CN102377065A - Press connection type sealing N-shaped plug pin connector - Google Patents
Press connection type sealing N-shaped plug pin connector Download PDFInfo
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- CN102377065A CN102377065A CN2010102615303A CN201010261530A CN102377065A CN 102377065 A CN102377065 A CN 102377065A CN 2010102615303 A CN2010102615303 A CN 2010102615303A CN 201010261530 A CN201010261530 A CN 201010261530A CN 102377065 A CN102377065 A CN 102377065A
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- back nut
- ring
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Abstract
The invention discloses a press connection type sealing N-shaped plug pin connector, which comprises a plug pin connector case (1), a back screw nut (2) and a press connection sleeve (8), wherein the back screw nut (2) is sheathed outside the plug pin connector case (1) and is connected into a whole with the plug pin connector case (1) through screw threads, a first sealing ring (3) and a press ring (4) are arranged inside the back screw nut (2), the first sealing ring (3) is blocked inside the back screw nut (2) by the press ring (4), the front end of the press connection sleeve (8) extrudes the first sealing ring (3) through the press ring (4) so that the first sealing ring (3) tightly extrudes a cable sheath (11), and the sealing between the back screw nut (2) and the cable sheath (11) is realized. A second sealing ring (5) is also arranged between the plug pin connector case (1) and the back screw nut (2). The press connection type sealing N-shaped plug pin connector has the advantages that by the principle of not increasing too much cost, all advantages of the traditional press connection type connector are reserved, a waterproof function is also provided, the production efficiency is improved, and the stability and the consistency of a system are also improved.
Description
Technical field
The present invention relates to wireless technical field of micro communication, especially a kind of compression joint type sealing N type contact pin connector.
Background technology
Contact pin connector is connected with flexible cable and generally adopts attaching mode or crimping mode.
The contact pin connector of crimping mode is tightly to be pressed between contact pin connector shell and the crimping sleeve through the mesh grid screen of special crimping tool with flexible cable.Owing to being accomplishes through special instrument to install, so consistency of product will be far above the installation type contact pin connector, and efficient also improves greatly, and because the part of compression joint type contact pin connector is few, making is simple, so cost greatly reduces.The contact pin connector of crimping mode is normally accomplished in factory and is installed, and this has reduced a large amount of work on the spot amounts for the customer, also greatly reduces work difficulty.But its shortcoming is that waterproof grommet (with reference to figure 1) can't be installed in inside, can not be applied to outdoor environment.
Only need conventional spanner in the installation type contact pin connector installation process and do not need other special tool(s)s; Therefore be particularly suitable for on-the-spot the installation; The more important thing is the installation type contact pin connector owing to can between back nut and shell, adorning the requirement (with reference to figure 2) that sealing ring reaches waterproof, thereby can under outdoor environment, use.Its shortcoming mainly is that installation process wastes time and energy and needs through training, exper ienced personnel operation, even like this, the installation consistency of installation type contact pin connector also is difficult to be guaranteed, because part is more complicated, cost is also higher simultaneously.
Development along with communication industry; Communication system performance requires more and more harsher on the one hand; On the other hand the stability and the consistency of system are also had higher requirement, a kind of thus contact pin connector that has all advantages of compression joint type contact pin connector simultaneously and can provide again water-proof function just becomes the developing direction of outdoor contact pin connector.
Summary of the invention
The objective of the invention is: a kind of compression joint type sealing N type contact pin connector is provided; Under the principle that does not increase too many cost; Not only keep all advantages of compression joint type contact pin connector but also water-proof function can be provided, make the user both improve production efficiency, improved the stability and the consistency of system again.
Technical scheme of the present invention is: a kind of compression joint type sealing N type contact pin connector, and it comprises contact pin connector shell, back nut, crimping sleeve; Said contact pin connector shell arranged outside has screw thread, and the back nut inboard is provided with screw thread, and back nut is sheathed on contact pin connector housing exterior and whole through being threaded; Said back nut set inside has first sealing ring, pressure ring, and pressure ring is barred from back nut inside with first sealing ring, makes back nut, first sealing ring, pressure ring become the as a whole good parts of prepackage; The crimping sleeve front end pushes first sealing ring through pressure ring, and first sealing ring is distortion under extruding, and the tight extruded cable crust of first sealing ring of distortion is realized sealing between back nut and the cable sheath.
Further explain in the face of technique scheme down:
Also be provided with between said contact pin connector shell and the back nut and be used to realize second sealing ring that seals between the two.
Said contact pin connector shell arranged outside has seal groove, and second sealing ring is arranged in the seal groove, and second sealing ring outside exceeds the seal groove surface.
Said back nut front end is provided with the Leading end chamfer of being convenient to the back nut precession and can not damaging second sealing ring.
The ring-shaped article that has breach that said pressure ring can make its ring diameter dwindle during for pressurized.
Said back nut inboard is provided with can be convenient to that pressure ring gets into back nut but the step that can not withdraw from back nut, and the step internal diameter is external diameter but external diameter when shrinking greater than pressure ring during less than the pressure ring normality.
A side that gets into towards pressure ring of said step is the inclined-plane, and a side that withdraws from towards pressure ring of step is a step surface.
The operation principle of the preferred embodiment of the present invention is: on the basis of common compression joint type contact pin connector, increase a back nut; There are prepackage good first sealing ring and pressure ring in this back nut inside; And on the shell of connector, increase screw thread connecting back nut, increase a seal groove to assemble second sealing ring at the front end of the screw thread that increases.
After compression joint type contact pin connector normal mounting was accomplished, the crimping sleeve afterbody can form a horn mouth, and it is circular that bell-mouthed end surface shape still keeps, the back nut of screwing on subsequently.Along with advancing of back nut, the front end of back nut will slowly be pushed down second sealing ring on the shell forward, and second sealing ring will be compressed in and form sealing between back nut and the contact pin connector shell; Utilize bell-mouthed end face to form supporting surface on the other hand and push the pressure ring in the back nut; And pressure ring can push first sealing ring of back prepackage; First sealing ring internal diameter that is squeezed will diminish to come on the crust of extruded cable, and such first sealing ring will be compressed in and form sealing between cable sheath and the back nut.
Through such scheme, will reach the water-tight function after compression joint type contact pin connector and the cable installation.
Advantage of the present invention is:
1, compression joint type of the present invention sealing N type contact pin connector can be accomplished a large amount of installment works in factory, has saved user's operating time at the scene greatly, has reduced operation easier, has reduced the probability of makeing mistakes, and has improved efficient.
2, compression joint type sealing N type contact pin connector of the present invention has guaranteed consistency and stability highly again when being suitable for producing in enormous quantities.Of paramount importance is that its water-tight function makes it to go for to use under the outdoor environment.
3, compression joint type sealing N type contact pin connector of the present invention, with respect to the installation type contact pin connector, cost greatly reduces.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is done further description:
Fig. 1 is the structural representation of compression joint type N type contact pin connector in the prior art;
Fig. 2 is the structural representation of installation type N type contact pin connector in the prior art;
Fig. 3 is the structural representation of the back nut sub-assembly (containing first sealing ring, pressure ring) among the present invention;
Fig. 4 is the local enlarged diagram of first sealing ring among the present invention and pressure ring part;
Fig. 5 is the structural representation of the present invention when the back nut sub-assembly is partly installed;
Fig. 6 is the structural representation of the present invention when the back nut sub-assembly is installed fully.
Wherein: 1 contact pin connector shell; 2 back nuts; 3 first sealing rings; 4 pressure rings; 5 second sealing rings; 8 crimping sleeves; 11 cable sheaths; 12 mesh grid outer shielding layers; 15 sealing rings.
Embodiment
Embodiment: like Fig. 5, shown in Figure 6, a kind of compression joint type sealing N type contact pin connector, it comprises contact pin connector shell 1, back nut 2, crimping sleeve 8.
Contact pin connector shell 1 arranged outside has screw thread, and back nut 2 inboards are provided with screw thread, and it is outside and whole through being threaded that back nut 2 is sheathed on contact pin connector shell 1.
Like Fig. 3, shown in Figure 4, back nut 2 set inside have first sealing ring 3, pressure ring 4, and pressure ring 4 is barred from back nut 2 inside with first sealing ring 3, make back nut 2, first sealing ring 3,4 one-tenth good parts of as a whole prepackage of pressure ring.As shown in Figure 6, crimping sleeve 8 front ends are through pressure ring 4 extruding first sealing ring 3.First sealing ring 3 is distortion under extruding, and first sealing ring, the 3 tight extruded cable crusts 11 of distortion are realized sealing between back nut 2 and the cable sheath 11.
Also be provided with between contact pin connector shell 1 and the back nut 2 and be used to realize second sealing ring 5 that seals between the two.Contact pin connector shell 1 arranged outside has seal groove, and second sealing ring 5 is arranged in the seal groove, and second sealing ring, 5 outsides exceed the seal groove surface.Back nut 2 front ends are provided with the Leading end chamfer of being convenient to back nut 2 precessions and can not damaging second sealing ring 5.
The ring-shaped article that has breach that pressure ring 4 can make its ring diameter dwindle during for pressurized.Back nut 2 inboards are provided with can be convenient to that pressure ring 4 gets into back nuts 2 but the step that can not withdraw from back nut 2, and the step internal diameter is external diameter but external diameter when shrinking greater than pressure ring 4 during less than pressure ring 4 normalities.A side that gets into towards pressure ring 4 of this step is the inclined-plane, and a side that withdraws from towards pressure ring 4 of step is a step surface.
Further specify present embodiment through the description of the present invention being installed and used process below:
Like Fig. 3, shown in Figure 4, first sealing ring, 3, the first sealing rings 3 of packing into earlier in the back nut 2 are that elastomeric material is easy to be in place, and install first sealing ring 3 and keep it on the step of back nut 2, reinstall a pressure ring 4.A triangle step is arranged in the back nut 2, and its internal diameter is less than the external diameter of pressure ring 4, when pressure ring 4 when packing into, need to use the big outer step of defeating.In case pressure ring 4 is forced through step, step will form and oppositely stop and make it just can't drop out back nut 2, and pressure ring 4 can block first sealing ring 3 and makes it also can't drop out back nut 2, and remains in the seal groove that back nut 2 and pressure ring 4 form.Like this, back nut 2, sealing ring 3 and pressure ring 4 have just formed the good part of prepackage of an integral body.
On compression joint type contact pin connector shell 1, process a seal groove, second sealing ring 5 of packing into.After the installation of compression joint type contact pin connector, the back nut 2 of screwing on.As shown in Figure 5, along with the precession of back nut 2, the Leading end chamfer of back nut 2 can slowly be pressed second sealing ring 5, makes being compressed between back nut 2 front end inner surfaces and contact pin connector shell 1 outer surface that second sealing ring 5 has no to damage, forms sealing.
On the other hand; After the installation of compression joint type contact pin connector, crimping sleeve 8 afterbodys can form a horn mouth, and this bell-mouthed end face still keeps circular; Utilize this round speaker mouth end face to push pressure ring 4 as supporting surface; And pressure ring 4 internal diameter that can extruding first sealing ring 3, the first sealing rings 3 be squeezed will diminish to come on the extruded cable crust 11, and such first sealing ring will be compressed in to form between cable sheath 11 and the back nut 2 and seal.As shown in Figure 6; Screw fully up to back nut 2 and to put in place; Second sealing ring 5 and first sealing ring 3 receive suitable extruding force and produce rational decrement and form thorough sealing, make the compression joint type contact pin connector possess the classification of waterproof requirement of IP68, are applicable to that fully outdoor environment uses.
Should be pointed out that for the present invention also to have the embodiment of multiple conversion and remodeling, be not limited to the specific embodiment of above-mentioned execution mode through proving absolutely.The foregoing description is as just explanation of the present invention, rather than restriction.In a word, protection scope of the present invention should comprise those conspicuous to those skilled in the art conversion or substitute and remodeling.
Claims (7)
1. a compression joint type seals N type contact pin connector, and it is characterized in that: it comprises contact pin connector shell (1), back nut (2), crimping sleeve (8); Said contact pin connector shell (1) arranged outside has screw thread, and back nut (2) inboard is provided with screw thread, and it is outside and whole through being threaded that back nut (2) is sheathed on contact pin connector shell (1); Said back nut (2) set inside has first sealing ring (3), pressure ring (4), and pressure ring (4) is barred from back nut (2) inside with first sealing ring (3), makes back nut (2), first sealing ring (3), pressure ring (4) become the as a whole good parts of prepackage; Crimping sleeve (8) front end is through pressure ring (4) extruding first sealing ring (3), and first sealing ring (3) is distortion under extruding, and first sealing ring (3) of distortion is extruded cable crust (11) closely, realizes sealing between back nut (2) and the cable sheath (11).
2. compression joint type according to claim 1 sealing N type contact pin connector is characterized in that: also be provided with between said contact pin connector shell (1) and the back nut (2) and be used to realize second sealing ring (5) that seals between the two.
3. compression joint type sealing N type contact pin connector according to claim 2, it is characterized in that: said contact pin connector shell (1) arranged outside has seal groove, and second sealing ring (5) is arranged in the seal groove, and second sealing ring (5) outside exceeds the seal groove surface.
4. compression joint type sealing N type contact pin connector according to claim 2, it is characterized in that: said back nut (2) front end is provided with the Leading end chamfer of being convenient to back nut (2) precession and can not damaging second sealing ring (5).
5. compression joint type according to claim 1 sealing N type contact pin connector is characterized in that: the ring-shaped article that has breach that said pressure ring (4) can make its ring diameter dwindle during for pressurized.
6. compression joint type sealing N type contact pin connector according to claim 1; It is characterized in that: said back nut (2) inboard is provided with can be convenient to that pressure ring (4) gets into back nut (2) but the step that can not withdraw from back nut (2), and the step internal diameter is external diameter but external diameter when shrinking greater than pressure ring (4) during less than pressure ring (4) normality.
7. compression joint type sealing N type contact pin connector according to claim 6, it is characterized in that: a side that gets into towards pressure ring (4) of said step is the inclined-plane, and a side that withdraws from towards pressure ring (4) of step is a step surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102615303A CN102377065A (en) | 2010-08-25 | 2010-08-25 | Press connection type sealing N-shaped plug pin connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102615303A CN102377065A (en) | 2010-08-25 | 2010-08-25 | Press connection type sealing N-shaped plug pin connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102377065A true CN102377065A (en) | 2012-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102615303A Pending CN102377065A (en) | 2010-08-25 | 2010-08-25 | Press connection type sealing N-shaped plug pin connector |
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| Country | Link |
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| CN (1) | CN102377065A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105098462A (en) * | 2014-04-24 | 2015-11-25 | 泰科电子(上海)有限公司 | Connector, matching connector and connector combination |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020189844A1 (en) * | 2001-06-18 | 2002-12-19 | Yazaki Corporation | Waterproof structure for terminal |
| US6767248B1 (en) * | 2003-11-13 | 2004-07-27 | Chen-Hung Hung | Connector for coaxial cable |
| US20050037657A1 (en) * | 2001-06-20 | 2005-02-17 | Cooper Industries, Inc., A Ohio Corporation | EMT rain-tight compression fittings |
| CN101527396A (en) * | 2009-04-07 | 2009-09-09 | 苏州兆科电子有限公司 | Rapidly-installed integral type annular corrugated pipe cable connector |
| CN201813010U (en) * | 2010-08-25 | 2011-04-27 | 苏州兆科电子有限公司 | Crimping sealed N-shaped pin connector |
-
2010
- 2010-08-25 CN CN2010102615303A patent/CN102377065A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020189844A1 (en) * | 2001-06-18 | 2002-12-19 | Yazaki Corporation | Waterproof structure for terminal |
| US20050037657A1 (en) * | 2001-06-20 | 2005-02-17 | Cooper Industries, Inc., A Ohio Corporation | EMT rain-tight compression fittings |
| US6767248B1 (en) * | 2003-11-13 | 2004-07-27 | Chen-Hung Hung | Connector for coaxial cable |
| CN101527396A (en) * | 2009-04-07 | 2009-09-09 | 苏州兆科电子有限公司 | Rapidly-installed integral type annular corrugated pipe cable connector |
| CN201813010U (en) * | 2010-08-25 | 2011-04-27 | 苏州兆科电子有限公司 | Crimping sealed N-shaped pin connector |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105098462A (en) * | 2014-04-24 | 2015-11-25 | 泰科电子(上海)有限公司 | Connector, matching connector and connector combination |
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| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120314 |