CN211722344U

CN211722344U - Lifting type file cabinet suitable for office

Info

Publication number: CN211722344U
Application number: CN201922043358.3U
Authority: CN
Inventors: 周云
Original assignee: Chengdu Tangde Furniture Co ltd
Current assignee: Chengdu Tangde Furniture Co ltd
Priority date: 2019-11-22
Filing date: 2019-11-22
Publication date: 2020-10-23
Anticipated expiration: 2029-11-22

Abstract

The utility model discloses an over-and-under type filing cabinet suitable for office, filing cabinet include the cabinet body and cabinet door, the cabinet body includes cabinet, lower cabinet and two lifting unit that set up in cabinet body both sides, lifting unit is used for going up and down to go up the cabinet, and lifting unit includes first pendulum rod, trace, actuating lever and drives actuating cylinder, first pendulum rod one end articulates at cabinet lateral wall down, and first pendulum rod other end articulates at last cabinet lateral wall, it sets up at cabinet lateral wall down to drive actuating cylinder, drives actuating cylinder output end and is connected with actuating lever one end, and the tip that the actuating lever was kept away from to trace one end and actuating lever is articulated, and the trace other end articulates at first pendulum rod middle part. Compared with the prior art, the lifting type file cabinet applicable to offices, provided by the technical scheme, is convenient for taking and placing upper files through the upper cabinet which is arranged to be lifted.

Description

Lifting type file cabinet suitable for office

Technical Field

The utility model relates to a filing cabinet specifically is an over-and-under type filing cabinet suitable for office.

Background

The file cabinet is a cabinet for placing files, data and the like, and is a common tool for offices. Due to the large quantity of office files and the limitation of the size of the office space, in order to fully utilize the office space, a multi-layer file cabinet is often used for storing the files, or a file placing space is increased by stacking a plurality of file cabinets, for example, a three-layer file cabinet is used or a single-layer file cabinet is stacked on the top of a two-layer file cabinet. Because the height of the common two-layer file cabinet is generally 180 cm, when the three-layer file cabinet is used or a single-layer file cabinet is stacked on the two-layer file cabinet, the height of the file cabinet on the uppermost layer exceeds the height of most people, the difficulty in taking and placing files is high, and the use is inconvenient.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome a plurality of filing cabinets of prior art and when stacking, the filing cabinet that is located the upper strata is too high, and inconvenient not enough during the use provides an over-and-under type filing cabinet suitable for office, through setting up the upper cabinet of liftable, the getting of the upper file of being convenient for is put.

The purpose of the utility model is mainly realized through the following technical scheme:

over-and-under type filing cabinet suitable for office, filing cabinet include the cabinet body and cabinet door, the cabinet body includes cabinet, lower cabinet and two lifting unit that set up in cabinet body both sides, lifting unit is used for going up and down to go up the cabinet, and lifting unit includes first pendulum rod, trace, actuating lever and drives actuating cylinder, first pendulum rod one end articulates at cabinet lateral wall down, and first pendulum rod other end articulates at last cabinet lateral wall, drive actuating cylinder setting cabinet lateral wall down, drive actuating cylinder output end portion and be connected with actuating lever one end, and the tip that the actuating lever was kept away from to trace one end and actuating lever is articulated, and the trace other end articulates at first pendulum rod middle part, it is W to go up cabinet lateral wall width, and the linear distance more than or equal to half W of first pendulum rod both ends pin joint on the horizontal direction under the initial.

Because the number of office files is large and the size of the office space is limited, in order to fully utilize the office space, a multilayer file cabinet is often used or the space for placing the files is increased by adopting a mode of stacking a plurality of file cabinets, because the height of a common two-layer file cabinet is generally 180 cm, when a three-layer file cabinet is used or a single-layer file cabinet is stacked on the two-layer file cabinet, the height of the file cabinet at the uppermost layer exceeds the height of most people, the difficulty in taking and placing the files is large, and the use is inconvenient. According to the technical scheme, the file cabinet is divided into an upper cabinet and a lower cabinet, a lifting assembly for lifting the upper cabinet is arranged, the upper cabinet is lifted by the lifting assembly, the upper cabinet is lowered to a certain height for use when the files are taken and placed, the upper cabinet is lifted and reset to the top of the upper cabinet when the upper cabinet is not used, and the storage space at the top of the upper cabinet is fully utilized; generally, an upper cabinet of a file cabinet needs to be moved down from the top and then needs to be moved down after being moved down in a staggered manner, the moving process is low in efficiency, the first swing rod is utilized to drive the upper cabinet to move down along an arc line swinging along the end part of the first swing rod in the technical scheme, the upper cabinet can simultaneously complete the operations of transverse movement and downward movement through one-time swinging of the swing rod, compared with two times of linear movement, the moving path along the arc line is shorter, the efficiency is higher, and the taking and placing of upper files are more convenient. The working principle of the lifting file cabinet applicable to offices provided by the technical scheme is as follows: the output end of the driving cylinder drives the driving rod to move, and one end of the driving rod, which is far away from the driving cylinder, drives the linkage rod to push the first oscillating bar to swing around the point where the first oscillating bar is hinged on the side wall of the lower cabinet, so that the point where the first oscillating bar is hinged on the side wall of the upper cabinet drives the upper cabinet to move downwards or upwards along the movement direction of the first oscillating bar; in the technical scheme, the pushing rod is utilized to push the middle hinge point of the first oscillating rod, and the first oscillating rod can swing up and down through various methods, for example, the upper hinge point of the first oscillating rod is arranged at the position, close to the opening end of the cabinet body, of the side wall of the upper cabinet, the lower hinge point is arranged at the position of the middle point of the side wall of the lower cabinet in the horizontal direction, the driving rod is horizontally arranged, the linkage rods are vertically arranged and are arranged at the positions between the first oscillating rod and the opening end of the cabinet body, the driving rod is pushed to enable the included angle between the driving rod and the linkage rods to be smaller, the first oscillating rod swings downwards; or set up on the first pendulum rod pin joint and be located last cabinet lateral wall horizontal direction midpoint position, lower pin joint is located the position that the cabinet lateral wall is close to cabinet body open end down, sets up actuating lever and trace at the position of keeping away from cabinet body open end one side at first pendulum rod, and trace is parallel to be close to parallel with first pendulum rod parallel under the initial condition, and the pulling actuating lever makes the contained angle grow of actuating lever and trace, and first pendulum rod downswing promotes the actuating lever and makes the trace reset, first pendulum rod upswing. It needs to be further explained that the action planes of the first swing link, the linkage rod and the driving rod are parallel to each other, and the action planes are parallel to the side wall of the file cabinet; the cabinet body front end opening among this technical scheme, the cabinet door setting is at the opening part, goes up the cabinet during initial condition and places at cabinet top down, and the cabinet body open end that this technical scheme pointed indicates cabinet body open-ended one end, is provided with the one end of cabinet door promptly.

Furthermore, the linkage rod consists of a first linkage rod, a second linkage rod and a third linkage rod which are sequentially hinged with each other, the end part of the first linkage rod is hinged in the middle of the first swing rod, and the end part of the third linkage rod is hinged with the end part of the driving rod far away from the driving cylinder; the lifting assembly further comprises a second swing rod and a third swing rod which are hinged with each other, the end part of the second swing rod is hinged with the middle part of the second linkage rod, the end part of the third swing rod is hinged on the side wall of the lower cabinet, and the middle part of the third swing rod is hinged with the middle part of the third linkage rod.

The technical scheme is that the linkage rods are a first linkage rod, a second linkage rod and a third linkage rod which are sequentially hinged, the third linkage rod is driven by the driving rod to drive the second linkage rod and the first linkage rod to move, the first linkage rod is used for driving the first oscillating rod to oscillate by taking a point of the first oscillating rod hinged to the side wall of the lower cabinet as a circle center, the linear motion of the output end of the driving motor is converted into the arc motion of the first oscillating rod through the cooperation of a plurality of connecting rods, and the first oscillating rod can realize the arc motion of nearly 180 degrees under the cooperation of the first linkage rod, the second linkage rod and the third linkage rod, so that the upper cabinet can move downwards to a lower position, and the taking and placing of upper files are facilitated; in addition, the technical scheme is provided with the second swing rod and the third swing rod, and the gravity of the upper cabinet in the up-and-down moving process is counteracted by utilizing the pulling force of the second swing rod and the third swing rod, so that the lifting assembly is reasonable in stress, more stable and reliable in structure, and convenient for taking and placing upper files. In the technical scheme, the first linkage rod, the second linkage rod, the third linkage rod, the second swing rod and the third swing rod form a scissor type linkage mechanism, and the first swing rod is driven by the motor to swing by taking a point of the first swing rod hinged on the side wall of the lower cabinet as a circle center. It should be noted that, in the technical scheme, the first linkage rod, the second linkage rod and the third linkage rod are sequentially hinged, one end of the first linkage rod, which is far away from the second linkage rod, is hinged in the middle of the first swing rod, and one end of the third linkage rod, which is far away from the second linkage rod, is hinged with one end of the driving rod, which is far away from the driving cylinder; one end of a second oscillating bar in the lifting assembly is hinged with one end of a third oscillating bar, one end of the second oscillating bar, which is far away from the third oscillating bar, is hinged with the middle part of a second linkage rod, one end of the third oscillating bar, which is far away from the second oscillating bar, is hinged with the side wall of the lower cabinet, and the middle part of the third oscillating bar is hinged with the middle part of a third linkage rod.

Furthermore, the lifting assembly further comprises a first spring and a second spring, one end of the first spring is connected with the first oscillating bar, the other end of the first spring is connected with the first linkage rod, one end of the second spring is connected with the first linkage rod, and the other end of the second spring is connected with the second oscillating bar.

This technical scheme sets up first spring and second spring, utilizes the pulling force of spring to offset the gravity that the cabinet reciprocated the in-process, makes the lifting unit atress reasonable, and the structure is more reliable and more stable, and the upper file of being convenient for is got and is put.

Furthermore, the length of the first swing rod is L, and the lengths of the first linkage rod, the second linkage rod and the third linkage rod are all greater than one half of L.

The first oscillating bar can realize arc motion of nearly 180 degrees under the coordination of the first linkage rod, the second linkage rod and the third linkage rod, but the length of the linkage rod can limit the lowest position which the first oscillating bar can reach, and when the linkage rod is too short, the first oscillating bar can stop oscillating due to the limitation of the length of the linkage rod when the first oscillating bar oscillates to a smaller angle; this technical scheme sets up first interlock pole, second interlock pole and third interlock pole length and is greater than the half of first pendulum rod length, makes first pendulum rod can realize being close 180 degrees arc motion, makes the upper cabinet can move down to lower position, the getting of upper file of being convenient for is put.

Further, the cabinet body both sides all are equipped with supporting component, supporting component includes supporting shoe, first bottom suspension strut and fourth pendulum rod, go up the supporting shoe and set up on the lateral wall of cabinet body open end, and first bottom suspension strut sets up on cabinet body lateral wall, is equipped with the second bottom suspension strut that extends to cabinet body open end direction in the one side that cabinet body lateral wall was kept away from to first bottom suspension strut, there is the clearance that supplies fourth pendulum rod pivoted between second bottom suspension strut and the cabinet body lateral wall, goes up one side that cabinet body lateral wall was kept away from to the supporting shoe and one side that second bottom suspension strut is close to cabinet body lateral wall and articulate with fourth pendulum rod both ends respectively, the fourth pendulum rod is the same with first pendulum rod shape and is parallel with first pendulum rod.

Because the file cabinet is generally made of steel, the quality is heavier after files are placed, the supporting component is arranged to be matched with the first swing rod to rotate by the fourth swing rod, and the supporting component supports the files during the movement of the upper cabinet, so that the device is reasonable in stress, more stable and reliable in structure and convenient for taking and placing the upper files. The action planes of the fourth swing rod and the first swing rod are parallel to each other, and the action planes are parallel to the side wall of the file cabinet. The open end of the cabinet body referred by the technical scheme is the open end of the cabinet body, namely the end provided with the cabinet door.

Furthermore, the end part of the fourth swing rod hinged with the second lower supporting block is provided with a limiting lug, an arc-shaped chute is arranged on one side, close to the side wall of the cabinet body, of the second lower supporting block, the limiting lug is in contact with the side wall of one end part of the arc-shaped chute in an initial state, and the limiting lug slides along the arc-shaped chute when the fourth swing rod rotates.

Because the first swing rod is controlled to stay at the target angle through the lifting assembly after rotating to the target angle, especially after the upper cabinet moves to the target height, the upper cabinet is positioned and supported through the lifting assembly, and the upper cabinet is easy to slide due to improper matching of the lifting assembly, the technical scheme is that the limiting lug and the arc-shaped chute which are matched with each other are arranged, when the fourth swing rod rotates, the limiting lug slides along the arc-shaped chute, when the first swing rod rotates to the target angle, the fourth swing rod drives the limiting lug to slide to be in contact with the end part at the other end of the arc-shaped chute, so that the limiting lug is supported and can not slide, the maximum sliding angle of the fourth swing rod is limited, namely the maximum angle which can be reached by the first swing rod, after the first swing rod rotates to the maximum reaching angle, the upper cabinet reaches the target position, the fourth swing rod limits the first swing rod and the file cabinet, and the fourth swing rod can also provide support for the upper cabinet, the upper cabinet is more stable after moving downwards, and the upper file is convenient to take and place.

Furthermore, one end of the first swing rod is hinged to the middle point of the edge of the top of the side wall of the upper cabinet, the other end of the first swing rod is hinged to the position, close to the opening end of the cabinet body, of the top of the side wall of the lower cabinet, the hinged position of the first swing rod on the side wall of the lower cabinet, the hinged position of the third swing rod on the side wall of the lower cabinet, the driving rod and the output shaft of the driving cylinder are sequentially arranged in the direction of being far away from the opening end of the cabinet body along the horizontal direction, and the axis of the driving rod.

According to the technical scheme, the first swing rod, the third swing rod, the driving rod and the driving cylinder are arranged at the relative positions with the cabinet body, so that the lifting assembly is reasonable in stress structure and reliable in structure.

To sum up, compared with the prior art, the utility model has the following beneficial effects:

1. the utility model divides the file cabinet into an upper cabinet and a lower cabinet, and is provided with a lifting component for lifting the upper cabinet, the upper cabinet is lifted by utilizing the lifting component, the upper cabinet is lowered to a certain height for convenient use when taking and placing files, the upper cabinet is lifted and reset to the top of the upper cabinet when not in use, and the storage space at the top of the upper cabinet is fully utilized; utilize first pendulum rod to drive the cabinet and move down along the wobbling pitch arc of first pendulum rod tip, the operation that the sideslip and move down can be accomplished simultaneously to a swing of pendulum rod just so that the cabinet, compares twice rectilinear movement, moves down the route shorter along the pitch arc, and efficiency is higher, more makes things convenient for getting of upper file to put.

2. The utility model discloses a cooperation of a plurality of connecting rods makes the linear motion of driving motor output turn into the pitch arc motion of first pendulum rod, and first pendulum rod can realize being close 180 degrees pitch arc motions under the cooperation of first connecting rod, second trace and third trace, makes the upper cabinet can move down to lower position, and the getting of the upper file of being convenient for is put.

3. The utility model discloses a set up supporting component, the spacing lug and the arc spout of mutually supporting, limited the biggest angle that first pendulum rod can reach, and provide the support to the upper cabinet, make the upper cabinet more stable after shifting down, be convenient for upper file get put.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:

FIG. 1 is a schematic view of a lift type filing cabinet suitable for use in an office;

FIG. 2 is a schematic diagram of a lift assembly for an office file cabinet;

FIG. 3 is a schematic structural view of a lift type file cabinet support assembly suitable for use in an office;

1-an upper cabinet, 2-a lower cabinet, 3-a first swing rod, 4-a first swing rod, 5-a second swing rod, 6-a third swing rod, 7-a driving rod, 8-a driving cylinder, 9-a second swing rod, 10-a third swing rod, 11-a first spring, 12-a second spring, 13-an upper supporting block, 14-a first lower supporting block, 15-a second lower supporting block, 16-a fourth swing rod, 17-a limiting lug, 18-an arc chute and 19-a cabinet door.

Detailed Description

To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.

Example 1:

as shown in fig. 1-3, the present embodiment provides a lift-type file cabinet suitable for use in offices, the file cabinet comprising a cabinet body and a cabinet door 19, the cabinet body comprises an upper cabinet 1, a lower cabinet 2 and two lifting components arranged at two sides of the cabinet body, the lifting components are used for lifting the upper cabinet 1, the lifting components comprise a first swing rod 3, a linkage rod, a driving rod 7 and a driving cylinder 8, one end of the first swing rod 3 is hinged on the side wall of the lower cabinet 2, the other end of the first swing rod 3 is hinged on the side wall of the upper cabinet 1, the driving cylinder 8 is arranged on the side wall of the lower cabinet 2, the end part of the output end of the driving cylinder 8 is connected with one end of the driving rod 7, one end of the linkage rod is hinged with the end part of the driving rod 7 far away from the driving rod 7, the other end of the linkage rod is hinged in the middle of the first swing rod 3, the width of the side wall of the upper cabinet 1 is W, and the linear distance of hinge points at two ends of the first swing rod 3 in the horizontal direction in the initial state is more than or equal to one half of W. The file cabinet body is divided into an upper cabinet and a lower cabinet, a lifting assembly for lifting the upper cabinet is arranged, the upper cabinet is lifted by the lifting assembly, the upper cabinet is lowered to a certain height for use when taking and placing files, the upper cabinet is lifted and reset to the top of the upper cabinet when not in use, and the storage space at the top of the upper cabinet is fully utilized; and the first swing rod in the lifting assembly drives the upper cabinet to move downwards along the arc line of the swing of the end part of the first swing rod, and the upper cabinet can simultaneously complete the operations of transverse movement and downward movement through one swing of the swing rod.

Preferably, the linkage rod consists of a first linkage rod 4, a second linkage rod 5 and a third linkage rod 6 which are sequentially hinged with each other, the end part of the first linkage rod 4 is hinged in the middle of the first swing rod 3, and the end part of the third linkage rod 6 is hinged with the end part of the driving rod 7 far away from the driving cylinder 8; the first linkage rod, the second linkage rod and the third linkage rod are matched with the first swing rod to realize arc motion of nearly 180 degrees, so that the upper cabinet can move downwards to a lower position, and the upper-layer files can be conveniently taken and placed; the lifting assembly further comprises a second swing rod 9 and a third swing rod 10 which are hinged with each other, the end portion of the second swing rod 9 is hinged with the middle portion of the second linkage rod 5, the end portion of the third swing rod 10 is hinged to the side wall of the lower cabinet 2, the middle portion of the third swing rod 10 is hinged with the middle portion of the third linkage rod 6, the lifting assembly further comprises a first spring 11 and a second spring 12, one end of the first spring 11 is connected with the first swing rod 3, the other end of the first spring 11 is connected with the first linkage rod 4, one end of the second spring 12 is connected with the first linkage rod 4, and the other end of the second spring 12 is connected with the second swing rod 9. The gravity of the upper cabinet in the up-and-down moving process is counteracted by the tension of the second swing rod, the third swing rod, the first spring and the second spring, so that the lifting assembly is reasonable in stress, and more stable and reliable in structure. Preferably, the length of the first swing link 3 is L, and the lengths of the first linkage rod 4, the second linkage rod 5 and the third linkage rod 6 are all greater than one-half of L. Preferably, two ends of the first spring 11 are respectively connected with one end of the first swing rod 3 hinged to the side wall of the upper cabinet 1 and one end of the first linkage rod 4 far away from the first swing rod 3, and two ends of the second spring 12 are respectively connected with one end of the first linkage rod 4 far away from the first swing rod 3 and one end of the second linkage rod 9 far away from the second linkage rod 5.

Preferably, support assemblies are arranged on two sides of the cabinet body, each support assembly comprises an upper support block 13, a first lower support block 14 and a fourth oscillating bar 16, the upper support block 13 is arranged on the side wall of the open end of the cabinet body, the first lower support block 14 is arranged on the side wall of the cabinet body, a second lower support block 15 extending towards the direction of the open end of the cabinet body is arranged on one side of the first lower support block 14 away from the side wall of the cabinet body, a gap for the fourth oscillating bar 16 to rotate is formed between the second lower support block 15 and the side wall of the cabinet body, one side of the upper support block 13 away from the side wall of the cabinet body and one side of the second lower support block 15 close to the side wall of the cabinet body are respectively hinged with two ends of the fourth oscillating bar 16, and the fourth oscillating bar 16 is the same as the; the end part of the fourth swing link 16 hinged with the second lower supporting block 15 is provided with a limiting lug 17, one side of the second lower supporting block 15 close to the side wall of the cabinet body is provided with an arc-shaped sliding groove 18, in an initial state, the limiting lug 17 is in contact with the side wall of one side end part of the arc-shaped sliding groove 18, and when the fourth swing link 16 rotates, the limiting lug 17 slides along the arc-shaped sliding groove 18. Through setting up supporting component, the spacing lug and the arc spout of mutually supporting, restricted the biggest angle that first pendulum rod can reach, and the fourth pendulum rod can provide the support to last cabinet, makes the last cabinet more stable after shifting down, is convenient for get of upper file and puts.

One end of the first swing rod 3 is hinged to the middle point of the edge of the top of the side wall of the upper cabinet 1, the other end of the first swing rod 3 is hinged to the position, close to the opening end of the cabinet body, of the top of the side wall of the lower cabinet 2, the hinged position of the first swing rod 3 on the side wall of the lower cabinet 2, the hinged position of the third swing rod 10 on the side wall of the lower cabinet 2, the driving rod 7 and the output shaft of the driving cylinder 8 are sequentially arranged in the direction of being away from the opening end of the cabinet body along the horizontal direction, and the axis of the driving rod 7 and. The relative positions of the first swing rod, the third swing rod, the driving rod and the driving cylinder and the file cabinet are further arranged, so that the lifting assembly is reasonable in stress structure and reliable in structure.

Preferably, the action planes of the first swing link 3, the fourth swing link 16, the first linkage link 4, the second linkage link 5, the third linkage link 6 and the driving rod 7 are parallel to each other, and the action planes are parallel to the side wall of the file cabinet.

In this embodiment, the first swing link 3 can approach to swing by 180 degrees by using the cooperation of the first swing link 3, the first linkage rod 4, the second linkage rod 5 and the third linkage rod 6 of the lifting assembly, so as to realize the up-and-down movement of the upper cabinet 1, because the upper cabinet 1 is made of steel and has heavy weight, and the stability of the upper cabinet 1 is kept in the swinging process, the second swing link 9, the third swing link 10, the first spring 11 and the second spring 12 are used for providing upward pulling force for the lifting assembly in the embodiment, so as to counteract the action of gravity, so that the lifting assembly is reasonably stressed, the structure is more stable and reliable, in addition, in order to ensure that the upper cabinet 1 can keep stable in the process of taking and placing documents after moving downwards, a supporting assembly is further arranged, the lowest height which the upper cabinet 1 can reach is limited by using the fourth swing link 16, the limiting bump 17 and the arc chute 18 which are matched with each other, and the fourth swing link, the stability of the upper cabinet 1 is improved, and documents can be conveniently taken and placed for a long time.

The working process of the lifting type file cabinet suitable for the office provided by the embodiment is as follows: 1. the output end of the driving cylinder 8 pushes the driving rod 7 to move along the axial direction of the driving cylinder, and the driving rod 7 drives the first linkage rod 4, the second linkage rod 5 and the third linkage rod 6 to move; 2. the third linkage rod 6 pushes the first swing rod 3 to swing downwards around a point where the first swing rod is hinged to the side wall of the lower cabinet, so that the upper cabinet 1 moves downwards around an arc line; 3. the fourth swing link 16 moves downwards along with the upper cabinet 1 to enable the limiting lug 17 to slide along the arc-shaped sliding groove 18; 4. the driving cylinder 8 stops moving, the first swing rod 3 stops rotating, meanwhile, the limiting lug 17 abuts against the top of the arc-shaped sliding groove 18, and at the moment, the upper cabinet 1 moves downwards to the target height of the opening end of the lower cabinet 2, so that the files can be taken and placed; 5. after the file is taken and placed, the output end of the driving cylinder 8 pulls the driving rod 7 to reset, and the driving rod 7 drives the first linkage rod 4, the second linkage rod 5 and the third linkage rod 6 to reset; 6. the third linkage rod 6 pulls the first swing rod 3 to swing upwards around the point where the first swing rod is hinged to the side wall of the lower cabinet, so that the upper cabinet 1 moves upwards around an arc line; 7. the fourth swing link 16 moves downwards along with the upper cabinet 1 to enable the limiting lug 17 to slide along the arc-shaped sliding groove 18; 5. the driving cylinder 8 stops moving, the first swing rod 3 stops rotating, meanwhile, the limiting lug 17 abuts against the top of the other end of the arc-shaped sliding groove 18, and at the moment, the upper cabinet 1 resets.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The lifting type file cabinet suitable for offices comprises a cabinet body and cabinet doors (19), and is characterized in that the cabinet body comprises an upper cabinet (1), a lower cabinet (2) and two lifting assemblies arranged on two sides of the cabinet body, the lifting assemblies are used for lifting the upper cabinet (1), each lifting assembly comprises a first swing rod (3), a linkage rod, a driving rod (7) and a driving cylinder (8), one end of each first swing rod (3) is hinged to the side wall of the lower cabinet (2), the other end of each first swing rod (3) is hinged to the side wall of the upper cabinet (1), the driving cylinder (8) is arranged on the side wall of the lower cabinet (2), the end part of the output end of the driving cylinder (8) is connected with one end of the driving rod (7), one end of the linkage rod is hinged to the end part, far away from the driving rod (7), of the other end of the linkage rod is hinged to the middle part of the first swing rod (3), the width, in the initial state, the linear distance of hinge points at two ends of the first swing rod (3) in the horizontal direction is more than or equal to one half W.

2. The liftable file cabinet suitable for offices according to claim 1, wherein the linkage rods are composed of a first linkage rod (4), a second linkage rod (5) and a third linkage rod (6) which are sequentially hinged to each other, the end of the first linkage rod (4) is hinged to the middle of the first swing rod (3), and the end of the third linkage rod (6) is hinged to the end of the driving rod (7) far away from the driving cylinder (8); the lifting assembly further comprises a second swing rod (9) and a third swing rod (10) which are hinged with each other, the end part of the second swing rod (9) is hinged with the middle part of the second linkage rod (5), the end part of the third swing rod (10) is hinged on the side wall of the lower cabinet (2), and the middle part of the third swing rod (10) is hinged with the middle part of the third linkage rod (6).

3. The liftable file cabinet suitable for offices of claim 2, wherein the lifting assembly further comprises a first spring (11) and a second spring (12), one end of the first spring (11) is connected to the first swing link (3), the other end of the first spring (11) is connected to the first link rod (4), one end of the second spring (12) is connected to the first link rod (4), and the other end of the second spring (12) is connected to the second swing link (9).

4. The liftable filing cabinet suitable for offices of claim 2, wherein the first swing link (3) has a length L, and the first linkage (4), the second linkage (5) and the third linkage (6) each have a length greater than one-half L.

5. The liftable file cabinet suitable for offices according to any of claims 1 to 4, the two sides of the cabinet body are respectively provided with a supporting component, the supporting components comprise an upper supporting block (13), a first lower supporting block (14) and a fourth swing rod (16), the upper supporting block (13) is arranged on the side wall of the open end of the cabinet body, the first lower supporting block (14) is arranged on the side wall of the cabinet body, a second lower supporting block (15) extending towards the direction of the opening end of the cabinet body is arranged on one side of the first lower supporting block (14) far away from the side wall of the cabinet body, a gap for the fourth swing rod (16) to rotate is arranged between the second lower supporting block (15) and the side wall of the cabinet body, one side of the upper supporting block (13) far away from the side wall of the cabinet body and one side of the second lower supporting block (15) close to the side wall of the cabinet body are respectively hinged with two ends of the fourth swing rod (16), the fourth swing rod (16) is the same as the first swing rod (3) in shape and is parallel to the first swing rod (3).

6. The liftable filing cabinet suitable for offices in accordance with claim 5, wherein the end of the fourth swing link (16) hinged to the second lower supporting block (15) is provided with a limiting protrusion (17), an arc-shaped sliding groove (18) is provided on the side of the second lower supporting block (15) close to the side wall of the cabinet body, in an initial state, the limiting protrusion (17) contacts with the side wall of one side end of the arc-shaped sliding groove (18), and the limiting protrusion (17) slides along the arc-shaped sliding groove (18) when the fourth swing link (16) rotates.

7. The liftable file cabinet suitable for offices according to claim 1, wherein one end of the first swing link (3) is hinged at the midpoint of the top edge of the side wall of the upper cabinet (1), the other end of the first swing link (3) is hinged at the position of the top of the side wall of the lower cabinet (2) close to the open end of the cabinet body, the hinged position of the side wall of the lower cabinet (2) of the first swing link (3), the hinged position of the side wall of the lower cabinet (2) of the third swing link (10), the driving rod (7) and the output shaft of the driving cylinder (8) are sequentially arranged in the direction away from the open end of the cabinet body along the horizontal direction, and the axis of the driving rod (7) and the axis of the output shaft of the driving cylinder (8) are on the.