CN111148289A - Electric heating ring - Google Patents
Electric heating ring Download PDFInfo
- Publication number
- CN111148289A CN111148289A CN201811311474.2A CN201811311474A CN111148289A CN 111148289 A CN111148289 A CN 111148289A CN 201811311474 A CN201811311474 A CN 201811311474A CN 111148289 A CN111148289 A CN 111148289A
- Authority
- CN
- China
- Prior art keywords
- electric heating
- main body
- shell main
- metal
- heat
- 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
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Classifications
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/02—Details
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B3/00—Ohmic-resistance heating
- H05B3/40—Heating elements having the shape of rods or tubes
- H05B3/42—Heating elements having the shape of rods or tubes non-flexible
Abstract
The invention provides an electric heating ring which comprises two work pieces, wherein any work piece comprises a shell main body and a junction box, the two work pieces are detachably connected, metal cover heads are arranged at two ends of the shell main body and are detachable from the shell main body, a metal clamping bar is arranged in the shell main body and is detachably connected with the shell main body, the metal clamping bar is used as an internal component support frame to fix a heating pipe and is not easy to damage, and the work piece further comprises an end surface heat insulation layer, a main body heat insulation layer, a mica sheet, an insulation plate, a current conducting plate, an electric heating pipe, a reflecting cover, a heat resisting groove and the like. The invention has the advantages of ingenious structure, convenient maintenance, high thermal efficiency and practical function, improves the maintenance efficiency, saves resources and improves the working environment.
Description
Technical Field
The invention relates to a novel electric heating ring.
Background
The more and more the heating operation in industrial production is applied to an electric heating ring, the electric heating ring on the market usually consists of two work pieces and a junction box, the two work pieces are powered by the junction box, and the work pieces are usually fixedly connected by a rotatable device and cannot be detached; the main body and two ends of the workpiece shell are fixed in a non-detachable mode such as welding and the like; the components inside the workpiece and the shell main body are not detachable; the internal components usually use non-metals such as insulating plates and the like as support frames to fix the heating pipes, and are easy to damage. Once the vulnerable parts such as the insulating plate, the heating pipe and the like in one of the work pieces are damaged, the work of the whole heating ring is affected, and the heating ring needs to be replaced integrally; even the heating circle of damage returns the factory, because work piece shell main part and both ends are undetachable, need break and overhaul, the inside component of heating circle and shell main part undetachable also need break and overhaul, and the insulation board of the fixed heating pipe of internals damages, leads to needing the whole internals of dismouting, wastes time and energy, still causes serious waste.
In addition, because the workpiece shell main body and the two ends are usually welded and can not be detached, the components inside the workpiece and the shell main body can not be detached, when the workpiece is heated, the internal heat conducts heat outwards through the two ends of the workpiece and the joint of the components inside the workpiece and the shell main body, the working efficiency of the heating ring is low, the temperature of the shell main body is high, workers can be scalded, and the temperature of the working environment is increased.
Disclosure of Invention
The invention aims to overcome the defects, and provides a novel electric heating ring which is convenient to disassemble between two work pieces, is convenient to disassemble at two ends of the work pieces, is convenient to disassemble a main body of a shell of the work piece and internal components, is not easy to damage by taking metal as a support frame inside, can be quickly overhauled, has little heat leakage from the inside of the work piece to the outside, and is high in heat efficiency and low in temperature of the shell surface of the work piece.
The purpose of the invention is realized by the following technical scheme:
the invention relates to an electric heating ring, which comprises two work pieces, wherein any work piece comprises a shell main body, a junction box is arranged on the outer wall of the shell main body, one end of each shell main body is connected in a buckling mode, the other end of each shell main body is detachably hinged, two ends of each shell main body are respectively provided with a metal cover head, the metal cover heads and the shell main bodies are correspondingly provided with connecting holes, the metal cover heads are connected with the shell main bodies through connecting holes in a screw mode, an end surface heat preservation layer and a main body heat preservation layer are arranged in the shell main bodies, a reflecting cover is arranged in the main body heat preservation layer, a metal clamping row is respectively arranged above and below the reflecting cover, two tail ends of each metal clamping row are respectively provided with a fixing device, the fixing devices are correspondingly provided with connecting holes with the shell main bodies, the shell main bodies are connected with the fixing devices through the, the electric heating pipe penetrates through the mica sheet and the corresponding fixing holes on the metal clamping bars to be fixed, the electric heating pipe is placed along the axial direction of the shell main body, and a resistance wire is arranged in the electric heating pipe and passes in and out through a junction box.
The invention is further improved in that: the screw is externally provided with a convex plastic gasket with a through hole, the convex plastic gasket is inserted into the connecting hole of the shell body, the screw passes through the through hole of the convex plastic gasket and is respectively connected with the metal cap and the fixing device, and the convex plastic gasket is externally provided with a plastic cap for covering.
The invention is further improved in that: one end of the fixing device is connected with the tail end of the metal clamping bar through two welding points, and the other end of the fixing device is bent along the axial direction of the shell main body and is provided with a connecting hole for inserting a screw.
The invention is further improved in that: the end surface heat insulation layer is made of a heat insulation material which is easy to cut.
The invention is further improved in that: the electric heating tube is a quartz tube heating element.
The invention is further improved in that: the metal cover head is provided with a plurality of heat-resistant grooves, and two tail ends of the metal cover head are bent along the axial direction of the shell main body and are provided with connecting holes for inserting screws.
The invention is further improved in that: cover plates extend from two ends of the shell main body to the end surface direction.
The invention is further improved in that: the cover plate is provided with a heat resistance groove.
The invention is further improved in that: the reflector is also provided with two metal card rows, the metal card rows correspond to the fixing holes on the mica sheets, the outer circumferences of the two metal card rows are welded with the reflector,
the inner diameters of the two metal clamping rows are the same as the inner diameter of the metal cover head.
The invention is further improved in that: two ends of the main body heat-insulating layer are also provided with auxiliary heat-insulating layers, and the auxiliary heat-insulating layers are made of heat-insulating materials which are easy to cut.
The invention is further improved in that: the metal card row with the fixing device is arranged below, an insulating plate is further arranged between the reflecting cover and the main body heat-insulating layer, a plurality of threaded holes are correspondingly formed in the metal card row and the insulating plate, the metal card row and the insulating plate are connected through corresponding threaded hole screws, a conductive plate is further arranged on the insulating plate and between the mica sheet and the main body heat-insulating layer, a plurality of connecting holes are correspondingly formed in the conductive plate and the insulating plate, the conductive plate and the insulating plate are connected through the connecting holes through conductive bolts, two ends of the resistance wire are respectively connected with the conductive bolts on the two conductive plates, one conductive bolt on each conductive plate is optionally arranged in a mode that the resistance wire is connected in series or in parallel or the.
Compared with the prior art, the invention has the following advantages:
the invention has convenient maintenance, difficult damage of the internal support frame, practical function and high thermal efficiency; the electric heating ring is provided with two work pieces, each work piece is provided with the junction box, power can be supplied independently, the work pieces are hinged in a mode convenient to detach, any work piece is damaged, only one work piece needs to be replaced, and the electric heating ring is not required to be replaced integrally; according to the invention, the metal cover heads are arranged at two ends of the workpiece and are connected with the shell main body through screws, so that the workpiece can be quickly opened, and the end surface heat insulation layer below the metal cover heads is made of heat insulation material which is easy to cut and is convenient to take out; according to the invention, the upper and lower metal clamping bars arranged in the workpiece shell main body are used as support frames for fixing the heating pipe, so that the heating pipe is not easy to damage, and the traditional non-metal insulating plate fixing heating pipe is easy to damage, and once damaged, the whole support frame is required to be replaced; the metal clamping bar is connected with the shell main body through screws, so that the internal components can be taken out quickly for maintenance; according to the invention, the cover plate extends from two ends of the shell main body to the end faces, the cover plate is provided with the heat-resistant groove, the metal cover head is buckled below the cover plate, the heat-resistant groove is arranged on the metal cover head, the temperature of the inner circumference of the metal cover head is higher than that of a heated object in direct contact, the heat-resistant groove is arranged, the metal cover head and the cover plate extending from the shell main body are not arranged on the same surface, the temperature of the inner circumference of the metal cover head is only slightly higher, and the plastic gasket is arranged outside a screw for connecting the metal cover head and the shell main body, so that the outward heat conduction of the metal; according to the fixing device for connecting the metal clamping bar of the internal component and the shell main body, the metal clamping bar is subjected to spot welding, and the plastic gasket is arranged outside the screw for connecting the fixing device and the shell main body, so that the outward heat conduction of the metal clamping bar is greatly reduced; the middle of the reflecting cover is also provided with two metal card rows, the outer circumferences of the two metal card rows are welded with the reflecting cover, and the inner diameters of the two metal card rows are the same as the inner diameter of the metal cover head, so that the high temperature on the reflecting cover can be transferred to a heated object in a heat conduction mode, and not only the heat radiation of the reflecting cover is realized; the heat insulation cotton which is easy to cut is arranged on the surface where the two workpieces are combined, so that the sealing effect is achieved, and the heat inside the workpieces is prevented from leaking to the outside through the surface where the two workpieces are contacted; the upper and lower conductive plates can be arranged in the workpiece, so that the electric heating pipes can be connected in series, in parallel or in series and parallel, and the practicability is enhanced.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a view of the internal connection structure of a workpiece according to the present invention;
FIG. 3 is an enlarged partial view of a workpiece according to the present invention;
FIG. 4 is an exploded view of a workpiece according to a first embodiment of the invention;
FIG. 5 is a view showing the connection structure of the internal components of the workpiece according to the first embodiment of the present invention;
FIG. 6 is an exploded view of a workpiece according to a second embodiment of the invention;
FIG. 7 is a view showing the connection structure of the internal components of the workpiece according to the second embodiment of the present invention;
FIG. 8 is an exploded view of the internal components of the workpiece according to a second embodiment of the invention;
in the figure: 1. a housing main body; 2. a junction box; 3. buckling; 4. the hinge joint can be disassembled; 5. a metal cap; 6. connecting holes; 7. a screw; 8. an end surface heat insulation layer; 9. a main body insulating layer; 10. a metal card row; 11. A fixing device; 12. connecting holes; 13. a screw; 14. a reflector; 15. mica sheets; 16. a fixing hole; 17. an electric heating tube; 18. a resistance wire; 19. a convex plastic gasket; 20. a plastic cap; 21. welding spots; 23. a heat resistance groove; 24. a cover plate; 25. a heat resistance groove; 26. a metal card row; 27. an auxiliary insulating layer; 28. an insulating plate; 29. a threaded hole; 30. a screw; 31. a conductive plate; 32. connecting holes; 33. and a conductive bolt.
Detailed Description
The following detailed description of specific embodiments of the invention refers to the accompanying drawings.
Referring to fig. 1 to 5, which illustrate a first embodiment of the present invention, the electric heating ring includes two work pieces, each of the work pieces includes a housing body 1, a junction box 2 is disposed on an outer wall of the housing body, one end of the two housing bodies is connected by a buckle 3, the other end is detachably hinged 4, two ends of the housing body are respectively provided with a metal cover 5, the metal cover and the housing body are correspondingly provided with threaded holes 6, the metal cover is connected with housing body screws 7 through the threaded holes, an end surface heat-insulating layer 8 and a body heat-insulating layer 9 are disposed in the housing body, an upper metal clamping row 10 and a lower metal clamping row 10 are disposed in the body heat-insulating layer, two ends of the metal clamping rows are respectively provided with a fixing device 11, the fixing device and the housing body are correspondingly provided with threaded holes 12, the housing body and the fixing device are connected, the utility model discloses a heating pipe, including the metal card row, the metal card is arranged in the metal card row, the metal card both ends metal capping head of damage, internals and shell all can be dismantled, conveniently take out the internals and overhaul, be equipped with bowl 14 between two metal card rows 10, be equipped with mica sheet 15 on the metal card row, it has a plurality of fixed orificess 16 to correspond on metal card row and the mica sheet, be equipped with a plurality of electric heating pipe 17 between the mica sheet, electric heating pipe passes the fixed orifices that corresponds on mica sheet and the metal card row and fixes, electric heating pipe places along the axial of shell main part, be equipped with resistance wire 18 in the electric heating pipe, the resistance wire passes through the terminal box business turn over setting, owing to adopt the metal card row as the fixed heating pipe of support frame, it is not fragile, the mica.
When the electric heating ring works, the quartz electric heating pipe radiates partial heat to the metal cover head 5, the metal clamping row 8 and the joint surface of two workpieces, the inner circumference of the metal cover head is directly contacted with a heated object at higher temperature, because the shell main body extends from two ends to the end surface to form the cover plate 24 and the cover plate is provided with the heat resistance groove 25, the metal cover head is buckled below the cover plate and is not positioned on one surface, the metal cover head is provided with the heat resistance groove 23, so that the inner circumference temperature of the metal cover head is not easy to be conducted to the outer circumference and the shell main body, the screw 7 connecting the metal cover head and the shell main body is provided with the convex plastic gasket for separating the heat on the metal cover head from the shell main body and reducing the temperature of the metal cover head and the temperature of the shell main body, the tail end of the fixing device on the metal clamping row is connected through the two welding spots 21, and the screw 13 connecting the other end of the shell main body is provided with the, metal card row passes through fixing device to shell main part heat conduction greatly reduced like this, it closes to have the plastics block lid on the gasket of expecting, further isolated heat, and prevent to scald, still be equipped with the outer circumference and the bowl welding of two metal card rows 26 on the bowl 14, the internal diameter of two metal card rows is the same with the internal diameter of metal capping 5, high temperature not only radiation on the bowl like this still transmits for the heated object through heat-conducting mode, the face that two work pieces combine is provided with the heat preservation cotton as supplementary heat preservation 27 of easily tailorring, play the sealing action, prevent that the inside heat of work piece from leaking to the outside through the face that two work pieces contacted.
Fig. 1 to 3 and fig. 6 to 8 show a second embodiment of the present invention, which is optimized based on the first embodiment, that is, a conductive plate and an insulating plate are added in the workpiece, so that when the workpiece works, the electric heating tubes can be connected in series or in parallel or in a combination of series and parallel through resistance wires, and the specific implementation shown in fig. 5 to 7 is as follows: an insulating plate 28 is further arranged below the metal card row 10, between the reflecting cover 14 and the main body insulating layer 9, a plurality of threaded holes 29 are correspondingly arranged on the metal card row 10 and the insulating plate 28, the metal card row 10 and the insulating plate 28 are connected through screws 30 corresponding to the threaded holes 29, a conductive plate 31 is further arranged on the insulating plate 28, between the mica sheet 15 and the main body insulating layer 9, a plurality of connecting holes 32 are correspondingly arranged on the conductive plate 31 and the insulating plate 28, the conductive plate 31 and the insulating plate 28 are connected through the connecting holes 32 by conductive bolts 33, two ends of the resistance wire 18 are respectively connected with the conductive bolts 33 on the two conductive plates 31, one conductive bolt 33 on each conductive plate 31 is optionally arranged in and out of the junction box 2 through a lead, the electric heating pipes 17 are connected in a mode of connecting the resistance wires 18 in series or in, the practicability is stronger.
The embodiments of the present invention have been described in detail, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All equivalent changes and modifications made within the scope of the present invention should be covered by the present patent.
Claims (11)
1. An electric heating coil, includes two work pieces, its characterized in that: the workpiece comprises a shell main body (1), a junction box (2) is arranged on the outer wall of the shell main body (1), one end of each of the two shell main bodies (1) is connected through a buckle (3), the other end of each of the two shell main bodies is detachably hinged (4), a metal cover head (5) is arranged at each of the two ends of each of the shell main bodies (1), a connecting hole (6) is formed in each of the metal cover heads (5) and the shell main body (1) correspondingly, each metal cover head (5) is connected with a screw (7) of each of the shell main bodies (1) through the connecting hole (6), an end face heat-insulating layer (8) and a main body heat-insulating layer (9) are arranged in each of the shell main bodies (1), a reflecting cover (14) is arranged in each of the main body heat-insulating layer (9), a metal clamping row (10) is arranged above and below, fixing device (11) with shell main part (1) corresponds there is connecting hole (12), shell main part (1) with fixing device (11) pass through connecting hole (12) screw (13) are connected, be equipped with mica sheet (15) on metal card row (10), metal card row (10) with it has a plurality of fixed orificess (16) to correspond on mica sheet (15), be equipped with a plurality of electric heating pipe (17) between mica sheet (15), electric heating pipe (17) pass mica sheet (15) with the fixed orifices (16) that correspond on the metal card row (10) are fixed, electric heating pipe (17) are followed the axial of shell main part (1) is placed, be equipped with resistance wire (18) in electric heating pipe (17), resistance wire (18) pass through terminal box (2) business turn over sets up.
2. An electric heating coil as claimed in claim 1, wherein: screw (7) and screw (13) have protruding type plastic pad piece (19) of taking the through-hole outward respectively, protruding type plastic pad piece (19) insert connecting hole (6) and connecting hole (12) on shell main part (1), screw (7) and screw (13) pass the through-hole of protruding type plastic pad piece (19), respectively with metal block (5) fixing device (11) are connected, protruding type plastic pad piece (19) have plastics block (20) lid outward to close.
3. An electric heating coil as claimed in claim 1, wherein: one end of the fixing device (11) is connected with the tail end of the metal clamping bar (10) through two welding points (21), and the other end of the fixing device is bent along the axial direction of the shell main body (1) and is provided with a connecting hole (12) inserted into the screw (13).
4. An electric heating coil as claimed in claim 1, wherein: the end surface heat preservation layer (8) is made of a heat preservation material which is easy to cut.
5. An electric heating coil as claimed in claim 1, wherein: the electric heating tube (17) is a quartz tube heating element.
6. An electric heating coil as claimed in claim 1, wherein: the metal cover head (5) is provided with a plurality of heat-resistant grooves (23), and two tail ends of the metal cover head (5) are bent along the axial direction of the shell main body (1) and are provided with connecting holes (6) inserted into the screws (7).
7. An electric heating coil as claimed in claim 1, wherein: and cover plates (24) extend from two ends of the shell main body (1) to the end surface direction.
8. An electric heating coil as claimed in claim 6, wherein: the cover plate (24) is provided with a heat resistance groove (25).
9. An electric heating coil as claimed in claim 1, wherein: the reflecting cover (14) is further provided with two metal clamping rows (26), the metal clamping rows (26) and the mica sheets (15) are correspondingly provided with fixing holes (16), the outer circumferences of the two metal clamping rows (26) are welded with the reflecting cover (14), and the inner diameters of the two metal clamping rows (26) are the same as the inner diameter of the metal cover head (5).
10. An electric heating coil as claimed in claim 1, wherein: two ends of the main body heat-insulating layer (9) are also provided with auxiliary heat-insulating layers (27), and the auxiliary heat-insulating layers (27) are made of heat-insulating materials which are easy to cut.
11. An electric heating coil as claimed in claim 1, wherein: an insulating plate (28) is further arranged below the metal card row (10) and between the reflecting cover (14) and the main body heat-insulating layer (9), a plurality of threaded holes (29) are correspondingly formed in the metal card row (10) and the insulating plate (28), the metal card row (10) and the insulating plate (28) are connected through screws (30) corresponding to the threaded holes (29), conductive plates (31) are further arranged on the insulating plate (28) and between the mica sheets (15) and the main body heat-insulating layer (9), a plurality of connecting holes (32) are correspondingly formed in the conductive plates (31) and the insulating plate (28), the conductive plates (31) and the insulating plate (28) are connected through the connecting holes (32) through conductive bolts (33), two ends of the resistance wire (18) are respectively connected with the conductive bolts (33) on the two conductive plates (31), and one conductive bolt (33) on each conductive plate (31) is respectively connected with the junction box through a wire (2) And the electric heating pipes (17) are connected in series or in parallel or in combination of series and parallel through the resistance wires (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811311474.2A CN111148289A (en) | 2018-11-06 | 2018-11-06 | Electric heating ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811311474.2A CN111148289A (en) | 2018-11-06 | 2018-11-06 | Electric heating ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111148289A true CN111148289A (en) | 2020-05-12 |
Family
ID=70515843
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811311474.2A Pending CN111148289A (en) | 2018-11-06 | 2018-11-06 | Electric heating ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111148289A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2004212459A1 (en) * | 2003-02-07 | 2004-08-26 | S.C. Johnson & Son, Inc. | Diffuser with light emitting diode nightlight |
| CN2715962Y (en) * | 2004-07-19 | 2005-08-10 | 曾昭承 | Quartz heating ring for plastic machinery |
| CN1908499A (en) * | 2005-08-03 | 2007-02-07 | 成都市兴岷江电热电器有限责任公司 | Electric heater for pipeline |
| CN101277557A (en) * | 2007-03-27 | 2008-10-01 | 钱志海 | Built-in electrical heating generator |
| CN202799207U (en) * | 2012-07-16 | 2013-03-13 | 张清波 | Novel quartz tube heating ring |
| CN104602373A (en) * | 2015-01-14 | 2015-05-06 | 泰州市艾克森电热仪表设备有限公司 | Electric heating ring |
| CN105120534A (en) * | 2015-09-01 | 2015-12-02 | 泰州市艾克森电热仪表设备有限公司 | Novel electric heating coil |
| CN107995708A (en) * | 2017-12-29 | 2018-05-04 | 大连恒宝四达科技发展有限公司 | Bank of power high-temperature nano silicon guided membrane heating tube |
-
2018
- 2018-11-06 CN CN201811311474.2A patent/CN111148289A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2004212459A1 (en) * | 2003-02-07 | 2004-08-26 | S.C. Johnson & Son, Inc. | Diffuser with light emitting diode nightlight |
| CN2715962Y (en) * | 2004-07-19 | 2005-08-10 | 曾昭承 | Quartz heating ring for plastic machinery |
| CN1908499A (en) * | 2005-08-03 | 2007-02-07 | 成都市兴岷江电热电器有限责任公司 | Electric heater for pipeline |
| CN101277557A (en) * | 2007-03-27 | 2008-10-01 | 钱志海 | Built-in electrical heating generator |
| CN202799207U (en) * | 2012-07-16 | 2013-03-13 | 张清波 | Novel quartz tube heating ring |
| CN104602373A (en) * | 2015-01-14 | 2015-05-06 | 泰州市艾克森电热仪表设备有限公司 | Electric heating ring |
| CN105120534A (en) * | 2015-09-01 | 2015-12-02 | 泰州市艾克森电热仪表设备有限公司 | Novel electric heating coil |
| CN107995708A (en) * | 2017-12-29 | 2018-05-04 | 大连恒宝四达科技发展有限公司 | Bank of power high-temperature nano silicon guided membrane heating tube |
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Application publication date: 20200512 |
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