Bus duct jack box with high operation safety
By introducing door-type limit rod and plug-in rod structures into the busbar slot connection box, combined with the cooperation of the rotating seat and the fixed seat, the safety hazards caused by the pull rod reset during maintenance of the traditional plug-in box are solved, and the operation safety is significantly improved sex.
Patent Information
- Application Number
- CN202323502061.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-21
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2033-12-21
AI Technical Summary
The traditional busbar slot connection box lacks a limit structure, which makes it easy to accidentally bump into the pull rod during maintenance, causing the pull rod to reset, posing a safety hazard, and may cause the plug-in box to be energized.
A structure including a door-type limiting rod and a plug rod is designed. The door-type limiting rod rotates when the pull rod is pulled down through the fitting of the rotating seat, and the plug rod slides into the slot of the limiting rod for limiting fixation. , avoid accidental reset and facilitate disassembly with tension springs and fastening bolts.
It effectively avoids accidental reset of the pull rod during maintenance, improves the operation safety of the busbar slot connection box, and reduces safety hazards.
Smart Images

Figure CN222301377U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of bus duct plug-in boxes, in particular to a bus duct plug-in box with high operating safety. Background Art
[0002] With the rapid development of urban modernization in my country, people's living standards are constantly improving, and the country's requirements for electricity use and personal safety are becoming higher and higher. Bus ducts used for power transmission trunks are widely used in hotels, office buildings, commercial plazas, stadiums, airports, theaters, hospitals, schools, industrial manufacturers, aerospace companies, military companies, shipbuilding companies and other construction sites that need to use electricity. Therefore, the safety and stability of bus ducts are crucial. As one of the auxiliary facilities of the bus duct, the plug-in box needs to lead out the power line at a certain section of the bus, which is equivalent to the branch of the cable. Its existence is to ensure its accurate positioning and installation when the bus is energized to avoid accidents.
[0003] A control switch is installed in the bus duct plug-in box. When the bus duct bus needs to be inspected, the pull rod of the control switch needs to be pulled down to ensure power is cut off. However, the traditional bus duct plug-in box lacks a limit structure after the pull rod is pulled down, which makes it easy to accidentally collide with the pull rod during the inspection process, causing the pull rod to reset and the plug-in box to be powered on, posing a safety hazard. In this regard, we propose a bus duct plug-in box with high operating safety to solve the above-mentioned problems. Utility Model Content
[0004] The utility model aims to provide a bus duct plug-in box with high operation safety, so as to solve the problems raised in the above-mentioned background technology.
[0005] To achieve the above object, the utility model provides the following technical solution: a bus duct plug-in box with high operation safety, comprising:
[0006] A plug-in box body, wherein a box door is hinged at the front end of the plug-in box body, a control switch is fixedly installed in the inner cavity of the plug-in box body, a pull rod is arranged on the control switch, fixed seats are arranged on the inner walls on both sides of the plug-in box body, two of the fixed seats are rotatably connected with a rotating seat, and a rotating rod is fixedly bonded to one side wall of the two rotating seats close to the control switch, a door-type limit rod is arranged on the front side of the control switch, a through groove is opened on the door-type limit rod, the door-type limit rod is sleeved on the pull rod by opening a pair of through grooves, and the two ends of the door-type limit rod are respectively rotatably connected to the two rotating rods, and a limiting component is arranged on the plug-in box body.
[0007] Preferably, the limiting assembly includes a base, which is fixedly bonded to a side wall of the plug-in box body, the base is provided with a groove, the base is slidably connected with an insertion rod, the insertion rod penetrates the side wall of the plug-in box body and extends into the inner cavity of the plug-in box body, and the door-shaped limiting rod is provided with a slot that is compatible with the insertion rod.
[0008] Preferably, a pulling block is fixedly bonded to the outer end of the insertion rod, a tension spring is arranged in the groove, the tension spring is sleeved on the insertion rod, and both ends of the tension spring are fixedly bonded to the inner wall of the groove and the pulling block respectively.
[0009] Preferably, fastening bolts are threadedly connected to both side walls of the plug-in box body, and two of the fastening bolts are threadedly connected to two fixing seats respectively.
[0010] Preferably, the door-shaped limiting rod is made of insulating plastic.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. The door-type limit rod provided in the utility model can rotate on both side walls of the plug-in box body following the pull rod when the pull rod is pulled downward through cooperation with the rotating seat and the fixed seat. At this time, the slot of the door-type limit rod is aligned with the plug rod, and the plug rod can be slid on the base and inserted into the slot of the door-type limit rod to limit the door-type limit rod, thereby limiting and fixing the pull rod, avoiding accidental collision with the pull rod during maintenance, causing the pull rod to reset, causing the plug-in box to be powered on, and posing a safety hazard, thereby greatly improving the operational safety of the bus duct plug-in box during maintenance;
[0013] 2. The two fixing seats of the utility model are fixed on the inner walls on both sides of the plug-in box body by means of fastening bolts, which is convenient for disassembly of the door-type limit rod and the control switch. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of a bus duct plug-in box with high operational safety proposed by the utility model;
[0015] Figure 2 This is a front view structural diagram of a plug-in box body in a bus duct plug-in box with high operation safety proposed by the utility model;
[0016] Figure 3 The utility model provides a bus duct plug-in box with high operation safety. Figure 2 Enlarged structural diagram at point A in the middle.
[0017] In the figure: 1. Plug-in box body; 2. Box door; 3. Control switch; 4. Pull rod; 5. Fixed seat; 6. Rotating seat; 7. Rotating rod; 8. Door-type limit rod; 9. Through slot; 10. Base; 11. Groove; 12. Plug rod; 13. Pull block; 14. Tension spring; 15. Fastening bolt. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] See also Figure 1-3 The utility model provides a technical solution: a bus duct plug-in box with high operation safety, comprising:
[0020] A plug-in box body 1, wherein a box door 2 is hinged at the front end of the plug-in box body 1, a control switch 3 is fixedly installed in the inner cavity of the plug-in box body 1, a pull rod 4 is provided on the control switch 3, fixed seats 5 are provided on the inner walls on both sides of the plug-in box body 1, two of the fixed seats 5 are rotatably connected with a rotating seat 6, and a rotating rod 7 is fixedly bonded to one side wall of the two rotating seats 6 close to the control switch 3, a door-shaped limit rod 8 is provided on the front side of the control switch 3, a through slot 9 is opened on the door-shaped limit rod 8, the door-shaped limit rod 8 is sleeved on the pull rod 4 by opening a pair of through slots 9, and the two ends of the door-shaped limit rod 8 are respectively rotatably connected to the two rotating rods 7, and a limiting component is provided on the plug-in box body 1.
[0021] The limiting assembly includes a base 10, which is fixedly bonded to a side wall of the plug-in box body 1. A groove 11 is provided on the base 10. A plug rod 12 is slidably connected to the base 10. The plug rod 12 penetrates the side wall of the plug-in box body 1 and extends into the inner cavity of the plug-in box body 1. A slot matching the plug rod 12 is provided on the door-type limiting rod 8. When the pull rod 4 is pulled down, the slot of the door-type limiting rod 8 is aligned with the plug rod 12. The plug rod 12 can be slidably inserted into the slot of the door-type limiting rod 8 on the base 10 to limit the door-type limiting rod 8, thereby limiting and fixing the pull rod 4, avoiding accidental collision with the pull rod 4 during maintenance, causing the pull rod 4 to reset, causing the plug-in box to be powered on, and posing a safety hazard. The operation safety of the bus duct plug-in box during maintenance is greatly improved.
[0022] A pulling block 13 is fixedly bonded to the outer end of the insertion rod 12, and a tension spring 14 is arranged in the groove 11. The tension spring 14 is sleeved on the insertion rod 12, and the two ends of the tension spring 14 are respectively fixedly bonded to the inner wall of the groove 11 and the pulling block 13. The pulling block 13 facilitates pulling the insertion rod 12. The tension of the tension spring 14 acts on the pulling block 13 to keep the insertion rod 12 inserted into the door-shaped limit rod 8, thereby preventing the insertion rod 12 from accidentally detaching from the door-shaped limit rod 8.
[0023] The two side walls of the plug-in box body 1 are both threadedly connected with fastening bolts 15, and the two fastening bolts 15 are respectively threadedly connected to the two fixing seats 5. The fastening bolts 15 facilitate the two fixing seats 5 to be fixed on the inner walls of the plug-in box body 1 on both sides, and at the same time facilitate the disassembly of the door-type limit rod 8, thereby facilitating the disassembly of the control switch 3.
[0024] The door-shaped limiting rod 8 is made of insulating plastic.
[0025] Working principle: the door-type limit rod 8 provided in the utility model can rotate on the two side walls of the plug-in box body 1 along with the pull rod 4 through the cooperation of the rotating seat 6 and the fixed seat 5 when the pull rod 4 is pulled downward. At this time, the slot of the door-type limit rod 8 is aligned with the plug rod 12, and the plug rod 12 can be slid on the base 10 and inserted into the slot of the door-type limit rod 8 to limit the door-type limit rod 8, thereby limiting and fixing the pull rod 4, avoiding accidental collision with the pull rod 4 during maintenance, causing the pull rod 4 to reset, causing the plug-in box to be powered on, and posing a safety hazard. The operational safety of the bus duct plug-in box during maintenance is greatly improved. The two fixed seats 5 are fixed to the inner walls on both sides of the plug-in box body 1 by the set fastening bolts 15, which is convenient for the disassembly of the door-type limit rod 8 and the disassembly of the control switch 3.
[0026] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A bus duct plug-in box with high operational safety, characterized in that: include: A plug-in box body (1), wherein a box door (2) is hingedly connected to the front end of the plug-in box body (1), a control switch (3) is fixedly installed in the inner cavity of the plug-in box body (1), a pull rod (4) is arranged on the control switch (3), fixed seats (5) are arranged on the inner walls on both sides of the plug-in box body (1), two rotating seats (6) are rotatably connected to the two fixed seats (5), and a rotating rod (7) is fixedly bonded to the side wall of the two rotating seats (6) close to the control switch (3), a door-shaped limit rod (8) is arranged on the front side of the control switch (3), a through slot (9) is opened on the door-shaped limit rod (8), the door-shaped limit rod (8) is sleeved on the pull rod (4) by opening a pair of through slots (9), and the two ends of the door-shaped limit rod (8) are respectively rotatably connected to the two rotating rods (7), and a limit assembly is arranged on the plug-in box body (1).
2. A bus duct plug-in box with high operational safety according to claim 1, characterized in that: The limiting assembly comprises a base (10), the base (10) is fixedly bonded to a side wall of a plug-in box body (1), a groove (11) is provided on the base (10), a plug rod (12) is slidably connected to the base (10), the plug rod (12) passes through the side wall of the plug-in box body (1) and extends into the inner cavity of the plug-in box body (1), and a slot matching the plug rod (12) is provided on the door-shaped limiting rod (8).
3. A bus duct plug-in box with high operational safety according to claim 2, characterized in that: A pulling block (13) is fixedly bonded to the outer end of the insertion rod (12), a tension spring (14) is arranged in the groove (11), and the tension spring (14) is sleeved on the insertion rod (12), and the two ends of the tension spring (14) are respectively fixedly bonded to the inner wall of the groove (11) and the pulling block (13).
4. A bus duct plug-in box with high operational safety according to claim 1, characterized in that: Both side walls of the plug-in box body (1) are threadedly connected with fastening bolts (15), and the two fastening bolts (15) are respectively threadedly connected to the two fixing seats (5).
5. The bus duct plug-in box with high operational safety according to claim 1, characterized in that: The door-shaped limiting rod (8) is made of insulating plastic.
