Fast-assembly low-voltage switch cabinet
By designing the copper busbar structure and support structure of the quick-install low-voltage switchgear, the problem of the inconvenience of cutting and installing the copper busbar in the existing technology is solved, and the rapid assembly and stable connection of the switchgear are achieved.
Patent Information
- Application Number
- CN202422810644.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-18
- Publication Date
- 2025-09-30
- Estimated Expiration
- 2034-11-18
AI Technical Summary
During assembly of existing low-voltage switchgear, copper busbars need to be cut according to on-site working conditions, which results in inconvenient installation and low efficiency.
A quick-install low-voltage switchgear is designed, which adopts a copper busbar structure and a support structure. The copper busbar structure includes a first conductive part and a second conductive part, which are electrically connected by plugging. The locking structure and the support frame cooperate to achieve quick installation.
It achieves rapid assembly of multiple switch cabinets, reduces assembly time, improves installation efficiency, and prevents copper busbars from shifting through the support structure.
Smart Images

Figure CN223402103U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the technical field of switch cabinets, and in particular to a quick-install low-voltage switch cabinet. Background Art
[0002] Low-voltage switchgear is suitable for power plants, petroleum, chemical, metallurgy, textile, high-rise buildings and other industries for power transmission, distribution and energy conversion.
[0003] In the related art, a switch cabinet includes a cabinet body, a through hole is opened on the side of the cabinet body, and a copper busbar is arranged in the through hole. Currently, multiple switch cabinets arranged side by side are connected to the same copper busbar.
[0004] The existing copper busbars connecting multiple switch cabinets must be installed side by side before they can be installed on top of the switch cabinets. Because the number of switch cabinets to be arranged side by side varies, the length of the copper busbars used also varies. This requires workers to cut and process the copper busbars based on on-site working conditions, which is very inconvenient. Utility Model Content
[0005] In order to improve the inconvenience of assembling multiple switch cabinets, the present application provides a quick-install low-voltage switch cabinet.
[0006] This application provides a quick-install low-voltage switchgear, which adopts the following technical solutions:
[0007] A quick-install low-voltage switchgear comprises a cabinet body, a fixing hole being formed on a side of the cabinet body, a copper busbar structure being disposed in the fixing hole, the copper busbar structure comprising two copper busbar bodies disposed in the fixing hole, a gap being left between the two copper busbar bodies, the copper busbar body comprising a first conductive portion, one end of the first conductive portion extending out of the fixing hole, a bent portion being provided at the other end of the first conductive portion, and a second conductive portion being provided on a side of the bent portion away from the first conductive portion; when two switchgear cabinets are spliced together, the first conductive portion on one switchgear cabinet is inserted between the two second conductive portions on the adjacent switchgear cabinet, and the first conductive portion contacts the second conductive portion.
[0008] By adopting the above technical solution, when connecting two switch cabinets, one first conductive part is inserted into the fixing hole of the other switch cabinet, so that the first conductive part can be inserted between the two second conductive parts on the adjacent switch cabinet, and the first conductive part is brought into contact with the second conductive part on the other copper busbar body, thereby achieving electrical connection between the two. This makes it easy to assemble multiple switch cabinets and reduces the time required for assembly.
[0009] Optionally, the copper busbar structure is provided in multiple groups, and the multiple groups of copper busbar structures are distributed along the width direction of the cabinet.
[0010] Optionally, the bottom wall of the fixing hole is provided with a supporting structure for supporting the copper busbar body, the supporting structure includes a support frame arranged on the lower inner wall of the fixing hole, the support frame is provided with a mounting hole for the copper busbar body to pass through, the upper inner wall of the mounting hole is provided with a first mounting block, the lower end surface of the first mounting block is provided with a first mounting groove for the copper busbar body to be inserted, the lower inner wall of the mounting hole is provided with a second mounting block, the upper end surface of the second mounting block is provided with a second mounting groove for the copper busbar body to be inserted.
[0011] By adopting the above technical solution, the copper busbar body is inserted into the first installation slot and the second installation slot, and the copper busbar body is limited so that the position of the copper busbar body is not easily shifted when the switch cabinet is moved.
[0012] Optionally, a first slot is provided on the upper end surface of the first mounting block for inserting the support frame, a first plug block is provided on the end surface of the support frame along the width direction, and a first jack is provided on the inner wall of the first slot for inserting the first plug block.
[0013] By adopting the above technical solution, the first plug-in block is inserted into the first socket, connecting the first mounting block and the support block so that the two are not easily separated; driving the first plug-in block to disengage from the first socket can separate the first mounting block from the support frame, allowing staff to replace the damaged first mounting block.
[0014] Optionally, two inner walls of the fixing hole along the length direction of the support frame are both in contact with the first mounting block.
[0015] By adopting the above technical solution, the side wall of the fixing hole fits with the first installation block, which plays a guiding role in the connection between the first installation block and the support frame.
[0016] Optionally, a locking structure connecting the support frame and the cabinet is provided, and the locking structure includes two operating seats arranged on the bottom wall of the fixing hole, and the support frame is located between the two operating seats. An operating groove is provided between the two operating seats, and a spring and a locking block are provided in the operating groove. One end of the spring is connected to the locking block, and the other end of the spring is connected to the bottom wall of the operating groove. A locking groove for inserting the locking block is provided on the support frame.
[0017] By adopting the above technical solution, the locking block is driven to be completely embedded in the operating groove, and the spring is compressed and deformed at the same time, and then the support frame is installed between the two operating seats. When the locking groove is aligned with the operating groove, the spring resets and drives the locking block to be inserted into the locking groove, thereby realizing the connection and fixation between the mounting seat and the support frame.
[0018] Optionally, an operating hole connected to the operating slot is opened on the end surface of the operating seat away from the support frame, an operating rod is passed through the operating hole, one end of the operating rod is connected to the locking block, and the other end of the operating rod extends out of the operating seat.
[0019] By adopting the above technical solution, the operating rod is pulled so that the operating rod drives the locking block to be completely embedded in the operating groove. The staff can move the support frame between the two operating seats or remove the support frame from between the two mounting seats.
[0020] Optionally, the spring sleeve is arranged outside the operating rod.
[0021] By adopting the above technical solution, the spring is sleeved outside the operating rod, and the position of the spring is not easily shifted when the spring is compressed or reset.
[0022] Optionally, a hanging ring is provided on the upper end surface of the cabinet.
[0023] By adopting the above technical solution, with the help of lifting rings, it is convenient for workers to use lifting equipment to move the switch cabinet.
[0024] In summary, this application includes at least one of the following beneficial technical effects:
[0025] 1. When connecting two switch cabinets, insert one first conductive part into the fixing hole of another switch cabinet, so that the first conductive part can be inserted between the two second conductive parts of the adjacent switch cabinet, and the first conductive part contacts the second conductive part on the other copper busbar to achieve electrical connection between the two, making the assembly of multiple switch cabinets convenient and time-saving;
[0026] 2. The locking structure is set to quickly install the support frame into the cabinet, improving the assembly efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0027] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.
[0028] Figure 1 It is a structural diagram of an embodiment of the present application;
[0029] Figure 2 yes Figure 1 A magnified schematic diagram of part A;
[0030] Figure 3 It is an exploded view highlighting the supporting structure;
[0031] Figure 4 It is along Figure 3 Partial cross-sectional view of the midline BB;
[0032] Figure 5 It is a structural diagram highlighting the relationship between the support structure and the copper busbar structure;
[0033] Figure 6 This is a cross-sectional view showing the coordination of the copper busbar structures of two switch cabinets when they are spliced together.
[0034] Figure numerals: 1. cabinet; 11. fixing hole; 12. lifting ring; 2. copper busbar structure; 21. copper busbar body; 211. first conductive part; 212. second conductive part; 213. bending part; 3. supporting structure; 31. supporting frame; 311. mounting hole; 312. first plug-in block; 313. second plug-in block; 314. locking slot; 32. first mounting block; 321. first slot; 322. first mounting slot; 323. first plug-in hole; 33. second mounting block; 331. second slot; 332. second mounting slot; 333. second plug-in hole; 34. locking structure; 341. operating seat; 3411. operating slot; 3412. operating hole; 342. spring; 343. locking block; 344. operating lever; 345. operating panel. DETAILED DESCRIPTION
[0035] The following is combined with Figure 1-6 This application is described in further detail.
[0036] This embodiment discloses a quick-install low-voltage switch cabinet. Figure 1 A quick-install low-voltage switchgear comprises a cabinet body 1, and a fixing hole 11 is opened on the side of the cabinet body 1.
[0037] Reference Figure 1 A copper busbar structure 2 and a support structure 3 are provided in the fixing hole 11 . The support structure 3 is used to support the copper busbar structure 2 . Two support structures 3 are provided, and the two support structures 3 are distributed along the axis direction of the fixing hole 11 .
[0038] Reference Figure 2 and Figure 3 The support structure 3 includes a support frame 31, a first mounting block 32, a second mounting block 33, and a locking structure 34. The support frame 31 has three mounting holes 311 on its end surface along the axis of the fixing hole 11. The three mounting holes 311 are arranged in an array along the length of the support frame 31.
[0039] Reference Figure 2 and Figure 3Three first mounting blocks 32 are provided, each of which is mounted in a mounting hole 311. The first mounting block 32 is located above the axis of the operating hole 3412. Both inner walls of the fixing hole 11 along the length of the support frame 31 are in contact with the first mounting block 32. The upper end surface of the first mounting block 32 defines a first slot 321 into which the support frame 31 can be inserted. The lower end surface of the first mounting block 32 defines two first mounting grooves 322.
[0040] Reference Figure 2 and Figure 3 The support frame 31 is fixedly connected to two side surfaces along the width direction with a first inserting block 312. The first inserting block 312 is located above the mounting hole 311. The inner wall of the first slot 321 is provided with a first insertion hole 323, which can be inserted into the first inserting block 312. When the first inserting block 312 is inserted into the first insertion hole 323, the first mounting block 32 is connected to the support frame 31.
[0041] Reference Figure 2 and Figure 3 Three second mounting blocks 33 are provided, each of which is mounted within a mounting hole 311. The second mounting block 33 is located below the axis of the operating hole 3412. Both inner walls of the fixing hole 11 along the length of the support frame 31 mate with the second mounting block 33. The upper end surface of the second mounting block 33 defines a second slot 331 into which the support frame 31 can be inserted. The lower end surface of the second mounting block 33 defines two second mounting grooves 332.
[0042] Reference Figure 2 and Figure 3 The support frame 31 is fixedly connected to two side surfaces along the width direction thereof with second inserting blocks 313. The second inserting blocks 313 are located above the mounting holes 311. The inner wall of the second slot 331 is provided with a second insertion hole 333, which can be inserted into the second insertion block 313. When the second inserting block 313 is inserted into the second insertion hole 333, the second mounting block 33 is connected to the support frame 31.
[0043] Reference Figure 2 and Figure 4 The locking structure 34 is used to connect the cabinet 1 to the support frame 31. The locking structure 34 includes an operating seat 341, a spring 342, a locking block 343 and an operating rod 344.
[0044] Reference Figure 2 and Figure 4Two operating seats 341 are provided, and the two operating seats 341 are symmetrically arranged. Both operating seats 341 are fixedly connected to the lower inner wall of the fixing hole 11. The support frame 31 can be inserted between the two operating seats 341. The end surface of the operating seat 341 facing the support frame 31 is provided with an operating groove 3411. The end surface of the operating seat 341 away from the support frame 31 is provided with an operating hole 3412, and the operating hole 3412 is connected to the operating groove 3411.
[0045] Reference Figure 2 and Figure 4 The locking block 343 and spring 342 are both positioned within the operating slot 3411. One end of the spring 342 is connected to the bottom wall of the operating slot 3411, and the other end of the spring 342 is connected to the locking block 343. The spring 342 is in a compressed state. The locking block 343 is chamfered, with the chamfered slope located at the intersection of the end of the locking block 343 facing away from the spring 342 and the upper end surface of the locking block 343. A locking slot 314 is defined along the longitudinal end surface of the support frame 31, into which the locking block 343 can be inserted.
[0046] Reference Figure 2 and Figure 4 The operating rod 344 is inserted into the operating hole 3412, one end of the operating rod 344 is fixedly connected to the locking block 343, and the other end of the operating rod 344 is fixedly connected to the operating disk 345. The spring 342 is sleeved outside the operating rod 344.
[0047] Reference Figure 1 and Figure 5 , a copper busbar structure 2 is provided in each mounting hole 311. The copper busbar structure 2 includes two copper busbar bodies 21, and a gap is left between the two copper busbar bodies 21. The copper busbar body 21 includes a first conductive part 211, a second conductive part 212 and a bending part 213. The upper part of the first conductive part 211 is inserted into the first mounting groove 322, and the lower part of the first conductive part 211 is inserted into the second mounting groove 332. The first conductive part 211 extends out of the fixing hole 11 along one end of the fixing hole 11. The other end of the first conductive part 211 is fixedly connected to the bending part 213, and the end of the bending part 213 away from the first conductive part 211 is connected to the second conductive part 212. The second conductive part 212 is parallel to the first conductive part 211.
[0048] Reference Figure 5 and Figure 6When two switch cabinets are spliced together, the first conductive portion 211 on one copper busbar body 21 can be inserted between the two second conductive portions 212 on the adjacent switch cabinet, and this first conductive portion 211 can abut against one of the second conductive portions 212. The first conductive portion 211 of the other copper busbar body 21 is located on the same side as the second conductive portion 212, and can abut against the nearest second conductive portion 212. This allows the two first conductive portions 211 and the two second conductive portions 212 to be plugged into each other, completing the splicing of the two switch cabinets.
[0049] Reference Figure 1 The upper end surface of the cabinet 1 is fixedly connected with a lifting ring 12, which can cooperate with the hook on the lifting equipment to realize the transportation action of the cabinet 1.
[0050] The implementation principle of a quick-install low-voltage switchgear in an embodiment of the present application is as follows: when two switchgears are spliced together, the first conductive part 211 on one switchgear can be inserted into the fixing hole 11 in the other switchgear, so that the two first conductive parts 211 and the two second conductive parts 212 are plugged into and matched with each other, thereby realizing rapid assembly of the two switchgears.
[0051] Unless otherwise defined, the technical or scientific terms used in this application shall have the usual meanings understood by persons of ordinary skill in the field to which this application belongs. The words "first", "second", "third" and similar terms used in the specification and claims of this application do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "one" or "a" do not indicate a quantity limitation, but rather indicate the existence of at least one. Words such as "include" or "comprise" mean that the elements or objects appearing before "include" or "comprises" cover the elements or objects listed after "include" or "comprises" and their equivalents, and do not exclude other elements or objects. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.
[0052] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent replacements, improvements, etc. made within the design concept of the present application should be included in the scope of protection of the present application.
Claims
1. A quick-install low-voltage switchgear, comprising a cabinet body (1), characterized in that: A fixing hole (11) is provided on the side of the cabinet body (1), a copper busbar structure (2) is provided in the fixing hole (11), the copper busbar structure (2) comprises two copper busbar bodies (21) provided in the fixing hole (11), a gap is left between the two copper busbar bodies (21), the copper busbar body (21) comprises a first conductive portion (211), one end of the first conductive portion (211) extends out of the fixing hole (11), a bending portion (213) is provided at the other end of the first conductive portion (211), and a second conductive portion (212) is provided on a side of the bending portion (213) away from the first conductive portion (211); when two switch cabinets are spliced, the first conductive portion (211) on one switch cabinet is plugged between the two second conductive portions (212) on the adjacent switch cabinet, and the first conductive portion (211) contacts the second conductive portion (212).
2. The quick-install low-voltage switchgear according to claim 1, characterized in that: The copper busbar structures (2) are provided in multiple groups, and the multiple groups of copper busbar structures (2) are distributed along the width direction of the cabinet (1).
3. The quick-install low-voltage switchgear according to claim 1, characterized in that: The bottom wall of the fixing hole (11) is provided with a support structure (3) for supporting the copper busbar body (21), the support structure (3) comprising a support frame (31) arranged on the lower inner wall of the fixing hole (11), the support frame (31) being provided with a mounting hole (311) capable of allowing the copper busbar body (21) to pass through, the upper inner wall of the mounting hole (311) being provided with a first mounting block (32), the lower end surface of the first mounting block (32) being provided with a first mounting groove (322) capable of allowing the copper busbar body (21) to be inserted, the lower inner wall of the mounting hole (311) being provided with a second mounting block (33), the upper end surface of the second mounting block (33) being provided with a second mounting groove (332) capable of allowing the copper busbar body (21) to be inserted.
4. The quick-install low-voltage switchgear according to claim 3, characterized in that: The upper end surface of the first installation block (32) is provided with a first slot (321) capable of being inserted into the support frame (31); the end surface of the support frame (31) along the width direction is provided with a first insertion block (312); the inner wall of the first slot (321) is provided with a first insertion hole (323) capable of being inserted into the first insertion block (312).
5. The quick-install low-voltage switchgear according to claim 4, characterized in that: Both inner walls of the fixing hole (11) along the length direction of the support frame (31) are in contact with the first mounting block (32).
6. The quick-install low-voltage switchgear according to claim 3, characterized in that: A locking structure (34) connecting the support frame (31) and the cabinet (1) is provided between the two. The locking structure (34) comprises two operating seats (341) provided on the bottom wall of the fixing hole (11). The support frame (31) is located between the two operating seats (341). An operating slot (3411) is provided between the two operating seats (341). A spring (342) and a locking block (343) are provided in the operating slot (3411). One end of the spring (342) is connected to the locking block (343), and the other end of the spring (342) is connected to the bottom wall of the operating slot (3411). A locking slot (314) capable of being inserted into the locking block (343) is provided on the support frame (31).
7. The quick-install low-voltage switchgear according to claim 6, characterized in that: An operating hole (3412) communicating with the operating groove (3411) is provided on the end surface of the operating seat (341) away from the support frame (31); an operating rod (344) is passed through the operating hole (3412); one end of the operating rod (344) is connected to the locking block (343), and the other end of the operating rod (344) extends out of the operating seat (341).
8. The quick-install low-voltage switchgear according to claim 7, characterized in that: The spring (342) is sleeved outside the operating rod (344).
9. The quick-install low-voltage switchgear according to claim 1, characterized in that: The upper end surface of the cabinet (1) is provided with a hanging ring (12).