Bridging structure and distribution box
Technical Field
The utility model relates to the technical field of distribution boxes, in particular to a bridging structure and a distribution box.
Background
The distribution box is a power box which is used for reasonably distributing electric energy, is convenient for opening and closing a circuit, has higher safety protection level and can visually display the on state of the circuit, and the distribution box is a low-voltage distribution box which is formed by assembling switch equipment, a measuring instrument, protection electric appliances and auxiliary equipment in a closed or semi-closed cabinet body or on a screen according to the wiring requirement of the electric appliances. The circuit can be switched on or off by a manual switch or an automatic switch in normal operation, and the circuit can be switched off or alarmed by a protective electric appliance in case of failure or abnormal operation. Various parameters in operation can be displayed by means of the measuring instrument, and certain parameters can be adjusted to prompt or signal deviation from a normal working state.
The existing distribution box comprises a shell, a panel and a host computer arranged in the shell, wherein the host computer generally comprises a total power-off protector and a plurality of breaking power-off protectors, the number of the breaking power-off protectors is divided with the power consumption requirement of a power consumption unit, the total power-off protector and the breaking power-off protector are connected through a ground wire tandem assembly and a zero wire tandem assembly, and the total power-off protector and the breaking power-off protector are electrically connected through wires.
When the same side of the total power-off protector and the breaking electric protector needs to be electrically connected, the wires are also connected through the wires, and when the wires are connected, the wires are required to be fixed by using screws.
Disclosure of utility model
The utility model aims to provide a bridging structure and a distribution box, which solve the problem of inconvenient installation and maintenance caused by messy wires connecting a total power-off protector and a breaking electric protector or connecting two adjacent breaking electric protectors, improve the connection effect between the total power-off protector and the breaking electric protector and between the two adjacent breaking electric protectors, avoid messy wire connection and improve the installation and maintenance efficiency of the distribution box.
In order to achieve the purpose, the bridging structure comprises an insulating shell base and an insulating shell cover, wherein the insulating shell cover is arranged on the insulating shell base to form a containing cavity, a conductor plug-in assembly is arranged in the containing cavity, a first plug-in assembly is arranged on one side of the conductor plug-in assembly, a second plug-in assembly is arranged on the other side of the conductor plug-in assembly, the first plug-in assembly is used for plug-in connection with other adjacent bridging structures, and the second plug-in assembly is used for plug-in connection with a power-off protector.
After the technical scheme is adopted, the utility model has the advantages that when the total power-off protector and the breaking electric protector on the same side are connected or two adjacent breaking electric protectors are connected, the first plug-in assembly is connected with the total power-off protector or a connecting structure on the total power-off protector when the total power-off protector and the breaking electric protector are connected, the second plug-in assembly is connected with the breaking electric protector, if the two breaking electric protectors connected at the middle part are connected, the first plug-in assembly is connected with the adjacent bridging structure, a plurality of breaking electric protectors are sequentially connected together, the conductor plug-in assembly, the first plug-in assembly and the second plug-in assembly connected with the breaking electric protectors are wrapped by the insulating shell base and the insulating shell cover, mess caused by connection of wires is avoided, in the process of electrifying connection, the stability of connection between the total power-off protector and the breaking electric protector is improved, after the bridging structure is connected with the two adjacent breaking electric protectors, gaps between the outer side of the bridging structure and the shell cover of the distribution box are reduced, and even if the bridging structure is disconnected with the whole electric protector is disconnected with the insulating shell cover, and the potential safety hazard of the insulating shell cover is reduced due to the fact that the insulation structure is completely separated from the insulating shell cover and the insulating protector is completely.
Further, the second plug-in assembly comprises a plug board and a connecting piece, one side of the connecting piece is connected with the conductor plug-in assembly, the other side of the connecting piece is connected with the plug board, and the plug board extends out of the insulator base to be in plug-in connection.
By adopting the technical scheme, when the bridging structure is connected with the breaking electric protector, the bridging structure is connected with the conductor plug-in assembly to conduct electricity, and the plug-in plate is connected with the breaking electric protector in a plug-in manner, so that the stability of the electric connection is improved, and meanwhile, the stability of the electric conduction performance is ensured.
Further, the insulating cap is provided with a sliding plectrum and a sliding part, the sliding plectrum is arranged on the insulating cap in a sliding way, the sliding part is arranged on the lower side surface of the sliding plectrum, and the sliding part is connected with the plug board so as to drive the plug board to extend out for plug connection through the sliding plectrum.
According to the technical scheme, the sliding poking plate and the sliding part are arranged on the insulating shell cover, when the plug board is used for plug connection, the plug board is driven to extend through the sliding poking plate and the sliding part, so that the plug board is convenient to plug for electric connection, and when the insulating shell cover is transported or not used for bridging structures, the plug board is driven to retract into the insulating shell base through the sliding poking plate and the sliding part, so that the periphery of the insulating shell base is relatively flat, and the insulating shell base is convenient to transport and place.
Further, the lower side of the sliding part is provided with a clamping part, the lower end of the clamping part is connected with the plugboard, and the clamping part clamps the connecting piece to electrically communicate the connecting piece and the plugboard.
By adopting the technical scheme, when the sliding part drives the plugboard to slide, the clamping part is connected with the plugboard, so that the situation that the sliding part cannot drive the plugboard to extend or retract well is avoided, normal sliding grafting of the plugboard is ensured, the clamping part is clamped with the connecting piece, the clamping part is fixed and kept clamped along with the sliding part, and the stability of electric connection between the conductor grafting assembly and the plugboard is improved.
Further, the lower side of the sliding plectrum is provided with a clamping groove, the upper side of the sliding part is provided with a clamping hook, and the clamping hook stretches into the clamping groove to hook the sliding plectrum so that the sliding plectrum drives the sliding part to slide.
By adopting the technical scheme, when the sliding plectrum is connected with the sliding part, the sliding plectrum is connected with the clamping groove through the clamping hook, so that the installation of the sliding plectrum and the sliding part is facilitated, and the sliding plectrum and the sliding part are not influenced to drive the plugboard to extend or retract in a sliding manner.
Furthermore, two plug boards are arranged and are slidably arranged on the insulating shell base, and the two plug boards can independently or simultaneously extend out of the insulating body base to be connected in a plug-in mode.
By adopting the technical scheme, the two plug boards are arranged, the stability of connection between the bridging structure and the breaking electric protector is improved through plugging of the two plug boards, the two plug boards can respectively extend or simultaneously extend, and the installation diversity of the bridging structure is improved.
Further, the conductor plugging assembly comprises two wire connecting parts which are arranged side by side, and the two plugging plates are connected with the two wire connecting parts one by one.
By adopting the technical scheme, the wire plugging assembly is arranged into two side-by-side two wire connecting parts, and the two plugging plates are connected with the two wire connecting parts one by one, so that the stability of electric connection is improved.
Further, the first plug-in assembly comprises a plug-in sealing plate and a first plug-in pin, the conductor plug-in sealing plate is embedded on the insulator base, the first plug-in pin is arranged at the end part of the conductor plug-in assembly and is plugged in the conductor plug-in sealing plate, and the first plug-in pin extends out of the insulator base to be connected in a plug-in mode.
By adopting the technical scheme, the first plug-in assembly is arranged into the form of the plug-in sealing plate and the first plug-in pins, the first plug-in pins are plugged in the plug-in sealing plate, the first plug-in pins are stabilized, and the possibility that the bending or deviation of the first plug-in pins affects the plug-in effect and the plug-in efficiency is reduced.
Further, the middle part of the conductor plug-in assembly is provided with a third plug-in assembly, the third plug-in assembly comprises a connecting conductor, a plug-in groove body and a plug-in seat, the connecting conductor is integrally connected with the conductor plug-in assembly, the plug-in groove body is arranged on the base of the insulating shell, the plug-in seat is arranged at the tail end of the connecting conductor and is embedded in the plug-in groove body, and the plug-in seat is in plug-in connection with the first plug-in assembly of the adjacent bridging structure.
By adopting the technical scheme, when the bridging structure is connected with the middle breaking electric protector, the bridging structure is required to be connected with the middle breaking electric protector and is also electrically connected with the breaking electric protectors at two sides, and the third plug-in assembly is arranged with the first plug-in assembly of the adjacent bridging structure, so that the adjacent three breaking electric protectors are electrically connected with each other, the stability of connection is ensured, and the connection structure is simplified.
Furthermore, in order to achieve the purpose, the distribution box adopts the following technical scheme that the distribution box comprises a total power-off protector, a plurality of breaking electric protectors which are distributed side by side and a plurality of bridging structures, wherein the total power-off protector is electrically connected with the breaking electric protectors and the adjacent two breaking electric protectors through the bridging structures.
By adopting the technical scheme, when the bridging structure is arranged between the total power-off protector and the breaking electric protector, the bridging structure with the first plug-in component, the second plug-in component and the third plug-in component is connected at a relatively middle position, and the bridging structure with the first plug-in component and the second plug-in component is only connected between the two breaking electric protectors on the most edge, so that the electric connection between the power-off protectors is facilitated, the connection stability is improved, the maintenance is facilitated, and the potential safety hazards of error touch are avoided between the insulating shell base and the insulating shell cover.
Drawings
The utility model is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic diagram of a bridge structure according to the present utility model;
FIG. 2 is a schematic view of a connection structure of a first plug assembly and a second plug assembly according to the present utility model
FIG. 3 is an enlarged view of the utility model at A in FIG. 2;
FIG. 4 is a schematic view of a first board and a second board according to the present utility model;
FIG. 5 is a schematic diagram showing the connection between two pins and a wire connection portion according to the present utility model;
FIG. 6 is a schematic diagram illustrating a distribution of a plug board and a third plug assembly according to the present utility model;
FIG. 7 is a schematic view of a third plug assembly according to the present utility model;
Fig. 8 is an exploded view of a third plug assembly according to the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments.
The terms "first," "second," and the like in the description and in the claims, if any, are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order, and do not necessarily indicate a "first" even if a "second" is used before a certain feature. It should be understood that in the present utility model, "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. It should be understood that in the present utility model, "plurality" means two or more. "and/or" is merely an association relationship describing the association object, and means that three relationships may exist, for example, X and/or Y may mean that three cases of X alone, X and Y together, and Y alone exist. The character "/" generally indicates that the context-dependent object is an "or" relationship. "comprising X, Y and Z", "comprising X, Y, Z" means that all three of X, Y, Z comprise, "comprising X, Y or Z" means that one of X, Y, Z comprises, "comprising X, Y and/or Z" means that any one or any two or three of X, Y, Z comprise.
The technical scheme of the utility model is described in detail below by specific examples. The following specific embodiments may be combined with or replaced with each other according to actual situations, and the same or similar concepts or processes may not be described in detail in some embodiments.
As shown in fig. 1 and 2, the utility model provides a bridging structure, which comprises an insulating housing base 1 and an insulating housing cover 2, wherein the insulating housing cover 2 is fixedly connected to the insulating housing base 1 through screws, the insulating housing cover 2 is arranged on the insulating housing base 1 to form a containing cavity, a conductor plugging component 3 is arranged in the containing cavity, a first plugging component 4 is arranged on one side of the conductor plugging component 3, a second plugging component 5 is arranged on the other side of the conductor plugging component, the conductor plugging component 3 is fixedly arranged on the insulating housing base 1 through the first plugging component 4 and the second plugging component 5, the first plugging component 4 is used for being in plug connection with adjacent other bridging structures, and the second plugging component 5 is used for being in plug connection with a power-off protector. The first plug-in component 4 and the second plug-in component 5 are connected in a plug-in manner, mess of wire connection is avoided, the potential safety hazards of electric shock caused by false touch in the installation or maintenance process are avoided through wrapping of the insulating shell base 1 and the insulating shell cover 2, in addition, the power-off protector is electrically connected through the bridging structure, gaps between the power-off protector and the shell are reduced, and the possibility of disconnection between the second plug-in component 5 and the power-off protector is further reduced.
In this embodiment, as shown in fig. 1 and 2, the second plugging assembly 5 includes a plugging plate 51 and a connecting piece 52, one side of the connecting piece 52 is connected with the conductor plugging assembly 3, the other side is connected with the plugging plate 51, the plugging plate 51 extends out of the insulating housing base 1 to be plugged and connected, the plugging plate 51 is electrically connected with the conductor plugging assembly 3 through the connecting piece 52, the plugging plate 51 is electrically connected with the connecting piece 52, and then the plugging plate 51 is plugged with the power-off protector, so that the conductive stability of the plugging plate 51 after plugging is improved.
In order to facilitate the transportation, placement and installation of the bridging structure, as shown in fig. 2, the insulating housing cover 2 is provided with a sliding plectrum 21 and a sliding part 22, the sliding plectrum 21 is slidably arranged on the insulating housing cover 2, the sliding part 22 is provided with the lower side surface of the sliding plectrum 21 to be connected, and the sliding part 22 is connected with the plug board 51 to drive the plug board 51 to extend and plug through the sliding plectrum 21; when the sliding plectrum 21 is specifically connected with the sliding part 22, the lower side surface of the sliding plectrum 21 is provided with a clamping groove 211, the upper side of the sliding part 22 is provided with a clamping hook, the clamping hook is a first clamping hook 221, the first clamping hook 221 stretches into the clamping groove 211 to be connected with the sliding plectrum 21 after being hooked so that the sliding plectrum 21 can drive the sliding part 22 to slide, more specifically, two blocking ribs 212 are distributed on the lower side of the sliding plectrum 21 in the sliding direction of the sliding plectrum 21, the first clamping hook 221 is positioned between the two blocking ribs 212, the clamping groove 211 is internally provided with a second clamping hook 213 which is clamped with the first clamping hook 221 along the length direction of the first clamping hook 221, the sliding plectrum 21 is clamped with the sliding part 22, before the bridge structure is transported, the sliding plectrum 21 is stirred to drive the sliding part 22 to slide, and then the plugboard 51 is driven to retract into the insulating housing base 1, bending of the plugboard 51 due to collision in the transportation is avoided, and further the plug connection of the plugboard 51 is affected, or when the bridge structure is not used, the plugboard 51 is retracted, the external body of the bridge structure is reduced, the bridge structure is convenient to place, and the plugboard 51 can be placed under the transportation or the condition of being placed after the bending.
Further, as shown in fig. 2 and 3, the connecting piece 52 includes a first connecting portion 521 and a second connecting portion 522, the first connecting portion 521 is perpendicular to the bottom wall of the accommodating cavity, the first connecting portion 521 is fixedly connected with the conductor plugging assembly 3 by a screw, the second connecting portion 522 is disposed at the top end of the first connecting portion 521 and parallel to the length direction of the plug board 51, a clamping portion 53 is disposed between the sliding portion 22 and the plug board 51, one side of the clamping portion 53 is connected with the lower side of the sliding portion 22, the other side is connected with the plug board 51, two groups of the second connecting portion 522 and the clamping portion 53 are disposed along the two groups, specifically, the clamping portion 53 includes a first clamping lever 531 and a second clamping lever 532, a clamping gap 533 is formed between the first clamping lever 531 and the second clamping lever 532, the second connecting portion 522 extends into the clamping gap 533, and the second connecting portion 522 drives the sliding portion 22 to slide in the clamping gap 533, so that the second connecting portion 522 is kept plugged in the clamping gap in the conductor plugging assembly 3, the first connecting portion 521, the second connecting portion 522, the second clamping lever 532 and the plug board 51.
In order to improve the stability of the plug connection of the bridging structure, two plug boards 51 are provided, as shown in fig. 4 and 5, a first plug board 511 and a second plug board 512 are respectively provided, the first plug board 511 and the second plug board 512 are respectively provided with a sliding pulling piece 21, a sliding part 22 and a clamping part 53, the corresponding conductor plug assembly 3 comprises two wire connecting parts 31 arranged side by side, the first plug board 511 and the second plug board 512 are respectively connected with the two wire connecting parts 31 in a one-to-one manner through connecting pieces 52, the specific length and the shape of the two connecting pieces 52 can be adaptively changed according to the size of an installation space, the plug connection stability is improved through the plug connection of the first plug board 511 and the second plug board 512, and the possibility that the conduction is affected due to the disconnection between the bridging structure and a power failure protector is reduced.
In order to realize plug connection on the other side of the bridging structure, as shown in fig. 2 and 5, the first plug-in component 4 comprises a plug-in sealing plate 41 and first plug-in pins 42, the plug-in sealing plate 41 is embedded on the insulating housing base 1, the first plug-in pins 42 are arranged at the end part of the conductor plug-in component 3 and are plugged on the plug-in sealing plate 41, the first plug-in pins 42 extend out of the insulating housing base 1 to be plug-in connected, the conductor plug-in component 3 comprises wire connecting parts 31 which are arranged side by side, the end parts of the two conductor plug-in components 3 are uniformly arranged into four connecting points, the first plug-in pins 42 are provided with eight, each four first plug-in pins 42 are in a group, the two groups of first plug-in pins 42 are connected with the two wire connecting parts 31 in a one-to-one mode, and the stability of the plug-in connection of the first plug-in component 4 is improved through plug-in connection of eight first plug-in pins 42.
In another embodiment, in order to facilitate the connection of the three power-off protectors by the bridging structure, as shown in fig. 6, the middle part of the conductor plugging component 3 is provided with a third plugging component 6, as shown in fig. 7, the third plugging component 6 includes a connection conductor 61, a plugging slot 62 and a plugging seat 63, the connection conductor 61 is integrally connected with the middle part of the wire connection portion 31, the plugging slot 62 is provided on the insulating housing base 1, the plugging slot 62 is embedded on the insulating housing base 1, as shown in fig. 8, the plugging slot 62 is provided with a plurality of first plugging holes 621, the middle part of the first plugging holes 621 is provided with a clamping rib 622, the plugging seat 63 is provided at the tail end of the connection conductor 61, and the plugging seat 63 is provided with a plurality of second plugging holes 631 at the tail end of the connection conductor 61, the plugging seat 63 is plugged into the first plugging hole 621, the number of the second plugging holes 631 is the same as the number of the first pins 42, two second plugging holes 631 are provided on the first plugging seat 63, a clamping groove 632 is provided on the other side of the plugging slot 631 between the two second plugging holes, and the clamping rib 622 is corresponding to the first plugging slot 63 in the first plugging hole 63 and the first plugging hole corresponding to the first plugging hole 63, and the second plugging hole corresponding to the first plugging hole 631.
When the bridging structure is specifically designed, the bridging structure with only the first plug-in component 4 and the second plug-in component 5 can be used between two breaking electric protectors at the side edge, and the bridging structure of two plug-in boards 51 or one plug-in board 51 can be selected according to the width and the pin number of the power-off protector.
In another embodiment, the utility model provides a distribution box, which comprises a total power-off protector, a plurality of breaking electric protectors distributed side by side and a plurality of bridging structures, wherein the total power-off protector, the breaking electric protectors and two adjacent breaking electric protectors are electrically connected through the bridging structures, specifically, the bridging structures only comprising a first plug-in component 4 and a second plug-in component 5 are used between the two breaking electric protectors at the side, and the power-off protector with two plug-in interfaces selects the bridging structure with two plug-in boards 51.
In addition to the preferred embodiments described above, other embodiments of the present utility model are also contemplated as falling within the scope of the claimed utility model, as well as all other embodiments that may be made by one of ordinary skill in the art without making any inventive effort based on the embodiments of the present utility model.