CN219847316U - Massage net chair and chair back assembly thereof - Google Patents

Abstract

The utility model discloses a massage net chair and a chair back assembly thereof, wherein the chair back assembly comprises a waist massage machine core and an adjusting assembly for adjusting the front and back positions of the waist massage machine core, the adjusting assembly comprises a first support, a second support, a first connecting rod and a second connecting rod, the second support is fixed on a chair back frame, the first support is positioned in front of the second support, one end of the first connecting rod is in sliding connection with the second support, the other end of the first connecting rod is hinged with the first support, one end of the second connecting rod is hinged with the second support, the other end of the first support is in sliding connection with the first support, the first connecting rod and the second connecting rod are arranged in a crossing manner and are hinged, and the adjusting assembly further comprises a second support and a driving piece which is close to or far away from the first support, so that a user can adjust the front and back positions of the waist massage machine core arranged on the chair back through adjustment, and the chair can provide more comfortable massage experience for the user.

Description

Massage net chair and chair back assembly thereof

Technical Field

The utility model relates to the field of massage chairs, in particular to a massage net chair and a chair back assembly thereof.

Background

With the development of social economy, the office pressure of people is larger and the office time is longer, and the office chair is used as one of furniture which is in contact with human body for a long time in normal times, so that the office chair has great influence on the health of the human body.

Patent document with publication number CN 209031574U discloses an office massage chair, which comprises a chair back, a chair seat and chair legs, wherein a massage device is arranged inside the chair back and comprises a neck massage device, a shoulder massage device and a waist massage device, the neck massage device adopts a fixed single-head massage machine core, the shoulder massage device adopts a walking massage machine core, and the waist massage device adopts a fixed double-head massage machine core. The waist massage device comprises a waist section massage head and a waist section motor, wherein the waist section massage head is a double-head massage machine core, and the double-head massage machine core is vertically arranged at the lower part of the chair back; the waist massage heads adopt fixed double-head massage machine cores, the two massage heads are high and low to form a 3D massage effect, and the two sides of the lumbar vertebra are massaged through periodic rotation. When a user sits on the massage armchair, the lines from the back to the buttocks of the user are curved, and the waist of the user is always in a front protruding shape, because the body types of all users are different, when different users use the same massage armchair, the waist of all users can not be attached to the waist massage device, so that the comfort level of the chair is different from person to person, and the use experience and audience of the chair are reduced.

Disclosure of Invention

In order to solve the problems in the prior art, the utility model aims to provide a massage net chair and a chair back assembly thereof, and a user can adjust the front and back positions of a waist massage machine core arranged on a chair back by adjusting the massage net chair, so that the waist massage machine core can provide effective support for more users, proper massage force is provided, the audience of the chair is wider, and more comfortable massage experience can be provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the waist massage assembly comprises a waist massage machine core, an adjusting assembly used for adjusting the front and back positions of the waist massage machine core, a first support, a second support, a first connecting rod, a second connecting rod and a third support, wherein the second support is fixed on the back frame, the first support is positioned in front of the second support, one end of the first connecting rod is hinged with the third support, the other end of the first connecting rod is hinged with the first support, one end of the second connecting rod is hinged with the second support, the other end of the second connecting rod is in sliding connection with the first support, the first connecting rod and the second connecting rod are arranged in a crossing manner, the first connecting rod and the second connecting rod are hinged, the third support is in sliding connection with the second support, and the waist massage machine core is arranged on the first support; the adjusting assembly further comprises a driving piece used for driving the third support to slide on the second support, and when the third support slides, the first support can be driven to move forwards and backwards through the first connecting rod and the second connecting rod.

Preferably, the waist massage assembly further comprises a shell, the adjusting component is arranged on the back frame through the shell, a movable cavity with a forward opening is formed in the shell, the shell is fixedly connected with the back frame, the second support is located in the movable cavity, and the second support is fixedly connected with the shell.

Preferably, the upper side part of the chair back frame and the front end of the shell are respectively covered with a tightening net; and a supporting fabric is arranged on the shell and comprises a heating layer.

Preferably, the driving member includes a traction wire for driving the third bracket to slide, one end of the traction wire is connected to the third bracket, and the other end of the traction wire is installed on the housing in a pullable manner.

Preferably, the driving member further comprises a reset member for driving the third bracket to reset.

Preferably, the driving member is a driving motor; the third bracket is fixed with a second nut, the nut is connected with a screw rod in a threaded manner, and the driving motor is connected with the screw rod in a transmission manner.

Preferably, the back frame has a frame structure, and the rear portion of the housing protrudes rearward and protrudes from the middle portion of the back frame.

Preferably, the chair back assembly further comprises a battery compartment mounted on the shell, and a battery for supplying power to the waist massage machine core is arranged in the battery compartment; the battery compartment includes a battery rack slidably mounted on the housing for holding batteries.

Preferably, the waist massage machine core comprises a massage ball with a heating function.

A massage net chair comprises the chair back assembly.

The technical scheme of the utility model has the beneficial effects that: the waist massage machine core can better support the waist of a user by adjusting the front and back positions of the waist massage machine core, so that the problem of lumbago caused by sedentary sitting is solved; and because the waist massage core position changes, can also make all kinds of users find suitable massage dynamics, provide more comfortable massage experience for more users.

Drawings

FIG. 1 is a schematic view of a chair back assembly according to the present utility model;

FIG. 2 is a schematic view of the structure of the lumbar massage assembly;

FIG. 3 is a schematic view of a first structure of an adjusting assembly;

FIG. 4 is a second schematic structural view of the adjusting assembly;

FIG. 5 is a schematic view of a first link;

FIG. 6 is a schematic structural view of a second bracket;

FIG. 7 is a schematic structural view of a third bracket;

fig. 8 is a schematic structural view of the first bracket.

Reference numerals: 1. a chair back frame; 2. a housing; 3. waist massage movement;

4. an adjustment assembly; 41. a first bracket; 411. a first connection portion; 4111. a first sliding hole; 412. a second connecting portion; 413. a seventh connecting portion; 42. a second bracket; 421. a third connecting portion; 4211. a second sliding hole; 422. a fourth connecting portion; 423. a third sliding hole; 43. a first link; 44. a second link; 45. a third bracket; 451. a fifth connecting portion; 452. an eighth connecting portion; 46. a third link;

5. a driving member; 51. a mounting base; 52. a screw; 53. a first nut; 54. traction steel wire; 55. a hose; 56. a handle;

61. a mounting frame; 62. a battery holder; 71. a fourth bracket; 72. and a return spring.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The following embodiments describe a front-to-back, side-to-side orientation that is consistent with the front-to-side, side-to-side, and the front-to-side of the chair back.

Examples

A chair back assembly as shown in 1, comprising a chair back frame 1, and a waist massage assembly mounted on the chair back frame 1, wherein the waist massage assembly comprises a waist massage machine core 3 and an adjusting assembly 4 for adjusting the front and back positions of the waist massage machine core 3, as shown in fig. 2, 3 and 4, the adjusting assembly 4 comprises a first bracket 41, a second bracket 42, a first connecting rod 43 and a second connecting rod 44, the second bracket 42 is fixed on the chair back frame 1, the first bracket 41 is positioned in front of the second bracket 42, one end of the first connecting rod 43 is in sliding connection with the second bracket 42, the other end of the first connecting rod 43 is hinged with the first bracket 41, one end of the second connecting rod 44 is hinged with the second bracket 42, the other end of the first bracket 41 is in sliding connection with the first bracket 41, the first connecting rod 43 and the second connecting rod 44 are arranged in a crossing manner, and can be hinged at the crossing position of the first connecting rod 43 and the second connecting rod 44; so that the first connecting rod 43 and the second connecting rod 44 can synchronously move, a third bracket 45 is slidably arranged on the second bracket 42, the third bracket 45 is hinged with the first connecting rod 43, and the waist massage movement 3 is arranged on the first bracket 41; the adjusting assembly 4 further comprises a driving member 5 for driving the third bracket 45 to slide on the second bracket 42, and the third bracket 45 can drive the first bracket 41 to move back and forth through the first link 43 and the second link 44 when sliding.

The front and back position adjustment process of the waist massage movement 3 is as follows: the third bracket 45 is driven to move and slide on the second bracket 42, the third bracket 45 drives the first connecting rod 43 hinged with the third bracket 45 to move, and the first connecting rod 43 drives the first bracket 41 to be far away from or close to the second bracket 42, so that the waist massage machine core 3 is abutted against the waist of a user. Therefore, the waist massage machine core 3 can better support the waist of a user by adjusting the front and back positions of the waist massage machine core 3, and the problem of lumbago caused by sedentary sitting is alleviated; and because the waist massage core 3 changes in position, can also make all kinds of users find suitable massage dynamics like this, provide more comfortable massage experience for more users.

In order to make the driving process more stable, in this embodiment, as shown in fig. 5, two second connecting rods 44 are provided, two second connecting rods 44 are arranged in parallel, the first bracket 41 is located between the two second connecting rods 44, and the two second connecting rods 44 are fixedly connected through a third connecting rod 46, so that both the upper end and the lower end of the first bracket 41 can be stressed and the stress is the same, and the adjusting process is more stable; as shown in fig. 8, the first bracket 41 includes a first connecting portion 411 and a second connecting portion 412 protruding forward, the first connecting portion 411 is two and disposed up and down, the second connecting portion 412 is two and disposed up and down, the first connecting portion 411 is located at the left side of the second connecting portion 412, and the first sliding holes 4111 are formed in the two first connecting portions 411. As shown in fig. 6, the second bracket 42 includes a third connecting portion 421 and a fourth connecting portion 422 protruding forward, the third connecting portion 421 is provided with two and is disposed in an up-down direction, the fourth connecting portion 422 is provided with two and is disposed in an up-down direction, the third connecting portion 421 is located at a left side of the fourth connecting portion 422, a second sliding hole 4211 is provided on the third connecting portion 421, and a third sliding hole 423 is provided on the second bracket 42. As shown in fig. 7, the third bracket 45 includes two fifth connection parts 451 protruding forward, and the fifth connection parts 451 are disposed up and down. As shown in fig. 2 to 4, in the adjusting assembly 4, the third bracket 45 is located between the third connecting portion 421 and the fourth connecting portion 422 of the second bracket 42, the two third connecting portions 421 of the second bracket 42 are located between the two fifth connecting portions 451 of the third bracket 45, the rear ends of the two first connecting rods 43 are located between the two third connecting portions 421 of the second bracket 42, the third connecting rod 46 is located between the two third connecting portions 421 of the second bracket 42, the first connecting rods 43 and the fifth connecting portions 451 of the third bracket 45 adjacent thereto are hinged by a first hinge shaft passing through a second sliding hole 4211 formed in the third connecting portion 421 of the second bracket 42, so that the first connecting rods 43 are slidably connected to the second bracket 42; a limiting stopper is fixed on the third bracket 45 and penetrates through the third sliding hole 423 on the second bracket 42, so that the third bracket 45 can only move in the left-right direction; the front end of the first connecting rod 43 is hinged with a second connecting part 412 of the first bracket 41 through a second hinge shaft; in this embodiment, two second links 44 are disposed between the fourth connecting portions 422 of the second support 42, the rear ends of the second links 44 are hinged to the fourth connecting portions 422 of the second support 42 adjacent thereto through third hinge shafts, and the fourth hinge shafts are mounted at the front ends of the second links 44 and pass through the first sliding holes 4111 of the first connecting portions 411 on the first support 41, so that the second links 44 are slidably connected to the first support 41.

In order to facilitate the installation of the backrest and lumbar massage assembly, in this embodiment, as shown in fig. 1 and 2, the backrest frame 1 is a frame structure, the installation of the lumbar massage assembly further includes a housing 2, a rear portion of the housing 2 is convex and passes through the backrest frame 1, the housing 2 has a movable cavity opened forward, and the second bracket 42 is fixed on a rear end wall of the movable cavity. Therefore, the structure of the chair back can be beautified, the structure of the chair back is more compact, and the waist massage machine core 3 has larger movable space.

In this embodiment, as shown in fig. 1 to 4, in order to facilitate the adjustment process, the driving member includes a traction wire 54 for driving the third bracket 45 to slide, one end of the traction wire 54 is connected to an eighth connection portion 452 protruding from the third bracket 45, and the other end of the traction wire 54 is connected to the seat back frame 1; pulling the traction wire 54 can adjust the spacing between the second bracket 42 and the first bracket 41 through the third bracket 45, the first link 43 and the second link 44; therefore, the wiring can be better carried out through the flexible steel wire, so that the chair back is simpler in structure and more convenient to install, overhaul and maintain. Further, the housing 2 is fixed with the mounting seat 51, the screw rod 52 is rotatably mounted on the mounting seat 51, the first nut 53 is in threaded connection with the screw rod 52, the first nut 53 is in sliding fit with the mounting seat 51, and the other end of the traction steel wire 54 is fixed on the first nut 53, so that the position of the massage machine core can be manually and finely and accurately adjusted, and most users can find proper massage positions and massage forces. Further, as shown in fig. 3 and 4, the end of the screw 52 is protruded with a sixth connection portion 521 penetrating the mounting seat 51, and the handle 56 is fixedly installed on the sixth connection portion 521, thereby facilitating the adjustment. Further, the driving member includes a return spring 72, one end of the return spring 72 is connected to the first bracket 41, the other end of the return spring 72 is connected to a fourth bracket 71 fixed on the inner wall of the housing 2, and in other embodiments, the other end of the return spring 72 may be connected to the second bracket or the third bracket; thereby automatically resetting the second mount 51. Further, two return springs 72 are provided, the two return springs 72 are arranged left and right, the left end and the right end of the first bracket 41 are respectively provided with a seventh connecting part 413 in a protruding mode, the front end of the return spring 72 is connected with the seventh connecting parts 413, and the rear end of the return spring 72 is connected with the fourth bracket 71 fixed on the back frame 1, so that the first bracket 41 is uniformly stressed and stable in movement in the resetting process. Further, the traction steel wire 54 is sleeved with a hose 55, one end of the hose 55 is fixedly connected with the mounting seat, the other end of the hose is hinged with one end, close to the fourth connecting portion, of the second bracket, the traction steel wire is protected, and the service life of the traction steel wire is prolonged.

In other embodiments, the driving piece includes a second nut, a screw rod, a driving motor and a switch for controlling the driving motor, the second nut is fixed on the third bracket 45, the screw rod is in threaded connection with the first nut, the driving motor is installed on the housing or the second bracket 42, the output end of the driving motor is fixedly connected with one end of the screw rod, so that the driving motor can drive the screw rod to rotate, and when the screw rod rotates, the second bracket 42 can be driven to move in the left-right direction, and the adjustment of the front-back position of the waist massage machine core is completed. The switch is arranged outside the shell, and the switch is electrically connected with the driving motor, so that when the position of the waist massage machine core is adjusted, the switch can be pressed to control the screw rod to rotate forwards or reversely in a mode of controlling the output of the driving motor, and the purpose of adjusting the front and rear positions of the waist massage machine core is achieved. So make the control of chair more convenient, adjust more accurate.

In other embodiments, the driving member may be an electric push cylinder, where the cylinder body of the electric push cylinder may be mounted on the rear housing of the second support, and the telescopic end of the electric push cylinder is connected to the third support 45, so as to achieve the purpose of adjusting the front and rear positions of the waist massage machine core by controlling the electric push cylinder.

In this embodiment, as shown in fig. 1, 2 and 3, the lumbar massage assembly further includes a battery compartment mounted on the back of the chair, and a battery for supplying power to the lumbar massage movement 3 is disposed in the battery compartment, so that the chair mounted with the back of the chair can move and provide massage services at any time. Further, the battery compartment comprises a mounting frame 61 and a battery rack 62 for placing batteries, the mounting frame 61 is fixed in the shell 2, the mounting frame 61 is positioned below the adjusting component 4, the battery rack is slidably mounted on the mounting frame 61, an opening communicated with the inside of the shell 2 is formed in the rear end of the shell 2, and the opening is positioned at the rear side of the battery rack 62, and the battery rack 62 on the back frame 1 is slidably arranged; during servicing, the battery rack 62 may be moved out of the opening of the housing 2 to facilitate servicing.

The utility model provides a massage net chair, includes foretell back of the chair subassembly, wherein the back of the chair frame of frame formula is put up including mid portion and upside part, and the mid portion of back of the chair frame is waist portion, the rear end of casing wears out from waist portion, and upside part is back portion, the cladding has the net that stretches over on the back portion, install the support surface fabric that can cover its activity chamber front end on the casing, when being used for sitting on the net chair, the support surface fabric supports user's waist, the massage head of waist massage core 3 is through pushing away the support surface fabric and massaging the waist that is used for.

In this embodiment, support surface fabric includes the zone of heating and has elastic foundation layer, the foundation layer can be a plurality of materials such as net, stretch cloth, the zone of heating can be heater strip, graphite alkene or other heating material, the power supplies power to the zone of heating to make the zone of heating send heat and carry out the hot compress to user's whole waist, improve the travelling comfort of net chair.

In this embodiment, the massage ball of waist massage core has the heating function, and when being used for using the net chair like this, waist massage core can be to the key hot compress of massage position, can further improve the massage effect of net chair like this, makes the user obtain better experience. The massage ball of waist massage core can also install the atmosphere lamp, further improves user's use experience.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model.

Claims (10)

1. The utility model provides a back of chair subassembly, includes back of the chair frame (1) to and install the waist massage assembly on back of the chair frame (1), waist massage assembly includes waist massage core (3), its characterized in that: the waist massage assembly further comprises an adjusting assembly (4) for adjusting the front and back positions of the waist massage machine core (3), the adjusting assembly (4) comprises a first bracket (41), a second bracket (42), a first connecting rod (43), a second connecting rod (44) and a third bracket (45), the second bracket (42) is fixed on the back frame (1), the first bracket (41) is positioned in front of the second bracket (42), one end of the first connecting rod (43) is hinged with the third bracket (45), the other end of the first connecting rod (43) is hinged with the first bracket (41), one end of the second connecting rod (44) is hinged with the second bracket (42), the other end of the second connecting rod (44) is in sliding connection with the first bracket (41), the first connecting rod (43) and the second connecting rod (44) are arranged in a crossed mode, the first connecting rod (43) is hinged with the second connecting rod (44), the third bracket (45) is in sliding connection with the second bracket (42), and the waist massage machine core (3) is arranged on the first bracket (41); the adjusting assembly (4) further comprises a driving piece (5) for driving the third bracket (45) to slide on the second bracket (42), and the first bracket (41) can be driven to move back and forth through the first connecting rod (43) and the second connecting rod (44) when the third bracket (45) slides.

2. A chair back assembly according to claim 1, wherein: the waist massage assembly further comprises a shell (2), the adjusting component (4) is arranged on the back frame (1) through the shell (2), a movable cavity with a forward opening is formed in the shell (2), the shell (2) is fixedly connected with the back frame (1), the second support (42) is located in the movable cavity, and the second support (42) is fixedly connected with the shell (2).

3. A chair back assembly according to claim 2, wherein: the upper side part of the chair back frame (1) and the front end of the shell (2) are respectively coated with a tightening net; and a supporting fabric is arranged on the shell (2), and comprises a heating layer.

4. A chair back assembly according to claim 2, wherein: the driving piece (5) comprises a traction steel wire (54) for driving the third bracket (45) to slide, one end of the traction steel wire (54) is connected with the third bracket (45), and the other end of the traction steel wire (54) is arranged on the shell (2) in a pullable mode.

5. A chair back assembly according to claim 4, wherein: the driving part (5) also comprises a resetting part for driving the third bracket (45) to reset.

6. A chair back assembly according to claim 2, wherein: the driving piece (5) comprises a driving motor; a second nut is fixed on the third bracket (45), the second nut is in threaded connection with the screw rod, and the driving motor is in transmission connection with the screw rod.

7. A chair back assembly according to claim 2, wherein: the chair back frame (1) is of a frame structure, and the rear side part of the shell (2) protrudes backwards and penetrates out of the middle part of the chair back frame (1).

8. A chair back assembly according to claim 2, wherein: the chair back assembly further comprises a battery compartment arranged on the shell (2), and a battery for supplying power to the waist massage machine core (3) is arranged in the battery compartment; the battery compartment comprises a battery rack (62) slidably mounted on the housing (2) for holding batteries.

9. A chair back assembly according to claim 1, wherein: the waist massage machine core (3) comprises a massage ball with a heating function.

10. A massage net chair, which is characterized in that: a chair back assembly comprising any of the above claims 1-9.