CN118137211A

CN118137211A - High temperature resistant cable connector

Info

Publication number: CN118137211A
Application number: CN202410449731.8A
Authority: CN
Inventors: 李锐; 雷峰涛; 刘李力; 韩少宸
Original assignee: Shaanxi Huada Science Technology Co Ltd
Current assignee: Shaanxi Huada Science Technology Co Ltd
Priority date: 2024-04-15
Filing date: 2024-04-15
Publication date: 2024-06-04

Abstract

The invention discloses a high-temperature-resistant cable connector, and relates to the technical field of cable connection. The high-temperature-resistant cable connector comprises a shell component and a fixed sleeve component, wherein the shell component is provided with a first mounting hole with two ends penetrating through; the fixed sleeve assembly is fixedly arranged in the first mounting hole and comprises an inner conductor, an insulating support and a mounting sleeve, the mounting sleeve is provided with a second mounting hole with two ends penetrating through the inner conductor, the inner conductor is mounted to the first end of the second mounting hole through the insulating support, and the two ends of the inner conductor are respectively positioned at the two sides of the insulating support; the second end of the second mounting hole is used for mounting a cable, and a core wire of the cable is connected to the inner conductor; the second end of the second mounting hole is filled with sealant to fix the cable in the second mounting hole, and the sealant is thermosetting sealant. The high-temperature-resistant connector provided by the invention has the advantages of simple structure, low cost and high temperature resistance.

Description

High temperature resistant cable connector

Technical Field

The application relates to the technical field of cable connection, in particular to a high-temperature-resistant cable connector.

Background

With the rapid development of technologies such as aerospace and automobiles, a high-temperature-resistant cable connector is an indispensable component in various devices which need to bear high-temperature environments.

In the related art, a silicon dioxide material is often used to manufacture the high temperature resistant cable connector, which results in high manufacturing cost and high price of the high temperature resistant cable connector.

In addition, a heat insulation material is sleeved on the periphery of the high-temperature-resistant cable connector to achieve the heat insulation effect, but in the use process, the degradation speed of the heat insulation material is accelerated, and the problems of unstable tissues, deformation and crack growth under the action of temperature and stress and oxidation corrosion on the surface of the material are easily caused. In addition, the common fixing mode between the cable and the cable connector is a welding mode, and connection failure can occur at high temperature, so that the reliability of the cable connector is reduced.

Disclosure of Invention

In view of the above, the embodiment of the application provides a high temperature resistant cable connector.

The high-temperature-resistant connector provided by the embodiment of the application comprises a shell component and a fixed sleeve component. Wherein, the shell subassembly is provided with the first mounting hole that both ends run through. The fixed sleeve assembly is fixedly arranged in the first mounting hole and comprises an inner conductor, an insulating support and a mounting sleeve, the mounting sleeve is provided with a second mounting hole with two ends penetrating through the inner conductor, the inner conductor is mounted to the first end of the second mounting hole through the insulating support, and the two ends of the inner conductor are respectively positioned at the two sides of the insulating support; the second end of the second mounting hole is used for mounting a cable, and a core wire of the cable is connected to the inner conductor; the second end of the second mounting hole is filled with sealant to fix the cable in the second mounting hole, and the sealant is thermosetting sealant.

In one possible implementation manner of the application, the positions of the shell component and the mounting sleeve, which correspond to the second mounting hole and are filled with the sealant, are provided with glue injection holes.

In one possible implementation manner of the present application, the second end of the second mounting hole is provided with a limiting portion, and the limiting portion is used for limiting the sealant.

In one possible implementation manner of the present application, the limiting portion is an annular groove disposed at the second end of the second mounting hole, and an axis of the annular groove coincides with an axis of the second mounting hole.

In one possible implementation of the application, the position of the inner conductor where the insulating support is mounted is provided with a mounting section, the diameter of which is smaller than the diameter of the inner conductor on both sides of the mounting section.

In one possible implementation of the application, the inner conductor is provided with an insertion hole near one end of the cable, the insertion hole being used for core wire insertion of the cable.

In one possible implementation of the application, the housing assembly includes a first sleeve and a second sleeve, the second sleeve being connected to an end of the first sleeve adjacent the cable, the second sleeve securing the retaining sleeve assembly within the first sleeve.

In a possible implementation of the application, the outer wall of the mounting sleeve is provided with a limit flange, the axis of which coincides with the axis of the second mounting hole, and the second sleeve is screwed to the inner wall of the first sleeve, the second sleeve being in abutment with the limit flange for fixing the limit flange in the first sleeve.

In one possible embodiment of the application, the insulating support is clamped between the mounting sleeve and the first sleeve.

In one possible implementation of the application, the housing assembly further comprises a third sleeve, which is sleeved on the outer edge of the end of the first sleeve remote from the cable, the third sleeve being rotatable relative to the first sleeve, the end of the third sleeve remote from the first sleeve being provided with an internal thread for connection to a target device.

In the high-temperature-resistant cable connector provided by the embodiment of the application, the cable is fixed in the fixed sleeve component by using the sealant, and the advantages of strong sealing adhesive force and no corrosiveness to the metal matrix can be utilized to keep the connection between the cable and the fixed sleeve component, so that the service life of the high-temperature-resistant cable connector provided by the embodiment of the application is prolonged, and meanwhile, the high-temperature-resistant cable connector provided by the embodiment of the application is simple in structure and low in cost. In addition, the high-temperature-resistant sealant is selected and used for directly bonding materials, and can be instantly adhered to the surface of a substrate to form a uniform and compact high-temperature-resistant protective coating, so that the high-temperature-resistant cable connector provided by the embodiment of the application can maintain good bonding performance and corrosion resistance at high temperature, and the high-temperature-resistant capability of the high-temperature-resistant cable connector is improved, for example, the high-temperature-resistant cable connector provided by the embodiment of the application can meet the requirement of a service environment at 500 ℃.

Drawings

In order to more clearly illustrate the technical solution of the present application, the drawings that are needed in the embodiments will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application.

Fig. 1 is a schematic diagram of the overall structure of a high-temperature-resistant cable connector according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a fixing sleeve assembly of a high temperature resistant cable connector according to an embodiment of the present application.

The attached drawings are identified:

1. A housing assembly; 11. a first mounting hole; 12. a first sleeve; 13. a second sleeve; 14. a third sleeve; 2. a fixed sleeve assembly; 21. an inner conductor; 211. a mounting section; 212. an insertion hole; 22. an insulating support; 23. a mounting sleeve; 231. a second mounting hole; 232. a limit part; 2321. an annular groove; 233. a limit flange; 3. a glue injection hole; 01. and (5) sealing glue.

Detailed Description

In order to enable those skilled in the art to better understand the technical solutions of the present application, the technical solutions of the application embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application; it will be apparent that the described embodiments are only some, but not all, embodiments of the application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present application without making any inventive effort, shall fall within the scope of the present application.

The cable connector may be used for cable-to-cable direct connection or cable-to-target device connection, e.g., the cable connector may be used to connect a coaxial cable to the target device. Currently, cable connectors are often utilized for control systems in aerospace or automotive applications, etc., to transmit signals between a radio frequency coaxial cable and a target device.

The embodiment of the application provides a high-temperature-resistant cable connector. Referring to fig. 1, the high temperature resistant cable connector includes a housing assembly 1 and a stationary sleeve assembly 2. Wherein, the shell component 1 is provided with a first mounting hole 11 with two ends penetrating; the fixed sleeve assembly 2 is fixedly arranged in the first mounting hole 11, the fixed sleeve assembly 2 comprises an inner conductor 21, an insulating support 22 and a mounting sleeve 23, the mounting sleeve 23 is provided with a second mounting hole 231 with two ends penetrating through, the inner conductor 21 is arranged at the first end of the second mounting hole 231 through the insulating support 22, and the two ends of the inner conductor 21 are respectively positioned at the two sides of the insulating support 22; a second end of the second mounting hole 231 is used for mounting a cable, a core wire of which is connected to the inner conductor 21; the second end of the second mounting hole 231 is filled with a sealant 01 to fix the cable in the second mounting hole 231, and the sealant 01 is a heat-curable sealant.

Referring to fig. 1, in order to visually describe the high temperature cable connector provided by the embodiment of the present application, the high temperature cable connector provided by the embodiment of the present application is described as an SMA plug. Illustratively, referring to fig. 1, in an embodiment of the present application, a cable may be mounted to the second end of the second mounting hole 231 and the core wire of the cable is connected to the inner conductor 21, so that the cable can be connected to a target device using the inner conductor 21.

It will be appreciated that in embodiments of the present application, the housing assembly 1 may be considered a peripheral component of the high temperature resistant cable connector, and the housing assembly 1 may provide a mounting basis for the mounting sleeve assembly 2.

It should be noted that, in the embodiment of the present application, the housing assembly 1 may be composed of a plurality of parts, and the fixing sleeve assembly 2 may be conveniently installed into the housing assembly 1 through assembling the plurality of parts.

On this basis, referring to fig. 1, mounting holes penetrating both ends of the housing assembly 1 are provided in the housing assembly 1, and may be referred to as first mounting holes 11 for convenience of description. For example, referring to fig. 1, in an embodiment of the present application, the housing assembly 1 may be manufactured in a column-shell structure, for which the axial direction of the first mounting hole 11 may be disposed parallel to the axial direction of the housing assembly 1.

In the embodiment of the present application, the material of the housing assembly 1 is not limited, and in order to improve the strength of the housing assembly 1 and the protection effect on the fixing sleeve assembly 2, the material of the housing assembly 1 may be metal, and for example, the material of the housing assembly 1 may be stainless steel.

Further, referring to fig. 1, the fixing sleeve assembly 2 is fixedly installed in the first installation hole 11, and the fixing sleeve assembly 2 may be used for fixing the cable and for extending the core wire of the cable to connect the core wire of the cable with the target device.

Specifically, referring to fig. 1 and 2, the stationary sleeve assembly 2 includes an inner conductor 21, an insulating support 22, and a mounting sleeve 23. Wherein the mounting sleeve 23 is provided with mounting holes penetrating both ends of the mounting sleeve 23, which may be referred to as second mounting holes 231 for convenience of description. For example, referring to fig. 2, in an embodiment of the present application, the mounting sleeve 23 may be made in a cylindrical shell-like structure, and for this, the axial direction of the second mounting hole 231 may be disposed parallel to the axial direction of the mounting sleeve 23.

It is understood that in the embodiment of the present application, the material of the inner conductor 21 is a conductor. The insulating support 22 is made of an insulator, and the insulating support 22 can be used to isolate the inner conductor 21 from the mounting sleeve 23. For example, the material of the inner conductor 21 may be set to a high-temperature resistant metal material, such as a nickel-based alloy, or the like. In this way, the use temperature of the high-temperature-resistant cable connector provided by the embodiment of the application can be increased compared to the case where the inner conductor 21 is provided as beryllium bronze in the related art. In the embodiment of the present application, the material of the mounting sleeve 23 may be a nickel-based alloy.

Further, referring to fig. 2, the insulating support 22 may be installed at a side of the inner conductor 21 near the installation sleeve 23, and then the insulating support 22 may be installed at the first end of the second installation hole 231, so that the relative fixation between the inner conductor 21 and the installation sleeve 23 can be achieved using the insulating support 22. It should be noted that, referring to fig. 2, in the embodiment of the present application, both ends of the inner conductor 21 are located at both sides of the insulating support 22, respectively.

It should be noted that, in the high temperature resistant cable connector provided in the embodiment of the present application, the second end of the second mounting hole 231 may be used for mounting a cable. On this basis, the second end of the second mounting hole 231 is filled with a sealant 01, the sealant 01 is used to fix the cable in the second mounting hole 231, and the sealant 01 is a heat-curable sealant. It is considered that the sealant 01 is filled between the shielding layer of the cable and the second mounting hole 231, so that the cable can be adhesively fixed in the second mounting hole 231.

In the embodiment of the application, the sealant 01 can be set as the high-temperature-resistant sealant 01, the high-temperature-resistant sealant 01 has high bonding strength, good sealing performance and high-temperature resistance, does not have corrosiveness to a metal matrix, can keep good bonding performance and corrosion resistance at high temperature, and has long service life and convenient use. For example, in some embodiments of the present application, the main components of the sealant 01 are aluminosilicate, inorganic ceramic powder, and the like, and these sealants 01 can withstand high temperatures of 1800 ℃, so that the high temperature resistant cable connector provided by the embodiments of the present application can withstand the use environment requirements of 500 ℃.

On this basis, in the embodiment of the application, the sealant 01 can be set as a thermosetting sealant, and when the sealant 01 is cured, the sealant 01 can be properly heated so as to improve the bonding effect of the sealant 01.

In this way, in the high-temperature-resistant cable connector provided by the embodiment of the application, the cable is fixed in the fixed sleeve assembly 2 by using the sealant 01, and the advantages of strong adhesive force and no corrosiveness to a metal matrix of the sealant 01 can be utilized to maintain the connection between the cable and the fixed sleeve assembly 2, so that the service life of the high-temperature-resistant cable connector provided by the embodiment of the application is prolonged, and meanwhile, the high-temperature-resistant cable connector provided by the embodiment of the application is simple in structure and low in cost. In addition, the high-temperature-resistant sealant 01 is selected, so that the high-temperature-resistant sealant 01 can be used for directly bonding materials and can be instantly adhered to the surface of a substrate to form a uniform and compact high-temperature-resistant protective coating, so that the high-temperature-resistant cable connector provided by the embodiment of the application can maintain good bonding performance and corrosion resistance at high temperature, and the high-temperature-resistant capability of the high-temperature-resistant cable connector is improved, for example, the high-temperature-resistant cable connector provided by the embodiment of the application can meet the use environment requirement of 500 ℃.

In the embodiment of the present application, the second mounting hole 231 may be filled with the sealant 01 using the opening of the second end of the second mounting hole 231. In addition, the high temperature resistant cable connector may be provided with the glue injection hole 3 to fill the second mounting hole 231 with the sealant 01.

Specifically, referring to fig. 1, in the embodiment of the present application, glue injection holes 3 are provided at positions of the housing assembly 1 and the mounting sleeve 23 corresponding to the second mounting holes 231 filled with the sealant 01.

For example, referring to fig. 1, a hole may be formed in the housing assembly 1, and another hole may be formed in the mounting sleeve 23 corresponding to the hole, so that the two holes are communicated to form the injection hole 3.

Thus, by providing the glue injection hole 3, the sealant 01 can be filled into the second mounting hole 231 through the glue injection hole 3 conveniently, and the quantity and quality of the sealant 01 filled into the second mounting hole 231 can be ensured.

In addition, referring to fig. 1, in some embodiments of the present application, a limiting portion 232 is provided at the second end of the second mounting hole 231, and the limiting portion 232 is used to limit the sealant 01.

It will be appreciated that if the second end of the second mounting hole 231 is provided as a regular cylindrical surface, the force applied to the sealant 01 in the axial direction of the second mounting hole 231 is only the adhesive force between the sealant 01 and the side wall of the second mounting hole 231.

In view of this, in the embodiment of the present application, by providing the stopper 232 at the second end of the second mounting hole 231, the sealant 01 can be supported in the axial direction of the second mounting hole 231 by the stopper 232.

Illustratively, a protrusion structure may be provided at a sidewall of the second end of the second mounting hole 231, with which the sealant 01 can be supported in the axial direction of the second mounting hole 231 against the sealant 01 moving in the axial direction of the second mounting hole 231.

In addition, referring to fig. 1, in some embodiments of the present application, the limiting portion 232 is an annular groove 2321 provided at the second end of the second mounting hole 231, and an axis of the annular groove 2321 coincides with an axis of the second mounting hole 231.

Specifically, referring to fig. 1, a portion having a larger diameter may be provided at the second end of the second mounting hole 231, and the annular groove 2321 may be formed using the portion, and by providing the position of the annular groove 2321, the axis of the annular groove 2321 may be overlapped with the axis of the second mounting hole 231.

In this way, the annular groove 2321 can be used for filling the sealant 01, so that the quantity of the filled sealant 01 can be increased, the quality of the filled sealant 01 can be ensured, and the fixation of the sealant 01 to the cable can be further improved. Meanwhile, through the arrangement, the side wall of the annular groove 2321 can also be utilized to limit the sealant 01 along the axial direction of the second mounting hole 231, so that the sealant 01 is prevented from moving along the axial direction of the second mounting hole 231, and the fixation of the sealant 01 to the cable can be further improved.

In addition, referring to fig. 2, in some embodiments of the present application, the position where the inner conductor 21 is mounted to the insulating support 22 is provided with a mounting section 211, and the diameter of the mounting section 211 is smaller than the diameter of the inner conductor 21 at both sides of the mounting section 211.

With reference to fig. 2, the insulating support 22 may be fitted around the outer edge of the inner conductor 21, and the dimension of the insulating support 22 in the axial direction of the inner conductor 21 and the dimension of the mounting section 211 in the axial direction of the inner conductor 21 may be set to be the same, so that the insulating support 22 can be restrained by the mounting section 211 in the axial direction of the inner conductor 21, and the insulating support 22 can be prevented from moving relative to the inner conductor 21 in the axial direction of the inner conductor 21.

It will be appreciated that the insulating support 22 may be formed in the mounting section 211 by injection molding or the like.

In addition, referring to fig. 2, in some embodiments of the present application, an insertion hole 212 is provided at an end of the inner conductor 21 near the cable, the insertion hole 212 being used for core wire insertion of the cable.

It will be appreciated that the end of the inner conductor 21 adjacent the cable is also the end of the inner conductor 21 adjacent the second end of the second mounting hole 231.

In this way, by providing the insertion hole 212 at the end of the inner conductor 21 near the cable, the core wire of the cable can be inserted into the insertion hole 212 to achieve connection between the cable and the inner conductor 21.

The diameter of the insertion hole 212 may be set according to the diameter of the core wire of the cable, so that the diameter of the insertion hole 212 can be matched with the core wire of the cable, and the core wire of the cable can be sufficiently contacted with the insertion hole 212. Illustratively, in some embodiments of the present application, the diameter of the insertion hole 212 may be set slightly smaller than the diameter of the core of the cable, such that an interference fit between the core of the cable and the insertion hole 212 is created, ensuring contact between the core of the cable and the insertion hole 212.

In addition, referring to fig. 1, in some embodiments of the application, the housing assembly 1 includes a first sleeve 12 and a second sleeve 13, the second sleeve 13 being connected to an end of the first sleeve 12 proximate the cable, the second sleeve 13 securing the mounting sleeve assembly 2 within the first sleeve 12.

In the embodiment of the present application, the first sleeve 12 and the second sleeve 13 are both in tubular structures, and through holes are formed in the first sleeve 12 and the second sleeve 13, and the through holes of the first sleeve 12 and the through holes of the second sleeve 13 form the first mounting hole 11 or a portion of the first mounting hole 11.

In addition, in embodiments of the present application, the mounting relationship between the first sleeve 12 and the second sleeve 13 may be utilized to secure the mounting sleeve assembly 2 between the first sleeve 12 and the second sleeve 13. Illustratively, in some embodiments of the present application, the first sleeve 12 and the second sleeve 13 may be threaded or snap-fit such that the retaining sleeve assembly 2 may be clamped between the first sleeve 12 and the second sleeve 13, thereby effecting the retention of the retaining sleeve assembly 2 within the first sleeve 12.

Thus, by providing the housing assembly 1 to include the first sleeve 12 and the second sleeve 13, the fixing sleeve assembly 2 can be fixed within the first sleeve 12 by utilizing the fitting relationship between the first sleeve 12 and the second sleeve 13, so that the fixing sleeve assembly 2 can be fixed within the first sleeve 12 easily.

On this basis, referring to fig. 2, in some embodiments of the present application, the outer wall of the mounting sleeve 23 is provided with a limit flange 233, the axis of the limit flange 233 coincides with the axis of the second mounting hole 231, the second sleeve 13 is screwed to the inner wall of the first sleeve 12, and the second sleeve 13 abuts against the limit flange 233 for fixing the limit flange 233 within the first sleeve 12.

Illustratively, referring to FIG. 2, in an embodiment of the present application, a ring of raised structures may be provided on the outer wall of the mounting sleeve 23 to form the stop flange 233. Further, by adaptively setting the shape and the position of the limit flange 233, the axis of the limit flange 233 can be overlapped with the axis of the second mounting hole 231.

In the embodiment of the present application, the mounting sleeve 23 may be provided in a cylindrical column shell structure, and the limit flange 233 may be provided in a circular ring structure.

In addition, referring to fig. 1, an external thread may be provided on the outer wall of the second sleeve 13, an internal thread may be provided on the inner wall of the first sleeve 12, and the external thread and the internal thread may be screwed by appropriately providing the external thread and the internal thread.

Further, referring to fig. 1, the mounting sleeve 23 may be mounted in the first sleeve 12 such that, when the second sleeve 13 is screwed to the first sleeve 12, the second sleeve 13 may abut against the limit flange 233 of the mounting sleeve 23, so that the limit flange 233 may be fixed in the first sleeve 12, and thus the mounting sleeve 23 may be fixed in the first sleeve 12.

It will be appreciated that, referring to fig. 1, in the embodiment of the present application, a protruding portion opposite to the second sleeve 13 may be provided in the first sleeve 12 as an abutment portion of the limit flange 233, so that the limit flange 233 can be abutted between the abutment portion and the second sleeve 13, thereby achieving complete limit of the limit flange 233, and further achieving complete limit of the mounting sleeve 23.

With the above arrangement, in the high temperature resistant cable connector provided in the embodiment of the application, by screwing the second sleeve 13 to the inner wall of the first sleeve 12 and by providing the limit flange 233 on the mounting sleeve 23, the limit flange 233 can be fixed in the first sleeve 12 with the second sleeve 13, making the mounting of the mounting sleeve 23 convenient. In addition, by arranging the first sleeve 12 and the second sleeve 13 in threaded connection, the connection strength of the first sleeve 12 and the second sleeve 13 can be ensured, the connection effect between the first sleeve 12 and the second sleeve 13 can be ensured under a high-temperature environment, the connection between the first sleeve 12 and the second sleeve 13 can be kept effective, and the looseness between the first sleeve 12 and the second sleeve 13 can be avoided.

In addition, referring to fig. 1, in some embodiments of the application, an insulating support 22 is clamped between the mounting sleeve 23 and the first sleeve 12.

Specifically, referring to fig. 1, in an embodiment of the present application, a mounting groove toward the inner conductor 21 may be provided at an end of the mounting sleeve 23 near the inner conductor 21, so that the insulating support 22 may be mounted in the mounting groove. In addition, a protruding portion facing the insulating support 22 may be provided in the first sleeve 12 as an abutting portion of the insulating support 22, so that the insulating support 22 can be abutted between the abutting portion and the first sleeve 12.

In addition, referring to fig. 1, in some embodiments of the present application, the housing assembly 1 further includes a third sleeve 14, the third sleeve 14 is sleeved on an outer edge of an end of the first sleeve 12 away from the cable, the third sleeve 14 is rotatable relative to the first sleeve 12, and an end of the third sleeve 14 away from the first sleeve 12 is provided with an internal thread for connecting to a target device.

It should be appreciated that reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. It should be understood that, in various embodiments of the present application, the sequence number of each step/process described above does not mean that the execution sequence of each step/process should be determined by its functions and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present application. The foregoing embodiment numbers of the present application are merely for the purpose of description, and do not represent the advantages or disadvantages of the embodiments.

It should be noted that, in this document, 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 is merely an embodiment of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes and substitutions are intended to be covered by the scope of the present application.

Claims

1. A high temperature resistant cable connector comprising:

the shell assembly is provided with a first mounting hole with two ends penetrating through the shell assembly;

The fixed sleeve assembly is fixedly arranged in the first mounting hole and comprises an inner conductor, an insulating support and a mounting sleeve, the mounting sleeve is provided with a second mounting hole with two ends penetrating through the inner conductor, the inner conductor is mounted to the first end of the second mounting hole through the insulating support, and the two ends of the inner conductor are respectively positioned at the two sides of the insulating support; a second end of the second mounting hole is used for mounting a cable, and a core wire of the cable is connected to the inner conductor; and the second end of the second mounting hole is filled with sealant to fix the cable in the second mounting hole, and the sealant is thermosetting sealant.

2. The high temperature resistant cable connector of claim 1, wherein the housing assembly and the mounting sleeve are each provided with a glue injection hole corresponding to the second mounting hole filling sealant.

3. The high temperature resistant cable connector of claim 1, wherein the second end of the second mounting hole is provided with a limiting portion for limiting the sealant.

4. The high temperature resistant cable connector according to claim 3, wherein the limiting portion is an annular groove provided at the second end of the second mounting hole, and an axis of the annular groove coincides with an axis of the second mounting hole.

5. The high temperature resistant cable connector according to claim 1, wherein the position where the inner conductor is mounted to the insulating support is provided with a mounting section having a diameter smaller than the diameter of the inner conductor on both sides of the mounting section.

6. The high temperature resistant cable connector according to claim 1, wherein an end of the inner conductor near the cable is provided with an insertion hole for insertion of a core wire of the cable.

7. The high temperature resistant cable connector of claim 1, wherein the housing assembly comprises a first sleeve and a second sleeve, the second sleeve being connected to an end of the first sleeve proximate the cable, the second sleeve securing the retention sleeve assembly within the first sleeve.

8. The high temperature resistant cable connector according to claim 7, wherein an outer wall of the mounting sleeve is provided with a limit flange, an axis of the limit flange coincides with an axis of the second mounting hole, the second sleeve is threadedly connected to an inner wall of the first sleeve, and the second sleeve abuts the limit flange for fixing the limit flange within the first sleeve.

9. The high temperature resistant cable connector of claim 7 wherein the insulating support is clamped between the mounting sleeve and the first sleeve.

10. The high temperature resistant cable connector according to claim 7, wherein the housing assembly further comprises a third sleeve sleeved on an outer edge of an end of the first sleeve remote from the cable, the third sleeve being rotatable relative to the first sleeve, an end of the third sleeve remote from the first sleeve being provided with internal threads for connection to a target device.