CN210493106U

CN210493106U - Foldable electric lift table

Info

Publication number: CN210493106U
Application number: CN201920482084.5U
Authority: CN
Inventors: 张东行; 石相君
Original assignee: Zhejiang Jiecang Linear Motion Technology Co Ltd
Current assignee: Zhejiang Jiecang Linear Motion Technology Co Ltd
Priority date: 2019-04-10
Filing date: 2019-04-10
Publication date: 2020-05-12
Anticipated expiration: 2029-04-10

Abstract

The utility model discloses a folding electric lifting table, belonging to the field of electric lifting tables, comprising a table frame, wherein the table frame comprises a beam, two ends of the beam are respectively provided with an electric lifting upright post, the beam is provided with a positioning elongated slot, the electric lifting upright post comprises a positioning shaft, the electric lifting upright post rotates and slides in the positioning elongated slot through the positioning shaft, and in a first position, the positioning shaft is positioned at the inner side end of the positioning elongated slot and keeps a spreading angle with the beam; under the second position, the location axle slides to the outside end of location elongated slot, and the axle that fixes a position simultaneously rotates in order to realize folding accomodating towards crossbeam center direction in the elongated slot of location, the utility model has the advantages of the equipment is convenient, can further do benefit to the packing and the transportation of part simultaneously.

Description

Foldable electric lift table

[ technical field ] A method for producing a semiconductor device

The utility model relates to a foldable electric lift table belongs to electric lift table field.

[ background of the invention ]

The desk is an indispensable product for daily life and work of human beings, particularly an office desk and the like, and as a plurality of work of modern society is completed in front of a computer, the desk is a potential hidden danger for office workers after long-time sitting, and the lifting desk is popular in the market at present, can be used for selecting standing office work or sitting office work according to the needs of users, and can be used for adjusting the height of the office desk according to different needs of the users.

At present the most traditional structure that electric lift table is usual includes the table, the crossbeam, the electric lift stand, the crossbeam is fixed in the table bottom, the electric lift stand is installed on the crossbeam, it is basically perpendicular with the crossbeam, because the whole volume of electric lift table after the equipment is accomplished is great, be unfavorable for packing and transportation, so producer or distributor crossbeam when shipment, the electric lift stand is separately independent, assemble by the user by oneself, though be favorable to packing and transportation like this, but cause certain equipment vexation for the user.

Based on such problems, some manufacturers of electric lifting tables begin to research improvements of electric lifting tables, such as foldable electric lifting tables disclosed in chinese patent CN108813946A and US patent US9271567, both of which disclose that electric lifting columns are connected with cross beams in a hinged manner, before packaging and transportation, the electric lifting columns and the cross beams are folded and stored to reduce space occupancy, and when a user assembles, the user only needs to unfold and fix the electric lifting columns, which is beneficial to packaging and transportation and also beneficial to user assembly.

However, the above solution also has some problems in practical use, for example, as shown in fig. 5 of US9271567, generally, the total length of the two folded electric lifting columns is greater than the total length of the cross beam, so that in practice, after the electric lifting columns are folded, the two electric lifting columns have an overlapping portion, and the overlapping portion increases the thickness or height of the folded cross beam and the whole electric lifting column, and the storage effect is not very ideal.

[ Utility model ] content

The utility model aims to solve the technical problem that overcome prior art not enough and provide a foldable electric lift table, the equipment is convenient, can further be favorable to the packing and the transportation of part simultaneously.

Solve the technical problem, the utility model discloses a following technical scheme:

a foldable electric lifting table comprises a table frame, wherein the table frame comprises a cross beam, electric lifting stand columns are respectively arranged at two ends of the cross beam, a positioning long groove is formed in the cross beam, each electric lifting stand column comprises a positioning shaft, the electric lifting stand columns rotate and slide in the positioning long grooves through the positioning shafts, and in a first position, the positioning shafts are located at the inner side ends of the positioning long grooves and keep a spreading angle with the cross beam; and under the second position, the positioning shaft slides to the outer side end of the positioning long groove, and meanwhile, the positioning shaft rotates towards the center direction of the cross beam in the positioning long groove so as to realize folding and storage.

Adopt the beneficial effects of the utility model:

the lifting table in the utility model is provided with a positioning elongated slot on a beam, a positioning shaft on an electric lifting upright post is positioned in the positioning elongated slot, the positioning shaft in the lifting table can realize relative rotation motion and relative sliding motion in the positioning elongated slot, the relative sliding motion mainly refers to relative sliding along the transverse direction of the beam, the relative rotation motion mainly aims at realizing folding between the electric lifting upright post and the beam, and the relative sliding motion ensures that the electric lifting upright post moves towards the end part of the beam as much as possible under a folding state, namely moves to the outer side end of the positioning elongated slot, after the relative sliding motion, the folding state can be realized under the folding state, namely, the second position, the overlapping part of the two electric lifting upright posts after folding is smaller, even the overlapping part of the two electric lifting upright posts is eliminated, thus the whole thickness after folding can be reduced, is more beneficial to package and transportation.

For a user, during assembly, the electric lifting upright post only needs to be rotated and unfolded, and meanwhile, the positioning shaft of the electric lifting upright post is moved to the inner side end of the positioning long groove from the outer side end of the positioning long groove, so that the problem of repositioning is solved, and the assembly is convenient for the user.

Preferably, the positioning long groove is an inclined groove, the distance from the inner end of the inclined groove to the top of the cross beam is L1, the distance from the outer end of the inclined groove to the top of the cross beam is L2, and L1 > L2 are satisfied.

Preferably, the inclination angle of the positioning long groove is between 1 ° and 45 °.

Preferably, the cross beam includes an accommodating space for installing the electric lifting column, the two opposite inner side walls of the accommodating space are respectively provided with the positioning long grooves, and the two opposite outer side walls of the electric lifting column are respectively provided with the positioning shafts.

Preferably, the cross beam comprises two cross rods arranged in parallel, the positioning long groove is formed in the inner side wall of each cross rod, and an assembling hole for conveniently assembling the positioning shaft is arranged between the outer side wall of each cross rod and the corresponding positioning long groove in a penetrating mode.

Preferably, the electric lifting column comprises a shell and a column part, the positioning shaft is a fastening screw arranged on the outer side wall of the shell, or the positioning shaft is a pin shaft inserted in the shell, or the positioning shaft is a convex column convexly formed on the shell.

Preferably, the electric lifting column comprises a side lug, and the side lug is fixed with the cross beam through a fastener in the first position.

Preferably, the crossbeam includes two parallel arrangement's horizontal pole, the horizontal pole is the cavity pipe fitting, and the curb plate frame is installed to the tip of crossbeam, the curb plate frame includes curb plate and plugboard, the plugboard inserts in the cavity pipe fitting, and the fastener is fixed curb plate, plugboard on the cavity pipe fitting simultaneously.

Preferably, the beam is a telescopic beam.

Preferably, the electric lifting upright and the cross beam are preassembled to form a preassembled assembly.

Preferably, the preassembly further comprises a table, and the electric lifting upright post and the cross beam are fixed on the table to form the preassembly.

These features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

[ description of the drawings ]

The invention will be further explained with reference to the drawings:

fig. 1 is a schematic view of an overall structure of an electric lifting table according to an embodiment of the present invention;

fig. 2 is an exploded view of a part of a table frame of an electric lifting table according to an embodiment of the present invention;

fig. 3 is a schematic view of an electric lifting column in a second position state according to a first embodiment of the present invention;

FIG. 4 is an enlarged schematic view of the explosion site of FIG. 2;

fig. 5 is a schematic view of different positions of the positioning shaft in the positioning elongated slot according to an embodiment of the present invention.

[ detailed description ] embodiments

The technical solutions of the embodiments of the present invention are explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the embodiment, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

In the following description, the terms such as "inner", "outer", "upper", "lower", "left", "right", etc., which indicate orientations or positional relationships, are used for convenience in describing embodiments and simplifying descriptions, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.

As shown in fig. 1 to 5, the present embodiment is a foldable electric lifting table, the electric lifting table includes a table board 1 and a table frame disposed below the table board 1, the table frame includes a cross beam 2, electric lifting columns 3 are respectively mounted at two ends of the cross beam 2, the electric lifting columns 3 ascend or descend to drive the cross beam 2 and the table board 1 to ascend or descend integrally, and a foot rest 5 is mounted at the bottom of the electric lifting columns 3.

In this embodiment, the cross beam 2 is provided with a positioning long groove 200, the length direction of the positioning long groove 200 in this embodiment extends substantially along the transverse direction of the cross beam 2, the positioning long groove 200 specifically includes an inner end and an outer end, the inner end is a side close to the center of the cross beam 2, the outer end is a side far away from the center of the cross beam 2, the electric lifting column 3 includes a positioning shaft 301, the electric lifting column 3 performs relative rotation and relative sliding motion in the positioning long groove 200 through the positioning shaft 301, and in a first position, the positioning shaft 301 is located at the inner end of the positioning long groove 200 and maintains a spreading angle with the cross beam 2; in the second position, the positioning shaft 301 slides to the outer end of the positioning long groove 200, and the positioning shaft 301 rotates in the positioning long groove 200 toward the center of the cross beam 2 to achieve folding and storage.

The beneficial effect that this embodiment produced, owing to set up a location elongated slot 200 on crossbeam 2, location axle 301 on the electric lift stand 3 is fixed a position in location elongated slot 200, the utility model provides a location axle 301 can realize relative rotational motion and relative sliding motion in location elongated slot 200, and the relative sliding motion here mainly refers to the relative slip along the transverse direction of crossbeam 2. The relative rotation motion is mainly to realize folding between electric lift stand 3 and crossbeam 2, and relative sliding motion, then let electric lift stand 3 move electric lift stand 3 as far as possible toward the tip of crossbeam 2 under fold condition, move to the outside end of location elongated slot 200 promptly, so after moving, can be so under the fold condition, during the second position, the overlap portion after two electric lift stands 3 folding is littleer, eliminate the overlap portion of two electric lift stands 3 even, just so can reduce the whole thickness after folding, be favorable to packing and transportation more.

For a user, during assembly, the electric lifting column 3 only needs to be rotated and unfolded, and the positioning shaft 301 of the electric lifting column 3 is moved from the outer side end of the positioning long groove 200 to the inner side end of the positioning long groove 200, so that the problem of repositioning is also solved, and the assembly is convenient for the user.

In order to further reduce the space occupancy rate after the electric lifting upright 3 is folded, in this embodiment, the positioning long slot 200 is an inclined slot, the distance from the inner side end to the top of the cross beam 2 is L1, and the distance from the outer side end to the top of the cross beam 2 is L2, which satisfies L1 > L2, specifically referring to fig. 5, for the purpose of such design, when the positioning shaft 301 is in the second position, relative to the first position, not only the positioning shaft moves horizontally and laterally, but also the positioning shaft moves in the vertical direction, so that the positioning shaft 301 is closer to the top of the cross beam 2, and thus, the final effect is that after the electric lifting upright 3 is folded, the thickness or height of the whole of the cross beam 2 and the electric lifting upright 3 is reduced, the space occupancy rate is further reduced, and the packaging and transportation of the product are further facilitated.

It should be noted that, in the present invention, the definition of the outer end of the positioning elongated slot 200 is only relative to the inner end, and is not limited to the outermost end of the positioning elongated slot 200, because in practical use, when the electric lifting column 3 is completely folded, the positioning shaft 301 may not completely slide to the outermost end of the positioning elongated slot 200.

Preferably, in this embodiment, the inclination angle α of the positioning long groove 200 is between 1 ° and 45 °, and if the inclination angle α is too small, the amount of change in the vertical displacement between the first position and the second position is small, and the influence on the reduction in the overall thickness is small, and if the inclination angle α is too large, the height of the cross beam 2 itself is increased to some extent, which increases the cost accordingly, so the positioning long groove 200 is preferably set at 1 ° to 45 °, preferably 5 ° or 10 °.

In order to ensure the stability of the expansion and storage between the electric lifting column 3 and the cross beam 2, the cross beam 2 includes an accommodating space for installing the electric lifting column 3, the two opposite inner side walls of the accommodating space are respectively provided with the positioning long grooves 200, and the two opposite outer side walls of the electric lifting column 3 are respectively provided with the positioning shafts 301. The two positioning long grooves 200 are equivalent to the two positioning shafts 301, so that the electric lifting upright post 3 has better stability when moving relative to the cross beam 2.

Specifically, in this embodiment, the electric lifting column 3 is an L-shaped lifting column, and includes a housing 31 and a column part 32, a driving motor and a speed change gear are usually installed in the housing 31, the column part 32 includes a transmission screw rod and a transmission nut, the driving motor drives the transmission screw rod to rotate through the speed change gear, the transmission screw rod drives the transmission nut to move axially, so as to drive the sleeving pipe of the column part 32 to move relatively, the specific structure of the lifting column is disclosed in the prior art, which is not described in more detail in this embodiment, but in this embodiment, the positioning shaft 301 is installed on the opposite side wall of the housing 31.

For the cross beam 2, the cross beam 2 of this embodiment specifically includes two parallel cross bars 20, an accommodating space is formed between the two parallel cross bars 20, the housing 31 of the electric lifting column 3 is just accommodated in the accommodating space, and the positioning long groove 200 is disposed on the inner side wall of the cross bar 20.

In order to position the positioning shaft 301 in the positioning long groove 200, an assembly hole 201 for assembling the positioning shaft 301 conveniently penetrates between the outer side wall of the cross bar 20 and the positioning long groove 200, an installation hole 310 is formed in the outer side wall of the housing 31 of the electric lifting upright 3, and the positioning shaft 301 passes through the assembly hole 201 and is installed on the installation hole 310 of the housing 31.

The positioning shaft 301 may be implemented in various ways, in this embodiment, the positioning shaft 301 is preferably a fastening screw, the mounting hole 310 on the housing 31 is a threaded hole, when assembling, the housing 31 of the electric lifting column 3 is first placed in the accommodating space, the threaded hole on the housing 31 is initially aligned with the mounting hole 201, and then the fastening screw is mounted on the threaded hole of the housing 31 through the mounting hole 201, when mounting, the end of the fastening screw is not completely abutted against the cross beam 2, and a certain clearance still exists, so that the positioning shaft 301 and the positioning elongated slot 200 can move relatively.

It should be noted that, the specific implementation of the middle positioning shaft 301 of the present invention is not limited to the fastening screw in this embodiment, and may also be a pin, the mounting hole 310 on the housing 31 is a through hole, after the mounting hole 310 is initially aligned with the positioning elongated slot 200, the pin is inserted into the mounting hole 310, the pin and the mounting hole 310 may be in interference fit, for the pin, one long pin may simultaneously extend out of two outer sidewalls of the housing 31, or two short pins may be respectively inserted into two outer sidewalls of the housing 31; in addition, the positioning shaft 301 may also be a boss directly formed on the housing 31.

In order to make the electric lifting column 3 more stable in the first position state, the electric lifting column 3 includes two side ears 33, and in the first position, the side ears 33 are fixed to the cross beam 2 by fasteners, in this embodiment, there are two side ears 33 respectively disposed on the front and rear side walls of the housing 31, and when the electric lifting column 3 is in the first position, the positioning shaft 301 is located at the inner side end of the positioning long slot 200, and simultaneously the top surfaces of the side ears 33 also abut against the cross beam 2, so as to ensure that the electric lifting column 3 does not continue to expand outward, and in this state, the side ears 33 are fixed to the cross beam 2 by fasteners, so as to achieve complete fixation.

In order to ensure the stability of the table board 1, the side board frames 4 are usually installed at two ends of the cross beam 2, the side board frames 4 include side boards 41 and insertion boards 42, the cross beam 20 of the cross beam 2 in this embodiment is a hollow pipe 20, the insertion boards 42 are inserted into the hollow pipe 20, the side boards 41 and the insertion boards 42 are fixed on the hollow pipe 20 by fasteners, so that the side board frames 4, the electric lifting columns 3 and the cross beam 2 can be fixed by one fastener at the same time. In the design of the hole sites, the first hole site 421 is arranged on the plugboard 42, the second hole site 331 is arranged on the side lug 33, the third hole site (not shown in the figure) is arranged on the cross beam 2, and when the three hole sites are aligned, a fastening piece is used to penetrate through the plugboard for installation, which is very convenient, and for users, fewer fastening pieces need to be assembled.

In addition, the cross beam 2 in this embodiment is preferably a telescopic cross beam, that is, it can be extended and retracted in the transverse direction, and there are many telescopic structures, and this embodiment only exemplifies one of the embodiments, where the cross beam 2 includes a left cross beam 2A, a right cross beam 2C, and a middle cross beam 2B, the outer diameter of the middle cross beam 2B is the smallest, and two ends of the middle cross beam 2B are respectively inserted into the left cross beam 2A and the right cross beam 2C, which is equivalent to a form of a sleeve. The telescopic beam is generally used for adjusting the total length of the beam 2 so as to be suitable for the table boards 1 with different lengths, the telescopic beam is applied to the foldable electric lifting upright post 3 in the embodiment, and also has additional technical effects, because the length or height of the electric lifting upright posts 3 can have various specifications, when the two electric lifting upright posts 3 are completely folded, some electric lifting upright posts still have overlapping areas, or after some electric lifting upright posts 3 are completely folded, a large space is also reserved between the end parts of the two electric lifting upright posts 3, under the conditions, the telescopic cross beam can be used for adjusting the transverse distance between the two electric lifting columns 3, and the distance between the end parts of the two electric lifting columns 3 is reduced to the minimum as much as possible, so that the overall occupied space of the cross beam 2 and the electric lifting columns 3 can be reduced to the maximum.

During specific assembly, the electric lifting column 3 and the cross beam 2 form a pre-assembly, which is relative to a user, that is, when a manufacturer or a distributor packages and transports an electric lifting table product, the electric lifting column 3 and the cross beam 2 are pre-assembled, and the pre-assembly refers to assembling the positioning shaft 301 into the positioning elongated slot 200, so that the product is transported to the user, and the user only needs to unfold and fix the electric lifting column 3 and then assemble other assembling components, generally speaking, the assembling method of the electric lifting table comprises:

s1, preassembly: assembling a positioning shaft 301 of the electric lifting upright 3 into a positioning long groove 200 of the cross beam 2, so that the electric lifting upright 3 and the cross beam 2 form a preassembled assembly, and folding, storing and packaging at a second position;

s2, assembling: the electric lifting upright post 3 is unfolded to the first position, the electric lifting upright post 3 is fixed at the first position by a fastener, and other assembling components are assembled at the same time, wherein the assembling components can be a side plate frame 4, a foot rest 5 and the like.

The preassembly of S1 is basically completed before packaging and transportation, and the assembly of S2 is self-assembled by the user after transportation to the user terminal.

In the process, in order to further reduce the assembling steps of the user, in the pre-assembling step of S1, the table board 1, the electric lifting columns 3 and the cross beam 2 can be assembled together to form a pre-assembled assembly, that is, the three are fixed before packaging and transportation, so that the user does not need to assemble the table board 1 again during the assembling step of S2.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and those skilled in the art should understand that the present invention includes but is not limited to the contents described in the drawings and the above detailed description. Any modification which does not depart from the functional and structural principles of the present invention is intended to be included within the scope of the claims.

Claims

1. A foldable electric lifting table comprises a table frame, wherein the table frame comprises a cross beam, and electric lifting upright posts are respectively arranged at two ends of the cross beam; and under the second position, the positioning shaft slides to the outer side end of the positioning long groove, and meanwhile, the positioning shaft rotates towards the center direction of the cross beam in the positioning long groove so as to realize folding and storage.

2. A folding electric lifting table as claimed in claim 1, wherein said elongated positioning slot is an inclined slot having an inner end spaced from the top of the beam by a distance L1 and an outer end spaced from the top of the beam by a distance L2, satisfying L1 > L2.

3. A folding power operated lift table as set forth in claim 2 wherein the angle of inclination of the elongated positioning slot is between 1 ° and 45 °.

4. A foldable electric lifting table according to claim 1, wherein said cross member comprises a receiving space for receiving said electric lifting column, said positioning slots are respectively formed on two opposite inner sidewalls of said receiving space, and said positioning shafts are respectively formed on two opposite outer sidewalls of said electric lifting column.

5. A folding electric lifting table as claimed in claim 4, wherein said cross-piece includes two parallel cross-pieces, said positioning slot is provided on the inner side wall of said cross-piece, and an assembly hole for conveniently assembling said positioning shaft is provided between the outer side wall of said cross-piece and the positioning slot.

6. A folding electric lifting table according to claim 5, wherein the electric lifting column comprises a housing and a column part, the positioning shaft is a fastening screw mounted on the outer side wall of the housing, or the positioning shaft is a pin inserted into the housing, or the positioning shaft is a convex column formed on the housing.

7. A folding power operated lift table according to claim 1 wherein said power operated lift posts include side ears secured to the cross member by fasteners when in the first position.

8. A folding electric lifting table as claimed in claim 7, wherein the cross beam comprises two parallel cross bars, the cross bars are hollow tubes, the ends of the cross beam are provided with side plate frames, the side plate frames comprise side plates and plug plates, the plug plates are inserted into the hollow tubes, and the fasteners are used for fixing the side plates and the plug plates on the hollow tubes.

9. A folding power operated lift table according to claim 1 wherein said cross member is a telescoping cross member.

10. A folding power lift table according to claim 1, wherein said power lift legs are preassembled with said cross members to form a preassembled assembly.

11. A folding power driven lift table according to claim 10 wherein said pre-assembly further comprises a table, said power driven lift legs and said cross-members being secured to said table to form a pre-assembly.