CN2524570Y

CN2524570Y - Leg frame positioning device for folding table

Info

Publication number: CN2524570Y
Application number: CN 02201330
Authority: CN
Inventors: 曾春荣
Original assignee: Xinye Enterprise Co Ltd
Current assignee: Xinye Enterprise Co Ltd
Priority date: 2002-01-07
Filing date: 2002-01-07
Publication date: 2002-12-11
Anticipated expiration: 2012-01-07

Abstract

The utility model aims at designing a foot frame positioning device of a folded table, which comprises two corresponding positioning units provided under the folded table; the folded table is provided with a table plate and two foot frames; the positioning unit is provided with a positioning base fixed on the bottom surface of the table plate, a connection positioning base, a top supporting piece on the foot frame of the same side and a fastening piece of a block click top supporting piece; when a trip part of the fastening part is in the unstressed position, the top supporting piece is tightly blocked and slantwise supports the foot frame to stand against the ground; when the trip part is changed to be in the stressed position, the foot frame can be folded up toward the table plate. As the clamping method is tight and the trip part is close to the table plate and is in small volume, the relatively sound positioning effect can be generated while the use safety of the folded table can be guaranteed.

Description

The foot rest positioner of foldable table

(1) technical field

The utility model relates to a kind of positioner, is meant a kind of use especially on foldable table, makes the foot rest of foldable table amount to or support upright positioner with respect to table.

(2) background technology

Consult Fig. 1, foldable table 1 comprised in design in the past: the table 12, of a level be fixed on the framework 13 of table 12 bottom surfaces, at interval and can fold the bipod below the framework 13 14 and about corresponding and be located at two positioning units 11 of table 12 bottoms.Wherein said framework 13 has the cross bar 131 that two intervals are corresponding and can supply described positioning unit 11 to fix.Each is amounted to unit 11 and has the pivot button 113 that the first microscler folded piece 111, one second folded piece 112 and are used for articulating two folded pieces 111,112.The upper end of first folded piece 111 is fixed in cross bar 131 bottoms, and the bottom of second folded piece 112 is engaged on the foot rest 14 of homonymy.When two folded pieces 111,112 launched to form straight line, foot rest 14 was positioned at the upright position of support, when pivot button 113 is up carried, and 111, the 112 meeting bendings of two folded pieces, foot rest 14 will be driven toward described table 12 bottom surface foldings, and is positioned at a position of amounting to.Though the composition member of positioning unit 11 was quite simple in the past, but foldable table 1 in use, occupant's both feet normally are positioned at table 12 belows, when user's both feet are up raised, if be pressed to pivot button 113 positions of positioning unit 11 accidentally, the foot rest 14 of homonymy will fold toward table 12 belows because of moving on the pivot button 113 and the traction of two folded pieces 111,112 folds, cause foldable table 1 not folding under the expecting state, cause contingency easily.Therefore how to make positioning unit 11 certain supporting to arrive in of foldable table 1, and can not get loose, topple over, for treating improved problem in foldable table 1 design because of unexpected external force pushing causes.

(3) utility model content

The purpose of this utility model is that a kind of good location effect that has is being provided, with the foot rest positioner of the foldable table of promoting the foldable table safety in utilization.

Foot rest positioner of the present utility model is to be installed on the foldable table, described foldable table comprises that a table, two parallel interval are located at the corresponding parallel at interval bipod that is positioned at the cross bar between two stocks and is positioned at the stock below of the stock of table bottom surface, two, each foot rest has one respectively and is positioned at the top and is articulated in stock away from a pivoted pole between two ends and a bottom bar near bottom and parallel pivoted pole, and described positioner comprises: the corresponding at interval positioning unit that is provided with and distinctly is used for the upright or folding of spacing bipod support; It is characterized in that:

Described positioning unit is to be engaged between the foot rest and cross bar of homonymy, each positioning unit has: the positioning seat of a hollow, one top bracing member, one fastener and an elastic parts, described positioning seat is installed in the cross bar bottom surface of homonymy, it has a down outstanding U-shaped leg and and defines and be parallel to the room of stock by leg, be provided with one and room communicates and towards the opening of homonymy foot rest at leg, described top bracing member is engaged between foot rest and cross bar, and have one can from opening embed positioning seat top supporting part and one from top supporting part toward foot rest extend and and the support portion of foot rest pivot joint, described fastener has the outer pulling part of an outstanding room, and one stretch in the room and can fix the Access Division of described top supporting part, described pulling part can be pulled up and down and be moved between a stressed position and not stressed position, described elastic parts is given fastener elastic force, makes the pulling part perseverance of fastener be positioned at not stressed position.

When pulling part is positioned at not stressed position, described Access Division and top supporting part are fixed, and top bracing member is shored between cross bar and foot rest, with location foot rest support angle immediately, when the elastic force that overcomes elastic parts makes when pulling part is transformed into stressed position, described top supporting part is moved apart the Access Division, and foot rest can be to the table folding.

For further specifying above-mentioned purpose of the present utility model, design feature and effect, the utility model is described in detail below with reference to accompanying drawing.

(4) description of drawings

Fig. 1 is a kind of three-dimensional exploded view of foldable table in the past.

Fig. 2 is a three-dimensional exploded view, and first preferred embodiment that the utility model foot rest positioner is described is installed in the state on the foldable table.

Fig. 3 is not complete perspective bottom view, illustrates that the locating unit of described preferred embodiment is fixed on the wherein state of cross bar below of foldable table.

Fig. 4 is not complete three-dimensional exploded view, illustrates that a positioning seat, a fastener, the elastic parts and on the positioning unit worn the corresponding relation between pin.

Fig. 5 is a complete combination cutaway view not, illustrates that a pulling part of described fastener is positioned at not stressed position.

Fig. 6 is the not complete combination cutaway view of a similar Fig. 5, illustrates that the pulling part of described fastener is positioned at a stressed position.

Fig. 7 is not complete upward view, and the foot rest that described foldable table is described folds the state below a table.

Fig. 8 is the not complete three-dimensional exploded view of a similar Fig. 4, and the part assembly structure of second preferred embodiment of the utility model foot rest positioner is described.

Fig. 9 is a complete combination cutaway view not of described second preferred embodiment, illustrates that the pulling part of described fastener is positioned at not stressed position.

(5) specific embodiment

For convenience of description, identical assembly is represented with identical label among the following embodiment.

Consult Fig. 2, foot rest positioner 2 of the present utility model comprises two between left and right every the positioning unit 20 that is provided with, and positioning unit 20 is to be installed in simultaneously on the foldable table 1.Described foldable table 1 comprises a table 11, is installed in stock 12, the two at interval corresponding parallel bipods 14 that are engaged on the cross bar 13 of 12 of two stocks and the left and right sides, two stocks, 12 below is installed of table 11 bottom surfaces to two parallel interval.Each foot rest 14 has respectively and one is articulated in the pivoted pole 141 of 12 of two stocks, down extends from pivoted pole 141 bottoms and two foot levers 142 and the successive bottom bar 143 below two foot levers 142 lean on of front and back correspondence, and cross bar 13 is between 141 of two pivoted poles, and each foot lever 142 has one respectively and is positioned at the parallel parallel-segment 144 in top and front and back and is positioned at the below and a supporting section 145 of expansion forward or backward.

Cooperate Fig. 3,4, each positioning unit 3 comprises: give fastener 6 flexible elastic parts 7 and being installed in of fastener 6 pivots pendulum worn pin 8 on the positioning seat 4 but a hollow positioning seat 4, that is installed in a cross bar 13 bottoms supports fastener 6, that top bracing member 5,144 of two parallel-segment of positioning seat 4 and homonymy foot rest 14 stretches through positioning seat 4 and can fix top bracing member 5.

Described positioning seat 4 is the middle parts that are installed in cross bar 13 bottom surfaces, positioning seat 4 has the stator 42 that two front and back spaced and parallel are fixed on cross bar 13 bottoms, one is engaged on the U-shaped leg 41 of 42 of two stators, and define a room 43 that forms together by described leg 41 and cross bar 13 bottom surfaces, wherein said leg 41 comprise about two to and the parallel two side portion 411 in front and back, one is connected the bottom wall portion 412 of two side portion 411 bottoms and offers and a downward opening opening 413 toward two side portions 411 from bottom wall portion 412, above-mentioned opening 413 communicates with the room 43 that is parallel to stock 12, and offers the first pivot hole 414 of front and back to correspondence in the two side portion 411 respectively.

Described top bracing member 5 have one be positioned at top and front and back to the top supporting part 51 that is provided with, from described top supporting part 51 rear and front ends to foot rest 14 directions toward two support portions 52 that declivity is prolonged, two pivots 53 and that two support portions 52 are hubbed on two parallel-segment 144 of foot rest 14 respectively are engaged on the fixed bar 54 of two support portions 52 by the below.When foot rest 14 was positioned at the upright position of support, described top supporting part 51 embedded in the opening 413 of positioning seats 4.

Described fastener 6 is to stretch through in the room 43 of positioning seat 4, and above-mentioned fastener 6 has one and stretches out the Access Division 62 that room 43 outer pulling parts 61 and stretch into described room 43.Has a recessed arc groove 611 on the described pulling part 61.And have on the Access Division 62 one away from described pulling part 61 and downward opening draw-in groove 621, between draw-in

groove

621 and 61 of pulling parts and and 414 front and back, two first pivot holes be positioned at the perforation 623 of 61 of the second pivot hole 622 and pulling parts to the second pivot hole 622 and of correspondence.

Described elastic parts 7 has the following supporting part 71 of a contact on the bottom wall portion 412 of leg 41, from two coiling portions 72 that described supporting part 71 is down up reeled and one first support pin 73 and one second and support pin 74 from what two coiling portions 72 up extended respectively, second support have on the pin 75 that a perforation 623 toward fastener 6 penetrates the location insert admittedly sections 741.

The described pin 8 of wearing passes two first pivot holes 414 of positioning seat 4, two coiling portions 72 of elastic parts 7, and the second pivot hole 622 of fastener 6.

Consult Fig. 2,3,5, when the foot rest 14 of foldable table 1 is positioned at the upright position of support, the top supporting part 51 of top bracing member 5 is shored in the opening 413 of positioning seat 4, be subjected to the effect of elastic parts 7 elastic force this moment, the Access Division 62 of described fastener 6 can be the downward swing of fulcrum to wear pin 8, make the draw-in groove 621 of 62 bottoms, Access Division be fastened on the top supporting part 51 of top bracing member 5, prevent 4 disengagings of top bracing member 5 and positioning seat, this moment, the pulling part 61 of fastener 6 was positioned at not stressed position.

Consult Fig. 2,6, in the time will folding the foot rest 14 of foldable table 6, the pulling part 61 of fastener 6 is bestowed a downward strength, making pulling part 61 is that fulcrum is transformed into a stressed position by not stressed position to wear pin 8, this moment, the top supporting part 51 of top bracing member 5 can be down swing of fulcrum with two pivots 53, foot rest 14 also loses supporting role power at this moment, and therefore whole foot rest 14 can be that fulcrum is toward described table 11 below foldings with pivoted pole 141.Described in design fastener 6 only just can be got loose by suppressing action power at arc groove 611, so can getting rid of pulling part 61 fully, design suffer the improper pushing in below to cause the possibility of toppling over, that is to say, unless user's pulling part of down pulling fastener 6 61 painstakingly, otherwise positioner 2 can not produce improperly and gets loose.

Consult Fig. 7, when foot rest 14 during toward table 11 bottom foldings, the top supporting part 51 of described top bracing member 5 is just in time against the bottom bar 143 of foot rest 14, and described fixed bar 54 just in time embeds the opening 413 of positioning seat 4, therefore when foot rest 14 foldings, can smooth fully and not be positioned at table 11 bottom surfaces movably, so that move.

Consult Fig. 8,9, similar first embodiment of second preferred embodiment of the utility model foot rest positioner 2, the difference of two embodiment is: the pulling part 61 of described fastener 6 is horizontal sheet.And described Access Division 62 has a diapire 624 that the room toward positioning seat 4 43 extends from described pulling part 61 and the two side 625 of extending vertically upward from both sides, diapire 624 front and back.Described sidewall 625 cooperations define an opening also can be for the draw-in groove 621 of described top supporting part 51 fixings towards top bracing member 5.And elastic parts 7 is torque springs, and it has one for wearing the coiling portion 73 that pin 8 passes, and two be connected to diapire 624 and cross bar 13 belows respectively support

73,74.

Conclude above-mentioned, each positioning unit 20 of the foot rest positioner 2 of the utility model foldable table, be to utilize the described top bracing member 5 of fastener 6 clips to carry out closely fixing, so the homonymy foot rest 14 that top bracing member 5 is articulated is very positively to be oriented to a upright state, and because the volume of described pulling part 61 is very little and very close described table 11, make the user be not easy because casually lift pin or other external force is touched, therefore cause described top bracing member 5 to get loose, described foot rest positioner 2 can reach spacing foot rest 14 really and take into account the utility model purpose of security.In addition, the bottom bar 143 that the foot rest of described foldable table 1 14 is designed and the fixed bar 54 of top bracing member 5 also make foot rest 14 certain parallel applying when folding be fixed on table 11 bottom surfaces in order to moving.

Certainly, those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in the scope of the utility model claims variation, the modification of the above embodiment.

Claims

1. the foot rest positioner of a foldable table, it is installed on the foldable table, described foldable table comprises that a table, two parallel interval are located at the corresponding parallel at interval bipod that is positioned at the cross bar between two stocks and is positioned at the stock below of the stock of table bottom surface, two, each foot rest has one respectively and is positioned at the top and is articulated in stock away from a pivoted pole between two ends and a bottom bar near bottom and parallel pivoted pole, and described positioner comprises the corresponding at interval positioning unit that is provided with and distinctly is used for the upright or folding of spacing bipod support; It is characterized in that:

Described positioning unit is engaged between the foot rest and cross bar of homonymy, each positioning unit has: the positioning seat of a hollow, one top bracing member, one fastener and an elastic parts, described positioning seat is installed on the cross bar bottom surface of homonymy, it has a down outstanding U-shaped leg and and defines and be parallel to the room of stock by leg, on leg, be provided with one and room communicates and towards the opening of homonymy foot rest, described top bracing member is engaged between foot rest and cross bar, and has a top supporting part that can embed positioning seat from opening, and one from top supporting part toward foot rest extend and and the support portion of foot rest pivot joint, described fastener has the Access Division that the outer pulling part and of an outstanding room stretches in the room and can fix described top supporting part, described pulling part can be pulled up and down and be moved between a stressed position and not stressed position, described elastic parts is given fastener elastic force, makes the pulling part perseverance of fastener be positioned at not stressed position;

When pulling part was positioned at not stressed position, described Access Division and top supporting part were fixed, and top bracing member shores between cross bar and foot rest, with location foot rest support angle immediately; When the elastic force that overcomes elastic parts makes when pulling part is transformed into stressed position, described top supporting part is moved apart the Access Division, and foot rest also can be to the table folding.

2. the foot rest positioner of foldable table according to claim 1, it is characterized in that: the bottom wall portion that the leg of described positioning seat has the parallel side wall portion in two front and back and is engaged on two side portion bottom, and described Access Division has the draw-in groove that an opening also can supply top supporting part to lean towards top bracing member, described elastic parts has the following supporting part of a contact on the bottom wall portion of leg, one first support pin and one second and support pin from two corresponding coiling portions that described down supporting part up extends and from what two coiling portions up extended, wherein first below pin is resisted against cross bar, second supports and to have a solid section of inserting that is plugged on the fastener on the pin, and described positioning unit also has a two side portion that passes leg, pin is worn by two coiling portions of the Access Division of fastener and elastic parts.

3. the foot rest positioner of foldable table according to claim 1, it is characterized in that: the pulling part of described fastener is horizontal sheet, described Access Division has one from diapire that described pulling part extends in the room and the two side that extend vertically upward both sides before and after described diapire, described sidewall cooperation defines an opening also can be for the draw-in groove of top supporting part fixing towards top bracing member, each positioning unit also have one stretched through described sidewall and can be for the winding of elasticity assembly wear pin, described elastic parts has the pin of balancing or cancel each other, wherein one below pin is connected to cross bar, and another supports the pin contact at described pulling part.

4. as the foot rest positioner of foldable table as described in the claim 1,2 or 3, it is characterized in that: described top bracing member also has the fixed bar of parallel with a described top supporting part and close described top bracing member and foot rest articulated section, when described top supporting part and Access Division disengaging and the folding of the past table of foot rest bottom, described top supporting part leans the bottom bar at foot rest, and fixed bar can embed the opening of positioning seat, makes that foot rest is smooth to be fixed on the table bottom surface.