Low-purity liquid nitrogen recycling and purifying device

Abstract

The utility model discloses a low-purity liquid nitrogen recycling and purifying device which comprises a tank body, a supporting leg is fixedly connected to the outer portion of the tank body, a containing groove is formed in the supporting leg, a servo motor is fixedly connected to the outer portion of the supporting leg, and an output shaft of the servo motor penetrates through the supporting leg and extends into the containing groove. An output shaft of the servo motor is rotationally connected with the supporting legs. Belongs to the technical field of purification devices. According to the low-purity liquid nitrogen recycling and purifying device, a servo motor is controlled to rotate forwards, the servo motor drives a worm to rotate, the worm drives a worm wheel to rotate, the worm wheel drives a sliding rod on one side to do circular motion, the sliding rod extrudes the inner wall of a sliding groove in a transverse plate, so that the transverse plate is pushed to move downwards, and then the transverse plate drives a moving wheel to move downwards through a vertical plate and a movable plate; and when the moving wheels make contact with the ground, the supporting legs are jacked up, after the servo motor is stopped, the whole tank body can be moved through the moving wheels, and the convenience and flexibility of the tank body in the using process are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to purifying device technical field, more specifically, relate to a kind of low-purity liquid nitrogen recycling purification device. BACKGROUND

[0002] Liquid nitrogen refers to inert, colorless, odorless, non-corrosive, non-flammable nitrogen in extremely low temperature environment and obtained liquid. Liquid nitrogen is inert, colorless, odorless, low viscosity, non-corrosive, non-flammable, transparent liquid with extremely low temperature, and a large amount of heat absorption when vaporizing, causing frostbite.

[0003] Some existing low-purity liquid nitrogen recycling purification device, its tank is mostly supported by multiple support legs, and the structure of the support leg is relatively simple. When the position of the tank needs to be adjusted, it is relatively inconvenient, thereby reducing the flexibility and convenience of the device when in use. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of low-purity liquid nitrogen recycling purification device to solve the problems raised in the above background technology:

[0005] Some existing low-purity liquid nitrogen recycling purification device, its tank is mostly supported by multiple support legs, and the structure of the support leg is relatively simple. When the position of the tank needs to be adjusted, it is relatively inconvenient, thereby reducing the flexibility and convenience of the device when in use.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme:

[0007] A kind of low-purity liquid nitrogen recycling purification device, including tank, the outside of the tank is fixedly connected with support leg, the inside of the support leg is provided with receiving groove, the outside of the support leg is fixedly connected with servo motor, the output shaft of the servo motor penetrates support leg and extends to the inside of receiving groove, the output shaft of the servo motor is rotatably connected with support leg, the output end of the servo motor is fixedly connected with worm, the other end of the worm is rotatably connected with support leg, the inside of the receiving groove is provided with worm wheel, the worm wheel is rotatably connected with support leg, the worm is meshed with the worm wheel, the self-locking ability is between worm and worm wheel, can prevent reverse, the inside of the receiving groove and below worm wheel slidingly connected with movable plate, the bottom of the movable plate is rotatably connected with moving wheel, the top of the movable plate and below worm wheel one side is fixedly connected with vertical plate, the top of the vertical plate is fixedly connected with horizontal plate, the inside of the horizontal plate is provided with sliding slot, the inside of the sliding slot is slidingly connected with slide rod, the slide rod is fixedly connected with worm wheel, servo motor drives worm to rotate, under the action of slide rod and sliding slot, worm wheel drives horizontal plate to move up and down.

[0008] Preferably, the inside of the supporting leg is provided with a limiting groove close to one side of the vertical plate, the limiting groove is communicated with the receiving groove, the inside of the limiting groove is slidably connected with a limiting block, the limiting block is fixedly connected with the vertical plate, when the vertical plate moves up and down, the limiting block moves up and down in the limiting groove, and the limiting groove cooperates with the limiting block to limit the vertical plate.

[0009] Preferably, the outer side wall of the sliding rod is attached to the inner side wall of the sliding groove, the sliding rod is closely attached to the sliding groove, when the worm wheel rotates, the sliding rod moves in a circular motion, thereby driving the horizontal plate to move up and down.

[0010] Preferably, the outer side wall of the movable plate is attached to the inner side wall of the receiving groove, the movable plate is closely attached to the inner wall of the receiving groove, and the movable plate can be limited by the inner wall of the receiving groove.

[0011] Preferably, the supporting leg is provided with three supporting legs, the three supporting legs are symmetrically distributed, the supporting legs support the tank body, and the three supporting legs are arranged in a triangular shape.

[0012] Preferably, the limiting groove and the limiting block are both rectangular in cross section, the limiting block can slide up and down in the limiting groove, and the limiting groove and the limiting block limit the vertical plate.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The servo motor is controlled to rotate forward, the servo motor drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the sliding rod on one side to move in a circular motion, the sliding rod extrudes the inner wall of the sliding groove on the horizontal plate, thereby pushing the horizontal plate to move downward, the horizontal plate drives the moving wheel to move downward through the vertical plate and the movable plate, until the moving wheel contacts the ground and lifts up the supporting leg, after the servo motor is stopped, the tank body can be moved as a whole through the moving wheel, and the convenience and flexibility of the tank body in use are improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a whole structure schematic view of the utility model;

[0016] Fig. 2 It is a structure schematic view of the supporting leg of the utility model;

[0017] Fig. 3 It is a cross section schematic view of the supporting leg of the utility model;

[0018] Fig. 4 It is a structure schematic view of the limiting groove of the utility model.

[0019] Label explanation: 1, tank body; 2, support leg; 3, storage groove; 4, servo motor; 5, worm; 6, worm gear; 7, movable plate; 8, moving wheel; 9, vertical plate; 10, horizontal plate; 11, sliding groove; 12, sliding rod; 13, limiting groove; 14, limiting block. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figs. 1 to 4 A low-purity liquid nitrogen refining and purifying device, comprising a tank body 1, the outer part of the tank body 1 is fixedly connected with a support leg 2, the inner part of the support leg 2 is provided with a storage groove 3, the outer part of the support leg 2 is fixedly connected with a servo motor 4, the output shaft of the servo motor 4 penetrates through the support leg 2 and extends into the inner part of the storage groove 3, the output shaft of the servo motor 4 is rotatably connected with the support leg 2, the output shaft of the servo motor 4 is fixedly connected with a worm 5, the other end of the worm 5 is rotatably connected with the support leg 2, the inner part of the storage groove 3 is provided with a worm gear 6, the worm gear 6 is rotatably connected with the support leg 2, the worm 5 is meshingly connected with the worm gear 6, the worm 5 and the worm gear 6 have self-locking capability, which can prevent reverse rotation, the inner part of the storage groove 3 and below the worm gear 6 are slidably connected with a movable plate 7, the bottom of the movable plate 7 is rotatably connected with a moving wheel 8, the top of the movable plate 7 and on one side of the worm gear 6 are fixedly connected with a vertical plate 9, the top of the vertical plate 9 is fixedly connected with a horizontal plate 10, the inner part of the horizontal plate 10 is provided with a sliding groove 11, the inner part of the sliding groove 11 is slidably connected with a sliding rod 12, the sliding rod 12 is fixedly connected with the worm gear 6, the servo motor 4 drives the worm gear 6 to rotate through the worm 5, under the action of the sliding rod 12 and the sliding groove 11, the worm gear 6 drives the horizontal plate 10 to move up and down, and finally controls the moving wheel 8 to rise and fall.

[0022] Further, the inner part of the support leg 2 near one side of the vertical plate 9 is provided with a limiting groove 13, the limiting groove 13 is communicated with the storage groove 3, the inner part of the limiting groove 13 is slidably connected with a limiting block 14, the limiting block 14 is fixedly connected with the vertical plate 9, when the vertical plate 9 moves up and down, the limiting block 14 moves up and down in the limiting groove 13, the limiting groove 13 cooperates with the limiting block 14 to limit the vertical plate 9, and ensures that the vertical plate 9 can stably move up and down.

[0023] Further, the outer side wall of the sliding rod 12 is attached to the inner side wall of the sliding groove 11, the sliding rod 12 is closely attached to the sliding groove 11, when the worm gear 6 rotates, the sliding rod 12 does circular motion, the sliding rod 12 extrudes the inner wall of the sliding groove 11, thereby driving the horizontal plate 10 to move up and down.

[0024] Further, the outer side wall of the movable plate 7 is in close contact with the inner side wall of the receiving groove 3, and the movable plate 7 is in close contact with the inner wall of the receiving groove 3, so that the movable plate 7 can be limited by the inner wall of the receiving groove 3, and the inclination of the movable plate 7 can be prevented.

[0025] Further, the three supporting legs 2 are symmetrically distributed, and the tank body 1 is supported by the supporting legs 2, and the three supporting legs 2 are arranged in a triangular shape, and have stability.

[0026] Further, the cross sections of the limiting grooves 13 and the limiting blocks 14 are rectangular structures, the limiting blocks 14 can slide up and down in the limiting grooves 13, and the limiting of the vertical plate 9 by the limiting grooves 13 and the limiting blocks 14 can ensure the stability of the vertical plate 9, the horizontal plate 10 on the vertical plate 9 and the movable plate 7 during the overall lifting of the vertical plate 9, the horizontal plate 10 and the movable plate 7.

[0027] The use steps of the low-purity liquid nitrogen recycling and purifying device are as follows: when the tank body 1 needs to be moved, the servo motor 4 is controlled to rotate forward, the servo motor 4 drives the worm 5 to rotate, the worm 5 drives the worm wheel 6 to rotate, the worm wheel 6 drives the slide rod 12 on one side to make a circular motion, the slide rod 12 extrudes the inner wall of the sliding groove 11 on the horizontal plate 10, so as to push the horizontal plate 10 to move downward, the horizontal plate 10 drives the moving wheel 8 to move downward through the vertical plate 9 and the movable plate 7, until the moving wheel 8 contacts the ground and lifts the supporting leg 2, and after the servo motor 4 is stopped, the tank body 1 can be moved as a whole through the moving wheel 8, the convenience and flexibility of the tank body 1 during use are improved, and the moving wheel 8 can be retracted into the receiving groove 3 by controlling the servo motor 4 to rotate reversely.

[0028] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A low-purity liquid nitrogen recycling purification device, comprising a tank body (1), the outer part of the tank body (1) is fixedly connected with supporting legs (2), characterized in that: The support leg (2) has a storage groove (3) inside. A servo motor (4) is fixedly connected to the outside of the support leg (2). The output shaft of the servo motor (4) passes through the support leg (2) and extends into the storage groove (3). The output shaft of the servo motor (4) is rotatably connected to the support leg (2). A worm gear (5) is fixedly connected to the output end of the servo motor (4). The other end of the worm gear (5) is rotatably connected to the support leg (2). A worm wheel (6) is provided inside the storage groove (3). The worm wheel (6) is rotatably connected to the support leg (2). The worm (5) is meshed with the worm wheel (6). Inside the storage groove (3) and below the worm wheel (6), a movable plate (7) is slidably connected. The bottom of the movable plate (7) is rotatably connected with a moving wheel (8). The top of the movable plate (7) and one side of the worm wheel (6) is fixedly connected with a vertical plate (9). The top of the vertical plate (9) is fixedly connected with a horizontal plate (10). The inside of the horizontal plate (10) is provided with a sliding groove (11). Inside the sliding groove (11) is a sliding rod (12). The sliding rod (12) is fixedly connected to the worm wheel (6).

2. The low-purity liquid nitrogen recycling and purifying device according to claim 1, characterized in that: A limiting groove (13) is provided inside the support leg (2) on the side near the vertical plate (9). The limiting groove (13) is connected to the storage groove (3). A limiting block (14) is slidably connected inside the limiting groove (13). The limiting block (14) is fixedly connected to the vertical plate (9).

3. The low purity liquid nitrogen recycling purification device according to claim 1, characterized in that: The outer wall of the slide bar (12) is in contact with the inner wall of the slide groove (11).

4. The low purity liquid nitrogen recycling purification device according to claim 1, characterized in that: The outer wall of the movable plate (7) is attached to the inner wall of the storage groove (3).

5. The low purity liquid nitrogen recycling purification device according to claim 1, characterized in that: There are three support legs (2), and the three support legs (2) are symmetrically distributed.

6. The low purity liquid nitrogen recycling purification device according to claim 2, characterized in that: The cross-sections of the limiting groove (13) and the limiting block (14) are both rectangular.

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