CN221031948U

CN221031948U - Concealed door lock

Info

Publication number: CN221031948U
Application number: CN202322915518.5U
Authority: CN
Inventors: 张晓忠
Original assignee: Yongjia Mingjia Hardware Co ltd
Current assignee: Yongjia Mingjia Hardware Co ltd
Priority date: 2023-10-30
Filing date: 2023-10-30
Publication date: 2024-05-28
Anticipated expiration: 2033-10-30

Abstract

The utility model relates to the technical field of door locks, in particular to a hidden door lock which comprises an inner handle and an outer handle, wherein a square rod is arranged between the inner handle and the outer handle, a reverse locking plate is arranged in the square rod, the outer handle comprises an outer handle shell, a lock cylinder is arranged in the outer handle shell, the outer side of the lock cylinder is connected with a rotating shaft, a lining is arranged on the outer side of the rotating shaft, and arc-shaped grooves are formed in two sides of the rotating shaft. In this hidden door lock, the steel ball can realize effectual back lock operation, under the normal condition, the steel ball contracts in the steel ball storehouse, push down the handle and can unblank, when indoor needs back lock, toggle switch plectrum, rack and gear shaft interlock, promote the gear shaft and rotate 90, the reverse locking plate of connection can rotate 90 with the pivot simultaneously, the pivot is with steel ball top out of storehouse this moment, form bayonet lock card in outer bottom for can not push down with the outer handle of inside lining fixed together, play the lock, equally outside, the key inserts the lock core rotation, can drive the pivot, realize unblanking fast.

Description

Concealed door lock

Technical Field

The utility model relates to the technical field of door locks, in particular to a hidden door lock.

Background

The door locks are very important to use in daily life, the door locks are classified into a plurality of types, the requirements on the door locks are different in each occasion, and the common household generally uses the anti-theft door locks, so that the safety is high and the price is relatively low.

In the existing door lock structure, a space for hiding a key is not available, sometimes the key is easy to lose or forget when being carried about, and when the existing door lock is locked indoors, the existing door lock is locked through a lock tongue, is easy to be cracked by some tools, cannot play a role in locking, and the locking structure is complex and is easy to damage.

Disclosure of utility model

The utility model aims to provide a hidden door lock, which solves the problems that in the prior art, a space for hiding a key is not provided, sometimes the key is easy to lose or forget when being carried about, and the existing door lock is easy to crack by some tools when being locked back indoors generally through a lock tongue, so that the anti-locking effect cannot be achieved, the anti-locking structure is complex, and the damage is easy to cause.

In order to achieve the above purpose, the utility model provides a hidden door lock, which comprises an inner handle and an outer handle, wherein a square rod is arranged between the inner handle and the outer handle, a reverse locking piece is arranged in the square rod, the outer handle comprises an outer handle shell, a lock cylinder is arranged in the outer handle shell, a rotating shaft is connected to the outer side of the lock cylinder, a lining is arranged on the outer side of the rotating shaft, arc grooves are formed in two sides of the rotating shaft, two round holes are respectively formed in the two sides of the lining correspondingly, steel balls are arranged in the steel ball grooves, an outer base is arranged at the position, close to the square rod, of the outer handle shell, grooves are formed in two sides of the inner part of the outer base, and when the reverse locking piece rotates by 90 degrees, the rotating shaft rotates to eject the steel balls out of the steel ball grooves and is clamped at the grooves on two sides of the outer base, so that the outer handle fixed with the lining cannot be pressed down, and the locking effect is achieved.

Preferably, the inner handle comprises an inner handle shell, a gear shaft is arranged in the inner handle shell, a switch pulling sheet is arranged on one side of the gear shaft, a rack is arranged at the end head of the switch pulling sheet and meshed with the gear shaft, a pressing plate is arranged on the outer side of the switch pulling sheet, one end of the anti-lock sheet is connected with the gear shaft, and the other end of the anti-lock sheet is connected with the rotating shaft.

Preferably, an inner acrylic panel is mounted on the side surface of the inner handle shell, and an outer acrylic panel is mounted on the side surface of the outer handle shell.

Preferably, the inner sides of the inner acrylic panel and the outer acrylic panel are respectively provided with an iron plate, the inner side of the inner handle shell is provided with an inner handle magnet, the inner handle magnet is adsorbed to the iron plates of the inner acrylic panel, the inner side of the outer handle shell is provided with an outer handle magnet, and the outer handle magnet is adsorbed to the iron plates of the outer acrylic panel.

Preferably, an opening is formed in the outer wall of the inner handle, close to the switch pulling piece, and a pulling block is mounted on one side of the switch pulling piece, close to the opening.

Preferably, a spring piece is arranged on the inner wall of the inner handle shell close to the switch pulling piece, two grooves are formed in the position, close to the spring piece, of the switch pulling piece, and the grooves are matched with the protrusions of the spring piece.

Preferably, an inner base is arranged on the inner handle shell close to the square rod.

Preferably, a key is placed in the inner space of the outer handle.

Preferably, the square rod is square in cross section and hollow in the interior, and one end of the square rod is connected with the inner handle.

Compared with the prior art, the utility model has the beneficial effects that:

In the hidden door lock, effective back locking operation can be realized through steel balls arranged in the hidden door lock, under the normal state, the steel balls are contracted in a steel ball bin, a handle is pressed down to unlock, when back locking is needed indoors, a toggle switch pulling piece is pulled, a rack is meshed with a gear shaft to push the gear shaft to rotate 90 degrees, a connected anti-locking piece and a rotating shaft can simultaneously rotate 90 degrees, at the moment, the rotating shaft pushes the steel balls out of the bin to form a bayonet lock to be clamped at an outer base, an outer handle fixed together with an inner lining cannot be pressed down to lock, the lock is locked outdoors, a key is inserted into a lock cylinder to rotate, the rotating shaft can be driven to realize quick unlocking, in addition, an iron plate is attached to the inner side of an acrylic panel to be adsorbed on an magnet in the inlaid handle, the surface is covered, when the key is needed to be taken out, the tail end of acrylic is pressed, and the other end of the acrylic is tilted to be taken down.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic view of the structure of the inner handle of the present utility model;

FIG. 3 is a schematic view of the structure of the outer handle of the present utility model;

fig. 4 is a schematic view of a part of the structure of the present utility model.

The meaning of each reference sign in the figure is:

1. An inner handle; 11. an inner handle shell; 12. a gear shaft; 13. a switch pulling piece; 14. a spring piece; 15. an inner handle magnet; 16. a pressing plate; 17. an inner acrylic panel; 18. an inner base; 2. an outer handle; 21. an outer handle shell; 22. a lock core; 23. a lining; 24. a rotating shaft; 25. steel balls; 26. an outer base; 27. an outer acrylic panel; 28. an outer handle magnet; 29. a key; 3. square rods; 31. and (5) a reverse locking plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a hidden door lock, as shown in fig. 1-4, comprising an inner handle 1 and an outer handle 2, wherein a square rod 3 is arranged between the inner handle 1 and the outer handle 2, a reverse locking piece 31 is arranged in the square rod 3, the outer handle 2 comprises an outer handle shell 21, a lock cylinder 22 is arranged in the outer handle shell 21, a rotating shaft 24 is connected to the outer side of the lock cylinder 22, an inner liner 23 is arranged on the outer side of the rotating shaft 24, arc grooves are arranged on two sides of the rotating shaft 24, two round holes are correspondingly arranged on two sides of the inner liner 23, steel ball bins are formed by the arc grooves on two sides of the rotating shaft 24, steel balls 25 are arranged in the steel ball bins, an outer base 26 is arranged on two sides of the inner side of the outer handle shell 21 close to the square rod 3, and when the reverse locking piece 31 rotates by 90 degrees, the rotating shaft 24 is rotated to eject the steel balls 25 out of the steel ball bins and is clamped at the grooves on two sides of the outer handle 2 fixed together with the inner liner 23, so that the outer handle 2 cannot be pressed down to play a role in locking.

In this embodiment, the inner handle 1 includes an inner handle shell 11, a gear shaft 12 is installed in the inner handle shell 11, a switch pulling piece 13 is provided on one side of the gear shaft 12, a rack is installed at the end of the switch pulling piece 13, the rack is meshed with the gear shaft 12, a pressing plate 16 is installed on the outer side of the switch pulling piece 13, one end of a counter lock piece 31 is connected with the gear shaft 12, the other end of the counter lock piece is connected with a rotating shaft 24, the gear shaft 12 can be driven to rotate by pulling the switch pulling piece 13, further rotation of the counter lock piece 31 is achieved, and a switch lock function is achieved.

Specifically, the inner acrylic panel 17 is mounted to a side of the inner handle shell 11, and the outer acrylic panel 27 is mounted to a side of the outer handle shell 21 for covering an outer side of the outer handle shell 21.

Further, the inner sides of the inner acrylic panel 17 and the outer acrylic panel 27 are respectively provided with an iron plate, the inner part of the inner handle shell 11 is provided with an inner handle magnet 15, the inner handle magnet 15 is adsorbed to the iron plates of the inner acrylic panel 17, the inner part of the outer handle shell 21 is provided with an outer handle magnet 28, and the outer handle magnet 28 is adsorbed to the iron plates of the outer acrylic panel 27, so that the inner acrylic panel 17 and the outer acrylic panel 27 are convenient to assemble and disassemble.

Further, an opening is formed in the outer wall of the inner handle 1, close to the switch pulling piece 13, a pulling block is arranged on one side, close to the opening, of the switch pulling piece 13, and the switch pulling piece 13 is conveniently driven to move manually.

Further, a spring piece 14 is installed at the position, close to the switch pulling piece 13, of the inner wall of the inner handle shell 11, two grooves are formed in the position, close to the spring piece 14, of the switch pulling piece 13, the grooves are matched with protrusions of the spring piece 14, after the switch pulling piece 13 moves, the protrusions of the spring piece 14 are clamped with different grooves, and therefore the switch pulling piece 13 is positioned after the back locking operation is achieved.

Further, an inner base 18 is mounted on the inner handle shell 11 near the square bar 3 for sealing between the inner handle shell 11 and the square bar 3.

Further, the key 29 is placed in the inner space of the outer handle 2, so that the key 29 can be stored conveniently, and the key 29 is not required to be carried when the door is taken out.

Further, the cross section of square pole 3 is square structure and inside cavity, and the one end and the interior handle 1 of square pole 3 are connected, drive square pole 3 rotation through interior handle 1, can realize the switch lock function.

When the hidden door lock is used, firstly, in a normal state, the steel balls 25 are contracted in the steel ball bin, the inner handle 1 or the outer handle 2 is pressed down to realize unlocking, when the hidden door lock is required to be locked indoors, the switch pulling piece 13 is manually pulled, the switch pulling piece 13 drives the gear shaft 12 to rotate through the rack, the gear shaft 12 is pushed to rotate 90 degrees, the connected anti-locking piece 31 and the rotating shaft 24 simultaneously rotate 90 degrees, at the moment, the rotating shaft 24 ejects the steel balls 25 out of the steel ball bin to form a bayonet lock clamped at the inner side groove of the outer base 26, so that the outer handle 2 fixed together with the inner liner 23 cannot be pressed down to realize locking, and also when the hidden door lock is used outdoors, the key 29 is inserted into the lock cylinder 22 to rotate, the rotating shaft 24 can be driven to rotate, and the unlocking function is realized;

The key bin is hidden in the outer handle 2, an iron plate is attached to the inner side of the outer acrylic panel 27 and is adsorbed on the outer handle magnet 28 embedded in the outer handle 2, the outer handle 2 is covered with the iron plate, when a key 29 needs to be taken out, the tail end of the outer acrylic panel 27 is pressed, and the other end of the outer acrylic panel 27 is tilted to be taken down, so that the operation is convenient and quick.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a hidden door lock, includes interior handle (1) and outer handle (2), its characterized in that: install square pole (3) between interior handle (1) and outer handle (2), be provided with anti-locking piece (31) in square pole (3), outer handle (2) are including outer handle shell (21), the internally mounted of outer handle shell (21) has lock core (22), the outside of lock core (22) is connected with pivot (24), inside lining (23) are installed in the outside of pivot (24), the both sides of pivot (24) are provided with arc recess, respectively there is a round hole on both sides of inside lining (23) corresponds, form steel ball storehouse with the both sides arc recess of pivot (24), be provided with steel ball (25) in the steel ball storehouse, outer handle shell (21) are close to square pole (3) department and install outer base (26), the inside both sides of outer base (26) are provided with the recess, when anti-locking piece (31) rotate 90, pivot (24) rotate, with steel ball storehouse and card in the both sides recess of outer base (26) for outer base (23) are fixed together and can not be pressed down in lining (2).

2. The concealed door lock according to claim 1, wherein: the inner handle (1) comprises an inner handle shell (11), a gear shaft (12) is arranged in the inner handle shell (11), a switch pulling sheet (13) is arranged on one side of the gear shaft (12), a rack is arranged at the end of the switch pulling sheet (13) and meshed with the gear shaft (12), a pressing plate (16) is arranged on the outer side of the switch pulling sheet (13), one end of a reverse locking sheet (31) is connected with the gear shaft (12), and the other end of the reverse locking sheet is connected with a rotating shaft (24).

3. The concealed door lock according to claim 2, wherein: an inner acrylic panel (17) is arranged on the side face of the inner handle shell (11), and an outer acrylic panel (27) is arranged on the side face of the outer handle shell (21).

4. A concealed door lock as claimed in claim 3, wherein: the inner sides of the inner acrylic panel (17) and the outer acrylic panel (27) are respectively provided with an iron plate, an inner handle magnet (15) is arranged in the inner handle shell (11), the inner handle magnet (15) is adsorbed to the iron plates of the inner acrylic panel (17), an outer handle magnet (28) is arranged in the outer handle shell (21), and the outer handle magnet (28) is adsorbed to the iron plates of the outer acrylic panel (27).

5. The concealed door lock according to claim 1, wherein: an opening is formed in the outer wall of the inner handle (1) close to the switch pulling piece (13), and a pulling block is arranged on one side of the switch pulling piece (13) close to the opening.

6. The concealed door lock according to claim 2, wherein: the inner wall of the inner handle shell (11) is provided with a spring piece (14) close to the switch pulling piece (13), the switch pulling piece (13) is provided with two grooves close to the spring piece (14), and the grooves are matched with the protrusions of the spring piece (14).

7. The concealed door lock according to claim 2, wherein: an inner base (18) is arranged at the position, close to the square rod (3), of the inner handle shell (11).

8. The concealed door lock according to claim 1, wherein: a key (29) is placed in the inner space of the outer handle (2).

9. The concealed door lock according to claim 1, wherein: the section of the square rod (3) is of a square structure and hollow, and one end of the square rod (3) is connected with the inner handle (1).