Quick connection device for cable of low-voltage branch box

Abstract

The invention provides a low-voltage branch box cable quick connection device which comprises a storage box, at least three adapters are fixed to the side wall of the storage box, a CR cotton material mold groove is formed in the storage box, cable clamps are placed in the CR cotton material mold groove and connected with the adapters through wires, the wires are of a certain length, and the adapters are arranged in the CR cotton material mold groove. The CR cotton material mold groove is further provided with a wire storage cavity. The low-voltage branch box busbar switching device is small and exquisite in structure and convenient to carry, rapid assembling and disassembling of the low-voltage branch box busbar switching device are achieved, and cost and efficiency can be well considered.

Description

Technical Field

[0001] The invention relates to the technical field of low-voltage branch boxes, in particular to a low-voltage branch box cable quick-connect device. Background Art

[0002] The transformer is old and needs to be replaced frequently, which will inevitably cause power outages for users; the work of replacing transformers will inevitably require power generation to ensure power supply to users; the internal structure of the distribution box and branch box is compact, the busbar spacing is small, and there are certain difficulties in low-voltage access of the generator truck; in order to avoid power outages caused by power operations, a generator truck is generally used to connect the low-voltage branch box on site for power supply, and the existing connection method is generally to tighten the screws, and some are to directly connect a transfer box to the low-voltage branch box, and the transfer box is permanently fixed, such as referring to Chinese Patent Publication No. CN206490335U A power generation vehicle access box includes a box body, the box body is provided with an installation chamber and a mounting plate; a first power connection mechanism, the first power connection mechanism includes a plug assembly installed on the mounting plate, and a first power connection line provided in the installation chamber and electrically connected to the plug assembly; and a second power connection mechanism, the second power connection mechanism includes a connector assembly installed on the inner wall of the installation chamber, and a second power connection line provided in the installation chamber and electrically connected to the connector assembly, the first power connection line and the second power connection line being connected in parallel to form a power supply line for electrically connecting to an AC panel cabinet. Although the access box can realize the ability of two or more power generation vehicles to alternately and seamlessly connect to draw power, its overall structure is large. If each low-voltage branch box is connected to one, the cost is high. If the access box is disassembled after use, it is time-consuming and inconvenient to transport. Therefore, the existing technology cannot take into account both cost and efficiency when connecting to the low-voltage branch box busbar. Summary of the Invention

[0003] The present invention solves the problem that the existing technology cannot take into account both cost and efficiency when connecting the low-voltage branch box busbar, and proposes a low-voltage branch box cable quick-connect device with a compact structure and easy to carry to achieve rapid assembly and disassembly of the low-voltage branch box busbar adapter device, which can well take into account cost and efficiency.

[0004] In order to achieve the above objectives, the following technical solutions are proposed: A low-voltage branch box cable quick-connect device includes a storage box with a CR cotton molded slot, the slot housing a cable clamp, and a plurality of adapters. The slot also includes a wire storage cavity for storing wires connecting the cable clamp and the adapters. The present invention includes a storage box having at least three adapters fixed to its sidewalls, a CR cotton molded slot within the box, a cable clamp placed within the slot, and a wire connected to the adapter via a wire of a specified length. The CR cotton molded slot also includes a wire storage cavity.

[0005] The present invention stores the quick connector in a storage box for easy carrying. When switching is needed, the quick connector can be directly taken out from the storage box and connected to the low-voltage branch box busbar. It is convenient and efficient to use. Tools of different shapes can be placed in different molds through the CR cotton material mold groove, corresponding one to one, which is convenient for the storage of quick connectors.

[0006] Preferably, the storage box includes a box body and a box cover rotatably connected to the box body, and a handle is fixed to the outside of the box body.

[0007] Preferably, the adapter is nested in the side wall of the box body, and the adapter is clamped on the connecting shell, which is threadedly connected to the side wall of the box body.

[0008] Preferably, the cable clamp is provided with a first clamping part and a second clamping part which is sleeved and slid on the first clamping part, the first clamping part is threadedly connected with a fastener for pressing the second clamping part, the first clamping part and the second clamping part are internally provided with a connected cavity, a metal sheet is provided in the cavity, the metal sheet portion is arranged between the second clamping part and the first clamping part, and the metal sheet is connected with a wire.

[0009] The cable clamp includes a first clamping part, which is slidably connected to a second clamping part. The first clamping part is threadedly connected to a fastener on one side of the second clamping part. A metal sheet is clamped on a side of the second clamping part close to the first clamping part. Both the first clamping part and the second clamping part are provided with a cavity. The metal sheet is provided with an extension section, which is arranged in the cavity, and the end of the extension section is connected to the wire.

[0010] The present invention provides a cable adapter that can be conveniently fixed on the low-voltage branch box busbar. The specific fixing method is to directly reserve a gap between the first clamping part and the second clamping part for clamping into the low-voltage branch box busbar, and then by screwing the fastener, the fastener drives the second clamping part to move in the direction of the backlog busbar, so that the metal sheet provided on the second clamping part is in close contact with the busbar, so that the busbar and the adapter are connected to form a passage. The adapter of the present invention is matched with the plug assembly of the power generation vehicle, and the adapter and the plug assembly of the power generation vehicle are connected by cable plugging. The present invention can realize the rapid loading and unloading of the low-voltage branch box busbar cable, and can meet the rapid switching of power supply for more than two power generation vehicles. The present invention has a compact structure and is easy to carry to realize the rapid loading and unloading of the low-voltage branch box busbar adapter, which can well balance cost and efficiency.

[0011] Preferably, the first clamping portion is provided with a first section, the second clamping portion is slidably connected to the first section, one end of the first section is connected to a connecting pipe, and the other end of the first section is provided with a vertical clamp section.

[0012] The first clamping portion includes a first section with a rectangular cross-section and a connecting tube, one end of the first section is connected to the connecting tube, and the other end of the first section is provided with a vertical clamp section, the second clamping portion is slidably connected to the first section, the fastener is threadedly connected to the connecting tube, and the first section is provided with an opening, which is connected to the internal cavity of the first clamping portion.

[0013] Preferably, a first slot is provided at the end of the extension section, a conductive sheet with a slot is provided at the connecting end of the adapter, one end of the wire is wound around the first slot, and the other end of the wire is wound around the slot of the conductive sheet.

[0014] Preferably, a biting tooth is provided on a side of the clamp segment close to the second clamping portion.

[0015] Preferably, the end of the connecting pipe is threadedly connected to a wire outlet cover, the wire outlet cover is provided with a wire outlet hole, and the wire passes through the wire outlet hole.

[0016] The beneficial effects of the present invention are as follows: the present invention has a compact structure, is easy to carry, and can realize rapid assembly and disassembly of the low-voltage branch box busbar adapter, and can well balance cost and efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 is a schematic diagram of the embodiment device in use; Figure 2 is a schematic diagram of the embodiment device when it is stored; Among them: 1. First clamping part; 2. Second clamping part; 3. Fastener; 4. Metal sheet; 5. Adapter; 6. Wire; 7. Connecting shell; 8. Box cover; 9. Box body; 10. Handle; 11. Clamp section; 12. First section; 13. Connecting tube; 14. Opening; 15. CR cotton material mold groove; 16. Wire outlet cover. DETAILED DESCRIPTION

[0018] Example 1: This embodiment proposes a low-voltage branch box cable quick-connect device, referring to Figure 1 Figure 2At least three adapters 5 are fixed to the side wall of the storage box. A CR cotton material mold groove 15 is provided inside the storage box. A cable clamp is placed in the CR cotton material mold groove 15. The cable clamp is connected to the adapter 5 through a wire 6. The wire 6 has a certain length. The CR cotton material mold groove 15 also has a wire storage cavity. Through the CR cotton material mold groove, tools of different shapes can be placed in different molds, one by one, to facilitate the storage of quick connectors. The storage box includes a box body 9 and a box cover 8 rotatably connected to the box body 9. A handle 10 is fixed to the outside of the box body 9. The cable clamp includes a first clamping part 1, which is slidably connected to the second clamping part 2. The first clamping part 1 is located on one side of the second clamping part 2 and is threadedly connected to a fastener 3. A metal sheet 4 is clamped on the side of the second clamping part 2 close to the first clamping part 1. The first clamping part 1 and the second clamping part 2 are both provided with a cavity. The metal sheet 4 is provided with an extension section. The extension section is arranged in the cavity. The end of the extension section is connected to the adapter 5 through a wire 6. The existing technology includes a box body, which is provided with an installation chamber and a mounting plate; a first power connection mechanism, which includes a plug assembly installed on the mounting plate, and a first power connection line arranged in the installation chamber and electrically connected to the plug assembly; and a second power connection mechanism, which includes a connector assembly installed on the inner wall of the installation chamber, and a second power connection line arranged in the installation chamber and electrically connected to the connector assembly. The first power connection line and the second power connection line are connected in parallel to form a power supply line for electrically connecting to the AC panel cabinet. Although the access box can realize the ability of two or more power generation vehicles to alternately and seamlessly connect to draw power, its overall structure is large. If each low-voltage branch box is connected to one, the cost is high. If the access box is disassembled after use, it is time-consuming and inconvenient to transport. Therefore, the existing technology cannot take into account both cost and efficiency when connecting the low-voltage branch box busbar. Compared with the prior art, the present invention is provided with a cable adapter device that can be conveniently fixed on the low-voltage branch box busbar. The specific fixing method is to directly reserve a gap between the first clamping part 1 and the second clamping part 2 for clamping into the low-voltage branch box busbar, and then by screwing the fastener 3, the fastener 3 drives the second clamping part 2 to move in the direction of the backlog busbar, so that the metal sheet 4 provided on the second clamping part 2 is in close contact with the busbar, so that the busbar and the adapter 5 are connected to form a passage. The adapter 5 of the present invention is matched with the plug assembly of the power generation vehicle, and the adapter 5 is connected to the plug assembly of the power generation vehicle by plugging and unplugging the cable. The present invention can realize the rapid loading and unloading of the low-voltage branch box busbar cable, and can meet the rapid switching of power supply for more than two power generation vehicles. The present invention has a compact structure and is easy to carry to realize the rapid loading and unloading of the low-voltage branch box busbar adapter device, which can well balance cost and efficiency.

[0019] Example 2: This embodiment optimizes and improves the structure of the adapter on the basis of embodiment 1, and proposes a low-voltage branch box cable quick connection device. Figure 1 Figure 2 At least three adapters 5 are fixed to the side wall of the storage box, and the adapters 5 are nested in the side wall of the box body 9. The adapter 5 is clamped on the connecting shell 7, and the connecting shell 7 is threadedly connected to the side wall of the box body 9. A CR cotton material mold groove 15 is provided in the storage box, and a cable clamp is placed in the CR cotton material mold groove 15. The cable clamp is connected to the adapter 5 through a wire 6. The wire 6 has a certain length. The CR cotton material mold groove 15 is also provided with a wire storage cavity; tools of different shapes can be placed in different molds through the CR cotton material mold groove, corresponding one by one, which is convenient for the storage of quick connectors. The storage box includes a box body 9 and a box cover 8 rotatably connected to the box body 9. A handle 10 is fixed on the outside of the box body 9. The cable clamp includes a first clamping part 1, which is slidably connected to a second clamping part 2. The first clamping part 1 is located on one side of the second clamping part 2 and is threadedly connected to a fastener 3. A metal sheet 4 is clamped on a side of the second clamping part 2 close to the first clamping part 1. Both the first clamping part 1 and the second clamping part 2 are provided with a cavity. The metal sheet 4 is provided with an extension section, which is arranged in the cavity. The end of the extension section is connected to the adapter 5 through a wire 6.

[0020] Example 3: This embodiment optimizes and improves the structure of the first clamping portion on the basis of embodiment 1, and proposes a low-voltage branch box cable quick connection device. Figure 1 Figure 2At least three adapters 5 are fixed to the side wall of the storage box. A CR cotton material mold groove 15 is provided inside the storage box. A cable clamp is placed in the CR cotton material mold groove 15. The cable clamp is connected to the adapter 5 through a wire 6. The wire 6 has a certain length. The CR cotton material mold groove 15 also has a wire storage cavity. Through the CR cotton material mold groove, tools of different shapes can be placed in different molds, one by one, to facilitate the storage of quick connectors. The storage box includes a box body 9 and a box cover 8 rotatably connected to the box body 9. A handle 10 is fixed to the outside of the box body 9. The cable clamp includes a first clamping part 1, which is slidably connected to the second clamping part 2. The first clamping part 1 is located on one side of the second clamping part 2 and is threadedly connected to a fastener 3. A metal sheet 4 is clamped on the side of the second clamping part 2 close to the first clamping part 1. The first clamping part 1 and the second clamping part 2 are both provided with a cavity. The metal sheet 4 is provided with an extension section. The extension section is arranged in the cavity. The end of the extension section is connected to the adapter 5 through a wire 6. The first clamping part 1 is provided with a first section 12, and the second clamping part 2 is slidably connected to the first section 12. One end of the first section 12 is connected to a connecting pipe 13, and the other end of the first section 12 is provided with a vertical clamp section 11. The first clamping part 1 includes a first section 12 with a rectangular cross-section and a connecting pipe 13. One end of the first section 12 is connected to the connecting pipe 13, and the other end of the first section 12 is provided with a vertical clamp section 11. The second clamping part 2 is slidably connected to the first section 12. The clamp section 11 and the second clamping part 2 form a clamp-like structure for the low-voltage branch box busbar, and the clamping fastener 3 is threadedly connected to the connecting pipe 13. The clamping fastener 3 drives the second clamping part 2 to slide when it is screwed in. When it is screwed to the clamping position, fixed clamping is achieved due to the self-locking of the thread. The first section 12 is provided with an opening 14, and the opening 14 is connected to the internal cavity of the first clamping part 1. The clamp section 11 is provided with a biting tooth on the side close to the second clamping part 2. The purpose of providing the biting teeth in this embodiment is to increase the biting force and prevent the first clamping portion from falling off from the low-voltage branch box busbar.

[0021] Example 4: This embodiment optimizes and improves the structure of the connection mode of the conductor 6 on the basis of embodiment 3, and proposes a low-voltage branch box cable quick connection device. Figure 1 Figure 2At least three adapters 5 are fixed to the side wall of the storage box. A CR cotton material mold groove 15 is provided inside the storage box. A cable clamp is placed in the CR cotton material mold groove 15. The cable clamp is connected to the adapter 5 through a wire 6. The wire 6 has a certain length. The CR cotton material mold groove 15 also has a wire storage cavity. Through the CR cotton material mold groove, tools of different shapes can be placed in different molds, one by one, to facilitate the storage of quick connectors. The storage box includes a box body 9 and a box cover 8 rotatably connected to the box body 9. A handle 10 is fixed to the outside of the box body 9. The cable clamp includes a first clamping part 1, which is slidably connected to the second clamping part 2. The first clamping part 1 is located on one side of the second clamping part 2 and is threadedly connected to a fastener 3. A metal sheet 4 is clamped on the side of the second clamping part 2 close to the first clamping part 1. The first clamping part 1 and the second clamping part 2 are both provided with a cavity. The metal sheet 4 is provided with an extension section. The extension section is arranged in the cavity. The end of the extension section is connected to the adapter 5 through a wire 6. The end of the extension section is provided with a first card slot, and the connection end of the adapter 5 is provided with a conductive sheet with a card slot. One end of the wire 6 is wrapped around the first card slot, and the other end of the wire 6 is wrapped around the card slot of the conductive sheet. A certain length of the wire 6 is reserved. A heat shrink sleeve 8 is provided at the connection between the wire 6 and the end of the extension section and the connection with the conductive sheet. The adapter 5 is clamped on the connection shell 7, and the connection shell 7 is threadedly connected to the end of the first clamping part 1. The end of the connecting tube 13 is threadedly connected to the wire outlet cover 16, and the wire outlet cover 16 is provided with a wire outlet hole, and the wire 6 passes through the wire outlet hole. The first clamping part 1 is provided with a first section 12, and the second clamping part 2 is slidably connected to the first section 12. One end of the first section 12 is connected to the connecting tube 13, and the other end of the first section 12 is provided with a vertical clamp section 11. The first clamping part 1 includes a first section 12 with a rectangular cross-section and a connecting pipe 13. One end of the first section 12 is connected to the connecting pipe 13. The other end of the first section 12 is provided with a vertical clamp section 11. The second clamping part 2 is slidably connected to the first section 12. The clamp section 11 and the second clamping part 2 form a clamp-like structure for the low-voltage branch box busbar. The clamping fastener 3 is threadedly connected to the connecting pipe 13. The clamping fastener 3 drives the second clamping part 2 to slide when it is screwed in. When it is screwed to the clamping position, the self-locking of the thread achieves fixed clamping. The first section 12 is provided with an opening 14, which is connected to the internal cavity of the first clamping part 1. The clamp section 11 is provided with a biting tooth on the side close to the second clamping part 2. The purpose of providing the biting tooth in this embodiment is to increase the bite force and prevent the first clamping part from falling off from the low-voltage branch box busbar.

[0022] The installation process of this embodiment is as follows: S1. Slide the second clamping part 2 from one end of the principle clamp section 11 to the first section 12; S2, first fix one end of the wire 6 to the end of the extended section of the metal sheet 4 and put on the heat shrink sleeve 8; S3, inserting the extended section of the metal sheet 4 from the inner cavity of the second clamping portion 2 into the opening 14, and then inserting it into the inner cavity of the connecting tube 13 through the opening 14; S4, hook out the other end of the wire 6, and then fix the other end of the wire 6 on the adapter 5; S5. Thread the connection shell 7 of the adapter 5 onto the side wall of the box 9 to complete the installation.

[0023] Therefore, the present invention has the following advantages: A cable adapter device is provided that can be conveniently fixed on the low-voltage branch box busbar. The specific fixing method is to directly reserve a gap between the first clamping part 1 and the second clamping part 2 for clamping into the low-voltage branch box busbar, and then by screwing the fastener 3, the fastener 3 drives the second clamping part 2 to move in the direction of the backlog busbar, so that the metal sheet 4 provided on the second clamping part 2 is in close contact with the busbar, so that the busbar and the adapter 5 are connected to form a passage. The adapter 5 of the present invention is provided in conjunction with the plug assembly of the power generation vehicle, and the adapter 5 is connected to the plug assembly of the power generation vehicle by plugging and unplugging the cable. The present invention can realize the rapid loading and unloading of the low-voltage branch box busbar cable, and can meet the rapid switching of power supply for more than two power generation vehicles. The present invention has a compact structure and is easy to carry to realize the rapid loading and unloading of the low-voltage branch box busbar adapter device, which can well balance cost and efficiency.

[0024] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the invention can be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be included therein. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0025] The above are only preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the concept of the present invention. These should also be regarded as the scope of protection of the present invention. These will not affect the effect of the implementation of the present invention and the practicality of the patent.

Claims

1. A low voltage branch box cable quick connection device, characterized in that: The invention comprises a storage box provided with a CR cotton material mold groove (15), wherein the CR cotton material mold groove (15) stores a cable clamp, and the storage box is provided with a plurality of adapters, wherein the CR cotton material mold groove (15) is provided with a wire storage cavity for storing wires (6) connecting the cable clamp and the adapter.

2. A low-voltage branch box cable quick-connect device according to claim 1, characterized in that: The storage box comprises a box body (9) and a box cover (8) rotatably connected to the box body (9); a handle (10) is fixed on the outside of the box body (9).

3. A low-voltage branch box cable quick-connect device according to claim 2, characterized in that: The adapter (5) is nested in the side wall of the box (9).

4. A low-voltage branch box cable quick-connect device according to any one of claims 1 to 3, characterized in that: The cable clamp is provided with a first clamping part (1) and a second clamping part (2) which is sleeved and slidably mounted on the first clamping part (1); the first clamping part (1) is threadedly connected to a fastener (3) for pressing the second clamping part (2); a connected cavity is provided inside the first clamping part (1) and the second clamping part (2); a metal sheet (4) is provided in the cavity; the metal sheet (4) is partially arranged between the second clamping part (2) and the first clamping part; and the metal sheet (4) is connected to a wire (6).

5. A low-voltage branch box cable quick-connect device according to claim 4, characterized in that: The first clamping portion (1) is provided with a first section (12), the second clamping portion (2) is slidably connected to the first section (12), one end of the first section (12) is connected to a connecting pipe (13), and the other end of the first section (12) is provided with a vertical clamp section (11).

6. A low-voltage branch box cable quick-connect device according to claim 4, characterized in that: A first slot is provided at the end of the extension section, a conductive sheet with a slot is provided at the connection end of the adapter (5), one end of the wire (6) is wound around the first slot, and the other end of the wire (6) is wound around the slot of the conductive sheet.

7. A low-voltage branch box cable quick-connect device according to claim 5, characterized in that: The side of the clamp segment (11) close to the second clamping portion (2) is provided with biting teeth.

8. A low-voltage branch box cable quick-connect device according to claim 5 or 7, characterized in that: The end of the connecting pipe (13) is threadedly connected to a wire outlet cover (16), and the wire outlet cover (16) is provided with a wire outlet hole, through which the wire (6) passes.

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