CN220529621U - Structure of back-leaning forward-moving massage chair - Google Patents

Abstract

The utility model provides a back-falling forward-moving massage chair structure, which comprises a chair seat; the front end of the chair part guide rail is far away from the wall side and deviates from the initial position, the hinge point of the rear swing rod on the chair part support is positioned at the side edge of the back guide rail, and the front swing rod, the rear swing rod, the chair part support and the chair seat form a stable trapezoid structure for supporting the back guide rail structure. By adopting the back-falling structure of the massage chair, through the linkage action of the front swing rod, the rear swing rod, the sliding support rod and the top support piece, the front end of the chair part guide rail is deviated from the initial position towards the side far away from the wall in the process of clockwise downwards overturning the back guide rail to the back-falling state, the possibility of collision with the wall when the guide rail structure state is switched is reduced, the occupied space of the massage chair is reduced, the storage of the massage chair is facilitated, and the practicability of the massage chair is greatly improved.

Description

Structure of back-leaning forward-moving massage chair

Technical Field

The utility model relates to a back-falling forward-moving massage chair structure.

Background

When the conventional massage chair is used, a person sits on the seat surface of the back body of the massage seat and then turns backwards, so that the person can rest, relax or massage comfortably while lying on the seat surface.

The utility model provides a massage armchair of related art application number CN202122780334.3, includes base, seat and back support, be provided with first articulated elements and second articulated elements on the base, the seat passes through first articulated elements with the second articulated elements with the base is articulated, the back support with the seat rotates to be connected, just the lower part of back support is provided with the connecting piece, the both ends of connecting piece respectively with the back support with the seat is articulated.

Because the back body of the massage seat needs to occupy a large space when being turned backwards, the massage chair needs to be placed at a sufficient distance behind the back body to avoid collision with obstacles such as a wall surface at the rear, and the like, so that the massage chair occupies a large space and is inconvenient to store and the like.

Accordingly, the present application contemplates a reverse back forward massage chair structure that addresses one or more of the above issues.

Disclosure of Invention

The utility model provides a back-falling forward-moving massage chair structure, which can effectively solve the problems.

The utility model is realized in the following way:

the structure of the back-reversing forward-moving massage chair comprises

A seat;

the guide rail structure is arranged on the seat and comprises a seat part guide rail and a back guide rail which is hinged and matched with the rear end of the seat part guide rail; two sides of the chair guide rail are provided with chair brackets which extend from the rear end of the chair guide rail to the side edges of the back guide rail;

the control swing frame is assembled on two sides of the seat and used for switching the back-falling state of the guide rail structure; the control swing frame comprises a front swing rod, a rear swing rod, a sliding support rod and a top support piece; one end of the front swing rod is hinged with the seat, the other end of the back swing rod is hinged with the seat, one end of the sliding support rod is in running fit with the seat along the length direction of the seat, and the other end of the sliding support rod is in running fit with the bottom of the back guide rail along with the sliding support rod;

the back guide rail is turned clockwise downwards until the front end of the chair guide rail in the back-falling state is away from the wall-leaning side and deviates from the initial position, the hinge point of the rear swing rod on the chair support is positioned at the side edge of the back guide rail, and the front swing rod, the rear swing rod, the chair support and the chair seat form a stable trapezoid structure for supporting the guide rail structure in the back-falling state.

As a further improvement, the two sides of the chair seat are provided with sliding holes which are positioned below the guide rail structure and extend along the length direction of the chair seat, and sliding columns which extend into and are in sliding fit with the sliding holes are formed at the opposite positions of the sliding support rods in a protruding mode.

As a further improvement, the hinge point of the front swing rod on the chair support is longitudinally higher than the hinge point of the rear swing rod on the chair support.

As a further improvement, the two sliding support rods are provided with a connecting rod for connecting the two sliding support rods at opposite positions.

As a further improvement, an electric push rod with the end part of the push rod connected with the connecting rod is arranged on the chair seat.

As a further improvement, the top support comprises a first top support rod, a second top support rod and a third top support rod, wherein the second top support rod and the third top support rod are hinged to two sides of one end of the first top support rod; one end of the first top support rod, which is far away from the seat, is hinged with the rear side of the bottom end of the back guide rail, and one end of the second top support rod, which is far away from the first top support rod, is matched in the sliding hole along with the sliding support rod in a sliding way; one end of the third top stay bar far away from the first top stay bar is hinged with the seat, and the hinge point of the third top stay bar on the seat is close to the hinge point of the rear swing rod on the seat.

As a further improvement, the top support piece comprises a first top support rod and a second top support rod hinged to one end of the first top support rod, which is far away from the seat, is hinged to the rear side of the bottom end of the back guide rail, and one end of the second top support rod, which is far away from the first top support rod, is matched in the sliding hole in a sliding way along with the sliding support rod; the hinge ends of the first top supporting rod and the second top supporting rod are convexly provided with guide posts; the back end of the chair seat is upwards provided with a sliding plate with an arc-shaped structure guiding sliding hole, and the guiding column is in sliding connection with the guiding sliding hole.

As a further improvement, the top supporting piece is a top supporting rod, one end of the top supporting rod is hinged with the rear side of the bottom end of the back guide rail, and the other end of the top supporting rod is matched in the sliding hole in a sliding way along with the sliding supporting rod.

The beneficial effects of the utility model are as follows:

by adopting the back-falling structure of the massage chair, through the linkage action of the front swing rod, the rear swing rod, the sliding support rod and the top support piece, the front end of the chair part guide rail is deviated from the initial position towards the side far away from the wall in the process of clockwise downwards overturning the back guide rail to the back-falling state, the possibility of collision with the wall when the guide rail structure state is switched is reduced, the occupied space of the massage chair is reduced, the storage of the massage chair is facilitated, and the practicability of the massage chair is greatly improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

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

FIG. 2 is a schematic diagram of the components of a control carriage embodying the present utility model;

FIG. 3 is a schematic view showing a rail structure in a sitting position according to an embodiment of the present utility model;

FIG. 4 is a schematic view showing a rail structure in an inverted back state according to an embodiment of the present utility model;

FIG. 5 is a schematic view showing a second rail structure in a sitting position according to an embodiment of the present utility model;

FIG. 6 is an enlarged schematic view of FIG. 5 at A in accordance with an embodiment of the present utility model;

FIG. 7 is a schematic view illustrating a state in which a second rail structure is in an inverted back state according to an embodiment of the present utility model;

FIG. 8 is a schematic view of a three rail structure in a stile position according to an embodiment of the present utility model;

fig. 9 is a schematic view showing a state in which the three-rail structure is in an inverted state according to the embodiment of the present utility model.

The drawings are identified as follows:

10. a seat; 11. a slip hole; 12. a slip plate; 121. a guide slide hole;

20. a guide rail structure; 21. a chair section guide rail; 22. a back guide rail; 23. a chair section support;

30. controlling the swing frame; 31. a front swing rod; 32. a rear swing rod; 33. a sliding stay bar; 331. a slip column;

34. a top support; 341. a first top stay; 342. a second top stay; 343. a third top stay; 344. a guide post; 345. a top brace rod;

40. a connecting rod;

50. an electric push rod.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, based on the embodiments of the utility model, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the utility model.

In the description of the present utility model, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying 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, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

As shown in fig. 1, the back-leaning forward moving massage chair structure comprises a chair seat 10, a guide rail structure 20 erected on the chair seat 10, and a control swing frame 30 assembled at two sides of the chair seat 10 for switching the back-leaning state of the guide rail structure 20; the rail structure 20 includes a seat rail 21 and a back rail 22 hinge-fitted to a rear end rail of the seat, and both sides of the seat rail 21 of the rail structure 20 have a seat bracket 23 extending from a rear end of the seat rail 21 to a side of the back rail 22.

As shown in fig. 1, the control swing frame 30 includes a front swing link 31, a rear swing link 32, a sliding stay 33, and a top stay 34; one end of a front swing rod 31 is hinged with the front end of the seat 10, the other end of the chair part bracket 23 is hinged with the front end of the seat 10, one end of a rear swing rod 32 is hinged with the rear end of the seat 10, the other end of a sliding support rod 33 is in rotating fit with the front swing rod 31, the other end of the sliding support rod is in sliding fit with the seat 10 along the length direction of the seat 10, and one end of a top support 34 is in sliding fit with the sliding support rod 33 together with the other end of the seat 10 and the bottom of the back guide rail 22; the hinge point of the front swing link 31 on the chair support 23 is longitudinally higher than the hinge point of the rear swing link 32 on the chair support 23.

As shown in fig. 1 and 2, the two sides of the seat 10 have sliding holes 11 extending along the longitudinal direction of the seat 10 under the rail structure 20, and sliding posts 331 extending into and slidably engaged with the sliding holes 11 are formed at opposite sides of the sliding support rods 33. The two sliding support rods 33 are provided with a connecting rod 40 for connecting the two sliding support rods, the electric push rod 50 connected with the middle position of the connecting rod 40 is arranged on the seat 10, and the electric push rod 50 is started to synchronously drive the sliding column 331 on each sliding support rod 33 to slide forwards or backwards along the extending direction of the sliding hole 11, so that the switching between the sitting and backing states of the guide rail structure 20 is realized.

As shown in fig. 3 and 4, when the back rail 22 is turned clockwise up to the front end of the seat rail 21 in the sitting state and the hinge point of the rear swing link 32 on the seat bracket 23 is located below the back rail 22, and the front swing link 31 and the rear swing link 32 are inclined toward the wall, the front swing link 31, the slide stay 33 and the seat 10 form a stable triangle structure for supporting the rail structure 20 in the sitting state.

As shown in fig. 3 and 4, the front end of the seat rail 21, which turns the back rail 22 clockwise downward to the inverted back state, is deviated from the initial position away from the wall side, and the hinge point of the rear swing link 32 on the seat support 23 is located at the side of the back rail 22, and the front swing link 31, the rear swing link 32, the seat support 23 and the seat 10 form a stable trapezoid structure for supporting the rail structure 20 in the inverted back state.

The present utility model is divided into the following various embodiments according to the structure and mounting position of the jack 34:

embodiment one:

as shown in fig. 3 and 4, the top support 34 includes a first top support bar 341, a second top support bar 342 and a third top support bar 343 hinged to both sides of one end of the first top support bar 341. One end of the first top supporting rod 341 far away from the seat 10 is hinged with the rear side of the bottom end of the back guide rail 22, one end of the second top supporting rod 342 far away from the first top supporting rod 341 is matched in the sliding hole 11 in a sliding way along with the sliding supporting rod 33, one end of the third top supporting rod 343 far away from the first top supporting rod 341 is hinged with the seat 10, and the hinge point of the third top supporting rod 343 on the seat 10 is close to the hinge point of the rear swing rod 32 on the seat 10.

The working principle and specific implementation actions of the first embodiment are described in detail below:

when the guide rail structure 20 is switched from the sitting and pushing state to the back-leaning state, the electric push rod 50 is started, the push rod end is contracted, the connecting rod 40 is pulled back towards the front end close to the seat 10, the sliding column 331 positioned in the sliding hole 11 slides to the front end of the sliding hole 11 from the rear end of the sliding hole 11 to drive the end part of the second top support rod 342 to move towards the direction far away from the wall, in the process, the first top support rod 341 swings from the position longitudinally higher than the rear swing rod 32 to the position longitudinally lower than the rear swing rod 32, so that the front swing rod 31, the rear swing rod 32, the seat support 23 and the seat 10 form a stable trapezoid structure for supporting the guide rail structure 20 in the back-leaning state, and the second top support rod 342, the third top support rod 343 and the seat 10 form an obtuse triangle structure which is stable in the hand at the moment, and the support stability of the guide rail structure 20 by the control swing frame 30 is further improved. Since the movement process of the rail structure 20 from the inverted back state to the sitting state is similar to the above description, the description thereof will not be repeated here.

Embodiment two:

as shown in fig. 5, 6 and 7, the top support 34 includes a first top support 341 and a second top support 342 hinged to one end of the first top support 341, where the end of the first top support 341 away from the seat 10 is hinged to the rear side of the bottom end of the back rail 22, and the end of the second top support 342 away from the first top support 341 is slidably fitted in the sliding hole 11 along with the sliding support 33; the hinge ends of the first top supporting rod 341 and the second top supporting rod 342 are convexly provided with a guide column 344; the rear end of the seat 10 is provided with a sliding plate 12 with a guide sliding hole 121 in an arc structure upwards, and a guide column 344 is slidably connected in the guide sliding hole 121.

The working principle and specific implementation actions of the second embodiment are carefully described below:

when the guide rail structure 20 is switched from the sitting and pushing state to the back-leaning state, the electric push rod 50 is started, the push rod end is contracted, the connecting rod 40 is pulled back towards the front end close to the seat 10, the sliding column 331 positioned in the sliding hole 11 slides from the rear end of the sliding hole 11 to the front end of the sliding hole 11 so as to drive the end part of the second top support rod 342 to move towards the direction far away from the wall, in the process, the first top support rod 341 swings from the position longitudinally higher than the rear swing rod 32 to the position longitudinally lower than the rear swing rod 32, and the guide column 344 guides the hinged end of the first top support rod 341 and the hinged end of the second top support rod 342 to swing along with the sliding of the sliding column 331 under the action of the wall of the guide sliding hole 121; the front swing link 31, the rear swing link 32, the seat support 23 and the seat 10 constitute a stable trapezoid structure for supporting the rail structure 20 in the inverted back state. Since the movement process of the rail structure 20 from the inverted back state to the sitting state is similar to the above description, the description thereof will not be repeated here.

It should be noted that, the supporting piece 34 described in the first embodiment and the second embodiment is adopted, so that the guide rail structure 20 can meet the requirements of the GBT 26182-2022 on the condition that the massage armchair collides with an obstacle 80mm away from the backrest of the chair in the back tilting process, namely, the zero wall leaning function of the massage armchair is realized.

Embodiment III:

as shown in fig. 8 and 9, the top support 34 is a top support rod 345, one end of the top support rod 345 is hinged to the rear side of the bottom end of the back rail 22, and the other end of the top support rod 345 is slidably fitted in the sliding hole 11 along with the sliding support rod 33.

The working principle and specific implementation actions of the third embodiment are carefully described below:

when the guide rail structure 20 is switched from the sitting and pushing state to the back-leaning state, the electric push rod 50 is started, the push rod end is contracted, the connecting rod 40 is pulled back towards the front end close to the seat 10, the sliding column 331 positioned in the sliding hole 11 slides from the rear end of the sliding hole 11 to the front end of the sliding hole 11 so as to drive the end part of the top supporting rod 345 to move towards the direction far away from the wall, and in the process, the top supporting rod 345 swings from the position longitudinally higher than the rear swinging rod 32 to the position longitudinally lower than the rear swinging rod 32; the front swing link 31, the rear swing link 32, the seat support 23 and the seat 10 constitute a stable trapezoid structure for supporting the rail structure 20 in the inverted back state. Since the movement process of the rail structure 20 from the inverted back state to the sitting state is similar to the above description, the description thereof will not be repeated here.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations may be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (8)

1. The back-falling forward-moving massage chair structure is characterized in that: comprising

A seat (10);

the guide rail structure (20), the guide rail structure (20) is erected on the seat (10), the guide rail structure (20) comprises a seat part guide rail (21) and a back guide rail (22) which is hinged and matched with the rear end of the seat part guide rail (21); two sides of the chair part guide rail (21) are provided with chair part brackets (23) which extend from the rear end of the chair part guide rail (21) to the side edges of the back guide rail (22);

the control swing frame (30) is assembled on two sides of the seat (10) and used for switching the sitting and backing-up states of the guide rail structure (20); the control swing frame (30) comprises a front swing rod (31), a rear swing rod (32), a sliding support rod (33) and a top support piece (34); one end of a front swing rod (31) is hinged with the chair seat (10) and the other end of the chair section support (23), one end of a rear swing rod (32) is hinged with the chair seat (10) and the other end of the rear swing rod is hinged with the chair section support (23), one end of a sliding support rod (33) is in running fit with the front swing rod (31) and the other end of the sliding support rod is in running fit with the chair seat (10) along the length direction of the chair seat (10), and one end of a top support piece (34) is in running fit with the bottom of a back guide rail (22) along with the sliding support rod (33);

the back guide rail (22) is turned clockwise downwards, the front end of the chair guide rail (21) in the back-falling state is away from the wall-leaning side and deviates from the initial position, the hinge point of the rear swing rod (32) on the chair support (23) is positioned at the side edge of the back guide rail (22), and the front swing rod (31), the rear swing rod (32), the chair support (23) and the chair seat (10) form a stable trapezoid structure for supporting the back-falling state guide rail structure (20).

2. The reverse back advancing massage chair structure of claim 1, wherein: the two sides of the chair seat (10) are provided with sliding holes (11) which are positioned below the guide rail structure (20) and extend along the length direction of the chair seat (10), and sliding columns (331) which extend into and are in sliding fit with the sliding holes (11) are formed at the opposite positions of the sliding supporting rods (33) in a protruding mode.

3. The reverse back advancing massage chair structure of claim 1, wherein: the hinge point of the front swing rod (31) on the chair support (23) is longitudinally higher than the hinge point of the rear swing rod (32) on the chair support (23).

4. The reverse back advancing massage chair structure of claim 1, wherein: the two sliding support rods (33) are provided with connecting rods (40) which are connected with the two sliding support rods in the opposite positions.

5. The reverse back advancing massage chair structure of claim 4, wherein: an electric push rod (50) with the end part connected with the connecting rod (40) is arranged on the chair seat (10).

6. The reverse back advancing massage chair structure of claim 1, wherein: the top support piece (34) comprises a first top support rod (341), a second top support rod (342) and a third top support rod (343), wherein the second top support rod (342) and the third top support rod (343) are hinged to two sides of one end of the first top support rod (341); one end of the first top supporting rod (341) far away from the seat (10) is hinged with the rear side of the bottom end of the back guide rail (22), and one end of the second top supporting rod (342) far away from the first top supporting rod (341) is matched in the sliding hole (11) along with the sliding supporting rod (33) in a sliding way; one end of the third top supporting rod (343) far away from the first top supporting rod (341) is hinged with the seat (10), and the hinge point of the third top supporting rod (343) on the seat (10) is close to the hinge point of the rear swing rod (32) on the seat (10).

7. The reverse back advancing massage chair structure of claim 1, wherein: the top support piece (34) comprises a first top support rod (341) and a second top support rod (342) hinged to one end of the first top support rod (341), one end of the first top support rod (341) far away from the seat (10) is hinged to the rear side of the bottom end of the back guide rail (22), and one end of the second top support rod (342) far away from the first top support rod (341) is matched in the sliding hole (11) along with the sliding support rod (33) in a sliding mode; the hinge ends of the first top supporting rod (341) and the second top supporting rod (342) are convexly provided with a guide column (344); the rear end of the chair seat (10) is upwards provided with a sliding plate (12) with an arc-shaped guide sliding hole (121), and a guide column (344) is slidably connected in the guide sliding hole (121).

8. The reverse back advancing massage chair structure of claim 1, wherein: the top support piece (34) is a top support rod (345), one end of the top support rod (345) is hinged with the rear side of the bottom end of the back guide rail (22), and the other end of the top support rod is matched in the sliding hole (11) in a sliding mode along with the sliding support rod (33).