WO2019001506A1

WO2019001506A1 - Lifting table and support structure thereof

Info

Publication number: WO2019001506A1
Application number: PCT/CN2018/093293
Authority: WO
Inventors: 陈工
Original assignee: 陈工
Priority date: 2017-06-28
Filing date: 2018-06-28
Publication date: 2019-01-03

Abstract

Provided in the present invention are a support structure and a lifting table, the support structure comprising support assemblies which are oppositely arranged on left and right sides, a top beam assembly, a bottom beam assembly and an auxiliary power component; the top beam assembly comprises a top beam, as well as a first upper connecting portion and a second upper connecting portion which are disposed on a top beam; the bottom beam assembly comprises a bottom beam, as well as a first lower connecting portion and a second lower connecting portion which are disposed on the bottom beam; an upper end of a front beam of the support assembly is hinged to the first upper connecting portion, and a lower end is hinged to the first lower connecting portion, while an upper end of a rear beam of the support assembly is hinged to the second upper connecting portion, and a lower end is hinged to the second lower connecting portion, the front beam, the bottom beam, the rear beam and the top beam forming a parallelogram; a fixed end of the auxiliary power component is hinged to the rear beam and is close to the second lower connecting portion, while a telescopic end of the auxiliary power component is connected to the top beam assembly, the telescopic end being connected to the top beam assembly between the first upper connecting portion and the second upper connecting portion. After a lifting table employs the support structure provided by the present invention, the lifting table may be extended and retracted more freely, having a small floor area, and saving materials.

Description

Lifting table and support structure thereof

Technical field

The present invention relates to the field of lift table equipment, and in particular to a support structure for a lift table, and a lift table having the support structure.

Background technique

Due to the needs of modern life and work, many people must maintain a long-term sitting position for focused labor; according to medical research, long-term sitting posture will increase cardiovascular disease, diabetes and obesity; for those who maintain a long sitting position for a single day Will increase its chance of dying from cardiovascular disease by 50%; maintaining the sitting posture will slow down the circulation of lipase in the human body and reduce the absorption of fat by the human body. When standing, the muscle will promote the action of lipase and promote the treatment of the human body. Fat and cholesterol, which came into being a relatively high workbench used when standing, but the use of high workbench also has the disadvantage of taking up space and increasing costs, which is not necessary for both sitting and using. The standing table is used to solve the corresponding technical problems.

Utility model content

In order to at least partially solve the problem of increasing the cost of the existing work table or the existing space in the workbench, the present invention provides a support structure for a lift table, comprising a support assembly disposed opposite to the left and right, and a top beam assembly disposed opposite to the left and right. a bottom beam assembly disposed oppositely to the left and right and an auxiliary power member disposed opposite each other; each of the top beam assemblies includes a top beam and a first upper connecting portion and a second upper connecting portion disposed on the top beam; each The bottom beam assembly includes a bottom beam and a first lower connecting portion and a second lower connecting portion disposed on the bottom beam; each of the support assemblies includes a front beam and a back beam; each of the auxiliary power members has a fixed An end portion and a telescopic end; wherein an upper end of the front beam is hinged to the first upper connecting portion, a lower end is hinged to the first lower connecting portion, and an upper end of the rear beam is hinged to the second upper connecting portion and a lower end Hinged to the second lower connecting portion, the front beam, the bottom beam, the back beam and the top beam form a parallelogram; the fixed end of the auxiliary power member is hinged on the back beam and adjacent to the a second connecting portion, the telescopic end of the auxiliary power member is coupled to the top beam assembly, and the telescopic end is at the first upper connecting portion and the second upper connecting portion as viewed from a side of the lifting table Connected to the top beam assembly.

Preferably, the support structure further includes an upper beam, and both ends of the upper beam are connected to the top beam between the first upper connecting portion and the second upper connecting portion.

Preferably, the support structure further comprises a lower beam, each of the bottom beam assemblies further comprising a bottom beam extension, the bottom beam extension being connected to a rear end of the bottom beam, both ends of the lower beam Connected to the bottom beam extension.

Preferably, each of the top beam assemblies further includes a fixing member and a top beam protection plate, the fixing member being disposed at a top of the top beam for fixing a first table of the lifting table; the top beam protection plate And disposed on an outer side of the top beam to cover the first upper connecting portion and the second upper connecting portion.

Preferably, the fixing member includes a horizontal fixing plate and a vertical fixing plate connected to an inner side of the horizontal fixing plate at a lower side, and a telescopic end of the auxiliary power member is connected to the vertical fixing a plate for fixing the first table.

Preferably, each of the top beam assemblies further includes a suspension, the suspension is disposed at a front end of the fixing member, and the suspension is configured to fix a second table of the lifting table, wherein the The second table is lower than the first table, and the front end of the second table protrudes from the first table.

Preferably, the first table top is in a "concave" shape, the first table "concave" shaped notch is placed forward, and the fixing member extends in the front-rear direction to the "concave" shape of the first table Part.

Preferably, the lower end of the suspension has a hook-like structure, and the hook-shaped structures of the suspension are oppositely disposed for fixing the second table of the lifting table on both sides.

Preferably, each of the bottom beam assemblies further includes a bottom beam shield and a protective sheet, the bottom beam shield being mounted on an outer side of the bottom beam to cover the first lower connecting portion and the first a lower connecting portion, the protective sheet is located outside the bottom beam extension to cover an end surface of the lower beam.

Preferably, each of the top beam assemblies further includes a top beam extension connected to the front end of the top beam such that the support structure has a "Z" shape when viewed from a side of the lift table.

Preferably, a connection point of the telescopic end of the auxiliary power member and the top beam assembly is at a midpoint of an upper side of the parallelogram.

Preferably, the support structure further includes a lock switch, the lock switch includes a wrench, a transmission rod, a paddle, a fixing member and a transmission cable; the wrench has a fixed end and a movable end; wherein the transmission rod Provided on the top beam assembly and extending in the left-right direction, the fixed end of the wrench is connected to one end of the transmission rod, and the other end of the transmission rod is connected to the upper end of the paddle, wherein The transmission cable is placed in the front-rear direction, the lower end of the pick-up piece is connected to the front end of the transmission cable, the rear end of the transmission cable is connected to the telescopic end of the auxiliary power component, and the transmission cable is provided by the The fixing member is fixed.

Preferably, the cross section at both ends of the transmission rod has a polygonal structure.

Preferably, the upper end of the pick-up piece is provided with a through hole, the through-hole is a polygonal through-hole, a polygonal structure at both ends of the transmission rod is matched with the polygonal through-hole, and a lower end of the pick-up piece defines a first key groove. The front end of the transmission cable is connected to the first keyway.

Preferably, the lock switch further includes a rebounding member; the resilient member includes a first resilient member and a second resilient member; the first resilient member is disposed at a front end of the transmission cable, and Located between the paddle and the fixing member, the second resilient member is disposed between a rear end of the transmission cable and a telescopic end of the auxiliary power member.

Preferably, the fixing member has a "冂"-shaped structure from the side of the lifting table, and the top of the "冂"-shaped structure is fixed to the first table of the lifting table, the "冂" The front portion of the structure is provided with a second keyway, and the transmission cable is inserted into the second keyway.

Preferably, the rear portion of the "冂"-shaped structure is provided with an inverted "L"-shaped positioning groove, and the positioning groove has an opening at an edge of the "冂"-shaped structure to enable the transmission cable to pass The opening enters and remains in the positioning slot.

Preferably, a rubber protective sleeve is disposed on an outer circumferential surface of the transmission cable.

Preferably, the telescopic end of the auxiliary power member is provided with a cable connection portion, the cable connection portion is connected to a rear end of the transmission cable, and the second resilient member is disposed at the cable connection portion. Between the rear end of the transmission cable.

According to another aspect of the present invention, there is also provided a lift table comprising any of the support structures described above.

The support structure provided by the invention has a parallelogram structure as a whole, which not only solves the problem of occupying space existing in the existing work table or the work table, but also increases the cost; and the auxiliary component forms an auxiliary tension effect by the auxiliary power component, and at the same time, the auxiliary The support point of the power component is located on the upper side of the parallelogram, and the support cushioning effect is excellent, and it can be retracted freely. Since the vertical descending gravity greatly causes the risk of pinching, the lifting table adopts the supporting structure of the invention, not only can prevent the risk of pinching, but also does not generate noise when stowed, which brings convenience to the user; for the user After sitting for a long time, the lifting table is propped up, and working through the standing state can effectively alleviate the discomfort and achieve the technical effect of relaxing the body.

The lock switch structure provided by the utility model can not only solve the problem that the design of the existing work table or the work table is unreasonable, and the take-off and landing state is unstable; and the use of the lock switch structure can maintain the lift table during use. In the fixed state, when the user closes the lifting table, the lifting table is completed by the interlocking action of the locking switch structure, saving labor and trouble, the action is completed in one go, and no noise is generated when stowed; in addition, the lifting table is based on the lock switch structure and the auxiliary power The function of the piece can also be automatically raised without human intervention, which is convenient and quick to deploy, and brings convenience to the user.

A series of simplified forms of concepts are introduced in the context of the present invention, which will be described in further detail in the Detailed Description section. The present invention is not intended to limit the key features and essential technical features of the claimed embodiments, and is not intended to limit the scope of protection of the claimed embodiments.

The advantages and features of the present invention are described in detail below with reference to the accompanying drawings.

DRAWINGS

The following drawings of the present invention are used herein as part of the present invention to understand the present invention. The embodiments of the invention and the description thereof are shown in the drawings In the drawing,

Figure 1 is a perspective view of the lift table (with the table removed) in an unfolded state of the present invention;

Figure 2 is a perspective view of the lift table of the present invention in an unfolded state;

Figure 3 is a bottom plan view of the lift table of Figure 2 of the present invention;

Figure 4 is a side view of the lift table of the present invention in a stowed state;

Figure 5 is an exploded view of the upper part of the lifting table of the present invention;

Figure 6 is a bottom exploded view of the lift table of the present invention.

Detailed ways

In the following description, numerous details are provided in order to provide a thorough understanding of the invention. However, those skilled in the art will appreciate that the following description relates only to the preferred embodiments of the present invention, which may be implemented without one or more such details. Moreover, in order to avoid confusion with the present invention, some of the technical features well known in the art are not described.

According to an aspect of the invention, a support structure for a lift table is provided. The support structure of the present invention adopts a parallelogram shape, and the parallelogram support structure has an advantage over the prior art in that when the user feels fatigue after sitting for a long time, the height of the lift table can be raised by the support structure, and the user stands by The state carries out the desk work to relieve the soreness of the waist. The auxiliary power piece can lift the table top at a constant speed, and the support structure is freely retractable, beautiful in appearance, rich in the sense of the times, and occupying a small space.

Figures 1-6 illustrate, from various angles, the entirety of a support structure and various components or portions included in the support structure in accordance with one embodiment of the present invention. In order to understand the position and function of these components or portions in the support structure, the support structure is first described in its entirety to provide a thorough understanding of the present invention.

As shown in FIG. 1-6, the support structure for the lift table 10 provided by the present invention includes a support assembly 200 disposed opposite to the left and right, a top beam assembly 600 disposed opposite to the left and right, a bottom beam assembly 300 disposed opposite to the left and right, and left and right relative settings. Auxiliary power unit 500. A table top is mounted on top of the support structure to form a lift table.

Each top beam assembly 600 includes a top beam 620, and a first upper connection portion 610 and a second upper connection portion 660 disposed on the top beam 620, see FIGS. 1 and 5.

Each of the sill assembly 300 includes a bottom beam 320, and a first lower connection portion 340 and a second lower connection portion 350 disposed on the bottom sill 320, see FIGS. 1 and 6.

Each support assembly 200 includes a front beam 210 and a back beam 220.

Each of the auxiliary power members 500 has a fixed end 520 and a telescopic end 510. The auxiliary power unit 500 can employ a common gas spring.

The upper end of the front beam 210 is hinged to the first upper connecting portion 610, and the lower end of the front beam 210 is hinged to the first lower connecting portion 340. The upper end of the rear beam 220 is hinged to the second upper connecting portion 660, and the lower end of the rear beam 220 is hinged to the second lower portion. The connecting portion 350, the front beam 210, the bottom beam 320, the rear beam 220, and the top beam 620 integrally form a parallelogram. Illustratively, the two ends of the front beam 210 are between the first upper connecting portion 610 and the second upper connecting portion 660, and/or both ends of the back beam 220 and the first lower connecting portion 340 and the second lower connecting portion 350 The connection can be made by pin.

The fixed end 520 of the auxiliary power member 500 is hinged to the rear beam 220 and adjacent to the second lower connecting portion 350. The telescoping end of the auxiliary power unit 500 is coupled to the top beam assembly 600. The telescopic end 510 of the auxiliary power member 500 is coupled to the top beam assembly 200 between the first upper connecting portion 610 and the second upper connecting portion 660 as seen from the side of the lift table. Preferably, the connection point of the telescopic end 510 of the auxiliary power member 500 to the top beam assembly 200 is at the midpoint of the upper side of the parallelogram. When the telescopic end 510 of the auxiliary power component 500 is connected thereto, the force is most uniform, which ensures that the top beam assembly 200 does not shake forward and backward when it is jacked up, so that the articles placed on the first table 700 are not shaken, so that they can be used. The lifting table 10 is safer and more reliable.

Preferably, the support structure further includes an upper cross member 670. The upper beam 670 can be one or more. The two top beam assemblies 600 are connected by an upper cross member 670 to stabilize the overall support structure. Both ends of the upper beam 670 are connected to the top beam 620 between the first upper connecting portion 610 and the second upper connecting portion 660. Illustratively, the cross section of the upper beam 670 can be oblong. The upper beam 670 and the top beam 620 can be locked by threaded fasteners.

Preferably, the support structure further includes a lower beam 400. The lower beam 400 can be one or more. Each sill assembly 300 also includes a sill extension 360, see FIG. The bottom beam extension 360 is coupled to the rear end of the bottom beam 320. The lower cross member 400 is coupled between the bottom beam extensions 360 to stabilize the overall support structure. Illustratively, the cross section of the lower beam 400 may be oblong. Both ends of the lower beam 400 can be inserted into corresponding grooves in the bottom beam extension 360. Alternatively, the lower cross member 400 can also be coupled to the sill assembly 300 by threaded fasteners or other means. Preferably, the lower beam 400 is plural, and the plurality of lower beams 400 may be arranged in parallel with each other. Alternatively, the plurality of lower beams 400 may also be arranged in a cross, for example, the two lower beams are arranged in an "X" shape.

Preferably, each top beam assembly 600 also includes a top beam extension 690, see also Figures 1 and 5. A top beam extension 690 is coupled to the front end of the top beam 620. Since the rear end of the bottom beam 320 is also connected to the bottom beam extension 360, the support structure has a "Z" shape as seen from the side of the lift table, which is preferably shown in FIG. The Z-shaped support structure has good stability, and the support structure can be made stronger by providing the upper beam and the lower beam.

Preferably, each top beam assembly 600 can include a securing member 680 and a top beam protection panel 630 in addition to the top rail 620, as shown in FIG. A fixing member 680 is provided at the top of the top beam 620 for securing the first table 700 of the lift table. The lift table 700 can include a first table top 700 and a second table top 800. The first tabletop 700 is typically used to place a display of a laptop or desktop computer, and the like. The second table 800 is typically used to place a keyboard or the like. The second table 800 is lower than the first table 700. Illustratively, the fixing members 680 may be symmetrically disposed on the left and right sides. The first table top 700 can be fixed to the top of the fixing member 680. The first table 700 preferably covers the top beam assembly 600 as viewed from above the lift table. The first upper connecting portion 610 and the second upper connecting portion 660 are disposed on the top beam 620, and the top beam protection plate 630 is disposed outside the top beam 620 to cover the first upper connecting portion 610 and the second upper connecting portion 660.

Illustratively, the securing member 680 can include a horizontal securing plate 682 and a vertical securing plate 684, see FIG. The vertical fixing plate 684 is connected to the inner side of the horizontal fixing plate 682 at the lower side. It should be noted that the “inside” and “outside” mentioned herein are relative to the lifting table. For example, the side facing the outside of the lifting table is called the outer side, and the side facing the inside of the lifting table is called the inner side. . The telescopic end of the auxiliary power member 500 is coupled to the vertical fixing plate 684. The horizontal fixing plate 682 is for fixing the first table 700.

Preferably, each top beam assembly 200 can also include a suspension 640 for securing the second table top 800. The suspension 640 may be disposed at a front end of the fixing member 680. The upper end of the suspension 640 may be fixed to the lower surface of the first table 700. The second table 800 can be secured to the lower end of the suspension 640. Optionally, the lower end of the suspension 640 has a hook structure 650, and the hook structures 650 of the two suspensions 640 are oppositely disposed for fixing the second table 800 of the lifting table on both sides.

When two table tops are provided, preferably, the first table top 700 may be "concave" shaped with the "concave" shaped notches of the first table top 700 placed forward. The fixing member 610 extends in the front-rear direction to a "concave"-shaped protruding portion of the first table 700. Preferably, the front end of the second table 800 protrudes from the first table. Illustratively, the second table 800 can be "convex" shaped with the small end of the second table 800 placed rearward. Suspension 640 secures second table 800 on both sides of the small end.

Preferably, each of the bottom beam assemblies 300 may include a bottom beam shield 310 and a protective sheet 330 in addition to the bottom beam 320. The sill guard 310 is mounted on the outside of the bottom beam 320 to cover the first lower connecting portion 340 and the second lower connecting portion 350. The protective sheet 330 is located outside the bottom beam extension 360 to cover the end surface of the lower beam 400. Typically, both ends of the lower beam 400 and the bottom beam extension 360 are locked by threaded fasteners. The protective sheet 330 can cover the end faces of the lower beam 400 and the threaded fasteners to make the appearance flat.

In a preferred embodiment, a cushioning spacer is disposed between the front beam 210 and the rear beam 220. When the supporting structure is stowed, the cushioning gasket can prevent the noise caused by the collision of the front beam 210 and the rear beam 220, and can protect the device from the noise. Damage while avoiding the risk of pinching.

In order to be able to make the operation of the lifting table more secure and reliable, preferably the support structure further comprises a locking switch. In the illustrated embodiment, a lock switch 900 is provided on each side of the top beam assembly 600. However, alternatively, the lock switch 900 can be provided to only one side of the top beam assembly 600. The lock switch 900 will be described in detail below.

The lock switch 900 can include a wrench 910, a drive rod 920, a paddle 930, a fixture 970, and a drive cable 950, see FIG.

The wrench 910 has a fixed end and a movable end. Depending on the external force, the movable end of the wrench 910 can be moved between the locked position and the active position. The transmission rod 920 is disposed on the top beam assembly 600 and extends in the left-right direction. The drive rod 920 can pass through the top beam assembly 600 in the left and right direction to maintain its position by the top beam assembly 600. The fixed end of the wrench 910 is coupled to one end of the transmission rod 920, and the other end of the transmission rod 920 is coupled to the upper end of the paddle 930. The transmission cable 950 is placed in the front-rear direction, the lower end of the paddle 930 is connected to the front end of the transmission cable 950, and the rear end of the transmission cable 950 is connected to the telescopic end 510 of the auxiliary power member. The drive cable 950 is held in its position by the fixture 970.

Preferably, the cross section at both ends of the transmission rod 920 has a polygonal structure. Illustratively, the cross-sectional shape of the two ends of the transmission rod 920 may be a triangle, a diamond shape or a square shape. The shape of the two ends of the transmission rod 920 can better transmit the force between the wrench and the paddle without causing the transmission failure.

Preferably, the upper end of the paddle 930 is provided with a through hole, and the through hole is preferably a polygonal through hole. The polygonal structure at both ends of the transmission rod 920 is matched with the polygonal through hole, and the first key groove is opened at the lower end of the paddle 930 to drive the steel cable 950. The front end is connected to the first keyway.

Preferably, the lock switch 900 further includes a resilient member. The resilient member includes a first resilient member 940 and a second resilient member 960. The first resilient member 940 is disposed at the front end of the transmission cable 950 and is located between the paddle 930 and the fixed member 970. The second resilient member 960 is disposed at the rear end of the transmission cable 950 and the telescopic end of the auxiliary power member 500. between. The first resilient member 940 and the second resilient member 960 can employ a spring or a rebound paddle.

Preferably, the fixing member 970 has a "冂"-shaped structure as seen from the side of the lift table, as shown in FIGS. 1 and 5. The top of the "冂"-shaped structure is fixed to the first table top 700, and the front portion of the "冂"-shaped structure is provided with a second keyway, and the transmission cable 950 is placed in the second key groove. Preferably, the rear portion of the "冂"-shaped structure is provided with an inverted "L"-shaped positioning groove having an opening at the edge of the "冂"-shaped structure. In this way, the drive cable can enter the positioning groove through the opening and remain in the positioning groove.

Preferably, the outer circumferential surface of the transmission cable 950 is provided with a rubber protective cover.

Preferably, the telescopic end 510 of the auxiliary power member is provided with a cable connection portion, the cable connection portion is connected to the rear end of the transmission cable 950, and the second rebound member 960 is disposed behind the cable connection portion and the transmission cable 500 Between the ends.

Preferably, the movable end of the wrench 910 is an elliptical polished structure. By polishing the structure, the risk of scratching when used by the user is prevented, and the user experience is improved.

It should be noted that the orientation terms related to the lifting table referred to herein, such as "high", "low", "front", "back", "left", "right", "upper" and "lower", etc. Both are in a state shown in FIG. 2 with respect to the lift table, that is, a state in which the second table 800 faces the user.

Based on the above-described lock switch, when the rotary wrench 910 simultaneously applies a downward force to the first table 700, the angle between the front beam 210 and the rear beam 220 and the bottom beam assembly 300 is reduced, the auxiliary power member 500 is compressed, and the lift table is The overall height is lowered to meet the sitting posture; and when the lifting table is in the stowed state, the transmission cable 950 causes the auxiliary power member 500 to be in a locked state. When the table is to be raised, the wrench 910 can be rotated to drive the transmission cable 950 to release the self-locking function of the auxiliary power member 500. Under the action of the auxiliary power member 500, between the front beam 210 and the rear beam 220 and the bottom beam assembly 300 As the angle increases, the overall height of the lift table rises to meet the standing position.

The locking switch can maintain the fixed state of the lifting table during use. When the user folds up the lifting table, the lifting table is stored by the interlocking action of the locking switch, which saves labor and troubles, and the action is completed in one go, and does not generate when the stowage is completed. Noise; In addition, the lifting table is also able to automatically rise based on the function of the locking switch and the auxiliary power unit, without human intervention, and is convenient and quick to deploy, which brings convenience to the user.

According to another aspect of the present invention, there is also provided a lift table which may have a first table; or a first table and a second table. In addition, the lift table has a support structure as described above.

The present invention has been described by the above embodiments, but it should be understood that the above-described embodiments are only for the purpose of illustration and description. In addition, those skilled in the art can understand that the present invention is not limited to the above embodiments, and various modifications and changes can be made according to the teachings of the present invention. These modifications and modifications fall within the scope of the present invention. Within the scope of the claimed protection. The scope of protection of the present invention is defined by the appended claims and their equivalents.

Claims

A support structure for a lifting table, comprising: a support assembly disposed opposite to the left and right, a top beam assembly disposed opposite to the left and right, a bottom beam assembly disposed opposite to the left and right, and an auxiliary power member disposed opposite to the left and right;

Each of the top beam assemblies includes a top beam and a first upper connecting portion and a second upper connecting portion disposed on the top beam;

Each of the bottom beam assemblies includes a bottom beam and a first lower connecting portion and a second lower connecting portion disposed on the bottom beam;

Each of the support assemblies includes a front beam and a back beam;

Each of the auxiliary power members has a fixed end and a telescopic end;

The upper end of the front beam is hinged to the first upper connecting portion, and the lower end is hinged to the first lower connecting portion, and the upper end of the rear beam is hinged to the second upper connecting portion, and the lower end is hinged to the first a second connecting portion, the front beam, the bottom beam, the back beam and the top beam form a parallelogram; a fixed end of the auxiliary power member is hinged on the back beam and adjacent to the second lower connecting portion The telescopic end of the auxiliary power member is coupled to the top beam assembly, and the telescopic end is connected between the first upper connecting portion and the second upper connecting portion as viewed from a side of the lifting table The top beam assembly.
The support structure according to claim 1, further comprising an upper beam, the two ends of the upper beam being coupled to the top beam between the first upper connecting portion and the second upper connecting portion.
The support structure of claim 1 further comprising a lower beam, each of said bottom beam assemblies further comprising a bottom beam extension, said bottom beam extension being coupled to a rear end of said bottom beam, Both ends of the lower beam are connected to the bottom beam extension.
A support structure according to any one of claims 1 to 3, wherein each of the top beam assemblies further comprises a fixing member and a top beam protection panel,

The fixing member is disposed at a top of the top beam for fixing the first table of the lifting table;

The top beam protection plate is disposed on an outer side of the top beam to cover the first upper connecting portion and the second upper connecting portion.
The support structure according to claim 4, wherein said fixing member comprises a horizontal fixing plate and a vertical fixing plate, said vertical fixing plate being connected below to an inner side of said horizontal fixing plate, said auxiliary power The telescoping end of the piece is coupled to the vertical fixed plate for securing the first table top.
The support structure of claim 4 wherein each of said top beam assemblies further comprises a suspension.

The suspension is disposed at a front end of the fixing member, the suspension is for fixing a second table of the lifting table, wherein the second table is lower than the first table, and The front end of the second table protrudes from the first table.
The support structure according to claim 4, wherein said first table top has a "concave" shape, and a notch-shaped recess of the first table is placed forward, said fixing member extending in the front-rear direction to the front A protruding portion of the first table "concave" shape is described.
The support structure according to claim 6, wherein the lower end of the suspension has a hook-like structure, and the hook-shaped structure of the suspension is oppositely disposed for fixing the second table of the lifting table on both sides board.
The support structure of claim 3 wherein each of said bottom beam assemblies further comprises a bottom beam shield and a protective sheet.

The bottom beam guard is installed on an outer side of the bottom beam to cover the first lower connecting portion and the second lower connecting portion,

The protective sheet is located outside the bottom beam extension to cover the end surface of the lower beam.
A support structure according to claim 3, wherein each of said top beam assemblies further includes a top beam extension connected to the front end of said top beam such that viewed from the side of the lift table The support structure has a "Z" shape.
The support structure according to claim 1, wherein a connection point of said telescopic end of said auxiliary power member to said top beam assembly is at a midpoint of an upper side of said parallelogram.
The support structure according to claim 1, further comprising a lock switch, the lock switch comprising a wrench, a transmission rod, a paddle, a fixing member and a transmission cable;

The wrench has a fixed end and a movable end;

Wherein the transmission rod is disposed on the top beam assembly and extends in a left-right direction, the fixed end of the wrench is connected to one end of the transmission rod, and the other end of the transmission rod is connected to the pick-up piece Upper end,

Wherein the transmission cable is placed in the front-rear direction, the lower end of the pick-up piece is connected to the front end of the transmission cable, and the rear end of the transmission cable is connected to the telescopic end of the auxiliary power component, the transmission The cable is fixed by the fixing member.
The support structure according to claim 12, wherein the cross section at both ends of the transmission rod has a polygonal structure.
The support structure according to claim 13, wherein the upper end of the paddle is provided with a through hole, the through hole is a polygonal through hole, and a polygonal structure at both ends of the transmission rod is matched with the polygonal through hole. A lower end of the pick-up piece defines a first keyway, and a front end of the transmission cable is connected to the first keyway.
The support structure according to any one of claims 12 to 14, wherein the lock switch further comprises a resilient member;

The resilient member includes a first resilient member and a second resilient member;

The first resilient member is disposed at a front end of the transmission cable and is located between the paddle and the fixing member, and the second resilient member is disposed at a rear end of the transmission cable and Between the telescopic ends of the auxiliary power components.
The support structure according to claim 15, wherein said fixing member has a "冂"-shaped structure as viewed from a side of said lifting table, and said top portion of said "冂"-shaped structure is fixed to a lifting table On the first table, the front portion of the "冂"-shaped structure is provided with a second keyway, and the transmission cable is placed in the second keyway.
The support structure according to claim 16, wherein the rear portion of the "冂"-shaped structure is provided with an inverted "L"-shaped positioning groove, and the positioning groove has an edge at the edge of the "冂"-shaped structure. An opening is provided to enable the transmission cable to enter and remain in the positioning slot through the opening.
The support structure according to claim 17, wherein a rubber protective cover is disposed on an outer circumferential surface of the transmission cable.
The support structure according to claim 18, wherein the telescopic end of the auxiliary power member is provided with a cable connecting portion, the cable connecting portion is connected to a rear end of the transmission cable, and the second A resilient member is disposed between the cable connection and the rear end of the drive cable.
A lifting table characterized by comprising the support structure according to any one of claims 1-19.