CN209943997U

CN209943997U - Device for pouring laboratory liquid nitrogen tank

Info

Publication number: CN209943997U
Application number: CN201920337880.XU
Authority: CN
Inventors: 杨雪晴
Original assignee: Pingxiang University
Current assignee: Pingxiang University
Priority date: 2019-03-06
Filing date: 2019-03-06
Publication date: 2020-01-14
Anticipated expiration: 2029-03-06

Abstract

The utility model particularly relates to a device for dumping liquid nitrogen tanks in a laboratory, which is characterized by comprising a handrail, a heavy balancer, a vehicle body, a fixed screw, a fixed ring, a rotating shaft, a fulcrum upright rod, a baffle, a supporting plate, a first telescopic rod, a first adjusting knob, wheels, a second telescopic rod, a second adjusting knob and a base; the armrest is arranged at the upper left end of the vehicle body; the weight balancer is arranged at the right end of the handrail; the left end of the fixing ring is provided with a fixing screw, and the right end of the fixing ring is connected with the fulcrum upright rod bearing through a rotating shaft; the fulcrum upright stanchion is arranged at the right end in the middle of the vehicle body; the upper end of the first telescopic rod is provided with a supporting plate, the lower end of the first telescopic rod is fixedly connected with a vehicle body, and the middle of the first telescopic rod is provided with a first adjusting knob; the baffle is arranged at the right end of the vehicle body, and the left side of the baffle is adjacent to the supporting plate; the four wheels are symmetrically distributed along the front and back and the left and right of the vehicle body; the two second telescopic rods are symmetrically distributed along the left and right of the vehicle body, and the lower ends of the two second telescopic rods are fixedly connected with the base; the utility model discloses be favorable to laboratory and operating personnel's safety.

Description

Device for pouring laboratory liquid nitrogen tank

[ technical field ] A method for producing a semiconductor device

The utility model relates to a laboratory operation instrument application especially relates to a device that is used for laboratory liquid nitrogen jar to empty.

[ background of the invention ]

In the laboratory, the use of liquid nitrogen is very common, such as the cryogenic treatment of metal materials using liquid nitrogen stored in a liquid nitrogen tank. However, the liquid nitrogen tank in the laboratory is exemplified by the model YDS-30 product, the parameters of which are empty weight 13.8 kg, full weight 38.5 kg and height 0.7 m, and the following problems exist when in use: (1) the liquid nitrogen tank is too heavy and is not easy to move; (2) the liquid nitrogen tank is too heavy, and operators with small strength are difficult to move and dump; (3) when liquid nitrogen is poured into a container, a blank and vast fog is formed around the container opening at room temperature, so that the sight line is influenced, the container opening is difficult to align, and meanwhile, when the liquid nitrogen is poured, if the pouring speed is not good, the container is easy to overturn, and safety accidents such as frostbite occur.

[ Utility model ] content

The utility model provides a technical problem provide a device that is used for laboratory liquid nitrogen jar to empty, removal liquid nitrogen jar that can relax, when empting the liquid nitrogen, not only save strength, make things convenient for the little operating personnel of strength, aim at the container mouth easily, can ensure moreover that the container can not overturn when empting, be favorable to laboratory and operating personnel's safety.

In order to achieve the above purpose, the utility model provides a technical scheme is: a device for dumping liquid nitrogen tanks in a laboratory is characterized by comprising handrails (1), a weight balancer (2), a vehicle body (3), fixing screws (4), fixing rings (5), a rotating shaft (6), a fulcrum upright rod (7), a baffle (8), a supporting plate (9), a first telescopic rod (10), a first adjusting knob (11), wheels (12), a second telescopic rod (13), a second adjusting knob (14) and a base (15); the armrest (1) is arranged at the upper left end of the vehicle body (3); the weight balancer (2) is arranged at the right end of the handrail (1), is fixedly connected with the vehicle body (3) and is used for guaranteeing the balance of the vehicle body (3) when liquid nitrogen is poured; the left end of the fixing ring (5) is provided with a fixing screw (4), and the right end of the fixing ring is connected with a fulcrum upright rod (7) through a rotating shaft (6) in a bearing way; the fulcrum upright stanchion (7) is arranged at the right end of the middle part of the vehicle body (3); the upper end of the first telescopic rod (10) is provided with a supporting plate (9), the lower end of the first telescopic rod is fixedly connected with the vehicle body (3), and the middle of the first telescopic rod is provided with a first adjusting knob (11); the baffle (8) is arranged at the right end of the vehicle body (3), and the left side of the baffle is adjacent to the supporting plate (9); four wheels (12) are symmetrically distributed along the front and back and the left and right of the vehicle body (3); the two second telescopic rods (13) are symmetrically distributed along the left and right of the vehicle body (3), the upper ends of the two second telescopic rods are fixedly connected with the vehicle body (3), the lower ends of the two second telescopic rods are fixedly connected with the base (15), and a second adjusting knob (14) is arranged in the middle of the two second telescopic rods.

Preferably, the fixing ring (5) is a steel ring with rubber, the steel ring is composed of two semicircles, and the inner diameter of the steel ring is the same as the outer diameter of the liquid nitrogen tank; the rotating shaft (6) is smooth in the middle and flexible when being convenient to rotate, and the lower end of the rotating shaft is provided with threads so as to be convenient for screwing and fixing the screw cap (61).

The utility model has the advantages that: the utility model can easily move the liquid nitrogen tank, and when the liquid nitrogen is poured, the liquid nitrogen tank can be easily moved, so that the liquid nitrogen tank not only can save labor and is convenient for operators with small labor, and is easy to align at the container opening, but also can ensure that the container can not be overturned when the liquid nitrogen is poured, thereby ensuring the safety of laboratories and operators; meanwhile, the production cost is low, the use is convenient, and the application prospect in laboratories of colleges and universities is wide.

[ description of the drawings ]

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1, fig. 2 and fig. 3 are schematic structural diagrams of the present invention.

Fig. 4 and 5 are usage state diagrams of the utility model when pouring liquid nitrogen.

Fig. 6 is a use state diagram of the utility model during transportation and movement.

The device comprises a handrail 1, a weight balancer 2, a vehicle body 3, a fixing screw 4, a fixing ring 5, a rotating shaft 6, a fulcrum upright 7, a baffle 8, a supporting plate 9, a first telescopic rod 10, a first adjusting knob 11, a wheel 12, a second telescopic rod 13, a second adjusting knob 14 and a base 15; 16-liquid nitrogen tank, 17-container, 61-screw cap.

[ detailed description ] according to the present embodiment

In the example shown in the attached drawings, the device for dumping the liquid nitrogen tank in the laboratory is characterized by comprising a handrail (1), a weight balancer (2), a vehicle body (3), a fixing screw (4), a fixing ring (5), a rotating shaft (6), a fulcrum upright rod (7), a baffle (8), a supporting plate (9), a first telescopic rod (10), a first adjusting knob (11), wheels (12), a second telescopic rod (13), a second adjusting knob (14) and a base (15); the armrest (1) is arranged at the upper left end of the vehicle body (3); the weight balancer (2) is arranged at the right end of the handrail (1), is fixedly connected with the vehicle body (3) and is used for guaranteeing the balance of the vehicle body (3) when liquid nitrogen is poured; the left end of the fixing ring (5) is provided with a fixing screw (4), and the right end of the fixing ring is connected with a fulcrum upright rod (7) through a rotating shaft (6) in a bearing way; the fulcrum upright stanchion (7) is arranged at the right end of the middle part of the vehicle body (3); the upper end of the first telescopic rod (10) is provided with a supporting plate (9), the lower end of the first telescopic rod is fixedly connected with the vehicle body (3), and the middle of the first telescopic rod is provided with a first adjusting knob (11); baffle (8) establish the right-hand member at automobile body (3), the left side is adjacent with layer board (9): four wheels (12) are symmetrically distributed along the front and back and the left and right of the vehicle body (3); the two second telescopic rods (13) are symmetrically distributed along the left and right of the vehicle body (3), the upper ends of the two second telescopic rods are fixedly connected with the vehicle body (3), the lower ends of the two second telescopic rods are fixedly connected with the base (15), and a second adjusting knob (14) is arranged in the middle of the two second telescopic rods.

Further, the fixing ring (5) is a steel ring with rubber, the steel ring is composed of two semicircles, and the inner diameter of the steel ring is the same as the outer diameter of the liquid nitrogen tank, as shown in fig. 2; the rotating shaft (6) is smooth in the middle and flexible when being convenient to rotate, the lower end of the rotating shaft is provided with threads, and the screw cap (61) is convenient to screw and fix, as shown in figure 3.

When the utility model is used, as shown in fig. 6, the second adjusting knob (14) is adjusted to shorten the second telescopic rod (13), the base (15) leaves the ground, the wheel (12) contacts with the ground, the utility model is pushed to the total storage place of the liquid nitrogen tank, the fixing screw (4) and the rotating shaft (6) are loosened, the liquid nitrogen tank (16) is put into the fixing ring (5), the fixing screw (4) and the screw cap (61) are tightened, and the utility model is pushed to the designated position in the laboratory together with the liquid nitrogen tank; as shown in fig. 1, before the liquid nitrogen is poured, the second adjusting knob (14) is adjusted to extend the second telescopic rod (13), the wheels (12) leave the ground, and the base (15) is in contact with the ground; as shown in fig. 4, the height of the supporting plate (9) is adjusted by the first adjusting knob (11) and the first telescopic rod (10), the container (17) is placed on the supporting plate (9), the cover of the liquid nitrogen tank (16) is opened, the liquid nitrogen tank (16) is slowly lifted by hand, and the liquid nitrogen is poured into the container (17); when the liquid nitrogen tank (16) is just used, the height of the opening of the container (17) is ensured to be high, as shown in figure 4; when the liquid nitrogen can not be poured out from the liquid nitrogen tank (16) in the inclined state shown in figure 4, the height of the supporting plate (9) is slightly adjusted downwards, the liquid nitrogen is inclined again, as shown in figure 5, the liquid nitrogen is ensured to be poured into the container (17) smoothly, meanwhile, when the container (17) is selected, the cup opening of the container (17) is ensured to be large, and after pouring is finished, the cover of the liquid nitrogen tank (16) is tightly covered. The utility model discloses removal liquid nitrogen container that can relax, labour-saving, aim at the container mouth easily when empting the liquid nitrogen simultaneously, can also ensure that the container can not overturn when empting, is favorable to laboratory and operating personnel's safety.

The above are only some embodiments of the present invention, and for those skilled in the art, a plurality of modifications and improvements can be made without departing from the inventive concept of the present invention, and these modifications and improvements all belong to the protection scope of the present invention.

Claims

1. A device for dumping liquid nitrogen tanks in a laboratory is characterized by comprising handrails, a weight balancer, a vehicle body, fixing screws, fixing rings, a rotating shaft, a fulcrum upright rod, a baffle plate, a supporting plate, a first telescopic rod, a first adjusting knob, wheels, a second telescopic rod, a second adjusting knob and a base; the armrest is arranged at the left upper end of the vehicle body; the weight balancer is arranged at the right end of the handrail, is fixedly connected with the vehicle body and is used for guaranteeing the balance of the vehicle body when liquid nitrogen is poured; the left end of the fixing ring is provided with a fixing screw, and the right end of the fixing ring is connected with the fulcrum upright rod bearing through a rotating shaft; the fulcrum upright stanchion is arranged at the right end of the middle part of the vehicle body; the upper end of the first telescopic rod is provided with a supporting plate, the lower end of the first telescopic rod is fixedly connected with a vehicle body, and the middle of the first telescopic rod is provided with a first adjusting knob; the baffle is arranged at the right end of the vehicle body, and the left side of the baffle is adjacent to the supporting plate; the four wheels are symmetrically distributed along the front and back and the left and right of the vehicle body; the two second telescopic rods are distributed along the vehicle body in a bilateral symmetry mode, the upper ends of the two second telescopic rods are fixedly connected with the vehicle body, the lower ends of the two second telescopic rods are fixedly connected with the base, and a second adjusting knob is arranged in the middle of the two second telescopic rods.