CN215069771U - Small-angle key switch - Google Patents
Small-angle key switch Download PDFInfo
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- CN215069771U CN215069771U CN202121347266.5U CN202121347266U CN215069771U CN 215069771 U CN215069771 U CN 215069771U CN 202121347266 U CN202121347266 U CN 202121347266U CN 215069771 U CN215069771 U CN 215069771U
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Abstract
Small-angle key switch, including the button, swing subassembly along with the swing of button and swing, the swing along with swing subassembly moves with switch contact subassembly, back seat, frame and the iron stand that changes on-off state, and switch contact subassembly is fixed a position in the back seat, and the back seat location is in the iron stand, and the iron stand buckle is in the frame, and the swing subassembly buckle is on the iron stand, and the frame is injectd the swing angle of button, its characterized in that with the button cooperation: the swing assembly comprises a transition piece and swing pieces, the transition piece is used for driving the switch contact assembly to move, the swing pieces are used for driving the transition piece to swing, the swing pieces are in a bending shape protruding towards the keys and are arranged on the left side and the right side of the transition piece, the keys are pressed on the swing pieces, the two swing pieces synchronously move along with the swinging of the keys, and the swing angle of the transition piece is larger than the swing angle of the keys. The utility model discloses reduce the angle that sticks up of button, make the partial thickness of switch protrusion wall littleer, it is more pleasing to the eye, when improving switch outward appearance aesthetic, guarantee effectively opening and close of switch.
Description
Technical Field
The utility model relates to a small-angle key switch belongs to the switch technology field.
Background
Panel switch adopts the wane formula structure mostly, and it includes button, pendulum rod, wane connecting piece usually, is provided with on the button and can stirs the wobbling shift fork of pendulum rod, drives the wane connecting piece during the swing of pendulum rod lower part and rotates as to contact separation or contact, realizes the switch-on and the disconnection of switch. Most of keys of the existing switches are relatively high in tilting rate, the tilting angle is generally about 4 degrees, the tilting angle of the keys is high, the attractiveness of a panel switch installed on a face wall is influenced to a certain extent, and the point switch can be pure flat and good in attractiveness, but is relatively complex in structure.
SUMMERY OF THE UTILITY MODEL
The utility model provides a low-angle key switch designs the swing piece for the shape of buckling of downward bellied, increases the swing angle of transition piece through the swing piece of buckling to reduce the required swing angle that pushes down of button, reduce the perk angle of button promptly, make the partial thickness of switch protrusion wall littleer, it is more pleasing to the eye, when improving switch outward appearance aesthetics, guarantee effectively opening and close of switch.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
small-angle key switch, including the button, swing subassembly along with the swing of button and swing, the swing along with swing subassembly moves with switch contact subassembly, back seat, frame and the iron stand that changes on-off state, and switch contact subassembly is fixed a position in the back seat, and the back seat location is in the iron stand, and the iron stand buckle is in the frame, and the swing subassembly buckle is on the iron stand, and the frame is injectd the swing angle of button, its characterized in that with the button cooperation: the swing assembly comprises a transition piece and swing pieces, the transition piece is used for driving the switch contact assembly to move, the swing pieces are used for driving the transition piece to swing, the swing pieces are in a bending shape protruding towards the keys and are arranged on the left side and the right side of the transition piece, the keys are pressed on the swing pieces, the two swing pieces synchronously move along with the swinging of the keys, and the swing angle of the transition piece is larger than the swing angle of the keys.
Preferably, the swing assembly further comprises a press plate outer frame buckled on the iron frame, the transition piece is arranged in the press plate outer frame, the center of the top of the transition piece is hinged to the key, the lower end of the transition piece is matched with the switch contact assembly, one end of the swing piece is hinged to the press plate outer frame, the other end of the swing piece is pressed on the transition piece, and the bending position of the swing piece is in contact with the inner surface of the key.
Preferably, the transition piece is T-shaped and comprises a matching arm in contact fit with the switch contact assembly and transition swing arms extending out of the left side and the right side of the matching arm, the center of the top of the matching arm is hinged to the key, one end of each swing piece is pressed on each transition swing arm, and each transition swing arm is in contact with the iron frame to limit the swing angle.
Preferably, the side frame with the larger thickness of the frame is a closed contact frame, the side frame with the smaller thickness is an open contact frame, the switch is in a closed state when the key is in contact with the closed contact frame, and the switch is in an open state when the key is in contact with the open contact frame.
Preferably, the swinging piece is divided into a closed swinging piece and an open swinging piece, the closed swinging piece is close to the closed contact frame, the open swinging piece is close to the open contact frame, the inner surface of the key is provided with a pressing block which is in contact with the bending position of the closed swinging piece, and the bending position of the open swinging piece is directly in contact with the inner surface of the key.
Preferably, the inner surface of the key is provided with a closed limiting flange corresponding to the closed contact frame and an opened limiting flange corresponding to the opened contact frame, the height of the closed limiting flange is greater than that of the opened limiting flange, the closed limiting flange is positioned on the inner side of the closed contact frame, a limiting hole corresponding to the opened limiting flange is formed in the opened contact frame, and the opened limiting flange extends into the limiting hole when the key is in contact with the opened contact frame.
Preferably, one end of the swinging piece pressed on the transitional swinging arm is hinged with the transitional swinging arm.
Preferably, the switch contact assembly comprises a support, a switch contact piece arranged on the support and a swinging contact piece connected with the support and corresponding to the switch contact piece, the swinging contact piece is in contact fit with the matching arm, and the swinging contact piece is in contact with or separated from the switch contact piece along with the swinging of the matching arm to change the switch state.
The utility model has the advantages that:
1. the utility model discloses well swing piece dress is in the left and right sides of transition piece, the button is pressed on the swing piece, it acts on the swing piece of transition piece one side to push down button pressure, two swing pieces are because of the swing of button and synchronous motion, and promote the synchronous swing of transition piece through the swing piece, design the swing piece for the shape of buckling of downward bellied, the swing angle of transition piece is increased through the swing piece of buckling, in order to reduce the required swing angle that pushes down of button, reduce the angle of perk of button promptly, make the partial thickness of switch convex wall littleer, and is more pleasing to the eye.
2. The swing angle of the transition piece is increased by bending the upward protrusion of the swing piece to increase the swing space of the two sides of the transition piece, so that the difference value between the swing angle of the key and the swing angle of the transition piece reaches 3-3.5 degrees, namely when the swing angle of the key is 2 degrees, the swing angle of the transition piece can reach 5-5.5 degrees, the swing angle of the transition piece is large, the swing contact piece in the switch contact assembly can be effectively driven to swing to be in contact with or separated from a switch contact, the on-off of a switch is not influenced, and the effective on-off of the switch is ensured while the appearance aesthetics of the switch is improved.
Drawings
Fig. 1 is a diagram illustrating the split of the small-angle key switch of the present invention.
Fig. 2 is a schematic structural diagram of the small-angle key switch in a closed state.
Fig. 3 is a schematic structural diagram of the small-angle key switch in an on state.
Fig. 4 is a schematic structural diagram of the swing assembly.
Fig. 5 is a schematic structural view of a switch contact assembly.
Detailed Description
The following describes embodiments of the present invention in detail with reference to fig. 1 to 5.
Small-angle key switch, including button 1, swing subassembly 2 along with the swing of button and swing, swing along with swing subassembly and move with the switch contact subassembly 3 that changes on-off state, back seat 4, frame 5 and iron stand 6, switch contact subassembly 3 is positioned in back seat 4, back seat 4 is positioned in iron stand 6, 6 buckles of iron stand 5 in the frame, 2 buckles of swing subassembly are on iron stand 6, frame 5 and the cooperation of button 1 prescribe a limit to the swing angle of button 1, its characterized in that: the swing assembly 2 comprises a transition piece 21 for driving the switch contact assembly 3 to move and swing pieces 22 for driving the transition piece 21 to swing, the swing pieces 22 are in a bending shape protruding towards the keys and are arranged on the left side and the right side of the transition piece 21, the keys 1 are pressed on the swing pieces 22, the two swing pieces 22 synchronously move along with the swinging of the keys 1, and the swing angle of the transition piece 21 is larger than that of the keys.
The small-angle key switch swing piece 22 dress in the left and right sides of transition piece 21, button 1 presses on swing piece 22, push down button 1 pressure and act on the swing piece 22 of transition piece one side, two swing pieces 22 are because of the swing of button 1 and synchronous motion, and promote the transition piece synchronous oscillation through swing piece 22, with swing piece 22 design for bellied shape of buckling downwards, the swing angle of transition piece 21 is increased through the swing piece 22 of buckling, with the required swing angle of pushing down of reduction button, reduce the perk angle of button promptly, make the partial thickness of switch protrusion wall littleer, it is more pleasing to the eye.
The upward protrusion of the swing sheet 22 is bent to increase the swing space of the two sides of the transition piece 21, so that the swing angle of the transition piece 21 is increased, the difference value between the swing angle alpha of the key 1 and the swing angle beta of the transition piece 21 reaches 3-3.5 degrees, namely when the swing angle alpha of the key 1 is 2 degrees, the swing angle beta of the transition piece 21 reaches 5-5.5 degrees, the swing angle of the transition piece is large, the switch contact assembly 3 can be effectively driven to move in place to change the state of the switch, the on-off of the switch is not influenced, the appearance aesthetics of the switch is improved, and meanwhile, the effective on-off of the switch is ensured.
The swing assembly 2 further comprises a pressing plate outer frame 23 buckled on the iron frame 6, the transition piece 21 is arranged in the pressing plate outer frame 23, the center of the top of the transition piece 21 is hinged to the key 1, the lower end of the transition piece 21 is matched with the switch contact assembly 3, one end of the swing piece 22 is hinged to the pressing plate outer frame 23, the other end of the swing piece 22 is pressed on the transition piece 21, and the bending position of the swing piece 22 is in contact with the inner surface of the key. The pressing plate outer frame 23 is buckled on the iron frame, one end of the swinging piece 22 is hinged with the pressing plate outer frame, the swinging piece 22 can be guaranteed to swing around a hinged position all the time, and the positioning reliability is high.
The transition piece 21 is T-shaped and comprises a matching arm 211 in contact fit with the switch contact assembly 3 and transition swing arms 212 extending from the left side and the right side of the matching arm 211, the center of the top of the matching arm 211 is hinged to the key 1, one end of the swing piece 22 is pressed on the transition swing arm 212, and the transition swing arm 212 is in contact with the iron frame 6 to limit the swing angle. The matching arm 211 is hinged with the middle point of the connecting key 1 to ensure the motion synchronism of the connecting key and the connecting key, when one side of the key 1 is pressed down, the pressure is transmitted to the corresponding swinging piece 22, the swinging piece 22 pushes the transition swinging arm 212 to swing, so that the matching arm 211 drives the swinging switch contact component 3 to move, and the switch is changed from an open state to a closed state or from the closed state to the open state.
The side frame with the larger thickness of the frame 5 is a closed contact frame 51, the side frame with the smaller thickness is an open contact frame 52, the switch is in a closed state when the key 1 is in contact with the closed contact frame 51, and the switch is in an open state when the key 1 is in contact with the open contact frame 52. The thicknesses of the frames at the two sides of the frame 5 are different, space is provided for the swinging of the key 1, the opening contact frame 52 limits the swinging of the key 1 when the key 1 is changed from a closed state to an open state, the closing contact frame 51 limits the swinging of the key 1 when the key 1 is changed from the open state to the closed state,
the swinging sheet 22 is divided into a closing swinging sheet 221 and an opening swinging sheet 222, the closing swinging sheet 22 is close to the closing contact frame 51, the opening swinging sheet 222 is close to the opening contact frame 52, the inner surface of the key 1 is provided with a pressing block 11 which is in contact with the bending position of the closing swinging sheet 221, and the bending position of the opening swinging sheet 222 is directly in contact with the inner surface of the key. The press block 11 contacts with the bending position of the closed swinging piece 221, the thickness of the key 1 can be reduced, the space of the swinging piece 22 is increased by 1 on the premise of not increasing the tilting angle of the key 1, so that the single-side swinging angle of the swinging piece 22 is increased, the swinging angle of the transition piece is further increased, the transition piece can drive the switch contact assembly 3 to move in place, and the effectiveness of the switch on and off is ensured.
The inner surface of the key 1 is provided with a closed limiting flange 12 corresponding to the closed contact frame 51 and an open limiting flange 13 corresponding to the open contact frame 52, the height of the closed limiting flange 12 is greater than that of the open limiting flange 13, the closed limiting flange 12 is positioned on the inner side of the closed contact frame 51, a limiting hole 521 corresponding to the open limiting flange 13 is formed in the open contact frame 52, and the open limiting flange 13 extends into the limiting hole 521 when the key 1 is in contact with the open contact frame 52. The positions of the keys 1 are limited by closing the limiting flanges 12 and opening the limiting flanges 13, so that the keys 1 can only swing and cannot be deviated, and the structural reliability of the small-angle key switch is improved.
One end of the swing piece 22, which is pressed on the transition swing arm 212, is hinged to the transition swing arm 212, so that the swing piece 22 is prevented from being separated from the transition piece 21, and the reliability of the swing piece 22 in pushing the transition piece 21 to swing is ensured.
The switch contact assembly 3 includes a bracket 31, a switch contact piece 32 mounted on the bracket 31, and a swinging contact piece 33 connected to the bracket 21 and corresponding to the switch contact piece, wherein the swinging contact piece 33 is in contact fit with the mating arm 211, and changes the switch state by contacting or separating with the switch contact piece 32 along with the swinging of the mating arm 211. The matching arm 211 swings to drive the swinging contact piece 33 to move, so that the swinging contact piece 33 is contacted with or separated from the switch contact piece 32, the switch state is changed, and the switch is ensured to be effectively opened and closed while the appearance aesthetics of the switch is improved.
The technical solutions of the embodiments of the present invention are completely described above with reference to the accompanying drawings, and it should be noted that the described embodiments are only some embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Claims (8)
1. Small-angle key switch, including the button, swing subassembly along with the swing of button and swing, the swing along with swing subassembly moves with switch contact subassembly, back seat, frame and the iron stand that changes on-off state, and switch contact subassembly is fixed a position in the back seat, and the back seat location is in the iron stand, and the iron stand buckle is in the frame, and the swing subassembly buckle is on the iron stand, and the frame is injectd the swing angle of button, its characterized in that with the button cooperation: the swing assembly comprises a transition piece and swing pieces, the transition piece is used for driving the switch contact assembly to move, the swing pieces are used for driving the transition piece to swing, the swing pieces are in a bending shape protruding towards the keys and are arranged on the left side and the right side of the transition piece, the keys are pressed on the swing pieces, the two swing pieces synchronously move along with the swinging of the keys, and the swing angle of the transition piece is larger than the swing angle of the keys.
2. The small angle keyswitch of claim 1, wherein: the swing assembly further comprises a press plate outer frame buckled on the iron frame, the transition piece is arranged in the press plate outer frame, the center of the top of the transition piece is hinged to the key, the lower end of the transition piece is matched with the switch contact assembly, one end of the swing piece is hinged to the press plate outer frame, the other end of the swing piece is pressed on the transition piece, and the bending position of the swing piece is in contact with the inner surface of the key.
3. The small angle keyswitch of claim 2, wherein: the transition piece is T-shaped and comprises a matching arm in contact fit with the switch contact assembly and transition swing arms extending out of the left side and the right side of the matching arm, the center of the top of the matching arm is hinged to the key, one end of each swing piece is pressed on each transition swing arm, and each transition swing arm is in contact with the iron frame to limit the swing angle.
4. The small angle keyswitch of claim 3, wherein: the side frame with the larger frame thickness is a closed contact frame, the side frame with the smaller frame thickness is an opened contact frame, the switch is in a closed state when the key is in contact with the closed contact frame, and the switch is in an opened state when the key is in contact with the opened contact frame.
5. The small angle keyswitch of claim 4, wherein: the swinging piece is divided into a closed swinging piece and an opened swinging piece, the closed swinging piece is close to the closed contact frame, the opened swinging piece is close to the opened contact frame, the inner surface of the key is provided with a pressing block which is in contact with the bending position of the closed swinging piece, and the bending position of the opened swinging piece is directly in contact with the inner surface of the key.
6. The small angle keyswitch of claim 4, wherein: the inner surface of the button is provided with a closed limiting flange corresponding to the closed contact frame and an opened limiting flange corresponding to the opened contact frame, the height of the closed limiting flange is greater than that of the opened limiting flange, the closed limiting flange is positioned on the inner side of the closed contact frame, a limiting hole corresponding to the opened limiting flange is formed in the opened contact frame, and the opened limiting flange extends into the limiting hole when the button is in contact with the opened contact frame.
7. The small angle keyswitch of claim 3, wherein: one end of the swing sheet pressed on the transition swing arm is hinged with the transition swing arm.
8. The small angle keyswitch of claim 3, wherein: the switch contact assembly comprises a support, a switch contact piece arranged on the support and a swinging contact piece connected with the support and corresponding to the switch contact piece, wherein the swinging contact piece is in contact fit with the matching arm and is in contact with or separated from the switch contact piece along with the swinging of the matching arm to change the switch state.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121347266.5U CN215069771U (en) | 2021-06-17 | 2021-06-17 | Small-angle key switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121347266.5U CN215069771U (en) | 2021-06-17 | 2021-06-17 | Small-angle key switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215069771U true CN215069771U (en) | 2021-12-07 |
Family
ID=79203530
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121347266.5U Active CN215069771U (en) | 2021-06-17 | 2021-06-17 | Small-angle key switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215069771U (en) |
-
2021
- 2021-06-17 CN CN202121347266.5U patent/CN215069771U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |