WO2023274261A1

WO2023274261A1 - Height-adjustable desk

Info

Publication number: WO2023274261A1
Application number: PCT/CN2022/102096
Authority: WO
Inventors: 倪良正; 张叙俊; 陈正尉; 江赵华; 付瑜; 俞剑锋
Original assignee: 圣奥科技股份有限公司
Priority date: 2021-06-29
Filing date: 2022-06-28
Publication date: 2023-01-05

Abstract

A height-adjustable desk, comprising a desk board (1), a lifting assembly and desk legs (3), wherein the desk legs (3) are hollow, and hand controllers (11) and a cross beam (2) are arranged on the desk legs (3); the cross beam (2) is perpendicular to the desk legs (3); the desk board (1) covers an upper end surface of the cross beam (2); a controller (20) is arranged on a bottom end surface of the desk board (1); the hand controllers (11) are connected to the controller (20) by means of first cables (24); the cross beam (2) is provided with a hollow channel (14), and cable inlets (27) and cable outlets, which are in communication with the hollow channel (14); connecting members (9) are arranged between the desk legs (3) and the cross beam (2); the connecting members (9) are configured to connect the desk legs (3) and the cross beam (2) and make the interiors of the desk legs and the cross beam be in communication, and cables can enter the desk legs (3) or the cross beam (2) via the connecting members (9); the hand controllers (11) are each arranged at the top end of the respective connecting members (9); head ends of the first cables (24) are connected to the hand controllers (11), and tail ends of the first cables (24) enter the hollow channel (14) via the connecting members (9), then exit the respective cable outlets and are connected to the controller (20); the controller (20) is connected to the lifting assembly; and the lifting assembly acts on the desk board (1) to drive the desk board (1) to be lifted or lowered. The first cables (24) are hidden in the table legs (3) and the cross beam (2), thereby preventing the first cables (24) from being exposed, such that potential safety hazards are avoided, and the height-adjustable desk is more aesthetic.

Description

a lifting table

technical field

The invention relates to the field of furniture, in particular to a lifting table.

Background technique

Lifting desks are also called study desks or lifting desks. Using the lifting feature, they can meet the healthy office needs of people of different heights to achieve alternating standing and sitting. At present, more and more office workers choose lifting desks for office work; now State-of-the-art lift tables generally include electric lift tables and manual lift tables. The former uses a motor to drive the lift, while the latter uses a crank to drive the lift. In order to facilitate the operation and control of the lifting action of the electric lifting table, the electric lifting table is generally equipped with a hand controller, and the hand controller and the driving motor are usually electrically connected through a cable to send instructions to the controller. In addition, the controller and the motor are also connected through a cable to control the action of the drive motor. The cables used for connection between the above-mentioned components will be exposed on the bottom surface of the table board or the outside of the table legs, which is neither beautiful nor has certain potential safety hazards.

technical solution

The present invention overcomes the shortcomings in the above-mentioned prior art, and provides a lifting table that can hide the cables connected between the hand controller and the controller in the table legs and beams to eliminate potential safety hazards.

Technical scheme of the present invention is realized like this:

An elevating table, comprising a table board, an elevating assembly and table legs, the inside of the table leg is hollow, on which a hand controller and a crossbeam are arranged, the length direction of the crossbeam is perpendicular to the length direction of the table leg, the The table top is covered on the upper end surface of the crossbeam, a controller is arranged on the bottom end surface of the tabletop, the hand controller is connected to the controller through a first cable, and the crossbeam is provided with A hollow passage extending along its length direction and a wire inlet and an outlet connected to the hollow passage, a connecting piece is provided between the table leg and the beam, and the connecting piece is detachably connected to the table leg and the beam. The connecting piece is configured to connect the table leg with the crossbeam and make the two communicate internally, and the cable can enter the table leg or the crossbeam respectively through the connecting piece; the hand controller is arranged on the top of the connecting piece, and the first cable The head end of the first cable is connected to the hand controller, the tail end of the first cable enters the hollow channel through the connecting piece, and then leaves from the outlet and is connected to the controller; the controller is connected to the lifting assembly, and the The lifting component acts on the table to drive the table to lift.

The first cable on the hand controller used to connect to the controller passes through the cable channel, the hollow channel and the outlet in turn and connects to the controller. The first cable is hidden in the table legs and beams to avoid the first cable Exposure eliminates potential safety hazards and makes the overall appearance more beautiful. The table leg is detachably connected to the connecting piece, and the connecting piece is mated with the hollow channel on the beam, which facilitates the disassembly and assembly of the table leg, the connecting piece and the beam, and can be assembled and disassembled without welding. In addition to connecting the beam with the table legs, the connecting piece also makes the internal space of the table legs communicate with the internal space of the beam, so that the cables are not exposed to the surface of the lifting table and can be connected unimpeded, thereby realizing The hiding of the cables improves safety; for example, the hand controller set on the top of the connector, the first cable connected to it goes down into the connector, then enters the beam through the connector, and finally comes out from the beam to the controller Connection, of course, the cable coming out of the controller can also go from the beam to the inside of the table leg through the connecting piece, and connect with the lifting component inside the table leg. Finally, the hand controller is set on the top of the table leg, which is uniquely located, which can not only tell the user where it is, but also not make the appearance of the lifting table obtrusive. It is perfectly integrated with the main body of the lifting table, and the appearance is simple and attractive eyeball.

Preferably, a protective piece is further included, the protective piece wraps the peripheral side wall of the connecting piece exposed outside the beam, and the protective piece is detachably connected with the column. The connecting piece is blocked by the protective piece, and the first cable in the avoidance groove is covered to prevent water and dust from entering the avoidance groove, and also make the appearance more beautiful.

As a preference, the guard is provided with a connecting channel that runs through its upper and lower ends, one of the inner wall of the connecting channel and the outer wall of the column is provided with a locking tongue, and the other of the inner wall of the connecting channel and the outer wall of the column One is provided with a through hole, the column is inserted into the connecting channel, and the lock tongue is snap-fitted with the through hole; and the side wall of the guard is provided with an opening communicating with the connecting channel, The connecting piece extends into the connecting channel from the opening so that the protective piece wraps the peripheral side wall of the connecting piece; and a screw is inserted on the connecting piece, and the screw is connected to the column in the connecting channel threaded connection. The protective part and the column are snapped together by the lock tongue and the through hole, and no drilling or welding is required for fixing, and the disassembly and assembly are convenient and quick. And the side wall of the guard is provided with an opening communicating with the connecting channel, and the connecting piece extends into the connecting channel through the opening so that the guard wraps the peripheral side wall of the connecting part, and only needs to insert the connecting piece into the side wall of the guard. It is only necessary to open the opening, and there is no need to find the correct positioning during the assembly process, which reduces the assembly error and is convenient and quick.

Preferably, the connector includes a plug-in part and a connecting part, the plug-in part is inserted into the hollow passage, and the connector is provided with an avoidance groove, and the avoidance groove is arranged transversely between the plug-in part and the connecting part. The upper surface of the upper part and communicates with the hollow channel, the tail end of the first cable passes through the avoidance groove, the hollow channel and the outlet in turn and is connected with the controller; the connecting part extends into the In the connecting channel; and the thickness of the connecting part is smaller than the thickness of the insertion part, when the connecting part extends into the connecting channel, the insertion part is against the outer wall of the protective part; The escape groove is divided into a first avoidance section, a second avoidance section and a third avoidance section along its length direction, the first avoidance section is arranged on the upper end surface of the connecting part, and the third avoidance section is arranged on the The upper end surface of the insertion part, the groove depth of the avoidance groove in the first avoidance section is smaller than the groove depth of the third avoidance section, the head end of the second avoidance section is connected with the first avoidance section and the groove The depth is the same, the tail end of the second avoidance section is connected to the third avoidance section and the groove depth is the same, and the groove depth of the second avoidance section gradually increases from the head end to the tail end of the second avoidance section. deepen. Because the thickness of the connecting part is smaller than the thickness of the plugging part, when the connecting part extends into the connecting channel, the plugging part abuts against the outer wall of the protective part, which can prevent the height of the protective part from being too high and make the connecting part extend into the connecting channel. It does not need to be positioned when it is in the above-mentioned connecting channel, as long as the plug-in part is in contact with the outer wall of the protective part. Moreover, the groove depth of the escape groove in the first escape section is smaller than the groove depth of the third escape section, which can prevent the groove depth of the first escape section from being too deep and penetrating through the connecting portion. At the same time, the groove depth of the avoidance groove in the second avoidance section is gradually deepened from the head end to the tail end of the second avoidance section, so as to prevent the first avoidance section from directly transitioning to the third avoidance section and forming a step. If a step is formed, the step of the step The edge will squeeze the sheaths of the first cable and the second cable and cause the cables to break.

Preferably, the connecting piece itself is integrally formed, the connecting piece has a first connecting portion and a second connecting portion, the first connecting portion is detachably connected to the table leg, and the second connecting portion is inserted into the In the hollow channel and kept relatively fixed with the beam, the connecting piece is provided with a wiring channel, the wiring channel communicates with the hollow channel, and the connecting piece is provided with an inlet opening, The wire inlet opening communicates with the wire routing channel.

Preferably, the connecting piece is provided with a slot on the bottom end surface of the first connecting portion, and the table leg is inserted into the slot to be connected with the connecting piece. Because the table leg can be inserted into the slot on the bottom end surface of the first connecting part of the connecting part to be connected with the connecting part. After being in the slot on the bottom end surface of the first connecting part of the table leg, screws can be driven in to fix it. At this time, because the table leg and the slot are plugged and matched, the through holes and threaded holes for driving in the screws must have been aligned. Yes, save the step of finding the right one. And because the table legs are mated with the slots, the structure is more stable.

Preferably, the hollow passage runs through both ends of the beam to form the wire inlet, and the connecting piece is inserted into the hollow passage through the wire inlet.

Preferably, the table leg includes a column, the connecting piece is detachably arranged above the column, and the top end of the connecting piece is provided with an avoidance groove, and the avoidance groove runs through one end of the connecting piece and connects with the hollow The channel is connected, and the tail end of the first cable passes through the avoidance groove, the hollow channel and the cable outlet in sequence and is connected with the controller.

Preferably, a fixing piece is provided in the hollow channel, the connecting piece is connected to the fixing piece by screws, and an escape opening is set on the fixing piece, and the tail end of the first cable passes through the The avoidance groove, the avoidance opening and the outlet are connected with the controller.

Preferably, it also includes a second cable, the escape groove is provided with a wire hole, and the wire hole passes through the connecting piece to connect with the connecting channel, and the table leg also includes a sleeve and a supporting foot , the sleeve is vertically arranged on the support foot, the column is inserted into the sleeve and fits with the sleeve, the column is provided with a lifting channel, and the lifting assembly is placed In the lifting channel, the lifting assembly acts on the column to drive the column to slide along its own length relative to the sleeve, and the head end of the second cable is connected to the controller. The tail end of the second cable passes through the cable outlet, the hollow channel, the avoidance groove and the avoidance hole in sequence, and extends into the lifting channel to connect with the lifting assembly. The controller and the lifting assembly are connected by a second cable, and the avoidance hole is provided on the avoidance groove, and the tail end of the second cable passes through the outlet, the hollow channel, the avoidance groove and the avoidance hole in turn and extends into the The lifting channel is connected with the lifting component, and the second cable is also hidden in the beam and table legs without being exposed, so there is no potential safety hazard and it is more beautiful.

Preferably, it also includes a wire box, the wire box is arranged on the bottom surface of the table, the controller is located in the wire box, one end of the wire box is against the beam, and the wire outlet is located on the wire Inside the box: the tail end of the first cable passes through the connector, the hollow passage, the cable outlet, the end wall of the side of the box and the crossbeam in turn, and is connected to the controller. The controller is stored in the wire box, which has a certain protective effect on the controller, and one end of the wire box is against the beam, and the tail end of the first cable passes through the wire passage, the hollow passage, the wire outlet, and the wire box in turn. The end wall on one side abutting against the crossbeam is connected to the controller, and the part of the first cable exposed outside the crossbeam is also covered by the wire box, which is safer and more reliable.

Preferably, it also includes two stoppers, the number of the table legs is two, and the two stoppers are respectively placed on the connecting piece above the middle column of the two table legs, and the bottom end surface of the stopper A boss extending downward is provided, and the boss is connected to the upper end surface of the connecting piece, and the limiting member is exposed between the bottom end surface of the boss and the upper end surface of the connecting piece to form a mounting groove An insertion channel is formed between the two installation grooves, and the table board is inserted into the insertion channel; and one of the limiting parts is the hand controller. The stopper is exposed between the bottom end surface of the boss and the upper end surface of the connecting piece to form a mounting groove, and an insertion channel is formed between the two mounting grooves to realize the detachable connection between the table board and the table legs, which is convenient for the table Board disassembly.

Beneficial effect

1. In addition to connecting the beam with the table legs, the connector also connects the internal space of the table legs with the internal space of the beam, so that the cables will not be exposed on the surface of the lifting table and can be connected unimpeded. In order to realize the hiding of the cables, improve the aesthetics and safety; for example, the hand controller set on the top of the connector, the first cable connected to it enters the connector downwards, and then enters the crossbeam after passing through the connector, and finally from the The beam comes out to be connected to the controller. Of course, the cable coming out of the controller can also go from the beam to the inside of the table leg through the connecting piece, and connect with the lifting component inside the table leg.

2. The first cable used to connect the controller on the hand controller passes through the cable channel, the hollow channel and the outlet in turn and connects to the controller. The first cable is hidden in the table legs and beams to avoid the first The cables are exposed, which eliminates potential safety hazards and makes the overall appearance more beautiful; the hand controller is set on the top of the table legs, with a unique position, which can not only conspicuously inform the user of its location, but also not make the appearance of the lifting table abrupt, perfect The ground is integrated with the body of the lift table, and the appearance is simple and eye-catching.

3. At the same time, the controller and the lifting component are connected through the second cable, and the avoidance hole is provided on the avoidance groove, and the tail end of the second cable passes through the outlet, the hollow channel, the avoidance groove and the avoidance hole in sequence and Extending into the lifting channel to connect with the lifting component, the second cable is also hidden in the beam and the table leg without being exposed, so there is no potential safety hazard and it is more beautiful.

4. The column and the connecting piece are detachably connected, and the connecting piece is plugged and matched with the hollow channel on the beam, which is convenient for the disassembly and assembly of the column, the connecting piece and the beam, and the assembly and disassembly can be completed without welding. There is an avoidance groove on the connecting piece to form a cable passage, which not only plays the role of hiding the first cable and the second cable, but also after removing the connecting piece, the column and the beam are common parts, which can be used on other tables .

5. Since the connecting piece itself is integrally formed, the connecting piece has a first connecting part and a second connecting part. During the assembly process, only the first connecting part and the table legs need to be assembled, and the second connecting part is inserted into the In the hollow channel on the beam, there is no need to assemble the connecting piece itself, which reduces the installation steps and makes the assembly more convenient; the connecting piece itself is formed in one piece, and there is no need to assemble the connecting piece itself, which reduces the assembly tolerance and makes the structural strength stronger. powerful.

Description of drawings

Fig. 1 is the structural representation of lift table in embodiment 1;

Fig. 2 is a schematic structural diagram of the lifting table under another viewing angle in embodiment 1;

Fig. 3 is the partial explosion schematic diagram of lifting table in embodiment 1;

Fig. 4 is the schematic structural view and partial enlarged view of the lifting table when there is no table plate in embodiment 1;

Fig. 5 is a schematic structural view of the lifting table without the table board and the limiter in embodiment 1;

Fig. 6 is the structural representation of support arm in embodiment 1;

Figure 7 is an enlarged view of part A in Figure 5;

Fig. 8 is a schematic diagram of the local structure in the state where the beam and the table legs are disassembled in Embodiment 1;

Fig. 9 is a schematic structural view of the protective part in embodiment 1;

Fig. 10 is a schematic structural view of a connector in Embodiment 1;

Fig. 11 is the local structure schematic diagram of beam in embodiment 1;

Fig. 12 is a schematic diagram of hidden cable routing of the table in Embodiment 1;

Fig. 13 is a schematic view of the structure of the table legs in the disassembled state in Embodiment 1;

Fig. 14 is a schematic structural view and a partially enlarged view of the lifting table in Embodiment 2;

Fig. 15 is a schematic diagram of the partial structure of the assembled hand controller, connectors, beams and table legs in Embodiment 2;

Fig. 16 is a schematic diagram of the partial structure of the hand controller, connectors, beams and table legs in the disassembled state in Embodiment 2;

Fig. 17 is a schematic structural view of the connector in embodiment 2;

Fig. 18 is a schematic structural diagram of the connector from another perspective in Embodiment 2;

Figure 19 is a top view of the connector in Embodiment 2;

FIG. 20 is an isometric cross-sectional view of A-A of FIG. 19 .

The reference signs are: 1-table board, 2-beam, 3-table leg, 4-column, 5-sleeve, 6-supporting foot, 7-installation groove, 8-limiting piece, 9-connecting piece , 10-boss, 11-hand controller, 12-connecting part, 13-socket part, 14-hollow channel, 15-fixing piece, 16-protecting piece, 17-connecting channel, 18-opening, 19-lock Tongue, 20-protrusion, 21-mounting block, 22-groove, 23-positioning hole, 24-first cable, 25-second cable, 26-avoidance slot, 27-entry port, 29-avoidance Mouth, 30-wire box, 31-first avoidance section, 32-second avoidance section, 33-third avoidance section, 34-avoidance hole, 35-support arm, 36-hanging hole, 37-hook, 38-installation Board, 39-drive motor, 40-controller, 41-first connecting part, 42-second connecting part, 43-wiring channel, 44-lifting channel, 45-protruding seat, 46-bump, 47-inlet Wire opening, 48-wire opening, 50-slot.

Embodiments of the present invention

Embodiment 1: As shown in Figures 1-13, the present invention provides an elevating table, which includes a table board 1, a beam 2 and two vertically arranged table legs 3, and the two table legs 3 face each other Mounting slots 7 extending along the width direction of the table legs 3 are provided on the inner walls of both sides of the table. An insertion channel is formed between the two installation slots 7 . The crossbeam 2 is located at the bottom of the tabletop 1, the upper end of the crossbeam 2 is against the lower end of the tabletop 1, the crossbeam 2 and the tabletop 1 are connected by screws, and the two ends of the crossbeam 2 are detachably connected with the two table legs 3 respectively.

This solution also includes two limiters 8 . As shown in FIG. 4 , each table leg 3 includes a column 4 , and a connecting piece 9 is arranged on the column 4 . The connecting piece 9 covers the column 4 and is connected with the column 4 by screws. The connecting pieces 9 on the two uprights 4 are all connected to the crossbeam 2 to realize the detachable connection between the crossbeam 2 and the table legs 3 . Simultaneously, the bottom end of the limiting member 8 is provided with a boss 10 extending downward, and the boss 10 abuts against the upper surface of the connector 9 and is connected with the connector 9 by a screw, and the limiting member 8 is exposed at the bottom of the boss 10 An installation groove 7 is formed between the end surface and the upper end surface of the connecting piece 9 .

It is easy to understand that after removing the limiter 8 and the crossbeam 2 in the above structure, the table leg 3 is a common standard part, which can be used for the assembly of other tables, or can directly use the table legs 3 of other tables to install on the table superior. And the limiting part 8 is fixed on the connecting part 9 by screws, and the connecting part 9 is fixed on the column 4 by screws, only two times are needed to realize three-way fixing, simplifying the parts and assembly process, realizing quick installation and reducing the Assembly errors.

And in order to make the crossbeam 2 also be a general part and can be used for the bottom of other table tops 1. In this solution, the connecting member 9 and the beam 2 are connected in a detachable manner.

Specifically, as shown in FIG. 11 , in this solution, the crossbeam 2 is provided with a hollow passage 14 extending along its own length, and the hollow passage 14 runs through both ends of the crossbeam 2 . As shown in FIG. 10 , the connector 9 includes an insertion portion 13 and a connection portion 12 , the insertion portion 13 is inserted into the hollow channel 14 and connected to the beam 2 by screws. More specifically, the hollow passage 14 is provided with a fixing piece 15, the thickness of the connecting portion 12 is smaller than the thickness of the insertion portion 13, and the screw penetrates the part of the insertion portion 13 protruding from the connection portion 12 and connects with the fixing piece 15 in the hollow passage 14. threaded connection. The connecting portion 12 is exposed outside the hollow channel 14 and covers the column 4 and is connected to the column 4 by screws.

In this solution, the column 4 can also be detachably provided with a protective piece 16, as shown in FIG. Specifically, in this solution, the protective member 16 is provided with a connecting channel 17 that runs through its upper and lower ends. As shown in FIG. The column 4 is inserted into the connecting channel 17 of the guard 16 , and the locking tongue 19 snap fits with the through hole. Of course, it is also feasible that a through hole is provided on the inner wall of the connecting channel 17 and that a locking tongue 19 is provided on the outer wall of the column 4 .

An opening 18 communicating with the connecting channel 17 is also provided on the side wall of the guard 16 . The connecting portion 12 protrudes into the connecting channel 17 through the opening 18 so that the guard 16 wraps around the peripheral sidewall of the connecting portion 12 . And because the thickness of the connecting portion 12 is smaller than that of the inserting portion 13 , when the connecting portion 12 extends into the connecting channel 17 through the opening 18 , the portion of the inserting portion 13 protruding from the connecting portion 12 will abut against the outer wall of the protective member 16 . Screws are inserted on the connecting portion 12, and the screws are threadedly connected with the columns 4 in the connecting channel 17. It is only necessary to insert the connecting portion 12 into the opening 18 on the side wall of the protective piece 16. The opening 18 on the protective piece 16 has positioned the connecting portion 12 left and right, and the part of the plug-in portion 13 protruding from the connecting portion 12 is in contact with the protective piece. The offsetting of the outer walls of the parts 16 also realizes the forward and backward positioning of the connecting portion 12, and there is no need to find the correct positioning during the assembly process, which reduces assembly errors and is convenient and quick.

In order to facilitate the installation of the limiting member 8, the top surface of the protective member 16 is provided with a protrusion 20, and the bottom surface of the boss 10 at the bottom of the limiting member 8 is provided with a slot, and the boss 10 is against the upper surface of the connecting member 9. When, the protrusion 20 is embedded in the slot to realize the positioning. Of course, it is also feasible that the top surface of the protective member 16 is provided with a slot, and the bottom surface of the bottom boss 10 of the limiting member 8 is provided with a protrusion 20 . The positioning of the limiting member 8 is achieved through the cooperation of the protrusion 20 and the embedded groove. During the process of installing the limiting member 8, it is not necessary to locate the limiting member 8, which is convenient and quick, and also reduces assembly errors. And the boss 10 abuts against the upper end surface of the connector 9 so that the protrusion 20 is inserted into the slot. A mounting block 21 is also provided on the connecting piece 9, and the mounting block 21 is against the side wall of the boss 10, and the mounting block 21 and the boss 10 are connected by screws.

In this solution, one of the two limiting parts 8 is a hand controller 11 . By setting the hand controller 11 on the top of the table legs 3, the table board 1 is located between the two table legs 3, then the hand controller 11 is located outside the side of the table board 1, and the height of the hand controller 11 exceeds the table board 1, the user is not easy to mistakenly touch the control interface of the hand controller 11 when working at the desk.

And the table also includes a lifting assembly and a controller 40 . The hand controller 11 is connected to the lifting assembly through the controller 40, and the lifting assembly acts on the table top 1 to drive the table top 1 to do the lifting action. Specifically, in this solution, the table leg 3 also includes a sleeve 5 and a supporting foot 6 , the sleeve 5 is vertically arranged on the supporting foot 6 , and the column 4 is inserted into the sleeve 5 to fit with the sleeve 5 . The lifting assembly acts on the column 4 to drive the column 4 to slide along its own length relative to the sleeve 5. When the column 4 slides, it drives the table 1 and the hand controller 11 to perform synchronous lifting action. More specifically, a lifting channel extending along the length direction of the column 4 is arranged inside the column 4, and the lifting components are arranged in the lifting channel. The lifting assembly is a drive motor 39 and a screw nut mechanism commonly used in the art. Its structure is well known to those skilled in the art, and it is not an invention point of the table, so it will not be described too much.

And in order to facilitate the assembly of the table leg 3, the bottom end surface of the sleeve 5 in the table leg 3 is provided with a threaded hole, as shown in Figure 13, the support foot 6 is provided with a groove 22, and the groove bottom of the groove 22 is provided with a positioning Holes 23, screws are inserted in the positioning holes 23. When the bottom of the sleeve 5 is embedded in the groove 22 , the screw passes through the positioning hole 23 and is threadedly connected with the threaded hole. By being provided with a groove 22 on the support foot 6, the bottom of the sleeve 5 is embedded in the groove 22, that is, the left and right limit of the table leg 3 is realized to avoid the shaking of the table leg 3, and the search for the table leg 3 during installation is also eliminated. Accurate positioning, convenient and fast, reducing assembly errors.

In this solution, the hand controller 11 is connected to the controller 40 through a first cable 24 , and the controller 40 is connected to the driving motor 39 in the lifting assembly through a second cable 25 . In order to prevent the cables from being exposed outside the table, the controller 40 is installed on the bottom surface of the table 1 in this solution, and the table legs 3 are provided with passageways for cables. Specifically, an avoidance groove 26 is provided on the upper end surface of the connecting piece 9 to form the wire passing channel. And one end of the escape groove 26 passes through the side end wall of the connecting piece 9 inserted into the hollow channel 14 of the beam 2 and communicates with the hollow channel 14 . Meanwhile, as shown in FIG. 11 , the beam 2 is provided with a wire inlet 27 and a wire outlet (not shown), and the wire inlet 27 is the opening formed by the hollow channel 14 passing through both ends of the beam 2 . The wire outlet is arranged on the side wall of the beam 2 close to the controller 40 . In addition, the hollow channel 14 of the crossbeam 2 is provided with a fixing part 15 for connecting the connecting part 9 , and in order to facilitate the passing of the first cable 24 , an escape opening 29 is provided on the fixing part 15 .

The head end of the first cable 24 connected to the hand controller 11 installed on the top of the connector 9 is connected to the hand controller 11, and the tail end of the first cable 24 passes through the avoidance groove 26 and the avoidance opening in turn. 29 and the outlet are connected to the controller 40, thereby preventing the first cable 24 from being exposed, eliminating potential safety hazards, and making the overall appearance more beautiful.

Furthermore, as shown in FIG. 2 and FIG. 3 , a wire box 30 is provided on the bottom surface of the table top 1 , and the above-mentioned controller 40 is located inside the wire box 30 . And one end of the junction box 30 is in contact with the crossbeam 2 , and the tail end of the first cable 24 needs to pass through the end wall of the side of the junction box 30 and the crossbeam 2 to be connected to the controller 40 after passing through the outlet. The controller 40 is accommodated by the wire box 30 to protect the controller 40 to a certain extent, and the part of the first cable 24 exposed outside the beam 2 is also covered by the wire box 30 , which is safer and more reliable.

Since there is no need to find the correct positioning during the reassembly process for the connecting part 9 and the protective part 16, the assembly error is reduced. The thickness of the connecting portion 12 on the connecting piece 9 is smaller than the thickness of the inserting portion 13 . Please refer to FIG. 10 , in this solution, the avoidance groove 26 is divided into a first avoidance section 31, a second avoidance section 32 and a third avoidance section 33 along its own length direction. The first avoidance section 31 is arranged on the upper end surface of the connecting part 12, The third escape section 33 is disposed on the upper surface of the insertion portion 13 , and the depth of the escape groove 26 in the first escape section 31 is smaller than the groove depth of the third avoidance section 33 . Therefore, it is avoided that the groove depth of the first escape section 31 is too deep and penetrates the upper and lower end surfaces of the connecting portion 12 so that the cable loses its position.

However, if the first escape section 31 directly transitions to the third avoidance section 33, a step will appear, and the edge of the step will contact the outer wall of the cable, causing the cable to wear. In this solution, the head end of the second avoidance section 32 is connected to the first avoidance section 31 , and the depth of the groove at the head end of the second avoidance section 32 is the same as that of the first avoidance section 31 . The tail end of the second avoidance section 32 is connected with the third avoidance section 33 and the second avoidance section 32 head end groove depth is the same as the third avoidance section 33 groove depth, and the groove depth of the escape groove 26 in the second avoidance section 32 is determined by the second The avoidance section 32 is gradually deepened from the head end to the tail end.

And in order to make the second cable 25 also hidden among the table legs 3 and the beam 2 . In this solution, a wire passing hole is provided on the escape groove 26 of the connecting piece 9 . Specifically, the wire passing hole is located at the end of the above-mentioned first escape section 31 away from the beam 2 . The wire passing hole communicates with the connection channel 17 in the above-mentioned guard 16 and the lifting channel in the column 4 . The head end of the second cable 25 is connected with the controller 40, and the tail end of the second cable 25 passes through the outlet, the avoidance opening 29, the avoidance groove 26, the wire hole and extends into the lifting passage and the lifting assembly in turn. The drive motor 39 is connected, this structure makes the second cable 25 also hidden in the beam 2 and the table leg 3 without being exposed, there will be no potential safety hazard, and it is more beautiful.

In addition, as shown in Figures 2 and 3, a plurality of brace arms 35 are also arranged on the crossbeam 2 in this solution, and each brace arm 35 extends along the width direction of the crossbeam 2, and the upper end surface of the brace arm 35 is in contact with the table. The lower end surfaces of the board 1 are opposed, and the supporting strength of the bottom of the table board 1 is improved through a plurality of bracket arms 35 .

And the connection mode between the support arm 35 and the side wall of the beam 2 is a detachable connection. Specifically, please refer to FIG. 6 and FIG. 7 , the bracket arm 35 is provided with a hanging hole 36 , and the side wall of the beam 2 is provided with a hook 37 . At the same time, the supporting arm 35 is provided with a downwardly extending mounting plate 38. When the hook 37 is hooked in the hanging hole 36, the mounting plate 38 is against the side wall of the crossbeam 2, and the mounting plate 38 and the crossbeam 2 are connected by screws. Fixed connection. Of course, it is also feasible that the bracket arm 35 is provided with a hook 37 and the side wall of the beam 2 is provided with a hanging hole 36 .

The above schematically describes the present invention and its implementation, which is not restrictive, and what is shown in the drawings is only one of the implementations of the present invention, and the actual structure is not limited thereto. Therefore, if a person of ordinary skill in the art is inspired by it, without departing from the inventive concept of the present invention, without creatively designing a structural mode and embodiment similar to the technical solution, it shall all belong to the protection scope of the present invention .

Embodiment 2: Compared with Embodiment 1, this embodiment differs only in the structure of the connector and the connection method between adjacent components and the connector.

As shown in FIGS. 14-20 , the lift table includes a hand controller 11 , a table board 1 , a beam 2 , table legs 3 and a connecting piece 9 . The length direction of the beam 2 is perpendicular to the length direction of the table legs 3, and the beam 2 is provided with a hollow channel 14 extending along its length direction.

In this solution, please refer to FIGS. 17-20 , the connecting piece 9 itself is integrally formed, and the connecting piece 9 has a first connecting portion 41 and a second connecting portion 42 . Wherein the first connecting portion 41 is detachably connected to the table leg 3 . Specifically, the connecting piece 9 is provided with a slot 50 on the bottom end surface of the first connecting portion 41 , and the table leg 3 is inserted into the slot 50 and screwed in to connect with the connecting piece 9 . The second connecting portion 42 is inserted into the hollow channel 14 of the beam 2 and relatively fixed to the beam 2 . Since the connecting piece 9 itself is integrally formed, the connecting piece 9 has a first connecting portion 41 and a second connecting portion 42, as shown in Fig. 15 and Fig. 16, only the first connecting portion 41 and the table leg 3 need to be adjusted Assembling between them, and inserting the second connecting part 42 into the hollow channel 14 on the beam 2, there is no need to assemble the connecting piece 9 itself, which reduces the installation steps and makes the assembly more convenient. At the same time, since the connecting piece 9 itself is integrally formed, there is no need to assemble the connecting piece 9 itself, which reduces assembly tolerances, reduces variables, and has stronger structural strength.

At the same time, a wiring channel 43 is also provided on the connecting piece 9, and the wiring channel 43 extends along the length direction of the second connecting part 42 and passes through one end surface of the second connecting part 42 located in the hollow channel 14 to communicate with the hollow channel 14. . Moreover, a wire inlet opening 47 is also provided on the connecting piece 9 . Specifically, the connecting piece 9 is provided with an upwardly extending protrusion 45 on the top end surface of the first connecting portion 41 thereof. The top end surface of the boss 45 is provided with the above-mentioned wire inlet opening 47 .

And in this solution, the number of table legs 3 and connecting parts 9 are two, and the two table legs 3 are respectively connected to the crossbeam 2 through one connecting part 9, and the two table legs 3 are respectively arranged at both ends of the crossbeam 2, and The second connecting portions 42 of the two connecting pieces 9 are respectively inserted into openings at both ends of the hollow channel 14 . The lifting table also includes two limiting parts 8, and the two limiting parts 8 are respectively arranged on the top ends of the protrusions 45 on the two connecting parts 9.

In order to facilitate the assembly of the limiting member 8 , as shown in FIG. 16 , the bottom end of the limiting member 8 is provided with a protrusion 46 extending downward. The protrusion 46 is inserted into the wire inlet opening 47 to realize plug-in fit. And preferably, in this solution, an installation groove 7 is formed between the bottom end surface of the stopper 8 exposed outside the convex seat 45 and the top surface of the connector 9, and an insertion channel is formed between the two installation grooves 7, and the table plate 1 is inserted into the insertion channel to keep relatively fixed with the beam 2 and the table legs 3. The table board 1 can be assembled or disassembled by directly inserting or withdrawing from the insertion channel formed between the two installation grooves 7, which is convenient and fast.

And in this solution, one of the two limiting members 8 is the above-mentioned hand controller 11 . A controller is also arranged on the bottom surface of the table top 1, and the hand controller 11 is connected to the controller through a first cable. In order to hide the first cable, as shown in FIG. 15 and FIG. 16 , the beam 2 is provided with an outlet, and the outlet is connected to the above-mentioned hollow channel 14 . The head end of the first cable is connected to the hand controller 11 , and the tail end of the first cable passes through the wire inlet opening 47 , the wire passing channel, the hollow channel 14 and the wire outlet in sequence and is connected to the controller. The first cable is hidden through the connecting piece 9 and the beam 2, which is safer and the appearance of the lift table is more beautiful. And the above-mentioned wire inlet opening 47 can not only play the role of wire inlet, but also can play the role of matching with the bump 46 for insertion.

There is also a lifting component on the table 1, and the controller is connected with the lifting component, and the controller can control the lifting component to drive the table 1 to perform the lifting action. Preferably, in this solution, the lifting table further includes a second cable, and the connecting member 9 is provided with a cable opening 48 on the bottom end surface of the first connecting portion 41 , and the cable opening 48 communicates with the above-mentioned cable channel 43 . The table leg 3 includes a sleeve 5 and a column 4, wherein the column 4 is inserted into the sleeve 5 and fits with the sleeve 5, the column 4 is provided with a lifting channel 44, and the lifting assembly is placed in the lifting channel 44, The lifting assembly acts on the column 4 to drive the column 4 to slide along its own length relative to the sleeve 5. The lifting assembly is a drive motor and a screw nut mechanism commonly used in the art, and its structure is well known to those skilled in the art. , is not the invention point of the table, so I won't make too many descriptions. The head end of the second cable is connected with the controller, and the tail end of the second cable passes through the outlet, the hollow channel 14, and the cable opening 48 in turn and extends into the lifting channel 44 to be connected with the lifting assembly, so that the second cable cables to hide.

Since the structure of the connecting piece in this embodiment is as shown above, there is no need to set up a protective piece. The integrally formed connecting piece in this embodiment is equivalent to the connecting piece in Example 1 plus a protective piece. Relatively speaking, the integrally formed connecting piece Components make the overall assembly quicker and easier.

Claims

An elevating table, characterized in that it includes a table board, an elevating assembly and table legs, the inside of the table leg is hollow, and a hand controller and a crossbeam are arranged on it, and the length direction of the crossbeam is in line with the length direction of the table leg perpendicular to each other, the table board is covered on the upper end surface of the beam, a controller is arranged on the bottom end surface of the table board, the hand controller is connected to the controller through a first cable, and the The crossbeam is provided with a hollow passage extending along its own length direction, and a wire inlet and an outlet connected to the hollow passage. A connecting piece is provided between the table leg and the crossbeam, and the connecting piece can be connected with the table leg or the crossbeam. Detachably connected, the connecting piece is configured to connect the table leg with the crossbeam and make the two internally communicated, and the cable can enter the table leg or the crossbeam respectively through the connecting piece; the hand controller is arranged on the top of the connecting piece, and the The head end of the first cable is connected with the hand controller, and the tail end of the first cable enters the hollow channel through the connecting piece, then leaves from the outlet and is connected with the controller; the controller is connected with the lifting The components are connected, and the lifting component acts on the table to drive the table to lift.
The lift table according to claim 1, further comprising a protective piece, the protective piece wraps the peripheral side wall of the connecting piece exposed outside the crossbeam, and the protective piece and the table leg Detachable connection.
The lifting table according to claim 2, characterized in that: the protective member is provided with a connecting channel that runs through its upper and lower ends, and one of the inner wall of the connecting channel and the outer wall of the table legs is provided with a locking tongue, so that The other one of the inner wall of the connection channel and the outer wall of the table leg is provided with a through hole, the table leg is inserted into the connection channel, and the lock tongue is snap-fitted with the through hole; and the protective piece The side wall is provided with an opening communicating with the connecting channel, and the connecting piece extends into the connecting channel through the opening so that the protective piece wraps the peripheral side wall of the connecting piece; and the connecting piece is inserted into the There are screws, and the screws are threadedly connected with the table legs in the connecting channel.
The lifting table according to claim 3, characterized in that: the connecting part includes a plug-in part and a connecting part, the plug-in part is inserted into the hollow channel, and the connecting part is provided with an avoidance groove, so The avoidance groove is arranged laterally on the upper surface of the socket part and the connecting part and communicates with the hollow channel, and the tail end of the first cable passes through the avoidance groove, the hollow channel and the outlet in sequence and is connected to the controller ; the connecting portion extends into the connecting channel from the opening; and the thickness of the connecting portion is smaller than the thickness of the plugging portion, when the connecting portion extends into the connecting channel, the plugging part against the outer wall of the guard; the avoidance groove is divided into a first avoidance section, a second avoidance section and a third avoidance section along its length direction, and the first avoidance section is arranged on the connecting part The end face, the third avoidance section is arranged on the upper end surface of the insertion part, the groove depth of the first avoidance section is smaller than the groove depth of the third avoidance section, and the head of the second avoidance section end is connected with the first escape section and has the same groove depth, the tail end of the second avoidance section is connected with the third avoidance section and has the same groove depth, and the groove depth of the avoidance groove in the second avoidance section is determined by the second avoidance section The direction from the head end to the tail end of the second avoidance section gradually deepens.
The lift table according to claim 1, characterized in that: the connecting piece itself is integrally formed, the connecting piece has a first connecting portion and a second connecting portion, and the first connecting portion and the table legs can be The connection is disassembled, the second connecting part is inserted into the hollow channel and kept relatively fixed with the beam, the connecting piece is provided with a routing channel, and the routing channel communicates with the hollow channel, and A wire inlet opening is provided on the connecting piece, and the wire inlet opening communicates with the wire routing channel.
The lift table according to claim 5, characterized in that: the connecting part is provided with a slot on the bottom end surface of the first connecting part, and the table leg is inserted into the slot to be connected with the connecting part .
The lift table according to claim 1, wherein the hollow channel runs through both ends of the beam to form the cable inlet, and the connecting piece is inserted into the hollow channel through the cable inlet.
The lift table according to claim 7, wherein the table leg includes a column, the connecting piece is detachably arranged above the column, and the top end of the connecting piece is provided with an avoidance groove, and the avoidance groove runs through One end of the connecting piece communicates with the hollow passage, and the tail end of the first cable passes through the avoidance groove, the hollow passage and the cable outlet in sequence and is connected with the controller.
The lifting table according to claim 8, wherein a fixing piece is arranged in the hollow channel, the connecting piece is connected to the fixing piece by screws, and an escape opening is arranged on the fixing piece, the The tail end of the first cable passes through the avoidance groove, escape opening and cable outlet in sequence and is connected to the controller.
The lifting table according to claim 8, further comprising a second cable, the avoidance groove is provided with a wire hole, and the wire hole passes through the connecting piece and connects with the connecting channel, so The table legs also include sleeves and supporting feet, the sleeves are vertically arranged on the supporting feet, the uprights are inserted into the sleeves and fitted with the sleeves, and the inside of the uprights A lifting channel is provided, the lifting assembly is placed in the lifting channel, the lifting assembly acts on the column to drive the column to slide along its own length relative to the sleeve, and the second cable The head end of the second cable is connected to the controller, and the tail end of the second cable passes through the outlet, the hollow channel, the avoidance groove and the avoidance hole in sequence, and extends into the lifting channel to connect with the lifting assembly.
The lift table according to claim 1, further comprising a wire box, the wire box is arranged on the bottom surface of the table, the controller is located in the wire box, and one end of the wire box It is against the beam, and the outlet is located inside the wire box; the tail end of the first cable passes through the connector, the hollow channel, the wire outlet, the end wall of the side of the wire box and the beam in turn, and connects with the control connected to the device.
The lift table according to claim 1, characterized in that it further comprises two limiting parts, the number of said table legs is two, and the two limiting parts are respectively placed on the connecting parts above the two table legs, The bottom end surface of the limiting member is provided with a boss extending downwards, the boss is connected to the upper end surface of the connecting member, and the limiting member is exposed on the bottom end surface of the boss to connect with the connecting member. An installation slot is formed between the upper end surfaces of the parts, and an insertion channel is formed between the two installation slots, and the table board is inserted into the insertion channel; and one of the limiting parts is the hand controller.