An elliptical head

Abstract

The utility model belongs to the technical field of head, concretely is an oval head, including head shell and head inner shell, the head inner shell is provided with four groups, the inner surface middle part of head shell is fixed with fixed column of welding, the inner surface of head shell still is fixed with four groups first reinforcing rib of welding, four groups the both sides of head inner shell are fixed and welded on first reinforcing rib, four groups the side of head inner shell close to fixed column is all fixed and welded on fixed column, the utility model discloses be provided with connecting reinforcing subassembly between head shell and head inner shell for reinforcing the connecting strength of head shell and head inner shell, and install buffer subassembly in the inboard of fixed sleeve, when oval head is subjected to excessive pressure, buffer subassembly first buffering, if head inner shell is pressed and deforms and breaks, still have head shell pressure impact resistance, avoid the oval head direct rupture and lead to the occurrence of safety accident.

Description

Technical Field

[0001] This utility model relates to the field of end cap technology, specifically an elliptical end cap. Background Technology

[0002] Elliptical heads are an important component of pressure vessels and storage tanks, used to seal the ends of containers and ensure the safe storage and transportation of internal media. Their elliptical design allows for even stress distribution under internal pressure, reducing localized stress concentration and thus improving the overall strength and durability of the vessel. Compared to other types of heads (such as flat or hemispherical heads), elliptical heads achieve a good balance between manufacturing cost and performance, and are widely used in industries such as chemical, petroleum, and food processing.

[0003] Existing elliptical heads are made of metal plates and are used to seal the ends of containers, bearing internal pressure and external loads. Since existing elliptical heads are usually single-layer structures, when the internal pressure and external loads exceed the design limits, stress concentration is likely to occur in certain areas of the elliptical head, leading to local deformation or cracking and causing safety accidents. Therefore, we propose an elliptical head. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides an elliptical end cap. It comprises four sets of inner and outer shells, with the inner shells fixedly welded to the outer shell by four sets of first reinforcing ribs. A connecting reinforcement assembly is also provided between the outer and inner shells to enhance the connection strength. Furthermore, a buffer assembly is installed inside the fixing sleeve. When the elliptical end cap is subjected to excessive pressure, the buffer assembly first provides cushioning. If the inner shell deforms and ruptures under pressure, the outer shell further resists the impact, preventing the elliptical end cap from directly rupturing and causing a safety accident. This solves the problems mentioned earlier.

[0005] To achieve the above objectives, this utility model provides the following technical solution: an elliptical end cap, comprising an outer end cap shell and an inner end cap shell, wherein the inner end cap shell is provided with four sets of ...

[0006] Preferably, the connecting reinforcement component includes a second reinforcing rib, and four sets of the second reinforcing ribs are provided. All four sets of the second reinforcing ribs are fixedly welded to the inner surface of the end cap shell. Several third reinforcing ribs are fixedly welded to the side of the second reinforcing ribs. The second reinforcing ribs are provided with slots. The slots are filled with metal adhesive. The outer surface of the end cap shell is fixedly welded with inserts. The inserts are inserted into the slots, and the sides of the inserts are provided with several filling grooves.

[0007] Preferably, the buffer assembly includes a buffer plate and a mounting bracket. The mounting bracket is fixedly installed on the inner side of the fixed sleeve. A plurality of limiting rods are fixedly connected to the top side of the buffer plate. The top end of each limiting rod passes through the mounting bracket and is threaded with a nut. A spring is sleeved on the outer surface of the limiting rod. The top and bottom sides of the spring abut against the mounting bracket and the buffer plate, respectively.

[0008] Preferably, the fixing component includes a mounting sleeve, which has a sliding groove. A sealing gasket is provided on the bottom side of the sliding groove. The inner side of the mounting sleeve is fixedly connected to the sliding sleeve, which is slidably connected to the sliding groove. The bottom side of the sliding sleeve abuts against the top side of the sealing gasket. The inner side of the mounting sleeve has a threaded groove.

[0009] Preferably, two sets of handles are fixedly welded to the outer side of the mounting sleeve.

[0010] Preferably, a number of rock wool strips are also filled between the outer shell and the inner shell of the end cap.

[0011] This utility model provides an elliptical end cap. Compared with the prior art, it has the following advantages: 1. This type of elliptical end cap comprises four sets of inner and outer shells. The four sets of inner shells are fixedly welded to the outer shell by four sets of first reinforcing ribs. A connecting reinforcement component is also provided between the outer shell and the inner shell to enhance the connection strength between them. A buffer component is installed inside the fixed sleeve. When the elliptical end cap is subjected to excessive pressure, the buffer component first buffers the pressure. If the inner shell is deformed and ruptured by pressure, the outer shell will withstand the pressure impact, thus preventing the elliptical end cap from rupturing directly and causing a safety accident.

[0012] 2. This type of elliptical end cap has a fixing component installed on the outside of the fixing sleeve. The fixing component is slidably connected to the sliding groove opened on the fixing sleeve by setting the mounting sleeve. When the elliptical end cap is installed, the mounting sleeve is threaded onto the tank body through the threaded groove opened on the inner side of the mounting sleeve, and the elliptical end cap is driven to press against the tank body. This installation method does not require rotating the elliptical end cap, saving time and effort. Attached Figure Description

[0013] Figure 1This is a front view structural diagram of the main body of this utility model; Figure 2 This is a schematic diagram of the front cross-sectional structure of the main body of this utility model; Figure 3 This is a frontal view of the disassembled structure of the main body of this utility model; Figure 4 This is a schematic diagram of the inner surface structure of the end cap shell of this utility model; Figure 5 This is a schematic diagram of the external structure of the inner shell of the end cap of this utility model.

[0014] In the diagram: 1. Head outer shell; 2. Mounting sleeve; 3. Handle; 4. Head inner shell; 5. Fixing sleeve; 6. Sealing gasket; 7. Sliding sleeve; 8. Buffer plate; 9. Mounting bracket; 10. Threaded groove; 11. Limiting rod; 12. Nut; 13. Spring; 14. Fixing post; 15. First reinforcing rib; 16. Second reinforcing rib; 17. Third reinforcing rib; 18. Slot; 19. Insert; 20. Filling groove; 21. Sliding groove. Detailed Implementation

[0015] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0016] Please see Figure 1-5 This utility model provides a technical solution: an elliptical end cap, including an end cap shell 1 and an end cap inner shell 4. The end cap inner shell 4 is provided with four sets. A fixing post 14 is fixedly welded to the middle of the inner surface of the end cap shell 1. The inner surface of the end cap shell 1 is also fixedly welded with four sets of first reinforcing ribs 15. Both sides of the four sets of end cap inner shells 4 are fixedly welded to the first reinforcing ribs 15. The side of the four sets of end cap inner shells 4 near the fixing post 14 is fixedly welded to the fixing post 14. A fixing sleeve 5 is fixedly welded to the bottom of the end cap shell 1. The bottom sides of the four sets of end cap inner shells 4 are fixedly welded to the fixing sleeve 5. A connecting reinforcing component is also provided between the end cap shell 1 and the end cap inner shell 4. A buffer component is installed on the inner side of the fixing sleeve 5, and a fixing component is installed on the outer side of the fixing sleeve 5.

[0017] The elliptical end cap consists of four sets of inner end cap shells 4, an outer end cap shell 1, and a fixing sleeve 5. The two sides of the four sets of inner end cap shells 4 are welded to four sets of first reinforcing ribs 15 fixedly welded to the inner surface of the outer end cap shell 1. The short side of the four sets of inner end cap shells 4 is fixedly welded to a fixing post 14 fixedly welded to the middle of the inner surface of the outer end cap shell 1. The bottom sides of the four sets of inner end cap shells 4 and the outer end cap shell 1 are fixedly welded to the top side of the fixing sleeve 5, forming a double-layer sealing structure. Compared with a single-layer elliptical end cap, the structural strength of the elliptical end cap is improved. A connecting reinforcing component is provided between the outer end cap shell 1 and the inner end cap shell 4 to strengthen the connection strength between the inner end cap shell 4 and the outer end cap shell 1. When the elliptical end cap is used, it is installed on the tank body through the fixing component. If the elliptical end cap is impacted by the inside of the tank, the buffer component will buffer the impact to prevent the inner end cap shell 4 from directly contacting the pressure.

[0018] The connecting reinforcement assembly includes a second reinforcing rib 16, of which four sets are provided. All four sets of second reinforcing ribs 16 are fixedly welded to the inner surface of the head shell 1. Several third reinforcing ribs 17 are fixedly welded to the side of the second reinforcing ribs 16. A slot 18 is provided on the second reinforcing ribs 16. The inside of the slot 18 is filled with metal adhesive. An insert 19 is fixedly welded to the outer surface of the head inner shell 4. The insert 19 is inserted into the slot 18, and several filling grooves 20 are provided on the side of the insert 19.

[0019] When the connecting reinforcement assembly is used, when the inner shell 4 and the outer shell 1 of the end cap are assembled, the insert 19 fixedly welded to the outer surface of the inner shell 4 is first inserted into the slot 18 opened on the second reinforcing rib 16 on the inner surface of the outer shell 1, and the slot 19 is bonded to the slot 18 by filling the inside of the slot 18 with metal adhesive. Several filling grooves 20 are opened on the side of the insert 19 to facilitate the metal adhesive to be squeezed onto the side of the insert 19. Several third reinforcing ribs 17 are fixedly welded to the side of the second reinforcing rib 16 to strengthen the structural strength of the outer shell 1 of the end cap.

[0020] The buffer assembly includes a buffer plate 8 and a mounting bracket 9. The mounting bracket 9 is fixedly installed on the inner side of the fixed sleeve 5. Several limiting rods 11 are fixedly connected to the top side of the buffer plate 8. The top end of the limiting rod 11 passes through the mounting bracket 9 and is threaded with a nut 12. A spring 13 is sleeved on the outer surface of the limiting rod 11. The top and bottom sides of the spring 13 abut against the mounting bracket 9 and the buffer plate 8, respectively.

[0021] When the buffer assembly is in use, if the inner shell 4 of the end cap is impacted, the buffer plate 8 will be impacted first. The buffer plate 8 will be unloaded by the spring 13 sleeved on the limiting rod 11, so that the buffer plate 8 slides and rises on the mounting frame 9 through the limiting rod 11. The limiting rod 11 is limited by the nut 12.

[0022] The fixing component includes a mounting sleeve 2, a fixing sleeve 5 with a sliding groove 21, a sealing gasket 6 on the bottom side of the sliding groove 21, a sliding sleeve 7 fixedly connected to the inner side of the mounting sleeve 2, the sliding sleeve 7 slidably connected to the sliding groove 21, the bottom side of the sliding sleeve 7 abutting against the top side of the sealing gasket 6, and a threaded groove 10 on the inner side of the mounting sleeve 2.

[0023] When the elliptical end cap is installed, the installation sleeve 2 is threaded onto the tank body through the threaded groove 10 opened on the inner side of the installation sleeve 2. When the installation sleeve 2 is installed, it drives the sliding sleeve 7 to slide on the sliding groove 21 and gradually presses the elliptical end cap against the tank body. A sealing gasket 6 is provided on the bottom side of the inner side of the sliding groove 21 to seal the installation sleeve 2 and the fixing sleeve 5.

[0024] Two sets of handles 3 are fixedly welded to the outer side of the mounting sleeve 2 for rotating the mounting sleeve 2.

[0025] Several rock wool strips are also filled between the outer shell 1 and the inner shell 4 of the head, forming a heat insulation layer between the outer shell 1 and the inner shell 4 of the head.

[0026] Working principle: This elliptical head consists of four sets of inner shells 4, outer shells 1, and fixing sleeves 5. The two sides of the four sets of inner shells 4 are welded to four sets of first reinforcing ribs 15 fixedly welded to the inner surface of the outer shell 1. One short side of each set of inner shells 4 is fixedly welded to a fixing post 14 fixedly welded to the middle of the inner surface of the outer shell 1. Furthermore, the bottom sides of both the four sets of inner shells 4 and the outer shell 1 are fixedly welded to the top side of the fixing sleeves 5, forming a double-layer sealing structure. Compared to a single-layer elliptical head, this improves the structural strength of the elliptical head. When the inner shell 4 and the outer shell 1 of the head are assembled, the insert 19 fixedly welded to the outer surface of the inner shell 4 is first inserted into the slot 18 opened on the second reinforcing rib 16 on the inner surface of the outer shell 1. The slot 18 is filled with metal adhesive to bond the insert 19 to the slot 18. Several filling grooves 20 are opened on the side of the insert 19 to facilitate the metal adhesive to be squeezed onto the side of the insert 19. Several third reinforcing ribs 17 are fixedly welded to the side of the second reinforcing rib 16 to further strengthen the structural strength of the outer shell 1. When the elliptical end cap is installed, the mounting sleeve 2 is threaded onto the tank body through the threaded groove 10 on the inner side of the mounting sleeve 2. When the mounting sleeve 2 is installed, it drives the sliding sleeve 7 to slide on the sliding groove 21, and gradually presses the elliptical end cap against the tank body. The bottom of the sliding groove 21 is provided with a sealing gasket 6 to seal the mounting sleeve 2 and the fixing sleeve 5. If the elliptical end cap is impacted by the inside of the tank, the buffer plate 8 is impacted first to avoid the inner shell 4 of the end cap being directly pressed. The buffer plate 8 is relieved by the spring 13 sleeved on the limiting rod 11, so that the buffer plate 8 slides and rises on the mounting frame 9 through the limiting rod 11. The limiting rod 11 is limited by the nut 12.

[0027] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, 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 process, method, article, or apparatus.

[0028] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An elliptical end cap, comprising an outer end cap shell (1) and an inner end cap shell (4), characterized in that: The inner shell (4) of the end cap is provided with four sets. A fixing post (14) is fixedly welded to the middle of the inner surface of the outer shell (1) of the end cap. The inner surface of the outer shell (1) of the end cap is also fixedly welded with four sets of first reinforcing ribs (15). Both sides of the four sets of inner shells (4) of the end cap are fixedly welded to the first reinforcing ribs (15). The side of the four sets of inner shells (4) of the end cap close to the fixing post (14) is fixedly welded to the fixing post (14). A fixing sleeve (5) is fixedly welded to the bottom of the outer shell (1). The bottom side of the four sets of inner shells (4) of the end cap is fixedly welded to the fixing sleeve (5). A connecting reinforcing component is also provided between the outer shell (1) of the end cap and the inner shell (4). A buffer component is installed on the inner side of the fixing sleeve (5). A fixing component is installed on the outer side of the fixing sleeve (5).

2. An elliptical end cap according to claim 1, characterized in that: The connecting reinforcement component includes a second reinforcing rib (16), which is provided in four groups. All four groups of the second reinforcing ribs (16) are fixedly welded to the inner surface of the head shell (1). Several third reinforcing ribs (17) are fixedly welded to the side of the second reinforcing ribs (16). A slot (18) is provided on the second reinforcing ribs (16). The slot (18) is filled with metal adhesive. An insert (19) is fixedly welded to the outer surface of the head inner shell (4). The insert (19) is inserted into the slot (18), and several filling grooves (20) are provided on the side of the insert (19).

3. An elliptical end cap according to claim 1, characterized in that: The buffer assembly includes a buffer plate (8) and a mounting bracket (9). The mounting bracket (9) is fixedly installed on the inner side of the fixed sleeve (5). A number of limiting rods (11) are fixedly connected to the top side of the buffer plate (8). The top end of the limiting rod (11) passes through the mounting bracket (9) and is threaded with a nut (12). A spring (13) is sleeved on the outer surface of the limiting rod (11). The top and bottom sides of the spring (13) abut against the mounting bracket (9) and the buffer plate (8) respectively.

4. An elliptical end cap according to claim 1, characterized in that: The fixing component includes a mounting sleeve (2), on which a sliding groove (21) is provided. A sealing gasket (6) is provided on the bottom side of the sliding groove (21). A sliding sleeve (7) is fixedly connected to the inner side of the mounting sleeve (2). The sliding sleeve (7) is slidably connected to the sliding groove (21). The bottom side of the sliding sleeve (7) abuts against the top side of the sealing gasket (6). A threaded groove (10) is provided on the inner side of the mounting sleeve (2).

5. An elliptical end cap according to claim 4, characterized in that: Two sets of handles (3) are fixedly welded to the outer side of the mounting sleeve (2).

6. An elliptical end cap according to claim 1, characterized in that: Several rock wool strips are also filled between the outer shell (1) and the inner shell (4) of the head.

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