CN218881866U

CN218881866U - Safety lock without handle

Info

Publication number: CN218881866U
Application number: CN202320186084.7U
Authority: CN
Inventors: 谢发友
Original assignee: Yuhuan Najia Metal Products Co ltd
Current assignee: Yuhuan Najia Metal Products Co ltd
Priority date: 2023-02-11
Filing date: 2023-02-11
Publication date: 2023-04-18
Anticipated expiration: 2033-02-11

Abstract

There is not handle safety lock, including the lock panel, this lock panel is connected with its normal running fit's unlocking piece, and this unlocking piece is a plate, is equipped with the drive division of being connected with the square shaft transmission of lock panel on the unlocking piece, still including the anti-locking mechanism, realizes auto-lock or the unblock function of unlocking piece through the anti-locking mechanism, simple structure, processing convenience, relative manufacturing cost also can be lower, just the utility model discloses the unlocking piece is the sheet metal design, and is few for the door plant protrusion, is difficult for causing the condition such as bruising or catching on the clothes, and is safer.

Description

Safety lock without handle

Technical Field

The utility model relates to a lock technical field, in particular to no handle safety lock.

Background

The unlocking part of lock on the existing market is mostly L shape, and its protrusion door plant is more, appears catching on clothes easily or causes the condition such as bruise, and the anti-lock mechanism structure wherein is complicated, or does not possess anti-lock mechanism, and drive mechanism through knob or key, rotate the spring bolt in the lock body then and realize anti-locking, this kind of structure needs additionally to set up the spring bolt, and also need one set of complex anti-lock structure with it in the lock body, like the patent number: the mechanical unlocking and locking structure disclosed in CN113374345A generally makes the overall structure of the lock body more complicated and costly to manufacture.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a no handle safety lock.

In order to realize the purpose, the utility model adopts the technical scheme that: the non-handle safety lock comprises a door lock panel, wherein the door lock panel is connected with an unlocking piece in rotating fit with the door lock panel, the unlocking piece is a plate, a driving part in transmission connection with a square shaft of the door lock panel is arranged on the unlocking piece, and the non-handle safety lock further comprises a counter-locking mechanism which limits the rotation of the unlocking piece.

Preferably, the back locking mechanism is provided with a flat bar, one end of the flat bar is connected with the quick locking device, and the other end of the flat bar is connected with the knob.

Preferably, be equipped with on the piece of unlocking with door lock panel normal running fit's rotation axis, this rotation axis runs through the door lock panel setting, and the through-hole that runs through the piece of unlocking is seted up to the rotation axis, still is equipped with the mating holes on the rotation axis, and the door lock panel is equipped with the locking groove for the position of mating holes, quick-lock device or knob pass through-hole and the piece of unlocking assembly assemble.

Preferably, the quick lock device comprises a rotor, a sliding stator, a return spring and a fixing nut, wherein the rotor is provided with a spiral pressing part, the sliding stator is matched with the spiral pressing part, convex strips are arranged on two sides of the sliding stator, the rotor rotates to enable the spiral pressing part to push the sliding stator to slide towards one end far away from the rotor, and the convex strips fall into the locking grooves to limit rotation between the unlocking piece and the door lock panel.

Preferably, the driving part is a gear or a toothed block with a toothed structure on one side, a rotating groove is arranged on the door lock panel, the driving part passes through the rotating groove and reciprocates along the direction of the rotating groove, the door lock panel is also provided with a gear meshed with the driving part, the gear is in transmission connection with a square shaft, and the rotating unlocking piece enables the driving part to drive the gear to rotate.

Preferably, still including the piece that resets that the drive unlocking piece resets, the both ends of the piece that resets are the annular, and cup joint respectively on the projection of unlocking piece inner wall and the projection of door lock panel.

As preferred, still including preventing that the piece of unlocking from upwarping and injecing turned angle's stop gear, this stop gear specifically is the spacing groove assorted locating part on the AND gate lock panel, the locating part is equipped with the draw-in groove, and the piece of unlocking is equipped with the stopper that extends to the draw-in groove, and when locating part and door lock panel installation were fixed, draw-in groove and spacing groove communicate.

Preferably, the limiting member is provided with a mounting hole, an opening is formed in the position, relative to the mounting hole, of the door lock panel, and the limiting member and the door lock panel are fixedly mounted through a bolt.

The utility model has the advantages that: the utility model provides a no handle safety lock realizes auto-lock or the unblock function of unlocking piece through anti-lock mechanism, and simple structure, processing are convenient, and relative manufacturing cost also can be lower, just the utility model discloses unlocking piece is the sheet metal design, and is few for the door plant protrusion, is difficult for causing the condition such as bruising or catching on the clothes, and is safer.

Drawings

Fig. 1 is an exploded view of the present invention;

fig. 2 is a second exploded view of the present invention;

FIG. 3 is a schematic structural view of the present invention;

FIG. 4 is a schematic structural view of the back locking mechanism of the present invention;

FIG. 5 is an exploded view of the lock mechanism of the present invention;

fig. 6 is a schematic structural view of the exposed design of the present invention.

Detailed Description

The handleless safety lock as shown in fig. 1 to 6 comprises a door lock panel 10, wherein the door lock panel 10 is connected with an unlocking piece 20 in rotating fit with the door lock panel 10, the unlocking piece 20 is a plate, the unlocking piece 20 is provided with a driving part in transmission connection with a square shaft 112 of the door lock panel 10, the driving part drives the square shaft 112 to rotate through rotating the unlocking piece 20 to realize door opening, and the handleless safety lock further comprises a counter locking mechanism which limits the rotation of the unlocking piece 20 to realize a door locking function.

In this embodiment, the back locking mechanism is provided with a flat bar 31, one end of the flat bar 31 is connected with a quick locking device, the other end of the flat bar 31 is connected with a knob 36, and the knob 36 is rotated to rotate the quick locking device at the other end, so as to lock the door.

In this embodiment the unlocking piece 20 is provided with a rotating shaft 21 which is rotatably matched with the door lock panel 10, the rotating shaft 21 penetrates through the door lock panel 10, the rotating shaft 21 is provided with a through hole 211 which penetrates through the unlocking piece 20, the rotating shaft 21 is further provided with a matching hole 212, the door lock panel 10 is provided with a locking groove 12 relative to the matching hole 212, the quick lock device or the knob 36 passes through the through hole 211 and the unlocking piece 20 for assembly, the installation direction (inner door or outer door) of the knob 36 or the quick lock device is selected according to requirements, and the knob 36 and the quick lock device are both connected with the flat bar 31, so that the two forms linkage.

In order to realize the door locking or unlocking function of the door lock, the quick lock device comprises a rotor 32, a sliding stator 33, a return spring 34 and a fixing nut 35, wherein a spiral pressing part 321 is arranged on the rotor 32, groove shapes with different shapes such as a straight shape, a hexagon socket and the like can be arranged on the upper end surface of the rotor 32, and unlocking tools with the same shape are configured, the sliding stator 33 is matched with the spiral pressing part 321, convex strips 331 are arranged on two sides of the sliding stator 33, the rotor 32 rotates to enable the spiral pressing part 321 to push the sliding stator 33 to slide towards one end far away from the rotor 32, and the convex strips 331 are clamped with a matching hole 212, so that the sliding stator 33 can only slide up and down and cannot rotate, the convex strips 331 fall into a locking groove 12 and simultaneously clamp a rotating shaft 21 and the door lock panel 10, so as to limit the rotation between the unlocking piece 20 and the door lock panel 10, when the rotor 32 rotates, the return spring 34 pushes the sliding stator 33 back to return to the position, and the convex strips 331 are separated from the locking groove 12, so as to realize the unlocking function, and restore the rotation of the unlocking piece 20.

In this embodiment, the driving portion is a toothed block 22 having a toothed structure on one side, a rotating groove 17 is provided on the door lock panel 10, the driving portion passes through the rotating groove 17 and reciprocates along the direction of the rotating groove 17, the door lock panel 10 is further provided with a gear 11 engaged with the driving portion, the gear 11 is movably connected with a closing plate 13, the closing plate 13 is fixedly connected with the door lock panel 10, it is noted that in this embodiment, the toothed block 22 is a toothed block 22 having a sector structure, the gear 11 is continuously engaged with the toothed block 22 during rotation, the gear 11 is in transmission connection with a square shaft 112, the driving portion driving gear 11 is rotated by rotating the unlocking member 20, and the gear 11 drives the square shaft 112 to rotate so as to unlock the lock body.

In order to enable the unlocking part 20 to automatically reset after rotating, the door lock further comprises a resetting part 23 for driving the unlocking part 20 to reset, two ends of the resetting part 23 are annular and are respectively sleeved on the convex column 24 on the inner wall of the unlocking part 20 and the convex column 18 of the door lock panel 10.

In order to limit the rotation angle of the unlocking piece 20 and prevent the unlocking piece 20 from warping, the door lock further comprises a limiting mechanism, the limiting mechanism is specifically a limiting piece 15 matched with a limiting groove 14 on the door lock panel 10, the limiting piece 15 is provided with a clamping groove 152, the unlocking piece 20 is provided with a limiting piece 25 extending to the clamping groove 152, when the limiting piece 15 and the door lock panel 10 are fixedly installed, the clamping groove 152 is communicated with the limiting groove 14, and the limiting piece 25 moves in the clamping groove 152 and the limiting groove 14, so that the rotation angle of the unlocking piece 20 is limited.

For convenience of disassembly and assembly, the limiting member 15 is provided with a mounting hole 151, an inner wall of the mounting hole 151 is provided with an internal thread, a position of the door lock panel 10 relative to the mounting hole 151 is provided with an opening 16, and the limiting member 15 and the door lock panel 10 are fixedly mounted through a bolt.

It should be noted that the door lock panel of the present invention has two design schemes of embedded type and exposed type, the embedded type design is shown in fig. 1-3, the exposed type design is shown in fig. 6, the internal structures of the two design schemes are the same, the door lock of the embedded type design has few protrusions, and is safer and more beautiful.

The utility model provides a no handle safety lock realizes auto-lock or the unblock function of unlocking piece through anti-lock mechanism, and simple structure, processing are convenient, and relative manufacturing cost also can be lower, just the utility model discloses unlocking piece is the sheet metal design, and is few for the door plant protrusion, is difficult for causing the condition such as bruising or catching on the clothes, and is safer.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that simple modifications and substitutions by those skilled in the art are within the scope of the present invention without departing from the spirit and scope of the present invention.

Claims

1. There is not handle safety lock, its characterized in that: including door lock panel, this door lock panel is connected with its normal running fit's the piece of opening the lock, should open the lock and be a plate, is equipped with the drive division of being connected with door lock panel's square shaft drive on the piece of opening the lock, still including the mechanism of locking, through this mechanism of locking restriction piece rotation of opening the lock.

2. A handleless safety lock according to claim 1 wherein: the back locking mechanism is provided with a flat bar, one end of the flat bar is connected with the quick locking device, and the other end of the flat bar is connected with the knob.

3. A handleless safety lock according to claim 1 or 2, wherein: the unlocking piece is provided with a rotating shaft which is matched with the door lock panel in a rotating mode, the rotating shaft penetrates through the door lock panel, a through hole which penetrates through the unlocking piece is formed in the rotating shaft, a matching hole is further formed in the rotating shaft, the door lock panel is provided with a locking groove relative to the position of the matching hole, and the quick lock device or the knob passes through the through hole and the unlocking piece.

4. A handleless safety lock according to claim 3 wherein: the quick locking device comprises rotor, slip stator, reset spring and fixing nut, is equipped with the spiral on the rotor and presses the splenium, the slip stator with the spiral press the splenium identical, and be equipped with the sand grip in the both sides of slip stator, the rotor rotates and makes the spiral press the splenium to promote the slip stator towards the one end of keeping away from the rotor and slide, its sand grip falls into the locking groove and restricts the rotation of opening between latch fitting and the lock panel.

5. A handleless safety lock according to claim 1 wherein: the driving part is a gear or a tooth block with a tooth-shaped structure on one side, a rotating groove is arranged on the door lock panel, the driving part penetrates through the rotating groove and reciprocates along the direction of the rotating groove, the door lock panel is also provided with a gear meshed with the driving part, the gear is in transmission connection with a square shaft, and the rotating unlocking part enables the driving gear of the driving part to rotate.

6. A handleless safety lock according to claim 1 wherein: still including the piece that resets that the drive unlocking piece resets, the both ends that reset the piece are the annular, and cup joint respectively on the projection of unlocking piece inner wall and on the projection of door lock panel.

7. A handleless safety lock according to claim 1 wherein: still including preventing that the piece of unlocking from upwarping and injecing turned angle's stop gear, this stop gear specifically is the spacing groove assorted locating part on the AND gate lock panel, and the locating part is equipped with the draw-in groove, and the piece of unlocking is equipped with the stopper that extends to the draw-in groove, and when locating part and the installation of lock panel were fixed, draw-in groove and spacing groove communicate.

8. The handleless safety lock according to claim 7, wherein: the limiting piece is provided with a mounting hole, a hole is formed in the position, corresponding to the mounting hole, of the door lock panel, and the limiting piece and the door lock panel are fixedly mounted through bolts.