CN219762747U

CN219762747U - Liftable table leg

Info

Publication number: CN219762747U
Application number: CN202321224391.6U
Authority: CN
Inventors: 曲昭杰
Original assignee: Dongying Ruiou Precision Machinery Co ltd
Current assignee: Dongying Ruiou Precision Machinery Co ltd
Priority date: 2023-05-19
Filing date: 2023-05-19
Publication date: 2023-09-29
Anticipated expiration: 2033-05-19

Abstract

The utility model discloses a liftable table leg, which comprises a gasket, wherein an upper extension rod is fixedly connected to the lower surface of the gasket, an upper fastening ring is connected to the outer surface of the upper extension rod in a sliding manner, an upper fastening groove is formed in the upper fastening ring, a lower extension rod is fixedly connected to the inner surface of the upper fastening ring, a lower fastening ring is connected to the outer surface of the lower extension rod in a sliding manner, a lower fastening groove is formed in the lower fastening ring, a bottom rod is fixedly connected to the inner surface of the lower fastening groove, a chassis is fixedly connected to the lower surface of the bottom rod, a screw block is fixedly connected to the lower surface of the chassis, and a bottom connecting plate is arranged at the bottom of the screw block.

Description

Liftable table leg

Technical Field

The utility model relates to the technical field of lifting tables, in particular to a lifting table leg.

Background

The sitting is found in daily activities after the human walks vertically, which is beneficial to reducing fatigue, so that the sitting tool is invented. The sitting working mode is carried along, but as the sitting working time of people is longer and longer, people are gradually aware that sitting is unfavorable for improving working efficiency, people start to try sitting-standing alternating working, gradually lifting tables are also used, and standing working of the lifting tables is a popular healthy working mode.

In the prior art, the method has the following publication number: the liftable desk leg structure of CN209251923U comprises a fixed frame, an automatic telescopic rod structure, an outer sleeve, an inner sleeve and a plurality of groups of bearings, wherein one end of the outer sleeve is fixedly connected with the fixed frame, the automatic telescopic rod structure is positioned in the outer sleeve, and a plurality of guide rails extending along the length direction of the outer sleeve are arranged on the inner peripheral surface of the outer sleeve; the inner sleeve is movably sleeved in the outer sleeve, one end of the inner sleeve is fixedly connected with the telescopic rod, and the inner sleeve is driven to extend out of or retract into the outer sleeve by automatic telescopic action of the telescopic rod; the inner sleeve is provided with a first locking part; the bearing comprises an inner ring, an outer ring and a second locking part, wherein the second locking part is fixedly connected with the inner ring and is matched with the first locking part in a locking way, and the outer ring is rotatably sleeved outside the inner ring and extends into the guide rail to be matched with the guide rail in a guiding way. The desk leg is more compact in structure, and can greatly improve the problem of shaking at the highest point; meanwhile, the outer ring of the bearing is in line contact with the guide rail, so that the contact area is greatly reduced, friction is reduced, and noise can be reduced; and is convenient to install.

Although the above patent has the technical advantages as described above, it is disadvantageous in that the factors of the working environment are not considered, the equipment is possibly damaged and is not easy to repair because the working environment is wet and easy to corrode, and the strength for positioning is not too deep when weighing, the expansion and contraction failure is possibly caused when the weighing is carried excessively, and the internal structure is seriously damaged.

Disclosure of Invention

In order to achieve the above purpose, the utility model is realized by the following technical scheme: liftable table leg, including gasket, its characterized in that: the lower surface fixedly connected with of gasket goes up the extension rod, go up the surface sliding connection of extension rod and have last fastening ring, go up the inside of fastening ring and be provided with the fastening groove, go up the internal surface fixedly connected with of fastening ring and stretch the rod down, the surface sliding connection of extension rod has lower fastening ring down, the inside of lower fastening ring is provided with down the fastening groove, the internal surface fixedly connected with end position pole of lower fastening groove, the lower surface fixedly connected with chassis of end position pole has realized the function that the table leg can accurately be adjusted and go up and down and fixed height above the function.

Preferably, the lower fixed surface of chassis is connected with the spiral shell piece, the bottom of spiral shell piece is provided with the bottom connection board, the inside fixedly connected with of bottom connection board is the gas lever down, the surface sliding connection of gas lever has down the gas bar down, the sleeve has been cup jointed at the top of gas lever down, telescopic surface fixedly connected with L type connection piece, the upper surface threaded connection of L type connection piece bottom has the gas bar, the internal surface sliding connection of going up the gas bar has the gas lever, the top of going up the gas lever and the top fixed connection of last projecting rod have realized the gas bar and have promoted the function that goes up projecting rod and lower projecting rod are gone up and go up the lift in coordination.

Preferably, the lower surface fixedly connected with of lower extension rod stretches the pole circle, the upper surface of extension rod circle is provided with the spacing collar, spacing collar surface and lower fastening ring fixed connection, the surface fixedly connected with fastening seat of lower fastening ring, the inside of fastening seat is provided with the fastening rod, the surface of fastening rod is provided with the spring, the one end and the surface fixed connection of fastening seat of spring, the other end fixedly connected with packing ring of spring, the internal surface of packing ring and the surface sliding connection of fastening rod, the surface and the surface fixed connection of lower fastening ring of packing ring, the one end rotation of fastening rod is connected with the spanner, the screw has been seted up to the inside of packing ring, the internal thread connection of packing ring has a top bolt, the surface of top bolt and the top threaded connection of last extension rod, above function has realized the function of going up fastening ring and lower fastening ring location.

The beneficial effects of the utility model are as follows:

1. according to the utility model, by arranging the spanner, when both the upper extension rod and the lower extension rod are positioned in the bottom rod, the spanner of the lower fastening ring is pulled first, the spanner drives the fastening rod, the fastening rod is driven by the elastic potential energy of the spring, so that the lower fastening ring is loosened, at the moment, the lower air pressure rod pushes the lower air pressure rod, and the lower air pressure rod pushes the bottom connecting plate connected to the chassis, so that the reverse thrust is obtained, the top end of the lower air pressure rod drives the sleeve, the sleeve drives the L-shaped connecting sheet, the L-shaped connecting sheet drives the upper air pressure rod to move upwards, meanwhile, the upper air pressure rod pushes the upper air pressure rod, and the upper air pressure rod pushes the top of the upper extension rod, because the spanner of the upper fastening ring is not loosened, the upward thrust of the upper air pressure rod and the reverse thrust of the lower air pressure rod enable the upper extension rod to move upwards in the lower extension rod, and the same operation is performed when the upper extension rod is stretched in the same way, the functions of the upper air pressure rod and the lower air pressure rod are cooperated, the functions of stretching and the functions of positioning height are completed, and the functions of the upper air pressure rod are simple and easy to operate.

2. When the upper stretching rod is required to be lowered and adjusted after the upper stretching rod is completed, a downward thrust which is larger than the thrust of the upper air pressure rod and the lower air pressure rod is firstly applied to the upper surface of the gasket, at the moment, the top end of the upper stretching rod pushes the upper air pressure rod, the upper air pressure rod is retracted into the upper air pressure rod, at the moment, the downward thrust of the upper air pressure rod drives the L-shaped connecting sheet, the L-shaped connecting sheet drives the sleeve to push the lower air pressure rod downwards, then the lower air pressure rod is retracted into the lower air pressure rod, when the lower air pressure rod is pushed to a proper position, the wrench of the upper fastening ring is pulled, so that the upper stretching rod is positioned by the upper fastening ring, the lower stretching rod is also regulated in the same way, and the functions of synergetic shrinkage of the upper air pressure rod and the lower air pressure rod and the positioning of the height are achieved.

Drawings

FIG. 1 is a front view of the present utility model;

FIG. 2 is an internal block diagram of the present utility model;

FIG. 3 is a top view of the present utility model;

fig. 4 is a schematic view of the structure of the lower fastening ring of the present utility model.

In the figure: 1. a gasket; 2. an upper extension rod; 3. a lower extension rod; 4. a bottom position rod; 5. a fastening ring is arranged on the upper part; 6. a lower fastening ring; 7. a chassis; 8. an upper fastening groove; 9. a lower fastening groove; 10. a screw block; 11. a bottom connecting plate; 12. a lower pneumatic rod; 13. a pneumatic rod is arranged; 14. a top bolt; 15. a screw hole; 16. a wrench; 17. a spring; 18. a fastening rod; 19. a fastening seat; 20. a pneumatic rod is arranged; 21. a lower air pressure rod; 22. an L-shaped connecting sheet; 23. a sleeve; 24. a bottom bolt; 25. a limit ring; 26. a boom ring; 27. and a gasket.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description. The embodiments of the utility model have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Examples:

referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a liftable table leg, including gasket 1, the lower fixed surface of gasket 1 is connected with and goes up and stretch pole 2, go up the surface sliding connection who stretches pole 2 and go up fastening ring 5, go up the inside of fastening ring 5 and be provided with fastening groove 8, go up the internal surface fixed connection who fastens ring 5 and stretch pole 3 down, the surface sliding connection who stretches pole 3 down has down fastening ring 6, the inside of fastening ring 6 is provided with down fastening groove 9 down, the internal surface fixed connection of lower fastening groove 9 has end position pole 4, the lower fixed surface of end position pole 4 is connected with chassis 7, the function that the table leg can accurately be adjusted to go up and down and fixed height has been realized to the above function.

The lower surface fixedly connected with spiral shell piece 10 of chassis 7, the bottom of spiral shell piece 10 is provided with bottom connection board 11, the inside fixedly connected with of bottom connection board 11 down atmospheric pressure pole 12, the surface sliding connection of atmospheric pressure pole 12 has down atmospheric pressure stick 21 down, sleeve 23 has been cup jointed at the top of atmospheric pressure stick 21 down, the surface fixedly connected with L type connection piece 22 of sleeve 23, the upper surface threaded connection of L type connection piece 22 bottom has last atmospheric pressure stick 20, the internal surface sliding connection of going up atmospheric pressure stick 20 has last atmospheric pressure pole 13, the top of going up atmospheric pressure pole 13 and the top fixed connection of last extension rod 2, the function that the atmospheric pressure stick promoted the cooperation of extension rod 2 and lower extension rod 3 has been realized to the above function.

The lower surface fixedly connected with of lower dead lever 3 stretches out pole circle 26, the upper surface of stretching out pole circle 26 is provided with spacing collar 25, spacing collar 25 surface and lower clamping ring 6 fixed connection, the surface fixedly connected with fastening seat 19 of lower clamping ring 6, the inside of fastening seat 19 is provided with clamping lever 18, the surface of clamping lever 18 is provided with spring 17, the one end of spring 17 and the surface fixed connection of clamping seat 19, the other end fixedly connected with packing ring 27 of spring 17, the internal surface of packing ring 27 and the surface sliding connection of clamping lever 18, the surface of packing ring 27 and the surface fixed connection of lower clamping ring 6, the one end rotation of clamping lever 18 is connected with spanner 16, screw 15 has been seted up to the inside of gasket 1, the inside threaded connection of gasket 1 has top bolt 14, the surface of top bolt 14 and the top threaded connection of upper dead lever 2, above function has realized the function of upper clamping ring 5 and lower clamping ring 6 location.

Working principle:

when the lower stretching rod 3 and the upper stretching rod 2 are both positioned in the bottom position rod 4, the wrench 16 of the lower fastening ring 6 is pulled firstly, the wrench 16 drives the fastening rod 19, the fastening rod 19 is driven by the elastic potential energy of the spring 17, the lower fastening ring 6 is loosened, at the moment, the lower air pressure rod 21 pushes the lower air pressure rod 12, the lower air pressure rod 12 pushes the bottom connecting plate 11 connected to the chassis 7, so that the reverse thrust is obtained, the top end of the lower air pressure rod 21 drives the sleeve 23, the sleeve 23 drives the L-shaped connecting plate 22, the L-shaped connecting plate 22 drives the upper air pressure rod 20 to move upwards, meanwhile, the upper air pressure rod 20 pushes the upper air pressure rod 13, the upper air pressure rod 13 pushes the top of the upper stretching rod 2, because the wrench 16 of the upper fastening ring 5 is not loosened, the upward thrust of the upper air pressure rod 20 and the reverse thrust of the lower air pressure rod 21 enable the upper stretching rod 2 to move upwards in the lower stretching rod 3, and the upper air pressure rod 2 are also operated in the same way, and the upper air pressure rod 21 is pulled by the same way, the functions of stretching the upper air pressure rod 20 and the lower air pressure rod 21 are pulled together, and the functions of easy positioning and the functions are easy to operate.

When the above work is completed, the upper extension rod 2 needs to be adjusted downwards, a downward thrust which is larger than the thrust of the upper air pressure rod 20 and the lower air pressure rod 21 is firstly applied to the upper surface of the gasket 1, at the moment, the top end of the upper extension rod 2 pushes the upper air pressure rod 13, the upper air pressure rod 13 is retracted into the upper air pressure rod 20, at the moment, the downward thrust of the upper air pressure rod 20 drives the L-shaped connecting sheet 22, the L-shaped connecting sheet 22 drives the sleeve 23 to push the lower air pressure rod 21 downwards, then the lower air pressure rod 12 is retracted into the lower air pressure rod 21, when the upper air pressure rod is pushed to a proper position, the wrench 16 of the upper fastening ring 5 is pulled, the upper extension rod 2 is positioned by the upper fastening ring 5, the height of the lower extension rod 3 is adjusted in the same way, and the functions of the upper air pressure rod 20 and the lower air pressure rod 21 are cooperatively contracted, and the functions of positioning the height are completed, so that the operation is simple and easy.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims

1. Liftable table leg, including gasket (1), its characterized in that: the lower fixed surface of gasket (1) is connected with and goes up extension rod (2), the surface sliding connection who goes up extension rod (2) has last fastening ring (5), the inside of going up fastening ring (5) is provided with fastening groove (8), the internal surface fixedly connected with of going up fastening ring (5) stretches down extension rod (3), the surface sliding connection who stretches down extension rod (3) has lower fastening ring (6), the inside of lower fastening ring (6) is provided with down fastening groove (9), the internal surface fixedly connected with end position pole (4) of lower fastening groove (9), the lower fixed surface of end position pole (4) is connected with chassis (7).

2. A liftable table leg of claim 1, wherein: the utility model discloses a chassis, chassis (7) and chassis, chassis (7)'s lower fixed surface are connected with spiral shell piece (10), the bottom of spiral shell piece (10) is provided with bottom board (11), the inside fixedly connected with of bottom board (11) is pneumatic rod (12) down, the surface sliding connection of pneumatic rod (12) is pneumatic rod (21) down, sleeve (23) have been cup jointed at the top of pneumatic rod (21) down, the surface fixedly connected with L type connection piece (22) of sleeve (23), the upper surface threaded connection of L type connection piece (22) bottom has pneumatic rod (20) on, the internal surface sliding connection of last pneumatic rod (20) has pneumatic rod (13), the top of last pneumatic rod (13) and the top fixed connection of last extension rod (2).

3. A liftable table leg of claim 1, wherein: the lower surface of lower dead lever (3) is fixedly connected with extension rod circle (26), the upper surface of extension rod circle (26) is provided with spacing collar (25), spacing collar (25) surface and lower fastening circle (6) fixed connection, the surface fixedly connected with fastening seat (19) of lower fastening circle (6), the inside of fastening seat (19) is provided with fastening rod (18).

4. A liftable table leg of claim 3, wherein: the outer surface of fastening rod (18) is provided with spring (17), the one end and the surface fixed connection of fastening seat (19) of spring (17), the other end fixedly connected with packing ring (27) of spring (17), the internal surface of packing ring (27) and the surface sliding connection of fastening rod (18), the surface of packing ring (27) and the surface fixed connection of lower retainer plate (6), the one end rotation of fastening rod (18) is connected with spanner (16).

5. A liftable table leg of claim 2, wherein: screw holes (15) are formed in the gasket (1), top bolts (14) are connected with the gasket (1) through internal threads, and the outer surfaces of the top bolts (14) are connected with the tops of the upper extending rods (2) through threads.

6. A liftable table leg of claim 2, wherein: the inside threaded connection of bottom fishplate bar (11) has bottom bolt (24), the surface of bottom bolt (24) and the internal surface threaded connection of screw (10).