CN211017484U - Pin column of binding post containing boron carbide ceramic matrix composite - Google Patents
Pin column of binding post containing boron carbide ceramic matrix composite Download PDFInfo
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- CN211017484U CN211017484U CN201922140399.4U CN201922140399U CN211017484U CN 211017484 U CN211017484 U CN 211017484U CN 201922140399 U CN201922140399 U CN 201922140399U CN 211017484 U CN211017484 U CN 211017484U
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Abstract
The utility model relates to a contact pin post that contains boron carbide ceramic matrix composite binding post, its characterized in that: the contact pin main body is arranged in the inner shell; the pin main body is integrally columnar and comprises an upper section, a lower section and a tail section from top to bottom; the length of the lower section is greater than that of the upper section; an annular groove is arranged between the upper section and the lower end; the lower section comprises an equal-diameter section, a variable-diameter section and an expanding section; a strip-shaped groove is formed in the tail section along the length direction of the pin inserting column; one or more wire holes are arranged in the strip-shaped groove; the inner shell is made of boron carbide ceramic; the upper fiber ring and the lower fiber ring are both alumina fibers; a waterproof ring is arranged at the upper part of the upper fiber ring; the waterproof ring is tightly attached to the outer wall of the upper section. The utility model relates to a novelty, overall structure stability is good, and the contact pin main part can not become flexible, has waterproof nature, and the installation of being convenient for is fixed it in the shell during use.
Description
Technical Field
The utility model belongs to the technical field of the electronic technology and specifically relates to a contact pin post that contains boron carbide ceramic matrix composite binding post.
Background
The invention relates to a pin structure of an electronic connecting line in the prior art, which generally comprises a pin and a plastic outer shell, wherein the plastic outer shell is covered on the pin by adopting a thermoplastic process, and the bottom end of the pin is welded with a metal wire.
SUMMERY OF THE UTILITY MODEL
In order to solve the prior art problem, the utility model provides a needle post that contains boron carbide ceramic matrix composite binding post can improve more than not enough.
The utility model relates to a contact pin column containing a connecting terminal of a boron carbide ceramic matrix composite, which comprises an inner shell and a contact pin main body, wherein the contact pin main body is arranged in the inner shell; the pin main body is integrally columnar and comprises an upper section, a lower section and a tail section from top to bottom; the length of the lower section is greater than that of the upper section; an annular groove is arranged between the upper section and the lower end; the lower section comprises an equal-diameter section, a variable-diameter section and an expanding section; one or more holes are arranged on the variable-diameter section, and the holes are beneficial to filling and fixing the inner shell; the surface of the lower section is provided with staggered grains; a strip-shaped groove is formed in the tail section along the length direction of the pin inserting column; the staggered grains are arranged and manufactured by a roller press, and the staggered grains, the annular groove and the reducing section form a multi-layer structure, so that the wrapping and covering of the inner shell are facilitated, and the stability of the inner shell is enhanced; one or more wire holes are arranged in the strip-shaped groove; the upper end of the inner shell covers the upper part of the annular groove, an upper fiber ring is arranged between the upper end of the inner shell and the annular groove, and a lower fiber ring is arranged between the upper end of the inner shell and the annular groove at the position of the lower end of the inner shell covering the diameter-expanding section; the inner shell is made of boron carbide ceramic, and the material has the remarkable characteristic of being very hard, wherein the hardness of the boron carbide ceramic is HRA 92-9; the microhardness is about 50000MPa (namely 50GPa), the grinding efficiency can reach 60-70% of that of diamond (90-100 GPa) and is only second to that of diamond (80-90 GPa), the grinding efficiency is 1 time of that of SiC and 1-2 times of the grinding capacity of corundum, the acid and alkali resistance is good, and the thermal expansion coefficient is small; the upper fiber ring and the lower fiber ring are both alumina fibers, so that the insulation property is good, and the high temperature resistance is realized; a waterproof ring is arranged at the upper part of the upper fiber ring; the waterproof ring is tightly attached to the outer wall of the upper section.
Furthermore, a V-shaped groove is arranged on the tail section, and the V-shaped groove and the strip-shaped groove are intersected or not intersected.
Furthermore, the contact pin main body is of an integral structure and is manufactured by adopting an integral casting process.
Furthermore, the contact pin column is made of copper nickel plating or red copper.
Further, a convex part is arranged on the top surface of the upper end.
Further, the cross section of the convex part is V-shaped or wedge-shaped or semicircular or semi-elliptical.
Further, the upper fiber ring and the lower fiber are both positioned inside the inner shell.
Furthermore, the cross section of the inner shell is rectangular or circular, and bolt fixing holes are formed in the surface of the inner shell.
Furthermore, the waterproof ring is made of rubber.
Furthermore, the surface of the contact pin column main body is provided with a silver coating with the thickness of 2-8 μm.
The utility model relates to a novelty, overall structure stability is good, and the contact pin main part can not become flexible, has waterproof nature, and the installation of being convenient for is fixed it in the shell during use.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of a pin post structure.
Fig. 3 is a schematic cross-sectional view of the pin post.
Fig. 4 is a schematic structural diagram of an outer shell and an inner shell.
The figure is as follows: 1 upper segment, 2 annular grooves, 3 convex parts, 4 lower segments, 5 variable diameter segments, 7 tail segments, 8 holes, 9 wire holes, 10V-shaped grooves, 11 ceramic layers, 12 protective inner layers, 13 protective outer layers, 14 strip-shaped grooves, 15 lower fiber rings, 16 upper fiber rings, 17 bolt fixing holes, 18 waterproof rings, 20 outer shells and 21 metal wires.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 3, a contact pin column of a terminal block containing a boron carbide ceramic matrix composite comprises an inner shell 11 and a contact pin main body, wherein the contact pin main body is arranged in the inner shell; the pin main body is integrally columnar and comprises an upper section 1, a lower section 4 and a tail section 7 from top to bottom; the length of the lower section 4 is larger than that of the upper section 1; an annular groove 2 is arranged between the upper section 1 and the lower end; the lower section 4 comprises an equal-diameter section, a variable-diameter section 5 and an expanding section 6; two holes 8 are arranged on the reducer section 5; the surface of the lower section 4 is provided with staggered grains which are triangular grains or hexagonal grains and are processed by a roller embossing machine; a strip-shaped groove 14 is formed in the tail section along the length direction of the pin inserting column; the staggered grains are arranged and manufactured by a roller press, and the staggered grains, the annular groove 2 and the variable diameter section 5 form a multi-layer structure, so that the wrapping and covering of the inner shell are facilitated, and the stability of the inner shell is enhanced; one or more wire holes 9 are arranged in the strip-shaped groove 14; the upper end of the inner shell covers the upper part of the annular groove 2, an upper fiber ring 16 is arranged between the upper end of the inner shell and the annular groove, and a lower fiber ring 15 is arranged between the upper end of the inner shell and the annular groove at the position of the lower end of the inner shell covering the diameter-expanding section; the inner shell is made of boron carbide ceramic, and is formed by dispersing graphene in the boron carbide ceramic material through hot pressing, and the material serving as the ceramic layer 11 has the remarkable characteristics of being very hard, good in acid and alkali resistance and small in thermal expansion coefficient; the upper fiber ring 16 and the lower fiber ring are both alumina fibers, so that the insulation property is good, and the high temperature resistance is realized; a waterproof ring 18 is arranged at the upper part of the upper fiber ring; the waterproof ring is tightly attached to the outer wall of the upper section.
The tail section 7 is provided with a V-shaped groove 10, and the V-shaped groove and the strip-shaped groove are intersected or not intersected.
The contact pin main body is of an integral structure and is manufactured by adopting an integral casting process.
The pin column is plated with copper and nickel.
And a convex part 3 is arranged on the top surface of the upper end, wherein the section of the convex part 3 is V-shaped or wedge-shaped or semicircular or semi-elliptical.
The upper fiber ring and the lower fiber are both located inside the inner shell.
The cross section of the inner shell is rectangular or circular, and bolt fixing holes 17 are formed in the surface of the inner shell.
The waterproof ring is made of rubber.
And a silver coating layer is arranged on the surface of the contact pin column main body, and the thickness of the silver coating layer is 2-8 mu m.
As shown in fig. 4, when in use, the inner shell is installed in the outer shell 20, the outer shell is divided into two parts, and is a combined structure, the inner shell is fixed by inserting bolts into bolt fixing holes through installing column grooves matched with the bolt fixing holes in the outer shell; for the treatment of the conducting wire, the metal wire 21 is placed in the strip-shaped groove through soldering for soldering fixation, meanwhile, the tail section can be wound annularly through the metal wire, the metal wire and the tail section can be fixed again, and the V-shaped groove plays a role in limiting.
Claims (10)
1. The utility model provides a contact pin post that contains boron carbide ceramic matrix composite binding post, includes inner shell and contact pin main part, its characterized in that: the contact pin main body is arranged in the inner shell; the pin main body is integrally columnar and comprises an upper section, a lower section and a tail section from top to bottom; the length of the lower section is greater than that of the upper section; an annular groove is arranged between the upper section and the lower section; the lower section comprises an equal-diameter section, a variable-diameter section and an expanding section; one or more holes are arranged on the variable-diameter section; the surface of the lower section is provided with staggered grains; a strip-shaped groove is formed in the tail section along the length direction of the pin inserting column; one or more wire holes are arranged in the strip-shaped groove; the upper end of the inner shell covers the upper part of the annular groove, an upper fiber ring is arranged between the upper end of the inner shell and the annular groove, and a lower fiber ring is arranged between the upper end of the inner shell and the annular groove at the position of the lower end of the inner shell covering the diameter-expanding section; the inner shell is made of boron carbide ceramic; the upper fiber ring and the lower fiber ring are both alumina fibers; a waterproof ring is arranged at the upper part of the upper fiber ring; the waterproof ring is tightly attached to the outer wall of the upper section.
2. The pin post of the connecting terminal containing the boron carbide ceramic matrix composite according to claim 1, wherein: the tail section is provided with a V-shaped groove, and the V-shaped groove and the strip-shaped groove are intersected or not intersected.
3. The pin post of the connecting terminal containing the boron carbide ceramic matrix composite according to claim 1, wherein: the contact pin main body is of an integral structure.
4. The pin post of the connecting terminal containing the boron carbide ceramic matrix composite according to claim 1, wherein: the pin column is plated with copper and nickel.
5. The pin post of the connecting terminal containing the boron carbide ceramic matrix composite according to claim 1, wherein: and a convex part is arranged on the top surface of the upper end.
6. The pin post of claim 5, wherein the pin post comprises: the cross section of the convex part is V-shaped or wedge-shaped or semicircular or semi-elliptical.
7. The pin post of the connecting terminal containing the boron carbide ceramic matrix composite according to claim 1, wherein: the upper fiber ring and the lower fiber are both located inside the inner shell.
8. The pin post of the connecting terminal containing the boron carbide ceramic matrix composite according to claim 1, wherein: the cross section of the inner shell is rectangular or circular, and bolt fixing holes are formed in the surface of the inner shell.
9. The pin post of the connecting terminal containing the boron carbide ceramic matrix composite according to claim 1, wherein: the waterproof ring is made of rubber.
10. The pin post of the connecting terminal containing the boron carbide ceramic matrix composite according to claim 1, wherein: and a silver coating layer is arranged on the surface of the contact pin column main body, and the thickness of the silver coating layer is 2-8 mu m.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922140399.4U CN211017484U (en) | 2019-12-03 | 2019-12-03 | Pin column of binding post containing boron carbide ceramic matrix composite |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922140399.4U CN211017484U (en) | 2019-12-03 | 2019-12-03 | Pin column of binding post containing boron carbide ceramic matrix composite |
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| Publication Number | Publication Date |
|---|---|
| CN211017484U true CN211017484U (en) | 2020-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922140399.4U Active CN211017484U (en) | 2019-12-03 | 2019-12-03 | Pin column of binding post containing boron carbide ceramic matrix composite |
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| CN (1) | CN211017484U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982452A (en) * | 2020-07-28 | 2020-11-24 | 西北工业大学 | Planting device for planting fluorescent microfilaments on surface of wing |
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2019
- 2019-12-03 CN CN201922140399.4U patent/CN211017484U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111982452A (en) * | 2020-07-28 | 2020-11-24 | 西北工业大学 | Planting device for planting fluorescent microfilaments on surface of wing |
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Address after: 400000 No. 28, Jinlong Avenue, Dongcheng sub district office, Tongliang District, Chongqing Patentee after: Chongqing Kunling Electronics Co.,Ltd. Address before: 400000 No. 28, Jinlong Avenue, Dongcheng sub district office, Tongliang District, Chongqing Patentee before: CHONGQING KUNLING ELECTRONIC TECHNOLOGY Co.,Ltd. |