CN104319523A - Electric connector with function of short-circuit protection - Google Patents
Electric connector with function of short-circuit protection Download PDFInfo
- Publication number
- CN104319523A CN104319523A CN201410218156.7A CN201410218156A CN104319523A CN 104319523 A CN104319523 A CN 104319523A CN 201410218156 A CN201410218156 A CN 201410218156A CN 104319523 A CN104319523 A CN 104319523A
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- CN
- China
- Prior art keywords
- contact
- printed board
- short
- insulator
- circuit
- 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.)
- Granted
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R29/00—Coupling parts for selective co-operation with a counterpart in different ways to establish different circuits, e.g. for voltage selection, for series-parallel selection, programmable connectors
-
- 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
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
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- Engineering & Computer Science (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
The invention relates to an electric connector with a function of short-circuit protection, and the connector comprises a short-circuit mechanism. The short-circuit mechanism comprises an insulator and contact pieces. The insulator is provided with contact piece installation holes which are corresponding to the contact pieces. The insulator is also provided with a printed board which is provided with at least two printed board contact parts. The printed board is also provided with printed board circuits which are respectively connected with the corresponding printed board contact parts. Each contact piece is provided with a contact piece contact part which is in electrical contact connection with the corresponding printed board contact part. Each contact piece is provided with a short-circuit position and a short-circuit elimination position, wherein the short-circuit positions are used for enabling the contact piece contact parts to be in electrical contact connection with the corresponding printed board contact parts, and the short-circuit elimination positions are pushed by adaptive contact pieces of an adapter connector to move backwards from the short-circuit positions until the contact piece contact parts are separated from the corresponding printed board contact parts. Reset springs are disposed between the printed board or the insulator and the corresponding contact pieces. The electric connector provided by the invention solves the problems in the prior art that a short-circuit mechanism is complex in structure and the short circuit between specific contact pieces cannot be achieved.
Description
Technical field
The present invention relates to the electric connector with short circuit defencive function.
Background technology
In some Special use application requirements, electric connector is needed to possess from short-circuit function, to strengthen the fail safe of system, from short-circuit function refer to when connector, intermateable connector do not plug together require wherein part or all contacts be in short circuit state, require to remove short circuit after connector, intermateable connector plug together, connector, intermateable connector can signal transmissions normally.The existing this electric connector with short circuit defencive function " has the connector, 4-pin of short circuit defencive function " disclosed in Chinese patent CN202550146U, this connector, 4-pin comprises housing and is arranged at the short-circuit mechanism on housing, short-circuit mechanism comprises insulator, insulator is provided with four contact cavities, the contact that front end is inserted terminal is provided with in each contact cavity, insulator is provided with between two of often pair of contact contacts the contact that a front end extends on insulator front end face and is installed with hole, contact to be installed with in hole guiding and to slide and be provided with the contact of rear end by stage clip and insulator resilient engagement, the top, front end of contact is located in corresponding pair of contacts.When connector and the non-grafting of intermateable connector, by stage clip effect, contact is by corresponding pair of contacts short circuit, when connector and intermateable connector grafting put in place, push rod on intermateable connector is installed with in hole by corresponding contact and inserts and contact is pushed up pressure backward, so corresponding pair of contacts just removes short circuit, is able to normal signal transmission.Existing this electric connector Problems existing is: realize the short circuit between two contacts by the contact be arranged between two contacts, the setting of contact not only increases the complex structure degree of connector, and make short-circuit mechanism take larger radial dimension space, whole connector is caused all can not miniaturizedly to make, the assembly difficulty of each contact is larger in addition, be exactly that contact can only realize adjacent two contact short circuits in addition, and specific two contact short circuits can not be realized.
Summary of the invention
The object of the present invention is to provide a kind of electric connector with short circuit defencive function, to solve short-circuit mechanism complex structure of the prior art and the problem of short circuit between specific contact can not be realized.
In order to solve the problem, technical scheme of the present invention is:
A kind of electric connector with short circuit defencive function, comprise the short-circuit mechanism of housing and upper setting thereof, short-circuit mechanism comprises insulator and at least two front ends are the contact of inserted terminal, insulator is provided with the contact cavity corresponding with each contact, each contact respectively guiding movement is assemblied in corresponding contact cavity, insulator is also provided with printed board, printed board is provided with at least two printed board contact sites, printed board is also provided with the printed circuit board connecting corresponding printed board contact site, each contact is provided with and is respectively used to contact with corresponding printed board contact site the contact contact site be electrically connected, each contact all has the short circuit position that contact contact site contacted with corresponding printed board contact site be electrically connected and is adapted the mating contact pushing tow of connector and is moved by short circuit position until the short circuit that contact contact site and corresponding printed board contact site are thrown off removes position backward, printed board or be provided with between insulator with corresponding contact forces contact not by the back-moving spring being held in short circuit position during mating contact pushing tow.
Described printed board is provided with the contact perforation that at least two run through the forward and backward plate face of printed board along the longitudinal direction, each contact includes the annular boss being arranged in contact body in the perforation of corresponding contact and the external diameter be arranged on contact body and being greater than corresponding contact piercing aperture, annular boss is positioned at the rear side of corresponding contact perforation, described printed board contact site is arranged at aperture, the rear end Yan Chu of corresponding contact perforation, and described contact contact site is made up of the front end face of described annular boss.
Described contact body is provided with step surface installation step backwards in the front side that corresponding contact is bored a hole, between the front face that described spring top is located at described printed board and step surface.
The hole wall of contact cavity is provided with for contact spacing coordinate with Restricted Contact part move forward the limit front limit structure and for coordinating with contact is spacing the rear position limiting structure moving the limit with Restricted Contact part backwards.
Described insulator comprises the front insulator part of front and back split setting and rear insulator part, described printed board sandwiched is fixed between forward and backward insulator part, contact cavity comprises the front contact cavity part be arranged on front insulated part and the rear contact cavity part be arranged in rear insulator part, described front limit vibrational power flow is in front contact cavity part, and described rear position limiting structure is arranged in rear contact cavity part.
Beneficial effect of the present invention is: each contact respectively guiding movement be assemblied in corresponding contact cavity, when connector and the non-grafting of intermateable connector, by action of reset spring, contact is in short circuit position, contact contact site on each contact contacts with printed board contact site corresponding in printed board respectively and is electrically connected, and corresponding printed board contact site is electrically connected the short circuit realizing corresponding contact by the printed circuit board in printed board; When connector and intermateable connector grafting, the contact grafting of the mating contact on intermateable connector and this connector, mating contact moves to short circuit and removes position after making contact to contact one thrusting action power backward, now contact contact site and printed board contact site are thrown off, and connector, intermateable connector can signal transmissions normally.Without the need to arranging contact in this short-circuit mechanism, more without the need to arranging push rod on intermateable connector, reduce the complex structure degree of connector and intermateable connector, simultaneously because the printed circuit in printed board can by any two or more printed board contact site electrical connection, therefore this short-circuit mechanism can realize the short circuit between specific contact.
Accompanying drawing explanation
Fig. 1 is the structural representation of the short-circuit mechanism in an embodiment of electric connector in the present invention;
Fig. 2 is schematic diagram when contact is in shorting contact position in Fig. 1.
Embodiment
A kind of embodiment with the connector of short circuit defencive function is as shown in Figure 1 and 2: the short-circuit mechanism comprising housing (not shown) and upper setting thereof, short-circuit mechanism comprises insulator and multiple front end is the contact of inserted terminal, in the present embodiment, contact is jack contact, insulator is provided with the contact cavity corresponding with each contact, insulator comprises the front insulator part 2 of split setting and rear insulator part 5, contact cavity comprises the front contact cavity part be arranged in front insulator part 2 and the rear contact cavity part be arranged in rear insulator part 5.Each contact respectively guiding movement is assemblied in corresponding contact cavity, front contact cavity part is provided with for coordinating with contact is spacing the front limit structure 1 moving the limit with Restricted Contact part forward, front limit structure is step surface front limit step backwards; Rear contact cavity part is provided with for coordinating with contact is spacing the rear position limiting structure 4 moving the limit with Restricted Contact part backwards, rear position limiting structure 4 is step surface rear limited step forward.Before, between rear insulator part, sandwiched is fixed with printed board 7, printed board 7 is provided with multiple run through printed board along the longitudinal direction before, the contact perforation in rear plate face, each contact includes and is arranged in contact body 9 in the perforation of corresponding contact and the external diameter be arranged on contact body is greater than the annular boss 8 of corresponding contact piercing aperture, aperture, the rear end Yan Chu of each contact perforation is provided with printed board contact site, printed board contact site is made up of pad, printed board is provided with the printed circuit board connecting corresponding printed board contact site, printed circuit board is made up of the Copper Foil being attached in printed board (or plating the layers of copper be located in printed board), the front end face of the annular boss 8 on each contact body constitutes for contacting with corresponding printed board contact site the contact contact site be electrically connected, for rear end face spacing cooperation the with annular boss 8, Restricted Contact part moves the limit backwards to rear limited step 4.Each contact all has the short circuit position that contact contact site contacted with corresponding printed board contact site be electrically connected and is adapted the mating contact pushing tow of connector and is moved backward by short circuit position until contact contact site removes position with the short circuit that corresponding printed board contact site is thrown off.Each contact body is provided with step surface installation step 3 backwards in the front side that corresponding contact is bored a hole, pushes up to be provided with between the front face and the step surface of installation step 3 of printed board and force contact not by the back-moving spring 6 being held in short circuit position during mating contact pushing tow.
When this connector is not with intermateable connector grafting, back-moving spring is to contact one active force forward, by this active force, contact is in short circuit working position (as shown in Figure 1), the front end face of annular boss is tightly attached on corresponding pad, when this connector and intermateable connector grafting, contact pin contacting piece on intermateable connector can move to short circuit releasing position (as shown in Figure 2) by the pushing tow jack contact in the present invention backwards, annular boss now on contact body and the pad in printed board are thrown off, connector and intermateable connector can signal transmissions normally.Printed circuit in printed board can realize the electrical connection between any printed board contact site, that is the short circuit between any contact can be realized, the use of printed board simultaneously can not increase the radial dimension of connector, the short circuit function between any contact can be realized after general electric connector is simply transformed, the cost of short-circuit mechanism is low, assembling is simple, short circuit is reliable.
In other embodiment of this connector: contact also can be contact pin contacting piece, the number of contact can also be two, three, four or other number, forward and backward insulator can also be wholely set, now can arrange on contact cavity and be used for coordinating with contact is spacing the front limit structure moving the limit with Restricted Contact part forward, printed board is fixedly arranged on the rearward end of insulator, sets firmly the rear position limiting structure moving the limit for Restricted Contact part backwards in the rear end of printed board or the rear end of insulator, contact contact site also can can't help annular boss front end face form, such as contact contact site is made up of the outer peripheral face of annular boss, now printed board contact site is made up of the metallic sheath on the hole wall being fixedly arranged on contact perforation, when contact is in short circuit position, the outer peripheral face of annular boss contacts with the inner hole wall of metallic sheath and is electrically connected, when connector and intermateable connector grafting, move after contact in this connector of mating contact pushing tow, annular boss realizes the disengagement of annular boss and printed board contact site by shifting out in the endoporus of metallic sheath, each contact is in short circuit and removes position, certainly when needing to utilize the outer peripheral face of contact to contact with printed board contact site, annular boss also can not be established, such as contact body is a multidiameter structure with path section and large footpath section, path section is positioned at the front side of large footpath section, when contact is in short circuit position, the outer peripheral face of large footpath section contacts with printed board contact site and is electrically connected, when moving to short circuit after contact and removing position, the path section of contact is corresponding with printed board contact site, and there is between the outer peripheral face of path section and printed board contact site certain interval, so the short circuit between each contact is removed, back-moving spring can also push up to be located between insulator and installation step or afterwards between position limiting structure and the rear end face of annular boss, printed board also can be placed in the side of contact, now need not arrange contact perforation in printed board.
Claims (5)
1. one kind has the electric connector of short circuit defencive function, comprise the short-circuit mechanism of housing and upper setting thereof, short-circuit mechanism comprises insulator and at least two front ends are the contact of inserted terminal, insulator is provided with the contact cavity corresponding with each contact, it is characterized in that: each contact respectively guiding movement is assemblied in corresponding contact cavity, insulator is also provided with printed board, printed board is provided with at least two printed board contact sites, printed board is also provided with the printed circuit board connecting corresponding printed board contact site, each contact is provided with and is respectively used to contact with corresponding printed board contact site the contact contact site be electrically connected, each contact all has the short circuit position that contact contact site contacted with corresponding printed board contact site be electrically connected and is adapted the mating contact pushing tow of connector and is moved by short circuit position until the short circuit that contact contact site and corresponding printed board contact site are thrown off removes position backward, printed board or be provided with between insulator with corresponding contact forces contact not by the back-moving spring being held in short circuit position during mating contact pushing tow.
2. electric connector according to claim 1, it is characterized in that: described printed board is provided with at least two run through printed board along the longitudinal direction before, the contact perforation in rear plate face, each contact includes the annular boss being arranged in contact body in the perforation of corresponding contact and the external diameter be arranged on contact body and being greater than corresponding contact piercing aperture, annular boss is positioned at the rear side of corresponding contact perforation, described printed board contact site is arranged at aperture, the rear end Yan Chu of corresponding contact perforation, described contact contact site is made up of the front end face of described annular boss.
3. electric connector according to claim 1, is characterized in that: described contact body is provided with step surface installation step backwards in the front side that corresponding contact is bored a hole, between the front face that described spring top is located at described printed board and step surface.
4. the electric connector according to claim 1 ~ 3 any one, is characterized in that: the hole wall of contact cavity is provided with for contact spacing coordinate with Restricted Contact part move forward the limit front limit structure and for coordinating with contact is spacing the rear position limiting structure moving the limit with Restricted Contact part backwards.
5. electric connector according to claim 4, it is characterized in that: described insulator comprises the front insulator part of front and back split setting and rear insulator part, described printed board sandwiched is fixed between forward and backward insulator part, contact cavity comprises the front contact cavity part be arranged on front insulated part and the rear contact cavity part be arranged in rear insulator part, described front limit vibrational power flow is in front contact cavity part, and described rear position limiting structure is arranged in rear contact cavity part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410218156.7A CN104319523B (en) | 2014-05-22 | 2014-05-22 | A kind of electric connector with short circuit defencive function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410218156.7A CN104319523B (en) | 2014-05-22 | 2014-05-22 | A kind of electric connector with short circuit defencive function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104319523A true CN104319523A (en) | 2015-01-28 |
| CN104319523B CN104319523B (en) | 2017-01-04 |
Family
ID=52374724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410218156.7A Active CN104319523B (en) | 2014-05-22 | 2014-05-22 | A kind of electric connector with short circuit defencive function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104319523B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3512043A (en) * | 1967-11-09 | 1970-05-12 | Asea Ab | Means for short-circuiting the secondary circuit of a current transformer |
| US20030040228A1 (en) * | 2001-08-27 | 2003-02-27 | Carlo Finzer | Electrical connector |
| CN2731763Y (en) * | 2004-07-28 | 2005-10-05 | 陕西思普电子技术开发有限公司 | Electrical connection socket having short-circuit protection |
| CN2786823Y (en) * | 2005-03-03 | 2006-06-07 | 中国电子科技集团公司第二十三研究所 | Multi-core self-short circuit connector |
| CN101174748A (en) * | 2006-10-31 | 2008-05-07 | 卡特彼勒公司 | Shorting connector |
-
2014
- 2014-05-22 CN CN201410218156.7A patent/CN104319523B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3512043A (en) * | 1967-11-09 | 1970-05-12 | Asea Ab | Means for short-circuiting the secondary circuit of a current transformer |
| US20030040228A1 (en) * | 2001-08-27 | 2003-02-27 | Carlo Finzer | Electrical connector |
| CN2731763Y (en) * | 2004-07-28 | 2005-10-05 | 陕西思普电子技术开发有限公司 | Electrical connection socket having short-circuit protection |
| CN2786823Y (en) * | 2005-03-03 | 2006-06-07 | 中国电子科技集团公司第二十三研究所 | Multi-core self-short circuit connector |
| CN101174748A (en) * | 2006-10-31 | 2008-05-07 | 卡特彼勒公司 | Shorting connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104319523B (en) | 2017-01-04 |
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| C14 | Grant of patent or utility model | ||
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