CN210383137U

CN210383137U - Turnover type multifunctional platform

Info

Publication number: CN210383137U
Application number: CN201921083691.0U
Authority: CN
Inventors: 王正浩; 许银芝
Original assignee: Weifang Zhengzheng Smart Home Co ltd
Current assignee: Weifang Zhengzheng Smart Home Co ltd
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2020-04-24
Anticipated expiration: 2029-07-11

Abstract

The utility model relates to a convertible multifunctional platform, it includes the platform body and is used for the support body of supporting platform body, sets up the opening that link up platform body top surface and bottom surface on the platform body, and the alternative is packaged with the upset flat board or the lift is dull and stereotyped on the opening of platform body, and the below of platform body is provided with the upset actuating mechanism that slides that can drive the upset flat board upset and fall the platform body below, and the below of platform body is provided with the lift actuating mechanism that can drive the dull and stereotyped lift of lift. The utility model discloses a switching between function platform and the flat platform is used to having designed ingenious upset drive assembly that slides, having guaranteed the upset effect of sliding, not only having saved the space but also not influencing lifting unit's action, still having left sufficient functional unit and placed the space, simple structure, the action is reliable and stable, easily popularizes and implements.

Description

Turnover type multifunctional platform

Technical Field

The utility model relates to a function house field, specific convertible multifunctional platform that says so.

Background

Common tea table, dining table etc. generally are simple platform formula structure, place multiple functional unit such as tableware, tea set on the platform, and platform surface article are placed mixed and disorderly unordered, when needs exclusive use platform is as other usage, must all pick up each functional unit, and the operation is wasted time and energy, uses inconveniently. Especially, kungfu tea table, functional component on kungfu tea table generally includes a plurality of subassemblies such as kettle, the base of heating up water, disinfection bowl, tea set, and the tea seat of some models still will heat up the base and directly inlay the dress on tea table platform, and other functional component have also occupied the very big space of tea table platform, and the tea table can't use as dining table or platform formula tea table again, and the function is more single.

Based on the above problems, the applicant of the present application has developed a multifunctional platform, which places functional components on a lifting platform through a structure including the lifting platform and a movable cover plate, and when the functional components are not needed, the lifting platform is lowered below the platform, and the movable cover plate covers a gap on the platform, so that various functions can be switched. According to the specific structure and the moving mode of the movable cover plate, the multifunctional platform is divided into a sliding plate type platform and a turnover flat plate type platform, and the scheme is mainly used for the turnover type platform.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a stable in structure is reliable, convenient, the convertible multifunctional platform that can expand the platform function of simple to use.

For solving the technical problem, the utility model discloses a convertible multifunctional platform, it includes the platform body and is used for the support body of supporting platform body, sets up the opening that link up platform body top surface and bottom surface on the platform body, and its structural feature is the alternative is encapsulated with the upset flat board or goes up and down dull and stereotypedly on the opening of platform body, and the below of platform body is provided with the upset actuating mechanism that slides that can drive the upset flat board upset and fall the platform body below, and the below of platform body is provided with the lift actuating mechanism that can drive the dull and stereotyped lift of lift.

By adopting the structure, functional components such as tea sets and the like are placed or installed on the lifting flat plate, when the turnover flat plate is packaged on the opening, the lifting flat plate and the functional components such as the tea sets and the like on the lifting flat plate are hidden below the platform, and the platform is used as a flat surface; when needs use functional unit, upset slide actuating mechanism drive upset dull and stereotyped the opening and descend the below of platform body to can give out open-ended position, the dull and stereotyped open-ended position department that rises under lift actuating mechanism's effect of lift, functional unit rises to the platform surface, and the platform body uses as functional platforms such as tea table this moment. The utility model discloses a hidden lift dull and stereotyped structure to with the help of the dull and stereotyped flip structure of upset, realized the switching between functional platform and the plane platform, because the dull and stereotyped structure that adopts the upset to slide and stepping down has left the position of functional unit on the lift flat board, makes the action mutually noninterfere between two sets of mechanisms, stable in structure and control simple and convenient.

The specific structure of the overturning and sliding driving mechanism comprises a lifting seat which is driven by a first power mechanism to move along the vertical direction, wherein a connecting plate is hinged to the lifting seat and connected to the end part of an overturning flat plate; both sides of the bottom of the turnover flat plate are provided with positioning rollers which stretch out of the edge of the plate, and two side parts of the support body are provided with track grooves matched with the positioning rollers.

Because the upset actuating mechanism that slides not only needs the dull and stereotyped upset of drive upset, still need drive the dull and stereotyped whereabouts of upset and hide in the below of platform body, just can give out open-ended position to avoid taking place to interfere with the lift flat board, consequently, the removal orbit setting of upset flat board is vital. With the help of the lifting seat and the link plate matched mechanism, the lifting of the lifting seat drives the link plate to lift and swing, the turnover flat plate lifts and swings along with the link plate, the positioning roller is limited in the track groove, the positioning roller plays a role in supporting the turnover flat plate and guiding and positioning, and the shape of the track groove determines the downward movement track of the turnover flat plate.

The location running roller is installed in the dull and stereotyped middle part of upset and is close to one side of yoke plate, in order to realize above-mentioned purpose, and to the concrete shape setting in track groove, the track groove is including the horizontal support rail that is located support body top edge, with horizontal support rail link up and vertical downwardly extending and lean out vertical inclined rail and the bend rail that outwards buckles and form through the bottom of vertical inclined rail. Wherein, in order to guarantee that the location running roller can more smoothly slide the linking position, the linking position of each part in track groove all sets up the circular arc transition.

By adopting the structure, the descending process of the turnover flat plate is taken as an example for explanation, the turnover flat plate is taken as an initial position when being packaged on the opening, the positioning roller at the moment is positioned on the transverse supporting rail, and the lifting seat at the moment is positioned at the highest position. The lifting seat begins to descend to drive the turnover flat plate to begin to turn over by taking the positioning roller as a center, the turnover angle of the turnover flat plate is rapidly increased along with the downward movement of the position of the lifting seat, the turnover flat plate moves backwards along the transverse support rail along with the positioning roller, the angle change range of the turnover flat plate is reduced, the downward movement range of the turnover flat plate is increased in the process that the positioning roller moves backwards to the top end of the vertical inclined rail and slides downwards until the positioning roller slides downwards to the bottom end of the vertical inclined rail, and at the moment, the inner side end edge of the turnover flat plate basically falls below the platform body; so far, above process all is gone on in the scope of opening below, do not let out the open-ended position, consequently, carry and draw the seat to continue to descend, the location running roller gets into the curved rail, with the help of the outside extending direction of curved rail, drive location running roller and returning face plate and do final slip backward, when the location running roller slips the bottom of curved rail, the dull and stereotyped upset angle of upset this moment reaches and is close 90 degrees, and the returning face plate has avoided the open-ended position completely, let out the opening completely, the dull and stereotyped rising that rises of the lift of controlling this moment again.

For the section shapes of all sections of rails of the rail grooves, the vertical inclined rails and the bent rails are rail grooves with concave sections, and the transverse support rails are rail grooves with L-shaped sections. The horizontal support rail sets up the top edge at the support frame body, it adopts the structure of cross-section "L type", make the horizontal support rail of both sides form the cross-section of two relative settings and be the support groove of "L type", can make things convenient for the location running roller of both sides to pack into, simultaneously, can know by the aforesaid, when the dull and stereotyped initial upset of upset, carry the seat and drive the yoke plate pendulum and change, the yoke plate rigid coupling is on the upset flat board, it is possible that the yoke plate directly drives the dull and stereotyped upwarp of upset this moment, make the location running roller break away from the bottom sprag of horizontal support rail and have the trend of upwarp, therefore, the horizontal support rail of cross-section for "L type" only has the holding surface of bottom, the top sets up to uncovered, also reserve out the distance that sufficient location running roller follows the dull and upwarp of upset flat board at the top, thereby the more smooth and easy.

First power unit is used for the drive to carry and draws the seat to go up and down, and it can adopt multiple actuating mechanism, the utility model provides a two kinds of structures. The following are described separately.

The first structure of the first power mechanism is a sliding sleeve type structure, the sliding sleeve is driven by a steel wire rope to lift, the sliding sleeve is vertically installed between the bottom surface of the platform body and the bottom of the support frame body and is slidably installed on the sliding rod, the lifting seat is fixedly connected onto the sliding sleeve, a pull rope is connected onto the sliding sleeve, and the pull rope is connected with a rope pulley driving mechanism driven by a first motor. The rope wheel driving mechanism comprises a hoisting rope wheel in power connection with a first motor, a pull rope is wound on the hoisting rope wheel, and a guide rope wheel for the pull rope to pass around is arranged on the bottom surface of the platform body and the bottom of the supporting frame body. The first motor is used as the power for rotating the hoisting rope wheel after passing through the speed reducer, the two ends of the pull rope are respectively wound on the hoisting rope wheel along the forward direction and the reverse direction, the winding and unwinding of the hoisting rope wheel are realized, the power direction of the pull rope is guided to be the vertical direction by means of the guide rope wheel, so that the power direction is consistent with the up-down lifting direction of the sliding sleeve, and the sliding sleeve is fixedly connected with the pull rope through fasteners such as bolts or pressing blocks.

The second structure of the first power mechanism is a screw rod and threaded sleeve type structure, and specifically comprises a threaded rod which is rotatably installed between the bottom surface of the platform body and the bottom of the support frame body and is driven by a driving motor, the threaded rod is vertically arranged, a threaded sleeve is installed on the threaded rod in a threaded mode, and a lifting seat is fixedly connected to the threaded sleeve. In the structure, the driving motor is used as power to drive the screw rod to rotate, so that the screw sleeve and the lifting seat are driven to lift, and lifting driving is realized.

The structure of the lifting seat and the yoke plate can be set in the middle of the rear edge of the turnover flat plate, or in two sides of the rear edge of the turnover flat plate, and the corresponding first power mechanism can be set in one or two sets. When two sets of the rope driving mechanisms are arranged, only one pull rope and one set of motor can be adopted for the rope driving mechanisms, the hoisting rope wheel is arranged in the middle, and vertical pull rope circulating rotation tracks are respectively arranged on two sides through the guide rope wheel, so that the sliding sleeves on the two sides can be lifted simultaneously. For the screw-threaded first power mechanism, when two sets of the first power mechanisms are arranged, two driving motors are generally needed to synchronously control the two driving motors. For the first power mechanism of the screw thread type, a driving motor may be disposed in the middle, and when a driving motor is disposed in the middle, the power transmission mechanism is required to transmit the power in the middle to both sides. The power transmission mechanism can transmit power to two sides by using a transmission rod, and then transmits the power to the screw rods on the two sides by using a bevel gear type transmission mechanism, so that the synchronous lifting of the screw sleeves on the two sides is realized; the power transmission mechanism can also adopt a belt and belt pulley type transmission mechanism, and the belt pulleys are installed at the bottom ends of the screw rods on the two sides, so that the driving motor drives the belt pulleys on the two sides to synchronously rotate through the belt, and further drives the screw rods to synchronously rotate.

To lift actuating mechanism's concrete structure, can adopt the drive mode of conventional vertical lift formula, in order to guarantee the stability of going up and down, lift actuating mechanism is including installing in the dull and stereotyped bottom of lift and by the flexible rack in alternately of power telescopic link driven. The lifting driving mechanism adopts a cross telescopic net rack type structure, adopts two sets of cross net racks, and utilizes a second power telescopic rod to drive the cross angle of the cross rod to realize integral lifting control.

Furthermore, a telescopic tongue capable of stretching into the lower part of the opening is elastically installed at a position, close to the inner side wall of the opening, on the platform body, the top surface of the telescopic tongue is a plane, and the bottom surface of the telescopic tongue is an arc-shaped surface; and a limiting block corresponding to the telescopic tongue is arranged below the inner side end edge of the lifting flat plate, and the limiting block is flush with the inner side end face of the lifting flat plate, or the thickness of the lifting flat plate is greater than the sum of the thicknesses of the telescopic tongue and the platform body.

Adopt above-mentioned structure, because the dull and stereotyped location running roller and yoke plate of dependence of upset support at well rear portion, the dull and stereotyped back of leveling in the upset of upset, certain support is lacked along its inboard end, in order to guarantee the steadiness of supporting, sets up the flexible tongue that can visit into the opening below, utilizes flexible tongue as the dull and stereotyped inner support of upset to the dull and stereotyped steadiness of upset has been guaranteed. In order to avoid the influence of the telescopic tongue on the upward movement of the subsequent lifting flat plate, the telescopic tongue is of a spring and other elastically mounted structures, the bottom surface of the telescopic tongue is an arc-shaped surface, and by means of the telescopic force of the spring and the arc-shaped arrangement of the bottom surface, when the inner end edge of the lifting flat plate contacts the telescopic tongue, the spring is compressed, and the telescopic tongue can automatically retract. In order to avoid the influence of the extension of the telescopic tongue on the descending of the lifting flat plate, a limit block is additionally arranged to keep the telescopic tongue in a retracted state. Or the thickness of the lifting flat plate is increased without arranging a limiting block, and the telescopic tongue is blocked by utilizing the wall thickness of the lifting flat plate so as to be prevented from extending out. The telescopic tongue is respectively matched with the turnover flat plate and the lifting flat plate for use, so that the integral structure is more stable.

When the platform is used as a tea table, the support frame body is a box body frame structure formed by a plurality of side box plates in an involutory mode, and the bottom of the box body frame structure is a base plate; the side box plate is provided with a box door or a drawer. The turnover sliding driving mechanism and the turnover flat plate only occupy a small space of the box body, the lifting driving mechanism and the lifting flat plate also only occupy a partial space of the box body, and the rest box body space can be used as a storage space of the closed tea table.

To sum up, the utility model discloses a switching between function platform and the flat platform is used to design ingenious upset drive assembly that slides, guaranteed the upset effect of sliding, not only saved the space but also did not influence lifting unit's action, still left sufficient functional unit and placed the space, simple structure, the action is reliable and stable, easily popularizes and implements.

Drawings

The invention will be described in further detail with reference to the following drawings and embodiments:

FIG. 1 is a schematic external structural view of one embodiment of the present invention;

FIG. 2 is a schematic top view of the structure of FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;

FIG. 4 is an enlarged view of the portion D in FIG. 3;

FIG. 5 is an enlarged sectional view taken along the line E-E in FIG. 4;

FIG. 6 is an enlarged view of the portion F in FIG. 3;

FIG. 7 is an enlarged view of the portion G of FIG. 3;

FIG. 8 is a schematic cross-sectional view taken along line B-B of FIG. 2;

FIG. 9 is an enlarged view of the portion H in FIG. 8;

FIG. 10 is an enlarged view of the portion I of FIG. 8;

FIG. 11 is a schematic cross-sectional view taken along the line C-C in FIG. 2;

FIG. 12 is a schematic structural view of the turnover panel of FIG. 3 during turnover sliding;

FIG. 13 is an enlarged view of the portion M of FIG. 12;

FIG. 14 is a schematic structural view of the inverted plate of FIG. 3 fully stowed beneath the platform body and the lift plate raised to the open position;

fig. 15 is an enlarged schematic view of the N portion in fig. 14.

Detailed Description

Referring to the drawings, the utility model discloses a convertible multifunctional platform includes platform body 1 and the support body 3 that is used for supporting platform body 1, sets up the opening 2 that link up 1 top surface of platform body and bottom surface on the platform body 1, characterized by the alternative is encapsulated with upset dull and stereotyped 4 or lift dull and stereotyped 5 on the opening 2 of platform body 1, and the below of platform body 1 is provided with can drive upset dull and stereotyped 4 upset and fall the upset actuating mechanism that slides of platform body 1 below, and the below of platform body 1 is provided with the lift actuating mechanism that can drive lift dull and stereotyped 5 and go up and down.

In the structure, functional components such as tea sets and the like are placed or installed on the lifting flat plate 5, when the turnover flat plate 4 is packaged on the opening 2, the lifting flat plate 5 and the functional components such as tea sets and the like on the lifting flat plate 5 are hidden below the platform, and the platform is used as a flat surface; when needs use functional unit, upset slide actuating mechanism drive upset dull and stereotyped 4 is opened and is descended the below of platform body 1 to can give out opening 2's position, the dull and stereotyped 5 that goes up to opening 2's position department under lift actuating mechanism's effect, functional unit rises to the platform surface, and functional unit uses such as tea table as platform body 1 this moment. The utility model discloses a hidden lift dull and stereotyped 5's structure to with the help of the flip structure of upset dull and stereotyped 4, realized the switching between functional platform and the plane platform, because upset dull and stereotyped 4 adopts the upset structure of stepping down that slides, left the position of functional unit on the lift dull and stereotyped 5, make the action mutually noninterfere between two sets of mechanisms, stable in structure just controls simple and conveniently.

Referring to the attached drawings, the overturning and sliding driving mechanism comprises a lifting seat 6 driven by a first power mechanism to move along the vertical direction, a connecting plate 7 is hinged on the lifting seat 6, and the connecting plate 7 is connected to the end part of the overturning flat plate 4. As shown in the figure, the lifting seat 6 is a thin plate, the yoke plate 7 is an L-shaped plate vertically and fixedly connected by two straight plates to form a whole, the outer end of the thin plate is hinged with one of the straight plates of the L-shaped plate, and the other straight plate of the L-shaped plate is arranged on the bottom surface of the turnover flat plate 4. Both sides of the bottom of the turnover flat plate 4 are provided with positioning rollers 8 which stretch out of the edge of the plate, and two side parts of the support body 3 are provided with track grooves matched with the positioning rollers 8.

Referring to the attached drawings, the overturning and sliding driving mechanism not only needs to drive the overturning flat plate 4 to overturn, but also needs to drive the overturning flat plate 4 to fall and be hidden below the platform body 1, so that the position of the opening 2 can be avoided, and the interference with the lifting flat plate 5 is avoided, and therefore, the moving track of the overturning flat plate 4 is set to be crucial. With the help of the mechanism of the lifting seat 6 and the link plate 7, the lifting of the lifting seat 6 drives the link plate 7 to lift and swing, the turnover flat plate 4 lifts and turns along with the link plate 7, the positioning roller 8 is limited in the track groove, the positioning roller 8 plays a role in supporting the turnover flat plate 4 and guiding and positioning, and the shape of the track groove 8 determines the downward moving track of the turnover flat plate 4.

Referring to the attached drawings, the positioning roller 8 is installed at one side of the middle part of the turnover flat plate 4 close to the link plate, and the rail groove comprises a transverse supporting rail 91 located at the top edge of the supporting frame body 3, a vertical inclined rail 92 connected with the transverse supporting rail 91 and extending vertically downwards and inclining outwards, and a bending rail 93 formed by bending outwards at the bottom of the vertical inclined rail 92. Wherein, in order to guarantee that the positioning roller 8 can more smoothly slide over the connection part, the connection part of each part of the track groove is provided with circular arc transition.

The shape of the track groove will be described in detail by taking the descending process of the turnover plate 4 as an example, taking the turnover plate 4 as an initial position when being packed on the opening 2, the positioning roller 8 at this time being located on the transverse support track 91, and the lifting seat 6 at this time being located at the highest position. The lifting seat 6 starts to descend to drive the turnover flat plate 4 to start turnover by taking the positioning roller 8 as a center, the turnover angle of the turnover flat plate 4 is rapidly increased along with the downward movement of the position of the lifting seat 6, the turnover flat plate 4 moves backwards along the transverse support rail 91 along with the positioning roller 8, when the positioning roller 8 moves backwards to the top end of the vertical inclined rail 92 and slides downwards, the angle change amplitude of the turnover flat plate 4 is reduced, the downward movement amplitude is increased until the positioning roller 8 slides downwards to the bottom end of the vertical inclined rail 92, and the inner side end edge of the turnover flat plate 4 basically falls below the platform body 1 at the moment; so far, above process all is gone on in the scope of opening 2 below, do not let out opening 2's position, consequently, carry and draw seat 6 to continue to descend, location running roller 8 gets into bending rail 93, with the help of the outside extending direction of bending rail 93, drive location running roller 8 and upset dull and stereotyped 4 and do final slip backward, when location running roller 8 slides to bending rail 93's bottom, the flip angle of upset dull and stereotyped 4 reaches and is close 90 degrees this moment, and the position of opening 2 has been avoided completely to returning plate 4, let out opening 2 completely, the dull and stereotyped 5 that controls again this moment rises.

Referring to the drawings, regarding the cross-sectional shape of each section of track of the track groove, the vertical inclined track 92 and the bent track 93 are both track grooves with concave cross-sections, and the horizontal support track 91 is a track groove with an L-shaped cross-section. The transverse supporting rail 91 is arranged at the top edge of the supporting frame body 3, adopts an L-shaped section structure, so that the two lateral support rails 91 at the two sides form two support grooves with L-shaped cross sections which are oppositely arranged, thereby facilitating the installation of the positioning rollers 8 at the two sides, and meanwhile, as can be seen from the above, when the turnover flat plate 4 is initially turned over, the lifting seat 6 drives the connecting plate 7 to swing, the connecting plate 7 is fixedly connected to the turnover flat plate 4, at this time, the connecting plate 7 may directly drive the turnover flat plate 4 to upwarp, so that the positioning roller 8 is separated from the bottom support of the transverse support rail 91 and has a tendency of upwarping, consequently, the cross-section is the holding surface that the horizontal support rail 91 of "L type" only has the bottom, and the top sets up to uncovered, also reserves the distance that sufficient location running roller 8 followed upset dull and stereotyped 4 upwarp at the top promptly to guaranteed that the upset is flat 4 and slided more smoothly with the upset, avoided appearing the card and pause problem.

First power unit is used for the drive to carry and draws seat 4 to go up and down, and it can adopt multiple actuating mechanism, the utility model provides two kinds of concrete implementation modes. The following are described separately.

Referring to the accompanying drawings, the first structure of the first power mechanism is a sliding sleeve type structure, the sliding sleeve is driven by a steel wire rope to lift, the sliding sleeve specifically comprises a sliding rod 10 vertically installed between the bottom surface of the platform body 1 and the bottom of the support frame body 3, and a sliding sleeve 11 slidably installed on the sliding rod 10, the lifting seat 6 is fixedly connected to the sliding sleeve 11, a pull rope 12 is connected to the sliding sleeve 11, and the pull rope 12 is connected with a rope pulley driving mechanism driven by a first motor 13. The rope pulley driving mechanism comprises a hoisting rope pulley 16 in power connection with a first motor 13, a pull rope 12 is wound on the hoisting rope pulley 16, and a guide rope pulley 14 for the pull rope 12 to pass around is installed on the bottom surface of the platform body 1 and the bottom of the support frame body 3. The first motor 13 is used as the power for the rotation of the hoisting rope wheel 16 after passing through the speed reducer, the two ends of the pull rope 12 are respectively wound on the hoisting rope wheel 16 along the forward direction and the reverse direction, the winding and unwinding of the hoisting rope wheel 16 are realized, the power direction of the pull rope 12 is guided to be the vertical direction by means of the guide rope wheel 14, so that the power direction is consistent with the up-down lifting direction of the sliding sleeve 11, and the sliding sleeve 11 is fixedly connected with the pull rope 12 through fasteners such as bolts or pressing blocks. As for the sheave drive structure, which is a conventional structure, only one of the embodiments is shown in the drawings, the position of the deflector sheave 14 can be flexibly set or auxiliary components such as the tension sheave 22 can be provided at appropriate positions as needed.

The second embodiment of the first power mechanism is not shown in the attached drawings, and is briefly described below, and the second embodiment of the first power mechanism comprises a threaded rod which is rotatably installed between the bottom surface of the platform body and the bottom of the support frame body and is driven by a driving motor, the threaded rod is vertically arranged, a threaded sleeve is screwed on the threaded rod, and a lifting seat is fixedly connected on the threaded sleeve. In a second embodiment, a driving motor is used as power to drive a screw rod to rotate, so that a screw sleeve and a lifting seat are driven to lift, and lifting driving is realized.

The structure of the lifting seat 6 and the yoke plate 7 can be set in the middle of the rear edge of the turnover flat plate 4, or in both sides of the rear edge of the turnover flat plate 4, and the corresponding first power mechanism can be set in one or two sets. The two sets are shown in the attached drawings, when the two sets are arranged, only one pull rope 12 and one set of motor can be adopted for the rope wheel driving mechanism, the hoisting rope wheel 16 is arranged in the middle, and vertical pull rope circulating rotation tracks are respectively arranged on two sides through the guide rope wheel 14, so that the sliding sleeves 11 on the two sides can be lifted simultaneously. For the screw-threaded first power mechanism, when two sets of the first power mechanisms are arranged, two driving motors are generally needed to synchronously control the two driving motors. For the first power mechanism of the screw thread type, a driving motor may be disposed in the middle, and when a driving motor is disposed in the middle, the power transmission mechanism is required to transmit the power in the middle to both sides. The power transmission mechanism can transmit power to two sides by using a transmission rod, and then transmits the power to the screw rods on the two sides by using a bevel gear type transmission mechanism, so that the synchronous lifting of the screw sleeves on the two sides is realized; the power transmission mechanism can also adopt a belt and belt pulley type transmission mechanism, and the belt pulleys are installed at the bottom ends of the screw rods on the two sides, so that the driving motor drives the belt pulleys on the two sides to synchronously rotate through the belt, and further drives the screw rods to synchronously rotate.

Referring to the drawings, the elevation driving mechanism includes a cross telescopic net frame installed at the bottom of the elevation plate 5 and driven by a power telescopic rod 15. Wherein, for the convenience of control, the power telescopic rod 15 can adopt the structure of an electric push rod. The electric push rod is also controlled by a motor, and the electric push rod and the first motor 13 of the rope wheel driving mechanism are all controlled by servo motors. In the concrete production and manufacturing, the moving position of the turnover flat plate 4 or the lifting flat plate 5 can be controlled by accurately controlling the positive and negative rotation and the number of rotation turns of the servo motor, or the servo motor is subjected to closed-loop control by setting limit, so that the moving positions of the two flat plates are controlled. The motor control circuit is a part of the prior art, and a person skilled in the art can reasonably set the motor control circuit according to a specific product and a moving distance, which is not a core of the scheme and is not described in detail herein.

Referring to the attached drawings, the lifting driving mechanism adopts a cross telescopic net rack type structure, adopts two sets of cross net racks, and realizes integral lifting control by using the second power telescopic rod 15 to drive the cross angle of the cross rod 21. The structure of the cross telescopic net rack is the prior art, which is not the core of the scheme, and the following is briefly introduced with the attached drawings. The cross telescopic net rack comprises two sets of cross net racks on two sides and two sets of support rails 20 arranged at the bottom and the top, each set of support rail 20 comprises two U-shaped steels arranged oppositely, each cross net rack comprises two cross rods 21 with hinged middle parts, one ends of the cross rods 21 are hinged at one ends of the bottom or top support rails 20, the other ends of the cross rods 21 are slidably arranged on the top or bottom support rails 20 through rollers, and the second power telescopic rods 15 are used for pulling or pushing the sliding ends of the cross rods 21 to slide back and forth, so that the cross angles of the two cross rods 21 are controlled, the lifting of the top support rails 20 is realized, and the top support rails 20 are arranged on the bottom surface of the lifting flat plate 5.

Referring to the attached drawings, a telescopic tongue 17 capable of stretching into the lower part of the opening 2 is elastically installed at a position, close to the inner side wall of the opening 2, on the platform body 1, the top surface of the telescopic tongue 17 is a plane, and the bottom surface of the telescopic tongue 17 is an arc-shaped surface; a limiting block 18 corresponding to the telescopic tongue 17 is arranged below the edge of the inner side end of the lifting flat plate 5, and the limiting block 18 is flush with the end surface of the inner side end of the lifting flat plate 5, or the thickness of the lifting flat plate 5 is larger than the sum of the thicknesses of the telescopic tongue 17 and the platform body 1. The specific mounting structure of the telescopic tongue, not shown in the figure, is slidably mounted at the front end of a housing 23, the housing 23 is fixedly mounted on the bottom surface of the platform body 1, and a compression spring is arranged between the inner bottom wall of the housing 23 and the inner end part of the telescopic tongue 17.

Referring to the attached drawings, because the turnover flat plate 4 is supported at the middle rear part by the positioning roller 8 and the connecting plate 7, after the turnover flat plate 4 is turned over and leveled, the inner side end of the turnover flat plate 4 lacks a certain support, in order to ensure the stability of the support, a telescopic tongue 17 which can be inserted into the lower part of the opening 2 is arranged, and the telescopic tongue 17 is used as the support of the inner end of the turnover flat plate, thereby ensuring the stability of the turnover flat plate 4. In order to avoid the influence of the telescopic tongue 17 on the subsequent upward movement of the lifting flat plate 5, the telescopic tongue 17 is of a spring and other elastic installation structure, the bottom surface of the telescopic tongue 17 is an arc-shaped surface, and by means of the telescopic force of the spring and the arc-shaped arrangement of the bottom surface, when the inner end edge of the lifting flat plate 5 contacts the telescopic tongue 17, the spring is compressed, and the telescopic tongue 17 can automatically retract. In order to avoid that the telescopic tongue 17 extends out to influence the descending of the lifting flat plate 5, a limit block 18 is additionally arranged to keep the telescopic tongue 17 in a retracted state. Or, the limiting block 17 is not arranged, the thickness of the lifting flat plate 5 is increased, and the telescopic tongue 17 is blocked by the wall thickness of the lifting flat plate 5 to avoid extending. The telescopic tongue 17 is respectively matched with the turnover flat plate 4 and the lifting flat plate 5 for use, so that the integral structure is more stable.

Referring to the attached drawings, when the platform is used as a tea table, the support frame body 3 is a box body frame structure formed by a plurality of side box plates in an involutory mode, and the bottom of the box body frame structure is a base plate; the side box plates are provided with box doors 19 or drawers. The overturning and sliding driving mechanism and the overturning flat plate 4 only occupy a small part of the space of the box body, the lifting driving mechanism and the lifting flat plate 5 also only occupy part of the space of the box body, and the rest box body space can be used as the storage space of the closed tea table.

To sum up, the present invention is not limited to the above-mentioned specific embodiments. The technical personnel in this field can do a plurality of changes or modifications without departing from the technical proposal of the utility model, and the changes or modifications all fall into the protection scope of the utility model.

Claims

1. The utility model provides a convertible multifunctional platform, includes platform body (1) and support body (3) that are used for supporting platform body (1), sets up opening (2) that link up platform body (1) top surface and bottom surface on platform body (1), characterized by alternative is packaged with dull and stereotyped (4) of upset or lift flat board (5) on opening (2) of platform body (1), and the below of platform body (1) is provided with can drive upset dull and stereotyped (4) upset and fall the upset actuating mechanism that slides of platform body (1) below, and the below of platform body (1) is provided with the lift actuating mechanism that can drive lift dull and stereotyped (5) and go up and down.

2. The turnover type multifunctional platform as claimed in claim 1, wherein said turnover and sliding driving mechanism comprises a lifting seat (6) driven by a first power mechanism to move along a vertical direction, a connecting plate (7) is hinged on the lifting seat (6), and the connecting plate (7) is connected to the end part of the turnover flat plate (4); both sides of the bottom of the turnover flat plate (4) are provided with positioning rollers (8) which extend out of the edge of the plate, and two side parts of the support frame body (3) are provided with track grooves matched with the positioning rollers (8).

3. The turnover type multifunctional platform as claimed in claim 2, wherein said positioning rollers (8) are installed at one side of the middle of the turnover plate (4) near the link plate, and the track groove comprises a transverse supporting rail (91) located at the top edge of the supporting frame body (3), a vertical inclined rail (92) connected with the transverse supporting rail (91) and extending vertically downwards and inclining outwards, and a bent rail (93) formed by bending outwards through the bottom of the vertical inclined rail (92).

4. The turnover type multifunctional platform as claimed in claim 3, wherein said vertical inclined rail (92) and said bent rail (93) are rail grooves with a "concave" section, and said horizontal support rail (91) is a rail groove with an "L" section.

5. The turnover type multifunctional platform as claimed in claim 2, wherein the first power mechanism comprises a sliding rod (10) vertically installed between the bottom surface of the platform body (1) and the bottom of the support frame body (3), a sliding sleeve (11) slidably installed on the sliding rod (10), the lifting seat (6) is fixedly connected to the sliding sleeve (11), a pulling rope (12) is connected to the sliding sleeve (11), and the pulling rope (12) is connected to a rope pulley driving mechanism driven by the first motor (13).

6. The roll-over type multifunctional platform according to claim 5, wherein the rope wheel driving mechanism comprises a winding rope wheel (16) in power connection with the first motor (13), the pulling rope (12) is wound on the winding rope wheel (16), and a guide rope wheel (14) for the pulling rope (12) to pass around is arranged on the bottom surface of the platform body (1) and the bottom of the support frame body (3).

7. The turnover type multifunctional platform as claimed in claim 2, wherein the first power mechanism comprises a threaded rod rotatably installed between the bottom surface of the platform body and the bottom of the support frame body and driven by the driving motor, the threaded rod is vertically disposed, a threaded sleeve is screwed on the threaded rod, and the lifting seat is fixedly connected to the threaded sleeve.

8. The convertible multi-function platform of claim 1, characterized in that said lifting driving means comprise a cross-telescopic net frame mounted at the bottom of the lifting plate (5) and driven by a power telescopic rod (15).

9. The turnover type multifunctional platform as claimed in claim 1, wherein a telescopic tongue (17) capable of stretching into the lower part of the opening (2) is elastically installed on the platform body (1) at a position close to the inner side wall of the opening (2), the top surface of the telescopic tongue (17) is a plane, and the bottom surface is an arc surface; and a limiting block (18) corresponding to the telescopic tongue (17) is arranged below the edge of the inner side end of the lifting flat plate (5), the limiting block (18) is flush with the end surface of the inner side of the lifting flat plate (5), or the thickness of the lifting flat plate (5) is greater than the sum of the thicknesses of the telescopic tongue (17) and the platform body (1).

10. The turnover type multifunctional platform as claimed in claim 1, wherein said support frame body (3) is a box body frame structure formed by a plurality of side box plates which are combined together, and the bottom of the box body frame structure is a base plate; the side box plate is provided with a box door (19) or a drawer.