CN218607270U - Massage chair frame with multi-connecting-rod backrest angle cooperative adjusting mechanism - Google Patents
Massage chair frame with multi-connecting-rod backrest angle cooperative adjusting mechanism Download PDFInfo
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- CN218607270U CN218607270U CN202220451168.4U CN202220451168U CN218607270U CN 218607270 U CN218607270 U CN 218607270U CN 202220451168 U CN202220451168 U CN 202220451168U CN 218607270 U CN218607270 U CN 218607270U
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- push rod
- bottom seat
- seat frame
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Abstract
The utility model discloses a massage chair frame with many connecting rods back angle is adjustment mechanism in coordination, the both ends of preceding support frame articulate bottom seat frame and upper portion back frame respectively, bottom seat frame and upper portion back frame are articulated respectively at the both ends of back support frame, the bottom seat frame, preceding support frame, back support frame constitutes four-bar linkage with upper portion back frame jointly, the articulated bottom seat frame of one end of push rod, the articulated upper portion back frame of the other end of push rod, the one end and the upper portion back frame of lower part back frame articulate on axle a, the other end of lower part back frame articulates the one end at the seat frame gangbar, the articulated bottom seat frame of the other end of seat frame gangbar. The technical effects achieved are as follows: the push rod is adopted, the structure is reasonable, the driving is direct and reliable, and the push rod not only provides variable power, but also plays a role in stably supporting the chair frame; secondly, this structure can make lower part back frame and upper portion back frame realize angle expansion and continuous change's function, and experience comfort level is better.
Description
Technical Field
The utility model relates to a massage armchair technical field, concretely relates to massage armchair frame with many connecting rods back angle adjustment mechanism in coordination.
Background
Patent application number 202120063417.8 discloses a forward zero gravity linked massage chair frame with an expandable seat and back angle, comprising a bottom seat frame, a front support frame, a rear support frame, a back frame, a movable seat frame, a seat frame linkage rod and a back swing mechanism, wherein the bottom seat frame, the front support frame, the rear support frame and the back frame form a four-bar linkage mechanism, one end of the movable seat frame is hinged with the rear support frame or the back frame, one end of the seat frame linkage rod is hinged with the other end of the movable seat frame, and the other end of the seat frame linkage rod is hinged with the front support frame. When the backrest swinging mechanism pushes the backrest frame to swing, the seat frame linkage rod can push the movable seat frame to swing, the seat frame can move forwards when the backrest frame swings and zero gravity adjustment is completed, so that the sitting posture of a person can not feel uncomfortable all the time when the person lies down for massage, the massage is more extended, and the relaxing effect is achieved.
The above technology has the following disadvantages: the back section and the seat section of this structure core motion are a fixed whole, and core motion contained angle is fixed unchangeable all the time, and the actual experience effect is limited, how to improve prior art not enough, the instant becomes the utility model discloses the object of research.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a massage chair frame with a multi-connecting rod backrest angle cooperative adjusting mechanism, which aims to solve the problems in the prior art.
In order to achieve the above object, the present invention provides the following technical solutions:
according to a first aspect of the present invention, a massage chair frame with a multi-link backrest angle cooperative adjustment mechanism comprises an upper backrest frame, a lower backrest frame, a seat frame linkage rod, a bottom seat frame, a front support frame, a push rod, a rear support frame and a shaft a;
the two ends of the front supporting frame are respectively hinged with the bottom seat frame and the upper backrest frame,
two ends of the rear supporting frame are respectively hinged with the bottom seat frame and the upper backrest frame,
the bottom seat frame, the front support frame, the rear support frame and the upper backrest frame form a four-bar linkage together,
one end of the push rod is hinged with the bottom seat frame, the other end of the push rod is hinged with the upper backrest frame,
one end of the lower backrest frame and the upper backrest frame are hinged on the shaft a, the other end of the lower backrest frame is hinged at one end of the seat frame linkage rod, and the other end of the seat frame linkage rod is hinged with the bottom seat frame.
Further, still include the spacer pin subassembly, upper portion back frame with be provided with between the lower part back frame the spacer pin subassembly, the spacer pin subassembly passes upper portion back frame with the hole on the back frame of lower part is spacing.
Further, the rotation center of the limit pin assembly is the shaft a.
Furthermore, massage movement walking guide rails are laid on the upper backrest frame and the lower backrest frame, and the walking guide rails laid on the upper backrest frame and the lower backrest frame are smoothly connected.
Further, the upper backrest frame and the lower backrest frame are rotatably hinged around the axis a, and have a guide rail overlapping transition area in an arc line segment rotating around the axis a.
Further, the push rod is any one of an electric push rod, a hydraulic cylinder or an air cylinder.
Further, the push rod is located on a vertical plane of symmetry of the bottom mount.
Furthermore, the utility model also comprises a front end vertical rod, the lower extreme of which is fixed at the front end of the bottom seat frame, and the upper end of the front end vertical rod is hinged with the seat frame linkage rod.
Furthermore, a connecting beam is arranged between the front support frames on two sides of the upper backrest frame.
Furthermore, a connecting beam is arranged between the rear support frames on two sides of the upper backrest frame.
The utility model has the advantages of as follows:
1. when utilizing push rod drive back frame motion, the back frame can promote seat frame motion in step, makes the contained angle grow of seat frame and back frame when the back frame accomplishes zero gravity and adjusts, can make the people when lying down the massage, the position of sitting can not nest always and is uncomfortable, massages more extension, experience comfort level is better.
2. The angle of the backrest frame and the seat frame can be continuously expanded and changed by one push rod, and the backrest frame and the seat frame have the advantages of simple structure, reliable work and low cost.
3. The rotation point of the upper backrest frame and the lower backrest frame is not changed relative to the upper backrest frame and the lower backrest frame when the upper backrest frame and the lower backrest frame are unfolded and adjusted, and the unfolding mechanism can run smoothly.
4. The guide rails laid in the upper backrest frame and the lower backrest frame are in smooth transition at the cross end section of the circular arc rotating around the axis a, so that the walking wheels of the massage machine core can run smoothly in each running state.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary and that other implementation drawings may be derived from the drawings provided to one of ordinary skill in the art without inventive effort.
The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.
Fig. 1 is a side view of a massage chair frame with a multi-link backrest angle cooperative adjustment mechanism according to some embodiments of the present invention in an initial state.
Fig. 2 is a schematic axial view of an initial state of a massage chair frame with a multi-link backrest angle cooperative adjustment mechanism according to some embodiments of the present invention.
Fig. 3 is an exploded view of a massage chair frame with a multi-link backrest angle cooperative adjustment mechanism according to some embodiments of the present invention.
Fig. 4 is a schematic side view of a massage chair frame with a multi-link backrest angle cooperative adjustment mechanism according to some embodiments of the present invention in a zero gravity state.
Fig. 5 is a schematic side view of a massage chair frame with a multi-link backrest angle cooperative adjustment mechanism according to some embodiments of the present invention in a zero gravity state.
In the figure: 1. an upper backrest frame, 2, a lower backrest frame, 3, a seat frame linkage rod, 4 and a bottom seat frame, 5, a limiting pin component, 6, a front support frame, 7, a push rod, 8, a rear support frame, a and a shaft.
Detailed Description
The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
As shown in fig. 1 to 5, a massage chair frame with a multi-link cooperative adjustment mechanism for backrest angle in an embodiment of the first aspect of the present invention includes an upper backrest frame 1, a lower backrest frame 2, a seat frame linkage rod 3, a bottom seat frame 4, a front support frame 6, a push rod 7, a rear support frame 8, and a shaft a; the two ends of the front support frame 6 are respectively hinged with the bottom seat frame 4 and the upper backrest frame 1, the two ends of the rear support frame 8 are respectively hinged with the bottom seat frame 4 and the upper backrest frame 1, the bottom seat frame 4, the front support frame 6, the rear support frame 8 and the upper backrest frame 1 jointly form a four-bar mechanism, one end of the push rod 7 is hinged with the bottom seat frame 4, the other end of the push rod 7 is hinged with the upper backrest frame 1, one end of the lower backrest frame 2 and the upper backrest frame 1 are hinged on the shaft a, the other end of the lower backrest frame 2 is hinged with one end of the seat frame linkage rod 3, and the other end of the seat frame linkage rod 3 is hinged with the bottom seat frame 4.
In the above embodiment, it should be noted that, referring to fig. 4 and 5, when the push rod 7 drives the upper back frame 1 and drives the front support frame 6 and the rear support frame 8 to move, the upper back frame 1 pushes the lower back frame 2 to rotate around the axis a, and simultaneously, the front end of the lower back frame 2 rotates around the upper end of the seat frame linkage rod 3, and the lower end of the seat frame linkage rod 3 rotates around the bottom seat frame 4, that is: when the push rod 7 retracts, the included angle between the upper backrest frame 1 and the lower backrest frame 2 is changed from small to large to form an expansion trend, and when the push rod 7 is pushed out, the included angle between the upper backrest frame 1 and the lower backrest frame 2 is changed from large to small to form a contraction trend.
The technical effects achieved by the embodiment are as follows: the push rod 7 is adopted in the embodiment, the structure is reasonable, the driving is direct and reliable, and the push rod 7 not only provides variable power, but also plays a role in stably supporting the chair frame; secondly, the structure can enable the lower backrest frame 2 and the upper backrest frame 1 to realize the functions of angle expansion and continuous change, and the experience comfort level is better.
Optionally, as shown in fig. 1 to 5, in some embodiments, the seat back frame further includes a limit pin assembly 5, the limit pin assembly 5 is disposed between the upper back frame 1 and the lower back frame 2, and the limit pin assembly 5 passes through holes on the upper back frame 1 and the lower back frame 2 for limiting.
Alternatively, as shown in fig. 1-5, in some embodiments, the center of rotation of the restraint pin assembly 5 is axis a.
The beneficial effects of the above alternative embodiment are: the limiting pin assembly 5 plays a role in further enhancing the connection strength, the motion stability and the motion limiting of the upper backrest frame 1 and the lower backrest frame 2.
Alternatively, as shown in fig. 1 to 5, in some embodiments, the upper back frame 1 and the lower back frame 2 are laid with the massage machine core walking guide rails, and the walking guide rails laid on the upper back frame 1 and the lower back frame 2 are smoothly connected.
The beneficial effects of the above alternative embodiment are: the massage machine core can freely walk in the guide rails of the upper backrest frame 1 and the lower backrest frame 2.
Alternatively, as shown in fig. 1 to 5, in some embodiments, the upper back frame 1 and the lower back frame 2 are rotatably hinged about an axis a, and have a rail overlapping transition region in an arc segment rotating about the axis a.
In the above alternative embodiment, it should be noted that the core wheel of the massage machine can run smoothly in the guide rail, forming a deployable flexible rail mechanism.
Alternatively, as shown in fig. 1 to 5, in some embodiments, the push rod 7 is any one of an electric push rod, a hydraulic cylinder or an air cylinder.
In the above alternative embodiment, it should be noted that, in addition, the push rod 7 may also adopt a linear reciprocating mechanism such as a crank connecting rod, a rack and pinion, a nut and screw, and the like.
The beneficial effects of the above alternative embodiment are: through the structural arrangement of the push rod 7, the processing cost is obviously reduced, and the mechanism acts and operates stably.
Alternatively, as shown in fig. 1-5, in some embodiments, push rod 7 is located on a vertical plane of symmetry of bottom mount 4.
In the above alternative embodiment, it should be noted that the specific position of the push rod 7 is set according to actual requirements, the two upper back frames 1 are connected by a support rod with a U-shaped structure, and the telescopic end of the push rod 7 is hinged to the middle of the support rod with the U-shaped structure.
Alternatively, as shown in fig. 1-5, in some embodiments, push rod 7 is located on a vertical plane of symmetry of bottom mount 4.
In the alternative embodiments described above, it should be noted that the push rod 7 may also be arranged at other possible positions.
Alternatively, as shown in fig. 1 to 5, in some embodiments, a connecting beam is provided between the front brackets 6 on both sides of the upper back frame 1.
The beneficial effects of the above alternative embodiment are: the connecting strength of the two front support frames 6 is enhanced by the connecting beam arranged between the front support frames 6.
Alternatively, as shown in fig. 1 to 5, in some embodiments, a connecting beam is provided between the rear support frames 8 on both sides of the upper back frame 1.
The beneficial effects of the above alternative embodiment are: the connecting strength of the two rear support frames 8 is enhanced by the connecting beam arranged between the rear support frames 8.
Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of this invention without departing from the spirit thereof.
In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.
Claims (10)
1. A massage chair frame with a multi-connecting-rod backrest angle cooperative adjusting mechanism is characterized by comprising an upper backrest frame (1), a lower backrest frame (2), a seat frame linkage rod (3), a bottom seat frame (4), a front support frame (6), a push rod (7), a rear support frame (8) and a shaft (a);
the two ends of the front supporting frame (6) are respectively hinged with the bottom seat frame (4) and the upper backrest frame (1),
the two ends of the rear supporting frame (8) are respectively hinged with the bottom seat frame (4) and the upper backrest frame (1),
the bottom seat frame (4), the front support frame (6), the rear support frame (8) and the upper backrest frame (1) form a four-bar linkage together,
one end of the push rod (7) is hinged with the bottom seat frame (4), the other end of the push rod (7) is hinged with the upper backrest frame (1),
one end of the lower backrest frame (2) is hinged to the shaft (a) together with the upper backrest frame (1), the other end of the lower backrest frame (2) is hinged to one end of the seat frame linkage rod (3), and the other end of the seat frame linkage rod (3) is hinged to the bottom seat frame (4).
2. The massage chair frame with the multi-link backrest angle cooperative adjustment mechanism according to claim 1, further comprising a limit pin assembly (5), wherein the limit pin assembly (5) is disposed between the upper backrest frame (1) and the lower backrest frame (2), and the limit pin assembly (5) passes through holes on the upper backrest frame (1) and the lower backrest frame (2) for limiting.
3. A massage chair frame with multi-link backrest angle cooperative adjustment mechanism according to claim 2, characterized in that the rotation center of the limit pin assembly (5) is the shaft (a).
4. The massage chair frame with the multi-link backrest angle cooperative adjustment mechanism according to claim 3, wherein the upper backrest frame (1) and the lower backrest frame (2) are laid with massage movement walking guide rails, and the walking guide rails laid on the upper backrest frame (1) and the lower backrest frame (2) are smoothly connected.
5. A massage chair frame with multi-link backrest angle cooperative adjustment mechanism according to claim 4, characterized in that the upper backrest frame (1) and the lower backrest frame (2) are rotatably hinged around the axis (a) and have rail overlapping transition areas in the arc segment rotating around the axis (a).
6. The massage chair frame with the multi-link backrest angle cooperative adjustment mechanism according to claim 5, wherein the push rod (7) is any one of an electric push rod, a hydraulic cylinder or a pneumatic cylinder.
7. A massage chair frame with a multi-link backrest angle cooperative adjustment mechanism according to claim 6, characterized in that the push rod (7) is located on the vertical symmetry plane of the bottom seat frame (4).
8. The massage chair frame with the multi-link backrest angle cooperative adjustment mechanism according to claim 7, further comprising a front vertical rod, wherein the lower end of the front vertical rod is fixed at the front end of the bottom seat frame (4), and the upper end of the front vertical rod is hinged with the seat frame linkage rod (3).
9. A massage chair frame with multi-link backrest angle cooperative adjustment mechanism according to claim 8, characterized in that a connecting beam is provided between the front support frames (6) at both sides of the upper backrest frame (1).
10. A massage chair frame with a multi-link backrest angle cooperative adjustment mechanism according to claim 9, characterized in that a connection beam is provided between the rear support frames (8) at both sides of the upper backrest frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220451168.4U CN218607270U (en) | 2022-03-02 | 2022-03-02 | Massage chair frame with multi-connecting-rod backrest angle cooperative adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220451168.4U CN218607270U (en) | 2022-03-02 | 2022-03-02 | Massage chair frame with multi-connecting-rod backrest angle cooperative adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218607270U true CN218607270U (en) | 2023-03-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220451168.4U Active CN218607270U (en) | 2022-03-02 | 2022-03-02 | Massage chair frame with multi-connecting-rod backrest angle cooperative adjusting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218607270U (en) |
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2022
- 2022-03-02 CN CN202220451168.4U patent/CN218607270U/en active Active
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