CN202299652U

CN202299652U - Latch bolt reversing device in door lock

Info

Publication number: CN202299652U
Application number: CN201120351039XU
Authority: CN
Inventors: 刘宏
Original assignee: Ningbo Ideal Hardware Locates Co Ltd
Current assignee: Ningbo Ideal Hardware Locates Co Ltd
Priority date: 2011-09-12
Filing date: 2011-09-12
Publication date: 2012-07-04
Anticipated expiration: 2021-09-12

Abstract

The utility model provides a latch bolt reversing device in a door lock, belongs to the technical field of machinery, and solves the problems of complex structure and troublesome operation of the conventional latch bolt reversing device. The latch bolt reversing device is mounted at the upper part of a lock body and comprises a latch bolt, a return spring and a latch bolt planker capable of moving on the lock body, wherein a mounting plate is fixedly connected with the lock body; a latch bolt hole for allowing the latch bolt to penetrate through is formed in the mounting plate; one end of the return spring is fixed on the lock body; the other end of the return spring is fixedly connected with the latch bolt planker; the latch bolt is movably connected with the latch bolt planker; a reversing catch is mounted on the lock body; clamp feet are arranged on two opposite side edges of the reversing catch; a step is arranged on the latch bolt planker on the side edge near the reversing catch; a circular through hole and a vertically arranged arc-shaped through hole, which correspond to the clamp feet, are formed in the lock body; one clamp foot is positioned in the circular through hole; and the other clamp foot is positioned in the arc-shaped through hole and can slide up and down in the arc-shaped through hole. The latch bolt reversing device provided by the utility model has the advantages of simple structure, convenience in operation, and simplicity and convenience in reversing.

Description

Inclined bolt direction changing device in a kind of door lock

Technical field

The utility model belongs to field of mechanical technique, relates to a kind of reversing arrangement, Inclined bolt direction changing device in particularly a kind of door lock.

Background technology

Be installed in the lockset on the door at present, its usually by lock body, be installed in square tongue assembly on the lock body, auxiliary square tongue assembly and tiltedly the tongue assembly constitute.Opening to the branch that L.H.flapped door and R.H.flapped door are arranged of door is locked in a last installation and also divides L.H.flapped door to lock and the branch of R.H.flapped door lock, so the lockset left side or the right of being contained in, must be fit to lockset the requirement that can both install for twice to same.In order to satisfy the site operation installation requirement, the oblique tongue that generally all requires to lock can commutate adapting to not fellow disciple's the direction of opening the door, and existing lockset Inclined bolt direction changing structure is different; The switching-over of the employing length of spring compressed that has, the dismounting panel of lock that pass through that has commutates, the former poor reliability; Influence the lockset functional performance; Latter's complex operation, extremely inconvenient, but also easily lockset is caused damage.

Summary of the invention

The purpose of the utility model is to have the problems referred to above to existing technology, has proposed Inclined bolt direction changing device in a kind of simple in structure, easy to use, door lock that Inclined bolt direction changing is easy.

The purpose of the utility model can realize through following technical proposal: Inclined bolt direction changing device in a kind of door lock; Be installed in lock body top; Comprise oblique tongue, back-moving spring and the oblique tongue drawing plate that can on lock body, move, be fixed with on the described lock body and offer the inclined tongue hole that supplies oblique tongue to pass on installing plate and the described installing plate that described back-moving spring one end is fixed on the lock body; The other end is connected with oblique tongue drawing plate; It is characterized in that, described oblique tongue and tiltedly tongue drawing plate flexible connection, two opposed side edges that switching-over catch and described switching-over catch are installed on the described lock body all have card base; Described oblique tongue drawing plate has step near the side of switching-over catch; Offer the manhole and the vertical arc-shaped through-hole that is provided with that adapt with card base on the described lock body, described one of them card base is positioned at manhole, and another card base is positioned at arc-shaped through-hole and can slides up and down at arc-shaped through-hole.

The switching-over catch is a pin joint with the card base that is positioned at manhole, is moving point with the card base that is positioned at arc-shaped through-hole, makes switching-over catch integral body to rotate around this pin joint.When card base slid into the arc-shaped through-hole lower end, the switching-over catch fixed on step surface, and tiltedly tongue circumferentially fixed in the inclined tongue hole on installing plate and can't rotate this moment; When card base slid into the arc-shaped through-hole upper end, the switching-over catch disengaged with oblique tongue drawing plate, and tiltedly tongue spun off from inclined tongue hole and can freedom circumferentially rotate this moment, thereby reached the purpose of Inclined bolt direction changing.

In above-mentioned door lock, in the Inclined bolt direction changing device, be connected with joint pin between described oblique tongue and the oblique tongue drawing plate, described joint pin one end axially is connected with oblique tongue drawing plate and can circumferentially rotates, the other end and oblique ankyloglossia.When oblique tongue drawing plate pushed out oblique tongue from inclined tongue hole after, tiltedly tongue just can freely rotate around the tie point of joint pin with oblique tongue drawing plate like this, thereby can change the direction of oblique tongue, reached the purpose of Inclined bolt direction changing.

In above-mentioned door lock, in the Inclined bolt direction changing device, all offer bayonet socket on described inclined tongue hole two opposed side edges, have with corresponding fixture block of described bayonet socket and described fixture block on the described oblique tongue side and can circumferentially fix in bayonet socket.When the needs Inclined bolt direction changing, promote oblique tongue through oblique tongue drawing plate, make that the fixture block on the oblique tongue shifts out from bayonet socket, so oblique tongue just can freely commutate; After the Inclined bolt direction changing success, tiltedly tongue makes that under the drive of oblique tongue drawing plate fixture block circumferentially fixes in another bayonet socket, and so oblique tongue just can not produce go to action again.

In above-mentioned door lock, in the Inclined bolt direction changing device, offer strip through-hole on the described lock body, have limited block on the end side surface in the described oblique tongue drawing plate and described limited block is arranged in strip through-hole.So just can be that oblique tongue drawing plate can move stably, guarantee stability.

Compared with prior art; The Inclined bolt direction changing device is installed the switching-over catch in this door lock on lock body; Through change lockset towards and utilize terrestrial gravitation to make the weight of switching-over catch through self; Can fix freely on the different step surfaces of oblique tongue drawing plate and control the stroke of oblique tongue supporting plate, thereby making oblique tongue circumferentially to fix to spin off in the inclined tongue hole on installing plate or from inclined tongue hole freely rotates, and need not dismantle lockset; Also need not can be to oblique tonguing row switch operation by means of other instruments, simple in structure, easy to operate.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is the structural representation of the utility model skew bolt lock when living.

Fig. 3 is the structural representation during Inclined bolt direction changing in the utility model.

Fig. 4 is the structural representation at another visual angle during Inclined bolt direction changing in the utility model.

Among the figure, 1, lock body; 11, strip through-hole; 12, manhole; 13, arc-shaped through-hole; 2, oblique tongue; 21, fixture block; 3, installing plate; 31, inclined tongue hole; 32, bayonet socket; 4, oblique tongue drawing plate; 41, step; 42, limited block; 5, joint pin; 6, back-moving spring; 7, switching-over catch; 71, card base.

The specific embodiment

Below be the specific embodiment of the utility model and combine accompanying drawing, the technical scheme of the utility model is done further to describe, but the utility model is not limited to these embodiment.

Extremely shown in Figure 4 like Fig. 1; The Inclined bolt direction changing device is installed in lock body 1 top in this door lock; Comprise oblique tongue 2, back-moving spring 6 and the oblique tongue drawing plate 4 that can on lock body 1, move, offer strip through-hole 11 on the lock body 1, tiltedly have limited block 42 on the end side surface in the tongue drawing plate 4 and limited block 42 is arranged in strip through-hole 11; So just can be that oblique tongue drawing plate 4 can move stably, guarantee stability.

Offer the inclined tongue hole 31 that supplies oblique tongue 2 to pass on installing plate 3 and the installing plate 3 being fixed with on the lock body 1; Back-moving spring 6 one ends are fixed on the lock body 1; The other end is connected with oblique tongue drawing plate 4, and oblique tongue 2 flexibly connects with oblique tongue drawing plate 4, is connected with joint pin 5 between oblique tongue 2 and the oblique tongue drawing plate 4; Joint pin 5 one ends axially are connected with oblique tongue drawing plate 4 and can circumferentially rotate, and the other end is connected with oblique tongue 2.When oblique tongue drawing plate 4 pushed out oblique tongue 2 from inclined tongue hole 31 after, tiltedly tongue 2 just can freely rotate around the tie point of joint pin 5 with oblique tongue drawing plate 4 like this, thereby can change the direction of oblique tongue 2, reached the purpose of oblique tongue 2 switching-overs.

On 31 liang of opposed side edges of inclined tongue hole, all offer bayonet socket 32, tiltedly have with bayonet socket 32 corresponding fixture blocks 21 and fixture block 21 and can circumferentially fix in bayonet socket 32 on tongue 2 sides.When the oblique tongue 2 of needs commutates, promote oblique tongue 2 through oblique tongue drawing plate 4, make that the fixture block 21 on the oblique tongue 2 shifts out from bayonet socket 32, so oblique tongue 2 just can freely commutate; After oblique tongue 2 commutated successfully, tiltedly tongue 2 made fixture block 21 circumferentially fix in another bayonet socket 32 under the drive of oblique tongue drawing plate 4, and so oblique tongue 2 just can not produce go to action again.

Two opposed side edges that switching-over catch 7 and switching-over catch 7 are installed on lock body 1 all have card base 71; Tiltedly tongue drawing plate 4 has step 41 near the side of switching-over catch 7; Offer the manhole 12 and the vertical arc-shaped through-hole 13 that is provided with that adapt with card base 71 on the lock body 1; One of them card base 71 is positioned at manhole 12, and another card base 71 is positioned at arc-shaped through-hole 13 and can slides up and down at arc-shaped through-hole 13.Switching-over catch 7 is a pin joint with the card base 71 that is positioned at manhole 12, is moving point with the card base 71 that is positioned at arc-shaped through-hole 13, makes switching-over catch 7 integral body to rotate around this pin joint.When card base 71 slid into arc-shaped through-hole 13 lower ends, switching-over catch 7 fixed on 41 on step, and tiltedly tongue 2 circumferentially fixed in the inclined tongue hole 31 on installing plate 3 and can't rotate this moment; When card base 71 slid into arc-shaped through-hole 13 upper ends, switching-over catch 7 disengaged with oblique tongue drawing plate 4, and tiltedly tongue 2 spun off from inclined tongue hole 31 and can freedom circumferentially rotate this moment, thereby reached the purpose of oblique tongue 2 switching-overs.

This lockset is before installing and using; Earlier according to opening of door always adjust oblique tongue 2 towards, under original state, switching-over catch 7 is at step 41 places that himself action of gravity is glided and dropped on the lower end at arc-shaped through-hole 13 places and be resisted against oblique tongue drawing plate 4; Make oblique tongue drawing plate 4 to continue again to move forward; Tiltedly the fixture block on the tongue 2 21 circumferentially fixes in the bayonet socket 32 of inclined tongue hole 31, and tiltedly tongue 2 can't freely rotate, and this moment, back-moving spring 6 was in compressive state; When needs commutate to oblique tongue 2; Earlier whole lockset is rotated 180 degree up or down; That is to say the upper-lower position transposing that makes lockset; The upper and lower side of arc-shaped through-hole 13 also just exchanges; This moment, tiltedly tongue drawing plate 4 catch 7 that still under the effect of back-moving spring 6, will commutate bore against at step 41 places, then made switching-over catch 7 and oblique tongue drawing plate 4 steps 41 places disengage to lock body 1 inner extruding in oblique tongue 2 with hand, and the catch 7 that commutates is at this moment sliding to lower along arc-shaped through-hole 13 by under the eminence under the self gravitation effect; Unclamp oblique tongue 2 then; Tiltedly tongue drawing plate 4 is resisted against the front end place of strip through-hole 11 at the limited block 42 on oblique tongue drawing plate 4 of moving forward under the effect of back-moving spring 6; This moment, tiltedly tongue 2 spun off from inclined tongue hole 31 under the promotion of oblique tongue drawing plate 4; That is to say that the fixture block 21 on the oblique tongue 2 spins off in the bayonet socket 32 of inclined tongue hole 31, so just can freely circumferentially rotate oblique tongue 2; After oblique tongue 2 commutates successfully; After that is to say the fixture block 21 that makes on the oblique tongue 2 and the bayonet socket 32 of inclined tongue hole 31 opposite sides aliging; Again with whole lockset rotate 180 degree be reset to initial configuration and this with hand with oblique tongue 2 to lock body 1 inner extruding, switching-over catch 7 again along 13 landings of landing arc-shaped through-hole and be resisted against step 41 places of oblique tongue drawing plate 4, unclamps oblique tongue 2 again under himself action of gravity; Tiltedly tongue drawing plate 4 moves forward under the effect of back-moving spring 6 until being blocked and can't continue to move forward again by switching-over catch 7; Fixture block 21 on the at this moment oblique tongue 2 just circumferentially fixes in the bayonet socket 32 of inclined tongue hole 31, and tiltedly tongue 2 can't freely rotate, oblique tongue 2 switching-over work completion.

Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.

Claims

1. Inclined bolt direction changing device in the door lock; Be installed in lock body (1) top; Comprise oblique tongue (2), back-moving spring (6) and can go up the oblique tongue drawing plate (4) that moves that be fixed with on the described lock body (1) and offer the inclined tongue hole (31) that supplies oblique tongue (2) to pass on installing plate (3) and the described installing plate (3), described back-moving spring (6) one ends are fixed on the lock body (1) at lock body (1); The other end is connected with oblique tongue drawing plate (4); It is characterized in that, described oblique tongue (2) and tiltedly tongue drawing plate (4) flexible connection, two opposed side edges that switching-over catch (7) and described switching-over catch (7) are installed on the described lock body (1) all have card base (71); Described oblique tongue drawing plate (4) has step (41) near the side of switching-over catch (7); Offer the manhole (12) and the vertical arc-shaped through-hole (13) that is provided with that adapt with card base (71) on the described lock body (1), described one of them card base (71) is positioned at manhole (12), and another card base (71) is positioned at arc-shaped through-hole (13) and can slides up and down in arc-shaped through-hole (13).

2. Inclined bolt direction changing device in the door lock according to claim 1; It is characterized in that; Be connected with joint pin (5) between described oblique tongue (2) and the oblique tongue drawing plate (4), described joint pin (5) one ends axially are connected with oblique tongue drawing plate (4) and can circumferentially rotate, and the other end is connected with oblique tongue (2).

3. Inclined bolt direction changing device in the door lock according to claim 1 and 2; It is characterized in that; All offer bayonet socket (32) on described inclined tongue hole (31) two opposed side edges, have on described oblique tongue (2) side with corresponding fixture block of described bayonet socket (32) (21) and described fixture block (21) and can circumferentially fix in bayonet socket (32).

4. Inclined bolt direction changing device in the door lock according to claim 1 and 2; It is characterized in that; Offer strip through-hole (11) on the described lock body (1), have limited block (42) on the interior end side surface of described oblique tongue drawing plate (4) and described limited block (42) is arranged in strip through-hole (11).