CN103991395A - Portable folding reading stand capable of being fixed to seat - Google Patents
Portable folding reading stand capable of being fixed to seat Download PDFInfo
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- CN103991395A CN103991395A CN201410181247.8A CN201410181247A CN103991395A CN 103991395 A CN103991395 A CN 103991395A CN 201410181247 A CN201410181247 A CN 201410181247A CN 103991395 A CN103991395 A CN 103991395A
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Abstract
The invention discloses a portable folding reading stand capable of being fixed to a seat. The reading stand comprises a base part (1), a large arm part (2), a folding and unfolding arm part (3) and a reading part (4), wherein the base part can be fixed to the seat and comprises a base frame; in the large arm part, two large arm connecting rods are respectively arranged on the two sides of the base frame to form two sets of large arm connecting rods, each set of large arm connecting rods, large arm connecting blocks and the base frame form a parallelogram mechanism, and a large arm constraint mechanism for making the four large arm connecting rods in a movable or fixed state is connected to the base frame; in the folding and unfolding arm part, the upper portions of two sets of folding and unfolding connecting rods are rotationally connected with middle connecting blocks respectively, the lower portions of one set of folding and unfolding arm connecting rods are rotationally connected with a folding and unfolding arm connecting block, and the lower portions of the other set of folding and unfolding arm connecting rods are rotationally connected with a reading board connecting block. By the adoption of the device, people can adjust the reading stand to the wanted pose, and unnecessary redundant degrees of freedom are eliminated.
Description
Technical field
The present invention relates to a kind of reading stand, relate in particular to folding reading stand.
Background technology
Along with popularizing rapidly of electronic product, now increasing people like holding the portable electric appts such as panel computer and wear down journey or time at home.Because easily making people, electronic product produces feeling of immersion; people often understand single and use the longer time; and the action that generally all can use hand tray to hold up; this is just easy to make people to produce arm to ache; the senses of fatigue such as upper body is stiff; affected our requirement to health comfort level, affected again electronic product to us, bring happy.It is the major issue that needs solution in reality that the arm that how to make us can liberate again us when enjoying electronic product enjoyment to the full makes our health avoid fatigue.
The arm of liberating us with support is the simplest methods.Now occurred on the market several portable racks that are fixed on the facilities such as seat or desk, but that it generally has is simple in structure, poor rigidity, the shortcoming such as cannot folds.
The patent No. is that the Chinese patent of CN200920203217.7 discloses " Portable folding reading shelf ", this reading stand is articulated as one by bolt shaft and fly nut with a pair of books and periodicals bracket of hinge, on the base plate of this books and periodicals bracket, be provided with inhibiting device, described inhibiting device comprises the sliding floor being connected with books and periodicals tray plate by anchor shaft, with the slide plate of sliding floor sliding block joint, be connected and pass eccentric wheel and the jam nut of rotarying connection with anchor shaft of anchor shaft with slide plate.Described slide plate one side is concave circular arcs shape, and described jam nut cylindrical is provided with rubber sleeve.The problem existing is that structure is too simple, and degree of freedom is few, very flexible.
The patent No. is that the Chinese patent of CN200910157272.1 discloses " reading stand ", should " reading stand " can allow reader's recumbency, semi-lying, lie on one's side, be seated and use, can regulate arbitrarily the support of reading source and eye distance and angle.It is to be linked in sequence and to be formed by base, montant, folding shaft, cross bar, multidirectional axle 1, bar 1, multidirectional axle 2, bar 2, multidirectional axle 3, bar 3, multidirectional axle 4, reading source bracket.This structure can make reading stand be stable on ground, desktop, can regulate arbitrarily distance and the angle of reading source and eyes.The problem existing is that support can not fold, and volume is excessive, and between connecting rod, coupling stiffness is poor.
Summary of the invention
The object of the invention is to be to overcome the shortcoming of prior art, a kind of simple in structure and poor rigidity, the folding Portable folding reading shelf being fixed on seat are provided.
A kind of Portable folding reading shelf being fixed on seat of the present invention, it comprises:
(1) can fix base portion on the seat, described base portion comprises abase frame;
(2) large arm portion, in abase frame both sides, be respectively arranged with two large arm connecting rods and form two groups of large arm connecting rods, two connecting rods and another two connecting rod bottoms organizing large arm connecting rod of every group of large arm connecting rod are rotatably connected in abase frame between two, two groups of large arm connecting rod full symmetrics, every group of large arm connecting rod forms parallel-crank mechanism with large arm contiguous block and abase frame, is connected with and makes the large arm constraint mechanism of four large arm connecting rods in activity or stationary state in described abase frame;
(3) folding exhibition arm portion, described large arm contiguous block is movably connected between two groups of large arm connecting rod tops, large arm contiguous block is rotatedly connected with folding exhibition arm contiguous block so that roll over a plane of opening up arm contiguous block and can rotate to be fitted on large arm contiguous block end face and can to open up arm fixed sturcture by folding between the two after 180 degree and be connected, in middle contiguous block both sides, be respectively arranged with two folding exhibition arm connecting rods and form two groups of folding exhibition arm connecting rods, the top of two groups of folding exhibition arm connecting rods is rotatedly connected with middle contiguous block respectively, the bottom of one group of folding exhibition arm connecting rod is rotatedly connected with folding exhibition arm contiguous block, the bottom of another group folding exhibition arm connecting rod is rotatedly connected with reading plate contiguous block, one group of folding exhibition arm connecting rod forms a folding exhibition arm parallel-crank mechanism with folding exhibition arm contiguous block and middle contiguous block, another group folding exhibition arm connecting rod and middle contiguous block and reading plate contiguous block form another folding exhibition arm parallel-crank mechanism, on described middle contiguous block, be connected with and make the folding exhibition arm constraint mechanism of two groups of folding exhibition arm connecting rods in activity or stationary state,
(4) reading stand part, described reading stand partly comprises the reading plate being rotatedly connected with reading plate contiguous block, reads after plate can be adjusted to appropriate location and locks by securing arrangement.
Advantage of the present invention:
1. Portable folding reading shelf deployable use in use of being fixed on seat of the present invention, adjusts position; When not using, can fold in base intracavity, reduce volume, greatly improve again portability.
2. the large arm portion of Portable folding reading shelf and the folding exhibition arm portion being fixed on seat of the present invention all adopts parallel-crank mechanism, this can realize when adjusting the pose of large arm and folding exhibition arm can't affect the attitude of reading plate, and this has improved the property easy to use of this kind equipment greatly.
3. the Portable folding reading shelf being fixed on seat of the present invention has four degree of freedom, can realize people's pose desired to reading stand, and the N/R redundant degree of freedom of having forgone again, meets ergonomics requirement.
Accompanying drawing explanation
Fig. 1 is that the present invention can be fixed on the use schematic diagram under the Portable folding reading shelf deployed condition on seat;
Fig. 2 is that the present invention can be fixed on the use schematic diagram under the Portable folding reading shelf folded state on seat;
The front elevational schematic under the Portable folding reading shelf deployed condition on seat can be fixed on for the present invention in Fig. 3-1;
The schematic side view under the Portable folding reading shelf deployed condition on seat can be fixed on for the present invention in Fig. 3-2;
Fig. 4 is that the axle that the present invention can be fixed under the Portable folding reading shelf deployed condition on seat measures intention;
Fig. 5 is that the present invention can be fixed on exploded perspective view under the Portable folding reading shelf deployed condition on seat;
Fig. 6 is that the present invention can be fixed on large arm portion exploded perspective view under the Portable folding reading shelf deployed condition on seat;
Fig. 7 is that the present invention can be fixed on the schematic diagram under the Portable folding reading shelf folding exhibition arm portion folded state on seat;
The Portable folding reading shelf that Fig. 8-1 and Fig. 8-2 can be fixed on seat for the present invention is rolled over the schematic diagram of opening up arm portion expansion process;
Fig. 9 is that the present invention can be fixed on folding exhibition arm portion exploded perspective view under the Portable folding reading shelf deployed condition on seat;
Figure 10 is that the present invention can be fixed under the Portable folding reading shelf deployed condition on seat and be read plate portion exploded perspective view;
Figure 11-1,11-2,11-3,11-4 are that the present invention can be fixed on the Portable folding reading shelf embodiment schematic diagram on seat;
Figure 11-5 are that the Portable folding reading shelf that can be fixed on seat launches to read the signal of plate portion state at the large arm portion of pull-up with folding exhibition arm portion and after launching to roll over exhibition arm portion.
The specific embodiment
A kind of Portable folding reading shelf being fixed on seat of the present invention as shown in drawings, it comprises: (1) can fix base portion on the seat, described base portion comprises abase frame; (2) large arm portion, in abase frame both sides, be respectively arranged with two large arm connecting rods and form two groups of large arm connecting rods, two connecting rods and another two connecting rod bottoms organizing large arm connecting rod of every group of large arm connecting rod are rotatably connected on abase frame 1-1-1 between two, two groups of large arm connecting rod full symmetrics, every group of large arm connecting rod forms parallel-crank mechanism with large arm contiguous block and abase frame, is connected with and makes the large arm constraint mechanism of four large arm connecting rods in activity or stationary state in described abase frame.
Preferred described large arm constraint mechanism comprises that the large arm in the outside that is separately positioned on two groups of large arm connecting rods clamps card, two large arm clamping cards screw double-screw bolt 1-2-8 screw thread with the large arm that passes abase frame setting and are connected, the both sides thread rotary orientation that large arm screws double-screw bolt 1-2-8 is contrary, thereby realize large arm, clamp card to the clamping of two groups of large arm connecting rods and unclamp, described large arm screws double-screw bolt 1-2-8 and is connected with handle.Can certainly adopt electromagnetic brake or structure of friction wheel to realize large arm constraint.
As one embodiment of the present invention, four large arm connecting rod bottoms are rotatably connected on abase frame 1-1-1 by large arm connecting rod connecting pin 1-2-5 between two.
(3) folding exhibition arm portion, described folding exhibition arm portion comprises the large arm contiguous block 1-2-10 being movably connected between two groups of large arm connecting rod tops, two groups of large arm connecting rods form parallel-crank mechanism with large arm contiguous block 1-2-10 and abase frame, large arm contiguous block 1-2-10 is rotatedly connected with folding exhibition arm contiguous block 1-3-10 so that roll over a plane of opening up arm contiguous block 1-3-10 and can rotate to be fitted on large arm contiguous block 1-2-10 end face and can to open up arm fixed sturcture by folding between the two after 180 degree and be connected, in middle contiguous block 1-3-5 both sides, be respectively arranged with two folding exhibition arm connecting rods and form two groups of folding exhibition arm connecting rods, the top of two groups of folding exhibition arm connecting rods is rotatedly connected with middle contiguous block 1-3-5 respectively, the bottom of one group of folding exhibition arm connecting rod is rotatedly connected with folding exhibition arm contiguous block 1-3-10, the bottom of another group folding exhibition arm connecting rod is rotatedly connected with reading plate contiguous block, one group of folding exhibition arm connecting rod forms a folding exhibition arm parallel-crank mechanism with folding exhibition arm contiguous block 1-3-10 and middle contiguous block 1-3-5, another group folding exhibition arm connecting rod and middle contiguous block 1-3-5 and reading plate contiguous block form another folding exhibition arm parallel-crank mechanism, on described middle contiguous block 1-3-5, be connected with and make the folding exhibition arm constraint mechanism of two groups of folding exhibition arm connecting rods in activity or stationary state,
Preferred described folding exhibition arm constraint mechanism comprises the middle clamp clip that is separately positioned on two groups of folding exhibition arm connecting rod outsides, two middle clamp clips screw double-screw bolt 1-3-8 screw thread with the centre arranging through middle contiguous block 1-3-5 and are connected, the both sides thread rotary orientation that centre screws double-screw bolt 1-3-8 is contrary, thereby in the middle of realizing, clamp clip is opened up the clamping of arm connecting rods and unclamps two groups of foldings, and described centre screws double-screw bolt 1-3-8 and is connected with handle.Can certainly adopt electromagnetic brake or structure of friction wheel to realize large arm constraint.
Preferred described folding exhibition arm fixed sturcture comprises the folding exhibition arm permanent magnet group on the interface that is arranged in folding exhibition arm contiguous block 1-3-10 and large arm contiguous block 1-2-10, the interface of folding exhibition arm contiguous block 1-3-10 and large arm contiguous block 1-2-10 can be fixed together while opening up the use of arm permanent magnet group by folding and under folding exhibition arm portion 1-3 folded state, folding exhibition arm contiguous block 1-3-10 can separate with the interface of large arm contiguous block 1-2-10.The arm of folding exhibition shown in figure contiguous block 1-3-10 is furnished with set of permanent magnets I1-3-12 in set hole, and large arm contiguous block 1-2-10 is furnished with permanent magnet group II1-2-11 in set hole.
(4) reading stand part, described reading stand partly comprises the reading plate being rotatedly connected with reading plate contiguous block 1-3-14, reads after plate can be adjusted to appropriate location and locks by securing arrangement.
Preferred described securing arrangement comprises and screws bolt 1-4-2, and the described bolt 1-4-2 that screws is threaded with reading plate through reading plate contiguous block 1-3-14.
The preferred plate of reading comprises minute plate I1-4-3 being connected with reading plate contiguous block 1-3-14, minute plate I1-4-3 and a minute plate II1-4-4 are rotatedly connected, and a minute plate II1-4-4 can turn to minute plate I1-4-3 and at grade and by a minute plate fixation mechanism both is fixedly linked in this position.Preferred embodiment a kind of as the present invention, minute plate fixation mechanism is for being respectively equipped with a minute plate permanent magnet at minute plate I1-4-3 with the interface of minute plate II1-4-4, and this can realize a minute plate I1-4-3, a minute plate II1-4-4 is fixed together after opening.Within two minutes, plate can fold when not using, fully to reduce shared space.In such cases, the described bolt that screws is threaded with dividing a plate I through reading plate contiguous block.
The preferred cavity plate that is provided with in described abase frame, described cavity plate and abase frame form cavity, after described large arm portion 1-2, folding exhibition arm portion 1-3 and reading stand part 1-4 are folding, can be arranged in cavity.This just makes Folding reading-rack all be folded in cavity, when whole reading stand is not used, fully reduces shared volume, has greatly improved portability.
With each width figure, the present invention is described in more details again below in conjunction with the embodiments:
Fig. 1 is that the present invention can be fixed on the use schematic diagram under the Portable folding reading shelf deployed condition on seat.Fig. 2 is that the present invention can be fixed on the use schematic diagram under the Portable folding reading shelf folded state on seat.Portable folding reading shelf on described be fixed on seat has expansion and folding two states, in use, Portable folding reading shelf on described be fixed on seat is in deployed condition, and whole reading stand has four degree of freedom, meets user demand; After finishing using, can be folded into base portion cavity.
As shown in Fig. 2, Fig. 3-1,3-2, Portable folding reading shelf 1 on described be fixed on seat can be fixed on a side of seat 2, and by screwing the entire body tightening screw I1-1-4 of bottom and screwing screw I1-1-2, screw screw II1-1-3 and realize fixing of Portable folding reading shelf and seat.
Fig. 4 is that the axle that the present invention can be fixed under the Portable folding reading shelf deployed condition on seat measures intention.Fig. 5 is that the present invention can be fixed on exploded perspective view under the Portable folding reading shelf deployed condition on seat.Portable folding reading shelf on described be fixed on seat comprises: base portion 1-1, large arm portion 1-2, folding exhibition arm portion 1-3, reading stand part 1-4.Large arm portion 1-2 is connected with base portion 1-1 by pin; Folding exhibition arm portion 1-3 is connected with large arm portion 1-2 by pin; Reading plate portion 1-4 is connected with folding exhibition arm portion 1-3 by pin.
Fig. 6 is that the present invention can be fixed on exploded perspective view under the Portable folding reading shelf deployed condition on seat.Described large arm portion comprises: two groups of large arm connecting rods, that is: the large left I1-2-1 of arm connecting rod, the large left II1-2-2 of arm connecting rod, the large right I1-2-3 of arm connecting rod, the large right II1-2-4 of arm connecting rod, large arm clamp card I1-2-6, and large arm clamps that card II1-2-7, large arm screw double-screw bolt 1-2-8, screw colored type head I1-2-9, large arm contiguous block 1-2-10, permanent magnet group II1-2-11, large arm connecting rod connecting pin 1-2-5.The large left I1-2-1 of arm connecting rod, the large right I1-2-3 of arm connecting rod be as one group, and the large left II1-2-2 of arm connecting rod, the large right II1-2-4 of arm connecting rod be as one group, and two groups of connecting rods are as two active edges of parallel-crank mechanism.The large left I1-2-1 of arm connecting rod, the large right I1-2-3 of arm connecting rod, the large left II1-2-2 of arm connecting rod, the large right II1-2-4 of arm connecting rod are connected on the abase frame 1-1-1 of base portion 1-1 by large arm connecting rod connecting pin 1-2-5, large arm clamps card I1-2-6, large arm clamps card II1-2-7 and divides the both sides that are listed in two groups of large arm connecting rods, large arm clamps card I1-2-6, large arm clamping card II1-2-7 screws double-screw bolt 1-2-8 by large arm and connects, and the both sides that large arm screws double-screw bolt 1-2-8 have the screw thread that rotation direction is contrary; Large arm screws double-screw bolt 1-2-8 one end and has square hole, screw colored type head I1-2-9 one end and be provided with square spigot, by screwing colored type head I1-2-9 one end square spigot, screw being connected of double-screw bolt 1-2-8 one end square hole with large arm, screw colored type head I1-2-9 and can drive large arm to screw double-screw bolt 1-2-8 rotation; Large arm screws double-screw bolt 1-2-8 and rotates, by screw thread transmission, can realize large arm and clamp card I1-2-6, large arm clamping card II1-2-7 in opposite directions or reverse motions, thereby realize clamp clip to the clamping of linkage rod group and unclamp, make large arm portion 1-2 in activity or stationary state.Large arm contiguous block 1-2-10 is connected with large arm linkage rod group by large arm connecting rod connecting pin 1-2-5.Parallel-crank mechanism can make large arm contiguous block 1-2-10 all the time in translation state.
Fig. 7 is that the present invention can be fixed on the schematic diagram under the Portable folding reading shelf folding exhibition arm portion folded state on seat.Fig. 8-1,8-2 are the schematic diagram that the present invention can be fixed on the Portable folding reading shelf folding exhibition arm portion expansion process on seat.Folding exhibition arm contiguous block 1-3-10 in described folding exhibition arm portion 1-3 is connected by bearing pin with the large arm contiguous block 1-2-10 in large arm portion 1-2, folding exhibition arm contiguous block 1-3-10 is furnished with set of permanent magnets I1-3-12 in set hole, and large arm contiguous block 1-2-10 is furnished with permanent magnet group II1-2-11 in set hole.Under folding exhibition arm portion 1-3 folded state, set of permanent magnets I1-3-12 and set of permanent magnets II1-2-11 are in separated position; During use, pull-up folding exhibition arm portion 1-3, is bonded together set of permanent magnets I1-3-12 and set of permanent magnets II1-2-11, relies on the magnetic force between it, and folding exhibition arm portion 1-3 is firmly fixed on the large arm contiguous block 1-2-10 in large arm portion 1-2.
Fig. 9 is that the present invention can be fixed on folding exhibition arm portion exploded perspective view under the Portable folding reading shelf deployed condition on seat.Described folding exhibition arm portion mainly comprises: roll over exhibition arm connecting rods for two groups: one-level connecting rod I1-3-1, one-level connecting rod II1-3-2, secondary connecting rod I1-3-3, secondary connecting rod II1-3-4 and middle contiguous block 1-3-5, middle clamp clip I1-3-6, middle clamp clip II1-3-7, centre screw double-screw bolt 1-3-8, screw colored type head II1-3-9, roll over exhibition arm contiguous block 1-3-10, read plate contiguous block 1-3-14, connecting rod connecting pin 1-3-13, permanent magnet I1-3-12, roll over exhibition arm connecting pin 1-3-11.One-level connecting rod I1-3-1, one-level connecting rod II1-3-2 are connected on folding exhibition arm contiguous block 1-3-10 and middle contiguous block 1-3-5 by connecting rod connecting pin 1-3-13; Secondary connecting rod II1-3-4, secondary connecting rod I1-3-3 are connected to and are read on plate contiguous block 1-3-14 and middle contiguous block 1-3-5 by connecting rod connecting pin 1-3-13; Middle clamp clip I1-3-6, middle clamp clip II1-3-7 divide and are listed in two groups of connecting rod both sides, middle contiguous block 1-3-5, middle clamp clip I1-3-6 and middle clamp clip II1-3-7 screw double-screw bolt 1-3-8 by centre and connect, and the both sides that centre screws double-screw bolt 1-3-8 have the screw thread that rotation direction is contrary; Centre screws double-screw bolt 1-3-8 one end and has square hole, screw colored type head II1-3-9 one end and be provided with square spigot, by screwing colored type head II1-3-9 one end square spigot, screw being connected of double-screw bolt 1-3-8 one end square hole with middle, screw colored type head I1-3-9 and can drive the middle double-screw bolt 1-3-8 that screws to rotate; Centre screws double-screw bolt 1-3-8 and rotates, by screw thread transmission, in the middle of can realizing clamp clip I1-3-6, middle clamp clip II1-3-7 in opposite directions or reverse motions, thereby realize clamp clip to the clamping of linkage rod group with unclamp, make folding exhibition arm portion 1-3 in activity or stationary state.Folding exhibition arm 1-3 be partly two parallel Si Bianhang mechanism, and to open up the attitude of arm contiguous block 1-3-10 identical with folding all the time for the attitude of reading plate contiguous block 1-3-14; When folding is opened up arm in active state, read the translation that plate contiguous block 1-3-14 can have both direction.Screw activity and stationary state that colored type head II1-3-9 can control two groups of folding exhibition arm connecting rods simultaneously.
Figure 10 is that the present invention can be fixed under the Portable folding reading shelf deployed condition on seat and be read plate portion exploded perspective view.Described reading plate portion comprises: read plate turning block 1-4-1, screw bolt 1-4-2, divide plate I1-4-3, divide plate II1-4-4, divide plate connecting pin 1-4-5, read plate connecting pin 1-4-6.
Reading plate swivel block 1-4-1 is connected with the reading plate contiguous block 1-3-14 in folding exhibition arm portion by reading plate connecting pin 1-4-6; Divide plate I1-4-3 to be connected by screwing bolt 1-4-2 with reading plate swivel block 1-4-1, adjustment screws bolt 1-4-2 predetermincd tension and arrives suitably size, thereby realization can be rotated minute plate I1-4-3 and do not rotated when operator uses reading plate support plate apparatus such as computer when operator applies the torsion of suitable size.Divide plate I1-4-3 to be connected by a minute plate connecting pin 1-4-5 with minute plate II1-4-4, divide the interface of plate I1-4-3, minute plate II1-4-4 to be respectively equipped with corresponding permanent magnet, this can realize a minute plate I1-4-3, a minute plate II1-4-4 is fixed together after opening, need to pack up while reading plate, operator uses suitable power can overcome magnetic force and separately divides plate I1-4-3, minute plate II1-4-4.
Figure 11-1,11-2,11-3,11-4 are that the present invention can be fixed on the Portable folding reading shelf embodiment schematic diagram on seat.Figure 11-1 is for being fixed on the Portable folding reading shelf folded state signal on seat; Figure 11-2 are for being fixed on the large arm portion state signal of Portable folding reading shelf pull-up on seat; Figure 11-3 are for being fixed on the large arm portion of Portable folding reading shelf pull-up and the signal of folding exhibition arm portion state on seat; Open up after arm portion at the large arm portion of pull-up and folding for the Portable folding reading shelf that can be fixed on seat Figure 11-4, launches the signal of folding exhibition arm portion state; Figure 11-5 are that the Portable folding reading shelf that can be fixed on seat launches to read the signal of plate portion state at the large arm portion of pull-up with folding exhibition arm portion and after launching to roll over exhibition arm portion.
Claims (8)
1. can be fixed on the Portable folding reading shelf on seat, it is characterized in that it comprises:
(1) can fix base portion on the seat, described base portion comprises abase frame;
(2) large arm portion, in abase frame both sides, be respectively arranged with two large arm connecting rods and form two groups of large arm connecting rods, two connecting rods and another two connecting rod bottoms organizing large arm connecting rod of every group of large arm connecting rod are rotatably connected in abase frame between two, two groups of described large arm connecting rod full symmetrics, every group of large arm connecting rod forms parallel-crank mechanism with large arm contiguous block and abase frame, is connected with and makes the large arm constraint mechanism of four large arm connecting rods in activity or stationary state in described abase frame;
(3) folding exhibition arm portion, described large arm contiguous block is movably connected between two groups of large arm connecting rod tops, large arm contiguous block is rotatedly connected with folding exhibition arm contiguous block so that roll over a plane of opening up arm contiguous block and can rotate to be fitted on large arm contiguous block end face and can to open up arm fixed sturcture by folding between the two after 180 degree and be connected, in middle contiguous block both sides, be respectively arranged with two folding exhibition arm connecting rods and form two groups of folding exhibition arm connecting rods, the top of two groups of folding exhibition arm connecting rods is rotatedly connected with middle contiguous block respectively, the bottom of one group of folding exhibition arm connecting rod is rotatedly connected with folding exhibition arm contiguous block, the bottom of another group folding exhibition arm connecting rod is rotatedly connected with reading plate contiguous block, one group of folding exhibition arm connecting rod forms a folding exhibition arm parallel-crank mechanism with folding exhibition arm contiguous block and middle contiguous block, another group folding exhibition arm connecting rod and middle contiguous block and reading plate contiguous block form another folding exhibition arm parallel-crank mechanism, on described middle contiguous block, be connected with and make the folding exhibition arm constraint mechanism of two groups of folding exhibition arm connecting rods in activity or stationary state,
(4) reading stand part, described reading stand partly comprises the reading plate being rotatedly connected with reading plate contiguous block, reads after plate can be adjusted to appropriate location and locks by securing arrangement.
2. the Portable folding reading shelf being fixed on seat according to claim 1, it is characterized in that: described large arm constraint mechanism comprises that the large arm that is separately positioned on two groups of large arm connecting rod outsides clamps card, two large arm clamping cards screw double-screw bolt screw thread with the large arm that passes abase frame setting and are connected, the both sides thread rotary orientation that large arm screws double-screw bolt is contrary, thereby realize large arm, clamp card to the clamping of two groups of large arm connecting rods and unclamp, described large arm screws double-screw bolt and is connected with handle.
3. the Portable folding reading shelf being fixed on seat according to claim 1 and 2, it is characterized in that: described folding exhibition arm constraint mechanism comprises the middle clamp clip that is separately positioned on two groups of folding exhibition arm connecting rod outsides, two middle clamp clips screw double-screw bolt screw thread with the centre of passing middle contiguous block setting and are connected, the both sides thread rotary orientation that centre screws double-screw bolt is contrary, thereby in the middle of realizing, clamp clip is opened up the clamping of arm connecting rods and unclamps two groups of foldings, and described centre screws double-screw bolt and is connected with handle.
4. the Portable folding reading shelf being fixed on seat according to claim 3, it is characterized in that: described folding exhibition arm fixed sturcture comprises the folding exhibition arm permanent magnet group on the interface that is arranged in folding exhibition arm contiguous block and large arm contiguous block, the interface of folding exhibition arm contiguous block and large arm contiguous block is opened up by folding that arm permanent magnet group can be fixed together or is separated.
5. the Portable folding reading shelf being fixed on seat according to claim 3, it is characterized in that: cavity plate is installed in described abase frame, described cavity plate and abase frame form cavity, after described large arm portion, folding exhibition arm portion and reading stand are partially folded, can be arranged in cavity.
6. the Portable folding reading shelf being fixed on seat according to claim 5, it is characterized in that: described reading plate comprises minute plate I being connected with reading plate contiguous block, minute plate I and a minute plate II are rotatedly connected, and a minute plate II can turn to minute plate I and at grade and by a minute plate fixation mechanism both is fixedly linked in this position.
7. the Portable folding reading shelf being fixed on seat according to claim 6, is characterized in that: described minute plate fixation mechanism comprises minute plate permanent magnet on the interface that is arranged on minute plate I and minute plate II.
8. the Portable folding reading shelf being fixed on seat according to claim 7, is characterized in that: described securing arrangement comprises and screw bolt, and the described bolt that screws is threaded with dividing a plate I through reading plate contiguous block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410181247.8A CN103991395B (en) | 2014-04-30 | 2014-04-30 | A kind of Portable folding reading shelf being securable on seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410181247.8A CN103991395B (en) | 2014-04-30 | 2014-04-30 | A kind of Portable folding reading shelf being securable on seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103991395A true CN103991395A (en) | 2014-08-20 |
| CN103991395B CN103991395B (en) | 2016-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410181247.8A Expired - Fee Related CN103991395B (en) | 2014-04-30 | 2014-04-30 | A kind of Portable folding reading shelf being securable on seat |
Country Status (1)
| Country | Link |
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| CN (1) | CN103991395B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3313691A4 (en) * | 2015-06-26 | 2019-05-15 | Johnny A. Satterfield | SUPPORT ARM ASSEMBLY |
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| CN2461377Y (en) * | 2001-01-17 | 2001-11-28 | 张牧 | Folding book reading plate |
| CN2596850Y (en) * | 2002-12-31 | 2004-01-07 | 王晓昱 | Multidirectional deflection bed table study shelf |
| CN201563941U (en) * | 2009-07-06 | 2010-09-01 | 沈华儒 | Reading frame |
| CN102652075A (en) * | 2010-02-23 | 2012-08-29 | 凯波有限责任两合公司 | Arrangement of table that can be folded up |
| CN204020636U (en) * | 2014-04-30 | 2014-12-17 | 王子璐 | A kind of Portable folding reading shelf be fixed on seat |
-
2014
- 2014-04-30 CN CN201410181247.8A patent/CN103991395B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR755261A (en) * | 1933-05-08 | 1933-11-22 | Perfected armchair | |
| EP0626292A1 (en) * | 1993-05-26 | 1994-11-30 | Societe Industrielle Et Commerciale De Materiel Aeronautique (Sicma) Societe Anonyme | Vehicle seat with retractable display in the armrest |
| CN2461377Y (en) * | 2001-01-17 | 2001-11-28 | 张牧 | Folding book reading plate |
| CN2596850Y (en) * | 2002-12-31 | 2004-01-07 | 王晓昱 | Multidirectional deflection bed table study shelf |
| CN201563941U (en) * | 2009-07-06 | 2010-09-01 | 沈华儒 | Reading frame |
| CN102652075A (en) * | 2010-02-23 | 2012-08-29 | 凯波有限责任两合公司 | Arrangement of table that can be folded up |
| CN204020636U (en) * | 2014-04-30 | 2014-12-17 | 王子璐 | A kind of Portable folding reading shelf be fixed on seat |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3313691A4 (en) * | 2015-06-26 | 2019-05-15 | Johnny A. Satterfield | SUPPORT ARM ASSEMBLY |
| US10569878B2 (en) | 2015-06-26 | 2020-02-25 | Johnny A. Satterfield | Mounting arm assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103991395B (en) | 2016-07-06 |
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