CN114566822A - Contact and connector - Google Patents
Contact and connector Download PDFInfo
- Publication number
- CN114566822A CN114566822A CN202210066177.6A CN202210066177A CN114566822A CN 114566822 A CN114566822 A CN 114566822A CN 202210066177 A CN202210066177 A CN 202210066177A CN 114566822 A CN114566822 A CN 114566822A
- Authority
- CN
- China
- Prior art keywords
- contact
- contact element
- barb
- joint
- elastic sheet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000003825 pressing Methods 0.000 claims abstract description 19
- 238000005096 rolling process Methods 0.000 claims abstract description 11
- 239000012212 insulator Substances 0.000 claims description 21
- 230000003044 adaptive effect Effects 0.000 claims description 3
- 238000003776 cleavage reaction Methods 0.000 claims 1
- 230000007017 scission Effects 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 238000009434 installation Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 4
- 230000008569 process Effects 0.000 abstract description 4
- 238000003754 machining Methods 0.000 description 11
- 230000009286 beneficial effect Effects 0.000 description 5
- 210000000078 claw Anatomy 0.000 description 5
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000002788 crimping Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000012634 fragment Substances 0.000 description 3
- 230000005489 elastic deformation Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010923 batch production Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000006872 improvement 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
- 238000004826 seaming Methods 0.000 description 1
- 229910000679 solder Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
Abstract
The invention relates to a contact element and a connector, wherein the contact element is an integrated structure formed by rolling a conductive strip, a plug-in end of the contact element is used as a front end, an open type line pressing end is arranged at the rear end of the contact element, an extension line of a joint is positioned in an open area of the line pressing end, a reversed hook structure is arranged on the joint, and the reversed hook structure is used for realizing fixed forming after the contact element is rolled. By means of the technical scheme, the contact element is formed by rolling the stamping strip, the self structural strength is high, the installation stability is high, the assembly of a plurality of parts is not needed, the assembly process is simplified, and the production efficiency is high; the wire pressing end is of an open structure, and the wire can be in press connection with the contact element without obstruction in the wire pressing direction, so that the operation is convenient; and the contact piece is fixedly formed through the barb structure on the joint, so that the production efficiency of the contact piece is further improved.
Description
Technical Field
The invention belongs to the technical field of connector contacts, and particularly relates to a rolled contact and a connector using the same.
Background
The pinhole contact in the connector is generally in a combined structure, and the production process of the contact is machining; as shown in fig. 1 and 2, a conventional contact pin 100 is combined by 2 parts, namely, a plug positioning claw 101 and a machining contact pin 102, the plug positioning claw is matched with a first front fixing table 105 on a pin mounting insulator 104, and a positioning boss on the machining contact pin is matched with a first rear fixing table 106 on the pin mounting insulator 104 in a stopping manner, so that the contact pin is fixedly mounted; the rear end of the machining pin 102 is provided with a pin end crimping barrel 103 for achieving crimping with a wire. The conventional jack 200 is combined by three parts, namely, a jack positioning claw 201, a machining jack 202 and a contact spring 203, the jack positioning claw is matched with a second front fixing table 206 on a hole mounting insulator 205, and a positioning boss on the machining jack 202 is matched with a second rear fixing table 207 in a stopping way, so that the socket is fixedly mounted; the contact spring is used for being in elastic contact conduction with a plug end of a machining contact pin, and a jack end wire pressing barrel 204 which is in press connection with a corresponding wire is arranged at the rear end of the machining contact pin. Therefore, both the contact pin and the jack are of a combined contact structure, the contact and the elastic piece (a positioning claw and a contact spring) are required to be assembled and combined, the assembly efficiency is low, and when the contact is connected with a corresponding lead, the lead is plugged into the circumferentially closed wire pressing barrel for compression joint, so that the compression joint process is inconvenient; in addition, the machining mode is adopted for batch production, and the efficiency is low.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a rolled contact element which is formed by rolling a stamping strip without the combination of a plurality of parts, so that the production efficiency is improved, and the manufacturing cost is reduced.
The purpose of the invention and the technical problem to be solved are realized by adopting the following technical scheme. According to the contact element provided by the invention, the inserting end is used as the front end, the contact element is an integrated structure formed by rolling a conductive strip material, the rear end of the contact element is provided with an open type line pressing end, the extension line of the joint is positioned in the open area of the line pressing end, the joint is provided with the inverted hook structure, and the inverted hook structure is used for realizing the fixed forming of the contact element after being rolled. The beneficial effects are that: 1. the contact element is formed by rolling a stamping strip, a plurality of parts are not required to be assembled in a combined manner, the assembly process is simplified, and the production efficiency is high; 2. the wire pressing end is of an open structure, and the wire can be in press connection with the contact element in the wire pressing direction without obstruction, so that the operation is convenient, and the production efficiency is improved; 3. the rolling process has a joint, and the contact element is fixedly formed through an inverted hook structure on the joint.
Furthermore, the front end of the contact element is set as a functional area, and a contact section, an elastic sheet and a fixed platform are sequentially arranged on the functional area from front to back, wherein the contact section is used for being connected with the adaptive contact element to realize electric contact; the movable end of the elastic sheet is used for being matched with a front fixing table of the insulator in a stopping way, and the stopping surface of the fixing table is used for being matched with a rear limiting table of the insulator in a stopping way, so that the installation and fixation of the contact element are realized.
Furthermore, the contact element is a contact pin, the part of the functional area of the contact element, which is far away from the contact section, is larger than the outer diameter of the contact section, and the elastic sheet is positioned on the part of the functional area, which is far away from the end of the contact element. The beneficial effects are that: after one end of the functional area is thickened, the pin is enabled to have a larger space range, so that the elastic sheet and the fixed table can be arranged, the assembly is more stable, and the strength of the pin is larger.
Further, the length of the contact section in the front-rear direction thereof is equal to or greater than 1/4 of the total length of the functional region. The beneficial effects are that: the contact section length is increased, so that the contact area of the contact pin and the corresponding jack is larger, and the contact is firmer.
Furthermore, the contact element is a jack, the contact section is provided with a split groove, the root of the split groove and the root of the elastic sheet are arranged in a staggered mode in the front-rear direction, and the root of the elastic sheet is located at the rear end of the root of the split groove. The beneficial effects are that: the split groove increases the elasticity of the contact section of the jack, and the arrangement that the root of the split groove is not overlapped with the root of the elastic sheet can improve the structural strength of the jack elastic sheet and the split groove.
Further, the length of the splitting groove is greater than or equal to 1/5 of the total length of the functional area. Has the advantages that: the length of the split groove is increased, so that the elastic deformation of the contact section is increased, and the contact between the jack and the corresponding contact pin is more stable.
Furthermore, the elastic sheet is positioned in the middle section of the barb structure on the joint.
Furthermore, the elastic sheet is tightened by using a tool, so that the contact piece can be taken out of the insulator.
Furthermore, the barb structure includes the wedge barb and the barb groove of mutual interlock, and the one end of joint close is located to the wedge barb, and the other end of joint close is located to the barb groove.
The invention also provides a connector which comprises any one of the contact pieces.
By means of the technical scheme, the contact element is formed by rolling the stamping strip without combining a plurality of parts, so that the assembly efficiency and the production efficiency are improved; the overall structural design of the contact piece improves the structural strength and the installation stability of the contact piece; in addition, the pressing line end structure is open, so that the pressing line end structure is convenient to use when in compression joint with a lead and is convenient for mechanical production; and the contact element of the invention and the existing machining contact element can be interchanged and inserted.
Drawings
Fig. 1 is an exploded view of a conventional pin.
Fig. 2 is an exploded view of a conventional jack.
Fig. 3 is a schematic view of a prior art pin prior to assembly with a pin insulator.
Fig. 4 is a schematic view of a conventional jack before assembly with a hole-mounting insulator.
Fig. 5 is a block diagram of a pin in an embodiment of the invention.
Fig. 6 is a functional block diagram of a pin in accordance with an embodiment of the present invention.
FIG. 7 is a schematic diagram of a pressing direction of the pins according to the embodiment of the present invention.
Fig. 8 to 9 are structural views of the jack in the embodiment of the present invention.
Fig. 10 is a functional area schematic of a jack in an embodiment of the present invention.
Fig. 11 is a schematic view of a pin prior to installation in a pin insulator in accordance with an embodiment of the present invention.
Fig. 12 is a schematic view of a pin after it is loaded into a pin insulator in accordance with an embodiment of the present invention.
Fig. 13 is a schematic view of a jack according to an embodiment of the present invention before it is installed in a hole-mounting insulator.
Fig. 14 is a schematic view of a jack according to an embodiment of the present invention after it has been installed in a hole-mounting insulator.
Description of reference numerals:
1-a line pressing end; 2-seaming; 3-barb structure; 31-wedge shaped barbs; 32-inverted hook groove; 4-a contact section; 5-a spring plate; 51-spring plate root; 6-a fixed table; 7-a functional region; 8-splitting the groove; 81-groove splitting root; 9-an insulator; 91-front fixed table; 92-a rear fixed table; a-an extension line of the joint close; b-the central line of the barb structure.
Detailed Description
The present invention will be described in more detail with reference to the accompanying drawings and preferred embodiments.
Referring to fig. 5 to 14, a contact element, which uses its insertion end as the front end and is a rolled structure made of conductive strip, does not need to assemble a plurality of parts, and simplifies the assembly process. The rear end of the contact element is provided with an open type wire pressing end 1 for pressing and connecting with a wire; because the contact piece is formed by rolling, the contact piece has a rolled seam 2, the seam 2 extends along the front-back direction, and an extension line A of the seam 2 is positioned in the opening region 11 of the line pressing end 1. The line ball end is open-type structure, and the wire can unimpededly carry out the crimping with the contact in line ball direction, and convenient operation improves production efficiency. And the joint 2 is provided with an inverted hook structure 3, and the inverted hook structure 3 is used for realizing the fixed forming after the contact element is rolled. The contact element can be interchanged and oppositely inserted with a machining contact element in the prior art, and has strong compatibility.
The front end of the contact element is a functional area 7, and a contact section 4, an elastic sheet 5 and a fixed platform 6 are sequentially arranged on the functional area 7 from front to back, wherein the contact section 4 is used for being connected with the adaptive contact element to realize an electric contact function; at least one elastic sheet 5 is arranged, the movable end of the elastic sheet 5 tilts towards the rear end direction in an inclined mode, and the movable end of the elastic sheet is used for being matched with a front fixing table 91 in the insulator 9 in a stop mode; the stop surface of the fixed table 6 is used for stopping and matching with a rear limit table 92 in the insulator 9; the installation and fixation of the contact element are realized through the elastic sheet and the fixed table. Because the elastic sheet 5 has elasticity, the movable end of the elastic sheet can be radially inwards tightened by using a tool, and the contact piece is taken out of the insulator, so that the contact piece is convenient to take out and disassemble.
As shown in fig. 5 and 6, when the contact element is a pin, the part of the functional region of the contact element far from the contact section is larger than the outer diameter of the contact section, and the spring piece 5 is located on the part of the functional region far from the end of the contact element; after one end of the functional area is thickened, the pin is enabled to have a larger space range, so that the elastic sheet and the fixed table can be arranged, the assembly is more stable, and the strength of the pin is larger. In this embodiment, the length of the contact section along the front-back direction is greater than or equal to 1/4 of the total length of the functional area, which increases the length of the contact section, so that the contact area of the contact pin and the corresponding jack is larger, and the contact is firmer.
As shown in fig. 7 to 10, when the contact element is a jack, the contact section 4 is provided with at least one splitting groove 8, the splitting grooves 8 are circumferentially and uniformly distributed, when a plurality of splitting grooves are arranged, the front end of each splitting groove 7 is open, the splitting groove root 81 at the rear end of each splitting groove and the spring plate root 51 at the front end of each spring plate are arranged in a staggered manner in the front-rear direction, and the spring plate root 51 is positioned at the rear end of the splitting groove root 81; the split groove increases the elasticity of the contact section of the jack, and is beneficial to the contact conduction stability between the contact pieces; the arrangement that the root of the split groove and the root of the elastic sheet do not coincide in the axial direction can improve the structural strength of the jack elastic sheet and the split groove. In this embodiment, the length of the split groove 8 is greater than or equal to 1/5 of the total length of the functional area, and the elastic deformation of the contact section is increased by increasing the length of the split groove, so that the contact between the jack and the corresponding pin is more stable.
The barb structure on the joint close sets up at least one, as figure 6, and shell fragment 5 is located 3 middle sections of barb structures on the joint close, and the shell fragment root is located barb structure's central line B, and this improvement shell fragment self intensity is favorable to improving on the basis of the miniaturized design as far as possible of contact length size for contact fixed mounting stability is stronger. In this embodiment, the barb structure 3 is not located in the contact section and is located between the contact section and the fixing platform, the barb structure includes a wedge-shaped barb 31 and a barb groove 32, the joint 2 has two ends that are oppositely arranged and connected with each other, the wedge-shaped barb 31 is located at one end of the two ends of the joint, the barb groove 32 is located at the other end of the joint, and the wedge-shaped barb and the barb groove are mutually buckled/occluded after the contact is rolled, so that the contact maintains a rolling shape, and fixed forming is realized; because the joint seam does not need welding, no welding seam is formed, the rolling forming efficiency is high, and solder different from the contact piece is not additionally introduced, so that the contact piece is easy to maintain the electrical performance of the contact piece.
Examples of connectors:
the connector may be a plug connector or a receptacle connector, and the connector includes an insulator and a contact mounted in a mounting hole of the insulator, and the contact has the same structure as the contact described in the above-mentioned contact embodiment, and is not described herein again.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art can make any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the present invention without departing from the scope of the present invention, and still fall within the scope of the present invention.
Claims (10)
1. A contact element takes a plug-in end thereof as a front end, and is characterized in that: the contact element is an integrated structure formed by rolling a conductive strip, an open type line pressing end is arranged at the rear end of the contact element, the extension line of the joint is positioned in the open area of the line pressing end, and a barb structure is arranged on the joint and used for realizing the fixed forming of the rolled contact element.
2. A contact according to claim 1, wherein: the front end of the contact element is set as a functional area, a contact section, an elastic sheet and a fixed platform are sequentially arranged on the functional area from front to back, and the contact section is used for being connected with the adaptive contact element to realize electric contact; the movable end of the elastic sheet is used for being matched with a front fixing table in the insulator in a stopping way, and the stopping surface of the fixing table is used for being matched with a rear limiting table in the insulator in a stopping way, so that the contact is installed and fixed.
3. A contact according to claim 2, wherein: the contact is a contact pin, the part of the functional area of the contact far away from the contact section is larger than the outer diameter of the contact section, and the elastic sheet is positioned on the part of the functional area far away from the end of the contact.
4. A contact according to claim 3, wherein: the length of the contact section in the front-rear direction thereof is greater than or equal to 1/4 of the total length of the functional region.
5. A contact according to claim 2, wherein: the contact element is a jack, the contact section is provided with a splitting groove, the root of the splitting groove and the root of the elastic sheet are arranged in a staggered mode in the front-rear direction, and the root of the elastic sheet is located at the rear end of the root of the splitting groove.
6. A contact according to claim 5, wherein: the length of the cleavage slot is greater than or equal to 1/5 of the total length of the functional region.
7. A contact according to claim 4 or 6, wherein: the elastic sheet is positioned in the middle section of the barb structure on the joint.
8. A contact according to claim 7, wherein: the contact can be removed from the insulator by tightening the spring with a tool.
9. A contact according to claim 7, wherein: the barb structure includes wedge barb and the barb groove of mutual interlock, and the one end of joint close is located to the wedge barb, and the other end of joint close is located to the barb groove.
10. A connector, characterized in that: the connector includes the contact of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210066177.6A CN114566822A (en) | 2022-01-20 | 2022-01-20 | Contact and connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210066177.6A CN114566822A (en) | 2022-01-20 | 2022-01-20 | Contact and connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114566822A true CN114566822A (en) | 2022-05-31 |
Family
ID=81712612
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210066177.6A Pending CN114566822A (en) | 2022-01-20 | 2022-01-20 | Contact and connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114566822A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117293614A (en) * | 2023-11-24 | 2023-12-26 | 安费诺汽车连接系统（常州）有限公司 | Switching terminal with switching function for electric connector |
| WO2024045613A1 (en) * | 2022-08-29 | 2024-03-07 | 中航光电科技股份有限公司 | Rolled jack |
| CN117293614B (en) * | 2023-11-24 | 2024-04-30 | 安费诺汽车连接系统（常州）有限公司 | Switching terminal with switching function for electric connector |
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| CN212209825U (en) * | 2020-07-14 | 2020-12-22 | 江聪华 | Plug convenient to equipment |
| CN213026614U (en) * | 2020-08-26 | 2021-04-20 | 中航光电科技股份有限公司 | Electric connector contact pin mounting structure with closed type positioning sleeve |
| CN213401585U (en) * | 2020-10-12 | 2021-06-08 | 深圳市柯耐特科技有限公司 | Screw thread type connector |
| CN213546608U (en) * | 2020-12-10 | 2021-06-25 | 温州优端电子有限公司 | Battery car charging interface capable of preventing needle from being disengaged |
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- 2022-01-20 CN CN202210066177.6A patent/CN114566822A/en active Pending
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| EP3172801A1 (en) * | 2014-07-21 | 2017-05-31 | Hirschmann Automotive GmbH | Pin-and-socket connection comprising a socket contact and a pin contact |
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| CN209747854U (en) * | 2019-06-26 | 2019-12-06 | 深圳金信诺高新技术股份有限公司 | Radio frequency coaxial connector of circuit board |
| CN110277705A (en) * | 2019-07-05 | 2019-09-24 | 上海航天科工电器研究院有限公司 | A kind of high fault tolerance radio frequency (RF) coaxial connector and component |
| CN110752462A (en) * | 2019-10-09 | 2020-02-04 | 中航光电科技股份有限公司 | Coaxial connector and outer conductor thereof |
| CN110676647A (en) * | 2019-10-21 | 2020-01-10 | 昆山捷皇电子精密科技有限公司 | TYPE-C connector with high strength and high waterproof grade |
| CN110932012A (en) * | 2019-11-25 | 2020-03-27 | 中航光电科技股份有限公司 | Contact for connector and connector |
| CN211605469U (en) * | 2020-03-17 | 2020-09-29 | 宁波东浩光伏科技有限公司 | Stamping forming's photovoltaic connector terminal |
| CN212209825U (en) * | 2020-07-14 | 2020-12-22 | 江聪华 | Plug convenient to equipment |
| CN213026614U (en) * | 2020-08-26 | 2021-04-20 | 中航光电科技股份有限公司 | Electric connector contact pin mounting structure with closed type positioning sleeve |
| CN213401585U (en) * | 2020-10-12 | 2021-06-08 | 深圳市柯耐特科技有限公司 | Screw thread type connector |
| CN213546608U (en) * | 2020-12-10 | 2021-06-25 | 温州优端电子有限公司 | Battery car charging interface capable of preventing needle from being disengaged |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024045613A1 (en) * | 2022-08-29 | 2024-03-07 | 中航光电科技股份有限公司 | Rolled jack |
| CN117293614A (en) * | 2023-11-24 | 2023-12-26 | 安费诺汽车连接系统（常州）有限公司 | Switching terminal with switching function for electric connector |
| CN117293614B (en) * | 2023-11-24 | 2024-04-30 | 安费诺汽车连接系统（常州）有限公司 | Switching terminal with switching function for electric connector |
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