CN216220814U

CN216220814U - Anti-pinch massage chair

Info

Publication number: CN216220814U
Application number: CN202122183446.0U
Authority: CN
Inventors: 康正; 陈志龙
Original assignee: Shandong Kangtai Industry Co Ltd
Current assignee: Shandong Kangtai Industry Co Ltd
Priority date: 2021-09-10
Filing date: 2021-09-10
Publication date: 2022-04-08
Anticipated expiration: 2031-09-10

Abstract

The utility model relates to an anti-pinch massage chair, which comprises a chair frame, a lower limb massage device pivoted on the front side of the chair frame to swing in a set area, and an electric control device for controlling the swing of a lower limb driving device; the lower limb massage device is provided with an anti-pinch detection device which generates a sensing signal when foreign matters enter a swing area, and the electric control device controls the lower limb driving device to stop moving according to the sensing signal. Compare in prior art, the massage armchair of preventing pressing from both sides of this application has great preventing pressing from both sides and hinders detection area.

Description

Anti-pinch massage chair

Technical Field

The utility model relates to the technology of massagers, in particular to a massage chair capable of preventing pinching injury.

Background

CN202020252693.4 discloses an anti-pinch sensing device for a massage chair, which is provided with a light emitting device and a light receiving device on a bottom frame to detect obstacles. In the aforementioned patent application, when the lower leg portion is far from the seat frame and the hand of the user is not in the region between the light emitting device and the light receiving device, the hand of the user cannot be detected by the anti-pinch sensing device, so that the lower leg portion starts to fall naturally and may pinch the hand of the user. The less problem in detection area exists to prevent pressing from both sides by aforesaid patent application. In view of this, the present application is specifically made.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem of how to solve the problem of small anti-pinch detection area in the prior art.

In order to achieve the purpose, the technical scheme adopted by the utility model is as follows: an anti-pinch massage chair comprises a chair frame, a lower limb massage device pivoted on the front side of the chair frame to swing in a set area, and an electric control device for controlling the swing of a lower limb driving device; the lower limb massage device is provided with an anti-pinch detection device which generates a sensing signal when foreign matters enter a swing area, and the electric control device controls the lower limb driving device to stop moving according to the sensing signal.

Preferably, the anti-pinch detection device comprises a strip-shaped induction part and an induction circuit board, the strip-shaped induction part extends along the left and right directions and is triggered by foreign matters to generate the induction signals, and the induction circuit board is electrically connected with the strip-shaped induction part and the electric control device.

Preferably, the strip-shaped sensing element is a metal sensing strip, and the sensing signal is a capacitance signal.

Preferably, the chair frame comprises a seat frame and a back frame which are integrally arranged, and the lower limb massage device is pivoted on the front side of the seat frame.

Preferably, the chair frame can be movably arranged on the underframe in a front-back manner, and a chair frame driving device for driving the chair frame to move is arranged between the chair frame and the underframe; and the electric control device controls the chair frame driving device to stop working according to the induction signal.

Preferably, a lower limb driving device for driving the lower limb massaging device to move is arranged between the chair frame and the lower limb massaging device, and the electric control device controls the lower limb driving device to stop working so as to stop moving the lower limb driving device.

Preferably, the lower limb massage device comprises a fixing frame pivoted to the chair frame, a leg massage mechanism mounted above the front side of the fixing frame, a foot massage mechanism mounted below the front side of the fixing frame, and a rear housing mounted at the rear side of the fixing frame, and the anti-pinch detection device is mounted on the rear housing.

Preferably, the foot massage mechanism is arranged to move up and down relative to the fixed frame, and a telescopic driving mechanism for driving the foot massage mechanism to move up and down is arranged between the foot massage mechanism and the fixed frame.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects:

1. according to the anti-pinch massage chair, the anti-pinch detection device is mounted on the lower limb massage device and moves along with the lower limb massage device, when the hand of a user stretches into the swing area, the lower limb massage device can stop working in time, and compared with the prior art that the anti-pinch detection area is limited between the light emitting device and the light receiving device, the anti-pinch detection area is larger;

2. the strip-shaped induction part extends along the left-right direction, has a larger coverage area in the left-right direction, and can realize all-round protection.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings of the embodiments will be briefly described below, and it is apparent that the drawings in the following description only relate to some embodiments of the present invention and are not limiting on the present invention.

FIGS. 1 and 2 are schematic views respectively illustrating an embodiment of an anti-pinch massage chair with different viewing angles;

FIG. 3 is an exploded view of an embodiment of a massage chair for preventing pinching;

FIG. 4 is a diagram illustrating a state change of the massage chair for preventing pinching;

FIGS. 5 and 6 are exploded views of a lower limb massage apparatus according to another embodiment from different perspectives;

FIG. 7 is an electrical diagram of the devices of the massage chair for preventing pinching.

Reference numerals:

the lower frame 1, the seat frame 2, the back frame 3, the lower limb massage device 4, the lower limb driving device 5, the chair frame driving device 6, the strip-shaped induction piece 7 and the induction circuit board 8.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Some embodiments of the utility model are described in detail below with reference to the accompanying drawings. Features in the embodiments described below may be combined with each other without conflict.

Referring to fig. 1 to 7, in an embodiment, the anti-pinch massage chair of the present application includes a bottom frame 1, a seat frame 2, a back frame 3, a lower limb massage device 4, a lower limb driving device 5, a chair frame driving device 6, a strip-shaped sensor 7, and a sensing circuit board 8. Wherein, seat frame 2 and back of the body frame 3 integrative sets up the chair frame that constitutes the bearing user, and strip response piece 7 cooperatees with response circuit board 8 and constitutes and prevent pressing from both sides detection device.

The bottom frame 1 is provided with arc-shaped guide rails at the left and right sides, and the left and right sides of the chair frame consisting of the seat frame 2 and the back frame 3 are correspondingly provided with rollers which are arranged in the arc-shaped guide rails in a sliding way, so that the chair frame can be movably arranged on the bottom frame 1 in a front-back way. The chair frame driving device 6 is arranged between the chair frame and the bottom frame to drive the chair frame to move.

The lower limb massage device 4 is pivotally connected to the front side of the seat frame 2 of the chair frame so as to be swingable within the setting region M. The lower limb driving device 5 is provided between the chair frame and the lower limb massaging device 4 to drive the lower limb massaging device 4 to move. The lower limb massage device 4 comprises a fixing frame 4A, a leg massage mechanism 4B, a foot massage mechanism 4C, a telescopic driving mechanism 4D and a rear shell 4E, wherein the fixing frame 4A is pivoted at the front side of the seat frame 2 of the chair frame, the leg massage mechanism 4B is installed above the front side of the fixing frame 4A to massage the leg, the foot massage mechanism 4C is installed below the front side of the fixing frame 4A and can move up and down relative to the fixing frame 4A to massage the foot, the telescopic driving mechanism 4D is arranged between the fixing frame 4A and the foot massage mechanism 4C to drive the foot massage mechanism 4C to move up and down, and the rear shell 4E is installed at the rear side of the fixing frame 4A.

The anti-pinch detection device is formed by matching a strip-shaped sensing piece 7 and a sensing circuit board 8 and is arranged on one side, close to the fixing frame 4A, of the rear shell 4E, the anti-pinch detection device can generate sensing signals when foreign matters (such as hands of a user) enter the swing area M, and the electric control device for controlling the swing of the lower limb massage device 4 can control the lower limb massage device 4 to stop moving according to the sensing signals. The strip-shaped sensing piece 7 extends along the left-right direction and is triggered by foreign matters to generate a sensing signal, and the sensing circuit board 8 is electrically connected with the strip-shaped sensing piece 7 and the electric control device. The strip-shaped sensing part 7 is a metal sensing strip, the strip-shaped sensing part is a long and thin strip-shaped sensing part in the embodiment, the strip-shaped sensing part 7 is provided with two strip-shaped sensing parts 7 which are arranged at intervals up and down, the sensing signal is a capacitance signal, for example, when the hand of a user is carelessly clamped in the swing area M, the strip-shaped sensing part 7 generates a sensing capacitance signal, the electric control device receives the sensing capacitance signal transmitted by the sensing circuit board and controls the lower limb driving device 5 and the chair frame driving device 6 to stop working, so that the chair frame and the lower limb massaging device 4 stop moving, and the hand of the user is prevented from being clamped.

The above is the first embodiment of the present application, and in another embodiment, the bar-shaped sensing element 7 may be a flat bar. In another embodiment, the bar sensor 7 may have a wave shape. In another embodiment, the sensing circuit board 8 may be integrated within the electronic control device. In another embodiment, the inductive signal may be an electromagnetic signal. The technical idea of the present application can also be applied to a scheme in which the chair frame and the lower limb massage device are linked, for example, the technical scheme disclosed in patent application cn201720106143.x, and on the basis of patent application cn201720106143.x, the lower limb massage device can be provided with the anti-pinch detection device, and the electric control device for controlling the linkage of the chair frame and the lower limb massage device simultaneously controls the chair frame and the lower limb massage device to stop moving according to the sensing signal. The technical idea of the present application can also be applied to the scheme that the chair frame is not moved and the lower limb massage device is moved, and is not described again. It should be noted that the strip-shaped sensing element extending in the left-right direction includes the situation of gradually inclining upwards or downwards from left to right.

The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. An anti-pinch massage chair comprises a chair frame, a lower limb massage device (4) pivoted on the front side of the chair frame to swing in a set area (M), and an electric control device for controlling the swing of a lower limb driving device (4); the lower limb massage device is characterized in that an anti-pinch detection device which generates a sensing signal when foreign matters enter a swing area (M) is arranged on the lower limb massage device (4), and the electric control device controls the lower limb driving device (4) to stop moving according to the sensing signal.

2. The anti-pinch massage armchair according to claim 1, wherein the anti-pinch detection device comprises a strip-shaped induction part (7) and an induction circuit board (8), the strip-shaped induction part (7) extends along the left-right direction and is triggered by foreign matters to generate the induction signal, and the induction circuit board (8) is electrically connected with the strip-shaped induction part (7) and the electric control device.

3. Anti-pinch massage chair according to claim 2, characterized in that the strip-shaped induction elements (7) are metal induction strips, the induction signals being capacitive signals.

4. Anti-pinch massage chair according to claim 1, characterized in that the chair frame comprises a seat frame (2) and a back frame (3) which are integrally arranged, the lower limb massage device (4) being pivoted to the front side of the seat frame (2).

5. The anti-pinch massage chair according to claim 4, wherein the chair frame is movably arranged on the bottom frame (1) back and forth, and a chair frame driving device (6) for driving the chair frame to move is arranged between the chair frame and the bottom frame (1); and the electric control device controls the chair frame driving device (6) to stop working according to the induction signal.

6. The anti-pinch massage chair according to claim 4, wherein a lower limb driving device (5) for driving the lower limb massage device (4) to move is arranged between the chair frame and the lower limb massage device (4), and the electric control device controls the lower limb driving device (5) to stop working so as to stop moving the lower limb driving device (4).

7. The anti-pinch massage armchair according to claim 1, wherein the lower limb massage device (4) comprises a fixing frame (4A) pivoted to the chair frame, a leg massage mechanism (4B) installed above the front side of the fixing frame (4A), a foot massage mechanism (4C) installed below the front side of the fixing frame (4A), and a rear shell (4E) installed at the rear side of the fixing frame (4A), and the anti-pinch detection device is installed on the rear shell (4E).

8. The anti-pinch massage chair according to claim 7, wherein the foot massage mechanism (4C) is arranged to be movable up and down with respect to the fixed frame (4A), and a telescopic driving mechanism (4D) for driving the foot massage mechanism (4C) to move up and down is provided therebetween.

9. Anti-pinch massage armchair according to claim 2, characterised in that the number of said strip-shaped induction elements (7) is two, spaced up and down.