CN218961252U

CN218961252U - Back massage instrument capable of adjusting force

Info

Publication number: CN218961252U
Application number: CN202223338139.6U
Authority: CN
Inventors: 黄冬平; 孙旭东; 吕玉枚
Original assignee: Dongguan Crafish Electronic Technology Co ltd
Current assignee: Dongguan Crafish Electronic Technology Co ltd
Priority date: 2022-12-14
Filing date: 2022-12-14
Publication date: 2023-05-05
Anticipated expiration: 2032-12-14

Abstract

The utility model relates to the technical field of back massage, in particular to a back massage instrument with an adjustable force path, which comprises a massage part, a massage part and a massage part, wherein the massage part is used for back massage; the opening of the cavity is provided with elastic cloth, the back side of the elastic cloth is provided with a bearing plate, a plurality of sliding rods are arranged on the bearing plate in a sliding manner, and the top ends of the sliding rods are provided with massage heads for back massage; through seat support and the massage portion that sets up: when in massage, the plurality of massage heads can be pushed to reciprocate back and forth along with the rotation of the cam, the back of a user can be massaged under the action of the massage heads, meanwhile, the rotation speed of the cam can be regulated by regulating the rotation speed of the motor output shaft, the rotation speed of the cam is in direct proportion to the massage force of the massage heads, and the massage force can be improved along with the improvement of the rotation speed of the cam; the back massage device has the advantages that the back massage device is convenient for massaging the back of a user, the massage force can be adjusted, and the back massage effect is improved.

Description

Back massage instrument capable of adjusting force

Technical Field

The utility model relates to the technical field of back massage, in particular to a back massage instrument with an adjustable force path.

Background

The back massage device is a device for back massage, and can achieve the effects of relieving neck muscle stiffness, ache and fatigue by using the back massage device, so the back massage device is widely used by the public;

the utility model patent with the authorized bulletin number of CN204723366U discloses a back massage device, which comprises a chair seat, armrests, chair legs, a rotating shaft, a chair back frame, massage rollers, massage magnetic wheels, an upper supporting rod, a lower supporting rod and locking bolts, wherein the lower end of the chair seat is fixedly arranged on the chair legs, the armrests are arranged on two opposite side surfaces of the chair seat, the chair back frame is also rotatably hinged on the chair seat through the rotating shaft, a plurality of massage rollers which are arranged in parallel are arranged on the chair back frame, and at least two massage magnetic wheels are arranged on each massage roller at intervals; by arranging a plurality of massage rollers on the back frame, an exerciser or other people needing to massage can massage the back only by sitting on the seat, which is very convenient;

although the back massage device can massage the back of a user, the back of the user is only massaged by the aid of the plurality of rotatable massage rollers and the massage magnetic wheels, the massage force of the back massage device cannot be adjusted, the back massage device has poor massage effect and limited massage effect on the back of the user, and in view of the fact, the back massage device with the adjustable force channel is provided.

Disclosure of Invention

The present utility model is directed to a back massage device with adjustable force to solve the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the back massage device with adjustable force comprises a chair seat and a massage part;

the chair seat is used for installing the massage part and comprises a base plate arranged at the front side of the top end of the chair seat;

the massage part is used for massaging the back and is arranged at the rear side of the top surface of the chair seat; the backrest is obliquely arranged on the top end surface of the chair seat, a cavity is formed in the backrest, a plurality of rotating shafts are rotatably arranged in the cavity, worm gears are coaxially arranged on the rotating shafts close to the tail ends, and a plurality of cams are arranged on the rotating shafts; a connecting rod is rotatably arranged in the cavity, and a plurality of worms meshed with the worm wheel are coaxially fixed on the connecting rod; the top surface of the backrest is arranged on a motor for driving the connecting rod to rotate;

the opening of the cavity is provided with elastic cloth, the rear side of the elastic cloth is provided with a bearing plate, a plurality of sliding rods are slidably arranged on the bearing plate, the top ends of the sliding rods are provided with massage heads for back massage, the bottom ends of the sliding rods are fixedly provided with brackets, and the brackets are rotatably provided with rollers which are contacted with the cams; the slide bars are respectively sleeved with springs, and the springs are used for propping against the support and the bearing plate.

As a preferable technical scheme of the utility model, the cam is provided with two bulges which are in smooth arc shapes.

As a preferable technical scheme of the utility model, two ends of the rotating shaft are rotatably connected with two side inner walls of the cavity through bearings.

As a preferable technical scheme of the utility model, a protective cover is arranged on the top surface of the backrest, which is positioned outside the motor, and a plurality of heat dissipation grooves are formed in the top surface of the protective cover.

As a preferable technical scheme of the utility model, the backing plate consists of a sponge layer and leather wrapped outside the sponge layer, and the thickness of the backing plate is 2cm.

As a preferable technical scheme of the utility model, the backrest is inclined, and the included angle between the seat and the backrest is 60 degrees.

As the preferable technical scheme of the utility model, the two sides of the bottom surface of the chair seat are fixedly connected with the supporting legs through bolts, and the backrest is fixedly connected with the chair seat through bolts to form a fixing frame.

Compared with the prior art, the utility model has the beneficial effects that:

through seat support and the massage portion that sets up: when the back is massaged, the back is leaned against the backrest, the power supply of the motor is connected, the connecting rod and the worm can be driven to rotate, the worm synchronously drives the worm wheel to rotate, the worm wheel drives the rotating shafts and the cams to rotate, the cams can be driven to reciprocate back and forth along with the rotation of the cams, the back of a user can be massaged under the action of the massage heads, meanwhile, the rotation speed of the cams can be regulated by regulating the rotation speed of the output shaft of the motor, the rotation speed of the cams is in a proportional relation with the massage force of the massage heads, and the massage force can be improved along with the improvement of the rotation speed of the cams; the back massage device has the advantages that the back massage device is convenient for massaging the back of a user, the massage force can be adjusted, and the back massage effect is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a cross-sectional view showing the overall structure of the massage part of the present utility model;

FIG. 3 is a cross-sectional view of the structure of the backrest of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3A according to the present utility model;

FIG. 5 is a schematic view of the structure of the backrest of the present utility model;

fig. 6 is a schematic view of the cam structure in the present utility model.

In the figure:

1. a seat; 11. a backing plate; 12. a support leg; 13. a fixing frame;

2. a massage part; 20. a protective cover; 21. a backrest; 211. a cavity; 22. a rotating shaft; 221. a worm wheel; 23. a cam; 24. a connecting rod; 241. a worm; 25. a motor; 26. a slide bar; 261. a massage head; 262. a bracket; 263. a roller; 27. a spring; 28. a carrying plate; 29. an elastic cloth.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The embodiment provides a technical scheme:

referring to fig. 1 to 6, a back massage apparatus with adjustable force comprises a seat 1 and a massage part 2; the chair seat 1 is used for installing the massage part 2 and comprises a base plate 11 arranged at the front side of the top end of the chair seat 1, and the base plate 11 is tied on the chair seat 1 through a binding belt; a massage part 2 for back massage, which is arranged at the rear side of the top surface of the chair seat 1; the chair comprises a backrest 21 obliquely arranged on the top end surface of a chair seat 1, wherein a cavity 211 is formed in the backrest 21, a plurality of rotating shafts 22 are rotatably arranged in the cavity 211, worm gears 221 are coaxially arranged on the rotating shafts 22 close to the tail ends, the worm gears 221 are coaxially connected with the rotating shafts 22 in a key manner, a plurality of cams 23 are arranged on the rotating shafts 22, and rollers 263 are coaxially connected with the rotating shafts 22 in a key manner; the cavity 211 is also rotatably provided with a connecting rod 24, a plurality of worms 241 meshed with the worm wheel 221 are coaxially fixed on the connecting rod 24, and the worms 241 are coaxially connected with the connecting rod 24 through keys; the top surface of the backrest 21 is mounted on a motor 25 for driving the link 24 to rotate; the opening of the cavity 211 is provided with an elastic cloth 29, the elastic cloth 29 is tightly adhered to the opening of the cavity 211, the back side of the elastic cloth 29 is provided with a bearing plate 28, the bearing plate 28 is fixedly connected with the opening of the cavity 211 through bolts, a plurality of slide bars 26 are slidably arranged on the bearing plate 28, the top ends of the slide bars 26 are provided with massage heads 261 for back massage, the bottom ends of the slide bars 26 are fixedly provided with supports 262, the slide bars 26 are tightly welded with the supports 262, and the supports 262 are rotatably provided with rollers 263 contacted with the cams 23; the slide bars 26 are respectively sleeved with springs 27, and the springs 27 are used for propping the support 262 and the bearing plate 28;

in this embodiment, two protrusions 231 are disposed on the cam 23, and the protrusions 231 are in a smooth arc shape, and under the action of the two protrusions 231, when the cam 23 rotates 360 °, the massage head 261 can be driven to reciprocate twice, so that the massage effect of the massage head 261 on the back of the user can be improved.

In this embodiment, the two ends of the rotating shaft 22 are rotatably connected with the inner walls of the two sides of the cavity 211 through bearings, and the bearings support and support the rotating shaft 22, so as to facilitate continuous and stable rotation of the rotating shaft 22.

In this embodiment, the top surface of the backrest 21 is located at the outer portion of the motor 25 and is provided with a protecting cover 20, and the top surface of the protecting cover 20 is provided with a plurality of heat dissipation grooves, the protecting cover 20 protects the motor 25, and the heat dissipation grooves are beneficial to heat dissipation of the motor 25.

In this embodiment, the backing plate 11 comprises sponge layer and the leather of sponge layer outside parcel, and the thickness of backing plate 11 is 2cm, and the backing plate 11 of this design can improve the use comfort of seat support 1, improves and uses experience.

In this embodiment, the backrest 21 is inclined, and the angle between the seat 1 and the backrest 21 is 60 °, so that the backrest 21 is convenient for a user to massage the back of a patient.

In this embodiment, the two sides of the bottom surface of the seat 1 are fixedly connected with the supporting legs 12 through bolts, the backrest 21 and the seat 1 are fixedly connected with the fixing frame 13 through bolts, the supporting legs 12 have a stable supporting function on the whole device, and the backrest 21 is supported by the fixing frame 13.

It should be added that the massage head 261 in this embodiment is a rubber product, and the massage head 261 is tightly adhered to the slide bar 26, so that the massage effect of the rubber massage head 261 can be achieved, and the comfort level during massage can be improved, so as to avoid discomfort to the patient.

It should be noted that, the motor 25 in the present embodiment is a conventional technology, and will not be described herein.

When the back massage device is specifically used, a user sits on the seat 1 at first, leans against the back rest 21, then the user turns on the power supply of the motor 25, the motor 25 starts to work, the output shaft of the motor 25 rotates to drive the connecting rod 24 and the worm 241 to rotate, the worm wheel 221 synchronously rotates to drive the rotating shaft 22 and the cam 23 to rotate due to the meshing of the worm 241 and the worm wheel 221, the sliding rod 26 reciprocates along with the rotation of the cam 23, and meanwhile the sliding rod 26 drives the massage head 261 to reciprocate, so that the massage head 261 can repeatedly strike the back of the user to massage.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a back massage appearance of adjustable power way, includes seat support (1) and massage portion (2), its characterized in that:

the chair seat (1) is used for installing the massage part (2) and comprises a base plate (11) arranged at the front side of the top end of the chair seat (1);

the massage part (2) is used for massaging the back and is arranged at the rear side of the top surface of the seat (1); the novel chair comprises a backrest (21) obliquely arranged on the top end surface of a chair seat (1), wherein a cavity (211) is formed in the backrest (21), a plurality of rotating shafts (22) are rotatably arranged in the cavity (211), worm gears (221) are coaxially arranged on the rotating shafts (22) close to the tail ends, and a plurality of cams (23) are respectively arranged on the rotating shafts (22); a connecting rod (24) is rotatably arranged in the cavity (211), and a plurality of worms (241) meshed with the worm wheel (221) are coaxially fixed on the connecting rod (24); the top surface of the backrest (21) is mounted on a motor (25) for driving the connecting rod (24) to rotate;

an elastic cloth (29) is arranged at the opening of the cavity (211), a bearing plate (28) is arranged at the rear side of the elastic cloth (29), a plurality of slide bars (26) are slidably arranged on the bearing plate (28), a massage head (261) for back massage is arranged at the top end of each slide bar (26), a bracket (262) is fixed at the bottom end of each slide bar (26), and a roller (263) contacted with the cam (23) is rotatably arranged on each bracket (262); the slide bars (26) are respectively sleeved with springs (27), and the springs (27) are used for propping the support (262) and the bearing plate (28).

2. The adjustable force back massager of claim 1 wherein: two protrusions (231) are arranged on the cam (23), and the protrusions (231) are in a smooth arc shape.

3. The adjustable force back massager of claim 1 wherein: the two ends of the rotating shaft (22) are rotatably connected with the inner walls of the two sides of the cavity (211) through bearings.

4. The adjustable force back massager of claim 1 wherein: the top surface of the backrest (21) is positioned outside the motor (25) and is provided with a protective cover (20), and the top surface of the protective cover (20) is provided with a plurality of heat dissipation grooves.

5. The adjustable force back massager of claim 1 wherein: the backing plate (11) is composed of a sponge layer and leather wrapped outside the sponge layer, and the thickness of the backing plate (11) is 2cm.

6. The adjustable force back massager of claim 1 wherein: the backrest (21) is inclined, and an included angle between the seat (1) and the backrest (21) is 60 degrees.

7. The adjustable force back massager of claim 1 wherein: the two sides of the bottom surface of the chair seat (1) are fixedly connected with supporting legs (12) through bolts, and a fixing frame (13) is fixedly connected between the backrest (21) and the chair seat (1) through bolts.