CN219049347U

CN219049347U - Back massager core

Info

Publication number: CN219049347U
Application number: CN202221955655.0U
Authority: CN
Inventors: 姜登军
Original assignee: Shanghai Xinshuangkeyi Internet Of Things Technology Co ltd
Current assignee: Shanghai Xinshuangkeyi Internet Of Things Technology Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2023-05-23
Anticipated expiration: 2032-07-27

Abstract

The utility model discloses a back massager core, which solves the problems of relatively complex internal structure and inconvenient assembly of the existing back massager. The power shaft of the driving motor is positioned on the length direction of the machine core, two ends of the power shaft respectively extend out of the driving motor, and a worm structure is arranged at the extending end of the power shaft. The machine core is internally provided with a gear set, the gear set comprises a driving gear, a driving gear and a traveling gear, a large gear in the driving gear is meshed with a worm structure, a small gear in the driving gear is meshed with a large gear in the driving gear, a small gear in the driving gear is meshed with a large gear in the traveling gear, a small gear in the traveling gear is meshed with a rack through a wall body of the machine core, and the massage head is connected to a wheel shaft of the driving gear.

Description

Back massager core

Technical Field

The utility model relates to a back massager for massaging the back of a human body, in particular to a machine core in the back massager.

Background

Chinese patent literature (publication No. CN 113456447A) discloses a self-adaptive flexible massage structural member, which comprises a travelling mechanism and a massage mechanism arranged on the travelling mechanism, wherein the travelling mechanism is arranged on the flexible travelling bar group and can travel along the flexible travelling bar group, and the flexible travelling bar group can be matched with the body curve deformation of a massaged person. The flexible massage structural member has the flexible bending deformation function, can adapt to the use requirements of different body shapes and different scenes, enables the massage area to be fully contacted with the massage structural member, and improves the massage comfort level; meanwhile, the holding component is matched with the flexible rack, so that the flexible rack can be kept in good contact with the travelling gear even if being pressed and bent in time; the roller bearing is matched with the holding assembly, so that the contact area between the travelling mechanism and the flexible rack can be effectively reduced, and the friction force in the travelling process is further reduced; the flexible massage structural member has the advantages of light and thin overall structure, low manufacturing cost and simple assembly.

The massage mechanism in the massage structural member is powered by a driving motor, and the driving motor drives the massage heads to circumferentially rotate through the gear set so as to realize the massage of the back of a human body; moreover, the gear set realizes the travel of the massage mechanism along the length direction of the rack through the meshing transmission with the rack. The driving motor is arranged in the width direction of the massage mechanism shell, the structure of the corresponding gear set is relatively complex, and the assembly of the massage mechanism is also troublesome.

Disclosure of Invention

In order to overcome the defects, the technical problems to be solved by the utility model are as follows: the back massager core is simple in structure and relatively convenient to assemble.

In order to solve the technical problems, the technical scheme of the utility model is as follows: the back massager core comprises a core body and a frame-type support, wherein the support comprises two racks which are arranged in parallel, two same side ends of the two racks are respectively bridged with a cross rod, the core body comprises a bottom shell, two ends of the bottom shell are respectively movably connected to the two racks, a horizontal driving motor is arranged in the bottom shell, a massage head is arranged on the outer side of the bottom shell, a power shaft on the driving motor drives the massage head to rotate through a gear set, and the back massager core is characterized in that the power shaft is positioned in the length direction of the support, two ends of the power shaft respectively extend out of the driving motor, and a worm structure is arranged at the extending end of the power shaft; the gear set comprises a driving gear, a driving gear and a traveling gear which are connected, wherein a large gear in the driving gear is meshed with the worm structure, a small gear in the driving gear is meshed with the large gear in the driving gear, a small gear in the driving gear is meshed with the large gear in the traveling gear, and the small gear in the traveling gear is meshed with the rack through the wall body of the bottom shell; the massage head is connected to the wheel axle of the driving gear.

The driving gear, the driving gear and the traveling gear are all of a connected structure, namely, the driving gear and the traveling gear are respectively composed of a large gear and a small gear which are coaxially arranged, and the gears are correspondingly meshed together to realize power transmission. In practical application, a skin is required to be arranged on the outer Zhou Meng of the movement, and the massage head can press and massage the back of the human body from the inner side of the skin.

Further, the bottom shell is provided with an opening, an upper shell is arranged at the opening of the bottom shell, two notches are arranged at the middle position of the length direction of the upper shell, the length of each notch is at least 1/4 of the length of the bottom shell, the two notches are positioned at two opposite side edges of the width direction of the upper shell, the bottom surfaces of the notches are inclined planes, and the bottom surfaces of the two notches are arranged in an splayed shape on the upper shell. By arranging the two notches, the device can be well adapted to the relative sliding between the machine core body and the back of the human body when the machine core body walks up and down, and is beneficial to the stable contact between the back of the human body and the back massager.

Further, a through hole is provided in the upper case between the two recesses, and a flat surface is formed on the outer peripheral surface of the driving motor, the flat surface being overlapped in the through hole. This thickness that can effectively reduce the core, the last casing can provide comparatively stable spacing effect for the motor, and is favorable to driving motor's cooling.

Further, the bottom shell is inverted-U-shaped, connecting plates are respectively arranged at two ends of the bottom shell, and the connecting plates and the end parts of the bottom shell are arranged at two opposite sides of the rack. The shape of the bottom shell is convenient for the stable connection between the machine core and the rack through the arrangement of the connecting plate.

Further, a brush is arranged at one end of the bottom shell, the brush extends out of the support, a conductor is arranged in the brush, and the conductor is electrically connected with the driving motor. The driving motor can also be directly and electrically connected with the power plug through a soft wire, but the machine core body acts continuously, and the space in the back massager is limited, so that the wire is damaged due to movement interference. At present, the electric brush arranged on the outer side of the support is in sliding contact with the conducting strip on the outer side, so that the driving motor is conveniently powered, and the working stability of the machine core body can be ensured.

Further, one of the cross bars is arc-shaped, and the middle part of the cross bar is a flexible sheet body. The arrangement of the arc-shaped cross rod can be well adapted to the outline of the back of a human body, and the flexible sheet-shaped body on the cross rod can have good deformability, so that in the using process of the back massager, the massage head can have a certain activity allowance, and can be well adapted to the shapes of the backs of different human bodies, thereby providing a relatively comfortable massage function for a user.

The utility model has the beneficial effects that: in this back massager core, through setting up driving motor in the length direction of end casing, and the both ends of the power shaft on the motor all stretch out the outside of motor, the both ends of motor can be respectively with two sets of gear train transmission meshing, this aspect is convenient for the stable transmission of power shaft to the gear train, on the other hand also is favorable to driving motor's stability in the core. The gear set is formed by arranging the integrated driving gear, the driving gear and the traveling gear, and the gear set can be arranged in a triangle shape in the machine core body, so that the structure is compact, the transmission stability is good, and compared with the existing arrangement, the gear set is formed by fewer gears, the structure is simple, and the assembly of the machine core body is also convenient.

Drawings

Fig. 1 is a perspective view of the back massager in the front direction.

Fig. 2 is an exploded view of the back massager core.

Fig. 3 is a perspective view of the back massager.

Fig. 4 is a perspective view of the back massager cassette mechanism with the upper case removed.

In the figure: 1. a movement body; 2. a brush; 3. a bracket; 31. a rack; 32. a cross bar; 4. a cover plate; 5. a notch; 6. an upper housing; 7. a motor; 8. a power shaft; 9. a bottom housing; 10. a drive gear; 11. a drive gear; 12. a traveling gear; 13. and a connecting plate.

Detailed Description

With the attached drawings, the back massager core is used as a main functional component of the back massager and is used for realizing the function of massaging the back of a human body. When the back massager is manufactured, a human body is required to be abutted against the skin at the outer Zhou Mengpi of the movement, and corresponding functional parts press the back of the human body from the inner side of the skin.

The machine core comprises a machine core body 1 and a frame-type bracket 3, wherein the machine core body 1 is movably arranged on the bracket 3. The support 3 comprises two racks 31 arranged in parallel, and a rack-type supporting structure for supporting is usually arranged on the periphery of the racks 31 to realize a certain supporting strength of the back massager. Two cross bars 32 are respectively bridged at two same side ends of the two racks 31, and the two cross bars 32 and the two racks 31 are connected into a bracket 3 in a shape of a Chinese character 'kou'.

The machine core 1 comprises a bottom shell 9, and two ends of the bottom shell 9 are respectively movably connected to two racks 31. The bottom housing 9 has an installation cavity therein, in which a horizontal drive motor 7 is arranged. The driving motor 7 is usually externally connected with a power supply and is powered by an indoor illumination power supply. The outside of the bottom shell body 9 is provided with a massage head which is approximately U-shaped, the driving motor 7 drives the massage head to rotate through the gear set, and after the massage head rotates, a human body leans on the massager, and two working ends on the massage head can massage the human body.

A power shaft 8 is arranged at the axis position of the driving motor 7, and after the driving motor 7 is installed in place, the power shaft 8 is positioned in the length direction of the machine core 1. Two ends of the power shaft 8 extend to the outer side of the driving motor 7 respectively, a worm structure is arranged at the extending end of the power shaft 8, and two ends of the power shaft 8 are in transmission engagement with two groups of gear sets respectively. The gear set comprises a driving gear 10, a driving gear 11 and a traveling gear 12 which are all of a connected structure, wherein the driving gear 10, the driving gear 11 and the traveling gear 12 are formed by coaxially attaching and arranging two gears together, and the diameters of the two gears forming a connected gear are different, so that the reduction of power can be realized through transmission engagement. Three gears in a gear set are arranged in a triangle in the installation cavity of the bottom shell body 9, and are meshed with each other, specifically: the large gear in the driving gear 10 is meshed with the worm structure, the small gear in the driving gear 10 is meshed with the large gear in the driving gear 11, the small gear in the driving gear 11 is meshed with the large gear in the traveling gear 12, and the small gear in the traveling gear 12 is meshed with the rack 31 through the wall body of the bottom shell 9. The gears are pressed against each other in the axial direction to form a relatively stable drive train. The massage head is directly and fixedly connected to the wheel shaft of the driving gear 11, and the rotation of the massage head is realized by the driving of the driving gear 10.

The bottom case 9 has an opening, which is approximately equal in length to the bottom case 9. An upper shell 6 is arranged at the opening of the bottom shell 9, two notches 5 are arranged at the middle position of the upper shell 6 in the length direction, the length of each notch 5 is at least 1/4 of the length of the bottom shell 9, and when the novel back cover is used, the notches 5 can adapt to the width of the back of a human body to be buckled on the back of the human body. The two notches 5 are positioned at two opposite side edges of the upper shell 6 in the width direction, the bottom surfaces of the notches 5 are inclined planes, and the bottom surfaces of the two notches 5 are arranged in an eight shape on the upper shell 6. The upper housing 6 is of a split structure, and a cover plate 4 is detachably arranged on the bottom of one of the notches 5 on the upper housing 6, and the outer surface of the cover plate 4 forms the bottom surface of the notch 5. In the bottom housing 9, a circuit board is arranged at the position of the cover plate 4, and the circuit board in the bottom housing 9 can be replaced and maintained by disassembling the cover plate 4. A through hole is provided between the two notches 5 in the upper casing 6, and a flat surface is formed on the outer peripheral surface of the driving motor 7, and the flat surface is overlapped in the through hole. The driving motor 7 can generate certain heat when working, and can provide certain heat treatment effect for human body when in use.

The bottom shell 9 is inverted-U-shaped, the two ends of the bottom shell 9 are respectively provided with a connecting plate 13, the connecting plates 13 are L-shaped, and the connecting plates 13 and the end parts of the bottom shell 9 are arranged on two opposite sides of the rack 31. A slide pin is integrally formed at an end of the bottom case 9, and a slide groove is provided along a length direction thereof on a surface of the rack 31, and the slide pin is slidably inserted into the slide groove.

In order to avoid interference of the machine core 1 in the use process, an electric brush 2 is arranged at one end part of the bottom shell 9, the electric brush 2 extends out of the bracket 3, a conductor is arranged in the electric brush 2, and the conductor is electrically connected with the driving motor 7. Correspondingly, a conductive plate is further arranged on the outer side of the support 3, the conductive plate is equal to the support 3 in length, a metal conductive strip corresponding to the conductor is arranged in the conductive plate, and the conductor is in sliding contact with the conductive strip, so that power supply of the machine core 1 in the working process is realized.

Of the two crossbars 32 on the support 3, one of the crossbars 32 is arc-shaped, and the middle part of the crossbar 32 is a flexible sheet-shaped body. In use, the cross bar 32 will tend to be on the underside of the back massager.

Claims

1. The back massager core comprises a core body and a frame-type support, wherein the support comprises two racks which are arranged in parallel, two same side ends of the two racks are respectively bridged with a cross rod, the core body comprises a bottom shell, two ends of the bottom shell are respectively movably connected to the two racks, a horizontal driving motor is arranged in the bottom shell, a massage head is arranged on the outer side of the bottom shell, a power shaft on the driving motor drives the massage head to rotate through a gear set, and the back massager core is characterized in that the power shaft is positioned in the length direction of the support, two ends of the power shaft respectively extend out of the driving motor, and a worm structure is arranged at the extending end of the power shaft; the gear set comprises a driving gear, a driving gear and a traveling gear which are connected, wherein a large gear in the driving gear is meshed with the worm structure, a small gear in the driving gear is meshed with the large gear in the driving gear, a small gear in the driving gear is meshed with the large gear in the traveling gear, and the small gear in the traveling gear is meshed with the rack through the wall body of the bottom shell; the massage head is connected to the wheel axle of the driving gear.

2. The back massager core according to claim 1, wherein the bottom case has an opening, the opening of the bottom case is provided with an upper case, two notches are provided at the middle position in the length direction of the upper case, the length of the notches is at least 1/4 of the length of the bottom case, the two notches are positioned at opposite side edges in the width direction of the upper case, the bottom surfaces of the notches are inclined surfaces, and the bottom surfaces of the two notches are arranged in a splayed shape on the upper case.

3. A back massager cassette mechanism according to claim 2, wherein a through hole is provided in the upper case between the two recesses, and a flat surface is formed on an outer peripheral surface of the driving motor, the flat surface being overlapped in the through hole.

4. A back massager core according to claim 1, 2 or 3, wherein the bottom case has an inverted "n" shape, and coupling plates are provided at both ends of the bottom case, respectively, and the coupling plates and end portions of the bottom case are arranged on opposite sides of the rack.

5. A back massager cassette mechanism according to claim 1, 2 or 3, wherein a brush is provided at one end of the bottom case, the brush extending to the outside of the holder, a conductor is provided in the brush, and the conductor is electrically connected to the drive motor.

6. A back massager cassette mechanism according to claim 1, 2 or 3, wherein a cross bar is arcuate and a middle portion of the cross bar is a flexible sheet.