CN113948898A - Contact element structure of connector - Google Patents
Contact element structure of connector Download PDFInfo
- Publication number
- CN113948898A CN113948898A CN202111134065.1A CN202111134065A CN113948898A CN 113948898 A CN113948898 A CN 113948898A CN 202111134065 A CN202111134065 A CN 202111134065A CN 113948898 A CN113948898 A CN 113948898A
- Authority
- CN
- China
- Prior art keywords
- pin component
- mounting hole
- metal sleeve
- connector
- tail
- 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
- 239000002184 metal Substances 0.000 claims abstract description 57
- 239000000919 ceramic Substances 0.000 claims description 21
- 238000009434 installation Methods 0.000 abstract description 6
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 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
- H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
-
- 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
-
- 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
- H01R13/22—Contacts for co-operating by abutting
- H01R13/24—Contacts for co-operating by abutting resilient; resiliently-mounted
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
A contact element structure of a connector comprises a connector shell, wherein a contact pin component mounting hole is formed in the connector shell in the plugging direction and used for plugging a contact pin component, and the contact pin component mounting hole and a key used for positioning and guiding on the connector shell are machined on the same side, so that the relative position precision of the contact pin component mounting hole and the key is ensured; one side of the head of the pin component mounting hole is provided with a metal sleeve mounting hole for positioning and fixing a metal sleeve; one side of the tail of the pin component mounting hole is provided with a pressing plate with a through hole, the pin component penetrates through the through hole of the pressing plate, and the pin component is axially limited through the pressing plate and the metal sleeve. Compared with the prior art, the invention has the advantages that: through spacing after metal covering fixed mounting, contact pin part mounting hole and key homonymy processing location, gasket II and the spacing of clamp plate, guaranteed the relative position precision of contact pin part installation back with the key, and then the precision when guaranteeing the connector cartridge improves and produces property stability.
Description
Technical Field
The invention relates to a connector, in particular to a contact element structure of the connector.
Background
The metal sleeve of the existing connector contact element structure is only in threaded connection with the connector shell, and has no precise positioning structure, so that the metal sleeve cannot be precisely installed; the pin part mounting hole on the connector shell is a step hole, and the pin part mounting hole and the key on the connector shell cannot be processed at the same side, so that the relative position precision between the pin part mounting hole and the key is not high, and the stability of product performance is influenced after the pin part mounting hole and the key are inserted.
Disclosure of Invention
In view of the above-mentioned technical problem of the inaccurate installation between the connector parts, the present invention aims to provide a connector contact structure.
The purpose of the invention is realized by adopting the following technical scheme. According to the connector contact element structure provided by the invention, the connector contact element structure comprises a connector shell, wherein a contact pin component mounting hole is formed in the connector shell in the plugging direction and used for plugging a contact pin component, and the contact pin component mounting hole and a key used for positioning and guiding on the connector shell are processed on the same side, so that the relative position precision of the contact pin component mounting hole and the key is ensured; one side of the head of the pin component mounting hole is provided with a metal sleeve mounting hole for positioning and fixing a metal sleeve; one side of the tail of the pin component mounting hole is provided with a pressing plate with a through hole, the pin component penetrates through the through hole of the pressing plate, and the pin component is axially limited through the pressing plate and the metal sleeve.
Furthermore, the inner wall of the tail part of the metal sleeve mounting hole is provided with a limiting structure, the inner diameter of the limiting structure is smaller than the inner diameter of the metal sleeve mounting hole main body and used for accurate positioning during metal sleeve mounting, and the inner diameter of the limiting structure is larger than the inner diameter of the contact pin component mounting hole.
Furthermore, a ceramic sleeve is nested in the metal sleeve, and a contact pin arranged at the head of the contact pin component is inserted in the ceramic sleeve.
Further, the bottom of the metal sleeve mounting hole is provided with a gasket I, the inner diameter of the through hole in the gasket I is smaller than the outer diameter of the ceramic sleeve, and the outer side of the gasket I abuts against the tail ends of the metal sleeve and the ceramic sleeve.
Further, the outer diameter of the head of the pin component is larger than the outer diameter of the tail of the pin component, correspondingly, the inner diameter of the inner cavity of the head of the pin component is larger than the inner diameter of the inner cavity of the tail of the pin component, a pin is inserted into the inner cavity of the head of the pin component, and the tail of the pin component penetrates through the through hole of the pressing plate.
Furthermore, the contact pin is inserted in a ceramic sleeve in the metal sleeve, and a gasket I is arranged between the head of the contact pin component and the tail of the metal sleeve and the ceramic sleeve.
Furthermore, the tail part of the pin inserting component is arranged in the through hole of the pressure plate in a floating mode.
Further, the tail portion of the pin component is sleeved with a spring, the tail portion of the pin component mounting hole is provided with a gasket II, one side of the gasket II is abutted to the pressing plate, and the other side of the gasket II and the head portion of the pin component are jointly limited to the axial direction of the spring.
Furthermore, a plug cavity is arranged in the center of the head of the connector shell, an opening of the metal sleeve mounting hole is located in the tail end face of the plug cavity, and the head of the metal sleeve is located in the plug cavity.
Furthermore, a plurality of keys are distributed on the head of the connector shell around the circumference of the central outer wall.
Compared with the prior art, the invention has the advantages that: through spacing after metal covering fixed mounting, contact pin part mounting hole and key homonymy processing location, gasket II and the spacing of clamp plate, guaranteed the relative position precision of contact pin part installation back with the key, and then the precision when guaranteeing the connector cartridge improves and produces property stability.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented in accordance with the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more clearly understood, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a partial cross-sectional view of one embodiment of a connector contact structure of the present invention;
FIG. 2 is a perspective partial sectional view of FIG. 1;
FIG. 3 is a left side view of FIG. 1;
fig. 4 is a partially enlarged view of a portion a in fig. 1.
[ reference numerals ]
1-connector housing, 101-limiting structure, 102-pin component mounting hole, 103-plugging cavity, 104-key, 105-metal sleeve mounting hole, 2-metal sleeve, 3-ceramic sleeve, 4-gasket I, 5-pin component, 501-pin, 6-spring, 7-gasket II, 8-connecting piece and 9-pressing plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
One embodiment of a contact structure of a connector according to the present invention, as shown in fig. 1 to 4, includes a connector housing 1, a metal shell 2, a ceramic bushing 3, a gasket I4, a pin member 5, a spring 6, a gasket II7, a connecting member 8, and a pressing plate 9. The plug end of the connector is defined as a head part, and the part far away from the plug end is defined as a tail part.
The wall body of the outer side of the head of the connector shell 1 is provided with a plurality of keys 104 along the axial direction, the keys 104 are distributed around the center of the connector shell 1, when another connector is plugged with the connector, the keys 104 play a role in guiding and positioning, a key groove matched with the keys 104 is arranged in the inner cavity of the plugging end of the other connector, when the connector is plugged into the inner cavity of the other connector, the guiding and positioning are realized through the matching of the keys 104 and the corresponding key grooves, and in the embodiment, the keys 104 are totally arranged by 5.
The middle position of the head of the connector shell 1 is provided with an inserting cavity 103, a metal sleeve mounting hole 105 axially extends in the connector shell 1, and an opening at the head of the metal sleeve mounting hole is formed in the tail end face of the inserting cavity 103. The metal sleeve mounting hole 105 is used for mounting the metal sleeve 2, the head of the metal sleeve 2 is located in the plugging cavity 103, and the metal sleeve 2 and the connector housing 1 are fixed through threaded connection, and other fixing modes can be selected. The afterbody inner wall of metal covering mounting hole 105 sets up limit structure 101, and limit structure 101's internal diameter further reduces on the internal diameter basic dimension of metal covering mounting hole 105 for limit structure 101 and the super little clearance fit location of metal covering 2 guarantee the accuracy of 2 mounted position of metal covering.
A pin member mounting hole 102 extends axially in the connector housing 1, and an opening of the pin member mounting hole 102 is located at a rear end surface of the ferrule mounting hole 105. The inner diameter of the limiting structure 101 is larger than the inner diameter of the pin member mounting hole 102, the tail end of the metal sleeve mounting hole 105 is provided with a gasket I4, and the tail end of the gasket I4 abuts against a step surface formed between the pin member mounting hole 102 and the metal sleeve mounting hole 105. The ceramic sleeve 3 is sleeved in the metal sleeve 2, the inner diameter of the through hole in the gasket I4 is smaller than the outer diameter of the ceramic sleeve 3, and the tail ends of the metal sleeve 2 and the ceramic sleeve 3 are both supported on the gasket I4 and used for axially limiting the ceramic sleeve 3.
The pin component mounting hole 102 is a through hole structure and is inserted with the pin component 5, and the head of the pin component 5 is abutted against the gasket I4. The pin component mounting holes 102 and the keys 104 are processed and positioned on the same side, so that the relative position precision of the pin component mounting holes 102 and the keys 104 can be accurately ensured, and further the position precision of the pin component 5 and the insertion precision of the connector during insertion are ensured. The outer diameter of the head part of the pin inserting component 5 is larger than that of the tail part, and correspondingly, the inner diameter of the inner cavity of the head part of the pin inserting component 5 is larger than that of the inner cavity of the tail part. A pin 501 is fixed in the head inner cavity of the pin member 5, the tail of the pin 501 is positioned in the head inner cavity of the pin member, and the head is inserted in the ceramic sleeve 3.
The tail part of the connector shell is provided with a pressure plate 9, and the pressure plate 9 and the connector shell 1 can be fixed through a screw or a fastening nut and other structures. The pressing plate 9 is provided with a through hole, and the tail part of the pin inserting component 5 is arranged in the through hole on the pressing plate 9 in a penetrating way. The fit between the tail of the pin member 5 and the pressing plate 9 is a large clearance fit, preventing the pressing plate 9 from affecting the floating of the pin member 5.
And a gasket II7 is arranged in the inner cavity at the tail part of the pin component mounting hole, the pin component 5 is arranged in the gasket I17 in a penetrating way, and one side of the gasket II7 facing to the tail end is abutted against the pressure plate 9. A spring 6 is arranged between the gasket I17 and the head part of the pin component 5, and the spring 6 is sleeved on the tail part of the pin component 5 at the same time. The spacer II7 also prevents the spring 6 from being skewed by sinking into the through hole of the pressure plate 9. The whole plug-in component 5 is axially limited by the metal sleeve 2 fixed at the head side and the pressure plate 9 fixed at the tail side.
The connector shell 1 outside cover is equipped with connecting piece 8, and connecting piece 8 is used for being connected with other connectors, leaves the clearance that supplies connector shell 1 cartridge between 8 head inner walls of connecting piece and the connector shell 1 head outer wall.
The connector assembly process: the key 104 on the connector shell 1 and the pin component mounting hole 102 are processed and positioned on the same side, the pressing plate 9 is fixed at the tail part of the connector shell 1, and the center position of the through hole on the pressing plate 9 is aligned with the center position of the pin component mounting hole 102; a gasket II7 is arranged at the bottom of the pin component mounting hole 102, and the spring 6 is sleeved at the tail part of the pin component 5; then inserting the pin component 5 into the pin component mounting hole 102, and sequentially inserting the tail part of the pin component 5 into the gasket II7 and the through hole on the pressure plate 9; then, the gasket I4 is arranged at the bottom of the metal sleeve mounting hole 105 and is abutted against the head end face of the pin component 5; then, the ceramic bushing 3 is placed in the metal sleeve 2, the metal sleeve 2 is fixedly installed in the metal sleeve installation hole 105, and the tail parts of the metal sleeve 2 and the ceramic bushing 3 are abutted against the gasket I4. The connector assembly process described above illustrates the mating relationship of the components, and other assembly sequences may be used.
Through the limit after the metal sleeve 2 is fixedly installed, the processing and positioning of the pin component installation hole 102 and the key 104 on the same side, and the limit of the gasket II7 and the pressing plate 9, the relative position precision of the pin component 5 after installation and the key 104 is ensured, the precision during the insertion of the connector is further ensured, and the performance stability of the product is improved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A connector contact structure comprising a connector housing (1), characterized in that: a pin component mounting hole (102) is formed in the connector shell (1) in the plugging direction and used for plugging a pin component (5), and the pin component mounting hole (102) and a key (104) used for positioning and guiding on the connector shell (1) are machined on the same side, so that the relative position accuracy of the pin component mounting hole and the key is ensured; one side of the head of the pin component mounting hole (102) is provided with a metal sleeve mounting hole (105) for positioning and fixing the metal sleeve (2); one side of the tail of the pin component mounting hole (102) is provided with a pressing plate (9) with a through hole, the pin component (5) penetrates through the through hole of the pressing plate (9), and the pin component (5) is axially limited through the pressing plate (9) and the metal sleeve (2).
2. A connector contact structure according to claim 1, wherein: the inner wall of the tail of the metal sleeve mounting hole is provided with a limiting structure (101), the inner diameter of the limiting structure (101) is smaller than that of the main body of the metal sleeve mounting hole (105) and used for accurately positioning when the metal sleeve (2) is mounted, and the inner diameter of the limiting structure (101) is larger than that of the pin component mounting hole (102).
3. A connector contact structure according to claim 1 or 2, wherein: the ceramic bushing (3) is nested in the metal sleeve (2), and the inserting pin (501) arranged at the head of the inserting pin component is inserted in the ceramic bushing (3).
4. A connector contact structure according to claim 3, wherein: the bottom of metal covering mounting hole (105) sets up gasket I (4), and the internal diameter of through-hole is less than the external diameter of ceramic bushing (3) on gasket I (4), and the tail end at metal covering (2), ceramic bushing (3) both is supported in the outside of gasket I (4).
5. A connector contact structure according to claim 1, wherein: the outer diameter of the head part of the pin component (5) is larger than the outer diameter of the tail part, correspondingly, the inner diameter of the inner cavity of the head part of the pin component is larger than the inner diameter of the inner cavity of the tail part, a pin (501) is inserted into the inner cavity of the head part of the pin component, and the tail part of the pin component penetrates through the through hole of the pressing plate (9).
6. A connector contact structure according to claim 5, wherein: the pin (501) is inserted into the ceramic sleeve (3) in the metal sleeve, and a gasket I (4) is arranged between the head of the pin component (5) and the tail of the metal sleeve (2) and the ceramic sleeve (3).
7. A connector contact structure according to claim 5, wherein: the tail part of the pin component is arranged in the through hole of the pressure plate (9) in a floating mode.
8. A connector contact structure according to claim 7, wherein: spring (6) is sleeved on the tail of the pin component, a gasket II (7) is arranged on the tail of the pin component mounting hole (102), one side of the gasket II (7) is abutted to the pressing plate (9), and the other side of the gasket II (7) and the head of the pin component (5) are jointly axially limited for the spring (6).
9. A connector contact structure according to claim 1, wherein: the connector shell is characterized in that a plug-in cavity (103) is arranged in the center of the head of the connector shell (1), an opening of a metal sleeve mounting hole (105) is located on the tail end face of the plug-in cavity (103), and the head of a metal sleeve (2) is located in the plug-in cavity (103).
10. A connector contact structure according to any one of claims 1-2, 5-9, wherein: the connector shell (1) is characterized in that a plurality of keys (104) are circumferentially distributed on the outer wall of the head part surrounding the center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111134065.1A CN113948898A (en) | 2021-09-26 | 2021-09-26 | Contact element structure of connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111134065.1A CN113948898A (en) | 2021-09-26 | 2021-09-26 | Contact element structure of connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113948898A true CN113948898A (en) | 2022-01-18 |
Family
ID=79329202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111134065.1A Pending CN113948898A (en) | 2021-09-26 | 2021-09-26 | Contact element structure of connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113948898A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201413419Y (en) * | 2009-03-24 | 2010-02-24 | 中航光电科技股份有限公司 | Optical cable connector |
| CN102419464A (en) * | 2011-12-29 | 2012-04-18 | 上海方奥通信技术有限公司 | Novel multi-core neutral optical cable connector |
| CN102882053A (en) * | 2012-10-23 | 2013-01-16 | 中国电子科技集团公司第四十研究所 | Photoelectric mixed connector |
| CN103217748A (en) * | 2013-03-04 | 2013-07-24 | 中航光电科技股份有限公司 | Pluggable optical fiber connector and plug thereof |
| US20140016901A1 (en) * | 2012-07-11 | 2014-01-16 | Tyco Electronics Uk Ltd. | Rfid-enabled optical adapter for use with a patch panel |
| CN104218356A (en) * | 2013-05-30 | 2014-12-17 | 中航光电科技股份有限公司 | Optical-electric hybrid connector |
| CN205450357U (en) * | 2016-03-03 | 2016-08-10 | 中国电子科技集团公司第二十三研究所 | Highly reliable inclined plane fiber connector of multicore |
| CN207636815U (en) * | 2017-12-29 | 2018-07-20 | 深圳市星欣磊实业有限公司 | A kind of easy clean type light source adapter switching device |
| CN113050232A (en) * | 2021-03-24 | 2021-06-29 | 中航光电科技股份有限公司 | Optical fiber contact element and optical fiber connector |
-
2021
- 2021-09-26 CN CN202111134065.1A patent/CN113948898A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201413419Y (en) * | 2009-03-24 | 2010-02-24 | 中航光电科技股份有限公司 | Optical cable connector |
| CN102419464A (en) * | 2011-12-29 | 2012-04-18 | 上海方奥通信技术有限公司 | Novel multi-core neutral optical cable connector |
| US20140016901A1 (en) * | 2012-07-11 | 2014-01-16 | Tyco Electronics Uk Ltd. | Rfid-enabled optical adapter for use with a patch panel |
| CN102882053A (en) * | 2012-10-23 | 2013-01-16 | 中国电子科技集团公司第四十研究所 | Photoelectric mixed connector |
| CN103217748A (en) * | 2013-03-04 | 2013-07-24 | 中航光电科技股份有限公司 | Pluggable optical fiber connector and plug thereof |
| CN104218356A (en) * | 2013-05-30 | 2014-12-17 | 中航光电科技股份有限公司 | Optical-electric hybrid connector |
| CN205450357U (en) * | 2016-03-03 | 2016-08-10 | 中国电子科技集团公司第二十三研究所 | Highly reliable inclined plane fiber connector of multicore |
| CN207636815U (en) * | 2017-12-29 | 2018-07-20 | 深圳市星欣磊实业有限公司 | A kind of easy clean type light source adapter switching device |
| CN113050232A (en) * | 2021-03-24 | 2021-06-29 | 中航光电科技股份有限公司 | Optical fiber contact element and optical fiber connector |
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