CN111550671B

CN111550671B - Electric liquid nitrogen moving device

Info

Publication number: CN111550671B
Application number: CN201910657848.4A
Authority: CN
Inventors: 邓美洲; 潘晓; 肖少华
Original assignee: Tongji Medical College of Huazhong University of Science and Technology
Current assignee: Tongji Medical College of Huazhong University of Science and Technology
Priority date: 2019-07-20
Filing date: 2019-07-20
Publication date: 2022-01-28
Anticipated expiration: 2039-07-20
Also published as: CN111550671A

Abstract

The invention discloses an electric liquid nitrogen moving device which comprises a gun body, wherein a gun head assembly is arranged at one end of the gun body and is connected with the gun body through a first clamping device, a button is arranged at one side of the gun body, a storage battery is arranged in one end, away from the gun head assembly, of the gun body, a charging port is arranged at one end, away from the gun head assembly, of the storage battery, a first feeding port is arranged at one end, close to the first clamping device, of the outer side of the gun body, a sealing device is arranged in the first feeding port, a group of sliding grooves are symmetrically arranged between the first feeding port and the storage battery, a first driving device is arranged between every two sliding grooves, a first motor matched with the first driving device is arranged at one side of the first driving device, the storage battery is electrically connected with the first motor and the button, and a first gear matched with the first driving device is sleeved on a rotating shaft of the first motor. Has the advantages that: by arranging the sealing device, the piston cavity can be kept in a sealed state before sucking and after injecting liquid nitrogen.

Description

Electric liquid nitrogen moving device

Technical Field

The invention relates to the field of electric liquid nitrogen moving devices, in particular to an electric liquid nitrogen moving device.

Background

Traditional liquid nitrogen interpolation mode does, carry out the interpolation of liquid nitrogen again after ladling out through medical staff with hand-basket or foam box, but this kind of method has increased medical staff's work load on the one hand, on the other hand liquid nitrogen very easily causes the condition of medical staff frostbite when splashing, except this kind of method, electric liquid nitrogen pump and manual formula liquid nitrogen pump carry out the mode that the liquid nitrogen added to the liquid nitrogen container in addition, but need make the cylinder work through connecting external power source when electric liquid nitrogen pump uses, the operation is comparatively loaded down with trivial details, be not convenient for medical staff's use, and manual formula liquid nitrogen pump then needs the compression rubber ball, and then when the liquid nitrogen container of log quantity so much carries out the interpolation of liquid nitrogen, medical staff's work load has undoubtedly been increased, and then also be convenient for medical staff's use.

Patent No. CN203571418U discloses a liquid nitrogen filling machine, and this device carries out the injection of liquid nitrogen through controller, cylinder and pressure sensor cooperation, but this device is bulky, need connect external power supply when using and make the cylinder work, therefore the use of medical staff of being inconvenient.

An effective solution to the problems in the related art has not been proposed yet.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the electric liquid nitrogen moving device which has the purposes of light weight, no need of connecting an external power supply and controllable liquid nitrogen adding speed, and further solves the problems of larger device, inconvenience for the operation of medical staff and increase of the workload of the medical staff.

(II) technical scheme

In order to realize the purposes that the device is portable, does not need to be connected with an external power supply and has controllable liquid nitrogen adding speed, the invention adopts the following specific technical scheme:

an electric liquid nitrogen moving device comprises a gun body, wherein one end of the gun body is provided with a gun head assembly, the gun head assembly is connected with the gun body through a first clamping device, one side of the gun body is provided with a button, a storage battery is arranged in one end, far away from the gun head assembly, of the gun body, one end, far away from the gun head assembly, of the storage battery is provided with a charging port, one end, close to the first clamping device, of the gun body is provided with a first feeding port, a sealing device is arranged in the first feeding port, a group of sliding grooves are symmetrically arranged between the first feeding port and the storage battery, a first driving device is arranged between every two sliding grooves, one side of the first driving device is provided with a first motor matched with the first driving device, the storage battery is electrically connected with the first motor and the button, a first gear matched with the first driving device is sleeved on a rotating shaft of the first motor, the gun head assembly is characterized in that the first driving device is connected with the inner wall of the gun body through a fixing plate, a piston cavity is arranged between the fixing plate and the first feeding hole, the first driving device is connected with the piston cavity through a piston, a second clamping device is sleeved at one end, far away from the gun body, of the gun head assembly, the second clamping device is connected with the gun head assembly through a bearing, the second clamping device is matched with the gun head assembly, the second driving device is matched with the gun head assembly, and a second motor matched with the driving device is arranged between the first clamping device and the bearing at the top of the gun head assembly.

Furthermore, in order to facilitate the use of medical staff, the gun head assembly is matched with the clamping device to suck and inject liquid nitrogen, the gun head assembly comprises a first sleeve, a second sleeve is arranged in the first sleeve, a fixed frame is arranged below the second sleeve and on the inner wall of the first sleeve, a second driving device is arranged between the second sleeve and the fixed frame, a third limit groove matched with the second driving device is arranged on one side of the fixed frame close to the second driving device, one end of the first sleeve close to the fixed frame is provided with a second feed inlet matched with the first feed inlet, one end of the first sleeve, which is far away from the second feed inlet, is provided with a first limiting ring matched with the second sleeve, and a third feeding hole is formed in one end, close to the first limiting ring, of the second sleeve, and a second limiting ring matched with the first limiting ring is arranged at one end, far away from the third feeding hole, of the second sleeve.

Further, in order to improve the working efficiency and further facilitate the rapid disassembly and assembly of the gun body and the gun head assembly, the first clamping device comprises a first limiting sleeve sleeved at one end of the gun body, a second limiting sleeve matched with the first limiting sleeve is arranged at one side of the first limiting sleeve far away from the gun body, a first sealing ring is arranged between the first limiting sleeve and the second limiting sleeve, the second limiting sleeve is sleeved at one end of the gun head assembly, first limiting grooves matched with the first limiting sleeve are symmetrically formed in two sides of the first limiting sleeve, a group of bosses matched with the first limiting grooves are symmetrically arranged in two sides of the second limiting sleeve, a groove is formed in each boss, a first limiting hole is formed in each groove, a first limiting column is arranged in each first limiting hole, a limiting platform is arranged at the top of each limiting column, and a second limiting hole matched with the second limiting column is formed in the bottom of the first limiting groove, and a second limiting groove matched with the limiting platform is formed above the second limiting hole and positioned at the top of the first limiting groove.

Furthermore, for the convenience of the use of medical staff, a sealed space can be provided for the piston cavity by rotating the rotary button, the sealing device comprises a first three rotary shaft connected with the inner wall of the feed inlet, a mounting seat is arranged on one side of the first rotary shaft, a sealing plate is arranged on one side, away from the first rotary shaft, of the mounting seat, the sealing plate is connected with the mounting seat through a fixing seat, a supporting plate is arranged on one side, away from the sealing plate, of the mounting seat, a moving rod is arranged on one side, away from the mounting seat, of the supporting plate and connected with the moving rod through a second rotary shaft, a moving disc is arranged on one side, away from the supporting plate, of the moving disc, the moving disc is connected with the moving rod through a third rotary shaft, and the moving disc is connected with the rotary shaft of the second motor through a fourth rotary shaft.

Furthermore, in order to facilitate the use of medical staff, the first driving device is matched with the first motor, so that the liquid nitrogen sucking and injecting speed can be controlled, the first driving device comprises sliding plates matched with the sliding grooves, sliding frames are arranged between every two sliding plates, a group of first racks are symmetrically arranged on the inner side of each sliding frame, a rotating disc is arranged between every two first racks, arc-shaped racks matched with the first racks are arranged on the outer side of the rotating disc, the rotating disc is connected with the gun body through a fifth rotating shaft, one end, far away from the rotating disc, of the fifth rotating shaft is sleeved with a second gear matched with the first gear, and a piston rod matched with the piston is arranged on one side, far away from the storage battery, of the sliding frame.

Further, in order to avoid the situation that medical staff is frostbitten by liquid nitrogen, and then sucking the liquid nitrogen, clamping device two include with sleeve three that the bearing is connected, just be located in sleeve three the top of bearing is provided with the screw thread.

Furthermore, in order to avoid the situation that medical staff are frostbitten by liquid nitrogen, when liquid nitrogen is sucked and injected, a second motor can be driven to enable a second sleeve to enter the liquid nitrogen tank to work, the second driving device comprises a second rack matched with the three phases of the limiting groove, and a third gear matched with the second rack is arranged on one side, close to the inner wall of the first sleeve, of the second rack.

Furthermore, in order to facilitate the use of medical staff, a sealed environment can be manufactured for the piston cavity by rotating the rotary knob, and the rotary knob is arranged at one end of the fourth rotating shaft, which is far away from the moving disc.

Furthermore, in order to facilitate the completion of liquid nitrogen suction and injection work, the gun head assembly forms a sealed environment during working, and the bottom end of the first limiting ring and the top end of the second limiting ring are respectively provided with a second sealing ring.

Furthermore, in order to create a sealed environment for the piston chamber, and further the sealing plates work in cooperation with the sealing strips, the sealing strips are arranged between every two sealing plates.

(III) advantageous effects

Compared with the prior art, the invention provides an electric liquid nitrogen moving device, which has the following beneficial effects:

(1) compared with a mode of adding liquid nitrogen manually, the pistol-like electric liquid nitrogen moving device provided by the invention has the advantages that the clamping device II is arranged to be matched with the caliber of the liquid nitrogen tank, so that the electric liquid nitrogen moving device can stably absorb and discharge liquid nitrogen, and the condition that medical staff are frostbitten due to splashing of the liquid nitrogen is avoided.

(2) Compared with a manual liquid nitrogen pump, the liquid nitrogen suction and injection device has the advantages that the electric liquid nitrogen pump is used as a power source, so that the liquid nitrogen suction and injection device can complete work without being connected with an external power source, and further, medical staff can conveniently use the liquid nitrogen suction and injection device.

(3) Through setting up latch device one to when needs absorb the liquid nitrogen, can make that medical staff is quick installs body of a gun and rifle head subassembly, and then improve medical staff's work efficiency, when the work is ended, also be convenient for the quick dismantlement of body of a gun and rifle head subassembly, and then the medical staff's of being convenient for use.

(4) Through setting up sealing device, before absorbing the liquid nitrogen, the accessible directly rotates the knob and opens feed inlet one, and then when the absorption end the contra-rotation knob closes feed inlet one, just can make a sealed environment for the piston chamber through rotating the knob, and then the medical staff's of being convenient for use, and then also improved work efficiency.

(5) The first driving device is arranged, so that the speed of the liquid nitrogen injection device can be controlled when liquid nitrogen is extracted and injected, and the quantity of the liquid nitrogen absorbed can be controlled when the liquid nitrogen is absorbed by the liquid nitrogen, so that the liquid nitrogen injection device is convenient for operation and use of medical staff, and further the working efficiency can be improved by matching with the first motor.

(6) And draw with traditional liquid nitrogen and compare with the injection mode, through setting up rifle head subassembly to when needs are drawn and are injected into the liquid nitrogen, accessible driving motor two makes two sleeves slowly get into and carry out the absorption and the injection of liquid nitrogen in the liquid nitrogen jar, and then avoids the liquid nitrogen to splash and leads to the condition of medical staff frostbite, and then the medical staff's of being convenient for use.

(7) When the medical liquid extracting device works, the screw thread can be matched with the screw thread of the opening of the liquid nitrogen pump, so that the sleeve II slowly enters the liquid nitrogen pump to extract liquid nitrogen in the driving motor II, and the situation that medical staff are frostbitten due to splashing of the liquid nitrogen is avoided.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed 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 creative efforts.

FIG. 1 is a schematic structural diagram of an electric liquid nitrogen remover according to an embodiment of the invention;

FIG. 2 is a schematic structural diagram of a gun head assembly of the electric liquid nitrogen remover according to the embodiment of the invention;

FIG. 3 is a schematic structural diagram of a clamping device of an electric liquid nitrogen remover according to an embodiment of the invention;

FIG. 4 is a schematic structural diagram of a sealing device of an electric liquid nitrogen remover according to an embodiment of the invention;

FIG. 5 is a schematic structural diagram of a driving device of an electric liquid nitrogen remover according to an embodiment of the invention.

In the figure:

1. a gun body; 2. a gun head assembly; 201. a first sleeve; 202. a second sleeve; 203. a fixed mount; 204. a third limiting groove; 205. a second feeding hole; 206. a first limiting ring; 207. a feed inlet III; 208. a second limiting ring; 209. a second sealing ring; 3. a first clamping device; 301. a first limiting sleeve; 302. a second limiting sleeve; 303. a first limiting groove; 304. a boss; 305. a groove; 306. a first limiting hole; 307. a limiting column; 308. a limiting table; 309. a second limiting hole; 310. a second limiting groove; 311. a first sealing ring; 4. a storage battery; 5. a charging port; 6. a first feeding hole; 7. a sealing device; 701. a first rotating shaft; 702. a mounting seat; 703. a sealing plate; 704. a fixed seat; 705. a support plate; 706. a travel bar; 707. a second rotating shaft; 708. a movable tray; 709. a rotating shaft III; 710. a rotating shaft IV; 711. a sealing strip; 8. a chute; 9. a first driving device; 901. a slide plate; 902. a sliding frame; 903. a first rack; 904. a turntable; 905. an arc-shaped rack; 906. a fifth rotating shaft; 907. a second gear; 908. a piston rod; 10. a first motor; 11. a first gear; 12. a fixing plate; 13. a piston cavity; 14. a piston; 15. a second clamping device; 1501. a sleeve III; 1502. a thread; 16. a bearing; 17. a second driving device; 1701. a second rack; 1702. a third gear; 18. a second motor; 19. a button; 20. the knob is rotated.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the invention, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to an embodiment of the present invention, an electric liquid nitrogen remover is provided.

Referring to the drawings and the detailed description, as shown in fig. 1-5, an electric liquid nitrogen moving device according to an embodiment of the present invention includes a gun body 1, a gun head assembly 2 is disposed at one end of the gun body 1, the gun head assembly 2 is connected to the gun body 1 through a first clamping device 3, a button 19 is disposed at one side of the gun body 1, a storage battery 4 is disposed inside one end of the gun body 1 away from the gun head assembly 2, a charging port 5 is disposed at one end of the storage battery 4 away from the gun head assembly 2, a feeding port first 6 is disposed at one end of the gun body 1 close to the first clamping device 3, a sealing device 7 is disposed in the feeding port first 6, a set of sliding grooves 8 is symmetrically disposed between the feeding port first 6 and the storage battery 4, a driving device first 9 is disposed between every two sliding grooves 8, and a motor first 10 matched with the driving device first 9 is disposed at one side of the driving device first 9, the storage battery 4 is electrically connected with the motor I10 and the button 19, a gear I11 matched with the driving device I9 is sleeved on a rotating shaft of the motor I10, the driving device I9 is connected with the inner wall of the gun body 1 through a fixing plate 12, a piston cavity 13 is arranged between the fixing plate 12 and the feeding port I6, the driving device I9 is connected with the piston cavity 13 through a piston 14, a clamping device II 15 is sleeved at one end, far away from the gun body 1, of the gun head assembly 2, the clamping device II 15 is connected with the gun head assembly 2 through a bearing 16, a driving device II 17 matched with the gun head assembly 2 is arranged in the gun head assembly 2, a motor II 18 matched with the driving device II 17 is arranged at the top of the gun head assembly 2 and between the clamping device I3 and the bearing 16, and accordingly the liquid nitrogen sucking and injecting speeds can be controlled, thereby facilitating the use of medical staff.

In one example, for the gun head assembly 2, the gun head assembly 2 includes a first sleeve 201, a second sleeve 202 is disposed inside the first sleeve 201, a fixing frame 203 is disposed below the second sleeve 202 and on an inner wall of the first sleeve 201, a second driving device 17 is disposed between the second sleeve 202 and the fixing frame 203, a third limiting groove 204 matched with the second driving device 17 is disposed on one side of the fixing frame 203 close to the second driving device 17, a second feeding port 205 matched with the first feeding port 6 is disposed on one end of the first sleeve 201 close to the fixing frame 203, a first limiting ring 206 matched with the second sleeve 202 is disposed on one end of the first sleeve 201 far away from the second feeding port 205, a third feeding port 207 is disposed on one end of the second sleeve 202 close to the first limiting ring 206, a second limiting ring 208 matched with the first limiting ring 206 is disposed on one end of the second sleeve 202 far away from the third feeding port 207, thereby, the gun head component 2 is matched with the second clamping device 15 to absorb and inject liquid nitrogen, and the use of medical staff is further facilitated.

In an example, for the first clamping device 3, the first clamping device 3 includes a first limiting sleeve 301 sleeved on one end of the gun body 1, a second limiting sleeve 302 matched with the first limiting sleeve 301 is arranged on one side of the first limiting sleeve 301 away from the gun body 1, a first sealing ring 311 is arranged between the first limiting sleeve 301 and the second limiting sleeve 302, the second limiting sleeve 302 is sleeved on one end of the gun head assembly 2, first limiting grooves 303 matched with the second limiting sleeve 302 are symmetrically arranged on two sides of the first limiting sleeve 301, a set of bosses 304 matched with the first limiting grooves 303 are symmetrically arranged on two sides of the second limiting sleeve 302, grooves 305 are arranged on the bosses 304, first limiting holes 306 are arranged in the grooves 305, limiting columns 307 are arranged in the first limiting holes 306, limiting platforms 308 are arranged on tops of the limiting columns 307, second limiting holes 309 matched with the limiting columns 307 are arranged at bottoms of the first limiting grooves 303, and a second limiting groove 310 matched with the limiting table 308 is formed above the second limiting hole 309 and at the top of the first limiting groove 303, so that the gun body 1 and the gun head assembly 2 can be rapidly disassembled and assembled conveniently, and the working efficiency is improved.

In an example, for the above sealing device 7, the sealing device 7 includes three first rotating shafts 701 connected to the inner wall of the first feeding port 6, one side of the first rotating shaft 701 is provided with a mounting seat 702, one side of the mounting seat 702 away from the first rotating shaft 701 is provided with a sealing plate 703, the sealing plate 703 is connected to the mounting seat 702 through a fixing seat 704, one side of the mounting seat 702 away from the sealing plate 703 is provided with a supporting plate 705, one side of the supporting plate 705 away from the mounting seat 702 is provided with a moving rod 706, the moving rod 706 is connected through a second rotating shaft 707, one side of the moving rod 706 away from the supporting plate 705 is provided with a moving disc 708, the moving disc 708 is connected to the moving rod 706 through a third rotating shaft 709, the moving disc 708 is connected to the rotating shaft of the second motor 18 through a fourth rotating shaft 710, so that a sealed space can be provided for the piston cavity 13 by rotating the rotating knob 20, thereby facilitating the use of medical staff.

In one example, for the above-mentioned first driving device 9, the first driving device 9 includes sliding plates 901 engaged with the sliding grooves 8, a sliding frame 902 is disposed between every two sliding plates 901, a group of first racks 903 are symmetrically arranged on the inner side of the sliding frame 902, a turntable 904 is arranged between every two first racks 903, an arc-shaped rack 905 matched with the first rack 903 is arranged on the outer side of the rotating disc 904, the rotating disc 904 is connected with the gun body 1 through a rotating shaft five 906, one end of the rotating shaft five 906, far away from the rotating disc 904, is sleeved with a gear two 907 matched with the gear one 11, the side of the sliding frame 902 facing away from the battery 4 is provided with a piston rod 908 cooperating with the piston 14, therefore, the speed of sucking and injecting liquid nitrogen can be controlled by matching the first driving device 9 with the first motor 10, and the use of medical personnel is further facilitated.

In one example, for the second clamping device 15, the second clamping device 15 includes a sleeve three 1501 connected to the bearing 16, and threads 1502 are disposed in the sleeve three 1501 and at the top end of the bearing 16, so that the threads of the sleeve three 1501 can be matched with the threads of the liquid nitrogen tank before liquid nitrogen is sucked and injected, and thus liquid nitrogen is sucked, and medical staff is prevented from being frostbitten by the liquid nitrogen.

In one example, for the second driving device 17, the second driving device 17 includes a second rack 1701 engaged with the third limiting groove 204, and a third gear 1702 engaged with the second rack 1701 is disposed on a side of the second rack 1701 close to the inner wall of the first sleeve 201, so that when liquid nitrogen is sucked and injected, the second motor 18 can be driven to drive the second sleeve 202 to enter the liquid nitrogen tank for operation, thereby preventing medical staff from being frostbitten by the liquid nitrogen.

In one example, for the fourth rotating shaft 710, the end of the fourth rotating shaft 710 away from the moving plate 708 is provided with the rotating knob 20, so that the rotating knob 20 can create a sealed environment for the piston cavity, thereby facilitating the use of the piston by medical staff.

In an example, for the first limiting ring 206, the bottom end of the first limiting ring 206 and the top end of the second limiting ring 208 are respectively provided with a second sealing ring 209, so that a sealed environment is formed when the gun head assembly 2 works, and then the liquid nitrogen suction and injection work is completed.

In one example, for the above-mentioned seal plates 703, a seal 711 is provided between every two of the seal plates 703, so that the seal plates 703 create a sealed environment for the piston chamber 13 by cooperating with the seal 711.

The working principle is as follows: when the liquid nitrogen sucking device is used and liquid nitrogen needs to be sucked, the gun body 1 and the gun head assembly 2 are combined through the first clamping device 3, the threads 1502 of the second clamping device 15 are matched with the threads of a liquid nitrogen tank to be fixed, the rotating button 20 is rotated at the same time, the fourth rotating shaft 710 and the moving disc 708 are driven to rotate, the moving disc 708 drives the third rotating shaft 709, the moving rod 706 and the second rotating shaft 707 to move downwards, the second rotating shaft 707 drives the supporting plate, the fixed seat 704 and the sealing plate 703 to rotate, the first feeding hole 6 is opened, the second motor 18 is driven, the second motor 18 drives the third gear 1702 to rotate, the third gear 1702 is matched with the second rack 1701 to feed the second sleeve 202 into the liquid nitrogen tank, the first motor 10 is driven, the first motor 10 drives the first gear 11 to rotate, the first gear 11 drives the second gear 907 and the fifth rotating shaft 906 to rotate, and the fifth rotating shaft 906 drives the rotating disc 904 and the arc-shaped rack 905 to rotate, and then the arc rack 905 is matched with the first rack 903, so that the sliding frame 902 drives the piston rod 908 to move backwards, and then the piston rod 908 drives the piston 14 to move backwards, so that liquid nitrogen is sucked, and after the suction is finished, the rotating button 20 is rotated in the opposite direction, so that the suction work of the liquid nitrogen is finished. And repeating the working procedure when the liquid nitrogen is required to be injected into the liquid nitrogen tank.

In conclusion, by means of the technical scheme of the invention, compared with a mode of adding liquid nitrogen after scooping the liquid nitrogen by using a lifting basket or a foam box, the invention designs the pistol-like electric liquid nitrogen moving device, and can avoid the situation of frostbite caused by scooping the liquid nitrogen by medical staff by using the electric liquid nitrogen sucking and discharging device through electric liquid nitrogen sucking and discharging, compared with the mode of using an electric liquid nitrogen pump, the invention uses the storage battery 4 as a power source, so that the work can be completed without being connected with an external power supply, and the use of the medical staff is further facilitated, compared with a manual liquid nitrogen pump, the invention can suck and inject the liquid nitrogen through electric liquid nitrogen without manual operation, so that a large amount of manpower is saved, and meanwhile, the first motor 10 drives the first driving device 9 to suck and inject the liquid nitrogen, so that the speed and the quantity of sucked liquid nitrogen can be controlled, further, the working efficiency can be improved, the clamping device I3 is arranged, so that when liquid nitrogen needs to be sucked, medical staff can quickly install the gun body 1 and the gun head assembly 2, further the working efficiency of the medical staff is improved, when the work is finished, the gun body 1 and the gun head assembly 2 can be quickly detached, further the use of the medical staff is facilitated, the sealing device 7 is arranged, before the liquid nitrogen is sucked, the rotary button 20 can be directly rotated to open the feeding hole I, further the rotary button 20 is reversely rotated to close the feeding hole I when the suction is finished, a sealed environment can be manufactured for the piston cavity 13 by rotating the rotary button 20, further the use of the medical staff is facilitated, further the working efficiency is also improved, the driving device I9 is arranged, so that the speed of the liquid nitrogen sucking and injecting can be controlled by matching with the motor I10, on the other hand, the amount of liquid nitrogen sucked is controllable when the liquid nitrogen is sucked, so that the liquid nitrogen sucking device is convenient for medical staff to operate and use, and further can improve the working efficiency, and is compared with the traditional liquid nitrogen sucking and injecting mode.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. An electric liquid nitrogen moving device is characterized by comprising a gun body (1), wherein a gun head assembly (2) is arranged at one end of the gun body (1), the gun head assembly (2) is connected with the gun body (1) through a first clamping device (3), a button (19) is arranged at one side of the gun body (1), a storage battery (4) is arranged inside one end, away from the gun head assembly (2), of the gun body (1), a charging port (5) is arranged at one end, away from the gun head assembly (2), of the storage battery (4), a first feeding port (6) is arranged at one end, close to the first clamping device (3), of the gun body (1), a sealing device (7) is arranged in the first feeding port (6), a set of sliding chutes (8) are symmetrically arranged between the first feeding port (6) and the storage battery (4), and a first driving device (9) is arranged between every two sliding chutes (8), a first motor (10) matched with the first driving device is arranged on one side of the first driving device (9), the storage battery (4) is electrically connected with the first motor (10) and the button (19), a first gear (11) matched with the first driving device (9) is sleeved on a rotating shaft of the first motor (10), the first driving device (9) is connected with the inner wall of the gun body (1) through a fixing plate (12), a piston cavity (13) is arranged between the fixing plate (12) and the first feeding hole (6), the first driving device (9) is connected with the piston cavity (13) through a piston (14), a second clamping device (15) is sleeved at one end, far away from the gun body (1), of the gun head assembly (2), the second clamping device (15) is connected with the gun head assembly (2) through a bearing (16), and a second driving device (17) matched with the first clamping device is arranged in the gun head assembly (2), a second motor (18) matched with the second driving device (17) is arranged at the top of the gun head assembly (2) and between the first clamping device (3) and the bearing (16);

the gun head assembly (2) comprises a first sleeve (201), a second sleeve (202) is arranged inside the first sleeve (201), a fixing frame (203) is arranged below the second sleeve (202) and on the inner wall of the first sleeve (201), a second driving device (17) is arranged between the second sleeve (202) and the fixing frame (203), a third limiting groove (204) matched with the second driving device (17) is formed in one side, close to the second driving device (17), of the fixing frame (203), a second feeding hole (205) matched with the first feeding hole (6) is formed in one end, close to the fixing frame (203), of the first sleeve (201), a first limiting ring (206) matched with the second sleeve (202) is arranged at one end, far away from the second feeding hole (205), of the second sleeve (202), and a third limiting ring (207) is formed in one end, close to the first limiting ring (206), and one end of the second sleeve (202), which is far away from the third feed inlet (207), is provided with a second limiting ring (208) matched with the first limiting ring (206).

2. The electric liquid nitrogen moving device according to claim 1, wherein the first clamping device (3) comprises a first limiting sleeve (301) sleeved at one end of the gun body (1), a second limiting sleeve (302) matched with the first limiting sleeve is arranged on one side, away from the gun body (1), of the first limiting sleeve (301), a first sealing ring (311) is arranged between the first limiting sleeve (301) and the second limiting sleeve (302), the second limiting sleeve (302) is sleeved at one end of the gun head assembly (2), first limiting grooves (303) matched with the second limiting sleeve (302) are symmetrically formed in two sides of the first limiting sleeve (301), a group of bosses (304) matched with the first limiting grooves (303) are symmetrically formed in two sides of the second limiting sleeve (302), a groove (305) is formed in the boss (304), a first limiting hole (306) is formed in the groove (305), a limiting column (307) is arranged in the first limiting hole (306), a limiting platform (308) is arranged at the top of the limiting column (307), a second limiting hole (309) matched with the limiting column (307) is formed in the bottom of the first limiting groove (303), and a second limiting groove (310) matched with the limiting platform (308) is formed in the top of the first limiting groove (303) above the second limiting hole (309).

3. The electric liquid nitrogen remover as claimed in claim 1, wherein the sealing device (7) comprises three first rotating shafts (701) connected with the inner wall of the first feeding port (6), a mounting seat (702) is arranged on one side of the first rotating shafts (701), a sealing plate (703) is arranged on one side of the mounting seat (702) far away from the first rotating shafts (701), the sealing plate (703) is connected with the mounting seat (702) through a fixed seat (704), a supporting plate (705) is arranged on one side of the mounting seat (702) far away from the sealing plate (703), a moving rod (706) is arranged on one side of the supporting plate (705) far away from the mounting seat (702), the moving rod (706) is connected with a second rotating shaft (707), a moving disc (708) is arranged on one side of the moving rod (706) far away from the supporting plate (705), and the moving disc (708) is connected with the moving rod (706) through a third rotating shaft (709), the moving disc (708) is connected with the rotating shaft of the second motor (18) through a rotating shaft four (710).

4. An electric liquid nitrogen remover as claimed in claim 1, wherein said first driving device (9) comprises sliding plates (901) engaged with said sliding groove (8), a sliding frame (902) is arranged between every two sliding plates (901), a group of first racks (903) is symmetrically arranged on the inner side of the sliding frame (902), a turntable (904) is arranged between every two first racks (903), an arc-shaped rack (905) matched with the first rack (903) is arranged on the outer side of the rotating disc (904), the rotating disc (904) is connected with the gun body (1) through a rotating shaft five (906), one end of the rotating shaft five (906), which is far away from the rotating disc (904), is sleeved with a gear two (907) which is matched with the gear one (11), and a piston rod (908) matched with the piston (14) is arranged on one side, away from the storage battery (4), of the sliding frame (902).

5. The electric liquid nitrogen remover according to claim 1, wherein the second clamping device (15) comprises a third sleeve (1501) connected with the bearing (16), and the third sleeve (1501) is provided with threads (1502) at the top end of the bearing (16).

6. The electric liquid nitrogen remover as claimed in claim 1, wherein the second driving device (17) comprises a second rack (1701) matched with the third limiting groove (204), and a third gear (1702) matched with the second rack (1701) is arranged on one side of the second rack (1701) close to the inner wall of the first sleeve (201).

7. The electric liquid nitrogen remover as claimed in claim 3, wherein the end of the rotating shaft four (710) far away from the moving disk (708) is provided with a rotating button (20).

8. The electric liquid nitrogen remover as claimed in claim 1, wherein the bottom end of the first limiting ring (206) and the top end of the second limiting ring (208) are respectively provided with a second sealing ring (209).

9. The electric liquid nitrogen remover as claimed in claim 3, wherein a sealing strip (711) is arranged between every two sealing plates (703).