CN201667302U - Light-touch switch capable of being equipped with a lamp - Google Patents

Abstract

The utility model discloses a light-touch switch capable of being equipped with a lamp, comprising an insulation seat, a housing cavity on the insulation seat, a press key, a contact slice and a terminal set arranged in the housing cavity from upper to bottom, furthermore comprising a lighting element fixedly mounted on the insulation seat, wherein the lighting element comprises a lighting body and a set of metal guide feet connected with the lighting body and the lighting body is housed in the press key and the metal guide feet bend to form a horizontal shoulder part and a vertical connector pin part and an upwards opening fixation groove is arranged on the insulator and the opening side of the fixation groove clads the shoulder part of the metal guide feet by heat melting and the pin part of the metal guide feet extends downwards outside the insulation seat. The fixation groove is arranged on the insulation seat and the metal guide feet of the lighting element are positioned in the fixation groove and then the lighting element is fixedly connected with the insulation seat by the heat melting way. Compared with the prior technology, the light-touch switch has features of simpler structure, more convenient assembly, more stable and reliable connection and being favorable for reducing the production cost.

Description

Can be with lamp formula touch-switch

Technical field

The utility model relates to the key switch art, refers in particular to a kind ofly by pushing the lamp the be with formula touch-switch that obtains pulse signal, is applicable to the operation push-button of various household electrical appliance, automobile and sound system.

Background technology

Touch-switch also is sensitive switch, is a kind of electronic switch, presses shift knob during use gently and just can make switch connection, and switch both disconnected when unclamping hand, and stressed springing realizes break-make to its internal structure by metal clips.Sensitive switch is widely used aspect household electrical appliance as colour TV button, video disc player button, computer mouse or the like because volume is little in light weight.Also can be used for controlling small-power household electrical appliance such as illuminating lamp and ventilating fan.The automatic disconnection behind mains failure of this electronic switch can not connected (need press control button could connect) voluntarily when sending a telegram here once more, can avoid because of electrical equipment long-term energising consume electric power or initiation contingency.

Along with household electrical appliance, the more and more hommization of products such as automobile, multifunction, function, outward appearance to the button of this series products are also had higher requirement, the lamp be with formula touch-switch as prior art, the known switching device of being announced as patent documentation 200680004831.X, its light-emitting component is by other installing component, be erected at the pressing member inside of Switch main body, from the fixing position of light-emitting component, draw two terminals from the installing component of light-emitting component in addition, engage with the light-emitting component installation foot of pedestal.This structure is installed quite complicated, and light-emitting component cooperates with its installation component pin and lacks stability, and operation is various in the assembling production process, causes product cost to improve.

The utility model content

In view of this, the utility model is at the disappearance of prior art existence, and its main purpose provides a kind of lamp formula touch-switch of being with, and it has characteristics simple in structure, easy for installation, reliable and stable, that cost is low.

Another purpose of the present utility model provides a kind of lamp formula touch-switch of being with, and it has waterproof and dust reduction capability, prolongs the characteristics in contact chip life-span.

A purpose more of the present utility model provides a kind of lamp formula touch-switch of being with, and itself and circuit board have multiple connected mode and configurable multiple button lid that button is operated, and use to have flexibility.

For achieving the above object, the utility model adopts following technical scheme:

A kind of lamp formula touch-switch of being with, include an insulating base, this insulating base has the containing cavity that an opening makes progress, in containing cavity, be disposed with button from top to bottom, contact chip and terminal group, the bottom of button freely is active in the containing cavity, further include a light-emitting component that is installed on the insulating base, this light-emitting component comprises a luminous element and one group of metal lead foot that is connected with luminous element, this luminous element is accommodated in the button, this metal lead foot forms a horizontal shoulder and a vertical pin portion through bending, be provided with the holddown groove of upward opening in insulator, the opening lateral margin of this holddown groove envelopes the shoulder of metal lead foot through hot melt, and the pin portion of metal lead foot extends outside the insulating base downwards.

As a kind of preferred version, further include a rubber bodies, this rubber bodies is sandwiched between contact chip and the button, be provided with position limiting convex ring and waterproof bulge loop in the bottom of rubber bodies, this position limiting convex ring is pressed on the edge of contact chip, this waterproof bulge loop is positioned at the periphery of position limiting convex ring, is provided with capillary groove in the bottom of containing cavity and further is provided with the annular convex ring that is used to strengthen waterproof effect in capillary groove at the waterproof bulge loop, and this waterproof bulge loop closely is flush-mounted in the capillary groove.

As a kind of preferred version, a button lid that is installed in the button top and can freely overturns and provide button to push active force further is provided, one side of this button lid is provided with colludes piece, is provided with and colludes the groove that colludes that piece cooperatively interacts corresponding to insulating base, and this colludes piece and colludes groove and fasten the pivot dress mutually.

As a kind of preferred version, comprise that further one is plugged in the button lid that the button top provides button to push active force, this button lid has a downward opening cavity, in cavity, be provided with guide groove, be provided with the guide pillar that cooperatively interacts with guide groove corresponding to button, this button top is plugged in the button lid cavity, and this guide pillar tightly inserts in the guide groove.

As a kind of preferred version, a button lid that slides up and down and provide button to push active force further is provided, this button lid includes a upper cover body, pad and lower cover, this upper cover body and lower cover fasten mutually, and this pad is sandwiched between upper cover body and the lower cover, and this lower cover is provided with guide hole, be provided with hook-shaped guide block corresponding to insulating base, this guide hole and guide block fasten mutually, and loam cake slides up and down along guide block, and this pad contacts on the button.

As a kind of preferred version, comprise that further one can act on the button upper surface and provides the button that button pushes active force lid, this button lid bottom to be provided with guide pillar, be provided with guide hole corresponding to the button upper surface, this guide pillar tightly inserts in the guide hole.

As a kind of preferred version, described insulating base vertically is positioned on the circuit board, the end of the end of this terminal group and metal lead foot passes circuit board and is connected with the lower surface hot melt of circuit board, and perhaps the end of the end of this terminal group and metal lead foot is consolidated in the upper surface of circuit board through hot melt.

As a kind of preferred version, further include a support, one end of this support and insulating base snapping, this insulating base laterally lie against on the circuit board, and the end of the terminal metal lead foot of this terminal group and the other end of support pass circuit board and be connected with the lower surface hot melt of circuit board.

As a kind of preferred version, described insulating base includes loam cake and base, also is consolidated in together through hot melt by being provided with the location notch and the reference column plug-in mounting that cooperatively interact between this loam cake and the base.

As a kind of preferred version, described base is provided with the dustproof groove that is used to strengthen the dustproof effect of contact chip in the below of contact chip.

The utility model compared with prior art has tangible advantage and beneficial effect, particularly, and as shown from the above technical solution:

One, by being provided with holddown groove in insulating base, the metal lead foot of light-emitting component is positioned in the holddown groove, utilize hot melting mode that light-emitting component is consolidated in insulating base then, compared with prior art, structure is simpler, assemble more conveniently, connect more reliable and more stablely, help reducing production costs.

Two, by being provided with capillary groove and dustproof groove in base, and utilize the waterproof bulge loop and the capillary groove of rubber bodies to closely cooperate, played good waterproof and dustproof effect, prolonged the useful life of contact chip greatly.

Three, the circuit board hot melt is connected or directly hot melt connection on circuit board by terminal ends and metal lead foot end are passed, realized multiple connected mode, and, profile according to the button lid can cooperate the button lid button or insulating base to realize connecting and acting on the button, has strengthened the use flexibility of switch.

For more clearly setting forth architectural feature of the present utility model and effect, come the utility model is elaborated below in conjunction with accompanying drawing and specific embodiment:

Description of drawings

Fig. 1 is the three-dimensional diagrammatic sketch of assembling of the embodiment of the utility model;

Fig. 2 is the exploded view of the embodiment of the utility model;

Fig. 3 is the sectional view of the embodiment of the utility model;

Fig. 4 is the state diagram that button is depressed among Fig. 3;

Fig. 5 is the state diagram of first kind of mode being connected with circuit board of switch;

Fig. 6 is the state diagram of the second way that is connected with circuit board of switch;

Fig. 7 is the state diagram of the third mode of being connected with circuit board of switch;

Fig. 8 is the state diagram that the button lid is installed on first embodiment on the button;

Fig. 9 is the state diagram that the button lid is installed on second embodiment on the button;

Figure 10 is the state diagram that the button lid is installed on the 3rd embodiment on the button;

Figure 11 is the state diagram that the button lid is installed on the 4th embodiment on the button;

Figure 12 is the enlarged drawing of another angle of base;

Figure 13 is the enlarged drawing of another angle of rubber bodies.

The accompanying drawing identifier declaration:

10, insulating base 11, containing cavity

12, loam cake 121, location notch

122, holddown groove 123, collude groove

13, base 131, reference column

132, fixing hole 133, guide block

14, capillary groove 141, bulge loop

15, dustproof groove 20, terminal group

21, the first terminal 211, first contact site

212, the first leg portion 22, second terminal

221, second contact site 222, the 3rd contact site

223, the second leg portion 30, contact chip

40, rubber bodies 41, position limiting convex ring

42, waterproof bulge loop 43, projection

44, hollow cylinder 50, button

51, projection 52, cavity

53, guide pillar 54, guide hole

60, light-emitting component 61, luminous element

62, metal lead foot 621, shoulder

622, pin portion 70, support

81, first button covers 811, colludes piece

82, second button lid 821, cavity

822, guide groove 83, the 3rd button lid

831, upper cover body 832, pad

833, lower cover 834, guide hole

84, the 4th button lid 841, guide pillar

100, circuit board

Embodiment:

Please refer to Fig. 1 to shown in Figure 13, the concrete structure that it has demonstrated the preferred embodiment of the utility model includes insulating base 10, terminal group 20, contact chip 30, rubber bodies 40, button 50, light-emitting component 60.

Wherein, this insulating base 10 has the containing cavity 11 that an opening makes progress, insulating base 10 includes loam cake 12 and base 13, these loam cake 12 sides are provided with location notch 121, extending corresponding to base 13 has the reference column 131 suitable with location notch 121, this reference column 131 and location notch 121 plug-in mounting that cooperatively interacts, and the upper surface of location notch 121 is stretched out in the upper surface of reference column 131, the upper surface of this reference column 131 makes loam cake 12 and base 13 be installed in together through hot melt.And, in the bottom of containing cavity 11 and be positioned at base 13 and be provided with annular capillary groove 14,, in capillary groove 14, further be provided with annular convex ring 141 for strengthening waterproof effect.These containing cavity 11 bottom centre are the service area of contact chip 30, are provided with dustproof groove 15 in this service area, and this dustproof groove 15 is used to strengthen contact chip 30 dustproof effect in the course of the work.This capillary groove 14 and dustproof groove 15 help real waterproof and dust reduction capability, thereby can prolong the useful life of contact chip 30 greatly.

This terminal group 20 includes the discrete each other the first terminal 21 and second terminal 22, this the first terminal 21 is provided with one first contact site 211 and two first leg portions 212, this second terminal 22 is provided with one second contact site 221, one the 3rd contact site 222 and two second leg portions 223, this second contact site 21 and the 3rd contact site 222 lay respectively at the both sides of first contact site 211, this first contact site 211, second contact site 221 and the 3rd contact site 222 are installed on the bottom of aforementioned containing cavity 11 in the lump, and this first leg portion 212 and the second leg portion 223 extend respectively outside the insulating base 10.

These contact chip 30 spill plates, contact chip 30 covers on the aforementioned terminal group 20 and is positioned at the top of aforementioned dustproof groove 15, the edge of contact chip 30 contacts on second contact site 221 and the 3rd contact site 222, and this first contact site 211 maintains certain up and down apart from the gap with contact chip 30.

This rubber bodies 40 is positioned at 30 top of contact chip, and the bottom of rubber bodies 40 is provided with position limiting convex ring 41 and waterproof bulge loop 42, and this position limiting convex ring 41 is pressed on the edge of contact chip 30, is used to limit the activity of contact chip 30 in containing cavity 11.This waterproof bulge loop 42 is positioned at the periphery of position limiting convex ring 41, and waterproof bulge loop 42 is flush-mounted in the aforementioned capillary groove 14 and with capillary groove 14 and closely cooperates, and realizes the water-proof function of contact chip 30 and terminal group 20.Bottom centre in rubber bodies 40 is provided with projection 43, and this projection 43 contacts at the centre of surface of contact chip 30, makes contact chip 30 make the first terminal 21 and 22 conductings of second terminal to lower recess by projection 43 transfer function power.And, extend upward a hollow cylinder 44 in the upper surface center of rubber bodies 40.

This button 50 is positioned at the top of rubber bodies 40, and a projection 51 is extended in the lower surface of button 50, and this projection 51 tightly inserts in the aforementioned hollow cylinder 44, realizes that button 50 is connected with rubber bodies 40.This button 50 is provided with opening cavity 52 up simultaneously.The bottom of this button 50 freely is active in the aforementioned containing cavity 11.By applying active force on button 50, be used for making on the contact chip 30 the contact chip distortion to contact at first contact site 211 by rubber bodies 40 transfer function masterpieces, thereby the conducting the first terminal 21 and second terminal 22, after unclamping button 50, rubber bodies 40 and contact chip 30 resile, and the first terminal 21 and second terminal 22 are in nonconducting state once more.

This light-emitting component 60 is installed on the insulating base, and light-emitting component 60 includes a luminous element 61 and one group of metal lead foot 62 that is connected with luminous element 61.This luminous element 61 is accommodated in the cavity 52 of aforementioned keys 50.This metal lead foot 62 forms a horizontal shoulder 621 and a vertical pin portion 622 through bending, be provided with the holddown groove 122 of upward opening and be provided with fixing hole 132 in loam cake 12 at this metal lead foot 62 in base 13, the opening lateral margin of this holddown groove 122 envelopes the shoulder 621 of metal lead foot 62 through hot melt, and the pin portion 622 of metal lead foot 62 is passed down through outside fixing hole 132 protuberate basic units 13.

This metal lead foot 62 is connected with circuit board 100 with aforementioned terminal group 20, and ways of connecting has following three kinds:

Please refer to Fig. 5, be first kind of connected mode, this insulating base 10 vertically is positioned on the circuit board 100, and the first leg portion 212 of pin portion 622 (not shown) of this metal lead foot 62 and terminal group 20, the second leg part 223 are passed circuit board 100 respectively and be connected with the lower surface hot melt of circuit board 100.

Please refer to Fig. 6, be second kind of connected mode, this insulating base 10 vertically is positioned on the circuit board 100, the first leg portion 212 of pin portion 622 (not shown) of this metal lead foot 62 and terminal group 20, the second leg portion 223 are consolidated in circuit board 100 respectively through hot melt upper surface.

Please refer to Fig. 7, be the third connected mode, this insulating base 10 is placed horizontally on the circuit board 100, in the below of insulating base 10 spiral-lock one support 70 is arranged, an end of this support 70 inserts in the circuit board 100 fixedly with circuit board 100 hot melts simultaneously, and this support 70 is the bonding strength between reinforced insulation seat 10 and the circuit board 100 effectively.And the first leg portion 212, the second leg portion 223 of pin portion 622 (not shown) of this metal lead foot 62 and terminal group 20 pass circuit board 100 respectively and are connected with the lower surface hot melt of circuit board 100.

In addition, the utility model further includes button lid, and this button lid mainly contains following four kinds, is respectively first button lid, 81, second button lid the 82, the 3rd button lid the 83 and the 4th button lid 84.

Wherein, please refer to Fig. 8, is first kind of embodiment, and this first button lid 81 is installed in aforementioned keys 50 tops, and can freely overturn and provide button 50 to push active force.One side of first button lid 81 is provided with colludes piece 811, is provided with and colludes that piece 811 cooperatively interacts colludes groove 123 corresponding to the loam cake 12 of insulating base 10, and this colludes groove 123 and colludes piece 811 and fasten the pivots dress mutually.

Please refer to Fig. 9, be second kind of embodiment, these second button lid, 82 tops that are plugged in button 50 provide button 50 to push active force, second button lid 82 has a downward opening cavity 821, in cavity 821, be provided with guide groove 822, be provided with the guide pillar 53 that cooperatively interacts with guide groove 821 corresponding to button 50, the top of this button 50 is plugged in the cavity 821, and this guide pillar 53 tightly inserts in the guide groove 822.

Please refer to Figure 10, be the third embodiment, the 3rd button lid 83 can slide up and down and act on button 50 provides button 50 to push active force, the 3rd button lid 83 includes upper cover body 831, pad 832 and lower cover 833, this upper cover body 831 and lower cover 833 are fastened on together mutually by button hole and projection, and this pad 832 is sandwiched between upper cover body 831 and the lower cover 833.Be provided with guide hole 834 in lower cover 833, base 13 corresponding to insulating base 10 is provided with hook-shaped guide block 133, this guide block 133 fastens mutually with guide hole 834, makes the 3rd button cover 83 under the restriction of guide block 133 and slide up and down, and this pad 832 contacts on the button 50.

Please refer to Figure 11, be the 4th kind of embodiment, the 4th button lid 84 can act on button 50 upper surfaces and the active force of pushing of button 50 is provided, the 4th button covers 84 bottoms and extends downwards guide pillar 841 is arranged, upper surface corresponding to button 50 is provided with guide hole 54, and this guide pillar 54 tightly inserts in the guide hole 54.

The course of work that present embodiment is described in detail in detail is as follows:

As Fig. 4, when applied external force acted on button and covers, active force passed to rubber bodies 40 by button 50, and the buffering of rubber bodies 40 acts on the contact chip 30 indirectly.When peripheral operation power during greater than the load yield point of contact chip 30, the central area of contact chip 30 is bent downwardly with first contact site 211 of the first terminal 21 inconsistent, and at this moment, switch is in conducting shape body, and light-emitting component 60 is luminous simultaneously.

When load that applied external force can be born less than contact chip 30, contact chip 30 can overcome outside active force, and first contact site 211 of the central area of contact chip 30 and the first terminal 21 disconnects, and returns to nature, this moment, switch was in off-state, and light-emitting component 60 does not work.

The utility model touch-switch is because of in operating process, the applied external force that acts on button 50 can not directly act on contact chip 30, cushioning effect by rubber bodies 40, reduce the infringement that applied external force is produced contact chip 30 in operating process, thereby guarantee the useful life of contact chip 30.

Design focal point of the present utility model is, at first, by being provided with holddown groove in insulating base, the metal lead foot of light-emitting component is positioned in the holddown groove, utilize hot melting mode that light-emitting component is consolidated in insulating base then, simple in structure, easy to assembly, connect reliable and stablely, help reducing production costs.Secondly, by being provided with capillary groove and dustproof groove in base, and utilize waterproof bulge loop and the capillary groove of rubber bodies to closely cooperate, played good waterproof and the effect of preventing dust, prolonged the useful life of contact chip greatly.Moreover, the circuit board hot melt is connected or directly hot melt connection on circuit board by terminal ends and metal lead foot end are passed, realized multiple connected mode, and, profile according to the button lid can cooperate the button lid button or insulating base to realize connecting and acting on the button, has strengthened the use flexibility of switch.

The above, it only is preferred embodiment of the present utility model, be not that technical scope of the present utility model is imposed any restrictions, so every foundation technical spirit of the present utility model all still belongs in the scope of technical solutions of the utility model any trickle modification, equivalent variations and modification that above embodiment did.

Claims (10)

1. can be with lamp formula touch-switch for one kind, include an insulating base, this insulating base has the containing cavity that an opening makes progress, in containing cavity, be disposed with button from top to bottom, contact chip and terminal group, the bottom of button freely is active in the containing cavity, it is characterized in that: further include a light-emitting component that is installed on the insulating base, this light-emitting component comprises a luminous element and one group of metal lead foot that is connected with luminous element, this luminous element is accommodated in the button, this metal lead foot forms a horizontal shoulder and a vertical pin portion through bending, be provided with the holddown groove of upward opening in insulator, the opening lateral margin of this holddown groove envelopes the shoulder of metal lead foot through hot melt, and the pin portion of metal lead foot extends outside the insulating base downwards.

2. the lamp formula touch-switch of being with according to claim 1, it is characterized in that: further include a rubber bodies, this rubber bodies is sandwiched between contact chip and the button, be provided with position limiting convex ring and waterproof bulge loop in the bottom of rubber bodies, this position limiting convex ring is pressed on the edge of contact chip, this waterproof bulge loop is positioned at the periphery of position limiting convex ring, be provided with capillary groove in the bottom of containing cavity and further be provided with the annular convex ring that is used to strengthen waterproof effect in capillary groove at the waterproof bulge loop, this waterproof bulge loop closely is flush-mounted in the capillary groove.

3. the lamp formula touch-switch of being with according to claim 1, it is characterized in that: a button lid that is installed in the button top and can freely overturns and provide button to push active force further is provided, one side of this button lid is provided with colludes piece, be provided with and collude the groove that colludes that piece cooperatively interacts corresponding to insulating base, this colludes piece and colludes groove and fasten the pivot dress mutually.

4. the lamp formula touch-switch of being with according to claim 1, it is characterized in that: comprise that further one is plugged in the button lid that the button top provides button to push active force, this button lid has a downward opening cavity, in cavity, be provided with guide groove, be provided with the guide pillar that cooperatively interacts with guide groove corresponding to button, this button top is plugged in the button lid cavity, and this guide pillar tightly inserts in the guide groove.

5. the lamp formula touch-switch of being with according to claim 1, it is characterized in that: a button lid that slides up and down and provide button to push active force further is provided, this button lid includes a upper cover body, pad and lower cover, this upper cover body and lower cover fasten mutually, this pad is sandwiched between upper cover body and the lower cover, this lower cover is provided with guide hole, be provided with hook-shaped guide block corresponding to insulating base, this guide hole and guide block fasten mutually, loam cake slides up and down along guide block, and this pad contacts on the button.

6. the lamp formula touch-switch of being with according to claim 1, it is characterized in that: comprise that further one can act on the button upper surface and the button that button pushes active force lid is provided, this button lid bottom is provided with guide pillar, is provided with guide hole corresponding to the button upper surface, and this guide pillar tightly inserts in the guide hole.

7. the lamp formula touch-switch of being with according to claim 1, it is characterized in that: described insulating base vertically is positioned on the circuit board, the end of the end of this terminal group and metal lead foot passes circuit board and is connected with the lower surface hot melt of circuit board, and perhaps the end of the end of this terminal group and metal lead foot is consolidated in the upper surface of circuit board through hot melt.

8. the lamp formula touch-switch of being with according to claim 1, it is characterized in that: further include a support, one end of this support and insulating base snapping, this insulating base laterally lies against on the circuit board, and the end of the terminal metal lead foot of this terminal group and the other end of support pass circuit board and be connected with the lower surface hot melt of circuit board.

9. the lamp formula touch-switch of being with according to claim 1, it is characterized in that: described insulating base includes loam cake and base, also is consolidated in together through hot melt by being provided with the location notch and the reference column plug-in mounting that cooperatively interact between this loam cake and the base.

10. the lamp formula touch-switch of being with according to claim 1 is characterized in that: described base is provided with the dustproof groove that is used to strengthen the dustproof effect of contact chip in the below of contact chip.

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