CN218889469U - Head and waist integrated stretching mechanism suitable for multifunctional sofa backrest - Google Patents
Head and waist integrated stretching mechanism suitable for multifunctional sofa backrest Download PDFInfo
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- CN218889469U CN218889469U CN202221234677.8U CN202221234677U CN218889469U CN 218889469 U CN218889469 U CN 218889469U CN 202221234677 U CN202221234677 U CN 202221234677U CN 218889469 U CN218889469 U CN 218889469U
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Abstract
The utility model provides a head and waist integrated stretching mechanism suitable for a multifunctional sofa backrest, and belongs to the technical field of multifunctional sofas. The waist support driving mechanism comprises a waist support driving assembly connected with the waist support, the waist support driving assembly comprises a connecting rod fixedly arranged between the two backrest frames, a waist support driving motor is arranged on the connecting rod, and a waist support adjusting piece connected with the waist support driving motor is arranged on the connecting rod. The head and neck adjusting mechanism comprises six-bar mechanisms arranged at the upper ends of the corresponding backrest frames, and a headrest driving assembly is arranged between the two six-bar mechanisms. The utility model is arranged on the inner frame of the functional sofa, and the waist support stretching mechanism is used for the waist support part of the backrest frame. The two backrest frames are symmetrical, and the driving assembly drives the waist support to stably reciprocate so as to extend the waist and ensure the stability of the massage chair.
Description
Technical Field
The utility model belongs to the technical field of functional sofas, and relates to a head-waist integrated stretching mechanism suitable for a multifunctional sofa backrest.
Background
Comfort and functionality are areas of concern when consumers choose to purchase sofas. The multifunctional sofa can improve the comfort of the sofa, and consumers can consider the angles of the head and the neck, the depending position of the waist and the proper and comfortable position of the feet. The existing functional sofa has complex structure and heavy weight, is difficult to carry and brings difficulty to use. In addition, the prior art has a plurality of defects, such as unstable operation of the functional sofa and lack of a limiting mechanism. After the driving mechanism of the functional sofa is driven to overrun, the movement mechanism can be overactuated, and the machine body can be damaged.
Disclosure of Invention
The utility model aims to solve the problems and provides a head and waist integrated stretching mechanism suitable for a multifunctional sofa backrest.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a first waist integration extending mechanism suitable for multi-functional sofa back, includes two back frames that the symmetry set up, back frame lower extreme set up waist and hold in the palm extending mechanism, waist hold in the palm extending mechanism including the waist support, hold in the palm the drive assembly with the waist that links to each other, waist hold in the palm drive assembly including setting firmly the connecting rod between two back frames, the connecting rod on be equipped with waist and hold in the palm driving motor, hold in the palm the regulating part with the waist that waist held in the palm driving motor links to each other.
In the head-waist integrated stretching mechanism suitable for the multifunctional sofa backrest, a limiting groove is further formed, the limiting groove comprises a first guide groove formed in the connecting rod, a second guide groove is formed in the waist support, and the extending directions of the first guide groove and the second guide groove are the same.
In the head-waist integrated stretching mechanism suitable for the multifunctional sofa backrest, the waist support adjusting piece comprises a connecting rod lifting mechanism arranged on the connecting rod, a first connecting rod arranged by the connecting rod lifting mechanism is connected with a driving rod of the waist support driving motor, the first connecting rod is arranged in the first guide groove through a pin shaft, and a second connecting rod arranged by the connecting rod lifting mechanism is arranged in the second guide groove through a pin shaft.
In the head-waist integrated stretching mechanism applicable to the multifunctional sofa backrest, the waist support is arranged at one end of the first connecting rod and one end of the second connecting rod, which are far away from the connecting rod.
In the head-waist integrated stretching mechanism applicable to the multifunctional sofa backrest, the waist support driving motor is a transverse driving motor.
The head and waist integrated stretching mechanism suitable for the multifunctional sofa backrest further comprises a head and neck adjusting mechanism, wherein the head and neck adjusting mechanism comprises six connecting rod mechanisms arranged at the upper ends of the corresponding backrest frames, and a headrest driving assembly is arranged between the two six connecting rod mechanisms.
In the head and waist integrated stretching mechanism suitable for the multifunctional sofa backrest, the six-bar mechanism comprises a support arranged on the corresponding backrest frame, the lower ends of a first rocker and a second rocker are hinged to the support at intervals, the upper end of the first rocker is hinged to a first connecting rod, the upper end of the second rocker is hinged to a second connecting rod, the middle section of the second rocker is hinged to the middle section of the first connecting rod, and the headrest support plate is hinged to the upper ends of the first connecting rod and the second connecting rod.
In the head and waist integrated stretching mechanism suitable for the multifunctional sofa backrest, the head and neck adjusting mechanism is further provided with the limiting mechanism, the limiting mechanism comprises a limiting rod arranged on the second rocker, and the height of the limiting rod is not lower than the thickness of the first connecting rod.
In the head and waist integrated stretching mechanism suitable for the multifunctional sofa backrest, the headrest driving assembly comprises a push rod arranged between the two first connecting rods, a headrest driving motor arranged on the support between the two backrest frames, and a driving rod of the headrest driving motor is fixedly arranged on the push rod.
In the head and waist integrated stretching mechanism applicable to the multifunctional sofa backrest, the headrest driving motor is a vertical driving motor.
Compared with the prior art, the utility model has the advantages that:
the utility model is arranged on the inner frame of the functional sofa, and the waist support stretching mechanism is used for the waist support part of the backrest frame. The driving component drives the waist support to stably reciprocate so as to adjust the waist. The two backrest frames are symmetrical, so that the stability of the functional couch is ensured.
In the utility model, the waist support adjusting piece is driven by the transverse driving motor, and the transverse driving motor reduces the installation space of the waist support stretching mechanism. In the utility model, besides the waist support stretching mechanism, the head and neck adjusting mechanism is also arranged, and the head and neck driving assembly drives the head and neck adjusting mechanism to do reciprocating rotation so as to drive the head rest to rotate, thereby facilitating the angle adjustment of the head rest.
In the utility model, the head and neck adjusting mechanism is a six-bar mechanism. The structure that the rocker is connected with the connecting rod is adopted, so that the head and neck adjusting mechanism has the advantages of high bearing capacity, small pressure intensity, convenience in lubrication, light abrasion, large transmission power and the like, and the head and neck adjusting mechanism is ensured to have higher bearing capacity and abrasion resistance and has a simple and compact structure.
According to the utility model, the limiting rod arranged on the second rocker limits the first connecting rod, so that the phenomenon that the first connecting rod moves beyond the limit after the driving mechanism is driven beyond the limit is prevented, and the neck injury phenomenon in the using process is avoided.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
Fig. 1 is a schematic structural view of a head-waist integrated stretching mechanism applicable to a multifunctional sofa backrest.
Fig. 2 is a schematic view of another angle structure of the head-waist integrated stretching mechanism suitable for the multifunctional sofa backrest.
Fig. 3 is a bottom view of the head and waist integrated stretching mechanism applicable to the multifunctional sofa backrest of the present utility model.
Fig. 4 is a schematic view of the six-bar linkage of fig. 1.
In the figure: the back frame 1, the lumbar support stretching mechanism 2, the lumbar support 3, the lumbar support driving assembly 4, the connecting rod 5, the lumbar support adjusting piece 6, the lumbar support driving motor 7, the first guide groove 8, the second guide groove 9, the connecting rod lifting mechanism 10, the head and neck adjusting mechanism 11, the six-connecting-rod mechanism 12, the headrest driving assembly 13, the support 14, the first rocker 15, the first connecting rod 16, the second rocker 17, the second connecting rod 18, the headrest support plate 19, the limiting rod 21, the push rod 22, the headrest driving motor 23, the first connecting rod 24 and the second connecting rod 25.
Detailed Description
The utility model will be further illustrated with reference to specific examples.
As shown in fig. 1-4, the head-waist integrated stretching mechanism suitable for a multifunctional sofa backrest comprises two backrest frames 1 which are symmetrically arranged, wherein a waist support stretching mechanism 2 is arranged at the lower end of each backrest frame 1, each waist support stretching mechanism 2 comprises a waist support 3, a waist support driving assembly 4 connected with each waist support 3, each waist support driving assembly 4 comprises a connecting rod 5 fixedly arranged between the two backrest frames 1, each connecting rod 5 is provided with a waist support driving motor 7, and a waist support adjusting piece 6 connected with each waist support driving motor 7.
The embodiment is arranged on the inner frame of the functional sofa, and the waist support stretching mechanism 2 is used for the waist support part of the backrest frame. The driving component drives the waist support to stably reciprocate so as to adjust the waist. The two backrest frames are symmetrical, so that the stability of the functional couch is ensured.
Specifically, a limiting groove is further formed, the limiting groove comprises a first guiding groove 8 formed in the connecting rod 5, a second guiding groove 9 is formed in the waist support 3, and the extending directions of the first guiding groove 8 and the second guiding groove 9 are the same. In the operation process of the waist support adjusting piece 6, the first guide groove 8 and the second guide groove 9 play a limiting role on the waist support adjusting piece, and are used for preventing the phenomenon that the waist support adjusting piece 6 moves beyond the limit after the driving mechanism is driven beyond the limit, so that the waist damage is avoided in the use process. The specific process is as follows, the first connecting rod 24 translates in the first guide groove 8 through the pin shaft, and the second connecting rod 25 translates in the second guide groove 9 through the pin shaft, so that the running track of the first connecting rod 24 and the second connecting rod 25 is limited.
The waist holds in palm regulating part 6 includes the connecting rod elevating system 10 of setting on connecting rod 5, and connecting rod elevating system 10 sets up the head rod 24 and is connected with waist holds in palm driving motor 7's actuating lever, and head rod 24 sets up in first guide way 8 through the round pin axle, and connecting rod elevating system 10 sets up second connecting rod 25 through the round pin axle setting in second guide way 9. The waist support 3 is arranged at one end of the first connecting rod 24 and the second connecting rod 25 far away from the connecting rod 5. The link lifting mechanism 10 is structured to ensure the stability of the operation of the lumbar support 3.
Wherein, the waist support driving motor 7 is a transverse driving motor. The transverse driving motor is used for driving the waist support adjusting piece 6, and reduces the installation space of the waist support stretching mechanism 2.
In addition to the lumbar support stretching mechanism 2, the present embodiment is provided with a head and neck adjusting mechanism 11, the head and neck adjusting mechanism 11 includes six link mechanisms 12 provided at the upper ends of the respective back frames 1, and a headrest driving assembly 13 is provided between the two six link mechanisms 12. The present embodiment is attached to the functional couch inner frame and the head and neck adjusting mechanism 11 is used for the headrest portion of the backrest frame. The two backrest frames 1 are symmetrical, and the headrest driving component 13 drives the head and neck adjusting mechanism 11 to reciprocate to drive the headrest part to rotate so as to adjust the angle of the headrest.
Specifically, the six-bar mechanism 12 includes a support 14 disposed on the corresponding backrest frame 1, the support 14 is hinged with the lower ends of a first rocker 15 and a second rocker 17 at intervals, the upper end of the first rocker 15 is hinged with a first link 16, the upper end of the second rocker 17 is hinged with a second link 18, the middle section of the second rocker 17 is hinged with the middle section of the first link 16, and the headrest support plate 19 is hinged with the upper ends of the first link 16 and the second link 18. The head and neck adjusting mechanism 11 comprises a six-bar mechanism 12, and has the advantages of high bearing capacity, small pressure intensity, convenient lubrication, light abrasion, large transmission power and the like due to the adoption of the structure of connecting the rocker and the connecting bar, so that the head and neck adjusting mechanism 11 is ensured to have the following advantages of high bearing capacity, high abrasion resistance and simple and compact structure.
Specifically, the head and neck adjusting mechanism 11 is further provided with a limiting mechanism, the limiting mechanism comprises a limiting rod 21 arranged on the second rocker 17, and the height of the limiting rod 21 is not lower than the thickness of the first connecting rod 16. The limiting rod 21 arranged on the second rocker 17 limits the first connecting rod 16 and is used for preventing the first connecting rod 16 from moving beyond the limit after the driving mechanism is driven to overrun, so that the phenomenon of neck injury in the using process is avoided.
The headrest driving assembly 13 includes a push rod 22 disposed between the two first links 16, a headrest driving motor 23 disposed on a bracket between the two back frames 1, and a driving rod of the headrest driving motor 23 is fixedly disposed on the push rod 22. The headrest driving motor 23 is a vertical driving motor. The vertical driving motor drives the push rod 22 to move up and down to drive the headrest support plate 19 to work, and the angle of the head and the neck is adjusted.
The working procedure of this embodiment is: (1) The embodiment is arranged on the inner frame of the functional sofa, and the waist support stretching mechanism 2 is used for the waist support part of the backrest frame. The two backrest frames are symmetrical, and the driving assembly drives the waist support to reciprocate, so that the waist support 3 can lift and move in the horizontal direction, and the waist can be adjusted. (2) In addition to the lumbar support extension mechanism 2, the present embodiment is provided with a head and neck adjusting mechanism 11 mounted to the headrest portion. The headrest driving component 13 drives the head and neck adjusting mechanism 11 to reciprocate to drive the headrest part to rotate so as to adjust the angle of the headrest.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (8)
1. The head and waist integrated stretching mechanism suitable for the multifunctional sofa backrest is characterized by comprising two backrest frames (1) which are symmetrically arranged, wherein a waist support stretching mechanism (2) is arranged at the lower end of each backrest frame (1), each waist support stretching mechanism (2) comprises a waist support (3), a waist support driving assembly (4) connected with each waist support (3), each waist support driving assembly (4) comprises a connecting rod (5) fixedly arranged between the two backrest frames (1), each connecting rod (5) is provided with a waist support driving motor (7), and a waist support adjusting piece (6) connected with each waist support driving motor (7); the head and neck adjusting mechanism (11) comprises six-bar mechanisms (12) arranged at the upper ends of the corresponding backrest frames (1), and a headrest driving assembly (13) is arranged between the two six-bar mechanisms (12); six link mechanism (12) including setting up support (14) on corresponding back frame (1), support (14) on the lower extreme of interval articulated first rocker (15) and second rocker (17), first rocker (15) upper end articulated first connecting rod (16), the upper end articulated second connecting rod (18) of second rocker (17), the middle section of second rocker (17) articulated mutually with the middle section of first connecting rod (16), headrest support plate (19) articulated the upper end at first connecting rod (16) and second connecting rod (18).
2. The head-waist integrated stretching mechanism suitable for the multifunctional sofa backrest of claim 1, wherein a limiting groove is further formed, the limiting groove comprises a first guide groove (8) formed in the connecting rod (5), a second guide groove (9) is formed in the waist support (3), and the extending directions of the first guide groove (8) and the second guide groove (9) are the same.
3. The head-waist integrated stretching mechanism suitable for the multifunctional sofa backrest according to claim 2, wherein the waist support adjusting piece (6) comprises a connecting rod lifting mechanism (10) arranged on the connecting rod (5), a first connecting rod (24) arranged on the connecting rod lifting mechanism (10) is connected with a driving rod of the waist support driving motor (7), the first connecting rod (24) is arranged in the first guide groove (8) through a pin shaft, and a second connecting rod (25) arranged on the connecting rod lifting mechanism (10) is arranged in the second guide groove (9) through a pin shaft.
4. The head-waist integrated stretching mechanism suitable for the multifunctional sofa backrest according to claim 3, wherein the waist support (3) is arranged at one end of the first connecting rod (24) and the second connecting rod (25) far away from the connecting rod (5).
5. The head-waist integrated stretching mechanism suitable for the multifunctional sofa backrest according to claim 1, wherein the waist support driving motor (7) is a transverse driving motor.
6. The head and waist integrated stretching mechanism suitable for the multifunctional sofa backrest according to claim 1, wherein the head and neck adjusting mechanism (11) is further provided with a limiting mechanism, the limiting mechanism comprises a limiting rod (21) arranged on the second rocking rod (17), and the height of the limiting rod (21) is not lower than the thickness of the first connecting rod (16).
7. The head and waist integrated stretching mechanism for the multifunctional sofa backrest according to claim 1, wherein the headrest driving assembly (13) comprises a push rod (22) arranged between the two first connecting rods (16), a headrest driving motor (23) arranged on a bracket between the two backrest frames (1), and a driving rod of the headrest driving motor (23) is fixedly arranged on the push rod (22).
8. The head and waist integrated stretching mechanism for a multifunctional sofa backrest according to claim 7, wherein the headrest driving motor (23) is a vertical driving motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221234677.8U CN218889469U (en) | 2022-05-20 | 2022-05-20 | Head and waist integrated stretching mechanism suitable for multifunctional sofa backrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221234677.8U CN218889469U (en) | 2022-05-20 | 2022-05-20 | Head and waist integrated stretching mechanism suitable for multifunctional sofa backrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218889469U true CN218889469U (en) | 2023-04-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221234677.8U Active CN218889469U (en) | 2022-05-20 | 2022-05-20 | Head and waist integrated stretching mechanism suitable for multifunctional sofa backrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218889469U (en) |
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2022
- 2022-05-20 CN CN202221234677.8U patent/CN218889469U/en active Active
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