TWM572173U - Lifting adjusting and positioning device, lifting table legs and table with adjustable height - Google Patents

Abstract

A lifting adjustment positioning device, a lifting table leg and a height-changeable table, the lifting adjustment positioning device comprises a telescopic rod unit, a locking unit and a releasing unit. The telescopic rod unit includes a first rod and a second member that is slidable. The locking unit includes a pair of bit joints and an eccentric seat. The eccentric seat is movably sleeved on the first rod member, the eccentric seat has a hole, and the alignment joint is embedded in the eccentric seat when the second rod member moves from an extended position toward a retracted position. And the interlocking of the eccentric seat to be in close contact with the first rod prevents the second rod from moving. The release unit is movably coupled to the locking unit and configured to move the eccentric seat to a free state that is not in contact with the first member.

Description

Lifting and adjusting positioning device, lifting table legs and table with adjustable height

The invention relates to a table with a changeable height, in particular to a height-adjustable lifting and positioning device, a lifting table leg and a convertible height table.

Referring to FIG. 1, a bedside table 1 includes a table top 11, a telescopic column 12 connected to the bottom side of the table top 11, and a locking member 13 rotatably disposed on the telescopic column 12. The telescopic column 12 has a sleeve 121 and a plunger 122 slidably inserted into the sleeve 121 and connected to the table top 11. The locking member 13 is rotatably disposed through the sleeve 121 and is used to urge the plunger 122. By unscrewing the locking member 13 and pulling the table top 11 up and down to move the plunger 122 relative to the sleeve 121, the locking member 13 is screwed in and pressed against the plunger 122. The effect of adjusting the height of the bedside table 1 is achieved.

However, for a patient with a special situation, it is very difficult to pull the table 13 while the other hand is unscrewing the lock member 13. Therefore, the bed cannot be adjusted by itself when it is alone. The height of the side table 1 is extremely inconvenient and still needs improvement.

Therefore, the object of the present invention is to provide a lifting adjustment positioning device that is easy to adjust.

Therefore, the new lifting adjustment positioning device comprises a telescopic rod unit, a locking unit and a releasing unit.

The telescopic rod unit includes a first rod member and a second rod member slidably disposed on the first rod member, the first rod member having a bottom end and a reverse direction disposed in a height direction At the top end, the second rod member is movable relative to the first rod member in a folded position adjacent to a bottom end of the first rod member and an extended position away from a bottom end of the first rod member. The locking unit is mounted to the telescopic rod unit and moves between the retracted position and the extended position as the second rod member includes a pair of bit joints and an eccentric seat. The alignment joint is connected to the bottom side of the second rod and sleeved on the first rod, and the alignment joint has a downwardly extending and gradually retracting tapered portion. The eccentric seat is movably sleeved on the first rod and releasably fitted to the alignment joint, the eccentric seat has a body, and a fitting portion extending upward from the body, the body having Defining an inner peripheral surface of a through hole, the fitting portion having a hole eccentrically misaligned with the through hole and communicating with each other, when the second rod is moved from the extended position toward the folded position, the second The rod member drives the taper portion of the alignment joint to be engaged with the bore of the eccentric seat, and a part of the inner peripheral surface of the through hole that is moved to the side of the eccentric seat is closely attached to the first rod and enters a locked state that prevents the second lever from moving toward the retracted position. The releasing unit is movably connected to the locking unit, and the releasing unit is configured to drive the eccentric seat to move to a free state in which the inner circumferential surface of the through hole of the body does not contact the first rod.

Another object of the present invention is to provide a liftable table leg having the above-described lift adjustment positioning device and which is easy to adjust.

Therefore, the novel lifting table leg comprises a pipe fitting unit and a lifting adjustment positioning device.

The tube unit includes an inner tube and an outer tube slidably sleeved outside the inner tube. The lifting adjustment positioning device is configured to drive the outer tube to move relative to the inner tube to elongate or shorten the tube unit.

It is yet another object of the present invention to provide a table having a convertible height having the above-described table legs that can be raised and lowered and that facilitates height adjustment.

Thus, the novel height-changeable table includes a table top and a table leg that can be raised and lowered, and the liftable table legs are coupled to the table top.

The utility model has the advantages that the locking unit of the lifting and lowering positioning device extends the telescopic rod unit to raise the table to a predetermined height and is positioned, and the telescopic rod unit can be shortened by the releasing unit. After the table is lowered to a predetermined height, the positioning is again performed. Therefore, it is convenient to adjust the height of the table, and the operation is quite convenient.

Referring to Figure 2, an embodiment of the table of varying heights of the present invention includes a table 2 and a table 3 for lifting. This embodiment is described by a bedside table of the liftable table legs 3 in a number of ones. However, in other variations, for example, when the table board 2 has a long length, two of the liftable tables can also be used. The table legs 3 are matched with the table 2, and are not limited thereto.

The table 2 includes a table front side 21 and a reversely disposed table back side 22. The elevating table leg 3 is located on one side of the table 2 and is coupled to the table back 22 of the table 2 and stands on the ground through an I-shaped stand 23. In other variations, the elevating table leg 3 can also be attached to the side of the table 2, and its position can be adjusted according to actual needs.

Referring to FIGS. 3, 4 and 5, the hoistable table leg 3 includes a tube unit 4, a sliding unit 5, and a lifting adjustment positioning device 300.

The tube unit 4 includes a hollow inner tube 41 extending in a height direction H, an outer tube 42 slidably disposed outside the inner tube 41 along the height direction H, and a tube 42 connected thereto. The top side top plate 43 and a bottom plate 44 connected to the bottom side of the inner tube 41. The inner tube 41 has a plurality of mounting grooves 411 formed on both sides, and the mounting grooves 411 are formed in groups of two and spaced apart in the height direction H by a distance.

The sliding unit 5 is disposed at a top end of the inner tube 41 and volutely contacts the outer tube 42. Preferably, the sliding unit 5 includes a plurality of rotating members 51 rotatably contacting the outer tube 42, and a plurality of connections The interlocking lever 52 of the rotating member 51. The rotating members 51 are respectively disposed corresponding to the mounting grooves 411 of the inner tube 41 and exposed to the mounting grooves 411, thereby making the outer tube 42 smoother when sliding relative to the inner tube 41, and It won't shake relative to each other. In particular, each of the rotating members 51 is a roller in this embodiment, and the linking rods 52 are interconnected in the two different directions of the height direction H and the height direction H, not only in the When the sliding unit 5 is assembled to the inner tube 41, it is convenient and time-saving, and all of the rotating members 51 can be in contact with the outer tube 42, and the smoothness of the outer tube 42 can be improved.

Referring to FIGS. 5 and 6 , the lift adjustment positioning device 300 includes a telescopic rod unit 6 , a locking unit 7 , and a release unit 8 .

The telescopic rod unit 6 includes a first rod member 61 connected to the bottom plate 44 of the tube unit 4, and a second rod 43 connected to the top plate 43 of the tube unit 4 and slidably disposed on the first rod member 61. The rod member 62, in the present embodiment, the telescopic rod unit 6 is a gas pressure rod. In detail, the first rod member 61 has a bottom end 611 and a top end 612 which are oppositely disposed in the height direction H. The bottom end 611 is connected to the bottom plate 44 of the tube unit 4, and the top end 612 is accommodated in the bottom plate 412. The second rod 62 is inside. The second rod member 62 has a fixed end 621 and a movable end 622 which are oppositely disposed in the height direction H. The fixed end 621 is connected to the top plate 43 of the tube unit 4. In the embodiment, the second rod member 62 has a second rod body 623 and a set of mounting sleeves 624 fixed to the bottom end of the second rod body 623. The second rod member 62 is adjacent to a folding position of the first rod member 61 near the bottom end 611 of the first rod member 61 at the movable end 622, and the movable end portion 622 is away from the first rod member 61. The bottom end 611 is moved between an extended position, whereby the outer tube 42 is movable relative to the inner tube 41, thereby adjusting the height of the table of the convertible height of the present embodiment.

Referring to FIGS. 6-8, the locking unit 7 is mounted to the telescopic rod unit 6, and as the second rod member 62 moves between the retracted position and the extended position, the locking unit 7 includes a pair of bit joints. 71. An eccentric seat 72, a support base 73, and an elastic member 74.

The alignment joint 71 is substantially frustoconical. The alignment joint 71 is connected to the bottom side of the mounting sleeve 624 of the second rod 62 and is sleeved on the first rod 61. The alignment joint 71 has a main body portion 711 connected to the second rod member 62, a tapered portion 712 extending downward from the main body portion 711 and gradually retracting, and a through portion 711 and the tapered portion 712. The through hole 713 is provided for the first rod member 61 to pass through.

The eccentric seat 72 is located below the alignment joint 71 and is movably sleeved on the first rod member 61 and is releasably fitted to the alignment joint 71. The eccentric seat 72 has a body 721, two side wings 722 formed on two sides of the body 721, and a fitting portion 723 extending upward from the body 721. The body 721 has an inner circumferential surface 7211 defining a through hole 720. The fitting portion 723 has a hole 7230, and the hole 7230 is eccentrically displaced from the through hole 720 and communicates with each other.

The support base 73 is coupled to the mounting sleeve 624 of the second rod 62 and movably sleeved to the first rod 61. The support base 73 has a set of seats 731 disposed on the first rod member 61, and two ears 732 spaced apart from each other and extending upward from the seat body 731 in the height direction H.

The elastic member 74 is elastically engaged between the eccentric seat 72 and the support base 73. In the embodiment, the elastic member 74 is a compression spring.

The releasing unit 8 is movably connected to the locking unit 7 , and the releasing unit 8 includes a pressing member 81 pivotally disposed on the supporting seat 73 of the locking unit 7 , and is connected to the pressing member 81 . A pulling member 82 for driving the pressing member 81 to rotate relative to the supporting base 73. In this embodiment, the pressing member 81 has a side wall 811 surrounding the supporting base 73, and a receiving space 810 defined by the side wall 811. The side wall 811 has two oppositely disposed pivot holes. 812, and a hook hole 813 between the pivot holes 812, the pivot holes 812 of the pressing member 81 are respectively pivotally connected to the ears 732 of the support base 73. The hooking member 82 has a hook 821 that is hooked on the hook hole 813 of the pressing member 81 and extends upward to a fixed end 621 of the second rod 62, and is connected to the hook 821. The trigger piece 822 is exposed to the tube unit 4 (see Fig. 4).

Therefore, when the table of the convertible height is to be raised, the second rod 62 of the lifting and lowering positioning device 300 can be moved to the extended position by moving the table 2 and moving upwards. The tube unit 4 is elongated, thereby raising the table of the convertible height, which is quite convenient in operation.

When the table 2 is directly pressed, the second rod 62 is moved from the extended position toward the folded position. At this time, the tapered portion 712 of the alignment joint 71 is embedded in the eccentric seat 72. a hole 7230, and a portion of the inner peripheral surface 7211 of the through hole 720 is moved to the first rod member 61, and the second rod member 62 is prevented from continuing to the folded position. The locked state of the movement, therefore, there is no problem when the item (not shown) is placed on the table of the convertible height.

If the table of the height changeable height is to be lowered, the pulling piece 822 of the hooking member 82 is only required to be pulled by one hand, and the pulling rod 821 drives the pressing member 81 to pivot and interlocks the eccentric seat 72 to rotate to The through hole 720 is in a free state in which the first rod member 61 is not in contact with each other. At this time, the height can be lowered by pressing down the table of the convertible height.

In summary, the table of the height changeable table of the present invention can be extended, shortened and positioned by the locking unit 7 of the lifting and lowering positioning device 300 and the releasing unit 8. The lifting table leg 3 is raised or lowered to change the height of the table 2, and the purpose of adjusting the height of the table with the changeable height is very convenient. Therefore, it is indeed possible to achieve the purpose of the present invention.

However, the above is only the embodiment of the present invention, and when it is not possible to limit the scope of the present invention, all the simple equivalent changes and modifications according to the scope of the patent application and the contents of the patent specification are still This new patent covers the scope.

2‧‧‧Table board

21‧‧‧ table front

22‧‧‧Back of the table

23‧‧‧ foot stand

3‧‧‧Table legs that can be raised and lowered

300‧‧‧ Lifting and positioning device

4‧‧‧Fitting unit

41‧‧‧Inside

411‧‧‧Installation slot

42‧‧‧External management

43‧‧‧ top board

44‧‧‧floor

5‧‧‧Sliding unit

51‧‧‧Rotating parts

52‧‧‧ linkage rod

6‧‧‧ Telescopic rod unit

61‧‧‧First member

611‧‧‧ bottom

612‧‧‧Top

62‧‧‧Second bars

621‧‧‧ fixed end

622‧‧‧ active end

623‧‧‧Second body

624‧‧‧Installation sleeve

7‧‧‧Lock unit

71‧‧‧ alignment joint

711‧‧‧ Main body

712‧‧‧ Cone

713‧‧‧Perforation

72‧‧‧Eccentric seat

720‧‧‧through hole

721‧‧‧Ontology

7211‧‧‧ inner circumference

722‧‧‧Flanking

723‧‧‧Mate

7230‧‧‧ hole

73‧‧‧ support

731‧‧‧ body

732‧‧‧ ear

74‧‧‧Flexible parts

8‧‧‧Remove unit

81‧‧‧Resistance parts

810‧‧‧ accommodation space

811‧‧‧ side wall

812‧‧‧ pivot hole

813‧‧‧ hook hole

82‧‧‧Ticker

821‧‧‧拉勾

822‧‧‧ flipper

H‧‧‧ Height direction

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is a perspective view of a prior art bedside table; FIG. 2 is an embodiment of the novel height changeable table. 3 is a perspective view of a liftable table leg of the embodiment; FIG. 4 is a view similar to FIG. 3, illustrating a state in which a telescopic rod unit of the liftable table leg is extended. Figure 5 is an exploded perspective view of the liftable table legs; Figure 6 is an incomplete partial enlarged perspective view of the liftable table legs; Figure 7 is a release unit and a lock of the liftable table legs An exploded perspective view of the unit; and FIG. 8 is a cross-sectional view taken from FIG. 6, illustrating that when a second member of the telescopic rod unit is pressed down, a pair of joints of the locking unit are embedded An eccentric seat moves the eccentric seat to a locked state to prevent the telescopic rod unit from being shortened.

Claims (10)

A lifting adjustment positioning device comprising: a telescopic rod unit comprising a first rod member and a second rod member slidably disposed on the first rod member, the first rod member having a height direction a bottom end and a top end disposed oppositely, the second rod member being detachable relative to the first rod member at a bottom end of the first rod member, and a bottom portion away from the bottom end of the first rod member Moving between the extended positions; a locking unit mounted on the telescopic rod unit and moving between the retracted position and the extended position, the locking unit comprising: a pair of bit joints connected to the first a bottom side of the two rods and sleeved on the first rod member, the alignment joint has a downwardly extending and gradually retracting tapered portion, and an eccentric seat movably sleeved on the first rod member Removably embedded in the alignment joint, the eccentric seat has a body, and a fitting portion extending upward from the body, the body having an inner circumferential surface defining a through hole, the fitting portion having a hole eccentrically misaligned with the through hole and communicating with each other, when the second rod is extended by the second rod When the long position moves toward the folding position, the second rod member drives the taper portion of the alignment joint to be engaged with the hole of the eccentric seat, and moves the eccentric seat side to the inner circumference of the through hole of the body. a part of the surface abuts against the first rod and enters a locked state for preventing the second rod from moving toward the folding position; and a releasing unit movably connected to the locking unit, the releasing unit is used for driving The eccentric seat moves to a free state in which the inner peripheral surface of the through hole of the body does not contact the first rod. The lifting adjustment positioning device of claim 1, wherein the locking unit further comprises a support seat coupled to the bottom end of the second rod and movably sleeved on the first rod, and a spring An elastic member between the eccentric seat and the support base, the release unit includes a pressing member pivotally disposed on the support base of the locking unit, and is coupled to the pressing member and configured to drive the pressing member A hooking member that rotates relative to the support base. The lifting adjustment positioning device according to claim 2, wherein the alignment joint has a main body portion connected to the second rod member, a tapered portion extending downward from the main body portion and gradually retracting, and a cone portion The perforation is through the perforation of the main body portion and the tapered portion for the first rod to pass through. The lifting adjustment positioning device of claim 3, wherein the eccentric seat further has at least one side wing portion formed on one side of the body, the hooking member is configured to pull the pressing member to rotate to a side pressure on the eccentric seat The flank portion drives the eccentric seat to rotate to the free state. The lifting adjustment positioning device of claim 4, wherein the pressing member has a side wall surrounding the supporting seat, the side wall has two oppositely disposed pivot holes, and a hole between the pivot holes The hooking member has a pull hook that is hooked on the hook hole of the pressing member and extends upward, and a pulling piece connected to the pulling hook and adjacent to the top side of the second rod. The lifting adjustment positioning device of claim 5, wherein the support base of the locking unit has a set of seats disposed on the first rod member, and two spaced apart ears extending upward from the seat body The ears are respectively pivotally connected to the pivot holes of the pressing member. A lifting table leg comprising: a tube unit comprising an inner tube and an outer tube slidably sleeved outside the inner tube; and as claimed in any one of claims 1 to 6. The lifting adjustment positioning device is configured to drive the outer tube to move relative to the inner tube to extend or shorten the tube unit. The elevating table leg according to claim 7, further comprising a sliding unit disposed on the inner tube and rotatably contacting the outer tube, the sliding unit including a plurality of rotating members rotatably contacting the outer tube. The lifting table leg according to claim 8, wherein the sliding unit further comprises a plurality of linking rods connecting the rotating members, the inner tube having a plurality of mounting grooves formed on the two sides, the rotating members respectively The installation slots should be arranged and exposed to the mounting slots. A table of changeable heights, comprising: a table; and a lifting table leg as claimed in claim 7, wherein the lifting table legs are coupled to the table.