CN217791956U - Dining table rotary telescopic mechanism and rotary telescopic table - Google Patents

Abstract

The utility model relates to the field of furniture technology, in particular to a dining table rotary telescopic mechanism, which comprises a supporting base, a fixed shaft sleeve arranged on the supporting base, a rotary shaft core rotationally arranged in the fixed shaft sleeve, an outer shaft sleeve movably sleeved on the periphery of the fixed shaft sleeve, a supporting frame arranged outside the outer shaft sleeve and two sliding supporting rods respectively arranged at two ends of the supporting frame in a sliding way, wherein the two sliding supporting rods are respectively connected with the supporting base through telescopic components, and the rotary shaft core is connected with the supporting frame through a connecting component; and a lifting driving mechanism for driving the rotating shaft core to lift is arranged between the rotating shaft core and the fixed shaft sleeve. The structure has simple and compact design, simplified production process of structural parts, lower cost and simple and convenient operation. The utility model also provides a rotary telescopic table which uses the rotary telescopic mechanism of the dining table.

Description

Dining table rotary telescopic mechanism and rotary telescopic table

Technical Field

The utility model belongs to the technical field of furniture technique and specifically relates to indicate a rotatory telescopic machanism of dining table and rotatory telescopic table.

Background

The table is one of the essential furniture in people's daily life, and its kind is various, and the mode of use is various. However, the situation often occurs when people use the desk, the size of the desk is enough when the desk is used at home, but the desk is too small when guests come; if a large table is selected, the table is inconvenient to use, and the space is wasted when the table is not used, so that a plurality of tables with expandable table tops can be used in various occasions.

However, in the existing table with expandable table tops, two groups of guide rails which can be installed at two sides of a table frame in a linkage manner are generally used for driving main table tops at the left side and the right side to be folded towards the middle or to be opened towards two sides, when the table tops need to be expanded, after the main table tops at the two sides are opened, the auxiliary table top in the middle is manually lifted, and then the two main table tops are pushed to be folded with the auxiliary table top in the middle.

Disclosure of Invention

An object of the utility model is to provide a not enough dining table rotary telescopic mechanism and have rotary telescopic table of this mechanism that simple structure, low in production cost and easy and simple to handle to prior art.

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

the utility model provides a dining table rotary telescopic mechanism, which comprises a supporting base, a fixed shaft sleeve arranged on the supporting base, a rotary shaft core rotatably arranged in the fixed shaft sleeve, an outer shaft sleeve movably sleeved on the periphery of the fixed shaft sleeve, a supporting frame arranged outside the outer shaft sleeve and two sliding supporting rods respectively arranged at two ends of the supporting frame in a sliding manner, wherein the two sliding supporting rods are respectively connected with the supporting base through a telescopic component, and the rotary shaft core is connected with the supporting frame through a connecting component; and a lifting driving mechanism for driving the rotating shaft core to lift is arranged between the rotating shaft core and the fixed shaft sleeve.

The connecting assembly comprises a guide block arranged on the support frame and a guide rod arranged on the rotating shaft core, wherein the guide block is provided with a guide groove, and the guide groove is arranged along the axis of the fixed shaft sleeve; one end of the guide rod is connected with the rotating shaft core, and the other end of the guide rod extends towards the guide block and is arranged in the guide groove in a sliding mode.

Wherein, lift actuating mechanism sets up the guide pulley in the cam groove including setting up in the connecting rod of fixed axle sleeve inner wall, setting up in the cam groove on the rotatory axle core and sliding, the one end and the fixed axle sleeve of connecting rod are connected, and the other end and the guide pulley of connecting rod are connected.

Further, the cam groove includes the last horizontal segment that communicates in proper order, oblique slip section and lower horizontal segment, it is located to go up the horizontal segment the top of lower horizontal segment.

Wherein, flexible subassembly is including setting up connecting block and the rotor arm on fixed axle sleeve, the one end and the support base fixed connection of connecting block, the other end of connecting block and the one end of rotor arm rotate to be connected, and the one end that the connecting block was kept away from to the rotor arm rotates with the slip bracing piece to be connected.

Wherein, the dining table rotary telescopic mechanism still includes the dish mechanism of stopping, the dish that the dish was stopped the mechanism and is established the dish on the outer circumference of outer axle sleeve including the cover and stops the piece, set up on the support frame and stop the lock and stop the pull rod that the lock is connected with the dish that the piece matched with dish stops.

Furthermore, one side of the support frame is provided with a limiting block, the limiting block is provided with a movable groove, and a clamping position for clamping the control rod is arranged in the movable groove.

Furthermore, the support frame comprises a fixed plate arranged on the outer shaft sleeve, two support cross rods respectively arranged at two sides of the fixed plate and two slide rail rods respectively arranged on the two support cross rods, the two support cross rods are arranged in parallel, and the two slide rail rods are both perpendicular to the support cross rods and are respectively arranged at two sides of the support cross rods; the two sliding support rods are respectively positioned at two ends of the support cross rod and are in sliding connection with the support cross rod; the guide block is arranged on the supporting cross rod.

The utility model also provides a rotatory telescopic table, it is including preceding dining table rotatory telescopic machanism, base platform, center table platform and two side table platforms, center table platform sets up on the support frame, two side table platforms set up respectively on two slip bracing pieces, dining table rotatory telescopic machanism's support base is fixed to be set up at the base bench.

The utility model has the advantages that:

the utility model provides a dining table rotary telescopic mechanism, which drives a rotary shaft core in a fixed shaft sleeve to rotate through a rotary central table, and the rotary shaft core drives a support frame to rotate through a connecting component; when the support frame rotates anticlockwise, the telescopic assemblies are unfolded along with the rotation of the support frame, and then the sliding support rods on the two sides of the support frame are pushed out towards the two sides respectively to be stretched, so that the two side tables are unfolded towards the two sides of the central table respectively; when the two side tables are unfolded, the lifting driving mechanism drives the rotating shaft core to descend, and the descending rotating shaft core drives the central table to descend to be flush with the side tables on the two sides, so that the unfolded state of the table is realized. When the table needs to be stored, the lifting driving mechanism drives the rotating shaft core to ascend so as to lift the central table platform; at the moment, the center table is rotated clockwise, the support frame is driven to rotate clockwise, the telescopic assembly contracts along with the rotation of the support frame, and then the sliding support rods on the two sides of the support frame respectively contract towards the center of the rotating shaft core to move, so that the two side tables are respectively accommodated in the center of the center table and are accommodated at the bottom of the center table. The utility model has the advantages of simple and compact structural design, the structure production technology is simplified, and the cost is lower, and easy operation is convenient. The utility model also provides a rotary telescopic table which uses the dining table rotary telescopic mechanism.

Drawings

Fig. 1 is a schematic structural view of the dining table rotary telescopic mechanism of the present invention in a storage state;

fig. 2 is a schematic structural view of the dining table rotary telescopic mechanism of the present invention in an unfolded state;

fig. 3 is a schematic view of an assembly structure of the support base, the fixed shaft sleeve, the rotating shaft core, the outer shaft sleeve and the support frame of the present invention;

fig. 4 is an exploded view of the support base, the fixed shaft sleeve, the rotating shaft core, the outer shaft sleeve and the support frame of the present invention;

fig. 5 is an expanded plan view of the rotary shaft core of the present invention;

FIG. 6 is a schematic view of the retractable rotary table according to the present invention in a storage state;

fig. 7 is a schematic view of the state structure of the rotary retractable table of the present invention when it is unfolded.

Description of the reference numerals

1. A support base; 11. fixing the shaft sleeve; 12. rotating the shaft core; 13. an outer sleeve; 14. a support frame; 141. a fixing plate; 142. a support rail; 143. a slide rail rod; 15. a sliding support bar; 2. A connecting assembly; 21. a guide block; 22. a guide rod; 211. a guide groove; 3. a telescopic assembly; 31. connecting blocks; 32. a rotating arm; 41. a connecting rod; 42. a cam slot; 43. a guide pulley; 421. an upper horizontal section; 422. a diagonal slide section; 423. a lower horizontal section; 51. a disc brake sheet; 52. A disc brake lock; 53. a pull rod; 54. a limiting block; 55. a movable groove; 551. clamping; 6. a base table; 7. a central table; 8. a side table.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1 to 7, the utility model provides a dining table rotary telescopic mechanism, which comprises a supporting base 1, a fixed shaft sleeve 11 arranged on the supporting base 1, a rotary shaft core 12 rotatably arranged in the fixed shaft sleeve 11, an outer shaft sleeve 13 movably sleeved on the periphery of the fixed shaft sleeve 11, a supporting frame 14 arranged outside the outer shaft sleeve 13, and two sliding support rods 15 respectively slidably arranged at two ends of the supporting frame 14, wherein the two sliding support rods 15 are respectively connected with the supporting base 1 through telescopic components 3, and the rotary shaft core 12 is connected with the supporting frame 14 through a connecting component 2; a lifting driving mechanism for driving the rotating shaft core 12 to lift is arranged between the rotating shaft core 12 and the fixed shaft sleeve 11.

In practical applications, the top surface of the rotating shaft core 12 is higher than the top surface of the fixed shaft sleeve 11, the top of the rotating shaft core 12 is connected with the central table 7, and the side table 8 is connected with the sliding support rod 15. When the central table 7 is rotated, the rotating shaft core 12 in the fixed shaft sleeve 11 is driven to rotate, and the rotating shaft core 12 drives the support frame 14 to rotate through the connecting component 2; when the supporting frame 14 rotates counterclockwise, the telescopic assembly 3 expands along with the rotation of the supporting frame 14, and then the sliding support rods 15 on the two sides of the supporting frame 14 are respectively pushed out towards the two sides and extend, so that the two side tables 8 respectively expand towards the two sides of the central table 7; when the two side tables 8 are unfolded, the lifting driving mechanism drives the rotating shaft core 12 to descend, and the descending rotating shaft core 12 drives the center table 7 to descend to be flush with the side tables 8 at two sides, so that the unfolded state of the table shown in fig. 7 is realized. When the table needs to be stored, the lifting driving mechanism drives the rotating shaft core 12 to ascend, so that the central table 7 is lifted; at this time, the center table 7 is rotated clockwise, the support frame 14 is driven to rotate clockwise, the telescopic assembly 3 contracts along with the rotation of the support frame 14, and then the sliding support rods 15 on the two sides of the support frame 14 respectively contract towards the center of the rotating shaft core 12 to move, so that the two side tables 8 are respectively accommodated towards the center of the center table 7 and are accommodated below the center table 7. The utility model has the advantages of simple and compact structural design, the structure production technology is simplified, and the cost is lower, and easy operation is convenient.

In this technical solution, the connecting assembly 2 includes a guide block 21 disposed on the supporting frame 14 and a guide rod 22 disposed on the rotating shaft core 12, the guide block 21 is provided with a guide groove 211, and the guide groove 211 is disposed along an axis of the fixed shaft sleeve 11; one end of the guide rod 22 is connected to the rotary shaft core 12, and the other end of the guide rod 22 extends toward the guide block 21 and is slidably disposed in the guide groove 211. Specifically, the axis of the guide rod 22 is perpendicular to the axis of the guide groove 211, and one end of the guide rod 22 away from the rotating shaft core 12 is inserted into the guide groove 211.

In practical application, the cooperation of the guide block 21 and the guide rod 22 plays two roles: firstly, when the rotary shaft core 12 rotates, the guide rod 22 of the rotary shaft core 12 pushes the guide block 21 to rotate, and the rotation of the guide block 21 drives the support frame 14 with the outer shaft sleeve 13 to rotate. Secondly, when the rotary shaft core 12 is raised or lowered, the guide rod 22 slides in the guide groove 211, and further, the lifting movement of the rotary shaft core 12 is restricted and guided, thereby ensuring that the rotary shaft core 12 can stably lift and move while rotating. The structure has the advantages of simple and ingenious design, simple production and processing technology and low cost.

In this technical scheme, lift actuating mechanism is including setting up in the connecting rod 41 of fixed axle sleeve 11 inner wall, setting up in cam groove 42 on rotatory axle core 12 and the guide pulley 43 that sets up in cam groove 42 that slides, the one end and the fixed axle sleeve 11 of connecting rod 41 are connected, and the other end and the guide pulley 43 of connecting rod 41 are connected.

In practical applications, the cam groove 42 is provided such that when the rotary shaft core 12 rotates, the rotary shaft core 12 will move up and down along the track of the cam groove 42 again when rotating due to the fixed connection rod 41 under the cooperation of the connection rod 41, the guide pulley 43 and the cam groove 42. The guide pulley 43 can reduce the resistance of the rotation shaft core 12 during rotation and can make the lifting of the rotation shaft core 12 smoother.

In this embodiment, the cam groove 42 includes an upper horizontal segment 421, an inclined sliding segment 422, and a lower horizontal segment 423 that are sequentially connected, and the upper horizontal segment 421 is located above the lower horizontal segment 423.

In practical application, when the table is unfolded, the rotating shaft core 12 rotates counterclockwise, at this time, the guide pulley 43 moves in the lower horizontal section 423, at this time, the rotating shaft core 12 only rotates and does not start to descend, and the rotation of the rotating shaft core 12 drives the supporting frame 14 to rotate, and the rotation of the supporting frame 14 drives the sliding support rods 15 at two sides to be respectively pushed out towards two sides to stretch out under the cooperation of the telescopic assembly 3; when the rotating shaft core 12 continues to rotate to the guide pulley 43 to come to the oblique sliding section 422, under the action of the oblique sliding section 422, the rotating shaft core 12 descends, so that the central table 7 is driven to descend to be flush with the side tables 8 at two sides, and the table is unfolded; finally, the guide pulley 43 slides to the upper horizontal section 421, so that the rotary shaft core 12 is limited to a predetermined position. Conversely, when the rotary shaft core 12 rotates clockwise, the table can be stored.

In this technical scheme, flexible subassembly 3 is including setting up connecting block 31 and rotor arm 32 on fixed axle sleeve 11, the one end of connecting block 31 with support base 1 fixed connection, the other end of connecting block 31 rotates with the one end of rotor arm 32 and is connected, the one end that connecting block 31 was kept away from to rotor arm 32 rotates with slide support bar 15 and is connected. Specifically, the number of the connecting blocks 31 and the number of the rotating arms 32 are two, and the two connecting blocks 31 are fixedly connected to the fixed shaft sleeve 11

In practical applications, as shown in fig. 2, when the supporting frame 14 rotates counterclockwise, the sliding supporting rod 15 also rotates counterclockwise, and the rotating arm 32 is also driven to rotate while the sliding supporting rod 15 rotates; since the connecting block 31 is fixed, when the rotating arm 32 rotates counterclockwise, the rotating arm 32 extends outward, thereby pushing out the slide support rod 15. Conversely, when the supporting frame 14 rotates clockwise, the rotating arm 32 is retracted inward, so that the sliding supporting rod 15 is retracted. The structure has simple and compact design, labor-saving operation and stable structural operation.

In this technical scheme, dining table rotation telescopic machanism still includes the dish mechanism of stopping, the dish is stopped the mechanism and is stopped the lock 52 and is stopped the pull rod 53 that the lock 52 is connected with the dish including the dish that the cover was established on outer circumference of axle sleeve 13, is set up on support frame 14 and is stopped the dish of piece 51 matched with the dish. In practical application, when the table is in the unfolded state, the pull rod 53 can be pushed, the disc brake sheet 51 is locked by the disc brake lock 52, and the table is locked in the unfolded state.

In the present technical solution, a limit block 54 is disposed on one side of the support frame 14, the limit block 54 is provided with a movable groove 55, and a clamping position 551 for clamping the control rod is disposed in the movable groove 55. The position of the detent 551 is used to fix and lock the pull rod 53, so as to prevent the pull rod 53 from loosening, which results in the disc brake lock 52 failing to lock the disc brake sheet 51.

In this technical solution, the supporting frame 14 includes a fixing plate 141 disposed on the outer shaft sleeve 13, two supporting cross bars 142 respectively disposed on two sides of the fixing plate 141, and two sliding rail rods 143 respectively disposed on the two supporting cross bars 142, the two supporting cross bars 142 are disposed in parallel, and both the two sliding rail rods 143 are perpendicular to the supporting cross bars 142 and are respectively disposed on two sides of the supporting cross bars 142; the two sliding support rods 15 are respectively positioned at two ends of the support cross rod 142 and are connected with the support cross rod 142 in a sliding manner; the guide block 21 is disposed on the support rail 142. The structure has simple and compact design, simple manufacturing process and low manufacturing cost.

The utility model also provides a rotatory telescopic table, it is including preceding dining table rotatory telescopic machanism, base platform 6, central table platform 7 and two side table platforms 8, central table platform 7 sets up on support frame 14, two side table platform 8 sets up respectively on two slip bracing pieces 15, dining table rotatory telescopic machanism's support base 1 is fixed to be set up on base platform 6.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention is disclosed in the above description in terms of preferred embodiments, it is not intended to limit the present invention, and any person skilled in the art will be able to make any changes or modifications to equivalent embodiments without departing from the scope of the present invention, and all the technical solutions of the present invention are within the scope of the present invention.

Claims (9)

1. The utility model provides a dining table rotary telescopic machanism which characterized in that: the support device comprises a support base, a fixed shaft sleeve arranged on the support base, a rotating shaft core rotatably arranged in the fixed shaft sleeve, an outer shaft sleeve movably sleeved on the periphery of the fixed shaft sleeve, a support frame arranged outside the outer shaft sleeve and two sliding support rods respectively arranged at two ends of the support frame in a sliding manner, wherein the two sliding support rods are respectively connected with the support base through telescopic assemblies, and the rotating shaft core is connected with the support frame through a connecting assembly; and a lifting driving mechanism for driving the rotating shaft core to lift is arranged between the rotating shaft core and the fixed shaft sleeve.

2. The dining table rotary telescoping mechanism of claim 1, wherein: the connecting assembly comprises a guide block arranged on the support frame and a guide rod arranged on the rotating shaft core, the guide block is provided with a guide groove, and the guide groove is arranged along the axis of the fixed shaft sleeve; one end of the guide rod is connected with the rotating shaft core, and the other end of the guide rod extends towards the guide block and is arranged in the guide groove in a sliding mode.

3. The dining table rotary telescoping mechanism of claim 1, wherein: the lifting driving mechanism comprises a connecting rod arranged on the inner wall of the fixed shaft sleeve, a cam groove arranged on the rotating shaft core and a guide pulley arranged in the cam groove in a sliding manner, one end of the connecting rod is connected with the fixed shaft sleeve, and the other end of the connecting rod is connected with the guide pulley.

4. The dining table rotary telescoping mechanism of claim 3, wherein: the cam groove is including the last horizontal segment, oblique slip segment and the lower horizontal segment that communicate in proper order, it is located to go up the horizontal segment the top of lower horizontal segment.

5. The dining table rotary telescoping mechanism of claim 1, wherein: the telescopic assembly comprises a connecting block and a rotating arm which are arranged on a fixed shaft sleeve, one end of the connecting block is fixedly connected with the support base, the other end of the connecting block is connected with one end of the rotating arm in a rotating mode, and one end, far away from the connecting block, of the rotating arm is connected with the sliding support rod in a rotating mode.

6. The dining table rotary telescoping mechanism of claim 1, wherein: the dining table rotary telescopic mechanism further comprises a disc brake mechanism, wherein the disc brake mechanism comprises a disc brake piece sleeved on the outer circumference of the outer shaft sleeve, a disc brake lock arranged on the support frame and matched with the disc brake piece, and a pull rod connected with the disc brake lock.

7. The dining table rotary telescoping mechanism of claim 6, wherein: one side of support frame is provided with the stopper, the stopper is provided with the activity groove, be provided with the screens that blocks the control lever in the activity groove.

8. The dining table rotary telescoping mechanism of claim 2, wherein: the supporting frame comprises a fixed plate arranged on the outer shaft sleeve, two supporting cross rods respectively arranged on two sides of the fixed plate and two sliding rail rods respectively arranged on the two supporting cross rods, the two supporting cross rods are arranged in parallel, and the two sliding rail rods are perpendicular to the supporting cross rods and are respectively arranged on two sides of the supporting cross rods; the two sliding support rods are respectively positioned at two ends of the support cross rod and are in sliding connection with the support cross rod; the guide block is arranged on the supporting cross rod.

9. A rotary telescopic table is characterized in that: the dining table rotary telescopic mechanism comprises the dining table rotary telescopic mechanism, a base table, a center table and two side tables, wherein the center table is arranged on a support frame, the two side tables are respectively arranged on two sliding support rods, and a support base of the dining table rotary telescopic mechanism is fixedly arranged on the base table.

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