CN218889897U

CN218889897U - Massage chair frame

Info

Publication number: CN218889897U
Application number: CN202220489233.2U
Authority: CN
Inventors: 林新强
Original assignee: Xiamen Mas Agee Electronic Technology Co ltd
Current assignee: Xiamen Mas Agee Electronic Technology Co ltd
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2023-04-21
Anticipated expiration: 2032-03-08

Abstract

The utility model discloses a massage chair frame, comprising: the chassis is provided with a power mechanism, one end of the first swing frame is hinged to the chassis and connected with the power end of the power mechanism, the middle of the transition connecting frame is hinged to the other end of the first swing frame, one end of the second swing frame is hinged to the transition connecting frame, the other end of the second swing frame is hinged to the chassis, the backrest frame is hinged to the transition connecting frame and the second swing frame, one end of the leg support frame is hinged to the backrest frame, the connecting rod mechanism is hinged to the first swing frame and the transition connecting frame respectively, the connecting rod mechanism is linked with the leg support frame, and the leg support frame is unfolded by abutting against the leg support frame when the connecting rod mechanism is unfolded. The utility model discloses the new leg rest that makes of nature and overall structure warp expansion in step, and need not another set of drive arrangement, has reduced the complexity of massage armchair frame inner space simultaneously, has reduced the design degree of difficulty and manufacturing cost.

Description

Massage chair frame

Technical Field

The utility model relates to the field of massage chairs, in particular to a massage chair frame.

Background

When the massage armchair is in different states of lying and sitting postures, from the perspective of meeting ergonomics, in order to make a user feel more comfortable, the leg support state of the massage armchair also needs to be unfolded or folded synchronously, if a set of driving device is independently arranged for the massage armchair, the control mechanism is more complex, the failure rate is increased, the driving device is arranged in the space in the frame of the massage armchair, the complexity of manufacturing and assembling is increased, and the cost is increased.

Disclosure of Invention

The present utility model aims to solve at least to some extent one of the technical problems in the above-described technology. Therefore, the utility model aims to provide the massage armchair frame, which is characterized in that the leg support frame is linked with the integral structure through the link mechanism, so that the leg support frame and the deformation of the integral structure are synchronously unfolded, an additional set of driving device is not needed, meanwhile, the complexity of the internal space of the massage armchair frame is reduced, and the design difficulty and the manufacturing cost are reduced.

To achieve the above object, one embodiment of the present utility model provides a massage chair frame: comprising the following steps:

the chassis is provided with a power mechanism;

one end of the first swing frame is hinged to the underframe and is connected with the power end of the power mechanism;

the middle part of the transition connecting frame is hinged with the other end of the first swinging frame;

one end of the second swing frame is hinged with the transition connecting frame, and the other end of the second swing frame is hinged with the underframe;

the backrest frame is hinged with the transition connecting frame and the second swinging frame;

the leg support frame is hinged with the backrest frame at one end;

the connecting rod mechanism is hinged with the first swing frame and the transition connecting frame respectively, the connecting rod mechanism is linked with the leg support frame, and the leg support frame is unfolded by abutting against the leg support frame when the connecting rod mechanism is unfolded.

According to the massage chair frame, as the power mechanism is arranged on the underframe, one end of the first swing frame is hinged to the underframe and is connected with the power mechanism; the middle part of the transition connecting frame is hinged with the other end of the first swinging frame; one end of the second swing frame is hinged with the transition connecting frame, and the other end of the second swing frame is hinged with the underframe; the backrest frame is hinged with the transition connecting frame and the second swinging frame; one end of the leg support is hinged to the backrest frame; the connecting rod mechanism is hinged with the first swing frame and the transition connecting frame respectively, and when the massage chair is unfolded, the leg support frame is linked by abutting against the leg support frame, so that the leg support frame and the deformation of the integral structure are synchronously unfolded, and an additional set of driving device is not needed, meanwhile, the complexity of the internal space of the massage chair frame is reduced, and the design difficulty and the manufacturing cost are reduced.

In addition, the massage armchair frame provided by the embodiment of the utility model can also have the following additional technical characteristics:

optionally, the link mechanism is formed by sequentially hinging a first link, a second link, a third link and a fourth link,

the first connecting rod is hinged to the first swinging frame;

the middle part of the second connecting rod is hinged with one end of the transition connecting frame;

the fourth connecting rod and the leg support are hinged to one end of the backrest frame.

Further, a supporting piece is formed in the middle of the leg support and is close to one side of the connecting rod mechanism, the supporting piece abuts against the hinge joint of the fourth connecting rod and the third connecting rod, and when the connecting rod mechanism is unfolded, the fourth connecting rod is driven to change the angle, and the supporting piece abuts against the supporting piece to enable the leg support to rotate towards the horizontal direction.

Optionally, the link mechanism is formed by sequentially hinging a first link, a second link and a third link,

the first connecting rod is hinged to the first swinging frame;

the third connecting rod is linked with the leg support frame.

Further, the two sides of the leg support frame are provided with brackets, one end of each bracket is hinged to the backrest frame together with the leg support frame, the cross section of each bracket is L-shaped, an upward open space is formed, the leg support frame is arranged in the bracket, the third connecting rod is hinged to the other end of each bracket, and when the connecting rod mechanism is unfolded, the brackets are pushed to rotate in the horizontal direction, so that the leg support frames move together.

Further, a connecting lug is formed at the lower part of the other end of the bracket, and the connecting lug is hinged with the third connecting rod.

Optionally, the chassis forms a first limiting part and a second limiting part upwards, and the first limiting part is formed in the swinging range of the first swinging frame to limit the swinging range of the first swinging frame; the second limiting piece is formed in the swing range of the second swing frame and limits the swing range of the second swing frame.

Optionally, power unit includes motor, worm gear and screw pair, the motor with worm gear is connected, worm gear with screw pair is connected, and the motor rotates and drives worm gear and worm motion, and then makes the screw of screw pair rotatory, promotes the screw back-and-forth movement, realizes stretching out and drawing back.

Drawings

FIG. 1 is an expanded side view of a first embodiment of a structure according to the present utility model;

FIG. 2 is a side elevational view of a first embodiment of a folded structure in accordance with the present utility model;

FIG. 3 is an isometric view of a structural variation according to a first embodiment of the present utility model;

FIG. 4 is a side view of a modified structure according to a first embodiment of the present utility model;

FIG. 5 is an expanded side view of a structure according to a second embodiment of the present utility model;

FIG. 6 is a side elevational view of a second embodiment of a folded structure according to the present utility model;

FIG. 7 is an isometric view of a structural variation according to a second embodiment of the present utility model;

fig. 8 is a side view of a modified structure according to a second embodiment of the present utility model.

Description of the reference numerals: the chassis 1, the first limiting piece 11, the second limiting piece 12, the power mechanism 2, the power end 21, the first swinging frame 3, the transitional connecting frame 4, the second swinging frame 5, the backrest frame 6, the leg supporting frame 7, the supporting piece 71, the bracket 72, the link mechanism 8, the first link 81, the second link 82, the third link 83 and the fourth link 84.

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.

Because the underframe is provided with the power mechanism, one end of the first swing frame is hinged with the underframe and is connected with the power mechanism; the middle part of the transition connecting frame is hinged with the other end of the first swinging frame; one end of the second swing frame is hinged with the transition connecting frame, and the other end of the second swing frame is hinged with the underframe; the backrest frame is hinged with the transition connecting frame and the second swinging frame; one end of the leg support frame is hinged with the backrest frame; the connecting rod mechanism is respectively hinged with the first swing frame and the transitional connecting frame, and when the massage chair is unfolded, the leg support frame is linked by abutting against the leg support frame, so that the leg support frame and the deformation of the integral structure are synchronously unfolded, and an additional set of driving device is not needed, meanwhile, the complexity of the internal space of the massage chair frame is reduced, and the design difficulty and the manufacturing cost are reduced.

In order that the above-described aspects may be better understood, exemplary embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.

Figures 1 to 4 show a first embodiment of the present disclosure,

the chassis 1, the chassis 1 is provided with a power mechanism 2; the first swinging frame 3, one end of the first swinging frame 3 is hinged with the underframe 1 and is connected with the power end 21 of the power mechanism 2; the middle part of the transition connecting frame 4 is hinged with the other end of the first swinging frame 3; one end of the second swing frame 5 is hinged with the transition connecting frame 4, and the other end of the second swing frame 5 is hinged with the underframe 1; the backrest frame 6 is hinged with the transition connecting frame 4 and the second swinging frame 5; a leg support 7, wherein one end of the leg support 7 is hinged with the backrest frame 6; the link mechanism 8, the link mechanism 8 is articulated with the first swing frame 3 and the transition connecting frame 4 respectively, the link mechanism 8 is linked with the leg support frame 7, and the leg support frame 7 is unfolded by abutting against the leg support frame 7 when the link mechanism 8 is unfolded. Alternatively, the link mechanism is formed by sequentially hinging a first link 81, a second link 82, a third link 83 and a fourth link 84, and the first link 81 is hinged to the first swinging frame 3; the middle part of the second connecting rod 82 is hinged with one end of the transition connecting frame 4; the fourth link 84 is hinged to one end of the back rest 6 together with the leg rest 7. Further, a supporting member 71 is formed at one side of the middle part of the leg rest 7 near the link mechanism 8, the supporting member 71 abuts against the hinge joint of the fourth link 84 and the third link 83, and when the link mechanism 8 is unfolded, the fourth link 84 is driven to change the angle, and the leg rest 7 is rotated in the horizontal direction by abutting against the supporting member 71.

The first swinging frame 3 and the second swinging frame 5 are hinged through a transverse I-shaped transition connecting frame 4 and are combined with the underframe 1, a quadrilateral structure which can deform in a plane is formed when the side view is seen, one end of the I-shaped transition connecting frame 4 is hinged with the second swinging frame 5 and the pivot of the backrest frame 6, the whole swinging of the second swinging frame 5 in the plane is semicircular, so that the backrest frame 6 hinged on the second swinging frame also has a low point and a high point, when the backrest frame 6 moves from the low point to the high point, the backrest frame 6 can be vertical at the high point when seen from the side view, the backrest and the cushion are arranged on the backrest frame 6 at the low point, and the sitting posture and the lying posture of the massage chair are switched. On the contrary, the first swinging frame 3 can also swing in a semicircular shape, and is hinged with the power end of the power mechanism 2 and the transition connecting frame 4 so as to drive the second swinging frame 5 to swing in the same direction; this oscillation brings about geometrical changes of: the included angle between the first swinging frame 3 and the transition connecting frame 4 can be changed from an obtuse angle to an acute angle or vice versa; the first swinging frame 3 is connected to the middle part of the transition connecting frame 4, so that one end of the transition connecting frame 4 extends out of the quadrangle, and the setting of the I-shaped piece provides a part of another quadrangle structure; at this time, the first link 81 is hinged to the first swing frame 3, the middle part of the second link 82 is hinged to one end point of the i-shaped transition connection frame 4, at this time, the aforementioned another quadrilateral structure is changed into a pentagon due to the addition of the first link 81 and the second link 82, one end of the second link 82 is affected by the geometric form change of the pentagon and swings around the hinge point between the second link 82 and the transition connection frame 4, and the swing drives the third link 83 and the fourth link 84 to approach or separate from the transition connection frame 4, so as to push the leg rest 7 abutted against the second link to separate from or approach the transition connection frame 4, thereby realizing the linkage between the leg rest 7 and the link mechanism 8. When the first swing frame 3 moves forwards, the height of the quadrangle is reduced, the pentagon is compressed, the hinged end of the second connecting rod 82 and the third connecting rod 83 is far away from the transitional connecting frame 4, at the moment, the included angle formed by the third connecting rod 83 and the fourth connecting rod 84 is reduced, and the hinged point between the third connecting rod 83 and the fourth connecting rod 84 rotates to a nearly horizontal position around the hinged point between the fourth connecting rod 84 and the backrest frame 6 because the fourth connecting rod 84 is hinged to the backrest frame 6; when the first swing frame 3 moves backward, the above movement process is reversed, and the hinge point between the third link 83 and the fourth link 84 can rotate to a position close to vertical around the hinge point between the fourth link 84 and the backrest frame 6, so that the leg rest 7 abutted against the hinge point can move to a position close to vertical to the ground, and the folding of the structure is realized.

Optionally, the underframe forms a first limiting piece 11 and a second limiting piece 12 upwards, the first limiting piece 11 is formed in the swinging range of the first swinging frame 3, and limits the swinging range of the first swinging frame 3; the second stopper 12 is formed in the swing range of the second swing frame 5, and restricts the swing range of the second swing frame 5. The setting of the limiting piece is used for limiting the range of the semicircular swinging areas of the first swinging frame 3 and the second swinging frame 5, because the first swinging frame 3 and the second swinging frame 5 are hinged through the transverse I-shaped transition connecting frame 4 and are combined with the underframe 1, a quadrilateral structure which can deform in a plane is formed when the quadrilateral structure is seen from the side, if the quadrilateral structure is not limited, the quadrilateral structure finally has a linear trend, namely the integral structure cannot realize static stability, so that the limiting piece is needed, the limiting piece is used for supporting the swinging frames besides limiting, the whole structure can keep a static stable state, the top of the limiting piece is provided with a bevel edge and is arranged towards the swinging frames, so that a larger supporting contact area is provided, and the pressure intensity is reduced. The setting position and the outline dimension of the limiting piece can be adjusted, and the limiting piece can be designed into an integral polygon on the premise of meeting the functions. The same technical effect can be achieved.

Optionally, the power mechanism 2 comprises a motor, a worm gear and a screw pair, the motor is connected with the worm gear and the screw pair, the worm gear and the screw pair are connected, the motor rotates to drive the worm gear and the screw to move, and then the screw of the screw pair rotates to push the screw to move back and forth, so that the expansion and the contraction are realized. The motor, the worm gear and the screw pair are adopted, because the motor is transversely arranged, the whole length of the power mechanism 2 is reduced, the worm gear and the screw have self-locking property, the power mechanism is prevented from being reversely compressed by external force in movement, the screw of the screw pair is connected with the power end, the power end is pushed to stretch out and draw back, and the state of the power mechanism 2 is changed through the control of an external controller on the motor.

Figures 5 to 8 show a second embodiment of the present disclosure,

the chassis 1, the chassis 1 is provided with a power mechanism 2; the first swinging frame 3, one end of the first swinging frame 3 is hinged with the underframe 1 and is connected with the power end 21 of the power mechanism 2; the middle part of the transition connecting frame 4 is hinged with the other end of the first swinging frame 3; one end of the second swing frame 5 is hinged with the transition connecting frame 4, and the other end of the second swing frame 5 is hinged with the underframe 1; the backrest frame 6 is hinged with the transition connecting frame 4 and the second swinging frame 5; a leg support 7, wherein one end of the leg support 7 is hinged with the backrest frame 6; the link mechanism 8, the link mechanism 8 is articulated with the first swing frame 3 and the transition connecting frame 4 respectively, the link mechanism 8 is linked with the leg support frame 7, and the leg support frame 7 is unfolded by abutting against the leg support frame 7 when the link mechanism 8 is unfolded. Alternatively, the link mechanism 8 is formed by sequentially hinging a first link 81, a second link 82 and a third link 83, and the first link 81 is hinged to the first swinging frame 3; the middle part of the second connecting rod 82 is hinged with one end of the transition connecting frame 4; the third link 83 is linked to the leg rest 7. Further, brackets 72 are formed on both sides of the leg rest 7, one end of each bracket 72 and the leg rest 7 are hinged to the backrest frame 6 together, the cross section of each bracket 72 is L-shaped, an upward open space is formed, the leg rest 7 is accommodated therein, the third connecting rod 83 is hinged to the other end of each bracket 72, and when the connecting rod mechanism 8 is unfolded, the brackets 72 are pushed to rotate in the horizontal direction, so that the leg rest 7 moves together. Further, a lower portion of the other end of the bracket 72 is formed with a connection lug, and the connection lug is hinged with the third link 83.

The first swinging frame 3 and the second swinging frame 5 are hinged through a transverse I-shaped transition connecting frame 4 and are combined with the underframe 1, a quadrilateral structure which can deform in a plane is formed when the side view is seen, one end of the I-shaped transition connecting frame 4 is hinged with the second swinging frame 5 and the pivot of the backrest frame 6, the whole swinging of the second swinging frame 5 in the plane is semicircular, so that the backrest frame 6 hinged on the second swinging frame also has a low point and a high point, when the backrest frame 6 moves from the low point to the high point, the backrest frame 6 can be vertical at the high point when seen from the side view, the backrest and the cushion are arranged on the backrest frame 6 at the low point, and the sitting posture and the lying posture of the massage chair are switched. On the contrary, the first swinging frame 3 can also swing in a semicircular shape, and is hinged with the power end of the power mechanism 2 and the transition connecting frame 4 so as to drive the second swinging frame 5 to swing in the same direction; this oscillation brings about geometrical changes of: the included angle between the first swinging frame 3 and the transition connecting frame 4 can be changed from an obtuse angle to an acute angle or vice versa; the first swinging frame 3 is connected to the middle part of the transition connecting frame 4, so that one end of the transition connecting frame 4 extends out of the quadrangle, and the setting of the I-shaped piece provides a part of another quadrangle structure; at this time, the first link 81 is hinged to the first swing frame 3, the middle part of the second link 82 is hinged to one end of the i-shaped transition connecting frame 4, at this time, the aforementioned other quadrilateral structure is changed into a pentagon due to the addition of the first link 81 and the second link 82, one end of the second link 82 is affected by the change of the geometric form of the pentagon and swings around the hinge point between the second link 82 and the transition connecting frame 4, the swinging drives the third link 83 and the bracket 72 to approach or separate from the transition connecting frame 4, the bracket 72 has an L-shaped cross section, so that an upwardly open space is formed, the leg rest 7 is accommodated therein, so as to push the leg rest 7 accommodated therein to separate from or approach the transition connecting frame 4, and linkage between the leg rest 7 and the link mechanism 8 is realized. When the first swinging frame 3 moves forwards, the height of the quadrangle is reduced, the pentagon is compressed, the hinged end of the second connecting rod 82 and the third connecting rod 83 is far away from the transitional connecting frame 4, at the moment, the included angle formed by the third connecting rod 83 and the bracket 72 is reduced, and the hinged point between the third connecting rod 83 and the bracket 72 rotates to a nearly horizontal position around the hinged point between the bracket 72 and the backrest frame 6 because the bracket 72 is hinged to the backrest frame 6; when the first swing frame 3 moves backward, the above movement process is reversed, and the hinge point between the third link 83 and the bracket 72 rotates to a nearly vertical position around the hinge point between the bracket 72 and the backrest frame 6, so that the leg rest 7 abutted against the hinge point moves to a nearly vertical position with respect to the ground, thereby realizing the folding of the structure.

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", "outer", "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 devices or elements 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.

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.

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 should not be understood as necessarily being directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Further, one skilled in the art can engage and combine the different embodiments or examples described in this specification.

While 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 to the above embodiments by one of ordinary skill in the art within the scope of the utility model.

Claims

1. A massage chair frame, characterized in that: comprising the following steps:

the chassis is provided with a power mechanism;

the leg support frame is hinged with the backrest frame at one end;

2. A massage armchair frame according to claim 1, characterized in that: the connecting rod mechanism is formed by sequentially hinging a first connecting rod, a second connecting rod, a third connecting rod and a fourth connecting rod;

the first connecting rod is hinged to the first swinging frame;

3. A massage armchair frame according to claim 2, characterized in that: the middle part of the leg support is close to one side of the connecting rod mechanism to form a supporting piece, the supporting piece is propped against the hinge joint of the fourth connecting rod and the third connecting rod, and when the connecting rod mechanism is unfolded, the fourth connecting rod is driven to change the angle and propped against the supporting piece to enable the leg support to rotate towards the horizontal direction.

4. A massage armchair frame according to claim 1, characterized in that: the connecting rod mechanism is formed by sequentially hinging a first connecting rod, a second connecting rod and a third connecting rod;

the first connecting rod is hinged to the first swinging frame;

the third connecting rod is linked with the leg support frame.

5. A massage armchair frame according to claim 4, characterized in that: the leg rest both sides form the bracket, bracket one end with leg rest joint in the back frame, the bracket cross-section is L shape, forms upwards open space, makes leg rest holding wherein, the third connecting rod with the bracket other end articulates, when link mechanism expands, promotes the bracket to rotate to the horizontal direction, makes leg rest joint movement.

6. A massage armchair frame according to claim 5, characterized in that: the lower part of the other end of the bracket is provided with a connecting lug, and the connecting lug is hinged with the third connecting rod.

7. A massage armchair frame according to claim 1, characterized in that: the first limiting piece is formed in the swing range of the first swing frame to limit the swing range of the first swing frame; the second limiting piece is formed in the swing range of the second swing frame and limits the swing range of the second swing frame.

8. A massage armchair frame according to claim 1, characterized in that: the power mechanism comprises a motor, a worm gear and a screw pair, the motor is connected with the worm gear and the screw pair, the worm gear and the screw pair are connected, the motor rotates to drive the worm gear and the screw pair to move, and then the screw of the screw pair rotates to push the screw to move back and forth, so that the expansion and the contraction are realized.