CN206148342U - Rocker switch - Google Patents

Abstract

The utility model provides a rocker switch belongs to the electric switch field. The current rocker switch stationary contact and the problem that the accuracy is not high of movable contact touching have been solved to it. The button of this rocker switch package hinges to be covered last, the upper cover lock is in the shell upper end, the lower extreme of button stretches into interior just swing of shell with the pendulum piece and is connected, the stationary contact is fixed on the connection piece, the movable contact links firmly on the pendulum piece, the mounting groove has been seted up in the shell, the first end of connection piece is fixed in the mounting groove through the terminal, the mounting groove was crossed to the second end span the first side wall and downward bending type become the kink, the first side wall of mounting groove is close to the one side of putting the piece and is equipped with the baffle, the baffle is through the continuous recess that forms of two connecting plates and the lateral surface of the first side wall, the lateral surface that leans on at the first side wall is supported to the inboard of kink upper end, in the kink bottom entry recess and to leaning on on the medial surface of baffle. The touching of this rocker switch is accurate and sensitive, long service life.

Description

A kind of wane type switch

Technical field

The utility model belongs to electric switch field, is related to a kind of wane type switch.

Background technology

The electric switch used on wall is mounted in, is a kind of home decoration function articles for use, be for make-and-break contact The household electrical appliance for using.Broad sense it is conceptive for, the scope that electric product is covered is wider, be generally directed to terminal use provide electricity The equipment of source electrical equipment control, including combined socket and switch, breaker, comprehensive wiring, safety-protection system etc., it is solid also known as architectural electricity annex Fixed, connection or the device general name of opening and closing circuit.

At present in existing rocker switch technology, button, spring, spring housing and seesaw are generally included, button is provided with bullet Spring hole, spring is arranged in spring eye, and spring housing is set on spring and spring housing is resisted against under the action of the spring on seesaw, The seesaw motion of spring housing contact is made by depresses button.But the rocker switch of this structure is in the collision process of contact, seesaw There is relative slip, therefore seesaw easily weares and teares, and electric arc, these all direct shadows are easily produced in the relative slip of seesaw The performance and service life of switch are rung, is that this someone arranges new switch on and off device and replaces seesaw structure, for example Chinese patent【Application number 200520132705.5】Disclose following scheme：Switch on and off device include can with switch housing on By bonded pressing plate and pedestal, there are binding post, movable contact, stationary contact in pedestal, stationary contact is connected with binding post, wherein, should Pendulum, ground strip are also included in pedestal, pressing plate is the cylindrical cavities under panel including panel, changes cavity and stretches in pedestal, chamber Spring, the lower end of spring and the tip contact of pendulum are equipped with vivo, and movable contact is relative with stationary contact position on pendulum, ground connection The bottom for having sulculus, pendulum on piece is placed in sulculus.Above-mentioned construction of switch can be greatly decreased the relative slip of pendulum, and pendulum is not Can wear and tear, it is not easy to be oxidized, improve the service life of switch, but the moment contacted with stationary contact due to movable contact, it is dynamic Contact is to one active force of stationary contact and produces certain impact, and the impulsive force can be ultimately applied to the company for installing stationary contact In contact pin, after permanent use, connection sheet and stationary contact can shake, and can so cause follow-up stationary contact to contact with movable contact Position shifts, and causes both loose contacts, affects the performance and service life of switch.

The content of the invention

The purpose of this utility model is there are the problems referred to above for existing technology, it is proposed that a kind of wane type switch, this Utility model technical problem to be solved is：How to prevent stationary contact from rocking accurate with what movable contact was touched to improve stationary contact Degree, improves the performance of switch.

The purpose of this utility model can be realized by following technical proposal：A kind of wane type switch, including it is Shang Gai, outer Shell, button, pendulum, movable contact, stationary contact and connection sheet, the button is hinged on lid, and the upper cover buckle is closed on shell End, the lower end of the button is stretched into inside the shell and is swung with pendulum and is connected, and the stationary contact is fixed in connection sheet, described dynamic tactile Point is connected on pendulum and can contact or separate with the stationary contact with the swing of pendulum, it is characterised in that the shell Mounting groove is inside offered, the first end of the connection sheet is fixed in mounting groove by binding post, the second end of the connection sheet Across mounting groove the first side wall and be bent to form kink downwards, the first side wall of the mounting groove sets near the side of pendulum There is baffle plate, the baffle plate is connected to form groove by two pieces of connecting plates and the lateral surface of the first side wall, on the kink The lateral surface of the first side wall is resisted against on the inside of end, the inner side of baffle plate is inserted in the groove and be resisted against in the kink lower end On face.

Wane type switch of the present utility model replaces traditional seesaw structure using pendulum, is hinged on upper lid by pressing Button stir pendulum and make pendulum reciprocally swinging, the movable contact on such pendulum can be with the stationary contact reality being arranged in connection sheet Now contact or separate, be so capable of achieving the closed and disconnected of circuit breaker in middle.In the utility model, the first end of connection sheet It is fixed on the first side wall of mounting groove by binding post, and is mixed after the second end bending of connection sheet in groove, is so connected The two ends of piece are fixed respectively, and another kink upper end is resisted against the lateral surface of the first side wall, and another kink lower end is resisted against gear The medial surface of plate, so further prevents connection sheet from rocking, and by said structure, the mounting stability of connection sheet is more preferable, more resistant to The impact of movable contact, so can effectively ensure that accuracy and validity that stationary contact contacts with movable contact, improve switch disconnected The stability that open and close are closed, makes switch contact good, and practicality is improved.

In a kind of above-mentioned wane type switch, the stationary contact is connected in the upper end of kink, and the baffle plate upper end sets The upper edge for having gear edge, the gear edge is less than stationary contact lower end to the distance of outer casing bottom, the gear edge to the distance of outer casing bottom Spigot surface is provided with the inside of upper end.By arranging gear edge in baffle plate upper end, and spigot surface is set, facilitates the bending of connection sheet Portion inserts groove, convenient for assembly, and further prevents kink lower end when being impacted by movable contact from groove by gear edge Interior ejection, it is ensured that the stability of the position of stationary contact so that contact of the stationary contact with movable contact is more accurate, stable；In addition, gear Contact with stationary contact along obstruction movable contact along gear is prevented from less than stationary contact.

In a kind of above-mentioned wane type switch, the both sides in the middle part of the connection sheet have along the setting of connection sheet width Convex edge, slot to make way is offered on the first side wall, the convex edge is connected in the slot to make way one.By arranging convex edge, And it is snapped in the slot to make way one on the first side wall, can effectively prevent connection sheet from shaking, it is ensured that connection sheet is stablized Property, so as to ensure accuracy and stability that stationary contact contacts with movable contact.

In a kind of above-mentioned wane type switch, the binding post includes trip bolt and hollow locating dowel, the company The first end of contact pin bends downwards and inserts in the locating dowel, and the trip bolt passes through locating dowel side wall by the company The first end of contact pin is fixed on the madial wall of locating dowel.The first end of connection sheet is fixed on by locating dowel by trip bolt It is interior so as to stablize the position of the first end of connection sheet, it is to avoid it shakes, affect the position of wiring and stationary contact.

In a kind of above-mentioned wane type switch, the wane type switch also include ground strip, the lower end of the pendulum with Ground strip is against the bottom of shell is provided with guide pad, and the guide pad is located at one end of ground strip, offers on the guide pad V-shaped groove, the lower end of the pendulum leans with the bottom of V-shaped groove.By arranging guide pad so that pendulum can be according to guide pad On the amplitude of V-shaped groove swung in ground strip upper surface, prevent pendulum from skidding on ground strip, it is ensured that what pendulum swung Stability so that the movable contact on pendulum can preferably be contacted or separated with stationary contact, improves stationary contact and connects with movable contact Tactile accuracy and stability.

In a kind of above-mentioned wane type switch, the lower end of the pendulum is wedge-shaped part, on the upper surface of the ground strip It is provided with some and perpendicular bar-shaped trough of pendulum.By arranging bar-shaped trough in ground strip upper surface, pendulum lower end is reduced with ground connection The frictional resistance of piece, is set to wedge shape by the lower end of pendulum in the same manner, and further reducing friction resistance so can be avoided because of friction Resistance is excessive to cause pendulum to be shifted in ground strip upper surface, it is ensured that the swing stability of pendulum, improves stationary contact and touches with dynamic The touching accuracy of point.

In a kind of above-mentioned wane type switch, the pendulum is L-shaped, and movable contact is fixed in the setting section of pendulum, institute The upper end for stating the traversing section of pendulum offers gathering sill, and the lower end of the button is snapped in gathering sill.By arranging gathering sill, make The lower end of button snaps in gathering sill, and the swing of such pendulum is consistent with the swaying direction of button, will not shift, and improves The stability that pendulum swings.

In a kind of above-mentioned wane type switch, the rectangular tubular in lower end of the button and spring eye is offered, it is described Spring is installed, the spring upper end is with spring eye bottom against the lower end of the spring is embedded in the gathering sill in spring eye. By arranging two gathering sills, the two side of button lower end can be carried out spacing, the position for preventing button lower end and pendulum is sent out Raw movement, improves the stability that pendulum swings.

In a kind of above-mentioned wane type switch, the button lower end includes vertical with pendulum swaying direction side wall one With side wall two, slot to make way two is offered on the side wall one and side wall two, the upper end of the traversing section of the pendulum can allow Swing in the groove two of position.By arranging slot to make way two on side wall one and side wall two so that pendulum can smoothly swing.

Compared with prior art, a kind of wane type switch of the present utility model has advantages below：1st, by the of connection sheet Two ends are also secured in groove, improve the stability of connection sheet so that the position of stationary contact keeps stable, make stationary contact with Movable contact contact is more accurate；2nd, by arranging gear edge, the kink that can more effectively place connection sheet is ejected from groove, this Kink is inserted groove by outer also convenience in assembling；3rd, by arranging guide pad so that the direction that pendulum swings is stablized, and Make the wedge shaped structure in lower end of pendulum, ground strip upper surface arrange bar-shaped trough to reduce friction, improve pendulum and swing stability, So as to improve contact accuracy of the stationary contact with movable contact；4th, gathering sill is opened up on pendulum so that pendulum is with button lower end not Skew in addition to swing can occur, pendulum swings more stable.

Description of the drawings

Fig. 1 is the structural representation of wane type switch of the present utility model.

Fig. 2 is the top view after covering on wane type switch of the present utility model is removed.

Fig. 3 is the A-A profiles of Fig. 2.

Fig. 4 is the structural representation that lid and the wane type switch after button are removed in the utility model.

Fig. 5 is the structural representation of shell of the present utility model.

Fig. 6 is enlarged drawing at B in Fig. 5.

Fig. 7 is the cooperation of button of the present utility model, stationary contact, connection sheet, pendulum, movable contact, ground strip and binding post Relation schematic diagram.

Fig. 8 is enlarged drawing at C in Fig. 7.

In figure, cover on 1；2 shells；3 buttons；4 pendulums；4a wedge-shaped parts；4b erects section；4c traversing sections；5 movable contacts；6 stationary contacts Point；7 connection sheets；7a first ends；The ends of 7b second；7c kinks；7d convex edges；8 ground strips；9 mounting grooves；9a the first side walls；10 connect Terminal；10a trip bolts；10b locating dowels；11 baffle plates；11a keeps off edge；11b spigot surfaces；12 connecting plates；13 grooves；14 slots to make way One；15 guide pads；16V shape grooves；17 bar-shaped troughs；18 gathering sills；19 side walls one；20 side walls two；21 slots to make way two；22nd, spring eye； 23 springs.

Specific embodiment

The following is specific embodiment of the utility model and combine accompanying drawing, further is made to the technical solution of the utility model Description, but the utility model is not limited to these embodiments.

As Figure 1-Figure 4, this wane type switch includes upper lid 1, shell 2, button 3, pendulum 4, movable contact 5, stationary contact 6th, connection sheet 7 and ground strip 8, button 3 is hinged on lid 1, and upper lid 1 is fastened on the upper end of shell 2, and the lower end of button 3 is stretched into outward Swing in shell 2 and with pendulum 4 and be connected, movable contact 5 is connected on pendulum 4.When push button 3 when, because button 3 is hinged on upper lid On 1, the one of the upper end of button 3 is sloped downwardly, and opposite side is upwarped, and the side that the lower end of button 3 upwarps in the upper end of button 3 Swing, being so connected to the pendulum 4 of the lower end of button 3 will swing, the movable contact 5 on pendulum 4 will with it is corresponding Stationary contact 6 is contacted or separated.

Specifically, as shown in Figure 5, Figure 6, the lower end of pendulum 4 leans with the upper surface of ground strip 8, opens up in shell 2 First end 7a for having mounting groove 9, connection sheet 7 is fixed in mounting groove 9 by binding post 10, the second end 7b of connection sheet 7 across The first side wall 9a of mounting groove 9 is simultaneously bent to form downwards kink 7c, and the both sides in the middle part of connection sheet 7 are respectively provided with wide along connection sheet 7 The convex edge 7d that degree direction is arranged, offers slot to make way 1 on the first side wall 9a, convex edge 7d is connected in slot to make way 1.Stationary contact Point 6 is connected in the upper end of kink 7c, and the first side wall 9a of mounting groove 9 is provided with baffle plate 11 near the side of pendulum 4, and baffle plate 11 leads to Cross two pieces of connecting plates 12 and be connected to form groove 13 with the lateral surface of the first side wall 9a, kink 7c is resisted against first on the inside of upper end The lateral surface of side wall 9a, kink 7c lower ends insertion groove 13 is interior and is resisted against on the medial surface of baffle plate 11.The upper end of baffle plate 11 sets There is gear along 11a, keep off the distance along the upper edge of 11a to the bottom of shell 2 and be less than the lower end of stationary contact 6 to the distance of the bottom of shell 2, keep off edge 11a is prevented from keeping off and hinders movable contact 5 to contact with stationary contact 6 along 11a less than stationary contact 6.Gear is provided with the inside of 11a upper ends Spigot surface 11b can facilitate the kink 7c of connection sheet 7 to insert groove 13, convenient for assembly.In addition one can also be entered along 11a by gear Step prevents the lower end of kink 7c from ejecting from groove 13 when being impacted by movable contact 5, it is ensured that the position of stationary contact 6 it is steady It is qualitative, make the contact with movable contact 5 of stationary contact 6 more accurate, stable.

Binding post 10 includes trip bolt 10a and hollow locating dowel 10b, the first end 7a bending downwards of connection sheet 7 and In insertion locating dowel 10b, first end 7a of connection sheet 7 is fixed on locating dowel by trip bolt 10a through locating dowel 10b side wall On the madial wall of 10b.So first end 7a of connection sheet 7 and the second end 7b can be fixed, and connection sheet 7 is by movable contact Will not shake after 5 impact, good stability, it is ensured that the stationary contact 6 installed thereon can be contacted accurately with movable contact 5, Be conducive to improving switching stability.

As shown in Figure 4 and Figure 5, the bottom of shell 2 is provided with guide pad 15, and guide pad 15 is located at one end of ground strip 8, is oriented to V-shaped groove 16 is offered on block 15, lower end and the bottom of V-shaped groove 16 of pendulum 4 lean.The lower end of pendulum 4 is wedge-shaped part 4a, is connect The upper surface of ground piece 8 is provided with some and perpendicular bar-shaped trough 17 of pendulum 4.By adopt lower end for wedge-shaped part 4a pendulum 4 And bar-shaped trough 17 is set in the upper surface of ground strip 8, and can make to swing friction reduction between the lower end of pendulum 4 and ground strip 8, have Beneficial to the swing of pendulum 4.Certainly the lower end of pendulum 4 can also adopt arc-shaped convex structure to reduce friction.

As shown in Figure 7 and Figure 8, the rectangular tubular in the lower end of button 3, the lower end of button 3 includes hanging down with the swaying direction of pendulum 4 Straight side wall 1 and side wall 2 20, offer slot to make way 2 21 on side wall 1 and side wall 2 20, pendulum 4 is L-shaped, move and touch Point 5 is fixed in setting section 4b of pendulum 4, and the upper end of the traversing section 4c of pendulum 4 offers gathering sill 18, and the lower end of button 3 is opened It is provided with spring eye 22, the spring eye 22 and spring 23 is installed, the upper end of spring 23 is with the bottom of spring eye 22 against spring 23 Lower end is embedded in gathering sill 18, and the upper end of the traversing section 4c of pendulum 4 can swing in slot to make way 2 21.

Specific embodiment described herein is only explanation for example to the utility model spirit.The utility model institute Category those skilled in the art can make various modifications to described specific embodiment or supplement or using similar Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.

Claims (9)

1. a kind of wane type switch, including upper lid (1), shell (2), button (3), pendulum (4), movable contact (5), stationary contact (6) With connection sheet (7), the button (3) is hinged on lid (1), and the upper lid (1) is fastened on shell (2) upper end, the button (3) lower end is stretched in shell (2) and is swung with pendulum (4) and is connected, and the stationary contact (6) is fixed in connection sheet (7), described Movable contact (5) is connected on pendulum (4) and can contact or separate with the stationary contact (6) with the swing of pendulum (4), and it is special Levy and be, mounting groove (9) is offered in the shell (2), the first end (7a) of the connection sheet (7) is solid by binding post (10) Be scheduled in mounting groove (9), second end (7b) of the connection sheet (7) across mounting groove (9) the first side wall (9a) and be turned under Folding forms kink (7c), and the first side wall (9a) of the mounting groove (9) is provided with baffle plate (11), institute near the side of pendulum (4) State baffle plate (11) and groove (13) is connected to form by two pieces of connecting plates (12) and the lateral surface of the first side wall (9a), it is described curved The lateral surface of the first side wall (9a) is resisted against on the inside of folding part (7c) upper end, the groove is inserted in kink (7c) lower end (13) in and be resisted against on the medial surface of baffle plate (11).

2. according to a kind of wane type switch described in claim 1, it is characterised in that the stationary contact (6) is connected in kink (7c) upper end, baffle plate (11) upper end is provided with gear along (11a), the gear along the upper edge of (11a) to shell (2) bottom away from From less than stationary contact (6) lower end, to a distance from shell (2) bottom, the gear is provided with spigot surface on the inside of (11a) upper end (11b)。

3. according to a kind of wane type switch described in claim 2, it is characterised in that the both sides in the middle part of the connection sheet (7) have Along the convex edge (7d) that connection sheet (7) width is arranged, slot to make way one (14) is offered on the first side wall (9a), it is described convex It is connected in the slot to make way one (14) along (7d).

4. according to a kind of wane type switch described in claim 1 or 2 or 3, it is characterised in that the binding post (10) is including fastening Screw (10a) and hollow locating dowel (10b), the first end (7a) of the connection sheet (7) bends downwards and inserts the positioning In post (10b), the trip bolt (10a) passes through the locating dowel (10b) side wall by the first end (7a) of the connection sheet (7) It is fixed on the madial wall of locating dowel (10b).

5. according to a kind of wane type switch described in claim 1 or 2 or 3, it is characterised in that the wane type switch also includes connecing Ground piece (8), the lower end of the pendulum (4) and ground strip (8) are against the bottom of shell (2) is provided with guide pad (15), the guiding Block (15) offers V-shaped groove (16) on one end of ground strip (8), the guide pad (15), the lower end of the pendulum (4) with The bottom of V-shaped groove (16) leans.

6. according to a kind of wane type switch described in claim 5, it is characterised in that the lower end of the pendulum (4) is wedge-shaped part (4a), the upper surface of the ground strip (8) is provided with some and perpendicular bar-shaped trough (17) of pendulum (4).

7., according to a kind of wane type switch described in claim 6, it is characterised in that the pendulum (4) is L-shaped, movable contact (5) is solid It is scheduled in the setting section (4b) of pendulum (4), the upper end of the traversing section (4c) of the pendulum (4) offers gathering sill (18), described The lower end of button (3) is snapped in gathering sill (18).

8. according to a kind of wane type switch described in claim 7, it is characterised in that the rectangular tubular in lower end of the button (3) And spring eye (22) is offered, the spring eye (22) is interior to be provided with spring (23), spring (23) upper end and spring eye (22) bottom is against the lower end of the spring (23) is embedded in the gathering sill (18).

9. according to a kind of wane type switch described in claim 8, it is characterised in that button (3) lower end is included and pendulum (4) the vertical side wall one (19) of swaying direction and side wall two (20), offer on the side wall one (19) and side wall two (20) Slot to make way two (21), the upper end of the traversing section (4c) of the pendulum (4) can swing in slot to make way two (21).