CN104347968B - The cable flame proof joint design of light fixture - Google Patents
The cable flame proof joint design of light fixture Download PDFInfo
- Publication number
- CN104347968B CN104347968B CN201310334871.2A CN201310334871A CN104347968B CN 104347968 B CN104347968 B CN 104347968B CN 201310334871 A CN201310334871 A CN 201310334871A CN 104347968 B CN104347968 B CN 104347968B
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- moulding
- nest
- guide groove
- lead
- movable holddown
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
- H01R11/09—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations being identical
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- Connector Housings Or Holding Contact Members (AREA)
- Arrangement Of Elements, Cooling, Sealing, Or The Like Of Lighting Devices (AREA)
Abstract
A kind of cable flame proof joint design of light fixture, its two connector assembly for including the moulding in the gap between the inwall for the nest of tube structure, the conductive pole in nest, the periphery for being molded in conductive pole and nest and being separately mounted in moulding both ends and being conducted with the both ends of conductive pole, each connector assembly include：The lead being fixed in moulding end, lead are provided with the chute along the axially extending guide groove of lead, the side wall through lead and the wiring hole being connected with guide groove and the blind end located at lead；The movable holddown being slidingly disposed in guide groove, movable holddown can abut with the bottom of guide groove；The open-ended insulation button of moulding is slidingly disposed at, insulation button is provided with the promotion post slidably and with movable holddown abutted along chute；The return springs abutted in guide groove and with movable holddown.Above-mentioned cable flame proof joint design connecting wire is more quick and easy.
Description
【Technical field】
The present invention relates to a kind of cable flame proof joint design, more particularly to a kind of cable flame proof joint design of light fixture.
【Background technology】
Many explosion-proof compound light fixtures at present, have flame proof add INCREASEDSAFETY or flame proof add the light fixtures such as intrinsic safety type its explosion-proof chamber to
All it is that cable extraction wire is compressed by clamp nut and filler mostly, the wire after extraction will also pass through when drawing cable outside
Junction block is connected with other wires, and not only volume is big, and complicated, and light fixture cost can increase, and cause the wasting of resources.
【The content of the invention】
In view of above-mentioned condition, it is necessary to which a kind of cable flame proof joint of the more quick and easy light fixture of connecting wire is provided
Structure.
A kind of cable flame proof joint design of light fixture, it includes：
For the nest of tube structure, the outer wall of the nest is provided with flame proof thread；
Exist between the inwall of conductive pole in the nest, the periphery of the conductive pole and the nest
Gap, periphery one week of the gap around the conductive pole；
The moulding being molded in the gap, the moulding are long tubular construction, and the nest is set in
The middle part of the moulding, the both ends of the nest are made to expose to outside the nest, the conductive pole is contained in institute
State in nest, the both ends outer wall of the moulding is provided with cable-through hole, and the cable-through hole connects with the inner chamber of the moulding；
Two connector assemblies for being separately mounted in the moulding both ends and being conducted with the both ends of the conductive pole,
Each connector assembly includes：
The lead being fixed in the moulding end, the lead is provided with guide groove, wiring hole and chute, described
Guide groove is axially extending along the lead, and runs through the end face of wherein one end of the lead, the lead
The other end is blind end；The wiring hole runs through the side wall of the lead, and is connected with the guide groove；The chute
It is connected on the outer wall of the blind end of the lead, and with the guide groove；
The movable holddown being slidingly disposed in the guide groove, the bottom of the movable holddown and the guide groove can be supported
Connect, with clamp through the moulding cable-through hole and the conductive pole cable-through hole wire end；
The open-ended insulation button of the moulding is slidingly disposed at, the insulation button is provided with along the chute
Slidable to promote post, the promotion post abuts with the movable holddown, to promote the movable holddown in the guide groove
Slide；
The return springs abutted in the guide groove and with the movable holddown, the movable holddown is described
Towards the basal sliding of the guide groove under the elastic force effect of return springs；
Wherein, when pressing the insulation button, the insulation button compresses the movable holddown by the promotion post, makes
The movable holddown separates with the bottom of the guide groove；When unclamping the insulation button, the movable holddown is in the reset
Automatically reset under the elastic force effect of elastic component.
The outer wall of the nest of the cable flame proof joint design of above-mentioned light fixture is provided with flame proof thread, can be directly realized by flame proof
Chamber connects with the flame proof of other chambers, meets the requirement of GB3836.2-2010 flame proofs standard.Led provided with elastic clamping at the both ends of moulding
The connector assembly of line, during wiring, insulation button only need to be pressed, wire is filled in the wiring hole of moulding, so that it may realize wiring, side
Just, fast, without being transferred again by junction block, therefore, the cable flame proof joint design wiring of above-mentioned light fixture is more quick, square
Just.
In addition, moulding and the connector assembly positioned at its both ends, not only make both ends wire reliably insulate connection, and joint
Electric clearance and creep age distance meets GB3836.3-2010 INCREASEDSAFETYs explosion-proof criteria and GB3836.4-2010 intrinsic safety types are explosion-proof
The requirement of standard, therefore above-mentioned cable flame proof joint design can be used for explosion-proof chamber and increase the switching between peace chamber, it can also be used to every
Switching between blast chamber and intrinsic safety chamber, application are relatively broad.
In one of the embodiments, one end of the movable holddown is provided with guide ledges, and the end face of the other end is provided with the
One dentalation, the bottom of the guide groove is provided with the second dentalation being meshed with first dentalation, described multiple
One end of position elastic component is set in the guide ledges.
In one of the embodiments, each connector assembly also includes cap fall prevention, and the insulation button includes one end
The stop flange of the button cap of opening and opening periphery located at the button cap, the end of the cap fall prevention and the moulding
It is fixedly connected, and is set on the button cap, the cap fall prevention can abuts with the stop flange, to stop the insulation
Button from the moulding it is open-ended in come off.
In one of the embodiments, the promotion post is multiple, and is disposed on the stop flange, described
Chute is correspondingly arranged to be multiple, and the chute is is axially facing institute from the blind end of the lead along the lead
State the middle part extension of lead.
In one of the embodiments, the chute is semi-cylindrical recesses, described to promote post as the shape with the chute
Shape matches, cross section is the cylinder of discount vibram outlet shape, and the end that the movable holddown is provided with the first dentalation is provided with positioning
Groove, the end abutment of the free end of the promotion post is in the locating slot.
In one of the embodiments, each connector assembly also includes fixed block, and the fixed block is enclosed in described
The opening of guide groove, and the both ends of the return springs abut against with the movable holddown and the fixed block respectively.
In one of the embodiments, the fixed block is cirque structure, and the outer wall of the fixed block is provided with
External screw thread, inwall are provided with internal thread, and the opening inwall of the guide groove is provided with to be engaged with the exposed line of the fixed block
Internal thread, it is vertical on the end face at the conductive pole both ends to be provided with the stud being screwed with the internal thread of the fixed block.
In one of the embodiments, the side wall of the conductive pole is provided with rotation stop groove, is set on the inwall of the nest
There is anti-slip tank, after moulding, the corresponding rotation stop groove is provided with rotation stop boss to the moulding, and the corresponding anti-slip tank is provided with
Anti-skid bulge.
In one of the embodiments, the middle part of the moulding is provided with two blocker rings, and described two blocker rings surround
The moulding one week, and be arranged at intervals, to be collectively forming an annular stopper slot, the nest insertion is described spacing
In groove.
In one of the embodiments, one end of the nest is provided with the instrument flange of regular hexagon, and the instrument is convex
Edge can drive the nest rotation around one end outer wall one week of the nest by instrument flange described in spanner clamping.
【Brief description of the drawings】
Fig. 1 is the axial section of the cable flame proof joint design of the light fixture of embodiment of the present invention；
Fig. 2 is the axial section at another visual angle of the cable flame proof joint design of the light fixture shown in Fig. 1；
Fig. 3 is that the cable flame proof joint design of the light fixture shown in Fig. 1 removes the axial sectional view after connector assembly；
Fig. 4 is the stereogram of the nest of the cable flame proof joint design of the light fixture shown in Fig. 1；
Fig. 5 is the axial section of the nest shown in Fig. 4；
Fig. 6 is the stereogram of the adapter assembly of the cable flame proof joint design of the light fixture shown in Fig. 1.
【Embodiment】
For the ease of understanding the present invention, the present invention is described more fully below with reference to relevant drawings.In accompanying drawing
Give the preferred embodiment of the present invention.But the present invention can realize in many different forms, however it is not limited to herein
Described embodiment.On the contrary, the purpose for providing these embodiments is to make the understanding to the disclosure more saturating
It is thorough comprehensive.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side " and similar statement are for illustrative purposes only.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all combination of the Listed Items of pass.
Refer to Fig. 1 and Fig. 2, the cable flame proof joint design 100 of the light fixture of embodiment of the present invention, including nest
110th, conductive pole 120, moulding 130 and two connector assemblies 140.Moulding 130 is fixedly connected with nest 110 and conductive pole
120, and play electric insulation effect.Two connector assemblies 140 are respectively arranged on the both ends of moulding 130, for clamping wire, and lead to
Conductive pole 120 is crossed to conduct.
Also referring to Fig. 4 and Fig. 5, nest 110 is tube structure, and the outer wall of nest 110 is provided with flame proof thread
111.Preferably, the number of threads of flame proof thread 111 is more than 5.Specifically in the illustrated embodiment, nest 110 is round metal
Cylinder.Certainly, in the present invention, nest 110 can also be the cylinder of other shapes, for example, round outside but spuare inside cylinder.
Further, one end of nest 110 is provided with the instrument flange 112 of regular hexagon, and instrument flange 112 is around nesting
One end outer wall of part 110 one week, by spanner clamping instrument flange 112 nest 110 can be driven to rotate.Due to instrument flange
112 are beneficial to spanner clamping, so as to be screwed into nest 110 in the screw of explosion-proof chamber of light fixture more conveniently.
Conductive pole 120 is arranged in nest 110, between existing between the periphery of conductive pole 120 and the inwall of nest 110
Gap, periphery one week of the gap around conductive pole 120.In the embodiment being specifically illustrating, the length of conductive pole 120 is less than nest
110 length, and be correspondingly arranged with nest 110.
Also referring to Fig. 3, moulding 130 is molded in gap, and moulding 130 is long tubular construction, nest
110 are set in the middle part of moulding 130, the both ends of nest 110 is exposed to outside nest 110, and conductive pole 120 is accommodating
In nest 110, the both ends outer wall of moulding 130 is provided with cable-through hole 131, and the inner chamber of cable-through hole 131 and moulding 130 connects
It is logical.Specifically in the illustrated embodiment, moulding 130 is PPS working of plastics (PPS, polyphenylene sulfide, English name：
Phenylenesulfide)。
Further, the side wall of conductive pole 120 is provided with rotation stop groove 122, and the inwall of nest 110 is provided with anti-slip tank
113, after moulding, corresponding rotation stop groove 122 is provided with rotation stop boss 132 to moulding 130, and corresponding anti-slip tank 113 is provided with anti-skidding
Projection 133.Because conductive pole 120 is provided with rotation stop groove 122, it is convex to form the rotation stop being engaged with rotation stop groove 122 on moulding 130
Platform 132, to prevent conductive pole 120 from being rotated relative to moulding 130.In addition, the inwall of nest 110 is provided with anti-slip tank 113,
The anti-skid bulge 133 being engaged with anti-slip tank 113 is formed on moulding 130, to prevent moulding 130 relative to nest
110 slide.
Specifically in the illustrated embodiment, rotation stop groove 122 is rectangular recess in the side wall of conductive pole 120, rotation stop
Platform is the rectangular boss on the inwall of moulding 130.Anti-slip tank 113 is the cross section on the inwall of nest 110
For the annular groove of V-arrangement, and annular groove along nest 110 circumferentially around one week；Anti-skid bulge 133 is located at moulding 130
Outer wall on cross section be V-arrangement annular protrusion, and annular protrusion along moulding 130 circumferentially around one week.
Further, the middle part of moulding 130 is provided with two blocker rings 134, and two blocker rings 134 surround moulding 130
One week, and be arranged at intervals, to be collectively forming an annular stopper slot（Figure is not marked）, nest 110 be embedded in stopper slot in.By
In nest 110 be embedded in moulding 130 stopper slot in, with firmly fix connection nest 110, prevent nest 110 with
Moulding 130 separates.
Two connector assemblies 140 are separately mounted to conduct in the both ends of moulding 130 and with the both ends of conductive pole 120,
Each connector assembly 140 includes lead 141, movable holddown 143, insulation button 145 and return springs 147.
Also referring to Fig. 6, lead 141 is fixed in the end of moulding 130, lead 141 be provided with guide groove 141a,
Wiring hole 141b and chute 141c.Guide groove 141a is axially extending along lead 141, and through lead 141 wherein
The end face of one end, the other end of lead 141 is blind end.Wiring hole 141b run through lead 141 side wall, and with guiding
Groove 141a is connected.Chute 141c is connected on the outer wall of the blind end of lead 141 with guide groove 141a.
Specifically in the illustrated embodiment, lead 141 is cylinder, and the side wall of its blind end is provided with two parallel phases
To planar portions 141d, wiring hole 141b runs through planar portions 141d, and chute 141c is between two planar portions 141d.
Movable holddown 143 is slidingly disposed in the guide groove 141a of lead 141, movable holddown 143 and guide groove
141a bottom can abut, to clamp the wire through the cable-through hole 131 of moulding 130 and the cable-through hole 131 of conductive pole 120
End.Specifically in the illustrated embodiment, one end of movable holddown 143 is provided with guide ledges 143a, and the end face of the other end is provided with
First dentalation 143b, guide groove 141a bottom are provided with the second dentalation being meshed with the first dentalation 143b
141e（As shown in Figure 1）.
Insulation button 145 is slidingly disposed at the open-ended of moulding 130, and insulation button 145 is provided with along chute 141c
It is slidable to promote post 145a, promote post 145a to be abutted with movable holddown 143, to promote movable holddown 143 in guide groove 141a
Interior slip.Specifically in the illustrated embodiment, insulation button 145 also includes button cap 145b and stop flange 145c.Button cap
145b one end open, stop flange 145c are located at button cap 145b opening periphery, promote post 145a and stop flange 145c
Connection.
Further, post 145a is promoted to be multiple, and is disposed on stop flange 145c, the cunning of lead 141
Groove 141c is correspondingly arranged to be multiple, and chute 141c is to be led from the blind end of lead 141 along being axially facing for lead 141
Extend to the middle part of post 141.
Further, chute 141c is semi-cylindrical recesses, that promotion post 145a matches for the shape with chute 141c,
Cross section is the cylinder of discount vibram outlet shape, and end of the movable holddown 143 provided with the first dentalation 143b is provided with locating slot 143c, pushed away
The end abutment of dynamic post 145a free end is in locating slot 143c.
Return springs 147 are arranged in the guide groove 141a of lead 141 and abutted with movable holddown 143, specifically,
One end of return springs 147 is set on guide ledges 143a.Movable holddown 143 acts in the elastic force of return springs 147
The lower guide groove 141a towards lead 141 basal sliding.Specifically in the illustrated embodiment, return springs 147 are one
End is set in the compression spring on guide ledges 143a.
Wherein, when pressing insulation button 145, insulation button 145 makes work by promoting post 145a to compress movable holddown 143
Dynamic pressure block 143 separates with guide groove 141a bottom；When unclamping insulation button 145, movable holddown 143 is in return springs 147
Elastic force effect under automatically reset.
Further, each connector assembly 140 also includes cap fall prevention 148, and the end of cap fall prevention 148 and moulding 130 is consolidated
Fixed connection, and be set on button cap 145b, cap fall prevention 148 can abut with stop flange 145c, to stop insulation button 145
From moulding 130 it is open-ended in come off.
It should be noted that cap fall prevention 148 can omit, now, insulation button 145 can reach anti-using itself part
De- purpose, for example, de- projection of being set up defences on insulation button 145, the open-ended inwall of moulding 130 are oriented to provided with L-type
Groove 141a, L-type guide groove 141a include arc groove portion and straight line groove portion, and arc groove portion is open-ended close to moulding 130
Set, and one end of arc groove portion is provided with the open-ended stage portion positioned at moulding 130, and the other end connects with straight line groove portion
Logical, straight line groove portion is axially extending along moulding 130, circumferentially extending of the arc groove portion along moulding 130.Insulation button 145
Anticreep projection is slipped into arc groove portion from stage portion, and arcuately groove portion is slid into straight line groove portion, and can be come along straight line groove portion
Return and slide, so as to play guide effect, and be difficult to come off from arc groove portion under the elastic force effect of return springs 147, with
Play a part of anticreep.
Further, each connector assembly 140 also includes fixed block 149, and fixed block 149 is enclosed in leading for guide 141
To groove 141a opening, and the both ends of return springs 147 abut against with movable holddown 143 and fixed block 149 respectively.Tool
In the illustrated embodiment, fixed block 149 is cirque structure to body, and the outer wall of fixed block 149 is provided with external screw thread, inwall
Internal thread is provided with, guide groove 141a opening inwall is provided with the internal thread being engaged with the exposed line of fixed block 149, conductive
It is vertical on the end face at the both ends of post 120 to be provided with the stud 123 being screwed with the internal thread of fixed block 149.
It should be noted that when fixed block 149 omits, lead 141 is directly fixedly connected with conductive pole 120, for example,
The size of the stud 123 of conductive pole 120 is adapted with the guide groove 141a of lead 141 opening size, and is screwed.
It should be noted that in order to realize that connector assembly 140 conducts with conductive pole 120, lead 141 is electric-conductor,
And one end where guide groove 141a openings directly contacts with conductive pole 120；Or movable holddown 143, return springs
147th, fixed block 149 is electric-conductor, and wire passes through movable holddown 143, return springs 147 and fixed block 149 and conductive pole
120 conduct, or, lead 141, movable holddown 143, return springs 147, fixed block 149 are electric-conductor.
Illustrate the cable flame proof joint design 100 of above-mentioned light fixture with reference to specific embodiment.
The instrument flange 112 of the regular hexagon of the upper end of nest 110, match somebody with somebody for spanner rotating dress and be used, lower end cylinder
The flame proof thread 111 in face, it is linked and packed use for the housing with light fixture, there is a big hole among nest 110, is led for assembling
PPS plastics are injected after electric post 120, circular-hole internal-wall has the anti-slip tank 113 of V-arrangement, prevents moulding 130 from coming off.Conductive pole 120 is circle
Respectively there is a stud at cylindricality, both ends, for assembling the connector assembly 140 at both ends, have a rotation stop groove 122 on the face of cylinder, prevent from being molded
Conductive pole 120 rotates afterwards.Moulding 130 among flame proof joint can effectively realize conductive pole 120 and nest 110 and housing
Insulating properties.Wherein lead 141, movable holddown 143, return springs 147, fixed block 149 form connecing for client
Line component 140, the guide groove 141a bottoms of lead 141 are provided with dentalation with the top of movable holddown 143（That is the first dentation
Structure 143b and the second dentalation 141e）, compressible wire, prevents wire from releasing in the presence of return springs 147, leads
Claim two cable-through holes 131 of side to the one pair of which on the face of cylinder of post 141, facilitate client's wiring, another symmetrical side is provided with two
Individual chute 141c, two promotion post 145a of plastic cement button can abut movable holddown 143 by this chute 141c, compression spring,
Realize that the guide groove 141a of lead 141 bottom separates with the dentalation at the top of movable holddown 143, access wire；Lead
Screw thread is provided with to the guide groove 141a of post 141 opening inwall, is easy to lead 141 to assemble movable holddown 143 and resets bullet
Tightened after property part 147 with fixed block 149, so as to form a component.The cylindrical of fixed block 149 is screw, and there is a small spiral shell centre
Silk hole, it is easy to the thread connection at the both ends of conductive pole 120 of component and injection molding body.Insulation button 145 is plastic cement button, and is assemblied in
The top of lead 141, then cover cap fall prevention 148.When needing wiring, insulation button 145 is pressed, from the both ends of moulding 130
Cable-through hole 131 can wiring, it is convenient, fast.
The outer wall of the nest 110 of the cable flame proof joint design 100 of above-mentioned light fixture is provided with flame proof thread 111, can be straight
Connect and realize that explosion-proof chamber and the flame proof of other chambers connect, meet the requirement of GB3836.2-2010 flame proofs standard.The both ends of moulding 130
Connector assembly 140 provided with elastic clamping wire, during wiring, insulation button 145 only need to be pressed, wire is filled in moulding 130
Wiring hole 141b, so that it may realize wiring, it is convenient, fast, without being transferred again by junction block, therefore, the cable of above-mentioned light fixture
The wiring of flame proof joint design 100 is more quick and easy.
In addition, moulding 130 and the connector assembly 140 positioned at its both ends, not only make both ends wire reliably insulate connection, and
And the electric clearance and creep age distance of joint meet GB3836.3-2010 INCREASEDSAFETYs explosion-proof criteria and GB3836.4-2010 intrinsic safety
The requirement of type explosion-proof criteria, therefore above-mentioned cable flame proof joint design 100 can be used for explosion-proof chamber and increase the switching between peace chamber,
It is relatively broad available for the switching between explosion-proof chamber and intrinsic safety chamber, application.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the guarantor of the present invention
Protect scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (9)
- A kind of 1. cable flame proof joint design of light fixture, it is characterised in that including：For the nest of tube structure, the outer wall of the nest is provided with flame proof thread；Between existing between the inwall of conductive pole in the nest, the periphery of the conductive pole and the nest Gap, periphery one week of the gap around the conductive pole；The moulding being molded in the gap, the moulding are long tubular construction, and the nest is set in described The middle part of moulding, the both ends of the moulding are made to expose to outside the nest, the conductive pole is contained in described embedding In external member, the both ends outer wall of the moulding is provided with cable-through hole, and the cable-through hole connects with the inner chamber of the moulding；The side wall of the conductive pole is provided with rotation stop groove, and the inwall of the nest is provided with anti-slip tank, and the moulding is being noted After being moulded into type, the corresponding rotation stop groove is provided with rotation stop boss, and the corresponding anti-slip tank is provided with anti-skid bulge；Two connector assemblies for being separately mounted in the moulding both ends and being conducted with the both ends of the conductive pole, each The connector assembly includes：The lead being fixed in the moulding end, the lead are provided with guide groove, wiring hole and chute, the guiding Groove is axially extending along the lead, and through the lead wherein one end end face, the lead it is another Hold as blind end；The wiring hole runs through the side wall of the lead, and is connected with the guide groove；The chute is located at On the outer wall of the blind end of the lead, and it is connected with the guide groove；The movable holddown being slidingly disposed in the guide groove, the movable holddown can abut with the bottom of the guide groove, With clamp through the moulding cable-through hole and the conductive pole cable-through hole wire end；The open-ended insulation button of the moulding is slidingly disposed at, the insulation button is provided with and can slided along the chute Dynamic promotion post, the promotion post abuts with the movable holddown, to promote the movable holddown to be slided in the guide groove；The return springs abutted in the guide groove and with the movable holddown, the movable holddown is in the reset Towards the basal sliding of the guide groove under the elastic force effect of elastic component；Wherein, when pressing the insulation button, the insulation button compresses the movable holddown by the promotion post, makes described Movable holddown separates with the bottom of the guide groove；When unclamping the insulation button, the movable holddown is in the Flexible Reset Automatically reset under the elastic force effect of part.
- 2. the cable flame proof joint design of light fixture as claimed in claim 1, it is characterised in that one end of the movable holddown is set There are guide ledges, the end face of the other end is provided with the first dentalation, and the bottom of the guide groove is provided with and the first dentation knot The second dentalation that structure is meshed, one end of the return springs are set in the guide ledges.
- 3. the cable flame proof joint design of light fixture as claimed in claim 2, it is characterised in that each connector assembly also wraps Cap fall prevention is included, the insulation button includes the button cap of one end open and the stop of the opening periphery located at the button cap is convex Edge, the cap fall prevention are fixedly connected with the end of the moulding, and are set on the button cap, the cap fall prevention and institute Stating stop flange can abut, with stop the insulation button from the moulding it is open-ended in come off.
- 4. the cable flame proof joint design of light fixture as claimed in claim 3, it is characterised in that the promotion post is multiple, and And be disposed on the stop flange, the chute is correspondingly arranged to be multiple, and the chute is from the lead Blind end along the lead be axially facing the lead middle part extend.
- 5. the cable flame proof joint design of light fixture as claimed in claim 4, it is characterised in that the chute is that semi-cylindrical is recessed Groove, it is described to promote post to be provided with for the cylinder that shape matches, that cross section is discount vibram outlet shape with the chute, the movable holddown The end of first dentalation is provided with locating slot, and the end abutment of the free end of the promotion post is in the locating slot.
- 6. the cable flame proof joint design of light fixture as claimed in claim 1, it is characterised in that each connector assembly also wraps Include fixed block, the fixed block is enclosed in the opening of the guide groove, and the both ends of the return springs respectively with institute Movable holddown is stated to abut against with the fixed block.
- 7. the cable flame proof joint design of light fixture as claimed in claim 6, it is characterised in that the fixed block is annular knot Structure, and the outer wall of the fixed block is provided with external screw thread, and inwall is provided with internal thread, set on the opening inwall of the guide groove There is an internal thread being engaged with the exposed line of the fixed block, it is vertical on the end face at the conductive pole both ends to be provided with and the fixation The stud that the internal thread of block is screwed.
- 8. the cable flame proof joint design of light fixture as claimed in claim 1, it is characterised in that the middle part of the moulding is provided with Two blocker rings, described two blocker rings were arranged at intervals around the moulding one week, annular to be collectively forming one Stopper slot, the nest are embedded in the stopper slot.
- 9. the cable flame proof joint design of light fixture as claimed in claim 1, it is characterised in that one end of the nest is provided with The instrument flange of regular hexagon, the instrument flange around the nest one end outer wall one week, by described in spanner clamping Instrument flange can drive the nest to rotate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310334871.2A CN104347968B (en) | 2013-08-02 | 2013-08-02 | The cable flame proof joint design of light fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310334871.2A CN104347968B (en) | 2013-08-02 | 2013-08-02 | The cable flame proof joint design of light fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
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| CN104347968B true CN104347968B (en) | 2018-02-06 |
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| CN107732562B (en) * | 2017-09-25 | 2024-02-13 | 南方电网科学研究院有限责任公司 | Explosion-proof device for cable joint and installation method thereof |
| JP6750648B2 (en) | 2018-08-07 | 2020-09-02 | 横河電機株式会社 | Explosion-proof structure |
| CN109378605B (en) * | 2018-09-21 | 2024-01-19 | 深圳供电局有限公司 | Plug-in type cable connector |
| CN110611206A (en) * | 2018-09-30 | 2019-12-24 | 中航光电科技股份有限公司 | Connector assembly and tail accessory thereof |
| CN109459667B (en) * | 2019-01-04 | 2024-04-09 | 国网江苏省电力有限公司宿迁供电分公司 | Controller |
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| EP0250712A2 (en) * | 1986-07-01 | 1988-01-07 | Robert Wagner | Explosion-proof holder and lamp for a two-pin socket fluorescent lamp |
| CN2798373Y (en) * | 2005-07-07 | 2006-07-19 | 东莞大朗金准电器厂 | Explosion proofing lamp socket |
| CN102052654A (en) * | 2009-11-06 | 2011-05-11 | 海洋王照明科技股份有限公司 | Explosion-proof wire holder |
| CN102544776A (en) * | 2010-12-27 | 2012-07-04 | 海洋王照明科技股份有限公司 | Wiring device |
| CN103134011A (en) * | 2011-11-22 | 2013-06-05 | 海洋王（东莞）照明科技有限公司 | Insert and explosive-proof lamp using same |
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|---|---|---|---|---|
| EP0250712A2 (en) * | 1986-07-01 | 1988-01-07 | Robert Wagner | Explosion-proof holder and lamp for a two-pin socket fluorescent lamp |
| CN2798373Y (en) * | 2005-07-07 | 2006-07-19 | 东莞大朗金准电器厂 | Explosion proofing lamp socket |
| CN102052654A (en) * | 2009-11-06 | 2011-05-11 | 海洋王照明科技股份有限公司 | Explosion-proof wire holder |
| CN102544776A (en) * | 2010-12-27 | 2012-07-04 | 海洋王照明科技股份有限公司 | Wiring device |
| CN103134011A (en) * | 2011-11-22 | 2013-06-05 | 海洋王（东莞）照明科技有限公司 | Insert and explosive-proof lamp using same |
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