CN108741617B - Linkage type extension table - Google Patents

Linkage type extension table Download PDF

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Publication number
CN108741617B
CN108741617B CN201810542748.2A CN201810542748A CN108741617B CN 108741617 B CN108741617 B CN 108741617B CN 201810542748 A CN201810542748 A CN 201810542748A CN 108741617 B CN108741617 B CN 108741617B
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CN
China
Prior art keywords
plate
positioning hole
supporting plate
supporting
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.)
Active
Application number
CN201810542748.2A
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Chinese (zh)
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CN108741617A (en
Inventor
罗燕美
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Dawei Furniture Group Co., Ltd
Original Assignee
Beijing Dawei Furniture Group Co Ltd
Priority date (The priority date 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 date listed.)
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Publication date
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Priority to CN201810542748.2A priority Critical patent/CN108741617B/en
Publication of CN108741617A publication Critical patent/CN108741617A/en
Application granted granted Critical
Publication of CN108741617B publication Critical patent/CN108741617B/en
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    • 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
    • A47B1/04—Extensible tables with supplementary leaves or drop leaves arranged at the periphery
    • A47B1/05—Extensible tables with supplementary leaves or drop leaves arranged at the periphery the leaves being extensible by drawing-out
    • 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
    • A47B1/00—Extensible tables
    • A47B1/04—Extensible tables with supplementary leaves or drop leaves arranged at the periphery
    • A47B1/05—Extensible tables with supplementary leaves or drop leaves arranged at the periphery the leaves being extensible by drawing-out
    • A47B2001/053—Extensible tables with supplementary leaves or drop leaves arranged at the periphery the leaves being extensible by drawing-out and liftable to the same height as the main table leaf
    • 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

Abstract

The invention discloses a linkage type extension table, which comprises an underframe and is characterized in that: a supporting column is arranged on the underframe, a supporting plate is arranged on the supporting column, the supporting plate is square, the four corners of the supporting plate are respectively provided with a second supporting plate, the center of the supporting plate and the positions corresponding to the four corners are respectively provided with a guide groove, the guide grooves extend onto the second supporting plate, a moving block is movably arranged in the guide groove, a quarter-round table plate is arranged on the top surface of the moving block, a convex block is arranged on the bottom surface of the moving block, a rack is arranged on one side of the convex block, a positioning hole is arranged on the convex block, a fixed block is arranged beside one end of the guide groove on the bottom surface of the second support plate, a second positioning hole is arranged on the fixed block at a position corresponding to the positioning hole, the positioning hole and the second positioning hole are fixed through a positioning pin, a gear is arranged beside the rack, and the gear is fixed on the bottom surface of the support plate through a bearing.

Description

Linkage type extension table
Technical Field
The invention relates to the field of desktop extension, in particular to a linkage type extension desk.
Background
The expansion of the existing table is relatively complex, generally, a plurality of table plates are pulled open firstly, and then the filling plates used as the expansion are turned out, so that the corresponding filling plates cannot be turned out at the same time when the table plates are pulled, the table plates cannot be in place in one step, and the expansion can be realized immediately after one table plate is pulled.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides the linkage type extension table which is simple in structure and convenient to use.
In order to achieve the purpose, the invention adopts the following scheme: the utility model provides a linkage type extension table, includes the chassis, its characterized in that: the bottom frame is provided with a support column, the support column is provided with a support plate, the support plate is square, the four corners of the support plate are respectively provided with a second support plate, the center of the support plate and the positions corresponding to the four corners are respectively provided with a guide groove, the guide grooves extend onto the second support plate, a moving block is movably arranged in the guide grooves, the top surface of the moving block is provided with a table plate which is a quarter circle, the bottom surface of the moving block is provided with a convex block, one side of the convex block is provided with a rack, the convex block is provided with a positioning hole, the guide groove is provided with a fixed block beside one end of the bottom surface of the second support plate, the position of the fixed block corresponding to the positioning hole is provided with a second positioning hole, the positioning hole and the second positioning hole are fixed through a positioning pin, the gear is arranged beside the rack, and the gear is fixed on the bottom surface of the support plate through a bearing, the novel table is characterized in that the gear is meshed with the rack, a first bevel gear is arranged on the gear, a third supporting plate is arranged on the position, corresponding to the straight edge, of the bottom surface of the supporting plate, belt pulleys are arranged on one side, opposite to the first bevel gear, of the third supporting plate at intervals through bearings, belts are sleeved outside the two belt pulleys, a rotating shaft is arranged on the outer side of the belt pulley below the third supporting plate, a second bevel gear is arranged at the outer end of the rotating shaft, the first bevel gear is meshed with the second bevel gear, an arc-shaped swing arm is arranged on one side of the belt pulley above the third supporting plate, a filling plate capable of filling gaps between the opened rear table plates is arranged at the outer end of the arc-shaped swing arm, a cylindrical groove is arranged in the middle of the supporting plate, a moving column is movably arranged in the cylindrical groove, a square plate capable of filling the middle gap is arranged on the moving column, and a spring is arranged between the square plate and the cylindrical groove.
In summary, compared with the prior art, the invention has the beneficial effects that: according to the invention, the table plate is pulled to move the moving block, then the gear is rotated through the rack to drive the first bevel gear to rotate, so that the second bevel gear rotates, the upper belt pulley is driven through the belt to move the arc-shaped swing arm, so that the filling plate is moved between the opened table plates, when the table plates are pulled open, the square plate is popped up through the spring to complete the expansion of the table top, then the moving block is fixed through the positioning pin, the whole expansion process can realize the expansion rapidly by pulling only one table plate, and the table plate expanding device is rapid and convenient to use, simple in structure and convenient to use.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a second perspective view of the present invention.
Fig. 3 is a third perspective view of the present invention.
Fig. 4 is a fourth exploded perspective view of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: a linkage type extension table comprises an underframe 1, wherein a support column 10 is arranged on the underframe 1, a support plate 11 is arranged on the support column 10, the support plate 11 is square, second support plates 12 are respectively arranged on four corners of the support plate 11, guide grooves 13 are respectively arranged at the center of the support plate 11 and the positions corresponding to the four corners, the guide grooves 13 extend to the second support plate 12, a moving block 14 is movably arranged in the guide grooves 13, a quarter-circle table plate 15 is arranged on the top surface of the moving block 14, a convex block 16 is arranged on the bottom surface of the moving block 14, a rack 17 is arranged on one side of the convex block 16, a positioning hole 18 is arranged on the convex block 16, a fixed block 19 is arranged beside one end of the bottom surface of the second support plate 12 of the guide groove 13, a second positioning hole 20 is arranged on the position, corresponding to the positioning hole 18, and the positioning hole 18 is fixed with the second positioning hole 20 through a positioning pin 21, a gear 22 is arranged beside the rack 17, the gear 22 is fixed on the bottom surface of the support plate 11 through a bearing, the gear 22 is meshed with the rack 17, a first bevel gear 23 is arranged on the gear 22, a third support plate 24 is arranged at the position of the bottom surface of the support plate 11 corresponding to the straight edge, belt pulleys 25 are arranged on one side of the third support plate 24 opposite to the first bevel gear 23 through a bearing at intervals, belts 26 are sleeved outside the two belt pulleys 25, a rotating shaft 27 is arranged outside the lower belt pulley 25, a second bevel gear 28 is arranged at the outer end of the rotating shaft 27, the first bevel gear 23 is meshed with the second bevel gear 28, an arc swing arm 29 is arranged on one side of the upper belt pulley 25, a filling plate 30 capable of filling the gap between the opened rear table plates 15 is arranged at the outer end of the arc swing arm 29, a cylindrical groove 31 is arranged in the middle part of the support plate 11, and a moving column 32 is movably arranged in the cylindrical groove 31, the movable column 32 is provided with a square plate 33 capable of filling a middle gap, a spring 34 is arranged between the square plate 33 and the cylindrical groove 31, when the movable column is used, the table plate 15 is pulled to move the movable block 14, then the rack 17 rotates the gear 22 to drive the first bevel gear 23 to rotate, so that the second bevel gear 28 rotates, the belt 26 is used for driving the upper belt pulley 25, so that the arc-shaped swing arm 29 moves, the filling plate 30 moves between the opened table plates 15, when the table plates 15 are pulled apart, the square plate 33 is popped out through the spring 34 to complete expansion of the table top, then the movable block 14 is fixed through the positioning pin 21, and the whole expansion process can realize expansion quickly only by pulling one table plate 15, so that the expansion is quick and convenient, simple in structure and convenient to use.
While there have been shown and described the fundamental principles and principal features of the invention and advantages thereof, it will be understood by those skilled in the art that the invention is not limited by the embodiments described above, which are given by way of illustration of the principles of the invention, but is susceptible to various changes and modifications without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (1)

1. The utility model provides a linkage type extension table, includes chassis (1), its characterized in that: the supporting frame (1) is provided with supporting columns (10), the supporting columns (10) are provided with supporting plates (11), the supporting plates (11) are square, the four corners of each supporting plate (11) are provided with second supporting plates (12), the centers of the supporting plates (11) and the positions corresponding to the four corners are respectively provided with a guide groove (13), the guide grooves (13) extend to the second supporting plates (12), a moving block (14) is movably arranged in each guide groove (13), the top surface of each moving block (14) is provided with a quarter-round table plate (15), the bottom surface of each moving block (14) is provided with a convex block (16), one side of each convex block (16) is provided with a rack (17), the convex block (16) is provided with a positioning hole (18), and one end of each guide groove (13) on the bottom surface of each second supporting plate (12) is provided with a fixing block (19), a second positioning hole (20) is arranged at a position of the fixing block (19) corresponding to the positioning hole (18), the positioning hole (18) and the second positioning hole (20) are fixed through a positioning pin (21), a gear (22) is arranged beside the rack (17), the gear (22) is fixed on the bottom surface of the supporting plate (11) through a bearing, the gear (22) is meshed with the rack (17), a first bevel gear (23) is arranged on the gear (22), a third supporting plate (24) is arranged at a position of the bottom surface of the supporting plate (11) corresponding to a straight edge, belt pulleys (25) are arranged on one side of the third supporting plate (24) opposite to the first bevel gear (23) through a bearing at intervals, a belt (26) is sleeved outside the two belt pulleys (25), a rotating shaft (27) is arranged outside the belt pulley (25) below, and a second bevel gear (28) is arranged at the outer end of the rotating shaft (27), the novel table is characterized in that the first bevel gear (23) and the second bevel gear (28) are meshed with each other, an arc swing arm (29) is arranged on one side of a belt pulley (25) above the first bevel gear, a filling plate (30) capable of filling a gap between the opened back table plates (15) is arranged at the outer end of the arc swing arm (29), a cylindrical groove (31) is formed in the middle of the supporting plate (11), a moving column (32) is movably arranged in the cylindrical groove (31), a square plate (33) capable of filling a middle gap is arranged on the moving column (32), and a spring (34) is arranged between the square plate (33) and the cylindrical groove (31).
CN201810542748.2A 2018-05-30 2018-05-30 Linkage type extension table Active CN108741617B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810542748.2A CN108741617B (en) 2018-05-30 2018-05-30 Linkage type extension table

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810542748.2A CN108741617B (en) 2018-05-30 2018-05-30 Linkage type extension table

Publications (2)

Publication Number Publication Date
CN108741617A CN108741617A (en) 2018-11-06
CN108741617B true CN108741617B (en) 2021-08-10

Family

ID=64004468

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810542748.2A Active CN108741617B (en) 2018-05-30 2018-05-30 Linkage type extension table

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CN (1) CN108741617B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109090824B (en) * 2018-11-08 2021-01-26 浙江琦天家具制造有限公司 Foldable table
CN111012604A (en) * 2020-02-03 2020-04-17 于鹏娜 Neonate's severe nursing device

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2555707Y (en) * 2002-08-01 2003-06-18 马俊杰 Desk
GB2396552A (en) * 2002-12-24 2004-06-30 David Boardman Fletcher Expanding table
CN2754448Y (en) * 2004-11-19 2006-02-01 孟睿 Desk with expandable top
CN102793382A (en) * 2011-05-24 2012-11-28 华孝慧 Left-right dual-cover safe school table
CN203041161U (en) * 2013-01-19 2013-07-10 曹俏峰 Novel telescopic dining table
CN204015638U (en) * 2014-08-19 2014-12-17 邵苏沛 Multifunctional square table
CN104382337A (en) * 2014-11-27 2015-03-04 天津祥泰家具有限公司 Folding table convenient to operate
CN106333484A (en) * 2016-10-25 2017-01-18 浙江吉森门业有限公司 Automatic extension table
CN206284578U (en) * 2016-08-12 2017-06-30 浙江永裕竹业股份有限公司 A kind of heavy bamboo desktop desk

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2555707Y (en) * 2002-08-01 2003-06-18 马俊杰 Desk
GB2396552A (en) * 2002-12-24 2004-06-30 David Boardman Fletcher Expanding table
CN2754448Y (en) * 2004-11-19 2006-02-01 孟睿 Desk with expandable top
CN102793382A (en) * 2011-05-24 2012-11-28 华孝慧 Left-right dual-cover safe school table
CN203041161U (en) * 2013-01-19 2013-07-10 曹俏峰 Novel telescopic dining table
CN204015638U (en) * 2014-08-19 2014-12-17 邵苏沛 Multifunctional square table
CN104382337A (en) * 2014-11-27 2015-03-04 天津祥泰家具有限公司 Folding table convenient to operate
CN206284578U (en) * 2016-08-12 2017-06-30 浙江永裕竹业股份有限公司 A kind of heavy bamboo desktop desk
CN106333484A (en) * 2016-10-25 2017-01-18 浙江吉森门业有限公司 Automatic extension table

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SE01 Entry into force of request for substantive examination
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TA01 Transfer of patent application right

Effective date of registration: 20210720

Address after: 101400 no.18-8, South A, qianchawu village, Qiaozi Town, Huairou District, Beijing

Applicant after: Beijing Dawei Furniture Group Co., Ltd

Address before: Unit 1003, block 4, gaojun science and technology innovation center, No.1 Chaogui South Road, xiaohuangpu community residents committee, Ronggui street, Shunde District, Foshan City, Guangdong Province 528300

Applicant before: GUANGDONG KNOWLEDGE CITY OPERATION SERVICE Co.,Ltd.

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