Breaker jumper terminal

Abstract

The utility model discloses a circuit breaker bridging terminal, which relates to the technical field of circuit breaker connecting structural members, and comprises a comb-shaped metal sheet, three groups of metal tongue pieces are arranged, the end parts of the metal tongue pieces are provided with raised contact parts, and the contact parts are used for increasing the contact area of the connecting end of a circuit breaker; the metal tongue pieces of the two comb-shaped metal pieces are attached to each other to form a plugging end. The insulating shell wraps the upper half parts of the two comb-shaped metal sheets and is used for preventing the metal parts from being exposed after the comb-shaped metal sheets are inserted into the circuit breaker; when the two comb-shaped metal sheets are attached to each other, the two metal tongue sheets are bent oppositely and used for increasing the elastic plugging force of the plugging end. According to the bridge connection terminal of the circuit breaker, the two comb-shaped metal sheets are overlapped with each other to ensure that the thicknesses of the plugging ends are equal, the contact part effectively increases the connection stability of the metal tongue piece and the connection end of the circuit breaker, and the connection performance is better. The insulating shell is convenient for a user to directly plug and unplug the comb-shaped metal sheet and convenient for combination and connection of the circuit breaker.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit breaker connection structural parts, in particular to a circuit breaker jumper terminal. Background Art

[0002] A circuit breaker is a switch device that can close, carry and break the current under normal circuit conditions and close, carry and break the current under abnormal circuit conditions within a specified time. Circuit breakers are divided into high-voltage circuit breakers and low-voltage circuit breakers according to their scope of use. The busbar is a rectangular copper bar that is connected to the power supply and serves as a connection terminal for various relays and circuit breakers. Multiple relays or circuit breakers can be connected through the busbar.

[0003] Chinese patent CN 201110030414.5 discloses a busbar structure for connecting relays and circuit breakers, and specifically relates to a pluggable busbar. The pluggable busbar of the present invention comprises an insulating shell and a plurality of conductive busbars that are insulated from each other and are arranged in the insulating shell. Both ends of the busbar are provided with multi-tongue grooves, and the multi-tongue grooves at one end can be plugged into each other with the multi-tongue grooves at the other end. The two ends of the busbar are fixedly connected to the adjacent busbars through the multi-tongue grooves, and at least a connecting terminal group is provided between the two adjacent busbars after plugging to realize electrical connection. When a longer busbar is needed, the connection extension can be completed by simply plugging two busbars into each other.

[0004] The existing circuit breaker busbar structure realizes circuit breaker connection through modular splicing, but the busbar structure is not convenient to plug and unplug after connection, the combination operation is complicated and the modular connection leads to uneven thickness of metal sheets, and the contact of metal sheets is easy to loosen, resulting in unstable connection. Utility Model Content

[0005] The utility model aims to at least solve the technical problems existing in the prior art that "the busbar structure is inconvenient to plug and unplug after connection, the combination operation is complicated and the modular connection leads to uneven thickness of the metal sheet, and the metal sheet contact is easy to loosen, resulting in unstable connection". To this end, the utility model proposes a circuit breaker jumper terminal, which adopts a plug-in structure, is easy to plug and unplug, and the metal sheet is uniform, the connection is stable, not easy to loosen, and the connection performance is better.

[0006] According to some embodiments of the present invention, a circuit breaker jumper terminal includes:

[0007] A comb-shaped metal sheet is provided with three groups of metal tongues, and the ends of the metal tongues are provided with raised contact portions, and the contact portions are used to increase the contact area of ​​the connection end of the circuit breaker; the metal tongues of the two comb-shaped metal sheets are attached to each other to form a plug-in end;

[0008] An insulating shell, wrapping the upper halves of the two comb-shaped metal sheets, and used to prevent the metal parts of the comb-shaped metal sheets from being exposed after being plugged into the circuit breaker;

[0009] Wherein, when the two comb-shaped metal sheets are attached to each other, the two metal tongues are bent toward each other respectively, so as to increase the elastic plug-in force of the plug-in end.

[0010] According to some embodiments of the utility model, the metal tongues on the comb-shaped metal sheet are arranged at equal intervals, and a connecting portion is provided on the top of the comb-shaped metal sheet, and the connecting portion is integrally formed with the metal tongues.

[0011] According to some embodiments of the utility model, the comb-shaped metal sheet includes a middle metal sheet and end metal sheets, the metal tongue sheet in the middle of the middle metal sheet is provided with the contact portion, and the metal tongue sheets on both sides of the end metal sheet are provided with the contact portions; when the middle metal sheet and the end metal sheet are in contact with each other, each of the plug-in ends is respectively provided with a contact portion.

[0012] According to some embodiments of the utility model, the metal tongues on both sides of the middle metal sheet are provided with positioning holes, and the metal tongues in the middle of the end side metal sheet are provided with the positioning holes, and the positioning holes are used to assist the metal tongues in being plugged into the circuit breaker connection end.

[0013] According to some embodiments of the present utility model, the connecting portion is provided with an engaging portion and an engaging groove, and the middle metal sheet and the end side metal sheet are buckled through the engaging portion and the engaging groove.

[0014] According to some embodiments of the present invention, the width of the contact portion is narrowed to form a trapezoidal shape.

[0015] According to some embodiments of the utility model, a positioning ridge is provided in the middle of the insulating shell, and the positioning ridge protrudes from the side wall of the insulating shell. When the comb-shaped metal sheet is inserted into the connection end of the circuit breaker, the positioning ridge engages with the internal groove of the circuit breaker to prevent the comb-shaped metal sheet from loosening.

[0016] According to some embodiments of the utility model, a quick-release slot is provided on the top of the insulating shell, and the cross-section of the quick-release slot is a T-shaped structure.

[0017] According to some embodiments of the utility model, an indicator portion is provided at a position of the insulating housing close to the connecting portion, and the indicator portion is used to record a maximum carrying current index.

[0018] According to some embodiments of the present invention, the circuit breaker jumper terminal has at least the following beneficial effects: the two comb-shaped metal sheets are superimposed on each other to ensure that the thickness of each plug-in end is equal, and the contact portion effectively increases the connection stability between the metal tongue and the circuit breaker connection end, and the connection performance is better. The insulating housing facilitates the user to directly plug and unplug the comb-shaped metal sheet, which is convenient for circuit breaker combination connection.

[0019] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0021] Figure 1 It is a three-dimensional schematic diagram of the jumper terminal of the circuit breaker according to the embodiment of the utility model;

[0022] Figure 2 It is a front view of the jumper terminal of the circuit breaker according to the embodiment of the utility model;

[0023] Figure 3 It is a side view of the jumper terminal of the circuit breaker according to the embodiment of the utility model;

[0024] Figure 4 It is a three-dimensional schematic diagram of a comb-shaped metal sheet according to an embodiment of the utility model.

[0025] Reference numerals:

[0026] The comb-shaped metal sheet 100, the metal tongue 110, the contact portion 111, the positioning hole 112, the connecting portion 120, the fitting portion 121, the fitting groove 122,

[0027] Insulating housing 200 , positioning convex strip 210 , quick-release card slot 220 , indicating portion 230 . DETAILED DESCRIPTION

[0028] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0029] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, top, bottom, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0030] In the description of the present utility model, "several" means one or more, "more" means more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0031] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0032] Reference below Figure 1-Figure 4 A circuit breaker jumper terminal according to an embodiment of the present invention is described.

[0033] like Figure 1-Figure 4 As shown, the circuit breaker jumper includes a comb-shaped metal sheet 100 and an insulating shell 200. The comb-shaped metal sheet 100 is provided with three groups of metal tongues 110, which can simultaneously connect three groups of 1P circuit breakers or simultaneously connect a 1P circuit breaker and a 2P circuit breaker. The circuit breaker connection can be completed by simply plugging the metal tongue 110 into the connecting end of the circuit breaker, which is convenient and quick. Specifically, a raised contact portion 111 is provided at the end of the metal tongue 110, and the contact portion 111 is used to increase the contact area of ​​the circuit breaker connecting end. The metal tongues 110 of the two comb-shaped metal sheets 100 are attached to each other to form a plug-in end, and the thickness and strength of the plug-in end after the two metal tongues 110 are superimposed are increased, which effectively improves the connection stability between the circuit breakers.

[0034] The insulating housing 200 includes the upper half of two comb-shaped metal sheets 100, which are used to prevent the metal parts of the comb-shaped metal sheets 100 from being exposed after being plugged into the circuit breaker. The staff can quickly plug and unplug the comb-shaped metal sheets 100 through the insulating housing 200 to realize the free combination of the circuit breaker. There is no need to combine the connection terminals before connecting to the circuit breaker, which satisfies the free combination of 1P circuit breakers and 2P circuit breakers, and the operation is simple and the connection is stable.

[0035] When the two comb-shaped metal sheets 100 are attached to each other, the two metal tongues 110 are bent toward each other to increase the elastic plugging force of the plugging end. By increasing the bending rate of the contact portion 111 of the metal tongue 110, the plugging force between the metal tongue 110 and the circuit breaker connection end is increased, thereby improving the connection stability.

[0036] In some embodiments of the present invention, Figure 1 , Figure 2 and Figure 4 As shown, the metal tongues 110 on the comb-shaped metal sheet 100 are arranged at equal intervals, and a connecting portion 120 is provided on the top of the comb-shaped metal sheet 100 , and the connecting portion 120 is integrally formed with the metal tongues 110 .

[0037] Specifically, the metal tongues 110 of the comb-shaped metal sheet 100 of the utility model are arranged in three groups with equal spacing, ensuring that the metal tongues 110 can be inserted into the connection end of the 1P circuit breaker or the 2P circuit breaker. The connection part 120 and the metal tongue 110 are integrally stamped and formed to ensure that the thickness of the metal tongue 110 and the connection part 120 are consistent, ensuring that the current transmission is stable and does not generate heat.

[0038] In some embodiments of the present invention, Figure 1-Figure 4 As shown, the comb-shaped metal sheet 100 includes a middle metal sheet and end metal sheets, the middle metal tongue 110 of the middle metal sheet is provided with a contact portion 111, and the metal tongues 110 on both sides of the end metal sheet are provided with contact portions 111. When the middle metal sheet and the end metal sheets are attached to each other, each plug end is provided with a contact portion 111.

[0039] Specifically, the middle metal sheet and the end metal sheet are combined to form a complete plug-in end. Each group of plug-in ends is composed of two superimposed metal tongues 110, and each group of plug-in ends is provided with a contact portion 111. The raised contact portion 111 effectively increases the connection strength when the metal tongue 110 is plugged into the circuit breaker connection end.

[0040] In some embodiments of the present invention, Figure 1 , Figure 2 and Figure 4 As shown, the metal tongues 110 on both sides of the middle metal sheet are provided with positioning holes 112, and the middle metal tongue 110 of the end metal sheet is provided with a positioning hole 112, and the positioning hole 112 is used to assist the metal tongue 110 to be plugged into the circuit breaker connection end.

[0041] Specifically, the positioning hole 112 is provided at the bend of the contact portion 111 and the metal tongue 110. When the plug-in end is fully inserted into the connection end of the circuit breaker, the positioning point inside the circuit breaker is aligned with the positioning hole 112 of the metal tongue 110. The staff can know whether the metal tongue 110 is plugged in place through the feedback of the contact between the positioning hole 112 and the internal positioning point.

[0042] In some embodiments of the present invention, Figure 4 As shown, the connection part 120 is provided with an interlocking part 121 and an interlocking groove 122, and the middle metal sheet and the end metal sheet are buckled through the interlocking part 121 and the interlocking groove 122. Specifically, in order to prevent the position of the two superimposed metal tongues 110 from being offset, the two comb-shaped metal sheets 100 are buckled through the interlocking groove 122 and the interlocking part 121 of the connection part 120 when connected, so that the position of the connection part 120 of the two comb-shaped metal sheets 100 is relatively fixed, and the displacement of the two comb-shaped metal sheets 100 is prevented when the insulating shell 200 wraps the connection part 120.

[0043] In some embodiments of the present invention, Figure 1 , Figure 2 and Figure 4 Specifically, the width of the contact portion 111 is smaller than that of the metal tongue 110, and the narrowing of the end of the contact portion 111 facilitates the elastic member inside the circuit breaker to open and clamp the metal tongue 110 more easily during the process of plugging the contact portion 111 into the circuit breaker.

[0044] In some embodiments of the present invention, Figure 1-Figure 3 As shown, a positioning ridge 210 is provided in the middle of the insulating housing 200, and the positioning ridge 210 protrudes from the side wall of the insulating housing 200. When the comb-shaped metal sheet 100 is inserted into the connection end of the circuit breaker, the positioning ridge 210 is engaged with the internal groove of the circuit breaker to prevent the comb-shaped metal sheet 100 from loosening.

[0045] In some embodiments of the present invention, Figure 1-Figure 3 As shown, a quick-release slot 220 is provided on the top of the insulating housing 200, and the cross section of the quick-release slot 220 is a T-shaped structure. The staff clamps the grooves on both sides of the quick-release slot 220 with a tool and then pulls out the comb-shaped metal sheet 100 with force, which saves the staff's physical strength and facilitates the staff to quickly adjust the circuit breaker combination.

[0046] In some embodiments of the present invention, Figure 1-Figure 3 As shown, the insulating housing 200 is provided with an indicator 230 near the connection portion 120 , and the indicator 230 is used to record the maximum carrying current index. The staff can quickly select the appropriate model according to the mark of the indicator 230 .

[0047] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0048] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate 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 claims and their equivalents.

Claims

1. A circuit breaker jumper terminal, characterized in that: include: A comb-shaped metal sheet (100) is provided with three groups of metal tongues (110), the ends of the metal tongues (110) are provided with raised contact portions (111), and the contact portions (111) are used to increase the contact area of ​​the circuit breaker connection end; the metal tongues (110) of the two comb-shaped metal sheets (100) are attached to each other to form a plug-in end; An insulating shell (200) wraps the upper halves of the two comb-shaped metal sheets (100) and is used to prevent the metal parts of the comb-shaped metal sheets (100) from being exposed after being plugged into the circuit breaker; When the two comb-shaped metal sheets (100) are attached to each other, the two metal tongue sheets (110) are bent towards each other respectively, so as to increase the elastic plug-in force of the plug-in end.

2. The circuit breaker jumper terminal according to claim 1, characterized in that: The metal tongues (110) on the comb-shaped metal sheet (100) are arranged at equal intervals, and a connecting portion (120) is provided on the top of the comb-shaped metal sheet (100), and the connecting portion (120) is integrally formed with the metal tongues (110).

3. The circuit breaker jumper terminal according to claim 2, characterized in that: The comb-shaped metal sheet (100) comprises a middle metal sheet and end metal sheets, the metal tongue sheet (110) in the middle of the middle metal sheet is provided with the contact portion (111), and the metal tongue sheets (110) on both sides of the end metal sheet are provided with the contact portions (111); When the middle metal sheet and the end metal sheet are attached to each other, each of the plug-in ends is respectively provided with a contact portion (111).

4. The circuit breaker jumper terminal according to claim 3, characterized in that: The metal tongues (110) are provided with positioning holes (112) on both sides of the middle metal sheet, and the metal tongues (110) are provided with positioning holes (112) in the middle of the end metal sheet. The positioning holes (112) are used to assist the metal tongues (110) in plugging into the circuit breaker connection end.

5. The circuit breaker jumper terminal according to claim 4, characterized in that: The connecting portion (120) is provided with an embedding portion (121) and an embedding groove (122), and the middle metal sheet and the end metal sheet are buckled through the embedding portion (121) and the embedding groove (122).

6. The circuit breaker jumper terminal according to claim 2, characterized in that: The width of the contact portion (111) is narrowed to form a trapezoidal shape.

7. The circuit breaker jumper terminal according to any one of claims 2 to 6, characterized in that: A positioning convex strip (210) is provided in the middle of the insulating housing (200), and the positioning convex strip (210) protrudes from the side wall of the insulating housing (200). When the comb-shaped metal sheet (100) is inserted into the connection end of the circuit breaker, the positioning convex strip (210) is engaged with the inner groove of the circuit breaker to prevent the comb-shaped metal sheet (100) from loosening.

8. The circuit breaker jumper terminal according to claim 7, characterized in that: A quick-release card slot (220) is provided on the top of the insulating housing (200), and the cross section of the quick-release card slot (220) is a T-shaped structure.

9. The circuit breaker jumper terminal according to claim 7, characterized in that: The insulating housing (200) is provided with an indicator portion (230) at a position close to the connecting portion (120), and the indicator portion (230) is used to record a maximum carrying current index.

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