CN112869349A

CN112869349A - Self-locking turnover lifting table frame and table

Info

Publication number: CN112869349A
Application number: CN202110052854.4A
Authority: CN
Inventors: 陈聪; 石相君
Original assignee: Ningbo Haishikai Drive Technology Co ltd
Current assignee: Ningbo Haishikai Drive Technology Co ltd
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2021-06-01
Anticipated expiration: 2041-01-15
Also published as: CN112869349B

Abstract

The invention discloses a self-locking turnover lifting table frame and a table, belonging to the technical field of turnover tables, wherein the turnover lifting table frame comprises a cross beam, a longitudinal beam and a lifting upright post, the cross beam is provided with a hinged piece and a locking piece, the longitudinal beam is hinged on the cross beam through the hinged piece and can turn over relative to the cross beam, the turnover lifting table frame comprises a use mode and a storage mode, the conversion between the use mode and the storage mode is realized through the turnover of the longitudinal beam on the cross beam, when the turnover lifting table frame is in the storage mode, the longitudinal beam is laterally arranged beside the cross beam, when the turnover lifting table frame is in the use mode, the longitudinal beam is horizontally arranged on the cross beam and is locked through the locking piece, the longitudinal beam comprises an inner cavity, the longitudinal beam is provided with a notch for enabling the locking piece to vertically enter the inner cavity, the locking piece is parallelly slidably inserted into the cavity, the longitudinal beam is limited in the radial direction, the stability of the longitudinal beam in the vertical direction is enhanced, and the safety in use is guaranteed.

Description

Self-locking turnover lifting table frame and table

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of turnover tables, in particular to a self-locking turnover lifting table frame and a table.

[ background of the invention ]

The lifting table is widely used in Europe and America, is gradually accepted and widely used in China, can adjust the height according to the using condition so as to achieve the most comfortable state of a human body, the table top of the existing lifting table is generally fixed and inconvenient to store, the room price is rapidly increased for people living in cities, the living space is small, the occupied space of the lifting table is large, and the whole room is crowded and narrow.

The traditional turnover table that can accomodate includes table frame and desktop board, and the table frame comprises crossing table leg, and desktop board and table frame pin joint are fixed, accomodates the time, draws in the table leg in, and the desktop board directly turns over the side and puts aside at the table leg side, and the easy fan of desktop board moves, and table leg poor stability, needs lean on in positions such as corner, and during the use, the table leg expandes, and the desktop board upwards overturns, and it is on the table frame to keep flat, does not have fixing device, turns on one's side easily, poor stability. At present, a lifting office table which can realize the turnover of a table top and can be automatically locked is arranged on the market, but the structure is complex, the cost is high, the production and assembly are complex, and the assembly and the use are inconvenient.

[ summary of the invention ]

The invention aims to solve the technical problem of overcoming the defects in the prior art and design a self-locking turnover lifting table frame which is simple in structure and low in production and assembly difficulty.

In order to solve the technical problems, the invention adopts the following technical scheme:

the utility model provides a but auto-lock upset lift table frame, includes crossbeam, longeron and establishes the lift stand in the crossbeam below, be equipped with articulated elements and locking piece on the crossbeam, the longeron passes through the articulated elements and articulates on the crossbeam and can overturn relative crossbeam, upset lift table frame is including user mode and storage mode, through the conversion of user mode and storage mode is realized in the upset of longeron on the crossbeam, upset lift table frame is when storage mode, the longeron side is located the crossbeam side is other, when upset lift table frame is in user mode, the longeron is arranged in flat on the crossbeam and through the locking of locking piece, the longeron includes the inner chamber, the longeron is equipped with and makes the locking piece get into perpendicularly breach in the inner chamber, the locking piece with the parallel slip cartridge in chamber wall and the automatic locking of inner.

The beneficial effect of this scheme of adoption:

1. the turnover lifting table frame has the advantages that the use and storage modes can be adjusted through turnover of the longitudinal beam according to needs, the functionality is strong, the operation is convenient, when the turnover lifting table frame needs to be worked out or used, the longitudinal beam is turned downwards and pulled backwards to a proper position in an inclined mode, the locking piece enters the inner cavity of the tubular longitudinal beam from the notch, the longitudinal beam is pushed forwards, the locking piece is inserted into the inner cavity in a sliding mode in parallel with the lower pipe wall of the longitudinal beam and is automatically locked, the longitudinal beam is fixed on the cross beam through the two fixing points of the longitudinal beam by the locking piece and the hinge piece, the longitudinal beam is limited axially and radially through automatic locking, the longitudinal beam is prevented from being lifted vertically or horizontally in the using process, and the stability of the turnover lifting table frame in the using.

2. Simultaneously the locking piece is in the inner chamber and with the cooperation mode of chamber wall parallel slip cartridge, radially further carry on spacingly to the longeron, the locking piece is fixed on the crossbeam, and radial spacing effect is better, has further strengthened the stability of longeron in vertical side to the security of upset lift table frame when using has further been guaranteed.

3. When the turnover lifting table frame is used and stored, the longitudinal beam is pulled backwards firstly to enable the locking piece to slide and break away from the lower pipe wall in parallel and reach the notch, and then the longitudinal beam is turned upwards to enable the locking piece to be pulled out of the notch.

Preferably, the longitudinal beam and the locking piece are automatically and elastically locked through an elastic pin.

Preferably, the locking element comprises a bottom wall parallel to the lower tubular wall and lateral wings extending upwards along the lateral edges of the bottom wall.

Preferably, the locking member is tapered in a longitudinal direction outwardly from the cross member.

Preferably, the elastic pin is arranged on the side pipe wall of the tubular longitudinal beam, and the side wing is provided with an insertion hole for inserting the front end of the spring pin; or the elastic pin is arranged on the lower pipe wall of the tubular longitudinal beam, and the horizontal bottom wall is provided with an insertion hole for inserting the front end of the elastic pin.

Preferably, the longitudinal beam and the locking member are fixed by a threaded fastener.

Preferably, the longitudinal beam is provided with a long groove, the hinge member is arranged in the long groove and can slide and/or rotate in the long groove, and the length of the long groove is greater than or equal to the sliding stroke of the locking member in parallel sliding insertion with the lower pipe wall.

Preferably, the hinge comprises a rotating shaft, the cross beam is provided with a fixing frame, and the rotating shaft is arranged at the upper end of the fixing frame.

Preferably, the locking piece and the hinge piece are arranged at the corresponding positions of the front side and the rear side of the cross beam.

The other technical scheme adopted by the invention is as follows:

the turnover table comprises a table top plate and the self-locking turnover lifting table frame in any technical scheme, wherein the table top plate is fixed on the longitudinal beam.

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

[ description of the drawings ]

The invention is further described with reference to the accompanying drawings in which:

fig. 1 is a schematic view of a three-dimensional structure of the self-locking turnover lifting table frame, two longitudinal beams are arranged at two ends of a cross beam, one longitudinal beam is in a use mode, and the other longitudinal beam is in a storage mode.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic view of another perspective structure of the self-locking turnover lifting table frame of the present invention.

Fig. 4 is a partial structural schematic view of the connecting piece of the invention mounted on a cross beam.

FIG. 5 is a partial structural view of the locking member of the present invention mounted on the cross member.

Fig. 6 is a partial cross-sectional view of the locking member in parallel insertion with the longitudinal beam of the present invention in the use mode.

Fig. 7 is a schematic perspective view of the longitudinal beam of the present invention.

Reference numerals: a cross beam 1; a front cross member 101; a rear cross member 102; a longitudinal beam 2; the lower tube wall 2 a; a long groove 201; front end wall 201 a; rear end wall 201 b; a notch 202; a first threaded hole 203; a lifting upright column 3; a rotating shaft 4; a locking member 5; a first bottom wall 501; a first side wing 502; a second threaded hole 503; a receptacle 502 a; a fixing piece 6; a spring pin 7; a first threaded fastener 8; a fixed frame 9; a second bottom wall 901; a second side wing 902; a second threaded fastener 10.

[ detailed description ] embodiments

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

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The first embodiment is as follows:

as shown in fig. 1 to 7, a lift table frame that can auto-lock upset, including crossbeam 1, longeron 2 and the lift stand 3 of establishing in crossbeam 1 below, be equipped with articulated elements and locking piece 5 on crossbeam 1, longeron 2 articulates on crossbeam 1 and can overturn relatively crossbeam 1 through the articulated elements, upset lift table frame is including using mode and mode of accomodating, realize using mode and the conversion of mode of accomodating through the upset of longeron 2 on crossbeam 1, when upset lift table frame is in the mode of accomodating, longeron 2 side is placed by crossbeam 1 side, when upset lift table frame is in using mode, longeron 2 is laid flat on crossbeam 1 and is locked through locking piece 5, longeron 2 includes the inner chamber, longeron 2 is equipped with the breach 202 that makes locking piece 5 get into in the inner chamber perpendicularly, locking piece 5 and the parallel sliding cartridge of chamber.

By adopting the turnover lifting table frame, the use and storage modes can be adjusted by turning the longitudinal beam 2 according to needs, the functionality is strong, the operation is convenient, when the desk is in office or used, the longitudinal beam 2 is turned downwards and pulled backwards to a proper position in an inclined mode, the locking piece 5 enters the inner cavity of the tubular longitudinal beam 2 from the notch 202 and then pushes the longitudinal beam 2 forwards, the locking piece 5 is inserted into the inner cavity in a sliding mode in parallel with the lower pipe wall of the longitudinal beam 2 and is locked automatically, the longitudinal beam 2 is fixed on the cross beam 1 by the two fixing points of the longitudinal beam 2 through the locking piece 5 and the hinged piece, the longitudinal beam 2 is limited axially and radially through automatic locking, the longitudinal beam 2 is prevented from being lifted vertically or sliding horizontally in the use process, and the stability of the turnover lifting table frame in use is improved. Simultaneously locking piece 5 in the inner chamber and with the cooperation mode of the parallel slip cartridge in chamber wall, radially carry out further spacing to longeron 2, locking piece 5 is fixed on crossbeam 1, and radial spacing effect is better, has further strengthened longeron 2 stability in vertical side to the security of upset lift table frame when using has further been guaranteed. When the turnover lifting table frame is used and stored, the longitudinal beam 2 is pulled backwards firstly to enable the locking piece 5 to slide and be separated from the lower pipe wall in parallel and reach the notch 202, and then the longitudinal beam 2 is turned upwards to enable the locking piece 5 to be pulled out of the notch 202.

In order to realize the parallel sliding insertion of the locking piece 5 and the cavity wall of the inner cavity, the longitudinal beam 2 is provided with a long groove 201, the rotating shaft 4 is arranged in the long groove 201 and slides and/or rotates in the long groove 201, the long groove 201 comprises a front end wall 201a and a rear end wall 201b, when the turnover lifting table frame is in a storage mode, the longitudinal beam 2 is laterally arranged beside the cross beam 1, and the rotating shaft 4 limits the rear end wall 201 b.

The longitudinal beam 2 is provided with the elongated slot 201, the rotating shaft 4 rotates in the elongated slot 201 to realize the turnover of the longitudinal beam 2 on the cross beam 1, in order to keep the stability of a table top in a use mode and avoid the table top from inclining or lifting, at the moment, the width center line of the longitudinal beam 2 is superposed with or close to the length center line of the cross beam 1, after the use is finished, when the longitudinal beam 2 is turned upwards and adjusted to a storage mode, the gravity center of the longitudinal beam 2 is higher than or close to the table top, the longitudinal beam is easy to topple or swing, and the stability is poor.

As shown in fig. 3 to 6, the locking piece 5 is fixed on the cross beam 1 by the fixing piece 6, in this embodiment, the locking piece 5 and the rotating shaft 4 are arranged at corresponding positions on the front and back sides of the cross beam 1, and the longitudinal beam 2 is vertically laid on the cross beam 1 in the use mode.

The longitudinal beam 2 in this embodiment is preferably a tubular longitudinal beam 2, as shown in fig. 6, the longitudinal beam 2 and the locking member 5 are specifically matched in a manner that a notch 202 enabling the locking member 5 to vertically enter an inner cavity of the tubular longitudinal beam 2 is arranged on a lower tube wall 2a of the tubular longitudinal beam 2, when office work or use is required, the longitudinal beam 2 is turned downwards and pulled backwards obliquely, the rotating shaft 4 slides forwards in the long groove 201, when the rotating shaft 4 slides to a front end wall 201a of the long groove 201, pulling is stopped, the longitudinal beam 2 is continuously turned downwards, the locking member 5 enters the inner cavity of the tubular longitudinal beam 2 from the notch 202, then the longitudinal beam 2 is pushed forwards, the locking member 5 is slidably inserted and automatically locked in the inner cavity parallel to the lower tube wall 2a, specifically, the locking member 5 comprises a bottom wall parallel to the lower tube wall 2a, namely a first bottom wall 501, and a side wing extending upwards along a side edge of the first bottom wall 501, namely a first side wing 502, the first bottom wall 501 and the lower pipe wall 2a are inserted in parallel and in clearance fit, the locking member 5 is fixed on the cross beam 1, and the first bottom wall 501 plays a role in radially limiting the lower pipe wall 2a of the longitudinal beam 2. When the longitudinal beam 2 is stored, the longitudinal beam 2 needs to be pulled backwards firstly until the rotating shaft 4 slides to the front end wall 201a of the long groove 201, namely, the lower pipe wall 2a of the locking piece 5 slides and separates in parallel, and then the longitudinal beam 2 is turned upwards.

In this embodiment, for the sake of easier positioning, the length of the long groove is designed so that when the rotating shaft 4 slides to the front end wall 201a of the long groove 201, the locking member 5 can be just inserted into the inner cavity of the tubular longitudinal beam 2 from the notch 202, and of course, in other embodiments, the rotating shaft 4 slides to a certain position in the long groove 201, and the locking member 5 can be inserted into the inner cavity of the tubular longitudinal beam 2 from the notch 202.

In order to realize the parallel insertion operation of the first bottom wall 501 and the lower tube wall 2a in the use mode, as shown in fig. 2, a distance is left between the rotating shaft 4 and the front end wall 201a, the distance is greater than or equal to the sliding stroke of the locking member 5 in the parallel sliding insertion with the lower tube wall 2a, and preferably the distance is equal to the sliding stroke of the locking member 5 in the parallel sliding insertion with the lower tube wall 2a, so that when the rotating shaft 4 slides to the rear end face of the long groove 201, the locking member 5 is just inserted into the notch 202.

Of course, in order to achieve the above effect, the length of the long groove 201 should be at least equal to the sliding stroke of the locking member 5 in the sliding insertion parallel to the lower tube wall 2a, and at this time, when the locking member 5 is automatically locked after being inserted in the inner cavity in the sliding insertion parallel to the lower tube wall 2a, the rotating shaft 4 slides right to the rear end wall 201b of the long groove 201.

In this embodiment, the locking member 5 is contracted from the cross beam 1 outwards along the length direction, that is, the first side wing 502 is an inclined surface, in order to improve the axial stability of the longitudinal beam 2 and prevent the horizontal sliding of the table top plate in the use process, as shown in fig. 2 and 6, the longitudinal beam 2 and the locking member 5 are automatically and elastically locked by the spring pin 7, specifically, the spring pin 7 is arranged on the side tube wall 2b of the tubular longitudinal beam 2, the first side wing 502 is provided with a jack 502a for inserting the front end of the spring pin 7, when the use mode is adjusted, in the process of pushing the longitudinal beam 2 forwards, the front end of the spring pin 7 automatically slides into the jack 502a along the inclined surface of the side wing, so as to realize the locking of the longitudinal beam 2, and also improve the radial stability of the longitudinal beam 2 and prevent. When the folding frame is used and stored, the head part of the spring pin 7 which is leaked outside is firstly grabbed and pulled outwards, the front end of the spring pin 7 is pulled out of the insertion hole 502a, and then the longitudinal beam 2 is turned upwards.

Of course, the spring pin 7 is provided on the lower tube wall 2a of the tubular longitudinal beam 2, and the horizontal first bottom wall 501 is provided with an insertion hole 502a into which the front end of the spring pin 7 is inserted.

In order to further improve the degree of stability when longeron 2 is connected with crossbeam 1, as shown in fig. 6,

longeron

2 and 5 rethread first threaded fastener 8 of locking piece are fixed, be equipped with the first screw hole 203 that supplies first threaded fastener 8 to pass on longeron 2, be equipped with the second screw hole 503 that supplies first threaded fastener 8 to pass on the locking piece 5, through first threaded fastener 8, make longeron 2 and crossbeam 1's connection more firm, avoid rocking, when adjusting the mode of accomodating, need earlier under 8 spiral shell of first threaded fastener.

In order to realize the installation and the limit of the rotating shaft 4, the cross beam 1 is further provided with a connecting piece and a limit part for limiting the maximum turnover angle of the longitudinal beam 2, the rotating shaft 4 is arranged on the connecting piece, and the locking piece 5 and the connecting piece are arranged at the corresponding positions of the front side and the rear side of the cross beam 1, as shown in fig. 3, the cross beam 1 in the embodiment comprises a front cross beam 101 and a rear cross beam 102, the front cross beam 101 and the rear cross beam 102 are preferably telescopic pipes, the lengths of the telescopic pipes can be adjusted according to the actual length of the actual table top board so as to match different specifications, the universality is improved, preferably, the connecting piece is arranged on the front side wall of the front cross beam 101, and the locking piece 5 is arranged on the rear side wall of the rear cross beam 102.

In this embodiment, as shown in fig. 2 to 4, the connecting piece includes the mount 9 of fixing on the lateral wall of crossbeam 1, the upper end at mount 9 is established to pivot 4, as shown in fig. 4, mount 9 is including fixing the diapire on the lateral wall of crossbeam 1, namely, second diapire 901, and the flank that outwards extends along diapire both sides, second flank 902, the upper end of second flank 902 exceeds the upper surface of crossbeam 1, the upper end at two second flanks 902 is fixed respectively at the both ends of pivot 4, second diapire 901 forms spacing portion this moment, second diapire 901 and second flank 902 enclose into the draw-in groove, when upset elevating table frame is in the mode of accomodating, longeron 2 card is in the draw-in groove, stability when improving longeron 2 and accomodating. If the long storage is not used, in order to maintain the stability during storage, as shown in fig. 2 to 4, the second bottom wall 901 and the longitudinal beam 2 may be fixed by the second threaded fastener 10, the second bottom wall 901 may be provided with a third threaded hole through which the second threaded fastener 10 passes, the longitudinal beam 2 may be provided with a fourth threaded hole through which the second threaded fastener 10 passes, and of course, the length of the long groove 201 may be adjusted so that the fourth threaded hole overlaps the first threaded hole 203.

Of course, in order to simplify the structure, two engaging lugs may be directly provided at the upper edge of the cross beam 1, and the rotating shaft 4 may be provided between the engaging lugs, in which case the side wall of the cross beam 1 forms a limiting portion.

In order to improve the stability of the table top during use and turning, the cross beam 1 in this embodiment is provided with at least two longitudinal beams 2, as shown in fig. 1 and 3, and the two longitudinal beams 2 are symmetrically distributed on the left and right sides of the cross beam 1.

The turnover lifting table frame also comprises lifting upright posts 3 serving as table legs, and the lifting upright posts 3 are arranged below the cross beams 1, so that the turnover lifting table frame can be adjusted in height according to the use condition, and the most comfortable state of a human body is achieved.

Example two:

a turnover table comprises a table top plate and the self-locking turnover lifting table frame in the first embodiment, wherein the table top plate is fixed on a longitudinal beam 2.

While the foregoing is directed to embodiments of the present invention, the scope of the invention should not be limited thereby, and it will be apparent to those skilled in the art that the invention includes, but is not limited to, those illustrated in the drawings and described in the foregoing detailed description. Any modification which does not depart from the functional and structural principles of the invention is intended to be included within the scope of the claims.

Claims

1. The utility model provides a but auto-lock upset lift table frame, includes crossbeam, longeron and establishes the lift stand in the crossbeam below, a serial communication port, be equipped with articulated elements and locking piece on the crossbeam, the longeron passes through the articulated elements and articulates on the crossbeam and can overturn relative crossbeam, upset lift table frame is including user mode and storage mode, through the user mode and the conversion of storage mode are realized in the upset of longeron on the crossbeam, upset lift table frame is when storage mode, the longeron side locate the crossbeam side is other, when upset lift table frame is in user mode, the longeron is arranged in flat on the crossbeam and through the locking of locking piece, the longeron includes the inner chamber, the longeron is equipped with and makes the locking piece get into perpendicularly breach in the inner chamber, the locking piece with the parallel slip cartridge in chamber wall and the automatic locking of.

2. The self-lockable flip lift table frame as claimed in claim 1, wherein the longitudinal beam and the locking member are automatically and elastically locked by an elastic pin.

3. The self-lockable flip lift table frame of claim 2 wherein the locking member comprises a bottom wall parallel to the lower duct wall and side flaps extending upwardly along the sides of the bottom wall.

4. The self-lockable flip lift table as claimed in claim 3 wherein the locking member is retractable lengthwise from the cross member outwardly.

5. The self-locking turnover lifting table frame as claimed in claim 3, wherein the elastic pin is arranged on the side wall of the tubular longitudinal beam, and the side wing is provided with a jack into which the front end of the elastic pin is inserted; or the elastic pin is arranged on the lower pipe wall of the tubular longitudinal beam, and the horizontal bottom wall is provided with an insertion hole for inserting the front end of the elastic pin.

6. The self-lockable flip lift table frame of claim 2 wherein the stringers and locking members are secured by threaded fasteners.

7. The self-locking turnover lifting table frame as claimed in claim 1, wherein the longitudinal beam is provided with a long groove, the hinge member is disposed in the long groove and can slide and/or rotate in the long groove, and the length of the long groove is greater than or equal to the sliding stroke of the locking member when the locking member is slidably inserted in parallel with the lower pipe wall.

8. The self-lockable turnover lifting table frame as claimed in any one of claims 1 to 7, wherein the hinge comprises a rotating shaft, the cross beam is provided with a fixed frame, and the rotating shaft is arranged at the upper end of the fixed frame.

9. The self-lockable flip lifting table frame as claimed in claim 8, wherein the locking member and the hinge member are provided at corresponding positions on the front and rear sides of the cross member.

10. A turnover lifting table comprises a table top plate and is characterized by further comprising the self-locking turnover lifting table frame in any one of claims 1-9, and the table top plate is fixed on the longitudinal beam.