CN213022011U

CN213022011U - Embedded armored platinum thermal resistor

Info

Publication number: CN213022011U
Application number: CN202022422540.2U
Authority: CN
Inventors: 王二艳; 刘志平
Original assignee: Tianjin Zhongyi Zhicheng Technology Co ltd
Current assignee: Tianjin Zhongyi Zhicheng Technology Co ltd
Priority date: 2020-10-27
Filing date: 2020-10-27
Publication date: 2021-04-20
Anticipated expiration: 2030-10-27

Abstract

The utility model provides an embedded armored platinum thermal resistor, which belongs to the technical field of armored platinum thermal resistors. The embedded armored platinum thermal resistor comprises an armored platinum thermal resistor component and a mounting component. The armored platinum thermal resistor assembly comprises a junction box, a metal pipe and platinum thermal resistors, the platinum thermal resistors are located inside the metal pipe, the installation assembly comprises a fixed thread sleeve, a thread rubber sleeve and a metal elastic sheet, the outer wall of the metal pipe is provided with external threads matched with the inner wall of the fixed thread sleeve, the thread rubber sleeve is connected to the outer wall of the fixed thread sleeve, the metal elastic sheet is provided with two metal elastic sheets, and the two metal elastic sheets are respectively connected to two sides of the bottom of the fixed thread sleeve. The utility model discloses in, the screw thread mounting hole that installation component can be taken with armor platinum resistance thermal subassembly and the external jar of body carries out the dismouting, and dismouting efficiency is higher.

Description

Embedded armored platinum thermal resistor

Technical Field

The utility model relates to an armor platinum resistance field particularly, relates to an embedded armor platinum resistance.

Background

The embedded armored platinum thermal resistor is a relatively common temperature detector at present, and particularly, the embedded armored platinum thermal resistor is a primary element for converting temperature change into resistance value change, and generally needs to transmit a resistance signal to a computer control device or other primary instruments through a lead.

When the embedded armored platinum thermal resistor is installed, the embedded armored platinum thermal resistor is often fixed by a fastener and a threaded mounting hole in an external tank body, so that the embedded armored platinum thermal resistor is difficult to install and disassemble. Thereby being inconvenient for the quick maintenance and replacement of the embedded armored platinum thermal resistor.

SUMMERY OF THE UTILITY MODEL

In order to compensate the above insufficiency, the utility model provides an embedded armored platinum thermal resistor aims at improving the lower problem of current embedded armored platinum thermal resistor and external jar body installation dismantlement efficiency.

The utility model discloses a realize like this:

the utility model provides an embedded armored platinum thermal resistor, which comprises an armored platinum thermal resistor component and an installation component.

The armored platinum thermal resistor assembly comprises a junction box, a metal pipe and a platinum thermal resistor, wherein the platinum thermal resistor is positioned in the metal pipe, the metal tube is filled with an insulating powder layer positioned outside the platinum thermal resistor, a metal lead is fixed on a terminal of the platinum thermal resistor, the outer wall of the platinum thermal resistor is also connected with metal reinforcing wires in pairs, the two metal reinforcing wires are respectively wound on the outer walls of the corresponding metal leads, the junction box is connected to the opening of the metal pipe, the mounting assembly comprises a fixed threaded sleeve, a threaded rubber sleeve and a metal elastic sheet, the outer wall of the metal pipe is provided with external threads matched with the inner wall of the fixed threaded sleeve, the threaded rubber sleeve is connected to the outer wall of the fixed threaded sleeve, the metal elastic pieces are two and are respectively connected to two sides of the bottom of the fixed threaded sleeve.

The utility model discloses an in one embodiment, two the metal flexure strip about metal hollow shaft symmetry sets up, and two the equal activity of metal flexure strip upper end is supported tightly in external jar internal top.

In an embodiment of the present invention, the longitudinal section of the fixed thread bushing is two L-shaped frames symmetrical about the metal pipe axis, and the inner wall of the fixed thread bushing is provided with an internal thread.

The utility model discloses an in one embodiment, run through in pairs on the terminal box and seted up the threading hole site, two the threading hole site inner wall all glues inherently and corresponds sealing rubber pad I that the metal lead wire was hugged closely mutually.

In an embodiment of the present invention, a sealing rubber gasket ii adhered to the outer wall of the upper end of the metal tube is adhered to the opening of the junction box.

The utility model discloses an in the embodiment, be connected with the plastics buckle in pairs on the terminal box, tubular metal resonator upper end outer wall both sides still all be connected with the plastics draw-in groove of plastics buckle looks adaptation.

In an embodiment of the present invention, the metal lead and the metal reinforcing wire all penetrate through the insulating powder layer, and the insulating powder layer is specifically a magnesium oxide powder filling layer.

The embedded armored platinum thermal resistor further comprises an external protection assembly, the external protection assembly comprises a protection shell and an end cover, and buffer rubber pads are adhered to the outer walls of the protection shell and the outer wall of the end cover.

In an embodiment of the present invention, a buffer rubber column is adhered to the bottom of the protective shell, the metal tube is inserted into the protective shell, and the outer end of the metal tube is tightly connected to the buffer rubber column.

In an embodiment of the present invention, the end cap is connected to the opening end of the protective shell, and the junction box is fastened to the top portion inside the end cap.

The utility model has the advantages that: the utility model discloses an above-mentioned design obtains an embedded armor platinum resistance, during the use, press two metal elastic pieces together earlier, thereby make the tubular metal resonator can insert smoothly to the screw thread mounting hole of external jar of body place from, and utilize screw thread rubber sleeve and external screw thread mounting hole cooperation can carry out the high-speed joint with the external jar of body with the tubular metal resonator, utilize two metal elastic pieces and fixed thread sleeve to support tightly at the internal and external wall of jar body simultaneously, can not only increase the stability of armor platinum resistance and jar body coupling like this, still conveniently install fast and dismantle armor platinum resistance, when dismantling armor platinum resistance, only need with screw thread rubber sleeve screw out external screw thread mounting hole can.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural view of an embedded armored platinum thermal resistor provided by an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of an armored platinum thermal resistor assembly according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a positional relationship between the terminal box and the threading hole site according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a mounting assembly according to an embodiment of the present invention;

fig. 5 is a schematic structural view of an external protection component according to an embodiment of the present invention.

In the figure: 10-armored platinum thermistor components; 110-a junction box; 120-a metal tube; 130-platinum thermistor; 140-insulating powder layer; 150-metal leads; 160-metal reinforcing wires; 170-threading hole position; 180-plastic fasteners; 190-plastic clamping grooves; 20-mounting the assembly; 210-fixing the threaded sleeve; 220-a threaded rubber sleeve; 230-metal elastic sheet; 30-an outer shield assembly; 310-a protective shell; 320-end cap.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to 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", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1, the present invention provides an embedded armored platinum thermal resistor, which includes an armored platinum thermal resistor assembly 10 and a mounting assembly 20.

The armored platinum thermal resistor assembly 10 can utilize the metal lead 150 to transfer the resistance type, utilize the insulation powder layer 140 to play an insulation role, and play a role in resisting temperature and isolating the oxidation atmosphere through the metal tube 120. The mounting assembly 20 can be used for mounting and dismounting the armored platinum thermal resistor assembly 10 and a threaded mounting hole of an external tank body, and the mounting and dismounting efficiency is high.

Referring to fig. 1 to 3, the armored platinum thermal resistor assembly 10 includes a junction box 110, a metal tube 120 and a platinum thermal resistor 130, wherein the platinum thermal resistor 130 is located inside the metal tube 120, an insulating powder layer 140 located outside the platinum thermal resistor 130 is filled in the metal tube 120, and a metal lead 150 is fixed to a terminal of the platinum thermal resistor 130, wherein two metal leads 150 are provided, and both metal leads 150 are welded to the terminal of the platinum thermal resistor 130. The outer wall of the platinum thermal resistor 130 is further connected with metal reinforcing wires 160 in pairs, the two metal reinforcing wires 160 are respectively wound on the outer walls of the corresponding metal lead wires 150, wherein after the metal reinforcing wires 160 are fixed with the platinum thermal resistor 130 in a welding mode, redundant parts of the metal reinforcing wires 160 are wound on the outer wall of the metal lead wires 150, and meanwhile, a certain length is reserved between the bottom of the metal lead wires 150 and the terminals of the platinum thermal resistor 130 before the metal reinforcing wires 160 are wound, so that the probability that the joint of the metal lead wires 150 and the platinum thermal resistor 130 is easily broken is reduced. The metal lead 150 and the metal reinforcing wire 160 penetrate through the insulating powder layer 140, the insulating powder layer 140 is specifically a magnesium oxide powder filling layer, and the magnesium oxide powder filling layer can play an insulating role, so that the insulating performance of the armored platinum thermal resistor is improved.

The junction box 110 is connected to the opening of the metal tube 120, wherein the junction box 110 is provided with threading holes 170 in a pair in a penetrating manner, sealing rubber pads I which are tightly attached to the corresponding metal leads 150 are adhered to the inner walls of the two threading holes 170, and the probability of leakage of the insulating powder layer 140 can be reduced by the aid of the sealing rubber pads I. A sealing rubber gasket II tightly attached to the outer wall of the upper end of the metal tube 120 is adhered to the opening of the junction box 110, and the sealing performance of the junction box 110 and the metal tube 120 can be improved by the aid of the sealing rubber gasket II. The terminal box 110 is connected with the plastic buckles 180 in pairs, the two sides of the outer wall of the upper end of the metal tube 120 are also connected with the plastic clamping grooves 190 matched with the plastic buckles 180, and the terminal box 110 and the metal tube 120 can be conveniently disassembled and assembled quickly by utilizing the matching of the plastic buckles 180 and the plastic clamping grooves 190 with certain plasticity.

Referring to fig. 1 and 4, the mounting assembly 20 includes a fixed threaded sleeve 210, a threaded rubber sleeve 220 and a metal elastic sheet 230, wherein the outer wall of the metal pipe 120 is provided with external threads (not shown) adapted to the inner wall of the fixed threaded sleeve 210, specifically, the longitudinal section of the fixed threaded sleeve 210 is two L-shaped frames axially symmetric with respect to the metal pipe 120, and the inner wall of the fixed threaded sleeve 210 is provided with internal threads. The threaded rubber sleeve 220 is connected to the outer wall of the fixed threaded sleeve 210, the two metal elastic sheets 230 are arranged, the two metal elastic sheets 230 are respectively connected to two sides of the bottom of the fixed threaded sleeve 210, the two metal elastic sheets 230 are arranged in an axisymmetric mode relative to the metal pipe 120, and the upper end portions of the two metal elastic sheets 230 are movably abutted against the top portion of the external tank body.

Referring to fig. 1 and 5, the embedded armored platinum thermal resistor further includes an external protection component 30, the external protection component 30 includes a protection shell 310 and an end cap 320, the outer walls of the protection shell 310 and the end cap 320 are both adhered with an inherent cushion rubber pad through a strong adhesive, the bottom of the protection shell 310 is adhered with an inherent cushion rubber column through a strong adhesive, the metal tube 120 is inserted into the protection shell 310, the outer end of the metal tube 120 is tightly abutted against the cushion rubber column, the end cap 320 is connected to the open end of the protection shell 310, and the end cap 320 and the protection shell 310 are fixed in a thread screwing mode. And terminal block 110 abuts against the inside top of end cap 320.

The working principle of the embedded armored platinum thermal resistor is as follows: when the metal tube armored platinum thermal resistor is used, the two metal elastic sheets 230 are pressed together, so that the metal tube 120 can be smoothly inserted into a threaded mounting hole of an external tank body, the metal tube 120 can be quickly connected with the external tank body by matching the threaded rubber sleeve 220 with the external threaded mounting hole, and the two metal elastic sheets 230 and the fixed threaded sleeve 210 can be tightly abutted against the inner wall and the outer wall of the tank body, so that the connection stability of the armored platinum thermal resistor and the tank body can be improved, the armored platinum thermal resistor can be conveniently and quickly mounted and dismounted, and when the armored platinum thermal resistor is dismounted, the threaded rubber sleeve 220 only needs to be screwed out of the external threaded mounting hole; in the use process of the embedded armored platinum thermal resistor, the platinum thermal resistor 130 and the metal lead 150 are welded and fixed, the resistance model is transmitted by the metal lead 150, and meanwhile, the welding firmness of the platinum thermal resistor 130 and the metal lead 150 is reinforced by the metal reinforcing wire 160, so that the probability of separation of the welding part of the platinum thermal resistor 130 and the metal lead 150 due to continuous vibration is reduced; when the embedded armored platinum thermal resistor needs to be transferred, the protection shell 310 and the end cover 320 are matched to be convenient for being protected from the outside, and meanwhile, the probability of vibration damage of the embedded armored platinum thermal resistor can be reduced by matching of the buffer rubber pads and the buffer rubber columns.

It should be noted that the specific model specifications of the metal elastic sheet 230 and the metal reinforcing wire 160 need to be determined by model selection according to the actual specification of the device, and the specific model selection calculation method adopts the prior art, so detailed description is omitted.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An embedded armored platinum thermal resistor is characterized by comprising

The armored platinum thermal resistor assembly (10) comprises a junction box (110), a metal pipe (120) and a platinum thermal resistor (130), wherein the platinum thermal resistor (130) is located inside the metal pipe (120), an insulating powder layer (140) located outside the platinum thermal resistor (130) is filled in the metal pipe (120), a metal lead (150) is fixed to a terminal of the platinum thermal resistor (130), metal reinforcing wires (160) are further connected to the outer wall of the platinum thermal resistor (130) in pairs, the two metal reinforcing wires (160) are respectively wound on the outer wall of the corresponding metal lead (150), and the junction box (110) is connected to an opening of the metal pipe (120);

installation component (20), installation component (20) are including fixed thread bush (210) and screw thread rubber sleeve (220) and metal flexure strip (230), tubular metal resonator (120) outer wall is equipped with the external screw thread with fixed thread bush (210) inner wall looks adaptation, screw thread rubber sleeve (220) are connected to fixed thread bush (210) outer wall, metal flexure strip (230) are provided with two, two metal flexure strip (230) are connected to respectively fixed thread bush (210) bottom both sides.

2. The embedded armored platinum thermal resistor as claimed in claim 1, wherein the two metal elastic sheets (230) are arranged in an axisymmetric manner with respect to the metal pipe (120), and the upper ends of the two metal elastic sheets (230) are movably abutted against the top of the external tank body.

3. The embedded armored platinum thermal resistor as claimed in claim 1, wherein the longitudinal section of the fixed threaded sleeve (210) is two L-shaped frames which are axisymmetrical about the metal pipe (120), and the inner wall of the fixed threaded sleeve (210) is provided with internal threads.

4. The embedded armored platinum thermal resistor as claimed in claim 1, wherein threading holes (170) are formed in the junction box (110) in pairs, and sealing rubber gaskets i which are tightly attached to the corresponding metal leads (150) are adhered to the inner walls of the two threading holes (170).

5. The embedded armored platinum thermal resistor as claimed in claim 1, wherein a sealing rubber gasket II clinging to the outer wall of the upper end of the metal tube (120) is adhered at the opening of the junction box (110).

6. The embedded armored platinum thermal resistor as claimed in claim 1, wherein the junction box (110) is connected with plastic buckles (180) in pairs, and two sides of the outer wall of the upper end of the metal tube (120) are connected with plastic clamping grooves (190) matched with the plastic buckles (180).

7. The platinum thermistor of claim 1, wherein the metal lead (150) and the metal reinforcing wire (160) penetrate the insulating powder layer (140), and the insulating powder layer (140) is a magnesium oxide powder filling layer.

8. The embedded armored platinum thermal resistor as claimed in claim 1, further comprising an external protection assembly (30), wherein the external protection assembly (30) comprises a protection shell (310) and an end cap (320), and buffer rubber pads are adhered to the outer walls of the protection shell (310) and the end cap (320).

9. The embedded armored platinum thermal resistor as claimed in claim 8, wherein a buffer rubber column is adhered to the bottom of the protective shell (310), the metal tube (120) is inserted into the protective shell (310), and the outer end of the metal tube (120) is tightly abutted to the buffer rubber column.

10. The platinum thermistor of claim 8, wherein the end cap (320) is connected to the open end of the protective shell (310), and the junction box (110) abuts against the inner top of the end cap (320).