CN111631529A

CN111631529A - File cabinet with self-locking function

Info

Publication number: CN111631529A
Application number: CN202010319189.6A
Authority: CN
Inventors: 郜睿特; 郜丹睿; 马倩一
Original assignee: Beijing Huadu Jiamei Office Furniture Co ltd
Current assignee: Beijing Huadu Jiamei Office Furniture Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-09-08
Anticipated expiration: 2040-04-21
Also published as: CN111631529B

Abstract

The invention relates to a file cabinet with a self-locking function, belonging to the technical field of household, and the technical scheme is characterized in that the file cabinet with the self-locking function comprises a cabinet body and a drawer, wherein the drawer comprises a bottom plate and two opposite drawer side plates, the cabinet side plates are arranged at two sides of an opening of the cabinet body, a cabinet vertical plate is arranged at one side of the cabinet body opposite to the opening, the inboard at cabinet curb plate is provided with the slide, the filing cabinet still includes from the latch fitting and opens the piece, from the latch fitting including promoting piece and telescopic sleeve, promote one side that a piece fixed connection is close to cabinet curb plate at the drawer curb plate, the vertical setting of telescopic sleeve just is located one side that the cabinet curb plate is close to the cabinet riser, telescopic sleeve is scalable structure, telescopic sleeve is located one side that the cabinet curb plate is close to the cabinet riser, the terminal surface that promotes the piece and is close to the cabinet riser is the wedge, wedge top-down sets up to the lopsidedness that is close to the cabinet riser, can control the flexible of telescopic sleeve through opening the piece. The effect that the drawer is not easy to slide out of the cabinet body after the drawer is closed is achieved.

Description

File cabinet with self-locking function

Technical Field

The invention relates to the technical field of home furnishing, in particular to a file cabinet with a self-locking function.

Background

A filing cabinet is a cabinet for storing documents, etc. and is generally used in offices, file rooms, document rooms, storage rooms or personal study rooms, etc. people usually use the filing cabinet to store some articles such as papers, folders, file bags and books, etc.

The existing file cabinet can refer to the chinese patent with publication number CN201550887U, which discloses a file cabinet, comprising a cabinet body, a slide rail and a plurality of drawers, wherein the drawers are installed on the cabinet body through the slide rail, the lower part of the bottom drawer is provided with two anti-turnover pulleys, and the two anti-turnover pulleys are installed on two sides of the bottom edge of the bottom drawer panel. People pull out the drawer, can deposit article in the drawer, realized the function of accomodating office supplies, owing to support at the time of pulling out the occasionally pulley, can deposit more article in the end extraction, avoided the turnover of the filing cabinet that the end extraction overweight leads to completely spilling.

The above prior art solutions have the following drawbacks: the drawer and the cabinet body are slidably mounted on the cabinet body through the sliding rails, but when the file cabinet is moved, the drawer is easily separated from the cabinet body, so that articles in the drawer fall off, and inconvenience is brought to operation of people.

Disclosure of Invention

The invention aims to provide a file cabinet with a self-locking function, which has the effect that a drawer is not easy to slide out of the cabinet body after the drawer is closed.

The technical purpose of the invention is realized by the following technical scheme:

the utility model provides a filing cabinet with self-locking function, includes the cabinet body and drawer, and cabinet body one side is the opening form, and the drawer includes bottom plate and two relative drawer curb plates, and cabinet body open-ended both sides are the cabinet curb plate, and the cabinet body is the cabinet riser with one side that the opening form is relative, is provided with the slide in the inboard of cabinet curb plate, drawer and slide sliding fit, filing cabinet still includes from the latch fitting and opens the piece, and from the latch fitting including promoting piece and telescope tube, promote one side that piece fixed connection is close to the cabinet curb plate at the drawer curb plate, and the vertical setting of telescope tube just is located one side that the cabinet curb plate is close to the cabinet riser, and the telescope tube is scalable structure, and the telescope tube is located one side that the cabinet curb plate is close to the cabinet riser, and the terminal surface that promotes the piece and be close to the cabinet riser sets up to the lopsidedness.

By adopting the technical scheme, when the drawer is in a drawing-out state, the telescopic sleeve naturally extends along the vertical direction, when the drawer is pushed, the pushing block moves synchronously along with the drawer, the length of the telescopic sleeve in the vertical direction is gradually shortened while the telescopic sleeve slides along the wedge-shaped surface, when the drawer is in a completely closed state, the end part of the telescopic sleeve slides out of the wedge-shaped surface, and the telescopic sleeve is restored to the naturally extending state in the vertical direction; when the drawer needs to be pulled, the opening piece controls the telescopic sleeve to be shortened, so that the pushing block can penetrate through a gap between the end part of the telescopic sleeve and the slide way, and the drawer can slide relative to the cabinet body at the moment.

The present invention in a preferred example may be further configured to: the telescopic sleeve comprises a fixing rod and a sliding rod, the fixing rod is fixedly arranged on the inner side wall, close to the side plate, of the cabinet side plate and is vertically arranged, the sliding rod sleeve is arranged on the outer side of the fixing rod, the end portion, close to the fixing rod, of the sliding rod is fixedly connected with a receiving end, the end portion, close to the sliding rod, of the fixing rod is fixedly connected with a blocking end, and the receiving end can play a blocking role in the blocking end.

Through adopting above-mentioned technical scheme, the fixed rod plays the guide effect to the slip of slide bar, consequently makes the slide bar can only remove along vertical direction for the fixed rod, when promotion piece and slide bar butt, the slide bar is difficult for promoting the slip that the piece takes place the horizontal direction.

The present invention in a preferred example may be further configured to: one end of the sliding rod, which is far away from the fixed rod, is rotatably connected with a pulley.

Through adopting above-mentioned technical scheme, when the slide bar along promoting the piece butt, the pulley rolled on the wedge, because rolling friction's frictional force is less, consequently reduced the resistance when the drawer pushed into the cabinet body.

The present invention in a preferred example may be further configured to: the opening part comprises a lever and an elastic resetting part, one side of the side plate of the cabinet is close to the rotating shaft of the side plate of the drawer, the lever is rotationally connected with the rotating shaft, the lever comprises a lifting part and a pressing part, one side of the sliding rod is close to the abutting part of the fixedly connected with side plate of the cabinet, the end part of the lifting part is located below the abutting part, one side of the vertical plate of the cabinet is far away from the side plate of the cabinet, the sliding groove is penetrated out from the end part of the pressing part, the elastic resetting part is fixedly connected between the end part of the pressing part and the side plate of the cabinet, and the elastic resetting part.

By adopting the technical scheme, when the limiting effect of the telescopic sleeve on the pushing block needs to be relieved, a worker presses the pressing part, and due to the lever principle, the lifting part tilts and abuts against the abutting part, the lifting part drives the abutting part and the sliding rod to vertically move upwards, so that the distance between the sliding rod and the slideway is increased until the pushing block can penetrate between the sliding rod and the slideway, and at the moment, the drawer can be pulled out along the cabinet body; then the staff loosens and presses the splenium, and the portion of picking up moves to the below of butt portion and with butt portion separation under the reset action of elasticity piece that resets, has realized making the drawer natural state under have the auto-lock effect, only can be opened when pressing the splenium.

The present invention in a preferred example may be further configured to: elasticity resets and is the spring, and the spring sets up along vertical direction, and fixed connection can be dismantled with the cabinet curb plate respectively at the both ends of spring and the tip of pressing the splenium.

Through adopting above-mentioned technical scheme, the spring is convenient for draw materials and the cost is lower, and spring and cabinet curb plate and pressing the splenium all can dismantle fixed connection simultaneously, consequently conveniently change the spring for under the non-pressing state, spring force can make the portion of picking keep being located the state of butt portion below, make the portion of picking and butt portion be difficult for bumping, strengthen the spacing effect of telescope tube under the natural state to pushing the piece simultaneously.

The present invention in a preferred example may be further configured to: the length of the pressing part is longer than that of the lifting part.

Through adopting above-mentioned technical scheme, because the arm of force length of pressing the splenium is greater than the arm of force length of the portion of raising, therefore when the staff pressed the splenium, the lever was laborsaving, and the staff uses less power can promote butt portion to remove, has improved the operation convenience.

The present invention in a preferred example may be further configured to: the abutting part is hollow inside.

Through adopting above-mentioned technical scheme, butt portion inside cavity has consequently reduced the weight of butt portion, makes things convenient for the staff to press and presses the splenium and drive butt portion and slide bar removal.

The present invention in a preferred example may be further configured to: one side of keeping away from the cabinet riser at the sliding tray is provided with the sealed cowling, and the sealed cowling is along the direction of seting up that is on a parallel with the sliding tray and cabinet curb plate sliding connection, presses the inside wall butt of splenium and sealed cowling up end, and the sealed cowling can shelter from the sliding tray sealed cowling and can shelter from the sliding tray.

Through adopting above-mentioned technical scheme, the sealed cowling can shelter from the sliding tray, consequently makes external dust and piece be difficult for passing the sliding tray and enter into the internal of cabinet, and the sealed cowling shelters from the effect that has the decoration cabinet body in the sliding tray outside simultaneously.

The present invention in a preferred example may be further configured to: the self-locking piece and the opening piece are both arranged on one side of the side plate of the cabinet and the side plate of the drawer.

Through adopting above-mentioned technical scheme, from the latch fitting with open the unilateral setting between the cabinet body and drawer, consequently realized making things convenient for the function of staff's operation, make things convenient for the staff to pull out the drawer fast.

The present invention in a preferred example may be further configured to: an anti-collision pad is fixedly adhered to one side of the pushing block, which is far away from the vertical plate of the cabinet.

Through adopting above-mentioned technical scheme, other personnel push the piece and can take place the striking with flexible cover when not pressing the splenium and pulling the drawer, and the crashproof pad can make to push the piece and be difficult for taking place the rigidity collision with flexible cover, not only has the cushioning effect and has the effect of making an uproar.

In conclusion, the beneficial technical effects of the invention are as follows:

1. by adopting the structure of the self-locking piece and the opening piece, the function that the drawer is not easy to slide out of the cabinet body when being pushed into the cabinet body is realized;

2. the drawer is pushed into the cabinet body and is limited by adopting the structure of the wedge-shaped surface and the telescopic sleeve;

3. through the structure that adopts the sealed cowling, realized making things convenient for the staff to operate and difficult making the internal function of dust entering cabinet.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a three-dimensional schematic view of the position and configuration of the self-locking and opening members of FIG. 1, shown in relief between the drawer and the side panel of the cabinet;

FIG. 3 is a partial three-dimensional schematic view of the structure of the protruding locking and unlocking elements of FIG. 2;

fig. 4 is a partial sectional view illustrating an inner structure of the protruding fixing rod and the sliding rod of fig. 3;

FIG. 5 is a partial three-dimensional schematic view of FIG. 2 highlighting another perspective of the opener structure;

FIG. 6 is an enlarged schematic view of detail B of FIG. 5;

FIG. 7 is an enlarged schematic view of detail A of FIG. 1;

fig. 8 is a partial sectional view showing the inner structure of the sealing cap of fig. 7.

In the figure, 1, a cabinet body; 11. a cabinet vertical plate; 12. a cabinet side plate; 121. a slideway; 122. a sealing cover; 123. a sliding groove; 124. an accommodating chamber; 2. a drawer; 21. a base plate; 22. a drawer side plate; 221. a roller; 3. a self-locking member; 31. a pushing block; 311. a wedge-shaped surface; 32. a telescopic sleeve; 321. fixing the rod; 3211. a blocking end; 3212. connecting sheets; 322. a slide bar; 3221. a receiving end; 3222. an abutting portion; 3223. a pulley; 4. an opener; 41. a lever; 411. a raising section; 412. a pressing part; 413. a rotating shaft; 42. a spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, the file cabinet with the self-locking function disclosed by the invention comprises a cabinet body 1, a drawer 2, a self-locking piece 3 and an opening piece 4, wherein the cabinet body 1 is vertically arranged, the drawer 2 is connected in the cabinet body 1 in a sliding manner along the horizontal direction, the self-locking piece 3 is connected between the cabinet body 1 and the drawer 2, and the opening piece 4 is arranged between the side wall of the cabinet body 1 and the drawer 2. When drawer 2 pushed the cabinet body 1, open 4 with from 3 separation of locking part, can carry on spacingly from locking part 3 with drawer 2, make drawer 2 can't take out from the cabinet body 1, when the staff need pull out drawer 2, relieve from 3 limiting displacement to drawer 2 of locking part through opening 4, the staff can freely spur drawer 2 this moment, when the staff pushed drawer 2 into the cabinet body 1 in the transport cabinet body 1, drawer 2 was difficult for following the internal roll-off of cabinet body 1.

Referring to fig. 2 and 3, one side of the cabinet body 1 is open, one side of the cabinet body 1 opposite to the open is a cabinet vertical plate 11, two sides of the opening of the cabinet body 1 are cabinet side plates 12, a slide rail 121 matched with the drawer 2 is arranged on the inner side of each cabinet side plate 12, the horizontal section of each drawer side plate 22 is of a C-shaped structure, a containing cavity 124 is arranged inside each C-shaped structure, and the slide rail 121 is arranged in the containing cavity 124. The drawer 2 comprises a bottom plate 21 and two opposite drawer side plates 22, the two drawer side plates 22 are respectively and fixedly connected to two sides of the bottom plate 21, the bottom plate 21 and the drawer side plates 22 are perpendicular to each other, referring to fig. 3 again, the lower ends of the drawer side plates 22 are rotatably connected with rollers 221, and the rollers 221 are matched with the slide rails 121. From locking part 3 and opening 4 all set up in one side of cabinet curb plate 12 and drawer curb plate 22, from locking part 3 and opening 4 unilateral setting between the cabinet body 1 and drawer 2, consequently realized the function of making things convenient for the staff operation, make things convenient for the staff to pull out drawer 2 fast.

Referring to fig. 3, from latch fitting 3 including promoting piece 31 and telescopic sleeve 32, promote one side that 31 fixed connection is close to cabinet curb plate 12 at drawer curb plate 22, the vertical setting of telescopic sleeve 32 just is located one side that cabinet curb plate 12 is close to cabinet riser 11, telescopic sleeve 32 is the extending structure along vertical direction, telescopic sleeve 32 is located one side that cabinet curb plate 12 is close to cabinet riser 11, promote the level setting of piece 31, the up end that promotes piece 31 is wedge 311, wedge 311 top-down sets up to the lopsidedness that is close to cabinet riser 11, can control the flexible of telescopic sleeve 32 through opening 4. When the drawer 2 is in a drawing-out state, the telescopic sleeve 32 naturally extends along the vertical direction, when the drawer 2 is pushed, the pushing block 31 moves synchronously along with the drawer 2, the length of the telescopic sleeve 32 in the vertical direction is gradually shortened while the telescopic sleeve 32 slides along the wedge-shaped surface 311, when the drawer 2 is in a completely closed state, the end part of the telescopic sleeve 32 slides out of the wedge-shaped surface 311, and the telescopic sleeve 32 is restored to the naturally extending state in the vertical direction, because the side, far away from the cabinet vertical plate 11, of the wedge-shaped surface 311 is higher, the pushing block 31 cannot penetrate through the space between the telescopic sleeve 32 and the slide rail 121, so that the telescopic sleeve 32 has a blocking effect on the pushing block 31, and at the moment, a worker pulls the drawer 2 to pull the drawer 2 out of the cabinet body 1, so that the effect of locking the drawer 2 is achieved, and the opening piece 4 is always far away from the; when the drawer 2 needs to be pulled, the telescopic sleeve 32 is controlled to be shortened through the opening piece 4, so that the pushing block 31 can penetrate through the gap between the end part of the telescopic sleeve 32 and the slide rail 121, and the drawer 2 can slide relative to the cabinet 1.

The telescopic sleeve 32 can adopt a mode of extending or inserting and matching of the spring 42, in order to improve the stability of the sliding rod 322 when moving along the pushing block 31 and reduce the friction force between the sliding rod 322 and the pushing block 31, the invention adopts the second mode, referring to fig. 3 and 4, the telescopic sleeve 32 comprises a fixed rod 321 and the sliding rod 322, a connecting sheet 3212 is fixedly arranged on the inner side of the cabinet side plate 12, the fixed rod 321 is fixedly connected to the cabinet side plate 12 through the connecting sheet 3212 and is positioned in the accommodating cavity 124, the fixed rod 321 is vertically arranged, the sliding rod 322 is sleeved on the outer side of the fixed rod 321, a receiving end 3221 is fixedly connected to the end part of the sliding rod 322 close to the fixed rod 321, a blocking end 3211 is fixedly connected to the end part of the fixed rod 321 close to the sliding rod 322, and the receiving end 3221 can block. The fixing rod 321 guides the sliding of the sliding rod 322, so that the sliding rod 322 can only move in the vertical direction relative to the fixing rod 321, when the pushing block 31 abuts against the sliding rod 322, the sliding rod 322 is not easy to slide in the horizontal direction relative to the pushing block 31, and the receiving end 3221 can limit the blocking end 3211, so that the sliding rod 322 cannot be separated from the fixing rod 321.

In order to further reduce the friction between the sliding rod 322 and the pushing block 31, referring to fig. 4, a pulley 3223 is rotatably connected to one end of the sliding rod 322 far away from the fixing rod 321. When the sliding rod 322 abuts against the pushing block 31, the pulley 3223 rolls on the wedge surface 311, and the friction force of the rolling friction is small, so that the resistance when the drawer 2 is pushed into the cabinet 1 is reduced.

Referring to fig. 5 and 6, the opening member 4 includes a lever 41 and an elastic reset member, a rotating shaft 413 is fixedly connected to one side of the cabinet side plate 12 close to the drawer side plate 22, the lever 41 is rotatably connected to the rotating shaft 413, the lever 41 includes a lifting portion 411 and a pressing portion 412, an abutting portion 3222 is fixedly connected to one side of the sliding rod 322 close to the cabinet side plate 12, an end of the lifting portion 411 is located below the abutting portion 3222, a sliding groove 123 (see fig. 2) is formed in one side of the cabinet side plate 12 far away from the cabinet vertical plate 11, an end of the pressing portion 412 penetrates out of the sliding groove 123, the elastic reset member is fixedly connected between the end of the pressing portion 412 and the cabinet side plate 12, and the elastic reset member can reset the pressing portion 412 to. When the limiting effect of the telescopic sleeve 32 on the pushing block 31 needs to be removed, a worker presses the pressing part 412, and due to the lever principle, the lifting part 411 tilts and abuts against the abutting part 3222, the lifting part 411 drives the abutting part 3222 and the sliding rod 322 to vertically move upwards, so that the distance between the sliding rod 322 and the slideway 121 is increased until the pushing block 31 can penetrate between the sliding rod 322 and the slideway 121, and at the moment, the drawer 2 can be pulled out along the cabinet body 1; then, the operator releases the pressing portion 412, and the lifting portion 411 moves below the abutting portion 3222 under the resetting action of the elastic resetting piece and is separated from the abutting portion 3222, so that the drawer 2 has a self-locking effect in a natural state, and can be opened only when the pressing portion 412 is pressed.

Referring to fig. 5, the elastic restoring member is a spring 42, the spring 42 is disposed along a vertical direction, the spring 42 is located on an outer side wall of the pressing portion 412 far away from the raising portion 411, and two ends of the spring 42 are detachably and fixedly connected with the cabinet side plate 12 and an end of the pressing portion 412, respectively. The spring 42 is convenient to take materials and has lower cost, and meanwhile, the spring 42, the cabinet side plate 12 and the pressing portion 412 can be both detachably and fixedly connected, so that the spring 42 is convenient to replace, and in a non-pressing state, the elastic force of the spring 42 can enable the picking portion 411 to be kept in a state below the abutting portion 3222, so that the picking portion 411 and the abutting portion 3222 are not easy to collide.

Referring to fig. 5, in order to achieve the effect of facilitating the operation of the worker, the length of the pressing portion 412 adopted in the present invention is greater than the length of the lifting portion 411, and the length of the arm of force of the pressing portion 412 is greater than the length of the arm of force of the lifting portion 411, so that when the worker presses the pressing portion 412, the lever 41 is a labor-saving lever, and the worker can push the abutting portion 3222 to move with a small force, thereby improving the operation convenience. The abutting portion 3222 is hollow inside, and the abutting portion 3222 is hollow inside, so that the weight of the abutting portion 3222 is reduced, and a worker can press the pressing portion conveniently and drive the abutting portion 3222 and the sliding rod 322 to move.

The fixed crashproof pad that is equipped with that glues in one side that promotes piece 31 and keep away from cabinet riser 11, crashproof pad can adopt the rubber material. When other people do not press the pressing part 412 and pull the drawer 2, the pushing block 31 collides with the telescopic sleeve 32, and the anti-collision pad can prevent the pushing block 31 from rigidly colliding with the telescopic sleeve 32, so that the anti-collision pad has a buffering effect and a noise reduction effect.

Referring to fig. 7 and 8, a sealing cover 122 is disposed on a side of the sliding groove 123 away from the cabinet vertical plate 11, the sealing cover 122 is slidably connected to the cabinet side plate 12 along an opening direction parallel to the sliding groove 123, the pressing portion 412 abuts against an inner side wall of the sealing cover 122 near the upper end of the cabinet body 1, and the sealing cover 122 can shield the sliding groove 123. The sealing cover 122 can shield the sliding groove 123, so that external dust and debris are not easy to penetrate through the sliding groove 123 and enter the cabinet body 1, and meanwhile, the sealing cover 122 is shielded outside the sliding groove 123 to achieve the effect of decorating the cabinet body 1; for the convenience of further operation of the worker, a handle (not shown in the figure) may be fixedly disposed outside the sealing cover 122.

The implementation principle of the embodiment is as follows:

when a worker pushes the drawer 2, the telescopic sleeve 32 slides along the wedge-shaped surface 311, the sliding rod 322 moves relative to the fixing rod 321, so that the overall length of the telescopic sleeve 32 is gradually shortened, when the drawer 2 is in a completely closed state, the end part of the telescopic sleeve 32 slides out of the wedge-shaped surface 311, the telescopic sleeve 32 is restored to a naturally elongated state in the vertical direction, because the wedge-shaped surface 311 is higher at one side far away from the cabinet vertical plate 11, the push block 31 cannot pass through the space between the telescopic sleeve 32 and the slide rail 121, the telescopic sleeve 32 blocks the push block 31, the worker pulls the drawer 2 and cannot pull the drawer 2 out of the cabinet body 1, and when the worker carries the cabinet body 1, the drawer 2 cannot slide out of the cabinet body 1 easily; when the drawer 2 needs to be pulled out, the staff pulls the sealing cover 122, the end plate on the upper portion of the sealing cover 122 drives the pressing portion 412 to move, the pressing portion 412 compresses the spring 42, the end portion of the lever 41 far away from the lifting portion 411 drives the abutting portion 3222 to tilt, the sliding rod 322 moves along the fixing rod 321 at the moment, the whole length of the telescopic sleeve 32 is shortened until the pushing block 31 can slide from the gap between the sliding rod 322 and the slide rail 121, the staff can pull out the drawer 2 from the cabinet body 1 at the moment, then the staff releases the sealing cover 122, the pressing portion 412 resets under the elastic action of the spring 42, the sealing cover 122 shields the sliding groove 123, and external dust is prevented from entering the cabinet body 1.

The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.

Claims

1. The utility model provides a filing cabinet with self-locking function, including the cabinet body (1) and drawer (2), cabinet body (1) one side is the opening form, drawer (2) are including bottom plate (21) and two relative drawer curb plate (22), cabinet body (1) open-ended both sides are cabinet curb plate (12), cabinet body (1) is cabinet riser (11) with one side that the opening form is relative, inboard at cabinet curb plate (12) is provided with slide (121), drawer (2) and slide (121) sliding fit, its characterized in that: the filing cabinet still includes from latch fitting (3) and opening piece (4), from latch fitting (3) including promoting piece (31) and telescopic sleeve (32), promote one side that piece (31) fixed connection is close to cabinet curb plate (12) at drawer curb plate (22), telescopic sleeve (32) vertical setting just is located cabinet curb plate (12) and is close to one side of cabinet riser (11), telescopic sleeve (32) are extending structure, telescopic sleeve (32) are located one side that cabinet curb plate (12) are close to cabinet riser (11), the terminal surface that promotes piece (31) are close to cabinet riser (11) is wedge (311), wedge (311) top-down sets up to the lopsidedness that is close to cabinet riser (11), can control the flexible of telescopic sleeve (32) through opening piece (4).

2. The file cabinet with the self-locking function according to claim 1, characterized in that: the telescopic sleeve (32) comprises a fixing rod (321) and a sliding rod (322), the fixing rod (321) is fixedly arranged on the inner side wall, close to the drawing side plate (22), of the cabinet side plate (12) and is vertically arranged, the sliding rod (322) is sleeved on the outer side of the fixing rod (321), the end portion, close to the fixing rod (321), of the sliding rod (322) is fixedly connected with a bearing end (3221), the end portion, close to the sliding rod (322), of the fixing rod (321) is fixedly connected with a blocking end (3211), and the bearing end (3221) can play a blocking role in the blocking end (3211).

3. The file cabinet with the self-locking function according to claim 2, characterized in that: one end of the sliding rod (322) far away from the fixed rod (321) is rotatably connected with a pulley (3223).

4. The file cabinet with the self-locking function according to claim 3, wherein: opening member (4) include lever (41) and elasticity piece that resets, be close to one side fixedly connected with axis of rotation (413) of drawer curb plate (22) in cabinet curb plate (12), lever (41) rotate with axis of rotation (413) and be connected, lever (41) are including the portion of raising (411) and press portion (412), one side fixedly connected with butt portion (3222) that slide bar (322) are close to cabinet curb plate (12), the tip of the portion of raising (411) is located the below of butt portion (3222), sliding tray (123) have been seted up to one side of keeping away from cabinet riser (11) in cabinet curb plate (12), sliding tray (123) are worn out to the tip of pressing portion (412), elasticity piece fixed connection that resets is between the tip of pressing portion (412) and cabinet curb plate (12), elasticity piece can play the effect of resetting to pressing portion (412) for the rotation of cabinet curb plate (12).

5. The file cabinet with the self-locking function according to claim 4, wherein: the elastic reset piece is a spring (42), the spring (42) is arranged along the vertical direction, and two ends of the spring (42) are fixedly connected with the side plates (12) of the cabinet and the end parts of the pressing parts (412) respectively.

6. The file cabinet with the self-locking function according to claim 4, wherein: the length of the pressing part (412) is longer than that of the lifting part (411).

7. The file cabinet with the self-locking function according to claim 4, wherein: the abutting portion (3222) is hollow inside.

8. The file cabinet with the self-locking function according to claim 5, wherein: a sealing cover (122) is arranged on one side, away from the cabinet vertical plate (11), of the sliding groove (123), the sealing cover (122) is connected with the cabinet side plate (12) in a sliding mode along the opening direction parallel to the sliding groove (123), the pressing portion (412) is abutted to the inner side wall of the upper end of the sealing cover (122), and the sliding groove (123) can be shielded by the sealing cover (122).

9. The file cabinet with the self-locking function according to claim 1, characterized in that: the self-locking piece (3) and the opening piece (4) are both arranged on one side of the cabinet side plate (12) and one side of the drawer side plate (22).

10. The file cabinet with the self-locking function according to claim 1, characterized in that: an anti-collision pad is fixedly stuck on one side of the pushing block (31) far away from the cabinet vertical plate (11).