CN107744256B

CN107744256B - Liftable desk

Info

Publication number: CN107744256B
Application number: CN201710954985.5A
Authority: CN
Inventors: 韩魁; 韩炜炜; 徐青; 孙希胜
Original assignee: Individual
Current assignee: Individual
Priority date: 2017-10-13
Filing date: 2017-10-13
Publication date: 2020-01-03
Anticipated expiration: 2037-10-13
Also published as: CN107744256A

Abstract

The invention discloses a liftable office table, which solves the problems of smaller lifting range, complex structure and high manufacturing cost of the office table in the prior art, and has the effects of small installation space, high lifting height, stable support and low cost; the technical scheme is as follows: including table, display bracket, locking mechanism and alternately elevating system, display bracket sliding connection is in the front side of table, locking mechanism is connected with the alternately elevating system who locates the table bottom, realizes the table lift and stably is fixed in not co-altitude through adjusting locking mechanism.

Description

Liftable desk

Technical Field

The invention relates to the field of daily life, in particular to a liftable office table.

Background

At present, computer official working has been popularized, and current desk is generally for operating personnel to pass through the seat and sit before the display, and the upper part of the body is in long-term unsettled operating condition, and this can lead to cervical vertebra, lumbar vertebra sick and pain to appear, influences healthy and the office efficiency. Therefore, a liftable desk is needed to solve the above problems. However, the existing lifting office table has the defects of small lifting range, complex structure and high manufacturing cost.

In summary, in the prior art, an effective solution is not yet provided for how to design a computer-aided office computer without increasing fatigue.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the lifting office table which has the effects of small installation space, high lifting height, stable support and low cost, and is particularly suitable for being placed in a place with limited space.

The invention adopts the following technical scheme:

a liftable office table comprises a table plate, a display bracket, a locking mechanism and a cross lifting mechanism, wherein the display bracket is connected to the front side of the table plate in a sliding manner, and the distance between the display bracket and the table plate is adjustable; the locking mechanism is connected with a cross lifting mechanism arranged at the bottom of the table plate, and the table plate is lifted and stably fixed at different heights by adjusting the locking mechanism.

Further, the bottom of table is equipped with the base that is used for installing alternately elevating system, be connected with elastomeric element between alternately elevating system and the base, the both sides of base are equipped with slide and a plurality of round pin shaft hole, and the front side of base is equipped with the pipe.

Preferably, the elastic member is a spring.

Furthermore, the base comprises two first base plates which are arranged in parallel, the first base plates are connected through two parallel fixing pieces, the fixing pieces are arranged on the upper portions of the first base plates, and the first base plates are fastened on the lower portion of the table plate through the fixing pieces and bolts.

Furthermore, the bottom of the first backing plate is wavy.

Further, the cross lifting mechanism comprises two groups of lifting components which are symmetrical about the center of the table plate, and the lifting components comprise at least two cross lifting rod groups.

Furthermore, a sliding block is arranged on the crossed lifting rod group connected with the base, the sliding block is arranged in the slide way to form linear sliding connection, and a gasket is arranged at the end part of the sliding block.

Further, locking mechanism includes preceding cross bracing board, back cross bracing board and threaded rod, the threaded rod passes back cross bracing board and preceding cross bracing board in proper order, threaded rod and back cross bracing board threaded connection, be equipped with the through-hole that is used for the threaded rod to pass on the preceding cross bracing board.

Furthermore, the rear end of the threaded rod is provided with a limiting boss and a hand wheel.

Furthermore, the display bracket comprises a bracket plate, a fixing frame and a bracket rod, the bracket rod is installed at the bottom of the bracket plate through a fixing sheet, the fixing frame is arranged at the upper part of the bracket plate, and two ends of the fixing frame are bent and fixed at the bottom of the bracket plate.

Furthermore, the bracket rod is inserted into the circular tube, and salient points are symmetrically arranged on two sides of the end part of the bracket rod, so that the bracket rod is prevented from sliding out of the circular tube; the distance between the display bracket and the table plate is adjusted by the length of the bracket rod entering the round tube.

Further, a base is arranged at the bottom of the cross lifting mechanism, and the base comprises two second base plates and a transverse plate connected between the second base plates; the second base plate is provided with a slide way and a plurality of pin shaft holes; the base is hinged with the cross lifting mechanism through a pin shaft arranged in a pin shaft hole.

Furthermore, the top of second backing plate is the wave setting, and the wave buffering design of first backing plate and second backing plate avoids the backing plate to appear sharp-pointed angle and causes the human damage.

Compared with the prior art, the invention has the beneficial effects that:

(1) the cross lifting mechanism is compact in structure, the width of the lifting mechanism can be adjusted through different pin shaft holes so as to be suitable for different spaces, the office table can be fixed at a certain height through the locking mechanism, the support is stable, and shaking is avoided;

(2) the lifting locking mechanism adopts a screw mechanism, has a self-locking function, and is simple in structure and convenient to operate; a limit boss is arranged between the threaded rod and the cross lifting mechanism, so that the stability of the mechanism is further improved;

(3) the display bracket for placing the computer display can be stretched, so that the distance between eyes and the display can be conveniently adjusted, and eye fatigue caused by staring at the display screen for a short time is avoided; meanwhile, the glasses can be suitable for people with different eyesight;

(4) the cross lifting mechanism has a large lifting range and can be simultaneously suitable for standing and sitting working modes; compact structure and small occupied space.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.

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

FIG. 2 is a schematic view of the cross lift mechanism of the present invention;

FIG. 3 is a schematic view of a base structure according to the present invention;

FIG. 4 is a schematic view of a base structure of the present invention;

FIG. 5 is a top view of the monitor bracket of the present invention;

FIG. 6 is a bottom view of the monitor bracket of the present invention;

FIG. 7 is a schematic view of the cross lifter set of the present invention;

FIG. 8 is a schematic view of a support bar according to the present invention;

FIG. 9 is a schematic view of a front cross brace of the present invention;

FIG. 10 is a schematic view of a rear cross brace of the present invention;

FIG. 11 is a schematic view of a threaded rod of the present invention;

FIG. 12 is a schematic view of a slider configuration of the present invention;

wherein, 1-backing plate, 2-cross lifting mechanism, 3-sleeve, 4-cross brace rod, 5-base, 6-front cross brace plate, 7-rear cross brace plate, 8-threaded rod, 9-pin shaft, 10-second backing plate, 11-second support rod, 12-base, 13-table plate, 14-first slide block, 15-display bracket, 16-spring, 17-second slide way, 18-pin shaft hole, 19-round pipe, 20-third fixing plate, 21-first slide way, 22-second fixing plate, 23-first backing plate, 24-fourth fixing plate, 25-bracket rod, 26-fixing frame, 27-bracket plate, 28-transverse plate, 29-cross lifting rod group, 30-through hole, 31-first variable diameter rod, 32-a first fixing plate, 33-a threaded hole, 34-a second reducer rod, 35-a fifth fixing plate, 36-a first supporting rod, 37-a second limiting boss, 38-a first limiting boss, 39-a hand wheel, 40-a second sliding block, 41-a hole and 42-a gasket.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the disclosure. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

As the background art introduces, there are the lift scope less, the structure is complicated, the cost is expensive not enough among the prior art, in order to solve above-mentioned technical problem, this application has proposed a liftable desk.

In a typical implementation mode of the present application, as shown in fig. 1-12, a liftable office table is provided, which is suitable for people to stand or sit in an alternative office mode, and comprises a table plate 13, a display bracket 15, a locking mechanism, a cross lifting mechanism 2 and a base 5, wherein the display bracket 15 is arranged on the front side of the table plate 13 (one side far away from the user is the front side), the cross lifting mechanism 2 is arranged at the bottom of the table plate 13, the base 5 is arranged at the bottom of the cross lifting mechanism 2, and the locking mechanism is arranged in the cross lifting mechanism 2.

The table plate 13 can be rectangular, circular, oval or rectangular, circular or oval structure with arc-shaped recesses at positions close to the human body.

The top of the cross lifting mechanism 2 is installed at the bottom of the table board 13 through the base 12, as shown in fig. 3, the base 12 includes two first base plates 23, the head and the tail between the two first base plates 23 are respectively connected by a first fixing piece 32, and a rectangular space is enclosed between the first base plates 23 and the first fixing pieces 32.

A plurality of second fixing pieces 22 are respectively arranged at the upper part of the first backing plate 23 and between the two first fixing pieces 32, and the specific number of the second fixing pieces 22 is determined according to the size of the table plate 13; the length of the second fixing plate 22 is smaller than that of the first fixing plate 32, and the two first backing plates 23 are fixed to the bottom of the table plate 13 through the first fixing plate 32 and the second fixing plate 22 by bolts.

Two parallel round pipes 19 are arranged on the front side of the first fixing piece 32 positioned at the head part of the first cushion plate 23, a third fixing piece 20 is arranged on the upper part between the two round pipes 19, the third fixing piece 20 is fixed at the bottom of the table plate 13 through a bolt, and the round pipes 19 are connected with the first fixing piece 32 and the third fixing piece 20 in a welding mode.

The round tube 19 is a steel tube.

First backing plate 23 is the rectangle, and the bottom is equipped with a plurality of waves protrudingly, and the side anterior segment of first backing plate 23 is equipped with first slide 21, and the phase side back end is equipped with the even round pin shaft hole 18 of a plurality of intervals, according to actual conditions, and the adjustment is alternately elevating system 2 and is articulated in the round pin shaft hole 18 of different positions to increase table 13's stability.

As shown in fig. 4, the base 5 includes a transverse plate 28 and two second base plates 10, and the transverse plate 28 is fixed between the two second base plates 10 to form an i-shaped structure.

The second backing plate 10 is rectangular, a plurality of wave-shaped bulges are arranged at the top of the second backing plate, a second slide way 17 is arranged at the front section of the side surface of the second backing plate 10, and a plurality of pin shaft holes 18 with uniform intervals are arranged at the rear section of the side surface of the second backing plate.

As shown in fig. 2, the cross lifting mechanism 2 includes two sets of symmetrically arranged lifting assemblies, and the two sets of lifting assemblies are connected through a cross brace 4. The lifting assembly comprises two cross lifter sets 29, the upper cross lifter set 29 being connected to the base 12 and the lower cross lifter set 29 being connected to the base 5.

The upper cross lifter set 29 is hinged with the lower cross lifter set 29.

The crossed lifting rod set 29 comprises a first supporting rod 36 and a second supporting rod 11 which are arranged in an X-shaped crossed manner, and as shown in fig. 7 and 8, the crossed point of the first supporting rod 36 and the second supporting rod 11 is hinged with the cross supporting rod 4. The portion of the cross brace 4 disposed between the first support bar 36 and the second support bar 11 is provided with the sleeve 3.

The top end of the first supporting rod 36 in the upper cross lifting rod group 29 is provided with a first sliding block 14, the top end of the second supporting rod 11 is provided with a pin shaft 9, the first sliding block 14 is arranged on the outer side, and the pin shaft 9 is arranged on the inner side; one end of a spring 16 is fixed on the pin shaft 9, and the other end of the spring 16 is fixed on the first support rod 36 at a position close to the first sliding block 14. The spring 36 is horizontal and provides auxiliary power for the cross lift mechanism when lifting.

The first sliding block 14 is arranged in a first slide way 21 of the base 12, and the first sliding block 14 can slide in the first slide way 21; the end of the first sliding block 14 is provided with a gasket 42, and the diameter of the gasket 42 is larger than the height of the first slideway 21, so that the first sliding block 14 is prevented from sliding out of the first slideway 21.

The end of the first support rod 36 of the lower cross lifting rod group 29 is provided with a pin shaft 9, the end of the second support rod 11 is provided with a second slide block 40, the second slide block 40 is arranged in a second slide way 17 of the base 5, and the second slide block 40 can slide in the second slide way 17; the end of the second slider 40 is provided with a washer 42.

As shown in fig. 12, the first slider 14 and the second slider 40 are provided with holes 41 for connecting to the support rods.

Be equipped with locking mechanism between two sets of lifting units, locking mechanism includes preceding cross bracing board 6, back cross bracing board 7 and threaded rod 8, and preceding cross bracing board 6 and back cross bracing board 7 are located respectively between the pin joint of the alternately lifter group on upper portion and the alternately lifter group of lower part.

As shown in fig. 9, the cross section of the front cross plate 6 is diamond-shaped, a through hole 30 is formed in the middle of the cross section, first reducing rods 31 are arranged at two ends of the front cross plate 6, the maximum diameter of the first reducing rods 31 is smaller than the cross-sectional size of the end of the front cross plate 6, so as to form a two-layer boss structure, and the front cross plate 6 is stably connected with the upper cross lifting rod set and the lower cross lifting rod set without sliding through the two-layer boss structure.

As shown in fig. 10, the cross section of the rear cross plate 7 is a diamond shape, a threaded hole 33 is formed in the middle of the cross section, second reducing rods 34 are arranged at the two ends of the rear cross plate 7, the maximum diameter of the second reducing rods 34 is smaller than the cross-sectional size of the end portion of the rear cross plate 7, so as to form a two-layer boss structure, and the rear cross plate 7 is stably connected with the upper cross lifting rod group and the lower cross lifting rod group without sliding due to the two-layer boss structure.

Threaded rod 8 passes preceding horizontal fagging 6 and back horizontal fagging 7, is threaded connection between threaded rod 8 and the back horizontal fagging 7, and the through-hole 30 of preceding horizontal fagging 6 is passed to the front end of threaded rod 8, and through-hole 30 plays the guide effect to threaded rod 8.

As shown in fig. 11, a hand wheel 39 is arranged at the rear end of the threaded rod 8, a first limiting boss 38 and a second limiting boss 37 are sequentially arranged between the hand wheel 39 and the threaded rod 8, the hand wheel 39 is fixed at the rear part of the first limiting boss 37, and the diameter of the second limiting boss 37, which is larger than the threaded rod 8, is smaller than the size of the first limiting boss 37.

The handwheel 39 may be circular, oval or other shape that facilitates manual manipulation by a person.

As shown in fig. 5 and 6, the display bracket 15 includes a bracket plate 27, a fixing frame 26 and a bracket rod 25, the bracket rod 25 is formed by bending a steel pipe, the middle part of the bracket rod is bent to form a U-shaped part, and both ends of the bracket rod are bent to form horizontal parts; the top end of the U-shaped part of the bracket rod 25 is welded with a fourth fixing piece 24, and the fourth fixing piece 24 is fastened at the bottom of the bracket plate 27 through a bolt; the horizontal part of bracket pole 25 inserts in the pipe 19, and the tip both sides of horizontal part are equipped with the bump, make it remove in the pipe 19 with the interval between regulation bracket board 27 and the table 13 through pull bracket pole 25 horizontal part, and then adjust the distance between people's eyes and the display, make its crowd that is applicable to different eyesight.

The fixing frame 26 is formed by bending a steel pipe, the middle of the fixing frame is bent to form a U-shaped part, and two ends of the fixing frame are bent to form horizontal parts; the width of the U-shaped part of the fixing frame 26 is larger than that of the bracket rod, and the U-shaped part of the fixing frame 26 is used for supporting the display; the U-shaped part of the fixing frame 26 is arranged on the upper part of the bracket plate 27, and the horizontal part of the fixing frame 26 is bent to the bottom of the bracket plate 27, so that the bracket plate 27 is clamped on the lower side of the U-shaped part of the fixing frame 26; the horizontal portion of the fixing bracket 26 and the upper side of the middle of the U-shaped portion of the bracket bar 25 are fastened to the bottom of the bracket plate 27 by a fifth fixing plate 35.

The bracket plate 27 may be circular, oval, but is not limited to these two shapes.

When the table is used, the distance between the rear cross support plate 7 and the front cross support plate 6 is shortened by rotating the threaded rod 8, the front-back distance of the cross lifting mechanism 2 is shortened, the height is increased, and the height of the table plate 13 is lifted along with the height; otherwise, the distance between the rear cross support plate 7 and the front cross support plate 6 is increased, the height of the table plate 13 is reduced, and the height of the table plate 13 can be adjusted due to the self-locking function of the threads, and the table plate can be stably fixed at a certain height.

In another embodiment of the present application, the single-sided lifting assembly includes three or more crossed lift bar sets, the lifting height of the crossed lift mechanism can be increased by increasing the number of lift bar sets in the vertical direction, and the width and stability of the crossed lift mechanism can be increased by increasing the number of lift bar sets in the horizontal direction. The specific arrangement mode of the crossed lifting rod group is determined according to actual needs.

In another embodiment of the present application, the tail of the threaded rod is provided with a limit boss, and the limit boss is fixed on a motor shaft of the motor and controls the rotation of the threaded rod through the motor.

Other structures are the same as those of the above embodiments, and are not described herein again.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A liftable office table is characterized by comprising a table plate, a display bracket, a locking mechanism and a cross lifting mechanism, wherein the display bracket is connected to the front side of the table plate in a sliding manner, the locking mechanism is connected with the cross lifting mechanism arranged at the bottom of the table plate, and the table plate is lifted and stably fixed at different heights by adjusting the locking mechanism;

the locking mechanism comprises a front cross support plate, a rear cross support plate and a threaded rod, the threaded rod sequentially penetrates through the rear cross support plate and the front cross support plate, the threaded rod is in threaded connection with the rear cross support plate, and a through hole for the threaded rod to penetrate through is formed in the front cross support plate;

the bottom of the cross lifting mechanism is provided with a base, and the base comprises two base plates and a transverse plate connected between the base plates; the base plate is provided with a slide way and a plurality of pin shaft holes; the base is hinged with the cross lifting mechanism through a pin shaft arranged in a pin shaft hole;

the bottom of the table plate is provided with a base for mounting a cross lifting mechanism, an elastic component is connected between the cross lifting mechanism and the base, two sides of the base are provided with a slide way and a plurality of pin shaft holes, and the front side of the base is provided with a round pipe;

the display bracket comprises a bracket plate, a fixing frame and a bracket rod, wherein the bracket rod is arranged at the bottom of the bracket plate through a fixing sheet, the fixing frame is arranged at the upper part of the bracket plate, and two ends of the fixing frame are bent and fixed at the bottom of the bracket plate;

the bracket rod is inserted into the circular tube, and salient points are symmetrically arranged on two sides of the end part of the bracket rod; the distance between the display bracket and the table plate is adjusted by the length of the bracket rod entering the round tube.

2. A liftable desk according to claim 1, wherein the cross lifting mechanism comprises two sets of lifting members symmetrical about the center of the desk, the lifting members comprising at least two sets of cross lifting rods.

3. A liftable desk according to claim 1 or 2, wherein the cross lifting rod group connected to the base is provided with a slide block, the slide block is arranged in the slide way to form a linear sliding connection, and the end of the slide block is provided with a gasket.

4. Liftable desk according to claim 1,

the cross section of the front cross support plate is rhombic, a through hole is formed in the middle of the front cross support plate, first reducing rods are arranged at two ends of the front cross support plate, the maximum diameter of each first reducing rod is smaller than the cross section size of the end part of the front cross support plate, so that a two-layer boss structure is formed, and the two-layer boss structure is formed;

the cross-section of back spreader is the rhombus, is equipped with the screw hole in the middle of it, and the both ends of back spreader are equipped with the second reducing pole, the maximum diameter of second reducing pole is less than the tip cross-sectional dimension of back spreader 7 to form two-layer boss structure.

5. A liftable desk according to claim 4, wherein the rear end of the threaded rod is provided with a limiting boss and a hand wheel.

6. A liftable desk according to claim 1, wherein the top of the base plate is arranged in a wave shape.