Bus adapter
By bending the copper busbar into a bent copper busbar and connecting it with the connector, the problem of large space occupation of flexible copper busbar is solved, realizing the compactness and low-cost production of busbar adapters, and improving the reliability of connection and installation efficiency.
Patent Information
- Application Number
- CN202620083081.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2026-01-22
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2036-01-22
AI Technical Summary
Existing busbar adapters require a large bending space for flexible copper busbars, which affects compact layout and increases costs.
The design employs bent copper busbars and connectors, which are formed in one process, simplifying the production process and reducing costs. The connectors are used to connect to the circuit breaker, achieving a compact layout.
It reduces manufacturing costs, minimizes space occupation, improves connection reliability and ease of installation, and adapts to power distribution cabinet environments with strict space requirements.
Smart Images

Figure CN223927861U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bus adapter technical field, especially a kind of bus adapter. BACKGROUND
[0002] Bus system is mainly applied to low-voltage power distribution cabinet, and the incoming and outgoing line loop adopts holeless electrical installation technology, and the switch is connected with bus by bus adapter, and the distribution bus is both conductor and the support body of electrical element and is enclosed in the back, wherein the bus adapter is connected between the circuit breaker and the bus copper bar, and its function is to connect the electrical element on the live copper bar, without connecting incoming cable, and it is very convenient to disassemble and maintain.
[0003] The bus adapter includes a wiring copper bar, a hook and a soft connection copper bar, one end of the wiring copper bar is connected with the bus through the hook, and the other end is connected with the circuit breaker through the soft connection copper bar, the soft connection copper bar has the advantage of flexible installation, but the long connection distance requires a larger bending space, which affects the compact layout of the adapter body, and the soft connection copper bar also has the problem of high manufacturing cost. SUMMARY
[0004] The utility model discloses a bus adapter, which is formed by bending the wiring copper bar through a bending process, simplifies the production process and reduces the manufacturing cost, and connects the bent copper bar with the incoming end of the circuit breaker through a connector, retains the characteristics of flexible and convenient installation without requiring a large bending space, and is beneficial to the compact and small layout of the adapter body.
[0005] The utility model discloses the technical scheme as follows: a bus adapter includes an adapter body, an upper cover and a wiring copper bar, the upper cover is buckled on the adapter body for mounting the circuit breaker, the circuit breaker is provided with an incoming end, one end of the wiring copper bar is provided with a hook for connecting the bus, and further includes a connector for connecting the incoming end, one end of the wiring copper bar away from the hook is bent to form a bent copper bar, the thickness and width of the bent copper bar are the same as those of the wiring copper bar, the connector is connected with the bent copper bar in a plug-in manner, and the upper cover is provided with a window through which the bent copper bar passes.
[0006] The connector includes a connecting part and a clamping part, the connecting part is connected with the incoming end through a fastener, the clamping part is connected with the bent copper bar in a plug-in manner, and the clamping part also penetrates the window.
[0007] The connecting part and the clamping part are integrally bent and formed, the clamping part includes two clamping jaws symmetrically arranged on both sides of the connecting part, and the outer distance between the two clamping jaws is the same as the width of the bent copper bar.
[0008] Two said clamping jaw on the opening of a slot for the insertion of the bent copper row, and two said clamping jaw corresponding to the inner edge of the slot are raised with the extension of the bent copper row fit.
[0009] Two said clamping jaw corresponding to the end of the slot is provided with an inverted slope.
[0010] Two said clamping jaw respectively clamped with a card spring, two said card spring will be clamping jaw both ends to the direction of the slot inside clamping.
[0011] The adapter body is provided with a recess for embedding the wiring copper row, and the inner wall of the recess is provided with a protrusion abutting against the wiring copper row.
[0012] The adapter body is provided with a recess for embedding the wiring copper row, and the inner wall of the recess is provided with a protrusion abutting against the wiring copper row.
[0013] The beneficial effects of the utility model are as follows: the end of the wiring copper row is directly bent to form a bent copper row, replacing the original soft connection copper row which requires a large bending space, the bent copper row is integrally formed with the wiring copper row, and the thickness and width are the same, which can be processed by stamping, bending and other conventional processes to simplify the production process, thereby effectively reducing the raw material cost and the overall manufacturing cost, and reducing the occupation of the internal and peripheral space of the adapter, which is conducive to realizing the compact and small layout of the adapter body, and is more suitable for the power distribution cabinet environment with strict space requirements. The circuit breaker is installed by the adapter of the plug-in connector and the busbar, which has the advantages of intuitive, accurate and fast. The plug-in connector and the bent copper row are connected by plug-in connection. This connection mode has reliable contact, convenient installation and good consistency. The plug-in connector can be quickly disconnected or connected by plugging, and the replacement of the circuit breaker is more convenient. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings obtained according to these drawings without creative labor are still within the scope of the utility model.
[0015] Figure 1 It is the structure schematic view when the utility model is connected with the circuit breaker.
[0016] Figure 2 It is the structure schematic view of the utility model.
[0017] Figure 3The structure schematic view of the connection of the wiring copper bar, the connector and the hook in the utility model;
[0018] Figure 4 The structure schematic view of the connector in the utility model;
[0019] Figure 5 The structure schematic view of the adapter body in the utility model;
[0020] Figure 6 For Figure 5 The local enlarged schematic view of A in the middle;
[0021] Figure 7 The structure schematic view of another embodiment;
[0022] In the figure, 1 is an adapter body, 2 is an upper cover, 3 is a wiring copper bar, 4 is a circuit breaker, 5 is an incoming line end, 6 is a hook, 7 is a connector, 8 is a bent copper bar, 9 is a window, 10 is a connecting part, 11 is a clamping part, 12 is a clamping jaw, 13 is a slot, 14 is an extension part, 15 is an inverted slope, 16 is a snap spring, 17 is a groove, 18 is a protruding block, 19 is an embedding groove, 20 is a protruding strip, and 21 is a sliding groove. DETAILED DESCRIPTION
[0023] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model will be described in further detail below in combination with the drawings.
[0024] It should be noted that all the expressions of "first" and "second" in the embodiments of the utility model are used to distinguish two same name non-same entities or non-same parameters, and it can be seen that "first" and "second" are only used for the convenience of expression, and should not be understood as the limitation of the embodiments of the utility model, and the subsequent embodiments will not be described one by one.
[0025] The direction and position terms mentioned in the utility model, such as "up", "down", "front", "back", "left", "right", "inside", "outside", "top", "bottom", "side" and the like, are only the direction or position of the drawings. Therefore, the direction and position terms used are used to explain and understand the utility model, and are not limited to the protection scope of the utility model.
[0026] For example, Figures 1 to 7As shown, a bus adapter, including adapter body 1, upper cover 2 and wiring copper bar 3, the upper cover 2 is buckled on the adapter body 1 for circuit breaker 4 installation, the circuit breaker 4 is equipped with the incoming line end 5, one end of the wiring copper bar 3 is equipped with the hook 6 for connecting the bus, further comprising the connector 7 for connecting with the incoming line end 5, the one end of the wiring copper bar 3 away from the hook 6 is bent and has the bent copper bar 8, the thickness and width of the bent copper bar 8 and the wiring copper bar 3 are same, the connector 7 is inserted with the bent copper bar 8, the upper cover 2 is provided with the window 9 for the bent copper bar 8 to pass through.
[0027] The beneficial effects of such arrangement are as follows: the end of the wiring copper bar is directly bent to form a bent copper bar, replacing the original soft connection copper bar requiring a large bending space, the bent copper bar is integrally formed with the wiring copper bar, and the thickness and width are the same, which can be processed into a shape by stamping, bending and other conventional processes at one time, simplifying the production process, thereby effectively reducing the raw material cost and the overall manufacturing cost, and also reducing the occupation of the internal and peripheral space of the adapter, which is conducive to realizing the compact and small layout of the adapter body, and is more suitable for the power distribution cabinet environment with strict space requirements, the circuit breaker is installed by the connector and the bus adapter, which has the advantages of intuition, accuracy and speed, the connector is inserted with the bent copper bar, the contact is reliable, the installation is convenient and consistent, and the quick disconnection or connection can be realized by plugging the connector, and the replacement of the circuit breaker is more convenient.
[0028] Further arrangement, the connector 7 includes a connecting part 10 and a clamping part 11, the connecting part 10 is connected with the incoming line end 5 through a fastener, the clamping part 11 is inserted with the bent copper bar 8, and the clamping part 11 also penetrates the window 9.
[0029] The beneficial effects of such arrangement are as follows: in the embodiment, the fastener adopts a screw, the clamping part of the connector not only realizes electrical connection with the bent copper bar, but also penetrates the window of the upper cover, this design forms a close mechanical cooperation of mutual penetration and positioning between the connector, the bent copper bar and the upper cover, effectively preventing the relative displacement and shaking of each component during vibration or plugging process, greatly improving the mechanical strength and overall stability of the entire connection structure, playing a natural physical guide and limiting role in actual assembly, and the operator can conveniently align and insert the clamping part into the window, thereby quickly and accurately aligning and inserting the connector and the bent copper bar in place, significantly reducing the assembly difficulty, avoiding misalignment installation, and improving the installation efficiency and consistency.
[0030] Further arrangement, the connecting part 10 and the clamping part 11 are integrally bent and formed, the clamping part 11 includes two clamping jaws 12 symmetrically arranged on both sides of the connecting part 10, and the outer distance of the two clamping jaws 12 is same as the width of the bent copper bar 8.
[0031] The beneficial effects of such an arrangement are as follows: the connecting portion and the clamping portion are integrally formed by bending, thereby reducing the number of parts and assembly steps, improving the overall structural strength and consistency of the connector, reducing manufacturing costs, and the two symmetrical clamping jaws have the same outer distance as the width of the bent copper bar, which allows the bent copper bar to be precisely guided and uniformly and tightly clamped, effectively increasing the contact area and pressure and significantly improving the stability and reliability of the electrical connection.
[0032] Further, each of the two clamping jaws 12 is provided with an insertion slot 13 for the insertion of the bent copper bar 8, and the inner edges of the two clamping jaws 12 corresponding to the insertion slots 13 are each provided with an extension 14 that fits the bent copper bar 8.
[0033] The beneficial effects of such an arrangement are as follows: the insertion slot provides a clear and precise physical guide channel for the insertion of the bent copper bar, and the extension greatly increases the contact area between the clamping jaw and the bent copper bar, allowing the bent copper bar to be held more securely after being inserted into place, effectively resisting the risk of loosening caused by external vibration or stress, improving the contact quality, and improving the current-carrying capacity and long-term reliability.
[0034] Further, the end portions of the two clamping jaws 12 corresponding to the insertion slots 13 are provided with inverted bevels 15.
[0035] The beneficial effects of such an arrangement are as follows: the inverted bevels form a tapered guide entrance, making it easier to insert the bent copper bar into the insertion slot and reducing the stringent requirements for initial insertion accuracy, thereby simplifying the assembly operation.
[0036] Further, the adapter body 1 is provided with a recess 17 for the insertion of the wiring copper bar 3, and the inner walls of the two sides of the recess 17 are each provided with a protrusion 18 that abuts against the wiring copper bar 3.
[0037] The beneficial effects of such an arrangement are as follows: the recess provides a dedicated and size-matched accommodation space for the wiring copper bar, and the protrusions on the inner walls of the two sides of the recess form reliable lateral limiting, which, when the wiring copper bar is inserted, exerts an abutting force from both sides, effectively preventing the wiring copper bar from shifting or shaking laterally in the slot, ensuring the accuracy and stability of its installation position and laying a foundation for the subsequent accurate positioning and reliable connection of the hook and the bent copper bar.
[0038] Further, the adapter body 1 is provided with a recess 17 for the insertion of the wiring copper bar 3, and the two sides of the wiring copper bar 3 are each provided with an insertion groove 19 for the overlapping of the hook 6, the two outer walls of the hook 6 are each provided with a protruding strip 20, and the two inner walls of the recess 17 are each provided with a sliding groove 21 for the sliding connection of the protruding strip 20.
[0039] The beneficial effects of the arrangement are as follows: the hooks are overlapped on the embedding groove of the copper bus, and preliminary positioning and installation are realized; the adjustment direction of the hooks is limited through the cooperation of the convex strips and the sliding grooves; the hooks are adjustably installed on the adapter body, the installation position is adjustable, and the busbar is convenient to adapt.
[0040] Further arrangement, two said clamping jaws 12 are respectively clamped with a clamping spring 16, two said clamping springs 16 clamp the two ends of the clamping jaw 12 towards the inside of the insertion slot 13.
[0041] The beneficial effects of the arrangement are as follows: the hooks are overlapped on the embedding groove of the copper bus, and preliminary positioning and installation are realized; the adjustment direction of the hooks is limited through the cooperation of the convex strips and the sliding grooves; the hooks are adjustably installed on the adapter body, the installation position is adjustable, and the busbar is convenient to adapt.
[0042] The above disclosed is only the preferred embodiment of the utility model, of course, cannot with this to limit the utility model right scope, therefore the equivalent change made by the utility model claim still belongs to the range covered by the utility model.
Claims
1. A busbar adapter, comprising an adapter body (1), an upper cover (2), and a copper busbar (3), wherein the upper cover (2) is fastened to the adapter body (1) for mounting a circuit breaker (4), the circuit breaker (4) is provided with an inlet terminal (5), and one end of the copper busbar (3) is provided with a hook (6) for connecting a busbar, characterized in that: It also includes a connector (7) for connecting to the inlet (5), the end of the wiring copper busbar (3) away from the hook (6) is bent into a bent copper busbar (8), the bent copper busbar (8) and the wiring copper busbar (3) have the same thickness and width, the connector (7) is plugged into the bent copper busbar (8), and the top cover (2) has a window (9) for the bent copper busbar (8) to pass through.
2. The busbar adapter according to claim 1, characterized in that: The connector (7) includes a connecting part (10) and a clamping part (11). The connecting part (10) is connected to the inlet end (5) by a fastener. The clamping part (11) is plugged into the bent copper busbar (8) and also penetrates through the window (9).
3. A busbar adapter according to claim 2, characterized in that: The connecting part (10) and the clamping part (11) are also integrally bent. The clamping part (11) includes two clamps (12) symmetrically arranged on both sides of the connecting part (10). The outer distance between the two clamps (12) is the same as the width of the bent copper busbar (8).
4. A busbar adapter according to claim 3, characterized in that: Each of the two jaws (12) has a slot (13) for inserting a bent copper busbar (8), and the inner edge of each of the two jaws (12) corresponding to the slot (13) has an extension (14) that fits into the bent copper busbar (8).
5. A busbar adapter according to claim 4, characterized in that: The ends of the two grippers (12) corresponding to the slots (13) are provided with chamfered surfaces (15).
6. A busbar adapter according to claim 4, characterized in that: Each of the two grippers (12) is engaged with a retaining spring (16), and the two retaining springs (16) clamp the two ends of the grippers (12) toward the inside of the slot (13).
7. A busbar adapter according to claim 1, characterized in that: The adapter body (1) is provided with a groove (17) for embedding the copper busbar (3), and the inner walls on both sides of the groove (17) are raised with protrusions (18) that abut against the copper busbar (3).
8. A busbar adapter according to claim 1, characterized in that: The adapter body (1) has a groove (17) for embedding the copper busbar (3), and the copper busbar (3) has grooves (19) on both sides for hooks (6) to overlap. The outer walls of the hooks (6) have protruding strips (20), and the inner walls of the grooves (17) have sliding grooves (21) for the protruding strips (20) to slide.