CN108720260A - Alterable round table - Google Patents
Alterable round table Download PDFInfo
- Publication number
- CN108720260A CN108720260A CN201710266261.1A CN201710266261A CN108720260A CN 108720260 A CN108720260 A CN 108720260A CN 201710266261 A CN201710266261 A CN 201710266261A CN 108720260 A CN108720260 A CN 108720260A
- Authority
- CN
- China
- Prior art keywords
- coupling
- thread segment
- fanning strip
- round table
- gear
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B1/00—Extensible tables
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B1/00—Extensible tables
- A47B1/10—Slide mechanisms
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B13/00—Details of tables or desks
- A47B13/08—Table tops; Rims therefor
- A47B13/081—Movable, extending, sliding table tops
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B1/00—Extensible tables
- A47B1/10—Slide mechanisms
- A47B2001/105—Slide mechanisms with rack and pinion gearing
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B2200/00—General construction of tables or desks
- A47B2200/0001—Tops
Landscapes
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses a kind of alterable round tables, only need a motor that automatic variation size can be realized, it includes mainly several fanning strips, several spacing boards and one piece of central plate, fanning strip, spacing board is arranged around central plate, fanning strip, spacing board is spaced apart, radius of circle corresponding to fanning strip is identical, the sum of central angle corresponding to fanning strip is 360 °, transmission mechanism includes motor, first Coupling, second Coupling, third Coupling and screw rod, motor is connect with screw drive, screw rod includes the first thread segment, second thread segment and third thread segment, first Coupling and the first thread segment screw-thread fit, second Coupling and the second thread segment screw-thread fit, third Coupling and third thread segment screw-thread fit.Fanning strip mobile mechanism is equipped with the first intermittent structure for making fanning strip intermittent movement, and spacing board mobile mechanism is equipped with the second intermittent structure for making spacing board intermittent movement.
Description
Technical field
The present invention relates to a kind of alterable round tables.
Background technology
Existing round table can not generally change size, thus general family or restaurant must all be equipped with it is multiple sizes of
Round table, this results in occupied space and causes to waste.
In addition, have it is a kind of can install several fan-shaped desktops additional in desk periphery and achieve the purpose that desk is made to increase, but it is necessary
Manual operation, it is comparatively laborious.
Invention content
Technical problem to be solved by the present invention lies in provide a kind of round table that size is variable, it is only necessary to which a motor can be real
Now change size automatically.
To solve above-mentioned existing technical problem, the present invention uses following scheme：
Alterable round table, including pedestal, accommodating disc, transmission mechanism and desktop, if the desktop include several fanning strips,
Dry spacing board and one piece of central plate, the fanning strip, spacing board are arranged around central plate, between the fanning strip, spacing board
Every distribution, the radius of circle corresponding to the fanning strip is identical, and the sum of central angle corresponding to the fanning strip is 360 °, the biography
Motivation structure includes motor, the first Coupling, the second Coupling, third Coupling and screw rod, and the motor connects with screw drive
It connects, the screw rod includes the first thread segment, the second thread segment and third thread segment, first Coupling and the first thread segment
Screw-thread fit, second Coupling and the second thread segment screw-thread fit, the third Coupling and third thread segment screw thread are matched
It closes, first Coupling and the second Coupling, second Coupling and third Coupling are sliding on the axial direction of screw rod
Dynamic cooperation, the central plate are installed on the first Coupling, and second Coupling is connected with for making the fanning strip described in
The fanning strip mobile mechanism that the radial direction of round table is gathered or scatters, second Coupling are the power of the fanning strip mobile mechanism
End, the spacing board that the third Coupling is connected with for making the spacing board gather or scatter along the radial direction of the round table move
Mechanism, the third Coupling are the power end of the spacing board mobile mechanism, and the fanning strip mobile mechanism is equipped with for making
First intermittent structure of fanning strip intermittent movement, the spacing board mobile mechanism are equipped with second for making spacing board intermittent movement
Intermittent structure.
Preferably, the fanning strip mobile mechanism includes several first slide bars being set on the second Coupling, described the
One slide bar is radially extended along the round table, and first sliding bar is combined with first and slides part, and the fanning strip is set to institute
It states first and slides part.
Preferably, described first slides part as long tooth strip structure, the fanning strip mobile mechanism further includes the first tooth
Wheel and first connecting rod, the first gear be set to first slide bar or second Coupling, the first gear with it is described
First slides part engagement, and described first connecting rod one end is connected on the eccentric shaft of first gear, the other end connects with the accommodating disc
It connects, first intermittent structure includes first anodontia section or the first concave section being set in the first gear.
Preferably, the spacing board mobile mechanism includes several second slide bars being set on third Coupling, described the
Two slide bars are radially extended along the round table, and second sliding bar is combined with second and slides part, and the spacing board is set to institute
It states second and slides part.
Preferably, described second slides part as long tooth strip structure, the spacing board mobile mechanism further includes the second tooth
Wheel and second connecting rod, the second gear be set to second slide bar or the third Coupling, the second gear with it is described
Second slides part engagement, and described second connecting rod one end is connected on the eccentric shaft of second gear, the other end connects with the accommodating disc
It connects, second intermittent structure includes second anodontia section or the second concave section being set in second gear.
Preferably, the motor is sequentially connected with screw rod by retarder.
Preferably, first thread segment, the second thread segment, the hand of spiral of third thread segment are identical, described first
The screw pitch of thread segment is less than the screw pitch of third thread segment, and the screw pitch of the third thread segment is less than the screw pitch of the second thread segment.
Preferably, the hand of spiral phase of the hand of spiral of first thread segment, third thread segment and the second thread segment
Instead, the screw pitch of first thread segment is less than the screw pitch of third thread segment.
Preferably, the hand of spiral phase of the hand of spiral of first thread segment and the second thread segment, third thread segment
Instead, the screw pitch of the third thread segment is less than the screw pitch of the second thread segment.
Preferably, the first gear is sector gear.
Preferably, the second gear is sector gear.
Preferably, first slide bar is equipped with control piece, the control piece is electrically connected with the motor.
Preferably, the control piece is travel switch or varistor.
Preferably, first Coupling or the second Coupling or third Coupling are equipped with control piece, the control piece
It is electrically connected with the motor.
Preferably, between first Coupling and the second Coupling or between the second Coupling and third Coupling
Or bolster is equipped between third Coupling and pedestal or accommodating disc.
Preferably, the periphery of the pedestal, accommodating disc is equipped with quieter material layer.
Preferably, the motor periphery is equipped with cushioning material.
Preferably, the motor periphery is equipped with heat radiation material layer.
Preferably, the quantity of the fanning strip is 5.
Preferably, the radius of circle corresponding to the fanning strip is 0.5-2m.
Preferably, the radius of circle corresponding to the fanning strip is 1m.
Preferably, the thickness of the desktop is 1.5-3cm.
Preferably, the thickness of the desktop is 2cm.
Advantageous effect：
After the present invention uses above-mentioned technical proposal, motor is provided and drives screw rod to rotate and then drives the first Coupling, the
Two Couplings, third Coupling are moved with friction speed or direction and then fanning strip, spacing board, central plate are made to misplace up and down,
Fanning strip mobile mechanism, spacing board mobile mechanism link therewith during this, drive fanning strip, spacing board along the round table respectively
Radial direction gather or scatter and then achieve the purpose that round table is made to become larger or become smaller, entire mechanism only needs a motor can be realized.
Description of the drawings
Fig. 1 is the structural schematic diagram before desktop of the present invention variation.
Fig. 2 is the structural schematic diagram after desktop of the present invention variation.
Fig. 3 is the schematic diagram of round table of the present invention.
Fig. 4 is the internal structure schematic diagram of the present invention (desktop is not shown in figure).
Fig. 5 is the enlarged drawing at A in Fig. 4.
Fig. 6 is the structural schematic diagram of first gear.
Specific implementation mode
As shown in Figures 1 to 6, the present invention can change round table, include mainly pedestal 1, accommodating disc 2, transmission mechanism and table
Plate 3, desktop 3 include several fanning strips 31, several spacing boards 32 and one piece of central plate 33, fanning strip 31, spacing board 32, center
The thickness of plate 33 is 2cm, fanning strip, spacing board 32 quantity be 5, the radius of circle corresponding to fanning strip is 1m, fan-shaped
Plate 31, spacing board 32 are arranged around central plate 33, and fanning strip 31, spacing board 32 are spaced apart, corresponding to 5 fanning strips 31
Radius of circle, central angle all same, the sum of central angle corresponding to 5 fanning strips 31 are 360 °.
In the present embodiment, transmission mechanism include motor 4, the first Coupling 5, the second Coupling 6, third Coupling 7 and
Screw rod 8, motor 4 are sequentially connected with screw rod 8 by retarder 10, screw rod 8 include the first thread segment 81, the second thread segment 82 and
Third thread segment 83,81 screw-thread fit of the first Coupling 5 and the first thread segment, 82 screw thread of the second Coupling 6 and the second thread segment
Cooperation, third Coupling 7 and 83 screw-thread fit of third thread segment, the first Coupling 5 and the second Coupling 6, the second Coupling 6 and
Third Coupling 7 is slidably matched on the axial direction of screw rod 8, and central plate 33 is installed on the first Coupling 5, the second Coupling 6
It is connected with the fanning strip mobile mechanism for making fanning strip 31 gather or scatter along the radial direction of round table, the second Coupling 6 is sector
The power end of plate mobile mechanism, third Coupling 7 are connected with for making spacing board 32 between the radial direction of round table is gathered or scatters
Partition board mobile mechanism, third Coupling 7 are the power end of spacing board mobile mechanism.
In the present embodiment, fanning strip mobile mechanism includes several first slide bars 61 being set on the second Coupling 6, and first slides
Bar 61 is radially extended along round table, and the first slide bar 61 is sliding combined with first and slides part 62, and fanning strip 31 slides part set on first
62。
Wherein, first part 62 is slided as long tooth strip structure, fanning strip mobile mechanism further includes first gear 63 and first
Connecting rod 64, first gear 63 are set to the first slide bar 61 or the second Coupling 6, and first gear 63 slides part 62 with first and engages, the
One connecting rod, 64 one end is connected on the eccentric shaft of first gear 63, the other end and accommodating disc 2 connect.
In the present embodiment, spacing board mobile mechanism includes several second slide bars 71 being set on third Coupling 7, and second slides
Bar 71 is radially extended along round table, and the second slide bar 71 is sliding combined with second and slides part 72, and spacing board 32 slides part set on second
72。
Wherein, second part 72 is slided as long tooth strip structure, spacing board mobile mechanism further includes second gear 73 and second
Connecting rod 74, second gear 73 are set to the second slide bar 71 or third Coupling 7, and second gear 73 slides part 72 with second and engages, the
Two connecting rods, 74 one end is connected on the eccentric shaft of second gear 73, the other end and accommodating disc 2 connect.
Following scheme may be used in structure design about the first thread segment 81, the second thread segment 82, third thread segment 83：
First thread segment 81, the second thread segment 82, the hand of spiral of third thread segment 83 are identical, and the screw pitch of the first thread segment 81 is less than the
The screw pitch of three thread segments 83, the screw pitch of third thread segment 83 are less than the screw pitch of the second thread segment 82；Alternatively, the first thread segment 81,
The hand of spiral of the hand of spiral of third thread segment 83 and the second thread segment 82 is on the contrary, the screw pitch of the first thread segment 81 is less than third
The screw pitch of thread segment 83；Alternatively, the screw thread side of the hand of spiral of the first thread segment 81 and the second thread segment 82, third thread segment 83
To on the contrary, the screw pitch of third thread segment 83 is less than the screw pitch of the second thread segment 82.
It is rotation connection between first connecting rod 64 and accommodating disc 2 in the present embodiment, first connecting rod 64 and first gear 63
Eccentric shaft turns connect.To be fixedly connected or being rotatablely connected between second connecting rod 74 and accommodating disc 2, second connecting rod 74 and the second tooth
It is relatively turnable sliding connection structure between the eccentric shaft of wheel 73.The type of attachment of certain first connecting rod 64 and accommodating disc 2,
It can also be used such as the identical structure of second connecting rod 74 with the type of attachment of the eccentric shaft of first gear 63；Second connecting rod 74 can also be adopted
With structure identical with first connecting rod 64.
In the present invention, to save material and space, first gear 63 is sector gear；Indent is equipped in first gear 63
First anodontia section 631.
Second gear 73 uses same design with first gear 63, is also sector gear, is also set in second gear 73
There is second anodontia section, effect is 631 identical as first anodontia section.
In the present embodiment, the first slide bar 61 is equipped with control piece, and control piece is electrically connected with motor 4.It is preferred that control piece is stroke
Switch or varistor.4 power on/off of motor is controlled by travel switch or varistor, and then controls motor 4 and works.Certainly,
Also it can be equipped with control piece in the first Coupling 5 or the second Coupling 6 or third Coupling 7, control piece is electrically connected with motor 4.
In the present embodiment, for into row buffering, between the first Coupling 5 and the second Coupling 6, the second Coupling 6 with
Between third Coupling 7, such as cushion pad bolster 9 is equipped between third Coupling 7 and pedestal 1 or accommodating disc 2.To reduce
Noise is equipped with quieter material layer in the periphery of pedestal, accommodating disc.It is vibrated to reduce, cushioning material is equipped in motor periphery.For
Ensure heat dissipation, heat radiation material layer is equipped in motor periphery.
In the present invention, consider to be beautiful, a little occlusion parts can be set to avoid accommodating disc at the edge of fanning strip, spacing board
Interior a mechanical part exposes.
The present invention the course of work be：Under normal condition, as shown in Figure 1, round table is in major diameter state, at this point, the first nothing
Tooth section 631 is in slides the corresponding position of part 62 with first, and first gear 63 slides between part 62 with first without engaging, and second
Anodontia section in sliding the corresponding position of part with second, second gear slides between part with second without engaging.When needing to change
To Fig. 2 path state when, start motor, motor drive screw rod 8 rotate, screw rod 8 so drive 5, second sets of the first Coupling
Fitting 6, third Coupling 7 are opposite to be slided, and at the same time, the second Coupling 6 drives fanning strip mobile mechanism dynamic as power end
Make, third Coupling 7 drives the action of spacing board mobile mechanism, first gear 63, second gear 73 to rotate as power end, rotation
To sliding part 62 with first respectively, second sliding part 72 and engage after certain angle, first is driven to slide part 62, second slide part 72
Radial contraction, and then drive fanning strip 31, spacing board 32 are radial to gather, in place after, control piece controls motor power-off, and motor is automatic
It is stopped.
Claims (10)
1. alterable round table, including pedestal (1), accommodating disc (2), transmission mechanism and desktop (3), it is characterised in that：The table
Plate (3) includes several fanning strips (31), several spacing boards (32) and one piece of central plate (33), the fanning strip (31), interval
Plate (32) is arranged around central plate (33), and the fanning strip (31), spacing board (32) are spaced apart, fanning strip (31) institute
Corresponding radius of circle is identical, and the sum of central angle corresponding to the fanning strip (31) is 360 °, and the transmission mechanism includes motor
(4), the first Coupling (5), the second Coupling (6), third Coupling (7) and screw rod (8), the motor (4) and screw rod (8)
It is sequentially connected, the screw rod (8) includes the first thread segment (81), the second thread segment (82) and third thread segment (83), described
First Coupling (5) is matched with the first thread segment (81) screw-thread fit, second Coupling (6) and the second thread segment (82) screw thread
Conjunction, the third Coupling (7) and third thread segment (83) screw-thread fit, first Coupling (5) and the second Coupling
(6), second Coupling (6) is slidably matched with third Coupling (7) on the axial direction of screw rod (8), the central plate
(33) it is installed on the first Coupling (5), second Coupling (6) is connected with for making the fanning strip (31) along the round table
The radial direction fanning strip mobile mechanism that gathers or scatter, second Coupling (6) is the power of the fanning strip mobile mechanism
End, the third Coupling (7) are connected with for making the spacing board (32) between the radial direction of the round table is gathered or scatters
Partition board mobile mechanism, the third Coupling (7) are the power end of the spacing board mobile mechanism, the fanning strip mobile mechanism
Equipped with the first intermittent structure for making fanning strip intermittent movement, the spacing board mobile mechanism is equipped with for making spacing board interval
The second mobile intermittent structure.
2. alterable round table according to claim 1, it is characterised in that：The fanning strip mobile mechanism includes being set to second
Several first slide bars (61) on Coupling (6), the first slide bar (61) radially extending along the round table, described first slides
Bar (61) is sliding combined with first and slides part (62), and the fanning strip (31) slides part (62) set on described first.
3. alterable round table according to claim 2, it is characterised in that：Described first slides part (62) as long spline-simulating knot
Structure, the fanning strip mobile mechanism further include first gear (63) and first connecting rod (64), and the first gear (63) is set to institute
The first slide bar (61) or second Coupling (6) are stated, the first gear (63) is slided part (62) with described first and engaged, institute
State that first connecting rod (64) one end is connected on the eccentric shaft of first gear (63), the other end is connect with the accommodating disc (2), it is described
First intermittent structure includes first anodontia section (631) or the first concave section being set in the first gear (63).
4. alterable round table according to claim 1, it is characterised in that：The spacing board mobile mechanism includes being set to third
Several second slide bars (71) on Coupling (7), the second slide bar (71) radially extending along the round table, described second slides
Bar (71) is sliding combined with second and slides part (72), and the spacing board (32) slides part (72) set on described second.
5. alterable round table according to claim 4, it is characterised in that：Described second slides part (72) as long spline-simulating knot
Structure, the spacing board mobile mechanism further include second gear (73) and second connecting rod (74), and the second gear (73) is set to institute
The second slide bar (71) or the third Coupling (7) are stated, the second gear (73) is slided part (72) with described second and engaged, institute
State that second connecting rod (74) one end is connected on the eccentric shaft of second gear (73), the other end is connect with the accommodating disc (2), it is described
Second intermittent structure includes second anodontia section or the second concave section being set in second gear (73).
6. alterable round table according to claim 1, it is characterised in that：The motor (4) passes through retarder with screw rod (8)
(10) it is sequentially connected.
7. alterable round table according to claim 1, it is characterised in that：First thread segment (81), the second thread segment
(82), the hand of spiral of third thread segment (83) is identical, and the screw pitch of first thread segment (81) is less than third thread segment (83)
Screw pitch, the screw pitch of the third thread segment (83) is less than the screw pitch of the second thread segment (82).
8. alterable round table according to claim 1, it is characterised in that：First thread segment (81), third thread segment
(83) hand of spiral of hand of spiral and the second thread segment (82) is on the contrary, the screw pitch of first thread segment (81) is less than third
The screw pitch of thread segment (83).
9. alterable round table according to claim 1, it is characterised in that：The hand of spiral of first thread segment (81) with
Second thread segment (82), third thread segment (83) hand of spiral on the contrary, the third thread segment (83) screw pitch be less than second
The screw pitch of thread segment (82).
10. alterable round table according to claim 3, it is characterised in that：The pedestal, accommodating disc periphery be equipped with noise reduction
Material layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710266261.1A CN108720260A (en) | 2017-04-21 | 2017-04-21 | Alterable round table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710266261.1A CN108720260A (en) | 2017-04-21 | 2017-04-21 | Alterable round table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108720260A true CN108720260A (en) | 2018-11-02 |
Family
ID=63933524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710266261.1A Pending CN108720260A (en) | 2017-04-21 | 2017-04-21 | Alterable round table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108720260A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110786685A (en) * | 2019-10-31 | 2020-02-14 | 江西环境工程职业学院 | Combined marketing promotion table |
-
2017
- 2017-04-21 CN CN201710266261.1A patent/CN108720260A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110786685A (en) * | 2019-10-31 | 2020-02-14 | 江西环境工程职业学院 | Combined marketing promotion table |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20181102 |