CN220360209U - Table capable of adjusting tabletop angle - Google Patents

Abstract

The utility model provides a table capable of adjusting the angle of the table top, which comprises the table top, an adjusting mechanism and a rocking handle group, wherein the table top comprises a plate frame and a movable table plate, the movable table plate is pivoted on the plate frame, the adjusting mechanism comprises a first transmission rod, a lifting group and a second transmission rod, the first transmission rod is pivoted on the plate frame, the first transmission rod is connected with a first gear, the lifting group is connected with the movable table plate and the first transmission rod, the second transmission rod is connected with a second gear, the second gear is meshed with the first gear, one end of the rocking handle group comprises a driving rod, a base, a crank and a handle, one end of the driving rod is movably connected with the second transmission rod, the base is connected with the driving rod, the crank is pivoted on the base, and the handle is pivoted on the crank, so that the rocking handle group can be folded and contracted when not used.

Description

Table capable of adjusting tabletop angle

Technical Field

The present utility model relates to a table, and more particularly, to a table with adjustable table top angle.

Background

Please refer to the "table with adjustable table inclination" patent No. 201110350183.6, which is a table with adjustable table inclination, comprising a platform defining a front end and a rear end, wherein the platform provides a function for a user to place articles; the support device comprises a first table leg, one end of the first table leg is pivoted with the front end of the platform, and the other end of the first table leg is erected on the ground; the first adjusting device is arranged between the platform and the first table leg of the supporting device in a group mode, the first adjusting device comprises a rod body, at least one linkage piece and at least one driving piece, threads are arranged on the outer periphery of the rod body, the linkage piece is arranged on the rod body in a threaded mode, two ends of the driving piece are respectively pivoted at the rear end of the platform and the linkage piece, the rod body rotates to drive the linkage piece to move between two ends of the rod body, and the driving piece pivots and swings relative to the rod body to adjust the inclination angle of the platform.

However, although the control device of the table is provided with a foldable structure, the handle still protrudes downwards after being folded, which is easy to block the movement of the user.

Disclosure of Invention

The utility model mainly aims at providing a table with an adjustable tabletop angle.

The utility model provides a table capable of adjusting the angle of the table top, which comprises the table top, an adjusting mechanism and a crank group, wherein the table top comprises a plate frame and a movable table plate, the movable table plate is pivoted on the plate frame, the adjusting mechanism comprises a first transmission rod, a lifting group and a second transmission rod, the first transmission rod is pivoted on the plate frame, the first transmission rod is connected with a first gear, the lifting group is connected with the movable table plate and the first transmission rod, the second transmission rod is connected with a second gear, the second gear is meshed with the first gear, the crank group comprises a driving rod, a base, a crank and a handle, one end of the driving rod can be axially movably connected with the second transmission rod along the second transmission rod, the base is connected with one end of the driving rod opposite to the second transmission rod, the crank is pivoted on the base and can be folded in a direction adjacent to the driving rod or a radial direction along the driving rod, the second transmission rod is connected with the second transmission rod, the second transmission rod is connected with the second gear, the second transmission rod is meshed with the first gear, the second gear is meshed with the first gear, the crank is not easy to be unfolded and can be completely parallel to the crank when the crank is unfolded along a radial direction, and the crank is not easy to be unfolded, and can be unfolded along a space when the crank is not easy to be unfolded.

The table comprises a table leg, wherein the table leg is provided with a beam extending along the horizontal direction, the beam is connected with the plate frame, the first transmission rod is rotatably arranged in the plate frame, the second transmission rod is rotatably arranged in the beam, and when the crank and the handle are in a folding state, the crank and the handle are arranged on the side edge of the beam along the horizontal direction.

One end of the beam is connected with an end cover, one side of the end cover opposite to the beam is convexly provided with a limit flange, the base is provided with a limit hole, the drive rod can enable the base to be close to or far away from the end cover when axially moving along the second drive rod, and the limit flange is inserted into the limit hole when the base is close to the end cover.

The limiting flange is provided with a hooking part, a hooking piece capable of elastically deforming and swinging is arranged in the limiting hole, one end of the hooking piece protrudes out of one side of the base opposite to the driving rod, and when the limiting flange is inserted into the limiting hole, the hooking piece can be buckled on the hooking part, so that the driving rod cannot move along the axial direction of the second driving rod.

The second transmission rod is sleeved with an outward pushing spring, one end of the outward pushing spring is propped against the second transmission rod, the other end of the outward pushing spring is propped against the driving rod, and when the hook buckle piece is separated from the hook buckle part, the outward pushing spring pushes the driving rod to move and drives the limit flange to be separated from the limit hole.

The base is provided with a first pivot lug and a second pivot lug, the first pivot lug is provided with a first pivot hole which is non-circular, the second pivot lug is provided with a second pivot hole which is non-circular, the crank is provided with a third pivot lug and a fourth pivot lug, the first pivot lug and the second pivot lug are arranged between the third pivot lug and the fourth pivot lug, the third pivot lug is provided with a third pivot hole which is non-circular, the fourth pivot lug is provided with a fourth pivot hole which is non-circular, the rocking handle group comprises a shaft lever which is simultaneously inserted into the first pivot hole, the second pivot hole, the third pivot hole and the fourth pivot hole, the outer periphery of the shaft lever is provided with a first limiting part and a second limiting part which are non-circular in section, the first limiting part is constantly kept to be inserted into the first pivot hole, the rocking handle group can move between a clamping position and a releasing position, the rocking handle group can be rotated relative to the first pivot shaft lever, the second pivot rod can not rotate relative to the base at the limiting part, and the fourth pivot hole can not rotate relative to the base.

The shaft lever is connected with a press button, a first retaining ring and a second retaining ring, the press button is arranged on one side of the third pivot lug opposite to the first pivot lug, the first retaining ring is arranged on one side of the fourth pivot lug opposite to the second pivot lug, the second retaining ring is adjacent to the first limiting part, the rocking handle group comprises an elastic piece, one end of the elastic piece abuts against the second pivot lug, the other end of the elastic piece abuts against the second retaining ring, and the elastic piece can push the shaft lever to move towards the clamping position.

The handle is pivoted at one end of the crank opposite to the base, one side of the crank is provided with a containing groove, the handle is arranged in the containing groove when being folded, and the handle is separated from the containing groove when being unfolded.

The outer periphery of the first transmission rod is provided with a first threaded part and a second threaded part, the rotation directions of the first threaded part and the second threaded part are opposite, the lifting group comprises a lifting seat, a first threaded part, a second threaded part, a first arm and a second arm, the lifting seat is connected with the movable table plate, the first threaded part is connected with the first threaded part, the second threaded part is connected with the second threaded part, one end of the first arm is pivoted with the lifting seat, the other end of the first arm is pivoted with the first threaded part, one end of the second arm is pivoted with the lifting seat, and the other end of the second arm is pivoted with the second threaded part.

The tabletop comprises a fixed tabletop plate which is fixedly connected with the plate frame and is adjacent to the movable tabletop plate, and the combined coverage area of the movable tabletop plate and the fixed tabletop plate is rectangular.

The table can ensure that the rocking handle group does not occupy space completely and is not easy to interfere with the activities of users when not in use through the structure.

Drawings

Fig. 1 is a perspective view of a table with an adjustable table top angle according to the present utility model.

Fig. 2 is an exploded perspective view of a table with adjustable tabletop angle according to the present utility model.

Fig. 3 is an exploded perspective view of a table lifting assembly capable of adjusting the angle of a table top according to the present utility model.

Fig. 4 is an exploded perspective view of a table rocking handle set capable of adjusting the angle of a table top according to the present utility model.

Fig. 5 is a sectional view showing a driving rod of a table capable of adjusting an angle of a table top according to the present utility model.

FIG. 6 is a cross-sectional view of a table lift assembly with adjustable table top angle according to the present utility model.

FIG. 7 is a cross-sectional view of a rocking handle set for a table with adjustable angle of the table top according to the present utility model.

Fig. 8 is a view showing the movement of the table shaft to the release position, which enables the adjustment of the angle of the table top.

Fig. 9 is a view showing the operation of the table crank and handle of the present utility model in which the angle of the table top can be adjusted.

Fig. 10 is a schematic diagram showing the operation of the table hook piece of the present utility model capable of adjusting the angle of the table top being separated from the hook portion.

FIG. 11 is a view showing the movement of the table stop flange out of the stop hole for adjusting the angle of the table top according to the present utility model.

Figure 12 is a cross-sectional view of the elevated table lift assembly of the present utility model with the table top angle adjustable.

Figure 13 is a perspective view of the movable table top elevation of the adjustable table top angle of the present utility model.

Reference numerals illustrate: 10 a table; a 20 desktop; 21 plate rack; 22 movable table plate; 23 fixing the table plate; 30 an adjustment mechanism; 31 a first transmission rod; 311 a first gear; 312 a first threaded portion; 313 a second threaded portion; 32 lifting groups; 321 lifting the seat; 322 a first screw; 323 a second screw; 324 a first arm; 325 second arm; 33 a second transmission rod; 331 a second gear; 332 push out the spring; 40 crank group; 41 a drive rod; 42 a base; 421 limit holes; 422 hook tabs; 423 first pivot ears; 424 a second pivot ear; 425 a first pivot hole; 426 a second pivot hole; 43 crank; 431 a third pivot ear; 432 fourth pivot ear; 433 a third pivot hole; 434 a fourth pivot hole; 435 receiving slot; 44 handles; a 45 shaft lever; 451 a first limit portion; 452 a second stop portion; 453 press button; 454 first clasp; 455 second clasp; 46 an elastic member; 50 table legs; a 51 beam; 511 end caps; 512 limit flanges; 513 hook-fastening portions.

Detailed Description

Fig. 1 to 13 are a perspective view, an exploded perspective view, a sectional view, and an action view of a table with adjustable tabletop angle according to the present utility model. The table 10 of the present utility model includes a table top 20, an adjustment mechanism 30 and a crank set 40; wherein:

the table top 20 includes a frame 21 and a movable table 22, and the movable table 22 is pivotally mounted on the frame 21.

The adjusting mechanism 30 comprises a first driving rod 31, a lifting group 32, and a second driving rod 33, wherein the first driving rod 31 is pivoted on the plate rack 21, the first driving rod 31 is connected with a first gear 311, the lifting group 32 is connected with the movable table 22 and the first driving rod 31, the second driving rod 33 is connected with a second gear 331, and the second gear 331 is meshed with the first gear 311.

The crank set 40 includes a driving rod 41, a base 42, a crank 43 and a handle 44, wherein one end of the driving rod 41 is connected to the second driving rod 33 in an axially movable manner along the second driving rod 33, the base 42 is connected to one end of the driving rod 41 opposite to the second driving rod 33, the crank 43 is pivotally arranged on the base 42 to be capable of being folded in a direction adjacent to the driving rod 41 or being unfolded radially along the driving rod 41, the handle 44 is pivotally arranged on the crank 43 to be capable of being folded in a direction adjacent to the crank 43 or being unfolded radially along the crank 43, and the handle 44 is parallel to the driving rod 41 when the crank 43 and the handle 44 are in an unfolded state.

The table 10 includes a table leg 50, the table leg 50 is provided with a beam 51 extending along a horizontal direction, the beam 51 is connected to the rack 21, the first transmission rod 31 is rotatably disposed in the rack 21, the second transmission rod 33 is rotatably disposed in the beam 51, and the crank 43 and the handle 44 are disposed at sides of the beam 51 along the horizontal direction when the crank 43 and the handle 44 are in a folded state.

One end of the beam 51 is connected with an end cover 511, a limiting flange 512 is convexly arranged on one side of the end cover 511 opposite to the beam 51, the base 42 is provided with a limiting hole 421, the base 42 can be close to or far away from the end cover 511 when the driving rod 41 moves along the axial direction of the second driving rod 33, and the limiting flange 512 is inserted into the limiting hole 421 when the base 42 is close to the end cover 511.

The limiting flange 512 is provided with a hooking portion 513, a hooking piece 422 capable of elastically deforming and swinging is disposed in the limiting hole 421, one end of the hooking piece 422 protrudes out of one side of the base 42 opposite to the driving rod 41, and when the limiting flange 512 is inserted into the limiting hole 421, the hooking piece 422 can be fastened to the hooking portion 513, so that the driving rod 41 cannot move axially along the second driving rod 33.

The second transmission rod 33 is sleeved with an external pushing spring 332, one end of the external pushing spring 332 abuts against the second transmission rod 33, the other end abuts against the driving rod 41, and when the hooking piece 422 is separated from the hooking portion 513, the external pushing spring 332 pushes the driving rod 41 to move and drives the limiting flange 512 to be separated from the limiting hole 421.

The base 42 is provided with a first pivot lug 423 and a second pivot lug 424, the first pivot lug 423 is provided with a first pivot hole 425 which is non-circular, the second pivot lug 424 is provided with a second pivot hole 426 which is non-circular, the crank 43 is provided with a third pivot lug 431 and a fourth pivot lug 432, the first pivot lug 423 and the second pivot lug 424 are arranged between the third pivot lug 431 and the fourth pivot lug 432, the third pivot lug 431 is provided with a third pivot hole 433 which is non-circular, the fourth pivot lug 432 is provided with a fourth pivot hole 434 which is non-circular, the crank handle set 40 comprises a shaft 45, the shaft 45 is simultaneously inserted into the first pivot hole 425, the second pivot hole 426, the third pivot hole 433 and the fourth pivot hole 434, the outer periphery of the shaft 45 is provided with a first limit part 451 and a second limit part 452 which are non-circular in cross section, the first limit part is kept at the position of the first limit part and the fourth limit part 451, and the second limit part 452 can be released from the position of the crank 45 relative to the base 45 when the first pivot hole 45 is blocked by the first limit part 451 and the fourth pivot hole 45 is released from the position of the second pivot hole 45.

The shaft 45 is connected with a press button 453, a first buckle 454 and a second buckle 455, the press button 453 is disposed on a side of the third pivot 431 opposite to the first pivot 423, the first buckle 454 is disposed on a side of the fourth pivot 432 opposite to the second pivot 424, the second buckle 455 is adjacent to the first limiting portion 451, the crank set 40 includes an elastic member 46, one end of the elastic member 46 abuts against the second pivot 424 and the other end abuts against the second buckle 455, and the elastic member 46 can push the shaft 45 to move toward the locking position.

The handle 44 is pivoted at one end of the crank 43 opposite to the base 42, one side of the crank 43 is provided with a containing groove 435, the handle 44 is arranged in the containing groove 435 when folded, and the handle 44 is separated from the containing groove 435 when unfolded.

The outer periphery of the first driving rod 31 is provided with a first threaded portion 312 and a second threaded portion 313, the first threaded portion 312 and the second threaded portion 313 are opposite in rotation direction, the lifting set 32 includes a lifting seat 321, a first screw 322, a second screw 323, a first arm 324 and a second arm 325, the lifting seat 321 is connected to the movable table 22, the first screw 322 is connected to the first threaded portion 312, the second screw 323 is connected to the second threaded portion 313, one end of the first arm 324 is pivoted to the lifting seat 321 and the other end is pivoted to the first screw 322, and one end of the second arm 325 is pivoted to the lifting seat 321 and the other end is pivoted to the second screw 323.

The table top 20 includes a fixed table plate 23, the fixed table plate 23 is fixedly connected to the plate frame 21 and adjacent to the movable table plate 22, and a coverage area where the movable table plate 22 and the fixed table plate 23 are combined is rectangular.

The table 10 can utilize the rocking handle set 40 to adjust the angle of the table board through the structure, and the rocking handle set 40 can be folded and can also be contracted to the position under the table board, so that the rocking handle set 40 does not occupy space at all and is not easy to interfere with the movement of a user when not in use.

The utility model has the following advantages in view of the above description:

1. the utility model relates to a table capable of adjusting the angle of a table top, wherein the table comprises a table top, an adjusting mechanism and a crank group, the table top comprises a plate frame and a movable table plate, the movable table plate is pivoted on the plate frame, the adjusting mechanism comprises a first transmission rod, a lifting group and a second transmission rod, the first transmission rod is pivoted on the plate frame, the first transmission rod is connected with a first gear, the lifting group is connected with the movable table plate and the first transmission rod, the second transmission rod is connected with a second gear, the second gear is meshed with the first gear, the crank group comprises a driving rod, a base, a crank and a handle, one end of the driving rod can be axially movably connected with the second transmission rod along the second transmission rod, the base is connected with one end of the driving rod opposite to the second transmission rod, the crank is pivoted on the base and can be arranged in a direction adjacent to the driving rod or in a radial direction along the driving rod, the second transmission rod is connected with the second transmission rod, the second transmission rod is connected with the second gear, the second transmission rod is meshed with the second gear, the second gear is meshed with the first gear, the crank is not easy to be unfolded and can not occupy a space in parallel to the crank, and can not be unfolded with the crank, and can be completely folded by the crank when the table is in a folded state.

Claims (10)

1. The utility model provides a desk that can adjust desktop angle which characterized in that, it includes:

a tabletop, which comprises a plate frame and a movable table plate, wherein the movable table plate is pivoted on the plate frame;

the adjusting mechanism comprises a first transmission rod, a lifting group and a second transmission rod, wherein the first transmission rod is pivoted on the plate frame, the first transmission rod is connected with a first gear, the lifting group is connected with the movable table plate and the first transmission rod, the second transmission rod is connected with a second gear, and the second gear is meshed with the first gear;

the crank is pivoted on the base and can be folded in the direction adjacent to the driving rod or unfolded along the radial direction of the driving rod, and the handle is pivoted on the crank and can be folded in the direction adjacent to the crank or unfolded along the radial direction of the crank.

2. The adjustable desktop angle table as set forth in claim 1, wherein: the table comprises a table leg, wherein the table leg is provided with a beam extending along the horizontal direction, the beam is connected with the plate frame, the first transmission rod is rotatably arranged in the plate frame, the second transmission rod is rotatably arranged in the beam, and when the crank and the handle are in a folding state, the crank and the handle are arranged on the side edge of the beam along the horizontal direction.

3. The adjustable desktop angle table of claim 2, wherein: one end of the beam is connected with an end cover, one side of the end cover opposite to the beam is convexly provided with a limit flange, the base is provided with a limit hole, the drive rod can enable the base to be close to or far away from the end cover when axially moving along the second drive rod, and the limit flange is inserted into the limit hole when the base is close to the end cover.

4. A table with adjustable table top angle as in claim 3, wherein: the limiting flange is provided with a hooking part, a hooking piece capable of elastically deforming and swinging is arranged in the limiting hole, one end of the hooking piece protrudes out of one side of the base opposite to the driving rod, and when the limiting flange is inserted into the limiting hole, the hooking piece can be buckled on the hooking part, so that the driving rod cannot move along the axial direction of the second driving rod.

5. The adjustable desktop angle table as set forth in claim 4, wherein: the second transmission rod is sleeved with an outward pushing spring, one end of the outward pushing spring is propped against the second transmission rod, the other end of the outward pushing spring is propped against the driving rod, and when the hook buckle piece is separated from the hook buckle part, the outward pushing spring pushes the driving rod to move and drives the limit flange to be separated from the limit hole.

6. The adjustable desktop angle table as set forth in claim 1, wherein: the base is provided with a first pivot lug and a second pivot lug, the first pivot lug is provided with a first pivot hole which is non-circular, the second pivot lug is provided with a second pivot hole which is non-circular, the crank is provided with a third pivot lug and a fourth pivot lug, the first pivot lug and the second pivot lug are arranged between the third pivot lug and the fourth pivot lug, the third pivot lug is provided with a third pivot hole which is non-circular, the fourth pivot lug is provided with a fourth pivot hole which is non-circular, the rocking handle group comprises a shaft lever which is simultaneously inserted into the first pivot hole, the second pivot hole, the third pivot hole and the fourth pivot hole, the outer periphery of the shaft lever is provided with a first limiting part and a second limiting part which are non-circular in section, the first limiting part is constantly kept to be inserted into the first pivot hole, the rocking handle group can move between a clamping position and a releasing position, the rocking handle group can be rotated relative to the first pivot shaft lever, the second pivot rod can not rotate relative to the base at the limiting part, and the fourth pivot hole can not rotate relative to the base.

7. The adjustable desktop angle table of claim 6, wherein: the shaft lever is connected with a press button, a first retaining ring and a second retaining ring, the press button is arranged on one side of the third pivot lug opposite to the first pivot lug, the first retaining ring is arranged on one side of the fourth pivot lug opposite to the second pivot lug, the second retaining ring is adjacent to the first limiting part, the rocking handle group comprises an elastic piece, one end of the elastic piece abuts against the second pivot lug, the other end of the elastic piece abuts against the second retaining ring, and the elastic piece can push the shaft lever to move towards the clamping position.

8. The adjustable desktop angle table as set forth in claim 1, wherein: the handle is pivoted at one end of the crank opposite to the base, one side of the crank is provided with a containing groove, the handle is arranged in the containing groove when being folded, and the handle is separated from the containing groove when being unfolded.

9. The adjustable desktop angle table as set forth in claim 1, wherein: the outer periphery of the first transmission rod is provided with a first threaded part and a second threaded part, the rotation directions of the first threaded part and the second threaded part are opposite, the lifting group comprises a lifting seat, a first threaded part, a second threaded part, a first arm and a second arm, the lifting seat is connected with the movable table plate, the first threaded part is connected with the first threaded part, the second threaded part is connected with the second threaded part, one end of the first arm is pivoted with the lifting seat, the other end of the first arm is pivoted with the first threaded part, one end of the second arm is pivoted with the lifting seat, and the other end of the second arm is pivoted with the second threaded part.

10. The adjustable desktop angle table as set forth in claim 1, wherein: the tabletop comprises a fixed tabletop plate which is fixedly connected with the plate frame and is adjacent to the movable tabletop plate, and the combined coverage area of the movable tabletop plate and the fixed tabletop plate is rectangular.