A combined control cabinet
By employing detachable mounting strips and connecting components in the modular control cabinet, the problems of low connection efficiency, poor reliability, and space limitations of traditional control cabinets are solved, achieving rapid, stable installation and lightweight design.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- 合肥通快钣金科技有限公司
- Filing Date
- 2025-05-12
- Publication Date
- 2026-06-12
AI Technical Summary
Traditional modular control cabinets suffer from problems during installation, such as low connection efficiency, poor reliability, conflict between space limitations and ease of operation, and difficulty in balancing modular expansion and lightweight structure.
The design employs detachable mounting strips and connecting components, including positioning holes, mounting strips, connecting strips, and magnets. The mounting strips restrict lateral displacement, while the connecting components restrict vertical displacement. Combined with a semi-annular groove structure and magnetic adsorption, a fast and stable connection is achieved.
It improves installation efficiency, enhances connection strength, improves ease of operation, reduces cabinet weight, and meets the lightweight requirements of modular design.
Smart Images

Figure CN224356390U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of control cabinet technology, specifically a modular control cabinet. Background Technology
[0002] In the field of industrial automation control, modular control cabinets, as the integrated carrier of core equipment, directly affect the operating efficiency and maintenance costs of the entire control system due to their modular design, rapid installation capabilities, and structural stability. With the advent of Industry 4.0, flexible manufacturing systems and smart factories are increasingly demanding modular reconfiguration of control cabinets, and traditional fixed cabinets can no longer meet the requirements of rapid deployment and space optimization.
[0003] The current technological development of modular control cabinets faces multiple challenges:
[0004] 1. The contradiction between connection efficiency and reliability
[0005] Traditional mechanical connection methods (such as bolt fastening) can ensure connection strength, but the installation process is cumbersome. Taking a medium-sized control cabinet as an example, connecting a single cabinet requires operating 12-16 sets of bolts, with an installation time of 20-30 minutes, and frequent disassembly and assembly can easily lead to thread failure. Some manufacturers have tried to use quick-connect structures, but their lateral shear resistance is insufficient, and under a horizontal load of 1.5kN, a displacement of 3-5mm may occur, which is difficult to meet the installation requirements of precision instruments.
[0006] 2. Conflict between space constraints and ease of operation
[0007] As control cabinets become more integrated, the operating space for top connectors is increasingly limited. Traditional rotary latch or pin-type designs require multi-degree-of-freedom operation in confined spaces. Especially in high-altitude work scenarios, installers need to use a lifting platform to reach the top connectors, thus increasing the installation time of a single cabinet by 15-20 minutes, significantly increasing labor costs and operational risks.
[0008] 3. The trade-off between modular expansion and lightweight structure
[0009] To improve expandability, some solutions employ rail-mounted connections or wedge-locking designs, but this increases cabinet weight by 20%-30%, violating the lightweight principle of modular design. How to achieve structural weight reduction while maintaining connection strength has become a technological bottleneck in the industry. Utility Model Content
[0010] To address the aforementioned technical problems, this utility model provides a modular control cabinet.
[0011] To achieve the above objectives, the present invention provides the following technical solution: a modular control cabinet, comprising a control cabinet body, a base fixedly disposed at the bottom of the control cabinet body, a top seat fixedly disposed at the top of the control cabinet body, and a connecting mechanism disposed on the base and the top seat for detachable and fixed connection between adjacent control cabinet bodies. The connecting mechanism includes mounting strips detachably installed at both ends in corresponding positioning holes, and a connecting component disposed on the top seat that can detachably fix adjacent top seats. Positioning holes are provided on the symmetrical sides of the base.
[0012] When the mounting strip is inserted into the corresponding positioning holes of the two bases on both sides, it restricts the relative displacement of the two bases in the lateral direction.
[0013] When the connecting assembly fixes the position between the two top mounts, it restricts the relative vertical displacement of the two top mounts.
[0014] Preferably, the connecting strip is composed of two parallel strips, with the adjacent sides of the two strips fixedly connected and the included angle α between the two strips being greater than 15 degrees and less than 165 degrees; when the mounting strip passes through the positioning holes (4) of the two bases, the opposite sides of the two bases remain in contact.
[0015] Preferably, the angle between the two strips is 60 degrees.
[0016] Preferably, the top seat has a first connecting hole and a second connecting hole respectively on its symmetrical sides above the openings of the two positioning holes. The connector includes a connecting strip that slides through the first connecting hole and a connecting structure disposed on the top seat and controlling one end of the connecting strip to slide from the first connecting hole to the second connecting hole.
[0017] Preferably, both the first connecting hole and the second connecting hole are semi-annular groove structures, the connecting strip is a semi-annular structure and can rotate around the axis of the semi-annular structure, and the connecting structure includes a rotating column passing through the rotating hole and a rotating rod passing through the top seat laterally and having the rotating column and the side of the connecting strip fixedly connected at both ends respectively.
[0018] Preferably, the connector further includes a fixing structure disposed on the top seat and fixing the connecting strip in the first connecting hole. The fixing structure includes positioning magnets fixedly disposed at both ends of the bottom side of the connecting strip, and limiting magnets disposed in the first connecting hole and the second connecting hole. When the connecting strip passes through the first connecting hole, the limiting magnet and the positioning magnet on the connecting strip are positioned opposite each other. When one end of the connecting strip passes through the second connecting hole, the positioning magnet on the connecting strip and the limiting magnet in the second connecting hole are positioned opposite each other. When the positioning magnet and the limiting magnet are opposite each other, their magnetic poles are opposite.
[0019] Preferably, the connector further includes a fixing structure disposed on the top seat and fixing the connecting strip in the first connecting hole. The fixing structure includes a positioning ball that passes through the telescopic hole via a telescopic spring and is located at the opening of the telescopic hole. Telescopic holes are provided at both ends of the bottom of the connecting strip. When the connecting strip passes through the first connecting hole, the positioning ball disposed on the connecting strip passes through the locking hole opened in the first connecting hole. When one end of the connecting strip passes through the second connecting hole, the positioning ball disposed on the connecting strip passes through the locking hole opened in the second connecting hole.
[0020] The beneficial effects of this utility model are:
[0021] 1. Improved installation efficiency: The quick-connection of the mounting strip and positioning holes facilitates the installation of individual cabinets, thus improving installation efficiency.
[0022] 2. Improved connection strength: The installation strip with a double-long strip structure at a certain angle on both sides improves the lateral shear resistance at the connection point.
[0023] 3. Improved installation convenience: The top-mounted push-pull operating mechanism facilitates the installation speed between cabinets, improving the convenience of cabinet installation for staff. Attached Figure Description
[0024] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:
[0025] Figure 1 This is a schematic diagram of the combined control cabinet structure proposed in this utility model.
[0026] Figure 2 This is a schematic diagram of the control cabinet body and connecting mechanism of this utility model.
[0027] Figure 3 This is a schematic diagram of the cross-sectional structure of the top seat of this utility model.
[0028] Figure 4 This is a schematic diagram of the connecting mechanism of this utility model.
[0029] Figure 5 This is a schematic diagram of the connecting component structure of this utility model.
[0030] Figure 6 This is a schematic diagram of the internal structure of the telescopic hole of this utility model.
[0031] In the diagram: 1. Control cabinet body; 2. Base; 3. Top seat; 4. Positioning hole; 5. First connecting hole; 6. Connecting strip; 7. Rotating column; 8. Rotating rod; 9. Rotating hole; 10. Second connecting hole; 11. Positioning magnet; 12. Telescopic hole; 13. Positioning ball; 14. Telescopic spring; 15. Limiting magnet; 16. Mounting strip. Detailed Implementation
[0032] To make the technical means, creative features, and achieved objectives and effects of this utility model easier to understand, the present utility model is further described below with reference to specific embodiments and accompanying drawings. However, the following embodiments are only preferred embodiments of this utility model and not all of them. Other embodiments obtained by those skilled in the art based on the embodiments described in the embodiments without creative effort are all within the protection scope of this utility model.
[0033] Example 1: As Figures 1-6 As shown, a modular control cabinet includes a control cabinet body 1, a base 2 fixedly disposed at the bottom of the control cabinet body 1, a top seat 3 fixedly disposed at the top of the control cabinet body 1, and a connecting mechanism disposed on the base 2 and the top seat 3 for detachable and fixed connection between adjacent control cabinet bodies 1. The connecting mechanism includes mounting strips 16 detachably installed at both ends in corresponding positioning holes 4, and a connecting component disposed on the top seat 3 for detachable and fixed connection between adjacent top seats 3. Positioning holes 4 are provided on the symmetrical sides of the base 2. When the mounting strips 16 are respectively inserted into the corresponding positioning holes 4 of the two bases 2, the relative displacement of the two bases 2 in the lateral direction is restricted. When the connecting component fixes the position between the two top seats 3, the relative displacement of the two top seats 3 in the vertical direction is restricted.
[0034] In this embodiment, by opening positioning holes on the symmetrical sides of the base 2, and when installing and fixing the control cabinet body 1 with the control cabinet body 1, firstly, one side of the mounting strip 16 is inserted into the positioning hole 4 opened on the side of one of the bases 2, and then the base 2 at the bottom of the other control cabinet body 1 is fitted onto the other side of the mounting strip 16 through the positioning hole 4. At this time, the mounting strip 16 is in a V-shape, and the opposite sides are inserted into the corresponding positioning holes 4 of different bases 2. This can quickly limit the vertical relative displacement of the two control cabinet bodies 1, and fix the position between the two top seats 3 with the connecting components. This improves the installation efficiency and convenience between the control cabinet bodies 1, avoids the relative displacement between the two control cabinet bodies 1, and prevents the two control cabinet bodies 1 from moving vertically. This makes it easier to ensure that the two control cabinet bodies 1 are synchronously limited in the horizontal and vertical directions, improves the stability of the installation between the control cabinet bodies 1, that is, improves the connection strength.
[0035] like Figure 2As shown, in this embodiment, the connecting strip 6 consists of two parallel strips, with adjacent sides of the two strips fixedly connected and the included angle α between the two strips being greater than 15 degrees and less than 165 degrees. When the mounting strip 16 passes through the positioning holes 4 of the two bases 2, the opposite sides of the two bases 2 remain in contact. The angle between the two strips ensures that the mounting strip 16 fits well with the sides of the bases 2 when inserted into the positioning holes 4. This fit ensures precise alignment of the control cabinet during assembly and improves installation accuracy.
[0036] In this embodiment, the included angle between the two strips is preferably 60 degrees. The 60° included angle forms an equilateral triangle structure, which allows the installation strip 16 to achieve uniform stress distribution through geometric symmetry when under force, improving shear strength and significantly enhancing the fatigue resistance of the connection structure. Furthermore, this angle, together with the tapered design of the positioning hole 4, creates a self-locking effect. When the installation strip 16 is fully inserted, the 60° included angle and the tapered surface of the positioning hole produce a wedge fit, effectively preventing connection failure caused by equipment vibration.
[0037] like Figures 3-4 As shown in this embodiment, the top seat 3 has a first connecting hole 5 and a second connecting hole 10 respectively on its symmetrical sides above the openings of the two positioning holes 4. The connector includes a connecting strip 6 that slides through the first connecting hole 5 and a connecting structure that is set on the top seat 3 and controls one end of the connecting strip 6 to slide from the first connecting hole 5 to the second connecting hole 10. By setting the first connecting hole 5 and the second connecting hole 10 on the symmetrical sides of the top seat 3, and cooperating with the slidable connecting strip 6, a three-level connection state transition is realized. When the connecting strip 6 is completely located in the first connecting hole 5, the adjacent top seats 3 can be freely separated, which is convenient for independent transportation of a single cabinet. When the connecting strip 6 partially slides out of the first connecting hole 5, it forms a temporary fixation, which is convenient for subsequent precise positioning. When the end of the connecting strip 6 is completely inserted into the second connecting hole 10, the rigid connection of the top seat 3 is realized through the double hole constraint, which improves the shear strength of the installation between the control cabinet body 1 and the control cabinet body 2.
[0038] like Figures 3-4 As shown, in this embodiment, both the first connecting hole 5 and the second connecting hole 10 have a semi-annular groove structure, and the connecting strip 6 has a semi-annular structure that can rotate around the axis of the semi-annular structure. The connecting structure includes a rotating column 7 passing through the rotating hole 9 and a rotating rod 8 that runs horizontally through the top seat 3 and is fixedly connected at both ends to the rotating column 7 and the side of the connecting strip 6, respectively. By using the first connecting hole 5 and the second connecting hole 10 with a semi-annular groove structure, and in conjunction with the semi-annular connecting strip 6, a unique rotational and translational composite motion trajectory is constructed. Driven by the rotating column 7, the connecting strip 6 can rotate along the semi-annular arc surface, thereby facilitating the stable installation between the two top seats 3 through the connecting strip 6.
[0039] In this embodiment, the semi-circular structure forms a natural geometric constraint. When the connecting strip 6 rotates to the second connecting hole 10, its arc surface makes multi-point contact with the hole wall, automatically correcting the installation deviation and improving the installation accuracy between the control cabinet body 1 and the control cabinet body 1.
[0040] like Figures 3-5 As shown, in this embodiment, the connector also includes a fixing structure disposed on the top seat 3 and fixing the connecting strip 6 in the first connecting hole 5. The fixing structure includes positioning magnets 11 fixedly disposed at both ends of the bottom side of the connecting strip 6, and limiting magnets 15 disposed in the first connecting hole 5 and the second connecting hole 10. When the connecting strip 6 passes through the first connecting hole 5, the limiting magnet 15 disposed on the connecting strip 6 is opposite to the positioning magnet 11. When one end of the connecting strip 6 passes through the second connecting hole 10, the positioning magnet 11 disposed on the connecting strip 6 is opposite to the limiting magnet 15 located in the second connecting hole 10. When the positioning magnet 11 and the limiting magnet 15 are opposite, their magnetic poles are opposite.
[0041] In this embodiment, the three-level connection state is adaptively fixed by configuring the positioning magnet 11 and the limiting magnet 15 with opposite magnetic poles:
[0042] Storage state: When the connecting strip 6 is completely located in the first connecting hole 5, it is magnetically attracted, ensuring that the connecting strip 6 is stably located in the first connecting hole 5, preventing accidental slippage caused by transportation vibration;
[0043] Pre-connection state: When the connecting strip 6 slides out, it passes through the second connecting hole 10, which facilitates the pre-fixation between the control cabinet body 1 and the control cabinet body 1.
[0044] Locked state: When the connecting strip 6 is fully inserted into the second connecting hole 10, the magnetic attraction between the positioning magnet 11 and the limiting magnet 15 helps to ensure the stability of the position of the connecting strip 6 inside the second connecting hole 10, that is, to ensure the stability of the installation between the control cabinet body 1 and the control cabinet body 1.
[0045] like Figure 5 As shown, two structures for fixing the position of the connecting strip 6 are given. From left to right, the positioning ball 13 is fixed by magnetic force and elastic force to pass through the card hole, which ensures the stability of the connecting strip 6 passing through the first connecting hole 5, or the stability of one end of the connecting strip 6 passing through the second connecting hole 10.
[0046] like Figures 4-6As shown, in this embodiment, the connector also includes a fixing structure that is disposed on the top seat 3 and fixes the connecting strip 6 in the first connecting hole 5. The fixing structure includes a positioning ball 13 that passes through the telescopic hole 12 through the telescopic spring 14 and is located at the opening of the telescopic hole 12. Telescopic holes 12 are provided at both ends of the bottom of the connecting strip 6. When the connecting strip 6 passes through the first connecting hole 5, the positioning ball 13 disposed on the connecting strip 6 passes through the locking hole opened in the first connecting hole 5. When one end of the connecting strip 6 passes through the second connecting hole 10, the positioning ball 13 disposed on the connecting strip 6 passes through the locking hole opened in the second connecting hole 10.
[0047] In this embodiment, a progressive locking system is constructed through the precise cooperation between the positioning ball 13 and the locking hole:
[0048] Primary positioning: When the connecting strip 6 is located in the first connecting hole 5, the positioning ball 13 is pushed by the telescopic spring 14 to pass through the locking hole, thereby fixing the position of the connecting strip 6 in the first connecting hole 5;
[0049] Secondary calibration: When the connecting bar 6 rotates at a small angle, the positioning ball 13 moves from the card hole to the position of the hole wall of the first connecting hole 5. At this time, the positioning ball 13 moves into the telescopic hole 12 and compresses the telescopic spring 14.
[0050] Ultimate locking: After one end of the connecting strip 6 is inserted into the second connecting hole 10, the positioning ball 13 is inserted into another locking hole located in the first connecting hole 5, which makes it easy to fix the position of the connecting strip 6 at this time, thus ensuring the stability of the installation between the control cabinet body 1 and the control cabinet body 1.
[0051] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely preferred examples and are not intended to limit the utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.
Claims
1. A modular control cabinet, comprising a control cabinet body (1), a base (2) fixedly disposed at the bottom of the control cabinet body (1), a top seat (3) fixedly disposed at the top of the control cabinet body (1), and a connecting mechanism disposed on the base (2) and the top seat (3) for detachable and fixed connection between adjacent control cabinet bodies (1), characterized in that, The connecting mechanism includes mounting strips (16) that can be detachably installed in the corresponding positioning holes (4) at both ends, and connecting components that are set on the top seat (3) and can detachably fix adjacent top seats (3). Positioning holes (4) are provided on the symmetrical sides of the base (2). When the mounting strip (16) is inserted into the corresponding positioning holes (4) of the two bases (2) on both sides, it restricts the relative displacement of the two bases (2) in the lateral direction; When the connecting component fixes the position between the two top seats (3), it restricts the relative vertical displacement of the two top seats (3).
2. The modular control cabinet according to claim 1, characterized in that: The connecting strip (6) consists of two parallel strips, with the adjacent sides of the two strips fixedly connected and the included angle α between the two strips being greater than 15 degrees and less than 165 degrees; when the mounting strip (16) passes through the positioning holes (4) of the two bases (2), the opposite sides of the two bases (2) remain in contact.
3. A modular control cabinet according to claim 2, characterized in that: The angle between the two strips is 60 degrees.
4. A modular control cabinet according to any one of claims 1 to 3, characterized in that: The top seat (3) has a first connecting hole (5) and a second connecting hole (10) respectively on its symmetrical side above the opening positions of the two positioning holes (4). The connector includes a connecting strip (6) that slides through the first connecting hole (5) and a connecting structure that is set on the top seat (3) and controls one end of the connecting strip (6) to slide from the first connecting hole (5) to the second connecting hole (10).
5. A modular control cabinet according to claim 4, characterized in that: The first connecting hole (5) and the second connecting hole (10) are both semi-annular groove structures. The connecting strip (6) is a semi-annular structure and can rotate around the axis of the semi-annular structure. The connecting structure includes a rotating column (7) that passes through the rotating hole (9) and a rotating rod (8) that runs horizontally through the top seat (3) and is fixedly connected at both ends to the rotating column (7) and the side of the connecting strip (6).
6. A modular control cabinet according to claim 4, characterized in that: The connector also includes a fixing structure that is set on the top seat (3) and fixes the connecting strip (6) in the first connecting hole (5). The fixing structure includes positioning magnets (11) fixed at both ends of the bottom side of the connecting strip (6) and limiting magnets (15) set in the first connecting hole (5) and the second connecting hole (10). When the connecting strip (6) passes through the first connecting hole (5), the limiting magnet (15) on the connecting strip (6) is opposite to the positioning magnet (11). When one end of the connecting strip (6) passes through the second connecting hole (10), the positioning magnet (11) on the connecting strip (6) is opposite to the limiting magnet (15) in the second connecting hole (10). When the positioning magnet (11) and the limiting magnet (15) are opposite, their magnetic poles are opposite.
7. A modular control cabinet according to claim 4, characterized in that: The connector also includes a fixing structure that is set on the top seat (3) and fixes the connecting strip (6) in the first connecting hole (5). The fixing structure includes a positioning ball (13) that passes through the telescopic hole (12) through the telescopic spring (14) and is located at the opening of the telescopic hole (12). The bottom ends of the connecting strip (6) are provided with telescopic holes (12). When the connecting strip (6) passes through the first connecting hole (5), the positioning ball (13) on the connecting strip (6) passes through the locking hole opened in the first connecting hole (5). When one end of the connecting strip (6) passes through the second connecting hole (10), the positioning ball (13) on the connecting strip (6) passes through the locking hole opened in the second connecting hole (10).