CN215014501U - Lifting type learning table and lifting device thereof - Google Patents

Abstract

The utility model discloses a lifting device, which comprises a base and a cover plate, and further comprises a slider component, a lifting screw rod and a guide component, wherein the slider component is arranged between the base and the cover plate, the slider component slides axially along the lifting screw rod, a mute nut is fixedly connected inside the slider component, the mute nut is movably connected with the lifting screw rod, and a plurality of first balls are arranged on the inner wall surface of the mute nut; the guide assembly comprises a guide rail and a plurality of linear guide blocks arranged along the guide rail in an axial sliding mode, the linear guide blocks are fixedly connected with the sliding block assembly, and a plurality of second balls are arranged on the inner wall surface of each linear guide block in the circumferential direction. The utility model provides an over-and-under type study table and elevating gear thereof realizes long stroke lift, and goes up and down steadily, the lifting accuracy is high, the noise is little, the simple operation.

Description

Lifting type learning table and lifting device thereof

Technical Field

The utility model relates to a study table field especially relates to an over-and-under type study table and elevating gear thereof.

Background

In order to meet the requirements of different heights of children, most of the current learning tables have a lifting adjusting function, but most of lifting mechanisms adopted by the current lifting learning tables are single-screw lifting mechanisms or four-bar lifting mechanisms, and the like, so that the lifting stroke of the table top is small and long-stroke lifting is difficult to realize due to the limitation of the lifting mechanisms; in addition, the learning table which is adjusted by using the existing lifting mechanism has the problems that the lifting unstable table top plate is easy to shake, the noise is large, the lifting precision is low and the like.

For example, the publication No. CN210842002U discloses a driving mechanism for a liftable learning table and a liftable learning table thereof, which includes a knob and a transmission rod, wherein one end of the transmission rod is connected to the knob, the other end of the transmission rod can be in transmission connection with a lifting mechanism of the liftable learning table, the rear end of the knob or the front end of the transmission rod is provided with a hanging part, and the height of the top of the knob is greater than the height of the top of the hanging part. The utility model also discloses a liftable study table that uses this actuating mechanism. The utility model discloses a constitute actuating mechanism through knob and transfer line and be applied to liftable study table, but this actuating mechanism goes up and down highly limitedly, is difficult to realize long stroke and goes up and down, and lifting accuracy is low, easily produces the noise.

Disclosure of Invention

The utility model relates to an overcome among the above-mentioned prior art lift stroke of desktop less, the unstable desktop board of lift easily rock, the noise is great, the low scheduling problem of lift precision, provide an over-and-under type study table and elevating gear, realize long stroke lift, and go up and down steadily, lift precision height, the noise is little, the simple operation.

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

a lifting device comprises a base, a cover plate, a sliding block assembly, a lifting screw rod and a guide assembly, wherein the sliding block assembly is arranged between the base and the cover plate and slides along the axial direction of the lifting screw rod; the guide assembly comprises a guide rail and a plurality of linear guide blocks arranged along the guide rail in an axial sliding mode, the linear guide blocks are fixedly connected with the sliding block assembly, and a plurality of second balls are arranged on the inner wall surface of each linear guide block in the circumferential direction. In the technical scheme, the lifting screw rod drives the sliding table assembly to lift, the guide assembly is used for assisting the enteromorpha assembly to slide, the silent nut is driven by the silent nut to slide on the lifting screw rod through the rotation of the lifting screw rod, the lifting range of the sliding table assembly is the lifting range of the silent nut on the lifting screw rod, and therefore, long-stroke lifting can be realized by the silent nut as long as the lifting screw rod is long enough; and supplementary slip table subassembly of direction subassembly goes up and down, it is more steady to make the slip table subassembly go up and down, the sharp guide block has been used in addition, the setting up of second ball wherein has reduced the friction between sharp guide block and the guide rail, and then the noise that reduces, stability is improved, sharp guide block still has automatic aligning ability simultaneously, even if install the deviation, also can be absorbed by the inside of sharp guide block, and then obtain the steady smooth motion of high accuracy, fault tolerance when having improved the product installation greatly.

Preferably, the first balls are spirally arranged along the thread direction of the mute nut, and the second balls are annularly arranged along the circumferential direction of the inner wall surface of the linear guide block. The setting of first ball and second ball more is favorable to slider assembly to go up and down in the lift lead screw, and first ball has reduced the friction between silence nut and the lift lead screw, has reduced the noise that goes up and down to produce, and the second ball improves the automatic aligning ability of straight line guide block in the noise reduction, is convenient for obtain the steady smooth motion of high accuracy.

Preferably, the sliding block assembly comprises a sliding table and a sliding table connecting piece fixedly connected with the sliding table, the sliding table comprises fixing tables arranged in pairs and connecting plates used for connecting the sliding table connecting piece, the fixing tables arranged in pairs are respectively arranged on two sides of the connecting plates, a step face is arranged between the fixing tables and the connecting plates, the upper side of the step face is matched with the edge of the cover plate, and the lower side of the step face is matched with the sliding table connecting piece in the width direction. The setting of slider connecting piece is used for link block and lift lead screw, and the setting of step face is convenient for the slider setting between base and apron, and when the slider goes up and down, low pole base also played the guide effect to the slider with the apron, and the setting of constant head tank is convenient for fix a position fast with the slip table connecting piece, improves the installation effectiveness.

Preferably, the slider assembly further comprises a through groove for mounting the silent nut, and a locking pin for fastening the silent nut, wherein a fixing groove for mounting the locking pin is arranged at the opening of the through groove. When fixing the silence nut, the stop pin is installed to in the fixed slot, and is equipped with the locking head on the stop pin, and the locking head sets up with the contact of silence nut to extrude the silence nut and then fix the silence nut, simple to operate is swift.

Preferably, the upper end of the lifting screw rod is further provided with a bearing seat and a coupler, the lifting screw rod is connected to the bearing seat through the coupler, and the bearing seat is fixedly connected with the base. The shaft coupling and the bearing seat play a supporting role, so that the lifting screw rod rotates more stably.

Preferably, the lifting screw rod driving device further comprises a motor module used for driving the lifting screw rod to rotate, the motor module comprises an intelligent motor, a driving box and a remote control device, and the intelligent motor is arranged at the bottom end of the lifting screw rod. The intelligent lifting is realized by the arrangement of the motor module, the intelligent motor is controlled by the remote control equipment to rotate, so that the lifting of the sliding table assembly is realized, the desktop height does not need to be manually controlled and judged, the man-machine interaction is realized, and the desktop height is better controlled.

The other technical scheme adopted for achieving the purpose of the invention is as follows: a lifting type learning table comprises the lifting device, a half-wrapped table body, a table top plate and a steel frame, wherein a base of the lifting device is fixedly connected with the half-wrapped table body, one side, facing a cover plate, of a sliding table on the lifting device is fixedly connected with the lower end of the steel frame, and the upper end of the steel frame is connected with the table top plate. In this technical scheme, owing to support the steelframe and connect desktop board and slider, drive the backup pad lift when the slider goes up and down to use silent nut and lift lead screw to realize the long stroke and gone up and down, broken through the limitation that the desk used, in addition, the setting of the half packet of formula table body combines the cabinet body and study table, makes it possess the large capacity and accomodate the attribute, and makes the practicality of this study cabinet promote by a wide margin.

Preferably, the steel frame comprises L-shaped supporting pipes arranged in pairs, each L-shaped supporting pipe comprises a first rod connected with the table top plate and a second rod connected with the sliding block, and the L-shaped supporting pipes in pairs are fixedly connected through second connecting rods. The L-shaped supporting tubes arranged in pairs are favorable for improving the connection firmness between the sliding blocks and the desktop plate, the contact area between the L-shaped supporting tubes and the desktop plate is increased conveniently due to the arrangement of the L-shaped structures, and the stability of the desktop plate during lifting is improved.

Preferably, the lifting device further comprises a lifting block, and the lifting block is arranged between the second rod and the sliding table. The arrangement of the heightening block enables the connection between the L-shaped supporting tube and the sliding block to be firmer.

Preferably, the front end of the first rod is fixedly connected with a first connecting rod, the first connecting rod is rotatably connected with the front end of the table top plate, the table top plate and the second connecting rod are respectively provided with a first hinge element and a second hinge element, a lifting gas spring is connected between the first hinge element and the second hinge element, and two ends of the lifting gas spring are respectively hinged to the first hinge element and the second hinge element. The lift air spring plays the supporting role, when the desktop board goes up and down, plays the buffering braking effect simultaneously, improves the stability of desktop board, and the lift air spring still has flexible function simultaneously, is convenient for realize the slope of desktop board, satisfies different users' demand, improves the commonality.

Therefore, the utility model discloses following beneficial effect has:

(1) the lifting device realizes long-stroke lifting, and has stable lifting, high lifting precision, low noise and convenient operation;

(2) the intelligent lifting is realized by the arrangement of the motor module, the desktop height does not need to be controlled and judged manually, and man-machine interaction is realized;

(3) the cabinet body is combined with the study table in the arrangement of the half-wrapped table body, so that the study table has a large capacity storage attribute, and the practicability of the study cabinet is greatly improved.

(4) Due to the arrangement of the lifting air spring, the desktop plate is inclined, the requirements of different users are met conveniently, and the universality is improved.

Drawings

FIG. 1 is a schematic structural view of a lifting learning table of the present invention;

FIG. 2 is an exploded view of the elevating desk;

FIG. 3 is a schematic view of an exploded structure of the lifting device;

FIG. 4 is a cross-sectional view of the elevator apparatus;

FIG. 5 is a schematic structural view of a silent nut;

FIG. 6 is a schematic structural view of a linear guide block;

FIG. 7 is a schematic view of a slider link construction;

in the figure: 1. the table comprises a half-wrapped table body 12, a table top plate 3, an adjusting swing blade 4, an inclined spanner 5, a lifting gas spring 6, an L-shaped supporting tube 601, a first rod 602, a second rod 7, a first connecting rod 8, a lifting device 9, a second connecting rod 10, a padding block 11, a cover plate 12, a sliding block 1201, a connecting plate 1202, a fixed table 13, a base 14, an intelligent motor 15, a bearing seat 16, a sliding table connecting piece 1601, a through groove 1602, a fixed groove 17, a coupler 18, a mute nut 19, a locking pin 20, a linear guide block 21, a guide rail 22, a lifting screw 23, a first ball 24 and a second ball.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

Example 1:

as shown in fig. 3, 5, 6, and 7, in embodiment 1, a lifting device includes a base 13 and a cover plate 11, and further includes a sliding table assembly, a lifting screw 22, a guiding assembly, and a motor module, where the motor module is used to control the rotation of the lifting screw 22, the motor module is fixed at the bottom end of the lifting screw 22, the lifting screw 22 drives the sliding table assembly to slide, and the sliding table assembly is rotatably disposed in the base 13, and includes a slider 12, a sliding table connecting part 16, a mute nut 18, and a locking pin 19 for fixing the sliding table connecting part 16 and the mute nut 18, the sliding table connecting part 16 is used to connect the slider 12 and the lifting screw 22, a through groove 1601 is disposed in the sliding table connecting part 16, the mute nut 18 is disposed in the through groove 1601, a fixing groove 1602 is disposed at an opening of the through groove 1601, the fixing groove 1602 is used to mount the locking pin 19, the mute nut 18 is sleeved outside the lifting screw 22, a plurality of first balls 23 are disposed on an inner wall surface of the mute nut 18, the first balls 23 are spirally arranged on the inner wall surface of the mute nut 18, and the arrangement mode of the first balls 23 is matched with the lifting screw rod 22; the direction subassembly is used for assisting the slip table subassembly to slide, and the direction subassembly includes guide rail 21 and the straight line guide block 20 of slip setting on guide rail 21, and straight line guide block 20 and slider 12 connecting piece fixed connection are provided with a plurality of second balls 24 that are used for reducing friction in straight line guide block 20, in addition for guaranteeing lift lead screw 22 stability in rotation, are provided with shaft coupling 17 and bearing frame 15 near the bottom end position at lift lead screw 22.

In the technical scheme, the mute nut 18 slides on the lifting screw rod 22 through the rotation of the lifting screw rod 22, the mute nut 18 drives the sliding table assembly to slide, and the lifting range of the sliding table assembly is the lifting range of the mute nut 18 on the lifting screw rod 22, so that the mute nut 18 can realize long-stroke lifting as long as the lifting screw rod 22 is long enough; and supplementary slip table subassembly of direction subassembly goes up and down, it is more steady to make the slip table subassembly go up and down, linear guide block 20 has been used in addition, the setting of second ball 24 wherein has reduced the friction between linear guide block 20 and the guide rail 21, and then the noise that reduces, stability is improved, linear guide block 20 still has automatic aligning ability simultaneously, even if install the deviation, also can be absorbed by linear guide block 20 is inside, and then obtain the steady smooth motion of high accuracy, fault tolerance when having improved the product installation greatly. And the motor module is arranged to realize intelligent lifting, so that the operation is more convenient. In addition, when the mute nut 18 is fixed, the locking pin 19 is installed in the fixing groove 1602, and the locking pin 19 is provided with a locking head, which is disposed in contact with the mute nut 18 and presses the mute nut 18 to fix the mute nut 18, so that the installation is convenient and fast.

Further, as shown in fig. 4, the slider 12 includes a pair of fixed stations 1202 and a connecting plate 1201 for connecting the sliding table connecting part 16, the pair of fixed stations 1202 are disposed on two sides of the connecting plate 1201, a step surface is disposed between the fixed stations 1202 and the connecting plate 1201, an upper side of the step surface is matched with an edge of the cover plate 11, a lower side of the step surface is matched with the base 13, a positioning groove formed by the step surface is disposed at the bottom of the sliding table, the slider 12 is conveniently disposed between the base 13 and the cover plate 11 due to the arrangement of the step surface, when the slider 12 goes up and down, the low-pole base and the cover plate 11 also play a role in guiding the slider 12, and the positioning groove is conveniently and quickly positioned with the sliding table connecting part 16, so that the installation efficiency is improved.

In addition, the motor module comprises an intelligent motor 14, a driving box and a remote control device, wherein the intelligent motor 14 and the driving box are arranged at the bottom end of the lifting screw rod 22 and are fixed with the base 13. The intelligent lifting is realized by the arrangement of the motor module, the intelligent motor 14 is controlled by the remote control equipment to rotate, so that the lifting of the sliding table assembly is realized, the desktop height does not need to be manually controlled and judged, the man-machine interaction is realized, and the desktop height is better controlled.

Example 2:

as shown in fig. 1 and 2, a lifting learning table comprises the lifting device 8, a table top plate 2, a tilt plate assembly for connecting the table top plate 2 and the lifting device 8, and a half-wrapped table body 1 for installing the lifting device 8, wherein the tilt plate assembly comprises a steel frame, two ends of the steel frame are respectively connected with the table top plate 2 and a sliding block 12, the steel frame is fixedly connected with a fixed platform 1202 of the sliding block 12, and a raising block 10 is arranged between the steel frame and the sliding block 12. In this technical scheme, because desktop board 2 and slider 12 are connected to the steelframe, it goes up and down to drive the backup pad when slider 12 goes up and down, and use silent nut 18 and lift lead screw 22 to realize that the long stroke goes up and down, the limitation that the desk was used has been broken through, and the setting up of bed hedgehopping piece 10 makes being connected between steelframe and the slider 12 more firm, in addition, the setting of half packet of formula table body 1 combines the cabinet body and study table, make it possess the large capacity and accomodate the attribute, and make the practicality of this study cabinet promote by a wide margin.

Further, the steel frame comprises L-shaped supporting pipes 6 arranged in pairs, each L-shaped supporting pipe 6 comprises a first rod 601 and a second rod 602, the end of each first rod 601 is connected with the table top plate 2, each second rod 602 is connected with a sliding block 12, a first connecting rod 7 used for connecting the table top plate 2 is arranged at the end of each first rod 601, a second connecting rod 9 is arranged between each pair of L-shaped supporting pipes 6, and each second connecting rod 9 is fixed with each second rod 602. First connecting rod 7 and second connecting rod 9 are fixed first pole 601 and second pole 602, and first connecting rod 7 still is connected with desktop board 2 bottom simultaneously, and the L type stay tube 6 that sets up in pairs is favorable to improving the firm in connection degree between slider 12 and the desktop board 2, and is convenient for increase the area of contact between L type stay tube 6 and the desktop board 2 with setting up of L type structure, the steadiness when improving desktop board 2 and going up and down.

In addition, the inclined plate component also comprises a lifting gas spring 5, one end of the lifting gas spring 5 is fixed on the second connecting rod 9, and the other end is fixed at the bottom of the table top plate 2. The lifting air spring 5 plays a supporting role, and simultaneously plays a role in buffering and braking when the table top plate 2 is lifted, so that the stability of the table top plate 2 is improved. In addition, the lifting gas spring also has a telescopic function, so that the inclination of the table top plate is convenient to realize, the requirements of different users are met, and the universality is improved.

Example 3:

the embodiment 3 is basically the same as the embodiment 2, except that: 2 bottoms of desktop board are provided with mated regulation and shake the page or leaf, head rod 7 is the pipe structure and fixes on adjusting to shake the page or leaf, the hang plate subassembly still includes slope spanner 4, and lift air spring 5 sets up to the air spring, the setting of adjusting to shake the page or leaf has realized that desktop board 2 rotates around head rod 7, it is flexible through slope spanner 4 drive air spring when using, make desktop board 2 rotate around head rod 7, take place to incline and satisfy different user demands, improve the comfort level.

It should be noted that as used in the foregoing description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

The above examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.

Claims (10)

1. A lifting device comprises a base and a cover plate, and is characterized by further comprising a sliding block assembly, a lifting screw rod (22) and a guide assembly, wherein the sliding block assembly is arranged between the base (13) and the cover plate (11), the sliding block assembly slides along the lifting screw rod (22) in the axial direction, a mute nut (18) is fixedly connected inside the sliding block assembly, the mute nut (18) is movably connected with the lifting screw rod (22), and a plurality of first balls (23) are arranged on the inner wall surface of the mute nut (18); the guide assembly comprises a guide rail (21) and a plurality of linear guide blocks (20) which are arranged along the axial direction of the guide rail in a sliding mode, the linear guide blocks (20) are fixedly connected with the sliding block assembly, and a plurality of second balls (24) are arranged on the inner wall surface of each linear guide block (20) in the circumferential direction.

2. A lifting device as claimed in claim 1, characterized in that the first balls (23) are arranged helically in the direction of the thread of the silent nut (18) and the second balls (24) are arranged annularly in the circumferential direction along the inner wall surface of the linear guide block (20).

3. The lifting device as claimed in claim 1, wherein the slider assembly comprises a sliding table (12) and a sliding table connecting piece (16) fixedly connected with the sliding table, the sliding table (12) comprises fixing tables (1202) arranged in pairs and a connecting plate (1201) used for connecting the sliding table connecting piece (16), the fixing tables (1202) arranged in pairs are respectively arranged on two sides of the connecting plate (1201), a step surface is arranged between the fixing tables (1202) and the connecting plate (1201), the upper side of the step surface is matched with the edge of the cover plate (11), and the lower side of the step surface is matched with the sliding table connecting piece in the width direction.

4. A lifting device as claimed in claim 1, wherein the slide assembly further comprises a through groove (1601) for mounting the silent nut (18), and a locking pin (19) for fastening the silent nut (18), and a fixing groove (1602) for mounting the locking pin (19) is provided at an opening of the through groove (1601).

5. A lifting device as claimed in claim 1, characterized in that a bearing seat (15) and a coupling (17) are further provided at the upper end of the lifting screw (22), the lifting screw (22) is connected to the bearing seat (15) through the coupling (17), and the bearing seat (15) is fixedly connected to the base (13).

6. A lifting device as claimed in any one of claims 1 to 5, characterized in that: still including being used for driving lift lead screw (22) pivoted motor module, motor module includes intelligent motor (14), drive box and remote control unit, intelligent motor (14) set up the bottom at lift lead screw (22).

7. A lifting type learning table is characterized by comprising a lifting device according to any one of claims 1 to 5, and further comprising a half-wrapped table body (1), a table top plate (2) and a steel frame, wherein a base (13) of the lifting device (8) is fixedly connected with the half-wrapped table body (1), one side, facing a cover plate (11), of a sliding table (12) on the lifting device (8) is fixedly connected with the lower end of the steel frame, and the upper end of the steel frame is connected with the table top plate.

8. The elevating learning table of claim 7, wherein: the steel frame comprises L-shaped supporting tubes (6) which are arranged in pairs, each L-shaped supporting tube (6) comprises a first rod (601) connected with the table top plate (2) and a second rod (602) connected with the sliding block, and the L-shaped supporting tubes (6) in pairs are fixedly connected through second connecting rods (9).

9. The lifting type learning table as claimed in claim 7, further comprising a block (10) with a pad, wherein the block (10) with a pad is disposed between the second rod (602) and the sliding platform (12).

10. The lifting type learning table as claimed in claim 8, wherein a first connecting rod (7) is fixedly connected to a front end of the first rod (601), the first connecting rod (7) is rotatably connected to a front end of the table top (2), the table top (2) and the second connecting rod (9) are respectively provided with a first hinge member and a second hinge member, a lifting gas spring (5) is connected between the first hinge member and the second hinge member, and two ends of the lifting gas spring (5) are respectively hinged to the first hinge member and the second hinge member.

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