Anti-toppling hopper cabinet

Abstract

The invention discloses an anti-toppling drawer cabinet which comprises a cabinet body, a plurality of drawer units and a drawer interlocking module. A cabinet cavity is formed in the cabinet body, the front end of the cabinet cavity is a drawer containing area used for containing a plurality of drawer units, the rear end of the cabinet cavity is an interlocking installation area allowing a drawer interlocking module to be installed, and a stand column connected with a back plate of the cabinet body is arranged in the interlocking installation area. The drawer interlocking module comprises a lock groove rod, an elastic limiting unit, a plurality of spin lock assemblies and a plurality of lock pin bases. Each lock pin seat is correspondingly mounted at the rear end of one drawer unit; the locking groove rod is embedded into the side wall of the stand column, and a guide groove is formed in the outward face of the locking groove rod; the elastic limiting unit is mounted at the top of the outward surface, and a limiting end for elastically limiting the top of the guide groove is formed on the elastic limiting unit; and below the limiting end, the multiple spin lock assemblies are sequentially installed on the lock groove rod in an end-to-end abutting mode from top to bottom along the guide groove, the spin lock assembly at the uppermost end abuts against the limiting end, and each spin lock assembly corresponds to one lock pin base. According to the invention, the safety is improved.

Description

Technical Field

[0001] The invention relates to the technical field of drawers, and in particular to an anti-dumping drawer. Background Art

[0002] Furniture is an indispensable tool and facility for maintaining normal human life, engaging in production practice and carrying out social activities. Furniture has also been continuously developing and innovating with the progress of the times. It is rich in variety, various in style and different in function. It perfectly meets people's material needs and purposes of use, and is an important part of indoor and outdoor decoration. With the continuous progress of society and the continuous improvement of people's living standards, people's requirements for the quality of life are getting higher and higher. As a household item closely related to people's life and work, the performance of the chest of drawers will bring people different life feelings and moods, and will also directly have a positive or negative impact on people's quality of life and work efficiency.

[0003] In the existing chest of drawers, the drawers are all controlled individually, and the drawers are not restricted by each other, and the drawers can be opened at the same time. When several drawers are opened at the same time, the drawer is easy to tip over due to the increased load-bearing capacity of the drawers, which poses a great safety hazard to the elderly and children. In view of the above reasons, it is necessary to design an anti-tipping chest of drawers. Summary of the invention

[0004] The object of the present invention is to provide an anti-dumping drawer cabinet.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] An anti-dumping drawer cabinet comprises a cabinet body, a plurality of drawer units arranged on the cabinet body, and a drawer interlocking module arranged in the cabinet body for controlling the drawer units;

[0007] The cabinet body is formed with a cabinet cavity, the front end of the cabinet cavity is a drawer receiving area for accommodating a plurality of drawer units, the rear end of the cabinet cavity is an interlocking installation area for loading drawer interlocking modules, and a column connected to the back plate of the cabinet body is provided in the interlocking installation area;

[0008] The drawer interlocking module comprises a lock slot rod, an elastic limiting unit, a plurality of rotary lock assemblies and a plurality of lock pin seats; each lock pin seat is correspondingly installed at the rear end of a drawer unit, the lock pin seat is formed with an extension arm extending toward the column, and a lock pin is provided at the end of the extension arm; the lock slot rod is embedded in the side wall of the column facing the lock pin seat, and a guide slot extending from the top to the bottom is opened on the outer surface of the lock slot rod; the elastic limiting unit is installed at the top of the outer surface, and the elastic limiting unit is formed with a limiting end that elastically limits the top of the guide slot; below the limiting end of the elastic limiting unit, a plurality of rotary lock assemblies are installed on the lock slot rod from top to bottom along the guide slot in sequence, and the uppermost rotary lock assembly abuts against the limiting end of the elastic limiting unit. Each rotary lock assembly corresponds to a lock pin seat, which is used to control the drawer unit, and can interlock the remaining drawer units after any drawer unit is pulled out.

[0009] As a further technical solution of the present invention: the rotary lock assembly comprises an upper slide bar and a lower slide bar which are inserted into the guide groove one above the other, the bottom of the upper slide bar is connected to a pressure block on the outside, the top of the lower slide bar is rotatably connected to a rotary lock rotating plate on the outside with a pin shaft, the top of the rotary lock rotating plate is sequentially recessed with an oblique swing pressure port and a vertical swing pressure port from front to back, the spacing between the oblique swing pressure port and the pin shaft is greater than the spacing between the vertical swing pressure port and the pin shaft, and a latching pin strip opening which is parallel to the central axis of the vertical swing pressure port and the pin shaft is formed at the bottom of the rotary lock rotating plate in the area between the oblique swing pressure port and the vertical swing pressure port;

[0010] The pressing block is engaged with the oblique swing pressure port or the vertical swing pressure port; a gap is formed between the upper slide bar and the lower slide bar, and the size of the gap increases with the rotation of the rotary lock rotating plate when the pressing block switches from engaging with the vertical swing pressure port to engaging with the oblique swing pressure port; after the gap of any rotary lock component increases, the limiting end of the elastic limiting unit is pushed up and compressed, and the compressed limiting end limits several rotary lock components to achieve interlocking.

[0011] As a further technical solution of the present invention: when the pressure block is engaged with the oblique swing pressure port, the latch strip mouth swings out toward the drawer unit to facilitate the insertion of the lock pin of the lock pin seat, and as the pressure block switches from engaging with the oblique swing pressure port to engaging with the vertical swing pressure port, the lock pin of the lock pin seat is engaged into the latch strip mouth, so that the gap of the rotary lock assembly becomes smaller, and the limit end of the elastic limit unit pops out and resets, thereby releasing the limit on several rotary lock assemblies and releasing the interlocking.

[0012] As a further technical solution of the present invention: the elastic limiting unit includes a fixed cover that is detachably installed on the top facing the outside, a limiting slider that is inserted into the guide groove below the fixed cover, and a spring member or damper that is arranged between the fixed cover and the limiting slider. The spring member or damper drives the limiting slider to resist the uppermost rotary lock component, and compresses the limit after the gap of any rotary lock component increases.

[0013] As a further technical solution of the present invention: a bottom cover is installed at the bottom of the lock slot rod, and the bottom cover is formed with a fixing block penetrating into the guide slot, and the fixing block abuts against the rotary lock assembly located at the lowermost end.

[0014] As a further technical solution of the present invention: the drawer unit includes a drawer body and two slide rails arranged on both sides of the drawer body, each slide rail connects the inner wall of the cabinet on one side of the drawer receiving area with the bottom edge of the drawer body on the same side.

[0015] As a further technical solution of the present invention: the lock pin seat is connected to the rear end of the drawer body, and a handle is provided at the front end of the drawer body to facilitate pushing and pulling the drawer body.

[0016] As a further technical solution of the present invention: a foot frame is installed at the bottom of the cabinet.

[0017] As a further technical solution of the present invention: the outer surface of the cabinet and the drawer surface of the drawer body are both covered with leather.

[0018] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention proposes an anti-dumping drawer cabinet which controls each drawer unit through the cooperation among the cabinet body, a plurality of drawer units and a drawer interlocking module, thereby effectively preventing the risk of the cabinet body tipping over due to opening a plurality of load-bearing drawer units at the same time, thereby improving safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is the front view of the anti-tip chest of drawers.

[0020] Figure 2 Schematic diagram of the cabinet cavity of the anti-tip cabinet.

[0021] Figure 3 This is the installation diagram of the lock pin seat at the rear end of the drawer unit.

[0022] Figure 4 A schematic diagram of the lock pin seat.

[0023] Figure 5 It is a schematic diagram of the elastic limiting unit, several rotary lock components and the bottom cover being installed on the lock slot rod.

[0024] Figure 6 It is a schematic diagram of the elastic limiting unit, several rotary lock components and the bottom cover being disassembled from the lock slot rod. DETAILED DESCRIPTION

[0025] The specific implementation of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the present invention, and is not used to limit the protection scope of the present invention.

[0026] See also Figure 1 , Figure 2 , Figure 3 and Figure 5 , an anti-dumping drawer cabinet, comprising a cabinet body 10, a plurality of drawer units 20 arranged on the cabinet body 10, and a drawer interlocking module 30 arranged in the cabinet body 10 for controlling the drawer units 20;

[0027] The cabinet body 10 is formed with a cabinet cavity 11, the front end of the cabinet cavity 11 is a drawer receiving area 111 for accommodating a plurality of drawer units 20, the rear end of the cabinet cavity 11 is an interlocking installation area 112 for installing the drawer interlocking module 30, and a column 12 connected to the back plate of the cabinet body 10 is provided in the interlocking installation area 112;

[0028] See also Figure 5 , Figure 6 The drawer interlocking module 30 includes a lock slot rod 31, an elastic limiting unit 32, a plurality of rotary lock components 33 and a plurality of lock pin seats 34; Figure 3 , Figure 4 The lock pin seat 34 is provided with an extension arm 341 extending toward the column 12, and a lock pin 342 is provided at the end of the extension arm 341; the lock slot rod 31 is embedded in the side wall of the column 12 toward the lock pin seat 34, and a guide slot 311 extending from the top to the bottom is provided on the outer side 301 of the lock slot rod 31; the elastic limiting unit 32 is installed at the top of the outer side 301, and the elastic limiting unit 32 is formed with a limiting end 302 that elastically limits the top of the guide slot 311; below the limiting end 302 of the elastic limiting unit 32, a plurality of rotary lock assemblies 33 are installed on the lock slot rod 31 along the guide slot 311 from top to bottom in sequence, and the uppermost rotary lock assembly 33 abuts against the limiting end 302 of the elastic limiting unit 32, and each rotary lock assembly 33 corresponds to a lock pin seat 34;

[0029] The rotary lock assembly 33 includes an upper slide bar 331 and a lower slide bar 332 which are inserted into the guide groove 311 one above and one below. The bottom of the upper slide bar 331 is connected to a pressure block 333 outside the outer surface 301, and the top of the lower slide bar 332 is rotatably connected to a rotary lock rotating plate 335 outside the outer surface 301 via a pin shaft 334. The top of the rotary lock rotating plate 335 is sequentially recessed with an oblique swing pressure port 3351 and a vertical swing pressure port 3352 from front to back. The spacing between the oblique swing pressure port 3351 and the pin shaft 334 is larger than the spacing between the vertical swing pressure port 3352 and the pin shaft 334. The bottom of the rotary lock rotating plate 335 is formed with a latching strip port 3353 which is parallel to the central axis of the vertical swing pressure port 3352 and the pin shaft 334 in the area between the oblique swing pressure port 3351 and the vertical swing pressure port 3352.

[0030] The pressing block 333 is engaged with the oblique swing pressure port 3351 or the vertical swing pressure port 3352, so that a gap is formed between the upper slide bar 331 and the lower slide bar 332, and the size of the gap increases as the rotary lock rotating plate 335 rotates, when the pressing block 333 switches from engaging with the vertical swing pressure port 3352 to engaging with the oblique swing pressure port 3351; after the gap of any rotary lock component 33 increases, the limiting end 302 of the elastic limiting unit 32 is pushed up and compressed, and the compressed limiting end 302 limits the position of several rotary lock components 33 to achieve interlocking. When the pressure block 333 is engaged with the oblique swing pressure port 3351, the latch strip opening 3353 swings out toward the drawer unit 20 to facilitate the insertion of the lock pin 342 of the lock pin seat 34, and as the pressure block 333 switches from engaging with the oblique swing pressure port 3351 to engaging with the vertical swing pressure port 3352, the lock pin 342 of the lock pin seat 34 is engaged with the latch strip opening 3353, so that the gap of the rotary lock assembly 33 becomes smaller, and the limit end 302 of the elastic limit unit 32 pops out and resets, releasing the limit of the plurality of rotary lock assemblies 33 and releasing the interlocking.

[0031] Furthermore, in this embodiment, the elastic limiting unit 32 includes a fixed cover 321 detachably mounted on the top of the outer side 301, a limiting slider 322 inserted into the guide groove 311 below the fixed cover 321, and a spring member 323 or a damper arranged between the fixed cover 321 and the limiting slider 322, so that the spring member 323 or the damper drives the limiting slider 322 to abut against the uppermost rotary lock component 33, and as the gap of any rotary lock component 33 increases, the limit is compressed.

[0032] Furthermore, in this embodiment, a bottom cover 303 is installed at the bottom of the lock slot rod 31 , and the bottom cover 303 is formed with a fixing block 3031 penetrating into the guide slot 311 , and the fixing block 3031 abuts against the rotary lock assembly 33 located at the lower end.

[0033] Furthermore, in this embodiment, the drawer unit 20 includes a drawer body 21 and two slide rails 22 relatively arranged on both sides of the drawer body 21, and each slide rail 22 connects the inner wall of the cabinet 10 located on one side of the drawer receiving area 111 with the bottom edge of the drawer body 21 on the same side.

[0034] Furthermore, in the present embodiment, the locking pin seat 34 is connected to the rear end of the drawer body 21 , and a handle 211 is provided at the front end of the drawer body 21 to facilitate pushing and pulling of the drawer body 21 .

[0035] Furthermore, in this embodiment, a foot frame 13 is installed at the bottom of the cabinet 10 .

[0036] Furthermore, in this embodiment, the outer surface of the cabinet body 10 and the drawer surface of the drawer body 21 are both covered with leather.

[0037] When the drawer unit 20 is pulled out of the cabinet 10, the lock pin 342 of the lock pin seat 34 at the rear end of each drawer unit 20 is engaged with the corresponding lock pin strip opening 3353 of the rotary lock assembly 33, and the pressure block 333 on the upper slide 331 of each rotary lock assembly 33 is engaged with the vertical swing pressure opening 3352 of the rotary lock rotating plate 335 on the slide 332, so that the pressure block 333, the vertical swing pressure opening 3352 and the pin shaft 334 are in a straight line; and when any drawer unit 20 is pulled out of the cabinet 10, the lock pin seat 34 of the drawer unit 20 abuts against the corresponding lock pin strip opening 3353 of the rotary lock assembly 33 with the lock pin 342, driving the rotary lock rotating plate 335 to rotate, and the pressure block 333 switches from being engaged with the vertical swing pressure opening 3352 to being engaged with the oblique swing pressure opening 3351 is engaged, so that when the drawer unit 20 is pulled out, the gap between the upper slide bar 331 and the lower slide bar 332 of the rotary lock assembly 33 is increased, and under the linkage of the multiple rotary lock assemblies 33 that are abutted end to end, the limit end 302 of the elastic limit unit 32 is pushed up and compressed, and the compressed limit end 302 limits the multiple rotary lock assemblies 33 to achieve interlocking, so that the remaining drawer units 20 cannot be pulled out. When other drawer units 20 are to be opened, the opened drawer unit 20 must be closed before the other drawer units 20 can be opened. In other words, only one drawer unit 20 can be opened, and two or more drawer units 20 cannot be opened at the same time, thereby effectively avoiding the opening of multiple drawer units 20 and preventing the risk of the cabinet 10 tipping over due to the simultaneous opening of multiple drawer units 20, thereby improving safety.

[0038] In summary, the anti-tipping drawer cabinet of the present invention controls the drawer units 20 in conjunction with each other through the cooperation between the cabinet body 10, a plurality of drawer units 20 and a drawer interlocking module 30, thereby effectively preventing the risk of the cabinet body 10 tipping over due to opening a plurality of load-bearing drawer units 20 at the same time, thereby improving safety.

[0039] As long as it does not violate the creative ideas of the present invention, any combination of the various embodiments of the present invention shall be regarded as the contents disclosed by the present invention; within the technical concept of the present invention, any combination of various simple modifications of the technical scheme and different embodiments that does not violate the creative ideas of the present invention shall be within the protection scope of the present invention.

Claims

1. An anti-dumping drawer cabinet, characterized in that: It comprises a cabinet (10), a plurality of drawer units (20) arranged on the cabinet (10), and a drawer interlocking module (30) arranged in the cabinet (10) and used for controlling the drawer units (20); The cabinet body (10) is formed with a cabinet cavity (11), the front end of the cabinet cavity (11) is a drawer receiving area (111) for accommodating a plurality of drawer units (20), the rear end of the cabinet cavity (11) is an interlocking installation area (112) for installing a drawer interlocking module (30), and a column (12) connected to a back plate of the cabinet body (10) is provided in the interlocking installation area (112); The drawer interlocking module (30) comprises a lock slot rod (31), an elastic limiting unit (32), a plurality of rotary lock components (33) and a plurality of lock pin seats (34); each lock pin seat (34) is correspondingly mounted on the rear end of a drawer unit (20); the lock pin seat (34) is formed with an extension arm (341) extending toward the column (12); a lock pin (342) is provided at the end of the extension arm (341); the lock slot rod (31) is embedded in the side wall of the column (12) facing the lock pin seat (34); a guide slot (311) extending from the top to the bottom is provided on the outer side (301) of the lock slot rod (31); the elastic limiting unit (32) is mounted to the drawer unit (20); Towards the top of the outside (301), the elastic limiting unit (32) is formed with a limiting end (302) that elastically limits the top of the guide groove (311); below the limiting end (302) of the elastic limiting unit (32), a plurality of rotary lock components (33) are sequentially mounted on the lock groove rod (31) along the guide groove (311) from top to bottom, with the end to end abutting against each other, and the uppermost rotary lock component (33) abuts against the limiting end (302) of the elastic limiting unit (32), and each rotary lock component (33) corresponds to a lock pin seat (34) for controlling the drawer unit (20), so that after any drawer unit (20) is pulled out, the remaining drawer units (20) can be interlocked.

2. The anti-dumping drawer cabinet according to claim 1, characterized in that: The rotary lock assembly (33) comprises an upper slide bar (331) and a lower slide bar (332) which are arranged in a top and a bottom and pass through the guide groove (311). The bottom of the upper slide bar (331) is connected to a pressing block (333) outside the outer surface (301). The top of the lower slide bar (332) is rotatably connected to a rotary lock rotating plate (335) outside the outer surface (301) by a pin shaft (334). The top of the rotary lock rotating plate (335) is concavely provided with inclined swing plates from front to back. The spacing between the pressure port (3351) and the vertical swing pressure port (3352), and between the oblique swing pressure port (3351) and the pin shaft (334) is greater than the spacing between the vertical swing pressure port (3352) and the pin shaft (334); a latching strip opening (3353) parallel to the central axis of the vertical swing pressure port (3352) and the pin shaft (334) is formed at the bottom of the rotary lock rotating plate (335) in the area between the oblique swing pressure port (3351) and the vertical swing pressure port (3352); The pressing block (333) is engaged with the oblique swing pressure port (3351) or the vertical swing pressure port (3352); a gap is formed between the upper slide bar (331) and the lower slide bar (332), and the size of the gap increases as the rotary lock rotating plate (335) rotates, and when the pressing block (333) switches from engaging with the vertical swing pressure port (3352) to engaging with the oblique swing pressure port (3351); after the gap of any rotary lock component (33) increases, the limiting end (302) of the elastic limiting unit (32) is pushed up and compressed, and the compressed limiting end (302) limits the plurality of rotary lock components (33) to achieve interlocking.

3. The anti-dumping drawer cabinet according to claim 2, characterized in that: When the pressure block (333) is engaged with the oblique pressure opening (3351), the latch strip opening (3353) swings out toward the drawer unit (20) to facilitate the insertion of the lock pin (342) of the lock pin seat (34). As the pressure block (333) switches from engaging with the oblique pressure opening (3351) to engaging with the vertical pressure opening (3352), the lock pin (342) of the lock pin seat (34) is engaged with the latch strip opening (3353), so that the gap of the rotary lock assembly (33) becomes smaller, and the limit end (302) of the elastic limit unit (32) pops out and resets, thereby releasing the limit of the plurality of rotary lock assemblies (33) and releasing the interlocking.

4. The anti-dumping drawer cabinet according to claim 2, characterized in that: The elastic limiting unit (32) comprises a fixed cover (321) detachably mounted on the top of the outer side (301), a limiting slider (322) inserted into the guide groove (311) below the fixed cover (321), and a spring member (323) or a damper arranged between the fixed cover (321) and the limiting slider (322), wherein the spring member (323) or the damper drives the limiting slider (322) to abut against the uppermost rotary lock component (33), and when the gap of any rotary lock component (33) increases, the limiting slider (322) is compressed and limited.

5. The anti-dumping drawer cabinet according to claim 1, characterized in that: A bottom cover (303) is installed at the bottom of the lock slot rod (31), and the bottom cover (303) is formed with a fixing block (3031) that penetrates into the guide slot (311), and the fixing block (3031) abuts against the rotary lock assembly (33) located at the lowermost end.

6. The anti-tipping drawer cabinet according to claim 1, characterized in that: The drawer unit (20) comprises a drawer body (21) and two slide rails (22) arranged on both sides of the drawer body (21), each slide rail (22) connecting the inner wall of the cabinet (10) located on one side of the drawer receiving area (111) with the bottom edge of the drawer body (21) on the same side.

7. The anti-dumping drawer cabinet according to claim 6, characterized in that: The locking pin seat (34) is connected to the rear end of the drawer body (21), and a handle (211) is provided at the front end of the drawer body (21) to facilitate pushing and pulling of the drawer body (21).

8. The anti-tipping drawer cabinet according to claim 1, characterized in that: A foot frame (13) is installed at the bottom of the cabinet (10).

9. The anti-dumping drawer cabinet according to claim 6, characterized in that: The outer surface of the cabinet (10) and the drawer surface of the drawer body (21) are both covered with leather.

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