Distribution line bank and distribution cabinet

Abstract

The utility model relates to a distribution wire row and a power distribution cabinet, and relates to the field of power equipment, the distribution wire row comprises a busbar and a plurality of terminal assemblies, the busbar is uniformly provided with a plurality of threaded holes, the number of the terminal assemblies is multiple, and each terminal assembly is arranged corresponding to the threaded hole; the terminal assembly comprises a rotating member and a fastening screw, one end of the rotating member is rotatably arranged on the busbar, the other end of the rotating member is provided with a positioning hole, and the fastening screw is rotatably arranged in the positioning hole. According to the utility model, the fastening screw is rotatably arranged in the positioning hole of the rotating piece, so that the screw is always connected with the rotating piece in the mounting and dismounting processes, the probability that the screw falls off or is lost is reduced, and the use convenience is increased.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of power equipment especially a distribution line row and distribution cabinet. BACKGROUND

[0002] The distribution line row (commonly known as busbar row or busbar) is a key component in the power distribution system, which is mainly used for connecting the busbar and distributing the power in the busbar to multiple branch circuits of the busbar, and is widely used in substations, distribution cabinets and other facilities.

[0003] At present, the Chinese patent with the publication number CN 222546920 U and the publication date of February 28, 2025 proposes a distribution line row and distribution cabinet, wherein the distribution line row includes a plate body, a locking boss is fixed on the surface of the plate body, a wiring terminal is clamped by the locking boss, a guide column is arranged below the locking boss, a locking structure for pressing and locking the wiring terminal is slidably arranged on the surface of the guide column, and the locking structure includes a sliding plate for pressing the wiring terminal and a locking bolt for fixing.

[0004] In use, the wiring terminal is installed on the locking boss of the plate body, then the sliding plate is controlled to slide along the direction of the guide column, the sliding plate is pressed on the wiring terminal, the wiring terminal is pressed on the plate body, and the position of the sliding plate is fixed by the locking bolt, thereby realizing the locking of the positions of the wiring terminal and the sliding plate.

[0005] For the above-mentioned related technology, the locking structure is used to press the wiring terminal on the plate body, and the locking bolt in the locking structure and the sliding plate for pressing the wiring terminal are two independent components, so when the wiring terminal is installed and removed, the locking bolt needs to be disassembled from the plate body, and there is a probability of falling of the locking bolt, which is inconvenient to use. UTILITY MODEL CONTENTS

[0006] In order to reduce the probability of falling of the locking bolt when the wiring terminal is installed and removed, the utility model provides a distribution line row and distribution cabinet.

[0007] The first aspect: the utility model provides a distribution line row, adopts the following technical scheme:

[0008] A distribution line row, comprising: a busbar and a terminal assembly, a plurality of threaded holes are uniformly arranged on the busbar, a plurality of terminal assemblies are arranged, and each terminal assembly is arranged correspondingly to the threaded hole; the terminal assembly comprises a rotating piece and a fastening screw, one end of the rotating piece is rotatably arranged on the busbar, the other end is provided with a positioning hole, and the fastening screw is rotatably arranged in the positioning hole.

[0009] By adopting the technical scheme, when wiring is needed, only the terminal of the busbar is placed at the threaded hole position on the busbar, then the fastening screw position is adjusted by rotating the rotating member, the fastening screw is corresponded with the threaded hole on the busbar, the fastening screw is installed in the threaded hole of the busbar, and locking operation can be performed; when wiring is removed, only the fastening screw is screwed out of the corresponding threaded hole, and the terminal of the busbar can be removed, and when the fastening screw is screwed out of the threaded hole, the fastening screw is always rotated and arranged in the positioning hole on the rotating member, and the fastening screw does not need to be completely disassembled.

[0010] In this way, by cooperation of the rotatable rotating member and the fastening screw, after the rotating member is rotated and moved away, the position of the threaded hole can be exposed in the field of vision, the terminal of the busbar is corresponded with the threaded hole, and visual interference is reduced; during installation and disassembly of the fastening screw, the fastening screw is rotatably arranged in the positioning hole of the rotating member, the rotating member can be connected with the fastening screw at any time, and the probability of falling of the fastening screw is reduced.

[0011] Optionally, the fastening screw is provided with a clamping groove, and the clamping spring is clamped in the clamping groove.

[0012] By adopting the technical scheme, cooperation of the clamping spring and the clamping groove forms axial positioning of the fastening screw, the probability of the fastening screw being pulled out of the positioning hole is reduced; when the fastening screw is rotated in the positioning hole, the clamping spring is always clamped in the clamping groove to limit the axial position of the screw, and it is ensured that the screw will not be accidentally pulled out of the positioning hole. In this way, the limiting effect of the clamping spring not only ensures the normal rotation function of the fastening screw, but also fundamentally reduces the risk of the screw falling from the rotating member.

[0013] Optionally, the fastening screw is further sleeved with a spring, and the spring has a tendency to pull the fastening screw out of the positioning hole.

[0014] By adopting the technical scheme, the elastic force of the spring continuously acts on the fastening screw, so that the fastening screw has a tendency to exit from the positioning hole; cooperation of the spring and the clamping spring can abut the one end of the clamping spring close to the rotating member against the rotating member under the action of the elastic force, and then the fastening screw is abutted against the rotating member, so that the fastening screw is reduced in the positioning hole.

[0015] Optionally, a fixing member is further included, the rotating member is rotatably arranged on the fixing member, and the fixing member is detachably arranged on the busbar.

[0016] By adopting the technical scheme, the fixing member is connected to the busbar and the rotating member as an independent component; when maintenance or replacement is needed, the fixing member can be removed alone, and the terminal assembly installed on the fixing member is removed from the busbar together with the fixing member; meanwhile, the fixing member with the terminal assembly can be installed on any busbar, and the terminal assembly in the scheme can be used on other busbars. In this way, the fixing member makes the terminal assembly a modular structure, realizes quick disassembly and assembly of the terminal assembly, facilitates maintenance and replacement, and significantly improves the convenience of equipment maintenance.

[0017] Optionally, the rotating member is rotatably arranged below the fixing member, and a limiting part is further arranged on the fixing member and below the rotating member.

[0018] By adopting the technical scheme, the fixing member is arranged below the busbar, and the rotating member is rotatably connected to the fixing member below, so that when the fastening screw is not fixedly arranged in the threaded hole, the rotating member can automatically rotate downward under the action of gravity without manual operation; the limiting part mechanically limits the rotation angle of the rotating member, and when the rotating member rotates under the action of gravity, the limiting part abuts against the rotating member below to prevent the rotating member from continuing to rotate, so that the effective working angle range of the rotating member is ensured, and the problem of structural interference deformation of the rotating member caused by excessive rotation is reduced.

[0019] Optionally, a protection assembly is arranged on the rotating member and at an end of the rotating member away from the busbar.

[0020] By adopting the technical scheme, when the fastening screw is tightened in the threaded hole, the protection assembly covers the fastening screw above to form protection, which can effectively reduce the probability of oxidation pollution of the fastening screw directly exposed to the air; meanwhile, the protection assembly can also reduce the probability of electric shock caused by direct contact of the operator with the fastening screw, thereby improving the operation safety.

[0021] Optionally, the protection assembly comprises a cover body and a plurality of suction accessories, one end of the cover body is rotatably arranged on the rotating member, and the plurality of suction accessories are arranged correspondingly.

[0022] By adopting the technical scheme, the magnetic cover body is kept in a closed state by the adsorption force; when the fastening screw is tightened, the cover body is rotated downward to expose the fastening screw in the environment; after the fastening screw is tightened, the cover body is rotated upward to cover the surface of the fastening screw, and the positions of the two suction accessories correspond to each other, and at this time, the cover body is fixed above the cover body under the adsorption of the two suction accessories. In this way, the protection assembly realizes the quick opening and closing function by the protection cover of the magnetic suction member, which not only has the protection effect but also improves the operation convenience.

[0023] Optionally, the rotating member and the cover body are made of insulating material.

[0024] By adopting the above technical scheme, the rotating member and the cover body made of insulating material form double protection; during live operation, the insulating material effectively blocks the current conduction path. In this way, the structure design of the rotating member and the cover body insulation reduces the possibility of electric shock accidents in the operation process, and significantly improves the safety performance of the equipment.

[0025] Second aspect: the utility model provides a kind of switch board, using following technical scheme:

[0026] A kind of switch board, including cabinet and as described in first aspect the distribution line row, distribution line row is installed in the cabinet.

[0027] By adopting the above technical scheme, when connecting the busbar in the cabinet with the busbar, the terminal of the busbar can be fixedly arranged on the busbar by the terminal assembly on the busbar, and the tightening screw in the terminal assembly is always rotatably arranged on the rotating member during installation and disassembly, which can effectively reduce the probability of the tightening screw falling and improve the convenience of use.

[0028] To sum up, the utility model includes at least one of the following beneficial technical effects:

[0029] By rotatably arranging the tightening screw in the positioning hole of the rotating member and cooperating with the axial limiting design of the snap spring, the screw is always connected with the rotating member during installation and disassembly, without the need for complete disassembly, which fundamentally reduces the probability of the screw falling or being lost and increases the convenience of use.

[0030] The fixing member is provided, and the terminal assembly is integrated on the fixing member, so that the terminal assembly is detachably connected with the busbar, supports overall disassembly or replacement, and is adapted to different busbars, which can simplify the maintenance process, facilitate quick replacement of damaged components, and significantly improve the maintainability and universality of the equipment.

[0031] By providing the protection assembly on the rotating member, oxidation pollution is prevented, and the risk of electric shock is reduced. The protection assembly is fixed by magnetic attraction, is convenient to open and close, and is more convenient to use. BRIEF DESCRIPTION OF DRAWINGS

[0032] Figure 1 It is the overall structure schematic diagram of the embodiment of the application;

[0033] Figure 2 It is the installation schematic diagram of busbar and terminal assembly of the embodiment of the application;

[0034] Figure 3 It is the structure schematic diagram of terminal assembly of the embodiment of the application;

[0035] Figure 4 is Figure 3 another perspective view schematic diagram of the utility model;

[0036] Figure 5 is the terminal assembly structure explosion schematic diagram of the embodiment of the utility model.

[0037] Mark explanation: 100, busbar; 101, threaded hole; 200, terminal assembly; 210, rotating part; 211, positioning hole; 220, fastening screw; 230, clamping spring; 240, spring; 250, fixing part; 251, limiting part; 300, protection assembly; 310, cover body; 320, suction accessory; 400, cabinet body. DETAILED DESCRIPTION

[0038] The utility model will be further explained in detail below. Figures 1 to 5

[0039] The utility model embodiment discloses a power distribution cabinet. Referring to Figure 1 and Figure 2 , a power distribution cabinet mainly includes cabinet body 400 and power distribution wire row installed in cabinet body 400, wherein the power distribution wire row includes busbar 100 and terminal assembly 200 arranged on busbar 100, busbar 100 is fixedly installed in cabinet body 400 through screw, terminal assembly 200 is arranged in plurality, and the plurality of terminal assemblies 200 are evenly arranged on busbar 100, when it is needed to connect busbar in power distribution cabinet with busbar 100, busbar is fixedly arranged on busbar 100 through terminal assembly 200, which realizes the fixation and communication of busbar 100 and busbar.

[0040] Referring to Figure 2 , busbar 100 is copper conductive plate, busbar 100 both ends are fixedly installed on cabinet body 400 through screw respectively, and a plurality of threaded holes 101 are evenly arranged in the middle part of busbar 100 between two screws, terminal assembly 200 is arranged in plurality, and the plurality of terminal assemblies 200 are one-to-one correspondingly arranged below threaded hole 101 on busbar 100, and terminal assembly 200 is used to fix and communicate the terminal of busbar with busbar 100.

[0041] Referring to Figures 3 to 5 ​The terminal assembly 200 comprises a rotating piece 210, a fastening screw 220, a clamping spring 230, a spring 240 and a fixing piece 250, wherein the fixing piece 250 is in a U-shaped structure and is supported by bending a metal sheet, the fixing piece 250 in the U-shaped structure is clamped at the side edges of the lower end of the busbar 100, so that the fixing piece 250 can be clamped and fixed on the busbar 100, two ear plates are arranged on the two sides below the fixing piece 250, through holes are arranged on the ear plates, shafts are arranged in the through holes, and a protruding structure is arranged between the two ear plates below the fixing piece 250, the protruding structure forms a limiting part 251 below the fixing piece 250; the rotating piece 210 is a metal plate structure, a shaft hole is arranged in the bottom of the rotating piece 210 along the direction of the rotating piece 210, the shaft arranged on the ear plate is inserted into the corresponding shaft hole, and the shaft is fixedly arranged on the ear plate, so that the rotating piece 210 is rotationally connected to the fixing piece 250 below the rotating piece 210, a positioning hole 211 is arranged on the upper half of the rotating piece 210, the positioning hole 211 is arranged in a groove type along the length direction of the rotating piece 210, and the diameter of the positioning hole 211 is greater than the diameter of the threaded hole 101; the fastening screw 220 is arranged in the positioning hole 211, the size of the fastening screw 220 is matched with the size of the threaded hole 101, the diameter of the positioning hole 211 is greater than the diameter of the stud of the fastening screw 220, after the fastening screw 220 is installed in the positioning hole 211, the fastening screw 220 is left with a certain assembly gap in the installation hole, after the fastening screw 220 is arranged in the positioning hole 211, the stud of the fastening screw 220 is provided with a clamping groove on the side away from the nut, the clamping spring 230 is clamped in the clamping groove of the stud of the fastening screw 220, so that the fastening screw 220 is limited in the positioning hole 211 by the nut and the clamping spring 230 at both ends of the fastening screw 220 respectively; the spring 240 is sleeved outside the positioning screw, and the two ends of the spring 240 are abutted against the rotating piece 210 and the nut of the fastening screw 220 respectively, at this time, the spring 240 is in a compressed state, so that the spring 240 has a tendency to pull out the fastening screw 220 from the positioning hole 211.

[0042] In other embodiments, a screw can also be arranged on the fixing piece 250, the fixing piece 250 is abutted against the busbar 100 by using the screw, so as to increase the firmness of the connection between the fixing piece 250 and the busbar 100 and reduce the probability of loosening of the fixing piece 250 from the busbar 100.

[0043] When connecting the bus bar, the rotating piece 210 is rotated downward under the action of gravity and abuts against the limiting portion 251 at the bottom of the fixed piece 250, the terminal of the bus bar is first placed in alignment with the threaded hole 101 of the bus bar 100, the rotating piece 210 is then rotated upward so that the rotating piece 210 is pressed against the terminal of the bus bar, finally the position of the fastening screw 220 in the positioning hole 211 is adjusted, the positioning screw is made to correspond to the threaded hole 101, and the positioning screw is inserted into the corresponding threaded hole 101, and the fastening screw 220 is tightened in the corresponding threaded hole 101, so that the terminal of the bus bar is fixed on the bus bar 100, and conduction is realized; when the bus bar is removed, the above steps are reversed; when the fastening screw 220 is tightened, the fastening screw 220 can rotate in the positioning hole 211, and the two ends of the fastening screw 220 are respectively limited by the nut and the snap spring 230, thereby reducing the tendency of the positioning screw to come out of the positioning hole 211; the setting of the elastic piece can reduce the shaking of the fastening screw 220 in the positioning hole 211, thereby stabilizing the screw.

[0044] Referring to Figures 3 to 5 In order to protect the fastening screw 220 and reduce the risk of electric shock caused by accidental contact with the fastening screw 220, a protective assembly 300 is further arranged on the rotating piece 210, the protective assembly 300 comprises a cover body 310 and a suction member 320, wherein the cover body 310 is in the shape of a cover body and can be arranged above the fastening screw 220, the bottom of the cover body 310 is provided with a column structure formed integrally, and the bottom of the rotating piece 210 is provided with a through hole corresponding to the column structure, the column on the cover body 310 is inserted into the through hole on the rotating piece 210, and the cover body 310 is rotatably connected to the rotating piece 210; the suction member 320 is two magnets, one of which is fixedly arranged above the cover body 310, and the other of which is fixedly arranged above the positioning hole 211 of the rotating piece 210; when the cover body 310 is arranged above the fastening screw 220, the magnets on the cover body 310 correspond to the magnets on the rotating piece 210, so that the cover body 310 is fixed by the attraction of the two corresponding magnets.

[0045] In order to reduce the risk of electric shock caused by accidental contact, the cover body 310, the fixed piece 250 and the rotating piece 210 in the embodiment are all made of insulating materials, specifically, the fixed piece 250 and the rotating piece 210 are made of metal plates, and the surfaces of the fixed piece 250 and the rotating piece 210 are treated by paint spraying to make the surfaces of the rotating piece 210 and the fixed piece 250 insulating, and the cover body 310 is made of silica gel.

[0046] The implementation principle of the power distribution wire and the power distribution cabinet is as follows: when wiring is needed, the terminal of the bus bar is placed in the threaded hole 101 on the busbar 100, then the rotating part 210 is rotated to adjust the position of the fastening screw 220, the fastening screw 220 is corresponded with the threaded hole 101 on the busbar 100, the fastening screw 220 is installed in the threaded hole 101 of the busbar 100, finally the cover 310 arranged on the rotating part 210 is arranged above the fastening screw 220, then the suction member 320 on the cover 310 is corresponded with the suction member 320 on the rotating part 210, so that the cover 310 is fixedly arranged on the fastening screw 220.

[0047] In summary, the fastening screw 220 is rotatably arranged in the positioning hole 211 of the rotating part 210, and the axial limiting design of the snap spring 230 is matched, so that the screw is always connected with the rotating part 210 during installation and disassembly, and the probability of falling or losing the screw is reduced; at the same time, the terminal assembly 200 is integrated on the fixing part 250, so that the terminal assembly 200 and the busbar 100 are detachably connected, which can simplify the maintenance process, facilitate quick replacement of damaged parts, and improve the maintainability and universality of the equipment; finally, the protection assembly 300 is arranged on the rotating part 210, which reduces the probability of oxidation pollution caused by direct exposure of the fastening screw 220 to the air, and reduces the risk of electric shock; the protection assembly 300 is fixed by magnetic attraction, which is convenient to open and close, and is more convenient to use.

[0048] The above are preferred embodiments of the utility model, and do not limit the protection scope of the utility model, so that: equivalent changes made according to the structure, shape and principle of the utility model should be covered in the protection scope of the utility model.

Claims

1. A power distribution bus, characterized by, The utility model relates to a power distribution busbar, comprising: a busbar (100) and a terminal assembly (200), the busbar (100) is uniformly provided with a plurality of threaded holes (101), and the terminal assembly (200) is provided with a plurality of terminal assemblies (200), each of which is provided correspondingly with the threaded hole (101); the terminal assembly (200) comprises a rotating piece (210) and a fastening screw (220), one end of the rotating piece (210) is rotatably arranged on the busbar (100), and the other end is provided with a positioning hole (211), and the fastening screw (220) is rotatably arranged in the positioning hole (211).

2. A power distribution bus according to claim 1, wherein: Further comprising a clamping spring (230), the fastening screw (220) is provided with a clamping groove on the stud, and the clamping spring (230) is clamped in the clamping groove.

3. A power distribution line strip as defined in claim 2, wherein: The fastening screw (220) is further sleeved with a spring (240), and the spring (240) has a tendency to pull out the fastening screw (220) from the positioning hole (211).

4. A power distribution strip according to claim 1, wherein: Further comprising a fixing piece (250), the rotating piece (210) is rotatably installed on the fixing piece (250), and the fixing piece (250) is detachably installed on the busbar (100).

5. A distribution line array according to claim 4, wherein: The rotating piece (210) is rotatably arranged below the fixing piece (250), and the fixing piece (250) is further provided with a limiting portion (251) below the rotating piece (210).

6. A power distribution strip according to any of claims 1-5, wherein: The rotating piece (210) is provided with a protection assembly (300), and the protection assembly (300) is arranged at one end of the rotating piece (210) away from the busbar (100).

7. A distribution line array according to claim 6, wherein: The protection assembly (300) comprises a cover body (310) and a suction accessory (320), one end of the cover body (310) is rotatably arranged on the rotating piece (210), and the suction accessory (320) has two, one of which is fixedly arranged on the rotating piece (210), and the other is fixedly arranged on the cover body (310); When the cover body (310) is arranged above the fastening screw (220), the two suction accessories (320) are correspondingly arranged.

8. A distribution line array according to claim 7, wherein: The rotating piece (210) and the cover body (310) are both made of insulating material.

9. A power distribution cabinet, characterized by: The utility model relates to a power distribution busbar, comprising: a cabinet (400) and a power distribution busbar as claimed in any one of claims 1-8, the power distribution busbar is installed in the cabinet (400).

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