CN102117991B - Waterproof connector - Google Patents
Waterproof connector Download PDFInfo
- Publication number
- CN102117991B CN102117991B CN 201110032767 CN201110032767A CN102117991B CN 102117991 B CN102117991 B CN 102117991B CN 201110032767 CN201110032767 CN 201110032767 CN 201110032767 A CN201110032767 A CN 201110032767A CN 102117991 B CN102117991 B CN 102117991B
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- CN
- China
- Prior art keywords
- end cap
- connector
- connector shell
- water
- window
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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 - Fee Related
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Abstract
The invention discloses a waterproof connector comprising a connector shell in which a mounting channel is arranged, wherein a window which is communicated with the mounting channel is arranged on the outer surface of the connector shell; an end cover which covers the window is assembled on the connector shell; a sealing disc which is used for sealing the window is clamped between the end cover and the connector shell; a water storage groove is arranged at a place which is in the middle part of the bottom surface of the end cover and is dead against the window; and a pressure balance hole is penetrated between the bottom surface of the water storage groove and the top surface of the end cover. By means of the waterproof connector provided by the invention, the service life of the sealing disc is prolonged; and the reliability of the waterproof sealing of the connector is improved.
Description
Technical field
The present invention relates to be used for the connector of signal transmission.
Background technology
The water-proof connector that is used for deepwater environment; The outlet direction requirement of line cable for satisfying; Being used for the inserted terminal corresponding and being used on same straight line, not extending but the part (being generally L shaped) of turning round through the connector middle part is connected of connector with the corresponding end of incoming cables of cable with intermateable connector; Like this when using linearly extended contact; Because it is inconsistent with the bearing of trend of end of incoming cables; The afterbody of contact just can not be exposed at the end of incoming cables of connector and be connected (the general employing welded, and also can adopt crimping) that can not implement cable and contact in the end of incoming cables of connector, so just need the round part branch of connector offer face the contact afterbody the wiring window to make things convenient for wiring.And the waterproof sealing at this window place is realized through press-fiting sealing ring and end cap on the window in the prior art; Sealing ring is located between the connector shell around end cap and the window; Sealing ring in the slit of the junction of end cap and connector shell just will receive the long term of external high pressure hydraulic pressure like this, and the sealing ring under long term curls inward can occur or present the arcuation attitude and cause seal failure.
Summary of the invention
The object of the present invention is to provide a kind of water-proof connector, the sealing ring that solves wiring window of the prior art place is subject to the external water pressure effect and the problem that lost efficacy.
Technical scheme of the present invention is: a kind of water-proof connector; Establish the connector shell of installation channel in comprising; Connector shell comprise be used for the grafting end corresponding with intermateable connector, be used for the corresponding inlet wire end of cable and be connected in the grafting end and the inlet wire end between the part of turning round; Be provided with the contact that afterbody extends towards the part of turning round in the installation channel in the said grafting end; Offer on the outer surface of the said part of turning round communicate with installation channel, over against the window of said contact afterbody; Be equipped with the end cap that is placed on the said window on the said connector shell; Be folded with the sealing disc of airtight said window between said end cap and the connector shell, be provided with the end cap mating surface corresponding with end cap on the outer surface of connector shell around the said window, the end cap mating surface comprises being used for cooperating with end cap and compressing the lower seal part that seals disc jointly around the window setting; Middle part, said end cap bottom surface is provided with the water groove over against the window place; Connect between the groove bottom of water groove and the end face of end cap and be provided with pressure compensation opening, approach on the bottom surface of end cap or directly in the notch mouth of water groove be provided with along the place with said connector shell on the lower seal part corresponding, around the top sealed portion of said water groove.
Also be provided with the following pressing section that is used for the end cap compression fit in the periphery of its lower sealing surface part on the end cap mating surface of said connector shell, the bottom surface of said end cap is provided with and the said last pressing section of the corresponding compression fit of pressing section down.
Said sealing disc edge part is provided with the flange on the bottom surface, top that is raised in disc of annular spread; Said lower seal partly comprises the following installation annular groove that is used to install the flange that seals disc, and said top sealed portion comprises upward installation annular groove flange, corresponding with the said annular groove of installation down that is used to install the sealing disc.
The said annular groove of installation down is the low chamfering conical surface in middle height edge near the trough wall surface of window.
Said upward installation annular groove is the low chamfering conical surface in middle height edge near the trough wall surface of said water groove.
The place of keeping to the side of said end cap is useful on the connecting hole that is connected with connector shell along circle distribution; Other is provided with screw and passes connecting hole and penetrate on the connector shell in the corresponding screw hole that is provided with and end cap and connector shell are fixed together, and will seal disc and be pressed between end cap and the connector shell.
End cap end face around said each connecting hole is provided with the installation step that is used to cooperate said screw that is lower than end cap end face middle part.
The corner location of said end cap also is provided with arc notch, and the connector case surface of corresponding said arc notch position is provided with the panel bolts installing hole.
Water-proof connector of the present invention; Owing to have pressure compensation opening on the end cap; Water can get into the water groove from pressure compensation opening; Make on can be from water groove mouth along the top sealed portion that the affacts end cap from inside to outside folded that part of sealing disc of hydraulic pressure, and cancel out each other, realize that end cap and the connector shell place of compressing seal the internal and external pressure balance of disc with the hydraulic pressure of the ecto-entad effect in the slit of end cap and connector shell junction; Avoid the long-term one-sided stressed state of seal disc sheet, thereby reduced the generation of the seal failure problem of sealing disc.Through above structure; Efficiently solve the problem of the stressed easy inefficacy of sealing ring; Increase behind the balancing hole operating position that can observe sealing ring under without the situation of knockout screw simultaneously, in time pinpointed the problems, be convenient to better replacing; Improve the useful life of sealing disc, improved the reliability of the waterproof sealing of connector simultaneously.
Description of drawings
Fig. 1 is the structural representation of embodiment under user mode of water-proof connector of the present invention;
Fig. 2 is the structural representation of the water-proof connector of Fig. 1;
Fig. 3 is the right view of Fig. 2;
Fig. 4 is the vertical view of Fig. 3;
Fig. 5 is the structural representation of the end cap among Fig. 1;
Fig. 6 is the perspective view of the end cap among Fig. 1;
Fig. 7 is the perspective view of the seal disc among Fig. 1;
Fig. 8 is the planar structure sketch map of the seal disc among Fig. 7;
Fig. 9 is the A-A cutaway view of Fig. 8.
Embodiment
Like Fig. 1~shown in Figure 9; Water-proof connector of the present invention; Establish the connector shell 1 of the installation channel that is used to install contact and cable in comprising; Connector shell 1 comprise be used for the grafting end 11 corresponding with intermateable connector, be used for the corresponding inlet wire end 13 of cable and be connected in the grafting end and the inlet wire end between the part 12 of turning round; Said installation channel connects the grafting end successively, turn round part, inlet wire end, and the two ends of said installation channel are provided with corresponding opening respectively on grafting end and inlet wire end.
It is orthogonal L shaped that round part in the present embodiment is divided into the bearing of trend at two ends, and certainly in other embodiments of the invention, the bearing of trend at the part of turning round two ends also can be vertical each other but inclination intersection clip acute angle (or obtuse angle).Be installed with along linearly extended contact 6 through insulator in the installation channel in the said grafting end 11; The afterbody of said contact 6 extends towards the part of turning round; Offer on the outer surface of the said part 12 of turning round communicate with installation channel, over against the window 121 of said contact 6 afterbodys; Window 121 is mainly used in the wiring operation of contact and cable and the embedding after the wiring; Be closed with sealing disc 3 on the window 121, sealing disc 3 edge parts are provided with the flange 31 on the bottom surface, top that is raised in disc of annular spread.Be pressed with end cap 2 on the sealing disc 3; The outer surface of the connector shell 1 around the window 121 is provided with the end cap mating surface corresponding with end cap 2; The end cap mating surface comprises around what window 121 was provided with and is used for cooperating with end cap and compresses the lower seal part that seals disc 3 jointly; Also be provided with the following pressing section that is used for the end cap compression fit in the periphery of its lower sealing surface part on the end cap mating surface; In the present embodiment; The lower seal of said end cap mating surface partly comprises the following installation annular groove 122 that is used to install the flange 31 that seals disc 3, and following installation annular groove 122 is the low chamfering conical surface 123 in middle height edge near the trough wall surface of window 121, and said compressing down partly is the loop corresponding with the appropriate section of end cap.Certainly in other embodiments of the invention; If do not need end cap and connector shell snug fit, also the lower seal part can only be set on the end cap mating surface, and corresponding to difform sealing ring; Lower seal partly is not to have only a kind of flute profile formula, can be plane or cambered surface yet.Middle part, said end cap 2 bottom surfaces is provided with water groove 21 over against window 121 places; Connect between the end face of the groove bottom of water groove 21 and end cap 2 and be provided with five pressure compensation openings 22; Each pressure compensation opening 22 is distributed in the center of end cap 2 and on the circumference at center, each pressure compensation opening 22 is selected less aperture 3mm~4mm, and makes current can directly not be washed into the sealing disc; Certainly in other embodiments of the invention, the number of pressure compensation opening also can be less than or more than 5.On the bottom surface of end cap 2 near the notch mouth of water groove 21 along the place be provided with said connector shell 1 on the corresponding top sealed portion of lower seal part of end cap mating surface; Said top sealed portion is provided with around said water groove 21, also be provided with on the bottom surface of end cap 2 with said connector shell 1 on the last pressing section of following pressing section corresponding matching of end cap mating surface.Described top sealed portion comprise with said connector shell 1 on the last mounting grooves 23 of following mounting groove 122 flange 31 corresponding, that be used to install sealing disc 3, last mounting groove 23 is the low chamfering conical surface 24 in middle height edge near the trough wall surface of water groove 21.The said pressing section of going up is the loop with the respective annular plane compression fit of said connector shell 1.Certainly in other embodiments of the invention; If do not need the snug fit of end cap and connector shell; Top sealed portion can only be set on the end cap bottom surface, and corresponding to difform sealing ring, top sealed portion is not to have only a kind of flute profile formula yet; Also can be plane or cambered surface, and the mouth that top sealed portion also can directly be arranged at the water groove be along last.
The place of keeping to the side of end cap 2 is useful on the connecting hole 25 that is connected with connector shell 1 along circle distribution; End cap end face around each connecting hole 25 is provided with the installation step 26 that is lower than end cap end face middle part; Screw 27 passes connecting hole 25 and penetrates on the connector shell 1 in the corresponding screw hole that is provided with and end cap 2 and connector shell 1 are fixed together, and will seal disc 3 and be pressed between end cap and the connector shell.The corner location of said end cap 2 also is provided with arc notch 28, and arc notch 28 is used to dodge the panel bolts installing hole 14 on the connector shell 1 of corresponding position.
As shown in Figure 1, the embodiment of above-mentioned connector structural representation in use, sealing is realized through sealing ring 7 and panel 8 in the grafting end 11 of connector shell 1, sealing is realized through packing box assembly 4 and cable 5 in the inlet wire end 13 of connector shell 1.Arrow among Fig. 1 is represented the hydraulic pressure direction.Owing to have pressure compensation opening 22 on the end cap 3; Water can get into the water groove 21 from pressure compensation opening 22; End cap 2 and water groove 21 can play the effect of buffering impulsive force; Can only make on the hydraulic pressure that part of sealing disc 3 folded (arrow that groove is interior) from 21 mouthfuls of water grooves along the top sealed portion that affacts end cap from inside to outside; And cancel out each other with the end cap 2 and the hydraulic pressure (arrow that groove is outer) of the ecto-entad effect in the slit of connector shell 1 junction; Realize the internal and external pressure balance of end cap and the connector shell place of compressing sealing disc, avoid the long-term one-sided stressed state of seal disc sheet, thereby reduced the generation of the seal failure problem of sealing disc.Through above structure; Efficiently solve the problem of the stressed easy inefficacy of sealing ring; Increase behind the balancing hole operating position that can observe sealing ring under without the situation of knockout screw simultaneously, in time pinpointed the problems, be convenient to better replacing; Improve the useful life of sealing disc, improved the reliability of the waterproof sealing of connector simultaneously.
The embodiment of above-mentioned water-proof connector is the electric connector that a kind of contact is installed through insulator; Certainly in other embodiments of the invention; Also can be optical connector or photoelectricity mixed loading connector, the form that the installation of its contact will adopt light contact assembly common in the prior art to cooperate with connector shell.
Claims (8)
1. water-proof connector; Establish the connector shell of installation channel in comprising; Connector shell comprise be used for the grafting end corresponding with intermateable connector, be used for the corresponding inlet wire end of cable and be connected in the grafting end and the inlet wire end between the part of turning round; Be provided with the contact that afterbody extends towards the part of turning round in the installation channel in the said grafting end; Offer on the outer surface of the said part of turning round communicate with installation channel, over against the window of said contact afterbody; Be equipped with the end cap that is placed on the said window on the said connector shell; It is characterized in that: be folded with the sealing disc of airtight said window between said end cap and the connector shell, be provided with the end cap mating surface corresponding with end cap on the outer surface of connector shell around the said window, the end cap mating surface comprises being used for cooperating with end cap and compressing the lower seal part that seals disc jointly around the window setting; Middle part, said end cap bottom surface is provided with the water groove over against the window place; Connect between the groove bottom of water groove and the end face of end cap and be provided with pressure compensation opening, approach on the bottom surface of end cap or directly in the notch mouth of water groove be provided with along the place with said connector shell on the lower seal part corresponding, around the top sealed portion of said water groove.
2. according to the described water-proof connector of claim l; It is characterized in that: also be provided with the following pressing section that is used for the end cap compression fit in the periphery of its lower seal part on the end cap mating surface of said connector shell, the bottom surface of said end cap is provided with and the said last pressing section of the corresponding compression fit of pressing section down.
3. water-proof connector according to claim 1; It is characterized in that: said sealing disc edge part is provided with the flange on the bottom surface, top that is raised in disc of annular spread; Said lower seal partly comprises the following installation annular groove that is used to install the flange that seals disc, and said top sealed portion comprises upward installation annular groove flange, corresponding with the said annular groove of installation down that is used to install the sealing disc.
4. water-proof connector according to claim 3 is characterized in that: the said annular groove of installation down is the low chamfering conical surface in middle height edge near the trough wall surface of window.
5. water-proof connector according to claim 3 is characterized in that: said upward installation annular groove is the low chamfering conical surface in middle height edge near the trough wall surface of said water groove.
6. according to the described water-proof connector of claim l; It is characterized in that: the place of keeping to the side of said end cap is useful on the connecting hole that is connected with connector shell along circle distribution; Other is provided with screw and passes connecting hole and penetrate on the connector shell in the corresponding screw hole that is provided with and end cap and connector shell are fixed together, and will seal disc and be pressed between end cap and the connector shell.
7. water-proof connector according to claim 6 is characterized in that: the end cap end face around said each connecting hole is provided with the installation step that is used to cooperate said screw that is lower than end cap end face middle part.
8. water-proof connector according to claim 6 is characterized in that: the corner location of said end cap also is provided with arc notch, and the connector case surface of corresponding said arc notch position is provided with the panel bolts installing hole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201110032767 CN102117991B (en) | 2011-01-30 | 2011-01-30 | Waterproof connector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201110032767 CN102117991B (en) | 2011-01-30 | 2011-01-30 | Waterproof connector |
Publications (2)
Publication Number | Publication Date |
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CN102117991A CN102117991A (en) | 2011-07-06 |
CN102117991B true CN102117991B (en) | 2012-12-26 |
Family
ID=44216635
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN 201110032767 Expired - Fee Related CN102117991B (en) | 2011-01-30 | 2011-01-30 | Waterproof connector |
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CN (1) | CN102117991B (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104538782B (en) * | 2014-12-19 | 2023-05-05 | 连展科技电子(昆山)有限公司 | Waterproof socket electric connector |
JP6693795B2 (en) * | 2016-04-11 | 2020-05-13 | ホシデン株式会社 | Waterproof electronic components |
CN106908906A (en) * | 2017-03-01 | 2017-06-30 | 上海传输线研究所(中国电子科技集团公司第二十三研究所) | A kind of right-angle type joints of optical fibre |
CN111106477B (en) * | 2019-12-09 | 2021-09-10 | 中航光电科技股份有限公司 | Power connector connected with aluminum-based lead |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4655534A (en) * | 1985-03-15 | 1987-04-07 | E. F. Johnson Company | Right angle coaxial connector |
EP1588460B1 (en) * | 2003-01-08 | 2006-07-26 | Fischer Connectors Holding SA | Elbow-shaped electric plug |
CN201156624Y (en) * | 2008-02-15 | 2008-11-26 | 瞿金良 | Sealing type fast interposing self-locking RF coaxial connector |
US7594821B1 (en) * | 2008-09-17 | 2009-09-29 | Yazaki North America, Inc. | Sealing gap formed by assembled connector parts |
CN202068014U (en) * | 2011-01-30 | 2011-12-07 | 中航光电科技股份有限公司 | Water-proof connector |
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2011
- 2011-01-30 CN CN 201110032767 patent/CN102117991B/en not_active Expired - Fee Related
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CN102117991A (en) | 2011-07-06 |
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C14 | Grant of patent or utility model | ||
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121226 Termination date: 20190130 |
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CF01 | Termination of patent right due to non-payment of annual fee |