CN101969163B - Connector attachment - Google Patents
Connector attachment Download PDFInfo
- Publication number
- CN101969163B CN101969163B CN 201010521713 CN201010521713A CN101969163B CN 101969163 B CN101969163 B CN 101969163B CN 201010521713 CN201010521713 CN 201010521713 CN 201010521713 A CN201010521713 A CN 201010521713A CN 101969163 B CN101969163 B CN 101969163B
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- Prior art keywords
- sleeve
- coupling nut
- connector
- cable
- stay
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Abstract
The invention relates to a connector attachment which comprises a sleeve, wherein a connecting nut is axially limited and sheathed on the front end of the sleeve, the back end of the connector attachment is provided with a cable fixing structure for fixing a cable, the front end of a connecting nut bore is provided with an internal thread matched with an external thread on the connector, a locking damp structure is arranged between the connecting nut and the sleeve, and the sleeve is provided with a locking structure matched with the structure on the connector for stopping rotation. By arranging the threads connected with the connector at the front end of the connecting nut bore to connect the connector attachment onto the connector by means of the threads, the invention avoids the problem that holding screws are lost in the transportation process in case of connection by the holding screws in the prior art.
Description
Technical field
The present invention relates to a kind of for the connector fitting that electric connector and cable is fixing.
Background technology
At present generally adopt holding screw lock or fasten fuse on bridge screw with the supporting annex of electric connector and the locking of connector.There is following problem in these two kinds of traditional approachs: holding screw equipped in annex is easily lost in transportation and use procedure.And be connected to annex on connector or unclamp annex and all holding screw must be outwarded winding and screw, using inconvenient.Fasten the fixed form of fuse on bridge screw, operation is also inconvenient.application number is that 200320126701.7 Chinese patent specification discloses a kind of connector fitting, it is by coupling nut, caulking gum, jump ring, pin, sleeve, active pull rod and cable clamping plate form, the front end of coupling nut offers set screw hole, set screw hole be used for to be installed the holding screw that connector fitting and electric connector are fixed, coupling nut is set on the side face of barrel forward end, be provided with between coupling nut and sleeve coupling nut is fixed on jump ring on sleeve, coupling nut can rotate with respect to sleeve but can not be by taking off on sleeve, the front end of sleeve endoporus is provided with the inside groove of setting-in caulking gum, be embedded with caulking gum in inside groove, the follower head place of coupling nut periphery is provided with two pull bars symmetrically, one end of two pull bars is fixed by a pin to respectively on coupling nut, the other end of two pull bars is connected by the two ends of screw with two clamping plate, the cable at connector rear end of being electrically connected passes between by two clamping plate, cable can be clamped between two clamping plate by tightening screw, in use, can produce pulling force during tow cable on cable, this pulling force is passed to pull bar by clamping plate and is passed to sleeve by pull bar, and finally pass to the fixedly device panel of electric connector, bear this pulling force by device panel, prevent that the pulling force on cable from pulling down cable from electric connector, damage electric connector.This connector fitting is namely to be connected with electric connector by the holding screw that the coupling nut front end arranges, and just there is the top said problem that holding screw is easily lost in the transportation of annex in this.
Summary of the invention
The object of the present invention is to provide a kind of connector fitting, when to solve the available technology adopting holding screw, connector fitting and connector being connected, the easy problem of loss of holding screw in the process of transportation annex.
For achieving the above object, the present invention adopts following technical scheme: a kind of connector fitting, comprise sleeve, the front end axial limiting of sleeve is set with coupling nut, the rear end of connector fitting has the cable immobilizing structure for fixed cable, the front end of described coupling nut endoporus is provided with the internal thread that coordinates for external screw thread on connector, have between coupling nut and sleeve and only revolve damping structure, described sleeve be provided with for connector on the spline structure of respective outer side edges spline.
The described damping structure that only revolves comprises the interior stay of fit clearance that is arranged on coupling nut and sleeve, the middle part of stay is segmental arc, the two ends of segmental arc have the planar section tangent with segmental arc, stay is fixed on coupling nut by the segmental arc at its middle part, the planar section at stay two ends is pressed on the outer peripheral face of sleeve, is provided with the fin that coordinates with the side face tooth clamping stagnation that arranges on the sleeve outer peripheral face on the planar section at stay two ends.
Described fin is that cross section is leg-of-mutton strip fin.
Described stay is fixed on coupling nut by rivet.
described cable immobilizing structure comprises support, the front end of support is provided with the retaining thread of fixing with sleeve and uses the hole, support uses by retaining thread that the hole is removable to be fixed on sleeve, described cable immobilizing structure is for being fixed on two cable pressure strips that cooperatively interact of back-end support by the cable hold-down screw, described support is the strip shape body with two side planes, retaining thread is arranged on the flat anterior axis in both sides perpendicular to side plane with the hole, the rear end of support has end face perpendicular to the lug of side plane, lug has the hole of passing for the cable hold-down screw, the axis in the hole that confession cable hold-down screw passes is perpendicular to the end face of lug.
Be coated with inner sleeve in the endoporus of described sleeve, inner sleeve is fixed in sleeve by its front portion, and the rear end of inner sleeve is arranged with for the clamping sleeve that puts in the tubular gauze screen outside cable is pressed on.
Has the terrace of presenting a theatrical performance as the last item on a programme towards the top of rear end on the outer peripheral face of described inner sleeve front portion, push up the step surface top interference fit that arranges on present a theatrical performance as the last item on a programme terrace and sleeve endoporus, the endoporus step surface top interference fit of the front end face of inner sleeve and coupling nut, the top of inner sleeve are presented a theatrical performance as the last item on a programme to be provided with between the mating surface of side face before terrace and sleeve endoporus and are only revolved key.
Described spline structure is to be arranged on the front end face of inner sleeve by interior being set in to be used for coordinating with the end tooth on connector the end tooth of anti-rotation on sleeve.
Described coupling nut is arranged on sleeve by being arranged on the jump ring axial limiting that connects between sieve cap and sleeve.
the front end of coupling nut endoporus of the present invention is provided for the screw thread that is connected with connector, by screw thread, connector fitting is connected on connector, when having avoided the available technology adopting holding screw to connect, the problem that the holding screw that occurs in transportation is lost, be provided with between coupling nut of the present invention and sleeve and only revolve damping structure, have on sleeve with connector on the structure of respective outer side edges spline, only revolve damping structure and prevent that coupling nut from arbitrarily rotating with respect to sleeve, spline structure prevents that sleeve from rotating with respect to connector, therefore coupling nut can arbitrarily not rotate with respect to connector, that is to say that being threaded between coupling nut and connector can not become flexible, therefore, connector fitting can not come off from connector.
the damping structure that only revolves of the present invention is the stay that is arranged within the fit clearance of coupling nut and sleeve, the middle part of stay is arc, segmental arc by rivet on coupling nut, two ends are the planar section tangent with the middle part, be provided with the strip fin on the planar section at the two ends of stay, the cross section of strip shape body fin is triangle, the planar section at stay two ends is pressed on the side face that is provided with the side face tooth of sleeve, the strip fin is stuck in the teeth groove of side face tooth, when coupling nut being applied twisting resistance and twisting resistance when enough large, when coupling nut rotates with respect to sleeve, side face tooth pushing fin, the stay distortion is close to the inner hole wall of coupling nut, coupling nut rotates with respect to sleeve, as large not in twisting resistance, the side face tooth can't overcome the elastic force of stay, can not make the stay distortion, coupling nut can not rotate with respect to sleeve, thereby play the effect in relative rotation between damping coupling nut and sleeve, owing to having spline structure between sleeve and connector shell, both can not relatively rotate, therefore, coupling nut can not arbitrarily rotate with respect to connector shell, thereby avoid thread looseness between the two.The damping structure that only revolves of the present invention is stay, it is simple in structure, damping is good, because the cross section of the fin that works is triangle, can change the gradient of leg-of-mutton action edge, adjust the size of damping, can also adjust simultaneously the gradient of leg-of-mutton two action edge, make between the two there are differences, when allowing coupling nut be tightened on connector, damping force is little, and the damping force when coupling nut unscrews with respect to connector shell is large, like this, when vibrations were arranged, coupling nut can revolve tighter and tighter on connector, can not become flexible.
The front end of support of the present invention is provided with the retaining thread of fixing with sleeve and uses the hole, support is fixed on sleeve by screw is removable, unscrew the angle between screw adjustable support and sleeve, then tightening screw is fixed on support on sleeve, the outlet angle of capable of regulating cable, the same annex can provide different outlet angles, to satisfy different user demands.
Description of drawings
Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention;
Fig. 2 is coupling nut in Fig. 1, sleeve and the assembling schematic diagram that only revolves damping structure between the two,
Fig. 3 is the front view of the coupling nut in Fig. 1;
Fig. 4 is the stereogram of the coupling nut in Fig. 1;
Fig. 5 is the structural representation of inner sleeve in Fig. 1;
Fig. 6 is the left view of Fig. 5;
Fig. 7 is the stereogram of inner sleeve in Fig. 1;
Fig. 8 is the structural representation of Fig. 1 middle sleeve;
Fig. 9 is the left view of Fig. 8;
Figure 10 is the right view of Fig. 8;
Figure 11 is the structural representation of Fig. 1 medium-height trestle;
Figure 12 is the left view of Figure 11;
Figure 13 is the right view of Figure 11;
Figure 14 is the stereogram of Fig. 1 medium-height trestle;
Figure 15 is the front view of stay in Fig. 1;
Figure 16 is the left view of Figure 15;
Figure 17 is the upward view of Figure 15;
Figure 18 is the stereogram of stay in Fig. 1.
Embodiment
a kind of embodiment of connector fitting, in Fig. 1 ~ 18, this connector fitting comprises sleeve 3, the front end periphery of sleeve 3 is set with coupling nut 4, arrange between the mating surface of coupling nut 4 and sleeve 3 coupling nut 4 is arranged on jump ring 7 on sleeve 3, jump ring 7 is positioned at the rear portion of coupling nut 4, the front end of coupling nut 4 extends to the front portion of sleeve, coupling nut 4 extends to the diameter of endoporus of part of sleeve front portion less than the diameter of rear end, has step surface between enlarged diameter section and reduced diameter section, has internal thread on the hole wall of the small diameter inner hole of coupling nut 4, this internal thread is used for locking with the external screw thread of connector shell rear end setting, connector fitting is arranged on connector.has fit clearance in the place ahead of jump ring 7 between coupling nut 4 and sleeve 3, be provided with stay 6 in this fit clearance, segmental arc during stay 6 comprises, the radius of curvature approximately equal of the radius of curvature of segmental arc and coupling nut endoporus, the two ends of segmental arc have the planar section tangent with segmental arc, stay 6 is fixed on coupling nut 4 by rivet 5, the riveting point of stay 6 is positioned at the middle part of the segmental arc of stay, two planar sections of stay 6 are pressed on the side face of sleeve 3, has the triangle side face tooth 16 that extends vertically on sleeve 3 and side face section that the planar section of stay coordinates, the planar section of stay 6 has the fin 19 towards sleeve, fin 19 is that cross section is leg-of-mutton strip fin, fin 19 coordinates with the mutual block card of side face tooth 16, because the stay riveted joint is fixed on coupling nut 4, and the fin 19 on stay 6 coordinates with the mutual block card of side face tooth 16 on sleeve, therefore, stay 6 can prevent that coupling nut 4 from freely rotating with respect to sleeve 3, and stay 6 has elasticity, again can be with coupling nut 4 turns when applying larger power.The gradient of the two sides by changing triangle side face tooth 16 can change the power of turn coupling nut, can adjust the oblique gradient in two sides of side face tooth 16, make coupling nut rotate to the direction that screws with connector the power that needs little, the power that needs to the direction rotation that unscrews is large, like this, in when vibration, between connector fitting and connector to be connected meeting more and more tighter.
the endoporus of sleeve 3 is the little shoulder hole of point diameter large rear end diameter, be equipped with inner sleeve 2 in the endoporus of sleeve 3, has the terrace 20 of presenting a theatrical performance as the last item on a programme towards the top of rear end on the outer peripheral face of inner sleeve 2, push up the step surface top interference fit of present a theatrical performance as the last item on a programme terrace 20 and sleeve endoporus, the endoporus step surface top interference fit of the front end face of inner sleeve 2 and coupling nut 4, the present a theatrical performance as the last item on a programme hole wall applying of the larger endoporus of the larger side face section of diameter before terrace and sleeve 3 endoporus point diameters of the top of inner sleeve 2, present a theatrical performance as the last item on a programme and have the gap between the hole wall of the less endoporus of the less side face section of diameter after terrace and sleeve 3 endoporus rear end diameters in the top of inner sleeve 2, present a theatrical performance as the last item on a programme to have on the larger side face section of diameter before terrace and only revolve keyway 15 in the top of inner sleeve 2, be provided with on the hole wall of the endoporus that sleeve 3 endoporus point diameters are larger with only revolve that keyway 15 coordinates spline only revolve key, only revolve key mapping and prevent that in only revolving keyway 15 inner sleeve 2 is with respect to sleeve 3 rotations, and the front end face of inner sleeve 2 pushes up on the step surface of the endoporus that is pressed in coupling nut 4, the top of inner sleeve 2 terrace of presenting a theatrical performance as the last item on a programme pushes up again the step surface of the endoporus that is pressed in sleeve, therefore, inner sleeve 2 is fixed on sleeve 3, in the present embodiment, only revolve keyway 15 and be groove, its front end extends to the front end face of inner sleeve, the rear end extends to present a theatrical performance as the last item on a programme terrace place, top, only revolving key is wholely set on the inner hole wall of sleeve, equating with the present a theatrical performance as the last item on a programme radial dimension of the step surface that terrace coordinates of top on the radial dimension that only revolves key and sleeve endoporus, also can be understood as, front end expansion at the sleeve endoporus is provided with the deep-slotted chip breaker that several extend vertically, the front end of deep-slotted chip breaker extends to the front end face of sleeve, the rear end forms and the top of the inner sleeve step surface that terrace coordinates of presenting a theatrical performance as the last item on a programme, only revolve key separately by one between two adjacent deep-slotted chip breakers, only revolve key and be in only revolving in keyway of inner sleeve.When assembling, first with in the endoporus of inner sleeve by front loaded sleeve, then coupling nut is arranged on sleeve by front end sleeve.On the front end face of inner sleeve 2 be provided with one the circle end tooth 14, the diameter of the circumference at end tooth 14 outermost places is consistent with the diameter of the small diameter inner hole of coupling nut 4 front ends, end tooth 14 be used for connector shell rear end end face on the end tooth engagement that coordinates prevent that sleeve from rotating with respect to connector.
the rear end of sleeve 3 is symmetrically arranged with two supports 11, support 11 is for having the strip shape body of two side planes 18, the rear end of support 11 has a lug, lug has two end faces 17 in up and down, end face 17 is perpendicular to side 18, the front end of support 11 has retaining thread and uses the hole, retaining thread uses the axis in hole perpendicular to side 18, support 11 by this retaining thread with the rear end at sleeve of being fixed between hole and screw 10, be provided with axis on lug perpendicular to the hole that supplies the cable hold-down screw to pass of end face 17, the rear end of support 11 is connected with the cable clamping plate 13 of fixed cable, the stage casing of cable clamping plate 13 is the segmental arc that coordinates with the outer peripheral face of cable, the two ends of segmental arc have two planar end plate, the cable clamping plate are two, the planar end plate of one of them cable clamping plate coordinates with an end face of lug, another wire clamp coordinates with another end face of lug, two cable clamping plate are fixed by screws in the rear end of support, the screw of fixed cable clamping plate passes the hole of passing for the cable hold-down screw, a cylindrical hole is synthesized in the middle part of cable clamping plate like this, the cable 1 at connector rear end of being electrically connected passes between by two cable clamping plate and by two cable clamp board clampings.The rear end of inner sleeve 2 is arranged with clamping sleeve 9, and clamping sleeve 9 is positioned at the rear end of inner sleeve 2 and the fit clearance of sleeve 3 endoporus, has been installed with tubular gauze screen 21 between inner sleeve 2 and clamping sleeve 9, and tubular gauze screen 21 the be laid in outside of cable 1 is used for shielded signal.
The cable immobilizing structure of the present embodiment comprises support, the tail end of support is provided with cable clamp, cable is fixed on support by cable clamp, rear end that also can sleeve is set to throat structure, throat structure coordinates with cable and makes the throat structure distortion by external force, cable is compressed simultaneously and the screen in the outside of cable also can also be pressed on cable, save simultaneously inner sleeve and pressure welding case.
The spline structure of the present embodiment is the end tooth that is arranged on the inner sleeve front end face, end tooth also can be arranged on the front end face of sleeve or the sleeve endoporus on the step surface of front end.
The location that is enclosed within the present embodiment in the sleeve endoporus can also be realized by the mode that jump ring is fixed.
Claims (8)
1. connector fitting, comprise sleeve, the front end axial limiting of sleeve is set with coupling nut, the rear end of connector fitting has the cable immobilizing structure for fixed cable, the front end of described coupling nut endoporus is provided with the internal thread that coordinates for external screw thread on connector, have between coupling nut and sleeve and only revolve damping structure, described sleeve be provided with for connector on the spline structure of respective outer side edges spline, it is characterized in that: the described damping structure that only revolves comprises the interior stay of fit clearance that is arranged on coupling nut and sleeve, the middle part of stay is segmental arc, the two ends of segmental arc have the planar section tangent with segmental arc, stay is fixed on coupling nut by the segmental arc at its middle part, the planar section at stay two ends is pressed on the outer peripheral face of sleeve, be provided with the fin that coordinates with the side face tooth clamping stagnation that arranges on the sleeve outer peripheral face on the planar section at stay two ends.
2. connector fitting according to claim 1, it is characterized in that: described fin is that cross section is leg-of-mutton strip fin.
3. connector fitting according to claim 2, it is characterized in that: described stay is fixed on coupling nut by rivet.
4. arbitrary described connector fitting according to claim 1 ~ 3, it is characterized in that: described cable immobilizing structure comprises support, the front end of support is provided with the retaining thread of fixing with sleeve and uses the hole, support uses by retaining thread that the hole is removable to be fixed on sleeve, described cable immobilizing structure is for being fixed on two cable pressure strips that cooperatively interact of back-end support by the cable hold-down screw, described support is the strip shape body with two side planes, retaining thread is arranged on the front portion of two side planes with the hole, retaining thread uses the axis in hole perpendicular to side plane, the rear end of support has end face perpendicular to the lug of side plane, lug has the hole of passing for the cable hold-down screw, the axis in the hole that confession cable hold-down screw passes is perpendicular to the end face of lug.
5. connector fitting according to claim 4, it is characterized in that: be coated with inner sleeve in the endoporus of described sleeve, inner sleeve is fixed in sleeve by its front portion, and the rear end of inner sleeve is arranged with for the clamping sleeve that puts in the tubular gauze screen outside cable is pressed on.
6. connector fitting according to claim 5, it is characterized in that: have the terrace of presenting a theatrical performance as the last item on a programme towards the top of rear end on the outer peripheral face of described inner sleeve front portion, push up the step surface top interference fit that arranges on present a theatrical performance as the last item on a programme terrace and sleeve endoporus, the endoporus step surface top interference fit of the front end face of inner sleeve and coupling nut, present a theatrical performance as the last item on a programme to have on the larger side face section of diameter before terrace and only revolve keyway in the top of inner sleeve, be provided with on the hole wall of the endoporus that sleeve endoporus point diameter is larger with only revolve that keyway coordinates spline only revolve key.
7. connector fitting according to claim 6 is characterized in that: described spline structure is to be arranged on the front end face of inner sleeve by interior being set in to be used for coordinating with the end tooth on connector the end tooth of anti-rotation on sleeve.
8. connector fitting according to claim 7, it is characterized in that: described coupling nut is arranged on sleeve by the jump ring axial limiting that is arranged between coupling nut and sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010521713 CN101969163B (en) | 2010-10-27 | 2010-10-27 | Connector attachment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010521713 CN101969163B (en) | 2010-10-27 | 2010-10-27 | Connector attachment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101969163A CN101969163A (en) | 2011-02-09 |
| CN101969163B true CN101969163B (en) | 2013-06-19 |
Family
ID=43548279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010521713 Expired - Fee Related CN101969163B (en) | 2010-10-27 | 2010-10-27 | Connector attachment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101969163B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102752979B (en) * | 2011-04-19 | 2015-04-01 | 英业达股份有限公司 | Locked fixing structure, insulating sleeve and electronic device applying locked fixing structure |
| DE102014104449A1 (en) * | 2014-03-28 | 2015-10-01 | Telegärtner Karl Gärtner GmbH | Electrical connector |
| CN104934766B (en) * | 2015-05-29 | 2017-05-31 | 中航光电科技股份有限公司 | A kind of connector |
| CN111295072A (en) * | 2018-12-07 | 2020-06-16 | 上海航空电器有限公司 | Front-mounted quick mounting structure for eliminating cable mounting stress |
| CN110911885B (en) * | 2019-12-09 | 2022-02-18 | 中航沈飞民用飞机有限责任公司 | Combined connector accessory and application |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4874331A (en) * | 1988-05-09 | 1989-10-17 | Whittaker Corporation | Strain relief and connector - cable assembly bearing the same |
| CN2674691Y (en) * | 2003-12-09 | 2005-01-26 | 中航光电科技股份有限公司 | Connector fitting |
| CN2899185Y (en) * | 2006-03-13 | 2007-05-09 | 南京依纳科技有限公司 | Rotary radio-frequency coaxial connector |
| CN201859986U (en) * | 2010-10-27 | 2011-06-08 | 中航光电科技股份有限公司 | Connector accessory |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2812134B1 (en) * | 2000-07-21 | 2002-12-13 | Marechal Sepm | AXIAL RETENTION DEVICE OF A CYLINDRICAL ELEMENT AND MORE PARTICULARLY A CABLE |
-
2010
- 2010-10-27 CN CN 201010521713 patent/CN101969163B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4874331A (en) * | 1988-05-09 | 1989-10-17 | Whittaker Corporation | Strain relief and connector - cable assembly bearing the same |
| CN2674691Y (en) * | 2003-12-09 | 2005-01-26 | 中航光电科技股份有限公司 | Connector fitting |
| CN2899185Y (en) * | 2006-03-13 | 2007-05-09 | 南京依纳科技有限公司 | Rotary radio-frequency coaxial connector |
| CN201859986U (en) * | 2010-10-27 | 2011-06-08 | 中航光电科技股份有限公司 | Connector accessory |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101969163A (en) | 2011-02-09 |
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