CN219344338U - Safety mechanism, door fitting and lock - Google Patents

Abstract

The utility model discloses a safety mechanism, a door fitting and a lockset. The safety mechanism includes: the device comprises a shell, a connecting piece, a sliding piece and a limiting arm; the connecting piece is movably arranged on the shell and used for connecting the door switch and moving along with the door switch, and is provided with a limiting opening; the sliding piece is arranged on the shell in a sliding way and can slide between a first position and a second position, when the sliding piece is in the first position, the sliding piece is clamped in the limiting opening to limit the movement of the connecting piece, and when the sliding piece is in the second position, the sliding piece is separated from the limiting opening to release the movement limitation of the connecting piece; the limiting arm is arranged on the shell; the sliding piece is provided with a second notch, the limiting arm is provided with a first end, the first end can be clamped at the second notch to enable the sliding piece to be kept at a second position, a user can release the sliding piece and then apply force to the door switch, so that the lock body is in an unlocking state, the operation is simpler, the structure is simple, and the lock is not easy to fail. The door fitting includes a door switch and the safety mechanism described above. The lockset comprises a lock body and the door accessory.

Description

Safety mechanism, door fitting and lock

Technical Field

The utility model relates to the technical field of door locks, in particular to a safety mechanism, a door fitting and a lockset.

Background

Door locks, as the name implies, are devices used to lock a door to prevent others from unlocking the door, and are classified into a number of types, and the door locks are required differently in various applications.

The door lock generally comprises a door switch and a lock body, wherein a user applies force to the door switch to enable the lock body to be in an unlocking state or a locking state, and in some application occasions, the door lock also needs to comprise a safety mechanism which can keep the lock body in the locking state by limiting the movement of the door switch, and when the door lock needs to be unlocked, the user applies force to the safety mechanism so as to release the movement limitation of the door switch, and at the moment, the door lock can be opened;

however, in the existing door locks, a user is generally required to apply force to the safety mechanism and the door switch simultaneously to unlock the door lock, and the operation is complicated and difficult.

Disclosure of Invention

In order to overcome at least one of the above-mentioned drawbacks of the prior art, the present utility model provides a safety mechanism, which aims to solve the problem that a user needs to apply force to the safety mechanism and a door switch simultaneously to open a door lock; secondly, the utility model also provides a door fitting comprising the safety mechanism; again, the utility model also provides a lock comprising a door fitting as described above.

The utility model adopts the technical proposal for solving the problems that:

a safety mechanism comprising: a housing; the connecting piece is movably arranged on the shell and is used for connecting the door switch and moving along with the door switch, and the connecting piece is provided with a limiting opening; the sliding piece is arranged on the shell in a sliding way and can slide between a first position and a second position; when the sliding piece is positioned at the first position, the sliding piece is clamped in the limiting opening to limit the movement of the connecting piece; when the sliding piece is positioned at the second position, the sliding piece is separated from the limiting opening so as to release the movement restriction of the connecting piece; the limiting arm is arranged on the shell; the sliding piece is provided with a second notch, the limiting arm is provided with a first end, and the first end can be clamped to the second notch so that the sliding piece is kept at the second position.

According to the safety mechanism provided by the utility model, the movement of the connecting piece is controlled through the sliding of the sliding piece, so that the movement of the door switch is controlled; when the door is at the first position, the sliding piece is clamped at the limiting opening of the connecting piece, and the connecting piece cannot move, so that the door switch cannot move, and the lock body is kept in a locking state; when the door is in the second position, the sliding part is separated from the limiting opening of the connecting part, and the connecting part can move so that the door switch can also move, and at the moment, the door switch can be forced to be in an unlocking state; more importantly, the user can apply force to the sliding part to enable the sliding part to slide to the second position, and the first end of the limiting arm can be clamped to the second notch of the sliding part to keep the sliding part at the second position, so that the user can release the sliding part and apply force to the door switch again, and the lock body is in an unlocking state, and does not need to apply force to the sliding part and the door switch at the same time.

According to some embodiments of the utility model, the slider further has a first notch, the first end being capable of being snapped into the first notch to retain the slider in the first position.

Through adopting above-mentioned scheme, utilize the joint cooperation between the first end of spacing arm and the first breach of slider to improve the locking stability of slider to the connecting piece, avoid the slider to slide out the spacing mouth because of gravity.

According to some embodiments of the utility model, the first end includes a first resilient member that is compressed during sliding movement of the slider from the first position to the second position.

Through adopting above-mentioned scheme, slider motion makes the first end of spacing arm break away from in first breach or second breach, and the first end of spacing arm can receive the butt of slider, and first elastic component can be compressed by elasticity to avoid spacing arm and slider to appear interfering the structural damage that leads to, improved life greatly.

According to some embodiments of the utility model, the connecting piece is rotatably arranged on the shell, and the limiting opening is formed by concave outer side wall of the connecting piece; the limiting arm is rotationally arranged on the shell and is also provided with a second end, and the second end is propped against the outer side wall of the connecting piece; the safety mechanism further comprises a second elastic piece, when the connecting piece rotates to a release position enabling the limiting opening to be opposite to the second end, the second end is inserted into the limiting opening so that the limiting arm rotates relative to the connecting piece, the first end is separated from the second notch, and the second elastic piece elastically drives the sliding piece to slide to the first position to reset the sliding piece.

Through adopting the scheme, firstly, when unlocking is needed, the sliding part is positioned at the second position, the connecting part can rotate, when the connecting part rotates to the unlocking position, the first end of the limiting arm is separated from the second notch, namely, the limiting arm can release the movement restriction on the sliding part, under the action of the second elastic part, the sliding part slides to the first position and props against the outer side wall of the connecting part, the connecting part can still continue to rotate to a position for enabling the lock body to be in an unlocking state, and it can be understood that when the second ends of the limiting opening and the limiting arm are misplaced, the second end of the limiting arm props against the outer side wall of the connecting part again, the limiting arm can return to the initial position, and the first end of the limiting arm is propped against by the sliding part, so that the first elastic part is elastically compressed; thereafter, when needing to close the lock, the connecting piece rotates to the position that makes the lock body be in the state of closing the lock, and spacing mouth and the slider of connecting piece are just relative this moment, and under the effect of second elastic component, the slider can slide to first position in order to joint in the spacing mouth of connecting piece to the rotation of restriction connecting piece, the first end of spacing arm also can block in the first breach of slider in order to keep the slider in first position, so, realized the automatic re-setting of slider, the function implementation is easy, and the principle of resetting is exquisite, need not manual reset, has improved the convenience greatly.

According to some embodiments of the utility model, the housing has a mounting hole therein, one end of the second elastic member is inserted into the mounting hole, and the other end of the second elastic member abuts against the sliding member.

Through adopting above-mentioned scheme, when the slider slides to the second position, the second elastic component receives the compression, and the elastic potential energy that the second elastic component had can be converted into kinetic energy in order to reset the slider to the first position to, the setting of mounting hole, drunkenness in the casing when can avoid the second elastic component to take place deformation, in order to prevent that the second elastic component from inefficacy, guaranteed the job stabilization nature of second elastic component.

According to some embodiments of the utility model, the first end further comprises a ball-shaped latch, the ball-shaped latch being connected to one end of the first elastic member; the first notch and the second notch are matched with the spherical clamping block, and the spherical clamping block can be alternatively clamped to the first notch and the second notch.

Through adopting above-mentioned scheme, can improve the first end of spacing arm respectively with the joint stability of first breach and second breach.

According to some embodiments of the utility model, the sliding device further comprises a poking block connected to the sliding piece, wherein the poking block is exposed out of the shell for operation by a user.

By adopting the scheme, the sliding piece is convenient for a user to drive.

The utility model further provides a door accessory comprising a door switch and a safety mechanism as described above, wherein the connecting piece is connected to the door switch and moves along with the door switch.

According to some embodiments of the utility model, the connector and the door switch are integrally formed.

By adopting the scheme, the structural strength and the service life are improved, and the production cost is reduced.

The utility model further provides a lockset, which comprises a lock body and the door accessory, wherein the lock body is connected with the connecting piece in a transmission way; the lock body can move between an unlocking state and a locking state under the driving of the connecting piece.

Drawings

FIG. 1 is a schematic front view of a slider in a first position according to an embodiment of the present utility model;

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

FIG. 3 is a schematic front view of the sliding member in a second position according to the embodiment of the present utility model;

FIG. 4 is a schematic view of the back structure of FIG. 3;

FIG. 5 is a schematic front view of the connector in an open position according to an embodiment of the present utility model;

FIG. 6 is a schematic view of the back structure of FIG. 5;

FIG. 7 is a schematic view of the front structure of an embodiment of the present utility model when the door switch is in the unlocked position;

fig. 8 is a schematic view of the back structure of fig. 7.

Wherein the reference numerals have the following meanings:

the device comprises a 10-shell, a 11-connecting piece, a 111-limiting opening, a 12-sliding piece, a 121-first notch, a 122-second notch, a 123-limiting block, a 124-abutting bulge, a 13-limiting arm, a 131-first end, a 1311-first elastic piece, a 1312-spherical clamping block, a 132-second end, a 133-rotating shaft, a 14-second elastic piece, a 15-mounting hole, a 16-toggle piece, a 17-guiding opening, a 18-door switch, a 181-third magnet, a 19-first magnet and a 20-second magnet.

Detailed Description

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

In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

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 utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

It will be appreciated that, for example, when a pet or child is present at home, a safety mechanism is required to prevent the lock from being opened by mistake; for example, in a conventional sliding door lock, an inner door switch is usually only arranged on the inner side of the door, when the inner door switch fails or an indoor person loses mobility, an outdoor person cannot open the door from the outer side of the door, and potential safety hazards exist.

Referring to fig. 1 to 4, the present utility model discloses a safety mechanism, comprising: a housing 10, a connector 11, a slider 12 and a stopper arm 13; the connecting piece 11 is movably arranged on the shell 10 and is used for connecting the door switch 18 and moving along with the door switch 18, and the connecting piece 11 is provided with a limit opening 111; the sliding piece 12 is slidably arranged on the shell 10 and can slide between a first position and a second position, when the sliding piece 12 is in the first position, the sliding piece 12 is clamped in the limiting opening 111 to limit the movement of the connecting piece 11, and when the sliding piece 12 is in the second position, the sliding piece 12 is separated from the limiting opening 111 to release the movement limitation of the connecting piece 11; the limiting arm 13 is arranged on the shell 10; as shown in fig. 4, the sliding member 12 has a second notch 122, the limiting arm 13 has a first end 131, and the first end 131 can be clamped to the second notch 122 to keep the sliding member 12 in the second position. Specifically, the door switch 18 may be, but is not limited to, a door handle or a door knob, etc., without limitation.

It should be noted that, the connecting piece 11 is further used for being in driving connection with the lock body, so that the user applies force to the door switch 18, the door switch 18 moves to drive the connecting piece 11 to move, and the lock body can move between the unlocking state and the locking state under the drive of the connecting piece 11, specifically, in this embodiment, the state of the lock body is controlled by rotating the connecting piece 11, and the connecting piece 11 is driven to rotate by rotating the door switch 18. Indeed, in some other embodiments, the state of the lock body may also be controlled by sliding the connecting member 11, which is not limited only herein.

Thus, the sliding of the sliding member 12 is used for controlling the movement of the connecting member 11, thereby controlling the movement of the door switch 18; when the door lock is in the first position, the sliding piece 12 is clamped to the limiting opening 111 of the connecting piece 11, the connecting piece 11 cannot move, so that the door switch 18 cannot move, and the lock body is kept in a locking state; when the door switch 18 is in the second position, the sliding piece 12 is separated from the limit opening 111 of the connecting piece 11, the connecting piece 11 can move so that the door switch 18 can also move, and at the moment, the door switch 18 can be forced to enable the lock body to be in an unlocking state; more importantly, the user can apply force to the sliding member 12 to slide the sliding member 12 in the second position, and the first end 131 of the limiting arm 13 can be clamped with the second notch 122 of the sliding member 12 to keep the sliding member 12 in the second position, so that the user can release the sliding member 12 and apply force to the door switch 18 again, so that the lock body is in an unlocking state, and the user applies force to the sliding member 12 and the door switch 18 successively.

As shown in fig. 1 and 3, in particular, in this embodiment, the sliding device further includes a toggle block 16 connected to the sliding member 12, where the toggle block 16 is exposed to the housing 10 for a user to operate, so that the user can drive the sliding member 12 by driving the sliding member 12 up and down through the toggle block 16. Preferably, the surface of the toggle block 16 is also formed with an anti-slip structure.

As shown in fig. 4, in particular, in this embodiment, the sliding member 12 is clamped to the limiting opening 111 by the guiding opening 17, and the guiding opening 17 is provided in the housing 10.

Further, in the present embodiment, the sliding member 12 further has a first notch 121, and the first end 131 of the limiting arm 13 can be engaged with the first notch 121 to keep the sliding member 12 in the first position, as shown in fig. 2. In this way, the locking stability of the sliding member 12 to the connecting member 11 is improved by using the snap fit between the first end 131 of the limiting arm 13 and the first notch 121 of the sliding member 12, so as to prevent the sliding member 12 from sliding out of the limiting opening 111 due to gravity.

As shown in fig. 2 and 4, in the present embodiment, the first end 131 preferably includes a first elastic member 1311, and the first elastic member 1311 is compressed during the sliding of the sliding member 12 from the first position to the second position. Thus, when the first end 131 of the limiting arm 13 is separated from the first notch 121 or the second notch 122 by the movement of the sliding member 12, the first end 131 of the limiting arm 13 is pressed by the sliding member 12, and the first elastic member 1311 can be elastically compressed, so that structural damage caused by interference between the limiting arm 13 and the sliding member 12 is avoided, the service life is greatly prolonged, when the sliding member 12 is in the first position, the deformation of the first elastic member 1311 is recovered and clamped in the first notch 121, and when the sliding member 12 is in the second position, the deformation of the first elastic member 1311 is recovered and clamped in the second notch 122. It will be appreciated that in some other embodiments, the first notch 121 may not be provided in the slider 12, such that the first resilient member 1311 is always compressed when the slider 12 is in the first position.

As shown in fig. 5 and 6, in this embodiment, the limiting arm 13 is rotatably disposed on the housing 10 through the rotating shaft 133, and the limiting arm 13 further has a second end 132, where the second end 132 abuts against the outer side wall of the connecting member 11; the limiting opening 111 is formed by the concave of the outer side wall of the connecting piece 11; when the connecting piece 11 rotates to the releasing position where the limiting opening 111 is opposite to the second end 132, the second end 132 of the limiting arm 13 is inserted into the limiting opening 111 to rotate the limiting arm 13 relative to the connecting piece 11, the first end 131 of the limiting arm 13 is separated from the second notch 122, and the second elastic piece 14 drives the sliding piece 12 to slide to the first position by elastic force to reset the sliding piece 12.

When the connecting piece 11 rotates to the unlocking position, the first end 131 of the limiting arm 13 is separated from the second notch 122, that is, the limiting arm 13 can release the movement limitation of the sliding piece 12, under the action of the second elastic piece 14, the sliding piece 12 slides to the first position and abuts against the outer side wall of the connecting piece 11, at this time, the sliding piece 12 slides into the guide opening 17 but is not clamped to the limiting opening 111, the connecting piece 11 can still rotate continuously to a position where the lock body is in the unlocking state, and it can be understood that, as shown in fig. 7 and 8, when the second end 132 of the limiting opening 111 and the second end 132 of the limiting arm 13 are dislocated, the second end 132 of the limiting arm 13 abuts against the outer side wall of the connecting piece 11 again, the limiting arm 13 returns to the initial position, and the first end 131 of the limiting arm 13 is pressed by the sliding piece 12, so that the first elastic piece 1311 is elastically compressed; thereafter, when the lock is required to be closed, the connecting piece 11 rotates to a position enabling the lock body to be in a closed state, at this time, the limiting opening 111 of the connecting piece 11 is opposite to the sliding piece 12, under the action of the second elastic piece 14, the sliding piece 12 can slide to the first position to be clamped at the limiting opening 111 of the connecting piece 11, so that the rotation of the connecting piece 11 is limited, the first end 131 of the limiting arm 13 can also be clamped at the first notch 121 of the sliding piece 12 to keep the sliding piece 12 at the first position, and therefore, automatic reset of the sliding piece 12 is achieved, the function is easy to achieve, the reset principle is exquisite, manual reset is not required, and convenience is greatly improved.

As shown in fig. 2, in the embodiment, preferably, the housing 10 has a mounting hole 15, one end of the second elastic member 14 is inserted into the mounting hole 15, and the other end of the second elastic member 14 abuts against the sliding member 12, so that when the sliding member 12 slides to the second position, the second elastic member 14 is compressed, the elastic potential energy of the second elastic member 14 can be converted into kinetic energy to reset the sliding member 12 to the first position, and the mounting hole 15 can prevent the second elastic member 14 from moving in the housing 10 when deformed, so as to prevent the second elastic member 14 from failing, and ensure the working stability of the second elastic member 14.

Preferably, the first end 131 further includes a ball-shaped latch 1312, the ball-shaped latch 1312 being connected to one end of the first elastic member 1311; the first notch 121 and the second notch 122 are both matched with the spherical clamping block 1312, and the spherical clamping block 1312 can be alternatively clamped in the first notch 121 and the second notch 122, so that the clamping stability of the first end 131 of the limiting arm 13 and the first notch 121 and the second notch 122 can be improved.

Preferably, as shown in fig. 2, the sliding member 12 has a stopper 123 protruding from one end in the sliding direction for snap-fitting with the stopper opening 111, and the sliding member 12 has an abutment protrusion 124 protruding from the other end in the sliding direction for abutment with the second elastic member 14.

The utility model further provides a door fitting comprising a door switch 18 and a safety mechanism as described above, wherein the connecting piece 11 is connected to the door switch 18 and moves along with the door switch 18.

Preferably, the connector 11 and the door switch 18 are integrally formed to improve structural strength and service life, and reduce production costs.

Preferably, in this embodiment, the door switch 18 is a door handle that is rotatable between an unlocked position in which the lock body is in an unlocked state and a locked position in which the lock body is in a locked state; as shown in fig. 7, the housing 10 is provided with a first magnet 19 for magnetically attracting the door handle in the closed position and a second magnet 20 for magnetically attracting the door handle in the open position, and specifically, a third magnet 181 capable of magnetically engaging the first magnet 19 and the second magnet 20, respectively, is provided on the door handle.

The utility model further provides a lockset which comprises a lock body and the door fitting, wherein the lock body is connected with the connecting piece 11 in a transmission way; the lock body can move between an unlocking state and a locking state under the driving of the connecting piece 11.

In summary, the safety mechanism, the door fitting and the lock disclosed by the utility model have the following beneficial effects:

1) The safety mechanism can limit the movement of the door switch 18, so that outdoor personnel can be prevented from randomly opening and closing the door through the door switch 18 at the outer side of the door, and the indoor privacy and safety are ensured;

2) The first end 131 of the limiting arm 13 can be clamped with the second notch 122 of the sliding piece 12 so as to keep the sliding piece 12 in the second position, so that a user can release the sliding piece 12 and then apply force to the door switch 18, the lock body is in an unlocking state, the operation is simpler, the structure is simple, the failure is not easy, and the service life is long;

3) The locking stability of the sliding piece 12 to the connecting piece 11 is improved by utilizing the clamping fit between the first end 131 of the limiting arm 13 and the first notch 121 of the sliding piece 12, so that the sliding piece 12 is prevented from sliding out of the limiting opening 111 due to gravity;

4) When the first end 131 of the limiting arm 13 is separated from the first notch 121 or the second notch 122 due to the movement of the sliding piece 12, the first end 131 of the limiting arm 13 can be pressed by the sliding piece 12, and the first elastic piece 1311 can be elastically compressed, so that structural damage caused by interference between the limiting arm 13 and the sliding piece 12 is avoided, and the service life is greatly prolonged;

5) The automatic resetting of the sliding piece 12 is realized, the function is easy to realize, the resetting principle is exquisite, and the convenience is greatly improved;

6) The arrangement of the mounting holes 15 can avoid the second elastic element 14 from moving in the shell 10 when being deformed, so as to prevent the second elastic element 14 from failing and ensure the working stability of the second elastic element 14.

The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims (10)

1. A safety mechanism, comprising:

a housing (10);

the connecting piece (11) is movably arranged on the shell (10) and is used for connecting the door switch (18) and moving along with the door switch (18), and the connecting piece (11) is provided with a limiting opening (111);

a slider (12) slidably provided in the housing (10) and slidable between a first position and a second position; when the sliding piece (12) is positioned at the first position, the sliding piece is clamped with the limiting opening (111) so as to limit the movement of the connecting piece (11); when in the second position, the sliding piece (12) is separated from the limiting opening (111) so as to release the movement limitation of the connecting piece (11);

a limiting arm (13) arranged on the shell (10);

the sliding piece (12) is provided with a second notch (122), the limiting arm (13) is provided with a first end (131), and the first end (131) can be clamped with the second notch (122) so as to enable the sliding piece (12) to be kept at the second position.

2. The safety mechanism of claim 1, wherein the slider (12) further has a first notch (121), the first end (131) being capable of being snapped into the first notch (121) to retain the slider (12) in the first position.

3. The safety mechanism according to claim 1 or 2, wherein the first end (131) comprises a first resilient member (1311), the first resilient member (1311) being compressed during sliding movement of the slider (12) from the first position to the second position.

4. A safety mechanism according to claim 3, wherein the connecting piece (11) is rotatably arranged on the shell (10), and the limiting opening (111) is formed by the concave outer side wall of the connecting piece (11);

the limiting arm (13) is rotatably arranged on the shell (10), the limiting arm (13) is further provided with a second end (132), and the second end (132) is abutted against the outer side wall of the connecting piece (11);

the safety mechanism further comprises a second elastic piece (14), when the connecting piece (11) rotates to a release position where the limiting opening (111) is opposite to the second end (132), the second end (132) is inserted into the limiting opening (111) so that the limiting arm (13) rotates relative to the connecting piece (11), the first end (131) is separated from the second notch (122), and the second elastic piece (14) drives the sliding piece (12) to slide to the first position to reset the sliding piece (12).

5. The safety mechanism according to claim 4, wherein the housing (10) has a mounting hole (15), one end of the second elastic member (14) is inserted into the mounting hole (15), and the other end of the second elastic member (14) abuts against the sliding member (12).

6. The safety mechanism of claim 2, wherein the first end (131) includes a first resilient member (1311), the first resilient member (1311) being compressed during sliding movement of the slider (12) from the first position to the second position; the first end (131) further comprises a ball-shaped clamping block (1312), and the ball-shaped clamping block (1312) is connected to one end of the first elastic piece (1311); the first notch (121) and the second notch (122) are matched with the spherical clamping block (1312), and the spherical clamping block (1312) can be alternatively clamped with the first notch (121) and the second notch (122).

7. The safety mechanism of claim 1, further comprising a toggle block (16) coupled to the slider (12), the toggle block (16) being exposed to the housing (10) for user operation.

8. Door fitting, characterized by comprising a door switch (18) and by comprising a safety mechanism according to any of claims 1-7, said connection (11) being connected to said door switch (18) and following the movement of said door switch (18).

9. Door fitting according to claim 8, characterized in that the connection piece (11) and the door switch (18) are integrally formed.

10. Lockset, characterized by comprising a lock body, further comprising a door fitting according to claim 8 or 9, said lock body being drivingly connected to said connecting piece (11); the lock body can move between an unlocking state and a locking state under the driving of the connecting piece (11).

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