CN216015754U - Novel contact pin subassembly - Google Patents
Novel contact pin subassembly Download PDFInfo
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- CN216015754U CN216015754U CN202122055060.1U CN202122055060U CN216015754U CN 216015754 U CN216015754 U CN 216015754U CN 202122055060 U CN202122055060 U CN 202122055060U CN 216015754 U CN216015754 U CN 216015754U
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- pin
- contact pin
- truncated cone
- blind hole
- facing
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Abstract
The utility model discloses a novel contact pin assembly, which comprises a first contact pin and a second contact pin; a first circular table is coaxially arranged at one end of the first contact pin, which faces the second contact pin, and the diameter of the first circular table is smaller than that of the first contact pin; one end of the first round platform facing the second contact pin is coaxially provided with a first blind hole, and the inner wall of the first blind hole is provided with an internal thread; a second blind hole is coaxially formed in one end, far away from the second contact pin, of the first contact pin, and a through hole communicated with the second blind hole is formed in the periphery of the first contact pin; a second circular table is coaxially arranged at one end of the second contact pin, which faces the first contact pin, and the diameter of the second circular table is larger than that of the first circular table; one end of the second round platform facing the first contact pin is coaxially provided with a column body, and the column body is provided with an external thread matched with the internal thread; the external thread is connected with the internal thread, and a fixing cavity for pressing the supporting plate is formed between the second round table and the first contact pin. The utility model can quickly fix the contact pin assembly on the supporting plate and quickly change the second contact pin.
Description
Technical Field
The utility model relates to the technical field of electric connectors, in particular to a novel contact pin assembly.
Background
A pin is a common electrical connector. Wearing and tearing appear easily in the contact pin anterior segment in long-term use, but contact pin formula structure as an organic whole usually, through injection moulding back colloid connection backup pad on, need whole root change when changing, it is inconvenient to change moreover, needs the clearance colloid and moulds plastics again.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems in the background art, the utility model provides a novel pin inserting assembly.
The utility model provides a novel contact pin assembly, which comprises: a first pin and a second pin;
a first circular table is coaxially arranged at one end of the first contact pin, which faces the second contact pin, and the diameter of the first circular table is smaller than that of the first contact pin;
one end of the first round platform facing the second contact pin is coaxially provided with a first blind hole, and the inner wall of the first blind hole is provided with an internal thread;
one end of the first contact pin, which is far away from the second contact pin, is coaxially provided with a second blind hole, and the peripheral wall of the first contact pin is provided with a through hole communicated with the second blind hole;
a second circular table is coaxially arranged at one end of the second contact pin, which faces the first contact pin, and the diameter of the second circular table is larger than that of the first circular table;
one end of the second round platform facing the first contact pin is coaxially provided with a column body, and the outer peripheral wall of the column body is provided with an external thread matched with the internal thread;
the external thread is connected with the internal thread, and a fixing cavity for pressing and fixing the supporting plate is formed between the second round table and the first contact pin.
Furthermore, a third blind hole matched with the first round table is coaxially formed in one end, facing the first contact pin, of the second round table, and the column body is coaxially arranged in the third blind hole;
when the external thread is in threaded connection with the internal thread, the outer peripheral wall of the first circular truncated cone is in contact with the inner peripheral wall surface of the second blind hole.
Further, when one end of the second round platform towards the first contact pin abuts against one end of the first round platform towards the second contact pin, the external thread is in threaded connection with the internal thread.
Further, when one end of the second round table facing the first contact pin abuts against one end of the first round table facing the second contact pin, one end of the column body far away from the second round table abuts against the bottom of the first blind hole.
Furthermore, an annular transition inclined plane is arranged at the joint of the second contact pin and the second circular truncated cone.
Furthermore, at least one reinforcing rib is connected between the second contact pin and the second circular truncated cone.
Furthermore, one end of the second contact pin, which is far away from the first contact pin, is provided with a guide head.
Furthermore, the guide head and the second contact pin are detachably fixed.
The first circular table peripheral wall is formed with at least one tangent plane extending along the axial direction;
the supporting plate is provided with a through hole for the first circular truncated cone to pass through, and the shape of the through hole is matched with the shape of the peripheral wall of the first circular truncated cone.
According to the novel contact pin assembly, the contact pin assembly can be quickly fixed on the supporting plate through the threaded connection of the first contact pin and the second contact pin and the fixing cavity formed between the first circular truncated cone and the first contact pin, the novel contact pin assembly is suitable for supporting plates with different thicknesses, the front end of the second contact pin can be quickly replaced when worn, and the stability of current conductivity is kept.
Drawings
Fig. 1 is a schematic structural diagram of a novel pin assembly according to the present invention.
Fig. 2 is a cross-sectional view of the novel pin assembly of the present invention.
Fig. 3 is a schematic structural diagram of a novel pin assembly in an embodiment of the utility model.
Detailed Description
Referring to fig. 1-3, the present invention provides a novel pin assembly, including: a first pin 1 and a second pin 2;
a first circular truncated cone 3 is coaxially arranged at one end of the first contact pin 1 facing the second contact pin 2, and the diameter of the first circular truncated cone 3 is smaller than that of the first contact pin 1;
one end of the first round platform 3 facing the second contact pin 2 is coaxially provided with a first blind hole, and the inner wall of the first blind hole is provided with an internal thread;
a second blind hole is coaxially formed in one end, far away from the second contact pin 2, of the first contact pin 1, and a through hole communicated with the second blind hole is formed in the peripheral wall of the first contact pin 1;
a second circular truncated cone 4 is coaxially arranged at one end, facing the first contact pin 1, of the second contact pin 2, and the diameter of the second circular truncated cone 4 is larger than that of the first circular truncated cone 3;
a cylinder 5 is coaxially arranged at one end of the second circular table 4 facing the first contact pin 1, and an external thread matched with the internal thread is formed on the outer peripheral wall of the cylinder 5;
the external thread is connected with the internal thread, and a fixing cavity for pressing the fixed supporting plate 6 is formed between the second round table 4 and the first contact pin 1.
According to the utility model, the pin assembly can be quickly fixed on the supporting plate 6 through the threaded connection of the first pin 1 and the second pin 2 and the fixing cavity formed between the first circular truncated cone 3 and the first pin 1, and the pin assembly is suitable for supporting plates 6 with different thicknesses, and can be quickly replaced when the front end of the second pin 2 is worn, so that the stability of current conductivity is maintained.
It should be noted that an elastic sealing ring made of a conductive material is arranged between the second circular truncated cone 4 and the column 5.
It should be noted that the diameter of the first pin 1 and the diameter of the second pin 2 are designed according to actual needs, for example, the diameter of the first pin 1 is greater than, equal to or less than the diameter of the second pin 2. Wherein the diameter of the first pin 1 is larger than the diameter of the second pin 2 in fig. 1-3.
When the contact pin assembly is suitable for support plates 6 with different thicknesses, in the embodiment, a third blind hole matched with the first round table 3 is coaxially formed in one end, facing the first contact pin 1, of the second round table 4, and the cylinder 5 is coaxially arranged in the third blind hole;
when the external thread and the internal thread are in threaded connection, the outer peripheral wall of the first round table 3 is in contact with the inner peripheral wall surface of the second blind hole.
Therefore, current can be conducted between the cylinder 5 and the first circular truncated cone 3, and current can also be conducted between the outer peripheral wall surface of the first circular truncated cone 3 and the inner peripheral wall of the second blind hole, so that the current conductivity is effectively guaranteed.
When the thickness of the supporting plate 6 is fixed, in order to increase the reliability of current conduction, in this embodiment, when one end of the second round table 4 facing the first contact pin 1 abuts against one end of the first round table 3 facing the second contact pin 2, the external thread and the internal thread are screwed.
Certainly, in order to obtain a better ground current conduction effect, when one end of the second circular truncated cone 4 facing the first pin 1 abuts against one end of the first circular truncated cone 3 facing the second pin 2, one end of the column 5 far away from the second circular truncated cone 4 abuts against the bottom of the first blind hole.
In one embodiment, the outer edges of the end portions of the first round table 3 and the second round table 4 are in plane contact, so that the reliability of current conduction can be effectively ensured.
In another embodiment, the outer edges of the end portions of the first round table 3 and the second round table 4 are in contact through inclined surfaces, so that the shock absorption and energy absorption effects are improved while the current conduction reliability is ensured.
In this embodiment, an annular transition inclined surface is arranged at the joint of the second pin 2 and the second circular truncated cone 4. From this, the stability of being connected of multiplicable second round platform 4 and second contact pin 2 to effectively guarantee the fixed effect of pressfitting of fixed chamber to backup pad 6 that second round platform 4 and first contact pin 1 formed.
Of course, in order to increase the stability of the connection between the second truncated cone 4 and the second pin 2, in other embodiments, at least one reinforcing rib is connected between the second pin 2 and the second truncated cone 4.
Wherein, when the quantity of strengthening rib is a plurality of, a plurality of strengthening ribs are along circumference evenly distributed.
In this embodiment, a guiding head is arranged at one end of the second pin 2 far away from the first pin 1. Thereby, the insertion of the second pin 2 into the insertion part of the member to be charged is facilitated.
In a further specific embodiment, the guide head is detachably fixed with the second insertion needle 2, so that the guide head is convenient to replace, and the service life of the insertion needle assembly is prolonged.
Wherein, the guide head can be fixedly connected with the second contact pin 2 in a clamping, splicing or screwing mode and the like.
It should be noted that the end of the second pin 2 remote from the first pin 1 may also be formed as a guide head by providing a guide radius or guide cone at its outer edge.
In the present embodiment, a support plate 6 is further included;
the periphery wall of the first circular truncated cone 3 is formed with at least one tangent plane extending along the axial direction, the supporting plate 6 is provided with a through hole for the first circular truncated cone 3 to pass through, and the shape of the through hole is matched with the shape of the periphery wall of the first circular truncated cone 3.
Wherein, the tangent plane is used for cooperating in order preventing that first round platform 3 from taking place relative rotation with backup pad 6 to place first contact pin 1 and rotate at will when installation and use.
In the embodiment, the hole of the second blind hole is provided with a chamfer.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (9)
1. A novel pin assembly, comprising: a first pin (1) and a second pin (2);
a first circular truncated cone (3) is coaxially arranged at one end, facing the second contact pin (2), of the first contact pin (1), and the diameter of the first circular truncated cone (3) is smaller than that of the first contact pin (1);
one end of the first round platform (3) facing the second contact pin (2) is coaxially provided with a first blind hole, and the inner wall of the first blind hole is provided with an internal thread;
a second blind hole is coaxially formed in one end, far away from the second contact pin (2), of the first contact pin (1), and a through hole communicated with the second blind hole is formed in the peripheral wall of the first contact pin (1);
a second circular table (4) is coaxially arranged at one end, facing the first contact pin (1), of the second contact pin (2), and the diameter of the second circular table (4) is larger than that of the first circular table (3);
one end of the second round table (4) facing the first contact pin (1) is coaxially provided with a column body (5), and the outer peripheral wall of the column body (5) is provided with an external thread matched with the internal thread;
the external thread is connected with the internal thread, and a fixing cavity for pressing the fixing support plate (6) is formed between the second round table (4) and the first contact pin (1).
2. A novel pin assembly as claimed in claim 1, characterized in that the end of the second pin (2) remote from the first pin (1) is provided with a guide head.
3. A novel pin assembly as claimed in claim 2 wherein the guide head is removably secured to the second pin (2).
4. A novel pin inserting assembly as claimed in any one of claims 1 to 3, wherein a third blind hole matched with the first truncated cone (3) is coaxially formed in one end of the second truncated cone (4) facing the first pin (1), and the cylinder (5) is coaxially arranged in the third blind hole;
when the external thread and the internal thread are in threaded connection, the outer peripheral wall of the first round table (3) is in contact with the inner peripheral wall surface of the second blind hole.
5. A novel pin assembly as claimed in any one of claims 1 to 3, characterized in that the external thread and the internal thread are screwed when the end of the second truncated cone (4) facing the first pin (1) abuts against the end of the first truncated cone (3) facing the second pin (2).
6. A novel pin assembly as claimed in claim 5, wherein when one end of the second circular truncated cone (4) facing the first pin (1) abuts against one end of the first circular truncated cone (3) facing the second pin (2), one end of the column (5) far away from the second circular truncated cone (4) abuts against the bottom of the first blind hole.
7. A novel pin assembly as claimed in any one of claims 1-3, characterized in that the junction of the second pin (2) and the second truncated cone (4) is provided with an annular transition ramp.
8. A novel pin assembly as claimed in any one of claims 1 to 3, characterized in that at least one reinforcement rib is connected between the second pin (2) and the second truncated cone (4).
9. A novel pin assembly as claimed in claim 1, further comprising a support plate (6), wherein the peripheral wall of the first circular truncated cone (3) is formed with at least one axially extending cut surface;
the supporting plate (6) is provided with a through hole for the first round platform (3) to pass through, and the shape of the through hole is matched with the shape of the peripheral wall of the first round platform (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122055060.1U CN216015754U (en) | 2021-08-27 | 2021-08-27 | Novel contact pin subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122055060.1U CN216015754U (en) | 2021-08-27 | 2021-08-27 | Novel contact pin subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216015754U true CN216015754U (en) | 2022-03-11 |
Family
ID=80593072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122055060.1U Active CN216015754U (en) | 2021-08-27 | 2021-08-27 | Novel contact pin subassembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216015754U (en) |
-
2021
- 2021-08-27 CN CN202122055060.1U patent/CN216015754U/en active Active
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