Volleyball training ball throwing machine capable of being adjusted at multiple angles
By introducing multi-directional adjustment and lateral movement mechanisms into the volleyball training ball thrower, the problem of single angle adjustment and insufficient flexibility in the prior art is solved, and more efficient and flexible training effects are achieved.
Patent Information
- Application Number
- CN202420653582.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-01
- Publication Date
- 2025-02-11
- Estimated Expiration
- 2034-04-01
AI Technical Summary
The existing volleyball training ball thrower can only adjust the angle up and down, and cannot move horizontally, resulting in a decrease in training effect.
A volleyball training ball throwing machine that can be adjusted from multiple angles is designed, using a multi-directional adjustment mechanism and a lateral movement mechanism to realize the multi-directional adjustment and lateral movement of the ball throwing machine.
Through multi-directional adjustment and lateral movement, the difficulty and flexibility of training are improved, and the training effect and practicality are significantly improved.
Smart Images
Figure CN222445332U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of volleyball training ball throwing machines, in particular to a volleyball training ball throwing machine which can be adjusted at multiple angles. Background Art
[0002] Volleyball is a ball sport. In volleyball training, it is usually necessary to continuously throw and hit the ball. Manually throwing the ball for a long time will cause hand soreness, so the use of a ball throwing machine greatly improves the training efficiency.
[0003] An existing volleyball training ball throwing machine with multi-angle adjustment includes a frame, which is pushed to the training ground by a staff member, a handle connected to the outer shaft of the frame, and one end of the handle passes through the frame bevel gear transmission to be connected to a screw, and the screw shaft is connected to the adjustment slot, and the adjustment slot is opened on the top of the frame, and the screw thread sleeve is provided with an adjustment rod, and the top of the adjustment rod passes through the adjustment slot shaft to be connected to a ball placing barrel; the ball throwing barrel passes through and is fixed to the bottom of the ball placing barrel, and the end of the ball throwing barrel is connected to a telescopic rod through a universal ball connector, and one end of the telescopic rod is fixed to the inner side of the frame, and the ball throwing barrel is connected to a ball throwing plate through four circumferentially distributed springs; an operating panel is fixed between the ball throwing barrel and the ball placing barrel, and a motor is embedded and fixed in the operating panel. The ball throwing machine for volleyball training realizes automatic arrangement and throwing of volleyballs, and adjusts the throwing angle at the same time.
[0004] However, the existing volleyball training ball throwing machine with multi-angle adjustment can only adjust the angle up and down. For volleyball training, it is not possible to just adjust the height to increase the difficulty of catching the ball. In addition, the above patent cannot automatically move horizontally when in use, and the flexibility of the volleyball training ball throwing machine cannot be improved, which greatly reduces the training effect. Therefore, we propose a volleyball training ball throwing machine with multi-angle adjustment. Utility Model Content
[0005] In view of the deficiencies in the prior art, the utility model provides a volleyball training throwing machine that can be adjusted at multiple angles, which solves the problems raised in the above-mentioned background technology.
[0006] To achieve the above objectives, the utility model is implemented through the following technical solutions: a volleyball training ball throwing machine with multi-angle adjustment, including a base, characterized in that: a multi-directional adjustment mechanism is arranged on the top of the base, a launching tube is rotatably connected to the top of the multi-directional adjustment mechanism, a launching port is fixedly connected to one side of the launching tube, a ball storage tube is fixedly connected to the top of the launching port, a fixing rod is fixedly connected to the bottom of the ball storage tube and located at the top of the launching tube, third grooves are opened on both sides of the inner wall of the launching tube, a third slider is slidably connected to the inside of the third groove, a launching plate is fixedly connected to one side where two third sliders are close to each other, and the The ejection plate is slidably connected to the ejection tube, a magnet is fixedly connected to one side of the ejection plate, a third electric push rod is fixedly connected to the inside of the ejection tube and on one side of the magnet, an electromagnetic block is fixedly connected to the output end of the third electric push rod, a spring is arranged inside the ejection tube and on both sides of the third electric push rod, one end of the spring is fixedly connected to the ejection plate, a slide groove is provided at the bottom of the ball storage tube, a fixed column is slidably connected to the inside of the slide groove, two second electric push rods are fixedly connected to the top of the ejection tube, the output ends of the two second electric push rods are fixedly connected to the fixed column, and a lateral moving mechanism is arranged at the bottom of the base.
[0007] Preferably, the multi-directional adjustment mechanism includes a first rotating shaft, which is rotatably connected to the top of the base, and a rotating disk is fixedly connected to the top of the first rotating shaft. Both sides of the top of the rotating disk are fixedly connected to fixed columns, and a first groove is provided on the side where the two fixed columns are close to each other, and a first guide rod is fixedly connected to the inside of one of the first grooves, and a first screw rod is rotatably connected to the inside of the other first groove, and a first slider is provided on the outside of the first screw rod and the first guide rod, and the first slider is slidably connected to the first guide rod, and the first guide rod is threadedly connected to the first screw rod, and a first motor is fixedly connected to the top of the fixed column, and an output end of one of the first motors is fixedly connected to the first screw rod, and a connecting seat is fixedly connected to the side where the two first guide rods are close to each other, and the top of the connecting seat is rotatably connected to the projectile tube, and a connecting plate is fixedly connected to one side of the connecting seat and located below the projectile tube, and a first electric push rod is fixedly connected to the top of the connecting plate, and the output end of the first electric push rod contacts the projectile tube, which is conducive to driving the projectile tube for multi-directional adjustment, thereby effectively improving the difficulty of training, thereby greatly improving the training effect.
[0008] Preferably, the lateral movement mechanism includes a fixed block, which is slidably connected to the bottom of the base, and two second grooves are provided inside the base and on both sides of the fixed block, wherein the second guide rods are fixedly connected inside two of the second grooves, and the second screw rods are rotatably connected inside the other two second grooves, and the second screw rods are provided with second sliders on the outside of the second screw rod and the second guide rod, and the second slider is slidably connected to the second guide rod, and the second slider is threadedly connected to the second screw rod, and four second sliders are fixedly connected to the fixed block, and the second rotating shaft is rotatably connected inside the fixed block, and the two ends of the second rotating shaft are fixedly connected to the worm gear, and two third rotating shafts are rotatably connected inside the fixed block and located below the second rotating shaft, and the outer side of the third rotating shaft is fixedly connected to a worm, and the worm and the worm gear are meshed, and the two ends of the third rotating shaft and on both sides of the fixed block are fixedly connected to moving wheels, and a third motor is fixedly installed inside the fixed block, and the output end of the third motor is fixedly connected to the second rotating shaft, which is conducive to driving the training ball throwing machine to move laterally, thereby effectively improving the flexibility of the ball throwing machine, thereby improving the training effect.
[0009] Preferably, the tops of the two second screw rods and the interior of the base are fixedly connected with pulleys, the internal transmission of the two pulleys is connected with belts, and a fourth motor is fixedly installed inside the base, and the output end of the fourth motor is fixedly connected to one of the pulleys, which is conducive to driving the fixed block to descend and is easy to use.
[0010] Preferably, two universal wheels are fixedly connected to the bottom and corresponding sides of the base, and a handle is fixedly connected to one side of the base, which is convenient for carrying the ball throwing machine.
[0011] Preferably, a control panel is fixedly connected to one side of the base, and the first electric push rod, the second electric push rod, the first motor, the second motor, the fourth motor, the third motor, the third electric push rod, and the electromagnetic block are all electrically connected to the control panel, which is convenient for training and use.
[0012] The utility model provides a volleyball training throwing machine which can be adjusted at multiple angles and has the following beneficial effects:
[0013] 1. The volleyball training throwing machine with multi-angle adjustment can adjust the angle not only up and down but also left and right during training by adopting a multi-directional adjustment mechanism, so that the throwing machine can hit volleyballs in different directions during training, thereby effectively increasing the difficulty of training, significantly improving the effect of training, and greatly improving the practicality.
[0014] 2. The volleyball training ball throwing machine with multi-angle adjustment adopts a lateral moving mechanism, which can drive the entire ball throwing machine to move laterally during training, thereby greatly improving the flexibility of the ball throwing machine, allowing the ball throwing machine to adjust its position to increase the difficulty, and the ball throwing machine will not be affected in transportation when stored, thereby greatly improving the practicality of the ball throwing machine. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 It is a cross-sectional view of the utility model;
[0017] Figure 3 It is a side view of the utility model;
[0018] Figure 4 This is a schematic diagram of the position of the lateral moving mechanism of the utility model;
[0019] Figure 5 It is a cross-sectional view of the lateral movement mechanism of the utility model;
[0020] Figure 6 For this utility model Figure 2 Enlarged view of point A in .
[0021] In the figure: 1, base; 2, first electric push rod; 3, ejection tube; 4, ejection port; 5, second electric push rod; 6, fixed rod; 7, ball storage tube; 8, first motor; 9, handle; 10, fixed column; 12, rotating disk; 13, connecting seat; 14, universal wheel; 15, second motor; 16, first rotating shaft; 17, control panel; 18, fixed block; 19, connecting plate; 20, first guide rod; 21, first slot; 22, first slider; 2 3. First screw rod; 24. Fourth motor; 25. Pulley; 26. Belt; 27. Second screw rod; 28. Second guide rod; 29. Second slot; 30. Second slider; 31. Worm gear; 32. Third motor; 33. Second rotating shaft; 34. Worm; 35. Third rotating shaft; 36. Moving wheel; 37. Ejection plate; 38. Magnet; 39. Electromagnetic block; 40. Third electric push rod; 41. Spring; 42. Third slot; 43. Third slider. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0023] See also Figures 1 to 6The utility model provides a technical solution: a volleyball training ball throwing machine with multi-angle adjustment, comprising a base 1, characterized in that: a multi-directional adjustment mechanism is arranged on the top of the base 1, the top of the multi-directional adjustment mechanism is rotatably connected with a projectile tube 3, a projectile port 4 is fixedly connected to one side of the projectile tube 3, a ball storage tube 7 is fixedly connected to the top of the projectile port 4, a fixing rod 6 is fixedly connected to the bottom of the ball storage tube 7 and located at the top of the projectile tube 3, third grooves 42 are provided on both sides of the inner wall of the projectile tube 3, a third slider 43 is slidably connected inside the third groove 42, a catapult plate 37 is fixedly connected to one side of the two third sliders 43 close to each other, the catapult plate 37 is slidably connected to the projectile tube 3, a magnet 38 is fixedly connected to one side of the catapult plate 37, a third electric push rod 40 is fixedly connected to the inside of the projectile tube 3 and located at one side of the magnet 38, an electromagnetic block 39 is fixedly connected to the output end of the third electric push rod 40, and a third electric push rod 40 is fixedly connected to the output end of the third electric push rod 40. Springs 41 are provided on both sides of the electric push rod 40, one end of the spring 41 is fixedly connected to the ejection plate 37, a slide groove is provided at the bottom of the ball storage tube 7, and a fixed column 10 is slidably connected inside the slide groove, and two second electric push rods 5 are fixedly connected to the top of the ejection tube 3, and the output ends of the two second electric push rods 5 are fixedly connected to the fixed column 10. A lateral moving mechanism is provided at the bottom of the base 1, and the second electric push rod 5 is started through the control panel 17 to pull the fixed column 10 into the inside of the slide groove, so that the volleyball falls into the inside of the ejection tube 3, and the second electric push rod 5 is started again to push the fixed column 10 back to fix the remaining volleyballs, and the third electric push rod 40 and the electromagnetic block 39 are started through the control panel 17, so that the electromagnetic block 39 is adsorbed with the magnet 38, driving the ejection plate 37 and the third slider 43 to slide, and squeezing the spring 41, and closing the electromagnetic block 39, the compressed spring 41 pushes the ejection plate 37 and throws the volleyball out.
[0024] The multi-directional adjustment mechanism includes a first rotating shaft 16, which is rotatably connected to the top of the base 1, and a rotating disk 12 is fixedly connected to the top of the first rotating shaft 16. Both sides of the top of the rotating disk 12 are fixedly connected to fixed columns 10, and a first groove 21 is provided on the side where the two fixed columns 10 are close to each other, wherein a first guide rod 20 is fixedly connected to the inside of one of the first grooves 21, and a first screw rod 23 is rotatably connected to the inside of the other first groove 21, and a first slider 22 is provided on the outer sides of the first screw rod 23 and the first guide rod 20, and the first slider 22 is slidably connected to the first guide rod 20, and the first guide rod 20 is threadedly connected to the first screw rod 23, and a first motor 8 is fixedly connected to the top of the fixed column 10, and an output end of one of the first motors 8 is fixedly connected to the first screw rod 23, and a connecting seat 13 is fixedly connected to the side where the two first guide rods 20 are close to each other, and the top of the connecting seat 13 is rotatably connected to the projectile tube 3, and one side of the connecting seat 13 and located below the projectile tube 3 is fixed. A connecting plate 19 is fixedly connected, and a first electric push rod 2 is fixedly connected to the top of the connecting plate 19. The output end of the first electric push rod 2 is in contact with the projectile tube 3. The second motor 15 is started through the control panel 17, so that the second motor 15 drives the first rotating shaft 16 and the rotating disk 12 to rotate, thereby adjusting the left and right angles of the projectile tube 3. When the height needs to be increased, the first electric push rod 2 is started through the control panel 17 to adjust the up and down angles of the projectile tube 3. When the up and down angles are small, the first motor 8 can be started through the control panel 17, so that the first motor 8 drives the first screw rod 23 to rotate. The rotating first screw rod 23 drives the first slider 22 to slide inside the first groove 21, and drives another first slider 22 to slide inside the first groove 21 outside the first guide rod 20, thereby driving the connecting seat 13 to rise, increasing the height to increase the height of the projectile, which is conducive to driving the projectile tube 3 for multi-directional adjustment, thereby effectively increasing the difficulty of training, thereby greatly improving the training effect.
[0025] The lateral movement mechanism includes a fixed block 18, which is slidably connected to the bottom of the base 1. Two second grooves 29 are provided inside the base 1 and on both sides of the fixed block 18. The second guide rods 28 are fixedly connected inside the two second grooves 29, and the second screw rods 27 are rotatably connected inside the other two second grooves 29. The second sliders 30 are provided on the outer sides of the second screw rod 27 and the second guide rod 28. The second slider 30 is slidably connected to the second guide rod 28, and the second slider 30 is threadedly connected to the second screw rod 27. The four second sliders 30 The fixing block 18 is fixedly connected, the fixing block 18 is internally rotatably connected with a second rotating shaft 33, both ends of the second rotating shaft 33 are fixedly connected with a worm gear 31, the fixing block 18 is internally and located below the second rotating shaft 33 and is rotatably connected with two third rotating shafts 35, the outer side of the third rotating shaft 35 is fixedly connected with a worm 34, the worm 34 and the worm gear 31 are meshed, both ends of the third rotating shaft 35 and both sides of the fixing block 18 are fixedly connected with a moving wheel 36, the fixing block 18 is internally fixedly installed with a third motor 32, the output end of the third motor 32 is connected to the second rotating shaft The shaft 33 is fixedly connected, which is conducive to driving the training ball throwing machine to move horizontally, thereby effectively improving the flexibility of the ball throwing machine, thereby improving the training effect. The top of the two second screw rods 27 and the interior of the base 1 are fixedly connected with a pulley 25, and the internal transmission of the two pulleys 25 is connected with a belt 26. The fourth motor 24 is fixedly installed inside the base 1, and the output end of the fourth motor 24 is fixedly connected to one of the pulleys 25. The fourth motor 24 is started through the control panel 17, so that the fourth motor 24 drives the pulley 25 to rotate, and the rotating belt The wheel 25 is driven by the belt 26 to drive another pulley 25, thereby driving the two second screw rods 27 to rotate inside the second groove 29, and driving the second slider 30 and the fixed block 18 to descend, so that the ball throwing machine is lifted up, and the third motor 32 is started through the control panel 17, and the second rotating shaft 33 and the worm wheel 31 can be driven by the third motor 32, so that the worm wheel 31 is engaged with the worm 34, and drives the worm 34 and the third rotating shaft 35 to rotate, so that the moving wheel 36 rotates to drive the ball throwing machine to move horizontally, which is conducive to driving the fixed block 18 to descend and is easy to use.
[0026] Two universal wheels 14 are fixedly connected to the bottom and corresponding sides of the base 1. A handle 9 is fixedly connected to one side of the base 1, which is convenient for carrying the ball throwing machine. A control panel 17 is fixedly connected to one side of the base 1. The first electric push rod 2, the second electric push rod 5, the first motor 8, the second motor 15, the fourth motor 24, the third motor 32, the third electric push rod 40, and the electromagnetic block 39 are all electrically connected to the control panel 17, which is convenient for training and makes it more convenient to use.
[0027] In summary, when the volleyball training ball throwing machine with multi-angle adjustment is used, first, the second electric push rod 5 is started through the control panel 17 to pull the fixed column 10 into the inside of the slide groove, so that the volleyball falls into the inside of the projectile tube 3, and the second electric push rod 5 is started again to push the fixed column 10 back to fix the remaining volleyballs, and the third electric push rod 40 and the electromagnetic block 39 are started through the control panel 17, so that the electromagnetic block 39 is adsorbed with the magnet 38, driving the ejection plate 37 and the third slider 43 to slide, and the spring 41 is squeezed, and the electromagnetic block 39 is closed. The compressed spring 41 pushes the ejection plate 37 and throws the volleyball. When it is necessary to adjust the direction to increase the difficulty, the second motor 15 is started through the control panel 17, so that the second motor 15 drives the first rotating shaft 16 and the rotating disk 12 to rotate, thereby adjusting the left and right angles of the projectile tube 3. When it is necessary to increase the height, the first electric push rod 2 is started through the control panel 17 to adjust the up and down angles of the projectile tube 3. When the up and down angles are small, the control panel can be used to adjust the height. 17 starts the first motor 8, so that the first motor 8 drives the first screw rod 23 to rotate, and the rotating first screw rod 23 drives the first slider 22 to slide inside the first groove 21, and drives another first slider 22 to slide inside the first groove 21 outside the first guide rod 20, thereby driving the connecting seat 13 to rise, increasing the height to increase the height of the projectile. When the position of the ball throwing machine needs to be changed, the fourth motor 24 is started through the control panel 17, so that the fourth motor 24 drives the pulley 25 to rotate, and the rotating pulley 25 is driven by the belt 26 to drive another pulley 25, thereby driving the two second screw rods 27 to rotate inside the second groove 29, and driving the second slider 30 and the fixed block 18 to descend, so that the ball throwing machine is lifted up, and the third motor 32 is started through the control panel 17, and the second rotating shaft 33 and the worm gear 31 can be driven by the third motor 32, so that the worm gear 31 is meshed with the worm 34, and the worm 34 and the third rotating shaft 35 are driven to rotate, so that the moving wheel 36 rotates to drive the ball throwing machine to move horizontally.
[0028] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A volleyball training throwing machine with multi-angle adjustment, comprising a base (1), characterized in that: A multidirectional adjustment mechanism is provided on the top of the base (1), the top of the multidirectional adjustment mechanism is rotatably connected to a projectile tube (3), one side of the projectile tube (3) is fixedly connected to a projectile port (4), the top of the projectile port (4) is fixedly connected to a ball storage tube (7), the bottom of the ball storage tube (7) and the top of the projectile tube (3) are fixedly connected to a fixing rod (6), both sides of the inner wall of the projectile tube (3) are provided with a third groove (42), the inside of the third groove (42) is slidably connected to a third slider (43), a side of the two third sliders (43) close to each other is fixedly connected to a catapult plate (37), the catapult plate (37) is slidably connected to the projectile tube (3), and one side of the catapult plate (37) is fixedly connected to a magnet ( 38), a third electric push rod (40) is fixedly connected inside the ejection tube (3) and located on one side of the magnet (38), an output end of the third electric push rod (40) is fixedly connected to an electromagnetic block (39), a spring (41) is arranged inside the ejection tube (3) and located on both sides of the third electric push rod (40), one end of the spring (41) is fixedly connected to the ejection plate (37), a slide groove is provided at the bottom of the ball storage tube (7), a fixed column (10) is slidably connected inside the slide groove, two second electric push rods (5) are fixedly connected to the top of the ejection tube (3), the output ends of the two second electric push rods (5) are fixedly connected to the fixed column (10), and a lateral moving mechanism is arranged at the bottom of the base (1).
2. A volleyball training throwing machine with multi-angle adjustment according to claim 1, characterized in that: The multi-directional adjustment mechanism comprises a first rotating shaft (16), the first rotating shaft (16) is rotatably connected to the top of the base (1), the top of the first rotating shaft (16) is fixedly connected to a rotating disk (12), both sides of the top of the rotating disk (12) are fixedly connected to fixed columns (10), and a first groove (21) is provided on the sides of the two fixed columns (10) close to each other, one of the first grooves (21) is fixedly connected to a first guide rod (20), and the other first groove (21) is rotatably connected to a first screw rod (23), and the outer sides of the first screw rod (23) and the first guide rod (20) are both provided with a first slider (22), and the first slider (22) is connected to the first guide rod (20). The first guide rod (20) is slidably connected to the rod (20), the first guide rod (20) is threadedly connected to the first screw rod (23), the top of the fixed column (10) is fixedly connected to the first motor (8), one of the output ends of the first motor (8) is fixedly connected to the first screw rod (23), the two first guide rods (20) are fixedly connected to a connecting seat (13) on the side close to each other, the top of the connecting seat (13) is rotatably connected to the projectile tube (3), one side of the connecting seat (13) and located below the projectile tube (3) is fixedly connected to a connecting plate (19), the top of the connecting plate (19) is fixedly connected to the first electric push rod (2), and the output end of the first electric push rod (2) is in contact with the projectile tube (3).
3. The multi-angle adjustable volleyball training throwing machine according to claim 1, characterized in that: The lateral movement mechanism comprises a fixed block (18), the fixed block (18) is slidably connected to the bottom of the base (1), two second grooves (29) are provided inside the base (1) and on both sides of the fixed block (18), two of the second grooves (29) are fixedly connected to the inside of the second guide rods (28), and the other two second grooves (29) are rotatably connected to the inside of the second screw rod (27), and the second sliders (30) are arranged on the outer sides of the second screw rod (27) and the second guide rod (28), the second sliders (30) are slidably connected to the second guide rod (28), the second sliders (30) are threadedly connected to the second screw rod (27), and the four second sliders (30) are connected to the fixed block. (18) is fixedly connected, the interior of the fixed block (18) is rotatably connected with a second rotating shaft (33), both ends of the second rotating shaft (33) are fixedly connected with a worm gear (31), the interior of the fixed block (18) and located below the second rotating shaft (33) are rotatably connected with two third rotating shafts (35), the outer side of the third rotating shaft (35) is fixedly connected with a worm gear (34), the worm gear (34) and the worm gear (31) are meshed, and both ends of the third rotating shaft (35) and located on both sides of the fixed block (18) are fixedly connected with moving wheels (36), and the interior of the fixed block (18) is fixedly installed with a third motor (32), and the output end of the third motor (32) is fixedly connected to the second rotating shaft (33).
4. The multi-angle adjustable volleyball training throwing machine according to claim 3, characterized in that: A pulley (25) is fixedly connected to the top of the two second screw rods (27) and located inside the base (1); a belt (26) is connected to the inside of the two pulleys (25); a fourth motor (24) is fixedly installed inside the base (1); and an output end of the fourth motor (24) is fixedly connected to one of the pulleys (25).
5. The multi-angle adjustable volleyball training throwing machine according to claim 1, characterized in that: Two universal wheels (14) are fixedly connected to the bottom and corresponding sides of the base (1), and a handle (9) is fixedly connected to one side of the base (1).
6. The multi-angle adjustable volleyball training throwing machine according to claim 2, characterized in that: A control panel (17) is fixedly connected to one side of the base (1); the first electric push rod (2), the second electric push rod (5), the first motor (8), the second motor (15), the fourth motor (24), the third motor (32), the third electric push rod (40), and the electromagnetic block (39) are all electrically connected to the control panel (17).