CN201164181Y

CN201164181Y - Telescopic folding multipurpose stand

Info

Publication number: CN201164181Y
Application number: CNU2007203102638U
Authority: CN
Inventors: 王志刚
Original assignee: Individual
Current assignee: Individual
Priority date: 2007-12-10
Filing date: 2007-12-10
Publication date: 2008-12-17
Anticipated expiration: 2017-12-10

Abstract

A telescopic and folding multifunctional bracket is mainly composed of a panel 1, a fixed mount 2, axle pins 3, supporting legs 4, a movable shaft rod 12 and tail margin sleeves 11, wherein, every supporting leg 4 is composed of an external bushing 5 and an internal bushing 8, the movable shaft rod 12 is inserted at the overlapping portion of the two supporting legs 4 crossed with each other by passing through the long circular slotted hole 6 and 9 on the internal and the external bushings, the external bushing 5 of the supporting leg 4 is provided with a limiting device 13 and a locating device 15. The bracket can achieve the adjustment for different heights and various angles of furniture by adjusting the relative position of the crossed supporting legs, shrinking the internal bushings, and making use of the limiting device and the locating device to control the crossed position of the supporting legs and the telescopic length of the internal bushing 8; the bracket has simple structure, convenient operation, wide use scale, telescopic and folding property, and convenient taking process, and the finished product is suitable for travel and field work.

Description

The telescopic folding multipurpose bracket

Affiliated technical field:

The utility model is a kind of furniture support, can be used for the bracing frame of apparatus such as desk, chair, stool, workbench, is particularly useful for various portable furniture.

Background technology:

General height of furniture such as the desk of current use or chair and angle are all unadjustable, some that occur on the market have the collapsible tables and chairs that maybe can shrink supporting leg, often adjust because of complex structure inconvenience, or be difficult to satisfy the instructions for use of people in different occasions because of regulating the rear stability difference, travel or field work, wishing has a kind of convenience to receive and keep, carry, transport, can degree of heightening varied angle and high tables and chairs and the various apparatus of stability.

Patent Office of the People's Republic of China (PRC), the patent No. 92236773.6 has been announced a kind of collapsible degree of heightening varied angle multipurpose bracket, it adopts support bar cross-over configuration structure, and on support bar, be provided with a series of adjusting pin-and-holes, by the active pin shaft on the plug adjustment hole, select position, corresponding hole, carrying out height regulates, during in addition by the not respective pin hole on selection two support bars, realized the panel adjustable angle, when folding wherein the upper rack posts of a support bar take off, be a co-rotation with another upper rack posts after, close up placement with another support bar.Above-mentioned support has adopted chi structure to improve the stability of support and has realized adjustable height, adjustable angle and stored collapsed, the people who has adapted to different heights, and need the crowd who adjusts different desktop angles to use, the scope of application strengthens, and having made things convenient for to deposit and transport has had significant improvement to foregoing problems.Need the plug active pin when adjusting height and translation-angle but exist, operation is difficulty, and the pivot pin that must unload when out on tours or stored collapsed on the lower carriage could be realized folding, operate more loaded down with trivial details, the part that unloads is also easily lost, and its support bar can not shrink in addition, and folding back support rod one end can exceed panel, volume is still bigger, and it is not too convenient to go out to carry.

Summary of the invention:

In order to overcome the deficiency of above-mentioned support, it is a kind of easy to use, collapsible that the utility model provides, and can shrink height and the support that angle can be regulated and stability is high.But supporting leg 4 and panel 1 integrator when not only carrying, and be to adjust highly or translation-angle all needn't be dismantled any part when using, just can realize adjustment.

The utility model for the technical scheme that solves its technical problem and adopt is, contraction of the present utility model folds multipurpose bracket, by panel 1, fixed mount 2, pivot pin 3, supporting leg 4, movable axostylus axostyle 12, ground footmuff 11 is formed, wherein fixed mount 2 is packed on the panel 1, and by pivot pin 3 hinged supporting legs 4, supporting leg 4 is made of outer tube 5 and inner sleeve 8, and wherein the corresponding nearby double-walled of downward termination has Long Circle slotted eye 6 from the center on outer tube 5, has Long Circle slotted eye 9 from the center to insertion end near corresponding double-walled on inner sleeve 8, and Long Circle slotted eye 6 equal and opposite in directions with outer tube 5, the position can overlap, and ground footmuff 11 is housed in the lower end of inner sleeve 8, and flexible bayonet lock 7 is housed between insertion end and the Long Circle slotted eye 9; Movable axostylus axostyle 12 passes the Long Circle slotted

eye

6 and 9 on the internal and external casing, is inserted into the cross-coincidence place of the supporting leg 4 of two cross-over configuration, on lateral surface stopping means 13 and positioner 15 is housed at the outer tube on the supporting leg 45.Stream oriented device is all made U-shaped or square, its upper end is hinged on the fixed mount 2, and be clamped in outer tube 5 both sides respectively by torsion spring 19, wherein stopping means 13 is provided with and oval slotted eye 6 corresponding a series of emboss pits 14, the bossing that plays the emboss pit 14 of position-limiting action surpasses the long limit of Long Circle slotted eye 6, be no more than position of center line, the least significant end of emboss pit 14 is mutually neat with the long limit of Long Circle slotted eye 6, shape matches with flexible bayonet lock 7 external diameters on movable axostylus axostyle 12 and the inner sleeve 8, and movable axostylus axostyle 12 and flexible bayonet lock 7 have been moved up and down position-limiting action along Long Circle slotted eye 6.Positioner 15 is provided with a series of grooves that play the role of positioning 16, its bossing surpasses the center line of Long Circle slotted eye 6, overage is the straight line perpendicular to the long limit of Long Circle slotted eye, negative area matches with movable axostylus axostyle 12 and flexible bayonet lock 7 external diameters, and slick and sly downwards connection Dou limit is to bossing, movable axostylus axostyle 12 and flexible bayonet lock 7 have been moved up and down unidirectional positioning action along Long Circle slotted eye 6, when applying external force, unidirectional motion downwards, when the movable axostylus axostyle 12 of needs and flexible bayonet lock 7 move upward, need move the projection 17 on the positioner 15, and block with screens sheet 18, adjust outer tube 5 or interior pipe 8, drive activity axostylus axostyle 12 moves to flexible bayonet lock 7 respectively needs the position, discharges screens sheet 18, and positioner 15 automatically resets under the effect of torsion spring 19, regulate simple and reliablely, a people gets final product easy manipulation.

After adopting such structure, because outer tube 5 and inner sleeve 8 all are provided with the Long Circle slotted eye, when shrinking, inner sleeve can be retracted in the outer tube and go, the outer tube that is installed with inner sleeve 5 of two intersections serves as that axle rotates also and can relatively move with movable axostylus axostyle 12 along Long Circle slotted eye 6 with pivot pin 3 respectively, propping up time-out drives inner sleeve 8 and stretches out and be X-shape, can driving inner sleeve 8 automatic drawing backs when packing up, to relatively move into a straight parallel linear, two intersect supporting leg also together at this moment, highly equal the height dimension of outer tube, its length equals the distance of two fixed mounts 2, when travelling is carried, be equivalent to only be with a panel, promptly make things convenient for again the not side of occupation of land, thereby realized collapsible shrinkable purpose.The qualifying bit device that is equipped with on the outer tube 5, it is selective to be provided with a series of spacing emboss pit 14 and detent 16, and then has realized that support can adjust the purpose of multiple height and angle.

The beneficial effects of the utility model are, this support is by changing height and angle to intersecting the relative position adjustment of supporting leg and the contraction of inner sleeve, and by position spacing and that positioner control supporting leg intersects, and the flexible length of inner sleeve, and then realized adjustment to multiple height of furniture and multiple angles, simple in structure, easy to operate, purposes is wide, can contraction fold, be easy to carry about with one, its primary raw material is commercially available standard metal tubing, draw materials extensively, easy to manufacture.

Below in conjunction with the drawings and specific embodiments, the utility model is described further.

Fig. 1 is used for the schematic diagram of desk for embodiment 1 provided by the utility model.

Fig. 2 is embodiment 1 a flexible bayonet lock assembling schematic diagram.

Fig. 3 is embodiment 1 an angular adjustment schematic diagram.

Fig. 4 removes the schematic diagram of positioner for embodiment 1.

Fig. 5 is embodiment 1 a folding schematic diagram.

Fig. 6 is used for the schematic diagram of bench for embodiment 2 provided by the utility model.

Fig. 7 is adjusted to the schematic diagram of campstool for embodiment 2.

1. panels among the figure, 2. fixed mount, 3. pivot pin, 4. supporting leg, 5. outer tube, 6. Long Circle slotted eye, 7. flexible bayonet lock, 8. inner sleeve, 9. Long Circle slotted eye, 10. extension spring, 11. ground footmuffs, 12. movable axostylus axostyle, 13. stopping means, 14. emboss pits, 15. positioner, 16. grooves, 17. flanges, 18. the screens sheet, 19. torsion springs, 20. springs.

The body embodiment:

Embodiment 1: be illustrated in figure 1 as a supporting leg telescopic folding, height of table top and all adjustable desk of angle.Wherein, panel 1 is by the pivot pin 3 on fixed thereon four fixed mounts 2, be installed in the upper end of outer tube 5 on the supporting leg 4, supporting leg 4 cross-over configuration, and constitute by outer tube 5 and inner sleeve 8, internal and external casing is respectively equipped with corresponding Long Circle slotted eye, and press the hole to the hole site suit, with the supporting leg 4 of this supporting leg of forming 4 with another cross-over configuration, the hole is corresponding to the hole, connect with movable axostylus axostyle 12, and serve as that axle rotates with the pivot pin on the fixed mount 23 separately.The movable axostylus axostyle 12 that is contained in the Long Circle slotted eye moves up and down along Long Circle slotted

eye

6 and 9, ground footmuff 11 is equipped with in inner sleeve 8 lower ends, contact with ground during placement, an end that on ground footmuff 11 center internal projection things, is connecting extension spring 10, its other end is contained on the movable axostylus axostyle 12, this moment is under the situation that is not subjected to external force, movable axostylus axostyle 12, to join with the bottom of the Long Circle slotted eye 9 of inner sleeve 8 all the time, when propping desk, only need open the outer tube 5 of two cross-over configuration, the length direction of the Long Circle slotted eye 6 of movable axostylus axostyle 12 on outer tube 5 drives inner sleeve 8 when moving and moves together, automatically stretch out or withdraw, its maximum outreach is the length of Long Circle slotted eye 6, and the pulling force that then needs to overcome extension spring 10 not enough the time as table height is outwards pulled out inner sleeve 8 parts again, pulls out the length that ultimate range is Long Circle slotted eye 9.When symmetry is adjusted the intersection relative position of supporting leg 4, movable axostylus axostyle 12 slides along the Long Circle slotted eye, and select corresponding detent 16, can realize the lifting of panel 1 height, make as desktop and to be of a size of 800mm * 800mm, it is long that outer tube 5 and inner sleeve 8 are made 600mm, and the height of table top adjusting range is at 0～960mm.When selecting asymmetric localization groove 16, can change the angle (seeing accompanying drawing 3) of desktop, the angle adjustment scope is between 0 °～30 °.When folding, move the projection 17 on the positioner 15, and block with banking stop 18, make detent 16 on this device move apart to the oval slotted eye 6 long limits (seeing accompanying drawing 5), pushing back inner sleeve 8 to the bottom of Long Circle slotted eye 9 respectively runs into till the movable axostylus axostyle 12, outer tube 5 to two sleeve pipes of depressing cross-over configuration simultaneously become the straight parallel wire, inner sleeve 8 remaining parts are under the effect of extension spring 9 simultaneously, automatically in the withdrawal outer tube 5, discharge screens sheet 18, positioner automatically resets and locking, can be with desk stored collapsed (seeing accompanying drawing 5), and the time spent does not take up room little.

Embodiment 2: be illustrated in figure 6 as a Folding stool, with a bench face is panel 1, desktop in the alternative embodiment 1, this moment, the length of supporting leg 4 internal and external casings was made identical with the length of bench panel, a common bench can be made into the portable folding bench of an adjustable height, adjustable angle, its angle is identical with embodiment 1 with the control method of height.Carry when going out, both can be adjusted to the height of campstool (seeing accompanying drawing 7), support can be turned up full blast again, making it become one can be for the high leg bench (seeing accompanying drawing 6) of adult's use, for example the bench face is made 300mm * 300mm, it is long that internal and external casing is made 280mm, and then the adjustable range of stool is 0～450mm, and angle is 0 °～30 °.Owing to adopt the supporting leg chi structure, make the bench supporting ﹠ stablizing, adjust angle bench can be used on the road surface of various injustice, be particularly useful for the field and fish, method for folding is identical with embodiment 1, is easy to carry.

The utility model can also need to support and require the support of height and adjustable angle furniture as student desk and chair, drawing table etc.

The utlity model has one multiplex, simple in structure, draw materials extensively, cost is low, volume Little, in light weight, the height angle all can regulate, adjust easily, adjusting range is big, and can shrink can Advantages such as folding, be convenient to deposit and carry is applicable to various furniture.

Claims

1, a kind of telescopic folding multipurpose bracket, by panel (1), fixed mount (2), pivot pin (3), supporting leg (4), movable axostylus axostyle (5), ground footmuff (11) is formed, fixed mount (2) is contained in panel (1) and upward and by pivot pin (3) flexibly connects supporting leg (4), it is characterized in that: supporting leg (4) is made of outer tube (5) and inner sleeve (8), the corresponding nearby double-walled of downward termination has Long Circle slotted eye (6) to outer tube (5) from the center, its inner sleeve (8) has Long Circle slotted eye (9) from the center to insertion end near corresponding double-walled, and with Long Circle slotted eye (6) equal and opposite in direction of outer tube (5), the position can overlap, and ground footmuff (11) is housed in the lower end, between another top and the Long Circle slotted eye (9) flexible bayonet lock (7) is housed, movable axostylus axostyle (12) passes oval slotted eye (6) and (9) on the internal and external casing, is inserted into the cross-coincidence place of cross-over configuration supporting leg (4), and stopping means (13) and positioner (15) are housed on the outer tube (5).

2, telescopic folding multipurpose bracket according to claim 1, it is characterized in that: stopping means (13) is provided with emboss pit (14), match with the external diameter of movable axostylus axostyle (12) and flexible bayonet lock (7) in its shape and position, positioner (15) is provided with detent (16), match with movable axostylus axostyle (12) and flexible bayonet lock (7) in its shape and position, and it is corresponding with the emboss pit (14) of stopping means (13), its lower end side, be provided with flange (17), screens sheet (18) is housed on it perpendicular to positioner.

3, telescopic folding multipurpose bracket according to claim 1 is characterized in that: the outer tube of (4) (5) and inner sleeve (8) can be made into equal in length on the supporting leg, between its length and two fixed mounts (2) apart from matching.Its cross section can be square, rectangle or circle, and the appearance and size of inner sleeve (8) matches with the interior shape size of outer tube (5).

4, telescopic folding multipurpose bracket according to claim 1 is characterized in that: at interior pipe (8) extension spring (10) is housed, an end is contained on the projection of ground footmuff (11), and the other end is contained on the movable axostylus axostyle (12).

5, telescopic folding multipurpose bracket according to claim 1, it is characterized in that: stopping means (13) and positioner (15) can be made into U-shaped or square, if emboss pit thereon (14) and groove (16) can be made into single or double, and match with torsion spring (19), be hinged on that fixed mount (2) is gone up and folder is attached to the both sides of outer tube (5) by pivot pin (3).