Wastewater microorganism deodorization device with pipeline supporting structure
By designing the pipeline support structure and sealing and docking mechanism in the wastewater microbial deodorization device, the compression, leakage and contamination problems of the device during use are solved, and more efficient deodorization effect and better sealing are achieved.
Patent Information
- Application Number
- CN202420842386.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-22
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-04-22
AI Technical Summary
When used, the existing wastewater microbial deodorizing device is prone to crushing due to the large connecting pipe network; the connecting pipe port of the connecting box is not sealed from the access pipe port, resulting in wastewater leakage; the top air outlet port is easily contaminated by external dust.
A wastewater microbial deodorizing device with a pipeline support structure is designed, and the connecting pipe is supported and sealed through structures such as connecting rods, sliding grooves, telescopic rods and bevel gears; structures such as arc rings, hinges and U-shaped grooves are used to ensure that the connecting pipes are sealed and connected with the docking pipes; dustproof nets and engaging structures are installed on the air outlet duct to prevent dust from entering.
Effectively support and protect the connected pipe network to prevent leakage and damage; ensure the sealing of the connection and improve the deodorization effect; through the dustproof net and the engagement structure, external dust is prevented from entering the device, and the interior is kept clean.
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Figure CN222613103U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wastewater microbial deodorization devices, in particular to a wastewater microbial deodorization device with a pipeline support structure. Background Art
[0002] The wastewater microbial deodorization device can flow the wastewater microorganisms that need to be purified through the pipeline into the deodorization device, and after a certain period of reaction, the purified gas will be discharged from the deodorization device, which plays a role in protecting the environment in factories and other fields. The existing wastewater microbial deodorization device still has certain defects when used, such as;
[0003] For example, a wastewater microbial deodorization device with publication number CN211035621U, this utility model relates to the field of wastewater treatment technology, and discloses a wastewater microbial deodorization device, including a shell, a filter plate movably connected in the middle of the inner cavity of the shell, the filter plate divides the shell into a filter chamber and a deodorization chamber, a water inlet pipe is fixedly installed on the left side of the shell, a frame 1 is fixedly installed on the top front end of the filter chamber, and a motor 1 is fixedly installed behind the frame 1. This utility model movably connects the filter plate in the inner cavity of the shell, and divides the shell into a filter chamber and a deodorization chamber through the filter plate. Wastewater enters the inner cavity of the filter chamber from the water inlet pipe. Before entering the deodorization chamber, the wastewater needs to be filtered by the filter plate, and the impurities are filtered and left in the inner cavity of the filter chamber. The threaded rod is driven to rotate by the motor 1, so that the lifting plate engaged on the surface of the threaded rod moves upward, and the impurities in the filter chamber are taken out of the device, so as to filter the wastewater, avoid the accumulation of impurities inside the device, and improve the deodorization effect of the device;
[0004] This prior art solution also has the following problems when used:
[0005] 1. When the wastewater microbial deodorization device is in use, the connected pipe network is large. If there is no supporting device when the pipe network is connected to the top of the wastewater microbial deodorization device, the wastewater microbial deodorization device will be crushed;
[0006] 2. When the wastewater microbial deodorization device is in use, the connection pipe port of the connection box and the access pipe port are not sealed, which will cause wastewater leakage;
[0007] 3. When the wastewater microbial deodorization device is in use, since there is an air outlet on the top, when there is a lot of dust in the external environment, it will enter the wastewater microbial deodorization device from the air outlet, causing pollution;
[0008] Therefore, improvements need to be made to the above problems. Utility Model Content
[0009] The utility model provides the following technical solutions: The purpose of the utility model is to provide a wastewater microbial deodorization device with a pipeline support structure to solve the problems raised in the above background technology that the wastewater microbial deodorization devices on the market are currently in use because the connected pipe network is large. When the pipe network is connected to the top of the wastewater microbial deodorization device, if there is no supporting device, the wastewater microbial deodorization device will be crushed if there is no supporting device. When the wastewater microbial deodorization device is in use, the connecting pipe port of the connecting box and the access pipe port are not sealed, which will cause wastewater leakage. When the wastewater microbial deodorization device is in use, there is an air outlet at the top. When the external environment is dusty, the dust will enter the wastewater microbial deodorization device from the air outlet, causing pollution.
[0010] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wastewater microbial deodorization device with a pipeline support structure, comprising: a deodorization box, an air outlet pipe, a connection box, a connection pipe and an inlet pipe;
[0011] An air outlet pipe is connected to the top of the deodorizing box, a connecting box is provided on one side of the deodorizing box, a connecting pipe is connected between the connecting box and the deodorizing box, and an inlet pipe is connected to one side of the connecting box;
[0012] A connecting rod is arranged between the deodorizing box and the connecting box, a sliding groove is provided at the top of the connecting rod, a limiting groove is provided on the inner wall of the sliding groove, a telescopic rod is connected inside the sliding groove, a support plate is connected to the top of the telescopic rod, a limiting block is connected to the side of the telescopic rod close to the limiting groove, a threaded rod is penetrated through the bottom of the telescopic rod, a first bevel gear is connected to the side of the threaded rod, a handle is penetrated through the inside of the connecting rod, a second bevel gear is connected between the handle and the first bevel gear, and the limit block can slide through the limit groove when moving.
[0013] Preferably, a meshing structure is formed between the second bevel gear and the first bevel gear, and the first bevel gear and the threaded rod are an integral structure, so that the second bevel gear can mesh and rotate with the first bevel gear when rotating.
[0014] Preferably, the telescopic rod and the threaded rod are in threaded connection, and the telescopic rod and the sliding groove are in sliding connection, so that the telescopic rod can drive the support plate to move while sliding.
[0015] Preferably, the inlet pipe is further provided with a butt joint pipe, an arc ring, a hinge, a first connection block, a first U-shaped groove, a rotating shaft, a bolt, a nut, a second connection block, a second U-shaped groove, a sealing groove and a sealing ring;
[0016] A butt joint pipe is arranged on the side of the inlet pipe, an arc ring is connected to the side of the inlet pipe and the butt joint pipe, a hinge is connected between the arc rings, a first connecting block is connected to the side of the arc ring, a first U-shaped groove is opened on one side of the first connecting block, a rotating shaft is connected inside the first U-shaped groove, and the first connecting block can be driven to move when the arc ring rotates;
[0017] A bolt is connected to the side of the rotating shaft, a nut is connected to the side of the bolt, a second connecting block is connected to the side of the arc ring close to the first connecting block, a second U-shaped groove is opened on one side of the second connecting block, a sealing groove is opened on the surface of the inlet pipe, a sealing ring is connected to the side of the docking pipe close to the sealing groove, and the nut can be rotated when the bolt slides to the bottom of the second U-shaped groove.
[0018] Preferably, the bolt and the rotating shaft are an integral structure, and a rotating structure is formed between the bolt and the first U-shaped groove through the rotating shaft, and when the first connecting block moves to one side of the second connecting block, the first U-shaped groove and the second U-shaped groove can be driven to dock.
[0019] Preferably, a threaded connection is formed between the nut and the bolt, and a sliding connection is formed between the bolt and the second U-shaped groove, and the bolt can be pulled when the first U-shaped groove and the second U-shaped groove are butt-jointed.
[0020] Preferably, the air outlet pipe is further provided with a rainproof cover, a snap-fit groove, a dustproof net, a connecting ring, a fixing block, an extrusion groove, a spring and a snap-fit block;
[0021] A rain cover is connected to the top of the air outlet pipe, a snap-fitting groove is provided on the side of the rain cover, a dust net is connected to the side of the air outlet pipe, a connecting ring is connected to one side of the dust net, a fixing block is connected to the inner wall of the connecting ring, and the dust net can be stretched when the connecting ring is pulled to move;
[0022] The extrusion groove is arranged on one side of the fixed block close to the engaging groove. A spring is connected to the bottom of the extrusion groove. One end of the spring is connected to the engaging block. When the fixed block moves, the engaging block can be driven to move.
[0023] Preferably, a telescopic structure is formed between the snap-fit block and the extrusion groove via a spring, and a snap-fit structure is formed between the snap-fit block and the extrusion groove, so that the snap-fit block can slide through the extrusion groove when being extruded.
[0024] Compared with the prior art, the beneficial effects of the utility model are as follows: the wastewater microbial deodorization device with a pipeline support structure can drive the second bevel gear to rotate when the handle is turned, and the second bevel gear can mesh with the first bevel gear when it rotates, and the first bevel gear can drive the threaded rod to rotate when it rotates, and can rotate through a hinge when the arc ring is pulled to move, and can drive the first connecting block to move when the arc ring rotates, and when the first connecting block moves to one side of the second connecting block, it can drive the first U-shaped groove to dock with the second U-shaped groove, and when the extrusion groove docks with another group of engaging grooves, the engaging block can be reset by the spring's own elastic force, and when the engaging block is reset, the other group of engaging grooves can be engaged and fixed, so that the dustproof net can prevent dust from the air outlet pipe.
[0025] 1. When the handle is turned, the second bevel gear can be driven to rotate, and when the second bevel gear rotates, it can mesh and rotate with the first bevel gear, and when the first bevel gear rotates, it can drive the threaded rod to rotate, and when the threaded rod rotates, it can drive the telescopic rod to slide threadedly, and when the telescopic rod slides threadedly, it can drive the limit block to move, and when the limit block moves, it can slide through the limit groove, and when the telescopic rod slides, it can drive the support plate to move, and when the support plate moves to the side of the connecting pipe, it can support the connecting pipe, so that the connecting pipe can be supported when in use.
[0026] 2. When the arc ring is pulled to move, it can rotate through the hinge. When the arc ring rotates, it can drive the first connecting block to move. When the first connecting block moves to one side of the second connecting block, it can drive the first U-shaped groove to dock with the second U-shaped groove. When the first U-shaped groove and the second U-shaped groove are docked, the bolt can be pulled. When the bolt moves, it can rotate through the rotating shaft. When the bolt rotates, it can rotate through the first U-shaped groove. When the bolt rotates to the side of the second connecting block, it can slide through the second U-shaped groove. When the bolt slides to the bottom of the second U-shaped groove, the nut can be rotated. When the nut rotates, it can slide with the bolt threadably. When the nut thread slides, the second connecting block can be squeezed and fixed, so as to facilitate the sealing and docking between the connecting pipe and the docking pipe.
[0027] 3. When the connecting ring is pulled to move, the dustproof net can be stretched, and the connecting ring can slide with the rain cover when it moves. When the connecting ring slides, the fixed block can be driven to move. When the fixed block moves, the engaging block can be driven to move. When the engaging block moves, it can be squeezed by the inclined surface of the engaging groove. When the engaging block is squeezed, it can slide through the extrusion groove. When the engaging block slides, it can squeeze the spring. When the engaging block completely slides into the extrusion groove, the dustproof net continues to be pulled to move. At this time, the fixed block can drive the extrusion groove to dock with another set of engaging grooves. When the extrusion groove docks with another set of engaging grooves, the engaging block can be reset by the spring's own elastic force. When the engaging block is reset, it can clamp and fix the other set of engaging grooves, so that the dustproof net can prevent dust from the air outlet duct. BRIEF DESCRIPTION OF THE DRAWINGS
[0028] Figure 1 This is a schematic diagram of the front cross-sectional structure of the utility model;
[0029] Figure 2 It is a schematic diagram of the side cross-sectional structure of the utility model;
[0030] Figure 3 This is a schematic diagram of the top view structure of the utility model;
[0031] Figure 4 This is an enlarged structural diagram of part A of the utility model;
[0032] Figure 5 This is an enlarged structural diagram of part B of the utility model;
[0033] Figure 6 This is a schematic diagram of the enlarged structure of the C part of the utility model;
[0034] Figure 7 It is a schematic diagram of the enlarged structure of the D part of the utility model.
[0035] In the figure: 1. deodorizing box; 2. air outlet pipe; 3. connecting box; 4. connecting pipe; 5. inlet pipe; 6. connecting rod; 7. sliding groove; 8. limiting groove; 9. telescopic rod; 10. limiting block; 11. threaded rod; 12. first bevel gear; 13. handle; 14. second bevel gear; 15. butt joint; 16. arc ring; 17. hinge; 18. first connecting block; 19. first U-shaped groove; 20. rotating shaft; 21. bolt; 22. nut; 23. second connecting block; 24. second U-shaped groove; 25. sealing groove; 26. sealing ring; 27. rain cover; 28. snap-fit groove; 29. dustproof net; 30. connecting ring; 31. fixing block; 32. extrusion groove; 33. spring; 34. snap-fit block; 35. support plate. DETAILED DESCRIPTION
[0036] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0037] See also Figure 1-7 , the utility model provides a technical solution: a wastewater microbial deodorization device with a pipeline support structure, comprising: a deodorization box 1, an air outlet pipe 2, a connection box 3, a connection pipe 4 and an inlet pipe 5;
[0038] An air outlet pipe 2 is connected to the top of the deodorizing box 1, a connecting box 3 is arranged on one side of the deodorizing box 1, a connecting pipe 4 is connected between the connecting box 3 and the deodorizing box 1, an inlet pipe 5 is connected to one side of the connecting box 3, and a connecting rod 6 is arranged between the deodorizing box 1 and the connecting box 3. A sliding groove 7 is provided at the top of the connecting rod 6, and a limiting groove 8 is provided on the inner wall of the sliding groove 7. A telescopic rod 9 is connected inside the sliding groove 7, and a supporting plate 35 is connected to the top of the telescopic rod 9. A limiting block 10 is connected to the side of the telescopic rod 9 near the limiting groove 8, a threaded rod 11 is penetrated and connected to the bottom of the telescopic rod 9, and a first bevel gear 12 is connected to the side of the threaded rod 11, a handle 13 is penetrated and connected inside the connecting rod 6, and a second bevel gear 14 is connected between the handle 13 and the first bevel gear 12.
[0039] The second bevel gear 14 and the first bevel gear 12 form a toothed structure, and the first bevel gear 12 and the threaded rod 11 are an integral structure.
[0040] A threaded connection is formed between the telescopic rod 9 and the threaded rod 11 , and a sliding connection is formed between the telescopic rod 9 and the sliding groove 7 .
[0041] See also Figure 1 , 4, 5, it can be known that when the handle 13 is rotated, the second bevel gear 14 can be driven to rotate, and when the second bevel gear 14 rotates, it can mesh and rotate with the first bevel gear 12, and when the first bevel gear 12 rotates, the threaded rod 11 can be driven to rotate, and when the threaded rod 11 rotates, the telescopic rod 9 can be driven to slide threadedly, and when the telescopic rod 9 slides threadedly, the limit block 10 can be driven to move, and the limit block 10 can slide through the limit groove 8 when it moves, and the telescopic rod 9 can drive the support plate 35 to move while sliding, and when the support plate 35 moves to the side of the connecting pipe 4, the connecting pipe 4 can be supported, so that the connecting pipe 4 can be supported when in use.
[0042] The entry pipe 5 is also provided with a butt joint pipe 15, an arc ring 16, a hinge 17, a first connection block 18, a first U-shaped groove 19, a rotating shaft 20, a bolt 21, a nut 22, a second connection block 23, a second U-shaped groove 24, a sealing groove 25 and a sealing ring 26. The butt joint pipe 15 is arranged on the side of the entry pipe 5. The side of the entry pipe 5 and the butt joint pipe 15 are connected with an arc ring 16. The hinge 17 is connected between the arc rings 16. The side of the arc ring 16 is connected with the first connection block 18. A first U-shaped groove 19 is provided on one side of the first connecting block 18, a rotating shaft 20 is connected inside the first U-shaped groove 19, a bolt 21 is connected to the side of the rotating shaft 20, a nut 22 is connected to the side of the bolt 21, a second connecting block 23 is connected to the side of the arc ring 16 close to the first connecting block 18, a second U-shaped groove 24 is provided on one side of the second connecting block 23, a sealing groove 25 is provided on the surface of the inlet pipe 5, and a sealing ring 26 is connected to the side of the butt joint pipe 15 close to the sealing groove 25.
[0043] The bolt 21 and the rotating shaft 20 are an integral structure, and a rotating structure is formed between the bolt 21 and the first U-shaped groove 19 via the rotating shaft 20 .
[0044] A threaded connection is formed between the nut 22 and the bolt 21 , and a sliding connection is formed between the bolt 21 and the second U-shaped groove 24 .
[0045] See also Figure 1 , 2, 3, 6 show that when the arc ring 16 is pulled to move, it can rotate through the hinge 17, and when the arc ring 16 rotates, it can drive the first connecting block 18 to move. When the first connecting block 18 moves to one side of the second connecting block 23, it can drive the first U-shaped groove 19 to dock with the second U-shaped groove 24. When the first U-shaped groove 19 and the second U-shaped groove 24 are docked, the bolt 21 can be pulled, and the bolt 21 can be rotated through the rotating shaft 20 when it moves. When the bolt 21 rotates, it can rotate through the first U-shaped groove 19. When the bolt 21 rotates to the side of the second connecting block 23, it can slide through the second U-shaped groove 24. When the bolt 21 slides to the bottom of the second U-shaped groove 24, the nut 22 can be rotated. When the nut 22 rotates, it can slide with the bolt 21 threadedly. When the nut 22 slides threadedly, the second connecting block 23 can be squeezed and fixed, so as to facilitate the sealing docking between the connecting pipe 4 and the docking pipe 15.
[0046] The air outlet duct 2 is also provided with a rainproof cover 27, a snap-fit groove 28, a dustproof net 29, a connecting ring 30, a fixing block 31, an extrusion groove 32, a spring 33 and a snap-fit block 34. The rainproof cover 27 is connected to the top of the air outlet duct 2, and a snap-fit groove 28 is provided on the side of the rainproof cover 27. The side of the air outlet duct 2 is connected to the dustproof net 29, one side of the dustproof net 29 is connected to the connecting ring 30, the inner wall of the connecting ring 30 is connected to the fixing block 31, the extrusion groove 32 is provided on one side of the fixing block 31 close to the snap-fit groove 28, the bottom of the extrusion groove 32 is connected to the spring 33, and one end of the spring 33 is connected to the snap-fit block 34.
[0047] A telescopic structure is formed between the engaging block 34 and the extrusion groove 32 via a spring 33 , and an engaging structure is formed between the engaging block 34 and the engaging groove 28 .
[0048] See also Figure 1When the locking block 34 is reset, the other group of locking grooves 28 can be locked and fixed, so that the dustproof net 29 can be prevented from dusting the air outlet 29.
[0049] Working principle: When using the wastewater microbial deodorization device with a pipeline support structure, the second bevel gear 14 can be driven to rotate when the handle 13 is rotated, and the second bevel gear 14 can mesh with the first bevel gear 12 when it rotates. When the first bevel gear 12 rotates, the threaded rod 11 can be driven to rotate, and the arc ring 16 can be rotated through the hinge 17 when it is pulled to move. When the arc ring 16 rotates, it can drive the first connecting block 18 to move, and when the first connecting block 18 moves to one side of the second connecting block 23, the first U-shaped groove 19 can be driven to dock with the second U-shaped groove 24. When the extrusion groove 32 docks with another set of engaging grooves 28, the engaging block 34 can be reset by the elastic force of the spring 33 itself. When the engaging block 34 is reset, the other set of engaging grooves 28 can be engaged and fixed, so that the dustproof net 29 can prevent dust from the air outlet pipe 2. The content not described in detail in this description belongs to the prior art known to professional and technical personnel in this field.
[0050] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.
Claims
1. A wastewater microbial deodorization device with a pipeline support structure, comprising: The deodorizing box (1), the air outlet pipe (2), the connecting box (3), the connecting pipe (4) and the inlet pipe (5) are characterized in that; An air outlet pipe (2) is connected to the top of the deodorizing box (1), a connecting box (3) is provided on one side of the deodorizing box (1), a connecting pipe (4) is connected between the connecting box (3) and the deodorizing box (1), and an inlet pipe (5) is connected to one side of the connecting box (3); A connecting rod (6) is arranged between the deodorizing box (1) and the connecting box (3); a sliding groove (7) is provided at the top of the connecting rod (6); a limiting groove (8) is provided on the inner wall of the sliding groove (7); a telescopic rod (9) is connected inside the sliding groove (7); a supporting plate (35) is connected to the top of the telescopic rod (9); a limiting block (10) is connected to the side of the telescopic rod (9) near the limiting groove (8); a threaded rod (11) is connected through the bottom of the telescopic rod (9); a first bevel gear (12) is connected to the side of the threaded rod (11); a handle (13) is connected through the inside of the connecting rod (6); a second bevel gear (14) is connected between the handle (13) and the first bevel gear (12).
2. A wastewater microbial deodorization device with a pipeline support structure according to claim 1, characterized in that: A toothed structure is formed between the second bevel gear (14) and the first bevel gear (12), and the first bevel gear (12) and the threaded rod (11) are an integral structure.
3. The wastewater microbial deodorization device with a pipeline support structure according to claim 1, characterized in that: A threaded connection is formed between the telescopic rod (9) and the threaded rod (11), and a sliding connection is formed between the telescopic rod (9) and the sliding groove (7).
4. The wastewater microbial deodorization device with a pipeline support structure according to claim 1, characterized in that: The inlet pipe (5) is also provided with a butt joint pipe (15), an arc ring (16), a hinge (17), a first connecting block (18), a first U-shaped groove (19), a rotating shaft (20), a bolt (21), a nut (22), a second connecting block (23), a second U-shaped groove (24), a sealing groove (25) and a sealing ring (26); A butt joint pipe (15) is arranged on the side of the inlet pipe (5), an arc ring (16) is connected to the side of the inlet pipe (5) and the butt joint pipe (15), a hinge (17) is connected between the arc rings (16), a first connecting block (18) is connected to the side of the arc ring (16), a first U-shaped groove (19) is formed on one side of the first connecting block (18), and a rotating shaft (20) is connected inside the first U-shaped groove (19); A bolt (21) is connected to the side of the rotating shaft (20), a nut (22) is connected to the side of the bolt (21), a second connecting block (23) is connected to the side of the arc ring (16) close to the first connecting block (18), a second U-shaped groove (24) is provided on one side of the second connecting block (23), a sealing groove (25) is provided on the surface of the inlet pipe (5), and a sealing ring (26) is connected to the side of the butt joint pipe (15) close to the sealing groove (25).
5. The wastewater microbial deodorization device with a pipeline support structure according to claim 4, characterized in that: The bolt (21) and the rotating shaft (20) are an integral structure, and a rotating structure is formed between the bolt (21) and the first U-shaped groove (19) via the rotating shaft (20).
6. The wastewater microbial deodorization device with a pipeline support structure according to claim 4, characterized in that: A threaded connection is formed between the nut (22) and the bolt (21), and a sliding connection is formed between the bolt (21) and the second U-shaped groove (24).
7. The wastewater microbial deodorization device with a pipeline support structure according to claim 1, characterized in that: The air outlet pipe (2) is also provided with a rainproof cover (27), a snap-fit groove (28), a dustproof net (29), a connecting ring (30), a fixing block (31), an extrusion groove (32), a spring (33) and a snap-fit block (34); A rainproof cover (27) is connected to the top of the air outlet pipe (2), a locking groove (28) is provided on the side of the rainproof cover (27), a dustproof net (29) is connected to the side of the air outlet pipe (2), a connecting ring (30) is connected to one side of the dustproof net (29), and a fixing block (31) is connected to the inner wall of the connecting ring (30); The extrusion groove (32) is provided on one side of the fixing block (31) close to the locking groove (28); a spring (33) is connected to the bottom of the extrusion groove (32); and one end of the spring (33) is connected to the locking block (34).
8. The wastewater microbial deodorization device with a pipeline support structure according to claim 7, characterized in that: A telescopic structure is formed between the snap-fit block (34) and the extrusion groove (32) via a spring (33), and a snap-fit structure is formed between the snap-fit block (34) and the snap-fit groove (28).
Citation Information
Patent Citations
Wastewater microbial deodorization device
CN211035621U