CN106308041B

CN106308041B - Folding assembly

Info

Publication number: CN106308041B
Application number: CN201610921047.0A
Authority: CN
Inventors: 林新达; 黎京继
Original assignee: Guangdong Topstrong Living Innovation and Integration Co Ltd
Current assignee: Guangdong Topstrong Living Innovation and Integration Co Ltd
Priority date: 2016-10-21
Filing date: 2016-10-21
Publication date: 2022-12-27
Anticipated expiration: 2036-10-21
Also published as: CN106308041A

Abstract

The invention discloses a folding assembly which comprises a connecting piece for realizing synchronous downward folding, and a first folding piece and a second folding piece which are respectively pinned at two ends of the connecting piece; the connecting piece comprises a shell, a first swing shaft and a second swing shaft which are arranged in the shell, wherein meshed teeth which are mutually meshed and used for realizing synchronous motion are arranged at opposite ends of the two swing shafts, and one ends of the two swing shafts, which are far away from the meshed teeth, are fixedly connected with corresponding folding pieces through connecting pins respectively; the shell is provided with a guide groove which is used for the matching insertion of the connecting pin and limits the movement stroke of the corresponding connecting pin. The connecting ends between the two swing shafts are meshed with each other, so that the two folding pieces move synchronously, the folding mechanism has the functions of accurately moving in place and limiting, and the phenomenon that one end is folded downwards and the other end is folded after lagging is avoided.

Description

Folding assembly

[ technical field ] A

The invention relates to a table, in particular to a folding assembly.

[ background ] A method for producing a semiconductor device

Nowadays, the population pressure is getting bigger and bigger, the place where people live is getting smaller and smaller, the living space is often not enough, therefore, the folding component which can be utilized on the desk and can improve the space utilization rate is urgently needed.

The telescopic dining table and the desk on the current market have the telescopic guide rail type and also have the folded type, and the space that the table that no matter what kind of form exists can be saved is little, and the folded type still needs to occupy the space of desktop. The hinge has been used to wherein current folding assembly at most, and folding process can be asynchronous, and the folding assembly who uses on the desk among the prior art not only structure is complicated but also leads to the table body heavy also to be a big difficult problem, and folding process is difficult to operate, has greatly reduced user's experience.

[ summary of the invention ]

It is an object of the present invention to provide a folding assembly to solve any of the above problems.

In order to realize the purpose, the invention adopts the following technical scheme:

a folding assembly comprises a connecting piece for realizing synchronous downward folding, and a first folding piece and a second folding piece which are respectively pinned at two ends of the connecting piece; the connecting piece comprises a shell, a first swing shaft and a second swing shaft which are arranged in the shell, wherein meshed teeth which are mutually meshed and used for realizing synchronous motion are arranged at opposite ends of the two swing shafts, and one ends of the two swing shafts, which are far away from the meshed teeth, are fixedly connected with corresponding folding pieces through connecting pins respectively; the shell is provided with a guide groove which is used for the matching insertion of the connecting pin and limits the movement stroke of the corresponding connecting pin.

Specifically, the first swing shaft and the second swing shaft are respectively provided with a swing shaft groove, a swing shaft sliding block which is arranged in the swing shaft groove and can slide relatively, and a swing shaft spring with acting force between the swing shaft sliding block and the swing shaft groove.

The invention also provides a folding telescopic device, which comprises the folding component, a first mounting frame and a second mounting frame, wherein the first folding member and the second folding member of the folding component are respectively sleeved with the first mounting frame and the second mounting frame and can slide relatively; the two mounting racks are respectively provided with a guide groove on one side surface or two opposite side surfaces; the first folding piece and the second folding piece both comprise a hollow structure, a sliding block device arranged in the hollow structure, a moving groove arranged on one side surface or two opposite side surfaces of the hollow structure, and a pulley which is arranged outside the hollow structure and passes through the moving groove through a pulley shaft to be fixedly connected with the sliding block device; the pulley is clamped on the guide groove and is simultaneously acted by the pulley groove and the moving groove to limit the movement stroke.

Preferably, the hollow structure comprises a slider spring disposed within the hollow structure, the slider spring acting between the inner side wall of the hollow structure and the slider means.

Optionally, the first folding member and the second folding member each further include a bearing block fixedly connected with the hollow structure into a whole; the bearing block is respectively in pin joint with the two swing shafts through the connecting pins and respectively acts on the swing shaft sliding blocks of the two swing shafts.

Specifically, the hollow structure further comprises a bottom box arranged in the hollow structure and used for placing the sliding block device, and the inner side wall of the bottom box and the sliding block device can slide relatively.

Specifically, the bottom case comprises a slider spring arranged in the bottom case; the slider spring acts on the inner wall of the bottom box and the slider device.

The invention also provides a lower folding table, which comprises the folding telescopic device and two vertical supporting structures which are fixedly connected with the two ends of the folding telescopic device respectively and play a supporting role.

Optionally, the two vertical supporting structures respectively include a fixed plate fixed on a plane and a movable cabinet capable of sliding relatively on the plane; the movable cabinet comprises a movable pulley arranged at the bottom.

Specifically, the mobile cabinet comprises a main table board arranged on the mobile cabinet; the main table board comprises an edge plate which exceeds the movable cabinet and extends outwards, the folding telescopic device is arranged under a folding state, and the edge of the edge plate is attached to the side surface of the fixed plate to hide the folding telescopic device.

Specifically, the folding telescopic device comprises a long folding plate and a short folding plate; the long folding plate is arranged on a first mounting frame of the folding telescopic device, and the short folding plate is arranged on a second mounting frame of the folding telescopic device; the length of the difference between the long folding plate and the short folding plate is equal to the length of the edge plate.

Optionally, the first mounting frame of the folding and telescoping device is connected to the mobile cabinet at an opposite end where the first folding member is sleeved, and the second mounting frame is connected to the fixed plate at an opposite end where the second folding member is sleeved.

Compared with the prior art, the invention has the following advantages:

in general, the folding assembly is applied to the folding telescopic device, the folding telescopic device and the two vertical supporting structures are utilized, the function of changing the area of the table top can be realized by moving the position of the other vertical supporting structure under the fixation of one vertical supporting structure, in addition, the folding telescopic device can be folded by pulling the folding telescopic device open, the idle space below the table top is fully utilized, the folding telescopic device is perfectly hidden at the bottom of the table, the structure is simple, and the use experience of a user is improved to the maximum extent.

In addition, the folding components in the folding telescopic device ensure synchronous stretching and folding of two ends of the desktop, and the phenomenon that one side is folded downwards and the other side is stretched backwards and backwards is avoided. The first folding piece, the second folding piece and the connecting piece in the folding assembly have a limiting function after the folding assembly moves in place, so that the table tops on the two sides can accurately move in place and are limited.

In conclusion, the folding assembly is applied to the lower folding table, the folding telescopic device is utilized to avoid the phenomenon that one side is folded downwards and the other side is stretched backwards and backwards, so that the folding assembly has the functions of accurately moving in place and limiting, the idle space below the table top is fully utilized, the folding telescopic device is perfectly hidden at the bottom of the table, the structure is simple, and the use experience of a user is improved to the maximum extent.

[ description of the drawings ]

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of the overall structure of the lower folding table of the present invention during the folding process;

FIG. 2 is a schematic view of a portion of the folding telescopic device in the lower folding table of the present invention;

fig. 3 is a schematic structural view illustrating first and second folding members and a connecting member in the lower folding table according to the present invention;

fig. 4 is a schematic view showing the first folding member, the second folding member and the connecting member of the lower folding table according to the present invention;

FIG. 5 is a partial exploded view of the first folding member of the lower folding table of the present invention;

FIG. 6 is a cross-sectional side view of the first folding member of the lower folding table of the present invention;

FIG. 7 is a structural view of the lower folding table of the present invention prior to folding;

FIG. 8 is a view of the lower folding table of the present invention in a configuration in which the folding assembly is unfolded;

fig. 9 is a structural view of the folded lower folding table of the present invention.

List of reference numerals:

1-a mobile cabinet; 2, fixing a plate; 3-folding the telescoping device;

11-main table; 12-a moving pulley; 111-edge panel;

31 — a folding assembly; 32a — a first mount; 32b a second mounting bracket; 36-folding plate; 37-connecting pin; 311a — first fold; 311b — second fold; 312 — a connector; 313 — a first pendulum shaft; 314-a second swing shaft; 321-pulley groove; 322-a fixed seat; 323-mounting base; 324-a connecting block; a first support rod-325; a second support bar 326; 361-long folding plate; 362-short folding plate;

3111 — a receiving block; 3112 — hollow structure; 3121 — a guide groove; 3131 — a pendulum shaft spring; 3132 — a pendulum shaft slider;

4000-a slider device; 4001 — pulley shaft; 4002-a pulley; 4003-slider spring; 4004-moving groove.

[ detailed description ] embodiments

The invention is further described below with reference to the accompanying drawings and exemplary embodiments, it being understood that the following detailed description is illustrative of the invention only and is not intended to limit the scope of the invention. Wherein like reference numerals refer to like parts throughout.

In addition, if a detailed description of known technologies is not necessary to illustrate the features of the present invention, it is omitted. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

It should be noted that the folding assembly of the present invention can be applied to a lower folding table, and can also be applied to a solid object in other fields, and the present invention will be described below with reference to the application to the lower folding table.

Referring to the overall structure schematic diagram of the lower folding table shown in fig. 1 in the folding process, the lower folding table provided by the invention comprises a folding telescopic device 3 and vertical supporting structures arranged at two ends of the folding telescopic device 3 and used for supporting.

Preferably, in the embodiment of the present invention, the vertical supporting structure includes a fixed plate 2 fixed on a plane and a movable cabinet 1 relatively movable on the plane, and the movable cabinet is disposed on a movable pulley 12 at the bottom of the movable cabinet 1.

In the embodiment of the present invention, the mobile cabinet 1 may be replaced by any movable device, for example: a movable plate, a column body with a groove at the movable upper end, a movable chair and the like;

specifically, in the embodiment of the present invention, the mobile cabinet 1 includes a main table 11 disposed on the mobile cabinet 1, the main table 11 includes an edge plate 111 extending outward, and when the folding telescopic device 3 is in the folded state, an edge of the edge plate 111 is attached to a surface of the fixed plate 2 to hide the folding telescopic device 3.

Specifically, in the embodiment of the present invention, the folding telescopic device 3 includes a long folding plate 361 and a short folding plate 362; the long folding plate 361 is placed on the first mounting frame 32a of the folding telescopic device 3, and the short folding plate 362 is placed on the second mounting frame 32b of the folding telescopic device 3; the difference between the long folding plate 361 and the short folding plate 362 is equal to the length of the edge plate 111, so that the free space below the table top is fully utilized, and the folding telescopic device 3 is perfectly hidden at the bottom of the table.

Optionally, in the embodiment of the present invention, the movable pulley 12 enables the movable cabinet 1 to slide in a plane by means of an external force, and mainly functions to facilitate the movement of the movable cabinet 1, and further facilitate the folding and stretching of the folding and stretching device 3. Under the fixed of 2 one ends of fixed plate, can realize changing the effect of desktop area through changing the position of removing cabinet 1, in addition through pulling open folding telescoping device 3, this folding telescoping device 3 of can folding up promptly, the idle space below the make full use of desktop for this folding telescoping device 3 perfect hides at the bottom of the table, and simple structure has improved user's use experience to the at utmost.

Optionally, in the embodiment of the present invention, the vertical support structure may have three conditions: one is that the folding telescopic device comprises a fixed plate which is arranged at two ends of the folding telescopic device 3 and is fixed on a horizontal plane and a movable plate which can move relative to the horizontal plane; one is a fixed cabinet and a movable cabinet which are arranged at two ends of the folding telescopic device 3 and are fixed; the other one is that the folding telescopic device comprises a fixed cabinet and a movable plate which are arranged at two ends of the folding telescopic device 3 and are fixed.

Referring to fig. 2, in an embodiment of the present invention, a folding telescopic device 3 includes a folding assembly 31, and a first mounting frame 32a and a second mounting frame 32b, which are respectively sleeved on the folding assembly 31 and can slide relatively; pulley grooves 321 are respectively arranged on one side surface or two opposite side surfaces of the two mounting frames;

specifically, in the embodiment of the present invention, the first mounting frame 32a includes a fixed seat 322 connected to the mobile cabinet 1, and a first supporting rod 325 pinned by a connecting block 324; the second mounting bracket 32b comprises a mounting seat 323 connected to the fixed plate 2 and a second supporting rod 326 pin-jointed with the mounting seat 323; the first support bar 325 and the second support bar 326 are respectively sleeved on the folding assembly 31.

Optionally, in the embodiment of the present invention, the fixing seat 322 and the mounting seat 323 include extending pieces, two ends of which respectively extend outward in the same direction and vertically, the extending pieces are provided with mounting holes for fixed connection, and the connection between the mounting seat 323 and the connecting block 324 is achieved through the mounting holes. In addition, the connecting block 324 is provided with a pin connection hole at the opposite end connected with the mounting seat 323 and is pin-connected with the first support rod 325 by the pin connection hole, and the connection between the fixed seat 322 and the second support rod 326 is also realized by the extension piece.

In addition, according to the lower folding table of the present invention, on the basis that the fixed plate 2 is fixed, the movable cabinet 1 is pulled open, the folding telescopic device 3 is stretched, after reaching the stretching limit of the folding telescopic device 3 and limiting the plane position of the folding telescopic device 3, the movable cabinet 1 is pushed forward, so that the folding assembly 31 is engaged by the two mounting frames, and then the folding telescopic device 3 completes the stretching work; in addition, when the folding operation is performed, the two mounting frames need to be pulled apart to prevent the folding assembly 31 from being nested, and then the mobile cabinet 1 is pushed forward, so that the folding telescopic device 3 is folded synchronously under the action of the folding assembly 31, after the plate surfaces of the long folding plate 361 and the short folding plate 362 are attached to each other, the folding telescopic device 3 is folded completely, it can be seen that the width of the folded folding telescopic device 3 is consistent with the length of the edge plate 111, and the plate surface of the edge plate 111 is attached to the plate surface of the fixed plate 2, so that the folding telescopic device 3 is hidden between the mobile cabinet 1 and the fixed plate 2.

Reference is now made to fig. 3-6, wherein fig. 6 is a schematic illustration of the hollow structure 3112 of fig. 5 cut vertically along its midline and laid flat.

The invention provides a folding assembly, which comprises a connecting piece for realizing synchronous downward folding, and a first folding piece 311a and a second folding piece 311b which are respectively pinned at two ends of the connecting piece; the connecting element 312 comprises a housing, and a first swing shaft 313 and a second swing shaft 314 which are arranged inside the housing, wherein opposite ends of the two swing shafts are provided with meshed teeth which are engaged with each other and used for realizing synchronous movement, and one ends of the two swing shafts, which are far away from the meshed teeth, are respectively fixedly connected with corresponding folding elements through connecting pins 37; the housing is provided with a guide groove 3121 for the coupling pin 37 to be inserted in and to define a movement stroke of the corresponding coupling pin 37.

Alternatively, in the embodiment of the present invention, the shape of the guide groove 3121 is designed as a circular arc groove, and the swinging of the connecting pin 37 between the two swing shafts and the folding member can be clearly seen through the guide groove 3121.

In the embodiment of the present invention, the first folding member 311a, the second folding member 311b and the connecting member 312 ensure synchronous extension and folding of two ends of the desktop, so as to avoid the phenomenon that one side is folded downwards and the other side is delayed to extend. Meanwhile, the first folding member 311a, the second folding member 311b and the connecting member 312 enable the folding table to have a limiting function after the table is moved in place, so that the table tops on the two sides can be accurately moved in place.

Specifically, in the embodiment of the present invention, the first swing axle 313 and the second swing axle 314 are respectively provided with a swing axle slot, a swing axle slider 3132 disposed in the swing axle slot and capable of sliding relatively, and a swing axle spring 3131 acting between the swing axle slider 3132 and the swing axle slot.

Specifically, in the embodiment of the present invention, each of the first folding member 311a and the second folding member 311b includes a hollow structure 3112, a slider device 4000 disposed in the hollow structure 3112, a moving slot 4004 disposed on one side surface or two opposite side surfaces of the hollow structure 3112, and a pulley 4002 disposed outside the hollow structure 3112 and fixed to the slider device 4000 by a pulley shaft 4001 passing through the moving slot 4004; the pulley 4002 is clamped on the pulley groove 321 and is simultaneously acted by the pulley groove 321 and the moving groove 4004 to limit the moving stroke.

Preferably, the hollow structure 3112 comprises a slider spring 4003 disposed in the hollow structure 3112, the slider spring 4003 acting between an inner side wall of the hollow structure 3112 and the slider device 4000.

Wherein, optionally, the pulley 4002 is provided with a concave notch at the wheel edge for being clamped on the pulley groove 321; the pulley grooves 321 are arranged transversely in parallel and have groove edges at the ends extending upwards or downwards at an angle to the parallel groove edges, so that the pulley 4002 has a positioning function when reaching the endmost groove edge, and is stopped and stopped under the action of the slider spring 4003 when reaching the endmost groove edge by the pulley 4002.

In addition, when the folding member is folded by external force, the first folding member 311a and the second folding member 311b are respectively rotated upward in synchronization with the pivot point of the connecting member 312, and the synchronization rotation is achieved by the cooperation of the first swing shaft 313 and the second swing shaft 314, the receiving block 3111 respectively acts on the swing shaft slider 3132, and the swing shaft slider 3132 slides upward in the swing shaft groove, wherein the swing shaft spring 3131 is compressed, and the receiving block 3111 links the swing shafts and performs circular swing upward by using the connecting pin 37 as the pivot point, and the tooth interaction between the swing shafts ensures the synchronous movement of the swing shafts, so that the external force acting on the folding member 31 during the folding process needs to be larger than the force of the swing shaft spring 3131.

Optionally, each of the first folding member 311a and the second folding member 311b further includes a receiving block 3111 fixedly connected to the hollow structure 3112; the bearing block 3111 is respectively connected with the two swing shafts through the connecting pins 37 and respectively acts on the swing shaft sliding blocks 3132 of the two swing shafts, so that the mounting frames 323 respectively sleeved with the first folding piece 311a and the second folding piece 311b can be successfully folded downwards without hindrance, and in addition, under the action of external force, the meshing direction between the meshing teeth of the first swing shaft 313 and the second swing shaft 314 is changed from up to down or from down to up, so that the synchronous folding effect is realized, and the novel folding mechanism has innovativeness.

In the embodiment of the present invention, the pulley 4002 is different from the moving pulley 12, and the volume of the pulley 4002 is smaller than that of the moving pulley 12 in terms of the volume; in terms of weight bearing, the weight bearing capacity of the moving sheave 12 is generally greater than that of the sheave 4002; in terms of function, the movable pulley 12 can drive the movable cabinet 1 to move on a plane by means of an external force, and the pulley 4002 has a function of in-place limiting under the action of the pulley groove 321 and/or the movable groove 4004, so that the folding and telescoping devices 3 can fold and telescope more smoothly.

In addition, the folding assembly described in the present embodiment is not only applied to the lower folding table provided in the present invention, but also applied to other fields, such as: be applied to foldable chairs, foldable bicycles, foldable unmanned aerial vehicle supports, etc.

Referring to fig. 7 to 9, in the embodiment of the present invention, when the folding telescopic device 3 is changed from the unfolded state to the folded state, the first folding member 311a and the second folding member 311b synchronously perform inward closing movements by using the connection point with the connection member 312 as a downward folding point and the connection point with the movable cabinet 1 and the connection point with the fixed plate 2 as a supporting point, so as to achieve the downward folding effect, reduce the occupied space, and fully utilize the space of the table bottom.

Optionally, in this embodiment of the present invention, when the folding assembly 31 is changed from the unfolded state to the folded state, under an external force, the first folding element 311a and the second folding element 311b respectively perform a closing motion synchronously with a connection point of the connection element 312 as a lower folding point.

In addition, the structure of the swing shaft spring 3131 is substantially the same as that of the slider spring 4003, and both are mechanical parts which are formed by deforming a part made of an elastic material under the action of an external force and then restoring to the original shape after the external force is removed.

In general, the folding assembly is applied to the folding telescopic device, the folding telescopic device and the two vertical supporting structures are utilized, under the fixation of one vertical supporting structure, the effect of changing the area of the table top can be realized by moving the position of the other vertical supporting structure, in addition, the folding telescopic device can be folded by pulling the folding telescopic device open, the idle space below the table top is fully utilized, the folding telescopic device is perfectly hidden at the bottom of the table, the structure is simple, and the use experience of a user is improved to the maximum extent.

In addition, the folding components in the folding telescopic device ensure synchronous extension and folding of two ends of the desktop, and the phenomenon that one side is folded downwards and the other side is delayed to extend is avoided. The first folding piece, the second folding piece and the connecting piece in the folding assembly have a limiting function after the folding assembly moves in place, so that the table tops on the two sides can accurately move in place and are limited.

In summary, the folding assembly of the invention is applied to the lower folding table, the folding telescopic device is used to avoid the phenomenon that one side is folded downwards and the other side is stretched backwards and backwards, so that the folding assembly has the functions of accurately moving in place and limiting, the idle space below the table top is fully utilized, the folding telescopic device is perfectly hidden at the bottom of the table, the structure is simple, and the use experience of a user is improved to the maximum extent.

The above embodiments are only preferred embodiments of the present invention, but not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents and are included in the scope of the present invention.

Claims

1. A folding assembly is characterized by comprising a connecting piece for realizing synchronous folding, and a first folding piece and a second folding piece which are respectively pinned at two ends of the connecting piece; the connecting piece comprises a shell, a first swing shaft and a second swing shaft which are arranged in the shell, wherein meshed teeth which are meshed with each other and used for realizing synchronous movement are arranged at opposite ends of the two swing shafts, and one ends of the two swing shafts, which are far away from the meshed teeth, are rotatably connected with corresponding folding pieces through connecting pins respectively; the shell is provided with a guide groove which is used for the matching insertion of the connecting pin and limits the movement stroke of the corresponding connecting pin.

2. The folding assembly of claim 1, wherein the first and second swing shafts are respectively provided with a swing shaft groove, a swing shaft slider disposed in the swing shaft groove and capable of sliding relatively, and a swing shaft spring acting between the swing shaft slider and the swing shaft groove.

3. The folding assembly of claim 1, wherein the first folding member and the second folding member each comprise a hollow structure, a slider device disposed in the hollow structure, a moving slot disposed on one side or two opposite sides of the hollow structure, and a pulley disposed outside the hollow structure and fixed to the slider device by a pulley shaft passing through the moving slot.

4. A folding assembly as claimed in claim 3, in which said hollow structure further comprises a base box disposed within the hollow structure for receiving said slider means, said base box having inner side walls slidable relative to said slider means.

5. The folding assembly of claim 4 wherein said base box includes a slider spring disposed therein; the slider spring acts on the inner wall of the bottom box and the slider device.

6. The folding assembly of claim 3 wherein said pulley is mounted on said pulley shaft and is engaged with a pulley groove and is acted upon by said travel groove to define a travel path.

7. The folding assembly of claim 3 wherein each of said first and second folding members further comprises a receiving block fixedly secured to said hollow structure; the bearing block is respectively in pin joint with the two swing shafts through the connecting pins and respectively acts on the swing shaft sliding blocks of the two swing shafts.