CN207785449U - Waist and lower limb combined type stretching device - Google Patents

Abstract

A compound stretching exerciser for waist and lower limbs, comprising a seat structure, a horizontal split mechanism for horizontal splits, a knee bending mechanism for seated knee bending, a body forward bending mechanism for seated body forward bending, and a power assembly, The power assembly includes a lead screw transmission mechanism for driving the horizontal split mechanism, a knee bending transmission mechanism for driving the knee bending mechanism, and a rack transmission mechanism for driving the body forward bending mechanism; the horizontal split mechanism includes a leg resting frame And the thigh board and the lower leg board installed on the leg resting frame, the rear end of the thigh board is hinged with the rear end of the leg resting frame, the front end of the thigh board is hinged with the rear end of the lower leg board, and the lower leg board Arranged forward and downward. The utility model provides a compound stretching exerciser for waist and lower limbs which is small in size, low in price, convenient and difficult for moving people to exercise multiple body parts.

Description

Compound stretching exerciser for waist and lower limbs

technical field

The utility model relates to the technical field of exercise devices, in particular to a composite stretching exercise device for the waist and lower limbs.

Background technique

In recent years, with the continuous improvement of medical care, the average life expectancy of the population has continued to increase, and the elderly population has increased significantly. According to data, the number of patients who need to rest in bed due to hemiplegia and disability is increasing rapidly. It can be seen that there is a huge market for rehabilitation machines for bedridden patients and the elderly. Because these people are not easy to move, they have many parts that are prone to rigidity and atrophy to exercise.

Contents of the invention

In order to overcome the defect that the existing exerciser is not suitable for bedridden people, the utility model provides a compound stretching exerciser for the waist and lower limbs that is small in size, low in price, convenient and difficult to move for people who exercise multiple body parts.

The technical scheme that the utility model solves its technical problem adopts is:

A compound stretching exerciser for waist and lower limbs, comprising a seat structure, a horizontal split mechanism for horizontal splits, a knee bending mechanism for seated knee bending, a body forward bending mechanism for seated body forward bending, and a power assembly, The power assembly includes a lead screw transmission mechanism for driving the horizontal split mechanism, a knee-bending transmission mechanism for driving the knee-bending mechanism, and a rack transmission mechanism for driving the body forward-bending mechanism;

The seat structure includes a seat frame and a seat cushion, and the seat cushion is arranged on the seat frame;

The horizontal split mechanism includes a leg resting frame and a thigh board and a calf board installed on the leg resting frame, the rear end of the thigh board is hinged to the rear end of the leg resting frame, and the front end of the thigh board is connected to the calf board The rear end is hinged, the calf plate is arranged obliquely forward and downward, and there are two horizontal split mechanisms, which are the left horizontal split mechanism for the left leg horizontal split and the right horizontal split mechanism for the right leg horizontal split , the body forward bending mechanism is located in front of the seat structure, the left horizontal split mechanism and the right horizontal split mechanism are respectively located on the left and right sides of the body forward bending mechanism; the legs of the left leg horizontal split mechanism rest The rear end of the frame is hinged with the front left side of the seat frame through a hinge; the rear end of the leg resting frame of the right leg horizontal split mechanism is hinged with the front right side of the seat frame through a hinge;

The lead screw transmission mechanism includes a lead screw, a lead screw nut, a left connecting rod and a right connecting rod. The rear end of the rod is rotatably installed on the bottom of the seat frame and connected with the screw drive motor. The screw nut is sleeved on the front end of the screw. The screw nut is hinged, the rear end of the left connecting rod is hinged with the rear end bottom of the leg resting frame of the left leg horizontal split mechanism, and the rear end of the right connecting rod is hinged with the leg of the right leg horizontal split mechanism. The bottom hinge of the rear end of the shelving frame;

The knee bending mechanism includes a first optical axis, a first slide block and a push rod for pushing the calf board backward, the first optical axis is arranged front and rear and installed on the inner side of the leg resting frame, the push rod is located on the The front side of the lower leg board, the push rod is mounted on the first optical axis through the first slider to slide back and forth; the first slider is connected to the knee-bending transmission mechanism;

The body bending mechanism includes a body bending frame and a second optical axis, a handle plate and a handle installed on the body bending frame. The legs of the splitting mechanism are placed between the frames and connected with the front end of the seat frame, the second optical axis is arranged front and rear, the handle is fixed on the top surface of the front end of the handle plate, and the handle plate can be moved back and forth through the second slide block. Slidingly mounted on the second optical axis;

The rack transmission mechanism includes a rack, a gear and a first rotating shaft, the rack is mounted front and rear on the bottom of the handle plate, the first rotating shaft is arranged left and right, and the first rotating shaft is located below the second optical axis And rotatably installed on the body flexion frame, the gear is installed on the first rotating shaft and is located below the handle plate, the rack is meshed with the gear, and the first rotating shaft and the first rotating shaft drive Institutional connections.

Further, the knee-bending transmission mechanism includes a first auxiliary bevel gear, a second rotating shaft, a first electromagnetic clutch, a first driving synchronous pulley, a third rotating shaft, a first driven synchronous pulley, a second driven synchronous pulley, The third driven synchronous pulley, the fourth rotating shaft, the fourth driven synchronous pulley, the fifth rotating shaft, the first sprocket, the second sprocket and the sixth rotating shaft, the second rotating shaft and the third rotating shaft are vertically vertical Arranged straight and rotatably installed on the seat frame, the first auxiliary bevel gear is installed on the upper end of the second rotating shaft, the lower end of the second rotating shaft is connected with the upper end of the third rotating shaft through the first electromagnetic clutch, the The first driving synchronous pulley is installed on the third rotating shaft, and the fourth rotating shaft is arranged vertically up and down and is rotatably installed on the rear end of the body flexion frame. The first driven synchronous pulley, the second driven synchronous pulley Both the driven synchronous pulley and the third driven synchronous pulley are installed on the fourth rotating shaft, the second driven synchronous pulley is located below the first driven synchronous pulley, and the third driven The synchronous pulley is located above the first driven synchronous pulley, and the first driving synchronous pulley is connected with the first driven synchronous pulley through a synchronous belt; the fifth rotating shaft is vertically arranged up and down and can be Rotatingly installed on the body flexion frame, the rear ends of the left and right sides of the body flexion frame are respectively provided with the fifth rotating shaft, and the fourth driven synchronous pulley is installed on the lower end of the fifth rotating shaft, The second driven synchronous pulley is connected to the fourth driven synchronous pulley on the left side of the body flexion frame through a synchronous belt, and the third driven synchronous pulley is connected to the fourth driven synchronous pulley on the right side of the body flexion frame through a synchronous belt. Four driven synchronous pulleys are connected; the upper end of the fifth rotating shaft is equipped with the first sprocket, the sixth rotating shaft is vertically arranged up and down and rotatably installed on the body flexion frame, and the body flexion The front ends of the left and right sides of the frame are respectively provided with the sixth rotating shaft, the second sprocket is installed on the upper end of the sixth rotating shaft, the first sprocket is connected with the second sprocket through a chain, and the chain It is fixedly connected with the lower end of the connecting rod, and the upper end of the connecting rod is arranged in front of the first slider and is in contact with the first slider; Rod dislocation arrangement;

The driving mechanism of the first rotating shaft includes a second auxiliary bevel gear, a seventh rotating shaft, a second electromagnetic clutch, a second driving synchronous pulley, an eighth rotating shaft and a fifth driven synchronous pulley, the seventh rotating shaft, the eighth rotating shaft The shafts are horizontally arranged left and right and are rotatably mounted on the seat frame. The second secondary bevel gear is mounted on the right end of the seventh shaft, and the left end of the seventh shaft is connected to the right end of the eighth shaft through a second electromagnetic clutch. The second driving synchronous pulley is installed on the eighth rotating shaft, the fifth driven synchronous pulley is installed on the first rotating shaft, and the two driving synchronous pulleys are connected with the fifth driven synchronous belt through a synchronous belt. wheel connection;

The first auxiliary bevel gear and the second auxiliary bevel gear are all meshed with the main bevel gear, the main bevel gear is installed at the front end of the main shaft, and the main driving motor is connected with the rear end of the main shaft through a motor coupling.

Still further, the power assembly also includes a single-chip microcomputer, a horizontal split switch, a seated knee bend switch and a seated body flexion switch, and the horizontal split switch, a seated knee bend switch and a seated body flexed switch are all connected to the single chip microcomputer The single-chip microcomputer is respectively connected with the screw drive motor, the main drive motor, the first electromagnetic clutch and the second electromagnetic clutch.

The beneficial effects of the utility model are mainly manifested in: small size and low price; it provides convenience for rehabilitation exercises of bedridden people, and at the same time reduces the burden on family members and nursing staff, and is automatic, safe and efficient.

Description of drawings

Fig. 1 is the overall schematic diagram of the utility model.

Fig. 2 is a schematic diagram of the supporting frame of the present invention.

Fig. 3 is a schematic diagram of the screw transmission mechanism of the present invention.

Fig. 4 is a schematic diagram of the knee-bending transmission mechanism of the present invention.

Fig. 5 is a schematic diagram of the rack transmission mechanism of the present invention.

Fig. 6 is the arrangement diagram between the push rod on the leg resting frame of the left leg horizontal split mechanism and the push rod on the leg rest frame of the right leg horizontal split mechanism.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described.

Referring to Figures 1 to 6, a compound stretching exerciser for the waist and lower limbs, including a seat structure 1, a horizontal split mechanism for horizontal splits, a knee bending mechanism 4 for sitting knees, and a seat structure for forward bending. Body forward bending mechanism 5 and power assembly 2, described power assembly 2 comprises the lead screw transmission mechanism 3 for driving the horizontal split mechanism, the knee bending transmission mechanism for driving the knee bending mechanism and the tooth for driving the body forward bending mechanism strip transmission mechanism;

The seat structure includes a seat frame 201 and a cushion, and the cushion is arranged on the seat frame 201;

The horizontal split mechanism includes a leg resting frame 202 and a thigh board 410 and a calf board 412 installed on the leg resting frame 202, the rear end of the thigh board 410 is hinged with the rear end of the leg resting frame 202, and the thigh board 410 The front end of the front end is hinged with the rear end of the calf board 412, and the calf board 412 is arranged obliquely forward and downward. The right horizontal split mechanism of the right leg horizontal split, the body bending forward mechanism is located in front of the seat structure, and the left horizontal split mechanism and the right horizontal split mechanism are respectively located on the left and right sides of the body forward bending mechanism; The rear end of the leg rest frame of the left leg horizontal split mechanism is hinged with the front left side of the seat frame 201 through the hinge 302; The sides are hinged by hinges 302;

The screw drive mechanism includes a lead screw 306, a lead screw nut 305, a left connecting rod and a right connecting rod, the leading screw 306 is arranged front and rear, and the left connecting rod and the right connecting rod are respectively located on the left and right sides of the leading screw, The rear end of the leading screw 306 is rotatably installed on the bottom of the seat frame 201 and connected with the leading screw drive motor 301, the leading screw nut 305 is sleeved on the front end of the leading screw 306, the front end of the left connecting rod, The front ends of the right connecting rod are all hinged with the lead screw nut 306, the rear end of the left connecting rod is hinged with the rear end bottom of the leg rest frame of the left leg horizontal split mechanism, and the rear end of the right connecting rod is hinged with the The rear end bottom of the leg rest frame of the right leg horizontal split mechanism is hinged;

The knee bending mechanism includes a first optical axis 414, a first slider 417 and a push rod 413 for pushing the calf plate 412 backward, the first optical axis 414 is arranged front and rear and installed on the inner side of the leg resting frame 202, The push rod 413 is located on the front side of the calf plate 412, and the push rod 413 is mounted on the first optical axis 414 through the first slider 417 to slide back and forth; The knee-bending transmission mechanism is connected;

The body flexion mechanism includes a body flexion frame 203 and a second optical axis 508, a handle plate 509 and a handle 511 installed on the body flexion frame 203, and the body flexion frame 203 is located at the leg of the left leg transverse split mechanism. The rest frame is connected with the front end of the seat frame 201 between the rest frame and the leg rest frame of the right leg horizontal split mechanism, the second optical axis 510 is arranged front and rear, and the handle 511 is fixed on the top surface of the front end of the handle plate 509, so The handle plate 509 is mounted on the second optical axis 508 through the second slider 510 to slide back and forth;

The rack transmission mechanism includes a rack 514, a gear 515 and a first rotating shaft. The rack 514 is mounted on the bottom of the handle plate 509 front and rear, the first rotating shaft is arranged left and right, and the first rotating shaft is located on the second The bottom of the optical axis 508 is rotatably mounted on the body flexion frame 203, the gear 515 is mounted on the first rotating shaft and is located below the handle plate 509, the rack 514 is engaged with the gear 515, The first rotating shaft is connected with the first rotating shaft driving mechanism.

Further, the knee-bending transmission mechanism includes a first auxiliary bevel gear 408, a second rotating shaft 406, a first electromagnetic clutch 405, a first driving synchronous pulley 402, a third rotating shaft 404, a first driven synchronous pulley 423, a second The driven synchronous pulley 422, the third driven synchronous pulley 424, the fourth rotating shaft, the fourth driven synchronous pulley, the fifth rotating shaft, the first sprocket, the second sprocket 416 and the sixth rotating shaft 419, the The second rotating shaft 406 and the third rotating shaft 404 are arranged vertically up and down and are rotatably installed on the seat frame 201. The first auxiliary bevel gear 408 is installed on the upper end of the second rotating shaft 406, and the The lower end is connected with the upper end of the third rotating shaft 404 through the first electromagnetic clutch 405, the first driving synchronous pulley 402 is installed on the third rotating shaft 404, and the fourth rotating shaft is vertically arranged up and down and rotatably installed in front of the body On the rear end of the flex frame 203, the first driven synchronous pulley 423, the second driven synchronous pulley 422, and the third driven synchronous pulley 424 are all installed on the fourth rotating shaft, and the second The driven synchronous pulley 422 is located below the first driven synchronous pulley 423, the third driven synchronous pulley 424 is located above the first driven synchronous pulley 423, and the first active synchronous pulley The pulley 402 is connected with the first driven synchronous pulley 423 through a synchronous belt; the fifth rotating shaft is arranged vertically up and down and is rotatably installed on the body flexion frame 203, and the left and right sides of the body flexion frame 203 The rear ends on both sides are respectively provided with the fifth rotating shaft, the fourth driven synchronous pulley is installed on the lower end of the fifth rotating shaft, and the second driven synchronous pulley 422 is connected with the body flexion frame through the synchronous belt. The fourth driven synchronous pulley 421 on the left side of 203 is connected, and the third driven synchronous pulley 424 is connected with the fourth driven synchronous pulley 425 on the right side of the bending frame 203 through a synchronous belt; The upper end of the rotating shaft is equipped with the first sprocket, the sixth rotating shaft 419 is arranged vertically up and down and is rotatably installed on the body flexion frame 203, and the front ends of the left and right sides of the body flexion frame 203 are respectively provided with There is the sixth rotating shaft 419, the second sprocket 416 is installed on the upper end of the sixth rotating shaft 419, the first sprocket is connected with the second sprocket 416 by a chain, and the chain is connected with the connecting rod 418 The lower end is fixedly connected, and the upper end of the connecting rod 418 is arranged in front of the first slide block 417 and contacts with the first slide block 417; Dislocation arrangement of connecting rods;

The first rotating shaft drive mechanism includes a second auxiliary bevel gear 505, a seventh rotating shaft 504, a second electromagnetic clutch 503, a second driving synchronous pulley 502, an eighth rotating shaft 501 and a fifth driven synchronous pulley 516. The seventh rotating shaft 504 and the eighth rotating shaft 501 are horizontally arranged on the left and right and are rotatably installed on the seat frame 201. The second auxiliary bevel gear 505 is installed on the right end of the seventh rotating shaft 504, and the left end of the seventh rotating shaft 504 passes through The second electromagnetic clutch 503 is connected to the right end of the eighth rotating shaft 501, the second driving synchronous pulley 502 is installed on the eighth rotating shaft 501, and the fifth driven synchronous pulley 516 is installed on the first rotating shaft. Two driving synchronous pulleys 502 are connected with the fifth driven synchronous pulley 516 through a synchronous belt 506;

The first auxiliary bevel gear 408 and the second auxiliary bevel gear 505 are all meshed with the main bevel gear 407, the main bevel gear 407 is installed on the front end of the main shaft, and the main driving motor 401 is connected to the rear end of the main shaft through the motor coupling 403 connect.

Still further, the power assembly 2 also includes a single-chip microcomputer, a horizontal split switch, a seated knee bend switch and a seated body flexion switch, and the horizontal split switch, a seated knee bend switch and a seated body forward bend switch are all connected to the single chip microcomputer, so The single-chip microcomputer is respectively connected with the screw drive motor 301, the main drive motor 401, the first electromagnetic clutch 405, and the second electromagnetic clutch 503.

In this embodiment, the power assembly 2 further includes a switching power supply DC transformer, which is connected to a single-chip microcomputer for providing power and realizing overall control of the device.

As shown in FIG. 2 , the support frame includes a seat frame 201 , a leg rest frame 202 and a body flexion frame 203 .

As shown in FIG. 3 , the connecting rod 304 includes a left connecting rod and a right connecting rod, and the rear end of the connecting rod is connected to the rear end of the leg resting frame 202 through the backing plate 303 .

As shown in Figure 4, rest board comprises thigh board 410 and calf board 412, and the outside of thigh board 410, the outside of calf board 412 is installed on the inboard of leg shelving frame, the rear end of calf board 412 and the front end of thigh board 410 pass through Page 411 is hinged, and the rear end of the thigh board 410 and the rear end of the leg resting frame 202 are hinged through the hinge 409; since the lower leg board 412 is arranged obliquely forward and downward, it can be bent under the gravity of the lower leg board 412 Reset to the straight state, that is, the calf plate 412 drives the first slider 417 to move forward so that the first slider 417 resets; the sixth rotating shaft 419 is installed on the body flexion frame 203 through the bearing seat 420; the first optical axis 414 passes through The optical axis seat 415 is installed on the inner side of the leg rest frame 202 .

As shown in Figure 5, the handle 511 is installed on the handle plate 509 through the handle seat 513, and the first rotating shaft is rotatably installed on the body flexion frame 203 through the bearing seat 512; the second optical axis 508 passes through the left optical axis 507 Installed on the bending frame 203 of the body.

As shown in Figure 6, because the connecting rod on the left side of the body bending frame 203 and the connecting rod on the right side of the body bending frame 203 are misplaced, the legs of the left leg cross split mechanism rest on the push rod on the frame and the right leg There is a certain stroke difference between the legs of the horizontal split mechanism and the push rod on the frame, and the stroke difference is 30mm.

In the recovery mode of the utility model, there are three main functions:

1. Horizontal splits: Rehabilitation training is mainly aimed at the hip joint and buttock muscles. The operator is located on the seat structure 1 , and his legs are straightened and respectively fixed on the shelving boards on both sides of the forward bending frame 203 by two nylon straps. Press the horizontal split switch, the lead screw drive motor 301 starts, drives the lead screw 306 to rotate, makes the lead screw nut 305 move, and the angle of the connecting rod 304 changes accordingly, so that the shelving frame moves back and forth according to the set angle, realizing the leg movement. opening and closing.

2. Bend the knees in a sitting position: move the leg joints and some muscles to prevent limb stiffness due to long-term lack of exercise. The operator is located on the seat structure 1, and his legs are straightened and then respectively fixed on the shelving boards on both sides by two nylon straps. Press the sitting posture knee bend switch, the main drive motor 401 rotates, and the main bevel gear 407 is driven to rotate through the main shaft. Since the first auxiliary bevel gear 408 meshes with the main bevel gear 407, the first auxiliary bevel gear 408 is driven to rotate, and the first electromagnetic clutch The armature of 405 is sucked up so that the second rotating shaft 406 merges with the third rotating shaft 404, and the power is transmitted to the first driving synchronous pulley 402 of the third rotating shaft 404, and is transmitted to the first driven synchronous pulley 423 through the synchronous belt. And through the second driven synchronous pulley 422 coaxial with the first driven synchronous pulley 423, the third driven synchronous pulley 424 is transmitted to the fourth driven synchronous pulley 421 on both sides of the body flexion frame 203 , 425, and then respectively drive the first sprocket that is coaxially arranged with the fourth driven synchronous pulley 421, 425 to rotate, and the first sprocket drives the second sprocket 416 to rotate through the chain, thereby driving the rotation of the chain. The connecting rod 418 on the top is fixedly connected with the first slider 417, so as to push the first slider 417 on the first optical axis 414 to move back and forth, and the push rod 413 on the first slider 417 pushes the calf plate 412 to move backward to complete Bend your knees.

3. Sitting and forward bending: perform adaptive rehabilitation exercises for the waist and spine. The operator is located on the seat structure 1, and his legs are straightened and respectively fixed on the shelving boards on both sides by two nylon straps. Press the forward bend switch of the seat body, the main drive motor 401 rotates, the second auxiliary bevel gear 505 is driven to rotate through the main bevel gear 407, and the armature of the second electromagnetic clutch 503 is sucked up at the same time, so that the seventh rotating shaft 504 and the eighth rotating shaft 501 are merged , the power is transmitted to the second driving synchronous pulley 502 on the eighth shaft 501, and further transmitted to the fifth driven synchronous pulley 516 through the synchronous belt 506, so that the coaxial gear 515 rotates and drives the rack 514 to move horizontally back and forth Since the rack 514 is fixed on the handle plate 509 and the handle 511 is fixed on the handle plate 509, the handle 511 can reciprocate according to the set position.

The utility model integrates three training forms of knee bending in sitting position, forward bending in sitting position and splits, which not only solves the demand for exercise on multiple parts of the body, but also reduces the cost of the machine; therefore, the utility model is not only small in size and low in price, but also solves the It solves the difficult problem of exercising multiple body parts conveniently for people who are not easy to move.

The utility model is mainly aimed at people suffering from muscle atrophy and joint distortion due to long-term bed rest, and provides a machine that can replace nursing staff to assist patients in completing daily waist and lower limb rehabilitation training. Different from the existing mainstream rehabilitation equipment on the market, the three sets of movements of the compound stretching exerciser can be operated independently or in combination to exercise different parts, and can also be adjusted according to the user's own condition. Exercise intensity, very humane. The utility model will be mainly used in hospitals, rehabilitation homes, and nursing homes, and provides a new safe and effective rehabilitation exercise method for people with rigid bodies or muscle atrophy.

Claims (3)

1. a kind of waist and lower limb combined type stretching device, it is characterised in that：It is split including armchair structure, for the horizontal of horizontal split Fork mechanism, the mechanism of going down on one's knees gone down on one's knees for sitting posture, for the trunk bending forwards mechanism and power assembly of sitting body anteflexion, the power is total At including the transmission mechanism and for driving of going down on one's knees for driving the lead-screw drive mechanism of horizontal split mechanism, for driving mechanism of going down on one's knees The rack gear for mechanism that kinetoplast is anteflexion；

The armchair structure includes seat frame and cushion, and the cushion is arranged on the seat frame；

The horizontal split mechanism includes that leg shelves frame and shelves thigh plate and the calf plate on frame mounted on leg, described big The rear end that the rear end of leg plate shelves frame with leg is hinged, and the front end of the thigh plate is hinged with the rear end of the calf plate, described Calf plate forward downward is in tilted layout, and there are two the horizontal split mechanism settings, is respectively used for the left of the horizontal split of left leg and horizontal splits Fork mechanism and the You Heng splits mechanism for the horizontal split of right leg, the trunk bending forwards mechanism are located at the front of the armchair structure, institute Shu Zuoheng splits mechanism and You Heng splits mechanism are located at the left and right sides of the trunk bending forwards mechanism；The horizontal split machine of left leg The leg of structure shelves the rear end of frame and the front end of seat frame passes on left hinge and is hinged；The leg of You Tuiheng splits mechanism is put It sets hinged by hinge on the right side of the rear end of frame and the front end of seat frame；

The lead-screw drive mechanism includes leading screw, feed screw nut, left connecting rod and right connecting rod, the front and back arrangement of the leading screw, the left side Connecting rod is located at the left and right sides of leading screw with right connecting rod, and the rear end of the leading screw is rotatably mounted on the bottom of seat frame And connect with leading screw driving motor, the feed screw nut is sleeved on the front end of leading screw, before the front end of the left connecting rod, right connecting rod End is hinged with the feed screw nut, and the leg of the rear end of the left connecting rod and Zuo Tuiheng splits mechanism shelves the rear end of frame Bottom is hinged, and the rear end bottom that the leg of the rear end of the right connecting rod and You Tuiheng splits mechanism shelves frame is hinged；

The mechanism of going down on one's knees includes primary optic axis, the first sliding block and the push rod for pushing calf plate backward, first light The front and back inside arranged and frame is shelved mounted on leg of axis, the push rod are located at the front side of the calf plate, and the push rod passes through First sliding block is capable of sliding back and forth to be mounted on the primary optic axis；First sliding block is connect with the transmission mechanism of going down on one's knees；

The trunk bending forwards mechanism includes trunk bending forwards frame and the second optical axis, handle plate and hand on trunk bending forwards frame Handle, the trunk bending forwards frame be located at Zuo Tuiheng splits mechanism leg shelve frame and You Tuiheng splits mechanism leg shelve frame it Between and connect with the front end of seat frame, the front and back arrangement of second optical axis, the handle is fixed on the front end top surface of handle plate On, the handle plate is mounted on by the way that the second sliding block is capable of sliding back and forth on the second optical axis；

The rack gear includes rack, gear and first rotating shaft, the front and back bottom for being mounted on handle plate of the rack, institute First rotating shaft or so arrangement is stated, the first rotating shaft is located at the lower section of second optical axis and is rotatably mounted on trunk bending forwards frame On frame, the gear is mounted on the lower section in the first rotating shaft and positioned at handle plate, and the rack is engaged with the gear, institute First rotating shaft is stated to connect with first rotating shaft driving mechanism.

2. waist as described in claim 1 and lower limb combined type stretching device, it is characterised in that：The transmission mechanism of going down on one's knees Including the first secondary bevel gear, the second shaft, the first electromagnetic clutch, the first active synchronization belt wheel, third shaft, first driven same Walk belt wheel, the second driven synchronous pulley, the driven synchronous pulley of third, the 4th shaft, the 4th driven synchronous pulley, the 5th shaft, First sprocket wheel, the second sprocket wheel and the 6th shaft, second shaft, third shaft are arranged and are rotatably installed vertically up and down On seat frame, the described first secondary bevel gear is mounted on the upper end of the second shaft, and the lower end of second shaft passes through first Electromagnetic clutch is connect with the upper end of third shaft, and first active synchronization belt wheel is mounted in third shaft, and the described 4th Shaft is arranged and is rotatably mounted on the rear end of trunk bending forwards frame, the first driven synchronous pulley, second vertically up and down The driven synchronous pulley of driven synchronous pulley, third is installed in the 4th shaft, and the second driven synchronous pulley is located at The lower section of the first driven synchronous pulley, the driven synchronous pulley of third are located at the upper of the described first driven synchronous pulley Side, first active synchronization belt wheel are connect by synchronous belt with the described first driven synchronous pulley；Above and below 5th shaft Vertical to arrange and be rotatably mounted on trunk bending forwards frame, the rear end of the left and right sides of the trunk bending forwards frame is respectively equipped with institute The 5th shaft is stated, the 4th driven synchronous pulley is mounted on the lower end of the 5th shaft, and the second driven synchronous pulley is logical It crosses synchronous belt to connect with the 4th driven synchronous pulley of trunk bending forwards frame left, the driven synchronous pulley of third passes through synchronous belt It is connect with the 4th driven synchronous pulley of trunk bending forwards frame right；The upper end of 5th shaft is equipped with first sprocket wheel, 6th shaft is arranged and is rotatably mounted on trunk bending forwards frame, the left and right sides of the trunk bending forwards frame vertically up and down Front end be respectively equipped with the 6th shaft, second sprocket wheel is mounted on the upper end of the 6th shaft, and first sprocket wheel passes through Chain is connect with second sprocket wheel, and the chain is fixedly connected with the lower end of connecting rod, and the upper end setting of the connecting rod exists The front of first sliding block and with the first shoe contact；The company of the connecting rod and trunk bending forwards frame right of the trunk bending forwards frame left Extension bar dislocation arrangement；

The first rotating shaft driving mechanism includes the second secondary bevel gear, the 7th shaft, the second electromagnetic clutch, the second active synchronization Belt wheel, eighth-turn axis and the 5th driven synchronous pulley, the 7th shaft, eighth-turn axis or so lateral arrangement are simultaneously rotatably pacified On seat frame, the second secondary bevel gear is mounted on the right end of the 7th shaft, and the left end of the 7th shaft passes through the Two electromagnetic clutch are connect with the right end of eighth-turn axis, and second active synchronization belt wheel is mounted on eighth-turn axis, and described the Five driven synchronous pulleys are mounted in first rotating shaft, and two active synchronization belt wheel is driven synchronous by synchronous belt and the described 5th Belt wheel connects；

Described first secondary bevel gear, the second secondary bevel gear engage with master bevel gear, before the master bevel gear is mounted on main shaft End, main drive motor are connected by the rear end of motor coupler and main shaft.

3. waist as claimed in claim 1 or 2 and lower limb combined type stretching device, it is characterised in that：The power assembly Further include that microcontroller, horizontal split switch, sitting posture are gone down on one's knees switch and sitting body anteflexion switch, the horizontal split switch, sitting posture are gone down on one's knees Switch and sitting body anteflexion switch are connect with the microcontroller, and the microcontroller is electric with leading screw driving motor, main driving respectively Machine, the first electromagnetic clutch, the connection of the second electromagnetic clutch.