Low-voltage power distribution cabinet with internal protection device
By using a modularly designed secondary cabinet and a detachable installation structure, the problem of difficulty in adding electrical appliances and cabling to existing low-voltage distribution cabinets has been solved, enabling flexible expansion of electrical appliances and cabling.
Patent Information
- Application Number
- CN202522453651.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-19
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-11-19
AI Technical Summary
Once the brackets in the existing low-voltage distribution cabinets are fixed in place, it becomes difficult to add electrical appliances and cabling, which limits their application.
The modularly designed secondary cabinet of the power distribution cabinet can be detached and installed using limit slots, limit posts, pre-tightening wheels, and rotary knobs. Combined with a detachable assembly plate and mounting pins to adjust the position, it increases its applicability.
It enables modular disassembly and installation of the power distribution cabinet, facilitating the flexible addition of electrical appliances and wiring, and expanding its application scope.
Smart Images

Figure CN223729267U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to power distribution cabinet technical field especially with internal protection device's low voltage power distribution cabinet. BACKGROUND
[0002] Now in order to safe electricity, all low voltage power distribution cabinets will be installed with the earth leakage protector, some will install water induction protection device, and the user will tell the manufacturer according to the actual use of the number of appliances, wire arrangement when purchasing this kind of power distribution cabinet, and the manufacturer installs the internal support again, and the manufacturer will use screw to fix these supports, when the subsequent user installs the appliance and wire again, it is very difficult, can only find the unused space to fix the installation, which greatly limits the subsequent use range. CONTENT OF THE UTILITY MODEL
[0003] The utility model aims at solving the following shortcomings in the prior art, because the support is fixed and installed according to the actual number of appliances and wire, it is very difficult for the subsequent user to install the appliance and wire again, can only find the unused space to fix the installation, which greatly limits the subsequent use range, and a low voltage power distribution cabinet with internal protection device is provided.
[0004] In order to achieve the above object, the utility model adopts the following technical scheme:
[0005] A low voltage power distribution cabinet with internal protection device, including power distribution cabinet main cabinet, the power distribution cabinet main cabinet is installed with the earth leakage protector, one side of power distribution cabinet main cabinet is installed with a plurality of power distribution cabinet secondary cabinets, a plurality of limit slots are formed in the side of each power distribution cabinet secondary cabinet, the other side of power distribution cabinet secondary cabinet is formed with the limit post matched with the limit slot, wherein two limit posts that are diagonally symmetrical are concave, the side of power distribution cabinet secondary cabinet is rotatably connected with the pivot, the one end of pivot is provided with the pre-tightening wheel that the cross section is triangular, the other end of pivot penetrates power distribution cabinet secondary cabinet and is installed with the rotary knob.
[0006] Preferably, at least one assembly plate one is installed in the inner side wall of each power distribution cabinet secondary cabinet, and assembly plate two is detachably connected to the two ends of assembly plate one.
[0007] Preferably, the two ends of assembly plate one are integrally formed with a latch, and assembly slot is symmetrically arranged on assembly plate two, and the latch is clamped in the assembly slot.
[0008] Preferably, the assembly slot is strip-shaped, and the upper inside is hollow.
[0009] Preferably, a plurality of mounting pins in vertical arrangement are equidistantly arranged on the inner wall of power distribution cabinet secondary cabinet, and assembly plate two is clamped on the mounting pin.
[0010] Preferably, the rotating knob is wrapped with a rubber sleeve.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] Through the modular design and dismounting and installation of the power distribution cabinet secondary cabinet, when new electric appliances and new wire harnesses need to be added subsequently, only one power distribution cabinet secondary cabinet is added according to the above steps, and the application range of the whole cabinet is greatly increased. BRIEF DESCRIPTION OF DRAWINGS
[0013] Fig. 1 A front structure schematic diagram of a low-voltage power distribution cabinet with an internal protection device is provided in the utility model.
[0014] Fig. 2 A partial structure schematic diagram of the power distribution cabinet secondary cabinet is provided.
[0015] Fig. 3 A partial structure schematic diagram of the pre-tightening wheel is provided.
[0016] In the figure: 1 power distribution cabinet main cabinet, 2 rotating knob, 3 power distribution cabinet secondary cabinet, 4 pre-tightening wheel, 5 rotating shaft, 6 limiting column, 7 limiting groove, 8 assembly plate one, 9 bolt, 10 assembly plate two, 11 mounting pin, 12 assembly groove. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.
[0018] The terms such as "up", "down", "left", "right", "middle" and "one" cited in the utility model are only for the convenience of clear description, and are not used to limit the scope of the utility model. The change or adjustment of the relative relationship is also regarded as the scope of the utility model without substantial change of the technical content.
[0019] Referring to Figs. 1-3The utility model provides a low voltage distribution cabinet with internal protection device, including distribution cabinet main cabinet 1, install the earth leakage protector in distribution cabinet main cabinet 1, and the earth leakage protector belongs to prior art, and the working principle is not detailed, and the one side of distribution cabinet main cabinet 1 is installed with multiple distribution cabinet secondary cabinet 3, and the one side of every distribution cabinet secondary cabinet 3 is provided with multiple limiting slot 7, and the other side of distribution cabinet secondary cabinet 3 is provided with the limiting post 6 matched with limiting slot 7, wherein two limiting posts 6 that are diagonally symmetrical are concave, and the one side of distribution cabinet secondary cabinet 3 is rotatably connected with the pivot 5, and the one end of pivot 5 is provided with the pre-tightening wheel 4 that is triangular in cross section, wherein the pre-tightening wheel 4 is located in the concave limiting post 6, and the both sides end surface of pre-tightening wheel 4 is inclined, so that the whole pre-tightening wheel 4 is not thick, and the other end of pivot 5 penetrates distribution cabinet secondary cabinet 3 and is installed with the rotary knob 2, and the rotary knob 2 is wrapped with a layer of rubber sleeve, first, according to the electric appliance quantity, the wire quantity etc. of the user's use to determine the height of the whole distribution cabinet, then select the number of distribution cabinet secondary cabinet 3, and install mutually between the upper and lower two, namely, limiting post 6 is inserted into limiting slot 7, then rotary knob 2 is rotated, and pre-tightening wheel 4 is driven by pivot 5, here, pre-tightening wheel 4 is made of rubber and plastic, and has high elasticity, and half of pre-tightening wheel 4 is in the concave space of limiting post 6, and the other half is not in the concave space of limiting post 6, when pre-tightening wheel 4 rotates, thick end slowly enters the concave space of limiting post 6, and the relatively thin end slowly rotates out of the concave space of limiting post 6, when thick end rotates in, it constantly extrudes the inner side wall of limiting post 6, and the friction generated by the extrusion makes limiting post 6 fixed in limiting slot 7 and not easy to separate, when it is needed to separate distribution cabinet secondary cabinet 3, reverse rotation can be carried out, when it is needed to add new electric appliance and new wire subsequently, only need to install another distribution cabinet secondary cabinet 3 according to the above steps, which greatly increases the application range of the whole cabinet, and the rubber pad on rotary knob 2 can increase the friction, facilitating rotation.
[0020] At least one assembly plate one 8 is installed in the inner side wall of every distribution cabinet secondary cabinet 3, and the both ends of assembly plate one 8 are detachably connected with assembly plate two 10, and the both ends of assembly plate one 8 are integrally formed with the latch 9, and the assembly plate two 10 is symmetrically provided with the assembly slot 12, and the latch 9 is clamped in the assembly slot 12, and the assembly slot 12 is strip-shaped and hollow upward, so that the position of assembly plate one 8 can be moved at will according to requirements, and when the position is selected, the latch 9 on assembly plate one 8 is clamped in the assembly slot 12, since the assembly slot 12 is not provided with a grid and is a whole space, the position error can be accurate to millimeter, facilitating the movement of assembly plate one 8 at will during maintenance, so that the hand of the worker can be inserted to detect and maintain.
[0021] The inner wall of the power distribution cabinet secondary cabinet 3 is provided with a plurality of mounting pins 11 arranged vertically at equal intervals, the assembly plate two 10 is clamped on the mounting pins 11, the arrangement of the mounting pins 11 is used for adjusting the height of the assembly plate two 10, the mounting pins 11 are screw-connected on the power distribution cabinet secondary cabinet 3, the number of the mounting pins 11 is generally two, and a plurality of mounting pins 11 can also be selected, appropriate height is selected, the two mounting pins 11 are rotated into the side wall of the power distribution cabinet secondary cabinet 3, then the assembly plate two 10 is clamped on the mounting pins 11, and the remaining holes can be used as heat dissipation holes, so as to play the role of air circulation.
[0022] In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting", "fixing" and the like should be understood broadly.
[0023] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.
Claims
1. A low-voltage power distribution cabinet with internal protection device, comprising a power distribution cabinet main cabinet (1), a leakage protector is installed in the power distribution cabinet main cabinet (1), characterized in that The side of the power distribution cabinet main cabinet (1) is provided with a plurality of power distribution cabinet secondary cabinets (3), the side of each power distribution cabinet secondary cabinet (3) is provided with a plurality of limiting grooves (7), the other side of the power distribution cabinet secondary cabinet (3) is provided with limiting columns (6) matched with the limiting grooves (7), wherein the two limiting columns (6) arranged in an inclined symmetry are concave, the side of the power distribution cabinet secondary cabinet (3) is rotatably connected with a rotating shaft (5), one end of the rotating shaft (5) is provided with a pre-tightening wheel (4) with a triangular cross section, the other end of the rotating shaft (5) penetrates the power distribution cabinet secondary cabinet (3) and is provided with a rotating knob (2).
2. A low voltage distribution switchgear with internal protection according to claim 1, characterized in that, The inner side wall of each power distribution cabinet secondary cabinet (3) is provided with at least one assembly plate one (8), and the two ends of the assembly plate one (8) are detachably connected with an assembly plate two (10).
3. A low voltage distribution switchgear with internal protection according to claim 2, characterized in that, The two ends of the assembly plate one (8) are integrally provided with a latch (9), and the assembly plate two (10) is symmetrically provided with an assembly groove (12), and the latch (9) is clamped in the assembly groove (12).
4. A low voltage distribution switchgear with internal protection according to claim 3, characterized in that, The assembly groove (12) is strip-shaped and hollow upward.
5. A low voltage distribution switchgear with internal protection according to claim 4, characterized in that, The inner wall of the power distribution cabinet secondary cabinet (3) is provided with a plurality of mounting pins (11) arranged vertically at equal intervals, and the assembly plate two (10) is clamped on the mounting pin (11).
6. A low voltage distribution switchgear with internal protection according to claim 5, characterized in that, The rotating knob (2) is wrapped with a layer of rubber sleeve.