CN114068225A - Multi-control switch and multi-control circuit system - Google Patents
Multi-control switch and multi-control circuit system Download PDFInfo
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- CN114068225A CN114068225A CN202111166636.XA CN202111166636A CN114068225A CN 114068225 A CN114068225 A CN 114068225A CN 202111166636 A CN202111166636 A CN 202111166636A CN 114068225 A CN114068225 A CN 114068225A
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- 230000003068 static effect Effects 0.000 claims abstract description 94
- 238000005452 bending Methods 0.000 claims description 25
- 230000000712 assembly Effects 0.000 claims description 10
- 238000000429 assembly Methods 0.000 claims description 10
- 125000006850 spacer group Chemical group 0.000 claims description 2
- 230000007306 turnover Effects 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 15
- 238000003825 pressing Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000003780 insertion Methods 0.000 description 6
- 230000037431 insertion Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
- H01H23/02—Details
- H01H23/04—Cases; Covers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H23/00—Tumbler or rocker switches, i.e. switches characterised by being operated by rocking an operating member in the form of a rocker button
- H01H23/02—Details
- H01H23/12—Movable parts; Contacts mounted thereon
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- Slide Switches (AREA)
- Tumbler Switches (AREA)
Abstract
The invention discloses a multi-control switch and a multi-control circuit system, wherein the multi-control switch comprises a mounting main body, a first fixed contact piece assembly, a second fixed contact piece assembly, a first movable contact piece assembly, a second movable contact piece assembly and a switch operating piece; the movable contact part is in sliding contact with the terminal main body, the movable contact piece component can be contacted with or separated from any one of the two static contact piece components in the installation cavity of the installation main body, jumper connection outside the installation cavity is not needed, and the electric control wiring efficiency is improved.
Description
Technical Field
The invention relates to the technical field of electric control components, in particular to a multi-control switch and a multi-control circuit system.
Background
The multi-control switch is also called a midway switch and a reversing switch, so that the illuminating lamp can be controlled in an infinite number of places. Many accuse switches of selling in the traditional market at present are mostly the jumper wire circumscribed, and this kind of jumper wire formula, binding post are many, and it is troublesome, not convenient enough to bring the wiring for the electrician, and increases cost in manufacturing, drawbacks such as assembly is inconvenient.
Disclosure of Invention
The invention provides a multi-control switch with few wiring terminals and quick wiring.
The invention provides a multi-control switch, which comprises an installation main body and at least one switch unit arranged on the installation main body, wherein the switch unit comprises a first fixed contact piece assembly, a second fixed contact piece assembly, a first movable contact piece assembly, a second movable contact piece assembly and a switch operation piece;
the first static contact piece assembly and the second static contact piece assembly respectively comprise a first external terminal and a static contact part, and the static contact part is electrically connected with the first wiring terminal;
the first movable contact piece assembly and the second movable contact piece assembly respectively comprise a second external terminal and a movable contact part, the second external terminal comprises a terminal main body, and the movable contact part can slide in a reciprocating manner relative to the terminal main body and is electrically connected with the terminal main body;
the switch operation piece is movably arranged on the mounting main body and used for simultaneously driving the two movable contact parts to slide relative to the corresponding terminal main bodies, when the switch operation piece is positioned at a first position, the movable contact part of the first movable contact piece assembly slides to a position where the movable contact part of the first movable contact piece assembly is contacted with the static contact part of the second static contact piece assembly, and the movable contact part of the second movable contact piece assembly slides to a position where the movable contact part of the second movable contact piece assembly is contacted with the static contact part of the first static contact piece assembly; when the switch operating piece is located at the second position, the movable contact part of the first movable contact piece component slides to the contact position of the fixed contact part of the first fixed contact piece component, and the movable contact part of the second movable contact piece component slides to the contact position of the fixed contact part of the second fixed contact piece component.
In the invention, the movable contact part is in sliding contact with the terminal main body, the movable contact piece component can be contacted with or separated from any one of the two static contact piece components in the installation main body, external jumper connection is not needed, and the electric control wiring efficiency is improved.
Optionally, the static contact portion of the first static contact piece assembly and the static contact portion of the second static contact piece assembly both include a first static contact portion and a second static contact portion, the first static contact portion of the first static contact piece assembly is opposite to the second static contact portion of the second static contact piece assembly, and the first static contact portion and the second static contact portion are located on two sides of the movable contact portion of the first movable contact piece assembly, the second static contact portion of the first static contact piece assembly is opposite to the first static contact portion of the second static contact piece assembly, and the second static contact portion and the first static contact portion are located on the other sides of the movable contact portion of the second movable contact piece assembly, and the switch operation piece drives the movable contact portions to slide back and forth in the same direction.
Optionally, the switch operating part includes a key panel and an elastic component, the key panel is rotationally connected to the installation main body, the key panel is in reciprocating rotation between the first position and the second position around a rotation axis of the installation main body, an inner side surface of the key panel is further connected with a swinging block rotating along with the key panel, the key panel drives each movable contact part to slide through the swinging block, the elastic component is further press-mounted between the key panel and each movable contact part, and each movable contact part is abutted against the contact part corresponding to the movable contact part under the action of a restoring force of the elastic component.
Optionally, the swing blocks for driving all the movable contact parts are fixedly connected to form an integral structure;
or the number of the swing blocks corresponds to the number of the movable contact parts one by one, and each swing block is relatively independent.
Optionally, the inner side surface of the key panel is provided with an insertion body extending towards the swing block, and the swing block is provided with an insertion hole matched with the insertion body.
Optionally, the elastic component includes a spring, the pendulum block has a spring mounting seat, the spring mounting seat includes a spring mounting hole with an opening facing the movable contact portion, the spring is press-mounted between the spring mounting seat and the movable contact portion, and an opening is formed in the opening of the spring mounting hole and used for being in driving fit with part of the movable contact portion.
Optionally, the mounting body includes a base and a pressing plate, the base has a groove, the pressing plate is mounted in the groove, the first fixed contact piece assembly, the second fixed contact piece assembly, the first movable contact piece assembly and the second movable contact piece assembly are pressed and positioned between the pressing plate and the groove bottom wall of the groove, and the swing block passes through a channel on the pressing plate to drive each movable contact part.
Optionally, the device further comprises a separation plate for separating the left and right adjacent static contact parts.
Optionally, the terminal main bodies at two ends of the switch unit are arranged in parallel, each terminal main body comprises a first bending section and a second bending section, and the terminal main bodies comprise adjacent first side walls, the first side walls are close to the edges of the movable contact parts, the edges of the movable contact parts are outwards bent to form the first bending sections, the first bending sections of the terminal main bodies extend backwards, the lower edges of the first bending sections are provided with the second bending sections, and the movable contact parts are in sliding fit with the second bending sections.
Optionally, the first fixed contact piece assembly and the second fixed contact piece assembly are arranged in parallel from left to right, the first moving contact piece assembly and the second moving contact piece assembly are arranged in parallel from left to right, the first fixed contact piece assembly is opposite to the first moving contact piece assembly, and the second fixed contact piece assembly is opposite to the second moving contact piece assembly.
Optionally, the mounting body has a mounting cavity, and two or more switch units are integrated in the mounting cavity;
or the mounting main body is provided with a mounting cavity, at least one group of double-control switch units are integrated in the mounting cavity, the double-control switch unit comprises two double-control static contact piece assemblies and a double-control movable contact piece assembly, the two double-control static contact piece assemblies are oppositely arranged, the double-control movable contact piece component comprises a terminal body and a conducting piece which are electrically connected, the conducting piece slides with the terminal body, the conducting strip is positioned between the static contact points of the two double-control static contact piece components and also comprises a double-control turnover cover plate, the double-control static contact piece is used for controlling the conducting piece to slide between a third position and a fourth position, when the conducting piece is positioned at the first position, the conducting piece is contacted with the static contact point of one of the two double-control static contact pieces, when the conducting strip is located at the fourth position, the conducting strip is in contact with the static contact point of the other of the two double-control static contact pieces.
The invention also provides a multi-control circuit system which comprises a first dual-control switch, a second dual-control switch and any one of the multi-control switches.
The multi-control circuit system comprises the multi-control switch, so the technical effect of the multi-control switch is also achieved.
Drawings
FIG. 1 is a schematic diagram of an assembly structure of a multi-control switch according to an embodiment of the present invention;
FIG. 2 is an exploded view of a multi-control switch according to an embodiment of the present invention;
FIG. 3 is a schematic view of the assembly of the base, pressure plate, pendulum mass, etc. in one embodiment of the present invention;
FIG. 4 is a schematic view of the assembly of the pendulum mass and the resilient member in one embodiment of the present invention;
FIG. 5 is an assembled view of the swing block and the terminal assembly according to an embodiment of the present invention;
FIG. 6 is a schematic view of a terminal assembly according to one embodiment of the present invention;
FIG. 7 is a schematic view of a terminal assembly mounted in a base in accordance with another embodiment of the present invention;
FIG. 8 is a general schematic diagram of a multi-control switch according to a second embodiment of the present invention;
FIG. 9 is a schematic diagram of a partial layout of a multi-control switch according to a second embodiment of the present invention
FIG. 10 is a schematic diagram of a multi-control switch according to a third embodiment of the present invention;
FIG. 11 is a schematic diagram of a partial layout of a multi-control switch according to a third embodiment of the present invention;
figure 12 shows a schematic diagram of a specific embodiment.
Wherein, the one-to-one correspondence between the reference numbers and the part names in fig. 1 to 11 is as follows:
100 mounting the main body; 1-1 base and 1-2 pressing plate; 1-3 mounting frames and 1-4 outer frames;
200 terminal assemblies; the mobile terminal comprises an L1 first movable contact piece assembly, an L11 terminal body, an L12 screw, an L13 conductive piece, an L131 contact point I, an L132 contact point II, an L2 second movable contact piece assembly, an L21 terminal body, an L22 screw, an L23 conductive piece, an L231 contact point I, an L232 contact point II, an L24 first bending section, an L25 second bending section, an L3 first fixed contact piece assembly, an L331 first fixed contact part, an L332 first fixed contact part, an L4 second fixed contact piece assembly, an L41 first connecting terminal, an L42 screw, an L431 first fixed contact part and an L432 second fixed contact part;
11 key panels, 12 swinging blocks, 12a jacks, 12b spring mounting holes and 1a rotating shaft;
13 elastic member, 14 spacer;
300 double control switch unit, double control flip cover plate 11'.
Detailed Description
In the following, the terms "first", "second", etc. are used for descriptive purposes only and are not to be understood to indicate or imply relative importance or to implicitly indicate the number of technical features indicated. Thus, features defining "first," "second," etc. may explicitly or implicitly include one or more of the features.
In order to make the technical solutions of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 7, fig. 1 is a schematic view illustrating an assembly structure of a multi-control switch according to an embodiment of the present invention; FIG. 2 is an exploded view of a multi-control switch according to an embodiment of the present invention; FIG. 3 is a schematic view of the assembly of the base, pressure plate, pendulum mass, etc. in one embodiment of the present invention; FIG. 4 is a schematic view of the assembly of the pendulum mass and the resilient member in one embodiment of the present invention; FIG. 5 is an assembled view of the swing block and the terminal assembly according to an embodiment of the present invention; FIG. 6 is a schematic view of a terminal assembly according to one embodiment of the present invention; fig. 7 is a schematic view of a terminal assembly mounted in a base in another embodiment of the invention.
Referring to fig. 12, the present invention provides a multi-control circuit system, which is mainly used to control an electric component at an infinite number of positions, where the electric component may be a lamp or a television or other components. The multi-control circuit system includes a first dual-control switch K2, a second dual-control switch K2 'and at least one multi-control switch KX, wherein the first dual-control switch K2 and the second dual-control switch K2' are disposed in an upstream circuit and a downstream circuit of the multi-control switch, and the three are connected between a live wire and a component, please refer to fig. 12, and fig. 12 shows a schematic diagram of an embodiment.
Regarding the main function of the first dual-control switch K2 and the second dual-control switch K2 ', the moving contact L1' is selectively contacted with two fixed contacts (the fixed contact L2 'and the fixed contact L3') to implement two control positions, and the specific structure may refer to the prior art and is not described herein.
Referring to fig. 1 and 2, the multi-control switch provided by the present invention includes a mounting main body, and the mounting main body mainly provides a mounting base for other components and provides a base for being mounted in cooperation with an external environment. The installation main part can carry out reasonable design according to the switch structure of concrete application environment and specific model. In a particular embodiment the mounting body may comprise a base 1-1, a pressure plate 1-2, a mounting frame 1-3 and an outer frame 1-4. The base is provided with a mounting cavity which can provide mounting space for components such as terminals and the like.
The multi-control switch of the present invention further includes a switch unit including a first stationary contact piece assembly L3, a second stationary contact piece assembly L40, a first movable contact piece assembly L1, a second movable contact piece assembly L2, and a switch operation member.
Referring to fig. 6 and 7, each of the first stationary contact piece assembly L3 and the second stationary contact piece assembly L4 includes a first external terminal and a stationary contact portion, and the stationary contact portion is located in the installation cavity and electrically connected to the first connection terminal; the first external terminal is used for being connected with an external circuit.
In one example, the first fixed contact piece assembly L3 includes a first external terminal L31, a screw L32, a first fixed contact portion L331 and a second fixed contact portion L332, and the first fixed contact portion L331 and the second fixed contact portion L332 are both fixed contact portions for contacting with the moving contact piece to realize electrical connection. Wherein the main function of the screw L32 is to position the external line with the first external terminal L31.
A specific embodiment of the second fixed contact piece assembly L4 having the same structure as the first fixed contact piece assembly is given, that is, the second fixed contact piece assembly L4 also includes a first external terminal L41, a screw L42, a first fixed contact portion L431 and a second fixed contact portion L432, and the first fixed contact portion L431 and the second fixed contact portion L432 are both fixed contact portions for contacting with the movable contact piece to realize electrical connection. Wherein the main function of the screw L42 is to position the external line with the first external terminal L41.
Of course, the structures of the first external connection terminals of the first and second fixed contact piece assemblies L3 and L4 and the positioning manner of the first external connection terminals with the external lines are not limited to the above description, and other manners are also possible.
The first movable contact piece assembly L1 and the second movable contact piece assembly L2 of the invention both comprise a second external terminal and a movable contact part, the second external terminal and the movable contact part are both positioned in a mounting cavity, the second external terminal comprises a terminal main body, and the movable contact part can be electrically connected with the terminal main body in a reciprocating sliding way; that is, the movable contact portion can slide reciprocally with respect to the terminal main body and is electrically connected.
Referring to fig. 6 and 7 again, in an example, the first movable contact assembly L1 includes a second external terminal L11, a screw L12, and a first movable contact portion L13, and for facilitating the contact, two side surfaces of the first movable contact portion L13 may further have a first contact point L131 and a second contact point L132, and the first contact point L131 and the second contact point L132 may protrude from the surface of the board on which they are located. The screw L12 and the second external terminal L11 function the same as the corresponding parts in the above-described static contact blade assembly.
Similarly, the structure of the second movable contact piece assembly L2 may be the same as that of the first movable contact piece assembly L1. That is, the second movable contact piece assembly L2 includes a second external terminal L21, a screw L22, and a first movable contact portion L23, and both side surfaces of the first movable contact portion L23 of the second movable contact piece assembly may further have a first contact point L231 and a second contact point L232 for easy contact.
The switch operating piece is movably arranged on the mounting main body and is used for simultaneously driving the movable contact part of the second movable contact piece component L2 and the movable contact part of the first movable contact piece component L1 to slide relative to the corresponding terminal main body, namely, the switch operating piece can simultaneously drive the movable contact part L13 of the first movable contact piece component L1 to electrically slide in a reciprocating mode relative to the second external terminal L11 of the first movable contact piece component and the movable contact part L23 of the second movable contact piece component L2 to electrically slide in a reciprocating mode relative to the second external terminal L21 of the second movable contact piece component.
When the switch operating member is located at the first position, the movable contact part L13 of the first movable contact piece assembly slides to the contact position of the fixed contact part of the second fixed contact piece assembly L4, and the movable contact part L23 of the second movable contact piece assembly slides to the contact position of the fixed contact part of the first fixed contact piece assembly L3; when the switch operating member is in the second position, the moving contact portion L13 of the first moving contact piece assembly slides to the stationary contact portion contact position with the first stationary contact piece assembly L3, and the moving contact portion L23 of the second moving contact piece assembly L2 slides to the stationary contact portion contact position with the second stationary contact piece assembly L4.
That is, when the switch operating member is located at the first position, the first movable contact piece assembly L1 is electrically connected with the second fixed contact piece assembly L4, and the second movable contact piece assembly L2 is electrically connected with the first fixed contact piece assembly L3; when the switch operating member is in the second position, the first movable contact piece assembly L1 is electrically connected with the first stationary contact piece assembly L3, and the second movable contact piece assembly L2 is electrically connected with the second stationary contact piece assembly L4.
From the above, it can be seen that, in the present application, the movable contact portion L13 is in sliding contact with the terminal main body, and the contact and separation of the movable contact piece assembly and any one of the two stationary contact piece assemblies can be realized inside the installation cavity of the installation main body, and the jumper connection outside the installation cavity is not needed, so that the electric control wiring efficiency is improved.
In one example, the static contact part of the first static contact sheet assembly L3 and the static contact part of the second static contact sheet assembly L4 each include a first static contact part and a second static contact part, the first static contact part of the first static contact sheet assembly is opposite to the second static contact part of the second static contact sheet assembly, and the first static contact part and the second static contact part are located on two sides of the movable contact part of one of the first movable contact sheet assemblies, the second static contact part of the first static contact sheet assembly is opposite to the first static contact part of the second static contact sheet assembly, and the second static contact part and the movable contact part are located on two sides of the movable contact part of the other second movable contact sheet assembly, and the switch operating member drives the two movable contact parts to slide back and forth in the same direction.
Referring to fig. 7 again, the first stationary contact portion L331 of the first stationary contact piece assembly L3 is opposite to the second stationary contact portion L432 of the second stationary contact piece assembly L4, and the movable contact portion L13 of the first movable contact piece assembly is located between the first stationary contact portion L331 and the second stationary contact portion L432. When the switch operating element simultaneously drives the movable contact portion L13 and the movable contact portion L23 to slide back and forth between the first stationary contact portion L331 and the second stationary contact portion L432, and between the first stationary contact portion L431 and the second stationary contact portion L332, respectively.
In the above embodiment, one stationary contact member has two stationary contact portions arranged in a staggered manner, and the above technical effects can be achieved by simple linear sliding, and the structure is simple and easy to implement.
Specifically, the switch operating member may include a key panel 11 and an elastic member 13, the key panel 11 is rotatably connected to the mounting body, and referring to fig. 3, according to the specific structure of the mounting body 100, an embodiment in which the key panel 11 is rotatably mounted on the pressing plate 1-2 is described herein. The key panel 11 is rotated back and forth between a first position and a second position around its rotation axis 1a with the mounting body 100, thereby realizing the back and forth sliding of the movable contact parts driving the first movable contact piece assembly and the second movable contact piece assembly.
The inner side surface of the key panel 11 is further connected with a swing block 12 rotating along with the key panel 11, the swing block can be directly connected to the key panel 11, and the swing block and the key panel can also be in a split form, so that the installation is convenient, for example, the inner side surface of the key panel is provided with an insertion body 111 extending towards the swing block 12, the swing block 12 is provided with an insertion hole 12a matched with the insertion body 111, and the key panel 11 drives each movable contact part to slide through the swing block 12.
An elastic component 13 is also pressed between the key panel 11 and each movable contact part, and each movable contact part is abutted against and contacted with the corresponding terminal main body under the action of the restoring force of the elastic component 13. Referring to fig. 4 and 5, the two rocker blocks are shown, the elastic member 13 may be a spring, a spring is pressed between the movable contact portion L13 of the first movable contact piece assembly L1 and the rocker block, and a spring is also pressed between the movable contact portion L23 of the second movable contact piece assembly L2 and the other rocker block. The two swinging blocks simultaneously drive the movable contact part L13 and the movable contact part L23 to synchronously slide and swing in the same direction.
In this embodiment, the elastic member can press the movable contact portion against the terminal body, so that the electrical connection reliability is improved, and the driving force of the pendulum block can be transmitted to the movable contact portion through the elastic member.
Specifically, the swing block 12 has a spring mounting seat 121, the spring mounting seat 121 includes a spring mounting hole with an opening facing the movable contact portion, the spring is at least partially mounted inside the spring mounting hole and is press-mounted between the spring mounting seat 121 and the movable contact portion, and a notch 12b is provided at the opening position of the spring mounting hole for being in driving fit with a part of the movable contact portion. Namely, the movable contact portion 12b is inserted into the notch 12 b.
Thus, the swing block is in direct contact with the movable contact part, and the reliability of driving force transmission is improved.
In the above embodiments, the swinging blocks for driving all the moving contact parts are fixedly connected to form an integral structure, as shown in fig. 4, two swinging blocks 12 corresponding to the first moving contact piece assembly and the second moving contact piece assembly are fixedly connected to form an integral body through an intermediate member.
Of course, the number of the swing blocks corresponds to the number of the movable contact parts one by one, and the swing blocks are relatively independent. Thus, the replacement and maintenance cost is low.
In one example, the first fixed contact piece assembly L3 and the second fixed contact piece assembly L4 are juxtaposed left and right and are disposed one-to-one opposite to the first movable contact piece assembly L1 and the second movable contact piece assembly L2, as shown in fig. 7 the first fixed contact piece assembly L3 and the second fixed contact piece assembly L4 are juxtaposed left and right and the first movable contact piece assembly L1 and the second movable contact piece assembly L2 are juxtaposed left and right and wherein the first movable contact piece assembly L1 is vertically opposite to the first fixed contact piece assembly L3 and the second movable contact piece assembly L2 is vertically opposite to the second fixed contact piece assembly L4. The arrangement mode occupies a relatively small volume and has a compact structure.
In order to meet the requirements of electrical clearance and creepage distance, a partition plate is further arranged between the two left and right adjacent static contact parts, for example, the second static contact part L432 of the second static contact sheet assembly and the second static contact part L332 of the first static contact sheet assembly, and the first static contact part L331 of the first static contact sheet assembly and the first static contact part L431 of the second static contact sheet assembly are separated by the partition plate.
As described above, the base 1-1 has a groove, the pressing plate 1-2 is mounted in the groove, and the first fixed contact piece assembly L3, the second fixed contact piece assembly L4, the first movable contact piece assembly L1 and the second movable contact piece assembly L2 are pressed and positioned between the pressing plate 1-2 and the bottom wall of the groove, i.e., the pressing plate 1-2 can position the assemblies. The swinging block 12 drives each movable contact part through a channel on the pressure plate 1-2.
In a specific embodiment, the two terminal bodies of the switch unit are arranged side by side left and right, each terminal body comprises a first bending section and a second bending section, the two terminal bodies comprise adjacent first side walls, the edge of each first side wall close to the movable contact portion is bent outwards to form the first bending section, the first bending sections of the two terminal bodies extend backwards, the lower edge of each first bending section is also provided with the second bending section, and the movable contact portion is in sliding fit with the second bending section.
Referring to fig. 6, a second moving contact assembly is taken as an example, and the second moving contact assembly includes a first bending section L24 and a second bending section L25. The second bent section L25 is substantially parallel to the paper, and the first bent section L24 is substantially perpendicular to the paper.
The structure is adapted to space-limited environments, improves the flexibility of application,
wherein, the mounting body can be integrated with two or more switch units; two switching units are integrated as in fig. 8.
Referring to fig. 10 and 11, in another specific embodiment, at least one set of dual-control switch unit 300 is further integrated inside the installation cavity, two dual-control switch units 300 are shown in fig. 11, the dual-control switch unit 300 includes two dual-control static contact assemblies (a dual-control static contact assembly L5 and a dual-control static contact assembly L6) and a dual-control movable contact assembly L7, the dual-control static contact assembly L5 and the dual-control static contact assembly L6 are arranged oppositely, the dual-control movable contact assembly L7 includes a terminal body L71 and a conductive sheet L72 which are electrically connected, the conductive sheet L72 slides with the terminal body L71, the conductive sheet L72 is located between the static contact points of the dual-control static contact assembly L5 and the dual-control static contact assembly L6, and the dual-control flip-control cover plate 11' is further included for controlling the conductive sheet to slide between the third position and the fourth position, and corresponds to the dual-control switch units 300 one by one. When the conducting strip is at the first position, the conducting strip is contacted with the static contact point of one of the two double-control static contact pieces, and when the conducting strip is at the fourth position, the conducting strip is contacted with the static contact point of the other of the two double-control static contact pieces.
The multi-control circuit system comprises the multi-control switch, so the technical effect of the multi-control switch is also achieved.
The multi-control switch and the multi-control circuit system provided by the invention are described in detail above. The principles and embodiments of the present invention are explained herein using specific examples, which are presented only to assist in understanding the method and its core concepts. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.
Claims (12)
1. The multi-control switch is characterized by comprising a mounting main body and at least one switch unit mounted on the mounting main body, wherein the switch unit comprises a first fixed contact piece assembly, a second fixed contact piece assembly, a first movable contact piece assembly, a second movable contact piece assembly and a switch operating piece;
the first static contact piece assembly and the second static contact piece assembly respectively comprise a first external terminal and a static contact part, and the static contact part is electrically connected with the first wiring terminal;
the first movable contact piece assembly and the second movable contact piece assembly respectively comprise a second external terminal and a movable contact part, the second external terminal comprises a terminal main body, and the movable contact part can slide in a reciprocating manner relative to the terminal main body and is electrically connected with the terminal main body;
the switch operation piece is movably arranged on the mounting main body and used for simultaneously driving the two movable contact parts to slide relative to the corresponding terminal main bodies, when the switch operation piece is positioned at a first position, the movable contact part of the first movable contact piece assembly slides to a position where the movable contact part of the first movable contact piece assembly is contacted with the static contact part of the second static contact piece assembly, and the movable contact part of the second movable contact piece assembly slides to a position where the movable contact part of the second movable contact piece assembly is contacted with the static contact part of the first static contact piece assembly; when the switch operating piece is located at the second position, the movable contact part of the first movable contact piece component slides to the contact position of the fixed contact part of the first fixed contact piece component, and the movable contact part of the second movable contact piece component slides to the contact position of the fixed contact part of the second fixed contact piece component.
2. The multi-control switch according to claim 1, wherein the stationary contact portion of the first stationary contact member and the stationary contact portion of the second stationary contact member each comprise a first stationary contact portion and a second stationary contact portion, the first stationary contact portion of the first stationary contact member is opposite to the second stationary contact portion of the second stationary contact member and is located on both sides of the movable contact portion of one of the first movable contact members, the second stationary contact portion of the first stationary contact member is opposite to the first stationary contact portion of the second stationary contact member and is located on both sides of the movable contact portion of the other of the second movable contact members, and the switch operating member drives the movable contact portions to reciprocate in the same direction.
3. The multi-control switch according to claim 2, wherein the switch operating member includes a key panel and an elastic member, the key panel is rotatably connected to the mounting body, the key panel reciprocally rotates between the first position and the second position around a rotation axis of the key panel and the mounting body, the inner side surface of the key panel is further connected to the swing block rotating with the key panel, the key panel drives the movable contact portions to slide through the swing block, the elastic member is further press-fitted between the key panel and the movable contact portions, and each movable contact portion is in abutting contact with the corresponding terminal body under a restoring force of the elastic member.
4. The multi-control switch according to claim 3, wherein the oscillating blocks for driving all the movable contacts are fixedly connected to form an integral structure;
or the number of the swing blocks corresponds to the number of the movable contact parts one by one, and each swing block is relatively independent.
5. The multi-control switch of claim 3, wherein the inner side surface of the key panel has an insert extending toward the rocker, and the rocker has a receptacle that mates with the insert.
6. The multi-control switch according to claim 3, wherein the elastic member comprises a spring, the swing block has a spring mounting seat, the spring mounting seat comprises a spring mounting hole with an opening facing the movable contact portion, the spring is pressed between the spring mounting seat and the movable contact portion, and a notch is formed in the opening of the spring mounting hole for driving engagement with a part of the movable contact portion.
7. The multiple control switch of claim 3, wherein said mounting body includes a base having a recess and a pressure plate mounted to said recess, said first stationary contact member, said second stationary contact member, said first movable contact member and said second movable contact member being compressively positioned between said pressure plate and a bottom wall of said recess, said rocker block driving each of said movable contacts through a channel in said pressure plate.
8. The multiple control switch of claim 2, further comprising a spacer for separating left and right adjacent stationary contacts.
9. The multiple control switch according to any one of claims 1 to 8, wherein the two terminal bodies of the switch unit are juxtaposed to each other, each terminal body includes a first bending section and a second bending section, the two terminal bodies include adjacent first side walls, edges of the first side walls near the movable contact portion are bent outward to form the first bending section, the first bending sections of the two terminal bodies extend in a back-to-back manner, the lower edges of the first bending sections further have second bending sections, and the movable contact portion is slidably engaged with the second bending sections.
10. The multi-control switch according to any one of claims 1 to 8, wherein said first stationary contact piece assembly and said second stationary contact piece assembly are juxtaposed right and left, said first movable contact piece assembly and said second movable contact piece assembly are juxtaposed right and left, and said first stationary contact piece assembly is opposite to said first movable contact piece assembly and said second stationary contact piece assembly is opposite to said second movable contact piece assembly.
11. The multi-control switch according to any one of claims 1 to 8, wherein the mounting body has a mounting cavity, and two or more switch units are integrated in the mounting cavity;
or the mounting main body is provided with a mounting cavity, at least one group of double-control switch units are integrated in the mounting cavity, the double-control switch unit comprises two double-control static contact piece assemblies and a double-control movable contact piece assembly, the two double-control static contact piece assemblies are oppositely arranged, the double-control movable contact piece component comprises a terminal body and a conducting piece which are electrically connected, the conducting piece slides with the terminal body, the conducting strip is positioned between the static contact points of the two double-control static contact piece components and also comprises a double-control turnover cover plate, the double-control static contact piece is used for controlling the conducting piece to slide between a third position and a fourth position, when the conducting piece is positioned at the first position, the conducting piece is contacted with the static contact point of one of the two double-control static contact pieces, when the conducting strip is located at the fourth position, the conducting strip is in contact with the static contact point of the other of the two double-control static contact pieces.
12. A multi-control circuit system comprising a first dual-control switch, a second dual-control switch and the multi-control switch of claims 1 to 11.
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|---|---|---|---|
| CN202111166636.XA CN114068225B (en) | 2021-09-30 | 2021-09-30 | Multi-control switch and multi-control circuit system |
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| CN202111166636.XA CN114068225B (en) | 2021-09-30 | 2021-09-30 | Multi-control switch and multi-control circuit system |
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| CN114068225A true CN114068225A (en) | 2022-02-18 |
| CN114068225B CN114068225B (en) | 2024-09-06 |
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| CN114068225B (en) | 2024-09-06 |
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