CN113925275A

CN113925275A - Telescopic folding table

Info

Publication number: CN113925275A
Application number: CN202111185729.7A
Authority: CN
Inventors: 蒋晶磊
Original assignee: Yixiang Blow Molding Furniture Ningbo co Ltd
Current assignee: Yixiang Blow Molding Furniture Ningbo co Ltd
Priority date: 2020-10-21
Filing date: 2021-10-12
Publication date: 2022-01-14
Also published as: CN216293323U; CN215685524U

Abstract

A flexible folding table, can have movable panels between two main panels of the folding table, two main panels can slip to and fro through the supporting frame through the sliding telescopic mechanism separately, and can form a free position that can just hold the movable panel; the bottom of the table top plate is provided with a pair of foldable pulleys, one side of the length direction of the bottom of the table top plate is provided with a pull rod, and the pull rod can extend out of one side of the table top plate along the length direction in a pulling mode; at the same time, at least one bearing frame is arranged at the bottom of the table top plate and can also extend out of the table top plate in a drawing mode. The folding table has the advantages that through the unique structural layout, the table top plate can be used as a trolley after being stretched and folded on the basis of being folded, so that one folding table has the functions of adjusting the length of the table top plate and transporting objects besides the conventional folding function, the functional structures are not interfered with each other, the layout is reasonable, the design is ingenious, the use is convenient, the table is multipurpose, and various requirements of users can be met.

Description

Telescopic folding table

Technical Field

The invention relates to a folding table, in particular to a multifunctional telescopic folding table with a telescopic table top, which can be used as a cart after being folded.

Background

The telescopic table is a table capable of enlarging the area of a table top, is used more at home, and particularly needs to be unfolded and extended when the number of people having meals in the home is greatly changed, so that the telescopic table is suitable for being used by more people, and the occupied space can be reduced by shortening the telescopic table when the number of people is small.

The folding table is a table which can be folded to reduce the placing space, thus being convenient to carry. However, although a common folding table can be folded, the table top cannot be stretched, and after the folding table is unfolded, the length of the table top is fixed and cannot be extended, so that the folding table cannot be adjusted according to the number of people sitting on the table and the number of articles to be placed on the table. Such a folding table structure is disclosed, for example, in publication number CN 207428721U.

In addition, the existing telescopic table and folding table are not convenient to move, and particularly a large-size table top formed by splicing double table tops is adopted. Therefore, in order to enable the table to be convenient to carry and transport during traveling, exhibiting and selling and outdoor activities, the problem that the folding table is inconvenient to move is solved by arranging the pulleys in the folding table and sliding the pulleys.

However, with the continuous improvement of the quality of life of people, the functional requirements on work and living goods are stronger and stronger, the desk is required to be portable, and the transportation and bearing function of the cart can also be better realized, so that when people go to outdoor activities or exhibition and display activities, display equipment, propaganda materials and the like for chairs, foods, exhibition and display can be pulled away together by utilizing the desk.

In view of the above situation, for example, the publication numbers CN203920813U (named as a multipurpose trolley capable of interchanging functions of a desk and a trolley) and CN210471373U (named as a multifunctional desk) disclose a desk structure capable of serving as a desk and a trolley, so as to achieve multiple purposes. However, the table tops of the two table structures are both of an integral structure, so that the table tops cannot be too large, otherwise the tables are inconvenient to carry and store; and objects to be transported are directly placed on the table top plate, and if the strength and the bearing of the table top plate are insufficient, the table top plate is easy to damage.

Therefore, the existing folding table does not have the multiple functions of compatibility, and can not realize the multiple functions of folding, extension, roller skating, object carrying and the like simultaneously.

Disclosure of Invention

The first technical problem to be solved by the present invention is to provide a foldable table with a retractable table top to solve the problem that the table top of the existing foldable table cannot be adjusted in length.

The second technical problem to be solved by the present invention is to provide a retractable folding table capable of realizing the transportation and carrying functions of a cart, so as to further enhance the functions of the folding table, so that the folding table has a plurality of functions that the table top is retractable and can be used as a cart after being folded.

The first technical problem to be solved by the invention adopts the technical scheme that: the telescopic folding table comprises a table top plate, wherein the table top plate comprises two main panels which are in butt joint; the table frame comprises a supporting frame and a foldable foot rest unit connected with the supporting frame, the supporting frame is provided with a pin joint device, a longitudinal supporting rod piece and a transverse supporting rod piece, and the supporting frame can be folded around a pin joint shaft of the pin joint device and can be used for driving two butted main panels to be folded; the table top board is characterized by also comprising a movable panel which can be arranged between the two main panels, the two main panels can respectively slide back and forth along the length direction of the table top board through a sliding mechanism between the two main panels and the supporting frame, and a neutral position which can just contain the movable panel can be formed.

Preferably, the sliding mechanism comprises a sliding rail fixed with the main panel, the sliding rail is in sliding fit with the longitudinal support rod piece, a sliding groove is formed in the sliding rail and arranged along the length direction, and a pin blocking piece connected with the longitudinal support rod piece is arranged in the sliding groove. According to the length of the main panel and the slide rail, two or more than two slide grooves can be arranged on the slide rail at intervals, and the length of each slide groove is set according to the length of the movable panel and cannot be less than one half of the length of the movable panel. The pin blocking piece has the functions of connecting the sliding rail and the longitudinal support rod piece and blocking and limiting. When the main panel is unfolded and slides to the maximum displacement, one end of the sliding chute, which is adjacent to the butt joint part, is collided with the stop pin piece; when the main panel returns, one end of the sliding groove far away from the butt joint part collides with the stop pin piece.

Preferably, for being more suitable for outdoor use, two main panels and activity panel all adopt cavity blow molding panel, and all shaping on the butt joint face of activity panel and two main panels has interval distribution's recess and lug, activity panel and two main panels butt joint back, the lug on the activity panel and the recess gomphosis on the main panel, the recess on the activity panel and the lug gomphosis on the main panel. Conventionally, under the butt joint state of two main panels, the upper side parts of the butt joint surfaces are in plane butt joint, and the lower side parts are sequentially embedded by a groove and a bump which are arranged between the upper side parts and the lower side parts; similarly, the left and right sides of the movable panel are butt joint surfaces respectively butt joint with the two main panels, under the butt joint state of the movable panel and the two main panels, the upper side parts of the butt joint surfaces are in plane butt joint, and the lower side parts are also sequentially embedded by the grooves and the convex blocks between the upper side parts and the lower side parts. By adopting the structure, the structure strength of the butt joint of the panels is improved, the butt joint seams can be reduced, and the flatness of the table top plate can be ensured.

Preferably, the longitudinal support rod is a hollow pipe; the sliding rail is a strip-shaped plate, is arranged between the longitudinal support rod piece and the side part of the main panel, and can slide back and forth relative to the longitudinal support rod piece along with the main panel. By adopting the structure, the arrangement of the frame and the foot rest unit is not influenced, and the foot rest unit can be hidden in the edge convex edge which is arranged on the table top plate in a downward extending way, so that the integral appearance is not influenced.

Preferably, the bottom of the movable panel can be provided with a plurality of clamping pieces which can be clamped on the foot rest unit when not in use, so that the foot rest unit is convenient to take and use; the corner of the table top plate can be provided with a jack penetrating through the table top plate so as to insert some objects, such as a telegraph pole for installing a lamp. And a plug cover can be arranged on the jack, and when the telegraph pole is not installed, the plug cover can be used for plugging, so that the desktop is flat.

The second technical problem to be solved by the present invention is to provide a retractable folding table, comprising:

the two pulley pieces are arranged at the bottom of the table top board in a foldable mode at intervals, and the wheels of the pulley pieces are folded at the bottom of the table top board in an unfolded state at the folding table; when the folding table is in a folding state, the wheels of the pulley piece extend out of the table top plate and can be contacted with the ground;

the pull rod is arranged at the bottom of the desktop plate and is arranged in a T shape with the two pulley pieces, and the pull rod can extend out of the desktop plate in a drawing mode;

the bearing frame is provided with at least one bearing frame, is arranged at the bottom of the table top board, can extend out of the table top board in a drawing mode, and is rotationally locked in a state of being capable of erecting objects through a rotating mechanism.

By adopting the structure, the length of the table top board of the folding table can be adjusted, and the folding table also has the dual functions of the table and a trolley, so that the table and objects can be moved more easily and more conveniently, and more convenience is brought to activities such as outdoor activities, exhibition and display of people.

Furthermore, a locking mechanism which can be locked together after being folded is arranged between the two main panels of the desktop plate, so that the two main panels can be firmly locked together after being folded when the desk is used as a trolley, and the two main panels cannot be separated due to the increase of bearing.

Furthermore, the two pulley members can be installed along the length direction or the width direction of the table top board, but the installation in the width direction is preferred, namely, the two pulley members are installed at two sides of the width direction of the bottom of the table top board and are adjacent to the splicing position of the two main panels; correspondingly, the pull rod is arranged in the middle of one side of the length direction of the bottom of the table top plate, and the pull rod can extend out of one side of the table top plate along the length direction in a pulling mode. The arrangement skillfully utilizes the area in the foot rest unit and simultaneously does not interfere with the foot rest unit. When the trolley is used as a trolley, the height of the trolley is the length of one main panel, and the trolley is very suitable for being dragged or pulled. However, if two pulleys are installed in the longitudinal direction, that is, installed at both sides of the lower side in the longitudinal direction of one main panel, and the pull rod is installed at the middle of the upper side, the cart function can be achieved in the same way, but the structural layout is not reasonable in the width direction.

Further, the pull rod and the bearing frame may not be disposed on the same main panel, wherein the bearing frame is preferably two, and includes a first bearing frame and a second bearing frame, the first bearing frame and the pull rod are disposed on the same side and locked in an upward state relative to the table top by the rotating mechanism in a folded state of the table, the second bearing frame extends from a butt joint of the two main panels and is also locked in an upward state relative to the table top by the rotating mechanism, and the first bearing frame and the second bearing frame may be disposed on the same main panel or different main panels. When the foldable table is used as a trolley, the first bearing frame positioned on the upper part can be used for hanging articles such as chairs or bags and the like which need to be pulled away together, and the second bearing frame positioned on the lower part can be used for placing articles such as refrigerating boxes or packing boxes containing food and the like, so that the articles can be easily pulled away together by using the foldable table. In order to enable the pull rod and the bearing frame to be pulled out from the bottom of the table top plate, the edge convex edges extending downwards of the two main panels are respectively provided with abdicating notches for the first bearing frame and the pull rod to extend out.

Furthermore, the pulley piece can comprise the wheel, a movable connecting arm and a fixed seat, wherein one end of the movable connecting arm is pivoted on the fixed seat, and the other end of the movable connecting arm is connected with the wheel; the fixing seat is integrally arranged on the transverse supporting rod piece of the supporting frame and is provided with two parallel and spaced side pieces, the length direction of the side pieces is consistent with the width direction of the table top board, two ends of each side piece are respectively provided with an inner limiting groove and an outer limiting groove for stopping a limiting convex column connected to the movable connecting arm, and the edge of each side piece between the inner limiting groove and the outer limiting groove is processed into an arc shape. When the limiting column falls into the inner limiting groove, the wheels are positioned at the bottom of the table top plate; when the limiting column is in the outer limiting groove, the wheels extend out of the table top plate, and when the table is folded, the wheels can be in contact with the ground, and the table can be used as a cart.

Furthermore, the locking mechanism is arranged at the position adjacent to the abdicating notch and comprises a lock catch and a lock column which are respectively arranged on the two main panels and can be locked with each other, wherein the lock catch is rotatably connected on a lock catch seat fixed with the main panels. The locking mechanism is hidden between the two main panels and is not exposed, so that the attractiveness of the desk is not influenced, and the manual operation is facilitated.

Further, the pull rod can be realized by adopting different structures, such as a relatively simple telescopic rod type structure; but preferably, the draw-bar structure of a conventional draw-bar box can be adopted, the draw-bar structure comprises a pair of draw-bar outer tubes fixed at the bottom of the table top plate, a draw-bar telescopic rod is assembled in each draw-bar outer tube, a handle is arranged at the upper end of each draw-bar telescopic rod, a button is arranged on each handle, and the button controls the draw-bar telescopic rod to stretch and position.

Furthermore, in order to facilitate the placement of objects and have better bearing strength, the first bearing frame and the second bearing frame can be made into U-shaped structures and comprise a pair of parallel outer bearing frame tubes, and telescopic and positionable bearing frame telescopic rods are assembled in the outer bearing frame tubes; the telescopic rod of the bearing frame is U-shaped, and the rod body of the telescopic rod is provided with the rotating mechanism; one end of the outer pipe of the bearing frame of the second bearing frame is fixed with the transverse support rod piece, and the other end of the outer pipe of the bearing frame of the second bearing frame is arranged on the limiting seat arranged on the main panel in a sliding manner; the main panel is provided with at least two limiting seats corresponding to the outer tube of the bearing frame, and the spacing distance between the two limiting seats is not more than one half of the length of the movable panel. Therefore, the non-fixed end of the outer pipe of the bearing frame can be supported and limited corresponding to the telescopic states of the two main panels. The loading ledges may of course also be designed in other ways, without being restricted thereto.

Further, the telescopic rod of the bearing frame can be formed by connecting an upper rod and two lower rods which are separated, the upper rod is U-shaped, two ends of the upper rod are respectively connected with the lower rods through the rotating mechanism, the end parts of the lower rods are flat after two sides are flattened, the outer edge surfaces of the lower rods are sequentially provided with a vertical plane, an inclined plane and an arc-shaped surface along the length direction of the lower rods, correspondingly, the middle of the end parts of the upper rod is provided with a containing opening, the end parts of the lower rods are inserted into the containing opening and connected through a rotating shaft, and the rotating mechanism capable of rotationally locking the bearing frame is formed by the rotating shaft and end structures of the upper rod and the lower rods. Thus, when the upper rod is pulled out, the wall surface of the accommodating opening of the upper rod opposite to the end part of the lower rod is rotated to be abutted against the vertical plane of the end part of the lower rod, and the inclined surface on the upper rod can limit the relative rotation of the upper rod and the lower rod, so that the upper rod can be locked in a 90-degree or approximately 90-degree upward state. Only when external force acts, the upper rod can rotate along the inclined plane and the arc-shaped surface until the upper rod and the lower rod are in a horizontal state, and at the moment, the upper rod can be retracted into the outer pipe of the bearing frame.

Compared with the prior art, the invention has the advantages that: the folding table disclosed by the invention breaks the limitation that the table top plate can only be folded in half and cannot be stretched out and drawn back in the traditional folding table, and the table top plate can be stretched out and drawn back and can be used as a trolley after being folded through a unique structural layout, so that the folding table has the functions of adjusting the length of the table top plate and transporting objects besides the conventional folding function, the functional structures are not interfered with each other, the layout is reasonable, the design is ingenious, the use is convenient, the multifunction of one object is realized, and various requirements of users can be met. Also can make activity panel and two wheels can utilize the space that forms after two main panels fifty percent discount and place inside again when packing, the area of whole desk after folding only has the area size of a main panel, therefore makes the packing volume reduce greatly to can reduce packing and cost of transportation, also conveniently accomodate simultaneously and carry.

Drawings

Fig. 1 is a schematic view of the desk top of the present invention in an extended and lengthened state.

Fig. 2 is a schematic view of fig. 1 in an inverted state.

Figure 3 is an exploded view of the removable panel of figure 1 (utility pole not shown).

FIG. 4 is a schematic view of the table top of the present invention in a retracted, unarmed state.

Fig. 5 is a schematic view of fig. 4 in an inverted state.

Figure 6 is an exploded schematic view of figure 1 (utility pole not shown).

Fig. 7 is a schematic view of fig. 6 in an inverted state.

Figure 8 is an exploded view of the table top.

Fig. 9 is a perspective view of the embodiment of the present invention in a folded state (with the tie bar pulled out).

Fig. 10 is a schematic view of fig. 9 after the loading ledges have been pulled out.

Fig. 11 is a schematic view of fig. 10 with the main panel 1a hidden.

Fig. 12 is a perspective view of a telescoping bar of a carriage in accordance with an embodiment of the present invention.

FIG. 13 is a view reflecting the locked state of the telescoping rod of the loading frame of FIG. 12.

Fig. 14 is an enlarged schematic view of a portion a of fig. 13.

Fig. 15 is an exploded view of fig. 13.

Fig. 16 is an enlarged schematic view of fig. 15 at B.

Fig. 17 is a schematic view of an embodiment of the present invention in a folded package state (with the main panel 1a hidden).

Fig. 18 is an enlarged view of fig. 17 at C.

Fig. 19 is an external view of the embodiment of the present invention in a folded package state.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

Referring to fig. 1 to 19, the retractable folding table includes a table top 100, a table frame 200, a pulley member 3, a carriage 6, a pull rod 5, etc., wherein:

the table top 100 comprises two main panels 1a and 1b and a movable panel 1c, wherein the left main panel 1a and the right main panel 1b have the same or substantially the same shape and size (as shown in fig. 8). But is not limited thereto, and both the main panels 1a and 1b can be adjusted according to specific needs. The movable panel 1c can be placed between the two main panels 1a and 1b to lengthen the length of the table top, and the movable panel 1c can be one or more than one, but one of the embodiments is preferred. In order to better adapt to outdoor use, the two main panels 1a and 1b and the movable panel 1c are hollow blow-molded panels (the concave structure at the bottom of the panels is omitted in the figure). As in the conventional case, the opposite side portions of the two main panels 1a and 1b, that is, the lower portions of the butting surfaces to be butted against each other, are integrally formed with the recesses 14 and the protrusions 13 distributed in a staggered manner, in a state where the two main panels 1a and 1b are butted against each other, the upper side portions of the butting surfaces are in plane butting, and the lower side portions are in sequential tabling butt joint with the recesses 14 and the protrusions 13 therebetween, so that the table top is in a conventional double-split panel state as shown in fig. 4 and 5. Similarly, the left and right sides of the movable panel 1c are butt joint surfaces respectively butt-jointed with the two main panels, the lower parts of the two sides are also integrally formed with the grooves 14 and the projections 13 which are distributed in a staggered manner, when the movable panel 1c is butt-jointed with the two main panels 1a and 1b, the upper sides of the butt joint surfaces are also in plane butt joint, the lower sides are also in sequential tabling butt joint with the grooves 14 and the projections 13 which are arranged between the grooves 14 and the projections 13, namely, the projections 13 on the movable panel 1c are tabling with the grooves 14 on the main panels 1a and 1b, the grooves on the movable panel 1c are tabling with the projections 13 on the main panels 1a and 1b, and the table panel is in the extended and lengthened state shown in fig. 1-3. By adopting the structure, the structure strength of the butt joint of the panels is improved, the butt joint seams can be reduced, and the flatness and the attractiveness of the table top plate 100 can be ensured.

As shown in fig. 2 and 4, two clips 17 are further installed at the bottom of the movable panel 1C, and the clips 17 may be C-shaped clips which can be clamped on the supporting legs 21 of the foot stand unit 2 when not in use, so as to be convenient for taking. In addition, a receptacle 15 is provided at the corner of one of the main panels for receiving an object, such as a lamp pole 19, for receiving a lamp. And a plug cover can be arranged on the jack 15, and when the telegraph pole 19 is not installed, the plug cover can be used for plugging, so that the desktop is kept flat.

The desk frame 200 is mainly composed of a supporting frame 4 and a left and right movably foldable foot frame units 2, the supporting frame 4 is composed of a front and back pivot device 41 and a plurality of horizontal and longitudinal supporting

rods

43, 42, etc. which are connected (the horizontal and front and back directions are the width direction of the desk panel, the longitudinal and left and right directions are the length direction of the desk panel), the horizontal supporting rod 43 and the longitudinal supporting rod 42 are both hollow pipes, square pipes are preferred. The longitudinal support rods 42 of the present embodiment are four, two opposite to each other, and are connected to the pivoting devices 41, respectively, the lateral support rods 2 are two and are connected between the front and rear pivoting devices 41, respectively, and the left and right portions of the frame can be folded around the pivoting shafts 411 of the front and rear pivoting devices 41. The left and right foot rest units 2 are respectively and correspondingly connected with the longitudinal support rod 42 of the support frame, and because the two main panels 1a and 1b of the folding table slide and stretch relative to the support frame 4, the left and right foot rest units 2 are not connected with the two main panels 1a and 1 b. The left and right leg units 2 have substantially the same structure, and include a rotating shaft 22, two supporting legs 21 and a crosspiece 23, in order to facilitate the folding of the folding table to accommodate the movable panel and two legs inside (as shown in fig. 17), wherein the rotating shaft 22 and the two supporting legs 21 are arranged in a door shape, the rotating shaft 22 is welded at the upper ends of the two supporting legs 21, and the two ends of the rotating shaft 22 are rotatably disposed in the shaft holes of the two longitudinal supporting bars 42, so that the leg unit 2 can rotate relative to the table top board 100. The supporting legs 21 are vertical hollow tubes, and a supporting rod 24 is hinged between the longitudinal supporting rod 42 and the corresponding supporting leg 21, and the supporting rod 24 is mainly composed of a hinged upper connecting rod and a hinged lower connecting rod and can be folded. By adopting the foot rest unit structure, the stretching of the table top plate is not influenced, the movable panel and the two wheels can be placed in the table top plate by utilizing the space formed by folding the two main panels in half (as shown in figures 17 and 19) during packaging, the packaging volume of the whole folding table is reduced, the packaging and transportation cost can be reduced, and the folding table is convenient to store and carry.

Since the pivot joint device 41 can adopt a conventional structure, it will not be described in detail. It should be noted that the structures of the main panels 1a and 1b, the supporting frame 4, the pivoting device 41 and the foot stool unit 2 of the present invention may be modified or other known techniques may be adopted, except for the embodiment shown in the drawings.

In order to make the two main panels 1a, 1b respectively slide relative to the supporting frame 4, the left and right main panels 1a, 1b are connected with the supporting frame 4 through a sliding mechanism, the position of the two main panels 1a, 1b relative to the supporting frame 4 can be changed through the mechanism, so that the two main panels have an extending position (the two main panels slide back to back in operation) and a retracting position (the two main panels slide towards each other in operation), the movable panel 1c can be placed in the extending position to be butted with the two main panels 1a, 1b, and the desktop plate 100 is lengthened (as shown in fig. 1, 2 and 3); in the retracted position, the two main panels 1a, 1b are docked (fig. 4, 5). The method comprises the following steps: a slide rail 8 is arranged between each longitudinal support rod 42 and the main panels 1a and 1b, the slide rail 8 is a long strip-shaped plate with a cross section in a [ -shape, and is fixed with the main panels 1a and 1b by screws, and the two can be linked together. The slide rail 8 is in sliding fit with the longitudinal support rod member 42, a slide groove 81 is arranged in the length direction of the slide rail 8, a stop pin member 9 connected with the longitudinal support rod member 42 is arranged in the slide groove 81, two ends of the stop pin member are respectively provided with an enlarged head, one end of the stop pin member is arranged on the slide groove 81, and the other end of the stop pin member passes through an opening of the longitudinal support rod member 42 and is arranged in a hollow cavity of the longitudinal support rod member 42. According to the lengths of the main panels 1a and 1b and the slide rail 8, two or more slide grooves 81 can be arranged on the slide rail 8 at intervals, the length of each slide groove 81 is set according to the length of the movable panel 1c, and when the two main panels 1a and 1b slide to the maximum displacement respectively, the distance between the two main panels 1a and 1b is consistent with the length of the movable panel 1c, so that the movable panel 1c can be just accommodated in the neutral position 10 and is in butt joint fit with the two main panels 1a and 1 b. The stop pin member 9 not only has the function of connecting the slide rail 8 and the longitudinal support rod member 42, but also has the function of stopping and limiting, when the main panels 1a and 1b are in the extended position, one end of the sliding groove 81 adjacent to the butt joint part 12 collides with the stop pin member 9 (as shown in fig. 6 and 7); when the main panels 1a, 1b are in the retracted position, the end of the slide groove 81 remote from the butt joint 12 collides with the stopper pin member 9. When the telescopic folding table is to be folded, the main panels 1a, 1b are to be in a retracted position.

The telescopic folding table of the invention can be used as a cart after being folded (as shown in fig. 9 and 10) besides the telescopic table top. It is mainly realized by a pulley member 3, a pull rod 5, a bearing frame 6 and the like which are arranged at the bottom of the table top board. Wherein:

two pulley members 3 are installed at both sides of the bottom of the right main panel 1b in the width direction, adjacent to the butt joint 12 of the left and right panels, and when the table is unfolded, the wheels 31 of the pulley members can be folded at the bottom of the table top 1 (as shown in fig. 1-5); when the table is folded, the wheels 31 of the roller members can extend outside the table top 1 and slide in contact with the ground (as shown in figures 9 and 10). The concrete structure of the pulley member 3 is as shown in fig. 2, it is mainly composed of wheel 31, movable connecting arm 32 and fixed seat 33, the fixed seat 33 is integrally set on the horizontal supporting rod 43 in the supporting frame, it has two parallel spaced side pieces 35, the length direction of the side pieces is the same with the width direction of the table top 100, two ends of the side pieces 35 are set with inner and outer limit grooves 36, 37 for the limit convex column 34 connected to the movable connecting arm 32 to stop, the side piece edge between the inner and outer limit grooves 36, 37 is processed into circular arc. One end of the movable connecting arm 32 is pivoted on the fixed seat 33, and the other end is connected with the wheel axle of the wheel 31. When the movable connecting arm 32 turns to the inner side, the limiting convex column 34 thereon can be clamped in the inner limiting groove 36 of the fixing seat to be locked, so that the wheel 31 is in a folding state, and if unlocking is required, the movable connecting arm 32 is only needed to be manually operated, so that the limiting convex column 34 is separated from the inner limiting groove 36. Similarly, when the connecting arm 32 is turned to the outside, the limiting protrusion 34 thereon can be locked in the external limiting groove 37 of the fixing base, so that the wheel 31 is in the extended state. Thus, the wheels 31 are locked in the open state after outward rotation or the folding state after inward rotation through the fixed seat 33 and the movable connecting arm 32, the structure is simple, the use is convenient, the design is reasonable, and the folding of the table top plate and the folding of the foot stand unit cannot be influenced. When the table is to be folded and packed, the two wheels 31 are detached from the movable connecting arms 32, and placed in the cavity between the movable panel 1c and the foot rest units 2 to be restrained, and the movable panel 1c is sandwiched between the foot rest units 2, as shown in fig. 17.

Referring to fig. 2 and 5, the pull rod 5 is installed at one side of the length direction of the bottom of the table top, in the embodiment, the pull rod 5 is installed in the middle of the right side of the right main panel 1b, and is arranged in a T shape with the two pulley members 3, and the pull rod 5 can extend out from the bottom of the right main panel 1b along the length direction in a pulling manner (as shown in fig. 5), so that an abdicating notch 11 for pulling out the pull rod is formed on an edge convex edge 16 extending downwards from the middle part of the right side of the right main panel. The pull rod 5 can be realized in different structures, such as a relatively simple telescopic rod-like structure. However, the draw bar 5 shown in the drawing of this embodiment is a draw bar structure of a conventional draw bar box, and mainly includes a pair of draw bar outer tubes 51 fixed at the bottom of the table top, a draw bar telescopic rod 54 is assembled in the draw bar outer tubes, a handle 53 is arranged at the upper end of the draw bar telescopic rod 54, a button 52 is arranged on the handle, and the draw bar telescopic rod 54 is controlled by the button 52 to extend and retract to be positioned. The pull rod is pulled out when the table is used and retracted to the bottom of the table top when the table is not used.

The loading ledges 6 may be one or more, but are typically preferred to meet hanging and storage requirements, preferably two as shown in figure 2 of this embodiment, so as to utilise the area within the foot rest unit neatly without interfering with the foot rest unit. The loading frame 6 is also extended out of the table top 100 by pulling (similarly, the edge protruding edge corresponding to the downward extension of the main panel is provided with an abdicating notch 11 for pulling out the loading frame), as shown in fig. 5, and is locked in the upward state relative to the table top by rotating the loading frame with a rotating mechanism 620, as shown in fig. 10 and 11.

In the present embodiment, the first bearing frame 6a and the second bearing frame 6b are respectively disposed on the left and right main panels 1a and 1b (or may be disposed on the same left main panel), such that in the folded state of the table, the first bearing frame 6a and the pull rod 5 are located on the same side, and the second bearing frame 6b extends from the joint 12 of the left and right main panels (i.e. the gap portion between the joints of the left and right main panels) and is located on the same side as the pulley member 3 below, such that the first bearing frame 6a is suitable for hanging articles such as chairs, and the second bearing frame 6b is suitable for placing articles such as packing boxes, and refrigerators containing food, etc., as shown in fig. 10.

To facilitate the hanging/placing of objects and to provide a good load-bearing strength, the carrying frame 6 may be formed as a U-shaped structure comprising a pair of outer carrying frame tubes 61 fixed to the bottom of the table top, inside which telescopic U-shaped carrying frame telescopic rods 62 are telescopically arranged. The shaft of the telescoping member 62 is provided with a pivoting mechanism 620 by which the telescoping member can be locked in a generally upwardly facing position relative to the table top, although the telescoping member can be designed in other ways and is not limited thereto.

Since the second bearing frame 6b is extended from the butt joint 12, in order not to affect the sliding and extension of the right main panel 1b, one end of the outer tube 61 of the bearing frame is fixed to the lateral support rod 43, and the other end (the non-fixed end 611) is slidably disposed on the limiting seat 18 mounted on the right main panel 1 b. The spacing distance between the two limiting seats 18 is not more than half of the length of the movable panel 1c corresponding to the outer tube 61 of the bearing frame, so that the non-fixed end 611 of the outer tube of the bearing frame can be supported and limited in the corresponding limiting seat 18 corresponding to the extended position and the retracted position of the right main panel 1 b.

As shown in fig. 12-16, the telescopic rod 62 of the loading frame is formed by connecting a split upper rod 621 and two lower rods 622, the upper rod 621 is U-shaped, and two ends of the upper rod 621 are respectively connected to the lower rods 622 through a rotating mechanism 620, wherein the end of the lower rod 622 is flat with two sides flattened, and the outer edge surface 624 sequentially has a vertical plane, a slope and an arc surface along the length direction of the lower rod. The middle of the end of the upper rod 621 is provided with a receiving hole 625, the end of the lower rod is inserted into the receiving hole 625 and connected to the upper rod 621 through a rotating shaft 623, and the rotating shaft 623 and the end structures of the upper and lower rods constitute a rotating mechanism capable of rotationally locking the bearing frame. Thus, when the upper rod 621 is pulled out, the wall surface of the receiving opening of the upper rod opposite to the end of the lower rod is rotated to abut against the vertical plane of the end of the lower rod, and the inclined surface of the upper rod is beneficial to limit the relative rotation of the upper rod and the lower rod, so that the upper rod 621 can be locked in a 90-degree or approximately 90-degree upward state. Only when an external force is applied, the upper rod 621 can rotate along the inclined surface and the arc surface until the upper rod and the lower rod are in a horizontal state, and at the moment, the upper rod 621 can be retracted into the outer tube 61 of the bearing frame. The spacing between the outer tube 61 and the telescopic rod 62 of the loading frame can be realized by a conventional telescopic rod positioning mode, such as a conventional spacing hole arranged on the outer tube and a spacing pin arranged on the telescopic rod, and the spacing is not specifically expanded here.

When the telescopic folding table is unfolded, the wheels 31 on the pulley members 3 are folded at the bottom of the table top 100, and when the table is used, as shown in figures 1 to 5; when the telescopic folding table is folded, the wheels 31 on the pulley members 3 extend out of the table top, and the pull rods 5 are pulled out, so that the table can be pushed or pulled, as shown in fig. 9. If something is to be moved at the same time, the two loading ledges 6 are pulled out and the article is hung or placed on the loading ledges, as is shown in fig. 10. Therefore, the telescopic folding table has multiple purposes, and the table and the objects can be moved easily and laborsavingly.

In addition, the two main panels of the traditional table are buckled and fixed by two plastic chucks after being folded, and the telescopic folding table can be used as a trolley, and objects, such as four chairs, can be placed on the bearing frame to form a set of one table and four chairs, so that one person can finish dragging. Thus, the plastic clip alone is not sufficient to hold the two main panels 1a, 1b together, and the weight of the four chairs is not even possible. To this end, the telescopic folding table is additionally provided with a mechanical structure between the two main panels 1a, 1b, which mechanical structure can adopt a locking mechanism (the left main panel 1a is not shown) as shown in fig. 11 and 17. The locking mechanism is arranged at the position adjacent to the abdicating notch 11 and mainly comprises a lock catch 72 and a lock column 71, and a clamping groove is arranged on the lock catch 72 and can be used for clamping the lock column 71; the lock catch 72 is hinged on the lock catch seat 73 and can rotate, and the lock catch seat 73 is fixed on the right main panel 1b through a screw; the lock cylinder 71 is provided on the left main panel 1a and may be directly riveted to the crosspiece of the first carrier 6 a. When in operation, the lock catch 72 is pulled by hand to complete locking or unlocking, the operation is convenient, so the locking mechanism can firmly lock the two main panels 1a and 1b, the trouble that the two main panels 1a and 1b are easy to take off after bearing objects is solved, and the locking mechanism is not exposed at the edge of the table and does not influence the aesthetic property of the table. In addition, when the retractable folding table is packed and transported, the movable panel 1c and the two wheels 31 can be locked in the two main panels 1a and 1b by the locking mechanism and fixed without falling out, as shown in fig. 19. However, the above is only one preferred embodiment of the locking mechanism, and the locking mechanism can be modified in structure without being limited thereto.

Although preferred embodiments of the present invention have been described in detail hereinabove, it should be clearly understood that modifications and variations of the present invention are possible to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A telescopic folding table, comprising:

a table top (100) comprising two main panels (1a, 1b) which are butted;

the table frame (200) comprises a supporting frame (4) and a foldable foot rest unit (2) connected with the supporting frame (4), wherein the supporting frame (4) is provided with a pivoting device (41), a longitudinal supporting rod piece (42) and a transverse supporting rod piece (43);

the supporting frame (4) can be folded around a pivoting shaft (411) of the pivoting device (41) and can be used for connecting two butted main panels (1a and 1b) to realize folding; the method is characterized in that:

the table top board (100) also comprises a movable panel (1c) which can be arranged between the two main panels (1a, 1b), the two main panels (1a, 1b) can respectively slide back and forth along the length direction of the table top board (100) through a sliding mechanism between the two main panels and the supporting frame (4), and a neutral position (10) which can just contain the movable panel (1c) can be formed.

2. A telescopic folding table according to claim 1, wherein: the sliding mechanism comprises a sliding rail (8) fixed with the main panels (1a and 1b), the sliding rail (8) is in sliding fit with the longitudinal support rod piece (42), a sliding groove (81) arranged along the length direction is formed in the sliding rail (8), and a pin blocking piece (9) connected with the longitudinal support rod piece (42) is arranged in the sliding groove (81).

3. A telescopic folding table according to claim 1, wherein: the two main panels (1a, 1b) and the movable panel (1c) are hollow blow molding panels, grooves (14) and lugs (13) which are distributed at intervals are formed on the butt joint surfaces of the movable panel (1c) and the two main panels (1a, 1b), after the movable panel (1c) is in butt joint with the two main panels (1a, 1b), the lugs (13) on the movable panel (1c) are embedded with the grooves (14) on the main panels, and the grooves (14) on the movable panel (1c) are embedded with the lugs (13) on the main panels.

4. A telescopic folding table according to claim 2, wherein: the sliding grooves (81) are two or more, are arranged on the sliding rail (8) at intervals, and the length of each sliding groove (81) is not less than one half of the length of the movable panel (1 c).

5. A telescopic folding table according to claim 2, wherein: the longitudinal support rod piece (42) is a hollow pipe fitting; the sliding rail (8) is a strip-shaped plate, is arranged between the longitudinal support rod piece (42) and the side parts of the main panels (1a and 1b), and can slide back and forth relative to the longitudinal support rod piece (42) along with the main panels (1a and 1 b).

6. A telescopic folding table according to claim 1, wherein: the bottom of the movable panel (1c) is provided with a clamping piece (17) which can be clamped on the foot rest unit; the corner of at least one of the two main panels (1a, 1b) is provided with a jack (15), and the jack (15) is provided with a plug cover.

7. A telescopic folding table according to any one of claims 1 to 6, wherein: this flexible folding table still includes:

the two pulley pieces (3) are arranged at the bottom of the table top board (100) in a foldable mode at intervals, and the wheels (31) of the pulley pieces (3) are folded at the bottom of the table top board (100) under the unfolding state of the folding table; when the folding table is in a folding state, the wheels (31) of the pulley piece (3) extend out of the table top plate (100) and can be contacted with the ground;

the pull rod (5) is arranged at the bottom of the desktop plate (100) and arranged in a T shape with the two pulley pieces (3), and the pull rod can extend out of the desktop plate (100) in a drawing mode.

8. A telescopic folding table according to claim 7, wherein: this flexible folding table still includes:

the bearing frame (6) is provided with at least one bearing frame, is arranged at the bottom of the table top board (100), can enable the bearing frame (6) to extend out of the table top board (100) in a drawing mode, and is rotationally locked in a state of being capable of erecting objects through a rotating mechanism (620).

9. A telescopic folding table according to claim 8, wherein: a locking mechanism which can be locked together after being folded is also arranged between the two main panels (1a, 1b) of the table panel (100).

10. A telescopic folding table according to claim 7, wherein: the two pulley pieces (3) are arranged at two sides of the width direction of the bottom of the table top plate (100) and are adjacent to the joint (12) of the two main panels; correspondingly, the pull rod (5) is arranged in the middle of one side of the length direction of the bottom of the table top board (100), and the pull rod (5) can extend out of one side of the table top board (100) along the length direction in a drawing mode.

11. A telescopic folding table according to claim 9, wherein:

the two bearing frames (6) comprise a first bearing frame (6a) and a second bearing frame (6b), in the folding state of the folding table, the first bearing frame (6a) and the pull rod (5) are positioned at the same side and locked in the upward state relative to the table top (100) through the rotating mechanism (620), and the second bearing frame (6b) extends out of the butt joint part (12) of the two main panels and is also locked in the upward state relative to the table top (100) through the rotating mechanism (620);

the side part of the table top plate (100) is provided with an abdicating notch (11) for the first bearing frame (6a) and the pull rod (5) to extend out respectively.

12. A telescopic folding table according to claim 7, wherein: the pulley piece (3) comprises a wheel (31), a movable connecting arm (32) and a fixed seat (33), one end of the movable connecting arm (32) is pivoted on the fixed seat (33), and the other end of the movable connecting arm is connected with the wheel (31); the fixing seat (33) is integrally arranged on the transverse supporting rod piece (43) of the supporting frame, the fixing seat (33) is provided with two side pieces (35) which are parallel and spaced, the length direction of the side pieces is consistent with the width direction of the table top board (100), two ends of each side piece are respectively provided with an inner limiting groove (36) and an outer limiting groove (37) which can be used for clamping a limiting convex column (34) connected to the movable connecting arm (32), and the edge of the side piece between the inner limiting groove (36) and the outer limiting groove (37) is processed into an arc shape.

13. A telescopic folding table according to claim 11, wherein: the locking mechanism is arranged at the position adjacent to the abdicating notch (11) and comprises a lock catch (72) and a lock column (71) which are respectively arranged on the two main panels (1a and 1b) and can be mutually locked, wherein the lock catch (72) is arranged in a rotatable way.

14. A telescopic folding table according to claim 7, wherein: the pull rod (55) adopts a pull rod structure of a conventional pull rod box and comprises a pair of pull rod outer tubes (51) fixed at the bottom of the table top plate, a pull rod telescopic rod (54) is assembled in each pull rod outer tube, a handle (53) is arranged at the upper end of each pull rod telescopic rod, a button (52) is arranged on each handle, and the button (52) controls the telescopic positioning of the pull rod telescopic rods (54).

15. A telescopic folding table according to claim 11, wherein:

the first bearing frame (6a) and the second bearing frame (6b) are both in U-shaped structures and comprise a pair of parallel bearing frame outer tubes (61), and telescopic positioning bearing frame telescopic rods (62) are assembled in the bearing frame outer tubes (61); the telescopic rod (62) of the bearing frame is U-shaped, and the rod body of the telescopic rod is provided with the rotating mechanism (620);

one end of the bearing frame outer tube (61) of the second bearing frame (6b) is fixed with the transverse supporting rod piece (43), and the other end of the bearing frame outer tube is arranged on the limiting seat (18) arranged on the main panel in a sliding manner; the distance between the two limiting seats (18) does not exceed one half of the length of the movable panel (1 c).

16. A telescopic folding table according to claim 15, wherein: the telescopic rod (62) of the bearing frame is formed by connecting a split upper rod (621) and two lower rods (622), the upper rod (621) is U-shaped, two ends of the upper rod (621) are respectively connected with the lower rods (622) through the rotating mechanism (620), the end parts of the lower rods (622) are flat after two sides are flattened, outer edge surfaces (624) sequentially comprise vertical planes, inclined planes and arc surfaces along the length direction of the lower rods, correspondingly, an accommodating port (625) is formed in the middle of the end part of the upper rod (621), the end parts of the lower rods (622) are inserted into the accommodating port (625) and are connected through a rotating shaft (623), and the rotating mechanism (620) capable of rotationally locking the bearing frame is formed by end structures of the rotating shaft (623) and the upper and lower rods (621 and 622).