Incoming and outgoing line sealing structure of distribution box

Abstract

The utility model relates to the technical field of distribution boxes, and discloses an incoming and outgoing line sealing structure of a distribution box, which comprises a distribution box consisting of a box body, a partition plate and a fixing mechanism, a box door is arranged outside the box body, a plurality of mounting holes are arranged on the inner side of the box body, and a protective shell with a door plate is arranged outside the box body. When the wiring harness fixing device is used, a user firstly performs threading and then rotates the handle in the protective shell, the handle rotates to drive the bidirectional screw rod to rotate and then can drive the sliding block to move, the sliding block moves to drive the fixing block, the arc-shaped clamping plate and the beveled cylindrical block to move, and the arc-shaped clamping plate moves to fix a wiring harness. And the bevel cylindrical block moves to slide into the through hole and fix the wire harness again, and the bevel cylindrical block seals the through hole in the bottom of the box body, so that the effect of fixing the wire harness is achieved, the through hole in the distribution box can be sealed, dust is prevented from entering the distribution box, and the cleanliness in the distribution box is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of distribution boxes, and in particular to an inlet and outlet line sealing structure of a distribution box. Background Art

[0002] The distribution box is a low-voltage power distribution device that assembles switchgear, measuring instruments, protective electrical appliances and auxiliary equipment in a closed or semi-closed metal cabinet or on a screen according to the requirements of electrical wiring. The distribution box has the characteristics of small size, easy installation, special technical performance, fixed position, unique configuration function, no site restrictions, common application, stable and reliable operation, high space utilization, small footprint and environmental protection. It can reasonably distribute electrical energy, facilitate the opening and closing operation of the circuit, has a high level of safety protection, and can intuitively display the conduction status of the circuit.

[0003] Existing cables generally enter the distribution box inside the distribution cabinet from the bottom. When the cables are pulled, the cable sheath is easily damaged. In severe cases, the cable damage causes unnecessary losses. In addition, the sealing of the distribution box is not high, and dust can easily enter the inside of the distribution box, affecting the service life of the equipment. Utility Model Content

[0004] The purpose of the utility model is to provide an inlet and outlet sealing structure for a distribution box, so as to solve the problem that the existing cables in the prior art generally enter the distribution box inside the distribution cabinet from the bottom, and the cable sheath is easily damaged when the cable is pulled. In serious cases, the cable is damaged and causes unnecessary losses. In addition, the sealing of the distribution box is not high, and dust is easy to enter the interior of the distribution box, affecting the service life of the equipment.

[0005] The utility model provides the following technical solutions: a sealing structure for inlet and outlet lines of a distribution box, comprising a distribution box composed of a box body, a partition, and a fixing mechanism, a box door is arranged on the outside of the box body, a plurality of mounting holes are arranged on the inside of the box body, a protective shell with a door plate is arranged on the outside of the box body, and a plurality of through holes are arranged on the bottom of the box body;

[0006] The partition is provided with a number of threading holes distributed at equal intervals;

[0007] The fixing mechanism includes a limit rod fixedly connected to the inner side of the box body, a plurality of sliders are axially slidably connected to the outer side of the limit rod, a fixed block is fixedly connected to the bottom of the slider, a groove is provided on the inner side of the fixed block, and a spring is fixedly connected to the inner side of the groove. The end of the spring away from the groove is fixedly connected to the slide rod, the end of the slide rod away from the spring is fixedly connected to an oblique cylindrical block, an arc groove is provided on the inner side of the oblique cylindrical block, an arc clamp is fixedly connected to the inner side of the fixed block, and the end of the slider away from the limit rod is threadedly connected to a bidirectional screw, and the outer end of the bidirectional screw is fixedly connected to a handle.

[0008] As a preferred embodiment of the above technical solution, a glass window is provided on the box door, and there are four mounting holes, which are respectively distributed at the four inner corners of the box body, and the specifications and dimensions of each mounting hole are the same.

[0009] As a preferred embodiment of the above technical solution, there are three through holes, which are evenly spaced and distributed on the inner bottom of the box body, and each through hole passes through the bottom panel of the box body, and each through hole has the same specification and size.

[0010] As a preferred embodiment of the above technical solution, there are three groups of threading holes and each group has three threads. The three groups of threading holes are all opened on the partition and the threading holes in each group are evenly spaced. The specifications and sizes of the three groups of threading holes are the same.

[0011] As a preferred embodiment of the above technical solution, both ends of the limit rod are fixedly connected to the inner side of the box body, there are three groups of sliders and each group has two sliders, the three groups of sliders are all slidably connected to the limit rod and the two sliders in each group are symmetrically distributed, the three groups of sliders have the same size, the ends of the three groups of sliders away from the limit rod are threadedly connected to the outside of the bidirectional screw, one end of the bidirectional screw is rotatably connected to the inner side of the box body through a bearing and the other end of the bidirectional screw passes through the box body and is fixedly connected to a handle, and the handle is distributed on the inner side of the protective shell.

[0012] As a preferred embodiment of the above technical solution, the number of fixed blocks, grooves, springs and sliding rods is the same as that of sliders, the three groups of fixed blocks are respectively fixedly connected to the bottoms of the three groups of sliders, the three groups of grooves are respectively opened on the inner sides of the three groups of fixed blocks, one ends of the three groups of springs are respectively fixedly connected to the inner tops of the three groups of grooves and the other ends of the three groups of springs are respectively fixedly connected to the three groups of sliding rods, the three groups of sliding rods are respectively slidably connected to the inner sides of the three groups of grooves and the bottoms of the three groups of sliding rods are all fixedly connected with oblique cylindrical blocks, the sizes of the three groups of oblique cylindrical blocks are respectively matched with the three through holes and the inner sides of the three groups of oblique cylindrical blocks are all provided with arc grooves.

[0013] As a preferred embodiment of the above technical solution, arc-shaped clamping plates are arranged on the inner sides of the three groups of fixing blocks.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] The utility model is provided with a box body, a partition and a fixing mechanism, so that when in use, the user can pass the wiring harness through the wire threading hole on the partition board and then through the through hole at the bottom inner side of the box body, and make the wiring harness be between the three groups of sliders. After that, the user can open the door panel of the protective shell and rotate the handle in the protective shell, and the rotation of the handle drives the two-way screw to rotate, and the rotation of the two-way screw drives the three groups of sliders to move through the limit rod, and the movement of the slider drives the fixing block, the arc clamping plate and the oblique cylindrical block to move, and the arc clamping plate can fix the wiring harness when it moves to a certain position, and the oblique cylindrical block can slide into the through hole through the oblique mouth on its outside when it moves to a certain position, and with the movement of the fixing block, the arc groove on the inner side of the oblique cylindrical block can fix the wiring harness again and the oblique cylindrical block can close the through hole at the bottom of the box body, so as to achieve the effect of fixing the wiring harness, thereby avoiding the problem that the wiring harness is easily disconnected from the electric meter in the distribution box due to being pulled during wiring, and the through hole in the distribution box can also be closed, so as to avoid dust from entering the distribution box, thereby improving the cleanliness in the distribution box. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a first-person perspective stereogram of the sealing structure of the incoming and outgoing wires of a distribution box;

[0017] Figure 2 A second-angle perspective view of an inlet and outlet sealing structure of a distribution box;

[0018] Figure 3 The right side schematic diagram of the sealing structure of the incoming and outgoing wires of a distribution box;

[0019] Figure 4 It is a cross-sectional schematic diagram of the sealing structure of the incoming and outgoing wires of a distribution box;

[0020] Figure 5 It is a top-sectional schematic diagram of the sealing structure of the incoming and outgoing wires of a distribution box;

[0021] Figure 6 for Figure 4 A schematic diagram of the structure enlargement in the middle;

[0022] In the figure: 1. box body; 11. box door; 12. mounting hole; 13. protective shell; 14. through hole; 2. partition; 21. threading hole; 31. limit rod; 32. slider; 33. fixing block; 34. groove; 35. spring; 36. slide rod; 37. oblique cylindrical block; 38. arc groove; 39. arc splint; 310. bidirectional screw; 311. handle. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0024] like Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, the utility model provides a technical solution: a sealing structure for incoming and outgoing lines of a distribution box, comprising a distribution box composed of a box body 1, a partition 2, and a fixing mechanism, a box door 11 is arranged on the outside of the box body 1, a plurality of mounting holes 12 are arranged on the inner side of the box body 1, a protective shell 13 with a door panel is arranged on the outer side of the box body 1, a plurality of through holes 14 are arranged on the bottom of the box body 1, a glass window is arranged on the box door 11, there are four mounting holes 12, the four mounting holes 12 are respectively distributed at the four inner corners of the box body 1, and each mounting hole 12 has the same specification and size, there are three through holes 14, the three through holes 14 are evenly spaced on the inner bottom of the box body 1 and each through hole 14 passes through the bottom panel of the box body 1, and each through hole 14 has the same specification and size, and the user can pass the wiring harness through the threading hole 21 on the partition 2 and then through the through hole 14 at the inner bottom of the box body 1, thereby completing the threading work.

[0025] like Figure 2 As shown, the partition 2 is provided with a plurality of equally spaced threading holes 21, there are three groups of threading holes 21 and each group has three threads, the three groups of threading holes 21 are all provided on the partition 2 and each group of threading holes 21 is equally spaced, the three groups of threading holes 21 have the same specifications and sizes, so that the user can thread multiple bundles of wires through the threading holes 21 on the partition 2.

[0026] like Figure 1 , Figure 2 , Figure 4 , Figure 5 and 6As shown, the fixing mechanism includes a limit rod 31 fixedly connected to the inner side of the box body 1, a plurality of sliders 32 are axially slidably connected to the outer side of the limit rod 31, a fixing block 33 is fixedly connected to the bottom of the slider 32, a groove 34 is provided on the inner side of the fixing block 33, a spring 35 is fixedly connected to the inner side of the groove 34, a sliding rod 36 is fixedly connected to the end of the spring 35 away from the groove 34, an oblique cylindrical block 37 is fixedly connected to the end of the sliding rod 36 away from the spring 35, an arc groove 38 is provided on the inner side of the oblique cylindrical block 37, an arc splint 39 is fixedly connected to the inner side of the fixing block 33, a bidirectional screw 310 is threadedly connected to the end of the slider 32 away from the limit rod 31, a handle 311 is fixedly connected to the outer end of the bidirectional screw 310, and the limit rod 31 is fixedly connected to the outer side of the handle 311. Both ends are fixedly connected to the inner side of the box body 1, there are three groups of sliders 32 and each group has two sliders, the three groups of sliders 32 are slidably connected to the limit rod 31 and the two sliders 32 in each group are symmetrically distributed, and the three groups of sliders 32 have the same size, so that after the wiring harness is completed, the user can open the door panel of the protective shell 13 and turn the handle 311 in the protective shell 13, the rotation of the handle 311 drives the bidirectional screw 310 to rotate, the rotation of the bidirectional screw 310 drives the three groups of sliders 32 to move through the limit rod 31, the movement of the slider 32 drives the fixed block 33, the arc clamping plate 39, and the oblique cylindrical block 37 to move, the arc clamping plate 39 moves to a certain position to fix the wiring harness, and the oblique cylindrical block 37 moves to a certain position and slides into the through hole 1 through the oblique opening on its outside 4, with the movement of the fixing block 33, the arc groove 38 on the inner side of the oblique cylindrical block 37 can fix the wiring harness again and the oblique cylindrical block 37 will close the through hole 14 at the bottom of the box body 1, so as to avoid the problem that the wiring harness is easily disconnected from the electric meter in the distribution box when being pulled during wiring, and the through hole in the distribution box can also be closed to prevent dust from entering the distribution box, thereby improving the cleanliness of the distribution box. One end of the three sets of sliders 32 away from the limit rod 31 is threadedly connected to the outside of the two-way screw 310, one end of the two-way screw 310 is rotatably connected to the inner side of the box body 1 through a bearing, and the other end of the two-way screw 310 passes through the box body 1 and is fixedly connected to a handle 311, which is distributed on the inner side of the protective shell 13. The number of fixed blocks 33, grooves 34, springs 35 and sliding rods 36 are the same as that of the sliders 32. The three groups of fixed blocks 33 are respectively fixedly connected to the bottoms of the three groups of sliders 32. The three groups of grooves 34 are respectively opened on the inner sides of the three groups of fixed blocks 33. One ends of the three groups of springs 35 are respectively fixedly connected to the inner tops of the three groups of grooves 34 and the other ends of the three groups of springs 35 are respectively fixedly connected to the three groups of sliding rods 36. The three groups of sliding rods 36 are respectively slidably connected to the inner sides of the three groups of grooves 34 and the bottoms of the three groups of sliding rods 36 are all fixedly connected with oblique cylindrical blocks 37. The sizes of the three groups of oblique cylindrical blocks 37 are respectively matched with the three through holes 14 and the inner sides of the three groups of oblique cylindrical blocks 37 are all provided with arc grooves 38. The inner sides of the three groups of fixed blocks 33 are all provided with arc splints 39.

[0027] Working principle: When in use, the user can pass the wiring harness through the threading hole 21 on the partition 2 and then through the through hole 14 at the bottom inner side of the box body 1, and make the wiring harness between the three groups of sliders 32. Then the user can open the door panel of the protective shell 13 and turn the handle 311 inside the protective shell 13. The rotation of the handle 311 drives the two-way screw 310 to rotate. The rotation of the two-way screw 310 drives the three groups of sliders 32 to move through the limit rod 31. The movement of the slider 32 drives the fixed block 33, the arc-shaped clamping plate 39, and the beveled cylindrical block 37 to move. The arc-shaped clamping plate 39 moves to a certain position to fix the wiring harness, and the beveled cylindrical block 37 moves to a certain position and slides into the through hole 14 through its external bevel. With the movement of the fixing block 33, the arc-shaped groove 38 on the inner side of the beveled cylindrical block 37 can fix the wiring harness again and the beveled cylindrical block 37 will close the through hole 14 at the bottom of the box body 1.

[0028] The above embodiments are only used to illustrate the technical solution of the present invention, but not to limit it.

Claims

1. A sealing structure for inlet and outlet lines of a distribution box, comprising a distribution box composed of a box body (1), a partition (2), and a fixing mechanism, characterized in that: The box body (1) is provided with a box door (11) on the outside, a plurality of mounting holes (12) are provided on the inside of the box body (1), a protective shell (13) with a door panel is provided on the outside of the box body (1), and a plurality of through holes (14) are provided on the bottom of the box body (1); The partition plate (2) is provided with a plurality of threading holes (21) distributed at equal intervals; The fixing mechanism comprises a limit rod (31) fixedly connected to the inner side of the box body (1); a plurality of sliders (32) are axially slidably connected to the outer side of the limit rod (31); a fixing block (33) is fixedly connected to the bottom of the slider (32); a groove (34) is formed on the inner side of the fixing block (33); and a spring (35) is fixedly connected to the inner side of the groove (34).

2. The sealing structure for inlet and outlet lines of a distribution box according to claim 1, characterized in that: One end of the spring (35) is fixedly connected to a slide rod (36) on the groove (34); one end of the slide rod (36) is fixedly connected to an oblique cylindrical block (37) on the spring (35); an arc groove (38) is provided on the inner side of the oblique cylindrical block (37); an arc clamping plate (39) is fixedly connected to the inner side of the fixed block (33); one end of the slider (32) away from the limiting rod (31) is threadedly connected to a bidirectional screw (310); and the outer end of the bidirectional screw (310) is fixedly connected to a handle (311).

3. The sealing structure for incoming and outgoing lines of a distribution box according to claim 1, characterized in that: The box door (11) is provided with a glass window, and there are four mounting holes (12). The four mounting holes (12) are respectively distributed at the four inner corners of the box body (1), and the specifications and dimensions of each mounting hole (12) are the same.

4. The sealing structure for incoming and outgoing wires of a distribution box according to claim 1, characterized in that: There are three through holes (14), which are evenly spaced and distributed on the inner bottom of the box body (1), and each through hole (14) passes through the bottom panel of the box body (1), and each through hole (14) has the same size.

5. The sealing structure for incoming and outgoing lines of a distribution box according to claim 1, characterized in that: There are three groups of threading holes (21), each group having three threads. The three groups of threading holes (21) are all opened on the partition (2), and the threading holes (21) in each group are evenly spaced. The three groups of threading holes (21) have the same specifications and sizes.

6. The sealing structure for inlet and outlet lines of a distribution box according to claim 1, characterized in that: Both ends of the limit rod (31) are fixedly connected to the inner side of the box body (1); there are three groups of sliders (32), each group having two sliders; the three groups of sliders (32) are all slidably connected to the limit rod (31), and the two sliders (32) in each group are symmetrically distributed; the three groups of sliders (32) have the same size; one end of the three groups of sliders (32) away from the limit rod (31) is threadedly connected to the outside of the bidirectional screw (310); one end of the bidirectional screw (310) is rotatably connected to the inner side of the box body (1) via a bearing; the other end of the bidirectional screw (310) passes through the box body (1) and is fixedly connected to a handle (311); the handle (311) is distributed on the inner side of the protective shell (13).

7. The sealing structure for incoming and outgoing wires of a distribution box according to claim 1, characterized in that: The number of the fixed blocks (33), the grooves (34), the springs (35) and the slide bars (36) is the same as that of the slide bars (32). The three groups of the fixed blocks (33) are respectively fixedly connected to the bottoms of the three groups of slide bars (32). The three groups of the grooves (34) are respectively opened on the inner sides of the three groups of the fixed blocks (33). One ends of the three groups of the springs (35) are respectively fixedly connected to the inner tops of the three groups of the grooves (34) and the other ends of the three groups of the springs (35) are respectively fixedly connected to the three groups of the slide bars (36). The three groups of the slide bars (36) are respectively slidably connected to the inner sides of the three groups of the grooves (34) and the bottoms of the three groups of the slide bars (36) are all fixedly connected with oblique cylindrical blocks (37). The sizes of the three groups of the oblique cylindrical blocks (37) are respectively matched with the three through holes (14) and the inner sides of the three groups of the oblique cylindrical blocks (37) are all provided with arc grooves (38).

8. The sealing structure for incoming and outgoing wires of a distribution box according to claim 6, characterized in that: The inner sides of the three groups of fixing blocks (33) are all provided with arc-shaped clamping plates (39).

Images