CN106099516A - A kind of electric connector accessory and use the electric connector of this adnexa - Google Patents
A kind of electric connector accessory and use the electric connector of this adnexa Download PDFInfo
- Publication number
- CN106099516A CN106099516A CN201610376468.XA CN201610376468A CN106099516A CN 106099516 A CN106099516 A CN 106099516A CN 201610376468 A CN201610376468 A CN 201610376468A CN 106099516 A CN106099516 A CN 106099516A
- Authority
- CN
- China
- Prior art keywords
- electric connector
- ring
- hold
- face
- sleeve
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
- H01R13/59—Threaded ferrule or bolt operating in a direction parallel to the cable or wire
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5205—Sealing means between cable and housing, e.g. grommet
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention provides a kind of electric connector accessory and use the electric connector of this adnexa.The hold-down ring of the electric connector accessory of the present invention, sealing ring and extrusion are slidedly assemblied in the inner chamber of sleeve rear end successively, during sleeve rear end screws on nut, move forward on nut, extrusion is driven to move forward sealing ring is applied extruding force, sealing ring compressive deformation also radially deforms, the inner peripheral surface of deformation increasing back sealing ring is adjacent to cable, outer peripheral face is adjacent to sleeve, play sealing effectiveness, meanwhile, this extruding force passes to hold-down ring by sealing ring, under the effect of the throat structure on sleeve lining, hold-down ring radially shrinks, clamping cables.So, it is only necessary to tightening nuts just can the sealing of the completeest paired cable and clamping, simplify installation process, decrease the quantity of parts, also make electric connector accessory simple in construction simultaneously, cost reduces.
Description
Technical field
The present invention relates to electric connector field, particularly to a kind of electric connector accessory and electric connector.
Background technology
During the use of electric connector, often by electric connector accessory, electricity need to be connect device and protect, to meet
The requirement of the waterproof and tension of electric connector.Common electric connector accessory as it is shown in figure 1, include straight sleeve 11, straight sleeve 11
Front end is used for connecting electric connector, and cable 16 enters in the inner chamber of electric connector accessory in the opening from nut 15, sleeve 11
Being set with rubber ring 14 in being set with hold-down ring 13 hold-down ring 13 in the inner chamber of rear end, O 12 is arranged on straight sleeve 11 and pressure
Between tight ring 13, it is achieved sealing between the two, nut 15, by being threadably mounted at straight sleeve 11 end, is screwed into directly at nut 15
During sleeve 11, nut 15 applies power radially to hold-down ring 13, makes hold-down ring 13 by radial contraction, is pressed by rubber ring 14
It is tightened on cable 16, it is achieved waterproof effect.During for avoiding cable 16 tension, solder joint stress disengages, encapsulating at spot area A, shape
Become encapsulating region B, by encapsulating region B, solder joint is protected, it is to avoid solder joint stress, make electric connector have certain tension
Performance.But, the manufacture process of this electric connector accessory needs workman have certain technological operation ability, and uses specially
Frock, to ensure being smoothed out of encapsulating, after encapsulating, cable is fixed, non-dismountable, and glue cure cycle is longer,
Affect the mass production of product.
For the problems referred to above, market also occurs in that some realize by frame for movement that electric connector is waterproof and tensile property
Electric connector, such as application publication number is CN 103560335 A, and Shen Qing Publication day is that the Chinese patent of 2014.02.05 is public
The attachment structure of a kind of submerged cable opened, including electric connector and mechanical connecting structure, mechanical connecting structure i.e. electric connector
Adnexa, this mechanical connecting structure includes union, and union i.e. sleeve is cased with fixture block in union inner chamber, fixture block i.e. hold-down ring, middle tight
Firmware front end is stretched in union inner chamber and is threaded connection, and fixture block is applied axial by the front end face of middle securing member
Power, makes male cone (strobilus masculinus) and the chucking power of the inner conical surface interaction shape paired cable in union inner chamber of fixture block, prevents cable axial
Mobile, make electric connector have and prevent drawing performance, inner conical surface i.e. throat structure.The inner chamber of middle securing member rear end is set with successively
Sealing ring, wedging ring and cushion block, wedging ring i.e. extrusion, in the middle of nut precession in the inner chamber of securing member rear end, and passes through cushion block
Wedging circulating application is added the power on axially, makes wedging ring crush seal annular strain, reach the effect of waterproof sealing.Can by above-mentioned analysis
Know, when this mechanical connecting structure realizes that electric connector is anti-to be drawn with waterproof sealing effect, need to screw middle securing member and spiral shell respectively
Two parts of cap, so on the one hand add the quantity of part, and the structure making electric connector accessory is complicated, and cost increases, another
Aspect is wanted to screw for twice when using, complex installation process.
Summary of the invention
It is an object of the invention to provide a kind of simple in construction, low cost and the simple electric connector accessory of installation；Meanwhile,
The present invention also provides for a kind of electric connector using this adnexa.
For achieving the above object, the technical scheme of electric connector accessory of the present invention is: a kind of electric connector accessory, including edge
Sleeve that fore-and-aft direction extends and be located at the nut of its rear end, in the inner chamber of sleeve, have can be with the pressure of its radial contraction for slidable fit
Tight ring, is additionally provided with the throat structure coordinated with hold-down ring in barrel bore, also include sealing ring and for sealing ring is extruded with
The extrusion that it radially deforms, described sealing ring is made to be located in the inner chamber of described sleeve and be in hold-down ring rear, described
The front end face of sealing ring is directly pushed up press-fit with the rear end face of described hold-down ring or is slidedly assemblied in described sleeve by guiding
Top-pressure part top press-fit in chamber, described extrusion guides in the inner chamber being slidedly assemblied in described sleeve, and front end face is with described
Pivoting friction top press-fit inside the end face of the press-fit of sealing ring top, rear end face and described nut.
Described extrusion is the extrusion ring that the inwall guiding movement with described sleeve coordinates.
Described extrusion ring rear end face is provided with the extension extended back, and the rear end face of extension is and the end of described nut
The arcwall face that inside face, pivoting friction coordinates.
Described hold-down ring front end is splitted structure, and rear end is provided with the land for being slidably matched with the inwall of described sleeve,
Described splitted structure is formed can be along described hold-down ring radial contraction to form the bullet pawl of chucking power to cable.
It is provided with projection inside the bullet pawl of described hold-down ring.
Described projection is the annular protrusion around described hold-down ring axis.
Described bullet pawl outer peripheral face is on same male cone (strobilus masculinus), and described throat structure is by being located on described sleeve lining and institute
State the inner conical surface composition that male cone (strobilus masculinus) coordinates.
The tapering of described inner conical surface is more than the tapering of described male cone (strobilus masculinus).
The technical scheme of the electric connector of the present invention is: electric connector, and including electric connector accessory, described electric connector is attached
Part includes the sleeve extended along the longitudinal direction and be located at the nut of its rear end, and in the inner chamber of sleeve, have can with it radially for slidable fit
The hold-down ring shunk, is additionally provided with the throat structure coordinated with hold-down ring, also includes sealing ring and for sealing in barrel bore
Ring extruding is so that its extrusion radially deformed, after described sealing ring is located in the inner chamber of described sleeve and is in hold-down ring
Side, the front end face of described sealing ring and the rear end face of described hold-down ring are directly pushed up press-fit or are slidedly assemblied in by guiding described
Top-pressure part top press-fit in barrel bore, described extrusion guides in the inner chamber being slidedly assemblied in described sleeve, and front end face
With pivoting friction top press-fit inside the end face of described sealing ring top press-fit, rear end face and described nut.
Described extrusion is the extrusion ring that the inwall guiding movement with described sleeve coordinates.
Described extrusion ring rear end face is provided with the extension extended back, and the rear end face of extension is and the end of described nut
The arcwall face that inside face, pivoting friction coordinates.
Described hold-down ring front end is splitted structure, and rear end is provided with the land for being slidably matched with the inwall of described sleeve,
Described splitted structure is formed can be along described hold-down ring radial contraction to form the bullet pawl of chucking power to cable.
It is provided with projection inside the bullet pawl of described hold-down ring.
Described projection is the annular protrusion around described hold-down ring axis.
Described bullet pawl outer peripheral face is on same male cone (strobilus masculinus), and described throat structure is by being located on described sleeve lining and institute
State the inner conical surface composition that male cone (strobilus masculinus) coordinates.
The tapering of described inner conical surface is more than the tapering of described male cone (strobilus masculinus).
The invention has the beneficial effects as follows: the hold-down ring of the electric connector accessory of the present invention, sealing ring and extrusion are slided successively
In the dynamic inner chamber being assemblied in sleeve rear end, during sleeve rear end screws on nut, nut moves forward, drive extrusion to
Front movement is to apply extruding force to sealing ring, and sealing ring compressive deformation also radially deforms, the inner peripheral surface of deformation increasing back sealing ring
Being adjacent to cable, outer peripheral face is adjacent to sleeve, plays sealing effectiveness, and meanwhile, this extruding force passes to hold-down ring by sealing ring, at set
Under the effect of the throat structure on cylinder inwall, hold-down ring radially shrinks, clamping cables.So, it is only necessary to tightening nuts is just
Can the sealing of the completeest paired cable and clamping, simplify installation process, decrease the quantity of parts, also make to be electrically connected simultaneously
Connecing device accessory structure simple, cost reduces.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of electric connector accessory of the prior art；
Fig. 2 is the structural representation of the electric connector accessory of the present invention；
Fig. 3 is the axonometric chart of Fig. 2；
Fig. 4 is the structural representation of Fig. 2 middle sleeve；
Fig. 5 is the structural representation of hold-down ring in Fig. 2；
Fig. 6 is the use view of the electric connector accessory of the present invention.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the present invention are described further.
The specific embodiment of the electric connector accessory of the present invention, as shown in Figures 2 to 5, electric connector accessory includes along front
Rear is to the sleeve 21 extended, and in the inner chamber of sleeve 21 rear end, guiding movement turns and is furnished with hold-down ring 22, after being close to hold-down ring 22
End face is provided with top-pressure part, and top-pressure part is top pressure ring 23 in the present embodiment, and certainly, top-pressure part can also is that the top that interval is split type
Casting die.Sealing ring 24 is located between top pressure ring 23 and extrusion ring 25.During use, tightening nuts 26, nut 26 pushes away when moving forward
Dynamic extrusion ring 25 moves forward and sealing ring 24 is applied extruding force makes it deform, it is achieved sealing, top pressure ring 23 is by extruding force simultaneously
It is delivered on hold-down ring 22, makes hold-down ring 22 radially shrink, clamping cables.
The inwall of sleeve 21 is provided with inner conical surface 211, and the front end of hold-down ring 22 is splitted structure, and this splitted structure forms bullet
Pawl 221, the outer peripheral face playing pawl 221 is on same male cone (strobilus masculinus), and the tapering of the conical surface of inner conical surface 211 is more than playing outside pawl 221
The tapering of the male cone (strobilus masculinus) residing for side face, so, when hold-down ring 22 moves forward along inner conical surface 211, plays pawl 221 and receives radially
Compression stress shrink, the chucking power of shape paired cable, mode cable is axially moveable, and hold-down ring 22 can also use split type knot
Structure, i.e. each bullet pawl are separated from each other.The inner side playing pawl 221 is provided with annular protrusion 222, for increasing the bullet pawl clamping to cable
Power, this annular protrusion can also is that hemispherical protuberances.Inner conical surface 211 is to provide certain guiding when hold-down ring 22 enters
Effect, and for increase the inwall of sleeve 21 and the contact area of hold-down ring 22, certainly, inner conical surface 211 can also is that
The face of cylinder or arcwall face etc. other coordinate with the outer peripheral face of hold-down ring 22 so that can be subject to when hold-down ring 22 moves forward
The throat structure of radial compression force；The outer peripheral face playing pawl 221 can also be located on the circumferential surface, now by inner conical surface 211 to bullet
Pawl 221 applies pressure radially；The tapering of the conical surface of inner conical surface 211 is more than the cone of the male cone (strobilus masculinus) residing for outer peripheral face playing pawl 221
Degree, so can reduce the clamping stroke of hold-down ring 22, and both taperings can also be equal certainly.Hold-down ring 22 rear end is provided with land
223, land 223 external diameter is slidably matched with the inwall guiding of sleeve 21.
Sealing ring 24 is located between extrusion ring 25 and top pressure ring 23, and sealing ring 24 uses elastomeric material, extrusion ring 25 and top
Pressure ring 23 all uses hard material, top pressure ring 23 to constitute the conducting piece between sealing ring 24 and hold-down ring 22, it is, of course, also possible to do not have
Having top pressure ring 23, sealing ring 24 and hold-down ring 22 directly push up press-fit, in order to sealing ring 24 is formed squeezing action, in this enforcement
In example, extrusion ring 25 and top pressure ring 23 are made for metal material.The rear end of extrusion ring 25 is provided with the extension 251 extended back, and prolongs
The wall thickness of the section of stretching 251 is less than the wall thickness of extrusion ring 25, and rear end face is arcwall face, so can reduce nut when nut 26 rotates
The frictional force that the pushing tow face of 26 is slidably matched with extrusion ring 25, can also not have extension 251, nut 26 in other embodiments
Pushing tow face act directly on the rear end face of extrusion ring 25, the pushing tow face of nut 26 is its inner face, and extrusion ring 25 also may be used
To be interval with the extrusion of the top pressure surface pushing up press-fit with sealing ring 24.
As shown in Figure 6, when this electric connector accessory uses, tightening nuts 26, can the sealing of the completeest paired cable 16
And clamping, simplifying installation process, the quantity of parts reduces the most accordingly, so makes electric connector accessory simple in construction, cost
Lower.
The specific embodiment of the electric connector of the present invention, electric connector includes electric connector accessory, and described electric connector is attached
Part is identical with the structure of the electric connector accessory in the embodiment of above-mentioned electric connector accessory, repeats no more.
Claims (9)
1. an electric connector accessory, including the sleeve extended along the longitudinal direction and the nut being located at its rear end, the inner chamber of sleeve
Middle slidable fit has and can be additionally provided with, with the hold-down ring of its radial contraction, the throat structure coordinated with hold-down ring in barrel bore, also
Including sealing ring and for sealing ring extruding so that its extrusion radially deformed, it is characterised in that: described sealing ring
Being located in the inner chamber of described sleeve and be in hold-down ring rear, the front end face of described sealing ring is straight with the rear end face of described hold-down ring
Connecing top press-fit or the top-pressure part top press-fit being slidedly assemblied in described barrel bore by guiding, described extrusion guides sliding
In the dynamic inner chamber being assemblied in described sleeve, and front end face and described sealing ring top press-fit, the end face of rear end face and described nut
Inner side pivoting friction top press-fit.
Electric connector accessory the most according to claim 1, it is characterised in that: described extrusion is and the inwall of described sleeve
The extrusion ring that guiding movement coordinates.
Electric connector accessory the most according to claim 2, it is characterised in that: described extrusion ring rear end face is provided with and prolongs backward
The extension stretched, the rear end face of extension is the arcwall face coordinated with pivoting friction inside the end face of described nut.
4. according to the electric connector accessory described in any one of claim 1 ~ 3, it is characterised in that: described hold-down ring front end is a point lobe
Structure, rear end is provided with the land for being slidably matched with the inwall of described sleeve, and described splitted structure is formed can be along described pressure
Tight ring radial contraction to form the bullet pawl of chucking power to cable.
Electric connector accessory the most according to claim 4, it is characterised in that: it is provided with convex inside the bullet pawl of described hold-down ring
Rise.
Electric connector accessory the most according to claim 5, it is characterised in that: described projection is around described hold-down ring axis
Annular protrusion.
Electric connector accessory the most according to claim 6, it is characterised in that: described bullet pawl outer peripheral face is in same male cone (strobilus masculinus)
On, described throat structure is constituted from being located on described sleeve lining the inner conical surface coordinated with described male cone (strobilus masculinus).
Electric connector accessory the most according to claim 7, it is characterised in that: the tapering of described inner conical surface is more than described outer cone
The tapering in face.
9. electric connector, including electric connector accessory, described electric connector accessory uses as described in any one of claim 1 ~ 8
The structure of electric connector accessory.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610376468.XA CN106099516B (en) | 2016-05-31 | 2016-05-31 | A kind of electric connector accessory and the electric connector using the attachment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610376468.XA CN106099516B (en) | 2016-05-31 | 2016-05-31 | A kind of electric connector accessory and the electric connector using the attachment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106099516A true CN106099516A (en) | 2016-11-09 |
| CN106099516B CN106099516B (en) | 2018-11-13 |
Family
ID=57230500
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610376468.XA Active CN106099516B (en) | 2016-05-31 | 2016-05-31 | A kind of electric connector accessory and the electric connector using the attachment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106099516B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109217011A (en) * | 2018-08-13 | 2019-01-15 | 四川瑞可达连接系统有限公司 | C-shaped locking device and its connector |
| CN109510025A (en) * | 2018-12-11 | 2019-03-22 | 依承艺术设计（上海）有限公司 | A kind of installation method, mounting structure and sealing structure sealing waterproof connector part |
| CN109578704A (en) * | 2019-02-19 | 2019-04-05 | 海捷水下潜航器（深圳）有限公司 | Encapsulating molded line cable introduces structure and sealant pouring and sealing method |
| CN109695445A (en) * | 2017-10-24 | 2019-04-30 | 中国石油化工股份有限公司 | Cable seal passes through well-flushing tool |
| CN110459904A (en) * | 2018-06-30 | 2019-11-15 | 中航光电科技股份有限公司 | Connector fitting and connector |
| CN111326865A (en) * | 2020-03-03 | 2020-06-23 | 中海石油(中国)有限公司 | Connector suitable for oil well is three-phase power round cable in pit |
| WO2022111389A1 (en) * | 2020-11-27 | 2022-06-02 | 中航光电科技股份有限公司 | Plug and socket of connector |
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| CN101442167A (en) * | 2008-12-12 | 2009-05-27 | 熊金生 | Water-proof cable tail clip for circular electric connector |
| CN102128200A (en) * | 2010-10-26 | 2011-07-20 | 苏州瀚德光伏科技有限公司 | Lock nut |
| CN202019102U (en) * | 2011-02-25 | 2011-10-26 | 上海文依电器有限公司 | Waterproof connector of flame-proof metal cable |
| CN202217857U (en) * | 2011-08-05 | 2012-05-09 | 中航光电科技股份有限公司 | Connector sealing accessory |
| CN204597118U (en) * | 2015-05-21 | 2015-08-26 | 深圳市通茂电子有限公司 | Low-frequency electric connector shield tail clamp structure |
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2016
- 2016-05-31 CN CN201610376468.XA patent/CN106099516B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101442167A (en) * | 2008-12-12 | 2009-05-27 | 熊金生 | Water-proof cable tail clip for circular electric connector |
| CN102128200A (en) * | 2010-10-26 | 2011-07-20 | 苏州瀚德光伏科技有限公司 | Lock nut |
| CN202019102U (en) * | 2011-02-25 | 2011-10-26 | 上海文依电器有限公司 | Waterproof connector of flame-proof metal cable |
| CN202217857U (en) * | 2011-08-05 | 2012-05-09 | 中航光电科技股份有限公司 | Connector sealing accessory |
| CN204597118U (en) * | 2015-05-21 | 2015-08-26 | 深圳市通茂电子有限公司 | Low-frequency electric connector shield tail clamp structure |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695445A (en) * | 2017-10-24 | 2019-04-30 | 中国石油化工股份有限公司 | Cable seal passes through well-flushing tool |
| CN110459904A (en) * | 2018-06-30 | 2019-11-15 | 中航光电科技股份有限公司 | Connector fitting and connector |
| CN109217011A (en) * | 2018-08-13 | 2019-01-15 | 四川瑞可达连接系统有限公司 | C-shaped locking device and its connector |
| CN109510025A (en) * | 2018-12-11 | 2019-03-22 | 依承艺术设计（上海）有限公司 | A kind of installation method, mounting structure and sealing structure sealing waterproof connector part |
| CN109578704A (en) * | 2019-02-19 | 2019-04-05 | 海捷水下潜航器（深圳）有限公司 | Encapsulating molded line cable introduces structure and sealant pouring and sealing method |
| CN111326865A (en) * | 2020-03-03 | 2020-06-23 | 中海石油(中国)有限公司 | Connector suitable for oil well is three-phase power round cable in pit |
| WO2022111389A1 (en) * | 2020-11-27 | 2022-06-02 | 中航光电科技股份有限公司 | Plug and socket of connector |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106099516B (en) | 2018-11-13 |
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