Low-voltage closed plug-in bus duct

By introducing a clamping and stabilizing mechanism into the low-voltage enclosed plug-in bus duct and utilizing the elastic force of the spring to stabilize the plug connector, the problem of unstable connection of the external plug connector in harsh environments is solved, a highly stable connection is achieved, and current interruption is prevented.

CN223363781UActive Publication Date: 2025-09-19JIANGSU YIXIN ELECTRIC TECH CO LTD
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Patent Information

Application Number
CN202422737218.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-11
Publication Date
2025-09-19
Estimated Expiration
2034-11-11

AI Technical Summary

Technical Problem

When sealed bus ducts are used in harsh environments such as low voltage, the connection between the external connector and the bus duct is prone to loosening or falling off, resulting in unstable connection and interruption of current transmission.

Method used

A low-voltage closed plug-in bus duct is designed, which adopts a clamping mechanism and a stabilizing mechanism. The elastic force of the clamping spring and the buffer spring is used to stabilize the plug-in connector, and the coordination of the inclined surface and the guide strip ensures the stable connection of the plug-in connector.

Benefits of technology

The connection stability between the plug connector and the bus duct is improved, current interruption is prevented, and the safety of use is improved.

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Abstract

The utility model discloses a low-voltage closed plug-in bus duct, and relates to the technical field of bus ducts, the low-voltage closed plug-in bus duct comprises a sealed housing, a connecting piece is detachably installed in the sealed housing, one end of the connecting piece is fixedly provided with a connector, and the connector penetrates through the sealed housing and is communicated with an external connection plug. The clamping mechanisms are symmetrically arranged on the two sides of the connector of the sealing shell, each clamping mechanism comprises a fixing groove fixedly connected with the sealing shell, a sliding block is arranged in each fixing groove in a sliding mode, an extending plate is fixedly arranged on one side of each sliding block, and each extending plate is matched with the corresponding connecting plug; and the stabilizing mechanism is detachably installed in the fixing groove and comprises a fixing block capable of being inserted into the fixing groove, and a connecting plate is fixedly arranged at one end of the fixing block. The low-voltage closed plug-in bus duct is convenient for improving the stability of connection between the interface and the external plug connector, thereby preventing current transmission interruption, and being high in safety.
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Description

Technical Field

[0001] The utility model relates to the technical field of bus ducts, in particular to a low-voltage closed plug-in bus duct. Background Art

[0002] Bus duct is a new type of power distribution device. It is made of copper or aluminum as conductor, supported by non-olefinic insulation, and installed in a metal trough. This device is mainly used for distributing electric energy in power systems and is an important way to replace cable wiring.

[0003] When existing bus ducts are used in harsh environments such as low voltage, they need to be sealed. Sealed bus ducts can effectively prevent the risk of electric shock and improve safety during use. However, when the sealed bus duct is connected to an external plug connector, when external vibrations occur, the connection between the external plug connector and the bus duct is prone to loosening or even disconnection, resulting in unstable connection and interruption of current transmission.

[0004] Therefore, in order to solve the above problems, the applicant needs to design a low-voltage closed plug-in bus duct to solve the problem. Summary of the Invention

[0005] The purpose of the utility model is to provide a low-voltage closed plug-in bus duct to solve the problems mentioned in the above background technology.

[0006] To achieve the above object, the present invention provides the following technical solution: a low-voltage enclosed plug-in bus duct, comprising a sealed housing, wherein a connector is detachably mounted inside the sealed housing, one end of the connector being fixedly provided with a connector, and the connector passing through the sealed housing and communicating with an external plug connector,

[0007] The device further comprises: a clamping mechanism symmetrically arranged on both sides of the sealing housing interface, the clamping mechanism comprising a fixing groove fixedly connected to the sealing housing, a slider slidably arranged inside the fixing groove, an extension plate fixedly arranged on one side of the slider, and the extension plate adapted to the plug connector;

[0008] The stabilizing mechanism installed in the fixing groove is disassembled. The stabilizing mechanism comprises a fixing block which can be inserted into the fixing groove, and a connecting plate is fixedly provided at one end of the fixing block.

[0009] Furthermore, a clamping spring is fixedly provided on one side of the slider below the extension plate, and a clamping plate is fixedly provided on one end of the clamping spring away from the slider.

[0010] Through the above structural design, when in use, external force is used to push the plug connector. When the plug connector moves to the middle position of the two extension plates, the clamping plate will be pushed to move. The movement of the clamping plate will drive the clamping spring to move. The clamping spring generates elastic force. When the plug connector is completely inserted into the interface, the elastic force of the clamping spring will push the clamping plate to move. The clamping plate cooperates with the extension plate to firmly clamp the plug connector, which has high stability and is convenient for improving the stability of the connection between the plug connector and the bus duct.

[0011] Furthermore, a slope is provided on one side of the extension plate, and the slope facilitates the plug connector to push the extension plate to move.

[0012] Through the above structural design, the inclined surface is used to facilitate the insertion of the plug connector between the two extension plates, which is convenient and labor-saving to operate.

[0013] Furthermore, a guide bar is fixedly provided on the inner surface of the fixing groove, a groove is provided on the outer surface of the sliding block, and the groove is slidably connected to the guide bar.

[0014] Through the above structural design, the guide strips and the grooves are utilized to facilitate the directional sliding of the slider, and the smoothness of the sliding of the slider can be improved.

[0015] Furthermore, a spring is fixedly provided on one side of the connecting plate, a buffer spring is fixedly provided on one side of the spring, and one end of the buffer spring away from the spring is fixedly connected to the fixing block.

[0016] Through the above structural design, when in use, the spring piece is pressed by external force, the spring piece will squeeze the buffer spring, the buffer spring generates elastic force, and then the fixed block together with the spring piece and the buffer spring is inserted into the fixed groove. After it is completely inserted, the buffer spring will push the spring piece to contact the inner top surface of the fixed groove, and the bottom surface of the fixed block will contact the top surface of the slider, which will facilitate the positioning of the slider and the clamping of the plug connector by the two extension plates, and the stability is high.

[0017] Furthermore, a push-pull plate is integrally provided on the connecting plate, and the push-pull plate facilitates the movement of the connecting plate with less effort.

[0018] Through the above structural design, external force is used to facilitate the movement of the push-pull plate, and the movement of the push-pull plate facilitates the movement of the connecting plate, which is convenient to operate and saves effort.

[0019] Compared with the prior art, the beneficial effects of the present invention are: the low-voltage enclosed plug-in bus duct facilitates improving the stability of the connection between the interface and the external plug connector, thereby preventing the interruption of current transmission and having high safety. The specific contents are as follows:

[0020] 1. A clamping mechanism is provided. When in use, the plug connector is inserted into the interface by external force. The plug connector will use the inclined surface to push the extension plate to move. When the plug connector continues to be inserted until it contacts the clamping plate, it will push the clamping plate to move. The movement of the clamping plate will drive the clamping spring to move. The clamping spring generates elastic force. When the plug connector is completely inserted into the interface, the external force restriction is released. The elastic force of the clamping spring will push the clamping plate to move. The clamping plate cooperates with the extension plate to firmly clamp the plug connector, which has high stability and is convenient for improving the stability of the connection between the plug connector and the bus duct.

[0021] 2. A stabilizing mechanism is provided. During use, after the external force restriction on the plug connector is released, the spring is pressed by external force, and the spring will squeeze the buffer spring, which generates elastic force. Then the fixed block together with the spring and the buffer spring is inserted into the fixed groove. After being fully inserted, the buffer spring will push the spring to contact the inner top surface of the fixed groove, and the bottom surface of the fixed block will contact the top surface of the slider, pushing the slider down. The descent of the slider will drive the extension plate down, making it easier for the two extension plates to clamp the plug connector, with high stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a schematic diagram of the overall three-dimensional internal structure of the utility model;

[0023] Figure 2 This is a schematic diagram of the connection structure between the clamping mechanism, the sealing housing and the stabilizing mechanism of the present invention;

[0024] Figure 3 For this utility model Figure 2 A schematic diagram of the structure enlarged in the middle;

[0025] Figure 4 This is a schematic diagram of the three-dimensional cross-sectional structure of the clamping mechanism of the utility model;

[0026] Figure 5 This is a schematic diagram of the connection structure between the fixing groove and the slider of the utility model;

[0027] Figure 6 It is a schematic diagram of a three-dimensional cross-sectional structure of the stabilizing mechanism of the utility model.

[0028] In the figure: 1. Sealing shell; 2. Clamping mechanism; 3. Stabilizing mechanism; 10. Connecting piece; 11. Connecting head; 20. Fixing groove; 21. Slider; 22. Extension plate; 23. Inclined surface; 24. Clamping spring; 25. Clamping plate; 30. Fixing block; 31. Connecting plate; 32. Push-pull plate; 33. Buffer spring; 34. Shrapnel; 200. Guide strip; 210. Groove. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0030] like Figures 1-6 As shown, the utility model is a low-voltage closed plug bus duct, including a sealed shell 1, and the sealed shell 1 is internally detachably installed with a connector 10, one end of the connector 10 is fixedly provided with a connector 11, and the connector 11 passes through the sealed shell 1 and is connected to the external plug connector, and also includes: a clamping mechanism 2 symmetrically arranged on both sides of the interface of the sealed shell 1, the clamping mechanism 2 includes a fixed groove 20 fixedly connected to the sealed shell 1, and a slider 21 is slidably provided inside the fixed groove 20, and one side of the slider 21 is fixedly provided with a An extension plate 22 is provided, and the extension plate 22 is adapted to the plug connector. A clamping spring 24 is fixedly provided on one side of the slider 21 below the extension plate 22, and a clamping plate 25 is fixedly provided on the end of the clamping spring 24 away from the slider 21. A slope 23 is provided on one side of the extension plate 22, and the slope 23 facilitates the plug connector to push the extension plate 22 to move. A guide bar 200 is fixedly provided on the inner surface of the fixed groove 20, and a groove 210 is provided on the outer surface of the slider 21, and the groove 210 is slidably connected to the guide bar 200.

[0031] Through the above structural design, when in use, the plug connector is inserted into the interface using external force, and the plug connector will use the inclined surface 23 to push the extension plate 22 to move. When the plug connector continues to be inserted until it contacts the clamping plate 25, it will push the clamping plate 25 to move. The movement of the clamping plate 25 will drive the clamping spring 24 to move, and the clamping spring 24 will generate elastic force. When the plug connector is completely inserted into the interface, the external force restriction is released, and the elastic force of the clamping spring 24 will push the clamping plate 25 to move. The clamping plate 25 cooperates with the extension plate 22 to firmly clamp the plug connector, which is highly stable and facilitates improving the stability of the connection between the plug connector and the bus duct.

[0032] The stabilizing mechanism 3 installed inside the fixing slot 20 is disassembled. The stabilizing mechanism 3 includes a fixing block 30 that can be inserted into the fixing slot 20, and a connecting plate 31 is fixedly provided at one end of the fixing block 30, a spring 34 is fixedly provided on one side of the connecting plate 31, a buffer spring 33 is fixedly provided on one side of the spring plate 34, and the end of the buffer spring 33 away from the spring plate 34 is fixedly connected to the fixing block 30, and a push-pull plate 32 is integrally provided on the connecting plate 31, and the push-pull plate 32 facilitates the movement of the connecting plate 31 with effortless effort.

[0033] Through the above structural design, when in use, after the external force restriction on the plug connector is released, the spring piece 34 is pressed by external force, the spring piece 34 will squeeze the buffer spring 33, and the buffer spring 33 will generate elastic force. Then the fixing block 30 together with the spring piece 34 and the buffer spring 33 is inserted into the fixing groove 20. After it is completely inserted, the buffer spring 33 will push the spring piece 34 to contact the inner top surface of the fixing groove 20, and the bottom surface of the fixing block 30 will contact the top surface of the slider 21, pushing the slider 21 down. The descent of the slider 21 will drive the extension plate 22 to descend, which will facilitate the two extension plates 22 to clamp the plug connector, and the stability is high.

[0034] Working principle: When using the low-voltage closed plug-in bus duct, use external force to insert the plug connector into the interface. The plug connector will use the inclined surface 23 to push the extension plate 22 to move. When the plug connector continues to be inserted until it contacts the clamping plate 25, it will push the clamping plate 25 to move. The movement of the clamping plate 25 will drive the clamping spring 24 to move. The clamping spring 24 generates elastic force. When the plug connector is completely inserted into the interface, the external force restriction is released. The elastic force of the clamping spring 24 will push the clamping plate 25 to move. The clamping plate 25 cooperates with the extension plate 22 to firmly clamp the plug connector. At the same time, external force is used to press the spring 34. The spring piece 34 will squeeze the buffer spring 33, and the buffer spring 33 will generate elastic force. Then the fixing block 30 together with the spring piece 34 and the buffer spring 33 will be inserted into the fixing groove 20. After being completely inserted, the buffer spring 33 will push the spring piece 34 to contact the inner top surface of the fixing groove 20. The bottom surface of the fixing block 30 will contact the top surface of the slider 21, pushing the slider 21 down. The descent of the slider 21 will drive the extension plate 22 to descend, making it easier for the two extension plates 22 to clamp the plug connector, which has high stability and will facilitate improving the stability of the connection between the plug connector and the bus duct, thereby preventing current transmission interruption and high safety.

[0035] Based on the above-mentioned ideal embodiment of the present invention, and in accordance with the above description, relevant personnel can make various changes and modifications without departing from the technical scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, but must be determined according to the scope of the claims.

Claims

1. A low-voltage closed plug-in bus duct, comprising a sealed housing (1), wherein a connector (10) is detachably mounted inside the sealed housing (1), a connector (11) is fixedly mounted at one end of the connector (10), and the connector (11) passes through the sealed housing (1) and is connected to an external plug connector. It is characterized in that Also includes: A clamping mechanism (2) is symmetrically arranged on both sides of the interface of the sealing housing (1), the clamping mechanism (2) comprises a fixing groove (20) fixedly connected to the sealing housing (1), and a slider (21) is slidably arranged inside the fixing groove (20), an extension plate (22) is fixedly arranged on one side of the slider (21), and the extension plate (22) is adapted to the plug connector; The stabilizing mechanism (3) installed inside the fixing groove (20) is disassembled. The stabilizing mechanism (3) comprises a fixing block (30) that can be inserted into the fixing groove (20), and a connecting plate (31) is fixedly provided at one end of the fixing block (30).

2. The low-voltage enclosed plug-in bus duct according to claim 1, characterized in that: A clamping spring (24) is fixedly provided on one side of the slider (21) below the extension plate (22), and a clamping plate (25) is fixedly provided on one end of the clamping spring (24) away from the slider (21).

3. The low-voltage enclosed plug-in bus duct according to claim 2, characterized in that: A slope (23) is provided on one side of the extension plate (22), and the slope (23) facilitates the plug connector to push the extension plate (22) to move.

4. The low-voltage enclosed plug-in bus duct according to claim 1, characterized in that: A guide bar (200) is fixedly provided on the inner surface of the fixing groove (20), a groove (210) is provided on the outer surface of the sliding block (21), and the groove (210) is slidably connected to the guide bar (200).

5. The low-voltage enclosed plug-in bus duct according to claim 1, characterized in that: A spring (34) is fixedly provided on one side of the connecting plate (31), a buffer spring (33) is fixedly provided on one side of the spring (34), and one end of the buffer spring (33) away from the spring (34) is fixedly connected to the fixed block (30).

6. The low-voltage enclosed plug-in bus duct according to claim 1, characterized in that: A push-pull plate (32) is integrally provided on the connecting plate (31), and the push-pull plate (32) facilitates and saves effort in driving the connecting plate (31) to move.