CN221149839U - Wall switch - Google Patents

Abstract

The utility model provides a wall switch, includes the shell be provided with the contact unit in the shell, the contact unit includes the contact subassembly, the contact subassembly is including mutually supporting moving contact and static contact, the moving contact is connected with operating unit, still be provided with buffer gear in the shell, buffer gear includes moving subassembly and fixed subassembly, moving subassembly and moving contact linkage, moving subassembly follow-up moving contact's divide-shut brake swing and fixed subassembly sliding fit who sets up, slow down the swing speed of moving contact by the frictional force between fixed subassembly and the moving subassembly. According to the utility model, the buffer mechanism is arranged, and the buffer mechanism is matched with the moving contact to slow down the switching-on/off swing speed of the moving contact, so that the impact sound between the moving contact and the fixed contact is reduced, and the noise in the use process is reduced.

Description

Wall switch

Technical Field

The utility model relates to the field of piezoelectric devices, in particular to a wall switch.

Background

A wall switch is a switching device mounted on a wall surface for making or breaking an electric circuit. Because the prior product is not provided with a buffer mechanism, when the swinging piece is operated to switch on or off a circuit, the movable contact and the static contact of the contact assembly of the wall switch inevitably generate larger impact sound when the contact assembly of the wall switch is mutually impacted during switching on, and the normal life of a user is interfered.

Disclosure of Invention

The utility model aims to overcome at least one defect in the prior art and provide the wall switch with simple structure and high reliability.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The utility model provides a wall switch, which comprises a shell, wherein a contact unit is arranged in the shell, the contact unit comprises a contact component, the contact component comprises a moving contact and a fixed contact which are matched with each other, the moving contact is connected with an operation component, a buffer mechanism is further arranged in the shell, the buffer mechanism comprises a moving component and a fixed component, the moving component is linked with the moving contact, the moving component is in sliding fit with the fixed component which is fixedly arranged along with the opening and closing of the moving contact, and the swinging speed of the moving contact is slowed down by friction force between the fixed component and the moving component.

Further, the movable assembly comprises a mounting seat and an elastic buffer piece arranged in the mounting seat, the elastic buffer piece is connected with the movable contact in a linkage manner, and the elastic buffer piece is elastically matched with the mounting seat to drive the mounting seat to be in sliding fit with the fixed assembly.

Further, the elastic buffer piece comprises a stirring piece and an elastic piece, the stirring piece is connected with the moving contact in a linkage manner, the elastic piece is connected between the stirring piece and the mounting seat, the moving contact drives the stirring piece to conduct linear motion on the mounting seat, and the elastic piece is elastically deformed to drive the mounting seat to be in sliding fit with the fixing assembly.

Further, stir the piece and be provided with stirring portion and at least one connecting portion, stirring portion and/or moving contact pass the lateral wall linkage of mount pad and connect, the central axis of connecting portion is parallel with stirring the removal orbit of piece, and the outside cover of every connecting portion is equipped with an elastic component, the both ends of elastic component are connected with stirring piece, mount pad respectively.

Further, at least one side of the mounting seat is provided with a through hole, the connecting part slides through the through hole, and the elastic piece is positioned between the through hole and the poking piece.

Further, the two ends of the elastic piece are respectively connected with the mounting seat and the stirring piece, an included angle is formed between the deformation direction of the elastic piece and the moving track of the stirring piece, or the deformation direction of the elastic piece is parallel to the moving track of the stirring piece.

Further, stir the piece and include the body, the relative both sides of body are provided with two convex connecting portions respectively, and two connecting portions coaxial line, and the outside cover of every connecting portion is equipped with a spring as the elastic component, one side of body has been seted up and has been used for stirring the breach groove of portion, stir the portion and be located between two connecting portions for be connected with the moving contact linkage.

Further, the fixed component comprises a damping piece, the moving component is in sliding fit with the damping piece, and the swinging speed of the moving contact is slowed down by friction force between the moving component and the damping piece.

Further, the fixed assembly further comprises a pressing plate, and the damping piece is assembled on the pressing plate in a limiting mode and is attached to the movable assembly.

Further, a clamping structure which is clamped with each other is arranged between the pressing plate and the shell, and the clamping structure comprises at least one pair of clamping buckles and clamping grooves which are matched with each other.

Further, a blocking plate is provided at least at one side edge of the pressing plate, and protrudes in a direction approaching the moving assembly.

Further, the contact unit further comprises a wiring assembly, the wiring assembly comprises two first wiring terminals and a second wiring terminal, the two first wiring terminals are opposite in interval, each first wiring terminal is connected with a fixed contact, the second wiring terminal is arranged in parallel with one of the first wiring terminals, and the second wiring terminal is connected with the moving contact.

Further, each static contact comprises a static contact plate, one end of the static contact plate is connected with one first wiring terminal, the other end of the static contact plate is bent and provided with a static contact, and the static contact intervals of the two static contacts are opposite;

The movable contact comprises a swinging plate, one end of the swinging plate is connected with a conductive plate, one end of the swinging plate is connected with the conductive plate in an included angle, and the other end of the swinging plate swings between two fixed contacts and is provided with a movable contact matched with the fixed contacts.

Further, the swing plate is provided with a driving part, and the driving part is positioned at one side of the movable contact and is used for being in linkage connection with the operation assembly.

Further, an accessory cavity and a mounting cavity which are parallel and communicated with each other are arranged in the shell, and the accessory cavity and the mounting cavity are respectively used for assembling the buffer mechanism and the contact unit.

Further, the shell includes base and lid, the space in the base is divided into accessory chamber and the installation cavity of mutual intercommunication, accessory chamber corresponds one side middle part in installation cavity, the both ends in installation cavity are equipped with the baffle, separate into two at least terminal chambers side by side with each end in installation cavity by the baffle, the lid closes in the installation cavity of base, buffer gear sets up in accessory intracavity, and fixed subassembly is fixed to be set up in accessory intracavity, and the removal subassembly removes in accessory intracavity and with fixed subassembly sliding fit.

According to the wall switch, the buffer mechanism is arranged, and the buffer mechanism is matched with the moving contact to slow down the switching-on and switching-off swinging speed of the moving contact, so that the impact sound between the moving contact and the fixed contact is reduced, and the noise in the using process is reduced.

In addition, the elastic buffer piece elastically drives the mounting seat to be in sliding fit with the fixing assembly, and the elastic buffer between the elastic buffer piece and the mounting seat acts on the moving contact, so that the moving speed of the moving contact can be further slowed down, noise generated when the elastic buffer piece is matched with the mounting seat can be avoided, and the effect of noise reduction is improved.

Particularly, the connecting part of the poking piece slides through the through hole arranged on the mounting seat, so that the functions of moving guide and limiting elasticity can be achieved, the poking piece can be prevented from colliding with the mounting seat to generate impact sound, and noise reduction is facilitated.

In addition, the clamp plate joint is used for spacing assembly damping piece on the shell, possesses the advantage of convenient dismouting and stable spacing damping piece, and especially, the clamp plate still is equipped with keeps off the backplate, does benefit to stable spacing damping piece, avoids taking place the displacement with the damping piece when moving the subassembly cooperation.

Drawings

FIG. 1 is an exploded view of a wall switch of the present utility model;

FIG. 2 is a cross-sectional view of the wall switch of the present utility model;

FIG. 3 is a cross-sectional view of the wall switch of the present utility model (when closed);

FIG. 4 is a cross-sectional view of the wall switch of the present utility model (when opened);

FIG. 5 is a schematic view of the structure of the contact unit and the operating assembly of the present utility model;

FIGS. 6-7 are schematic views of the structure of the contact unit, the operating assembly and the buffer mechanism of the present utility model;

FIG. 8 is a schematic view of the structure of the contact unit, the operating assembly and the buffer mechanism (with the fixing assembly removed) of the present utility model;

FIG. 9 is a schematic view of a buffer mechanism according to the present utility model;

FIGS. 10-11 are schematic illustrations of the structure of the contact assembly and the wiring assembly of the present utility model (during closing);

FIG. 12 is a schematic view of the structure of the oscillating member of the present utility model;

FIG. 13 is a schematic view of the structure of the platen of the present utility model;

FIG. 14 is a schematic view of the structure of a damping member according to the present utility model;

FIG. 15 is a schematic view of the structure of the mounting base of the present utility model;

FIG. 16 is a schematic view of a toggle member according to the present utility model;

FIG. 17 is a schematic view of the structure of the base of the present utility model;

reference numerals:

1-shell, 101-installation cavity, 102-accessory cavity, 11-base, 12-cover, 21-static contact, 211-static contact plate, 212-static contact, 22-moving contact, 221-swing plate, 222-moving contact, 223-driving part, 31-first wiring terminal, 32-second wiring terminal, 321-conducting plate, 4-operating component, 41-operating part, 42-driving spring, 5-buffer mechanism, 511-installation seat, 5110-inner cavity, 5111-through hole, 5112-matching surface, 512-toggle part, 5120-body, 5121-connecting part, 5122-toggle part, 513-elastic part, 521-pressing plate 521, 5211-buckle 5211, 5212-baffle plate, 522-damping part.

Detailed Description

Embodiments of the wall switch of the present utility model are further described below with reference to the examples shown in the drawings. The wall switch of the present utility model is not limited to the description of the following embodiments.

As shown in fig. 1, the wall switch comprises a housing 1, a contact unit and an operation assembly 4 are arranged in the housing 1, the contact unit comprises a wiring assembly and a contact assembly, the wiring assembly comprises a first wiring terminal 31 and a second wiring terminal 32 for external wiring, the contact assembly comprises a fixed contact 21 and a moving contact 22, the fixed contact 21 is opposite to the moving contact 22 at intervals, the fixed contact 21 is electrically connected with the first wiring terminal 31, the moving contact 22 is electrically connected with the second wiring terminal 32, the operation assembly 4 is in linkage connection with the moving contact 22 and is used for driving the moving contact 22 to be matched with the fixed contact 21 to realize switching on and off, specifically, the operation assembly 4 comprises an operation member 41 and a driving spring 42 connected with the operation member 41, two ends of the driving spring 42 are respectively matched with the operation member 41 and a driving part 224 of the moving contact 22, the operation member 41 is swung to drive the moving contact 22 to swing, and the moving contact 22 is matched with the fixed contact 21 to realize switching on and off actions.

The improvement point of the application is that a buffer mechanism 5 is also arranged in the shell 1, the buffer mechanism 5 comprises a moving component and a fixed component, the moving component is linked with the moving contact 22, the moving component is in sliding fit with the fixed component which is fixedly arranged along with the switching-on/off swing of the moving contact 22, and the swinging speed of the moving contact 22 is slowed down by the friction force between the fixed component and the moving component. Thus, by arranging the buffer mechanism 5, the buffer mechanism 5 is matched with the moving contact 22 to slow down the switching-on/off swinging speed of the moving contact 22, so that the impact sound between the moving contact 22 and the fixed contact 21 is reduced, and the noise in the using process is reduced.

Specifically, as shown in fig. 1, 2 and 7-9, in this embodiment, the moving assembly includes a mounting seat 511 and an elastic buffer member disposed in the mounting seat 511, the elastic buffer member is connected with the moving contact 22 in a linkage manner, and the elastic buffer member is elastically matched with the mounting seat 511 to drive the mounting seat 511 to be slidably matched with the fixed assembly, so that the moving speed of the moving contact 22 can be further slowed down, noise generated when the elastic buffer member is matched with the mounting seat 511 can be avoided, and the noise reducing effect is improved. The elastic buffer member comprises a stirring member 512 and an elastic member 513, the stirring member 512 is connected with the moving contact 22 in a linkage manner, the elastic member 513 is connected between the stirring member 512 and the mounting seat 511, and when the moving contact 22 drives the stirring member 512 to move in an inner cavity 5110 of the mounting seat 511, the elastic member 513 is elastically deformed and drives the mounting seat 511 to move; of course, the elastic buffer may be an integral structure, for example, the elastic buffer has an elastic portion that elastically abuts against the mounting base 511, and when the elastic buffer is driven by the passive contact 22, the elastic portion is elastically deformed before driving the mounting base 511.

As shown in fig. 1, 5, 7, 9, 13 and 14, the fixed component comprises a pressing plate 521 and a damping member 522 which is assembled on the pressing plate 521 in a limiting manner, the movable component is in sliding fit with the damping member 522, and the swinging speed of the movable contact 22 is slowed down by the friction force between the movable component and the damping member 522, preferably, a clamping structure which is clamped with each other is arranged between the pressing plate 521 and the housing 1, so that the pressing plate 521 is convenient to assemble and disassemble.

A specific embodiment of a wall switch is provided in connection with fig. 1-17.

As shown in fig. 1, the wall switch includes a housing 1, a buffer mechanism 5 disposed in the housing 1, a contact unit and an operation assembly 4 for driving the contact unit, wherein the buffer mechanism 5 includes a fixing assembly and a moving assembly, the contact unit includes a wiring assembly and a contact mechanism connected with the wiring assembly, the contact assembly includes a moving contact 22 and a fixed contact 21 which are mutually matched, wherein the fixed contact 21 is fixedly disposed in the housing 1, the moving contact 22 is respectively connected with the moving assembly and the operation assembly 4 in a linkage manner, when the operation assembly 4 drives the moving contact 22 to move, the moving assembly is driven to slide and match with the fixing assembly, and the swinging speed of the moving contact 22 is slowed down by the friction force between the moving assembly and the fixing assembly, wherein the moving assembly includes a mounting seat 511 and an elastic buffer member disposed in the mounting seat 511, and the elastic buffer member between the mounting seat 511 and the elastic buffer member acts on the moving contact 22, so as to reduce the impact sound between the moving contact 22 and the fixed contact 21, thereby facilitating the reduction of noise in the use.

In this embodiment, the housing 1 includes a base 11 and a cover 12, wherein a space in the base 11 is divided into an accessory cavity 102 and a mounting cavity 101 which are communicated with each other, wherein the accessory cavity 102 is smaller in size than the mounting cavity 101 and corresponds to a middle portion of one side of the mounting cavity 101, two ends of the mounting cavity 101 are provided with partition plates, each end of the mounting cavity 101 is divided into at least two parallel terminal cavities by the partition plates, in this embodiment, two ends of the mounting cavity 101 are respectively provided with one partition plate, so that one end of the mounting cavity 101 is divided into two parallel terminal cavities, and the cover 12 covers the mounting cavity 101 of the base 11. The operating assembly 4 is driven by a panel mounted on the cover 12 or provided on the cover 12.

As shown in fig. 2 and 9, the buffer mechanism 5 is disposed in the accessory cavity 102, the fixed component is fixedly disposed in the accessory cavity 102, the movable component moves in the accessory cavity 102 and is slidably matched with the fixed component, preferably, a fastening structure is disposed between the fixed component and the accessory cavity 102 and is used for fastening the fixed component in the accessory cavity 102, the fastening structure includes at least a pair of fastening buckles 5211 and fastening slots which are mutually matched, and the buffer mechanism has the advantage of convenient assembly and disassembly.

Specifically, as shown in fig. 7, 9, 13 and 14, the fixing assembly includes a pressing plate 521 and a damping member 522 that is assembled on the pressing plate 521 in a limiting manner, the pressing plate 521 is in a rectangular plate structure as a whole, its outer diameter is smaller than or equal to the inner diameter of the accessory cavity 102, the damping member 522 is attached to one side surface of the pressing plate 521, in fig. 9, two ends of the pressing plate 521 are respectively provided with a buckle 5211 in a protruding manner, and correspondingly, a clamping groove matched with the buckle 5211 is provided on the side wall in the accessory cavity 102; a guard plate 5212 is disposed at an edge of one side of the pressing plate 521, the guard plate 5212 protrudes in a direction approaching to the moving assembly, the damping member 522 and the guard plate 5212 are located at the same side of the pressing plate 521, a notch for avoiding the guard plate 5212 is formed at an edge of the damping member 522, and of course, the number of the guard plates 5212 is not limited to one, and more guard plates can be disposed according to actual needs. In addition, the damping member 522 of the present embodiment is made of a flexible material, for example, the damping member 522 is made of foam or silica gel, and the pressing plate 521 may be omitted, or the damping member 522 may be directly fixed in the accessory cavity 102.

As shown in fig. 8 and 9, the moving assembly includes a mounting seat 511 and an elastic buffer member disposed in the mounting seat 511, the elastic buffer member is connected with the moving contact 22 in a linkage manner, the elastic buffer member is elastically matched with the mounting seat 511 to drive the mounting seat 511 to move in the accessory cavity 102, and when the moving assembly and the fixing assembly are assembled in the accessory cavity 102 together, the pressing plate 521, the damping member 522 and the mounting seat 511 are sequentially stacked, and the mounting seat 511 is slidably matched with the damping member 522 under the driving of the elastic buffer assembly.

The elastic buffer member comprises a stirring member 512 and an elastic member 513, the stirring member 512 is connected with the moving contact 22 in a linkage manner, the stirring member 512 can move in the mounting seat 511 along with the swinging of the moving contact 22, preferably, the stirring member 512 moves linearly in the mounting seat 511, the elastic member 513 is connected between the stirring member 512 and the mounting seat 511, the elastic member 513 drives the mounting seat 511 to move in the elastic deformation process along with the movement of the stirring member 512 in the mounting seat 511, the elastic member 513 is preferably a spring, and when the central axis of the spring is parallel to the movement direction of the stirring member 512, the two ends of the spring are respectively abutted against the mounting seat 511 and the stirring member 512; when the elastic deformation direction of the spring and the moving track of the poking member 512 are included angles, the two ends of the elastic member 513 are respectively connected with the poking member 512 and the mounting seat 511, so that the matching stability of the elastic member 513 and the poking member 512 is ensured, compared with the situation that the elastic member 513 and the poking member 512 are directly driven by the poking member 512 to move, the moving speed of the moving contact 22 is further slowed down, and meanwhile, the poking member 512 and the mounting seat 511 can not generate collision noise.

A specific construction of the first moving assembly is provided in connection with fig. 8, 9, 15 and 16.

As shown in fig. 9 and 15, the moving assembly includes a mounting seat 511, a stirring member 512 and two elastic members 513, in fig. 15, the mounting seat 511 is in a hollow cuboid structure, a hollow portion inside the mounting seat 511 is used as an inner cavity 5110 for assembling the stirring member 512 and the two elastic members 513, one side wall of the mounting seat 511 is used as a matching surface 5112 to be in sliding fit with a damping member 522, a connecting groove is formed in one side of the mounting seat 511 adjacent to the matching surface 5112, the stirring member 512 and/or the moving contact 22 penetrate through the connecting groove to be in linkage connection, preferably, as shown in fig. 15, two side walls adjacent to the mounting seat 511 are respectively provided with an opening, the two openings are communicated to enable two sides of the mounting seat 511 to be open, a plane where one opening is located is used as the matching surface 5112, and the other opening is used as the connecting groove; preferably, two through holes 5111 are formed at opposite ends of the mounting base 511, and the two through holes 5111 are coaxial.

As shown in fig. 9 and 16, the stirring member 512 includes a body 5120, the body 5120 is in a rectangular block structure, at least one connecting portion 5121 is provided on the body 5120, the central axis of the connecting portion 5121 is parallel to the moving track of the stirring member 512, as shown in fig. 15, two protruding connecting portions 5121 are respectively provided on opposite sides of the body 5120, each connecting portion 5121 is integrally cylindrical, the two connecting portions 5121 are coaxial, each connecting portion 5121 correspondingly slides through one through hole 5111, the connecting portions 5121 are matched with the through holes 5111, not only can play the roles of moving guiding and limiting the elastic member 513, but also can avoid the stirring member 512 from colliding with the mounting seat 511, thereby facilitating noise reduction, a spring serving as the elastic member 513 is sleeved on the outer side of each connecting portion 5121, a notch serving as a stirring portion 5122 is provided on one side edge of the body 5120, the stirring portion 5122 is located between the two connecting portions 5121 and is used for connecting with the moving contact 5122, in this embodiment, the two connecting portions 5121 and the body 5122 are located on opposite sides of the stirring member 512, and the whole body 5120 is approximately in a shape, thereby facilitating the volume reduction of the whole structure 512. Of course, each toggle portion 5122 may be located at a middle portion of one side of the body 5120, and the toggle member 512 has an overall cross-shaped structure.

When the toggle member 512 is assembled in the inner cavity 5110 of the mounting seat 511, one end of the body 5120 provided with the toggle portion 5122 passes out of the mounting seat 511 from the connecting groove, the width of the body 5120 is smaller than the opening width of the connecting groove, each connecting portion 5121 correspondingly slides through one through hole 5111, one end of the elastic member 513 sleeved on the connecting portion 5121 is abutted with the body 5120, the other end of the elastic member is abutted with the side wall of the mounting seat 511 provided with the through hole 5111, and when the moving contact 22 drives the toggle member 512 to move, the toggle member 512 linearly moves in a direction parallel to the axis of the through hole 5111, and at the moment, one end of the body 5120 provided with the toggle portion 5122 moves in the connecting groove.

As a second moving assembly structure, the moving assembly includes a mounting seat 511, a stirring member 512 and an elastic member 513, where the mounting seat 511 and the stirring member 512 have the same structure as the moving assembly structure described above, the elastic member 513 is not sleeved on the connecting portion 5121, two ends of the elastic member 513 are connected to the stirring member 512 and the inner cavity 5110, preferably, the elastic member 513 is located on a side of the stirring member 512 opposite to the connecting slot, when the elastic member 513 is in the initial position, the central axis of the elastic member 513 forms an angle with the axis of the through hole 5111, preferably, the angle is 90 °, and when the stirring member 512 is driven by the movable contact 22 to perform linear motion along the axis of the through hole 5111, the elastic member 513 is elongated to one side, and in the process of deformation of the elastic member 513, the mounting seat 511 is driven to slidably cooperate with the damping member 522, so as to slow down the moving speed of the movable contact 22.

As a third moving assembly structure, the moving assembly includes a mounting seat 511, a stirring member 512 and an elastic member 513, where the mounting seat 511 and the stirring member 512 are similar to the moving assembly structure described above, but no through hole 5111 is formed on the mounting seat 511, and correspondingly, the stirring member 512 is no longer provided with a connecting portion 5121, the elastic member 513 is disposed between the body 5120 of the stirring member 512 and the mounting seat 511, and when the elastic member 513 is in an original state, a central axis of the elastic member 513 may be parallel to a moving track of the stirring member 512, at this time, the elastic members 513 are preferably symmetrically disposed at opposite ends of the stirring member 512, or a central axis of the elastic member 513 and a moving track of the stirring member 512 are disposed at an included angle, at this time, the elastic member 513 may be one, two or more than two, and the elastic member 513 is preferably disposed at a side of the stirring member 512 opposite to the connecting groove.

As shown in fig. 2 to 8, a contact unit and an operating assembly 4 are provided in the installation cavity 101, and the contact unit and the operating assembly 4 may be of a conventional art. In this embodiment, the contact unit includes a wiring assembly and a contact assembly, where the wiring assembly includes two first wiring terminals 31 and one second wiring terminal 32, where the two first wiring terminals 31 are disposed at two ends of the mounting cavity 101 at intervals, each first wiring terminal 31 is correspondingly assembled in one terminal cavity, the second wiring terminal 32 is disposed in the other terminal cavity and is juxtaposed with the one first wiring terminal 31 at the same end, and in fig. 7 and 8, the two first wiring terminals 31 are located between the second wiring terminal 32 and the buffer mechanism 5.

The contact assembly comprises a fixed contact 21 and a movable contact 22, in this embodiment, each first connecting terminal 31 is connected with one fixed contact 21, and the movable contact 22 is connected with a second connecting terminal 32, preferably, the second connecting terminals 32 are electrically connected through a conductive assembly, in this embodiment, the conductive assembly comprises a conductive plate 321.

As shown in fig. 7, 8, 10 and 11, each stationary contact 21 includes a stationary contact plate 211, one end of the stationary contact plate 211 is connected with one first connection terminal 31, the other end of the stationary contact plate 211 is bent and provided with a stationary contact 212, in the figure, the stationary contact plate 211 is integrally in a U-shape, one ends of the two stationary contact plates 211 are opposite at intervals, and the stationary contacts 212 of the two stationary contacts 21 are opposite at intervals; as shown in fig. 7, 8 and 10-12, the movable contact 22 includes a swinging plate 221 and two movable contacts 222, one end of the swinging plate 221 is connected with the second connection terminal 32 through a conductive plate 321, both sides of the other end of the swinging plate 221 are provided with the movable contacts 222, in fig. 10-12, the conductive plate 321 is an L-shaped flat plate, a first end of the conductive plate 321 is connected with the second connection terminal 32, a second end of the conductive plate 321 extends below the two fixed contacts 21, one end of the swinging plate 221 is connected with the second end of the conductive plate 321, that is, one end of the swinging plate 221 is connected with the second end of the conductive plate 321 at an included angle, the other end of the swinging plate 221 extends between the two fixed contacts 21, and the other end of the swinging plate 221 swings between the two fixed contacts 212 and is provided with the movable contacts 222 on both sides thereof for matching with the two fixed contacts 212.

In this embodiment, the swinging plate 221 is respectively connected with the buffer mechanism 5 and the operation component 4 in a linkage way, as shown in fig. 12, the swinging plate 221 is in a rectangular plate structure as a whole, one corner of the swinging plate 221 extends outwards to form an extension part, one side edge of the swinging plate 221 is in a step shape, two movable contacts 222 are respectively arranged on the front and back sides of the extension part, a boss structure is convexly arranged on the step surface adjacent to the contact part, and the boss structure is used as a driving part 223 to be connected with the operation component 4 in a linkage way; when the contact assembly is assembled in the mounting cavity 101, one side of the swinging plate 221 is inserted into the poking portion 5122 of the poking member 512, and in this embodiment, the side provided with the extension portion is inserted into the poking portion 5122.

As shown in fig. 1-7, the operation assembly 4 and the buffer mechanism 5 are respectively located at two sides of the first connection terminal 31, the operation assembly 4 and the second connection terminal 32 are arranged side by side, the operation assembly 4 comprises an operation member 41 and a driving spring 42, two ends of the driving spring 42 are respectively connected with the operation member 41 and the driving part 223, and the swinging member can be driven to swing between the two fixed contacts 21 through the operation member 41, so that the movable contact 222 is respectively contacted with or separated from the two fixed contacts 212.

It should be noted that, in the description of the present utility model, the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate an orientation or a positional relationship based on that shown in the drawings or an orientation or a positional relationship conventionally put in use, and are merely for convenience of description, and do not indicate that the apparatus or element to be referred to must have a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating relative importance.

The foregoing is a further detailed description of the utility model in connection with the preferred embodiments, and it is not intended that the utility model be limited to the specific embodiments described. It will be apparent to those skilled in the art that several simple deductions or substitutions may be made without departing from the spirit of the utility model, and these should be considered to be within the scope of the utility model.

Claims (16)

1. Wall switch, including shell (1) be provided with the contact unit in shell (1), the contact unit includes the contact subassembly, the contact subassembly is including moving contact (22) and fixed contact (21) that mutually support, moving contact (22) are connected with operating unit (4), its characterized in that: the shell (1) is internally provided with a buffer mechanism (5), the buffer mechanism (5) comprises a moving assembly and a fixed assembly, the moving assembly is linked with the moving contact (22), the moving assembly is in sliding fit with the fixed assembly which is fixedly arranged with the opening and closing swing of the moving contact (22), and the swing speed of the moving contact (22) is slowed down by the friction force between the fixed assembly and the moving assembly.

2. A wall switch as claimed in claim 1, wherein: the movable assembly comprises a mounting seat (511) and an elastic buffer piece arranged in the mounting seat (511), the elastic buffer piece is connected with the movable contact (22) in a linkage mode, and the elastic buffer piece is elastically matched with the mounting seat (511) to drive the mounting seat (511) to be in sliding fit with the fixed assembly.

3. A wall switch as claimed in claim 2, wherein: the elastic buffer piece comprises a stirring piece (512) and an elastic piece (513), the stirring piece (512) is connected with the moving contact (22) in a linkage mode, the elastic piece (513) is connected between the stirring piece (512) and the mounting seat (511), the moving contact (22) drives the stirring piece (512) to conduct linear motion on the mounting seat (511), and the elastic piece (513) is elastically deformed to drive the mounting seat (511) to be in sliding fit with the fixing assembly.

4. A wall switch according to claim 3, wherein: the stirring piece (512) is provided with a stirring part (5122) and at least one connecting part (5121), the stirring part (5122) and/or the moving contact (22) penetrate through the side wall linkage of the mounting seat (511) and are connected, the central axis of the connecting part (5121) is parallel to the moving track of the stirring piece (512), an elastic piece (513) is sleeved on the outer side of each connecting part (5121), and two ends of each elastic piece (513) are respectively connected with the stirring piece (512) and the mounting seat (511).

5. The wall switch of claim 4, wherein: at least one side of the mounting seat (511) is provided with a through hole (5111), the connecting part (5121) penetrates through the through hole (5111) in a sliding mode, and the elastic piece (513) is located between the through hole (5111) and the poking piece (512).

6. A wall switch according to claim 3, wherein: the two ends of the elastic piece (513) are respectively connected with the mounting seat (511) and the stirring piece (512), an included angle is formed between the deformation direction of the elastic piece (513) and the moving track of the stirring piece (512), or the deformation direction of the elastic piece (513) is parallel to the moving track of the stirring piece (512).

7. A wall switch according to any one of claims 3 to 6, wherein: the toggle member (512) comprises a body (5120), two convex connecting portions (5121) are respectively arranged on two opposite sides of the body (5120), the two connecting portions (5121) are coaxial, a spring serving as an elastic member (513) is sleeved on the outer side of each connecting portion (5121), a notch groove serving as a toggle portion (5122) is formed in one side of the body (5120), and the toggle portion (5122) is located between the two connecting portions (5121) and is used for being connected with a moving contact (22) in a linkage mode.

8. A wall switch as claimed in claim 1, wherein: the fixed assembly comprises a damping piece (522), the moving assembly is in sliding fit with the damping piece (522), and the swinging speed of the moving contact (22) is slowed down by friction force between the moving assembly and the damping piece (522).

9. The wall switch of claim 8, wherein: the fixed assembly further comprises a pressing plate (521), and the damping piece (522) is assembled on the pressing plate (521) in a limiting mode and is attached to the movable assembly.

10. The wall switch of claim 9, wherein: a clamping structure which is clamped with each other is arranged between the pressing plate (521) and the shell (1), and the clamping structure comprises at least one pair of clamping buckles (5211) and clamping grooves which are matched with each other.

11. The wall switch of claim 9, wherein: at least one side edge of the pressing plate (521) is provided with a baffle plate (5212), and the baffle plate (5212) protrudes towards the direction of the moving assembly.

12. A wall switch as claimed in claim 1, wherein: the contact unit further comprises a wiring assembly, the wiring assembly comprises two first wiring terminals and a second wiring terminal (32), the two first wiring terminals (31) are opposite in interval, each first wiring terminal (31) is connected with a fixed contact (21) respectively, the second wiring terminal (32) is arranged in parallel with one of the first wiring terminals (31), and the second wiring terminal (32) is connected with a movable contact (22).

13. The wall switch of claim 12, wherein: each static contact (21) comprises a static contact plate (211), one end of the static contact plate (211) is connected with one first wiring terminal (31), the other end of the static contact plate (211) is bent and provided with a static contact (212), and the static contacts (212) of the two static contacts (21) are opposite at intervals;

The movable contact (22) comprises a swinging plate (221), one end of the swinging plate (221) is connected with a conductive plate (321), one end of the swinging plate (221) is connected with the conductive plate (321) in an included angle, and the other end of the swinging plate (221) swings between two fixed contacts (212) and is provided with a movable contact (222) matched with the fixed contacts (212).

14. The wall switch of claim 13, wherein: the swing plate (221) is provided with a driving part (223), and the driving part (223) is positioned at one side of the movable contact (222) and is used for being in linkage connection with the operation component (4).

15. A wall switch as claimed in claim 1, wherein: an accessory cavity (102) and a mounting cavity (101) which are parallel and mutually communicated are arranged in the shell (1), and the accessory cavity (102) and the mounting cavity (101) are respectively used for assembling the buffer mechanism (5) and the contact unit.

16. A wall switch as claimed in claim 1, wherein: the shell (1) comprises a base (11) and a cover body (12), a space in the base (11) is divided into an accessory cavity (102) and an installation cavity (101) which are communicated with each other, the accessory cavity (102) corresponds to one side middle part of the installation cavity (101), two ends of the installation cavity (101) are provided with partition plates, each end of the installation cavity (101) is divided into at least two parallel terminal cavities by the partition plates, the cover body (12) covers the installation cavity (101) of the base (11), the buffer mechanism (5) is arranged in the accessory cavity (102), the fixing component is fixedly arranged in the accessory cavity (102), and the moving component moves in the accessory cavity (102) and is in sliding fit with the fixing component.