CN201639223U - Explosion-proof electric heating cable power supply junction box - Google Patents
Explosion-proof electric heating cable power supply junction box Download PDFInfo
- Publication number
- CN201639223U CN201639223U CN2010201312417U CN201020131241U CN201639223U CN 201639223 U CN201639223 U CN 201639223U CN 2010201312417 U CN2010201312417 U CN 2010201312417U CN 201020131241 U CN201020131241 U CN 201020131241U CN 201639223 U CN201639223 U CN 201639223U
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- Prior art keywords
- box
- electric heating
- heating cable
- gland
- explosion
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- Expired - Fee Related
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Abstract
The utility model discloses an explosion-proof electric heating cable power supply junction box, which aims to be capable of realizing positioning of a press cover and an electric heating cable input tube, and convenient to use. The junction box comprises a junction box body and a nonmetal T-shaped support; the junction box body consists of a box bottom and a box cover connected through fastening screws; a bridge type support is installed inside the box bottom; a wiring terminal is installed on the bridge type support; the non-metal T-shaped support comprises a support, an electric heating cable input tube, and a press cover with an Edison screw at the upper end; an annular locking groove is arranged on the electric heating cable input tube; a circular lock head on a locking arm penetrates through the press cover to be matched with and tightly locked with the annular locking groove; a conical seal plug is installed between the press cover and the electric heating cable input tube; a positioning slider is arranged on the electric heating cable input tube; and a chute matching with the positioning slider is arranged on the press cover. The positioning slider and the chute which match with each other realize positioning of the press cover and the electric heating cable input tube, prevent rotation between the press cover and the electric heating cable input tube, and enhance sealing performance.
Description
Technical field
The utility model relates to a kind of terminal box, in particular, relates to the charged source of a kind of explosion-proof electric terminal box.
Background technology
At present, between the gland of the nonmetal T shape support of ribbon heater electric source connecting box and the ribbon heater input pipe owing to there is not a corresponding location structure, in use, often drive the ribbon heater input pipe rotates owing to the bearing of nonmetal T shape support is stressed, thereby make the wiring that produces rotation between gland and the ribbon heater input pipe and drive terminal box inside, influence the fastness of terminal box back panel wiring, weakened the explosion-proof performance of box body.
On the other hand, holding screw is made up of nut and thread screw, and lid cooperates with screw rod, and when holding screw was backed out, easy and lid disengaging was fallen down, and brings inconvenience to installation.
The utility model content
The utility model is in order to overcome weak point of the prior art, a kind of location that can realize between gland and the ribbon heater input pipe to be provided, and uses safer, the charged source of explosion-proof electric terminal box easily.
The utility model is achieved through the following technical solutions:
The charged source of a kind of explosion-proof electric terminal box, comprise terminal box box body and nonmetal T shape support, described terminal box box body by box at the bottom of and lid be formed by connecting by holding screw, at the bottom of the described box and between the lid sealing ring is installed, be respectively arranged with threaded wire inlet-outlet on the two side at the bottom of the described box, it is stifled that each wire inlet-outlet internal thread is connected with sealing, between sidewall at the bottom of the described box and described sealing are stifled sealing ring is installed, lower sides at the bottom of the described box is provided with the import of threaded ribbon heater, inside is equipped with bridge support at the bottom of the described box, on the described bridge support live wire is installed, zero line, ground wire three pair of wire connection terminals; Described nonmetal T shape support comprises that bearing, ribbon heater input pipe, upper end have the gland of screw socket, described bearing and ribbon heater input pipe are integral structure, it is characterized in that, described gland both sides are respectively arranged with the engaging lug with the gland one, and each engaging lug is connected with locking arm with circular tapered end by connecting pin off-centre; Described ribbon heater input pipe is provided with belt locking slot, circular tapered end on the described locking arm passes gland and belt locking slot locks, between described gland and the ribbon heater input pipe cone seal plug is installed, it is with holes that cone seal is provided with electric heating beyond the Great Wall, the lower end of belt locking slot is provided with positioning sliding block on the input pipe of described ribbon heater, and described gland is provided with the chute that matches with described positioning sliding block; Screw socket on the described gland is threaded with ribbon heater import at the bottom of the described box and by seal washer and locknut sealing locking.
The end of each locking arm is provided with locking hole, links together after two locking holes are passed at locking wire two ends respectively.
Be provided with the collet that matches in the bearing of described nonmetal T shape support.
Described holding screw is made up of nut, polished rod and screw rod, and the diameter of polished rod is less than the diameter of screw rod, and the screw on the lid matches with polished rod, and the diameter difference between described polished rod and the screw rod is 0.8-1.2mm.
The utlity model has following technique effect:
1, in the terminal box of the charged source of explosion-proof electric of the present utility model, between gland and the ribbon heater input pipe positioning sliding block and the chute that matches is installed, in the location that can realize after the installation between gland and the ribbon heater input pipe, prevent to produce between gland and the ribbon heater input pipe relative rotation, strengthened the explosion-proof performance of sealing property and box body, used safer.
2, in the terminal box of the charged source of explosion-proof electric of the present utility model, holding screw is made up of nut, polished rod and screw rod, and the screw on the lid matches with polished rod, when holding screw is backed out, can not break away from lid and fall down, and uses more convenient.
Description of drawings
Fig. 1 is the schematic diagram of the charged source of the utility model explosion-proof electric terminal box;
Fig. 2 is the schematic diagram of the nonmetal T shape of the charged source of the utility model explosion-proof electric terminal box support;
Fig. 3 is the charged source of a utility model explosion-proof electric terminal box holding screw user mode schematic diagram.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in detail.
The schematic diagram of the charged source of the utility model explosion-proof electric terminal box as depicted in figs. 1 and 2, comprise terminal box box body and nonmetal T shape support 7, described terminal box box body by box at the bottom of 2 and lid 1 be formed by connecting by holding screw 10, at the bottom of the box 2 and lid 1 between sealing ring is installed.Be respectively arranged with threaded wire inlet-outlet 5 at the bottom of the box on 2 the two side, each wire inlet-outlet internal thread is connected with sealing and blocks up 6, between 2 sidewalls and the sealing stifled 6 sealing ring 11 is installed at the bottom of the box.2 lower sides is provided with the import of threaded ribbon heater at the bottom of the described box.2 inside are equipped with bridge support 4 at the bottom of the described box, and live wire, zero line, ground wire three pair of wire connection terminals 3 are installed on the bridge support 4.Described nonmetal T shape support 7 comprises that bearing 23, ribbon heater input pipe 22, upper end have the gland 19 of screw socket 14, described bearing 23 is an integral structure with ribbon heater input pipe 22, gland 19 both sides are respectively arranged with the engaging lug 18 with the gland one, and each engaging lug is connected with locking arm 16 with circular tapered end 17 by connecting pin off-centre.Described ribbon heater input pipe 22 is provided with the locking slot 21 that goes in ring, circular tapered end 17 on the locking arm 16 passes gland and belt locking slot 21 locks, between described gland 19 and the ribbon heater input pipe 22 cone seal plug 20 is installed, it is with holes that cone seal plug 20 is provided with electric heating, the lower end of belt locking slot is provided with positioning sliding block 12 on the input pipe of described ribbon heater, and gland 19 is provided with the chute 13 that matches with positioning sliding block 12.Screw socket 14 on the gland 19 is threaded with ribbon heater import at the bottom of the box and by seal washer 8 and locknut 9 sealing lockings.
In order to prevent the locking arm misoperation, the end of each locking arm is provided with locking hole 15, links together after two locking holes are passed at locking wire 25 two ends respectively.
In order to adapt to the fixedly needs in the small electrical torrid zone, be provided with the collet 24 that matches in the bearing 23 of nonmetal T shape support.
The charged source of the utility model explosion-proof electric terminal box holding screw user mode schematic diagram as shown in Figure 3, described holding screw 10 is made up of nut 26, polished rod 27 and screw rod 28, the diameter of polished rod is less than the diameter of screw rod, screw on the lid matches with polished rod, be that the screw external diameter is slightly larger than the polished rod external diameter, but be slightly less than the screw rod external diameter, diameter difference between general polished rod 27 and the screw rod 28 is 0.8-1.2mm, when ensureing that holding screw passes lid smoothly, can prevent that again screw from coming off easily, for construction facilitates.
It is safer, convenient that the charged source of explosion-proof electric of the present utility model terminal box is used, good sealing effect.
Claims (4)
1. the charged source of explosion-proof electric terminal box, comprise terminal box box body and nonmetal T shape support, described terminal box box body by box at the bottom of and lid be formed by connecting by holding screw, at the bottom of the described box and between the lid sealing ring is installed, be respectively arranged with threaded wire inlet-outlet on the two side at the bottom of the described box, it is stifled that each wire inlet-outlet internal thread is connected with sealing, between sidewall at the bottom of the described box and described sealing are stifled sealing ring is installed, lower sides at the bottom of the described box is provided with the import of threaded ribbon heater, inside is equipped with bridge support at the bottom of the described box, on the described bridge support live wire is installed, zero line, ground wire three pair of wire connection terminals; Described nonmetal T shape support comprises that bearing, ribbon heater input pipe, upper end have the gland of screw socket, described bearing and ribbon heater input pipe are integral structure, it is characterized in that, described gland both sides are respectively arranged with the engaging lug with the gland one, and each engaging lug is connected with locking arm with circular tapered end by connecting pin off-centre; Described ribbon heater input pipe is provided with belt locking slot, circular tapered end on the described locking arm passes gland and belt locking slot locks, between described gland and the ribbon heater input pipe cone seal plug is installed, it is with holes that cone seal is provided with electric heating beyond the Great Wall, the lower end of belt locking slot is provided with positioning sliding block on the input pipe of described ribbon heater, and described gland is provided with the chute that matches with described positioning sliding block; Screw socket on the described gland is threaded with ribbon heater import at the bottom of the described box and by seal washer and locknut sealing locking.
2. the charged source of explosion-proof electric according to claim 1 terminal box is characterized in that the end of each locking arm is provided with locking hole, links together after two locking holes are passed at locking wire two ends respectively.
3. the charged source of explosion-proof electric according to claim 1 terminal box is characterized in that, is provided with the collet that matches in the bearing of described nonmetal T shape support.
4. the charged source of explosion-proof electric according to claim 1 terminal box, it is characterized in that described holding screw is made up of nut, polished rod and screw rod, the diameter of polished rod is less than the diameter of screw rod, screw on the lid matches with polished rod, and the diameter difference between described polished rod and the screw rod is 0.8-1.2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201312417U CN201639223U (en) | 2010-03-16 | 2010-03-16 | Explosion-proof electric heating cable power supply junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201312417U CN201639223U (en) | 2010-03-16 | 2010-03-16 | Explosion-proof electric heating cable power supply junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201639223U true CN201639223U (en) | 2010-11-17 |
Family
ID=43083729
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010201312417U Expired - Fee Related CN201639223U (en) | 2010-03-16 | 2010-03-16 | Explosion-proof electric heating cable power supply junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201639223U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207898A (en) * | 2016-07-18 | 2016-12-07 | 泰州瑞侃电热电器有限公司 | Explosion-proof electrical source rosette |
| CN111283361A (en) * | 2020-03-31 | 2020-06-16 | 佰电科技(苏州)有限公司 | Assembly positioning fixture |
| CN112188653A (en) * | 2020-10-14 | 2021-01-05 | 安邦电气股份有限公司 | High-temperature electric tracing band |
-
2010
- 2010-03-16 CN CN2010201312417U patent/CN201639223U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207898A (en) * | 2016-07-18 | 2016-12-07 | 泰州瑞侃电热电器有限公司 | Explosion-proof electrical source rosette |
| CN106207898B (en) * | 2016-07-18 | 2017-10-24 | 泰州瑞侃电热电器有限公司 | Explosion-proof electrical source terminal box |
| CN111283361A (en) * | 2020-03-31 | 2020-06-16 | 佰电科技(苏州)有限公司 | Assembly positioning fixture |
| CN112188653A (en) * | 2020-10-14 | 2021-01-05 | 安邦电气股份有限公司 | High-temperature electric tracing band |
| CN112188653B (en) * | 2020-10-14 | 2022-10-11 | 安邦电气股份有限公司 | High-temperature electric tracing band |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20150316 |
|
| EXPY | Termination of patent right or utility model |