Chest and back correcting exerciser

Abstract

The utility model discloses a chest and back correcting exerciser which comprises a backrest plate and a counterweight bottom plate arranged at the bottom of the backrest plate, and further comprises a chest expanding mechanism arranged on the surface of one side of the backrest plate and used for pulling the shoulders of a patient. A multi-stage supporting mechanism used for supporting the back and the spine of a patient in the double-shoulder traction process is arranged on one side of the backrest plate, a transmission box is further arranged on one side of the backrest plate, and a transmission mechanism used for synchronously driving the chest expanding mechanism and the multi-stage supporting mechanism is arranged in the transmission box. Through traction of the chest expanding mechanism, in the chest expanding process of the patient, auxiliary supporting is automatically conducted on the back and the spine of the patient, the shapes of the chest, the back and the spine of the patient can be corrected, and the correction effect is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of rehabilitation equipment, and in particular relates to a chest and back correction exerciser. Background Art

[0002] Chest kyphosis is a common spinal deformity, which is a morphological change caused by thoracic kyphosis. It is often seen in elderly people with spinal deformity, sitting posture errors, rickets, ankylosing spondylitis and other diseases. The kyphosis that can be corrected is called active kyphosis. When correcting active kyphosis, the chest and back correction training device is often used for auxiliary correction. The user can prevent and correct spinal curvature and kyphosis by using the chest and back correction training device for upper limb exercise and training.

[0003] For example, a chest and back correction exerciser and rehabilitation exerciser disclosed in the utility model with authorization announcement number CN210813694U includes: an exerciser main body and a backrest board connected to each other, and also includes: a supporting component and a buffer component; because the supporting component supports the human arm, the supporting component rotates together with the human arm, and the buffer component is used to reduce the rotation speed of the supporting component, this technical solution achieves the technical effect of protecting and buffering the user during the stretching and recovery process of the chest and back correction exerciser.

[0004] The above technical solution also has the following deficiencies: it cannot perform chest expansion exercises on the patient's shoulders during use, and cannot provide auxiliary support for the patient's back and spine during use, and the overall body correction effect is not good. For this reason, we propose a chest and back correction exerciser. Utility Model Content

[0005] The purpose of the utility model is to provide a chest and back correction exerciser to solve the problems raised in the above-mentioned background technology that it cannot perform chest expansion exercises on the patient's shoulders during use, cannot provide auxiliary support for the patient's back and spine during use, and the overall body shape correction effect is poor.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a chest and back correction exerciser, comprising a backrest and a weighted base plate arranged at the bottom of the backrest, and also comprising a chest expansion mechanism arranged on the surface of one side of the backrest for pulling the patient's shoulders. One side of the backrest is provided with a multi-stage support mechanism for supporting the patient's back and spine during the shoulder pulling process. One side of the backrest is also provided with a transmission box, and a transmission mechanism for synchronously driving the chest expansion mechanism and the multi-stage support mechanism is provided in the transmission box.

[0007] Preferably, the chest expansion mechanism includes two groups of shoulder positioning seats, the two groups of shoulder positioning seats are arranged at one end of the mounting frame, the mounting frame is movably arranged in the transmission box, the two groups of shoulder positioning seats are provided with shoulder straps for fixing the patient's shoulders, the shoulder positioning seats are movably arranged in the traction groove, and the traction groove is arranged on the upper part of the backrest plate, so as to be able to pull the patient's shoulders simultaneously, and any one of the shoulder positioning seats is rotatably connected to the mounting frame through a guide structure, so as to be able to automatically adjust the angle of the shoulder positioning seat during the traction process.

[0008] Preferably, an electric push rod is arranged on one side surface of the transmission box, and a piston rod of the electric push rod is connected to a mounting frame, so that the pulling force and the supporting force are provided by the contraction of the electric push rod.

[0009] Preferably, the guide structure includes a connecting rod, both ends of which are connected to the mounting frame and the ear seat, and the ear seat is arranged on one side of the shoulder positioning seat, and can automatically adjust the angle of the shoulder positioning seat during the pulling process.

[0010] Preferably, the guide structure also includes guide rods, which are respectively arranged at the bottom of the two groups of shoulder positioning seats, and the guide rods are movably arranged in the corresponding guide rail grooves. The two groups of guide rail grooves are arranged in an eight-shaped shape on one side of the pulling groove, which can enable the two groups of shoulder positioning seats to be pulled in both directions to provide a pulling effect.

[0011] Preferably, the transmission mechanism includes an upper rack, a driving gear and a lower rack, the upper rack is connected to the mounting frame, the upper rack and the lower rack are respectively located on both sides of the driving gear and are meshed with the driving gear at the same time, the driving gear is rotatably arranged in the transmission box, one end of the lower rack is connected to the multi-stage support mechanism, which can control the opposite movement of the upper rack and the lower rack.

[0012] Preferably, the multi-stage support mechanism includes a spine support plate, which is arranged at one end of the lower rack, connecting frames are arranged on both sides of the lower rack, and back support pads are arranged on the connecting frames, which can simultaneously support the patient's spine and back, ensuring the chest and back shape correction effect of the patient.

[0013] Preferably, the spine support plate is movably arranged in a center opening, the center opening is arranged in the middle of the backrest plate, the back support pad is movably arranged in an adjustment opening, and the adjustment openings are symmetrically arranged on the backrest plate on both sides of the center opening to facilitate the movement of the spine support plate and the back support pad.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] During the correction process, the utility model automatically provides auxiliary support to the patient's back and spine through the traction of the chest expansion mechanism during the patient's chest expansion process, so that the shape of the patient's chest, back and spine can be corrected, thereby improving the correction effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a structural schematic diagram of the utility model;

[0017] Figure 2 It is a right side cross-sectional structural schematic diagram of the utility model;

[0018] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0019] Figure 4 It is a structural schematic diagram of the chest expansion mechanism in the utility model;

[0020] Figure 5 for Figure 4 A schematic diagram of the enlarged structure at B in the middle;

[0021] Figure 6 It is a structural schematic diagram of the multi-level support mechanism in the utility model;

[0022] Figure 7 This is a schematic diagram of the structure of the spine support plate in the utility model;

[0023] In the figure: 1. Multi-stage support mechanism; 11. Spine support plate; 111. Cervical vertebra support part; 112. Thoracic vertebra support part; 113. Flexible support pad; 12. Center opening; 13. Back support pad; 14. Connecting frame; 15. Adjustment opening; 2. Chest expansion mechanism; 21. Shoulder strap; 22. Shoulder positioning seat; 23. Pulling groove; 24. Mounting frame; 25. Electric push rod; 26. Guide rail groove; 27. Guide rod; 28. Connecting rod; 29. ​​Ear seat; 3. Transmission box; 31. Upper rack; 32. Drive gear; 33. Lower rack; 34. Linear slide rail; 35. Linear slider; 4. Counterweight base plate; 5. Backrest plate. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figure 1 , Figure 2 , Figure 4 and Figure 5 The utility model provides a technical solution: a chest and back correction exerciser, including a backrest board 5 and a weight base board 4 arranged at the bottom of the backrest board 5, and also includes a chest expansion mechanism 2 arranged on the surface of one side of the backrest board 5 for pulling the patient's shoulders. One side of the backrest board 5 is provided with a multi-stage support mechanism 1 for supporting the patient's back and spine during the shoulder pulling process. One side of the backrest board 5 is also provided with a transmission box 3, and a transmission mechanism for synchronously driving the chest expansion mechanism 2 and the multi-stage support mechanism 1 is provided in the transmission box 3.

[0026] The chest expansion mechanism 2 includes two groups of shoulder positioning seats 22, and the two groups of shoulder positioning seats 22 are arranged at one end of the mounting frame 24, and the mounting frame 24 is movably arranged in the transmission box 3. The two groups of shoulder positioning seats 22 are both provided with shoulder straps 21 for fixing the patient's shoulders. The shoulder positioning seats 22 are movably arranged in the traction groove 23, and the traction groove 23 is arranged on the upper part of the backrest plate 5, so that the patient's shoulders can be pulled at the same time. Any shoulder positioning seat 22 is rotatably connected to the mounting frame 24 through a guide structure, and can automatically adjust the angle of the shoulder positioning seat 22 during the traction process.

[0027] Specifically, the shoulder strap 21 is an elastic strap that is wide at the top and narrow at the bottom. The shoulder strap 21 can be connected to the shoulder positioning seat 22 by a buckle. The setting of wide at the top and narrow at the bottom can increase the fitting area between the shoulder strap 21 and the patient's shoulder, and at the same time, it is convenient to pass through the patient's armpit for fixation.

[0028] In the present application, an electric push rod 25 is provided on one side surface of the transmission box 3, the electric push rod 25 is electrically connected to the external control switch, the piston rod of the electric push rod 25 is connected to the mounting frame 24, and the pulling force and supporting force are provided by the contraction of the electric push rod 25.

[0029] First, the patient fits his shoulders onto the shoulder positioning seats 22, and then the shoulders are tied and fixed by the shoulder straps 21. The electric push rod 25 contracts, and the electric push rod 25 drives the mounting frame 24 to move. The mounting frame 24 also drives the two groups of shoulder positioning seats 22 to move. The shoulder positioning seats 22 can automatically adjust the angle through the guide structure, and pull the shoulders to both sides to expand the patient's chest. While expanding the chest, the transmission structure can simultaneously support the patient's spine and back to ensure the patient's chest and back posture and correct the patient.

[0030] As a specific embodiment of this application, please refer to Figure 4 and Figure 5 The guide structure includes a connecting rod 28, both ends of which are connected to the mounting frame 24 and the ear seat 29 through a rotating shaft. The ear seat 29 is arranged on one side of the shoulder positioning seat 22 and can automatically adjust the angle of the shoulder positioning seat 22 during the pulling process.

[0031] The guide structure also includes a guide rod 27, which is respectively arranged at the bottom of the two groups of shoulder positioning seats 22, and the guide rod 27 is movably arranged in the corresponding guide rail groove 26. The two groups of guide rail grooves 26 are arranged in an eight-shaped shape on one side of the pulling groove 23, which can pull the two groups of shoulder positioning seats 22 in both directions to provide a pulling effect.

[0032] When the mounting frame 24 pulls the two groups of shoulder positioning seats 22, the two groups of shoulder positioning seats 22 drive the guide rod 27 to move in the guide rail groove 26. At the same time, during the movement of the shoulder positioning seats 22, the connecting rod 28 is driven to rotate in the ear seat 29 and the mounting frame 24, thereby fine-tuning the angle of the shoulder positioning seats 22. Since the two groups of guide rail grooves 26 are arranged in an eight-shaped shape, the two groups of shoulder positioning seats 22 are pulled to both sides, and the patient's chest is quickly expanded.

[0033] As a specific embodiment of this application, please refer to Figure 2 and Figure 3 The transmission mechanism includes an upper rack 31, a driving gear 32 and a lower rack 33. The upper rack 31 is connected to the mounting frame 24. The upper rack 31 and the lower rack 33 are respectively located on both sides of the driving gear 32 and are meshed with the driving gear 32 at the same time. The driving gear 32 is rotatably set in the transmission box 3. One end of the lower rack 33 is connected to the multi-stage support mechanism 1, which can control the opposite movement of the upper rack 31 and the lower rack 33.

[0034] When the electric push rod 25 contracts and drives the mounting frame 24, the mounting frame 24 drives the upper rack 31 to move, the movement of the upper rack 31 drives the driving gear 32 to rotate, the driving gear 32 drives the lower rack 33 to move, and the movement of the lower rack 33 drives the multi-stage support mechanism 1 to move. The patient's back and spine are supported by the multi-stage support mechanism 1, so that the patient can maintain the correct posture of the chest, back and spine.

[0035] As a specific embodiment of this application, please refer to Figure 2 and Figure 6 The multi-level support mechanism 1 includes a spine support plate 11, which is arranged at one end of the lower rack 33, and connecting frames 14 are arranged on both sides of the lower rack 33. A back support pad 13 is arranged on the connecting frame 14, which can support the patient's spine and back at the same time, ensuring the patient's chest and back shape correction effect. The spine support plate 11 is movably arranged in the center opening 12, and the center opening 12 is arranged in the middle of the backrest plate 5. The back support pad 13 is movably arranged in the adjustment opening 15, and the adjustment opening 15 is symmetrically arranged on the backrest plate 5 on both sides of the center opening 12, which is convenient for the movement of the spine support plate 11 and the back support pad 13.

[0036] During the movement of the lower rack 33, the connecting frame 14 and the spine support plate 11 are driven to move simultaneously. The spine support plate 11 moves in the center opening 12. The movement of the connecting frame 14 drives the back support pad 13 to move. The back support pad 13 moves in the adjustment opening 15. With the movement of the spine support plate 11 and the back support pad 13, the spine support plate 11 fits against the patient's spine, and the back support pad 13 fits against the back on both sides of the spine, thereby supporting the patient's back and spine simultaneously.

[0037] Furthermore, a linear slider 35 is set at the bottom of the lower rack 33, and the linear slider 35 is slidably set in the linear slide rail 34. The linear slide rail 34 is set on one side surface of the transmission box 3. When the lower rack 33 moves, it drives the linear slider 35 to move in the linear slide rail 34, thereby ensuring the guidance of the lower rack 33 when it moves.

[0038] Furthermore, the spine support plate 11 includes an inwardly curved cervical support portion 111 and an outwardly curved thoracic support portion 112. The above design can fit closely with the patient's cervical and thoracic vertebrae, thereby improving the support effect on the spine.

[0039] Furthermore, a semi-arc-shaped flexible support pad 113 is provided on one side of the cervical vertebra support portion 111 and the thoracic vertebra support portion 112 to improve the comfort of the patient when using the device.

[0040] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A chest and back correction exerciser, comprising a backrest board (5) and a weighted bottom board (4) arranged at the bottom of the backrest board (5), characterized in that: The invention also comprises a chest expansion mechanism (2) arranged on the surface of one side of a backrest board (5) for pulling the patient's shoulders; a multi-stage support mechanism (1) for supporting the patient's back and spine during the pulling of the shoulders is arranged on one side of the backrest board (5); a transmission box (3) is also arranged on one side of the backrest board (5); a transmission mechanism for synchronously driving the chest expansion mechanism (2) and the multi-stage support mechanism (1) is arranged in the transmission box (3).

2. The chest and back correction exerciser according to claim 1, characterized in that: The chest expansion mechanism (2) comprises two groups of shoulder positioning seats (22), the two groups of shoulder positioning seats (22) are arranged at one end of a mounting frame (24), the mounting frame (24) is movably arranged in a transmission box (3), and the two groups of shoulder positioning seats (22) are both provided with shoulder straps (21) for fixing the patient's shoulders, the shoulder positioning seats (22) are movably arranged in a pulling groove (23), and the pulling groove (23) is arranged on the upper part of the backrest plate (5), and any one of the shoulder positioning seats (22) is rotatably connected to the mounting frame (24) through a guide structure.

3. The chest and back correction exerciser according to claim 2, characterized in that: An electric push rod (25) is arranged on one side surface of the transmission box (3), and a piston rod of the electric push rod (25) is connected to a mounting frame (24).

4. The chest and back correction exerciser according to claim 2, characterized in that: The guide structure comprises a connecting rod (28), both ends of which are connected to a mounting frame (24) and an ear seat (29), and the ear seat (29) is arranged on one side of the shoulder positioning seat (22).

5. The chest and back correction exerciser according to claim 2, characterized in that: The guide structure further comprises a guide rod (27), wherein the guide rod (27) is respectively arranged at the bottom of the two groups of shoulder positioning seats (22), and the guide rod (27) is movably arranged in the corresponding guide rail groove (26), and the two groups of the guide rail groove (26) are arranged in an eight-shaped shape on one side of the pulling groove (23).

6. The chest and back correction exerciser according to claim 1, characterized in that: The transmission mechanism comprises an upper rack (31), a driving gear (32) and a lower rack (33); the upper rack (31) is connected to a mounting frame (24); the upper rack (31) and the lower rack (33) are respectively located on both sides of the driving gear (32) and mesh with the driving gear (32) at the same time; the driving gear (32) is rotatably arranged in a transmission box (3); one end of the lower rack (33) is connected to a multi-stage support mechanism (1).

7. The chest and back correction exerciser according to claim 1 or 6, characterized in that: The multi-stage support mechanism (1) comprises a spine support plate (11), wherein the spine support plate (11) is arranged at one end of a lower rack (33), connecting frames (14) are arranged on both sides of the lower rack (33), and a back support pad (13) is arranged on the connecting frames (14).

8. The chest and back correction exerciser according to claim 7, characterized in that: The spine support plate (11) is movably arranged in a central opening (12), and the central opening (12) is arranged in the middle of a backrest plate (5). The back support pad (13) is movably arranged in an adjustment opening (15), and the adjustment opening (15) is symmetrically arranged on the backrest plate (5) on both sides of the central opening (12).

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