CN2254105Y - Safety door lock with five strike plate - Google Patents

Abstract

The utility model discloses a five-tongue safety door lock which is primarily composed of a square metal lock shell, an open lock axle, a driving gear, a driven gear, a toothed plate tongue, an oblique tongue, a shifting sheet of the oblique tongue, a lock head, a lock catch box, etc., wherein, hung tongues on three sides matched with connecting rods, and a square tongue and the oblique tongue on the other side can latch a door all around from an upper, a lower, a left and a right sides. When in use, the square tongue and the oblique tongue can be adopted on a single side, or, an upper and a lower hung tongues, the square tongue and the oblique tongue can be used on three sides and preferably on four sides. The utility model can be widely used on doors in families, storehouses, safes, prisons, etc. and provides a multifunctional five-tongue safety door lock with high safety and reliability for society.

Description

Five tongue insurance locks

The utility model relates to a kind of five tongue safety locks of installing on all kinds of doors.

The insurance lock of Chu Shouing is various in style in the market, and its moulding, structure are all basic identical, and the mechanical part of lock generally all adopts the plectrum rotating lock tongue flexible from lock body one side, and dead bolt generally all is single tongue or two tongue composition.In use, the keyed end of door lock and doorframe is few, installs in the same side again.Therefore, such lock is easy to be subjected to the destruction of forms such as " dial, prize, bore, clash into ".

The purpose of this utility model provides a kind of five tongue insurance locks, and dead bolt is flexible from lock body four sides, reaches upper and lower, left and right four sides, the five tongues locking action of bolting the door, and can install and use on all kinds of doors.

The purpose of this utility model is achieved in that five tongue insurance locks are made up of tapered end, lock body, keeper and connecting rod, wherein lock body by positive square lock housing, opening lock shaft, two driving gears, two driven gears, four tooth plate tongues, tiltedly the tongue plectrum, tiltedly the tongue scraper plate, tiltedly tongue, spring, carriage etc. are formed.Be positioned at two driving gears and oblique tongue plectrum are installed on the opening lock shaft at square lock body middle part, tiltedly the tongue plectrum is between two driving gears, two driving gears respectively with two driven gears engagements that are installed on upper and lower two groups of four tooth plate tongues that are right-angled intersection, by the axis hole on the lock cap and axle sleeve with opening lock shaft and two driven gear shafts location, the axle center that makes two driven gears respectively with the connecting line in the axle center of two driving gears 90 degree and make the gear plane square with the axis each other.Tiltedly tongue is to stir oblique tongue scraper plate by oblique tongue plectrum to drive oblique tongue flexible.Five tongues are arranged in the lock body, and three tongues that wherein are each positioned at a side are that tooth plate is hung tongue, and with the connecting rod adapted, opposite side is tooth plate side's tongue and oblique tongue.When square tongue and three hang tongue release lock button boxes with the opening lock shaft on the position of socket be decided to be initial position, when opening lock shaft clockwise direction revolves three-sixth turn, four tooth plate tongues stretch out outside lock body door locked, indoor handle can not rotate four tongues can not to rotate oblique tongue flexible this moment, reached the indoor purpose of outdoor lock.When the opening lock shaft is got back to initial position from above-mentioned inverse position clockwise rotation, four tooth plate tongues release lock button box of in lock body, withdrawing, tiltedly the tongue plectrum contacts when counter clockwise direction is rotated the 15-30 degree left and right sides oblique tongue plectrum again and stirs oblique tongue scraper plate and drive the oblique tongue lock body of withdrawing with oblique tongue scraper plate, door is opened, unclamp the oblique tongue of revolving force and eject lock body naturally, and making the opening lock shaft get back to initial position along clockwise direction, open or close door with the rotatable oblique tongue of indoor handle this moment.

The utility model five flapper insurance locks have improved the basic structure of general insurance door lock, using mechanical plectrum to stir dead bolt by conventional door lock, to change the mechanical gear rotating lock tongue into flexible, thereby can common single, double tongue be changed into many tongues and be stretched from lock body four sides simultaneously.The advantage of five tongue insurance locks is as follows: (one), owing to adopt many tongues can play effect with the locking of door upper and lower, left and right, and more safer, reliable than general insurance door lock.(2), use five tongue insurance locks, when being damaged, as long as wherein a tongue does not withdraw from keeper, then door just can't be opened.(3), the connecting rod outer cover can be protected the effect of connecting rod and reinforcing door.The utility model five tongue insurance locks can be widely used in family, storehouse, safety cabinet, security door, prison door etc.For society provides safety, reliable multi-functional insurance lock.

Below in conjunction with drawings and Examples the utility model is described in further detail.

Fig. 1 is the utility model five tongue insurance lock lock body structure plan views.

Fig. 2 is the sectional view along the A-A line among Fig. 1.

Fig. 3 is the sectional view along the B-B line among Fig. 1.

Fig. 4 is an oblique tongue lateral view among Fig. 1.The right figure is a plate washer plan view behind the oblique tongue body.

In the lock body structure and corresponding sectional view by Fig. 1 Fig. 2 Fig. 3 five tongue insurance locks shown in Figure 4, at the middle part of square lock body 36 construction opening lock shaft 1, two driving gears 4 and 18 and oblique tongue plectrum 6 are installed on opening lock shaft 1, tiltedly tongue plectrum 6 is between upper strata driving gear 4 and lower floor's driving gear 18, and making the angle between the opening part of the opening lock shaft of dialling point and oblique tongue side of oblique tongue plectrum 6 is the 35-45 degree.In the bottom of square lock body 36 two groups of four tooth plate tongues 11,14,23,26 that are right-angled intersection are installed, driven gear 7 and 20 are housed respectively thereon, topsoil moving gear 4 and driven gear 7 engagements, lower floor's driving gear 18 and driven gear 20 engagements.Respectively opening lock shaft 1 and driven gear shaft 9,22 are located by axis hole of installing on the lock cap 23,10 and axle sleeve 38, the axle center that makes two driven gears respectively with the connecting line in the axle center of two driving gears 90 degree each other, and make each gear plane vertical with each respectively.Respectively there are two fixedly reversed column 8,1,8,2,21-1,21-2 in driven gear 7 and 20 below, be engaged on respectively in the teeth groove of upper and lower two groups of tooth plate tongues 11,14,23,26, last group of tooth plate tongue 11,14 is forward and reverse teeth groove, two overlapping lying on the carriage 17, and slide above it, the teeth groove of organizing tooth plate tongue 23,26 down also is forward and reverse teeth groove, two overlapping lies on the baseplane of lock body 36, and slide thereon, by carriage 17 will go up group tooth plate tongue 11,14 crossbearers organize down tooth plate tongue 23,26 above be right-angled intersection.Have three to hang tongue 12,14,24 and connecting rod adapted in four tooth plate tongues, and be each positioned at a side, another tooth plate tongue side of being tongue 27 is positioned at opposite side.

Oblique tongue portion in the lock body is made up of oblique tongue plectrum 6, oblique tongue scraper plate 29 and oblique tongue body, and wherein tiltedly tongue body is made of oblique tongue 34, spring 33, back plate washer 32.The oblique tongue body of (see figure 4) is installed in the homonymy of the side's of being positioned at tongue 27 in the lock body, bumping tongue uses, the spring 33 of packing at the fluting place of oblique tongue body mid portion is stuck in the lock body fixed leg 33-1, tiltedly the lower end of tongue scraper shaft 30 is installed on the axis hole of lock body inner bottom surface versatilely, axis hole 31 location by lock cap 2, tiltedly group point of tongue scraper plate 29 is positioned at the below of oblique tongue, tiltedly the overhead kick of tongue scraper plate 29 is in the tiltedly right side of dialling point and the contact of tongue plectrum 6, when opening lock shaft 1 when initial position counterclockwise rotates the 15-30 degree left and right sides, stir oblique tongue scraper plate 29 by oblique tongue plectrum 6 and drive oblique tongue 34 withdrawal lock bodies, oblique tongue 34 ejects lock body automatically under the effect of spring 33 when unclamping revolving force.Jam plate lid 2 is used bolt respectively by bolt hole fixed leg 35-1,35-2,35-3,35-4 in the lock body, constitutes five complete tongue insurance lock lock body structures.Lock core inserted sheet 39 on tapered end 40 inserts the opening part of opening lock shaft 1, inserts tapered end 40 with key 41 and makes five tongue dead bolts in the lock body flexible the rotation of opening lock shaft.

Claims (10)

1. five tongue insurance locks are by tapered end, the square lock body, keeper and connecting rod are formed, wherein square lock body is by square lock housing, the opening lock shaft, driving gear, driven gear, the tooth plate tongue, oblique tongue plectrum, oblique tongue scraper plate, oblique tongue, spring, compositions such as carriage, it is characterized in that being equipped with on the opening lock shaft [1] at square lock body [36] middle part two driving gears [4] [18] and oblique tongue plectrum [6], tiltedly tongue plectrum [6] is between upper strata driving gear [4] and lower floor's driving gear [18], two driving gears [4,18] respectively be installed in, following two groups of four tooth plate tongues [11 that are right-angled intersection, 14,23,26] two driven gears [7] [20] engagement on, wherein three tooth plates are hung each side that tongue is positioned at lock body, and link to each other with connecting rod, another tooth plate tongue side of being tongue [27] is positioned at the opposite side of lock body.The homonymy of oblique tongue [34] side's of being installed in tongue [27] of band spring [33] is located opening lock shaft [1], driven gear shaft [9] [22] and oblique tongue scraper shaft [30] by lock cap [2].

2. according to the described five tongue insurance locks of claim 1, it is characterized in that opening lock shaft [1] is a boss circle flat upper end open.

3. according to the described five tongue insurance locks of claim 1, the axle center that it is characterized in that being installed in two driving gears [4] [18] on the opening lock shaft [1] respectively with the connecting line in the axle center that is installed in two groups of driven gears [7] [20] on the tooth plate tongue 90 degree each other.

4. according to the described five tongue insurance locks of claim 1, it is characterized in that axis hole [3] [10] axle sleeve [38] axis hole [31] on the lock cap [2] is located opening lock shaft [1], driven gear shaft [9] [22], oblique tongue scraper shaft [30] respectively.Make each face of gear vertical, make oblique tongue scraper plate vertical with its axle with corresponding gear shaft.

5. according to the described five tongue insurance locks of claim 1, it is characterized in that two driven gears [7] [20] each fixedly reversed column [8-1] [8-2] and [21-1] [21-2] are engaged on respectively in group tooth plate [11,14] and the following teeth groove of organizing tooth plate tongue [23,26] by two of its below.

6. according to the described five tongue insurance locks of claim 1, it is characterized in that two groups of tooth plate tongues [11,14] [23,26] respectively be two tooth plate tongues overlapping be one group, every group of tooth plate tongue is the forward teeth groove and overlaps with reverse teeth groove.

7. according to the described five tongue insurance locks of claim 1, it is characterized in that upper strata tooth plate tongue [11,14] is supported by carriage [17] and the right-angled intersection crossbearer on lower floor's tooth plate tongue [23,26].

8. according to the described five tongue insurance locks of claim 1, it is characterized in that oblique tongue portion by oblique tongue plectrum [6], tiltedly tongue scraper plate [29] and tiltedly tongue body form, the spring [33] of packing at the fluting place of oblique tongue body mid portion is stuck in the lock body fixed leg [35-1].

9. according to the described five tongue insurance locks of claim 8, the point of dialling that it is characterized in that being installed in oblique tongue plectrum [6] on the opening lock shaft [1] is the 30-45 degree with angle between the opening part of the opening lock shaft of oblique tongue side.

10. according to the described five tongue insurance locks of claim 8, it is characterized in that an end of the oblique tongue scraper plate [29] of tape spool contact with the oblique back plate washer [32] of tongue body for dialling point, its other end is oblique tongue hook, be positioned at oblique tongue plectrum [6] group the right side and be in contact with one another.

Images