CN110416940A - A kind of electric heating coil junction box structure - Google Patents
A kind of electric heating coil junction box structure Download PDFInfo
- Publication number
- CN110416940A CN110416940A CN201910556320.8A CN201910556320A CN110416940A CN 110416940 A CN110416940 A CN 110416940A CN 201910556320 A CN201910556320 A CN 201910556320A CN 110416940 A CN110416940 A CN 110416940A
- Authority
- CN
- China
- Prior art keywords
- closing piece
- heating coil
- electric heating
- screw
- box structure
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000005485 electric heating Methods 0.000 title claims abstract description 43
- 238000009434 installation Methods 0.000 claims abstract description 26
- 239000000919 ceramic Substances 0.000 claims description 18
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 12
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000011664 signaling Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000002360 explosive Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 206010037660 Pyrexia Diseases 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 239000003708 ampul Substances 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000027950 fever generation Effects 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000010453 quartz Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000004992 fission Effects 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000002633 protecting effect Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- 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
- H02G3/03—Cooling
-
- 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
- H02G3/081—Bases, casings or covers
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Connection Or Junction Boxes (AREA)
Abstract
The present invention relates to terminal box technical fields, disclose a kind of electric heating coil junction box structure, include: cover and two mounting plates being set in distance, cover is arranged on two mounting plates, and cover and two mounting plates surround an installation cavity；Several through-holes are offered on mounting plate；Termination is arranged in installation cavity；Locking device includes support, the first closing piece and the second closing piece, and support is arranged in through-holes, and the first and second closing pieces are respectively provided on the support, and has the gap for locking electric wire between the first closing piece and the second closing piece；The width in the gap is adjustable.It is an advantage of the current invention that the case where terminal box has signaling transfer point, and wiring consolidates, electric wire can be prevented to be shorted.
Description
Technical field
The present invention relates to terminal box technical field more particularly to a kind of electric heating coil junction box structures.
Background technique
The common structure of electric heating coil terminal box has: 1, EN terminal ceramics stone structure；2, EN terminal connections box structure.The end EN
The problem of sub- ceramics stone structure is primarily present is: wiring poor reliability, terminal box are without safety prevention measure；And wiring hole aperture
It is fixed, the electric wire of fixed diameter can only be adapted to, the scalability of terminal box is poor；It it is also difficult to achieve the concatenated operating condition of multistage electric heating coil.
EN is the problem of terminal connections box structure is primarily present: although being provided with housing protection, electric wire is without fixed device, in machine
In vibration processes, the conducting wire in electric wire is easily detached from insulating layer, and there is a situation where conducting wire and terminal box short circuits, and equally also deposit
In the problem of expansion difference.The connecting terminal height of existing terminal box is high, and whole wiring box size is big.
As Patent No. " 201910011436.3 " discloses a kind of injection molding machine heater with temperature control function, including
Frame mechanism, heat preservation mechanism and temperature control mechanism.Temperature control mechanism by quartz ampoule, heating wire, thermocouple, fan, the first heat dissipation channel,
Second heat dissipation channel, the first heat radiation protection cover, the second heat radiation protection cover composition, heating wire and power supply connect in terminal box, electricity
Heated filament penetrates in quartz ampoule；Heat release hole and thermocouple exploration hole are provided on containment envelope, thermocouple is surveyed by thermocouple exploration hole
Barrel surface temperature is measured, thermocouple connects the energization of regulating device control heating wire and fan.Terminal box in the heater, nothing
Safeguard structure；And conducting wire switching is difficult, can not achieve the operating condition of multistage heating device series-parallel connection；Conducting wire in thereto
Without any locking device, during machine vibration, the insulating layer on electric wire is easily stripped, and the case where be shorted；Terminal box
The whole space occupied on electric heating coil is big.
To solve the above problem existing for existing terminal box, need to design that a kind of doubling is convenient, compact-sized and wiring is steady
Solid electric heating coil junction box structure.
Summary of the invention
It is an object of the present invention to be directed to the above-mentioned deficiency of the prior art, propose that a kind of doubling is convenient, compact-sized and wiring
Firm electric heating coil junction box structure.
The technical solution used to solve the technical problems of the present invention is that propose a kind of electric heating coil junction box structure, including
Have:
Cover and two mounting plates being set in distance, the cover is arranged on two mounting plates, and cover and two mounting plates
Surround an installation cavity；Several through-holes are offered on the mounting plate；
Termination is arranged in the installation cavity；
Locking device, includes support, the first closing piece and the second closing piece, and the support setting is in the through hole, described
First closing piece and the second closing piece are respectively provided on the support, and are had between the first closing piece and the second closing piece for locking between electric wire
Gap；The width in the gap is adjustable.
In a kind of above-mentioned electric heating coil junction box structure, the termination include terminal screw, wire fixing nut,
Fixed plate and the ceramic block being arranged in fixed plate；Mounting hole is offered on the fixed plate and ceramic block；
The terminal screw has a screw rod, and the screw rod runs through the ceramic block from the bottom up, and screw rod is from ceramic block
Top surface protrusion；Multiple wire fixing nuts are connected on the screw rod；The both ends of the ceramic block are provided with the terminal screw,
And multiple wire fixing nuts are provided on each terminal screw.
Further include earthing or grounding means in a kind of above-mentioned electric heating coil junction box structure, the front side of the termination and
Rear side is provided with earthing or grounding means, and the earthing or grounding means is in installation cavity；
The earthing or grounding means includes junction block and earthing screw；Have a section in " [" shape in the middle part of the junction block
Pedestal, pedestal respectively extend a support plate to the left and right sides；A threaded hole, the earthing screw are offered in the middle part of the pedestal
It is arranged in the threaded hole.
In a kind of above-mentioned electric heating coil junction box structure, two mounting plate is set in parallel, and two mounting plate tops
Several fixed blocks extend to installation cavity side in portion, and two mounting plate bottom extends to the direction opposite relative to installation cavity
A connecting plate out.
In a kind of above-mentioned electric heating coil junction box structure, the cover includes both side plate and is connected between both side plate
Cover board；The cover board setting offers several waist holes on fixed block, and on cover board；Screw passes through the waist hole can by cover board
It is detachably fixedly arranged on fixed block；Both side plate is in the side of two mounting plates.
In a kind of above-mentioned electric heating coil junction box structure, several air channels are symmetrically offered on the both side plate, and
A deflector is respectively connected on each air channel；The deflector is inclined to set.
In a kind of above-mentioned electric heating coil junction box structure, the support includes finite place piece, connecting cylinder and two stands；
The two stands are connected to the side of locating part, and the first closing piece is in the top of two stands, and the second closing piece is under two stands
Side；
The connecting cylinder is connected on the other side of locating part, and connecting cylinder is worn in the through hole, and connecting cylinder stretches to
In the installation cavity.
In a kind of above-mentioned electric heating coil junction box structure, the locking device further includes nut；Outside the connecting cylinder
There is screw thread on wall；The nut is set on connecting cylinder, and nut is threadedly coupled with connecting cylinder；
The mounting plate has a medial surface and a lateral surface, and the locating part is resisted against on the lateral surface of mounting plate, institute
Nut is stated to be resisted against on the medial surface of mounting plate.
In a kind of above-mentioned electric heating coil junction box structure, the locking device further includes adjusting screw；Described first
Mounting hole is offered on the both ends of closing piece, the both ends of the second closing piece and two stands；One end of first closing piece and the second closing piece
One end is fixed in the mounting hole of a bracket by an adjusting screw；The other end of the other end of first closing piece and the second closing piece is logical
Another adjusting screw is crossed to be fixed in the mounting hole of another bracket.
In a kind of above-mentioned electric heating coil junction box structure, there is the first arc being recessed upwards in the middle part of first closing piece
Face, the second closing piece middle part have the second cambered surface to lower recess；When electric wire is locked in gap, electric wire is attached to the first arc
On face and the second cambered surface.
Compared with prior art, the present invention at least has the advantages that
In the present invention, termination includes terminal screw and wire fixing nut, and is arranged on each terminal screw multiple
Wire fixing nut, after being covered on terminal screw into the conducting wire in termination by OT terminal, with fixture nut by OT terminal into
Row crimping, the case where keeping its contact area big, to avoid local pyrexia, and fixture nut is fixed, fixed reliable, is not loosened
And the hidden danger that sparking even burns out terminal occurs；Multiple fixture nuts are set on wiring nut, and the barrier of fixture nut makes wiring
Device can and tie expansion it is strong；The axial space that termination occupies electric heating coil is small, the electric heating coil of the small length of axis
It could be used that this terminal box.
Since terminal box is mounted on electric heating coil shell cylindrical, cover and two mounting plates are arranged this terminal box
At split type, between two mounting plates of adjusting spacing, the heating coil of different-diameter can be adapted it to, it is applied widely；And
Provided with locking device, after electric wire is locked, even if violent vibration occurs for machine, the insulating layer of electric wire will not be stripped off,
There is no the hidden danger of wire short-circuiting, and electric wire is not easy to loosen, strike sparks；By turning adjusting screw, change the first closing piece and the second lock
Gap width between block can make the electric wire of locking device locking different-diameter, easy to operate.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the structural schematic diagram at another visual angle Fig. 1；
Fig. 3 is the structural schematic diagram at another visual angle Fig. 1；
Fig. 4 is the explosive view of Fig. 1；
Fig. 5 is that Fig. 1 removes the structural schematic diagram after cover；
Fig. 6 is the structural schematic diagram of termination；
Fig. 7 is the explosive view of Fig. 6；
Fig. 8 is the assembling schematic diagram of cover and mounting plate；
Fig. 9 is the structural schematic diagram of locking device；
Figure 10 is the explosive view of Fig. 9.
In figure, 1, cover；10, side plate；11, cover board；100, air channel；101, deflector；110, waist hole；120, it installs
Chamber；2, mounting plate；20, through-hole；21, fixed block；22, connecting plate；23, medial surface；24, lateral surface；3, termination；30, it connects
Line screw；31, fixture nut；32, fixed plate；33, ceramic block；300, screw rod；323, mounting hole；4, locking device；40, it props up
Seat；41, the first closing piece；42, gap；43, the second closing piece；44, nut；45, screw is adjusted；400, locating part；401, connecting cylinder；
402, bracket；410, the first cambered surface；411, connecting hole；430, the second cambered surface；5, earthing or grounding means；50, junction block；51, it is grounded spiral shell
Nail；500, pedestal；501, support plate；5001, threaded hole.
Specific embodiment
Technical solution of the present invention is described in further detail below by conjunction with the drawings and specific embodiments, but this
Invention is not limited to these examples.
As shown in Figs. 1-5, a kind of electric heating coil junction box structure includes: cover 1, mounting plate 2, termination 3, lock
Tight device 4 and earthing or grounding means 5.
As shown in figure 8, cover 1 and two mounting plates 2 being set in distance, cover 1 is arranged on two mounting plates 2, and cover 1
An installation cavity 120 is surrounded with two mounting plates 2；And several through-holes 20 are offered on mounting plate 2.Specifically, two mounting plates 2 are in parallel
Setting, and several fixed blocks 21 are extended to 120 side of installation cavity in the top of two mounting plate 2, two mounting plates, 2 bottom to relative to
Extend a connecting plate 22 in the opposite direction of installation cavity 120；Connecting plate 22 is used to be connected to the cylindrical circular shell of electric heating coil,
Entire terminal box to be connected on the shell of electric heating coil.
Cover 1 includes both side plate 10 and the cover board 11 being connected between both side plate 10；Cover board 11 is arranged on fixed block 21,
And several waist holes 110 are offered on cover board 11；Screw passes through waist hole 110 and cover board 11 is detachably mounted on fixed block 21；
Meanwhile both side plate 10 is in the side of two mounting plates 2, the bottom surface of side plate 10 is cambered surface, when terminal box is connected on electric heating coil
Shell when, cambered surface is attached on the outer surface of shell, keeps cover 1 and mounting plate 2 good to the protecting effect of the part of its inside.It is excellent
Selection of land symmetrically offers several air channels 100 on both side plate 10, and is respectively connected with a deflector 101 on each air channel 100；
Deflector 101 is inclined to set, and the temperature that the setting of air channel 100 can effectively in terminal box reduces the load of termination 3
Pressure reduces security risk, and is provided with inclined deflector 101 on air channel 100, can effectively block water, liquid etc.
Pollutant enters in installation cavity 120, and when water is poured on from top to bottom on cover 1, water also can be along the direction of deflector 101, ejectment
To outside terminal box, without entering in installation cavity 120；Symmetrically arranged air channel 100 is also conducive to air and flows in installation cavity 120
It is logical, to take away heat.
Cover 1 and mounting plate 2 are arranged to integrated, i.e. integral type box body compared to existing, in the present solution, in fission
The cover 1 of formula setting and the benefit of mounting plate 2 are embodied in, it is only necessary to be adjusted the spacing between two mounting plates 2, can be made this wiring
Box adapts to the shell of the electric heating coil of different-diameter；And the box body of integral type, since the shell of heater is all arranged to cylindrical shape
, so the box body of integral type may be only available for a kind of shell of fixed diameter.The split type cover 1 and mounting plate 2 of this programme
The range of adaptation is wide, and the operating condition of adaptation is more.
As illustrated in figs. 5-7, termination 3 are arranged in installation cavity 120；Specifically, termination 3 includes wiring spiral shell
Nail 30, wire fixing nut 31, fixed plate 32 and the ceramic block 33 being arranged in fixed plate 32；It is opened on fixed plate 32 and ceramic block 33
Equipped with mounting hole 323；There is a screw rod 300, screw rod 300 runs through ceramic block 33, and screw rod 300 from the bottom up on terminal screw 30
It is protruded from the top surface of ceramic block 33；Multiple wire fixing nuts 31 are connected on screw rod 300；Preferably, the both ends of ceramic block 33 are all provided with
It is equipped with terminal screw 30, and is provided with multiple wire fixing nuts 31 on each terminal screw 30, multiple wire fixing nuts 31 are arranged side by side
On terminal screw 30.
Terminal box is during physical cabling, the martingale cooperated using terminal screw 30 and wire fixing nut 31, conducting wire
It is covered on attachment screw 30 by OT terminal, and is crimped by wire fixing nut 31, make OT terminal in the contact surface of junction
Product is big, prevents local pyrexia；And locking OT terminal is carried out by wire fixing nut 31, wiring is firm, and junction is not in loosen
Or the phenomenon that sparking；Multiple wire fixing nuts 31 are provided on one terminal screw 30, will can be connect respectively in terminal screw 30
On OT terminal separate, facilitate terminal box and tie, improve the expansion of terminal box.
Preferably, terminal box further includes having earthing or grounding means 5, and the front side of termination 3 and rear side are provided with earthing or grounding means
5, and earthing or grounding means 5 is in installation cavity 120；Earthing or grounding means 5 includes junction block 50 and earthing screw 51；50 middle part of junction block
With a section in " [pedestal 500 of " shape, pedestal 500 respectively extend a support plate 501 to the left and right sides；500 middle part of pedestal
A threaded hole 5001 is offered, earthing screw 51 is arranged in threaded hole 5001.That is, the pedestal 500 at 50 middle part of junction block is upward
Protrusion, when earthing screw 51 is arranged in the threaded hole 5001 on pedestal 500, there are the spaces that earthing screw 51 is gone up and down；
It is, according to true bearing demand, ground wire to be selected to be connect in the purpose that the front side of termination 3 and rear side are respectively provided with earthing or grounding means 5
Grounding base 50, prevent the case where needing coiling, and in general, two ground wires cannot be connect on the same earthing or grounding means 5 simultaneously.
As shown in figs. 9-10, locking device 4, include support 40, the first closing piece 41 and the second closing piece 43, and support 40 is arranged
In the through-hole 20 on mounting plate 2, the first closing piece 41 and the second closing piece 43 are arranged on support 40, and the first closing piece 41 and
There is the gap 42 for locking electric wire between two closing pieces 43；And the width in gap 42 is adjustable, different-diameter can be locked
Electric wire.In the present solution, the quantity of the through-hole 20 on a mounting plate 2 is one, therefore the locking device 4 on the mounting plate 2 is also
One；The quantity of through-hole 20 on another mounting plate 2 is two, therefore there are two the locking device 4 on its mounting plate also installs, with
Just it selects according to the actual situation.
Preferably, support 40 includes finite place piece 400, connecting cylinder 401 and two stands 402；Two stands 402 are connected to limit
The side of part 400, the first closing piece 41 are in the top of two stands 402, and the second closing piece 43 is in the lower section of two stands 402；Connection
Cylinder 401 is connected on the other side of locating part 400, and connecting cylinder 401 is threaded through in through-hole 20, and connecting cylinder 401 stretches to installation cavity
In 120.Locking device 3 further includes nut 44, has screw thread on 401 outer wall of connecting cylinder, and nut 44 is set on connecting cylinder 401,
And nut 44 is threadedly coupled with connecting cylinder 401；There is a medial surface 23 and a lateral surface 24 on mounting plate 2, when locking device 4
When being fixed on mounting plate 2, locating part 400 is resisted against on the lateral surface 24 of mounting plate 2, and nut 44 is resisted against the interior of mounting plate 2
On side 23.
It, only need to be by nut 44 from even when needing to dismantle locking device 4 during the installation and removal of locking device 4
It is backed out in connect cylinder 401, separates nut 44 with connecting cylinder 401, entire locking device 4 can disassembled from mounting plate 2,
And the shape of locating part 400 is hexagonal, is conducive to the tool engagements such as spanner, with turn locating part 400.When needing installation locking to fill
When setting 4, connecting cylinder 401 is inserted into the through-hole 20 on mounting plate 2, support 40 is fixed on to the through-hole of mounting plate 2 with nut 44
In, it supports locating part 400 on the lateral surface 24 of mounting plate 2, supports nut 44 on the medial surface 23 of mounting plate 2, so
First closing piece 41 and the second closing piece 43 be installed on bracket 402 afterwards, locking device 4 it is convenient for disassembly and assembly.
Preferably, locking device 4 further include adjust screw 45, the both ends of the first closing piece 41, the second closing piece 43 both ends and
Connecting hole 411 is offered on two stands 402；One end of first closing piece 41 and one end of the second closing piece 43 pass through an adjusting screw
45 are fixed in the connecting hole 411 of a bracket 402；The other end of the other end of first closing piece 41 and the second closing piece 43 passes through another
Screw 45 is adjusted to be fixed in the connecting hole 411 of another bracket 402.There is the first cambered surface being recessed upwards in the middle part of first closing piece 41
410, there is in the middle part of the second closing piece 43 the second cambered surface 430 to lower recess；When electric wire is locked in gap 42, electric wire is attached to
In one cambered surface 410 and the second cambered surface 430, and the side of electric wire is provided with a guiding fillet, conducting wire circle in two stands 402
One side its guiding role in angle facilitates in electric wire access installation cavity 120, and on the other hand, guiding fillet can be to avoid the exhausted of electric wire
Edge layer is hurt.
The setting of locking device 4, after the electric wire accessed in installation cavity 120 is locked the locking of device 4, even if machine occurs
Relative motion will not occur between electric wire and terminal box for violent vibration, can prevent electric wire insulating layer be mounted plate 2 or
Person's other component strikes off, and avoidable there is a situation where electric wires to be shorted；Moreover, adjusting screw 45 by turning, change the first closing piece
41 and the second 42 width of gap between closing piece 43, so that locking device 4 is locked the electric wire of different-diameter, adjusts screw 45
Screw head is arranged upward, and convenient screwdriver, which is directly turned round, twists.
In work process, this terminal box is placed on the shell of electric heating coil, since the shell of electric heating coil is cylindrical, wiring
Box is fixed on the shell of electric heating coil by the connecting plate 22 on two mounting plates 2；Termination 3 is connected to by fixed plate 32
On the shell of electric heating coil；Earthing or grounding means 5 is connected on the shell of electric heating coil by two support plates 501 on grounding base 50；It opens
Cover 1 penetrates electric wire from the gap 42 between the first closing piece 41 and the second closing piece 43 of locking device 4, and electric wire is connect by OT
Line terminals are set on the terminal screw 30 of termination 3, and fixed by wire fixing nut 31；It turns and adjusts screw 45, adjustment
Gap 42 between first closing piece 41 and the second closing piece 43, electric wire is locked；It needs, is chosen whether simultaneously further according to actual conditions
Join other electric heating coils, after wiring, the state that the lid of cover 1 is located at two mounting plates 2 is determined on block 21, and dismountable by screw
It is fixed, it is convenient for disassembly and assembly.
Specific embodiments are merely illustrative of the spirit of the present invention described in text.The technical field of the invention
Technical staff can make various modifications or additions to the described embodiments or be substituted in a similar manner,
However, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of electric heating coil junction box structure, which is characterized in that include:
Cover and two mounting plates being set in distance, the cover is arranged on two mounting plates, and cover is surrounded with two mounting plates
One installation cavity；Several through-holes are offered on the mounting plate；
Termination is arranged in the installation cavity；
Locking device includes support, the first closing piece and the second closing piece, and the support is arranged in the through hole, and described first
Closing piece and the second closing piece are respectively provided on the support, and have the gap for locking electric wire between the first closing piece and the second closing piece；
The width in the gap is adjustable.
2. a kind of electric heating coil junction box structure according to claim 1, it is characterised in that, the termination includes
Terminal screw, wire fixing nut, fixed plate and the ceramic block being arranged in fixed plate；It is offered on the fixed plate and ceramic block
Mounting hole；
The terminal screw has a screw rod, and the screw rod runs through the ceramic block from the bottom up, and screw rod is from the top of ceramic block
Face protrusion；Multiple wire fixing nuts are connected on the screw rod；The both ends of the ceramic block are provided with the terminal screw, and every
Multiple wire fixing nuts are provided on one terminal screw.
3. a kind of electric heating coil junction box structure according to claim 2, which is characterized in that it further include earthing or grounding means, institute
The front side and rear side for stating termination are provided with earthing or grounding means, and the earthing or grounding means is in installation cavity；
The earthing or grounding means includes junction block and earthing screw；Have in the middle part of the junction block section in " [pedestal of " shape,
Pedestal respectively extends a support plate to the left and right sides；A threaded hole is offered in the middle part of the pedestal, the earthing screw setting exists
In the threaded hole.
4. a kind of electric heating coil junction box structure according to claim 1, it is characterised in that, two mounting plate is in parallel
Setting, and extend several fixed blocks to installation cavity side at the top of two mounting plates, two mounting plate bottom is to relative to peace
A connecting plate is extended in opposite direction of behaveing affectedly.
5. a kind of electric heating coil junction box structure according to claim 4, it is characterised in that, the cover includes both side plate
And the cover board being connected between both side plate；The cover board setting offers several waist holes on fixed block, and on cover board；Screw is worn
It crosses the waist hole cover board is detachably mounted on fixed block；Both side plate is in the side of two mounting plates.
6. a kind of electric heating coil junction box structure according to claim 5, it is characterised in that, it is symmetrically opened on the both side plate
Equipped with several air channels, and a deflector is respectively connected on each air channel；The deflector is inclined to set.
7. a kind of electric heating coil junction box structure according to claim 1, it is characterised in that, the support includes limit
Part, connecting cylinder and two stands；The two stands are connected to the side of locating part, and the first closing piece is in the top of two stands, and second
Closing piece is in the lower section of two stands；
The connecting cylinder is connected on the other side of locating part, and connecting cylinder is worn in the through hole, and connecting cylinder stretch to it is described
In installation cavity.
8. a kind of electric heating coil junction box structure according to claim 7, it is characterised in that, the locking device further includes
Nut；There is screw thread on the connection drum outer wall；The nut is set on connecting cylinder, and nut is threadedly coupled with connecting cylinder；
The mounting plate has a medial surface and a lateral surface, and the locating part is resisted against on the lateral surface of mounting plate, the spiral shell
Mother is resisted against on the medial surface of mounting plate.
9. a kind of electric heating coil junction box structure according to claim 7 or 8, it is characterised in that, the locking device is also
Including adjusting screw；Connecting hole is offered on the both ends of first closing piece, the both ends of the second closing piece and two stands；First lock
One end of block and one end of the second closing piece are fixed in the connecting hole of a bracket by an adjusting screw；The other end of first closing piece
It is fixed in the connecting hole of another bracket with the other end of the second closing piece by another adjusting screw.
10. a kind of electric heating coil junction box structure according to claim 7, it is characterised in that, in the middle part of first closing piece
There is the second cambered surface to lower recess with the first cambered surface being recessed upwards, in the middle part of second closing piece；Between electric wire is locked at
When in gap, electric wire is attached in the first cambered surface and the second cambered surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910556320.8A CN110416940A (en) | 2019-06-25 | 2019-06-25 | A kind of electric heating coil junction box structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910556320.8A CN110416940A (en) | 2019-06-25 | 2019-06-25 | A kind of electric heating coil junction box structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110416940A true CN110416940A (en) | 2019-11-05 |
Family
ID=68359852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910556320.8A Pending CN110416940A (en) | 2019-06-25 | 2019-06-25 | A kind of electric heating coil junction box structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110416940A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2628577A1 (en) * | 1988-03-09 | 1989-09-15 | Seram | Wall-mounted junction box for electrical cables - has moulded base fixed ends provided with access holes, and removable U=shaped cover enclosing connectors |
| JP2002165329A (en) * | 2000-11-27 | 2002-06-07 | Furukawa Electric Co Ltd:The | Indoor distribution box |
| CN202524223U (en) * | 2012-03-29 | 2012-11-07 | 湖北惠洋电器制造有限公司 | Mounting structure of motor wire-outlet pipe |
| CN202798291U (en) * | 2012-08-30 | 2013-03-13 | 中山大洋电机制造有限公司 | Junction box structure of motor |
| CN203084136U (en) * | 2013-03-05 | 2013-07-24 | 常州天合光能有限公司 | Photovoltaic module laminating testing jig |
| CN203787554U (en) * | 2014-01-17 | 2014-08-20 | 中国联合网络通信集团有限公司 | Concealed antenna |
| CN203951305U (en) * | 2014-07-03 | 2014-11-19 | 江苏星宇电机有限公司 | A kind of shell of speed-measuring generator |
| CN104412497A (en) * | 2012-06-29 | 2015-03-11 | 利莱森玛电机公司 | Rotating electric machine provided with a terminal box |
| TWM526171U (en) * | 2016-03-17 | 2016-07-21 | Shang Wet Electrics Co Ltd | Improved structure of power supply switch |
| CN206542278U (en) * | 2017-03-06 | 2017-10-03 | 广东合一新材料研究院有限公司 | A kind of wire inlet-outlet sealing structure of the cold wheel hub motor of liquid |
| CN207573226U (en) * | 2017-12-18 | 2018-07-03 | 西安翌飞核能装备股份有限公司 | A kind of integrated drive generator |
| CN208806387U (en) * | 2018-08-16 | 2019-04-30 | 安费诺科技(珠海)有限公司 | A kind of anti-discharge single core connector |
| CN210111529U (en) * | 2019-06-25 | 2020-02-21 | 宁波长飞亚塑料机械制造有限公司 | Junction box structure for electric heating ring |
-
2019
- 2019-06-25 CN CN201910556320.8A patent/CN110416940A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2628577A1 (en) * | 1988-03-09 | 1989-09-15 | Seram | Wall-mounted junction box for electrical cables - has moulded base fixed ends provided with access holes, and removable U=shaped cover enclosing connectors |
| JP2002165329A (en) * | 2000-11-27 | 2002-06-07 | Furukawa Electric Co Ltd:The | Indoor distribution box |
| CN202524223U (en) * | 2012-03-29 | 2012-11-07 | 湖北惠洋电器制造有限公司 | Mounting structure of motor wire-outlet pipe |
| CN104412497A (en) * | 2012-06-29 | 2015-03-11 | 利莱森玛电机公司 | Rotating electric machine provided with a terminal box |
| CN202798291U (en) * | 2012-08-30 | 2013-03-13 | 中山大洋电机制造有限公司 | Junction box structure of motor |
| CN203084136U (en) * | 2013-03-05 | 2013-07-24 | 常州天合光能有限公司 | Photovoltaic module laminating testing jig |
| CN203787554U (en) * | 2014-01-17 | 2014-08-20 | 中国联合网络通信集团有限公司 | Concealed antenna |
| CN203951305U (en) * | 2014-07-03 | 2014-11-19 | 江苏星宇电机有限公司 | A kind of shell of speed-measuring generator |
| TWM526171U (en) * | 2016-03-17 | 2016-07-21 | Shang Wet Electrics Co Ltd | Improved structure of power supply switch |
| CN206542278U (en) * | 2017-03-06 | 2017-10-03 | 广东合一新材料研究院有限公司 | A kind of wire inlet-outlet sealing structure of the cold wheel hub motor of liquid |
| CN207573226U (en) * | 2017-12-18 | 2018-07-03 | 西安翌飞核能装备股份有限公司 | A kind of integrated drive generator |
| CN208806387U (en) * | 2018-08-16 | 2019-04-30 | 安费诺科技(珠海)有限公司 | A kind of anti-discharge single core connector |
| CN210111529U (en) * | 2019-06-25 | 2020-02-21 | 宁波长飞亚塑料机械制造有限公司 | Junction box structure for electric heating ring |
Non-Patent Citations (1)
| Title |
|---|
| 莫永杰, 吴宇: "激光指向仪安装使用维护过程中的几点建议", 煤炭技术, no. 01, 10 January 2004 (2004-01-10), pages 7 - 9 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104332184B (en) | Target-plate probe system applicable to full-tungsten divertor of EAST tokamak device | |
| KR101514020B1 (en) | Apparatus for monitering and reducing power loss of overhead distribution line | |
| CN110336231A (en) | A kind of electric heating coil junction box structure with signaling transfer point | |
| BR112013021147B1 (en) | SPARK PLUG OF AN INTERNAL COMBUSTION ENGINE | |
| CN206379478U (en) | A kind of wire clamp | |
| CN110416940A (en) | A kind of electric heating coil junction box structure | |
| KR200442555Y1 (en) | Fixing metal tool of suspend insulator for a power-transmission line | |
| CN210111529U (en) | Junction box structure for electric heating ring | |
| CN207038838U (en) | A kind of binding post | |
| CN108643698A (en) | A kind of flexible Combined type power fence | |
| CN209218523U (en) | A kind of microcomputer motor comprehensive protector | |
| CN111917094A (en) | Multifunctional line overvoltage protection device and lightning protection method thereof | |
| CN210453631U (en) | Heating device | |
| US2333519A (en) | Transformer mounting lug | |
| CN110355965A (en) | A kind of heater | |
| CN208657102U (en) | A kind of high security electric heater | |
| CN213070136U (en) | Highway illegal crossing isolation early warning system assembly devices | |
| CN209623907U (en) | A kind of monitoring device of the spare hydro power generation with warning function | |
| CN210607131U (en) | Moulded case circuit breaker with installing support | |
| CN208538657U (en) | A kind of novel transformer conducting rod | |
| CN210640070U (en) | Indoor automatic tripping lightning arrester | |
| CN207459241U (en) | A kind of conducting rod | |
| CN107947137A (en) | A kind of superhigh voltage DC breaker power electronics bypass valve segment structure | |
| KR101869715B1 (en) | Apparatus for Monitoring of Electric Power Transmission Linds | |
| CN110370583B (en) | Heater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |