Automatic lifting and pulling table

Abstract

The utility model discloses an automatic lifting drawing table which comprises drawing table tops, a lifting table top and a table leg assembly, the lifting table top is arranged between the two drawing table tops, a rack is arranged at the bottom of each drawing table top, and gears meshed with each other are arranged between the two racks; a first connecting plate is fixedly arranged on the side portion of the drawing table top, a moving part is arranged on the first connecting plate, the lifting table top is connected with a second connecting plate, a moving groove is formed in the second connecting plate, and the moving part is arranged in the moving groove in a sliding mode; through matched transmission of the gear and the rack, synchronous opening and synchronous closing of the two drawing table tops are achieved; through the sliding fit design of the moving part and the moving groove, the moving part can be controlled to directionally move in the moving groove when the drawing table top is moved, the moving part sliding in a reciprocating mode can drive the lifting table top to ascend and descend, the height of the lifting table top is flush with the height of the drawing table top after ascending, and the lifting table top is just arranged in the step groove of the drawing table top after descending, so that space is saved; the length of the desktop can be flexibly adjusted.

Description

Technical Field

[0001] The utility model belongs to the technical field of furniture products, and in particular relates to an automatic lifting and pulling table. Background Art

[0002] In people's daily life, tables are indispensable for gatherings, dining, leisure, entertainment or work. However, most daily tables are fixed and the size of the table cannot be changed. When the space for placing the table or the occasion of use changes, such as moving from a large room to a small room, the number of people using the table changes, or the table is used or idle alternately, it will cause many inconveniences.

[0003] Chinese patent CN 202842768 U discloses a stretchable desktop structure. By setting an extension surface and a desktop interlocking surface, the use area of ​​the desktop can be increased. When the use area does not need to be increased, the extension surface can be removed and placed inside the receiving part. It is easy to use and the use of the desk can be increased without changing the desk. However, this patent achieves the change of the desktop by adding an extension surface. It is not a truly stretchable desktop. The additional extension surface increases the cost on the one hand and occupies extra space on the other. In addition, the existing stretchable desktop cannot achieve synchronous stretching or closing of both ends of the desktop. Therefore, in people’s daily lives, designing a truly pull-out desktop has important practical significance. Utility Model Content

[0004] In view of the above problems, the utility model provides an automatic lifting pull-out table to solve the inconvenience caused by the fixed length of the desktop in people's daily life and the technical problems that the existing stretchable desktop cannot achieve synchronous stretching or closing of the two ends of the desktop and cannot achieve a truly stretchable desktop.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] An automatic lifting pull-out table comprises a pull-out table top, a lifting table top and a table leg assembly, wherein the pull-out table tops are two in number and are symmetrically arranged on the left and right, the lifting table top is arranged between the two pull-out table tops, a rack is arranged at the bottom of each pull-out table top, a meshing gear is arranged between the two racks, and the synchronous movement of the two pull-out table tops is achieved through the transmission structure of the racks and the gears; a first connecting plate is fixedly arranged on the side of the pull-out table top, a moving part is arranged on the first connecting plate, the lifting table top is connected to a second connecting plate, a movable groove is arranged on the second connecting plate, the moving part is slidably arranged in the movable groove, the movement of the pull-out table top drives the moving part to move in the movable groove, drives the lifting table top to rise and fall, and completes the adjustment of the overall table top length.

[0007] Furthermore, the movable groove includes a first movable groove and a second movable groove arranged in parallel and an inclined groove connecting the first movable groove and the second movable groove.

[0008] Furthermore, one end of the inclined groove is connected to one end of the first movable groove, and the other end of the inclined groove is connected to the middle of the second movable groove.

[0009] Furthermore, the table leg assembly is fixedly provided with a long strip arranged in parallel, a pulley positioning piece is arranged on the long strip, an upper and lower pulleys are arranged on the pulley positioning piece, the rack is movably arranged between the upper and lower pulleys, a positioning plate is also arranged between the two long strips, and the gear is fixed on the positioning plate and meshes with the two racks.

[0010] Furthermore, each pull-out table top is provided with a step groove, and the space formed by the step grooves of adjacent pull-out table tops matches the lifting table top.

[0011] Furthermore, a first connecting plate is provided on both sides of the pull-out table top, and the second connecting plate is provided corresponding to the first connecting plate.

[0012] Compared with the prior art, the technical solution of the utility model has the following beneficial effects:

[0013] (1) The utility model realizes the synchronous opening and closing of the two pull-out tabletops through the coordinated transmission of the gear and the rack;

[0014] (2) The utility model adopts the sliding matching design of the moving part and the movable groove. When the pull-out table top is moved, the moving part can be controlled to move in a certain direction in the movable groove. The reciprocating sliding moving part can drive the lifting table top to move up and down. When the lifting table top needs to be raised, the height after raising is the same as the height of the pull-out table top. When the lifting table top needs to be lowered, the lifting table top is just set in the space formed by the step groove of the pull-out table top after lowering, thereby saving space and realizing flexible adjustment of the length of the table top. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the automatic lifting and pulling table of the utility model in the unfolded state;

[0016] Figure 2 This is a schematic diagram of the closed state of the automatic lifting and pulling table of the utility model;

[0017] Figure 3 This is a schematic diagram of the bottom structure of the automatic lifting and pulling table of the utility model;

[0018] Figure 4 This is the bottom structure diagram of the automatic lifting and pulling table of the utility model (table leg assembly and positioning plate are omitted);

[0019] Figure 5It is a schematic diagram of the matching structure of the moving part and the movable groove of the utility model (in the unfolded state);

[0020] Figure 6 This is a schematic diagram of the second connecting plate and the movable groove structure of the utility model;

[0021] Figure 7 This is a schematic diagram of the structure of the pulley positioning member of the utility model;

[0022] In the figure: 1, pull-out table top; 101, step groove; 2, lifting table top; 3, table leg assembly; 4, rack; 5, gear; 6, first connecting plate; 7, moving part; 8, second connecting plate; 9, movable groove; 901, first movable groove; 902, second movable groove; 903, inclined groove; 10, long strip; 11, pulley positioning part; 12, positioning plate. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be described in detail below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other implementation methods obtained by ordinary technicians in this field without creative work belong to the scope of protection of the utility model.

[0024] like Figure 1-Figure 7 As shown, an automatic lifting pull-out table comprises a pull-out table top 1, a lifting table top 2 and a table leg assembly 3, wherein the pull-out table tops 1 are two in number and are symmetrically arranged on the left and right, the lifting table top 2 is arranged between the two pull-out table tops 1, a rack 4 is arranged at the bottom of each pull-out table top 1, a meshing gear 5 is arranged between the two racks 4, and the synchronous movement of the two pull-out table tops 1 is achieved through the transmission structure of the rack 4 and the gear 5; a first connecting plate 6 is fixedly arranged on the side of the pull-out table top 1, a moving part 7 is arranged on the first connecting plate 6, the lifting table top 2 is connected to a second connecting plate 8, a movable groove 9 is arranged on the second connecting plate 8, the moving part 7 is slidably arranged in the movable groove 9, the movement of the pull-out table top 1 drives the moving part 7 to move in the movable groove 9, drives the lifting table top 2 to lift and lower, and completes the adjustment of the overall table top length.

[0025] The movable groove 9 includes a first movable groove 901 and a second movable groove 902 arranged in parallel and an inclined groove 903 connecting the first movable groove 901 and the second movable groove 902; one end of the inclined groove 903 is connected to one end of the first movable groove 901, and the other end of the inclined groove 903 is connected to the middle of the second movable groove 902.

[0026] The table leg assembly 3 is fixedly provided with a long strip 10 arranged in parallel, the long strip 10 is provided with a pulley positioning member 11, the pulley positioning member 11 is provided with two upper and lower pulleys, the rack 4 is movably arranged between the upper and lower pulleys, and a positioning plate 12 (structure as shown in FIG. 1 ) is further provided between the two long strips. Figure 7 As shown), the gear 5 is fixed on the positioning plate 12 and meshes with the two racks 4.

[0027] Each pull-out table top 1 is provided with a step groove 101, and the space formed by the step grooves 101 of adjacent pull-out table tops 1 matches the lifting table top 2. When the table top is in a closed state, it just matches to form a complete overall structure.

[0028] The first connecting plate 6 is arranged on both sides of the pull-out table top 1, and the second connecting plate 8 is arranged corresponding to the first connecting plate 6. The two ends of the second connecting plate 8 are respectively arranged to cooperate with the first connecting plate 6, and the associated connection is achieved through the cooperation of the moving member 7 and the movable groove 9.

[0029] The automatic lifting and pulling table of the utility model is specifically used when in use. Figure 1 and Figure 2 The desktop is in the unfolded and closed states respectively. When in the closed state, the pull-out desktop 1 is close to each other, at this time, the moving part 7 is in the first movable groove 901 of the movable groove 9, and the lifting desktop 2 is just located in the step groove 101 below the pull-out desktop 1; when the desktop needs to be unfolded, the pull-out desktops 1 on both sides are pulled, and as the pull-out desktops 1 are gradually separated, the first connecting plate 6 below is driven to move, and then the moving part 7 is driven to move in the movable groove 9, from the first movable groove 901 to the inclined groove 903, and then moves along the inclined groove 903, so that the second connecting plate 8 and the lifting table are The surface 2 also rises upward; when the movable part 7 moves to the lower end of the inclined groove 903, the lifting table top 2 reaches the highest height, keeps level with the pull-out table top 1 and separates from each other, and continues to pull the pull-out table top 1 to make the movable part 7 move to the A end position of the second movable groove 902. At this time, the table top is in a fully unfolded state. At this time, the pull-out table top 1 is quickly moved closer to the lifting table top 2 (the lifting table top 2 can be supported by hand at this time) to make the movable part 7 move to the B end position of the second movable groove 902. At this time, the pull-out table top 1 and the lifting table top 2 are tightly docked and successfully merged to form a long table top.

[0030] In addition, when the pull-out table top 1 is being pulled out or brought closer, due to the coordinated arrangement of the gear 5 and the rack 4 at the bottom of the table top, the synchronous opening and closing of the two pull-out table tops 1 are achieved through the coordinated transmission of the gear 5 and the rack 4.

[0031] In summary, the utility model uses the sliding cooperation design of the movable part 7 and the movable groove 9. When the pull-out table top 1 is moved, the movable part 7 can be controlled to move in a directional manner in the movable groove 9. The reciprocating sliding movable part 7 can drive the lifting table top 2 to rise and fall. When the lifting table top 2 needs to be raised, the height after raising is the same as the height of the pull-out table top 1. When the lifting table top 2 needs to be lowered, it is just set in the space formed by the step groove 101 of the pull-out table top 1 after lowering, thereby saving space and realizing flexible adjustment of the table top length.

[0032] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. An automatic lifting pull-out table, comprising a pull-out tabletop (1), a lifting tabletop (2) and a table leg assembly (3), characterized in that: There are two pull-out tabletops (1) which are symmetrically arranged on the left and right. The lifting tabletop (2) is arranged between the two pull-out tabletops (1). A rack (4) is arranged at the bottom of each pull-out tabletop (1). A meshing gear (5) is arranged between the two racks (4). The two pull-out tabletops (1) can move synchronously through the transmission structure of the racks (4) and the gears (5). A first connecting plate (6) is fixedly arranged on the side of the pull-out tabletop (1). A moving member (7) is arranged on the first connecting plate (6). The lifting tabletop (2) is connected to a second connecting plate (8). A movable groove (9) is arranged on the second connecting plate (8). The moving member (7) can be slidably arranged in the movable groove (9). The movement of the pull-out tabletop (1) drives the moving member (7) to move in the movable groove (9), thereby driving the lifting tabletop (2) to move up and down, thereby completing the adjustment of the overall tabletop length.

2. The automatic lifting and pulling table according to claim 1, characterized in that: The movable groove (9) comprises a first movable groove (901) and a second movable groove (902) arranged in parallel, and an inclined groove (903) connecting the first movable groove (901) and the second movable groove (902).

3. The automatic lifting and pulling table according to claim 2, characterized in that: One end of the inclined groove (903) is connected to one end of the first movable groove (901), and the other end of the inclined groove (903) is connected to the middle of the second movable groove (902).

4. The automatic lifting and pulling table according to claim 1, characterized in that: The table leg assembly (3) is fixedly provided with a long strip (10) arranged in parallel, the long strip (10) is provided with a pulley positioning member (11), the pulley positioning member (11) is provided with two upper and lower pulleys, the rack (4) is movably arranged between the upper and lower pulleys, a positioning plate (12) is also arranged between the two long strips (10), and the gear (5) is fixed on the positioning plate (12) and meshes with the two racks (4).

5. The automatic lifting and pulling table according to claim 1, characterized in that: Each pull-out table top (1) is provided with a step groove (101), and the space formed by the step grooves (101) of adjacent pull-out table tops (1) matches the lifting table top (2).

6. The automatic lifting and pulling table according to claim 1, characterized in that: A first connecting plate (6) is provided on both sides of the pull-out table top (1), and the second connecting plate (8) is provided correspondingly to the first connecting plate (6).

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