CN214673068U - Self-locking type plug-in structure of electric connector contact element - Google Patents
Self-locking type plug-in structure of electric connector contact element Download PDFInfo
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- CN214673068U CN214673068U CN202120276685.8U CN202120276685U CN214673068U CN 214673068 U CN214673068 U CN 214673068U CN 202120276685 U CN202120276685 U CN 202120276685U CN 214673068 U CN214673068 U CN 214673068U
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- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- 229910052790 beryllium Inorganic materials 0.000 claims description 3
- ATBAMAFKBVZNFJ-UHFFFAOYSA-N beryllium atom Chemical compound [Be] ATBAMAFKBVZNFJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000010974 bronze Substances 0.000 claims description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 2
- 230000004323 axial length Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000306 component Substances 0.000 description 1
- 239000008358 core component Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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Abstract
The utility model discloses a self-locking formula grafting structure of electric connector contact, including rigidity contact pin and elasticity jack post, the rigidity contact pin inserts in the jack of elasticity jack post, establish the rigidity contact pin from top to bottom inserts in the jack of elasticity jack post, be equipped with the bulge loop along the circumferencial direction on the jack pore wall on elasticity jack post upper portion, be equipped with the concave ring along the circumferencial direction on the circumference outer wall of rigidity contact pin, the bulge loop is arranged in the concave ring. The utility model discloses a set up the bulge loop on elasticity jack post, set up the concave ring on the rigidity contact pin, utilize the snap-fit between bulge loop and the concave ring to realize self-locking function and the unblock function between rigidity contact pin and the elasticity jack post to do not need to rely on other mechanical structure just can realize the locking function, make whole electric connector's axial length reduce, more save space and do benefit to the application, be convenient for moreover processing and equipment are particularly suitable for the automotive industry.
Description
Technical Field
The utility model relates to an electric connector's local structure especially relates to a self-locking formula grafting structure of electric connector contact.
Background
The electrical connector must be connected by inserting and contacting the contacts to complete the normal transmission of electrical signals, and if the reliable contact of the contacts is lost, the electrical connector loses its electrical connection function. The contact of the electrical connector is generally a pin and/or a socket post, which is a plug structure and is one of the core components of the electrical connector.
The conventional plug-in structure of the contact element of the electric connector mainly comprises the following components: the plug structure of wire spring type jack post and rigid contact pin, the plug structure of crown spring type jack post and rigid contact pin, the plug structure of cantilever beam type jack post and rigid contact pin. The principles of these conventional plugging structures are that the elastic contact between the elastic plug-in post and the rigid plug-in pin realizes the contact connection.
In order to achieve reliable connection of the electrical connector, especially in a mechanical shock/impact environment, in order to prevent the contact part of the connector from falling off, the conventional electrical connector has no locking structure between the jack post and the pin, so that the locking and separation effects after plugging need to be achieved through other mechanical structures such as "shell/outer wall". However, the added structure requires a certain space, resulting in a long axial length and a large space occupation of the electrical connector, which limits the application of the electrical connector.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to provide a self-locking type plugging structure of an electrical connector contact member capable of realizing a locking function through a structure of the contact member itself in order to solve the above problems.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
the utility model provides an electric connector contact's self-locking formula grafting structure, includes rigidity contact pin and elasticity jack post, the rigidity contact pin inserts in the jack of elasticity jack post, establish the rigidity contact pin from top to bottom inserts in the jack of elasticity jack post, be equipped with the bulge loop along the circumferencial direction on the jack pore wall on elasticity jack post upper portion, be equipped with the concave ring along the circumferencial direction on the circumference outer wall of rigidity contact pin, the bulge loop is arranged in the concave ring.
Preferably, in order to facilitate the convex ring to smoothly enter the concave ring during self-locking and smoothly slide out of the concave ring during unlocking, the radial section of the convex ring is arc-shaped, and two sides of the radial section of the concave ring are oblique lines.
Preferably, the resilient socket post has an upper inner diameter slightly larger than a lower inner diameter to facilitate insertion of the rigid pin and to facilitate good contact.
Preferably, in order to realize excellent elasticity of the elastic jack post and facilitate processing and assembly, the self-locking type plugging structure of the electric connector contact piece further comprises a limiting outer cylinder with the vertical central axial direction, the elastic jack post comprises two semicircular posts which have semicircular radial sections and are relatively close to form jacks, the inner wall of the upper portion of the semicircular column is provided with arc-shaped convex strips along the circumferential direction, the arc-shaped convex strips are close to each other to form an open-ended convex ring, each of the two sides of the upper portion of the semicircular column extends outwards in the horizontal direction and is sequentially bent to form two elastic arms, the end portions of the two elastic arms are close to each other and surround an elastic space in the outer side corresponding to the semicircular column, the two semicircular columns are located at the central positions of the limiting outer cylinders, and the outer walls of the four elastic arms are respectively in multipoint contact connection with the inner wall of the limiting outer cylinder.
Preferably, in order to facilitate sliding between the end of the elastic arm and the inner wall of the limit outer cylinder, the end of the elastic arm is bent and smoothly transited in a direction close to the center of the semicircular column.
Preferably, in order to facilitate processing and save materials, the limiting outer cylinder is a cylindrical outer cylinder, and the vertical length of the limiting outer cylinder is the same as the vertical width of the elastic arm.
Preferably, in order to achieve excellent elasticity of the semicircular column, the semicircular column and the corresponding elastic arm are integrally formed by processing beryllium bronze.
The beneficial effects of the utility model reside in that:
the utility model discloses a set up the bulge loop on the elasticity jack post, set up the concave ring on the rigidity contact pin, utilize the snap-fit between bulge loop and the concave ring to realize the self-locking function and the unblock function between rigidity contact pin and the elasticity jack post, thereby do not need to rely on other mechanical structure to realize the locking function, make the axial length of whole electric connector reduce, more save space and do benefit to the application, and the processing and the equipment of being convenient for are especially suitable for the automobile industry; the two semicircular columns are combined into the elastic jack column, and the elastic arm is matched with the limiting outer cylinder to enable the semicircular columns to have excellent elasticity close to the circle center of the semicircular columns, so that the excellent elasticity of the whole elastic jack column is realized, and the axial length does not need to be additionally increased.
Drawings
Fig. 1 is a perspective exploded view of the self-locking type plugging structure of the contact element of the electric connector according to the present invention before assembly;
fig. 2 is a perspective view of the self-locking type plugging structure of the contact element of the electric connector according to the present invention after being partially assembled;
fig. 3 is a top view of the self-locking type plugging structure of the contact element of the electric connector according to the present invention with the rigid pins removed;
fig. 4 is a cross-sectional view of the rigid pin of the present invention before it is inserted into the resilient jack post;
fig. 5 is a cross-sectional view of the rigid pin inserted into the resilient socket post according to the present invention.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
as shown in fig. 1-5, the self-locking type plugging structure of the electric connector contact of the present invention includes a rigid pin 1 and an elastic jack post (not marked in the drawings), the rigid pin 1 is inserted into a jack (not marked in the drawings) of the elastic jack post, the rigid pin 1 is inserted into the jack of the elastic jack post from top to bottom, a convex ring is arranged on a jack hole wall of an upper portion of the elastic jack post along a circumferential direction, a concave ring 10 is arranged on a circumferential outer wall of the rigid pin 1 along the circumferential direction, and the convex ring is arranged in the concave ring 10; preferably, the self-locking plug-in structure of the electric connector contact piece also comprises a limiting outer cylinder 24 with the vertical central axial direction, the elastic jack column comprises two semicircular columns 20 with semicircular radial sections and relatively close to each other to form jacks, arc-shaped convex strips 21 are arranged on the inner walls of the upper parts of the semicircular columns 20 along the circumferential direction, the two arc-shaped convex strips 21 are close to each other to form an open convex ring, two sides of the upper part of each semicircular column 20 respectively extend outwards in the horizontal direction and are sequentially bent to form two elastic arms 22, the end parts 23 of the two elastic arms 22 are close to each other and surround an elastic space (not marked in the figure) at the outer side of the corresponding semicircular column 20, the two semicircular columns 20 are located at the central positions of the limiting outer cylinders 24, and the outer walls of the four elastic arms 22 are respectively in multipoint contact connection with the inner walls of the limiting outer cylinders 24 (two vertical contact lines are arranged between each elastic arm 22 and the limiting outer cylinders 24 in the figure); the end part 23 of the elastic arm 22 is bent and smoothly transited towards the direction close to the center of the semi-circular column 20; the limiting outer cylinder 24 is a cylindrical outer cylinder, and the vertical length of the limiting outer cylinder is the same as the vertical width of the elastic arm 22; the semicircular column 20 and the corresponding elastic arm 22 are integrally formed by processing beryllium bronze; the radial section of the convex ring is arc-shaped, and two sides of the radial section of the concave ring 10 are oblique lines, so that inclined planes 11 on two sides of the concave ring 10 are formed; the inner diameter of the upper part of the elastic jack column is slightly larger than that of the lower part of the elastic jack column. The two semicircular columns 20, the four elastic arms 22 and the limiting outer cylinder 24 together form a jack piece 2, and the jack piece and the rigid pin 1 form a contact piece.
As shown in fig. 1-5, when in use, the rigid pin 1 is inserted downwards into the elastic jack post formed by the two semicircular posts 20, the two semicircular posts 20 are expanded outwards when the outer wall of the rigid pin 1 contacts the arc-shaped protruding strip 21, and after the rigid pin is inserted downwards continuously until the arc-shaped protruding strip 21 slides into the concave ring 10, the elasticity of the two semicircular posts 20 keeps the arc-shaped protruding strip 21 in a stable state in the concave ring 10, thereby realizing the self-locking function of the electrical connector; when the rigid pin 1 needs to be pulled out, the rigid pin 1 is moved upwards, the arc-shaped convex strips 21 outwards open the two semicircular columns 20 under the action of the inclined surface 11 of the concave ring 10, the unlocking function is realized, and the rigid pin 1 is reset after being completely pulled out.
The above-mentioned embodiment is only the preferred embodiment of the present invention, and is not to the limitation of the technical solution of the present invention, as long as the technical solution can be realized on the basis of the above-mentioned embodiment without creative work, all should be regarded as falling into the protection scope of the right of the present invention.
Claims (7)
1. The utility model provides an electric connector contact's self-locking formula grafting structure, includes rigid contact pin and elasticity jack post, rigid contact pin inserts in the jack of elasticity jack post, its characterized in that: establish rigid contact pin from top to bottom insert in the jack of elasticity jack post, be equipped with the bulge loop along the circumferencial direction on the jack pore wall on elasticity jack post upper portion, be equipped with the concave ring along the circumferencial direction on the circumference outer wall of rigid contact pin, the bulge loop is arranged in the concave ring.
2. A self-locking plug-in structure of an electrical connector contact according to claim 1, wherein: the radial section of the convex ring is arc-shaped, and two sides of the radial section of the concave ring are oblique lines.
3. A self-locking plug-in structure of an electrical connector contact according to claim 1, wherein: the inner diameter of the upper part of the elastic jack column is slightly larger than that of the lower part of the elastic jack column.
4. A self-locking plugging structure of an electrical connector contact according to claim 1, 2 or 3, wherein: the self-locking type plug-in structure of the electric connector contact element further comprises a vertical limiting outer barrel, the central axial direction of the self-locking type plug-in structure is vertical, each elastic jack column comprises two semicircular columns, the radial sections of the semicircular columns are semicircular, the semicircular columns are relatively close to each other to form jacks, arc-shaped convex strips are arranged on the inner wall of the upper portion of each semicircular column in the circumferential direction, the arc-shaped convex strips are close to each other to form an open-ended convex ring, each two sides of the upper portion of each semicircular column extend outwards in the horizontal direction respectively and are bent outwards to form two elastic arms, the end portions of the two elastic arms are close to each other and correspond to the outer sides of the semicircular columns to form an elastic space, and the two semicircular columns are located at the central positions of the limiting outer barrels, the outer walls of the elastic arms are respectively connected with the inner wall of the limiting outer barrel in a multi-point contact mode.
5. A self-locking plugging structure of an electrical connector contact according to claim 4, wherein: the end part of the elastic arm is bent and smoothly transited towards the direction close to the center of the semi-circular column.
6. A self-locking plugging structure of an electrical connector contact according to claim 4, wherein: the limiting outer cylinder is a cylindrical outer cylinder, and the vertical length of the limiting outer cylinder is the same as the vertical width of the elastic arm.
7. A self-locking plugging structure of an electrical connector contact according to claim 4, wherein: the semicircular columns and the corresponding elastic arms are integrally formed by processing beryllium bronze.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120276685.8U CN214673068U (en) | 2021-02-01 | 2021-02-01 | Self-locking type plug-in structure of electric connector contact element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120276685.8U CN214673068U (en) | 2021-02-01 | 2021-02-01 | Self-locking type plug-in structure of electric connector contact element |
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| Publication Number | Publication Date |
|---|---|
| CN214673068U true CN214673068U (en) | 2021-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120276685.8U Active CN214673068U (en) | 2021-02-01 | 2021-02-01 | Self-locking type plug-in structure of electric connector contact element |
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| CN (1) | CN214673068U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024230773A1 (en) * | 2023-05-09 | 2024-11-14 | Amphenol Technology (Zhuhai) Co., Ltd. | Reliable, adaptable electrical connector with high current capacity |
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2021
- 2021-02-01 CN CN202120276685.8U patent/CN214673068U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024230773A1 (en) * | 2023-05-09 | 2024-11-14 | Amphenol Technology (Zhuhai) Co., Ltd. | Reliable, adaptable electrical connector with high current capacity |
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