Device for filling oxygen by using liquid oxygen vaporization cold energy
By designing a scraper structure and a servo motor-driven liquid oxygen vaporization and cold-filling oxygen device, the problem of reduced vaporization caused by frost and ice buildup in the vaporizer was solved, achieving stable oxygen production and efficient maintenance.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2026-04-10
AI Technical Summary
Frost and ice buildup on liquid oxygen vaporizers reduces vaporization, affecting oxygen production and efficiency.
A liquid oxygen vaporization and cold-filling oxygen device was designed, which includes a scraper structure. The scraper is driven by a servo motor to slide and remove frost and ice, and facilitates the disassembly and maintenance of the scraper.
It effectively removes frost and ice from the vaporizer, ensures stable liquid oxygen vaporization, improves oxygen production efficiency, and simplifies the maintenance process of the scraper.
Smart Images

Figure CN224108019U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to liquid oxygen vaporization equipment technical field, concretely is liquid oxygen vaporization cold charge oxygen device for utilizing. BACKGROUND
[0002] Liquid oxygen has extensive industrial and medical uses, and the method for manufacturing liquid oxygen in industry is to fractionate liquid air.
[0003] When liquid oxygen is used in large quantities, a large amount of frost and ice will condense on the vaporizer, and when the frost and ice on the vaporizer condense too much, it will cause the vaporization amount of liquid oxygen to decrease, and the decrease in vaporization amount will cause the amount of oxygen to decrease, thereby affecting the efficiency of oxygen production. UTILITY MODEL CONTENT
[0004] In view of the deficiencies of the prior art, the utility model provides a liquid oxygen vaporization cold charge oxygen device, which has the function of scraping the frost and ice on the vaporizer, and the scraper is easy to disassemble and maintain, solving the problems raised in the above background art.
[0005] The utility model provides the following technical scheme: liquid oxygen vaporization cold charge oxygen device, including vaporizer, the bottom of vaporizer is equipped with equipment bin, the top of equipment bin is equipped with main body support, the inner wall of main body support is connected with left side connecting plate slidingly, the outer rim of left side connecting plate is installed with frame, the outer wall of frame is fixedly assembled with right side connecting plate, the inner chamber of frame is installed with scraper, the scraper is connected with vaporizer slidingly, the inner wall of equipment bin is installed with bin door, the inner wall of left side connecting plate and right side connecting plate is respectively connected with left side lead screw and right side lead screw.
[0006] As a preferred technical scheme of the utility model: the outer rim of left side lead screw is fixedly sleeved with left side bevel gear one, the outer rim of left side bevel gear one is engaged with left side bevel gear two, the inner wall of left side bevel gear two is fixedly assembled with connecting rod, the end away from left side bevel gear two of connecting rod is installed with right side bevel gear two, the outer rim of right side bevel gear two is engaged with right side bevel gear one, right side bevel gear one is fixedly sleeved on right side lead screw.
[0007] As a preferred technical scheme of the utility model: the outer rim of connecting rod is fixedly sleeved with rotary disc one, the outer wall of rotary disc one is rotatably connected with belt, the inner wall of belt is rotatably connected with rotary disc two, rotary disc two is fixedly sleeved on the power output shaft of servo motor.
[0008] As a preferred technical solution of this utility model: vertical grooves are provided at both ends of the scraper, a connecting cylinder is installed on the inner wall of the vertical groove, a slot is provided on the inner wall of the connecting cylinder, an insert is slidably connected to the inner wall of the slot, a cylinder is fixedly assembled on the outer edge of the insert, a limit post is fixedly assembled on the end of the cylinder away from the slide rod, and a limit strip is fixedly assembled on the inner wall of the limit post.
[0009] As a preferred technical solution of this utility model: the outer wall of the frame is provided with a circular hole, the inner wall of the circular hole is provided with a limiting groove, the limiting post is slidably connected to the circular hole, and the limiting strip is slidably connected to the limiting groove.
[0010] As a preferred technical solution of this utility model: a handle is fixedly mounted on the outer edge of the limiting post, a connecting block is fixedly mounted on the outer wall of the frame, and a stop bar is inserted into the inner wall of the connecting block.
[0011] Compared with the prior art, the present invention has the following beneficial effects:
[0012] 1. This oxygen filling device utilizes the cooling capacity of liquid oxygen vaporization. A scraper moves downwards, scraping away frost and ice on the vaporizer. This process addresses the problem that excessive frost and ice buildup on the vaporizer reduces the amount of liquid oxygen vaporized, leading to lower oxygen production and reduced efficiency.
[0013] 2. This oxygen filling device utilizes the cooling capacity of liquid oxygen vaporization. By pulling the limiting post outward, the limiting post and limiting strip slide out of the round hole and limiting groove, and the cylinder slides into the round hole. Turning the handle drives the limiting post, cylinder, sliding rod, connecting cylinder, and scraper to rotate, so that the scraper changes from a vertical state to a horizontal state. Then, the limiting post, cylinder, and sliding rod are pulled out from the connecting cylinder, so that the scraper can be removed from the gap of the vaporizer for maintenance. Attached Figure Description
[0014] Figure 1 This is a frontal three-dimensional structural diagram of the present invention;
[0015] Figure 2 This is a schematic diagram of the bottom structure of this utility model;
[0016] Figure 3 This is a schematic diagram of the top structure of this utility model;
[0017] Figure 4 This is a schematic diagram of the scraper structure of this utility model;
[0018] Figure 5 This is a schematic diagram of the connection structure between the scraper and the frame of this utility model.
[0019] In the figure: 1, vaporizer; 2, equipment bin; 3, main body support; 4, left connecting plate; 41, right connecting plate; 5, frame; 6, scraper; 7, vertical groove; 8, connecting cylinder; 9, insertion slot; 10, sliding rod; 11, insertion strip; 12, cylinder; 13, limiting column; 14, limiting strip; 15, handle; 16, bin door; 17, round hole; 18, limiting groove; 19, connecting block; 20, stop rod; 21, left lead screw; 22, right lead screw; 23, left bevel gear one; 24, left bevel gear two; 25, connecting rod; 26, turntable one; 27, belt; 28, turntable two; 29, servo motor; 30, right bevel gear two; 31, right bevel gear one. 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 protection scope of the utility model.
[0021] Please refer to Figure 1 - Figure 5 The device for filling oxygen by using liquid oxygen vaporization cold energy comprises a vaporizer 1, the bottom of the vaporizer 1 is provided with an equipment bin 2, the top of the equipment bin 2 is provided with a main body support 3, the inner wall of the main body support 3 is slidably connected with a left connecting plate 4, the outer edge of the left connecting plate 4 is provided with a frame 5, the outer wall of the frame 5 is fixedly provided with a right connecting plate 41, the inner cavity of the frame 5 is provided with a scraper 6, the scraper 6 is slidably connected with the vaporizer 1, the inner wall of the equipment bin 2 is provided with a bin door 16, the inner walls of the left connecting plate 4 and the right connecting plate 41 are respectively provided with a left lead screw 21 and a right lead screw 22, the left connecting plate 4, the right connecting plate 41, the frame 5 and the scraper 6 are driven to ascend and descend by synchronous rotation of the left lead screw 21 and the right lead screw 22, the frost on the vaporizer 1 is scraped off by the scraper 6 ascending and descending, when the frost on the vaporizer 1 is less, the vaporization effect of the vaporizer 1 is not affected, and meanwhile, the problem that the height of the upper part of the vaporizer 1 is too high and it is inconvenient to clean the frost can be effectively solved.
[0022] In a preferred implementation, the outer edge of the left lead screw 21 is fixedly sleeved with a left bevel gear 23, the outer edge of the left bevel gear 23 is engaged with a left bevel gear 24, the inner wall of the left bevel gear 24 is fixedly assembled with a connecting rod 25, the end of the connecting rod 25 away from the left bevel gear 24 is provided with a right bevel gear 30, the outer edge of the right bevel gear 30 is engaged with a right bevel gear 31, the right bevel gear 31 is fixedly sleeved on the right lead screw 22, the left bevel gear 24 and the right bevel gear 30 are driven to rotate by the connecting rod 25, the left bevel gear 24 and the right bevel gear 30 are driven to rotate respectively, the left bevel gear 23 and the right bevel gear 31 are driven to rotate respectively, and the left lead screw 21 and the right lead screw 22 are driven to rotate synchronously.
[0023] In a preferred implementation, the outer edge of the connecting rod 25 is fixedly sleeved with a rotating disc 26, the outer wall of the rotating disc 26 is rotatably connected with a belt 27, the inner wall of the belt 27 is rotatably connected with a rotating disc 28, the rotating disc 28 is fixedly sleeved on the power output shaft of the servo motor 29, the rotating disc 28 is driven to rotate by the power output shaft of the servo motor 29, the belt 27 is driven to rotate by the rotating disc 28, the rotating disc 26 is driven to rotate by the belt 27, and the connecting rod 25 is driven to rotate by the rotating disc 26, so that the left bevel gear 24 and the right bevel gear 30 can be driven to rotate.
[0024] In a preferred implementation, the two ends of the scraper 6 are provided with vertical grooves 7, the inner wall of the vertical groove 7 is provided with a connecting cylinder 8, the inner wall of the connecting cylinder 8 is provided with a slot 9, the inner wall of the slot 9 is slidably connected with a plug strip 11, the outer edge of the plug strip 11 is fixedly assembled with a cylinder 12, the end of the cylinder 12 away from the sliding rod 10 is fixedly assembled with a limiting column 13, the inner wall of the limiting column 13 is fixedly assembled with a limiting strip 14, the sliding rod 10 and the plug strip 11 can slide in the connecting cylinder 8, the sliding rod 10 can drive the connecting cylinder 8 and the scraper 6 to rotate when the sliding rod 10 rotates, the position of the cylinder 12 can be changed when the sliding rod 10 moves in the connecting cylinder 8,
[0025] In a preferred implementation: the outer wall of the frame 5 is provided with a round hole 17, the inner wall of the round hole 17 is provided with a limiting groove 18, the limiting column 13 is in sliding connection with the round hole 17, the limiting strip 14 is in sliding connection with the limiting groove 18, the sliding rod 10 can be arranged to slide in the connecting barrel 8, when the cylinder 12 moves into the round hole 17, rotating the limiting column 13 can drive the cylinder 12, the sliding rod 10 and the scraper 6 to rotate, so that the scraper 6 rotates from the horizontal state to the horizontal state, which is convenient for taking down the scraper 6 from the gap of the vaporizer 1 for cleaning and maintenance, when the limiting strip 14 on the limiting column 13 is connected with the limiting groove 18, the limiting column 13 cannot be rotated.
[0026] In a preferred implementation: the outer edge of the limiting column 13 is fixedly provided with a handle 15, the outer wall of the frame 5 is fixedly provided with a connecting block 19, the inner wall of the connecting block 19 is inserted with a blocking rod 20, the blocking rod 20 can limit the handle 15 and the limiting column 13 through the arrangement of the blocking rod 20, which can prevent the limiting column 13 from sliding out of the round hole 17, when the limiting column 13 slides out of the round hole 17, the cylinder 12 will be located in the round hole 17, which will change the horizontal state of the scraper 6, thereby improving the stability of the device.
[0027] Working principle, in use, the power output shaft of the servo motor 29 rotates to drive the rotating disc two 28 to rotate, the rotating disc two 28 rotates to drive the belt 27 to rotate, the belt 27 rotates to drive the rotating disc one 26 to rotate, the rotating disc one 26 rotates to drive the connecting rod 25 to rotate, the connecting rod 25 rotates to drive the left bevel gear two 24 and the right bevel gear two 30 to rotate, the left bevel gear two 24 and the right bevel gear two 30 rotate to drive the left bevel gear one 23 and the right bevel gear one 31 to rotate respectively, the left bevel gear one 23 and the right bevel gear one 31 rotate to drive the left lead screw 21 and the right lead screw 22 to rotate respectively, at this time, the left lead screw 21 and the right lead screw 22 can drive the left connecting plate 4, the right connecting plate 41, the frame 5 and the scraper 6 to descend when they rotate synchronously, the frost and ice on the vaporizer 1 are cleaned by the descending of the scraper 6, when the scraper 6 needs to be maintained, the blocking rod 20 is taken off from the connecting block 19, then the limiting column 13 is pulled outwards, at this time, the limiting column 13 and the limiting strip 14 slide out of the round hole 17 and the limiting groove 18, gradually the cylinder 12 slides into the round hole 17, at this time, rotating the handle 15 can drive the limiting column 13, the cylinder 12, the sliding rod 10, the connecting barrel 8 and the scraper 6 to rotate, so that the scraper 6 changes from the vertical state to the horizontal state, then the limiting column 13, the cylinder 12 and the sliding rod 10 are taken out of the connecting barrel 8, at this time, the scraper 6 can be taken down from the gap in the vaporizer 1 for maintenance.
[0028] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An oxygen filling device utilizing the cooling capacity of liquid oxygen vaporization, comprising a vaporizer (1), characterized in that: The vaporizer (1) has an equipment compartment (2) at its bottom and a main support (3) at its top. A left connecting plate (4) is slidably connected to the inner wall of the main support (3). A frame (5) is installed on the outer edge of the left connecting plate (4). A right connecting plate (41) is fixedly assembled on the outer wall of the frame (5). A scraper (6) is installed in the inner cavity of the frame (5). The scraper (6) is slidably connected to the vaporizer (1). A compartment door (16) is installed on the inner wall of the equipment compartment (2). A left lead screw (21) and a right lead screw (22) are threadedly connected to the inner walls of the left connecting plate (4) and the right connecting plate (41), respectively. The scraper (6) has vertical grooves (7) at both ends. A connecting cylinder (8) is installed on the inner wall of the vertical groove (7). A slot (9) is opened on the inner wall of the connecting cylinder (8). An insert (11) is slidably connected to the inner wall of the slot (9). A cylinder (12) is fixedly mounted on the outer edge of the insert (11). A limit post (13) is fixedly mounted on the end of the cylinder (12) away from the slide rod (10). A limit strip (14) is fixedly mounted on the inner wall of the limit post (13). The outer wall of the frame (5) is provided with a circular hole (17), and the inner wall of the circular hole (17) is provided with a limiting groove (18). The limiting post (13) is slidably connected to the circular hole (17), and the limiting strip (14) is slidably connected to the limiting groove (18).
2. The oxygen filling device utilizing liquid oxygen vaporization cooling capacity according to claim 1, characterized in that: The outer edge of the left lead screw (21) is fixedly sleeved with a left bevel tooth 1 (23), the outer edge of the left bevel tooth 1 (23) is engaged with a left bevel tooth 2 (24), the inner wall of the left bevel tooth 2 (24) is fixedly fitted with a connecting rod (25), the end of the connecting rod (25) away from the left bevel tooth 2 (24) is equipped with a right bevel tooth 2 (30), the outer edge of the right bevel tooth 2 (30) is engaged with a right bevel tooth 1 (31), and the right bevel tooth 1 (31) is fixedly sleeved on the right lead screw (22).
3. The oxygen filling device utilizing liquid oxygen vaporization cooling capacity according to claim 2, characterized in that: The outer edge of the connecting rod (25) is fixedly sleeved with a turntable one (26), the outer wall of the turntable one (26) is rotatably connected with a belt (27), the inner wall of the belt (27) is rotatably connected with a turntable two (28), and the turntable two (28) is fixedly sleeved on the power output shaft of the servo motor (29).
4. The oxygen filling device utilizing liquid oxygen vaporization cooling capacity according to claim 1, characterized in that: A handle (15) is fixedly mounted on the outer edge of the limiting post (13), a connecting block (19) is fixedly mounted on the outer wall of the frame (5), and a stop bar (20) is inserted into the inner wall of the connecting block (19).