CN202172130U - Electric box and terminal support - Google Patents

Abstract

The utility model discloses a terminal frame, which comprises a terminal frame body and two side plates. There are at least two terminal frame bodies arranged between the two side plates in a vertical distribution. The utility model arranges two side plates and arranges a plurality of terminal frame bodies distributed up and down between the two side plates, so that when there are many connecting terminals in the electrical box, it is convenient to arrange the connecting terminals up and down in multiple layers, which is Other electrical components save layout space, thereby simplifying the structure of the box body. In addition, by setting a plurality of terminal frame bodies and two side plates into an integrated structure, only one terminal frame connector in the prior art is required to install the terminal frame provided by the utility model into the box during installation. , not only saves the connectors, but also saves the steps of installing the terminal frame multiple times, which reduces the labor intensity of the operator. The utility model also discloses an electric box with the above-mentioned terminal frame.

Description

An electrical box and its terminal frame

technical field

The utility model relates to the technical field of fixing parts for connecting terminals, in particular to an electrical box body and a terminal frame thereof. the

Background technique

The input and output terminals are commonly used in the chassis, and are used for internal wiring and external wiring respectively, and a special fixing structure is designed in the chassis for fixing the input and output terminals. the

As shown in Figures 1 and 2, the terminal frame 11 is fixed in the chassis by screws 12, and the terminal frame 11 has a plane for installing terminal blocks. Connecting pieces such as rivets are fixed on the terminal frame 11 . the

Please refer to Fig. 3-Fig. 5, this is another structural form of the terminal frame, which generally includes a terminal frame base 21, a slide rail 22 arranged on the terminal frame base 21, and baffles 23 installed on both sides of the slide rail 22 . When in use, first slide and fit the terminal block 24 on the slide rail 22. After the matching position between it and the slide rail 22 is determined, the baffle plate 23 is installed on both sides of the terminal block by screws to prevent the terminal block from sliding along the slide rail 22. move. Finally, the whole terminal frame can be installed inside the chassis through screws 25 . the

With the development of electrical equipment, the electrical equipment is required to have more functions, so the electrical equipment is required to have more input and output terminals, resulting in an increasingly larger structure. In order to simplify the structure, the commonly used method is to distribute the terminal racks up and down to utilize the upper space of the electrical box. the

However, the current terminal frames are all in the form of a single-layer distribution structure, that is, multiple terminal frames need to be installed in one electrical box to complete the arrangement of all terminal rows, which requires multiple screw holes to be pre-set in the electrical box, requiring installers Each terminal frame is installed separately, and the installation steps are cumbersome, and a lot of connecting parts such as screws are consumed. the

At present, there is an urgent need for a terminal frame that is easy to assemble under the premise of satisfying the layered distribution. the

Utility model content

In view of this, the purpose of the utility model is to provide an electrical box and its terminal frame, which can fix multiple sets of terminal blocks through one installation. the

In order to achieve the above object, the utility model provides the following technical solutions:

A terminal frame includes a terminal frame body and two side plates, and there are at least two terminal frame bodies arranged between the two side plates in a vertical distribution. the

Preferably, in the above-mentioned terminal frame, mounting ear plates with mounting holes are provided on the two side plates. the

Preferably, the above terminal frame further includes support plates respectively connected to the body of each terminal frame. the

Preferably, in the above-mentioned terminal frame, the support plate is connected to at least one terminal frame body through a slot. the

Preferably, in the above-mentioned terminal frame, there are two support plates, namely a front support plate and a rear support plate;

Except for the terminal frame body located on the bottom layer, the terminal frame bodies of other layers are connected to the front support plate through the card slot;

Except for the terminal frame body on the top layer, the terminal frame bodies on other layers are connected to the back support plate through a slot. the

Preferably, in the above-mentioned terminal frame, the front support plate is provided with a mounting hole matched with the connecting piece. the

Preferably, in the above terminal frame, the terminal frame body located at the bottom layer has a bottom plate in contact with the bottom plate of the box body. the

Preferably, in the above-mentioned terminal frame, each terminal frame body is provided with a plurality of installation holes along its length direction for assembling the terminal block. the

An electrical box, comprising a box body and a terminal frame arranged in the box body, the terminal frame is the terminal frame as described in any one of the above items. the

Preferably, in the above-mentioned electrical box, the rear cover of the box body is provided with an inner and outer partition, and one end of the inner and outer partition extends to the terminal row installed on the terminal frame, and is interposed between the between the inner and outer terminals of the terminal block described above. the

As can be seen from the above-mentioned technical scheme, the utility model is provided with two side plates and a plurality of terminal frame bodies distributed up and down between the two side plates, so that when there are many terminals in the electrical box, The connecting terminals are arranged in multiple layers up and down, thereby saving the layout space for other electrical components, thereby simplifying the structure of the box body. In addition, a plurality of terminal frame bodies are provided as an integrated structure through two side plates. When installing, the terminal frame provided by the utility model can be installed in the box only by installing a connector of a terminal frame in the prior art. Not only the connectors are saved, but also the steps of installing the terminal frame multiple times are omitted, which reduces the labor intensity of the operator. the

Description of drawings

Figure 1 is a schematic diagram of the cooperation structure between the existing terminal frame and the box body;

Figure 2 is a schematic diagram of the cooperation structure between the terminal rack and the box with the terminal row installed;

Figure 3 is a schematic structural view of the existing slide rail terminal rack;

Figure 4 is a schematic diagram of the assembly structure of the existing slide rail terminal frame and terminal block;

Figure 5 is a schematic diagram of the cooperation structure between the slide rail terminal rack and the box body with the terminal row installed;

Figure 6 is a schematic structural view of the terminal frame provided by the embodiment of the present invention;

Figure 7 is a schematic structural diagram of the bottom terminal frame body provided by the embodiment of the present invention;

Figure 8 is a schematic structural view of the top terminal frame body provided by the embodiment of the present invention;

Fig. 9 is the structural representation of the front support plate provided by the utility model embodiment;

Fig. 10 is the schematic structural view of the back support plate provided by the utility model embodiment;

Figure 11 is a schematic diagram of the assembly structure of the terminal frame and the box provided by the embodiment of the present invention;

Fig. 12 is the sectional structure schematic diagram of the electric box body that the utility model embodiment provides;

Fig. 13 is a schematic structural view of the outer cover plate of the electrical box provided by the embodiment of the present invention. the

Detailed ways

The core of the utility model is to provide an electrical box body and a terminal frame thereof, so as to fix multiple sets of terminal blocks through one installation. the

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative work, all belong to the protection scope of the present invention. the

Please refer to FIG. 6 . FIG. 6 is a schematic structural diagram of a terminal frame provided by an embodiment of the present invention. the

The terminal frame provided by the utility model includes a terminal frame body and two side plates, at least two terminal frame bodies are disposed between the two side plates in a vertical distribution. In order to facilitate a clear understanding of this solution, the following two terminal frame bodies are used as an example for illustration. Those skilled in the art can understand that when there are three, four or more terminal frame bodies, the structure is the same as that of two terminal frame bodies. The body of the terminal frame is similar. On the premise of not departing from the idea of the utility model, as long as there are two or more terminal frame bodies and they are arranged in layers, then they fall into the protection scope of the utility model. the

As shown in FIG. 6 , the two side plates are respectively a left side plate 31 and a right side plate 32 , and the terminal frame body includes a top layer terminal frame body 33 and a bottom layer terminal frame body 34 . The top-layer terminal frame body 33 and the bottom-layer terminal frame body 34 can be installed on the two side plates by connecting pieces such as rivets or screws. Those skilled in the art can understand that the distance between the top terminal frame body 33 and the bottom terminal frame body 34 should be able to ensure smooth installation of the terminal block and convenient wiring. The top terminal rack body 33 and the bottom terminal rack body 34 should be the same as the existing terminal racks. After being installed on the two side plates, the terminal block mounting plate on the top should have a certain angle with the horizontal plane, so that the terminal block can be mounted The wiring of the internal and external terminals. the

The utility model arranges two side plates and arranges a plurality of terminal frame bodies distributed up and down between the two side plates, so that when there are many connecting terminals in the electrical box, it is convenient to arrange the connecting terminals in multiple layers up and down, so that Other electrical components save layout space, thereby simplifying the structure of the box body. In addition, by setting a plurality of terminal frame bodies through the two side plates into an integrated structure, during installation, only one connector of the terminal frame in the prior art is required to install the terminal frame provided by the utility model into the box , not only saves the connectors, but also saves the steps of installing the terminal frame multiple times, which reduces the labor intensity of the operator. the

As shown in FIG. 6 , both the left side plate 31 and the right side plate 32 are provided with mounting lugs with mounting holes, preferably the mounting lugs are arranged on the top of the side plates for easy assembly. The left side plate 31 and the right side plate 32 not only play the role of combining multiple terminal frame bodies, but also have the effect of fixing the terminal frame as a whole in the box. The terminal frame can be fixed to the corresponding position of the box body through screws, rivets or other connecting pieces with connection function and the mounting holes on the two side plates. the

In some cases, the electrical box body needs multiple sets of terminal blocks. In order to save space, multiple sets of terminal blocks can be arranged on the same terminal frame body. In order to meet the requirements of strength and safety, it is necessary to separate multiple groups of terminal blocks on the same terminal frame body. In the following, two sets of wiring terminal blocks are set on one terminal frame body as an example to expand the detailed description. the

As shown in FIG. 6 , in order to meet the requirements of strength and safety, the utility model may also include supporting plates respectively connected with the bodies of the terminal frames. The support plate can provide supporting force for the top terminal frame body 33 and the bottom terminal frame body 34 to prevent the terminal frame body from bending, and the support plate can also separate two groups of terminal blocks on both sides. the

In order to facilitate the connection between the support plate and the terminal frame body, the support plate is connected with at least one terminal frame body through a slot. Usually, the body of the terminal frame is a plate-shaped structure, and a slot having the same thickness as the body of the terminal frame can be provided on the support plate accordingly. By controlling the length of the slot, the matching depth of the support plate and the body of the terminal frame can be correspondingly controlled. the

There may be two braces, namely a front brace 36 and a rear brace 35 . Please combine Figure 6 and Figure 9, when there are two terminal frame bodies, the front support plate 36 should be connected with the terminal frame body 33 on the top layer through the card slot; when there are more than two terminal frame bodies, the front support plate 36 and the The other terminal frame bodies outside the bottom terminal frame body are connected through card slots, and the following takes two terminal frame bodies as an example to describe in detail. the

The front strut 36 as a whole is composed of a base plate 362 and side plates 361 vertically connected to both sides of the base plate 362 . The front support plate 36 may be provided with a mounting hole 363 for matching with the connecting piece, and the mounting hole 363 is disposed on the bottom plate 362 . That is, the terminal frame provided by the utility model can be connected with the cabinet through the mounting holes on the two side plates and the mounting holes on the front support plate, and only three screws are needed to realize the assembly with the cabinet. The mounting hole 363 can be arranged on the top of the front brace 36, and the mounting holes on the two side plates can also be arranged on the top, and it can be fixed by 3 screws from the top, which is more convenient and secure. The internal cables of the 4 sets of terminal blocks also avoid the operating directions of the 3 screws, which makes the operation easier. the

Please combine Figure 6 and Figure 10, when there are two terminal frame bodies, the rear support plate 35 should be connected with the bottom terminal frame body 34 through the card slot, when there are more than two terminal frame bodies, the rear support plate 35 and the The other terminal frame bodies outside the top terminal frame body are connected through card slots, and the following takes two terminal frame bodies as an example to describe in detail. the

The rear support plate 35 as a whole is composed of a bottom plate 352 and side plates 351 vertically connected to both sides of the bottom plate 352 . The front brace 36 and the rear brace 35 are connected by connectors. Specifically, rivet holes 354 are provided on both side plates of the rear brace 35, and rivet holes 365 are correspondingly provided on both sides of the front brace. Preferably, the distance between the two side plates of the front support plate 36 and the rear support plate 35 is the same. When assembling, they are respectively assembled on the terminal frame body through the draw-in slots thereon, and ensure that the side plates of the front support plate 36 are aligned with the rear plate. The side plates of the support plate 35 are cross-bonded, and then riveted along the rivet holes on the two by rivets. the

It is also possible to make the distance between the inside of one of the two side panels of the brace plate the same as the distance between the outside of the two side panels of the other brace plate, for example, the distance between the inside of the two side panels of the front brace plate 36 and the distance between the inside of the two side panels of the front brace plate 35 The distance between the outsides of the two side plates is the same, so when assembling, the two side plates of the front brace 36 can be inserted in the outsides of the two sides of the back brace 35, and then riveted along the rivet holes on the two by rivets. the

Please refer to FIG. 7 , the bottom terminal frame body 34 has a bottom plate in contact with the bottom plate of the box body. When the terminal frame is assembled, the bottom plate of the bottom terminal frame body 34 contacts the bottom plate of the box body, which can improve the stability of the terminal frame. The bottom terminal frame body 34 has a side plate 342 vertically connected to the two ends of its bottom plate, a rear plate 343 vertically connected to the bottom plate and the two side plates respectively, and a terminal mounting plate 341 connected to the two side plates 342 and the rear plate 343 respectively . The connecting terminal mounting plate 341 is provided with a slot 346 matching with the slot 353 on the rear support plate 35 . The two side plates 342 are respectively provided with rivet holes or screw holes 345 connected with the left side plate 31 and the right side plate 32 . The rear plate 343 defines a rivet hole 344 riveted with the bottom plate of the front support plate 36 . In order to ensure a certain degree of rigidity between the two side plates of the back support plate 35 and the bottom plate 352, the slot 353 cannot penetrate the entire width of the side plate 351, and the side plate where the slot 353 is not penetrated can just be snapped into the terminal The slot 346 on the mounting plate 341 ensures that the bottom plate of the rear support plate 35 and the end surface of the terminal mounting plate 311 are located in the same plane. the

In order to realize the connection between the bottom terminal frame body 34 and the terminal block, a plurality of mounting holes 347 for assembling the terminal block are provided along the length direction of the terminal mounting plate 341 . Except for setting the position of the support plate, the distance between two adjacent installation holes 347 is equal. In the actual installation of the terminal block, the actual number of terminals in each terminal block is different. For example, three terminal blocks are installed on the terminal mounting plate 341, and the corresponding terminal numbers are 2, 3 and 4. Due to the different numbers, the lengths of the terminal blocks are also different, and each terminal block needs two screws to fix it. The utility model is provided with a plurality of installation holes on the bottom terminal frame body 34, so it can adapt to the installation of more combinations of terminal blocks, and it is not necessary to design a terminal frame separately for a certain cabinet, and its practicability is stronger. the

As shown in FIG. 8 , the top terminal frame body 33 has a terminal mounting plate 331 at the top and side plates 332 arranged at both ends of the terminal mounting plate 331 and vertically connected thereto. The terminal mounting plate 341 is provided with a card slot 335 matching with the card slot 364 on the front support plate 36, and the two side plates 332 are respectively provided with rivet holes or screw holes 333 connected with the left side plate 31 and the right side plate 32 . In order to ensure a certain rigidity between the two side plates 361 of the front support plate 36 and its bottom plate 362, the slot 364 cannot penetrate the entire width of the side plate 361, and the side plate that is not penetrated by the slot 364 can just be snapped into the wiring The slot 335 on the terminal mounting plate 331 ensures that the bottom plate of the front support plate 36 and the end surface of the terminal mounting plate 331 are located in the same plane. the

In order to realize the connection between the top terminal frame body 33 and the terminal block, a plurality of mounting holes 334 for assembling the terminal block are provided along the length direction of the terminal mounting plate 331 . Except for setting the position of the support plate, the distance between two adjacent installation holes 334 is equal. In the actual installation of the terminal block, the actual number of terminals in each terminal block is different. For example, three terminal blocks are installed on the terminal mounting plate 331, and the corresponding terminal numbers are 2, 3 and 4. Due to the different numbers, the lengths of the terminal blocks are also different, and each terminal block needs two screws to fix it. The utility model is provided with a plurality of installation holes on the top-level terminal frame body 33, so it can adapt to the installation of more combinations of terminal blocks, and there is no need to design a terminal frame separately for a certain cabinet, and its practicability is stronger. the

Please refer to Figure 11-Figure 13, Figure 11 is a schematic diagram of the assembly structure of the terminal frame and the box provided by the embodiment of the utility model; Figure 12 is a schematic cross-sectional structure diagram of the electrical box provided by the embodiment of the utility model; Figure 13 is The structural schematic diagram of the outer cover plate of the electrical box body provided by the embodiment of the utility model. the

The electrical box provided by the utility model includes a box body and a terminal frame arranged in the box body by screws. superior. the

By adopting the terminal frame provided by the utility model, not only the structure inside the box body is simplified, but also because only three screws are needed to realize the installation of the terminal frame 1, so the installation is more convenient and the labor intensity of maintenance personnel is reduced. the

The rear cover plate 3 of the box body is provided with an inner and outer partition 301, and one end of the inner and outer partition 301 extends to the terminal block installed on the terminal frame 1, and is interposed between the internal terminal 202 and the external wiring of the terminal block. Between columns 201. Generally, after the terminal frame is assembled in the case, the direction of the rear cover 3 should be inclined to facilitate internal and external wiring. Do not operate on the external terminal 201, and it is inconvenient to operate on the internal terminal 202 outside the chassis. The angles and distances of each terminal frame body of the terminal frame 1 correspond to the angles and distances of the inner and outer partitions 301, so that the inner and outer line operation spaces of the upper and lower layers are separated, and the upper and lower layers are easy to operate. And only one set of input and output terminals can be operated at a time, which meets the requirements of safety regulations. the

The external cover plate 302 is assembled on the rear cover plate 3, and each group of input and output terminals corresponds to one external cover plate 302. When operating and maintaining each group of wiring terminal blocks on the terminal frame 1, only the corresponding external cover plate 302 needs to be connected. It can be disassembled without dismantling the entire rear cover 3 . the

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other. the

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein. the

Claims (10)

1. A terminal frame, comprising a terminal frame body, characterized in that it also includes two side plates, the terminal frame body is at least two, and is disposed between the two side plates in a vertical distribution. 2 . The terminal frame according to claim 1 , wherein mounting ear plates with mounting holes are provided on the two side plates. 3 . 3. The terminal frame according to claim 1, further comprising support plates respectively connected to each terminal frame body. 4. The terminal frame according to claim 3, wherein the support plate is connected to at least one of the terminal frame bodies through a slot. 5. The terminal frame according to claim 3 or 4, wherein there are two braces, namely a front brace and a rear brace; Except for the terminal frame body located on the bottom layer, the terminal frame bodies of other layers are connected to the front support plate through the card slot; Except for the terminal frame body on the top layer, the terminal frame bodies on other layers are connected to the back support plate through a slot. 6 . The terminal frame according to claim 5 , wherein a mounting hole matched with the connecting piece is provided on the front support plate. 6 . 7. The terminal frame according to claim 1, wherein the terminal frame body on the bottom layer has a bottom plate in contact with the bottom plate of the box body. 8 . The terminal frame according to claim 1 , wherein each terminal frame body is provided with a plurality of mounting holes along its length direction for assembling a terminal block. 8 . 9. An electrical box, comprising a box body and a terminal frame disposed in the box body, characterized in that the terminal frame is the terminal frame according to any one of claims 1-8. 10. The electrical box as claimed in claim 9, wherein the rear cover of the box body is provided with an inner and outer partition, and one end of the inner and outer partition extends to the wiring terminal mounted on the terminal frame. The terminal block is located between the inner terminal post and the outer terminal post of the terminal block.

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