Circular electric connector with ultra-high-temperature-resistant insulator

Abstract

The invention relates to the technical field of electric connector devices, in particular to a circular electric connector with an ultrahigh-temperature-resistant insulator, which comprises two groups of wire clamping plates which are oppositely arranged, an aviation plug is fixed at the front end of each group of wire clamping plates, a cover plate is arranged in each aviation plug, a circle of inner cap is fixed on one outer side of each cover plate, and a wire sealing body is fixed at the front end of each cover plate. The front end of the wire sealing body is provided with the insulator, the insulator is sleeved with the aviation plug-in card cap, the inner sides of the insulator, the cover plate and the wire sealing body are provided with the jacks, the jacks are internally provided with the contact pins, the two sides of the contact pins are provided with the sheaths, the outer side of the aviation plug-in card cap is sleeved with the plug shell, and installation, disassembly and replacement are convenient. In order to improve the high-temperature resistance of the product, the insulator and the rubber part are made of high-temperature-resistant materials and an inner cap locking structure, so that the use of high-temperature-resistant materials such as clamping jaws is avoided, and the size and thickness of the mounting large plate and the size of the mounting screw hole are enlarged in order to enhance the mounting stability and safety.

Description

Technical Field

[0001] The present invention relates to the technical field of electric connector devices, and in particular to a circular electric connector with an ultra-high temperature resistant insulator. Background Art

[0002] Electrical connectors are generally divided into two types according to their use: civil and military electrical connectors; and they are divided into round and rectangular electrical connectors according to their shapes. Civilian electrical connectors are used in commercial applications with high requirements, but most of them have general requirements.

[0003] For circular connectors, due to the limitation of the materials of insulators and rubber parts of ordinary connectors and the fact that accessories such as claws are not resistant to high temperatures, ordinary circular connectors do not have high temperature resistance. Therefore, the high temperature resistance of the materials used for insulators and rubber parts of plugs and sockets and the assembly structure that avoids the use of materials that are not resistant to high temperatures are important indicators for testing the high temperature resistance of products. Summary of the invention

[0004] Technical issues solved

[0005] In view of the above shortcomings of the prior art, the present invention provides a circular electrical connector with an ultra-high temperature resistant insulator. The selection of high temperature resistant materials for the insulator and rubber parts and the inner cap locking structure are made of nickel-chromium material, which greatly improves the ultra-high temperature resistance of the device compared with the existing structure, and has excellent elongation, compressive strength, surface finish, oxidation resistance, sulfur resistance, and permeability resistance. It can maintain stable performance at temperatures up to 1200 degrees. The rubber parts are made of high temperature rubber 401-30°, which ensures the electrical performance of the product while also ensuring the high temperature resistance of the product. The inner cap locking structure makes it easy to disassemble the product, which is convenient for crimping wires and replacing accessories. At the same time, it also avoids affecting the high temperature resistance of the product due to the use of accessories such as claws that are not resistant to high temperatures; it can effectively solve the problems of the high temperature resistance of the materials used for the insulators and rubber parts of plugs and sockets in the prior art and avoid the use of assembly structures that are not resistant to high temperatures.

[0006] Technical Solution

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] The invention provides a circular electrical connector with an ultra-high temperature resistant insulator, comprising two groups of clamping plates arranged opposite to each other, an aviation plug being fixed at the front end of each group of the clamping plates, a cover plate being arranged inside the aviation plug, a circle of inner cap being fixed on the outer side of the cover plate, a sealing body being fixed at the front end of the cover plate, an insulator being arranged at the front end of the sealing body, an aviation plug cap being sleeved on the outer side of the insulator, a jack being provided on the inner sides of the insulator, the cover plate and the sealing body, a plug pin being provided in the jack, a sheath being provided on both sides of the plug pin, a plug shell being sleeved on the outer side of the plug plug cap, a gap being provided between the plug shell and the aviation plug cap, a threaded structure being provided on the inner side of the plug shell, a socket being provided between the two groups of the clamping plates, a hollow annular structure being provided on both sides of the socket; and a threaded connection being provided on the outer side of the annular structure with the inner side wall of the plug shell, and a sintered body being fixed at the middle part of the socket, a jack being provided at the middle part of the sintered body, and the plug pin comprising a limiting ring having a needle body sleeved on the front end of the needle body.

[0009] Furthermore, the inner wall of each group of the aviation plugs is recessed toward the outer side and is provided with a threaded structure, the outer sides of the inner cap and the sealing body are provided with a threaded structure, and the outer sides of the inner cap and the sealing body are threadedly connected to the inner recessed portion of the aviation plug.

[0010] Furthermore, the plug shell is trumpet-shaped with a small inner side and a large outer side, and a retaining ring is sleeved between the inner side of the plug shell and the outer side wall of the aviation plug, an anti-jump ring is sleeved on the outer side of the retaining ring, and a corrugated ring is arranged on the outer side of the anti-jump ring.

[0011] Furthermore, the clamping plates are arranged in two groups opposite to each other, and the two groups of clamping plates are connected and fixed by screws.

[0012] Furthermore, a slot structure is provided on the inner side wall of the socket, and a square pad is fixed in the slot structure.

[0013] Furthermore, the front end of the needle body is a hollow tubular forked structure, and the inner diameter of the sheath is matched with the outer diameter of the limiting ring, and the tail end of the needle body is fixed with a limiting ring structure, and the inner side of the socket is provided with a groove structure whose size is matched with the size of the limiting ring.

[0014] Furthermore, an I-shaped socket coil is sleeved on the outer side of the insulator, and the front end of the socket coil is fixedly clamped on the inner side of the annular structure on both sides of the socket, and a slide groove is opened on the inner side of the annular structure, and multiple groups of plug blocks are fixed on the outer side of the inner wall of the aviation plug cap, and the size of the plug blocks is adapted to the size of the slide groove.

[0015] Furthermore, the insulator and the sintered body are both made of nickel-chromium alloy.

[0016] Furthermore, the jacks are arranged in a plurality of groups in an equidistant array on the sintered body.

[0017] Beneficial Effects

[0018] Compared with the known public technology, the technical solution provided by the present invention has the following beneficial effects:

[0019] 1. The present invention has a simple structure, strong high temperature resistance, easy installation and disassembly, and is easy to replace by setting up a plug housing-socket-plug housing connection structure. In order to improve the high temperature resistance of the product, the insulator and rubber parts are made of high temperature resistant materials and an inner cap locking structure is used to avoid the use of high temperature resistant materials such as claws. In order to enhance the stability and safety of the installation, the size, thickness and size of the installation plate and the size of the installation screw holes are enlarged.

[0020] 2. In the present invention, the product insulator, the selection of high temperature resistant materials for rubber parts and the internal parallel cap locking structure. The rubber parts are made of high temperature rubber 401-30°, which ensures the electrical performance of the product while also ensuring the high temperature resistance of the product. The internal parallel cap locking structure makes the product easy to disassemble, easy to crimp wires and replace accessories, and also avoids affecting the high temperature resistance of the product due to the use of accessories such as claws that are not high temperature resistant.

[0021] 3. In the present invention, the sintered body and the insulator structure are made of nickel-chromium material, which greatly improves the ultra-high temperature resistance of the device compared with the existing structure, and has excellent elongation, compressive strength, surface finish, oxidation resistance, sulfur resistance, and permeability resistance. It can maintain stable performance at temperatures up to 1200 degrees, effectively extending the service life and life of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 It is a structural connection diagram of the present invention;

[0024] Figure 2 It is a structural explosion diagram of the present invention;

[0025] Figure 3 for Figure 2 Structural cross-section diagram in ;

[0026] Figure 4 A structural cross-sectional view of a set of plugs and sockets in the present invention;

[0027] Figure 5 is a structural cross-sectional view of the socket in the present invention;

[0028] Figure 6 is a structural cross-sectional view of the insulator in the present invention;

[0029] Figure 7 This is a structural breakdown diagram of the pin and the sheath in the present invention;

[0030] Figure 8 It is a schematic cross-sectional view of the structural connection of the present invention.

[0031] The numbers in the figure represent: 1. Plug body; 2. Aviation card cap; 3. Sheath; 4. Socket; 5. Corrugated ring; 6. Anti-jump ring; 7. Retaining ring; 8. Insulator; 9. Wire sealing body; 10. Cover plate; 11. Inner parallel cap; 12. Aviation plug; 13. Screw; 14. Wire clamp; 15. Pin; 151. Pin body; 152. Limiting ring; 16. Sintered body; 17. Socket; 18. Socket coil; 19. Square pad. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] The present invention will be further described below in conjunction with the embodiments.

[0034] Embodiment: A circular electrical connector with an ultra-high temperature resistant insulator, see the attached Figure 1 -Attached Figure 8,; comprising two groups of clamping plates 14 arranged opposite to each other, each group of the clamping plates 14 having an aviation plug 12 fixed to the front end, the aviation plug 12 having a cover plate 10 arranged inside, a circle of inner cap 11 fixed to the outer side of the cover plate 10, a sealing body 9 fixed to the front end of the cover plate 10, an insulator 8 arranged at the front end of the sealing body 9, an aviation plug cap 2 sleeved on the outer side of the insulator 8, a socket 4 is provided on the inner side of the insulator 8, a pin 15 is arranged in the socket 4, and a sheath 3 is arranged on both sides of the pin 15, the aviation plug 12 having a cover plate 10 arranged inside, a sealing body 9 having a cover plate 11 fixed to the outer side, an insulator 8 arranged at the front end of the sealing body 9, an aviation plug cap 2 sleeved on the outer side of the insulator 8, a socket 4 is provided on the inner side of the insulator 8, a pin 15 is arranged in the socket 4, and a sheath 3 is arranged on both sides of the pin 15, the aviation plug 12 having a cover plate 10 arranged inside, and a sealing body 9 having a cover plate 11 fixed to the front end of the cover plate 10 ... The plug housing 1 is sleeved on the outer side of the card cap 2, and there is a gap between the plug housing 1 and the aviation card cap 2, and a threaded structure is provided on the inner side of the plug housing 1, a socket 17 is provided between the two sets of the clamping plates 14, and hollow annular structures are provided on both sides of the socket 17; and the outer side of the annular structure is provided with a threaded connection with the inner side wall of the plug housing 1, and a sintered body 16 is fixed in the middle of the socket 17, and a plug hole 4 is provided in the middle of the sintered body 16, and the plug pin 15 includes a needle body 151 and a limit ring 152 sleeved on the front end of the needle body 151

[0035] The inner wall of each group of the aviation plugs 12 is concave toward the outside and has a threaded structure. The outer sides of the inner caps 11 and the sealing body 9 are both provided with threaded structures, and the outer sides of the inner caps 11 and the sealing body 9 are threadedly connected with the inner concave part of the aviation plug 12; the product insulator 8, the selection of high temperature resistant materials of the rubber parts and the locking structure of the inner caps 11,

[0036] The rubber parts are made of high temperature rubber 401-30°, which ensures the electrical performance of the product while also ensuring the high temperature resistance of the product. The internal cap 11 locking structure makes the product easy to disassemble, crimp the wires and replace accessories, while also avoiding the use of accessories such as claws that are not high temperature resistant and affecting the high temperature resistance of the product;

[0037] The plug housing 1 is trumpet-shaped with a small inner side and a large outer side, and a retaining ring 7 is sleeved between the inner side of the plug housing 1 and the outer side wall of the aviation plug 12, and an anti-jumping ring 6 is sleeved on the outer side of the retaining ring 7, and a corrugated ring 5 is arranged on the outer side of the anti-jumping ring 6; the clamping plates 14 are arranged in two opposite groups, and the two groups of clamping plates 14 are connected and fixed by screws 13; a groove structure is provided on the inner wall of the socket 17, and a square pad 19 is fixed in the groove structure; the connection structure of the plug housing 1-socket 17-plug housing 1 is simple in structure, strong in high temperature resistance, easy to install and disassemble, and easy to replace. In order to improve the high temperature resistance of the product, the insulator 8 and rubber parts are made of high temperature resistant materials and use an inner cap 11 locking structure to avoid the use of high temperature resistant materials such as claws. In order to enhance the stability and safety of the installation, the size, thickness and size of the mounting plate and the size of the mounting screw holes are enlarged.

[0038] The front end of the needle body 151 is a hollow tubular forked structure, and the inner diameter of the sheath 3 is matched with the outer diameter of the limiting ring 152, and the tail end of the needle body 151 is fixed with a limiting ring structure, and the inner side of the insertion hole 4 is provided with a groove structure whose size is matched with the size of the limiting ring. The tubular forked structure can fix the position of the limiting ring 152, and after the needle body 151 is inserted, it can be fixed by the outer limiting ring structure.

[0039] The outer side of the insulator 8 is sleeved with an I-shaped socket coil 18, and the front end of the socket coil 18 is fixedly clamped with the inner side of the annular structure on both sides of the socket 17, and the inner side of the annular structure is provided with a slide groove, and the outer side of the inner side wall of the aviation plug cap 2 is fixed with multiple groups of plug blocks, and the size of the plug blocks is adapted to the size of the slide groove. The I-shaped socket coil 18 can improve the connection effect between the two and improve the connection effect between the two structures.

[0040] The insulator 8 and the sintered body 16 are both made of nickel-chromium alloy; the sintered body 16 and the insulator 8 structure adopt nickel-chromium material, which greatly improves the ultra-high temperature resistance of the device compared with the existing structure, and has excellent elongation, compressive strength, surface finish, oxidation resistance, sulfur resistance, permeability resistance and other functions. It can maintain stable performance at a temperature of up to 1200 degrees, effectively extending the service life of the device. The jacks 4 are arranged in multiple groups in an equidistant array on the sintered body 16, and the multiple groups of jacks 4 cooperate with the pin 15 structure to improve the current transmission efficiency.

[0041] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the protection scope of the technical solutions of the embodiments of the present invention.

Claims

1. A circular electrical connector with an ultra-high temperature resistant insulator, characterized in that: The invention comprises two groups of clamping plates (14) arranged opposite to each other, each group of the clamping plates (14) is fixed with an aviation plug (12) at the front end, a cover plate (10) is arranged inside the aviation plug (12), an inner cap (11) is fixed on the outer side of the cover plate (10), a sealing body (9) is fixed at the front end of the cover plate (10), an insulator (8) is arranged at the front end of the sealing body (9), an aviation plug cap (2) is sleeved on the outer side of the insulator (8), a plug hole (4) is opened on the inner side of the insulator (8), a plug pin (15) is arranged in the plug hole (4), and a sheath (3) is arranged on both sides of the plug pin (15). The outer side of the aviation card cap (2) is sleeved with a plug housing (1), and a gap is provided between the plug housing (1) and the aviation card cap (2), and a threaded structure is provided on the inner side of the plug housing (1), a socket (17) is provided between the two groups of the clamping plates (14), and hollow annular structures are provided on both sides of the socket (17); and the outer side of the annular structure is provided with a threaded connection with the inner side wall of the plug housing (1), and a sintered body (16) is fixed in the middle of the socket (17), and a plug hole (4) is provided in the middle of the sintered body (16), and the plug pin (15) includes a needle body (151) and a limiting ring (152) sleeved on the front end of the needle body (151).

2. A circular electrical connector with an ultra-high temperature resistant insulator according to claim 1, characterized in that: The inner wall of each group of the aviation plugs (12) is recessed toward the outer side and is provided with a threaded structure. The outer sides of the inner cap (11) and the sealing body (9) are provided with a threaded structure, and the outer sides of the inner cap (11) and the sealing body (9) are threadedly connected to the inner recessed portion of the aviation plug (12).

3. A circular electrical connector with an ultra-high temperature resistant insulator according to claim 1, characterized in that: The plug housing (1) is trumpet-shaped with a small inner side and a large outer side, and a retaining ring (7) is sleeved between the inner side of the plug housing (1) and the outer side wall of the aviation plug (12), an anti-jump ring (6) is sleeved on the outer side of the retaining ring (7), and a corrugated ring (5) is arranged on the outer side of the anti-jump ring (6).

4. A circular electrical connector with an ultra-high temperature resistant insulator according to claim 1, characterized in that: The clamping plates (14) are arranged in two groups in opposition to each other, and the two groups of clamping plates (14) are connected and fixed by screws (13).

5. A circular electrical connector with an ultra-high temperature resistant insulator according to claim 4, characterized in that: A groove structure is provided on the inner side wall of the socket (17), and a square pad (19) is fixedly mounted in the groove structure.

6. A circular electrical connector with an ultra-high temperature resistant insulator according to claim 1, characterized in that: The front end of the needle body (151) is a hollow tubular bifurcated structure, the inner diameter of the sheath (3) is matched with the outer diameter of the limiting ring (152), the rear end of the needle body (151) is fixed with a limiting ring structure, and the inner side of the insertion hole (4) is provided with a groove structure whose size is matched with the size of the limiting ring.

7. A circular electrical connector with an ultra-high temperature resistant insulator according to claim 1, characterized in that: An I-shaped socket coil (18) is sleeved on the outer side of the insulator (8), and the front end of the socket coil (18) is fixedly clamped to the inner side of the annular structure on both sides of the socket (17), and a slide groove is opened on the inner side of the annular structure, and multiple groups of plug blocks are fixed on the outer side of the inner wall of the aviation plug cap (2), and the size of the plug blocks is matched with the size of the slide groove.

8. A circular electrical connector with an ultra-high temperature resistant insulator according to claim 1, characterized in that: The insulator (8) and the sintered body (16) are both made of nickel-chromium alloy.

9. A circular electrical connector with an ultra-high temperature resistant insulator according to claim 1, characterized in that: The insertion holes (4) are arranged in a plurality of groups in an equidistant array on the sintered body (16).

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