Anti-blocking gas valve
Patent Information
- Application Number
- CN202522521140.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-27
- Publication Date
- 2026-10-09
- Estimated Expiration
- 2035-11-27
AI Technical Summary
[0002]关风机广泛应用于粮食、饲料、仓储等行业,防堵关风机用于保证物料的正常输送,现防堵关风机内部与外端不通气,设备工作状态内部容易产生高温,高温会影响物料品质,且会导致设备损坏,因此需要一种能散热的防堵关风机
[0010]与现有技术相比,本实用新型的有益效果是:轴筒两侧贯穿轴承,且与外接连通,轴筒上分布开设有散热孔,以利用散热孔对轴筒进行散热,轴筒一侧的轴杆安装有叶轮,轴筒带动叶轮转动,以通过叶轮带动气流流动,提高轴筒和相邻轴承的散热效果。轴承外通过封盖进行限位,封盖中部对应轴筒开设有筒孔,以便于轴筒穿过,且便于轴承进行散热。拨板的两侧分别设有圆板,以通过圆板阻挡物料从缝隙流入轴承处,避免轴承因与物料摩擦产生高温损坏,拨板上端分布设有气孔,提高各个腔室之间的气体流动,提高散热效果。
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Figure CN224831231U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of air shut-off fan technology, specifically an anti-clogging air shut-off fan. Background Technology
[0002] Airlock valves are widely used in industries such as grain, feed, and warehousing. Anti-blocking airlock valves are used to ensure the normal conveying of materials. Currently, the internal and external ends of anti-blocking airlock valves are not connected, and the internal temperature of the equipment is prone to high temperature during operation. High temperature will affect the quality of materials and may cause equipment damage. Therefore, there is a need for an anti-blocking airlock valve that can dissipate heat. Utility Model Content
[0003] The technical problem solved by this utility model is to provide an anti-blockage shut-off fan to solve the problems mentioned in the background art.
[0004] The technical problem solved by this utility model is achieved by the following technical solution: an anti-blocking airlock, including an airlock box and a paddle assembly detachably installed inside the airlock box. The upper end of the airlock box is equipped with a feed hopper, and the lower end of the airlock box is equipped with a discharge hopper. The paddle assembly includes a shaft cylinder rotatably installed on the airlock box and paddle plates distributed on the shaft cylinder. Shaft rods are respectively provided on the outer sides of both ends of the shaft cylinder. The shaft rod on one side of the shaft cylinder is connected to the motor drive through a coupling, and an impeller is installed on the shaft rod on the other side. Several heat dissipation holes are arranged in a ring at the outer end of the shaft cylinder. The impeller rotates with the shaft cylinder, thereby driving the airflow in the heat dissipation holes and improving the heat dissipation effect of the shaft cylinder.
[0005] As a further embodiment of this utility model: The airlock box has a first end cover fixedly installed at one end and a second end cover detachably installed on the other side. The second end cover is embedded in the inner cavity of the airlock box and is fixedly connected to the airlock box by screws. Bearings are respectively provided inside the first end cover and the second end cover. Sealing caps that limit the bearings are also provided outside the first end cover and the second end cover. The sealing caps are provided with ring plates that abut against the outer ring of the bearings. The sealing caps are fixedly installed on the outer ends of the first end cover and the second end cover by screws. A cylinder hole is opened in the middle of the sealing cap corresponding to the shaft cylinder.
[0006] As a further embodiment of this utility model: The shaft has a stepped structure on both sides, and the bearings on both sides of the airlock box pass through the shaft and through the cylinder hole. There is also a gap between the shaft and the inner wall of the cylinder hole to facilitate heat dissipation of the bearings. The shaft is integrally set on both sides of the shaft. The shaft has a stepped structure, and pin grooves are provided on both sides of the shaft. A screw hole is also provided on the middle of the outer side of the shaft corresponding to the impeller.
[0007] As a further embodiment of this utility model: The impeller includes a sleeve and blades distributed at the outer end of the sleeve. The sleeve is fitted onto a shaft, and the inner wall of the sleeve has a pin groove. It is secured to the shaft by a locating pin. A limiting plate is bolted to the outer end of the shaft to clamp the sleeve onto the shaft. One side of the sleeve abuts against a step on the shaft, and the other side abuts against the limiting plate to position the impeller. The airlock box located at the outer end of the impeller is also equipped with a protective cover.
[0008] As a further embodiment of this utility model: The shaft cylinder has circular plates on both sides of the deflector plate. The circular plates are fixedly installed on the shaft cylinder, and a chamber for accommodating materials is formed between the deflector plate and the circular plates. The circular plates are used to prevent materials from flowing into the bearing from the gaps, thereby avoiding the high temperature caused by materials entering the bearing and improving the service life of the equipment. The upper end of the deflector plate is also provided with air holes to improve the gas flow between the chambers and improve the heat dissipation effect.
[0009] As a further embodiment of this utility model: The feed hopper is equipped with a feed pipe, and a flange plate is provided on the outside of the feed pipe to connect to the outer end feeding pipe. The lower end of the discharge hopper is equipped with mounting plates on both sides, and mounting holes are distributed on the mounting plates to install the airlock on the corresponding pipes.
[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: Bearings pass through both sides of the shaft cylinder and are connected to the outside. Heat dissipation holes are distributed on the shaft cylinder to dissipate heat. An impeller is installed on one side of the shaft cylinder, and the shaft cylinder drives the impeller to rotate, thereby driving airflow and improving the heat dissipation effect of the shaft cylinder and adjacent bearings. The bearings are limited by a cover, and a cylindrical hole is opened in the middle of the cover corresponding to the shaft cylinder to facilitate the shaft cylinder's passage and bearing heat dissipation. Circular plates are provided on both sides of the deflector plate to prevent material from flowing into the bearing through gaps, avoiding high-temperature damage to the bearing due to friction with the material. Air holes are distributed at the upper end of the deflector plate to improve gas flow between the chambers and enhance the heat dissipation effect. Attached Figure Description
[0011] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a partial cross-sectional view of the present invention. Figure 1 ; Figure 3 for Figure 2 Enlarged structural diagram at point A in the middle; Figure 4 This is a partial cross-sectional view of the present invention. Figure 2 ; The diagram shows the following components: 1. Airlock box; 2. Shaft cylinder; 3. Protective cover; 10. Mounting plate; 11. Feed hopper; 12. Discharge hopper; 13. First end cover; 14. Second end cover; 15. Bearing; 16. Sealing cover; 17. Ring plate; 18. Feed pipe; 19. Flange plate; 21. Dial plate; 22. Shaft; 23. Impeller; 24. Heat dissipation hole; 25. Sleeve; 26. Positioning pin; 27. Limiting plate; 28. Circular plate. Detailed Implementation
[0012] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below with reference to specific illustrations.
[0013] like Figures 1-4 As shown, this embodiment provides an anti-clogging airlock fan, including an airlock box 1 and a paddle assembly detachably disposed within the airlock box 1. The upper end of the airlock box 1 is equipped with a feed hopper 11, and the lower end of the airlock box 1 is equipped with a discharge hopper 12. The paddle assembly includes a shaft cylinder 2 rotatably mounted on the airlock box 1 and paddle plates 21 distributed on the shaft cylinder 2. Shaft rods 22 are respectively provided on the outer sides of both ends of the shaft cylinder 2. The shaft rod 22 on one side of the shaft cylinder 2 is connected to the motor drive via a coupling, and the shaft rod 22 on the other side is equipped with an impeller 23. The shaft cylinder 2 is provided with a plurality of heat dissipation holes 24 in a ring at the outer end of the shaft rod 22. The impeller 23 rotates with the shaft cylinder 2, thereby driving the airflow in the heat dissipation holes 24 to improve the heat dissipation effect of the shaft cylinder 2.
[0014] In this embodiment, a first end cap 13 is fixedly provided at one end of the airlock box 1, and a second end cap 14 is detachably installed on the other side. The second end cap 14 is embedded in the inner cavity of the airlock box 1 and is fixedly connected to the airlock box 1 by screws. Bearings 15 are respectively provided in the first end cap 13 and the second end cap 14. A cover 16 for limiting the bearings 15 is also provided on the outside of the first end cap 13 and the second end cap 14. A ring plate 17 abutting against the outer ring of the bearing 15 is provided on the cover 16. The cover 16 is fixedly installed on the outer end of the first end cap 13 and the second end cap 14 by screws. A cylinder hole is opened in the middle of the cover 16 corresponding to the shaft cylinder 2.
[0015] The shaft cylinder 2 has a stepped structure on both sides. The bearings 15 on both sides of the airlock box 1 pass through the shaft cylinder 2 and through the cylinder hole. There is also a gap between the shaft cylinder 2 and the inner wall of the cylinder hole to facilitate heat dissipation of the bearings 15. The shaft rod 22 is integrally set on both sides of the shaft cylinder 2. The shaft rod 22 has a stepped structure. The shaft rod 22 on both sides is provided with pin grooves. The outer middle of the shaft rod 22 is also provided with a screw hole corresponding to the impeller 23.
[0016] In this embodiment, the impeller 23 includes a sleeve 25 and blades distributed on the outer end of the sleeve 25. The sleeve 25 is sleeved and mounted on the shaft 22. The inner wall of the sleeve 25 is provided with a pin groove and is secured to the shaft 22 by a positioning pin 26. A limiting plate 27 is also bolted to the outer end of the shaft 22 to clamp the sleeve 25 onto the shaft 22. One side of the sleeve 25 abuts against the step of the shaft 22, and the other side abuts against the limiting plate 27 to position the impeller 23. The airlock box 1 is also equipped with a protective cover 3 at the outer end of the impeller 23.
[0017] In this embodiment, the shaft cylinder 2 is provided with circular plates 28 on both sides of the deflector plate 21. The circular plates 28 are fixedly installed on the shaft cylinder 2, and a chamber for accommodating materials is formed between the deflector plate 21 and the circular plates 28. The circular plates 28 are used to block the material from flowing into the bearing 15 from the gap, thereby avoiding the material entering the bearing 15 and causing high temperature, and improving the service life of the equipment. The upper end of the deflector plate 21 is also provided with air holes to improve the gas flow between each chamber and improve the heat dissipation effect.
[0018] In this embodiment, the feed hopper 11 is provided with a feed pipe 18, and the feed pipe 18 is provided with a flange plate 19 to connect the outer end of the feeding pipe. The discharge hopper 12 is provided with mounting plates 10 on both sides of the lower end, and mounting holes are distributed on the mounting plates 10 to install the airlock on the corresponding pipe.
[0019] Specifically, bearings 15 pass through both sides of the shaft cylinder 2 and are connected to the outside. Heat dissipation holes 24 are distributed on the shaft cylinder 2 to dissipate heat. An impeller 23 is installed on the shaft rod 22 on one side of the shaft cylinder 2. The shaft cylinder 2 drives the impeller 23 to rotate, thereby driving airflow and improving the heat dissipation effect of the shaft cylinder 2 and the adjacent bearing 15. The bearing 15 is limited by a cover 16. A cylindrical hole is opened in the middle of the cover 16 corresponding to the shaft cylinder 2 to allow the shaft cylinder 2 to pass through and facilitate heat dissipation of the bearing 15. Circular plates 28 are provided on both sides of the deflector plate 21 to prevent material from flowing into the bearing 15 through gaps, avoiding high-temperature damage to the bearing 15 due to friction with the material. Air holes are distributed at the upper end of the deflector plate 21 to improve gas flow between the chambers and enhance the heat dissipation effect.
[0020] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents. It should be noted that, in this document, the use of relational terms such as "first" and "second" is merely used to distinguish one entity or operation from another, and does not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. In the absence of further restrictions, an element defined by the phrase "comprising a..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
Claims
1. An anti-clogging airlock, comprising an airlock box (1) and a paddle assembly detachably disposed within the airlock box (1), wherein a feed hopper (11) is installed at the upper end of the airlock box (1) and a discharge hopper (12) is provided at the lower end of the airlock box (1), characterized in that: The paddle assembly includes a shaft cylinder (2) rotatably mounted on a bellows box (1) and paddle plates (21) distributed on the shaft cylinder (2). Shaft rods (22) are respectively provided on the outer sides of both ends of the shaft cylinder (2). The shaft rod (22) on one side of the shaft cylinder (2) is connected to the motor drive through a coupling, and the shaft rod (22) on the other side is equipped with an impeller (23). The shaft cylinder (2) is provided with a number of heat dissipation holes (24) in a ring at the outer end of the shaft rod (22). The impeller (23) rotates with the shaft cylinder (2), thereby driving the airflow in the heat dissipation holes (24).
2. The anti-clogging airlock as described in claim 1, characterized in that: The airlock box (1) has a first end cap (13) fixed at one end and a second end cap (14) detachably installed on the other side. The second end cap (14) is embedded in the inner cavity of the airlock box (1) and fixedly connected to the airlock box (1) by screws. The first end cap (13) and the second end cap (14) are respectively provided with bearings (15). The first end cap (13) and the second end cap (14) are also respectively provided with a cap (16) to limit the bearings (15). The cap (16) is provided with a ring plate (17) that abuts against the outer ring of the bearing (15). The cap (16) is fixedly installed on the outer end of the first end cap (13) and the second end cap (14) by screws. The middle part of the cap (16) is provided with a cylinder hole corresponding to the shaft cylinder (2).
3. The anti-clogging airlock blower according to claim 2, characterized in that: The shaft (2) has a stepped structure on both sides. The bearings (15) on both sides of the airlock box (1) pass through the shaft (2) and through the cylinder hole. There is also a gap between the shaft (2) and the inner wall of the cylinder hole. The shaft (22) is integrally set on both sides of the shaft (2). The shaft (22) has a stepped structure. The shaft (22) on both sides is provided with pin grooves. The middle part of the outer side of the shaft (22) is also provided with a screw hole corresponding to the impeller (23).
4. The anti-clogging airlock blower according to claim 3, characterized in that: The impeller (23) includes a sleeve (25) and blades distributed on the outer end of the sleeve (25). The sleeve (25) is sleeved and installed on the shaft (22). The inner wall of the sleeve (25) is provided with a pin groove and is clamped on the shaft (22) by a positioning pin (26). The outer end of the shaft (22) is also bolted with a limit plate (27) to clamp the sleeve (25) on the shaft (22). One side of the sleeve (25) abuts against the step of the shaft (22), and the other side abuts against the limiting plate (27) to position the impeller (23). The airlock box (1) is also equipped with a protective cover (3) at the outer end of the impeller (23).
5. The anti-clogging airlock as described in claim 1, characterized in that: The shaft cylinder (2) is provided with circular plates (28) on both sides of the deflector plate (21). The circular plates (28) are fixedly installed on the shaft cylinder (2). A chamber for accommodating materials is formed between the deflector plate (21) and the circular plates (28). Air holes are also distributed on the upper end of the deflector plate (21) to improve the gas flow between the chambers.
6. The anti-clogging airlock as described in claim 1, characterized in that: The feed hopper (11) is provided with a feed pipe (18), and a flange plate (19) is provided on the outside of the feed pipe (18) to connect the outer end feeding pipe through the flange plate (19). The discharge hopper (12) is provided with mounting plates (10) on both sides of the lower end, and mounting holes are distributed on the mounting plates (10).