CN109315971B

CN109315971B - Multifunctional student bed

Info

Publication number: CN109315971B
Application number: CN201811177496.4A
Authority: CN
Inventors: 贾斯丽; 伍南辉; 笪献五
Original assignee: Hefei Spark Office Furniture Co ltd
Current assignee: Hefei Spark Office Furniture Co ltd
Priority date: 2018-10-10
Filing date: 2018-10-10
Publication date: 2020-10-30
Anticipated expiration: 2038-10-10
Also published as: CN109315971A

Abstract

The invention belongs to the technical field of furniture, and particularly relates to a multifunctional student bed which comprises bed legs, a bed frame, a bed board and a lifting unit, wherein the bed board is divided into movable parts and fixed parts along the length direction, the number of the movable parts is at least two, the fixed parts are positioned at the tail part of the bed, the movable parts and the fixed parts are connected in a hinged mode, and adjacent movable parts are connected through a first spring; the lifting unit comprises a driving spring, a rotary table, a driving gear, a worm gear, a lifting rod, a first gear, a connecting plate, a rocker, a fixed block, a limiting latch and an adjusting handle, and a groove is formed in the upper surface of the bedstead, close to the part of the bed head, along the length direction of the bedstead; the driving spring level sets up in the recess of bedstead, and the one end that driving spring is close to the head of a bed rotates installs at the recess lateral wall, and driving spring other end fixed mounting has the terminal surface of carousel. The invention can realize the free adjustment of the bed board according to the requirement.

Description

Multifunctional student bed

Technical Field

The invention belongs to the technical field of furniture, and particularly relates to a multifunctional student bed.

Background

More than one third of the life of a person is spent in bed, and with the continuous improvement of living standard, the requirements of the person on the bed are also improved. At present, the ordinary beds in dormitories of university and all dormitories of high school of the first high school of lodging are mostly double-layer bunk beds or single-layer beds, the beds are mostly formed by welding iron pipes, a transverse pipe is arranged at the position of the bed head of the bed, students often sit on the beds and lean against the transverse pipe of the bed head to read books or use notebooks and the like, and the transverse pipe is hard, so that the students are uncomfortable to lean against the bed, can only use a pillow cushion to lean against the bed after the students sit on the bed, and the pillows are unfixed, often sink after the students lean against the bed, and are inconvenient.

Disclosure of Invention

In order to make up the defects of the prior art, the invention provides a multifunctional student bed. The invention is mainly used for providing the multifunctional student bed capable of realizing the angle adjustment of the bed board. According to the invention, the bed board is provided with the movable parts and the fixed parts, the movable parts are connected with each other in a hinged manner, and the springs drive the worm gears to rotate by rotating the rocker arms, so that the lifting rods rotate, the bed board is jacked up by the lifting rods, and the bed board can be freely adjusted according to requirements; simultaneously, the length of each lifting rod can be finely adjusted by adjusting the adjusting screw sleeve, so that local uplifting or sinking of the bed board is realized, and diversified use requirements are met.

The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a multifunctional student bed, which comprises bed legs, a bed frame, a bed board and a lifting unit, wherein the bed board is divided into at least two movable parts and at least two fixed parts along the length direction, the fixed parts are positioned at the tail part of the bed, the fixed parts are fixedly connected with the bed frame, the movable parts and the fixed parts are connected in a hinged mode, and the adjacent movable parts are connected through a first spring; the lifting unit is used for realizing the jacking of the movable part and comprises a driving spring, a turntable, a driving gear, a worm gear, a lifting rod, a first gear, a connecting plate, a rocker, a fixed block, a limiting latch and an adjusting handle, and a groove is formed in the upper surface of the bedstead, close to the part of the bed head, along the length direction of the bedstead; the driving spring is horizontally arranged in the groove of the bed frame, one end of the driving spring, which is close to the bed head, is rotatably arranged on the side wall of the groove, and the other end of the driving spring is fixedly provided with the end surface of the turntable; the turntable is rotatably arranged in the groove through the bracket, and the other end face of the turntable is provided with a tooth-shaped structure; the driving gear is positioned on one side of the turntable, which is provided with a tooth-shaped structure, and is meshed with the tooth-shaped structure of the turntable; the upper end of the lifting rod is arranged at the hinged part of the adjacent movable part of the bed board in a hinged mode, the lifting rod is cut into two sections with the same length along the cross section, the two sections are respectively a first lifting rod and a second lifting rod, the lower end of the first lifting rod and the upper end of the second lifting rod are both fixedly provided with a first gear, the two first gears are meshed, the two first gears and the lifting rod are positioned on the same plane, one of the two gears is rotatably arranged on a connecting plate, the connection of the two sections of lifting rods is realized through the connecting plate, and the lower end of the second lifting rod is fixedly provided; the worm gear is rotatably arranged in a groove of the bedstead and meshed with the driving spring, and the lifting rod and the worm gear are positioned in the same vertical plane; the lower end of the rocker is rotatably arranged on the rotating shaft, one side surface of the rocker is contacted with the end surface of the driving gear, and the upper end of the rocker extends out of the bedstead; the fixed block is fixedly arranged on the end face of the rocker, which is in contact with the driving gear, is positioned above the driving gear, the bottom of the fixed block is upwards provided with a chute, and the upper surface of the fixed block is provided with a through hole communicated with the chute; the lower end of the adjusting handle penetrates through the through hole of the fixing block and is positioned in the sliding groove; the limiting latch is located in the sliding groove, the limiting latch is fixed at the lower end of the adjusting handle, the limiting latch can slide up and down along the sliding groove, a second spring is sleeved on the portion, located in the sliding groove, of the adjusting handle, the second spring is used for achieving connection of the limiting latch and the top of the sliding groove, the lower end of the limiting latch is arranged to be an inclined plane, and the limiting latch is clamped between adjacent teeth of the driving gear through the inclined plane at the lower end. When the bed plate needs to be lifted upwards, the rocker is swung back and forth, the rocker can only rotate in a single direction relative to the driving gear due to the existence of the limiting clamping teeth, the rocker swings back and forth to drive the driving gear to rotate, so that the driving gear rotates intermittently by swinging the rocker for many times, the driving gear rotates to drive the driving spring to rotate, the worm wheel meshed with the driving spring rotates, and the worm wheel drives the lifting rod to rotate synchronously, so that the bed plate is jacked; when needs drop the bed board, upwards mention the regulation handle and revolve self axis and rotate one hundred eighty degrees, when making to rotate the rocker once more, the rocker drives drive gear antiport when rotating in opposite direction to realize drive spring's reversal, the worm wheel drives the lifter and rotates and make the bed board descend, takes place folding between lifter one and the lifter two simultaneously, and final lifter one is folded together with the lifter and is become the level state and realize that the complete level of bed board is placed.

The first lifting rod is divided into two identical sections along the cross section, external threads are arranged at the divided parts of the first lifting rod, an adjusting threaded sleeve is arranged between the first lifting rod and the second lifting rod, the adjusting threaded sleeve is provided with internal threads, the first lifting rod and the second lifting rod are installed in the adjusting threaded sleeve in a threaded connection mode, the second lifting rod and the second lifting rod are also arranged into two identical sections, the two lifting rods and the second lifting rod are connected in a mode of adjusting threaded sleeves, and the adjusting threaded sleeve on the first lifting rod and the adjusting threaded sleeve on the second lifting rod are connected through a third spring. When the angle of one of the movable parts needs to be adjusted, one of the adjusting threaded sleeves is rotated, the lengths of the first lifting rod and the second lifting rod are synchronously changed through the connection of the third spring, and the angle of the movable part is adjusted.

The spring III is divided into two sections with the same length, and the two sections of springs III are connected through a connecting block; the connecting block is of a cylinder structure, the axis of the cylinder is parallel to the length direction of the spring III, the spring III is fixed on the upper end surface and the lower end surface of the connecting block, the outer surface of the connecting block is cut into two identical halves along a Z shape, the connecting block is made of plastic, and a cavity is formed in the connecting block; and magnetic fluid and magnetic particles are stored in the cavity. Design into two sections with spring three, spring three can bend smoothly when making lifter one accomplish folding with lifter two, it makes the regulation swivel nut rotate to avoid spring three because of the torsion that folding produced, lead to lifter one and lifter two length difference, thereby lifter one can't fold into the level with lifter two, lead to the unable level of setting, magnetic fluid and magnet granule are stored in the cavity of connecting block, when making spring three resume the straight line by the state of bending, two half connecting blocks can merge smoothly through magnetic attraction, thereby guaranteed that the torsion that spring three received can transmit smoothly through the connecting block when rotating the regulation swivel nut, realize the smooth regulation of lifter length.

The connecting part of the bed board between the adjacent movable parts is also provided with a corrugated pipe; the two ends of the corrugated pipe are respectively connected with the end face of the movable part in a sealing mode, and the corrugated pipe exceeds the upper surface of the movable part. When the movable part of the bed board is adjusted, the adjacent movable parts are extruded to move the inside of the corrugated pipe, and the concave-convex lines on the surface of the corrugated pipe can massage the back of a human body, so that the comfort is improved.

The movable part is internally provided with a gas storage cavity which is communicated with the interior of the corrugated pipe, and the upper surface of the movable part is provided with a gas outlet which is communicated with the gas storage cavity. The bellows produces compressed air when being compressed, and compressed air gets into the gas storage chamber and discharges from the venthole, has increased the air flow between bed board and the human back, has reduced breeding of bacterium.

The bottom of the groove is provided with an elastic air bag which is in contact with the driving spring; the air pillow is arranged on the movable part of the bed plate closest to the bed head; the air pillow is of a hemispherical shell structure and is made of PVC fabric, an air cavity is formed between the interior of the air pillow and the movable part, and the air cavity is connected with the elastic air bag through an air pipe; the upper surface of the movable part is provided with a circular truncated cone-shaped groove at the position of the air cavity, the bottom of the circular truncated cone-shaped groove is provided with a sliding groove communicated with the lower surface of the movable part, an air channel is arranged in the movable part, one end of the air channel is communicated with the side wall of the circular truncated cone-shaped groove, the other end of the air channel is communicated with the outer surface of the movable part, the air channel is used for deflating the air cavity, and a plug is arranged in the circular truncated cone-shaped groove; the plug is in a circular truncated cone shape, the upper surface of the plug is connected with the top of the air cavity through a spring IV, the plug is used for plugging the circular truncated cone-shaped groove, and a push rod is arranged in the sliding groove; the upper end of the push rod is fixedly connected with the lower end of the plug, and the push rod is used for pushing the plug out of the circular truncated cone-shaped groove. Drive spring produces the extrusion to elastic air bag when rotating, elastic air bag produces compressed air and pours into the air cavity of air pillow into through the trachea, the effect of headrest has been played, the travelling comfort is good, when the excessive needs of air discharge in the air pillow, sliding tray promotion push rod from the bed board lower surface makes the circular platform type recess of end cap and bed board break away from the contact, in the air cavity, gas outgoing is partly, loosen the push rod, under spring four's elastic force effect, the end cap is stopped up gas passage again, the storage of gas in the air pillow has been realized.

The invention has the following beneficial effects:

1. according to the multifunctional student bed, the bed board is provided with the movable parts and the fixed parts, the movable parts and the fixed parts are connected in a hinged mode, the springs drive the worm gears to rotate by rotating the rocking rods, so that the lifting rods rotate, the bed board is jacked up by the lifting rods, and the bed board can be freely adjusted according to needs; simultaneously, the length of each lifting rod can be finely adjusted by adjusting the adjusting screw sleeve, so that local uplifting or sinking of the bed board is realized, and diversified use requirements are met.

2. According to the multifunctional student bed, when the lifting rod is used for lifting the bed board, the movable parts are extruded to enable the interior of the corrugated pipe to move, concave-convex lines on the surface of the corrugated pipe can massage the back of a human body, and comfort is improved; meanwhile, compressed air generated when the corrugated pipe is compressed is discharged from the air outlet hole, so that air flow between the bed plate and the back of a human body is increased, breeding of bacteria is reduced, and the health of the human body is improved.

3. According to the multifunctional student bed, the elastic air bag is extruded when the driving spring rotates, so that the elastic air bag generates compressed air and is injected into the air cavity of the air pillow, the air pillow is injected with air to achieve the effect of a pillow, the air pillow can be deflated according to needs, the hardness degree and the height of the air pillow are changed, and the multifunctional student bed is suitable for different people.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is an enlarged view of a portion of the invention at A in FIG. 1;

FIG. 3 is a schematic view of the spring III of the present invention connected by a connecting block;

FIG. 4 is a right side view of the engagement of the drive gear of the present invention with the turntable;

in the figure: the bed comprises bed legs 1, a bed frame 2, a bed board 3, a lifting unit 4, a movable part 31, a fixing part 32, a driving spring 41, a rotary disc 42, a driving gear 43, a worm gear 44, a lifting rod 45, a first gear 46, a connecting plate 47, a rocker 48, a fixing block 51, a limiting latch 52, an adjusting handle 53, a groove 21, a first lifting rod 451, a second lifting rod 452, a sliding groove 511, an inclined plane 521, an adjusting screw sleeve 61, a third spring 62, a connecting block 63, a corrugated pipe 7, a gas storage cavity 311, a gas outlet 312, an elastic gas bag 8, a gas pillow 9, a gas cavity 91, a circular truncated cone-shaped groove 313, a gas channel 314, a plug 92 and a push.

Detailed Description

A multifunctional student bed according to an embodiment of the present invention will be described below with reference to fig. 1 to 4.

As shown in fig. 1, 2 and 4, the multifunctional student bed of the present invention comprises bed legs 1, a bed frame 2, a bed plate 3, and a lifting unit 4, wherein the bed plate 3 is divided into a movable portion 31 and a fixed portion 32 along a length direction, the number of the movable portion 31 is at least two, the fixed portion 32 is located at a tailstock portion, the fixed portion 32 is fixedly connected with the bed frame 2, the movable portion 31 and the fixed portion 32 are connected in a hinged manner, and adjacent movable portions 31 are connected by a first spring; the lifting unit 4 is used for lifting the movable part 31, the lifting unit 4 comprises a driving spring 41, a turntable 42, a driving gear 43, a worm gear 44, a lifting rod 45, a first gear 46, a connecting plate 47, a rocker 48, a fixed block 51, a limiting latch 52 and an adjusting handle 53, and a groove 21 is arranged on the upper surface of the bedstead 2 close to the part of the bed head along the length direction of the bedstead; the driving spring 41 is horizontally arranged in the groove 21 of the bed frame 2, one end of the driving spring 41 close to the bed head is rotatably arranged on the side wall of the groove 21, and the other end of the driving spring 41 is fixedly provided with the end surface of the turntable 42; the turntable 42 is rotatably arranged in the groove 21 through a support, and the other end face of the turntable 42 is provided with a tooth-shaped structure; the driving gear 43 is positioned on one side of the turntable 42 provided with a tooth-shaped structure, the driving gear 43 is meshed with the tooth-shaped structure of the turntable 42, and the driving gear 43 is rotatably arranged in the groove 21 through a rotating shaft; the upper end of the lifting rod 45 is arranged at the hinged part of the adjacent movable part 31 of the bed plate 3 in a hinged mode, the lifting rod 45 is cut into two sections with the same length along the cross section, the two sections are respectively a first lifting rod 451 and a second lifting rod 452, the lower end of the first lifting rod 451 and the upper end of the second lifting rod 452 are both fixedly provided with a first gear 46, the first gears 46 are meshed with each other, the first gears 46 and the lifting rod 45 are positioned on the same plane, the first gears 46 are rotatably arranged on a connecting plate 47, the connection of the two sections of lifting rods 45 is realized through the connecting plate 47, and the lower end of the second lifting rod 452 is fixedly provided with a; the worm gear 44 is rotatably arranged in the groove 21 of the bedstead 2, the worm gear 44 is meshed with the driving spring 41, and the lifting rod 45 and the worm gear 44 are positioned in the same vertical plane; the lower end of the rocker 48 is rotatably arranged on the rotating shaft, one side surface of the rocker 48 is contacted with the end surface of the driving gear 43, and the upper end of the rocker 48 extends out of the bedstead 2; the fixed block 51 is fixedly arranged on the end face of the rocker 48, which is in contact with the driving gear 43, the fixed block 51 is positioned above the driving gear 43, the bottom of the fixed block 51 is upwards provided with a chute 511, and the upper surface of the fixed block 51 is provided with a through hole communicated with the chute 511; the lower end of the adjusting handle 53 penetrates through a through hole of the fixing block 51 and is positioned in the sliding groove 511; the limiting latch 52 is located in the sliding groove 511, the limiting latch 52 is fixed at the lower end of the adjusting handle 53, the limiting latch 52 can slide up and down along the sliding groove 511, a second spring is sleeved on the portion, located in the sliding groove 511, of the adjusting handle 53, the second spring is used for achieving connection between the limiting latch 52 and the top of the sliding groove 511, the lower end of the limiting latch 52 is set to be an inclined surface 521, and the limiting latch 52 is clamped between adjacent teeth of the driving gear 43 through the inclined surface 521 at the lower end. When the bed plate 3 needs to be lifted upwards, the rocker 48 is swung back and forth, the rocker 48 can only rotate in a single direction relative to the driving gear 43 due to the existence of the limiting latch 52, the rocker 48 swings back and forth to drive the driving gear 43 to rotate, so that the driving gear 43 rotates intermittently by swinging the rocker 48 for many times, the driving gear 43 rotates to drive the driving spring 41 to rotate, the worm gear 44 meshed with the driving spring rotates, and the worm gear 44 drives the lifting rod 45 to rotate synchronously, so that the bed plate 3 is jacked up; when the bed plate 3 needs to be lowered, the adjusting handle 53 is lifted upwards and rotates one hundred eighty degrees around the axis of the adjusting handle, so that when the rocker 48 is rotated again, the rocker 48 drives the driving gear 43 to rotate reversely when rotating in the opposite direction, the driving spring 41 is rotated reversely, the worm gear 44 drives the lifting rod 45 to rotate, the bed plate 3 is lowered, meanwhile, the first lifting rod 451 and the second lifting rod 452 are folded, and finally, the first lifting rod 451 and the second lifting rod 452 are folded together to be in a horizontal state, so that the complete horizontal placement of the bed plate 3 is realized.

As shown in fig. 1, the first lifting rod 451 is divided into two identical sections along the cross section, the first lifting rod 451 is provided with an external thread at the divided part, an adjusting screw 61 is arranged between the first lifting rod 451 and the adjusting screw 61 is provided with an internal thread, the first lifting rod 451 is installed in the adjusting screw 61 through threaded connection, the second lifting rod 452 is also provided with two identical sections, the second lifting rod 452 is also connected with the second lifting rod 452 through the adjusting screw 61, and the adjusting screw 61 on the first lifting rod 451 is connected with the adjusting screw 61 on the second lifting rod 452 through a third spring 62. When the angle of one of the movable parts 31 needs to be adjusted, one of the adjusting screw sleeves 61 is rotated, the lengths of the first lifting rod 451 and the second lifting rod 452 are synchronously changed through the connection of the third spring 62, and the angle adjustment of the movable part 31 is realized.

As shown in fig. 1 and 3, the third spring 62 is divided into two sections with the same length, and the two sections of the third spring 62 are connected through a connecting block 63; the connecting block 63 is of a cylindrical structure, the axis of the cylinder is parallel to the length direction of the spring III 62, the spring III 62 is fixed on the upper end face and the lower end face of the connecting block 63, the connecting block 63 is cut into two identical halves on the outer surface along a Z shape, the connecting block 63 is made of plastic, and a cavity is formed in the connecting block 63; and magnetic fluid and magnetic particles are stored in the cavity. Design into two sections with spring three 62, spring three 62 can bend smoothly when making lifter one 451 accomplish folding with lifter two 452, it makes the regulation swivel nut 61 rotate to avoid spring three 62 because of the torsion that folding produced, lead to lifter one 451 and lifter two 452 length difference, thereby lifter one 451 and lifter two 452 can't fold into the level, lead to the bed board 3 can't be set level, it has magnetic current body and magnet granule to store in the cavity of connecting block 63, when making spring three 62 resume straight line by the state of bending, two half connecting blocks 63 can pass through the smooth mergence of magnetic attraction, thereby guaranteed that the torsion that spring three 62 received can pass through connecting block 63 smoothly when rotating regulation swivel nut 61, realize the smooth regulation of lifter 45 length.

As shown in fig. 1, the bed plate 3 is further provided with a corrugated pipe 7 at a connecting part between adjacent movable parts 31; two ends of the corrugated pipe 7 are respectively connected with the end face of the movable part 31 in a sealing way, and the corrugated pipe 7 exceeds the upper surface of the movable part 31. When the movable parts 31 of the bed plate 3 are adjusted, the adjacent movable parts 31 are extruded to enable the corrugated pipe 7 to move, concave-convex lines on the surface of the corrugated pipe 7 can massage the back of a human body, and the comfort is improved.

As shown in fig. 1, a gas storage cavity 311 is provided in the movable portion 31, the gas storage cavity 311 is communicated with the inside of the bellows 7, and a gas outlet 312 communicated with the gas storage cavity 311 is provided on the upper surface of the movable portion 31. The bellows 7 generates compressed air when compressed, and the compressed air enters the air storage cavity 311 and is discharged from the air outlet 312, so that the air flow between the bed plate 3 and the back of the human body is increased, and the breeding of bacteria is reduced.

As shown in fig. 1, the bottom of the groove 21 is provided with an elastic air bag 8, and the elastic air bag 8 is in contact with a driving spring 41; the air pillow 9 is arranged on the movable part 31 of the bed plate 3 closest to the bed head; the air pillow 9 is of a hemispherical shell structure, the air pillow 9 is made of PVC fabric, an air cavity 91 is formed between the interior of the air pillow 9 and the movable part 31, and the air cavity 91 is connected with the elastic air bag 8 through an air pipe; a truncated cone-shaped groove 313 is formed in the upper surface of the movable part 31 at the position of the air cavity 91, a sliding groove is formed in the bottom of the truncated cone-shaped groove 313 and communicated with the lower surface of the movable part 31, an air channel 314 is formed in the movable part 31, one end of the air channel 314 is communicated with the side wall of the truncated cone-shaped groove 313, the other end of the air channel 314 is communicated with the outer surface of the movable part 31, the air channel 314 is used for deflating the air cavity 91, and a plug 92 is arranged in the truncated cone-shaped groove 313; the plug 92 is in a circular truncated cone shape, the upper surface of the plug 92 is connected with the top of the air cavity 91 through a spring IV, the plug 92 is used for plugging the circular truncated cone-shaped groove 313, and a push rod 93 is arranged in the sliding groove; the upper end of the push rod 93 is fixedly connected with the lower end of the plug 92, and the push rod 93 is used for pushing the plug 92 out of the circular truncated cone-shaped groove 313. Drive spring 41 produces the extrusion to elastic air bag 8 when rotating, elastic air bag 8 produces compressed air and pours into the air cavity 91 of air pillow 9 into through the trachea in, the effect of headrest has been played, the travelling comfort is good, when the too much needs discharge in the air pillow 9, promote push rod 93 from the sliding tray of bed board 3 lower surface and make end cap 92 break away from the contact with the round platform type recess 313 of bed board 3, in the air cavity 91, the gas discharge is partly, loosen push rod 93, under spring four's elastic force effect, end cap 92 blocks up gas channel 314 again, the storage of gas in the air pillow 9 has been realized.

The specific process is as follows:

when the bed plate 3 needs to be lifted upwards, the rocker 48 is swung back and forth, the rocker 48 can only rotate in a single direction relative to the driving gear 43 due to the existence of the limiting latch 52, the rocker 48 swings back and forth to drive the driving gear 43 to rotate, so that the driving gear 43 rotates intermittently by swinging the rocker 48 for many times, the driving gear 43 rotates to drive the driving spring 41 to rotate, the worm gear 44 meshed with the driving spring rotates, and the worm gear 44 drives the lifting rod 45 to rotate synchronously, so that the bed plate 3 is jacked up; when the bed plate 3 needs to be lowered, the adjusting handle 53 is lifted upwards and rotates one hundred eighty degrees around the axis of the adjusting handle, so that when the rocker 48 is rotated again, the rocker 48 drives the driving gear 43 to rotate reversely when rotating in the opposite direction, the driving spring 41 is rotated reversely, the worm gear 44 drives the lifting rod 45 to rotate, the bed plate 3 is lowered, meanwhile, the first lifting rod 451 and the second lifting rod 452 are folded, and finally, the first lifting rod 451 and the second lifting rod 452 are folded together to be in a horizontal state, so that the complete horizontal placement of the bed plate 3 is realized.

When the angle of one of the movable parts 31 needs to be adjusted, one of the adjusting screw sleeves 61 is rotated, the lengths of the first lifting rod 451 and the second lifting rod 452 are synchronously changed through the connection of the third spring 62, and the angle adjustment of the movable part 31 is realized. Design into two sections with spring three 62, spring three 62 can bend smoothly when making lifter one 451 accomplish folding with lifter two 452, it makes the regulation swivel nut 61 rotate to avoid spring three 62 because of the torsion that folding produced, lead to lifter one 451 and lifter two 452 length difference, thereby lifter one 451 and lifter two 452 can't fold into the level, lead to the bed board 3 can't be set level, it has magnetic current body and magnet granule to store in the cavity of connecting block 63, when making spring three 62 resume straight line by the state of bending, two half connecting blocks 63 can pass through the smooth mergence of magnetic attraction, thereby guaranteed that the torsion that spring three 62 received can pass through connecting block 63 smoothly when rotating regulation swivel nut 61, realize the smooth regulation of lifter 45 length.

When the movable parts 31 of the bed plate 3 are adjusted, the adjacent movable parts 31 are extruded to enable the corrugated pipe 7 to move, concave-convex lines on the surface of the corrugated pipe 7 can massage the back of a human body, and the comfort is improved. The bellows 7 generates compressed air when compressed, and the compressed air enters the air storage cavity 311 and is discharged from the air outlet 312, so that the air flow between the bed plate 3 and the back of the human body is increased, and the breeding of bacteria is reduced.

Drive spring 41 produces the extrusion to elastic air bag 8 when rotating, elastic air bag 8 produces compressed air and pours into the air cavity 91 of air pillow 9 into through the trachea in, the effect of headrest has been played, the travelling comfort is good, when the too much needs discharge in the air pillow 9, promote push rod 93 from the sliding tray of bed board 3 lower surface and make end cap 92 break away from the contact with the round platform type recess 313 of bed board 3, in the air cavity 91, the gas discharge is partly, loosen push rod 93, under spring four's elastic force effect, end cap 92 blocks up gas channel 314 again, the storage of gas in the air pillow 9 has been realized.

While one embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various modifications can be made without departing from the scope of the present invention.

Industrial applicability

According to the invention, the bed board is provided with the movable parts and the fixed parts, the movable parts and the fixed parts are connected in a hinged manner, and the springs drive the worm gears to rotate by rotating the rocker so as to realize the rotation of the lifting rods, so that the lifting rods jack up the bed board, and the free adjustment of the bed board can be realized according to the requirement; can finely tune the length of each lifting rod through adjusting the regulation swivel nut simultaneously to realize the local uplift or the sunken of bed board, satisfied diversified user demand, thereby this multi-functional student bed is useful in the furniture field.

Claims

1. The utility model provides a multi-functional student bed, includes footpost (1), bedstead (2) and bed board (3), its characterized in that: the bed plate (3) is divided into movable parts (31) and fixed parts (32) along the length direction, the number of the movable parts (31) is at least two, the fixed parts (32) are positioned at the tail part of the bed, the fixed parts (32) are fixedly connected with the bed frame (2), the movable parts (31) and the fixed parts (32) are connected in a hinged mode, and adjacent movable parts (31) are connected through a first spring; the lifting unit (4) is used for jacking the movable part (31), the lifting unit (4) comprises a driving spring (41), a turntable (42), a driving gear (43), a worm gear (44), a lifting rod (45), a first gear (46), a connecting plate (47), a rocker (48), a fixing block (51), a limiting latch (52) and an adjusting handle (53), and a groove (21) is formed in the upper surface of the bedstead (2) close to the part of the bed head along the length direction of the bedstead; the driving spring (41) is horizontally arranged in the groove (21) of the bedstead (2), one end, close to the bed head, of the driving spring (41) is rotatably arranged on the side wall of the groove (21), and the other end of the driving spring (41) is fixedly provided with the end face of the turntable (42); the rotary table (42) is rotatably arranged in the groove (21) through a support, and the other end face of the rotary table (42) is provided with a tooth-shaped structure; the driving gear (43) is positioned on one side of the turntable (42) provided with a tooth-shaped structure, the driving gear (43) is meshed with the tooth-shaped structure of the turntable (42), and the driving gear (43) is rotatably arranged in the groove (21) through a rotating shaft; the upper end of the lifting rod (45) is arranged at the hinged part of the adjacent movable part (31) of the bed board (3) in a hinged mode, the lifting rod (45) is cut into two sections with the same length along the cross section, namely a first lifting rod (451) and a second lifting rod (452), the lower end of the first lifting rod (451) and the upper end of the second lifting rod (452) are both fixedly provided with a first gear (46), the first gears (46) are meshed with each other, the first gears (46) and the lifting rod (45) are positioned on the same plane, the first gears (46) are rotatably arranged on a connecting plate (47), the two sections of lifting rods (45) are connected through the connecting plate (47), and the lower end of the second lifting rod (452) is fixedly provided with a worm wheel (44); the worm gear (44) is rotatably arranged in the groove (21) of the bedstead (2), the worm gear (44) is meshed with the driving spring (41), and the lifting rod (45) and the worm gear (44) are positioned in the same vertical plane; the lower end of the rocker (48) is rotatably arranged on the rotating shaft, one side surface of the rocker (48) is contacted with the end surface of the driving gear (43), and the upper end of the rocker (48) extends out of the bed frame (2); the fixed block (51) is fixedly arranged on the end face, in contact with the driving gear (43), of the rocker (48), the fixed block (51) is located above the driving gear (43), a sliding groove (511) is formed in the bottom of the fixed block (51) in the upward direction, and a through hole communicated with the sliding groove (511) is formed in the upper surface of the fixed block (51); the lower end of the adjusting handle (53) penetrates through a through hole of the fixing block (51) and is positioned in the sliding groove (511); the limiting latch (52) is positioned in the sliding groove (511), the limiting latch (52) is fixed at the lower end of the adjusting handle (53), the limiting latch (52) can slide up and down along the sliding groove (511), a second spring is sleeved on the part, positioned in the sliding groove (511), of the adjusting handle (53), the second spring is used for achieving connection of the limiting latch (52) and the top of the sliding groove (511), the lower end of the limiting latch (52) is provided with an inclined surface (521), and the limiting latch (52) is clamped between adjacent teeth of the driving gear (43) through the inclined surface (521) at the lower end;

the connecting part of the bed plate (3) between the adjacent movable parts (31) is also provided with a corrugated pipe (7); two ends of the corrugated pipe (7) are respectively connected with the end face of the movable part (31) in a sealing manner, and the corrugated pipe (7) exceeds the upper surface of the movable part (31);

a gas storage cavity (311) is arranged in the movable part (31), the gas storage cavity (311) is communicated with the interior of the corrugated pipe (7), and a gas outlet (312) communicated with the gas storage cavity (311) is arranged on the upper surface of the movable part (31);

the bottom of the groove (21) is provided with an elastic air bag (8), and the elastic air bag (8) is in contact with a driving spring (41); the air pillow (9) is arranged on the movable part (31) of the bed plate (3) closest to the bed head; the air pillow (9) is of a hemispherical shell structure, the air pillow (9) is made of PVC fabric, an air cavity (91) is formed between the interior of the air pillow (9) and the movable part (31), and the air cavity (91) is connected with the elastic air bag (8) through an air pipe; a truncated cone-shaped groove (313) is formed in the upper surface of the movable portion (31) at the position of the air cavity (91), a sliding groove is formed in the bottom of the truncated cone-shaped groove (313) and communicated with the lower surface of the movable portion (31), an air channel (314) is formed in the movable portion (31), one end of the air channel (314) is communicated with the side wall of the truncated cone-shaped groove (313), the other end of the air channel (314) is communicated with the outer surface of the movable portion (31), the air channel (314) is used for deflating the air cavity (91), and a plug (92) is formed in the truncated cone-shaped groove (313); the plug (92) is in a circular truncated cone shape, the upper surface of the plug (92) is connected with the top of the air cavity (91) through a spring IV, the plug (92) is used for plugging the circular truncated cone-shaped groove (313), and a push rod (93) is arranged in the sliding groove; the upper end of the push rod (93) is fixedly connected with the lower end of the plug (92), and the push rod (93) is used for pushing the plug (92) out of the circular truncated cone-shaped groove (313).

2. A multi-functional student bed according to claim 1 wherein: the lifting rod I (451) is divided into two identical sections along the cross section, external threads are arranged at the divided parts of the two sections of lifting rods I (451), an adjusting threaded sleeve (61) is arranged between the two sections of lifting rods I (451), the adjusting threaded sleeve (61) is provided with internal threads, the two sections of lifting rods I (451) are installed in the adjusting threaded sleeve (61) through threaded connection, the two sections of lifting rods II (452) are also arranged into two identical sections, the two sections of lifting rods II (452) are connected in a mode of adjusting the threaded sleeve (61), and the adjusting threaded sleeve (61) on the lifting rod I (451) is connected with the adjusting threaded sleeve (61) on the lifting rod II (452) through a spring III (62).

3. A multi-functional student bed according to claim 2 wherein: the spring III (62) is divided into two sections with the same length, and the two sections of the spring III (62) are connected through a connecting block (63); the connecting block (63) is of a cylinder structure, the axis of the cylinder is parallel to the length direction of the spring III (62), the spring III (62) is fixed on the upper end face and the lower end face of the connecting block (63), the connecting block (63) is cut into two identical halves on the outer surface along a Z shape, the connecting block (63) is made of plastic, and a cavity is formed in the connecting block (63); and magnetic fluid and magnetic particles are stored in the cavity.