CN110141435A

CN110141435A - The effort-saving transmission device of nursing bed

Info

Publication number: CN110141435A
Application number: CN201810148303.6A
Authority: CN
Inventors: 赖振标; 赖婷玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-02-13
Filing date: 2018-02-13
Publication date: 2019-08-20
Also published as: WO2019157609A1

Abstract

A kind of effort-saving transmission device of nursing bed, transmission mechanism is driven including a power output shaft, first and second is respectively driven by transmission mechanism again and raises bar, and first, which raises bar, can drive a back adjustable shelf at an angle, and second, which raises bar, to be settled downwards with one leg exercise frame of synchronous drive；The present invention is that the transmission device use for being constituted lever principle has on nursing bed and saves force characteristic and operational convenience, and then directly carries out the movement of defecation on one's sick bed for patient, reaches the effect of patient takes care of oneself.

Description

The effort-saving transmission device of nursing bed

Technical field

The present invention is the effort-saving transmission device in relation to a kind of nursing bed, and espespecially a kind of with lever principle, having makes With the device for saving force characteristic.

Background technique

As gradually aging, many old man's diseases also increase TaiWan, China population therewith, and it is many it is handicapped, in Wind, brain lesions, nervous centralis are undermined paralysis or long-term laid-up people, all shortage ability to act, it is necessary to be lain in for a long time Nursing bed, therefore the movement of sufferer, need to be dependent on family members, nurse is assisted with large force, also result in family members, nurse and disease The inconvenience of trouble makes sufferer feel to lose honor in addition, sufferer solves the problems, such as excreta in family members or caregiver's auxiliary or has a bath Sternly, and give sufferer great psychological burden.

It is one kind disclosed by CN101912332A " automatic care bed " shown in Figure 1A and Figure 1B comprising: bed body 1, if In in the bed body a back movable plate 131, intermediate bed board 132, leg movements plate 133 and one be set to intermediate bed board 132 shield Manage hole 132a；In order to directly carry out the movement of defecation, the back movable plate 131 and leg movements plate on one's sick bed for patient 133 bottom must install actuator 131a, a 133a respectively, be jacked into state shown in Figure 1B.But it looks into, existing nursing Actuator 131a, 133a used in bed are mostly the modes that pneumatic cylinder directly drives, but this actuator 131a, 133a are located at 1 lower section of bed body, comes ejection back movable plate 131 and leg movements pole 133 in a manner of directly driving, very arduously, so system Kinetic force cannot be too small, in this way, not only power consumption, and actuator 133a is located at the bottom of leg movements plate 133, causes leg Movable plate 133 can only be jacked upwards and can not be settled downwards, therefore, kenel be used shown in Figure 1B, patient is with the nursing hole When 132a is drained, leg must be elevated, and in fact this posture is not very appropriate and comfortable, still there is improvement space.

The present inventor in view of operating beds missing, the phase can provide patient one it is practical nursing bed effort-saving transmission dress It sets, for the project of the invention to be solved.

Summary of the invention

Technical problem underlying to be solved by this invention is, overcomes drawbacks described above of the existing technology, and provides one The effort-saving transmission device of kind of nursing bed, is the transmission device of back adjustable shelf and leg exercise frame, with lever principle, With labour-saving characteristic is used, to reach easy to use and comfortable；It is with the manual and electronic dual function that can all operate with Effect.

The technical solution adopted by the present invention to solve the technical problems is:

A kind of effort-saving transmission device of nursing bed, comprising: the bedstead body of a nursing bed, the bedstead body is by an outline border and company Cuboid composed by several brackets between the outline border is connect, and defines longer direction as laterally, shorter direction is vertical To；One back adjustable shelf, including a backrest, the bottom of the backrest are connected on a first longitudinal direction shaft, the first longitudinal direction shaft It is equipped with one first and drives handle, two sides are hubbed between the outline border of the bedstead body with one first axle bed；One leg exercise frame, including two Parallel transverse link, the bottom of the transverse link are connected on a second longitudinal direction shaft, which is equipped with one Second drives handle, and two sides are hubbed on the bracket of the bedstead body with one second axle bed, and be set as can in the middle position of the transverse link The pivoted body of pivot, furthermore, which is equipped with several directly to support rod in the outside of the pivoted body；One control mechanism, It is located on the outline border of the bedstead body comprising: a) mono- first power output shaft of, the power output rod one end stretch through a third Axle bed, and it is equipped with one first follower；B) the hand drive handle of mono- first, be located on a tube body and can degree of doing rotation, and drive and one set One first driving wheel on tetra- axle bed of Yu Yi, which is meshed with first follower, by the wind Rotation, and then the power output shaft is driven to rotate；C) mono- motor of is fixed on the outline border with a plate, in the shaft of the motor Equipped with one second driving wheel；D) mono- second power output shaft of, is located on the outline border, which is provided with one second follower, with this Two driving wheels 441 are meshed, and second power output shaft corresponds to first power output shaft and is located on same axis； E) mono- first clutch of is axially disposed between first power output shaft and second power output shaft comprising a first set Pipe and one first spring are set on the end of first power output shaft, and the first sleeve can be in first power output shaft Upper sliding, furthermore the first sleeve in contrast to the other end of first spring, the first combined cover equipped with one with convex-concave surface, One second combined cover connects the end of second power output shaft, and is in be mutually clamped and can axially divide with first combined cover From state；F) mono- panel of is located above the first clutch, is equipped with a turn-button relative to first sleeve top, by The switch of the turn-button makes the first sleeve axial displacement, and then can control first combined cover and second combined cover, in mutual Engaging or discrete state；G) other end of first power output shaft stretches through one the 4th axle bed, and is equipped with a third driving wheel, And the third driving wheel be a bevel gear, a third follower be a bevel gear, be located at always to axis upper end and with this The engagement of third driving wheel, one the 4th driving wheel are a bevel gear, are located at this directly to axis bottom end；One transmission mechanism, is located at this On the front side outline border of bedstead body, comprising: a) mono- first drive rod of, the first drive rod one end stretch through one the 5th axle bed, and set Have one the 4th follower, the 4th follower is a bevel gear, and engage with the 4th driving wheel, first drive rod its separately One end stretches through one the 6th axle bed；B) mono- second drive rod of, coaxial with first drive rod and driven by it, this second is passed Lever one end stretches through one the 7th axle bed, and the other end stretches through one the 8th axle bed；C) mono- first driving portion of is located at first transmission On bar comprising one first pedestal stretches through for first drive rod, and first drive rod in the First body be equipped with one 5th driving wheel, furthermore the pedestal in be equipped with one perpendicular to first drive rod the 9th axle bed；D) mono- second clutch of, axis To being located between first drive rod and the second drive rod, to control first drive rod with the second drive rod in axially combined It interlocks or in axial separation state, it includes a third combined cover to the second clutch, be connected to the end of first drive rod, One second casing is set on the end of second drive rod, and second casing can slide on second drive rod, and one Four combined covers, connect second cannula tip, and with the third combined cover be in be mutually clamped and can axial separation state；One is sliding Block and second casing connection, a dragline, one end with the side for being scheduled on the 7th axle bed, and the core of the dragline stretch out this Seven axle beds are connected to the sliding block, and a second spring is set on the core, and axial with one to the sliding block and second casing Thrust, and then can control the 4th combined cover and the third combined cover, in be mutually clamped and can axial separation state；E) mono- Second driving portion is located on second drive rod comprising one second pedestal stretches through for second drive rod, and second biography Lever is equipped with one perpendicular to second drive rod in being equipped with one the 6th driving wheel in second pedestal in second pedestal Tenth axle bed；F) other end of the dragline is connected to a positioning block, and the core is connected to the bottom end of an operating stick, by the behaviour Pull the core as bar, to control the 4th combined cover and the third combined cover, in be mutually clamped and can axial separation shape State；One first raises bar, is driven by first drive rod, which is articulated in the of the back adjustable shelf One drives handle, and front end is internally threaded, and one first screw rod a part protrudes into this and first raises bar in screwing togather state, another part Stretch through the first axle bed of first driving portion, and end is equipped with one the 5th follower being meshed with the 5th driving wheel, with 5th driving wheel drives the 5th follower, and then first screw rod is driven to rotate, and so that this first is raised bar and is linearly displaced, uses To drive the back adjustable shelf in laid-flat status or start a tilt angle；One second raises bar, by the second drive rod institute band Dynamic, which is articulated in the second drive handle of the leg exercise frame, and front end is internally threaded, one second spiral shell Bar a part protrudes into this and second raises bar in screwing togather state, and another part stretches through the second axle bed of second driving portion, and end One the 6th follower being meshed equipped with one with the 6th driving wheel drives the 6th follower with the 6th driving wheel, and then drives Second screw rod rotation is moved, this is made second to raise bar and be linearly displaced, to drive the leg exercise frame laid-flat status or downwards Sedimentation.

Whereby, by the first clutch of the control mechanism, selection manually or electrically mode, enable the power output rod rotate into And first drive rod rotation is driven, and then this is driven first to raise bar linear displacement, drive the back adjustable shelf in laying flat State starts a tilt angle；Furthermore second drive rod and first drive rod are controlled in axial with the second clutch In conjunction with gearing, or it is in axial separation state, controls the leg exercise frame laid-flat status or downwards sedimentation, reach with the power Output rod can synchronous drive back adjustable shelf and leg exercise frame running.

The present invention is the transmission device constituted with lever principle, is used on nursing bed, has labour-saving Characteristic reaches using upper convenience, saves the energy and comfort, and then directly carries out the dynamic of defecation on one's sick bed for patient Make, to lower the burden of patient, promotes the convenience of patient's defecation, have and assisted without other people, reach the effect of patient takes care of oneself.

The invention has the advantages that it is the transmission device of back adjustable shelf and leg exercise frame, with lever original Reason has and uses labour-saving characteristic, to reach easy to use and comfortable；Its with it is manual and it is electronic can all operate with it is dual Effect.

Detailed description of the invention

Present invention will be further explained below with reference to the attached drawings and examples.

Figure 1A is a kind of perspective view of existing nursing bed.

Figure 1B is a kind of side view of existing nursing bed.

Fig. 2A is the perspective view of present pre-ferred embodiments, and display is squinted backward by left front.

Fig. 2 B is the perspective view of present pre-ferred embodiments, to rear strabismus before showing from the right side.

Fig. 3 is the perspective view of present pre-ferred embodiments, and display is squinted by bottom.

Fig. 4 is the perspective view of present pre-ferred embodiments, and display back adjustable shelf rises, and leg exercise frame sinks.

Fig. 5 is the top view of present pre-ferred embodiments.

Fig. 6 is the left side view of present pre-ferred embodiments.

Fig. 7 is the right side view of present pre-ferred embodiments.

Fig. 8 A is the drive mechanism perspective view of present pre-ferred embodiments, and display is squinted backward by left front.

Fig. 8 B is amplification stereogram shown in 8B in Fig. 8 A.

Fig. 8 C is amplification stereogram shown in 8C in Fig. 8 A.

Fig. 8 D is amplification stereogram shown in 8D in Fig. 8 A.

Fig. 8 E is amplification stereogram shown in 8E in Fig. 8 A.

Fig. 9 A is the drive mechanism perspective view of present pre-ferred embodiments, and display is squinted by bottom.

Fig. 9 B is amplification stereogram shown in 9B in Fig. 9 A.

Fig. 9 C is amplification stereogram shown in 9C in Fig. 9 A.

Fig. 9 D is amplification stereogram shown in 9D in Fig. 9 A.

Figure 10 A is the drive mechanism top view of present pre-ferred embodiments.

Figure 10 B is enlarged diagram shown in 10B in Figure 10 A.

Figure 10 C is the schematic diagram of clutch separation shown in Figure 10 B.

Figure 11 is use state of the present invention with reference to perspective view.

Figure 12 is use state of the present invention with reference to side view, and display patient is in the schematic diagram of sitting posture.

Figure label explanation:

10 bed bodies

11 outline borders

12 brackets

20 back adjustable shelfs

21 backrests

22 first longitudinal direction shafts

23 first drive handle

24 first axle beds

30 leg exercise frames

31 transverse links

311 pivoted bodies

312 support rods

32 second longitudinal direction shafts

33 second drive handle

34 second axle beds

40 control mechanisms

41 power output shafts

411 first followers

412 third driving wheels

42a third axle bed

The 4th axle bed of 42b

43 hand drive handles

431 tube bodies

432 first driving wheels

433 the 4th axle beds

44 motors

441 second driving wheels

442 plates

45 second power output shafts

451 second followers

46 first clutches

461 first sleeves

462 first springs

463 first combined covers

464 second combined covers

47 panels

471 turn-buttons

48 directly to axis

481 third followers

482 the 4th driving wheels

50 transmission mechanisms

The first drive rod of 51a

The second drive rod of 51b

511 the 4th followers

512 the 5th driving wheels

513 the 6th driving wheels

The 5th axle bed of 52a

The 6th axle bed of 52b

53 first driving portions

531 first pedestals

532 the 9th axle beds

54 second clutches

541 third combined covers

542 the 4th combined covers

543 second casings

544 sliding blocks

545 second springs

55 second driving portions

551 second pedestals

552 the tenth axle beds

The 7th axle bed of 56a

The 8th axle bed of 56b

561 sides

57 draglines

571 cores

572 locating pieces

58 operating sticks

581 axis bolts

59 positioning plates

591 L-shaped grooves

60 first raise bar

61 first screw rods

62 the 5th followers

63 screw threads

64 tail ends

70 second raise bar

71 second screw rods

72 the 6th followers

73 screw threads

74 tail ends

80 turn over top bracing mechanism

81 thirds raise bar

82 third screw rods

84 longitudinal rods

85 guide wheels

86 tube bodies

87 second hand drive handles

88 thirds drive handle

89 the 11st axle beds

The effort-saving transmission device of 90 nursing beds

10A foot prop

The back 20A pad

30A activity pad

100 nursing beds

Specific embodiment

Firstly, please refer to shown in Fig. 2A~Fig. 7, its preferred embodiment of the effort-saving transmission device 90 of nursing bed of the present invention, It include: the bedstead body 10 of a nursing bed, the bedstead body 10 is by an outline border 11 and the several brackets 12 being connected between the outline border 11 Composed cuboid, it is " transverse direction " that longer direction is defined in following embodiment, and shorter direction is " longitudinal direction ".

One back adjustable shelf 20, including a backrest 21, the bottom of the backrest 21 are connected on a first longitudinal direction shaft 22, should First longitudinal direction shaft 22 is equipped with one first and drives handle 23, and two sides are hubbed on the outline border 11 of the bedstead body 10 with one first axle bed 24 Between.

One leg exercise frame 30, including two parallel transverse links 31, the bottom of the transverse link 31 is connected to one On two longitudinal shafts 32, which is equipped with one second and drives handle 33, and two sides are hubbed on this with one second axle bed 34 On the bracket 12 of bedstead body 10, and the middle position of the transverse link 31 is set as pivotable pivoted body 311, furthermore, the transverse direction Connecting rod 31 is equipped with several directly to support rod 312 in the outside of the pivoted body 311.The function of the pivoted body 311 makes the transverse direction When connecting rod 31 sinks, as shown in figure 4, bending kenel is presented, and this directly on support rod 312 for pad installing (Fig. 4 do not show, It can refer in Figure 11 and Figure 12, shown in 30A).

One control mechanism 40, is located on the outline border 11 of the bedstead body 10, please cooperates simultaneously shown in Fig. 8 B and Fig. 9 B, packet Include: one first power output shaft 41,41 one end of power output rod stretch through a third axle bed 42a, and it is passive to be equipped with one first Wheel 411.One first hand drive handle 43 is located on a tube body 431 and can do 360 degree of rotations, and drives one to be set to one the 4th axle bed One first driving wheel 432 on 433, first driving wheel 432 are meshed with first follower 411, by the wind 43 Rotation, and then drive the power output shaft 41 rotate.One motor 44 is fixed on the outline border 11, the motor with a plate 442 44 shaft is equipped with one second driving wheel 441.One second power output shaft 45 is located on the outline border 11, which is provided with one Two followers 451 are meshed with second driving wheel 441, and second power output shaft 45 corresponds to first power output Axis 41 and be located at same axis on.One first clutch 46, is axially disposed at first power output shaft 41 and second power is defeated Between shaft 45 comprising a first sleeve 461 and one first spring 462 are set in the end of first power output shaft 41 On, and the first sleeve 461 can slide on first power output shaft 41, furthermore the first sleeve 461 in contrast to this first The other end of spring 462, equipped with one with convex-concave surface the first combined cover 463, one second combined cover 464, connect this second The end of power output shaft 45, and with first combined cover 463 be in be mutually clamped and can axial separation state.One panel 47, It is located at 46 top of first clutch, relative to a turn-button 471 is equipped with above the first sleeve 461, by the turn-button 471 Switch makes 461 axial displacement of first sleeve, and then can control first combined cover 463 and second combined cover 464, in mutual Engaging or discrete state.Please cooperate simultaneously shown in Fig. 8 C and Fig. 9 C, the other end of first power output shaft 41 stretches through one the 4th Axle bed 42b, and it is equipped with a third driving wheel 412, and the third driving wheel 412 is a bevel gear, a third follower 481 is also It for a bevel gear, is located at and is engaged to 48 upper end of axis and with the third driving wheel 412 always, one the 4th driving wheel 482 is one Bevel gear is located at this directly to 48 bottom end of axis.

One transmission mechanism 50, is located on the front side outline border 11 of the bedstead body 10 comprising:

One first drive rod 51a, the first drive rod 51a one end stretch through one the 5th axle bed 52a, and are equipped with one the 4th quilt Driving wheel 511, the 4th follower 511 are a bevel gear, and are engaged with the 4th driving wheel 482, first drive rod 51a its The other end stretches through one the 6th axle bed 52b.Please cooperate simultaneously shown in Fig. 8 D and Fig. 9 D, one second drive rod 51b, with first transmission Bar 51a is coaxial and is driven by it, which stretches through one the 7th axle bed 56a, and the other end stretches through one Eight axle bed 56b；One first driving portion 53 (shown in Fig. 8 C and Fig. 9 C), is located on first drive rod 51a comprising a First Body 531 stretches through for first drive rod 51a, and the first drive rod 51a in first pedestal 531 be equipped with one the 5th actively Wheel 512, furthermore a pedestal 531 in be equipped with one perpendicular to first drive rod 51a the 9th axle bed 532.One second clutch 54, it is axially disposed between the first drive rod 51a and the second drive rod 51b, is passed to control the first drive rod 51a and second Lever 51b is in axially combined gearing or is in axial separation state, please cooperates simultaneously shown in Figure 10 B and Figure 100, the second clutch 54 it include a third combined cover 541, be connected to the end of first drive rod 51a, one second casing 543 be set in this second On the end of drive rod 51b, and second casing 543 can slide on second drive rod 51b, one the 4th combined cover 542, even Connect 543 end of the second casing, and with the third combined cover 541 be in be mutually clamped and can axial separation state；One sliding block 544 It is connect with second casing 543, a dragline 57, one end of which is fixed on the sides 561 of the 7th axle bed 56a, and its core 571 is stretched The 7th axle bed 56a is connected to the sliding block 544 out, and a second spring 545 is set on the core 571, and to the sliding block 544 with Second casing 543 has an axial thrust, and then can control the 4th combined cover 542 and the third combined cover 541, in mutual Engage and can axial separation state.As shown in Fig. 8 D and Fig. 9 D, one second driving portion 55 is located on second drive rod 51b, It includes that one second pedestal 551 stretches through for second drive rod 51b, and the second drive rod 51b is in second pedestal 551 Equipped with one the 6th driving wheel 513, furthermore second pedestal 551 in be equipped with one perpendicular to second drive rod 51b the tenth axle bed 552；As illustrated in fig. 8e, the other end of the dragline 57 is connected to a positioning block 572, and core 571 is connected to an operating stick 58 Bottom end pulls the core 571 by the operating stick 58, is in phase to control the 4th combined cover 542 and the third combined cover 541 Mutually engaging and can axial separation state；In the present embodiment, the middle position of the operating stick 58 stretches through so that an axis bolt 581 is longitudinal, Make the operating stick 58 with 581 axle center of axis bolt and can front and back beat, to pull the core 571, and then control second clutch Device 54 is fixed on 11 surface of outline border of the bedstead body 10 in engaging or axial separation state and a positioning plate 59, this is fixed Position plate 59 is equipped with a L-shaped groove 591, protrudes out for the upper end of the operating stick 58, and can move in the L-shaped groove 591 Or blocking positioning.

One first raises bar 60, please cooperates simultaneously shown in Fig. 8 C and Fig. 9 C, is driven by first drive rod 51a, this What one tail end 64 for raising bar 60 was articulated in the back adjustable shelf 20 first drives handle 23, and front end is internally threaded 63, and one the One screw rod, 61 a part protrudes into this and first raises bar 60 in screwing togather state, and another part stretches through the first axle of first driving portion 53 Seat 532, and end is equipped with one the 5th follower 62 being meshed with the 5th driving wheel 512, with 512 band of the 5th driving wheel Dynamic 5th follower 62, and then first screw rod 61 is driven to rotate makes this first raise bar 60 and be linearly displaced, to drive this Back adjustable shelf 20 is in laid-flat status (as shown in Figure 2 A), or starts a tilt angle (as shown in Figure 4).

One second raises bar 70, please cooperates simultaneously shown in Fig. 8 D and Fig. 9 D, is driven by second drive rod 51b, this What two tail ends 74 for raising bar 70 were articulated in the leg exercise frame 30 second drives handle 33, and front end is internally threaded 73, and one the Two screw rods, 71 a part protrudes into this and second raises bar 70 in screwing togather state, and another part stretches through the second axis of second driving portion 55 Seat 552, and end is equipped with one the 6th follower 72 being meshed with the 6th driving wheel 513, with 513 band of the 6th driving wheel Dynamic 6th follower 72, and then second screw rod 71 is driven to rotate makes this second raise bar 70 and be linearly displaced, to drive this 30 laid-flat status of leg exercise frame (as shown in Figure 2 A), or sedimentation (as shown in Figure 4) downwards.

Whereby, by the first clutch 46 of the control mechanism 40, manually or electrically mode is selected, the power output rod 41 is enabled It rotates and then the first drive rod 51a is driven to rotate, and then this is driven first to raise 60 linear displacement of bar, drive the back living Moving frame 20 is in laid-flat status or starts a tilt angle；Furthermore it controls the second drive rod 51b with the second clutch 54 and is somebody's turn to do First drive rod 51a is in axially combined gearing, or is in axial separation state, controls 30 laid-flat status of leg exercise frame or downward Sedimentation, reaching can synchronous drive back adjustable shelf 20 and the leg exercise frame 30 running with the power output rod 41.

As shown in Fig. 8 A, Fig. 9 A, the invention also includes one to turn over top bracing mechanism 80, is located on the bedstead body 10 in longitudinal, And close to the position of the back adjustable shelf 20, which includes: that a third raises bar 81, is internally provided with screw thread； One third screw rod 82 protrudes into the third and raises bar 81 in the state that screws togather, and a part stretches out the third and raises bar 81；One transverse bar 83, two sides are hubbed on the bracket 12 of the bedstead body 10 with 1 the 11st axle bed 89；One longitudinal rod 84, perpendicular is located at the cross It is driven on bar 83 and by it, can be at leftward or rightward beat, and the longitudinal rod 84 is equipped with several guide wheels；One second is hand Handle 87 is driven, is located on a tube body 86 and can do 360 degree of rotations, and drive and raise 82 turns of the third screw rod in bar 81 set on third It is dynamic, and 81 linear displacement of bar is raised relative to the third；One third drives handle 88, and the transverse bar 83, bottom end pivot are fixed in the upper end It is connected to the outer end of the third screw rod 82 and is braked by it, to control the transverse bar 83 rotation, and then control the longitudinal rod 84 beats.In the present embodiment, which is equipped with guide wheel 85, when 84 beat of longitudinal rod.It is to utilize to be located at Guide wheel 85 on two ends raises the back pad 20A (shown in Figure 11) that bed board or mattress are constituted, and helps patient to turn over, has Laborsaving effect.

Figure 11, Figure 12 are a use states of the invention with reference to perspective view and side view, are that effort-saving of the invention passes Dynamic device 90 applies to the use aspect of a nursing bed 100.It installs several foot prop 10A in the bottom of the bedstead body 10, at this Back pad 20A, the installing activity pad 30A on leg exercise frame 30 are installed on back adjustable shelf 20, in this way, as figure Shown in 12, one is constituted for patient directly on one's sick bed at sitting posture, carries out the movement of defecation, to lower the burden of patient, promote The convenience of patient's defecation has and assists without other people, reaches the effect of patient takes care of oneself.As for the row for being located at 10 bottom of bedstead body Civilian dress sets (not shown), the patent purpose of non-present invention, and invention has been patented separately, therefore holds and do not repeat.

The main demand of the present invention is the technical characteristic of the effort-saving transmission device 90, by above-mentioned composition, using upper With following effect, hereby explanation is as after:

Firstly, the present invention gets rid of traditional hospital bed or nursing bed is in such a way that pneumatic cylinder directly drives, because directly to drive Dynamic mode comes ejection back movable plate 131 and leg movements plate 133, very laborious and power consumption, and actuator 133a is located at leg The bottom of portion's movable plate 133 causes leg movements plate 133 that can only jack and can not settle downwards upwards, therefore, shown in Figure 1B Using kenel, when patient is drained with nursing hole 132a, leg must be elevated, in fact this posture be not it is very appropriate and Comfortably.Reviewing the present invention is that can amplify input power using lever (lever) operating principle, provide biggish power output, thick stick The mechanical advantage of bar is the ratio of power output and input power, therefore has the function of " leverage ".Therefore the present invention only needs to use hand Rotate the first hand drive handle 43, it can first power output shaft 41 drives the transmission mechanism 50, then by the driver Structure 50 respectively drives this and first raises bar 60 and this second raises bar 70, this first raises bar 60, and the back can be driven movable Frame 20 is in laid-flat status or starts a tilt angle；This second raises bar 70, the leg exercise frame 30 can be laid flat with synchronous drive State or downwards sedimentation, the kind of drive of this lever principle have and use labour-saving characteristic, to reach easy to use and save The effect of energy.

Furthermore the present invention can use the first clutch 46 of the control mechanism 40, selection be will be manually operated this One hand drive handle 43, or the transmission mechanism 50 is driven to drive first power output shaft 41 with the motor 44.Therefore this Invention has the manual and electronic double effects that can all operate with.

Also, the present invention can use the second arrangement of clutch 54 of the transmission mechanism 50, it is controlled first drive rod 51a It is in axially combined gearing with the second drive rod 51b, or is in axial separation state.Also that is, working as 41 band of the first power output shaft When moving the transmission mechanism 50, the present invention can choose the second drive rod 51b whether will actuation synchronous with the first drive rod 51a, Namely whether the leg exercise frame 30 will interlock together with the back adjustable shelf 20.Therefore the present invention can be according to sick Man's Demands To control the activated position of the transmission mechanism 50.

Therefore, using on nursing bed, there is labour-saving characteristic, reaching makes for effort-saving transmission device is taken off in the present invention With convenience, save the energy and comfort, and then the movement of defecation is directly carried out on one's sick bed for patient, to lower disease The burden of people promotes the convenience of patient's defecation, has and assists without other people, reaches the effect of patient takes care of oneself.

The above described is only a preferred embodiment of the present invention, be not intended to limit the present invention in any form, it is all It is any simple modification, equivalent change and modification to the above embodiments according to the technical essence of the invention, still falls within In the range of technical solution of the present invention.

Claims

1. a kind of effort-saving transmission device of nursing bed characterized by comprising

The bedstead body of one nursing bed, bedstead body rectangle as composed by an outline border and the several brackets being connected between the outline border Body, and longer direction is defined as laterally, shorter direction is longitudinal；

One back adjustable shelf, including a backrest, the bottom of the backrest are connected on a first longitudinal direction shaft, the first longitudinal direction shaft It is equipped with one first and drives handle, two sides are hubbed between the outline border of the bedstead body with one first axle bed；

One leg exercise frame, including two parallel transverse links, the bottom of the transverse link is connected to a second longitudinal direction shaft On, which is equipped with one second and drives handle, and two sides are hubbed on the bracket of the bedstead body with one second axle bed, and should The middle position of transverse link is set as pivotable pivoted body, furthermore, which is equipped with number in the outside of the pivoted body It is a directly to support rod；

One control mechanism is located on the outline border of the bedstead body comprising:

A) mono- first power output shaft of, the power output rod one end stretch through a third axle bed, and are equipped with one first follower；

B) the hand drive handle of mono- first, be located on a tube body and can degree of doing rotation, and drive one be set on one the 4th axle bed one the One driving wheel, which is meshed with first follower, by the rotation of the wind, and then drives the power defeated Shaft rotation；C) mono- motor of is fixed on the outline border with a plate, and the shaft of the motor is equipped with one second driving wheel；

D) mono- second power output shaft of, is located on the outline border, which is provided with one second follower, with 441 phase of the second driving wheel Engagement, and second power output shaft corresponds to first power output shaft and is located on same axis；

E) mono- first clutch of is axially disposed between first power output shaft and second power output shaft comprising one Sleeve and one first spring are set on the end of first power output shaft, and the first sleeve can be defeated in first power It is slid on shaft, furthermore first knot of the first sleeve in contrast to the other end of first spring, equipped with one with convex-concave surface Trap, one second combined cover connect the end of second power output shaft, and with first combined cover in being mutually clamped and can axis To isolated state；

F) mono- panel of is located above the first clutch, relative to a turn-button is equipped with above the first sleeve, by this turn The switch of button makes the first sleeve axial displacement, and then can control first combined cover and second combined cover, in being mutually clamped Or discrete state；

G) other end of first power output shaft stretches through one the 4th axle bed, and is equipped with a third driving wheel, and the third is actively Wheel is a bevel gear, and a third follower is a bevel gear, is located at and nibbles to axis upper end and with the third driving wheel always It closes, one the 4th driving wheel is a bevel gear, is located at this directly to axis bottom end；

One transmission mechanism is located on the front side outline border of the bedstead body, comprising:

A) mono- first drive rod of, the first drive rod one end stretch through one the 5th axle bed, and are equipped with one the 4th follower, this Four followers are a bevel gear, and are engaged with the 4th driving wheel, its other end of first drive rod stretches through one the 6th axle bed；

B) mono- second drive rod of, coaxial with first drive rod and driven by it, which stretches through one 7th axle bed, the other end stretch through one the 8th axle bed；

C) mono- first driving portion of is located on first drive rod comprising and one first pedestal stretches through for first drive rod, And first drive rod in the First body be equipped with one the 5th driving wheel, furthermore the pedestal in be equipped with one perpendicular to this first pass 9th axle bed of lever；

D) mono- second clutch of is axially disposed between first drive rod and the second drive rod, to control first drive rod It in axially combined gearing or is in axial separation state with the second drive rod, it includes a third combined cover to the second clutch, even It connects in the end of first drive rod, one second casing is set on the end of second drive rod, and second casing can be It is slid on second drive rod, one the 4th combined cover, connects second cannula tip, and be in be mutually clamped with the third combined cover And can axial separation state；One sliding block and second casing connection, a dragline, one end of which is fixed on the sides of the 7th axle bed Side, and the core of the dragline stretches out the 7th axle bed and is connected to the sliding block, a second spring is set on the core, and to the cunning Block and second casing have an axial thrust, and then can control the 4th combined cover and the third combined cover, in being mutually clamped And can axial separation state；

E) mono- second driving portion of is located on second drive rod comprising and one second pedestal stretches through for second drive rod, And second drive rod is in being equipped with one the 6th driving wheel in second pedestal, furthermore be equipped in second pedestal one perpendicular to this Tenth axle bed of two drive rods；

F) other end of the dragline is connected to a positioning block, and the core is connected to the bottom end of an operating stick, is drawn by the operating stick Move the core, to control the 4th combined cover and the third combined cover, in be mutually clamped and can axial separation state；

One first raises bar, is driven by first drive rod, which is articulated in the back adjustable shelf First drives handle, and front end is internally threaded, and one first screw rod a part protrudes into this and first raises bar in screwing togather state, another portion Divide the first axle bed of first driving portion that stretches through, and end is equipped with one the 5th follower being meshed with the 5th driving wheel, The 5th follower is driven with the 5th driving wheel, and then first screw rod is driven to rotate, this is made first to raise bar and be linearly displaced, To drive the back adjustable shelf in laid-flat status or start a tilt angle；

One second raises bar, is driven by second drive rod, which is articulated in the leg exercise frame Second drives handle, and front end is internally threaded, and one second screw rod a part protrudes into this and second raises bar in screwing togather state, another portion Divide the second axle bed of second driving portion that stretches through, and end is equipped with one the 6th follower being meshed with the 6th driving wheel, The 6th follower is driven with the 6th driving wheel, and then second screw rod is driven to rotate, this is made second to raise bar and be linearly displaced, To drive the leg exercise frame laid-flat status or downwards sedimentation；

Whereby, by the first clutch of the control mechanism, manually or electrically mode is selected, enables power output rod rotation and then band First drive rod rotation is moved, and then this is driven first to raise bar linear displacement, drives the back adjustable shelf in laid-flat status Or start a tilt angle；Furthermore second drive rod is controlled with first drive rod 5 in axially combined with the second clutch It interlocks, or is in axial separation state, control the leg exercise frame laid-flat status or downwards sedimentation, reach with the power output Bar can synchronous drive back adjustable shelf and leg exercise frame running.

2. the effort-saving transmission device of nursing bed according to claim 1, which is characterized in that further include that machine is shored in a turn Structure is located on the bedstead body in longitudinal, and close to the position of the back adjustable shelf, which includes:

One third raises bar, is internally provided with screw thread；

One third screw rod protrudes into the third and raises bar in the state that screws togather, and a part stretches out the third and raises bar；

One transverse bar, two sides are hubbed on the bracket of the bedstead body with 1 the 11st axle bed；

One longitudinal rod, perpendicular is located on the transverse bar and is driven by it, can be at leftward or rightward beat, and the longitudinal rod It is equipped with several guide wheels；

One second hand drive handle is located on a tube body and can do 360 degree of rotations, and drives and raise the third spiral shell in bar set on third Bar rotation, and bar linear displacement is raised relative to the third；

One third drives handle, and the transverse bar is fixed in the upper end, and bottom end is articulated in the outer end of the third screw rod and is braked by it, To control transverse bar rotation, and then control the longitudinal rod beat.

3. the effort-saving transmission device of nursing bed according to claim 1, which is characterized in that the interposition of the operating stick Set, longitudinally stretched through with an axis bolt, make the operating stick with the axis bolt axle center and can front and back beat, to pull the core, in turn Second arrangement of clutch is controlled, in engaging or axial separation state and a positioning plate, is fixed on the outline border table of the bedstead body Face, the positioning plate are equipped with a L-shaped groove, protrude out for the upper end of the operating stick, and can move or determine in the L-shaped groove Position.