CN112451302A - Adjustable massage chair back - Google Patents

Adjustable massage chair back Download PDF

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Publication number
CN112451302A
CN112451302A CN202011389986.8A CN202011389986A CN112451302A CN 112451302 A CN112451302 A CN 112451302A CN 202011389986 A CN202011389986 A CN 202011389986A CN 112451302 A CN112451302 A CN 112451302A
Authority
CN
China
Prior art keywords
sliding
massage
cavity
wall
fixedly arranged
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN202011389986.8A
Other languages
Chinese (zh)
Inventor
苏菲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin Qihao Commodity Co ltd
Original Assignee
Tianjin Qihao Commodity Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin Qihao Commodity Co ltd filed Critical Tianjin Qihao Commodity Co ltd
Priority to CN202011389986.8A priority Critical patent/CN112451302A/en
Publication of CN112451302A publication Critical patent/CN112451302A/en
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • A61H15/00—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains
    • A61H15/0078—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains power-driven
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H7/00—Devices for suction-kneading massage; Devices for massaging the skin by rubbing or brushing not otherwise provided for
    • A61H7/007—Kneading
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
    • A61H7/00—Devices for suction-kneading massage; Devices for massaging the skin by rubbing or brushing not otherwise provided for
    • A61H7/007—Kneading
    • A61H2007/009—Kneading having massage elements rotating on parallel output axis
    • 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
    • A61H15/00—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains
    • A61H2015/0007—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains with balls or rollers rotating about their own axis
    • A61H2015/0042—Balls or spheres
    • 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

Abstract

The invention discloses an adjustable massage chair back which comprises a chair back, wherein a transmission cavity is arranged in the chair back, an adjusting component is arranged in the transmission cavity, and the adjusting component comprises a threaded rod and an adjusting wheel, wherein the threaded rod is in threaded connection with the inner wall of the upper side of the transmission cavity, and the adjusting wheel is fixedly arranged at the upper end of the threaded rod; the invention is easy to carry, can be placed on any chair when in use, and can be used for massaging by a user at any time and any place, thereby being very convenient; the massage device is provided with the adjusting wheels, and the massage wheels are close to or far away from each other by rotating the adjusting wheels, so that the massage area is changed, and the purpose of meeting the massage requirements of people with different body types is achieved; the massage device is provided with the adjusting slide block and the plurality of groups of massage wheels, when all the massage wheels approach each other, the adjusting slide block can move backwards to drive all the massage wheels to be far away from the back of a person, so that the massage force is reduced, otherwise, the force is increased, and a user can obtain better massage experience.

Description

Adjustable massage chair back
Technical Field
The invention relates to the field of massage chairs, in particular to an adjustable massage chair back.
Background
The massage chair utilizes the mechanical rolling force action and the mechanical force extrusion to massage, and proper massage can relax people and relieve fatigue. Most of the existing massage chairs are fixed in structure and cannot be adjusted according to the sizes of human bodies, when the massage chairs are used by people with small or large body sizes, the massage effect cannot be completely achieved, and the people cannot relax effectively, so that a massage chair back with adjustable massage area and massage force is urgently needed.
Disclosure of Invention
The invention aims to provide an adjustable massage chair back to overcome the situation.
The invention is realized by the following technical scheme.
The adjustable massage chair back comprises a chair back, a transmission cavity is arranged in the chair back, an adjusting component is arranged in the transmission cavity, the adjusting assembly comprises a threaded rod, an adjusting wheel, a vertical sliding groove, a first sliding block, a reset spring, two first hinge blocks, two sliding frames, a second hinge block and a hinge rod, wherein the threaded rod is connected to the inner wall of the upper side of the transmission cavity in a threaded manner, the adjusting wheel is fixedly arranged at the upper end of the threaded rod, the vertical sliding groove is arranged on the inner wall of the rear side of the transmission cavity, the first sliding block is slidably arranged on the inner wall of the rear side of the vertical sliding groove and is abutted against the threaded rod, the reset spring is connected between the lower end of the first sliding block and the inner wall of the lower side of the vertical sliding groove, the two first hinge blocks are symmetrically and fixedly arranged at the left end and the right end of the first sliding block, the two sliding frames are symmetrically and slidably arranged on the inner;
the transmission cavity is internally provided with a relying component which comprises a first supporting column arranged on the inner wall of the rear side of the transmission cavity, a first leaning wheel arranged at the front end of the first supporting column, a second supporting column arranged on the inner wall of the rear side of the transmission cavity, a leather arranged on the front end face of the chair back and arranged on the second leaning wheel arranged at the front end of the second supporting column, and the transmission cavity is internally provided with two massage components with the threaded rod as a symmetrical center.
Wherein, the adjusting component also comprises two first chutes which are arranged on the inner wall of the rear side of the transmission cavity in a bilateral symmetry manner, an adjusting slide block is arranged in the first chute in a sliding manner, a sliding frame chute is arranged in the sliding frame, the adjusting slide block is connected with the sliding frame chute in a sliding manner, two limiting chutes are symmetrically arranged on the inner walls of the upper side and the lower side of the first chute, two limiting slide blocks are correspondingly arranged in the two limiting chutes in a sliding manner, the upper side of each limiting slide block is fixedly connected with the upper end of the adjusting slide block, the lower side of each limiting slide block is fixedly connected with the lower end of the adjusting slide block, the inner wall of the rear side of the transmission cavity is provided with a second chute, a second slide block is arranged in the second chute in a sliding manner, the second slide block is connected with the sliding frame chute in a sliding manner, the inner wall, the third sliding block is connected with the sliding frame sliding groove in a sliding mode.
Wherein the massage component comprises a first shell fixedly arranged at the front end of the adjusting slide block, a first cavity is arranged in the first shell, a motor is fixedly arranged at the lower end of the first shell, the upper end of the motor is in power connection with a motor shaft extending upwards, the motor shaft is rotationally connected with the inner wall of the upper side of the first cavity and the inner wall of the lower side of the first cavity, a first bevel gear positioned in the first cavity is fixedly arranged on the motor shaft, a first massage wheel shaft extending forwards into the transmission cavity is rotationally arranged on the inner wall of the front side of the first cavity, a second bevel gear meshed with the first bevel gear is fixedly arranged at the rear end of the first massage wheel shaft, a first massage wheel is fixedly arranged at the front end of the first massage wheel shaft, a second shell is fixedly arranged at the front end of the second slide block, a second cavity is arranged in the second shell, and a first sliding shaft extending downwards into the transmission cavity is rotationally arranged on the inner wall of the upper side of the, the first sliding shaft is connected with the motor shaft in a sliding manner through a spline, a third bevel gear positioned in the second cavity is fixedly arranged on the first sliding shaft, a second massage wheel shaft extending forwards is rotatably arranged on the inner wall of the front side of the second cavity, a fourth bevel gear meshed with the third bevel gear is fixedly arranged at the rear end of the second massage wheel shaft, a second massage wheel is fixedly arranged at the front end of the second massage wheel shaft, a third shell is fixedly arranged at the front end of the third sliding block, a third cavity is arranged in the third shell, a second sliding shaft extending downwards into the transmission cavity is rotatably arranged on the upper side of the third cavity, the second sliding shaft is connected with the motor shaft in a sliding manner through a spline, a fifth bevel gear positioned in the third cavity is fixedly arranged on the second sliding shaft, and a third massage wheel shaft extending forwards is rotatably arranged on the inner wall of the front side of the third cavity, and a sixth bevel gear in meshed connection with the fifth bevel gear is fixedly arranged at the rear end of the third massage wheel shaft, and a third massage wheel is fixedly arranged at the front end of the third massage wheel shaft.
Preferably, five elastic rubber blocks are fixedly arranged on the front end surfaces of the first massage wheel, the second massage wheel and the third massage wheel.
The invention has the beneficial effects that: the invention is easy to carry, can be placed on any chair when in use, and can be used for massaging by a user at any time and any place, thereby being very convenient; the massage device is provided with the adjusting wheels, and the massage wheels are close to or far away from each other by rotating the adjusting wheels, so that the massage area is changed, and the purpose of meeting the massage requirements of people with different body types is achieved; the massage device is provided with the adjusting slide block and the plurality of groups of massage wheels, when all the massage wheels approach each other, the adjusting slide block can move backwards to drive all the massage wheels to be far away from the back of a person, so that the massage force is reduced, otherwise, the force is increased, and a user can obtain better massage experience.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic view of the structure in the direction "A-A" of FIG. 1;
FIG. 3 is a schematic view of the structure in the direction "B-B" of FIG. 2;
FIG. 4 is a schematic view of the structure in the direction "C-C" of FIG. 1.
Detailed Description
The invention will now be described in detail with reference to fig. 1-4, wherein for ease of description the orientations described hereinafter are now defined as follows: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
With reference to fig. 1-4, an adjustable massage chair back comprises a chair back 11, a transmission cavity 12 is arranged in the chair back 11, an adjusting component 901 is arranged in the transmission cavity 12, the adjusting component 901 comprises a threaded rod 28 connected with the upper side inner wall of the transmission cavity 12 in a threaded manner, an adjusting wheel 29 fixedly arranged at the upper end of the threaded rod 28, a vertical chute 25 arranged on the rear side inner wall of the transmission cavity 12, a first sliding block 27 slidably arranged on the rear side inner wall of the vertical chute 25 and abutted to the threaded rod 28, a return spring 26 connected between the lower end of the first sliding block 27 and the lower side inner wall of the vertical chute 25, two first hinge blocks 24 symmetrically fixedly arranged at the left end and the right end of the first sliding block 27, two sliding frames 13 symmetrically slidably arranged on the lower side inner wall of the transmission cavity 12, and second hinge blocks 22 correspondingly fixedly arranged at one end of the sliding frame 13 close to the threaded rod 28, A hinge rod 23 hinged between the front end of the second hinge block 22 and the front end of the first hinge block 24 on the same side;
be equipped with in the transmission cavity 12 and rely on subassembly 902, rely on subassembly 902 including set firmly in the first support column 33 of transmission cavity 12 rear side inner wall, set firmly in the first wheel 32, set firmly in of relying on of first support column 33 front end the second support column 17 of transmission cavity 12 rear side inner wall, set firmly in the second of second support column 17 front end is relied on wheel 18, set firmly in the leather 57 of terminal surface before the back of the chair 11, still be equipped with one in the transmission cavity 12 with threaded rod 28 is two massage subassembly 903 that are used for massaging the back as the symmetric center.
According to the embodiment, the adjusting assembly 901 will be described in detail below, the adjusting assembly 901 further includes two first sliding grooves 15 symmetrically disposed on the rear inner wall of the transmission cavity 12, an adjusting slider 34 is slidably disposed in the first sliding grooves 15, a sliding frame sliding groove 14 is disposed in the sliding frame 13, the adjusting slider 34 is slidably connected to the sliding frame sliding groove 14, two limiting sliding grooves 41 are symmetrically disposed on the upper and lower inner walls of the first sliding groove 15, two limiting sliders 40 are correspondingly slidably disposed in the two limiting sliding grooves 41, the upper limiting slider 40 is fixedly connected to the upper end of the adjusting slider 34, the lower limiting slider 40 is fixedly connected to the lower end of the adjusting slider 34, a second sliding groove 31 is disposed on the rear inner wall of the transmission cavity 12, a second slider 44 is slidably disposed in the second sliding groove 31, and the second slider 44 is slidably connected to the sliding frame sliding groove 14, the inner wall of the rear side of the transmission cavity 12 is provided with a third sliding groove 30, a third sliding block 53 is slidably arranged in the third sliding groove 30, and the third sliding block 53 is slidably connected with the sliding frame sliding groove 14.
According to the embodiment, the massage component 903 is described in detail below, the massage component 903 includes a first housing 36 fixed to the front end of the adjusting slider 34, a first cavity 56 is disposed in the first housing 36, a motor 35 is fixed to the lower end of the first housing 36, an upwardly extending motor shaft 19 is dynamically connected to the upper end of the motor 35, the motor shaft 19 is rotatably connected to the upper inner wall of the first cavity 56 and the lower inner wall of the first cavity 56, a first bevel gear 39 located in the first cavity 56 is fixed to the motor shaft 19, a first massage wheel shaft 37 extending forward into the transmission cavity 12 is rotatably disposed on the front inner wall of the first cavity 56, a second bevel gear 38 engaged with the first bevel gear 39 is fixed to the rear end of the first massage wheel shaft 37, a first massage wheel 16 is fixed to the front end of the first massage wheel shaft 37, a second shell 43 is fixedly arranged at the front end of the second sliding block 44, a second cavity 42 is arranged in the second shell 43, a first sliding shaft 46 extending downwards into the transmission cavity 12 is rotatably arranged on the inner wall of the upper side of the second cavity 42, the first sliding shaft 46 is slidably connected with the motor shaft 19 through a spline, a third bevel gear 45 positioned in the second cavity 42 is fixedly arranged on the first sliding shaft 46, a second massage wheel shaft 48 extending forwards is rotatably arranged on the inner wall of the front side of the second cavity 42, a fourth bevel gear 47 engaged with the third bevel gear 45 is fixedly arranged at the rear end of the second massage wheel shaft 48, a second massage wheel 20 is fixedly arranged at the front end of the second massage wheel shaft 48, a third shell 52 is fixedly arranged at the front end of the third sliding block 53, a third shell 51 is arranged in the third shell 52, a second sliding shaft 55 extending downwards into the transmission cavity 12 is rotatably arranged at the upper side of the third shell 51, the second sliding shaft 55 is slidably connected with the motor shaft 19 through a spline, a fifth bevel gear 54 located in the third cavity 51 is fixedly arranged on the second sliding shaft 55, a third massage wheel shaft 50 extending forwards is rotatably arranged on the inner wall of the front side of the third cavity 51, a sixth bevel gear 49 meshed with the fifth bevel gear 54 is fixedly arranged at the rear end of the third massage wheel shaft 50, and a third massage wheel 21 is fixedly arranged at the front end of the third massage wheel shaft 50.
Advantageously, five elastic rubber blocks are fixedly arranged on the front end surfaces of the first massage wheel 16, the second massage wheel 20 and the third massage wheel 21.
Application method
When the present invention is placed on any chair, the back end of the chair back 11 is attached to the chair back of the chair to be placed, and the user sits on the chair with the back resting on the second resting wheels 18 and the first resting wheels 32.
The massage area is adjusted according to the body type, the adjusting wheel 29 is rotated in the forward direction, the rotating adjusting wheel 29 drives the threaded rod 28 to move downwards, the threaded rod 28 moving downwards enables the left and right sliding frames 13 to approach each other through the first sliding block 27, the first hinging block 24 and the hinging rod 23, the moving sliding frame 13 drives the third sliding block 53, the second sliding block 44 and the adjusting sliding block 34 on the corresponding side to slide, the sliding third sliding block 53, the second sliding block 44 and the adjusting sliding block 34 drive the corresponding massage wheels on the front side to approach each other, the massage area is reduced, meanwhile, the adjusting sliding block 34 slides downwards due to the limitation of the sliding of the limiting sliding block 40, the adjusting sliding block 34 sliding downwards drives the first shell 36 to slide downwards, the first shell 36 sliding downwards drives the motor shaft 19 to slide downwards, and finally all the massage wheels move towards the direction far away from the back of the human body, and the rubber blocks on all the massage wheels depended by the user relax, thereby reducing the massage force; conversely, the adjustment wheel 29 is rotated reversely to increase the massage area and the massage force, so that the user can rotate the adjustment wheel 29 to a proper position according to the actual condition.
The first cavity 56 is started, the first cavity 56 drives the motor shaft 19 to rotate, the rotating motor shaft 19 drives the first massage wheel 16 to rotate sequentially through the first bevel gear 39, the second bevel gear 38 and the first massage wheel shaft 37, the rotating motor shaft 19 drives the second massage wheel 20 to rotate sequentially through the first sliding shaft 46, the third bevel gear 45, the fourth bevel gear 47 and the second massage wheel shaft 48, the rotating motor shaft 19 drives the third massage wheel 21 to rotate sequentially through the second sliding shaft 55, the fifth bevel gear 54, the sixth bevel gear 49 and the third massage wheel shaft 50, and the rotation of the first massage wheel 16, the second massage wheel 20 and the third massage wheel 21 massages a user.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims (4)

1. The utility model provides an adjustable massage back of chair, includes the back of chair, be equipped with transmission cavity in the back of chair, its characterized in that:
an adjusting assembly is arranged in the transmission cavity and comprises a threaded rod, an adjusting wheel, a vertical sliding groove, a first sliding block, a reset spring, two first hinge blocks, two sliding frames, a second hinge block and a hinge rod, wherein the threaded rod is in threaded connection with the upper inner wall of the transmission cavity, the adjusting wheel is fixedly arranged at the upper end of the threaded rod, the vertical sliding groove is formed in the rear inner wall of the transmission cavity, the first sliding block is slidably arranged on the rear inner wall of the vertical sliding groove and is abutted against the threaded rod, the reset spring is connected between the lower end of the first sliding block and the lower inner wall of the vertical sliding groove, the two first hinge blocks are symmetrically and fixedly arranged at the left end and the right end of the first sliding block, the two sliding frames are symmetrically and slidably arranged on the lower inner wall of the transmission cavity, the second hinge block is correspondingly and;
the transmission cavity is internally provided with a relying component which comprises a first supporting column arranged on the inner wall of the rear side of the transmission cavity, a first leaning wheel arranged at the front end of the first supporting column, a second supporting column arranged on the inner wall of the rear side of the transmission cavity, a leather arranged on the front end face of the chair back and arranged on the second leaning wheel arranged at the front end of the second supporting column, and the transmission cavity is internally provided with two massage components with the threaded rod as a symmetrical center.
2. The adjustable massage chair back of claim 1, wherein: the adjusting component also comprises two first sliding grooves which are arranged on the inner wall of the rear side of the transmission cavity in a bilateral symmetry manner, an adjusting slide block is arranged in the first sliding grooves in a sliding manner, a sliding frame sliding groove is arranged in the sliding frame, the adjusting slide block is connected with the sliding frame sliding groove in a sliding manner, two limiting sliding grooves are symmetrically arranged on the inner walls of the upper side and the lower side of the first sliding grooves, two limiting slide blocks are correspondingly arranged in the two limiting sliding grooves in a sliding manner, the upper limiting slide block is fixedly connected with the upper end of the adjusting slide block, the lower limiting slide block is fixedly connected with the lower end of the adjusting slide block, a second sliding groove is arranged on the inner wall of the rear side of the transmission cavity, a second slide block is arranged in the second sliding groove in a sliding manner, the second slide block is connected with the sliding frame sliding groove in a sliding manner, the third sliding block is connected with the sliding frame sliding groove in a sliding mode.
3. The adjustable massage chair back of claim 1, wherein: the massage component comprises a first shell fixedly arranged at the front end of the adjusting slide block, a first cavity is arranged in the first shell, a motor is fixedly arranged at the lower end of the first shell, the upper end of the motor is in power connection with a motor shaft extending upwards, the motor shaft is rotationally connected with the inner wall of the upper side of the first cavity and the inner wall of the lower side of the first cavity, a first bevel gear positioned in the first cavity is fixedly arranged on the motor shaft, a first massage wheel shaft extending forwards into the transmission cavity is rotationally arranged on the inner wall of the front side of the first cavity, a second bevel gear meshed and connected with the first bevel gear is fixedly arranged at the rear end of the first massage wheel shaft, a first massage wheel is fixedly arranged at the front end of the first massage wheel shaft, a second shell is fixedly arranged at the front end of the second slide block, a second cavity is arranged in the second shell, a first sliding shaft extending downwards into the transmission cavity is rotationally arranged on the inner wall of the upper side, the first sliding shaft is connected with the motor shaft in a sliding manner through a spline, a third bevel gear positioned in the second cavity is fixedly arranged on the first sliding shaft, a second massage wheel shaft extending forwards is rotatably arranged on the inner wall of the front side of the second cavity, a fourth bevel gear meshed with the third bevel gear is fixedly arranged at the rear end of the second massage wheel shaft, a second massage wheel is fixedly arranged at the front end of the second massage wheel shaft, a third shell is fixedly arranged at the front end of the third sliding block, a third cavity is arranged in the third shell, a second sliding shaft extending downwards into the transmission cavity is rotatably arranged on the upper side of the third cavity, the second sliding shaft is connected with the motor shaft in a sliding manner through a spline, a fifth bevel gear positioned in the third cavity is fixedly arranged on the second sliding shaft, and a third massage wheel shaft extending forwards is rotatably arranged on the inner wall of the front side of the third cavity, and a sixth bevel gear in meshed connection with the fifth bevel gear is fixedly arranged at the rear end of the third massage wheel shaft, and a third massage wheel is fixedly arranged at the front end of the third massage wheel shaft.
4. The adjustable massage chair back of claim 3, wherein: five elastic rubber blocks are fixedly arranged on the front end surfaces of the first massage wheel, the second massage wheel and the third massage wheel.
CN202011389986.8A 2020-12-02 2020-12-02 Adjustable massage chair back Withdrawn CN112451302A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011389986.8A CN112451302A (en) 2020-12-02 2020-12-02 Adjustable massage chair back

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011389986.8A CN112451302A (en) 2020-12-02 2020-12-02 Adjustable massage chair back

Publications (1)

Publication Number Publication Date
CN112451302A true CN112451302A (en) 2021-03-09

Family

ID=74806342

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202011389986.8A Withdrawn CN112451302A (en) 2020-12-02 2020-12-02 Adjustable massage chair back

Country Status (1)

Country Link
CN (1) CN112451302A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113693877A (en) * 2021-07-09 2021-11-26 安徽久工健业有限责任公司 Massage chair backrest

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113693877A (en) * 2021-07-09 2021-11-26 安徽久工健业有限责任公司 Massage chair backrest
CN113693877B (en) * 2021-07-09 2023-12-01 安徽久工健业有限责任公司 Backrest of massage chair

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WW01 Invention patent application withdrawn after publication

Application publication date: 20210309

WW01 Invention patent application withdrawn after publication