Junction box used for power distribution cabinet and capable of preventing wire end from falling off

Abstract

The utility model relates to the technical field of power distribution cabinet parts, in particular to a power distribution cabinet junction box capable of preventing wire heads from falling off, which comprises a box body, a connector is fixedly connected inside the box body, a threaded hole is arranged on the outer wall of the connector, a fixing screw is in threaded connection with the upper surface of the connector, and a cross groove is arranged at one end of the fixing screw. The side wall of the connector is provided with wire plugging holes, the wire plugging holes correspond to the fixing screws, and the upper surface of the connector is fixedly connected with a fixing shell. Compared with the prior art, through the arrangement of the fixing shell and the connecting plug fixed on the fixing column, the connecting plug is connected with the cross-shaped groove in an inserted mode, the fixing screw is fixed, the situation that the fixing screw is not loosened under the condition that the fixing screw is not fastened for a long time is avoided, and the phenomenon that the fixing screw is loosened when other wires are replaced or maintained is prevented. And when the wire is pulled, the fixing screw is loosened, so that other wire heads fall off, and the wire heads of the wire can be effectively prevented from falling off due to the loosening of the fixing screw.

Description

Technical Field

[0001] The utility model relates to the technical field of power distribution cabinet parts, in particular to a junction box for a power distribution cabinet which can prevent wire ends from falling off. Background Art

[0002] The junction box is a transition box that must be set up when the length of the pipeline in the electrical piping line exceeds the distance and number of elbows specified in the specification, and when the pipeline has branches. The box reserved when the pipeline is connected to the load terminal is a junction box. Its function is to facilitate threading, branching and transition wiring.

[0003] The prior art publication number is: CN216489585U, which discloses a waterproof junction box for a power distribution cabinet, including a waterproof box body, a box cover hinged on the top of the waterproof box body, the middle parts of both sides of the waterproof box body and the middle parts of both sides of the waterproof box body are fixedly connected with an incoming line shell, a through opening is opened on the top of the box cover, a fixing box is clamped on the top of the through opening, both sides of the top of the inner wall of the fixing box are fixedly connected with a fixing frame, a cooling fan is fixedly installed in the middle of the fixing frame, both sides of the front side of the waterproof box body and both sides of the back side of the waterproof box body are opened with embedded grooves, cooling fins are fixedly installed inside the embedded grooves, a sealing film is bonded to the middle part of the front side of the incoming line shell, and a rubber pad is fixedly connected to the middle part of the inner wall of the incoming line shell. The utility model is a waterproof junction box for a power distribution cabinet, which improves the heat dissipation effect of the junction box as a whole and avoids the phenomenon that heat cannot be discharged when there are many lines. In addition, the wiring has good sealing performance, thereby improving the waterproof and dustproof performance of the junction box.

[0004] Through the above configuration, the junction box described in the prior art is provided with a waterproof box body, a box cover, a fixing box, an embedded groove and a heat dissipation fin, and the cooling fan can be started to dissipate heat and cool the inside of the junction box, and can also prevent dust and water droplets from entering. However, the junction box of the prior art solution has the following defects during operation:

[0005] When the wires inside the junction box of the prior art need to be repaired, the screws will become loose because the screws are not tightened for a long time, causing the screws and wire ends to fall off. In addition, when repairing, the wire ends need to be pulled, which will cause the loose screws to fall off, and then cause the wire ends to fall off, affecting the normal use of the junction box, thereby affecting the use of the distribution cabinet, and causing unnecessary troubles to the maintenance workers. Utility Model Content

[0006] The utility model is intended to provide a junction box for a power distribution cabinet that can prevent wire ends from falling off, and is mainly used to solve the technical problems in the prior art that the screws are loosened due to the lack of tightening for a long time, thereby causing the screws and wire ends to fall off, and then during the maintenance process, pulling the wires will also cause the screws and wire ends to fall off.

[0007] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0008] A junction box for a power distribution cabinet that can prevent wire ends from falling off comprises a box body, a connector is fixedly connected to the interior of the box body, a threaded hole is provided on the outer wall of the connector, a fixing screw is threadedly connected to the upper surface of the connector, a cross slot is provided at one end of the fixing screw, a wire insertion hole is provided on the side wall of the connector, and the wire insertion hole corresponds to the fixing screw, a fixing shell is fixedly connected to the upper surface of the connector, a plurality of fixing columns are fixedly connected to the inner wall of the fixing shell, the fixing columns are abutted against the fixing screws on the connector, and a plurality of fixing holes corresponding to the wire insertion holes are provided on the outer wall of the fixing shell.

[0009] The working principle and beneficial effects of the utility model:

[0010] 1. Working principle: When you need to use the junction box, first connect the wire ends to the connector, then pick up the box body, then align the plug on the fixing column with the cross slot, and then insert it, and fix the fixing shell to the connector through the threaded rod and the threaded hole to complete the installation.

[0011] 2. Beneficial effects:

[0012] By providing a fixing shell and a plug connector fixed on the fixing column, the plug connector is plugged into the cross slot to fix the fixing screw, thereby preventing the fixing screw from loosening when the fixing screw is not tightened for a long time, preventing the fixing screw from loosening when the wire is pulled when replacing or repairing other wires, causing other wire ends to fall off, and can also effectively prevent the wire ends from falling off due to loosening of the fixing screw.

[0013] Preferably, the inner wall of the threaded hole is threadedly connected with a threaded rod, the outer wall of the fixed shell is fixedly connected with a fixed plate, and the upper surface of the fixed plate is provided with a through hole, and the threaded rod passes through the through hole and is threadedly connected with the threaded hole. By providing the threaded rod and the fixed plate, the fixed shell is fixed on the connector, and the fixing column can fix the fixing screw more firmly and effectively.

[0014] Preferably, a plug connector is fixedly connected to one end of the fixing column away from the fixing shell, the plug connector is in a cross shape, and the plug connector is plugged into the cross groove. The plug connector is plugged into the cross groove, which can effectively fix the fixing screw and prevent the fixing screw from loosening due to rotation of the fixing screw.

[0015] Preferably, the number of the fixing columns is the same as the fixing screws, and the number of the fixing holes is the same as the wire insertion holes and the fixing screws, so that the wiring terminals can be effectively fixed to prevent the wire ends from falling off.

[0016] Preferably, the outer wall of the fixed shell is provided with a pull-up groove, and the inner wall of the pull-up groove is fixedly connected with an anti-skid pad. The fixed shell can be pulled out through the pull-up groove, so that the connector can be repaired conveniently.

[0017] Preferably, a fixing block is fixedly connected to the outer wall of the connector, and the fixing block is fixedly connected to the box body by screws. The connector is fixed to the box body by the fixing block, and the connector can be disassembled and repaired, which is very convenient.

[0018] Preferably, two fixing plates are symmetrically fixed to the outer wall of the fixing shell, which is convenient for fixing the fixing shell and can fix the fixing shell more firmly. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is the exploded structure diagram of this utility model patent;

[0020] Figure 2 This is a cross-sectional structural diagram of the utility model patent;

[0021] Figure 3 This is a cross-sectional structural diagram of the connector of this utility model patent;

[0022] Figure 4 This is the connector structure diagram of this utility model patent.

[0023] The figure marks in the drawings of the specification include: 1. box body; 2. connector; 3. threaded hole; 4. fixing shell; 5. threaded rod; 6. fixing column; 7. fixing hole; 8. plug connector; 9. fixing screw; 10. wire insertion hole; 11. cross groove; 12. fixing plate; 13. through hole; 14. pulling groove; 15. fixing block. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] like Figure 1-4As shown, a junction box for a power distribution cabinet that can prevent wire ends from falling off includes a box body 1, a connector 2 is fixedly connected to the inside of the box body 1, a threaded hole 3 is provided on the outer wall of the connector 2, a threaded rod 5 is threadedly connected to the inner wall of the threaded hole 3, a fixing plate 12 is fixedly connected to the outer wall of a fixing shell 4, and a through hole 13 is provided on the upper surface of the fixing plate 12, the threaded rod 5 passes through the through hole 13 and is threadedly connected to the threaded hole 3, the fixing shell 4 is fixed to the connector 2 by the arranged threaded rod 5 and the fixing plate 12, the fixing column 6 can fix the fixing screw 9 more firmly and effectively, the upper surface of the connector 2 is threadedly connected to the fixing screw 9, one end of the fixing screw 9 is provided with a cross groove 11, and the side wall of the connector 2 is provided with a wire insertion hole 10, and the wire insertion hole 10 corresponds to the fixing screw 9, the upper surface of the connector 2 is fixedly connected to the fixing shell 4, the fixing shell 4 A plurality of fixing columns 6 are fixedly connected to the inner wall, and a plug connector 8 is fixedly connected to one end of the fixing column 6 away from the fixing shell 4. The plug connector 8 is cross-shaped and plugged into the cross slot 11. The plug connector 8 is plugged into the cross slot 11, which can effectively fix the fixing screw 9 to prevent the fixing screw 9 from rotating and causing the fixing screw 9 to loosen. The number of fixing columns 6 is the same as that of the fixing screw 9, and the number of fixing holes 7, the wire insertion hole 10 and the fixing screw 9 is the same, which can effectively fix the wiring terminal to prevent the wire ends from falling off. The fixing columns 6 are abutted against the fixing screws 9 on the connector 2, and the outer wall of the fixing shell 4 is provided with a plurality of fixing holes 7 corresponding to the wire insertion holes 10. Through the setting of the fixing shell 4, the fixing columns 6 form a blockage against the fixing screws 9 to prevent the fixing screws 9 from rotating, thereby effectively preventing the wire ends from falling off.

[0026] From the above, it can be seen that the specific implementation of the utility model is as follows:

[0027] When the junction box needs to be used, first fix the connector 2 inside the box body 1 through the fixing block 15, then insert the wiring terminal into the wire insertion hole 10, and then fix the wiring terminal by tightening the fixing screw 9, then pick up the fixing shell 4 through the pulling groove 14, and then align the fixing column 6 on the inner wall of the fixing shell 4 with the fixing screw 9 and then insert the plug 8 into the cross groove 11, so that the fixing column 6 and the fixing screw 9 are against each other, and then the threaded rod 5 is passed through the through hole 13 and threadedly connected with the threaded hole 3, and the fixing shell 4 is fixed on the connector 2 so that it cannot move, which can effectively prevent the fixing screw 9 from rotating and prevent the wire ends from falling off.

[0028] The above is only an embodiment of the utility model, and the common knowledge such as the known specific structure and characteristics in the scheme is not described in detail here. It should be pointed out that for those skilled in the art, several deformations and improvements can be made without departing from the structure of the utility model, which should also be regarded as the protection scope of the utility model, and these will not affect the effect of the implementation of the utility model and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A junction box for a power distribution cabinet capable of preventing wire ends from falling off, comprising a box body (1), characterized in that: A connector (2) is fixedly connected to the inside of the box body (1), a threaded hole (3) is provided on the outer wall of the connector (2), a fixing screw (9) is threadedly connected to the upper surface of the connector (2), a cross slot (11) is provided at one end of the fixing screw (9), a wire insertion hole (10) is provided on the side wall of the connector (2), and the wire insertion hole (10) corresponds to the fixing screw (9), a fixing shell (4) is fixedly connected to the upper surface of the connector (2), a plurality of fixing columns (6) are fixedly connected to the inner wall of the fixing shell (4), the fixing columns (6) are abutted against the fixing screw (9) on the connector (2), and a plurality of fixing holes (7) corresponding to the wire insertion holes (10) are provided on the outer wall of the fixing shell (4).

2. A junction box for a power distribution cabinet capable of preventing wire ends from falling off according to claim 1, characterized in that: The inner wall of the threaded hole (3) is threadedly connected with a threaded rod (5), the outer wall of the fixed shell (4) is fixedly connected with a fixed plate (12), and the upper surface of the fixed plate (12) is provided with a through hole (13), and the threaded rod (5) passes through the through hole (13) and is threadedly connected with the threaded hole (3).

3. The junction box for a power distribution cabinet capable of preventing wire ends from falling off according to claim 1, characterized in that: A plug connector (8) is fixedly connected to one end of the fixing column (6) away from the fixing shell (4); the plug connector (8) is in a cross shape and is plugged into a cross groove (11).

4. The junction box for a power distribution cabinet capable of preventing wire ends from falling off according to claim 1, characterized in that: The number of the fixing columns (6) is the same as the number of the fixing screws (9), and the number of the fixing holes (7) is the same as the number of the wire insertion holes (10) and the fixing screws (9).

5. The junction box for a power distribution cabinet capable of preventing wire ends from falling off according to claim 1, characterized in that: The outer wall of the fixed shell (4) is provided with a lifting groove (14), and the inner wall of the lifting groove (14) is fixedly connected with an anti-slip pad.

6. The junction box for a power distribution cabinet capable of preventing wire ends from falling off according to claim 1, characterized in that: A fixing block (15) is fixedly connected to the outer wall of the connector (2), and the fixing block (15) is fixedly connected to the box body (1) via screws.

7. The junction box for a power distribution cabinet capable of preventing wire ends from falling off according to claim 2, characterized in that: Two fixing plates (12) are symmetrically fixed to the outer wall of the fixing shell (4).

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