Junction box with protection mechanism

Abstract

The utility model discloses a junction box with a protection mechanism, and relates to the technical field of machine shells. A junction box with a protection mechanism comprises a junction box, the junction box is provided with a built-in wire fixing device, the built-in wire fixing device comprises a mounting base, a fixing block and an upper pressing block, the fixing block is fixedly connected to the upper surface of one end of the mounting base, and the outer wall of one end of the upper pressing block is rotationally connected with the outer wall of a fixing rod fixedly connected with the interior of the fixing block. The mounting base is fixedly connected with the upper surface of the lower end in the junction box, a wire penetrates through a threading hole through the built-in wire fixing device and is placed in a groove formed in the upper surface of the mounting base, and then an upper pressing block clamps and limits the wire, so that the wire is prevented from moving and misplacing in the junction box; the maintenance and overhaul efficiency of workers is effectively improved, meanwhile, the situation that the workers spend more time to arrange wires is avoided, and then the practicability and flexibility of the equipment are effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of casings, and particularly relates to a junction box with a protection mechanism. Background Art

[0002] In the installation of power system automation systems, a junction box for grounding fault handling is often used. The Chinese utility model patent with the authorization announcement number "CN219801788U" discloses a junction box. The top of the positioning column is connected with a clamping bottom plate. A clamping top plate is arranged above the clamping bottom plate. Anti-slip layers are connected to one end of the clamping top plate and the clamping bottom plate close to each other. The top of the clamping bottom plate is connected with a positioning rod. The moisture-proof component includes a moisture-proof box body. The top of the moisture-proof box body is connected with a moisture-proof box cover. The outer wall of the box body shell is connected with a flexible sleeve. Ventilation holes are opened in the wall bodies at both ends of the moisture-proof box body for adsorbing moisture inside the box body shell, thereby improving the safety of device use. Through the setting of the flexible sleeve, it is used to prevent the wire from coming into contact and wearing with the wall body of the box body shell, thereby improving the safety of wire use.

[0003] When performing maintenance and replacing components on the box body assembly in the above technical solution, the limiting rod is rotated in sequence to solve the connection between the limiting rod and the mounting rod and the plug. Then, the top cover of the box body is lifted and gradually separated from the box body shell. However, the above technical solution still has certain defects. For example, in the above device, the wires are divided and fixed, the clamping top plate is lifted upward, and the wires are inserted between the clamping bottom plate and the clamping top plate. However, the wires are not fixed inside the box body, which may cause the wires to move or wind randomly inside the box body, thereby increasing the complexity of installation and maintenance. At the same time, the staff may need to spend more time sorting out the wires to find and check specific wire connections. Summary of the Utility Model

[0004] The purpose of the present utility model is to solve at least one of the technical problems existing in the prior art, and provide a junction box with a protection mechanism, which can solve the problem that in the device, the wires are divided and fixed, the clamping top plate is lifted upward, and the wires are inserted between the clamping bottom plate and the clamping top plate. However, the wires are not fixed inside the box body, which may cause the wires to move or wind randomly inside the box body, thereby increasing the complexity of installation and maintenance. At the same time, the staff may need to spend more time sorting out the wires to find and check specific wire connections.

[0005] To achieve the above purpose, the present utility model provides the following technical solution: A junction box with a protection mechanism, including a junction box, and an internal wire fixing device is arranged on the junction box;

[0006] The built-in wire fixing device includes a mounting base, a fixing block, and an upper pressing block. The fixing block is fixedly connected to the upper surface of one end of the mounting base. One end outer wall of the upper pressing block is rotatably connected to the outer wall of a fixing rod fixedly connected inside the fixing block. The mounting base is fixedly connected to the upper surface of the lower end inside the junction box.

[0007] Among them, a clamping limit block groove is provided on the outer wall of the end of the upper pressing block away from the fixing block. Two clamping limit blocks are slidably connected inside the clamping limit block groove. On both sides of the outer wall of the end of the mounting base away from the fixing block, a stop block is fixedly connected. A second return spring is arranged inside the clamping limit block groove. There are two built-in wire fixing devices, and both of the two built-in wire fixing devices are arranged inside the junction box.

[0008] Preferably, both of the two clamping limit blocks are in an "L" shape. The lower outer walls of the two clamping limit blocks are respectively slidably connected to the inside of the grooves provided on the corresponding stop blocks. The groove provided on the lower surface of the upper pressing block is opposite to the groove provided on the upper surface of the mounting base.

[0009] Among them, the upper surfaces of the lower fixing plates of the two clamping limit blocks are respectively in contact with the lower surfaces of the corresponding stop blocks. The two ends of the second return spring are respectively fixedly connected to the outer wall of one end of the corresponding clamping limit block.

[0010] Preferably, fixing seats are fixedly connected to both sides of the upper end of the junction box. Limit block grooves are provided on the opposite surfaces of the two fixing seats.

[0011] Among them, limit blocks are slidably connected inside the two limit block grooves. A cover plate groove is provided on the upper surface of the junction box.

[0012] Preferably, a cover plate is slidably connected inside the cover plate groove. Fixing plates are fixedly connected to the inner walls of the four corners of the junction box.

[0013] Among them, positioning rods are fixedly connected to the upper surfaces of the four fixing plates.

[0014] Preferably, the lower surface of the cover plate is in contact with the upper surfaces of the four fixing plates. The outer walls of the four positioning rods are respectively slidably connected to the inside of the grooves provided at the four corners of the cover plate.

[0015] Among them, the lower surfaces of the two limit blocks are both in contact with the upper surface of the cover plate.

[0016] Preferably, two first return springs are arranged inside the limit block grooves.

[0017] Among them, the two ends of the four first return springs are respectively fixedly connected to the outer wall of one end of the corresponding limit block and the inner wall of the limit block groove. Four wire passing holes are provided on both outer walls of the junction box.

[0018] Compared with the prior art, the beneficial effects of the present utility model are:

[0019] 1. For the junction box with a protection mechanism, the electric wire is placed inside the wire fixing device and then passed through the threading hole and placed in the groove opened on the upper surface of the mounting seat. Then, the upper pressing block clamps and limits the electric wire, which avoids the displacement of the electric wire inside the junction box, effectively improves the maintenance and repair efficiency of the staff, and at the same time avoids the staff spending more time arranging the electric wire, thereby effectively improving the practicability and flexibility of the equipment. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present utility model will be further described below in conjunction with the drawings and embodiments:

[0021] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0022] Figure 2 is a structural schematic diagram of the cover plate of the present utility model;

[0023] Figure 3 is a structural schematic diagram of the mounting seat of the present utility model.

[0024] Reference numerals: 1, junction box; 2, fixing seat; 3, threading hole; 4, cover plate groove; 5, limit block groove; 6, cover plate; 7, positioning rod; 8, limit block; 9, mounting seat; 10, upper pressing block; 11, first return spring; 12, second return spring; 13, clamping limit block; 14, fixing block; 15, stop block; 16, clamping limit block groove; 17, fixing plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0025] This part will describe in detail the specific embodiments of the present utility model. The preferred embodiments of the present utility model are shown in the drawings. The role of the drawings is to supplement the description of the text part of the specification, enabling people to intuitively and vividly understand each technical feature and the overall technical solution of the present utility model, but it cannot be understood as a limitation on the protection scope of the present utility model.

[0026] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as up, down, front, back, left, right, etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model.

[0027] In the description of the present utility model, terms such as greater than, less than, exceeding, etc. are understood not to include the number itself, while terms such as above, below, within, etc. are understood to include the number itself. If there is a description of first and second, it is only for the purpose of distinguishing technical features and cannot be understood as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features or implicitly specifying the sequence relationship of the indicated technical features.

[0028] In the description of the present utility model, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present utility model in combination with the specific content of the technical solution.

[0029] Please refer to Figures 1 - 3 , the present utility model provides a technical solution: a junction box with a protection mechanism, including a junction box 1;

[0030] An internal wire fixing device is provided on the junction box 1;

[0031] The internal wire fixing device includes a mounting seat 9, a fixing block 14 and an upper pressing block 10. The fixing block 14 is fixedly connected to the upper surface of one end of the mounting seat 9. One end outer wall of the upper pressing block 10 is rotatably connected to the outer wall of a fixing rod fixedly connected inside the fixing block 14. The mounting seat 9 is fixedly connected to the upper surface of the lower end inside the junction box 1. A clamping limit block groove 16 is provided on the outer wall of the end of the upper pressing block 10 away from the fixing block 14. Two clamping limit blocks 13 are slidably connected inside the clamping limit block groove 16. Both clamping limit blocks 13 are in an "L" shape. On both outer walls of the end of the mounting seat 9 away from the fixing block 14, a stop block 15 is fixedly connected. The lower outer walls of the two clamping limit blocks 13 are respectively slidably connected to the inside of the grooves provided on the corresponding stop blocks 15. The groove provided on the lower surface of the upper pressing block 10 is opposite to the groove provided on the upper surface of the mounting seat 9. The upper surfaces of the lower fixing plates of the two clamping limit blocks 13 are respectively in contact with the lower surfaces of the corresponding stop blocks 15. A second return spring 12 is provided inside the clamping limit block groove 16. Both ends of the second return spring 12 are fixedly connected to the outer wall of one end of the corresponding clamping limit block 13. There are two internal wire fixing devices in total, and both internal wire fixing devices are provided inside the junction box 1.

[0032] Among them, the outer walls on both sides of the upper end of the junction box 1 are fixedly connected with a fixing seat 2, and the opposite surfaces of the two fixing seats 2 are provided with a limiting block groove 5, and the inside of the two limiting block grooves 5 are slidably connected with the limiting blocks 8. The upper surface of the junction box 1 is provided with a cover plate groove 4, and the inside of the cover plate groove 4 is slidably connected with a cover plate 6. The inner walls of the four corners of the junction box 1 are fixedly connected with a fixing plate 17, and the upper surfaces of the four fixing plates 17 are fixedly connected with positioning rods 7. The lower surface of the cover plate 6 contacts the upper surfaces of the four fixing plates 17, and the outer walls of the four positioning rods 7 are respectively slidably connected with the inside of the grooves provided at the four corners of the cover plate 6. The lower surfaces of the two limiting blocks 8 are in contact with the upper surface of the cover plate 6. Two first return springs 11 are arranged inside the two limiting block grooves 5, and the two ends of the four first return springs 11 are respectively fixedly connected with the outer wall of one end of the corresponding limiting block 8 and the inner wall of the limiting block groove 5, and the outer walls on both sides of the junction box 1 are provided with four threading holes 3.

[0033] Furthermore, when using the device, it is started by connecting an external power supply. First, after installing the junction box 1 at the specified position, the clamping limit block 13 is pulled to move in the opposite direction to drive the second return spring 12 to expand while the outer wall of the fixed plate at the lower end of the clamping limit block 13 is out of contact with the stop block 15. Then the upper pressing block 10 can be turned over, and then the wire is passed through the inside of the threading hole 3 and placed in the groove opened on the upper surface of the mounting seat 9. Then, the operation is repeated to reset the upper pressing block 10 to clamp and limit the wire. Then, the limit block 8 is pushed to move in the opposite direction to drive the first return spring 11 to contract while the cover plate 6 is quickly positioned and installed on the upper end of the junction box 1 according to the positioning rod 7, and then the limit block 8 is released. The limit block 8 is reset by the force generated by the first return spring 11 while making its lower surface contact with the upper surface of the cover plate 6 while limiting it to complete the installation.

[0034] The wires are passed through the wire threading hole 3 in the built-in wire fixing device and placed in the groove opened on the upper surface of the mounting seat 9, and then the upper pressing block 10 clamps and limits the wires, thereby avoiding the wires from moving and misaligning inside the junction box 1, effectively improving the maintenance and repair efficiency of the staff, and at the same time avoiding the staff from spending more time to organize the wires, thereby effectively improving the practicality and flexibility of the equipment, and pushing the limit block 8 to move in the opposite direction to drive the first return spring 11 to contract and make the cover plate 6 lose its limit, and then pull the handle on the cover plate 6 to remove the cover plate 6 from the junction box 1, which makes it easy for the staff to disassemble the cover plate 6, effectively improving the maintenance efficiency of the cover plate 6 and reducing the workload of the staff.

[0035] Working principle: First, install the junction box 1 at the designated position. Then, pull the clamping limit block 13 to move in the opposite direction, driving the second return spring 12 to expand. At the same time, the outer wall of the lower fixing plate of the clamping limit block 13 is disengaged from the contact with the stop block 15. Then, the upper pressing block 10 can be turned over. Then, pass the wire through the inside of the wire passing hole 3 and place it in the groove formed on the upper surface of the mounting seat 9. Then, repeat the operation to reset the upper pressing block 10 to clamp and limit the wire. Next, push the limit block 8 to move in the opposite direction, driving the first return spring 11 to contract. At the same time, quickly position and install the cover plate 6 on the upper end of the junction box 1 according to the positioning rod 7, and then release the limit block 8. When the limit block 8 is reset by the acting force generated by the first return spring 11, its lower surface contacts the upper surface of the cover plate 6 and limits it to complete the installation.

[0036] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those of ordinary skill in the art in the said technical field, various changes can be made without departing from the gist of the present invention.

Claims

1. A junction box with a protection mechanism, comprising a junction box (1), characterized in that: An internal wire fixing device is provided on the junction box (1). The internal wire fixing device includes a mounting base (9), a fixing block (14) and an upper pressing block (10). The fixing block (14) is fixedly connected to the upper surface of one end of the mounting base (9). One end outer wall of the upper pressing block (10) is rotatably connected to the outer wall of a fixing rod fixedly connected inside the fixing block (14). The mounting base (9) is fixedly connected to the upper surface of the lower end inside the junction box (1). Among them, a clamping limit block groove (16) is formed in the outer wall of one end of the upper pressing block (10) away from the fixing block (14). Two clamping limit blocks (13) are slidably connected inside the clamping limit block groove (16). Block (15) is fixedly connected to both outer walls on both sides of one end of the mounting base (9) away from the fixing block (14). A second return spring (12) is arranged inside the clamping limit block groove (16). There are two internal wire fixing devices in total, and both of the two internal wire fixing devices are arranged inside the junction box (1).

2. The junction box with a protection mechanism according to claim 1, wherein: Both of the two clamping limit blocks (13) are in an "L" shape. The outer walls of the lower ends of the two clamping limit blocks (13) are respectively slidably connected to the inside of the grooves formed in the corresponding blocks (15). The groove formed in the lower surface of the upper pressing block (10) is opposite to the groove formed in the upper surface of the mounting base (9). Among them, the upper surfaces of the lower end fixing plates of the two clamping limit blocks (13) are respectively in contact with the lower surfaces of the corresponding blocks (15). Both ends of the second return spring (12) are fixedly connected to the outer wall of one end of the corresponding clamping limit block (13).

3. The junction box with a protection mechanism according to claim 1, characterized in that: Fixed seats (2) are fixedly connected to both outer walls on both sides of the upper end of the junction box (1). Limit block grooves (5) are formed in the opposite surfaces of the two fixed seats (2). Among them, limit blocks (8) are slidably connected inside both of the two limit block grooves (5). A cover plate groove (4) is formed in the upper surface of the junction box (1).

4. The junction box with a protection mechanism according to claim 3, characterized in that: A cover plate (6) is slidably connected inside the cover plate groove (4). Fixing plates (17) are fixedly connected to the inner walls of the four corners of the junction box (1). Among them, positioning rods (7) are fixedly connected to the upper surfaces of the four fixing plates (17).

5. The junction box with a protection mechanism according to claim 4, characterized in that: The lower surface of the cover plate (6) is in contact with the upper surfaces of the four fixing plates (17). The outer walls of the four positioning rods (7) are respectively slidably connected to the inside of the grooves formed at the four corners of the cover plate (6). Among them, the lower surfaces of the two limit blocks (8) are both in contact with the upper surface of the cover plate (6).

6. The junction box with a protection mechanism according to claim 3, wherein: Two first return springs (11) are arranged inside both of the two limit block grooves (5). Among them, both ends of the four first return springs (11) are fixedly connected to the outer wall of one end of the corresponding limit block (8) and the inner wall of the limit block groove (5). Four wire passing holes (3) are formed in both outer walls of the junction box (1).

Images