CN217501881U - Pull rope type walking power generation device - Google Patents

Abstract

The utility model discloses a stay cord type walking power generation device, which comprises a first binding module and a second binding module, wherein the first binding module is used for binding and connecting the part above the hip joint of a human body, the second binding module is used for binding and connecting the part below the knee joint of the leg of the human body, and the stay cord type walking power generation device also comprises a power generation module and a stay cord, and the power generation module is arranged on the first binding module; the power generation module comprises an energy storage transmission mechanism and a generator, and the energy storage transmission mechanism is in driving connection with a driving shaft of the generator; one end of the stay cord is connected with the energy storage transmission mechanism of the power generation module and can pull the energy storage transmission mechanism to rotate, the other end of the stay cord is fixedly connected with the second binding module, so that when the stay cord type walking power generation device is worn to walk, the second binding module can drive the energy storage transmission mechanism in the power generation module to rotate through the stay cord, and then the generator is driven to generate electric energy.

Description

Pull rope type walking power generation device

Technical Field

The utility model relates to a human walking energy recuperation and electricity generation field, concretely relates to stay cord formula walking power generation facility.

Background

In recent years, the number of field trips is continuously increased, more and more people select outdoor activities such as camping by taking a tent in the field, hiking or even desert exploration, this all has the action of field overnight wherein, and the field generally does not have a power, and the precious electric quantity that charges of hand-carrying is limited, how then to charge for light-duty consumer of low power consumption like charging lamps and lanterns, cell-phone, rechargeable intercom etc. become the problem that awaits the opportune moment and solve.

For satisfying demands such as outdoor low-power electrical apparatus illumination and wearable electronic equipment charge, it becomes especially important to develop the new method that provides portable power, has had novel wearing formula such as knee joint ectoskeleton dress to charge to equip at present, but the wearing equipment among the prior art charging effect is not good, and dresses and knee joint department, arouses uncomfortablely easily, has stronger to tie up and feels and bear a burden and feel, has also influenced joint motion's flexibility simultaneously.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stay cord formula walking power generation facility reduces the energy loss of walking in-process, turns into the electric energy that can supply the electronic equipment to use with kinetic energy through specific mechanical structure to solve outdoor low-power consumption electronic equipment and do not have the technical problem that the power can't charge.

In order to solve the technical problem, the utility model discloses a following technical scheme:

a pull rope type walking power generation device comprises a first binding module 1 and a second binding module 3, wherein the first binding module 1 is used for binding and connecting with the part above the hip joint of a human body, the second binding module 3 is used for binding and connecting with the part below the knee joint of the leg of the human body, the pull rope type walking power generation device also comprises a power generation module 2 and a pull rope 4, and the power generation module 2 is installed on the first binding module 1; the power generation module 2 comprises an energy storage transmission mechanism and a power generator 214, and the energy storage transmission mechanism is in driving connection with a driving shaft 220 of the power generator 214; one end of the pull rope 4 is connected with the energy storage transmission mechanism of the power generation module 2 and can pull the energy storage transmission mechanism to rotate, and the other end of the pull rope 4 is fixedly connected with the second binding module 3, so that when the pull rope type walking power generation device is worn to walk, the second binding module 3 can drive the energy storage transmission mechanism in the power generation module 2 to rotate through the pull rope 4, and then the generator 214 is driven to generate electric energy.

The utility model discloses a theory of operation is: power generation module 2 places in human back, and tie up module 1 and human binding through first tie, the human body is worn and is tied up rope formula walking power generation facility when walking, because first tie up module 1 and second tie up binding position of module 3 and decided that stay cord 4 can tie up under the traction of module 1 and second tie up binding module 3, it is straight and remove the crooked state of power to switch in the atress, when stay cord 4 atress is tight straight, stay cord 4 can drive the energy storage drive mechanism rotation in the power generation module 2 and hold power, when stay cord 4 is removed power and is crooked, energy storage drive mechanism release holds power and counter-rotating and drive generator 214 and produce the electric energy, and then convert the kinetic energy of human walking into the electric energy.

Preferably, the power generation module 2 further comprises a housing, and the energy storage transmission mechanism is located inside the housing and movably connected with the inner wall of the housing; the power generation end of the generator 214 is positioned outside the shell, and a driving shaft 220 of the generator 214 penetrates through the shell to be in driving connection with the energy storage transmission mechanism.

Therefore, the shell can provide acting points for all parts in the energy storage transmission mechanism, so that the energy storage transmission mechanism runs more stably, and the energy storage transmission mechanism is protected from being influenced by external environmental factors.

Preferably, the energy storage transmission mechanism comprises an output end gear 23, a duplicate gear 24, an input end gear 28 and a coil spring 211; a shell sliding groove 219 is formed in the shell, the output end gear 23 is rotatably connected with the shell, and the duplicate gear 24 is slidably connected with the shell through the shell sliding groove 219; a gear shaft 218 is fixed at the axis of the input end gear 28, and the gear shaft 218 is rotatably connected with the shell; one end of the coil spring 211 is fixedly connected with the gear shaft 218 of the input end gear 28, and the other end of the coil spring 211 is fixedly connected with the inner wall of the shell; the duplicate gear 24 comprises a large gear end and a small gear end, and the large gear end and the small gear end are fixedly connected; the pull rope 4 is fixed and wound on the gear shaft 218; when the pull rope 4 is pulled, the small gear end of the duplicate gear 24 is meshed with the input end gear 28, the large gear end of the duplicate gear 24 is not meshed with the output end gear 23, and when power is generated, the large gear end of the duplicate gear 24 is meshed with the output end gear 23 to drive the driving shaft 220 to rotate, so that the generator 214 generates electric energy.

Therefore, the movement of the duplicate gear 24 is in indefinite shaft transmission, namely when a human body wears the pull rope type walking power generation device to walk, the human body does negative work, the pull rope 4 is stressed to be straightened at the moment, the coil spring 211 stores elastic potential energy, the duplicate gear 24 slides towards the direction far away from the output end gear 23 at the moment, the duplicate gear 24 is not meshed with the output end gear 23, the input end gear 28 and the duplicate gear 24 only rotate under the driving of the pull rope 4, the human body walks more laborsavingly, and the sense of negative load is reduced; when the pulling rope 4 is bent by the withdrawal force, the coil spring 211 releases the elastic potential energy, and the duplicate gear 24 slides to the output end gear 23 and is meshed with the output end gear 23, so as to drive the generator 214 to generate electric energy.

Preferably, a grooved pulley 216 is arranged on the gear shaft 218, a wire hole 217 is arranged on the grooved pulley 216, and the pull rope 4 is fixed in the wire hole 217 and wound in the grooved pulley 216; one end of the gear shaft 218, which is far away from the winding slot, is fixed with one end of the coil spring 211.

Therefore, the process that the pulling rope 4 winds out of or around the grooved pulley 216 can be smoother, and the phenomenon of wire falling is prevented.

Preferably, the energy storage transmission mechanism further includes a partition plate 25, a sliding slot 215 is formed in the partition plate, the large gear end and the small gear end of the duplicate gear 24 are distributed on two sides of the partition plate 25, and the small gear end located on the duplicate gear 24 can slide in the sliding slot 215.

When stay cord 4 is pulled, duplicate gear 24 and output gear 23 do not mesh, during the electricity generation, duplicate gear 24's pinion end slides in the spout, it slides to drive big gear end, make duplicate gear 24's big gear end and output gear 23 mesh, and then drive the generator and rotate and generate electricity, can make duplicate gear 24's sliding motion more steady like this, its big gear end and output gear 23 break away from with the process of meshing more accurate, duplicate gear 24's big gear end breaks away from output gear 23 when stay cord 4 atress, can reduce mechanical moving resistance, energy consumption when reducing the human walking, improve the generating efficiency.

Preferably, the housing of the power generation module 2 comprises a first housing 21, a second housing 213 and a housing connection ring 210, the housing sliding groove 219 is opened on the first housing 21, the first housing 21 is detachably connected with the first tie-up module 1, and the first housing 21 is fixedly connected with the second housing 213 through the connection ring 210.

Thus, the internal parts can be conveniently detached and replaced, or the whole power generation module 2 can be conveniently detached for maintenance or replacement.

Preferably, the power generation module 2 is further provided with a bearing roller 29, the bearing roller 29 is mounted to the second housing 213 by a snap rivet, and a roller notch of the bearing roller 29 is aligned with a notch of the input gear 28. The purpose of the pair of rollers is to keep the moving track of the rope 4 stable.

Preferably, there is a buckle design on the surface of first shell 21 of power generation module 2, and power generation module 2 is through hanging the buckle and tie up the module 1 and can dismantle the connection with first.

Preferably, the second tie-up module 3 comprises a buckle strap 31, a buckle 32 and a tie-up sleeve 34; the pull rope 4 is fixedly connected with the binding sleeve 34, the buckle belt 31 and the buckle 32 are respectively fixed on two sides of the binding sleeve 34, and the buckle belt 31 and the buckle 32 can be buckled. This enables the second tie-up module 3 to be more stably connected with the human body.

Preferably, two output end gears 23 and two duplicate gears 24 matched with the output end gears 23 are arranged in the power generation module 2, pull ropes 4 are respectively fixed on the two output end gears 23, and the two output end gears 4 are respectively fixedly connected with the two second binding modules 3. Therefore, the generator can generate power when the user walks with two legs, and the power generation efficiency is improved.

The technical scheme of the utility model following beneficial effect has:

1. the utility model discloses a to the collection of partial kinetic energy during walking, with this kinetic energy effectual conversion electric energy for the use of low-power electronic equipment.

2. The utility model discloses a non-dead axle gear drive makes the generator turn to all the time towards a direction, promotes the generating efficiency.

3. The utility model discloses place power generation module in human back to bind it with the human body through waistband or braces, reduce human burden and feel, it is rotatory to drive the gear through the stay cord, increased the flexibility of knee joint motion.

4. The utility model discloses it is convenient comfortable to dress, is fit for hand-carrying in outdoor activities.

Drawings

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail with reference to the accompanying drawings, in which:

fig. 1 is an overall assembly drawing of the present invention.

Fig. 2 is a schematic diagram of main components of the power generation module of the present invention.

Fig. 3 is an exploded view of the power generation module of the present invention.

Fig. 4 is a schematic diagram of the transmission state of the power generation module of the present invention.

Fig. 5 is an exploded view of a second tie-up module of the present invention.

Fig. 6 is a schematic view of the output gear structure of the present invention.

Fig. 7 is a schematic view of a harness of the present invention.

Fig. 8 is a schematic view of a second binding module worn on an ankle of the present invention.

Description of reference numerals: 1. a first tie-up module; 11. a waistband; 12. a harness; 2. a power generation module; 21. a first housing; 22. a gear bearing; 23. an output end gear; 24. a duplicate gear; 25. a partition plate; 26. a one-way bearing; 27. a motor bearing; 28. an input end gear; 29. a bearing roller; 210. a shell connecting ring; 211. a coil spring; 212. a bearing loading plate; 213. a second housing; 214. a generator; 215. a chute; 216. a grooved wheel; 217. a wire hole; 218. a gear shaft; 219. a housing chute; 220. a drive shaft; 31. a buckle belt; 32. buckling; 33. a flexible gasket; 34. a binding sleeve; 35. a pull rope adjuster; 4. and pulling a rope.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the following description is made in detail with reference to the accompanying drawings.

The to-be-solved technical problem of the utility model is that outdoor low-power consumption electronic equipment does not have the technical problem that the power can't charge.

As shown in fig. 1, based on the technical problems to be solved, the utility model discloses a guyed walking power generation device, which comprises a first binding module 1 and a second binding module 3, wherein the first binding module 1 is used for binding and connecting with the part above the hip joint of the human body, the second binding module 3 is used for binding and connecting with the part below the knee joint of the leg of the human body, and the guyed walking power generation device also comprises a power generation module 2 and a guyed rope 4, and the power generation module 2 is arranged on the first binding module 1; the power generation module 2 comprises an energy storage transmission mechanism and a power generator 214, and the energy storage transmission mechanism is in driving connection with a driving shaft 220 of the power generator 214; one end of the pull rope 4 is connected with the energy storage transmission mechanism of the power generation module 2 and can pull the energy storage transmission mechanism to rotate, the other end of the pull rope 4 is fixedly connected with the second binding module 3, so that when the pull rope type walking power generation device is worn to walk, the second binding module 3 can drive the energy storage transmission mechanism in the power generation module 2 to rotate through the pull rope 4, and then the power generator 214 is driven to generate electric energy.

The utility model discloses in generator 214 is DC generator.

The utility model discloses a theory of operation is: power generation module 2 places in human back, and tie up module 1 and human binding through first tie, the human body is worn and is tied up rope formula walking power generation facility when walking, because first tie up module 1 and second tie up binding position of module 3 and decided that stay cord 4 can tie up under the traction of module 1 and second tie up binding module 3, it is straight and remove the crooked state of power to switch in the atress, when stay cord 4 atress is tight straight, stay cord 4 can drive the energy storage drive mechanism rotation in the power generation module 2 and hold power, when stay cord 4 is removed power and is crooked, energy storage drive mechanism release holds power and counter-rotating and drive generator 214 and produce the electric energy, and then convert the kinetic energy of human walking into the electric energy.

Preferably, the power generation module 2 further comprises a housing, and the energy storage transmission mechanism is located inside the housing and movably connected with the inner wall of the housing; the power generation end of the generator 214 is positioned outside the shell, and a driving shaft 220 of the generator 214 penetrates through the shell to be in driving connection with the energy storage transmission mechanism.

Therefore, the shell can provide acting points for all parts in the energy storage transmission mechanism, so that the energy storage transmission mechanism runs more stably, and the energy storage transmission mechanism is protected from being influenced by external environmental factors.

Preferably, as shown in fig. 2 to 3, the energy storage transmission mechanism comprises an output gear 23, a duplicate gear 24, an input gear 28 and a coil spring 211; the shell is provided with a shell sliding groove 219, the output end gear 23 is rotatably connected with the shell, and the duplicate gear 24 is slidably connected with the shell through the shell sliding groove 219; a gear shaft 218 is fixed on the axis of the input end gear 28, and the gear shaft 218 is rotationally connected with the shell; the purpose of fixing the gear shaft 218 to the input gear 28 is to reduce the overall weight and to reduce the assembly steps; one end of the coil spring 211 is fixedly connected with the gear shaft 218 of the input end gear 28, and the other end of the coil spring 211 is fixedly connected with the inner wall of the shell; the duplicate gear 24 comprises a large gear end and a small gear end, and the large gear end and the small gear end are fixedly connected and can drive the duplicate gear to rotate in the same direction; the pull rope 4 is fixed and wound on the gear shaft 218; when the pull rope 4 is pulled, the small gear end of the duplicate gear 24 is meshed with the input end gear 28, the large gear end of the duplicate gear 24 is not meshed with the output end gear 23, and when power is generated, the large gear end of the duplicate gear 24 is meshed with the output end gear 23 to drive the driving shaft 220 to rotate, so that the generator 214 generates electric energy.

Therefore, the movement of the duplicate gear 24 is in indefinite shaft transmission, namely when a human body wears the pull rope type walking power generation device to walk, the human body does negative work, the pull rope 4 is stressed to be straightened at the moment, the coil spring 211 stores elastic potential energy, the duplicate gear 24 slides towards the direction far away from the output end gear 23 at the moment, the duplicate gear 24 is not meshed with the output end gear 23, the input end gear 28 and the duplicate gear 24 only rotate under the driving of the pull rope 4, the human body walks more laborsavingly, and the sense of negative load is reduced; when the pulling rope 4 is bent by the withdrawing force, the coil spring 211 releases the elastic potential energy, and the duplicate gear 24 slides to the output end gear 23 and is meshed with the output end gear 23, so as to drive the generator 214 to generate electric energy.

The specific process of power generation is that the pull rope 4 is pulled and in a stretched state, so as to drive the gear shaft 218 to rotate, and the gear 218 further drives the input end gear 28 to rotate anticlockwise; meanwhile, the gear 218 drives the coil spring 211 to be tightened so that elastic potential energy is provided; meanwhile, the pinion end of the dual gear 24 meshed with the input end gear 28 rotates clockwise, so as to drive the dual gear 24 to slide in the sliding groove 215, move in the direction away from the output end gear 23 and disengage from the output end gear 23, when the pull rope 4 is no longer stressed and is in a loose state, the coil spring 211 releases the elastic potential energy of the dual gear, and drives the input end gear 28 to rotate clockwise, so as to drive the dual gear 24 to move in the direction close to the output end gear 23 until the dual gear is meshed with the output end gear 23, the coil spring 211 continues to release the elastic potential energy, the input end gear 28 continues to rotate clockwise, and then the dual gear 24 is driven to rotate counterclockwise, so as to drive the output end gear 23 to rotate clockwise, and finally the driving shaft 220 is driven to rotate, so that the generator 214 generates electric energy.

Preferably, as shown in fig. 6, a grooved pulley 216 is arranged on the gear shaft 218, a wire hole 217 is arranged on the grooved pulley 216, and the pull rope 4 is fixed in the wire hole 217 and wound in the grooved pulley 216; one end of the gear shaft 218, which is far away from the winding slot, is fixed with one end of a coil spring 211. Therefore, the process that the pulling rope 4 winds out of or around the grooved pulley 216 can be smoother, and the phenomenon of wire falling is prevented.

Preferably, as shown in fig. 3, the energy storage transmission mechanism further includes a partition 25, a sliding slot 215 is formed in the partition, the large gear end and the small gear end of the dual gear 24 are distributed on two sides of the partition 25, and the small gear end of the dual gear 24 can slide in the sliding slot 215.

When stay cord 4 is pulled, duplicate gear 24 and output gear 23 do not mesh, during the electricity generation, duplicate gear 24's pinion end slides in the spout, it slides to drive big gear end, make duplicate gear 24's big gear end and output gear 23 mesh, and then drive the generator and rotate and generate electricity, can make duplicate gear 24's sliding motion more steady like this, its big gear end and output gear 23 break away from with the process of meshing more accurate, duplicate gear 24's big gear end breaks away from output gear 23 when stay cord 4 atress, can reduce mechanical moving resistance, energy consumption when reducing the human walking, improve the generating efficiency.

In specific implementation, as shown in fig. 3, the partition plate 25 is further used for fixing each gear in the energy storage transmission mechanism, specifically, two ends of the gear shaft 218 of the input end gear 28 are respectively provided with a gear bearing 22, and the gear bearings 22 are respectively in interference fit with the housing and the partition plate 25; the duplicate gear 24 both ends are equipped with gear bearing 22 respectively, and with gear bearing 22 interference fit, gear bearing 22 and shell spout 219 transitional fit.

As shown in fig. 3, the housing of the power generation module 2 includes a first housing 21, a second housing 213, and a housing connection ring 210, a housing sliding groove 219 is opened on the first housing 21, the first housing 21 is detachably connected to the first tie-up module 1, and the first housing 21 is fixedly connected to the second housing 213 through the connection ring 210. Thus, the internal parts can be conveniently detached and replaced, or the whole power generation module 2 can be conveniently detached for maintenance or replacement.

In specific implementation, as shown in fig. 3, the power generation module 2 further includes a bearing loading plate 212, the power generator 214 is coaxially matched with the second housing 213 and is connected to the bearing loading plate 212 through a screw, the driving shaft 220 is further equipped with a one-way bearing 26 and two motor bearings 27, the one-way bearing 26 is in interference fit with the output end gear 23, and the two motor bearings 27 are in interference fit with the bearing loading plate 212 and the partition plate 25 respectively.

Preferably, as shown in fig. 3, the first housing 21 of the power generation module 2 has a hook design, and the power generation module 2 is detachably connected to the first binding module 1 through the hook.

Preferably, as shown in fig. 3, the gear bearings 22 of the dual gear 24 are in transition fit with the bearing carrier plate 212 and the housing slide groove 219, respectively. Therefore, the sliding motion of the duplicate gear 24 is more stable, the process of separation and engagement of the large gear end and the output end gear 23 is more accurate, the resistance of mechanical operation is reduced, the energy consumption of a human body during walking is reduced, and the power generation efficiency is improved.

Preferably, as shown in fig. 3, the power generation module 2 is further provided with a bearing roller 29, the bearing roller 29 is mounted to the second housing 213 by a snap rivet, and a roller notch of the bearing roller 29 is aligned with a notch of the input gear 28, which is a pair of rollers for keeping the moving track of the rope 4 stable.

Preferably, as shown in fig. 1, the first binding module 1 is a waist belt 11, and the waist belt 11 is bound to the waist of the human body to prevent the waist belt 11 from slipping down to the legs by the blocking action of the hip joint, so that the load feeling and the constraint feeling of the device can be reduced.

Preferably, as shown in fig. 7, the first tie-up module 1 is a shoulder strap 12, and the shoulder strap 12 is worn on the shoulder and back of the human body to prevent the shoulder strap 12 from slipping down to the leg under the action of the shoulder joint, so that the load and constraint feeling of the device can be greatly reduced; in addition, the straps 12 can also be combined with a conventional backpack to reduce the number and weight of the human body wear.

In specific implementation, the first binding module 1 is not limited to a belt or a strap, and may be bound to a part above the hip joint of the human body.

Preferably, as shown in fig. 5, the second tie-up module 3 comprises a buckle strap 31, a buckle 32 and a tie-up sheath 34; the pull rope 4 is fixedly connected with the binding sleeve 34, the buckle belt 31 and the buckle 32 are respectively fixed on two sides of the binding sleeve 34, and the buckle belt 31 and the buckle 32 can be buckled. This enables the second tie-up module 3 to be more stably connected with the human body.

In specific implementation, as shown in fig. 5, the second binding module 3 is bound to the foot of the human body, and in order to make the connection between the second binding module 3 and the foot more stable, a pull rope adjuster 35 is further disposed at the bottom of the binding sleeve 34 for adjusting the length of the pull rope 4 and the pre-tightening degree of the pull rope 4 so as to adapt to different leg lengths; the binding sleeve 34 is made of TPU flexible materials through 3D printing, the stay cord adjuster 35 is installed on the rear side and the outer side of the binding sleeve through strong glue, a flexible gasket 33 is further arranged between the stay cord adjuster 35 on the rear side of the binding sleeve and the binding sleeve 34, the direction of the stay cord adjuster on the rear side of the binding sleeve is convenient to adjust, the stay cord adjuster on the rear side of the binding sleeve is used for adjusting the length of the stay cord 4, and the stay cord adjuster on the outer side of the binding sleeve is used for adjusting the pre-tightening degree of the stay cord 4 to play a role of binding; the pull rope adjuster outside the binding sleeve is also provided with a wear-resistant pull rope as a binding piece for the sole of a foot, so that the sole of the foot does not feel strange when a user walks. Buckle 32 is installed in tying up the cover inboard through the screw, detains area 31 and installs in tying up the cover outside through the screw, detains area and buckle cooperation and plays to tie up the effect and adjustable wearing elasticity degree.

During the concrete implementation, as shown in fig. 8, the second is tied up and is tied up module 3 and can also be tied up in human ankle joint department, and the stay cord that the stay cord adjuster 35 in the tie up and tie up the cover outside on sets up in tie up the cover rear side, and this moment, detains area 31 and buckle 32 and all sets up 2 groups, makes the second tie up and tie up module 3 and can be connected more firmly with ankle joint, and the increase is to the lifting surface area when human applied pressure simultaneously, makes human wearing more comfortable. The rest structures of the second binding module 3 bound to the ankle joint of the human body are the same as those of the second binding module 3 bound to the foot, and are not described again.

Preferably, the pull rope 4 is made of nylon, and the pull rope type traveling power generation device can achieve a power generation function and prolong the service life by utilizing the characteristics of softness and durability of the nylon.

Preferably, the power generation module 2 is provided with two output end gears 23 and two duplicate gears 24 matched with the output end gears 23, the two output end gears 23 are respectively fixed with the pull ropes 4, and the two pull ropes 4 are respectively fixedly connected with the two second binding modules 3. Therefore, the generator can generate power when the user walks with two legs, and the power generation efficiency is improved.

The comprehensive invention principle of the utility model is as follows: partial kinetic energy generated when a human body walks is collected through the coil spring and converted into elastic potential energy, the elastic potential energy is converted into kinetic energy through the release of the elastic potential energy, the generator is driven to generate electricity through an indefinite shaft transmission mode, and finally the kinetic energy is converted into electric energy.

Specifically, when a person wears the device, the power generation module 2 is placed on the back of the waist of the person and is bound with the person through the first binding module 1, and when legs are in an upright static state, the left and right coil springs 211 of the device are all in an energy storage state (a contraction state) under the driving of the stay cord. When a person moves forward, the left leg is supposed to be firstly taken out, the left leg is firstly taken out and bent and lifted, the pull rope is in a loosening stage, the coil spring 211 drives the input end gear to rotate, and the duplicate gear 24 moves towards the direction close to the output end gear 23 along the sliding groove 215 by virtue of the axial force generated when the person is transmitted with the duplicate gear 24 until the duplicate gear 24 is simultaneously meshed with the input end gear and the output end gear 23 for transmission. The left leg touches the ground and is pedaled backwards to be straightened, at the moment, the pull rope is in a tightening stage, the coil spring 211 is restored to an energy storage state and drives the input end gear to rotate reversely, and the duplicate gear 24 is moved towards the direction far away from the output end gear 23 along the sliding groove 215 by the axial force when being transmitted with the duplicate gear 24 until the duplicate gear is disengaged from the output end gear 23. When the left leg and the right leg are stepped out and extended, the operation principle of the device is the same and does not interfere with each other, and the rotation direction of the output end gear 23 is constant. Therefore, the left leg and the right leg can alternately drive the direct current motor to rotate in the advancing process of a person, and then power is generated.

The utility model discloses a power generation process does:

as shown in fig. 4, in the knee extension link during walking, the lower leg swings forward relative to the upper leg, at this stage, the knee joint performs negative work, the lower leg mechanism drives the gear shaft 218 to rotate, and further compresses the coil spring 211 to accumulate elastic potential energy, and at the same time, the small gear end of the dual gear 24 meshed with the input end gear 28 rotates clockwise, and further drives the dual gear 24 to slide in the sliding groove 215, and move in a direction away from the output end gear 23, and disengage from the output end gear 23, when the pull rope 4 is no longer stressed in a relaxed state, the coil spring 211 releases its elastic potential energy, and drives the input end gear 28 to rotate clockwise, and further drives the dual gear 24 to move in a direction close to the output end gear 23 until meshing with the output end gear 23, the coil spring 211 continues to release the elastic potential energy, the input end gear 28 continues to rotate clockwise, and further drives the dual gear 24 to rotate counterclockwise, and further drives the output end gear 23 to rotate clockwise, and finally drives the driving shaft 220 to rotate, so that the generator 214 generates electric energy. The direction A, C in the figure is the moving direction of the duplicate gear 24 under the radial force, the direction B, D is the direction of the clockwise rotation of the gear 28 when the coil spring 211 releases the energy, and the direction E is the rotation direction of the output end gear 23.

In the knee bending link in the walking process, the lower leg swings backwards relative to the thigh, in the knee bending link, the lower leg mechanism drives the duplicate gear 24 and the input end gear 28 to rotate reversely, meanwhile, elastic potential energy stored in the knee extending link is released to assist the knee bending of the joint and provide assistance for walking of people, in the process, the duplicate gear 24 and the output end gear 23 are not meshed and can rotate relatively, and therefore the input end gear 28 rotating reversely only drives the grooved pulley 216 to rotate, and excessive kinetic energy cannot be consumed due to friction.

In the knee joint bending link, the collected kinetic energy assists the knee joint to move, and the process is continuously repeated in the walking process to realize the functions of energy collection and assistance.

Adopt the utility model discloses a stay cord formula walking power generation facility has following technological effect: the utility model effectively converts the kinetic energy into electric energy for the low-power electronic equipment to use by collecting the kinetic energy of the partial kinetic energy during walking; the utility model makes the generator turn in one direction all the time through the transmission of the non-fixed shaft gear, thereby improving the generating efficiency; the utility model places the power generation module on the waist and back of the human body, and binds the power generation module with the human body through the belt or the braces, thereby reducing the load sense of the human body, and the pull rope drives the gear to rotate, thereby increasing the flexibility of the knee joint movement; the utility model discloses it is convenient comfortable to dress, is fit for hand-carrying in outdoor activities.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the invention. In light of the teachings of the present invention, these features and specific embodiments/examples can be modified to adapt to particular situations and materials without departing from the spirit and scope of the present invention. The embodiments/examples described herein are illustrative of some, but not all embodiments/examples of the invention. The components of embodiments of the present invention, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of specific embodiments/examples of the invention provided in the accompanying drawings is not intended to limit the scope of the invention as claimed, but is merely representative of selected embodiments/examples of the invention. Therefore, the present invention is not limited by the embodiments disclosed herein, and all other embodiments obtained by a person of ordinary skill in the art without any creative work belong to the protection scope of the present invention.

Claims (10)

1. A pull rope type walking power generation device is characterized by comprising a first binding module (1) and a second binding module (3), wherein the first binding module (1) is used for being bound and connected with a part above a hip joint of a human body, the second binding module (3) is used for being bound and connected with a part below a knee joint of a leg of the human body, the pull rope type walking power generation device further comprises a power generation module (2) and a pull rope (4), and the power generation module (2) is installed on the first binding module (1); the power generation module (2) comprises an energy storage transmission mechanism and a power generator (214), and the energy storage transmission mechanism is in driving connection with a driving shaft (220) of the power generator (214); one end of the pull rope (4) is connected with an energy storage transmission mechanism of the power generation module (2) and can be pulled to rotate the energy storage transmission mechanism, the other end of the pull rope (4) is fixedly connected with the second binding module (3), so that when the pull rope type walking power generation device is worn to walk, the second binding module (3) can drive the energy storage transmission mechanism in the power generation module (2) to rotate through the pull rope (4), and then the generator (214) is driven to generate electric energy.

2. The pull-rope type walking power generation device according to claim 1, wherein the power generation module (2) further comprises a housing, and the energy storage transmission mechanism is positioned inside the housing and movably connected with the inner wall of the housing; the power generation end of the generator (214) is positioned outside the shell, and a driving shaft (220) of the generator (214) penetrates through the shell to be in driving connection with the energy storage transmission mechanism.

3. The pull-rope-type walking power generation device according to claim 2, wherein the energy-storage transmission mechanism comprises an output end gear (23), a duplicate gear (24), an input end gear (28) and a coil spring (211); the shell is provided with a shell sliding groove (219), the output end gear (23) is rotatably connected with the shell, and the duplicate gear (24) is slidably connected with the shell through the shell sliding groove (219); a gear shaft (218) is fixed on the axis of the input end gear (28), and the gear shaft (218) is rotationally connected with the shell; one end of the coil spring (211) is fixedly connected with a gear shaft (218) of the input end gear (28), and the other end of the coil spring (211) is fixedly connected with the inner wall of the shell; the duplicate gear (24) comprises a large gear end and a small gear end, and the large gear end and the small gear end are fixedly connected; the pull rope (4) is fixed and wound on the gear shaft (218); when the pull rope (4) is pulled, the small gear end of the duplicate gear (24) is meshed with the input end gear (28), the large gear end of the duplicate gear (24) is not meshed with the output end gear (23), and during power generation, the large gear end of the duplicate gear (24) is meshed with the output end gear (23) to drive the driving shaft (220) to rotate, so that the power generator (214) generates electric energy.

4. The pull-rope type walking power generation device according to claim 3, characterized in that a sheave (216) is arranged on the gear shaft (218), a wire hole (217) is arranged on the sheave (216), and the pull rope (4) is fixed in the wire hole (217) and wound in the sheave (216); one end of the gear shaft (218) far away from the winding slot is fixed with one end of a coil spring (211).

5. The pull-rope type walking power generation device according to claim 3, wherein the energy storage transmission mechanism further comprises a partition plate (25), a sliding groove (215) is formed in the partition plate, the large gear end and the small gear end of the duplicate gear (24) are distributed on two sides of the partition plate (25), and the small gear end of the duplicate gear (24) can slide in the sliding groove (215).

6. The pull-rope type walking power generation device according to claim 3, characterized in that the housing of the power generation module (2) comprises a first housing (21), a second housing (213) and a housing connection ring (210), the housing sliding groove (219) is opened on the first housing (21), the first housing (21) is detachably connected with the first binding module (1), and the first housing (21) is fixedly connected with the second housing (213) through the connection ring (210).

7. The pull-cord type walking power generation device according to claim 6, wherein the power generation module (2) is further provided with a bearing roller (29), the bearing roller (29) is mounted on the second housing (213) through a snap-rivet, and a roller notch of the bearing roller (29) is aligned with a notch of the input end gear (28).

8. The pull-rope type walking power generation device according to claim 6, characterized in that the surface of the first housing (21) of the power generation module (2) is provided with a hanging buckle design, and the power generation module (2) is detachably connected with the first binding module (1) through the hanging buckle.

9. A pull-rope walking power generation device according to claim 1, characterized in that the second harnessing module (3) comprises a buckle strap (31), a buckle (32) and a harnessing sleeve (34); the pull rope (4) is fixedly connected with the binding sleeve (34), the buckling belt (31) and the buckle (32) are respectively fixed on two sides of the binding sleeve (34), and the buckling belt (31) and the buckle (32) can be buckled.

10. The pull-rope type walking power generation device according to claim 3, characterized in that two output end gears (23) and two duplicate gears (24) matched with the output end gears (23) are arranged in the power generation module (2), the two output end gears (23) are respectively fixed with pull ropes (4), and are respectively fixedly connected with the two second binding modules (3) through the two pull ropes (4).

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