CN106921132B - 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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- CN106921132B CN106921132B CN201710274245.7A CN201710274245A CN106921132B CN 106921132 B CN106921132 B CN 106921132B CN 201710274245 A CN201710274245 A CN 201710274245A CN 106921132 B CN106921132 B CN 106921132B
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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 boxes of high safety performance new material, including babinet, case lid and threading opening are constituted, the box house is equipped with connecting terminal block, four wall of babinet is equipped with more than one threading opening, it is equipped with roll at each threading opening of box house, the roll is run through by screw rod I to be connect with bottom screw socket, it is equipped with cable sealed joint in each threading opening, wherein, the cable sealed joint includes retaining mechanism, threading mechanism and fixed mechanism, it is locked by screw-thread fit 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 in structure, it is convenient for disassembly and assembly, 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 boxes of high safety performance new material.
Background technology
The explosion-proof form of electrical explosion proof equipment is mostly flame-proof type used at present, i.e., will can be generated when electric equipment operation
The component of spark arc is placed in explosion-proof casing, and explosion-proof casing bears blast pressure, and can guarantee that internal flame gas passes through
Gap reduces energy when propagating, and prevents from igniting extraneous gas, explosion-proof wiring box is higher in explosive place utilization rate, existing explosion-proof
Junction box is provided only with connecting terminal in inside, and the line length of disengaging is relatively fixed, thus when to being electrically modified often
Required length after change cannot be met by existing line length occur, just had to increase junction box or be replaced with longer
Whole circuit, thus the time needed for equipment cost and rewiring and human input can be increased, can having reserved line
It is placed on the outside of babinet, causes outside line very chaotic.
A kind of explosion-proof wiring box of Patent No. " 201420190732.7 " is made of babinet, case lid and threading opening, institute
The box house stated is equipped with connecting terminal block, and four wall of babinet is equipped with more than one threading opening, each threading opening of box house
Place is equipped with roll, and the roll is run through by screw rod I to be connect with bottom screw socket, is equipped in each threading opening
Cable sealed joint；Solve the problems, such as that the length of existing line when the change of later stage circuit is inadequate, in addition, this structure also keeps away
Exempt from outside line to be stretched suddenly so that the drawbacks of circuit at internal wiring terminal is easy to fall off, plays the work of fixed buffering
With, at the same do not interfere with box house and babinet outside line it is clean and tidy orderly.
But the cable sealed joint of the patent is simple in structure, sealing performance is not high, can not ensure safe to use.
Invention content
The present invention proposes a kind of explosion-proof wiring box of high safety performance new material regarding to the issue above, has structure letter
Single, convenient for disassembly and assembly cable sealed joint, good airproof performance improve the security performance of explosion-proof wiring box.
Specific technical solution is as follows：
A kind of explosion-proof wiring box of high safety performance new material, including babinet, case lid and threading opening are constituted, the babinet
It is internally provided with connecting terminal block, four wall of babinet is equipped with more than one threading opening, is equipped at each threading opening of box house
Roll, the roll is run through by screw rod I to be connect with bottom screw socket, and cable seal is equipped in each threading opening
Connector, wherein the cable sealed joint includes retaining mechanism, threading mechanism and fixed mechanism, retaining mechanism and threading mechanism
Between be locked by screw-thread fit, threading structure is plug-type to be fixed on fixed mechanism, and fixed mechanism is fixed on threading
On mouth；
Coat layer protective layer on the babinet, the composition of the protective layer is counted as follows in parts by weight：
35-48 parts of epoxy resin, 0.5-4 parts of high alumina ceramic particle, 3-9 parts of methylisobutylketone, 2-8 parts of polyacrylamide,
1-3 parts of sodium pyrophosphate, 2-4 parts of diphenylthanedione, 0.1-2 parts of acetone, 8-16 parts of polypropylene glycerol aether, M-phthalic acid 4-
10 parts, 15-22 parts of chlorinated paraffin, 1-4 parts of titanium dioxide, 20-35 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 4-8h, transfer
Into reaction kettle, 1-2h is stirred under the conditions of temperature is 85-120 DEG C, so that it is uniformly mixed, temperature is reduced to 45-55 DEG C, and tie up
It holds after this temperature is protected from light stirring 20-40min, ultrasonic 1-2h, vacuum defoamation 5-8h obtain protective layer.
The explosion-proof wiring box of above-mentioned a kind of high safety performance new material, wherein the retaining mechanism is cylindrical structure, lock
First passage is equipped in tight mechanism, the outer wall of retaining mechanism is equipped 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, upper lock sleeve is interior to be equipped with second channel, and second channel inner wall is equipped 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, threading set is interior to be equipped with third channel, and threading set is weldingly fixed on locking
On fixed second channel inner wall, lower clamping mechanism includes lower clamping pedestal, interior clamping ring and outer clamping ring, and lower clamping pedestal is
Cirque structure, is longitudinally equipped with several first longitudinal direction slots on interior clamping ring, longitudinally equipped with several second longitudinal direction slots on outer clamping ring,
First longitudinal direction slot is identical with the quantity of second longitudinal direction slot and is staggered, and lower clamping pedestal 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 pedestal, interior clamping ring, outer clamping ring and lower clamping bottom
Seat is around the first clamping chamber is formed, and the width of the first clamping chamber is L2, and the outer wall of the inner wall of interior clamping ring and outer clamping ring is all provided with
There is a circle to be clamped terminal, the cross sectional shape for being clamped terminal is arc-shaped structure, the inner wall of 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, is equipped with fourth lane in fixed mechanism, top-down on fixed mechanism
It is equipped with the second clamping chamber, third clamping chamber, the 4th clamping chamber and the 5th clamping chamber that a circle is interconnected, the second clamping chamber successively
With lower clamping mechanism clearance fit, the internal diameter d5 that third is clamped chamber is more than the distance between two clamping terminal outer rims L1, fixes
It is additionally provided with locking mechanism in mechanism, locking mechanism includes locking mechanism pedestal and the locking that is vertically fixed on locking mechanism pedestal
Terminal, locking mechanism pedestal are fixed in the 5th clamping chamber, and lock terminal passes through the 4th clamping chamber to be located in third clamping chamber, lock
The cross sectional shape of fixed end is isosceles trapezoidal structure, and the Formation cross-section that raises up at the top of lock terminal is that arc-shaped transition is convex
Block, the width at the top of lock terminal are L3, and the width of lock terminal bottom is L4, L3=(0.95-0.98) * L2, L4=
(1.05-1.2) * L2 in the plug-type insertion third clamping chamber of lower clamping mechanism, make lock terminal be caught in the of lower clamping mechanism
In one clamping chamber, threading mechanism is made to be fixed on fixed mechanism.
The explosion-proof wiring box of above-mentioned a kind of high safety performance new material, wherein it is outer that the fixed mechanism bottom is equipped with a circle
Fixed ring.
The explosion-proof wiring box of above-mentioned a kind of high safety performance new material, wherein the internal diameter of the first passage is d1, third
The internal diameter in 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.
The explosion-proof wiring box of above-mentioned a kind of high safety performance new material, wherein the inner wall of the second clamping chamber is equipped with
Several seal grooves, seal groove is interior to be equipped with sealing ring, and the thickness of sealing ring is more than the height of seal groove, keeps sealing ring exposed and sealing
Outside slot.
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 of material；Polytetrafluoroethylene (PTFE) is made the threading set of material with lock terminal.
The explosion-proof wiring box of above-mentioned a kind of high safety performance new material, wherein the clamping terminal is equipped with cushion chamber.
Beneficial effects of the present invention are：
Fixed mechanism in use, be first fixed on babinet, and the cable introduced will be needed to sequentially pass through in advance by the present invention
The retaining mechanism and threading mechanism fixed, the third channel of threading mechanism are interference fitted with cable, finally by threading mechanism it
Between snap-in be fixed on fixed mechanism；Interior clamping ring and outer clamping ring are subjected to displacement under the action of lock terminal,
It is fitted closely 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 is simple in construction, easy to disassemble and assemble, good airproof performance, improves the security performance of explosion-proof wiring box；
Layer protective layer is coated on babinet, improves the performance of babinet anticorrosion antiwear, further ensure that using peace
Entirely.
Description of the drawings
Fig. 1 is structure of the invention figure.
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 the portions A of the present invention enlarged drawing.
Specific implementation mode
Clear to make technical scheme of the present invention be more clear, 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 is obtained with conventional reasoning and each falls within guarantor of the present invention
Protect range.
Reference numeral
Babinet 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 pedestal 110, interior clamping ring 111, outer clamping ring 112, first longitudinal direction slot 113, second longitudinal direction slot 114, first are clamped chamber
115, terminal 116, avoiding hollow groove 117, fourth lane 118, outer fixed ring 119, second are clamped and is clamped chamber 120, third clamping chamber
121, the 4th clamping chamber the 122, the 5th is clamped chamber 123, locking mechanism 124, locking mechanism pedestal 125, lock terminal 126, transition
Convex block 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 as shown in the figure, including babinet 1, case lid and threading opening are constituted,
The box house is equipped with connecting terminal block 4, and four wall of babinet is equipped with more than one threading opening, and box house each threads
Roll 5 is equipped at mouthful, the roll is run through by screw rod I 6 to be connect with bottom screw socket, in each threading opening
Equipped with cable sealed joint 9, cable sealed joint includes retaining mechanism 11, threading mechanism 12 and fixed mechanism 13, retaining mechanism
It is locked by screw-thread fit 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 equipped in retaining mechanism, is set on the outer wall of retaining mechanism
There is external screw thread；
The threading mechanism includes upper lock sleeve 15, threading set 16 and lower clamping mechanism 17, and upper lock sleeve and threading set are
Cylindrical structure, upper lock sleeve is interior to be equipped with second channel 18, and second channel inner wall is equipped with internal thread, and the second of upper lock sleeve is logical
Mutual cooperation between the internal thread in road and the external screw thread of retaining mechanism, threading set is interior to be equipped with third channel 19, threading set welding
It is fixed on the second channel inner wall of lock sleeve, lower clamping mechanism includes lower clamping pedestal 110, interior clamping ring 111 and wild card
Connect ring 112, lower clamping pedestal is cirque structure, longitudinally equipped with several first longitudinal direction slots 113 on interior clamping ring, on outer clamping ring
Longitudinal to be equipped with several second longitudinal direction slots 114, first longitudinal direction slot is identical with the quantity of second longitudinal direction slot and is staggered, lower clamping bottom
Seat is fixed on threading set bottom, interior to be clamped under being fixed on that ring and outer clamping ring are respectively perpendicular inside and outside clamping pedestal, interior
Around the first clamping chamber 115 is formed, the width of the first clamping chamber is L2, interior clamping for clamping ring, outer clamping ring and lower clamping pedestal
The outer wall of the inner wall of ring and outer clamping ring is equipped with circle clamping terminal 116, and the cross sectional shape for being clamped terminal is arc-shaped structure,
What is be recessed inwardly on the inner wall of the outer wall of interior clamping ring and outer clamping ring is equipped with a circle avoiding hollow groove 117；
The fixed mechanism is cylindrical structure, is equipped with fourth lane 118 in fixed mechanism, the fixed mechanism bottom is set
There is an outer fixed ring 119 of a circle, it is top-down on fixed mechanism to be equipped with the second clamping chamber 120 that a circle is interconnected, the successively
Three clamping chambers the 121, the 4th are clamped chamber 122 and the 5th and are clamped chamber 123, the second clamping chamber and lower clamping mechanism clearance fit, third
The internal diameter d5 for being clamped chamber is more than the distance between two clamping terminal outer rims L1, is additionally provided with locking mechanism 124 in fixed mechanism, locks
It includes locking mechanism pedestal 125 and the lock terminal 126 that is vertically fixed on locking mechanism pedestal to determine mechanism, locking mechanism pedestal
It is fixed in the 5th clamping chamber, lock terminal passes through the 4th clamping chamber to be located in third clamping chamber, the cross sectional shape of lock terminal
For isosceles trapezoidal structure, lock terminal top raises up Formation cross-section for arc-shaped transition convex block 127, at the top of lock terminal
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 plug-type insertion third clamping chamber of mechanism, lock terminal is set to be caught in the first clamping chamber of lower clamping mechanism, due to locking
The width of terminal bottom is more than the width of the first clamping chamber, and therefore, interior clamping ring and outer clamping ring are under the action of lock terminal
It is pressed together in the second clamping cavity wall, to make threading mechanism be 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 inner wall of the second clamping chamber is equipped with several seal grooves 128, is set in seal groove
There are sealing ring 129, the thickness h 1 of sealing ring to be more than the height h2 of seal groove, keep sealing ring exposed outside seal groove；The locking
Fixed and lower clamping mechanism is made using stainless steel, brass or aluminium alloy of material；Threading set and lock terminal polytetrafluoro
Ethylene is made of material；The clamping terminal is equipped with cushion chamber 130.
Further, layer protective layer is coated on the babinet, the composition of the protective layer is counted such as in parts 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 reaction kettle, 1.5h is stirred under the conditions of temperature is 90 DEG C, it is made to be uniformly mixed, temperature is reduced to 50 DEG C, and maintain herein
After temperature is protected from light stirring 32min, ultrasonic 1.5h, vacuum defoamation 7h obtain protective layer.
Embodiment two
With a kind of explosion-proof wiring box of high safety performance new material described in embodiment one, the difference is that：
Coat layer protective layer on the babinet, the composition of the protective layer is counted as follows in parts 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 reaction kettle, 1h is stirred under the conditions of temperature is 85 DEG C, it is made to be uniformly mixed, temperature is reduced to 45 DEG C, and maintain in this temperature
After being protected from light stirring 20min, ultrasonic 1h, vacuum defoamation 5h obtain protective layer.
Embodiment three
With a kind of explosion-proof wiring box of high safety performance new material described in embodiment one, the difference is that：
Coat layer protective layer on the babinet, the composition of the protective layer is counted as follows in parts 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 reaction kettle, 2h is stirred under the conditions of temperature is 120 DEG C, it is made to be uniformly mixed, temperature is reduced to 55 DEG C, and maintain in this temperature
After being protected from light stirring 40min, ultrasonic 2h, vacuum defoamation 8h obtain protective layer.
Claims (6)
1. a kind of explosion-proof wiring box of high safety performance new material, including babinet, case lid and threading opening are constituted, in the babinet
Portion is equipped with connecting terminal block, and four wall of babinet is equipped with more than one threading opening, be equipped at each threading opening of box house around
Spool, the roll is run through by screw rod I to be connect with bottom screw socket, and being equipped with cable seal in each threading opening connects
Head, it is characterized in that, the cable sealed joint includes retaining mechanism, threading mechanism and fixed mechanism, retaining mechanism and threader
It is locked by screw-thread fit between structure, threading structure is plug-type to be fixed on fixed mechanism, and fixed mechanism, which is fixed on, to be worn
On line mouth；
Coat layer protective layer on the babinet, the composition of the protective layer is counted as follows in parts by weight：
35-48 parts of epoxy resin, 0.5-4 parts of high alumina ceramic particle, 3-9 parts of methylisobutylketone, 2-8 parts of polyacrylamide, burnt phosphorus
Sour sodium 1-3 parts, 2-4 parts of diphenylthanedione, 0.1-2 parts of acetone, 8-16 parts of polypropylene glycerol aether, M-phthalic acid 4-10
Part, 15-22 parts of chlorinated paraffin, 1-4 parts of titanium dioxide, 20-35 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 4-8h, is transferred to anti-
It answers in kettle, 1-2h is stirred under the conditions of temperature is 85-120 DEG C, so that it is uniformly mixed, temperature is reduced to 45-55 DEG C, and maintain
After this temperature is protected from light stirring 20-40min, ultrasonic 1-2h, vacuum defoamation 5-8h obtain protective layer；
The retaining mechanism is cylindrical structure, and first passage is equipped in retaining mechanism, and the outer wall of retaining mechanism is equipped with outer spiral shell
Line；
The threading mechanism includes upper lock sleeve, threading set and lower clamping mechanism, and upper lock sleeve and threading set are cylindrical structure,
Be equipped with second channel in upper lock sleeve, second channel inner wall is equipped 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, threading set is interior to be equipped with third channel, and threading set is weldingly fixed on lock sleeve
Second channel inner wall on, lower clamping mechanism includes lower clamping pedestal, interior clamping ring and outer clamping ring, and lower clamping pedestal is annulus
Shape structure, is longitudinally equipped with several first longitudinal direction slots on interior clamping ring, longitudinally equipped with several second longitudinal direction slots on outer clamping ring, first
Cannelure is identical with the quantity of second longitudinal direction slot and is staggered, lower clamping pedestal be fixed on threading set bottom, interior clamping ring with
Under being fixed on that outer clamping ring is respectively perpendicular inside and outside clamping pedestal, interior clamping ring, outer clamping ring and lower clamping pedestal enclose
Around the first clamping chamber is formed, the width of the first clamping chamber is L2, and the outer wall of the inner wall of interior clamping ring and outer clamping ring is equipped with one
Circle clamping terminal, the cross sectional shape for being clamped terminal are arc-shaped structure, on the inner wall of the outer wall of interior clamping ring and outer clamping ring
Equipped with a circle avoiding hollow groove；
The fixed mechanism is cylindrical structure, is equipped with fourth lane in fixed mechanism, on fixed mechanism it is top-down successively
The second clamping chamber, third clamping chamber, the 4th clamping chamber and the 5th clamping chamber being interconnected equipped with a circle, the second clamping chamber is under
Clamping mechanism clearance fit, the internal diameter d5 that third is clamped chamber are more than the distance between two clamping terminal outer rims L1, fixed mechanism
Inside it is additionally provided with locking mechanism, locking mechanism includes locking mechanism pedestal and the keyed end that is vertically fixed on locking mechanism pedestal
Son, locking mechanism pedestal are fixed in the 5th clamping chamber, and lock terminal passes through the 4th clamping chamber to be located in third clamping chamber, locking
The cross sectional shape of terminal is isosceles trapezoidal structure, and the Formation cross-section that raises up at the top of lock terminal is arc-shaped transition convex block,
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, the lower plug-type insertion third of clamping mechanism are clamped in chamber, and lock terminal is made to be caught in the first clamping of lower clamping mechanism
In chamber, threading mechanism is made to be fixed on fixed mechanism.
2. a kind of explosion-proof wiring box of high safety performance new material as described in claim 1, it is characterized in that, the fixed mechanism
Bottom is equipped with an outer fixed ring of circle.
3. a kind of explosion-proof wiring box of high safety performance new material as described in claim 1, it is characterized in that, 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.
4. a kind of explosion-proof wiring box of high safety performance new material as described in claim 1, it is characterized in that, second clamping
The inner wall of chamber is equipped with several seal grooves, and sealing ring is equipped in seal groove, and the thickness of sealing ring is more than the height of seal groove, makes close
Seal is exposed outside seal groove.
5. a kind of explosion-proof wiring box of high safety performance new material as described in claim 1, it is characterized in that, the upper lock sleeve
It is made of material using stainless steel, brass or aluminium alloy with lower clamping mechanism；The threading set and lock terminal are with polytetrafluoroethylene (PTFE)
It is made of material.
6. a kind of explosion-proof wiring box of high safety performance new material as described in claim 1, it is characterized in that, the clamping terminal
It is equipped with cushion chamber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN106921132B true CN106921132B (en) | 2018-11-02 |
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| 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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| CN106921132A (en) | 2017-07-04 |
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