TWM531186U - Elevation structure of adjustable lifting table - Google Patents

Description

Adjustable lifting table lifting structure

The creation system provides an adjustable lifting table lifting structure, in particular, an adjustable lifting table which can easily adjust the vertical lifting of the table board by using a pneumatic cylinder body, and is respectively assembled on the two sides of the lifting space between the table board and the base. The adjusting mechanism controls the pneumatic cylinder body by using the control handle, and the adjusting portion of the two-link adjusting mechanism drives the two parallel connecting rod groups to fan-shaped, respectively, to achieve the purpose of adjusting the vertical lifting of the table.

According to the differences in growth genes, living environment or eating habits, humans have different body types, such as high, short, fat and thin, while the difference between high, short, fat and thin in human body is in addition to clothing. Food, housing, transportation, etc. will have different needs. For the appliances and utensils used, different types of forms will be produced due to differences in body shape. Tables and chairs that are often used in daily life are high on the human body. Dwarf is different, resulting in greater use restrictions, especially in the use of the table, the general table is a fixed length, width, height and certain specifications, although it can be applied to people of general size, for higher or slightly Short people, when using the table, will be somewhat uncomfortable. Although there are height-adjustable chairs in the room, the height can be adjusted to match the height of the table. However, the height-adjustable chair can be adjusted to a limited height. Due to the use of tables of various heights, especially children and adolescents in the growth stage, the growth rate is quite fast, so the tables and chairs used will be different. Inch of demand, however at present the people When using tables and chairs, there is no special requirement for the height of the table and chair. On the contrary, it is applied to the existing table and chair size. For those with large differences in body size, many inconveniences are formed when using tables and chairs.

People use tables and chairs for a long time in daily life, such as eating, handling paperwork, using computers, reading books, listening to music, or working in the office. They must use tables and chairs to perform various related tasks, and use tables and chairs. It is also long. If the height of the table and chair does not match the user's body shape and is not suitable, it will cause the user to feel discomfort or soreness after using the table and chair for a long time. The size of the table and chair is directly related to the user's body shape. Relationship, but different users have different body sizes, but the size of the tables and chairs is fixed, and it is not possible to change the size of the table and chair with different users. The table is placed near the table because of the various items. The height of the table is not suitable for the user's body shape, which may cause the user's body or limb to assume an improper posture. For children or teenagers who are in the growth stage, as the body grows and the body shape changes, the height of the table is also used. It will need to be adjusted to meet the needs of different height tables after changing body size, so the use of the table is more direct for the human body. Relations, various types of tables available in the market are mostly fixed size can not change, less ergonomic, in practice, there are still many missing and inconvenience, to be improved.

Therefore, how to solve the problem that the height of the table cannot be adjusted is unfavorable, which is disadvantageous for different user applications, and the use of the same table by different body users is prone to troubles and inconveniences caused by the height of the table, such as being engaged in this problem. The relevant manufacturers in the industry are eager to study the direction of improvement.

Therefore, in view of the above problems and deficiencies, the creators have collected relevant information, evaluated and considered them through multiple parties, and continued to test through years of experience in the industry. And modified, the two sides of the lifting space between the table and the base of the lifting table are designed, and the connecting rod adjusting mechanism is separately assembled, and then the control handle is used to drive the pneumatic cylinder by using the adjusting portion of the two-link adjusting mechanism. The adjustment part of the linkage two-link adjustment mechanism operates the two parallel link sets in a fan-shaped oscillating displacement, and the new patent of the structure of the adjustable lift table that assists in driving the table to vertically lift is born.

The main purpose of the creation is to assemble the connecting rod adjusting mechanism on the two sides of the lifting table and the lifting space of the base, so that the support of the adjusting portion of the connecting rod adjusting mechanism is assembled on the two sides of the bottom surface of the table, and the second adjustment The upper connecting rod is assembled between the parts, and the parallel connecting rod set is respectively assembled below, so as to form a four-bar linkage mode between the two parallel connecting rod sets and the table board and the base, and the two parallel connecting rod sets are assembled with the lower connecting rods on the inner side. The bottom of the two parallel link sets respectively have a fixed frame body assembled on two sides of the base, and a control handle interlocking pneumatic cylinder body is arranged outside the support of the adjusting part, and the two parallel link sets can be driven in the lifting space. The lifting displacement is respectively provided with adjusting means on opposite sides of the two seats, and the sliding seat of each adjusting device can be connected to the top of the two parallel connecting rod sets, that is, the telescopic rod of the pneumatic cylinder can be operated by the control handle The auxiliary two-link adjustment mechanism is adjusted to adjust the rapid lifting of the table.

The second purpose of the present invention is that the two-link adjusting mechanism forms an accommodating space inside the support of the adjusting portion for assembling the sliding seat of each adjusting device, and is assembled by using the sliding seat of the two adjusting device. The top of the two parallel link sets, and the bottoms of the two parallel link sets are respectively assembled on the side of the two fixed frame bodies of the base, that is, the two control units are operated in the accommodating space of each support to control the sliding seat to be laterally reciprocally displaced, and The parallel link set assembled at the bottom of the two sliding seats is longitudinally lifted and displaced by a fan-shaped swing above the base.

Another purpose of the creation is that the two-link adjustment mechanism is adjusted on one side. The outer part of the support has a control handle, and a control line is connected to the control handle, and then the control line is connected to the pneumatic cylinder. On the side of the pneumatic cylinder, there is an expansion and contraction telescopic rod, which is away from the pneumatic cylinder. The telescopic rod is assembled on the other side of the suspension side with a rotating seat, which can be assembled in the center position of the lower inner connecting rod of the two parallel connecting rod groups by using the rotating seat, and the rotating cylinder on the opposite side of the rotating base is provided with a rotating The support is assembled by the rotary support to the central position of the transverse link connected to one side of the two fixed frame bodies.

1‧‧‧Table board

11‧‧‧Sub-table

111‧‧‧Pull track

2‧‧‧Base

20‧‧‧ Lifting space

21‧‧‧ foot seat sheath

3‧‧‧ Connecting rod adjustment mechanism

31‧‧‧Adjustment Department

311‧‧‧Support

3110‧‧‧ accommodating space

3111‧‧‧ top board

3112‧‧‧ Sidewall panels

32‧‧‧Adjustment device

33‧‧‧Slip seat

331‧‧‧Limited rail

3310‧‧‧Sliding space

3311‧‧ ‧ rail slot

3312‧‧‧Sliding wheel body

3313‧‧·Axle

332‧‧‧Slide

333‧‧‧Limited shelf

3331‧‧‧Connected side panels

3332‧‧‧ fixed seat plate

334‧‧‧Upper link

34‧‧‧Control handle

341‧‧‧Control line

35‧‧‧Pneumatic cylinder

351‧‧‧ Telescopic rod

352‧‧‧Rotating seat

353‧‧‧Rotary support

36‧‧‧Parallel link set

361‧‧‧First foot

3611‧‧‧卡固板

362‧‧‧Second foot

3621‧‧‧ pole

363‧‧‧lower link

364‧‧‧Combination

3641‧‧‧Fixed frame

3642‧‧‧Transverse link

3643‧‧‧Main shelf

3644‧‧‧Subrack

3645‧‧‧ stretching torsion spring

3646‧‧‧Extended foot

The first picture is a three-dimensional appearance of the creation.

The second picture is a three-dimensional appearance of another perspective of the creation.

The third figure is a partial stereoscopic view of the creative link adjustment mechanism.

The fourth figure is an exploded view of the creative adjustment department.

The fifth figure is an exploded view of the parallel train set.

The sixth diagram is a side view of the operation of the creative adjustment department.

The seventh figure is a partial stereoscopic view of the operation mode of the creation link adjustment mechanism.

The eighth figure is a perspective view of the preferred embodiment of the present invention.

In order to achieve the above objectives and effects, the technical means used in the creation, its construction, the method of implementation, etc., are described in detail in the preferred embodiment of the present invention, and the features and functions are as follows.

Please refer to the first, second, third, fourth and fifth figures, which are the three-dimensional appearance of the creation, the three-dimensional appearance of another perspective, the partial three-dimensional appearance of the connecting rod adjustment mechanism, and the three-dimensional exploded view of the adjustment section. The exploded view of the parallel link set can be clearly seen from the figure. The creative adjustable lifting table comprises a table board 1, a base 2 and a connecting rod adjusting mechanism 3, wherein:

A sub-table 11 is disposed below one side of the table 1 and a pull-out rail 111 is provided on each side of the sub-board 11 (a general pull-type track, which is not a necessary technical feature for the creation, and therefore will not be described in detail). The detailed structure) allows the sub-table 11 to move in and out below the table 1.

The base 2 is located below the table 1 and forms a lifting space 20 on the opposite side of the table 1 and the base 2, and includes a plurality of foot covers 21.

The link adjusting mechanism 3 includes two opposite adjusting portions 31, a sliding seat 33 assembled to the adjusting device 32 on the opposite side of the adjusting portion 31, and a parallel link group 36 movably assembled under the two adjusting portions 31, and two opposite The adjusting portion 31 has a frame-shaped support 311, and a top plate 3111 is disposed on a top side of each of the supports 311. A side wall plate 3112 extends in a vertical direction on a side of the top plate 3111 of each of the supports 311, and is then disposed on each of the side wall plates 3112. The slidable seat 33 of the adjusting device 32 can be assembled in the accommodating space 3110 of each of the pedestals 311 by forming the accommodating space 3110 on the inner side.

The accommodating space 3110 of each of the pedestals 311 is assembled and positioned by the limiting rails 331 of the sliding seats 33 of the adjusting devices 32. The sliding rails 3311 are formed inside the limiting rails 331. An elongated rail groove 3311 is formed by a sliding space 3310 toward a side wall, and at least one or more sliding wheel bodies 3312 (which may be rollers or bearings, etc.) are disposed inside each sliding space 3310, and each sliding wheel body 3312 An axle 3313 is protruded from one side and is respectively disposed outside the rail slot 3311 of each of the limiting rails 331, and is assembled to the side of the carriage 332 by using the axles 3313, and then the limiting bracket 333 is coupled to the top of each of the carriages 332. Each of the limiting frame plates 333 has a connecting side plate 3331 extending in a vertical direction on one side thereof, and a vertical fixing is respectively arranged above each of the connecting side plates 3331 The seat plate 3332 is formed on the opposite side of the two opposite adjustment portions 31, and the upper link 334 is assembled between the fixed seat plates 3332 of the respective limit frame plates 333.

Furthermore, the adjusting portion 31 of the connecting rod adjusting mechanism 3 is provided with a control handle 34 on the outer side of the support 311 opposite to the other side of the accommodating space 3110, and a control wire 341 is connected to one side of the control handle 34, and When the other side of the control wire 341 is connected to the pneumatic cylinder 35, the telescopic rod 351 is provided with a movable telescopic rod 351 on one side of the pneumatic cylinder 35, and the rotating seat 352 is provided on the suspended side of the telescopic rod 351 away from the pneumatic cylinder 35. The other rotating seat 352 is provided with a rotating support 353 on the other side of the pneumatic cylinder 35.

Further, the adjusting device 32 assembled by each adjusting portion 31 respectively assembles the parallel link group 36 under the engaging side plate 3331 of each of the limiting frame plates 333, and each of the parallel link groups 36 includes two opposite first legs 361, The two legs 362 are arranged for the tops of the first leg 361 and the second leg 362 of each parallel link group 36 to be assembled on the bottom of each connecting side plate 3331, and are convex at the bottom of each first leg 361. On the side of the side wall plate 3112 of the support 311, and the two parallel rod sets 36 The lower link 363 is assembled on the inner side of each of the first leg rods 361, and the bottoms of the first leg bars 361 and the second leg bars 362 of the parallel link sets 36 are removably assembled on the side of the joint portion 364, and the joint portions 364 are attached. The utility model has two fixed frame bodies 3641, and a transverse link 3642 is connected to one side of the two fixing frame bodies 3641, so that the two fixing frame bodies 3641 have a dome-shaped frame shape and are away from the fixing frame body of the transverse link 3642. On the other side of the 3641, a main frame plate 3643 is respectively protruded from opposite sides of the two fixing frame bodies 3641, and the sides of the main frame plates 3643 are further grouped. Vice-shelf plate 3644, and combined by each side of the main frame portions 364 two plate 3643, the sub- The frame plate 3644 is movably assembled to the bottom position of the first leg bar 361 and the second leg bar 362, and a tensile torsion spring 3645 is disposed on the opposite side of the main frame plate 3643 and the sub-frame plate 3644 of each joint portion 364. And extending the extending legs 3646 on the side of each of the stretching torsion springs 3645, so that the extending legs 3646 are engaged with the fixing plates 3611 at the bottom of each of the first leg bars 361, and the two parallel link sets 36 and two are adjusted. Between the portion 31 and the two joint portions 364, the group forms a mode similar to the four-bar linkage mechanism, and the two parallel link groups 36 respectively use the bottom two joint portions 364 to perform synchronous fan-shaped oscillation for the shaft center, and can drive the two parallel link members. The two adjustment portions 31 at the top of the group 36 are for the purpose of longitudinal lifting and lowering.

When assembling the above-mentioned components, the connecting rod adjusting mechanism 3 is assembled by using the upper and lower opposite table 1 and the lifting space 20 formed on the inner side of the base 2, respectively, and the connecting rod adjusting mechanism 3 and the second adjusting portion are respectively assembled. The two seats 311 of the 31 are respectively fixed on the opposite sides of the bottom surface of the table 1 by the top plate 3111, and the fixing frame 3641 of the joint portions 364 of the bottom of the connecting rod adjusting mechanism 3 and the parallel parallel link group 36 are respectively The outer plate sheath 3643 and the sub-frame plate 3644 respectively cover the respective foot cover sheaths 21 of the base 2, and the second fixed frame body 3641 side lateral link 3642 is centrally assembled with the rotary bearing seat 353 on the side of the pneumatic cylinder 35, and the pneumatic cylinder The rotating seat 352 of the telescopic rod 351 of the body 35 is assembled on the central position of the connecting rod 363 between the two parallel link sets 36 of the two adjusting devices 32, that is, the table board 1 and the base 2 The set of connecting rod adjusting mechanisms 3 constitutes the structure of the creative adjustable lifting table.

Please refer to the third, fourth, fifth, sixth, seventh and eighth figures, which are the partial three-dimensional appearance of the connecting rod adjustment mechanism of the creation, the three-dimensional exploded view of the adjustment part, the three-dimensional exploded view of the parallel link set, and the adjustment. The side view of the operation mode, the partial stereoscopic appearance of the operation mode of the connecting rod adjusting mechanism, and the three-dimensional external view of the preferred embodiment can be clearly seen from the figure, the creation can be When the modulating lifting table is in use, the connecting rod adjusting mechanism 3 located at the opposite side of the bottom surface of the table 1 can press the two sides of the table 1 to be pressed, but the outside of the 311 of the one side adjusting portion 31 is not controlled. The handle 34 is biased, and the pressure of the table plate 1 is pressed, and the lower connecting rod 363 is connected between the two parallel connecting rod sets 36 at the bottom of the two side adjusting portions 31, and the rotating sleeve 352 is used to resist the expansion and contraction of the pneumatic cylinder 35. The rod 351 is configured to contract the telescopic rod 351 to the inside of the pneumatic cylinder 35. At the same time, each of the sliding brackets 332 of the two sliding seats 33 can be used to connect at least one or more sliding wheel bodies 3312 on one side, respectively. The sliding space 3310 of the frame 331 is rolled and slipped to drive the sliding frames 332 and the limiting frame plates 333 to reciprocally slide along the track grooves 3311 of the limiting rail frames 331, and the adjusting portions 31 reuse the limit positions. The slabs 333 are respectively slidably fanned in parallel with the movable parallel assembly of the lower link group 36. The two parallel link sets 36 and the two adjustment portions 31 and the two joint portions 364 form a mode similar to the four-bar linkage mechanism, that is, It is convenient for the two parallel link sets 36 to link the two adjustment portions 31 and the lower link 363 by means of the lower link The 363 abuts the rotating seat 352 and the telescopic rod 351, and then drives the table 1 to be vertically displaced downwardly toward the lifting space 20 between the base 2, and when the table 1 is adjusted to an appropriate height position, the table 1 can be released. The force applied to the surface, even if the lower link 363 between the two parallel connecting rod sets 36 no longer resists the movement of the telescopic rod 351, and the positioning is fixed, so that the respective supports 311 of the two adjusting portions 31 are opposite to the inner adjusting devices 32. When the sliding seats 33 are positioned, the synchronous limiting carriage 332 can no longer slide along the limiting rail 331 to position the table 1 at a predetermined height position, which can meet the ergonomic adjustment of the user application.

When the control handle 34 is biased to the outside of the bottom side adjustment portion 31 of the table 1 , the handle 34 is controlled and the pneumatic cylinder 35 is driven through the control wire 341 for the pneumatic cylinder 35 to push the telescopic rod 351 outward. , for the telescopic rod 351 to top the lower link 36 3, the two side adjusting portions 31 are interlocked, and the sliding frames 332 of the supporting portions 311 of the two adjusting portions 31 are slidably displaced at the limiting rail frame 331 , and the second leg rods 362 of the two parallel link groups 36 are driven. The side strut 3621 swings upwardly, can assist the pushing of the support 311 of the adjusting portion 31, and then extends outwardly from the telescopic rod 351 of the pneumatic cylinder 35 to push the lower connecting rod 363, thereby easily driving the table 1 to rise. Adjusting the table 1 to the appropriate height and position, and reducing the resistance when the table 1 is raised, the effect of saving the operation of the table 1 can be achieved; and the lifting space between the table 1 and the base 2 20, the connecting rod adjusting mechanism 3 is arranged on the two sides, that is, the parallel adjusting rod set 36 is connected to the bottom by the two adjusting portions 31 of the connecting rod adjusting mechanism 3, and is stably held on the two sides of the table board 1 for the table board 1 It has the function of stable structure, lifting and adjusting, and no swaying or rocking.

Through the auxiliary driving of the adjusting portion 31, the pneumatic cylinder 35 and the two parallel link groups 36 on the two sides of the bottom of the table 1, the table 1 can be vertically adjusted and adjusted in the lifting space 20 toward the base 2, and the table 1 is lifted and lowered. The operation of adjusting the high and low positions is quite convenient and saves the effect of time and labor, and is transmitted through the connecting rod adjusting mechanism 3, and the pneumatic cylinder 35 drives the lower link 363 to interlock the two parallel connecting rod sets 36 to swing in the lifting space 20 And the auxiliary driving of the table 1 for the vertical lifting and positioning of the overall structure, that is, the table 1 can have a stable structure, and the lifting and adjusting can not cause shaking, rocking, etc., and the table 1 can be adjusted to an appropriate height and position to conform to the human body. The use of engineering.

Moreover, when the operation of lowering the table 1 to the base 2 is performed, the surface of the table 1 can be biased and pressed, and the adjustment portion 31 of the link adjusting mechanism 3 on the side of the table 1 is provided with one side support 311. The external control handle 34 is not biased, and the lower link 363 between the two adjustment portions 31 is synchronously driven against the telescopic rod 351 by the pressure of the pressing force when the table 1 is pressed. The telescopic rod 351 is contracted toward the inside of the pneumatic cylinder 35, and at the same time, the sliding frame 332 and the limiting frame plate 333 of each sliding seat 33 are synchronously slidably displaced along the rail groove 3311 of the limiting rail frame 331. The position plate 333 also synchronously drives the parallel link group 36 of the bottom movable pivoting body to have a downward displacement of the fan-shaped swing, and the second leg 362 side support rod 3621 of the two parallel link sets 36 also pulls the branch of the second adjustment portion 31. The seat 311 is vertically moved up and down, and the two adjusting portions 31 and the two parallel link groups 36 are synchronously linked (please refer to the sixth and seventh figures at the same time), that is, because the surface of the table 1 is pressed by the force, and then By the auxiliary lowering displacement of the two-side adjusting portion 31 and the pneumatic cylinder 35, the table plate 1 can be conveniently displaced down to the operation close to the base 2, and the two sides of the table 1 are subjected to the two parallel connection of the connecting rod adjusting mechanism 3. The rod group 36 is synchronously driven, so that the table 1 can be stably lowered and displaced, and the shaking and swinging are not easy to occur. When the table 1 is lowered to be close to the base 2, the overall height of the lifting table can be minimized, and the lifting and lowering can be conveniently performed. The table is moved by storage or transportation.

Therefore, the above description is only a preferred embodiment of the present invention, and thus does not limit the scope of the patent of the present invention. The lifting structure of the adjustable lifting table of the present invention is a lifting space 20 between the table 1 and the base 2. Two sides, and two adjustment portions 31 of the link adjusting mechanism 3, two parallel link groups 36, and a pneumatic cylinder 35 between the lower link 363 and the lateral link 3642 are respectively assembled on the two sides of the bottom surface of the table 1. Each of the foot sheaths 21 of the base 2 is respectively covered on the outside of the fixing frame 3641 of the two joint portions 364, that is, by the force applied to the surface of the table 1 or the support 311 of the bottom side adjusting portion 31 of the table 1. The external control handle 34 is biased, and the adjusting device 32, the sliding seat 33, the two parallel link sets 36, and the pneumatic cylinder 35 of the two-side adjusting portion 31 actuate each other and drive the two parallel link groups 36 to fan shape. The swinging and re-linking two adjusting portions 31 and the table 1 are vertically moved up and down, and the auxiliary table can be quickly adjusted. 1 The purpose of height lifting, and the two sides of the table 1 are respectively supported by the parallel link set 36 of the connecting rod adjusting mechanism 3 and the pneumatic cylinder 35, and then the vertical movement of the connecting action is performed, so that the table 1 has a stable structure and a lifting The adjustment does not cause the phenomenon of shaking, swaying, etc., and the table board 1 has practical functions such as easy adjustment and lifting, operation saving time and labor, low noise, etc., therefore, the structure and device that can achieve the aforementioned effects should be covered by the present creation. Such simple modifications and equivalent structural changes shall be included in the scope of the patent of this creation and shall be combined with Chen Ming.

Therefore, this creation is mainly for the lifting structure of the adjustable lifting table. The lifting space between the table and the base is used to assemble the connecting rod adjusting mechanism, and the adjusting portion of the connecting rod adjusting mechanism is respectively assembled on the table. On the two sides of the bottom surface, the bottom of the two adjustment parts are respectively connected with a parallel link group and a pneumatic cylinder between the transverse link and the lower link, and the other bottom of the two parallel link sets are pivoted at the two joints, Applying force to the surface of the table, or the control handle on the outside of the support on the bottom side of the table, using the adjustment device of the two sides of the bottom of the table, the sliding seat, the two parallel link sets and the pneumatic cylinder Simultaneously actuating, in order to drive the two parallel link sets to fan-swing, the telescopic movement of the telescopic rod of the pneumatic cylinder, and then the vertical movement of the table for the lifting and lowering, which can achieve the main protection focus of assisting the rapid adjustment of the table lifting, and The two parallel connecting rod sets and the pneumatic cylinders of the connecting rod adjusting mechanism are respectively assembled on the two sides of the bottom surface of the table board to form a stable support, which can maintain the stability of the table board, and only the two parallel connecting rod sets and the two adjusting parts and the second joint part are It is similar to the mode of four-bar linkage mechanism, and can be fan-shaped, with the advantage of the pneumatic cylinder auxiliary table for vertical lifting, no sloshing or rocking, and the table lifting operation is simple, time-saving and labor-saving. The convenient adjustment of the height of the board is more ergonomic. However, the above description is only a preferred embodiment of the present invention, and thus does not limit the scope of the patent of the creation, so the use of the present specification and the content of the schema is Simple modifications and equivalent structural changes shall be included in the patents of this creation. In the encirclement, he is given to Chen Ming.

In summary, the above-mentioned adjustable lifting table lifting structure in the actual implementation and implementation, in order to achieve its efficacy and purpose, so this creation is a practical and excellent research and development, in line with the application requirements of the new patent爰Proposing an application in accordance with the law, I hope that the trial committee will grant this case as soon as possible to protect the creators' hard work in research and development, and if there is any doubt in the ruling committee, please do not hesitate to give instructions, the creators will try their best to cooperate and feel good.

1‧‧‧Table board

2‧‧‧Base

20‧‧‧ Lifting space

21‧‧‧ foot seat sheath

3‧‧‧ Connecting rod adjustment mechanism

31‧‧‧Adjustment Department

311‧‧‧Support

3112‧‧‧ Sidewall panels

34‧‧‧Control handle

341‧‧‧Control line

35‧‧‧Pneumatic cylinder

351‧‧‧ Telescopic rod

352‧‧‧Rotating seat

353‧‧‧Rotary support

36‧‧‧Parallel link set

361‧‧‧First foot

362‧‧‧Second foot

3621‧‧‧ pole

363‧‧‧lower link

364‧‧‧Combination

3641‧‧‧Fixed frame

3642‧‧‧Transverse link

3646‧‧‧Extended foot

Claims (7)

The lifting structure of the adjustable lifting table comprises a table board, a base and a connecting rod adjusting mechanism, wherein: the table board and the base are upper and lower oppositely arranged, and a hollow lifting space is formed on the inner side; and the connecting rod The adjusting mechanism is assembled in the lifting space on the opposite inner side of the table and the base, and includes an adjusting portion assembled on two sides of the bottom surface of the table, a parallel link group assembled on the two adjusting portions, and being coupled to the opposite inner side of the two adjusting portions. The connecting rod is coupled to the lower inner connecting rod of the two parallel connecting rod sets, the two adjusting portions are respectively provided with the supports positioned on the two sides of the bottom surface of the table board, and the bottoms of the two parallel connecting rod sets are respectively arranged on the two sides of the base. The fixing frame body is provided with a transverse connecting rod on one side of the two fixing frame body, and the two supporting seats are respectively provided with adjusting devices for driving the two parallel connecting rod groups for lifting and lowering in the lifting space, and are respectively set in the second adjusting device. There is a sliding seat connected to the top of the two parallel connecting rod sets, a limiting rail frame for assembling the two sliding sliding blocks, a control handle on the outer side of the one side support, and a pneumatic cylinder operated by the control handle. The gas The cylinder is provided on the side assembled to the rod of a telescopic rod, the telescopic rod relative to the cylinder pressure is assembled on the transverse link. The lifting structure of the adjustable lifting table according to the first aspect of the invention, wherein the two adjusting portions of the connecting rod adjusting mechanism are respectively arranged on the tops of the bottoms of the two adjusting portions and are respectively fixed on two sides of the bottom surface of the table. The top plate is provided with a side wall plate vertically adjacent to one side of the top plate of each of the supports, and the two side seats are formed on the opposite side of the side wall plate with an accommodation space for assembling and adjusting the device, and the side wall plate of the one side support The outside of the control handle is provided, and one side of the control handle is provided with a control line connected to the pneumatic cylinder to operate the pneumatic cylinder. The lifting structure of the adjustable lifting table according to claim 1, wherein the pneumatic cylinder has an expansion and contraction telescopic rod on one side, and a rotating seat on the other side of the telescopic rod remote from the pneumatic cylinder. Then, the rotating seat is connected to the central position of the upper inner connecting rod of the two adjusting portions; the other side of the pneumatic cylinder with respect to the telescopic rod is provided with a rotating support connected to the central position of the horizontal connecting rod. The lifting structure of the adjustable lifting table according to the first aspect of the invention, wherein each adjusting portion of the connecting rod adjusting mechanism is provided with a sliding seat assembled on the opposite inner side of each support, each bearing A vertical top plate and a side wall plate are arranged, and an accommodating space for assembling the sliding seats is formed at the side wall plate, and each sliding seat is a limiting rail provided with a side wall plate fixed to each support The frame and the movable assembly are assembled on the outer side of the limiting rail frame and the limiting frame plate on the sliding frame, and one side of each limiting frame plate is provided with a connecting side plate for pivoting the top of the two parallel connecting rod sets, and then A fixing seat plate for positioning and connecting the upper connecting rod is arranged on the top of the connecting side plate of the second limiting bracket. The lifting structure of the adjustable lifting table according to claim 4, wherein the sliding rail has a hollow sliding space inside the limiting rail, and the rail space is formed by the sliding space toward a side wall. The position rails are respectively provided with at least one of the sliding wheel bodies (such as rollers or bearings) in the sliding space, and one side of each of the sliding wheel bodies is respectively provided with an axle that passes outside the rail slot, and each axle is assembled by each axle The side of the carriage is such that each carriage is driven by each of the sliding wheel bodies to be reciprocally and laterally displaced outside the limit rails. The lifting structure of the adjustable lifting table according to claim 1, wherein the two parallel connecting rods of the connecting rod adjusting mechanism comprise two opposite feet, and the bottoms of the two legs are respectively assembled on the base 2 One side of the fixed frame body on the side, and one side of each fixed frame body is provided with a two-legged rod The joint portion of the movable assembly, and each joint portion includes a main frame plate protruding from one side of each fixed frame body, a sub-frame plate that is assembled on one side of the main frame plate, and each of the joint portions is respectively provided with a pull When the torsion spring is extended, the extension torsion spring has an extension leg that is fastened to the foot of the leg, and a fixing plate for the extension leg is arranged at the bottom of the leg, and the other leg is further The rod is connected with a strut, and the other side of the strut is connected to the support of each adjusting portion. The lifting structure of the adjustable lifting table according to the first aspect of the invention, wherein the base is provided with two parallel fixing frames, and one side of the two fixing frame body is vertically connected with a connecting rod and two fixing frames. The outer sleeve of the body is provided with a foot sheath.