CN221220084U - Sliding door lock - Google Patents

Abstract

The utility model relates to the technical field of sliding door locks, in particular to a sliding door lock which comprises a lock tongue mechanism and a clamping groove matched with the lock tongue mechanism, wherein the lock tongue mechanism comprises a lock tongue, a rotating shaft, an elastic reset piece and an operating handle, one end of the lock tongue is rotatably connected in a sliding groove through the rotating shaft and can slide relatively along the sliding groove, the other end of the lock tongue is provided with a clamping hook which is clamped with the clamping groove, the rotating shaft is arranged at the lower end of the lock tongue, a lug is arranged on the rotating shaft, an extending foot pivoted with the lug is arranged on the lock tongue, and the lock tongue is provided with a hidden position hidden in a cavity and a clamping position which extends out of the cavity and is clamped with the clamping groove, so that the problem of relatively low safety of the existing sliding door lock is solved.

Description

Sliding door lock

Technical Field

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

Background

Sliding doors, also called sliding doors, are common furniture in door furniture, and are widely used because of the convenience of use, and when the sliding door is opened and closed in a sliding manner, the existing sliding doors are usually buckled between the door and the door or between the door and the door frame by utilizing a lock tongue mechanism, and the main principle of the lock tongue mechanism is as follows: the locking after the sliding door is closed is realized by utilizing the clamping hook at the end part of the lock tongue to be pressed and buckled with the clamping groove on the other sliding door or the door frame, and the locking has the defects that;

The spring bolt of current spring bolt mechanism is all external in the side of sliding door, when at whole sliding door removal in-process, external trip is damaged because of the collision easily, and simultaneously in sliding door use, external trip also is easy when personnel pass through the sliding door, hangs the pedestrian, brings inconvenience for personnel's use.

Disclosure of utility model

In order to solve the technical problems, the utility model aims to provide a sliding door lock, which solves the problem that the existing sliding door lock is relatively low in safety.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: including establish the spring bolt mechanism on the sliding door and with spring bolt mechanism complex draw-in groove, the inside cavity that holds spring bolt mechanism that is equipped with of sliding door, the inner wall of cavity opens the spout along the slip direction of sliding door, spring bolt mechanism includes:

one end of the lock tongue is rotatably connected in the chute through a rotating shaft and can slide relatively along the chute, and the other end of the lock tongue is provided with a clamping hook which is clamped with the clamping groove;

The rotary shaft is arranged at the lower end of the lock tongue, a lug is arranged on the rotary shaft, an extension foot pivoted with the lug is arranged on the lock tongue, the lock tongue is provided with a hiding position hidden in the cavity and a clamping position extending out of the cavity and clamped with the clamping groove, and after the rotary shaft rotates, the lock tongue is driven to switch between the hiding position and the clamping position, and when the lock tongue is positioned at the hiding position or the clamping position, the extension foot is abutted against the lug so as to limit the lock tongue to slide along the chute;

the operating handle is positioned at the outer side of the sliding door and used for driving the rotating shaft to rotate;

The elastic reset piece elastically connects the lock tongue with the inner wall of the cavity so as to provide elastic reset force for the lock tongue after displacement.

Furthermore, the clamping groove is provided with a first inclined plane, the end part of the clamping hook is provided with a second inclined plane, and inclined wedge matching is formed between the first inclined plane and the second inclined plane, so that when the clamping hook is clamped to the clamping groove in a displacement manner, the rotating acting force of the lock tongue around the rotating shaft is provided.

Through adopting above-mentioned technical scheme, the setting of first inclined plane and second inclined plane makes things convenient for the sliding door to close the in-process, utilizes the slide wedge cooperation of two, and then drives the one end perk of spring bolt trip to make trip and draw-in groove cooperation after reset under the elasticity effect of elasticity reset piece.

Furthermore, the elastic resetting piece is positioned between the chute and the clamping hook, and a connecting hole for connecting the elastic resetting piece is formed in the cavity.

Through adopting above-mentioned technical scheme, elastic restoring member position sets up, is favorable to it to exert the effort that keeps down to the spring bolt, and its spring restoring member is stretched simultaneously when the spring bolt is along spout displacement to hiding the position to exert the effort towards joint position to the spring bolt, and then make the extension foot laminate all the time in the left side of rotation axis, maintain the steadiness of the hiding the position of spring bolt, avoid the sliding door to pop out in the accident of spring bolt in the collision, improve the security.

Further, the elastic restoring member is a tension spring.

Through adopting above-mentioned technical scheme, extension spring simple structure, elasticity is stable, can effectively provide the elasticity restoring force after the spring bolt displacement.

Further, the operating handle comprises a grip and a key disc which are positioned at two opposite sides of the sliding door, and the grip and the key disc are respectively connected at two ends of the rotating shaft.

Through adopting above-mentioned technical scheme, the setting of handle is convenient for the user and adjusts the spring bolt and stretch out from the inboard of sliding door, and the setting of key dish is convenient for the personnel to rotate from the outside rotation axis of adjusting of sliding door.

Further, the length of the extension leg is the same as the length from the axis of the rotary shaft to the bottom surface of the lock tongue.

Through adopting above-mentioned technical scheme, this length setting can utilize to extend foot and lug butt when the spring bolt is in hidden position or joint position, and then the spring bolt of restriction is along spout horizontal slip, and then improves the stability of spring bolt when hiding position or joint position greatly.

Furthermore, the side surface of the sliding door is provided with an opening communicated with the cavity, and the clamping hook correspondingly moves in the opening.

Through adopting above-mentioned technical scheme, the setting of open-ended convenience spring bolt makes trip follow sliding door side stretch out after the displacement, and then the convenience is with the lock between the draw-in groove.

Compared with the prior art, the utility model has the advantages that:

1. According to the sliding door lock, the lock tongue can be hidden in the cavity of the sliding door after the rotating shaft rotates, and after the rotating shaft rotates, the lock tongue can extend out of the sliding door and then be buckled with the clamping groove on the other sliding door or the door frame, so that the lock tongue is conveniently hidden in the cavity through the operating handle when the sliding door moves, the clamping hook is prevented from being exposed, the risk of collision damage caused by the exposure of the clamping hook can be reduced, meanwhile, when the sliding door is opened and used in a daily mode, the lock tongue can be hidden in the cavity through the operating handle, the risk that a person hangs on the clamping hook when moving is reduced, and the safety and convenience of the sliding door lock are greatly improved.

2. In this embodiment, articulated design between the extension foot on lug on the rotation axis and the spring bolt, one benefit lies in that the rotation of rotation axis can drive the spring bolt and rotate with the pivot of its tip, also can make the spring bolt remove in the spout through the pivot simultaneously, and the benefit of design lies in, when making things convenient for the trip of spring bolt and the unblock between the draw-in groove, the one end perk of the trip of synchronous spring bolt and to spout displacement action, and then accomplish the unblock of trip and draw-in groove fast, simultaneously when the spring bolt is in hidden position or joint position, also can utilize extension foot and lug to offset, and then restriction spring bolt along spout horizontal migration, stability when having improved the spring bolt in joint position and hidden position.

Drawings

FIG. 1 is a schematic view of a sliding door lock according to the present utility model;

FIG. 2 is a perspective view of the sliding door lock of FIG. 1 (with the locking bolt in the engaged position) according to the present utility model;

FIG. 3 is a schematic view of the latch mechanism of the present utility model;

fig. 4 is a schematic view of the latch mechanism of the present utility model (with the latch in a hidden position).

In the figure:

100 sliding doors, 110 sliding grooves, 120 clamping grooves, 121 first inclined planes and 130 connecting holes;

200 spring bolts, 210 rotating shafts, 220 clamping hooks, 221 second inclined planes and 230 extension pins;

300 resilient return, 310 key pad, 320 grip, 330 lugs.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

Referring to fig. 1 and 2, the sliding door lock includes a latch mechanism and a slot 120, which are generally disposed on adjacent sides of two sliding doors 100, or adjacent sides of the sliding doors 100 and a door frame, and when the sliding doors 100 slide, the latch mechanism is used to form a latch with the latch 220 of the latch mechanism and the other sliding door 100 or the slot 120 on the door frame, and then the latch mechanism is used to lock the sliding doors 100 and the sliding doors 100 or the sliding doors 100 and the door frame, so as to close the sliding doors 100, and the latch mechanism will be described in detail below by taking the example after the two sliding doors 100 are relatively attached in a sliding manner.

In this embodiment, the left and right directions are shown in fig. 1.

In this embodiment, referring to fig. 1, a cavity is provided in one sliding door 100 for setting a latch mechanism, another sliding door 100 is provided with a slot 120 corresponding to the latch mechanism, the latch mechanism includes a latch 200, a rotation shaft 210, an elastic reset member 300 and an operation handle, the inner wall of the cavity is provided with a sliding slot 110 along the sliding direction of the sliding door 100, (the sliding door 100 is generally horizontally sliding, so that the sliding slot 110 is generally horizontally arranged), one end of the latch 200 is provided with a rotation shaft 210, two rotation shafts 210 are correspondingly rotatably provided in the sliding slot 110, so that the latch 200 can rotate relative to the sliding slot 110 with the rotation shaft 210 as a central point and horizontally displace along the sliding slot 110, the other end of the latch 200 is provided with a hook 220, the hook 220 can extend out of the opening and then form a wedge fit with the slot 120, the latch is buckled, the rotation shaft 210 penetrates through the cavity and is provided with an operation handle on the surface of the sliding door 100 for operating the rotation shaft 210, the rotation shaft 210 is located at the lower end of the latch 200, the outer portion of the rotation shaft 210 is provided with a lug 330, the bottom surface of the sliding door 200 is provided with an extension pin 230, the lower end of the extension pin 230 and the upper end of the lug 330 is pivoted with the upper end of the lug 330 through a pin, the elastic reset member 300 is respectively fixed on the inner wall 200 and the two ends of the latch 200 are elastically displaced to provide a reset force.

In this embodiment, when the lock tongue 200 is needed to be used, the rotation shaft 210 can be driven to rotate by rotating the operation handle, in the process of rotating the rotation shaft 210, the lock tongue 200 can be driven to rotate to be a movable point by the lugs 330 and the extension pins 230, so as to move towards the left end or the right end of the sliding groove 110, when the rotation shaft 210 is located at the leftmost end of the sliding groove 110, the lock tongue 200 is hidden in the cavity, so that the hook 220 at the right end is also hidden in the cavity, at this time, the lock tongue 200 is located at a hidden position (refer to fig. 4), when the operation handle is rotated rightward, the lock tongue 200 moves in the cavity with the rotation shaft 210 as a movable point and enables the hook 220 to extend out of the hook, and when the rotation shaft 210 is located at the rightmost end of the sliding groove 110, the lock tongue 200 is located at a clamping position (refer to fig. 2), so that the hook 220 can be matched with the clamping groove 120 to lock the two sliding doors 100 when the two sliding doors 100 are relatively close.

In this embodiment, the sliding manner of the latch 200 in the chute 110 with the rotation shaft 210 in the rotation shaft 210 includes taking the rotation shaft 210 as a rotation point, one end of the hook 220 is tilted around the rotation shaft 210, and the rotation shaft 210 is displaced in the chute 110, and the movement of the latch 200 includes rotation and sliding synchronization, so that the advantage of this arrangement is that when the hook 220 and the slot 120 form a buckle, the hook 220 can be synchronously driven to tilt to disengage from the slot 120 by rotating the handle leftwards, and the latch 200 is moved into the cavity thereof, thereby simplifying the unlocking process.

In this embodiment, referring to fig. 2, when the lock tongue 200 is in the locking position, the lower end of the extending leg 230 abuts against the lug 330, which has the advantage that when the lock hook 220 is pressed leftwards by the outside, the extending leg 230 abuts against the lug 330 to limit the lock tongue 200 to slide along the chute 110 so as to keep the locking position of the lock tongue 200, which is convenient for locking with the lock hook 220 and the lock slot 120, and similarly, when the lock tongue 200 is in the hiding position, the extending leg 230 is limited by the lug 330 and cannot extend out of the cavity, so that the lock tongue 200 is also in the hiding position, and the structure stability of the lock tongue 200 in the cavity is ensured.

In this embodiment, the right end of the hook 220 is provided with a second inclined plane 221, the left side of the slot 120 is provided with a first inclined plane 121, when two sliding doors 100 are close to each other, the second inclined plane 221 of the lock tongue 200 presses the first inclined plane 121, and the two inclined planes are matched through a wedge, so that the guided hook 220 is tilted after rotating around the rotating shaft 210, and then when the first inclined plane 121 is contacted with the second inclined plane 221 to be separated from the second inclined plane, the hook 220 is pulled to be reset and lowered under the elastic reset action of the elastic reset piece 300, so as to realize locking and buckling between the hook 220 and the slot 120.

In this embodiment, the elastic restoring member 300 is a tension spring, which is disposed in a cavity between the rotating shaft 210 and the rotating shaft 210, a connecting hole 130 is disposed on the cavity, the lower end of the tension spring is correspondingly connected in the connecting hole 130, the upper end of the tension spring is connected to the lock tongue 200, the tension spring has the function of restoring the lock hook 220 when the lock hook 220 and the clamping groove 120 are lifted up, of course, the other function of the elastic restoring member 300 is that when a person adjusts the lock tongue 200 to the hidden position by operating the handle, the elastic restoring member 300 is stretched, elastic potential energy is stored, a horizontal component force is applied to the lock tongue 200 in the horizontal direction, and the lock tongue 200 is kept to have a rightward elastic force.

In the above embodiment, the elastic restoring member 300 is located at the lower end of the lock tongue 200, so long as the elastic restoring member 300 can provide the above effect, the elastic restoring member 300 may also be a spring, an elastic rope or other elastic components, and may also be a compression spring due to different setting positions, for example, when the elastic restoring member 300 is located at the upper end of the lock tongue 200, the above effect can also be achieved, and for different setting positions of the elastic restoring member 300, the direction of the elastic potential energy released is different, and may also be other elastic components or mechanisms, which will not be described herein.

In this embodiment, referring to fig. 3, the operating handle includes a grip 320 and a key pad 310 located at opposite sides of the sliding door, the grip 320 and the key pad 310 are respectively connected to two ends of the rotating shaft 210, the grip 320 is configured to facilitate a user to adjust the extension of the lock tongue 200 from the inner side of the sliding door 100, and the key pad 310 is configured to facilitate the user to adjust the rotation of the rotating shaft 210 from the outer side of the sliding door 100.

Based on the above embodiment, the length of the extension leg 230 is the same as the length between the axis of the rotation shaft 210 and the bottom surface of the lock tongue 200, and the length is set, so that when the lock tongue 200 is in the hiding position or the clamping position, the extension leg 230 is abutted with the lug 330, so that the limited lock tongue 200 slides horizontally along the chute 110, and further stability of the lock tongue 200 in the hiding position or the clamping position is greatly improved, although the length of the extension leg 230 can be larger or smaller than the length between the axis of the rotation shaft 210 and the bottom surface of the lock tongue 200, the above effect can be achieved, and the limited length of the extension leg is the same.

While the preferred embodiments of the present utility model have been described in detail, it is to be clearly understood that the same may be varied in many ways by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (7)

1. The utility model provides a sliding door lock, including establish the spring bolt mechanism on the sliding door and with spring bolt mechanism complex draw-in groove, the sliding door is inside to be equipped with to hold spring bolt mechanism's cavity, its characterized in that, the inner wall of cavity is followed the sliding direction of sliding door opens the spout, spring bolt mechanism includes:

The locking device comprises a sliding chute, a locking bolt, a locking groove and a locking groove, wherein one end of the locking bolt is rotatably connected in the sliding chute through a rotating shaft and can slide relatively along the sliding chute, and the other end of the locking bolt is provided with a locking hook which is clamped with the locking groove;

The rotary shaft is arranged at the lower end of the lock tongue, a lug is arranged on the rotary shaft, an extending foot pivoted with the lug is arranged on the lock tongue, the lock tongue is provided with a hidden position hidden in the cavity and a clamping position extending out of the cavity and clamped with the clamping groove, the rotary shaft rotates to drive the lock tongue to switch between the hidden position and the clamping position, and when the lock tongue is positioned at the hidden position or the clamping position, the extending foot abuts against the lug so as to limit the lock tongue to slide along the sliding groove;

The operating handle is positioned at the outer side of the sliding door and used for driving the rotating shaft to rotate;

The elastic reset piece elastically connects the lock tongue with the inner wall of the cavity so as to provide elastic reset force for the lock tongue after displacement.

2. The sliding door lock according to claim 1, wherein the clamping groove is provided with a first inclined surface, a second inclined surface is arranged at the end part of the clamping hook, and a wedge fit is formed between the first inclined surface and the second inclined surface, so that when the clamping hook is clamped to the clamping groove in a displacement manner, a rotating acting force of the lock tongue around the rotating shaft is provided.

3. A sliding door lock according to claim 1, wherein the elastic restoring member is located between the chute and the hook, and a connection hole for connecting the elastic restoring member is formed in the cavity.

4. A sliding door lock according to claim 3 wherein the resilient return member is a tension spring.

5. A sliding door lock according to claim 1, wherein the operating handle comprises a grip and a key pad on opposite sides of the sliding door, the grip and key pad being connected to opposite ends of the rotating shaft, respectively.

6. A sliding door lock according to claim 1, wherein the length of the extension leg is the same as the length between the axis of the rotation shaft and the bottom surface of the lock tongue.

7. A sliding door lock according to claim 1, wherein an opening communicating with the cavity is provided in a side surface of the sliding door, and the hook is correspondingly movable in the opening.