CN201689809U

CN201689809U - Panel switch structure

Info

Publication number: CN201689809U
Application number: CN201020210004XU
Authority: CN
Inventors: 余正明; 陈红; 饶品旺
Original assignee: HUIZHOU TRANTEK ELECTRONICS CO Ltd
Current assignee: HUIZHOU TRANTEK ELECTRONICS CO Ltd; LG Display Co Ltd
Priority date: 2009-09-01
Filing date: 2010-05-14
Publication date: 2010-12-29
Anticipated expiration: 2020-05-14

Abstract

The utility model discloses a panel switch button linkage structure, comprising a mounting upper cover, an elastic part nested under the mounting upper cover, a spring is nested on the elastic part, the lower end of the elastic part is connected with a changing-over strip, the upper end of the mounting upper cover is connected with a button in matching way, protective plates are arranged at two sides below the mounting upper cover, corresponding to the mounting position of the elastic part, mounting holes are arranged on the protective plates, projections are arranged at two sides of the changing-over strip along the width direction, and the projections are clamped in the mounting holes on the protective plates; in the linkage structure of the utility model, the changing-over strip is limited by arranging the changing-over strip on the mounting upper cover for switching the mounting contact point, when the current of the circuit is higher or is overloaded and the power terminal and the transferring strip contact point are adhered to cause failure of the spring, an operator drives the changing-over strip to act on through the button by virtue of the high power of the protective plates, the circuit is switched off, so as to protect the circuit and the switch; in the practical application of the panel switch button linkage structure, an overload protective device is additionally arranged, and the usage is safer and more reliable.

Description

The panel-switch structure

Technical field

The utility model relates to a kind of panel-switch, is specifically related to the linkage structure at panel-switch button position.

Background technology

With reference to Fig. 8, in the prior art panel-switch generally by base 1, be fastened on panel on the base, be embedded in button 3 on the panel, be installed in the base to cooperate and realize that link gear and power input terminal 46, power output terminal 45 that switch contact switches form with button.Wherein link gear comprises installation loam cake 41, pellet shot from a slingshot 42, transfer strip 43, socket spring 44 on the pellet shot from a slingshot.Its operation principle is: when initial, transfer strip 43 is connected with dead end with power input terminal 46, and when external force was pressed button 3, button 3 drove transfer strip 43 by link gear and swings to power output terminal 45 on one side, by the outside appliances power source of switch connection, make electrical work like this.At this moment deformation takes place in spring 44, when wanting deenergization, oppositely presses button, and link gear is flapped toward another side by the deformation power drive transfer strip of spring 44.There are some shortcomings in this switch: when button with angle that loam cake rotates around rotating shaft is installed when less than normal, the pellet shot from a slingshot head can not be crossed the transfer strip and the contacted strong point of intermediate terminal, and switch can not be changed; When operating current in the circuit transships than big or generation, power output terminal 45 will produce the adhesion effect with the contact point of transfer strip 43, if the dynamics of adhesion surpasses the elastic force of spring 44, link gear will lose efficacy, switch can't disconnect, and make troubles and will lose to the user.If when overload takes place, do not have the corresponding protection measure in the circuit, also easy breaking out of fire brings threat for people's lives and properties.

The utility model content

It is little that the problem that the utility model need solve provides a kind of button indexing, strong, safe and reliable, the well behaved panel-switch button of bearing capacity linkage structure.

For addressing the above problem, the technical scheme that the utility model is taked is: a kind of panel-switch structure, comprise the pellet shot from a slingshot of loam cake being installed, being socketed on installation loam cake below, be socketed with spring on the pellet shot from a slingshot, the pellet shot from a slingshot lower end connects transfer strip, and described installing covers end and be connected with button, the corresponding both sides, position that pellet shot from a slingshot is installed, loam cake below are installed are provided with backplate, open installing hole on the backplate, transfer strip Width both sides are provided with projection, and described projection is connected in the installing hole on the backplate.

Preferred scheme is: further comprise overcurrent protective device; described overcurrent protective device input connects with power input terminal, output connects with transfer strip, and described overcurrent protective device, power input terminal, power output terminal, transfer strip all are installed in the base.

Described overcurrent protective device adopts has the bimetal leaf of meeting the effect of thermal deformation kick; the one end is fixed on the power input terminal; the other end is established moving contact, and fixed contact is located at the overcurrent protective device output, and this output electrically connects as the carrying support and the transfer strip of transfer strip simultaneously.

With respect to prior art, the beneficial effects of the utility model are: in the structure of described panel-switch by backplate be set be used to install the transfer strip that usefulness is switched in the contact installing to cover, transfer strip is played position-limiting action, big or when power supply terminal and transfer strip contact point produce sticking connection and cause the switch transition inefficacy when overload takes place when circuital current, the operator can be by the big strength drive transfer strip action of button by backplate, open-circuit line, thereby to circuit and the start protection effect of switch own; In like manner, the structure of the moving transfer strip of cover tape is installed in this employing, and the angle that button rotation is very little with regard to the link gear below driving conversion has taken place, and makes the switch transition action rapider reliable.Structure described in the utility model adds overload protection arrangement in actual applications, uses more safe and reliable.

Description of drawings

Fig. 1 is that the utility model embodiment one structure is formed schematic diagram;

Fig. 2 is an assembling embodiment illustrated in fig. 1 back schematic diagram;

Fig. 3 is described transfer strip enlarged diagram;

Fig. 4 is another angle schematic diagram of described installation loam cake;

Fig. 5 is that the utility model embodiment two structures are formed schematic diagram;

Fig. 6 is embodiment two overall structure schematic diagrames;

Fig. 7 is a mounting structure schematic diagram in the utility model embodiment three bases;

Fig. 8 is a panel-switch structural representation in the prior art;

Fig. 9 is that the utility model embodiment three structures are formed schematic diagram.

Embodiment

The utility model is described in further detail below in conjunction with drawings and Examples.

Shown in Fig. 1,3,4, described panel-switch pier 1, be fastened on panel on the base, be embedded in button 3 on the panel, be installed on the link gear that cooperates the switching of realization switch contact in the base with button and power input terminal 46, power output terminal 45.Improvement of the present utility model just is to realize the link gear of switch contact switching, and this mechanism comprises the pellet shot from a slingshot 42 of loam cake 41 being installed, being socketed on installation loam cake 41 belows, is socketed with spring 44 on the pellet shot from a slingshot, and the pellet shot from a slingshot lower end props up transfer strip 43 centre positions; Described installation loam cake 41 upper ends and button 3 are connected, the corresponding both sides, position that pellet shot from a slingshot 42 is installed, loam cake 41 belows are installed are provided with backplate 411, open installing hole 412 on the backplate 411, transfer strip 43 Width both sides are provided with projection 431, and this projection is connected in the installing hole 41 on the backplate 411.The spring 44 of socket, transfer strip 43 and input and

output terminal

45,46 on above-mentioned installation loam cake 41, pellet shot from a slingshot 42, the pellet shot from a slingshot, transfer strip carrying support 472 together is installed in the base 1, base 1 cooperates the outstanding axle of installing on the loam cake 41 414 to install by the hole on it 12, button 3 is by installing loam cake 41 snappings on it, after its assembling as shown in Figure 2.As Fig. 3, the loam cake bottom is installed establishes hole 413, be installed in the hole 413 behind the pellet shot from a slingshot socket spring.

As Fig. 5, for the utility model embodiment two structures are formed schematic diagram.This embodiment and difference shown in Figure 2 are to have increased an installed part 5, and different in the version that loam cake 41 is installed and the enforcement one.It is succinct relatively that loam cake 41 structures are installed in the present embodiment, establishes the groove of two concave side wall on it, and two overhead structures on this groove and the button 3 are connected; The installation shaft 414 of loam cake 41 is installed cooperates connection with hole 52 on the installed part 5, the hole 51 of installed part 5 belows cooperates connection with boss 11 on the base 1, forms an integral body, as shown in Figure 6.

In fact the utility model design can be used in the panel-switch that any prior art has analog structure, the switch more than two or two for example, the perhaps concrete different switches that loam cakes or understructure are installed.

Its operation principle of the present utility model is: when initial, transfer strip 43 is connected with dead end with power input terminal 46, when external force is pressed button 3, button 3 is pushed transfer strip 43 by installation loam cake 41 drive pellets shot from a slingshot 42 and is swung to power output terminal 45 on one side, by the outside appliances power source of switch connection, make electrical work like this.At this moment deformation take place in spring 44, when wanting deenergization, oppositely press button, are flapped toward another side by the deformation power drive transfer strip 43 of spring 44.When switch requires button and the indexing of loam cake is installed littler when sensitiveer, drive the transfer strip action by backplate, switching motion can be realized easily; When operating current in the circuit transships than big or generation; power output terminal 45 produces the adhesion effect with the contact point of transfer strip 43; when causing spring failure; the operator can be by the big strength drive transfer strip action of button by backplate; open-circuit line, thereby to circuit and the start protection effect of switch own.Structure described in the utility model adds overload protection arrangement in actual applications, uses more safe and reliable.

As shown in Figure 9, also be the preferred embodiment structure chart for the utility model embodiment three.Add overcurrent protective device 47, i.e. bimetal leaf among this embodiment.Bimetal leaf 47 1 ends are fixed on the power input terminal 46, and the other end is established moving contact 471, and fixed contact is located on the overcurrent protective device output 472, and this output electrically connects as the carrying support and the transfer strip 43 of transfer strip 43 simultaneously.Described overcurrent protective device 47, power input terminal 46, power output terminal 45, transfer strip 43 all are installed in the base 1, as shown in Figure 7.

The remainder structure is identical with the described embodiment of Fig. 1, and the operation principle of bimetal leaf also is that those skilled in the art understand thoroughly, and is not giving unnecessary details at this.

In sum, above embodiment only is the preferable embodiment of the utility model, not breaking away under the utility model design prerequisite its any minor variations of doing and being equal to replacement, all should belong to protection range of the present utility model.

Claims

1. panel-switch structure, comprise the pellet shot from a slingshot (42) of loam cake (41) being installed, being socketed on installation loam cake (41) below, be socketed with spring (44) on the pellet shot from a slingshot, the pellet shot from a slingshot lower end connects transfer strip (43), it is characterized in that: described installation loam cake (41) upper end is connected with button (3), the corresponding both sides, position that pellet shot from a slingshot (42) is installed, loam cake (41) below are installed are provided with backplate (411), open installing hole (412) on the backplate (411), transfer strip (43) Width both sides are provided with projection (431), and described projection is connected in the installing hole (412) on the backplate (411).

2. panel-switch structure according to claim 1; it is characterized in that: further comprise overcurrent protective device (47); described overcurrent protective device input connects with power input terminal (46), output connects with transfer strip (43), and described overcurrent protective device (47), power input terminal (46), power output terminal (45), transfer strip (43) all are installed in the base (1).

3. panel-switch structure according to claim 2; it is characterized in that: described overcurrent protective device (47) adopts has the bimetal leaf of meeting the effect of thermal deformation kick; the one end is fixed on the power input terminal (46); the other end is established moving contact; fixed contact is located at the overcurrent protective device output, and this output electrically connects as the carrying support and the transfer strip of transfer strip (43) simultaneously.