阅读说明：本技术 一种翻转桌架和桌子 (Turnover table frame and table ) 是由 陈聪 石相君 于 2021-01-15 设计创作，主要内容包括：本发明公开了一种翻转桌架和桌子,属于升降桌技术领域,本发明中的翻转桌架,包括升降立柱、设在升降立柱上方的横梁和铰接在横梁上的纵梁,横梁上设有转轴,纵梁上开设长槽,转轴置于长槽中并在长槽中滑动和/或转动,长槽包括前端壁和后端壁,翻转桌架包括使用模式和收纳模式,通过纵梁在横梁上的翻转实现使用模式和收纳模式的转换,翻转桌架处于使用模式时,纵梁平置于横梁上,翻转桌架处于收纳模式时,纵梁侧置于横梁侧旁,且转轴对后端壁限位,本发明的纵梁中开设长槽,收纳时,将纵梁向上翻转至合适角度后,在向下推,使转轴在长槽中滑动至长槽后端壁,降低了纵梁的重心,提高了收纳时的稳定性。(The invention discloses a turnover table frame and a table, belonging to the technical field of lifting tables, wherein the turnover table frame comprises a lifting upright post, a cross beam arranged above the lifting upright post and a longitudinal beam hinged on the cross beam, the cross beam is provided with a rotating shaft, the longitudinal beam is provided with a long groove, the rotating shaft is arranged in the long groove and slides and/or rotates in the long groove, the long groove comprises a front end wall and a rear end wall, the turnover table frame comprises a use mode and a storage mode, the use mode and the storage mode are switched by overturning the longitudinal beam on the cross beam, when the turnover table frame is in the use mode, the longitudinal beam is horizontally arranged on the cross beam, when the turnover table frame is in the storage mode, the side of the longitudinal beam is arranged beside the cross beam, and the rotating shaft limits the rear end wall, the center of gravity of the longitudinal beam is reduced, and the storage stability is improved.)

1. A turnover table frame comprises a lifting upright post, a cross beam arranged above the lifting upright post and a longitudinal beam hinged on the cross beam, and is characterized in that a rotating shaft is arranged on the cross beam, a long groove is formed in the longitudinal beam, the rotating shaft is arranged in the long groove and slides and/or rotates in the long groove, the long groove comprises a front end wall and a rear end wall, the turnover table frame comprises a use mode and a storage mode, the use mode and the storage mode are switched by overturning the longitudinal beam on the cross beam, when the turnover table frame is in the use mode, the longitudinal beam is horizontally arranged on the cross beam, when the turnover table frame is in the storage mode, the longitudinal beam is laterally arranged beside the cross beam, and the rotating shaft limits the rear end wall.

2. A turnover table frame as claimed in claim 1, characterised in that said cross members are further provided with locking means by which said longitudinal members are locked to said cross members when said longitudinal members are in the use mode.

3. A turnover table frame as claimed in claim 2, characterised in that said longitudinal beams comprise tubular longitudinal beams, the lower tubular walls of said longitudinal beams being provided with notches for the vertical insertion of locking elements into the cavities of said longitudinal beams, said locking elements being slidably inserted parallel to said lower tubular walls and being self-locking.

4. A turnover table frame as claimed in claim 3, characterised in that said pivot axis is spaced from said front end wall by a distance equal to or greater than the sliding travel of said locking member in sliding parallel engagement with said lower tubular wall.

5. A flip table frame as claimed in claim 3 further comprising a securing tab by which the locking member is secured to the cross member.

6. A turnover table frame as claimed in claim 2, wherein the cross member is further provided with a connecting member, the rotary shaft is provided on the connecting member, and the locking member and the connecting member are provided at corresponding positions on the front and rear sides of the cross member.

7. A turnover table frame as claimed in claim 6 and including stops to limit the maximum turnover angle of the stringers.

8. A turnover table frame as claimed in claim 7, wherein the connecting member includes a fixing frame fixed to a side wall of the cross beam, the rotating shaft is provided at an upper end of the fixing frame, the fixing frame includes a bottom wall fixed to the side wall of the cross beam and side wings extending outwards along two sides of the bottom wall, the bottom wall forms the limiting portion, the bottom wall and the side wings enclose a clamping groove, and when the turnover table frame is in the storage mode, the longitudinal beam is clamped in the clamping groove.

9. A turnover table frame as claimed in claim 7, characterised in that a connection lug is provided at the upper edge of the cross-beam, the rotation shaft is provided on the connection lug, and the side wall of the cross-beam forms the limiting part.

10. A turnover table, which comprises a table top plate and is characterized by further comprising the turnover table frame as claimed in any one of claims 1 to 9, wherein the table top plate is fixed on the longitudinal beam.

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of lifting tables, in particular to a turnover 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.

[ summary of the invention ]

The invention aims to solve the technical problem of overcoming the defects in the prior art and designs a turnover table frame with simple structure and high stability.

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

a turnover table frame comprises a lifting upright post, a cross beam arranged above the lifting upright post and a longitudinal beam hinged on the cross beam, wherein a rotating shaft is arranged on the cross beam, a long groove is formed in the longitudinal beam, the rotating shaft is arranged in the long groove and slides and/or rotates in the long groove, the long groove comprises a front end wall and a rear end wall, the turnover table frame comprises a use mode and a storage mode, the use mode and the storage mode are switched by overturning the longitudinal beam on the cross beam, when the turnover table frame is in the use mode, the longitudinal beam is horizontally arranged on the cross beam, when the turnover table frame is in the storage mode, the longitudinal beam is laterally arranged beside the cross beam, and the rotating shaft limits the rear end wall.

The beneficial effect of this scheme of adoption:

1. by adopting the turnover table frame, the use and storage modes can be adjusted through turnover of the longitudinal beam according to the current needs, when the desk needs to be used in offices or in use, the longitudinal beam is turned downwards to be adjusted to the use mode, the longitudinal beam drives the desktop plate to be horizontally arranged on the cross beam, office or living goods are placed above the desktop plate and cannot slide off, the stability is high, after the desk is used, the longitudinal beam is turned upwards to be adjusted to the storage mode, the longitudinal beam drives the desktop plate to be laterally arranged beside the cross beam, the volume of the turnover lifting table is reduced, the occupied space in the horizontal direction is reduced, and the turnover lifting table frame can be stored and placed against a wall after being stored, so that the indoor space is greatly increased.

2. The longitudinal beam is provided with the elongated slot, and the rotating shaft rotates in the elongated slot to realize the turnover of the longitudinal beam on the cross beam, so that the stability of the desktop in a use mode is maintained, the desktop is prevented from being inclined or lifted, at the moment, the width center line of the longitudinal beam is overlapped with or close to the length center line of the cross beam, and after the use, when the longitudinal beam is turned upwards and adjusted to a storage mode, the gravity center of the longitudinal beam is higher than or close to the desktop, the longitudinal beam is easy to topple or swing and has poor stability.

Preferably, the cross beam is further provided with a locking piece, and when the longitudinal beam is in the use mode, the longitudinal beam is locked on the cross beam through the locking piece.

Preferably, the longitudinal beam comprises a tubular longitudinal beam, a notch enabling the locking piece to vertically enter the inner cavity of the tubular longitudinal beam is formed in the lower pipe wall of the tubular longitudinal beam, and the locking piece is inserted into the inner cavity of the tubular longitudinal beam in a sliding mode in parallel with the lower pipe wall and automatically locked.

Preferably, a distance is left between the rotating shaft and the front end wall, and the distance is greater than or equal to a sliding stroke when the locking piece is slidably inserted in parallel with the lower pipe wall.

Preferably, the locking device further comprises a fixing piece, and the locking piece is fixed on the cross beam through the fixing piece.

Preferably, the cross beam is further provided with a connecting piece, the rotating shaft is arranged on the connecting piece, and the locking piece and the connecting piece are arranged at corresponding positions on the front side and the rear side of the cross beam.

Preferably, the longitudinal beam further comprises a limiting part for limiting the maximum overturning angle of the longitudinal beam.

Preferably, the connecting piece includes the mount of fixing on the crossbeam lateral wall, the pivot is established the upper end of mount, the mount is including fixing diapire on the crossbeam lateral wall and the flank that outwards extends along diapire both sides, the diapire forms spacing portion, diapire and flank enclose into the draw-in groove, when upset table frame is in the mode of accomodating, the longeron card is in the draw-in groove.

Preferably, the upper edge of the cross beam is provided with a connecting lug, the rotating shaft is arranged on the connecting lug, and the side wall of the cross beam forms the limiting part.

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

the turnover table comprises a table top plate and the turnover 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 turnover 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 turnover 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 turnover table frame includes a lifting column 3, a cross beam 1 disposed above the lifting column 3, and a longitudinal beam 2 hinged to the cross beam 1, the cross beam 1 is provided with a rotating shaft 4, the longitudinal beam 2 is provided with a long groove 201, the rotating shaft 4 is disposed in the long groove 201 and slides and/or rotates in the long groove 201, the long groove 201 includes a front end wall 201a and a rear end wall 201b, the turnover table frame includes a use mode and a storage mode, the use mode and the storage mode are switched by turning the longitudinal beam 2 over the cross beam 1, when the turnover table frame is in the use mode, the longitudinal beam 2 is disposed on the cross beam 1, when the turnover table frame is in the storage mode, the longitudinal beam 2 is disposed beside the cross beam 1, and the rotating shaft 4 limits the rear end wall 201 b.

By adopting the turnover table frame, the use and storage modes can be adjusted through turnover of the longitudinal beam 2 according to the current needs, when the desk needs to be used in office or in use, the longitudinal beam 2 is turned downwards to be adjusted to be in the use mode, the longitudinal beam 2 drives the table top plate to be horizontally arranged on the cross beam 1, so that office or living goods are horizontally arranged above the table top, and cannot slide off, the stability is high, after the desk is used, the longitudinal beam 2 is turned upwards to be adjusted to be in the storage mode, the longitudinal beam 2 drives the table top plate to be arranged beside the cross beam 1, the volume of the turnover lifting table is reduced, the space occupied in the horizontal direction is reduced, and the turnover table frame can be stored and placed by a wall after being stored, so that the indoor movable space is greatly increased. 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. Meanwhile, the weight of the longitudinal beam 2 is reduced by adopting a long groove hollow structure.

In order to improve the stability of the turnover table frame in the use mode, as shown in fig. 3-6, a locking piece 5 is further arranged on the cross beam 1, the locking piece 5 is fixed on the cross beam 1 through a fixing piece 6, when the longitudinal beam 2 is in the use mode, the longitudinal beam 2 is locked on the cross beam 1 through the locking piece 5, so that the longitudinal beam 2 is fixed on the cross beam 1, and is prevented from inclining or shaking under the action of a heavy object or external force.

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, first diapire 501 and lower pipe wall 2a parallel cartridge and clearance fit, locking piece 5 is fixed on crossbeam 1, fix longeron 2 at crossbeam 1 through locking piece 5 and two different fixed points of pivot 4, first diapire 501 plays radial limiting displacement to longeron 2 lower pipe wall 2a to improve longeron 2 stability in vertical direction, when preventing heavy object or external force from one side pushing down the desktop board, the opposite side that the desktop corresponds is pressed. 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 locking piece 5 slides and separates from the lower pipe wall 2a 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 fixed on the lateral wall of the cross beam 1, the upper end of the mount 9 is established to the pivot 4, as shown in fig. 4, the mount 9 includes the diapire fixed on the lateral wall of the cross beam 1, that is, the second diapire 901, and the flank that outwards extends along both sides of the diapire, that is, the second flank 902, the upper end of the second flank 902 is higher than the upper surface of the cross beam 1, the upper end at two second flanks 902 is fixed respectively at both ends of the pivot 4, at this moment, the second diapire 901 forms spacing portion, the second diapire 901 and the second flank 902 enclose into a clamping groove, when the turnover table frame is in the storage mode, the longitudinal beam 2 is clamped in the clamping groove. 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.

Example two:

a turnover table comprises a table top plate and the turnover table frame in the first embodiment, wherein the table top plate is fixed on the 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.