CN206534291U - Folding retractable device - Google Patents

Abstract

The utility model discloses the first mounting bracket and the second mounting bracket that a kind of folding retractable device includes foldable assembly, is set with the foldable assembly two ends and can slide relatively；Two mounting bracket offers pulley groove on one side or opposite sides face respectively；The foldable assembly includes connector and is pinned at first folded piece and the second folded piece at the connector two ends respectively；Two folded piece all include hollow structure, the slide block device in the hollow structure, the shifting chute on the hollow structure one side or opposite sides face and outside the hollow structure and by pulley spindle through the shifting chute and the pulley affixed with the slide block device；The pulley is placed on the pulley groove and simultaneously by the effect of the pulley groove and shifting chute to limit movement travel.It ensure that synchronization telescope and the folding at two ends, it is to avoid have while the lower folding delayed flexible phenomenon in another side.

Description

Folding retractable device

【Technical field】

The utility model is related to table, more particularly to a kind of folding retractable device.

【Background technology】

Nowadays population pressure is increasing, and people occupy that residence is less and less, and deficiency often occurs in living space, because This, is badly in need of a kind of folding retractable device to improve space availability ratio that can be used on desk.

Existing flexible dinner table and desk on the market, have telescopic rail type also has upper fold-type, only either which kind of The space that the table that form is present can be saved is all little, the space for also needing to take desktop of upper fold-type.In the prior art, desk Space occupancy rate it is high and have ignored savable space, complicated, desk body heaviness is also a great problem, and folding process It is also obstructed, also occur the phenomenon of two ends burst Asynchrony in addition, folding process is not easy to operate, and significantly reducing makes The experience of user.

【Utility model content】

The purpose of this utility model is to provide a kind of foldable assembly, folding retractable device and lower folding table above-mentioned to solve The space occupancy rate is high, baroque any one problem.

To realize the purpose, the utility model is adopted the following technical scheme that：

A kind of foldable assembly, including connector and the first folded piece and the second folding that are pinned at the connector two ends respectively Overlapping piece；The connector include shell and the first balance staff and the second balance staff located at the enclosure, two balance staff it is opposite End is provided with intermeshing one end for being used for the remote grinding tooth on the grinding tooth that realization is synchronized with the movement, two balance staff respectively by even Pin is fixedly connected with corresponding folded piece；The shell, which is provided with to coordinate for the connecting pin, inserts and limits correspondence connection Sell the guide groove of movement travel.

Specifically, first balance staff and the second balance staff offer balance staff groove, are placed in the balance staff groove and can phase respectively To the balance staff spring of the balance staff sliding block and active force of slip between the balance staff sliding block and balance staff groove.

The utility model also provides a kind of folding retractable device, including foldable assembly described above, is set with the folding The first folded piece and the second folded piece of stacked group part simultaneously can relative the first mounting brackets and the second mounting bracket slided；Two mounting bracket Respectively guide groove is offered on one side or opposite sides face；First folded piece and the second folded piece all include hollow knot Structure, the slide block device in the hollow structure, the shifting chute on the hollow structure one side or opposite sides face And through the shifting chute and the pulley affixed with the slide block device outside the hollow structure and by pulley spindle；It is described Pulley is placed on the guide groove and simultaneously by the effect of the pulley groove and shifting chute to limit movement travel.

It is preferred that, the hollow structure includes the sliding block spring being placed in the hollow structure, the sliding block spring active force Between the hollow structure madial wall and the slide block device.

Specifically, the hollow structure, which also includes being placed in the hollow structure, is used for the back box for placing the slide block device, It is relative to slide between the madial wall and slide block device of the back box.

Specifically, the back box includes the sliding block spring being placed in the back box；The sliding block spring acts on the back box Inwall and the slide block device.

Optionally, first folded piece and the second folded piece all also include and holding that the hollow structure fixes as one Connect block；It is described accept block by the connecting pin respectively with the two balance staffs pin joint and be respectively acting on two balance staff balance staff slide Block.

The utility model also provides a kind of lower folding table, including folding retractable device described above and respectively with the folding Retractor device two ends are affixed and the two vertical supporting structures that play a supportive role.

Optionally, the two vertical supportings structure includes being fixed on the fixed plate in plane and in can phase in the plane respectively To the mobile cabinet of slip；The mobile cabinet includes the mobile pulley for being opened in bottom.

Specifically, the mobile cabinet includes the main table plate being installed on the mobile cabinet；The main table plate is included beyond described Mobile cabinet and the edge plate extended outward, the folding retractable device be in folded state under, the edge plate along side with Fit to hide the folding retractable device in the side surface of the fixed plate.

Specifically, the folding retractable device includes long folded sheet and short folded sheet；The long folded sheet is placed in the folding On first mounting bracket of folded retractor device, the short folded sheet is placed on the second mounting bracket of the folding retractable device；It is described The length differed between long folded sheet and short folded sheet is equal to the length of the edge plate.

Optionally, the first mounting bracket of the folding retractable device connects institute in the opposite end for being set with first folded piece Mobile cabinet is stated, second mounting bracket connects the fixed plate in the opposite end for being set with second folded piece.

It is other, fixed seat that the opposite end that first mounting bracket is set with first folded piece is set and described the Two mounting brackets are set with the mounting seat that the opposite end of second folded piece is set.

Compared with prior art, the utility model possesses following advantage：

Generally speaking, the folding retractable device of the present utility model is applied in folding table, by using folding retractable Device and two vertical supporting structures, under the fixation of a vertical supporting structure, pass through the position of another mobile vertical supporting structure Put and the effect for changing desktop area can be achieved, additionally by pulling open the folding retractable device, you can folded the folding and stretched Compression apparatus, makes full use of the idle space below desktop so that the folding retractable device is perfectly hidden in table bottom, structure letter It is single, farthest improve the usage experience of user.

Other, the foldable assembly in the folding retractable device ensure that synchronization telescope and the folding at desktop two ends, keep away Exempt to have while the lower folding delayed flexible phenomenon in another side.The first folded piece, the second folded piece and connection wherein in foldable assembly Part has limited bit function after action in place, enables both sides desktop precision maneuver in place and spacing.

In summary, folding retractable device described in the utility model is applied in lower folding table, utilizes the folding retractable Device is avoided while the lower folding delayed flexible phenomenon in another side, makes have energy precision maneuver in place and spacing function, fully Utilize the idle space below desktop so that the folding retractable device is perfectly hidden in table bottom, simple in construction, farthest Improve the usage experience of user.

【Brief description of the drawings】

The above-mentioned and/or additional aspect of the utility model and advantage from the following description of the accompanying drawings of embodiments will Become substantially and be readily appreciated that, wherein：

Fig. 1 is overall structure diagram of the lower folding table of the present utility model in folding process；

Fig. 2 is the part-structure schematic diagram of folding retractable device in lower folding table of the present utility model；

Fig. 3 is the structural representation of the first folded piece, the second folded piece and connector in lower folding table of the present utility model；

Fig. 4 is that the anatomy structure of the first folded piece, the second folded piece and connector in lower folding table of the present utility model is shown It is intended to；

Fig. 5 is that the part of the first folded piece in lower folding table of the present utility model dissects structural representation；

Fig. 6 spreads structural representation out for the transversal of the first folded piece in lower folding table of the present utility model；

Fig. 7 is the configuration state figure of lower folding table of the present utility model before folding；

Fig. 8 is configuration state figure of the lower folding table of the present utility model when foldable assembly opens；

Fig. 9 is the configuration state figure of lower folding table of the present utility model after folding.

Reference numerals list：

1-mobile cabinet；2-fixed plate；3-folding retractable device；

11-main table plate；12-mobile pulley；111-edge plate；

31-foldable assembly；The mounting brackets of 32a-first；The mounting brackets of 32b second；36-folded sheet；37-connecting pin； The folded pieces of 311a-first；The folded pieces of 311b-second；312-connector；313-the first balance staff；314-the second balance staff； 321-pulley groove；322-fixed seat；323-mounting seat；324-contiguous block；First support bar -325；Second support bar 326；361-long folded sheet；362-short folded sheet；

3111-accept block；3112-hollow structure；3121-guide groove；3131-balance staff spring；3132-balance staff is slided Block；

4000-slide block device；4001-pulley spindle；4002-pulley；4003-sliding block spring；4004-shifting chute.

【Embodiment】

The utility model is further described with exemplary embodiment below in conjunction with the accompanying drawings, it should be understood that following specific realities The mode of applying is merely to illustrate the utility model rather than limits scope of the present utility model.Wherein identical label is complete in accompanying drawing Portion refers to identical part.

In addition, if it is known that the detailed description of technology is for showing that feature of the present utility model is unnecessary, then by it Omit.It should be noted that below in description the word "front", "rear", "left", "right", the "up" and "down" that use refer to it is attached Direction in figure, word " interior " and " outer " are referred respectively to towards or away from the direction of particular elements geometric center.

It should be noted that folding retractable device described in the utility model is applied in lower folding table, it can also be applied to In physical objects in other field, the utility model will be illustrated in lower folding table with applying below.

Overall structure diagram of the lower folding table in folding process shown in reference picture 1, the one of the utility model offer Folding table under kind, including folding retractable device 3 and the vertical supporting played a supportive role located at the two ends of folding retractable device 3 Structure.

It is preferred that, in the utility model embodiment, the vertical supporting structure includes fixed in the fixation in plane Plate 2 and can be in the mobile cabinet 1 relatively moved in plane, the mobile cabinet is located at the mobile pulley 12 of the bottom of mobile cabinet 1.

In the utility model embodiment, the mobile cabinet 1 can be replaced by any one moveable device, for example：Can Mobile plate, moveable upper end open up reeded cylinder, moveable chair etc.；

Specifically, in the utility model embodiment, the mobile cabinet 1 includes the main table plate 11 being placed on the mobile cabinet 1, The main table plate 11 includes the edge plate 111 stretched out, and the folding retractable device 3 is under folded state, the edge Plate 111 along side fitted with the surface of the fixed plate 2 with hide the folding retractable device 3.

Specifically, in the utility model embodiment, the folding retractable device 3 includes long folded sheet 361 and short folded sheet 362；The long folded sheet 361 is placed on the first mounting bracket 32a of the folding retractable device 3, and the short folded sheet 362 is placed in On second mounting bracket 32b of the folding retractable device 3；The length differed between the long folded sheet 361 and short folded sheet 362 Equal to the length of the edge plate 111, the idle space below desktop is made full use of so that the folding retractable device 3 is perfect It is hidden in table bottom.

Optionally, in the utility model embodiment, the mobile pulley 12 is by external force and then causes the mobile cabinet 1 Can planar slide, main function is make it that the movement of mobile cabinet 1 is more convenient, and then promotes the folding retractable device 3 Folding and flexible.Under the fixation of the one end of fixed plate 2, it can be achieved to change desktop area by changing the position of mobile cabinet 1 Effect, additionally by pulling open the folding retractable device 3, you can folded the folding retractable device 3, make full use of desktop with Under idle space so that the folding retractable device 3 is perfectly hidden in table bottom, and simple in construction, farthest improving makes The usage experience of user.

Optionally, in the utility model embodiment, the vertical supporting structure, which may have, three kinds of situations：One kind is bag Include and be arranged at the fixed fixed plate in horizontal plane at the two ends of folding retractable device 3 and can with respect to the horizontal plane move Movable plate；A kind of is to include setting the fixed fixed cabinet at the two ends of folding retractable device 3 and moveable mobile Cabinet；Another is to include being arranged at the fixed fixed cabinet at the two ends of folding retractable device 3 and moveable mobile Plate.

In reference picture 2, the utility model embodiment, a kind of folding retractable device 3, including foldable assembly 31, be set with On the foldable assembly 31 and can relative the first mounting bracket 32a and the second mounting bracket 32b slided；Two mounting bracket is respectively one Pulley groove 321 is offered on side or opposite sides face；

Specifically, in the utility model embodiment, the first mounting bracket 32a includes being connected on the mobile cabinet 1 Fixed seat 322, the first support bar 325 by the pin joint of contiguous block 324；The second mounting bracket 32b is described solid including being connected to Mounting seat 323 in fixed board 2 and the second support bar 326 with the pin joint of mounting seat 323；Wherein, the first support bar 325 It is set in second support bar 326 on the foldable assembly 31.

Optionally, in the utility model embodiment, it is outwards same respectively that the fixed seat 322 and mounting seat 323 include two ends To the Extendible flake vertically extended, the mounting hole for being fixedly connected is offered on the Extendible flake, is realized by the mounting hole The mounting seat 323 and the connection of contiguous block 324.In addition, the contiguous block 324 is relative what is be connected with the mounting seat 323 End offers pin joint hole and using the pin joint hole and the pin joint of first support bar 325, also has plenty of same by the Extendible flake Sample realizes the connection of the fixed seat 322 and second support bar 326.

Other, lower folding table described in the utility model is on the basis of the fixed plate 2 is fixed, by pulling open The mobile cabinet 1, the folding retractable device 3 is stretched, and is reached after the stretching limit of the folding retractable device 3 and by the folding After the plan-position of folded retractor device 3 is limited, the mobile cabinet 1 is pushed forward so that the foldable assembly 31 is by described two Work is stretched in mounting bracket institute fit, the then folding retractable device 3 completion；Also have plenty of when carry out folding operation when, need to will described in Two mounting brackets are pulled open, and make the foldable assembly 31 not by fit, and then push the mobile cabinet 1 forward so that the folding is stretched The synchronous folding in the presence of the foldable assembly 31 of compression apparatus 3, in the plate face of the long folded sheet 361 and short folded sheet 362 Then represent that the folding retractable device 3 is folded after mutually fitting to finish, it can be seen that be after the folding retractable device 3 is folded Width is consistent with the length of the edge plate 111, and the plate side of the edge plate 111 is fitted with the plate face of the fixed plate 2, is made The folding retractable device 3 is obtained to be hidden between the mobile cabinet 1 and fixed plate 2.

Reference picture 3-6, wherein Fig. 6 are to cut and spread out the knot kept flat along the median perpendicular of hollow structure in Fig. 5 3112 Structure schematic diagram.

A kind of foldable assembly that the utility model is provided, including connector and it is pinned at the of the connector two ends respectively One folded piece 311a and the second folded piece 311b；The connector 312 includes shell and the first pendulum located at the enclosure The balance staff 314 of axle 313 and second, the opposite end of two balance staff is provided with the intermeshing grinding tooth for being used to realize and being synchronized with the movement, and this two One end away from the grinding tooth is fixedly connected by connecting pin 37 with corresponding folded piece respectively on balance staff；The shell is provided with Coordinate the guide groove 3121 for inserting and limiting the correspondence movement travel of connecting pin 37 for the connecting pin 37.

Optionally, in the utility model embodiment, the shape of the guide groove 3121 is designed as an arc groove, transmission this lead It is apparent that the connecting pin 37 loaded on the swing situation between two balance staff and folded piece to groove 3121.

Wherein, in the utility model embodiment, the first folded piece 311a, the second folded piece 311b and connector 312 It ensure that synchronization telescope and the folding at desktop two ends, it is to avoid have while the lower folding delayed flexible phenomenon in another side.Simultaneously described the One folded piece 311a, the second folded piece 311b and connector 312 cause the folding table to have limited bit function after action in place, make Both sides desktop energy precision maneuver is in place.

Specifically, in the utility model embodiment, the balance staff 314 of the first balance staff 313 and second offers balance staff respectively Groove, the balance staff sliding block 3132 and active force that is placed in the balance staff groove and can slide relatively are in the balance staff sliding block 3132 and pendulum Balance staff spring 3131 between axial trough.

Specifically, in the utility model embodiment, during the first folded piece 311a and the second folded piece 311b all include Hollow structure 3112, the slide block device 4000 in the hollow structure 3112, located at the one side of hollow structure 3112 or Shifting chute 4004 on opposite sides face and outer and the movement is passed through by pulley spindle 4001 located at the hollow structure 3112 Groove 4004 and the pulley 4002 affixed with the slide block device 4000；The pulley 4002 is placed on the pulley groove 321 simultaneously Simultaneously by the effect of the pulley groove 321 and shifting chute 4004 to limit movement travel.

It is preferred that, the hollow structure 3112 includes the sliding block spring 4003 being placed in the hollow structure 3112, the cunning The active force of block spring 4003 is between the madial wall of hollow structure 3112 and the slide block device 4000.

Wherein, optional is the pulley 4002 in offering depression notch on wheel side for holding in the pulley On groove 321；The pulley groove 321 is horizontally-parallel setting and is into certain angle with parallel trough rim reaching the trough rim of end The upwardly or downwardly extension of degree, so that the effect with positioning when the pulley 4002 reaches the trough rim of least significant end, tool Body is embodied in when the pulley 4002 reaches the trough rim of least significant end and stops static in the presence of the sliding block spring 4003.

Other, in the case of by external force to fold, 311b points of the first folded piece 311a and the second folded piece It is that run-on point is synchronous upward turn not using the pin joint point with the connector 312, its synchronous axial system is achieved in that described the Under the collective effect of one balance staff 313 and the second balance staff 314, the undertaking block 3111 is respectively acting on the balance staff sliding block 3132 On, the upward sliding of balance staff sliding block 3132 described in the balance staff groove, wherein the balance staff spring 3131 is compressed, Jin Ersuo State to accept block 3111 and link two balance staff and do circle upwards for run-on point with the connecting pin 37 and swing and make, described in during being somebody's turn to do Grinding tooth interaction between two balance staffs ensure that being synchronized with the movement for two balance staffs, therefore folding process possesses and acts on the folding The external force of component 31 need to be more than the active force of the balance staff spring 3131.

Optionally, the first folded piece 311a and the second folded piece 311b all also include solid with the hollow structure 3112 It is connected in integral undertaking block 3111；It is described undertaking block 3111 by the connecting pin 37 respectively with the two balance staffs pin joint and difference Act on the balance staff sliding block 3132 of two balance staff so that be respectively installed with the first folded piece 311a and the second folded piece 311b Mounting bracket 323 it is without hindrance it is successfully lower roll over, in addition in the presence of external force, the balance staff 314 of the first balance staff 313 and second is nibbled Engagement direction between tooth is also faded to down from above or becomes supreme by lower, the effect of synchronous folding is realized, with novelty.

Other, in the utility model embodiment, the pulley 4002 is different from above-mentioned mobile pulley 12, from volume size Aspect on say, the volume of the pulley 4002 is less than mobile pulley 12；In terms of load-bearing, the mobile pulley 12 is held Beijing South Maxpower Technology Co. Ltd's power is generally higher than the pulley 4002；From function aspects, the mobile pulley 12 can drive the shifting by external force Dynamic cabinet 1 is moved in the plane, and the pulley 4002 then has in the presence of the pulley groove 321 and/or shifting chute 4004 to be arrived The spacing function in position, makes the lower folding of the folding retractable device 3 and flexible work more smoothly.

Other, the foldable assembly described in the present embodiment may not only be applied to the lower folding of the utility model offer Table, is also applied to other field, for example：Applied to foldable chair, foldable bicycle, folding unmanned plane branch Frame is first-class.

It refer in Fig. 7-9, the utility model embodiment, when the folding retractable device 3 is by open configuration to rugosity During state, the first folded piece 311a and the second folded piece 311b respectively using the tie point with the connector 312 as lower break, Using the junction of the mobile cabinet 1 and with the junction of the fixed plate 2 as the strong point, synchronism comes closer motion, with The effect down folded is realized, the occupancy in space is reduced, takes full advantage of the space at table bottom.

Optionally, in the utility model embodiment, when the foldable assembly 31 by open configuration to folded state when, outside In the presence of power, the first folded piece 311a and the second folded piece 311b respectively using the tie point with the connector 312 as Lower break synchronism draws close motion.

Other, the structure of the balance staff spring 3131 and sliding block spring 4003 is essentially identical, is to use elastomeric material system Into part deform upon under external force, remove external force after again a kind of restorable machine components.

Generally speaking, the utility model is by using folding retractable device and two vertical supporting structures, in a vertical supporting Under the fixation of structure, the position by another mobile vertical supporting structure is the effect that can be achieved to change desktop area, in addition By pulling open the folding retractable device, you can folded the folding retractable device, made full use of the idle space below desktop, So that the folding retractable device is perfectly hidden in table bottom, and it is simple in construction, farthest improve the usage experience of user.

Other, the foldable assembly in folding retractable device described in the utility model ensure that the synchronization telescope at desktop two ends And folding, it is to avoid have while the lower folding delayed flexible phenomenon in another side.The first folded piece, the second folding wherein in foldable portion Overlapping piece and connector have limited bit function after action in place, enable both sides desktop precision maneuver in place and spacing.

In summary, the lower folding table of the utility model application has been avoided using the folding retractable device while lower folding is another Delayed flexible phenomenon, makes have energy precision maneuver in place and spacing function, makes full use of the idle sky below desktop on one side Between so that the folding retractable device is perfectly hidden in table bottom, simple in construction, farthest improves the use body of user Test.

Above-described embodiment is the utility model preferably embodiment, but is not merely restricted to the described embodiments, its He any without departing from Spirit Essence of the present utility model and the change made under principle, modification, replacement, combine, simplify, all should For equivalent substitute mode, it is all contained within protection domain of the present utility model.

Claims (8)

1. a kind of folding retractable device, it is characterised in that including for realizing the foldable assembly folded, being set with the folding Component two ends simultaneously can relative the first mounting bracket and the second mounting bracket slided；Two mounting bracket is respectively in one side or opposite sides Pulley groove is offered on face；The foldable assembly includes the connector for realizing synchronous folding and is pinned at the connection respectively First folded piece and the second folded piece at part two ends；Two folded piece all includes hollow structure, in the hollow structure Slide block device, the shifting chute on the hollow structure one side or opposite sides face and outside the hollow structure and logical Pulley spindle is crossed through the shifting chute and the pulley affixed with the slide block device；The pulley is placed on the pulley groove simultaneously Simultaneously by the effect of the pulley groove and shifting chute to limit movement travel.

2. folding retractable device according to claim 1, it is characterised in that the connector includes shell and located at described The first balance staff and the second balance staff of enclosure, the opposite end of two balance staff are used to realize what is be synchronized with the movement provided with intermeshing One end away from the grinding tooth is fixedly connected by connecting pin with corresponding folded piece respectively on grinding tooth, two balance staff；It is described outer Shell, which is provided with, is used for the guide groove that connecting pin cooperation is inserted and limits corresponding connecting pin movement travel.

3. folding retractable device according to claim 2, it is characterised in that first balance staff and the second balance staff are opened respectively Provided with balance staff groove, the balance staff sliding block and active force that are placed in the balance staff groove and can slide relatively in the balance staff sliding block and pendulum Balance staff spring between axial trough.

4. folding retractable device according to claim 1, it is characterised in that the hollow structure is also hollow including being placed in this It is used for the back box for placing the slide block device in structure, is relative to slide between the madial wall and slide block device of the back box.

5. folding retractable device according to claim 4, it is characterised in that the back box includes the cunning being placed in the back box Block spring；The sliding block spring acts on the back box inwall and the slide block device.

6. folding retractable device according to claim 2, it is characterised in that first folded piece and the second folded piece are all Also include the undertaking block fixed as one with the hollow structure；The undertaking block is put with described two respectively by the connecting pin Pivot pin connects and is respectively acting on the balance staff sliding block of two balance staff.

7. folding retractable device according to claim 1, it is characterised in that also including long folded sheet and short folded sheet；Institute State long folded sheet to be placed on the first mounting bracket of the folding retractable device, the short folded sheet is placed in the folding retractable device The second mounting bracket on.

8. folding retractable device according to claim 1, it is characterised in that also described including first mounting bracket suit The opposite end that the fixed seat and second mounting bracket that the opposite end of first folded piece is set are set with second folded piece is set The mounting seat put.