CN203193035U - Electrical connector - Google Patents
Electrical connector Download PDFInfo
- Publication number
- CN203193035U CN203193035U CN 201320231858 CN201320231858U CN203193035U CN 203193035 U CN203193035 U CN 203193035U CN 201320231858 CN201320231858 CN 201320231858 CN 201320231858 U CN201320231858 U CN 201320231858U CN 203193035 U CN203193035 U CN 203193035U
- Authority
- CN
- China
- Prior art keywords
- electric connector
- insulating body
- shielding casing
- base portion
- host cavity
- 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.)
- Withdrawn - After Issue
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model relates to an electrical connector. The electrical connector comprises an insulation body, a conductive terminal fixed on the insulation body, and a shielding shell shielding the conductive terminal. The shielding shell comprises an accommodation chamber extending in an insertion direction of the electrical connector, the insulation body comprises a base portion and a tongue plate, and the tongue plate is formed by forwardly extending from the base portion and is accommodated in the accommodation chamber. The electrical connector further comprises a dust shield covering the insulation body and the shielding shell, and a dust cover installed on the insulation body. The dust cover covers an opening of the accommodation chamber, and moves in the accommodation chamber in the insertion direction of the electrical connector. Dust is prevented from entering the electrical connector from two different angles via the dust shield and the dust cover, so that the dustproof function of the electrical connector is improved.
Description
Technical field
The utility model relates to a kind of electric connector.
Background technology
USB (Universal Serial Bus, USB) connector is used for electronic installation, and electronic installation is personal computer, mobile phone, digital camera etc.Electronic installation carries out the transmission of information signal by universal serial bus connector.Micro USB connector (Micro USB) is a kind of in the universal serial bus connector, is a portable version of USB 2.0 standards.
At present, the electric connector of the prior art shielding casing that comprises insulating body, be fixed on the conducting terminal on the insulating body and cover insulating body.Shielding casing is metal shell, and its inside is formed with the host cavity of accommodating insulating body.Because host cavity is outwardly open setting, so, in the process of using, dust can enter in the electric connector by this host cavity, again because, offer opening on the top of shielding casing of the prior art, so dust can enter in the electric connector by this opening.And after entering dust in the electric connector and entering, can influence the switching performance of electric connector.
In view of this, be necessary existing electric connector is improved to address the above problem.
The utility model content
The purpose of this utility model is to provide a kind of electric connector that improves dust reduction capability.
For realizing aforementioned purpose, the utility model adopts following technical scheme: a kind of electric connector, comprise insulating body, be fixed on the conducting terminal on the described insulating body, cover the shielding casing of described conducting terminal, described shielding casing comprises the host cavity that extends along the grafting direction of electric connector, described insulating body comprises base portion, extend to form and be housed in hyoplastron in the described host cavity forward from described base portion, described electric connector comprises that also covering is at the dust cover in described insulating body and the shielding casing outside, be installed in the dust cap on the insulating body, described dust cap hide the opening part of described host cavity and in described host cavity the grafting direction along electric connector move.
As further improvement of the utility model, described insulating body also comprises the adjutage that extends to form before at least one side direction of described base portion, be formed with containing cavity in the described adjutage, described dust cap comprises the lid that is housed in the host cavity, is housed in the balance columns in the described containing cavity and the connecting rod that connects described lid and balance columns.
As further improvement of the utility model, be provided with spring between described dust cap and the base portion, the end cover of described spring is on balance columns, and the other end supports on base portion.
As further improvement of the utility model, described adjutage is positioned at the outside of described shielding casing, offer the slit that passes and move along the grafting direction of electric connector for described connecting rod on the described shielding casing within it, described shielding casing is provided with the limiting section that the place ahead of being positioned at described slit moves forward with limiting rod.
As further improvement of the utility model, described insulating body outwards protrudes out and is formed with holding block, and described dust cover comprises roof, extends and be held in the flank of insulating body both sides from described roof both sides downwards, is recessed to form the fixing slot that holds described holding block forward from the rear end of described flank.
As further improvement of the utility model, be formed with the brace of the described fixing slot of sealing on the described flank, described brace outwards be bent to form with the fixing fixing chamber of described holding block.
As further improvement of the utility model, described dust cover also comprises from described roof and tears to support the arm that supports on shielding casing downwards.
As further improvement of the utility model, described insulating body also comprises the boss that extends to form forward from described base portion, described shielding casing has the retaining arm of projection in the described host cavity, and described retaining arm is positioned at the rear of described dust cap and supports front side at described boss.
As further improvement of the utility model, described shielding casing comprises second wall that contacts with a circuit board, and described second wall has the convex tendon that protrudes out and contact with circuit board towards circuit board.
The beneficial effects of the utility model are: electric connector of the present utility model is by arranging covering at the dust cover in insulating body and the shielding casing outside, prevent that dust from entering in the electric connector from the upper surface of electric connector, be installed on the insulating body and hide at the opening part of host cavity and the dust cap that moves along the grafting direction of electric connector by setting, prevent that dust from entering in the electric connector in host cavity, so, prevent that from two different angles dust from entering in the electric connector, improved the dust reduction capability of electric connector with dust cap by dust cover.
Description of drawings
Fig. 1 is for being installed in the structural representation of the electric connector on the circuit board in the utility model embodiment.
Fig. 2 is the exploded view of the electrical connection of Fig. 1.
Fig. 3 is the part-structure figure of Fig. 1.
Fig. 4 is the part-structure figure of Fig. 3.
Fig. 5 is the part-structure figure of Fig. 4.
Embodiment
See also Fig. 1 to Fig. 5, the electric connector 100 among the utility model one embodiment is fixed on the circuit board 6.This electric connector 100 comprises insulating body 1, be fixed on conducting terminal 2 on the insulating body 1, cover conducting terminal 2 shielding casing 3, hide dust cover 5 in insulating body 1 and shielding casing 3 outsides, with the circuit board 6 of conducting terminal 2 electric connections, the dust cap 4 that is installed on the insulating body 1 and moves along the grafting direction of electric connector 100 and support spring 7 between insulating body 1 and dust cap 4.
Described insulating body 1 comprises base portion 11, the hyoplastron 13 that extends to form forward from base portion 11 and two adjutages 14 that extend to form forward from the both sides of base portion 11 respectively.Two adjutages 14 are oppositely arranged on the left and right sides of hyoplastron 13 respectively.Be formed with gap 15 between two adjutages 14 and the hyoplastron 13.Hyoplastron 13 has the first surface 131 that is oppositely arranged and second surface 132, and the terminal groove 133 that is recessed to form from second surface 132.Conducting terminal 2 has the contact site 21 that is fixed on the terminal groove 133 and the weld part 22 that electrically connects with circuit board 6.Contact site 21 has and is exposed to contact-making surface (not label) outer and that electrically connect with the conducting terminal of other electric connectors.Be formed with containing cavity 141 in the described adjutage 14.
Described shielding casing 3 comprises body 31 and the fixing arm in body 31 extands rearward to base portion 11 32 that is arranged on base portion 11 front sides.Described body 31 comprises the first wall 33 that is oppositely arranged and second wall 34, the 3rd wall 35 that is oppositely arranged and wall 36 and the host cavity 37 that is surrounded by first wall 33, second wall 34, the 3rd wall 35 and wall 36.The contact site 21 of hyoplastron 13 and conducting terminal 2 is accommodated in the host cavity 37.Two adjutages of insulating body 1 are positioned at the outside of shielding casing 3.
Described fixing arm 32 comprises first fixing arm 321 and four second fixing arms 322, and one of them first fixing arm 321 and two second fixing arms 322 are formed first row, and two other second fixing arm 322 is formed second row.Two second fixing arms 322 among first row are positioned at the both sides of first fixing arm 321, and the three is all from first wall 33 formation that extends back.Two second fixing arms 322 of second row are from the formation that extends back of second wall 34.First row in two second fixing arms 322 respectively with second row in two second fixing arms 322 align.Described base portion 11 is provided with the support slot 111 in order to take in fixing arm 32.The end of described second fixing arm 322 is bent to form the retaining sheet 323 that is exposed to support slot 111 outsides.Described retaining sheet 323 supports with the rear surface of base portion 11.
Described shielding casing 3 has from the first wall 33 retaining arm 38 that projection forms in the host cavity 37.Described insulating body 1 also comprises from base portion 11 and extends to the boss 16 that covers in the body 3 forward.Retaining arm 38 supports in the front side of boss 16, and is positioned at the rear of dust cap 4.
Described dust cap 4 comprises and is housed in the host cavity 37 to hide lid 41 at host cavity 37 opening parts, to be housed in balance columns 42 containing cavity 141 in and the connecting rod 43 of connection lid 41 and balance columns 42.Offer on the lid 41 for what hyoplastron 13 stretched into and dodge groove 44.Offer the slit 391 that passes and make connecting rod 43 to move along the grafting direction of electric connector 100 for connecting rod 43 on the 3rd wall 35 of described shielding casing 3 and the wall 36 respectively within it.Be respectively equipped with the limiting section 392 that the place ahead of being positioned at slit 391 moves forward with limiting rod 43 on the 3rd wall 35 of described body 31 and the wall 36.
The one end cover of described spring 7 is extremely in the rear end of balance columns 42, and the other end supports on the base portion 11 of insulating body 1.
Above-mentioned dust cap 4 at electric connector 100 with when other electric connectors dock, dust cap 4 is mobile backward with electric connector grafting direction along electric connector 100 in host cavity 37 of butt joint, finish until two electric connector butt joints, at this moment, spring 7 is in the effect lower compression of dust cap 4; After the electric connector of butt joint is extracted, spring 7 release forces, dust cap 4 supports with limiting section 392 at the connecting rod 43 that the grafting direction of the effect lower edge of spring 7 electric connector 100 moves forward until this dust cap 4, and, this moment dust cap 4 the opening part that hides at host cavity 37 of lid 41.
Two fixing slots 54 that described dust cover 5 comprises the roof 51 of covering above insulating body 1 and shielding casing 3, extend and be held in two flanks 52 of insulating body 1 both sides downwards from roof 51 both sides, be recessed to form forward from the rear end of two flanks 52 respectively and extend to form to support two support divisions 55 in insulating body 1 bottom from the bending of the bottom of two flanks 52 respectively.Be formed with the opening 57 of the wall 36 that exposes shielding casing 3 between two support divisions 55.The wall 36 of shielding casing 3 contacts with circuit board 6 by this opening 57.
Described insulating body 1 outwards protrudes out and is formed with the holding block 16 that is held in the fixing slot 54.The rear end of described flank 52 is formed with the brace 56 of sealing fixing slot 54.This brace 56 outwards is bent to form the fixing chamber of fixing with holding block 16 561.
The base portion 11 of described insulating body 1 and adjutage 14 all are higher than the first wall 33 of shielding casing 3, and are enclosed by base portion 11, adjutage 14 and first wall 33 and to form a low-lying chamber 8.The roof 51 of described dust cover 5 hides above low-lying chamber 8.Dust cover 5 also comprises support arm 57 in roof 51 tears and extend to low-lying chamber 8 downwards.The first wall 33 that supports arm 57 and shielding casing 3 supports.
Described circuit board 6 is provided with the golden finger 61 that the weld part 22 with conducting terminal 2 electrically connects.Offer through hole 62 on the circuit board 6.The bottom of the base portion 11 of described insulating body 1 extends to form the fixed leg 17 that is housed in this through hole 62 downwards.The upper surface that also is provided with on the circuit board 6 from circuit board 6 is recessed to form the groove 63 that joins with the support division 55 with dust cover 5 downwards.
In sum: above-mentioned electric connector 100 is by arranging covering at the dust cover 5 in insulating body 1 and shielding casing 3 outsides, prevent that dust from entering in the electric connector 100 from the upper surface of electric connector 100, be installed on the insulating body 1 and hide at the opening part of host cavity 37 and the dust cap 4 that moves along the grafting direction of electric connector 100 by setting, prevent that dust from entering in the electric connector 100 in host cavity 37, so, prevent that from two different angles dust from entering in the electric connector 100 with dust cap 4 by dust cover 5, improved the dust reduction capability of electric connector 100.
Although be the example purpose, preferred implementation of the present utility model is disclosed, but those of ordinary skill in the art will recognize that under situation about not breaking away from by the disclosed scope and spirit of the present utility model of appending claims, various improvement, increase and replacement are possible.
Claims (9)
1. electric connector, comprise insulating body, be fixed on the conducting terminal on the described insulating body, cover the shielding casing of described conducting terminal, described shielding casing comprises the host cavity that extends along the grafting direction of electric connector, described insulating body comprises base portion, extend to form and be housed in hyoplastron in the described host cavity forward from described base portion, it is characterized in that: described electric connector comprises that also covering is at the dust cover in described insulating body and the shielding casing outside, be installed in the dust cap on the insulating body, described dust cap hide the opening part of described host cavity and in described host cavity the grafting direction along electric connector move.
2. electric connector according to claim 1, it is characterized in that: described insulating body also comprises the adjutage that extends to form before at least one side direction of described base portion, be formed with containing cavity in the described adjutage, described dust cap comprises the lid that is housed in the host cavity, is housed in the balance columns in the described containing cavity and the connecting rod that connects described lid and balance columns.
3. electric connector according to claim 2 is characterized in that: be provided with spring between described dust cap and the base portion, the end cover of described spring is on balance columns, and the other end supports on base portion.
4. electric connector according to claim 2, it is characterized in that: described adjutage is positioned at the outside of described shielding casing, offer the slit that passes and move along the grafting direction of electric connector for described connecting rod on the described shielding casing within it, described shielding casing is provided with the limiting section that the place ahead of being positioned at described slit moves forward with limiting rod.
5. electric connector according to claim 1, it is characterized in that: described insulating body outwards protrudes out and is formed with holding block, and described dust cover comprises roof, extends and be held in the flank of insulating body both sides from described roof both sides downwards, is recessed to form the fixing slot that holds described holding block forward from the rear end of described flank.
6. electric connector according to claim 5 is characterized in that: be formed with the brace of the described fixing slot of sealing on the described flank, described brace outwards be bent to form with the fixing fixing chamber of described holding block.
7. electric connector according to claim 5 is characterized in that: described dust cover also comprises from described roof and tears to support the arm that supports on shielding casing downwards.
8. electric connector according to claim 1, it is characterized in that: described insulating body also comprises the boss that extends to form forward from described base portion, described shielding casing has the retaining arm of projection in the described host cavity, and described retaining arm is positioned at the rear of described dust cap and supports front side at described boss.
9. electric connector according to claim 1, it is characterized in that: described shielding casing comprises second wall that contacts with a circuit board, described second wall has the convex tendon that protrudes out and contact with circuit board towards circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320231858 CN203193035U (en) | 2013-05-02 | 2013-05-02 | Electrical connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320231858 CN203193035U (en) | 2013-05-02 | 2013-05-02 | Electrical connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203193035U true CN203193035U (en) | 2013-09-11 |
Family
ID=49109865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320231858 Withdrawn - After Issue CN203193035U (en) | 2013-05-02 | 2013-05-02 | Electrical connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203193035U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280659A (en) * | 2013-05-02 | 2013-09-04 | 昆山嘉华电子有限公司 | Electric connector |
| CN108574175A (en) * | 2018-06-25 | 2018-09-25 | 北京小米移动软件有限公司 | Usb female seat and mobile terminal |
-
2013
- 2013-05-02 CN CN 201320231858 patent/CN203193035U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103280659A (en) * | 2013-05-02 | 2013-09-04 | 昆山嘉华电子有限公司 | Electric connector |
| CN108574175A (en) * | 2018-06-25 | 2018-09-25 | 北京小米移动软件有限公司 | Usb female seat and mobile terminal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130911 Effective date of abandoning: 20150610 |
|
| RGAV | Abandon patent right to avoid regrant |