Double-layer door plate structure of control cabinet and control cabinet with same
By welding studs to the outer door panel of the control cabinet and setting through grooves and fixing plates on the reinforcing ribs, the problems of large size and aesthetics of double-layer door panels are solved, and a compact and low-cost double-layer door panel design is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XIAMEN LIDE ELECTRICAL APPLIANCE MFG CO LTD
- Filing Date
- 2025-02-08
- Publication Date
- 2026-04-10
AI Technical Summary
The existing control cabinet's double-layer door panel structure results in a large door panel size due to the studs passing through the reinforcing ribs and being fixed with nuts. Furthermore, the weld points or marks on the back of the outer door panel affect the aesthetics, requiring additional surface treatment processes.
Studs are welded to the surface of the outer door panel using spot welding, and through grooves and clearance holes are made on the reinforcing ribs. Fixing plates are welded to the openings of the through grooves to fit with nuts. The inner door panel covers the reinforcing ribs to prevent nuts from passing through the reinforcing ribs for fixing, thereby reducing the distance between the inner and outer door panels.
While ensuring the structural strength of the door panel, the volume of the double-layer door panel was reduced, avoiding additional surface treatment processes and lowering manufacturing costs.
Smart Images

Figure CN224111405U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to door plate structure technical field, especially a double -deck door plate structure of control cabinet and have its control cabinet. BACKGROUND
[0002] In modern industrial automation and electrical control system, control cabinet plays a vital role. They usually contain various electrical components, such as circuit breaker, contactor, relay, measuring instrument, PLC controller, etc., for realizing the control and protection of mechanical equipment. With the development of technology, higher requirements are put forward for the safety, reliability, maintenance convenience and cost effectiveness of control cabinet. In the current technical scheme, the door plate of control cabinet often adopts double -deck structure, and the reinforcing rib is fixed between the double -deck structure through stud and nut. However, using the above structure, the stud passes through the reinforcing rib to cooperate with the nut, so that the distance between the inner door plate and the outer door plate is larger, and the volume of the double -deck door plate is increased. And the stud is welded on the outer door plate, which is easy to leave obvious welding spots or traces on the back of the outer door plate, affecting the appearance, and often requiring additional surface treatment process. SUMMARY
[0003] The utility model aims at at least one of the above technical problems in the technical field. Therefore, the purpose of the utility model is to provide a double -deck door plate structure of control cabinet and have its control cabinet, so as to reduce the volume of double -deck door plate on the basis of ensuring the strength of double -deck door plate structure, and without additional surface treatment process, reduce the manufacturing cost.
[0004] To achieve the above purpose, the embodiment of the utility model provides a double -deck door plate structure of control cabinet, comprising:
[0005] The outer door plate is welded with a plurality of studs on one surface;
[0006] At least one reinforcing rib, the reinforcing rib is provided with a through slot along the length direction, the bottom of the through slot is provided with an avoiding hole for the nut to pass through along the length direction, the slot of the through slot is welded with a fixing piece, and the fixing piece is provided one -to -one with the avoiding hole; The stud can pass through the fixing piece to cooperate with the nut to realize the fixation of the reinforcing rib;
[0007] The inner door plate can be covered on one side surface of the outer door plate with stud, and cover all the reinforcing ribs.
[0008] According to the double-layer door plate structure of the embodiment of the utility model, the outer door plate is butt-welded with a plurality of studs on one surface, the butt-welding mode can avoid leaving obvious welding points or welding traces on the back surface of the outer door plate, thus, without additional surface treatment process, the cost is reduced, the through slot is provided on the reinforcing rib along the length direction, the bottom of the through slot is provided with the avoiding hole for the nut to pass through along the length direction, and the fixed sheet is welded on the slot of the through slot, the fixed sheet is arranged one-to-one with the avoiding hole, the stud can pass through the fixed sheet to cooperate with the nut to realize the fixation of the reinforcing rib, the inner door plate can be covered on the one surface of the outer door plate with the stud, and all the reinforcing ribs are covered.
[0009] In addition, the double-layer door plate structure of the control cabinet according to the above embodiment of the utility model can also have the following additional technical features:
[0010] Optionally, the bottom of the reinforcing rib is provided with a plurality of first fixed holes along the length direction, a plurality of second fixed holes are provided on the inner door plate, and the first fixed hole and the second fixed hole correspond one-to-one.
[0011] Optionally, the reinforcing rib comprises at least one first reinforcing rib arranged horizontally and at least one second reinforcing rib arranged longitudinally.
[0012] Optionally, the slot of the through slot is provided with a notch on both sides, the notch is provided with a first protrusion, both sides of the fixed sheet are provided with two second protrusions, the two second protrusions are inserted into the notch and located on both sides of the first protrusion for welding.
[0013] Optionally, the width of the fixed sheet is equal to the width of the reinforcing rib.
[0014] Optionally, the area of the inner door plate is smaller than the area of the outer door plate, so that the outer edge of the inner door plate and the outer edge of the outer door plate have a certain distance.
[0015] The embodiment of the utility model provides a control cabinet which comprises the double-layer door plate structure of any one of the above embodiments. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a structural schematic view of the double-layer door plate structure of the control cabinet according to one embodiment of the utility model;
[0017] Figure 2 It is a structural schematic view of the double-layer door plate structure of the control cabinet according to one embodiment of the utility model; Figure 1 It is a local enlarged view of A in the middle.
[0018] Figure 3 Structure diagram of the double-layer door plate structure of the control cabinet according to an embodiment of the present application without the inner door plate;
[0019] Figure 4 For Figure 3 The local enlarged view at B;
[0020] Figure 5 Structure diagram of the reinforcing rib according to an embodiment of the present application;
[0021] Figure 6 For Figure 5 The local enlarged view at C.
[0022] Label explanation: outer door plate 100, reinforcing rib 200, avoiding hole 210, fixed sheet 220, first fixed hole 230, inner door plate 300, second fixed hole 310. DETAILED DESCRIPTION
[0023] The embodiments of the present application will be described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary and are intended to explain the present application, and should not be understood as a limitation of the present application.
[0024] In order to better understand the above technical solutions, the exemplary embodiments of the present application will be described in more detail below with reference to the accompanying drawings. Although the exemplary embodiments of the present application are shown in the drawings, it should be understood that the present application can be implemented in various forms and should not be limited by the embodiments described herein. On the contrary, these embodiments are provided to enable a more thorough understanding of the present application and to fully convey the scope of the present application to those skilled in the art.
[0025] In order to better understand the above technical solutions, the above technical solutions will be described in detail below in combination with the drawings and specific embodiments.
[0026] Please refer to Figures 1 to 6 The embodiments of the present application provide a double-layer door plate structure of a control cabinet, which comprises an outer door plate 100, an inner door plate 300 and at least one reinforcing rib 200.
[0027] Specifically, a plurality of studs are spot-welded on one surface of the outer door plate 100. Among them, spot welding is a resistance welding technology, which can form a welding point on the contact surface of the outer door plate 100 and the stud by using a columnar electrode, so that no obvious welding point or welding mark is left on the back surface of the outer door plate 100, thereby eliminating the need for additional surface treatment process and reducing cost.
[0028] Need to explain, several studs can be spaced in the transverse, longitudinal and / or oblique way, the skilled in the art can choose the welding position of the stud according to the actual need, this application does not make special limitation.
[0029] Please refer to Figures 3 to 6 The reinforcing rib 200 is provided with a through slot along the length direction, so that the cross section of the reinforcing rib 200 is in the shape of "C". Thus, the weight of the reinforcing rib 200 can be reduced on the basis of ensuring the structural strength of the reinforcing rib 200. The bottom of the through slot is provided with a avoiding hole 210 for nut along the length direction, it should be understood that the size of the avoiding hole 210 is matched with the size of the nut used. The groove of the through slot is welded with a fixing piece 220, the fixing piece 220 is provided one by one corresponding to the avoiding hole 210, and the fixing piece 220 is provided with a through hole for the stud. Thus, the stud passes through the fixing piece 220 through the through hole, and the nut can be locked inside the reinforcing rib 200 without protruding from the reinforcing rib 200, reducing the distance between the inner door plate 300 and the outer door plate 100, and further reducing the volume required by the double door plate.
[0030] The inner door plate 300 can be covered on the side surface of the outer door plate 100 with studs, and cover all the reinforcing ribs 200, so as to avoid the exposure of the reinforcing rib 200 and affect the appearance. In an example, the inner door plate 300 and the outer door plate 100 can be connected by a buckle structure, so as to facilitate the installation and disassembly of the inner door plate 300.
[0031] In an embodiment, the bottom of the reinforcing rib 200 is provided with a plurality of first fixing holes 230 along the length direction, and the inner door plate 300 is provided with a plurality of second fixing holes 310, and the first fixing hole 230 and the second fixing hole 310 correspond one by one. Thus, the worker can lock the inner door plate 300 and the reinforcing rib 200 by rivets and other fixing members, so as to ensure the stability of the installation of the inner door plate 300 and avoid the falling of the inner door plate 300.
[0032] Please refer to Figure 3 In an embodiment, in order to ensure the stability of the door plate structure, the number of reinforcing ribs 200 can be multiple, which can include at least one first reinforcing rib 200 arranged transversely and at least one second reinforcing rib 200 arranged longitudinally. Thus, the worker can lock a plurality of reinforcing ribs 200 on the outer door plate 100 to form a specific shape, such as "mouth" shape, "day" shape and the like, according to the actual need, so as to improve the structural strength of the door plate structure.
[0033] Please refer to Figure 5 and Figure 6In an embodiment, the slot is provided with a notch at both sides of the slot mouth, and the notch is provided with a first protrusion. The fixing sheet 220 is provided with two second protrusions at both sides, and the two second protrusions are inserted into the notch and located at both sides of the first protrusion. In this way, the fixing sheet 220 and the reinforcing rib 200 can be positioned during welding, and the displacement of the fixing sheet 220 during welding can be prevented. In addition, the welding contact surface between the fixing sheet 220 and the reinforcing rib 200 can be increased by the first protrusion and the second protrusion, and the welding quality can be ensured.
[0034] Further, the width of the fixing sheet 220 is equal to the width of the reinforcing rib 200. It should be noted that the width of the fixing sheet 220 is the farthest distance in the same direction as the width direction of the reinforcing rib 200, so that the fixing sheet 220 does not protrude from the reinforcing rib 200. This can not only facilitate welding and ensure welding quality, but also prevent the fixing sheet 220 from protruding from the reinforcing rib 200 and causing injury to personnel or the outer door plate 100.
[0035] In an embodiment, the area of the inner door plate 300 is smaller than the area of the outer door plate 100, so that there is a certain distance between the outer edge of the inner door plate 300 and the inner edge of the outer door plate 100. This facilitates the work personnel to set other structures at the space formed by the distance, for example, by setting a hinge structure in the space to realize the connection with the control cabinet body.
[0036] In an embodiment of the utility model, a control cabinet is also provided, and the control cabinet comprises the double-layer door plate structure according to any one of the above embodiments. Thus, by the double-layer door plate structure, the outer door plate 100, the inner door plate 300 and at least one reinforcing rib 200 are included, wherein the outer door plate 100 is provided with a plurality of studs on one surface and is welded by butt welding. The butt welding can avoid obvious welding points or welding traces on the back surface of the outer door plate 100, so that an additional surface treatment process is not needed, the cost is reduced, the reinforcing rib 200 is provided with a slot along the length direction, the bottom of the slot is provided with an avoiding hole 210 for the nut along the length direction, and the slot mouth is welded with a fixing sheet 220, the fixing sheet 220 is provided in one-to-one correspondence with the avoiding hole 210, the stud can pass through the fixing sheet 220 to cooperate with the nut to fix the reinforcing rib 200, and the inner door plate 300 can be covered on the surface of the outer door plate 100 with the stud and cover all the reinforcing ribs 200. Thus, the nut does not need to pass through the entire reinforcing rib 200 to cooperate with the nut, the distance between the inner door plate 300 and the outer door plate 100 can be reduced on the basis of ensuring the strength of the door plate structure, and the volume of the double-layer door plate is reduced.
[0037] In the description of the utility model, it is understood that the orientation or positional relation indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like is the orientation or positional relation based on the drawings shown, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.
[0038] In the utility model, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature to the second feature can include that the first and second features are in direct contact, or can include that the first and second features are not in direct contact but are in contact through another feature between them.
[0039] In the description of the specification, the description referring to the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms should not be understood as necessarily referring to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art can combine and combine different embodiments or examples described in the specification.
[0040] Although the embodiments of the utility model have been shown and described above, it can be understood that the above-mentioned embodiments are exemplary and cannot be understood as limiting the utility model, and those skilled in the art can change, modify, replace and modify the above-mentioned embodiments within the scope of the utility model.
Claims
1. A double door panel structure of a control cabinet, characterized by, The application relates to a double-layer door plate structure. The outer door plate is provided with a plurality of studs on one surface; At least one reinforcing rib is provided with a through slot along the length direction of the reinforcing rib, the bottom of the through slot is provided with a plurality of avoiding holes for nuts along the length direction of the through slot, the slot mouth of the through slot is welded with a fixing sheet, and the fixing sheet is arranged in one-to-one correspondence with the avoiding holes; the stud can pass through the fixing sheet to cooperate with the nut to realize the fixation of the reinforcing rib; The inner door plate can be covered on the side surface of the outer door plate with the stud and covers all the reinforcing ribs.
2. The double-layer door panel structure according to claim 1, wherein The bottom of the reinforcing rib is provided with a plurality of first fixing holes along the length direction of the reinforcing rib, and the inner door plate is provided with a plurality of second fixing holes; the first fixing holes and the second fixing holes are in one-to-one correspondence.
3. The double-layer door panel structure according to claim 1, wherein The reinforcing rib comprises at least one first reinforcing rib arranged in the transverse direction and at least one second reinforcing rib arranged in the longitudinal direction.
4. The double-layer door panel structure according to claim 1, wherein The slot mouth of the through slot is provided with a notch matched with the fixing sheet on both sides, and a first protrusion is arranged on the notch; two second protrusions are arranged on both sides of the fixing sheet, the two second protrusions are inserted into the notch and are respectively located on both sides of the first protrusion for welding.
5. The double-layer door panel structure according to claim 4, wherein The width of the fixing sheet is equal to the width of the reinforcing rib.
6. The double-layer door panel structure according to claim 1, wherein The area of the inner door plate is smaller than the area of the outer door plate, so that a certain distance is formed between the outer edge of the inner door plate and the inner edge of the outer door plate.
7. A control cabinet, characterized in that The application relates to a double-layer door plate structure. The application relates to a double-layer door plate structure.