CN215671578U

CN215671578U - Unlocking auxiliary device capable of protecting lock

Info

Publication number: CN215671578U
Application number: CN202122150063.3U
Authority: CN
Inventors: 向金健
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-09-07
Filing date: 2021-09-07
Publication date: 2022-01-28
Anticipated expiration: 2031-09-07

Abstract

The utility model provides an unlocking auxiliary device capable of protecting a lock, which comprises a bottom plate, a lock protecting cylinder, a protective cover, a handle, a movable rod and a key clamp, wherein a door lock hole is formed in the bottom plate, the lock protecting cylinder corresponds to the door lock hole and is fixed on the bottom plate, the top of the lock protecting cylinder is connected with the protective cover, a first guide opening is formed in the protective cover, the handle is connected with one end of the movable rod, the other end of the movable rod is connected with the key clamp, and the key clamp movably penetrates into the lock protecting cylinder through the first guide opening. The device can hide the lockhole on the lock through protecting a lock section of thick bamboo, strengthens the theftproof performance, prevents to be illegally unblanked, and simple structure, convenient to use are fit for promoting.

Description

Unlocking auxiliary device capable of protecting lock

Technical Field

The utility model relates to the technical field of locks, in particular to an unlocking auxiliary device capable of protecting a lock.

Background

The mechanical lock and the intelligent lock sold in the market at present are provided with the standby mechanical lock, the lock hole of the door lock is exposed outside the door, the anti-theft performance is poor, and the mechanical lock and the intelligent lock are easily illegally unlocked or destructively unlocked by using unlocking tools (such as iron wires, toothpicks and the like) by lawbreakers and cannot play a good anti-theft role.

SUMMERY OF THE UTILITY MODEL

In order to overcome the problems in the prior art, the utility model provides an unlocking auxiliary device capable of protecting a lock, which has the following specific scheme:

the utility model provides an auxiliary device that unblanks that can protect lock, includes the bottom plate, protects a lock section of thick bamboo, protective cover and lock opener, be equipped with a lockhole on the bottom plate, protect a lock section of thick bamboo corresponding lockhole to fix on the bottom plate, the protective cover is connected at its top, is equipped with first direction opening on the protective cover, lock opener includes handle, movable bar and key anchor clamps, movable bar one end is connected to the handle, and key anchor clamps are connected to the movable bar other end, and key anchor clamps penetrate through the activity of first direction opening and protect a lock section of thick bamboo.

Further, including first key deflector and second key deflector, it is equipped with the key business turn over groove to protect a lock section of thick bamboo top one side, and two first key deflector one end difference symmetric connection are in key business turn over groove both sides, and the other end is connected respectively and is protecting a lock section of thick bamboo inner wall both sides, and the second key deflector is connected in key business turn over tank bottom portion, and the lock section of thick bamboo top opposite side that protects that corresponds the key business turn over groove is equipped with the guide way, and the guide way corresponds and the first direction opening of UNICOM.

Furthermore, the key access slot is T-shaped, and the bottom of the lock protection cylinder is also provided with an observation window.

Further, the unlocking device further comprises a ball guide seat, a connecting block, balls and fixing blocks, the balls are arranged in the ball guide seat, the ball guide seat is in a round pipe shape, a second guide opening corresponding to the first guide opening is formed in the bottom side of the ball guide seat, an arc-shaped guide opening is formed in one end of the top side opposite to the second guide opening, two sides of the ball guide seat are connected with the connecting block respectively, the connecting block is in an L shape, two ends of the two connecting blocks penetrate through the two fixing blocks respectively in a rotating shaft moving mode, the two fixing blocks are symmetrically arranged on two sides of the first guide opening respectively and fixed on the protective cover, a clamping shaft is further arranged on one connecting block, a clamping opening is formed in the fixing block on one side corresponding to the clamping shaft, the clamping shaft is clamped on the clamping opening, the handle is connected with one end of the movable rod, and the other end of the movable rod movably penetrates through the balls to connect the key clamp.

Further, the key anchor clamps include spacing axle, U type frame, fixed axle, key cassette, torque spring and key cramp, the movable rod bottom is connected to spacing axle one end, and U type frame bottom is connected to the other end, and the activity penetrates torque spring and key cramp from the left hand right side in proper order in the fixed axle, and torque spring one end offsets with spacing axle top, and the other end offsets with key cramp top, and the fixed axle both ends are connected respectively at U type frame top both ends.

Further, the size of the handle is larger than the size of the first guide opening, which is larger than the size of the key holder.

Further, a lighting device is installed on the outer side of the lock protection cylinder.

THE ADVANTAGES OF THE PRESENT INVENTION

The unlocking auxiliary device capable of protecting the lock is arranged on the door through the bottom plate, so that the lock hole on the door lock can be hidden through the lock protecting cylinder, the anti-theft performance is enhanced, illegal unlocking is prevented, and the unlocking auxiliary device is simple in structure, convenient to use and suitable for popularization.

Drawings

Fig. 1 is an exploded view of the entire structure of embodiment 1.

Fig. 2 is a schematic view of a connection structure between the protecting cover and the lock opener of fig. 1.

Fig. 3 is a schematic view of a connection structure of the lock protection cylinder and the bottom plate of fig. 1.

Fig. 4 is an exploded view of the door lock of fig. 1 mounted to the door lock.

Fig. 5 is a schematic view of the key clamping state of fig. 1.

Fig. 6 is a schematic view of the clamped key of fig. 1 in an unlocked state.

Fig. 7 is a schematic view of the entire structure of embodiment 2.

In the figure:

1. a base plate; 101. a door lock hole; 2. a lock protection cylinder; 201. the key enters and exits the slot; 202. a guide groove; 203. an observation window; 3. A protective cover; 301. a first guide opening; 4. a handle; 5. a movable rod; 6. a key clamp; 61. a limiting shaft; 62. a U-shaped frame; 63. a fixed shaft; 64. a key holder; 65. a torsion spring; 66 a key fastener; 7. a first key guide plate; 8. a second key guide plate; 9. a ball guide seat; 10. connecting blocks; 11. a ball bearing; 12. a fixed block; 13. a door lock; 14. a second guide opening; 15. an arc-shaped guide opening; 16. a rotating shaft; 17. clamping a shaft; 18. and (4) a bayonet.

Detailed Description

The present invention will be further explained and illustrated with reference to the following embodiments and the accompanying drawings, wherein it is to be noted that the embodiments are not intended to limit the scope of the present invention.

Example 1

As shown in fig. 1 to 6, an unlocking assisting device capable of protecting a lock provided in embodiment 1 includes a bottom plate 1, a lock protecting cylinder 2, a protecting cover 3, a first key guide plate 7, a second key guide plate 8, and a lock opener, wherein a door lock hole 101 is formed in the bottom plate 1, and the lock protecting cylinder 2 corresponds to the door lock hole 101 and is fixed on the bottom plate 1.

A key inlet and outlet groove 201 is formed in one side of the top of the lock protection cylinder 2, and the key inlet and outlet groove 201 is preferably T-shaped. One ends of the two first key guide plates 7 are respectively and symmetrically connected to two sides of the key inlet and outlet groove 201, the other ends of the two first key guide plates are respectively connected to two sides of the inner wall of the lock protection cylinder 2, and the second key guide plate 8 is connected to the bottom of the key inlet and outlet groove 201. First key deflector 7 and second key deflector 8 all play the effect of direction to the key, prevent that the key from stretching into and protecting in the lock cylinder 2 because the great inconvenient key of space stretches into and takes out. The other side of the top of the lock protection cylinder 2 corresponding to the key in-out groove 201 is provided with a guide groove 202, the guide groove 202 corresponds to and is communicated with the first guide opening 301, and the purpose is to enable one end of the movable rod 5 to move up and down along the directions of the first guide opening 301 and the guide groove 202, so that the key clamp 6 connected with the other end of the movable rod 5 drives the key to move in and out of the key in-out groove 201.

The bottom of the lock protection cylinder 2 is further provided with an observation window 203, the observation window 203 is correspondingly arranged below the guide groove 202, and the observation window 203 is used for conveniently observing that the key can be accurately inserted into the keyhole of the door lock 13.

The unlocking device comprises a handle 4, a movable rod 5, a key clamp 6, a ball guide seat 9, a connecting block 10, balls 11 and a fixed block 12, a first guide opening 301 is formed in a protective cover 3, the balls 11 are arranged in the ball guide seat 9 to rotate by 0.5-1 cm, the ball guide seat 9 is in a circular tube shape, a second guide opening 14 corresponding to the first guide opening 301 is formed in the bottom side of the ball guide seat, an arc-shaped guide opening 15 is formed in one end of the top side opposite to the second guide opening 14, two outer sides of the ball guide seat 9 are respectively connected with the connecting block 10, the connecting block 10 is in an L shape, and the effect of the locking device can ensure that the balls 11 only rotate in the ball guide seat 9. Two ends of the two connecting blocks 10 are movably arranged on the two fixing blocks 12 in a penetrating manner through the rotating shaft 16 respectively, so that the ball guide seat 9 can move by 0.5-1 cm left and right on the two fixing blocks 12, the two fixing blocks 12 are symmetrically arranged on two sides of the first guide opening 301 respectively and are fixed on the protective cover 3, a clamping shaft 17 is further arranged on one connecting block 10, a bayonet 18 is arranged on the fixing block 10 on one side corresponding to the clamping shaft 17, the clamping shaft 17 is clamped on the bayonet 18, and the purpose is to prevent the ball guide seat 9 from rotating up and down. The handle 4 is connected with one end of a movable rod 5, and the other end of the movable rod 5 movably penetrates through a ball 11 to be connected with a key clamp 6. The movable rod 5 can move back and forth in the ball 11 and can rotate up and down in the direction of the second guide opening 14 and the arc-shaped guide opening 15, thereby enabling the key clamped on the key holder 6 to enter and exit the key entry and exit groove 201. Preferably, key anchor clamps 6 include spacing axle 61, U type frame 62, fixed axle 63, key cassette 64, torsion spring 65 and key ring spare 66, 5 bottoms on the movable rod are connected to spacing axle 61 one end, U type frame 62 bottom is connected to the other end, the activity penetrates torsion spring 65 and key ring spare 66 from left to right in proper order in the fixed axle 63, and torsion spring 65 one end offsets with spacing axle 61 top, the other end offsets with key ring spare 66 top, fixed axle 63 both ends are connected respectively at U type frame 62 top both ends. And finally, welding the protective cover 3 on the top of the lock protection cylinder 2. In order to facilitate unlocking at night or in a dark place due to unclear vision, a lighting device (not shown) is installed on the outer side of the lock protection cylinder 2.

The handle 4 has the function of preventing the movable rod 5 from sliding down in the lock protection cylinder 2; secondly, be convenient for the rotation control key unblank.

The limiting shaft 61 is used for abutting against the connecting block 10 when the movable rod 5 is pulled out, and limiting the position of the movable rod 5 pulled out.

The key holder 64 functions to provide a detent for the key.

The key ring retainer 66 functions to retain a key that is captured on the key holder 64.

The torsion spring 65 functions to enable the key retaining member 66 to release and retain the key.

The working principle is as follows:

when the door lock needs to be unlocked, the movable rod 5 is pulled out through the handle 4 and moves along the horizontal direction of the first guide opening 301, the guide groove 202 and the second guide opening 14, so that the key clamp 6 extends out of the key inlet and outlet groove 201, a key is clamped into the key clamping seat 61, the key is fastened through the key fastening piece 66 to prevent the key from sliding out of the key clamping seat 61 due to loosening, after the key is clamped, the key moves along the vertical direction of the first guide opening 301, the guide groove 202 and the second guide opening 14, so that the key extends into the lock protection cylinder 2 through the key inlet and outlet groove 201, the key is accurately inserted into a lock hole of the door lock 13 through the observation window 203, the handle 4 is rotated to control the key to be unlocked, after the lock is unlocked, the movable rod 5 is pulled out through the handle 4, the key extends out of the key inlet and outlet groove 201 along the first key guide plate 7 and the second key guide plate 8 to loosen the key fastening piece 66, the key is removed from the key holder 64.

Example 2

As shown in fig. 7, an unlocking assisting device capable of protecting a lock provided in embodiment 2 includes a bottom plate 1, a lock protection cylinder 2, a protecting cover 3 and a lock opener, the bottom plate 1 is provided with a door lock hole 101, the lock protection cylinder 2 corresponds to the door lock hole 101 and is fixed on the bottom plate 1, the top of the lock protection cylinder is connected to the protecting cover 3, the protecting cover 3 is provided with a first guiding opening 301, the lock opener includes a handle 4, a movable rod 5 and a key clamp 6, the handle 4 is connected to one end of the movable rod 5, the other end of the movable rod 5 is connected to the key clamp 6, the key clamp 6 movably penetrates into the lock protection cylinder 2 through the first guiding opening 301, preferably, the size of the handle 4 is larger than that of the first guiding opening 301, and the purpose of preventing the handle 4 from extending into the lock protection cylinder 3 and being difficult to be taken out is achieved. The first guide opening 301 is larger in size than the key holder 6, so that the key holder 6 can be inserted into the lock cylinder 2 through the first guide opening 301 to be unlocked.

Principle of operation

When the lock needs to be unlocked, the movable rod 5 is taken out of the lock protection cylinder 2 through the first guide opening 301, the key is clamped in the key clamp 6, the movable rod 5 extends into the lock protection cylinder 2 through the first guide opening 301, the key clamped in the key clamp 6 is inserted into a lock hole in the door lock 13 through the movable rod 5, and the lock is unlocked through the rotating handle 4.

Claims

1. The utility model provides an auxiliary device that unblanks that can protect lock, its characterized in that includes the bottom plate, protects a lock section of thick bamboo, protective cover and lock opener, be equipped with a lockhole on the bottom plate, protect a lock section of thick bamboo corresponding lockhole to fix on the bottom plate, the protective cover is connected at its top, is equipped with first direction opening on the protective cover, lock opener includes handle, movable bar and key anchor clamps, movable bar one end is connected to the handle, and key anchor clamps are connected to the movable bar other end, and key anchor clamps penetrate through the activity of first direction opening and protect a lock section of thick bamboo.

2. The lock-opening assisting device capable of protecting a lock according to claim 1, comprising a first key guide plate and a second key guide plate, wherein a key inlet and outlet groove is formed in one side of the top of the lock-protecting cylinder, one end of each of the first key guide plates is symmetrically connected to two sides of the key inlet and outlet groove, the other end of each of the first key guide plates is connected to two sides of the inner wall of the lock-protecting cylinder, the second key guide plate is connected to the bottom of the key inlet and outlet groove, a guide groove is formed in the other side, corresponding to the key inlet and outlet groove, of the top of the lock-protecting cylinder, and the guide grooves correspond to and are communicated with the first guide openings.

3. A lock opening assisting device capable of protecting a lock as claimed in claim 2, wherein the key entering and exiting groove is T-shaped, and a viewing window is further provided at the bottom of the lock protection cylinder.

4. An unlocking aid for a protectable lock according to claim 1, the unlocking device also comprises a ball guide seat, a connecting block, a ball and a fixing block, wherein the ball is arranged in the ball guide seat which is in a circular tube shape, a second guide opening corresponding to the first guide opening is arranged on the bottom side of the ball guide seat, an arc-shaped guide opening is arranged at one end of the top side opposite to the second guide opening, the outer two sides of the ball guide seat are respectively connected with the connecting block, the connecting block is L-shaped, two ends of the two connecting blocks are respectively and movably arranged on the two fixing blocks through the rotating shaft, the two fixing blocks are respectively and symmetrically arranged at two sides of the first guide opening and are fixed on the protective cover, one of the connecting blocks is also provided with a clamping shaft, a bayonet is arranged on the fixing block at one side corresponding to the clamping shaft, the clamping shaft is clamped on the bayonet, the handle is connected with one end of the movable rod, and the other end of the movable rod movably penetrates through the ball to be connected with the key clamp.

5. The auxiliary device that unblanks of ability protect lock of claim 1 or 4, its characterized in that, the key anchor clamps include spacing axle, U type frame, fixed axle, key cassette, torsion spring and key cramp, spacing axle one end is connected the movable rod bottom, and U type frame bottom is connected to the other end, and the activity penetrates torsion spring and key cramp from left to right in proper order in the fixed axle, and torsion spring one end offsets with spacing axle top, and the other end offsets with key cramp top, and the fixed axle both ends are connected respectively at U type frame top both ends.

6. An assist device as claimed in claim 1, wherein the handle is of a size greater than the first guide opening, the first guide opening being of a size greater than the key holder.

7. An auxiliary unlocking device of a protectable lock as claimed in claim 1, wherein an illumination device is installed outside the cylinder of the protectable lock.