CN101763974B

CN101763974B - Switch for window glass lifter

Info

Publication number: CN101763974B
Application number: CN2010100396176A
Authority: CN
Inventors: 邓方
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-01-07
Filing date: 2010-01-07
Publication date: 2012-06-27
Anticipated expiration: 2030-01-07
Also published as: CN101763974A

Abstract

The invention relates to a switch for a window glass lifter, comprising a base, a shell, a lifting pin mechanism and a button; wherein a static contact and a movable contact blade are arranged on the upper end surface of the base, and a pin which is conductive with the static contact is arranged on the lower end surface of the base; the shell is sleeved outside the base, and an opening is arranged at the upper end part of shell; and the bottom end of the lifting pin mechanism butts against the movable contact blade. The switch is characterized in that the lifting pin mechanism comprises a lifting pin shell and a lifting pin, wherein the upper end of the lifting pin shell extends out of or is positioned at the opening of the shell, and the lower end of the lifting pin shell is provided with a holding chamber; the lifting pin is elastically arranged in the holding chamber and exposes out of the end part that butts against the movable contact blade; and the button is rotatably arranged at the top end of the lifting pin shell. Compared with the prior art, the invention has the advantages that: as the lifting pin mechanism is independent of the button and assembled on the base as an integrated part, the lifting pin is not easy to fall off; and the button is acted on the lifting pin shell, and the lifting pin shell then drives the lifting pin to work, therefore, the operation handfeel is more comfortable, and the lifting pin is more accurate to be positioned.

Description

Glass lifter switch

Technical field

The present invention relates to a kind of automobile and use switch, relate in particular to a kind of switch of lifter for vehicle windscreen.

Background technology

The existing glass lifter switch, employing be four pairs of clapper-type contacts, when connecting corresponding contacts, corresponding glass lifting motor positive and inverse circuit is connected, thereby realizes the up-down of glass.Like the patent No. is Chinese utility model patent " the switch of lifter for vehicle windscreen " (Granted publication number: CN2444805Y) of ZL00232312.5; The inner contact break-make structure that adopts the spring chip of this patent; Product reliability is poor; Fragile, the assembling volume is also bigger, can not satisfy the installation requirement of lifter.

For this reason; The applicant discloses the patent No. that has obtained: (Granted publication number: CN2755762Y), this patent comprises seesaw button, ejector pin, compression spring, pin, base, housing, moving contact contact chip to the Chinese utility model patent " switch of lifter for vehicle windscreen " of ZL200420072779.X, is placed with compression spring in two suspension columns that extend seesaw button bottom; The compression spring bottom is connecting ejector pin; The seesaw button is fastened on housing top, and enclosure interior is placed the moving contact contact chip, and the moving contact contact chip is slideable the contact with ejector pin; Below lower housing portion and the base clamping, base pin is arranged.The seesaw button of borrowing is realized the adjusting of switch.But it is because not satisfactory in this patent to the installation and design of indicator light; Be easy in the assembling process damage; Based on this; The applicant discloses the Chinese utility model patent " a kind of independent switch of lifter for vehicle windscreen " that the patent No. is ZL200920112302.3 again, and (Granted publication number: CN201352520Y), this patent is optimized the layout of lamp socket and indicator light.

Though through for many years improvement design, glass lifter switch sensitivity, assembling agility and functional had many raisings; But still some technical problem needs to solve in the applicant's actual production process: at first; Ejector pin all is to be installed in advance in the button in the present switch, and button needs a special containing cavity of placing ejector pin, makes comparatively inconvenience of moulding; Ejector pin is easy to drop from the ccontaining cavity of button in the assembling process in addition, influences operating efficiency; Secondly, button directly acts on the seesaw movements that ejector pin is realized movable contact spring, and during operation, the button feel is not good enough, and painstaking point is difficult to feel; At last, movable contact spring if not assembling at once of ejector pin is easy to displacement outside being exposed to, influences assembly precision after installing on the base.

Summary of the invention

Technical problem to be solved by this invention is to provide a kind of ejector pin glass lifter switch easy to assembly to the above-mentioned state of the art.

Another technical problem to be solved by this invention provides the good glass lifter switch of a kind of push-botton operation feel.

Another technical problem to be solved by this invention provides the glass lifter switch that a kind of movable contact spring can accurately be located, is difficult for displacement.

The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of glass lifter switch comprises

Base, upper surface are provided with fixed contact and movable contact spring, and the lower surface has the pin with aforementioned fixed contact conducting, and aforesaid movable contact spring can be done cooperating of disconnection and conducting with aforesaid fixed contact;

Housing is sheathed on outside the aforesaid base, and the upper end has opening;

Lifting pin mechanism, bottom and aforementioned movable contact spring offset; And

Button acts on the upper end of aforementioned lifting pin mechanism and then makes lifting pin mechanism drive disconnection and the conducting of movable contact spring with realization movable contact spring and fixed contact,

It is characterized in that

Described lifting pin mechanism comprises

Ejector pin housing, upper end stretch out or are positioned at the opening of said housing, and the lower end has containing cavity; And

Ejector pin flexibly is arranged in the aforesaid containing cavity and exposes the end that offsets with said movable contact spring, and described button then can be located at the top of aforementioned ejector pin housing rotationally.

Described base extends upward and is provided with the linking arm that a pair of each interval is arranged, and described ejector pin housing is arranged between aforesaid two linking arms rotationally.Linking arm can be used for being provided with rotationally the ejector pin housing

Described linking arm is positioned at the base both sides, and described movable contact spring then is limited in the linking arm inboard.Linking arm can also play spacing movable contact spring, and in assembling process, protects the effect of movable contact spring.

Described ejector pin housing outer wall both sides all form limited impression, and accordingly, described button has the ccontaining territory that supplies ejector pin housing upper end to insert, the limiting section that these both sides, ccontaining territory all have the convexity that cooperates with aforementioned limited impression.Button and housing plug-in mounting are accurate, improve packaging efficiency.

Further, described base bottom is provided with a circuit board, and described pin then is located on the aforementioned circuit plate, and the aforementioned circuit plate has the elongated portion of a protuberate basic unit, this elongated portion upper surface be provided with one with the indicator light of pin conducting.

For indicator light light can be emitted as much as possible, the person's of being used vision institute perception, the upper end of said housing has light hole, be provided with in this light hole one can the light of said indicator light be drawn housing the printing opacity piece.

Described printing opacity piece comprises protuberance that exposes housing and the insertion section that is inserted in said light hole, and this bottom, insertion section has the circular groove that cooperates with the indicator light outer surface.Design can emit most of ray-collecting from protuberance like this.

Be convenient to install the printing opacity piece; Both sides, described insertion section have barb; This barb because of and the insertion section between have elasticity because of being formed with a slit, accordingly, the inboard light hole of said housing inner end has the auxiliary section that cooperates with barb with restriction printing opacity piece disengaging light hole.

Further; This switch also comprises a socket support; Described circuit board is located at this socket support upper surface, and described pin then is inserted in the jack of this socket support and stretches out, and; Described housing cooperates with aforesaid socket support and forms an inner space, and said circuit board, movable contact spring and base then are positioned at this inner space.

Compared with prior art; The invention has the advantages that: owing to lifting pin mechanism is independent of button is assembled on the base, make the ejector pin difficult drop-off as integral piece, and; Button acts on the ejector pin housing; Drive ejector pin work again by the ejector pin housing, operating handle is more comfortable, and the ejector pin location is more accurate; During installation, the upper end promptly installs as long as button is located at the ejector pin housing, comes into operation, and is easy for installation, easy to manufacture.

Description of drawings

Fig. 1 is the example structure sketch map.

Fig. 2 is the embodiment decomposition assembling figure.

Fig. 3 is the decomposition assembling figure at another visual angle of embodiment.

Fig. 4 is the decomposition assembling figure of lifting pin mechanism and base among Fig. 2.

Fig. 5 is the upward view of ejector pin housing among Fig. 4.

Fig. 6 is the assembly drawing of printing opacity piece and housing.

Fig. 7 is the structural representation of Fig. 6 middle shell.

Embodiment

Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.

Like Fig. 1, Fig. 2 and shown in Figure 3, the glass lifter switch in the present embodiment comprises base 3, circuit board 4, indicator light 42, housing 2, button 1, lifting pin mechanism 8, rubber sleeve 25 and socket support 5.

Base 3 upper surfaces are provided with fixed contact 7 and movable contact spring 6; The lower surface has the pin 41 with fixed contact 7 conductings; Movable contact spring 6 can be done cooperating of disconnection and conducting with fixed contact 7; Base 3 both sides extend upward 31, two movable contact springs 6 of linking arm that are provided with a pair of each interval layout and are limited in linking arm 31 inboards;

Housing 2 is sheathed on outside the base 3; The upper end has opening 2 and light hole 22, and rubber sleeve 25 is sheathed on this opening 21, plays the dustproof and waterproof effect; Be provided with in the light hole 22 one can the light of indicator light 42 be drawn housing 2 printing opacity piece 9; Printing opacity piece 9 adopts transparent material to make, and printing opacity piece 9 comprises protuberance 94 that exposes housing and the insertion section 95 that is inserted in light hole, and these 95 bottoms, insertion section have the circular groove 91 that cooperates with indicator light 42 outer surfaces.95 both sides, insertion section have barb 92; This barb 92 because of and insertion section 95 between have elasticity because of being formed with a slit 93; Accordingly; Housing 2 inboard light holes 22 inner ends have auxiliary section 24, and this auxiliary section 24 cooperates with barb 92 with restriction printing opacity piece 9 and breaks away from light hole 22, sees Fig. 6 and shown in Figure 7.

In conjunction with Fig. 4 and shown in Figure 5; Lifting pin mechanism 8 comprises ejector pin housing 81, spring 82 and two ejector pins 83, and ejector pin housing 81 is arranged between two linking arms 31 rotationally, and the opening 21 of housing is stretched out in the upper end; The lower end has containing cavity 84; Ejector pin housing 81 outer wall both sides all form limited impression 85, and each ejector pin 83 flexibly is arranged in the containing cavity 84 through spring 82 and exposes the end that offsets with

movable contact spring

6,1 top that can be located at ejector pin housing 81 rotationally of button.Button 1 medial surface has the ccontaining territory 11 that supplies ejector pin housing upper end to insert, the limiting section 12 that these 11 both sides, ccontaining territory all have the convexity that cooperates with limited impression 85.

Button 1 acts on the upper end of ejector pin housing 81 and then makes ejector pin 8 drive the motion of movable contact spring 6 seesaw types to realize the disconnection and the conducting of movable contact spring 6 and fixed contact 7; Be seesaw type during movable contact spring 6 work; Move back and forth 7 of two pairs of fixed contacts, realize the up-down of glass, when button 1 does not receive external force; Then movable contact spring 6 does not contact with two pairs of fixed contacts 7, so glass lifting stops.

Circuit board 4 is located at base 3 bottoms, is located on the circuit board 4 with the pin 41 of fixed contact 7 conductings, and circuit board 4 has the elongated portion 43 of a protuberate basic unit 3, these elongated portion 43 upper surfaces be provided with one with the indicator light 42 of pin 41 conductings.

Socket support 5 is positioned at base 3 bottoms; Circuit board 4 is located at socket support 5 upper surfaces; Pin 41 is inserted in the jack 51 of this socket support and stretches out; Housing 2 cooperates with socket support 5 and forms an inner space, and cooperatively interacting through the abaculus 52 that has the inclined-plane on the installing hole on the housing 23 and the socket support 5 particularly forms, and circuit board 4, movable contact spring 6 and base 3 are positioned at housing 2 and cooperate and form with socket support 5 and fly the inner space.

During assembling; Base and the circuit board assembling that fixed contact will be installed earlier is one, then base and lifting pin mechanism, movable contact spring is assembled into part A, the part A socket support upper end of packing into; Then overlap upper shell; It is fixing that housing is connected with socket support, like a cork button is located at ejector pin housing upper end more at last, promptly accomplishes assembling.Whole assembling process is efficient and convenient, and, movable contact spring be easy to the location, and ejector pin on the base assembling after, difficult drop-off has improved operating efficiency and assembly precision greatly.

Claims

1. a glass lifter switch comprises

Base (3), upper surface are provided with fixed contact (7) and movable contact spring (6), and the lower surface has the pin (41) with aforementioned fixed contact (7) conducting, and aforesaid movable contact spring (6) can be done cooperating of disconnection and conducting with aforesaid fixed contact (7);

Housing (2) is sheathed on outside the aforesaid base (3), and the upper end has opening (21);

Lifting pin mechanism (8), bottom and aforementioned movable contact spring (6) offset; And

Button (1) acts on the upper end of aforementioned lifting pin mechanism (8) and then makes lifting pin mechanism (8) drive disconnection and the conducting of movable contact spring (6) with realization movable contact spring and fixed contact (7),

It is characterized in that

Described lifting pin mechanism (8) comprises

Ejector pin housing (81), upper end stretch out or are positioned at the opening (21) of said housing, and the lower end has containing cavity (84); And

Ejector pin (83) flexibly is arranged in the aforesaid containing cavity (84) and exposes the end that offsets with said movable contact spring (6), and described button (1) then can be located at the top of aforementioned ejector pin housing (81) rotationally.

2. glass lifter switch according to claim 1; It is characterized in that described base (3) extends upward the linking arm (31) that is provided with a pair of each interval layout, and described ejector pin housing (81) is arranged at rotationally between aforesaid two linking arms (31).

3. glass lifter switch according to claim 2 is characterized in that described linking arm (31) is positioned at base (3) both sides, and described movable contact spring (6) then is limited in linking arm (31) inboard.

4. glass lifter switch according to claim 1; It is characterized in that described ejector pin housing (81) outer wall both sides all form limited impression (85); Accordingly; Described button (1) has the ccontaining territory (11) that supplies ejector pin housing upper end to insert, and these both sides, ccontaining territory (11) all have the limiting section (12) of the convexity that cooperates with aforementioned limited impression (85).

5. according to the described glass lifter switch of arbitrary claim in the claim 1～4; It is characterized in that described base (3) bottom is provided with a circuit board (4); Described pin (41) then is located on the aforementioned circuit plate (4); And aforementioned circuit plate (4) has the elongated portion (43) of a protuberate basic unit (3), this elongated portion (43) upper surface be provided with one with the indicator light (42) of pin (41) conducting.

6. glass lifter switch according to claim 5 is characterized in that the upper end of said housing (2) has light hole (22), be provided with in this light hole (22) one can the light of said indicator light (42) be drawn housing (2) printing opacity piece (9).

7. glass lifter switch according to claim 6; It is characterized in that described printing opacity piece (9) comprises protuberance (94) that exposes housing and the insertion section (95) that is inserted in said light hole, bottom, this insertion section (95) has the circular groove (91) that cooperates with indicator light (42) outer surface.

8. glass lifter switch according to claim 7; It is characterized in that both sides, described insertion section (95) have barb (92); This barb (92) because of and insertion section (95) between have elasticity because of being formed with a slit (93); Accordingly, the inboard light hole of said housing (2) (22) inner end has and cooperates the auxiliary section (24) that breaks away from light hole with restriction printing opacity piece (9) with barb (92).

9. glass lifter switch according to claim 5; It is characterized in that this switch also comprises a socket support (5); Described circuit board (4) is located at this socket support (5) upper surface, and described pin (41) then is inserted in the jack (51) of this socket support and stretches out, and; Described housing (2) cooperates with aforesaid socket support (5) and forms an inner space, and said circuit board (4), movable contact spring (6) and base (3) then are positioned at this inner space.