CN217658639U - Lifting table - Google Patents

Abstract

The utility model relates to the field of home furnishing, in particular to a lifting table, which comprises three table legs, two crossbeams, a plurality of driving mechanisms for driving the table legs to lift and a table panel, wherein two adjacent table legs are connected through the crossbeams, and the lifting table also comprises two extension plates which are both arranged on the same table leg; one ends of the two cross beams are respectively connected with the two extension plates arranged on the same table leg in a hinged and sliding connection mode, and the other ends of the two cross beams are respectively connected with the other two table legs; when the driving mechanism drives the table legs to ascend and descend, the table legs can drive the cross beams, the extension plates and the panels to move up and down. Like this for the user can change the contained angle between two adjacent crossbeams according to actual demand, and then makes the desk can change between two kinds of forms of long table and corner table, with the different occasions of adaptation.

Description

Lifting table

Technical Field

The utility model relates to a house field especially relates to a lift table.

Background

The table is a common living furniture, has a plane on the table and a pillar under the table, and can be used for placing things, doing things, eating, writing, working and the like on the table; the existing tables on the market are divided into different models, the tables are used for selecting different heights according to requirements, the table legs of some tables are arranged into table legs which can be extended and shortened in order to meet the requirements of more users, but the shapes and the sizes of the tables are generally fixed and unchanged, and the tables with different shapes and different lengths can be ordered only in order to adapt to different occasions.

Patent document CN 213464171U discloses a novel lifting controlled automatic lifting table, comprising: a supporting beam, a plurality of driving mechanisms and a plurality of lifting table legs. An adapter and a motor control box are independently arranged on one side of the supporting beam, and the adapter is electrically connected with the motor control box; the driving mechanisms are fixedly connected with the supporting beam, and the motor control box is in signal connection with the driving mechanisms; each lifting table leg is in driving connection with one corresponding driving mechanism.

Although the height of the table is changed by controlling the lifting of the table legs in the prior art, the shape of the table cannot be changed according to the requirements of users and space.

Patent document with publication number CN102336200B discloses a drawing table, which comprises table legs, and further comprises: the lifting table comprises a sliding table top, a lifting table top, a fixed seat and a lifting device; the lifting device comprises a spiral lifting mechanism and a first connecting rod, the spiral lifting mechanism comprises a fixed sleeve, a rotary sleeve, a driving plate, a connecting shaft and a lifting cylinder, a spiral groove is formed in the side wall of the rotary sleeve, the lifting cylinder is inserted into the rotary sleeve, the connecting shaft is inserted into the spiral groove and is fixedly arranged on the lifting cylinder along the radial direction, the driving plate is fixedly arranged at the upper end part of the rotary sleeve, and the rotary sleeve is inserted into the fixed sleeve; the fixing seat is fixedly arranged on the table leg, the fixing seat is provided with a mounting groove, the fixing sleeve is fixedly arranged at one end of the mounting groove, the lifting table top is fixedly arranged on the lifting cylinder, the sliding table top is slidably arranged on the fixing seat, the driving plate is hinged with the first connecting rod, and the first connecting rod is in driving connection with the sliding table top to drive the first connecting rod to move.

However, although the size and shape of the table top are changed by drawing, the table lacks a support for the sliding panel, so that the table lacks a certain stability in the use process, and the table is prone to side rollover when the side of the sliding panel is subjected to a large force.

SUMMERY OF THE UTILITY MODEL

In order to satisfy user's user demand among the solution prior art, need be a long table of a plurality of desk amalgamations, waste time and energy, the utility model aims to provide a lifting table for through the connected mode who changes crossbeam and table leg, the contained angle of two adjacent crossbeams can be adjusted, makes the desk can change between long table and turning table, when satisfying user demand, improves the usability and the application scope of desk.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a lifting table, including the table leg that can go up and down, the crossbeam, a plurality of actuating mechanism that are used for driving the table leg to go up and down and the panel that is used for supporting article, when actuating mechanism drive table leg goes up and down, the table leg can drive crossbeam and panel and reciprocate, the table leg has three first table leg respectively, second table leg and third table leg, the crossbeam has two to be first crossbeam and second crossbeam respectively, the desk still includes the extension board, the extension board has two to be first extension board and second extension board respectively, curved first slide opening has been seted up to first extension board, set up curved second slide opening on the second extension board, first extension board and second extension board are all installed on the second table leg, the one end and the first table leg fixed connection of first crossbeam, the other end and the first extension board of first crossbeam are articulated, first crossbeam passes through the first slide opening sliding connection on first connecting piece and the first extension board, the one end and the third table leg fixed connection of second crossbeam, the other end and the second extension board of second crossbeam are articulated, the second crossbeam passes through the second slide opening and is connected on the second extension board. Therefore, a user can change the included angle between two adjacent beams according to actual requirements, so that the length and the shape of the table are changed, the table is suitable for different occasions, and the practicability of the table is improved; meanwhile, the height of the table can be changed by the lifting table legs so as to adapt to different crowds and occasions. Compared with the traditional structure of extending the table top by drawing, the invention has more supporting points, can support the table at multiple points, and ensures the stability and safety of the table in the using process.

Preferably, the first beam comprises two support rods, the same ends of the two support rods of the first beam are fixedly connected with the first table legs, and the other ends of the two support rods of the first beam are respectively hinged and slidably connected with the first extension plate; the second crossbeam includes two bracing pieces, and same one end of two bracing pieces of second crossbeam all with third table leg fixed connection, the other end of two bracing pieces of second crossbeam is articulated and sliding connection with second extension board respectively. Like this, the difference and traditional board-like crossbeam, the crossbeam that two support columns in this scheme are constituteed is more convenient and table leg between be connected and the location for the installation of desk is more convenient, also reduces the whole weight of desk simultaneously.

Preferably, the desk further comprises two supporting plates for mounting the desk panel, and the supporting plates are respectively fixed on the first desk leg and the third desk leg.

Preferably, the first table leg, the second table leg and the third table leg are identical in lifting structure and respectively comprise a first sleeve, a second sleeve, a screw rod and an internal thread sleeve, the screw rod is in transmission connection with a driving mechanism, the screw rod is inserted into the first sleeve, the screw rod is in rotation connection with the first sleeve, the internal thread sleeve is fixed in the second sleeve, the first sleeve is inserted into the second sleeve from top to bottom, the first sleeve is in sliding connection with the second sleeve, the internal thread sleeve is inserted into the first sleeve, and the screw rod is in threaded connection with the internal thread sleeve; the first extension plate and the second extension plate are both connected with the first sleeve of the second table leg. Like this, through sliding connection between first sleeve and the second sleeve and cup joint each other between lead screw and the internal thread cover, improve the bulk strength of table leg, guarantee the stability that the desk goes up and down.

Preferably, the inner wall of the second sleeve is provided with a plurality of guide grooves, the outer side surface of the first sleeve is fixedly provided with a plurality of guide sheets, the guide sheets are inserted into the guide grooves, and the guide sheets can slide along the guide grooves; the table may also include a foot for support, the foot being mounted on the second sleeve. Therefore, the table legs can be lifted more stably.

As preferred, the lead screw passes through the mount pad and rotates to be installed on first sleeve, the mount pad includes apron and a plurality of locking post, apron bottom arch has first locking portion and a plurality of second locking portion, sunken formation a plurality of accommodation spaces on the lateral wall of first locking portion, second locking portion is located the accommodation space outside, a plurality of connecting holes have still been seted up on the apron, connecting hole and accommodation space intercommunication, it has the location arch to protruding on the second locking portion lateral surface, first sleeve inside wall is equipped with a plurality of locating holes, the locking post passes the connecting hole and inserts in the accommodation space, the locking post prevents that second locking portion is inboard movable, make the location arch restricted in first telescopic locating hole. Therefore, the screw rod is convenient to install quickly, the manufacturing difficulty of parts is reduced, and the assembly efficiency of the table is improved; and the mounting seat and the first sleeve can be prevented from being separated accidentally, so that the stability and the safety of the table are improved.

Preferably, the drive mechanism comprises a drive, which is an electric motor, a motor or a pneumatic cylinder.

Preferably, the table further comprises a driving seat plate and a driving cover plate, the driving seat plate is installed on the table legs or the cross beams, the driving cover plate is buckled on the driving seat plate, a cavity for installing a driver is formed between the driving cover plate and the driving seat plate, and the driver is installed on the driving seat plate in the cavity. Therefore, the driver is always in a stable space, the driver is prevented from being accidentally damaged, and the service life of the desk is prolonged.

Preferably, the first table leg, the second table leg and the third table leg are driven by respective drivers to ascend and descend.

Preferably, the first table leg, the second table leg and the third table leg are driven by the same driver to lift.

The technical scheme of the utility model beneficial effect does: 1, by changing the connection mode of the cross beams and the table legs, a user can change the included angle between two adjacent cross beams according to actual requirements, so that the length and the shape of the table are changed, the table is converted between a long table and a corner table, different occasions are adapted, and the practicability of the table is improved; meanwhile, the height of the table can be changed by the lifting table legs to adapt to different crowds and occasions; meanwhile, compared with the structure of drawing and extending the desktop in the traditional scheme, the multifunctional desk has more supporting points, can support the desk at multiple points, and ensures the stability and safety of the desk in the using process; 2, the sliding connection between the first sleeve and the second sleeve and the mutual sleeving between the screw rod and the internal thread sleeve improve the overall strength of the table legs and ensure the lifting stability of the table; the 3 lead screw can be installed on first sleeve through the mount pad fast, has improved the packaging efficiency of table leg, makes the mount pad can quick locking avoid it to break away from with first sleeve on first sleeve simultaneously through the structural style of mount pad.

Drawings

FIG. 1 is a schematic view of a lifting table;

FIG. 2 is a schematic view of the connection structure of the table leg, the driving mechanism and the extending plate;

FIG. 3 is a schematic view of the connection structure of the table leg and the driving structure;

figure 4 is an exploded view of the table leg and drive mechanism;

FIG. 5 is a schematic view of an installation structure of the seat and the first sleeve;

fig. 6 is a schematic structural diagram of the mounting seat.

Reference numerals: 11. a first sleeve; 111. positioning holes; 12. a second sleeve; 13. a screw rod; 14. an internal thread sleeve; 15. a mounting seat; 151. a cover plate; 152. a first locking portion; 153. a second locking portion; 1531. positioning a projection; 154. a locking post; 155. an accommodating space; 156. through the hole; 16. a guide piece; 101. a first table leg; 102. a second table leg; 103. a third table leg; 21. a first cross member; 211. a first connecting member; 22. a second cross member; 221. a second connecting member; 3. a footing; 4. a support plate; 5. a drive mechanism; 51. a driving seat plate; 52. a driver; 53. a drive cover plate; 61. a first spreader plate; 611. a first sliding hole; 62. a second spreader plate; 621. and a second sliding hole.

Detailed Description

Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary intended for explaining the present invention, and should not be construed as limiting 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 or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed 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," and "fixed" are to be construed broadly and may, 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 meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present application, unless expressly stated or limited otherwise, the recitation of a first feature "on" or "under" a second feature may include the recitation of the first and second features being in direct contact, and may also include the recitation of the first and second features not being in direct contact, but being in contact with another feature between them. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.

A lifting table as shown in fig. 1 and 2, including the table leg that can go up and down, the crossbeam, a plurality of actuating mechanism 5 and the table panel that are used for driving the table leg to go up and down, when actuating mechanism 5 drives the table leg to go up and down, the table leg can drive crossbeam and panel and reciprocate, the table leg has three to be first table leg 101 respectively, second table leg 102 and third table leg 103, the crossbeam has two to be first crossbeam 21 and second crossbeam 22 respectively, the table still includes the extension board, the extension board has two to be first extension board 61 and second extension board 62 respectively, curved first slide hole 611 has been seted up to first extension board 61, set up curved second slide hole 621 on the second extension board 62, first extension board 61 and second extension board 62 are all installed on second table leg 102, the one end of first crossbeam 21 and first table leg 101 fixed connection, the other end of first crossbeam 21 is articulated with first extension board 61, first crossbeam 21 passes through first connecting piece 211 and the first slide hole 621 on first extension board 61, the other end of second crossbeam is connected with second slide hole 611, second extension board 221 is connected with second extension board 22, the other end of second crossbeam is connected with second slide hole 611, second extension board is connected with second extension board 22, the slide hole 221 on second extension board 22. Due to the arrangement, a user can change the included angle between the adjacent first cross beam and the second cross beam according to actual requirements, so that the table can be switched between a long table and a corner table, different occasions can be adapted, and the practicability of the table is improved; meanwhile, the height of the table can be changed by the lifting table legs so as to adapt to different crowds and occasions. Further, in order to prevent the over-adjustment, the radian of the first sliding hole 611 and the radian of the second sliding hole 621 are both 20 ° to 60 °, and in this embodiment, the maximum rotation angle between the adjacent first cross beam and the second cross beam is 90 °. Further, the first beam 21 includes two support rods, the same ends of the two support rods of the first beam 21 are both fixedly connected with the first table leg 101, and the other ends of the two support rods of the first beam 21 are respectively hinged and slidably connected with the first extending plate 61; the second beam 22 comprises two support rods, the same ends of the two support rods of the second beam 22 are fixedly connected with the third table leg 103, and the other ends of the two support rods of the second beam 22 are respectively hinged and slidably connected with the second extending plate 62; the first and second links 211 and 221 are pins or rollers. Like this, the crossbeam that difference and traditional board-like crossbeam, two support columns in this scheme are constituteed more convenient and table leg between be connected and the location for the installation of desk is more convenient, also reduces the whole weight of desk simultaneously.

In this embodiment, the table further comprises a support plate 4 for mounting the table top, and the support plate 4 is fixedly connected with the table legs. In this way, the stability of the table can be increased.

In the embodiment shown in fig. 3 and 4, the lifting structures of the first leg 101, the second leg 102 and the third leg are the same, taking the structure of the first leg 101 as an example, the first leg 101 includes a first sleeve 11, a second sleeve 12, a lead screw 13 and an internal thread sleeve 14, the lead screw 13 is in transmission connection with the driving mechanism 5, the lead screw 13 is inserted into the first sleeve 11, the lead screw 13 is rotatably connected with the first sleeve 11, the internal thread sleeve 14 is fixed in the second sleeve 12, the first sleeve 11 is inserted into the second sleeve 12 from top to bottom, the internal thread sleeve 14 is inserted into the first sleeve 11, and the lead screw 13 is in threaded connection with the internal thread sleeve 14. Therefore, the sliding connection between the first sleeve 11 and the second sleeve 12 and the mutual sleeving between the screw rod 13 and the internal thread sleeve 14 improve the overall strength of the table legs and ensure the lifting stability of the table. Furthermore, a plurality of guide grooves are formed in the inner wall of the second sleeve 12, a plurality of guide pieces 16 are fixed on the outer side surface of the first sleeve 11, the guide pieces 16 are inserted into the guide grooves, and the guide pieces 16 can slide along the guide grooves. Therefore, the table legs can be lifted more stably. Furthermore, the table also comprises a plurality of feet 3 for supporting, and the feet 3 are respectively arranged at the bottoms of the second sleeves 12 of the three table legs; the first extension board 61 and the second extension board 62 are fixedly connected to the first sleeve 11 of the second leg 102.

As shown in fig. 3 to 6, further, the screw 13 is rotatably mounted on the first sleeve 11 through the mounting base 15, the mounting base 15 includes a cover plate 151 and a plurality of locking posts 154, a first locking portion 152 and a plurality of second locking portions 153 are protruded from a bottom of the cover plate 151, a plurality of accommodating spaces 155 are formed by recessing an outer side wall of the first locking portion 152, the second locking portions 153 are located outside the accommodating spaces 155, a plurality of connecting holes are further formed in the cover plate 151, the connecting holes are communicated with the accommodating spaces 155, a positioning protrusion 1531 is protruded on an outer side surface of the second locking portion 153, a plurality of positioning holes 111 are formed in a side wall of the first sleeve 11, when the locking posts 154 pass through the connecting holes and are inserted into the accommodating spaces 155, the locking posts 154 prevent the second locking portions 153 from moving inward, so that the positioning protrusion 1531 is limited in the positioning holes 111 of the first sleeve 11. Therefore, the screw rod 13 is convenient to mount quickly, the manufacturing difficulty of parts is reduced, and the assembly efficiency of the table is improved. The mounting seat 15 and the first sleeve 11 can be prevented from being separated accidentally, and the stability and the safety of the table are improved. Furthermore, a through hole 156 is formed in the mounting seat 15, and the top section of the screw rod 13 passes through the through hole 156 to be connected with the driving mechanism 5.

As shown in fig. 3 and 4, in the present embodiment, the driving mechanism 5 includes a driving seat plate 51, a driving cover plate 53 and a driver 52 for driving the table leg to move up and down, the driving seat plate 51 is mounted on the first sleeve 11 of the table leg, the driving cover plate 53 is buckled on the driving seat plate 51, a cavity for mounting the driver 52 is formed between the driving cover plate 53 and the driving seat plate 51, and the driver 52 is mounted on the driving seat plate 51 in the cavity. Therefore, the driver is always in a stable space, the driver is prevented from being accidentally damaged, and the service life of the desk is prolonged. In other embodiments, the drive seat plate 51 may be mounted on the cross beam. Further, in the present embodiment, the driver 52 is an electric motor, a motor, or an air cylinder. In this embodiment, the first leg 101, the second leg 102 and the third leg 103 are driven to move up and down by the respective drivers 52. In other embodiments, the first leg 101, the second leg 102 and the third leg 103 can be driven to ascend and descend by the same driver 52.

In the description of the present specification, reference to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present invention have been shown and described, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that changes, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the principles and spirit of the present invention.

Claims (10)

1. The utility model provides a lifting table, includes table leg, crossbeam, a plurality of actuating mechanism (5) and the desk panel that are used for driving the table leg to go up and down, and when actuating mechanism (5) drive table leg goes up and down, the table leg can drive crossbeam and panel and reciprocate its characterized in that: the table leg has three and is first table leg (101) respectively, second table leg (102) and third table leg (103), the crossbeam has two to be first crossbeam (21) and second crossbeam (22) respectively, the table still includes the extension board, the extension board has two to be first extension board (61) and second extension board (62) respectively, curved first sliding hole (611) have been seted up in first extension board (61), curved second sliding hole (621) have been seted up on second extension board (62), first extension board (61) and second extension board (62) are all installed on second table leg (102), the one end and first table leg (101) fixed connection of first crossbeam (21), the other end and first extension board (61) of first crossbeam (21) are articulated, first crossbeam (21) pass through first sliding hole (611) sliding connection on first extension board (61), the one end and the third crossbeam (22) fixed connection of second crossbeam (103) and second extension board (611) are connected, the second crossbeam (22) and second extension board (611) are connected, the other end and second extension board (611) are connected.

2. A lifting table as claimed in claim 1, wherein: the first beam (21) comprises two support rods, the same ends of the two support rods of the first beam (21) are fixedly connected with the first table legs (101), and the other ends of the two support rods of the first beam (21) are hinged and slidably connected with the first extension plate (61) respectively; the second beam (22) comprises two support rods, the same ends of the two support rods of the second beam (22) are fixedly connected with the third table legs (103), and the other ends of the two support rods of the second beam (22) are hinged and slidably connected with the second extending plate (62) respectively.

3. A lifting table as claimed in claim 1, wherein: the desk further comprises two supporting plates (4) used for installing the desk panel, and the supporting plates (4) are respectively fixed on the first desk leg (101) and the third desk leg (103).

4. A lifting table as claimed in claim 1, wherein: the lifting structure of the first table leg (101), the lifting structure of the second table leg (102) and the lifting structure of the third table leg (103) are the same, the lifting structure comprises a first sleeve (11), a second sleeve (12), a screw rod (13) and an internal thread sleeve (14), the screw rod (13) is in transmission connection with a driving mechanism (5), the screw rod (13) is inserted into the first sleeve (11), the screw rod (13) is in rotary connection with the first sleeve (11), the internal thread sleeve (14) is fixed in the second sleeve (12), the first sleeve (11) is inserted into the second sleeve (12) from top to bottom, the first sleeve (11) is in sliding connection with the second sleeve (12), the internal thread sleeve (14) is inserted into the first sleeve (11), and the screw rod (13) is in threaded connection with the internal thread sleeve (14); the first extension plate and the second extension plate are both connected with the first sleeve (11) of the second table leg.

5. A lifting table as claimed in claim 4, wherein: a plurality of guide grooves are formed in the inner wall of the second sleeve (12), a plurality of guide sheets (16) are fixed on the outer side surface of the first sleeve (11), the guide sheets (16) are inserted into the guide grooves, and the guide sheets (16) can slide along the guide grooves; also comprises a foot which is arranged on the second sleeve (12).

6. A lifting table as claimed in claim 4, wherein: lead screw (13) are installed on first sleeve (11) through mount pad (15) rotation, mount pad (15) are including apron (151) and a plurality of locking post (154), apron (151) bottom arch has first locking portion (152) and a plurality of second locking portion (153), sunken formation a plurality of accommodation space (155) on the lateral wall of first locking portion (152), second locking portion (153) are located the accommodation space (155) outside, a plurality of connecting holes have still been seted up on apron (151), the connecting hole communicates with accommodation space (155), second locking portion (153) outside arch has location arch (1531), be equipped with a plurality of locating holes (111) on first sleeve (11) lateral wall, when locking post (154) pass the connecting hole and insert in accommodation space (155), locking post (154) prevent second locking portion (153) activity to the inboard, make location arch (1531) restricted in locating hole (111) of first sleeve (11).

7. A lifting table as claimed in claim 1, wherein: the driving mechanism (5) comprises a driver (52), and the driver (52) is an electric motor, a motor or an air cylinder.

8. A lifting table as claimed in claim 7, wherein: the novel table tennis table is characterized by further comprising a driving seat plate (51) and a driving cover plate (53), wherein the driving seat plate (51) is installed on table legs or cross beams, the driving cover plate (53) is buckled and pressed on the driving seat plate (51), a cavity for installing a driver (52) is formed between the driving cover plate (53) and the driving seat plate (51), and the driver (52) is installed on the driving seat plate (51) in the cavity.

9. A lifting table as claimed in claim 7, wherein: the first table leg (101), the second table leg (102) and the third table leg (103) are driven to lift by respective drivers (52).

10. A lifting table as claimed in claim 7, wherein: the first table leg (101), the second table leg (102) and the third table leg (103) are driven by the same driver (52) to lift.

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