A loss prevention structure for junction boxes

By using a rotating shaft and a flexible locking device in the junction box, the problem of the top cover being easily lost after disassembly is solved, achieving a stable connection and convenient operation of the top cover.

CN224520590UActive Publication Date: 2026-07-17SHAOGUAN GAULD LIGHTNING PROTECTION TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHAOGUAN GAULD LIGHTNING PROTECTION TECH CO LTD
Filing Date
2025-07-09
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

The top cover of the junction box is easily lost after disassembly.

Method used

The rotating shaft between the box body and the top cover, combined with an elastic locking device including a Phillips head screw and an elastic abutment mechanism, ensures a secure connection between the top cover and the box body and prevents them from coming loose.

Benefits of technology

It effectively prevents the top cover from being lost, makes it easy for operators to flip and pick up the top cover, and improves the convenience and aesthetics of operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

This application discloses an anti-loss structure for junction boxes, including a box body and a top cover. Rotating shafts are provided on both outer sides of one end of the top cover, and rotating holes are provided on both inner sides of one end of the box body. The two rotating shafts respectively engage with the two rotating holes, extending into the rotating holes. An elastic locking device is provided between the other end of the top cover and the other end of the box body. This application allows the top cover to be rotatably mounted on the box body. When the top cover is opened, it remains rotatably connected to the box body, preventing detachment and effectively preventing loss. Simultaneously, the elastic locking device not only securely mounts the end of the top cover away from the rotating shaft onto the top of one end of the box body, but also allows the top cover to be lifted during unlocking and disassembly, facilitating easy flipping and lifting by the operator.
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Description

Technical Field

[0001] This application relates to the technical field of junction boxes, and in particular to an anti-loss structure for use in junction boxes. Background Technology

[0002] Currently, power distribution units are mainly used in data center computer rooms and information computer rooms for power distribution of computers, computing equipment, communication equipment and other load equipment. By using power distribution units, the power distribution in the cabinet can be made more organized, reliable, safe, professional and aesthetically pleasing, and the maintenance of the power supply in the cabinet can also be more convenient and reliable.

[0003] As an industrial-grade power distribution unit, the PDU (Power Distribution Unit) and its junction box, as the power input component within the power distribution unit, play a decisive role in ensuring the continuity of power supply. In related technologies, a junction box generally includes a housing, a wiring device, and a top cover. The wiring device is installed inside the housing for easy cable installation. The top cover is fixed to the top of the housing at both ends with screws; by turning the screws, the entire top cover can be removed, facilitating wiring by operators.

[0004] Regarding the aforementioned technologies, the inventors believe that when workers remove the top cover for wiring, leaving it aside can easily lead to its loss. Utility Model Content

[0005] The purpose of this application is to provide an anti-loss structure for junction boxes to solve the problem that the top cover is easily lost when the operator removes it to make wiring and places it aside.

[0006] The anti-loss structure for junction boxes provided in this application adopts the following technical solution: An anti-loss structure for a junction box includes a box body and a top cover. A rotating shaft is provided on both outer sides of one end of the top cover, and a rotating hole is provided on both inner sides of one end of the box body. The two rotating shafts are respectively engaged with the two rotating holes, so that the rotating shafts extend into the rotating holes. An elastic locking device is provided between the other end of the top cover and the other end of the box body.

[0007] Furthermore, the elastic locking device includes a cross-head screw disposed between the top cover and the box body. One end of the top cover has a locking hole that mates with the cross-head screw. One end of the box body has a locking threaded hole that is threadedly connected to the cross-head screw. One end of the box body also has symmetrically arranged elastic abutment mechanisms that mate with the top cover.

[0008] Furthermore, a top groove is provided on the top of one end of the box body. The elastic top-supporting mechanism includes a sliding block that is slidably disposed in the top groove. A top-supporting rod is provided on the top of the sliding block. The top-supporting rod extends out of the top groove. A blocking block that cooperates with the sliding block is provided at the edge of the groove opening. A blocking hole that cooperates with the top-supporting rod is provided in the middle of the blocking block. A spring is provided between the bottom of the sliding block and the bottom of the top groove through a positioning component.

[0009] Furthermore, the positioning component includes a positioning rod one disposed at the bottom of the sliding block, a positioning rod two disposed at the bottom of the abutment groove, and one end of the spring being sleeved on the positioning rod one and the other end being sleeved on the positioning rod two.

[0010] Furthermore, the top cover has symmetrically arranged mounting grooves on the inner side of one end, and wear-resistant blocks are arranged in both mounting grooves. The surface of the wear-resistant blocks abuts against the top of the push rod.

[0011] Furthermore, a lifting notch is provided on the top of one end of the top cover, which communicates with the locking hole and engages with the nut of the Phillips head screw.

[0012] Furthermore, curved protrusions are provided on the edge of the lifting notch.

[0013] Furthermore, one end of the top cover is symmetrically provided with rotating ears, and each of the two rotating ears is provided with a rotating shaft on the corresponding side. A fixing plate is provided on the top of one end of the box body, and the fixing plate has a fixing through hole. The two rotating shafts are respectively rotatably engaged with the two ends of the fixing through hole.

[0014] Compared with the prior art, the beneficial effects of this application are as follows: By designing a structure in which the box body, top cover, rotating shaft, and rotating hole work together, the top cover can be rotatably mounted on the box body. When the top cover is opened, it rotates and connects with the box body, preventing it from detaching and thus effectively preventing the top cover from being lost.

[0015] Meanwhile, by setting up an elastic locking device, not only can the end of the top cover away from the rotating shaft be securely installed on the top of one end of the box, but also when the top cover is unlocked and disassembled, one end of the top cover can be lifted up, making it easier for operators to flip and pick up the top cover. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the anti-loss structure applied to a junction box according to Embodiment 1 of this application.

[0017] Figure 2 yes Figure 1Exploded view of the area between the middle box and the top cover.

[0018] Figure 3 This is a schematic diagram of the elastic abutment mechanism in Embodiment 1 of this application.

[0019] Figure 4 This is a schematic diagram of the top cover structure of Embodiment 2 of this application.

[0020] Figure 5 This is a schematic diagram of the rotating ear position and rotating shaft in Embodiment 2 of this application.

[0021] Explanation of reference numerals in the attached figures: 1. Box body; 11. Rotating hole; 12. Locking threaded hole; 13. Abutment groove; 14. Blocking block; 15. Blocking hole; 16. Positioning rod two; 17. Fixing plate; 18. Fixing through hole; 2. Top cover; 21. Rotating shaft; 22. Locking hole; 23. Mounting groove; 24. Wear-resistant block; 25. Lifting notch; 26. Arc-shaped protrusion; 27. Rotating ear position; 28. Rotating shaft; 3. Phillips head screw; 4. Sliding block; 41. Abutment rod; 42. Positioning rod one; 5. Spring. Detailed Implementation

[0022] The following is in conjunction with the appendix Figure 1-5 This application will be described in further detail.

[0023] Example 1: This application discloses an anti-loss structure for junction boxes, referring to... Figure 1 In this embodiment, the anti-loss structure is set between the box body 1 and the top cover 2 so that the top cover 2 can be rotated and installed on the box body 1. When the top cover 2 is flipped open, the top cover 2 and the box body 1 are rotated and connected to each other, and there will be no separation. Thus, the top cover 2 can effectively prevent loss.

[0024] Specifically, the top cover 2 is designed as a transparent rectangular cover. When the rectangular cover is closed on the top opening of the box 1, the surface of the rectangular cover and the top surface of the box 1 are on the same plane. The rectangular cover is transparent to facilitate users to inspect the internal wiring.

[0025] More specifically, refer to Figure 1 and Figure 2In this embodiment, the anti-loss structure includes a rotating shaft 21 and an elastic locking device. Two rotating shafts 21 are provided, symmetrically mounted on the outer sides of one end of the top cover 2. Rotating holes 11 are provided on the inner sides of one end of the box body 1. The two rotating shafts 21 cooperate with the two rotating holes 11, so that the ends of the two rotating shafts 21 away from the top cover 2 extend into the two rotating holes 11 respectively. This allows the top cover 2 to be rotatably connected to one end of the box body 1, preventing the top cover 2 from detaching from the box body 1 and thus preventing loss.

[0026] Meanwhile, in this embodiment, the elastic locking device is located between the other end of the top cover 2 and the other end of the box body 1. With the setting of the elastic locking device, not only can the end of the top cover 2 away from the rotating shaft 21 be firmly installed on the top of the box body 1, but also when the top cover 2 is unlocked and disassembled, the end of the top cover 2 can be lifted up, so that the operator can flip the top cover 2 and pick it up.

[0027] Specifically, refer to Figure 1 and Figure 2 In this embodiment, the elastic locking device includes a Phillips head screw 3 and an elastic abutment mechanism. The Phillips head screw 3 is installed between the top cover 2 and the housing 1, and a locking hole 22 is provided on the end of the top cover 2 away from the rotating shaft 21. This locking hole 22 cooperates with the Phillips head screw 3. A locking threaded hole 12 is provided on the top of the end of the housing 1 away from the rotating hole 11. This locking threaded hole 12 is threadedly connected to the Phillips head screw 3, allowing the Phillips head screw 3 to pass through the locking hole 22 and be screwed into the locking threaded hole 12, thereby enabling one end of the top cover 2 to be installed on the top of one end of the housing 1. It should also be noted that a flathead screw can also be used.

[0028] Meanwhile, there are two elastic abutment mechanisms. The two elastic abutment mechanisms are symmetrically arranged on the top of the end of the box body 1 away from the rotating hole 11. The two elastic abutment mechanisms cooperate with the inner side of one end of the top cover 2 to effectively lift one end of the top cover 2 at the same time, so that the operator can flip the top cover 2 and pick it up.

[0029] More specifically, refer to Figure 2 and Figure 3 In this embodiment, the elastic abutment mechanism includes a sliding block 4, an abutment rod 41, a blocking block 14, a positioning component, and a spring 5. Abutment grooves 13 are symmetrically formed on the top of the end of the housing 1 furthest from the rotating hole 11. The sliding block 4 is slidably mounted within the abutment grooves 13. One end of the abutment rod 41 is fixedly connected to the top of the sliding block 4, and the other end of the abutment rod 41 extends beyond the top of the abutment groove 13.

[0030] The blocking block 14 is installed at the edge of the groove of the abutment groove 13. The blocking block 14 cooperates with the sliding block 4, so that the blocking block 14 blocks the sliding block 4 to prevent the sliding block 4 from sliding out of the abutment groove 13. Furthermore, a blocking hole 15 is provided in the middle of the blocking block 14. The blocking hole 15 cooperates with the abutment rod 41, so that the end of the abutment rod 41 away from the sliding block 4 extends out of the blocking hole 15.

[0031] Meanwhile, the spring 5 is installed between the bottom of the sliding block 4 and the bottom of the abutment groove 13 via a positioning component. The positioning component facilitates the positioning and installation of the spring 5. The spring 5 not only abuts the sliding block 4, causing it to push the abutment rod 41 upwards beyond the blocking hole 15, thus lifting the top cover 2 to a certain height, but also, through the elastic contraction of the spring 5, when the top cover 2 is fixedly closed onto the box body 1, it compresses the abutment rod 41, causing it to pull the sliding block 4 into the abutment groove 13, thereby preventing the abutment rod 41 from obstructing the top cover 2.

[0032] Specifically, refer to Figure 3 In this embodiment, the positioning assembly includes a first positioning rod 42 and a second positioning rod 16. One end of the first positioning rod 42 is fixedly installed on the bottom of the sliding block 4; one end of the second positioning rod 16 is fixedly installed on the bottom of the abutment groove 13, and the other end of the second positioning rod 16 corresponds to the other end of the first positioning rod 42; one end of the spring 5 is sleeved on the first positioning rod 42, and the other end of the spring 5 is sleeved on the second positioning rod 16.

[0033] By setting up a structure in which positioning rod 42 and positioning rod 16 cooperate with each other, not only can the spring 5 be effectively positioned and installed, but the spring 5 can also be guaranteed not to shift when it is compressed and contracts.

[0034] Reference Figure 2 In this embodiment, mounting grooves 23 are symmetrically provided on the inner side of the end of the top cover 2 away from the rotating shaft 21. Wear-resistant blocks 24 are installed in both mounting grooves 23. The wear-resistant blocks 24 are rubber blocks made of wear-resistant material. When the top cover 2 is closed on the top of the box body 1, the surface of the wear-resistant block 24 abuts against the top of the push rod 41.

[0035] By using the wear-resistant block 24, wear-resistant material can be prevented from the push rod 41 from contacting the inner side of the top cover 2, thus preventing wear on the inner side of the top cover 2 and effectively protecting the top cover 2. When the wear-resistant block 24 wears out, it can be removed from the mounting groove 23 for replacement.

[0036] Better, refer to Figure 1 and Figure 2 In this embodiment, a lifting notch 25 is provided on the top of one end of the top cover 2. The lifting notch 25 is connected to the locking hole 22, and the lifting notch 25 cooperates with the nut of the cross pan head screw 3. When the cross pan head screw 3 is screwed into the locking thread hole 12, the nut of the cross pan head screw 3 is installed into the lifting notch 25 to prevent the nut of the cross pan head screw 3 from protruding from the surface of the top cover 2, thereby improving the overall aesthetics of the junction box.

[0037] Meanwhile, an arc-shaped protrusion 26 is installed on the edge of the lifting notch 25. The arc-shaped protrusion 26 increases the force-bearing area, allowing the operator to flip the top cover 2 with their fingers, thus achieving an effective and convenient flipping effect on the top cover 2.

[0038] Example 2: Reference Figure 4 In this embodiment, the top cover 2 is designed as a transparent arc-shaped cover. When the arc-shaped cover is closed on the top opening of the box 1, the surface of the arc-shaped cover is higher than the top surface of the box 1. This not only allows the user to use their hands to hold the protruding part of the arc-shaped cover to open it, but also improves the aesthetics of the top cover 2. In addition, the arc-shaped cover is also transparent, which makes it convenient for the user to check the internal wiring.

[0039] Meanwhile, the flipping structure between the top cover 2 and the box body 1 in Embodiment 2 is also different from that in Embodiment 1. The specific flipping structure is as follows: Reference Figure 4 and Figure 5 In this embodiment, rotating lugs 27 are symmetrically installed at one end of the top cover 2, and rotating shafts 28 are installed on the corresponding sides of the two rotating lugs 27. A fixing plate 17 is installed on the top of one end of the box body 1. The top of the fixing plate 17 is rounded, and a fixing through hole 18 is provided on the fixing plate 17. The two rotating shafts 28 are respectively rotated and engaged with the two ends of the fixing through hole 18, so that the two rotating shafts 28 extend into the two ends of the fixing through hole 18, thereby making the top cover 2 rotatably connected to one end of the box body 1, so that the top cover 2 and the box body 1 will not detach and be lost.

[0040] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the description and drawings of this utility model, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A loss-preventing structure applied to a terminal box, comprising a box body (1) and a top cover (2), characterized in that: The top cover (2) has a rotating shaft (21) on both outer sides at one end, and the box body (1) has a rotating hole (11) on both inner sides at one end. The two rotating shafts (21) are respectively engaged with the two rotating holes (11) so that the rotating shafts (21) extend into the rotating holes (11). An elastic locking device is provided between the other end of the top cover (2) and the other end of the box body (1). The elastic locking device includes a cross-head screw (3) disposed between the top cover (2) and the box body (1). One end of the top cover (2) is provided with a locking hole (22) that cooperates with the cross-head screw (3). One end of the box body (1) is provided with a locking thread hole (12) that is threadedly connected to the cross-head screw (3). One end of the box body (1) is also symmetrically provided with an elastic abutment mechanism that cooperates with the top cover (2).

2. The anti-loss structure applied to the junction box according to claim 1, characterized in that: The top of one end of the box body (1) is provided with a top groove (13). The elastic top mechanism includes a sliding block (4) that is slidably disposed in the top groove (13). A top rod (41) is provided on the top of the sliding block (4). The top rod (41) extends out of the top groove (13). A blocking block (14) that cooperates with the sliding block (4) is provided at the edge of the groove opening of the top groove (13). A blocking hole (15) that cooperates with the top rod (41) is provided in the middle of the blocking block (14). A spring (5) is provided between the bottom of the sliding block (4) and the bottom of the top groove (13) through a positioning component.

3. The anti-loss structure applied to a junction box according to claim 2, characterized in that: The positioning component includes a positioning rod 1 (42) disposed at the bottom of the sliding block (4), a positioning rod 2 (16) disposed at the bottom of the abutment groove (13), and one end of the spring (5) being sleeved on the positioning rod 1 (42) and the other end being sleeved on the positioning rod 2 (16).

4. The anti-loss structure applied to the junction box according to claim 2, characterized in that: The top cover (2) has symmetrically arranged mounting grooves (23) on the inner side of one end. Both mounting grooves (23) are provided with wear-resistant blocks (24), and the surface of the wear-resistant blocks (24) abuts against the top of the push rod (41).

5. The anti-loss structure applied to the junction box according to claim 1, characterized in that: The top of one end of the top cover (2) is also provided with a lifting notch (25) that communicates with the locking hole (22), and the lifting notch (25) is engaged with the nut of the cross head screw (3).

6. The anti-loss structure applied to the junction box according to claim 5, characterized in that: The edge of the lifting notch (25) is also provided with an arc-shaped protrusion (26).

7. The anti-loss structure applied to a junction box according to claim 1, characterized in that: One end of the top cover (2) is symmetrically provided with rotating ear positions (27), and each of the two rotating ear positions (27) is provided with a rotating shaft (28) on the corresponding side. A fixing plate (17) is provided on the top of one end of the box body (1), and the fixing plate (17) is provided with a fixing through hole (18). The two rotating shafts (28) are respectively rotated and engaged with the two ends of the fixing through hole (18).