CN1144298A

CN1144298A - Lock for sliding door and window

Info

Publication number: CN1144298A
Application number: CN 95109078
Authority: CN
Inventors: 杨捷锷
Original assignee: YANG JIE ER
Current assignee: YANG JIE ER
Priority date: 1995-08-28
Filing date: 1995-08-28
Publication date: 1997-03-05

Abstract

The present invention belongs to a locking device for sliding door and window. It includes lock body and lock catch. Said lock body has a notch, and the lower portion of the notch has a hinged lock hook, and in the notch an elastic press-plate releasing mechanism is placed, and said elastic press-plate releasing mechanism and lock body are movably connected, and its upper portion is equipped with a press plate matched with an elastic body with upward elastic force, and its lower portion is matched with the lock hook, and the press plate is pressed, the lock hook can be released from the lock catch. Said invention is low in cost, beautiful, suitable for use on the door and window frames made of aluminium section material or plastic section material.

Description

Lock for sliding door and window

The invention belongs to the locking means of lock for slide door or window, particularly adopt by pressing board and drive mechanism's mode that latch hook is thrown off snap close.

Existing lock for slide door or window, Chinese patent is arranged: 88206587.4,92207008.0 and 93217822.7 etc., its structure is that a movable lock body is fixedly sliding up and down on the lock body, latch hook and snap close cooperate the form that interlocks up and down, and the weak point of such lock is: lock body is oversize, are provided with pin, groove, pit of positioning and guiding etc., when the expense material was taken a lot of work during manufacturing, cost was higher.Next is that the lateral dimension of snap close is wide, lock body is long, window and door frame in the side, front (or back side) will cut roomy or long hole, reduces the intensity of door and window limit frame, when taking a lot of work, decrease intensity, and the dimension of opening of the logical snap close of flank side surface is excessive, not attractive in appearance.When being to use once more, with pulling the moving movable lock body glue hook of hook strip, the frame of pulling again promotes earlier, and action is trouble relatively also.Also have, lock structure and snap close cooperate up and down, and door and window can abovely be prized, and theftproof performance is poor.

The objective of the invention is to simplify the action of unblanking to open the door, and a kind of lock for sliding door and window that can finish unhook in the process of pushing is provided in order to shorten lock body length.

Purpose of the present invention has following technical scheme to finish: it comprises lock body, snap close, lock body has near coal-mine, near coal-mine hinged latch hook down, be provided with the elasticity pressing board near coal-mine and take off latch mechanism, this elasticity pressing board uncoupling rigging connects with lock body is movable, which is provided with pressing board, and sets the elastic body of upper elasticity, cooperate with latch hook down, push pressing board and make latch hook throw off snap close.

Above-mentioned latch hook and lock body can be laterally hinged with, also can be vertically hinged, and set corresponding elasticity pressing board uncoupling rigging.

Above-mentioned elasticity pressing board uncoupling rigging is meant near coal-mine and can compresses on the bullet, and can press and move the mechanism that latch hook rotates the disengagement snap close; It connects with the activity of lock body, can be varied.For example: 1. one of a pressing board stage casing and a connecting rod hinged, connecting rod other end and lock body hinged (this structure is without guiding mechanism); 2. two of pressing board connects through leading the activity of mouth and guide rod or guide groove and slide block with lock body; 3. the both sides of pressing board connect through guide groove and slide block activity with lock body; 4. pressing board divides into that guide pillar and guide hole are movable to be connected; 5. also can cooperatively interact, connect with lock body together with latch hook; Or the like.

Above-mentioned elastic body has compression spring, torsion spring, extension spring, elastomeric material object (rubber, plastics etc.) etc., and it can be located on the guide rod, and under the pressing board, it is first-class also can be located at latch hook, and it can also can be set separately by the one thing dual-purpose of the spring on the latch hook.

Above-mentioned near coal-minely also can have shape of all kinds.But lock body need also split because of installing, assembling.

The present invention promotes to connect together because of adopting elasticity pressing board uncoupling rigging, push to draw, and is convenient naturally, simple.Secondly, lock body length is shorter relatively, and materials are economized, and cost is low; Make the window and door frame cutting young once more, particularly avris snap close port width is flat little, or small sircle hole, has both weakened the intensity damaged condition relatively, and window is little relatively more perfect again, and appearance is smooth, is convenient to clean, and is attractive in appearance.

If adopt the latch hook of lateral rotation effect, then can set collar extension shape snap close, both can make the hole less than normal, can prevent from again to prize on the door and window, antitheft.Or the double-lock hook of employing semicircular arc angular impact face gib head, joining conehead shape snap close, both can prevent to prize on the door and window, have anti-theft feature, flank hole is convenient again, and appearance is attractive in appearance.

Fig. 1 is the structure chart of embodiments of the invention 1

Fig. 2 is the B-B sectional view of Fig. 1

Fig. 3 is the front view of embodiments of the invention 1

Fig. 4 is the horizontal sectional structure chart of embodiments of the invention 2

Fig. 5 analyses and observe vertical structure figure for the C-C of Fig. 4

Fig. 6 analyses and observe vertical structure figure for the D-D of Fig. 4

Fig. 7 is the vertical structure figure of the embodiment of the invention 3

Fig. 8 is vertical sectional structure chart of Fig. 7

Further describe embodiment 1 below in conjunction with accompanying drawing 1,2 and 3: lock body (1) has the near coal-mine of round end cabinet shape handle, the near coal-mine hinged latch hook of middle part downside (2), this latch hook (2) is laterally and lock body pressing board (3) intersects, and can rotate in the limit angle in the guide groove of lock body (1) sidewall.Have projection (4) and outer projection (5) on the latch hook (2).Establish torsion spring (6) on hinged bearing pin, one of torsion spring is pushed down the lock structure, and the other end roof pressure is on the pin ear of lock body.Pressing board two is provided with tappet as sliding in the guide groove (opening) (7) of slide block on the near coal-mine wall of lock body.The middle part is provided with pressure hook piece (8), cooperates with projection (4) on the latch hook.Push pressing board, the pressure hook piece is pressed and is moved projection, and latch hook is moved, and throws off snap close.Unclamp pressing board, torsion spring suppresses latch hook, and promotes bullet on the pressing board.Also can be furnished with outer lock body (9), outer pressing board (10).Also be provided with external pressure hooked scarf (11) on the outer pressing board (10), cooperate, push pressing board and throw off the lock structure with outer projection (5).Snap close (12) is vertical collar extension shape.

Accompanying drawing 4,5 and 6 has been represented embodiment 2: two of pressing boards set compression spring (13), and spring guide, set spring base on the lock body.The near coal-mine wall of lock body is provided with guide groove or guide channel (14).Hinged two latch hooks near coal-mine middle and lower part, two latch hooks interlock up and down down relatively near coal-mine, establish torsion spring (15) on hinged lock shaft, two corresponding separately bullet latch hooks up and down of pressing of torsion spring.All leaving certain gaps uncovered by the economic plans of latch hook are up and down passed through for the long pressure hook piece (16) on the pressing board.Long pressure hook piece (16) and short pressure hook piece (17) are established in the pressing board both sides, the long pressure hook piece side's of depressing latch hook (leading portion), and the short hook briquetting side's of pressing latch hook (back segment), latch hook has hemicycle curve slope gib head.The discount of fastener is cone-shaped (or dried mushroom shape), and the bottom is a buttress shaft shape, cooperates with the circular arc gib head.

Accompanying drawing 7,8 expression examples 3: principal character has: latch hook vertically interlocks hingedly down near coal-mine, vertically rotates.Pin joint deflection lock body one side is provided with to press between two latch hooks and moves gap (18), is provided with wound spring (19) and interlocks outside two latch hooks, and two gib heads respectively have semicircular arc angular impact face, form circular angular impact face mutually.The snap close front is a conehead shape discount, and the bottom is thin, is cylinder.Pressing board two is provided with guide groove, cooperates with guide rod on the lock body.The middle part of pressing board is provided with taper pressure hook piece (20), and taper pressure hook piece is with spring (21) outward, and the pressure between taper pressure hook piece size shape and the latch hook is moved gap (18) and matched.Push pressing board, taper pressure hook piece is compressed into and is moved gap (spring is not compressed into), expands to strut latch hook disengagement snap close.Corresponding with lock body, be provided with outer lock body (being used for exterior side).Outer lock body is provided with outer pressing board, guide peg, spring, spring base etc.Establish external pressure hooked scarf (22) on the outer pressing board, this external pressure hooked scarf (22) also for taper and and latch hook between pressure move the gap and match; The top of the external pressure hooked scarf (22) of taper upward also has pit (23), corresponding with the awl pressure hook piece (20) of inner face (because of size is limited) between the two.Push outer pressing board and can remove latch hook equally.Outer pressing board yet is provided with the lock core (25) that key is opened, and it is big on one side that radius is established in the lower end of lock core, on one side little rotating disk (24).When one side that radius is big is in the near coal-mine limit of housing wall, for lock core is in the lock state; Insert key rotation lock core make big one side of radius of rotating disk (24) be near coal-mine in the time for opening state.

Claims

1, a kind of lock for sliding door and window, comprise lock body (1), snap close (12), lock body has near coal-mine, near coal-mine hinged latch hook (2) down, it is characterized in that: be provided with elasticity pressing board uncoupling rigging near coal-mine, this elasticity pressing board uncoupling rigging and lock body are movable to be connected, and pressing board (3) is arranged on it and set the elastic body of upper elasticity, cooperate with latch hook down, push pressing board and make latch hook throw off snap close.

2, lock for sliding door and window as claimed in claim 1 is characterized in that: above-mentioned latch hook and lock body transverse intersection are hinged, the latch hook lateral rotation, elastic body in the above-mentioned elasticity pressing board uncoupling rigging is a spring (6,15), pressing board is divided into the pressure hook piece and is cooperated with latch hook, and the roof pressure latch hook rotates.

3, lock for sliding door and window as claimed in claim 2, it is characterized in that: above-mentioned latch hook and lock body are hinged at avris, have projection (4,5) and above-mentioned corresponding the contacting of pressure hook piece (8) on the latch hook, above-mentioned spring is the torsion spring (6) on the hinge, pushes down latch hook and keeps going up bullet for one of torsion spring.

4, lock for sliding door and window as claimed in claim 2 is characterized in that: above-mentioned latch hook and lock body are hinged in longitudinal center, and above-mentioned spring is the torsion spring on the latch hook jointed shaft, and above-mentioned pressure hook piece is pressed and touched one of latch hook.

5, lock for sliding door and window as claimed in claim 4, it is characterized in that: above-mentioned latch hook has two to intersect hinged, two of above-mentioned torsion spring respectively is pressed in one of a latch hook, and above-mentioned pressure hook piece is the long pressure hook piece (16) and the short pressure hook piece (17) of both sides, the corresponding respectively two of touching above-mentioned latch hook of pressing.

6, lock for sliding door and window as claimed in claim 1 is characterized in that: above-mentioned latch hook and lock body are vertically hinged, and latch hook vertically rotates, and above-mentioned elastic body is a spring, and above-mentioned pressing board is divided into pressure hook piece (20) and cooperated the passing latch hook to rotate with latch hook.

7. lock for sliding door and window as claimed in claim 6, it is characterized in that: above-mentioned latch hook has relative two, have between two latch hooks to press and move gap (18), and cooperate with above-mentioned pressure hook piece (20), two latch hook peripheral hardware turns (19) interlock the two elasticity, and above-mentioned spring is to be enclosed within the outer compression spring (21) of pressure hook piece.

8, as claim 5 or 7 described lock for sliding door and window, it is characterized in that: the gib head of above-mentioned latch hook is a semicircular arc angular impact face, and above-mentioned snap close is a conehead shape discount.

9, lock for sliding door and window as claimed in claim 8 is characterized in that: also have relative outer lock body, outer pressing board, outer elasticity pressing board uncoupling rigging.