Disclosure of Invention
The invention aims to provide a blood oscillation mixing device for blood detection, which has the beneficial effects that the device replaces manual shaking of a blood collection bottle by hands, the phenomena of uneven mixing and incapability of meeting the accurate detection requirement are avoided, the accuracy of the detection result is ensured, and the labor intensity of medical staff is reduced; the device can shake and vibrate the blood in the inspection course, so that the blood is prevented from being coagulated to form a gelatinous blood clot to influence the experiment progress; can be operated in batch and is convenient to use.
The invention relates to a blood oscillation mixing device for blood detection, in particular to a blood oscillation mixing device for blood detection, which comprises a rectangular sliding frame, a clamping control piece, a vertical driving clamping plate, a left clamping piece and a right clamping piece, wherein the device replaces manual shaking of a blood collection bottle, so that the phenomena of uneven mixing and incapability of meeting the accurate detection requirement are avoided, the accuracy of the detection result is ensured, and the labor intensity of medical staff is reduced; the device can shake and vibrate the blood in the inspection course, so that the blood is prevented from being coagulated to form a gelatinous blood clot to influence the experiment progress; can be operated in batch and is convenient to use.
The rectangular sliding frame is provided with a horizontal sliding chute, spring seats, a spring loop bar and a spring I, the left end and the right end of the rectangular sliding frame are symmetrically provided with the horizontal sliding chute, the middle position of the rectangular sliding frame is symmetrically and fixedly connected with the two spring seats, the outer ends of the two spring seats are fixedly connected with the spring loop bar, and the spring loop bar is sleeved with the spring I;
the two vertical driving clamping plates are symmetrically connected to the rectangular sliding frame in a sliding manner; the vertical driving clamping plate is provided with a sliding frame sliding groove, convex sliding blocks, a sleeve rod seat, a vertical groove, a lower blocking rod, a round rod and a spring III, the upper end of the vertical driving clamping plate is provided with the sliding frame sliding groove, the inner side surface of the sliding frame sliding groove is symmetrically provided with the two convex sliding blocks, the vertical driving clamping plate is connected in the horizontal sliding groove in a sliding manner through the two convex sliding blocks on the sliding frame sliding groove, the front end of the upper end of the vertical driving clamping plate is fixedly connected with the sleeve rod seat, the sleeve rod seat is connected on the spring sleeve rod in a sliding manner, the spring I is positioned between the sleeve rod seat and a spring seat, the lower end of the vertical driving clamping plate is provided with the vertical groove, the upper end of the lower blocking rod is fixedly;
the left clamping piece comprises a left sliding block, left sliding block ribs, a left fixing round rod and a left arc-shaped clamping piece, the left sliding block is slidably connected in a vertical groove at the left end, the round rod at the left end is slidably connected at the eccentric position of the left sliding block, a spring III at the left end is positioned between the left sliding block and the upper end of the vertical groove at the left end, the left sliding block ribs are fixedly connected at four corners of the left sliding block, the two left sliding block ribs at the left end and the two left sliding block ribs at the right end are respectively attached to the left end face and the right end face of a vertical driving clamping plate at the left end, the left fixing round rod is rotatably connected on the left sliding block, and the right end of the left;
the right clamping piece include right slider, right side slider bead, fixed round bar in the right side and right arc clamping piece, right side slider sliding connection is in the perpendicular inslot of right-hand member, the round bar sliding connection of right-hand member is at the eccentric position of right slider, the spring III of right-hand member is located between the upper end in the perpendicular groove of right slider and right-hand member, the equal fixedly connected with right side slider bead in four angle departments of right side slider, two right slider beads of left end and two right slider beads of right-hand member are terminal surface laminating about with the vertical drive splint of right-hand member respectively, the fixed round bar in the right side rotates and is connected on right slider, the left end fixedly connected with right arc clamping piece of the fixed round bar in.
The rectangle balladeur train on still be provided with riser, trapezoidal sand grip, draw-in groove board, draw-in groove, upper plate and collude the board, the upper end intermediate position symmetry fixedly connected with riser of rectangle balladeur train, the outer end of riser is provided with trapezoidal sand grip, the rear end fixedly connected with draw-in groove board of rectangle balladeur train is provided with a plurality of draw-in grooves on the draw-in groove board, the upper end fixedly connected with upper plate of two risers and draw-in groove board, the upper end fixedly connected with of upper plate colludes the board.
A blood detects and vibrates mixing arrangement with blood, still include and press from both sides tight control, its characterized in that: the clamping control piece comprises a sliding piece, rectangular grooves, a trapezoidal groove, a rear inserting plate, clamping rods, a sliding rod seat, sliding rods, a spring II, a pulling plate and a hinged plate, the rectangular grooves are formed in the left end and the right end of the sliding piece, the outer ends of the rectangular grooves are provided with the trapezoidal grooves, the sliding piece is connected to two vertical plates in a sliding mode through the two rectangular grooves, the trapezoidal grooves are connected to trapezoidal convex strips in a sliding mode, the rear end of the sliding piece is fixedly connected with the rear inserting plate, the two clamping rods are connected to the rear inserting plate in a sliding mode, the rear end faces of the two clamping rods are attached to the clamping groove plate, the front end of the sliding piece is fixedly connected with the sliding rod seat, the middle ends of the two sliding rods are connected to the sliding rod seat in a sliding mode, the rear ends of the two sliding rods are fixedly connected to the two clamping rods respectively, the spring II is sleeved on the two sliding, the other ends of the two hinged plates are respectively hinged at the upper ends of the two vertical driving clamping plates.
The vertical driving clamping plate is further provided with a wheel tooth groove, a motor and an incomplete gear, the outer side face of the vertical driving clamping plate at the left end is provided with the wheel tooth groove, the right end face of the wheel tooth groove is provided with wheel teeth, the motor is fixedly connected to a motor frame on the vertical driving clamping plate at the left end, and the output end of the motor is fixedly connected with the incomplete gear.
The left clamping piece further comprises a rotating rod, a connecting rod sliding seat, an external threaded rod, a threaded rod seat and a seat plate, the rotating rod is fixedly connected to the left end of the left fixed round rod, the other end of the rotating rod is hinged to the connecting rod, the lower end of the left sliding block is fixedly connected with the seat plate, two threaded rod seats are fixedly connected to the seat plate, the external threaded rod is fixedly connected between the two threaded rod seats, the external threaded rod is connected to the connecting rod sliding seat through threads, and the lower end of the connecting rod is hinged to the connecting rod sliding seat.
The left clamping piece further comprises a second bevel gear, a shaft bracket, a gear shaft, a first bevel gear, a transmission wheel, a rack plate, a gear groove and a driving wheel, the upper end of an external threaded rod penetrates through a threaded rod seat at the upper end, the upper end of the external threaded rod is fixedly connected with the second bevel gear, the lower end of a left sliding block bead at the front end of the left end is fixedly connected with the shaft bracket, the gear shaft is rotatably connected onto the shaft bracket, the first bevel gear is fixedly connected at the front end of the gear shaft, the first bevel gear is meshed with the second bevel gear, the transmission wheel is fixedly connected at the rear end of the gear shaft, the rack plate is fixedly connected at the rear end of the left sliding block bead at the front end of the left end, an incomplete gear is meshed with the rack plate, the lower end of the rack plate is provided with the gear groove, the driving wheel is rotatably connected.
The blood oscillation mixing device for blood detection has the beneficial effects that:
according to the blood oscillation mixing device for blood detection, manual shaking of the blood collection bottle is replaced, the phenomena that mixing is uneven and the accurate detection requirement cannot be met are avoided, the accuracy of the detection result is ensured, and the labor intensity of medical staff is reduced; the device can shake and vibrate the blood in the inspection course, so that the blood is prevented from being coagulated to form a gelatinous blood clot to influence the experiment progress; can be operated in batch and is convenient to use.
The first embodiment is as follows:
the embodiment is described below with reference to fig. 1 to 7, the invention relates to the technical field of medical equipment for hematology department, and more specifically relates to a blood oscillation mixing device for blood detection, which comprises a rectangular sliding frame 1, a clamping control part 2, a vertical driving clamping plate 3, a left clamping part 4 and a right clamping part 5, and the device replaces manual shaking of a blood collection bottle, so that the phenomena of uneven mixing and failure in reaching the accurate detection requirement are avoided, the accuracy of the detection result is ensured, and the labor intensity of medical staff is reduced; the device can shake and vibrate the blood in the inspection course, so that the blood is prevented from being coagulated to form a gelatinous blood clot to influence the experiment progress; can be operated in batch and is convenient to use.
The rectangular sliding frame 1 is provided with a horizontal sliding groove 1-1, spring seats 1-2, spring loop bars 1-3 and springs I1-4, the left end and the right end of the rectangular sliding frame 1 are symmetrically provided with the horizontal sliding grooves 1-1, the middle position of the rectangular sliding frame 1 is symmetrically and fixedly connected with two spring seats 1-2, the outer ends of the two spring seats 1-2 are fixedly connected with the spring loop bars 1-3, and the springs I1-4 are sleeved on the spring loop bars 1-3;
the two vertical driving clamping plates 3 are arranged, and the two vertical driving clamping plates 3 are symmetrically connected to the rectangular sliding frame 1 in a sliding manner; the vertical driving splint 3 is provided with a sliding frame sliding groove 3-1, a convex sliding block 3-2, a loop bar seat 3-3, a vertical groove 3-4, a lower gear rod 3-5, a round rod 3-6 and a spring III 3-7, the upper end of the vertical driving splint 3 is provided with the sliding frame sliding groove 3-1, the inner side surface of the sliding frame sliding groove 3-1 is symmetrically provided with two convex sliding blocks 3-2, the vertical driving splint 3 is connected in the horizontal sliding groove 1-1 in a sliding way through the two convex sliding blocks 3-2 on the sliding frame sliding groove 3-1, the front end of the upper end of the vertical driving splint 3 is fixedly connected with the loop bar seat 3-3, the loop bar seat 3-3 is connected on the spring loop bar 1-3 in a sliding way, the spring I1-4 is positioned between the loop bar seat 3-3 and the spring seat 1-2, the lower end of the vertical driving splint, the upper end of the lower gear rod 3-5 is fixedly connected with a round rod 3-6, the upper end of the round rod 3-6 is fixedly connected with the upper end of the vertical groove 3-4, and a spring III 3-7 is sleeved on the round rod 3-6; in use of the device, two vertically driven jaws 3 can slide on the rectangular carriage 1.
The left clamping piece 4 comprises a left slide block 4-1 and a left slide block convex rib 4-2, a left fixed round rod 4-3 and a left arc-shaped clamping piece 4-4, wherein a left sliding block 4-1 is connected in a vertical groove 3-4 at the left end in a sliding manner, a round rod 3-6 at the left end is connected at an eccentric position of the left sliding block 4-1 in a sliding manner, a spring III 3-7 at the left end is positioned between the left sliding block 4-1 and the upper end of the vertical groove 3-4 at the left end, four corners of the left sliding block 4-1 are fixedly connected with left sliding block ribs 4-2, two left sliding block ribs 4-2 at the left end and two left sliding block ribs 4-2 at the right end are respectively attached to the left end surface and the right end surface of a vertical driving clamping plate 3 at the left end, the left fixed round rod 4-3 is connected to the left sliding block 4-1 in a rotating manner, and the right end of the left fixed round; when the device is used, the vertical driving clamping plate 3 at the left end slides left and right on the rectangular sliding frame 1 to drive the left clamping piece 4 to slide left and right, the left fixed round rod 4-3 and the left arc-shaped clamping piece 4-4 can rotate in the left sliding block 4-1, and the four left sliding block protruding edges 4-2 limit the position of the left sliding block 4-1 to prevent the left sliding block 4-1 from moving left and right.
The right clamping piece 5 comprises a right sliding block 5-1 and a right sliding block rib 5-2, the right-hand slider comprises a right fixed round rod 5-3 and a right arc-shaped clamping piece 5-4, a right slider 5-1 is slidably connected in a right-hand vertical groove 3-4, a right-hand round rod 3-6 is slidably connected at the eccentric position of the right slider 5-1, a right-hand spring III 3-7 is positioned between the right slider 5-1 and the upper end of the right-hand vertical groove 3-4, four corners of the right slider 5-1 are fixedly connected with right slider ribs 5-2, two right slider ribs 5-2 at the left end and two right slider ribs 5-2 at the right end are respectively attached to the left end face and the right end face of a right-hand vertical driving clamping plate 3, the right fixed round rod 5-3 is rotatably connected on the right slider 5-1, and the right arc-shaped clamping piece 5-4 is fixedly connected to the left end of the right fixed round rod. When the device is used, the vertical driving clamping plate 3 at the right end slides left and right on the rectangular sliding frame 1 to drive the right clamping piece 5 to slide left and right, and when the left clamping piece 4 and the right clamping piece 5 move in opposite directions at the same time, the collection box with a plurality of blood collection test tubes is clamped; the right fixed round rod 5-3 and the right arc-shaped clamping piece 5-4 can rotate in the right sliding block 5-1, and the four right sliding block convex ribs 5-2 limit the position of the right sliding block 5-1 to prevent the right sliding block 5-1 from moving left and right.
The rectangular sliding frame 1 is further provided with vertical plates 1-5, trapezoidal convex strips 1-6, groove clamping plates 1-7, groove clamping plates 1-8, upper plates 1-9 and hook plates 1-10, the vertical plates 1-5 are symmetrically and fixedly connected to the middle position of the upper end of the rectangular sliding frame 1, the trapezoidal convex strips 1-6 are arranged at the outer ends of the vertical plates 1-5, the groove clamping plates 1-7 are fixedly connected to the rear end of the rectangular sliding frame 1, a plurality of groove clamping grooves 1-8 are formed in the groove clamping plates 1-7, the upper plates 1-9 are fixedly connected to the upper ends of the two vertical plates 1-5 and the groove clamping plates 1-7, and the hook plates 1-10 are fixedly connected to the upper ends of the upper plates 1-9. When the device is used, the hook plates 1-10 can be hung at a designated position, the hook plates 1-10 can also be hung on a transportation device, the hook plates 1-10 are arranged to avoid complicated procedures of installation and disassembly, and the device is convenient to move.
The blood oscillation mixing device for blood detection further comprises a clamping control part 2, wherein the clamping control part 2 comprises a sliding part 2-1, rectangular grooves 2-2, trapezoidal grooves 2-3, a rear inserting plate 2-4, clamping rods 2-5, a sliding rod seat 2-6, a sliding rod 2-7, a spring II 2-8, a pulling plate 2-9 and a hinged plate 2-10, the left end and the right end of the sliding part 2-1 are respectively provided with the rectangular grooves 2-2, the outer end of the rectangular groove 2-2 is provided with the trapezoidal groove 2-3, the sliding part 2-1 is connected to the two vertical plates 1-5 in a sliding manner through the two rectangular grooves 2-2, the trapezoidal groove 2-3 is connected to the trapezoidal convex strips 1-6 in a sliding manner, the rear inserting plate 2-4 is fixedly connected to the rear end of the sliding part 2-1, the two clamping rods 2-5 are connected to the rear inserting plate 2-4 in a sliding mode, the rear end faces of the two clamping rods 2-5 are attached to the slot plates 1-7, the front end of the sliding piece 2-1 is fixedly connected with a sliding rod seat 2-6, the middle ends of the two sliding rods 2-7 are connected to the sliding rod seat 2-6 in a sliding mode, the rear ends of the two sliding rods 2-7 are fixedly connected to the two clamping rods 2-5 respectively, springs II 2-8 are sleeved on the two sliding rods 2-7 between the sliding rod seat 2-6 and the two clamping rods 2-5 respectively, the front ends of the two sliding rods 2-7 are fixedly connected with pull plates 2-9, the left end and the right end of the sliding piece 2-1 are hinged to form hinge plates 2-10, and the other ends of the two hinge plates 2-10 are hinged to the upper ends of the two vertical. When the device is used, the slider 2-1 can slide on the vertical plates 1-5 and the trapezoidal convex strips 1-6 to drive the two hinged plates 2-10 to rotate, the two hinged plates 2-10 rotate to drive the two vertical driving clamping plates 3 to simultaneously slide in the opposite directions or in the opposite directions on the rectangular sliding frame 1, the two clamping rods 2-5 are clamped in the clamping grooves 1-8, the positions of the two vertical driving clamping plates 3 can be fixed, the pulling plates 2-9 are pulled forwards to drive the two sliding rods 2-7 and the two clamping rods 2-5 to slide forwards, and the positions of the two vertical driving clamping plates 3 can be set after the clamping rods 2-5 are separated from the clamping grooves 1-8.
The vertical driving splint 3 is further provided with wheel tooth grooves 3-8, motors 3-9 and incomplete gears 3-10, the wheel tooth grooves 3-8 are formed in the outer side face of the vertical driving splint 3 at the left end, wheel teeth are arranged on the right end face of the wheel tooth grooves 3-8, the motors 3-9 are fixedly connected to a motor frame on the vertical driving splint 3 at the left end, and the output ends of the motors 3-9 are fixedly connected with the incomplete gears 3-10.
The left clamping piece 4 further comprises a rotating rod 4-5, a connecting rod 4-6, a connecting rod sliding seat 4-7, an external threaded rod 4-8, a threaded rod seat 4-9 and a seat plate 4-18, the left end of the left fixed round rod 4-3 is fixedly connected with the rotating rod 4-5, the other end of the rotating rod 4-5 is hinged with the connecting rod 4-6, the lower end of the left sliding block 4-1 is fixedly connected with the seat plate 4-18, the seat plate 4-18 is fixedly connected with the two threaded rod seats 4-9, the external threaded rod 4-8 is fixedly connected between the two threaded rod seats 4-9, the external threaded rod 4-8 is connected onto the connecting rod sliding seat 4-7 through threads, and the lower end of the connecting rod 4-6 is hinged onto the connecting rod sliding seat 4-7. When the device is used, the external threaded rod 4-8 rotates to drive the connecting rod sliding seat 4-7 to reciprocate up and down, the connecting rod sliding seat 4-7 drives the rotating rod 4-5 to do circular motion through the connecting rod 4-6, the rotating rod 4-5 drives the left fixed round rod 4-3 and the left arc-shaped clamping piece 4-4 to do circular motion, the left arc-shaped clamping piece 4-4 drives the collection box of the blood collection test tube, the right fixed round rod 5-3 and the right arc-shaped clamping piece 5-4 to rotate, and therefore rotary mixing of blood is achieved.
The left clamping piece 4 further comprises second bevel gears 4-10, shaft brackets 4-11, gear shafts 4-12, first bevel gears 4-13, driving wheels 4-14, rack plates 4-15, gear grooves 4-16 and driving wheels 4-17, the upper ends of the external threaded rods 4-8 penetrate through the threaded rod seats 4-9 at the upper ends, the upper ends of the external threaded rods 4-8 are fixedly connected with the second bevel gears 4-10, the lower ends of the left slider protruding edges 4-2 at the front end of the left end are fixedly connected with the shaft brackets 4-11, the gear shafts 4-12 are rotatably connected onto the shaft brackets 4-11, the first bevel gears 4-13 are fixedly connected onto the front ends of the gear shafts 4-12, the first bevel gears 4-13 are meshed with the second bevel gears 4-10, the driving wheels 4-14 are fixedly connected onto the rear ends of the gear shafts 4-12, the rear end of a left slider convex edge 4-2 at the front end of the left end is fixedly connected with a rack plate 4-15, an incomplete gear 3-10 is meshed with the rack plate 4-15, the lower end of the rack plate 4-15 is provided with a gear groove 4-16, a driving wheel 4-17 is rotatably connected in the gear groove 4-16 through a short shaft, the rear end of the driving wheel 4-17 is meshed with gear teeth in the gear groove 3-8, and the front end of the driving wheel 4-17 is meshed with a transmission wheel 4-14. When the device is used, the motor 3-9 is connected with a lead and is turned on through a control switch, the motor 3-9 drives the incomplete gear 3-10 to rotate anticlockwise, the incomplete gear 3-10 drives the rack plate 4-15 to move upwards, the rack plate 4-15 drives the left slider 4-1 to slide upwards in the vertical groove 3-4 at the left end, the left slider 4-1 drives the left arc-shaped clamping piece 4-4 and the collection box of the blood collection test tube to move upwards, the spring III 3-7 is compressed, when the incomplete gear 3-10 is disengaged from the rack plate 4-15, the left slider 4-1 slides downwards in the vertical groove 3-4 at the left end under the elastic force of the spring III 3-7, the left arc-shaped clamping piece 4-4 and the collection box of the blood collection test tube are moved downwards, after the incomplete gears 3-10 are re-meshed with the rack plates 4-15, the collection box of the blood collection test tube moves upwards, so that the collection box of the blood collection test tube reciprocates up and down to vibrate blood up and down; when the rotating rod 4-5 moves up and down, the driving wheel 4-17 rotates by meshing with the gear teeth in the gear tooth groove 3-8, the driving wheel 4-17 drives the driving wheel 4-14 to rotate, the driving wheel 4-14 drives the first bevel gear 4-13 to rotate, the first bevel gear 4-13 drives the second bevel gear 4-10 to rotate, and the second bevel gear 4-10 drives the external threaded rod 4-8 to rotate.
The invention relates to a working principle of a blood oscillation mixing device for blood detection, which comprises the following steps: when the device is used, the hook plates 1-10 can be hung at a designated position, the hook plates 1-10 can also be hung on a transportation device, the hook plates 1-10 are arranged to avoid complicated procedures of installation and disassembly, and the device is convenient to move. Two vertical drive cleats 3 can slide on the rectangular carriage 1. The vertical driving clamping plate 3 at the left end slides left and right on the rectangular sliding frame 1 to drive the left clamping piece 4 to slide left and right, the left fixed round rod 4-3 and the left arc-shaped clamping piece 4-4 can rotate in the left sliding block 4-1, and the left sliding block 4-1 is prevented from moving left and right by the four left sliding block convex edges 4-2 and the position of the left sliding block 4-1. A vertical driving clamping plate 3 at the right end slides left and right on the rectangular sliding frame 1 to drive the right clamping piece 5 to slide left and right, and when the left clamping piece 4 and the right clamping piece 5 move oppositely at the same time, the collection box with a plurality of blood collection test tubes is clamped; the right fixed round rod 5-3 and the right arc-shaped clamping piece 5-4 can rotate in the right sliding block 5-1, and the four right sliding block convex ribs 5-2 limit the position of the right sliding block 5-1 to prevent the right sliding block 5-1 from moving left and right. The slider 2-1 can slide on the vertical plates 1-5 and the trapezoidal convex strips 1-6 to drive the two hinged plates 2-10 to rotate, the two hinged plates 2-10 rotate to drive the two vertical driving clamping plates 3 to simultaneously slide in the opposite directions or in the opposite directions on the rectangular sliding frame 1, the two clamping rods 2-5 are clamped in the clamping grooves 1-8, the positions of the two vertical driving clamping plates 3 can be fixed, the pulling plates 2-9 are pulled forwards to drive the two sliding rods 2-7 and the two clamping rods 2-5 to slide forwards, and the positions of the two vertical driving clamping plates 3 can be set after the clamping rods 2-5 are separated from the clamping grooves 1-8. The external thread rod 4-8 rotates to drive the connecting rod sliding seat 4-7 to reciprocate up and down, the connecting rod sliding seat 4-7 drives the rotating rod 4-5 to do circular motion through the connecting rod 4-6, the rotating rod 4-5 drives the left fixed round rod 4-3 and the left arc-shaped clamping piece 4-4 to do circular motion, the left arc-shaped clamping piece 4-4 drives the collection box of the blood collection test tube, the right fixed round rod 5-3 and the right arc-shaped clamping piece 5-4 to rotate, and therefore rotary mixing of blood is achieved. When the motor 3-9 is connected with a lead and is turned on by a control switch, the motor 3-9 drives the incomplete gear 3-10 to rotate anticlockwise, the incomplete gear 3-10 drives the rack plate 4-15 to move upwards, the rack plate 4-15 drives the left slider 4-1 to slide upwards in the vertical groove 3-4 at the left end, the left slider 4-1 drives the left arc-shaped clamping piece 4-4 and the collection box of the blood collection test tube to move upwards, the spring III 3-7 is compressed, when the incomplete gear 3-10 is disengaged from the rack plate 4-15, the left slider 4-1 slides downwards in the vertical groove 3-4 at the left end under the elastic action of the spring III 3-7, the left arc-shaped clamping piece 4-4 and the collection box of the blood collection test tube are moved downwards, and after the incomplete gear 3-10 is re-engaged with the rack plate 4-15, the collection box of the blood collection test tube moves upwards, so that the collection box of the blood collection test tube reciprocates up and down to vibrate blood up and down; when the rotating rod 4-5 moves up and down, the driving wheel 4-17 rotates by meshing with the gear teeth in the gear tooth groove 3-8, the driving wheel 4-17 drives the driving wheel 4-14 to rotate, the driving wheel 4-14 drives the first bevel gear 4-13 to rotate, the first bevel gear 4-13 drives the second bevel gear 4-10 to rotate, and the second bevel gear 4-10 drives the external threaded rod 4-8 to rotate.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and that various changes, modifications, additions and substitutions which are within the spirit and scope of the present invention and which may be made by those skilled in the art are also within the scope of the present invention.