Transformer control box convenient to disassemble

By employing stepped buckles, locking blocks, and telescopic rod spring mechanisms in the small transformer control box, the problem of inconvenient disassembly in the existing technology is solved, enabling convenient box cover disassembly and a tighter connection.

CN223898847UActive Publication Date: 2026-02-10BAODING TIANWEI BAOBIAN ELECTRICAL
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Patent Information

Application Number
CN202520024021.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-06
Publication Date
2026-02-10
Estimated Expiration
2035-01-06

AI Technical Summary

Technical Problem

The existing small transformer control box has its body and cover connected by screws, which makes disassembly inconvenient, requires tools, and is cumbersome.

Method used

The box body and lid are connected by stepped buckles and blocks, combined with a telescopic rod and spring mechanism to achieve quick disassembly of the lid.

Benefits of technology

The lid can be quickly removed from the box, making operation more convenient, the connection tighter, and simplifying the testing process.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a transformer control box convenient to disassemble. The control box comprises a box body and a box cover, the box cover is detachably connected to the box body, and the box body and the box cover form a hollow box body; a plurality of groups of clamping blocks are arranged on the box body, buckles corresponding to the plurality of groups of clamping blocks are connected to the surface, facing the box body, of the box cover, the buckles and the clamping blocks are step-shaped, and the buckles are matched with the clamping blocks to connect the box cover and the box body; multiple groups of limiting grooves are formed in the surface of the side, facing the box cover, of the box body, and limiting strips corresponding to the multiple groups of limiting grooves are connected to the surface of the side, facing the box body, of the box cover; according to the control box, the step-shaped buckles are arranged to be matched with the clamping blocks to connect the box body and the box cover, an original screw connection mode is replaced with the connection mode, the box cover can be rapidly detached from the box body, the whole detaching process is more convenient, and the box body and the box cover are connected more tightly through the step-shaped buckles and the clamping blocks.
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Description

Technical Field

[0001] This utility model belongs to the field of transformer technology, specifically relating to a transformer control box that is easy to disassemble. Background Technology

[0002] Small transformers mainly refer to single-phase transformers below 20kVA and three-phase transformers below 50kVA. Their characteristics include small size, low cost, and minimal wiring requirements. Small transformers generally have lower load rates and utilization rates. The inductive loads they carry are typically not capacitively compensated. Small transformers are commonly used equipment in factory electrical control systems. With the widespread application of electronic components in power plant control, monitoring, and automatic circuits, the use of small transformers is becoming increasingly widespread.

[0003] Small transformers typically require regular inspections to ensure their safe and stable operation. However, existing small transformer control boxes usually use screws to connect the enclosure and cover. Therefore, when inspecting the transformer, the screws must be removed before the cover can be opened. This requires tools and is very inconvenient. Therefore, a control box is designed to solve this problem. Summary of the Invention

[0004] The purpose of this invention is to provide a control box with a simple structure and reasonable design in order to solve the above problems.

[0005] This utility model achieves the above objectives through the following technical solutions:

[0006] A transformer control box that is easy to disassemble includes a box body and a box cover, wherein the box cover is detachably connected to the box body, and the box body and the box cover form a hollow box body.

[0007] The box body is provided with multiple sets of locking blocks, and the surface of the box lid facing the box body is connected with buckles corresponding to the multiple sets of locking blocks. Both the buckles and the locking blocks are stepped, and the buckles cooperate with the locking blocks to connect the box lid and the box body.

[0008] The surface of the box body facing the lid has multiple sets of limiting grooves, and the surface of the lid facing the box body is connected to limiting strips corresponding to the multiple sets of limiting grass. The limiting grooves cooperate with the limiting strips to limit the installation position of the lid.

[0009] As a further optimization of this utility model, a rotating plate is rotatably connected to the surface of the box lid, and the buckle is connected to the surface of the rotating plate. At least two sets of buckles are provided. A connecting member is rotatably connected to the surface of the rotating plate, and the connecting member extends to the outside of the box body. The connecting member drives the rotating plate to rotate.

[0010] As a further optimization of this utility model, a groove is provided on the surface of the box body near the box cover, and the connector extends into the groove.

[0011] As a further optimization of this utility model, the connecting member is a telescopic rod. When the telescopic rod is pushed, it retracts to drive the rotating plate to rotate.

[0012] As a further optimization of this utility model, the telescopic rod includes a fixed rod, a movable rod, and a compression spring. The fixed rod is sleeved on the surface of the movable rod. One end of the compression spring is connected to the inner wall of the fixed rod away from the movable rod, and the other end is connected to the end of the movable rod located inside the fixed rod. The end of the movable rod away from the fixed rod is rotatably connected to the rotating plate, and the end of the fixed rod away from the movable rod passes through the sliding groove.

[0013] As a further optimization of this utility model, the surface of the box cover is connected to a slide rail, the inner wall of the slide rail is slidably connected to a slider, and the slider is connected to a fixed rod.

[0014] As a further optimization of this utility model, a connecting plate is connected to the surface of the buckle, and a backing plate is connected to the surface of the box cover. The backing plate is in contact with the connecting plate, and the contact surface is an inclined surface.

[0015] As a further optimization of this utility model, a fixing plate is connected to the surface of the box cover, and a tension spring is connected to the surface of the fixing plate, with one end of the tension spring connected to the surface of the abutment plate.

[0016] As a further optimization of this utility model, the surface of the abutment away from the tension spring and the inclined surface are provided with ball grooves, and the ball grooves are connected to rolling balls, which are in contact with the connecting plate.

[0017] As a further optimization of this utility model, a baffle is connected to the surface of the fixed rod away from the movable rod, and the baffle moves along the surface of the middle frame to block the sliding groove.

[0018] The beneficial effects of this utility model are as follows: This utility model connects the box body and the box lid by setting a stepped buckle and a locking block. This connection method replaces the original method of using screws, which makes the box lid quick to remove from the box body. The whole disassembly process is more convenient. In addition, the stepped buckle and locking block make the connection between the box body and the box lid tighter. Attached Figure Description

[0019] Figure 1 This is a schematic diagram showing the connection between the box body and the box lid of this utility model;

[0020] Figure 2 This is a schematic diagram of the box structure of this utility model;

[0021] Figure 3 This is a schematic diagram of the box lid structure of this utility model;

[0022] Figure 4 This is an enlarged view of the card block and buckle structure of this utility model;

[0023] Figure 5 This is a schematic diagram of the telescopic rod structure of this utility model;

[0024] Figure 6 This is a schematic diagram showing the positions of the connecting plate and the abutment plate of this utility model;

[0025] Figure 7 This is a schematic diagram of the abutment structure of this utility model;

[0026] Figure 8 This is a schematic diagram of the baffle position of this utility model.

[0027] In the diagram: 1. Box body; 2. Box cover; 3. Locking block; 4. Buckle; 5. Restriction groove; 6. Restriction strip; 7. Turning plate; 8. Slide rail; 9. Slide groove; 10. Telescopic rod; 101. Fixed rod; 102. Movable rod; 103. Compression spring; 11. Slider; 12. Connecting plate; 13. Support plate; 14. Fixed plate; 15. Tension spring; 16. Ball bearing; 17. Baffle. Detailed Implementation

[0028] The present application will now be described in further detail with reference to the accompanying drawings. It should be noted that the following specific embodiments are only used to further illustrate the present application and should not be construed as limiting the scope of protection of the present application. Those skilled in the art can make some non-essential improvements and adjustments to the present application based on the above application content.

[0029] refer to Figures 1 to 4 A transformer control box that is easy to disassemble includes a box body 1 and a box cover 2, wherein the box cover 2 is detachably connected to the box body 1, and the box body 1 and the box cover 2 form a hollow box.

[0030] The box body 1 is provided with multiple sets of locking blocks 3, and the surface of the box cover 2 facing the box body 1 is connected with buckles 4 corresponding to the multiple sets of locking blocks 3. Both the buckles 4 and the locking blocks 3 are stepped. The buckles 4 cooperate with the locking blocks 3 to connect the box cover 2 and the box body 1.

[0031] The surface of the box body 1 facing the box cover 2 has multiple sets of limiting grooves 5. The surface of the box cover 2 facing the box body 1 is connected with limiting strips 6 corresponding to the multiple sets of limiting grass. The limiting grooves 5 cooperate with the limiting strips 6 to limit the installation position of the box cover 2.

[0032] In actual use, the number and position of the limiting grooves 5 can be set according to the actual situation. In this embodiment, the limiting grooves 5 are located at the two corners on the upper side of the box 1 and at the edge of the box 1 near the lower side. In another embodiment, the limiting grooves 5 can also be set at the four corners.

[0033] It should be noted that in this solution, both the stepped buckle 4 and the locking block 3 include a base and a locking part. The base is an arc-shaped plate, and the locking part is a raised strip on the arc-shaped plate. The raised strip is trapezoidal, and there are multiple sets of raised strips arranged in a straight line. When the buckle 4 and the locking block 3 are locked together, the raised strips on the buckle 4 and the raised strips on the locking block 3 are arranged alternately.

[0034] It should be further explained that the number of card blocks 3 can be set to two, three, four, etc., but it is not recommended to set too many, as too many settings will affect the internal space of the box 1. When the buckle 4 is set to two sets, the two sets of buckles 4 can be set symmetrically. When the number of buckles 4 is set to three or more, it is necessary to ensure that there is sufficient distance between each pair of buckles 4 so that the buckles 4 can rotate out from the card block 3.

[0035] Furthermore, a rotating plate 7 is rotatably connected to the surface of the box cover 2, and a buckle 4 is connected to the surface of the rotating plate 7. At least two sets of buckles 4 are provided. A connector is rotatably connected to the surface of the rotating plate 7, and the connector extends to the outside of the box body. The connector drives the rotating plate 7 to rotate.

[0036] It should be noted that this utility model is applicable to small transformer control boxes.

[0037] Furthermore, the rotating plate 7 is connected to the surface of the box cover 2 via a rotating shaft.

[0038] Furthermore, a groove 9 is provided on the surface of the box body 1 near the box cover 2, and the connector extends into the groove 9.

[0039] Furthermore, the connecting member is a telescopic rod 10. When the telescopic rod 10 is pushed, it retracts to drive the rotating plate 7 to rotate.

[0040] refer to Figures 3 to 6 The telescopic rod 10 includes a fixed rod 101, a movable rod 102, and a compression spring 103. The fixed rod 101 is sleeved on the surface of the movable rod 102. One end of the compression spring 103 is connected to the inner wall of the fixed rod away from the movable rod 102, and the other end is connected to the end of the movable rod 102 located inside the fixed rod 101. The end of the movable rod 102 away from the fixed rod 101 is rotatably connected to the rotating plate 7. The end of the fixed rod 101 away from the movable rod 102 passes through the sliding groove 9.

[0041] Furthermore, a slide rail 8 is connected to the surface of the box cover 2, and a slider 11 is slidably connected to the inner wall of the slide rail 8. The slider 11 is connected to the fixed rod 101.

[0042] It should be noted that the slide rail 8, in conjunction with the slider 11, restricts the vertical movement of the fixed rod 101.

[0043] In actual use, when it is necessary to remove the lid 2 from the box body 1, push the end of the fixing rod 101 that extends out of the slide groove 9 to drive the buckle 4 to rotate. When the buckle 4 is completely rotated out of the locking block 3, the lid 2 can be removed from the box body 1.

[0044] Furthermore, a connecting plate 12 is connected to the surface of the buckle 4, and a stop plate 13 is connected to the surface of the box cover 2. The stop plate 13 is in contact with the connecting plate 12, and the contact surface is an inclined surface.

[0045] Furthermore, a fixing plate 14 is connected to the surface of the box cover 2, and a tension spring 15 is connected to the surface of the fixing plate 14. One end of the tension spring 15 is connected to the surface of the abutment plate 13.

[0046] It should be noted that the connecting plate 12 is connected to the end of the buckle 4 near the buckle block 3. As the buckle 4 gradually rotates out of the buckle block 3, the connecting plate 12 gradually comes into contact with the abutment plate 13. Due to the force of the tension spring 15, the abutment plate 13 provides a certain support force to the connecting plate 12. Therefore, it can drive the end of the buckle 4 near the buckle block 3 to move away from the axis of rotation, so that the buckle 4 and the buckle block 3 are not locked too tightly, thus making it easy to rotate the buckle 4 out of the buckle block 3.

[0047] refer to Figure 7 The abutment plate 13 has ball grooves on its surface away from the tension spring 15 and on its inclined surface. Balls 16 are rolled inside the ball grooves and are in contact with the connecting plate 12.

[0048] It should be noted that multiple sets of ball grooves are formed on the surface of the abutment plate 13 away from the tension spring 15 and are arranged in an array along the surface of the abutment plate 13. The ball bearings 16 are arranged to reduce friction.

[0049] refer to Figure 8 A baffle 17 is connected to the surface of the fixed rod 101 away from the movable rod 102. The baffle 17 moves along the surface of the middle frame to block the sliding groove 9.

[0050] It should be noted that when the cover 2 is installed on the box body 1, the baffle 17 completely covers the slide groove 9. The baffle 17 has protrusions to facilitate the movement of the fixing rod 101. When the protrusions are pushed, the baffle 17, which moves along with them, can also completely cover the slide groove 9, effectively preventing dust from falling into the control box from the slide groove 9.

[0051] In this solution, the lid 2 can be removed from the body 1 by pulling, or the lid 2 can be removed from the body 1 by pushing the telescopic rod 10 to rotate the buckle 4. However, it is preferable to remove the display component by rotating the buckle 4 first, because pulling may cause the protrusion to break.

[0052] The embodiments described above are merely examples of several implementations of this utility model, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of this utility model patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this utility model, and these modifications and improvements all fall within the protection scope of this utility model.

Claims

1. A transformer control box that is easy to disassemble, characterized in that, It includes a box body (1) and a box cover (2), wherein the box cover (2) is detachably connected to the box body (1), and the box body (1) and the box cover (2) form a hollow box body; The box body (1) is provided with multiple sets of locking blocks (3), and the surface of the box cover (2) facing the box body (1) is connected with buckles (4) corresponding to the multiple sets of locking blocks (3). Both the buckles (4) and the locking blocks (3) are stepped. The buckles (4) cooperate with the locking blocks (3) to connect the box cover (2) and the box body (1). The surface of the box body (1) facing the box cover (2) has multiple sets of limiting grooves (5), and the surface of the box cover (2) facing the box body (1) is connected with limiting strips (6) corresponding to the multiple sets of limiting grass. The limiting grooves (5) cooperate with the limiting strips (6) to limit the installation position of the box cover (2).

2. The easily disassembled transformer control box according to claim 1, characterized in that: The surface of the lid (2) is rotatably connected to a rotating plate (7), and the buckle (4) is connected to the surface of the rotating plate (7). At least two sets of buckles (4) are provided. The surface of the rotating plate (7) is rotatably connected to a connector, which extends to the outside of the box body. The connector drives the rotating plate (7) to rotate.

3. The easily disassembled transformer control box according to claim 2, characterized in that: The surface of the box body (1) near the box cover (2) is provided with a groove (9), and the connector extends into the groove (9).

4. A transformer control box that is easy to disassemble according to claim 3, characterized in that: The connecting member is a telescopic rod (10). When the telescopic rod (10) is pushed, the telescopic rod (10) retracts to drive the rotating plate (7) to rotate.

5. A transformer control box that is easy to disassemble according to claim 4, characterized in that: The telescopic rod (10) includes a fixed rod (101), a movable rod (102), and a compression spring (103). The fixed rod (101) is sleeved on the surface of the movable rod (102). One end of the compression spring (103) is connected to the inner wall of the fixed rod away from the movable rod (102), and the other end is connected to the end of the movable rod (102) located inside the fixed rod (101). The end of the movable rod (102) away from the fixed rod (101) is rotatably connected to the rotating plate (7). The end of the fixed rod (101) away from the movable rod (102) passes through the slide groove (9).

6. A transformer control box that is easy to disassemble according to claim 5, characterized in that: The surface of the box cover (2) is connected to a slide rail (8), and a slider (11) is slidably connected to the inner wall of the slide rail (8). The slider (11) is connected to a fixed rod (101).

7. A transformer control box that is easy to disassemble according to claim 1, characterized in that: The buckle (4) is connected to a connecting plate (12), and the box cover (2) is connected to a stop plate (13). The stop plate (13) is in contact with the connecting plate (12), and the contact surface is an inclined surface.

8. A transformer control box that is easy to disassemble according to claim 7, characterized in that: A fixing plate (14) is connected to the surface of the box cover (2), and a tension spring (15) is connected to the surface of the fixing plate (14). One end of the tension spring (15) is connected to the surface of the abutment plate (13).

9. A transformer control box that is easy to disassemble according to claim 8, characterized in that: The abutment plate (13) has ball grooves on its surface away from the tension spring (15) and on its inclined surface. Balls (16) are rolled inside the ball grooves and are in contact with the connecting plate (12).

10. A transformer control box that is easy to disassemble according to claim 5, characterized in that: A baffle (17) is connected to the surface of the fixed rod (101) away from the movable rod (102), and the baffle (17) moves along the surface of the middle frame to block the sliding groove (9).