CN216981260U - Distribution box convenient to maintain - Google Patents
Distribution box convenient to maintain Download PDFInfo
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- CN216981260U CN216981260U CN202220751484.3U CN202220751484U CN216981260U CN 216981260 U CN216981260 U CN 216981260U CN 202220751484 U CN202220751484 U CN 202220751484U CN 216981260 U CN216981260 U CN 216981260U
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- distribution box
- distribution
- compression
- distribution frame
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Abstract
The utility model belongs to the technical field of distribution boxes, and provides a distribution box convenient to maintain, which comprises a distribution box shell and a distribution frame, wherein the distribution frame comprises a plurality of installation layers with four open sides, a rotary disc is arranged in each installation layer, at least one locking hole is formed in the edge of the rotary disc, a lock pin connected with the installation layers is arranged in each locking hole, turning plates are rotatably arranged on two sides of each installation layer, handle holes are formed in the turning plates, the top of the distribution frame is lower than the inner top of the distribution box shell, two symmetrically distributed strip-shaped grooves are formed in the top of the distribution frame, compression blocks are arranged in the strip-shaped grooves, springs are arranged at the bottoms of the compression blocks, a plurality of guide wheels in rolling fit with the side surfaces of the compression blocks are arranged on the inner top of the distribution box shell, a plurality of compression grooves are formed in the side surfaces of the distribution box, and compression plate springs are arranged in the compression grooves. The device has the advantages of reasonable design, simple structure, better assembly performance, higher stability, convenience in maintenance for protecting internal devices and suitability for large-scale popularization.
Description
Technical Field
The utility model belongs to the technical field of distribution boxes, and particularly relates to a distribution box convenient to maintain.
Background
The distribution box is a low-voltage distribution device formed by assembling switch equipment, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the electrical wiring requirement. In normal operation, the circuit can be switched on or off by means of a manual or automatic switch. When the equipment is in fault or abnormal operation, the circuit is cut off or an alarm is given by means of the protective electric appliance. The measuring instrument can display various parameters in operation, and can also adjust certain electrical parameters to prompt or send signals for deviation from normal working state. It is commonly used in various power generation, distribution and transformation substations.
The prior patent CN201920414039.6 discloses a distribution box convenient for maintenance, which includes a distribution frame, a distribution box housing, and a turntable; the power distribution frame is of a cuboid frame structure and is divided into a plurality of layers by a plurality of laminates, each laminate is provided with a turntable, and components of the power distribution box are arranged on the turntables; the distribution box housing is disposed outside the distribution box. This block terminal though can solve the inside distribution components and parts of block terminal among the prior art and be difficult to the problem of overhauing. However, when the distribution frame is assembled to the distribution box shell, certain difficulty exists, and if the gap and the angle between the top of the distribution frame and the top in the distribution box shell need to be adjusted to a certain degree, the assembly can be realized, and especially under the condition that the height of the distribution frame is higher than that of workers, the working efficiency is influenced; secondly, the devices on the turntable have obvious disadvantages in connection reliability because the turntable has no locking function.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems of the distribution box, the utility model provides the distribution box which is reasonable in design, simple in structure, good in assembly performance, high in stability and convenient to maintain and is beneficial to protecting internal devices.
In order to achieve the purpose, the utility model adopts the technical scheme that the distribution box convenient to maintain comprises a distribution box shell, a distribution frame is arranged in the distribution box shell and comprises a plurality of installation layers with four open surfaces, a rotary table is arranged in each installation layer, at least one locking hole is arranged on the edge of each rotary table, a lock pin connected with each installation layer is arranged in each locking hole, turning plates are rotatably arranged on two sides of each installation layer, a handle hole is formed in each turning plate, the top of each distribution frame is lower than the inner top of the distribution box shell, two symmetrically-distributed strip-shaped grooves are formed in the top of each distribution frame, compression blocks are arranged in the strip-shaped grooves, springs are arranged at the bottoms of the compression blocks, and a plurality of guide wheels in rolling fit with the side surfaces of the compression blocks are arranged on the inner top of the distribution box shell, the side of block terminal is provided with a plurality of grooves that compress tightly, it compresses tightly the leaf spring to be provided with in the groove to compress tightly.
Preferably, compress tightly the leaf spring and include the straight board portion with the inner wall contact complex of block terminal shell, the both ends of straight board portion are provided with towards the crisscross sloping board portion of embracing of pressing groove direction.
Preferably, the top of the power distribution frame is provided with a column part which is concave towards the direction of the installation layer, and the column part is provided with a spring slot for limiting a spring.
Preferably, the plurality of guide wheels on the top of the power distribution frame are distributed in a 2 × 2 mode.
Compared with the prior art, the utility model has the advantages and positive effects that:
1. according to the distribution box convenient to maintain, the whole height of the distribution frame has an adjustable function due to the design of the compression block, and the guide wheel can be in rolling fit with the compression block, so that the difficulty of assembling the distribution frame to the shell of the distribution box is greatly reduced; the turnover plate is utilized to limit the electric elements on the turntable, and can serve as a handle to facilitate drawing of the power distribution frame; utilize the lockpin can fix a position the carousel, be favorable to improving the connection reliability of electric component, also can improve the distribution frame by compressing tightly the leaf spring moreover and distribute the inside stability of box shell to guarantee the normal operating performance of this device. The device has the advantages of reasonable design, simple structure, good assembly performance, high stability, convenience in maintenance and suitability for protecting internal devices, and is suitable for large-scale popularization.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on the drawings without creative efforts.
Fig. 1 is a front view of an electrical box for ease of maintenance provided by an embodiment;
FIG. 2 is a front view of the example electrical distribution box (without the distribution box housing and guide wheels) provided for ease of maintenance;
figure 3 is a side view of an electrical box (no box housing) for ease of maintenance provided by an embodiment;
FIG. 4 is an enlarged schematic view of the structure A in FIG. 2 according to an exemplary embodiment;
FIG. 5 is an isometric view of a compression leaf spring provided by the embodiments;
in the above figures, 1, a distribution box housing; 2. a power distribution rack; 21. mounting a layer; 22. a strip-shaped groove; 23. a compaction groove; 24. a columnar portion; 3. a turntable; 31. a locking hole; 4. compressing the block; 5. a spring; 6. a guide wheel; 7. pressing the plate spring; 71. a straight plate portion; 72. a ramp portion; 8. turning over a plate; 81. a handle hole; 9. and (4) locking pins.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict. For convenience of description, the words "upper", "lower", "left" and "right" used herein refer to the same directions as the drawings, and do not limit the structure.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.
In the embodiment, as shown in fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, the distribution box convenient to maintain provided by the present invention includes a distribution box housing 1, a distribution frame 2 is disposed inside the distribution box housing 1, the distribution frame 2 includes a plurality of mounting layers 21 with four open sides, a turntable 3 is disposed in the mounting layers 21, at least one locking hole 31 is disposed at an edge of the turntable 3, a locking pin 9 connected with the mounting layers 21 is disposed in the locking hole 31, turning plates 8 are rotatably disposed on both sides of the mounting layers 21, a handle hole 81 is disposed on the turning plate 8, the top of the distribution frame 2 is lower than the inner top of the distribution box housing 1, two symmetrically distributed strip-shaped grooves 22 are disposed at the top of the distribution box 2, a compression block 4 is disposed in the strip-shaped groove 22, a spring 5 is disposed at the bottom of the compression block 4, a plurality of guide wheels 6 in rolling fit with the side surfaces of the compression block 4 are disposed at the inner top of the distribution box housing 1, the side of block terminal is provided with a plurality of compressing tightly groove 23, is provided with in compressing tightly the groove 23 and compresses tightly leaf spring 7.
Specifically, the compression block 4 can compress the spring 5 under the action of external force, and after the power distribution frame 2 is assembled to the power distribution box shell 1, one end of the compression block 4 can extend into the power distribution box shell 1 along with the power distribution frame 2, and meanwhile, the compression block 4 compresses the spring 5, and the compression block 4 is guided and limited by the guide wheel 6. Like this, through making the whole height of distributing box frame 2 adjustable, in addition leading wheel 6 can roll the cooperation with compression piece 4, greatly reduced distributing box frame 2 to the degree of difficulty of distributing box shell 1 assembly. After the distribution frame 2 is installed inside the distribution box housing 1, the compression leaf spring 7 can be supported between the distribution frame 2 and the distribution box housing 1 together with the compression block 4, so that the distribution frame 2 can be protected positively. Furthermore, the turning plate 8 on each mounting layer 21 is opposite to the front surface of the power distribution frame in the normal position, so that the turning plate plays a role of preventing the electric elements on the rotating disc 3 from falling off on one hand, and can serve as a handle on the other hand, and workers can conveniently pull the power distribution frame 2; the installation layer can be completely opened after the turning plate is turned to one side close to the power distribution frame, so that the electric parts on the rotary plate can be conveniently maintained by workers. The lock pin 9 on the rotary table 3 can be directly inserted into the positioning hole or the positioning groove in the mounting layer 21, so that the positioning and self-locking effect is achieved, the connection reliability of the electric part is improved, and the normal operation performance of the device is ensured.
In order to improve the assembly performance of the device, the compression plate spring 7 provided by the utility model comprises a straight plate part 71 which is in contact fit with the inner wall of the distribution box shell 1, and inclined plate parts 72 which are alternatively embraced towards the direction of the compression groove 23 are arranged at two ends of the straight plate part 71. The straight plate part 71 can be always in friction contact with the inner wall of the distribution box shell 1 in the assembling process, and the inclined plate part 72 can enable the whole pressing plate spring 7 to play a pressing role due to the dynamic change of the mutual holding clearance of the two inclined plate parts after being installed.
In order to improve the supporting stability of the spring 5 on the compression block 4, the top of the power distribution frame 2 is provided with the columnar part 24 which is sunken towards the direction of the mounting layer 21, and the columnar spring groove used for limiting the column shape of the spring 5 is arranged in the columnar part 24, so that a reasonable mounting space is provided for the spring 5, the radial displacement of the spring 5 is limited, the radial deformation of the spring is avoided, and the supporting performance of the compression block 4 between the power distribution frame 2 and the power distribution box shell 1 is effectively improved.
Further, the utility model provides a plurality of guide wheels 6 on the top of the power distribution frame 2 in a 2 × 2 distribution. Through setting up a plurality of leading wheels 6 and can guarantee that the side of compression piece 4 has sufficient roll support node, can make way reasonable slip space for compression piece 4 when the assembly moreover to practice thrift the time of adjustment distribution frame 2 greatly, improve the efficiency of assembly.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention in other forms, and any person skilled in the art may apply the above modifications or changes to the equivalent embodiments with equivalent changes, without departing from the technical spirit of the present invention, and any simple modification, equivalent change and change made to the above embodiments according to the technical spirit of the present invention still belong to the protection scope of the technical spirit of the present invention.
Claims (4)
1. A distribution box convenient to maintain comprises a distribution box shell, wherein a distribution frame is arranged inside the distribution box shell and comprises a plurality of installation layers with four open surfaces, a turntable is arranged in each installation layer, the distribution box is characterized in that at least one locking hole is formed in the edge of the turntable, a lock pin connected with the installation layers is arranged in each locking hole, turning plates are rotatably arranged on two sides of each installation layer, handle holes are formed in the turning plates, the top of the distribution frame is lower than the inner top of the distribution box shell, two symmetrically-distributed strip-shaped grooves are formed in the top of the distribution frame, compression blocks are arranged in the strip-shaped grooves, springs are arranged at the bottoms of the compression blocks, a plurality of guide wheels in rolling fit with the side surfaces of the compression blocks are arranged at the inner top of the distribution box shell, and a plurality of compression grooves are formed in the side surfaces of the distribution box, and a pressing plate spring is arranged in the pressing groove.
2. The distribution box convenient to maintain of claim 1, wherein the compression plate spring comprises a straight plate part in contact fit with the inner wall of the distribution box shell, and inclined plate parts which are alternatively embraced towards the direction of the compression groove are arranged at two ends of the straight plate part.
3. The distribution box of claim 2, wherein the top of the distribution frame is provided with a column portion recessed toward the mounting layer, and the column portion is provided with a spring slot for restraining the spring.
4. The easy maintenance electrical distribution box of claim 3, wherein the plurality of guide wheels on the top of the distribution frame are arranged in a 2 x 2 pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220751484.3U CN216981260U (en) | 2022-03-31 | 2022-03-31 | Distribution box convenient to maintain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220751484.3U CN216981260U (en) | 2022-03-31 | 2022-03-31 | Distribution box convenient to maintain |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216981260U true CN216981260U (en) | 2022-07-15 |
Family
ID=82341666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220751484.3U Active CN216981260U (en) | 2022-03-31 | 2022-03-31 | Distribution box convenient to maintain |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216981260U (en) |
-
2022
- 2022-03-31 CN CN202220751484.3U patent/CN216981260U/en active Active
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