CN110754798A - Movable table for bed - Google Patents

Abstract

The invention discloses a movable table for a bed, which comprises the bed, a fixed frame and a table plate, wherein the fixed frame is arranged above the bed, a telescopic rod is arranged between the fixed frame and the bed, one end of the telescopic rod, which is far away from the fixed frame, and two ends of the fixed frame are both fixed with fixing devices, one side of the table plate is provided with a connecting structure which is rotationally connected with the fixed frame in multiple angles, one side of the table plate is symmetrically fixed with a rotating block, a limit groove is arranged on the rotating block, one side of the table plate, which is close to the rotating block, is provided with a telescopic support frame, two ends of the telescopic support frame are arranged in the limit groove, two ends of the telescopic support frame are fixed with rotating blocks, a rotating hole is arranged on the side wall of one side of the limit groove, one side of the table plate is fixed with a folding placing box, the table can be used on, meanwhile, the activity space of the dormitory is increased to a certain extent.

Description

Movable table for bed

Technical Field

The invention relates to the technical field of student supplies, in particular to a movable table used on a bed.

Background

The table is a common furniture, and is provided with a plane on the upper part and a pillar on the lower part. Can be used for putting things, doing things, eating, writing, working and the like. Is furniture that is held by smooth plates, legs, and other supports.

In the student dormitory that many people live in, too much of desk can occupy more dormitory space, makes dormitory member's activity space reduce, and the desk is too few, can only some people use, and other people then can not use, and so only in the dormitory that has the bunk, members of upper berth still need follow the upper berth and climb down if need using the desk, very inconvenient.

Disclosure of Invention

The invention aims to provide a movable table for a bed, which can be used for an upper bed and a lower bed, avoids the shortage of the table and increases the activity space of a dormitory to a certain extent.

The technical purpose of the invention is realized by the following technical scheme:

a movable table for a bed comprises the bed, a fixed frame and a table plate, wherein the fixed frame is arranged above the bed, a telescopic rod is arranged between the fixed frame and the bed, one end of the telescopic rod is fixedly connected with the fixed frame, one end of the telescopic rod far away from the fixed frame and two ends of the fixed frame are respectively fixed with a fixing device, one side of the table plate is fixed with a supporting block, a groove is arranged on the supporting block, a short rod in sliding fit with the groove is arranged in the groove, rotating holes are respectively arranged on the side walls on two sides of the groove, one end of the short rod is fixed with a cross rod in rotating fit with the rotating holes, a rotating shaft in rotating fit with the short rod is arranged at one end of the short rod far away from the cross rod, a sliding ring in sliding fit with the fixed frame is sleeved outside the fixed frame, a rotating column is fixed on the sliding ring, the utility model discloses a spacing groove, including the rotation post, the rotation post is last overcoat have with the rotation post is normal running fit's carousel, the symmetry is fixed with spacing piece and two on the carousel be provided with between the stopper with the fixed swing arm of stopper, the pivot is kept away from the one end overcoat of quarter butt with on the swing arm and with swing arm normal running fit, the table with the relative one side symmetry of supporting shoe is fixed with the turning block just the spacing groove has been seted up on the turning block, the table is close to one side of turning block is provided with telescopic support frame, telescopic support frame's both ends arrange in the spacing inslot, telescopic support frame's both ends are fixed with the turning block just the commentaries on classics hole has been seted up on one side lateral wall of spacing groove, the turning block arrange in the turning hole and with the turning hole is normal running fit, one side of table is fixed with the.

By adopting the technical scheme, when in use, the fixing frame is fixed on the bed through the fixing device, after the fixing frame is fixed, the length of the telescopic rod is adjusted, after the adjustment, the telescopic rod is fixed through the fixing device on the telescopic rod, so that the telescopic rod can support the fixing frame, the fixing effect of the fixing frame is ensured, then the table plate is rotated to rotate out of the protruding part of the fixing frame, when the table plate moves out, the sliding ring is moved, because the rotating column fixed on the sliding ring is sleeved with the rotating matched rotating disc and the rotary rod is fixed between the two limiting blocks fixed on the rotating disc, the rotating shaft sleeved on the rotary rod and rotatably matched with the rotary rod is rotatably connected with the short rod, and the short rod is matched with the rotating hole through the transverse rod, the rotation between the short rod and the supporting block is realized, through the design, the table plate fixedly connected with the supporting block can realize multi-angle rotation, when the sliding ring moves to a proper position, the table plate is rotated to be in a horizontal state, then the table plate moves towards a direction close to the fixing frame, the rotating shaft rotates around the rotating rod, the rotating shaft is matched with a gap between the two limiting blocks, when the rotating shaft enters the gap between the two limiting blocks, the side wall of one side of the table plate is abutted against the rotating disc, at the moment, the telescopic support frame is pulled to enable the side wall of the telescopic support frame to be abutted against the side wall of the limiting groove formed in the rotating block, at the moment, the telescopic support frame cannot rotate, the table plate is adjusted to be in a horizontal state, articles can be placed on the upper end face of the table plate, meanwhile, the foldable placing box can be opened to place the articles according to needs, the placing space of the articles is increased, when the table plate is stored, the foldable placing box is firstly folded, then the telescopic support frame is folded, and the telescopic support frame is attached to one side of the, the table is lifted upwards afterwards to the gap that the pivot will follow between two stopper comes out, rotates the table again, makes the table be in vertical state, promotes the slip ring, when the slip ring slides to suitable position, stops the slip ring, rotates the table at the level afterwards, and the protruding portion of mount will be entered into to the one end of table this moment, accomplishes the receipts of table this moment and deposits.

Preferably, the fixing device comprises a plurality of concave blocks and fastening bolts, the concave blocks are fixed at two ends of the fixing frame and one end of the telescopic rod, square blocks are arranged in openings of the concave blocks, the fastening bolts penetrate through plate blocks on one side of the openings of the concave blocks to be rotatably connected with the square blocks, and the fastening bolts are in threaded fit with the concave blocks.

Adopt above-mentioned technical scheme, because fastening bolt and concave type piece screw-thread fit and square piece and fastening bolt normal running fit to rotating fastening bolt will drive square piece and remove, rotating fastening bolt earlier, make square piece and the laminating of a curb plate piece of concave type piece opening part, block concave type piece on the iron stand of bed afterwards, at the antiport fastening bolt afterwards, make square piece support the iron stand of bed tightly, thereby can be with the tight fixing on the bed of concave type piece.

Preferably, the telescopic rod comprises a telescopic cylinder and a connecting rod, the telescopic cylinder is fixedly connected with the concave block, the connecting rod is fixedly connected with the fixing frame, a plurality of fixing holes are formed in the outer arc surface of the telescopic cylinder, a round hole is formed in the connecting rod, a fixing block matched with the fixing holes is arranged in the round hole, a spring is arranged in the round hole, and two ends of the spring are fixedly connected with the fixing block and the side wall of the round hole respectively.

Adopt above-mentioned technical scheme, press the fixed block with one hand, make the fixed block pass the fixed orifices of seting up on the telescopic cylinder and get into the round hole of seting up on the connecting rod, another hand promotes the telescopic cylinder, the one end of fixed block is the circular arc type design, when promoting the telescopic cylinder, the fixed block will enter into telescopic cylinder insidely, another fixed orifices and fixed block on the telescopic cylinder correspond to, the fixed block will enter into the fixed orifices under the thrust effect of spring, when the fixed block enters into the fixed orifices, will be in the stationary state between telescopic cylinder and the connecting rod, when the fixed block enters into telescopic cylinder insidely, will be in the sliding state between telescopic cylinder and the connecting rod.

Preferably, the telescopic support frame comprises a support rod and a U-shaped rod, the support rod is fixedly connected with the rotating block, a connecting cylinder in threaded fit with the support rod is sleeved outside one end, away from the support rod, of the rotating block, two ends of the U-shaped rod are respectively inserted into the two connecting cylinders, two ends of the U-shaped rod are in threaded fit with the connecting cylinders, and the thread direction of the upper half part of the inner wall of the connecting cylinder is opposite to that of the lower half part of the inner wall of the connecting cylinder.

Adopt above-mentioned technical scheme, when needs are adjusted the distance between bracing piece and the U type pole, rotate the connecting cylinder with the hand, because the first thread trend of connecting cylinder inner wall is opposite with the thread trend of lower half and bracing piece and U type pole all with connecting cylinder screw-thread fit to rotating the connecting cylinder, will making the distance increase between bracing piece and the U type pole under screw-thread fit's effect, when rotating the connecting cylinder positively and negatively, will make the distance between bracing piece and the U type pole reduce.

As preferred, the folding box of placing includes curb plate, bottom plate and baffle, the curb plate be provided with two just the curb plate symmetry set up in on the lateral wall of one side of table just the curb plate passes through the hinge and realizes the normal running fit with the table, bottom plate and one side the curb plate passes through the hinge and connects, baffle and opposite side the curb plate also connects through the hinge, one side be fixed with dog I on the curb plate, the opposite side be fixed with baffle two on the curb plate, connecting hole one has been seted up on the bottom plate, connecting hole two has been seted up on the baffle, dog I go up wear to be equipped with connecting hole two is screw-thread fit's fixing bolt one, dog II go up wear to be equipped with connecting hole one is screw-thread fit's fixing bolt two.

By adopting the technical scheme, when in use, the side plates on two sides are firstly placed in a state vertical to the table plate, then the bottom plate is rotated, one end of the bottom plate is abutted against the second baffle plate, the first connecting hole on the bottom plate is corresponding to the second fixing bolt on the second baffle plate, the second fixing bolt is rotated, because the second fixing bolt is in threaded fit with the first connecting hole, the second fixing bolt can enter the first connecting hole, the bottom plate is fixed on the second baffle plate, then the baffle plate is rotated, when one end of the baffle plate is abutted against the first baffle plate, the rotation is stopped, the second connecting hole on the baffle plate is corresponding to the first fixing bolt penetrating through the first baffle plate, and the first fixing bolt is in threaded fit with the first connecting hole, so that the first fixing bolt is rotated, the first fixing bolt can enter the second connecting hole, the baffle plate is fixed on the first baffle plate, and at the time, a cavity is, the chamber can be used for placing articles.

Preferably, a plurality of rubber blocks are fixed to one side of the table plate.

Adopt above-mentioned technical scheme, can avoid table and mount direct contact through the block rubber, guarantee the life of table and mount, this block rubber carries out certain filling to the gap between table and the mount simultaneously, guarantees the stationarity of table.

Preferably, the side walls of the periphery of the table plate are all fixed with shock-absorbing pads.

By adopting the technical scheme, the collision between the periphery of the table plate and the fixed frame or the bed can be reduced through the shock pad, and the service life of the table plate is ensured.

Preferably, a notch is formed in the side wall of one side of the table plate, and a level gauge is arranged in the notch.

By adopting the technical scheme, the desk plate can be ensured to be in a horizontal state through the level meter, the desk plate is prevented from being in an inclined state, and the experience of a user is reduced.

Preferably, a plurality of limiting plates are arranged on the upper end surface of the table plate.

By adopting the technical scheme, the limiting plate can prevent the articles on the table plate from rolling down from the table plate.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment;

FIG. 2 is a schematic view illustrating a connection relationship between the table, the telescopic rod and the telescopic supporting rod according to the embodiment;

FIG. 3 is a schematic view illustrating a connection structure between the rotating plate and the fixing frame according to the embodiment;

FIG. 4 is a schematic structural view illustrating the telescoping rod according to the embodiment;

FIG. 5 is a schematic structural diagram of a folded storage box according to an embodiment;

FIG. 6 is a schematic diagram illustrating positions of a first connection hole and a second connection hole according to an embodiment.

Reference numerals: 1. a bed is paved; 2. a fixed mount; 3. a table plate; 4. a telescopic rod; 5. a support block; 6. a groove; 7. a short bar; 8. rotating the hole; 9. a cross bar; 10. a rotating shaft; 11. a slip ring; 13. a turntable; 14. a limiting block; 15. rotating the rod; 16. rotating the block; 17. a limiting groove; 18. a telescopic support frame; 19. rotating the block; 20. hole turning; 21. folding the placing box; 22. a concave block; 23. fastening a bolt; 24. a square block; 25. a telescopic cylinder; 26. a connecting rod; 27. a fixing hole; 28. a circular hole; 29. a fixed block; 30. a spring; 31. a support bar; 32. a U-shaped rod; 33. a connecting cylinder; 34. a side plate; 35. a base plate; 36. a baffle plate; 37. a first stop block; 38. a second stop block; 39. a first connecting hole; 40. a second connecting hole; 41. fixing a first bolt; 42. fixing a second bolt; 43. a rubber block; 44. a shock pad; 45. a recess; 46. a level gauge; 47. and a limiting plate.

Detailed Description

The following description is only a preferred embodiment of the present invention, and the protection scope is not limited to the embodiment, and any technical solution that falls under the idea of the present invention should fall within the protection scope of the present invention. It should also be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention.

Referring to fig. 1 to 4, a movable table for a bed comprises a bed 1, a fixed frame 2 and a table plate 3, wherein the fixed frame 2 is arranged above the bed 1, a telescopic rod 4 is arranged between the fixed frame 2 and the bed 1, one end of the telescopic rod 4 is fixedly connected with the fixed frame 2, one end of the telescopic rod 4 far away from the fixed frame 2 and two ends of the fixed frame 2 are both fixed with fixing devices, one side of the table plate 3 is fixed with a supporting block 5, the supporting block 5 is provided with a groove 6, a short rod 7 in sliding fit with the groove 6 is arranged in the groove 6, two side walls of the groove 6 are both provided with rotating holes 8, one end of the short rod 7 is fixed with a cross rod 9 in rotating fit with the rotating holes 8, one end of the short rod 7 far away from the cross rod 9 is provided with a rotating shaft 10 in rotating fit with the short rod 7, the fixed frame 2 is externally sleeved with a sliding ring 11 in sliding fit with the, the outer cover has and is normal running fit's carousel 13 with rotating the post on rotating the post, be provided with the swing arm 15 fixed with stopper 14 on the symmetry is fixed with stopper 14 and between two stoppers 14 on the carousel 13, pivot 10 keep away from on short-bar 7's the one end overcoat and the swing arm 15 and with swing arm 15 normal running fit, table 3 and 5 relative one side symmetry of supporting shoe are fixed with turning block 16 and have seted up spacing groove 17 on turning block 16, one side that table 3 is close to turning block 16 is provided with telescopic support frame 18, telescopic support frame 18's both ends are arranged in spacing groove 17, telescopic support frame 18's both ends are fixed with and have seted up commentaries on classics hole 20 on turning block 19 and the lateral wall of one side of spacing groove 17, change block 19 arrange in changeing hole 20 and be normal running fit with commentaries on classics hole 20, one side of table 3 is fixed with the folding.

As shown in fig. 2, the fixing device includes a plurality of concave blocks 22 and fastening bolts 23, the concave blocks 22 are fixed at two ends of the fixing frame 2 and one end of the telescopic rod 4, square blocks 24 are arranged in openings of the concave blocks 22, the fastening bolts 23 penetrate through a plate block on one side of the opening of the concave blocks 22 to be rotatably connected with the square blocks 24, and the fastening bolts 23 are in threaded fit with the concave blocks 22.

As shown in fig. 4, the telescopic rod 4 includes a telescopic cylinder 25 and a connecting rod 26, the telescopic cylinder 25 is fixedly connected with the concave block 22, the connecting rod 26 is fixedly connected with the fixing frame 2, a plurality of fixing holes 27 are formed on the outer arc surface of the telescopic cylinder 25, a round hole 28 is formed on the connecting rod 26, a fixing block 29 matched with the fixing hole 27 is arranged in the round hole 28, and a spring 30 is arranged in the round hole 28, and two ends of the spring 30 are respectively fixedly connected with the side walls of the fixing block 29 and the round hole 28.

As shown in fig. 2 and 3, the telescopic support frame 18 includes a support rod 31 and a U-shaped rod 32, the support rod 31 is fixedly connected to the rotary block 19, a connecting cylinder 33 in threaded fit with the support rod 31 is sleeved outside one end of the support rod 31 far away from the rotary block 19, two ends of the U-shaped rod 32 are respectively inserted into the two connecting cylinders 33, two ends of the U-shaped rod 32 are in threaded fit with the connecting cylinders 33, and the thread direction of the upper half part of the inner wall of the connecting cylinder 33 is opposite to the thread direction of the lower half part.

As shown in fig. 1, a plurality of rubber blocks 43 are fixed to one side of the table 3.

Because the fastening bolt 23 is in threaded fit with the concave block 22 and the square block 24 is in rotational fit with the fastening bolt 23, the square block 24 is driven to move by rotating the fastening bolt 23, the square block 24 is attached to one side plate 34 at the opening of the concave block 22 by rotating the fastening bolt 23, then the concave blocks 22 at the two ends of the fixing frame 2 are clamped on an iron frame of the bed 1, then the fastening bolt 23 is rotated reversely, the square block 24 is abutted against the iron frame of the bed 1, so that the concave blocks 22 at the two ends of the fixing frame 2 can be tightly fixed on the bed 1, after the concave blocks 22 are fixed, the fixing frame 2 can be fixed on the bed 1, after the fixing frame 2 is fixed, the fixing block 29 is pressed by one hand, the fixing block 29 passes through a fixing hole 27 formed in the telescopic cylinder 25 to enter a round hole 28 formed in the connecting rod 26, the other hand pushes the telescopic cylinder 25, one end of the fixing block 29 is designed in a circular arc shape, when the telescopic cylinder 25 is pushed, the fixing block 29 enters the telescopic cylinder 25, so that the arc end of the fixing block 29 slides along the inner wall of the telescopic cylinder 25, when the other fixing hole 27 of the telescopic cylinder 25 corresponds to the fixing block 29, the fixing block 29 enters the fixing hole 27 under the pushing force of the spring 30, when the fixing block 29 enters the fixing hole 27, the telescopic cylinder 25 and the connecting rod 26 are in a fixed state, when the fixed block 29 enters the telescopic cylinder 25, the telescopic cylinder 25 and the connecting rod 26 are in a sliding state, when the telescopic cylinder 25 moves to a proper position, the concave block 22 at one end of the telescopic cylinder 25 is clamped on the iron frame of the bed 1, the fastening bolt 23 on the concave block 22 is rotated to fix the concave block 22 on the iron frame of the bed 1, so that the telescopic cylinder 25 and the connecting rod 26 can play a certain supporting role for the fixed frame 2.

Then the desk plate 3 is rotated to enable the desk plate 3 to rotate out of the protruding part of the fixed frame 2, when the desk plate 3 moves out, the sliding ring 11 is moved, because the rotating column fixed on the sliding ring 11 is sleeved with the rotating disc 13 in rotating fit and the rotating rod 15 is fixed between the two limit blocks 14 fixed on the rotating disc 13, the rotating shaft 10 sleeved on the rotating rod 15 and in rotating fit with the rotating rod 15 is rotatably connected with the short rod 7, and the short rod 7 is matched with the rotating hole 8 through the cross rod 9 to realize the rotation between the short rod 7 and the support block 5, through the above design, the desk plate 3 fixedly connected with the support block 5 can realize multi-angle rotation, when the sliding ring 11 moves to a proper position, the desk plate 3 is rotated to enable the desk plate 3 to be in a horizontal state, then the desk plate 3 moves towards the direction close to the fixed frame 2 to enable the rotating shaft 10 to rotate around the rotating rod 15, and the rotating shaft 10 is matched with the gap between the two limit blocks 14, when the pivot 10 enters into the gap between two stopper 14, one side lateral wall of table 3 will support on carousel 13, when one side carousel 13 of table 3 goes up, the rubber piece 43 of fixing on table 3 will contradict on mount 2, this rubber piece 43 can avoid table 3 and mount 2 direct contact, guarantee table 3 and mount 2's life, this rubber piece 43 carries out certain filling to the gap between table 3 and the mount 2 simultaneously, guarantee table 3's stationarity.

The support rod 31 is rotated, because the support rod 31 and the U-shaped rod 32 are connected through the connecting cylinder 33, the rotation of the support rod 31 drives the U-shaped rod 32 to rotate, when the outer wall of the support rod 31 is abutted against the side wall of the limiting groove 17, the rotation of the support rod 31 is stopped, then the distance between the support rod 31 and the U-shaped rod 32 is adjusted, the connecting cylinder 33 is rotated by hand, because the thread trend of the upper half part of the inner wall of the connecting cylinder 33 is opposite to the thread trend of the lower half part, and the support rod 31 and the U-shaped rod 32 are both in thread fit with the connecting cylinder 33, so that the connecting cylinder 33 is rotated, the distance between the support rod 31 and the U-shaped rod 32 is increased under the action of thread fit, when the connecting cylinder 33 is rotated reversely, the distance between the support rod 31 and the U-shaped rod 32 is reduced, when the distance between the support rod 31 and the two ends of the U-, can place article on the table 3, simultaneously can open placing object article with collapsible box 21 of placing as required, increase the space of placing of article, when carrying out the storage of table 3, pack up collapsible box 21 of placing earlier, pack up telescopic frame 18 afterwards, make telescopic frame 18 paste the one side at table 3, upwards lifting table 3 afterwards, thereby pivot 10 will follow the gap between two stopper 14 and come out, rotate table 3 again, make table 3 be in vertical state, promote slip ring 11, when slip ring 11 slides suitable position, stop slip ring 11, rotate table 3 at the level afterwards, the one end of table 3 will enter into the protruding portion of mount 2 this moment, accomplish the storage of table 3 this moment.

As shown in fig. 5 and 6, the folding placement box 21 includes side plates 34, a bottom plate 35 and a baffle plate 36, the side plates 34 are provided with two and the side plates 34 are symmetrically arranged on a side wall of the table 3 and the side plates 34 realize a rotation fit with the table 3 through hinges, the bottom plate 35 is connected with the side plates 34 through hinges, the baffle plate 36 is also connected with the side plates 34 through hinges, a first stopper 37 is fixed on the side plate 34, a second baffle plate 36 is fixed on the side plate 34, a first connecting hole 39 is formed in the bottom plate 35, a second connecting hole 40 is formed in the baffle plate 36, a first fixing bolt 41 in threaded fit with the second connecting hole 40 is arranged on the first stopper 37 in a penetrating manner, and a second fixing bolt 42 in threaded fit with the first connecting hole 39 is arranged on the second stopper 38 in a penetrating.

When the desk is used, the side plates 34 on two sides are placed in a state perpendicular to the desk plate 3, then the bottom plate 35 is rotated, one end of the bottom plate 35 is abutted against the second baffle plate 36, the first connecting hole 39 on the bottom plate 35 corresponds to the second fixing bolt 42 on the second baffle plate 36, the second fixing bolt 42 is rotated, the second fixing bolt 42 is in threaded fit with the first connecting hole 39, so that the second fixing bolt 42 enters the first connecting hole 39, the bottom plate 35 is fixed on the second baffle plate 38, then the baffle plate 36 is rotated, when one end of the baffle plate 36 is abutted against the first baffle plate 37, the rotation is stopped, the second connecting hole 40 on the baffle plate 36 corresponds to the first fixing bolt 41 penetrating through the first baffle plate 37, the first fixing bolt 41 is in threaded fit with the first connecting hole 39, so that the first fixing bolt 41 is rotated, the first fixing bolt 41 enters the second connecting hole 40, and the baffle plate 36 is fixed on the first baffle plate 37, the side panels 34, the baffle panels 36 and the bottom panel 35 define a chamber therebetween in which items may be placed.

As shown in fig. 2, the side walls of the table 3 are fixed with shock-absorbing pads 44, so that the collision between the periphery of the table 3 and the fixed frame 2 or the bed 1 can be reduced by the shock-absorbing pads 44, and the service life of the table 3 is ensured.

As shown in fig. 2, a notch 45 is formed in the side wall of one side of the table 3, and a level 46 is disposed in the notch 45, so that the table 3 can be kept in a horizontal state by the level 46, the table 3 is prevented from being in an inclined state, and the experience of a user is reduced.

As shown in fig. 2, a plurality of stopper plates 47 are provided on the upper end surface of the table 3, and the stopper plates 47 can prevent the articles on the table 3 from falling off the table 3.

Claims (9)

1. A movable table for a bed is characterized by comprising the bed (1), a fixed frame (2) and a table plate (3), wherein the fixed frame (2) is arranged above the bed (1), a telescopic rod (4) is arranged between the fixed frame (2) and the bed (1), one end of the telescopic rod (4) is fixedly connected with the fixed frame (2), one end, far away from the fixed frame (2), of the telescopic rod (4) and two ends of the fixed frame (2) are both fixedly provided with fixing devices, one side of the table plate (3) is fixedly provided with a supporting block (5), the supporting block (5) is provided with a groove (6), a short rod (7) in sliding fit with the groove (6) is arranged in the groove (6), two side walls of the groove (6) are both provided with rotating holes (8), one end of the short rod (7) is fixedly provided with a cross rod (9) in rotating fit with the rotating holes (8), a rotating shaft (10) which is in running fit with the short rod (7) is arranged at one end, far away from the cross rod (9), of the short rod (7), a sliding ring (11) which is in running fit with the fixing frame (2) is sleeved on the fixing frame (2), a rotating column is fixed on the sliding ring (11), a rotating disc (13) which is in running fit with the rotating column is sleeved on the rotating column, limiting blocks (14) are symmetrically fixed on the rotating disc (13), a rotating rod (15) which is fixed with the limiting blocks (14) is arranged between the two limiting blocks (14), a rotating block (16) is symmetrically fixed at one end, far away from the short rod (7), of the rotating shaft (10), and is in running fit with the rotating rod (15), a rotating block (16) is symmetrically fixed at one side, opposite to the supporting block (5), of the table board (3), and a limiting groove (17) is formed in the rotating block (16), table (3) are close to one side of turning block (16) is provided with telescopic support frame (18), the both ends of telescopic support frame (18) arrange in spacing groove (17), telescopic support frame's (18) both ends are fixed with change piece (19) just seted up on one side lateral wall of spacing groove (17) and have changeed hole (20), change piece (19) arrange in change in hole (20) and with it is normal running fit to change hole (20), one side of table (3) is fixed with the folding box (21) of placing.

2. The movable table for the bed as claimed in claim 1, wherein the fixing means comprises a plurality of concave blocks (22) and a fastening bolt (23), the concave blocks (22) are fixed at both ends of the fixed frame (2) and one end of the telescopic rod (4), a square block (24) is arranged in an opening of the concave block (22), the fastening bolt (23) passes through a plate block at one side of the opening of the concave block (22) to be rotatably connected with the square block (24), and the fastening bolt (23) is in threaded fit with the concave block (22).

3. The movable table for the bed as claimed in claim 2, wherein the telescopic rod (4) comprises a telescopic cylinder (25) and a connecting rod (26), the telescopic cylinder (25) is fixedly connected with the concave block (22), the connecting rod (26) is fixedly connected with the fixing frame (2), a plurality of fixing holes (27) are formed in the outer arc surface of the telescopic cylinder (25), a round hole (28) is formed in the connecting rod (26), a fixing block (29) matched with the fixing holes (27) is arranged in the round hole (28), a spring (30) is arranged in the round hole (28), and two ends of the spring (30) are fixedly connected with the side walls of the fixing block (29) and the round hole (28) respectively.

4. The movable table for the bed as claimed in claim 3, wherein the telescopic support frame (18) comprises a support rod (31) and a U-shaped rod (32), the support rod (31) is fixedly connected with the rotating block (19), a connecting cylinder (33) in threaded fit with the support rod (31) is sleeved outside one end of the support rod (31) far away from the rotating block (19), two ends of the U-shaped rod (32) are respectively inserted into the two connecting cylinders (33), two ends of the U-shaped rod (32) are in threaded fit with the connecting cylinders (33), and the thread direction of the upper half part of the inner wall of the connecting cylinder (33) is opposite to that of the lower half part.

5. The movable table for the bed as claimed in claim 4, wherein the folding placement box (21) comprises two side plates (34), a bottom plate (35) and a baffle plate (36), the side plates (34) are symmetrically arranged on the side wall of one side of the table plate (3), the side plates (34) are rotatably matched with the table plate (3) through hinges, the bottom plate (35) is connected with the side plates (34) on one side through hinges, the baffle plate (36) is connected with the side plates (34) on the other side through hinges, a first baffle block (37) is fixed on the side plate (34) on one side, a second baffle plate (36) is fixed on the side plate (34) on the other side, a first connecting hole (39) is formed in the bottom plate (35), and a second connecting hole (40) is formed in the baffle plate (36), the first stop block (37) is provided with a first fixing bolt (41) in threaded fit with the second connecting hole (40), and the second stop block (38) is provided with a second fixing bolt (42) in threaded fit with the first connecting hole (39).

6. A mobile table for beds according to claim 4 characterized in that a plurality of rubber blocks (43) are fixed to one side of the table (3).

7. A mobile table for beds according to claim 4 wherein the table (3) has shock absorbing pads (44) fixed to all the peripheral side walls.

8. A mobile table for beds according to claim 4, characterized in that a notch (45) is opened on one side wall of the table (3) and a level (46) is arranged in the notch.

9. A mobile table for beds according to claim 4 characterized in that the upper end of the table (3) is provided with a plurality of limit plates (47).

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