CN112450598B

CN112450598B - Linkage folding table

Info

Publication number: CN112450598B
Application number: CN202011555852.9A
Authority: CN
Inventors: 黄文全
Original assignee: Sijin Furniture Group Co ltd
Current assignee: Sijin Furniture Group Co ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2023-07-21
Anticipated expiration: 2040-12-25
Also published as: CN112450598A

Abstract

The invention relates to the technical field of office furniture, in particular to a linkage folding table, which comprises: base, folding board, sideslip device, big table, little table, controlling means, rigidity rope, the base includes: the hinge seat, the limiting plate, the base level is placed, and its both ends are fixed to be provided with vertical limiting plate, the outside and the inboard of limiting plate all are provided with buckle structure, the inboard lower extreme of limiting plate is other still to be provided with the hinge seat with base fixed connection, and the hinge seat is connected with the folding board hinge, and the folding board includes: a lower folding plate, an upper folding plate and a connecting shaft; the lower end of the lower folding plate is hinged with the hinge seat of the base, and a spring piece is further arranged at the joint of the lower end of the lower folding plate and the hinge seat of the base.

Description

Linkage folding table

Technical Field

The invention relates to the field of office furniture, in particular to a linkage folding table.

Background

With the development of society, office occupational diseases are on an ascending trend. Conventional desks are either constant in height or custom-made in height, but are difficult to change once delivered for use; office staff is in office on the desk top of the same height for a long time, and occupational diseases of the waist, the back, the neck or the legs are very easy to occur. Because of these occupational problems caused by sedentary sitting, many workers, foremost, foreign countries have begun popular standing offices or standing interactive offices. The office has a lot of benefits, particularly can solve the occurrence of certain lumbar and cervical spondylosis, has the effect of losing weight, and can improve the working efficiency by 10-30% through research reports.

The problem that the desk top is unsuitable in height due to the need of switching between standing and sitting office modes is that a related product for lifting the desk top appears on the market; at present, office staff all adopt a desktop computer for office work, and the office habit of the desktop computer is to place a display and mouse keys on different planes, and the height of the display is higher than that of the mouse keys, so that the display can be prevented from being obliquely looked at by a user at low head. The lifting office desk adopting the double-layer desk table can not be adjusted due to the fact that the desk table of the lifting office desk can not be adjusted, so that the storage space and the transportation cost of the lifting office desk are increased, and improvement is urgently needed.

Disclosure of Invention

Therefore, the invention is made in view of the above problems, and by the design of the linkage folding table, the storage space and the transportation cost are reduced in the folded state, and the height of the double-layer table top can be adjusted in the unfolded state so that the linkage folding table is suitable for office workers with different heights. The invention realizes the aim through the following technical scheme:

a ganged folding table comprising: base, folding board, sideslip device, big table, little table, controlling means, rigidity rope, the base includes: the hinge seat and the limiting plate are horizontally arranged, vertical limiting plates are fixedly arranged at two ends of the base, the outer side and the inner side of the limiting plate are respectively provided with a buckling structure, and a hinge seat fixedly connected with the base is further arranged beside the lower end of the inner side of the limiting plate and is hinged with the folding plate;

the folding plate includes: a lower folding plate, an upper folding plate and a connecting shaft; the lower end of the lower folding plate is hinged with the hinge seat of the base, a spring piece is further arranged at the joint of the lower end of the lower folding plate and the hinge seat of the base, the spring piece provides an elastic force for starting to unfold the folding plate, the upper end of the lower folding plate is hinged with the lower end of the connecting shaft, the upper end of the connecting shaft is hinged with the lower end of the upper folding plate, the upper end of the upper folding plate is hinged with the transverse moving device, and the lower end of the outer side of the lower folding plate is further provided with a buckle;

the traversing device comprises: a traversing device housing, traversing plate; the sideslip device casing is fixed to be set up in the lower extreme middle part of big table, the sideslip board includes: the transverse moving plates are arranged at the lower end of the large table in a sliding manner, the two transverse moving plates are correspondingly arranged at two sides of the transverse moving device shell, the connecting plates are fixedly arranged at one end, close to the transverse moving device shell, of the transverse moving plates, the two connecting plates are symmetrically arranged and pass through the transverse moving device shell in a sliding manner, the centers of the adjacent ends of the two connecting plates are connected with a rigid rope, and the rigid rope has a certain length and is inextensible;

the big table comprises: side plates and small table lifting grooves; the large table is fixed at the upper end of the shell of the transverse moving device, two sides of the large table are hinged with the side plates, the lower ends of the side plates are provided with buckles, and when the folding device is folded, the buckles at the lower ends of the side plates are buckled with the buckle structures at the outer sides of the limiting plates, so that the folding state of the folding device is locked, and when the folding device is unfolded, the folding device can be ejected by opening the buckles; the small table is vertically arranged in the small table lifting groove in a sliding manner;

the control device includes: the fixed shaft, the intermediate shaft, the outer end shaft and the sliding locking block; the outer end shaft is rotatably sleeved on the intermediate shaft, the intermediate shaft is rotatably sleeved on the fixed shaft, and the fixed shaft comprises: a fixed shaft body, a fixed shaft protruding block; the intermediate shaft includes: an intermediate shaft body, intermediate shaft bumps; the outer end shaft includes: an outer end shaft body, an outer end shaft projection;

the outer sides of the middle shaft convex blocks and the outer end shaft convex blocks are provided with bulges uniformly arranged along the cylindrical surface, the length of each fixed shaft convex block is three times that of the middle shaft convex block, the shaft bodies of the three shafts of the control device are fixedly connected with the corresponding convex blocks, the inner parts of the middle shaft convex blocks are provided with cylindrical grooves with the diameters being the diameters of the fixed shaft bodies, the inner parts of the outer end shaft convex blocks are provided with cylindrical grooves with the diameters being the diameters of the middle shaft bodies, and the three shafts of the control device are respectively rotatably sleeved with the convex blocks which are correspondingly and fixedly connected with the three shafts of the control device and are coaxially arranged from inside to outside according to the sequence of the outer end shaft convex blocks, the middle shaft convex blocks and the fixed shaft convex blocks; the sliding locking block is arranged on the protruding blocks of the three shafts of the control device in a sliding manner, a fixed shaft of the control device is fixedly connected with the inside of a shell of the traversing device, an intermediate shaft is arranged in the shell of the traversing device in a penetrating manner, and the middle part of a rigid rope connected between the two connecting plates is fixed on the intermediate shaft; when the intermediate shaft is rotated, the rigid rope is wound on the intermediate shaft, the two connecting plates are retracted into the lateral moving device shell, the lateral moving plate is pulled to the lateral moving device shell, and the horizontally placed upper folding plate at the lower end of the lateral moving plate is pulled to incline, so that the height of the large table is raised;

the small table comprises: the device comprises an avoidance groove, a pulley groove and a fixed pulley; the utility model discloses a small table, including small table, small table lifting groove, pulley groove, rigid rope, control device, pulley groove, fixed pulley, two fixed pulleys are seted up at small table lower extreme middle part to dodge the groove, the pulley groove has been seted up to small table lower both sides, be provided with the fixed pulley in the pulley groove, the both ends of a rigid rope are fixed respectively at the inboard middle part of small table lifting groove of big table, and two fixed pulleys are walked around to the rigid rope and are established into the inside of small table, the middle part of rigid rope is fixed on outer end axle.

The beneficial effects of the invention are as follows:

1. the folding plate adopts a folding mode of two plates and a mode of hinging the traversing device with the folding plate, so that the occupied space of the folding plate is reduced when the folding plate is folded, and the inclination angle of the upper folding plate is adjusted by adjusting the traversing device, so that the height of the large table is adjusted.

2. The control device adopts a mode of nesting and rotating three shafts and the use of the sliding locking blocks, so that the height adjustment of the large table and the small table can be realized, and the height adjustment of the large table and the small table can be simultaneously locked, and the control device is simple in structure and easy to produce.

3. The double-buckle structure on the limiting plate can realize locking in the folding state and fixing the lower folding plate after the folding plate is ejected, so that the stability of the folding plate is improved, the occupied space in the folding state is small, and the storage space and the transportation cost are reduced.

Drawings

Fig. 1 is a schematic view of the structure of the present invention in a folded state.

Fig. 2 is a schematic view of the structure of the invention when the height of the large table is not adjusted after the ejection.

Fig. 3 is a schematic view of the structure of the large table of the present invention after the height of the large table is adjusted.

Fig. 4 is a schematic diagram showing the structural details of the control device of the present invention.

Fig. 5 is a schematic diagram showing a detail of a disassembled control device according to the present invention.

Fig. 6 is a schematic view of the internal structure of the small table of the present invention.

Description of the drawings:

1. a base; 2. a folding plate; 3. a traversing device; 4. a large table; 5. a small table; 6. a control device; 7. a rigid rope; 11. a hinge base; 12. a limiting plate; 21. a lower folding plate; 22. an upper folding plate; 23. a connecting shaft; 31. a traversing device housing; 32. a transverse moving plate; 321. a connecting plate; 41. a side plate; 42. a small table lifting groove; 51. an avoidance groove; 52. pulley grooves; 53. a fixed pulley; 61. a fixed shaft; 62. an intermediate shaft; 63. an outer end shaft; 64. a slide lock block; 611. a fixed shaft body; 612. a fixing shaft projection; 621. an intermediate shaft body; 622. a middle shaft bump; 631. an outer end shaft body; 632. and the outer end shaft is provided with a convex block.

Detailed Description

Preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those having ordinary skill in the art to which the invention pertains will readily implement the embodiments. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In addition, for the purpose of more clearly describing the present invention, parts not connected to the present invention will be omitted from the drawings.

As shown in fig. 1, a linkage type folding table includes: the folding table comprises a base 1, a folding plate 2, a traversing device 3, a large table 4, a small table 5, a control device 6 and a rigid rope 7;

as shown in fig. 1, 2 and 3, the base 1 includes: the hinge seat 11 and the limiting plate 12 are horizontally arranged, vertical limiting plates 12 are fixedly arranged at two ends of the base 1, buckling structures are arranged on the outer side and the inner side of the limiting plates 12, the hinge seat 11 fixedly connected with the base 1 is further arranged beside the lower end of the inner side of the limiting plates 12, and the hinge seat 11 is hinged with the folding plate 2;

as shown in fig. 1, 2 and 3, the folding plate 2 includes: a lower folding plate 21, an upper folding plate 22, and a connection shaft 23; the lower end of the lower folding plate 21 is hinged with the hinge seat 11 of the base 1, a spring piece (not shown) is further arranged at the hinge joint of the lower end of the lower folding plate 21 and the hinge seat 11 of the base 1, the spring piece provides an ejection force for the invention when the lower folding plate starts to be unfolded, the upper end of the lower folding plate 21 is hinged with the lower end of the connecting shaft 23, the upper end of the connecting shaft 23 is hinged with the lower end of the upper folding plate 22, the upper end of the upper folding plate 22 is hinged with the traversing device 3, a buckle (not shown) is further arranged at the lower end of the outer side of the lower folding plate 21, and when the invention ejects, the buckle at the lower end of the outer side of the lower folding plate 21 is clamped with the buckle structure at the inner side of the limiting plate 12, so that the lower folding plate 21 is fixed;

as shown in fig. 1, 2 and 3, the traversing device 3 includes: a traversing device housing 31, a traversing plate 32; the sideslip device casing 31 is fixed to be set up in the middle part of the lower extreme of big table 4, sideslip board 32 includes: the number of the transverse moving plates 32 is two, the two transverse moving plates 32 are slidably arranged at the lower end of the large table 4, the two transverse moving plates 32 are correspondingly arranged at two sides of the transverse moving device shell 31, the connecting plates 321 are fixedly arranged at one end of the transverse moving plates 32 close to the transverse moving device shell 31, the two connecting plates 321 are symmetrically arranged and slidably pass through the transverse moving device shell 31, the centers of the adjacent ends of the two connecting plates 321 are connected with a rigid rope (not shown), and the rigid rope has a certain length and is inextensible;

as shown in fig. 1, 2 and 3, the large table 4 includes: a side plate 41 and a small table lifting groove 42; the big table 4 is fixed at the upper end of the lateral movement device shell 31, two sides of the big table 4 are hinged with side plates 41, the lower ends of the side plates 41 are provided with buckles (not shown), when the folding device is folded, the buckles at the lower ends of the side plates 41 are buckled with the buckle structures at the outer sides of the limiting plates 12, so that the folding state of the folding device is locked, and when the folding device is unfolded, the folding device can be ejected by opening the buckles; a small table 5 is vertically arranged in the small table lifting groove 42 in a sliding manner;

as shown in fig. 1, 2, 3, 4, and 5, the control device 6 includes: a fixed shaft 61, an intermediate shaft 62, an outer end shaft 63, and a slide lock block 64; the outer end shaft 63 is rotatably sleeved on the intermediate shaft 62, and the intermediate shaft 62 is rotatably sleeved on the fixed shaft 61;

the fixed shaft 61 includes: a fixed shaft body 611, a fixed shaft protrusion 612; the intermediate shaft 62 includes: a middle shaft body 621, a middle shaft projection 622; the outer end shaft 63 includes: an outer end shaft body 631, an outer end shaft projection 632;

the outer side of the outer end shaft lug 632 is provided with bulges uniformly arranged along the cylindrical surface, the length of the fixed shaft lug 612 is three times that of the middle shaft lug 622, the shaft bodies of the three shafts of the control device 6 are fixedly connected with the corresponding lugs, the middle shaft lug 622 is internally provided with a cylindrical groove with the diameter being that of the fixed shaft body 611, the outer end shaft lug 632 is internally provided with a cylindrical groove with the diameter being that of the middle shaft body 621, and after the three shafts of the control device 6 are respectively rotatably sleeved, the three shafts of the control device 6 are correspondingly fixedly connected with the lugs according to the outer end shaft lug 632, the middle shaft lug 622 and the fixed shaft lug 612 are coaxially arranged from inside to outside in sequence; the sliding locking block 64 is internally provided with a sliding groove corresponding to the shape of the protruding blocks of the three shafts of the control device 6, the sliding locking block 64 is arranged on the protruding blocks of the three shafts of the control device 6 in a sliding manner, the fixed shaft 61 of the control device 6 is fixedly connected with the inside of the traversing device shell 31, the middle shaft 62 is arranged in the traversing device shell 31 in a penetrating manner, and the middle part of a rigid rope connected between the two connecting plates 321 is fixed on the middle shaft 62; when the intermediate shaft 62 is rotated, the rigid rope is wound on the intermediate shaft 62, the two connecting plates 321 are retracted into the traversing device housing 31, the traversing plate 32 is pulled to the traversing device housing 31, and the horizontally placed upper folding plate 22 at the lower end of the traversing plate 32 is pulled to incline, thereby lifting the height of the large table 4;

as shown in fig. 6, the small table 5 includes: a avoiding groove 51, a pulley groove 52 and a fixed pulley 53; the middle part of the lower end of the small table 5 is provided with an avoidance groove 51 for avoiding the control device 6, two sides below the small table 5 are provided with pulley grooves 52, and fixed pulleys 53 are arranged in the pulley grooves 52;

as shown in fig. 3, 4 and 6, two ends of one rigid rope 7 are respectively fixed at the middle part of the inner side of the small table lifting groove 42 of the large table 4, the rigid rope 7 passes through the small table 5 around the two fixed pulleys 53, the middle part of the rigid rope 7 is fixed on the outer end shaft 63, when the outer end shaft 63 is rotated, the rigid rope 7 is wound on the outer end shaft 63, and the small table 5 is lifted due to the reduction of the length between the two fixed ends of the rigid rope 7.

The working principle of the invention is as follows:

firstly, the buckle structure at the outer side of the limiting plate 12 in the folded state shown in fig. 1 is unfolded, the invention pops up, then the buckle at the lower end at the outer side of the lower folding plate 21 is buckled with the buckle structure at the inner side of the limiting plate 12, and the lower folding plate 21 is fixed; then, the intermediate shaft projection 622 is rotated to adjust the height of the large table 4, the intermediate shaft projection 622 and the fixed shaft projection 612 are simultaneously covered by the intermediate shaft projection 64 after the adjustment, the height of the large table 4 is locked, then the outer end shaft projection 632 is rotated to adjust the height of the small table 5, the outer end shaft projection 632, the intermediate shaft projection 622 and the fixed shaft projection 612 are simultaneously covered by the inner sliding and locking block 64 after the adjustment, and the height of the large table 4 and the small table 5 is locked.

Claims

1. A ganged folding table comprising: a base (1), a folding plate (2), a traversing device (3), a big table (4), a small table (5), a control device (6) and a rigid rope (7); the method is characterized in that: base (1), comprising: hinge seat (11), limiting plate (12), the both ends of base (1) are fixed to be provided with limiting plate (12), and hinge seat (11) is installed to the both ends of base (1) and be located one side of limiting plate (12), and folding board (2) include: a lower folding plate (21), an upper folding plate (22) and a connecting shaft (23); the lower extreme and the hinge seat (11) hinged joint of lower folding board (21), the upper end and the lower extreme hinge joint of connecting axle (23) of lower folding board (21), the upper end and the lower extreme hinge joint of last folding board (22) of connecting axle (23), the upper end and sideslip device (3) hinged joint of last folding board (22), sideslip device (3) include: a traversing device housing (31), a traversing plate (32); the fixed lower extreme middle part that sets up in big table (4) of sideslip device casing (31), sideslip board (32) are connecting plate (321), and connecting plate (321) quantity is two, and slides the inboard that sets up at sideslip device casing (31), and big table (4) include: a side plate (41) and a small table lifting groove (42); the upper end at sideslip device casing (31) is fixed to big table (4), and both sides hinged joint curb plate (41) of big table (4), and vertical slip sets up little table (5) in little table lift groove (42), and controlling means (6) include: a fixed shaft (61), an intermediate shaft (62), an outer end shaft (63) and a sliding locking block (64); the outer end shaft (63) is rotatably sleeved on the intermediate shaft (62), the intermediate shaft (62) is rotatably sleeved on the fixed shaft (61), and the fixed shaft (61) comprises: a fixed shaft body (611), a fixed shaft projection (612), and an intermediate shaft (62) including: intermediate shaft body (621), intermediate shaft lug (622), outer end shaft (63) include: outer end axis body (631), outer end axis lug (632), the axis body of three axles of controlling means (6) all with its lug fixed connection who corresponds, outer end axis lug (632), jackshaft lug (622), the order of fixed axle lug (612) is from inside to outside coaxial arrangement, the spout has been seted up to the inside of slip locking piece (64), slip locking piece (64) slides and sets up on the lug of three axles of controlling means (6), fixed axle (61) and sideslip device casing (31) inside fixed connection, jackshaft (62) wear to establish in sideslip device casing (31), little table (5) include: dodge groove (51), pulley groove (52), fixed pulley (53), dodge groove (51) is offered at little table (5) lower extreme middle part, pulley groove (52) are offered to both sides of little table (5) below, be provided with fixed pulley (53) in pulley groove (52), the inboard middle part in little table lifting groove (42) of big table (4) is fixed respectively at the both ends of a rigid rope (7), two fixed pulleys (53) are walked around in rigid rope (7) and are worn to establish in the inside of little table (5), the middle part of rigid rope (7) is fixed on outer end axle (63).

2. A ganged folding table as claimed in claim 1, wherein: the outside and the inboard of limiting plate (12) all are provided with buckle structure, and the outside lower extreme of lower folded sheet (21) is provided with the buckle, and the lower extreme of curb plate (41) is provided with the buckle, and two sets of buckles respectively with the both sides buckle structure cooperation of limiting plate (12).

3. A ganged folding table as claimed in claim 1, wherein: the hinge joint of the lower end of the lower folding plate (21) and the hinge seat (11) of the base (1) is provided with a spring piece.

4. A ganged folding table as claimed in claim 1, wherein: the centers of the adjacent ends of the two connecting plates (321) are connected with a rigid rope which has a certain length and is inextensible, and the middle part of the rigid rope is fixed on the intermediate shaft (62).

5. A ganged folding table as claimed in claim 1, wherein: the external dimensions of the middle shaft lug (622) and the external end shaft lug (632) are the same, the outer sides of the middle shaft lug and the external end shaft lug are provided with bulges uniformly arranged along the cylindrical surface, and the length of the fixed shaft lug (612) is three times that of the middle shaft lug (622).

6. A ganged folding table as claimed in claim 1, wherein: the inside of the middle shaft lug (622) is provided with a cylindrical groove with the diameter of the fixed shaft body (611), and the inside of the outer end shaft lug (632) is provided with a cylindrical groove with the diameter of the middle shaft body (621).