CN106921132A - A kind of explosion-proof wiring box of high safety performance new material - Google Patents
A kind of explosion-proof wiring box of high safety performance new material Download PDFInfo
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- CN106921132A CN106921132A CN201710274245.7A CN201710274245A CN106921132A CN 106921132 A CN106921132 A CN 106921132A CN 201710274245 A CN201710274245 A CN 201710274245A CN 106921132 A CN106921132 A CN 106921132A
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- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/18—Distribution boxes; Connection or junction boxes providing line outlets
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/08—Anti-corrosive paints
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/63—Additives non-macromolecular organic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- 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
- H02G15/08—Cable junctions
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
-
- 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
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/22—Installations of cables or lines through walls, floors or ceilings, e.g. into buildings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Inorganic Chemistry (AREA)
- Casings For Electric Apparatus (AREA)
- Connection Or Junction Boxes (AREA)
Abstract
The present invention relates to a kind of explosion-proof wiring box of high safety performance new material, including casing, case lid and threading opening are constituted, described box house is provided with connecting terminal block, the wall of casing four is equipped with more than one threading opening, roll is equipped with box house each threading opening, described roll is by screw rod I through being connected with bottom screw socket, cable sealed joint is equipped with each described threading opening, wherein, the cable sealed joint includes retaining mechanism, threading mechanism and fixed mechanism, fixation is locked by screw thread between retaining mechanism and threading mechanism, threading structure is plug-type to be fixed on fixed mechanism, fixed mechanism is fixed on threading opening, with simple structure, convenient disassembly, the characteristics of good airproof performance, improve the security performance of explosion-proof wiring box.
Description
Technical field
The present invention relates to a kind of junction box, more particularly to a kind of explosion-proof wiring box of high safety performance new material.
Background technology
The explosion-proof form of the electrical explosion proof equipment mostly flame-proof type for being used at present, will can produce during electric equipment operation
The part of spark arc is placed in explosion-proof casing, and explosion-proof casing bears blast pressure, and can guarantee that the flame gas of inside pass through
Gap reduces energy when propagating, and prevents from igniting extraneous gas, and explosion-proof wiring box is higher in explosive place utilization rate, existing explosion-proof
Junction box is internally provided only with binding post, and the line length of turnover is more fixed, thus when to being electrically modified often
Occur existing line length can not meet change after required length, just have to increase junction box or be replaced with longer
Overall circuit, thus the time needed for equipment cost and rewiring can be increased and human input, even if there is reserved line also can
The outside of casing is placed on, causes outside line very chaotic.
A kind of explosion-proof wiring box of Patent No. " 201420190732.7 ", is made up of casing, case lid and threading opening, institute
The box house stated is provided with connecting terminal block, and the wall of casing four is equipped with more than one threading opening, box house each threading opening
Place is equipped with roll, and described roll, through being connected with bottom screw socket, is equipped with by screw rod I in each described threading opening
Cable sealed joint；Solve the problems, such as that the length of existing line during the change of later stage circuit is inadequate, in addition, this structure also keeps away
Exempt from outside line stretching suddenly and caused that the circuit at internal wiring terminal is easy to the drawbacks of coming off, play the fixed work for buffering
With, at the same do not interfere with box house and casing outside line it is clean and tidy in order.
But, the cable sealed joint simple structure of the patent, sealing property is not high, it is impossible to ensure to use safety.
The content of the invention
The present invention proposes a kind of explosion-proof wiring box of high safety performance new material regarding to the issue above, with structure letter
Single, the cable sealed joint of convenient disassembly, good airproof performance improves the security performance of explosion-proof wiring box.
Specific technical scheme is as follows：
A kind of explosion-proof wiring box of high safety performance new material, including casing, case lid and threading opening are constituted, described casing
Inside is provided with connecting terminal block, and the wall of casing four is equipped with more than one threading opening, is equipped with box house each threading opening
Roll, described roll, through being connected with bottom screw socket, cable seal is equipped with each described threading opening by screw rod I
Joint, wherein, the cable sealed joint includes retaining mechanism, threading mechanism and fixed mechanism, retaining mechanism and threading mechanism
Between fixation is locked by screw thread, threading structure is plug-type to be fixed on fixed mechanism, and fixed mechanism is fixed on threading
On mouth；
Layer protective layer is coated on the casing, the composition of the protective layer counts as follows by weight：
Epoxy resin 35-48 parts, 0.5-4 parts of high alumina ceramic particle, methylisobutylketone 3-9 parts, polyacrylamide 2-8 parts,
Sodium pyrophosphate 1-3 parts, diphenylthanedione 2-4 parts, acetone 0.1-2 parts, polypropylene glycerol aether 8-16 parts, M-phthalic acid 4-
10 parts, chlorinated paraffin 15-22 parts, titanium dioxide 1-4 parts, n-butanol 20-35 parts；
The preparation method of the protective layer is：Above-mentioned each component is added in ball mill, after ball grinding stirring 4-8h, transfer
Into reactor, 1-2h is stirred under the conditions of being 85-120 DEG C in temperature, be well mixed it, temperature is reduced to 45-55 DEG C, and tie up
Hold after this temperature lucifuge stirring 20-40min, ultrasonic 1-2h, vacuum defoamation 5-8h obtain protective layer.
A kind of explosion-proof wiring box of above-mentioned high safety performance new material, wherein, the retaining mechanism is cylindrical structure, lock
First passage is provided with tight mechanism, the outer wall of retaining mechanism is provided with external screw thread；
The threading mechanism includes upper lock sleeve, threading set and lower clamping mechanism, and upper lock sleeve and threading set are cylinder
Structure, is provided with second channel in upper lock sleeve, second channel inwall is provided with internal thread, the interior spiral shell of the second channel of upper lock sleeve
Mutual cooperation between line and the external screw thread of retaining mechanism, third channel is provided with threading set, and threading set is weldingly fixed on locks
On the second channel inwall of tight set, lower clamping mechanism includes lower clamping base, interior clamping ring and outer clamping ring, and lower clamping base is
Cirque structure, is longitudinally provided with some first longitudinal direction grooves on interior clamping ring, some second longitudinal direction grooves are longitudinally provided with outer clamping ring,
First longitudinal direction groove is identical with the quantity of second longitudinal direction groove and is staggered, and lower clamping base is fixed on threading set bottom, interior clamping
Under being fixed on that ring and outer clamping ring are respectively perpendicular inside and outside clamping base, interior clamping ring, outer clamping ring and lower clamping bottom
Around forming the first clamping chamber, the width in the first clamping chamber is L2 to seat, and the outer wall of the inwall of interior clamping ring and outer clamping ring is all provided with
There is a circle clamping terminal, the cross sectional shape of clamping terminal is the inwall of arc-shaped structure, the outer wall of interior clamping ring and outer clamping ring
On be equipped with a circle avoiding hollow groove；
The fixed mechanism is cylindrical structure, and fourth lane is provided with fixed mechanism, top-down on fixed mechanism
It is sequentially provided with the second interconnected clamping chamber of a circle, the 3rd clamping chamber, the 4th clamping chamber and the 5th clamping chamber, the second clamping chamber
Coordinate with lower clamping mechanism gap, the internal diameter d5 in the 3rd clamping chamber is fixed more than the distance between two clamping terminal outer rims L1
Locking mechanism is additionally provided with mechanism, locking mechanism includes locking mechanism base and the locking being vertically fixed on locking mechanism base
Terminal, locking mechanism base is fixed in the 5th clamping chamber, and lock terminal is located in the 3rd clamping chamber through the 4th clamping chamber, lock
The cross sectional shape of fixed end is isosceles trapezoidal structure, and lock terminal top raises up Formation cross-section for the transition of circular arc is convex
Block, the width at the top of lock terminal is L3, and the width of lock terminal bottom is L4, L3=(0.95-0.98) * L2, L4=
(1.05-1.2) * L2, in the 3rd clamping chamber of the plug-type insertion of lower clamping mechanism, make lock terminal snap in the of lower clamping mechanism
In one clamping chamber, threading mechanism is set to be fixed on fixed mechanism.
A kind of explosion-proof wiring box of above-mentioned high safety performance new material, wherein, the fixed mechanism bottom is provided with outside a circle
Retainer ring.
A kind of explosion-proof wiring box of above-mentioned high safety performance new material, wherein, the internal diameter of the first passage is d1, the 3rd
The internal diameter of passage is d2, and the internal diameter of interior clamping ring is d3, and the internal diameter of fourth lane is d4, d1=d3 ＞ d4 ＞ d2.
A kind of explosion-proof wiring box of above-mentioned high safety performance new material, wherein, the inwall in the second clamping chamber is provided with
Some seal grooves, are provided with sealing ring in seal groove, the height of the thickness more than seal groove of sealing ring makes sealing ring exposed in sealing
Outside groove.
A kind of explosion-proof wiring box of above-mentioned high safety performance new material, wherein, the upper lock sleeve and lower clamping mechanism with
Stainless steel, brass or aluminium alloy are made up of material；Polytetrafluoroethylene (PTFE) is made up of material for threading set and lock terminal.
A kind of explosion-proof wiring box of above-mentioned high safety performance new material, wherein, the clamping terminal is provided with cushion chamber.
Beneficial effects of the present invention are：
When the present invention is used, first fixed mechanism is fixed on casing, and the cable for needing to introduce is sequentially passed through in advance
The retaining mechanism and threading mechanism for fixing, the third channel of threading mechanism and cable interference fit, finally by threading mechanism it
Between snap-in be fixed on fixed mechanism；Interior clamping ring and outer clamping ring are subjected to displacement in the presence of lock terminal,
It is brought into close contact with sealing ring, clamping terminal plays position-limiting action, realizes multiple fixation；Cable on explosion-proof wiring box of the present invention is close
Sealing joint simple structure, convenient disassembly, good airproof performance improves the security performance of explosion-proof wiring box；
Layer protective layer is coated on casing, the performance of casing anticorrosion antiwear is improve, further be ensure that and used peace
Entirely.
Brief description of the drawings
Fig. 1 is structure chart of the present invention.
Fig. 2 is cable sealed joint sectional view of the present invention.
Fig. 3 is threading mechanism sectional view of the present invention.
Fig. 4 is fixed mechanism sectional view of the present invention.
Fig. 5 is the lower clamping mechanism upward view of the present invention.
Fig. 6 is A portions of the present invention enlarged drawing.
Specific embodiment
To make technical scheme become apparent from clearly, the present invention is described further below in conjunction with the accompanying drawings,
Any technical characteristic to technical solution of the present invention carries out the scheme that equivalencing and conventional reasoning draw and each falls within guarantor of the present invention
Shield scope.
Reference
Casing 1, connecting terminal block 4, roll 5, screw rod I 6, cable sealed joint 9, retaining mechanism 11, threading mechanism 12,
Fixed mechanism 13, first passage 14, upper lock sleeve 15, threading set 16, lower clamping mechanism 17, second channel 18, third channel 19,
Lower clamping base 110, interior clamping ring 111, outer clamping ring 112, first longitudinal direction groove 113, second longitudinal direction groove 114, the first clamping chamber
115th, clamping terminal 116, avoiding hollow groove 117, fourth lane 118, outer retainer ring 119, the second clamping chamber 120, the 3rd clamping chamber
121st, the 4th clamping chamber 122, the 5th clamping chamber 123, locking mechanism 124, locking mechanism base 125, lock terminal 126, transition
Projection 127, seal groove 128, sealing ring 129, cushion chamber 130.
Embodiment one
A kind of explosion-proof wiring box of high safety performance new material, including casing 1, case lid as shown in the figure and threading opening are constituted,
Described box house is provided with connecting terminal block 4, and the wall of casing four is equipped with more than one threading opening, box house each threading
Be equipped with roll 5 at mouthful, described roll by screw rod I 6 through be connected with bottom screw socket, it is equal in each described threading opening
Cable sealed joint 9 is provided with, cable sealed joint includes retaining mechanism 11, threading mechanism 12 and fixed mechanism 13, retaining mechanism
Fixation is locked by screw thread between threading mechanism, threading structure is plug-type to be fixed on fixed mechanism, fixed mechanism
It is fixed on threading opening；
The retaining mechanism is cylindrical structure, and first passage 14 is provided with retaining mechanism, is set on the outer wall of retaining mechanism
There is external screw thread；
The threading mechanism includes that upper lock sleeve 15, threading covers 16 and lower clamping mechanism 17, and upper lock sleeve and threading set are
Cylindrical structure, is provided with second channel 18 in upper lock sleeve, second channel inwall is provided with internal thread, and the second of upper lock sleeve leads to
Mutual cooperation between the internal thread in road and the external screw thread of retaining mechanism, is provided with third channel 19, threading set welding in threading set
It is fixed on the second channel inwall of lock sleeve, lower clamping mechanism includes lower clamping base 110, interior clamping ring 111 and wild card
Ring 112 is connect, lower clamping base is cirque structure, some first longitudinal direction grooves 113 is longitudinally provided with interior clamping ring, on outer clamping ring
Longitudinal direction is provided with some second longitudinal direction grooves 114, and first longitudinal direction groove is identical with the quantity of second longitudinal direction groove and is staggered, lower clamping bottom
Seat is fixed on threading set bottom, interior under being fixed on that interior clamping ring and outer clamping ring are respectively perpendicular inside and outside clamping base
, around the first clamping chamber 115 is formed, the width in the first clamping chamber is L2, interior clamping for clamping ring, outer clamping ring and lower clamping base
The outer wall of the inwall of ring and outer clamping ring is equipped with a circle clamping terminal 116, and the cross sectional shape of clamping terminal is arc-shaped structure,
What is caved inward on the inwall of the outer wall of interior clamping ring and outer clamping ring is provided with a circle avoiding hollow groove 117；
The fixed mechanism is cylindrical structure, and fourth lane 118 is provided with fixed mechanism, and the fixed mechanism bottom sets
There is the outer retainer ring 119 of a circle, it is top-down on fixed mechanism to be sequentially provided with the second interconnected clamping chamber 120 of a circle, the
Three clamping chambers 121, the 4th clamping chamber 122 and the 5th clamping chamber 123, the second clamping chamber coordinate with lower clamping mechanism gap, and the 3rd
The internal diameter d5 in clamping chamber is additionally provided with locking mechanism 124 more than the distance between two clamping terminal outer rims L1 in fixed mechanism, lock
Determining mechanism includes locking mechanism base 125 and the lock terminal 126 being vertically fixed on locking mechanism base, locking mechanism base
It is fixed in the 5th clamping chamber, lock terminal is located in the 3rd clamping chamber through the 4th clamping chamber, the cross sectional shape of lock terminal
It is the transition projection 127 that Formation cross-section is circular arc that raised up at the top of isosceles trapezoidal structure, lock terminal, lock terminal top
Width be L3, the width of lock terminal bottom is L4, L3=(0.95-0.98) * L2, L4=(1.05-1.2) * L2, lower clamping
In the 3rd clamping chamber of the plug-type insertion of mechanism, in lock terminal is snapped in the first clamping chamber of lower clamping mechanism, due to locking
The width of terminal bottom is more than the width in the first clamping chamber, therefore, interior clamping ring and outer clamping ring are in the presence of lock terminal
It is pressed together in the second clamping cavity wall, so that threading mechanism is fixed on fixed mechanism.
The internal diameter of the first passage is d1, and the internal diameter of third channel is d2, and the internal diameter of interior clamping ring is d3, fourth lane
Internal diameter be d4, d1=d3 ＞ d4 ＞ d2；The inwall in the second clamping chamber is provided with some seal grooves 128, is set in seal groove
There is sealing ring 129, the height h2 of the thickness h 1 more than seal groove of sealing ring makes sealing ring exposed outside seal groove；It is described to lock
Tight set and lower clamping mechanism are made up with stainless steel, brass or aluminium alloy of material；Threading set and lock terminal polytetrafluoro
Ethene is made up of material；The clamping terminal is provided with cushion chamber 130.
Further, layer protective layer is coated on the casing, the composition of the protective layer is counted such as by weight
Under：
38 parts of epoxy resin, 2 parts of high alumina ceramic particle, 4.5 parts of methylisobutylketone, 4 parts of polyacrylamide, sodium pyrophosphate 2
Part, 3 parts of diphenylthanedione, 0.8 part of acetone, 10 parts of polypropylene glycerol aether, 6 parts of M-phthalic acid, 18 parts of chlorinated paraffin, titanium
3 parts of white powder, 24 parts of n-butanol；
The preparation method of the protective layer is：Above-mentioned each component is added in ball mill, after ball grinding stirring 5.5h, transfer
Into reactor, 1.5h is stirred under the conditions of being 90 DEG C in temperature, be well mixed it, temperature is reduced to 50 DEG C, and maintain herein
After temperature lucifuge stirring 32min, ultrasonic 1.5h, vacuum defoamation 7h obtain protective layer.
Embodiment two
With a kind of explosion-proof wiring box of the high safety performance new material described in embodiment one, its difference is：
Layer protective layer is coated on the casing, the composition of the protective layer counts as follows by weight：
35 parts of epoxy resin, 0.5 part of high alumina ceramic particle, 3 parts of methylisobutylketone, 2 parts of polyacrylamide, sodium pyrophosphate 1
Part, 2 parts of diphenylthanedione, 0.1 part of acetone, 8 parts of polypropylene glycerol aether, 4 parts of M-phthalic acid, 15 parts of chlorinated paraffin, titanium
1 part of white powder, 20 parts of n-butanol；
The preparation method of the protective layer is：Above-mentioned each component is added in ball mill, after ball grinding stirring 4h, is transferred to
In reactor, 1h is stirred under the conditions of being 85 DEG C in temperature, be well mixed it, temperature is reduced to 45 DEG C, and maintain in this temperature
After lucifuge stirring 20min, ultrasonic 1h, vacuum defoamation 5h obtain protective layer.
Embodiment three
With a kind of explosion-proof wiring box of the high safety performance new material described in embodiment one, its difference is：
Layer protective layer is coated on the casing, the composition of the protective layer counts as follows by weight：
48 parts of epoxy resin, 4 parts of high alumina ceramic particle, 9 parts of methylisobutylketone, 8 parts of polyacrylamide, 3 parts of sodium pyrophosphate,
4 parts of diphenylthanedione, 2 parts of acetone, 16 parts of polypropylene glycerol aether, 10 parts of M-phthalic acid, 22 parts of chlorinated paraffin, titanium dioxide
4 parts, 35 parts of n-butanol；
The preparation method of the protective layer is：Above-mentioned each component is added in ball mill, after ball grinding stirring 8h, is transferred to
In reactor, 2h is stirred under the conditions of being 120 DEG C in temperature, be well mixed it, temperature is reduced to 55 DEG C, and maintain in this temperature
After lucifuge stirring 40min, ultrasonic 2h, vacuum defoamation 8h obtain protective layer.
Claims (7)
1. a kind of explosion-proof wiring box of high safety performance new material, including casing, case lid and threading opening are constituted, in described casing
Portion is provided with connecting terminal block, and the wall of casing four is equipped with more than one threading opening, be equipped with box house each threading opening around
Bobbin, by screw rod I through being connected with bottom screw socket, being equipped with cable seal in each described threading opening connects for described roll
Head, it is characterized by, the cable sealed joint includes retaining mechanism, threading mechanism and fixed mechanism, retaining mechanism and threader
Fixation is locked by screw thread between structure, threading structure is plug-type to be fixed on fixed mechanism, fixed mechanism is fixed on to be worn
On line mouthful；
Layer protective layer is coated on the casing, the composition of the protective layer counts as follows by weight：
Epoxy resin 35-48 parts, 0.5-4 parts of high alumina ceramic particle, methylisobutylketone 3-9 parts, polyacrylamide 2-8 parts, burnt phosphorus
Sour sodium 1-3 parts, diphenylthanedione 2-4 parts, acetone 0.1-2 parts, polypropylene glycerol aether 8-16 parts, M-phthalic acid 4-10
Part, chlorinated paraffin 15-22 parts, titanium dioxide 1-4 parts, n-butanol 20-35 parts；
The preparation method of the protective layer is：Above-mentioned each component is added in ball mill, after ball grinding stirring 4-8h, is transferred to anti-
Answer in kettle, 1-2h is stirred under the conditions of being 85-120 DEG C in temperature, be well mixed it, temperature is reduced to 45-55 DEG C, and maintain
After this temperature lucifuge stirring 20-40min, ultrasonic 1-2h, vacuum defoamation 5-8h obtain protective layer.
2. a kind of explosion-proof wiring box of high safety performance new material as claimed in claim 1, it is characterized by, the retaining mechanism
It is cylindrical structure, first passage is provided with retaining mechanism, the outer wall of retaining mechanism is provided with external screw thread；
The threading mechanism includes upper lock sleeve, threading set and lower clamping mechanism, and upper lock sleeve and threading set are cylindrical structure,
Be provided with second channel in upper lock sleeve, second channel inwall is provided with internal thread, the internal thread of the second channel of upper lock sleeve with
Mutual cooperation between the external screw thread of retaining mechanism, third channel is provided with threading set, and threading set is weldingly fixed on lock sleeve
Second channel inwall on, lower clamping mechanism include lower clamping base, interior clamping ring and outer clamping ring, lower clamping base be annulus
Shape structure, is longitudinally provided with some first longitudinal direction grooves on interior clamping ring, some second longitudinal direction grooves, first are longitudinally provided with outer clamping ring
Cannelure is identical with the quantity of second longitudinal direction groove and is staggered, lower clamping base be fixed on threading set bottom, interior clamping ring and
Under being fixed on that outer clamping ring is respectively perpendicular inside and outside clamping base, interior clamping ring, outer clamping ring and lower clamping base enclose
Around forming the first clamping chamber, the width in the first clamping chamber is L2, and the outer wall of the inwall of interior clamping ring and outer clamping ring is equipped with one
Circle clamping terminal, the cross sectional shape of clamping terminal is arc-shaped structure, on the inwall of the outer wall of interior clamping ring and outer clamping ring
It is provided with a circle avoiding hollow groove；
The fixed mechanism be cylindrical structure, fourth lane is provided with fixed mechanism, on fixed mechanism it is top-down successively
The second interconnected clamping chamber of a circle, the 3rd clamping chamber, the 4th clamping chamber and the 5th clamping chamber are provided with, the second clamping chamber is with
Clamping mechanism gap coordinates, and the internal diameter d5 in the 3rd clamping chamber is more than the distance between two clamping terminal outer rims L1, fixed mechanism
Locking mechanism is inside additionally provided with, locking mechanism includes locking mechanism base and the keyed end being vertically fixed on locking mechanism base
Son, locking mechanism base is fixed in the 5th clamping chamber, and lock terminal is located in the 3rd clamping chamber through the 4th clamping chamber, locking
The cross sectional shape of terminal is the transition projection that Formation cross-section is circular arc that raised up at the top of isosceles trapezoidal structure, lock terminal,
Width at the top of lock terminal is L3, and the width of lock terminal bottom is L4, L3=(0.95-0.98) * L2, L4=(1.05-
1.2) * L2, in lower the 3rd clamping chamber of the plug-type insertion of clamping mechanism, make lock terminal snap in the first clamping of lower clamping mechanism
In chamber, threading mechanism is set to be fixed on fixed mechanism.
3. a kind of explosion-proof wiring box of high safety performance new material as claimed in claim 1, it is characterized by, the fixed mechanism
Bottom is provided with the outer retainer ring of a circle.
4. a kind of explosion-proof wiring box of high safety performance new material as claimed in claim 2, it is characterized by, the first passage
Internal diameter be d1, the internal diameter of third channel is d2, and the internal diameter of interior clamping ring is d3, and the internal diameter of fourth lane is d4, d1=d3 ＞
D4 ＞ d2.
5. a kind of explosion-proof wiring box of high safety performance new material as claimed in claim 2, it is characterized by, second clamping
The inwall in chamber is provided with some seal grooves, and sealing ring is provided with seal groove, and the height of the thickness more than seal groove of sealing ring makes close
Seal is exposed outside seal groove.
6. a kind of explosion-proof wiring box of high safety performance new material as claimed in claim 2, it is characterized by, the upper lock sleeve
It is made up with stainless steel, brass or aluminium alloy of material with lower clamping mechanism；Threading set and lock terminal polytetrafluoroethylene (PTFE)
By material is made.
7. a kind of explosion-proof wiring box of high safety performance new material as claimed in claim 2, it is characterized by, the clamping terminal
It is provided with cushion chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710274245.7A CN106921132B (en) | 2017-04-25 | 2017-04-25 | A kind of explosion-proof wiring box of high safety performance new material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710274245.7A CN106921132B (en) | 2017-04-25 | 2017-04-25 | A kind of explosion-proof wiring box of high safety performance new material |
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| CN106921132A true CN106921132A (en) | 2017-07-04 |
| CN106921132B CN106921132B (en) | 2018-11-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108551037A (en) * | 2018-04-12 | 2018-09-18 | 合肥恩锐科技有限公司 | A kind of electric wiring junction box |
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| CN106336705A (en) * | 2016-08-29 | 2017-01-18 | 江苏博格东进管道设备有限公司 | Preparation method of external protecting coating for steel pipe |
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| CN103394381A (en) * | 2013-08-07 | 2013-11-20 | 苏州扬清芯片科技有限公司 | Lateral flow chip and its joint device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108551037A (en) * | 2018-04-12 | 2018-09-18 | 合肥恩锐科技有限公司 | A kind of electric wiring junction box |
| CN108551037B (en) * | 2018-04-12 | 2020-08-14 | 合肥恩锐科技有限公司 | Electrical line junction box |
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| CN106921132B (en) | 2018-11-02 |
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