A wire harness assembly

Abstract

The application discloses a wire bar assembly, and belongs to the technical field of low-voltage electrical apparatuses. The wire bar assembly comprises a bottom plate, a supporting block and a busbar. The supporting block is detachably installed on the bottom plate and has a first installation angle and a second installation angle relative to the bottom plate. The supporting block is provided with a positioning hole. The busbar comprises a wiring part and a contact part. The contact part is located on the first side of the bottom plate. The wiring part extends to the second side of the bottom plate through the positioning hole from the first side of the bottom plate. When the supporting block is at the first installation angle, the wiring part is horizontally arranged. When the supporting block is at the second installation angle, the wiring part is vertically arranged. The wire bar assembly provided by the application can realize the switching of the two wiring modes of horizontal wiring and vertical wiring by switching the installation angle of the supporting block relative to the bottom plate. The busbar is integrally designed, thereby effectively ensuring the product performance.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of low-voltage electrical apparatus, in particular to a wire bar assembly. BACKGROUND

[0002] The static contact and the wire bar are crucial components in the circuit breaker, which are directly related to the functions of the contact system, such as current conduction, induction and cut-off. Among them, in order to meet the actual market demand, the wire bar is divided into horizontal wiring and vertical wiring installation methods.

[0003] In the prior art, the static contact and the wire bar can be an integrated structure, or can be connected together through fasteners. Among them, the integrated static contact and the wire bar can only realize one of the horizontal wiring and the vertical wiring, and the application range is limited. The static contact and the wire bar connected through fasteners can realize the switching of horizontal wiring and vertical wiring, but the contact surface of the static contact and the wire bar is easy to increase the loop resistance, which affects the product performance. SUMMARY

[0004] The purpose of the present application is to provide a wire bar assembly which can realize the switching of horizontal wiring and vertical wiring and can ensure the product performance.

[0005] To achieve this purpose, the present application adopts the following technical solutions:

[0006] A wire bar assembly is provided, comprising:

[0007] a bottom plate;

[0008] a support block, which is detachably installed on the bottom plate and has a first installation angle and a second installation angle relative to the bottom plate, and a positioning hole is formed in the support block;

[0009] a busbar, which comprises a wiring part and a contact part, the contact part is located on the first side of the bottom plate, and the wiring part extends from the first side of the bottom plate through the positioning hole to the second side of the bottom plate; wherein,

[0010] when the support block is at the first installation angle, the wiring part is arranged horizontally;

[0011] when the support block is at the second installation angle, the wiring part is arranged vertically.

[0012] Optionally, it further comprises a first fastener and a second fastener, the support block is equally and spacedly provided with at least two first through holes in the circumferential direction, at least one second through hole is formed in the contact part, the first fastener is correspondingly threaded through part of the first through holes and is threadedly connected with the bottom plate, and the second fastener is correspondingly threaded through the second through hole and the remaining first through holes and is threadedly connected with the bottom plate.

[0013] Optionally, a limiting groove is arranged on the bottom plate, the limiting groove can accommodate the support block and limit the support block at the first installation angle or the second installation angle.

[0014] Optionally, the wiring part and the contact part are arranged at an included angle, and a fillet surface is formed between the side of the contact part facing the support block and the wiring part, an inner side wall of the positioning hole extends outward to form a bending part, and the bending part is arranged in abutment with the fillet surface.

[0015] Optionally, a contact point is further included, and a welding surface is recessed in the contact part, and the contact point is welded on the welding surface.

[0016] Optionally, an arc striking piece is further included, and a slot is formed in the contact part, and the arc striking piece is inserted into the slot.

[0017] Optionally, the two opposite side walls of the slot extend outward to form limiting bars.

[0018] Optionally, a third fastener is further included, a third through hole is formed in the arc striking piece, and the third fastener is threaded through the third through hole and is in threaded connection with the bottom plate.

[0019] Optionally, the busbar includes a first busbar, the wiring part of the first busbar is horizontally arranged, and the slot penetrates through the contact part along the width direction of the first busbar.

[0020] Optionally, the busbar includes a second busbar, the wiring part of the second busbar is vertically arranged, and the slot penetrates through the contact part along the length direction of the second busbar.

[0021] Beneficial effects:

[0022] The wire bar assembly provided by the application has the following beneficial effects: the support block is arranged at the first installation angle, and the wiring part is horizontally arranged to realize horizontal wiring; the support block is arranged at the second installation angle, and the wiring part is vertically arranged to realize vertical wiring; the support block can be detachably installed on the base, and the installation angle of the support block relative to the base is switched to switch the two wiring modes of horizontal wiring and vertical wiring; and the busbar is integrally designed, that is, the busbar includes the wiring part and the contact part, and the product performance is effectively ensured. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 FIG. 1 is a structural schematic view of a wire bar assembly with a support block arranged at a first installation angle according to the application;

[0024] Figure 2 FIG. 2 is a partial structural exploded view of the wire bar assembly with the support block arranged at the first installation angle according to the application;

[0025] Figure 3 FIG. 3 is an exploded view of the wire bar assembly with the support block arranged at the first installation angle according to the application.

[0026] Figure 4 is a structural schematic view of a wire row assembly of a support block at a second installation angle provided by the present application;

[0027] Figure 5 is a partial structural exploded view of a wire row assembly of a support block at a second installation angle provided by the present application;

[0028] Figure 6 is an exploded view of a wire row assembly of a support block at a second installation angle provided by the present application;

[0029] Figure 7 is a structural schematic view of a support block provided by the present application;

[0030] Figure 8 is a structural schematic view of an arc striking piece provided by the present application;

[0031] Figure 9 is a structural schematic view of a first busbar provided by the present application;

[0032] Figure 10 is a structural schematic view of a second busbar provided by the present application.

[0033] In the drawings:

[0034] 100, base plate; 101, limiting groove; 102, first threaded hole; 103, second threaded hole;

[0035] 200, support block; 201, positioning hole; 202, first through hole; 210, bending part; 220, first protrusion;

[0036] 300, busbar; 300a, first busbar; 300b, second busbar; 310, wiring part; 320, contact part; 321, second protrusion; 3211, second through hole; 322, insertion slot; 3221, limiting stop; 323, welding surface; 330, rounded surface;

[0037] 410, first fastener; 420, second fastener; 430, third fastener;

[0038] 500, arc striking piece; 510, insertion part; 520, third through hole;

[0039] 600, contact. DETAILED DESCRIPTION

[0040] The present application will be further described below in conjunction with the drawings and examples. It can be understood that the specific examples described herein are merely intended to explain the present application, but not to limit the present application. In addition, it should be noted that, for the convenience of description, only the parts related to the present application are shown in the drawings, but not all the structures.

[0041] In the description of the present application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0042] In the present application, unless otherwise explicitly specified and limited, the first feature "on" or "under" the second feature can include that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0043] In the description of the present embodiment, the terms "up", "down", "right", and the like orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.

[0044] Referring to Figures 1 to 7 The present embodiment provides a wire bar assembly, which comprises a bottom plate 100, a support block 200 and a female bar 300.

[0045] Specifically, the support block 200 is detachably mounted on the bottom plate 100 and has a first mounting angle and a second mounting angle relative to the bottom plate 100, and a positioning hole 201 is formed in the support block 200; the female bar 300 comprises a wiring portion 310 and a contact portion 320, the contact portion 320 is located on the first side of the bottom plate 100, and the wiring portion 310 is arranged through the positioning hole 201 from the first side of the bottom plate 100 and extends to the second side of the bottom plate 100. Among them, the wiring portion 310 is used for external wiring, and the contact portion 320 is used for cooperating with a movable contact (not shown) to turn on or turn off the circuit.

[0046] Among them, the support block 200 is at the first mounting angle, and the wiring portion 310 is horizontally arranged; the support block 200 is at the second mounting angle, and the wiring portion 310 is vertically arranged.

[0047] Exemplarily, the support block 200 is rotated by 90° relative to the bottom plate 100 to realize switching between the first installation angle and the second installation angle.

[0048] In the embodiment, at the first installation angle, the wiring part 310 is horizontally arranged to realize horizontal wiring, and at the second installation angle, the wiring part 310 is vertically arranged to realize vertical wiring. The support block 200 is detachably installed on the base, and by switching the installation angle of the support block 200 relative to the base, the horizontal wiring and the vertical wiring of the wiring part 310 are switched, that is, by positioning the orientation of the busbar 300 relative to the bottom plate 100 through the support block 200, and the busbar 300 is integrally designed, that is, the wiring part 310 and the contact part 320 are integrated, the performance of the product is effectively ensured.

[0049] Exemplarily, the material of the support block 200 is plastic material, for example, DMC or BMC.

[0050] In the embodiment, referring to Figure 2 and Figure 5 , the bottom plate 100 is provided with a limiting groove 101, which can accommodate the support block 200 and limit the support block 200 at the first installation angle or the second installation angle. In the embodiment, by providing the limiting groove 101, the positioning and installation of the support block 200 relative to the bottom plate 100 are facilitated.

[0051] Exemplarily, the cross-sectional shape of the limiting groove 101 and the support block 200 is polygonal, for example, rectangular, to facilitate the placement of the support block 200 in the limiting groove 101. Of course, the cross-sectional shape of the limiting groove 101 and the support block 200 can also be other shapes, which are not limited in the application.

[0052] Exemplarily, at least one support block 200 can be arranged on the bottom plate 100. When a plurality of support blocks 200 are arranged on the bottom plate 100 in the horizontal direction, the wire bar assembly can realize multi-phase wiring. Specifically, the bottom plate 100 can be provided with a plurality of limiting grooves 101 arranged in the horizontal direction, and each limiting groove 101 corresponds to the installation of one support block 200. Among them, Figure 1 and Figure 4 , the x direction is the horizontal direction.

[0053] In the embodiment, referring to Figure 1 , Figure 2 , Figure 4 and Figure 5As shown, the wire row assembly further comprises a first fastener 410 and a second fastener 420, the support block 200 is provided with at least two first through holes 202 equidistantly arranged in the circumferential direction, the contact head 320 is provided with at least one second through hole 3211, the first fastener 410 is correspondingly arranged in the first through hole 202 and is screwed to the bottom plate 100, and the second fastener 420 is correspondingly arranged in the second through hole 3211 and the remaining first through holes 202 and is screwed to the bottom plate 100.

[0054] Specifically, the first threaded hole 102 corresponding to the first through hole 202 is arranged on the bottom plate 100 around the limiting groove 101, and the first fastener 410 and the second fastener 420 are screwed to the corresponding first threaded hole 102, respectively.

[0055] In a feasible implementation, as shown in Figure 3 and Figure 6 shown, the wiring part 310 and the contact head 320 are arranged at an angle to facilitate the positioning and assembly of the busbar 300 and the support block 200. Specifically, in the process of assembling the wire row assembly, first, the support block 200 is placed in the limiting groove 101 of the bottom plate 100 at a first installation angle or a second installation angle, the first fastener 410 is correspondingly arranged in the first through hole 202 and is screwed to the bottom plate 100, and the fixation of the support block 200 relative to the bottom plate 100 is realized; then, the wiring part 310 of the busbar 300 is arranged in the positioning hole 201 until the contact head 320 is attached to the support block 200; finally, the second fastener 420 is correspondingly arranged in the second through hole 3211 and the remaining first through holes 202 and is screwed to the bottom plate 100.

[0056] Specifically, as shown in Figure 3 shown, the busbar 300 is formed by bending and forming the wiring part 310 and the contact head 320, and the circular face 330 is formed between the side of the contact head 320 facing the support block 200 and the wiring part 310. To ensure the positioning accuracy between the busbar 300 and the support block 200, the inner side wall of the positioning hole 201 extends outward to form a bending part 210, which is arranged in close contact with the circular face 330 to realize the positioning and assembly between the busbar 300 and the support block 200, and the bending part 210 has good support for the busbar 300, and the busbar 300 is better sealed in the positioning hole 201. Specifically, the positioning hole 201 is a long hole, the two wide side walls of the long hole can be in close contact with the busbar 300, and the bending part 210 is arranged on one of the two long side walls of the long hole, and the other can be in close contact with the busbar 300, effectively ensuring the positioning accuracy and stability of the connection between the busbar 300 and the support block 200.

[0057] Specifically, the bending inner diameter of the busbar 300 can be equal to the thickness of the busbar 300.

[0058] In an embodiment, as shown in Figure 1 , Figure 2 , Figure 4 and Figure 5 , to ensure the compact structure of the wire harness assembly, the support block 200 is provided with at least two first protrusions 220 at the edges and equidistantly in the circumferential direction, and the first through hole 202 is formed at the first protrusion 220. For example, the cross-sectional shape of the support block 200 is rectangular, the first protrusion 220 is provided with four first protrusions 220 on the four edges of the support block 200, and the corresponding first through hole 202 is provided with four first through holes 202. Further, the contact head 320 is provided with two second through holes 3211. Specifically, the end edge of the contact head 320 away from the terminal 310 and the side edge adjacent to the end edge are respectively provided with a second protrusion 321, and the second through hole 3211 is formed on the second protrusion 321. In this embodiment, to further ensure the compact structure of the wire harness assembly, the first through hole 202 is arranged away from the center of the corresponding edge of the support block 200, and when the plurality of support blocks 200 are arranged on the bottom plate 100 in the horizontal direction, the first protrusions 220 of the adjacent support blocks 200 are arranged in the vertical direction. Figure 1 and Figure 4 , the y direction is the vertical direction.

[0059] In this embodiment, as shown in Figure 1 , Figure 4 and Figure 8 , the wire harness assembly further comprises an arc striking piece 500, and the contact head 320 is provided with a slot 322, and the arc striking piece 500 is inserted into the slot 322. In this embodiment, the arc striking piece 500 is used to strike an arc to lengthen the arc generated by the contact head 320, and the arc is guided into an external arc extinguishing device to achieve better arc extinguishing effect. In this embodiment, during assembly, the arc striking piece 500 is first inserted into the slot 322, and then the slot 322 can be deformed by external force to clamp and fix the arc striking piece 500 between the two opposite side walls of the slot 322, so that the arc striking piece 500 is stably clamped and fixed between the two opposite side walls of the slot 322.

[0060] Specifically, the first end of the arc striking piece 500 is bent to form an insertion portion 510, the insertion portion 510 is inserted into the slot 322, and the arc striking piece 500 is bent to guide the arc to the desired position while ensuring the compact structure of the wire harness assembly.

[0061] In an embodiment, the two opposite sidewalls of the slot 322 extend outwardly to form limiting bars 3221, so as to increase the contact area between the sidewalls and the arc striking sheet 500, effectively ensuring that the arc striking sheet 500 is stably inserted into the slot 322 and preventing the arc striking sheet 500 from being detached from the slot 322. An external force is applied to the limiting bars 3221 to deform the slot 322, facilitating operation.

[0062] In an embodiment, the wire harness assembly further comprises a third fastener 430, and the arc striking sheet 500 is provided with a third through hole 520. The third fastener 430 is inserted into the third through hole 520 and is screwed with the bottom plate 100, further limiting the arc striking sheet 500 to prevent the arc striking sheet 500 from being detached from the slot 322. Specifically, the bottom plate 100 is provided with a second threaded hole 103 corresponding to the third through hole 520, and the third fastener 430 is screwed with the corresponding second threaded hole 103. For example, the second end of the arc striking sheet 500 is provided with the third through hole 520.

[0063] In this embodiment, referring to Figs. 1 and 2, Figure 1 and Figure 4 The wire harness assembly further comprises a contact 600, and the contact head 320 is concavely provided with a welding surface 323. The contact 600 is welded on the welding surface 323, and the connection is stable and reliable. The welding surface 323 is arranged at one side edge of the contact head 320, so that the position of the contact head 320 provided with the welding surface 323 is in a stepped shape. In this embodiment, the contact head 320 is contacted or separated from the movable contact through the contact 600, so as to realize the conduction or disconnection of the circuit. In addition, the welding surface 323 is concavely arranged on the contact head 320, which shortens the creepage distance of the electric arc relative to the arc striking sheet 500, and is conducive to the arc striking sheet 500 attracting the electric arc. In this embodiment, the welding surface 323 is located below the slot 322, and the second end of the arc striking sheet 500 is bent upward relative to the bottom plate 100. For example, the contact 600 extends in the horizontal direction.

[0064] In this embodiment, referring to Figs. 1 and 2, Figure 1 , Figure 4 , Figure 9 and Figure 10 The busbar 300 comprises a first busbar 300a. The wiring portion 310 of the first busbar 300a is arranged horizontally, and the slot 322 penetrates the contact head 320 in the width direction of the first busbar 300a. In this embodiment, the support block 200 at the first installation angle relative to the bottom plate 100 is suitable for installing the first busbar 300a. Specifically, the first busbar 300a is formed by bending a rectangular plate along the length direction. The width direction of the first busbar 300a refers to the width direction of the plate before being bent.

[0065] Specifically, the busbar 300 further comprises a second busbar 300b, the wiring portion 310 of the second busbar 300b is vertically arranged, and the slot 322 is arranged through the contact portion 320 along the length direction of the second busbar 300b. In the embodiment, the support block 200 arranged at the second installation angle relative to the bottom plate 100 is adapted to install the first busbar 300a. Wherein, the second busbar 300a is also formed by bending the rectangular plate along the length direction, and the length direction of the second busbar 300b refers to the length direction of the plate before being bent.

[0066] In the embodiment, the busbar 300 is divided into two types of structures of the first busbar 300a and the second busbar 300b to facilitate the switching of the two wiring modes of horizontal wiring and vertical wiring. And the arc striking sheet 500 installed on the first busbar 300a is oriented in the same direction as the arc striking sheet 500 installed on the second busbar 300b, so that the arc striking sheet 500 is adapted to guide the electric arc to the arc extinguishing device.

[0067] Exemplarily, the assembly method of the wire assembly in the embodiment can be:

[0068] Firstly, the support block 200 is placed in the limiting groove 101 of the bottom plate 100 at the first installation angle or the second installation angle, and the first fastener 410 is threaded through the part of the first perforation 202 on the support block 200 and is screwed with the corresponding first threaded hole 102 of the bottom plate 100.

[0069] Then, the plug-in portion 510 of the arc striking sheet 500 is inserted into the slot 322, and the limiting block 3221 is extruded by external force to clamp and fix the plug-in portion 510.

[0070] Next, the contact 600 is welded on the welding surface 323 of the support block 200.

[0071] Finally, the wiring portion 310 of the busbar 300 is threaded through the positioning hole 201 of the support block 200 until the contact portion 320 is attached to the support block 200, and the rounded surface 330 of the busbar 300 is attached to the bent portion 210 of the support block 200, the second fastener 420 is threaded through the second perforation 3211 of the contact portion 320 and the remaining first perforation 202 of the support block 200 and is screwed with the corresponding first threaded hole 102 of the bottom plate 100, and the third fastener 430 is threaded through the third perforation 520 of the arc striking sheet 500 and is screwed with the second threaded hole 103 of the bottom plate 100.

[0072] Obviously, the above embodiments of the present application are merely exemplary but not intended to limit the embodiments of the present application. Various obvious changes, re-adjustments and substitutions can be made by those skilled in the art without departing from the scope of the present application. It is not necessary or possible to enumerate all the embodiments. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A line array assembly, characterized by, The utility model relates to a kind of busbar structures, including: Bottom plate (100); Support block (200), detachably installed on the bottom plate (100), and it has first installation angle and second installation angle relative to the bottom plate (100), and the support block (200) is provided with positioning hole (201); Busbar (300), including wiring part (310) and contact head (320), the contact head (320) is located at the first side of the bottom plate (100), and the wiring part (310) is arranged by the first side of the bottom plate (100) and extends to the second side of the bottom plate (100) through the positioning hole (201);The busbar (300) is integrally designed;Wherein, The wiring part (310) is horizontally arranged when the support block (200) is at the first installation angle; The wiring part (310) is vertically arranged when the support block (200) is at the second installation angle.

2. The wire bank assembly of claim 1, wherein, It further includes first fastener (410) and second fastener (420), the support block (200) is spaced apart by at least two first perforations (202) in the circumferential direction, the contact head (320) is provided with at least one second perforation (3211), the first fastener (410) is threaded into part of the first perforation (202) and is connected with the bottom plate (100) in screw thread, the second fastener (420) is threaded into the second perforation (3211), the rest of the first perforation (202) and is connected with the bottom plate (100) in screw thread.

3. The wire bank assembly of claim 1, wherein, Limiting groove (101) is arranged on the bottom plate (100), the limiting groove (101) can accommodate the support block (200) and limit the support block (200) at the first installation angle or the second installation angle.

4. The wire bank assembly of claim 1, wherein, The wiring part (310) and the contact head (320) are arranged at an angle, and a rounded surface (330) is formed between the side of the contact head (320) facing the support block (200) and the wiring part (310), the inner side wall of the positioning hole (201) extends outward to form a bending portion (210), and the bending portion (210) is arranged in close contact with the rounded surface (330).

5. The wire bank assembly of claim 1, wherein, It further includes contact point (600), the contact head (320) is recessed with welding surface (323), and the contact point (600) is welded on the welding surface (323).

6. The wire harness assembly of any of claims 1-5, wherein, It further includes arc striking piece (500), and the contact head (320) is provided with insertion slot (322), and the arc striking piece (500) is inserted into the insertion slot (322).

7. The wire bank assembly of claim 6, wherein, The two side walls of the insertion slot (322) extend outward to form a limiting baffle (3221) respectively.

8. The wire bank assembly of claim 6, wherein, It further includes third fastener (430), the arc striking piece (500) is provided with third perforation (520), and the third fastener (430) is threaded into the third perforation (520) and connected with the bottom plate (100) in screw thread.

9. The wire bank assembly of claim 6, wherein, The female busbar (300) comprises a first female busbar (300a), the wiring part (310) of the first female busbar (300a) is horizontally arranged, and the slot (322) is arranged through the contact part (320) along the width direction of the first female busbar (300a).

10. The wire bank assembly of claim 6, wherein, The female busbar (300) comprises a second female busbar (300b), the wiring part (310) of the second female busbar (300b) is vertically arranged, and the slot (322) is arranged through the contact part (320) along the length direction of the second female busbar (300b).

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