CN106710917A

CN106710917A - Button switch

Info

Publication number: CN106710917A
Application number: CN201510428532.XA
Authority: CN
Inventors: 北原隆久
Original assignee: TOKYO SPARE PARTS INDUSTRIAL Co Ltd
Current assignee: TOKYO SPARE PARTS INDUSTRIAL Co Ltd; Tokyo Parts Ind Co Ltd
Priority date: 2015-07-20
Filing date: 2015-07-20
Publication date: 2017-05-24
Anticipated expiration: 2035-07-20
Also published as: CN106710917B

Abstract

The invention provides a high-reliability button switch through which electrical connection of all parts can be easily performed in a non-welding mode and the parts can be reduced. The button switch comprises a switch shell (40), a soft button (50), a switch electrode (10), terminal parts (20A, 20B) and a lead (30). The terminal parts (20A, 20B) are provided with a plane part (21) and a first droop part (22). A first connecting part (24) for connecting the connecting terminal (13) of the switch element in the non-welding mode is formed on the plane part (21). A second connecting part (25) for connecting the lead in the non-welding mode is formed on the first droop part (22). The switch shell (40) is provided with a first supporting part (44) and a second supporting part (45). The first supporting part (44) supports the inserted lead (30). The second supporting part (45) supports the plane part (21) of the terminal parts.

Description

Button switch

Technical field

The present invention relates to a kind of button switch using soft button.

Background technology

As the button switch using soft button, such as Patent Document 1 discloses a kind of button switch, The button switch includes switch element of the configuration on base, accommodates the tubular shell and peace of switch element Button on housing upper.

In the button switch disclosed in patent document 1, because the terminal of switch element is connected to the bottom of installed in Seat below on terminal component, lead is connected to terminal component, therefore with not needing the excellent of printed circuit board (PCB) Point.

Prior art literature

Patent document

Patent document 1：Japanese Laid Open Patent the 2012-18794th

However, in the button switch disclosed in patent document 1, due to the tubular except accommodating switch element Also need to carry the base of switch element beyond housing, therefore, although printed circuit board (PCB) is not needed, but still It is not reaching to being substantially reduced for part.

Additionally, it is necessary to the terminal of switch is soldered into portion of terminal in the button switch disclosed in patent document 1 Part, and it also requires lead is soldered into terminal component.Therefore, it is not reaching to fully shorten manufacturing time.

The content of the invention

It is therefore an object of the present invention to provide a kind of further reduction that can realize part and be easy to manufacture Button switch.

Hereinafter, the mode of the invention for solving the above problems will be illustrated as.Additionally, in mode disclosed below The inscape of use can use possible any combination.It should be understood that mode of the invention or technology Feature is not limited to content disclosed below, but according to disclosure in entire disclosure and accompanying drawing Or the content that those skilled in the art are based on the invention thought that will appreciate that of these contents and recognize.

The 1st aspect of the present invention provides a kind of button switch, including：Switch case, the switch case tool There are bottom surface and side, there is opening portion above；Soft button, the soft button is arranged on the switch Blocking the opening portion in housing；Switch element, switch element configuration by the switch case with In the space that the button is formed, there is operating portion on top, while having the multiple connections for extending downwards Terminal；Terminal component, the terminal component is electrically connected to the connection terminal；And lead, the lead electricity It is connected to the terminal component, it is characterised in that

The terminal component has planar portions and the first dip portion, and the planar portions are formed with non-solder mode The first connecting portion of the connection terminal is connected, first dip portion is sagging from one end of the planar portions, And it is formed with the second connecting portion that the lead is connected in non-solder mode；

The switch case has patchhole, the first supporting part and the second supporting part, and the patchhole is formed in The side, for the lead to be inserted in the space, first supporting part is used to support insertion institute The lead in space is stated, second supporting part is used to support the planar portions of the terminal component.

In the button switch of this mode, due to can with non-solder mode terminal component easy to carry out, lead and Electrical connection between the connection terminal of switch element, while being by switch case support terminals part and switch unit The structure of part such that it is able to which reliability button switch high is realized with less part.

Additionally, the 2nd aspect of the present invention is characterised by, the switch case has first dip portion Embedded groove portion.

In the button switch of this mode, positioning terminal part is readily able to such that it is able to perform extremely simplely The second connecting portion of terminal component and the electrical connection of lead.

Additionally, the 3rd aspect of the present invention is characterised by, the terminal component has from the planar portions The second sagging dip portion of the other end, the switch case has the fixed part of fixation second dip portion.

In the button switch of this mode, terminal component can be firmly-fixed in switch case, so as to Enough realize reliability button switch higher.

Additionally, the 4th aspect of the present invention is characterised by, the switch case is described with encirclement is arranged to The resin filled chamber of patchhole, the resin filled chamber is filled with resin.

In the button switch of this mode, water can be effectively prevented to be immersed in the inner space of configuration switch element, The button switch superior so as to realize water proofing property.

Beneficial effect

Button switch of the invention, be readily able to non-solder mode perform terminal component, lead and Electrical connection between the connection terminal of switch element, while can realize that reliability is high with less part count Button switch.

Brief description of the drawings

Fig. 1 is the top view of the button switch according to one embodiment of the present invention.

Fig. 2 is the front view of the button switch of Fig. 1.

Fig. 3 is the left view of the button switch of Fig. 1.

Fig. 4 is the sectional view observed along the A-A arrows of Fig. 1.

Fig. 5 is the sectional view observed along the B-B arrows of Fig. 1.

Fig. 6 is the sectional view observed along the C-C arrows of Fig. 1.

Fig. 7 is the sectional view observed along the D-D arrows of Fig. 1.

Fig. 8 is the top view of the housing of the button switch of Fig. 1.

Fig. 9 is the stereogram of the terminal component of the button switch of Fig. 1.

Figure 10 is the top view of the sequence of the button switch for explanatory diagram 1.

Figure 11 is the top view of the sequence of the button switch for explanatory diagram 1.

Figure 12 is the top view of the sequence of the button switch for explanatory diagram 1.

Specific embodiment

In order to more specifically understand the present invention, one embodiment of the present invention is described in detail referring to the drawings.

(implementation method)

According to present embodiment, button switch 1 be in unshowned door handle device for vehicle by Button switch.When user operates door lock assembly, can be by pressing what is exposed from door handle device for vehicle The button 50 of button switch 1 performs the locking or unblock of door.

The button switch 1 includes：10, two terminal component 20A of switch element, 20B, two leads 30, Switch case 40, button 50 and cover 60.

Switch element 10 has 12, four connection ends of main part of columned operating portion 11, rectangular-shape Son 13.Operating portion 11 is protruded upward from main part 12, is configured to be may move along the above-below direction of Fig. 7, And be pressed against towards the top of Fig. 7 by the unshowned elastomeric element in main part 12.Connection terminal 13 is from master Body portion 12 extends downwardly.

The switch element 10 is configured in the space formed by switch case described later 40 and button 50.

Terminal component 20A, 20B are processed by conductive metal plate, and with planar portions 21 and from flat Sagging first dip portion 22 and the second dip portion 23 in two ends of face 21.

In planar portions 21, the connection terminal for electrically connecting switch element 10 in non-solder mode is formed with 13 first connecting portion 24.In first connecting portion 24, it is formed with to be cut on three directions around and forms It is the tongue piece of cantilever beam-like.Tongue piece is bent into and slopes slightly downward.

Additionally, in planar portions 21, be formed with the guiding wall 47c being arranged in switch case 40 described later, The notch 26 of 47d insertions.

In the first dip portion 22, it is formed with for the second connection of non-solder mode electric connecting wire 30 Portion 25.In second connecting portion 25, the heart yearn of the lead 30 formed with insulated cladding core wire is formed with Diameter compared to the slightly narrow longitudinal slit of width.

Second dip portion 23 is shorter compared with the first dip portion 22, is formed as slight curving shape with can It is fixed in the groove portion 46b of switch case described later 40.

Switch case 40 is integrally molded so as the square tube shape with bottom by hard resin, with bottom surface and side, There is opening portion above.

In two tops of opposite flank of switch case 40, locking cover 60 described later is provided with The lock pawl 41 of sticking department 61.

In a side for being not provided with lock pawl 41 of switch case 40, it is formed with for making two leads 30 front end is inserted into the circular inserting hole 42a in switch case.The diameter of patchhole 42a and lead 30 Diameter compared to slightly larger.

Additionally, in a side of switch case 40, being provided with resin filled chamber 42 to surround patchhole 42a.The resin filled chamber 42 is rendered as being projected into from a side of switch case 40 square tube shape of outside, The final potting resin for water-proofing treatment.

In the inner side of switch case 40, the direction of insertion (right and left of Fig. 8 papers with lead 30 is provided with To) parallel three vertical walls 43a, 43b, 43c and one orthogonal with the direction of insertion of lead 30 it is perpendicular Wall 43d.

Set between vertical wall 43a and vertical wall 43b and between vertical wall 43a and vertical wall 43c There is the first supporting part 44 abutted with patchhole 42a.First supporting part 44 is support from patchhole 42a The part of the leading section of the lead 30 of insertion, is made up of the slightly narrow groove of the width compared with the diameter of lead 30. The leading section of lead 30 is pressed into the first supporting part 44 from top.

A part (applying the part of oblique line in Fig. 8) above vertical wall 43a, 43b, 43c turns into branch Second supporting part 45 of the planar portions 21 of support terminal component 20A, 20B.

In vertical wall 43a, 43b, 43c, be provided with slotting embedding terminal component 20A, 20B first is sagging The groove portion 46b of the groove portion 46a in portion 22 and second dip portion 23 of fixing terminal part 20A, 20B.And And, groove portion 46a is arranged on the middle of Fig. 8 paper left and right directions of the first supporting part 44.

These groove portions 46a, 46b are formed as linear, its width (width of the paper left and right directions of Fig. 8) It is suitable with first dip portion 22 of terminal component 20A, 20B and the thickness of the second dip portion 23.

In above vertical wall 43a, 43b, 43c, it is provided with for from side directing switch element 10 Guiding wall 47a, 47b, 47c, 47d of main part 12.Also, the middle body of vertical wall 43a is formed as Part is higher, and guiding wall 47a, 47b are arranged in upper section.

Button 50 has resilient soft resin and is formed by rubber etc., including upper operating wall 51 and from top The side perisporium 52 for operating the periphery of wall 51 sagging.

The button 50 is arranged on the top of switch case 40 to block the opening portion of switch case 40.Specifically, The insertion of side perisporium 52 is arranged in the stage portion of the upper periphery of switch case 40, also, cover 60 In the periphery of embedded side perisporium 52.And then, the sticking department 61 of cover 60 passes through the lock of switch case 40 Determine pawl 41 to lock, so as to button 50 and cover 60 are fixed in switch case 40.

In addition, in the case where button switch 1 is attached into unshowned door handle, with the top of button 50 Operation wall 51 is exposed to the inner side of the mode installed in door handle of outside.

Then, the assemble method to the button switch 1 of present embodiment is illustrated.

First, two leads 30 are inserted into switch case 40 through patchhole 42a.Then, pressed from above The fore-end of voltage lead wires 30 is simultaneously pressed into the first supporting part 44 (reference picture 10).Thus, lead 30 It is fixed in switch case 40, and does not allow easy to fall off.

Then, first dip portion 22 and the second dip portion 23 of terminal component 20A, 20B are respectively embedded into To in the groove portion 46a and 46b of switch case 40 (reference picture 11).

When first dip portion 22 of terminal component 20A, 20B is embedded into groove portion 46a, before lead 30 End is partially embedded into the second connecting portion 25 formed by the longitudinal slit being formed in the first dip portion 22. Now, due to second connecting portion 25 slit width and lead 30 heart yearn diameter slightly narrower, thus Insulating coating material is bitten into by the two side portions of the slit of second connecting portion 25 so that the core of lead 30 Line is electrically connected with terminal component 20A, 20B.

Additionally, when second dip portion 23 of terminal component 20A, 20B is embedded into groove portion 46b, slightly Second dip portion 23 of curved shape deforms according to linear groove portion 46b.Therefore, terminal component 20A, 20B due to the second dip portion 23 deformation produce elastic force and be fixed to switch case 40, from without Can be floated from switch case 40 and come off.So, the groove portion 46b of switch case 40 plays multiple fixing portion of terminal The effect of the fixed part of part 20A, 20B.

Additionally, the first dip portion 22 and the second dip portion 23 in terminal component 20A, 20B are respectively embedded into During in groove portion 46a and groove portion 46b, planar portions 21 are placed on the second supporting part 45 of switch case 40, Guiding wall 47c, 47d are partially embedded in notch 26 simultaneously.In this way, terminal component 20A, 20B is not in the case where producing the position in horizontal direction to offset with the floating in vertical direction with the shape of stabilization State is fixed in switch case 40.

Then, switch element 10 is assembled.Specifically, four connection terminals 13 of switch element 10 are inserted into It is formed in (reference in four first connecting portions 24 altogether in the planar portions 21 of terminal component 20A, 20B Figure 12).

When connection terminal 13 is inserted into first connecting portion 24, the tongue piece of first connecting portion 24 deforms downwards, Connection terminal 13 is secured in a press in tongue piece by the elastic force that the deformation is produced so that connection terminal 13 with Terminal component 20A, 20B are electrically connected.

Additionally, when connection terminal 13 is inserted into first connecting portion 24, the rectangular-shape of switch element 10 Main part 12 be switched on and off guiding wall 47a, 47b, 47c, 47d of housing 40 and wrapped under close contact state Enclose.In this way, the side on the four direction of switch element 10 is limited such that it is able to prevent switch unit Part 10 is rocked, it is possible to increase the reliability of connection terminal 13 and the electrical connection of terminal component 20A, 20B.

Then, after button 50 is installed in the way of the opening portion for blocking switch case 40, cover is installed 60, the final potting resin (not shown) in the resin filled chamber 42 of switch case 40.

The button switch 1 of the present embodiment for constituting in this way is pressed downward from the top of Fig. 7 During the upper operating wall 51 of button 50, upper operating wall 51 produces elastic deformation and downwards buck switch element 10 operating portion 11, opens switch, therefore signal is delivered to outside by lead 30.

Additionally, when the pressing operation of upper operating wall 51 is released, soft button 50 is returned due to restoring force To original state, the operating portion 11 of switch element 10 is also returned to top so that closing switch.

The button switch 1 of present embodiment from the description above, by being formed in terminal component 20A, 20B In first connecting portion 24 and second connecting portion 25, switch element 10 can be electrically connected in non-solder mode Connection terminal 13 and lead 30.

Further, since the fore-end that switch case 40 has the lead 30 to being inserted into inside is limited First supporting part 44 of system, therefore, prevent lead 30 to twist when terminal component 20A, 20B is inserted, Make it possible to perform simply and with high reliability the electrical connection of second connecting portion 25 and lead 30.

Further, since the planar portions 21 of terminal component 20A, 20B are switched on and off the second supporting part of housing 40 45 support, while fore-end by the first supporting part 44 limit lead 30 be embedded into terminal component 20A, In the second connecting portion 25 of 20B, therefore, the connection terminal 13 of switch element 10 is being inserted into the first company Perturbing or twisting for terminal component 20A, 20B is prevented during socket part 24.Therefore, it is possible to simple and highly reliable Property ground perform the first connecting portion 24 of terminal component 20A, 20B and the connection terminal 13 of switch element 10 Electrical connection.

Therefore, according to present embodiment, while realizing being simple to manufacture that need not weld, it is also possible to The button switch of high reliability is realized with less part.

Additionally, in the button switch 1 of present embodiment, due to being provided with built-in end in switch case 40 The groove portion 46a of first dip portion 22 of subassembly 20A, 20B, therefore, it is possible to simply determine portion of terminal The position of part 20A, 20B, enabling be extremely easy to perform being electrically connected for second connecting portion 25 and lead 30 Connect.

Additionally, in the button switch 1 of present embodiment, it is embedded solid due to being provided with switch case 40 The groove portion 46b of second dip portion 23 of fixed end subassembly 20A, 20B, therefore, it is possible to by terminal component 20A, 20B is firmly-fixed in switch case 40 such that it is able to realize reliability button switch higher.

Additionally, in the button switch 1 of present embodiment, due to surrounding the patchhole of the insertion of lead 30 Resin is filled with the resin filled chamber 42 that the mode of 42a is set, therefore, it is possible to effectively prevent water from immersing To the inside of the switch case 40 of configuration switch element 10 such that it is able to realize that the superior button of water proofing property is opened Close.

An embodiment of the invention is illustrated above, but the present invention is not limited to the implementation Mode, but appropriate change etc. can be carried out to the present invention without departing from the scope of the subject in the invention.

Specifically, for example, the first connecting portion 24 on being arranged in terminal component 20A, 20B, only If can be in the way of non-solder mode be electrically connected to connection terminal 13, then can be using the tongue of any shape Piece.

Additionally, on the second connecting portion 25 being arranged in terminal component 20A, 20B, as long as can be with Non-solder mode is electrically connected to the mode of lead 30, then can be using the slit or otch of any shape.

Additionally, the first supporting part 44 on switch case 40, and the front end of lead 30 is consolidated from upper press-in Fixed mode is because simple and reliable and preferred, but it is also possible to using only from by the way of the front end of following supporting wire 30 Or only insert the mode of the front end of lead 30.

Additionally, the structure on terminal component 20A, 20B to be fixed to switch case 40, under second The elastic force that the deformation of lappet 23 is produced is because simple and preferred, but it is also possible to be locked to terminal component using setting The lock pawl of switch case 40, or the only mode of a part for press-in terminal component.Additionally, in order that terminal The fixation of part 20A, 20B is relatively reliable, preferably makes the first dip portion 22 same with the second dip portion 23 Ground turns into slight curving shape, can be fixed to the groove portion 46a of switch case 40.

Claims

1. a kind of button switch, including：Switch case, the switch case has bottom surface and side, upper Face has opening portion；Soft button, the soft button is in the switch case to block State opening portion；Switch element, switch element configuration is being formed by the switch case and the button In space, there is operating portion on top, while having the multiple connection terminals for extending downwards；Terminal component, The terminal component is electrically connected to the connection terminal；And lead, the lead is electrically connected to the terminal Part, it is characterised in that

The terminal component has planar portions and the first dip portion, and the planar portions are formed with non-solder mode The first connecting portion of the connection terminal is connected, first dip portion is sagging from one end of the planar portions, And it is formed with the second connecting portion that the lead is connected in non-solder mode,

The switch case has patchhole, the first supporting part and the second supporting part, and the patchhole is formed in The side, for the lead to be inserted into the space, the first supporting part support insertion is described The lead in space, second supporting part supports the planar portions of the terminal component.

2. button switch according to claim 1, it is characterised in that the switch case has inserts embedding The groove portion of first dip portion.

3. button switch according to claim 1, it is characterised in that the terminal component has from institute The second sagging dip portion of the other end of planar portions is stated, the switch case has fixation second dip portion Fixed part.

4. button switch according to claim 2, it is characterised in that the terminal component has from institute The second sagging dip portion of the other end of planar portions is stated, the switch case has fixation second dip portion Fixed part.

5. button switch according to claim 1, it is characterised in that the first connecting portion has Around cut on three directions and turn into the tongue piece of cantilever beam shape, the tongue piece is bent into and slopes slightly downward.

6. button switch according to claim 1, it is characterised in that the second connecting portion have with The core line diameter of the lead longitudinal slit slightly narrow compared to width.

7. button switch according to claim 1, it is characterised in that the switch case has guiding Wall, the planar portions have the notch that the guiding wall is partially embedded into.

8. button switch according to any one of claim 1 to 7, it is characterised in that the switch Housing has the resin filled chamber for being arranged to surround the patchhole, and the resin filled chamber is filled with resin.