CN112282514A

CN112282514A - Reset structure, prevent cat eye structure of unblanking and have pickproof lock of switching-over function

Info

Publication number: CN112282514A
Application number: CN202011086565.8A
Authority: CN
Inventors: 卢长志; 杜可伟
Original assignee: Guangdong Heron Intelligent Technology Co ltd
Current assignee: Guangdong Heron Intelligent Technology Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-01-29

Abstract

The invention discloses a reset structure, which comprises a handle, a rotating mechanism arranged on the handle and a reset mechanism used for resetting the rotating mechanism to a horizontal position, wherein the rotating mechanism comprises a handle head and a clutch push block arranged on the handle head. Secondly, the invention also provides a cat eye unlocking prevention structure with the reset structure, which comprises a switch toggle key and a clutch pin; a first slot for placing the clutch pin is arranged in the clutch push block, and a second slot is arranged on the handle head. Therefore, under the action of the reset mechanism, the handle head and the clutch push block can be always kept in a horizontal position after being reset, so that the clutch pin can smoothly extend into the second slot of the handle head from the first slot of the clutch pin when the switch is turned on and off, and the cat eye prevention function is further opened and closed. Finally, the invention also provides an anti-theft lock with the cat eye unlocking prevention structure and a reversing function.

Description

Reset structure, prevent cat eye structure of unblanking and have pickproof lock of switching-over function

Technical Field

The invention relates to the technical field of door locks, in particular to a reset structure, a cat eye unlocking prevention structure and an anti-theft lock with a reversing function.

Background

In order to improve the anti-theft performance of the existing anti-theft lock on the market, the handle of the rear panel and the lock body are usually made into a clutch connection mode. When the cat eye prevention function needs to be started, the clutch pin can be separated from the handle head by shifting the corresponding switch shifting key, and the door lock cannot be opened by pressing down the handle; when the cat eye function is prevented not needing to open, toggle switch shifting key makes separation and reunion round pin and handle head draw-in groove looks joint, rotates the handle this moment and can control opening and closing of lock.

However, in the process of matching the clutch pin with the handle head by toggling the switch toggle key, the position of the handle head may deviate after the handle head is reset, so that the clutch pin cannot smoothly extend into the handle head, and further the cat-eye prevention function is disabled.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a reset structure, a cat eye unlocking prevention structure and an anti-theft lock with a reversing function.

The technical scheme adopted by the invention for solving the problems is as follows:

the invention provides a resetting structure, which comprises a panel, a handle rotationally arranged on the panel, a rotating mechanism arranged on the handle and a resetting mechanism used for resetting the rotating mechanism, wherein:

the rotating mechanism comprises a handle head arranged on the handle, a clutch push block arranged on the handle head and a transmission rod clamped in the clutch push block and partially extending into the handle head;

the reset mechanism comprises a first reset push plate and a first reset spring, and under the elastic acting force of the first reset spring, the first reset push plate can be driven to abut against the handle head and keep the handle head at a horizontal position.

The reset structure of the invention can keep the handle head in a horizontal position all the time after resetting under the combined action of the first reset push plate and the first reset spring.

Furthermore, a first mounting groove for placing the first return spring is formed in the panel.

Furthermore, the reset mechanism further comprises a second reset push plate and a second reset spring, and under the elastic acting force of the second reset spring, the second reset push plate can be driven to abut against the clutch push block, so that the clutch push block is kept at a horizontal position.

Therefore, under the combined action of the second reset push plate and the second reset spring, the clutch push block can be kept in a horizontal position all the time after being reset.

Further, the reset mechanism further comprises a gland connected to the panel, and a second mounting groove for placing a second reset spring is formed in the gland.

In addition, the second aspect of the present invention further provides a structure for preventing a cat eye from unlocking, which includes a latch mechanism and the reset structure provided by the first aspect, wherein:

a first slot is arranged in the clutch pushing block, and a second slot is arranged on the handle head; when the clutch pushing block is assembled with the handle head, the first slot is communicated with the second slot;

the bolt mechanism comprises a switch toggle key, a clutch pin and a third return spring, wherein the clutch pin and the third return spring are arranged in the first slot;

when the switch toggle key is toggled, the clutch pin can be driven to overcome the elastic acting force of the third return spring and extend into the second slot, and the clutch push block can rotate along with the rotation of the handle head;

when the switch toggle key is reset, the clutch pin is separated from the second slot under the elastic acting force of the third reset spring, and the clutch push block is separated from the handle head and does not rotate along with the rotation of the handle head.

According to the cat eye prevention unlocking structure, under the action of the reset mechanism, the handle head and the clutch push block in the rotating mechanism can be kept in the horizontal position all the time after reset, so that when the switch toggle key is turned, the clutch pin in the bolt mechanism can smoothly extend into the second slot of the handle head, and the cat eye prevention function can be turned on and turned off.

Further, still include the positioning mechanism who is used for fixing a position the switch dial key, wherein:

the positioning mechanism comprises a fourth reset spring, a positioning ball, a first positioning groove and a second positioning groove, wherein the first positioning groove and the second positioning groove are arranged on the switch toggle key and are arranged along the same axial direction; under the elastic acting force of the fourth return spring, the positioning ball is abutted with the switch toggle key;

when the switch toggle key is toggled until the positioning ball is positioned in the first positioning groove, the clutch pin extends into the second slot;

when the switch toggle key is toggled until the positioning ball is positioned in the second positioning groove, the clutch pin is separated from the second slot.

Furthermore, a third mounting groove for placing the fourth return spring is formed in the panel.

In addition, the third aspect of the present invention further provides an anti-theft lock with a reversing function, including a reversing mechanism for limiting the rotation and the reversing of the handle relative to the panel, and the cat eye preventing unlocking structure provided by the second aspect, wherein:

the reversing mechanism comprises a reversing pressing plate, a first blocking platform is arranged on the handle head, and a blocking step which can be abutted against the first blocking platform is arranged on the reversing pressing plate, so that the handle is limited to rotate and reverse.

Therefore, the anti-theft lock with the reversing function can realize the reversing of the handle without dismounting the anti-theft lock, and greatly improves the installation efficiency of the door lock.

Furthermore, the reversing mechanism further comprises a fifth return spring which is abutted against the reversing pressure plate.

Furthermore, a fourth mounting groove for placing the fifth return spring is formed in the panel.

In summary, according to the reset structure, the peep hole preventing unlocking structure and the anti-theft lock with the reversing function provided by the invention, under the action of the reset mechanism, the handle head and the clutch pushing block in the rotating mechanism can be always kept in the horizontal position after being reset, so that when the switch is turned, the clutch pin in the latch mechanism can smoothly extend into the second slot of the handle head, and the peep hole preventing function can be opened and closed.

Drawings

FIG. 1 is an exploded view of the anti-theft lock of the present invention;

FIG. 2 is a schematic view of the structure of the handle head of FIG. 1;

FIG. 3 is a schematic structural view of the clutch pushing block in FIG. 1;

FIG. 4 is an exploded view of a portion of the structure of FIG. 1;

FIG. 5 is an exploded view of another portion of the structure of FIG. 1;

FIG. 6 is an enlarged view of a portion A of FIG. 5;

FIG. 7 is a schematic structural diagram of the anti-theft lock of the present invention;

FIG. 8 is a cross-sectional view of the anti-theft lock of the present invention;

FIG. 9 is a schematic view of the anti-theft lock of the present invention showing a state after the down-shifting switch key is pressed and the lever handle is pressed;

FIG. 10 is a schematic diagram of the anti-theft lock of the present invention showing the state after the down-shifting switch key is turned and the lever handle is lifted;

FIG. 11 is a schematic diagram of the anti-theft lock of the present invention showing a state after the toggle button is pressed down;

FIG. 12 is a schematic diagram of the anti-theft lock of the present invention showing a state after the key is toggled upward and the handle is lifted;

fig. 13 is a schematic view of the anti-theft lock of the present invention in a state after the reversing pressure plate is pushed upward and the handle is lifted 90 degrees.

Wherein the reference numerals have the following meanings:

1. a panel; 11. a first mounting groove; 12. a third mounting groove; 13. a fourth mounting groove; 14. a limiting column; 2. a handle; 31. a handle head; 311. a second slot; 312. a first stop; 313. a handle cavity; 32. a clutch push block; 321. a first slot; 322. a clamping hole; 41. a first reset push plate; 42. a first return spring; 43. a second reset push plate; 44. a second return spring; 45. a gland; 451. a second mounting groove; 46. pressing a plate; 51. a switch dial key; 511. a first positioning groove; 512. a second positioning groove; 52. a clutch pin; 53. a third return spring; 61. a fourth return spring; 62. a positioning ball; 71. a reversing pressure plate; 711. a gear step; 712. a limiting hole; 72. and a fifth return spring.

Detailed Description

For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Example one

As shown in fig. 1 to 4, the present invention firstly provides a resetting structure, which includes a panel 1, a handle 2 rotatably disposed on the panel 1, a rotating mechanism disposed on the handle 2, and a resetting mechanism for resetting the rotating mechanism.

Specifically, the rotating mechanism comprises a handle head 31 arranged on the handle 2, a clutch pushing block 32 arranged on the handle head 31 and a transmission rod (not shown in the figure) clamped in the clutch pushing block 32 and partially extending into the handle head 31; the handle head 31 is detachably connected to the handle 2, and a handle cavity 313 is arranged in the handle head 31; the clutch pushing block 32 is detachably connected to the handle head 31. The clutch push block 32 is provided with a clamping hole 322, the transmission rod is clamped in the clamping hole 322, and the bottom part of the transmission rod extends into the handle cavity 313. A spring is also arranged in the handle cavity 313, and the bottom of the transmission rod is abutted against the spring.

In this embodiment, the locking hole 322 is a square hole, and the transmission rod is a square rod; the handle cavity 313 is a cylindrical cavity; the clutch push block 32 and the handle head 31, and the handle head 31 and the handle 2 are all fixed through screw connection.

Referring to fig. 1-4, the reset mechanism includes a first reset push plate 41, a first reset spring 42, a second reset push plate 43, a second reset spring 44, a gland 45, and a pressure plate 46. Under the elastic action of the first return spring 42, the first return push plate 41 can be driven to abut against the handle head 31, and the handle head 31 is kept in a horizontal position after being returned; under the elastic force of the second return spring 44, the second return push plate 43 is driven to abut against the clutch push block 32, and the clutch push block 32 is kept in a horizontal position after being returned.

Specifically, a first mounting groove 11 is formed in the panel 1, and the first return spring 42 is disposed in the first mounting groove 11 and abuts against the first return push plate 41, and drives the first return push plate 41 to abut against the handle head 31. The pressing cover 45 is detachably attached to the panel 1 and partially covers the first return pushing plate 41 and the first return spring 42 to press the first return pushing plate 41. The gland 45 is provided with a second mounting groove 451, and the second return spring 44 is disposed in the second mounting groove 451 and abuts against the second return push plate 43, and simultaneously drives the second return push plate 43 to abut against the clutch push block 32. The pressing plate 46 is detachably coupled to the pressing cover 45 and covers the second reset push plate 43 to press the second reset push plate 43.

In this embodiment, the pressing cover 45 is fixed to the panel 1, and the pressing plate 46 is fixed to the pressing cover 45 by screws; the two first return springs 42 are symmetrically arranged at two sides below the first return push plate 41; the second return springs 44 are also provided with two, and are symmetrically arranged at two sides below the second return push plate 43.

Therefore, the reset structure of the present invention can keep the handle head 31 and the clutch pushing block 32 in the horizontal position after the reset by the combined action of the first reset pushing plate 41, the first reset spring 42, the second reset pushing plate 43 and the second reset spring 44.

Example two

Referring to fig. 1-12, the second aspect of the present invention further provides a structure for preventing a cat eye from unlocking, including the reset structure and the latch mechanism provided in the first embodiment. A first slot 321 is arranged in the clutch pushing block 32, and a second slot 311 is arranged on the handle head 31; when the clutch pushing block 32 is assembled with the handle head 31, the first slot 321 is communicated with the second slot 311.

In this embodiment, the first slot 321 and the locking hole 322 are disposed vertically and are communicated with each other; the first slot 321 and the second slot 311 have axial directions parallel to each other.

The latch mechanism comprises a switch toggle key 51, a clutch pin 52 arranged in a first slot 321 and a third return spring 53; the switch toggle key 51 comprises a bottom plate and an arc plate vertically connected with the bottom plate, when the switch toggle key 51 is toggled, the arc plate is abutted against the clutch pin 52 and drives the clutch pin 52 to overcome the elastic acting force of the third return spring 53 and extend into the second slot 311, and at the moment, the clutch push block 32 can rotate along with the rotation of the handle head 31; when the switch key 51 is reset, the clutch pin 52 is separated from the second slot 311 by the elastic force of the third return spring 53, and the clutch push block 32 is separated from the handle head 31 and does not rotate along with the rotation of the handle head 31.

Specifically, the peephole preventing unlocking structure further comprises a positioning mechanism for positioning the switch dialing key 51, wherein the positioning mechanism comprises a fourth return spring 61, a positioning ball 62, a first positioning groove 511 and a second positioning groove 512, the first positioning groove 511 and the second positioning groove 512 are arranged on the side surface of the bottom plate of the switch dialing key 51 and are arranged along the same axial direction; the panel 1 is provided with a third mounting groove 12, the fourth return spring 61 is disposed in the third mounting groove 12 and abuts against the positioning ball 62, and the positioning ball 62 can be driven to abut against the side surface of the bottom plate of the switch toggle key 51 under the elastic action of the fourth return spring 61.

Thus, referring to fig. 9-10, when the switch key 51 is turned down until the positioning ball 62 is located in the first positioning slot 511, the clutch pin 52 is driven to extend into the second slot 311, and the clutch pushing block 32 can rotate along with the rotation of the handle head 31. When the handle 2 is pressed or lifted, the handle head 31 can be driven to rotate, and then the transmission rod in the clutch pushing block 32 is driven to rotate, so that the door lock is opened and closed, and the cat eye prevention function is closed at the moment.

Referring to fig. 11-12, when the switch key 51 is moved up until the positioning ball 62 is located in the second positioning slot 512, the clutch pin 52 is separated from the second slot 311 by the elastic force of the third return spring 53, i.e. the clutch push block 32 is separated from the handle head 31 and does not rotate with the rotation of the handle head 31. When pushing down or lifting handle 2, the transfer line in this separation and reunion ejector pad 32 is all nonrotation to unable opening and closing to the realization is to the lock, prevents the cat eye function start this moment.

In addition, under the action of the reset mechanism, the handle head 31 and the clutch pushing block 32 in the rotating mechanism can be kept in horizontal positions all the time after reset, so that when the switch dialing key 51 is toggled, the clutch pin 52 in the latch mechanism can smoothly extend into the second slot 311 of the handle head 31 from the first slot 321, and further the cat-eye prevention function is started and closed.

EXAMPLE III

Referring to fig. 1 to 13, the third aspect of the present invention further provides an anti-theft lock with a reversing function, including a reversing mechanism for limiting the rotation and the reversing of the lever handle 2 relative to the panel 1 and a peep hole unlocking preventing structure provided in the second embodiment, the reversing mechanism includes a reversing pressure plate 71 and a fifth return spring 72, the lever handle head 31 is provided with a first stop 312, and the reversing pressure plate 71 is provided with a stop step 711 capable of abutting against the first stop 312.

When the reversing pressure plate 71 is pushed upwards to overcome the elastic acting force of the fifth return spring 72 and move, the gear step 711 can be driven to move upwards, and the 180-degree rotary reversing of the handle 2 can be realized by lifting the handle 2 at the moment; when the reversing pressure plate 71 is subjected to the elastic force of the fifth return spring 72 and is reset, the gear step 711 is reset at the moment, and when the handle 2 is lifted up to perform rotary reversing, the first stop 312 on the handle head 31 abuts against the gear step 711, so that the rotary reversing of the handle 2 is limited.

Specifically, a fourth mounting groove 13 for placing a fifth return spring 72 and a plurality of limiting columns 14 for limiting the moving position of the reversing pressure plate 71 are arranged in the panel 1, and limiting holes 712 matched with the plurality of limiting columns 14 are arranged on the reversing pressure plate 71. When the reversing pressure plate 71 is assembled on the panel 1, the plurality of limiting columns 14 respectively penetrate through the limiting holes 712, so that the reversing pressure plate 71 can only move along the axis of the limiting holes 712 in a square manner.

In this embodiment, the limiting hole 712 is a kidney-shaped hole. The fifth return springs 72 are two and symmetrically arranged at two sides below the reversing pressure plate 71.

Therefore, the anti-theft lock with the reversing function can realize the reversing of the handle 2 without dismounting the anti-theft lock, and greatly improves the installation efficiency of the door lock.

The technical means disclosed in the invention scheme are not limited to the technical means disclosed in the above embodiments, but also include the technical scheme formed by any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and such improvements and modifications are also considered to be within the scope of the present invention.

Claims

1. The utility model provides a reset structure, includes panel (1), rotates to set up handle (2), setting on panel (1) are in slewing mechanism on handle (2) and be used for reseing slewing mechanism's canceling release mechanical system, its characterized in that:

the rotating mechanism comprises a handle head (31) arranged on the handle (2), a clutch push block (32) arranged on the handle head (31) and a transmission rod clamped in the clutch push block (32) and partially extending into the handle head (31);

the reset mechanism comprises a first reset push plate (41) and a first reset spring (42), and under the elastic acting force of the first reset spring (42), the first reset push plate (41) can be driven to abut against the handle head (31), and the handle head (31) is kept at a horizontal position.

2. The return structure according to claim 1, characterized in that a first mounting groove (11) for placing the first return spring (42) is provided in the face plate (1).

3. The resetting structure of claim 1 or 2, characterized in that the resetting mechanism further comprises a second resetting push plate (43) and a second resetting spring (44), and under the elastic force of the second resetting spring (44), the second resetting push plate (43) can be driven to abut against the clutch push block (32), and the clutch push block (32) is kept in a horizontal position.

4. The restoring structure according to claim 3, characterized in that the restoring mechanism further comprises a pressing cover (45) connected to the panel (1), and the pressing cover (45) is provided with a second mounting groove (451) for placing a second restoring spring (44).

5. A peep hole preventing unlocking structure, comprising a latch mechanism and a reset structure according to any one of claims 1 to 4, wherein:

a first slot (321) is arranged in the clutch push block (32), and a second slot (311) is arranged on the handle head (31); when the clutch pushing block (32) is assembled with the handle head (31), the first slot (321) is communicated with the second slot (311);

the bolt mechanism comprises a switch toggle key (51), a clutch pin (52) arranged in the first slot (321) and a third return spring (53);

when the switch toggle key (51) is toggled, the clutch pin (52) can be driven to overcome the elastic acting force of the third return spring (53) and extend into the second slot (311), and the clutch push block (32) can rotate along with the rotation of the handle head (31);

when the switch toggle key (51) is reset, the clutch pin (52) is separated from the second slot (311) under the elastic force of the third reset spring (53), and the clutch push block (32) is separated from the handle head (31) and does not rotate along with the rotation of the handle head (31).

6. The structure of claim 5, further comprising a positioning mechanism for positioning the switch dial key (51), wherein:

the positioning mechanism comprises a fourth return spring (61), a positioning ball (62), a first positioning groove (511) and a second positioning groove (512), wherein the first positioning groove and the second positioning groove are arranged on the switch toggle key (51) and are arranged along the same axial direction; under the elastic acting force of the fourth return spring (61), the positioning ball (62) is abutted with the switch toggle key (51);

when the switch toggle key (51) is toggled until the positioning ball (62) is positioned in the first positioning groove (511), the clutch pin (52) extends into the second insertion groove (311);

when the switch toggle key (51) is toggled until the positioning ball (62) is positioned in the second positioning groove (512), the clutch pin (52) is separated from the second slot (311).

7. The structure of preventing cat eye unlocking according to claim 6, wherein a third mounting groove (12) for placing the fourth return spring (61) is provided in the panel (1).

8. An anti-theft lock with a reversing function, comprising a reversing mechanism for limiting the rotation reversing of the handle (2) relative to the panel (1) and the cat eye unlocking preventing structure according to any one of claims 5 to 7, wherein:

the reversing mechanism comprises a reversing pressing plate (71), a first blocking platform (312) is arranged on the handle head (31), and a blocking step (711) which can be abutted against the first blocking platform (312) is arranged on the reversing pressing plate (71) so as to limit the rotary reversing of the handle (2).

9. Anti-theft lock according to claim 8, characterized in that the reversing mechanism further comprises a fifth return spring (72) abutting against the reversing pressure plate (71).

10. Anti-theft lock according to claim 9, characterized in that a fourth mounting groove (13) is provided in the panel (1) for placing the fifth return spring (72).