CN219109887U

CN219109887U - Limb stretcher and massage armchair

Info

Publication number: CN219109887U
Application number: CN202222935910.1U
Authority: CN
Inventors: 康正; 王金臣; 袁建明; 陈显杰; 张金成; 陈志龙
Original assignee: Shandong Kangtai Industry Co Ltd
Current assignee: Shandong Kangtai Industry Co Ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-06-02
Anticipated expiration: 2032-11-04

Abstract

The utility model discloses a limb stretcher, comprising: the traction piece is provided with two winding parts which are respectively arranged at the left side and the right side, and a limb placing part which is arranged between the two winding parts, wherein the two winding parts drive the limb placing part to move along a set direction when the winding part is changed from an extended state to a winding state, and allow the limb placing part to move along a direction opposite to the set direction when the winding state is changed to the extended state; and the winding adjusting device is used for controlling the two winding parts to change between an extending state and a winding state. According to the limb stretcher, the winding part of the traction piece is controlled to change between the extending state and the winding state by the winding adjusting device, when the winding part is changed from the extending state to the winding state, the limb placing part of the traction piece is driven to move along the set direction, the limb of a user is stretched, and the whole structure is simple and the cost is lower. The application further provides a massage chair.

Description

Limb stretcher and massage armchair

Technical Field

The utility model relates to the technology of massage equipment, in particular to a limb stretcher and a massage chair.

Background

Patent application CN107334572a discloses a neck traction device, which adopts the scheme that the head is fixed through a forehead fixing belt and the cervical vertebra is rotationally stretched by matching with a rotary platform. The scheme has a complex structure and high cost. In view of this, the present application is specifically proposed.

Disclosure of Invention

The utility model aims to solve the technical problem of complex structure and high cost of a scheme in the prior art by providing a limb stretcher.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a limb stretcher, comprising: the traction piece is provided with two winding parts which are respectively arranged at the left side and the right side, and a limb placing part which is arranged between the two winding parts, wherein the two winding parts drive the limb placing part to move along a set direction when the winding part is changed from an extended state to a winding state, and allow the limb placing part to move along a direction opposite to the set direction when the winding state is changed to the extended state; and the winding adjusting device is used for controlling the two winding parts to change between an extending state and a winding state.

Preferably, the winding adjusting device is mounted on the frame and drives the two winding parts to roll around the same axis so as to change between an extended state and a winding state.

Preferably, the winding adjusting device includes: a rotating shaft; the two rotating shaft sleeves are sleeved on the rotating shaft and driven by the rotating shaft to rotate, the two rotating shaft sleeves correspond to the two winding parts respectively, and each winding part is connected to the corresponding rotating shaft sleeve so as to be converted between an extending state and a winding state in a rotating mode of the rotating shaft sleeve.

Preferably, the rotating shaft drives the rotating shaft sleeve to rotate through a spiral spring, the spiral spring is sleeved on the rotating shaft, and the ends of the spiral spring, which are axially distributed on two sides, are respectively connected to the rotating shaft and the rotating shaft sleeve.

Preferably, the rotating shaft sleeve is axially arranged between the clamping bolt and the spiral spring, and the clamping bolt is clamped on the rotating shaft.

Preferably, the winding adjusting device comprises a motor for driving the rotating shaft to rotate.

Preferably, the winding adjusting device comprises a rotation speed detector for detecting the rotation speed of the rotating shaft.

Preferably, the limb stretcher is provided with a protective cover, a preset gap is arranged between the protective cover and the rotating shaft sleeve, and the preset gap allows the winding part to be wound on the rotating shaft sleeve in a preset length.

Preferably, the limb stretcher is a neck stretcher, and the limb rest part is used for resting the chin or forehead of the user.

The application provides a massage armchair, install the aforesaid on the back of massage armchair's the limbs stretcher.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects: according to the limb stretcher, the winding part of the traction piece is controlled to change between the extending state and the winding state by the winding adjusting device, when the winding part is changed from the extending state to the winding state, the limb placing part of the traction piece is driven to move along the set direction, the limb of a user is stretched, and the whole structure is simple and the cost is lower.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following brief description of the drawings of the embodiments will make it apparent that the drawings in the following description relate only to some embodiments of the present utility model and are not limiting of the present utility model.

FIGS. 1 and 2 are schematic views of a limb stretcher according to an embodiment at different angles;

FIG. 3 depicts a first exploded view of a limb stretcher of an embodiment;

FIG. 4 shows a second exploded view of a limb stretcher of an embodiment;

FIG. 5 is a schematic view of a traction member according to an embodiment;

fig. 6 shows a schematic view of a traction member according to another embodiment.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the present utility model will be described in further detail with reference to the accompanying drawings. The components of the embodiments of the present utility model 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 made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

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

Referring to fig. 1 to 5, in an embodiment, the limb stretcher of the present application includes a frame 1, a traction member 2 and a winding adjusting device 3, the winding adjusting device 3 is mounted on the frame 1, and the winding adjusting device 3 controls the winding movement of the left and right sides of the traction member 2, so as to stretch the limb of a user, and for convenience of explanation, the X direction is the right-left direction in the drawing, and the Y direction is the front-back direction. As will be further described below.

The frame 1 includes a main frame body 1A, a motor mounting portion 1B, a protective cover 1C, a shaft seat 1D, and a detector mounting portion 1E.

In this embodiment, the traction member 2 is a traction belt, and is flat, and has a winding portion 2A and a limb rest portion 2B, wherein the winding portions 2A are disposed on the left and right sides (the X direction is from right to left in the drawing), the limb rest portion 2B is disposed between the winding portions 2A (it should be understood that "the limb rest portion 2B is disposed between the winding portions 2A" includes both the case where the limb rest portion 2B is connected to and not connected from the winding portion 2A), and the limb rest portion 2B is used for resting the limb of the user, such as the neck, the forehead, the leg, etc. Referring to fig. 1, when the two winding portions 2A are changed from the extended state to the winding state, the limb rest portion 2B is driven to move in the set direction Y, whereas when the two winding portions 2A are changed from the winding state to the extended state, the limb rest portion 2B is allowed to move in a direction opposite to the set direction Y. The set direction Y corresponds to a specific application of the limb stretcher, for example, when the limb stretcher is a neck stretcher, the limb resting portion 2B is used to rest the user's chin or the user's forehead, and the set direction Y is a direction inclined upward from below. Referring to fig. 5, the winding portion 2A is capable of winding at a predetermined length (in fig. 5, a portion of the winding portion 2A extending outward from the dotted line is a portion capable of winding).

A winding adjustment device 3 is mounted on the frame 1 for controlling the change of the two winding portions 2A between an extended condition and a wound condition. In this embodiment, the winding adjusting device 3 drives the two winding parts 2A to roll around the same axis and change between the extended state and the winding state, and includes a motor 3A, a rotating shaft 3B, two rotating shaft sleeves 3C, two coil springs 3D, two clamping bolts 3E, two fastening components 3F and a rotational speed detector 3G.

The motor 3A is mounted on the motor mounting portion 1B, the rotating shaft 3B is rotatably supported on the two shaft bases 1D, the motor 3A drives the rotating shaft 3B to rotate, a transmission assembly (not shown) is arranged between the motor 3A and the rotating shaft 3B, and the transmission assembly is, for example, a reduction gear assembly, is a common transmission structure and is not described in detail. The two rotating shaft sleeves 3C are sleeved on the rotating shaft 3B and driven by the rotating shaft 3B to rotate, the two rotating shaft sleeves 3C correspond to the two winding parts 2A respectively, and each winding part 2A is connected to the corresponding rotating shaft sleeve 3C to be converted between an extending state and a winding state in a rotating mode of the rotating shaft sleeve 3C. In this embodiment, the rotating shaft 3B drives the rotating shaft sleeve 3C to rotate through the coil spring 3D, the coil spring 3D is sleeved on the rotating shaft 3B, the ends of the coil spring 3D distributed on two sides in the axial direction are respectively connected to the rotating shaft 3B and the rotating shaft sleeve 3C, specifically, the first end of the coil spring 3D is connected to the rotating shaft 3B through the fastening component 3F, the fastening component 3F includes a screw member and a nut member, the screw member passes through the rotating shaft 3B, the first end of the coil spring 3D is wound on the screw member, the nut member is sleeved on the portion of the screw member, which penetrates out from the rotating shaft 3B, the second end of the coil spring 3D is connected to the first side of the rotating shaft sleeve 3C, the coil spring 3D has a deceleration effect, and the speed of the winding portion 2A in the winding state and the stretching state is slowed down. An annular groove is formed in the rotating shaft 3B, the clamping bolt 3E is clamped on the rotating shaft 3B through matching with the annular groove, and the rotating shaft sleeve 3C is axially arranged between the clamping bolt 3E and the spiral spring 3D. The rotation speed detector 3G is mounted on the detector mounting portion 1E and is configured to detect the rotation speed of the rotation shaft 3B, where the rotation speed detector 3G in this embodiment is an optocoupler sensor, and includes a code disc M1 and an optocoupler M2, where the code disc M1 is sleeved and fixed on the rotation shaft 3B, and the optocoupler M2 is mounted on the detector mounting portion 1E.

The protection cover 1C is used for protecting the limbs of the user and preventing the limbs or foreign matters of the user from being involved between the rotating shaft sleeve 3C and the machine body 1. In addition, a preset gap is formed between the protection cover 1C and the rotating shaft sleeve 3C, the preset gap allows the winding part 2A to be wound on the rotating shaft sleeve 3C by a preset length, when the winding part 2A is wound on the rotating shaft sleeve 3C by the preset length, the protection cover 1C prevents the winding part 2A from being continuously wound on the rotating shaft sleeve 3C, and the protection cover 1C can prevent the length of the traction piece 2 wound on the rotating shaft sleeve 3C from exceeding the preset length, thereby causing limb damage of a user.

It should be appreciated that in order to avoid direct contact between the user's limb and the spindle 3B and the coil spring 3D, a housing may be provided on the housing 1 separating the user's limb from the spindle 3B and the coil spring 3D.

The foregoing is a first embodiment of the present application, and the applicable embodiments of the present application are not limited thereto. In another embodiment, and in connection with fig. 6, the limb rest portion 2B of the traction member 2 can be designed to fit around the user's chin and be able to cover the user's chin. The specific structure of the traction member 2 is not limited to the embodiment of fig. 5 and 6, and may be adjusted according to the limb being pulled, for example, the limb rest 2B may be adjusted to two parts corresponding to the feet of the user, and the left and right parts of the limb rest 2B may be designed to be detachably connected. It should be understood that the specific structure of the winding adjusting device 3 is not limited to the foregoing embodiment, and the winding adjusting device 3 may be adjusted to include no motor, and the winding adjusting device 3 may be configured to control the two winding portions 2A to roll independently by controlling the rotation of the rotating shaft 3B manually, for example, the two rotating shafts are driven to rotate simultaneously by a motor, and the two rotating shafts respectively drive the two winding portions 2A to roll.

It should be further understood that the specific structure of the frame 1 is not limited to the foregoing embodiment, and that the frame 1 may be a back frame of a massage chair when the limb stretcher is applied to the massage chair.

The application provides a massage armchair in addition, installs the limbs stretcher on the back of massage armchair, and limbs stretcher is used for stretching user's neck.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the scope of the present utility model should be included in the present utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims

1. A limb stretcher, comprising:

a traction member (2) having two winding parts (2A) respectively arranged at the left and right sides and a limb rest part (2B) arranged between the two winding parts (2A), wherein the two winding parts (2A) drive the limb rest part (2B) to move along a set direction (Y) when the winding state is changed from an extended state to a winding state, and allow the limb rest part (2B) to move along a direction opposite to the set direction (Y) when the winding state is changed from the winding state to the extended state;

and a winding adjustment device (3) for controlling the winding portions (2A) to change between an extended state and a winding state.

2. A limb stretcher according to claim 1 characterized in that the winding adjustment means (3) is mounted on the frame (1) and drives the winding portions (2A) to roll about the same axis to change between the extended and wound states.

3. The limb stretcher according to claim 1, characterized in that the winding adjusting device (3) comprises:

a rotating shaft (3B);

the two rotating shaft sleeves (3C) are sleeved on the rotating shaft (3B) and driven by the rotating shaft (3B) to rotate, the two rotating shaft sleeves (3C) correspond to the two winding parts (2A) respectively, and each winding part (2A) is connected to the corresponding rotating shaft sleeve (3C) to be converted between an extending state and a winding state in a rotating mode through the rotating shaft sleeve (3C).

4. A limb stretcher according to claim 3 characterized in that the rotating shaft sleeve (3C) is rotatably sleeved on the rotating shaft (3B), the rotating shaft (3B) drives the rotating shaft sleeve (3C) to rotate through a coil spring (3D), the coil spring (3D) is sleeved on the rotating shaft (3B), and the ends axially distributed on two sides of the coil spring are respectively connected to the rotating shaft (3B) and the rotating shaft sleeve (3C).

5. The limb stretcher according to claim 4, characterized in that the rotating shaft sleeve (3C) is axially arranged between a clamping bolt (3E) and the spiral spring (3D), and the clamping bolt (3E) is clamped on the rotating shaft (3B).

6. A limb stretcher according to claim 3 characterized in that the winding adjusting means (3) comprises a motor (3A) driving the rotation shaft (3B) in rotation.

7. A limb stretcher according to claim 3 characterized in that the winding adjusting means (3) comprises a rotational speed detector (3G) detecting the rotational speed of the rotational shaft (3B).

8. A limb stretcher according to claim 3 characterized in that the limb stretcher has a protective cover (1C), the protective cover (1C) and the spindle sleeve (3C) having a preset gap therebetween, the preset gap allowing the winding portion (2A) to be wound on the spindle sleeve (3C) by a preset length.

9. The limb stretcher according to any one of claims 1 to 8 wherein the limb stretcher is a neck stretcher and the limb rest (2B) is for resting the user's chin or user's forehead.

10. A massage chair, characterized in that the backrest of the massage chair is provided with the limb stretcher according to claim 9.