CN218279068U

CN218279068U - Drawer cabinet

Info

Publication number: CN218279068U
Application number: CN202221840133.6U
Authority: CN
Inventors: 姚津津
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2022-07-15
Filing date: 2022-07-15
Publication date: 2023-01-13
Anticipated expiration: 2032-07-15

Abstract

The utility model discloses a drawer cabinet, which comprises a cabinet body (1); the drawer (2) can be drawn in and out of the cabinet body (1) from an opening at the front side of the cabinet body (1); the method is characterized in that: the drawer cabinet also comprises an elastic component (3) and a driving mechanism (4), wherein the elastic component (3) acts between the cabinet body (1) and the drawer (2) to enable the drawer (2) to always have a forward movement trend; the driving mechanism (4) is arranged at the rear part of the cabinet body (1), comprises a first base (41) and is arranged on the cabinet body (1); a reel (42) rotatably connected to the first base (41); a pull rope (43), the first end of which is wound on the winding drum (42), and the second end of which is in transmission connection with the drawer (2); and a driving member (44) having a power output shaft connected to the spool (42). Compared with the prior art, the utility model discloses a drawer cabinet has automatic switch door function and can not compress the storage space.

Description

Drawer cabinet

Technical Field

The utility model relates to a kitchen equipment technical field specifically indicates a drawer cabinet.

Background

The existing drawer is usually opened by a pull handle, and the pull handle is required to be arranged on a panel of the drawer. The handle structure has a bright handle protruding out of the panel, and the handle of the structure is easy to collide with people, especially children, has a safety hazard and can prevent the drawer panel from being cleaned. The hidden handle embedded in the panel is also a hidden handle, the groove is formed in the panel, the handle solves the safety problem, but the groove is required to be formed in the panel, the assembly efficiency is high, the hidden handle is inconvenient to clean, and the sanitation problem is easily caused.

In order to improve the use experience of users, the applicant develops a disinfection cabinet with an automatic door opening function, and specifically, the patent application number of the applicant's prior application is CN201710542388.1 (publication number is CN 107998430A).

However, the disinfection cabinet only has an automatic door opening function, and cannot be automatically closed, which is mainly related to the compact structure of the cabinet body, and it is difficult to add other mechanisms to achieve the function based on the original structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art's current situation, provide a drawer cabinet that has automatic switch door function and can not compress storage space.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a drawer cabinet, which comprises

A cabinet body, the front side of which is provided with an opening; and

the drawer can be drawn in and out of the cabinet body from an opening on the front side of the cabinet body;

the method is characterized in that: the drawer is characterized by also comprising an elastic component and a driving mechanism, wherein the elastic component acts between the cabinet body and the drawer and can enable the drawer to always have a forward movement trend;

the driving mechanism is arranged at the rear part of the cabinet body and comprises

The first base is arranged on the cabinet body;

the winding drum is rotatably connected to the first base;

the first end of the pull rope is wound on the winding drum, and the second end of the pull rope is in transmission connection with the drawer; and

and the power output shaft of the driving piece is connected with the winding drum and used for driving the winding drum to rotate so as to enable the stay cord to be wound on the winding drum or unwound from the winding drum.

In order to ensure the stability of the drawer, the elastic component is a gas spring.

In order to always make the drawer have the tendency of moving forwards, the gas spring comprises

The cylinder barrel is fixed relative to the cabinet body; and

the air ejector rod always has the trend of extending outwards from the cylinder barrel to move forwards, and the front end of the air ejector rod is fixed relative to the drawer.

In order to facilitate the installation of the cylinder barrel and the air ejection rod, the bottom of the cylinder barrel is installed on the inner wall of the cabinet body through a bottom plate, the front end of the air ejection rod is connected with an installation seat, and the installation seat is installed at the bottom of the drawer.

In order to support the drawer, the cylinder barrel is provided with a support piece supporting the bottom of the drawer.

In order to ensure the smooth movement of the drawer, the supporting piece is a roller wheel which is rotationally connected to the cylinder barrel.

In order to improve the supporting stability, the number of the supporting parts is at least two, and the supporting parts are arranged at intervals along the front-back direction.

In order to realize the suspension and locking of the drawer, the device also comprises a locking mechanism for locking and unlocking the rotating position of the winding drum.

In order to realize the locking and unlocking of the winding drum, the locking mechanism comprises a clutch and a clutch control piece, the clutch comprises a first clutch piece arranged on the winding drum and a second clutch piece which can have a clutch effect with the first clutch piece, and the output end of the clutch control piece is in transmission connection with the second clutch piece.

In order to realize the driving of the clutch controller to the second clutch piece, the clutch control piece comprises

The second base is arranged on the cabinet body;

the electromagnetic lock is arranged on the second base and is provided with a telescopic rod capable of stretching; and

and the transmission shaft can be arranged on the second base in a sliding manner along the axial direction, is circumferentially limited on the second base, is connected to the second clutch piece at a first end, and abuts against the end part of the telescopic rod at a second end.

Therefore, the telescopic rod of the electromagnetic lock is not stressed in the state of engagement of the clutch piece, and the service life can be prolonged.

In order to enable the second clutch piece to be automatically separated from the first clutch piece in the state that the telescopic rod is retracted, the clutch further comprises an elastic piece acting between the first clutch piece and the second clutch piece, so that the first clutch piece and the second clutch piece always have a mutually-separated trend.

In order to realize the circumferential limit of the transmission shaft on the second base, the cross section of the transmission shaft is polygonal.

In order to ensure the stability of the first clutch piece and the second clutch piece when engaged, the first clutch piece and the second clutch piece are jaw-type fluted discs capable of being engaged with each other.

In order to avoid the influence of the disinfection factors on the service life of the driving mechanism and the locking mechanism, the cabinet body comprises a shell and a liner arranged in the shell, a disinfection cavity is arranged in the liner, an interlayer is formed between the outer wall of the liner and the inner wall of the shell, the elastic assembly is arranged in the disinfection cavity, and the driving mechanism and the locking mechanism are arranged in the interlayer.

Compared with the prior art, the utility model has the advantages of: the drawer is driven by matching the elastic assembly with the pull rope wound on the winding drum, the pull rope is always kept in a tensioning state, when the door needs to be opened, the winding drum only needs to be driven through the driving piece to rotate forwards, so that the pull rope is unreeled from the winding drum, the drawer can slowly move forwards under the elastic action of the elastic assembly, when the door needs to be closed, the winding drum only needs to be driven through the driving piece to rotate backwards, so that the pull rope is wound on the winding drum, the drawer can slowly move backwards under the tensile action of the pull rope, automatic door opening and closing is achieved, the structure is compact, and the storage space in the cabinet cannot be compressed.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of a drawer cabinet according to the present invention;

FIG. 2 is a schematic perspective view of the drawer and spring assembly of FIG. 1;

FIG. 3 is a schematic perspective view of the drive mechanism 4 and the capture mechanism of FIG. 1;

fig. 4 is a longitudinal sectional view of fig. 3.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 4, the drawer cabinet of the present invention is a preferred embodiment. The drawer cabinet may be a cabinet, a disinfection cabinet, etc., and the disinfection cabinet is taken as an example for description below. The drawer cabinet comprises a cabinet body 1, a drawer 2, an elastic component 3, a driving mechanism 4 and a locking mechanism 5.

The cabinet body 1 comprises a shell 11 and an inner container 12 arranged in the shell 11, an interlayer 111 is formed between the outer wall of the inner container 12 and the inner wall of the shell 11, a disinfection cavity 121 is arranged in the inner container 12, and an opening is formed in the front side of the cabinet body 1. The elastic component 3 is arranged in the disinfection chamber 121, and the driving mechanism 4 and the locking mechanism 5 are both arranged at the rear part of the interlayer 111.

The number of the drawers 2 is two, and the drawers 2 are respectively arranged in the disinfection chamber 121 one above the other, and each drawer 2 can be drawn back and forth from the opening at the front side of the cabinet body 1 to enter and exit the disinfection chamber 121.

The elastic component 3 is a gas spring, the left side and the right side of each drawer 2 are respectively provided with a gas spring, and each gas spring comprises a cylinder 31 and a gas ejector rod 32. Specifically, the cylinder 31 extends in the front-rear direction, and the bottom thereof is mounted on the inner wall of the inner container 12 via a bottom plate 311; the gas ejector rod 32 is telescopically arranged in the cylinder 31 in a front-back manner and always tends to extend out of the cylinder 31 to move forwards, the front end of the gas ejector rod 32 is connected with a mounting seat 321, and the mounting seat 321 is mounted at the bottom of the drawer 2, so that the drawer 2 always tends to move forwards. In addition, the cylinder 31 is provided with at least two supporting members 312 spaced in the front-rear direction for supporting the bottom of the drawer 2, in this embodiment, each supporting member 312 is a roller, and the roller is rotatably connected to the cylinder 31, so as to reduce the friction force when the supporting members 312 and the drawer 2 move relatively, and facilitate the smooth movement of the drawer 2.

The driving mechanism 4 includes a first base 41, a reel 42, a pull cord 43, and a driving member 44. Specifically, the number of the first bases 41 is two, and the first bases are installed on the inner wall of the housing 11 at intervals; the reel 42 extends in the left-right direction, and the right end thereof is rotatably connected to the first base 41 on the right side; a first end of the pull rope 43 is wound on the winding drum 42, and a second end is connected with the rear end of the drawer 2; the driving member 44 is a motor, and is mounted on the first base 41 on the left side, and a power output shaft thereof is connected to a left end of the winding drum 42 for driving the winding drum 42 to rotate, so that the pulling rope 43 is wound on the winding drum 42 or unwound from the winding drum 42.

The capture mechanism 5 includes a clutch 51 and a clutch control member 52. Specifically, the clutch 51 includes a first clutch member 511, a second clutch member 512, and an elastic member 513, the first clutch member 511 being mounted on the right end of the spool 42; the second clutch 512 can be clutched with the first clutch 511, in this embodiment, the first clutch 511 and the second clutch 512 are jaw-type gear discs capable of meshing with each other; the elastic piece 513 is a spring, is positioned between the first clutch piece 511 and the second clutch piece 512, and two ends of the elastic piece are respectively abutted against the opposite surfaces of the first clutch piece 511 and the second clutch piece 512, so that the first clutch piece 511 and the second clutch piece 512 always have a tendency of being separated from each other; the clutch control member 52 includes a second base 521, an electromagnetic lock 521 and a transmission shaft 523, the second base 521 is mounted on the inner wall of the housing 11 and located at the right side of the clutch 51; an electromagnetic lock 522 attached to the second base 521 and having a telescopic bar 5221 capable of extending and retracting left and right; the transmission shaft 523 is slidably mounted on the second base 521 in a left-right direction, and has a square cross section, so that the transmission shaft is circumferentially limited on the second base 521, the left end of the transmission shaft 523 is connected to the second clutch 512, and the right end of the transmission shaft 523 abuts against the left end of the expansion link 5221. In the extended state of the expansion link 5221, the transmission shaft 523 can drive the second clutch 512 to move leftward toward the first clutch 511, so that the second clutch 512 is engaged with the first clutch 511, and the winding drum 42 is locked; in the retracted state of the extension bar 5221, the second clutch 512 moves rightward away from the first clutch 511 under the elastic force of the elastic member 513, so that the second clutch 512 and the first clutch 511 are disengaged, and the reel 42 is unlocked.

The working principle of the embodiment is as follows:

(1) Open/close door mode:

when the electronic control module sends a door opening instruction, the driving piece 44 is electrified and then rotates forwards to drive the winding drum 42 to rotate forwards, so that the pull rope 43 is unreeled from the winding drum 42, and the pull rope 43 is always kept in a tensioning state under the action of the elastic assembly 3, so that the drawer 2 slowly moves forwards under the action of the gas ejector rod 32 to realize automatic door opening;

when the electronic control module sends a door closing instruction, the driving piece 44 is powered on and then rotates reversely to drive the winding drum 42 to rotate reversely, so that the pull rope 43 is wound on the winding drum 42, and the pull rope 43 is always kept in a tensioning state under the action of the elastic assembly 3, so that the drawer 2 slowly moves backwards under the action of the pull rope 43 to realize automatic door closing;

(2) Hovering mode: when the drawer 2 reaches the preset door opening position, the electromagnetic lock 522 acts to push the transmission shaft 523 to move left so as to enable the second clutch member 512 to be meshed with the first clutch member 511, and the transmission shaft 523 cannot rotate, so that the drawer can be suspended at any position after the driving member 44 is powered off;

(3) Locking mode: in the disinfection cabinet, the electromagnetic lock 522 acts to push the transmission shaft 523 to move left in the disinfection process, so that the second clutch 512 is engaged with the first clutch 511, and the drawer 2 can not be opened.

Claims

1. A drawer cabinet, which comprises

A cabinet body (1) having an opening at the front side; and

the drawer (2) can be drawn from the opening at the front side of the cabinet body (1) to enter and exit the cabinet body (1);

the method is characterized in that: the drawer cabinet also comprises an elastic component (3) and a driving mechanism (4), wherein the elastic component (3) acts between the cabinet body (1) and the drawer (2) and can enable the drawer (2) to always have a forward movement trend;

the driving mechanism (4) is arranged at the rear part of the cabinet body (1) and comprises

A first base (41) mounted on the cabinet body (1);

a reel (42) rotatably connected to the first base (41);

a pull rope (43), wherein the first end of the pull rope is wound on the winding drum (42), and the second end of the pull rope is in transmission connection with the drawer (2); and

and the power output shaft of the driving piece (44) is connected with the winding drum (42) and is used for driving the winding drum (42) to rotate so as to wind the pulling rope (43) on the winding drum (42) or unwind the pulling rope from the winding drum (42).

2. The chest of drawers as defined in claim 1 wherein: the elastic component (3) is a gas spring.

3. The chest of drawers as defined in claim 2 wherein: the gas spring comprises

A cylinder (31) fixed to the cabinet (1); and

the air ejector rod (32) always extends out of the cylinder barrel (31) and tends to move forwards, and the front end of the air ejector rod is fixed relative to the drawer (2).

4. The chest of claim 3 wherein: the bottom of the cylinder barrel (31) is installed on the inner wall of the cabinet body (1) through a bottom plate (311), the front end of the air ejector rod (32) is connected with a mounting seat (321), and the mounting seat (321) is installed at the bottom of the drawer (2).

5. The chest of claim 3 wherein: the cylinder barrel (31) is provided with a supporting piece (312) which is supported at the bottom of the drawer (2).

6. The chest of claim 5 wherein: the supporting piece (312) is a roller which is rotationally connected to the cylinder barrel (31).

7. The chest of claim 5 wherein: the number of the supporting pieces (312) is at least two, and the supporting pieces are arranged at intervals along the front-back direction.

8. The chest of claims 1 to 7 wherein: the device also comprises a locking mechanism (5) for locking and unlocking the rotation position of the winding drum (42).

9. The chest of claim 8 wherein: the locking mechanism (5) comprises a clutch (51) and a clutch control member (52), the clutch (51) comprises a first clutch member (511) arranged on the winding drum (42) and a second clutch member (512) capable of having a clutch effect with the first clutch member (511), and the output end of the clutch control member (52) is in transmission connection with the second clutch member (512).

10. The chest of claim 9 wherein: the clutch control member (52) comprises

A second base (521) mounted on the cabinet (1);

an electromagnetic lock (522) attached to the second base (521) and having a telescopic rod (5221) that can be extended and retracted; and

and the transmission shaft (523) is arranged on the second base (521) in an axially sliding manner, is limited on the second base (521) in the circumferential direction, is connected to the second clutch piece (512) at a first end, and abuts against the end part of the expansion link (5221) at a second end.

11. The chest of claim 10 wherein: the clutch (51) also comprises an elastic part (513) acting between the first clutch part (511) and the second clutch part (512) so that the first clutch part (511) and the second clutch part (512) always have the tendency of mutually separating.

12. The chest of claim 10 wherein: the cross section of the transmission shaft (523) is polygonal.

13. The chest of claim 9 wherein: the first clutch piece (511) and the second clutch piece (512) are jaw-type fluted discs capable of being meshed with each other.

14. The chest of claim 8 wherein: the cabinet body (1) including shell (11) and locate inner bag (12) in shell (11), the inside of inner bag (12) has disinfection chamber (121), is formed with intermediate layer (111) between the outer wall of inner bag (12) and the inner wall of shell (11), elastic component (3) locate disinfection chamber (121) in, actuating mechanism (4) and lock position mechanism (5) all locate intermediate layer (111) in.