CN206166183U - Table platform of table leg with table with can be towards upset of table bottom surface - Google Patents

Abstract

The utility model relates to a table (2) have and towards table (2) but table platform (1) of table leg (13) of bottom surface pivot, wherein table (2) are inlayed by frame profile (4) surrounded along its longitudinal edge reason and/or horizontal edge. Arrange at least one in table (2) below and support crossbeam (6, 6', 6'''), support the crossbeam extend between frame profile (4) of two mutual oppositions and support the crossbeam to support on table platform (1) in at least one holding device (7, 7') adjustablely. For table platform (1) not only has high bearing capacity but also have the compact structure when the low weight, at least one supports crossbeam (6, 6', 6''') can get into with adjusting and have the effectively plane inertia second place of height during in the load of table (2) at the quadrature by have low effective plane inertia primary importance during in the load of table (2) at the quadrature.

Description

Tables with table and the table leg that can be overturn towards table bottom surface

Technical field

The utility model is related to a kind of tables of the preamble according to claim 1, and it has table and being capable of direction The table leg of table bottom surface upset.

Background technology

The tables of affiliated type are for example known as card tables, support table, workbench, the table and similar and examine first of camping Consider for interim use.This field that is widely applied causes：Such tables must be appropriate for extremely different requirement.Therefore In addition to the possibility of the folding of the save space for the putting property realized when not in use and except small weight Outside measuring for making operation easy, even the tables for referring to also must be used to safely bear especially by stability high Load higher.

The table hard place construction as far as possible for disclosed tables, to realize enough stability.This is by determining Table minimum thickness or the support of table is realized by the auxiliary member on tables bottom surface.But thus occur in that tables The rising of gross weight, so that the manually operated property reduction of the tables.

In order to solve this problem, tables are disclosed by the U1 of DE 20 2,011 109 084, the table leg of the tables is utilized Its upper end is connected by the crossbeam being connected with tables' framework.The crossbeam in this case along table bottom surface closely Move towards and by this way while foring the support of table, thus the table can be configured to more rapid wear.Thus this The tables of sample are characterised by the small weight in the case of optimal compactedness and putting property and are actually proved to With big achievement.

The content of the invention

In this context, the utility model realizes following task, i.e., in view of its ability to bear is simultaneously compact Continue to develop known tables in the case of structure and small weight.

This task is solved by the tables of the feature with claim 1.

Favourable modification of the present utility model is drawn by dependent claims.

The utility model is based on following basic thought, i.e., support crossbeam, the support crossbeam along the bottom surface guiding of table Cross-sectional profiles on profile main shaft due to give profile physical dimension there are different Plane Rotation inertia.Support horizontal Beam is so fixed adjustably on tables in this case such that it is able to changed between the first position and the second position, In the first position, less Plane Rotation inertia works in the loading perpendicular to table, in the second place In larger Plane Rotation inertia it is effective.In first position, support that crossbeam need not or need relatively little of perpendicular to table The space of plate, it has the advantage that can compactly convert into according to tables of the present utility model.Conversely, supporting that crossbeam exists Its complete bearing capacity is put to good use and by supporting that the table extremely has based on larger Plane Rotation inertia in the second place Effect ground improves the load of the maximum tables that can be born, and appreciably influences the weight of tables in this case.

In one of the present utility model simple implementation method, support crossbeam can have rectangle solid cross-section or Person's hollow cross-section.In first position, profile is placed and in second using its cross-sectional side more long parallel to table In putting transverse to be preferably perpendicular to table place.

But it is transversal to be preferably the unlimited profile with connection sheet and at least one preferably two support arms relative to this Face.In first position, connection plate plane is moved towards parallel to table, and one/multiple support arm is moved towards perpendicular to table. The second place is rotated relative to this longitudinal axis around support crossbeam with 90 °, so as to connect plate plane be moved towards perpendicular to table.From In the static visual field, two support arms assume responsibility for the work(of beam and lower-cord beam of winding up in this case the load perpendicular to table Can, this causes to support that crossbeam is not extremely flexible.

The support arm of such cross-sectional profiles can be it is contour or can certainly have different height, wherein Advantageously the support arm higher of table is disposed adjacent in the case of the latter.By more compared with support arm larger side, The preferably pressure distribution in the contact area supported between crossbeam and table is result in two positions.

In a favourable modification of the present utility model, support that the end section of crossbeam is compared in first position There is the smaller height perpendicular to table plane in middle region.It has the advantage that for table leg convert into Table leg is not interfered with crossbeam is supported for tables bottom surface, but is intersected simultaneously with crossbeam is supported in the region of relatively low end section And can closely be switched to tables bottom surface in this.

The type of the fixation of extremely different support crossbeam is included by the utility model.In a simple implementation method In the holding meanss with the first and second storing apparatus are provided with regard to this.Second storing apparatus arrange have in this case For the angular deviation of the first storing apparatus, wherein supporting that crossbeam occupies first position and second in the first storing apparatus The second place is occupied in storing apparatus.The difference of the selection according to the first or second storing apparatus, supports that crossbeam then can be It is fixed on tables in first position or the second place.

In one of the present utility model very simple embodiment, support that crossbeam is the part for loosening, the part It is fixed on manually when required in the first storing apparatus or the second storing apparatus.First storing apparatus and the second storing apparatus Can for example be formed by the inserted into gap being correspondingly oriented respectively, support crossbeam is inserted in the inserted into gap.

It is however preferable that holding meanss, support crossbeam rotationally or are pivotally supported in the holding meanss On tables.This can for example by the end plate in support beam-end or the hinge of the hinge shape by the support crossbeam on tables Row is tapped into, the end plate has the opening in center, the branch of a corresponding fixed support shaft or fixation in holding meanss Axle journal is held to be applied in the opening.Support that crossbeam can be in this embodiment（Support that crossbeam does not unclamp from tables）Only lead to Cross

Rotate or pivot is to be entered in first position by the second place in other words into the second place by first position.

Opening in end plate can be configured to elongated hole, and the Longitudinal extending direction of the elongated hole is perpendicular to the transversal of support crossbeam The connection plate plane trend of facial contour.This measure gives the advantage that that is, support is horizontal in the second place for supporting crossbeam Beam is equably carried in whole length of elongated hole by bearing journal.But in order that must support that crossbeam becomes in returning to first position Easily, by support crossbeam rotate reach first position before, support crossbeam can first parallel to table move, until Bearing journal backstop is on the edge near connection sheet of elongated hole.

In an alternative embodiment of the present utility model, the type structure holding meanss according to hinge, the hinge One hinge wing of chain is rigidly fixed on tables, is especially rigidly fixed on tables' framework and in such case Under by a tables when opposed tables are extended to.Another hinge wing is used for fixed support crossbeam or itself forms branch Hold crossbeam.Can be changed between the first and second positions by the pivot around hinge axis.The feature of this implementation method exists In small space requirement and the robustness of Qi Gao in first position.

Especially in the second position in order to support the supporting security of crossbeam can be arranged on holding meanss, table or Suitable retainer on tables' framework.Such retainer for example includes stop surface and keeper, and the stop surface limitation turns Dynamic motion moves pivotally, and the keeper will support that crossbeam is maintained in the position of backstop.

There is the face for being mutually perpendicular to trend, such as connection sheet and the branch with this transversal orientation if supporting the cross section of crossbeam Arm, the then profile support arm that support security also advantageously can be close on tables bottom surface by plane earth in the second position gives To realize.

The utility model specifically makes an explanation based on the following the embodiment for showing in the accompanying drawings, it is disclosed that this practicality New other feature and advantage.Identical and function identical feature for different implementation methods in this case one As much as possible use consistent reference.

Brief description of the drawings

Diagram

Fig. 1 is the side view according to tables of the present utility model being located in deployed condition,

Fig. 2 is the ground plan that the tables for showing in Fig. 1 are located in folded position,

Fig. 3 a are by according to tables of the present utility model, in fig. 2 with the partial cut away portion in the region of D marks Point, wherein support that crossbeam is located in the second place,

Fig. 3 b are by according to tables of the present utility model, in fig. 2 with the partial cut away portion in the region of D marks Point, wherein support that crossbeam is located in first position,

Fig. 4 is the section of the line IV-IV along there of the subregion for showing in fig. 3 a,

Fig. 5 a are the sections of the line Va-Va along there of the subregion for showing in fig. 3 a,

Fig. 5 b are the sections of the line Vb-Vb along there of the subregion for showing in fig 3b,

Fig. 6 is the oblique view in the end of the second embodiment according to support crossbeam of the present utility model,

Fig. 7 is according to tables of the present utility model with the 3rd implementation method according to support crossbeam of the present utility model The oblique view of bottom surface,

Fig. 8 is the section of the line VIII-VIII along there of the tables for showing in the figure 7.

Specific embodiment

Fig. 1 and 2 is shown according to tables of the present utility model 1 with side view and ground plan.Tables 1 possess table 2, described Table is made up of the desktop element 3 of relative thin with the framework 4 for surrounding desktop element 3.Framework 4 is made up of aluminium section bar, the aluminium profiles Specifically found out by Fig. 5 a and b first the cross section of material.

On the bottom surface of tables 1, along the narrower horizontal side of tables, a corresponding pivotal axis 5 band is inwardly going with offsetting, Be connected with each other for the framework 4 for forming the longitudinal side of tables 1 by the pivotal axis.Pivotal axis 5 includes hollow pole, the two of the pole Screw-thread bush is respectively charged on individual end for fixing pivotal axis 5 to framework 4.Profile 4 is extended through by outside and is entered The bolt of screw-thread bush is responsible for the secure attachment between pivotal axis 5 and table 2.

Supporting element 9 is seen in addition in the zone line of pivotal axis 5, and pivotal axis 5 is maintained at this by the supporting element In region.For this purpose, supporting element 9 is fastened on framework 4 using its foot areas widened, and the head of supporting element 9 Portion has cross-drilled hole, and pivotal axis 5 extends through the cross-drilled hole（Fig. 2）.

In the folding corner region of tables 1, an each table leg 13 rotatable support ground is located on two pivotal axis 5.Each table The substantially two parts ground construction of leg 13, i.e., with the first top 14 and the second bottom 17.Top 14 includes the hollow profile of rectangle, Insertion has for guiding the cross-drilled hole of the pivotal axis 5 transverse to cross-drilled hole trend in the upper end of the hollow profile Supporting member 15.Supporting member 15 by spring washer, rivet, pin or it is similar protected, prevent on pivotal axis 5 It is lateral to skid.Corresponding two table legs 13 being collectively arranged on pivotal axis 5 are organized equivalent by the frame-like of crossbeam 28 and therefore can It is enough jointly to pivot.A corresponding toggle link for trailing with pivot stop（Kniehebel）24 are opened for stop Table leg 13, the toggle link is hinged and using its other end on framework 4 using the first component 14 of its one end and table leg 13 It is fixed.

Second component 17 is presented as the foot areas of table leg 13 and consists essentially of the hollow profile of U-shaped, described hollow Profile adapts to the internal geometrical characteristics of first component 14 using two short support arm and connection sheet.By this way, second Part 17 can be pushed telescopically in first component 14.In push-in region, second component 17 is in one of two support arms middle tool There is elongated hole.The length of elongated hole determines the maximum height adjustment range of tables 1 in this case.The free end of part 17 Equipped with serum cap 21, the serum cap forms bearing-surface.

In order to fix second component 17 in desired push-in depth, there is nut in the peripheral solder of first component 14, institute State nut to be aligned with the hole in part 14, the hole is aligned with the elongated hole in a support arm of second component 17 again.Fixing bolt 25 are extended through nut, hole and elongated hole and are opened towards the inwall of first component 14 using its free end using its threaded sections One support arm of tight second component 17, the head configuration of the fixing bolt is knob.Clip connection by this way promotes Gapless connection between part 14 and 17, this contributes to the stability of tables 1 to improve.

As drawn by Fig. 1 and 2 in addition, tables 1 extraly have support crossbeam 6, described to support crossbeam from framework 4 Longitudinal side extends to opposed longitudinal side and accordingly there in holding meanss 7 around the rotatable twelve Earthly Branches in Longitudinal extending direction Hold.In this case support crossbeam 6 in-between middle part ground and parallel to the horizontal side of tables directed along desktop element 3 bottom Move towards in face.

The more detailed construction for supporting crossbeam 6 is the content of Fig. 3 a to 6.Especially drawn by Fig. 3 a to 5b, keep dress Put the pattern of the banding of 7 sections 10 for possessing the centre protruded with two end sections 8 and by the plane of end section 8, institute State end section has the hole 11 in center for being fixed on the inner side of framework 4, the section of the centre, and branch is loaded in the hole Axle journal 12 is held, the free end of the bearing journal points to the direction of opposed tables' framework side.Holding meanss 7 are by this way Rolling bearing is correspondingly formed, the end of corresponding support crossbeam 6 has rotationally been maintained in the rolling bearing.

Support that crossbeam 6 is included with the near of the support arm 16 higher and relatively low support arm 18 being connected with each other by connection sheet 19 Like U-shaped special-shaped bar.Support that the end face of crossbeam 6 forms the end plate for being orthogonal to and supporting the longitudinal axis orientation of crossbeam 6, rectangle 20, the side of the end plate is surrounded by support arm 16 and 18 and connection sheet 19 at least in part.End plate 20 has elongated hole in centre 21, the Longitudinal extending of the elongated hole is oriented parallel to the trend of profile support arm 16,18.Support that the length of crossbeam 6 so sets, that is, have Have and be on bearing journal 12 with two end plates 20 of the axial gap of the centre portion 10 of holding meanss 7.By this way, prop up Holding crossbeam 6 can rotate around bearing journal 12, so that crossbeam 6 will be supported by first position（Fig. 3 b, 5b）Bring the second place into （Fig. 3 a, 4,5a）.Pivot center is indicated in figure using reference 26.

For supporting the second place of crossbeam 6 unique, connection sheet 19 is oriented and two support arms 16 perpendicular to table 2 The lower-cord beam and the cross-sectional profiles of the type reinforcing crossmember 6 of the beam that winds up oriented parallel to table 2 with 18 bases.It is relative at this In the position of table 2, support that crossbeam 6 possesses its maximum Plane Rotation inertia simultaneously for the load perpendicular to table 2 And therefore played the bearing capacity of its maximum.

First position is distinguished by supporting that crossbeam 6 rotates 90 ° in the direction of arrow 22 with the second place, so that connection sheet 19 move towards and two support arms 16,18 are moved towards perpendicular to table 2 parallel to table 2.In the feelings of the load acted on perpendicular to desktop 2 The relative first position for supporting crossbeam 6 of the Plane Rotation inertia of condition down cross-sectional profile is smaller and therefore possible bearing capacity It is smaller.But the second place is provided the advantage that, that is, support that crossbeam 6 needs the less space perpendicular to table 2, so that table Leg 13 can closer be folded to the bottom surface of table 2, this allow that the compact of tables 1 is stowed.

Last Fig. 6 is illustrated and the Curve guide impeller of crossbeam 6 is being supported shown in Fig. 1 to 5b.In the table leg 13 to table 2 that collapses Bottom surface on when as first as can be seen from Fig. 2, draw and support crossbeam 6 crosspoint.For the support according to Fig. 6 Profile support arm 16 and 18 has the height or the profile for reducing at least in the region Chong Die with table leg 13 for crossbeam 6' Support arm is fully omitted, even if to make it possible that table leg 13 is folded to tables bottom surface without barrier on crosspoint. This longitudinal section is indicated and set out by end plate 20 and extends up to determine with 23 for the implementation method for showing in figure 6 The crosspoint of property.

According to a unshowned implementation method, it is also possible to set without branch on crossbeam 6,6' is supported for each table leg 13 The longitudinal section 23 of arm, table leg 13 is shape-ordinatedly accommodated and kept in the longitudinal section.In this case Can be by the elastic effect from rear portion with the frictional fit or table leg 13 of table leg 13, while realizing in the position for folding On table leg 13 stop.

The foundations of Fig. 7 and 8 are illustrated according to of the present utility model according to the oblique view on the bottom surface of tables of the present utility model 1 The replacement of thought is implemented, wherein in order to support the not shown turnover table leg of the more preferable identifiabilities of crossbeam 6'', but the table Leg can be constructed corresponding to Fig. 1 and 2.

According to the implementation method of Fig. 7 and 8 at least one holding meanss 7' according to hinge type structure, the hinge First axle fin 27 be rigidly fixed on the framework 4 of table 2 and extended by tables longitudinal side in this case To opposed tables longitudinal side.The flange 30 with right-angle bending is solid for it respectively in two end for first axle fin 27 Fixed, the flange is fixed on the inner side of framework 4 by bolt or rivet 31.

Second hinge fin forms support crossbeam 6'' and can be pivoted around hinge axis 28, thus the joint rocker Piece can enter the second place by first position, and hinge wing plane earth is close to table 2 described in the first position On bottom surface（The displaying of Fig. 8 dotted lines）, the hinge wing described in the second place transverse to table bottom surface erect, preferably with 90 ° of angle is erect.Under the use state of tables 1 second hinge part support in other words crossbeam 6'' with gravity be condition ground Suspension straight down and such second place for independently keeping supporting crossbeam 6''.

However, it is preferred that second hinge fin supports that extraly stop is this in the second position to crossbeam 6'' in other words Suitable fastener 29 such as chuck, stop part, magnet, clamping lock unit can be arranged on the bottom surface of table 2 or on framework 4 Part, the pin of elasticity, steady pin and similar.In the ongoing illustrated embodiment, be this on the inner side of framework 4 correspondingly fixation stop Block piece 29, wherein the buckle tongue on stop dog position（It is not shown）Support crossbeam 6'' is acted on from rear portion.

Claims (19)

1. it is a kind of that there is table（2）And can be towards table（2）Bottom surface pivot table leg（13）Tables, wherein table （2）Along its longitudinal edge and/or transverse edge by circular frame profiles（4）Surround, it is characterised in that in table（2）Under Side's arrangement at least one supports crossbeam（6、6''、6'''）, the support crossbeam is in two mutually opposing frame profiles（4）It Between extend and at least one holding meanss that can adjustably be supported on tables（7、7'）In, wherein at least one is supported horizontal Beam（6、6'、6'''）From being orthogonal to table（2）Load when have the first position of small effective Plane Rotation inertia can Adjust and be orthogonal to table（2）Load when the second place with big effective Plane Rotation inertia.

2. according to the tables described in claim 1, it is characterised in that support crossbeam（6、6'、6'''）Possess with around right angle The first axle of coordinate system（x）The first Plane Rotation inertia and the second axis around the coordinate system（y）The second plane The cross-sectional profiles of rotary inertia, wherein around first axle（x）The first Plane Rotation inertia be more than around second axis （y）The second Plane Rotation.

3. according to the tables described in claims 1 or 2, it is characterised in that support crossbeam（6''）With as solid outline or Person as closing hollow profile rectangle cross section.

4. according to the tables described in claims 1 or 2, it is characterised in that support crossbeam（6、6'）Possess with connection sheet （19）The support arm that angle is formed with the connection sheet with least one（16、18）Cross-sectional profiles, the cross-sectional profiles are preferred Ground has two connection sheets.

5. according to the tables described in claim 4, it is characterised in that the first axle of coordinate system（x）It is orthogonal to connection plate plane Move towards and second axis（y）It is orthogonal to support arm plane trend.

6. according to the tables described in claim 4, it is characterised in that support crossbeam（6,6'）Cross-sectional profiles include two branch Arm（16、18）, the support arm has different height.

7. according to the tables described in claim 4, it is characterised in that supporting crossbeam（6、6'）The second place in, it is higher Support arm（16）Towards tables bottom surface.

8. according to the tables described in claim 1, it is characterised in that support crossbeam（6、6'、6''）Have in its end section In first axle（x）Direction on reduce cross sectional dimensions.

9. according to the tables described in claim 4, it is characterised in that supporting crossbeam（6、6'）End section upper branch arm（16、 18）Possess the height or end section of reduction independently of support arm（16、18）.

10. according to the tables described in claim 1, it is characterised in that support crossbeam（6、6'）Have respectively on two ends End plate（20）, the end plate and holding meanss（7）Useful effect, crossbeam is supported for supporting（6、6'）.

11. according to the tables described in claim 10, it is characterised in that end plate（20）With opening and holding meanss（7）Tool There is support shaft, wherein support shaft is applied in opening.

12. according to the tables described in claim 11, it is characterised in that the opening is by elongated hole（21）Formed, the elongated hole Longitudinal extending direction is oriented orthogonally to plate plane is connected.

13. according to the tables described in claim 1, it is characterised in that at least one holding meanss（7）Including two rotary shafts Hold, support crossbeam（6、6'）Can be rotatably supported in the rolling bearing using its end.

14. according to the tables described in claim 13, it is characterised in that each rolling bearing includes bearing journal（12）And prop up Hold crossbeam（6、6'）There is the end plate for possessing opening respectively in end（20）, wherein bearing journal（12）It is applied to the opening In.

15. according to the tables described in claim 1, it is characterised in that holding meanss（7'）Including at least one hinge, the hinge With first axle fin（27）With second hinge fin, wherein first axle fin is fixed on tables（1）Upper and the second hinge Chain tab carrier supports crossbeam（6''）Or form support crossbeam（6''）.

16. according to the tables described in claim 1, it is characterised in that tables（1）Or at least one holding means（7、7'）Tool There are stop part or retainer, to limit support crossbeam（6、6'、6'''）Enter the second place and/or by the from first position Two positions enter rotational motion or the pivoting action of first position.

17. according to the tables described in claim 1, it is characterised in that at least one holding meanss（7、7'）With at least two For support crossbeam can be releasably secured（6、6'、6'''）Storing apparatus, wherein the first storing apparatus relative to second hold Device of receiving is disposed with supporting crossbeam（6、6'、6'''）Longitudinal extending direction angular deviation, wherein the angular deviation Preferably 90 °.

18. according to the tables described in claim 1, it is characterised in that for supporting crossbeam（6、6'、6'''）At least one guarantor Hold device（7、7'）In table（2）Lower section is respectively disposed in frame profiles（4）Inner side and/or table bottom surface on.

19. according to the tables described in claim 1, it is characterised in that support crossbeam（6、6'、6'''）It is arranged in tables（1）It is long In the zone line of the 30% to 70% of degree, tables are preferably arranged in（1）It is extremely excellent in the zone line of the 40% to 60% of length Selection of land is arranged in tables（1）Horizontal side or longitudinal side between middle part.