CN110934681A - Medical knee protection belt with adjustable device - Google Patents
Medical knee protection belt with adjustable device Download PDFInfo
- Publication number
- CN110934681A CN110934681A CN201911339024.9A CN201911339024A CN110934681A CN 110934681 A CN110934681 A CN 110934681A CN 201911339024 A CN201911339024 A CN 201911339024A CN 110934681 A CN110934681 A CN 110934681A
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- capacitor
- locking
- variable resistor
- leg binding
- leg
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- 210000003127 knee Anatomy 0.000 title claims abstract description 51
- 210000002414 leg Anatomy 0.000 claims abstract description 53
- 239000003990 capacitor Substances 0.000 claims description 73
- 239000010410 layer Substances 0.000 claims description 14
- 210000000689 upper leg Anatomy 0.000 claims description 10
- 238000007906 compression Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 8
- 239000011241 protective layer Substances 0.000 claims description 8
- 230000003321 amplification Effects 0.000 claims description 7
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 7
- 239000004744 fabric Substances 0.000 claims description 5
- 230000008054 signal transmission Effects 0.000 claims description 5
- 230000003139 buffering effect Effects 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 2
- 230000000392 somatic effect Effects 0.000 claims 4
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 210000004417 patella Anatomy 0.000 abstract description 4
- 238000010030 laminating Methods 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 210000000629 knee joint Anatomy 0.000 description 3
- 206010061223 Ligament injury Diseases 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 244000309466 calf Species 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910052602 gypsum Inorganic materials 0.000 description 2
- 239000010440 gypsum Substances 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000009958 sewing Methods 0.000 description 2
- 206010060820 Joint injury Diseases 0.000 description 1
- 206010072970 Meniscus injury Diseases 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000004439 collateral ligament Anatomy 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000036285 pathological change Effects 0.000 description 1
- 231100000915 pathological change Toxicity 0.000 description 1
- 239000011505 plaster Substances 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Images
Classifications
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- 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
- A61F5/05—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for immobilising
-
- 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
- A61F5/0106—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 for the knees
- A61F5/0109—Sleeve-like structures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/02—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation
- H03F1/0205—Modifications of amplifiers to raise the efficiency, e.g. gliding Class A stages, use of an auxiliary oscillation in transistor amplifiers
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F1/00—Details of amplifiers with only discharge tubes, only semiconductor devices or only unspecified devices as amplifying elements
- H03F1/26—Modifications of amplifiers to reduce influence of noise generated by amplifying elements
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F3/00—Amplifiers with only discharge tubes or only semiconductor devices as amplifying elements
- H03F3/45—Differential amplifiers
- H03F3/45071—Differential amplifiers with semiconductor devices only
- H03F3/45076—Differential amplifiers with semiconductor devices only characterised by the way of implementation of the active amplifying circuit in the differential amplifier
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Heart & Thoracic Surgery (AREA)
- Nursing (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Biomedical Technology (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
Abstract
The invention provides a medical knee brace with an adjustable device, which comprises: a kneepad body; one end of each tightening belt is fixedly connected to the side edge of the knee cap belt body in parallel, and the other end of each tightening belt is connected with the hasp; the buckle is fixedly arranged on one side of the knee protection belt body opposite to the tightening belt, and the tightening belt is buckled with the buckle and forms a closed-loop structure with the knee protection belt body in an enclosing mode. Can adjust through tightening belt according to the difference of leg type, can be suitable for the patient's demand of different leg types and size, ensure that knee cap area can closely laminate in the shank, improve its and dress travelling comfort and laminating nature.
Description
Technical Field
The invention relates to the technical field of medical auxiliary equipment, in particular to a medical knee protection belt with an adjustable device.
Background
When human knee joint injury or pathological change, for example, knee joint inside and outside collateral ligament injury, front and back cruciate ligament injury and meniscus injury etc. adopt the fixed mode of gypsum to fix patient's shank usually to reduce the harm to the knee joint, however the gypsum is the fixed supplementary reinforcement equipment of appearance, and patient not only lives very inconveniently when using, can't obtain suitable motion moreover, is unfavorable for the rehabilitation in later stage. Therefore, the knee protection belt is adopted to replace plaster to become the choice of more and more people, but the leg shapes and the sizes of patients are greatly different, the wearing comfort is poor, and the fitting performance is poor.
Disclosure of Invention
The object of the present invention is to provide a medical knee wrap with adjustable means which solves the above mentioned problems.
In order to achieve the purpose, the invention provides the following technical scheme: a medical knee brace having an adjustable device, comprising:
a kneepad body;
one end of each tightening belt is fixedly connected to the side edge of the knee cap belt body in parallel, and the other end of each tightening belt is connected with the hasp;
the buckle is fixedly arranged on one side of the knee protection belt body opposite to the tightening belt, and the tightening belt is buckled with the buckle and forms a closed-loop structure with the knee protection belt body in an enclosing mode.
As an improvement of the invention, the knee protecting band body is divided into an outer protecting layer and an inner buffering layer, and the inner buffering layer is a rubber cushion.
As an improvement of the invention, the outer protective layer is formed by sequentially sewing and connecting an upper body part, a middle connecting part and a lower body part into a whole, the upper body part is used for binding thighs, the lower body part is used for binding shanks, and the middle connecting part is made of elastic cloth and used for binding knees.
As an improvement of the invention, a solid brace is further arranged between the outer protective layer and the inner buffer layer, and comprises an upper leg wrapping device, a lower leg wrapping device and a rotation adjusting device;
the upper leg binding device consists of an upper bracket, a first leg binding belt and a second leg binding belt, and the first leg binding belt and the second leg binding belt are fixed on the upper bracket;
the lower leg wrapping device consists of a lower bracket, a third leg wrapping band and a fourth leg wrapping band, and the third leg wrapping band and the fourth leg wrapping band are fixed on the lower bracket;
the lower end of the upper support and the upper end of the lower support are fixedly connected to two ends of the rotary adjusting device respectively.
As an improvement of the present invention, the upper and lower brackets are built in the knee band body, and the first, second, third, and fourth leg straps extend from the interior of the knee band body and are each formed into a closed loop structure by a buckle.
As a modification of the present invention, the first and second leg straps are integrally formed with the upper bracket, and the third and fourth leg straps are integrally formed with the lower bracket.
As an improvement of the present invention, the rotation adjusting device includes:
the upper end of the upper rotary seat is fixedly connected with the lower end of the upper bracket, the lower end of the upper rotary seat is provided with an arc-shaped guide plate, the center of the arc-shaped guide plate is provided with a connecting arm, and the upper end of the connecting arm is provided with a mounting groove;
the locking button is arranged in the mounting groove in a sliding mode, a thrust spring is arranged between the locking button and the inner wall of the mounting groove, the thrust spring is in a compressed state and applies thrust to the locking button, and clamping teeth are arranged on the lower end face of the locking button;
a lower rotary seat is further arranged below the upper rotary seat, the lower end of the lower rotary seat is fixedly intercepted by the lower support, a guide convex plate is arranged above the lower rotary seat, the outline of the guide convex plate is consistent with that of the arc-shaped guide plate, and a cavity structure is arranged inside the lower rotary seat;
be equipped with the V-arrangement board in the inside cavity of seat down soon, the thickness of V-arrangement board does down revolve half of seat thickness, the lower extreme of V-arrangement board is equipped with the hinge hole, the hinge hole with the linking arm is articulated through the pivot, the linking arm is arranged in the inner chamber of half thickness of V-arrangement board, the inside rigid coupling cambered surface board that still of V-arrangement board, the up end of cambered surface board is equipped with a plurality of draw-in grooves, the overall dimension of draw-in groove with the overall dimension looks adaptation of latch.
As a refinement of the invention, the rotation adjustment device further has an interlock device, which includes:
the upper lock frame is L-shaped in cross section, a fixed connection edge is arranged at the upper end of the upper lock frame, and the upper lock frame is fixedly connected to the side wall of the upper rotary seat through a screw;
the lower lock frame is L-shaped in cross section, a fixed connection edge is arranged at the lower end of the lower lock frame, and the lower lock frame is fixedly connected to the side wall of the lower rotary seat through a screw;
the interlocking plates are arranged between the upper locking frame and the lower locking frame and the rotary adjusting device, and interlocking components are symmetrically arranged at the upper end and the lower end of each interlocking plate;
the interlocking member includes:
the locking device comprises an interlocking plate, a locking cavity is formed in the interlocking plate, a locking block which slides up and down is arranged in the locking cavity, the locking block is E-shaped, the length of one side in the middle of the locking block is smaller than the lengths of two side edges, two compression springs are arranged on the upper end face of the interlocking plate, the compression springs apply thrust to the locking block, one end of a pull rope is fixedly connected to the upper end face of the locking block, the other end of the pull rope is connected with a pull rod, the pull rod is arranged in a sliding cavity, and return holes corresponding to the sliding cavity are formed in an upper locking frame and a lower locking frame;
the lock cylinder is integrally formed on one side, close to the interlocking plate, of the upper lock frame and one side, close to the interlocking plate, of the lower lock frame, a lock hole is formed in the upper end face and the lower end face of the lock cylinder in a penetrating mode, and the outline of the lock hole is consistent with the outline of one side in the middle of the lock block;
the fagging, the locking button orientation one side of interlocking board is provided with the fagging through the connecting plate, the height that highly is greater than the connecting plate of fagging, the fagging runs through the interlocking board is kept away from rotary adjusting device's side, the up end and the lower terminal surface of fagging with two side contact cooperations of locking piece.
As an improvement of the invention, the angle detection module comprises a signal transmission circuit, wherein the signal transmission circuit comprises an input circuit, a differential amplification circuit, a bias common source gain circuit and an output circuit,
the input circuit includes:
the first input end B1 is sequentially connected with an inductor I1 and a capacitor C1 in series;
the second input end B2 is sequentially connected in series with an inductor I2 and a capacitor C2;
two ends of the variable resistor R1 are respectively connected with one end of the capacitor C1 which is not connected with the inductor I1 and one end of the capacitor C2 which is not connected with the inductor I2, and the resistor head is connected with the capacitor C3 in series and then grounded;
the differential amplifier circuit includes:
a transistor M1, the grid of which is connected with one end of the variable resistor R1 connected with the capacitor C1, the drain of which is grounded, and the source of which is connected with one end of the variable resistor R1 connected with the capacitor C2 through the capacitor C4;
a transistor M2, a gate of which is connected to one end of the variable resistor R1 connected to the capacitor C1, a drain of which is grounded, and a source of which is connected to one end of the capacitor C5 and one end of the variable resistor R2, respectively;
a transistor M3 having a gate connected to one end of the variable resistor R1 connected to the capacitor C2, a gate connected to the source of the transistor M1 via the capacitor C4, a drain connected to ground, and a source connected to one end of the variable resistor R2;
a transistor M4, a gate of which is connected to the end of the variable resistor R1 connected to the capacitor C2, a drain of which is grounded, and a source of which is connected to the capacitor C5 and the end of the variable resistor R2 not connected to the transistor M2, respectively;
the variable resistor R2 is connected with the resistor head to the ground;
the bias common-source gain circuit comprises:
a transistor M5 having a gate connected to one end of the variable resistor R2 connection transistor M2 through a capacitor C6, a resistor R3 through a capacitor C8, a drain connected to ground, and a source connected to one end of the variable resistor R5;
a transistor M6 having a gate connected to the end of the variable resistor R2 not connected to the transistor M2 through the capacitor C7, a resistor R4 through the capacitor C9, a drain connected to ground, and a source connected to the end of the variable resistor R5 not connected to the transistor M5;
the variable resistor R5 is connected with the resistor head to the ground;
the output circuit includes:
one end of the capacitor C10 is connected with the resistor R3 and the tuning variable capacitor Z1, and the other end of the capacitor C10 is connected with the inductor I3;
one end of the capacitor C11 is connected with the resistor R4 and the tuning variable capacitor Z1, and the other end of the capacitor C11 is connected with the inductor I4;
the output end T1 is connected with the inductor I3;
and the output end T2 is connected with the inductor I4.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an expanded view of the present invention;
FIG. 3 is a schematic view of a form setting device of the present invention;
FIG. 4 is a top cross-sectional view of the present invention;
FIG. 5 is a rear assembly view of the rotary adjustment apparatus of the present invention;
FIG. 6 is a front assembly view of the rotary adjustment apparatus of the present invention;
FIG. 7 is a side sectional view of an interlock device according to the present invention;
FIG. 8 is an elevational, cross-sectional view of an interlock device according to the present invention;
FIG. 9 is a control circuit diagram of the present invention.
The components in the figure are:
10-knee cap belt body, 11-outer protective layer, 12-inner buffer layer, 13-upper body part, 14-middle connecting part, 15-lower body part,
20-tightening the belt, wherein the belt is tightened,
30-the hasp is used for carrying out hasp,
40-upper leg binding device, 41-upper support, 42-first leg binding band, 43-second leg binding band,
50-lower leg binding device, 51-lower support, 52-third leg binding band, 53-fourth leg binding band,
60-rotary adjusting device, 61-upper rotary seat, 62-arc guide plate, 63-connecting arm, 64-mounting groove, 65-locking button, 66-thrust spring, 67-latch, 68-lower rotary seat, 69-guide convex plate, 610-V-shaped plate, 611-hinge hole, 612-arc panel, 613-clamping groove,
70-interlocking device, 71-upper locking frame, 72-fixed edge, 73-lower locking frame, 74-interlocking plate, 75-locking cavity, 76-locking block, 77-compression spring, 78-pull rope, 79-pull rod, 710-sliding cavity, 711-return hole, 712-locking column, 713-locking hole, 714-supporting plate and 715-connecting plate.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
Referring to fig. 1, a medical knee brace with an adjustable device comprises:
a knee band body 10;
one end of each tightening belt 20 is fixedly connected to the side edge of the knee protecting belt body 10 in parallel, and the other end of each tightening belt 20 is connected with the hasp 30;
the buckle 30 is fixedly arranged on one side of the knee protection belt body 10 opposite to the tightening belt 20, and the tightening belt 20 is buckled with the buckle 30 and forms a closed-loop structure with the knee protection belt body 10.
The working principle of the technical scheme is as follows: as shown in fig. 1, the medical knee protection belt with adjustable device provided by the present invention, wherein the knee protection belt body 10 is made of flexible cloth material, and is attached to the leg when in use, the tightening belt 20 is also made of flexible belt-shaped structure, and one end of the tightening belt is sewn on the knee protection belt body 10 near the side edge, and the other end is a free end for passing around the leg and being connected with the hasp 30 on the other side edge of the knee protection belt body 10, and the tightening belts 20 adjust the part buckled with the hasp 30 according to different leg shapes, so that the whole knee protection belt can be closely attached to the leg to play a role of fixing and protecting.
The beneficial effects of the above technical scheme are that: can adjust through tightening belt according to the difference of leg type, can be suitable for the patient's demand of different leg types and size, ensure that knee cap area can closely laminate in the shank, improve its and dress travelling comfort and laminating nature.
In one embodiment of the present invention, the knee band body 10 is divided into an outer protective layer 11 and an inner cushioning layer 12, and the inner cushioning layer 12 is a rubber cushion.
The outer protective layer 11 is formed by sequentially sewing and connecting an upper body 13, a middle connecting part 14 and a lower body 15 into a whole, the upper body 13 is used for binding thighs, the lower body 15 is used for binding calves, and the middle connecting part 14 is made of elastic cloth and used for binding knees.
The working principle and the beneficial effects of the technical scheme are as follows: the knee band body 10 is divided into an inner layer and an outer layer to improve the wearing comfort of the knee band on the premise of ensuring the basic function of fixing the leg shape of the knee band. In addition, the outer protective layer 11 is divided into three parts, and the middle part is made of elastic cloth, so that the freedom of movement of a user is improved as much as possible, and the comfort is further improved.
In one embodiment of the present invention, a fixing brace is further disposed between the outer protective layer 11 and the inner buffer layer 12, and the fixing brace includes an upper leg wrapping device 40, a lower leg wrapping device 50 and a rotation adjusting device 60;
the upper leg binding device 40 comprises an upper bracket 41, a first leg binding band 42 and a second leg binding band 43, wherein the first leg binding band 42 and the second leg binding band 43 are fixed on the upper bracket 41;
the lower leg-wrapping device 50 is composed of a lower bracket 51, a third leg-wrapping band 52 and a fourth leg-wrapping band 53, and the third leg-wrapping band 52 and the fourth leg-wrapping band 53 are fixed to the lower bracket 51;
the lower end of the upper bracket 41 and the upper end of the lower bracket 51 are respectively and fixedly connected to two ends of the rotation adjusting device 60.
The upper and lower brackets 41 and 51 are built in the knee brace body 10, and the first, second, third, and fourth leg straps 42, 43, 52, and 53 are extended from the interior of the knee brace body 10 and are formed into a closed loop structure by the buckle 30.
The first and second leg straps 42 and 43 are integrally formed with the upper bracket 41, and the third and fourth leg straps 52 and 53 are integrally formed with the lower bracket 51. The design of the integrated structure can obviously improve the stress performance of each structure.
The working principle and the beneficial effects of the technical scheme are as follows: the main function of the shape-fixing brace is to fix the legs of the user by combining the knee protecting band body 10, so as to prevent the user from suffering secondary injury due to excessive bending of the legs during the activity and being not beneficial to the rehabilitation of the legs. The shape-fixing brace mainly comprises an upper leg-wrapping device 40, a lower leg-wrapping device 50 and a rotation adjusting device 60, wherein the upper leg-wrapping device 40 is used for being bound on the thigh of a user, the lower leg-wrapping device 50 is used for being bound on the calf of the user, and the rotation adjusting device 60 is used for adjusting the bending angle between the upper leg-wrapping device 40 and the lower leg-wrapping device 50 according to needs, so that the shape-fixing function and the protection function of the knee band are further improved.
Referring to fig. 5 and 6, in an embodiment of the present invention, the rotation adjusting device 60 includes:
the upper end of the upper rotating seat 61 is fixedly connected with the lower end of the upper bracket 41, the lower end of the upper rotating seat 61 is provided with an arc-shaped guide plate 62, the center of the arc-shaped guide plate 62 is provided with a connecting arm 63, and the upper end of the connecting arm 63 is provided with a mounting groove 64;
the locking button 65 is arranged in the mounting groove 64 in a sliding mode, a thrust spring 66 is arranged between the locking button 65 and the inner wall of the mounting groove 64, the thrust spring 66 is in a compressed state and applies thrust to the locking button 65, and the lower end face of the locking button 65 is provided with clamping teeth 67;
a lower rotating base 68, wherein the lower rotating base 68 is further arranged below the upper rotating base 61, the lower end of the lower rotating base 68 is fixedly intercepted by the lower bracket 51, a guide convex plate 69 is arranged above the lower rotating base 68, the outline of the guide convex plate 69 is consistent with the outline of the arc-shaped guide plate 62, and the lower rotating base 68 is of a cavity structure;
be equipped with V-arrangement board 610 in screwing down the inside cavity of seat 68, the thickness of V-arrangement board 610 does screw down half of seat 68 thickness, the lower extreme of V-arrangement board 610 is equipped with hinge hole 611, hinge hole 611 with connecting arm 63 is articulated through the pivot, connecting arm 63 is arranged in the inner chamber of half thickness of V-arrangement board 610, the inside rigid coupling that still has cambered plate 612 of V-arrangement board 610, the up end of cambered plate 612 is equipped with a plurality of draw-in grooves 613, the overall dimension of draw-in groove 613 with the overall dimension looks adaptation of latch 67.
The working principle and the intentional effect of the technical scheme are as follows: the rotation adjusting device 60 is mainly composed of an upper rotation base 61 and a lower rotation base 68, which are respectively fixedly connected with the upper support 41 and the lower support 51. The upper rotary seat 61 and the lower rotary seat 68 are in arc rotation under the guiding action of the arc guide plate 62 and the guide convex plate 69. The upper rotary base 61 and the lower rotary base 68 are locked by the engagement of the latch 67 and the slot 613. In a normal state, the push spring 66 pushes the locking button 65 to a cavity of the lower rotary seat 68 in a half where the locking groove 613 is formed, so that the locking teeth 67 are locked in the locking groove 613, and the upper support 41 and the lower support 51 are relatively fixed. When the included angle between the upper bracket 41 and the lower bracket 51 needs to be adjusted, the locking button 65 is pressed to make the latch 67 staggered with the slot 613, and after the angle is selected, the locking button 65 is released to make the latch 67 be clamped in the slot 613 again, so that the angle switching is completed once.
Referring to fig. 7 and 8, in an embodiment of the present invention, the rotation adjusting device 60 further has an interlocking device 70, and the interlocking device 70 includes:
the upper lock frame 71 is L-shaped in cross section, a fixed connection edge 72 is arranged at the upper end of the upper lock frame 71, and the upper lock frame 71 is fixedly connected to the side wall of the upper rotary seat 61 through screws;
the lower lock frame 73 is L-shaped in cross section, the lower end of the lower lock frame is also provided with a fixed connection edge 72, and the lower lock frame 73 is fixedly connected to the side wall of the lower rotary seat 68 through a screw;
the interlocking plate 74 is arranged between the upper locking frame 71, the lower locking frame 73 and the rotary adjusting device 60, and interlocking components are symmetrically arranged at the upper end and the lower end of the interlocking plate 74;
the interlocking member includes:
the locking device comprises a locking cavity 75, the locking cavity 75 is formed in the interlocking plate 74, a locking block 76 which slides up and down is arranged in the locking cavity 75, the locking block 76 is E-shaped, the length of one side in the middle of the locking block is smaller than the length of two side edges, two compression springs 77 are arranged on the upper end face of the interlocking plate 74, the compression springs 77 apply thrust to the locking block 76, one end of a pull rope 78 is fixedly connected to the upper end face of the locking block 76, the other end of the pull rope 78 is connected with a pull rod 79, the pull rod 79 is arranged in a sliding cavity 710, and return holes 711 corresponding to the sliding cavity 710 are formed in the upper locking frame 71 and the lower locking frame 73;
a lock cylinder 712, which is integrally formed on one side of the upper lock frame 71 and the lower lock frame 73 that is tightly attached to the interlocking plate 74, wherein the upper end surface and the lower end surface of the lock cylinder 712 are provided with a lock hole 713 in a penetrating manner, and the outline of the lock hole 713 is consistent with the outline of one side of the middle of the lock block 76;
a supporting plate 714 is arranged on one side, facing the interlocking plate 74, of the locking button 65 through a connecting plate 715, the supporting plate 714 is higher than the connecting plate 715, the supporting plate 714 penetrates through the side face, far away from the rotation adjusting device 60, of the interlocking plate 74, and the upper end face and the lower end face of the supporting plate 714 are in contact fit with two side edges of the locking block 76.
The working principle and the beneficial effects of the technical scheme are as follows: when the rotation adjusting device 60 performs angle adjustment, after the locking button 65 is pressed, the upper rotary seat 61 and the lower rotary seat 68 rotate freely because there is no limitation of angular rotation, and the user cannot correctly control the adjustment of the angles of the upper rotary seat and the lower rotary seat. For example, when a user feels that the angle of the lower support 51 fixed to the lower leg is too small, the user wants to adjust the angle of the lower support 51 a little larger, and when he presses the locking button 65, both the upper rotary base 61 and the lower rotary base 68 rotate, and when the user adjusts the angle of the lower support 51, the angle of the upper support 41 may change accordingly, so that the angle-adjusted upper support 41 can be adjusted again, which is troublesome and laborious, and also takes into consideration the angle adjustment of the upper support 41 and the lower support 51, and the operation difficulty is large.
For this purpose, an interlocking device 70 is provided at the rotation adjusting device 60. When the locking button 65 is pressed, the connecting plate 715 also moves to the left in fig. 7 with the supporting plate 714, when the supporting plate 714 is completely withdrawn from the left side of the interlocking plate 74, the locking block 76 slides to the middle of the interlocking plate 74 under the pushing force of the compression spring 77 (in a normal state, since the upper and lower ends of the supporting plate 714 support the two longer sides of the locking block 76, when the upper and lower end surfaces of the supporting plate 714 cannot support the locking block 76, the locking block 76 slides up and down under the action of the compression spring 77), during the sliding process of the locking block 76, one side of the middle thereof is inserted into the locking hole 713 formed in the locking column 712, so that the upper and lower locking frames 71, 73 are locked and cannot rotate (i.e. since the cylindrical locking column 712 is fixed on the interlocking plate 74 by one side of the middle of the locking block 76, the upper and lower locking frames 71, 73 cannot rotate with the upper and lower rotary seats 61 and 68), when one of the upper lock frame 71 and the lower lock frame 73 needs to be adjusted in angle, a thin rod is inserted into one of the return holes 711, the pull rod 79 is pushed to return to the rightmost side in fig. 7, the middle side of the lock block 76 is pulled out of the lock hole 713, the lock cylinder 712 is unlocked, and the lock cylinder 712 can be rotated, so that one of the lock cylinders 712 can be adjusted in angle. This enables one of the upper screw base 61 and the lower screw base 68 to be locked and the other to be angularly adjusted.
In one embodiment, the air quality detection module includes a signal transmission circuit including an input circuit, a differential amplification circuit, a bias common source gain circuit, an output circuit,
the input circuit includes:
the first input end B1 is sequentially connected with an inductor I1 and a capacitor C1 in series;
the second input end B2 is sequentially connected in series with an inductor I2 and a capacitor C2;
two ends of the variable resistor R1 are respectively connected with one end of the capacitor C1 which is not connected with the inductor I1 and one end of the capacitor C2 which is not connected with the inductor I2, and the resistor head is connected with the capacitor C3 in series and then grounded;
the differential amplifier circuit includes:
a transistor M1, the grid of which is connected with one end of the variable resistor R1 connected with the capacitor C1, the drain of which is grounded, and the source of which is connected with one end of the variable resistor R1 connected with the capacitor C2 through the capacitor C4;
a transistor M2, a gate of which is connected to one end of the variable resistor R1 connected to the capacitor C1, a drain of which is grounded, and a source of which is connected to one end of the capacitor C5 and one end of the variable resistor R2, respectively;
a transistor M3 having a gate connected to one end of the variable resistor R1 connected to the capacitor C2, a gate connected to the source of the transistor M1 via the capacitor C4, a drain connected to ground, and a source connected to one end of the variable resistor R2;
a transistor M4, a gate of which is connected to the end of the variable resistor R1 connected to the capacitor C2, a drain of which is grounded, and a source of which is connected to the capacitor C5 and the end of the variable resistor R2 not connected to the transistor M2, respectively;
the variable resistor R2 is connected with the resistor head to the ground;
the bias common-source gain circuit comprises:
a transistor M5 having a gate connected to one end of the variable resistor R2 connection transistor M2 through a capacitor C6, a resistor R3 through a capacitor C8, a drain connected to ground, and a source connected to one end of the variable resistor R5;
a transistor M6 having a gate connected to the end of the variable resistor R2 not connected to the transistor M2 through the capacitor C7, a resistor R4 through the capacitor C9, a drain connected to ground, and a source connected to the end of the variable resistor R5 not connected to the transistor M5;
the variable resistor R5 is connected with the resistor head to the ground;
the output circuit includes:
one end of the capacitor C10 is connected with the resistor R3 and the tuning variable capacitor Z1, and the other end of the capacitor C10 is connected with the inductor I3;
one end of the capacitor C11 is connected with the resistor R4 and the tuning variable capacitor Z1, and the other end of the capacitor C11 is connected with the inductor I4;
the output end T1 is connected with the inductor I3;
and the output end T2 is connected with the inductor I4.
In the whole circuit working process, signals enter the differential amplifying circuit from the input end after the signals of the input circuit are confirmed, the signals are linearly amplified and transmitted under the action of four transistor groups with different models and sizes, the amplified signals enter the bias common source gain circuit formed by the transistors and the capacitors to carry out signal completion gain, and the signals after the bias gain are output through the output end of the output circuit, so that the whole transmission process of signal amplification and interference removal is completed.
After the signals are subjected to single-stage linear amplification of the differential amplification circuit and common-source amplification gain of the bias common-source gain circuit, the signals can be prevented from being excessively attenuated in the transmission process of a longer path, and the phenomenon of mutual interference among multiple groups of signals is avoided.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (9)
1. A medical knee brace having an adjustable device, comprising:
a knee band body (10);
one end of each tightening belt (20) is fixedly connected to the side edge of the knee protecting belt body (10) in parallel, and the other end of each tightening belt (20) is connected with a hasp (30);
the buckle (30) is fixedly arranged on one side of the knee protecting band body (10) opposite to the tightening band (20), and the tightening band (20) is buckled with the buckle (30) and forms a closed-loop structure with the knee protecting band body (10).
2. The medical knee brace with adjustable device of claim 1, wherein: the knee protecting band body (10) is divided into an outer protecting layer (11) and an inner buffering layer (12), and the inner buffering layer (12) is a rubber cushion.
3. The medical knee brace with adjustable device of claim 2, wherein: outer inoxidizing coating (11) are made up by last somatic part (13), intermediate junction portion (14), lower somatic part (15) and are connected as an organic whole in proper order, it is used for tying up the thigh to go up somatic part (13), lower somatic part (15) are used for tying up the shank, intermediate junction portion (14) comprise the elasticity cloth and are used for tying up the knee.
4. The medical knee brace with adjustable device of claim 2, wherein: a solid brace is also arranged between the outer protective layer (11) and the inner buffer layer (12), and comprises an upper leg wrapping device (40), a lower leg wrapping device (50) and a rotary adjusting device (60);
the upper leg binding device (40) comprises an upper bracket (41), a first leg binding band (42) and a second leg binding band (43), and the first leg binding band (42) and the second leg binding band (43) are fixed on the upper bracket (41);
the lower leg binding device (50) is composed of a lower bracket (51), a third leg binding band (52) and a fourth leg binding band (53), and the third leg binding band (52) and the fourth leg binding band (53) are fixed on the lower bracket (51);
the lower end of the upper support (41) and the upper end of the lower support (51) are respectively and fixedly connected with two ends of the rotary adjusting device (60).
5. The medical knee brace with adjustable device of claim 4, wherein: the upper bracket (41) and the lower bracket (51) are arranged in the knee protection belt body (10), and the first leg binding belt (42), the second leg binding belt (43), the third leg binding belt (52) and the fourth leg binding belt (53) extend out of the knee protection belt body (10) and respectively form a closed-loop structure through a hasp (30).
6. The medical knee brace with adjustable device of claim 5, wherein: the first leg binding belt (42), the second leg binding belt (43) and the upper bracket (41) are of an integrated structure, and the third leg binding belt (52), the fourth leg binding belt (53) and the lower bracket (51) are of an integrated structure.
7. The medical knee brace with adjustable device of claim 4, wherein: the rotation adjustment device (60) comprises:
the upper end of the upper rotating seat (61) is fixedly connected with the lower end of the upper bracket (41), the lower end of the upper rotating seat (61) is provided with an arc-shaped guide plate (62), the center of the arc-shaped guide plate (62) is provided with a connecting arm (63), and the upper end of the connecting arm (63) is provided with a mounting groove (64);
the locking button (65) is arranged in the mounting groove (64) in a sliding mode, a thrust spring (66) is arranged between the locking button (65) and the inner wall of the mounting groove (64), the thrust spring (66) is in a compressed state and applies thrust to the locking button (65), and clamping teeth (67) are arranged on the lower end face of the locking button (65);
a lower rotating seat (68), wherein a lower rotating seat (68) is further arranged below the upper rotating seat (61), the lower end of the lower rotating seat (68) is fixedly intercepted by the lower support (51), a guide convex plate (69) is arranged above the lower rotating seat (68), the outline of the guide convex plate (69) is consistent with the outline of the arc-shaped guide plate (62), and a cavity structure is arranged inside the lower rotating seat (68);
be equipped with V-arrangement board (610) in the internal cavity of seat (68) down soon, the thickness of V-arrangement board (610) does down revolve half of seat (68) thickness, the lower extreme of V-arrangement board (610) is equipped with hinge hole (611), hinge hole (611) with linking arm (63) are articulated through the pivot, linking arm (63) are arranged in the inner chamber of the other half thickness of V-arrangement board (610), the inside rigid coupling that still has cambered plate (612) of V-arrangement board (610), the up end of cambered plate (612) is equipped with a plurality of draw-in grooves (613), the overall dimension of draw-in groove (613) with the overall dimension looks adaptation of latch (67).
8. The medical knee brace with adjustable device of claim 7, wherein: the rotation adjustment device (60) further has an interlock device (70), the interlock device (70) including:
the section of the upper lock frame (71) is L-shaped, the upper end of the upper lock frame is provided with a fixed connection edge (72), and the upper lock frame (71) is fixedly connected to the side wall of the upper rotary seat (61) through a screw;
the lower lock frame (73) is L-shaped in cross section, the lower end of the lower lock frame is also provided with a fixed connection edge (72), and the lower lock frame (73) is fixedly connected to the side wall of the lower rotary seat (68) through a screw;
the interlocking plate (74) is arranged among the upper locking frame (71), the lower locking frame (73) and the rotary adjusting device (60), and interlocking components are symmetrically arranged at the upper end and the lower end of the interlocking plate (74);
the interlocking member includes:
the locking device comprises a locking cavity (75), the locking cavity (75) is formed in the interlocking plate (74), a locking block (76) which can slide up and down is arranged in the locking cavity (75), the locking block (76) is E-shaped, the length of one side in the middle of the locking block is smaller than the lengths of two side edges, two compression springs (77) are arranged on the upper end face of the interlocking plate (74), the compression springs (77) apply thrust to the locking block (76), one end of a pull rope (78) is fixedly connected to the upper end face of the locking block (76), the other end of the pull rope (78) is connected with a pull rod (79), the pull rod (79) is arranged in a sliding cavity (710), and return holes (711) corresponding to the sliding cavity (710) are formed in the upper locking frame (71) and the lower locking frame (73);
the lock cylinder (712) is integrally formed on one side, close to the interlocking plate (74), of the upper lock frame (71) and the lower lock frame (73), the lock cylinder (712) is arranged on the upper end face and the lower end face of the lock cylinder (712) in a penetrating mode, and the outline of the lock hole (713) is consistent with the outline of one side in the middle of the lock block (76);
fagging (714), locking button (65) orientation one side of interlocking board (74) is provided with fagging (714) through connecting plate (715), the height that highly is greater than connecting plate (715) of fagging (714), fagging (714) run through interlocking board (74) are kept away from the side of rotation regulation device (60), the up end and the lower terminal surface of fagging (714) with two side contact cooperations of locking piece (76).
9. The medical knee brace with adjustable device of claim 8, wherein: the angle detection module comprises a signal transmission circuit, the signal transmission circuit comprises an input circuit, a differential amplification circuit, a bias common source gain circuit and an output circuit,
the input circuit includes:
the first input end B1 is sequentially connected with an inductor I1 and a capacitor C1 in series;
the second input end B2 is sequentially connected in series with an inductor I2 and a capacitor C2;
two ends of the variable resistor R1 are respectively connected with one end of the capacitor C1 which is not connected with the inductor I1 and one end of the capacitor C2 which is not connected with the inductor I2, and the resistor head is connected with the capacitor C3 in series and then grounded;
the differential amplifier circuit includes:
a transistor M1, the grid of which is connected with one end of the variable resistor R1 connected with the capacitor C1, the drain of which is grounded, and the source of which is connected with one end of the variable resistor R1 connected with the capacitor C2 through the capacitor C4;
a transistor M2, a gate of which is connected to one end of the variable resistor R1 connected to the capacitor C1, a drain of which is grounded, and a source of which is connected to one end of the capacitor C5 and one end of the variable resistor R2, respectively;
a transistor M3 having a gate connected to one end of the variable resistor R1 connected to the capacitor C2, a gate connected to the source of the transistor M1 via the capacitor C4, a drain connected to ground, and a source connected to one end of the variable resistor R2;
a transistor M4, a gate of which is connected to the end of the variable resistor R1 connected to the capacitor C2, a drain of which is grounded, and a source of which is connected to the capacitor C5 and the end of the variable resistor R2 not connected to the transistor M2, respectively;
the variable resistor R2 is connected with the resistor head to the ground;
the bias common-source gain circuit comprises:
a transistor M5 having a gate connected to one end of the variable resistor R2 connection transistor M2 through a capacitor C6, a resistor R3 through a capacitor C8, a drain connected to ground, and a source connected to one end of the variable resistor R5;
a transistor M6 having a gate connected to the end of the variable resistor R2 not connected to the transistor M2 through the capacitor C7, a resistor R4 through the capacitor C9, a drain connected to ground, and a source connected to the end of the variable resistor R5 not connected to the transistor M5;
the variable resistor R5 is connected with the resistor head to the ground;
the output circuit includes:
one end of the capacitor C10 is connected with the resistor R3 and the tuning variable capacitor Z1, and the other end of the capacitor C10 is connected with the inductor I3;
one end of the capacitor C11 is connected with the resistor R4 and the tuning variable capacitor Z1, and the other end of the capacitor C11 is connected with the inductor I4;
the output end T1 is connected with the inductor I3;
and the output end T2 is connected with the inductor I4.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911339024.9A CN110934681B (en) | 2019-12-23 | 2019-12-23 | Medical knee protection belt with adjustable device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911339024.9A CN110934681B (en) | 2019-12-23 | 2019-12-23 | Medical knee protection belt with adjustable device |
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| CN110934681A true CN110934681A (en) | 2020-03-31 |
| CN110934681B CN110934681B (en) | 2021-11-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111869948A (en) * | 2020-08-07 | 2020-11-03 | 安徽省康富医疗用品有限公司 | Reinforced sports knee pad |
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| CN110934681B (en) | 2021-11-02 |
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