CN209339751U - A kind of theftproof lock of high security - Google Patents

Abstract

The utility model discloses a kind of theftproof lock of high security, the side of second lock tongue is welded on the side of fixed plate, and the other side of the fixed plate is welded with raised plate, and the outside of the raised plate, which is run through, second sliding slot；The theftproof lock drives turntable rotation by the rotation of handle rotary shaft, the second activity template of driven by rotary disc rotation control latch bolt retracts in lock housing, the rotation of the first activity template is driven by the second activity template simultaneously, first activity template drives raised plate mobile, raised plate drives the second lock tongue to retract in lock housing, allows and the second lock tongue and latch bolt retract at the same time in lock housing when rotation door handle, when locking closing, second lock tongue and latch bolt are stretched out lock housing simultaneously and are locked, and the safety of theftproof lock is improved；The theftproof lock controls the first lock tongue by lock core and carries out flexible locking so that repeatedly locked to the first lock tongue and the second lock tongue when locking a door without rotation, be convenient to using.

Description

A kind of theftproof lock of high security

Technical field

The utility model relates to theftproof lock technical field, specially a kind of theftproof lock of high security.

Background technique

With the improvement of people's living standards, the valuables that people hold also gradually increase, as bank card, noble metal with And jewelry etc., these valuables are not easy to carry on ordinary days, are usually placed on interior, therefore, what is be arranged on door is anti- Stealing lock becomes the basic security protection utensil that people protect property safety.Most common theftproof lock generally includes lock body and key, Lock core and lock tongue are provided in lock body, key and lock core cooperate, when in use, after inserting a key into the lockhole of lock core, The lock core of theftproof lock can be driven to rotate by rotating key, to control the flexible of lock tongue, realize the sealed of theftproof lock and open It opens.

Existing theftproof lock, which needs to rotate when locking a door, locks in more weeks, is more troublesome, and existing theftproof lock exists When not locking, only locked by latch bolt, it is not safe enough, for this purpose, proposing a kind of theftproof lock of high security.

Utility model content

The purpose of this utility model is to provide a kind of theftproof locks of high security, to solve to propose in above-mentioned background technique Existing theftproof lock need to rotate when locking a door and lock in more weeks, be more troublesome, and existing theftproof lock is not being locked When, it is only locked by latch bolt, not safe enough problem.

To achieve the above object, the utility model provides the following technical solutions: a kind of theftproof lock of high security, including lock Shell, the side of the lock housing have extended through the first lock tongue, the second lock tongue and latch bolt, and the side of first lock tongue is welded with work Movable plate, through there is the first fixed column, the avris of the movable plate is equipped with groove, fixes in the lock housing in the outside of the movable plate Lock core is installed, the output end of the lock core is connected with the plectrum in insertion groove, and it is sliding to be fixed with insertion first in the lock housing The first fixed column in slot, the side of second lock tongue are welded on the side of fixed plate, the other side welding of the fixed plate There is raised plate, through there is second sliding slot, the left pivot movement of the lock housing is connected with handle rotary shaft, institute in the outside of the raised plate It states and is respectively sleeved on the first activity template and the second activity template on the outside of handle rotary shaft, the side of first activity template is fixed to be connected The first snag axis being connected in insertion second sliding slot, through there is third sliding slot, described first is living for the side of first activity template The other side of movable plate is equipped with the first tabs, second be fixedly connected in insertion third sliding slot on the outside of second activity template The side of snag axis, second activity template is equipped with the second tabs, and the handle rotary shaft is connected with turntable, the turntable Side is fixed with raised bar, and the side of the turntable is connected by tension spring with the second tabs, and the right side of the lock housing is fixed There is sliding slot, slide bar is slidably connected on the outside of the sliding slot, one end of the slide bar is welded on the side of latch bolt, the slide bar The other side is fixed with limited block, and the other side of second activity template is fitted and connected in the side of sliding slot.

Preferably, the second fixed column is fixed in the lock housing, second fixed column passes through tension spring and the first tabs It is connected.

Preferably, the left and right sides is equipped with third fixed column in the lock housing, the two sides of the lock housing respectively inserted with The first locking plate and the second locking plate that third fixed column is slidably connected.

Preferably, first locking plate and the second locking plate include plate, and the two sides of the plate, which are run through, has the 4th to slide Slot, the side of the plate, which is run through, the 5th sliding slot, and the 4th sliding slot is socketed in the outside of third fixed column.

Preferably, sliding block is slidably connected on the outside of the slide bar, the side of the sliding block is connected to by second spring The side of limited block.

Preferably, through there is first hand hole, the side of second activity template is run through for the side of first activity template There is second hand hole.

Compared with prior art, the utility model has the beneficial effects that

1, the theftproof lock drives turntable rotation by the rotation of handle rotary shaft, and the rotation control of the second activity template of driven by rotary disc is oblique Tongue retracts in lock housing, while driving the rotation of the first activity template by the second activity template, and the first activity template drives raised plate mobile, convex Starting board drives the second lock tongue to retract in lock housing, allows and the second lock tongue and latch bolt retract at the same time lock housing when rotation door handle Interior, when locking closing, the second lock tongue and latch bolt are stretched out lock housing simultaneously and are locked, and improve the safety of theftproof lock；

2, the theftproof lock controls the first lock tongue by lock core and carries out flexible locking, so that repeatedly right without rotation when locking a door First lock tongue and the second lock tongue are locked, be convenient to using.

Detailed description of the invention

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is that the utility model removes lock-shell structure schematic diagram after the second locking plate；

Fig. 3 is structural schematic diagram after the utility model raised plate is connect with the first activity template；

Fig. 4 is the first lock plate structure of the utility model schematic diagram；

Fig. 5 is the second activity template of the utility model structural schematic diagram；

Fig. 6 is the utility model turntable structure schematic diagram.

In figure: 1 lock housing, 2 first lock tongues, 3 second lock tongues, 4 latch bolts, 5 movable plates, 6 first sliding grooves, 7 first fixed columns, 8 Groove, 9 lock cores, 10 plectrums, 11 fixed plates, 12 raised plates, 13 second sliding slots, 14 first activity templates, 15 first snag axis, 16 Two snag axis, 17 third sliding slots, 18 first hand holes, 19 first tabs, 20 tension springs, 21 second fixed columns, 22 second activities Piece, 23 second hand holes, 24 second tabs, 25 tension springs, 26 turntables, 27 handle rotary shafts, 28 sliding slots, 29 first springs, 30 Slide bar, 31 sliding blocks, 32 second springs, 33 limited blocks, 34 first locking plates, 35 second locking plates, 36 plates, 37 the 4th sliding slots, 38 Five sliding slots, 39 third fixed columns, 40 third protrusion axis, 41 raised bars.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1~6 are please referred to, the utility model provides a kind of technical solution: a kind of theftproof lock of high security, including lock housing 1, the side of the lock housing 1 has extended through the first lock tongue 2, the second lock tongue 3 and latch bolt 4, the side welding of first lock tongue 2 There is movable plate 5, through there is the first fixed column 7, the avris of the movable plate 5 is equipped with groove 8, described in the outside of the movable plate 5 It is fixedly installed with lock core 9 in lock housing 1, the output end of the lock core 9 is connected with the plectrum 10 in insertion groove 8, in the lock housing 1 The first fixed column 7 being fixed in insertion first sliding groove 6, the side of second lock tongue 3 is welded on the side of fixed plate 11, institute The other side for stating fixed plate 11 is welded with raised plate 12, and the outside of the raised plate 12, which is run through, second sliding slot 13, the lock housing 1 Left pivot movement be connected with handle rotary shaft 27, the outside of the handle rotary shaft 27 is respectively sleeved on the first activity template 14 and Two activity templates 22, the side of first activity template 14 are fixedly connected with the first snag axis 15 in insertion second sliding slot 13, institute The side of the first activity template 14 is stated through there is third sliding slot 17, the other side of first activity template 14 is equipped with the first tabs 19, the outside of second activity template 22 is fixedly connected with the second snag axis 16 in insertion third sliding slot 17, and described second is living The side of movable plate 22 is equipped with the second tabs 24, and the handle rotary shaft 27 is connected with turntable 26, and the side of the turntable 26 is solid Surely there is raised bar 41, the side of the turntable 26 is connected by tension spring 25 with the second tabs 24, and the right side of the lock housing 1 is solid Surely there is sliding slot 28, the outside of the sliding slot 28 slidably connects slide bar 30, and one end of the slide bar 30 is welded on the one of latch bolt 4 Side, the other side of the slide bar 30 are fixed with limited block 33, and the other side of second activity template 22 is fitted and connected in sliding slot 28 Side.

Specifically, being fixed with the second fixed column 21 in the lock housing 1, second fixed column 21 passes through tension spring 20 and first Tabs 19 are connected, and tension spring 20 is for assisting the second lock tongue 3 quickly to rebound in lock housing 1.

Specifically, the left and right sides is equipped with third fixed column 39 in the lock housing 1, the two sides of the lock housing 1 are inserted into respectively There are the first locking plate 34 and the second locking plate 35 being slidably connected with third fixed column 39, the first locking plate 34 and the second locking plate 35 are used respectively Other two locks above and below extension control door.

Specifically, first locking plate 34 and the second locking plate 35 include plate 36, the two sides of the plate 36 are run through There is the 4th sliding slot 37, the side of the plate 36, which is run through, the 5th sliding slot 38, and the 4th sliding slot 37 is socketed in third fixed column 39 Outside.4th sliding slot 37 is tilted for guiding role, the 5th sliding slot 38 and the first locking plate 34 and 35 direction of motion of the second locking plate 35 degree of angles are obliquely installed, mobile for controlling the first locking plate 34 and the second locking plate 35.

Specifically, the outside of the slide bar 30 slidably connects sliding block 31, the side of the sliding block 31 passes through second spring 32 are connected to the side of limited block 33, and second spring 32 pushes sliding block 31 to clamp the second activity template 22, can prevent the second activity Piece 22 shakes.

Specifically, the side of first activity template 14, which is run through, first hand hole 18, the one of second activity template 22 Side is through there is second hand hole 23, for being socketed in handle rotary shaft 27.

Working principle: in use, door handle is fixedly connected with handle rotary shaft 27, handle rotary shaft 27 when rotating handles Rotation is followed, handle rotary shaft 27 drives turntable 26 to rotate, and the raised bar 41 of 26 side of turntable is stuck in the one of the second activity template 22 Side is moved to third sliding slot by the second snag axis 16 when the second activity template 22 rotates so that the second activity template 22 follows rotation The first activity template 14 is driven to rotate after 17 ends, it is most that the rotation of third sliding slot 17 drives the first snag axis 15 to be moved to second sliding slot 13 After head, the first snag axis 15 drives raised plate 12 mobile, so that the second lock tongue 3 of control is shunk in lock housing 1, while the second activity template 22 push sliding block 31 mobile, and sliding block 31 drives limited block 33 mobile by second spring 32, and limited block 33 is mobile with moving slide-bar 30, It is retracted in lock housing 1 to control latch bolt 4, while when third protrusion axis 40 follows mobile can be slided in the 5th sliding slot 38, thus It controls the first locking plate 34 and the second locking plate 35 is mobile, can be used for other control doors two locks up and down, lock core is opened by key 9, so that the rotation of lock core 9 drives plectrum 10 to rotate, plectrum 10 drives movable plate 5 mobile, can control the first lock tongue 2 and stretches in lock In shell 1；After unclamping door handle, under the thrust of the first spring 29, so that latch bolt 4 is popped up to outer lock shell 1, while sliding block 31 drive the rotation of the second activity template 22, keep in the center to control door handle.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of theftproof lock of high security, including lock housing, it is characterised in that: the side of the lock housing has extended through the first lock Tongue, the second lock tongue and latch bolt, the side of first lock tongue are welded with movable plate, and the outside of the movable plate, which is run through, has first to consolidate Fixed column, the avris of the movable plate are equipped with groove, are fixedly installed with lock core in the lock housing, the output end of the lock core is connected with The plectrum being inserted into groove, the first fixed column being fixed in the lock housing in insertion first sliding groove, the one of second lock tongue Side is welded on the side of fixed plate, and the other side of the fixed plate is welded with raised plate, and the outside of the raised plate is through having the Two sliding slots, the left pivot movement of the lock housing are connected with handle rotary shaft, are respectively sleeved on first on the outside of the handle rotary shaft Activity template and the second activity template, the side of first activity template are fixedly connected with the first snag axis in insertion second sliding slot, Through there is third sliding slot, the other side of first activity template is equipped with the first tabs, described for the side of first activity template The second snag axis being fixedly connected in insertion third sliding slot on the outside of second activity template, the side of second activity template is equipped with Second tabs, the handle rotary shaft are connected with turntable, and the side of the turntable is fixed with raised bar, the side of the turntable It is connected by tension spring with the second tabs, sliding slot is fixed on the right side of the lock housing, is slidably connected on the outside of the sliding slot Slide bar, one end of the slide bar are welded on the side of latch bolt, and the other side of the slide bar is fixed with limited block, second activity The other side of piece is fitted and connected in the side of sliding slot.

2. a kind of theftproof lock of high security according to claim 1, it is characterised in that: be fixed with second in the lock housing Fixed column, second fixed column are connected by tension spring with the first tabs.

3. a kind of theftproof lock of high security according to claim 1, it is characterised in that: the left and right sides is equal in the lock housing Equipped with third fixed column, the two sides of the lock housing are locked inserted with the first locking plate being slidably connected with third fixed column and second respectively Piece.

4. a kind of theftproof lock of high security according to claim 3, it is characterised in that: first locking plate and the second lock Piece includes plate, and the two sides of the plate, which are run through, the 4th sliding slot, and the side of the plate, which is run through, the 5th sliding slot, and the Four sliding slots are socketed in the outside of third fixed column.

5. a kind of theftproof lock of high security according to claim 1, it is characterised in that: the outer Slideslip of the slide bar connects It is connected to sliding block, the side of the sliding block is connected to the side of limited block by second spring.

6. a kind of theftproof lock of high security according to claim 1, it is characterised in that: the side of first activity template Through there is first hand hole, the side of second activity template, which is run through, second hand hole.