CN216961962U - Sofa massage chair frame with piece formula back mechanism - Google Patents
Sofa massage chair frame with piece formula back mechanism Download PDFInfo
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- CN216961962U CN216961962U CN202220191809.7U CN202220191809U CN216961962U CN 216961962 U CN216961962 U CN 216961962U CN 202220191809 U CN202220191809 U CN 202220191809U CN 216961962 U CN216961962 U CN 216961962U
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Abstract
The utility model relates to a sofa massage chair frame with a sheet type backrest mechanism, which comprises a massage chair frame bracket, a backrest and a backrest, wherein the massage chair frame bracket consists of a group of side supporting frames which are arranged side by side; the back support mechanism comprises a sheet-shaped support plate fixedly connected between the upper sides of the group of side support frames; massage core contains massage mechanism, is used for driving massage mechanism carries out reciprocating drive mechanism and be used for driving reciprocating motion's vertical actuating mechanism that massage mechanism carries out vertical movement, massage mechanism reciprocating motion passes through during the slice backup pad under vertical actuating mechanism's the drive, massage mechanism falls to its massage wheel and is located the bottom side of slice backup pad, massage mechanism reciprocating motion leaves during the slice backup pad under vertical actuating mechanism's the drive, massage mechanism rises to its massage wheel and is located the upside of slice backup pad. The sofa can keep the comfort of the sofa and achieve reasonable massage effect.
Description
Technical Field
The utility model relates to a sofa massage chair frame with a sheet type backrest mechanism, which has the comfort of a sofa and has enough massage function.
Background
The sofa is soft furniture with soft cushion, and in order to ensure the support of the sofa back support part, the existing sofa back support part is generally provided with a corresponding back plate, and then the soft cushion is installed on the back plate. Under the block of back board, current sofa can't carry out massage mechanism and install, even there are few parts of sofa to have massage mechanism, it also can only carry out local fixed massage mechanism and set up on the position that the back-up portion does not be equipped with the back board, can't reach reasonable massage effect at all.
Therefore, on the basis of keeping the back support requirement of the sofa and ensuring the comfortable feeling of the sofa, the utility model aims to design the sofa massage chair frame which can effectively carry out the arrangement of the movable massage mechanism, thereby not only keeping the comfort of the sofa, but also achieving reasonable massage effect.
Disclosure of Invention
In view of the technical problems in the prior art, the present invention provides a sofa massage chair frame with a sheet-type backrest mechanism, which can effectively solve the technical problems in the prior art.
The technical scheme of the utility model is as follows:
a sofa massage chair frame with a sheet type backrest mechanism comprises
The massage chair frame bracket consists of a group of side supporting frames which are arranged side by side;
the back support mechanism comprises a sheet-shaped support plate fixedly connected between the upper sides of the group of side support frames;
massage core contains massage mechanism, is used for driving massage mechanism is in carry out reciprocating motion's reciprocal actuating mechanism between a set of collateral branch strut frame and be used for driving massage mechanism is in carry out vertical movement's vertical actuating mechanism between a set of collateral branch strut frame, massage mechanism reciprocating motion passes through during the slice backup pad under vertical actuating mechanism's drive, massage mechanism descends to its massage wheel and is located the bottom side of slice backup pad, massage mechanism reciprocating motion leaves during the slice backup pad, under vertical actuating mechanism's drive, massage mechanism rises to its massage wheel and is located the upside of slice backup pad.
The bottom of collateral branch strut is equipped with corresponding direction drive rack and guide way respectively according to the height, reciprocating drive mechanism contains and removes the casing, massage mechanism device in remove on the casing, the preceding, the rear end of removing the casing are connected with drive shaft and fixed axle respectively, the drive shaft is driven by corresponding reciprocating drive motor, and the both ends of drive shaft rigid coupling respectively have the meshing to be connected to drive gear on the direction drive rack, the both ends of fixed axle are portable the installation respectively in the guide way.
The massage mechanism comprises a swinging shell, one end of the swinging shell is connected to the moving shell in a swinging mode, the swinging shell is not connected to the end of the moving shell in a swinging mode and is connected with a group of corresponding massage arms upwards in a swinging mode, the massage arms are respectively rotatably provided with the massage wheels, and the massage arms are driven by a massage driving mechanism arranged in the swinging shell.
The vertical driving mechanism comprises a downward pressing driving shaft which is fixedly arranged on the swing shell and is not connected with one end of the movable shell, and a group of guide convex edges which are fixedly arranged on side supporting frames on the lower side of the sheet supporting plate, two sides of the guide convex edges are respectively arranged in an upward bending way, one end of the movable shell, which is not connected with the swing shell, is upwards connected with a compressible elastic part for pushing the swing shell to swing upwards, and when the swing shell swings upwards, the massage wheels rise to the upper side of the sheet supporting plate; when the swinging shell of the massage mechanism passes through the sheet supporting plate, the downward pressing driving shaft moves downwards under the driving of the guide convex edge, and the massage mechanism is pressed downwards until the massage wheels of the massage mechanism are positioned at the bottom side of the sheet supporting plate.
The downside on the protruding edge of direction is the crooked setting of arc form, and the upper portion tilt up on the protruding edge of direction is buckled and is equipped with first bending section, the upper portion tilt up of first bending section is buckled and is equipped with the second bending section, the inclination of second bending section is greater than the inclination of first bending section.
The both ends of pushing down the drive shaft are rotatable respectively and are installed corresponding gyro wheel, the gyro wheel is rotatable butt respectively to the downside on corresponding protruding edge of direction, compressible elastic component adopts coil spring.
Massage actuating mechanism contain rotate install in massage arm installation axle on the swing casing, the both sides of massage arm installation axle are eccentric state respectively and install corresponding first massage drive wheel, the massage arm rotates respectively to install on the first massage drive wheel, the massage arm installation axle is driven by corresponding first massage driving motor.
It is equipped with corresponding massage drive groove to be the slope form on the first massage drive wheel, the massage arm with be equipped with the protruding edge of corresponding joint on the position that massage drive groove corresponds, the massage arm is installed behind the first massage drive wheel, the protruding edge of joint portable joint in the massage drive inslot.
The massage arm is characterized in that a corresponding massage arm driving shaft is rotatably mounted on the swinging shell on the front side of the massage arm mounting shaft, corresponding second massage driving wheels are respectively mounted on two sides of the massage arm driving shaft in an eccentric state, corresponding traction plates are respectively rotatably mounted on the second massage driving wheels and are respectively connected to the bottom sides of corresponding massage arms through corresponding connecting rods, and the massage arm driving shaft is driven by a corresponding second massage driving motor.
One end of the swing shell is connected to the movable shell in a swing mode through a movement central shaft.
The utility model has the advantages that:
1) when the massage mechanism reciprocates and passes through the sheet-shaped supporting plate, the massage mechanism is driven by the vertical driving mechanism to descend until the massage wheels of the massage mechanism are positioned at the bottom side of the sheet-shaped supporting plate; when the massage mechanism moves back and forth and leaves the sheet-shaped supporting plate, the massage mechanism is driven by the vertical driving mechanism to ascend until the massage wheels of the massage mechanism are positioned on the upper side of the sheet-shaped supporting plate.
Therefore, the massage mechanism can effectively move in a reciprocating manner between the group of side support frames under the driving of the reciprocating driving mechanism, and the vertical height of the massage mechanism can be effectively controlled through the intervention of the vertical driving mechanism, so that the massage mechanism is ensured not to interfere with the sheet-shaped support plate when the massage mechanism moves in a reciprocating manner through the sheet-shaped support plate, and the massage mechanism can massage all areas except the sheet-shaped support plate. To realize that: not only can keep the comfort of the sofa, but also can achieve reasonable massage effect.
2) The vertical driving mechanism comprises a downward pressing driving shaft which is fixedly arranged at one end of a swinging shell which is not connected with a moving shell, and a group of guide convex edges which are fixedly arranged on side supporting frames at the lower side of a sheet supporting plate, wherein two sides of the guide convex edges are respectively bent upwards, and one end of the moving shell which is not connected with the swinging shell is upwards connected with a compressible elastic piece for pushing the swinging shell to swing upwards. When the swinging shell swings upwards, the massage wheel rises to the upper side of the sheet-shaped supporting plate; when the swinging shell of the massage mechanism passes through the sheet supporting plate, the downward pressing driving shaft is driven by the guide convex edge to move downwards, and the massage mechanism is pressed downwards until the massage wheels of the massage mechanism are positioned at the bottom side of the sheet supporting plate.
Under the supporting action of the compressible elastic part, the massage wheel of the massage mechanism can be effectively ensured to be maintained at the upper side of the sheet-shaped supporting plate, so that the massage mechanism can effectively massage all areas except the sheet-shaped supporting plate; and then, the lower side of the sheet-shaped supporting plate is additionally provided with a guide convex edge, and the lower end of the swinging shell, which is not connected with the moving shell, is adaptively provided with a pressing driving shaft, so that the pressing driving shaft can move downwards under the drive of the guide convex edge when the swinging shell passes through the sheet-shaped supporting plate, the massaging mechanism is pressed downwards until the massaging wheels of the massaging mechanism are positioned at the bottom side of the sheet-shaped supporting plate, and the massaging mechanism is ensured not to generate interference with the sheet-shaped supporting plate when reciprocating.
The whole vertical driving mechanism is very simple in structure and extremely strong in controllability, and the longitudinal driving of the massage mechanism can be realized without additionally arranging a corresponding power mechanism, so that the vertical driving mechanism has the advantages of energy conservation and low consumption.
3) On one hand, the massage fit degree of the neck region is high, and the height position of the massage wheel needs to be kept unchanged, so that the pressing driving shaft is not suitable to be pressed down too early; however, on the other hand, it is necessary to ensure that the massage mechanism does not interfere with the sheet-like support plate when reciprocating through the sheet-like support plate, and therefore, it is required that the push-down drive shaft is not pushed down too late, which causes technical problems in the application of the present invention. In order to solve the technical problem, the lower side of the guide convex edge is arranged in an arc-shaped bending mode, then the upper portion of the guide convex edge is provided with a first bending section in an upward inclined bending mode, the upper portion of the first bending section is provided with a second bending section in an upward inclined bending mode, and the inclination angle of the second bending section is controlled to be larger than that of the second bending section.
Through the arrangement of the second bending section with a larger inclination angle, the pressing driving shaft can be effectively and quickly pressed down, so that the swinging shell can quickly swing down, the reciprocating pressing stroke of the pressing driving shaft is shortened, the sufficient massage effect can be kept, and the massage mechanism can be ensured not to interfere with the sheet-shaped supporting plate; and the first bending section with a smaller inclination angle effectively forms buffer pressing on the quickly pressed down driving shaft so as to prevent the pressing driving shaft from generating overlarge clamping force due to overlarge quick pressing stroke, thereby effectively ensuring the practical effect of the utility model.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the massage movement.
Fig. 3 is a schematic structural view of the guide ledge.
Fig. 4 is a schematic structural view of the reciprocating drive mechanism.
Fig. 5 is a schematic structural view of the massage driving mechanism.
Detailed Description
To facilitate understanding of those skilled in the art, the structure of the present invention will now be described in further detail by way of examples in conjunction with the accompanying drawings:
referring to fig. 1-5, a massage chair frame with a sofa having a plate-type backrest mechanism comprises
The massage chair frame bracket 1 consists of a group of side supporting frames which are arranged side by side;
the back support mechanism 2 comprises a sheet-shaped support plate fixedly connected between the upper sides of the group of side support frames;
the massage mechanism core 3 comprises a massage mechanism 301, a reciprocating driving mechanism 302 for driving the massage mechanism 301 to reciprocate between a group of side support frames, and a vertical driving mechanism 303 for driving the massage mechanism 301 to reciprocate between a group of side support frames, wherein the massage mechanism 301 reciprocates to move through the sheet support plate, under the driving of the vertical driving mechanism 303, the massage mechanism 301 descends to the position of a massage wheel 3011 at the bottom side of the sheet support plate, and when the massage mechanism 301 reciprocates to leave the sheet support plate, under the driving of the vertical driving mechanism 303, the massage mechanism 301 ascends to the position of the massage wheel 3011 at the upper side of the sheet support plate.
Under the drive of the reciprocating drive mechanism 302, the massage mechanism 301 can effectively move in a reciprocating manner between a group of side support frames, and the vertical height of the massage mechanism 301 can be effectively controlled through the intervention of the vertical drive mechanism 303, so that the massage mechanism 301 is ensured not to interfere with the sheet-shaped support plate when moving in a reciprocating manner, and the massage mechanism 301 can massage all areas except the sheet-shaped support plate. To realize that: not only can keep the comfort of the sofa, but also can achieve reasonable massage effect.
The bottom of the side supporting frame is respectively provided with a corresponding guiding driving rack 4 and a corresponding guiding groove 5 according to height, the reciprocating driving mechanism 302 comprises a movable shell 3021, the massage mechanism 301 is arranged on the movable shell 3021, the front end and the rear end of the movable shell 3021 are respectively connected with a driving shaft 3022 and a fixed shaft 3023, the driving shaft 3022 is driven by a corresponding reciprocating driving motor 3024, the two ends of the driving shaft 3022 are respectively fixedly connected with a driving gear 3025 engaged with the guiding driving rack 4, and the two ends of the fixed shaft 3023 are respectively movably installed in the guiding grooves 5.
The driving shaft 3022 to which the driving gear 3025 is fixed and the fixed shaft 3023 are engaged with the guide driving rack 4 and the guide groove 5, so that the movable housing 3021 and the massage mechanism 301 mounted on the movable housing 3021 can be effectively and stably movably mounted. Thereafter, the driving shaft 3022, i.e., the driving gear 3025, is driven to rotate by the reciprocating driving motor 3024, so as to drive the movable housing 3021 and the massage mechanism 301 mounted on the movable housing 3021 to reciprocate between the side brackets.
The massage mechanism 301 includes a swing casing 3012 having one end swingably connected to the movable casing 3021, one end of the swing casing 3012 being swingably connected to the movable casing 3021 through a movement center shaft 8, one end of the swing casing 3012 not connected to the movable casing 3021 being swingably connected upward to a set of corresponding massage arms 3013, the massage arms 3013 being respectively rotatably mounted with the massage wheels 3011, and the massage arms 3013 being driven by a massage driving mechanism 3014 installed in the swing casing 3012.
The vertical driving mechanism 303 includes a downward-pressing driving shaft 3031 fixed to the swing housing 3012 and not connected to one end of the moving housing 3021, and a set of guiding protruding edges 3032 fixed to the side support frames on the lower side of the sheet-shaped support plate, where two sides of the guiding protruding edges 3032 are respectively bent upward, one end of the moving housing 3021, which is not connected to the swing housing 3012, is connected upward to a compressible elastic member 3033 for pushing the swing housing 3012 to swing upward, and when the swing housing 3012 swings upward, the massage wheel 3011 rises to the upper side of the sheet-shaped support plate; when the swing casing 3012 of the massage mechanism 301 passes through the sheet-shaped support plate, the downward-pressing drive shaft 3031 is driven by the guide ledge 3032 to move downward, and the massage mechanism 301 is pressed down until the massage wheel 3011 is positioned at the bottom side of the sheet-shaped support plate.
Under the supporting action of the compressible elastic member 3033, the massage wheel 3011 of the massage mechanism 301 can be effectively ensured to be maintained at the upper side of the sheet-shaped supporting plate, so as to ensure that the massage mechanism can effectively massage all areas except the sheet-shaped supporting plate; then, a guide convex edge 3032 is added at the lower side of the sheet-shaped support plate, and a pressing drive shaft 3031 is adaptively added at the end of the swing shell 3012 which is not connected to the moving shell 3021, so that the pressing drive shaft 3031 can move downwards under the drive of the guide convex edge 3032 every time the swing shell 3012 passes through the sheet-shaped support plate, thereby pressing the massage mechanism 301 downwards until the massage wheel 3011 is positioned at the bottom side of the sheet-shaped support plate, and ensuring that the massage mechanism 301 does not interfere with the sheet-shaped support plate when reciprocating.
The whole vertical driving mechanism 303 is very simple in structure and extremely high in controllability, and the longitudinal driving of the massage mechanism 301 can be realized without additionally arranging a corresponding power mechanism, so that the vertical driving mechanism has the advantages of energy conservation and low consumption.
The lower side of the guide convex edge 3032 is curved in an arc shape, the upper part of the guide convex edge 3032 is provided with a first bending section 30321 in an upward inclined and bent mode, the upper part of the first bending section 30321 is provided with a second bending section 30322 in an upward inclined and bent mode, and the inclination angle of the second bending section 30322 is larger than that of the first bending section 30321. The two ends of the pressing driving shaft 3031 are respectively rotatably provided with a corresponding roller 6, the rollers 6 can be respectively rotatably abutted to the lower side surfaces of the corresponding guide convex edges 3032, and the compressible elastic member 3033 adopts a helical spring.
Through the arrangement of the second bending section 30322 with a larger inclination angle, the pressing driving shaft 3031 can be effectively and quickly pressed down, so that the swinging shell 3012 can quickly swing down, the reciprocating pressing stroke of the pressing driving shaft 3031 is shortened, a sufficient massage effect can be maintained, and the massage mechanism 301 can be ensured not to interfere with the sheet-shaped supporting plate; and then the first bending section 30321 with a smaller inclination angle effectively forms buffering pressing on the quickly pressed down driving shaft 3031, so as to prevent the pressing down driving shaft 3031 from generating excessive clamping force due to an excessive quick pressing stroke, thereby effectively ensuring the practical effect of the utility model.
The massage driving mechanism 3014 includes a massage arm mounting shaft 30141 rotatably mounted on the swing housing 3012, corresponding first massage driving wheels 30142 are respectively mounted on both sides of the massage arm mounting shaft 30141 in an eccentric state, the massage arms 3013 are respectively rotatably mounted on the first massage driving wheels 30142, and the massage arm mounting shaft 30141 is driven by a corresponding first massage driving motor 30143.
It is equipped with corresponding massage drive groove 7 to be the slope form on the first massage drive wheel 30142, massage arm 3013 with be equipped with the protruding edge of corresponding joint on the corresponding position in massage drive groove 7, massage arm 3013 installs behind first massage drive wheel 30142, the protruding edge of joint movable joint in the massage drive groove 7.
Corresponding massage arm driving shafts 30144 are rotatably mounted on the swing casing 3012 at the front side of the massage arm mounting shafts 30141, corresponding second massage driving wheels 30145 are respectively mounted on both sides of the massage arm driving shafts 30144 in an eccentric state, corresponding pulling plates 30146 are respectively rotatably mounted on the second massage driving wheels 30145, the pulling plates 30146 are respectively connected to the bottom sides of the corresponding massage arms 3013 through corresponding connecting rods 30147, and the massage arm driving shafts 30144 are driven by corresponding second massage driving motors 30148.
The massage arms 3013 can be effectively driven to swing in multiple directions by the driving of the first massage driving motor 30143 and the second massage driving motor 30148 of the massage driving mechanism 3014, so as to drive the massage wheels 3011 to generate massage effect on human body. The overall construction and driving manner of the massage drive mechanism 3014 are prior art and will not be described further herein.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The utility model provides a sofa massage chair frame with piece formula back mechanism which characterized in that: comprises that
The massage chair frame bracket (1) consists of a group of side supporting frames which are arranged side by side;
the back support mechanism (2) comprises a sheet-shaped support plate fixedly connected between the upper sides of the group of side support frames;
massage core (3), contain massage mechanism (301), be used for driving massage mechanism (301) are in carry out reciprocating motion's reciprocal actuating mechanism (302) between a set of collateral branch strut and be used for driving massage mechanism (301) are in carry out vertical movement's vertical actuating mechanism (303) between a set of collateral branch strut, massage mechanism (301) reciprocating motion process during the slice backup pad under the drive of vertical actuating mechanism (303), massage mechanism (301) descend to its massage wheel (3011) and are located the bottom side of slice backup pad, massage mechanism (301) reciprocating motion leaves during the slice backup pad under the drive of vertical actuating mechanism (303), massage mechanism (301) rise to its massage wheel (3011) and are located the upside of slice backup pad.
2. The massage chair frame with the piece type backrest mechanism of claim 1, wherein: the bottom of collateral branch strut is equipped with corresponding direction drive rack (4) and guide way (5) respectively according to the height, reciprocal actuating mechanism (302) contain and removes casing (3021), massage mechanism (301) device in on removing casing (3021), the preceding, rear end of removing casing (3021) are connected with drive shaft (3022) and fixed axle (3023) respectively, drive shaft (3022) are driven by corresponding reciprocal driving motor (3024), and the both ends of drive shaft (3022) respectively the rigid coupling have the meshing be connected to drive gear (3025) on direction drive rack (4), the both ends of fixed axle (3023) are respectively portable the installation in guide way (5).
3. The sofa massage chair frame with the sheet type backrest mechanism according to claim 2, wherein: massage mechanism (301) contain one end can swing be connected to swing casing (3012) on removing casing (3021), swing casing (3012) do not connect in the one end of removing casing (3021) can swing upwards to be connected with a set of corresponding massage arm (3013), it installs to rotate respectively on massage arm (3013) massage wheel (3011), massage arm (3013) by install in massage actuating mechanism (3014) in swing casing (3012) drive.
4. The sofa massage chair frame with the sheet type backrest mechanism according to claim 3, wherein: the vertical driving mechanism (303) comprises a downward pressing driving shaft (3031) which is fixedly arranged on the swing shell (3012) and is not connected to one end of the moving shell (3021), and a group of guide convex edges (3032) which are fixedly arranged on side supporting frames on the lower side of the sheet supporting plate, two sides of each guide convex edge (3032) are respectively arranged in an upward bending manner, one end of the moving shell (3021) which is not connected with the swing shell (3012) is upwards connected with a compressible elastic member (3033) for pushing the swing shell (3012) to swing upwards, and when the swing shell (3012) swings upwards, the massage wheel (3011) rises to the upper side of the sheet supporting plate; when the swinging shell (3012) of the massage mechanism (301) passes through the sheet-shaped supporting plate, the downward pressing driving shaft (3031) moves downwards under the driving of the guide convex edge (3032), and the massage mechanism (301) is pressed downwards until the massage wheel (3011) is positioned at the bottom side of the sheet-shaped supporting plate.
5. The sofa massage chair frame with the sheet type backrest mechanism according to claim 4, wherein: the lower side of the guide convex edge (3032) is curved in an arc shape, the upper portion of the guide convex edge (3032) is provided with a first bending section (30321) in an upward inclined and bent mode, the upper portion of the first bending section (30321) is provided with a second bending section (30322) in an upward inclined and bent mode, and the inclination angle of the second bending section (30322) is larger than that of the first bending section (30321).
6. The massage chair frame with the piece type backrest mechanism as claimed in claim 4, wherein: the two ends of the pressing driving shaft (3031) are respectively and rotatably provided with corresponding rollers (6), the rollers (6) can be respectively and rotatably abutted to the lower side surfaces of the corresponding guide convex edges (3032), and the compressible elastic part (3033) adopts a spiral spring.
7. The sofa massage chair frame with the sheet type backrest mechanism according to claim 4, wherein: massage actuating mechanism (3014) contain rotate install in massage arm installation axle (30141) on swing casing (3012), the both sides of massage arm installation axle (30141) are respectively eccentric state and install corresponding first massage drive wheel (30142), massage arm (3013) rotate respectively and install on first massage drive wheel (30142), massage arm installation axle (30141) are driven by corresponding first massage driving motor (30143).
8. The sofa massage chair frame with the sheet type backrest mechanism according to claim 7, wherein: it is equipped with corresponding massage drive groove (7) to be the slope form on first massage drive wheel (30142), massage arm (3013) with be equipped with the protruding edge of corresponding joint on the corresponding position in massage drive groove (7), install massage arm (3013) behind first massage drive wheel (30142), the protruding edge of joint in massage drive groove (7).
9. The sofa massage chair frame with the sheet type backrest mechanism according to claim 8, wherein: corresponding massage arm driving shafts (30144) are rotatably mounted on a swing shell (3012) on the front side of the massage arm mounting shaft (30141), corresponding second massage driving wheels (30145) are respectively mounted on two sides of each massage arm driving shaft (30144) in an eccentric state, corresponding traction plates (30146) are respectively rotatably mounted on the second massage driving wheels (30145), the traction plates (30146) are respectively connected to the bottom sides of corresponding massage arms (3013) through corresponding connecting rods (30147), and the massage arm driving shafts (30144) are driven by corresponding second massage driving motors (30148).
10. The sofa massage chair frame with the sheet type backrest mechanism according to claim 3, wherein: one end of the swing shell (3012) is swingably connected to the movable shell (3021) through a movement center shaft (8).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220191809.7U CN216961962U (en) | 2022-01-24 | 2022-01-24 | Sofa massage chair frame with piece formula back mechanism |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220191809.7U CN216961962U (en) | 2022-01-24 | 2022-01-24 | Sofa massage chair frame with piece formula back mechanism |
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| CN216961962U true CN216961962U (en) | 2022-07-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023138003A1 (en) * | 2022-01-24 | 2023-07-27 | 顾乾坤 | Sofa-type massage chair frame with core automatically avoiding human body |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023138003A1 (en) * | 2022-01-24 | 2023-07-27 | 顾乾坤 | Sofa-type massage chair frame with core automatically avoiding human body |
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