CN218978425U

CN218978425U - Linkage connecting rod and rack opposite-pulling mechanism for controlling calf expansion and contraction

Info

Publication number: CN218978425U
Application number: CN202222942893.4U
Authority: CN
Inventors: 周玲卫; 施良乐; 陈鸿
Original assignee: Irest Health Science and Technology Co Ltd
Current assignee: Irest Health Science and Technology Co Ltd
Priority date: 2022-11-01
Filing date: 2022-11-01
Publication date: 2023-05-09
Anticipated expiration: 2032-11-01

Abstract

The utility model discloses a linkage connecting rod and rack opposite-pulling mechanism for controlling the expansion of a lower leg, which comprises a telescopic rod and a lower leg frame, wherein the telescopic rod is slidably arranged in the lower leg frame, a telescopic part is arranged in the lower leg frame and is linked with the telescopic rod, so that the telescopic rod is in a state of extending out of the lower leg frame after the lower leg frame is lifted, and is in a state of retracting into the lower leg frame after the lower leg frame is put down. The utility model relates to a linkage connecting rod and rack opposite-pulling mechanism for controlling calf extension.

Description

Linkage connecting rod and rack opposite-pulling mechanism for controlling calf expansion and contraction

Technical Field

The utility model relates to a telescopic mechanism, in particular to a linkage connecting rod and rack opposite-pulling mechanism for controlling the expansion and contraction of a lower leg.

Background

Patent CN106618997a provides a forward-moving zero-gravity massage chair frame, in which the leg-beautifying frame (reference numeral 6 in the literature, also known as the leg-beautifying frame in the trade) is stretched by the action of a traction rod (reference numeral 13 in the literature) and a driving rod (reference numeral 12 in the literature), and the leg-beautifying frame is stretched and adjusted by only relying on the traction rod and the driving rod, so that the diagonal adjustment speed during adjustment is too fast, and the comfort of the lying posture of the human body is poor.

Therefore, the patent number 2020219066995 is available in the prior art, and the utility model patent named zero gravity massage rack extends the lower leg rack through arranging the second linkage push rod, the third linkage push rod and the fourth linkage push rod to form a three-rod extending structure, so that the extending speed is more stable and the comfort is higher relative to the two-rod extending structure, however, the lower leg rack in the massage rack of the structure can not realize the active extending and retracting function, and the effect of passively extending and retracting along with the feet of a person is realized mainly through the action of the tension spring, however, because the tension spring mainly realizes the passive extending and retracting through the elasticity, the elasticity can be applied to the sole of the person when the tension spring is stepped and prolonged by the feet, and the sole of the person is pressed, so that the comfort is greatly reduced.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a linkage connecting rod and rack opposite-pulling mechanism which can actively stretch and retract a lower leg and increase comfort and control the lower leg to stretch and retract.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a flexible linkage connecting rod of control shank and rack are to pulling mechanism, includes telescopic link and shank frame, the telescopic link slidable sets up in the shank frame, be equipped with telescopic part in the shank frame, this telescopic part is linked with the telescopic link to after the shank frame lifts, make the telescopic link be in the state that stretches out in the shank frame, after the shank frame puts down, make the telescopic link be in the state of retracting into the shank frame.

As a further improvement of the utility model, the lower leg frame comprises a shell and a driving rod, wherein the driving rod and the telescopic rod are slidably arranged in the shell and are mutually linked, and the driving rod is used as a telescopic part to drive the telescopic rod to slide out of the shell or retract.

As a further improvement of the utility model, the driving rod and the telescopic rod are arranged in the shell side by side, the middle part of the shell is provided with a linkage wheel relative to the position between the driving rod and the telescopic rod, and the side walls of the driving rod and the telescopic rod are contacted with the linkage wheel so that the moving directions of the telescopic rod and the driving rod are opposite through the linkage wheel.

As a further improvement of the utility model, the linkage wheel is of a gear structure, and a magnetic strip structure is arranged on one side edge of the telescopic rod and one side edge of the driving rod, which are towards the linkage wheel, and the magnetic strip structure is meshed with the linkage wheel.

As a further improvement of the utility model, the lower leg rest further comprises a foot rest lever fixedly arranged on the telescopic rod and sliding along with the telescopic rod.

As a further improvement of the utility model, the telescopic rod and the driving rod are respectively provided with a connecting through hole, the connecting through holes are internally connected with bolts in a threaded manner, the bolts on the telescopic rod are inserted into the pedal rod and are in threaded connection with the pedal rod, and the bolts on the driving rod are connected with the external linkage push rod so as to enable the driving rod to be linked with the external linkage push rod.

As a further improvement of the utility model, the shell comprises a bottom shell and a shell cover, wherein the shell cover is arranged on the bottom shell, two sliding grooves which are parallel to each other are formed in the bottom shell, the driving rod and the telescopic rod are respectively arranged in the sliding grooves in a sliding manner, and the linkage wheel is rotatably arranged between the two sliding grooves.

As a further improvement of the utility model, the heads of the two bolts on the telescopic rod and the driving rod extend out of the side surfaces of the telescopic rod and the driving rod and extend into the sliding groove.

As a further improvement of the utility model, two waist-shaped holes for the bolts on the telescopic rod and the driving rod to pass through are formed in the position of the shell cover relative to the two sliding grooves.

The telescopic leg frame structure has the beneficial effects that a telescopic leg frame structure can be effectively formed through the arrangement of the telescopic rod and the leg frame, and the telescopic rod can be effectively linked with the lifting action of the massage frame through the arrangement of the telescopic component, so that the telescopic rod extends out of the leg frame after the massage frame is lifted and is retracted into the leg frame after the massage frame is put down, the active telescopic effect is well realized, and the telescopic leg frame structure can avoid the compression on soles of people and effectively improve the comfort compared with the passive telescopic mode in the prior art.

Drawings

FIG. 1 is a diagram showing the overall structure of a massage chair using the dual-linkage mechanism for lifting and telescoping the lower leg of the massage chair of the present utility model;

FIG. 2 is a schematic view of the massage chair in an initial state using the dual-linkage mechanism of lifting and telescoping the lower leg of the massage chair of the present utility model;

fig. 3 is a schematic view showing a structure of a lying state of a massage chair to which the leg lifting and telescoping dual-linkage mechanism of the massage chair of the present utility model is applied;

fig. 4 is a schematic view of the structure of the calf shank of fig. 3.

Detailed Description

The utility model will be further described in detail with reference to examples of embodiments shown in the drawings.

Referring to fig. 1 to 4, a linkage link and rack opposite-pulling mechanism for controlling the expansion of a lower leg of the present embodiment includes a telescopic link 1 and a lower leg frame 2, the telescopic link 1 is slidably disposed in the lower leg frame 2, a telescopic member 4 is disposed in the lower leg frame 2, the telescopic member 4 is linked with the telescopic link 1, so that the telescopic link 1 is in a state of extending from the lower leg frame 2 after the lower leg frame 2 is lifted, the telescopic link 1 is in a state of retracting into the lower leg frame 2 after the lower leg frame 2 is put down, and after lifting is completed, the telescopic link 1 is driven to be in an extending state due to the action of the telescopic member 4.

As a concrete implementation mode of improvement, shank frame 2 includes shell 21 and actuating lever 22, actuating lever 22 and telescopic link 1 all slidable set up in shell 21, and the mutual linkage, actuating lever 22 drives telescopic link 1 and slides as telescopic part 4, slide out from shell 21, perhaps retract, through the effect of actuating lever 22, alright realization and the process linkage of lifting, in this in the in-process of lifting shank frame 2, telescopic link 1 also outwards stretches out along with, realize telescopic link 1's flexible effect with shank frame 2's the mutual linkage of lifting, so compare in the mode that adopts extra motor drive telescopic link 1, on the one hand can avoid leading to the lower part to need occupy more space and then lead to the too high problem of massage armchair at initial state telescopic link 1's mode, on the other hand can avoid the problem that can push up the heel of people that the telescopic link 1 leads to at the telescopic mode of lying state, for example, the tip of people just can stretch out from shank frame 2 under lying state, hang in the place ahead of telescopic link 1, if telescopic link 1 stretches out together again, the very big comfortable condition of the heel that can appear when the person's the very big heel of taking care has just like this, the situation of taking place.

As a specific embodiment of improvement, the driving rod 22 and the telescopic rod 1 are arranged side by side in the casing 21, a linkage wheel 23 is arranged in the middle of the casing 21 and opposite to the driving rod 22 and the telescopic rod 1, the side walls of the opposite sides of the driving rod 22 and the telescopic rod 1 are contacted with the linkage wheel 23, so that the telescopic rod 1 and the driving rod 22 are linked with each other through the linkage wheel 23, the casing 21 can provide a sliding base of the driving rod 22 and the telescopic rod 1, and the linkage wheel 23 can realize the linkage between the driving rod 22 and the telescopic rod 1 in a contact manner, so that the driving rod 22 drives the telescopic rod 1 to slide simply and effectively.

As a concrete implementation way of improvement, the linkage wheel 23 is of a gear structure, a magnetic stripe structure is arranged on one side edge of the telescopic rod 1 and the driving rod 22, which faces the linkage wheel 23, the magnetic stripe structure is meshed with the linkage wheel 23, so that the telescopic rod 1 and the driving rod 22 can be linked by utilizing the linkage wheel 23 in a gear meshing mode, and the linkage action of the telescopic rod 1 and the driving rod has higher stability, and no slipping occurs.

As an improved specific embodiment, the lower leg rest 2 further includes a foot rest lever 24, the foot rest lever 24 is fixedly mounted on the telescopic rod 1, along with the sliding of the telescopic rod 1, through the arrangement of the foot rest lever 24, a foot rest position can be provided for a user to realize the supporting function to the sole, meanwhile, the foot rest lever 24 stretches along with the telescopic rod 1, so that the sole stretching out of the lower leg rest 2 can be provided for a trampling function in a lying state, the comfort in lying is further increased, and the length of the whole massage frame in the lying state is increased along with the extension of the lower leg rest 2, so that the problem of low comfort caused by insufficient part length of the lower leg rest 2 in lying is avoided.

As a modified specific embodiment, the telescopic rod 1 and the driving rod 22 are provided with connecting through holes, the connecting through holes are internally connected with bolts in a threaded manner, the bolts on the telescopic rod 1 are inserted into the foot rest rods 24 and are in threaded connection with the foot rest rods 24, the bolts on the driving rod 22 are connected with external linkage push rods, so that the driving rod 22 is linked with the external linkage push rods, and the foot rest rods 24 can be effectively fixed on the telescopic rod 1 through the arrangement of the connecting through holes and the bolts.

As an improved specific embodiment, the housing 21 includes a bottom shell 211 and a housing cover 212, the housing cover 212 is covered on the bottom shell 211, two parallel sliding grooves are provided in the bottom shell 211, the driving rod 22 and the telescopic rod 1 are respectively slidably provided in the sliding grooves, the linkage wheel 23 is rotatably provided between the two sliding grooves, and the telescopic rod 1 and the driving rod 22 can be effectively protected through the arrangement of the bottom shell 211 and the housing cover 212.

As a specific embodiment of improvement, the heads of the bolts on the telescopic rod 1 and the driving rod 22 extend out of the sides of the telescopic rod 1 and the driving rod 22 and extend into the sliding groove, through the structure, the limiting effect can be achieved through the further matching of the heads of the bolts with the sliding groove, and the telescopic rod 1 and the driving rod 22 can better slide in the bottom shell 211.

As an improved specific embodiment, two waist-shaped holes for the bolts on the telescopic rod 1 and the driving rod 22 to pass through are formed in the positions of the casing cover 212 corresponding to the two sliding grooves, and through the arrangement of the waist-shaped holes, a space for the bolts to pass through can be provided, and the sealing degree of the casing 21 can be ensured to the greatest extent.

To sum up, the mechanism of the embodiment can drive the telescopic rod 1 to extend or retract into the lower leg frame 2 after lifting or putting down the massage frame through the arrangement of the telescopic component 4, thereby realizing the effect of active telescopic, and compared with the prior art adopting a mode of spring matched passive telescopic, the mechanism has higher comfort.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides a flexible linkage connecting rod of control shank and rack are to drawing mechanism, includes telescopic link (1) and shank frame (2), telescopic link (1) slidable sets up in shank frame (2), its characterized in that: be equipped with telescopic member (4) in shank frame (2), this telescopic member (4) are in linkage with telescopic link (1) to after shank frame (2) lifts, make telescopic link (1) be in the state that stretches out in from shank frame (2), after shank frame (2) put down, make telescopic link (1) be in the state of retracting into shank frame (2).

2. The linkage link and rack counter-pulling mechanism for controlling calf extension and retraction according to claim 1, wherein: the shank frame (2) comprises a shell (21) and a driving rod (22), wherein the driving rod (22) and the telescopic rod (1) are slidably arranged in the shell (21) and are mutually linked, and the driving rod (22) serves as a telescopic component (4) to drive the telescopic rod (1) to slide, slide out of the shell (21) or retract.

3. The linkage link and rack counter-pulling mechanism for controlling calf extension and retraction according to claim 2, wherein: the driving rod (22) and the telescopic rod (1) are arranged in parallel in the shell (21), a linkage wheel (23) is arranged in the middle of the shell (21) and opposite to the driving rod (22) and the telescopic rod (1), and the side walls of the opposite sides of the driving rod (22) and the telescopic rod (1) are contacted with the linkage wheel (23) so that the telescopic rod (1) and the driving rod (22) are in linkage with each other through the linkage wheel (23).

4. The linkage link and rack counter-pulling mechanism for controlling calf extension and retraction according to claim 3 wherein: the connecting wheel (23) is of a gear structure, a magnetic strip structure is arranged on one side edge of the telescopic rod (1) and one side edge of the driving rod (22) facing the connecting wheel (23), and the magnetic strip structure is meshed with the connecting wheel (23).

5. The linkage link and rack counter-pulling mechanism for controlling calf extension and retraction according to claim 3 wherein: the shank frame (2) further comprises a foot rest rod (24), wherein the foot rest rod (24) is fixedly arranged on the telescopic rod (1) and slides along with the telescopic rod (1).

6. The linkage link and rack counter-pulling mechanism for controlling calf extension and retraction of claim 5 wherein: the telescopic rod (1) and the driving rod (22) are respectively provided with a connecting through hole, the connecting through holes are internally connected with bolts in a threaded manner, the bolts on the telescopic rod (1) are inserted into the pedal rods (24) and are in threaded connection with the pedal rods (24), and the bolts on the driving rod (22) are connected with the external linkage push rods so that the driving rod (22) is in linkage with the external linkage push rods.

7. The linkage link and rack counter-pulling mechanism for controlling calf extension and retraction of claim 6 wherein: the shell (21) comprises a bottom shell (211) and a shell cover (212), the shell cover (212) is arranged on the bottom shell (211), two sliding grooves which are parallel to each other are formed in the bottom shell (211), the driving rod (22) and the telescopic rod (1) are respectively arranged in the sliding grooves in a sliding mode, and the linkage wheel (23) is rotatably arranged between the two sliding grooves.

8. The linkage link and rack counter-pulling mechanism for controlling calf extension and retraction of claim 7 wherein: the heads of the bolts on the telescopic rod (1) and the driving rod (22) extend out of the side surfaces of the telescopic rod (1) and the driving rod (22) and extend into the sliding groove.

9. The linkage link and rack counter-pulling mechanism for controlling calf extension and retraction of claim 7 wherein: two waist-shaped holes for the bolts on the telescopic rod (1) and the driving rod (22) to pass through are formed in the position of the shell cover (212) relative to the two sliding grooves.