WO2021012367A1

WO2021012367A1 - Back massage trainer

Info

Publication number: WO2021012367A1
Application number: PCT/CN2019/106108
Authority: WO
Inventors: 张燕
Original assignee: 江苏杰威体育设施有限公司
Priority date: 2019-07-24
Filing date: 2019-09-17
Publication date: 2021-01-28
Also published as: CN210331536U

Abstract

A back massage trainer, comprising a frame (1) fixed on the ground, a first link (2), a second link (3) and a third link rod (4) being sequentially hinged to the frame (1) and constituting a four-link rod mechanism; the second link rod (3) is provided with a seat plate (8), which is located above the first link rod (2); the third link rod (4) is provided with a massage part which comprises a connecting rod (6) fixedly connected to the third link rod (4); a free end of the connecting rod (6) is located above the seat plate (8), the free end being provided with a massage bar (7); and the four-link rod mechanism is provided with a limiting part (5) for limiting the deflection range of the four-link rod structure.

Description

Back massage training device

Technical field

The utility model relates to the technical field of sports equipment, in particular to a back massage training device.

Background technique

With the improvement of people’s living water, having a healthy body has become the goal pursued by most people. People have put forward higher requirements for fitness equipment. As a common exercise equipment for relieving lumbar fatigue, the back massage trainer is widely used by the public. Love, although the Chinese patent with application number CN201720601125.9 discloses a new outdoor waist training back massage equipment, the back is required to exert force during massage, so the stiffness of the back during massage is not conducive to the relaxation of back muscles. Since the device is driven by the back and the center of gravity is rearward, in order to prevent the device from falling backward, it is necessary to install a load-bearing frame and a column on the rear side to stabilize the entire device, so the back massage equipment occupies a large area. In addition, the equipment is also equipped with a weight plate, the use of the weight plate increases the cost, and there are certain safety risks outdoors.

Utility model content

The purpose of the utility model is to provide a back massage training device with a fully relaxed back, good massage effect and a small footprint.

In order to achieve the purpose of the above utility model, a back massage training device of the utility model adopts the following technical solutions:

A back massage training device includes a frame fixed on the ground. The frame is sequentially hinged with a first connecting rod, a second connecting rod, and a third connecting rod to form a four-link mechanism. The second connecting rod is provided with a seat The seat plate is located above the first connecting rod, the third connecting rod is provided with a massage part, the massage part includes a connecting rod fixedly connected to the third connecting rod, the free end of the connecting rod is located above the seat plate, and the free end is provided with The massage stick and the four-link mechanism are provided with a limit part that limits the deflection range of the four-link structure. Press the connecting rod downwards, the massage stick moves downwards, and when the connecting rod is released, the massage stick moves upwards to massage the back.

Further, the limiting portion includes a housing fixed to the frame, and a rotating shaft is arranged in the housing, and the rotating shaft is fixedly connected with the four-bar linkage mechanism. Used to limit the deflection range of the four-bar linkage structure.

Further, a limit plate is formed on the rotating shaft, and a pin shaft that cooperates with the limit plate is formed on the housing. The pin shaft moves between the limit plates to limit the rotation angle of the third link.

Further, elastic bodies are provided on both sides of the limiting plate. When the limit plate collides with the pin shaft, it can effectively buffer and reduce the noise during the operation of the equipment.

Further, a waist-shaped hole is provided on the housing, a limiting block is inserted into the waist-shaped hole, and the limiting block is fixedly connected to the rotating shaft. It can effectively limit the movement of the third link.

Further, a handle is provided in the middle of the connecting rod. It can effectively press, save effort, and can effectively exercise arm muscles.

Further, a foot pedal is provided on a side of the second connecting rod away from the seat plate. This allows the user to present a semi-lying state during the exercise, effectively alleviating exercise fatigue, and avoiding soreness caused by prolonged hanging of the legs.

Further, the massage rods are in two groups, and massage protrusions are provided on the massage rods. It can massage the back fully and effectively and relieve back fatigue. When exercising, use your own weight to switch to a massage stick, and evenly distribute the force on the two massage sticks, so that the entire back can be massaged in all aspects.

Further, the bottom of the frame is provided with lugs for fixing expansion screws. It is convenient for installation and disassembly of equipment, and is suitable for public areas such as residential quarters and parks.

Compared with the prior art, the beneficial effects of the present invention are:

The parallel four-bar linkage mechanism is matched with the connecting rod. Push down the connecting rod to drive the massage section at the upper end of the connecting rod to relieve back fatigue while also exercising arm muscles. The structure is reasonable, the floor space is small, and there is no need to set dumbbells on the rack. Heavy objects reduce potential safety hazards and are easier to popularize and use in communities, parks and other public places.

Description of the drawings

Figure 1 is a schematic diagram of the utility model;

Figure 2 is a side view of the utility model;

Fig. 3 is a schematic diagram of a limiting part of an embodiment of the present invention;

Fig. 4 is a schematic diagram of a limiting portion of another embodiment of the present invention.

Among them, 1 frame, 11 lugs, 2 first connecting rod, 3 second connecting rod, 31 foot pedal, 4 third connecting rod, 5 limiting part, 51 housing, 52 rotating shaft, 53 limiting plate, 54 pin shaft, 55 elastic body, 56 waist-shaped hole, 57 limit block, 6 connecting rod, 61 handle, 7 massage stick, 71 massage protrusion, 8 seat board.

Detailed ways

The following specific embodiments will further clarify the present utility model. It should be understood that these embodiments are only used to illustrate the present utility model and not to limit the scope of the present utility model. After reading the present utility model, those skilled in the art will understand Various equivalent modifications fall within the scope defined by the appended claims of this application.

It should be noted that similar reference numerals and letters indicate similar items in the following figures. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

In the description of the utility model, it should be noted that the orientation or positional relationship indicated by the terms "vertical" and "outer peripheral surface" are based on the orientation or positional relationship shown in the drawings, or when the utility model is used. The usual orientation or positional relationship is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as Restrictions on the utility model. In addition, the terms "first", "second", "third", etc. are only used for distinguishing description, and cannot be understood as indicating or implying relative importance.

In addition, the term "vertical" and other terms do not mean that the component is required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" only means that its direction is more horizontal than "vertical". It does not mean that the structure must be completely horizontal, but can be slightly inclined.

In the description of the present utility model, it should also be noted that, unless otherwise clearly specified and limited, the terms “setup”, “installation”, “connected” and “connected” should be understood in a broad sense, for example, they may be fixed connections It can also be detachably connected or integrally connected; it can be mechanically connected or electrically connected; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication between two components. For those of ordinary skill in the art, the specific meaning of the above-mentioned terms in the present utility model can be understood under specific circumstances.

Embodiment 1 as shown in Figure 1 to Figure 3:

A back massage training device includes a frame 1 fixed on the ground. The frame 1 is sequentially hinged with a first link 2, a second link 3, and a third link 4 to form a four-link mechanism. The connecting rod 3 is provided with a seat plate 8, the seat plate 8 is located above the first connecting rod 2, and the third connecting rod 4 is provided with a massage part. The massage part includes a connecting rod 6 fixedly connected to the third connecting rod 4, and the connecting rod 6 The free end is located above the seat plate 8, the free end is provided with a massage stick 7, the four-link mechanism is provided with a limit part 5 that limits the deflection range of the four-link structure, and the limit part 5 includes a shell fixed to the frame 1. The housing 51 is provided with a rotating shaft 52. The rotating shaft 52 is fixedly connected to the third connecting rod 4 to limit the rotation angle of the third connecting rod 4. The rotating shaft 52 is formed with a limit plate 53 and the housing 51 is formed with The pin shaft 54 matched with the limit plate 53 moves between the limit plates 53 to limit the rotation angle of the third link 4. The two sides of the limit plate 53 are provided with elastic bodies 55. When the limit plate 53 and the pin shaft 54 collide, it can effectively buffer and reduce the noise during the operation of the equipment. The middle of the connecting rod 6 is provided with a handle 61, which can effectively press, save effort, and can effectively exercise the arm muscles. A foot pedal 31 is provided on the side of the connecting rod 3 away from the seat plate 8. This allows the user to assume a semi-lying state during the exercise process, effectively alleviating exercise fatigue, and avoiding soreness caused by prolonged hanging of the legs. The massage sticks 7 are two groups, and the massage sticks 7 are provided with massage protrusions 71, which can fully and effectively Massage the back to relieve back fatigue. When exercising, use your own weight to switch to the massage stick 7, and evenly distribute the force on the two massage sticks 7, so that the entire back can be massaged in all aspects. The bottom of the frame 1 is provided for fixing Expansion screw lug 11. It is convenient for the installation and disassembly of equipment, and is suitable for public areas such as residential quarters and parks. When in use, the connecting rod is pressed downwards, the massage stick 7 moves downwards, and the connecting rod is released, the massage stick 7 moves upwards to massage the back.

Further, embodiment 2 shown in Figure 4:

The limiting part 5 is further improved. The housing 51 is provided with a waist-shaped hole 56 into which a limiting block 57 is inserted into the waist-shaped hole 56, and the limiting block 57 is fixed to the rotating shaft 52. The movement of the third link 4 can be effectively restricted.

The specific working process and principle of the utility model: when in use, grasp the handle 61, press the connecting rod 6 downwards, the parallel double rocker mechanism moves upwards, the massage stick 7 moves downwards, loosen the connecting rod 6, parallel double rocking The rod mechanism moves downwards, and the massage stick 7 moves upwards to massage the back.

The above are only preferred embodiments of the present utility model, and do not limit the present utility model in any form. Although the present utility model has been disclosed in the preferred embodiment as above, it is not intended to limit the present utility model. Technical personnel of the invention, without departing from the scope of the technical solution of the present utility model, can use the technical content disclosed above to make slight changes or modifications to equivalent embodiments with equivalent changes, but any content that does not depart from the technical solution of the present utility model Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present utility model still fall within the scope of the technical scheme of the present utility model.

It should be noted that the structure, ratio, size, etc. shown in the accompanying drawings in this specification are only used to match the content disclosed in the specification for people familiar with this technology to understand and read, and are not intended to limit the utility. The limited conditions for the implementation of the new model do not have technical substantive significance. Any structural modification, proportional relationship change, or size adjustment should not affect the effects and objectives of the present utility model. It still falls within the scope of the technical content disclosed in the present utility model.

Claims

A back massage training device includes a frame fixed on the ground. The frame is sequentially hinged with a first connecting rod, a second connecting rod, and a third connecting rod to form a four-link mechanism, and is characterized in that: The two connecting rods are provided with a seat plate, the seat plate is located above the first connecting rod, the third connecting rod is provided with a massage part, and the massage part includes a connecting rod fixedly connected to the third connecting rod. The free end of the rod is located above the seat plate, the free end is provided with a massage bar, and the four-link mechanism is provided with a limit part that limits the deflection range of the four-link structure.
The back massage training device according to claim 1, wherein the limiting part comprises a housing fixed to the frame, and a rotating shaft is arranged in the housing, and the rotating shaft is connected to a four-bar linkage mechanism. Fixed connection.
The back massage training device according to claim 2, wherein a limit plate is formed on the rotating shaft, and a pin shaft that cooperates with the limit plate is formed on the housing.
The back massage training device according to claim 3, wherein elastic bodies are provided on both sides of the limiting plate.
The back massage training device according to claim 2, wherein the casing is provided with a waist-shaped hole, and a limiting block is inserted into the waist-shaped hole, and the limiting block is connected to the shaft Fixed connection.
The back massage training device according to claim 1, wherein a handle is provided in the middle of the connecting rod.
The back massage training device according to claim 1, wherein a foot pedal is provided on the side of the second link away from the seat plate.
The back massage training device according to claim 1, wherein the massage sticks are in two groups, and massage protrusions are provided on the massage sticks.
The back massage training device according to claim 1, wherein the bottom of the frame is provided with lugs for fixing expansion screws.