CN215190046U

CN215190046U - Driving structure suitable for deformation of table

Info

Publication number: CN215190046U
Application number: CN202121406519.1U
Authority: CN
Inventors: 刘应德; 周义维
Original assignee: Chengdu Sidate Electric Appliance Co ltd
Current assignee: Chengdu Sidate Electric Appliance Co ltd
Priority date: 2021-04-06
Filing date: 2021-06-23
Publication date: 2021-12-17
Anticipated expiration: 2031-06-23
Also published as: CN215190049U; CN215190047U; CN215190048U

Abstract

The utility model discloses a driving structure suitable for the deformation of a table, which relates to the technical field of furniture design and comprises a supporting frame, wherein the supporting frame is provided with an installation mechanism used for installing a main table top; the support frame is horizontally connected with two sliding frames in a sliding manner through a sliding rail, the support frame is provided with a driving mechanism for driving the two sliding frames to move in an opposite direction or in an opposite direction, the driving mechanism comprises driving rods respectively hinged at the centers of the two sliding frames, one ends of the two driving rods, far away from the sliding frames, are hinged through a connecting piece, and the connecting piece is connected with a rotary driving mechanism for driving the connecting piece to rotate; a base is arranged on each of the two sliding frames, a lifting platform is arranged on each base, a driven rod is horizontally connected to each base in a sliding mode, and a guide mechanism is arranged between each driving rod and each driven rod; the utility model has the advantages of strong integration and linkage of the integral driving structure, energy saving, convenient operation, strong automation and stability in the deformation process, and effectively ensured stable service life of the table; the desk has the advantages of small occupied area, flexibility and delicacy, and effectively improves the universality and the applicability of the desk.

Description

Driving structure suitable for deformation of table

Technical Field

The utility model relates to a furniture design technical field, concretely relates to drive structure suitable for desk deformation.

Background

The table is a common furniture, and is provided with a plane on the upper part and a pillar on the lower part. The multifunctional dining table can be used for placing things, doing things, eating, writing, working and the like, and can be divided into a plurality of categories such as dining tables, office tables and the like according to requirements in daily life.

The shape, the area of current desk are fixed usually, are mostly one of square table, strip table and round table, can't adjust according to service environment, use scene difference, and its structure is fixed, the function singleness, commonality and suitability are relatively poor, and along with people's pursuit to soft dress more and more draw close to diversified directions such as beautification, activation, polytropy, space make full use of, traditional desk can't satisfy modern's demand gradually.

On the basis, deformable tables gradually appear in the market, but the existing adjustable-structure tables are often poor in driving structure dispersion, energy conservation and linkage automatic performance, inconvenient to adjust and operate, stable and short in service life, or are overstaffed in the whole structure due to the dispersed and complex structure, so that the attractiveness and the flexibility are affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the technical problem, the utility model provides a drive structure for desk transform that structure integration nature and linkage nature are strong, the flexibility ratio is high and the stable performance.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme:

a driving structure suitable for deformation of a table comprises a supporting frame, wherein an installation mechanism used for installing a main table top is arranged on the supporting frame; the support frame is horizontally connected with two parallel sliding frames in a sliding manner through a sliding rail, a driving mechanism for driving the two sliding frames to move in an opposite direction or in an opposite direction is arranged on the support frame, the driving mechanism comprises driving rods respectively hinged at the centers of the two sliding frames, one ends of the two driving rods, far away from the sliding frames, are hinged through a connecting piece, the connecting piece is connected with a rotary driving mechanism for driving the connecting piece to rotate around the center point of the connecting piece, and the distance between the center point of the connecting piece and the hinged point of the two driving rods, hinged on the connecting piece, is equal; the two sliding frames are respectively provided with a base, the base is provided with a lifting platform for mounting the auxiliary table plate, and the base and the lifting platform are hinged through a plurality of parallel connecting rods; the rod body of one of the connecting rods is hinged with a supporting rod, and the supporting rod and the connecting rod are positioned on the same plane; a driven rod is horizontally connected to the base in a sliding manner and is hinged with one end, far away from the connecting rod, of the supporting rod; a guide mechanism for driving the driven rod to do reciprocating linear motion in the horizontal plane along with the swinging of the driving rod is arranged between the driving rod and the driven rod.

Preferably, the connecting piece comprises a disc gear, the disc gear is rotatably installed on the supporting frame, two ends of a diameter line of the same circumference on the surface of the disc gear are respectively and fixedly connected with a connecting rod, and the two driving rods are respectively hinged with one connecting rod; the rotary driving mechanism comprises a driving gear meshed with the disc gear, and the driving gear is connected with a driving motor.

Preferably, the guide mechanism comprises a guide plate parallel to the driven rod, a strip-shaped driving hole and a strip-shaped guide plate limiting hole perpendicular to the strip-shaped driving hole are formed in the guide plate, a driving column in sliding connection with the strip-shaped driving hole is arranged on a rod body of the driving rod, the guide plate and the driving rod are in sliding and rotating connection through the strip-shaped driving hole, and a guide column fixedly arranged is arranged in the strip-shaped guide plate limiting hole; the guide plate is provided with driven rod guide holes, the driven rod guide holes comprise two strip-shaped holes parallel to the strip-shaped guide plate limiting holes and an inclined strip-shaped hole, the two parallel strip-shaped holes are communicated end to end through the inclined strip-shaped holes, and an included angle between the inclined strip-shaped hole and the two parallel strip-shaped holes is larger than 90 degrees; and a driven column matched with the guide hole of the driven rod is arranged on the rod body of the driven rod, and the driven column extends into the guide hole of the driven rod and is connected with the guide plate in a sliding manner.

Preferably, still be equipped with driven lever stop gear, driven lever stop gear includes the fixed limiting plate that sets up parallel with the deflector, is equipped with the spacing hole of bar driven lever perpendicular with the spacing hole of bar deflector on the limiting plate, be equipped with on the pole body of driven lever with the spacing hole complex of driven lever from the post, from the post stretch into the spacing hole limiting plate sliding connection of driven lever.

Preferably, the limiting plate and the driving rod are both positioned below the guide plate, and the driven rod is positioned below the limiting plate; the guide post is fixedly connected with a limiting plate, and the limiting plate is fixed on the sliding frame; the tracks of the driven rod limiting hole and the driven rod guide hole are intersected in different planes, and the same driven column penetrates through the driven rod limiting hole and also penetrates through the driven rod guide hole to be connected with the guide plate and the limiting plate in a sliding mode.

Preferably, two driven rod guide holes and two strip-shaped guide plate limiting holes are formed in the driven rod, and the two driven rod guide holes and the two strip-shaped guide plate limiting holes are symmetrically positioned on the left side and the right side of the strip-shaped driving hole; the limiting plates are two and are respectively located on the left side and the right side of the strip-shaped driving hole.

Preferably, the cross section of the base is in an L shape, the connecting rods are hinged to the vertical surface of the base, the driven rod is connected with a sliding plate parallel to the horizontal bottom surface of the base, a plurality of strip-shaped sliding holes are formed in the sliding plate along the linear sliding direction, sliding rods in one-to-one correspondence to the strip-shaped sliding holes are arranged on the base, the base and the sliding plate are connected with the sliding rods in a sliding mode through the sliding holes, and the sliding plate is hinged to the supporting rod through a rotating shaft.

Preferably, a horizontal strip-shaped supporting limiting hole is formed in the vertical surface of the base, and the end part of the rotating shaft horizontally slides in the strip-shaped supporting limiting hole.

Preferably, the mounting mechanism comprises a plurality of mounting columns fixedly arranged on the support frame or a main mounting plate which is parallel to the support frame and fixed above the support frame.

Preferably, both ends of each sliding frame are provided with a base, and an auxiliary mounting plate is connected between two lifting platforms at both ends of the same sliding frame.

The utility model has the advantages as follows:

1. the utility model discloses a drive structure, sliding connection two balladeur trains on the support frame that is used for installing the main desktop, set up the elevating platform that is used for installing the vice table on two balladeur trains, set up actuating mechanism on the support frame and drive two elevating platforms synchronous decline or rise when driving two balladeur trains to move in opposite directions or back to back, when only using the main table, drive two balladeur trains through actuating mechanism and move in opposite directions and make two vice tables descend and draw in on the balladeur train and the balladeur train is integrative to draw in on the support frame below the main table; when the area of the main table top needs to be enlarged, the two sliding frames are driven by the driving mechanism to move away from each other and unfold, then the two auxiliary table plates are lifted to be flush with the edge of the main table plate, the area of the table top is enlarged, and the integral driving structure is strong in integration and linkage; the transverse movement and the vertical lifting of the auxiliary table plate can be realized by adopting one main driving force, the energy is saved, the operation is convenient, the whole linkage mechanism adopts mechanical linkage, the automation and the stability of the deformation process are strong, and the stable service life of the table is effectively ensured; the integral structure is integrated and included in the support frame, so that the occupied area is small, the desk is flexible and exquisite, and the attractiveness of the integral desk is guaranteed; the deformation performance of the table is realized, and the universality and the applicability of the table are effectively improved.

2. The connecting piece of the utility model is a disc gear which is rotationally arranged on the supporting frame, and the two driving rods are hinged with two end points of the same diameter line of the disc gear; the rotary driving mechanism comprises a driving gear meshed with the disc gear, the two driving rods are driven to rotate around the disc gear through the gears to be meshed so as to drive the sliding frame hinged with the driving gear to slide, the gear meshing driving precision and rigidity are high, the cost is low, the service life is long, and the stability of driving transmission is effectively guaranteed.

3. The guide mechanism for realizing the conversion of the motion trail comprises a guide plate, the guide plate is connected with the driving rod in a sliding and rotating way, and is provided with a bar-shaped guide plate limiting hole, so that the guide plate can do left-right translation linear motion along with the swinging of the driving rod; the guide plate is provided with the driven rod guide hole with curves of different lines at the head end and the tail end, so that the driven rod can linearly slide back and forth relative to the guide plate, the driven rod is driven to linearly move through the guide plate and the driven rod guide hole with a guide path, the purpose of converting rotary drive into linear drive is achieved, the structure is simple, the mechanical performance is stable, and the stability of conversion linkage is effectively guaranteed.

4. The utility model discloses set up the limiting plate, be equipped with the spacing hole of driven lever on the limiting plate, the limiting plate realizes promptly that the driven lever is spacing along its direction of motion's sliding connection effect, and it is spacing also to carrying out further direction when being linear motion by actuating lever driven lever, plays additional support and guide effect to linear motion's driven lever, and operation when improving driven lever linear motion is in the same direction as smooth and stable.

5. The utility model discloses a deflector and limiting plate wainscot are parallel, and the orbit antarafacial of the spacing hole of driven lever and driven lever guiding hole is crossing, and same root driven post had both passed the spacing hole of driven lever and had also passed driven lever guiding hole and deflector and limiting plate sliding connection on the driven lever, further retrencies the structure, and simplification and visual structure when guaranteeing the operational property is convenient for assemble and dismantle and maintain.

6. The utility model discloses a driven lever guiding hole and the spacing hole of bar deflector all are equipped with two, and two driven lever guiding holes and two spacing holes of bar deflector are located the left and right sides symmetric position in bar drive hole, not only form more balanced stable direction limiting displacement to the deflector, also make the direction atress of driven lever balanced more stable.

7. The utility model discloses a cross section of base is the L type, and a plurality of connecting rods articulate on the vertical face of base, and driven lever sliding connection is on the horizontal bottom surface of base, and ingenious encloses the connection position with multiple structure and closes in the base, plays the guard action to the moving part of mechanism, and effectively improves the clean and tidy aesthetic property of base outward appearance.

8. The utility model discloses be equipped with the spacing hole of horizontally bar support on the vertical face of base, the tip of pivot supports spacing downthehole horizontal slip in the bar, and the lower extreme of bracing piece is horizontal displacement along with the linear sliding of follow-on pole to rotatory the propping up or the gyration is descended of drive connecting rod, and the setting for of the spacing hole is supported to the bar further forms support and direction to the tip of bracing piece translation, effectively improves the support intensity and the support stability of bracing piece.

9. The utility model discloses an installation mechanism is various, can be according to the fixed demand of actual main table or the supporting different desktop installation mechanism of the outward appearance demand of whole desk, and the flexibility is strong.

Drawings

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the retracted state of the present invention;

FIG. 3 is a partial schematic view of the guide mechanism and lift table portion of FIG. 1;

FIG. 4 is a front view of the guide mechanism of FIG. 3;

FIG. 5 is a front view of the lift table of FIG. 3;

FIG. 6 is a schematic view of the present invention applied to the unfolded state of the round table deformation;

FIG. 7 is a schematic view showing the retracted state of the auxiliary table board applied to the deformation of the round table;

FIG. 8 is a schematic view of the present invention applied to the extended state of the long table;

fig. 9 is a schematic view of the withdrawing state of the auxiliary desk board applied to the deformation of the long desk.

Description of the drawings: 1-strip-shaped driving hole, 2-strip-shaped guide plate limiting hole, 3-guide plate, 4-driven rod guiding hole, 5-strip-shaped driven rod limiting hole, 6-limiting plate, 7-driven rod, 8-driven column, 9-guiding column, 10-driving column, 11-driving rod, 12-base, 13-lifting platform, 14-connecting rod and 15-supporting rod, 16-bar-shaped support limiting hole, 17-rotating shaft, 18-sliding plate, 19-bar-shaped sliding hole, 20-sliding frame, 21-side plate, 22-sliding rail, 23-bottom plate, 24-disc gear, 25-driving gear, 26-connecting rod, 27-main table plate, 28-auxiliary table plate, 29-auxiliary mounting plate and 30-main mounting plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1 to 5, the driving structure suitable for deformation of a table provided by this embodiment includes a supporting frame, where the supporting frame is provided with an installation mechanism for installing a main table top; the support frame includes bottom plate 23 and sets up the curb plate 21 at bottom plate 23 two contrasides, installation mechanism select for use according to actual installation demand can, installation mechanism can adopt a plurality of fixed erection columns that set up on the support frame or fix main mounting panel 30 in the top of support frame, and in this embodiment, installation mechanism is including being fixed in the main mounting panel 30 on the curb plate 21 of support frame, and it can to install main table 27 on main mounting panel 30 again.

Two side plates 21 of the support frame are respectively provided with two slide rails 22, the two slide rails 22 are horizontally connected with two parallel sliding frames 20 in a sliding manner, the support frame is provided with a driving mechanism for driving the two sliding frames 20 to move in an opposite direction or in an opposite direction, the driving mechanism comprises driving rods 11 respectively hinged at the centers of the two sliding frames 20, one ends of the two driving rods 11 far away from the sliding frames 20 are hinged through a connecting piece, the connecting piece is connected with a rotary driving mechanism for driving the connecting piece to rotate around the self midpoint of the connecting piece, and the distance from the midpoint of the connecting piece to the hinged point of the two driving rods 11 on the connecting piece is equal;

the rotary driving mechanism can select a motor for driving the connecting piece to rotate around the center of the connecting piece, and other rotary driving mechanisms can be adopted as long as the two driving rods 11 can be driven to rotate around the center line of the connecting piece in a positive and negative mode. As a preferred embodiment of the present embodiment, the connecting member includes a disc gear 24, the disc gear 24 is rotatably mounted on the supporting frame, two ends of a diameter line of the same circumference on the surface of the disc gear 24 are respectively and fixedly connected with a connecting rod 26, and the two driving rods 11 are respectively hinged with one connecting rod 26; the rotary drive mechanism includes a drive gear 25 engaged with the disc gear 24, and the drive gear 25 is connected with a drive motor.

The two carriages 20 are respectively provided with a base 12, the base 12 is provided with a lifting platform 13 for mounting an auxiliary table board 28, and the base 12 and the lifting platform 13 are hinged through a plurality of parallel connecting rods 14; the shaft of one of the connecting rods 14 is hinged with a supporting rod 15, and the supporting rod 15 and the connecting rod 14 are positioned on the same plane; a driven rod 7 is horizontally connected to the base 12 in a sliding manner, and the driven rod 7 is hinged to one end, far away from the connecting rod 14, of the supporting rod 15; a guide mechanism for driving the driven rod 7 to do reciprocating linear motion in a horizontal plane along with the swinging of the driving rod 11 is arranged between the driving rod 11 and the driven rod 7.

In the embodiment, in order to ensure the stability of the lifting platforms 13, a base 12 is arranged at each end of each carriage 20 close to two side plates 21, and a sub-mounting plate 29 is connected between two lifting platforms 13 at two ends of the same carriage 20; the three connecting rods 14 are hinged side by side, the center of the connecting rod 14 in the middle is hinged to the top end of the supporting rod 15, the lower end of the supporting rod 15 is hinged to the end portion of the driven rod 7, the driven rod 7 is connected to the base 12 in a sliding mode, and the linear sliding motion direction line of the driven rod 7 is horizontal and parallel to the plane where the supporting rod 15 is located.

The guide mechanism comprises a guide plate 3 parallel to the driven rod 7, a strip-shaped driving hole 1 and a strip-shaped guide plate limiting hole 2 perpendicular to the strip-shaped driving hole 1 are formed in the guide plate 3, a driving column 10 connected with the strip-shaped driving hole 1 in a sliding mode is arranged on the rod body of the driving rod 11, the guide plate 3 and the driving rod 11 are connected through the strip-shaped driving hole 1 in a sliding mode and in a rotating mode, and a guide column 9 fixedly arranged in the strip-shaped guide plate limiting hole 2 is matched; the guide plate 3 is provided with driven rod guide holes 4, the driven rod guide holes 4 comprise two strip-shaped holes parallel to the strip-shaped guide plate limiting holes 2 and an inclined strip-shaped hole, the two parallel strip-shaped holes are communicated end to end through the inclined strip-shaped hole, and an included angle between the inclined strip-shaped hole and the two parallel strip-shaped holes is larger than 90 degrees; and a driven column 8 matched with the driven rod guide hole 4 is arranged on the rod body of the driven rod 7, and the driven column 8 extends into the driven rod guide hole 4 and is in sliding connection with the guide plate 3.

It should be noted that the shapes of the main table 27 and the sub-table 28 may be changed according to actual situations, for example; the main table board 27 is long, and the length of the table can be changed (as shown in fig. 8 and 9); or the main table board 27 and the two auxiliary table boards 28 are combined to form a circle (as shown in fig. 6 and 7), and other shape changes can be used, which is not limited uniquely.

The working principle is as follows: when the area of the main table 27 needs to be increased or the shape of the main table 27 needs to be changed by using the auxiliary table 28, the motor drives the driving gear 25 to rotate, so as to drive the disc gear 24 to rotate, the two driving rods 11 extend outwards at the same time, the two sliding frames 20 are forced to be pushed outwards, the driving rods 11 rotate around the sliding frames 20 in the process, when the driving rods 11 are to be extended to the maximum position, the driving columns 10 act on the guide plate 3, the driving rods 11 drive the guide plate 3 to move transversely until the driven columns 8 pass through the inclined holes of the driven rod guide holes 4, the driven rod guide holes 4 limit the linear displacement of the driven columns 8, so as to drive the driven rods 7 to slide on the base 12, the driven rods 7 slide to drive the supporting rods 15 to move, so as to support the connecting rods 14, the upper ends of the connecting rods 14 rise in a rotating manner, so as to drive the lifting platform 13 to drive the auxiliary table 28 to rise to a preset position, preferably level with the main table 27, after the driving rod 11 extends to the longest distance, the driving rod 11 continues to rotate for a certain angle, the driving rod 11 drives the sliding frame 20 to draw close inwards to be attached to the edge of the main tabletop to finish deformation, and in the process, the driven column 8 is arranged at the lower end of the guide hole 4 of the driven rod and does not move linearly, so that the height of the lifting platform 13 is kept unchanged; when the auxiliary table 28 needs to be retracted, the disc gear 24 rotates reversely, the driving rod 11 drives the two sliding plates to move outwards at the same time, after the driving rod 11 bypasses the angle perpendicular to the sliding frame 20, the guide plate 3 is stressed to translate, the driven plate is driven to slide reversely on the base 12, the supporting plate is driven to move, the connecting rod 14 rotates and descends, the lifting platform 13 drives the auxiliary table 28 to descend until the auxiliary table is unchanged, the driving rod 11 continues to rotate along with the disc gear 24, the sliding frame 20 is stressed to contract inwards synchronously, the two auxiliary tables 28 are driven to retract to a preset position, and the auxiliary tables 28 are retracted to the position below the main table 27.

Example 2

As shown in fig. 3 and fig. 4, the present embodiment is further optimized based on embodiment 1, specifically:

still be equipped with 7 stop gear of driven lever, 7 stop gear of driven lever include with the parallel fixed limiting plate 6 that sets up of deflector 3, be equipped with on the limiting plate 6 with the spacing hole of 2 vertically bar driven levers of the spacing hole of bar deflector 5, be equipped with on the pole body of driven lever 7 with the spacing hole of driven lever 5 complex from the post 8, from the post 8 stretch into the spacing hole of driven lever 5 and limiting plate 6 sliding connection. The limiting plate 6 realizes sliding connection of the driven rod 7 along the motion direction of the driven rod, further guides and limits the driven rod 7 driven by the driving rod 11 when the driven rod 7 moves linearly, plays a role in strengthening support and guide for the driven rod 7 moving linearly, and improves smooth operation and stability of the driven rod 7 when the driven rod moves linearly.

As a preferred embodiment of the present embodiment, the guide plate 3 and the limit plate 6 are faced in parallel, the track of the driven rod limiting hole 5 intersects with the track of the driven rod guide hole 4 in different planes, the same driven column 8 passes through both the driven rod limiting hole 5 and the driven rod guide hole 4 to be slidably connected with the guide plate 3 and the limit plate 6, and the guide column 9 is fixed on the limit plate 6.

In order to further ensure the stress stability and the smoothness of the whole structure, two driven rod guide holes 4 and two strip-shaped guide plate limiting holes 2 are arranged, the two driven rod guide holes 4 and the two strip-shaped guide plate limiting holes 2 are positioned at the symmetrical positions of the left side and the right side of a strip-shaped driving hole 1, two limiting plates 6 are also arranged, the limiting plates 6 are fixed on a peripheral fixing mechanism, the two limiting plates 6 are respectively positioned at the left side and the right side of the strip-shaped driving hole 1, each limiting plate 6 is fixedly provided with one guide post 9, and each guide post 9 corresponds to one strip-shaped guide plate limiting hole 2; two driven columns 8 are arranged at corresponding positions on the driven rod 7, and each driven column 8 corresponds to the guide hole 4 of the driven rod 7 and the limit hole 5 of the driven rod at the same side. The limiting plate 6 and the driving rod 11 are both positioned below the guide plate 3, and the driven rod 7 is positioned below the limiting plate 6. Two driven lever guiding holes 4 and two spacing holes 2 of bar deflector not only form more balanced stable direction limiting displacement to deflector 3, also make the direction atress of driven lever 7 more balanced stable for whole linkage structure connects, the atress is more stable, and the linkage operation is more smooth and easy.

Example 3

As shown in fig. 3 and fig. 5, the present embodiment is further optimized based on embodiments 1 and 2, specifically:

the cross section of base 12 is the L type, a plurality of connecting rods 14 articulate on the vertical face of base 12, driven lever 7 is connected with the sliding plate 18 that parallels with the horizontal bottom surface of base 12, sliding plate 18 is articulated through pivot 17 with bracing piece 15, be equipped with the horizontally bar on the vertical face of base 12 and support spacing hole 16, the tip of pivot 17 is equipped with a plurality of bar sliding holes 19 along the straight line slip direction on bar support spacing hole 16 horizontal slip sliding plate 18, be equipped with the slide bar with bar sliding holes 19 one-to-one on the base 12, base 12 and sliding plate 18 pass through bar sliding holes 19 and slide bar sliding connection.

L type base 12 plays protection and certain dustproof effect to the moving part of mechanism, can effectively separate moving mechanism and service environment, effectively improves the clean and tidy aesthetic property of base 12 outward appearance when guaranteeing the security, and the setting for of spacing hole 16 is supported to the bar further forms support and direction to the tip of bracing piece 15 translation, effectively improves the support intensity and the support stability of bracing piece 15.

Claims

1. A driving structure suitable for deformation of a table comprises a supporting frame, wherein an installation mechanism used for installing a main table board (27) is arranged on the supporting frame; the device is characterized in that two parallel sliding frames (20) are horizontally connected to a support frame in a sliding mode through a sliding rail (22), a driving mechanism for driving the two sliding frames (20) to move in an opposite direction or in an opposite direction is arranged on the support frame, the driving mechanism comprises driving rods (11) respectively hinged to the centers of the two sliding frames (20), one ends, far away from the sliding frames (20), of the two driving rods (11) are hinged through a connecting piece, the connecting piece is connected with a rotary driving mechanism for driving the connecting piece to rotate around the center point of the connecting piece, and the distance between the center point of the connecting piece and the hinged point, hinged to the connecting piece, of the two driving rods (11) is equal; the two carriages (20) are respectively provided with a base (12), the bases (12) are provided with a lifting platform (13) for mounting the auxiliary table plate (28), and the bases (12) and the lifting platforms (13) are hinged through a plurality of parallel connecting rods (14); the shaft body of one connecting rod (14) is hinged with a supporting rod (15), and the supporting rod (15) and the connecting rod (14) are positioned on the same plane; a driven rod (7) is horizontally connected to the base (12) in a sliding manner, and the driven rod (7) is hinged to one end, far away from the connecting rod (14), of the supporting rod (15); a guide mechanism for driving the driven rod (7) to do reciprocating linear motion in the horizontal plane along with the swinging of the driving rod (11) is arranged between the driving rod (11) and the driven rod (7).

2. A driving structure suitable for table deformation as claimed in claim 1, wherein the connecting member comprises a disc gear (24), the disc gear (24) is rotatably mounted on the supporting frame, two connecting rods (26) are respectively fixedly connected to two ends of a diameter line of the same circumference on the surface of the disc gear (24), and the two driving rods (11) are respectively hinged with one connecting rod (26); the rotary driving mechanism comprises a driving gear (25) meshed with the disc gear (24), and the driving gear (25) is connected with a driving motor.

3. A driving structure suitable for table deformation according to claim 1, wherein the guiding mechanism comprises a guiding plate (3) parallel to the driven rod (7), the guiding plate (3) is provided with a strip-shaped driving hole (1) and a strip-shaped guiding plate limiting hole (2) perpendicular to the strip-shaped driving hole (1), a driving column (10) slidably connected with the strip-shaped driving hole (1) is arranged on the rod body of the driving rod (11), the guiding plate (3) and the driving rod (11) are slidably and rotatably connected through the strip-shaped driving hole (1), and a guiding column (9) fixedly arranged is arranged in the strip-shaped guiding plate limiting hole (2); driven rod guide holes (4) are formed in the guide plate (3), each driven rod guide hole (4) comprises two strip-shaped holes parallel to the strip-shaped guide plate limiting hole (2) and an inclined strip-shaped hole, the two parallel strip-shaped holes are communicated end to end through the inclined strip-shaped holes, and an included angle between each inclined strip-shaped hole and each parallel strip-shaped hole is larger than 90 degrees; the driven column (8) matched with the driven rod guide hole (4) is arranged on the rod body of the driven rod (7), and the driven column (8) extends into the driven rod guide hole (4) to be connected with the guide plate (3) in a sliding mode.

4. A driving structure suitable for deformation of tables according to claim 3, wherein a driven rod (7) limiting mechanism is further provided, the driven rod (7) limiting mechanism comprises a limiting plate (6) which is parallel to the guide plate (3) and is fixedly arranged, a strip-shaped driven rod limiting hole (5) which is perpendicular to the strip-shaped guide plate limiting hole (2) is provided on the limiting plate (6), a driven post (8) which is matched with the strip-shaped driven rod limiting hole (5) is provided on the rod body of the driven rod (7), and the driven post (8) extends into the strip-shaped driven rod limiting hole (5) and is connected with the limiting plate (6) in a sliding manner.

5. A driving structure suitable for table deformation according to claim 4, characterized in that the limiting plate and the driving rod (11) are both located below the guiding plate (3), and the driven rod (7) is located below the limiting plate (6); the guide post (9) is fixedly connected with the limiting plate (6), and the limiting plate (6) is fixed on the sliding frame (20); the track of the strip-shaped driven rod limiting hole (5) is intersected with the track of the driven rod guide hole (4) in a different plane mode, and the same driven column (8) penetrates through the strip-shaped driven rod limiting hole (5) and also penetrates through the driven rod guide hole (4) to be connected with the guide plate (3) and the limiting plate (6) in a sliding mode.

6. A driving structure suitable for table deformation according to claim 4, characterized in that there are two driven rod guide holes (4) and two strip guide plate limiting holes (2), and the two driven rod guide holes (4) and the two strip guide plate limiting holes (2) are symmetrically positioned at the left and right sides of the strip driving hole (1); the two limiting plates (6) are arranged, and the two limiting plates (6) are respectively located on the left side and the right side of the strip-shaped driving hole (1).

7. A driving structure suitable for deformation of tables as claimed in claim 1, wherein said base (12) is L-shaped in cross section, a plurality of connecting rods (14) are hinged on the vertical surface of the base (12), a sliding plate (18) parallel to the horizontal bottom surface of the base (12) is connected to the driven rod (7), a plurality of strip-shaped sliding holes (19) are arranged on the sliding plate (18) along the linear sliding direction, sliding rods corresponding to the strip-shaped sliding holes (19) are arranged on the base (12), the base (12) and the sliding plate (18) are slidably connected with the sliding rods through the strip-shaped sliding holes (19), and the sliding plate (18) is hinged with the supporting rod (15) through the rotating shaft (17).

8. A driving structure suitable for table deformation as claimed in claim 7, wherein the vertical surface of the base (12) is provided with a horizontal strip-shaped supporting and limiting hole (16), and the end of the rotating shaft (17) slides horizontally in the strip-shaped supporting and limiting hole (16).

9. A driving mechanism for table deformation according to claim 1 wherein the mounting mechanism comprises a plurality of mounting posts fixedly mounted on the support frame or a main mounting plate (30) parallel to the support frame and fixed above the support frame.

10. A driving structure for table deformation according to claim 1, characterized in that each carriage (20) has a base (12) at both ends, and a secondary mounting plate (29) is connected between the two lifting platforms (13) at both ends of the same carriage (20).