CN108309680A - A kind of intermittent chiropractic bed of sheave - Google Patents
A kind of intermittent chiropractic bed of sheave Download PDFInfo
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- CN108309680A CN108309680A CN201810073112.8A CN201810073112A CN108309680A CN 108309680 A CN108309680 A CN 108309680A CN 201810073112 A CN201810073112 A CN 201810073112A CN 108309680 A CN108309680 A CN 108309680A
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- bed
- overturning
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- 238000009232 chiropractic Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 32
- 230000009467 reduction Effects 0.000 claims abstract description 10
- 230000005540 biological transmission Effects 0.000 claims description 22
- 230000003287 optical effect Effects 0.000 claims description 19
- 239000000203 mixture Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 241001416181 Axis axis Species 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 10
- 230000009471 action Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 230000008569 process Effects 0.000 description 7
- 206010016256 fatigue Diseases 0.000 description 6
- 230000033001 locomotion Effects 0.000 description 4
- 238000004088 simulation Methods 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 238000001467 acupuncture Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 230000001568 sexual effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus ; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
- A61F5/0102—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations
- A61F5/0104—Orthopaedic devices, e.g. splints, casts or braces specially adapted for correcting deformities of the limbs or for supporting them; Ortheses, e.g. with articulations without articulation
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
- A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
- A61F5/042—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for extension or stretching
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H23/00—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms
- A61H23/02—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H7/00—Devices for suction-kneading massage; Devices for massaging the skin by rubbing or brushing not otherwise provided for
- A61H7/007—Kneading
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/01—Constructive details
- A61H2201/0119—Support for the device
- A61H2201/0138—Support for the device incorporated in furniture
- A61H2201/0142—Beds
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/12—Driving means
- A61H2201/1207—Driving means with electric or magnetic drive
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2205/00—Devices for specific parts of the body
- A61H2205/08—Trunk
- A61H2205/081—Back
Abstract
The invention discloses a kind of intermittent chiropractic beds of sheave.Existing massage machine the degree of automation is not high, needs that user oneself operates or other people assist, and greatly reduces experience effect.The present invention includes bed body, switching massage mechanism and driving mechanism.Switching massage mechanism includes switch boards, by knob pawl and pushes away waist component.Driving mechanism includes torsion shaft, three turning rods, by pinching cam, push away waist cam, sliding panel, clamping plate, driving leading screw, rack, driving motor, head of a bed overturning component, tailstock overturning component, roller gear, the first drive shaft, the second drive shaft, third drive shaft, the 4th drive shaft, primary speed-down component, double reduction component, bevel gear and sheave component；The present invention can fully automatically complete the backbone fatigue that user can be effectively relieved by pinching backbone and stretching the massaging action of backbone.
Description
Technical field
The invention belongs to chiropractic technical fields, and in particular to a kind of intermittent chiropractic bed of sheave.
Background technology
Today's society, most people cannot keep good sleeping position, sitting posture and walk appearance, this is with regard to causing the backbone of people to hold
Fatiguability.Backbone fatigue further causes uncomfortable.In the prior art, alleviate these uncomfortable methods, be to be massaged.It presses
The method of rubbing is mainly two kinds：First, manually massage the acupuncture point on human spine, with play alleviate physical fatigue or
The effect of local pain；Second is that being massaged by the devices such as towed massage bed and position unit of sexual massager.
The mode of manual massage can achieve the effect that it is good relieve fatigue, but cost of labor is higher, and massage person holds
Continuous massage is easy fatigue.Although mechanical massage removes high cost of labor from, but existing massage machine the degree of automation is not high,
It needs that user oneself operates or other people assist, greatly reduces experience effect.
Invention content
The purpose of the present invention is to provide a kind of intermittent chiropractic beds of sheave.
The present invention includes bed body, switching massage mechanism and driving mechanism.Translot is offered on the bed board of the bed body and is erected
Slot；The translot is arranged along the width direction of bed board；The vertical slot is arranged along the length direction of bed board.
The switching massage mechanism includes switch boards, by knob pawl and pushes away waist component.The switch boards and bed board structure
At the sliding pair slided along bed board width direction.The switch boards include integrally formed by pinch plate and pushing away back；By knob
Pawl includes limited block, paw slide bar, by pinching block and spring；The top of paw slide bar and the bottom surface of limited block are fixed；Two by pinching
The inner end of block constitutes revolute pair with limited block；Two are connect by spring with limited block by pinching block；N is shared by knob pawl
It is a, 1≤n≤15；N constitute sliding pair by the paw slide bar in knob pawl with by pinch plate.
The waist component that pushes away includes arc elastic piece, pushes away waist slide bar, jacking block, vibration motor and eccentric wheel.Arc elastic
The concave surface of piece is arranged upward；The both ends on arc elastic piece convex surface are fixed respectively with the both ends for pushing away back top surface；Arc elastic piece is convex
The center position in face is fixed with the top for pushing away waist slide bar；It pushes away waist slide bar and pushes away back and constitute sliding pair；Push away the bottom end of waist slide bar with
The top surface of jacking block is fixed；M vibration motor, 1≤m≤6 are fixed on the top surface of jacking block；The output shaft of m vibration motor is a with m
Eccentric wheel is eccentric fixed respectively；
The driving mechanism includes torsion shaft, three turning rods, by pinching cam, push away waist cam, sliding panel, clamping plate, drive
Dynamic leading screw, rack, driving motor, head of a bed overturning component, tailstock overturning component, roller gear, the first drive shaft, the second transmission
Shaft, third drive shaft, the 4th drive shaft, primary speed-down component, double reduction component, bevel gear and sheave component；Institute
The sliding panel stated constitutes the sliding pair slided along bed board length direction with bed board；The driving leading screw is supported on the bottom surface of bed board
On；The driving leading screw is driven by driving motor；Leading screw and the second nut is driven to constitute screw pair；Second nut and sliding panel
It is fixed.
The first drive shaft, the second drive shaft and third drive shaft along the setting of bed board width direction are supported on bed
Under plate.The 4th drive shaft being vertically arranged is supported under bed board.The rack is fixed with sliding panel.The rack with it is solid
The roller gear engagement being scheduled in the first rotation axis.The primary speed-down component include the first small pulley, the first big belt wheel and
First transmission belt.First small pulley is fixed on the first drive shaft.First big belt wheel is fixed on the second biography
On turn axis.First small pulley and the first big belt wheel pass through the first transmission band connection；The double reduction component includes second
Small pulley, the second big belt wheel and the second transmission belt.Second small pulley is fixed on the second drive shaft.Second big belt wheel is fixed on
On third drive shaft.Second small pulley and the second big belt wheel pass through the second transmission band connection；There are two the bevel gear is total.
One of bevel gear is fixed with third drive shaft.Another bevel gear and the bottom end of the 4th drive shaft are fixed.Two cones
Gear engages.
The sheave component includes active driver plate and sheave plate.4th drive shaft is fixed with active driver plate.Sheave plate
It is fixed with switch boards.Arc gap and a straight trough there are two being opened up on sheave plate.Straight trough is located between two arc gaps.Institute
The active driver plate stated is engaged with sheave plate, constitutes Geneva mechanism.The movement for the Geneva mechanism that active driver plate is constituted with sheave plate
Coefficient is x, and x is less than 1/5th.The radius of the active driver plate is y.
Z=2ysin (π x),
Wherein, z is the central point of arc elastic piece and the central axis of paw slide bar at a distance from bed board width direction.
The reference diameter of the roller gear is u.By pinching cam and just having detached by knob pawl near the head of a bed
Under state, it is s at a distance from jacking block is along bed board length direction to push away waist cam.The transmission ratio of primary speed-down component is p1, two level
The transmission ratio of reduction assemblies is p2。
It is described to be fixed on sliding panel by pinching cam；By pinch the working profile of cam by be sequentially connected updip line segment,
Upper tip circle arc and the line segment composition that has a down dip；Updip line segment and the line segment that has a down dip are into θ angle with horizontal plane, 20 °≤θ≤60 °.
Spaced two clamping plates are fixed with sliding panel；The waist cam that pushes away is arranged between two clamping plates；It pushes away
Waist cam is made of integrally formed first cam, the second cam and flipping block；First cam, the second cam are set respectively
It sets on two sides of flipping block；First cam is symmetrical about the plane of symmetry of two sides of flipping block with the second cam；Overturning
The fixation of block and torsion shaft.The axis of torsion shaft passes through the center of flipping block side；Torsion shaft is constituted with two clamping plates
Revolute pair.Three turning rods include the first T-bar, the second T-bar and third T-bar.First T-bar, the second T-bar
And the inner end of third T-bar is fixed with torsion shaft.First T-bar, the second T-bar, third T-bar along torsion shaft it is circumferential according to
It is secondary to be arranged at 60 °.The outer end of first T-bar, the second T-bar and third T-bar is both provided with overturning cross bar.Torsion shaft axis arrives
The spacing of three overturning cross bars is q.The length that cross bar is overturn on first T-bar is e；The length of cross bar is overturn on second T-bar
Degree is f；The length that cross bar is overturn on third T-bar is g, e ＜ f ＜ g.The working profile of first cam and the second cam by according to
Secondary the first connected oblique line section, evagination circular arc and the second oblique line section composition；The side of first oblique line section and flipping block is at α1Angle,
30°≤α1≤60°；The side of second oblique line section and flipping block is at α2Angle, 20 °≤α2＜ α1。
The head of a bed overturning component and tailstock overturning component includes the first overturning component, the second overturning component and third
Overturn component.First overturning component, the second overturning component and the third overturning component includes fixed block, locating piece and turns over
Flap.The bottom surface of the fixed block and bed board is fixed.Locating piece is fixed on fixed block.Returning face plate is hinged with fixed block.It turns over
T-shaped straight slot is offered on the side of flap.T-shaped straight slot is made of interior rectangular straight slot and outer rectangular straight slot.Outer rectangular straight slot
Inner end be connected to interior rectangular straight slot, outer end is connected to the one edge of returning face plate.
The groove width of rectangular straight slot is less than e inside and outside first overturning component, and second overturns the groove width of rectangular straight slot inside and outside component in e
To between f, groove width that third overturns rectangular straight slot inside and outside component is f between g, the first overturning component, the second overturning component and
Interior rectangular straight slot in third overturning component is all higher than g.
Head of a bed overturning component, tailstock overturning component and three turning rods are aligned in the width direction of bed board.The head of a bed is overturn
The first overturning component, the second overturning component, third overturning component are arranged in order setting along tailstock to the direction of the head of a bed in component.Bed
The first overturning component, the second overturning component, third overturning component are arranged in order along the head of a bed to the direction of tailstock in tail overturning component
Setting.Three locating pieces in head of a bed overturning component are located at corresponding returning face plate close to the side of the head of a bed.Tailstock overturns component
Three interior locating pieces are located at corresponding returning face plate close to the side of tailstock.
The opening direction of three T-shaped straight slots in head of a bed overturning component and three in tailstock overturning component are T-shaped logical
The opening direction of slot is opposite.The head of a bed overturns the junction of the outer rectangular straight slot of T-shaped straight slot in component, interior rectangular straight slot to overturning
The outer rectangular straight slot of T-shaped straight slot in vertical range and tailstock the overturning component of axis axis, interior rectangular straight slot junction to turning over
The vertical range of shaft axis is q.
It further includes torsional spring that tailstock, which overturns the first overturning component, the second overturning component and third overturning component in component,.
Torsion spring set is on the articulated shaft of corresponding fixed block and returning face plate.One end of torsional spring is fixed with corresponding fixed block, the other end with it is corresponding
Returning face plate is fixed.
Further, described by pinching cam and pushing away waist cam is translating cam；It is described by pinching on cam tip circle arc most
The vertical distance h=a+b of high point and updip line segment minimum point, wherein b is the thickness of bed board, a=10mm；Push away the rotation of waist cam
To the first cam and the second cam about horizontal plane it is symmetrical in the state of, evagination circular arc peak and the first oblique line section minimum point
Vertical distance s=b+c, wherein c=50mm；It is described higher a than the peak for pushing away waist cam by the peak for pinching cam.
Further, it is described slid into immediately below vertical slot by pinch plate in the state of, paw slide bar with by pinching cam position
It is corresponding；The back that pushes away slides into the state of translot underface, and it is corresponding with waist cam position is pushed away to push away waist slide bar.
Further, under original state, it is located at vertical slot close to the lower section at that end of tailstock by cam is pinched, pushes away first in waist cam
First oblique line section of cam and the second cam contour is close to, by cam side is pinched, the underface of vertical slot is located at by pinch plate,
By the peak of knob pawl at a distance from bed board bottom surface and arc elastic piece peak at a distance from bed board bottom surface be respectively less than or wait
In 3mm.
Further, the vertical slot is mutually perpendicular to translot, and vertical slot is passed through from the middle of translot；Vertical slot is located at bed
The center position of two length sides of plate；It is described to be aligned on bed board length direction with vertical slot by pinch plate；Back is pushed away with translot to exist
It is aligned on bed board length direction.
Further, the switching massage mechanism further includes switching optical axis；Two along the setting of bed board width direction are cut
Optical axis is changed to fix with switch boards；Two switching optical axises and two first straight line bearings respectively constitute sliding pair；Two first straight
The bottom surface that spool holds with bed board is fixed.
The driving mechanism further includes driving optical axis；Along bed body length direction setting two driving optical axises with sliding
Plate is fixed；Two driving optical axises and two second straight line bearings respectively constitute sliding pair；Two second straight line bearings are and bed board
Bottom surface fix；The both ends of the driving leading screw are supported on respectively on two bearing blocks；Two bearing blocks with the bottom surface of bed board
It is fixed；Driving motor is fixed with one of bearing block；The output shaft of driving motor and one end of driving leading screw are fixed.
Further, the bottom end of the paw slide bar is arc-shaped；The bottom surface of the jacking block is arc-shaped.The arc bullet
It is provided with massage block group on the concave surface of property piece；The massage block group is made of multiple massage blocks；The massage block is in hemisphere
Shape, and material uses rubber.
Further, the first lock-bit slot there are two being opened up on the medial surface of one of clamping plate.Two the first lock-bit slots are equal
It is fixed with lock-bit spring.The outer end of two lock-bit springs is fixed respectively with two lock-bit balls.Flipping block is close to the first lock-bit slot
That side is opened up there are two the second lock-bit slot.The central axis and torsion shaft axis of two the second lock-bit slots are in the same plane.
Two the first lock-bit slots and two the second lock-bit slots are centered on by torsion shaft axis on the cylindrical surface of axis.
The invention has the advantages that：
1, the design that the present invention passes through sheave component and overturning component so that the driving of two cams, the interval of switch boards
The overturning for moving, pushing away waist cam only relies on a motor and is driven, and cost is relatively low.
2, the present invention can fully automatically complete, by pinching backbone and stretching the massaging action of backbone, use can be effectively relieved
The backbone fatigue of person.
3, the present invention form a line by knob pawl upwards in turn by user's backbone is pinched by way of, simulation human hand according to
It is secondary by the process for pinching backbone, more approach the effect of manual massage, improve massage effect.
4, the present invention is by the reciprocating motion of translating cam, can either simulate first by the massaging action for pinching post-tensioning, and energy
By the massaging action pinched after enough simulations first stretching, the process of massage is enriched, the experience effect of user is improved.
5, the present invention is during stretching backbone, the fast speed for crossing reset of the speed of release, can real simulation people exist
The motion state in spinal procedure is stretched, massage effect is improved.
Description of the drawings
Fig. 1 is first overall structure diagram of the present invention；
Fig. 2 is second overall structure diagram of the present invention；
Fig. 3 is first combination diagram for switching massage mechanism and driving mechanism in the present invention；
Fig. 4 is second combination diagram for switching massage mechanism and driving mechanism in the present invention；
Fig. 5 is the combination upward view for switching massage mechanism and driving mechanism in the present invention；
Fig. 6 is the stereogram for switching massage mechanism in the present invention；
Fig. 7 is the schematic diagram of switch boards in the present invention；
Fig. 8 is the schematic diagram that knob pawl is pressed in the present invention；
Fig. 9 is the schematic diagram that waist component is pushed away in the present invention；
Figure 10 is the operating diagram that the head of a bed overturns component and three turning rods in the present invention；
Figure 11 is in the present invention by the schematic diagram for pinching cam；
Figure 12 is the schematic diagram that waist cam is pushed away in the present invention.
Specific implementation mode
Below in conjunction with attached drawing, the invention will be further described.
As illustrated in fig. 1 and 2, the intermittent chiropractic bed of a kind of sheave, including bed body 1, switching massage mechanism and driving machine
Structure.Translot 1-2 and vertical slot 1-1 are offered on the bed board of bed body 1.Translot is arranged along the width direction of bed board.Vertical slot is along bed board
Length direction is arranged.The height direction that the length direction behaviour of bed board lies on a bed.Vertical slot is mutually perpendicular to translot, and vertical slot from
The middle of translot passes through.Vertical slot is located at the center position of two length sides of bed board.Vertical slot, translot respectively with the backbone of user
Position and waist location correspond to.
As shown in Fig. 2,3,4,5,6 and 7, switching massage mechanism include switch boards 2, by knob pawl 3, push away waist component 4 and cut
Change optical axis 6.Switch boards 2 include integrally formed by pinch plate 2-1, link block 2-2 and pushing away back 2-3.By pinch plate 2-1 and push away back
2-3 is connected by link block 2-2.It is arranged along the length direction of vertical slot by pinch plate 2-1.Push away length directions of the back 2-3 along translot
Setting.It is aligned on bed board length direction with vertical slot by pinch plate 2-1.Back 2-3 is pushed away to be aligned on bed board length direction with translot.
Two switching optical axises 6 along the setting of bed board width direction are fixed with switch boards 2.Two switching optical axises 6 and two first straight lines
Bearing respectively constitutes sliding pair.Two first straight line bearings are fixed with the bottom surface of bed board.
Include limited block 3-1, paw slide bar 3-2, by pinching block 3-3 and bullet by knob pawl 3 as shown in Fig. 2,3,4,5,6 and 8
Spring 3-4.The top and the bottom surface of limited block 3-1 of paw slide bar 3-2 is fixed, and bottom end is arc-shaped.Two by the inner end for pinching block 3-3
Parallelism of common axes is constituted with limited block 3-1 in the revolute pair of bed board length sides.Two are in the shape of the letter V setting by pinching block 3-3.Two
It is a to be connect with limited block 3-1 by spring 3-4 by the middle part for pinching block 3-3.By knob pawl 3 altogether there are five.Five are pressed knob pawl 3
Interior paw slide bar 3-2 respectively constitutes sliding pair by pinching square hole with by five opened up on pinch plate 2-1.Five by pinching square hole
Edge is arranged in order setting by the length direction of pinch plate 2-1.Five limited block 3-1 are respectively positioned on the top by pinch plate 2-1.When paw is slided
To so that in the state of by the back for pinching block 3-3 contact users, two are carried on the back by block 3-3 is pinched in user bar 3-2 upward slidings
Compressed spring 3-4 under the blocking in portion.The elastic force of spring 3-4 so that two generate pressure by block 3-3 is pinched to the back of user.Two
It is a to be similar to two fingers by the back for pinching user by the process for pinching block 3-3 rotations, extruding user back, it can help to make
User's spinal relief.
As shown in Fig. 2,3,4,5,6,7 and 9, pushes away waist component 4 and include arc elastic piece 4-1, fixed link 4-2, push away waist slide bar
4-3, jacking block 4-4, vibration motor 4-5 and eccentric wheel 4-6.The concave surface of arc elastic piece 4-1 is arranged upward.Arc elastic piece 4-1
Concave surface on be provided with massage block group.Massage block group is made of multiple massage blocks.Massage block is hemispherical, and material uses rubber
Glue.The both ends on the convex surfaces arc elastic piece 4-1 are fixed by fixed link 4-2 respectively with the both ends for pushing away the top surfaces back 2-3.Arc elastic
The center position on the convex surfaces piece 4-1 is fixed with the top for pushing away waist slide bar 4-3.It pushes away waist slide bar 4-3 and is opened in the center for pushing away back 2-3
The waist square hole that pushes away of position constitutes sliding pair.The bottom end and the top surface of jacking block 4-4 for pushing away waist slide bar 4-3 are fixed.The top surface of jacking block 4-4
There are two vibration motor 4-5 for upper fixation.The bottom surface of jacking block 4-4 is arc-shaped.The output shaft of two vibration motor 4-5 and two are partially
Heart wheel 4-6 is eccentric fixed respectively.When pushing away waist slide bar 4-3 upward slidings, the middle part of arc elastic piece 4-1 will be pushed to transport upwards
It is dynamic so that arc elastic piece 4-1 deforms (from recessed upward convex transformation), and convex arc elastic piece 4-1 will raise use
The waist of person plays the role of stretching backbone.Vibration motor 4-5 cooperations eccentric wheel 4-6 can raise the same of user waist
When vibrations are provided, play the role of massage user waist.
As shown in Fig. 2,3,4,5 and 10, driving mechanism includes torsion shaft 5, three turning rods 7, by pinching, cam 8, to push away waist convex
Wheel 9, sliding panel 10, clamping plate 11, driving leading screw 12, rack 13, driving optical axis 14, driving motor 15, head of a bed overturning component 26, bed
Tail overturns component 27, roller gear 16, the first drive shaft 17, the second drive shaft 18, third drive shaft the 19, the 4th and is driven
Shaft 20, primary speed-down component 21, double reduction component 22, bevel gear 23 and sheave component.By pinching cam 8 and push away waist cam 9
It is translating cam.Two driving optical axises 14 along the setting of 1 length direction of bed body are fixed with sliding panel 10.Two driving optical axises
14 and two second straight line bearings respectively constitute sliding pair.Two second straight line bearings are fixed with the bottom surface of bed board.Drive silk
The both ends of thick stick 12 are supported on respectively on two bearing blocks.Two bearing blocks are fixed with the bottom surface of bed board.Driving motor 15 and its
In a bearing block fix.The output shaft of driving motor 15 and one end of driving leading screw 12 are fixed.Drive leading screw 12 and the second spiral shell
Mother constitutes screw pair.Second nut is fixed with sliding panel 10.
The first drive shaft 17, the second drive shaft 18 and third drive shaft 19 along the setting of bed board width direction prop up
It holds in the bottom of bed board.The 4th drive shaft 20 being vertically arranged is supported on the bottom of bed board.Rack 13 is fixed with sliding panel 10.
The length of rack 13 is equal to the length of driving optical axis 14.Rack 13 is engaged with the roller gear 16 being fixed in the first rotation axis.
Primary speed-down component 21 includes the first small pulley, the first big belt wheel and the first transmission belt.First small pulley is fixed on the first transmission
In shaft 17.First big belt wheel is fixed on the second drive shaft 18.First small pulley and the first big belt wheel pass through the first transmission
Band connection.Double reduction component 22 includes the second small pulley, the second big belt wheel and the second transmission belt.Second small pulley is fixed on
On two drive shafts 18.Second big belt wheel is fixed on third drive shaft 19.Second small pulley and the second big belt wheel pass through
Two transmission band connections.There are two bevel gear 23 is total.One of bevel gear 23 is fixed with third drive shaft 19.Another cone tooth
Wheel 23 and the bottom end of the 4th drive shaft 20 are fixed.Two bevel gears 23 engage.
Sheave component includes active driver plate 24 and sheave plate 25.4th drive shaft 20 is fixed with active driver plate 24.Sheave
Plate 25 is fixed with switch boards 2, i.e., sheave plate 25 is slided along bed board width direction jointly with switch boards 2.It is offered on sheave plate 25
Two arc gaps and a straight trough.Straight trough is located between two arc gaps.The diameter of arc gap is equal to active driver plate 24
Diameter.Arc gap is used to coordinate with active driver plate 24, realizes locking of the sheave plate 25 when not driven by active driver plate.It is main
Dynamic driver plate 24 is engaged with sheave plate 25, constitutes Geneva mechanism.The fortune for the Geneva mechanism that active driver plate 24 is constituted with sheave plate 25
Dynamic coefficient is x, and x is less than 1/5th.(kinematic coefficient of Geneva mechanism indicates when active driver plate 24 revolves one-turn, sheave plate
The ratio between the total time that 25 run duration circles with active driver plate 24.) active driver plate 24 radius be y.
Z=2ysin (π x),
Wherein, the central axis for the central point and paw slide bar 3-2 that z is arc elastic piece 4-1 is along bed board width direction
Distance.
The reference diameter of roller gear 16 is u, u=130mm.By pinch cam 8 with it is rigid by knob pawl 3 near the head of a bed
In the state of separation, push away waist cam 9 and jacking block 4-4 along bed board length direction at a distance from be s, s=180mm.Primary speed-down group
The transmission ratio of part 21 is p1, double reduction component 22 transmission ratio be p2。
As shown in Fig. 2,3,4,5,10 and 11, it is fixed on sliding panel 10 by cam 8 is pinched.By pinch 8 top surface of cam be used as by
Pinch 8 working profile of cam.Convex is presented by the working profile for pinching cam 8, by updip line segment 8-1, the upper tip circle arc being sequentially connected
8-2 and the line segment 8-3 compositions that have a down dip.Updip line segment 8-1 and the line segment 8-3 that has a down dip are arranged with horizontal plane angle at 45 °.Upper tip circle arc 8-
The vertical distance h=a+b of 2 peaks and updip line segment 8-1 minimum points, wherein b is the thickness of bed board, a=10mm.
As shown in Fig. 2,3,4,5,10 and 12, spaced two clamping plates 11 are fixed with sliding panel 10.It is arranged two
The waist cam 9 that pushes away between block clamping plate 11 is made of integrally formed first cam 9-1, the second cam 9-3 and flipping block 9-2.The
One cam 9-1, the second cam 9-3 are separately positioned on two sides of flipping block 9-2, and working profile is disposed opposite to each other.First
Cam 9-1 and the second cam 9-3 is symmetrical about the plane of symmetry of two sides flipping block 9-2.Flipping block 9-2 consolidates with torsion shaft 5
It is fixed.The axis of torsion shaft 5 passes through the center of the sides flipping block 9-2 and is parallel to bed board width direction.Torsion shaft 5 and two pieces
Clamping plate constitutes revolute pair by unilateral bearing.First lock-bit slot there are two being opened up on the medial surface of one of clamping plate.Two
First lock-bit slot is respectively and fixedly provided with lock-bit spring.The outer end of two lock-bit springs is fixed respectively with two lock-bit balls.Flipping block 9-2 is leaned on
That side of nearly first lock-bit slot is opened up there are two the second lock-bit slot.The central axis of two the second lock-bit slots and 5 axis of torsion shaft
Line is in the same plane.The central axis of two the second lock-bit slots is equal with the spacing of 5 axis of torsion shaft.Two the first lock-bit slots
And two the second lock-bit slots are centered on by torsion shaft axis on the cylindrical surface of axis.Circumferentially position corresponds to, therefore it is convex to push away waist
Wheel 9 often rotates 180 °, and it is primary (i.e. locking is primary) that two lock-bit balls are respectively clamped into the second lock-bit slot.
One end of torsion shaft 5 is stretched out outside one of clamping plate.Three turning rods 7 include the first T-bar, the second T-bar and
Third T-bar.The inner end of first T-bar, the second T-bar and third T-bar is fixed with torsion shaft 5.First T-bar, the 2nd T
Shape bar, third T-bar are circumferentially arranged at 60 ° successively.First T-bar, the second T-bar and third T-bar axis with overturning
5 axis of axis is vertical.The outer end of first T-bar, the second T-bar and third T-bar is both provided with overturning cross bar.Three overturning cross bars
Axis it is parallel with 5 axis of torsion shaft.The spacing of torsion shaft 5 axis to three overturning cross bars is q.First T-bar turns over
The length for turning cross bar is e；The length that cross bar is overturn on second T-bar is f；The length that cross bar is overturn on third T-bar is g, e ＜
F ＜ g.The working profile of first cam 9-1 and the second cam 9-3 be in outer gibbosity, by be sequentially connected the first oblique line section 9-4,
Evagination circular arc 9-5 and the second oblique line section 9-6 compositions.The side angle at 45 ° of first oblique line section 9-4 and flipping block 9-2.Second oblique line
The side of section 9-6 and flipping block 9-2 is at 30 ° of angles.Evagination circular arc 9-5 peaks and the first oblique line section 9-4 minimum points it is vertical away from
From s=b+c, wherein c=50mm.Push away that waist cam 9 turns to the first cam 9-1 and the second cam 9-3 is symmetrical about horizontal plane
It is higher a than the peak for pushing away waist cam 9 by the peak for pinching cam 8 under state.
It includes that the first overturning component, the second overturning component and third are turned over that the head of a bed, which overturns component 26 and tailstock overturning component 27,
Rotor element.First overturning component, the second overturning component and third overturning component include fixed block, locating piece and returning face plate.Gu
The bottom surface for determining block and bed board is fixed.Locating piece is fixed on fixed block.Returning face plate is hinged with fixed block.Returning face plate is being vertically arranged
In the state of contacted with locating piece.Locating piece makes returning face plate that can only be tilted to the side of not locating piece.The side of returning face plate
On offer T-shaped straight slot.T-shaped straight slot is made of interior rectangular straight slot and outer rectangular straight slot.The inner end of outer rectangular straight slot with it is interior
Rectangular straight slot is connected to, and outer end is connected to the one edge of returning face plate.The sides aligned parallel that returning face plate is connected to outer rectangular straight slot is in turning over
The articulated shaft axis of flap and fixed block.
The groove width of rectangular straight slot is less than e inside and outside first overturning component, and second overturns the groove width of rectangular straight slot inside and outside component in e
To between f, groove width that third overturns rectangular straight slot inside and outside component is f between g, the first overturning component, the second overturning component and
Interior rectangular straight slot in third overturning component is all higher than g.
Head of a bed overturning component 26, tailstock overturning component 27 and three turning rods 7 are aligned in the width direction of bed board, and bed
Head overturning component 26 is located at tailstock and overturns component 27 close to the side of the head of a bed.The head of a bed overturns the first overturning component, the in component 26
Two overturning components, third overturning component are arranged in order setting along tailstock to the direction spacing 100mm of the head of a bed.Tailstock overturns component 27
Interior first overturning component, the second overturning component, third overturning component are arranged in order to the direction spacing 100mm of tailstock along the head of a bed and set
It sets.Three locating pieces in head of a bed overturning component 26 are located at corresponding returning face plate close to the side of the head of a bed.Tailstock overturns component
Three locating pieces in 27 are located at corresponding returning face plate close to the side of tailstock.
The opening direction of three T-shaped straight slots in head of a bed overturning component 26 is arranged downward, and tailstock is overturn in component 27
The opening directions of three T-shaped straight slots be arranged upward.(opening direction of T-shaped straight slot is outer rectangular straight slot far from internal moment
The direction of shape straight slot.) head of a bed overturning component 26 spatial altitude higher than tailstock overturning component 27 spatial altitude.Head of a bed overturning group
The vertical range and tailstock of junction to the torsion shaft axis of the outer rectangular straight slot, interior rectangular straight slot of T-shaped straight slot are turned in part 26
Turn the outer rectangular straight slot of T-shaped straight slot in component 27, the junction of interior rectangular straight slot is to the vertical range of torsion shaft axis
q。
The first overturning component, the second overturning component and third overturning component in tailstock overturning component 27 further include turning round
Spring.Torsion spring set is on the articulated shaft of corresponding fixed block and returning face plate.One end of torsional spring is fixed with corresponding fixed block, the other end with it is right
Returning face plate is answered to fix.
In the state of being slid into immediately below vertical slot by pinch plate 2-1, paw slide bar 3-2 is corresponding with by 8 position of cam is pinched.This
When, it moves up and down by start pawl slide bar 3-2 of the horizontal slip band for pinching cam 8.It pushes away back 2-3 and slides into state immediately below translot
Under, it is corresponding with 9 position of waist cam is pushed away to push away waist slide bar 4-3.At this point, the horizontal sliding for pushing away waist cam 9 drives and pushes away waist slide bar 4-3 or more
Movement.
Under original state, it is located at vertical slot close to the lower section at that end of tailstock by cam 8 is pinched, pushes away the overturning of waist cam 9 to first convex
First oblique line section 9-4 of wheel 9-1 and the second cam 9-3 working profiles is close to, by 8 side of cam is pinched, by pinch plate 2-1 be located at perpendicular
The underface of slot pushes away 9 work of waist cam by high settings such as the minimum points of minimum point and paw slide bar 3-2 for pinching 8 working profile of cam
Make the minimum point of profile and push away the high settings such as minimum point of jacking block in waist component, by peak and the bed board bottom surface of knob pawl 3
Distance and arc elastic piece 4-1 peaks are respectively less than at a distance from bed board bottom surface or are equal to 3mm.
The massage method of the intermittent chiropractic bed of the sheave is as follows：
The upper bed board Step 1: user lies so that the backbone of user is located at the surface of vertical slot, and waist is located at translot
Surface.
Step 2: driving motor 15 rotate forward, sliding panel 10 to head of a bed direction slide, by pinch cam 8 successively pass through it is each by
Knob pawl 3.Since three turning rods 7 are moved to the head of a bed, therefore three turning rods 7 push three pieces of overturnings in tailstock overturning component 27
Plate rotates.Three turning rods 7 do not rotate.During pinching the process of cam 8 by knob pawl 3, by paw slide bar 3- in knob pawl 3
2 bottom end is contacted with by the working profile for pinching cam 8 so that by 3 upward sliding of knob pawl by the backbone for pinching user.And then it is real
Show from the bottom to top successively by the effect for pinching user's backbone.
By knob pawl 3 by the detailed process for pinching user's backbone：When by 3 upward sliding of knob pawl to by pinching block 3-3 contact
When the back of user, two by pinching block 3-3 compressed spring 3-4 under the blocking at user back.The elastic force of spring 3-4 makes
Two generate pressure by block 3-3 is pinched to the back of user.Two by the process class pinched block 3-3 rotations, squeeze user back
Two fingers are similar to by the back for pinching user, the locking backbone of user can be helped.
Step 3: when by cam 8 is pinched with just being detached by knob pawl 3 near the head of a bed, the round pin card on active driver plate
Enter in the straight trough on sheave plate.Active driver plate drives the sliding of sheave plate so that pushes away back 2-3 and is slided to the underface of translot.
Step 4: when pushing away back 2-3 and sliding into the underface of translot, the round pin on active driver plate is detached with sheave plate, is shaken
Dynamic motor 4-5 rotations, push away waist cam 9 and are contacted with the bottom surface for pushing away jacking block 4-4 in waist component 4 so that jacking block 4-4 pushes away waist slide bar
4-3 is moved upwards.During pushing away waist slide bar 4-3 upward slidings, arc elastic piece 4-1 deforms, arc elastic piece 4-1's
Middle part moves upwards.Convex arc elastic piece 4-1 raises the waist of user, plays the role of stretching backbone.Vibration motor
4-5 generates vibrations during rotating, and while the waist for raising user, passes through vibration massage function user waist.
Step 5: when the peak for pushing away waist cam 9 is contacted with the jacking block 4-4 pushed away in waist component 4, the waist of user is pushed away
To highest point.Later, waist slide bar 4-3 slide downwards are pushed away, the waist of user is gradually restored to normal condition.Due to the first oblique line
The angle of section 9-4 and horizontal plane is more than the angle of the second oblique line section and horizontal plane, therefore the speed that user waist is raised is more than
The speed that user waist falls meets the stretching waist action of " very fast to release, slowly to withdraw ".
Step 6: when pushing away waist cam 9 and just being detached with the jacking block 4-4 pushed away in waist component 4, three turning rods 7 are overturn with the head of a bed
First overturning component contact in component 26.The first T-bar in three turning rods 7 is against the returning face plate in the first overturning component
On.First T-bar rotation 60 ° after from first overturning component in returning face plate T-shaped straight slot in pass through.
Then, the second T-bar is against in head of a bed overturning component 26 on the returning face plate of second overturning component.Second T-bar exists
It overturns in component from second after 60 ° of rotation and passes through in the T-shaped straight slot of returning face plate.
Then, third T-bar is against in head of a bed overturning component 26 on the returning face plate of third overturning component.Third T-bar exists
It overturns in component from third after 60 ° of rotation and passes through in the T-shaped straight slot of returning face plate.
At this point, pushing away waist cam 9 completes 180 ° of overturnings, and it is locked up block locking.First cam 9-1 and the second cam 9-3 works
Make the first oblique line section 9-4 of profile far from by pinching 8 side of cam.
Step 7: driving motor 15 inverts, since three turning rods 7 are moved to tailstock, therefore three turning rods 7 push the head of a bed
Overturn three pieces of returning face plates rotation in component 26.Three turning rods 7 do not rotate.It pushes away waist cam 9 and pushes away jacking block 4-4 in waist component 4
Bottom contact so that jacking block 4-4 pushes away waist slide bar 4-3 and moves upwards.During pushing away waist slide bar 4-3 upward slidings, arc
Shape elastic piece 4-1 deforms, and is moved upwards in the middle part of arc elastic piece 4-1.Convex arc elastic piece 4-1 raises user
Waist, play the role of stretch backbone.
Step 8: when the peak for pushing away waist cam 9 is contacted with the jacking block 4-4 pushed away in waist component 4, the waist of user is pushed away
To highest point, later, waist slide bar 4-3 slide downwards are pushed away, the waist of user is gradually restored to normal condition.Due to the first oblique line
The angle of section 9-4 and horizontal plane is more than the angle of the second oblique line section and horizontal plane, therefore the speed that user waist is raised is more than
The speed that user waist falls meets the stretching waist action of " very fast to release, slowly to withdraw ".
Step 9: when pushing away waist cam 9 and just being detached with the jacking block 4-4 pushed away in waist component 4, the round pin card entry slot on active driver plate
In straight trough on wheel plate.Active driver plate drives the sliding of sheave plate so that is slided to the underface of vertical slot by pinch plate 2-1.
Step 10: when sliding into the underface of vertical slot by pinch plate 2-1, the round pin on active driver plate is detached with sheave plate, sliding
Movable plate 10 to tailstock direction slide, by pinch cam 8 successively pass through it is each by knob pawl 3.Pass through by knob pawl 3 by cam 8 is pinched
In the process, contacted with by the working profile for pinching cam 8 by the bottom end of paw slide bar 3-2 in knob pawl 3 so that by knob pawl 3 to
Upper sliding is by the backbone for pinching user.And then it realizes from top to bottom successively by the effect for pinching user's backbone.
Step 11: when by cam is pinched with just being detached by knob pawl near tailstock, three turning rods 7 are turned over tailstock
Turn the first overturning component contact in component 27.The first T-bar in three turning rods 7 is against in tailstock overturning component 27 and first turns over
On the returning face plate of rotor element.First T-bar rotation 60 ° after from first overturning component in returning face plate T-shaped straight slot in pass through.
Then, the second T-bar is against in tailstock overturning component 27 on the returning face plate of second overturning component.Second T-bar exists
It overturns in component from second after 60 ° of rotation and passes through in the T-shaped straight slot of returning face plate.
Then, third T-bar is against in tailstock overturning component 27 on the returning face plate of third overturning component.Third T-bar exists
It overturns in component from third after 60 ° of rotation and passes through in the T-shaped straight slot of returning face plate.
At this point, pushing away waist cam 9 completes 180 ° of overturnings, and it is locked up block locking.First cam 9-1 and the second cam 9-3 works
The the first oblique line section 9-4 for making profile is close to by pinching 8 side of cam.
Step 12: repeating Step 2: three, four, five, six, seven, eight, nine, ten and 11.
Claims (8)
1. a kind of intermittent chiropractic bed of sheave, including bed body, switching massage mechanism and driving mechanism；It is characterized in that：Institute
It states and offers translot and vertical slot on the bed board of bed body；The translot is arranged along the width direction of bed board；The vertical slot is along bed
The length direction of plate is arranged；
The switching massage mechanism includes switch boards, by knob pawl and pushes away waist component；The switch boards constitute edge with bed board
The sliding pair of bed board width direction sliding；The switch boards include integrally formed by pinch plate and pushing away back；By knob pawl packet
Include limited block, paw slide bar, by pinching block and spring；The top of paw slide bar and the bottom surface of limited block are fixed；Two by pinching block
Inner end constitutes revolute pair with limited block；Two are connect by spring with limited block by pinching block；Shared n by knob pawl, 1≤
n≤15；N constitute sliding pair by the paw slide bar in knob pawl with by pinch plate；
The waist component that pushes away includes arc elastic piece, pushes away waist slide bar, jacking block, vibration motor and eccentric wheel；Arc elastic piece
Concave surface is arranged upward；The both ends on arc elastic piece convex surface are fixed respectively with the both ends for pushing away back top surface；Arc elastic piece convex surface
Center position is fixed with the top for pushing away waist slide bar；It pushes away waist slide bar and pushes away back and constitute sliding pair；Push away bottom end and the jacking block of waist slide bar
Top surface fix；M vibration motor, 1≤m≤6 are fixed on the top surface of jacking block；The output shaft of m vibration motor is eccentric with m
Wheel is eccentric fixed respectively；
The driving mechanism include torsion shaft, three turning rods, by pinch cam, push away waist cam, sliding panel, clamping plate, driving silk
Thick stick, rack, driving motor, head of a bed overturning component, tailstock overturning component, roller gear, the first drive shaft, the second transmission turn
Axis, third drive shaft, the 4th drive shaft, primary speed-down component, double reduction component, bevel gear and sheave component；It is described
Sliding panel and bed board constitute the sliding pair slided along bed board length direction；The driving leading screw is supported on the bottom surface of bed board；
The driving leading screw is driven by driving motor；Leading screw and the second nut is driven to constitute screw pair；Second nut is solid with sliding panel
It is fixed；
The first drive shaft, the second drive shaft and third drive shaft along the setting of bed board width direction are supported on bed board
Under；The 4th drive shaft being vertically arranged is supported under bed board；The rack is fixed with sliding panel；The rack and fixation
Roller gear engagement in the first rotation axis；The primary speed-down component includes the first small pulley, the first big belt wheel and the
One transmission belt；First small pulley is fixed on the first drive shaft；First big belt wheel is fixed on the second transmission
In shaft；First small pulley and the first big belt wheel pass through the first transmission band connection；The double reduction component includes second small
Belt wheel, the second big belt wheel and the second transmission belt；Second small pulley is fixed on the second drive shaft；Second big belt wheel is fixed on
On three drive shafts；Second small pulley and the second big belt wheel pass through the second transmission band connection；There are two the bevel gear is total；Its
In a bevel gear fixed with third drive shaft；Another bevel gear and the bottom end of the 4th drive shaft are fixed；Two cone teeth
Wheel engagement；
The sheave component includes active driver plate and sheave plate；4th drive shaft is fixed with active driver plate；Sheave plate with cut
Plate is changed to fix；Arc gap and a straight trough there are two being opened up on sheave plate；Straight trough is located between two arc gaps；Described
Active driver plate is engaged with sheave plate, constitutes Geneva mechanism；The kinematic coefficient for the Geneva mechanism that active driver plate is constituted with sheave plate
It is less than 1/5th for x, x；The radius of the active driver plate is y；
Z=2ysin (π x),
Wherein, z is the central point of arc elastic piece and the central axis of paw slide bar at a distance from bed board width direction；
The reference diameter of the roller gear is u；By pinch cam near the state of the head of a bed just detached by knob pawl
Under, it is s at a distance from jacking block is along bed board length direction to push away waist cam；The transmission ratio of primary speed-down component is p1, double reduction
The transmission ratio of component is p2；
It is described to be fixed on sliding panel by pinching cam；By pinch the working profile of cam by be sequentially connected updip line segment, upper top
Circular arc and the line segment composition that has a down dip；Updip line segment and the line segment that has a down dip are into θ angle with horizontal plane, 20 °≤θ≤60 °；
Spaced two clamping plates are fixed with sliding panel；The waist cam that pushes away is arranged between two clamping plates；It is convex to push away waist
Wheel is made of integrally formed first cam, the second cam and flipping block；First cam, the second cam are separately positioned on
On two sides of flipping block；First cam is symmetrical about the plane of symmetry of two sides of flipping block with the second cam；Flipping block with
The fixation of torsion shaft；The axis of torsion shaft passes through the center of flipping block side；Torsion shaft constitutes rotation with two clamping plates
It is secondary；Three turning rods include the first T-bar, the second T-bar and third T-bar；First T-bar, the second T-bar and
The inner end of three T-bars is fixed with torsion shaft；First T-bar, the second T-bar, third T-bar along torsion shaft circumferential direction successively at
60 ° of settings；The outer end of first T-bar, the second T-bar and third T-bar is both provided with overturning cross bar；Torsion shaft axis is to three
The spacing for overturning cross bar is q；The length that cross bar is overturn on first T-bar is e；The length of overturning cross bar is on second T-bar
f；The length that cross bar is overturn on third T-bar is g, e ＜ f ＜ g；The working profile of first cam and the second cam is by phase successively
The first oblique line section even, evagination circular arc and the second oblique line section composition；The side of first oblique line section and flipping block is at α1Angle, 30 °≤α1
≤60°；The side of second oblique line section and flipping block is at α2Angle, 20 °≤α2＜ α1；
The head of a bed overturning component and tailstock overturning component includes the first overturning component, the second overturning component and third overturning
Component；First overturning component, the second overturning component and the third overturning component includes fixed block, locating piece and overturning
Plate；The bottom surface of the fixed block and bed board is fixed；Locating piece is fixed on fixed block；Returning face plate is hinged with fixed block；Overturning
T-shaped straight slot is offered on the side of plate；T-shaped straight slot is made of interior rectangular straight slot and outer rectangular straight slot；Outer rectangular straight slot
Inner end is connected to interior rectangular straight slot, and outer end is connected to the one edge of returning face plate；
The groove width of rectangular straight slot is less than e inside and outside first overturning component, and second overturns the groove width of rectangular straight slot inside and outside component in e to f
Between, groove width that third overturns rectangular straight slot inside and outside component is f between g, the first overturning component, the second overturning component and third
Interior rectangular straight slot in overturning component is all higher than g；
Head of a bed overturning component, tailstock overturning component and three turning rods are aligned in the width direction of bed board；The head of a bed overturns component
Interior first overturning component, the second overturning component, third overturning component are arranged in order setting along tailstock to the direction of the head of a bed；Tailstock turns over
Turn the first overturning component in component, the second overturning component, third overturning component and is arranged in order setting to the direction of tailstock along the head of a bed；
Three locating pieces in head of a bed overturning component are located at corresponding returning face plate close to the side of the head of a bed；Tailstock overturns three in component
A locating piece is located at corresponding returning face plate close to the side of tailstock；
The opening direction and three T-shaped straight slots in tailstock overturning component that the head of a bed overturns three T-shaped straight slots in component
Opening direction is opposite；The head of a bed overturns the junction of the outer rectangular straight slot of T-shaped straight slot in component, interior rectangular straight slot to torsion shaft axis
The outer rectangular straight slot of T-shaped straight slot in vertical range and tailstock the overturning component of line, interior rectangular straight slot junction to torsion shaft
The vertical range of axis is q；
It further includes torsional spring that tailstock, which overturns the first overturning component, the second overturning component and third overturning component in component,；Torsional spring
It is sleeved on the articulated shaft of corresponding fixed block and returning face plate；One end of torsional spring is fixed with corresponding fixed block, the other end and corresponding overturning
Plate is fixed.
2. the intermittent chiropractic bed of a kind of sheave according to claim 1, it is characterised in that：It is described by pinch cam and
It is translating cam to push away waist cam；It is described by the vertical distance h=a for pinching tip circle arc peak and updip line segment minimum point on cam
+ b, wherein b is the thickness of bed board, a=10mm；Pushing away waist cam, to turn to the first cam symmetrical about horizontal plane with the second cam
In the state of, the vertical distance s=b+c of evagination circular arc peak and the first oblique line section minimum point, wherein c=50mm；It is described to press
The peak for pinching cam is higher a than the peak for pushing away waist cam.
3. the intermittent chiropractic bed of a kind of sheave according to claim 1, it is characterised in that：Described is slided by pinch plate
In the state of immediately below to vertical slot, paw slide bar is corresponding with by cam position is pinched；The back that pushes away slides into immediately below translot
In the state of, it is corresponding with waist cam position is pushed away to push away waist slide bar.
4. the intermittent chiropractic bed of a kind of sheave according to claim 1, it is characterised in that：Under original state, by pinching
Cam is located at vertical slot close to the lower section at that end of tailstock, pushes away the first oblique line of the first cam and the second cam contour in waist cam
Section is close to, by cam side is pinched, the underface of vertical slot is located at by pinch plate, by the peak of knob pawl at a distance from bed board bottom surface
And arc elastic piece peak is respectively less than at a distance from bed board bottom surface or is equal to 3mm.
5. the intermittent chiropractic bed of a kind of sheave according to claim 1, it is characterised in that：The vertical slot and translot
It is mutually perpendicular to, and vertical slot is passed through from the middle of translot；Vertical slot is located at the center position of two length sides of bed board；It is described by pinching
Plate is aligned with vertical slot on bed board length direction；Back is pushed away to be aligned on bed board length direction with translot.
6. the intermittent chiropractic bed of a kind of sheave according to claim 1, it is characterised in that：The switching massager
Structure further includes switching optical axis；Two switching optical axises along the setting of bed board width direction are fixed with switch boards；Two switching optical axises
Sliding pair is respectively constituted with two first straight line bearings；Two first straight line bearings are fixed with the bottom surface of bed board；
The driving mechanism further includes driving optical axis；Two driving optical axises along the setting of bed body length direction are consolidated with sliding panel
It is fixed；Two driving optical axises and two second straight line bearings respectively constitute sliding pair；Two second straight line bearings with the bottom of bed board
Face is fixed；The both ends of the driving leading screw are supported on respectively on two bearing blocks；Two bearing blocks are fixed with the bottom surface of bed board；
Driving motor is fixed with one of bearing block；The output shaft of driving motor and one end of driving leading screw are fixed.
7. the intermittent chiropractic bed of a kind of sheave according to claim 1, it is characterised in that：The bottom of the paw slide bar
End is arc-shaped；The bottom surface of the jacking block is arc-shaped；It is provided with massage block group on the concave surface of the arc elastic piece；Described
Massage block group is made of multiple massage blocks；The massage block is hemispherical, and material uses rubber.
8. the intermittent chiropractic bed of a kind of sheave according to claim 1, it is characterised in that：One of clamping plate it is interior
First lock-bit slot there are two being opened up on side；Two the first lock-bit slots are respectively and fixedly provided with lock-bit spring；The outer end of two lock-bit springs
It is fixed respectively with two lock-bit balls；Flipping block is opened up close to that side of the first lock-bit slot there are two the second lock-bit slot；Two
The central axis and torsion shaft axis of two lock-bit slots are in the same plane；The central axis of two the second lock-bit slots and torsion shaft axis
The spacing of line is equal；Two the first lock-bit slots and two the second lock-bit slots centered on by torsion shaft axis axis cylindrical surface
On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810073112.8A CN108309680B (en) | 2018-01-25 | 2018-01-25 | Grooved wheel intermittent type spine massage bed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810073112.8A CN108309680B (en) | 2018-01-25 | 2018-01-25 | Grooved wheel intermittent type spine massage bed |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109363904A (en) * | 2018-11-26 | 2019-02-22 | 合肥工业大学 | A kind of strong Lumbar back with multiple movement |
| CN109512622A (en) * | 2018-11-20 | 2019-03-26 | 河南省中医院（河南中医药大学第二附属医院） | Department of anesthesia uses auxiliary fixture |
| CN110200778A (en) * | 2019-06-27 | 2019-09-06 | 河南省中医院（河南中医药大学第二附属医院） | spinal radian adjusting device |
| CN111358639A (en) * | 2020-03-17 | 2020-07-03 | 吉林大学 | Uropoiesis is nursing equipment for surgery convenient to adjust |
| CN111658462A (en) * | 2020-06-15 | 2020-09-15 | 河南省人民医院 | Neurosurgery is with postoperative care rehabilitation device |
| CN111840042A (en) * | 2020-07-22 | 2020-10-30 | 温州医科大学 | Multifunctional bed for old people to live at home |
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| JP2001314471A (en) * | 2000-05-02 | 2001-11-13 | Daito Denki Kogyo Kk | Roller massage mechanism and massager with the same built-in |
| US20040158176A1 (en) * | 2003-01-29 | 2004-08-12 | Joon Park | Hot acupressure and massage machine |
| CN205083949U (en) * | 2015-10-29 | 2016-03-16 | 边红超 | Massage bed |
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| JP2001314471A (en) * | 2000-05-02 | 2001-11-13 | Daito Denki Kogyo Kk | Roller massage mechanism and massager with the same built-in |
| US20040158176A1 (en) * | 2003-01-29 | 2004-08-12 | Joon Park | Hot acupressure and massage machine |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109512622A (en) * | 2018-11-20 | 2019-03-26 | 河南省中医院（河南中医药大学第二附属医院） | Department of anesthesia uses auxiliary fixture |
| CN109512622B (en) * | 2018-11-20 | 2020-08-11 | 河南省中医院（河南中医药大学第二附属医院） | Department of anesthesia uses auxiliary fixture |
| CN109363904A (en) * | 2018-11-26 | 2019-02-22 | 合肥工业大学 | A kind of strong Lumbar back with multiple movement |
| CN110200778A (en) * | 2019-06-27 | 2019-09-06 | 河南省中医院（河南中医药大学第二附属医院） | spinal radian adjusting device |
| CN110200778B (en) * | 2019-06-27 | 2021-02-12 | 河南省中医院（河南中医药大学第二附属医院） | Spinal radian adjusting device |
| CN111358639A (en) * | 2020-03-17 | 2020-07-03 | 吉林大学 | Uropoiesis is nursing equipment for surgery convenient to adjust |
| CN111658462A (en) * | 2020-06-15 | 2020-09-15 | 河南省人民医院 | Neurosurgery is with postoperative care rehabilitation device |
| CN111658462B (en) * | 2020-06-15 | 2022-05-06 | 河南省人民医院 | Neurosurgery is with postoperative care rehabilitation device |
| CN111840042A (en) * | 2020-07-22 | 2020-10-30 | 温州医科大学 | Multifunctional bed for old people to live at home |
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