CN2553528Y - Water-tight electric connector - Google Patents
Water-tight electric connector Download PDFInfo
- Publication number
- CN2553528Y CN2553528Y CN 02274219 CN02274219U CN2553528Y CN 2553528 Y CN2553528 Y CN 2553528Y CN 02274219 CN02274219 CN 02274219 CN 02274219 U CN02274219 U CN 02274219U CN 2553528 Y CN2553528 Y CN 2553528Y
- Authority
- CN
- China
- Prior art keywords
- seal
- socket casing
- socket
- contact pin
- jack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a watertight electric connector, which is divided into a plug and a socket. One end of the inner casing in the plug has an ejection platform, an elastic blocking ring and a fastening nut are arranged in the inner side of the ejection platform out of the inner casing; the jack is positioned in the inner casing; clearance is reserved between one end of the jack and the end of the inner casing, forming a subsidence round hole. Moreover, a sealing seat A takes a column structure which has gap for inserting a pin; the edge of the side wall of the sealing seat is provided with a crescent-shaped groove, and a lead is sealed at the other end of the jack by the sealing body A; wherein, the contact pin in the socket is correspondingly arranged on the hole of a supporting block; in the socket casing, the inner wall at the front part of the socket casing is provided with a ring groove, the cavity of the groove is provided with a cylinder-shaped sealing seat B; the side wall of the cylinder-shaped sealing seat cooperates with the groove of the socket casing; and the edge of the side wall is provided with a crescent-shaped ejection platform, the bottom center of the crescent-shaped ejection platform is provided with a contact pin and closely contacts with the supporting block. Besides, the root of the contact pin is provided with a cone-shaped platform; the back of the socket casing is sealed by the sealing body B, and the outer walls of the front and the back ends of the sealing body are all provided with screws. The utility model has perfect watertight effect.
Description
Technical field
The utility model relates to power supply and uses and the signal electrical connector specifically a kind of watertight electrical connector.
Background technology
Present domestic existing watertight electrical connector, hermetically-sealed construction mostly are the sealing of end face ' O ' circle, and form is single, makes watertightness to be guaranteed fully; Draw bail mostly is flange form and connects, and form is single, makes applicability be very limited.At convenience, the reliability of connection and the aspects such as corrosion resistance under the water environment of deep-sea used, all there is defective in various degree in addition; Product fails to reach standardization, seriation.
The utility model content
In order to overcome above-mentioned deficiency, the purpose of this utility model provides the watertight electrical connector of a kind of power supply usefulness and signal usefulness good sealing effect.
The technical solution of the utility model is: be divided into plug and socket two parts, wherein: described plug is by locking nut, jack, inner housing, circlip, interior external seal is formed with seal receptacle A and seal A, inner housing one end has protruding platform, and circlip and locking nut are sleeved on outside the inner housing, is stuck in protruding platform inboard, jack is arranged in the inner housing, the gap is left in jack one end distance inner housing end, forms the sinking circular hole, and seal receptacle A forms column structure for leaving contact pin with the space, have a crescent shaped groove that plays the role of positioning in sidewall edge, seal A envelope lead is in the jack other end;
Described socket is by sealing seal B, rest pad, seal receptacle B, Socket casing, contact pin, sealing ' O ' circle, packing ring and attaching nut form, and rest pad is provided with at least 3 holes, and the contact pin correspondence is installed on the hole of rest pad, both together pack in the Socket casing, the Socket casing front inner wall is established annular groove, in its groove cavity seal receptacle B is installed, and seal receptacle B is simple shape, its sidewall and Socket casing groove fit, have a crescent boss that plays the role of positioning in sidewall edge, match, in the middle of its simple shape bottom contact pin is installed with seal receptacle A crescent shaped groove, and closely contact with rest pad, around the contact pin root, establish frustum; The Socket casing rear portion encapsulates with seal B, and Socket casing front and back ends outer wall is equipped with screw thread;
Be installed in the Socket casing rear end with the attaching nut, form annular groove on Socket casing, the two side is put into ' O ' circle and packing ring, the threaded engagement of attaching nut and Socket casing rear end respectively in the annular groove; Be packed in the Socket casing rear end with flange, put ' O ' and enclose in the flange on the Socket casing ' O ' circle mounting groove; Seal A planform is linear pattern or L type; Jack, contact pin quantity are 3,6,8 pairs, or more than 8 pairs; Seal A, seal receptacle A and seal receptacle B adopt chloroprene rubber material; Seal B adopts epoxide resin material; Socket casing, inner housing adopt metal material.
The utlity model has following advantage:
1. watertight is effective.At the critical watertightness requirement of underwater electrical connector, the utility model has adopted the multi-sealed mode of multiple spot, promptly the compression fit of the sinking rubber circular hole of rubber frustum by socket contact pin root and plug-socket end independently seals contact pin jack each; The compression fit on the seal receptacle A plane of the vulcanized rubber material bottom metal material Socket casing end face and plug (producing axial pressing force by the locking nut that screws) is carried out whole sealing to all contact pin jacks of connector; Seal receptacle A and seal receptacle B, seal A and seal B effect by encapsulating epoxy resin and chloroprene rubber material seal plug and socket self; By ' O ' circle, connecting portion is sealed again.Above-mentioned structural design and sealing are arranged, and make the watertightness of the utility model series underwater electrical connector obtain the assurance of fullest.
2. wide adaptability is practical.The working pressure range of the utility model series underwater electrical connector is 0~6.895Mpa, surpasses under 500 meters the environment in the depth of water still can guarantee trouble free service.The plug design of the jack design that long and short through-the-wall is connected with flange form and straight formula and right-angle type has been expanded its usage space and application.
3. good electrical characteristics.Can bear the Hi-pot test of 1500VDC between the line of the utility model connector and line and line and the shell, insulation resistance is less than 100 megaohms, and the maximum current leakage rate is 10 microamperes.
4. novel structure compactness, contact pin, jack arrange and the locate mode arrangement reasonable, simple to operate.The moon on the utility model plug and socket, positive circular arc column location structure design makes the quick and easy for installation of connector, and not having misloading extremely may.Locking nut makes connection more reliable.Two apertures on it, the purpose that both can be used for installing force-multiplier tool also can be used for the purpose of procuratorial work: check that whether the socket end face correctly contacts with the plug bottom surface and cooperate, and has fully guaranteed the reliability that connects; The application of socket rest pad makes arranging and locating more accurately and reliably of contact pin; The application of back-up ring makes that the fractionation of connector is lighter, or the like.These all are that the connector use provides a great convenience.
5. the utility model signal cable and power supply cable all can use.
Description of drawings
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model plug construction schematic diagram.
Fig. 3 is the utility model socket schematic diagram.
Fig. 4 is the left view of Fig. 3.
Embodiment
Below in conjunction with drawings and Examples in detail the utility model is described in detail.
As Fig. 1, shown in 2, be divided into plug 1 and socket 2 two parts, wherein: described plug 1 is by locking nut 11, jack 12, inner housing 13, circlip 14, interior external seal is formed with seal receptacle A15 and seal A16, and inner housing 13 1 ends have protruding platform, circlip 14 and locking nut 11 are sleeved on outside the inner housing 13, be stuck in protruding platform inboard, jack 12 is arranged in the inner housing 13, and the gap is left in jack 12 1 end distance inner housings 13 ends, form the sinking circular hole, seal receptacle A15 forms column structure for leaving contact pin with the space, has a crescent shaped groove that plays the role of positioning (cloudy formula) in sidewall edge, and seal A16 envelope lead is in jack 12 other ends;
As Fig. 3, shown in 4, described socket 2 is by sealing seal B21, rest pad 22, seal receptacle B23, Socket casing 24, contact pin 25, sealing ' O ' circle 26, packing ring 27 and attaching nut 28 form, rest pad 22 is provided with at least 3 holes, and contact pin 25 correspondences are installed on the hole of rest pad 22, and both together pack in the Socket casing 24, Socket casing 24 front inner wall are established annular groove, in its groove cavity seal receptacle B23 is installed, seal receptacle B23 is a tubular, its sidewall and Socket casing 24 groove fit, has a crescent boss that plays the role of positioning (positive formula) in sidewall edge, match with seal receptacle A15 crescent shaped groove, contact pin 25 is installed in the middle of its cylindrical base, and closely contact with rest pad 22, play a part fixing and sealing contact pin 25, around contact pin 25 roots, establish frustum; Socket casing 24 rear portions encapsulate with seal B21, and Socket casing 24 front and back ends outer walls are equipped with screw thread;
Seal A16, seal receptacle A15 and seal receptacle B23 adopt chloroprene rubber material; Seal B21 adopts epoxide resin material; Socket casing 24, inner housing 13 adopt the stainless steel metal material;
Present embodiment is worn wall and mistake by Socket casing 24, be installed in Socket casing 24 rear ends with attaching nut 28 again, on Socket casing 24, form annular groove, put ' O ' circle 26 in the annular groove in ' O ' of Socket casing 24 circle mounting groove, packing ring 27 places attaching nut's 28 1 sides, the threaded engagement of attaching nut 28 and Socket casing 24 rear ends; According to the difference that wall thickness is installed, the annular groove spacing of formation is also different, thereby the utility model can be divided into the long and short two kinds of forms of wall of wearing; For avoiding obstacles, seal A16 planform is the L type; Jack 12, contact pin 25 quantity are 6 pairs.
The realization of the utility model sealing has four kinds of modes:
When 1) plug 1 was connected with socket 2, contact pin 25 aligned with jack 12, and the compression fit of the sinking rubber circular hole of the rubber frustum of contact pin 25 roots of socket 2 and jack 12 ends of plug 1 independently seals contact pin jack each;
2) cooperate by externally threaded the screwing of the locking nut on the plug 1 11, socket 2 and plug 1 are combined closely, and utilize the distortion of contact site seal receptacle A15 elastomeric material, realize sealing with socket 2 inner housings 13 front ends;
3) by seal receptacle A15 and seal receptacle B23, seal A16 and the seal B21 effect of encapsulating epoxy resin and chloroprene rubber material, plug 1 and socket 2 are sealed self;
4) seal by 26 pairs of connecting portions of ' O ' circle again.
The utility model working pressure range is 0~6.895Mpa, surpasses under 500 meters the environment in the depth of water still can guarantee trouble free service.Can bear the Hi-pot test of 1500VDC between the line of connector and line and line and the shell, insulation resistance is less than 100 megaohms, and the maximum current leakage rate is 10 microamperes.
Be with the embodiment difference:
Be installed in Socket casing 24 rear ends with flange, on Socket casing 24, form annular groove, put into ' O ' circle 26 and packing ring 27 in the annular groove; Seal A16 planform is a linear pattern; Jack 12, contact pin 25 quantity also are 8 pairs.
Jack 12 described in the utility model, contact pin 25 quantity also can be 3 pairs, or more than 8 pairs.
Claims (6)
1. watertight electrical connector, it is characterized in that: be divided into plug (1) and socket (2) two parts, wherein: described plug (1) is by locking nut (11), jack (12), inner housing (13), circlip (14), interior external seal is formed with seal receptacle A (15) and seal A (16), inner housing (13) one ends have protruding platform, circlip (14) and locking nut (11) are sleeved on outside the inner housing (13), be stuck in protruding platform inboard, jack (12) is arranged in the inner housing (13), and the gap is left in jack (12) one end distance inner housing (13) ends, form the sinking circular hole, seal receptacle A (15) forms column structure for leaving contact pin with the space, has a crescent shaped groove that plays the role of positioning in sidewall edge, and seal A (16) envelope lead is in jack (12) other end;
Described socket (2) is by sealing seal B (21), rest pad (22), seal receptacle B (23), Socket casing (24), contact pin (25), sealing ' O ' circle (26), packing ring (27) and attaching nut (28) form, and rest pad (22) is provided with at least 3 holes, and contact pin (25) correspondence is installed on the hole of rest pad (22), both together pack in the Socket casing (24), Socket casing (24) front inner wall is established annular groove, and seal receptacle B (23) is installed in its groove cavity, and seal receptacle B (23) is a tubular, its sidewall and Socket casing (24) groove fit, have a crescent boss that plays the role of positioning in sidewall edge, match, contact pin (25) is installed in the middle of its cylindrical base with seal receptacle A (15) crescent shaped groove, and closely contact with rest pad (22), around contact pin (25) root, establish frustum; Socket casing (24) rear portion encapsulates with seal B (21), and Socket casing (24) front and back ends outer wall is equipped with screw thread.
2. according to the described watertight electrical connector of claim 1, it is characterized in that: be installed in Socket casing (24) rear end with attaching nut (28), go up the formation annular groove at Socket casing (24), the two side is put into ' O ' circle (26) and packing ring (27), the threaded engagement of attaching nut (28) and Socket casing (24) rear end respectively in the annular groove.
3. according to claim 1 or 2 described watertight electrical connectors, it is characterized in that: be packed in Socket casing (24) rear end with flange, put ' O ' circle (26) in the circle of the flange ' O ' on the Socket casing (24) mounting groove.
4. according to the described watertight electrical connector of claim 1, it is characterized in that: seal A (16) planform is linear pattern or L type.
5. according to the described watertight electrical connector of claim 1, it is characterized in that: jack (12), contact pin (25) quantity are 3,6,8 pairs, or more than 8 pairs.
6. according to the described watertight electrical connector of claim 1, it is characterized in that: seal A (16), seal receptacle A (15) and seal receptacle B (23) adopt chloroprene rubber material; Seal B (21) adopts epoxide resin material; Socket casing (24), inner housing (13) adopt metal material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02274219 CN2553528Y (en) | 2002-07-17 | 2002-07-17 | Water-tight electric connector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 02274219 CN2553528Y (en) | 2002-07-17 | 2002-07-17 | Water-tight electric connector |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2553528Y true CN2553528Y (en) | 2003-05-28 |
Family
ID=33738521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 02274219 Expired - Fee Related CN2553528Y (en) | 2002-07-17 | 2002-07-17 | Water-tight electric connector |
Country Status (1)
Country | Link |
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CN (1) | CN2553528Y (en) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101536270B (en) * | 2006-09-11 | 2011-11-09 | Jst公司 | In-line sealed electrical connector apparatus |
CN103855515A (en) * | 2012-12-07 | 2014-06-11 | 中国科学院沈阳自动化研究所 | Misplug-preventing watertight connector |
CN106289382A (en) * | 2015-06-08 | 2017-01-04 | 伊玛精密电子(苏州)有限公司 | Antiacid alkali all-metal flow temperature sensor |
CN108565653A (en) * | 2018-04-04 | 2018-09-21 | 江苏华吉通信科技有限公司 | High voltage bearing radio frequency (RF) coaxial connector contact pin |
CN110190474A (en) * | 2019-05-24 | 2019-08-30 | 福建星海通信科技有限公司 | A kind of battery contact |
-
2002
- 2002-07-17 CN CN 02274219 patent/CN2553528Y/en not_active Expired - Fee Related
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101536270B (en) * | 2006-09-11 | 2011-11-09 | Jst公司 | In-line sealed electrical connector apparatus |
CN103855515A (en) * | 2012-12-07 | 2014-06-11 | 中国科学院沈阳自动化研究所 | Misplug-preventing watertight connector |
CN103855515B (en) * | 2012-12-07 | 2017-02-08 | 中国科学院沈阳自动化研究所 | Misplug-preventing watertight connector |
CN106289382A (en) * | 2015-06-08 | 2017-01-04 | 伊玛精密电子(苏州)有限公司 | Antiacid alkali all-metal flow temperature sensor |
CN108565653A (en) * | 2018-04-04 | 2018-09-21 | 江苏华吉通信科技有限公司 | High voltage bearing radio frequency (RF) coaxial connector contact pin |
CN108565653B (en) * | 2018-04-04 | 2023-12-15 | 江苏昕讯光电科技有限公司 | High-voltage-resistant contact pin for radio frequency coaxial connector |
CN110190474A (en) * | 2019-05-24 | 2019-08-30 | 福建星海通信科技有限公司 | A kind of battery contact |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C19 | Lapse of patent right due to non-payment of the annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |