CN210563932U - Door and window lock opening safety device and safety door and window - Google Patents

Abstract

The utility model discloses a door and window lock opening safety device, a fixed lock core is fixed with a door and a window, a fixed tooth is arranged on the fixed lock core, a sliding tooth is arranged on a sliding lock catch, and when the sliding lock catch contacts the fixed lock core, the sliding tooth and the fixed tooth can be meshed with each other to realize locking; the rotating shell can rotate around the fixed lock cylinder, the sliding lock catch is arranged on the rotating shell in a sliding mode and is guided by the rotating shell to be close to or far from the fixed lock cylinder, when the sliding teeth and the fixed teeth are meshed and locked with each other, the rotating shell cannot rotate relative to the fixed lock cylinder, and the rotating shell cannot rotate relative to a door or a window; the length direction perpendicular to of unblock post rotates the rotation plane of shell, and the unblock post is driven rotatoryly by rotating the shell, and when rotating the shell rotation, the unblock post rotates in step, and the unblock post can't rotate during the meshing locking, and the unblock post can insert the spacing hole of door and window lock, and the unblock post can drive spacing hole and rotate, can realize the unblock when spacing hole rotates specific angle.

Description

Door and window lock opening safety device and safety door and window

Technical Field

The utility model relates to a tool to lock technical field further relates to a safety device is opened to door and window lock. Furthermore, the utility model also provides a safe door and window.

Background

Hardware door and window is essential component part among the modern building, and hardware door and window adopts convertible mode of opening usually, and from upwards opening down, or left and right directions open, rotate around a pivot.

The door and window lock realizes locking and unblock through rotating the handle, does not set up usually and prevents the maloperation structure, and anyone as long as rotate the handle with certain strength and all can open door and window, to young children, opens door and window lock because of curiosity easily, and then opens door and window and cause danger.

For those skilled in the art, how to prevent children from accidentally opening the door and window lock is a technical problem to be solved at present.

SUMMERY OF THE UTILITY MODEL

The utility model provides a safeties is opened to door and window lock can lock the door and window lock, avoids the door and window lock accident to open, and concrete scheme is as follows:

a door and window lock opening safety device comprising:

the fixed lock cylinder is fixed with the door and the window and is provided with fixed teeth;

a turn housing rotatable about the stationary lock cylinder;

the sliding lock catch is guided to be close to or far away from the fixed lock cylinder by the rotating shell; the sliding lock catch is provided with sliding teeth, and the sliding lock catch contacts the fixed lock cylinder to enable the sliding teeth to be meshed with the fixed teeth;

and the length direction of the unlocking column is perpendicular to the rotating plane of the rotating shell, and the unlocking column can be inserted into a limiting hole of the door and window lock and is driven to rotate by the rotating shell.

Optionally, the fixed lock cylinder is annular, and the fixed teeth are convexly arranged on the inner wall of the fixed lock cylinder;

the sliding teeth are arranged on the surface of the end part of the sliding lock catch in a protruding mode and can stretch into the inner ring of the fixed lock cylinder.

Optionally, two sliding lock catches are oppositely arranged, and the sliding teeth are engaged with the fixed teeth on the side where the sliding lock catches are located in a matched mode;

and a sliding reset spring is arranged between the two sliding lock catches and applies reverse thrust to the two sliding lock catches to enable the sliding teeth to be in contact locking with the fixed teeth.

Optionally, the fixed teeth and the sliding teeth are arranged obliquely relative to each other, and a rotary return spring is arranged between the fixed lock cylinder and the rotary shell and applies a torsional force to the sliding lock catch.

Optionally, the middle part of the rotating shell is a cylinder, and sliding grooves for guiding the sliding lock catch are oppositely arranged on two sides of the cylinder.

Optionally, the sliding lock further comprises an unlocking tongue fixedly connected with the rotating housing, and the unlocking tongue and the sliding groove on the rotating housing form a channel for guiding the sliding lock catch; the unlocking column is vertically fixed on the unlocking bolt.

Optionally, the length of the unlocking bolt is smaller than that of the rotating shell, and the outer end of the sliding lock catch in the meshing locking state is arranged in the sliding groove of the rotating shell and exposed out of the unlocking bolt; the outer end of the sliding lock catch is provided with an inward-sunk arc groove.

Optionally, a long strip-shaped waist-shaped hole is formed in the sliding lock catch, and a bolt for fixing the unlocking bolt and the rotating shell penetrates through the waist-shaped hole.

Optionally, a fixed connecting plate is fixedly arranged in the inner ring of the fixed lock cylinder, and the fixed connecting plate is provided with a bolt hole; the unlocking column penetrates through the through hole in the center of the fixed connecting plate and extends out of the other end of the fixed lock cylinder.

The utility model also provides a safe door and window, including above-mentioned arbitrary door and window lock open safeties.

The utility model provides a door and window lock opening safety device, a fixed lock core is fixed with a door and a window, a fixed tooth is arranged on the fixed lock core, a sliding tooth is arranged on a sliding lock catch, and when the sliding lock catch contacts the fixed lock core, the sliding tooth and the fixed tooth can be meshed with each other to realize locking; the rotating shell can rotate around the fixed lock cylinder, the sliding lock catch is arranged on the rotating shell in a sliding mode and is guided by the rotating shell to be close to or far from the fixed lock cylinder, when the sliding teeth and the fixed teeth are meshed and locked with each other, the rotating shell cannot rotate relative to the fixed lock cylinder, and the rotating shell cannot rotate relative to a door or a window; the length direction perpendicular to of unblock post rotates the rotation plane of shell, and the unblock post is driven rotatoryly by rotating the shell, and when rotating the shell rotation, the unblock post rotates in step, and the unblock post can't rotate during the meshing locking, and the unblock post can insert the spacing hole of door and window lock, and the unblock post can drive spacing hole and rotate, can realize the unblock when spacing hole rotates specific angle.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is an exploded view of the door and window lock opening safety device provided by the present invention;

fig. 2A is an axonometric view of the door and window lock opening safety device provided by the present invention;

FIG. 2B is an isometric view of the door and window lock opening safety device according to another angle;

fig. 3A is a bottom view of the door and window lock opening safety device provided by the present invention;

fig. 3B is a top view of the door and window lock opening safety device provided by the present invention;

fig. 3C is a front view of the door and window lock opening safety device provided by the present invention;

fig. 3D is a side view of the door and window lock opening safety device provided by the present invention.

The figure includes:

the lock comprises a fixed lock cylinder 1, a fixed tooth 11, a fixed connecting plate 12, a rotating shell 2, a sliding lock catch 3, a sliding tooth 31, a sliding return spring 32, a kidney-shaped hole 33, an unlocking column 4, an unlocking tongue 41 and a rotating return spring 5.

Detailed Description

The core of the utility model is to provide a safety device is opened to door and window lock can lock the door and window lock, avoids the door and window lock accident to open.

In order to make those skilled in the art better understand the technical solution of the present invention, the following will describe the door and window opening safety device and the safety door and window in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1, the utility model provides an explosion diagram of a door and window lock opening safety device; fig. 2A and 2B are perspective views of the door and window lock opening safety device provided by the present invention at two different angles, respectively; wherein including fixed lock core 1, rotate shell 2, slip hasp 3, unblock post 4 isotructures, this safeties installs on door and window, mutually supports with the door and window lock, and the handle of the just rotatable door and window lock of condition under this safeties of unblock prevents that door and window accident from being opened.

The fixed lock cylinder 1 is fixed with a door window, the fixed lock cylinder 1 is provided with fixed teeth 11, and the fixed teeth 11 usually protrude out of the outer surface of the fixed lock cylinder 1 and are of a tooth block structure with protrusions and depressions alternating with each other. The rotating shell 2 can rotate around the fixed lock cylinder 1, and the fixed lock cylinder 1 is used as a rotation center of the rotating shell 2; the sliding lock catch 3 and the rotating shell 2 are matched with each other, the sliding lock catch 3 and the rotating shell 2 rotate synchronously, and the sliding lock catch 3 is guided by the rotating shell 2 to be close to or far away from the fixed lock cylinder 1; the sliding lock catch 3 is provided with sliding teeth 31, the sliding teeth 31 are matched with the fixed teeth 11, and meshing can be realized when the sliding teeth 31 and the fixed teeth are contacted; when the sliding lock 3 contacts the fixed cylinder 1 to engage the sliding teeth 31 with the fixed teeth 11, the rotary housing 2 cannot rotate relative to the fixed cylinder 1, and when the sliding lock 3 is away from the fixed cylinder 1, the sliding teeth 31 are separated from the fixed teeth 11, and the rotary housing 2 can rotate relative to the fixed cylinder 1.

The length direction of the unlocking column 4 is vertical to the rotating plane of the rotating shell 2, the unlocking column 4 is driven by the rotating shell 2 to rotate, and when the rotating shell 2 rotates, the unlocking column 4 rotates around the rotating shaft in the length direction; the unlocking column 4 can be inserted into a limiting hole of the door and window lock, and the insertion end of the unlocking column 4 adopts a prism structure which can be a quadrangular prism generally so as to avoid the sliding of the unlocking column 4; the limiting hole is formed in a cylinder on the door and window lock, the cylinder is used for locking and unlocking the door and window lock, the cylinder can rotate relative to the door and window lock body, when the limiting hole rotates to a certain angle, the door and window lock can be unlocked, and the cylinder on the door and window lock is driven to rotate through the unlocking column 4, so that unlocking and locking are achieved. Before opening door and window lock, need rotatory shell 2 that rotates, and then it is rotatory to drive unlocking column 4, removes the locking of door and window lock, through the utility model discloses a safeties plays dual protection's effect, can prevent that children's accident from opening door and window lock, improves door and window's security.

On the basis of the above scheme, the utility model provides a fixed lock core 1 is ring shape, and fixed tooth 11 protrusions set up in fixed lock core 1's inner wall, and when 1 level of fixed lock core was placed, the inner circle lateral wall of fixed lock core 1 was vertical extension, the horizontal protrusion of tooth piece in fixed lock core 1 of fixed tooth 11. The sliding tooth 31 is convexly arranged on the surface of the end part of the sliding lock catch 3, when the fixed lock cylinder 1 and the sliding lock catch 3 are in a horizontal state, the sliding tooth 31 is convexly arranged on the end part of the upper surface or the end part of the lower surface of the sliding lock catch 3, and the sliding tooth 31 is arranged on one side surface; taking the example that the sliding teeth 31 protrude from the lower surface as an example, a protrusion is disposed on the lower surface protruding from the sliding lock catch 3, the protrusion can extend into the inner ring of the fixed lock cylinder 1, the sliding teeth 31 are disposed on the side wall of the protrusion, the sliding teeth 31 are located on the side of the protrusion, and when the sliding lock catch 3 moves laterally, the sliding blocks 31 can contact with or separate from the laterally protruding fixed teeth 11.

Furthermore, the two sliding lock catches 3 of the present invention are disposed oppositely, the end of each sliding lock catch 3 is disposed with a set of sliding teeth 31, correspondingly, two sets of fixed teeth 11 are disposed at the opposite positions of the inner ring of the fixed lock core 1, and the two sets of fixed teeth 11 are disposed at the opposite sides of the inner ring of the fixed lock core 1; the sliding teeth 31 are engaged with the fixed teeth 11 on the side where the sliding teeth are located, as shown in fig. 3A, which is a bottom view of the door and window lock opening safety device provided by the present invention; fig. 3B to 3D are respectively a top view, a front view and a side view of the door/window lock opening safety device provided by the present invention; when the two groups of fixed teeth 11 are respectively positioned on the left side and the right side, the two sliding latches 3 are transversely arranged left and right, the two sliding latches 3 can transversely slide left and right, the sliding teeth 31 of the sliding latch 3 on the left side are matched and meshed with the fixed teeth 11 on the left side, the sliding teeth 31 and the fixed teeth 11 can be meshed and locked when the sliding latch 3 on the left side moves left, and the sliding teeth 31 and the fixed teeth 11 can be unlocked when the sliding latch 3 on the left side moves right; the sliding teeth 31 of the right sliding lock catch 3 are matched and meshed with the fixed teeth 11 on the right, when the right sliding lock catch 3 moves rightwards, the sliding teeth 31 and the fixed teeth 11 can be meshed and locked, and when the right sliding lock catch 3 moves leftwards, the sliding teeth 31 and the fixed teeth 11 can be unlocked.

A sliding return spring 32 is arranged between the two sliding latches 3, the sliding return spring 32 applies opposite thrust to the two sliding latches 3, so that the two sliding latches 3 tend to move away from each other, and the sliding teeth 31 are in contact locking with the fixed teeth 11. Still take the two sliding lock catches 3 to be arranged horizontally left and right for explanation, the sliding return spring 32 applies a leftward elastic force to the left sliding lock catch 3, so that the left sliding lock catch 3 has a leftward movement tendency, and the left sliding teeth 31 and the fixed teeth 11 are engaged and locked; the slide return spring 32 applies a rightward elastic force to the right slide fastener 3, and the right slide fastener 3 has a tendency to move rightward, so that the right slide tooth 31 and the fixed tooth 11 are engaged and locked.

When the unlocking is needed, relative pressure is applied to the sliding lock catches 3 on the left side and the right side, the sliding lock catches 3 resist the elastic force of the sliding return springs 32, the two sliding lock catches 3 are close to each other, and the locking of the two groups of sliding teeth 31 and the fixed teeth 11 is released; rationally set up the interval at the both ends that two slip hasp 3 kept away from each other, for example, the interval is 115mm, the distance that makes the end that two slip hasp 3 kept away from each other is greater than the size of children's palm, make children unable press two slip hasp 3 unblocks simultaneously through the one hand, children only both hands operate simultaneously and just can make slip hasp 3 retract simultaneously and slide, just it is rotatory to make to rotate shell 2, in case loosen one and realize the locking again, and the door and window lock need rotate shell 2 rotatory locking after just can open, fundamentally prevents children from opening door and window.

Through setting up two slip hasp 3, only two slip hasp 3 press simultaneously and just can remove the locking when keeping away from with fixed lock core 1, only press a slip hasp 3 inefficacy, still are in the locking state, rotate shell 2 and still can't rotate, door and window just also can't be opened, avoid young children's accident to open door and window and cause danger.

By arranging the sliding return spring 32, when the hand does not apply pressing force to the sliding lock catch 3, the sliding teeth 31 and the fixed teeth 11 automatically contact and mesh under the action of elastic force to realize locking, and the sliding lock catch 3 does not need to be moved reversely

Slide reset spring 32 sets up between two slip hasp 3, and the use quantity of reducible spring if there is the needs, also can set up the spring respectively between slip hasp 3 and rotation shell 2, and these specific embodiments all should receive the utility model discloses a protection.

On the basis of any one of the above-mentioned technical scheme and intercombination, the utility model discloses a fixed tooth 11 and slip tooth 31 are the slope setting relatively, also are every bellied tooth piece and asymmetric structure, and every tooth piece is the wedge, and the gradient of two sides of wedge is different.

A rotary return spring 5 is arranged between the fixed lock cylinder 1 and the rotary shell 2, and the rotary return spring 5 applies torsional force to the sliding lock catch 3. One end of a rotary return spring 5 is connected with the fixed lock cylinder 1, and the other end is connected with the rotary shell 2; the fixed lock cylinder 1 is fixed with a door and a window, when the rotating shell 2 is rotated and unlocked relative to the fixed lock cylinder 1, the rotating reset spring 5 is stretched to generate elastic force, when a user releases the rotating shell 2, the rotating shell 2 automatically rotates relative to the fixed lock cylinder 1 under the action of the elastic force of the rotating reset spring 5 to return to an initial state, and meshing locking is automatically realized; the rotating return spring 5 and the sliding return spring 32 are used in cooperation, and as long as the rotating shell 2 and the sliding lock catch 3 are loosened, the sliding teeth 31 are automatically contacted and meshed with the fixed teeth 11 to realize locking.

Because the fixed teeth 11 and the sliding teeth 31 are arranged obliquely relatively, and each tooth block is of an asymmetric structure, in order to facilitate resetting under the action of the elastic force of the rotary reset spring 5, when the rotary shell 2 is reset and rotated, the inclined planes with smaller inclination are contacted, and locking is easier to realize; and the inclined surfaces with larger inclination contact in the locking state, so that the locking firmness is ensured.

Specifically, the utility model provides a middle part of rotating shell 2 is the drum, and both ends link up, and the periphery of fixed lock core 1 is circular, and fixed lock core 1 can be put into the drum at rotating shell 2 middle part just, and it is rotatory around fixed lock core 1 to make to rotate shell 2. The two sides of the cylinder in the middle of the rotating shell 2 are oppositely provided with sliding chutes for guiding the sliding lock catch 3, the sliding chutes are U-shaped and formed by a bottom surface and two side surfaces, and the sliding chutes are linear and can enable the sliding lock catch 3 to do reciprocating translational motion along a straight line.

The safety device for opening the door and window lock further comprises an unlocking tongue 41 fixedly connected with the rotating shell 2, the unlocking tongue 41 is of a plate-shaped structure, the unlocking tongue 41 is matched with a sliding groove on the rotating shell 2 to form a channel for guiding the sliding lock catch 3, and the sliding lock catch 3 is prevented from being separated; the unlocking column 4 is vertically fixed on the plate surface of the unlocking bolt 41, the unlocking column 4 is indirectly fixed relative to the rotating shell 2 through the unlocking bolt 41, and the unlocking column 4 is driven to rotate by the rotating shell 2.

Preferably, the length of the unlocking tongue 41 in the present invention is smaller than the length of the rotating housing 2, so that the end portions of the two sliding grooves which are far away from each other are not covered by the unlocking tongue 41; the sliding lock catch 3 has a trend of being far away from the fixed lock cylinder 1 in a meshing and locking state, so that the outer end of the sliding lock catch 3 is farthest away from the fixed lock cylinder 1, the outer end of the sliding lock catch 3 is positioned in the sliding groove of the rotating shell 2 at the moment, and the sliding lock catch 3 does not exceed the range of the sliding groove on the rotating shell 2 all the time; and at this moment, the sliding lock catch 3 is exposed out of the unlocking tongue 41, the sliding lock catch 3 exceeds the range of the unlocking tongue 41 in the length direction, and the sliding lock catch 3 is convenient to press by fingers and is not blocked by the unlocking tongue 41 through the structure. The unlocking tongue 41 can also play a limiting role, and fingers cannot continuously press inwards when contacting the end part of the unlocking tongue 41.

Preferably, the outer end of the sliding lock catch 3 is provided with an inward-sunk arc groove, and pressing fingers are sunk into the arc groove, so that the pressing comfort is improved, and the force transmission is facilitated.

As shown in fig. 1, the sliding lock catch 3 is provided with a strip-shaped waist-shaped hole 33, and the length direction of the waist-shaped hole 33 is the same as the translation direction of the sliding lock catch 3; the unlocking bolt 41 and the rotating shell 2 are fixed through a bolt, the bolt for fixing the unlocking bolt 41 and the rotating shell 2 penetrates through the kidney-shaped hole 33, the kidney-shaped hole 33 can also play a limiting role, and the outermost moving position and the innermost moving position of the sliding lock catch 3 are limited.

A fixed connecting plate 12 is fixedly arranged in the inner ring of the fixed lock cylinder 1, the fixed connecting plate 12 is of a strip-shaped plate-shaped structure, and two ends of the fixed connecting plate 12 are respectively fixed at the opposite positions of the side walls of the inner ring of the fixed lock cylinder 1; the fixed connecting plate 12 is provided with bolt holes, as shown in fig. 1, the smaller holes at two sides of the fixed connecting plate 12 are bolt holes, and bolts penetrate through the bolt holes to fixedly connect the fixed lock cylinder 1 and the door window relatively.

The middle of the fixed connection plate 12 is provided with a through hole which is positioned between the two bolt holes, the unlocking column 4 penetrates through the through hole in the center of the fixed connection plate 12 and extends out of the other end of the fixed lock cylinder 1, the unlocking column 4 is abducted by the through hole, and the outer surface of the part, in contact with the through hole, of the unlocking column 4 is a cylindrical surface.

The utility model also provides a safe door and window, including above-mentioned arbitrary door and window lock open safeties, can play the same technological effect.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A door and window lock opening safety device, comprising:

the fixed lock core (1) is fixed with the door and the window, and fixed teeth (11) are arranged on the fixed lock core;

a turning housing (2) rotatable around the stationary lock cylinder (1);

a sliding lock catch (3) guided by the rotary housing (2) to approach or depart from the fixed lock cylinder (1); the sliding lock catch (3) is provided with sliding teeth (31), and the sliding lock catch (3) is contacted with the fixed lock cylinder (1) to enable the sliding teeth (31) to be meshed with the fixed teeth (11);

and the unlocking column (4) is vertical to the rotating plane of the rotating shell (2) in the length direction, can be inserted into a limiting hole of the door and window lock, and is driven to rotate by the rotating shell (2).

2. Door and window lock opening safety device according to claim 1, characterized in that the fixed lock cylinder (1) is circular ring shaped, and the fixed teeth (11) are convexly arranged on the inner wall of the fixed lock cylinder (1);

the sliding teeth (31) are arranged on the surface of the end part of the sliding lock catch (3) in a protruding mode and can extend into the inner ring of the fixed lock cylinder (1).

3. Door and window lock opening safety device according to claim 2, characterized in that said sliding catches (3) are arranged oppositely, said sliding teeth (31) being in mating engagement with said fixed teeth (11) on the side where they are located;

a sliding return spring (32) is arranged between the two sliding lock catches (3), and the sliding return spring (32) applies reverse thrust to the two sliding lock catches (3) to enable the sliding teeth (31) to be in contact locking with the fixed teeth (11).

4. Door and window lock opening safety device according to any of claims 1 to 3, characterized in that the fixed teeth (11) and the sliding teeth (31) are arranged obliquely with respect to each other, a rotational return spring (5) is arranged between the fixed lock cylinder (1) and the rotating housing (2), the rotational return spring (5) applying a twisting force to the sliding lock catch (3).

5. Door and window lock opening safety device according to claim 4, characterized in that the middle of the rotating housing (2) is a cylinder, and sliding grooves for guiding the sliding catches (3) are oppositely arranged at both sides of the cylinder.

6. The door and window lock opening safety device according to claim 5, characterized by further comprising a releasing tongue (41) fixedly connected with the rotating housing (2), the releasing tongue (41) and the sliding groove on the rotating housing (2) forming a channel for guiding the sliding shackle (3); the unlocking column (4) is vertically fixed on the unlocking bolt (41).

7. The door and window lock opening safety device according to claim 6, wherein the length of the unlocking tongue (41) is smaller than the length of the rotating housing (2), and the outer end of the sliding shackle (3) in the engaged and locked state is inside the sliding slot of the rotating housing (2) and exposed to the unlocking tongue (41); the outer end of the sliding lock catch (3) is provided with an inward-sunk arc groove.

8. Door and window lock opening safety device according to claim 6, characterized in that the sliding lock catch (3) is provided with an elongated kidney-shaped hole (33), and a bolt for fixing the unlocking tongue (41) and the rotating housing (2) passes through the kidney-shaped hole (33).

9. The door and window lock opening safety device according to claim 4, characterized in that a fixed connecting plate (12) is fixedly arranged in the inner ring of the fixed lock cylinder (1), and the fixed connecting plate (12) is provided with a bolt hole; the unlocking column (4) penetrates through a through hole in the center of the fixed connecting plate (12) and extends out of the other end of the fixed lock cylinder (1).

10. A security door or window comprising the door or window lock opening safety device according to any one of claims 1 to 9.

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