Cylindrical section structure with multiple internal runners
By introducing limit columns, sealing components and other components into the cylindrical segment structure, the problem of difficulty in positioning and welding of the cylindrical segment is solved, and a more firm and sealed connection effect is achieved.
Patent Information
- Application Number
- CN202421529810.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-07-01
AI Technical Summary
The existing cylindrical sections are inconvenient to position and welding, resulting in poor welding results.
A cylindrical segment structure with multiple flow channels is designed. By setting up limit columns, sealing components, mounting sleeves, screws and other components, the positioning and fixing of the cylindrical segments and throat segments is achieved to ensure the firmness and sealing of welding.
Through the coordination of the limiting column and screws, the firm connection and positioning of the cylindrical section and the throat section is achieved, which is convenient for welding, and the sealing of the connection is ensured through the sealing component, which improves the welding effect.
Smart Images
Figure CN222772289U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of cylindrical sections, in particular to a cylindrical section structure with multiple flow channels inside. Background Art
[0002] A cylindrical section is a cylindrical part of a rocket launcher, usually one of the main thruster parts of the rocket.
[0003] The existing cylindrical segments are not convenient to position and weld, resulting in poor subsequent welding effects. To address the above problems, a cylindrical segment structure with multiple internal flow channels is proposed. Utility Model Content
[0004] The utility model aims to provide a cylindrical section structure with multiple flow channels inside, which solves the problem of inconvenience in positioning and welding the cylindrical section in the background art.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cylindrical section structure with multiple internal flow channels, comprising a cylindrical section, a throat section is arranged on the right side of the cylindrical section, an expansion section is fixedly connected to the right side of the throat section, four limiting columns are fixedly connected to the outside of the right side of the cylindrical section, a sealing assembly is arranged on the left side of the throat section, a mounting sleeve is connected to the outside of the sealing assembly, four first through holes are penetrated and opened on the outside of the mounting sleeve, screws are arranged in the four first through holes, four third through holes are opened on the outside of the cylindrical section, and evenly distributed flow channels are opened on the outside of the cylindrical section.
[0006] By adopting the above technical solution, the throat section is positioned by inserting the limit column into the jack of the throat section, and the mounting sleeve is fixed with screws, so that the cylindrical section and the throat section can be firmly connected and positioned at the same time, which is convenient for welding.
[0007] As a further description of the above technical solution: the sealing assembly includes a sealing sleeve, which is fixedly connected to the left side of the throat section, and an installation groove is opened on the inner side of the sealing sleeve. A uniformly distributed spring is fixedly connected in the installation groove, and a sealing ring is fixedly connected to the other end of the spring.
[0008] By adopting the above technical solution, the sealing performance when the cylindrical section and the throat section are connected can be ensured by the sealing component, so that the connection effect is better.
[0009] As a further description of the above technical solution: the interior of the mounting sleeve is slidably connected to the exterior of the cylindrical section.
[0010] By adopting the above technical solution, it is convenient to insert the cylindrical section into the installation sleeve.
[0011] As a further description of the above technical solution: the four screws are all arranged in four third through holes and the outer parts of the screws are threadedly connected to the inner walls of the third through holes.
[0012] By adopting the above technical solution, it is convenient for the screw to pass through the installation sleeve and be screwed into the cylindrical section, thereby achieving a fixing effect.
[0013] As a further description of the above technical solution: the sealing ring is arranged in the installation groove, and the outer part of the sealing ring is slidably connected to the inner wall of the installation groove.
[0014] By adopting the above technical solution, the sealing ring can be easily extended and retracted in the installation groove.
[0015] As a further description of the above technical solution: four second through holes are penetrated and opened on the outside of the sealing ring, and the inner walls of the four second through holes are slidably connected to the outside of four limiting columns.
[0016] By adopting the above technical solution, it is convenient for the limiting column to pass through the sealing ring.
[0017] As a further description of the above technical solution: four insertion holes are opened in the installation groove, and the four insertion holes correspond to four limiting columns.
[0018] By adopting the above technical solution, it is convenient to insert the limiting column into the socket for positioning.
[0019] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0020] The utility model provides a cylindrical section structure with multiple internal flow channels, which cooperates with each other through an insertion hole, a limiting column, a sealing sleeve, a sealing ring, a mounting groove, a spring, a mounting sleeve, a screw, and a first through hole. The limiting column is inserted into the insertion hole of the throat section to position the throat section, and the mounting sleeve is fixed by the screw. The cylindrical section and the throat section can be firmly connected and positioned at the same time, which is convenient for welding. The sealing assembly can ensure the sealing of the cylindrical section and the throat section when they are connected, so that the connection effect is better. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0022] Figure 2 This is an exploded schematic diagram of the sealing component structure of the utility model;
[0023] Figure 3 It is an exploded schematic diagram of the overall structure of the utility model.
[0024] In the figure: 1, cylindrical section; 2, plug hole; 3, throat section; 4, expansion section; 5, limit column; 6, sealing sleeve; 7, mounting groove; 8, spring; 9, sealing ring; 10, mounting sleeve; 11, first through hole; 12, screw; 13, second through hole; 14, third through hole; 15, flow channel. DETAILED DESCRIPTION
[0025] The following will refer to 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 of 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.
[0026] In order to further understand the content of the utility model, the utility model is described in detail with reference to the accompanying drawings.
[0027] Reference Figure 1 , Figure 2 and Figure 3 The utility model discloses a cylindrical section structure with multiple internal flow channels, comprising a cylindrical section 1, a throat section 3 is arranged on the right side of the cylindrical section 1, the cylindrical section 1 is connected, an expansion section 4 is fixedly connected to the right side of the throat section 3, four limiting columns 5 are fixedly connected to the outside of the right side of the cylindrical section 1, which play a positioning role and facilitate connection, a sealing assembly is arranged on the left side of the throat section 3, a mounting sleeve 10 is connected to the outside of the sealing assembly, the mounting sleeve 10 is fixedly connected to the throat section 3, four first through holes 11 are penetrated and opened on the outside of the mounting sleeve 10, which are convenient for inserting the limiting columns 5, screws 12 are arranged in the four first through holes 11, which play a fixing effect on the mounting sleeve 10, four third through holes 14 are opened on the outside of the cylindrical section 1, and a uniformly distributed flow channel 15 is opened on the outside of the cylindrical section 1, and the flow channel 15 can improve the mixing and combustion process of the fuel and the propellant, so as to improve the efficiency and performance of the engine.
[0028] Reference Figure 2 The sealing assembly includes a sealing sleeve 6, which is fixedly connected to the left side of the throat section 3. A mounting groove 7 is provided on the inner side of the sealing sleeve 6. A uniformly distributed spring 8 is fixedly connected in the mounting groove 7. A sealing ring 9 is fixedly connected to the other end of the spring 8. The sealing assembly can ensure the sealing performance when the cylindrical section 1 is connected to the throat section 3, so that the connection effect is better.
[0029] Reference Figure 1 , Figure 2 and Figure 3The interior of the mounting sleeve 10 is slidably connected with the exterior of the cylindrical section 1, so that the cylindrical section 1 is conveniently inserted into the mounting sleeve 10. The four screws 12 are all arranged in the four third through holes 14, and the exterior of the screws 12 is threadedly connected with the inner wall of the third through holes 14, so that the screws 12 pass through the mounting sleeve 10 and are screwed into the cylindrical section 1. The sealing ring 9 is arranged in the mounting groove 7, and the exterior of the sealing ring 9 is slidably connected with the inner wall of the mounting groove 7, so that the sealing ring 9 can be telescoped in the mounting groove 7. The exterior of the sealing ring 9 penetrates and opens four second through holes 13, and the inner walls of the four second through holes 13 are slidably connected with the exterior of the four limiting columns 5. Four plug holes 2 are opened in the mounting groove 7, and the four plug holes 2 correspond to the four limiting columns 5, so that the limiting columns 5 are conveniently inserted into the plug holes 2 for positioning.
[0030] Working principle: when welding the cylindrical section 1 and the throat section 3, the limiting column 5 on the right side of the cylindrical section 1 is inserted into the socket 2 on the left side of the throat section 3 for positioning. At this time, the mounting sleeve 10 is sleeved onto the outside of the cylindrical section 1, and the throat section 3 seals the cylindrical section 1 through the sealing assembly. The spring 8 is squeezed and expanded to drive the sealing ring 9 to expand and contract in the mounting groove 7, so that the sealing ring 9 can fit more closely to the right side of the cylindrical section 1 and the sealing effect of the connection is better. Then, the screw 12 is inserted through the first through hole 11 on the mounting sleeve 10 into the third through hole 14 and tightened to fix the mounting sleeve 10 on the outside of the right side of the cylindrical section 1. Finally, the cylindrical section 1 and the mounting sleeve 10 are fixed by welding. After positioning and connecting with the screw 12 and then welding, the connection can be secure.
[0031] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0032] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A cylindrical section structure with multiple internal flow channels, comprising a cylindrical section (1), characterized in that: A throat section (3) is arranged on the right side of the cylindrical section (1), an expansion section (4) is fixedly connected to the right side of the throat section (3), four limit columns (5) are fixedly connected to the outside of the right side of the cylindrical section (1), a sealing assembly is arranged on the left side of the throat section (3), a mounting sleeve (10) is connected to the outside of the sealing assembly, four first through holes (11) are penetrated and opened on the outside of the mounting sleeve (10), screws (12) are arranged in each of the four first through holes (11), four third through holes (14) are opened on the outside of the cylindrical section (1), and a uniformly distributed flow channel (15) is opened on the outside of the cylindrical section (1).
2. The cylindrical section structure with multiple internal flow channels according to claim 1, characterized in that: The sealing assembly comprises a sealing sleeve (6), the sealing sleeve (6) being fixedly connected to the left side of the throat section (3), a mounting groove (7) being provided on the inner side of the sealing sleeve (6), a spring (8) being fixedly connected with uniform distribution in the mounting groove (7), and a sealing ring (9) being fixedly connected to the other end of the spring (8).
3. The cylindrical section structure with multiple internal flow channels according to claim 1, characterized in that: The interior of the mounting sleeve (10) is slidably connected to the exterior of the cylindrical section (1).
4. The cylindrical section structure with multiple internal flow channels according to claim 1, characterized in that: The four screws (12) are all arranged in the four third through holes (14), and the outside of the screws (12) is threadedly connected to the inner wall of the third through hole (14).
5. The cylindrical section structure with multiple internal flow channels according to claim 2, characterized in that: The sealing ring (9) is arranged in the installation groove (7), and the outside of the sealing ring (9) is slidably connected to the inner wall of the installation groove (7).
6. The cylindrical section structure with multiple internal flow channels according to claim 2, characterized in that: Four second through holes (13) are formed through the outside of the sealing ring (9), and the inner walls of the four second through holes (13) are slidably connected to the outside of the four limiting columns (5).
7. The cylindrical section structure with multiple internal flow channels according to claim 2, characterized in that: Four insertion holes (2) are provided in the installation groove (7), and the four insertion holes (2) correspond to the four limiting columns (5).