CN110339013A - A kind of head self-clamping module for head fixing device - Google Patents
A kind of head self-clamping module for head fixing device Download PDFInfo
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- CN110339013A CN110339013A CN201910697632.0A CN201910697632A CN110339013A CN 110339013 A CN110339013 A CN 110339013A CN 201910697632 A CN201910697632 A CN 201910697632A CN 110339013 A CN110339013 A CN 110339013A
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- head
- bracket
- clamping module
- fixing device
- clamping
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- 241000826860 Trapezium Species 0.000 claims abstract description 24
- 239000006260 foam Substances 0.000 claims description 10
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 3
- 210000003128 head Anatomy 0.000 description 76
- 238000003745 diagnosis Methods 0.000 description 14
- 208000012886 Vertigo Diseases 0.000 description 11
- 231100000889 vertigo Toxicity 0.000 description 11
- 238000010586 diagram Methods 0.000 description 10
- 238000002560 therapeutic procedure Methods 0.000 description 10
- 210000002480 semicircular canal Anatomy 0.000 description 7
- 230000003028 elevating effect Effects 0.000 description 6
- 230000007246 mechanism Effects 0.000 description 4
- 230000001720 vestibular Effects 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 230000002146 bilateral effect Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 206010029864 nystagmus Diseases 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 208000002173 dizziness Diseases 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000638 stimulation Effects 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 206010047348 Vertigo positional Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 201000000691 benign paroxysmal positional nystagmus Diseases 0.000 description 1
- 208000001870 benign paroxysmal positional vertigo Diseases 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000008034 disappearance Effects 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000004886 head movement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000033001 locomotion Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 210000003949 semicircular duct Anatomy 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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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
- 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
- A61H2201/0149—Seat or chair
-
- 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
- A61H2201/0192—Specific means for adjusting dimensions
-
- 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
- A61H2201/16—Physical interface with patient
- A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
- A61H2201/1604—Head
- A61H2201/1607—Holding means therefor
Abstract
The present invention discloses a kind of head self-clamping module for head fixing device, and the head self-clamping module includes head rest bracket, and the head rest bracket is connect by clamping hinge with headrest support；The head self-clamping module further includes trapezoidal nut and symmetric trapezium screw rod；The head rest bracket is connect with trapezoidal nut shaft, and the trapezoidal nut and the symmetric trapezium lead screw meshing spiral are driven；Head self-clamping module adapts to the crowd of different head size, is convenient for immobilized patients head.
Description
Technical field
The present invention relates to a kind of head self-clamping modules for head fixing device, are mainly used in vertigo diagnosis and therapy system
Safety seat, be related to benign paroxysmal positional vertigo disease diagnosis and treatment instrument field and other medical treatment for needing to keep head position
Instrument field.
Background technique
Vestibular is the major organs of total balance of the body, and the important feature that head position transformation is experienced in vestibular is semicircular canal, half
It regulates and is divided into horizontal semicircular canal, canalis semicircularis anterior and posterior semicircular duct, plane where three is mutually perpendicular to, induction Different Plane head position
Set change.When human posture changes, stimulus intensity suffered by different semicircular canals is different, when bilateral stimulation imbalance, meeting
There is nystagmus, nystagmus direction is towards suffered strong stimulation side.So rotated by the acceleration or deceleration to different semicircular canal planes,
Corresponding semicircular canal can be stimulated, therefore in the acceleration or deceleration rotation for carrying out different directions, Different Plane, by nystagmus
It checks, it is known that the equilibrium condition of bilateral vestibular function and corresponding semicircular canal function situation；And vertigo diagnosis and therapy system
Safety seat is the device for doing semicircular canal Function detection for fixing human and then assessing vestibular function.Vertigo diagnosis and therapy system
Main diagnosis and treatment principle is can to make the positional of most patients by changing human posture and the acceleration different to human body
Vertigo symptoms obtain clinical cure, during changing human body human posture, if the relative position of human body head and body
The meeting that changes generates extreme influence to the medical treatment result of vertigo.
As Chinese patent CN2018205086303 discloses a kind of dizziness diagnosis and therapy system armchair structure, including seat and from
Pivoted frame, seat are fixed on from pivoted frame, and a plurality of bandage is arranged on seat, and seat has two groups of pressure shoulder plate units, pressure by back
Scapulet unit includes pressure shoulder plate and up and down adjustment sliding block, by back have with the one-to-one up and down adjustment sliding slot of pressure shoulder plate, on
There are multiple spaced thread grooves, up and down adjustment sliding block is fixed on the lateral wall of pressure shoulder plate, up and down in lower adjusting sliding slot
Adjusting slider is limited in up and down adjustment sliding slot, has positioning bolt on up and down adjustment sliding block, and positioning bolt is screwed with thread groove
The position of pressure shoulder plate can be fixed on afterwards by back；The bottom surface of pressure shoulder plate has card slot for reducing rope band binding bring constraint
Sense, but cannot effective fixing head position in above-mentioned patent.
As Chinese patent CN2018116100722 discloses a kind of double-track dizziness treatment swivel chair, wherein safety seat
It leans forward the fixed dress of exposure mechanism and head including chair framework and the head position elevating mechanism that is mounted on the chair framework, head
It sets；Head position elevating mechanism drives the head to lean forward the upper and lower position of exposure mechanism and head fixing device by guide rod；
Patient is set to keep the comfortable sitting posture of nature according to the position that the height of patient adjusts seat.But in above-mentioned technology actual application
In, head self-clamping module does not adapt to the different crowd of head size.
Summary of the invention
Therefore, it is an object of the invention to overcome the defects of the safety seat of prior art vertigo diagnosis and therapy system, mentions
A kind of safety seat for head self-clamping module for head fixing device, applied to vertigo diagnosis and therapy system.
To achieve the goals above, the present invention provides a kind of head self-clamping module for head fixing device, the head
Portion's self-clamping module includes head rest bracket, and the head rest bracket is connect by clamping hinge with headrest support；The head clamps mould
Block further includes trapezoidal nut and symmetric trapezium screw rod；The head rest bracket is connect with trapezoidal nut shaft, the trapezoidal nut with
The symmetric trapezium lead screw meshing spiral transmission.
The head rest bracket includes that left side leans on bracket and right side by bracket；The trapezoidal nut include left-handed trapezoidal nut and
The trapezoidal nut of dextrorotation；The left side is connect with headrest support by upper and lower two clampings hinge by bracket, and bracket is leaned on the right side
It is connect with headrest support by upper and lower two clampings hinge；Described its both ends of symmetric trapezium screw rod be respectively left-handed trapezoidal thread and
Dextrorotation trapezoidal thread, left-handed trapezoidal thread and the left-handed trapezoidal nut meshing spiral are driven, dextrorotation trapezoidal thread and the right side
The transmission of winding stair shape nut meshing spiral.
By bracket centered on clamping hinge, one side is equipped with soft foam and contacts with human body head, another in the left side
One end of side is connect with the trapezoidal nut shaft of dextrorotation.
By bracket centered on clamping hinge, one side is equipped with soft foam and contacts with human body head, another on the right side
One end of side is connect with left-handed trapezoidal nut shaft.
The head self-clamping module further includes handwheel, and the handwheel and the symmetric trapezium screw rod are by flat key transmission or admittedly
Fixed connection.
When rotating clockwise handwheel, the symmetric trapezium screw rod servo rotary, left-handed trapezoidal nut and the trapezoidal nut of dextrorotation
It is reversely moved outward with phase same rate respectively, left side is reversely turned to the inside by bracket with phase same rate by bracket and right side.
When rotating counterclockwise handwheel, the symmetric trapezium screw rod servo rotary, left-handed trapezoidal nut and the trapezoidal nut of dextrorotation
It is reversely moved inwardly with phase same rate respectively, left side is reversely laterally rotated by bracket with phase same rate by bracket and right side.
Limit circlip is installed between the symmetric trapezium screw rod and headrest support.
Soft foam is installed among the headrest support.
Compared with prior art, easy to operate the beneficial effects of the present invention are: comfort is high, according to the height tune of patient
The position of seat, effective fixing head position are saved, head self-clamping module adapts to the crowd of different head size, quickly adjusts headrest
Size is simultaneously self-locking, with immobilized patients head.
Detailed description of the invention
Fig. 1 show the schematic perspective view of head fixing device of the present invention；
Fig. 2 show the right side structural representation of head fixing device of the invention；
Fig. 3 show the backsight structural representation of head fixing device of the invention；
Fig. 4 show the overlooking structure diagram of head fixing device of the invention；
Fig. 5 show the schematic perspective view of sliding block of the present invention；
Fig. 6 show the right side structural representation of sliding block of the present invention；
Fig. 7 show the schematic view of the front view of sliding block of the invention；
Fig. 8 show the overlooking structure diagram of sliding block of the invention；
Fig. 9 show the schematic perspective view of angular adjustment module of the present invention；
Figure 10 show the right side structural representation of angular adjustment module of the present invention；
Figure 11 show the schematic view of the front view of angular adjustment module of the present invention；
Figure 12 show the overlooking structure diagram of angular adjustment module of the present invention；
Figure 13 show the schematic perspective view of head self-clamping module of the invention；
Figure 14 show the right side structural representation of head self-clamping module of the present invention；
Figure 15 show self-clamping module schematic view of the front view in head of the present invention；
Figure 16 show the overlooking structure diagram of head self-clamping module of the present invention；
Figure 17 show the use state diagram of angular adjustment module of the present invention；
Figure 18 show angular adjustment status diagram in angular adjustment module map 17 of the present invention；
Figure 19 show the use state diagram of sliding block of the present invention；
Figure 20 show in sliding block Figure 19 of the present invention and slides up and down use state diagram；
Figure 21 show the use state diagram of head fixing device of the present invention；
Figure 22 show in head fixing device Figure 21 of the present invention and adjusts use state diagram.
In attached drawing: 1 be safety seat headrest elevating lever, 2 be sliding block, 3 be angular adjustment module, 4 be head clamping
Module, 201 be fixed bracket, 202 be sliding guide, 203 be oil-free bushing, 204 be sliding support, 205 be angle hinge,
301 it is headrest support, 302 be fast disassembling handlebar, 303 be clamping hinge, 401 be left side by bracket, 402 is right side by bracket, 403
It is handwheel, 404 be symmetric trapezium screw rod, 405 be winding stair shape nut, 406 is the trapezoidal nut of dextrorotation.
Specific embodiment
Below in conjunction with specific embodiment, invention is further described in detail.It should be appreciated that described herein specific
Embodiment is only used to explain the present invention, is not intended to limit the present invention.
With reference to shown in Fig. 1-2 2, the invention discloses a kind of head fixing devices, including sliding block 2, angular adjustment mould
Block 3 and head self-clamping module 4；
The sliding block 2 includes fixed bracket 201, sliding guide 202, oil-free bushing 203, sliding support 204, angle hinge
205, extension spring 206；
The angular adjustment module 3 includes headrest support 301, fast disassembling handlebar 302 and clamping hinge 303；
The head self-clamping module 4 includes head rest bracket, handwheel 403, symmetric trapezium screw rod 404 and trapezoidal nut；The head rest
Bracket includes that left side leans on bracket 401 and right side by bracket 402；The trapezoidal nut includes left-handed trapezoidal nut 405 and dextrorotation ladder
Shape nut 406.
The fixed bracket 201 is installed on safety seat headrest elevating lever 1 as " rack " of head fixing device, root
According to Patient height's difference, safety seat headrest elevating lever 1 can be gone up and down with up and down adjustment, head fixing device entirety and safety seat
The headrest oscilaltion together of elevating lever 1.
With reference to shown in Fig. 4-8, in above-mentioned sliding block structure 2,
The sliding guide 202, which is bolted, is fixedly installed in fixed 201 two sides of bracket, wherein the sliding guide of two sides
202 are symmetrically installed.
The oil-free bushing 203 is rigidly connected with sliding support 204, when using rigid connection, when a component generates position
When shifting or stress, the component being attached thereto does not generate displacement or relative deformation relative to first part.
The oil-free bushing 203 is socketed on the sliding guide 202, and is slidably matched with the formation of sliding guide 202.
The sliding support 204 slides up and down in the length range of the sliding guide 202.
Described 206 one end of extension spring is connected to the sliding support 204, and the other end of the extension spring is connected and fixed
In on the fixed bracket 201, when the sliding support 204 is by external force upward sliding, the extension spring 206 is stretched,
Reversing reset elastic force is generated, if 204 slide downward of external force disappearance sliding support resets.
In the present embodiment, the sliding guide 202 is smooth surface metal material, is distributed in fixed 201 two sides of bracket in pairs；
The oil-free bushing 203 is brass or the self-lubricatings material such as graphite or Teflon, and the material hardness of the oil-free bushing 203 is lower than
The material hardness of sliding guide 202, in order to which 203 long-time of oil-free bushing uses the replacement after abrasion.
In the above-described embodiments, the oil-free bushing 203 two are socketed on the sliding guide 202 for one group, with
One sliding guide 202 provides more stable stress support with slide assemblies are combined into.
In the above-described embodiments, the sliding support 204 uses " several " font sheet metal structural, and it is solid greatly to reduce head
Determine the volume of device, save installation space, realizes the maximization of design sliding stroke in head fixing device gabarit volume, have no
The sliding support 204 of query can also take other form, realize sliding up and down for head fixing device.
In the above-described embodiments, 206 quantity of extension spring can be 1, can be multiple, the extension spring
206 can reset force according to actual needs size, the extension spring 206 of selection installation different number realizes the fixed dress in head
Set the adjustable of reseting elasticity.
With reference to shown in Figure 17-18, sliding block 2 of the invention is in use, patient is on vertigo diagnosis and therapy system
When three-dimensional position, between the safety belt and patient of vertigo diagnosis and therapy system there are certain interval thus patient can upward play, at this time
The sliding block of head fixing device can be followed upward sliding, sliding limitation by the slight external force on head with patients head
Range is adjustable；When patient is in sitting position on vertigo diagnosis and therapy system, the external force of patients head releases substantially, and head is solid
Determine the pulling force of the sliding block Tensile spring 206 of device and resets downwards.
In the present embodiment, angle hinge 205 is additionally provided on the sliding block 2, the angle hinge 205 symmetrically divides
Cloth is in the left and right sides of sliding support 204.
With reference to shown in Fig. 9-12, in above-mentioned angular adjustment modular structure,
The angular adjustment module 3 includes headrest support 301, fast disassembling handlebar 302 and clamping hinge 303；
The angle hinge 205 is symmetrically distributed in the left and right sides of sliding support 204, and the angle hinge 205 is as sliding branch
The rotating shaft of frame 204 and headrest support 301, the headrest support 301 are the center of circle in special angle with the angle hinge 205
The rotation angle range of rotation in range, the headrest support 301 is preferentially 0 ~ 30 °, the unquestionable headrest support
301 rotation angle range, which is not limited only to 0-30 °, can also be that other angles realize its function.
Wherein in the present embodiment, when angular adjustment, the sliding support 204 is solid in the plane of head fixing device
Fixed, the headrest support can be rotated around angle hinge, but in 2 up and down adjustment of sliding block in, the sliding support 204 can
It is slided up and down along sliding guide 202.
The fast disassembling handlebar 302 is installed on the sliding support 201 and adjusts the headrest support 301 and the sliding
Bracket it is elastic, when 302 releasing orientation of fast disassembling handlebar, the headrest support 301 can freely adjust angle, the Quick Release
When 302 clamped condition of handle, the fast disassembling handlebar 302 clamps headrest support 301 and sliding support 201, not can freely adjust.
The clamping hinge 303 is provided with 4 and connect with headrest support 301, and 4 clamping hinges 303 are in headrest support
In bilateral symmetry up and down on 301, two, right side clamping hinge 303 is that 401 rotary gemel of bracket, two, left side clamping hinge are leaned in left side
Chain 303 is that 402 rotary gemel of bracket is leaned on right side.
In the above-described embodiments, the design of angle hinge 205 uses pivot pin bolt, makes it have easy to assembly, processing
The assembly serious forgiveness that precision influences is high, while the angle hinge 205 can also use other way, make headrest support 301 with
The angle hinge 205 is that the center of circle rotates within the scope of special angle.
With reference to shown in Figure 19,20, angular adjustment module 3 of the invention is in use, can adapt to vertigo diagnosis and therapy system
Different diagnosis and treatment demands guarantee that lean forward different angles on head when patient's diagnosis and treatment, in use, opening fast disassembling handlebar 302 adjusts headrest
To proper angle, fast disassembling handlebar 302 is locked, patients head's forward leaning angle can quickly and easily be adjusted by fast disassembling handlebar 302.
With reference to shown in Figure 13-16, in above-mentioned head self-clamping module 4,
The head self-clamping module 4 includes head rest bracket, handwheel 403, symmetric trapezium screw rod 404 and trapezoidal nut.
The head rest bracket is connect by the clamping hinge 303 with the headrest support 301；The one of the head rest bracket
Side is provided with soft foam and contacts with human body head, and one end of the other side is connect with trapezoidal nut shaft.
In the above-described embodiments, the head rest bracket includes that left side leans on bracket 401 and right side by bracket 402；It is described trapezoidal
Nut includes left-handed trapezoidal nut 405 and the trapezoidal nut 406 of dextrorotation；The left side passes through by bracket 401 with headrest support 301 upper
The connection of lower two clamping hinges 303, the left side by bracket 401 centered on clamping hinge, one side be equipped with soft foam with
Human body head contact, one end of the other side is connect with trapezoidal 406 shaft of nut of dextrorotation；The right side is by bracket 402 and headrest branch
Frame 301 is connected by upper and lower two clamping hinges 303, and by bracket 402 centered on clamping hinge, one side is equipped on the right side
Soft foam is contacted with human body head, and one end of the other side is connect with left-handed trapezoidal 405 shaft of nut.
Described its both ends of symmetric trapezium screw rod 404 are respectively left-handed trapezoidal thread and dextrorotation trapezoidal thread, left-handed trapezoidal spiral shell
Line and left-handed trapezoidal 405 meshing spiral of nut are driven, dextrorotation trapezoidal thread and trapezoidal 406 meshing spiral of nut of the dextrorotation
Transmission；It is driven between the symmetric trapezium screw rod 404 and left-handed trapezoidal nut 405, the trapezoidal nut 406 of dextrorotation for meshing spiral,
Reverse self-locking can only be when in use the rotation of symmetric trapezium screw rod 404 through worm drive, left-handed trapezoidal nut 405 and dextrorotation ladder
Shape nut 406 generates translational motion.
The handwheel 403 is driven or is fixedly connected by flat key with the symmetric trapezium screw rod 404；When rotating clockwise hand
When taking turns 403,404 servo rotary of symmetric trapezium screw rod, left-handed trapezoidal nut 405 is with the trapezoidal nut 406 of dextrorotation respectively with mutually synchronized
Rate reversely moves outward, and left side is reversely turned to the inside by bracket 402 with phase same rate by bracket 401 and right side, embodies folder
Tight human body head movement；When rotating counterclockwise handwheel 403,404 servo rotary of symmetric trapezium screw rod, left-handed trapezoidal 405 He of nut
The trapezoidal nut 406 of dextrorotation is reversely moved with phase same rate inwardly respectively, and left side is by bracket 401 and right side by bracket 402 with phase
Same rate reversely laterally rotates, and embodies expansion action.
Limit circlip is installed between the symmetric trapezium screw rod 404 and headrest support 301, for limiting the symmetrical ladder
Shape screw rod 404 prevents it from moving left and right.
Soft foam is installed among the headrest support 301, is used to support human body head.
Head self-clamping module 4 adapts to the crowd of different head size, and quick adjusting headrest size is simultaneously self-locking, is suffered from fixed
Person head.
The above is only a preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications
Also it should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of head self-clamping module for head fixing device, the head self-clamping module includes head rest bracket, the head
It is connect by clamping hinge (303) with headrest support (301) by bracket；It is characterized by: the head self-clamping module further includes
Trapezoidal nut and symmetric trapezium screw rod (404)；The head rest bracket is connect with trapezoidal nut shaft, the trapezoidal nut with it is described
The transmission of symmetric trapezium lead screw (404) meshing spiral.
2. the head self-clamping module according to claim 1 for head fixing device, it is characterised in that: the head rest branch
Frame includes that left side leans on bracket (401) and right side by bracket (402)；The trapezoidal nut includes left-handed trapezoidal nut (405) and the right side
Winding stair shape nut (406)；The left side is connected by bracket (401) and headrest support (301) by upper and lower two clamping hinges (303)
It connects, the right side is connect with headrest support (301) by upper and lower two clamping hinges (303) by bracket (402)；The symmetrical ladder
Shape screw rod (404) its both ends are respectively left-handed trapezoidal thread and dextrorotation trapezoidal thread, left-handed trapezoidal thread with it is described left-handed trapezoidal
The transmission of nut (405) meshing spiral, dextrorotation trapezoidal thread and the trapezoidal nut of the dextrorotation (406) meshing spiral are driven.
3. the head self-clamping module according to claim 2 for head fixing device, it is characterised in that: the left side is leaned on
Bracket (401) is centered on clamping hinge, and one side is equipped with soft foam and contacts with human body head, one end of the other side and dextrorotation
Trapezoidal nut (406) shaft connection.
4. the head self-clamping module according to claim 2 for head fixing device, it is characterised in that: the right side is leaned on
Bracket (402) centered on clamping hinge, one side be equipped with soft foam contacted with human body head, one end of the other side with it is left-handed
Trapezoidal nut (405) shaft connection.
5. the head self-clamping module according to claim 2 for head fixing device, it is characterised in that: the head folder
Holding module further includes handwheel, and the handwheel (403) is driven or is fixedly connected by flat key with the symmetric trapezium screw rod (404).
6. the head self-clamping module according to claim 5 for head fixing device, it is characterised in that: rotate clockwise
When handwheel (403), symmetric trapezium screw rod (404) servo rotary, left-handed trapezoidal nut (405) and the trapezoidal nut of dextrorotation
(406) it is reversely moved outward with phase same rate respectively, left side is by bracket (401) and right side by bracket (402) with phase same rate
Reversely turn to the inside.
7. the head self-clamping module according to claim 5 for head fixing device, it is characterised in that: rotate counterclockwise
When handwheel (403), symmetric trapezium screw rod (404) servo rotary, left-handed trapezoidal nut (405) and the trapezoidal nut of dextrorotation
(406) it is reversely moved inwardly with phase same rate respectively, left side is by bracket (401) and right side by bracket (402) with phase same rate
Reversely laterally rotate.
8. the head self-clamping module according to claim 1 for head fixing device, it is characterised in that: the symmetrical ladder
Limit circlip is installed between shape screw rod (404) and headrest support (301).
9. the head self-clamping module according to claim 1 for head fixing device, it is characterised in that: the headrest branch
Soft foam is installed among frame (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910697632.0A CN110339013A (en) | 2019-07-31 | 2019-07-31 | A kind of head self-clamping module for head fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910697632.0A CN110339013A (en) | 2019-07-31 | 2019-07-31 | A kind of head self-clamping module for head fixing device |
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| Publication Number | Publication Date |
|---|---|
| CN110339013A true CN110339013A (en) | 2019-10-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910697632.0A Pending CN110339013A (en) | 2019-07-31 | 2019-07-31 | A kind of head self-clamping module for head fixing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111467051A (en) * | 2020-04-16 | 2020-07-31 | 徐佳丽 | Head restraint support for operation |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20040090638A (en) * | 2003-04-18 | 2004-10-26 | 정원하 | Physiotherapy tool for the neck |
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| KR20040090638A (en) * | 2003-04-18 | 2004-10-26 | 정원하 | Physiotherapy tool for the neck |
| US20090088627A1 (en) * | 2007-09-24 | 2009-04-02 | Surgi-Vision, Inc. | Mri-compatible head fixation frame with cooperating head coil apparatus |
| KR101049245B1 (en) * | 2010-05-13 | 2011-07-14 | 정원하 | Head holding apparatus for stretching cervical vertebrae |
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