Turnover strong and weak current box internal supporting piece
By using detachable angle iron one and angle iron two to form a support frame, combined with adjustable support components and bolt components, the problem of insufficient support strength and inconvenience of disassembly of traditional electrical box support components is solved, thus achieving stable support and convenient disassembly and turnover of the electrical box.
Patent Information
- Application Number
- CN202520106902.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-16
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2035-01-16
AI Technical Summary
Traditional electrical boxes have a simple internal support design, resulting in insufficient support strength, easy deformation, and inconvenience for disassembly and turnover.
The support frame is composed of detachable angle iron one and angle iron two, combined with adjustable support components and bolt components. The support frame can be installed and disassembled by adjusting nuts and tie rods, which increases the stability and detachability of the support frame.
It achieves stable support and convenient disassembly of the electrical box, facilitating its prefabrication within the wall and relocation to other locations, and improving the overall structural strength and stability of the support frame.
Smart Images

Figure CN223757888U_ABST
Abstract
Description
Technical Field
[0001] This utility model belongs to the field of prefabricated support technology for strong and weak current boxes, and more specifically, it relates to a reusable internal support component for strong and weak current boxes. Background Technology
[0002] With the widespread adoption and continuous upgrading of power systems, electrical boxes, as key terminals for power distribution, control, and protection, play a crucial role in the rationality of their internal structure and the performance of their supporting components. Traditional electrical box internal support structures are mostly simple in design and limited in function. Commonly, they rely on fixed welded metal strips or simple plastic brackets. These types of supports present numerous challenges when faced with today's diverse array of electrical components.
[0003] Traditional support components lack sufficient strength and may deform during use, which could cause the prefabricated electrical boxes embedded in the wall to be flattened. Furthermore, they are inconvenient to disassemble and reuse when the project is completed or relocated. Utility Model Content
[0004] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a reusable internal support component for strong and weak current boxes, which has the advantages of being detachable, easy to install and reusable.
[0005] To achieve the above objectives, the present invention provides the following technical solution:
[0006] A reusable internal support component for a power and weak current electrical box includes an electrical box and a support frame. The support frame is composed of two angle irons (first and second) that are detachably plugged in. Mounting blocks are fixed at the left and right ends of the two angle irons (first), and the mounting blocks have snap-fit grooves. Snap-fit blocks are fixed at the left and right ends of the two angle irons (second), and the snap-fit blocks are adapted to the snap-fit grooves. Several bolt holes are formed on the surface of the mounting blocks, and several countersunk holes that match the bolt holes are formed on the two angle irons (second). Locking nuts are threaded into the bolt holes and countersunk holes. The two angle irons (second) are plugged into the snap-fit grooves of the fixing blocks through the snap-fit blocks to form the support frame.
[0007] An adjustable support assembly is provided between the two angle irons and between the two angle irons. The adjustable support assembly consists of three parts: two pull rods and an adjusting nut. One end of each pull rod is threaded to the adjusting nut, and the end away from the adjusting nut is fixed to the middle of angle iron one or angle iron two. The two adjustable support assemblies are arranged in a cross shape within the support frame. A bolt assembly for fixing the pull rods is provided in the middle of the two angle irons.
[0008] According to the advantages of the scheme, at least in the pre-fabrication of the electrical box in the wall, one of the adjusting support assemblies is installed on the two angle irons I through the bolt assembly, at this time, the adjusting nut is rotated, the adjusting nut drives the pull rod and the two angle irons I fixed at the end of the pull rod to move close to each other, after adjustment, the two angle irons I and the adjusting support assembly are placed in the electrical box, and the adjusting nut is adjusted again, the two angle irons I are driven to move away from each other by the pull rod and are abutted against the inner wall of the electrical box, then the two angle irons II and the adjusting support assembly are assembled together in the same way, and the two angle irons II are moved close to each other, the two angle irons II and the adjusting support assembly after splicing are placed into the electrical box, and the adjusting nut is adjusted again, the two angle irons II are driven to move away from each other by the pull rod and are abutted against the inner wall of the electrical box, finally, the clamping blocks on the angle irons II are placed in the clamping grooves on the mounting blocks, and finally, the locking nut is rotated into the countersunk hole and the bolt hole to complete the fixing and form the support frame, which is located in the interior of the electrical box and supports the electrical box;
[0009] When disassembling the support frame, the locking nut is loosened and the fixing of the countersunk hole and the bolt hole is released, then the two angle irons II and the adjusting support assembly after splicing are lifted to make the clamping blocks away from the clamping grooves, then the adjusting nut is rotated, the adjusting nut drives the pull rod to move on the adjusting nut, the two angle irons II are driven to move away from each other by the pull rod, and then they are taken out of the electrical box, the two angle irons I are also taken out of the electrical box according to the above disassembly method, and finally, the angle irons I, the angle irons II and the adjusting support assembly are separated to complete the disassembly work, thereby facilitating transportation.
[0010] The utility model further sets up: the middle part of two angle iron I and angle iron II is equipped with the placement groove, the appearance of placement groove is compatible with the one end of pull rod away from adjusting nut.
[0011] According to the advantages of the scheme, the placement groove matched with one end of the pull rod can stably place the pull rod in the placement groove, and finally, the pull rod is fixed on the angle irons I and II through the bolt assembly, so that loosening is prevented.
[0012] The utility model further sets up: the reinforcing strip is rotationally installed on two angle iron II, screw hole no.
[0013] According to the advantages of the scheme, the reinforcing strip, the fixed block, the screw hole II and the threaded rod are arranged, the reinforcing strip is rotated, the threaded rod in the reinforcing strip is rotated into the screw hole of the fixed block, and thus the positions of the four corners of the support frame are reinforced, so that the overall structural strength and stability of the support frame are improved.
[0014] The utility model further sets up: be equipped with the reinforcing rib board between the both side walls of fixed block and angle iron no.
[0015] The utility model has at least the following advantages in accordance with the scheme:
[0016] The utility model further sets up: symmetry has the rectangular groove on the threaded rod, is equipped with the insertion hole in the bottom of rectangular groove, insertion hole links two rectangular groove.
[0017] The utility model has at least the following advantages in accordance with the scheme:
[0018] The utility model further sets up: the bottom of rectangular groove is equipped with a plurality of antiskid protrusions, and the antiskid protrusions evenly distribute in the bottom of rectangular groove.
[0019] The utility model has at least the following advantages in accordance with the scheme:
[0020] The utility model has at least the following advantages in accordance with the scheme:
[0021] 1. by setting up angle iron no., angle iron no. 2, clamping groove and clamping block, when the electric box is prefabricated in the wall body, one of the adjusting support assemblies is installed on two angle iron no. 1 through bolt assembly, at this time, rotating adjusting nut, adjusting nut drives pull rod and the two angle iron no. 1 fixed in the end of pull rod to be close to each other, after adjusting, the installed two angle iron no. 1 and adjusting support assembly are placed in the electric box, and adjusting adjusting nut again, under the action of pull rod, the two angle iron no. 1 is away from each other and is supported on the inner wall of electric box, then the two angle iron no. 2 and adjusting support assembly are assembled together through the same way, and the two angle iron no. 2 are close to each other, the two angle iron no. 2 and adjusting support assembly after splicing are put into the electric box, and adjusting adjusting nut again, under the action of pull rod, the two angle iron no. 2 is away from each other and is supported on the inner wall of electric box, finally, the clamping block on angle iron no. 2 is placed in the clamping groove on mounting block, finally, locking nut is rotated to blind hole and bolt hole, and the support frame is formed and fixed, and is located in the inside of electric box, and plays a supporting role to electric box;
[0022] When disassembling the support frame, first loosen the locking nut and release the fixing of the counterbore and bolt hole, then lift the entire assembled two angle irons two and the adjusting support assembly to make the clamping block away from the clamping groove, then rotate the adjusting nut, the adjusting nut drives the pull rod to move on the adjusting nut, under the action of the pull rod and the two angle irons two away from each other, then take out from the electrical box, according to the above disassembly method, the two angle irons one are also taken out from the electrical box, finally the angle iron one, angle iron two and adjusting support assembly are separated to complete the disassembly work, thereby facilitating transportation;
[0023] 2、By setting the placing groove, the placing groove can make the pull rod stably placed in the placing groove, and finally fixed on the angle iron one and the angle iron two by the bolt assembly to prevent loosening;
[0024] 3、By opening the rectangular groove and the insertion hole, the operating personnel can conveniently rotate the reinforcing bar by clamping the wrench in the rectangular groove, and in the case of no wrench, a stick can be inserted into the insertion hole to provide a force point for the reinforcing bar, thereby facilitating the rotation of the reinforcing bar. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 It is the overall schematic view of the embodiment cooperating with the electrical box;
[0026] Figure 2 It is the overall schematic view of the embodiment;
[0027] Figure 3 It is the partial exploded schematic view of the embodiment;
[0028] Figure 4 It is the exploded schematic view of the angle iron one and the adjusting support assembly in the embodiment;
[0029] Figure 5 It is the exploded schematic view of the angle iron two and the adjusting support assembly in the embodiment;
[0030] Figure 6 It is Figure 3 the enlarged schematic view of part A.
[0031] Mark: 1, electrical box; 2, support frame; 201, angle iron one; 202, angle iron two; 3, mounting block; 301, clamping groove; 4, clamping block; 5, bolt hole; 6, counterbore; 7, locking nut; 8, adjusting support assembly; 801, pull rod; 802, adjusting nut; 9, bolt assembly; 10, placing groove; 11, reinforcing bar; 12, threaded hole one; 13, threaded rod; 14, fixed block; 15, threaded hole two; 16, tightening nut; 17, reinforcing rib plate; 18, rectangular groove; 19, insertion hole; 20, anti-skid protrusion. DETAILED DESCRIPTION
[0032] The utility model will be made further detailed illustration below combining the drawings.
[0033] A kind of inside support of strong, weak electric box of turnover, as shown in Figure 1 、 Figure 2 It includes electric box 1 and support frame 2, support frame 2 is detachably plugged by two angle iron one 201 and two angle iron two 202, and the left and right ends of two angle iron one 201 are fixed with mounting block 3, and the mounting block 3 is provided with clamping groove 301, and the left and right ends of angle iron two 202 are fixed with clamping block 4, and the clamping block 4 is matched with clamping groove 301, and a plurality of bolt holes 5 are formed on the surface of mounting block 3, and a plurality of countersunk holes 6 matched with bolt holes 5 are formed on angle iron two 202, and locking nuts 7 are threadedly connected in bolt holes 5 and countersunk holes 6, and two angle iron two 202 are plugged into the plug-in groove of fixed block 14 by clamping block 4 and form support frame 2;
[0034] As shown in Figure 3 、 Figure 4 、 Figure 5 Between two angle iron one 201 and between two angle iron two 202 are provided with adjustable support assembly 8, and adjustable support assembly 8 includes two pull rods 801 and adjusting nut 802 three parts, and one end of two pull rods 801 is threadedly connected with adjusting nut 802, and the end away from adjusting nut 802 is fixed in the middle of angle iron one 201 or angle iron two 202, and two adjustable support assemblies 8 are cross-shaped distributed in support frame 2, and bolt assembly 9 for fixing pull rod 801 is arranged in the middle of two angle iron one 201 and angle iron two 202.
[0035] As shown in Figure 4 、 Figure 5 In order to make the fixation of pull rod 801 and angle iron one 201 or angle iron two 202 more firm, in some embodiments, placing groove 10 is formed in the middle of two angle iron one 201 and angle iron two 202, and the shape of placing groove 10 is matched with the end of pull rod 801 away from adjusting nut 802. Pull rod 801 is stably placed in placing groove 10, and finally it is fixed on angle iron one 201 and angle iron two 202 by bolt assembly 9, to prevent loosening.
[0036] In some embodiments, in order to increase the overall structural strength of the support frame 2, reinforcing strips 11 are rotatably installed on the two angle irons two 202, threaded holes one 12 are formed in the reinforcing strips 11, threaded rods 13 are threadedly connected in the threaded holes, fixed blocks 14 are installed on the two angle irons one 201, threaded holes two 15 are formed in the fixed blocks 14, and fastening nuts 16 are installed on one end of the threaded rods 13. It is worth mentioning that reinforcing rib plates 17 are arranged between the two side walls of the fixed blocks 14 and the angle irons one 201, the reinforcing rib plates 17 increase the connection strength between the fixed blocks 14 and the angle irons one 201, improve the stability of the fixed blocks 14, and avoid the phenomenon of fracture of the fixed blocks 14.
[0037] As shown in Figure 6 In order to facilitate the rotation of the threaded rod 13, in some preferred embodiments, rectangular grooves 18 are symmetrically formed in the threaded rod 13, plug-in holes 19 are formed in the bottom of the rectangular grooves 18, the plug-in holes 19 are communicated with the two rectangular grooves 18, the reinforcing strip 11 is rotated by clamping the wrench in the rectangular groove 18, and in the absence of a wrench, a stick can be inserted into the plug-in hole 19 to provide a force point for the reinforcing strip 11, thereby facilitating the rotation of the reinforcing strip 11. It is worth mentioning that the bottom of the rectangular groove 18 is provided with a plurality of anti-skid protrusions 20, which are uniformly distributed on the bottom of the rectangular groove 18. The anti-skid protrusions 20 increase the friction between the wrench and the rectangular groove 18, and reduce the possibility of the wrench slipping out when rotating in the rectangular groove 18.
[0038] The working process and beneficial effects of the utility model are as follows:
[0039] When the electrical box 1 is prefabricated in the wall body, one of the adjusting support assemblies 8 is installed on the two angle irons one 201 through the bolt assembly 9, at this time the adjusting nut 802 is rotated, the adjusting nut 802 drives the pull rod 801 and the two angle irons one 201 fixed on the end of the pull rod 801 to approach each other, after adjustment, the installed two angle irons one 201 and the adjusting support assembly 8 are placed in the electrical box 1, and the adjusting nut 802 is adjusted again, the two angle irons one 201 are driven by the pull rod 801 to move away from each other and abut against the inner wall of the electrical box 1, then the two angle irons two 202 and the adjusting support assembly 8 are assembled together in the same way as described above, and the two angle irons two 202 approach each other, the two angle irons two 202 and the adjusting support assembly 8 after splicing are placed into the electrical box 1, and the adjusting nut 802 is adjusted again, the two angle irons two 202 are driven by the pull rod 801 to move away from each other and abut against the inner wall of the electrical box 1, finally the clamping block 4 on the angle iron two 202 is placed in the clamping groove 301 on the mounting block 3, and finally the locking nut 7 is rotated into the countersunk hole 6 and the bolt hole 5 to complete the fixation and form the support frame 2, which is located in the interior of the electrical box 1 and plays a supporting role for the electrical box 1;
[0040] After the angle iron one 201 and the angle iron two 202 are fixed, the threaded rod 13 is rotated by using a wrench or using a stick inserted in the insertion hole 19, and the threaded rod 13 is rotated into the threaded hole two 15 on the fixed block 14, so as to reinforce the four corner positions of the whole support frame 2, and improve the overall structural strength and stability of the support frame 2.
[0041] When the support frame 2 is disassembled, the threaded rod 13 is rotated by using a wrench or using a stick inserted in the insertion hole 19, the fixation of the threaded rod 13 and the threaded hole two 15 on the fixed block 14 is released, the locking nut 7 is loosened and the fixation of the counter-sunk hole 6 and the bolt hole 5 is released, then the whole spliced two angle iron two 202 and the adjusting support assembly 8 are lifted to make the clamping block 4 away from the clamping groove 301, then the adjusting nut 802 is rotated, the adjusting nut 802 drives the pull rod 801 to move on the adjusting nut 802, the two angle iron two 202 are driven to move away from each other by the pull rod 801, then they are taken out from the electric box 1, the two angle iron one 201 are also taken out from the electric box 1 according to the above disassembly method, finally the angle iron one 201, the angle iron two 202 and the adjusting support assembly 8 are separated, the disassembly work is completed, finally the support frame 2 is disassembled into each part, so as to facilitate the turnover.
[0042] The above only describes the preferred embodiments of the present application, and is not used to limit the present application, any modification, equivalent replacement, improvement, etc. within the design concept of the present application should be included in the protection scope of the present application.
Claims
1. A recyclable strong, weak electrical box internal support, comprising an electrical box (1) and a support frame (2), characterized in that: The support frame (2) is composed of two angle irons one (201) and two angle irons two (202) detachable insertion, the left and right ends of the two angle irons one (201) are fixedly provided with mounting blocks (3), the mounting blocks (3) are provided with clamping grooves (301), the left and right ends of the angle irons two (202) are fixedly provided with clamping blocks (4), the clamping blocks (4) are matched with the clamping grooves (301), a plurality of bolt holes (5) are formed in the surface of the mounting blocks (3), a plurality of countersunk holes (6) matched with the bolt holes (5) are formed in the angle irons two (202), lock nuts (7) are threadedly connected in the bolt holes (5) and the countersunk holes (6), the two angle irons two (202) are inserted into the insertion grooves of the fixed blocks (14) through the clamping blocks (4) and form the support frame (2); Between the two angle irons one (201) and between the two angle irons two (202), adjustable support assemblies (8) are arranged, the adjustable support assembly (8) comprises two pull rods (801) and an adjusting nut (802), one end of the two pull rods (801) is threadedly connected with the adjusting nut (802), and the other end away from the adjusting nut (802) is fixedly arranged on the middle part of the angle iron one (201) or the angle iron two (202), the two adjustable support assemblies (8) are cross-shaped distributed in the support frame (2), and bolt assemblies (9) for fixing the pull rods (801) are arranged on the middle parts of the two angle irons one (201) and the angle irons two (202).
2. A recyclable strong and weak electrical box internal support according to claim 1, characterized in that: The middle parts of the two angle irons one (201) and the angle irons two (202) are provided with placing grooves (10), and the shapes of the placing grooves (10) are matched with the other ends of the pull rods (801) away from the adjusting nuts (802).
3. A recyclable strong and weak electrical box internal support according to claim 2, wherein: The two angle irons two (202) are rotatably provided with reinforcing strips (11), the reinforcing strips (11) are provided with threaded holes one (12), the threaded holes one (12) are threadedly connected with threaded rods (13), the two angle irons one (201) are provided with fixed blocks (14), the fixed blocks (14) are provided with threaded holes two (15), and one end of the threaded rods (13) is provided with a fastening nut (16).
4. A recyclable strong and weak electrical box internal support according to claim 3, wherein: Between the two side walls of the fixed blocks (14) and the angle irons one (201), reinforcing rib plates (17) are arranged.
5. A recyclable strong and weak electrical box internal support according to claim 4, wherein: Symmetrical rectangular grooves (18) are formed in the threaded rods (13), and insertion holes (19) are formed in the bottoms of the rectangular grooves (18), and the insertion holes (19) are communicated with the two rectangular grooves (18).
6. A recyclable strong and weak electrical box internal support according to claim 5, wherein: The bottoms of the rectangular grooves (18) are provided with a plurality of anti-skid protrusions (20), and the anti-skid protrusions (20) are evenly distributed on the bottoms of the rectangular grooves (18).