CN216520558U - Physical laboratory of high security is with physics lift power - Google Patents
Physical laboratory of high security is with physics lift power Download PDFInfo
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- CN216520558U CN216520558U CN202123206775.9U CN202123206775U CN216520558U CN 216520558 U CN216520558 U CN 216520558U CN 202123206775 U CN202123206775 U CN 202123206775U CN 216520558 U CN216520558 U CN 216520558U
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Abstract
The utility model discloses a high-safety physical laboratory physical lifting power supply, which comprises a transmission case, wherein a lifting mechanism is arranged in the transmission case, a supporting plate is arranged at the bottom end of the transmission case, the lifting mechanism is in transmission connection with the supporting plate, a power supply is fixedly arranged at the top end of the supporting plate, and a pressure sensor is arranged at the bottom end of the supporting plate; the lifting mechanism comprises a motor fixedly connected in the transmission box, the motor is in transmission connection with a first connecting shaft, the first connecting shaft is in transmission connection with two roll shafts, the supporting plate is in transmission connection with the two roll shafts, the first connecting shaft and the two roll shafts are both in rotation connection in the transmission box, the side walls of the roll shafts are fixedly connected with a transmission belt, and the bottom end of the transmission belt extends out of the transmission box and then is fixedly connected with the supporting plate; the bottom of transmission case still is provided with two protection subassemblies, and the drive belt is worn to be equipped with by two protection subassemblies, and the bottom and the backup pad rigid coupling of two protection subassemblies. The utility model not only can save space, but also can effectively protect personnel from being injured.
Description
Technical Field
The utility model relates to the technical field of student power supplies, in particular to a high-safety physical lifting power supply for a physical laboratory.
Background
The student power supply is a device which is used in a laboratory, is connected with a power grid and converts high voltage into low voltage, the voltage of domestic electricity in China is 220V, the frequency is 50-60 Hz, and the student power supply is not suitable for the laboratory. The student power supply reduces the voltage to 2V, 4V and the like, can reach 20V at most, can change alternating current into direct current, is divided into a battery and a student power supply, has low battery capacity, is not suitable for high power and works for a long time. The student power supply has the characteristics of economy, environmental protection and adjustable power, and is generally used for electrolysis experiments.
The existing student power supply has the defect that after the student power supply is used, the student power supply can be accumulated on a desktop of a laboratory, and a large amount of space of the laboratory is occupied; therefore, a physical lifting power supply with high safety for a physical laboratory is needed; this lifting power supply can be stable goes up and down, has the safety protection function simultaneously, causes unexpected injury to the student when preventing that the power from falling down.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a physical lifting power supply for a physical laboratory, which is high in safety and solves the problems in the prior art.
In order to achieve the purpose, the utility model provides the following scheme: the utility model provides a high-safety physical lifting power supply for a physical laboratory, which comprises a transmission case, wherein a lifting mechanism is arranged in the transmission case, a supporting plate is arranged at the bottom end of the transmission case, the lifting mechanism is in transmission connection with the supporting plate, a power supply is fixedly arranged at the top end of the supporting plate, and a pressure sensor is arranged at the bottom end of the supporting plate;
the lifting mechanism comprises a motor fixedly connected in the transmission box, the motor is in transmission connection with a first connecting shaft, the first connecting shaft is in transmission connection with two roller shafts, the supporting plate is in transmission connection with the two roller shafts, the first connecting shaft and the two roller shafts are both in rotational connection in the transmission box, a transmission belt is fixedly connected to the side walls of the roller shafts, and the bottom end of the transmission belt extends out of the transmission box and then is fixedly connected with the supporting plate;
the bottom of transmission case still is provided with two protection subassemblies, wear to be equipped with in the protection subassembly the drive belt, two the bottom of protection subassembly with the backup pad rigid coupling.
Preferably, the bottom of backup pad has been seted up and has been held the chamber, it has first slide to hold intracavity sliding connection, be provided with the flexible layer on the bottom surface of first slide, the top surface edge department rigid coupling of first slide has the spring, the top rigid coupling of spring is in hold on the diapire in chamber, the rigid coupling has pressure sensor in the middle of holding the diapire in chamber, pressure sensor's response face with the top surface butt of first slide.
Preferably, a worm is fixedly connected to an output shaft of the motor, a worm wheel is connected to the worm in a transmission manner, the first connecting shaft is fixedly mounted at the axis of the worm wheel, the first connecting shaft is rotatably connected to the inside of the transmission case through two first shaft seats, two first bevel gears are fixedly mounted on the first connecting shaft, the two first bevel gears are located between the two first shaft seats, a distance is reserved between the two first bevel gears, the first bevel gears are meshed with second bevel gears, the axis of the second bevel gears is fixedly mounted with the roll shafts, and the roll shafts are rotatably connected to the inside of the transmission case through two second shaft seats.
Preferably, the protection component includes the rigid coupling and is in the first sleeve of transmission case bottom, sliding connection has the second sleeve in the first sleeve, sliding connection has the third sleeve in the second sleeve, two the telescopic bottom of third rigid coupling respectively is in the both ends of backup pad, the drive belt is worn to establish first sleeve the second sleeve and in the third sleeve.
Preferably, a first sliding groove is formed in the first sleeve, a first sliding block is fixedly connected to the outer side wall of the second sleeve, and the first sliding block is connected to the first sliding groove in a sliding mode.
Preferably, a controller is further arranged in the transmission case, and the pressure sensor and the motor are both electrically connected with the controller.
Preferably, the flexible layer is bonded to the bottom surface of the first sliding plate.
The utility model discloses the following technical effects: according to the utility model, the motor drives the first connecting shaft to rotate, the first connecting shaft rotates to drive the two roller shafts to rotate, and the two roller shafts synchronously rotate to drive the transmission belt to move, so that the power supply rises or falls, and the effect of saving the laboratory space is achieved; when the power supply descends, if personnel or articles exist under the supporting plate, the pressure sensor is stressed and transmits information to the motor when the supporting plate is contacted with the articles or the personnel, and the motor stops moving, so that the personnel and the articles can be effectively protected from being damaged; the protection subassembly can make the stable rising of backup pad descend, can not rock, and can protect the drive belt, causes the damage to the personnel when avoiding the drive belt to remove.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive exercise.
FIG. 1 is a front view of a high security physical laboratory physical lift power supply of the present invention;
FIG. 2 is a schematic view of the lifting mechanism of the present invention;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
FIG. 4 is a cross-sectional view of the first sleeve;
FIG. 5 is a cross-sectional view of the second sleeve;
wherein, 1, a transmission case; 2. a support plate; 3. a power source; 4. a motor; 5. a first connecting shaft; 6. a roll shaft; 7. an accommodating chamber; 8. a first slide plate; 9. a flexible layer; 10. a spring; 11. a pressure sensor; 12. a worm; 13. a worm gear; 14. a first shaft seat; 15. a first bevel gear; 16. a second bevel gear; 17. a transmission belt; 18. a first sleeve; 19. a second sleeve; 20. A third sleeve; 21. a first chute; 22. a first slider; 23. a controller; 24. and a second bearing seat.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Referring to fig. 1-5, the utility model provides a high-safety physical laboratory physical lifting power supply, which is characterized in that: the device comprises a transmission case 1, wherein a lifting mechanism is arranged in the transmission case 1, a supporting plate 2 is arranged at the bottom end of the transmission case 1, the lifting mechanism is in transmission connection with the supporting plate 2, a power supply 3 is fixedly arranged at the top end of the supporting plate 2, and a pressure sensor is arranged at the bottom end of the supporting plate 2;
the lifting mechanism comprises a motor 4 fixedly connected in a transmission case 1, the motor 4 is in transmission connection with a first connecting shaft 5, the first connecting shaft 5 is in transmission connection with two roll shafts 6, a support plate 2 is in transmission connection with the two roll shafts 6, the first connecting shaft 5 and the two roll shafts 6 are both in rotation connection in the transmission case 1, a transmission belt 17 is fixedly connected on the side wall of each roll shaft 6, and the bottom end of the transmission belt 17 extends out of the transmission case 1 and then is fixedly connected with the support plate 2;
the bottom of transmission case 1 still is provided with two protection subassemblies, wears to be equipped with drive belt 17 in the protection subassembly, and the bottom and the backup pad 2 rigid coupling of two protection subassemblies.
The device drives the first connecting shaft 5 to rotate through the motor 4, the first connecting shaft 5 rotates to drive the roller shaft 6 to rotate, the roller shaft 6 rotates to drive the driving belt 17 to move, and then the supporting plate 2 is driven to move up and down; the pressure sensor 11 is arranged at the bottom end of the supporting plate 2, when the supporting plate 2 falls down, if articles or people exist below the supporting plate 2, the pressure sensor 11 senses the pressure, at the moment, the pressure sensor 11 transmits information to the motor 4, the motor 4 stops rotating, and the people and the articles are protected from being damaged; the protection subassembly on the one hand makes backup pad 2 can not take place to rock when reciprocating, and on the other hand avoids drive belt 17 and personnel or article contact to lead to personnel or article by the fish tail.
Further optimize the scheme, the bottom of backup pad 2 has been seted up and has been held chamber 7, hold intracavity 7 sliding connection has first slide 8, is provided with flexible layer 9 on the bottom surface of first slide 8, and the top surface edge rigid coupling of first slide 8 has spring 10, and the top rigid coupling of spring 10 is on the diapire that holds chamber 7, and the rigid coupling has pressure sensor 11 in the middle of the diapire that holds chamber 7, pressure sensor 11's response face and first slide 8's top surface butt. When backup pad 2 descends, if there is personnel or article in backup pad 2 below, flexible layer 9 at this moment at first contacts with personnel, then first slide 8 rises and extrudees pressure sensor 11, makes pressure sensor 11 receive pressure and give motor 4 with the signal transmission, and motor 4 stall avoids backup pad 3 to cause the harm to personnel or article.
Further optimization scheme, a worm 12 is fixedly connected to an output shaft of the motor 4, the worm 12 is in transmission connection with a worm wheel 13, the first connecting shaft 5 is fixedly installed at the axis of the worm wheel 13, the first connecting shaft 5 is rotatably connected into the transmission case 1 through two first shaft seats 14, two first bevel gears 15 are fixedly installed on the first connecting shaft 5, the two first bevel gears 15 are both located between the two first shaft seats 14, a distance is reserved between the two first bevel gears 15, the first bevel gears 15 are meshed with a second bevel gear 16, a roll shaft 6 is fixedly installed at the axis of the second bevel gear 16, and the roll shaft 6 is rotatably connected into the transmission case 1 through two second shaft seats.
Further optimize the scheme, the protection subassembly includes the first sleeve 18 of rigid coupling in transmission case 1 bottom, and sliding connection has second sleeve 19 in first sleeve 18, and sliding connection has third sleeve 20 in second sleeve 19, and the bottom of two third sleeves 20 rigid coupling respectively is at the both ends of backup pad 2, and drive belt 17 wears to establish in first sleeve 18, second sleeve 19 and third sleeve 20.
In a further optimized scheme, a first sliding groove 21 is formed in the first sleeve 18, a first sliding block 22 is fixedly connected to the outer side wall of the second sleeve 19, and the first sliding block 22 is slidably connected to the first sliding groove 21.
Further optimize the scheme, still be provided with controller 23 in the transmission case 1, pressure sensor 11 and motor 4 all with controller 23 electric connection.
In a further preferred embodiment, the flexible layer 9 is bonded to the bottom surface of the first sliding plate 8.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, are merely for convenience of description of the present invention, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solutions of the present invention can be made by those skilled in the art without departing from the spirit of the present invention, and the technical solutions of the present invention are within the scope of the present invention defined by the claims.
Claims (7)
1. The utility model provides a physics laboratory of high security is with physics lift power, its characterized in that: the device comprises a transmission case (1), wherein a lifting mechanism is arranged in the transmission case (1), a supporting plate (2) is arranged at the bottom end of the transmission case (1), the lifting mechanism is in transmission connection with the supporting plate (2), a power supply (3) is fixedly arranged at the top end of the supporting plate (2), and a pressure sensor is arranged at the bottom end of the supporting plate (2);
the lifting mechanism comprises a motor (4) fixedly connected in the transmission box (1), the motor (4) is in transmission connection with a first connecting shaft (5), the first connecting shaft (5) is in transmission connection with two roller shafts (6), the supporting plate (2) is in transmission connection with the two roller shafts (6), the first connecting shaft (5) and the two roller shafts (6) are in rotary connection in the transmission box (1), a transmission belt (17) is fixedly connected to the side wall of each roller shaft (6), and the bottom end of the transmission belt (17) extends out of the transmission box (1) and then is fixedly connected with the supporting plate (2);
the bottom of transmission case (1) still is provided with two protection subassemblies, wear to be equipped with in the protection subassembly drive belt (17), two the bottom of protection subassembly with backup pad (2) rigid coupling.
2. The high security physical laboratory physical lift power supply of claim 1, wherein: the bottom of backup pad (2) has been seted up and has been held chamber (7), it has first slide (8) to hold sliding connection in chamber (7), be provided with flexible layer (9) on the bottom surface of first slide (8), the top surface edge rigid coupling of first slide (8) has spring (10), the top rigid coupling of spring (10) is in hold on the diapire of chamber (7), the rigid coupling has pressure sensor (11) in the middle of the diapire that holds chamber (7), the response face of pressure sensor (11) with the top surface butt of first slide (8).
3. The high security physical laboratory physical lift power supply of claim 1, wherein: the utility model discloses a gear box, including motor (4), output shaft, first connecting axle (5), first bevel gear (15), two first bevel gear (15) all are located two between first axle bed (14) and leave the distance between first bevel gear (15), first bevel gear (15) mesh has second bevel gear (16), the axle center department fixed mounting of second bevel gear (16) has roller (6), roller (6) rotate through two second axle beds (24) and connect in gear box (1), first connecting axle (5) fixed mounting be in the axle center department of worm gear (13), first connecting axle (5) rotate through two first axle beds (14) and connect in gear box (1), two first bevel gear (15) are gone up fixed mounting, two first bevel gear (15) are located two and two are kept the distance between first bevel gear (15).
4. The high security physical laboratory physical lift power supply of claim 3, wherein: the protection subassembly includes the rigid coupling and is in first sleeve (18) of transmission case (1) bottom, sliding connection has second sleeve (19) in first sleeve (18), sliding connection has third sleeve (20) in second sleeve (19), two the bottom of third sleeve (20) is the rigid coupling respectively and is in the both ends of backup pad (2), drive belt (17) are worn to establish first sleeve (18), second sleeve (19) and in third sleeve (20).
5. The high security physical laboratory physical lift power supply of claim 4, wherein: a first sliding groove (21) is formed in the first sleeve (18), a first sliding block (22) is fixedly connected to the outer side wall of the second sleeve (19), and the first sliding block (22) is connected to the inside of the first sliding groove (21) in a sliding mode.
6. The high security physical laboratory physical lift power supply of claim 2, wherein: the transmission case (1) is also internally provided with a controller (23), and the pressure sensor (11) and the motor (4) are electrically connected with the controller (23).
7. The high security physical laboratory physical lift power supply of claim 2, wherein: the flexible layer (9) is bonded to the bottom surface of the first sliding plate (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123206775.9U CN216520558U (en) | 2021-12-17 | 2021-12-17 | Physical laboratory of high security is with physics lift power |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123206775.9U CN216520558U (en) | 2021-12-17 | 2021-12-17 | Physical laboratory of high security is with physics lift power |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216520558U true CN216520558U (en) | 2022-05-13 |
Family
ID=81500575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123206775.9U Active CN216520558U (en) | 2021-12-17 | 2021-12-17 | Physical laboratory of high security is with physics lift power |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216520558U (en) |
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2021
- 2021-12-17 CN CN202123206775.9U patent/CN216520558U/en active Active
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