CN206506080U - The connector of creep age distance can be increased - Google Patents
The connector of creep age distance can be increased Download PDFInfo
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- CN206506080U CN206506080U CN201720117954.XU CN201720117954U CN206506080U CN 206506080 U CN206506080 U CN 206506080U CN 201720117954 U CN201720117954 U CN 201720117954U CN 206506080 U CN206506080 U CN 206506080U
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- plastic housing
- lock nut
- contact pin
- connector
- limit rib
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Abstract
The utility model is related to a kind of connector, especially a kind of technical field that can increase the connector of creep age distance, belong to solar energy connector.The technical scheme provided according to the utility model, it is described to increase the connector of creep age distance, including plastic housing and the lock nut for being installed on the plastic housing head end；The contact pin jack inserted in the plastic housing provided with some permission contact pins, contact pin is installed in plastic housing by inserting after contact pin jack；Be additionally provided with the tail end end of the plastic housing it is some be used for increase the plastic housing end block of creep age distance, the adjacent plastic housing end block is distributed in the both sides of contact pin, and line end dividing plate is additionally provided with the plastic housing end block.The utility model can increase creep age distance, improve the stability and reliability of solar energy connector.
Description
Technical field
The utility model is related to a kind of connector, especially a kind of to increase the connector of creep age distance, belongs to solar energy
The technical field of connector.
Background technology
Solar energy AC connector is mainly used in photovoltaic DC-to-AC converter, and electric energy, which will export to use, must just associated components work
For transport vehicle, photovoltaic system is that transmission electric current, safeguard protection are played between inverter and load device with AC connector
The interface unit of effect.Solar energy connector needs outer protection shell to prevent the external material such as dust and aqueous vapor from connecting solar energy
The destruction of device is connect, but current solar energy connector creep age distance is shorter, is easily caused the damage of solar energy connector so that too
Stability and reliability in positive energy connector use is relatively low.
The content of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art to increase the company of creep age distance there is provided a kind of
Junctor, its compact conformation can increase creep age distance, improve the stability and reliability of solar energy connector.
The technical scheme provided according to the utility model, it is described to increase the connector of creep age distance, including plastic housing and
It is installed on the lock nut of the plastic housing head end；The contact pin jack inserted in the plastic housing provided with some permission contact pins, contact pin is by inserting
Enter and be installed on after contact pin jack in plastic housing；
It is additionally provided with the tail end end of the plastic housing some for increasing the plastic housing end block of creep age distance, the adjacent modeling
Shell end block is distributed in the both sides of contact pin, and line end dividing plate is additionally provided with the plastic housing end block.
Shell is provided with the tail end of the plastic housing, one end of shell and the tail end of plastic housing are fastenedly connected, the other end of housing
Interior to be provided with sealing-plug and tension device, the sealing-plug and tension device are locked in shell by nut.
The line end plastic housing confined planes for setting and being adapted to contact pin hangnail in contact pin hangnail, plastic housing are provided with the contact pin.
Plastic housing ring is convexly equipped with the plastic housing, set at the outer ring edge of the plastic housing ring some plastic housing stopper slots and
Plastic housing limit rib, the plastic housing stopper slot, plastic housing limit rib are in be spaced apart on plastic housing ring；
Bottom in lock nut is provided with some lock nut limit ribs being adapted to plastic housing stopper slot, plastic housing limit rib, lock nut limit
Position muscle is convexly equipped on lock nut inwall；
And if only if when lock nut limit rib is aligned completely with the plastic housing stopper slot on plastic housing ring, and lock nut could be installed on to modeling
The head end of shell；
After lock nut is installed in plastic housing, lock nut limit rib and the plastic housing stopper slot pair on plastic housing ring of and if only if lock nut
On time, the lock nut for being installed on plastic housing head end could be pulled open separation from plastic housing.
Top in the lock nut is convexly equipped with symmetrical lock nut fixed block.
Advantage of the present utility model：Some plastic housing end blocks are provided with the tail end of plastic housing, plastic housing end block is located at the both sides of contact pin,
Line end dividing plate is additionally provided with plastic housing end block, so as to increase electric clearance and creep age distance, meanwhile, also it is avoided that and is utilizing slotting
The short-circuit conditions produced when pin is electrically connected；Set in plastic housing and plastic housing stopper slot and plastic housing are set on plastic housing ring, plastic housing ring
Lock nut limit rib is set in limit rib, lock nut, and and if only if, and lock nut limit rib is aligned completely with the plastic housing stopper slot on plastic housing ring
When, lock nut can be installed on to the head end of plastic housing；After lock nut is installed in plastic housing, lock nut limit rib and the modeling of and if only if lock nut
When plastic housing stopper slot on girdle is aligned, the lock nut for being installed on plastic housing head end could be pulled open separation from plastic housing, lock can be realized
The fast assembling-disassembling of cap and connector, improves the installation of lock nut with changing efficiency, safe and reliable.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of the utility model plastic housing.
Fig. 3 is the tail end schematic diagram of the utility model plastic housing.
Fig. 4 is the explosive view of the utility model shell.
Fig. 5 is the schematic diagram that the utility model lock nut is installed on plastic housing head end.
Fig. 6 is the stereogram of the utility model lock nut.
Fig. 7 is the structural representation of the utility model lock nut.
Description of reference numerals：1- shells, 2- lock nuts, 3- nuts, 4- plastic housings ring, 5- contact pin jacks, 6- lock nuts fixed block, 7-
Sealing-plug, 8- tensions device, 9- plastic housings, 10- stress relief holes, 11- plastic housings stopper slot, 12- plastic housings limit rib, 13- plastic housings screw thread,
14- plastic housings end block, 15- lock nuts limit rib, 16- contact pins and 17- line end dividing plates.
Embodiment
With reference to specific drawings and examples, the utility model is described in further detail.
：In order to be able to increase creep age distance, improve solar energy connector stability and can
By property, the utility model includes plastic housing 9 and is installed on the lock nut 2 of the head end of plastic housing 9；Allow in the modeling 9 provided with some
The contact pin jack 5 that contact pin 16 is inserted, contact pin 16 is installed in plastic housing 9 by inserting after contact pin jack 5；
Be additionally provided with the tail end end of the plastic housing 9 it is some be used for increase the plastic housing end block 14 of creep age distance, it is described adjacent
Plastic housing end block 14 be distributed in the both sides of contact pin 16, be additionally provided with line end dividing plate 17 on the plastic housing end block 14.
Specifically, the quantity of contact pin 16 can be selected as needed in plastic housing 9, specially those skilled in the art institute
Know, here is omitted.Contact pin 16 is in shaft-like or column.Contact pin hangnail, the contact pin hangnail are provided with the contact pin 16
Positioned at the central region of contact pin 16, contact pin attachment screw can be also installed in the end of contact pin 16, connected in contact pin hangnail and contact pin
Connect and contact pin standstill face is provided between screw, the contact pin standstill face is located at the same side of contact pin 16 with contact pin attachment screw, and contact pin stops
Turn face in plane.
The quantity of contact pin jack is consistent with the quantity of contact pin 16 in plastic housing 9, and contact pin 16 can be realized by contact pin jack
Install and positioning.When contact pin 16 is inserted in plastic housing 9 by contact pin jack 16, the contact pin attachment screw of contact pin 16 is located at plastic housing 9
Tail end, can be effectively isolated by line end dividing plate 17 to contact pin 16, it is to avoid be produced when being electrically connected using contact pin 16
Short-circuit conditions.The line end plastic housing confined planes being adapted to contact pin hangnail are set in plastic housing 9, fallen by line end plastic housing confined planes and contact pin
The cooperation of thorn, is avoided that contact pin 16 comes off out of plastic housing 9.In addition, being additionally provided with line end plastic housing rotation stop confined planes in plastic housing 9, pass through
Line end plastic housing rotation stop confined planes and the cooperation of contact pin standstill face, it is to avoid rotation of the contact pin 16 in plastic housing 9.
In the utility model embodiment, plastic housing end block 14 is located at the end of plastic housing 9, and plastic housing end block 14 is located at the two of contact pin 16
Side, i.e. plastic housing end block 14 are in sector in plastic housing 9, and height of the plastic housing end block 14 in plastic housing 9 is not less than the insertion plastic housing 9 of contact pin 16
The distance of interior rearward end.Line end dividing plate 17 is respectively supported on corresponding plastic housing end block 14, i.e., one end of all line end dividing plates 17
It is connected with each other integrally, the other end of line end dividing plate 17 is supported on plastic housing end block 14.Contact pin can be increased by plastic housing end block 14
There is provided the reliability of whole connector and security for electric clearance and creep age distance between 16.
When it is implemented, the head end end surface in the plastic housing 9 is provided with some stress relief holes 10, stress relief hole 10
Aperture be much smaller than contact pin jack 5 aperture, the stress in plastic housing 9, stress relief hole 10 can be reduced by stress relief hole 10
Quantity can be selected as needed, specially known to those skilled in the art.It can also be dropped by stress relief hole 10
The weight of low plastic housing 9.
As shown in figure 4, the tail end in the plastic housing 9 is provided with shell 1, one end of shell 1 connects with the tail end fastening of plastic housing 9
Connect, sealing-plug 7 and tension device 8 are provided with the other end of housing 1, the sealing-plug 7 and tension device 8 are locked by nut 3
In shell 1.
In the utility model embodiment, in the utility model embodiment, plastic housing screw thread 13 is provided with the tail end of plastic housing 9, outside
Shell 1 is fastenedly connected by line end plastic housing screw thread 13 and plastic housing 9, and shell 1 is in the form of a column, and sealing-plug 7 and tension device 8 pass through nut 3
It is locked in shell body 1, nut 3 is located at the end of shell body 1.The specific effect of sealing-plug 7 and tension device 8, and with it is outer
It is that known to those skilled in the art, here is omitted to coordinate between shell 1 to the connection function of photovoltaic system.
As shown in Fig. 2, Fig. 5, Fig. 6 and Fig. 7, plastic housing ring 4 is convexly equipped with the plastic housing 9, in the outer ring of the plastic housing ring 4
Edge sets some plastic housing stopper slots 11 and plastic housing limit rib 12, and the plastic housing stopper slot 11, plastic housing limit rib 12 are in plastic housing
It is in be spaced apart on ring 4；
Bottom in lock nut 2 is provided with some lock nut limit ribs 15 being adapted to plastic housing stopper slot 11, plastic housing limit rib 12,
Lock nut limit rib 15 is convexly equipped on the inwall of lock nut 2；
When and if only if lock nut limit rib 15 is aligned completely with the plastic housing stopper slot 11 on plastic housing ring 4, lock nut 2 could be pacified
Head end loaded on plastic housing 9；
After lock nut 2 is installed in plastic housing 9, lock nut limit rib 15 and the plastic housing on plastic housing ring 4 of and if only if lock nut 2 are limited
When position groove 11 is aligned, the lock nut 2 for being installed on the head end of plastic housing 9 could be pulled open separation from plastic housing 9.Top in the lock nut 2
It is convexly equipped with symmetrical lock nut fixed block 6.
In the utility model embodiment, lock nut 2 is installed on the head end of plastic housing 9, and shell 1 is installed on the tail end of plastic housing 9, plastic housing
Ring 4 is located at the centre of head end and tail end in plastic housing 9, and plastic housing ring 4 is convexly equipped in plastic housing 9, i.e., the external diameter of plastic housing ring 4 is more than plastic housing
The external diameter of 9 remaining position, plastic housing 9 is in the form of a column or class column structure.Lock nut 2 is in the tubular structure of both ends open.Plastic housing stopper slot
11 is recessed on plastic housing ring 4, and plastic housing stopper slot 11 is in be spaced apart with plastic housing limit rib 12, by the outer ring side of plastic housing ring 4
Edge sets the plastic housing stopper slot 11 of indent to form corresponding plastic housing limit rib 12, and plastic housing stopper slot 11, plastic housing limit rib 12 exist
Along the rounded distribution in center of plastic housing ring 4 on plastic housing ring 4.
Lock nut limit rib 15 is convexly equipped on the inwall of lock nut 2, when it is implemented, the incomplete phase of the size of plastic housing stopper slot 11
Together, so as to obtain the incomplete same plastic housing limit rib 12 of size.In order to be able to plastic housing limit rib 12 and plastic housing stopper slot 11
The size of lock nut limit rib 15 on alignment, lock nut 2 is also incomplete same, and lock nut limit rib 15 can be suitable with plastic housing stopper slot 11
Match somebody with somebody, refer to that the shape of lock nut limit rib 15, size can be completely corresponding or identical with shape, the size of plastic housing stopper slot 11；Work as lock
When cap limit rib 15 is adapted to plastic housing stopper slot 11, lock nut 2 can carry out the movement of axial direction on plastic housing ring 4, can be by lock nut 2
Lock nut limit rib 15 move to the lower section of plastic housing ring 4, or the lock nut limit rib 15 of lock nut 2 is pulled to the top of plastic housing ring 4.
Because the size of plastic housing stopper slot 11 is incomplete same, and lock nut limit rib 15 can be adapted to plastic housing stopper slot 11,
Therefore, and if only if after lock nut limit rib 15 is aligned completely with plastic housing stopper slot 11, and lock nut 2 could be installed on to the head of plastic housing 9
End, otherwise, the stop due to plastic housing limit rib 12 or plastic housing stopper slot 11 to lock nut limit rib 15 causes lock nut 2 not install
In in plastic housing 9.When lock nut limit rib 15 is aligned completely with plastic housing stopper slot 11, and lock nut 2 is installed on the head end of plastic housing 9
When, the lock nut limit rib 15 of lock nut 2 is located at the lower section of plastic housing ring 4, at this point it is possible to which lock nut 2 is rotated relative to plastic housing 9 so that lock
Cap limit rib 15 staggers with plastic housing stopper slot 11, i.e., lock nut limit rib 15 is in non-fully alignment with plastic housing stopper slot 11,
So as to utilize plastic housing 4 cooperation to lock nut limit rib 15 of ring so that lock nut 2 can not be pulled out from the head end of plastic housing 9, meanwhile, utilize
Cooperation between lock nut 2 and the external diameter size and shell 1 of plastic housing 9, can realize that the position of lock nut 2 is fixed, i.e., lock nut 2 is in plastic housing 9
On can only rotate, and can not realize from the pull-out of the head end of plastic housing 9.
When it is implemented, when needing to change lock nut 2, it is only necessary to which lock nut limit rib 15 is complete again with plastic housing stopper slot 11
Full alignment, and if only if after the lock nut limit rib 15 of lock nut 2 is aligned with the plastic housing stopper slot 11 on plastic housing ring 4, due to plastic housing ring 4
Lock nut limit rib 15 can not be stopped again, can realize and pull out lock nut 2 from the head end of plastic housing 9.In addition, in order to quickly realize lock nut
The rapid alignment of limit rib 15 and plastic housing stopper slot 11, can be respectively arranged to what alignment was indicated on lock nut 2 and plastic housing 9
Arrow, the complete of lock nut limit rib 15 and plastic housing stopper slot 11 is can be only achieved when only corresponding arrow is completely to correspondence
Full alignment, the particular location of arrow and specific instruction state can carry out selection setting as needed, be specially this
Known to technical field personnel, here is omitted.
To sum up, lock nut 2 can be directly mounted at the head end of plastic housing 9, can also be directly from plastic housing 9 when changing lock nut 2
Head end is pulled out, and using the cooperation of lock nut limit rib 15 and plastic housing stopper slot 11, can ensure that lock nut 2 and the indirect stability of plastic housing 9
With reliability, the purpose of lock nut 2 and the fast assembling-disassembling of plastic housing 9 is reached.
When it is implemented, the top in the lock nut 2 is convexly equipped with symmetrical lock nut fixed block 6.In order to constitute one
The solar energy AC connector of completion, general connector needs two connectors for including cooperating, and lock nut 2 can be set
On any connector, it can be selected as needed, specially known to those skilled in the art, here is omitted.
After lock nut 2 is arranged on a connector, it is possible to use lock nut fixed block 6 and another connector clamping, two connectors are realized
It is fastenedly connected.
The utility model is provided with some plastic housing end blocks 14 in the tail end of plastic housing 9, and plastic housing end block 14 is located at the both sides of contact pin 16,
Line end dividing plate 17 is additionally provided with plastic housing end block 14, so as to increase electric clearance and creep age distance, meanwhile, also it is avoided that in profit
The short-circuit conditions produced when being electrically connected with contact pin 16；Set in plastic housing 9 and plastic housing stopper slot is set on plastic housing ring 4, plastic housing ring 4
11 and plastic housing limit rib 12, lock nut limit rib 15 is set in lock nut 2, and if only if lock nut limit rib 15 with plastic housing ring 4
When plastic housing stopper slot 11 is aligned completely, lock nut 2 can be installed on to the head end of plastic housing 9；After lock nut 2 is installed in plastic housing 9, when and
Only when the lock nut limit rib 15 of lock nut 2 is aligned with the plastic housing stopper slot 11 on plastic housing ring 4, the head end of plastic housing 9 could will be installed on
Lock nut 2 separation is pulled open from plastic housing 9, can realize the fast assembling-disassembling of lock nut 2 and connector, improve the installation and replacing of lock nut 2
Efficiency, it is safe and reliable.
Claims (5)
1. a kind of can increase the connector of creep age distance, including plastic housing (9) and the lock nut for being installed on the plastic housing (9) head end
(2)；It is characterized in that：The contact pin jack (5) inserted in the plastic housing (9) provided with some permission contact pins (16), contact pin (16) passes through
It is installed on after insertion contact pin jack (5) in plastic housing (9)；
It is additionally provided with the tail end end of the plastic housing (9) some for increasing the plastic housing end block (14) of creep age distance, adjacent modeling
Shell end block (14) is distributed in the both sides of contact pin (16), and line end dividing plate (17) is additionally provided with the plastic housing end block (14).
2. according to claim 1 can increase the connector of creep age distance, it is characterized in that：Tail end in the plastic housing (9)
Provided with shell (1), one end of shell (1) and the tail end of plastic housing (9) are fastenedly connected, and sealing-plug is provided with the other end of shell (1)
(7) and tension device (8), the sealing-plug (7) and tension device (8) are locked in shell (1) by nut (3).
3. according to claim 1 can increase the connector of creep age distance, it is characterized in that：It is provided with the contact pin (16)
The line end plastic housing confined planes being adapted to contact pin hangnail are set in contact pin hangnail, plastic housing (9).
4. according to claim 1 can increase the connector of creep age distance, it is characterized in that：The projection in the plastic housing (9)
There is plastic housing ring (4), some plastic housing stopper slots (11) and plastic housing limit rib are set at the outer ring edge of the plastic housing ring (4)
(12), the plastic housing stopper slot (11), plastic housing limit rib (12) are in and are spaced apart on plastic housing ring (4)；
Bottom in lock nut (2) is provided with some lock nut limit ribs being adapted to plastic housing stopper slot (11), plastic housing limit rib (12)
(15), lock nut limit rib (15) is convexly equipped on lock nut (2) inwall；
And if only if when lock nut limit rib (15) is aligned completely with the plastic housing stopper slot (11) on plastic housing ring (4), could be by lock nut
(2) it is installed on the head end of plastic housing (9)；
After lock nut (2) is installed in plastic housing (9), the lock nut limit rib (15) of and if only if lock nut (2) with plastic housing ring (4)
When plastic housing stopper slot (11) is aligned, the lock nut (2) for being installed on plastic housing (9) head end could be pulled open separation from plastic housing (9).
5. according to claim 4 can increase the connector of creep age distance, it is characterized in that：Top in the lock nut (2)
It is convexly equipped with symmetrical lock nut fixed block (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720117954.XU CN206506080U (en) | 2017-02-09 | 2017-02-09 | The connector of creep age distance can be increased |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720117954.XU CN206506080U (en) | 2017-02-09 | 2017-02-09 | The connector of creep age distance can be increased |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206506080U true CN206506080U (en) | 2017-09-19 |
Family
ID=59834874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720117954.XU Active CN206506080U (en) | 2017-02-09 | 2017-02-09 | The connector of creep age distance can be increased |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206506080U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602343A (en) * | 2017-02-09 | 2017-04-26 | 无锡百祺电子科技有限公司 | Connector capable for increasing creep distance |
-
2017
- 2017-02-09 CN CN201720117954.XU patent/CN206506080U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106602343A (en) * | 2017-02-09 | 2017-04-26 | 无锡百祺电子科技有限公司 | Connector capable for increasing creep distance |
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