CN209421290U

CN209421290U - Height adjustable feet

Info

Publication number: CN209421290U
Application number: CN201821255145.6U
Authority: CN
Inventors: 可文山
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-08-06
Filing date: 2018-08-06
Publication date: 2019-09-24
Anticipated expiration: 2028-08-06

Abstract

The utility model relates to a kind of height adjustable feets, and it includes have a fixed outer tube, a movable internal pipe and multiple rolling members.Wherein, movable internal pipe has parallel each other two the first outer surfaces and two the second outer surfaces, and the adjustable pipe can displaceably be sleeved and fixed outer tube along this short transverse.The multiple rolling member be can original place be rollably set to first or second outer surface, rolling member is the tube wall for locally protruding first or second outer surface and contacting the fixed outer tube, so that the multiple rolling member can roll when movable internal pipe displacement.By the design of above-mentioned rolling member, the frictional force that can be effectively reduced between fixed outer tube and movable internal pipe.

Description

Height adjustable feet

Technical field

The utility model is a kind of feet, particularly relates to a kind of height adjustable feet.

Background technique

General common desk, table for computer or desk, in order to adapt to different users to the need of height of table top It asks, one group of adjustment device would generally be set in its configuration aspects to allow user that can adjust the height of feet at any time.With what is commonly used Mainly include a fixed outer tube and one is arranged in movable internal pipe in fixed inner tube for height adjustable feet, passes through The upper and lower displacement of the relatively fixed outer tube of movable internal pipe, that is, can reach the effect of adjustment feet height.

However, fixed outer tube and movable internal pipe are easy to produce therebetween friction, and then generate in fixed outer tube and activity The problem of managing surface abrasion and abnormal sound between the two, therefore the height adjustable feet commonly used still has improvement in structure Space.

Summary of the invention

In view of the above-mentioned problems, the main purpose of the utility model is that making improvement for traditional Table legs structure, in turn A kind of height adjustable feet is provided, during adjusting height, the case where surface abrasion can be reduced.

In order to achieve the above objectives, a kind of height adjustable feet provided by the utility model, it is characterised in that include Have: a fixed outer tube；One movable internal pipe, in a hollow square column with two parallel each other the first outer surfaces and each other Two the second outer surfaces being parallel to each other, the movable internal pipe have a short transverse, and the movable internal pipe can be along the height Direction and be displaceably socketed the fixed outer tube；Multiple rolling members, can original place be rollably set to 2 first outer surface or 2 second outer surface, each rolling member locally protrude 2 first outer surface or 2 second outer surface and The tube wall of the fixed outer tube is contacted, so that when the movable internal pipe is displaced along the short transverse, each rolling member energy It rolls.

In above-mentioned the technical solution of the utility model, each rolling member includes an axis of rolling and two wheel bodys, and described two Wheel body is socketed on two opposite ends of the axis of rolling.

Two wheel body is to be socketed on two opposite ends of the axis of rolling with being able to rotate.

Each rolling member is while energy original place is rollably set to 2 first outer surface and 2 second outer surface.

It also include a bushing, the bushing is in a hollow square column and is socketed in the movable internal pipe, and each described the One outer surface and each second outer surface are designed with an at least accommodation groove, each at least configuration of an accommodation groove with it is each described The configuration of the section of rolling member is identical, and each rolling member is to be set to each accommodation groove correspondingly and be all resisted against institute State the outside wall surface of bushing.

The outside wall surface of the bushing is further provided with multiple apertures, and the position of each aperture is to correspond each rolling member Each wheel body position.

Each rolling member is a ball or a cylindrical roller.

It also include an air pressure rod, the air pressure rod has a telescopic rod, and the fixed outer tube has a bottom plate, the gas Pressure bar is set to the movable internal pipe and the end of the telescopic rod connects the bottom plate.

It also include four plate bodys, four plate body is respectively and fixedly connected with the inner wall of the movable internal pipe, each first outer surface An at least accommodation groove, each at least configuration of an accommodation groove and each rolling member are designed with each second outer surface The configuration of section is identical, and each rolling member is to be set to each accommodation groove correspondingly and be all resisted against four plate body One of in.

By adopting the above technical scheme, when a user needs to adjust the height of feet and moves up movable internal pipe, activity Inner tube can reduce the frictional force between fixed outer tube and movable internal pipe by the rolling of rolling member, reduce movable internal pipe and consolidate Determine the surface abrasion between outer tube and is not likely to produce abnormal sound.

Detailed description of the invention

Fig. 1 is the perspective view of the feet of the utility model embodiment, wherein being the position for being painted fixed outer tube with imaginary line；

Fig. 2 is the exploded view of the utility model embodiment feet；

Fig. 3 is the enlarged drawing of the rolling member in the utility model embodiment；

Fig. 4 is the perspective view of the movable internal pipe in the utility model embodiment；

Fig. 5 is the enlarged drawing of the bushing in the utility model embodiment；

Fig. 6 A and Fig. 6 B is the action schematic diagram of the utility model feet.

Specific embodiment

Now lift following embodiment and in conjunction with attached drawing to the detailed construction of the utility model, feature, assembling or usage mode into Row is described in detail, it should be appreciated, however, that the embodiment and schema that will be described below only are only used as illustratively illustrating, Its scope of patent protection that should not be taken to limit the utility model.

Cooperate attached drawing below by way of cited several embodiments, the technology contents and feature of embodiment are described in detail, with "upper", "lower" mentioned in lower embodiment, "inner", "outside", "top", "bottom" isotropy describe term, only normally to make Term is described with the illustration on the basis of direction, is not construed as limiting the purpose of protection scope.

Now it is described as follows for an embodiment.As shown in Figures 1 and 2, feet 1 includes a fixed outer tube 10, in an activity 20,12 rolling members 30 of pipe and a bushing 40, in which:

Fixed outer tube 10 is in a hollow square column, and cross section is equipped with an opening in a square, the top of fixed outer tube 10 11 and bottom end be equipped with a bottom plate 12.

Movable internal pipe 20 is also in a hollow square column, and cross section is also in a square and has a height direction H (Yu Benshi It applies in example, height direction H is equal to the axial direction of movable internal pipe 20).Movable internal pipe 20 has parallel two first each other Outer surface 21 and two the second outer surfaces 22.As shown in Fig. 2 and Fig. 4, the first outer surface 21 and the second outer surface 22 are designed with three A accommodation groove 23, three accommodation grooves 23 are to be arranged at interval in the upper and lower, and appoint and be equipped with a positioning between two adjacent accommodation grooves 23 Hole 24, the position of location hole 24 and the screw hole 42 of bushing 40 are corresponding (as shown in Figure 5).The configuration of accommodation groove 23 generally with The configuration of the section of rolling member 30 is identical, and each accommodation groove 23 is for one of rolling member is arranged correspondingly 30.Movable internal pipe 20 can be displaceably socketed in fixed outer tube 10 along height direction H, and the top of movable internal pipe 20 is For fixing a desktop (not shown).As shown in Fig. 2 and Fig. 6 A, an air pressure rod 7 is equipped in movable internal pipe 20, air pressure rod 7 Top is equipped with a switch base 8, is equipped with a touch switch 81 in switch base 8.Air pressure rod 7 has a telescopic rod 9, the end of telescopic rod 9 Affixed bottom plate 12 is held, when touch switch 81 is pressed, air pressure rod 7 will be extended telescopic rod 9 by driving, and then make movable internal pipe 20 can be displaced upward (as shown in figs. 6 a and 6b) relative to fixed outer tube 10.

It please then refer to shown in Fig. 2 and Fig. 3.Each rolling member 30 can original place be rollably set to the first outer surface 21 and The accommodation groove 23 of two outer surfaces 22, each rolling member 30 include an axis of rolling 31 and two wheel bodys 32, two wheel bodys in structure 32 are all in the structure of a hollow cylindrical and are rotationally to be socketed on two opposite ends of the axis of rolling 31, i.e., wheel body 32 is not solid Connect the axis of rolling 31.

It please refers to shown in Fig. 2 and Fig. 5, bushing 40 is socketed in movable internal pipe 20 and by screw (not shown) and positioning Hole 24 and with movable internal pipe 20 locking be integrated.Bushing 40 is the structure that a hollow square column is connected by four plate bodys 41, each Plate body 41 is designed with two screw holes 42 and six apertures 43, and the position of aperture 43 is corresponded in wheel body 32.Such as Fig. 6 A institute Show, when rolling member 30 is set to accommodation groove 23 and movable internal pipe 20 is socketed in fixed outer tube 10, the axis of rolling 31 is resisted against Position 44 between two apertures 43 of the outside wall surface of the plate body 41 of bushing 40, wheel body 32 are not resisted against the outer wall of plate body 41 Face, but wheel body 32 is locally to protrude from the first outer surface 21 or the second outer surface 22 and the tube wall for contacting fixed outer tube 10.

It is worth noting that although being to fix movable internal pipe 20 and bushing 40 using screw in embodiment, it is also optional It selects and four plate bodys 41 is respectively welded in the inner wall of movable internal pipe 20, movable internal pipe 20 and bushing 40 can also be steadily combined into One.In addition, rolling member 30 is assembled between movable internal pipe 20 and fixed outer tube 10 for convenience, it can be in advance by rolling member 30 It coats one layer of gelatinous lubricating oil and rolling member 30 is then placed in accommodation groove 23 to (bushing 40 has been attached in activity at this time In pipe 20), lubricating oil can be such that rolling member 30 is attached in accommodation groove 23, can avoid being socketed on outside fixed when by movable internal pipe 20 During pipe 10, rolling member 30 falls off from movable internal pipe 20.

In practical operation, when movable internal pipe 20 does not increase (as shown in Figure 6A), rolling member 30 is to be placed in appearance at this time Slot 23 is set, the axis of rolling 31 is resisted against the position 44 of the outside wall surface of bushing 40, and 32 one side of wheel body is to be placed in the aperture of bushing 40 43, another aspect wheel body 32 is about contacting the inner wall of fixed outer tube 10 in a manner of point contact.When a user will adjust foot Height and when pressing touch switch 81, air pressure rod 7 will be extended telescopic rod 9 (as shown in Figure 6B) by driving, and then make activity Inner tube 20 moves and increases the height of feet 1 along height direction H.In the moving process of movable internal pipe 20, rolling member 30 Wheel body 32 or the axis of rolling 31 will be scrolled (or the two synchronous rolling), thus significantly reduce movable internal pipe 20 and fixed The frictional force between the two of outer tube 10, a possibility that significantly reducing surface abrasion and generate abnormal sound.

The above description is only the embodiments of the present invention, all to be done according to the utility model specification and claims Equivalent changes and modifications should belong to the patent protection covering scope of the utility model.

Claims

1. a kind of height adjustable feet, it is characterised in that include:

One fixed outer tube；

One movable internal pipe, have in a hollow square column each other parallel two the first outer surfaces with it is parallel each other Two the second outer surfaces, the movable internal pipe have a short transverse, and the movable internal pipe can position along the short transverse It moves ground and is socketed the fixed outer tube；

Multiple rolling members, energy original place are rollably set to 2 first outer surface or 2 second outer surface, each rolling Part locally protrudes 2 first outer surface or 2 second outer surface and the tube wall for contacting the fixed outer tube, so that When the movable internal pipe is displaced along the short transverse, each rolling member can be rolled.

2. height adjustable feet as described in claim 1, it is characterised in that: each rolling member includes an axis of rolling With two wheel bodys, two wheel body is socketed on two opposite ends of the axis of rolling.

3. height adjustable feet as claimed in claim 2, it is characterised in that: two wheel body is to be socketed on being able to rotate Two opposite ends of the axis of rolling.

4. height adjustable feet as claimed in claim 2, it is characterised in that: each rolling member is while can original place rolling It is set to 2 first outer surface and 2 second outer surface dynamicly.

5. height adjustable feet as claimed in claim 4, it is characterised in that: also include a bushing, the bushing is in One hollow square column and be socketed in the movable internal pipe, each first outer surface and each second outer surface be designed with to A few accommodation groove, each at least configuration of an accommodation groove is identical as the configuration of section of each rolling member, each rolling Part is the outside wall surface for being set to each accommodation groove correspondingly and being all resisted against the bushing.

6. height adjustable feet as claimed in claim 5, it is characterised in that: the outside wall surface of the bushing is further provided with multiple Aperture, the position of each aperture are the positions for corresponding each wheel body of each rolling member.

7. height adjustable feet as described in claim 1, it is characterised in that: also include a bushing, the bushing is in One hollow square column and be socketed in the movable internal pipe, each first outer surface and each second outer surface be designed with to A few accommodation groove, each at least configuration of an accommodation groove is identical as the configuration of section of each rolling member, each rolling Part is the outside wall surface for being set to each accommodation groove correspondingly and being all resisted against the bushing.

8. height adjustable feet as claimed in claim 1 or 7, it is characterised in that: each rolling member be a ball or A cylindrical roller.

9. height adjustable feet as described in claim 1, it is characterised in that: also include an air pressure rod, the air pressure Stick has a telescopic rod, and the fixed outer tube has a bottom plate, and the air pressure rod is set to the movable internal pipe and described flexible The end of bar connects the bottom plate.

10. height adjustable feet as described in claim 1, it is characterised in that: it also include four plate bodys, four plate body It is respectively and fixedly connected with the inner wall of the movable internal pipe, each first outer surface and each second outer surface are designed at least one accommodating Slot, each at least configuration of an accommodation groove is identical as the configuration of section of each rolling member, and each rolling member is one by one One of be accordingly set to each accommodation groove and be all resisted against in four plate body.