A detachable cabin new-born baby incubator facilitating cleaning care
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- BNG MEDICAL INSTR CO LTD
- Filing Date
- 2026-06-24
- Publication Date
- 2026-08-07
AI Technical Summary
[0005]为了克服现有固定式床体培育箱护理垫需手动更换且床垫难以拆卸,易导致新生儿频繁搬动、清洁困难及交叉感染风险的缺点,本发明提供一种便于清洁护理的可拆卸舱体新生儿培育箱
[0016]本发明的有益效果:1、通过铺垫机构中驱动电机、收卷辊与放卷辊的协同运作,实现污染护理垫的自动收卷与干净护理垫的同步铺设,无需人工频繁更换,显著减少对新生儿的搬动和扰动时间,提升护理效率与舒适性;
Smart Images

Figure CN122515971A_ABST
Abstract
Description
Technical Field
[0001] This invention belongs to the field of neonatal medical care equipment, and in particular relates to a detachable neonatal incubator that is easy to clean and care for. Background Technology
[0002] Neonatal incubators are medical devices that provide a constant temperature, humidity, and clean environment for premature infants, low birth weight infants, and other newborns who require special care. Their core function is to simulate the stable physiological environment inside the mother's uterus, providing a controllable, safe, and clean life support space for vulnerable newborns.
[0003] Most existing incubators have a fixed bed structure. Excrement and vomit produced by newborns living in the incubator can easily contaminate the mattress. To avoid frequent wiping and disinfection of the entire mattress, the conventional practice is to lay a disposable nursing pad on the mattress. When the nursing pad is contaminated, the newborn usually needs to be removed and manually replaced by caregivers through a narrow operating window or an open door. This is not only inconvenient, but frequent moving and disturbing of the newborn can affect the newborn's comfort and physiological stability. More seriously, once contaminants seep through the nursing pad and contaminate the mattress underneath, since the mattress is usually fixed to the incubator frame, it is difficult to completely disassemble and clean, posing a risk of cross-infection.
[0004] Therefore, there is a particular need for a newborn incubator with a detachable chamber that is easy to clean and care for, in order to solve the above problems. Summary of the Invention
[0005] To overcome the shortcomings of existing fixed-bed incubators where the nursing pad needs to be manually replaced and the mattress is difficult to remove, which easily leads to frequent movement of newborns, cleaning difficulties, and the risk of cross-infection, this invention provides a newborn incubator with a detachable chamber that is easy to clean and care for.
[0006] This invention is achieved through the following technical means: a detachable neonatal incubator with easy cleaning and care, comprising a movable seat, a frame, baffles, a controller, connecting plates, pulleys, axles, vertical plates, horizontal plates, a mattress, a retaining plate, a padding mechanism, and a lifting and locking mechanism. The frame is fixedly connected to the upper part of the movable seat. Baffles are installed on the front and rear sides of the frame, and a controller is installed on the front baffle. Two guide grooves are symmetrically opened on the front and rear sides of the frame. Pulleys are slidably arranged in the guide grooves. Axles are rotatably arranged on the pulleys. A connecting plate is installed on the axle. A vertical plate is fixedly connected between the two horizontal connecting plates. A horizontal plate is fixedly connected between the two vertical plates. A mattress is connected to the top of the horizontal plate. Two retaining plates are longitudinally fixed to the bottom of the horizontal plate.
[0007] Furthermore, the baffle blocks the guide groove and pulley on the same side.
[0008] Furthermore, a padding mechanism is provided on the frame, which includes a drive motor, a take-up roller, an unwind roller, a nursing pad, a synchronous pulley, and a synchronous belt. Two openings are provided on both the left and right sides of the horizontal plate. The drive motor is installed inside the frame and is electrically connected to the controller. The take-up roller and the unwind roller are arranged side by side and rotate inside the frame. The rear ends of the take-up roller and the unwind roller both pass through the rear side baffle. The nursing pad is wound on the unwind roller. One end of the nursing pad is pulled out and wrapped around the take-up roller. The pulled-out part of the nursing pad covers the surface of the mattress and passes through the openings on both sides of the horizontal plate. The output shaft of the drive motor and the rear end of the take-up roller are both fixed with synchronous pulleys. A synchronous belt is wound between the two synchronous pulleys.
[0009] Furthermore, a lifting and locking mechanism is provided between the movable seat, the frame, and the vertical plate. The lifting and locking mechanism includes a connecting rod, a locking rod, a hinge plate, a fixed shaft, a servo motor, a lead screw, and a lifting frame. Two connecting rods are installed side by side between the two vertical plates. Two sliding grooves are opened side by side on the vertical plates. A locking rod is slidably arranged between the two longitudinal sliding grooves. Two fixed shafts are fixedly connected side by side to the upper part of the frame. The front and rear ends of the fixed shafts pass through the front baffle and the rear baffle, respectively. A hinge plate is rotatably arranged between the locking rod and the corresponding fixed shaft. A servo motor is installed on the movable seat. The servo motor is electrically connected to the controller. A lead screw is fixedly connected to the output shaft of the servo motor. A lifting frame is threaded through the lead screw. The lifting frame is fixedly connected to the two connecting rods.
[0010] Furthermore, the front ends of the two levers slide into the left and right ends of the front plate, respectively, and the rear ends of the two levers slide into the left and right ends of the rear plate, respectively.
[0011] Furthermore, it also includes a connecting seat, rollers, a housing, a cover plate, observation window one and observation window two. The connecting seat is installed on the upper part of the frame. Guide grooves two are opened on both the front and rear sides of the connecting seat. Rollers are slidably arranged in the guide grooves two. The housing is fixed between the two rollers. A cover plate is rotatably arranged on the upper left side of the housing. Observation window one is embedded on the right side of the housing. Observation windows two are rotatably arranged on both the front and rear sides of the right side of the housing.
[0012] Furthermore, it also includes an installation plate and a silicone limiting plate. Two installation plates are longitudinally fixed to the top of the horizontal plate, and a silicone limiting plate is installed on the upper part of the installation plate. The two silicone limiting plates press against the front and rear edges of the nursing pad respectively.
[0013] Furthermore, it also includes sliders, guide rollers, and springs. Sliders are slidably arranged on both the left and right sides of the vertical plate, and guide rollers are rotatably arranged between the two sliders in the longitudinal direction. The nursing pad passes around the two guide rollers, and two springs connect the sliders and the vertical plate.
[0014] Furthermore, it also includes a limiting rod, which is fixedly provided on the unwinding roller, and the nursing pad passes around the limiting rod.
[0015] Furthermore, it also includes a support frame, with the support frame installed on the upper part of the frame, and the lead screw passing vertically through the support frame and forming a rotational engagement with the support frame.
[0016] The beneficial effects of the present invention are as follows: 1. Through the coordinated operation of the drive motor, the take-up roller and the untake-up roller in the padding mechanism, the automatic take-up of the soiled nursing pad and the synchronous laying of the clean nursing pad are realized. There is no need for frequent manual replacement, which significantly reduces the time spent moving and disturbing the newborn, and improves nursing efficiency and comfort. The servo motor drives the lead screw in the lifting and locking mechanism to raise the lifting frame, which in turn raises the vertical plate synchronously. In conjunction with the fixed shaft and hinge plate, the locking rod moves along the slide groove and disengages from the locking plate, thereby quickly unlocking the horizontal plate. This facilitates the disassembly of the mattress and enables thorough cleaning and efficient disinfection of the mattress.
[0017] 2. The present invention, through the cooperation of the mounting plate and the silicone limiting plate, ensures that the front and back edges of the nursing pad are flexibly pressed when covering the mattress surface, avoiding curling during use and improving the comfort of newborns.
[0018] 3. By setting up a slider, guide roller and spring, the present invention dynamically adjusts the position of the guide roller during the winding and unwinding process of the nursing pad, maintains stable tension on the conveying path, prevents the nursing pad from loosening, and ensures a smooth and reliable replacement process. Attached Figure Description
[0019] Figure 1 This is a three-dimensional structural diagram of the present invention.
[0020] Figure 2 This is a three-dimensional structural diagram of the mattress, mounting plate, and silicone limiting plate of the present invention.
[0021] Figure 3 This is a three-dimensional structural diagram of the card plate, slide groove, and card rod components of the present invention.
[0022] Figure 4 This is a partial cross-sectional view of the frame component of the present invention.
[0023] Figure 5 This is a three-dimensional structural diagram of the nursing pad, timing pulley, and timing belt components of the present invention.
[0024] Figure 6 This is a three-dimensional structural diagram of the drive motor, winding roller, and synchronous pulley of the present invention.
[0025] Figure 7 This is a three-dimensional structural diagram of the pulley, shaft, and vertical plate components of the present invention.
[0026] Figure 8 This is a schematic diagram of the exploded structure of the present invention.
[0027] Figure 9This is a three-dimensional structural diagram of the servo motor, lead screw, and lifting frame components of the present invention.
[0028] Figure 10 This is a partial cross-sectional view of the horizontal plate and the opening component of the present invention.
[0029] Reference numerals: 1. Movable seat; 2. Frame; 3. Baffle; 4. Controller; 5. Connecting plate; 6. Guide groove 1; 7. Pulley; 71. Shaft; 8. Vertical plate; 81. Connecting rod; 9. Horizontal plate; 91. Opening; 10. Mattress; 101. Mounting plate; 102. Silicone limiting plate; 11. Clamping plate; 12. Slide groove; 13. Clamping rod; 14. Hinge plate; 15. Fixed shaft; 16. Connecting seat; 1 7. Guide groove 2; 18. Roller; 19. Box body; 191. Observation window 1; 20. Cover plate; 21. Observation window 2; 22. Drive motor; 23. Take-up roller; 24. Unwind roller; 25. Nursing pad; 26. Limit rod; 27. Synchronous pulley; 28. Synchronous belt; 29. Servo motor; 30. Lead screw; 31. Lifting frame; 32. Support frame; 33. Slider; 34. Guide roller; 35. Spring. Detailed Implementation
[0030] Example: A removable-body neonatal incubator that is easy to clean and care for, such as... Figures 1-10 As shown, the device includes a movable seat 1, a frame 2, a baffle 3, a controller 4, a connecting plate 5, pulleys 7, a shaft 71, a vertical plate 8, a horizontal plate 9, a mattress 10, a locking plate 11, a mattress laying mechanism, and a lifting and locking mechanism. The frame 2 is fixedly connected to the upper part of the movable seat 1. The baffle 3 is bolted to the front and rear sides of the frame 2. The controller 4 is bolted to the front baffle 3. The controller 4 is a programmable logic controller, model Huichuan Easy. 521-24T4DT, the frame 2 has two symmetrical guide grooves 6 on both the front and back sides. A pulley 7 is slidably installed in the guide groove 6. A baffle 3 blocks the guide groove 6 and the pulley 7 on the same side to ensure that the surface of the frame 2 is flat and to prevent dust accumulation. A shaft 71 is rotatably installed on the pulley 7. A connecting plate 5 is bolted to the shaft 71. A vertical plate 8 is fixedly connected between the two horizontal connecting plates 5. A horizontal plate 9 is fixedly connected between the two vertical plates 8. A mattress 10 is connected to the top of the horizontal plate 9. Two clamping plates 11 are fixedly connected to the bottom of the horizontal plate 9 longitudinally.
[0031] like Figure 1 , Figure 4 , Figure 5 and Figure 6As shown, a padding mechanism is provided on the frame 2. The padding mechanism includes a drive motor 22, a take-up roller 23, an unwind roller 24, a nursing pad 25, a synchronous pulley 27, and a synchronous belt 28. Two openings 91 are provided on both the left and right sides of the horizontal plate 9. The drive motor 22 is bolted to the inside of the frame 2. The drive motor 22 is electrically connected to the controller 4. The take-up roller 23 and the unwind roller 24 are arranged side by side and rotate inside the frame 2. The rear ends of the take-up roller 23 and the unwind roller 24 pass through the rear baffle 3. The nursing pad 25 is wound on the unwind roller 24. One end of the nursing pad 25 is pulled out and wrapped around the take-up roller 23. The part of the nursing pad 25 pulled out covers the surface of the mattress 10 and passes through the openings 91 on both sides of the horizontal plate 9. The output shaft of the drive motor 22 and the rear end of the take-up roller 23 are both fixed with synchronous pulleys 27. A synchronous belt 28 is wound between the two synchronous pulleys 27.
[0032] like Figure 1 , Figure 3 , Figure 4 , Figure 7 , Figure 8 , Figure 9 and Figure 10 As shown, a lifting and locking mechanism is provided between the movable seat 1, the frame 2, and the vertical plate 8. The lifting and locking mechanism includes a connecting rod 81, a locking rod 13, a hinge plate 14, a fixed shaft 15, a servo motor 29, a lead screw 30, and a lifting frame 31. Two connecting rods 81 are bolted together between the two vertical plates 8. Two sliding grooves 12 are provided side by side on the vertical plate 8. A locking rod 13 is slidably arranged between the two longitudinal sliding grooves 12. The front ends of the two locking rods 13 slide into the left and right ends of the front locking plate 11, respectively, and the rear ends of the two locking rods 13 slide into the left and right ends of the rear locking plate 11, respectively, thereby firmly locking the horizontal plate 9 to the two plates. Between the vertical plates 8, the mattress 10 is kept stable and does not shake during use. Two fixed shafts 15 are fixedly connected side by side in the upper part of the frame 2. The front and rear ends of the fixed shafts 15 pass through the front baffle 3 and the rear baffle 3 respectively. A hinge plate 14 is rotatably set between the locking rod 13 and the corresponding fixed shaft 15. A servo motor 29 is connected to the moving seat 1 by bolts. The servo motor 29 is electrically connected to the controller 4. The output shaft of the servo motor 29 extends vertically upward, and a lead screw 30 is fixedly connected to the output shaft by a coupling. A lifting frame 31 is threaded through the lead screw 30. The lifting frame 31 is fixedly connected to two connecting rods 81.
[0033] like Figures 1-3As shown, it also includes a connecting seat 16, rollers 18, a housing 19, a cover plate 20, an observation window 191 and an observation window 21. The upper part of the frame 2 is connected to the connecting seat 16 by bolts. The connecting seat 16 has guide grooves 17 on both the front and rear sides. The rollers 18 are slidably arranged in the guide grooves 17. The housing 19 is fixed between the two rollers 18. The cover plate 20 is rotatably arranged on the upper left side of the housing 19. The observation window 191 is embedded on the right side of the housing 19. The observation windows 21 are rotatably arranged on both the front and rear sides of the right side of the housing 19, which facilitates multi-angle observation and operation.
[0034] like Figure 2 , Figure 4 and Figure 8 As shown, it also includes an installation plate 101 and a silicone limiting plate 102. Two installation plates 101 are fixedly connected to the top of the horizontal plate 9 longitudinally. The silicone limiting plate 102 is connected to the upper part of the installation plate 101 by bolts. The two silicone limiting plates 102 press against the front and rear edges of the nursing pad 25 respectively, thereby limiting the nursing pad 25 to the surface of the mattress 10, preventing the nursing pad 25 from curling during use, and ensuring that the contact surface is flat and comfortable.
[0035] like Figures 8-10 As shown, it also includes a slider 33, a guide roller 34 and a spring 35. Slider 33 is slidably arranged on both the left and right sides of the vertical plate 8. A guide roller 34 is rotatably arranged between the two sliders 33 in the longitudinal direction. The nursing pad 25 passes around the two guide rollers 34. Two springs 35 are connected between the slider 33 and the vertical plate 8. The position of the guide roller 34 can be automatically adjusted by the slider 33 and the spring 35 to maintain the constant tension of the nursing pad 25.
[0036] like Figure 4 As shown, it also includes a limiting rod 26. The limiting rod 26 is fixedly provided on the unwinding roller 24. The nursing pad 25 passes around the limiting rod 26. The limiting rod 26 can limit the lateral displacement of the nursing pad 25 when it is released from the unwinding roller 24, prevent deviation, and ensure the stable and reliable conveying path.
[0037] like Figure 2 , Figure 8 , Figure 9 and Figure 10 As shown, it also includes a support frame 32. The upper part of the frame 2 is connected to the support frame 32 by bolts. The lead screw 30 passes vertically through the support frame 32 and forms a rotational engagement with the support frame 32.
[0038] In use, pull the box body 19 to the right, and the roller 18 will slide to the right along the guide groove 17, thus exposing the mattress 10. Then, place the newborn on the mattress 10, and the nursing pad 25 will cover the surface of the mattress 10 and be in direct contact with the newborn. After placing the newborn, push the box body 19 to the left to reset it. During daily care, the cover 20 can be flipped upwards to open the box body 19, and the observation window 191 and observation window 21 can also be flipped to facilitate inspection or operation. When the nursing pad 25 is soiled, the caregiver should briefly pick up the newborn and start the drive motor 22 through the controller 4. The rotational power of the drive motor 22 is transmitted through the synchronous pulley. 27 and synchronous belt 28 transmit the contaminated nursing pad 25 to the take-up roller 23, causing the take-up roller 23 to rotate clockwise to take in the contaminated nursing pad 25. At the same time, the unwind roller 24 rotates counterclockwise to release the clean nursing pad 25, which is then re-covered on the surface of the mattress 10. During this process, the guide roller 34 moves with the nursing pad 25, causing the slider 33 to slide along the vertical plate 8, compressing or stretching the spring 35 to automatically adjust the tension, maintain stable tension along the conveying path, and prevent the nursing pad 25 from loosening. After replacement, the newborn is placed back into the mattress 10. When the nursing pad 25 is used up, the discarded nursing pad 25 can be pulled out from the take-up roller 23 and wound onto the unwind roller 24. The new nursing pad 25 is wound around the mattress 10, and guided sequentially around the right guide roller 34, through the right opening 91, and onto the surface of the mattress 10. Then it passes through the left opening 91, around the left guide roller 34, and finally winds onto the take-up roller 23. When the mattress 10 needs to be thoroughly cleaned, the housing 19 is pulled to the right again to expose the area of the mattress 10. The servo motor 29 is started, which drives the lead screw 30 to rotate clockwise, driving the lifting frame 31 to move upward. The connecting rod 81 drives the vertical plate 8 to move upward synchronously. At the same time, the connecting plate 5 drives the pulley 7 to slide upward along the guide groove 6. During the upward movement of the vertical plate 8, the hinge plate 14 swings. Move the lever 13 inward along the slide groove 12 to disengage it from the locking plate 11 and release the lock on the horizontal plate 9. At this time, the mattress 10 can be removed for cleaning and disinfection. After cleaning and disinfection, put the mattress 10 back in its original position and start the servo motor 29 again. Control the servo motor 29 to drive the lead screw 30 to rotate counterclockwise, so that the lifting frame 31, the vertical plate 8 and the connecting plate 5 move down and reset. During the downward movement of the vertical plate 8, the hinge plate 14 swings back, driving the lever 13 to slide outward along the slide groove 12 and slide back into the locking plate 11 to complete the locking. After locking, turn off the servo motor 29 to resume normal use.
Claims
1. A newborn incubator with a detachable chamber for easy cleaning and care, characterized in that, The device includes a movable seat (1), a frame (2), a baffle (3), a controller (4), a connecting plate (5), a pulley (7), a shaft (71), a vertical plate (8), a horizontal plate (9), a mattress (10), a locking plate (11), a mattress laying mechanism, and a lifting and locking mechanism. The frame (2) is fixedly connected to the upper part of the movable seat (1). Baffles (3) are installed on the front and rear sides of the frame (2). A controller (4) is installed on the front baffle (3). Two guide grooves (6) are symmetrically opened on the front and rear sides of the frame (2). A pulley (7) is slidably installed in the guide groove (6). A shaft (71) is rotatably installed on the pulley (7). A connecting plate (5) is installed on the shaft (71). A vertical plate (8) is fixed between two horizontal connecting plates (5), and a horizontal plate (9) is fixed between the two vertical plates (8). A mattress (10) is connected to the top of the horizontal plate (9), and two clamping plates (11) are fixed longitudinally at the bottom of the horizontal plate (9). Start the drive motor (22), and the winding roller (23) rotates clockwise to wind up the contaminated nursing pad (25). The unwinding roller (24) rotates counterclockwise to release the clean nursing pad (25). Start the servo motor (29), and the screw (30) rotates clockwise to drive the lifting frame (31) to move upward. The vertical plate (8) moves upward synchronously, and the hinge plate (14) swings to make the clamping rod (13) slide inward along the slide groove (12) to disengage from the clamping plate (11).
2. The detachable neonatal incubator with easy cleaning and care according to claim 1, characterized in that, The baffle (3) blocks the guide groove (6) and pulley (7) on the same side.
3. A detachable neonatal incubator with easy cleaning and care according to claim 2, characterized in that, The frame (2) is provided with a padding mechanism, which includes a drive motor (22), a take-up roller (23), an unwind roller (24), a nursing pad (25), a synchronous pulley (27), and a synchronous belt (28). Two openings (91) are provided on the left and right sides of the horizontal plate (9). The drive motor (22) is installed inside the frame (2) and is electrically connected to the controller (4). The take-up roller (23) and the unwind roller (24) are arranged side by side and rotate inside the frame (2). (23) and the rear end of the unwinding roller (24) both pass through the rear side baffle (3). The unwinding roller (24) has a nursing pad (25) wound on it. One end of the nursing pad (25) is pulled out and wrapped around the take-up roller (23). The part of the nursing pad (25) pulled out covers the surface of the mattress (10) and passes through the openings (91) on both sides of the horizontal plate (9). The output shaft of the drive motor (22) and the rear end of the take-up roller (23) are both fixed with synchronous pulleys (27). A synchronous belt (28) is wound between the two synchronous pulleys (27).
4. A detachable neonatal incubator with easy cleaning and care according to claim 3, characterized in that, A lifting and locking mechanism is provided between the movable seat (1), the frame (2), and the vertical plate (8). The lifting and locking mechanism includes a connecting rod (81), a locking rod (13), a hinge plate (14), a fixed shaft (15), a servo motor (29), a lead screw (30), and a lifting frame (31). Two connecting rods (81) are installed side by side between the two vertical plates (8). Two sliding grooves (12) are opened side by side on the vertical plate (8). A locking rod (13) is slidably arranged between the two longitudinal sliding grooves (12). The upper part of the frame (2) is arranged side by side Two fixed shafts (15) are fixedly connected. The front and rear ends of the fixed shafts (15) pass through the front baffle (3) and the rear baffle (3) respectively. A hinge plate (14) is rotatably connected between the lever (13) and the corresponding fixed shaft (15). A servo motor (29) is installed on the moving seat (1). The servo motor (29) is electrically connected to the controller (4). A lead screw (30) is fixedly connected to the output shaft of the servo motor (29). A lifting frame (31) is threaded through the lead screw (30). The lifting frame (31) is fixedly connected to two connecting rods (81).
5. A detachable neonatal incubator with easy cleaning and care according to claim 4, characterized in that, The front ends of the two levers (13) slide into the left and right ends of the front plate (11) respectively, and the rear ends of the two levers (13) slide into the left and right ends of the rear plate (11) respectively.
6. A detachable neonatal incubator with easy cleaning and care according to claim 5, characterized in that, It also includes a connecting seat (16), rollers (18), a box body (19), a cover plate (20), an observation window one (191) and an observation window two (21). The connecting seat (16) is installed on the upper part of the frame (2). The connecting seat (16) has guide grooves two (17) on both the front and rear sides. Rollers (18) are slidably arranged in the guide grooves two (17). The box body (19) is fixed between the two rollers (18). The cover plate (20) is rotatably arranged on the upper left side of the box body (19). The observation window one (191) is embedded on the right side of the box body (19). The observation window two (21) is rotatably arranged on both the front and rear sides of the right side of the box body (19).
7. A detachable neonatal incubator with easy cleaning and care according to claim 6, characterized in that, It also includes an installation plate (101) and a silicone limiting plate (102). Two installation plates (101) are longitudinally fixed to the top of the horizontal plate (9). A silicone limiting plate (102) is installed on the upper part of the installation plate (101). The two silicone limiting plates (102) press against the front and rear edges of the nursing pad (25) respectively.
8. A detachable neonatal incubator with easy cleaning and care according to claim 7, characterized in that, It also includes a slider (33), a guide roller (34) and a spring (35). Sliders (33) are slidably arranged on both the left and right sides of the vertical plate (8). A guide roller (34) is rotatably arranged between the two sliders (33) in the longitudinal direction. The nursing pad (25) passes around the two guide rollers (34). Two springs (35) are connected between the slider (33) and the vertical plate (8).
9. A detachable neonatal incubator with easy cleaning and care according to claim 8, characterized in that, It also includes a limit rod (26), and the limit rod (26) is fixed on the unwinding roller (24), and the nursing pad (25) passes around the limit rod (26).
10. A detachable neonatal incubator with easy cleaning and care according to claim 9, characterized in that, It also includes a support frame (32), the upper part of the frame (2) is equipped with a support frame (32), the lead screw (30) passes vertically through the support frame (32) and forms a rotational engagement with the support frame (32).