CN110370583B - Heater - Google Patents
Heater Download PDFInfo
- Publication number
- CN110370583B CN110370583B CN201910557286.6A CN201910557286A CN110370583B CN 110370583 B CN110370583 B CN 110370583B CN 201910557286 A CN201910557286 A CN 201910557286A CN 110370583 B CN110370583 B CN 110370583B
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- Prior art keywords
- block
- locking
- fixing
- mounting
- shell
- Prior art date
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- 239000004020 conductor Substances 0.000 claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 239000000919 ceramic Substances 0.000 claims description 29
- 238000002788 crimping Methods 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 239000010445 mica Substances 0.000 description 3
- 229910052618 mica group Inorganic materials 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/72—Heating or cooling
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Central Heating Systems (AREA)
- Resistance Heating (AREA)
Abstract
The invention relates to the technical field of heaters, and discloses a heater, which comprises: the shell assembly comprises a hollow shell, a heating element is arranged in the shell, and two mounting plates with through holes are arranged on the shell; the two mounting plates are arranged at intervals, the two mounting plates are provided with cover bodies, and the shell, the cover bodies and the two mounting plates form a mounting cavity; the wiring device and the switching device are arranged in the mounting cavity, and the wiring device comprises two conductor blocks; wherein one conductor block is communicated with one end of the heating element, and the other conductor block is communicated with the other end of the heating element; the locking device comprises a support, a first locking piece and a second locking piece which are arranged on the support; the support sets up in the through-hole, has the clearance that is used for locking the electric wire between first locking piece and the second locking piece, and the width of clearance is adjustable. The invention has the advantages that the heater is convenient to be connected in parallel and has compact structure; and the wiring is stable, and the phenomenon of ignition caused by loosening of the electric wires can be prevented.
Description
Technical Field
The invention relates to the technical field of heaters, in particular to a heater.
Background
There are two common types of heaters used on existing injection molding machines: among them, a heater of the type with a wire has such problems in practical application: when the cable length is too long, redundant parts need to be cut off, so that the cost of the cable is wasted; if the cable length is too short, the direct connection cannot be realized, and a switching device and a cable are required to be added in the middle; this results in heaters of different cable lengths, which are difficult to standardize and are not conducive to production control.
Another is a junction box heater using a pin terminal, which has the following problems in practical application: the contact area between the needle and wire terminals and the terminal holes is small, so that poor contact and local heating of the wiring ports are easy to cause, and the wiring terminals are burnt; and when a plurality of heater power cords are switched, only one binding post is needed, a plurality of wires are needed to be connected into one terminal hole, the crimping force is easy to be insufficient, loosening occurs at the terminal connection part, and when the heater heats, a sparking phenomenon occurs, so that the binding post is burnt.
The patent number 201910011440.X discloses a detachable energy-saving injection molding machine heater which consists of a left half part and a right half part and comprises a frame mechanism, a heating mechanism and a heat preservation mechanism. The left half part and the right half part are equal in size and shape and are hinged into an annular cylinder; the frame mechanism consists of a junction box, a protective outer cover, an end baffle, a guard plate, an inner ring and a mica sheet, wherein the protective outer cover and the inner ring are coaxial two arc plates, and the protective outer cover, the mica sheet and the inner ring form an outer closed space; the end baffle, mica sheet, guard board and protecting cover form an upper end closed space and a lower end closed space, and the heat preservation mechanism consists of an outer vacuum isolation block and an end vacuum isolation block and is arranged in the closed space. The power line of the heater is difficult to switch, the power line does not have any locking device, and when the machine vibrates violently, the insulating layer on the power line is easily stripped, so that the short circuit condition occurs; the contact area between the pin terminal and the terminal hole is small, so that poor contact and local heating occur.
In order to solve the problems of the prior heater, a heater which is convenient in wire combination, stable in wiring and capable of preventing the occurrence of the sparking phenomenon needs to be designed.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides an electric heater with convenient wire combination and stable wire connection.
The invention solves the technical problems by adopting the technical scheme that the invention provides a heater, which comprises:
the shell assembly comprises a hollow shell, a heating element is arranged in the shell, and two mounting plates with through holes are arranged on the shell; the two mounting plates are arranged at intervals, the two mounting plates are provided with cover bodies, and the shell, the cover bodies and the two mounting plates enclose a mounting cavity;
the wiring device and the switching device are arranged in the mounting cavity, and the wiring device comprises two conductor blocks; wherein one conductor block is communicated with one end of the heating element, and the other conductor block is communicated with the other end of the heating element;
the locking device comprises a support, a first locking piece and a second locking piece which are arranged on the support; the support is arranged in the through hole, a gap for locking the electric wire is arranged between the first locking block and the second locking block, and the width of the gap is adjustable.
In the above heater, the support comprises a limiting piece, a connecting cylinder and two brackets; the two brackets are connected to one side of the limiting piece, the first locking piece is positioned above the two brackets, and the second locking piece is positioned below the two brackets; the connecting cylinder is connected to the other side of the limiting piece, penetrates through the through hole, and stretches into the mounting cavity.
In the above heater, the locking device further comprises a nut and an adjusting screw; the outer wall of the connecting cylinder is provided with threads; the nut is sleeved on the connecting cylinder and is in threaded connection with the connecting cylinder; the mounting plate is provided with an inner side surface and an outer side surface, the limiting piece is abutted against the outer side surface of the mounting plate, and the nut is abutted against the inner side surface of the mounting plate;
mounting holes are formed in the two ends of the first locking block, the two ends of the second locking block and the two supports; one end of the first locking piece and one end of the second locking piece are connected to one bracket through an adjusting screw, and the other end of the first locking piece and the other end of the second locking piece are connected to the other bracket through another adjusting screw.
In the above heater, the first locking piece has a first arc surface recessed upward in the middle, and the second locking piece has a second arc surface recessed downward in the middle; when the electric wire is locked in the gap, the electric wire is attached to the first cambered surface and the second cambered surface; the limiting piece is arranged in a hexagonal mode.
In the above heater, the wiring device further comprises a first fixing screw, a second fixing screw, a wiring screw, a fixing plate and a ceramic block; the fixing plate is arranged on the shell, and connecting holes are formed in the fixing plate, the ceramic block and the two conductor blocks;
the ceramic block is arranged on the fixed plate, one conductor block is arranged at one end of the ceramic block, the other conductor block is arranged at the other end of the ceramic block, and each conductor block is connected with two wiring screws; the first fixing screw penetrates through the ceramic block from top to bottom to be connected with the fixing plate; the second fixing screw penetrates through the ceramic block from bottom to top to be connected with the conductor block.
In the above heater, the number of the switching devices is one or more, the switching devices and the wiring devices are arranged side by side, and the structure of the switching devices is the same as that of the wiring devices.
In the above heater, the casing is cylindrical, and a through groove is formed in the casing along an axial direction of the casing, and a circular hole communicated with the through groove is formed in the casing.
In one of the above-described heaters, the housing assembly further includes a fixture and a ceramic sheet disposed in the heating element; the fixing device comprises a bolt, a fixing nut and two fixing columns with bolt through holes, wherein one fixing column is arranged on the outer wall of the shell and is positioned at the left side of the through groove, and the other fixing column is arranged on the outer wall of the shell and is positioned at the right side of the through groove; the bolts sequentially penetrate through the two fixing columns to be connected with the fixing nuts.
In the heater, the two mounting plates are arranged in parallel, the tops of the two mounting plates extend out of a plurality of fixing blocks towards the side of the mounting cavity, the bottoms of the two mounting plates extend out of a connecting plate towards the opposite direction relative to the mounting cavity, and the connecting plate is attached to the outer wall of the shell;
the mounting plate is provided with a plurality of L-shaped grounding lugs, and the grounding lugs are all positioned in the mounting cavity.
In the above heater, the cross section of the cover body is in a "[" shape, and the cover body comprises two side plates and a cover plate connected between the two side plates; the cover plate is arranged on the fixed block, and the two side plates are positioned on the side surfaces of the two mounting plates.
Compared with the prior art, the invention has at least the following beneficial effects:
in the invention, the wiring device and the switching device are arranged in the mounting cavity side by side, so that the structure is compact, the space is saved, the problem of difficult heater wire combination can be effectively solved, and the expansibility is stronger; the structure of the wiring device is the same as that of the switching device, the OT terminal is used for crimping through wiring screws, so that the contact area is large, the connection is reliable, and the phenomena of loosening and ignition are avoided; the cover body and the two mounting plates in the shell assembly are arranged in a split mode, so that the shell with different diameters can be adapted only by adjusting the distance between the two mounting plates, and the working conditions are multiple; the locking device for fixing the electric wire is arranged on the mounting plate, after the electric wire is fixed, even if the machine is subjected to severe vibration, the insulating layer of the electric wire cannot be scraped, the hidden danger of short circuit of the electric wire is avoided, and the electric wire is not easy to loosen; moreover, by screwing the adjusting screw, the gap width between the first locking piece and the second locking piece is changed, so that the locking device can lock wires with different diameters.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the structure of FIG. 1 from another perspective;
FIG. 3 is a schematic view of the structure of FIG. 1 with the cover removed;
FIG. 4 is an exploded view of FIG. 1;
FIG. 5 is a schematic view of the assembly of the housing and two mounting plates;
FIG. 6 is a schematic cross-sectional view of a housing, heating element and ceramic wafer;
FIG. 7 is a schematic view of a locking device;
FIG. 8 is an exploded view of FIG. 7;
FIG. 9 is a schematic diagram of a wiring device;
fig. 10 is an exploded view of fig. 9.
In the figure, 1, a shell assembly; 10. a housing; 11. a heating element; 12. a ceramic sheet; 13. a mounting plate; 14. a cover body; 15. a mounting cavity; 16. a fixing device; 17. a grounding lug; 100. a through groove; 101. a round hole; 130. a through hole; 131. an inner side surface; 132. an outer side surface; 133. a fixed block; 134. a connecting plate; 140. a side plate; 141. a cover plate; 160. a bolt; 161. a fixing nut; 162. fixing the column; 1620. bolt through holes; 2. a wiring device; 20. a conductor block; 21. a first set screw; 22. a second set screw; 23. a binding screw; 24. a fixing plate; 25. a ceramic block; 200. a connection hole; 3. a switching device; 4. a locking device; 40. a support; 41. a first locking piece; 42. a second locking piece; 43. a nut; 44. an adjusting screw; 400. a limiting piece; 401. a connecting cylinder; 402. a bracket; 410. a first cambered surface; 420. a second cambered surface; 412. a gap; 4010. a thread; 4120. and (5) mounting holes.
Detailed Description
The technical scheme of the present invention will be described in further detail below by referring to the drawings and the detailed description, but the present invention is not limited to these examples.
As shown in fig. 1 to 6, a heater includes: a housing assembly 1, a wiring device 2, an adapter device 3 and a locking device 4.
The shell assembly 1 comprises a hollow shell 10, a heating element 11 is arranged in the shell 10, and two mounting plates 13 with through holes 130 are arranged on the shell 10; the two mounting plates 13 are arranged at intervals, the two mounting plates 13 are provided with the cover body 14, and the housing 10, the cover body 14 and the two mounting plates 13 enclose a mounting cavity 15; specifically, the two mounting plates 13 are arranged in parallel, the top parts of the two mounting plates 13 extend out a plurality of fixing blocks 133 towards the side of the mounting cavity 15, the bottom parts of the two mounting plates 13 extend out a connecting plate 134 towards the opposite direction relative to the mounting cavity 15, and the connecting plate 134 is attached to the outer wall of the housing 10; a plurality of L-shaped grounding lugs 17 are provided on the mounting plate 13, and the grounding lugs 17 are all located in the mounting cavity 15. The cover body 14 and the two mounting plates 13 are arranged into split type, and in the application process, the split type box body can adapt to the shells 10 with different diameters only by adjusting the distance between the two mounting plates 13; because the shell 10 is cylindrical, if the cover body 14 and the mounting plate 13 are integrally arranged, the box body enclosed by the cover body 14 and the mounting plate can only be suitable for the shell 10 with a fixed radius, and the split type arrangement mode in the scheme is suitable for a plurality of working conditions.
Preferably, the cross section of the cover 14 is "[" shaped, comprising two side plates 140 and a cover plate 141 connected between the two side plates 140; the cover plate 141 is provided on the fixed block, and the two side plates 140 are located at the sides of the two mounting plates 13. The arrangement of the cover 14 and the mounting plate 13 can effectively prevent dirt from entering the mounting cavity 15 so as to prevent the normal operation of the wiring device 2 and the switching device 3 from being affected.
Preferably, the casing 10 is cylindrical, and the casing 10 is provided with a through slot 100 along the axial direction thereof, and the casing 10 is further provided with a circular hole 101 communicating with the through slot 100. The round hole 101 can avoid interference with the bulge on the injection molding machine and has certain positioning and rotation preventing functions. The housing assembly 1 further comprises a fixture 16 and a ceramic plate 12 arranged in the heating element 11; the ceramic plate 12 has good thermal conductivity and stable performance, so that heat generated by the heating element 11 is transferred to the part to be heated, and the service life is long. The fixing device 16 comprises a bolt 160, a fixing nut 161 and two fixing columns 162 with bolt through holes 1620, wherein one fixing column 162 is arranged on the outer wall of the shell 10 and is positioned at the left side of the through groove 100; the other fixing post 162 is disposed on the outer wall of the housing 10 and is located on the right side of the through slot 100; the bolts 160 sequentially pass through the two fixing posts 162 and are connected with the fixing nuts 161. Both ends of the housing 10 are provided with fixing means 16, and in operation, when the housing 10 is fitted over a cylindrical part to be heated, the heater is fixed by the fixing means 16.
As shown in fig. 9-10, the wiring device 2 and the adapter device 3 are both arranged in the mounting cavity 15, and the wiring device 2 comprises two conductor blocks 20; wherein one conductor block 20 is communicated with one end of the heating element 11, and the other conductor block 20 is communicated with the other end of the heating element 11; common heating elements 11 are resistive wires or the like. Specifically, the wiring device 2 further includes a first fixing screw 21, a second fixing screw 22, a wiring screw 23, a fixing plate 24, and a ceramic block 25; the fixing plate 24 is arranged on the shell 10, and the fixing plate 24, the ceramic block 25 and the two conductor blocks 20 are provided with connecting holes 200; the ceramic block 25 is arranged on the fixed plate 24, one conductor block 20 is arranged at one end of the ceramic block 25, the other conductor block 20 is arranged at the other end of the ceramic block 25, and each conductor block 20 is connected with two wiring screws 23; through wiring screw 23 wiring, power cord and patch cord etc. all can use the OT terminal to carry out the crimping, and OT terminal cover is established on wiring screw 23, and the wiring screw 23 is fixed of screwing can for the area of contact between the OT terminal is big, connects reliably, can not appear becoming flexible and the phenomenon of striking sparks.
The first fixing screw 21 passes through the ceramic block 25 from top to bottom to be connected with the fixing plate 24; the second set screw 22 is connected to the conductor block 20 from below up through the ceramic block 25. The number of the switching devices 3 is one or more, the switching devices 3 and the wiring devices 2 are arranged side by side, and the structure of the switching devices 3 is the same as that of the wiring devices 2; the locking direction of the first fixing screw 21 and the second fixing screw 22 is reasonably set, so that the wiring device 2 and the switching device 3 are compact in structure, the sizes of the cover body 14 and the mounting plate 13 can be reduced, and the mounting space occupied by the whole heater is saved. The wiring device 2 and the switching device 3 can effectively solve the problem of difficult heater doubling, so that the expansibility of the heater is stronger, and when wires are switched, the switching wires are contained in the installation cavity 15, so that the switching wires can be prevented from being exposed outside and influenced by water or other sundries.
As shown in fig. 7-8, the locking device 4 comprises a support 40, and a first locking piece 41 and a second locking piece 42 arranged on the support 40; the support 40 is disposed in the through holes 130 on the mounting plate 13, and the number of through holes on the mounting plate 13 is the same as the number of locking devices 4, i.e., the number of locking devices 4 can be changed according to the mounting requirement; a gap 412 for locking the electric wire is provided between the first locking piece 41 and the second locking piece 42, and the width of the gap 412 is adjustable. The width of the gap 412 can be adjusted so that the locking device 4 can lock wires with different diameters. Compared with the existing heater, the electric wire entering the installation cavity 15 from outside is connected to the wiring device 2, the locking device 4 can lock the electric wire, and even if the machine is subjected to severe vibration, the insulating layer of the electric wire can not be scraped, so that the hidden danger of electric wire short circuit is avoided; moreover, the width of the gap 412 between the first locking piece 41 and the second locking piece 42 is changed, and only the adjusting screw 44 is required to be screwed, so that the operation is simple.
Wherein, the support 40 comprises a limiting piece 400, a connecting cylinder 401 and two brackets 402; the two brackets 402 are connected to one side of the limiting piece 400, the first locking piece 41 is positioned above the two brackets 402, and the second locking piece 42 is positioned below the two brackets 402; the connecting cylinder 401 is connected to the other side of the stopper 400, the connecting cylinder 401 is penetrated in the through hole 130 of the mounting plate 13, and the connecting cylinder 401 extends into the mounting chamber 15.
Preferably, the locking device 4 further comprises a nut 43 and an adjusting screw 44; the outer wall of the connecting cylinder 401 is provided with threads 4010; the nut 43 is sleeved on the connecting cylinder 401, and the nut 43 is in threaded connection with the connecting cylinder 401; the mounting plate 13 is provided with an inner side surface 131 and an outer side surface 132, the limiting piece 400 is propped against the outer side surface 132 of the mounting plate 13, the nut 43 is propped against the inner side surface 131 of the mounting plate 13, the support 40 is fixed on the mounting plate 13, the limiting piece 400 is in a hexagonal shape, when the locking device 4 needs to be disassembled, the whole locking device 4 can be disassembled only by unscrewing the nut 43 from the connecting cylinder 401, and the hexagonal limiting piece 400 is also beneficial to tool clamping such as a spanner.
Preferably, mounting holes 4120 are formed at both ends of the first locking piece 41, both ends of the second locking piece 42 and both brackets 402; one end of the first locking piece 41 and one end of the second locking piece 42 are connected to one bracket 402 through an adjusting screw 44, the other end of the first locking piece 41 and the other end of the second locking piece 42 are connected to the other bracket 402 through another adjusting screw 44, and the heads of the two brackets 402 are provided with a guiding fillet, so that on one hand, wires can conveniently enter a gap 412, and on the other hand, the wires can be prevented from being cut by the support 40. The middle part of the first locking piece 41 is provided with a first cambered surface 410 which is concave upwards, and the middle part of the second locking piece 42 is provided with a second cambered surface 420 which is concave downwards; when the wire is locked in the gap 412, the wire is attached to the first and second curved surfaces 410 and 420.
In the working process, the heater is sleeved on the part to be heated and fixed by the fixing device 16; the power line enters the mounting cavity 15 from a gap 412 between the first locking piece 41 and the second locking piece 42 and is connected to the wiring screw 23 through an OT terminal; the wiring screw 23 on one conductor block 20 of the wiring device 2 is communicated with the positive electrode of the power supply, the wiring screw 23 on the other conductor block 20 of the wiring device 2 is communicated with the negative electrode of the power supply, and the power supply wire is locked by the locking device 4; according to the actual need, whether the switching device 3 is used or not is selected, and the wire switched from the interior of the heater can be fixed by the other locking device 4; after the power is turned on, the heating element 11 works to generate heat, and the heat is transferred to the part to be heated through the ceramic plate 12 to heat the part to be heated.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the invention. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Claims (5)
1. A heater, comprising:
the shell assembly comprises a hollow shell, a heating element is arranged in the shell, and two mounting plates with through holes are arranged on the shell; the two mounting plates are arranged at intervals, the two mounting plates are provided with cover bodies, and the shell, the cover bodies and the two mounting plates enclose a mounting cavity;
the wiring device and the switching device are arranged in the mounting cavity, and the wiring device comprises two conductor blocks; wherein one conductor block is communicated with one end of the heating element, and the other conductor block is communicated with the other end of the heating element; the structure of the switching device is the same as that of the wiring device;
the locking device comprises a support, a first locking piece and a second locking piece which are arranged on the support; the support is arranged in the through hole, a gap for locking the electric wire is arranged between the first locking block and the second locking block, and the width of the gap is adjustable;
wherein the support comprises a limiting part, a connecting cylinder and two brackets; the two brackets are connected to one side of the limiting piece, the first locking piece is positioned above the two brackets, and the second locking piece is positioned below the two brackets; the connecting cylinder is connected to the other side of the limiting piece, penetrates through the through hole and extends into the mounting cavity;
the locking device also comprises a nut and an adjusting screw; the outer wall of the connecting cylinder is provided with threads; the nut is sleeved on the connecting cylinder and is in threaded connection with the connecting cylinder; the mounting plate is provided with an inner side surface and an outer side surface, the limiting piece is abutted against the outer side surface of the mounting plate, and the nut is abutted against the inner side surface of the mounting plate; mounting holes are formed in the two ends of the first locking block, the two ends of the second locking block and the two supports; one end of the first locking piece and one end of the second locking piece are connected to one bracket through an adjusting screw, and the other end of the first locking piece and the other end of the second locking piece are connected to the other bracket through another adjusting screw;
by screwing the adjusting screw, the gap between the first lock block and the second lock block can be changed; the locking device is provided with a plurality of wires which enter the heater and can be locked by the locking device, and the wires which are transferred from the inside of the heater can be locked by another locking device;
the wiring device further comprises a first fixing screw, a second fixing screw, a wiring screw, a fixing plate and a ceramic block; the fixing plate is arranged on the shell, and connecting holes are formed in the fixing plate, the ceramic block and the two conductor blocks; the ceramic block is arranged on the fixed plate, one conductor block is arranged at one end of the ceramic block, the other conductor block is arranged at the other end of the ceramic block, and each conductor block is connected with two wiring screws; the first fixing screw penetrates through the ceramic block from top to bottom to be connected with the fixing plate; the second fixing screw penetrates through the ceramic block from bottom to top to be connected with the conductor block;
the two mounting plates are arranged in parallel, the tops of the two mounting plates extend out of a plurality of fixing blocks towards the side of the mounting cavity, the bottoms of the two mounting plates extend out of a connecting plate towards the opposite direction relative to the mounting cavity, and the connecting plate is attached to the outer wall of the shell; a plurality of L-shaped grounding lugs are arranged on the mounting plate and are positioned in the mounting cavity;
the cross section of the cover body is in a shape of a cross section, and comprises two side plates and a cover plate connected between the two side plates; the cover plate is arranged on the fixed block, and the two side plates are positioned on the side surfaces of the two mounting plates;
the distance between the two mounting plates is adjustable, so that the two mounting plates and the cover body can be adapted to shells with different diameters.
2. The heater of claim 1, wherein the first locking piece has a first arcuate surface that is upwardly concave in the middle and the second locking piece has a second arcuate surface that is downwardly concave in the middle; when the electric wire is locked in the gap, the electric wire is attached to the first cambered surface and the second cambered surface; the limiting piece is arranged in a hexagonal mode.
3. A heater according to claim 1, wherein the number of said switching means is one or more, the switching means being arranged side by side with said wiring means.
4. The heater of claim 1, wherein the housing is cylindrical and has a through slot formed along an axial direction thereof, and a circular hole communicating with the through slot is formed in the housing.
5. A heater according to claim 4, wherein the housing assembly further comprises a fixture and a ceramic sheet disposed in the heating element; the fixing device comprises a bolt, a fixing nut and two fixing columns with bolt through holes, wherein one fixing column is arranged on the outer wall of the shell and is positioned at the left side of the through groove; the other fixed column is arranged on the outer wall of the shell and is positioned on the right side of the through groove; the bolts sequentially penetrate through the two fixing columns to be connected with the fixing nuts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910557286.6A CN110370583B (en) | 2019-06-25 | 2019-06-25 | Heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910557286.6A CN110370583B (en) | 2019-06-25 | 2019-06-25 | Heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110370583A CN110370583A (en) | 2019-10-25 |
| CN110370583B true CN110370583B (en) | 2024-03-19 |
Family
ID=68249398
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910557286.6A Active CN110370583B (en) | 2019-06-25 | 2019-06-25 | Heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110370583B (en) |
Citations (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1312934A (en) * | 1970-10-22 | 1973-04-11 | Rock Electrical Accessories Lt | Electrical junction box |
| CA2084296A1 (en) * | 1992-12-04 | 1994-06-05 | Jobst Ulrich Gellert | Method of making an injection molding nozzle with a heating element extending outward between adjacent collar portions |
| US5667712A (en) * | 1996-02-16 | 1997-09-16 | Watlow Electric Manufacturing Company | Expandable multi-segment band heater construction with improved electrical connection |
| JPH09320404A (en) * | 1996-05-30 | 1997-12-12 | Toko Denki Kk | Switch |
| JP2000067942A (en) * | 1998-08-18 | 2000-03-03 | Sumitomo Wiring Syst Ltd | Electric wire and pressure contacting connector |
| JP2000316215A (en) * | 1998-11-05 | 2000-11-14 | Toshiba Lighting & Technology Corp | Wiring apparatus |
| JP2001076803A (en) * | 1999-09-07 | 2001-03-23 | Yazaki Corp | Connector assembling structure for wiring board |
| JP2003111243A (en) * | 2001-09-26 | 2003-04-11 | Sumitomo Wiring Syst Ltd | Junction box |
| KR200401184Y1 (en) * | 2005-08-30 | 2005-11-15 | 주식회사 금광통신 | Terminal box |
| JP2007147008A (en) * | 2005-11-29 | 2007-06-14 | Asahi Electric Works Ltd | Looseness preventive nut and spacer gripping part using the same |
| JP2007335177A (en) * | 2006-06-14 | 2007-12-27 | Toyokuni Electric Cable Co Ltd | Connecting device of high voltage cable |
| KR100836183B1 (en) * | 2007-01-16 | 2008-06-09 | (주)나노테크 | Heater assembly and setup structure |
| DE202008002426U1 (en) * | 2008-02-21 | 2008-08-28 | Lumberg Connect Gmbh | Junction box for in particular photovoltaic panels |
| JP2008312303A (en) * | 2007-06-13 | 2008-12-25 | Viscas Corp | Terminal connection box for coaxial cv cable and its supporting structure |
| KR200444905Y1 (en) * | 2007-12-17 | 2009-06-15 | 현대로템 주식회사 | Terminal block of motor |
| JP2009207221A (en) * | 2008-02-26 | 2009-09-10 | Chugoku Electric Power Co Inc:The | Branch terminal box |
| JP2010063331A (en) * | 2008-09-08 | 2010-03-18 | Japan Recom Ltd | End face plate of closure for cable connection |
| CN201845886U (en) * | 2010-10-19 | 2011-05-25 | 人民电器集团有限公司 | Anti-falling wiring terminal |
| CN102225603A (en) * | 2011-05-19 | 2011-10-26 | 扬州沃尔科技有限公司 | Fin type ceramic air-cooled heater |
| KR101151823B1 (en) * | 2012-03-30 | 2012-06-01 | 한라아이엠에스 주식회사 | Flat type light fixtures using led |
| JP2012244876A (en) * | 2011-05-24 | 2012-12-10 | Yazaki Corp | Connection structure of electric apparatus and wire end terminal, and electric connection box |
| US8476541B1 (en) * | 2011-03-15 | 2013-07-02 | Kenneth Kiely | Junction/outlet box locking insert, junction/outlet box system and method |
| RU136268U1 (en) * | 2013-04-22 | 2013-12-27 | Михаил Станиславович Елисеев | ELECTRIC INFRARED HEATER |
| CN104362559A (en) * | 2014-11-21 | 2015-02-18 | 苏州明远冲压件厂 | Adjustable wire arrangement fixing apparatus |
| CN105591337A (en) * | 2016-02-17 | 2016-05-18 | 成都佳美嘉科技有限公司 | Junction box |
| CN205601116U (en) * | 2016-04-29 | 2016-09-28 | 杭州佐帕斯工业有限公司 | Totally closed type stainless steel nozzle ring heater structure |
| CN106299755A (en) * | 2016-08-17 | 2017-01-04 | 广州番禺电缆集团有限公司 | A kind of universal meter ramp of easy processing |
| CN206335824U (en) * | 2016-11-21 | 2017-07-18 | 天津奥强科技有限公司 | A kind of embedded heater of plastics machinery |
| CN109066545A (en) * | 2018-09-11 | 2018-12-21 | 镇江宝源电仪设备有限公司 | A kind of bus duct being easily installed |
| CN109449845A (en) * | 2018-11-15 | 2019-03-08 | 陕西华邦科技发展有限公司 | A kind of comprehensive wiring box threading slot device |
| CN109571896A (en) * | 2019-01-07 | 2019-04-05 | 盐城工学院 | A kind of detachable energy-saving injection molding machine heater |
| CN109760266A (en) * | 2018-12-29 | 2019-05-17 | 宁波长飞亚塑料机械制造有限公司 | A kind of R type electric injection rotary shaft double coloured plastic injection machine |
| JP2019092262A (en) * | 2017-11-13 | 2019-06-13 | 矢崎総業株式会社 | Connection structure for electric wire |
| CN210453631U (en) * | 2019-06-25 | 2020-05-05 | 宁波长飞亚塑料机械制造有限公司 | Heating device |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWM445311U (en) * | 2012-08-22 | 2013-01-11 | Amroad Technology Inc | Removing or panel has a doorway device housing assembly |
| US20140110399A1 (en) * | 2012-10-18 | 2014-04-24 | Kensuke NORITAKE | Wire connection structure for three-phase sheath type heater, three-phase sheath type heater provided with the structure, and wire connection method for three-phase sheath type heater |
| JP6727951B2 (en) * | 2016-06-24 | 2020-07-22 | 三菱重工サーマルシステムズ株式会社 | Electric wire introduction part structure of electric compressor, shielded electric wire having the same, and electric compressor |
| US10971904B2 (en) * | 2016-10-19 | 2021-04-06 | Southwire Company, Llc | Junction box with universal fitment articulating cover |
-
2019
- 2019-06-25 CN CN201910557286.6A patent/CN110370583B/en active Active
Patent Citations (34)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1312934A (en) * | 1970-10-22 | 1973-04-11 | Rock Electrical Accessories Lt | Electrical junction box |
| CA2084296A1 (en) * | 1992-12-04 | 1994-06-05 | Jobst Ulrich Gellert | Method of making an injection molding nozzle with a heating element extending outward between adjacent collar portions |
| US5667712A (en) * | 1996-02-16 | 1997-09-16 | Watlow Electric Manufacturing Company | Expandable multi-segment band heater construction with improved electrical connection |
| JPH09320404A (en) * | 1996-05-30 | 1997-12-12 | Toko Denki Kk | Switch |
| JP2000067942A (en) * | 1998-08-18 | 2000-03-03 | Sumitomo Wiring Syst Ltd | Electric wire and pressure contacting connector |
| JP2000316215A (en) * | 1998-11-05 | 2000-11-14 | Toshiba Lighting & Technology Corp | Wiring apparatus |
| JP2001076803A (en) * | 1999-09-07 | 2001-03-23 | Yazaki Corp | Connector assembling structure for wiring board |
| JP2003111243A (en) * | 2001-09-26 | 2003-04-11 | Sumitomo Wiring Syst Ltd | Junction box |
| KR200401184Y1 (en) * | 2005-08-30 | 2005-11-15 | 주식회사 금광통신 | Terminal box |
| JP2007147008A (en) * | 2005-11-29 | 2007-06-14 | Asahi Electric Works Ltd | Looseness preventive nut and spacer gripping part using the same |
| JP2007335177A (en) * | 2006-06-14 | 2007-12-27 | Toyokuni Electric Cable Co Ltd | Connecting device of high voltage cable |
| KR100836183B1 (en) * | 2007-01-16 | 2008-06-09 | (주)나노테크 | Heater assembly and setup structure |
| JP2008312303A (en) * | 2007-06-13 | 2008-12-25 | Viscas Corp | Terminal connection box for coaxial cv cable and its supporting structure |
| KR200444905Y1 (en) * | 2007-12-17 | 2009-06-15 | 현대로템 주식회사 | Terminal block of motor |
| DE202008002426U1 (en) * | 2008-02-21 | 2008-08-28 | Lumberg Connect Gmbh | Junction box for in particular photovoltaic panels |
| JP2009207221A (en) * | 2008-02-26 | 2009-09-10 | Chugoku Electric Power Co Inc:The | Branch terminal box |
| JP2010063331A (en) * | 2008-09-08 | 2010-03-18 | Japan Recom Ltd | End face plate of closure for cable connection |
| CN201845886U (en) * | 2010-10-19 | 2011-05-25 | 人民电器集团有限公司 | Anti-falling wiring terminal |
| US8476541B1 (en) * | 2011-03-15 | 2013-07-02 | Kenneth Kiely | Junction/outlet box locking insert, junction/outlet box system and method |
| CN102225603A (en) * | 2011-05-19 | 2011-10-26 | 扬州沃尔科技有限公司 | Fin type ceramic air-cooled heater |
| JP2012244876A (en) * | 2011-05-24 | 2012-12-10 | Yazaki Corp | Connection structure of electric apparatus and wire end terminal, and electric connection box |
| KR101151823B1 (en) * | 2012-03-30 | 2012-06-01 | 한라아이엠에스 주식회사 | Flat type light fixtures using led |
| RU136268U1 (en) * | 2013-04-22 | 2013-12-27 | Михаил Станиславович Елисеев | ELECTRIC INFRARED HEATER |
| CN104362559A (en) * | 2014-11-21 | 2015-02-18 | 苏州明远冲压件厂 | Adjustable wire arrangement fixing apparatus |
| CN105591337A (en) * | 2016-02-17 | 2016-05-18 | 成都佳美嘉科技有限公司 | Junction box |
| CN205601116U (en) * | 2016-04-29 | 2016-09-28 | 杭州佐帕斯工业有限公司 | Totally closed type stainless steel nozzle ring heater structure |
| CN106299755A (en) * | 2016-08-17 | 2017-01-04 | 广州番禺电缆集团有限公司 | A kind of universal meter ramp of easy processing |
| CN206335824U (en) * | 2016-11-21 | 2017-07-18 | 天津奥强科技有限公司 | A kind of embedded heater of plastics machinery |
| JP2019092262A (en) * | 2017-11-13 | 2019-06-13 | 矢崎総業株式会社 | Connection structure for electric wire |
| CN109066545A (en) * | 2018-09-11 | 2018-12-21 | 镇江宝源电仪设备有限公司 | A kind of bus duct being easily installed |
| CN109449845A (en) * | 2018-11-15 | 2019-03-08 | 陕西华邦科技发展有限公司 | A kind of comprehensive wiring box threading slot device |
| CN109760266A (en) * | 2018-12-29 | 2019-05-17 | 宁波长飞亚塑料机械制造有限公司 | A kind of R type electric injection rotary shaft double coloured plastic injection machine |
| CN109571896A (en) * | 2019-01-07 | 2019-04-05 | 盐城工学院 | A kind of detachable energy-saving injection molding machine heater |
| CN210453631U (en) * | 2019-06-25 | 2020-05-05 | 宁波长飞亚塑料机械制造有限公司 | Heating device |
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