance in front view;

FIG. 3 is a schematic diagram of a portion A of a platinum resistance sensor with good safety performance according to the present utility model;

fig. 4 is a schematic perspective view of a platinum resistance sensor with good safety performance according to the present utility model.

In the figure: 1. a platinum resistance probe; 2. a wire; 3. a protection box; 4. a fixing seat; 5. a pull rod; 6. a riser; 7. an L-shaped plate; 8. a positioning plate; 9. a spring; 10. a guide rod; 11. a groove; 12. a guide shaft; 13. a disk.

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.

Referring to fig. 1-4, one embodiment of the present solution provides: the platinum resistance sensor with good safety performance comprises a platinum resistance probe 1, wherein a lead 2 is arranged in the platinum resistance probe 1, a protection box 3 is sleeved outside the platinum resistance probe 1, pull rods 5 are slidably arranged on two sides of the protection box 3, and a vertical plate 6 is fixedly arranged at one end, close to each other, of each of the two pull rods 5;

the top of two pull rods 5 is all fixed and is provided with L template 7, and equal fixed mounting has locating plate 8 on two L templates 7, and two locating plates 8 are all closely laminated with platinum resistance probe 1, all fixedly on the both sides inner wall of platinum resistance probe 1 be provided with spring 9, and spring 9 is close to platinum resistance probe 1's one end and L template 7 fixed setting.

Referring to fig. 1, in this embodiment, fixing bases 4 are fixedly disposed on two sides of the protection box 3, and mounting holes are formed on front sides of the fixing bases 4, so that the protection box 3 is conveniently located.

Referring to fig. 3, in this embodiment, two risers 6 are all fixedly provided with the connecting rod on one side that is close to each other, and two connecting rods are all fixedly provided with the auxiliary seat on one end that is close to each other, and two auxiliary seats are all closely laminated with wire 2, are convenient for fix a position wire 2.

Referring to fig. 3, in this embodiment, two grooves 11 are formed in the bottom of the protection box 3, the same guide shaft 12 is fixedly arranged on the inner walls of two sides of the grooves 11, and the vertical plate 6 is slidably sleeved on the guide shaft 12, so as to play a guiding role in movement of the vertical plate 6.

Referring to fig. 3, in this embodiment, guide rods 10 are fixedly disposed on inner walls of both sides of the protection box 3, and the L-shaped plates 7 are slidably sleeved on the corresponding guide rods 10, so as to guide movement of the L-shaped plates 7.

Referring to fig. 4, in this embodiment, discs 13 are fixedly disposed at the ends of the two tie rods 5 away from each other, so as to facilitate movement of the tie rods 5.

The working principle is that the two discs 13 are pulled to enable the two discs 13 to be far away from each other, the movement of the discs 13 drives the pull rod 5 to move, the springs 9 are compressed in the process of moving the pull rod 5, the platinum resistance probe 1 and the lead 2 are put into the protection box 3 from top to bottom, the two discs 13 are loosened, the two pull rods 5 are close to each other under the action of the elastic force of the springs 9, the two auxiliary seats are used for positioning the lead 2, the two positioning plates 8 are used for positioning the platinum resistance probe 1, the protection box 3 is arranged at a specified position through the fixing seat 4, the platinum resistance probe 1 and the lead 2 are positioned, mechanical damage caused by gravity and other factors is avoided, and the service life is prolonged; when the protection box 3 needs to be disassembled, the two discs 13 are pulled to separate the two discs 13 from each other, the springs 9 are compressed at the moment, and when the positioning plate 8 releases the positioning of the platinum resistance probe 1, the auxiliary plate releases the positioning of the lead 2, the platinum resistance probe 1 and the lead 2 can be taken out from bottom to top.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus 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.

The preferred embodiments of the utility model disclosed above are intended only to assist in the explanation of the utility model. The preferred embodiments are not exhaustive or to limit the utility model to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model. The utility model is limited only by the claims and the full scope and equivalents thereof.

Claims

1. A platinum resistance sensor with good safety performance, comprising:

the platinum resistance probe (1), be equipped with wire (2) in platinum resistance probe (1), the outside cover of platinum resistance probe (1) is equipped with protection box (3), both sides of protection box (3) all slide and are provided with pull rod (5), two the one end that pull rod (5) are close to each other all is fixed and is provided with riser (6);

the top of two pull rod (5) is all fixed be provided with L template (7), two equal fixed mounting has locating plate (8) on L template (7), two locating plate (8) all with platinum resistance probe (1) closely laminate, all be fixed on the both sides inner wall of platinum resistance probe (1) are provided with spring (9), spring (9) are close to platinum resistance probe (1) one end with L template (7) are fixed to be set up.

2. A platinum resistance sensor with good safety performance according to claim 1, wherein: the protection box is characterized in that fixing seats (4) are fixedly arranged on two sides of the protection box (3), and mounting holes are formed in the front sides of the fixing seats (4).

3. A platinum resistance sensor with good safety performance according to claim 1, wherein: two one sides that riser (6) are close to each other are all fixed and are provided with the connecting rod, two the one end that the connecting rod is close to each other is all fixed and is provided with the auxiliary seat, two the auxiliary seat all with wire (2) closely laminate.

4. A platinum resistance sensor with good safety performance according to claim 1, wherein: two grooves (11) are formed in the bottom of the protection box (3), the same guide shaft (12) is fixedly arranged on the inner walls of the two sides of the grooves (11), and the vertical plate (6) is slidably sleeved on the guide shaft (12).

5. A platinum resistance sensor with good safety performance according to claim 1, wherein: guide rods (10) are fixedly arranged on the inner walls of the two sides of the protection box (3), and the L-shaped plates (7) are slidably sleeved on the corresponding guide rods (10).

6. A platinum resistance sensor with good safety performance according to claim 1, wherein: the disc (13) is fixedly arranged at one end, away from each other, of each pull rod (5).