CN113616020A

CN113616020A - Flexible leg telescoping mechanism

Info

Publication number: CN113616020A
Application number: CN202110910223.1A
Authority: CN
Inventors: 陆杰天
Original assignee: Zhejiang Mosha Health Technology Co ltd
Current assignee: Fujian glory Health Technology Co.,Ltd.
Priority date: 2021-08-09
Filing date: 2021-08-09
Publication date: 2021-11-09
Also published as: WO2023016068A1

Abstract

The invention discloses a flexible leg stretching mechanism which comprises an upper leg pipe assembly and a lower leg pipe assembly, wherein the distance between the upper leg pipe assembly and the lower leg pipe assembly is adjusted through a flexible adjusting mechanism, the flexible adjusting mechanism comprises a flexible air bag group arranged between the upper leg pipe assembly and the lower leg pipe assembly, a spring group connected with the upper leg pipe assembly and the lower leg pipe assembly and a limiting slide block. The flexible air bag group solves the problems of time and labor waste caused by the adoption of double-pedal force for adjustment in the prior art, and simultaneously solves the problems of complex structure and high cost caused by the adoption of an electric push rod for adjustment.

Description

Flexible leg telescoping mechanism

Technical Field

The invention belongs to the technical field of massage chairs, and particularly relates to a flexible leg stretching mechanism.

Background

The principle of the massage chair is that the massage is carried out by utilizing the mechanical rolling force action and the mechanical force extrusion, the manual massage can dredge the channels and collaterals, lead qi and blood to circulate, keep the yin-yang balance of the organism, so that the user can feel that the muscles are relaxed and the joints are flexible after the massage, the user can be excited, the fatigue is eliminated, and the massage chair has important function for ensuring the health of the user, therefore, the massage chair is used more and more, the leg stretching structure is an indispensable mechanism in the massage chair and is used for adjusting the distance between the foot plate and the leg frame, the leg frame of the existing massage chair is provided with the stretching mechanism for adapting to the height of the human body and the length of the leg, but the change of the existing telescopic mechanism needs to adjust the extension and contraction between the leg frame and the foot frame through the auxiliary of double pedaling force or an electric push rod, the arrangement has the problem that the use is labor-consuming or the internal structure of the massage chair frame is complex, so that the cost of the product is increased.

Disclosure of Invention

Aiming at the problems in the prior art, the invention aims to provide a flexible leg stretching mechanism with simple structure, convenient and quick adjustment and low cost,

the invention is realized by the following technical scheme:

the flexible leg stretching mechanism comprises an upper leg pipe assembly and a lower leg pipe assembly and is characterized in that the distance between the upper leg pipe assembly and the lower leg pipe assembly is adjusted through a flexible adjusting mechanism, the flexible adjusting mechanism comprises a flexible air bag group arranged between the upper leg pipe assembly and the lower leg pipe assembly, a spring group connected with the upper leg pipe assembly and the lower leg pipe assembly and a limiting slide block.

A flexible shank telescopic machanism which characterized in that:

go up leg pipe assembly: comprises an upper beam, connecting rods fixedly arranged on two sides of the lower end of the upper beam, and a middle beam connected with the two connecting rods;

lower leg pipe assembly: comprises a foot plate and an adjusting rod which vertically extends upwards along two ends of one side of the foot plate;

the middle cross beam and the foot plates are provided with mounting structures for fixedly mounting the flexible air bag set, the spring set is used for connecting the upper cross beam and the foot plates, and the limiting sliding block is used for connecting the connecting rod and the adjusting rod.

Further, mounting structure includes mounting panel and lower mounting panel, go up the fixed middle part position that sets up at the intermediate transverse beam of mounting panel, the mounting panel corresponds to set up on the intermediate position of sole down, the lower extreme and the lower mounting panel lock joint of flexible gasbag group, the upper end and the last mounting panel of flexible gasbag group touch.

Further, go up the mounting panel and all be the setting of L type with lower mounting panel, and the last mounting panel that the L type set up and the horizontal plate on the lower mounting panel all extend towards the sole direction.

Furthermore, a front through hole and a rear through hole are formed in the limiting sliding block, the front through hole is used for the connecting rod to penetrate and is fixedly connected with the connecting rod through a screw, and the rear through hole is used for the adjusting rod to penetrate.

Furthermore, the number of the limiting sliding blocks is four, and the four limiting sliding blocks are respectively arranged on the two connecting rods.

Furthermore, the spring group comprises a left spring and a right spring, the upper end of each spring is fixedly connected with the upper cross beam, and the lower end of each spring is fixedly connected with one side of the foot plate.

The flexible air bag group solves the problems of time and labor waste caused by the adoption of double-pedal force for adjustment in the prior art, and simultaneously solves the problems of complex structure and high cost caused by the adoption of an electric push rod for adjustment.

Drawings

FIG. 1 is an exploded view of the present invention;

FIG. 2 is a schematic structural view of a flexible bladder set of the present invention in a deflated state;

FIG. 3 is a schematic view of a flexible bladder set of the present invention in an expanded configuration;

FIG. 4 is a schematic structural view of a limiting slider;

in the figure, 1-upper leg assembly, 101-upper beam, 102-connecting rod, 103-middle beam, 2-lower leg tube assembly, 201-foot plate, 202-adjusting rod, 3-flexible air bag group, 4-limiting slide block, 401-front through hole, 402-rear through hole, 5-upper mounting plate, 6-lower mounting plate and 7-spring.

Detailed Description

The invention is described in further detail below with reference to the accompanying drawings to better understand the technical solution.

As shown in fig. 1-4, the flexible leg stretching mechanism of the present invention comprises an upper leg tube assembly 1 and a lower leg tube assembly 2, the upper portion of which is hinged to the front end of the cushion frame of the massage chair, and in order to simplify the structure and reduce the cost, a flexible adjusting mechanism is provided between the upper leg tube assembly 1 and the lower leg tube assembly 2, and the flexible adjusting mechanism is used for adjusting the distance between the upper leg tube assembly 1 and the lower leg tube assembly 2, so as to adjust the distance between the upper leg tube assembly 1 and the lower leg tube assembly 2 according to the length of the leg of the user, thereby better serving the user and providing more comfortable experience for the user.

With continued reference to fig. 1-3, the upper leg tube assembly 1 includes an upper cross member 101, connecting rods 102 fixedly disposed at both sides of the lower end of the upper cross member 101, and a middle cross member 103 connecting the two connecting rods 102; the lower leg pipe assembly 2 comprises a foot plate 201 and an adjusting rod 202 which vertically extends upwards along two ends of one side of the foot plate 201; the flexible adjusting mechanism is arranged between the upper leg pipe assembly 1 and the lower leg pipe assembly 2 and comprises a flexible air bag set 3, a spring set and a limiting slide block 4, wherein the spring set and the limiting slide block 4 are connected with the upper leg pipe assembly 1 and the lower leg pipe assembly 2, and the spring set and the limiting slide block 4 are matched for use to realize directional sliding and resetting functions.

The specific installation relationship among all the parts is that four limiting slide blocks 4 are arranged, each limiting slide block 4 is provided with a front through hole 401 for a connecting rod 102 to pass through and a rear through hole 402 for an adjusting rod 202 to pass through, each connecting rod 102 is provided with an upper limiting slide block 4 and a lower limiting slide block 4, the upper limiting slide blocks are fixed through screws, the connecting rods 102 and the limiting slide blocks 4 are fixedly connected, the upper ends of the two adjusting rods 202 sequentially pass through the rear through holes 402 of the corresponding limiting slide blocks 4 respectively, the sliding connection with the connecting rods 102 is realized, each spring group comprises a left spring 7 and a right spring 7, the upper end of each spring 7 is fixedly connected with the upper cross beam 101, and the lower end of each spring 7 is fixedly connected with one side of the foot plate 201.

For the installation that realizes flexible gasbag group 3, be provided with mounting structure on intermediate transverse beam 103 and sole 201, this mounting structure includes mounting panel 5 and lower mounting panel 6, it sets up the middle part position at intermediate transverse beam 103 to go up the mounting panel 5 is fixed, lower mounting panel 6 corresponds the setting on the intermediate position of sole 201, it all is the setting of L type with lower mounting panel 6 to go up mounting panel 5, and the last mounting panel 5 that the L type set up and the horizontal plate on lower mounting panel 6 all extend towards sole 201 direction, the lower extreme of flexible gasbag group 3 and the horizontal plate lock joint of lower mounting panel 6, the upper end and the last mounting panel 5 of flexible gasbag group 3 touch. The flexible air bag group 3 adopts an air pump of the massage chair to inflate and deflate, the air pump is adopted to inflate and deflate, the prior conventional technology is adopted, the specific structure is not described in detail, the inflation and deflation are realized through the air pump, the air pump has the pressure standard and can be decompressed when exceeding a certain value, the absolute safety of the use process is ensured, and the safety accident of clamping injury to a user can not be generated.

The working principle of the invention is as follows: as shown in fig. 2, when the flexible airbag module 3 is in a deflated state, the distance between the upper leg tube assembly 1 and the lower leg tube assembly 2 is reduced under the action of the contraction force of the spring 7 and the orientation of the limit slider 4, and the whole leg stretching mechanism is in a contracted state; as shown in fig. 3, when the flexible airbag module 3 is in an inflated state, the distance between the upper leg tube assembly 1 and the lower leg tube assembly 2 increases due to the ejection force, and the leg stretching mechanism as a whole is in an extended state.

Claims

1. The utility model provides a flexible shank telescopic machanism, includes leg tube assembly (1) and lower leg tube assembly (2) on, its characterized in that go up leg tube assembly (1) and lower leg tube assembly (2) between realize going up leg tube assembly (1) and the adjustment of distance between leg tube assembly (2) down through the flexible adjustment mechanism who sets up, flexible adjustment mechanism is including setting up flexible gasbag group (3) between last leg tube assembly (1) and lower leg tube assembly (2), connecting the spring group and spacing slider (4) of leg tube assembly (1) and lower leg tube assembly (2) down.

2. A flexible leg extension mechanism as claimed in claim 1, wherein:

upper leg tube assembly (1): comprises an upper cross beam (101), connecting rods (102) fixedly arranged on two sides of the lower end of the upper cross beam (101), and a middle cross beam (103) connected with the two connecting rods (102);

lower leg tube assembly (2): comprises a foot plate (201) and an adjusting rod (202) which vertically extends upwards along two ends of one side of the foot plate (201);

the middle cross beam (103) and the foot plate (201) are provided with mounting structures for fixedly mounting the flexible air bag set (3), the spring set is used for connecting the upper cross beam (101) with the foot plate (201), and the limiting sliding block (4) is used for connecting the connecting rod (102) with the adjusting rod (202).

3. The flexible leg stretching mechanism as claimed in claim 2, wherein said mounting structure comprises an upper mounting plate (5) and a lower mounting plate (6), said upper mounting plate (5) is fixedly disposed at the middle position of the middle beam (103), said lower mounting plate (6) is correspondingly disposed at the middle position of the foot plate (201), the lower end of said flexible airbag group (3) is fastened to the lower mounting plate (6), and the upper end of the flexible airbag group (3) is contacted with the upper mounting plate (5).

4. A flexible leg extension mechanism according to claim 3, characterized in that the upper mounting plate (5) and the lower mounting plate (6) are arranged in an L-shape, and the horizontal plates of the L-shaped upper mounting plate (5) and the L-shaped lower mounting plate (6) extend towards the foot plate (201).

5. A flexible leg extension mechanism according to claim 2, wherein the limit slider (4) is provided with a front through hole (401) and a rear through hole (402), the front through hole (401) is used for the connection rod (102) to pass through and is fixedly connected with the connection rod (102) by a screw, and the rear through hole (402) is used for the adjustment rod (202) to pass through.

6. A flexible leg extension mechanism according to claim 5, characterized in that four limit sliders (4) are provided, respectively on two connecting rods (102).

7. A flexible leg extension mechanism according to claim 2, characterized in that the spring set comprises two left and right springs (7), the upper end of each spring (7) being fixedly connected to the upper cross member (101), and the lower end of each spring (7) being fixedly connected to one side of the foot plate (201).