CN211933116U

CN211933116U - Size-variable sliding and overturning dining table

Info

Publication number: CN211933116U
Application number: CN202020195635.2U
Authority: CN
Inventors: 刘德华
Original assignee: Ganzhou Tuotu Intelligent Technology Co ltd
Current assignee: Ganzhou Tuotu Intelligent Technology Co ltd
Priority date: 2020-02-23
Filing date: 2020-02-23
Publication date: 2020-11-17
Anticipated expiration: 2030-02-23

Abstract

The utility model relates to a dining table with variable size and capable of sliding and overturning, which comprises a fixed table panel, a movable table panel, table legs, a clamping block and a guide rail hinge integration device, wherein the fixed table panel is fixed and fixed, at least one movable table panel is movably contacted with the fixed table panel, the edges of the movable table panel and the fixed table panel which are mutually contacted are straight edges, the movable table panel consists of straight edges and arc edges, the movable table panel makes overturning motion relative to the fixed table panel, and after the movable table panel is unfolded, a complete round or oval dining table is formed; the table legs are fixed on the fixed table panel, and at least one guide rail hinge integration device is arranged at the connecting position of each movable table panel and the fixed table panel; the guide rail hinge integration device movably connects the fixed desktop board and the movable desktop board, and the guide rail hinge integration device is embedded in the groove of the fixed desktop board and the groove of the movable desktop board. The dining table is simple and convenient to operate, efficient and firm in structure.

Description

Size-variable sliding and overturning dining table

Technical Field

The utility model relates to the field of furniture, especially, relate to a dining table of variable slip upset of size.

Background

The existing turnover device of the turnover dining table adopts a wood structure, and has the defects of large occupied space and inconvenience for diners to put legs; compared with a hardware overturning structure, the wood turnover structure has the advantages of large wood consumption and resource waste.

Disclosure of Invention

The utility model provides a dining table with variable size and capable of sliding and turning, which comprises a fixed table panel, a movable table panel, table legs, a clamping block, a fixed frame and a guide rail hinge integration device, wherein the fixed table panel is fixed and fixed, at least one movable table panel is in movable contact with the fixed table panel, the edges in mutual contact are straight edges, the movable table panel consists of straight edges and arc edges, the movable table panel makes turning motion relative to the fixed table panel, and after the movable table panel is unfolded, a complete round or oval dining table is formed; the desk legs are fixed on one side of the fixed desktop plate facing the ground, and at least one guide rail hinge integrated device is arranged at the connecting position of each movable desktop plate and the fixed desktop plate; the movable desktop plate is turned downwards and slides towards the center of the fixed desktop plate after being parallel to the fixed desktop plate; the guide rail hinge integration device movably connects the fixed desktop plate and the movable desktop plate and is embedded in the grooves of the fixed desktop plate and the movable desktop plate; the fixing frame is fixed on the surface of one side of the fixing table panel facing the ground and used for fixing the table legs.

Preferably, the movable table panel is provided with two, four table legs, a first clamping block is arranged below the fixed table panel, and a groove is formed between the first clamping block and the end face of the fixed table panel and used for clamping and supporting the overturned movable table panel; the fixing frame comprises two rectangular groove bodies, the rectangular groove bodies are positioned at two ends of the arc-shaped end face of the fixing table board, two short-edge end faces of the two rectangular groove bodies are respectively fixedly connected with a table leg through screws, two long end faces of the two rectangular groove bodies are fixedly connected through two connecting strips fixed on the fixing table board, and the two connecting strips are parallel to each other; the outer sides of the two connecting strips are respectively fixedly provided with a first clamping block for clamping the movable desktop plate after overturning and sliding.

1. Preferably, the movable table panel is provided with four table legs, each table leg is provided with at least one second fixture block for fixing the overturned movable table panel, the second fixture block is fixed at the end part of the table leg close to one end of the fixed table panel, and the end surface of the second fixture block is not in the same plane with the end surface of the table leg, so that the second fixture block forms a step on the side wall of the table leg for clamping the folded movable table panel; the fixed frame comprises a square frame fixed on the bottom surface of the fixed desktop plate and concave fixed pieces positioned at the outer sides of four corners of the square frame; the square frame is formed by connecting four long strips end to end and is used for limiting and fixing the concave fixing piece; the concave fixed part is provided with a concave groove which is matched with the convex part on the table leg, the convex part is fixedly arranged on the end surface of the table leg, and the end surface of the convex part is contacted with the fixed table panel; the end surface of the convex part and the end surface of the table leg are not on the same plane; at least one screw is arranged on the side surface of the concave groove and used for fixing the concave fixing piece with the convex part on the table leg; the table legs and the raised parts form a whole in a 7 shape.

Preferably, the guide rail hinge integration device comprises a fixed shell, a movable shell, a hinge connecting frame, two sliding cushion blocks, a turnover hinge, a first cylindrical pin, a second cylindrical pin, a third cylindrical pin, a hinge connecting frame fixing mechanism and a limiting interlocking device, wherein the fixed shell and the movable shell are both shells with grooves formed by pressing thin steel plates, kidney-shaped holes are fixedly formed in two side walls of the groove of the fixed shell, the sliding cushion blocks are movably fixed in the grooves of the fixed shell through the first cylindrical pins positioned in the kidney-shaped holes of the fixed shell, the two sliding cushion blocks are positioned on the inner walls of the groove of the fixed shell and can slide in the grooves of the fixed shell, and at least two first cylindrical pins are arranged; the turnover hinge is positioned in a groove of the movable shell, the number of the second cylindrical pins is at least two, the movable shell slides back and forth and is limited by the second cylindrical pins, so that the movable shell slides in the groove matched with the turnover hinge, the second cylindrical pins penetrate through the turnover hinge and the side wall of the movable shell, and at least one of holes in the side wall of the turnover hinge and the side wall of the movable shell is a kidney-shaped hole; at one end of the movable shell, the turnover hinge is hinged and fixed with the hinge connecting frame through a third cylindrical pin; when the groove of the movable shell is in the extending direction of the groove of the fixed shell, the movable shell is in an unfolded state; when the movable shell groove is right below the fixed shell groove, the movable shell groove is in a folded state; in the unfolding state, the movable shell is fixed in the unfolding state by the hinge connecting frame fixing mechanism; the limiting interlocking device is used for limiting the movable shell in an unfolding state and ensuring the movable shell to normally slide in a folding state; be equipped with the flexure strip between activity casing and the upset hinge, the flexure strip is fixed in the slot bottom of upset hinge, and the flexure strip part is protruding, and the contact of bulge and activity casing slot bottom takes place to interfere, produce the packing force for hinder the relative motion between upset hinge and the activity casing.

The hinge connecting frame fixing mechanism comprises a first supporting frame and a fifth cylindrical pin, the first supporting frame is fixedly installed at the bottom of a groove of the movable shell, two grooves are formed in the end faces of two side walls, close to the fixed shell, of the first supporting frame, holes for penetrating through the two side walls of the first supporting frame are formed in the hinge connecting frame, when the movable shell is unfolded, the edges of the holes for penetrating through the two side walls of the first supporting frame in the hinge connecting frame are connected with the grooves in the first supporting frame in a clamping mode, the hinge connecting frame is fixed together with the fifth cylindrical pin, and the unfolded movable shell is indirectly fixed.

The first sliding part is arranged between the sliding cushion blocks, the angle adjusting device is fixedly arranged at one end of the hinge connecting frame positioned at the fixed shell, the hinge connecting frame and the sliding cushion blocks are fixed by 3 groups of adjusting screws, the mounting directions of two groups are the same, the mounting directions of the other group are opposite, and the two groups are respectively one of from top to bottom mounting or from bottom to top mounting; the height of the first sliding piece is fixed, the height difference between the end part of the hinge connecting frame and the first sliding piece is adjusted through 3 groups of adjusting screws, and the angle relation of the hinge connecting frame relative to the fixed shell can be changed by taking the fifth cylindrical pin as a rotating fulcrum.

The limiting and interlocking device comprises a first support frame, a first backstop wane, a third cylindrical pin, a fourth cylindrical pin, a fifth cylindrical pin and a backstop buckle, wherein the first support frame is fixedly arranged at the bottom of the groove of the movable shell, the other end of the first backstop wane presses the backstop buckle to the bottom of the groove of the fixed shell, the fifth cylindrical pin penetrates through the backstop buckle with the waist-shaped hole, and the backstop buckle clamps the first sliding part and the fixed shell together and is used for limiting the sliding of the first sliding part; in the use, the slot of fixed casing is down, when the activity casing is in the expansion state, first support frame supports the one end of first stopping wane, when the activity casing is folding, first support frame and the separation of first stopping wane, the third cylindric lock is pressed the one end of first stopping wane toward activity casing slot direction, the other end and the stopping buckle of first stopping wane break away from mutually, the stopping buckle moves down under the effect of gravity, spacing between first slider and the fixed casing has been relieved.

Preferably, the hinge connecting frame fixing mechanism comprises a first supporting buckle, a hinge connecting frame and a fifth cylindrical pin, and the first supporting buckle is fixed at the bottom of the groove of the movable shell; the first support buckle is in a shape of a stepped rod with a big head and a small tail and consists of a stop head and a connecting part, the connecting part is in a rod shape, the stop head is in one of a column shape, a cake shape or a ball shape, and the diameter of the stop head is larger than that of the connecting part; one end of the connecting part is fixedly connected with the stop head part, and the other end of the connecting part is fixed in the groove of the movable shell and slides along with the movable shell; waist-shaped holes which are different in size and communicated are formed in the bottoms of the grooves of the hinge connecting frames, the hole close to one end of the fixed shell is smaller than the hole far away from the fixed shell, the hole diameter close to one end of the fixed shell is larger than the diameter of the connecting part of the first supporting buckle and smaller than the diameter of the stopping head part of the first supporting buckle, and the stopping head part and the fifth cylindrical pin play a supporting role for the hinge connecting frames together in the hole close to one end of the fixed shell to indirectly support the movable shell; the aperture far away from one end of the fixed shell is larger than the diameter of the locking head of the first support buckle, so that when the first support buckle is far away from the waist-shaped hole position of the fixed shell, the movable shell cannot interfere with the hinge connection frame in the overturning process, and the first support buckle can be smoothly separated from the hinge connection frame.

Preferably, the device further comprises an angle adjusting device, wherein the angle adjusting device comprises a sliding cushion block, a second sliding piece and an adjusting screw; the second sliding part is positioned in a groove of the hinge connecting frame, and the hinge connecting frame is positioned between the sliding cushion blocks in the groove of the fixed shell; the fifth cylindrical pin is positioned in a groove at one end of the fixed shell, which is close to the movable shell, penetrates through the side wall of the hinge connecting frame and the sliding cushion block, and does not penetrate through the side wall of the fixed shell; in addition, the first cylindrical pin is provided with two kidney-shaped holes which penetrate through the fixed shell, one kidney-shaped hole is close to the end part of the sliding cushion block, and the other kidney-shaped hole is close to the fifth cylindrical pin; the first cylindrical pin close to the fifth cylindrical pin penetrates through the second sliding piece, the sliding cushion block and the side wall of the fixed shell, and the through hole is a circular hole; the first cylindrical pin penetrates through the circular holes in the two side walls of the sliding cushion block and the second sliding part and the kidney-shaped hole in the fixed shell, and the hole penetrating through the hinge connecting frame is an arc kidney-shaped hole rotating around the axis of the first cylindrical pin close to the fifth cylindrical pin.

Preferably, the limiting and interlocking device comprises a second support frame, a second anti-kickback plate and a fifth cylindrical pin, the second support frame is fixedly mounted at the bottom of the groove of the movable shell and used for supporting one end of the second anti-kickback plate, and the second anti-kickback plate is hinged and fixed at one end of the groove of the fixed shell through the fifth cylindrical pin; in the use process, the groove of the fixed shell faces downwards, when the movable shell is in an unfolded state, the second support frame supports one end of the second anti-return wane, and the other end of the second anti-return wane penetrates through the hinge connecting frame and the fixed shell; when the movable shell is folded, the second support frame is separated from the second backstop wane, and the other end of the second backstop wane eliminates the through clamping effect of the butt joint hinged connection frame and the fixed shell under the action of gravity.

Preferably, the hinge connecting frame fixing mechanism comprises a second supporting buckle, a hinge connecting frame and a fifth cylindrical pin, the second supporting buckle is fixedly arranged on two side walls of the groove of the movable shell, long holes with different sizes are arranged on the hinge connecting frame, the long holes are divided into a front section and a rear section, one section close to the fixed shell is the front section, and the other section far away from the fixed shell is the rear section; the projection size of the second support buckle in the vertical direction is larger than that of the front section of the long hole in the vertical direction and smaller than that of the rear section of the long hole in the vertical direction; when the second support buckle is positioned at the front section of the long hole, the second support buckle and the fifth cylindrical pin have a supporting effect on the hinge connecting frame together, and the movable shell is indirectly supported.

Preferably, the device further comprises an angle adjusting device, wherein the angle adjusting device comprises an adjusting screw, a tilting piece and a sixth cylindrical pin; the hinge connecting frame is fixed at one end of the tilting piece, and the other end of the tilting piece is provided with an adjusting screw; the adjusting screws are 3 groups in total, the mounting directions of two groups are the same, and the mounting directions of the other group are opposite and are respectively one of mounting from top to bottom or mounting from bottom to top; the height difference between the end part of the tilting piece and the fixed shell is adjusted by adjusting the 3 groups of adjusting screws, and the sixth cylindrical pin is used as a rotating shaft and is used for adjusting the angle relation of the hinge connecting frame relative to the fixed shell.

Preferably, the limiting and interlocking device comprises a third support frame, a third anti-return rocker and a fourth cylindrical pin, wherein the third support frame is fixedly mounted at the bottom of a groove of the movable shell, a top plate is arranged on the third support frame, the top plate is positioned in the center of the groove of the third support frame and is vertical to the groove, the top end of the top plate is abutted against one end of the third anti-return rocker, the other end of the third anti-return rocker penetrates through the hinge connecting frame and the tilting piece, and under the action of the fourth cylindrical pin, when the movable shell is unfolded, the other end of the third anti-return rocker is inserted into holes of the hinge connecting frame and the tilting piece and is clamped and limited; when the movable shell is folded, the third support frame is separated from the third stopping warping plate, one end of the third stopping warping plate is pressed towards the direction of the groove of the movable shell through the third cylindrical pin, the other end of the third stopping warping plate is separated from the third stopping warping plate, the other end of the third stopping warping plate moves downwards under the action of gravity, and the limit of the through clamping of the hinged connection frame and the tilting part is cancelled.

The utility model relates to a dining table of variable slip upset of size's beneficial effect is:

(1) the track hinge integrated device not only has the track stretching function, but also has the folding function after being turned over for 180 degrees. The metal fittings replace the fittings of a wooden structure in the dining table, so that the space under the dining table is increased, the using amount of wood is reduced, and the dining table is more environment-friendly.

(2) The folding action process of the movable table top board of the dining table comprises the following steps: the movable desk panel is pulled out outwards, turned downwards by 180 degrees and pushed inwards for a certain distance to complete 180-degree folding; the unfolding action process of the movable table top plate of the dining table comprises the following steps: the movable table panel is pulled out for a certain distance and then turned over for 180 degrees, and then pushed inward for a certain distance to finish the 180-degree expansion and the fixation of the movable shell.

(3) Track hinge integrated device has hinge rotation point and shifts the function, compares with the hinge that traditional only has pure rotation function, and the rotatory hinge of this device can regard as the strong point, and has longer arm of force, has greatly reduced the probability that the too big problem that leads to pulling behind the splitting timber of installation department screw atress takes place.

(4) The rail hinge integration device has a self-locking damping function, the movable shell is always pressed by one spring piece, and a function of friction resistance in the opposite direction is provided when the movable shell slides outwards, so that the folding panel of the dining table cannot slide out randomly, and the stability during operation is improved.

(5) The track hinge integrated device has an interlocking function. Through upset and the switching component that slides, only can first slider slide inwards when the movable housing overturns certain angle downwards, when the movable housing expandes, first slider can't take place relative motion with the movable housing, has avoided the movable housing upwards to overturn the back that targets in place first slider and movable housing slide together.

(6) The rail hinge integration device has the function of compensating height and angle, and the angle and the height of the turnover side of the movable shell can be adjusted by adjusting the hinge adjusting device on the hinge connecting frame, so that the height or the angle generated by the machining error of the installed surface is compensated, and the fixed desktop plate and the movable desktop plate are positioned on the same horizontal plane.

(7) The fixing frame, the first clamping block fixed on the fixing frame and the second clamping block fixed on the table legs can realize the firm fixation of the table legs and the clamping fixation of the movable table top board after being turned and folded.

Drawings

In order to illustrate the embodiments of the present invention or the technical solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be described in more detail.

FIG. 1 is a perspective view of an embodiment of a sliding and turning table top with a variable size of the present invention after unfolding;

FIG. 2 is a perspective view of the convertible top board of the present invention with a size of the convertible top board being convertible;

FIG. 3 is a perspective view of another embodiment of the sliding and tilting table top of the present invention showing a table top in an expanded position;

FIG. 4 is a perspective view of the dining table with a size changeable, sliding and turning table top according to another embodiment of the present invention after the movable table top is turned and folded;

FIG. 5 is a perspective view of an embodiment of a rail hinge assembly of a variable-size sliding and tilting table of the present invention, with a hinge connection bracket;

FIG. 6 is a perspective view of the guide rail hinge assembly of the dining table with variable size and capable of being turned over without a hinge connection frame according to the embodiment of the present invention;

FIG. 7 is a perspective view of a second embodiment of the rail hinge assembly of a variable-size sliding and tilting table of the present invention with a hinge connecting frame;

FIG. 8 is a perspective view of a second embodiment of a guide rail hinge assembly of a variable-size sliding and tilting table of the present invention without a hinge connection bracket;

FIG. 9 is a perspective view of a third embodiment of the rail hinge assembly of a variable-size sliding and tilting table of the present invention with a hinge connection bracket;

FIG. 10 is a perspective view of a guide rail hinge assembly of a variable-size sliding and tilting table according to another embodiment of the present invention without a hinge connection bracket;

fig. 11 is a perspective view of the guide rail hinge integrated device of the sliding and turning dining table with variable size according to the present invention, wherein five embodiments have a hinge connection frame;

fig. 12 is a perspective view of a guide rail hinge assembly of a variable-size sliding and tilting table according to an embodiment of the present invention, wherein the guide rail hinge assembly is a fifth hingeless connecting frame;

fig. 13 is an enlarged rear view of the elastic sheet of the guide rail hinge integration device of the dining table with variable size and capable of sliding and turning.

Figure 100-stationary housing; 200-a movable housing; 300-hinge connection frame; 400-sliding cushion block; 401-a first cylindrical pin; 501-a first support buckle; 502-a second support; 503-a second anti-kickback rocker; 504-a first slide; 505-a second slide; 507-long holes; 508-a second support buckle; 600-a flip hinge; 601-a second cylindrical pin; 602-a third cylindrical pin; 603-tilting parts; 701-a first support frame; 702-a first anti-kickback paddle; 703-a fourth cylindrical pin; 704-stopping the fastener; 705-a fifth cylindrical pin; 706-sixth cylindrical pin; 707-topsheet; 708-a third support; 709-a third anti-kickback rocker; 800-an elastic sheet; 901-fixing the table top; 902-a movable table top; 903-table legs; 904-guide rail hinge integration; 905-a first fixture block; 906-a second latch.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below.

As shown in fig. 1 to 13, a size-variable sliding and turning dining table comprises a fixed table top 901, a movable table top 902, table legs 903, a clamping block, a fixing frame and a guide rail hinge integration device 904, wherein the fixed table top 901 is fixed, at least one movable table top 902 is provided, the movable table top 902 is movably contacted with the fixed table top 901, the contacted edges are straight edges, the movable table top 902 is composed of straight edges and arc edges, the movable table top 902 is turned over relative to the fixed table top 901, and the movable table top 902 is unfolded to form a complete round or oval dining table; the legs 903 are fixed on the side of the fixed table top 901 facing the ground, and at least one guide rail hinge integrated device 904 is installed at the connecting position of each movable table top 902 and the fixed table top 901; the movable desktop plate 902 is turned downwards and slides towards the center of the fixed desktop plate 901 after being parallel to the fixed desktop plate 901; the guide rail hinge integrated device 904 movably connects the fixed table top board 901 and the movable table top board 902, and the guide rail hinge integrated device 904 is embedded in the groove of the fixed table top board 901 and the movable table top board 902; the fixing frame is fixed on the surface of the side of the fixed table top 901 facing the ground and used for fixing the table legs 903.

In one embodiment, there are two movable table panels 902, four legs 903, a first block 905 is disposed below the fixed table panel 901, and a groove is formed between the first block 905 and the end surface of the fixed table panel 901 for clamping and supporting the turned movable table panel 902; the fixing frame comprises two rectangular groove bodies, the rectangular groove bodies are positioned at two ends of the arc-shaped end face of the fixing desktop plate 901, two short edge end faces of the two rectangular groove bodies are fixedly connected with a support leg 903 through screws respectively, two long end faces of the two rectangular groove bodies are fixedly connected through two connecting strips fixed on the fixing desktop plate 901, and the two connecting strips are parallel to each other; the outer sides of the two connecting strips are respectively and fixedly provided with a first clamping block 905 which is used for clamping the movable table top plate 902 after being overturned and slid.

2. In one embodiment, the movable table top 902 has four movable table tops, each of the four table tops 903 has four table legs 903, each of the table legs 903 has at least one second fixture block 906 for fixing the movable table top 902 which is turned over, the second fixture block 906 is fixed to an end of the table leg 903 close to one end of the fixed table top 901, and an end surface of the second fixture block 906 and an end surface of the table leg 903 are not in a same plane, so that the second fixture block 906 forms a step on a side wall of the table leg 903 for clamping the folded movable table top 902; the fixed frame comprises a square frame fixed on the bottom surface of the fixed desktop plate 901 and concave fixed pieces positioned at the outer sides of four corners of the square frame; the square frame is formed by connecting four long strips end to end and is used for limiting and fixing the concave fixing piece; the concave fixing piece is provided with a concave groove which is matched with a convex part on the table leg 903, the convex part is fixedly arranged on the end surface of the table leg 903, and the end surface of the convex part is contacted with the fixed table top plate 901; the end surfaces of the protruding members are not in the same plane as the end surfaces of the table legs 903; at least one screw is arranged on the side surface of the concave groove and used for fixing the concave fixing piece with the convex part on the table leg 903; the table leg 903 and the raised member may form a generally "7" shape.

In one embodiment, the guide rail hinge integration device comprises a fixed shell 100, a movable shell 200, a hinge connecting frame 300, a sliding cushion block 400, a turnover hinge 600, a first cylindrical pin 401, a second cylindrical pin 601, a third cylindrical pin 602, a hinge connecting frame fixing mechanism and a limiting interlocking device, wherein the fixed shell 100 and the movable shell 200 are both shells with grooves and formed by pressing thin steel plates, waist-shaped holes are fixedly arranged on two side walls of the groove of the fixed shell 100, the sliding cushion block 400 is movably fixed in the groove of the fixed shell 100 through the first cylindrical pin 401 positioned on the waist-shaped hole of the fixed shell 100, the sliding cushion block 400 is provided with two blocks, is positioned on the inner wall of the groove of the fixed shell 100 and can slide in the groove of the fixed shell 100, and at least two first cylindrical pins 401 are arranged; the turnover hinge 600 is positioned in a groove of the movable shell 200, at least two second cylindrical pins 601 are arranged, the movable shell 200 slides back and forth and is limited by the second cylindrical pins 601, so that the movable shell 200 slides in the groove matched with the turnover hinge 600, the second cylindrical pins 601 penetrate through the turnover hinge 600 and the side wall of the movable shell 200, and at least one hole in the side wall of the turnover hinge 600 and the side wall of the movable shell 200 is a kidney-shaped hole; at one end of the movable shell 200, the turnover hinge 600 is hinged and fixed with the hinge connecting frame 300 through a third cylindrical pin 602; when the groove of the movable housing 200 is in the extending direction of the groove of the fixed housing 100, it is in an unfolded state; when the groove of the movable housing 200 is under or behind the groove of the fixed housing 100, it is folded; in the unfolded state, the movable housing 200 is fixed in the unfolded state by the hinge-connecting-frame fixing mechanism; the limiting interlocking device is used for limiting the movable shell 200 in an unfolding state and ensuring the movable shell 200 to normally slide in a folding state; an elastic sheet 800 is arranged between the movable shell 200 and the turnover hinge 600, and the elastic sheet 800 is fixed at the bottom of the groove of the turnover hinge 600, specifically: two slots have been seted up to upset hinge 600's slot bottom, and two slots are passed to flexure strip 800, and fix on upset hinge 600, and it is protruding at flexure strip 800 part, bulge and the contact of movable housing 200 slot bottom to take place to interfere, the meaning of taking place to interfere: if a through hole is formed at the bottom of the groove of the movable housing 200 at the position of the convex portion of the elastic piece 800, the lowest point of the convex portion is lower than the bottom of the groove of the movable housing 200. The actual situation is that: the groove bottom of the movable housing 200 has no through hole, and thus, the elastic piece is pressed under the action of the groove bottom of the movable housing 200, and the friction between the flip hinge 600 and the movable housing 200 is increased under the action of the acting force and the reacting force, for hindering the random relative movement between the flip hinge 600 and the movable housing 200.

The hinge connecting frame fixing mechanism comprises a first supporting frame 701 and a fifth cylindrical pin 705, the first supporting frame 701 is fixedly installed at the bottom of a groove of the movable shell 200, two grooves are formed in the end faces, close to the fixed shell 100, of the two side walls of the first supporting frame 701, holes for penetrating through the two side walls of the first supporting frame 701 are formed in the hinge connecting frame 300, when the movable shell 200 is unfolded, the edges of the holes for penetrating through the two side walls of the first supporting frame 701 in the hinge connecting frame 300 are clamped with the grooves in the first supporting frame 701 and fix the hinge connecting frame 300 together with the fifth cylindrical pin 705, and the unfolded movable shell 200 is indirectly fixed.

A first sliding part 504 is arranged between the sliding cushion blocks 400, and the sliding cushion block further comprises an angle adjusting device, wherein the angle adjusting device is fixedly arranged at one end of the hinge connecting frame 300 positioned at the fixed shell 100, 3 groups of adjusting screws are used for fixing the hinge connecting frame 300 and the sliding cushion blocks 400, the two groups of the angle adjusting device are arranged in the same direction, the other group of the angle adjusting device is arranged in the opposite direction, and the angle adjusting device is arranged from top to bottom or from bottom to top; the height of the first slider 504 is fixed, and the difference in height between the end of the hinge link 300 and the first slider 504 is adjusted by 3 sets of adjusting screws, and the angular relationship of the hinge link 300 with respect to the fixed housing 100 can be changed by using the fifth cylindrical pin 705 as a rotation fulcrum.

The limiting interlocking device comprises a first supporting frame 701, a first anti-return rocker 702, a third cylindrical pin 602, a fourth cylindrical pin 703, a fifth cylindrical pin 705 and an anti-return buckle 704, wherein the first supporting frame 701 is fixedly installed at the bottom of a groove of the movable shell 200, the anti-return buckle 704 is pressed towards the bottom of the groove of the fixed shell 100 by the other end of the first anti-return rocker 702, the fifth cylindrical pin 705 penetrates through the anti-return buckle 704 with a waist-shaped hole, and the anti-return buckle 704 clamps the first sliding piece 504 and the fixed shell 100 together for limiting the sliding of the first sliding piece 504; in the using process, the groove of the fixed housing 100 faces downward, when the movable housing 200 is in the unfolded state, the first support frame 701 supports one end of the first anti-kickback 702, when the movable housing 200 is folded, the first support frame 701 is separated from the first anti-kickback 702, the third cylindrical pin 602 presses one end of the first anti-kickback 702 toward the groove of the movable housing 200, the other end of the first anti-kickback 702 is separated from the anti-kickback buckle 704, the anti-kickback buckle 704 moves downward under the action of gravity, and the limit between the first sliding member 504 and the fixed housing 100 is eliminated.

In one embodiment, the hinge connecting frame fixing mechanism comprises a first support buckle 501, a hinge connecting frame 300 and a fifth cylindrical pin 705, wherein the first support buckle 501 is fixed at the bottom of a groove of the movable shell 200; the first support buckle 501 is in a screw shape with a big head and a small tail, and comprises a stop head and a connecting part, wherein the connecting part is in a rod shape, the stop head is in one of a column shape, a cake shape or a ball shape, and the diameter of the stop head is larger than that of the connecting part; one end of the connecting part is fixedly connected with the stop head, and the other end of the connecting part is fixed in the groove of the movable shell 200; holes with different sizes are arranged at the bottom of the groove of the hinge connecting frame 300, the hole close to one end of the fixed shell 100 is smaller than the hole far away from the fixed shell 100, the aperture close to one end of the fixed shell 100 is larger than the diameter of the connecting part of the first support buckle 501 and smaller than the diameter of the stop head part of the first support buckle 501, and in the hole close to one end of the fixed shell 100, the stop head part and the fifth cylindrical pin 705 play a supporting role for the hinge connecting frame 300 together to indirectly support the movable shell 200; the diameter of the hole far away from the fixed housing 100 is larger than the diameter of the stop head of the first support catch 501, so that when the first support catch 501 is far away from the hole of the fixed housing 100, the first support catch 501 does not interfere with the hinge connection frame 300 and can be smoothly separated from the hinge connection frame 300 in the overturning process of the movable housing 200.

In one embodiment, the device further comprises an angle adjusting device, wherein the angle adjusting device comprises a sliding cushion block 400, a second sliding piece 505 and an adjusting screw; wherein, the second sliding member 505 is located in the groove of the hinge connecting frame 300, and the hinge connecting frame 300 is located between the sliding pads 400 in the groove of the fixed housing 100; a fifth cylindrical pin 705 is positioned in a groove at one end of the fixed shell 100 close to the movable shell 200, the fifth cylindrical pin 705 passes through the side wall of the hinge connecting frame 300 and the sliding cushion block 400, and the fifth cylindrical pin 705 does not pass through the side wall of the fixed shell 100; in addition, two first cylindrical pins 401 are provided, one is close to the end part of the sliding cushion block 400, and the other is close to the fifth cylindrical pin 705; the first cylindrical pin 401 close to the fifth cylindrical pin 705 penetrates through the second sliding member 505, the sliding pad 400 and the side wall of the fixed shell 100, and the penetrating hole is a circular hole; the first cylindrical pin 401 near the end of the sliding block 400 penetrates the sliding block 400, and the hole penetrating the sliding block 400 is an arc-shaped kidney-shaped hole rotating around the first cylindrical pin 401 near the fifth cylindrical pin 705.

In one embodiment, the position-limiting interlocking device comprises a second supporting frame 502, a second anti-kickback plate 503 and a fifth cylindrical pin 705, wherein the second supporting frame 502 is fixedly mounted at the bottom of the groove of the movable housing 200 and is used for supporting one end of the second anti-kickback plate 503, and the second anti-kickback plate 503 is hinged and fixed at one end of the groove of the fixed housing 100 by the fifth cylindrical pin 705; in the using process, the groove of the fixed housing 100 faces downward, when the movable housing 200 is in the unfolded state, the second supporting frame 502 supports one end of the second anti-kickback plate 503, and the other end of the second anti-kickback plate 503 is connected to the hinge connecting frame 300 and the fixed housing 100 in a penetrating manner; when the movable housing 200 is folded, the second supporting frame 502 is separated from the second anti-kickback plate 503, and the other end of the second anti-kickback plate 503 eliminates the through clamping effect of the butt joint hinge connection frame 300 and the fixed housing 100 under the action of gravity.

In one embodiment, the hinge connection frame fixing mechanism includes a second support buckle 508, a hinge connection frame 300 and a fifth cylindrical pin 705, the second support buckle 508 is fixedly arranged on two side walls of the groove of the movable housing 200, a long hole 507 is arranged on the hinge connection frame 300 and is an anisotropic long hole, the long hole is divided into a front section and a rear section with different sizes, the front section and the rear section are respectively a front section and a rear section, the section close to the fixed housing 100 is the front section, and the section far away from the fixed housing 100 is the rear section; the projection size of the second support buckle 508 in the vertical direction is larger than the projection size of the front section of the long hole 507 in the vertical direction, and is smaller than the projection size of the rear section of the long hole 507 in the vertical direction; when the second support catch 508 is located at the front section of the long hole 507, it and the fifth cylindrical pin 705 together support the hinge connection frame 300, and indirectly support the movable housing 200.

In one embodiment, the device further comprises an angle adjusting device, wherein the angle adjusting device comprises an adjusting screw, a tilting piece 603 and a sixth cylindrical pin 706; the hinge connection frame 300 is fixed at one end of the tilting member 603, and an adjusting screw is arranged at the other end of the tilting member 603; the adjusting screws are 3 groups in total, the mounting directions of two groups are the same, and the mounting directions of the other group are opposite and are respectively one of mounting from top to bottom or mounting from bottom to top; the height difference between the end of the tilting member 603 and the fixed housing 100 is adjusted by adjusting 3 sets of adjusting screws, and the sixth cylindrical pin 706 is used as a rotation axis for adjusting the angular relationship of the hinge connection frame 300 relative to the fixed housing 100.

In one embodiment, the position-limiting interlocking device includes a third supporting frame 708, a third anti-tilting plate 709 and a fourth cylindrical pin 703, wherein the third supporting frame 708 is fixedly installed at the bottom of the groove of the movable housing 200, a top plate 707 is arranged on the third supporting frame 708, the top plate 707 is located in the center of the groove of the third supporting frame 708 and is perpendicular to the groove, the top end of the top plate 707 abuts against one end of the third anti-tilting plate 709, the other end of the third anti-tilting plate 709 penetrates through the hinged frame 300 and the tilting member 603, and under the action of the fourth cylindrical pin 703, when the movable housing 200 is unfolded, the other end of the third anti-tilting plate 709 is inserted into the holes of the hinged frame 300 and the tilting member 603 for clamping position limitation; when the movable housing 200 is folded, the third supporting frame 708 is separated from the third anti-kickback paddle 709, the third cylindrical pin 602 presses one end of the third anti-kickback paddle 709 toward the groove of the movable housing 200, the other end of the third anti-kickback paddle 709 is separated from the third anti-kickback paddle 709, the other end of the third anti-kickback paddle 709 moves downward under the action of gravity, and the through clamping limit of the hinged connection frame 300 and the tilting member 603 is cancelled.

The turnover hinge 600 is provided with two rectangular holes, one end of the spring piece 800 is fixed on the upper surface of the turnover hinge 600, the other end of the spring piece 800 is fixed on the lower surface of the turnover hinge 600, the spring piece 800 is provided with a bulge which is parallel to the second cylindrical pin 601 and contacts with the upper surface of the groove bottom surface of the movable shell 200 to form extrusion force of the turnover hinge 600 and the movable shell 200, so that the friction force of the turnover hinge 600 relative to the movable shell 200 is increased, and the sliding of the movable shell 200 can be effectively blocked.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

Claims

1. A size-variable sliding and overturning dining table is characterized by comprising a fixed table panel, a movable table panel, table legs, a clamping block, a fixed frame and a guide rail hinge integration device, wherein the fixed table panel is fixed and fixed, at least one movable table panel is movably contacted with the fixed table panel, the contacted edges of the movable table panel and the fixed table panel are straight edges, the movable table panel consists of straight edges and arc edges, the movable table panel performs overturning motion relative to the fixed table panel, and the movable table panel is unfolded to form a complete round or oval dining table; the desk legs are fixed on one side of the fixed desktop plate facing the ground, and at least one guide rail hinge integrated device is arranged at the connecting position of each movable desktop plate and the fixed desktop plate; the movable desktop plate is turned downwards and slides towards the center of the fixed desktop plate after being parallel to the fixed desktop plate; the guide rail hinge integration device movably connects the fixed desktop plate and the movable desktop plate and is embedded in the grooves of the fixed desktop plate and the movable desktop plate; the fixing frame is fixed on the surface of one side of the fixing table panel facing the ground and used for fixing the table legs.

2. A dining table with variable size and capable of sliding and overturning according to claim 1, wherein the movable table top plate comprises two movable table top plates and four table legs, a first clamping block is arranged below the fixed table top plate, and a groove is formed between the first clamping block and the end face of the fixed table top plate and used for clamping and supporting the overturned movable table top plate; the fixing frame comprises two rectangular groove bodies, the rectangular groove bodies are positioned at two ends of the arc-shaped end face of the fixing table board, two short-edge end faces of the two rectangular groove bodies are respectively fixedly connected with a table leg through screws, two long end faces of the two rectangular groove bodies are fixedly connected through two connecting strips fixed on the fixing table board, and the two connecting strips are parallel to each other; the outer sides of the two connecting strips are respectively fixedly provided with a first clamping block for clamping the movable desktop plate after overturning and sliding.

3. A dining table with variable size and capable of being turned over by sliding according to claim 1, wherein the movable table top plate has four movable table legs, each table leg is provided with at least one second clamping block for fixing the turned movable table top plate, the second clamping block is fixed at the end part of the table leg close to one end of the fixed table top plate, and the end surface of the second clamping block is not in the same plane with the end surface of the table leg, so that the second clamping block forms a step on the side wall of the table leg for clamping the folded movable table top plate; the fixed frame comprises a square frame fixed on the bottom surface of the fixed desktop plate and concave fixed pieces positioned at the outer sides of four corners of the square frame; the square frame is formed by connecting four long strips end to end and is used for limiting and fixing the concave fixing piece; the concave fixed part is provided with a concave groove which is matched with the convex part on the table leg, the convex part is fixedly arranged on the end surface of the table leg, and the end surface of the convex part is contacted with the fixed table panel; the end surface of the convex part and the end surface of the table leg are not on the same plane; at least one screw is arranged on the side surface of the concave groove and used for fixing the concave fixing piece with the convex part on the table leg; the table legs and the raised parts form a whole in a 7 shape.

4. The dining table with the variable sliding and overturning size as claimed in claim 1, wherein the guide rail hinge integration device comprises a fixed shell, a movable shell, a hinge connection frame, a sliding cushion block, an overturning hinge, a first cylindrical pin, a second cylindrical pin, a third cylindrical pin, a hinge connection frame fixing mechanism and a limiting and interlocking device, wherein the fixed shell and the movable shell are both shells with grooves and are formed by pressing thin steel plates, kidney-shaped holes are fixedly formed in two side walls of a groove of the fixed shell, the sliding cushion block is movably fixed in the groove of the fixed shell through the first cylindrical pin positioned in the kidney-shaped hole of the fixed shell, the sliding cushion block is provided with two blocks, is positioned on the inner wall of the groove of the fixed shell and can slide in the groove of the fixed shell, and at least two first cylindrical pins are arranged; the turnover hinge is positioned in a groove of the movable shell, the number of the second cylindrical pins is at least two, the movable shell slides back and forth and is limited by the second cylindrical pins, so that the movable shell slides in the groove matched with the turnover hinge, the second cylindrical pins penetrate through the turnover hinge and the side wall of the movable shell, and at least one of holes in the side wall of the turnover hinge and the side wall of the movable shell is a kidney-shaped hole; at one end of the movable shell, the turnover hinge is hinged and fixed with the hinge connecting frame through a third cylindrical pin; when the groove of the movable shell is in the extending direction of the groove of the fixed shell, the movable shell is in an unfolded state; when the movable shell groove is right below the fixed shell groove, the movable shell groove is in a folded state; in the unfolding state, the movable shell is fixed in the unfolding state by the hinge connecting frame fixing mechanism; the limiting interlocking device is used for limiting the movable shell in an unfolding state and ensuring the movable shell to normally slide in a folding state; an elastic sheet is arranged between the movable shell and the turnover hinge, the elastic sheet is fixed at the bottom of the groove of the turnover hinge, the elastic sheet is partially protruded, the protruded part is contacted with the bottom of the groove of the movable shell and generates interference to generate pressing force for blocking relative movement between the turnover hinge and the movable shell;

the hinge connecting frame fixing mechanism comprises a first supporting frame and a fifth cylindrical pin, the first supporting frame is fixedly arranged at the bottom of a groove of the movable shell, two grooves are formed in the end faces of two side walls, close to the fixed shell, of the first supporting frame, holes for penetrating through the two side walls of the first supporting frame are formed in the hinge connecting frame, when the movable shell is unfolded, the edges of the holes for penetrating through the two side walls of the first supporting frame in the hinge connecting frame are clamped with the grooves in the first supporting frame, the hinge connecting frame is fixed together with the fifth cylindrical pin, and the unfolded movable shell is indirectly fixed;

5. A variable-size slide-and-turn table as claimed in claim 4, wherein the hinge-connecting-frame fixing mechanism comprises a first supporting clip, a hinge-connecting frame and a fifth cylindrical pin, the first supporting clip is fixed at the bottom of the groove of the movable shell; the first support buckle is in a shape of a stepped rod with a big head and a small tail and consists of a stop head and a connecting part, the connecting part is in a rod shape, the stop head is in one of a column shape, a cake shape or a ball shape, and the diameter of the stop head is larger than that of the connecting part; one end of the connecting part is fixedly connected with the stop head part, and the other end of the connecting part is fixed in the groove of the movable shell and slides along with the movable shell; waist-shaped holes which are different in size and communicated are formed in the bottoms of the grooves of the hinge connecting frames, the hole close to one end of the fixed shell is smaller than the hole far away from the fixed shell, the hole diameter close to one end of the fixed shell is larger than the diameter of the connecting part of the first supporting buckle and smaller than the diameter of the stopping head part of the first supporting buckle, and the stopping head part and the fifth cylindrical pin play a supporting role for the hinge connecting frames together in the hole close to one end of the fixed shell to indirectly support the movable shell; the aperture far away from one end of the fixed shell is larger than the diameter of the locking head of the first support buckle, so that when the first support buckle is far away from the waist-shaped hole position of the fixed shell, the movable shell cannot interfere with the hinge connection frame in the overturning process, and the first support buckle can be smoothly separated from the hinge connection frame.

6. The variable-size slide-and-flip table as claimed in claim 5, further comprising an angle adjustment device, the angle adjustment device comprising a slide pad, a second slider and an adjustment screw; the second sliding part is positioned in a groove of the hinge connecting frame, and the hinge connecting frame is positioned between the sliding cushion blocks in the groove of the fixed shell; the fifth cylindrical pin is positioned in a groove at one end of the fixed shell, which is close to the movable shell, penetrates through the side wall of the hinge connecting frame and the sliding cushion block, and does not penetrate through the side wall of the fixed shell; in addition, the first cylindrical pin is provided with two kidney-shaped holes which penetrate through the fixed shell, one kidney-shaped hole is close to the end part of the sliding cushion block, and the other kidney-shaped hole is close to the fifth cylindrical pin; the first cylindrical pin close to the fifth cylindrical pin penetrates through the second sliding piece, the sliding cushion block and the side wall of the fixed shell, and the through hole is a circular hole; the first cylindrical pin penetrates through the circular holes in the two side walls of the sliding cushion block and the second sliding part and the kidney-shaped hole in the fixed shell, and the hole penetrating through the hinge connecting frame is an arc kidney-shaped hole rotating around the axis of the first cylindrical pin close to the fifth cylindrical pin.

7. The dining table with the variable sliding and overturning sizes as claimed in claim 6, wherein the limiting and interlocking device comprises a second supporting frame, a second anti-back-up rocker and a fifth cylindrical pin, the second supporting frame is fixedly installed at the bottom of the groove of the movable shell and used for supporting one end of the second anti-back-up rocker, and the second anti-back-up rocker is hinged and fixed at one end of the groove of the fixed shell through the fifth cylindrical pin; in the use process, the groove of the fixed shell faces downwards, when the movable shell is in an unfolded state, the second support frame supports one end of the second anti-return wane, and the other end of the second anti-return wane penetrates through the hinge connecting frame and the fixed shell; when the movable shell is folded, the second support frame is separated from the second backstop wane, and the other end of the second backstop wane eliminates the through clamping effect of the butt joint hinged connection frame and the fixed shell under the action of gravity.

8. A dining table with variable sliding and overturning sizes as claimed in claim 4, wherein the hinge connecting frame fixing mechanism comprises a second supporting buckle, a hinge connecting frame and a fifth cylindrical pin, the second supporting buckle is fixedly arranged on two side walls of the groove of the movable shell, the hinge connecting frame is provided with long holes with different sizes, each long hole is divided into a front section and a rear section, one section close to the fixed shell is a front section, and the other section far away from the fixed shell is a rear section; the projection size of the second support buckle in the vertical direction is larger than that of the front section of the long hole in the vertical direction and smaller than that of the rear section of the long hole in the vertical direction; when the second support buckle is positioned at the front section of the long hole, the second support buckle and the fifth cylindrical pin have a supporting effect on the hinge connecting frame together, and the movable shell is indirectly supported.

9. A variable-size slide-and-flip table as claimed in claim 4, further comprising an angle adjustment mechanism comprising an adjustment screw, a tilting member and a sixth cylindrical pin; the hinge connecting frame is fixed at one end of the tilting piece, and the other end of the tilting piece is provided with an adjusting screw; the adjusting screws are 3 groups in total, the mounting directions of two groups are the same, and the mounting directions of the other group are opposite and are respectively one of mounting from top to bottom or mounting from bottom to top; the height difference between the end part of the tilting piece and the fixed shell is adjusted by adjusting the 3 groups of adjusting screws, and the sixth cylindrical pin is used as a rotating shaft and is used for adjusting the angle relation of the hinge connecting frame relative to the fixed shell.