A kind of antitheft lock structure
Technical field
The utility model is related to lock technology field, more particularly to a kind of preferable antitheft lock knot of anti-theft effect
Structure.
Background technology
Theftproof lock is parts the most key on antitheft door, theftproof lock generally comprise Anti-theft lock box, lock core, handle,
Hand installing plate.Main spring bolt mechanism and its locking mechanism, oblique spring bolt mechanism and its drive mechanism etc. are disposed with Anti-theft lock box, it is antitheft
Lock box is provided with lock core hole, and lock core is installed at lock core hole, there is lock core plectrum on lock core, rotates lock core plectrum to stir main dead bolt
Mechanism is overhanging and retracts, and drives the locking mechanism to carry out position unblock to main spring bolt mechanism, and locking mechanism is driven by flexible member
Reset to carry out position locking to main spring bolt mechanism, oblique bolt driving mechanism is used for connecting outer handle, and oblique spring bolt mechanism is by bullet
Property element drives it is overhanging, outer handle is rotated to drive oblique spring bolt mechanism to retract.
Wherein main spring bolt mechanism is provided with draw-in groove, and locking mechanism is provided with card column, is snapped in draw-in groove come to master by card column
Spring bolt mechanism carries out position locking.But the draw-in groove on existing main spring bolt mechanism is typically set to circle for smoothly snapping in for card column
Arc, is then likely to occur card column and deviates from from draw-in groove when main spring bolt mechanism is subject to larger thrust, makes the position of locking mechanism
Locking action fails, so the anti-theft effect of this structure is poor.
The content of the invention
The utility model is to overcome above-mentioned deficiency of the prior art, there is provided a kind of preferable antitheft lock of anti-theft effect
Structure.
The utility model is achieved through the following technical solutions above-mentioned purpose.
A kind of antitheft lock structure, including Anti-theft lock box, Anti-theft lock box are provided with lock core hole, and main lock is provided with Anti-theft lock box
The drive mechanism of tongue mechanism, locking mechanism, oblique spring bolt mechanism and oblique spring bolt mechanism, main spring bolt mechanism is provided with three cards side by side
Groove, locking mechanism is provided with two card columns side by side, and when locking a door and unlocking two positions, card column snaps in draw-in groove to main spring bolt mechanism
It is interior;Anti-theft lock box includes long bar shape panel and is arranged in two half drain pans for mutually fastening of panel side, two and half drain pan buttons
Conjunction forms the open flat box-like housing in side, and panel covers opening;Foregoing locking mechanism includes its glide direction and main lock
The vertical block board of the glide direction of tongue mechanism and the spring for driving block board return, foregoing card column are located at block board
On, and card column is cube shape card column, foregoing draw-in groove is cube v notch v draw-in groove.
Most of parts in the antitheft lock structure of this programme can be using zero in existing antitheft lock structure
Part, is simply improved to cube v notch v draw-in groove by existing circular arc draw-in groove, and card column uses cube shape card column, so only exists
After the completely out draw-in groove of card column, main spring bolt mechanism can just enter line slip, when card column is stuck in draw-in groove, even if main spring bolt mechanism is received
To larger thrust, card column will not also deviate from from draw-in groove, make the position locking action of locking mechanism and strengthen, anti-theft effect compared with
It is good.
Used as a kind of structure type of optimization, foregoing main spring bolt mechanism includes main dead bolt and is fixedly connected with main dead bolt
Clamping groove plate, main dead bolt slided perpendicular to above-mentioned panel and it is protractile go out panel, above-mentioned draw-in groove is located on clamping groove plate, clamping groove plate
On be additionally provided with the DIP groove slid in and out for lock core plectrum;The first balancing plug is provided with above-mentioned Anti-theft lock box, on clamping groove plate
Laterally balance chute is provided with, laterally balance chute is enclosed within the outside of the first balancing plug, main dead bolt laterally balances chute phase when sliding
First balancing plug is slided;
The second balancing plug is provided with Anti-theft lock box, above-mentioned block board is provided with two vertical balances being parallel to each other and slides
Groove, two vertical balance chutes are respectively fitted over the outside of the first balancing plug and the second balancing plug, when block board is slided two it is vertical
Balance chute is slided with respect to the first balancing plug and the second balancing plug;The spring of above-mentioned driving block board return is torsion spring, torsion spring
One torque arm sticks Anti-theft lock box, and another torque arm of torsion spring sticks block board so that the card column on block board is intended to snap in card
Draw-in groove on frid;
Above-mentioned oblique spring bolt mechanism includes oblique dead bolt and the pull bar being fixedly connected with oblique dead bolt, and oblique dead bolt is slided perpendicular to panel
It is dynamic and it is protractile go out panel, pull bar outside is cased with the first spring, spring fagging, one end of the first spring is fixed with Anti-theft lock box
Against oblique dead bolt, the other end of the first spring is pressed against spring fagging so that tiltedly dead bolt is intended to overhang panel;
The drive mechanism of above-mentioned oblique spring bolt mechanism includes the unlatching block being rotatably connected in Anti-theft lock box, opens and is set on block
There is the square hole for localized external handle, the center of square hole is coaxial with the center of rotation for opening block, the side for opening block is extended
For stirring group tongue that oblique dead bolt is retracted.This programme simplifies existing antitheft lock structure, reduces the quantity of parts, drop
Low product cost, simple structure is stable, is easily worked manufacture, easy to assembly quick.
Used as further improved structure type, the one end on above-mentioned pull bar away from oblique dead bolt is provided with outer step, pull bar
On be cased with second spring, against the outer step of pull bar, the other end of second spring is pressed against above-mentioned unlatching block for one end of second spring
Dial tongue, open when block is rotated and compress second spring, second spring is ordered about pull bar and drives oblique dead bolt to overcome the bullet of the first spring again
Power makes oblique dead bolt retract.It is usually directly to contact to be driven with pull bar using group tongue in existing antitheft lock structure, but
If oblique dead bolt is stuck under overhanging state due to unexpected factor, user firmly would generally pull outer handle, so meeting
Group tongue or pull bar of opening block is caused to damage, therefore this structure increased second spring, that opens block dials tongue first to the second bullet
Spring is compressed, and second spring is compressed to and can overcome the elastic force of the first spring oblique dead bolt is retracted afterwards to a certain degree, if tiltedly
When dead bolt is stuck under overhanging state due to unexpected factor, even if user firmly pulls outer handle, outer handle remains to turn
It is dynamic, but the stress size of group tongue and pull bar for opening block depends on second spring, so only need to select appropriate second spring
Can avoid opening group tongue and pull bar of block from damaging.
Used as further improved structure type, above-mentioned unlatching block is provided with connection tongue piece, the company of rotation on connection tongue piece
Gangbar is connected to, gangbar is provided with bar to balance chute, and above-mentioned clamping groove plate is provided with the 3rd balancing plug, and bar is to balance chute
The outside and relative 3rd balancing plug for being enclosed within the 3rd balancing plug are slided, and main dead bolt rotates lock core plectrum when being located at retraction extreme position
Gangbar can be driven to be slided with respect to the 3rd balancing plug, driven when gangbar is slided and opened block rotation, opened block and rotate to drive
Oblique dead bolt is retracted.When main dead bolt is located at extended position, the 3rd balancing plug on clamping groove plate drives gangbar away from lock core, now
Lock core plectrum first stirs clamping groove plate and block board and carries out the unblock of main dead bolt when being opened the door using key rotation lock core plectrum, when main lock
Being rotated further lock core plectrum when being located at retraction extreme position after tongue unblock can drive gangbar to slide, and be driven when gangbar is slided
Open block to rotate, open block and rotate to drive oblique dead bolt to retract, so directly can successively unlock main dead bolt and tiltedly lock with key
Tongue, antitheft door can be opened without rotating outer handle, be user-friendly to, and be in addition set to the outer handle on the outside of antitheft door
Fixed, oblique dead bolt can only could be unlocked with key so on the outside of antitheft door, further improve anti-theft effect.
As further improved structure type, cube contiguous block, cube connection are accompanied between two and half above-mentioned drain pans
The one side of block is provided with the first screwed hole, two relative sides adjacent with side residing for the first screwed hole on cube contiguous block
The second screwed hole is equipped with, is locked in the first screwed hole through panel by screw, being separately each passed through two and half drain pans by screw locks
Enter in the second screwed hole.This structure is linked together panel and housing using cube contiguous block and screw, complete housing with
While panel is connected, the fastening fastening of two and half drain pans is also achieved, eliminate welding procedure, reduce process costs and people
Power cost, simple structure is connected firmly, and assembly and disassembly is convenient and swift.
As further improved structure type, three cube contiguous blocks, and three are accompanied between two and half above-mentioned drain pans
Individual cube contiguous block is located at and is evenly arranged near housing open position and the length direction along panel, with further strengthen housing with
The fastness of panel connection.
As further improved structure type, negative and positive stud, the external screw teeth of negative and positive stud are disposed with above-mentioned housing
End is threaded on one and half drain pans, is locked in the internal screw thread of negative and positive stud through another half drain pan by screw, with to two
The fastening tightness of individual half drain pan is strengthened.
Used as further improved structure type, the quantity of above-mentioned negative and positive stud is two or more, and along and be close to
The medial surface dispersed placement of above-mentioned housing, further to strengthen the fastening tightness of two and half drain pans.
The utility model mainly has the advantages that compared with prior art:Existing circular arc draw-in groove is improved to
Cube v notch v draw-in groove, card column uses cube shape card column, and only after the completely out draw-in groove of card column, main spring bolt mechanism can just be carried out
Slide, when card column is stuck in draw-in groove, even if main spring bolt mechanism is by larger thrust, card column will not also deviate from from draw-in groove,
Making the position locking action of locking mechanism strengthens, and anti-theft effect is preferable;Avoid oblique dead bolt under overhanging state due to unexpected factor
User exerts oneself to pull the structural member damage that outer handle is brought when being stuck;Main dead bolt and tiltedly lock can be successively unlocked with key
Tongue, antitheft door can be opened without rotating outer handle, be user-friendly to;Using cube contiguous block and screw by panel and shell
Body links together, and while completion housing is connected with panel, also achieves the fastening fastening of two and half drain pans, eliminates weldering
Technique is connect, process costs and human cost is reduced, simple structure is connected firmly, and assembly and disassembly is convenient and swift.
Brief description of the drawings
Fig. 1 is partly cut-away's structural representation of the utility model embodiment.
Fig. 2 is the decomposition texture schematic diagram of Anti-theft lock box in the utility model embodiment.
Fig. 3 is the internal structure schematic diagram of the utility model embodiment.
Fig. 4 is the dimensional structure diagram of clamping groove plate in the utility model embodiment.
Fig. 5 is the dimensional structure diagram of block board in the utility model embodiment.
Fig. 6 is that cube contiguous block cuts structural representation open in the utility model embodiment.
Specific embodiment
The utility model is described further below in conjunction with the accompanying drawings.Accompanying drawing being for illustration only property explanation, it is impossible to be interpreted as
Limitation to this patent.
For more succinct explanation the present embodiment, some are well known to a person skilled in the art but with originally in accompanying drawing or explanation
The incoherent parts of main contents of creation can have been omitted.In addition for ease of statement, some parts have province in accompanying drawing
Slightly, zoom in or out, but do not represent the size or entire infrastructure of actual product.
Embodiment:
As shown in figure 1, a kind of antitheft lock structure, including Anti-theft lock box 1, Anti-theft lock box 1 is provided with lock core hole, theftproof lock
The drive mechanism 5 of main spring bolt mechanism 2, locking mechanism 3, oblique spring bolt mechanism 4 and oblique spring bolt mechanism 4 is provided with box 1.
As shown in Fig. 2 Anti-theft lock box 1 includes long bar shape panel 11 and is arranged in two mutual fastenings of the side of panel 11
Half drain pan 12, two and half drain pan 12 is fastened and forms the open flat box-like housing in side, and panel 11 covers opening.
As shown in Figure 3 and Figure 4, main spring bolt mechanism 2 includes main dead bolt 21 and the clamping groove plate 22 being fixedly connected with main dead bolt 21,
Main dead bolt 21 slided perpendicular to panel 11 and it is protractile go out panel 11, be provided with three along the glide direction of main dead bolt 21 on clamping groove plate 22
Cube v notch v draw-in groove 221 side by side, is additionally provided with the DIP groove 222 slid in and out for lock core plectrum on clamping groove plate 22;It is antitheft
The first balancing plug 13 is provided with lock box 1, clamping groove plate 22 is provided with laterally balance chute 223, and laterally balance chute 223 is enclosed within first
The outside of balancing plug 13, main dead bolt 21 laterally balances chute 223 and is slided with respect to the first balancing plug 13 when sliding.
As shown in Figure 3 and Figure 5, locking mechanism 3 includes its glide direction card vertical with the glide direction of main spring bolt mechanism 2
Position plate 31 and the torsion spring 32 for driving the return of block board 31, two are provided with side by side on block board 31 along the glide direction of main dead bolt 21
Cube shape card column 311, be provided with the second balancing plug 14 in Anti-theft lock box 1, block board 31 be provided with two be parallel to each other it is vertical
Balance chute 312, two vertical balance chutes 312 are respectively fitted over the outside of the first balancing plug 13 and the second balancing plug 14, screens
Two vertical balance chutes 312 are slided with respect to the first balancing plug 13 and the second balancing plug 14 when plate 31 is slided;Torsion spring 32 is enclosed within
On two balancing plugs 14, against the inner side of Anti-theft lock box 1, another torque arm of torsion spring 32 is pressed against card column 311 to a torque arm of torsion spring 32,
Torsion spring 32 makes card column 311 be intended to snap in draw-in groove 221.
When locking a door and unlocking two positions, card column 311 is snapped in draw-in groove 221 main spring bolt mechanism 2.
As shown in figure 3, tiltedly spring bolt mechanism 4 includes oblique dead bolt 41 and the pull bar 42 being fixedly connected with oblique dead bolt 41, oblique dead bolt
41 slided perpendicular to panel 11 and it is protractile go out panel 11, the outside of pull bar 42 is cased with being fixed with the first spring 43, Anti-theft lock box 1
Spring fagging 15, one end of the first spring 43 is pressed against oblique dead bolt 41, and the other end of the first spring 43 is pressed against spring fagging 15, first
Spring 43 makes oblique dead bolt 41 be intended to overhang panel 11.
The drive mechanism 5 of oblique spring bolt mechanism 4 includes the unlatching block 51 being rotatably connected in Anti-theft lock box 1, opens on block 51
The square hole 511 for localized external handle is provided with, the center of square hole 511 is coaxial with the center of rotation for opening block 51, opens block 51
Side extend for stir oblique dead bolt 41 retraction dial tongue 512.
The present embodiment is provided with outer step 421 on pull bar 42 away from one end of oblique dead bolt 41, and the second bullet is cased with pull bar 42
Spring 44, one end of second spring 44 is pressed against the outer step 421 of pull bar 42, the other end the dialling against unlatching block 51 of second spring 44
Tongue 512, is opened when block 51 is rotated and compresses second spring 44, and second spring 44 is ordered about pull bar 42 and drives oblique dead bolt 41 to overcome first again
The elastic force of spring 43 makes oblique dead bolt 41 retract.
It is usually directly to contact to be driven with pull bar using group tongue in existing antitheft lock structure, but if tiltedly locks
When tongue is stuck under overhanging state due to unexpected factor, user firmly would generally pull outer handle, can so cause to open
Group tongue or pull bar of block are damaged, therefore embodiment adds second spring 44, that opens block 51 dials tongue 512 first to the second bullet
Spring 44 is compressed, and second spring 44 is compressed to and can overcome the elastic force of the first spring 43 oblique dead bolt 41 is contracted afterwards to a certain degree
Return, it is outside even if user firmly pulls outer handle if tiltedly dead bolt 41 is stuck under overhanging state due to unexpected factor
Handle remains to rotate, but the stress size of group tongue 512 and pull bar 42 for opening block 51 depends on second spring 44, so only needs
The appropriate second spring 44 of selection can avoid opening group tongue 512 and pull bar 42 of block 51 from damaging.
The unlatching block 51 of the present embodiment is provided with connection tongue piece 513, and gangbar 52 is rotatably connected on connection tongue piece 513,
Gangbar 52 is provided with bar to balance chute 521, and clamping groove plate 22 is provided with the 3rd balancing plug 23, and bar is enclosed within to balance chute 521
Simultaneously relative 3rd balancing plug 23 is slided in the outside of the 3rd balancing plug 23, and main dead bolt 21 rotates lock core and dials when being located at retraction extreme position
Piece can drive gangbar 52 to be slided with respect to the 3rd balancing plug 23, drive unlatching block 51 to rotate when gangbar 52 is slided, and open block
51 rotate to drive oblique dead bolt 41 to retract.
When main dead bolt 21 is located at extended position, the 3rd balancing plug 23 on clamping groove plate 22 drives gangbar 52 away from lock
Core, lock core plectrum first stirs clamping groove plate 22 and block board 31 and carries out main dead bolt 21 when now being opened the door using key rotation lock core plectrum
Unblock, be rotated further lock core plectrum gangbar 52 can be driven to slide when retraction extreme position is located at after the unblock of main dead bolt 21
It is dynamic, drive unlatching block 51 to rotate when gangbar 52 is slided, open block 51 and rotate to drive oblique dead bolt 41 to retract, so can be direct
Main dead bolt 21 and oblique dead bolt 41 successively are unlocked with key, antitheft door can be opened without rotating outer handle, be user-friendly to,
In addition the outer handle on the outside of antitheft door is set to fixation, oblique dead bolt can only could be unlocked with key so on the outside of antitheft door
41, further improve anti-theft effect.
As shown in Figure 2 and Figure 6, cube contiguous block 16, cube contiguous block are accompanied between two and half drain pans 12 of the present embodiment
16 one side is provided with the first screwed hole 161, two phases adjacent with side residing for the first screwed hole 161 on cube contiguous block 16
To side be equipped with the second screwed hole 162, locked in the first screwed hole 161 through panel 11 by screw, separately by screw distinguish
Locked in the second screwed hole 162 through two and half drain pans 12.The present embodiment uses cube contiguous block 16 and screw by the He of panel 11
Housing links together, and while completion housing is connected with panel 11, also achieves the fastening fastening of two and half drain pans 12, saves
Welding procedure is gone, process costs and human cost has been reduced, simple structure has been connected firmly, and assembly and disassembly is convenient and swift.
The present embodiment accompanies three cube contiguous blocks 16 between two and half drain pans 12, and three cube contiguous blocks 16 are located at
It is close to housing open position and the length direction along panel 11 is evenly arranged, further strengthens the jail that housing is connected with panel 11
Solidity.
The present embodiment is disposed with negative and positive stud 17 in housing, and the external screw teeth end of negative and positive stud 17 is threaded in one and half
On drain pan 12, locked in the internal screw thread of negative and positive stud 17 through another half drain pan 12 by screw, with to two and half drain pans 12
Tightness is fastened to be strengthened.
The quantity of the negative and positive stud 17 in the present embodiment be two, and along and near housing medial surface dispersed placement,
Further to strengthen the fastening tightness of two and half drain pans 12.
Existing circular arc draw-in groove is improved to cube v notch v draw-in groove 221 by the present embodiment, and card column uses cube shape card column
311, so only after the completely out draw-in groove 221 of card column 311, main spring bolt mechanism 2 can just enter line slip, when card column 311 is stuck in
When in draw-in groove 221, even if main spring bolt mechanism 2 is by larger thrust, card column 311 will not also deviate from from draw-in groove 221, make locking
The position locking action enhancing of mechanism 3, anti-theft effect is preferable.
This embodiment simplifies existing antitheft lock structure, the quantity of parts is reduced, reduce product cost, tied
Structure is simple, stable, is easily worked manufacture, easy to assembly quick.
A specific embodiment of the present utility model is these are only, but design concept of the present utility model is not limited to
This, the insubstantial modifications that all utilization the utility model designs are made to the utility model each fall within protection of the present utility model
Within the scope of.