阅读说明：本技术 升降桌 (Lifting table ) 是由 缪贞 蔡成唯 于 2019-09-25 设计创作，主要内容包括：本发明公开了一种升降桌,包括桌面、上连接框、下连接框和两个X型支架,桌面连接在上连接框上,上连接框与下连接框上下对称设置,两个X型支架对称设置在上连接框与下连接框之间并将其连接,两个X型支架通过电机驱动其展开和收缩,所述X型支架包括A杆和B杆,A杆与B杆交叉设置,A杆与B杆之间设有间隔；所述桌面的中下部位置设置有挡条装置。本发明在容易夹到手的位置留有间隙,可避免在使用的时候框架支架间因为夹角或间隔的减小夹到手指或连接线,提高使用安全性；且使用方便,能够根据需要将挡条进行隐藏或竖起,从而提高了挡条的适用性,同时挡条装置设置在中下部位置处,也能够在打字时使手部具有支撑面,从而方便于手部打字。(The invention discloses a lifting table, which comprises a table top, an upper connecting frame, a lower connecting frame and two X-shaped supports, wherein the table top is connected onto the upper connecting frame, the upper connecting frame and the lower connecting frame are symmetrically arranged up and down, the two X-shaped supports are symmetrically arranged between the upper connecting frame and the lower connecting frame and are connected with each other, the two X-shaped supports are driven by a motor to expand and contract, each X-shaped support comprises an A rod and a B rod, the A rods and the B rods are arranged in a crossed manner, and a gap is arranged between the A rods and the B rods; and a barrier strip device is arranged at the middle lower part of the desktop. The invention leaves a gap at the position which is easy to clamp the hand, can avoid clamping the finger or the connecting wire between the frame brackets because of the reduction of the included angle or the interval when in use, and improves the use safety; the barrier strip device is arranged at the middle lower part, so that a hand can be provided with a supporting surface when typing, and the typing on the hand is facilitated.)

1. The lifting table is characterized by comprising a table top, an upper connecting frame, a lower connecting frame and two X-shaped supports, wherein the table top is connected onto the upper connecting frame, the upper connecting frame and the lower connecting frame are arranged in a vertically symmetrical mode, the two X-shaped supports are symmetrically arranged between the upper connecting frame and the lower connecting frame and are connected with the upper connecting frame and the lower connecting frame, the two X-shaped supports are driven by a motor to expand and contract, each X-shaped support comprises an A rod and a B rod, the A rods and the B rods are arranged in a crossed mode, and a gap is formed between the A rods and the B rods; and a barrier strip device is arranged at the middle lower part of the desktop.

2. The lifting table as claimed in claim 1, wherein a pin is provided at the intersection of the A-bar and the B-bar, and the pin connects the two X-shaped brackets; the upper connecting frame and the lower connecting frame are identical in structure, one end of the lower connecting frame is provided with two connecting pieces, the two sides of the other end of the lower connecting frame are symmetrically provided with sliding chutes, the two ends of each sliding chute are respectively provided with a first limiting block and a second limiting block, and an interval is arranged between each second limiting block and the end part of the lower connecting frame; the upper ends of the two A rods are connected with the connecting piece of the upper connecting frame through pins, the lower ends of the two A rods are connected with each other through a connecting rod, the two ends of the connecting rod are connected with the two sliding grooves of the lower connecting frame through pulleys, the upper ends of the two B rods are connected with each other through a connecting rod, the two ends of the connecting rod are connected with the sliding grooves of the upper connecting frame through pulleys, and the lower ends of the connecting rod are connected with the connecting piece of the lower.

3. The lifting table as claimed in claim 2, wherein the motor is disposed on two X-shaped supports, the bottom of the motor is connected to the connecting rod at the bottom of the A-bar, the motor drives a supporting rod to extend and retract through a transmission structure of a worm gear and a rack and pinion, and the supporting rod is connected to the middle sections of the two B-bars through a rotating shaft.

4. The elevating table as set forth in claim 2 wherein the distance between the bars a and B is 0.5cm to 5 cm.

5. The lifting table as claimed in claim 1, wherein the bottom of the table top is provided with an adjusting brace, one end of the adjusting brace is connected with the upper connecting frame, the other end of the adjusting brace is connected with one side of the table top, and the bottom of the other side of the table top is connected with the upper connecting frame through a rotating shaft.

6. A lifting table as claimed in claim 5, wherein a damper is provided on the shaft.

7. The lifting table as claimed in claim 1, wherein the table top comprises a left table top and a right table top, a bar device is disposed at least at a middle-lower position of the left table top, and an adjusting brace is disposed at least at a bottom of the left table top.

8. Lifting table according to claim 1, wherein the distance h from the upper edge of the bar means to the lower edge of the table top is in the range of 5cm to 20 cm.

9. The elevating table as set forth in claim 1 wherein the bar means is a flip-over bar structure or a push-and-bounce type structure.

10. The lifting table as claimed in claim 9, wherein the turnover-type barrier structure comprises an outer-side barrier frame and an arc-shaped barrier, the outer-side barrier frame is provided with a groove, the arc-shaped barrier is arranged in the groove, a rotating shaft is arranged at a middle position of a straight edge of the arc-shaped barrier, the arc-shaped barrier is fixed in the groove through the rotating shaft, and the arc-shaped barrier can also rotate through the rotating shaft.

Technical Field

The invention belongs to the field of daily furniture, and particularly relates to a lifting table.

Background

There is a lift table in the existing market, adopt cylinder and movable support to be connected, utilize servo motor to drive actuating cylinder, control opening and shutting of movable support, realize the lift with the desktop horizontal position of leg joint, general movable support is the X type support of two symmetries, when X type support is opened and shut, when the desktop falls to minimum, can press from both sides the finger because the contained angle reduces, uses insecurely, simultaneously because the desktop utilizes the motor to go up and down, consequently has the connecting wire, if press from both sides the connecting wire and will damage the machine. In addition, in the conventional personal writing desk, the barrier strip is usually arranged at the position of the edge part at the lowest end of the desk top, and the conventional barrier strip is a convex transverse strip, so that in the using process, when a notebook is placed at the position of the barrier strip and then the hand is used for typing, the typing speed is reduced and the comfort level of the hand is poorer due to the fact that the hand does not have a supporting surface; meanwhile, when the desktop is in a horizontal position, the blocking strip on the edge of the lowest end of the desktop can also influence the placement of the hands.

Disclosure of Invention

The invention aims to solve the technical problem of providing the lifting table which can prevent the lifting table from clamping hands or wires in the use process and is flexible to use.

The invention is realized by the following technical scheme:

the lifting table comprises a table top, an upper connecting frame, a lower connecting frame and two X-shaped supports, wherein the table top is connected onto the upper connecting frame, the upper connecting frame and the lower connecting frame are arranged in a vertically symmetrical mode, the two X-shaped supports are symmetrically arranged between the upper connecting frame and the lower connecting frame and are connected with the upper connecting frame and the lower connecting frame, the two X-shaped supports are driven to expand and contract through a motor, each X-shaped support comprises an A rod and a B rod, the A rods and the B rods are arranged in a crossed mode, and a gap is formed between the A rods and the B rods; and a barrier strip device is arranged at the middle lower part of the desktop.

Preferably, a pin shaft is arranged at the intersection of the rod A and the rod B and is connected with the two X-shaped supports; the upper connecting frame and the lower connecting frame are identical in structure, one end of the lower connecting frame is provided with two connecting pieces, the two sides of the other end of the lower connecting frame are symmetrically provided with sliding chutes, the two ends of each sliding chute are respectively provided with a first limiting block and a second limiting block, and an interval is arranged between each second limiting block and the end part of the lower connecting frame; the upper ends of the two A rods are connected with the connecting piece of the upper connecting frame through pins, the lower ends of the two A rods are connected with each other through a connecting rod, the two ends of the connecting rod are connected with the two sliding grooves of the lower connecting frame through pulleys, the upper ends of the two B rods are connected with each other through a connecting rod, the two ends of the connecting rod are connected with the sliding grooves of the upper connecting frame through pulleys, and the lower ends of the connecting rod are connected with the connecting piece of the lower.

Preferably, the motor sets up on two X type supports, and the bottom of motor is connected on the connecting rod of A pole bottom, and the motor drives a bracing piece through worm gear and rack and pinion complex transmission structure and stretches out and draws back, the bracing piece is connected to the middle section of two B poles through the pivot. Furthermore, a groove body is arranged at the bottom of the desktop corresponding to the position of the motor and used for accommodating the motor when the X-shaped support is tightened.

More preferably, the distance between the A rod and the B rod is 0.5 cm-5 cm.

Preferably, the interval between the second limiting block and the end part of the lower connecting frame is 0.5 cm-5 cm.

Preferably, the bottom of the desktop is provided with an adjusting support rod, one end of the adjusting support rod is connected with the upper connecting frame, the other end of the adjusting support rod is connected with one side of the desktop and used for lifting one side of the desktop, and the bottom of the other side of the desktop is connected with the upper connecting frame through a rotating shaft and used for being matched with the adjusting support rod to enable the desktop to be smoothly turned up by a certain angle relative to a horizontal plane.

Preferably, the rotating shaft is provided with a damper so as to prevent fingers from being injured by clamping when the rotating shaft is overturned too fast.

Preferably, the table top comprises a left table top and a right table top, the barrier strip device is arranged at least at the middle lower part of the left table top, and the adjusting support rod is arranged at least at the bottom of the left table top.

Preferably, at least the right desktop is provided with a pen placing groove at a position close to the upper right corner.

Preferably, the distance between the upper edge of the barrier strip device and the lower edge of the table top is h, and the range of h is between 5cm and 20 cm. More preferably, said h ranges between 7cm and 17 cm.

Preferably, the barrier strip device is of a turnover barrier strip structure or a pressing and bouncing type structure.

Preferably, convertible shelves strip structure includes outside shelves strip frame and arc shelves strip, be provided with the recess on the outside shelves strip frame, the arc shelves strip sets up in the recess, the intermediate position department on the straight line limit of arc shelves strip is provided with the pivot, the arc shelves strip is fixed in the recess simultaneously through the pivot the arc shelves strip also can rotate through the pivot. Further, the arc-shaped barrier strip is of a hollow structure.

Preferably, the desktop and the upper connecting frame are provided with a locking buckle and a locking block which are matched with each other, so that the desktop is tightly fixed on the upper connecting frame after the adjusting support rod is completely folded.

The invention has the beneficial effects that:

the invention has reasonable structural design, and a gap is reserved at the position which is easy to clamp the hand, so that the finger or the connecting wire can be prevented from being clamped between the frame brackets because the included angle or the interval is reduced when the device is used, and the use safety is improved; and convenient to use, the blend stop device sets up the well lower part position at the desktop, can block the notebook of placing on the desktop through the blend stop when needing, prevents its roll-off desktop, hides the blend stop when not needing to the suitability of blend stop has been improved, and the blend stop device sets up in well lower part position department simultaneously, also can make the hand have the holding surface when typing, thereby convenient in the hand type.

Drawings

For ease of illustration, the invention is described in detail by the following specific examples and figures.

FIG. 1 is a schematic perspective view of an embodiment of the present invention;

FIG. 2 is a side view of FIG. 1;

FIG. 3 is a schematic structural view of the X-bracket according to the embodiment of the present invention when retracted;

FIG. 4 is a schematic structural view of a lower connection frame;

FIG. 5 is a schematic view of a structure of the barrier device with a flip-type barrier structure when the barrier device is flipped up;

fig. 6 is a schematic structural view of the barrier strip device in a flip-type barrier strip structure when the barrier strip device is folded;

FIG. 7 is a schematic structural view of the roll-over barrier structure;

fig. 8 is a schematic structural view of the barrier strip device in a pressing and bouncing type structure when bouncing up.

Detailed Description

As shown in fig. 1-8, the lifting table comprises a table top 1, an upper connecting frame 2, a lower connecting frame 3 and two X-shaped supports 4, wherein the table top 1 is connected to the upper connecting frame 2, the upper connecting frame 2 and the lower connecting frame 3 are symmetrically arranged up and down, the two X-shaped supports 4 are symmetrically arranged between the upper connecting frame 2 and the lower connecting frame 3 and are connected with each other, the two X-shaped supports 4 are driven by a motor 5 to expand and contract, the X-shaped supports 4 comprise an a rod 41 and a B rod 42, the a rod 41 and the B rod 42 are arranged in a crossing manner, and a gap is formed between the a rod 41 and the B rod 42; and a barrier strip device 7 is arranged at the middle lower part of the table top 1.

A pin shaft 43 is arranged at the intersection of the A rod 41 and the B rod 42 and is connected with the two X-shaped supports 4; the upper connecting frame 2 and the lower connecting frame 3 have the same structure, one end of the lower connecting frame 3 is provided with two connecting pieces 31, the two sides of the other end are symmetrically provided with sliding chutes 32, the two ends of each sliding chute 32 are respectively provided with a first limiting block 33 and a second limiting block 34, and the second limiting blocks 34 are spaced from the end parts of the lower connecting frame 3; the upper ends of the two A rods 41 are connected with the connecting piece of the upper connecting frame 2 through pins, the lower ends of the two A rods are connected with each other through a connecting rod, the two ends of the connecting rod are connected with the two sliding grooves 32 of the lower connecting frame 3 through the pulleys 35, the upper ends of the two B rods 42 are connected with each other through a connecting rod, the two ends of the connecting rod are connected with the sliding grooves of the upper connecting frame 2 through the pulleys, and the lower ends of the connecting rod are connected with the connecting.

When the desktop rises or descends, the change of contained angle between A pole and the B pole can be avoided in the interval between A pole and the B pole and press from both sides in hand, and when the desktop descends, the pulley is avoided pressing from both sides in hand after the pulley is on the earth to the interval between second stopper and the lower connecting frame tip, and simultaneously, the pulley can't be to the tip of lower link frame, goes up and can not closely laminate between connecting frame and the lower link frame, avoids tong or connecting wire.

The motor 5 is arranged on the two X-shaped supports 4, the bottom of the motor 5 is connected to the connecting rod at the bottom of the A rod 41, the motor 5 drives a supporting rod to stretch through a transmission structure matched with a worm gear and a gear rack, and the supporting rod is connected to the middle sections of the two B rods 42 through a rotating shaft. A groove body is arranged at the bottom of the desktop 1 corresponding to the position of the motor 5 and used for accommodating the motor when the X-shaped bracket 4 is tightened.

The distance between the A rod 41 and the B rod 42 is 0.5 cm-5 cm.

The interval between the second limiting block 34 and the end part of the lower connecting frame 3 is 0.5 cm-5 cm.

The bottom of the desktop 1 is provided with an adjusting support rod 8, one end of the adjusting support rod 8 is connected with the upper connecting frame 2, the other end of the adjusting support rod 8 is connected with one side of the desktop 1 and used for lifting one side of the desktop 1, and the bottom of the other side of the desktop 1 is connected with the upper connecting frame 2 through a rotating shaft 9 and used for being matched with the adjusting support rod 8 to enable the desktop to be smoothly turned up by a certain angle relative to a horizontal plane.

The rotating shaft 9 is provided with a damper 10 so as to prevent fingers from being injured by clamping when the rotating shaft is overturned too fast.

The desktop 1 comprises a left desktop 11 and a right desktop 12, a barrier strip device 7 is arranged at the middle lower part of the left desktop 11, and an adjusting support rod 8 is arranged at the bottom of the left desktop 11.

A pen placing groove 121 is arranged at a position of the right tabletop 12 close to the upper right corner.

The distance between the upper edge of the barrier strip device and the lower edge of the table top is h, and the range of h is 7 cm-17 cm.

The barrier strip device 7 is of a turnover barrier strip structure or a pressing bouncing structure.

Convertible shelves strip structure includes outside shelves strip frame 71 and arc shelves strip 72, be provided with the recess on the outside shelves strip frame 71, arc shelves strip 72 sets up in the recess, the intermediate position department on the straight line limit of arc shelves strip 72 is provided with pivot 73, arc shelves strip 72 is fixed in the recess simultaneously through pivot 73 arc shelves strip 72 also can rotate through pivot 73. The arc-shaped barrier strip is of a hollow structure.

The desktop 1 and the upper connecting frame 2 are provided with a locking buckle and a locking block which are matched with each other, so that the desktop is tightly fixed on the upper connecting frame after the adjusting support rod 8 is completely folded.

The invention has reasonable structural design, and a gap is reserved at the position which is easy to clamp the hand, so that the finger or the connecting wire can be prevented from being clamped between the frame brackets because the included angle or the interval is reduced when the device is used, and the use safety is improved; and convenient to use can block the notebook of placing on the desktop through the blend stop when needing, prevents its roll-off desktop, hides the blend stop when not needing to improve the suitability of blend stop, the blend stop device sets up in middle and lower part position department simultaneously, also can make hand have the holding surface when typing, thereby convenient in the hand type.

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.