CN219890603U

CN219890603U - Novel thermocouple sensor

Info

Publication number: CN219890603U
Application number: CN202321478292.0U
Authority: CN
Inventors: 王嘉耕; 曾庆财
Original assignee: Beijing Aerospace Jinshi Technology Co ltd
Current assignee: Beijing Aerospace Jinshi Technology Co ltd
Priority date: 2023-06-12
Filing date: 2023-06-12
Publication date: 2023-10-24
Anticipated expiration: 2033-06-12

Abstract

The utility model discloses a novel thermocouple sensor, which belongs to the field of thermocouple sensors and comprises a first packaging shell, an interface end, a second packaging shell, a connecting end and a cold end, wherein the second packaging shell and the interface end are positioned on the side wall of the upper end of the first packaging shell, the connecting end is positioned at the lower end of the first packaging shell, the cold end is inserted into the connecting end to extend into the first packaging shell, a connecting sleeve is sleeved at the joint of the cold end and the connecting end, the connecting sleeve is connected with a hexagonal nut through a threaded part, and an elastic sheet and an embedded block which are matched with the connecting end are arranged at the end of the connecting sleeve. According to the novel thermocouple sensor, the connecting structure of the cold end and the connecting end of the sensor is improved, the connecting sleeve, the hexagonal nut, the elastic piece and the embedded block are arranged, the embedded block and the elastic piece rotate through the hexagonal nut, and the embedded block is embedded into the embedded holes of the cold end and the connecting end when the hexagonal nut rotates, so that the connection between the cold end and the connecting end is realized, and the firmness performance of the connecting part is improved by an embedded connection mode.

Description

Novel thermocouple sensor

Technical Field

The utility model relates to the field of thermocouple sensors, in particular to a novel thermocouple sensor.

Background

The sensor is the most commonly used contact type in industry. The thermocouple has the characteristics of stable performance, large temperature measuring range, signal capability and the like, and is simple in structure and convenient to use. The thermocouple can be with heat energy direct conversion to output signal for show, record and transmission are all very easy, and thermocouple sensor's cold junction is installed in the lower extreme of encapsulation shell, adopts adapter sleeve and hexagonal nut to realize connecting at present, because cold junction and link and adapter sleeve are by circular design, and the link does not have embedded structure and makes junction firm performance not enough.

Disclosure of Invention

The utility model mainly aims to provide a novel thermocouple sensor which can effectively solve the problems in the background technology.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

the utility model provides a novel thermocouple sensor, includes first encapsulation shell, interface end, second encapsulation shell, link and cold junction, second encapsulation shell and interface end are located first encapsulation shell upper end lateral wall, and the lower extreme of first encapsulation shell is arranged in to the link, and the cold junction inserts the link and extends to in the first encapsulation shell, cold junction and link junction cover are equipped with the adapter sleeve, and the adapter sleeve passes through screw portion and is connected with hexagon nut, the end of adapter sleeve is equipped with elastic sheet and the embedded block with the link adaptation, rotatory hexagon nut extrusion elastic sheet is pressed the embedded block into the embedded hole of link and cold junction end.

According to the preferred scheme of the utility model, five notches are formed in the end head of the connecting sleeve, a group of elastic pieces and embedded block assemblies are arranged in each notch, the five notches are distributed in an annular array, and the five embedded blocks are aligned with embedded holes formed in the connecting end and the cold end head;

according to the preferred scheme of the utility model, the connecting sleeve is in sealing connection with the cold end;

according to the preferred scheme of the utility model, the elastic sheet and the embedded block are integrally designed, the inner end and the outer end of the embedded block are arc-shaped, and the corner of the embedded block is designed as a round corner;

according to the preferred scheme of the utility model, the cross section of the elastic sheet is in a trapezoid design, and the width of the elastic sheet is sequentially reduced from the outer end to the inner end;

according to the preferred scheme of the utility model, the elastic sheet is made of elastic metal material, and the elastic sheet is fixed between the elastic sheet and the connecting sleeve.

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

according to the utility model, the connecting structure of the cold end and the connecting end of the sensor is improved, the connecting sleeve, the hexagonal nut, the elastic piece and the embedded piece are arranged, the embedded piece and the elastic piece rotate through the hexagonal nut, and the embedded piece is embedded into the embedded hole of the cold end and the connecting end when the hexagonal nut rotates, so that the connection between the cold end and the connecting end is realized, and the firmness of the connecting part is effectively improved due to the embedded connection mode.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an overall structural representation of the present utility model;

FIG. 3 is an enlarged schematic view of FIG. 1 at A;

fig. 4 is a diagram showing a connection assembly of the present utility model.

In the figure: 1. a first package case; 2. an interface end; 3. a second package case; 4. a connection end; 5. a cold end; 6. connecting sleeves; 7. a threaded portion; 8. a hexagonal nut; 9. a notch; 10. an elastic sheet; 11. and embedding the blocks.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, the novel thermocouple sensor comprises a first packaging shell 1, an interface end 2, a second packaging shell 3, a connecting end 4 and a cold end 5, wherein the second packaging shell 3 and the interface end 2 are positioned on the upper end side wall of the first packaging shell 1, the connecting end 4 is arranged at the lower end of the first packaging shell 1, the cold end 5 is inserted into the connecting end 4 and extends into the first packaging shell 1, a connecting sleeve 6 is sleeved at the joint of the cold end 5 and the connecting end 4, the connecting sleeve 6 is connected with a hexagonal nut 8 through a threaded part 7, an elastic piece 10 and an embedded block 11 which are matched with the connecting end 4 are arranged at the end of the connecting sleeve 6, and the embedded block 11 is pressed into embedded holes at the end of the connecting end 4 and the end 5 by rotating the hexagonal nut 8 to extrude the elastic piece 10; the connecting sleeve 6 is connected with the cold end 5 in a sealing way; the elastic piece 10 and the embedded block 11 are integrally designed, the inner end and the outer end of the embedded block 11 are arc-shaped, and the corner of the embedded block 11 is a round corner; the cross section of the elastic sheet 10 is in a trapezoid design, and the width of the elastic sheet 10 is sequentially reduced from the outer end to the inner end; the elastic sheet 10 is made of elastic metal material, and the elastic sheet 10 is fixed with the connecting sleeve 6; when the connecting sleeve 6 is used, the hexagonal nut 8 is sleeved on the connecting sleeve 6, the hexagonal nut 8 is rotated to the elastic sheet 10 due to the fact that the threaded parts 7 on the hexagonal nut 8 and the connecting sleeve 6 are matched, the hexagonal nut 8 is rotated to the position of the elastic sheet 10, the elastic sheet 10 is inwards extruded in the continuous rotation process of the hexagonal nut 8 due to the fact that the cross section of the elastic sheet 10 is of a trapezoid design, the inwards extrusion is that the axial extension line of the connecting sleeve 6 is taken as the center, the elastic sheet 10 is inwards extruded towards the axial extension line of the connecting sleeve 6, the end of the elastic sheet 10 is an embedded block 11, the embedded block 11 is matched with the side walls of the cold end 5 and the connecting end 4, when the embedded block 11 is not aligned, the embedded block 11 is extruded into the embedded hole by rotating the connecting sleeve 6, so that embedded connection among the connecting sleeve 6, the cold end 5 and the connecting end 4 is completed, and the connecting sleeve 6 can be reversely used, and when the elastic sheet 10 and the embedded block 11 are outwards designed, and connection among the cold end 5 and the connecting end 4 can be realized in the two modes.

Five notches 9 are formed in the end of the connecting sleeve 6, a group of elastic pieces 10 and embedded blocks 11 are arranged in each notch 9, the five notches 9 are distributed in an annular array, the five embedded blocks 11 are aligned with embedded holes formed in the end of the connecting end 4 and the end of the cold end 5, and when the elastic pieces 10 are embedded in the notches 9, the elastic pieces 10 can be stored in the notches 9, so that the elastic pieces 10 and the embedded blocks 11 are prevented from excessively protruding as much as possible.

It should be noted that in this document, relational terms such as first and second (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 the element.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a novel thermocouple sensor, includes first encapsulation shell (1), interface end (2), second encapsulation shell (3), link (4) and cold junction (5), second encapsulation shell (3) and interface end (2) are located first encapsulation shell (1) upper end lateral wall, and the lower extreme of first encapsulation shell (1) is arranged in to link (4), and cold junction (5) insert link (4) and extend to in first encapsulation shell (1), its characterized in that: the cold junction (5) and link (4) junction cover is equipped with adapter sleeve (6), and adapter sleeve (6) are connected with hexagon nut (8) through screw portion (7), the end of adapter sleeve (6) be equipped with link (4) adaptation's elastic sheet (10) and embedded block (11), rotatory hexagon nut (8) extrusion elastic sheet (10) are pressed embedded block (11) into the embedded hole of link (4) and cold junction (5) end.

2. The novel thermocouple sensor according to claim 1, wherein: five notches (9) are formed in the end of the connecting sleeve (6), a group of elastic pieces (10) and embedded blocks (11) are arranged in each notch (9), the five notches (9) are distributed in an annular array, and embedded holes are formed in the ends of the five embedded blocks (11) and the connecting end (4) and the cold end (5) in alignment.

3. A novel thermocouple sensor according to claim 1 or 2, characterized in that: the elastic piece (10) and the embedded block (11) are integrally designed, the inner end and the outer end of the embedded block (11) are arc-shaped, and the corner of the embedded block (11) is in a round corner design.

4. The novel thermocouple sensor according to claim 1, wherein: the connecting sleeve (6) is connected with the cold end (5) in a sealing way.

5. The novel thermocouple sensor according to claim 4, wherein: the cross section of the elastic sheet (10) is in a trapezoid design, and the width of the elastic sheet (10) is sequentially reduced from the outer end to the inner end.

6. The novel thermocouple sensor according to claim 5, wherein: the elastic sheet (10) is made of elastic metal material, and the elastic sheet (10) is fixed with the connecting sleeve (6).