Bus duct quick connector

Abstract

The utility model relates to the technical field of electrical facilities, and provides a quick connector for a bus duct. The utility model relates to a bus duct quick connector, which comprises a rotary drum, two end plates, a plurality of insulating plates and a fastener, wherein the two end plates and the plurality of insulating plates are sleeved on the rotary drum; the fastener penetrates through the rotary drum; the insulating plates are provided with conductor plates used for conducting the two conducting bars, and the insulating plates are stacked between the two end plates in the axial direction of the rotary drum. After being fastened, the fasteners can extrude the end plates from the two sides, so that the conductor plates tightly press the conducting bars; a separation part is hinged to the fastener, a first pushing part and a second pushing part are arranged on the rotary drum, and when the rotary drum rotates in the preset direction relative to the fastener, the separation part is pushed by the first pushing part to be unfolded so as to separate the adjacent insulating plates; and when the rotating drum reversely rotates along the preset direction relative to the fastener, the separation part is pushed by the second pushing part to be folded. According to the quick connector for the bus duct, an operator can conveniently align the gaps among the insulating plates with the conducting bars for installation, and the installation efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the field of electrical facilities technology, and in particular to a busbar quick connector. Background Technology

[0002] Busbar trunking is a closed metal device made of copper or aluminum busbars, used to distribute larger amounts of power to various components in a distributed system. It has increasingly replaced traditional wires and cables in indoor low-voltage power transmission trunk line projects. Busbar trunking is connected to each other via busbar trunking connectors, which are important components in power systems. Their main function is to connect adjacent busbar trunking to form an electrical path, ensuring efficient transmission and distribution of electrical energy.

[0003] Busbar connectors have multiple insulating plates, each with a conductor plate. Two adjacent insulating plates can clamp the conductive bars of two busbars, and the conductor plates on the insulating plates connect the two conductive bars, enabling electrical conductivity between the two busbars. However, during installation, the insulating plates may stick to each other, requiring manual adjustment of their positions. This makes it difficult to align the insulating plates with the conductive bars, resulting in low installation efficiency. Utility Model Content

[0004] In view of this, the present invention aims to provide a quick connector for busbar trunking to improve installation efficiency.

[0005] To achieve the above objectives, the technical solution of this utility model is implemented as follows:

[0006] A busbar quick connector includes a rotating cylinder, two end plates and a plurality of insulating plates sleeved on the rotating cylinder, and fasteners penetrating the rotating cylinder;

[0007] The insulating plate is provided with a conductor plate for conducting two conductive bars, and each of the insulating plates is stacked between the two end plates along the axial direction of the rotating cylinder; after the fastener is tightened, it can squeeze the end plates from both sides so that the conductor plate presses the conductive bar.

[0008] The fastener is hinged with a partition, and the rotating drum is provided with a first pushing part and a second pushing part. When the rotating drum rotates relative to the fastener in a preset direction, the partition is pushed open by the first pushing part to separate the adjacent insulating plates. When the rotating drum rotates in the opposite direction relative to the fastener in a preset direction, the partition is pushed closed by the second pushing part and does not protrude from the circumferential outer surface of the rotating drum.

[0009] Furthermore, the fastener includes a locking pin and a nut;

[0010] One end of the locking pin is provided with an anti-rotation block, and the other end passes through all the end plates and the insulating plate and is screwed with the nut; the end plate is provided with an anti-rotation groove for locking the anti-rotation block to prevent the locking pin from rotating.

[0011] Furthermore, the end of the rotating drum facing the anti-rotation block passes through the end plate and is connected to a turntable, and the rotating drum moves with the turntable.

[0012] Furthermore, the dividing portion is in the shape of an arc-shaped strip;

[0013] The rotating drum has a receiving hole corresponding to the partition. When the partition is closed, it is stored in the receiving hole and abuts against the circumferential outer wall of the locking pin.

[0014] Furthermore, the first pushing part includes a first pushing surface that is inclinedly disposed on the wall of the receiving hole;

[0015] When the rotating cylinder rotates relative to the locking pin in a preset direction, the partition is pushed out of the receiving hole by the first pushing surface.

[0016] Furthermore, the second pushing part includes a second pushing surface that is inclinedly disposed on the wall of the receiving hole;

[0017] When the rotating cylinder rotates in the opposite direction to the locking pin in a preset direction, the partition is pushed by the second pushing surface and rotates into the receiving hole.

[0018] Furthermore, the front part of the partition is wedge-shaped in its unfolding direction.

[0019] Furthermore, the insulating plate is provided with a through hole for the rotating drum to pass through, and the opening of the through hole is chamfered.

[0020] Furthermore, the fastener also includes a pressure cylinder sleeved on the locking post, and the nut pushes the end plate through the pressure cylinder to press the conductor plate against the conductive bar;

[0021] The pressure cylinder has an opening on the side facing the anti-rotation block that can accommodate the end of the rotating cylinder.

[0022] Furthermore, the end plate is provided with a receiving cavity that extends radially through the locking pin, and the turntable is disposed within the receiving cavity.

[0023] Compared with the prior art, this utility model has the following advantages:

[0024] The busbar quick connector of this utility model, by setting a fastener with a partition and a rotating cylinder with a first pushing part and a second pushing part, can make the partition open or close when rotating the rotating cylinder. When the partition is opened, it can separate adjacent insulating plates to maintain the gap between the insulating plates, so that the operator can align each gap with the conductive busbar for installation, thereby improving the installation efficiency.

[0025] Secondly, the fastener is configured as a combination of a locking pin and a nut, with an anti-rotation block on the locking pin. This prevents the locking pin from rotating relative to the end plate when tightening the bolt, facilitating fastening. A turntable is installed at one end of the rotating drum, allowing operators to easily rotate the drum to actuate the partition without the need for special tools, thus improving ease of operation. Designing the partition as an arc-shaped strip allows for a smaller volume of the receiving hole while still accommodating the partition, contributing to a reduction in the overall dimensions of the rotating drum.

[0026] Furthermore, a first pushing surface is provided, which can force the partition to rotate out of the receiving hole when the drum rotates, achieving rapid separation of the insulation board without additional manual intervention. A second pushing surface is provided, which forces the partition to retract and reset when the drum rotates in the opposite direction, ensuring that the partition is completely retracted into the receiving hole and does not affect the sliding of the insulation board on the drum.

[0027] Furthermore, setting the front of the separator in its unfolding direction as a wedge shape facilitates insertion into the gap between adjacent insulating plates, reduces frictional resistance during unfolding, and makes it easier for the separator to separate adjacent insulating plates. Providing through holes on the insulating plates and chamfering the hole openings reduces resistance when the separator separates from the insulating plates. It also guides the rotating drum to quickly align with the through holes when it passes through the insulating plates, improving assembly efficiency.

[0028] In addition, the opening of the pressure cylinder accommodates the end of the rotating cylinder, allowing it to rotate freely without affecting the locking function of the fasteners. Simultaneously, the pressure cylinder evenly transmits the locking force of the nut to the end plate. The large contact area between the pressure cylinder and the end plate avoids localized stress concentration, enhances the vibration resistance of the connection, prevents the nut from loosening, and protects the end plate. The turntable is housed within the receiving cavity of the end plate, reducing exposed structure and preventing collision damage. Attached Figure Description

[0029] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0030] Figure 1 This is a schematic diagram of the overall structure of the busbar quick connector described in this embodiment of the utility model;

[0031] Figure 2 This is a cross-sectional view of the busbar quick connector described in an embodiment of the present invention;

[0032] Figure 3 This is an exploded view of the connection structure between the insulating plate and the conductor plate described in this embodiment of the utility model.

[0033] Figure 4 This is a schematic diagram of the partition portion described in an embodiment of the present invention when it is retracted;

[0034] Figure 5 This is a schematic diagram of the partition portion described in an embodiment of the present invention when unfolded;

[0035] Figure 6 This is an exploded view of the connection structure between the rotating drum and the turntable as described in an embodiment of this utility model.

[0036] Explanation of reference numerals in the attached figures:

[0037] 1. Rotating drum;

[0038] 101. Receiving hole; 1011. First pushing surface; 1012. Second pushing surface;

[0039] 2. End plate;

[0040] 201. Anti-rotation groove; 202. Receiving cavity;

[0041] 3. Insulating board;

[0042] 301. Piercing hole;

[0043] 4. Fasteners;

[0044] 401. Divider; 402. Locking pin; 4021. Anti-rotation block; 403. Nut; 404. Pressure cylinder; 4041. Flange;

[0045] 5. Conductor plate;

[0046] 6. Turntable. Detailed Implementation

[0047] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0048] In the description of this utility model, it should be noted that if terms such as "upper," "lower," "inner," or "outer" appear, indicating orientation or positional relationship, they are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, if terms such as "first" or "second" appear, they are also used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0049] Furthermore, in the description of this utility model, unless otherwise explicitly defined, the terms "installation," "connection," "joining," and "connector" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model in light of the specific circumstances.

[0050] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.

[0051] Example 1

[0052] This embodiment relates to a busbar quick connector including a rotating cylinder to improve installation efficiency.

[0053] In terms of overall structure, combined Figures 1 to 3 As shown, the busbar quick connector in this embodiment includes a rotating cylinder 1, two end plates 2 and multiple insulating plates 3 sleeved on the rotating cylinder 1, and a fastener 4 penetrating the rotating cylinder 1. The insulating plates 3 are provided with conductor plates 5 for conducting two conductive bars, and each insulating plate 3 is stacked between the two end plates 2 along the axial direction of the rotating cylinder 1. When the fastener 4 is tightened, it can press the end plates 2 from both sides, so that the conductor plates 5 press against the conductive bars. A partition 401 is hinged to the fastener 4, and the rotating cylinder 1 is provided with a first pushing part and a second pushing part. When the rotating cylinder 1 rotates relative to the fastener 4 in a preset direction, the partition 401 is pushed open by the first pushing part to separate adjacent insulating plates 3. When the rotating cylinder 1 rotates in the opposite direction relative to the fastener 4 in the preset direction, the partition 401 is pushed closed by the second pushing part and does not protrude from the circumferential outer surface of the rotating cylinder 1.

[0054] As described above, the busbar quick connector of this embodiment, by providing a fastener 4 with a partition 401 and a rotating cylinder 1 with a first pushing part and a second pushing part, can cause the partition 401 to expand or retract when rotating the rotating cylinder 1. When the partition 401 is expanded, adjacent insulating plates 3 can be separated to maintain the gap between the insulating plates 3, so that the operator can align each gap with the conductive busbar for installation, thereby improving installation efficiency.

[0055] When installing the busbar quick connector of this embodiment, first rotate the rotating cylinder 1 to unfold the partition 401. The partition 401 can maintain the gap between adjacent insulating plates 3. Align the gap with each conductive bar of the two busbars and insert them so that all conductive bars enter the gap between the insulating plates 3. Then reverse the rotating cylinder 1 to close the partition 401. The partition 401 will not block the sliding of the insulating plates 3 on the rotating cylinder 1. After the insulating plates 3 are inserted into place, tighten the fasteners 4.

[0056] Based on the above overview, please refer to... Figures 1 to 3 As shown, specifically, this embodiment has five insulating plates 3, with conductor plates 5 embedded on each side of the insulating plate 3. When adjacent insulating plates 3 clamp a pair of directly opposite conductive bars, two conductor plates 5 are connected between the two conductive bars. Each pair of adjacent insulating plates 3 clamps a pair of conductive bars, and the conductive bar corresponding to the ground wire in the busbar groove is clamped by the insulating plate 3 and the end plate 2. The conductor plate 5 is a rectangular plate with a circular through hole in the center. The insulating plate 3 has a groove adapted to the shape of the conductor plate 5, so that when the conductor plate 5 is embedded in the insulating plate 3, it protrudes from the surface of the insulating plate 3. For example, the conductor plate 5 is made of copper, which has good conductivity; however, it is also possible to make the conductor plate 5 using other metals such as aluminum.

[0057] In this embodiment, the fastener 4 includes a locking post 402 and a nut 403. One end of the locking post 402 has an anti-rotation block 4021, and the other end passes through all end plates 2 and the insulating plate 3 and is screwed with the nut 403. The end plate 2 has an anti-rotation groove 201 for engaging the anti-rotation block 4021 to prevent the locking post 402 from rotating. By configuring the fastener 4 as a combination of the locking post 402 and the nut 403, and providing the anti-rotation block 4021 on the locking post 402, the locking post 402 can be prevented from rotating relative to the end plate 2 when the bolt is tightened, thus facilitating the fastening of the fastener 4. Specifically, in this embodiment, the anti-rotation groove 201 extends through both ends along its own extension direction, and the anti-rotation block 4021 can be a prism structure, such as a cuboid block, as long as it can cooperate with the anti-rotation groove 201 to prevent rotation.

[0058] Preferably, to facilitate the rotation of the rotating drum 1, in this embodiment, the end of the rotating drum 1 facing the anti-rotation block 4021 is connected to a turntable 6 via an end plate 2, and the rotating drum 1 moves with the turntable 6. Providing a turntable 6 at one end of the rotating drum 1 allows the operator to easily rotate the drum 1 using the turntable 6 to achieve the action of the separating part 401, eliminating the need for special tools and improving operational convenience. Specifically, the turntable 6 is a disc with semi-circular notches spaced at intervals on its outer circumferential side. These semi-circular notches are for the operator to grip and rotate the turntable 6. It is understood that the turntable 6 can also be configured as a handwheel, which would also facilitate rotation.

[0059] As a specific implementation method, refer to Figures 4 to 6 As shown, the partition 401 in this embodiment is an arc-shaped strip. A receiving hole 101 is provided on the rotating cylinder 1 corresponding to the partition 401. When the partition 401 is retracted, it is housed in the receiving hole 101 and abuts against the circumferential outer wall of the locking pin 402. By making the partition 401 an arc-shaped strip, the receiving hole 101 can be made smaller while still accommodating the partition 401, which helps to reduce the overall size of the rotating cylinder 1. Specifically, the inner radius of the partition 401 is equal to the outer circumferential radius of the locking pin 402. When the partition 401 is retracted, its inner wall abuts against the circumferential outer wall of the locking pin 402, improving the compactness of the structure. In this embodiment, the partitions 401 are arranged in groups of three. Each gap between adjacent insulating plates 3 is provided with a set of partitions 401. There is also a set of partitions 401 between the insulating plate 3 and the end plate 2. Each group of partitions 401 consists of three partitions, which are evenly distributed and spaced along the circumference of the locking post 402.

[0060] Secondly, regarding the specific form of the first pushing part, in this embodiment, the first pushing part includes a first pushing surface 1011 inclinedly disposed on the wall of the receiving hole 101. When the rotating drum 1 rotates relative to the locking pin 402 in a preset direction, the separating part 401 is pushed out of the receiving hole 101 by the first pushing surface 1011. By providing the first pushing surface 1011, when the rotating drum 1 rotates, the first pushing surface 1011 can forcibly push the separating part 401 out of the receiving hole 101 without additional manual intervention, thereby achieving rapid separation of the insulating plate 3.

[0061] Furthermore, regarding the specific form of the second pushing part, in this embodiment, the second pushing part includes a second pushing surface 1012 inclinedly disposed on the wall of the receiving hole 101. When the rotating cylinder 1 rotates in the opposite direction relative to the locking pin 402 in a preset direction, the partition 401 is pushed by the second pushing surface 1012 and rotates into the receiving hole 101. By providing the second pushing surface 1012, when the rotating cylinder 1 rotates in the opposite direction, the second pushing surface 1012 forces the partition 401 to retract and reset, ensuring that the partition 401 is completely retracted into the receiving hole 101 and does not affect the sliding of the insulating plate 3 on the rotating cylinder 1. Specifically, the second pushing surface 1012 is inclined towards the inside of the rotating cylinder 1, and after the partition 401 retracts, its hinged end is located in the cavity between the second pushing surface 1012 and the outer circumferential wall of the locking pin 402.

[0062] It should be noted that after the partition 401 in this embodiment is retracted, there is a gap between its free end and the first pushing surface 1011. The purpose is that when the rotating cylinder 1 rotates, the second pushing surface 1012 will not interfere with or affect the unfolding of the partition 401 when the first pushing part pushes the partition 401, thus preventing motion interference.

[0063] For example, in order to facilitate the assembly of the rotating cylinder 1 onto the locking pin 402, the rotating cylinder 1 in this embodiment is made of three arc-shaped plates assembled and glued together, and the rotating cylinder 1 is inserted into the turntable 6. The end of the rotating cylinder 1 is provided with a slot, and the inner ring of the turntable 6 is provided with a locking block. The locking block can be engaged in the slot to make the rotating cylinder 1 and the turntable 6 rotate synchronously.

[0064] To improve the smoothness of the unfolding of the separator 401, the front part of the separator 401 in this embodiment is wedge-shaped in its unfolding direction. Setting the front part of the separator 401 in the unfolding direction as wedge-shaped facilitates insertion into the gap between adjacent insulating plates 3, reduces frictional resistance during unfolding, and makes it easier for the separator 401 to separate adjacent insulating plates 3. Specifically, the cross-section of the separator 401 is wedge-shaped at its front end in the unfolding direction, forming two inclined surfaces. When the separator 401 unfolds, the two inclined surfaces can push the insulating plates 3, thereby separating adjacent insulating plates 3.

[0065] Secondly, to further improve the smoothness of the unfolding of the partition 401, the insulating plate 3 in this embodiment is provided with a through hole 301 for the rotating cylinder 1 to pass through, and the opening of the through hole 301 is chamfered. Providing a through hole 301 on the insulating plate 3 and providing a chamfer at the opening can reduce the resistance when the partition 401 separates from the insulating plate 3, and at the same time, it can guide the rotating cylinder 1 to quickly align with the through hole 301 when it passes through the insulating plate 3, thereby improving assembly efficiency.

[0066] Furthermore, the fastener 4 also includes a pressure cylinder 404 sleeved on the locking post 402. The nut 403 pushes the end plate 2 through the pressure cylinder 404, so that the conductor plate 5 presses against the conductive busbar. The pressure cylinder 404 has an opening on the side facing the anti-rotation block 4021 that can accommodate the end of the rotating cylinder 1. The opening of the pressure cylinder 404 accommodates the end of the rotating cylinder 1, allowing the rotating cylinder 1 to rotate freely, while not affecting the locking function of the fastener 4. After the fastener 4 is tightened, the distance between the two end plates 2 decreases, and the end of the rotating cylinder 1 will enter the opening of the pressure cylinder 404. At the same time, the pressure cylinder 404 evenly transmits the locking force of the nut 403 to the end plate 2. The large contact area between the pressure cylinder 404 and the end plate 2 can avoid local stress concentration, enhance the shock resistance of the connection, prevent the nut 403 from loosening, and protect the end plate 2. Specifically, in this embodiment, the opening of the pressure cylinder 404 extends radially outward to form a flange 4041, which contacts the end plate 2 and transmits the clamping force of the nut 403.

[0067] Preferably, the end plate 2 has a receiving cavity 202 that extends radially along the locking pin 402, and the turntable 6 is disposed within the receiving cavity 202. Correspondingly, the flange 4041 of the pressure cylinder 404 is disposed within the receiving cavity 202 of the other end plate 2. The turntable 6 and the flange 4041 are accommodated within the receiving cavity 202 of the end plate 2, which reduces exposed structures and prevents collision damage.

[0068] The busbar quick connector of this embodiment, by providing a fastener 4 with a partition 401 and a rotating cylinder 1 with a first pushing part and a second pushing part, can cause the partition 401 to expand or retract when the rotating cylinder 1 is rotated. When the partition 401 is expanded, adjacent insulating plates 3 can be separated to maintain the gap between the insulating plates 3, so that the operator can align each gap with the conductive busbar for installation, thereby improving the installation efficiency.

[0069] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A bus duct quick connector, characterized in that: it comprises a rotating drum (1), two end plates (2) and a plurality of insulation plates (3) sleeved on the rotating drum (1), and a fastener (4) penetrating through the rotating drum (1) ; a conductor plate (5) for conducting two conductive strips is arranged on each of the insulation plates (3), and each of the insulation plates (3) is stacked between two end plates (2) along the axial direction of the rotating drum (1) ; the fastener (4) can press the end plates (2) from both sides after being fastened, so that the conductor plate (5) presses the conductive strips; a separation part (401) is hinged on the fastener (4), and a first pushing part and a second pushing part are arranged on the rotating drum (1) ; when the rotating drum (1) rotates relative to the fastener (4) along a preset direction, the separation part (401) is pushed by the first pushing part to expand, so as to separate adjacent insulation plates (3) ; when the rotating drum (1) rotates relative to the fastener (4) along the reverse direction of the preset direction, the separation part (401) is pushed by the second pushing part to fold, and does not protrude from the circumferential outer surface of the rotating drum (1). 2.The bus duct quick connector according to claim 1, characterized in that: the fastener (4) comprises a lock post (402) and a nut (403) ; one end of the lock post (402) is provided with a rotation stopping block (4021), and the other end penetrates through all the end plates (2) and the insulation plates (3) and is screwed with the nut (403) ; the end plate (2) is provided with a rotation stopping groove (201) for clamping the rotation stopping block (4021) to prevent the lock post (402) from rotating. 3.The bus duct quick connector according to claim 2, characterized in that: one end of the rotating drum (1) towards the rotation stopping block (4021) penetrates through the end plate (2) and is connected with a rotating disc (6), and the rotating drum (1) follows the rotating disc (6). 4.The bus duct quick connector according to claim 2, characterized in that: the separation part (401) is an arc-shaped strip; the rotating drum (1) is provided with a receiving hole (101) corresponding to the separation part (401), and the separation part (401) is received in the receiving hole (101) when it is folded, and abuts against the circumferential outer wall of the lock post (402). 5.The bus duct quick connector according to claim 4, characterized in that: the first pushing part comprises a first pushing surface (1011) obliquely arranged on the hole wall of the receiving hole (101) ; when the rotating drum (1) rotates relative to the lock post (402) along a preset direction, the separation part (401) is pushed by the first pushing surface (1011) to turn out of the receiving hole (101). 6.The bus duct quick connector according to claim 4, characterized in that: the second pushing part comprises a second pushing surface (1012) obliquely arranged on the hole wall of the receiving hole (101) ; when the rotating drum (1) rotates relative to the lock post (402) along the reverse direction of the preset direction, the separation part (401) is pushed by the second pushing surface (1012) to turn into the receiving hole (101).

7. The bus duct quick connector according to claim 4, characterized in that: The front part of the partition (401) in its unfolding direction is wedge-shaped.

8. The bus duct quick connector according to claim 7, characterized in that: The insulating plate (3) is provided with a through hole (301) for the rotary drum (1) to pass through, and the hole opening of the through hole (301) is chamfered.

9. The bus duct quick connector according to claim 2, characterized in that: The fastener (4) further comprises a pressing cylinder (404) sleeved on the lock post (402), and the nut (403) pushes the end plate (2) through the pressing cylinder (404) to make the conductor plate (5) press the conductive row; The pressing cylinder (404) is provided with an opening capable of accommodating the end part of the rotary drum (1) on one side facing the rotation stopping block (4021).

10. The bus duct quick connector according to claim 3, characterized in that: The end plate (2) is provided with an accommodating cavity (202) penetrating along the radial direction of the lock post (402), and the rotating disc (6) is arranged in the accommodating cavity (202).

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