CN202759606U - Mounting and sealing structure for electric heating tube - Google Patents
Mounting and sealing structure for electric heating tube Download PDFInfo
- Publication number
- CN202759606U CN202759606U CN 201220117075 CN201220117075U CN202759606U CN 202759606 U CN202759606 U CN 202759606U CN 201220117075 CN201220117075 CN 201220117075 CN 201220117075 U CN201220117075 U CN 201220117075U CN 202759606 U CN202759606 U CN 202759606U
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- CN
- China
- Prior art keywords
- porcelain
- ring
- electrothermal tube
- nut
- electric heating
- 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.)
- Expired - Lifetime
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Abstract
The utility model provides a mounting and sealing structure for an electric heating tube, belonging to the field of electric heating appliances and aiming to overcome the defects of the prior art. The mounting and sealing structure has a simple structure and allows convenient mounting of an electric heating tube and tight insulating and sealing of a terminal, which has a relatively short structure and does not occupy large space when used. A porcelain retainer ring and a porcelain cap are arranged on a terminal screw of the electric heating tube. The porcelain retainer ring blocks installation holes from two ends of the electric heating tube, so that the electric heating tube is mounted. The porcelain retainer ring and the porcelain cap are provided with recessed cavities, nut-shaped cavities, porcelain-cap screwholes, cavities, cross grooves and clamping-nut cavities, which are used to seal terminal screws, terminal nuts, gaskets, power lines and clamping nuts, thereby achieving good effects of insulating and sealing the terminal of the electric heating tube.
Description
Technical field
The utility model is a kind of installation and hermetically-sealed construction of electrothermal tube, belongs to the electric heating appliance field.
Background technology
Existing electrothermal tube with terminal screw, special clamping, secure mounting arrangements generally need to be provided during installation, exist baroque defective, also have, its terminals exist the defective that insulated enclosure is not tight and hermetically-sealed construction is comparatively complicated, and it is long that terminals also exist structure, and wider defective takes up room during installation.
Summary of the invention
The purpose of this utility model is to overcome the prior art defective, invent a kind of simple in structure, that electrothermal tube can conveniently be installed, the terminals insulated enclosure is tight, and terminal structure is shorter, installation and the hermetically-sealed construction of the little electrothermal tube that takes up room during use.
The utility model is at the electrothermal tube terminal screw porcelain back-up ring and porcelain block to be set, the porcelain back-up ring blocks installing hole from the electrothermal tube two ends, thereby installation electrothermal tube, be provided with cavity, nut shape chamber, porcelain block screw, cavity, cruciform groove, binding nut chamber on porcelain back-up ring and the porcelain block, be used for sealed wiring screw, wiring nut, packing ring, power line, binding nut, thereby reach the good result of electrothermal tube terminals insulated enclosure.
The utility model is to finish by following scheme:A kind of installation of electrothermal tube and hermetically-sealed construction, by electrothermal tube (1), terminal screw (2), porcelain back-up ring (3), porcelain block (4), wiring nut A(5), packing ring A(6), power line (7), cavity (8), nut shape chamber (9), porcelain block screw (10), cavity (11), cruciform groove (12), box plate (13), angle bar plate (14), wiring nut B(15), packing ring B(16), angle bar plate bolt (17), installing hole (18), binding nut chamber (19), step (20), binding nut (21), form, the terminal screw (2) that it is characterized in that electrothermal tube (1) is provided with diameter greater than the porcelain back-up ring (3) of electrothermal tube (1) diameter, electrothermal tube (1) passes the installing hole (18) of box plate (13) or the installing hole (18) of angle bar plate (14), is blocked from two by porcelain back-up ring (3); Porcelain back-up ring (3) is provided with and wiring nut A(5) nut shape chamber (9) that overall dimension matches, wiring nut A(5 is arranged) in the nut shape chamber (9); Porcelain back-up ring (3) is provided with and holds packing ring A(6) and the cavity (8) of power line (7), cavity is provided with packing ring A(6 in (8)) and power line (7), porcelain back-up ring (3) is provided with the cruciform groove (12) for extracting power supply cord (7); Terminal screw (2) is provided with porcelain block (4), porcelain block (4) is provided with porcelain block screw (10) and is installed on terminal screw (2) end by porcelain block screw (10), porcelain block (4) is provided with cavity (11), accommodates wiring nut B(15 in the cavity (11)) and packing ring B(16).
A kind of installation of electrothermal tube and hermetically-sealed construction is characterized in that porcelain back-up ring (3) is provided with step (20).
A kind of installation of electrothermal tube and hermetically-sealed construction is characterized in that porcelain back-up ring (3) is provided with binding nut chamber (19).
The utility model is that the terminal screw at electrothermal tube arranges diameter greater than the porcelain back-up ring of electrothermal tube diameter, when installing, passes electrothermal tube the hole such as the hole of two offside box plates of electrocaloric effect or angle bar plate with holes, two is loaded on the porcelain back-up ring, because the porcelain back-up ring is provided with the nut shape chamber of matching with the wiring nut, the wiring nut can together be threaded to the electrothermal tube termination together with the porcelain back-up ring, finishes installation thereby block electrothermal tube from two ends; Also be provided with cavity on the porcelain back-up ring, accommodate packing ring and power line in the cavity, also be provided with on the porcelain back-up ring for the cross groove of extracting power supply cord from different directions, like this, the porcelain back-up ring is actual to have held a wiring nut, packing ring and power line, then, power line is compressed by second packing ring and second wiring nut; The termination of terminal screw is provided with the porcelain block, the porcelain block is provided with the cavity that can hold second wiring nut and second packing ring, the porcelain block also is provided with porcelain block screw, when the porcelain block screws in by porcelain block screw, just can cover second each and every one wiring nut and second packing ring, so, porcelain back-up ring and porcelain block can seal up the whole metal partss on the terminal screw, because said structure is very compact, so that the electrothermal tube terminals are unlikely long, can not take too much space during use, and insulation property are very remarkable; Porcelain back-up ring of the present utility model also can arrange step, at this moment, the installing hole of box plate and angle bar plate is matched with the step place of porcelain back-up ring, the middle part of porcelain back-up ring namely, a nearly step has been improved the insulation safety performance, also can shorten the length of electrothermal tube terminals a nearly step, shortens installing space, the porcelain back-up ring of step is set, also is specially adapted to the electrothermal tube (such as quartz heating tube) that existing termination has banquette; Porcelain back-up ring of the present utility model also can be provided with the binding nut chamber, is used for holding the binding nut of electrothermal tube terminal screw, because terminal screw can become flexible after the dismounting of the binding nut of the terminal screw of some heat-generating pipe (such as quartz heating tube), thus the impact assembling.
The beneficial effects of the utility model are, provide a kind of simple in structure, that electrothermal tube can conveniently be installed, electrothermal tube terminals insulated enclosure is tight, and terminal structure is shorter, installation and the hermetically-sealed construction of little electrothermal tube take up room during use, be particularly suitable for electrothermal tube and be installed between two box plates such as electrocaloric effect, also can be installed between two angle bar plates with holes, be installed on other occasion by the angle bar plate bolt again.
Description of drawings
Be illustrated below in conjunction with accompanying drawing, but the utility model protection range is not limited to embodiment.
Fig. 1 is the installation of the utility model electrothermal tube and the structure chart of hermetically-sealed construction.
Fig. 2 is the schematic diagram with the electrothermal tube of terminal screw.
Fig. 3 is the front view of the porcelain back-up ring of the installation of the utility model electrothermal tube and hermetically-sealed construction.
Fig. 4 is the end view of the porcelain back-up ring of the installation of the utility model electrothermal tube and hermetically-sealed construction.
Fig. 5 is the front view of the porcelain block of the installation of the utility model electrothermal tube and hermetically-sealed construction.
Fig. 6 is the end view of the porcelain block of the installation of the utility model electrothermal tube and hermetically-sealed construction.
Fig. 7 is the installation of the utility model electrothermal tube and the view that hermetically-sealed construction is installed on the angle bar plate.
Fig. 8 is the front view with the porcelain back-up ring of step and nut cavity of the installation of the utility model electrothermal tube and hermetically-sealed construction.
Fig. 9 is the end view with the porcelain back-up ring of step and nut cavity of the installation of the utility model electrothermal tube and hermetically-sealed construction.
Figure 10 is the scheme of installation of the porcelain back-up ring with the level of the installation of the utility model electrothermal tube and hermetically-sealed construction.
Figure 11 is that the installation of the utility model electrothermal tube and the porcelain back-up ring with step and nut cavity of hermetically-sealed construction are installed on the schematic diagram that the termination has the electrothermal tube of banquette.
Among the figure: 1, electrothermal tube, 2, terminal screw, 3, the porcelain back-up ring, 4, the porcelain block, 5, wiring nut A, 6, packing ring A, 7, power line, 8, cavity, 9, nut shape chamber, 10, porcelain block screw, 11, cavity, 12, cross groove, 13, box plate, 14, the angle bar plate, 15, wiring nut B, 16, packing ring B, 17, angle bar plate bolt, 18, installing hole, 19, the binding nut chamber, 20, step, 21, binding nut, 22, banquette.
Embodiment:
The utility model is mainly by electrothermal tube 1, terminal screw 2, porcelain back-up ring 3, porcelain block 4, wiring nut A5, packing ring A6, power line 7, cavity 8, nut shape chamber 9, porcelain block screw 10, cavity 11, cross groove 12, box plate 13, angle bar plate 14, wiring nut B15, packing ring B16, angle bar plate bolt 17, installing hole 18 forms, diameter is set greater than the porcelain back-up ring 3 of electrothermal tube 1 on the terminal screw 2 of electrothermal tube 1, electrothermal tube 1 passes the installing hole 18 isometrical with electrothermal tube 1 when installing, such as the installing hole 18 of two offside box plates 13 of electrocaloric effect or the installing hole 18 of angle bar plate 14, two is loaded on porcelain back-up ring 3, because porcelain back-up ring 3 is provided with the nut shape chamber 9 that cooperates with wiring nut A5, wiring nut 5A can together be threaded to the termination of electrothermal tube 1 together with porcelain back-up ring 3, thereby block electrothermal tube 1 from two ends and finish installation, also be provided with the cavity 8 that holds packing ring A6 and power line 7 on the porcelain back-up ring 3, be provided with the cross groove 12 of extracting power supply cord 7, like this, the actual wiring nut A5 that held on the porcelain back-up ring 3, packing ring A6 and power line 7, cross groove 12 is used for from different directions extracting power supply cord 7, another wiring nut B15 and packing ring B16 are used for compressing power line 7, the termination of terminal screw 2 is provided with porcelain block 4, porcelain block 4 is provided with the cavity 11 that holds wiring nut B15 and packing ring B16, porcelain block 4 also is provided with porcelain block screw 10, when porcelain block 4 screws in by porcelain block screw 11, just can cover wiring nut B15 and packing ring B16 on the terminal screw 2, thereby the whole metal partss on the terminal screw 2 are sealed up, because said structure is very compact, so that electrothermal tube 1 terminals are unlikely long, can not take too much space during installation, when electrothermal tube 1 is installed on angle bar plate 14, angle bar plate 14 is fixing by angle bar plate bolt 15, makes electrothermal tube can be installed on any place.
Porcelain back-up ring 3 of the present utility model also can arrange step 20, at this moment, the installing hole 18 of box plate 13 and angle bar plate 14 is matched with step 20 places of porcelain back-up ring 3, the middle part of porcelain back-up ring 3 namely, a nearly step has been improved the insulation safety performance, also can shorten the length of electrothermal tube terminals a nearly step, shortens installing space, the porcelain back-up ring 3 of step 20 is set, also is specially adapted to the electrothermal tube (such as quartz heating tube) that existing termination has banquette 22; Porcelain back-up ring 3 of the present utility model also can be provided with binding nut chamber 19, be used for holding the binding nut 21 of electrothermal tube 1 terminal screw 2, because terminal screw 2 can be loosening after 21 dismountings of the binding nut of the terminal screw 2 of some heat-generating pipe (such as quartz heating tube), thereby impact assembling.
Claims (3)
1. the installation of an electrothermal tube and hermetically-sealed construction, by electrothermal tube (1), terminal screw (2), porcelain back-up ring (3), porcelain block (4), wiring nut A(5), packing ring A(6), power line (7), cavity (8), nut shape chamber (9), porcelain block screw (10), cavity (11), cruciform groove (12), box plate (13), angle bar plate (14), wiring nut B(15), packing ring B(16), angle bar plate bolt (17), installing hole (18), binding nut chamber (19), step (20), binding nut (21), form, the terminal screw (2) that it is characterized in that electrothermal tube (1) is provided with diameter greater than the porcelain back-up ring (3) of electrothermal tube (1) diameter, electrothermal tube (1) passes the installing hole (18) of box plate (13) or the installing hole (18) of angle bar plate (14), is blocked from two by porcelain back-up ring (3); Porcelain back-up ring (3) is provided with and wiring nut A(5) nut shape chamber (9) that overall dimension matches, wiring nut A(5 is arranged) in the nut shape chamber (9); Porcelain back-up ring (3) is provided with and holds packing ring A(6) and the cavity (8) of power line (7), cavity is provided with packing ring A(6 in (8)) and power line (7), porcelain back-up ring (3) is provided with the cruciform groove (12) for extracting power supply cord (7); Terminal screw (2) is provided with porcelain block (4), porcelain block (4) is provided with porcelain block screw (10) and is installed on terminal screw (2) end by porcelain block screw (10), porcelain block (4) is provided with cavity (11), accommodates wiring nut B(15 in the cavity (11)) and packing ring B(16).
2. the installation of a kind of electrothermal tube according to claim 1 and hermetically-sealed construction is characterized in that porcelain back-up ring (3) is provided with step (20).
3. the installation of a kind of electrothermal tube according to claim 1 and hermetically-sealed construction is characterized in that porcelain back-up ring (3) is provided with binding nut chamber (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220117075 CN202759606U (en) | 2012-03-26 | 2012-03-26 | Mounting and sealing structure for electric heating tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220117075 CN202759606U (en) | 2012-03-26 | 2012-03-26 | Mounting and sealing structure for electric heating tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202759606U true CN202759606U (en) | 2013-02-27 |
Family
ID=47738763
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220117075 Expired - Lifetime CN202759606U (en) | 2012-03-26 | 2012-03-26 | Mounting and sealing structure for electric heating tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202759606U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102612183A (en) * | 2012-03-26 | 2012-07-25 | 李昆生 | Installation and seal structure of electric heating tube |
-
2012
- 2012-03-26 CN CN 201220117075 patent/CN202759606U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102612183A (en) * | 2012-03-26 | 2012-07-25 | 李昆生 | Installation and seal structure of electric heating tube |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130227 Effective date of abandoning: 20131211 |
|
| RGAV | Abandon patent right to avoid regrant |