An adjustable terminal block for electronic engineering

CN224355785UActive Publication Date: 2026-06-12秦瑞波

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
秦瑞波
Filing Date
2025-07-18
Publication Date
2026-06-12

AI Technical Summary

Technical Problem

The existing junction boxes have a single fixing method, resulting in poor installation flexibility and an inability to adapt to the needs of different construction scenarios.

Method used

An adjustable junction box was designed, which allows for adjustment of the angle and height of the mounting plate through an adjustment mechanism including guide posts, lead screws and knobs. It supports wall-mounted and recessed installations, and combines magnets and rubber pads to enhance stability.

Benefits of technology

It improves the installation efficiency and flexibility of junction boxes, enabling them to adapt to different construction scenarios, simplifying the installation process, and enhancing the stability and convenience of installation.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224355785U_ABST
    Figure CN224355785U_ABST
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Abstract

The utility model discloses an adjustable junction box for electronic engineering, including, junction box main part, the junction box main part is provided with detachable cover and multiple groups of incoming line mouth respectively, and the multiple groups of board body are movably provided with the limit on the junction box main part, and the swing is provided with the mounting plate on the board body, and the multiple groups of positioning hole are provided on the mounting plate, and the adjusting mechanism for driving board body lifting movement is provided with on the junction box main part, and the adjusting mechanism includes guide pillar, lead screw no.
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Description

Technical Field

[0001] This utility model relates to the field of junction box technology, specifically an adjustable junction box for electronic engineering. Background Technology

[0002] Junction boxes are one of the electrical accessories. Because the wires are laid through conduits, junction boxes are used as transitions at the joints of the wires (such as when the wires are long or the conduits are turning corners). The conduits are connected to the junction boxes, and the wires inside the conduits are connected in the junction boxes, which serves to protect and connect the wires. Junction boxes are commonly used in the construction and installation of electronic engineering projects.

[0003] Existing patent document CN221900519U discloses a junction box for electronic engineering, whose protected claim "includes a housing, a receiving groove on the top of the housing, wire tubes fixedly connected at equal intervals on both sides of the housing, a sliding groove inside the housing, a cover plate slidably connected inside the sliding groove, mounting holes at equal intervals inside the cover plate, a mounting block fixedly connected to one side of the inner wall of the receiving groove, a bolt threadedly connected between the mounting block and the mounting hole, a terminal board fixedly connected to the bottom of the inner wall of the receiving groove, a wiring groove on the top of the terminal board, and a fixing component on the top of the terminal board. This utility model discloses a junction box for electronic engineering, which, by setting a fixing component, makes wiring operations simple and quick, improves the efficiency of wiring work, allows for rapid installation and removal of wire connections, and in the event of a fault, allows maintenance personnel to more easily enter the junction box for repair, reducing maintenance time."

[0004] However, the junction boxes for electronic engineering mentioned in the above-mentioned publicly available literature mainly focus on setting fixed components to make wiring operations simple and quick, improve the efficiency of wiring work, and allow for rapid installation and removal of wire connections. In case of failure, maintenance personnel can more easily enter the junction box for repair, reducing maintenance time. However, they do not take into account that most junction boxes can be divided into embedded and wall-mounted types, but most junction boxes have a single fixing method, which is only suitable for one type of fixed installation. This leads to poor installation flexibility. Utility Model Content

[0005] The purpose of this invention is to provide an adjustable junction box for electronic engineering to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution:

[0007] An adjustable junction box for electronic engineering includes a junction box body, on which a detachable cover and multiple sets of cable inlets are respectively provided. Multiple sets of plates are movably arranged on the upper limit of the junction box body. Mounting plates are swayably arranged on the plates. Multiple sets of positioning holes are provided on the mounting plates. An adjustment mechanism for driving the plates to move up and down is provided on the junction box body. The adjustment mechanism includes a guide column, a lead screw, and a knob.

[0008] Preferably, the junction box body has an internal mounting groove, and multiple sets of guide posts are movably positioned within the mounting groove, with one end of each guide post fixedly connected to the back of the plate.

[0009] Preferably, the mounting slot is provided with two sets of mounting brackets. Multiple sets of lead screws are rotatably mounted on the mounting brackets. Lead screw nuts are engaged with the lead screws, and the outer side of the lead screw nuts is connected to the outer bottom end of the guide column. A gear is mounted on the lead screws. A rotating rod is rotatably mounted on the mounting brackets. Multiple sets of gears are engaged with gears 1 and 3 on the rotating rod. Multiple sets of rods are rotatably mounted inside the junction box body. A gear 4 is engaged with gear 3 at one end of the rod, and a knob is located inside the junction box body.

[0010] Preferably, a rubber pad is provided on the side of the mounting plate that contacts the wall.

[0011] Preferably, the mounting plate is provided with multiple sets of magnets, and the plate body is provided with multiple sets of magnets that attract the magnets.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] 1. This utility model allows for free switching between wall-mounted and embedded installation modes by adjusting the angle of the mounting plate and the height of the plate body, adapting to different construction scenarios (such as external wall fixing and internal wall embedding), reducing restrictions on the installation environment. The adjustment mechanism is manually driven by a knob, making operation convenient and precise. Height adjustment can be completed without complicated tools, making it more convenient to install and remove the junction box during embedded installation and improving the installation efficiency of the junction box. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the knob structure of this utility model;

[0016] Figure 3 This is a schematic diagram of the rubber pad structure of this utility model;

[0017] Figure 4 This is a schematic diagram of the mounting groove structure of this utility model;

[0018] Figure 5 This is a schematic diagram of the mounting bracket structure of this utility model.

[0019] In the diagram: 1. Junction box body; 2. Cover; 3. Cable inlet; 4. Plate; 5. Mounting plate; 6. Mounting slot; 7. Mounting bracket; 8. Guide post; 9. Lead screw one; 10. Lead screw nut; 11. Gear one; 12. Rotating rod; 13. Gear two; 14. Gear three; 15. Rod body; 16. Gear four; 17. Knob; 18. Rubber pad; 19. Magnet one; 20. Magnet two. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0023] Please see Figure 1-5An adjustable junction box for electronic engineering includes a junction box body 1, a removable cover 2 and multiple sets of cable inlets 3 on the junction box body 1, multiple sets of plates 4 that are movable at their upper limits, mounting plates 5 that are swingable on the plates 4, and multiple sets of positioning holes on the mounting plates 5. The junction box body 1 is equipped with an adjustment mechanism for driving the plates 4 to move up and down. The adjustment mechanism includes a guide post 8, a lead screw 9, and a knob 17. The junction box body 1 is the core load-bearing frame of the entire device, providing the mounting base and internal space for all components. The cover 2 mainly protects the wiring structure inside the junction box, preventing dust, debris, and moisture from entering and affecting circuit safety. The cable inlets 3 provide channels for wires and cables to enter the junction box, facilitating the introduction of external wires into the box for connection. Simultaneously, the rationally distributed cable inlets 3 prevent wires from becoming tangled and ensure orderly internal wiring. The plates 4 are intermediate components connecting the adjustment mechanism and the mounting plates 5. One end is fixed to the guide column 8 and driven by the adjustment mechanism to achieve lifting and lowering movement. The other end carries the swingable mounting plate 5, which plays the role of transmitting adjustment power and supporting the mounting plate 5. It is a key transition structure for realizing the position adjustment of the mounting plate 5. The mounting plate 5 is the component that directly contacts the mounting base (wall, etc.). When the mounting plate 5 is perpendicular to the plate body 4 and one side can be parallel to the wall, it is connected to the wall through the positioning holes by screws, expansion bolts, etc., to stably fix the junction box on the mounting base. It is the direct fixing structure for realizing the "wall-mounted" installation method. The adjustment mechanism consists of the guide column 8, lead screw 9, knob 17, etc. Its core function is to drive the plate body 4 (and the mounting plate 5) to lift and move when the mounting plate 5 is parallel to the plate body 4. By adjusting the height of the mounting plate 5, the "embedded" junction box is fixed to the wall. This allows the junction box to adapt to both "embedded" and "wall-mounted" installations, solving the problem of the single fixing method of traditional junction boxes and improving installation flexibility.

[0024] Please see Figure 4 and Figure 5The junction box body 1 has an internal mounting groove 6. Multiple guide posts 8 are movably positioned within the mounting groove 6, with one end of each guide post 8 fixedly connected to the back of the plate 4. Two mounting brackets 7 are located inside the mounting groove 6. Multiple lead screws 9 are rotatably mounted on each mounting bracket 7. Lead screw nuts 10 are engaged with each lead screw 9, and the outer surface of each lead screw nut 10 is connected to the outer bottom end of the guide post 8. A gear 11 is mounted on each lead screw 9. A rotating rod 12 is rotatably mounted on each mounting bracket 7. Multiple gears 13 mesh with gears 11, and a gear 14 is mounted on the rotating rod 12. Multiple rods 15 are rotatably mounted inside the junction box body 1. One end of each rod 15 is equipped with a gear 16 that meshes with gear 14, and the other end is equipped with a knob 17 located inside the junction box body 1. The mounting slot 6, located inside the junction box body 1, serves as the "accommodation space" for the adjustment mechanism. It provides a stable mounting position for the adjustment mechanism and limits the range of motion of the guide column 8 through the slot structure, ensuring the orderly operation of the adjustment mechanism. The mounting bracket 7 is fixed within the mounting slot 6 to support the lead screw 9 and the rotating rod 12, ensuring that they do not shift during rotation and maintaining the adjustment mechanism. The guide post 8, a supporting component for structural stability, is movable within the mounting groove 6. One end is fixed to the back of the plate 4, and the other end is connected to the lead screw 9 via the lead screw nut 10. Its function is to provide guidance and limit the lifting and lowering movement of the plate 4. The lead screw 9 converts rotational motion into linear motion. When the lead screw 9 rotates, it drives the lead screw nut 10 (and the guide post 8) to rise and fall through meshing with the lead screw nut 10, thereby driving the plate 4 and the mounting plate 5 to rise and fall. It is a key actuator for power transmission in the adjustment mechanism. The rotating rod 12 "diverts" the power from the rod 15 to multiple lead screws 9. The rotation of the rotating rod 12 drives... Multiple sets of gears 13 rotate synchronously. Gears 13 transmit the rotational motion of the rotating rod 12 to gear 11 (and lead screw 9) through gear meshing, ensuring the matching of power direction and torque, thereby driving multiple sets of lead screws 9 to work synchronously. One end of the rod 15 is connected to gear 16 and the other end is connected to knob 17. Rotating knob 17 can drive the rod 15 to rotate, thereby transmitting power to the subsequent gear set and lead screw, realizing the adjustment of the height of the mounting plate 5, providing users with a convenient manual adjustment interface. Gear 16 meshes with gear 14 to transmit the rotational power of the rod 15 to gear 14 (and rotating rod 12).

[0025] Please see Figure 1 and Figure 3A rubber pad 18 is provided on the side of the mounting plate 5 that contacts the wall. Multiple sets of magnets 19 are provided on the mounting plate 5, and multiple sets of magnets 20 that attract the magnets 19 are provided on the plate body 4. The rubber pad 18 increases the friction between the mounting plate 5 and the wall, preventing the junction box from sliding due to vibration or external force after installation. It also acts as a buffer to avoid damage to the wall or the mounting plate 5 caused by hard contact between the mounting plate 5 and the wall. When the junction box is embedded, the mutual attraction between the magnets 19 and 20 can fix the mounting plate 5 to the plate body 4, ensuring the stability of the junction box during embedded installation.

[0026] Working principle, wall-mounted installation: The mounting plate 5 is adjusted to be perpendicular to the plate 4 by its swing-out characteristic. At this time, the mounting plate 5 is parallel to the wall. Using the positioning holes on the mounting plate 5, screws, expansion bolts, and other fasteners pass through the positioning holes and connect to the wall. Simultaneously, the rubber pad 18 increases friction and buffers vibration, ensuring the junction box is firmly fixed to the outside of the wall. During wall-mounted installation, the rubber pad 18 increases friction and buffers vibration, and the positioning holes, together with the fasteners, achieve rigid fixation, preventing the junction box from sliding or loosening. Embedded installation: The mounting plate 5 is swung to a state parallel to the plate 4. The angle is fixed by the attraction of magnet 19 and magnet 20, preventing angle deviation during installation. Then, the adjustment mechanism drives the plate 4 and mounting plate 5 to rise and fall, so that the mounting plate 5 fits into the preset position inside the wall, achieving the desired connection. The junction box is fixed to the wall. During embedded installation, the attraction of magnet 19 and magnet 20 fixes the angle of the mounting plate 5. The synchronously rising and falling of multiple sets of lead screws and guide columns 8 ensures that the plate 4 is stably stressed, prevents installation deviation, and improves the overall structural stability. When the knob 17 is rotated, the power is transmitted to gear 4 16 through rod 15. Gear 4 16 meshes with gear 3 14 on rotating rod 12, driving rotating rod 12 to rotate. Rotating rod 12 meshes with gear 11 on lead screw 9 through gear 2 13, diverting the power to multiple sets of lead screw 9, making lead screw 9 rotate synchronously. Lead screw 9 meshes with lead screw nut 10, converting the rotational motion into linear motion, driving guide column 8 to rise and fall along mounting groove 6, thereby driving plate 4 and mounting plate 5 to rise and fall synchronously, accurately adjusting the height of mounting plate 5 to adapt to embedded installation requirements.

[0027] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. An adjustable junction box for electronic engineering, comprising a junction box body (1), wherein the junction box body (1) is provided with a detachable cover (2) and multiple sets of cable inlets (3), characterized in that: The junction box body (1) is provided with multiple sets of plates (4) for upper limit movement. The plates (4) are provided with mounting plates (5) that can swing. The mounting plates (5) are provided with multiple sets of positioning holes. The junction box body (1) is provided with an adjustment mechanism for driving the plates (4) to move up and down. The adjustment mechanism includes a guide column (8), a lead screw (9) and a knob (17).

2. The adjustable junction box for electronic engineering according to claim 1, characterized in that: The junction box body (1) has an internal mounting groove (6), and the mounting groove (6) has multiple sets of guide posts (8) that are movable within it. One end of the guide post (8) is fixedly connected to the back of the plate (4).

3. An adjustable junction box for electronic engineering according to claim 2, characterized in that: The mounting slot (6) is provided with two sets of mounting brackets (7). Multiple sets of lead screws (9) are rotatably mounted on the mounting brackets (7). Lead screw nuts (10) are engaged on the lead screws (9). The outside of the lead screw nuts (10) is connected to the outside bottom of the guide column (8). A gear (11) is mounted on the lead screws (9). A rotating rod (12) is rotatably mounted on the mounting brackets (7). Multiple sets of gears (13) are engaged with gears (11) on the rotating rod (12). A gear (14) is mounted on the rotating rod (12). Multiple sets of rods (15) are rotatably mounted inside the junction box body (1). A gear (16) is engaged with gears (14) at one end of the rod (15). A knob (17) is mounted at the other end of the rod (15). The knob (17) is located inside the junction box body (1).

4. An adjustable junction box for electronic engineering according to claim 3, characterized in that: A rubber pad (18) is provided on the side of the mounting plate (5) that contacts the wall.

5. An adjustable junction box for electronic engineering according to claim 3, characterized in that: The mounting plate (5) is provided with multiple sets of magnets (19), and the plate body (4) is provided with multiple sets of magnets (20) that attract magnets (19).