CN2864010Y - Concealed theft-proof safety lock - Google Patents

Abstract

A concealed theft-proof safety lock belongs to hardware lockset for settling theft-proof problem, characterized in that: a lock body fixed on the door is divided into up and down two layers, a gear shaft on the upper layer is housed a cluster of gears and spacer bushes which can slide along shaft on the gear shaft; both ends of the gear shaft are provided with handles, an opening lock rack and a lock bolt are connected as a whole, a catching rack connects to a catching mechanism by a catching rope; a front shiifter and a back shiifter fixed on the deciphering rack are provided on both ends of the gears and the spacer bushes, the deciphering rack and the deciphering gear are meshed together, a handle device and a night lock head are coaxial with the deciphering gear; an opening lock tunnel is provided on the lower layer of the lock body, a night lock head is located in the tunnel, the catching mechanism is provided in the section of the tunnel. The utility model with concealed type, high reliability, strong theft-proof capability, the burglar can not settle or break by skeleton key and other breaking lock tools, once housebreaking, must be catched. The utility model adapts to various doors, warehouses and cash boxes and so on places.

Description

Dark open type anti-theft safety lock

Technical field:

The utility model relates to a kind of lockset, particularly has the insurance lockset of the camera bellows unlatching and the function that catches a thief.

Background technology:

Traditional lockset all is bright opening, so the instrument that the burglar can utilize master key or other to destroy lock cracks or destroy, and poor reliability, safety feature are not high.

Summary of the invention:

The purpose of this utility model provides a kind of reliability height, dark open type anti-theft safety lock that anti-theft capability is strong.

The technical solution of the utility model is, this dark open type anti-theft safety lock, it is characterized in that, lock body is fixed on the inboard of door, lock body divides two-layer up and down, the gear shaft suit that is positioned at the lock body upper strata a string number of teeth and identical 3 to 6 gears of modulus and with identical 5 to 8 spacers of gear thickness, gear and spacer can slide on gear shaft vertically; The handle of the usefulness of unblanking all is equipped with at the two ends of gear shaft, and what be meshed with gear train has two toothed rack, and one is the tooth bar of unblanking, and another root is to catch tooth bar; Unblank tooth bar and lock bolt is connected as a single entity, and catches tooth bar and connects one and catch mechanism by catching cable wire; Be provided with at the two ends of gear and spacer and be fixed on preceding shift fork and the back shift fork of deciphering on the tooth bar, the deciphering gear often meshes with the deciphering tooth bar, feel device and cylinder lock head are coaxial with the deciphering gear; Lock body lower floor is provided with two ends and is respectively a drawback lock hole, the bending in the hole pipeline of unblanking of unblanking outdoors, and cylinder lock head is positioned at this pipeline, catches mechanism and is arranged in the conduit section.

The further technical scheme of the utility model is, catching mechanism is arranged on the fixed mount that is connected on the lock body, left side handcuffs plate is hinged by bearing pin with right handcuffs plate, being provided with spring controlled check pawl on the handcuffs plate of a left side matches with the right ratchet that is provided with on the plate of putting handcuffs on, tighten up spring and be connected left side handcuffs plate and hang accordingly on the spring pawl with right handcuffs plate, check pawl connects separates the handcuffs cable wire; Be provided with the lockhole that communicates at left side handcuffs plate with right handcuffs plate top lap, the lock house that is positioned at lockhole is arranged on the dead bolt seat by spring, catches cable wire and links to each other with the lock house.Catch mechanism and also be arranged at unblank other structures in the pipeline of bending, as long as the thief maloperation is caught tooth bar and just can be adopted modes such as noose, limited extruding that its arm is locked in the pipeline of unblanking under the prerequisite of not damaging its health by the seizure mechanism of catching the cable wire connection.

The further technical scheme of the utility model also, separate the handcuffs cable wire connect one be hidden in the lock body dark place separate the handcuffs lock head component.After finding that the thief is grabbed, separate the handcuffs lock head component by the police by what be hidden in the dark place, separate the rotation of handcuffs tapered end lock core with the key turn, affect and separate the handcuffs cable wire, check pawl overcomes the elastic force of torsion spring and opens, and burglar's hand can be extracted out, traffic police side's processing then.

The further technical scheme of the utility model also, the feel device is made up of sheave, steel ball, spring base, retainer spring, the sheave square inner bore is socketed on the cylinder of spring lock, spring base is fixed on the feel device shell, retainer spring and steel ball be positioned at spring base and corresponding to the band arc groove the sheave surface, sheave whenever rotates through a groove, and the gear train mobile phase is when the distance of a gear thickness.Whenever rotate through a groove, steel ball falls in the groove in the promotion of retainer spring, can send sound, and owner judges with this revolved several times, so that seek the tram.Whenever rotate through a groove, the gear train mobile phase is when the distance of a gear thickness.The effect of feel device is to make owner to judge the position that gear train moves, and this judgment mode can be modes such as voice, light.

The further technical scheme of the utility model also, the tooth bar of unblanking is connected by the dead bolt of cable wire with the band spring that is installed in other place, can realize that many places unblank simultaneously.

The further technical scheme of the utility model also also is provided with the locking latch that matches in two holes below the tooth bar of unblanking on lock body, realize the definitely locking of enable possition or locked position, and at this moment, everybody can't open this lock.

When the user opens from the outside, hole from door is stretched into hand the special pipeline of unblanking of the lower floor of lock body, after touching lockhole, lockhole direction along the cylinder lock assembly, upwards insert key and turn key, remember sound by the feel device, the corner that makes key with set identical and hold key, the moving handle outdoors of another hand-screw can be opened door.

When the user opens internally, hand is stretched into the lower floor of lock body by the hole on the lock body, after touching lockhole, lockhole direction along the cylinder lock head assembly, upwards insert key and turn key, remember sound by the feel device, the corner that makes key with set identical and hold key, handle in the moving door of another hand-screw can open the door.

If the burglar unblanks with master key turn cylinder lock assembly is tentative, owing to be black-box operation, so the unlatching meeting than Ming Dynasty style unblank the difficulty many, in case after can the turn lock core, owing to can't decipher, not only can't unblank this moment, also can trigger the seizure mechanism action, in door, it can't be left burglar's handcuffss.

The operating principle of said mechanism is: behind this lock locking, gear train falls back on the home position under spring action.At this moment, unblank tooth bar and catch tooth bar and all be not meshed with any one gear in the gear train.So the inside and outside handle of turn door only can make gear train idle running, does not have practical significance to unblanking.Can not unblank, also can not catch, this has just prevented to catch naughty child by mistake.

When owner opens the door, prompting by the feel device, make the corner of key identical with individual predefined position, be meshed and to be unique energy satisfy the rack and pinion group of unblanking in this position, catch the out of mesh position of rack and pinion group simultaneously, so when owner's rotary door outdoor handle, the tooth bar action of only unblanking, door can be opened.

When the burglar unblanked, owing to be black-box operation, if he can't turn cylinder lock head assembly, the mechanism that also just can not be captured caught, so this lock will never be grabbed good person not in the know by mistake.If the lock core of burglar in can turn cylinder lock assembly unblanked, owing to can't decipher, do not know that promptly which angle is the tram that can unblank, if in the errors present turn handle outdoors do not mesh because errors present is the rack and pinion group of unblanking, and catch the position that tooth bar is meshed with gear train, turn handle outdoors not only can not be unblanked, must cause that but catching tooth bar moves, thereby affect the seizure mechanism action, and with burglar's handcuffss in door.

Seizure mechanism is installed in the knee of lower floor's drawback lock pipeline of lock body, the unblank purpose of pipeline of installation is: prevent that burglar's tool using from destroying the cylinder lock head assembly, catch mechanism and put handcuffs on plate, right handcuffs plate, tighten up spring, check pawl, separate the handcuffs cable wire, separated part such as handcuffs lock head component and form by a left side.At ordinary times, left and right handcuffs plate is open-shaped, is hidden in the fluting of pipeline, and the bottom of right handcuffs plate is shaped on ratchet, and this ratchet is controlled by check pawl, and check pawl is fixed on the handcuffs plate of a left side, and left and right handcuffs plate top has only lockhole hole.

At ordinary times, stretch the ending in the lockhole hole of left and right handcuffs plate top owing to catch dead bolt, though tighten up the left and right handcuffs plate of spring handle to the third side to tension owing to catch the positioning action of dead bolt, left and right handcuffs plate but can't be drawn close to the centre.When the burglar illegally reverses the cylinder lock assembly, and during mistake turn outside door handle, catch tooth bar and affect and catch dead bolt and extract lockhole out by catching cable wire, catch dead bolt and lose positioning action, left and right handcuffs plate is drawn close to the centre rapidly under the pulling of spring, and burglar's hand neck is blocked.Because the acting in conjunction of the bottom ratchet of right handcuffs plate and handcuffs plate bottom, left side check pawl, left and right handcuffs plate can't open.Burglar's hand-tight handcuffs in door, can't be escaped.

The beneficial effects of the utility model are carry out owing to the user opens hand to be stretched in the camera bellows, and in the camera bellows because space to be narrow and small, can't use large-scale broken lock tool, so the burglar can't destroy.In addition, this lock could realize after opening and also must being decrypted jointly by feel device and key that the burglar, will cause the seizure mechanism action, thereby the criminal is locked in outdoors and can't escapes if use master key to open by force owing to do not know decryption method.Thereby reliability height, anti-theft capability are strong, and the robber can't destroy.

Description of drawings:

Bottom in conjunction with the accompanying drawings.

Fig. 1 originally locks layer along the gear shaft sectional view.

Fig. 2 is this lock lower floor sectional drawing.

Fig. 3 is a feel device structural representation.

Fig. 4 catches the mechanism structure schematic diagram.

Among the figure: 1. lock body, 2. gear shaft, 3. handle outdoors, 4. the handle in, 5. spacer, 6. gear, the tooth bar of 7. unblanking is 8. caught tooth bar, 9. seizure cable wire, 10, the cable wire 11. unblank, 12. tooth bar guide pin bushings, 13. guide pin bushing supports, 14. the deciphering tooth bar, 15. preceding shift forks, 16. back shift forks, 17. return springs, 18. the deciphering gear, 19. feel devices, 20. cylinder lock heads, 21., 22. door drawback lock hole, 23. locking latches, 24. pipelines of unblanking, 25. left side handcuffs plate section, 26. right handcuffs plate sections, 27. lock bolts, 28. catch the dead bolt assembly, the position of 29. cylinder lock heads, 30. feel tanks wheel, 31. steel ball, 32. spring bases, 33. retainer springs, 34. fixed mount, 35. bearing pins, 36. left side handcuffs plates, 37. right handcuffs plate, 38. lockholes, 39. dead bolt seats, 40. dead bolt, 41. right spring pawl, 42. ratchets hung, 43. tighten up spring, 44. left sides hang spring pawl, 45. check pawls, 46. torsion spring, 47. separate the handcuffs cable wire, the hole of unblanking on 48..

The specific embodiment:

As Fig. 1.On the top of lock body 1, plurality of gears 6 and some spacers 5 are installed, (the spacer number equals the number of gears and adds 2, and spacer is identical with gear thickness, and spacer is littler than the outside diameter of gear).Gear 6 endoporus are square, and being sleeved on a section is on the foursquare gear shaft 2, and gear 6 and spacer 5 can slide on gear shaft 2 vertically.The handle outdoors 3 of the usefulness of unblanking and the handle 4 of Men Nei all are equipped with in the two ends of gear shaft 2, and what be meshed with gear train has two toothed rack, and one is the tooth bar 7 of unblanking, and another root is to catch tooth bar 8.Unblank tooth bar 7 is made one with lock bolt 27, is connected with the dead bolt (not shown) of the band spring that is installed in other places with 11 by two cable wires 10 simultaneously, can realize that many places unblank simultaneously.A unblank end of tooth bar 7 is positioned at the tooth bar guide pin bushing 12 of guiding, and tooth bar guide pin bushing 12 is arranged on the guide pin bushing support 13 that is fixed on the door 21.Catch tooth bar 8 and be connected by the seizure dead bolt 40 of cable wire 9 with the band spring of lower floor, what this seizure dead bolt 40 was controlled is to catch mechanism (Fig. 4).

Because gear train can slide on axle 2, their location relies on the preceding shift fork 15 at two ends and back shift fork 16 to carry out, these two shift forks 15 and 16 are fixed on the other deciphering tooth bar 14, coaxial with the deciphering gear 18 of deciphering tooth bar 14 normal engagements with feel device 19 and cylinder lock head 20, their common formation cylinder lock assemblies, above-mentioned part all is contained in the top of lock body 1, and this lock body 1 is fixed on the inboard of door 21.

When the user opens from the outside, by the hole 48 of unblanking on the door hand is stretched in the special pipeline 24 of unblanking of the lower floor of lock body, after touching lockhole, lockhole direction along the cylinder lock assembly, upwards insert key and turn key, remember sound by feel device 19, the corner that makes key with set identical and hold key, the moving handle 3 outdoors of another hand-screw can be opened lock.

When the user opens internally, hand is stretched into the lower floor of lock body by the door drawback lock hole 22 on the lock body 1, after touching lockhole, lockhole direction along the cylinder lock head assembly, upwards insert key and turn key, remember sound by feel device 19, the corner that makes key with set identical and hold key, handle 4 in the moving door of another hand-screw can open the door.

The operating principle of said mechanism is: behind this lock locking, gear train falls back on the home position under spring 17 effects.At this moment, unblank tooth bar 7 and catch tooth bar 8 and all be not meshed with any one gear in the gear train.So 3 inside and outside on handle of turn door can make gear train idle running.

When owner opens the door, prompting by feel device 19, make the corner of key identical with individual predefined position, be meshed with gear 6 and to be unique energy satisfy the tooth bar 7 of unblanking in this position, catch the out of mesh position of arbitrary gear in tooth bar 8 and the gear train simultaneously, so when owner's rotary door outdoor handle 3, tooth bar 7 actions of only unblanking, door can be opened.

When the burglar unblanks, if the lock core in can turn cylinder lock assembly 20 is unblanked, but owing to can't decipher, (it is identical with seizure moment to adjust to the moment of unblanking to can not find the tram that can unblank, the burglar can't be differentiated), if in the errors present turn handle outdoors, because being unblank tooth bar 7, do not mesh errors present with gear train, and the position that seizure tooth bar 8 is meshed with gear train, turn handle outdoors not only can not be unblanked, must cause that but catching tooth bar 8 moves, and catches mechanism action (Fig. 4) thereby affect, and burglar's handcuffss are lived.

Catch mechanism (Fig. 4) and be installed in the knee of lower floor's drawback lock pipeline 24 of lock body 1, catch mechanism by left side handcuffs plate 36, right handcuffs plate 37, tighten up spring 43, check pawl 45, separate handcuffs cable wire 47, separate part such as handcuffs lock head component (not shown) and form.Catching mechanism is arranged on the fixed mount 34 that is connected on the lock body 1, left side handcuffs plate 36 is hinged by bearing pin 35 with right handcuffs plate 37, being provided with spring controlled check pawl 45 on the handcuffs plate 36 of a left side matches with the right ratchet 42 that is provided with on the plate 37 of putting handcuffs on, tighten up spring 43 and be connected left side handcuffs plate and right the handcuffs on the corresponding left side of plate extension spring pawl 44, the right extension spring pawl 41, check pawl 45 connects separates handcuffs cable wire 47.Be provided with the lockhole 38 that communicates at left side handcuffs plate with right handcuffs plate top lap, the lock house that is positioned at lockhole 38 is arranged on dead bolt seat 39 by spring, catches cable wire 9 and links to each other with lock house 40.

At ordinary times, left and right handcuffs plate 36,37 is open-shaped, is hidden in the fluting of pipeline 24, and the bottom of right handcuffs plate 37 is shaped on ratchet 42, and this ratchet 42 is controlled by check pawl 45, and check pawl 45 is fixed on the handcuffs plate 36 of a left side, and left and right handcuffs plate top has lockhole 38.Fig. 2 catches mechanism and is arranged in the conduit section of unblanking, and catches dead bolt assembly 28 among the figure and mainly is made up of dead bolt seat 39, dead bolt 40 and spring.25 is left side handcuffs plate section, and 26 is right handcuffs plate section.29 is the position of cylinder lock head, and lockhole is downward.

At ordinary times, stretch in the only lockhole hole 38 on left and right handcuffs plate 36,37 tops, support by fixed mount 34 owing to catch dead bolt 40; Though tighten up spring 43 left and right handcuffs plate 36,37 to the third side to tension owing to catch the positioning action of dead bolt 40, left and right handcuffs plate 36,37 but can't be drawn close to the centre.When the burglar illegally twists cylinder lock assembly 20, and during mistake revolving door outdoor handle 3, to catch tooth bar 8 and affect and catch dead bolt 40 and extract lockholes 38 out by catching cable wire 9, left and right handcuffs plate is drawn close to the centre rapidly, and burglar's hand neck is blocked.Because the acting in conjunction of the bottom ratchet 42 of right handcuffs plate 37 and left side handcuffs plate 36 bottom check pawls 45, left and right handcuffs plate can't open.Burglar's hand-tight handcuffs in door 21, can't be escaped.

Fig. 3, feel device 19 is by sheave 30, steel ball 31, spring base 32, retainer spring 33 is formed, sheave 30 endoporus are square, and rotate simultaneously with lock core, whenever rotate through a groove, steel ball 31 falls in the groove in the promotion of retainer spring 33, can send sound, owner judges with this revolved several times, so that seek the tram.Whenever rotate through a groove, the gear train mobile phase is when the distance of a gear thickness.

The effect of locking latch 23 is: match with two holes below the tooth bar 7 of unblanking, realize the definitely locking of enable possition or locked position, at this moment, everybody can't open this lock.

After finding that the thief is grabbed, at first report to the police and dial " 110 ", after police's arrival, put handcuffs on the lock head component (not shown) by being hidden in separating of dark place, separate the rotation of handcuffs tapered end lock core with the key turn, affect and separate handcuffs cable wire 47, check pawl 45 overcomes the elastic force of torsion spring 46 and opens, burglar's hand can be extracted out, and traffic police side handles then.

Because above design, the burglar is difficult to this lock is cracked or destroys, thus this lock good reliability, the safety feature height.

The utility model is not limited to the foregoing description, for example, under the situation of not violating the design's structural principle, according to needs are installed whole lock body is installed in one side wall that doorframe relies on; Unblank tooth bar 7 and lock bolt 27 can infinitely extend in theory, even can realize remote open and close lock.

Claims (6)

1, dark open type anti-theft safety lock, it is characterized in that, lock body is fixed on the inboard of door, lock body divides two-layer up and down, the gear shaft suit that is positioned at the lock body upper strata a string number of teeth and identical 3 to 6 gears of modulus and with identical 5 to 8 spacers of gear thickness, gear and spacer can slide on gear shaft vertically; The handle of the usefulness of unblanking all is equipped with at the two ends of gear shaft, and what be meshed with gear train has two toothed rack, and one is the tooth bar of unblanking, and another root is to catch tooth bar; Unblank tooth bar and lock bolt is connected as a single entity, and catches tooth bar and connects one and catch mechanism by catching cable wire; Be provided with at the two ends of gear and spacer and be fixed on preceding shift fork and the back shift fork of deciphering on the tooth bar, the deciphering gear often meshes with the deciphering tooth bar, feel device and cylinder lock head are coaxial with the deciphering gear; Lock body lower floor is provided with two ends and is respectively a drawback lock hole, the bending in the hole pipeline of unblanking of unblanking outdoors, and cylinder lock head is positioned at this pipeline, catches mechanism and is arranged in the conduit section.

2, dark open type anti-theft safety lock according to claim 1, it is characterized in that, catching mechanism is arranged on the fixed mount that is connected on the lock body, left side handcuffs plate is hinged by bearing pin with right handcuffs plate, being provided with spring controlled check pawl on the handcuffs plate of a left side matches with the right ratchet that is provided with on the plate of putting handcuffs on, tighten up spring and be connected left side handcuffs plate and hang accordingly on the spring pawl with right handcuffs plate, check pawl connects separates the handcuffs cable wire; Be provided with the lockhole that communicates at left side handcuffs plate with right handcuffs plate top lap, the lock house that is positioned at lockhole is arranged on the dead bolt seat by spring, catches cable wire and links to each other with the lock house.

3, dark open type anti-theft safety lock according to claim 2 is characterized in that, separate the handcuffs cable wire connect one be hidden in the lock body dark place separate the handcuffs lock head component.

4, according to claim 1 or 3 described dark open type anti-theft safety locks, it is characterized in that, the feel device is made up of sheave, steel ball, spring base, retainer spring, the sheave square inner bore is socketed on the cylinder of spring lock, spring base is fixed on the feel device shell, retainer spring and steel ball are positioned at spring base and corresponding to the sheave surface of being with arc groove, sheave whenever rotates through a groove, and the gear train mobile phase is when the distance of a gear thickness.

5, dark open type anti-theft safety lock according to claim 1 is characterized in that, the tooth bar of unblanking is connected by the dead bolt of cable wire with the band spring that is installed in other place.

6, dark according to claim 1 or 5 open type anti-theft safety lock is characterized in that, also is provided with the locking latch that matches in two holes below the tooth bar of unblanking on lock body.

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