CN218972916U - Explosion-proof wiring device of electric heater - Google Patents
Explosion-proof wiring device of electric heater Download PDFInfo
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- CN218972916U CN218972916U CN202223428553.6U CN202223428553U CN218972916U CN 218972916 U CN218972916 U CN 218972916U CN 202223428553 U CN202223428553 U CN 202223428553U CN 218972916 U CN218972916 U CN 218972916U
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- electric heater
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- sealing ring
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Abstract
The utility model discloses an explosion-proof wiring device of an electric heater, which comprises the electric heater, wherein one end of the electric heater is provided with a wiring part, the wiring part comprises a high-temperature-resistant sealing ring and a wiring pipe group, the high-temperature-resistant sealing ring is connected with the wiring pipe group, the wiring pipe group comprises an outer pipe shell and an inner shell, one side flange of the outer pipe shell is connected with the electric heater, a wiring clamping plate with a cable hole is arranged in the inner shell, a wiring pipe fitting is sleeved in the cable hole on the wiring clamping plate, an insulating filler is arranged between the wiring pipe fittings, the wiring part in the explosion-proof wiring device of the electric heater is tightly connected with the electric heater, and the penetration of water is further avoided through dry cotton, so that the sealing performance of the whole device is improved, the problem that the sealing performance and the safety performance of the device are influenced due to the aging and the water seepage of an O-shaped ring in the prior art is solved, and the wiring clamping plate is convenient to disassemble in a modularized design, and convenience of later maintenance is improved.
Description
Technical Field
The utility model relates to the technical field of heater production, in particular to an explosion-proof wiring device of an electric heater.
Background
When the electric heater is electrified to work, fluid entering the container body is heated and then is output by the outlet. Because the explosion-proof electric heater is usually installed outdoors and bears the invasion of natural weather such as wind, rain, snow and the like throughout the year, the existing explosion-proof electric heater is provided with an o-shaped rubber sealing ring for sealing at an explosion-proof sealing surface, but along with the time and the aging of the rubber ring, rainwater can easily infiltrate from a bolt hole of an explosion-proof wiring device, the explosion-proof sealing surface is gradually corroded, serious water seepage can enter a cylinder sealed by the explosion-proof wiring device, so that the explosion-proof electric heater cannot meet the explosion-proof requirement, and more possibly electric sparks can be generated, and the prior art is extremely likely to cause severe harm such as fire and explosion. And the existing explosion-proof wiring device is not easy to detach, and has a lot of inconvenience in overhaul.
Disclosure of Invention
The utility model aims to overcome the existing defects, and provides the explosion-proof wiring device for the electric heater, which can avoid water infiltration, is convenient to detach, improves the convenience of later maintenance and can effectively solve the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an explosion-proof termination of electric heater, includes electric heater, electric heater's one end is provided with wiring portion, wiring portion includes high temperature resistant sealing ring and wiring nest of tubes, high temperature resistant sealing ring is connected with the wiring nest of tubes, the wiring nest of tubes includes outer tube shell and interior casing, one side flange of outer tube shell is connected with electric heater, be provided with the wiring cardboard in the interior casing of taking the cable hole, the cable downthehole cover of wiring cardboard is equipped with wiring pipe fitting, be provided with insulating filler between the wiring pipe fitting, high temperature resistant sealing ring's both ends all are provided with binding post, and it is connected with electric heater and wiring terminal on the wiring cardboard, high temperature resistant sealing ring stretches into the recess looks lock joint at outer tube shell and wiring cardboard edge, the opposite side of outer tube shell is provided with the terminal box, be provided with corresponding control group and early warning group in the terminal box.
As a preferable technical scheme of the utility model, the two sides of the electric heater are provided with the fixed ear plates, and the fixed ear plates are connected with the external fixed assembly through the fasteners.
As a preferable technical scheme of the utility model, a positioning block is arranged between the outer tube shell and the inner shell, and the positioning block is connected with the wiring clamping plate through a fastener.
As a preferable technical scheme of the utility model, the wiring pipe fitting and the high-temperature-resistant sealing ring are both in modularized design and are connected through plugging.
As a preferable technical scheme of the utility model, the two ends of the electric heater are provided with the supporting seats, and the supporting seats are sleeved with the electric heater.
Compared with the prior art: the wiring part and the electric heater in the explosion-proof wiring device of the electric heater are tightly connected, and the infiltration of water is further avoided through the dry cotton, so that the sealing performance of the whole device is improved, the problem that the sealing performance and the safety performance of the device are affected due to the fact that the O-shaped ring is aged and infiltrated is solved, and the electric heater is modularized in design, convenient to detach and convenient to maintain in the later period is improved.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a front view of the present utility model;
FIG. 3 is a right side view of the cabinet door;
FIG. 4 is a schematic view of the cross-sectional structure A-A in FIG. 3.
In the figure: 1 an electric heater, 2 a high temperature resistant sealing ring, 3 a wiring part, 4 an outer tube shell, 5 a wiring clamping plate, 6 a wiring tube, 7 an insulating filler, 8 a wiring box, 9 a control group, 10 an early warning group, 11 a fixed ear plate, 12 a positioning block, 13 a supporting seat and 14 a wiring tube group.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. Based on the embodiment of the present utility model (for convenience of description and understanding, the following description will be given with the upper part of fig. 2 as the upper part). All other embodiments, which can be made by those skilled in the art without the inventive effort, are intended to be within the scope of the present utility model.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides an explosion-proof termination of electric heater, includes electric heater 1, and high temperature resistant sealing ring 2 in the wiring portion 3 stretches into in the electric heater 1, and both contact department is provided with the dry cotton that is used for keeping the internal environment dry, avoids the entering of rainwater, the one end of electric heater 1 is provided with wiring portion 3, wiring portion 3 includes high temperature resistant sealing ring 2 and wiring nest of tubes 14, high temperature resistant sealing ring 2 is connected with wiring nest of tubes 14.
Further, sealing rings are arranged at the joint of the high-temperature-resistant sealing ring 2 and the wiring tube group 14 and at the joint of the high-temperature-resistant sealing ring 2 and the electric heater 1, so that the air tightness between the parts is improved.
Specifically, the wiring tube group 14 includes outer tube shell 4 and interior casing, one side flange of outer tube shell 4 is connected with electric heater 1, be provided with the wiring cardboard 5 in the interior casing of taking the cable hole, the downthehole cover of cable on the wiring cardboard 5 is equipped with wiring pipe fitting 6, be provided with insulating filler 7 between the wiring pipe fitting 6, the both ends of high temperature resistant sealing ring 2 all are provided with binding post, and it is connected with the wiring terminal on electric heater 1 and the wiring cardboard 5.
Further, through the use of the wiring pipe fitting 6, the electric connection of the components is facilitated, and the convenience of assembly is improved.
Specifically, the inside of the wiring pipe fitting 6 is also provided with a cavity for placing cooling liquid, so that the high temperature generated by heating of the cable is reduced, and the convenience of use is improved.
Specifically, the high temperature resistant sealing ring 2 stretches into the outer tube shell 4 and is connected with the groove at the edge of the wiring clamping plate 5 in a buckling mode, a wiring box 8 is arranged on the other side of the outer tube shell 4, and a corresponding control group 9 and an early warning group 10 are arranged in the wiring box 8.
Further, the two sides of the electric heater 1 are provided with fixed ear plates 11, and the fixed ear plates 11 are connected with an external fixed assembly through fasteners.
Specifically, the electric heater 1 is connected with the external fixing assembly through the fixing ear plate 11, so that the stability of the electric heater 1 can be improved.
Further, a positioning block 12 is arranged in the outer tube shell 4, and the positioning block 12 is connected with the wiring clamping plate 5 through a fastener.
Furthermore, the wiring pipe fitting 6 and the high-temperature resistant sealing ring 2 are both in a modularized design.
Specifically, the two ends of the electric heater 1 are provided with supporting seats 13, and the supporting seats 13 are sleeved with the electric heater 1.
When in use: the electric heater 1 is connected with the high-temperature-resistant sealing ring 2 through a fastener, the electric heater 1 is fixed with the high-temperature-resistant sealing ring 2 under the action of the sealing ring, the other end of the high-temperature-resistant sealing ring 2 is connected with the wiring tube group 14, the wiring tube 6 is connected with wiring terminals in the electric heater 1 and the wiring box 8, and the electric heater 1 is controlled and monitored through the control group 9 and the early warning group 10 in the wiring box 8.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an explosion-proof termination of electric heater, includes electric heater (1), the one end of electric heater (1) is provided with wiring portion (3), wiring portion (3) are including high temperature resistant sealing ring (2) and wiring nest of tubes (14), high temperature resistant sealing ring (2) are connected its characterized in that with wiring nest of tubes (14): the utility model provides a wiring nest of tubes (14) is including outer shell (4) and interior casing, one side flange of outer shell (4) is connected with electric heater (1), be provided with wiring cardboard (5) in the interior casing in area cable hole, the cable downthehole cover of wiring cardboard (5) is equipped with wiring pipe fitting (6), be provided with insulating filler (7) between wiring pipe fitting (6), the both ends of high temperature resistant sealing ring (2) all are provided with binding post, and it is connected with the wiring on electric heater (1) and wiring cardboard (5), high temperature resistant sealing ring (2) stretch into the recess looks lock joint at outer shell (4) and wiring cardboard (5) edge, the opposite side of outer shell (4) is provided with junction box (8), be provided with corresponding control group (9) and early warning group (10) in junction box (8).
2. An electric heater explosion-proof wiring device as set forth in claim 1, wherein: the electric heater is characterized in that fixed ear plates (11) are arranged on two sides of the electric heater (1), and the fixed ear plates (11) are connected with an external fixed assembly through fasteners.
3. An electric heater explosion-proof wiring device as set forth in claim 1, wherein: a positioning block (12) is arranged between the outer pipe shell (4) and the inner shell, and the positioning block (12) is connected with the wiring clamping plate (5) through a fastener.
4. An electric heater explosion-proof wiring device as set forth in claim 1, wherein: the wiring pipe fitting (6) and the high-temperature-resistant sealing ring (2) are both in a modularized design.
5. An electric heater explosion-proof wiring device as set forth in claim 1, wherein: the electric heater is characterized in that supporting seats (13) are arranged at two ends of the electric heater (1), and the supporting seats (13) are sleeved with the electric heater (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223428553.6U CN218972916U (en) | 2022-12-21 | 2022-12-21 | Explosion-proof wiring device of electric heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223428553.6U CN218972916U (en) | 2022-12-21 | 2022-12-21 | Explosion-proof wiring device of electric heater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218972916U true CN218972916U (en) | 2023-05-05 |
Family
ID=86166774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223428553.6U Active CN218972916U (en) | 2022-12-21 | 2022-12-21 | Explosion-proof wiring device of electric heater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218972916U (en) |
-
2022
- 2022-12-21 CN CN202223428553.6U patent/CN218972916U/en active Active
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