Toggle switch

Abstract

The utility model provides a toggle switch, which comprises a switch shell, contact terminals and a contact bridge assembly, the contact bridge assembly comprises a first contact bridge and a second contact bridge which are arranged side by side, and when the contact bridge assembly moves, a first contact pin and a third contact pin are switched among a plurality of working terminals. The second contact pin and the fourth contact pin are both in sliding contact with the common terminal, and the distance D3 between the first contact pin and the third contact pin in the moving direction of the contact bridge assembly is smaller than the width D1 of any contact section and larger than the distance D2 between any two adjacent contact sections, so that when the first contact pin is about to be separated from one working terminal, the first contact pin is separated from the other working terminal. And the second contact pin is contacted and communicated with the other adjacent working terminal, so that the common terminal is communicated with the two adjacent working terminals at the same time, and the function of instant short circuit is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to switch technical field, concretely relates to a kind of toggle switches. BACKGROUND

[0002] Toggle switch is by toggle switch handle to make circuit connect or disconnect, to reach the purpose of switching circuit. The existing toggle switch includes toggle piece, movable contact bridge and multiple contact terminals, multiple contact terminals are arranged along the moving direction of movable contact bridge, movable contact bridge moves under the drive of toggle piece, the contact foot of movable contact bridge is communicated with different contact terminals, to realize gear switching. Most of the existing toggle switch is non-short-circuit type when gear is switched, and cannot achieve instantaneous short-circuit function in the process of switching positioning, so that the existing product cannot meet the demand of user to control function. SUMMARY

[0003] Therefore, the technical problem to be solved by the utility model is to overcome the defect that the existing toggle switch does not have instantaneous short-circuit function, so as to provide a toggle switch with instantaneous short-circuit function.

[0004] Therefore, the utility model provides a kind of toggle switch, including switch shell, contact terminal and contact bridge assembly, contact terminal includes public terminal and the working terminal of one side being provided at public terminal, one row of working terminal is arranged along the moving direction of contact bridge assembly, the width of the contact section of contact terminal and contact bridge assembly contact is D1, the spacing between adjacent two contact sections is D2;Contact bridge assembly is movably installed in switch shell under the drive of toggle piece, and can be communicated or disconnected with contact terminal, contact bridge assembly includes side by side arranged first contact bridge and second contact bridge, first contact bridge has first contact foot and second contact foot being separately arranged at both ends thereof, second contact bridge has third contact foot and fourth contact foot being separately arranged at both ends thereof, first contact foot and third contact foot are staggered in the moving direction of contact bridge assembly, and the spacing between the two in the moving direction of contact bridge assembly is D3, wherein D3 is less than the width D1 of any contact section, and greater than the spacing D2 between any adjacent two contact sections;First contact foot and third contact foot are switched between multiple working terminals when contact bridge assembly moves, and second contact foot and fourth contact foot are slidably contacted with public terminal.

[0005] The two sides of public terminal are respectively provided with one row of working terminal, second contact foot and fourth contact foot are staggered in the moving direction of contact bridge assembly, and the spacing between the two in the moving direction of contact bridge assembly is D4, D4 is less than the width D1 of any contact section, and greater than the spacing D2 between any adjacent two contact sections.

[0006] D3=D4.

[0007] The first contact bridge and the second contact bridge are connected by a connecting piece.

[0008] The toggle member has a toggle block inside the switch housing, and a toggle rod connected with the toggle block and extending out of the switch housing, and a gear positioning structure is arranged between the toggle block and the switch housing, and the gear positioning structure comprises an elastic positioning block arranged on the switch housing, and at least one positioning slot arranged on the toggle block and matched with the elastic positioning block.

[0009] At least one end of the moving direction of the toggle block is provided with a positioning chamfer, and the positioning chamfer is matched with the elastic positioning block.

[0010] The toggle block is formed with four positioning slots at the middle part, and two positioning chamfers are arranged at the two ends.

[0011] The switch housing comprises a plastic base and a metal cover plate, and the side surface of the metal cover plate is provided with an elastic arm and an elastic positioning block at the middle part of the elastic arm.

[0012] The technical scheme of the utility model has the following advantages:

[0013] 1. The toggle switch provided by the utility model, the contact bridge assembly comprises a first contact bridge and a second contact bridge arranged side by side, the first contact bridge is provided with a first contact foot and a second contact foot arranged at two ends thereof, the second contact bridge is provided with a third contact foot and a fourth contact foot arranged at two ends thereof, the first contact foot and the third contact foot are arranged staggered in the moving direction of the contact bridge assembly, and the interval between the first contact foot and the third contact foot in the moving direction of the contact bridge assembly is D3, when the contact bridge assembly moves, the first contact foot and the third contact foot are switched between a plurality of working terminals, and the second contact foot and the fourth contact foot are in sliding contact with a common terminal, since the interval D3 between the first contact foot and the third contact foot in the moving direction of the contact bridge assembly is smaller than the width D1 of any contact section and larger than the interval D2 between any two adjacent contact sections, when the first contact foot is about to be separated from one working terminal (namely, the first contact foot still keeps contact with the working terminal), the second contact foot has been in contact with another adjacent working terminal, so that the common terminal is connected with the above two adjacent working terminals at the same time, and the function of instantaneous short circuit is realized.

[0014] 2. The utility model provides a toggle switch, one row of working terminals is equipped with on both sides of the common terminal respectively, the second contact foot and fourth contact foot are staggered and arranged in the moving direction of the contact bridge component, and the interval between the second contact foot and fourth contact foot in the moving direction of the contact bridge component is D4, D4 is less than the width D1 of any contact section, and is greater than the interval D2 between any two adjacent contact sections. In this way, when the first contact foot and third contact foot slide with the common terminal, the second contact foot and fourth contact foot can contact and communicate or disconnect with one row of working terminals on the other side of the common terminal, and also can realize the function of instantaneous short circuit.

[0015] 3. The utility model provides a toggle switch, the toggle block is shaped with four positioning grooves in the middle, and two positioning chamfers are separately arranged at both ends, so that the positioning chamfer can also be positioned with the elastic positioning block, thereby shortening the length of the toggle block under the condition of guaranteeing multiple gears of the toggle block, and making the toggle switch more miniaturized. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the specific embodiments of the utility model or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description, and obviously, the drawings in the following description are some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creating labor.

[0017] Figure 1 It is the perspective view of the toggle switch of the utility model;

[0018] Figure 2 It is the explosion structure schematic view of the toggle switch;

[0019] Figure 3 It is the structure schematic view of the contact bridge component in the initial state;

[0020] Figure 4 It is the structure schematic view of the toggle switch in the instantaneous short circuit state;

[0021] Figure 5 It is the structure schematic view of the second contact foot and fourth contact foot of the contact bridge component and the contact terminal.

[0022] Mark the following drawings: 1, switch shell;2, contact terminal;3, contact section;4, toggle piece;5, first contact bridge;6, second contact bridge;7, connecting piece;8, toggle block;9, toggle lever;10, elastic positioning block;11, first contact foot;12, second contact foot;13, third contact foot;14, fourth contact foot;15, positioning groove;16, positioning chamfer;19, plastic base;20, metal cover plate;21, elastic arm;22, common terminal;23, working terminal. DETAILED DESCRIPTION

[0023] The technical solutions of the present application will be described clearly and completely below in conjunction with the drawings. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative efforts fall within the scope of the present application.

[0024] In the description of the present application, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0025] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connecting" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0026] In addition, the technical features involved in different embodiments of the present application described below can be combined with each other as long as there is no conflict.

[0027] Embodiment

[0028] The present embodiment provides a toggle switch, as shown in Figure 1 and Figure 2 , comprising a switch housing 1, a contact terminal 2, a contact bridge assembly and a toggle piece 4.

[0029] In the present embodiment, as shown in Figure 3 and Figure 4 , the contact terminal 2 comprises a common terminal 22, and a row of working terminals 23 arranged on one side of the common terminal 22, and the row of working terminals 23 are arranged at intervals along the moving direction of the contact bridge assembly, the width of the contact section 3 of the contact terminal 2 in contact with the contact bridge assembly is D1, and the interval between the adjacent two contact sections 3 is D2.

[0030] The contact bridge assembly is movably installed in the switch housing 1 and can be in communication or disconnected with the contact terminals 2, as shown in Figure 2 , Figure 3 and Figure 4 The contact bridge assembly includes a first contact bridge 5 and a second contact bridge 6 arranged side by side, and the first contact bridge 5 and the second contact bridge 6 are connected by a connecting piece 7. The first contact bridge 5 has a first contact leg 11 and a second contact leg 12 arranged at two ends thereof respectively, and the second contact bridge 6 has a third contact leg 13 and a fourth contact leg 14 arranged at two ends thereof respectively. The first contact leg 11 and the third contact leg 13 are arranged staggered in the moving direction of the contact bridge assembly, and the distance between the first contact leg 11 and the third contact leg 13 in the moving direction of the contact bridge assembly is D3, wherein D3 is less than the width D1 of any contact section 3 and greater than the distance D2 between any two adjacent contact sections 3. When the dial 4 is in the leftmost gear (as shown in Figure 1 ), the first contact leg 11 and the third contact leg 13 are in contact communication with the leftmost working terminal, and the second contact leg 12 and the fourth contact leg 14 are in contact communication with the common terminal 22. When the dial 4 is switched to the next gear by moving to the right, as shown in Figure 4 , the second contact leg 12 is in contact communication with another adjacent working terminal when the first contact leg 11 is about to be disconnected from the leftmost working terminal (i.e. the first contact leg 11 is still in contact communication with the working terminal), so that the common terminal 22 is in contact with the above two adjacent working terminals at the same time, realizing the function of instantaneous short circuit. During the gear switching process, the second contact leg 12 and the fourth contact leg 14 are always in sliding contact with the common terminal 22. It should be noted that the positions of the second contact leg 12 and the fourth contact leg 14 in the moving direction of the contact bridge assembly are not limited, i.e. the second contact leg 12 and the fourth contact leg 14 can be arranged staggered or at the same position in the moving direction of the contact bridge assembly.

[0031] As a variable embodiment, as shown in Figure 5 , one row of working terminals 23 is arranged on each side of the common terminal 22. The second contact leg 12 and the fourth contact leg 14 are arranged staggered in the moving direction of the contact bridge assembly, and the distance between the second contact leg 12 and the fourth contact leg 14 in the moving direction of the contact bridge assembly is D4, wherein D4 is less than the width D1 of any contact section 3 and greater than the distance D2 between any two adjacent contact sections 3. In this way, when the first contact leg 11 and the third contact leg 13 are in sliding contact with the common terminal 22, the second contact leg 12 and the fourth contact leg 14 can be in contact communication or disconnected with the one row of working terminals on the right side of the common terminal 22, and also realize the function of instantaneous short circuit.

[0032] The toggle member 4 has a toggle block 8 inside the switch housing 1, and a toggle rod 9 connected with the toggle block 8 and extending outside the switch housing 1, and a gear position positioning structure is arranged between the toggle block 8 and the switch housing 1, the gear position positioning structure comprises an elastic positioning block 10 arranged on the switch housing 1, and at least one positioning groove 15 arranged on the toggle block 8 and matched with the elastic positioning block 10. At least one end of the moving direction of the toggle block 8 is provided with a positioning chamfer 16 which can be matched with the elastic positioning block 10. In the embodiment, the toggle block 8 is formed with four positioning grooves 17 at the middle part and two positioning chamfers 16 at the two ends.

[0033] The switch housing 1, as shown in the figure, comprises a plastic base 19 and a metal cover plate 20, the side surface of the metal cover plate 20 is provided with an elastic arm 21 and an elastic positioning block 10 at the middle part of the elastic arm 21. Figure 1

[0034] The contact bridge assembly of the toggle switch comprises a first contact bridge 5 and a second contact bridge 6 arranged side by side, the first contact bridge 5 has a first contact leg 11 and a second contact leg 12 arranged at the two ends respectively, the second contact bridge 6 has a third contact leg 13 and a fourth contact leg 14 arranged at the two ends respectively, the first contact leg 11 and the third contact leg 13 are arranged staggered in the moving direction of the contact bridge assembly, and the interval between the two in the moving direction of the contact bridge assembly is D3, when the contact bridge assembly moves, the first contact leg 11 and the third contact leg 13 are switched between the plurality of working terminals 23, and the second contact leg 12 and the fourth contact leg 14 are in sliding contact with the common terminal 22, since the interval D3 between the first contact leg 11 and the third contact leg 13 in the moving direction of the contact bridge assembly is smaller than the width D1 of any contact section and larger than the interval D2 between any two adjacent contact sections, when the first contact leg 11 is about to be separated from one of the working terminals 23 (that is, the first contact leg still keeps contact with the working terminal), the second contact leg 12 has already contacted with the other adjacent working terminal 23, so that the common terminal 22 is connected with the above two adjacent working terminals 23 at the same time, realizing the function of instantaneous short circuit.

[0035] Obviously, the above embodiments are only examples for clearly illustrating, but not limitation to the embodiments. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, all the embodiments need not and can not be exhausted. The obvious changes or variations derived therefrom are still within the protection scope of the utility model.​

Claims

1. A toggle switch characterized by, The utility model relates to a switch, including: Switch housing (1); Contact terminal (2) including common terminal (22) and the one side of common terminal (22) is equipped with a row of working terminal (23), a row of working terminal (23) is spaced apart arrangement along the moving direction of contact bridge assembly, the width of contact terminal (2) with the contact section (3) of contact bridge assembly contact is D1, the spacing between adjacent two contact section (3) is D2; Contact bridge assembly is driven movably installed in switch housing (1) by actuator (4), and can be communicated or disconnected with contact terminal (2), contact bridge assembly includes side by side arranged first contact bridge (5) and second contact bridge (6), first contact bridge (5) has first contact foot (11) and second contact foot (12) separately arranged at both ends thereof, second contact bridge (6) has third contact foot (13) and fourth contact foot (14) separately arranged at both ends thereof, first contact foot (11) and third contact foot (13) are staggered arrangement in the moving direction of contact bridge assembly, and the spacing between both in the moving direction of contact bridge assembly is D3, wherein D3 is less than the width D1 of any contact section (3), and greater than the spacing D2 between any adjacent two contact section (3); When moving, first contact foot (11) and third contact foot (13) are switched between a plurality of working terminal (23), and second contact foot (12) and fourth contact foot (14) are in sliding contact with common terminal (22).

2. The toggle switch of claim 1, wherein, The two sides of common terminal (22) are respectively equipped with a row of working terminal (23), second contact foot (12) and fourth contact foot (14) are staggered arrangement in the moving direction of contact bridge assembly, and the spacing between both in the moving direction of contact bridge assembly is D4, D4 is less than the width D1 of any contact section (3), and greater than the spacing D2 between any adjacent two contact section (3).

3. The toggle switch of claim 2, wherein, D3=D4.

4. The toggle switch according to any one of claims 1 to 3, characterized in that First contact bridge (5) and second contact bridge (6) are connected by connecting sheet (7).

5. The toggle switch of claim 1, wherein, Actuator (4) has actuating block (8) in the interior of switch housing (1), and actuating lever (9) is connected with actuating block (8) and extends outside switch housing (1), gear positioning structure is arranged between actuating block (8) and switch housing (1), gear positioning structure includes elastic positioning block (10) arranged on switch housing (1), and at least one positioning groove (15) is arranged on actuating block (8) and matched with elastic positioning block (10).

6. The toggle switch of claim 5, wherein, At least one end of the moving direction of actuating block (8) is equipped with positioning chamfer (16), and positioning chamfer (16) can be matched with elastic positioning block (10) and abutted.

7. The toggle switch of claim 6, wherein, Actuating block (8) is formed with four positioning grooves (15) in the middle, and two positioning chamfers (16) are separately arranged at both ends.

8. The toggle switch of claim 5, wherein, The switch housing (1) comprises a plastic base (19) and a metal cover plate (20), the side of the metal cover plate (20) is provided with an elastic arm (21), and an elastic positioning block (10) is arranged at the middle of the elastic arm (21).

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