CN110881798A

CN110881798A - Anti-toppling drawer cabinet

Info

Publication number: CN110881798A
Application number: CN201811035151.5A
Authority: CN
Inventors: 杨伟
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-06
Filing date: 2018-09-06
Publication date: 2020-03-17

Abstract

An anti-toppling drawer cabinet comprises an outer shell, a plurality of layers of drawers vertically arranged and supported in the outer shell, and a drawer lock. A drawer lock is arranged on the outer shell behind each layer of drawers, and the drawer lock comprises a transmission shaft, a lock tongue and a deflector rod. When a certain layer of drawer is pulled out of the outer shell, the drawer lock locks all the other layers of drawers except the layer of drawer; when the tier drawer is replaced within the outer shell, the drawer lock unlocks all of the tier drawers except the tier drawer. The drawer cabinet ensures that only one drawer can be opened at the same time, and the overturning accident of the drawer cabinet caused by climbing of the drawer by underage is prevented.

Description

Anti-toppling drawer cabinet

Technical Field

The invention relates to a furniture safety protection device, in particular to an anti-toppling drawer cabinet.

Background

Along with the frequent falling events of the furniture, the life safety of people, especially children, is threatened, and the use safety problem of the furniture is more and more emphasized by people. In the using process, the furniture is influenced by external force, so that the gravity center of the furniture is unstable and topples over, and casualty accidents are frequent.

Disclosure of Invention

One object of the present invention is to devise an anti-tipping drawer cabinet.

Through designing a drawer lock device, realize once only can pulling out a drawer, avoid the drawer to pull out the number and lead to the fact and empty, perhaps a plurality of drawers that pull out stack together, thereby the minor climbs the drawer cabinet along the drawer and causes the accident. The invention considers that the minor is difficult to climb up along the drawer if only one drawer can be opened; the weight in the pulled-out single drawer is limited, the weight of the cabinet and the weight of the articles in other drawers are far larger than the weight of the articles in the single drawer, and the gravity center shift is difficult to cause to overturn the drawer cabinet. The invention recognizes that it is ensured that the drawer cabinet does not topple over if only one drawer can be opened.

The technical scheme provided by the invention is as follows:

an anti-toppling drawer cabinet comprises an outer shell, a plurality of layers of drawers vertically arranged and supported in the outer shell, and a drawer lock.

The bottom of each layer of drawer is provided with 2 layers of baffles; and a drawer lock is arranged at the rear of each layer of drawers and arranged on the outer shell. The drawer lock comprises a transmission shaft, a lock tongue and a shift lever. The transmission shaft is vertical to the drawer; the bolt and the shift lever fixed on the transmission shaft can rotate in the horizontal direction by taking the transmission shaft as a center.

When a certain layer of drawer is pulled out of the outer shell, the drawer lock locks all the other layers of drawers except the layer of drawer; when the tier drawer is replaced within the outer shell, the drawer lock unlocks all of the tier drawers except the tier drawer. A shifting rod is arranged behind the layer drawer, lock tongues are arranged behind all the layer drawers except the layer drawer, and the lock tongues and the shifting rod are connected through a transmission shaft to form a drawer lock; except the layer of drawers, the baffles at the bottommost layer of the other layers of drawers are provided with through holes.

When the layer of drawers are put back into the outer shell, the deflector rod is parallel to the bottommost baffle of the layer of drawers.

When the layer of drawers are pulled out of the outer shell, the deflector rod rotates in the horizontal direction by taking the transmission shaft as a center under the action of the return spring, and the transmission shaft drives the lock tongues arranged behind all the layers of drawers except the layer of drawers to rotate in the rotating process; the bolt is inserted into a through hole arranged on the baffle plate at the bottommost layer of the drawer at the layer where the bolt is positioned in the rotating process, so that all other layers of drawers except the layer of drawers are locked.

When the layer of drawers are put back into the outer shell, the deflector rod rotates in the horizontal direction by taking the transmission shaft as a center under the pressure action of the bottommost baffle of the layer of drawers, and the transmission shaft drives the lock tongues inserted behind all the layers of drawers except the layer of drawers to rotate in the rotating process; the bolt is pulled out from the through hole of the baffle plate at the bottommost layer of the drawer at the layer where the bolt is positioned in the rotating process, so that all other layers of drawers except the layer of drawers are unlocked.

Furthermore, under the natural state that a return spring of the drawer lock is not under the action of external force, the included angle between the deflector rod and the bottom baffle of the drawer is 45 degrees.

Furthermore, the lock tongue of the drawer lock consists of a straight edge and an arc, the arc is arranged on a circumference which takes the straight edge as a radius and takes the transmission shaft as a circle center, and the length of the arc is equal to one quarter of the circumference; the distance between the 2 layers of baffle plates at the bottom of the drawer is slightly larger than the length of the straight edge of the lock tongue.

The innovation points of the invention are as follows:

the drawer lock device can lock all other drawers when a certain drawer is pulled out.

The invention has the beneficial effects that:

1. the invention solves the problem of furniture toppling prevention, does not need any additional device, avoids the problem of wall damage when furniture is installed, is beneficial to the flexible change of furniture position, can effectively save occupied space, and is more suitable for families.

2. According to the drawer interlocking system, all the drawers are mutually restricted, so that only one drawer can be opened at a single time, the interlocking among the drawers is realized, the problem of furniture toppling caused by simultaneous opening of a plurality of drawers is avoided, and the use safety of the furniture is ensured.

3. Because only one drawer can be opened at a time, the consequence that an underage climbs upwards along the steps formed by a plurality of opened drawers to cause falling off from the drawer or overturning of the drawer cabinet is avoided.

Drawings

Fig. 1 is a schematic view of an overall structure of an anti-toppling drawer cabinet according to the present invention.

Fig. 2 is a schematic diagram of the position relationship and structure of the drawer lock according to the present invention.

Fig. 3 is a schematic view illustrating the operation of the drawer lock according to the present invention in which the latch bolt unlocks the drawer.

Fig. 4 is a schematic view illustrating the operation of the drawer lock according to the present invention in which the locking tongue locks the drawer.

Fig. 5 is a schematic view of the lever of the drawer non-triggering drawer lock according to the present invention.

Fig. 6 is a schematic view of the operation of the lever of the drawer trigger drawer lock according to the present invention.

Detailed Description

The present invention is further described in detail below with reference to the attached drawings so that those skilled in the art can implement the invention by referring to the description text.

Referring to fig. 1, the anti-toppling drawer cabinet comprises an outer shell (2), a plurality of layers of drawers (1) vertically arranged and supported inside the outer shell, and a drawer lock (3).

As shown in fig. 2, 3 and 5, 2 layers of baffles are arranged at the bottom of each layer of drawer (1), a drawer lock (3) is arranged at the rear of each layer of drawer (1), and the drawer lock (3) is arranged on the outer shell (2); n drawer locks (3) are required to be arranged on the N (N is a natural number) layers of drawers. The drawer lock (3) comprises a transmission shaft (20), a bolt (21) and a shift lever (22). The transmission shaft (20) is vertical to the drawer (1); the bolt (21) and the shift lever (22) fixed on the transmission shaft (20) can rotate in the horizontal direction by taking the transmission shaft (20) as a center.

As shown in fig. 2, the lever (22) is a trigger of the drawer lock (3), the latch (21) is a locking and unlocking device, and the transmission shaft (20) is a mechanical transmission device.

When a certain layer of drawer (1) is pulled out of the outer shell (2), the shifting lever (22) of the drawer (1) is triggered, the shifting lever (22) rotates in the horizontal direction to drive the transmission shaft (20) to rotate, and the transmission shaft (20) drives the lock tongues (21) behind all other layers of drawers except the drawer (1) to rotate, so that the drawer (1) is locked and unlocked.

As shown in fig. 6 and 4, when a certain layer of drawers (1) is pulled out of the outer shell (2), the drawer lock (3) locks all the other layers of drawers (1) except the layer of drawers (1); as shown in fig. 3 and 5, when the tier drawer (1) is placed back into the outer casing (2), the drawer lock (3) unlocks all the tier drawers (1) except for the tier drawer (1). A shifting rod (22) is arranged behind the layer drawer (1), locking tongues (21) are arranged behind all the layer drawers (1) except the layer drawer (1), and the locking tongues (21) and the shifting rod (22) are connected through a transmission shaft (20) to form a drawer lock (3); except the layer of drawers (1), through holes (11) are formed in the bottom baffle plates (10) of all the layers of drawers (1).

As shown in fig. 5, when the layer drawer (1) is put back into the outer casing (2), the deflector rod (22) is parallel to the bottommost baffle (10) of the layer drawer (1).

As shown in fig. 6 and 4, when the layer drawer (1) is pulled out of the outer shell (2), the shift lever (22) rotates around the transmission shaft (20) in the horizontal direction under the action of the return spring (not shown in the return spring diagram), and the transmission shaft (20) drives the lock tongues (21) arranged behind all the layer drawers except the layer drawer (1) to rotate in the rotating process; the bolt (21) is inserted into a through hole (11) arranged on the bottommost baffle (10) of the drawer (1) on the layer where the bolt (21) is positioned in the rotating process, so that all other drawers except the drawer (1) on the layer are locked.

As shown in fig. 5 and 3, when the layer drawer (1) is put back into the outer casing (2), the shift lever (22) rotates in the horizontal direction around the transmission shaft (20) under the pressure of the bottom baffle (10) of the layer drawer (1), and the transmission shaft (20) drives the locking tongues (21) inserted behind all the layer drawers except the layer drawer (1) to rotate in the rotating process; the bolt (21) is pulled out from the through hole (11) of the baffle (10) at the bottommost layer of the drawer (1) at the layer where the bolt (21) is positioned in the rotating process, so that all other layers of drawers except the layer of drawer (1) are unlocked.

Furthermore, under the natural state that a return spring of the drawer lock (3) is not under the action of external force, an included angle between the deflector rod (22) and the bottommost baffle (10) of the drawer (1) is 45 degrees. The 45-degree included angle determines that the transmission shaft (20) rotates by 45 degrees, so that the driving lever (22) can normally trigger the drawer lock (3), and meanwhile, the bolt (21) of the drawer lock (3) can be normally locked and unlocked.

Furthermore, the bolt (21) of the drawer lock (3) consists of a straight edge and an arc, the arc is arranged on the circumference which takes the straight edge as the radius and takes the transmission shaft (20) as the center of a circle, and the length of the arc is equal to one quarter of the circumference; the through holes (11) arranged on the baffle (10) at the bottommost layer of the drawer (1) are the smallest. The distance between the 2 layers of baffle plates at the bottom of the drawer (1) is slightly larger than the length of the straight edge of the bolt (21); the distance is too small, the bolt (21) is easy to contact the 2 nd layer baffle at the bottom of the drawer (1), so that the bolt (21) is damaged.

While embodiments of the invention have been described above, it is not limited to the applications set forth in the description and the embodiments, which are fully applicable in various fields of endeavor to which the invention pertains, and further modifications may readily be made by those skilled in the art, it being understood that the invention is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims

1. The utility model provides a prevent drawer cabinet that emptys, includes multilayer drawer (1) and drawer lock (3) that shell body (2) and inside vertical range supported, its characterized in that:

the bottom of each layer of drawer (1) is provided with 2 layers of baffles, the rear part of each layer of drawer (1) is provided with a drawer lock (3), and the drawer lock (3) is arranged on the outer shell (2); the drawer lock (3) comprises a transmission shaft (20), a bolt (21) and a deflector rod (22); the transmission shaft (20) is vertical to the drawer (1); a bolt (21) and a deflector rod (22) which are fixed on the transmission shaft (20) can rotate in the horizontal direction by taking the transmission shaft (20) as a center;

when a certain layer of drawer (1) is pulled out of the outer shell (2), the drawer lock (3) locks all the other layers of drawers (1) except the layer of drawer (1); when the layer drawer (1) is put back into the outer shell (2), the drawer lock (3) unlocks all the layer drawers (1) except the layer drawer (1); a shifting rod (22) is arranged behind the layer drawer (1), locking tongues (21) are arranged behind all the layer drawers (1) except the layer drawer (1), and the locking tongues (21) and the shifting rod (22) are connected through a transmission shaft (20) to form a drawer lock (3); through holes (11) are formed in the bottom baffles (10) of all the layers of drawers (1) except the layer of drawers (1);

when the layer drawer (1) is put back into the outer shell (2), the deflector rod (22) is parallel to the bottommost baffle (10) of the layer drawer (1);

when the layer drawer (1) is pulled out of the outer shell (2), the shifting rod (22) rotates in the horizontal direction by taking the transmission shaft (20) as a center under the action of the return spring, and the transmission shaft (20) drives the lock tongues (21) arranged behind all the layers of drawers except the layer drawer (1) to rotate in the rotating process; the bolt (21) is inserted into a through hole (11) arranged on a baffle plate (10) at the bottommost layer of the drawer (1) at the layer where the bolt (21) is positioned in the rotating process, so that all the drawers (1) at other layers except the drawer (1) at the layer are locked;

when the layer drawer (1) is put back into the outer shell (2), the deflector rod (22) rotates in the horizontal direction by taking the transmission shaft (20) as the center under the pressure action of the baffle (10) at the bottommost layer of the layer drawer (1), and the transmission shaft (20) drives the lock tongues (21) inserted behind all the layers of drawers except the layer drawer (1) to rotate in the rotating process; the bolt (21) is pulled out from the through hole (11) of the baffle (10) at the bottommost layer of the drawer (1) at the layer where the bolt (21) is positioned in the rotating process, so that all other layers of drawers except the layer of drawer (1) are unlocked.

2. The anti-toppling functional drawer cabinet according to claim 1, wherein: under the natural state that a return spring of the drawer lock (3) is not under the action of external force, an included angle between the deflector rod (22) and the bottommost baffle (10) of the drawer (1) is 45 degrees.

3. The anti-toppling functional drawer cabinet according to claim 1, wherein: the bolt (21) of the drawer lock (3) consists of a straight edge and an arc, the arc is arranged on a circumference which takes the straight edge as a radius and takes the transmission shaft (20) as a circle center, and the length of the arc is equal to one quarter of the circumference; the distance between the 2 layers of baffle plates at the bottom of the drawer (1) is slightly larger than the length of the straight edge of the bolt (21).