Anti-toppling drawer cabinet with safety lock
阅读说明：本技术 一种带安全锁的防倾倒抽屉柜 (Anti-toppling drawer cabinet with safety lock ) 是由 杨伟 于 2018-09-06 设计创作，主要内容包括：一种带安全锁的防倾倒实用抽屉柜,包括外壳体及其内部竖直排列支撑的多层抽屉和抽屉锁。抽屉锁包含传动轴、锁舌和旋钮,传动轴垂直于抽屉,固定在传动轴上的锁舌能够以传动轴为中心水平方向旋转。外壳体上设置有旋钮,旋钮设置在未成年人无法接触和操作的高处。本发明的抽屉锁,不需要钥匙,可以方便的解锁和落锁抽屉,而且确保未成年无法开锁,从而防止未成人使用抽屉。(A falling-proof practical drawer cabinet with a safety lock comprises an outer shell, a plurality of layers of drawers vertically arranged and supported inside the outer shell, and a drawer lock. The drawer lock comprises a transmission shaft, a lock tongue and a knob, wherein the transmission shaft is perpendicular to the drawer, and the lock tongue fixed on the transmission shaft can rotate in the horizontal direction by taking the transmission shaft as a center. The outer shell is provided with a knob which is arranged at a high place where the juveniles cannot contact and operate. The drawer lock disclosed by the invention does not need a key, can conveniently unlock and lock the drawer, and can ensure that the drawer cannot be unlocked by underage, thereby preventing underage from using the drawer.)
1. The utility model provides a take anti-toppling drawer cabinet of safety lock, includes multilayer drawer (1) and drawer lock (2) that shell body (3) and inside vertical range supported, its characterized in that:
the bottom of the drawer (1) is provided with a circular ring (10); a drawer lock (2) is arranged at the rear of each drawer (1), and the drawer locks (2) are arranged on the outer shell (3);
the drawer lock (2) comprises a transmission shaft (20), a bolt (21) and a knob (31); the transmission shaft (20) is vertical to the drawer (1); the bolt (21) fixed on the transmission shaft (20) can rotate in the horizontal direction by taking the transmission shaft (20) as a center;
the outer shell (3) is provided with a knob (31), and the knob (31) is arranged at a high place which can not be contacted and operated by minors;
the transmission shaft (20) and the knob (31) are respectively arranged inside and outside the wall plate (30) of the outer shell (3); the wall plate (30) is provided with a through hole (301) for fixing the knob (31);
a bevel gear set is formed by a bevel gear (32) arranged on the knob (31) and a bevel gear (22) arranged on the transmission shaft (20); the rotary knob (31) drives the transmission shaft (20) to rotate through the bevel gear set, the transmission shaft (20) drives the lock tongue (21) to rotate, and the lock tongue (21) rotates to enter or pull out the circular ring (10) at the bottom of the drawer, so that the drawer (1) is locked and unlocked.
2. The anti-toppling drawer cabinet with the safety lock according to claim 1, is characterized in that:
the bolt (21) of the drawer lock (2) 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 center of a circle, and the length of the arc is equal to one quarter of the circumference.
3. The anti-toppling drawer cabinet with the safety lock according to claim 1, is characterized in that:
a delay spring (the delay spring is not shown) is arranged on the knob (31); when the drawer lock (2) is in a locked state, the delay spring is not stressed and is in a natural state; when the drawer is unlocked by rotating the knob (31), the delay spring is stressed to be in a pressing state, the delay spring starts to work to drive the knob (31) to rotate automatically, the delay spring is restored to a natural state, the delay time is over, and the knob (31) falls off automatically.
4. The anti-toppling drawer cabinet with the safety lock according to claims 1 and 3, is characterized in that:
the delay time of the delay spring arranged in the knob (31) is 5 minutes.
5. The anti-toppling drawer cabinet with the safety lock according to claim 1, is characterized in that:
a semicircular groove (33) is arranged on the back surface of the knob (31), and a cylinder (34) inserted in the groove is fixed on the outer shell (3).
6. The anti-toppling drawer cabinet with the safety lock according to claims 1 and 5, is characterized in that:
the wall plate (30) of the outer shell (3) is provided with a through hole (302) for fixing the cylinder (34); a plurality of through holes (301) for fixing the knob (31) and through holes (302) for fixing the cylinder (34) are arranged on the wall plate (30) of the outer shell (3) from the position with the height of 1.2 m to 1.7 m.
Technical Field
The invention relates to a furniture safety protection device, in particular to an anti-toppling drawer cabinet with a safety lock.
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.
The simplest and most direct method is to install a lock on the drawer cabinet, and the drawer cabinet cannot be opened by minors and cannot naturally topple over. If a mechanical lock is adopted, an adult has to carry the key with him, otherwise the adult can not open the drawer by himself; however, after people return home, the people are not generally used to carry keys with them, and have to find the keys everywhere to open the drawer, which brings inconvenience to life, the learning imitation ability of the minors is very strong, some children bear can unlock the drawer with the keys, and potential safety hazards are brought by opening the drawer with the keys placed by the adults. Although the electronic lock using body biometric identification technology such as password, fingerprint, retina, etc. can solve the above problems, the electronic lock itself is expensive, and the electronic lock is rarely used in a home unless it is a safe or an entrance lock.
Disclosure of Invention
One object of the present invention is to devise an anti-tipping drawer cabinet.
The invention designs a mechanical device of a drawer lock, which does not need a key, can conveniently unlock and lock a drawer and ensures that the drawer cannot be unlocked by underage.
Considering that the difference between the minor and the adult is the height difference, the drawer lock of the invention uses the knob to unlock and lock the drawer, and the knob is arranged at the high position where the minor can not contact and operate, thus ensuring that the minor can not unlock.
The technical scheme provided by the invention is as follows:
an anti-toppling drawer cabinet with a safety lock 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 drawer is provided with a circular ring. Drawer locks are arranged at the rear of the drawers and arranged on the outer shell.
The drawer lock comprises a transmission shaft, a lock tongue and a knob, wherein the transmission shaft is perpendicular to the drawer, and the lock tongue fixed on the transmission shaft can rotate in the horizontal direction by taking the transmission shaft as a center.
The outer shell is provided with a knob which is arranged at a high place where the juveniles cannot contact and operate.
The transmission shaft and the knob are respectively arranged inside and outside the wall plate of the outer shell. The wall plate is provided with a through hole for fixing the knob.
The bevel gear set is formed by the bevel gear arranged on the knob and the bevel gear arranged on the transmission shaft. The rotary knob drives the transmission shaft to rotate through the bevel gear set, the transmission shaft drives the lock tongue to rotate, and the lock tongue rotates to enter or pull out a circular ring at the bottom of the drawer, so that the drawer is locked and unlocked.
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 center of circle, and the length of the arc is equal to one quarter of the circumference.
Furthermore, a delay spring is arranged on the knob; when the drawer lock is in a locked state, the delay spring is not stressed and is in a natural state; when the drawer is unlocked by rotating the knob, the delay spring is stressed to be in a pressing state, the knob is driven to rotate automatically by starting to work, the delay spring is restored to a natural state, the delay time is over, and the knob is automatically locked.
Further, the delay time of the time delay spring arranged inside the knob is 5 minutes.
Furthermore, a semicircular groove is formed in the back of the knob, and a cylinder inserted into the groove is fixed on the outer shell.
Furthermore, the wall plate of the outer shell is provided with a through hole for fixing the cylinder; a plurality of through holes for fixing the knob and the cylinder are arranged on the wall plate of the outer shell from the position with the height of 1.2 m to 1.7 m.
The innovation points of the invention are as follows:
the drawer lock device uses a knob to replace a key, the knob is arranged at a high position, and minors cannot touch and operate the knob.
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. The drawer locking system is adopted, and the knob replaces a key to unlock and lock the drawer, so that the drawer locking system is convenient and quick. The drawer lock can be unlocked by people with height reaching a certain height, but not by people with keys, and is not anti-theft but is used for preventing minors from unlocking.
3. The drawer lock is adopted, and the time delay device is adopted, so that potential safety hazards caused by the fact that an adult forgets to lock the drawer are prevented.
Drawings
Fig. 1 is a schematic view of the overall structure of 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 illustrating the structure and operation of a knob and a driving shaft of the drawer lock according to the present invention.
FIG. 6 is a schematic diagram of the knob and its groove and cylinder configuration and position relationship according to the present invention.
In the figure: 1-drawer, 10 ring; 2-drawer lock, 20-transmission shaft, 21-lock tongue, 22-bevel gear; 3-outer shell, 30-wall, 31-knob, 32-bevel, 33-groove, 34-cylinder, 301-through hole, 302-through hole.
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 with the safety lock comprises an outer shell (3), a plurality of layers of drawers (1) vertically arranged and supported inside the outer shell, and a drawer lock (2).
As shown in figures 2 and 3, the bottom of the drawer (1) is provided with a circular ring (10). The rear of the drawer (1) is provided with a drawer lock (2), and the drawer lock (2) is arranged on the outer shell (3).
As shown in fig. 2, the drawer lock (2) includes a transmission shaft (20), a latch (21), and a knob (31); the transmission shaft (20) is vertical to the drawer (1); the bolt (21) 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. 5, the outer shell (3) is provided with a knob (31), and the knob (31) is arranged at a high position which can not be contacted and operated by minors.
The transmission shaft (20) and the knob (31) are respectively arranged inside and outside a wall plate (30) of the outer shell (3).
3, 4 and 5, a bevel gear (32) arranged on the knob (31) and a bevel gear (22) arranged on the transmission shaft (20) form a bevel gear set; the rotary knob (31) drives the transmission shaft (20) to rotate through the bevel gear set, the transmission shaft (20) drives the lock tongue (21) to rotate, and the lock tongue (21) rotates to enter or pull out the circular ring (10) at the bottom of the drawer, so that the drawer (1) is locked and unlocked.
Furthermore, as shown in fig. 2 and 3, the bolt (21) of the drawer lock (2) is composed of a straight edge and an arc, the arc is on a circumference which takes the straight edge as a radius and takes the transmission shaft (20) as a center, and the length of the arc is equal to a quarter of the circumference; the through holes (11) arranged on the baffle (10) at the bottommost layer of the drawer (1) are the smallest.
Furthermore, a delay spring (not shown) is arranged on the knob (31); when the drawer lock (2) is in a locked state, the delay spring is not stressed and is in a natural state; when the drawer is unlocked by rotating the knob (31), the delay spring is stressed to be in a pressing state, the delay spring starts to work to drive the knob (31) to rotate automatically, the delay spring is restored to a natural state, the delay time is over, and the knob (31) falls off automatically.
Considering that the existing household drawer is not provided with a drawer lock generally, adults generally have no habit of unlocking and locking when opening and closing the drawer, but have the habit of returning the drawer into the outer shell. According to the invention, a time delay device is added, a time delay spring drives the knob (31) to automatically rotate, and after the time delay is over, the knob (31) automatically falls down. If the delay time is over, the adult still uses the drawer, the pulled drawer cannot be sent back into the outer shell (3), and the adult can manually rotate the knob (31) to unlock the drawer, send the drawer back and then fall the lock.
Further, the delay time of the delay spring arranged inside the knob (31) is 5 minutes. Considering the drawer time for adults, 5 minutes is suitable.
Further, as shown in fig. 6, a semicircular groove 33 is formed in the back surface of the
Further, the wall plate (30) of the outer shell (3) is used for fixing the through hole (302) of the cylinder (34); a plurality of through holes (301) for fixing the knob (31) and through holes (302) for fixing the cylinder (34) are arranged on the wall plate (30) of the outer shell (3) from the position with the height of 1.2 m to 1.7 m. The through hole (301) and the through hole (302) are used for installing the drawer lock (2) device, and a user can set the actual height of the knob on the outer shell according to the actual heights of minors and adults in a family.
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.
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