CN204191955U - Multifunctional foldable desk - Google Patents

Multifunctional foldable desk Download PDF

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Publication number
CN204191955U
CN204191955U CN201420624124.2U CN201420624124U CN204191955U CN 204191955 U CN204191955 U CN 204191955U CN 201420624124 U CN201420624124 U CN 201420624124U CN 204191955 U CN204191955 U CN 204191955U
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CN
China
Prior art keywords
leg
groove
desktop
frame
crank
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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.)
Expired - Fee Related
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CN201420624124.2U
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Chinese (zh)
Inventor
陈恕玮
蒋汇波
杨洪锡
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陈恕玮
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Priority to CN201420624124.2U priority Critical patent/CN204191955U/en
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Publication of CN204191955U publication Critical patent/CN204191955U/en
Expired - Fee Related legal-status Critical Current
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Abstract

The utility model relates to a kind of desk, specifically, relates to a kind of multifunctional foldable desk.Comprise four table legs and desktop, described table leg comprises lower support leg, intermediate supports leg and upper supporting leg, the top of described lower support leg and the bottom of intermediate supports leg are hinged, and described intermediate supports leg is the tube-in-tube structure of hollow, and described upper supporting leg is plugged in intermediate supports leg; The top of described table leg is fixed with the table groove for storing stationery and books; Between described table groove and supporting traverse, a groove lifting control mechanism is installed; Described desktop comprises the auxiliary desktop that the top table face in a groove open top of covering and two are separately positioned on a groove both sides, in table groove, be provided with ratchet regulating device; The below of described supporting traverse is provided with rocking bar crank mechanism and extension spring.The utility model possesses table leg folding lifting and tabletop angles regulatory function, and desk can be adapted with student self, can reach the object reducing learning fatigue, improve learning efficiency.

Description

Multifunctional foldable desk
Technical field
The utility model relates to a kind of desk, specifically, relates to a kind of multifunctional foldable desk.
Background technology
Along with the development of China Higher educational undertaking, school's hardware facilities construction is accelerated, and classroom introduced by the teaching equipment of various advanced person, improves the learning efficiency of student.But all design defect that the desk that student uses in a large number but exists are led, cause student's physical fatigue, visual impairment, etc. phenomenon increase, had a strong impact on learning efficiency and healthy.At present, most of universities and colleges of China all adopt fixed desk, and its advantage is neat appearance, convenient management.But the table of traditional fixed desk is high identical, and tabletop angles cannot regulate, the student of different height cannot be met to the requirement of comfortable yardstick and the requirement by eye custom.If the desk that student's Long-Time Service is not suitable for mutually with self, student's muscular fatigue will inevitably be caused, ache, have a strong impact on learning efficiency; Otherwise, if student use adapt with self desk, then can reduce learning fatigue, improve learning efficiency, this is the common recognition of ergonomics.
Utility model content
The purpose of this utility model is, provides a kind of multifunctional foldable desk, to solve above-mentioned technical problem.
For solving the problem, the technical scheme that the utility model adopts is:
A kind of multifunctional foldable desk, comprises four table legs and desktop, it is characterized in that:
Described table leg comprises lower support leg, intermediate supports leg and upper supporting leg, the top of described lower support leg and the bottom of intermediate supports leg are hinged, described intermediate supports leg is the tube-in-tube structure of hollow, and described upper supporting leg is plugged in intermediate supports leg, and is locked by fastening bolt; Stull is connected between the lower support leg of two, described left side and between the lower support leg of two, right side; Be connected to supporting traverse between the intermediate supports leg of two, described front side and between rear side two intermediate supports legs, described supporting traverse is the tube-in-tube structure of hollow;
The top of described table leg is fixed with the table groove for storing stationery and books; Between described table groove and supporting traverse, a groove lifting control mechanism is installed; Described desktop comprises the auxiliary desktop that the top table face in a groove open top of covering and two are separately positioned on a groove both sides, is provided with the ratchet regulating device for regulating main inclination angle of desktop in table groove; The below of described supporting traverse is provided with the rocking bar crank mechanism and extension spring that control table leg folding.
Say further:
Described auxiliary desktop is arranged on movable supporting frame by folding rack; Described movable supporting frame is provided with two plug connectors, and they are plugged in two supporting traverses respectively.
The both sides of described table groove lifting control mechanism are respectively arranged with a drawer, and described drawer is assemblied on supporting traverse.
Described table groove lifting control mechanism comprises girder device and screw rod, described girder device comprises two truss be parallel to each other, two truss are connected by front connecting axle, rear connecting axle, described screw rod runs through front connecting axle, rear connecting axle, and with the two threaded engagement, and leading portion is contrary with the hand of spiral of back segment on described screw rod; Described truss comprises upper frame, underframe, upper X-frame and lower X-frame, and described upper frame and underframe are all provided with strip hole; A top of described upper X-frame is hinged on the tail end of upper frame, and slide-bar is equipped with on another top, and described upper slide-bar is assemblied in the strip hole of upper frame; A bottom of described lower X-frame is hinged on the tail end of underframe, and lower slide-bar is equipped with in another bottom, and described lower slide-bar is assemblied in the strip hole of underframe; Two bottoms of described upper X-frame and two tops of lower X-frame are hinged respectively by front connecting axle, rear connecting axle; Described underframe is fixed on supporting traverse, and upper frame is fixed on the bottom surface of a groove.
Described ratchet regulating device comprises rachet, desk dock, connecting rod and tooth space positioning device; Described desk dock is connected with top table face by desktop connector; One end of described desk dock and one end of rachet are hinged by hinge, and described stud connection is on the sidewall of table groove; The other end of described rachet is fixed in a groove by ratchet connector; Described tooth space positioning device is flexibly connected with the ratchet on rachet; One end of described connecting rod is hinged on desk dock, and the other end and tooth space positioning device are hinged.
Described rocking bar crank mechanism is provided with two groups, often organize rocking bar crank mechanism and comprise a crank, No. two cranks, crank link, No. two crank link and a crank articulated elements, a described crank and No. two cranks are hinged by crank articulated elements, a crank is connected with stull by a crank link, and No. two cranks are connected with the underframe of truss by No. two crank link.
Described top table face is drawing desktop, comprises desktop and is arranged on the chute on desktop, mobile crossfoot, fixed coordinatometer, portable coordinatometer, removable set square, movable rotary chi and figure folder.
Beneficial effect: compared with prior art, the utility model possesses table leg folding lifting and tabletop angles regulatory function, and desk can be adapted with student self, can reach the object reducing learning fatigue, improve learning efficiency.Specifically, the utility model possesses following advantage:
1, can realize desktop 0-90 degree by ratchet regulating device to rotate, the angle of inclination of energy flexible modulation desktop, to meet the needs of different angles;
2, desktop lifting can be realized by table groove lifting control mechanism, the requirement of the comfortable yardstick of the different people of height can be met, meet base of principle of human engineering, thus the learning fatigue of student can be reduced, improve learning efficiency;
3, table leg folding can be realized by crank and rocker mechanism and extension spring, and overall structure is stable, simple and convenient, can not only save space, classroom, also be convenient to the carrying of desk;
4, the design of desk lamp can not only save space, also helps pre-myopia prevention;
5, the design of two little drawers is more convenient for picking and placeing of books and stationery;
6, monnolithic case design is brief generous, meets the aesthetical standard of modern;
7, cost is low, processing is simple, reliable operation, can produce in a large number, have a good application prospect.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation in the face of top table described in the utility model;
Fig. 3 is the structural representation of the groove of table described in the utility model lifting control mechanism;
Fig. 4 is the structural representation of ratchet regulating device described in the utility model;
Fig. 5 is the structural representation of crank rocker device described in the utility model.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
With reference to Fig. 1, multifunctional foldable desk described in the utility model, comprises four table legs and desktop.
Described table leg comprises lower support leg 16, intermediate supports leg 15 and upper supporting leg 7, the top of described lower support leg 16 and the bottom of intermediate supports leg 15 are hinged, described intermediate supports leg 15 is the tube-in-tube structure of hollow, described upper supporting leg 7 is plugged in intermediate supports leg 15, and is locked by fastening bolt 14; Stull 1 is connected between the lower support leg of two, described left side and between the lower support leg of two, right side; Be connected to supporting traverse 3 between the intermediate supports leg of two, described front side and between rear side two intermediate supports legs, described supporting traverse 3 is the tube-in-tube structure of hollow.
The top of described table leg is fixed with the table groove 10 for storing stationery and books; Between described table groove 10 and supporting traverse 3, a groove lifting control mechanism is installed; The both sides of described table groove lifting control mechanism are respectively arranged with a drawer 4, and described drawer 4 is assemblied on supporting traverse 3.
As shown in Figure 3, described table groove lifting control mechanism comprises girder device and screw rod 6.Described girder device comprises two truss be parallel to each other 5, two truss 5 are connected by front connecting axle 55, rear connecting axle 56, and described screw rod 6 runs through front connecting axle 55, rear connecting axle 56, and with the two threaded engagement, and leading portion is contrary with the hand of spiral of back segment on described screw rod 6; Described truss 5 comprises upper frame 51, underframe 52, upper X-frame 53 and lower X-frame 54, and described upper frame 51 and underframe 52 are all provided with strip hole; A top of described upper X-frame 53 is hinged on the tail end of upper frame 51, another top is equipped with slide-bar 57, and described upper slide-bar 57 is assemblied in the strip hole of upper frame 51; A bottom of described lower X-frame 54 is hinged on the tail end of underframe 52, another bottom is equipped with lower slide-bar 58, and described lower slide-bar 58 is assemblied in the strip hole of underframe 52; Two bottoms of described upper X-frame 53 and two tops of lower X-frame 54 are hinged respectively by front connecting axle 55, rear connecting axle 56; Described underframe 52 is fixed on supporting traverse 3, and upper frame 51 is fixed on the bottom surface of a groove 10.All nodes of truss 5 are all that smooth hinge connects, and each rod axis is all straight line and all by node, all stepless action is on node for load, and reasonable stress, can bear larger load, and make table leg steadiness good, bearing load ability is strong.After using, fixed contraction is entered at hinge place, is attached in the middle of a groove 10 bottom surface.During drawing, rotating screw bolt 6, make a groove 10 be communicated with top table face 8 and rise (or decline), after reaching desired height, locked by the fastening bolt 14 that telescopic upper supporting leg 7 passes through, table leg length is fixed, and whole desk reaches stable.
Described desktop comprises the auxiliary desktop 11 that the top table face 8 in a groove open top of covering and two are separately positioned on a groove 10 both sides.As shown in Figure 2, described top table face 8 is drawing desktop, comprises desktop 81 and is arranged on chute 88, mobile crossfoot 82, fixed coordinatometer 84, portable coordinatometer 87, removable set square 85, movable rotary chi 86 and the figure folder 83 on desktop 81.
Described auxiliary desktop 11 is arranged on movable supporting frame 13 by folding rack 12; Described movable supporting frame 13 is provided with two plug connectors, and they are plugged in two supporting traverses 3 respectively.
Ratchet regulating device 9 for regulating angle of inclination, top table face 8 is installed in table groove 10.As shown in Figure 4, described ratchet regulating device 9 comprises rachet 92, desk dock 91, connecting rod 93 and tooth space positioning device 94; Described desk dock 91 is connected with top table face 8 by desktop connector 97; One end of described desk dock 91 and one end of rachet 92 are hinged by hinge 95, and described hinge 95 is connected on the sidewall of a groove 10; The other end of described rachet 92 is fixed in a groove 10 by ratchet connector 96; Described tooth space positioning device 94 is flexibly connected with the ratchet on rachet 92; One end of described connecting rod 93 is hinged on desk dock 91, and the other end and tooth space positioning device 94 are hinged.
The below of described supporting traverse 3 is provided with the rocking bar crank mechanism 2 and extension spring that control table leg folding.Described rocking bar crank mechanism 2 is provided with two groups.As shown in Figure 5, often organize rocking bar crank mechanism and comprise a crank 21, No. two cranks 22, crank link 24, No. two crank link 25 and crank articulated elements 23, a described crank 21 and No. two cranks 22 are hinged by crank articulated elements 23, a crank 21 is connected with stull 1 by a crank link 24, and No. two cranks 22 are connected with the underframe 52 of truss by No. two crank link 25.
During carrying, lower support leg 16 is inwardly folded, screwed tightening fixing bolt 14, make supporting leg 7 be contracted in intermediate supports leg 15; And make top table face 8 level cover on a groove 10 by ratchet regulating device 9, by two longitudinal folding both sides leaning against a groove 10 of auxiliary desktop 11; And by rotating screw bolt 6, make truss 5 shrink, table groove 10 is near supporting traverse 3.Like this, desk foldable integral shrinks, and takes up room very little, convenient carrying.During use, the expansion of desk can be completed by contrary operation.

Claims (7)

1. a multifunctional foldable desk, comprises four table legs and desktop, it is characterized in that:
Described table leg comprises lower support leg (16), intermediate supports leg (15) and upper supporting leg (7), the top of described lower support leg (16) and the bottom of intermediate supports leg (15) are hinged, the tube-in-tube structure that described intermediate supports leg (15) is hollow, described upper supporting leg (7) is plugged in intermediate supports leg (15), and is locked by fastening bolt (14); Left side two lower support legs between and be connected to stull (1) between the lower support leg of two, right side; Front side two intermediate supports legs between and be connected to supporting traverse (3), the tube-in-tube structure that described supporting traverse (3) is hollow between rear side two intermediate supports legs;
The top of described table leg is fixed with the table groove (10) for storing stationery and books; Between described table groove (10) and supporting traverse (3), a groove lifting control mechanism is installed; Described desktop comprises the auxiliary desktop (11) that the top table face (8) in a groove open top of covering and two are separately positioned on a groove (10) both sides; Ratchet regulating device (9) for regulating top table face (8) angle of inclination is installed in table groove (10); The below of described supporting traverse (3) is provided with the rocking bar crank mechanism (2) and extension spring that control table leg folding.
2. multifunctional foldable desk according to claim 1, is characterized in that: described auxiliary desktop (11) is arranged on movable supporting frame (13) by folding rack (12); Described movable supporting frame (13) is provided with two plug connectors, and they are plugged in two supporting traverses (3) respectively.
3. multifunctional foldable desk according to claim 1 and 2, it is characterized in that: the both sides of described table groove lifting control mechanism are respectively arranged with a drawer (4), and described drawer (4) is assemblied on supporting traverse (3).
4. multifunctional foldable desk according to claim 3, it is characterized in that: described table groove lifting control mechanism comprises girder device and screw rod (6), described girder device comprises two truss be parallel to each other (5), two truss (5) are connected by front connecting axle (55), rear connecting axle (56), described screw rod (6) runs through front connecting axle (55), rear connecting axle (56), and with the two threaded engagement, and the upper leading portion of described screw rod (6) is contrary with the hand of spiral of back segment; Described truss (5) comprises upper frame (51), underframe (52), upper X-frame (53) and lower X-frame (54), and described upper frame (51) and underframe (52) are all provided with strip hole; A top of described upper X-frame (53) is hinged on the tail end of upper frame (51), another top is equipped with slide-bar (57), described upper slide-bar (57) is assemblied in the strip hole of upper frame (51); A bottom of described lower X-frame (54) is hinged on the tail end of underframe (52), another bottom is equipped with lower slide-bar (58), described lower slide-bar (58) is assemblied in the strip hole of underframe (52); Two bottoms of described upper X-frame (53) and two tops of lower X-frame (54) are hinged respectively by front connecting axle (55), rear connecting axle (56); Described underframe (52) is fixed on supporting traverse (3), and upper frame (51) is fixed on the bottom surface of a groove (10).
5. multifunctional foldable desk according to claim 4, is characterized in that: described ratchet regulating device (9) comprises rachet (92), desk dock (91), connecting rod (93) and tooth space positioning device (94); Described desk dock (91) is connected with top table face (8) by desktop connector (97); One end of described desk dock (91) and one end of rachet (92) are hinged by hinge (95), and described hinge (95) is connected on the sidewall of a groove (10); The other end of described rachet (92) is fixed in a groove (10) by ratchet connector (96); Described tooth space positioning device (94) is flexibly connected with the ratchet on rachet (92); One end of described connecting rod (93) is hinged on desk dock (91), and the other end and tooth space positioning device (94) are hinged.
6. multifunctional foldable desk according to claim 5, it is characterized in that: described rocking bar crank mechanism (2) is provided with two groups, often organize rocking bar crank mechanism and comprise a crank (21), No. two cranks (22), a crank link (24), No. two crank link (25) and crank articulated elements (23), a described crank (21) and No. two cranks (22) are hinged by crank articulated elements (23), a crank (21) is connected with stull (1) by a crank link (24), No. two cranks (22) are connected with the underframe (52) of truss by No. two crank link (25).
7. multifunctional foldable desk according to claim 6, it is characterized in that: described top table face (8) is drawing desktop, comprise desktop (81) and be arranged on the chute (88) on desktop (81), mobile crossfoot (82), fixed coordinatometer (84), portable coordinatometer (87), removable set square (85), movable rotary chi (86) and figure folder (83).
CN201420624124.2U 2014-10-17 2014-10-17 Multifunctional foldable desk Expired - Fee Related CN204191955U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201420624124.2U CN204191955U (en) 2014-10-17 2014-10-17 Multifunctional foldable desk

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201420624124.2U CN204191955U (en) 2014-10-17 2014-10-17 Multifunctional foldable desk

Publications (1)

Publication Number Publication Date
CN204191955U true CN204191955U (en) 2015-03-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106419086A (en) * 2016-11-14 2017-02-22 钦州学院 Shear-type podium table based on ball screw lifting
CN113331580A (en) * 2021-06-24 2021-09-03 南京墨白建筑景观设计有限公司 Architectural design drawing frame and using method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106419086A (en) * 2016-11-14 2017-02-22 钦州学院 Shear-type podium table based on ball screw lifting
CN113331580A (en) * 2021-06-24 2021-09-03 南京墨白建筑景观设计有限公司 Architectural design drawing frame and using method thereof

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20150311

Termination date: 20151017

EXPY Termination of patent right or utility model