CN2386138Y

CN2386138Y - Anti-theft door lock with three-direction locking and five spring bolts

Info

Publication number: CN2386138Y
Application number: CN 99217526
Authority: CN
Inventors: 罗保德
Original assignee: Individual
Current assignee: Individual
Priority date: 1999-08-03
Filing date: 1999-08-03
Publication date: 2000-07-05
Anticipated expiration: 2009-08-03

Abstract

The utility model relates to a three-direction locking theft proof door lock, a lock body of which is in a built-in type, wherein, a cross key insertion lock head is used in a lock head, and an inclined tongue can be opened by a key. The utility model comprises an inclined tongue mechanism, and a lock box; a main lock bolt is connected with a supporting plate. A positioning device which is use for opening and transverse moving of the main lock bolt and a telescopic device used for an upglide bolt and a glide bolt to move up and down are arranged on the supporting plate. The utility model is characterized in that the upper part and the lower part of the supporting plate are respectively provided with a positioning post of a shifting piece, an auxiliary shifting piece of the inclined tongue is arranged on the positioning post, and a main shifting piece of the inclined tongue is arranged on the positioning post. A projection on the upper end of the auxiliary shifting piece of the inclined tongue is shifted by a shifting block of the lock head, and a guide post of the auxiliary shifting piece is inserted in and sheathed in a U-shaped slot of the lower end of the auxiliary shifting piece of the inclined tongue; the guide post of the auxiliary shifting piece is fixed on the upper end of the main shifting piece, and a shifting guide post of the inclined tongue is shifted by a shifting block of the lower end of the main shifting piece of the inclined tongue. The utility model has the advantages that a main lock tongue and the inclined tongue can be simultaneously opened by the key, the operation is convenient, and the volume and the weight of the lock body is reduced.

Description

Three-dimensional five tongue safe-guard door locks

It is inbuilt three-dimensional locking safe-guard door lock that the utility model relates to a kind of lock body, and wherein tapered end adopts inserting-core lock, and tiltedly tongue can be by key operated.

The inventor once proposed the patent application that application number is 99207911.X on April 15th, 99 to Patent Office of the People's Republic of China, see also Fig. 1-Fig. 9, its main technical schemes is: a kind of three-dimensional five tongue safe-guard door locks, comprise oblique tongue mechanism, lock box, it is characterized in that tapered end adopts inserting-core lock, master latch links to each other with supporting plate, and supporting plate is provided with master latch and opens traversing positioner, and upper sliding valve, downslide bolt stretching device up and down.Tapered end adopts the cross key inserting-core lock.Master latch is that third gear is opened, the structure of its traversing positioner is, on supporting plate 11, have an in-line slide opening 22, cover is inserted with a supporting plate reference column 13 on the base plate that is fixed on lock box 6 in slide opening 22, make supporting plate 11 to move laterally, have 3 grooves 23 in the upper end of supporting plate 11, inserting-core lock 3 is arranged on the top of groove 23, has 4 narrower grooves 38 in the lower end of supporting plate; Portable plate 14 is provided with two

vertical slide openings

40,41, be with supporting plate reference column 13 and portable plate reference column 9 in two slide openings respectively, side at portable plate also is provided with return spring 17, one end of portable plate is bent into one " " shape crimping cover and is inserted in the supporting plate lower end, claw 39 snaps in the groove 38 of supporting plate, is designed to milder pointed a at portable plate and tapered end shifting block 35 contact positions.Upper sliding valve, the downslide bolt structure of stretching device up and down is: on, the downslide bolt is in lock box between the overlapping base plate that places supporting plate 11 and lock box 6, upper sliding valve stretches out along the lock box top, the downslide bolt stretches out along the lock box below, on, the shape of downslide bolt is roughly the same, upper sliding valve 8 has bar shaped slide opening 42,43, inclined hole 20 left ends are downward, downslide bolt 9 has bar shaped slide opening 44,45, inclined hole 21 left ends upwards, bar shaped slide opening 42,44 are with slide plate guide pillar 29 jointly, bar shaped slide opening 43,45 are with slide plate guide pillar 29 ' jointly, inclined hole 20,21 are with slide plate stroke guide pillar 1 jointly, and guide pillar 1 is fixed on the supporting plate 11.

Be characterized in: lock body is equipped with the cross key inserting-core lock, and is easy for installation, can arbitrarily change, and strong security has anti-drilling, anti-technical opening function.Lock body is built-in type three-dimensional locking safe-guard door lock, and master latch is reciprocating under the stirring of tapered end shifting block, drives the slide down bolt simultaneously and moves back and forth, reach three-dimensional locking purpose, the slide down bolt adopts closed braced structures, is difficult for skidding off when moving back and forth, and is safe and reliable.Possess inside and outside insurance function after this lock lock body and the tapered end combination, all need key to open inside and outside it.Master latch adopts steel plate and four direct riveteds of cylinder, and is sturdy and durable, plays the pick-proof effect.But still there is deficiency in it: tiltedly tongue can not can only be opened by oblique tongue handle with key operated, and making opens the door must have two actions just can finish.And, make that the volume of whole lock body is bigger because master latch is cylindrical.

The purpose of this utility model is that the oblique tongue mechanism to three-dimensional five tongue safe-guard door locks is improved, and opens oblique tongue when opening the lock with the key; Simultaneously with the shape of main dead bolt by the cylindrical cydariform that changes into of section, can reduce the volume and weight of lock body.

The main technical schemes that realizes above-mentioned purpose is: a kind of three-dimensional five tongue safe-guard door locks, comprise oblique tongue mechanism, lock box, tapered end adopts inserting-core lock, and master latch 31 links to each other with supporting plate 11, supporting plate is provided with master latch and opens traversing positioner, and upper sliding valve, downslide bolt stretching device up and down; It is characterized in that: a upper and lower plectrum reference column 102, the 102` of respectively being provided with on supporting plate 11, tiltedly the secondary plectrum 101 of tongue is installed on the reference column 102, tiltedly tongue master plectrum 104 is installed on the reference column 102`, tiltedly the projection 107 of the secondary plectrum of tongue 101 upper ends is subjected to stirring of tapered end shifting block 35, cover is inserted with secondary plectrum guide pillar 103 in the U-lag 108 of its lower end, secondary plectrum guide pillar 103 is fixed on the upper end of oblique tongue master plectrum 104, and tiltedly the shifting block 109 of tongue master plectrum 104 lower ends is stirred oblique tongue and dialled guide pillar 105.Master latch 31 sections are cydariform.Tiltedly also be provided with by oblique tongue the oblique tongue dial sleeve of hand-guided post 19 on the tongue junction plate 28.

The purpose of this utility model advantage is: main dead bolt and oblique tongue can be opened simultaneously with key, making opens the door only needs an action to finish, easy to use; By changing the section configuration of main dead bolt, reduced the volume and weight of lock body, economical with materials reduces cost, and is easy for installation.

Below in conjunction with accompanying drawing the utility model is further described.

Fig. 1 is the structural representation that prior art is removed cover plate 4;

Fig. 2 is the left view of Fig. 1;

Fig. 3 is the A-A sectional view (cover plate 4 is arranged among the figure) of Fig. 1;

Fig. 4 is the structural representation of cross key inserting-core lock;

Fig. 5 is the C-C sectional view of Fig. 1;

Fig. 6 is the structural representation that prior art is removed oblique tongue mechanism;

Fig. 7 is the part drawing of portable plate 14;

Fig. 8 is the structure chart of upper sliding valve 34;

Fig. 9 is the structure chart of downslide bolt 24.

Figure 10 is a structural representation of the present utility model;

Figure 11 is the structural representation of the secondary plectrum of oblique tongue;

Figure 12 is the structural representation of oblique tongue master plectrum;

Figure 13 is the C-C sectional view of Figure 10.

Be labeled as among the figure: slide plate stroke guide pillar 1; Slide plate guide pin bushing 2; Inserting-core lock 3; Cover plate 4; Reference column 5; Lock box 6; Bolt support 7; Long spiro nail 8; Portable plate reference column 9; Sunk screw 10; Supporting plate 11; Sunk screw 12; Supporting plate reference column 13; Portable plate 14; Spring support 15; Spring locating pad 16; Spring 17; Oblique tongue dial sleeve 18; Oblique tongue dial sleeve post 19; Upper sliding valve inclined hole 20; Downslide bolt inclined hole 21; In-line slide opening 22; Groove 23; Downslide bolt 24; Cover plate dial sleeve reference column 25; Torsion spring 26; Oblique tongue post 27; Oblique tongue junction plate 28; Slide plate guide pillar 29; Rivet 30; Cylinder tongue 31; Frame panel 32; Lock box fixed panel 33; Upper sliding valve 34; Tapered end shifting block 35; Tapered end panel 36; Lock core 37; Groove 38, claw 39; Bar shaped slide opening 40～45; Jump ring 46; Rivet 47; Steel ball and spring 48; Steel ball 49; External lock headgear shell 50; Outer tapered end anti-drilling sheet 51; Movable anti-drilling sheet 52; Tack pellet shot from a slingshot 53; Marble spring 54; Round end pellet shot from a slingshot 55; Outer lock core 56; Rivet 57; Outer tapered end 58; Key-ring 59; Removable pin 60; Lock core loose piece 61.The secondary plectrum 101 of oblique tongue; Plectrum reference column 102; Secondary plectrum guide pillar 103; Oblique tongue master plectrum 104; Tiltedly tongue is dialled guide pillar 105; Cydariform cylinder tongue 106; Projection 107; U-lag 108; Shifting block 109.

See also Figure 10-Figure 12,, only stress to describe the structure of improvement part here because the utility model is the further improvement on the basis of 99207911.X.Tiltedly tongue mechanism mainly comprises torsion spring 26, tiltedly tongue post 27, tiltedly tongue junction plate 28, oblique tongue dial sleeve 18 (tiltedly the tongue dial sleeve links to each other with oblique tongue handle) and stir oblique tongue device with tapered end.Distinguishing characteristics of the present utility model mainly is to stir oblique tongue device with tapered end, its structure is: upper and lower on supporting plate 11 a plectrum reference column 102,102` fixedly Figure 11, the secondary plectrum 101 of oblique tongue shown in Figure 12 and tiltedly tongue master plectrum 104 respectively are set respectively, and two plectrums 101 and 104 all can be around plectrum reference column 102,102` rotation; Tiltedly the projection 107 of the secondary plectrum of tongue 101 upper ends is subjected to stirring of tapered end shifting block 35 and moves, and its lower end is a U-lag 108; Tiltedly the upper end of tongue master plectrum 104 is provided with secondary plectrum guide pillar 103, and this guide pillar 103 is positioned at U-lag 108, and the shifting block 109 of its lower end is stirred oblique tongue and dialled guide pillar 105, thus stir oblique tongue plate 28 so tiltedly tongue post 27 reclaim and move.

See also Figure 13 the utility model the section of four main dead bolts 106 is made cydariform, under the prerequisite that does not influence main dead bolt intensity, both saved material, the volume of lock body can be reduced weight saving again.

During use, key is inserted in the lock core 37 rotary locking cylinder 37, drive tapered end shifting block 35 and rotate, under the effect of tapered end shifting block projection, elder generation is with the pointed a place jack-up of portable plate 14, portable plate 14 integral body are moved down, cause claw 39 to break away from the groove 38 of supporting plate 11, the restriction of supporting plate 11 at this moment is disengaged; Tapered end shifting block 35 continues rotation, a sidewall of groove 23 of stirring supporting plate 11 is traversing, make supporting plate 11 and to drive cylinder tongue 31 traversing, when tapered end shifting block 35 rotates a circle, portable plate 14 has broken away from the control of tapered end shifting block, and under the active force of return spring 17, the claw 39 of portable plate 14 snaps in again in the next groove 38 of supporting plate 11, supporting plate plate 11,34,24 lockings of slide down bolt can not be stretched out and retraction it under external force.Lock core whenever rotates a circle, and realizes that a grade of master latch is opened or closed, and present embodiment is a third gear, and then lock core rotates three circles continuously, can realize that then third gear opens or close.

Because slide plate stroke guide pillar 1 is fixedly mounted on the supporting plate 11, make slide plate stroke guide pillar 1 when supporting plate 11 is done motion, also reciprocating, and guide pillar 1 is contained in the inclined hole 20,21 of slide down bolt, two inclined holes convert the transverse movement of guide pillar 1 to the vertical motion of upper and lower sliding bolt, in guide pillar 1 motion, upper and lower sliding bolt is also simultaneously reciprocating like this, reaches upper and lower unlatching, locking purpose.

See also Figure 10, be illustrated as main dead bolt and stretch out state this moment, after key is opened main dead bolt third gear, main dead bolt is regained, on this moment, downslide bolt 34,24 also are in opening, tiltedly the secondary plectrum 101 of tongue is in tapered end shifting block 35 belows, tiltedly tongue master plectrum 104 is dialled guide pillar 105 near oblique tongue, be further rotated key, tapered end shifting block 35 is stirred the projection 107 of the secondary plectrum of oblique tongue 101 upper ends, utilizes lever principle, drives U-lag 108 and moves to left, the secondary plectrum guide pillar 103 that also drives simultaneously oblique tongue master plectrum 104 upper ends moves to left, utilize lever principle again, make the shifting block 109 of oblique tongue master plectrum 104 lower ends move to right, drive oblique tongue and dial guide pillar 105 and move to right, thereby oblique tongue post 27 is regained, reached the purpose of opening oblique tongue.After removing the revolving force of key, tiltedly tongue post 27 is ejected again under the effect of torsion spring 26.Like this, adopt the technical solution of the utility model then needn't oblique tongue handle be set at outer side of door.But be easy to use, need oblique tongue handle to be set that its structure is with aforementioned prior art in the door inboard.

Claims

1, a kind of three-dimensional five tongue safe-guard door locks comprise oblique tongue mechanism, lock box, and tapered end adopts inserting-core lock, and master latch 31 links to each other with supporting plate 11, and supporting plate is provided with master latch and opens traversing positioner, and stretching device about the upper sliding valve, downslide bolt; It is characterized in that: a upper and lower plectrum reference column 102, the 102` of respectively being provided with on supporting plate 11, tiltedly the secondary plectrum 101 of tongue is installed on the reference column 102, tiltedly tongue master plectrum 104 is installed on the reference column 102`, tiltedly the projection 107 of the secondary plectrum of tongue 101 upper ends is subjected to stirring of tapered end shifting block 35, cover is inserted with secondary plectrum guide pillar 103 in the U-lag 108 of its lower end, secondary plectrum guide pillar 103 is fixed on the upper end of oblique tongue master plectrum 104, and tiltedly the shifting block 109 of tongue master plectrum 104 lower ends is stirred oblique tongue and dialled guide pillar 105.

2, three-dimensional five tongue safe-guard door locks according to claim 1, it is characterized in that: master latch 31 sections are cydariform.

3, three-dimensional five tongue safe-guard door locks according to claim 1 and 2 is characterized in that: tiltedly also be provided with by oblique tongue the oblique tongue dial sleeve of hand-guided post 19 on the tongue junction plate 28.