Electric table, electric table leg frame and light-weight crossbeam structure thereof

Abstract

The present application provides a kind of electric table, electric table foot frame and its lightweight beam structure, the lightweight beam structure includes: first frame and second frame, first frame includes upper plate, inner side plate bent and extended from upper plate, outer side plate bent and extended from inner side plate and fixed plate bent and extended from outer side plate, outer side plate is formed in the outside of inner side plate, and groove is formed between inner side plate and outer side plate, second frame is connected with first frame, and second frame includes top plate and middle plate bent and extended from top plate, middle plate is contained in the groove, and top plate is formed above upper plate. Therefore, not only can maintain stability, but also can reduce weight, so as to reduce material cost.

Description

Technical Field

[0001] The present invention relates to the technical field of an electric table stand, in particular to an electric table, an electric table stand and a lightweight crossbeam structure thereof. Background Art

[0002] In order to accommodate a variety of body shapes, heights, and user habits, the fixed tables that were previously used have gradually been replaced by people. At this stage, electric lift tables with adjustable height have become one of the mainstream and trends in today's design. After adjusting the height, they can be used by users of different heights and body shapes to achieve the most comfortable purpose.

[0003] Existing electric table legs, such as the patents applied for and approved by the present applicant, with publication numbers TWM486995, TWM504506, and TWM560241 in Taiwan, China, mainly include a crossbeam structure, a pair of telescopic columns, and a pair of side wings. The crossbeam structure is mainly composed of two rectangular tubes connected in a spaced-apart parallel manner, with a receiving groove formed between the two rectangular tubes.

[0004] However, in order to provide the electric table stand with a certain degree of rigidity, a crossbeam structure composed of rectangular tubes is used. This not only requires cumbersome and complex manufacturing processes, but the assembled electric table stand is also quite heavy, making it difficult to move and transport. Furthermore, the heavy weight prevents the cost of materials from being effectively reduced, thus affecting its economic benefits. Summary of the Invention

[0005] The main purpose of the present invention is to provide an electric table, an electric table leg frame and a lightweight beam structure thereof, which utilizes the configuration of each frame to not only maintain stability but also reduce weight, thereby reducing material costs.

[0006] In order to achieve the above-mentioned purpose, the present invention provides an electric table, including an electric table leg frame, a table top and a plurality of screw-fixing components, the electric table leg frame includes a lightweight beam structure, a pair of telescopic columns and a pair of side wings, the lightweight beam structure includes a first frame and a second frame, the first frame includes an upper plate, a pair of inner side plates extending downward from both sides of the upper plate, an outer side plate extending upward from each of the inner side plates, and a fixing plate extending from each of the outer side plates, each of the outer side plates is formed on the outside of each of the inner side plates, and a fixing plate is formed between each of the inner plates and each of the outer side plates. There is a groove; the second frame is connected to the first frame, the second frame includes a top plate and a pair of intermediate plates bent downward and extended from both sides of the top plate, each of the intermediate plates is respectively accommodated in each of the grooves, and the top plate is formed above the upper plate; each of the telescopic columns is respectively connected to the two ends of the lightweight beam structure, and each of the telescopic columns includes an electric motor; each of the side wings is respectively arranged on the side of each of the telescopic columns; the table top has a bottom surface; wherein each of the screw fixing elements is passed through the first frame and the second frame, so that each of the fixing plates and the top plate is attached to the bottom surface. 14. The repairing kit for automotive dents, according to claim 13, wherein the foot stand comprises a through-hole, and the two foot pieces comprise two bosses, wherein the bosses comprise a through-hole, a screw bolt, and a nut. The through-hole, the bosses comprise a through-hole, a screw bolt, and a nut. The through-hole, the bosses comprise a through-hole, a screw bolt, and a nut.

[0007] As an embodiment of the electric table tripod of the present application, each of the telescopic columns is pivotally connected to the lightweight beam structure.

[0008] As an embodiment of the electric table leg stand of the present application, it also includes a controller, and a plug plate and an elastic fastener are respectively provided at both ends of the controller. The upper plate is provided with two card slots, the plug plate is plugged into one of the card slots, and the elastic fastener is buckled into the other card slot.

[0009] As an embodiment of the electric table leg stand of the present application, it also includes a pivot, and a pivot portion is respectively provided on each of the inner panels and each of the outer panels, and the pivot portion includes a bulge formed on the inner panel and a pivot hole passing through the bulge and the outer panel, wherein one of the motors is arranged between the bulges and is locked by passing the pivot through the pivot hole.

[0010] As an embodiment of the electric table leg stand of the present application, it also includes a pivot, and each of the middle plates is provided with a pivot portion, the pivot portion includes a bulge formed on the middle plate and a pivot hole passing through the bulge, and one of the motors is arranged between the bulges and is locked by passing the pivot through the pivot hole.

[0011] In order to achieve the above-mentioned purpose, the present invention provides a lightweight beam structure, including a first frame and a second frame, the first frame including an upper plate, a pair of inner plates respectively bent downward and extending from both sides of the upper plate, an outer plate bent upward and extending from each of the inner plates, and a fixed plate bent and extended from each of the outer plates, each of the outer plates being respectively formed on the outside of each of the inner plates, and a groove being formed between each of the inner plates and each of the outer plates; the second frame is connected to the first frame, the second frame including a top plate and a pair of middle plates respectively bent downward and extending from both sides of the top plate, each of the middle plates being respectively accommodated in each of the grooves, and the top plate being formed above the upper plate.

[0012] As an embodiment of the lightweight beam structure of the present application, each of the intermediate plates is movably and slidably connected to each of the grooves.

[0013] As an embodiment of the lightweight beam structure of the present application, each of the fixing plates, the upper plate and the top plate is respectively provided with a plurality of locking holes.

[0014] As an embodiment of the lightweight beam structure of the present application, each of the fixing plates has an upper surface, and the top plate also has an upper surface. The upper surfaces of the fixing plates and the upper surface of the top plate are substantially on the same plane.

[0015] As an embodiment of the lightweight beam structure of the present application, each of the fixing plates has an upper surface, and the upper plate also has an upper surface. The upper surfaces of each of the fixing plates are substantially on the same plane and are higher than the upper surface of the upper plate.

[0016] As an embodiment of the lightweight beam structure of the present application, the top plate is provided with at least one recessed portion, the recessed portion has a lower surface, the upper plate also has a lower surface, and the lower surface of the recessed portion and the lower surface of the upper plate are substantially on the same plane.

[0017] As an embodiment of the lightweight beam structure of the present application, the upper plate is provided with at least one boss at one end away from the top plate, the boss has an upper surface, and each of the fixing plates has an upper surface, and each of the upper surfaces is substantially on the same plane.

[0018] As an embodiment of the lightweight beam structure of the present application, it also includes a screw-fixing element, the upper plate is provided with at least one alignment hole, and the top plate is provided with a plurality of locking holes. The alignment hole can be selectively aligned with one of the locking holes, and is positioned by passing the screw-fixing element through the alignment hole and the locking hole.

[0019] As an embodiment of the lightweight beam structure of the present application, it also includes a plurality of plugs, and a plurality of plug holes are provided at corresponding positions of each of the inner plates and each of the outer plates, and each of the plugs is respectively passed through and positioned corresponding to each of the plug holes.

[0020] As an embodiment of the lightweight beam structure of the present application, each of the intermediate plates has a folded plate extending from one end of the intermediate plate away from the top plate, and the folded plate is located between the intermediate plate and the inner side plate.

[0021] This invention also offers the following benefits: By utilizing the coplanarity of the fixed plates, top plate, bosses, and side lateral plates, and leveraging the inherent rigidity of the tabletop, the weight of the crossbeam structure can be significantly reduced. By allowing the intermediate plates to slide freely into the grooves, it can be widely used with tabletops of varying lengths and specifications. By pivotally connecting the crossbeam structure with telescopic columns, the time and labor costs associated with on-site assembly are reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is the appearance diagram of the electric table leg combined with the table top of the present invention.

[0023] Figure 2 This is an exploded view of the lightweight beam structure of the present invention.

[0024] Figure 3 This is an appearance diagram of the lightweight beam structure combination of the present invention.

[0025] Figure 4 It is a combined cross-sectional view and a partial enlarged view of the lightweight beam structure of the present invention.

[0026] Figure 5 This is a combined cross-sectional view of the lightweight beam structure of the present invention from another direction.

[0027] Figure 6 This is an exploded view of the lightweight beam structure and controller of the present invention.

[0028] Figure 7 This is a front sectional view of the assembly of the lightweight beam structure and the controller of the present invention.

[0029] Figure 8 This is a cross-sectional view of the assembled lightweight beam structure and controller of the present invention.

[0030] Figure 9 This is an appearance diagram of the pre-assembly of the lightweight crossbeam structure and the telescopic columns of the present invention.

[0031] Figure 10 This is an exploded view of the electric table tripod of the present invention.

[0032] Figure 11 This is an appearance diagram of the electric table leg of the present invention combined with an extended table top.

[0033] Figure 12 It is a cross-sectional view of the electric table of the present invention.

[0034] Figure 13 This is a cross-sectional view of the electric table of the present invention from another direction.

[0035] In the picture:

[0036] 1: Lightweight beam structure; 10: First frame; 11: Upper plate; 111: Upper surface; 112: Alignment hole; 113: Boss; 1131: Upper surface; 1132: Locking hole; 114: Lower surface; 115: Slot; 12: Inner plate; 13: Outer plate; 14: Fixing plate; 141: Upper surface; 142: Locking hole; 15: Groove; 16: Plunger hole; 17: Pivot joint; 171: Boss; 172: Pivot hole; 18: Positioning portion; 20: Second frame; 21: Top plate; 211: Upper surface; 212: Locking hole; 213: Recess; 2131: Lower surface ; 22: middle plate; 221: plunger hole; 222: pivot portion; 2221: convex bump; 2222: pivot hole; 223: positioning portion; 2231: convex bump; 2232: positioning hole; 23: folded plate; 24: plug; 3: telescopic column; 31: motor; 311: screw hole; 32: tube body; 33: pivot; 34: locking element; 4: controller; 41: plug board; 42: elastic fastener; 5: side wing; 51: side panel; 52: horizontal panel; 521: locking hole; 53: plug board; 6: supporting foot; 8: table top; 81: bottom surface; 8A: extended table top; 9: screw fixing element. DETAILED DESCRIPTION

[0037] The present invention will be further described below with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and implement it. However, the embodiments are not intended to limit the present invention.

[0038] See also Figure 1 、 Figure 9 and Figure 10As shown, the present invention provides an electric table tripod, which is used to provide a table top 8. The electric table tripod mainly includes a lightweight beam structure 1, a pair of telescopic columns 3 and a pair of side wings 5. Each telescopic column 3 is pivotally connected to the two ends of the lightweight beam structure 1, and each side wing 5 is respectively arranged on the side of each telescopic column 3 and connected to the two ends of the lightweight beam structure 1.

[0039] See also Figures 2 to 5 As shown, the present invention further provides a lightweight beam structure 1 , which mainly includes a first frame 10 and a second frame 20 .

[0040] The first frame 10 is made of sheet metal through punching, blanking, and bending processes. It primarily comprises a top plate 11, a pair of inner side plates 12, a pair of outer side plates 13, and a pair of fixed plates 14. Each inner side plate 12 extends downwardly from the front and rear sides of the top plate 11. Each outer side plate 13 extends upwardly from each inner side plate 12 and is parallel to each inner side plate 12. Each fixed plate 14 extends upwardly from each outer side plate 13 and is configured to attach to the table top 8.

[0041] Each outer plate 13 is formed outside each inner plate 12, with a groove 15 formed between each inner plate 12 and each outer plate 13. Each fixing plate 14 has an upper surface 141, and the upper plate 11 also has an upper surface 111. The upper surfaces 141 of each fixing plate 14 are substantially coplanar and higher than the upper surface 111 of the upper plate 11.

[0042] In one embodiment, a positioning hole 112 is provided in the left section of the upper plate 11; two bosses 113 are provided in the right section of the upper plate 11, each boss 113 has an upper surface 1131, and the upper surface 1131 of each boss 113 and the upper surface 141 of each fixing plate 14 are substantially on the same plane; in addition, two locking holes 1132 are provided in the outer boss 113.

[0043] In one embodiment, a plurality of plunger holes 16 are provided at corresponding positions of each inner plate 12 and each outer plate 13. Each plunger hole 16 penetrates each inner plate 12 and each outer plate 13. In addition, a pivot portion 17 and a positioning portion 18 are provided at the right section of each inner plate 12 and each outer plate 13. Please refer to Figure 6 The pivoting portion 17 of this embodiment comprises a protrusion 171 formed on the inner surface of the inner plate 12 and a pivot hole 172 extending through the protrusion 171 and the outer plate 13. The positioning portion 18 of this embodiment is a positioning hole extending through the inner plate 12 and the outer plate 13. Furthermore, each fixing plate 14 is provided with a plurality of locking holes 142 at intervals.

[0044] The second frame 20 is also made of sheet metal through punching, blanking, and bending processes. It is connected to the first frame 10 and primarily comprises a top plate 21 and a pair of intermediate plates 22. Each intermediate plate 22 extends downwardly from the front and rear sides of the top plate 21, and is perpendicular to the top plate 21. Each intermediate plate 22 is housed in a respective groove 15, while the top plate 21 is formed above the upper plate 11.

[0045] In one embodiment, each intermediate plate 22 is movably slidably connected to each groove 15 and is interposed between each inner plate 12 and each outer plate 13. The top plate 21 has an upper surface 211, wherein the upper surface 141 of each fixing plate 14, the upper surface 1131 of each boss 113, and the upper surface 211 of the top plate 21 are substantially on the same plane.

[0046] It is worth mentioning that the so-called upper surface 141 of each fixing plate 14, the upper surface 1131 of each boss 113 and the upper surface 211 of the top plate 21 are substantially on the same plane, which means that the upper surface 141 of the fixing plate 14, the upper surface 1131 of each boss 113 and the upper surface 211 of the top plate 21 are all attached and in contact with the aforementioned table top 8.

[0047] In one embodiment, the top plate 21 is provided with a plurality of locking holes 212, each of which is arranged at equal intervals. The aforementioned alignment hole 112 can be selectively aligned with one of the locking holes 212 and fixed by a screw element 9 (see Figure 13 ) is provided with alignment holes 112 and locking holes 212 for positioning. Two recessed portions 213 are further provided in the left region of the top plate 21. Each recessed portion 213 has a lower surface 2131. The upper plate 11 has a lower surface 114. The lower surfaces 2131 of each recessed portion 213 are substantially flush with the lower surface 114 of the upper plate 11.

[0048] In one embodiment, each intermediate plate 22 has an upwardly extending, folded plate 23 extending from one end away from the top plate 21. This folded plate 23 is interposed between the intermediate plate 22 and the inner plate 12. Furthermore, each intermediate plate 22 is provided with a plurality of plunger holes 221. When the plunger holes 221 of each intermediate plate 22 are aligned with the plunger holes 16, a plug 24 can be inserted therethrough for positioning.

[0049] Please also refer to Figure 6 A pivotal portion 222 and a positioning portion 223 are provided in the left section of each intermediate plate 22. The pivotal portion 222 of this embodiment includes a convex portion 2221 formed on the inner surface of the intermediate plate 22 and a pivot hole 2222 passing through the convex portion 2221. The positioning portion 223 of this embodiment also includes a convex portion 2231 formed on the inner surface of the intermediate plate 22 and a positioning hole 2232 passing through the convex portion 2231.

[0050] See also Figures 6 to 8 As shown, the electric table stand of the present invention also includes a controller 4, which is generally rectangular in shape and has a plug-in plate 41 and an elastic fastener 42 at each end. Two slots 115 are provided in the middle of the upper plate 11. After the plug-in plate 41 of the controller 4 is inserted into one of the slots 115, the elastic fastener 42 of the controller 4 elastically deforms and snaps into the other slot 115, thereby achieving rapid assembly and disassembly.

[0051] Furthermore, the detailed features of the controller 4 are merely for explanation and illustration, and are not intended to limit the scope of rights of the present invention. That is, they may be adjusted and modified accordingly according to actual usage requirements.

[0052] Please continue reading Figure 9 As shown, each telescopic column 3 is connected to both ends of the lightweight crossbeam structure 1. Each telescopic column 3 mainly includes an electric motor 31, a plurality of tubes 32 and a transmission mechanism (not shown). The tubes 32 are connected to each other, and one of the tubes 32 is connected to the bottom surface of the electric motor 31. Through the joint operation of the electric motor 31 and the transmission mechanism, the tubes 32 can move relative to each other. In addition, two screw holes 311 are respectively provided on the two side surfaces of the electric motor 31. Each electric motor 31 is respectively accommodated between the aforementioned inner plates 12 and between the intermediate plates 22. One of the electric motors 21 is in contact with the surface of each convex bump 171 and is penetrated by a pivot hole 172 through a pivot shaft 33 (see Figure 6 ) and is locked in one of the screw holes 311 and fixed; the other motor 21 is against the surface of each convex 2221, and is penetrated by another pivot hole 2222 (see Figure 6 ) and locked in the screw hole 311 for fixation, so that each telescopic column 3 can be pre-assembled on the lightweight beam structure 1, thereby saving the time and labor cost of on-site assembly.

[0053] Please continue reading Figure 10 As shown, during assembly, first rotate each telescopic column 3 upward with the pivot 33 as the center, and pass the aforementioned positioning portion 18 through a locking element 34 (see Figure 6 ) and the remaining screw hole 311 and fixed with another locking element 34 through the aforementioned positioning hole 2232 (see Figure 6) and the remaining screw holes 311. Next, each side wing 5 is provided on the side of each telescopic column 3 and connected to both ends of the lightweight crossbeam structure 1. Each side wing 5 mainly comprises a side panel 51 and a horizontal panel 52 extending from the side panel 51. A plug-in board 53 is connected to the inner side of the side panel 51. Each plug-in board 53 is inserted into the end of the first frame 10 and the second frame 20, respectively. Each side panel 51 shields the side of the motor 31 and the ports of the first frame 10 and the second frame 20. Each horizontal panel 52 is provided with a plurality of locking holes 521 at intervals.

[0054] In addition, the electric table stand of the present invention further includes a pair of supporting feet 6 . Each supporting foot 6 is connected to an end of each tube 32 away from the motor 31 , thereby improving the stability of the table stand.

[0055] See also Figure 11 As shown, the electric table stand of the present invention, in addition to the above embodiment, this embodiment utilizes each intermediate plate 22 to movably slide and connect each groove 15, and the positioning hole 112 can be selectively aligned with a locking hole 212 therein, and through a screw fixing element 9 (see Figure 13 ) is passed through and locked on an extended table top 8A; that is, the electric table tripod of the present invention can be applied to table tops 8 and 8A of different lengths, ranging between 1000 and 1600 mm (millimeter).

[0056] See also Figure 12 and Figure 13 As shown, the present invention further provides an electric table, which mainly includes an electric table leg, a table top 8, and a plurality of screw-fastening elements 9. The table top 8 has a bottom surface 81, wherein the screw-fastening elements 9 are respectively penetrated through the locking holes 142, 1132, and 212 of the first frame 10 and the second frame 20, thereby attaching the fixing plates 14 and the top plate 21 together under the bottom surface 81. In addition, when the electric table leg of the present invention is applied to a table top 8 of a normal length, the plugs 24 can be used to penetrate the plunger holes 16 and 221 to increase the stability of the overall structure.

[0057] In summary, the electric table, electric table leg frame, and lightweight crossbeam structure of the present invention can indeed achieve the intended purpose of use and solve the defects existing in the prior art. The above-mentioned embodiments are only preferred embodiments for fully illustrating the present invention, and the scope of protection of the present invention is not limited thereto. Equivalent substitutions or modifications made by those skilled in the art based on the present invention are all within the scope of protection of the present invention. The scope of protection of the present invention shall be subject to the claims.

Claims

1. A lightweight beam structure, characterized in that: include: a first frame comprising an upper plate, a pair of inner side plates extending downwardly from opposite sides of the upper plate, an outer side plate extending upwardly from each inner side plate, and a fixing plate extending upwardly from each outer side plate, wherein each outer side plate is formed on the outside of each inner side plate, and a groove is formed between each inner side plate and each outer side plate; and a second frame connected to the first frame, the second frame comprising a top plate and a pair of intermediate plates extending downwardly from both sides of the top plate, each intermediate plate being received in each groove, and the top plate being formed above the upper plate; Each of the intermediate plates is movably and slidably connected to each of the grooves; The upper plate is provided with at least one boss at one end away from the top plate. The boss has an upper surface. Each of the fixing plates has an upper surface. The upper surfaces are substantially on the same plane.

2. The lightweight beam structure according to claim 1, characterized in that: Each of the fixing plates, the upper plate and the top plate is respectively provided with a plurality of locking holes.

3. The lightweight beam structure according to claim 1, characterized in that: Each of the fixing plates has an upper surface, and the top plate also has an upper surface. The upper surfaces of the fixing plates and the upper surface of the top plate are substantially on the same plane.

4. The lightweight beam structure according to claim 1, wherein: Each of the fixing plates has an upper surface, and the upper plate also has an upper surface. The upper surfaces of the fixing plates are substantially on the same plane and are higher than the upper surface of the upper plate.

5. The lightweight beam structure according to claim 1, wherein: The top plate is provided with at least one recessed portion, the recessed portion has a lower surface, the upper plate also has a lower surface, and the lower surface of the recessed portion and the lower surface of the upper plate are substantially on the same plane.

6. The lightweight beam structure according to claim 1, wherein: It also includes a screw-fixing element, the upper plate is provided with at least one alignment hole, the top plate is provided with a plurality of locking holes, the alignment hole can be selectively aligned with one of the locking holes, and the screw-fixing element is passed through the alignment hole and the locking hole for positioning.

7. The lightweight beam structure according to claim 1, wherein: It also includes a plurality of plugs, and a plurality of plunger holes are provided at corresponding positions of each of the inner plates and each of the outer plates, and each of the plugs is respectively connected and positioned corresponding to each of the plunger holes.

8. The lightweight beam structure according to claim 1, wherein: A folded plate is extended from one end of each intermediate plate away from the top plate, and the folded plate is located between the intermediate plate and the inner side plate.

9. An electric table tripod, characterized in that: include: A lightweight beam structure according to any one of claims 1 to 8; a pair of telescopic columns, each of the telescopic columns being connected to two ends of the lightweight crossbeam structure, each of the telescopic columns comprising a motor; and A pair of side wings are respectively arranged on the side of each telescopic column.

10. The electric table tripod according to claim 9, characterized in that: Each of the telescopic columns is pivotally connected to the lightweight beam structure.

11. The electric table tripod according to claim 9, characterized in that: It also includes a controller, which has an insert plate and an elastic fastener at both ends. The upper plate is provided with two slots, the insert plate is plugged into one of the slots, and the elastic fastener is buckled into the other slot.

12. The electric table tripod according to claim 9, characterized in that: It also includes a pivot, and each of the inner plates and each of the outer plates is respectively provided with a pivot portion, the pivot portion including a bulge formed on the inner plate and a pivot hole passing through the bulge and the outer plate, wherein one of the motors is arranged between each of the bulges and is locked by passing the pivot hole through the pivot.

13. The electric table tripod according to claim 9, characterized in that: It also includes a pivot, and each of the intermediate plates is provided with a pivot portion, the pivot portion including a bulge formed on the intermediate plate and a pivot hole passing through the bulge, wherein one of the motors is arranged between the bulges and is locked by passing the pivot hole through the pivot.

14. An electric table, characterized in that: include: An electric table stand according to any one of claims 9 to 13; a table top having a bottom surface; and Several screw-on components; Each of the screw-fastening elements is passed through the first frame and the second frame, thereby attaching each of the fixing plates and the top plate to the bottom surface.

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