CN2454500Y - Key-closing type three-direction insertion-bolt door lock - Google Patents

Abstract

The utility model relates to a key-closing type three-direction insertion-bolt door lock comprising a shell body (1), a rotary part (30), a wind tongue (11), a transverse lock bolt (4), an upper lock bolt (2), a lower lock bolt (15) and a locking head (16). The utility model is characterized in that the door lock is provided with a locking piece (37) which can move up and down, a straight edge (36) approaching the transverse lock bolt and a block (38) extending into a concave groove of the locking piece are arranged above the locking piece, and the locking head (18) and the locking piece act on each other; a pin shaft (32) is provided with a dialing plate (22) and a swinging clamping piece (29) approaching the dialing plate with a bevel edge (24), and the clamping piece is provided with a stop block (28) acting on the locking piece mutually. The key is rotated to force the locking piece to move downward and to force the transverse lock bolt to spring out, and the key can be turned reversely, so the clamping piece can swing and the locking piece springs out, and thus the transverse lock bolt can not retract, and therefore, the lock and the door can be opened if only the key is rotated at a small angle.

Description

Spoon enclosed Three-bearing mortise door lock

The utility model relates to lock, particularly uses the lock of key.

The lock that is used for security door or security doors such as storehouse, workshop now, the all more complicated of opening the door of locking a door are generally used stick control wind tongue, and are used key-operated locking bolt, want first key that locking bolt is stretched out when locking a door, and then change key locking bolt is pinned, to make key change for two weeks at least and just can finish, also need change for two weeks when opening the door, therefore very time-consuming, the keyhole surface of existing its tapered end of door lock all is higher than the surface of door simultaneously, and is easily destroyed, dangerous.

The purpose of this utility model provides a kind ofly can handle the spoon enclosed Three-bearing mortise door lock that locking bolt will lock or open with 90 ° of key turns with interior.

The purpose of this utility model realizes by following technical scheme, spoon enclosed Three-bearing mortise door lock, has housing, rotating part, be loaded on the handle in the rotating part, the wind tongue, the wind tongue spring that the wind tongue is ejected, the cross locking bolt, last locking bolt, following locking bolt, tapered end, it is characterized in that long driving lever and driving lever are arranged on the rotating part, pilot pin in the guide groove that stretches into shell is arranged on the said cross locking bolt, also have and make the cross locking bolt eject the spring of housing, be fixed in the left guide plate and the right guide plate of shell, on said, following locking bolt is on a left side, slide between right guide plate, between last locking bolt and cross locking bolt trundle and push/pull slot are arranged, be fixed in housing the axle on rotating gear is arranged, gear and last, relative tooth bar is meshed on the following locking bolt, pass dialing part on the axle in addition, pass on the dialing part wind tongue shift fork and shift fork are arranged, wind tongue shift fork is abutted against mutually with the wind tongue, shift fork is abutted against mutually with the driving lever of said rotating part, also has a locking piece that can move up and down in the housing, makes its bullet spring upward, be fixed in the pivot pin of housing, locking piece has slotted hole to pass this pivot pin and can limit the position of locking piece, and tapered end has dialing part, and dialing part is abutted against mutually with locking piece and can be with its downward pulling, block and the straight flange that can be abutted against mutually with its end when the cross locking bolt stretches out in the groove that can stretch into the cross locking bolt arranged at the top of locking piece, the locking bolt sidelong of block stretches out case side and has the inclined-plane, and the position-limit mechanism of locking piece is housed on pivot pin, comprises swinging plate moving up and down, rotating fastener and make the spring of fastener bullet on pivot pin to the housing inboard, the lower end of fastener has hypotenuse, has the right angle crimp in the lower end of swinging plate, and is porose on the crimp, hypotenuse on the fastener is abutted against mutually with the hole side, also has the scotch of doing mutually with the projection of locking piece on the fastener.

Spoon enclosed Three-bearing mortise door lock of the present utility model, opening the door when not locking a door closes the door uses the wind tongue that often stretches out, and available handle makes the withdrawal of wind tongue, when locking a door, only need to insert key turns one angle (generally being not more than 90 °), as among Fig. 1 for clockwise rotating key, locking piece can be moved down, and block is thrown off the groove of cross locking bolt and the cross locking bolt ejects, and on driving, following locking bolt together ejects, this moment is not with door locked, the turning handle driving lever can make cross locking bolt withdrawal and by the inclined-plane of the block of its end face contact locking piece block and locking piece be depressed, block enters the groove of cross locking bolt and makes the cross locking bolt be in retracted position again, after key is stretched out the cross locking bolt as described above, reverse again (as being counterclockwise among Fig. 1) key, it is up that then dialing part promotes swinging plate, its hole act on mutually with the hypotenuse of fastener and fastener laterally rotated thus fastener on block and the dislocation of the projection on the locking piece and locking piece pops up and the end face of its straight flange and cross locking bolt is abutted against mutually, door locked then, this moment is because the cross locking bolt stretches out locking, handle can not rotate, therefore the wind tongue also stretches out, key can be dialled down simultaneously, when unblanking, clockwise rotating key equally can be shifted locking piece downwards, simultaneously swinging plate also moves down and fastener resets, the scotch of the protruding stuck part of this locking piece location and locking piece is no longer upspring, door is not locked, can open the door, therefore key is only just needing, reverse turn one low-angle (for example 45 °) can open the door and lock a door, very convenient, owing to have the position-limit mechanism of locking piece, locking piece can not be upspring because the block of fastener acts on mutually with projection on the locking piece when key not, so can only key just can lock a door, and position-limit mechanism also can use handle to rotate can to make the cross locking bolt to withdraw again and no longer stretch out.

Below in conjunction with drawings and Examples spoon enclosed Three-bearing of the present utility model being inserted the ostium lock is explained in detail.

Fig. 1 is that the utility model spoon enclosed Three-bearing is inserted ostium and is locked in locking bolt when not stretching out and the structural representation of wind tongue when also being withdrawn by handle;

Fig. 2 is that the utility model spoon enclosed Three-bearing is inserted ostium and is locked in that locking bolt stretches out and the structural representation when locking;

Fig. 3 is that the utility model spoon enclosed Three-bearing is inserted the sectional view of ostium lock along A-A among Fig. 1;

Fig. 4 is the view of facing of the utility model spoon enclosed Three-bearing profile of inserting the ostium lock;

Fig. 5 be the utility model spoon enclosed Three-bearing insert the ostium lock along B among Fig. 4 to view.

As Fig. 1 Fig. 2 Fig. 3, this spoon of enclosed Three-bearing is inserted the ostium lockset a housing 1, housing 1 can be made up of housing and the removable case lid of a side, rotating rotating part 35 is housed in the housing 1, handle 34 is housed in the square hole of rotating part 35, long driving lever 41 and driving lever 33 are arranged on the rotating part, also have wind tongue 13 and cross locking bolt 4 in the housing, they are by extended housing in the hole separately, the same side of housing, also have locking bolt of going up 2 and following locking bolt 17, can stretch out housing by the upper surface and the lower surface of housing, wind tongue 13 slides in the mating holes of the Kong Zhongyu of fixed guide 16 housing, wind tongue spring 15 makes its strong point in the position of stretching out housing and by 25 location of the alignment pin on the wind tongue, cross locking bolt 4 parallels with the wind tongue, there is pilot pin 40 to stretch in the guide groove 45 of sidewall of shell on its bar and forms guide rail and can in housing, locate outside the mobile and extended housing and with guide groove 45 length with the hole of stretching out of cross locking bolt 4 and housing, spring 44 acts on and makes cross locking bolt 4 eject housing on the pilot pin 40, on shell, be fixed with left guide plate 3 and right guide plate 42, last locking bolt 2 and following locking bolt 17 are on a left side, slide between right guide plate, 4 on last locking bolt 2 and cross locking bolt have drive lock 5 and push/pull slot 6, when cross locking bolt 4 stretches out or withdraws housing, can drive that locking bolt 2 also stretches out or the housing of withdrawing, on the last locking bolt 2 tooth bar 12 is arranged, on the following locking bolt 17 tooth bar 11 is arranged, two tooth bars are relative, the axle 9 that is fixed in housing is arranged between tooth bar, on the axle 9 rotating gear 10 is arranged, gear 10 is meshed with tooth bar 12 and tooth bar 11 respectively at the two ends of diameter, so when last locking bolt 2 stretches out or withdraws housing, can drive down that locking bolt 17 stretches out simultaneously or the housing of withdrawing, also has rotating biography dialing part 8 on the axle 9, pass on the dialing part 8 wind tongue shift fork 14 and shift fork 7 are housed, wind tongue shift fork 14 acts on mutually with the wind tongue, and shift fork 7 acts on mutually with the driving lever 33 of rotating part 35, when working as wind tongue and horizontal stroke as shown in Figure 2, on, when following locking bolt all is in extended position, (locking piece 37 not bullet to upper) to up time turning handle 34, then can make them together withdraw in the housing as the figure position, opposite side at the cross locking bolt in housing has locking piece 37, it is a microscler plate, and the bottom curves the crimp at right angle, porose being through on the guide rod 20 that is fixed on the housing on the crimp, and there is spring 19 that it is popped up, the intermediate portion has slotted hole to be through to be fixed on the shaft lock 32 on the housing and forms guide rail and limit on it, upper/lower positions, the upper end of locking piece 37 have the block 38 that stretches out, and block one side has inclined-plane 39, opposite side is a straight flange, block can stretch in the groove of cross locking bolt, faces directly with facing directly of groove with it and matches and the cross locking bolt is positioned and can not eject, when the cross locking bolt stretches out housing, when turning handle makes it withdrawal, the cross locking bolt acts on mutually with the inclined-plane 39 of block 38 and locking piece 37 is moved down, and block enters groove the cross locking bolt is no longer ejected when locking piece rebounds again, and locking piece 37 is inboard to also have straight flanges 36, when cross locking bolt 4 stretches out, and locking piece 37 bullets are when upper, and straight flange 36 is abutted against (as Fig. 2) mutually with the inner face of cross locking bolt 4 and the cross locking bolt can not be withdrawn and locks, and the dialing part 21 of tapered end 18 acts on the crimp of locking piece, locking piece 37 is moved down and cross locking spare 4 is decontroled when clockwise rotate tapered end as Fig. 1, on pivot pin 32, also have the position-limit mechanism of locking piece 37, comprise dialing part 30, swinging plate 22, around pivot pin 32 rotating fasteners 29, make the spring 31 of fastener bullet to the housing inboard, the lower end of swinging plate 22 and top have the right angle crimp, and the top crimp can lean on pivot pin and locate mutually, one through hole 23 is arranged on the crimp of bottom, when tapered end 18 changes counterclockwise, the distance that swinging plate 22 can be moved up, the lower end of fastener 29 has inclined-plane 24 and stretches in the hole 23 of swinging plate 22 and be abutted against mutually with the side in hole, also has scotch 28 on the fastener, projection 27 is arranged on the locking piece 37, and projection 27 act on scotch 28 mutually by the slotted hole 26 on the swinging plate 22, and is against the limit portion of slotted hole 26 by protruding 27 and to drive swinging plate 22 descending when locking piece 37 is descending.

The effect of this door lock and its position-limit mechanism is, when the block 38 of locking piece 37 stretches in the groove of cross locking bolt 4 and makes in the cross locking bolt 4 retraction shells, fastener 29 by bullet to the inside and scotch 28 is abutted against mutually with the projection of locking piece 37 and the position that limits locking piece is the position that block 38 combines with groove, when key makes the dialing part 21 of tapered end 18 locking piece 37 is pressed downwards, then block 38 is descending and throw off groove and cross locking bolt 4 ejects, then go up, following locking bolt 2,17 also stretch out simultaneously (the wind tongue often stretches out) this moment turning handle they can also withdraw and (stir the cross locking bolt by long driving lever 41, the wind tongue is stirred by wind tongue shift fork 14), when cross locking bolt 4 and on, when following locking bolt stretches out, rotate counterclockwise key, then dialing part 21 promotion swinging plates 22 are up, effect by inclined-plane 24 in the time of up makes fastener 29 turn to the outside, then the scotch on the fastener 28 is thrown off with the projection 27 on the locking piece 37, and the locking piece bullet is to upper, its straight flange 36 is positioned at a side of the end face of cross locking bolt 4, the cross locking bolt can not be withdrawn, and the lock the state of locking a door, cause is to lock a door with key turns, so be called a spoon enclosed, when opening the door, with key clockwise rotate with locking piece 37 press to the below, swinging plate 22 is also descending, then the fastener bullet is to inner side, then locking piece 37 can not be upspring, and turning handle can open the door, and is very convenient.

Said tapered end 18 preferably adopts its keyhole face latent tapered end lock equal with surface of shell, and is safer.

Also have rotating dialing part 30 in the housing, it has a rod member that is positioned at swinging plate 22 tops; Its notch side is loaded on the indoor of lock, and a fixing knob is housed, its effect is can make door locked or open with this knob, when clockwise transfer part 30, then presses projection 27 and makes locking piece descending and locking bolt stretches out, oppositely transferring 30 of parts again makes swinging plate 22 up and fastener 29 is rotated, so locking piece upsprings and lock a door, when clockwise rotating dialing part again, it is descending and make locking piece descending then to stir projection 27, the also descending fastener of swinging plate 22 resets simultaneously, forms door opening state.

Claims (2)

1, a kind of spoon of enclosed Three-bearing mortise door lock, has housing (1), rotating part (35), be loaded on the handle (34) in the rotating part (35), wind tongue (13), the wind tongue spring (15) that the wind tongue is ejected, cross locking bolt (4), last locking bolt (2), following locking bolt (17), tapered end (18), it is characterized in that long driving lever (41) and driving lever (33) are arranged on the rotating part (35), pilot pin (40) in the guide groove (45) that stretches into shell (1) is arranged on the said cross locking bolt (4), also have and make the cross locking bolt eject the spring (44) of housing, be fixed in the left guide plate (3) and the right guide plate (42) of shell (1), on said, following locking bolt (2), (17) on a left side, slide between right guide plate, trundle (5) and push/pull slot (6) are arranged between last locking bolt (2) and cross locking bolt (4), be fixed on the axle (9) of housing rotating gear (10) is arranged, gear (10) is with last, following locking bolt (2), (17) go up relative tooth bar (12), (11) be meshed, pass dialing part (8) in addition on the axle (9), pass on the dialing part (8) wind tongue shift fork (14) and shift fork (7) are arranged, wind tongue shift fork is abutted against mutually with the wind tongue, shift fork (7) is abutted against mutually with the driving lever (33) of said rotating part (35), also has a locking piece that can move up and down (37) in the housing, make its bullet spring (19) upward, be fixed in the pivot pin (32) of housing, locking piece (37) has slotted hole to pass this pivot pin (32) and can limit the position of locking piece, tapered end (18) has dialing part (21), dialing part (21) is abutted against mutually with locking piece (37) and can be with its downward pulling, block (38) and the straight flange (36) that can be abutted against mutually with its end when stretching out in cross locking bolt (4) in the groove that can stretch into cross locking bolt (4) arranged at the top of locking piece (37), the locking bolt sidelong (4) of block stretches out case side and has inclined-plane (39), the position-limit mechanism of locking piece is housed on pivot pin (32), comprise swinging plate moving up and down (22), go up rotating fastener (29) and make the spring (31) of fastener bullet at pivot pin (32) to the housing inboard, the lower end of fastener (29) has hypotenuse (24), lower end at swinging plate (22) has the right angle crimp, porose on the crimp (23), hypotenuse on the fastener (24) is abutted against mutually with the hole side, also has the scotch of doing mutually with the projection (27) of locking piece (37) (28) on the fastener.

2, spoon enclosed Three-bearing mortise door lock as claimed in claim 1 is characterized in that the keyhole surface of said tapered end (18) is the latent tapered end lock equal with housing (1) surface.

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