Body forward flexion training and measuring device

Abstract

The utility model discloses a body forward flexion training and measuring device which comprises a base and a pedal, the base comprises a bottom plate and a pair of side plates which are oppositely arranged in parallel, the side plates are of a trapezoid structure and are consistent in forward arrangement direction, a plurality of grooves are evenly distributed along the trapezoid inclined edges of the side plates, and the pedal is used for standing an acting point. At least two sets of protrusions are symmetrically arranged on the two sides of the base and matched with the grooves. A sliding groove is vertically and downwards formed in the position, located at the highest position of the ladder shape, of the inner side of a side plate of the base, the sliding groove can be matched with a pedal edge protrusion to slide in, a mounting positioning nut column is arranged on the back face of the pedal, a measuring ruler is fixed to the right-angle supporting frame in the horizontal direction, and a measuring push plate capable of sliding in parallel along the measuring ruler is arranged on the measuring ruler. The inclination of the pedal is adjusted by adjusting the matching of the protrusions and the grooves with different heights, the pedal is used for adaptability training in different stages, the design of all the components is ingenious, a multi-combination product is formed, different training requirements are met, and meanwhile the purpose of measurement is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of sports measuring equipment, in particular to a forward bending training and measuring device. Background Art

[0002] Sit and Reach is one of the indicators in the physical fitness test for primary, secondary and college students. Its purpose is to measure the range of motion of the trunk, waist, hip and other joints in a static state. It mainly reflects the stretchability and elasticity of the joints, ligaments and muscles in these parts, as well as the level of development of the body's flexibility.

[0003] Existing measuring equipment is limited to the measuring function itself. For ordinary users, it is not only necessary to measure indicators, but also to focus on the forward bending training function, maintain daily fitness exercises, and achieve a better physical condition. Utility Model Content

[0004] The forward flexion training and measuring device provided by the utility model can solve at least one of the above technical problems, and the multi-purpose product has functional assembly and is easy to use.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A forward flexion training and measurement device comprises: a base, the base comprises a bottom plate and a pair of parallel and oppositely arranged side plates, the bottom plate and the pair of side plates are combined in a U-shaped cavity layout, the side plates are trapezoidal in structure and arranged in the same direction in the forward direction, a number of grooves are evenly distributed along the inclined sides of the trapezoidal side plates, and the grooves of the two side plates are arranged in parallel and correspondingly; a pedal, the pedal is a rectangular structure, the front of the pedal is provided with a double foot mark for standing points, at least two groups of protrusions are symmetrically arranged on both sides, and the protrusions are adapted to the grooves; the pedal is adapted to the protrusions and grooves of different heights, thereby adjusting the inclination of the pedal for adaptive training at different stages. When using this training device, the pedal selects the lowest slot on the base, the subject straightens his legs, pushes his feet flat on the double foot marks, bends his upper body downward and straightens his arms, and tries his best to touch the base or toes downward, thereby repeatedly exercising to increase body flexibility; after adapting to the previous stage, the pedal suspension slot can be increased, and as the slot is increased, the training intensity is gradually increased, thereby achieving the training purpose.

[0007] The cam is secured to the rear of the drive mechanism and is configured to engage with the spring, with the cam being secured to the rear of the drive mechanism and being configured to engage with the spring when the cam is engaged with the drive mechanism. A one-way check device A is provided on the outer fixed sleeve at one end of the tube, and the outer surface of the one-way check device A is relatively fixed to the drum; a one-way check device B is provided on the outer fixed sleeve at one end of the right handle circular tube, and the outer surface of the one-way check device B is relatively fixed to the drum; the other end of the contraction belt or contraction rope is fixed to the drum by passing the contraction belt or contraction rope through a notch provided on the drum, and being sleeved or looped on a bolt penetrating the axis of the drum, and fixing nuts are provided at both ends of the drum; the auxiliary bending traction device and the base can also be directly connected by an elastic rope or elastic band, and the auxiliary bending traction device is provided with a fixing belt between the connection points between the left handle circular tube and the right handle circular tube and the drum respectively, and the fixing belt is provided with three circular holes for fixing or hanging the elastic rope or elastic band; a contraction belt fixed end is provided at the center of the front end of the base, and one end of the elastic rope or elastic band is fixed by a pin, or a fixing belt is provided at the fixed end of the contraction belt for fixing or hanging the elastic rope or elastic band. The auxiliary bending traction device is used for auxiliary training, with unidirectional contraction and traction on the upper body to bend forward, which helps flexibility training.

[0008] The outer ring of the reel is engaged with a separate protective cover for accommodating the reel and the retractable belt or retractable rope. The left handle round tube or the right handle round tube is sleeved with foam cotton to provide a better hand-holding experience.

[0009] The present application also provides a simple training device including an auxiliary bending traction device, a contraction belt or contraction rope, and a pedal, wherein one end of the contraction belt or contraction rope is fixed to the auxiliary bending traction device, and the other end of the contraction belt or contraction rope is fixed to the middle of the pedal round tube through a U-shaped clip set, and the two ends of the pedal round tube are respectively installed with D-shaped pedals; the auxiliary bending traction device and the pedal round tube can also be directly connected by an elastic rope or elastic belt, and the pedal round tube ring in the D-shaped pedal is sleeved with foam cotton. In order to further improve the training effect, the optimized simple device is more convenient to carry, and training can be completed anytime and anywhere.

[0010] The present application further provides a forward flexion measuring device, including a base, a pedal, a measuring ruler, a measuring push plate and a right-angle support frame. The inner side of the side plate of the base is located at the highest point of the ladder and is provided with a slide groove vertically downward. The slide groove can be adapted to slide into the protrusion of the pedal edge. The back of the pedal is provided with a mounting positioning nut column for vertically fixing the right-angle support frame; the right-angle support frame fixes the measuring ruler in the horizontal direction, and the measuring ruler is provided with a measuring push plate that can slide parallel to the measuring ruler. The effect achieved after training is finally presented in quantification, which is not only applicable to home use, but also to urban and rural schools that have requirements for physical fitness tests.

[0011] In summary, the utility model has the following beneficial effects:

[0012] 1. The utility model forms a gradient training mode through the cooperation between the base groove and the pedal protrusion, which is suitable for users with different physical abilities;

[0013] 2. The utility model combines ergonomics, so that when the trainer is training, the legs, body and arms are in a natural stretching state, and the whole body is truly stretched;

[0014] 3. The auxiliary bending traction structure can shrink in one direction at the millimeter level, allowing users to adjust the stretching strength more freely, moderately and self-adjustably, which is safer and more comfortable;

[0015] 4. The components of the utility model are cleverly designed to form a multi-combination product that can adapt to different training requirements while achieving the measurement purpose;

[0016] 5. All parts of the utility model can be disassembled, which is convenient for packaging and carrying, does not take up extra space, and provides a better experience when disassembling, assembling and using. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the utility model;

[0018] Figure 2 It is an assembly diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the pedal structure of the utility model;

[0020] Figure 4 It is a schematic diagram of the base structure of the utility model;

[0021] Figure 5 It is a training state usage diagram of the utility model;

[0022] Figure 6 It is a training state usage change diagram of the utility model;

[0023] Figure 7 It is another schematic diagram of the implementation of the utility model;

[0024] Figure 8 This is another assembly schematic diagram of the utility model;

[0025] Fig. 9 It is a schematic diagram of the auxiliary bending traction device of the utility model;

[0026] Fig.10 It is a partial enlarged view of the auxiliary bending traction device of the utility model;

[0027] Fig.11 It is a schematic diagram of another auxiliary bending traction device of the utility model;

[0028] Fig.12 It is a schematic diagram of the ratchet device of the utility model;

[0029] Fig.13 It is a schematic diagram of the ratchet assembly of the utility model;

[0030] Fig.14 It is a schematic diagram of a simple training device of the utility model;

[0031] Fig.15 It is another schematic diagram of a simple training device of the utility model;

[0032] Fig.16 It is a schematic diagram of the forward flexion measuring device of the utility model;

[0033] Fig.17 It is a schematic diagram of the assembly of the forward flexion measuring device of the utility model;

[0034] Fig.18 It is a schematic diagram of the back side of the pedal of the present utility model.

[0035] Wherein: 1-base; 111-side plate A; 112-side plate B; 113-bottom plate; 114-groove A; 115-groove B; 116-slide A; 117-slide B; 118-base pin hole;

[0036] 2- pedal; 221- protrusion A; 222- protrusion B; 223- protrusion C; 224- protrusion D; 225- protrusion E; 226- protrusion F; 227- nut column

[0037] 3- auxiliary bending traction device; 31- left handle round tube; 32- right handle round tube; 33- contraction belt; 34- fixed end of contraction belt; 35- pin; 36- U-shaped clamp;

[0038] 331-reel; 332-one-way bearing A; 333-one-way bearing B; 334-round nut A; 335-round nut B; 336-bolt;

[0039] 4-right angle support frame; 41-measuring ruler; 42-vertical end of the right angle support frame; 43-measuring push plate; 44-fastening bolt; 45-horizontal end of the right angle support frame;

[0040] 5- pedal round tube; 6- connecting belt A; 7- connecting belt B; 8- D-shaped pedal. DETAILED DESCRIPTION

[0041] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings 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.

[0042] Embodiment 1

[0043] like Figure 1-4 A forward bending training device is shown, comprising a base 1 and a pedal 2, wherein the base comprises a bottom plate 113 and a pair of parallel and oppositely arranged side plates A111 and B112, wherein the bottom plate 113 and the side plates A111 and B112 are combined in a U-shaped cavity layout, wherein the side plates A111 or B112 are in a trapezoidal structure and are arranged in the same positive direction, and a plurality of grooves are evenly distributed along the inclined trapezoidal sides of the side plates A111 or B112, and the grooves of the two side plates are arranged in parallel and correspond to each other, and correspond to grooves A115 and B114;

[0044] The pedal 2 is a rectangular structure, and a double-foot mark is provided on the front of the pedal for standing. At least two groups of protrusions are symmetrically provided on both sides, corresponding to protrusion A221, protrusion B222; protrusion C223; protrusion D224; protrusion E225; and protrusion F226. The protrusions are adapted to the grooves of the trapezoidal inclined edges of the side panels A111 or B112.

[0045] like Figure 5 , 6 As shown, the pedal 2 is used for adaptive training at different stages by adjusting the fit between the protrusions and grooves of different heights, thereby adjusting the inclination of the pedal.

[0046] Embodiment 2

[0047] like Figure 7-10The present invention discloses a forward flexion training device, which is the same as that shown in the first embodiment, except that: one end of a contraction band 33 is fixed on the base 1 by a contraction band fixed end 34 and a pin 35, and the other end of the contraction band 33 is fixed on the auxiliary bending traction device 3, and the auxiliary bending traction device 3 comprises a left handle circular tube 31, a right handle circular tube 32, a reel 331, and a one-way bearing A332 and a one-way bearing B333. The other end of the contraction band 33 passes through a notch provided on the reel 331 through the contraction band 33, and is sleeved on a bolt 336 penetrating the axis of the reel. Fixed nuts A334 and fixed nuts B335 are provided at both ends of the reel 331 to be fixed on the reel 331. A one-way bearing A332 is fixedly sleeved on the outer side of one end of the left handle circular tube 31, and the outer surface of the one-way bearing A332 is relatively fixed to the reel 331. A one-way bearing B333 is fixedly sleeved on the outer side of one end of the right handle circular tube 32, and the outer surface of the one-way bearing B333 is relatively fixed to the reel 331.

[0048] Embodiment 3

[0049] like Figure 11-13 The forward bending training device shown is the same as that shown in the second embodiment, except that:

[0050] The one-way bearing is replaced by a ratchet device, which includes a ratchet base 337, a gear 338, a pawl block 339, a ratchet cover 341 and a rivet 342. The ratchet base 337 is in the shape of a boss. The ratchet base 337 is placed on the inner diameter of the reel 331 and is relatively fixed. The boss faces outward and is fixed with a gear 338. The ratchet cover 341 is a boss-shaped cover body with a hollow center. A pawl block 339 is provided on the inner edge of the cover body. The pawl block 339 is vertically inward at the edge of the cover body and is arranged in a triangular support shape with the spring 340. The pawl block 339 is meshed with the gear 338. A through hole is provided at the end of the boss of the ratchet base, and the ratchet cover 341 is fixed with a rivet 342.

[0051] Implementation Four

[0052] like Fig.14 , 15The simple training device shown in the figure comprises an auxiliary bending traction device 3, a contraction belt 33 and a D-shaped pedal 8. The pedal circular tube 5 is used to fix one end of the contraction belt 33 through a U-shaped buckle. The other end of the contraction belt 33 is fixed on the auxiliary bending traction device 3. The auxiliary bending traction device 3 comprises a left handle circular tube 31, a right handle circular tube 32, a reel 331 and a one-way bearing A332 and a one-way bearing B333. The other end of the contraction belt 33 passes through a notch on the reel 331 through the contraction belt 33 and is sleeved on the penetration On the bolt 336 of the reel axis, both ends of the reel 331 are provided with fixing nuts A334 and fixing nuts B335 fixed on the reel 331, the outer fixed sleeve of one end of the left handle circular tube 31 is provided with a one-way bearing A332, the outer surface of the one-way bearing A332 is relatively fixed to the reel 331, the outer fixed sleeve of one end of the right handle circular tube 32 is provided with a one-way bearing B333, the outer surface of the one-way bearing B333 is relatively fixed to the reel 331, and D-shaped pedals 8 are respectively installed at both ends of the pedal circular tube 5.

[0053] Embodiment 4

[0054] Same as in Example 3, Fig.15 The simple training device shown is different in that the contraction belt is replaced by an elastic rope or an elastic belt, which is fixed and installed by the connecting belt A6 and the connecting belt B7 respectively.

[0055] Embodiment 5

[0056] like Figure 16-18 A forward flexion measuring device is shown, comprising a base 1, a pedal 2, a measuring ruler 41, a measuring push plate 43 and a right-angle support frame 4. The inner sides of the side panels A111 and B112 of the base are respectively provided with slide grooves A116 and B117 at the highest point of the ladder, and the slide grooves can be adapted to slide into the protrusions on the edge of the pedal. The back of the pedal 2 is provided with an installation positioning nut column 227 for vertically fixing the vertical end 42 of the right-angle support frame; the horizontal end 45 of the right-angle support frame fixes the measuring ruler 41 in the horizontal direction, and the measuring ruler 41 is provided with a measuring push plate 43 that can slide parallel to the measuring ruler.

[0057] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A forward bending training device, comprising a base and a pedal, characterized in that: A base, the base comprising a bottom plate and a pair of parallel and oppositely arranged side plates, the bottom plate and the pair of side plates are combined in a U-shaped cavity layout, the side plates are trapezoidal in structure and arranged in the same forward direction, a plurality of grooves are evenly distributed along the trapezoidal inclined sides of the side plates, and the grooves of the two side plates are arranged in parallel and correspondingly; A pedal, the pedal is a rectangular structure, the front of the pedal is provided with double-foot marks for standing points, and at least two groups of protrusions are symmetrically arranged on both sides, and the protrusions are adapted to the grooves; The pedal can be used for adaptive training at different stages by adjusting the fit between the protrusions and the grooves of different heights, thereby adjusting the inclination of the pedal.

2. A forward bending training device according to claim 1, characterized in that: One end of a contraction belt or a contraction rope is fixed on the base, and the other end of the contraction belt or the contraction rope is fixed on the auxiliary bending traction device. The auxiliary bending traction device includes a left handle round tube, a right handle round tube, a reel and a one-way check device. The one-way check device can be a one-way bearing or a ratchet device. The other end of the contraction belt or the contraction rope is fixed on the reel. A one-way check device A is provided on the outer fixed sleeve of one end of the left handle round tube, and the outer surface of the one-way check device A is relatively fixed to the reel. A one-way check device B is provided on the outer fixed sleeve of one end of the right handle round tube, and the outer surface of the one-way check device B is relatively fixed to the reel. The one-way check device A and the one-way check device B are shown.

3. A forward bending training device according to claim 2, characterized in that: The ratchet device includes a ratchet base, a gear, a pawl stopper, a ratchet cover and a rivet. The ratchet base is in the shape of a boss. The ratchet base is placed on the inner diameter of the reel and is relatively fixed. The boss faces outward and is fixed with a gear. The ratchet cover is a boss-shaped cover body with a hollow center, which is used to be sleeved and matched with the ratchet base. A pawl stopper is provided on the inner edge of the cover body. The pawl stopper is vertically inward at the edge of the cover body and is arranged in a triangular support shape with a spring. The pawl stopper is meshed with the gear. A through hole is provided at the end of the boss of the ratchet base. The ratchet cover is fixed with a rivet. The ratchet cover is relatively fixed to the left and right handle round tubes.

4. A forward bending training device according to claim 2 or 3, characterized in that: The auxiliary bending traction device and the base can also be directly connected by an elastic rope or an elastic band. The auxiliary bending traction device is provided with a fixing belt between the connection points of the left handle round tube and the right handle round tube and the reel respectively. The fixing belt is provided with three round holes for fixing or hanging the elastic rope or the elastic band. The front center of the base is provided with a contraction belt fixed end, and one end of the elastic rope or elastic belt is fixed by a pin, or A fixing belt is arranged at the fixed end of the contraction belt for fixing or hanging an elastic rope or an elastic belt.

5. A forward bending training device according to claim 2 or 3, characterized in that: The other end of the contraction belt or contraction rope is fixed on the drum by passing the contraction belt or contraction rope through a notch on the drum, and being sleeved or looped on a bolt penetrating the axis of the drum, and fixing nuts are provided at both ends of the drum.

6. A forward bending training device according to claim 2 or 3, characterized in that: The outer ring of the reel is clamped with a separate protective cover for accommodating the reel and the shrink belt or shrink rope, and the left handle round tube or the right handle round tube is sleeved with foam cotton.

7. A forward flexion training device, further comprising a simple training device for assisting the bending and traction device, the simple training device comprising the assisting bending and traction device, a contraction belt or contraction rope, and a pedal, characterized in that: One end of the contraction belt or contraction rope is fixed on the auxiliary bending traction device, and the other end of the contraction belt or contraction rope is fixed to the middle of the pedal circular tube through a U-shaped clip. Both ends of the pedal circular tube are respectively installed with D-shaped pedals.

8. The forward bending training device according to claim 7, characterized in that: The auxiliary bending traction device and the pedal round tube can also be directly connected by an elastic rope or an elastic band.

9. A forward bending training device according to claim 7 or 8, characterized in that: The pedal circular tube ring in the D-shaped pedal is sleeved with foam cotton.

10. A forward flexion measuring device comprising the base and pedal of claim 1, comprising a base, a pedal, a measuring ruler, a measuring push plate and a right-angle support frame, characterized in that: A slide groove is provided vertically downward on the inner side of the base side plate at the highest point of the ladder shape, and the slide groove can be adapted to slide into the protrusion on the edge of the pedal. A mounting positioning nut column is provided on the back of the pedal for vertically fixing the right-angle support frame; the right-angle support frame fixes a measuring ruler in the horizontal direction, and a measuring push plate is provided on the measuring ruler that can slide parallel to the measuring ruler.

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