CN218737746U

CN218737746U - Lifting table

Info

Publication number: CN218737746U
Application number: CN202222433951.0U
Authority: CN
Inventors: 戴龙飞; 陈龙; 周鑫; 詹慧娟; 魏涛
Original assignee: Anji Shuyi Smart Home Co ltd; Hangzhou Damonguan Smart Home Technology Co ltd
Current assignee: Anji Shuyi Smart Home Co ltd; Hangzhou Damonguan Smart Home Technology Co ltd
Priority date: 2022-09-14
Filing date: 2022-09-14
Publication date: 2023-03-28
Anticipated expiration: 2032-09-14

Abstract

The utility model relates to a lifting table, which comprises a table plate and a lifting mechanism, wherein the lifting mechanism comprises a bearing seat and a fixed base, and two connecting rods are rotatably connected between the bearing seat and the fixed base to form a four-bar mechanism; the connecting rod is rotatably connected with a support rod, and the fixed base is provided with a driving part; in a furled state, the two connecting rods are in a horizontal state, the table plate is at the lowest position, and the tail ends of the support rods are far away from the fixed base; under the lifting adjusting state, the driving part drives the support rod to rotate, so that the tail end of the support rod is close to or far away from the fixed base, and the height of the table plate is adjusted. The matching of the stay bar and the four-bar mechanism can effectively support the table, and the driving part can drive the four-bar mechanism to act together when acting on the stay bar to rotate so as to adjust the height of the table; the lifting table can reduce the volume and is convenient to move in a furled state, and the tail end of the stay bar continuously moves towards the side of the fixed base in the process of heightening the table plate in a lifting adjusting state, so that the floor area is also continuously reduced.

Description

Lifting table

Technical Field

The utility model belongs to the technical field of furniture, especially, relate to a lift table utensil.

Background

The table can not only enable people to place articles in daily life, but also enable people to lie prone for work, study or rest. With the improvement of living and working requirements of people, common table tools with fixed height can not meet various requirements; the requirements mainly come from different heights and use habits of people, so that the lifting seat can meet the requirements of various people.

The document with the patent number of CN201620888993.5 discloses a manual lifting table, wherein a table plate is erected on two upper edge beams through cross rods, two connecting rods arranged in parallel are connected between the upper edge beams and the lower edge beams, a cross beam is connected between the two lower edge beams, a lifting cylinder is connected onto the cross beam and the connecting rods, and the connecting rods can adjust the height of the table plate under the driving of the lifting cylinder; after being adjusted to the proper position, the desk top connecting assembly is limited by a ratchet mechanism which is connected to the upper edge beam of the desk top connecting assembly through a ratchet mounting shaft.

But has problems in that: because the lower boundary beam is relatively fixed, the position of the whole gravity center is constantly changed in the adjusting process, and in order to prevent the lifting table from overturning, the attached figures in the documents show that the length of the lower boundary beam is longer, so that the whole structure occupies larger ground area and is very troublesome to fold and move; in addition, the limiting and fixing are only carried out through the ratchet mechanism, and the stability of the whole structure is poor.

Disclosure of Invention

In order to solve the technical problem, the utility model aims at providing a lifting table utensil, through vaulting pole and four link mechanism's cooperation, not only can wholly support this table utensil, the vaulting pole tail end can remove to this one side of unable adjustment base at the in-process that the table utensil was increaseed in addition to can reduce area, and also be convenient for remove when the volume has also been reduced greatly in folded state.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a lifting table comprises a table plate and a lifting mechanism for adjusting the height of the table plate, wherein the lifting mechanism comprises a bearing seat for bearing the table plate and a fixed base, two parallel connecting rods which are arranged up and down are rotatably connected between the bearing seat and the fixed base, and the bearing seat, the fixed base and the two connecting rods form a four-connecting-rod mechanism; the connecting rod is rotatably connected with a support rod, and a driving part acting on the top end of the support rod is arranged on the fixed base; the lifting table has two states, namely a furled state and a lifting adjusting state, wherein in the furled state, the two connecting rods are in a horizontal state, the table plate is at the lowest position, and the tail ends of the supporting rods are far away from the fixed base; under the lifting adjusting state, the driving part drives the supporting rod to rotate, so that the tail end of the supporting rod is close to or far away from the fixed base, and the height of the table plate is adjusted.

Bear the connecting rod of being connected between seat and the unable adjustment base and can carry out the regulation of height to the table that bears on the seat when the connecting rod takes place relative rotation, and the vaulting pole of connecting on the connecting rod can support connecting rod and table on the one hand, make more stable when using, on the other hand vaulting pole can rotate around its rotation tie point under the drive of drive division, make the tail end of vaulting pole be close to or keep away from to unable adjustment base, at this in-process, can drive the connecting rod and rotate around its and unable adjustment base rotation tie point, highly adjust the table. Under the state of drawing in, can be convenient for remove it this moment, and when using, when rising the regulation, along with the rotation of vaulting pole, the table is at the in-process that constantly risees, and the vaulting pole tail end constantly moves towards this side of unable adjustment base, can reduce area gradually.

Preferably, the brace rod comprises a support section located below the rotational connection point and a connection section located above the rotational connection point; the connecting section is hinged with the driving part, and the included angle formed by the straight line of the connecting section and the straight line of the supporting section is 150-170 degrees.

The included angle formed between the supporting section and the connecting section is that the supporting section is in a relatively horizontal state under the furling state, and if the connecting section is in the same straight line with the supporting section, the driving part can not rotate the connecting section when acting on the connecting section again.

Preferably, the support rod and the connecting rod are in crossed connection in a lifting adjusting state, and the support rod is rotatably connected to the position, close to the middle, of the connecting rod.

If the stay bar is connected to the position above the connecting rod, the driving stroke of the driving part is also increased, which is not beneficial to cost control; if the stay bar is connected to the position which is lower than the connecting rod, the overall supporting effect on the table is poor, and the position change of the stay bar cannot cater to the movement of the overall gravity center of the table.

Preferably, the tail end of the supporting section is connected with a roller. The roller wheel can facilitate the movement of the tail end of the stay bar in the horizontal direction when the stay bar rotates relatively, and the resistance to the movement can be reduced.

Preferably, the driving part is a gas spring, the tail end of the gas spring is rotatably connected to one side of the fixed base, and a piston rod of the gas spring is rotatably connected to the end part of the connecting section.

Preferably, the driving part is an electric push rod, one end of the electric push rod is rotatably connected to one side of the fixed base, and the other end of the electric push rod is rotatably connected to the end part of the connecting section.

Compared with the prior art, the beneficial effects of the utility model are that:

the matching of the stay bar and the four-bar mechanism can effectively support the table, and the driving part can drive the four-bar mechanism to act together when acting on the stay bar to rotate, so that the height of the table plate can be adjusted; the lifting table can reduce the volume and facilitate movement in a folded state, and in a lifting adjusting state, the tail end of the stay bar continuously moves towards the side of the fixed base in the process of heightening the table plate, so that the floor area is also continuously reduced;

the setting of support section and linkage segment is when acting on the linkage segment for the convenience of drive division in the vaulting pole, can make whole vaulting pole take place to rotate, and then drive four-bar linkage and also move and adjust the table height, and to the injecing of linkage segment and support section angle, be the stroke size in order to prevent increase drive division on the one hand, on the other hand also is in same straight line for preventing linkage segment and support section, if the two is located same straight line and when the lift table was in folded state, the drive division can't drive the vaulting pole again this moment and take place to rotate.

Drawings

Fig. 1 is a schematic perspective view of a lifting table of the present invention;

fig. 2 is a schematic structural view of the lifting table of the present invention in a folded state;

fig. 3 is a schematic view of the explosion structure of the middle lifting table of the present invention.

Description of the drawings: 1. a table plate; 2. a bearing seat; 3. a fixed base; 4. a connecting rod; 5. a stay bar; 501. a support section; 502. a connecting section; 6. a drive section; 7. and a roller.

Detailed Description

The following describes in detail an embodiment of the present invention with reference to the drawings.

In the embodiment, as shown in fig. 1-3, the lifting table specifically includes a table plate 1 and a lifting mechanism for adjusting the height of the table plate 1, the lifting mechanism includes a bearing seat 2 for bearing the table plate 1 and a fixed base 3, two parallel connecting rods 4 arranged up and down are rotatably connected between the bearing seat 2 and the fixed base 3, and the bearing seat 2, the fixed base 3 and the two connecting rods 4 form a four-bar mechanism; the connecting rod 4 is rotatably connected with a support rod 5, and the fixed base 3 is provided with a driving part 6 acting on the top end of the support rod 5; the lifting table has two states, namely a furled state and a lifting adjusting state, wherein in the furled state, the two connecting rods 4 are in a horizontal state, the table plate 1 is at the lowest position, and the tail end of the support rod 5 is far away from the fixed base 3; under the lifting adjusting state, the driving part 6 drives the stay bar 5 to rotate, so that the tail end of the stay bar 5 is close to or far away from the fixed base 3, and the height of the table board 1 is adjusted.

When the lifting table is not needed to be used, the lifting table is adjusted to the lowest position, and is in a furled state at the moment, the volume of the lifting table is the smallest in the state, so that a user can conveniently move the lifting table, and when the lifting table is needed to be used, the driving part 6 is started to act on one end of the support rod 5, so that the support rod 5 rotates to drive the four-bar mechanism to act, the connecting rod 4 also rotates around a connecting point with the fixed base 3 to adjust the height of the table board 1, and the support rod 5 supports the whole structure in the whole using process, so that the whole structure is more stable; in addition, in the process of heightening the table top 1, the tail end of the support rod 5 gradually moves towards one side of the fixed base 3, the floor area is also continuously reduced, the gravity center position of the whole structure is also continuously changed due to the actions of the height of the table top 1 and the connecting rod 4, the movement of the tail end of the support rod 5 just caters for the change of the gravity center position, and the stability of the structure is further improved.

The specific structure of the stay bar 5 comprises a support section 501 below the rotation connection point and a connection section 502 above the rotation connection point; the connecting section 502 is hinged with the driving part 6, and the included angle formed by the straight line of the connecting section 502 and the straight line of the supporting section 501 is 150-170 degrees.

The connecting section 502 is a point for connecting the driving part 6, the supporting section 501 plays a supporting role, when the height of the table board 1 needs to be adjusted, the driving part 6 only needs to drive the connecting section 502 to rotate, and then the supporting section 501 can be driven to rotate correspondingly, and if the connecting section 502 and the supporting section 501 are on the same straight line, the driving part 6 cannot rotate the connecting section 502 again; if the angle between the two is small, the driving stroke of the driving part 6 needs to be increased, which increases the cost.

Under the lifting adjusting state, the support rod 5 is in crossed connection with the connecting rod 4, and the support rod 5 is rotatably connected to the position, close to the middle, of the connecting rod 4. If the stay 5 is connected to the upper position of the connecting rod 4, the driving stroke of the driving part 6 is also increased, which is not favorable for cost control; if the stay 5 is connected to a position lower than the link 4, the overall table support effect is poor, and the change in the position of the stay 5 cannot cater for the movement of the overall center of gravity of the table.

For convenience in the adjustment process, a roller 7 is connected to the rear end of the support section 501. The roller 7 can facilitate the movement of the tail end of the stay bar 5 in the horizontal direction when the relative rotation occurs, and the resistance to the movement is reduced.

The driving portion 6 can also have various embodiments, for example, the driving portion 6 is a gas spring, the tail end of the gas spring is rotatably connected to one side of the fixed base 3, and the piston rod of the gas spring is rotatably connected to the end of the connecting section 502.

For another example, the driving portion 6 may also be an electric push rod, one end of the electric push rod is rotatably connected to one side of the fixing base 3, and the other end of the electric push rod is rotatably connected to the end of the connecting section 502.

The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. A lifting table is characterized by comprising a table plate (1) and a lifting mechanism for adjusting the height of the table plate (1), wherein the lifting mechanism comprises a bearing seat (2) for bearing the table plate (1) and a fixed base (3), two connecting rods (4) which are parallel and arranged up and down are rotatably connected between the bearing seat (2) and the fixed base (3), and the bearing seat (2), the fixed base (3) and the two connecting rods (4) form a four-connecting-rod mechanism; the connecting rod (4) is rotatably connected with a support rod (5), and the fixed base (3) is provided with a driving part (6) acting on the top end of the support rod (5); the lifting table has two states, namely a furled state and a lifting adjusting state, wherein in the furled state, the two connecting rods (4) are in a horizontal state, the table plate (1) is at the lowest position, and the tail end of the support rod (5) is far away from the fixed base (3); under the lifting adjusting state, the driving part (6) drives the stay bar (5) to rotate, so that the tail end of the stay bar (5) is close to or far away from the fixed base (3) to adjust the height of the table board (1).

2. Lifting table according to claim 1, characterized in that said stay (5) comprises a support section (501) located below the point of rotation connection and a connection section (502) located above the point of rotation connection; the connecting section (502) is hinged with the driving part (6), and the included angle formed by the straight line where the connecting section (502) is located and the straight line where the supporting section (501) is located is 150-170 degrees.

3. Lifting table according to claim 1, characterized in that said stay (5) is crosswise connected to the connecting rod (4) in the lifting adjustment condition, said stay (5) being rotatably connected to the connecting rod (4) in a position close to the middle.

4. Lifting table according to claim 2, characterized in that the tail end of the support section (501) is connected with a roller (7).

5. A lifting table as claimed in claim 2, characterized in that said driving part (6) is a gas spring, the tail end of which is rotatably connected to one side of the fixed base (3), and the piston rod of which is rotatably connected to the end of the connecting section (502).

6. The lifting table as claimed in claim 2, characterized in that said driving part (6) is an electric push rod, one end of which is rotatably connected to one side of the fixed base (3) and the other end of which is rotatably connected to the end of the connecting section (502).