Disclosure of Invention
In view of the technical shortcomings, the invention provides a physiotherapy device for leg muscle recovery, which can overcome the defects.
The invention discloses a physiotherapy device for leg muscle recovery, which comprises an outer shell, wherein an opening cavity with an upward opening and a leftward opening is arranged in the top end surface of the outer shell, a massage block is arranged in the lower end surface of the opening cavity in a sliding manner, a massage cavity with an upward opening and a leftward opening is arranged in the top end surface of the massage block, two front and rear symmetrical moving grooves are communicated and arranged in the front and rear end walls of the massage cavity, a moving plate is arranged in the moving grooves in a sliding manner, and a transmission cavity is arranged at the lower side of the massage cavity;
two bilaterally symmetrical connecting threaded shafts are rotatably arranged between the transmission cavity and the massage cavity, the inner thread of the top end surface of the connecting threaded shaft is connected with a movable threaded block, the upper end of the movable threaded block is hinged with a bending block positioned in the massage cavity, the two bending blocks which are symmetrical left and right are rotationally connected through a rotating shaft core, a heat retainer is fixedly arranged in the top end surface of the bending block, an extension cavity is communicated with the right side of the transmission cavity, a sliding plate is arranged at the communication part of the extension cavity and the transmission cavity in a sliding way, two clamping cavities which are symmetrical left and right are communicated and arranged in the upper end wall of the extension cavity, a clamping groove with an upward opening is arranged in the top end surface of the sliding plate, a compression spring is fixedly arranged on the lower end wall of the clamping groove, a clamping block which is slidably arranged in the clamping groove is fixedly arranged at the upper end of the compression spring, and a supporting block which is fixedly arranged on the lower end face of the clamping block is arranged on the right side of the compression spring;
the supporting shoe lower extreme runs through draw-in groove lower extreme wall extension extremely the extension intracavity, the slide plate downside is equipped with slidable mounting and is in the interior linking piece of extension chamber lower extreme wall, supporting shoe lower extreme slidable mounting link up in the top terminal surface of piece, linking piece lower extreme facial make-up slidable mounting is equipped with the connecting block, extension chamber downside is equipped with the extending groove, connecting block slidable mounting extend the chamber with between the extending groove, the connecting block lower extreme articulates and is equipped with the articulated rod that is located in the extending groove, articulated rod left end lower extreme articulates and is equipped with the sliding block, link up piece left end slidable mounting in the movable block right-hand member face, the movable block slidable mounting extend in the chamber lower extreme wall, movable block left end face has set firmly the extending block.
Preferably, a motor is fixedly arranged in the lower end wall of the transmission cavity, a driving shaft is arranged at the upper end of the motor in a power connection manner, a linking helical gear is fixedly arranged on the driving shaft, a connecting plate is arranged in the transmission cavity in a sliding manner, two linking shafts which are bilaterally symmetrical are rotatably arranged on the left and right end faces of the connecting plate, a driven helical gear is fixedly arranged on the linking shaft, the right end of the linking shaft on the right side is rotatably arranged in the left end face of the sliding plate, the driven helical gear on the right side is meshed with the linking helical gear, an extension cavity is arranged on the lower side of the transmission cavity, two bilaterally symmetrical driven shafts are rotatably arranged between the extension cavity and the transmission cavity, a rotating belt pulley fixedly arranged on the driven shafts is arranged in the extension cavity, the two bilaterally symmetrical rotating belt pulleys are connected through a first belt, and a driving belt pulley fixedly arranged on the driven shafts is arranged in the transmission cavity, the position of the driving pulley on the left side is positioned on the upper side of the driving pulley on the right side.
Preferably, a fixed block is fixedly arranged between the front end wall and the rear end wall of the open cavity, the right end of the fixed block is slidably arranged between the open cavity and the transmission cavity, a sliding groove with an opening facing to the right is arranged in the right end face of the fixed block, a sliding block is slidably arranged in the sliding groove, the left end of the connecting shaft is rotatably arranged in the right end face of the sliding block, a rotating cavity is arranged in the fixed block, the right half part of the rotating cavity is provided with an opening facing to the right, a gear shaft is rotatably arranged on the right end wall of the rotating cavity, a power helical gear is fixedly arranged on the gear shaft and is meshed with the driving belt pulley on the left side, a lower connecting helical gear fixedly arranged on the gear shaft is arranged on the left side of the power helical gear, an upper connecting helical gear is meshed with the upper connecting helical gear, and the upper connecting helical gear is fixedly arranged on the connecting shaft, the connecting shaft is arranged between the rotating cavity and the open slot, an open slot with an upward opening is formed in the end face of the top of the fixed block, the connecting shaft is rotatably installed between the open slot and the rotating cavity, and a manual rotating disc which is fixedly installed on the connecting shaft is arranged in the open slot.
Preferably, the transmission cavity is internally provided with a connecting belt pulley fixedly arranged on the connecting threaded shaft, the two bilaterally symmetrical connecting belt pulleys are connected through a second belt, the lower side of the connecting belt pulley is provided with a force transmission helical gear fixedly arranged on the connecting threaded shaft, the force transmission helical gear on the right side is meshed with the driven helical gear on the right side, the force transmission helical gear on the left side is meshed with the driven helical gear on the left side, a sliding cavity is arranged between the extension cavity and the extension cavity, the left end of the extension block is slidably arranged between the extension cavity and the sliding cavity, the sliding cavity is internally provided with a sliding plate fixedly arranged on the left end surface of the extension block, the sliding plate is slidably arranged in the sliding cavity, the left end surface of the sliding plate is rotatably arranged with a connecting threaded rod, and the threaded rod is connected with the left end in the right end surface of the transmission threaded shaft, the left side of the opening cavity is provided with a linking cavity, the transmission threaded shaft is rotatably installed between the linking cavity and the sliding cavity, the left end face of the sliding block is rotatably installed with a connecting threaded rod, the left end of the connecting threaded rod is in threaded connection with the right end face of the linking threaded shaft, and the linking threaded shaft is rotatably installed between the linking cavity and the extending groove.
Preferably, it is equipped with fixed mounting in linking the intracavity link up the epaxial linking belt pulley of screw thread, driven pulley has set firmly on the transmission screw thread, it is equipped with the opening towards the groove of linking on the left to rotate the chamber left side, it is equipped with the pulley chamber of two longitudinal symmetries to link up the groove right side, the pulley chamber with it is equipped with the transmission shaft to link up to rotate the installation between the groove, it is equipped with fixed mounting in the inslot to link up the epaxial rotor of transmission, the pulley intracavity is equipped with fixed mounting and is in the epaxial transmission pulley of transmission, the rear side the transmission pulley with driven pulley passes through the third belt and connects, the front side the transmission pulley with linking the belt pulley passes through the fourth belt and connects.
Preferably, the upper side of the transmission cavity is provided with a gear cavity, the right side of the connection threaded shaft penetrates through the gear cavity and is fixedly provided with an upper driving helical gear, the right side of the upper driving helical gear is engaged and connected with a lower driving helical gear, the lower driving helical gear is fixedly arranged on a reversing helical gear, the right end wall of the opening cavity is internally communicated with a connection cavity, a spline shaft is arranged in the right end face of the reversing helical gear in a spline sliding manner, the right end of the spline shaft is rotatably arranged between the connection cavity and the opening cavity, the connection cavity is internally provided with a transmission helical gear fixedly arranged on the spline shaft, the upper side of the transmission helical gear is engaged and connected with a rotation helical gear, the rotation helical gear is fixedly arranged on a rotation shaft, the upper end of the rotation shaft is rotatably arranged in the upper end wall of the connection cavity, and the upper side of the rotation helical gear is provided with a cam fixedly arranged on the rotation shaft, the left end of the cam is abutted against the right end face of the massage block.
Preferably, the movable plate is close to be equipped with the opening in the terminal surface of massage chamber central line one side and be close to the spread groove of massage chamber central line one side, rotate between the end wall about the spread groove and install four gyro wheel axles that the array set up about being equipped with, six massage gyro wheels that the array set up about setting up on the gyro wheel axle, the shift groove is kept away from the end wall of massage chamber central line one side has set firmly fixed thread piece, fixed thread piece internal thread connection is equipped with the adjustment threaded spindle, the adjustment threaded spindle is kept away from massage chamber central line one end is prolonged to the massage piece is kept away from the terminal surface one side of massage chamber central line one side has set firmly the adjusting block, the adjustment threaded spindle is close to massage chamber central line one end with the movable plate is kept away from the terminal surface rotation of massage chamber central line one side is connected.
The beneficial effects are that: the invention enables the patient to carry out the movement recovery of the muscle on the leg when lying on the sickbed, prevents the atrophy of the muscle caused by the long-time no movement of the muscle when lying on the sickbed for a long time, enables the patient to recover better by a certain movement, can carry out automatic and manual switching at the same time, and can carry out the manual slow recovery on some special patients.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
The invention relates to a physiotherapy device for leg muscle recovery, which comprises an outer shell 42, wherein an opening cavity 15 with an upward opening and a leftward opening is arranged in the top end surface of the outer shell 42, a massage block 16 is arranged in the lower end surface of the opening cavity 15 in a sliding manner, a massage cavity 19 with an upward opening and a leftward opening is arranged in the top end surface of the massage block 16, two front and rear symmetrical moving grooves 66 are communicated with the front and rear end walls of the massage cavity 19, a moving plate 67 is arranged in the moving grooves 66 in a sliding manner, a transmission cavity 39 is arranged on the lower side of the massage cavity 19, two bilaterally symmetrical connecting threaded shafts 52 are rotatably arranged between the transmission cavity 39 and the massage cavity 19, moving threaded blocks 53 are connected with the top end surface of the connecting threaded shafts 52 in a threaded manner, bent blocks 18 positioned in the massage cavity 19 are hinged to the upper ends of the moving threaded blocks 53, and the two bilaterally symmetrical bent blocks 18 are rotatably connected through a rotating shaft core 35, the heat retainer 32 is fixedly arranged in the top end face of the bending block 18, the right side of the transmission cavity 39 is communicated with an extension cavity 89, a sliding plate 96 is arranged at the communication position of the extension cavity 89 and the transmission cavity 39 in a sliding manner, two clamping cavities 93 which are bilaterally symmetrical are arranged in the upper end wall of the extension cavity 89 in a communication manner, a clamping groove 91 with an upward opening is arranged in the top end face of the sliding plate 96, a compression spring 94 is fixedly arranged on the lower end wall of the clamping groove 91, a clamping block 92 which is slidably arranged in the clamping groove 91 is fixedly arranged at the upper end of the compression spring 94, a supporting block 90 which is fixedly arranged on the lower end face of the clamping block 92 is arranged at the right side of the compression spring 94, the lower end of the supporting block 90 penetrates through the lower end wall of the clamping groove 91 and is extended into the extension cavity 89, a connecting block 88 which is slidably arranged in the lower end wall of the extension cavity 89 is arranged at the lower side of the sliding plate 96, and the lower end of the supporting block 90 is slidably arranged in the top end face of the connecting block 88, a connecting block 87 is arranged in the lower end face of the joining block 88 in a sliding installation mode, an extending groove 86 is arranged on the lower side of the extending cavity 89, the connecting block 87 is arranged between the extending cavity 89 and the extending groove 86 in a sliding installation mode, the lower end of the connecting block 87 is hinged to a hinged rod 85 located in the extending groove 86, a sliding block 84 is arranged at the left lower end of the hinged rod 85 in a hinged mode, the left end of the joining block 88 is arranged in the right end face of the moving block 82 in a sliding installation mode, the moving block 82 is arranged in the lower end wall of the extending cavity 89 in a sliding installation mode, and an extending block 83 is fixedly arranged on the left end face of the moving block 82.
Beneficially, a motor 38 is fixedly arranged in the lower end wall of the transmission cavity 39, a driving shaft 10 is arranged at the upper end of the motor 38 in a power connection manner, a connecting helical gear 37 is fixedly arranged on the driving shaft 10, a connecting plate 41 is arranged in the transmission cavity 39 in a sliding manner, two bilaterally symmetrical connecting shafts 45 are rotatably arranged on the left and right end surfaces of the connecting plate 41, a driven helical gear 40 is fixedly arranged on the connecting shaft 45, the right end of the connecting shaft 45 on the right side is rotatably arranged in the left end surface of the sliding plate 96, the driven helical gear 40 on the right side is engaged and connected with the connecting helical gear 37, an extension cavity 81 is arranged on the lower side of the transmission cavity 39, two bilaterally symmetrical driven shafts 79 are rotatably arranged between the extension cavity 81 and the transmission cavity 39, a rotating pulley 78 fixedly arranged on the driven shafts 79 is arranged in the extension cavity 81, and the two bilaterally symmetrical rotating pulleys 78 are connected through a first belt 73, a driving belt pulley 80 fixedly mounted on the driven shaft 79 is arranged in the transmission cavity 39, and the driving belt pulley 80 on the left side is located on the right side and on the upper side of the driving belt pulley 80.
Beneficially, a fixed block 17 is fixedly arranged between the front end wall and the rear end wall of the open cavity 15, the right end of the fixed block 17 is slidably mounted between the open cavity 15 and the transmission cavity 39, a sliding groove 48 with an opening facing to the right is formed in the right end face of the fixed block 17, a sliding block 47 is slidably mounted in the sliding groove 48, the left end of the connecting shaft 45 on the left side is rotatably mounted in the right end face of the sliding block 47, a rotating cavity 60 is formed in the fixed block 17, the right half of the rotating cavity 60 is opened facing downwards, a gear shaft 62 is rotatably mounted in the right end wall of the rotating cavity 60, a power helical gear 49 is fixedly arranged on the gear shaft 62, the power helical gear 49 is in meshing connection with the driving pulley 80 on the left side, a lower connecting helical gear 61 fixedly mounted on the gear shaft 62 is arranged on the left side of the power helical gear 49, an upper connecting helical gear 14 is in meshing connection with the upper side of the lower connecting helical gear 61, the upper connecting bevel gear 14 is fixedly installed on the connecting shaft 13 to rotate, an open slot 12 with an upward opening is formed in the end face of the top of the fixing block 17, the connecting shaft 13 is rotatably installed between the open slot 12 and the rotating cavity 60, and a manual rotating disc 11 fixedly installed on the connecting shaft 13 is arranged in the open slot 12.
Advantageously, a connecting belt pulley 51 fixedly mounted on the connecting threaded shaft 52 is arranged in the transmission cavity 39, the two connecting belt pulleys 51 which are bilaterally symmetrical are connected through a second belt, a force-transmitting helical gear 50 fixedly mounted on the connecting threaded shaft 52 is arranged on the lower side of the connecting belt pulley 51, the force-transmitting helical gear 50 on the right side is engaged with the driven helical gear 40 on the right side, the force-transmitting helical gear 50 on the left side is engaged with the driven helical gear 40 on the left side, a sliding cavity 44 is arranged between the extension cavity 81 and the extension cavity 89, the left end of the extension block 83 is slidably mounted between the extension cavity 89 and the sliding cavity 44, a sliding plate 43 fixedly mounted on the left end face of the extension block 83 is arranged in the sliding cavity 44, an engaging threaded rod 77 is rotatably mounted on the left end face of the sliding plate 43, the left end threaded connection of linking threaded rod 77 is in transmission threaded shaft 72 right-hand member face, open cavity 15 left side is equipped with links up chamber 74, transmission threaded shaft 72 rotates to be installed link up chamber 74 with between the sliding chamber 44, the installation is equipped with connecting threaded rod 76 in the left end face of sliding block 84 left end internal rotation, connecting threaded rod 76 left end threaded connection is in linking up threaded shaft 71 right-hand member face, link up threaded shaft 71 rotate install link up chamber 74 with extend between the groove 86.
Advantageously, an engaging pulley 69 fixedly mounted on the engaging threaded shaft 71 is disposed in the engaging cavity 74, a driven pulley 70 is fixedly mounted on the driving threaded shaft 72, an engaging groove 75 with an opening facing to the left is disposed on the left side of the rotating cavity 60, two pulley cavities 59 symmetrical to each other in the front-rear direction are disposed on the right side of the engaging groove 75, a transmission shaft 57 is rotatably mounted between the pulley cavities 59 and the engaging groove 75, a rotating block 56 fixedly mounted on the transmission shaft 57 is disposed in the engaging groove 75, a driving pulley 58 fixedly mounted on the transmission shaft 57 is disposed in the pulley cavity 59, the driving pulley 58 on the rear side is connected with the driven pulley 70 through a third belt, and the driving pulley 58 on the front side is connected with the engaging pulley 69 through a fourth belt.
Beneficially, a gear cavity 29 is arranged on the upper side of the transmission cavity 39, the right connecting threaded shaft 52 penetrates through the gear cavity 29 and is fixedly provided with an upper driving helical gear 34, the right side of the upper driving helical gear 34 is engaged and connected with a lower driving helical gear 54, the lower driving helical gear 54 is fixedly arranged on a reversing helical gear 55, the inner wall of the right end of the open cavity 15 is communicated with a connecting cavity 25, a spline shaft 36 is arranged in the inner side of the right end face of the reversing helical gear 55 in a spline sliding manner, the right end of the spline shaft 36 is rotatably arranged between the connecting cavity 25 and the open cavity 15, a transmission helical gear 28 fixedly arranged on the spline shaft 36 is arranged in the connecting cavity 25, a rotating helical gear 27 is engaged and connected on the upper side of the transmission helical gear 28, the rotating helical gear 27 is fixedly arranged on a rotating shaft 26, and the upper end of the rotating shaft 26 is rotatably arranged in the upper end wall of the connecting cavity 25, the upper side of the rotary bevel gear 27 is provided with a cam 24 fixedly arranged on the rotary shaft 26, and the left end of the cam 24 is abutted with the right end face of the massage block 16.
Advantageously, the end surface of the moving plate 67 on the side close to the center line of the massage chamber 19 is provided with a connecting groove 68 which is opened on the side close to the center line of the massage chamber 19, four roller shafts 21 which are arranged in an up-and-down array are rotatably arranged between the left end wall and the right end wall of the connecting groove 68, six massage rollers 20 arranged in a left-right array are fixedly arranged on the roller shaft 21, a fixed thread block 65 is fixedly arranged in the end wall of the moving groove 66 far away from the center line of the massage cavity 19, an adjusting threaded shaft 64 is connected with the internal thread of the fixed threaded block 65, one end of the adjusting threaded shaft 64, which is far away from the center line of the massage cavity 19, is extended to one side of the end surface of the massage block 16, which is far away from the center line of the massage cavity 19, and an adjusting block 63 is fixedly arranged, one end of the adjusting threaded shaft 64 close to the center line of the massage cavity 19 is rotatably connected with the end surface of the movable plate 67 far away from the center line of the massage cavity 19.
When the work is started:
1. the legs of the patient are placed on the upper side of the top end face of the bending block 18, then the heat retainer 32 is started to enable the bending block 18 to be always at the most comfortable temperature, then the adjusting block 63 is manually rotated to enable the moving plate 67 to move forwards and backwards, so that the massage rollers 20 are located at the best massage position, the distance between the massage rollers 20 on the front side and the rear side is prevented from being too close, then the motor 38 is started, the motor 38 drives the driving shaft 10 to rotate, the driving shaft 10 rotates to drive the engaging bevel gear 37 to rotate, the engaging bevel gear 37 rotates to drive the driven bevel gear 40 to rotate, the driven bevel gear 40 rotates to drive the force transmission bevel gear 50 on the right side to rotate, the force transmission bevel gear 50 on the right side rotates to drive the connecting threaded shaft 52 on the right side to rotate, and the connecting threaded shaft 52 on the right side rotates to drive the connecting pulley 51 on the right side to rotate with the upper driving bevel gear 34, the right connecting belt pulley 51 rotates to drive the left connecting threaded shaft 52 to rotate, the connecting threaded shaft 52 rotates to drive the movable threaded block 53 to move upwards, the movable threaded block 53 moves upwards to drive the bending block 18 to rotate upwards to form an arc, so that the patient is bent slowly, and at the moment, the massage rollers 20 massage the muscles on the two sides of the leg in a rolling manner.
2. At the same time, the upper driving helical gear 34 rotates to drive the lower driving helical gear 54 to rotate, the lower driving helical gear 54 rotates to drive the reversing helical gear 55 to rotate, the reversing helical gear 55 rotates to drive the spline shaft 36 to rotate, the spline shaft 36 rotates to drive the transmission helical gear 28 to rotate, the transmission helical gear 28 rotates to drive the transmission helical gear 27 to rotate, the transmission helical gear 27 rotates to drive the rotating shaft 26 to rotate, the rotating shaft 26 rotates to drive the cam 24 to rotate, and the cam 24 rotates to drive the massage block 16 to move to the left and stretch the connecting spring 30, so that the body position of the patient cannot move when the leg is bent.
3. After the bending block 18 rotates upwards to the extreme position, the motor 38 drives the driving shaft 10 to rotate reversely, the driving shaft 10 rotates reversely to drive the movable screw block 53 to move downwards, the movable screw block 53 moves downwards to drive the bending block 18 to bend downwards to return to the initial position, and then the bending block reciprocates all the time, so that the leg part can move to a certain extent, and the leg part can move to a certain extent to recover from the movement.
4. When the leg condition of the patient is particularly unable to automatically recover, the front rotating block 56 is manually rotated, the front rotating block 56 drives the front transmission shaft 57 to rotate, the front transmission shaft 57 rotates to drive the front transmission belt pulley 58 to rotate, the front transmission belt pulley 58 rotates to drive the connecting belt pulley 69 to rotate through the fourth belt, the connecting belt pulley 69 rotates to drive the connecting threaded shaft 71 to rotate, the connecting threaded shaft 71 rotates to drive the connecting threaded rod 76 to move leftwards, the connecting threaded rod 76 moves leftwards to drive the sliding block 84 to move leftwards, the sliding block 84 moves leftwards to drive the connecting block 87 to move downwards through the hinged rod 85, the connecting block 87 moves downwards to drive the connecting block 88 to move downwards, the connecting block 88 moves downwards to drive the supporting block 90 to move downwards, the supporting block 90 moves downwards to drive the clamping block 92 to move downwards into the clamping groove 91 and compress the compression spring 94, then, the rotating block 56 at the rear side is rotated manually, the rotating block 56 at the rear side drives the transmission shaft 57 at the rear side to rotate, the transmission shaft 57 at the rear side rotates to drive the transmission belt pulley 58 at the rear side to rotate, the transmission belt pulley 58 at the rear side rotates to drive the driven belt pulley 70 to rotate through a third belt, the driven belt pulley 70 rotates to drive the transmission threaded shaft 72 to rotate, the transmission threaded shaft 72 rotates to drive the engagement threaded rod 77 to move leftwards, the engagement threaded rod 77 moves leftwards to drive the extension block 83 to move leftwards, the extension block 83 moves leftwards to drive the moving block 82 to move leftwards, the moving block 82 moves leftwards to drive the engagement block 88 to move leftwards, the engagement block 88 moves leftwards to drive the support block 90 to move leftwards, the support block 90 moves leftwards to drive the sliding plate 96 to move leftwards, when the clamping groove 91 moves to the lower side of the clamping cavity 93 at the left side, the clamping block 92 moves upwards to the clamping cavity 93 at the left side under the resilience of the compression spring 94 And (4) the following steps.
5. When the sliding plate 96 moves leftwards, the driven bevel gear 40 and the moving bevel gear 46 are driven to move leftwards, the driven bevel gear 40 and the moving bevel gear 46 move leftwards, so that the driven bevel gear 40 on the right side is meshed with the engaging bevel gear 37, the driven bevel gear 40 on the left side is meshed with the force transmission bevel gear 50 on the left side, and the moving bevel gear 46 is meshed with the driving pulley 80 on the right side.
6. Then manually rotating the manual rotating disk 11, the manual rotating disk 11 rotates to drive the connecting shaft 13 to rotate, the connecting shaft 13 rotates to drive the upper connecting bevel gear 14 to rotate, the upper connecting bevel gear 14 rotates to drive the lower connecting bevel gear 61 to rotate, the lower connecting bevel gear 61 rotates to drive the gear shaft 62 to rotate, the gear shaft 62 rotates to drive the power bevel gear 49 to rotate, the power bevel gear 49 rotates to drive the left driving pulley 80 to rotate, the left driving pulley 80 rotates to drive the left driven shaft 79 to rotate, the left driven shaft 79 rotates to drive the left rotating pulley 78 to rotate, the left rotating pulley 78 rotates to drive the right rotating pulley 78 to rotate, the right rotating pulley 78 rotates to drive the right driven shaft 79 to rotate, the right driven shaft 79 rotates to drive the right driving pulley 80, the right driving pulley 80 rotates to drive the moving bevel gear 46 to rotate, the moving bevel gear 46 rotates to drive the left connecting shaft 45 to rotate, and the left connecting shaft 45 rotates to drive the left force transmission bevel gear 50 to rotate, so that the bending block 18 rotates and bends.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.