CN214175912U - Multi-gear switch - Google Patents

Abstract

The utility model discloses a multi-gear switch, including circuit board, electrical property conduction piece, casing, first connecting rod, second connecting rod, third connecting rod, first wane and second wane, third connecting rod rotatable coupling is on the casing, first connecting rod, second connecting rod and third connecting rod rotatable coupling in proper order, first wane rotatable coupling is on the casing, first connecting rod and first wane rotatable coupling, first connecting rod, second connecting rod, third connecting rod and first wane form four-bar linkage, the second wane is fixed on the third connecting rod; the circuit board sets up on the casing, be provided with open circuit on the circuit board, first wane and second wane swing can press the electrical property and switch on the piece and switch on open circuit. The utility model discloses a plurality of circuits are controlled respectively to a plurality of gears to realize a plurality of circuit break-make of on-off control, can reduce electrical equipment's cost, reduce occuping of space, make things convenient for the overall arrangement of switch among the electrical equipment.

Description

Multi-gear switch

Technical Field

The utility model relates to a circuit switch technical field, concretely relates to many gears switch.

Background

The switch is a common component in the circuit, and various electrical functions are realized by controlling the on-off of the circuit through the switch. With the development of science and technology and the improvement of living standard, many electrical devices have a plurality of circuit structures, each circuit needs to be controlled by a switch, and thus a plurality of switches are needed to control each circuit respectively, so as to realize different electrical functions, and the method for controlling the on-off of each circuit by adopting a plurality of switches has high cost and large logistics transportation cost, and cannot form better competitive advantages; the plurality of switches occupy large space and are disorderly arranged in the electrical equipment, so that the arrangement and the appearance structure of the electrical equipment are influenced; meanwhile, the switches are not easy to control in the production of the electrical equipment. For example, in an automobile, an electric curtain and an electric skylight control circuit are required, the electric curtain needs to be independently controlled by one curtain switch (4 gears), and the electric skylight needs to be independently controlled by one skylight switch (4 gears), so that the cost of the automobile is influenced, and the layout and the attractiveness of the center console are also influenced due to the fact that at least two switches are arranged on the center console.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem control the high cost that exists, the space that occupies greatly, the overall arrangement is in disorder influences electrical equipment's overall arrangement and appearance structure's technical problem respectively through a plurality of switches when having a plurality of circuits to an electrical equipment in the background art, provides a many gears switch that can solve.

In order to solve the technical problem, the technical scheme of the utility model is that: a multi-gear switch comprises a circuit board, an electrical conduction piece, a shell, a first connecting rod, a second connecting rod, a third connecting rod, a first wane and a second wane, wherein the third connecting rod is rotatably connected to the shell, the first connecting rod, the second connecting rod and the third connecting rod are sequentially and rotatably connected, the first wane is rotatably connected to the shell, the first connecting rod is rotatably connected with the first wane, the first connecting rod, the second connecting rod, the third connecting rod and the first wane form a four-bar mechanism, and the second wane is fixed on the third connecting rod; the circuit board sets up on the casing, be provided with open circuit on the circuit board, first wane and second wane swing can press the electrical property and switch on the piece and switch on open circuit.

Furthermore, a limiting groove with a cross-shaped structure is arranged on the shell, a limiting lug is arranged on the first connecting rod, and the limiting lug is arranged in the limiting groove in a sliding mode.

Furthermore, an operating button is further arranged on the second connecting rod, and an inwards concave buckling position is arranged on the side face of the operating button.

Further, a clamping block is arranged in the control button, a clamping table is arranged on the second connecting rod, and the clamping block is clamped on the clamping table.

Further, a buffering component is connected between the first connecting rod and the first warping plate.

Furthermore, a through hole is formed in the first connecting rod, the buffering assembly comprises a spring and a jacking column, a jacking convex block is arranged on the second connecting rod, the spring and the jacking column are arranged in the through hole, one end of the spring is abutted against the first warping plate, the other end of the spring is abutted against the jacking column, the jacking column is abutted against the jacking convex block, and one side, close to the jacking convex block, of the jacking column is of a curved surface structure.

Further, the electrical conduction piece comprises a mounting plate and a soft block, the soft block is elastically arranged on the mounting plate, a conducting layer is arranged on the soft block, and the first warping plate and the second warping plate can swing to press the soft block to conduct the open circuit.

Furthermore, eight soft blocks are arranged on the mounting plate, every two soft blocks are connected together through a connecting plate, and the first warping plate and the second warping plate are abutted to the position, close to one soft block, of the connecting plate; the circuit board is provided with eight open circuits, and the soft block is adapted to the open circuits.

Further, each open circuit all sets up two electrodes, and two electrodes all set up a plurality of pads, and the pad of two electrodes is in proper order looks interval setting.

Furthermore, the shell comprises an upper shell and a base, wherein a clamping hook and a positioning column are arranged on the upper shell, a clamping hole and a positioning hole are formed in the base, the upper shell and the base are buckled together, the clamping hook is clamped in the clamping hole, and the positioning column is inserted in the positioning hole.

The utility model discloses the beneficial effect who realizes mainly has following several: the four-bar linkage that many gears switch is constituteed through first connecting rod, the second connecting rod, third connecting rod and first wane and second wane form four at least press points, press four electrical property switches on and switch on four circuits, realize the on-off control of four at least circuits, realize a plurality of circuit break-make of gear control through a switch, can reduce electrical equipment's cost, reduce occuping of space, make things convenient for the overall arrangement of switch among the electrical equipment.

Drawings

Fig. 1 is a schematic view of an overall appearance structure of a multi-position switch according to a first embodiment of the present invention;

fig. 2 is an explosion structure diagram of a multi-position switch according to a first embodiment of the present invention;

fig. 3 is a schematic structural diagram of an upper case of a multi-position switch according to a first embodiment of the present invention;

fig. 4 is a schematic structural diagram of a circuit board (base) of a multi-gear switch in a first embodiment of the present invention;

fig. 5 is a schematic structural view of an electrode at a breakpoint of an open circuit on a circuit board of a multi-gear switch according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a first link of a multi-position switch according to a first embodiment of the present invention;

fig. 7 is a schematic structural diagram of a second link of the multi-position switch according to the first embodiment of the present invention;

fig. 8 is a schematic structural view of a third link and a second rocker of the multi-position switch according to the first embodiment of the present invention;

fig. 9 is a schematic structural view of a first rocker of a multi-position switch according to a first embodiment of the present invention;

fig. 10 is a schematic perspective view of an electrically conductive member of a multi-position switch according to a first embodiment of the present invention;

fig. 11 is a schematic longitudinal sectional view of an electrically conductive member of a multi-position switch according to a first embodiment of the present invention;

fig. 12 is a schematic structural view of an operation button of a multi-position switch according to a first embodiment of the present invention;

fig. 13 is a schematic view of a three-dimensional structure of a first connecting rod, a second connecting rod, a third connecting rod, a first rocker, an electrical conduction element and a circuit board of a multi-gear switch according to a first embodiment of the present invention;

fig. 14 is a schematic front view of a first connecting rod, a second connecting rod, a third connecting rod, a first rocker, an electrical conduction element and a circuit board of a multi-gear switch according to a first embodiment of the present invention;

fig. 15 is a schematic longitudinal sectional structure view of a connection between the first rocker and the circuit board when the connection plate is not pressed by the first rocker of the multi-gear switch in the first embodiment of the present invention;

fig. 16 is a schematic view of a longitudinal cross-sectional structure of a first rocker, an electrical conduction element, and a circuit board when the first rocker of the multi-gear switch presses the connection board at a small angle in the first embodiment of the present invention;

fig. 17 is the embodiment of the utility model provides a vertical section structure schematic diagram that first wane, electrical property switch on piece and circuit board are connected when the connecting plate is pressed to the first wane wide-angle of many gears switch in one.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.

Detailed Description

To facilitate understanding for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples.

Example one

Referring to fig. 1 to 17, a multi-gear switch controls a plurality of circuits through a plurality of gears respectively, so that one switch controls the on/off of the circuits, the cost of electrical equipment can be reduced, the occupation of space is reduced, and the layout of the switch in the electrical equipment is facilitated. The multi-gear switch comprises a circuit board 1, an electrical conduction part 2, a shell 3, a first connecting rod 41, a second connecting rod 42, a third connecting rod 43, a first rocker 51 and a second rocker 52, wherein the shell 3 is a mounting part of the whole switch structure and can be generally an injection molding plastic part; the other parts of the multi-position switch are mounted on the housing 3. Third connecting rod 43 passes through pivot D rotatable coupling on casing 3, first connecting rod 41, second connecting rod 42 and third connecting rod 43 end to end in proper order, through pivot B and A rotatable coupling, first wane 51 and third connecting rod 43 pass through same pivot D (first wane 51 and third connecting rod 43 install in same pivot, but desynchronized rotation, in fact also can set up the pivot for first wane 51 and third connecting rod 43 respectively) rotatable coupling on casing 3, first connecting rod 41 passes through pivot C rotatable coupling with first wane 51, from this first connecting rod 41, second connecting rod 42, third connecting rod 43 and first wane 51 form four-bar linkage, second wane 52 is fixed on third connecting rod 43. The circuit board 1 is fixedly arranged on the shell 3. As shown in fig. 5, the open circuit 11 is disposed on the circuit board 1, the first rocker 51 and the second rocker 52 can swing to press the electrical conductive member 2 to conduct the open circuit 11, that is, a break point is disposed in the circuit, electrodes 111 are disposed on two sides of the break point, and the two electrodes 111 on two sides of the break point can be communicated with each other through the conductive electrical conductive member 2 to close the circuit.

Referring to fig. 6, 7, 8, 9 and 13, a protrusion 413 disposed on the first connecting rod 41 is connected to an opening 423 of the second connecting rod 42, so that the second connecting rod 42 and the first connecting rod 41 form a structure connected through a rotating shaft B; the protrusion 424 arranged on the second link 42 is connected with the opening 431 arranged on the third link 43, so that the second link 42 and the third link 43 form a structure connected through the rotating shaft a; the opening 414 formed on the first link 41 is connected with the protrusion 511 formed on the first rocker 51, so that the first link 41 and the first rocker 51 form a structure connected through the rotation axis C; the first tilting plate 51 is provided with an opening 512 connected with a bump arranged on the housing 3, so that the first tilting plate 51 and the housing 3 form a structure connected through the rotating shaft D. The second rocker 52 and the third link 43 are of an integral structure and can be integrally formed by injection molding; the second rocker 52 has two ends provided with press blocks 521 for abutting against the electrical conduction element 2, and a protrusion 522 for rotatably connecting with the housing 3. The first tilting plate 51 has pressing blocks 513 at two ends to abut against the electrically conductive member 2.

Referring to fig. 2, 13 and 14, the multi-position switch of the present embodiment operates as follows: when the second connecting rod 42 swings back and forth in the horizontal GH direction, the second rocker 52 fixed on the third connecting rod 43 swings back and forth, and then two ends of the second rocker 52 can swing to press the electrical conductive member 2 to conduct different open circuits 11, so that on-off control of at least two circuits is realized; when the second connecting rod 42 swings in the vertical EF direction, the first connecting rod 41 drives the first rocker 51 to swing up and down, and then the two ends of the first rocker 51 can press the electrical conduction piece 2 to conduct different open circuits 11, so as to realize on-off control of at least two circuits; therefore, on-off control of at least four circuits can be realized through the switch.

Referring to fig. 1, 3, 6 and 14, as a further preferred solution, the housing 3 is preferably provided with a cross-shaped limiting groove 31, the first link 41 is provided with a limiting protrusion 411, and the limiting protrusion 411 is slidably disposed in the limiting groove 31. Therefore, when the second connecting rod 42 swings back and forth in the horizontal GH direction, the limiting bump 411 slides in the horizontal groove of the limiting groove 31 in the cross structure, and the action of the second connecting rod 42 in the vertical EF direction is limited, so that the situation that the first rocker 51 swings when the second rocker 52 swings to influence the on-off control of the second rocker 52 on a circuit is avoided; when the second connecting rod 42 swings in the vertical EF direction, the limiting bump 411 slides in the vertical groove of the limiting groove 31 in the cross structure, and the action of the second connecting rod 42 in the horizontal GH direction is limited, so that the situation that the second rocker 52 swings when the first rocker 51 swings to influence the on-off control of the first rocker 51 on a circuit is avoided; therefore, the first rocker 51 and the second rocker 52 act independently, the problem that each gear of the multi-gear switch is not accurate enough in operation is avoided, and accurate control of on-off of each circuit by each gear is guaranteed.

Referring to fig. 1, 2, 7 and 12, as a further preferred scheme, an operation button 6 is further disposed on the second connecting rod 42 to facilitate operation of the multi-position switch, an inward-concave buckling position 61 is disposed on a side surface of the operation button 6, and when the multi-position switch is operated, the buckling position 61 can be buckled by fingers to swing the second connecting rod 42 up, down, front and back, so that the first rocker 51 and the second rocker 52 are controlled to swing, and on/off of a control circuit of each gear of the switch is realized. The side wall of the buckling position 61 is preferably provided with anti-skid grains, so that the operation and the control are further convenient. In addition, preferably, a clamping block 62 is arranged in the operation button 6, a clamping table 421 is correspondingly arranged on the second connecting rod 42, and the clamping block 62 is clamped on the clamping table 421 when the operation button 6 and the second connecting rod 42 are installed, so that the operation button 6 and the second connecting rod 42 can be rapidly assembled together, and the production and assembly of the multi-gear switch are facilitated. The button position 61, the fixture block 62, the anti-slip pattern and the like can be integrally manufactured and molded when the control button 6 is injection molded.

Referring to fig. 1, 2 and 6, as a further preferred scheme, a buffer assembly 7 is preferably connected between the first link 41 and the first rocker 51, and the connection of the multi-position switch in the four-bar linkage structure is more compact through the buffer assembly 7, so that product noise is prevented from colliding among parts of the multi-position switch when the multi-position switch is used in an environment with severe vibration, such as an automobile, and various parts of the multi-position switch can be protected, and the service life of the multi-position switch is prolonged. The cushion assembly 7 may have the following structure: be provided with in the first connecting rod 41 and perforate 412, buffer unit 7 includes spring 71 and fore-set 72, be provided with roof pressure lug 422 on the second connecting rod 42, spring 71 and fore-set 72 set up in perforating 412, spring 71 one end and first wane 51 looks butt, the spring 71 other end and fore-set 72 looks butt, fore-set 72 and roof pressure lug 422 looks butt, one side that the fore-set 72 is close to roof pressure lug 422 is curved surface structure to tightly push up second connecting rod 42 and first connecting rod 41, first connecting rod 41 and first wane 51 through spring 71, second connecting rod 42 and first connecting rod 41 and first wane 51 collision production noise when avoiding many gears switch to be in the vibration environment. One side of the top pillar 72 close to the top pressing lug 422 is of a curved surface structure, so that the top pressing lug 422 can be pressed on different parts of the curved surface of the top pillar 72 when the four-bar linkage mechanism acts, the top pressing lug 422 and the top pillar 72 can be always kept in close contact, and the buffering effect of the buffering assembly is further enhanced.

Referring to fig. 10 and 11, the electrically conductive element 2 may have the following structure: including mounting panel 21 and soft piece 22, soft piece 22 elasticity sets up on mounting panel 21, and soft piece 22 can be connected on mounting panel 21 through one having elastic connecting portion 24, and mounting panel 21, soft piece 22 and connecting portion 24 can adopt holistic silica gel piece structure to once only make mounting panel 21 and soft piece 22 and connecting portion 24 on it through the mode of moulding plastics, set up the conducting layer on the soft piece 22, the conducting layer can adopt the coating to electrically conductive particles such as graphite of soft piece 22 downside. The first and second seesaws 51 and 52 can swing to press the soft block 22, and the conductive layer on the soft block 22 contacts with the two electrodes 111 of the open circuit 11, so as to electrically conduct the two electrodes 111 of the open circuit 11, and thus conduct the open circuit 11, thereby realizing on-off control of the circuit.

Referring to fig. 4, 15 to 17, in order to enable the multi-position switch to control on/off of more circuits and improve the applicability of the multi-position switch, eight soft blocks 22 are preferably arranged on the mounting plate 21, and every two soft blocks 22 are connected together through a hard connecting plate 23. The first and second rockers 51 and 52 abut the connecting plate 23 at a position close to one of the soft blocks 22 (i.e., offset toward one of the soft blocks 22, not centered); the corresponding circuit board 1 is provided with eight open-circuit circuits 11, the soft blocks 22 are matched with the open-circuit circuits 11, and each soft block 22 corresponds to a breakpoint of one open-circuit 11. When the multi-position switch works, when the first rocker 51 or the second rocker 52 swings by a smaller angle, one soft block 22 close to the first rocker 51 or the second rocker 52 is pressed at a break point of the corresponding open circuit 11, so that the open circuit 11 is conducted; when the first rocker 51 or the second rocker 52 is pressed by a large angle, the first rocker 51 or the second rocker 52 swings by a large angle, the two soft blocks 22 on the lower side of the connecting plate 23 are pressed to the break points of the corresponding open circuits 11, the two open circuits 11 are both conducted, and another electrical function is realized. The multi-position switch thus has eight positions, forming an eight-position switch.

Referring to fig. 5, each of the open circuits 11 is provided with two electrodes 111, preferably, each of the two electrodes 111 of each open circuit 11 is provided with a plurality of pads 112, and the pads 112 of the two electrodes 111 are sequentially spaced apart from each other, so that the soft block 22 can close the corresponding open circuit 11 as long as it is pressed against any two pads 112 of the two electrodes 111, thereby improving the sensitivity and reliability of the multi-position switch.

Referring to fig. 1, 2, 3 and 4, the housing 3 includes an upper shell 32 and a base 33, the base 33 may directly utilize the circuit board 1, or the base 33 may be separately disposed to screw and fix the circuit board 1 on the base 33, in this embodiment, the circuit board 1 is directly utilized as the base 33, which saves material cost and simplifies assembly of the multi-position switch. The upper shell 32 is provided with a clamping hook 321 and a positioning column 322, the base 33 is provided with a clamping hole 331 and a positioning hole 332, the upper shell 32 and the base 33 are buckled together, the upper shell 32 and the base 33 are fixed together through the clamping hook 321 and the clamping hole 331, the positioning column 322 is matched with the positioning hole 332 for positioning, the clamping hook 321 is clamped in the clamping hole 331, and the positioning column 322 is inserted in the positioning hole 332, so that the upper shell 32 and the base 33 are buckled into the integral shell 3. The hook 321 and the positioning post 322 are preferably spaced from each other to ensure the positioning effect and the stability of the housing.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A multi-gear switch is characterized in that: the circuit board comprises a circuit board (1), an electric conduction piece (2), a shell (3), a first connecting rod (41), a second connecting rod (42), a third connecting rod (43), a first warping plate (51) and a second warping plate (52), wherein the third connecting rod (43) is rotatably connected to the shell (3), the first connecting rod (41), the second connecting rod (42) and the third connecting rod (43) are sequentially rotatably connected, the first warping plate (51) is rotatably connected to the shell (3), the first connecting rod (41) is rotatably connected with the first warping plate (51), the first connecting rod (41), the second connecting rod (42), the third connecting rod (43) and the first warping plate (51) form a four-bar mechanism, and the second warping plate (52) is fixed to the third connecting rod (43); the circuit board (1) is arranged on the shell (3), an open circuit (11) is arranged on the circuit board (1), and the first rocker (51) and the second rocker (52) can swing to press the electric conduction piece (2) to conduct the open circuit (11).

2. The multi-position switch of claim 1, wherein: the shell (3) is provided with a limiting groove (31) with a cross structure, the first connecting rod (41) is provided with a limiting lug (411), and the limiting lug (411) is arranged in the limiting groove (31) in a sliding mode.

3. The multi-position switch of claim 2, wherein: the second connecting rod (42) is further provided with an operating button (6), and the side face of the operating button (6) is provided with an inwards concave buckling position (61).

4. The multi-position switch of claim 3, wherein: a clamping block (62) is arranged in the control button (6), a clamping table (421) is arranged on the second connecting rod (42), and the clamping block (62) is clamped on the clamping table (421).

5. The multi-position switch of claim 1, wherein: a buffer component (7) is connected between the first connecting rod (41) and the first warping plate (51).

6. The multi-position switch of claim 5, wherein: be provided with in first connecting rod (41) and perforate (412), buffer unit (7) include spring (71) and fore-set (72), be provided with roof pressure lug (422) on second connecting rod (42), spring (71) and fore-set (72) set up in perforation (412), spring (71) one end and first wane (51) looks butt, spring (71) other end and fore-set (72) looks butt, fore-set (72) and roof pressure lug (422) looks butt, one side that fore-set (72) are close to roof pressure lug (422) is the curved surface structure.

7. The multi-position switch of claim 1, wherein: the electrical conduction piece (2) comprises a mounting plate (21) and a soft block (22), wherein the soft block (22) is elastically arranged on the mounting plate (21), a conductive layer is arranged on the soft block (22), and the first warping plate (51) and the second warping plate (52) can swing to press the soft block (22) to conduct the open circuit (11).

8. The multi-position switch of claim 7, wherein: eight soft blocks (22) are arranged on the mounting plate (21), every two soft blocks (22) are connected together through a connecting plate (23), and the first warping plate (51) and the second warping plate (52) are abutted to the positions, close to one soft block (22), of the connecting plate (23); the circuit board (1) is provided with eight open circuits (11), and the soft block (22) is matched with the open circuits (11).

9. The multi-position switch of claim 8, wherein: each open circuit (11) all sets up two electrodes (111), and two electrodes (111) all set up a plurality of pads (112), and pads (112) of two electrodes (111) are in proper order the looks interval setting.

10. A multi-position switch according to any of claims 1 to 9, characterized in that: the shell (3) comprises an upper shell (32) and a base (33), wherein a clamping hook (321) and a positioning column (322) are arranged on the upper shell (32), a clamping hole (331) and a positioning hole (332) are arranged on the base (33), the upper shell (32) and the base (33) are buckled together, the clamping hook (321) is clamped in the clamping hole (331), and the positioning column (322) is inserted in the positioning hole (332).

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