CN216116418U

CN216116418U - Bullet needle of area temperature measurement function

Info

Publication number: CN216116418U
Application number: CN202122804878.9U
Authority: CN
Inventors: 张涛
Original assignee: Shenzhen Minte Electronic Co ltd
Current assignee: Shenzhen Minte Technology Industry Co ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-03-22
Anticipated expiration: 2031-11-16

Abstract

The utility model relates to a bullet needle with a temperature measuring function, which comprises a needle head and a needle tube; the needle head and the needle tube are matched to enclose an accommodating cavity; a temperature sensor is also arranged in the accommodating cavity; the temperature sensor comprises a probe corresponding to the needle head and a lead group; a pushing block corresponding to the probe and a sealing ring sleeved and fixed on the pushing block are arranged in the needle head; the pushing block is provided with a first wire passing position corresponding to the wire group; the needle tube is provided with a second threading position corresponding to the guide wire group. The improved elastic needle has a temperature data acquisition function, and the probe is convenient to install. Specifically, when the wire pushing device is used, the wire group penetrates through the pushing block through the first wire passing position; then, the pushing block is inserted inwards until the pushing block pushes the probe against the needle, the probe can detect the temperature of the needle, and the pushing block simultaneously pushes the sealing ring tightly, so that the pushing block cannot slide accidentally and is installed stably; then, the lead group is penetrated on the needle tube through the second lead passing position; thus, the installation of the probe is completed, and the installation is convenient.

Description

Bullet needle of area temperature measurement function

Technical Field

The utility model relates to the technical field of elastic needles, in particular to an elastic needle with a temperature measuring function.

Background

The elastic needle is a spring type probe formed by riveting and prepressing three basic components, namely a needle head, a spring and a needle tube through a precision instrument, and is generally applied to precision connection in electronic products such as mobile phones, communication, automobiles, medical treatment, aerospace and the like. At present, many bullet needles do not have a temperature measurement function, or have a temperature measurement head, but the temperature measurement head is inconvenient to install. Therefore, there is still a need for improvements to existing pogo pin structures.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the present invention is to provide a pogo pin with a temperature measurement function, aiming at the above-mentioned defects of the prior art.

The technical scheme adopted by the utility model for solving the technical problems is as follows:

constructing a bullet needle with a temperature measuring function, which comprises a needle head and a needle tube; the needle head and the needle tube are matched to enclose an accommodating cavity; wherein: a temperature sensor is also arranged in the accommodating cavity; the temperature sensor comprises a probe and a lead group corresponding to the needle head; a pushing block corresponding to the probe and a sealing ring sleeved and fixed on the pushing block are arranged in the needle head; the pushing block is provided with a first wire passing position corresponding to the wire group; the needle tube is provided with a second wire passing position corresponding to the wire group.

Preferably, the set of wires comprises two sets of wires; the first wire passing position comprises two subslots which correspond to the two groups of wires one by one; the subslot extends longitudinally, and the width of the subslot is larger than the outer diameter of the lead;

the elastic needle also comprises a rubber sheet for covering the sub-groove; the rubber sheets correspond to the sub-grooves one by one; the rubber sheet is positioned at one end of the pushing block facing the needle tube; the front side and the rear side of the rubber sheet and one side close to the center of the pushing block are fixed with the pushing block.

Preferably, a pull rope for connecting the two groups of rubber sheets is further arranged in the accommodating cavity; the lower side of the rubber sheet is fixed with the pull rope.

Preferably, a longitudinal guide rod is further arranged inside the accommodating cavity; the guide rod is a square rod and is fixed with the needle tube; and a guide through groove corresponding to the guide rod is arranged in the middle of the pushing block.

Preferably, the needle tube is provided with a positioning groove corresponding to the guide rod.

Preferably, the positioning groove is a through groove.

Preferably, the outer surface of the pushing block is provided with a mounting groove corresponding to the sealing ring.

The utility model has the beneficial effects that: the improved elastic needle has a temperature data acquisition function, and the probe is convenient to install. Specifically, when the wire pushing device is used, the wire group penetrates through the pushing block through the first wire passing position; then, the pushing block is inserted inwards until the pushing block pushes the probe against the needle, the probe can detect the temperature of the needle, and the pushing block simultaneously pushes the sealing ring tightly, so that the pushing block cannot slide accidentally and is installed stably; then, the lead group is penetrated on the needle tube through the second lead passing position; thus, the installation of the probe is completed, and the installation is convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only part of the embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the accompanying drawings:

FIG. 1 is a perspective view of a bullet needle with temperature measurement function in accordance with a preferred embodiment of the present invention;

FIG. 2 is a sectional view of a bullet needle with temperature measurement function according to the preferred embodiment of the present invention;

fig. 3 is an enlarged view of a in fig. 2.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without inventive step, are within the scope of the present invention.

A pogo pin with temperature measuring function according to a preferred embodiment of the present invention is shown in fig. 1-3, and includes a pin 10 and a pin tube 11; the needle head 10 and the needle tube 11 are matched to enclose a containing cavity 180; a temperature sensor 12 is also arranged in the accommodating cavity 180; the temperature sensor 12 comprises a probe 13 corresponding to the needle 10 and a lead group 14; a pushing block 15 corresponding to the probe 13 and a sealing ring 16 sleeved and fixed on the pushing block 15 are arranged in the needle head 10; the pushing block 15 is provided with a first wire passing position 181 corresponding to the wire group 14; the needle cannula 11 is provided with a second threading location 182 corresponding to the lead set 14. The improved elastic needle has a temperature data acquisition function, and the probe 13 is convenient to install. Specifically, when in use, the lead group 14 is threaded on the pushing block 15 through the first wire passing position 181; then, the pushing block 15 is pushed inwards until the pushing block 15 pushes the probe 13 against the needle 10, the probe 13 can detect the temperature of the needle 10, and the pushing block 15 simultaneously pushes the sealing ring 16 tightly, so that the pushing block 15 cannot slide accidentally and is installed stably; then, the lead group 14 is threaded on the needle tube 11 through the second wire-passing 182; thus, the temperature sensor 12 is mounted conveniently.

Preferably, the temperature sensor 12 is an NTC temperature sensor.

As shown in fig. 2-3, the set of wires 14 includes two sets of wires 17; the first via bit 181 includes two sub-slots 183 corresponding to the two sets of wires 17 one to one; the sub-grooves 183 extend longitudinally, and the groove width is larger than the outer diameter of the lead, so that the lead is convenient to thread and is not easy to abrade or scratch the lead 17; the bullet needle also includes a rubber sheet 18 covering the sub-groove 183; the rubber sheets 18 correspond to the sub-grooves 183 one by one; the rubber sheet 18 is positioned at one end of the pushing block 15 facing the needle tube 11; the front side, the rear side and the side close to the center of the pushing block 15 of the rubber sheet 18 are fixed with the pushing block 15, and when threading, the side of the rubber sheet 18 which is not fixed is pulled downwards, so that the sub-groove 183 can be exposed and the lead 17 can pass through; after the threading is completed, the rubber sheet 18 is loosened, the rubber sheet 18 recovers the original shape, the lead 17 is pressed to the pushing block 15, and the pressed lead 17 covers the sub-groove 183, so that the sealing ring 16, the pushing block 15 and the lead 17 are matched to form a relatively closed cavity for the probe 13, heat is more concentrated on the needle head 10 during temperature measurement, and the detection result is more accurate.

As shown in fig. 2-3, a pull rope 19 for connecting the two groups of rubber sheets 18 is further arranged in the accommodating cavity 180; the lower side of the rubber sheet 18 is fixed with the pull rope 19, and when the pull rope 19 is pulled down, the two groups of rubber sheets 18 can be pulled simultaneously, so that the use is more convenient.

As shown in fig. 2 to 3, the accommodating chamber 180 is further provided inside with a longitudinal guide bar 110; the guide rod 110 is a square rod and is fixed with the needle tube 11; the middle part of the pushing block 15 is provided with a guiding through groove 184 corresponding to the guiding rod 110, and through the matching of the guiding rod 110 and the guiding through groove 184, the needle 10 cannot be twisted and moves more orderly when moving.

As shown in FIGS. 2-3, the needle cannula 11 is provided with a positioning groove 185 corresponding to the guide rod 110 for easy assembly.

As shown in fig. 2 to 3, the positioning groove 185 is a through groove, and the guide bar 110 can be inserted from the outside, so that the installation is more convenient.

As shown in fig. 2 to 3, the outer surface of the pushing block 15 is provided with a mounting groove 186 corresponding to the sealing ring 16, the sealing ring 16 is clamped in the mounting groove 186, and when the pushing block 15 is inserted into the needle 10, the sealing ring 16 is not easy to fall off from the pushing block 15.

It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the utility model as defined in the appended claims.

Claims

1. A bullet needle with temperature measurement function comprises a needle head and a needle tube; the needle head and the needle tube are matched to enclose an accommodating cavity; the method is characterized in that: a temperature sensor is also arranged in the accommodating cavity; the temperature sensor comprises a probe and a lead group corresponding to the needle head; a pushing block corresponding to the probe and a sealing ring sleeved and fixed on the pushing block are arranged in the needle head; the pushing block is provided with a first wire passing position corresponding to the wire group; the needle tube is provided with a second wire passing position corresponding to the wire group.

2. The pogo pin of claim 1, wherein the lead group includes two sets of leads; the first wire passing position comprises two subslots which correspond to the two groups of wires one by one; the subslot extends longitudinally, and the width of the subslot is larger than the outer diameter of the lead;

3. The pogo pin of claim 2, wherein a pull cord for connecting two sets of rubber sheets is further provided in the accommodating cavity; the lower side of the rubber sheet is fixed with the pull rope.

4. The pogo pin with temperature measuring function of claim 1, wherein a longitudinal guide rod is further provided inside the accommodating cavity; the guide rod is a square rod and is fixed with the needle tube; and a guide through groove corresponding to the guide rod is arranged in the middle of the pushing block.

5. The pogo pin of claim 4, wherein the pin tube has a positioning groove corresponding to the guide rod.

6. The pogo pin of claim 5, wherein the positioning groove is a through groove.

7. The pogo pin of claim 1, wherein an installation groove corresponding to the sealing ring is formed on an outer surface of the push block.