CN218384951U - Wall switch and button linkage structure thereof - Google Patents

Abstract

The utility model discloses a key linkage structure, which comprises a shell, a spring seat for switching the switch state, and a key rotationally connected to the shell, wherein the key is linked with the spring seat to switch the switch state of the spring seat; the spring seat is connected to the shell in a swinging manner; a connecting rod is arranged between the spring seat and the key; two ends of the spring seat along the swinging direction are provided with connecting rods; the shell is provided with a sliding rail for the connecting rod to slide towards or away from the spring seat, and the connecting rod is also connected to the sliding rail in a swinging way; convex ribs for pressing and pushing the connecting rods to slide are arranged at the positions, corresponding to the two connecting rods, on the keys; the spring seat keeps abutting against the connecting rods on two sides in the swinging process. The utility model discloses can avoid the button virtual position to appear, reduce the influence that the virtual position of button touched the production to outward appearance and button.

Description

Wall switch and button linkage structure thereof

Technical Field

The utility model relates to a switch specifically is wall switch and button linkage structure thereof

Background

The wall switch generally comprises a key, a functional part and a mounting rack, wherein the mounting rack is used for being connected with a wall surface or a hidden box in the wall body, and the functional part comprises a spring seat, a spring and a contact piece assembly; the spring holder cooperates the button to carry out the change over switch state, utilizes switching in-process roll-over action to compress the spring simultaneously, and after the upset exceeded certain angle, the spring released elastic potential energy, and the spring holder was switched to the opposite side this moment, and then accomplished the switching of on off state.

Present button in order and can produce the linkage effect between the spring holder, generally can set up protruding muscle on the button, act on through the butt between this protruding muscle and the spring holder and push down protruding muscle, but be difficult to remain the cooperation all the time and contact between protruding muscle and the spring holder in this kind of structure, produce virtual position easily, in case virtual position appears and can lead to the button to have invalid stroke, also can cause serious influence in the outward appearance simultaneously, lead to the unable alignment in the edge of button and shell or between button and the button between unable alignment.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a wall switch and button linkage structure thereof can avoid the button virtual position to appear, reduces the influence that the virtual position of button touched the production to outward appearance and button.

In order to achieve the above purpose, the utility model provides a following technical scheme: a key linkage structure comprises a shell, a spring seat used for switching an on-off state, and a key rotationally connected to the shell, wherein the key is linked with the spring seat to switch the on-off state of the spring seat; the spring seat is connected to the shell in a swinging manner; a connecting rod is arranged between the spring seat and the key; two ends of the spring seat along the swinging direction are provided with connecting rods; the shell is provided with a sliding rail for the connecting rod to slide towards or away from the spring seat, and the connecting rod is further connected to the sliding rail in a swinging manner; convex ribs for pressing and pushing the connecting rods to slide are arranged at the positions, corresponding to the two connecting rods, on the keys; the spring seat is kept in abutting joint with the connecting rods on the two sides in the swinging process; when the key is pressed down, the convex rib presses the connecting rod down to turn over the connecting rod and push the connecting rod to slide towards the spring seat so as to pry the spring seat to swing and switch the switch state; when the spring seat swings and the connecting rod is pressed downwards, the connecting rod is pushed to be far away from the spring seat to slide and jack up the corresponding convex rib.

As a further improvement of the utility model, a groove is arranged on the convex rib corresponding to the position of the connecting rod, and one end of the connecting rod corresponding to the convex rib is positioned in the groove; the key presses and pushes the connecting rod through the groove.

As a further improvement of the utility model, the connecting rod has a protrusion corresponding to one end of the groove, and the protrusion part or the whole part is positioned in the groove.

As a further improvement of the present invention, the one end of the connecting rod corresponding to the spring seat is provided with a slope, and the slope is used for prying the spring seat and keeping the butt with the spring seat.

As a further improvement, the slope is provided with an arc transition, and the slope forms a supporting part for supporting the spring seat through the arc transition.

As a further improvement, the spring holder is provided with the fillet with the position that the arc transition corresponds, the spring holder offsets through this fillet and supporting part, arc transition, slope.

As a further improvement, the position on the connecting rod corresponding to the slope is provided with a recess, and the recess is used for providing the space for the inclined plane to be extruded and deformed by the spring seat butt.

As a further improvement of the utility model, the slope is formed by the connecting rod after the one end of the corresponding spring holder is protruding.

As a further improvement, the connecting seat that is used for installing the connecting rod is provided with in the casing, the slide rail is the waist type hole of setting on the connecting seat, the connecting rod is connected through the lug and the waist type hole sliding connection and can overturn that its side set up.

Still provide a wall switch, be provided with the button linkage structure of above-mentioned any improvement scheme in this wall switch.

The utility model has the advantages that: when switch through the button, can let the button, the connecting rod, the whole butt that keeps of spring holder, adopt two connecting rod drive cooperation, the connecting rod slides in the upset, and then realize switch button's small-angle swing, two connecting rods and the whole contact of button simultaneously, the virtual position of button can not appear, and then avoid influencing outward appearance and feeling, the virtual position of button can lead to button and design edge can't align in outward appearance, the virtual position of button can lead to invalid stroke in feeling, the neutral stroke of atress appears. And adopt the scheme of two link drive can shorten the button stroke, and then let the switch thinner, realize the ultra-thinization. The problem of switch swing angle big, thickness are big among the conventional scheme, do not conform to ultra-thinization and small angle swing is overcome.

Drawings

Fig. 1 is a schematic cross-sectional view of a key linkage structure of the present invention;

FIG. 2 is an exploded view of the key linkage structure of the present invention;

fig. 3 is a schematic sectional view (a first switch state) of the key linkage structure connecting seat of the present invention;

fig. 4 is a structural schematic diagram of a second switch state of the key linkage structure of the present invention;

FIG. 5 is an enlarged view of the part A of FIG. 1;

FIG. 6 is a schematic view of the external structure of embodiment 1 of the present invention;

fig. 7 is a schematic diagram of a first switch state of embodiment 2 of the present embodiment;

fig. 8 is a schematic diagram of a second switch state of embodiment 2 of the present embodiment;

fig. 9 is a schematic diagram of the explosion structure of embodiment 2 of the present embodiment.

Reference numerals: 1. a housing; 2. a spring seat; 21. round corners; 3. pressing a key; 4. a connecting rod; 41. a protrusion; 42. a slope; 43. performing arc transition; 44. a support portion; 45. sinking; 5. a slide rail; 6. a rib is protruded; 61. a groove; 7. a connecting seat; 71. a kidney-shaped hole; 72. a bump; 81. a stationary contact sheet assembly; 82. and a movable contact piece assembly.

Detailed Description

The present invention will be described in further detail with reference to embodiments shown in the drawings.

As shown with reference to figures 1-9,

a key linkage structure comprises a shell 1, a spring seat 2 for switching on and off states, and a key 3 rotatably connected to the shell 1, wherein the key 3 is linked with the spring seat 2 to switch the on and off states of the spring seat 2; the spring seat 2 is connected to the shell 1 in a swinging way; a connecting rod 4 is arranged between the spring seat 2 and the key 3; two ends of the spring seat 2 along the swinging direction are provided with connecting rods 4; a sliding rail 5 for enabling the connecting rod 4 to slide towards or away from the spring seat 2 is arranged on the shell 1, and the connecting rod 4 is further connected to the sliding rail 5 in a swinging manner; convex ribs 6 for pressing and pushing the connecting rods 4 to slide are arranged on the keys 3 at positions corresponding to the two connecting rods 4; the spring seat 2 keeps abutting against the connecting rods 4 on two sides in the swinging process; when the key 3 is pressed down, the convex rib 6 presses the connecting rod 4 down to turn over the connecting rod 4 and push the connecting rod 4 to slide towards the spring seat 2 so as to pry the spring seat 2 to swing to switch the switch state; when the spring seat 2 swings and the connecting rod 4 is pressed downwards, the connecting rod 4 is pushed to slide away from the spring seat 2 and jack up the corresponding convex rib 6, and as shown in fig. 1, when the left side of the key 3 is pressed downwards, the convex rib 6 presses the first connecting rod (the connecting rod 4 on the left side) downwards to enable the first connecting rod to turn over and swing and push the first connecting rod to move towards the spring seat 2, and at the moment, the first connecting rod prizes the spring seat 2 to enable the spring seat 2 to swing to switch the switch state; because the swing of spring holder 2, the right side of spring holder 2 can push down the second connecting rod (connecting rod 4 on right side), and spring holder 2 promoted the second connecting rod this moment and kept away from spring holder 2 and slide to jack up corresponding protruding muscle 6.

The working principle of the scheme is as follows:

referring to fig. 1, a state in which the key 3 is facing upward is taken as an example. When the switch needs to be switched, the left side of the key 3 is pressed, the key 3 is pressed down at the moment, meanwhile, the pressure is transmitted to the connecting rod 4 through the convex rib 6, the connecting rod 4 is driven to be pressed down, in the process that the connecting rod 4 is pressed down to turn, the convex rib 6 also pushes the connecting rod 4 to slide towards the spring seat 2 (namely slide rightwards), at the moment, the connecting rod 4 is always abutted against the key 3 and the spring seat 2, and at the moment, the spring seat 2 driven by the connecting rod 4 makes clockwise turning motion; when the spring seat 2 is turned to an angle of 0 degree, the compression energy storage of the spring of the movable contact spring assembly 82 arranged in the spring seat 2 reaches the maximum value (the movable contact spring assembly 82 is arranged in the hollowed part at the bottom of the spring seat 2, and a spring is arranged between the movable contact spring assembly and the spring, when the spring seat 2 swings, the spring is compressed to generate elasticity on the movable contact spring assembly 82, when the swing angle of the spring seat 2 reaches a certain degree, the movable contact spring assembly 82 can be pried to switch towards the other direction, and the static contact spring assembly 81 is matched to realize the switching of circuits), when the spring drives the movable contact spring assembly 82 to turn over the horizontal angle of 0 degree, the spring of the movable contact spring assembly 82 instantly releases energy to drive the spring seat 2 to rapidly turn clockwise to be matched with the static contact spring assembly 81 to switch and contact, so as to realize the switching state (refer to the schematic structure of the static contact spring assembly 81 and the movable contact spring assembly 82 in fig. 2); 2 positions of spring holder and connecting rod 4 contact this moment, spring holder 2 presses down the connecting rod 4 of the original perk in right side simultaneously, and let connecting rod 4 towards the direction of keeping away from spring holder 2 slide (slide right promptly) and upset, the protruding muscle 6 in right side of connecting rod 4 jack-up button 3 simultaneously, connecting rod 4 and the spring holder 2 that corresponds on this in-process right side, the mutual butt is kept to the position of button 3, foretell working process is gone on in step, consequently can let button 3 under the operating condition, spring holder 2, keep whole journey butt between two connecting rods 4, avoid button 3 invalid stroke or virtual position to appear, lead to influencing button 3 and feel and outward appearance, the problem that button 3 can't align with the design outward appearance can not appear.

Double-connecting-rod 4 is adopted and is mutually pushed under the swing of the spring seat 2, the button 3, the spring seat 2 and the double-connecting-rod 4 can be kept in whole-course butt joint, and the occurrence of button virtual positions is avoided. And the stroke of the key 3 can be shortened by means of the swing of the connecting rod 4, so that the switch is lighter and thinner.

It needs to mention that, do not have the gliding setting of connecting rod 4 in the current scheme, though in order to reduce the 3 strokes of button in current ultra-thin switch, also have the scheme that adopts connecting rod 4, nevertheless because current connecting rod 4 can't slide, lead to its upset to prize the in-process tip of spring holder 2 to be convex movement track, under this movement track, lead to the cooperation of button 3 to appear the virtual position easily, the contact effect can't be guaranteed.

This scheme can be applicable to in general wall switch, bathroom heater switch, the ultra-thin switch.

As a more specific preferred embodiment, a groove 61 is provided on the rib 6 at a position corresponding to the link 4, and one end of the link 4 corresponding to the rib 6 is located in the groove 61; the key 3 presses and pushes the link 4 through the groove 61.

The groove 61 is provided with a groove bottom and a groove wall, the connecting rod 4 is pressed and pushed by the bottom and the wall of the groove 61 respectively, a stable matching state can be kept, and meanwhile, the anti-disengaging effect is achieved, so that the assembling state is more stable.

In addition, one end of the connecting rod 4 corresponding to the groove 61 is provided with a projection 41, and the projection 41 is partially or completely positioned in the groove 61. The link 4 can be more easily adapted by fitting the projection 41 into the groove 61, and has an enhancement in strength by having the projection 41, which is equivalent to forming a reinforcing rib. The connecting rod 4 has longer service life when being matched with and pressed by the key 3 for a long time.

Referring to fig. 1 and 5, in order to improve the matching effect between the connecting rod 4 and the spring seat 2, an alternative embodiment is that the end of the connecting rod 4 corresponding to the spring seat 2 is provided with a slope 42, and the slope 42 is used for prying the spring seat 2 and is kept in abutment with the spring seat 2.

The slope 42 is directed toward the state shown in fig. 1 as an example, and the outer side of the link 4 is inclined downward toward the spring seat 2 to form a surface for abutting against the spring seat 2. With this inclined surface, when the link 4 slides toward the spring seat 2, the spring seat 2 and the link 4 can be held in contact with each other.

Referring to fig. 5, further, an arc transition 43 is provided on the slope 42, and the slope 42 forms a support portion 44 for supporting the spring seat 2 through the arc transition 43. With this arrangement, the support portion 44 can support the end of the spring seat 2 in the pressed state, so that the spring seat has a stable position. And arc transition 43 can transitionally link up slope 42, makes spring holder 2 more smooth and easy when prizing with connecting rod 4 butt.

Of course, in a preferred embodiment, the position of the spring seat 2 corresponding to the arc transition 43 is provided with a fillet 21, and the spring seat 2 abuts against the support portion 44, the arc transition 43, and the slope 42 through the fillet 21. Fillet 21 can slide more smoothly with the butt between slope 42, the arc transition 43, and the effect is better, more conveniently cooperates the prizing of connecting rod 4 and the butt.

In addition, a recess 45 is provided in the link 4 at a position corresponding to the slope 42, and the recess 45 is used to provide a space for the slope to be crushed and deformed by the abutment of the spring seat 2.

The recess 45 corresponds to a groove 61, and when the slope 42 is pressed, if the force is too large, the buffer can be absorbed by the recess 45, and the rigidity damage can not occur.

In addition, the slope 42 is formed by protruding one end of the link 4 corresponding to the spring seat 2.

Since the slope 42 needs a certain thickness to be formed, the material used for forming the slope 42 by the protrusion can be reduced, and at the same time, the slope 42 can have a sufficient thickness, and the recess 45 can be conveniently arranged while the thickness is increased. The arrangement of the recess 45 includes at least two ways, taking the state of fig. 1 as an example, one way is that the recess 45 is located below the connecting rod 4, the position where deformation is more likely to occur is the position where the slope 42 is close to the lower part, and simultaneously, a V-shaped structure can be formed by matching with the slope 42, the position where the slope 42 is close to the lower part forms a position where deformation is more likely to occur through the recess 45, and the position where the slope 42 is close to the upper part has a certain deformation effect because of the V-shaped structure (see fig. 5); another is that the recess 45 is located above the link 4, at the back of the ramp 42, and the more deformable position under this solution would be located near the top of the ramp 42.

Referring to fig. 2 and 3, the specific connecting rod 4 can be connected with the housing 1 in such a way that the housing 1 is provided with a connecting seat 7 for mounting the connecting rod 4, the sliding rail 5 is a kidney-shaped hole 71 formed on the connecting seat 7, and the connecting rod 4 is slidably and reversibly connected with the kidney-shaped hole 71 through a projection 72 formed on the side surface of the connecting rod.

Waist type hole 71 and lug 72 cooperate the assembly, utilize the length in waist type hole 71 to come as slide rail 5, not only can form the biggest sliding range through the edge in waist type hole 71, can also utilize length and width cooperation lug 72 to form slip and pivoted and be connected, let connecting rod 4 can slide and upset on connecting seat 7, this scheme simple structure is convenient for implement.

Based on the principle and the structure, as shown in an embodiment 1 with reference to fig. 2, 3, 4 and 6, after the stroke of the key 3 is shortened based on the structure of the double connecting rods 4, the turning angle of the key 3 can be reduced to 1.5 degrees, and the wall thickness of the switch is less than or equal to 6mm. In detail with the state that the switch in fig. 6 is placed horizontally, the surface of the key 3 for pressing is in an inclined state, and the angle formed by the inclined state is a small swing angle of 1.5 °, as shown in fig. 2, 3, and 4, in this embodiment, the portion for mounting the key 3 is a plane, a connecting rib for cooperating with the key 3 is arranged on the plane, and the key 3 can be rotatably clamped on the connecting rib to provide a swing rotating shaft of the key 3. The key 3 is in an inclined state, so that the key has a state that one side of the key is exposed out of the wall more and one side is exposed out of the wall less, as shown in the figure, the side with more wall can be made to have a thickness of about 8mm, while the side with lower wall is 5.8mm and can be smaller than 6mm, and the ultra-thin design is realized.

Based on the above principle and structure, another embodiment 2 is shown in fig. 7, 8 and 9, and is a thin switch, which is detailed in a state that the switch is horizontally placed in fig. 6, and the surface of the key 3 is horizontally arranged, i.e. the key is horizontal at 0 ° when the switch is in a static position, and the thickness of the wall is about 7mm when the key 3 is horizontally arranged, unlike the inclined state in the former embodiment. After the switch state is switched, namely the switch static position II, the key 3 is in an inclined state, and the wall thickness on one side is 4.3mm; the other side is 9.5mm, and the inclination angle is 3.6 degrees. The part for installing the key 3 is provided with a bulge, the bulge part is provided with a connecting rib, the connecting rib is matched with the key 3 in a clamping way to swing, and the bulge can enable the key to be horizontally arranged.

The parts not described in embodiment 1 and embodiment 2 are implemented by using the above-described principle and structure, and both have the technical effects produced by the above-described principle and structure, and the partial structure of the switch is not described in the specification, and those skilled in the art can select and implement the switch based on the prior art and common general knowledge.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection not only limits in above-mentioned embodiment, and the fan belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims (10)

1. A key linkage structure comprises a shell, a spring seat used for switching an on-off state, and a key rotationally connected to the shell, wherein the key is linked with the spring seat to switch the on-off state of the spring seat; the spring seat is connected to the shell in a swinging manner; the key is characterized in that a connecting rod is arranged between the spring seat and the key; two ends of the spring seat along the swinging direction are provided with connecting rods; the shell is provided with a sliding rail for the connecting rod to slide towards or away from the spring seat, and the connecting rod is further connected to the sliding rail in a swinging manner; convex ribs for pressing and pushing the connecting rods to slide are arranged at the positions, corresponding to the two connecting rods, on the keys; the spring seat is kept in abutting joint with the connecting rods on the two sides in the swinging process; when the key is pressed down, the convex rib presses the connecting rod down to turn over the connecting rod and push the connecting rod to slide towards the spring seat so as to pry the spring seat to swing and switch the switch state; when the spring seat swings and presses the connecting rod downwards, the connecting rod is pushed to be far away from the spring seat to slide and jack up the corresponding convex rib.

2. The key linkage structure according to claim 1, wherein a groove is provided on the rib at a position corresponding to the link, and one end of the link corresponding to the rib is located in the groove; the key presses and pushes the connecting rod through the groove.

3. The key linkage structure according to claim 2, wherein the link has a protrusion at an end corresponding to the recess, and the protrusion is partially or entirely located in the recess.

4. The key linkage structure according to claim 2, wherein one end of the connecting rod corresponding to the spring seat is provided with a slope for prying the spring seat and keeping the spring seat in abutment.

5. The key linkage structure according to claim 4, wherein an arc transition is arranged on the slope, and the slope forms a supporting part for supporting the spring seat through the arc transition.

6. The key linkage structure according to claim 5, wherein a rounded corner is provided at a position of the spring seat corresponding to the arc transition, and the spring seat is abutted against the support part, the arc transition and the slope through the rounded corner.

7. A key linkage structure according to claim 4, 5 or 6, wherein a recess is provided at a position corresponding to the slope on the connecting rod, and the recess is used for providing a space for the slope to be pressed and deformed by the spring seat.

8. The key linkage structure according to claim 7, wherein the slope is formed by a protrusion of one end of the connecting rod corresponding to the spring seat.

9. A key linkage structure according to any one of claims 1 to 6, wherein a connecting seat for mounting a link is provided in the housing, the slide rail is a kidney-shaped hole provided in the connecting seat, and the link is slidably and turnably connected to the kidney-shaped hole by a projection provided on a side surface thereof.

10. A wall switch characterized in that a key linkage structure as claimed in any one of claims 1 to 9 is provided in the wall switch.

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