CN201877647U - Short circuit prevention connector - Google Patents
Short circuit prevention connector Download PDFInfo
- Publication number
- CN201877647U CN201877647U CN2010205839180U CN201020583918U CN201877647U CN 201877647 U CN201877647 U CN 201877647U CN 2010205839180 U CN2010205839180 U CN 2010205839180U CN 201020583918 U CN201020583918 U CN 201020583918U CN 201877647 U CN201877647 U CN 201877647U
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- CN
- China
- Prior art keywords
- insulator
- contact
- housing
- face
- insulation body
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- 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.)
- Expired - Lifetime
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Abstract
The utility model relates to a short circuit prevention connector comprising a shell, wherein the shell is internally provided with contact elements; insulators are filled between the contact elements and the shell; the insulators and the contact elements are in split type; the insulators comprise an insertion surface insulator fixed at the front part of the shell close to an insertion opening, a tail part insulator fixed at the tail part of the shell, and a middle insulator slidably arranged in the middle of the shell; the contact elements comprise an insertion surface contract element, a middle contact element and a tail part element which are correspondingly and fixedly arranged in the insertion surface insulator, the middle insulator and the tail part insulator respectively, wherein the insertion surface contract element is always contacted and electrically connected with the middle contact element; the middle contact element is electrically connected or disconnected from the tail part insulator along with the sliding of the middle insulator relative to the shell; a push rod which is protruded out of the surface of the insertion surface insulator and drives the middle insulator to move backwards is fixedly arranged on the middle insulator; and the rear end surface of the middle insulator is a reset elastic piece for driving the middle insulator to move forwards for reset.
Description
Technical field
The utility model relates to a kind of connector that prevents the mutual short circuit of each contact in the connector.
Background technology
A kind of stay cord umbilical connector of the prior art, this stay cord umbilical connector comprises housing, slide to be arranged with and pull housing in the outside of housing, the rear end that pulls housing is connected with stay cord, housing and pull and be provided with metal threaded opening sleeve between the housing, metal threaded opening sleeve axially only moves and is arranged on the housing, and metal threaded opening sleeve can rotate with respect to housing but can not move axially with respect to housing.Metal threaded opening sleeve is positioned at the front end of connector and intermateable connector grafting, have the annular space that holds adaptive housing front end between the leading portion of metal threaded opening sleeve and the housing, the leading portion of metal threaded opening sleeve has and is used for the internal thread that the external screw thread with the intermateable connector front end locks.The front end that screw thread is set of metal threaded opening sleeve has its front end is divided into the overhang U type groove of pawl of plurality of elastic, the number of U type groove is generally 12, the overhang number of pawl of elasticity also is 12, the existence of U type groove makes the leading portion of metal openings cover have elasticity shape, can radially actuate, each elasticity pawl that overhangs all outwards opens, the leading portion of whole metal threaded opening sleeve is enlarging taper forward, pull housing front port place and have the diameter of bore extruding bulge loop consistent with the diameter of metal threaded opening sleeve rear end, the extruding bulge loop is later, and to pull housing endoporus section diameter bigger.Pawl can overhang each elasticity of compression when the endoporus of the extruding bulge loop that pulls housing cooperates with the outer peripheral face at the front end place of metal threaded opening sleeve, make it be punctured into normal cylindricality, internal orifice, the screw thread of metal threaded opening sleeve are cooperated with the external screw thread of intermateable connector, when connector is separated with intermateable connector, make to the application of force on the stay cord and to move after pulling housing, the leading portion of metal threaded opening sleeve opens, and the front end that makes intermateable connector is by deviating from the separation of two connectors in the metal threaded opening sleeve.Pull also to be provided with between housing and the housing to make and pull the back-moving spring that housing reach resets, pull and have the front end position limiting structure between housing and the housing, pull housing and realize that by back-moving spring its rear end on housing is spacing.The use of this stay cord umbilical connector is very convenient, generally be applied in the occasion that connector and intermateable connector need come off automatically, in some environment, can there be some conduction gas or materials of other conductions, when the stay cord umbilical connector is applied in these occasions, the face that plugs together of gaseous conductor meeting contact-connection assembly for electric, a plurality of contacts that are provided with on the scene can be exposed in the gaseous conductor simultaneously, cause each contact short circuit, cause serious consequence.
The utility model content
The purpose of this utility model is to provide a kind of anti-short circuit connector, is applied in when having in the gaseous conductor to solve in the prior art when connector, and a plurality of contacts of connector are owing to being exposed to the problem of short-circuit that gaseous conductor takes place.
For achieving the above object, the utility model adopts following technical scheme: a kind of anti-short circuit connector, comprise housing, be provided with contact in the housing, be filled with insulator between contact and the housing, described insulator and contact are split type, insulator comprises the face that the plugs together insulator of the front portion that is fixed on the close grafting opening of housing, be fixed on the afterbody insulator of housing afterbody and be slidingly arranged in the intermediate insulation body at housing middle part, contact comprises that correspondence is installed in respectively and plugs together the face insulator, the face that plugs together contact in intermediate insulation body and the afterbody insulator, middle contact and afterbody contact, plugging together the face contact contacts all the time with middle contact and is electrically connected, middle contact is electrically connected with respect to the slip of housing and afterbody insulator with the intermediate insulation body or disconnects, be fixed with on the intermediate insulation body and protrude from the push rod that moves behind the driving intermediate insulation body that plugs together face insulator front surface, the rear end face place of intermediate insulation body is provided with and drives the return springs that the reach of intermediate insulation body resets.
Described return springs is a spring, and the rear end of spring cooperates with the step surface pushing of housing endoporus.
Jump ring packing ring before being provided with between described spring and the intermediate insulation body pushes by back jump ring packing ring between the step surface of spring and housing endoporus and cooperates.
In the middle of described contact with plug together the face contact and form the contact pin jack assembly, middle contact and afterbody contact are also formed the contact pin jack assembly.
Described push rod and plug together between the face insulator and be provided with sealing ring.
The face contact that plugs together of the present utility model is fixed on the front end of housing by plugging together the face insulator, the afterbody contact is fixed on the tail end of housing by the afterbody insulator, middle contact slides in housing with the intermediate insulation body, plugging together the face contact contacts all the time with middle contact and is electrically connected, middle contact and afterbody contact are electrically connected along with intermediate insulation body mobile or disconnect, be fixed with on the intermediate insulation body and protrude from the push rod that moves behind the driving intermediate insulation body that plugs together face insulator front surface, the rear end face place of intermediate insulation body is provided with and drives the return springs that the reach of intermediate insulation body resets, before connector and intermateable connector plug together, under the effect of return springs, the front end of intermediate insulation body with plug together face insulator roof pressure, at this moment, middle contact separates with the afterbody contact, when connector and intermateable connector plug together, the insulator meeting roof pressure of intermateable connector protrudes from the push rod of the front surface that plugs together the face insulator, push rod promotes to move behind the intermediate insulation body, middle contact contacts with the afterbody contact and is electrically connected, realize the function of electric connector, when connector separates with intermateable connector, the face that plugs together of intermateable connector is the roof pressure push rod no longer, under the effect of back-moving spring, middle contact separates with the afterbody contact, even if gaseous conductor touches the face that plugs together of connector, make and respectively plug together face contact short circuit, can not make the short circuit that is electrically connected with the afterbody contact yet, guarantee that circuit is not damaged, simultaneously, the utility model realizes that the process of anti-short circuit is full-automatic, do not need manual operation, it is convenient to use.
Description of drawings
Fig. 1 is the front view of the utility model embodiment 1;
Fig. 2 is the structural representation before the utility model embodiment and intermateable connector plug together;
Fig. 3 is the structural representation that plugs together the face insulator among Fig. 1;
Fig. 4 is the structural representation of intermediate insulation body among Fig. 1;
Fig. 5 is the structural representation of afterbody insulator among Fig. 1;
Fig. 6 is the structural representation that plugs together the embodiment 2 of face insulator of the present utility model;
Fig. 7 is the structural representation of the embodiment 2 of intermediate insulation body of the present utility model;
Fig. 8 is the structural representation of the embodiment 2 of afterbody insulator of the present utility model.
Embodiment
A kind of embodiment 1 of anti-short circuit connector, in Fig. 1 ~ Fig. 5, should comprise housing 7 by anti-short circuit connector, the front portion of the close grafting opening of housing 7 endoporus is set with and plugs together face insulator 8, plug together to be provided with in the face insulator and plug together face contact 12, plug together face contact 12 and be jack contact, the rear portion of housing 7 endoporus is set with afterbody insulator 2, be provided with afterbody contact 14 in the afterbody insulator 2, afterbody contact 14 also is a jack contact, slide and be provided with intermediate insulation body 1 in the middle part of housing 7 endoporus, contact 13 in the middle of intermediate insulation body 1 internal fixation is provided with, and middle contact 13 is a contact pin contacting piece.Middle contact 13 with plug together face contact 12 and contact all the time and be electrically connected, middle contact 13 is electrically connected along with the slip of intermediate insulation body 1 in housing 7 with afterbody contact 14 or disconnects, intermediate insulation body 1 internal fixation is provided with push rod 10, and push rod 10 passes and protrude from the front surface that plugs together face insulator 8 by plugging together in the face insulator 8.Plug together face insulator 8 and be provided with the endoporus 15 that passes for push rod, the hole wall that plugs together the endoporus 15 of face insulator 8 is provided with sealing ring 11, and sealing ring 11 cooperates with the outer peripheral face slipper seal of push rod 10.Fit on the rear end face of intermediate insulation body 1 and be provided with preceding jump ring packing ring 6, be provided with back-moving spring 4 after the preceding jump ring packing ring 6, the front end roof pressure of back-moving spring 4 is on preceding jump ring packing ring 6, the rear end roof pressure is on back jump ring packing ring 3, and the step surface roof pressure towards front end that is provided with in back jump ring packing ring 3 and housing 7 endoporus cooperates.
When connector is in free state, under the effect of back-moving spring 4, intermediate insulation body 1 with plug together face insulator 8 roof pressures and cooperate, at this moment in the middle of contact 13 can and afterbody contact 14 disconnect.After connector and intermateable connector plug together, the insulator of intermateable connector with plug together face insulator contact matching push rod 10 pressed backward, push rod 10 drives and moves after the intermediate insulation bodies overcome back-moving spring, at this moment the centre contact can contact with the afterbody insulator and be electrically connected.Realize the signal or the circuit communication of two connectors.
Slide to be arranged with and pull housing 9 in the outside of housing 7, the rear end that pulls housing 9 is connected with stay cord 16, housing 7 and pull and be provided with metal threaded opening sleeve 17 between the housing 9, metal threaded opening sleeve 17 axially only moves and is arranged on the housing 7, and metal threaded opening sleeve 17 can rotate with respect to housing 7 but can not move axially with respect to housing 7.Metal threaded opening 17 covers are positioned at the front end of connector, have the annular space that holds adaptive housing front end between the leading portion of metal threaded opening sleeve 17 and the housing 7, the leading portion of metal threaded opening sleeve 17 has and is used for the internal thread that the external screw thread with the intermateable connector front end locks.The front end that screw thread is set of metal threaded opening sleeve 17 has its front end is divided into the overhang U type groove of pawl of plurality of elastic, the number of U type groove is generally 12, the overhang number of pawl of elasticity also is 12, the existence of U type groove makes the leading portion of metal openings cover 17 have elasticity shape, can radially actuate. each elasticity pawl that overhangs all outwards opens, the leading portion of whole metal threaded opening sleeve 17 is enlarging taper forward, pull housing 9 front port places and have the consistent extruding bulge loop of diameter of diameter of bore and metal threaded opening sleeve 17 rear ends, the extruding bulge loop is later, and to pull housing endoporus section diameter bigger.Pawl can overhang each elasticity of compression when the endoporus of the extruding bulge loop that pulls housing 9 cooperates with the outer peripheral face at the front end place of metal threaded opening sleeve, make it be punctured into normal cylindricality, make the internal orifice of metal threaded opening sleeve, screw thread cooperates with the external screw thread of intermateable connector, when connector is separated with intermateable connector, make to the application of force on the stay cord and to move after pulling housing, after pulling housing drive housing and whole connector, the front end of metal threaded opening sleeve can be subjected to from the intermateable connector squeeze pressure, the leading portion of metal threaded opening sleeve can open, the front end that makes intermateable connector is by deviating from the metal threaded opening sleeve, two connectors pull separation.In the separation process of whole connector, do not need manual operation.Simultaneously, afterbody contact and middle contact be electrically connected with separation process in do not need manual intervention yet, pull connector and mix this anti-short-circuit structure and can when realizing the separating automatically of connector and intermateable connector, realize anti-short-circuit function automatically.
A kind of embodiment 2 of anti-short circuit connector, in Fig. 6 ~ 8, the difference of present embodiment and embodiment 1 is that the face that the plugs together contact 12 of present embodiment is contact pin contacting piece, and middle contact 13 is a jack contact, and afterbody contact 14 is a contact pin contacting piece.
The front end roof pressure of above embodiment back-moving spring is on the preceding jump ring packing ring, the rear end roof pressure is on the back jump ring packing ring, also forward and backward jump ring packing ring can be set, the direct roof pressure of the front end of back-moving spring is plugging together on the face insulator, and the direct level pressure in the rear end of back-moving spring is on the step surface of housing.
The rear end of the back-moving spring of above embodiment cooperates with the step surface pushing of housing by back jump ring packing ring, also can directly cooperate with the front end face pushing of afterbody insulator.
The middle contact of above embodiment and plug together face contact combination contact pin jack assembly, also form the contact pin jack assembly with the afterbody contact, but also the face contact of plugging together can be arranged to the contact of elastic telescopic, guarantee when middle contact moves, can guarantee to contact with the face contact of plugging together all the time to be electrically connected, or will plug together the contact that face contact and middle contact are designed to elastic telescopic simultaneously.
Claims (5)
1. anti-short circuit connector, comprise housing, be provided with contact in the housing, be filled with insulator between contact and the housing, it is characterized in that: described insulator and contact are split type, insulator comprises the face that the plugs together insulator of the front portion that is fixed on the close grafting opening of housing, be fixed on the afterbody insulator of housing afterbody and be slidingly arranged in the intermediate insulation body at housing middle part, contact comprises that correspondence is installed in respectively and plugs together the face insulator, the face that plugs together contact in intermediate insulation body and the afterbody insulator, middle contact and afterbody contact, plugging together the face contact contacts all the time with middle contact and is electrically connected, middle contact is electrically connected with respect to the slip of housing and afterbody insulator with the intermediate insulation body or disconnects, be fixed with on the intermediate insulation body and protrude from the push rod that moves behind the driving intermediate insulation body that plugs together face insulator front surface, the rear end face place of intermediate insulation body is provided with and drives the return springs that the reach of intermediate insulation body resets.
2. anti-short circuit connector according to claim 1 is characterized in that: described return springs is a spring, and the rear end of spring cooperates with the step surface pushing of housing endoporus.
3. anti-short circuit connector according to claim 2 is characterized in that: jump ring packing ring before being provided with between described spring and the intermediate insulation body pushes by back jump ring packing ring between the step surface of spring and housing endoporus and cooperates.
4. according to claim 1 or 2 or 3 described anti-short circuit connectors, it is characterized in that: in the middle of described contact with plug together the face contact and form the contact pin jack assembly, middle contact and afterbody contact are also formed the contact pin jack assembly.
5. anti-short circuit connector according to claim 4 is characterized in that: described push rod and plug together between the face insulator and be provided with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205839180U CN201877647U (en) | 2010-10-30 | 2010-10-30 | Short circuit prevention connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205839180U CN201877647U (en) | 2010-10-30 | 2010-10-30 | Short circuit prevention connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201877647U true CN201877647U (en) | 2011-06-22 |
Family
ID=44165556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205839180U Expired - Lifetime CN201877647U (en) | 2010-10-30 | 2010-10-30 | Short circuit prevention connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201877647U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101984525A (en) * | 2010-10-30 | 2011-03-09 | 中航光电科技股份有限公司 | Short-circuit proof connector |
-
2010
- 2010-10-30 CN CN2010205839180U patent/CN201877647U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101984525A (en) * | 2010-10-30 | 2011-03-09 | 中航光电科技股份有限公司 | Short-circuit proof connector |
| CN101984525B (en) * | 2010-10-30 | 2012-08-29 | 中航光电科技股份有限公司 | Short-circuit proof connector |
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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: 20110622 Effective date of abandoning: 20120829 |