CN201431121Y

CN201431121Y - Foldable table with adjustable tabletop angles

Info

Publication number: CN201431121Y
Application number: CN200920138239XU
Authority: CN
Inventors: 何芳钏; 何庆星; 何庆凰; 何淑嘉
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-05-07
Filing date: 2009-05-07
Publication date: 2010-03-31
Anticipated expiration: 2019-05-07

Abstract

The utility model discloses a foldable table with adjustable tabletop angles, which comprises a base, two parallel bracing bars, two downward bending bar groups, two upwards bending bar groups and tworegulating seats. The bracing bars are pivotally connected to the same side of the base, each downwards bending group consists of a first main bending bar and a first auxiliary bending bar, wherein the top end of the first main bending bar is pivotally connected to a middle portion of each bracing bar, the first auxiliary bending bar is pivotally connected to the bottom end of the first main bending bar and the other side of the base, and a first toggle joint is formed at the pivoted joint of the first main bending bar and the first auxiliary bending bar. Each upwards bending group consists of a second main bending bar, a second auxiliary bending bar and a positioning bar, wherein the bottom end of the second main bending bar is concentrically pivoted to the middle section of each bracingbar and top ends of the two first main bending bar, the second auxiliary bending bar is pivotally connected to the top end of the second main bending bar, and the positioning bar is crossed at the top ends of the two second auxiliary bending bars. The two regulating seats are mounted on the bottom surface on the other side of the tabletop at an interval, each regulating seat is provided with a transverse slide slot capable of being penetrated with each positioning bar, and a plurality of fastening cavities for being embedded with the positioning bars are concavely arranged on the top surfacesof the slide slots at intervals. By aid of the structure, an oblique angle of the tabletop of the foldable table can be regulated according to actual using requirements.

Description

Can adjust the folding table of desktop angle

Technical field

The utility model relates to a kind of visual actual user demand and reaches the folding table structure of adjusting the desktop angle of inclination easily.

Background technology

Accompanying drawing in the TaiWan, China M352929 patent case has disclosed a kind of folding table that is seen everywhere, and this folding table can adopt the collection mode of amounting to when not using, have the advantage that does not take up space really; But, it also can't satisfy user's demand, for instance, desktop is often because its set angle, and makes the user must go to condescend to take this post it, thus, the desktop of this set angle does not obviously just meet current actual demand, and its inconvenience is arranged, therefore, the folding table that how to provide a kind of desktop can adjust angle according to demand becomes numerous users' ardent hope.

The utility model content

The purpose of this utility model is to provide a kind of folding table of adjusting the desktop angle, and it can adjust the desktop angle of inclination easily according to actual user demand.

In order to reach above-mentioned purpose, solution of the present utility model is:

A kind of folding table of adjusting the desktop angle comprises the parallel mutually strut of a base, two, two times pole groups, two upper fold rod groups and two adjustment seats; The strut pivot is connected in the base homonymy, and the top pivot of two struts is connected in the bottom surface of a table one side; The first main pole, the pivot that two times pole groups that two struts are positioned to the angle of inclination are connected in two strut stage casings by a top pivot respectively is connected in the first secondary pole of the first main pole bottom and base opposite side to be formed, and this first main pole and the first secondary pole pivot connect the place and also form the toggle that can amount to towards the strut direction; The second secondary pole, one that the second main pole, the pivot that two upper fold rod groups are connected in strut stage casing and 2 first main pole tops by the concentric pivot in a bottom respectively is connected in the second main pole top is across the backstay on 2 second secondary pole tops to be formed, and forms the toggle that can amount to towards the strut direction at the second main pole and the second secondary pole pivot place of company; A two adjustment compartment of terrain are installed on table side bottom surface in addition, have the horizontal concrete chute that can supply backstay to penetrate, and upwards are concaved with a plurality of for the clip caves of backstays embedding with adjustment desktop angle of inclination in chute end face compartment of terrain.

Above-mentioned two times pole groups in 2 first main pole bottoms and 2 first secondary pole apical margins wear pivot across ground operating bar once arranged; Two upper fold rod groups are then worn pivot in 2 second main pole top edges and 2 second secondary pole bottoms across ground operating bar on.

The above-mentioned first secondary pole is equipped with first catch in following operating bar upper outer, the first main pole then has the first corresponding with it retaining groove, at the first main pole, when the first secondary pole is a straight line, its first catch, first retaining groove are eaten mutually and are closed, and form the slow-witted chain structure of three connecting rods; But down operating bar is when the strut direction moves when compacting, and its first catch is then deviate from the restriction of first retaining groove, so that the first main pole, the first secondary pole pivot place of company form the toggle that can amount to towards the strut direction.

Second catch is equipped with in above-mentioned second main pole inboard above last operating bar, the second secondary pole then has the second corresponding with it retaining groove, at the second main pole, when the second secondary pole is a straight line, its second catch, second retaining groove are eaten mutually and are closed, and form the slow-witted chain structure of three connecting rods; But when lifting table side in addition, and compacting is gone up operating bar when the strut direction moves, its backstay just can be moved to chute the inner, and second catch is then deviate from the restriction of second retaining groove, so that the second main pole, the second secondary pole pivot place of company form the toggle that can amount to towards the strut direction.

Above-mentioned two strut apical margin cross-over connections have a cross bar.

Four corners, the bottom surface of above-mentioned base are separately installed with leg, and this base is respectively equipped with down the pivot seat in homonymy two corners, and two strut bottoms then are arranged in the corresponding pivot seat down with the lower shaft bolt, and making base, two struts is that middle heart is amounted to this lower shaft bolt.

Pivot is connected in a upper driven base through last axle bolt respectively on above-mentioned two strut tops, and this upper driven base end face then is provided with a seat board, and base plate is locked in bottom surface one side of table through bolt, and making table, two struts is that middle heart is amounted to an axle bolt on this.

After adopting said structure, the utility model is by connecting two mutual parallel struts at the base pivot, the top pivot of two struts is connected in a table bottom surface, and the one following pole group that two struts can be positioned to the angle of inclination is installed at base, this down the pole group first main pole, pivot of being connected in the strut stage casing by a top pivot first secondary pole of being connected in the first main pole bottom and base opposite side forms and first toggle that the first main pole and the first secondary pole pivot is connected locate formation one to amount to towards the strut direction; Also between two struts and desktop, be separately installed with the upper fold rod group in addition, the second secondary pole, one that the second main pole, the pivot that this upper fold rod group is connected in the strut stage casing and the first main pole top by the concentric pivot in a bottom is connected in the second main pole top is across the backstay on 2 second secondary pole tops to be formed, and makes the second main pole and the second secondary pole pivot place of company form second toggle that can amount to towards the strut direction; In addition, the table bottom surface also is provided with two and adjusts seat, this adjustment seat has the chute that can supply backstay to penetrate, and upwards be concaved with some clip caves that embed for backstay in chute end face compartment of terrain, so that embed the change in location in clip cave and adjust the angle of inclination of desktop by backstay, satisfy various user demands.

Description of drawings

Fig. 1 is a decomposing schematic representation of the present utility model;

Fig. 2 is a three-dimensional combination schematic diagram of the present utility model;

Fig. 3 is a combination front elevational schematic of the present utility model;

Fig. 4 is a combination schematic side view of the present utility model;

Fig. 5 is the schematic side view after the utility model is adjusted the desktop angle;

Fig. 6 is the application of force schematic diagram of the utility model operation upper fold rod group doubling;

Fig. 7 is the action schematic diagram of the utility model upper fold rod group doubling;

Fig. 8 is the utility model operation application of force schematic diagram of pole group doubling down;

Fig. 9 is the action schematic diagram of pole group doubling under the utility model.

[main element symbol description]

12 times pivot seats of 10 bases, 11 legs

21 struts, 22 cross bars, 23 lower shaft bolts

Axle bolt 25 upper driven bases 26 seat boards on 24

40 times pole groups of 27 bolts, 30 tables

41 first main pole 411 first retaining grooves 42 first secondary poles

43 times operating bars of 421 first catch, 50 upper fold rod groups

Operating bar on 51 second main pole 511 second catch 52

53 second secondary pole 531 second retaining grooves 54 backstays

60 adjust seat 61 chutes 62 clip caves

The specific embodiment

See also Fig. 1 to shown in Figure 4, the utility model includes a base 10, two struts 21, two times pole groups 40, two upper fold rod groups 50 and two and adjusts seat 60.

Four limits of base 10 surround with four frame bars, and four corners of its bottom surface are separately installed with leg 11, in order to base 10 level frames are supportted on ground, this base 10 in homonymy two corners respectively solid welding the following pivot seat 12 of U-shaped is arranged.

Two struts 21 are parallel to each other, and its top is with a cross bar 22 cross-over connections, and the bottom then is arranged in the corresponding pivot seat 12 down with lower shaft bolt 23, so that base 10, two struts 21 can be that amount at the center with this lower shaft bolt 23; Also pivot is connected in a upper driven base 25 through last axle bolt 24 respectively on the top of two struts 21, the end face of this upper driven base 25 then welds and is provided with a seat board 26, table 30, two struts 21 make seat board 26 can see through bolt 27 and be locked in bottom surface one side of table 30, so that can be that amount at the center with a bolt 24 this on.

Two times pole group 40 correspondences are assembled between two struts 21 and base 10 opposite sides, its the first main pole 41, bottom pivot that is connected in strut 21 stage casings by a top pivot respectively is connected in the first secondary pole 42, of base 10 opposite sides to be formed in the following operating bar 43 of 2 first main pole 41 bottoms and 2 first secondary pole 42 apical margins across wearing pivot, so that two times pole groups 40, two struts, 21 Lower Halves, bases 10 can form an isoceles triangle shape with four connecting rod constrained chain structures; The described first secondary pole 42 is equipped with first catch 421 in following operating bar 43 upper outer, the first main pole 41 then has the first corresponding with it retaining groove 411, make at the first main pole 41, when the first secondary pole 42 is a straight line, its first catch 421, first retaining groove 411 can be meshing with each other, make it to form the slow-witted chain structure of three connecting rods, in order to reach effect with strut 21 location, please cooperate Fig. 8 and shown in Figure 9, but when the user suppresses down operating bar 43 levels when strut 21 directions move, 421 restrictions that can deviate from first retaining groove 411 of its first catch are so that the first main pole 41, first secondary pole 42 pivots place of company forms first toggle that can amount to towards strut 21 directions.

Two upper fold rod groups, 50 correspondences are assembled between two struts 21 and table 30 opposite sides, it is connected in the backstay 54 that the second secondary pole 53, of going up operating bar 52 is across 2 second secondary poles, 53 tops and forms across wearing last operating bar 52, the bottom pivot of pivot in 2 second main pole 51 top edges by the second main pole 51, that the concentric pivot in a bottom is connected in strut stage casing and the first main pole, 41 tops respectively, so that two upper fold rod groups 50, two struts, 21 first halves, table 30 can form an isoceles triangle shape with four connecting rod constrained chain structures; Second catch 511 is equipped with in the described second main pole 51 inboard above last operating bar 52, the second secondary pole 53 then has the second corresponding with it retaining groove 531, make when second main pole 51, the second secondary pole 53 is a straight line, its second catch 511, second retaining groove 531 can be eaten mutually and close, make it to form the slow-witted chain structure of three connecting rods, in order to reach effect with the support of table 30 level frames.

Two adjust seat 60 compartment of terrains is locked on table 30 opposite side bottom surfaces, and have a horizontal concrete chute 61 that can penetrate for backstay 54, and the clip cave 62 that upwards is concaved with a plurality of wide-mouth shapes in chute 61 end face compartment of terrains, please cooperate Fig. 4 and shown in Figure 5, when the user lifts on table 30 opposite sides, its backstay 54 can be along chute 61 displacements, so that this table 30 can be adjusted the desktop angle of inclination for the center by above axle bolt 24, to be adjusted during to the appropriate location, the user can discharge table 30, make the gravity of table 30 utilizations own and make backstay 54 embed location in the corresponding clip cave 62, make desktop can finish the adjustment of angle according to demands of individuals, at this of particular note, the utility model is in course of adjustment, only need to finish, so when adjusting the angle of inclination of desktop, have operability quite easily really by lifting or discharging table 30 opposite sides.

Please cooperate Figure 6 and Figure 7, when the user lifts table 30 opposite sides, and compacting is gone up operating bar 52 levels when strut 21 directions move, its backstay 54 just can be moved to the inner of chute 61, catch 511 then can be deviate from the restriction of retaining groove 531, so that the second main pole, 51, the second secondary pole 53 pivots place of company forms second toggle that can amount to towards strut 21 directions, thereby cooperate pole group 40 doublings down between strut 21 Lower Halves and base 10, so that when not using, can reach the characteristics that do not take up space that fold.

Previous embodiment only is the utility model illustration, can not limit protection domain of the present utility model with this, and is every according to the technological thought that the utility model proposes, and any change of being done on the technical scheme basis all falls within the utility model protection domain.

Claims

1, a kind of folding table of adjusting the desktop angle is characterized in that: comprise the parallel mutually strut of a base, two, two times pole groups, two upper fold rod groups and two adjustment seats;

The strut pivot is connected in the base homonymy, and the top pivot of two struts is connected in the bottom surface of a table one side;

The first main pole, the pivot that two times pole groups that two struts are positioned to the angle of inclination are connected in two strut stage casings by a top pivot respectively is connected in the first secondary pole of the first main pole bottom and base opposite side to be formed, and this first main pole and the first secondary pole pivot connect the place and also form first toggle that can amount to towards the strut direction;

The second secondary pole, one that the second main pole, the pivot that two upper fold rod groups are connected in strut stage casing and 2 first main pole tops by the concentric pivot in a bottom respectively is connected in the second main pole top is across the backstay on 2 second secondary pole tops to be formed, and forms second toggle that can amount to towards the strut direction at the second main pole and the second secondary pole pivot place of company;

A two adjustment compartment of terrain are installed on table side bottom surface in addition, have the horizontal concrete chute that can supply backstay to penetrate, and upwards are concaved with a plurality of for the clip caves of backstays embedding with adjustment desktop angle of inclination in chute end face compartment of terrain.

2, the folding table of adjusting the desktop angle as claimed in claim 1 is characterized in that: described two times pole groups in 2 first main pole bottoms and 2 first secondary pole apical margins wear pivot across ground operating bar once arranged; Two upper fold rod groups are then worn pivot in 2 second main pole top edges and 2 second secondary pole bottoms across ground operating bar on.

3, the folding table of adjusting the desktop angle as claimed in claim 2, it is characterized in that: the described first secondary pole is equipped with first catch in following operating bar upper outer, the first main pole then has the first corresponding with it retaining groove, at the first main pole, when the first secondary pole is a straight line, its first catch, first retaining groove are eaten mutually and are closed, and form the slow-witted chain structure of three connecting rods; But down operating bar is when the strut direction moves when compacting, and its first catch is then deviate from the restriction of first retaining groove, so that the first main pole, the first secondary pole pivot place of company form first toggle that can amount to towards the strut direction.

4, the folding table of adjusting the desktop angle as claimed in claim 2, it is characterized in that: second catch is equipped with in described second main pole inboard above last operating bar, the second secondary pole then has the second corresponding with it retaining groove, at the second main pole, when the second secondary pole is a straight line, its second catch, second retaining groove are eaten mutually and are closed, and form the slow-witted chain structure of three connecting rods; But when lifting table side in addition, and compacting is gone up operating bar when the strut direction moves, its backstay just can be moved to chute the inner, and second catch is then deviate from the restriction of second retaining groove, so that the second main pole, the second secondary pole pivot place of company form second toggle that can amount to towards the strut direction.

5, as claim 2, the 3 or 4 described folding tables of adjusting the desktop angle, it is characterized in that: described two strut apical margin cross-over connections have a cross bar.

6, as claim 2, the 3 or 4 described folding tables of adjusting the desktop angle, it is characterized in that: four corners, the bottom surface of described base are separately installed with leg, this base is respectively equipped with down the pivot seat in homonymy two corners, two strut bottoms then are arranged in the corresponding pivot seat down with the lower shaft bolt, and making base, two struts is that middle heart is amounted to this lower shaft bolt.

7, as claim 2, the 3 or 4 described folding tables of adjusting the desktop angle, it is characterized in that: pivot is connected in a upper driven base through last axle bolt respectively on described two strut tops, this upper driven base end face then is provided with a seat board, base plate is locked in bottom surface one side of table through bolt, making table, two struts is that middle heart is amounted to an axle bolt on this.