CN110094703A - Explosion-proof luminaire and its cable introduce structure - Google Patents
Explosion-proof luminaire and its cable introduce structure Download PDFInfo
- Publication number
- CN110094703A CN110094703A CN201910397627.8A CN201910397627A CN110094703A CN 110094703 A CN110094703 A CN 110094703A CN 201910397627 A CN201910397627 A CN 201910397627A CN 110094703 A CN110094703 A CN 110094703A
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- China
- Prior art keywords
- cable
- cartridge body
- explosion
- introduction hole
- packing layer
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V25/00—Safety devices structurally associated with lighting devices
- F21V25/12—Flameproof or explosion-proof arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F21—LIGHTING
- F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
- F21V31/00—Gas-tight or water-tight arrangements
- F21V31/04—Provision of filling media
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/013—Sealing means for cable inlets
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Insertion, Bundling And Securing Of Wires For Electric Apparatuses (AREA)
Abstract
The invention belongs to explosion-proof luminaire technical fields more particularly to a kind of explosion-proof luminaire and its cable to introduce structure.It includes compression barrel and compressing member that the cable, which introduces structure, compression barrel includes the cartridge body filled with airtight and watertight padding, cartridge body has interconnected the first open end and the second open end, compressing member deforms cartridge body to seal the gap between cable and introduction hole for squeezing cartridge body, compressing member has the fixing end for connecting the opposite introduction hole precession of simultaneously energy or back-out with introduction hole, and the end face of fixing end is abutted with the end face of the second open end.By driving compressing member motion compresses to be sheathed on the cartridge body between cable and introduction hole hole wall, making cartridge body stress, deformation occurs to fill the gap between cable and introduction hole, the gap of cable and introduction hole hole wall is not necessarily to be sealed by injecting glue, so as to avoid the explosion suppresion surface excessive glue to explosion-proof casing, excessive glue is avoided to influence the explosion insulation performance of explosion-proof casing.
Description
Technical field
The invention belongs to explosion-proof luminaire technical fields more particularly to a kind of explosion-proof luminaire and its cable to introduce knot
Structure.
Background technique
In the area illuminations such as coal mine pair lane, inclined gallery, haulage drift, chamber, lighting apparatus often needs to meet high-risk flammable
Property, the requirement of explosive atmosphere.Therefore, in actual assembling process, lighting apparatus needs to have good explosion-proof
Can, and explosion-proof light needs to introduce external cable inside lighting apparatus, and then realizes that the power supply of lighting apparatus or data connect
It connects, generally, connection cables need to be connected to the inside of equipment across light fixture housings, and threading work is usually by cable
Structure is introduced to realize.Current cable introduces structure and is laid on the shell of explosion-proof luminaire, the correspondence of light fixture housings
Introduction hole is offered at position, the cable that structure introduces is introduced through cable and passes through from the introduction hole on shell, then passes through glue reality
Existing cable is fixedly connected with introduction hole.But during actual injecting glue, glue is easier to spill over equipment shell along cable
On the explosion suppresion surface of body (i.e. on the outer surface of shell), and then the explosion insulation performance of apparatus casing is influenced, also, later maintenance is not yet
It is convenient, it needs to put glue connection again at the scene.
Summary of the invention
The purpose of the present invention is to provide a kind of explosion-proof luminaires and its cable to introduce structure, it is intended to solve the prior art
The cable of middle explosion-proof luminaire introduces structure because the introduction hole connection by glue and apparatus casing is easy to appear to shell
Explosion suppresion surface excessive glue influence explosion suppresion surface explosion insulation performance the technical issues of.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of cable introduces structure, suitable for leading to cable
The introduction hole crossed on explosion-proof luminaire explosion-proof casing is introduced in explosion-proof luminaire, comprising:
Barrel is compressed, compression barrel includes the cartridge body filled with airtight and watertight padding, and cartridge body has draws for being connected to
The second open end that the first open end and opposite first open end for entering hole are arranged and are connected with the first open end, the first opening
The end face at end is used to be adapted to the positioning region supported and terminated in introduction hole to limit cartridge body；
Compressing member, compressing member have the fixing end for connecting the opposite introduction hole precession of simultaneously energy or back-out with introduction hole,
The end face of fixing end is abutted with the end face of the second open end, and compressing member is also provided with the perforation of the cable for penetrating for cable, line
Cable perforation is connected with the second open end.
Further, the first filler has been sequentially filled along the direction of the first open end to the second open end in cartridge body
Layer, the second packing layer, third packing layer and the 4th packing layer, and the first packing layer, the second packing layer, third packing layer and the 4th
The packing material size of packing layer sequentially increases.
Further, the partial size of filler is 8mm~10mm in the first packing layer, and the partial size of filler is in the second packing layer
10mm~12mm, the partial size of filler is 12mm~14mm in third packing layer, in the 4th packing layer the partial size of filler be 14mm~
16mm。
Further, the filler in the first packing layer, the second packing layer, third packing layer and the 4th packing layer is mining
Filler.
Further, the center of outer surface towards cartridge body of the cartridge body at the first opening end position is formed slopely
There is barrel guide surface.
Further, compression barrel further includes the barrel sealing in cartridge body, the periphery and barrel of barrel sealing
The inner surface of main body connects, and barrel sealing is close to the second open end.
Further, compressing member is to compress stud, compresses the interior spiral shell being provided in the fixing end of stud for introduction hole
Line is adapted to the external screw thread being spirally connected, and the end for compressing stud face fixing end is provided with stud cap, and cable perforation runs through stud cap, and
The cross sectional dimensions of stud cap is greater than the cross sectional dimensions of cartridge body.
Further, it further includes seal washer that cable, which introduces structure, seal washer be located in the second open end end face and
Between the end face of fixing end.
Further, it further includes seal plug that cable, which introduces structure, and seal plug adaptation is covered in the second of cartridge body
Open end.
The said one or multiple technical solutions that cable provided in an embodiment of the present invention is introduced into structure at least have as follows
One of technical effect: it includes compression barrel and compressing member that cable, which introduces structure, wherein compression barrel includes being filled with airtight and watertight padding
And the cartridge body that can be deformed by compression, cartridge body have interconnected the first open end and the second open end,
The fixing end of compressing member protrudes into introduction hole connect and can be with respect to introduction hole precession or back-out with introduction hole, also, compression
The end face of part fixing end is abutted with the end face of the second open end of cartridge body, be also provided with inside compressing member worn for cable and with
The cable perforation that second open end of cartridge body is connected；When connection cables, cable sequentially passes through cable perforation, the second opening
Enter in the explosion-proof casing of antiknock device after end, the first open end and introduction hole, after the completion of cable is worn, cartridge body is arranged
On to cable and placing it in introduction hole, the end of the first open end of cartridge body is abutted with the positioning region in introduction hole, with
The fixing end of compressing member is plugged in introduction hole again afterwards, rotation compressing member makes it with respect to introduction hole precession, and makes fixing end
End face squeezes cartridge body, and cartridge body, which is squeezed, to be occurred transversely deforming and fill the gap between cable and introduction hole, thus
Realize cable in the sealed connection in introduction hole.In this way, by driving compressing member motion compresses to be sheathed on cable and introduction hole hole
Cartridge body between wall, the cartridge body stress gap that deformation occurs between filling cable and introduction hole hole wall hole wall, in this way,
The gap of cable and introduction hole hole wall is not necessarily to be sealed by injecting glue, so as to avoid overflowing to the explosion suppresion surface of explosion-proof casing
Glue avoids excessive glue from influencing the explosion insulation performance of explosion-proof casing；Meanwhile during producing assembly, assembles above-mentioned cable and introduce
Structure also saves the time than injecting glue, so be conducive to improve production efficiency, and the cable introduce structure can by repeated disassembled and assembled,
It in the maintenance in later period, can carry out repeatedly dismantling use, be conducive to save raw material, reduce production cost.
To achieve the above object, the embodiment of the invention also provides a kind of explosion-proof luminaires, including cable and explosion-proof shell
Body, the introduction hole penetrated for cable is offered on explosion-proof casing, and explosion-proof luminaire further includes that above-mentioned cable introduces structure, cable
Structure is introduced by cable and introduction hole is tightly connected.
Said one or multiple technical solutions in explosion-proof luminaire provided in an embodiment of the present invention at least have as follows
One of technical effect: the explosion-proof luminaire introduces structure using above-mentioned cable to carry out to the cable being arranged in introduction hole
Sealing, by cartridge body stress, deformation occurs fills the gap between cable and introduction hole, in this way, cable and introduction hole
Without being sealed by injecting glue between hole wall, under the premise of ensuring the high-seal of explosion-proof luminaire, can be avoided to
The explosion suppresion surface excessive glue of explosion-proof casing avoids excessive glue from influencing the explosion insulation performance of explosion-proof casing；In addition, in the production of explosion-proof luminaire
In assembling process, assembles above-mentioned cable introducing structure and also save the time than injecting glue, so be conducive to improve production efficiency, and line
Cable introduces structure and can carry out repeatedly dismantling use by repeated disassembled and assembled, in the maintenance in later period, is conducive to save former material
Material reduces production cost.
Detailed description of the invention
It to describe the technical solutions in the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
Needed in attached drawing be briefly described, it should be apparent that, the accompanying drawings in the following description is only of the invention some
Embodiment for those of ordinary skill in the art without any creative labor, can also be according to these
Attached drawing obtains other attached drawings.
When Fig. 1 is that cable provided in an embodiment of the present invention introduces structure and explosion-proof casing assembly and is in cable state to be inserted
Cut-away view；
Fig. 2 is the cross-sectional view for the compression barrel that cable provided in an embodiment of the present invention introduces structure；
When Fig. 3 is that cable provided in an embodiment of the present invention introduces structure and explosion-proof casing assembly and pulls away state in cable
Cut-away view.
Wherein, each appended drawing reference in figure:
10-cables introduce structure 11-and compress 12-compressing member of barrel
13-seal washer 14-seal plug, 111-cartridge bodies
The perforation of 112-barrel sealing 121-fixing end, 122-cables
123-stud cap 200-explosion-proof casing, 201-introduction holes
202-1111-sealing of positioning region, 1112-outer sealing surfaces of inner surface
1113-the first the 1115-the first packing layer of the 1114-the second open end of open end
1116-the second the 1118-the four packing layer of 1117-third of packing layer packing layer
1119-barrel guide surfaces.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment that Fig. 1~3 is described is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that, term " length ", " width ", "upper", "lower", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown, is merely for convenience of description of the present invention and simplification of the description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to limit of the invention
System.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is two or more,
Unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
As shown in Figures 1 to 3, one embodiment of the invention provides a kind of cable introducing structure 10, is suitable for cable (figure
Not showing) such as power supply line, data line by the introduction hole 201 on explosion-proof luminaire explosion-proof casing 200 be introduced to explosion-proof light
In equipment (not shown), to play the role of sealing the gap between cable and 201 hole wall of introduction hole.Specifically, such as Fig. 1 and figure
Shown in 2, it includes compression barrel 11 and compressing member 12 which, which introduces structure 10, wherein compression barrel 11 includes filled with sealing
The cartridge body 111 of filler, cartridge body 111 have the first open end 1113 and opposite first for being connected to introduction hole 201
It uses the end face of the second open end 1114 that open end 1113 is arranged and is connected with the first open end 1113, the first open end 1113
The positioning region 202 terminated in introduction hole 201 is supported in adaptation to limit cartridge body 111；Compressing member 12 is for squeezing cartridge body
111 make the deformation of cartridge body 111 to seal the gap between cable and introduction hole 201, and compressing member 12, which has, to be used for and introduction hole
The fixing end 121 of 201 connections and opposite 201 precession of introduction hole of energy or back-out, the end face of fixing end 121 and the second open end
1114 end face abuts, and compressing member 12 is also provided with the perforation of the cable for penetrating for cable 122, cable perforation 122 and second
Open end 1114 be connected cable perforation 122.
It includes compression barrel 11 and compressing member 12 that the cable of the embodiment of the present invention, which introduces structure 10, wherein compression barrel 11
Including being filled with airtight and watertight padding and can have interconnected by the cartridge body 111 that compression deforms, cartridge body 111
First open end 1113 and the second open end 1114, and cartridge body 111 also has in the sealing that can be bonded with cable outer wall
Surface 1111 and the outer sealing surface 1112 that can be bonded with the hole wall of introduction hole 201, i.e., when cartridge body 111 is extruded,
Sealing inner surface 1111 can be close to the outer wall of cable, and outer sealing surface 1112 can be close to the hole wall of introduction hole 201, compressing member
12 fixing end 121 protrude into introduction hole 201 connect with introduction hole 201 and can with respect to 201 precession of introduction hole or back-out, and
And the end face of 12 fixing end 121 of compressing member is abutted with the end face of 111 second open end 1114 of cartridge body, inside compressing member 12
It is also provided with the cable perforation 122 for wearing for cable and being connected with the second open end 1114 of cartridge body 111；Connection cables
When, cable sequentially pass through cable perforate enter after the 122, second open end 1114, the first open end 1113 and introduction hole 201 it is explosion-proof
In the explosion-proof casing 200 of equipment, after the completion of cable is worn, cartridge body 111 is sheathed on cable and places it in introduction hole
In 201, the end of 111 first open end 1113 of cartridge body is abutted with the positioning region 202 in introduction hole 201, then again will pressure
The fixing end 121 of tight part 12 is plugged in introduction hole 201, and rotation compressing member 12 makes it with respect to 201 precession of introduction hole, and makes to fix
The end face at end 121 squeezes cartridge body 111, and cartridge body 111, which is squeezed, to be occurred transversely deforming and fill cable and introduction hole 201
Between gap, at this point, the sealing inner surface 1111 of cartridge body 111 is close to the outer wall of cable, outer sealing surface 1112 with
The hole wall of introduction hole 201 is close to, to realize cable in the sealed connection in introduction hole 201.In this way, passing through driving compressing member 12
Motion compresses are sheathed on the cartridge body 111 between 201 hole wall of cable and introduction hole, and deformation occurs fills out for 111 stress of cartridge body
Fill the gap between 201 hole wall of cable and introduction hole, in this way, the gap of cable and 201 hole wall of introduction hole be not necessarily to by injecting glue into
Row sealing avoids excessive glue from influencing the flame proof of explosion-proof casing 200 so as to avoid the explosion suppresion surface excessive glue to explosion-proof casing 200
Energy；Meanwhile during producing assembly, the cable for assembling the present embodiment introduces structure 10 and also saves the time than injecting glue, so
Be conducive to improve production efficiency, and the cable introduces structure 10 and can carry out more by repeated disassembled and assembled, in the maintenance in later period
Secondary disassembly uses, and is more advantageous to saving raw material compared to injecting glue sealing, reduces production cost.
Specifically, as shown in Figure 1, in the present embodiment, positioning region 202 is to be set to introduction hole 201 close to cartridge body
At the lower end position of 111 first open ends 1113 and to the central axes of introduction hole 201 extend boss structure, cartridge body 111
The end face of the first open end 1113 be adapted to abutting with the boss structure, to realize cartridge body 111 in the limit in introduction hole 201
Position.Certainly, in some other embodiments, positioning region 202 is also possible to other structures with position-limiting action, is such as arranged to
Location structure etc. with mounting groove, will not repeat them here.
In another embodiment of the invention, it the 122, second open end 1114 and first is opened as shown in Figure 1, cable is perforated
The center line of mouth 1113 three of end is overlapped, it is ensured that cable is not in skew when being inserted into, and helps to realize cable in introduction hole 201
Interior sealed connection.
In another embodiment of the invention, as shown in Fig. 2, along the first open end 1113 to the second in cartridge body 111
The direction of open end 1114 has been sequentially filled the first packing layer 1115, the second packing layer 1116, third packing layer 1117 and the 4th
Packing layer 1118, and the first packing layer 1115, the second packing layer 1116, third packing layer 1117 and the 4th packing layer 1118 are filled out
Material partial size sequentially increases, and is successively filled by particle size, and when sealing, the smallest first packing layer 1115 of packing material size is located at
The lowermost end of introduction hole 201 is simultaneously connected to positioning region 202, maximum 4th packing layer 1118 of packing material size be located at topmost and with
The fixing end 121 of compressing member 12 abuts, and carries out sufficiently in this way, being conducive to compressing member 12 to cartridge body 111 (compression barrel 11)
It squeezes, to play the role of successively sealing, to effectively improve the sealing effect after 111 compressive deformation of cartridge body.
In another embodiment of the invention, as shown in Fig. 2, the partial size of filler is preferably 8mm in the first packing layer 1115
~10mm is specifically as follows the filler of the common partial size such as 8mm, 9mm or 10mm；The partial size of filler is excellent in second packing layer 1116
It is selected as 10mm~12mm, is specifically as follows the filler of the common partial size such as 10mm, 11mm or 12mm；It is filled out in third packing layer 1117
The partial size of material is preferably 12mm~14mm, is specifically as follows the filler of the common partial size such as 12mm, 13mm or 14mm；4th filler
The partial size of filler is preferably that 14mm~16mm is specifically as follows filling out for the common partial size such as 14mm, 15mm or 16mm in layer 1118
Material.It is highly preferred that the partial size of filler is 10mm in the first packing layer 1115, the partial size of filler is in the second packing layer 1116
The partial size of filler is 14mm in 12mm, third packing layer 1117, the partial size of filler is 16mm in the 4th packing layer 1118.
In another embodiment of the invention, as shown in Fig. 2, the first packing layer 1115, the second packing layer 1116, third are filled out
Filler in the bed of material 1117 and the 4th packing layer 1118 is mining filler.Mining filler is a kind of foam filling product, by
Two-part reaction generates, and has good gas barrier properties and foaminess, has explosion-proof, antistatic outstanding and flame retardant property, material
Performance is stable, lasting after molding, is not easily broken；Most of all, it also has good compressibility, be squeezed adaptive deformation
Ability is strong, can adapt to various compressional movements, remains and fits closely with compressive plane, so that it is guaranteed that its good sealing is special
Property.Certainly, other explosion-proof and deformable seal abilities can also be filled in some other embodiments, in cartridge body 111
Other good fillers, do not do unique restriction herein.
In another embodiment of the invention, the surface material of cartridge body 111 is preferably neoprene film, i.e. filler is filled out
It fills and above-mentioned cartridge body 111 is made in neoprene film.Due to the tensile strength of neoprene, elongation, resilience, tear
The physical mechanical property of resistance to spalling etc. is preferable, uses it as cartridge body 111 made of package filler, can show good
Deformability and rebound recovery capability, it is ensured that after 111 extrusion of cartridge body have good sealability.Specifically
Ground, is free of asbestos component in the neoprene film of the present embodiment, and its surfacing, smooth, fire-retardant to meet MT113-1995 mark
The requirement of 6.1.2 in standard, shore hardness be 45 °~55 °, ageing properties by 100 ± 5 DEG C of heating 168h, room temperatures for 24 hours, -20 ± 2
DEG C freezing 48h, room temperature firmness change≤20% after program is tested for 24 hours,
In another embodiment of the invention, as depicted in figs. 1 and 2, cartridge body 111 is close to the first open end 1113
The outer surface (i.e. the outer sealing surface 1112 of cartridge body 111) 1112 at the place of setting is tilted with towards the center of cartridge body 111
Barrel guide surface 1119, i.e. cartridge body 111 are equipped with reducer far from one end of compressing member 12, and the outer diameter of reducer is along from second
The direction of 1114 to the first open end 1113 of open end is gradually reduced, so that the outer surface in the region forms guiding surface.In this way,
By cartridge body 111 be embedded in introduction hole 201 in when, barrel guide surface 1119 can cooperate with the aperture side wall of introduction hole 201 into
Row guiding, the positioning more easy to install of when assembly.
In another embodiment of the invention, as depicted in figs. 1 and 2, compression barrel 11 further includes being set to cartridge body 111
Interior barrel sealing 112, the periphery of barrel sealing 112 are connect with the inner surface (i.e. sealing inner surface 1111) of cartridge body 111,
Barrel sealing 112 is close to the second open end 1114.That is, compression barrel 11 further includes being arranged at intervals at the first open end 1113 and the
Barrel sealing 112 between two open ends 1114, barrel sealing 112 are connected with cartridge body 111；Compression barrel 11 is not made
Used time, the barrel sealing 112 are in good working condition, compression barrel 11 are embedded in introduction hole 201, when explosion-proof luminaire is not required to
When wanting connection cables, which can play the work of xegregating unit inner space Yu 200 exterior space of explosion-proof casing
With, avoid external sundries by introduction hole 201 enter equipment inside；And when needing grafting cable, which can
It is directly punctured by cable, also, after cable punctures the barrel sealing 112, cable squeezes the filler in barrel sealing 112, filler
It is mobile to 111 side of cartridge body, it is ensured that cable is smoothly inserted into, meanwhile, the filler in barrel sealing 112 is tight with cable outer wall always
Patch, to help to improve the sealing performance of compression barrel 11.
In another embodiment of the invention, as shown in Figure 1, compressing member 12 is to compress stud, the fixing end of stud is compressed
It is provided on 121 for being adapted to the external screw thread being spirally connected with the internal screw thread of introduction hole 201, needs for compressing member 12 to be fixedly connected on and draw
When entering hole 201, stud only need to be rotatably compressed, so that its fixing end 121 and introduction hole 201 is spirally connected fixed, it is easy to operate, and energy
Enough squeezing actions to 12 pairs of compressing member compression barrels 11 of realization；Specifically, when compression barrel 11 is placed in introduction hole 201,
Second open end 1114 of its cartridge body 111 is located at the lower section in 201 aperture of introduction hole, and the internal screw thread of introduction hole 201 is set to
Between 201 aperture of introduction hole and the port of the second open end 1114 of cartridge body 111, and slightly towards cartridge body 111
Extend below the ports of two open ends 1114, can so take into account compress stud to compression barrel 11 it is effective squeeze and its with draw
Enter being fastenedly connected for hole 201.More specifically, the end for compressing stud face fixing end 121 is provided with stud cap 123, cable is worn
Stud cap 123 is run through in hole 122, and the cross sectional dimensions of stud cap 123 is greater than the orifice area of introduction hole 201, avoids compressing spiral shell
Column is integrally fallen into introduction hole 201.Specifically, the compression stud surface of the present embodiment is without obvious point and the defects of burr,
Surface true qualities oxidation processes are resistant to salt spray test for 24 hours, and fixing end screw thread meets GB-T197 standard, screw thread basic size symbol
Close GB/T196 standard.
In another embodiment of the invention, as shown in Figure 1, it further includes seal washer 13 that cable, which introduces structure 10, sealing
Washer 13 is located between the end face of the second open end 1114 of cartridge body 111 and the end face of the fixing end 121 of compressing member 12,
And 13 sharp edge of seal washer is blunt, pierces without deformation, surface Glabrous, in this way, when the end face of 12 fixing end 121 of compressing member squeezes
When compressing barrel 11, first extruding force is applied on seal washer 13, then the extruding force is passed into pressure by seal washer 13
Contracting barrel 11, extruding force after seal washer 13 via being divided evenly to compression barrel 11, so as to avoid compression barrel 11
Unbalance stress or be compacted part 12 fixing end 121 end face on burr etc. puncture.Preferably, the cross section of seal washer 13
Shape it is identical with the end surface shape of 111 second open end 1114 of cartridge body, with realize to extrusion stress to greatest extent
Distribution.Specifically, blue zinc is plated on 13 surface of seal washer, to advanced optimize every physicochemical property of seal washer 13.
In another embodiment of the invention, as shown in figure 3, it further includes seal plug 14 that cable, which introduces structure 10, sealing
Plug 14 is adapted to the second open end 1114 for being covered in cartridge body 111.Seal plug 14 is set and covers cartridge body 111, when
After cable pulls away explosion-proof luminaire, which is covered to the second open end 1114 of connection cartridge body 111, then
Compressing member 12 is connected to introduction hole 201 again, in this way, the inside and outside of explosion-proof luminaire explosion-proof casing 200 is isolated in seal plug 14
Space avoids sundries from entering in explosion-proof casing 200 through introduction hole 201；When grafting cable, which is taken out.
Another embodiment of the present invention additionally provides a kind of explosion-proof luminaire, as shown in Figure 1, including cable (not shown)
With explosion-proof casing 200, the introduction hole 201 penetrated for cable is offered on explosion-proof casing 200, explosion-proof luminaire further includes above-mentioned
Cable introduces structure 10, and cable introduces structure 10 by cable and introduction hole 201 is tightly connected.
The explosion-proof luminaire of the embodiment of the present invention introduces structure 10 using above-mentioned cable come to being arranged in introduction hole 201
Interior cable is sealed, and by 111 stress of cartridge body, deformation occurs come between filling between cable and introduction hole 201
Gap, in this way, without being sealed by injecting glue between 201 hole wall of cable and introduction hole, in the height for ensuring explosion-proof luminaire
Under the premise of sealing, the explosion suppresion surface excessive glue to explosion-proof casing 200 can be avoided, excessive glue is avoided to influence the flame proof of explosion-proof casing 200
Performance；In addition, assembling above-mentioned cable in the production assembling process of explosion-proof luminaire and introducing structure 10 also than injecting glue saving
Time, so be conducive to improve production efficiency, and cable introduce structure 10 can in the maintenance in later period by repeated disassembled and assembled
It is used with carrying out repeatedly disassembly, is conducive to save raw material, reduces production cost.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of cable introduces structure, anti-suitable for cable to be introduced to by the introduction hole on explosion-proof luminaire explosion-proof casing
In quick-fried lighting apparatus characterized by comprising
Barrel is compressed, the compression barrel includes the cartridge body filled with airtight and watertight padding, and the cartridge body has for connecting
Lead to the introduction hole the first open end and relatively first open end be arranged and be connected with first open end the
Two open ends, the end face of first open end are used to be adapted to the positioning region supported and terminated in the introduction hole to limit the barrel
Main body；
Compressing member, the compressing member have for connecting with the introduction hole and can the relatively described introduction hole precession or back-out
Fixing end, the end face of the fixing end are abutted with the end face of second open end, and the compressing member is also provided with for for institute
The cable perforation that cable penetrates is stated, the cable perforation is connected with second open end.
2. cable according to claim 1 introduces structure, which is characterized in that along first opening in the cartridge body
End to the direction of second open end has been sequentially filled the first packing layer, the second packing layer, third packing layer and the 4th filler
Layer, and first packing layer, second packing layer, the third packing layer and the 4th packing layer packing material size according to
Sequence increases.
3. cable according to claim 2 introduces structure, which is characterized in that the partial size of filler is in first packing layer
8mm~10mm, the partial size of filler is 10mm~12mm in second packing layer, and the partial size of filler is in the third packing layer
12mm~14mm, the partial size of filler is 14mm~16mm in the 4th packing layer.
4. cable according to claim 2 introduces structure, which is characterized in that first packing layer, second filler
Filler in layer, the third packing layer and the 4th packing layer is mining filler.
5. cable according to claim 1 introduces structure, which is characterized in that the cartridge body is close to first opening
The center of outer surface towards the cartridge body at end position is tilted with barrel guide surface.
6. described in any item cables introduce structures according to claim 1~5, which is characterized in that the compression barrel further includes
The periphery of barrel sealing in the cartridge body, the barrel sealing is connect with the inner surface of the cartridge body, institute
Barrel sealing is stated close to second open end.
7. described in any item cables introduce structure according to claim 1~5, which is characterized in that the compressing member is to compress spiral shell
Column, it is described compress stud fixing end on be provided with for being adapted to the external screw thread being spirally connected with the internal screw thread of the introduction hole, it is described
The end for compressing fixing end described in stud face is provided with stud cap, and the cable perforation runs through the stud cap, and the spiral shell
The cross sectional dimensions of bolumn cap is greater than the cross sectional dimensions of the cartridge body.
8. described in any item cables introduce structure according to claim 1~5, which is characterized in that the cable introduces structure also
Including seal washer, the seal washer is located between the end face of second open end and the end face of the fixing end.
9. described in any item cables introduce structure according to claim 1~5, which is characterized in that the cable introduces structure also
Including seal plug, the seal plug adaptation is covered in the second open end of the cartridge body.
10. a kind of explosion-proof luminaire, including cable and explosion-proof casing, offers on the explosion-proof casing and penetrated for the cable
Introduction hole, which is characterized in that the explosion-proof luminaire further includes that any one of claim 1~9 cable introduces structure,
The cable introduces structure by the cable and the introduction hole is tightly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910397627.8A CN110094703A (en) | 2019-05-14 | 2019-05-14 | Explosion-proof luminaire and its cable introduce structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910397627.8A CN110094703A (en) | 2019-05-14 | 2019-05-14 | Explosion-proof luminaire and its cable introduce structure |
Publications (1)
| Publication Number | Publication Date |
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| CN110094703A true CN110094703A (en) | 2019-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910397627.8A Pending CN110094703A (en) | 2019-05-14 | 2019-05-14 | Explosion-proof luminaire and its cable introduce structure |
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| Country | Link |
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| CN (1) | CN110094703A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709859A (en) * | 2009-11-19 | 2010-05-19 | 海洋王照明科技股份有限公司 | Sealing structure of wire inlet hole and explosion-proof lamp |
| CN104154243A (en) * | 2014-06-19 | 2014-11-19 | 宁波天生密封件有限公司 | Sealing method of compression padding with density gradient and compression padding produced according to method |
| CN106051318A (en) * | 2016-07-20 | 2016-10-26 | 哈尔滨电气动力装备有限公司 | Combined sealing signal line structure bearing external pressure |
| CN208479780U (en) * | 2018-07-13 | 2019-02-05 | 杭州海康威视数字技术股份有限公司 | A kind of infrared explosion-proof video camera |
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2019
- 2019-05-14 CN CN201910397627.8A patent/CN110094703A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709859A (en) * | 2009-11-19 | 2010-05-19 | 海洋王照明科技股份有限公司 | Sealing structure of wire inlet hole and explosion-proof lamp |
| CN104154243A (en) * | 2014-06-19 | 2014-11-19 | 宁波天生密封件有限公司 | Sealing method of compression padding with density gradient and compression padding produced according to method |
| CN106051318A (en) * | 2016-07-20 | 2016-10-26 | 哈尔滨电气动力装备有限公司 | Combined sealing signal line structure bearing external pressure |
| CN208479780U (en) * | 2018-07-13 | 2019-02-05 | 杭州海康威视数字技术股份有限公司 | A kind of infrared explosion-proof video camera |
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Application publication date: 20190806 |