CN108868322B

CN108868322B - Panel fixing device of safety lock and safety lock

Info

Publication number: CN108868322B
Application number: CN201810689997.4A
Authority: CN
Inventors: 黄锡军; 李明
Original assignee: Guangdong Yunhui Hardware Industry Co ltd
Current assignee: Guangdong Yunhui Hardware Industry Co ltd
Priority date: 2018-06-28
Filing date: 2018-06-28
Publication date: 2020-04-14
Anticipated expiration: 2038-06-28
Also published as: CN108868322A

Abstract

The invention discloses a safety lock panel fixing device which comprises a fixing base and a panel, wherein a first lock cylinder hole is formed in the fixing base, a second lock cylinder hole is formed in the panel, and the first lock cylinder hole and the second lock cylinder hole are used for penetrating through a lock cylinder; the end face of the panel facing the door panel is provided with a fixed base accommodating groove, the panel is arranged to be rotatable relative to the fixed base when the fixed base is accommodated in the fixed base accommodating groove, the panel extends towards the fixed base accommodating groove to form first meshing teeth, and the fixed base is provided with second meshing teeth matched with the first meshing teeth; when the fixed base is accommodated in the fixed base accommodating groove, the first meshing teeth are clamped with the second meshing teeth by rotating the panel, and the panel is arranged to be non-rotatable relative to the fixed base when the lock cylinder penetrates through the second lock cylinder hole. The invention also discloses a safety lock. The panel fixing device of the safety lock does not need to use the locking action of the bolt, and the installation process is simple and quick.

Description

Panel fixing device of safety lock and safety lock

Technical Field

The invention relates to the technical field of mechanical door locks, in particular to a safety lock panel fixing device and a safety lock comprising the safety lock panel fixing device.

Background

At present, commercially available safety locks comprise an inner panel, an outer panel, a lock core shell, a safety knob, a lock body structure and the like. The safety lock penetrates through the inside and the outside of the door plate, a key hole is formed in one end, arranged outside the door plate, of the safety lock and used for unlocking the safety lock, and a key is inserted into the key hole to drive the lock cylinder of the safety lock to rotate so as to drive the lock tongue to retract or extend out of the lock body to unlock or lock. The safety lock is arranged at one end of the door plate and is provided with a safety knob, and the safety knob can be rotated to drive the lock cylinder of the safety lock to rotate so as to drive the lock tongue to retract or extend out of the lock body to realize unlocking or locking. When the safety lock is installed, the inner panel and the outer panel of the safety lock are fixedly installed on the inner side and the outer side of the door plate, the lock cylinder is inserted into the inner panel and the outer panel of the safety lock, and finally the lock cylinder shell is locked from the side face of the door plate, so that the installation process is completed.

However, in the existing safety lock, the installation process is separately performed inside and outside the door panel, and the inner panel and the outer panel are fixed on the door panel through bolts, so that when the safety lock is stolen, the safety lock and the whole anti-theft lock comprising the safety lock can still be detached by screwing out screws from the outer side of the door, and then property theft or damage of lock body structures such as an outer panel and a lock cylinder exposed on the outer side of the door are realized. In addition, the safety lock is fixedly installed by means of a plurality of screws, and the installation process is complex and inconvenient.

Disclosure of Invention

In order to overcome the defects of the prior art, an object of the present invention is to provide a panel fixing device of a safety lock, so as to overcome the problems of insufficient anti-theft function, complex installation process, etc. caused by the need of fixing a fixing base and a panel by bolts in the existing panel of the safety lock.

The invention also aims to provide a safety lock, which comprises the safety lock panel fixing device and solves the problems of insufficient anti-theft function, unchanged installation process and the like caused by the fact that the traditional panel needs to be fixed on a door panel through a bolt.

One of the purposes of the invention is realized by adopting the following technical scheme:

a safety lock panel fixing device comprises a fixing base and a panel, wherein a first lock cylinder hole is formed in the fixing base, a second lock cylinder hole is formed in the panel, and the first lock cylinder hole and the second lock cylinder hole are used for penetrating through a lock cylinder;

the end face, facing the door plate, of the panel is provided with a fixed base accommodating groove, the panel is arranged to rotate relative to the fixed base when the fixed base is accommodated in the fixed base accommodating groove, the panel extends towards the fixed base accommodating groove to form first meshing teeth, and the fixed base is provided with second meshing teeth matched with the first meshing teeth;

when the fixed base is accommodated in the fixed base accommodating groove, the first meshing teeth are clamped with the second meshing teeth by rotating the panel, and the panel is arranged to be non-rotatable relative to the fixed base when the lock cylinder penetrates through the second lock cylinder hole.

Further, the second lock cylinder hole comprises a round hole and a U-shaped hole extending outwards from the round hole, the opening of the U-shaped hole faces the round hole, and the second lock cylinder hole is axially symmetrical.

Furthermore, the safety lock panel fixing device also comprises a U-shaped clamp spring, fixing pins are arranged at two ends of the U-shaped clamp spring, and correspondingly, a first limiting block and a second limiting block are arranged in the fixing base accommodating groove;

when the U-shaped clamp spring is installed, the first limiting block abuts against the bottom of the U-shaped clamp spring, the second limiting block abuts against the fixed foot, and the distance between the two sides of the U-shaped clamp spring is equal to the distance between the two side walls of the U-shaped hole.

Further, the U-shaped jump ring is right angle U-shaped jump ring, the bottom of U-shaped jump ring and withstand the bottom of U-shaped jump ring are located to first stopper, the second stopper includes a pair of and the symmetry sets up in the top of fixed foot, the second stopper withstands fixed foot.

Furthermore, the distance between two sides of the bottom of the U-shaped clamp spring is equal to the distance between two side walls of the U-shaped hole, and the distance between two sides of the top of the U-shaped clamp spring is smaller than the distance between two side walls of the U-shaped hole;

the first limiting block is arranged at the bottom of the U-shaped clamp spring and props against the bottom of the U-shaped clamp spring, the second limiting block comprises a pair of limiting blocks which are symmetrically arranged at the tops of the fixed feet, and the second limiting block props against the fixed feet.

Furthermore, a third limiting block is further arranged in the fixed base accommodating groove, and the third limiting block comprises a pair of limiting blocks which are symmetrically arranged on two sides of the U-shaped hole;

when the U-shaped clamp spring is installed, the third limiting block abuts against two sides of the U-shaped clamp spring.

Furthermore, the fixing base is provided with a bolt hole, and the bolt hole is used for fixedly connecting the fixing base and the door plate.

Furthermore, a fourth limiting block is further arranged in the fixed base accommodating groove, and the fourth limiting block and the first meshing teeth are arranged side by side in the axial direction;

when the first meshing teeth are clamped with the second meshing teeth, the second meshing teeth are respectively abutted against the first meshing teeth and the fourth limiting block along the axial two end faces.

Furthermore, the first engaging teeth comprise three, and correspondingly, the second engaging teeth and the fourth limiting blocks comprise three.

The second purpose of the invention is realized by adopting the following technical scheme:

a safety lock comprises the safety lock panel fixing device and the lock cylinder, wherein the lock cylinder is arranged to be fixed on a door plate when the safety lock is installed.

Compared with the prior art, the invention has the beneficial effects that:

(1) the invention relates to a safety lock panel fixing device, which is characterized in that a fixing base is firstly installed on a door plate, then the panel is covered on the fixing base and is rotated, so that first meshing teeth of the panel are clamped with second meshing teeth of the fixing base, and finally a lock cylinder is inserted into a first lock cylinder hole and a second lock cylinder hole on the inner side and the outer side of the door plate. In addition, when the panel is arranged on the fixed base, the panel can be clamped with the fixed base by rotating the panel, the installation process is simple and quick, and the trouble of locking/taking the bolt is saved.

(2) The safety lock comprises the safety lock panel fixing device, the panel part exposed outside the door does not need bolts for installing the panel, so that the theft behavior caused by destroying the safety lock panel fixing device exposed outside the door is effectively avoided, the panel fixing device outside the door is effectively protected, the anti-theft function of the safety lock is enhanced, and the installation process of the anti-theft lock is also facilitated.

Drawings

FIG. 1 is an exploded view of a safety lock in accordance with one embodiment of the present invention;

FIG. 2 is a schematic structural view of the panel shown in FIG. 1;

FIG. 3 is a schematic structural view of the fixing base shown in FIG. 1;

FIG. 4 is an exploded view of the security lock panel securement device;

FIG. 5 is a schematic structural view of the U-shaped clamp spring shown in FIG. 4;

fig. 6 is a schematic structural view of another embodiment of a U-shaped clamp spring.

In the figure: 1. a fixed base; 11. a first barrel aperture; 12. a second meshing tooth; 13. bolt holes; 2. a panel; 21. a second cylinder bore; 22. a fixed base receiving groove; 23. a first meshing tooth; 24. a first stopper; 25. a second limiting block; 26. a third limiting block; 3. a lock cylinder; 31. a lock cylinder fixing hole; 4. a U-shaped clamp spring; 41. and fixing the feet.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

Example 1

Fig. 1 shows a safety lock according to an embodiment of the present invention. The safety lock comprises a safety lock panel fixing device and a lock cylinder 3, wherein the safety lock panel fixing device comprises a fixing base 1 and a panel 2. The process of installing the safety lock comprises the following three steps: firstly, a fixed base 1 is fixedly arranged on the inner side and the outer side of a door panel, a panel 2 is covered on the fixed base 1, and the panel 2 is rotated to enable the panel 2 and the fixed base 1 to be clamped together; secondly, inserting a lock cylinder 3 from the inner side of the door plate to the outer side, wherein the lock cylinder 3 simultaneously penetrates through a first lock cylinder hole and a second lock cylinder hole on the inner side of the door plate and a first lock cylinder hole and a second lock cylinder hole on the outer side of the door plate; thirdly, a fixing bolt is inserted from the side surface of the door plate bolt, and at the moment, the fixing bolt penetrates through the lock cylinder fixing hole 31 and fixes the lock cylinder 3, so that the installation process of the safety lock is completed. Because fixing bolt inserts lock core fixed orifices 31 and lock core 3 from the door plant spring bolt side, lock core 3 can't carry out axial rotation, from this, panel 2 also can't rotate with lock core 3 is synchronous, panel 2 and unable base 1 keep the joint state.

As shown in fig. 2-3, the panel fixing device of the safety lock comprises a fixing base 1 and a panel 2, wherein a first lock cylinder hole 11 is formed in the fixing base 1, a second lock cylinder hole 21 is formed in the panel 2, the first lock cylinder hole 11 and the second lock cylinder hole 21 have the same shape and are used for penetrating through a lock cylinder 3, and the lock cylinder 3 cannot freely rotate in the first lock cylinder hole 11 and the second lock cylinder hole 21, namely, the lock cylinder 3 plays a role in blocking the panel 2 from freely rotating. The end surface of the panel 2 facing the door panel is provided with a fixing base accommodating groove 22, and the fixing base accommodating groove 22 is used for accommodating the fixing base 1 when the panel 2 covers the fixing base 1. When the fixed base 1 is received in the fixed base receiving groove 22, the panel 2 is rotatable relative to the fixed base 1. The panel 2 is further provided with a first engaging tooth 23, and the first engaging tooth 23 extends from the panel 2 to the fixing base accommodating groove 22 and is suspended in the fixing base accommodating groove 22 (i.e. a gap is formed above the end surface of the first engaging tooth 23 facing away from the door panel in the axial direction for engaging with the following second engaging tooth 12). The fixing base 1 is provided with second engaging teeth 12 matched with the first engaging teeth 23, the second engaging teeth 12 are formed by extending outwards along the radial direction of the fixing base 1, the first engaging teeth 23 are distributed on the periphery of the fixing base accommodating groove 22 in a staggered manner, and correspondingly, the second engaging teeth 12 are distributed on the periphery of the fixing base 1 in a staggered manner. When installing insurance lock panel fixing device, can be earlier in unable adjustment base 1 holding in unable adjustment base storage tank 22, make first meshing tooth 23 joint second meshing tooth 12 along axial rotation panel 2, at this moment, first lock core hole 11 is relative with second lock core hole 21 and is used for wearing to establish lock core 3, when wearing to locate first lock core hole 11 and second lock core hole 21 with lock core 3 in, panel 2 is limited by the unable relative adjustment base 1 of the effect of blockking of lock core 3 and rotates, guaranteed first meshing tooth 23 firmly joint second meshing tooth 12 from this. The installation of panel 2, fixed process need not fix through the bolt, and unable adjustment base 1 protects through panel 2, and the trouble that the bolt was fixed has been saved on unable adjustment base 1 to panel 2 joint, has strengthened the theftproof function of this safety lock. Meanwhile, the panel 2 protects the fixed base 1 and the lock cylinder 3, and the fixed base 1, the lock cylinder 3 and other lock body structures can be protected. In addition, the installation process of the safety lock panel fixing device is simple and rapid, and the installation and disassembly process of the safety lock panel fixing device is convenient.

As a preferred embodiment, as shown in fig. 2, the second key cylinder hole 21 includes a round hole and a U-shaped hole extending downward from the round hole, and the U-shaped hole opens toward the round hole, so that the U-shaped hole and the round hole together form a second key cylinder hole 21 with smooth contour, and the key cylinder 3 can be conveniently inserted into the second key cylinder hole 21. In this embodiment, the symmetry axis of the U-shaped hole passes through the center of the circular hole, and therefore, the second lock cylinder hole 21 is arranged in an axisymmetric shape, so that the surfaces of the second lock cylinder hole 21 and the lock cylinder 3 are smooth and the installation process is convenient.

As a preferred embodiment, as shown in fig. 4-5, the panel fixing device of the safety lock further comprises a U-shaped clamp spring 4, and fixing pins 41 are arranged at both ends of the U-shaped clamp spring 4. Correspondingly, a first limiting block 24 and a second limiting block 25 are disposed in the fixing base accommodating groove 22, and the first limiting block 24 and the second limiting block 25 are disposed in the fixing base accommodating groove 22 and integrally connected with the panel 2. In this embodiment, the fixing legs 41 include a pair and are symmetrically disposed on two sides of the U-shaped hole, and the second limiting block 25 also includes a pair and are symmetrically disposed on two sides of the U-shaped hole. When this U-shaped jump ring 4 of installation, with the region between first stopper 24 of embedding and the second stopper 25 during U-shaped jump ring 4, at this moment, first stopper 24 is from up withstanding U-shaped jump ring 4's bottom down, second stopper 25 is from last to down withstanding a pair of fixed foot 41, therefore, be fixed in unable base storage tank 22 with U-shaped jump ring 4 through first stopper 24 and second stopper 25, from this, link together U-shaped jump ring 4 and panel 2 through first stopper 24 and second stopper 25, U-shaped jump ring 4 can't rotate for panel 2. The distance between the two sides of the U-shaped clamp spring 4 is equal to the distance between the two side walls of the U-shaped hole. When the safety lock panel fixing device is installed, when the lock cylinder 3 is inserted into the second lock cylinder hole 21, the U-shaped protruding end of the lock cylinder 3 is clamped in the U-shaped clamp spring 4, and the lock cylinder 3 is locked by the bolt and cannot rotate, so that the U-shaped clamp spring 4 clamped outside the lock cylinder 3 cannot rotate as well, and therefore, the lock cylinder 3 is fixedly connected with the panel 2 through the U-shaped clamp spring 4, and when the lock cylinder 3 is locked and cannot rotate, the panel 2 cannot rotate as well, and therefore, the panel 2 is further fixedly covered on the fixing base 1 by means of the U-shaped clamp spring 4. In addition, the lock cylinder 3 is clamped through the U-shaped clamp spring 4, the outside strong force can be effectively buffered to act on the panel 2 by means of the elasticity of the U-shaped clamp spring 4, the panel 2 can be further ensured to be fastened and connected with the lock cylinder 3 for a long time, and the panel 2 is not loosened relative to the lock cylinder 3 in the using process.

As a preferred embodiment, as shown in fig. 4-5, the distance between two sides of the bottom of the U-shaped clamp spring 4 is equal to the distance between two side walls of the U-shaped hole, and the distance between two sides of the top of the U-shaped clamp spring 4 (the top of the U-shaped spring connected with the fixing leg 41) is smaller than the distance between two side walls of the U-shaped hole, so that the distance between two sides of the top of the U-shaped clamp spring 4 is smaller than the distance between two sides of the bottom. When installing this U-shaped jump ring 4 in unable adjustment base storage tank 22, first stopper 24 is from up the bottom of withstanding U-shaped jump ring 4 down, second stopper 25 is from up down withstanding a pair of fixed foot 41, at this moment, U-shaped jump ring 4 top is sunken to U-shaped hole, when inserting lock core 3 and locate in second lock core hole 21, the U-shaped overhang of lock core 3 presss from both sides and locates in U-shaped jump ring 4 and extrude U-shaped jump ring 4 top to both sides, the both sides atress of U-shaped jump ring 4 extrudees the second stopper 25 of top and the first stopper 24 of below simultaneously, further play the effect of fixing panel 2, it is not hard up to prevent that long-term use in-process panel 2 is relative lock core 3.

As a preferred embodiment, as shown in fig. 4, a third limiting block 26 is further disposed in the fixed base accommodating groove 22, the third limiting block 26 includes a pair of portions symmetrically disposed on two sides of the U-shaped hole, and the third limiting block 26 and the panel 2 are integrally formed. When installing this U-shaped jump ring 4, third stopper 26 withstands U-shaped jump ring 4's both sides to the middle part from U-shaped jump ring 4's the left and right sides, from this, guarantee that lock core 3 inserts second lock core hole 21 and when extrudeing U-shaped jump ring 4 top to both sides, third stopper 26 plays the effect that prevents U-shaped jump ring 4 buckling deformation, clip U-shaped jump ring 4's both sides in both sides through third stopper 26, further play the effect of fixing panel 2, it is not hard up to prevent that panel 2 is relative lock core 3 in the long-term use.

As shown in fig. 3, a bolt hole 13 is provided in the fixing base 1, and the bolt hole 13 is used to fixedly connect the fixing base 1 to the door panel. Through setting up bolt hole 13 on unable adjustment base 1 for unable adjustment base 1 fixed connection is on the door plant, covers unable adjustment base 1 with panel 2 at last, from this, hides bolt hole 13 through panel 2, has prevented effectively through the theft action of back-out bolt and then this lock body of external destruction.

As a preferred embodiment, a fourth limiting block is further disposed in the fixing base accommodating groove 22, and the fourth limiting block and the first engaging teeth 23 are disposed side by side along the axial direction, so that a certain gap is formed between the fourth limiting block and the first engaging teeth 23 for clamping the second engaging teeth 12. In this embodiment, as shown in fig. 4, the fourth stopper is the first stopper 24, and in other embodiments, the fourth stopper and the first stopper 24 may be separately and independently disposed. When the first engaging teeth 23 engage with the second engaging teeth 12, two axial end faces of the second engaging teeth 12 respectively abut against the first engaging teeth 23 and the first limiting blocks 24. Therefore, the second meshing teeth 12 are clamped through the gaps between the first limiting blocks 24 and the first meshing teeth 23, the fixing base 1 and the panel 2 are connected in a better fastening mode, and looseness between the fixing base 1 and the panel 2 is prevented.

Example 2

Example 2 differs from example 1 in that: as shown in fig. 6, U-shaped jump ring 4 is right angle U-shaped jump ring, when installing unable adjustment base storage tank 22 with this U-shaped jump ring 4 in, first stopper 24 is from up withstanding U-shaped jump ring 4's bottom down, second stopper 25 is from last to down withstanding a pair of fixed foot 41, establish U-shaped jump ring 4 through inserting lock core 3, therefore, make U-shaped jump ring 4 can't rotate relative lock core 3, through U-shaped jump ring 4 and first stopper 24 and second stopper 25 butt, prevent that panel 2 is relative U-shaped jump ring 4 from rotating, finally guaranteed panel 2 and lock core 3 relatively fixed, make panel 2 can't rotate relative lock core 3.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims

1. A safety lock panel fixing device is characterized by comprising a fixing base and a panel, wherein a first lock cylinder hole is formed in the fixing base, a second lock cylinder hole is formed in the panel, and the first lock cylinder hole and the second lock cylinder hole are used for penetrating through a lock cylinder;

when the fixed base is accommodated in the fixed base accommodating groove, the panel is rotated to enable the first meshing teeth to be clamped with the second meshing teeth, and the panel is arranged to be non-rotatable relative to the fixed base when the lock cylinder penetrates through the second lock cylinder hole;

the safety lock panel fixing device further comprises a U-shaped clamp spring, fixing pins are arranged at two ends of the U-shaped clamp spring, and correspondingly, a first limiting block and a second limiting block are arranged in the fixing base accommodating groove;

2. A security lock panel securement device as in claim 1 wherein said second cylinder aperture comprises a circular aperture and a U-shaped aperture extending outwardly from said circular aperture, said U-shaped aperture opening toward said circular aperture, said second cylinder aperture being disposed in axial symmetry.

3. The panel fixing device of claim 2, wherein the U-shaped clamp spring is a right-angled U-shaped clamp spring, the first limiting blocks are disposed at the bottom of the U-shaped clamp spring and abut against the bottom of the U-shaped clamp spring, the second limiting blocks comprise a pair of pairs and are symmetrically disposed at the top of the fixing legs, and the second limiting blocks abut against the fixing legs.

4. A panel securement device as in claim 2 wherein the distance between the sides of the bottom of said U-shaped retaining spring is equal to the distance between the two side walls of said U-shaped hole and the distance between the sides of the top of said U-shaped retaining spring is less than the distance between the two side walls of said U-shaped hole;

5. The panel fixing device of claim 4, wherein a third limiting block is further disposed in the fixing base receiving groove, and the third limiting blocks include a pair of third limiting blocks symmetrically disposed on two sides of the U-shaped hole;

6. The apparatus as claimed in claim 4, wherein the fixing base has a bolt hole for fixedly connecting the fixing base and the door plate.

7. The panel securing apparatus according to claim 1, wherein a fourth stopper is further disposed in the receiving groove of the securing base, and the fourth stopper and the first engaging tooth are disposed axially side by side;

8. A panel securement device according to claim 7, wherein said first engagement tooth includes three, and correspondingly, said second engagement tooth and said fourth stop include three.

9. A security lock comprising a security lock panel securement device as claimed in any one of claims 1 to 8 and a lock cylinder arranged to be secured to a door panel when the security lock is installed.