CN111067754A - Differential lifting adjusting device of massage chair shank massage mechanism - Google Patents
Differential lifting adjusting device of massage chair shank massage mechanism Download PDFInfo
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- CN111067754A CN111067754A CN201911257322.3A CN201911257322A CN111067754A CN 111067754 A CN111067754 A CN 111067754A CN 201911257322 A CN201911257322 A CN 201911257322A CN 111067754 A CN111067754 A CN 111067754A
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- 230000007246 mechanism Effects 0.000 title claims abstract description 98
- 239000011295 pitch Substances 0.000 claims abstract description 9
- 238000001514 detection method Methods 0.000 claims description 58
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 abstract 3
- 210000002414 leg Anatomy 0.000 description 63
- 210000001699 lower leg Anatomy 0.000 description 23
- 239000002184 metal Substances 0.000 description 17
- 244000309466 calf Species 0.000 description 4
- 230000006698 induction Effects 0.000 description 3
- 230000005484 gravity Effects 0.000 description 2
- 210000003141 lower extremity Anatomy 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 208000012260 Accidental injury Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
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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
- A61H1/02—Stretching or bending or torsioning apparatus for exercising
- A61H1/0237—Stretching or bending or torsioning apparatus for exercising for the lower limbs
-
- 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
- A61H2201/12—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
- A61H2203/00—Additional characteristics concerning the patient
- A61H2203/04—Position of the patient
- A61H2203/0425—Sitting on the buttocks
-
- 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
- A61H2205/10—Leg
- A61H2205/106—Leg for the lower legs
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Massaging Devices (AREA)
Abstract
The invention discloses a differential lifting adjusting device of a massage chair shank massage mechanism, which comprises an installation bracket, wherein the installation bracket is provided with a motor and a screw rod, the motor drives the screw rod to rotate on the installation bracket, the screw rod comprises an upper section screw rod and a lower section screw rod which are coaxially connected, the screw pitches of the upper section screw rod and the lower section screw rod are different, and the screw rod is provided with a shank lifting slide block and a foot lifting slide block; the mounting bracket is provided with a fixed chute which is provided with a leg sliding rail and a foot sliding rail in a sliding manner; the leg connecting mechanism is connected with the leg lifting sliding block and the leg sliding rail respectively, and the foot connecting mechanism is connected with the foot lifting sliding block and the foot sliding rail respectively. The invention adopts two-section type screw rods which are coaxially arranged to be respectively matched with the two slide blocks so as to drive the leg massage component and the foot massage component to realize synchronous differential lifting, and has the advantages of simple structure, small occupied assembly space and safe and reliable use.
Description
Technical Field
The invention belongs to the technical field of massage chairs, and particularly relates to a differential lifting adjusting device of a shank massage mechanism of a massage chair.
Background
The massage chair comprises a back massage mechanism and a shank massage mechanism, and the shank massage mechanism is usually arranged to be a lifting type in order to adapt to different heights of human bodies and to be convenient to store, for example, the massage chair structure disclosed by CN201912424U can automatically stretch according to the height of the human body, or the massage chair structure disclosed by CN205054764U can automatically stretch according to the height of the human body, and the massage chair structure discloses a simple and automatic shank stretching mechanism. For example, CN206315251U discloses a telescopic lower limb massage structure, which uses a master-slave two-stage lead screw mechanism to respectively drive the leg massage component and the foot massage component to realize differential extension, or CN205411571U discloses a telescopic lower limb massage machine, which uses a driving mechanism composed of a lead screw and a gear rack to respectively drive the leg massage component and the foot massage component to realize differential extension, the two differential lifting structures have the advantages that only one motor driving device is used to realize differential extension of the leg massage component and the foot massage component, however, the driving device has a complicated structure, and particularly, the driving device of the master-slave two-stage screw rod mechanism occupies a large assembly space, which is not favorable for the overall intensive assembly of the shank massage mechanism.
Disclosure of Invention
In view of the above-mentioned deficiencies of the prior art, the present invention provides a differential lifting adjustment device for a leg massage mechanism of a massage chair, which employs two coaxially disposed segment screws to respectively cooperate with two sliders to drive a leg massage component and a foot massage component to achieve synchronous differential lifting.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows.
A differential lifting adjusting device of a massage chair shank massage mechanism comprises a mounting bracket, wherein the mounting bracket is provided with a motor and a screw rod, the motor drives the screw rod to rotate on the mounting bracket, the screw rod comprises an upper section screw rod and a lower section screw rod which are coaxially connected, and the screw rod is provided with a leg lifting slide block matched with the upper section screw rod and a foot lifting slide block matched with the lower end screw rod; the mounting bracket is provided with a fixed chute parallel to the screw rod, and the fixed chute is provided with a leg sliding rail and a foot sliding rail in a sliding manner; the leg connecting mechanism is respectively connected with the leg lifting slide block and the leg slide rail, and the foot connecting mechanism is respectively connected with the foot lifting slide block and the foot slide rail; the screw pitches of the upper section screw rod and the lower end screw rod are different.
Wherein, fixed spout includes that the spout is decided with shank slide rail sliding fit's shank and the spout is decided with foot slide rail sliding fit's foot, the installing support is provided with spout connecting portion, the spout is decided to the shank with the spout is decided to the foot set up in the both sides of spout connecting portion. Further, the spout is decided to the shank with the spout is decided to the foot set up in the both sides that spout connecting portion is relative, preferentially, fixed spout is two sets of that bilateral symmetry set up, and the spout is decided to the shank of every fixed spout of group and the spout is decided to the foot set up in relative both sides about spout connecting portion.
The screw pitch of the upper section screw rod is larger than that of the lower end screw rod. The upper section screw rod is a single-head screw rod, and the lower section screw rod is a double-head or multi-head screw rod. Preferably, the pitch ratio of the upper section screw rod to the lower end screw rod is 2: 1, further, the outer diameter of upper segment lead screw with the lower extreme lead screw is the same, and single lead screw is chooseed for use to the upper segment lead screw, and double-end lead screw is chooseed for use to the hypomere lead screw.
The driving wheel is arranged on a rotating shaft of the motor, the driven wheel is arranged at the end part of the screw rod, and the driving wheel is in transmission connection with the driven wheel through a belt. The leg connecting mechanism and/or the foot connecting mechanism are/is provided with a lifting stroke limit detection device. The lifting travel limit detection device can adopt a conventional photoelectric, magnetic induction or mechanical travel detection switch.
Further, the foot connecting mechanism is provided with a ground contact detection device, and the ground contact detection device comprises a detection roller which is installed at the bottom of the foot connecting mechanism in a biased mode through an elastic piece and a ground contact detection sensor matched with the detection roller. Still include and prevent pressing from both sides detection device, prevent pressing from both sides detection device include through the elastic component biasing install in the detection piece of installing support and with this detection piece complex prevent pressing from both sides detection sensor, it stretches out in the installing support outside to detect the piece towards massage armchair one side.
After the technical scheme is adopted, compared with the prior art, the invention has the advantages that.
The invention is suitable for differential lifting adjustment of leg massage components and foot massage components of a crus massage mechanism, a single motor is adopted to drive two-section lead screws which are coaxially connected to rotate, and then two sliding blocks which are respectively matched with the upper section lead screw and the lower section lead screw are used for driving corresponding leg connecting mechanisms and foot connecting mechanisms to realize synchronous differential lifting adjustment along the fixed sliding grooves. Compared with the leg telescopic adjusting structure of the existing massage chair, the leg telescopic adjusting structure of the massage chair has the advantages of simple structure, smaller occupied assembly space and safer and more reliable use.
Drawings
The invention is further illustrated with reference to the following figures and examples.
Fig. 1 is a schematic view of an assembled structure of the massage chair.
Fig. 2 is a schematic view of the hidden leg attachment mechanism of the present invention.
Fig. 3 is a schematic front side structure of the present invention.
Fig. 4 is a rear side structural view of the present invention.
Fig. 5 is a schematic view of the hidden mounting bracket of the present invention.
Fig. 6 is a schematic exploded view of the present invention.
In the figure, 100 parts of a calf massage mechanism, 110 parts of a leg massage component, 120 parts of a foot massage component, 90 parts of a seat, 91 parts of an electric push rod, 10 parts of a mounting bracket, 11 parts of a leg connecting mechanism, 12 parts of a foot connecting mechanism, 20 parts of a motor, 21 parts of a driving wheel, 22 parts of a belt, 23 parts of a driven wheel, 30 parts of a screw rod, 31 parts of an upper section screw rod, 32 parts of a lower section screw rod, 41 parts of a leg lifting slide block, 42 parts of a foot lifting slide block, 50 parts of a slide groove connecting part, 51 parts of a leg fixing slide groove, 52 parts of a foot fixing slide groove, 53 parts of a leg slide rail, 54 parts of a foot slide rail, 61 parts of a detection roller, 62 parts of a ground contact detection sensor, 70 parts of a through hole, 71 parts of a.
Detailed Description
The following description is only a preferred embodiment of the present invention, and does not limit the scope of the present invention.
Referring to fig. 1, the differential lifting adjustment device of the massage chair calf massage mechanism 100 comprises a mounting bracket 10, wherein the mounting bracket 10 is rotatably connected with the seat 90 side of the massage chair, and the mounting bracket 10 is pushed by an electric push rod 91 arranged on the massage chair, so as to realize the rotation angle adjustment between the mounting bracket 10 and the seat 90.
Referring to fig. 1-6, the mounting bracket 10 is provided with a motor 20 and a screw rod 30, the motor 20 drives the screw rod 30 to rotate on the mounting bracket 10, wherein the screw rod 30 is rotatably erected on the mounting bracket 10 through a bearing, a rotating shaft of the motor 20 is arranged in parallel with the screw rod 30, the rotating shaft of the motor 20 is provided with a driving wheel 21, an end of the screw rod 30 is provided with a driven wheel 23, and the driving wheel 21 is in transmission connection with the driven wheel 23 through a belt 22.
The screw rod 30 comprises an upper section screw rod 31 and a lower section screw rod 32 which are coaxially connected, the screw rod 30 is provided with a leg lifting slide block 41 matched with the upper section screw rod 31 and a foot lifting slide block 42 matched with the lower end screw rod 32, and the leg lifting slide block 41 and the foot lifting slide block 42 are both provided with nuts in rolling fit with the screw rod 30 and used for converting the rotation of the screw rod 30 into the axial linear reciprocating motion of the leg lifting slide block 41 and the foot lifting slide block 42 along the screw rod 30.
The mounting bracket 10 is provided with a fixed sliding chute parallel to the screw rod 30, and the fixed sliding chute is provided with a leg sliding rail 53 and a foot sliding rail 54 in a sliding manner; the leg connecting mechanism 11 is used for mounting the leg massage component 110, and the foot connecting mechanism 12 is used for mounting the foot massage component 120, the leg connecting mechanism 11 is respectively connected with the leg lifting slide block 41 and the leg slide rail 53, and the foot connecting mechanism 12 is respectively connected with the foot lifting slide block 42 and the foot slide rail 54; in this embodiment, the screw rod 30 is erected in the middle of the mounting bracket 10, the left and right sides of the mounting bracket 10 are respectively provided with the fixed sliding grooves, the leg connecting mechanism 11 and the foot connecting mechanism 12 both comprise sheet metal parts, after the leg connecting mechanism 11 and the foot connecting mechanism 12 are respectively fixedly connected with the leg lifting slider 41 and the foot lifting slider 42, the two sides of the leg connecting mechanism 11 and the foot connecting mechanism 12 are respectively fixedly connected with the leg sliding rail 53 and the foot sliding rail 54 in the fixed sliding grooves, wherein the leg sliding rail 53 and the foot sliding rail 54 are in sliding fit with the fixed sliding grooves, so that the leg lifting slider 41 and the foot lifting slider 42 are guided along the axial linear motion of the screw rod 30, and the lifting operation of the leg connecting mechanism 11 and the foot connecting mechanism 12 can be more stable and reliable.
The upper section screw rod 31 and the lower end screw rod 32 have different screw pitches, and the function of the upper section screw rod 31 and the lower end screw rod 32 is to enable the leg connecting mechanism 11 and the foot connecting mechanism 12 to achieve synchronous differential lifting adjustment along the axial direction of the screw rod 30. According to the normal configuration of the human leg, the leg massage assembly 110 and the foot massage assembly 120 are adjusted to be raised and lowered in use at a distance ratio of about 1: 2, that is, in the case of synchronous lifting adjustment of the leg massage unit 110 and the foot massage unit 120, the lifting speed ratio should also be 1: 2 is preferred. For the purpose of differential adjustment, the pitch of the upper section screw rod 31 is greater than the pitch of the lower end screw rod 32, in this embodiment, in order to keep the smooth rotation of the screw rod 30, the outer diameters of the upper section screw rod 31 and the lower end screw rod 32 are the same, and the upper section screw rod 31 is a single-head screw rod, while the lower section screw rod 32 is a double-head screw rod. The upper section screw 31 and the lower section screw 32 are coaxially connected, and may be welded or connected by other connecting structures, such as a bushing or a key.
The invention adopts the two-section lead screw which is coaxially connected, the essence of the lead screw is the structure of a single lead screw, the lead screw is completely different from the existing master-slave two-stage lead screw mechanism, the mechanism arrangement of the fixed sliding chute and the sliding block based on the single lead screw is simpler, the occupied assembly space is smaller, and the use is safer and more reliable. On the basis of the structure, the assembly space can be further optimized, for example, the fixed sliding groove comprises a leg fixed sliding groove 51 in sliding fit with a leg sliding rail 53 and a foot fixed sliding groove 52 in sliding fit with a foot sliding rail 54, the mounting bracket 10 is provided with a sliding groove connecting part 50, it is to be noted that the mounting bracket 10 can also be made of sheet metal parts, the sheet metal parts of the mounting bracket 10 and the sheet metal parts of the leg connecting mechanism 11 and the foot connecting mechanism 12 are overlapped, the motor 20 can be clamped between the sheet metal parts of the leg connecting mechanism 11 and the sheet metal parts of the mounting bracket 10, the sheet metal parts of the foot connecting mechanism 12 are arranged close to the sheet metal parts of the mounting bracket 10, the lead screw 30 is positioned between the sheet metal parts of the foot connecting mechanism 12 and the sheet metal parts of the leg connecting mechanism 11, and further, the leg lifting sliding blocks 41 and the foot lifting sliding blocks 42 can be clamped between the sheet metal parts of the foot connecting mechanism 11 and the sheet metal parts of the In order to compress the assembling space of the differential lifting adjusting device as much as possible, and leave sufficient design space for the leg massage assembly 110 and the foot massage assembly 120; further, the leg fixing sliding grooves 51 and the foot fixing sliding grooves 52 are formed in two sides of the sliding groove connecting portion 50, in this embodiment, the leg fixing sliding grooves 51 and the foot fixing sliding grooves 52 are formed in two opposite left and right sides of the sliding groove connecting portion 50, so that the assembling thickness between the sheet metal part of the foot connecting mechanism 12 and the sheet metal part of the leg connecting mechanism 11 is further reduced. The chute connecting portion 50 is a folded edge formed by bending at two sides of the sheet metal part of the mounting bracket 10, and the leg fixing chute 51 and the foot fixing chute 52 are fixedly connected to the left and right sides of the folded edge at each side of the mounting bracket 10 by screws.
The leg connecting mechanism 11 and/or the foot connecting mechanism 12 are provided with a lifting stroke limit detection device 80. The lifting travel limit detection device 80 may be implemented by a conventional photoelectric, magnetic induction or mechanical travel detection switch, and when the leg connecting mechanism 11 and/or the foot connecting mechanism 12 is lifted to a limit position, the detection switch triggers and feeds back a corresponding detection control signal, and the lifting travel limit detection device 80 is prior art and will not be described in detail.
Further, referring to fig. 4 and 5, the foot connecting mechanism 12 is provided with a ground contact detecting device, the ground contact detecting device includes a detecting roller 61 mounted at the bottom of the foot connecting mechanism 12 through biasing of an elastic member and a ground contact detecting sensor 62 cooperating with the detecting roller 61, in the present embodiment, the bottom of the foot connecting mechanism 12 is provided with a cross bar for mounting the roller, the detecting roller 61 is mounted on the cross bar through biasing of a torsion spring, and it should be noted that the detecting roller 61 may be separately provided at the middle of the cross bar or provided at the end of the cross bar for supporting the foot connecting mechanism at the same time. When the foot connecting mechanism 12 extends along with the foot lifting slider 42 and the detecting roller 61 at the bottom of the foot connecting mechanism 12 touches the ground, the wall surface or other obstacles, the detecting roller 61 is lifted upwards by a certain angle against the elastic biasing force of the torsion spring, so that the detecting roller 61 triggers the ground contact detecting sensor 62, and the ground contact detecting sensor 62 feeds back a corresponding detecting control signal to ensure the safe use of the present calf massage mechanism 100.
Further, refer to fig. 1, 4 and 5, still include and prevent pressing from both sides detection device, prevent pressing from both sides detection device include through the elastic component biasing install in installing support 10 detect the piece 71 and with should detect piece 71 complex prevent pressing from both sides detection sensor 72, detect piece 71 and stretch out in installing support 10 outside towards seat support 90 one side of massage armchair. Because the shank massage mechanism 100 can rotate relative to the seat 90 of the massage chair, so that a shearing included angle is formed between the shank massage mechanism 100 and the seat 90, and the shearing included angle can cause accidental injury to a user, in order to solve the problem, the invention is provided with the anti-pinch detection device, specifically, the anti-pinch detection device is arranged on a sheet metal part of the mounting bracket 10, a through hole 70 for the detection block 71 to extend out is arranged on the sheet metal part of the mounting bracket 10, under the normal state, the detection block 71 extends out of the through hole 70 under the elastic force action of a torsion spring, if a human leg or other obstacles are clamped at the included angle position between the seat 90 and the shank massage mechanism 100, the detection block 71 is forced to move to the anti-pinch detection sensor 72, so as to trigger the anti-pinch detection sensor 72, and the anti-pinch detection sensor 72 feeds back a corresponding detection control signal, to ensure the safety of the present calf massage mechanism 100, the anti-pinch detection sensor 72 can be a conventional photoelectric, magnetic induction or mechanical detection device. Preferably, prevent pressing from both sides detection device and set up between electric putter 91's output and shank massage mechanism 100, under the normal condition, shank massage mechanism 100's gravity acts on electric putter 91's output all the time, this prevents pressing from both sides detection device and places in between shank massage mechanism 100 and electric putter 91's output all the time promptly, this prevents pressing from both sides detection device feedback normal detected signal this moment, in case there are other foreign matters to be pressed from both sides and place in between seat support 90 and shank massage mechanism 100, this moment shank massage mechanism 100's gravity transmits to seat support 90 with this quilt clamp, and make and produce the clearance between shank massage mechanism 100 and electric putter 91's the output, thereby can make this prevent pressing from both sides detection device's detection piece 71 or opto-coupler detection part pop out through-hole 70, this prevents pressing from both sides detection device can the feedback and detect unusual detected signal promptly. The anti-pinch detection device is arranged between the output ends of the lower leg massage mechanism 100 and the electric push rod 91, so that effective and accurate detection of anti-pinch abnormal signals can be ensured.
The working process of the invention is as follows: under the normal state, the leg lifting slider 41 of the leg connecting mechanism 11 and the foot lifting slider 42 of the foot connecting mechanism 12 respectively lift to the upper end positions of the upper section screw rod 31 and the lower section screw rod 32, and at the moment, the leg massage assembly 110 and the foot massage assembly 120 are in the contraction state; when the device is used, the motor 20 drives the screw rod 30 to rotate, so that the leg lifting slide block 41 and the foot lifting slide block 42 are driven to synchronously descend along the screw rod 30 in a differential manner, and are controlled to descend to the maximum descending position according to a detection signal fed back by the lifting stroke limit detection device 80, after the maximum descending position is reached, the motor 20 is controlled to reversely rotate, the screw rod 30 is driven to reversely rotate, so that the leg lifting slide block 41 and the foot lifting slide block 42 are driven to synchronously ascend in a differential manner along the screw rod 30 until a detection device (conventional structure) of the foot massage component 120 is abutted against the sole of a foot and feeds back a corresponding detection control signal, and at the moment, the lifting adjustment of the leg massage component 110 and the foot; after the massage is finished, the motor 20 continues to drive the screw rod 30 to rotate, so that the leg lifting slide block 41 and the foot lifting slide block 42 are reset.
The above description is only a preferred embodiment of the present invention, and all equivalent changes or modifications of the structure, characteristics and principles described in the present invention are included in the scope of the present invention.
Claims (10)
1. The utility model provides a differential lifting adjusting device of massage armchair shank massage mechanism, includes installing support (10), and installing support (10) are provided with motor (20) and lead screw (30), and motor (20) drive lead screw (30) rotate on installing support (10), its characterized in that:
the lead screw (30) comprises an upper section lead screw (31) and a lower section lead screw (32) which are coaxially connected, and the lead screw (30) is provided with a leg lifting slide block (41) matched with the upper section lead screw (31) and a foot lifting slide block (42) matched with the lower end lead screw (32);
the mounting bracket (10) is provided with a fixed sliding chute parallel to the screw rod (30), and the fixed sliding chute is provided with a leg sliding rail (53) and a foot sliding rail (54) in a sliding manner;
the leg massage mechanism is characterized by further comprising a leg connecting mechanism (11) used for mounting the leg massage component (110) and a foot connecting mechanism (12) used for mounting the foot massage component (120), wherein the leg connecting mechanism (11) is respectively connected with the leg lifting slide block (41) and the leg slide rail (53), and the foot connecting mechanism (12) is respectively connected with the foot lifting slide block (42) and the foot slide rail (54);
the screw pitches of the upper section screw rod (31) and the lower end screw rod (32) are different.
2. The differential lifting adjusting device of the massage chair shank massage mechanism as claimed in claim 1, wherein: fixed spout includes that spout (51) are decided to the shank with shank slide rail (53) sliding fit's spout and decide spout (52) with foot slide rail (54) sliding fit's foot, installing support (10) are provided with spout connecting portion (50), spout (51) are decided to the shank with spout (52) are decided to the foot set up in the both sides of spout connecting portion (50).
3. The differential lifting adjusting device of the massage chair shank massage mechanism as claimed in claim 1, wherein: the leg fixing sliding groove (51) and the foot fixing sliding groove (52) are arranged on two opposite sides of the sliding groove connecting part (50).
4. The differential lifting adjusting device of the massage chair shank massage mechanism as claimed in claim 1, wherein: the screw pitch of the upper section screw rod (31) is larger than that of the lower end screw rod (32).
5. The differential lifting adjusting device of the massage chair shank massage mechanism as claimed in claim 1, wherein: the upper section screw rod (31) is a single-head screw rod, and the lower section screw rod (32) is a double-head or multi-head screw rod.
6. The differential lifting adjusting device of the massage chair shank massage mechanism as claimed in claim 1, wherein: the outer diameters of the upper section screw rod (31) and the lower end screw rod (32) are the same.
7. The differential lifting adjusting device of the massage chair shank massage mechanism as claimed in claim 1, wherein: the rotating shaft of the motor (20) is provided with a driving wheel (21), the end part of the screw rod (30) is provided with a driven wheel (23), and the driving wheel (21) is in transmission connection with the driven wheel (23) through a belt (22).
8. The differential lifting adjusting device of the massage chair shank massage mechanism as claimed in claim 1, wherein: the leg connecting mechanism (11) and/or the foot connecting mechanism (12) are/is provided with a lifting stroke limit detection device (80).
9. The differential lifting adjusting device of the massage chair shank massage mechanism as claimed in claim 1, wherein: the foot connecting mechanism (11) is provided with a ground contact detection device which comprises a detection roller (61) which is installed at the bottom of the foot connecting mechanism (11) in a biased mode through an elastic piece and a ground contact detection sensor (62) matched with the detection roller (61).
10. The differential lifting adjusting device of the massage chair shank massage mechanism as claimed in claim 1, wherein: still include and prevent pressing from both sides detection device, prevent pressing from both sides detection device including installing in detection piece (71) of installing support (10) and with this detection (71) piece complex through the elastic component biasing voltage prevent pressing from both sides detection sensor (72), it stretches out in installing support (10) outside towards massage armchair one side to detect piece (71).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911257322.3A CN111067754A (en) | 2019-12-10 | 2019-12-10 | Differential lifting adjusting device of massage chair shank massage mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911257322.3A CN111067754A (en) | 2019-12-10 | 2019-12-10 | Differential lifting adjusting device of massage chair shank massage mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN111067754A true CN111067754A (en) | 2020-04-28 |
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|---|---|---|---|
| CN201911257322.3A Pending CN111067754A (en) | 2019-12-10 | 2019-12-10 | Differential lifting adjusting device of massage chair shank massage mechanism |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111643314A (en) * | 2020-06-10 | 2020-09-11 | 广西鹏翼隆健康科技有限公司 | A two-way electronic telescoping device of shank for on massage armchair |
| CN112206133A (en) * | 2020-09-17 | 2021-01-12 | 豪中豪健康科技有限公司 | Leg massage mechanism and control method thereof |
| CN113925754A (en) * | 2021-10-22 | 2022-01-14 | 常州纺织服装职业技术学院 | Low-energy-consumption comb head type massager |
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| CN101668505A (en) * | 2007-04-09 | 2010-03-10 | 发美利株式会社 | Massaging apparatus |
| CN201768125U (en) * | 2010-03-22 | 2011-03-23 | 宁波奥森健身器材科技有限公司 | Double-end lead-screw type electric chair leg and foot linkage and separation mechanism |
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| CN112206133A (en) * | 2020-09-17 | 2021-01-12 | 豪中豪健康科技有限公司 | Leg massage mechanism and control method thereof |
| CN113925754A (en) * | 2021-10-22 | 2022-01-14 | 常州纺织服装职业技术学院 | Low-energy-consumption comb head type massager |
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