CN113148894A - Lifting platform - Google Patents

Abstract

The invention discloses a lifting platform, which comprises a table top, a lifting upright post arranged at the lower part of the table top, a lifting assembly arranged inside the lifting upright post and a driving component, wherein the lifting upright post comprises a first lifting upright post and a second lifting upright post, the lifting assembly comprises a first lifting assembly arranged inside the first lifting upright post and a second lifting assembly arranged inside the second lifting upright post, the driving component comprises a motor and a transmission mechanism driven by the motor, the motor is arranged on the first lifting upright post, the transmission mechanism comprises a first transmission shaft and a second transmission shaft, and the first transmission shaft and the second transmission shaft are detachably connected. According to the invention, the first transmission shaft and the second transmission shaft which are detachably connected form the transmission mechanism, so that a user does not need to align two ends of the transmission mechanism with the first lifting assembly and the second lifting assembly simultaneously during installation, and the situation that the transmission mechanism is difficult to align with the first lifting assembly and the second lifting assembly is avoided.

Description

Lifting platform

Technical Field

The invention belongs to the field of lifting equipment, and particularly relates to a lifting platform.

Background

At present, the assembly difficulty of the traditional single-motor lifting platform is too large, and especially when a user installs the lifting platform by himself, the user is difficult to install a transmission mechanism between two adjacent lifting upright columns due to high requirements on the user's skills, so that the assembly difficulty is large.

Disclosure of Invention

The present invention provides a lifting platform to solve at least one of the above problems.

In order to solve the technical problems, the invention adopts the following technical scheme: the utility model provides a lifting platform, which comprises a table top, locate the lift stand of mesa lower part, locate the inside lift assembly of lift stand and locate the lift stand outside and the drive assembly who links to each other with the lift stand, drive assembly drives the lift stand through the lift assembly and goes up and down, the lift stand includes first lift stand and second lift stand, the lift assembly is including locating the inside first lift assembly of first lift stand and locating the inside second lift assembly of second lift stand, drive assembly includes motor and motor drive's drive mechanism, the motor is installed on first lift stand, drive mechanism includes the first transmission shaft that links to each other with motor and first lift assembly and the second transmission shaft that links to each other with second lift assembly, can dismantle the connection between first transmission shaft and the second transmission shaft.

In the above-mentioned lift platform, drive mechanism still includes that both ends cup joint the sleeve pipe on first transmission shaft and second transmission shaft respectively, and first transmission shaft and second transmission shaft pass through the sleeve pipe interlock.

In the lifting platform, the first transmission shaft and the second transmission shaft are prisms with polygonal cross sections, and the sleeve is matched with the prisms to limit relative rotation between the prisms and the sleeve.

In above-mentioned lift platform, wear to be equipped with on the first transmission shaft with first transmission shaft vertically installation round pin, the tip of first transmission shaft is worn to establish in the cover and the installation round pin offsets with sheathed tube tip, is equipped with locating pin and a plurality of and locating pin complex locating hole on the cover, and the tip of second transmission shaft is worn to establish in the cover, and the locating pin is through wearing to establish the length that the restriction second transmission shaft penetrated the sheathed tube in different locating holes.

In above-mentioned lift platform, the locating pin is including wearing to establish the location portion in the locating hole and the elastic component that links to each other with location portion, and the elastic component is used for compressing tightly the sleeve pipe outer wall in order to prevent locating pin and sleeve pipe separation.

In the above-mentioned lift platform, the locating pin still includes the operation portion of connecting between location portion and elastic component, and the operation portion is annular or semi-annular.

In the lifting platform, the positioning pin is an R-shaped pin.

In the lifting platform, the second transmission shaft is further sleeved with an elastic piece, and two ends of the elastic piece are respectively abutted against the end part of the sleeve and the second lifting upright post.

In the lifting platform, a pre-assembly is arranged at the top of the lifting upright, and the driving mechanism and the lifting assembly are fixed on the pre-assembly and are aligned and matched through the pre-assembly.

The invention has the beneficial effects that:

according to the invention, the transmission mechanism is formed by the first transmission shaft and the second transmission shaft which are detachably connected, the detachable transmission mechanism is separated into the first transmission shaft and the second transmission shaft, so that assembly and later-stage transportation of a factory during production are facilitated, the first transmission shaft is used for connecting the first lifting assembly, and the second transmission shaft is used for connecting the second lifting assembly, so that a user does not need to align two ends of the transmission mechanism with the first lifting assembly and the second lifting assembly simultaneously during installation, the situation that the transmission mechanism is difficult to align with the first lifting assembly and the second lifting assembly is avoided, the assembly steps of the user are simplified, and the use experience of the user is improved.

The features and advantages of the present invention will be disclosed in more detail in the following detailed description and the accompanying drawings.

Drawings

The invention is further described with reference to the accompanying drawings and the detailed description below:

FIG. 1 is a schematic view of a lift platform according to the present invention;

FIG. 2 is a perspective view of the lifting platform without the mounting deck;

FIG. 3 is a partial schematic view of the first lift assembly and drive assembly in an installed condition;

FIG. 4 is an exploded view of the first lift assembly and drive assembly;

fig. 5 is a partial schematic view of the second lift assembly and drive assembly in an installed state.

Reference numerals:

100. a first lifting upright post; 110. a first lift assembly;

200. a second lifting upright post;

300. a drive assembly; 310. a motor; 320. a speed reduction mechanism; 330. a transmission mechanism; 331. a first drive shaft; 3311. mounting a pin; 332. a second drive shaft; 333. a sleeve; 3331. positioning pins; 3332. positioning holes; 334. an elastic member;

400. pre-assembly;

500. a telescopic bracket; 510. a first telescopic tube; 511. a locking hole; 520. a second telescopic tube; 530. a spacing pin;

600. a table-board.

Detailed Description

The invention provides a lifting platform which comprises a table top, a lifting upright post arranged at the lower part of the table top, a lifting assembly arranged inside the lifting upright post and a driving component arranged outside the lifting upright post and connected with the lifting upright post, wherein the driving component drives the lifting upright post to lift through the lifting assembly, the lifting upright post comprises a first lifting upright post and a second lifting upright post, the lifting assembly comprises a first lifting assembly arranged inside the first lifting upright post and a second lifting assembly arranged inside the second lifting upright post, the driving component comprises a motor and a transmission mechanism driven by the motor, the motor is arranged on the first lifting upright post, the transmission mechanism comprises a first transmission shaft connected with the motor and the first lifting assembly and a second transmission shaft connected with the second lifting assembly, and the first transmission shaft and the second transmission shaft are detachably connected. According to the invention, the transmission mechanism is formed by the first transmission shaft and the second transmission shaft which are detachably connected, the detachable transmission mechanism is separated into the first transmission shaft and the second transmission shaft, so that assembly and later-stage transportation of a factory during production are facilitated, the first transmission shaft is used for connecting the first lifting assembly, and the second transmission shaft is used for connecting the second lifting assembly, so that a user does not need to align two ends of the transmission mechanism with the first lifting assembly and the second lifting assembly simultaneously during installation, the situation that the transmission mechanism is difficult to align with the first lifting assembly and the second lifting assembly is avoided, the assembly steps of the user are simplified, and the use experience of the user is improved.

The technical solutions of the embodiments of the present invention are explained and illustrated below with reference to the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention, and not all embodiments. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative effort belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, unless otherwise specified, "a plurality" means two or more unless explicitly defined otherwise.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The first embodiment is as follows:

a lifting platform, as shown in fig. 1 to 5, comprises a platform 600, a lifting column arranged at the lower part of the platform 600, a lifting assembly arranged inside the lifting column, and a driving component 300 arranged outside the lifting column and connected with the lifting column, wherein the driving component 300 drives the lifting column to lift through the lifting assembly, a pre-assembly 400 is arranged at the top of the lifting column, and the driving mechanism and the lifting assembly are fixed on the pre-assembly 400 and are aligned and matched through the pre-assembly 400. According to the invention, the driving mechanism and the lifting assembly are arranged on the corresponding mounting positions of the pre-assembly 400, so that the alignment matching of the driving mechanism and the lifting assembly can be rapidly realized, the driving mechanism after mounting can drive the lifting assembly to work, the alignment difficulty of the driving mechanism and the lifting assembly is avoided, the alignment precision of the driving mechanism and the lifting assembly is improved, the alignment step is simplified, the mounting structures of the driving mechanism, the lifting assembly and the pre-assembly 400 are convenient for assembly and later-stage transportation in a factory, a user does not need to independently align and mount the received driving mechanism and the received lifting assembly on the lifting upright column, the pre-assembly 400 provided with the driving mechanism and the lifting assembly is only required to be mounted with the lifting upright column, the assembly step of the user is simplified, and the use experience of the user is improved.

The lifting column in this embodiment includes a first lifting column 100 and a second lifting column 200, the lifting assembly includes a first lifting assembly 110 disposed inside the first lifting column 100 and a second lifting assembly disposed inside the second lifting column 200, the driving component 300 includes a motor 310 and a transmission mechanism 330 driven by the motor 310, the motor 310 is mounted on the first lifting column 100 through a pre-assembly 400, two ends of the transmission mechanism 330 are respectively connected to the first lifting assembly 110 and the second lifting assembly, the motor 310 rotates to drive the transmission mechanism 330 to rotate, and the transmission mechanism 330 drives the first lifting assembly 110 and the second lifting assembly connected to two ends of the transmission mechanism 330 to work, so that the first lifting column 100 and the second lifting column 200 are lifted synchronously.

The subassembly 400 comprises a top plate and side plates, the side plates are arranged around the top plate to form a pre-assembly groove, and the top of the lifting upright post is inserted into the pre-assembly groove and locked with the subassembly 400 through locking members such as screws. The motor 310 is mounted on the side plate of the subassembly 400 facing the second lifting column 200, and the end of the transmission 330 is connected to the motor 310 and extends into the interior of the lifting column to be connected to the first lifting assembly 110.

In this embodiment, the transmission mechanism 330 includes a first transmission shaft 331 connected to the motor 310 and the first lifting assembly 110, a second transmission shaft 332 connected to the second lifting assembly, and a sleeve 333 having two ends respectively sleeved on the first transmission shaft 331 and the second transmission shaft 332, the first transmission shaft 331 and the second transmission shaft 332 are linked by the sleeve 333, so that when the motor 310 rotates, the first transmission shaft 331 is driven to rotate, the first transmission shaft 331 drives the sleeve 333 to rotate synchronously, the sleeve 333 drives the second transmission shaft 332 to rotate synchronously, so that the first lifting upright 100 and the second lifting upright 200 are driven by the first transmission shaft 331 and the second transmission shaft 332 respectively to synchronously lift, the length of the transmission mechanism 330 can be adjusted by adjusting the sleeve length of the sleeve 333 to the first transmission shaft 331 or the second transmission shaft 332, so that the requirements of two lifting columns with different distances are met, and the application range is wider. The first transmission shaft 331 and the second transmission shaft 332 are prisms each having a polygonal cross section, and the sleeve 333 is engaged with the prisms to restrict relative rotation between the prisms and the sleeve 333.

In this embodiment, an installation pin 3311 perpendicular to the first transmission shaft 331 is disposed on the first transmission shaft 331 in a penetrating manner, an end of the first transmission shaft 331 is disposed in a penetrating manner in the sleeve 333, and the installation pin 3311 abuts against an end of the sleeve 333, the sleeve 333 is provided with a positioning pin 3331 and a plurality of positioning holes 3332 engaged with the positioning pin 3331, an end of the second transmission shaft 332 is disposed in the sleeve 333 in a penetrating manner and abuts against the positioning pins 3331 disposed in different positioning holes 3332 as required, so as to limit the length of the second transmission shaft 332 penetrating into the sleeve 333, and the installation pin 3311 and the positioning pin 3331 are disposed to precisely control the length of the transmission mechanism 330 formed after the installation of the first transmission shaft 331, the second transmission shaft 332, and the sleeve 333 is completed. Preferably, in this embodiment, an elastic member 334 is sleeved on one end of the second transmission shaft 332 extending out of the sleeve 333, and the elastic member 334 abuts against the end portions of the pre-assembly 400 and the sleeve 333 to limit the transmission mechanism 330, so that one end of the sleeve 333 abuts against the positioning pin 3331 and the other end abuts against the elastic member 334, thereby positioning the transmission mechanism 330 in the axial direction, preventing a single side of the transmission mechanism 330 from being separated from the lifting assembly, and providing more stable transmission.

The positioning pin 3331 in this embodiment is an "R" type pin, the "R" type pin includes a positioning portion for passing through the positioning hole 3332 and an elastic portion connected to an end of the positioning portion and pressing an outer wall of the sleeve 333, the second transmission shaft 332 is limited by abutting against the positioning portion, and the elastic portion pressing the outer wall of the sleeve 333 prevents the positioning pin 3331 from sliding off from the positioning hole 3332 along with the rotation of the sleeve 333. Locating pin 3331 is still including connecting the operating portion between location portion and elasticity portion, and the operating portion is the semicircle form, and the user's accessible stretches into the hand and pulls the operating portion in the semicircle form that the operating portion formed to pull out locating hole 3332 with locating pin 3331, it is more convenient simple to operate.

In this embodiment, in order to prevent the transmission mechanism 330 from rotating too fast, the motor 310 is further provided with a speed reducing mechanism 320, and the motor 310 and the transmission mechanism 330 are transmitted through the speed reducing mechanism 320.

As shown in fig. 5, two telescopic brackets 500 respectively located at the front and rear sides of the transmission mechanism 330 are further arranged between the first lifting column 100 and the second lifting column 200 in parallel, two ends of each telescopic bracket 500 are respectively connected with the packages 400 at the tops of the first lifting column 100 and the second lifting column 200, a user can adjust the telescopic brackets 500 according to assembly requirements, and the telescopic brackets 500 support the lifting columns and protect the transmission mechanism 330. When the user installs, firstly, the distance between the first lifting upright 100 and the second lifting upright 200 is determined according to the length of the table top, that is, firstly, the length required by the telescopic bracket 500 is determined, and then, the installation of the driving assembly 300 is performed after the telescopic bracket 500 is adjusted to the required length, so as to prevent the installation of the telescopic bracket 500 from being influenced after the installation of the driving assembly 300 is finished.

The telescopic bracket 500 comprises a first telescopic pipe 510 and a second telescopic pipe 520 which are sleeved with each other, a limiting hole is formed in the first telescopic pipe 510, a plurality of adjusting holes are formed in the second telescopic pipe, the first telescopic pipe 510 and the second telescopic pipe 520 stretch out and draw back in the horizontal direction through a limiting pin 530 which sequentially penetrates through the limiting hole and different adjusting holes, when a user adjusts the telescopic bracket, the length of the telescopic bracket 500 can be adjusted according to the length requirement, the limiting hole is aligned to the appropriate adjusting hole, the limiting pin 530 sequentially penetrates through the limiting hole and the adjusting hole to limit the first telescopic pipe 510 and the second telescopic pipe 520 in the horizontal direction, the telescopic bracket 500 can be adjusted to the appropriate length through the limiting hole and the different adjusting holes, polar adjustment is achieved, the user does not need to adjust the telescopic bracket 500 to the appropriate length by means of measuring tools, and use experience is improved. In this embodiment, the first extension tube 510 is further provided with at least one locking hole 511, and after the first extension tube 510 and the second extension tube 520 are limited by the limiting pin 530, a screw is inserted into the locking hole 511 and presses the second extension tube 520, so that the first extension tube 510 and the second extension tube 520 can be locked.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.

Claims (9)

1. A lifting platform, its characterized in that: including the mesa, locate the lift stand of mesa lower part, locate the inside lift assembly of lift stand and locate the lift stand outside and with the drive assembly that the lift stand links to each other, drive assembly passes through the lift assembly drives the lift stand goes up and down, the lift stand includes first lift stand and second lift stand, the lift assembly is including locating the inside first lift assembly of first lift stand and locating the inside second lift assembly of second lift stand, drive assembly includes motor and motor drive's drive mechanism, the motor is installed on the first lift stand, drive mechanism includes the first transmission shaft that links to each other with motor and first lift assembly and the second transmission shaft that links to each other with second lift assembly, can dismantle the connection between first transmission shaft and the second transmission shaft.

2. A lifting platform according to claim 1, wherein: the transmission mechanism further comprises a sleeve, two ends of the sleeve are respectively sleeved on the first transmission shaft and the second transmission shaft, and the first transmission shaft and the second transmission shaft are linked through the sleeve.

3. A lifting platform according to claim 2, wherein: the first transmission shaft and the second transmission shaft are prisms with polygonal cross sections, and the sleeves are matched with the prisms to limit relative rotation between the prisms and the sleeves.

4. A lifting platform according to claim 2, wherein: wear to be equipped with on the first transmission shaft with first transmission shaft vertically installation round pin, the tip of first transmission shaft is worn to establish in the cover just the installation round pin with sheathed tube tip offsets, be equipped with locating pin and a plurality of and locating pin complex locating hole on the sleeve pipe, the tip of second transmission shaft is worn to establish in the cover, the locating pin is through wearing to establish the restriction in different locating holes the second transmission shaft penetrates sheathed tube length.

5. A lifting platform according to claim 4, characterised in that: the locating pin comprises a locating portion and an elastic portion, the locating portion penetrates through the locating hole, the elastic portion is connected with the locating portion, and the elastic portion is used for pressing the outer wall of the sleeve to prevent the locating pin from being separated from the sleeve.

6. A lifting platform according to claim 5, characterised in that: the locating pin still including connect location portion with the operation portion between the elastic component, the operation portion is annular or semi-annular.

7. A lifting platform according to claim 6, characterised in that: the locating pin is an R-shaped pin.

8. A lifting platform according to claim 4, characterised in that: and the second transmission shaft is also sleeved with an elastic piece, and two ends of the elastic piece are respectively abutted against the end part of the sleeve and the second lifting upright post.

9. A lifting platform according to any one of claims 1 to 8, wherein: the top of the lifting upright post is provided with a pre-assembly, and the driving mechanism and the lifting assembly are fixed on the pre-assembly and are in alignment fit through the pre-assembly.

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