Knob lifting device and massage chair

Abstract

The utility model discloses a knob lifting device and a massage armchair, the knob lifting device comprises a panel, a knob assembly and a lifting driving mechanism, the knob assembly is arranged in a through hole correspondingly formed in the panel in a liftable mode, and the lifting driving mechanism comprises a motor; the lifting driving mechanism further comprises a swing part, the motor is located on the side edge of the rotary knob assembly and drives the swing part to swing, and the swing part drives the rotary knob assembly to ascend or descend through swing. While the lifting function of the knob assembly is met, the motor does not need to be arranged under the knob assembly, so that the whole structure is more compact, the occupied space is reduced, and the stability of the whole structure is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of massage chairs, in particular to a knob lifting device and a massage chair. Background Art

[0002] Some of the knob assemblies on massage chairs in the prior art have a lifting function. When the knob assembly is needed, the knob assembly rises and extends out of the panel. When the knob assembly is not needed, the knob descends and is retracted into the panel. In this way, when the knob assembly is not needed, the outer surface of the panel can be made smoother and more beautiful, and the user can be prevented from accidentally touching the knob assembly and causing the massage chair to malfunction. In order to realize the lifting function of the knob assembly, a massage chair in the prior art uses a motor in conjunction with a screw to drive the knob assembly to lift and lower. Specifically, the screw is fixed to the output shaft of the motor, and the two are coaxially arranged, and the lifting member fixedly connected to the screw and the knob assembly is threadedly connected. This lifting drive method can certainly realize the lifting of the knob assembly, but it also has the following shortcomings: the motor, screw, lifting member, and knob assembly are located in the lifting direction of the knob assembly, resulting in the entire mechanism occupying a large space in the lifting direction of the knob assembly, and the structure is also unstable. Utility Model Content

[0003] The utility model aims at solving the technical problems existing in the prior art and provides a knob lifting device and a massage chair, which can save occupied space through structural improvement.

[0004] The technical solution adopted by the utility model to solve its technical problems is: a knob lifting device, including a panel, a knob assembly and a lifting drive mechanism, the knob assembly can be lifted and lowered in a through hole corresponding to the panel, the lifting drive mechanism includes a motor; the lifting drive mechanism also includes a swinging member, the motor is located on the side of the knob assembly and drives the swinging member to swing, and the swinging member drives the knob assembly to rise or fall by swinging.

[0005] Furthermore, the swing member includes a swing rod driven to swing by the motor, one end of the swing rod is connected to the output shaft of the motor, and the other end of the swing rod is connected to the knob assembly.

[0006] Furthermore, the other end of the swing rod is provided with a long hole extending along the length direction thereof, and the knob assembly is provided with a support shaft corresponding to the long hole, and the support shaft is adapted to be slidably connected in the long hole.

[0007] Furthermore, the swing member also includes a connecting rod, the other end of the swing rod is hinged to one end of the connecting rod, and the other end of the connecting rod is hinged to the knob assembly.

[0008] Furthermore, a fixing hole is provided at one end of the swing rod, and the output shaft of the motor is passed through the fixing hole, and the two are in a non-rotatable fit.

[0009] Furthermore, a guide seat is fixed on the back side of the panel, and the knob assembly is slidably matched with the guide seat along the lifting direction thereof.

[0010] Furthermore, the guide seat is provided with a plurality of guide holes, and the knob assembly is provided with a guide rod corresponding to each guide hole, and each guide rod is respectively inserted into the corresponding guide hole.

[0011] Furthermore, the knob assembly includes a knob, a knob switch, a knob PCB board and a knob bracket, the knob switch is arranged on the knob PCB board, the knob is connected to the knob switch, the knob PCB board is connected to the knob bracket, the knob bracket is slidably matched with the guide seat, and is driven by the swinging member to achieve rising or falling.

[0012] Furthermore, the motor is mounted on a fixing plate, which is located on the side where the back of the panel is located and is fixed relative to the panel; the motor is a stepping motor with a deceleration function.

[0013] The utility model further provides a massage chair, comprising a control device, wherein the control device comprises the knob lifting device as described in the utility model above.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] 1. Since the lifting drive mechanism of the utility model also includes a swinging part, the motor is located on the side of the knob assembly and drives the swinging part to swing. The swinging part drives the knob assembly to rise or fall by swinging. Therefore, the utility model can meet the lifting function of the knob assembly while eliminating the need for the motor to be arranged directly below the knob assembly, thereby making the overall structure more compact, reducing the occupied space, and improving the stability of the overall structure.

[0016] 2. The swing member is preferably the swing rod, so that the structure of the swing member is simpler and the cost is low.

[0017] 3. The setting of the guide seat can guide the lifting and lowering of the knob assembly, making the lifting and lowering of the knob assembly more stable and reliable.

[0018] 4. The motor should preferably be a stepper motor with a deceleration function so that the knob assembly can be manually pressed in and reset after being raised without being damaged.

[0019] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments; however, the knob lifting device and massage chair of the present invention are not limited to the embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is an exploded schematic diagram of the knob lifting device of the utility model in the first embodiment;

[0021] Figure 2 It is a front view of the knob lifting device of the utility model in the first embodiment;

[0022] Figure 3 It is a three-dimensional structural schematic diagram of the knob lifting device of the utility model in the first embodiment (excluding the panel);

[0023] Figure 4 It is a motion diagram of the knob lifting device of the utility model in the first embodiment;

[0024] Figure 5 It is a partial structural schematic diagram of the knob lifting device of the utility model in the embodiment 1 when the knob assembly is raised;

[0025] Figure 6 It is a partial structural schematic diagram of the knob lifting device of the utility model in the embodiment 1 when the knob assembly is in the descending state;

[0026] Figure 7 It is an exploded schematic diagram of the knob lifting device of the utility model in the second embodiment (excluding the panel);

[0027] Figure 8 It is a three-dimensional structural diagram of the knob lifting device of the utility model in the second embodiment (excluding the panel);

[0028] Fig. 9 It is a motion diagram of the knob lifting device of the utility model in the second embodiment;

[0029] In the figure, 1. panel, 11. through hole, 12. connecting rod, 2. knob assembly, 21. knob, 22. knob switch, 23. knob PCB board, 24. knob bracket, 241. guide rod, 242. support shaft, 3. guide seat, 31. guide hole, 4. motor, 41. output shaft, 5. fixing plate, 51. connecting hole, 6. rocker arm, 61. fixing hole, 62. long hole, 7. connecting rod. DETAILED DESCRIPTION

[0030] In the present invention, the directions or positional relationships indicated by "upper" and "lower" are based on the directions or positional relationships shown in the drawings, which are only for the convenience of describing the present invention, and do not indicate or imply that the device referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present invention. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0031] In addition, in the description of the present invention, unless otherwise clearly stipulated and limited, the terms "installation", "setting", "connection", etc. should be understood in a broad sense. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection. It can be a mechanical connection or an electrical connection. It can be a direct connection or an indirect connection through an intermediate medium. It can be the internal connection of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0032] Embodiment 1

[0033] See also Figure 1-Figure 6 As shown, a knob lifting device of the utility model includes a panel 1, a knob assembly 2 and a lifting drive mechanism. The knob assembly 2 can be lifted and lowered in a corresponding through hole 11 of the panel 1. The lifting drive mechanism includes a motor 4 and a swinging member. The motor 4 is located on the side of the knob assembly 2 and drives the swinging member to swing. The swinging member drives the knob assembly 2 to rise or fall by swinging.

[0034] In this embodiment, the motor 4 is mounted on a fixing plate 5, which is located on the side where the back of the panel 1 is located and is fixed relative to the panel 1. Specifically, the fixing plate 5 is located below the panel 1, and the bottom end of the panel 1 is provided with a plurality of connecting rods 12 extending downward, and the fixing plate 5 is provided with connecting holes 51 corresponding to each connecting rod, and the bottom end of the connecting rod 12 is inserted into the connecting hole 51 and can be further locked with a screw. The motor 4 is preferably a stepping motor with a deceleration function, so that the knob assembly 2 can be manually pressed in and reset after being raised without damage.

[0035] A guide seat 3 is fixed on the back of the panel 1, and the knob assembly 2 is slidably matched with the guide seat 3 along the lifting direction thereof. Specifically, the guide seat 3 is provided with a plurality of guide holes 31, and the knob assembly 2 is provided with guide rods 221 corresponding to each guide hole 31, and each guide rod 221 is respectively penetrated through the corresponding guide hole 31. The knob assembly 2 includes a knob 21, a knob switch 22, a knob PCB board 23 and a knob bracket 24, the knob switch 22 is arranged on the knob PCB board 23, the knob 21 is connected to the knob switch 22, the knob PCB board 23 is connected to the knob bracket 24, the knob bracket 24 is slidably matched with the guide seat 3, and is driven by the swinging member to achieve rising or falling. Therefore, the above-mentioned guide rod is arranged on the knob bracket 24, and the middle part of the guide seat 3 is hollowed out, so that the bottom of the knob bracket 24 can pass through the guide seat 3 downward and cooperate with the swinging member.

[0036] In this embodiment, the swing member includes a swing rod 6 driven by the motor 4 to swing, one end of the swing rod 6 is connected to the output shaft 41 of the motor 4, and the other end of the swing rod 6 is connected to the knob assembly 2. Specifically, a fixing hole 61 is provided at one end of the swing rod 6, and the output shaft 41 of the motor 4 is inserted into the fixing hole 61, and the two are in a non-rotating fit: the output shaft 41 of the motor 4 is a flat shaft, and the fixing hole 61 is a flat hole adapted to the flat shaft, but the non-rotating fit of the two is not limited to this. In other embodiments, the swing member (i.e., the swing rod) is rotatably connected to the fixed plate where the motor is located, and the rotation connection point of the swing rod is located between its two ends, and a cam is connected to the output shaft of the motor, and the cam presses down or releases one end of the swing rod by rotation, and when the cam presses down one end of the swing rod, the other end of the swing rod tilts up and drives the knob assembly to rise, and when the cam releases one end of the swing rod, the knob assembly descends and resets by relying on its own weight and / or a reset member set between it and the panel or manual pressure, and the other end of the swing rod is linked to swing downward.

[0037] In this embodiment, the swing member further includes a connecting rod 7, the other end of the swing rod 6 is hinged to one end of the connecting rod 7, and the other end of the connecting rod 7 is hinged to the knob assembly 2. Since the knob assembly 2 includes the knob 21 and the lifting bracket 22, the other end of the connecting rod 7 is actually hinged to the bottom of the lifting bracket 22. The length of the connecting rod 7 is less than that of the swing rod 6.

[0038] The utility model is a knob lifting device, and its motion diagram is as follows Figure 4 As shown in the figure, the center point of the circular dotted line represents the output shaft 41 of the motor 4, the line segment A between the center point and the circular dotted line represents the swing rod 6, the line segment B connected to the line segment A represents the connecting rod 7, and the vertical line segment C connected to the line segment B represents the knob assembly 2. Therefore, as the output shaft 41 of the motor 4 rotates, it will drive the swing rod 6 to swing upward or downward, and the swing rod 6 will then drive the knob assembly 2 to rise or fall through the connecting rod 7. Specifically, when the swing rod 6 swings upward, the other end of the swing rod 6 pushes the knob assembly 2 upward through the connecting rod 7, so that the knob assembly 2 rises and extends out of the panel 1, as shown in FIG. Figure 5 As shown; when the swing rod 6 swings downward, the other end of the swing rod 6 pulls the knob assembly 2 downward through the connecting rod 7, so that the knob assembly 2 drops and is received in the through hole of the panel 1, as shown Figure 6 shown.

[0039] The utility model provides a knob lifting device, in which the motor 4 is arranged on the side of the knob assembly 2, so that the space between the motor 4 and the knob assembly 2 in the lifting direction does not overlap, thereby greatly reducing the overall height, making the overall structure more compact and reducing the occupied space. In particular, the motor 4 drives the knob assembly 2 to rise or fall through the swing member, so that the entire lifting drive mechanism structure is relatively simple, low in cost, and has better structural stability.

[0040] Embodiment 2

[0041] See also Figure 7-Figure 9 As shown, a knob lifting device of the utility model is different from the above-mentioned embodiment 1 in that: the other end of the swing rod 6 is provided with a long hole 62 extending along its length direction, and the knob assembly 2 is provided with a support shaft 242 corresponding to the long hole 62, and the support shaft 242 is adapted to slide in the long hole 62. The knob assembly 2 also includes a knob 21, a knob switch 22, a knob PCB board 23 and a knob bracket 24, so the support shaft 242 is specifically arranged at the bottom of the knob bracket 24 and is parallel to the output shaft 41 of the motor 4.

[0042] The utility model is a knob lifting device, and its motion diagram is as follows Fig. 9 As shown in the figure, the center point of the circular dotted line represents the output shaft 41 of the motor 4, the line segment A between the center point and the circular dotted line represents the swing rod 6, and the vertical line segment C connecting the line segment A represents the knob assembly 2. As the output shaft 41 of the motor 4 rotates, it will drive the swing rod 6 to swing upward or downward, and the swing rod 6 will then drive the knob assembly 2 to rise or fall through the connecting rod 7. Specifically, when the swing rod 6 swings upward, the other end of the swing rod 6 pushes the knob assembly 2 upward to make the knob assembly 2 rise, and at the same time, the support shaft at the bottom of the knob assembly 2 slides in the long hole 62 in a direction away from one end of the swing rod 6; when the swing rod 6 swings downward, the other end of the swing rod 6 pulls the knob assembly 2 downward to make the knob assembly 2 fall, and at the same time, the support shaft 242 at the bottom of the knob assembly 2 slides in the long hole 62 in a direction close to one end of the swing rod 6.

[0043] A massage chair of the utility model comprises a control device, wherein the control device comprises the knob lifting device as described in any embodiment of the utility model.

[0044] The knob lifting device and massage chair of the utility model, the unrelated parts are the same as the prior art or can be implemented by adopting the prior art.

[0045] The above embodiments are only used to further illustrate a knob lifting device and a massage chair of the present invention, but the present invention is not limited to the embodiments. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention fall within the protection scope of the technical solution of the present invention.

Claims

1. A knob lifting device, comprising a panel, a knob assembly and a lifting drive mechanism, wherein the knob assembly can be lifted and lowered in a corresponding through hole of the panel, and the lifting drive mechanism comprises a motor; characterized in that: The lifting drive mechanism also includes a swinging member. The motor is located on the side of the knob assembly and drives the swinging member to swing. The swinging member drives the knob assembly to rise or fall by swinging.

2. The knob lifting device according to claim 1, characterized in that: The swing member comprises a swing rod driven to swing by the motor, one end of the swing rod is connected to the output shaft of the motor, and the other end of the swing rod is connected to the knob assembly.

3. The knob lifting device according to claim 2, characterized in that: The other end of the swing rod is provided with a long hole extending along the length direction thereof, and the knob assembly is provided with a support shaft corresponding to the long hole, and the support shaft is adapted to be slidably connected in the long hole.

4. The knob lifting device according to claim 2, characterized in that: The swing member also includes a connecting rod, the other end of the swing rod is hinged to one end of the connecting rod, and the other end of the connecting rod is hinged to the knob assembly.

5. The knob lifting device according to claim 2, characterized in that: One end of the swing rod is provided with a fixing hole, and the output shaft of the motor is passed through the fixing hole, and the two are in a non-rotatable fit.

6. The knob lifting device according to claim 1, characterized in that: A guide seat is fixed on the back of the panel, and the knob assembly is slidably matched with the guide seat along the lifting direction thereof.

7. The knob lifting device according to claim 6, characterized in that: The guide seat is provided with a plurality of guide holes, and the knob assembly is provided with guide rods corresponding to the guide holes, and the guide rods are respectively passed through the corresponding guide holes.

8. The knob lifting device according to claim 6 or 7, characterized in that: The knob assembly includes a knob, a knob switch, a knob PCB board and a knob bracket. The knob switch is arranged on the knob PCB board, the knob is connected to the knob switch, the knob PCB board is connected to the knob bracket, the knob bracket is slidably matched with the guide seat, and is driven by the swinging member to rise or fall.

9. The knob lifting device according to claim 1, characterized in that: The motor is installed on a fixing plate, which is located on the side where the back of the panel is located and is fixed relatively to the panel; the motor is a stepping motor with a deceleration function.

10. A massage chair, comprising a control device, characterized in that: The control device comprises a knob lifting device as described in any one of claims 1-9.

Images