CN214899343U - Distribution box - Google Patents
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- CN214899343U CN214899343U CN202120757905.9U CN202120757905U CN214899343U CN 214899343 U CN214899343 U CN 214899343U CN 202120757905 U CN202120757905 U CN 202120757905U CN 214899343 U CN214899343 U CN 214899343U
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- box
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Abstract
The utility model provides a distribution box, which comprises a box body and a box cover which are integrally formed by stretching, wherein a sealing gasket is arranged at the edges of the box body and the box cover; the box body is connected with one side of the box cover through a damping hinge, and the other side of the box body is connected with the other side of the box cover through an anti-theft lock and a hasp lock; a distribution board is arranged in the box body, and a metering distribution circuit or a distribution control circuit is arranged on the distribution board; an outward-protruding installation part is arranged on the bottom plate of the box body, and an expansion fastener with a fixed end positioned in the box body is arranged on the installation part; a waterproof plugging structure is arranged between the expansion fastener and the mounting part; the situation that the existing distribution box body distribution board cannot be replaced when fixed in a box body, so that box body structural specifications generated by different types of distribution boxes are multiple, sizes are not uniform, and adaptation ranges are small is improved.
Description
Technical Field
The utility model relates to a block terminal technical field, concretely relates to block terminal.
Background
In railway traffic and urban rail traffic construction, the distribution box is used as a tunnel lighting center, an internal power supply control center and a comprehensive control center, and has large demand; when some block terminals are installed, mainly through auricle and crab-bolt fixed connection on the block terminal, thereby let the block terminal hanging install on the tunnel wall, and install the distribution demand that adapts to the current electric element who uses the scene in order to realize different functions in the box, it is two kinds to divide into total distribution and distribution electricity generally in the aspect of the distribution, adopt the box structure and the panel of different specification and dimension to install corresponding electric element usually among the prior art, wherein, the panel is fixed and can't be replaced after the box, thereby it is more to cause the box structure specification of block terminal, the size is not unified and the less condition of adaptation scope.
SUMMERY OF THE UTILITY MODEL
Not enough to exist among the prior art, the utility model provides a distribution box has solved current distribution box body panel and has fixed and can't replace in the box, leads to the box structural specification that different grade type block terminal produced many, the size is unified and the adaptation scope is little problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a distribution box, its characterized in that: the box body and the box cover are integrally formed in a stretching mode, and sealing gaskets are arranged at the edges of the box body and the box cover; the box body is connected with one side of the box cover through a damping hinge, and the other side of the box body is connected with the other side of the box cover through an anti-theft lock and a hasp lock; a distribution board is arranged in the box body, and a metering distribution circuit or a distribution control circuit is arranged on the distribution board; an outward-protruding installation part is arranged on the bottom plate of the box body, and an expansion fastener with a fixed end located in the box body is installed on the installation part; the expansion fastener with be equipped with waterproof block structure between the installation department.
Preferably, the metering distribution circuit comprises a power supply inlet line bank, a first air switch, a lightning protection module, a second air switch, a three-phase electric meter and a third air switch which are electrically connected;
the first air switch, the lightning protection module and the second air switch are installed on the distribution board through a first guide rail;
the three-phase electric meter is arranged on the distribution board and is positioned at the tail end of the first guide rail;
the power supply inlet line is arranged on the distribution board and is positioned below the first guide rail;
the third air switch is mounted on the distribution board through a second guide rail;
the output end of the three-phase electric meter is connected with a DTU distribution network module;
and the distribution board is also provided with a power adapter which is connected with the three-phase electric meter and the DTU distribution network module.
Preferably, the distribution board is provided with a grounding copper bar and a zero line copper bar, and the grounding copper bar is attached to the distribution board;
an insulator is arranged between the zero line copper bar and the distribution board;
the zero line copper bar is electrically connected with the first air switch;
the ground copper bar is electrically connected with the power adapter and the lightning protection module.
Preferably, the distribution control circuit comprises a power supply inlet line bank, a first air switch, a lightning protection module, a second air switch and a third air switch which are electrically connected;
the first air switch, the lightning protection module and the second air switch are installed on the distribution board through a first guide rail;
the two power supply inlet lines are arranged on the distribution board in parallel and are positioned below the first guide rail;
the third air switch is mounted on the electrical distribution panel by a second rail.
Preferably, the distance between the power supply inlet line row and the third air switch and the inlet and outlet line joint on the box body is greater than or equal to 240 mm.
Preferably, the waterproof plugging module comprises a sealing element clamped on the mounting part;
an inner positioning plate for pressing the sealing element is arranged on the expansion fastening piece in the box body;
an outer positioning plate used for pressing the sealing element is arranged on the expansion fastening piece and positioned outside the box body;
and the expansion fastener is also provided with a sealing assembly for sealing the outer positioning plate.
Preferably, the sealing element comprises an inner sealing layer and an outer sealing layer fixedly connected to the inner sealing layer, a limiting groove is formed at the joint of the outer sealing layer and the inner sealing layer, and the limiting groove is clamped with the mounting part;
the sealing element is provided with a waist-shaped mounting hole.
Preferably, four corners of the bottom of the box body are provided with inward bulges and used for installing the supporting bosses of the distribution board, and locking pieces for fixing the distribution board are arranged on the supporting bosses.
Preferably, a sealing ring is further arranged between the supporting boss and the locking piece, and a sealing groove clamped with the supporting boss is formed in the circumferential surface of the sealing ring.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the box body and the box cover which are integrally formed in a stretching mode are connected through the damping hinge, and after the box body and the box cover are connected through the anti-theft lock and the hasp lock, the box cover can rotate relative to the box body, and the box body and the box cover can be reliably sealed through the sealing gasket in a locking state, so that moisture-proof protection is achieved for internal electrical elements;
2. after the box body is fixedly installed through the expansion fastener extending into the box body, the box body can be kept to be installed close to the wall, and the anti-theft effect of the whole distribution box is achieved;
3. the distribution board can be detached in the box body, when the metering distribution circuit or the distribution control circuit is adapted, only the corresponding distribution board needs to be replaced and the adaptive electrical elements need to be assembled correspondingly, and the improved distribution board is transversely provided with the electrical elements, so that the metering distribution circuit and the distribution control circuit can be adapted in the box body with the same size and structure; the distribution boxes in the same scene can have the same specification, size and the like.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of an installation arrangement for a metering distribution circuit;
FIG. 3 is a schematic view of the mounting arrangement of the dispensing control circuit;
FIG. 4 is a schematic cross-sectional view of a waterproof plugging structure;
FIG. 5 is a schematic view of the seal configuration;
in the figure, a box body 1, a box cover 2, a sealing gasket 3, a damping hinge 4, an anti-theft lock 5, a hasp lock 6, a distribution board 7, a metering distribution circuit 8, a distribution control circuit 9, a mounting part 10, an expansion fastener 11, a waterproof plugging structure 12, a sealing element 121, an inner sealing layer 1211, an outer sealing layer 1212, a limiting groove 1213, a waist-shaped mounting hole 1214, an inner positioning plate 122, an outer positioning plate 123, a sealing component 124, a power supply inlet line row 13, a first air switch 14, a lightning protection module 15, a second air switch 16, a three-phase electric meter 17, a third air switch 18, a DTU distribution network module 19, a power adapter 20, a grounding copper bar 21, a neutral copper bar 22, an insulator 23, a supporting boss 24, a locking element 25 and a sealing ring 26 are arranged.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
As shown in fig. 1, an embodiment of the present invention provides a distribution box, which includes a box body and a box cover that are integrally stretch-formed, and a sealing pad is installed at the edge of the box body and the box cover; meanwhile, one side of the box body and one side of the box cover are connected through a damping hinge, the other side of the box body and the other side of the box cover are connected through an anti-theft lock and a hasp, so that the box cover can rotate relative to the box body, and in the locking process, the box cover is locked through the anti-theft lock and the hasp, so that a gap between the box body and the box cover is reliably sealed through the sealing gasket, and good moisture-proof protection can be achieved for the inside; the box body is also provided with a plurality of PG cable joints for entering and exiting cables and sealing the cables, and the positions of the box cover and the box body which are connected through screws are respectively provided with a sealing ring for coating and sealing the screws, so that the good sealing effect of the whole box body after being locked can be ensured; in order to adapt to reasonable installation of the electric elements of total power distribution and distributed power, a distribution board is installed in the box body, and a metering distribution circuit or a distribution control circuit is arranged on the distribution board, wherein the installation mode of the distribution board is detachable, and the distribution board enables the transverse length to be larger than the longitudinal length during installation, so that the electric elements can be reasonably distributed and installed on the upper half part of the distribution board, and the assembly and the matching of different electric elements can be met on the distribution board with the same size. Meanwhile, in order to fasten the box body in the box body to realize the integral anti-theft effect, an installation part which protrudes outwards is arranged on a bottom plate of the box body, an expansion fastener of which the fixed end is positioned in the box body is arranged on the installation part, and a waterproof plugging structure is arranged between the expansion fastener and the installation part; because the fastening end of inflation fastener is located the box, then can't dismantle the box outside the box, further improve its theftproof effect.
The electric elements capable of adapting to the total distribution or distribution of electricity are installed by replacing the distribution board in a box body with the same specification and size.
As shown in fig. 2, when the electrical component adapted to the main power distribution is installed, a metering power distribution circuit is disposed on the power distribution board, and the metering power distribution circuit includes an electrically connected power inlet line, and a first air switch, a lightning protection module, a second air switch, a three-phase electric meter and a third air switch are all fixedly mounted on the power distribution board; the first air switch, the lightning protection module and the second air switch are arranged on the distribution board through the first guide rail, so that the quick disassembly and the quick assembly are facilitated; the three-phase electric meter is arranged on the distribution board and positioned at the tail end of the first guide rail, the power supply incoming line row is arranged on the distribution board and positioned below the first guide rail, and the third air switch is arranged on the distribution board through the second guide rail, wherein the first air switch is 4P, and the second air switch and the third air switch are both 3P; the output end of the three-phase electric meter is connected with a DTU distribution network module, so that the measurement data of the three-phase electric meter can be transmitted to the system through the DTU distribution network module; the distribution board is also provided with a power adapter which is connected with the three-phase electric meter and the DTU distribution network module; the input cable passes behind the PG cable joint and connects on the power incoming line row back and be connected to first air switch, second air switch, three-phase ammeter, power adapter respectively, and the cable through the three-phase ammeter draws back to outside through third air switch to let the three-phase ammeter measure the electric current of process, in order to realize measuring the kilowatt-hour of using electricity to different circuits.
Meanwhile, in order to ensure the normal use of the electric element, a grounding copper bar and a zero line copper bar are arranged on the distribution board, and the grounding copper bar is attached to the distribution board to form good grounding, so that a grounding signal can be conveniently led out through the box body; an insulator is arranged between the zero line copper bar and the distribution board, so that the zero line copper bar is electrically connected with the first air switch; wherein, the ground copper bar is connected with components and parts such as lightning protection module, three-phase ammeter.
As shown in fig. 3, when the electrical components in the distribution board are installed, a distribution control circuit is provided on the distribution board, and the distribution control circuit includes a power inlet line, a first air switch, a lightning protection module, a second air switch and a third air switch which are electrically connected; the first air switch, the lightning protection module and the second air switch are installed on the distribution board through a first guide rail; two power supply inlet lines are arranged on the distribution board in parallel and are positioned below the first guide rail, and a third air switch is arranged on the distribution board through a second guide rail; and a grounding copper bar and a zero line copper bar are also arranged on the distribution board, wherein the grounding copper bar is connected with the lightning protection module, and the zero line copper bar is connected with the first air switch, so that a storage function is formed in the box body, and the subsequent expansion is facilitated.
It should be noted that the electrical components selected in the main distribution box and the distribution box are all the same type, and there is a difference only in the installation number and the circuit wiring, so that the size and specification of the distribution board can be further made the same.
Through to box structural improvement and combine the panel to electric elements's rational arrangement, let power incoming line arrange, third air switch with the business turn over line joint interval distance of box is more than or equal to 240mm to satisfy electric elements line distance and satisfy creepage distance requirement, and can hold whole electric elements under the same volume.
After the expansion fastener is installed on the installation part, waterproof sealing needs to be carried out between the expansion fastener and the installation part through a waterproof plugging module, as shown in fig. 4 and 5, the waterproof plugging module comprises a sealing element clamped on the installation part, an inner positioning plate used for pressing the sealing element is arranged on the expansion fastener and positioned inside the box body, and an outer positioning plate used for pressing the sealing element is arranged on the expansion fastener and positioned outside the box body; a sealing assembly for sealing the outer positioning plate is also arranged on the expansion fastener; when the sealing device is locked, the sealing element is pressed tightly through the inner positioning plate and the outer positioning plate to press and seal the expansion fastening piece, and a gap between the outer positioning plate and the expansion fastening piece is sealed through the sealing assembly, so that the whole connecting position forms a reliable sealing effect.
The sealing element comprises an inner sealing layer and an outer sealing layer fixedly connected to the inner sealing layer, a limiting groove is formed in the joint of the outer sealing layer and the inner sealing layer, and the limiting groove is clamped with the mounting part to form sealing for the edge of the opening; and the waist-shaped mounting hole is formed in the sealing element, so that the expansion fastening piece can move relatively to adjust within a certain range, and the verticality of the distribution box after installation is ensured.
In order to mount the distribution board and facilitate the disassembly or the assembly in the box body, inward bulges are arranged at four corners of the bottom of the box body and used for mounting the support bosses of the distribution board, and locking pieces for fixing the distribution board are arranged on the support bosses; meanwhile, a sealing ring is further arranged between the supporting boss and the locking piece, a sealing groove clamped with the supporting boss is formed in the circumferential surface of the sealing ring, and reliable sealing is formed on the connecting position through the sealing ring when the distribution board is locked.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.
Claims (9)
1. A distribution box, its characterized in that: the box body and the box cover are integrally formed in a stretching mode, and sealing gaskets are arranged at the edges of the box body and the box cover;
the box body is connected with one side of the box cover through a damping hinge, and the other side of the box body is connected with the other side of the box cover through an anti-theft lock and a hasp lock;
a distribution board is arranged in the box body, and a metering distribution circuit or a distribution control circuit is arranged on the distribution board;
an outward-protruding installation part is arranged on the bottom plate of the box body, and an expansion fastener with a fixed end located in the box body is installed on the installation part;
the expansion fastener with be equipped with waterproof block structure between the installation department.
2. The electrical box of claim 1, wherein: the metering distribution circuit comprises a power supply inlet line bank, a first air switch, a lightning protection module, a second air switch, a three-phase ammeter and a third air switch which are electrically connected;
the first air switch, the lightning protection module and the second air switch are installed on the distribution board through a first guide rail;
the three-phase electric meter is arranged on the distribution board and is positioned at the tail end of the first guide rail;
the power supply inlet line is arranged on the distribution board and is positioned below the first guide rail;
the third air switch is mounted on the distribution board through a second guide rail;
the output end of the three-phase electric meter is connected with a DTU distribution network module;
and the distribution board is also provided with a power adapter which is connected with the three-phase electric meter and the DTU distribution network module.
3. The electrical box of claim 2, wherein: the distribution board is provided with a grounding copper bar and a zero line copper bar, and the grounding copper bar is attached to the distribution board;
an insulator is arranged between the zero line copper bar and the distribution board;
the zero line copper bar is electrically connected with the first air switch;
the ground copper bar is electrically connected with the power adapter and the lightning protection module.
4. The electrical box of claim 1, wherein: the distribution control circuit comprises a power supply inlet line bar, a first air switch, a lightning protection module, a second air switch and a third air switch which are electrically connected;
the first air switch, the lightning protection module and the second air switch are installed on the distribution board through a first guide rail;
the two power supply inlet lines are arranged on the distribution board in parallel and are positioned below the first guide rail;
the third air switch is mounted on the electrical distribution panel by a second rail.
5. An electrical box according to claim 2 or 4, wherein: the distance between the power supply inlet wire row and the third air switch and the inlet and outlet wire connector on the box body is more than or equal to 240 mm.
6. An electrical box according to claim 1 or 2 or 3 or 4, wherein: the waterproof plugging module comprises a sealing element clamped on the mounting part;
an inner positioning plate for pressing the sealing element is arranged on the expansion fastening piece in the box body;
an outer positioning plate used for pressing the sealing element is arranged on the expansion fastening piece and positioned outside the box body;
and the expansion fastener is also provided with a sealing assembly for sealing the outer positioning plate.
7. The electrical box of claim 6, wherein: the sealing element comprises an inner sealing layer and an outer sealing layer fixedly connected to the inner sealing layer, a limiting groove is formed in the joint of the outer sealing layer and the inner sealing layer, and the limiting groove is clamped with the mounting part;
the sealing element is provided with a waist-shaped mounting hole.
8. The electrical box of claim 6, wherein: four corners of bottom half all are equipped with inside arch and are used for the installation the distribution panel supports the boss, is equipped with on this support boss and fixes the retaining member of distribution panel.
9. The electrical box of claim 8, wherein: the support boss with still be equipped with the sealing washer between the retaining member, the periphery of sealing washer seted up with the seal groove of support boss block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120757905.9U CN214899343U (en) | 2021-04-14 | 2021-04-14 | Distribution box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120757905.9U CN214899343U (en) | 2021-04-14 | 2021-04-14 | Distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214899343U true CN214899343U (en) | 2021-11-26 |
Family
ID=78949715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120757905.9U Active CN214899343U (en) | 2021-04-14 | 2021-04-14 | Distribution box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214899343U (en) |
-
2021
- 2021-04-14 CN CN202120757905.9U patent/CN214899343U/en active Active
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