CN214855061U

CN214855061U - Manual lifting table

Info

Publication number: CN214855061U
Application number: CN202023039538.3U
Authority: CN
Inventors: 覃华军
Original assignee: Jinhua Jiaruisi Tools Co ltd
Current assignee: Jinhua Jiaruisi Tools Co ltd
Priority date: 2020-12-16
Filing date: 2020-12-16
Publication date: 2021-11-26
Anticipated expiration: 2030-12-16

Abstract

The utility model provides a manual lift table, including table foot, elevating gear and desktop device, fixed elevating gear on the table foot, elevating gear includes first support column, first spliced pole, lead screw, first bevel gear, second bevel gear, head rod and first connecting block. First support column is fixed on the table foot, has seted up first connecting groove on the first support column, and first connecting column is hollow cuboid, and first connecting column inserts first connecting groove sliding connection, fixes first linkage block on the first connecting column, and first cavity has been seted up to first linkage block, and first linkage block keeps away from the one end fixed desktop device of first connecting column. The first support column is in threaded connection with a screw rod, one end of the screw rod is inserted into the first connecting block, a second bevel gear is fixed on the screw rod and is meshed with the first bevel gear, a first connecting rod is fixed on the first bevel gear, and a handle is fixed on the first connecting rod. Through adopting above-mentioned technical scheme, make the height of lift table adjust.

Description

Manual lifting table

Technical Field

The utility model relates to a furniture product technical field, in particular to manual lift table.

Background

Lifting tables are used in large numbers in the european and american countries. But also gradually accept and begin to be widely applied in China. The standing office chair has the value of helping office people to stand for a long time to sit, and realizes standing office work, and no matter whether the long-time sitting office work or the long-time standing office work has bad physiological influence on a human body, the standing office work is the most scientific and healthy office work mode only, and the standing office work can lead a great revolution of healthy office work.

Patent publication No. CN208891837U discloses a manual lifting table, an office table. This desk includes office table top, at least one desktop through-hole has been seted up on office table top's the top surface, the desktop through-hole includes that the plug passes hole and wire guide, the plug pass the hole with the wire guide is linked together, passes the equipment external connection chucking that the plug passed the hole is in the wire guide.

The technical scheme is that users with different heights use different required heights of the tabletop, so that the height of the tabletop needs to be adjusted to meet the requirements of the users.

SUMMERY OF THE UTILITY MODEL

To the deficiency that prior art exists, the utility model aims to provide a manual lift table. The height of the lifting table can be adjusted by arranging the lifting device.

The above technical purpose of the present invention can be achieved by the following technical solutions: a manual lifting table comprises table legs, a lifting device and a table top device, wherein the table legs are rectangular long rods, the number of the table legs is two, the lifting device is fixed on the table legs, the lifting device comprises a first support column, a first connecting column, a lead screw, a first bevel gear, a second bevel gear, a first connecting rod and a first connecting block, the first support column is fixed on the table legs, a first connecting groove with a square frame-shaped cross section is formed in one end, away from the table legs, of the first support column, the first connecting column is a hollow cuboid, the first connecting column is inserted into the first connecting groove and is in sliding connection with the first connecting groove, the first connecting block is fixed at one end, away from the first support column, of the first connecting column, a first cavity is formed in the first connecting block, and the table top device is fixed at one end, away from the first connecting column, of the first connecting block;

the screw rod is connected with the first support column in a threaded mode, a first connecting hole is formed in the bottom face of the first connecting block, one end, far away from the first support column, of the screw rod penetrates through the first connecting hole and extends into the first cavity, the screw rod only rotates circumferentially relative to the first connecting hole, a fixed second bevel gear is arranged at one end, in the first connecting block, of the screw rod, the second bevel gear is meshed with a first bevel gear, a first connecting rod is fixed on the first bevel gear, the first connecting rod penetrates through the side wall of the first connecting block, and a handle is fixed on the first connecting rod.

When the height needs to be adjusted, the handle is rotated to drive the first bevel gear on the first connecting rod to rotate, the first bevel gear drives the second bevel gear to rotate, the first bevel gear drives the screw rod to rotate, the screw rod drives the first connecting column to move up and down, the first connecting column is arranged into a hollow cuboid, the first connecting column is enabled to move in a limiting mode and only can ascend and descend, and therefore the height of the lifting table is adjusted.

Further, the desktop device includes first backup pad, second connecting block, first rotation pole and table, first backup pad is fixed on first connecting block, the second connecting block is equipped with two, the second connecting block is fixed in first backup pad both sides, the first rotation pole of threaded connection between the second connecting block, fixed table on the first rotation pole, first spacing opening has been seted up to the table both sides, first spacing opening corresponds the second connecting block size, the second spread groove has all been seted up to the table side, be fixed with on the second spread groove and prevent the device that falls.

When the desktop angle needs to be adjusted, the rotating block drives the first rotating rod to rotate through rotating the rotating block, so that the desk plate on the first rotating rod rotates, the angle of the desk plate changes, and the working requirements of users in different sitting postures are met.

Further, the anti-falling device comprises a T-shaped block, a first limiting block and a baffle, the first connecting groove is a T-shaped groove, the first connecting groove and the T-shaped block are the same in size, the T-shaped block is connected in the first connecting groove in a sliding mode, the T-shaped block is far away from the fixed first limiting block at one end of the first connecting groove, the first limiting block is abutted against the side face of the table plate, the fixed baffle at one end of the T-shaped block is far away from the first limiting block, and the baffle is abutted against the top face of the table plate.

When the angle of the adjusting table top is too large, articles above the adjusting table top can fall naturally, the anti-falling device is needed to be used, the sliding anti-falling device moves in the first connecting groove, the position of the baffle is adjusted, and the articles above the sliding anti-falling device are prevented from falling.

Furthermore, one end of the first limiting block, which is far away from the T-shaped block, is provided; the upper ends of the two first limiting blocks are provided with second limiting openings, the two ends of the baffle are both fixed with third connecting blocks, the third connecting blocks are positioned below the baffle and are fixedly connected with each other in the second limiting openings in an inserted mode, the surfaces of the first limiting blocks, which are close to one side of the handle, are provided with third limiting openings, and the third limiting openings and the second limiting openings are the same in size

When the anti-falling device is not needed, the baffle can be detached from the first limiting block, and the baffle is fixed on one side of the desk plate through the connection of the first limiting block and the third limiting opening, so that the baffle is prevented from being fixed on the desk plate to influence normal use.

Furthermore, the first limiting block is made of iron, and magnetic patches are fixed at two ends of the baffle. When fixing the baffle in table one side, through the absorption of magnetism paster and first stopper, make the baffle fixed more firm, be difficult for dropping.

Furthermore, a force applying rod is fixed at one end of the handle, which is far away from the first connecting rod, and an anti-slip sleeve is sleeved on the force applying rod. The force applying rod is fixed on the handle, and the anti-slip sleeve is sleeved on the force applying rod, so that an operator can rotate the handle through the force applying rod, the labor is saved, and the handle is not easy to slip when in use due to the anti-slip sleeve.

Furthermore, protective sleeves are fixed on two sides of the table legs, and round corners are formed in the protective sleeves in an inverted mode. When the lifting table needs to be moved, the protective sleeves fixed on the two sides of the table legs prevent the ground from being scratched when the lifting table is moved, and noise is reduced.

To sum up, the utility model discloses following beneficial effect has: the lead screw drives the first connecting column to move up and down, the first connecting column is limited in movement and can only move up and down, and therefore the height of the lifting table is adjusted. The angle of the table board is changed, and the working requirements of users in different sitting postures are met. The position of the baffle is adjusted, so that the object above is prevented from falling. The baffle is fixed on one side of the desk plate, and the baffle is prevented from being fixed on the desk plate to influence normal use. The baffle is more firmly fixed and is not easy to fall off. The operator can rotate the handle through the force application rod, thereby saving more labor. The floor is prevented from being scratched when the movable floor is moved, and noise is reduced.

Drawings

FIG. 1 is a schematic view of the main structure of the present embodiment;

FIG. 2 is an enlarged view of the portion A of the present embodiment;

FIG. 3 is a schematic sectional view of the structure of the anti-drop device of the present embodiment;

fig. 4 is a schematic sectional view of the lifting device of this embodiment.

Reference numerals: 1. a table leg; 11. a protective sleeve; 12. round corners; 21. a first support column; 211. a first connecting groove; 22. a first connecting column; 23. a screw rod; 24. a first bevel gear; 25. a second bevel gear; 26. a first connecting rod; 27. a first connection block; 271. a first chamber; 272. a first connection hole; 31. a first support plate; 32. a second connecting block; 33. a first rotating lever; 34. a table plate; 341. a first limit opening; 342. a second connecting groove; 4. an anti-drop device; 41. a T-shaped block; 42. a first stopper; 421. a second limit opening; 422. a third limiting opening; 43. a baffle plate; 431. magnetic paster; 432. a third connecting block; 5. a grip; 51. a stressing rod; 52. an anti-slip sleeve.

Detailed Description

An embodiment of the manual lifting table of the present invention is further described with reference to fig. 1 to 4.

A manual lifting table comprises table legs 1, a lifting device and a table top device, wherein the table legs 1 are rectangular long rods, protective sleeves 11 are fixed on two sides of the table legs 1, and round corners 12 are formed in the protective sleeves 11 in an inverted mode. The table legs 1 are provided with two blocks, the table legs 1 are all fixed with lifting devices, and the lifting devices comprise first supporting columns 21, first connecting columns 22, screw rods 23, first bevel gears 24, second bevel gears 25, first connecting rods 26 and first connecting blocks 27. First support column 21 is fixed on table foot 1, first support column 21 is kept away from 1 one end of table foot and is seted up the first connecting groove 211 that the cross section is square frame shape, first connecting column 22 is hollow cuboid, first connecting column 22 inserts first connecting groove 211 sliding connection, first connecting column 22 is kept away from the fixed first splice 27 of one end of first support column 21, first cavity 271 has been seted up to first splice 27, the fixed desktop device of one end of first connecting column 22 is kept away from to first splice 27.

The first support column 21 is connected with the screw rod 23 in a threaded manner, the bottom surface of the first connection block 27 is provided with a first connection hole 272, one end of the screw rod 23, which is far away from the first support column 21, penetrates through the first connection hole 272 and extends into the first cavity 271, the screw rod 23 only rotates circumferentially relative to the first connection hole 272, the screw rod 23 is arranged in one end of the first connection block 27 and is provided with a fixed second bevel gear 25, the second bevel gear 25 is meshed with the first bevel gear 24, the first bevel gear 24 is fixedly provided with a first connection rod 26, the first connection rod 26 penetrates through the side wall of the first connection block 27, and the first connection rod 26 is fixedly provided with a handle 5. The end of the handle 5 far away from the first connecting rod 26 is fixed with a force applying rod 51, and an anti-skid sleeve 52 is sleeved on the force applying rod 51.

The table top device comprises a first supporting plate 31, a second connecting block 32, a first rotating rod 33 and a table plate 34, wherein the first supporting plate 31 is fixed on the first connecting block 27. Second connecting block 32 is equipped with two, and second connecting block 32 is fixed in first backup pad 31 both sides, and threaded connection first rotation pole 33 between the second connecting block 32, fixed table 34 on the first rotation pole 33, first spacing opening 341 has been seted up to table 34 both sides, and first spacing opening 341 corresponds second connecting block 32 size, and second spread groove 342 has all been seted up to table 34 side, is fixed with anti-falling device 4 on the second spread groove 342.

The drop prevention device 4 includes a T-shaped block 41, a first stopper 42, and a baffle 43. The second connecting groove 342 is a T-shaped groove, the dimensions of the second connecting groove 342 are the same as those of the T-shaped block 41, the T-shaped block 41 is slidably connected in the second connecting groove 342, and the first limiting block 42 is fixed at one end of the T-shaped block 41 far away from the second connecting groove 342. The first limiting blocks 42 are made of iron, the first limiting blocks 42 are abutted against the side face of the table plate 34, the first limiting blocks 42 are far away from one ends of the T-shaped blocks 41, and the upper ends of the two first limiting blocks 42 are provided with second limiting openings 421. Magnetic patches 431 are fixed at two ends of the baffle 43, third connecting blocks 432 are fixed at two ends of the baffle 43, the third connecting blocks 432 are located below the baffle, the third connecting blocks 432 are inserted into the second limiting openings 421 and fixedly connected, third limiting openings 422 are formed in the surfaces, close to one side of the handle 5, of the first limiting blocks 42, and the third limiting openings 422 and the second limiting openings 421 are identical in size.

During the use, through rotating handle 5, drive first bevel gear 24 on the first connecting rod 26 and rotate, first bevel gear 24 drives second bevel gear 25 and rotates, and first bevel gear 24 drives lead screw 23 and rotates, because first spliced pole 22 is hollow cuboid, lead screw 23 can only drive first spliced pole 22 and carry out the lift removal, when the desktop of lift chair rose to suitable height, can accomplish the altitude mixture control of lift table.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a manual lift table, includes table foot (1), elevating gear and desktop device, its characterized in that: the table leg (1) is a cuboid long rod, two table legs (1) are arranged, a lifting device is fixed on each table leg (1) and comprises a first support column (21), a first connecting column (22), a lead screw (23), a first bevel gear (24), a second bevel gear (25), a first connecting rod (26) and a first connecting block (27), the first support column (21) is fixed on each table leg (1), one end, far away from each table leg (1), of each first support column (21) is provided with a first connecting groove (211) with a square frame-shaped cross section, each first connecting column (22) is a hollow cuboid, each first connecting column (22) is inserted into the corresponding first connecting groove (211) to be connected in a sliding mode, one end, far away from each first support column (21), of each first connecting column (22) is fixed with the corresponding first connecting block (27), each first connecting block (27) is provided with a first cavity (271), one end of the first connecting block (27) far away from the first connecting column (22) is fixed with the desktop device;

the support structure is characterized in that a screw rod (23) is in threaded connection with the first support column (21), a first connecting hole (272) is formed in the bottom surface of the first connecting block (27), one end, far away from the first support column (21), of the screw rod (23) penetrates through the first connecting hole (272) and extends into the first cavity (271), the screw rod (23) only rotates circumferentially relative to the first connecting hole (272), a second bevel gear (25) is fixed to one end, arranged in the first connecting block (27), of the screw rod (23), the second bevel gear (25) is meshed with the first bevel gear (24), a first connecting rod (26) is fixed to the first bevel gear (24), the first connecting rod (26) penetrates through the side wall of the first connecting block (27), and a handle (5) is fixed to the first connecting rod (26).

2. A manually liftable table according to claim 1, wherein: the desktop device includes first backup pad (31), second connecting block (32), first rotation pole (33) and table (34), first backup pad (31) are fixed on first connecting block (27), second connecting block (32) are equipped with two, second connecting block (32) are fixed in first backup pad (31) both sides, first rotation pole (33) of threaded connection between second connecting block (32), fixed table (34) are gone up in first rotation pole (33), first spacing opening (341) have been seted up in table (34) both sides, first spacing opening (341) correspond second connecting block (32) size, second spread groove (342) have all been seted up to table (34) side, be fixed with on second spread groove (342) and prevent falling device (4).

3. A manually liftable table according to claim 2, wherein: anti falling device (4) include T type piece (41), first stopper (42) and baffle (43), second spread groove (342) are the T type fluting, second spread groove (342) and T type piece (41) size the same, T type piece (41) sliding connection is in second spread groove (342), the fixed first stopper (42) of one end that second spread groove (342) was kept away from in T type piece (41), first stopper (42) support and lean on table (34) side, the one end fixed stop (43) of T type piece (41) are kept away from in first stopper (42), baffle (43) support and lean on table (34) top surface.

4. A manually liftable table according to claim 3, wherein: the first limiting block (42) is far away from one end of the T-shaped block (41); the upper ends of the two first limiting blocks (42) are provided with second limiting openings (421), the two ends of the baffle plate (43) are respectively fixed with a third connecting block (432), the third connecting blocks (432) are positioned below the baffle plate (43), the third connecting blocks (432) are inserted into the second limiting openings (421) and fixedly connected with each other, the first limiting blocks (42) are close to the surface on one side of the handle (5) and are provided with third limiting openings (422), and the third limiting openings (422) and the second limiting openings (421) are identical in size.

5. A manually liftable table according to claim 4, wherein: the first limiting block (42) is made of iron, and magnetic patches (431) are fixed at two ends of the baffle (43).

6. A manually liftable table according to claim 1, wherein: and a force applying rod (51) is fixed at one end of the handle (5) far away from the first connecting rod (26), and an anti-skidding sleeve (52) is sleeved on the force applying rod (51).

7. A manually liftable table according to claim 1, wherein: protective sleeves (11) are fixed on two sides of the table legs (1), and round corners (12) are formed on the protective sleeves (11) in a chamfering mode.