CN111904146A - Elevating platform convenient to remove - Google Patents

Abstract

The invention discloses a lifting platform convenient to move, which comprises a bottom plate, a first supporting frame and a second supporting frame which are arranged on the bottom plate, and a supporting plate arranged above the bottom plate, a first movable groove is arranged on the bottom plate, an air spring is arranged in the first movable groove, a first movable block is arranged on a piston rod of the air spring, the first movable block is provided with a first connecting groove, the second support frame is rotatably connected in the first connecting groove, the first support frame is rotatably connected to the bottom plate, the top of the first support frame is rotatably connected to the bottom of the support plate, the top of the second support frame is rotatably connected with the bottom of the support plate, the bottom of the bottom plate is provided with a second movable groove, the second movable groove is internally provided with a first rotating roller, the first rotating roller is provided with a crawler belt in a winding mode, and the bottom plate is provided with a first fixing block matched with the crawler belt.

Description

Elevating platform convenient to remove

Technical Field

The invention belongs to the technical field of furniture, and particularly relates to a lifting platform convenient to move.

Background

For satisfying people's demand of sitting and standing office in turn, the workstation of liftable appears on the market, can adjust according to user's different postures, this kind of product is used in current fixed height's desk, adjust the height of upper mounting plate through the lifing arm, general desktop is all bigger than the elevating platform, the elevating platform needs to remove in order to satisfy user's comfort level sometimes on the desktop, but the weight of elevating platform is general great, can place the slipmat in the elevating platform bottom for guaranteeing fixed effect, be difficult to directly stimulate the elevating platform and remove on the desktop, reduce the use travelling comfort of elevating platform.

Disclosure of Invention

The invention provides a lifting platform which is convenient to use and move in order to overcome the defects of the prior art.

In order to achieve the purpose, the invention adopts the following technical scheme: a lifting platform convenient to move comprises a bottom plate, a first supporting frame and a second supporting frame which are arranged on the bottom plate, and a supporting plate arranged above the bottom plate, a first movable groove is arranged on the bottom plate, an air spring is arranged in the first movable groove, a first movable block is arranged on a piston rod of the air spring, the first movable block is provided with a first connecting groove, the second support frame is rotatably connected in the first connecting groove, the first support frame is rotatably connected to the bottom plate, the top of the first support frame is rotatably connected to the bottom of the support plate, the top of the second support frame is rotatably connected with the bottom of the support plate, the bottom of the bottom plate is provided with a second movable groove, a first rotating roller is arranged in the second movable groove, a crawler belt is wound on the first rotating roller, and a first fixed block matched with the crawler belt is arranged on the bottom plate; when the lifting platform is arranged on the desktop, the crawler is arranged on the desktop, and the lifting platform can move in opposite directions of the crawler under the arrangement of the crawler, so that the position of the lifting platform can be adjusted according to the standing posture and the sitting posture of a user, the applicability of the lifting platform is increased, and the use comfort of the lifting platform is improved; the lifting table is moved by the aid of the tracks, so that the lifting table can move on the table top while the fixing effect of the lifting table is guaranteed, and the lifting table is safer to use; when the lifting platform does not need to be moved, the first fixing block can be used for fixing the crawler belt, so that the crawler belt is prevented from rolling when the lifting platform is used, the fixing effect of the lifting platform is further improved, and the lifting platform is prevented from moving when the lifting platform is used; when the elevating platform rises, the air spring pushes the first movable block to move towards the direction close to the air spring, the first movable block drives the second support frame to rotate, the second support frame drives the first support frame to rotate together, the support plate rises under the mutual cooperation of the first support frame and the second support frame, and therefore the articles in the support plate are lifted, a user can stand to use the support plate, and the requirement of people for sitting and standing alternative office work is met.

A first through groove is formed in the top of the second movable groove, the first fixed block penetrates through the first through groove, a first sliding block is arranged on the side wall of the first fixed block, and a first sliding groove matched with the first sliding block is formed in the inner wall of the first through groove; the first logical groove one side is equipped with the second and leads to the groove, the second leads to the inslot and wears to be equipped with the second movable block, the second movable block bottom is equipped with the sucking disc.

Be equipped with the second spread groove on the second activity inslot wall, first change roller both ends be equipped with respectively with second spread groove matched with first connecting axle, second spread groove one side be equipped with the first movable chamber of second spread groove matched with, second movable block bottom is equipped with first gag lever post, first gag lever post is worn to locate first movable intracavity, first gag lever post bottom is equipped with the rubber pad, first fixed block with the second movable block links to each other through a first connecting plate.

The bottom plate is provided with a first cavity, an air bag is arranged in the first cavity, the bottom plate is provided with a second cavity, the side wall of the second cavity is provided with a connecting cavity communicated with the first cavity, the top of the second cavity is provided with a third movable groove, a first sealing plate matched with the connecting cavity is arranged in the third movable groove in a penetrating mode, a first connecting rod is arranged in the second cavity in a penetrating mode, the bottom of the first connecting rod is provided with a first push plate, the top of the first push plate is provided with a second push plate, and the bottom of the first push plate is provided with a first reset spring.

A third through groove is formed in the bottom of the second cavity, a second sealing plate is rotatably connected in the second cavity, two partition plates are arranged in the second cavity, the first push plate is arranged between the two partition plates, and a fourth through groove is formed in each partition plate; and a fourth movable groove is formed in the inner wall of the second cavity, and a second connecting plate matched with the fourth movable groove is arranged on the first sealing plate.

A first connecting block is arranged at the bottom of the second movable block, a third cavity is arranged on the first connecting block, a fourth cavity communicated with the third cavity is arranged on the second movable block, a connecting pipe penetrates through the third cavity, the sucker is arranged at the bottom of the connecting pipe, and a limiting ring is arranged at the top of the connecting pipe; the inner wall of the fourth cavity is provided with a fifth movable groove, a sealing spring is arranged in the fifth movable groove, one end of the sealing spring is provided with a third sealing plate, the top of the fifth movable groove is provided with a sixth movable groove, and the third sealing plate is provided with a first convex block matched with the sixth movable groove.

A through cavity is formed in the supporting plate, a groove is formed in the bottom of the through cavity, a second connecting rod is arranged in the groove and penetrates through the through cavity, a connecting disc is arranged at the top of the second connecting rod, and a fifth cavity is formed in the connecting disc; the cavity bottom still is equipped with the seventh movable groove, be equipped with first supporting spring in the seventh movable groove, first supporting spring top is equipped with first stopper, the cavity top is equipped with the eighth movable groove, be equipped with first limiting spring in the eighth movable groove, first limiting spring one end is equipped with the limiting plate.

The improved roller is characterized in that a first mounting groove is formed in the bottom of the through cavity, a mounting block is arranged in the first mounting groove, a second mounting groove is formed in the mounting block, a second rotating roller is arranged in the second mounting groove, a plurality of fan blades are arranged on the second rotating roller, a motor is arranged on one side of the second rotating roller, a driving wheel matched with the second rotating roller is arranged on an output shaft of the motor, a third connecting groove is formed in the side wall of the second mounting groove, and second connecting shafts matched with the third connecting groove are respectively arranged at two ends of the second rotating roller.

The mounting block is provided with a fifth through groove, a second limiting block is arranged in the fifth through groove in a penetrating mode, a second limiting groove matched with the second limiting block is formed in the inner wall of the first mounting groove, a sixth through groove is formed in the second limiting block, a second limiting rod matched with the sixth through groove is arranged in the fifth through groove, a second supporting spring is arranged on the second limiting rod, a ninth movable groove is formed in the inner wall of the second mounting groove, a connecting rope is arranged at one end of the second limiting block and is arranged in the ninth movable groove, a pushing block is arranged in the ninth movable groove, a second sliding block is arranged on the pushing block, a second sliding groove matched with the second sliding block is formed in the inner wall of the ninth movable groove, and a second reset spring is arranged on the pushing block.

Be equipped with the third mounting groove on the first activity inslot wall, be equipped with the mounting panel in the third mounting groove, be equipped with second activity chamber on the mounting panel, second activity intracavity is equipped with coupling spring, coupling spring one end is equipped with the fly leaf, be equipped with a plurality of second fixed blocks on the fly leaf, be equipped with on the second activity chamber lateral wall a plurality of with second fixed block matched with seventh logical groove, be equipped with on the first activity piece lateral wall a plurality of with second fixed block matched with fixed slot, be equipped with the electro-magnet on the second activity intracavity wall.

The invention has the following advantages: when the elevating platform is arranged on the desktop, the crawler is arranged on the desktop, and the elevating platform can move in the opposite direction of the crawler under the arrangement of the crawler, so that the elevating platform can adjust the position according to the standing posture and the sitting posture of a user, the applicability of the elevating platform is increased, and the use comfort of the elevating platform is improved.

Drawings

FIG. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a right side view of the present invention.

Fig. 3 is a cross-sectional view taken along a-a in fig. 2.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is an enlarged view of fig. 3 at B.

Fig. 6 is a cross-sectional view taken along line B-B of fig. 2.

Fig. 7 is an enlarged view of fig. 6 at C.

Fig. 8 is a cross-sectional view taken along line C-C of fig. 2.

Fig. 9 is an enlarged view of fig. 8 at D.

Fig. 10 is a cross-sectional view taken along line D-D in fig. 2.

Fig. 11 is an enlarged view of fig. 10 at E.

Fig. 12 is a cross-sectional view taken along line E-E of fig. 2.

Fig. 13 is an enlarged view of fig. 12 at F.

Fig. 14 is a cross-sectional view taken along F-F in fig. 2.

Fig. 15 is an enlarged view at G in fig. 14.

Fig. 16 is a cross-sectional view taken along G-G in fig. 2.

Fig. 17 is an enlarged view at H in fig. 16.

Fig. 18 is an enlarged view at I in fig. 17.

Fig. 19 is a sectional view taken along H-H in fig. 2.

Fig. 20 is an enlarged view at J in fig. 19.

Fig. 21 is a cross-sectional view taken along line I-I in fig. 2.

Fig. 22 is an enlarged view at K in fig. 21.

Fig. 23 is a front view of the present invention.

Fig. 24 is a cross-sectional view taken along J-J in fig. 23.

Fig. 25 is an enlarged view at L in fig. 24.

Fig. 26 is a cross-sectional view taken along L-L of fig. 23.

Fig. 27 is an enlarged view of fig. 26 at M.

Fig. 28 is a cross-sectional view taken along line K-K of fig. 23.

Fig. 29 is an enlarged view of fig. 28 at N.

Detailed Description

As shown in fig. 1-29, a lifting platform convenient to move comprises a bottom plate 1, a first support frame 2 and a second support frame 2 arranged on the bottom plate 1, and a support plate 4 arranged above the bottom plate 1, wherein the bottom plate 1 is provided with a first movable groove 11, an air spring 12 is arranged in the first movable groove 11, the support plate is provided with an air spring switch, a piston rod of the air spring 12 is provided with a first movable block 13, the first movable block 13 is provided with a first connecting groove, the second support frame 3 is rotatably connected in the first connecting groove, the first support frame 2 is rotatably connected on the bottom plate 1, the bottom plate is provided with a second connecting block 14, the first support frame is rotatably connected on the second connecting block, the middle parts of the first support frame and the second support frame are hinged at one point, the top of the first support frame 2 is rotatably connected at the bottom of the support plate, the top of the second support frame 3 is rotatably connected to the bottom of the support plate 4, and when the air spring pushes the first movable block to move in the first movable groove, the second support frame moves along with the first movable block, so that one ends of the first support frame and the second support frame are turned upwards, the support plate is pushed to move upwards, and the lifting movement of the support plate is completed; a second movable groove 17 is formed in the bottom of the bottom plate 1, a first rotating roller 120 is arranged in the second movable groove 17, a crawler belt 16 is wound on the first rotating roller 120, the crawler belt is made of rubber, the friction force between the crawler belt and a table top is increased, and a first fixed block 14 matched with the crawler belt 16 is arranged on the bottom plate 1; when the lifting platform is arranged on the desktop, the crawler is arranged on the desktop, and the lifting platform can move in opposite directions of the crawler under the arrangement of the crawler, so that the position of the lifting platform can be adjusted according to the standing posture and the sitting posture of a user, the applicability of the lifting platform is increased, and the use comfort of the lifting platform is improved; the lifting table is moved by the aid of the tracks, so that the lifting table can move on the table top while the fixing effect of the lifting table is guaranteed, and the lifting table is safer to use; when the lifting platform does not need to be moved, the first fixing block can be used for fixing the crawler belt, so that the crawler belt is prevented from rolling when the lifting platform is used, the fixing effect of the lifting platform is further improved, and the lifting platform is prevented from moving when the lifting platform is used; when the elevating platform rises, the air spring pushes the first movable block to move towards the direction close to the air spring, the first movable block drives the second support frame to rotate, the second support frame drives the first support frame to rotate together, the support plate rises under the mutual cooperation of the first support frame and the second support frame, and therefore the articles in the support plate are lifted, a user can stand to use the support plate, and the requirement of people for sitting and standing alternative office work is met.

A first through groove is formed in the top of the second movable groove 17, the first fixed block 14 penetrates through the first through groove, a friction pad is arranged at the bottom of the first fixed block, and the friction pad can be made of a plurality of longitudinal and transverse rubber pads arranged on the bottom surface; a first sliding block 141 is arranged on the side wall of the first fixed block 14, a first sliding groove matched with the first sliding block 141 is arranged on the inner wall of the first through groove, and a third return spring 142 is arranged at the bottom of the first sliding block; a second through groove is formed in one side of the first through groove, a second movable block 15 penetrates through the second through groove, and a sucking disc 1541 is arranged at the bottom of the second movable block 15; when the lifting table is used, the lifting table is placed on a table top, the lifting table moves to a designated position, the fixing block is pushed downwards, the bottom surface of the fixing block abuts against the crawler belt, the contact effect of the fixing block and the crawler belt is increased under the contact of the friction pad and the crawler belt, the crawler belt is fixed, and the lifting table is placed on the designated position of the table top after the crawler belt cannot rotate; when the first fixed block is pushed to move downwards, the first fixed block drives the second movable block to move downwards, the sucker is pressed on the table top, the sucker is made to be adsorbed on the table top, the sucker is matched with the fixed block, the fixing effect on the lifting table is improved, the lifting table cannot move when in use, and the use stability of the lifting table is improved; utilize the sucking disc to play the fixed action to first fixed block, make first fixed block continuously press on the track surface, guarantee the contact effect of first fixed block and track, play the fixed action to the track, peel off the back with the sucking disc from the desktop, first slider up-movement under the effect of third reset spring makes fixed block and track throw off the contact to directly promote the elevating platform and remove on the desktop.

A second connecting groove is formed in the inner wall of the second movable groove 17, a first connecting shaft 1201 matched with the second connecting groove is respectively arranged at two ends of the first rotating roller 120, a first movable cavity 130 matched with the second connecting groove is formed in one side of the second connecting groove 1201, a first limiting rod 152 is arranged at the bottom of the second movable block 15, the first limiting rod 152 penetrates through the first movable cavity 130, a rubber pad is arranged at the bottom of the first limiting rod 152, and the first fixed block 14 is connected with the second movable block 15 through a first connecting plate; under the action of the first connecting plate, the first fixed block moves to drive the second movable block to move so as to fix the fixed block by using the sucking disc; when promoting the second movable block and down moving, the second movable block drives first gag lever post and down moves, and first gag lever post presses on first connecting axle, increases the fixed effect of first gag lever post to first connecting axle under the rubber pad setting, mutually supports with the fixed block and plays fixed action to the track, promotes the fixed effect to the elevating platform.

The bottom of the bottom plate 1 is provided with a first cavity, an air bag 160 is arranged in the first cavity, the four groups of first cavities are respectively arranged at four corners of the bottom surface of the bottom plate, the bottom plate 1 is provided with a second cavity 18, the side wall of the second cavity 18 is provided with a connecting cavity communicated with the first cavity, the top of the second cavity is provided with a third movable groove, a first sealing plate 140 matched with the connecting cavity is arranged in the third movable groove in a penetrating manner, a first connecting rod 19 is arranged in the second cavity in a penetrating manner, the bottom of the first connecting rod 19 is provided with a first push plate 191, the top of the first push plate is provided with a second push plate 192, and the bottom of the first push plate 191 is provided with a first reset spring 193; when a user needs to adjust the inclination of the lifting platform, taking the lifting platform to be inclined backwards as an example, the first sealing plate is pushed to be pushed away from one side of the connecting cavity, the second cavity is communicated with the first cavity through the connecting cavity, the second pushing plate is pushed to move downwards, the second pushing plate drives the first pushing plate to move downwards, air flow is sent into the first cavity, the air flow in the first cavity enters the air bag, the air bag swells under the action of air pressure, the front end of the bottom plate is pushed to rise after the volume of the air bag is increased, so that the whole lifting platform is inclined backwards, and the inclination angle of the lifting platform is adjusted; the inclination of the lifting platform is adjusted by inflating the air bag, so that the lifting platform has various different inclination angles, different requirements of people with different heights are met, and the use comfort of the lifting platform is further improved; control is done to opening and close of connecting the chamber through first closing plate, makes required first cavity open to can make the elevating platform tilt forward or tilt backward as required, the adaptation is adjusted the multi-angle of elevating platform, so that look for comfortable angle, the suitability of effectual increase elevating platform for the use.

The bottom of the second cavity 18 is provided with a third through groove 181, a second sealing plate 182 is rotatably connected in the second cavity 18, two partition plates 183 are arranged in the second cavity 18, the first push plate 191 is arranged between the two partition plates 183, and the partition plates 183 are provided with fourth through grooves 184; a fourth movable groove 182 is formed in the inner wall of the second cavity 18, and a second connecting plate 1401 matched with the fourth movable groove 182 is arranged on the first sealing plate 140; the third through groove is also arranged between the two clapboards, when the first push plate moves upwards, the second sealing plate overturns upwards, air enters the second cavity from the third through groove, when the first push plate moves downwards, the air between the two clapboards is extruded to enter the second cavity, when the connecting cavity on one side is opened, airflow in the second movable cavity enters the connecting cavity, the airflow enters the first cavity through the connecting cavity, so that the air bag is inflated under the action of air pressure, and the inclination angle of the lifting platform is adjusted; when the first sealing plate is pushed to move, the second connecting plate moves in the fourth movable groove, the second connecting plate is matched with the fourth movable groove to limit the first sealing plate, and meanwhile, the second connecting plate seals the third movable groove to prevent air flow from leaking out of the third movable groove and ensure that enough air flow in the air bag makes the air bag swell; when the inclination angle of the lifting platform is adjusted, air can be filled into the corresponding air bags to expand the air bags only by pushing the second push plate, the first push plate can automatically rise under the action of the first return spring, the whole lifting platform does not need to be supported for adjustment, and the difficulty in adjusting the inclination angle of the lifting platform is reduced; set up down at the baffle, make first push pedal lateral wall laminate with the baffle lateral wall all the time to can release the air current of whole first push pedal bottom from between two baffles when first push pedal down moves, make first push pedal quick when up-and-down motion be full of the gasbag, make the angle modulation of elevating platform more convenient.

A first connecting block 153 is arranged at the bottom of the second movable block 15, a third cavity is arranged on the first connecting block 153, a fourth cavity 151 communicated with the third cavity is arranged on the second movable block 15, a connecting pipe 154 is arranged in the third cavity in a penetrating manner, the sucking disc 1541 is arranged at the bottom of the connecting pipe 154, and a limiting ring is arranged at the top of the connecting pipe 154; a fifth movable groove is formed in the inner wall of the fourth cavity 151, a sealing spring 144 is arranged in the fifth movable groove, a third sealing plate 145 is arranged at one end of the sealing spring 144, a sixth movable groove is formed in the top of the fifth movable groove, and a first bump 1451 matched with the sixth movable groove is arranged on the third sealing plate 145; when the second movable block moves downwards, the first connecting block is driven to move downwards, the sucking disc is pressed on the table top, and the limiting ring abuts against the top of the third movable cavity, so that the sucking disc is adsorbed on the table top; when the angle of the lifting table is adjusted, one side of the lifting table is lifted, and the connecting pipe moves in the third cavity, so that the sucking disc is always adsorbed on the table top, and the lifting table is guaranteed to have a good fixing effect when inclined; when the lifting platform needs to be taken down or moved, the third sealing plate is pushed into the fifth movable groove, the third sealing plate which is abutted against the inner wall of the fourth cavity is pushed away, the fourth cavity is communicated with the outside, air enters the connecting pipe through the fourth cavity, the air pressure inside and outside the sucker is kept balanced and then is separated from the table top, the first fixed block moves upwards under the action of the third reset spring to drive the second movable block to move upwards, the lifting platform is pushed along the crawler direction, and the lifting platform can be directly pushed to move on the table top; under the first lug setting, for the third closing plate provides the stress point, can be convenient promote the third closing plate to remove to make the sucking disc break away from the desktop automatically, make the fixed of elevating platform break away from more convenient.

A through cavity 44 is formed in the supporting plate 4, a groove is formed in the bottom of the through cavity 44, a second connecting rod 412 is arranged in the groove, the second connecting rod 412 penetrates through the through cavity 44, a connecting disc 41 is arranged at the top of the second connecting rod 412, a fifth cavity 411 is formed in the connecting disc 41, and the top of the connecting disc is higher than that of the supporting plate; a seventh movable groove is further formed in the bottom of the through cavity 44, a first supporting spring 421 is arranged in the seventh movable groove, a first limiting block 42 is arranged at the top of the first supporting spring 421, an eighth movable groove is formed in the top of the cavity, a first limiting spring 451 is arranged in the eighth movable groove, a limiting plate 45 is arranged at one end of the first limiting spring 451, a slot is formed in the top of the eighth movable groove, and the limiting plate can be moved away from the top of the first limiting block completely under the arrangement of the slot, so that the first limiting block can be lifted up from the supporting plate; after the supporting plate is lifted, the air speed at the supporting plate is higher than that at the bottom due to the fact that the height of the supporting plate is raised, air flow passes through the through cavity, the heat dissipation effect is achieved on a computer on the supporting plate, and the performance of the computer is improved; the connecting disc is made of rubber, after the computer is placed on the supporting plate, the computer is pressed on the connecting disc, the connecting disc is extruded under the gravity of the computer to enable the connecting disc to deform, the top of the connecting disc is abutted against the bottom of the computer, and the friction force between the computer and the surface of the supporting plate is increased under the action of the connecting disc, so that the fixing effect of the computer on the supporting plate is improved, and the computer is prevented from sliding off the surface of the supporting plate when the lifting platform inclines; when the inclination angle of the lifting table is larger, the limiting plate is pushed into the eighth movable groove, the limiting plate is moved away from the top of the first limiting block, the first limiting block moves upwards under the action of the first supporting spring, the top of the first limiting block protrudes out of the top of the supporting plate, the first limiting block is utilized to provide supporting force for the computer, and the computer is prevented from sliding off the supporting plate after the supporting plate is inclined; when the first limiting block is not used, the first limiting block is pressed onto the supporting plate, the first limiting block is pressed into the seventh movable groove, after the first limiting block moves to the bottom of the limiting plate, the limiting plate moves out under the action of the first limiting spring, the limiting plate moves to the top of the first limiting block, the first limiting block is fixed by the limiting plate, and meanwhile, the limiting plate seals the opening in the supporting plate, so that articles on the supporting plate are prevented from falling into the through cavity; under the cooperation of first supporting spring and first spacing spring, when needing first supporting shoe to rise, only need promote the limiting plate and remove first stopper can rise automatically, when needing first supporting shoe to descend, only need promote first stopper limiting plate that moves down can automatic movement to first stopper top, reduce the operation degree of difficulty to first stopper, make the use of elevating platform more convenient.

A first mounting groove is formed in the bottom of the through cavity 44, a mounting block 43 is arranged in the first mounting groove, a second mounting groove 431 is formed in the mounting block 43, a second rotary roller 432 is arranged in the second mounting groove 431, a plurality of fan blades 4321 are arranged on the second rotary roller 432, a motor 433 is arranged on one side of the second rotary roller 432, a driving wheel 434 matched with the second rotary roller 432 is arranged on an output shaft of the motor 433, a third connecting groove is formed in the side wall of the second mounting groove 431, and second connecting shafts matched with the third connecting groove are respectively arranged at two ends of the second rotary roller 432; after the computer generates larger heat after being used for a long time, the motor is started, the motor drives the driving wheel to rotate, the driving wheel drives the second rotating roller to rotate, the second rotating roller drives the fan blades to rotate when rotating, more air flow is introduced into the through cavity under the action of the fan blades, the air flow rapidly passes through the through cavity, the heat on the supporting plate is taken away by the air flow, and the temperature of the computer on the supporting plate is reduced; be equipped with the blotter on the lateral wall on the installation piece, the blotter is made for corrugate plastic paper, utilizes the blotter to do the absorption to the vibrations that the motor during operation produced, avoids the vibrations transmission of motor to influence user's use comfort in the backup pad.

A tenth movable groove is formed in the inner wall of the third connecting groove, a third limiting block is arranged in the tenth movable groove, a second limiting spring is arranged on the side wall of the third limiting block, an eleventh movable groove is formed in the top of the tenth movable groove, a second protruding block matched with the eleventh movable groove is arranged on the third limiting block, and after the second connecting shaft is located in the third connecting groove, the third limiting block moves into the third connecting groove to play a role in fixing the second connecting shaft under the action of the third limiting block, so that the use stability of the second rotating roller is ensured; when changing the second and changeing the roller, push the tenth movable groove with the third stopper in, the third spread groove is in the state of opening, can directly take out the second connecting axle from the third spread groove, changes the flabellum on the roller to the second and does the clearance, reduces the flabellum and maintains the degree of difficulty.

A fifth through groove is formed in the mounting block 43, a second limiting block 438 penetrates through the fifth through groove, a second limiting groove matched with the second limiting block 438 is formed in the inner wall of the first mounting groove, a sixth through groove is formed in the second limiting block 438, a second limiting rod 439 matched with the sixth through groove is arranged in the fifth through groove, a second supporting spring 4391 is arranged on the second limiting rod 439, a ninth movable groove 436 is formed in the inner wall of the second mounting groove 431, a connecting rope 437 is arranged at one end of the second limiting block 438, the connecting rope 437 is arranged in the ninth movable groove 436, a push block 435 is arranged in the ninth movable groove 436, a second sliding block is arranged on the push block 435, a second sliding groove matched with the second sliding block is formed in the inner wall of the ninth movable groove 436, and a second reset spring 4351 is arranged on the push block 435; when the mounting block is positioned in the first mounting groove, the second limiting block is embedded in the limiting groove, and under the mutual matching of the second limiting block and the limiting groove, the mounting block is fixed, so that the mounting plate is stably arranged in the first mounting groove, and the mounting block is prevented from falling out of the first mounting groove when the lifting platform is used; when the motor and the fan blades are maintained, a hand is inserted into the through cavity, the side wall of the second mounting groove is held, the push block is pushed to move into the ninth movable groove, the push block pushes the connecting rope to move into the ninth movable groove, the connecting rope pulls the second limiting block to move into the second mounting groove, and the second limiting block is separated from the limiting groove, so that the mounting block can be directly pulled out of the first mounting groove, and the motor and the fan blades in the mounting block can be maintained; after motor and flabellum have been maintained, hold second mounting groove lateral wall, pack the installation piece into first mounting groove in, the second stopper moves toward spacing inslot under the second supporting spring effect, makes second stopper and spacing groove form the cooperation, fixes the installation piece in first mounting groove to utilize the flabellum to provide good radiating effect for the computer.

A third mounting groove is formed in the inner wall of the first movable groove 11, a mounting plate 150 is arranged in the third mounting groove, a second movable cavity is formed in the mounting plate 150, a connecting spring 1503 is arranged in the second movable cavity, a movable plate 1501 is arranged at one end of the connecting spring 1503, a plurality of second fixed blocks 1502 are arranged on the movable plate 1501, a plurality of seventh through grooves matched with the second fixed blocks 1502 are formed in the side wall of the second movable cavity, a plurality of fixing grooves matched with the second fixed blocks 1502 are formed in the side wall of the first movable block 13, and an electromagnet is arranged on the inner wall of the second movable cavity; when the height of the adjusting support plate is adjusted, the switch on the support plate is pressed, the electromagnet is electrified to generate magnetic force, the movable plate moves towards one side of the second movable cavity, the second fixed block enters the second movable cavity, the movable block is driven to move by the air spring, the movable block moves to drive the second support frame to rotate, the height of the support plate is adjusted, after the height of the support plate is adjusted, the switch on the support plate is released, the air spring stops working, the electromagnet is powered off, the connecting spring pushes the movable plate to move towards the outer side of the second movable cavity, the second fixed block stretches out from the seventh through groove, the second fixed block is embedded into the fixed groove, the second fixed block is utilized to fix the first movable block, the burden of the air spring is relieved.

The air spring and the motor in the attached drawings of the application are both schematic diagrams, and the specific structures of the air spring and the motor are the same as those of the air spring and the motor in the prior art.

Claims (10)

1. A lifting platform convenient to move comprises a bottom plate (1), a first support frame (2) and a second support frame (2) which are arranged on the bottom plate (1), and a support plate (4) which is arranged above the bottom plate (1), wherein a first movable groove (11) is arranged on the bottom plate (1), an air spring (12) is arranged in the first movable groove (11), a first movable block (13) is arranged on a piston rod of the air spring (12), a first connecting groove is arranged on the first movable block (13), the second support frame (3) is rotatably connected in the first connecting groove, the first support frame (2) is rotatably connected on the bottom plate (1), the top of the first support frame (2) is rotatably connected at the bottom of the support plate (4), the top of the second support frame (3) is rotatably connected at the bottom of the support plate (4), the method is characterized in that: the bottom plate (1) bottom is equipped with second activity groove (17), be equipped with first commentaries on classics roller (120) in second activity groove (17), around being equipped with track (16) on first commentaries on classics roller (120), be equipped with on bottom plate (1) with track (16) matched with first fixed block (14).

2. A portable lift table according to claim 1 wherein: a first through groove is formed in the top of the second movable groove (17), the first fixed block (14) penetrates through the first through groove, a first sliding block (141) is arranged on the side wall of the first fixed block (14), and a first sliding groove matched with the first sliding block (141) is formed in the inner wall of the first through groove; a second through groove is formed in one side of the first through groove, a second movable block (15) penetrates through the second through groove, and a sucker (1541) is arranged at the bottom of the second movable block (15).

3. A portable lift table according to claim 2 wherein: be equipped with the second spread groove on second movable groove (17) inner wall, first commentaries on classics roller (120) both ends be equipped with respectively with first connecting axle (1201) of second spread groove matched with, second spread groove (1201) one side be equipped with second through groove matched with first movable chamber (130), second movable block (15) bottom is equipped with first gag lever post (152), first gag lever post (152) wear to locate in first movable chamber (130), first gag lever post (152) bottom is equipped with the rubber pad, first fixed block (14) with second movable block (15) link to each other through a first connecting plate.

4. A portable lift table according to claim 1 wherein: the bottom plate (1) bottom is equipped with first cavity, be equipped with gasbag (160) in the first cavity, be equipped with second cavity (18) on bottom plate (1), be equipped with on second cavity (18) lateral wall with the communicating connection chamber of first cavity, the second cavity top is equipped with the third movable groove, wear to be equipped with in the third movable groove with connect chamber matched with first closing plate (140), wear to be equipped with head rod (19) in the second cavity, head rod (19) bottom is equipped with first push pedal (191), and the top is equipped with second push pedal (192), first push pedal (191) bottom is equipped with first reset spring (193).

5. A portable lift table according to claim 4 wherein: a third through groove (181) is formed in the bottom of the second cavity (18), a second sealing plate (182) is rotatably connected in the second cavity (18), two partition plates (183) are arranged in the second cavity (18), the first push plate (191) is arranged between the two partition plates (183), and a fourth through groove (184) is formed in each partition plate (183); a fourth movable groove (182) is arranged on the inner wall of the second cavity (18), and a second connecting plate (1401) matched with the fourth movable groove (182) is arranged on the first sealing plate (140).

6. A portable lift table according to claim 3 wherein: a first connecting block (153) is arranged at the bottom of the second movable block (15), a third cavity is arranged on the first connecting block (153), a fourth cavity (151) communicated with the third cavity is arranged on the second movable block (15), a connecting pipe (154) penetrates through the third cavity, the sucking disc (1541) is arranged at the bottom of the connecting pipe (154), and a limiting ring is arranged at the top of the connecting pipe (154); a fifth movable groove is formed in the inner wall of the fourth cavity (151), a sealing spring (144) is arranged in the fifth movable groove, a third sealing plate (145) is arranged at one end of the sealing spring (144), a sixth movable groove is formed in the top of the fifth movable groove, and a first bump (1451) matched with the sixth movable groove is arranged on the third sealing plate (145).

7. A portable lift table according to claim 1 wherein: a through cavity (44) is formed in the supporting plate (4), a groove is formed in the bottom of the through cavity (44), a second connecting rod (412) is arranged in the groove, the second connecting rod (412) penetrates through the through cavity (44), a connecting disc (41) is arranged at the top of the second connecting rod (412), and a fifth cavity (411) is formed in the connecting disc (41); lead to chamber (44) bottom and still be equipped with seventh activity groove, be equipped with first supporting spring (421) in the seventh activity groove, first supporting spring (421) top is equipped with first stopper (42), the cavity top is equipped with eighth activity groove, be equipped with first spacing spring (451) in the eighth activity inslot, first spacing spring (451) one end is equipped with limiting plate (45).

8. A portable lift table according to claim 7 wherein: lead to chamber (44) bottom and be equipped with first mounting groove, be equipped with installation piece (43) in the first mounting groove, be equipped with second mounting groove (431) on installation piece (43), it changes roller (432) to be equipped with the second in second mounting groove (431), the second is changeed and is equipped with a plurality of flabellums (4321) on roller (432), roller (432) one side is changeed to the second is equipped with motor (433), be equipped with on motor (433) output shaft with roller (432) matched with drive wheel (434) is changeed to the second, be equipped with the third spread groove on second mounting groove (431) lateral wall, the second change roller (432) both ends be equipped with respectively with third spread groove matched with second connecting axle.

9. A portable lift table according to claim 8 wherein: a fifth through groove is formed in the mounting block (43), a second limiting block (438) penetrates through the fifth through groove, a second limiting groove matched with the second limiting block (438) is formed in the inner wall of the first mounting groove, a sixth through groove is formed in the second limiting block (438), a second limiting rod (439) matched with the sixth through groove is arranged in the fifth through groove, a second supporting spring (4391) is arranged on the second limiting rod (439), a ninth movable groove (436) is formed in the inner wall of the second mounting groove (431), a connecting rope (437) is arranged at one end of the second limiting block (438), the connecting rope (437) is arranged in the ninth movable groove (436), a push block (435) is arranged in the ninth movable groove (436), a second sliding block is arranged on the push block (435), and a second sliding groove matched with the second sliding block is formed in the inner wall of the ninth movable groove (436), and a second return spring (4351) is arranged on the push block (435).

10. A portable lift table according to claim 1 wherein: be equipped with the third mounting groove on first activity groove (11) inner wall, be equipped with mounting panel (150) in the third mounting groove, be equipped with second activity chamber on mounting panel (150), second activity intracavity is equipped with connecting spring (1503), connecting spring (1503) one end is equipped with fly leaf (1501), be equipped with a plurality of second fixed blocks (1502) on fly leaf (1501), be equipped with on the second activity chamber lateral wall a plurality of with second fixed block (1502) matched with seventh logical groove, be equipped with on first movable block (13) lateral wall a plurality of with second fixed block (1502) matched with fixed slot, be equipped with the electro-magnet on the second activity intracavity wall.

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