Post-treatment sealing package
By designing the sinking structure of the cylindrical protective cover and sensor mount in the after-treatment system, the fire problem caused by straw and ash combustion is solved, the sealing and stability of the system are enhanced, and the effect of easy disassembly and maintenance is achieved.
Patent Information
- Application Number
- CN202421859027.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-02
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-08-02
AI Technical Summary
The existing post-treatment system is prone to fire due to straw and ash burning in the harvester machinery, and the sensor installation is unstable, which affects the system reliability and maintainability.
A post-treatment seal package is designed, including a cylindrical protective cover and an end shield, with a sealing cotton and a sensor mount on the inside, a sensor mount is designed to reduce gaps, and a third protective cover and a bolted connection structure on the outside, enhancing sealing and stability.
Effectively prevent straw and ash from entering the post-treatment system, avoiding rising temperatures and fires, improving system safety and stability, and at the same time, the structure is simple and easy to disassemble and maintain.
Smart Images

Figure CN223048882U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of post-treatment heat shields, and particularly relates to a post-treatment sealed package. Background Art
[0002] Since December 2022, China has fully implemented the national IV emission standards for non-road mobile machinery. Non-road post-treatment is widely used. According to regulatory requirements, higher requirements are put forward for the reliability and maintainability of post-treatment, which poses new challenges to manufacturers in product structure design.
[0003] On harvesting machines, during the harvesting of crops, straw and flying ash will be generated. During the post-treatment operation, due to the "siphon" phenomenon of heat convection, the generated flying ash will be sucked into the post-treatment interior, reaching the ignition point of the straw or flying ash during the post-treatment operation, resulting in a fire. Therefore, a protective heat shield needs to be designed. Summary of the Invention
[0004] To solve at least one technical problem in the prior art, an embodiment of the utility model provides a post-treatment sealed package, which can play a role in protection and heat insulation. To achieve the above technical purposes, the technical solution adopted in the embodiment of the utility model is as follows:
[0005] An embodiment of the utility model provides a post-treatment sealed package, including:
[0006] A cylindrical protective cover, including a first protective cover and a second protective cover that are combined with each other. The first protective cover and / or the second protective cover is in a semi-cylindrical shape and extends axially. A first sealing cotton is provided inside the cylindrical protective cover;
[0007] An end protective cover, fixedly connected to one end of the cylindrical protective cover.
[0008] Further, a plurality of avoidance holes are provided on the first sealing cotton;
[0009] And / or, a first avoidance groove is provided on the side of the first sealing cotton.
[0010] Further, a sensor mounting seat is further provided on the first protective cover and / or the second protective cover,
[0011] The sensor mounting seat sinks towards the inside of the cylindrical protective cover and has a through hole at the center.
[0012] Further, a sensor sealing cotton is further included, provided on the outside of the sensor mounting seat.
[0013] Further, a third protective cover is further included, extending axially and provided on the outside of the cylindrical protective cover. A plurality of first holes are provided on the third protective cover.
[0014] Further, first mounting holes are provided on both sides of the third protective cover.
[0015] First assembly holes are provided on the cylindrical protective cover, and the positions of the first mounting holes correspond to those of the first assembly holes one by one.
[0016] The post-treatment sealing package further includes first mounting bolts, which pass through the first mounting holes and are threadedly connected to the first assembly holes.
[0017] Further, an extension part is provided on the side of the third protective cover facing away from the end protective cover, and second mounting holes are provided on both sides of the extension part.
[0018] Second assembly holes are provided on the cylindrical protective cover, and the positions of the second mounting holes correspond to those of the second assembly holes one by one.
[0019] The post-treatment sealing package further includes second mounting bolts, which pass through the second mounting holes and are threadedly connected to the second assembly holes.
[0020] Further, convex parts are provided on the first protective cover and / or the second protective cover, and the convex parts protrude toward the outside of the cylindrical protective cover.
[0021] Further, a second avoidance groove is provided at one end of the first protective cover facing away from the end protective cover.
[0022] And / or, a second avoidance groove is provided at one end of the second protective cover facing away from the end protective cover.
[0023] Further, a heat insulation cotton is further included and is provided on the side of the cylindrical protective cover facing away from the end protective cover.
[0024] The beneficial effects brought by the technical solution provided by the embodiment of the present utility model are as follows:
[0025] 1) By arranging the first sealing cotton inside the cylindrical protective cover in the embodiment of the present utility model, the sealing performance of the post-treatment sealing package is greatly increased, which not only plays a role in heat insulation, but also can prevent straw and flying ash from entering and causing a fire due to temperature rise, thereby improving the safety of the post-treatment sealing package.
[0026] 2) By designing a sunken sensor mounting seat at the temperature sensor in the embodiment of the present utility model, the gap between the second protective cover and the sensor base is reduced, the stability of the post-treatment sealing package is improved, and the heat dissipation can be reduced, playing a role in heat insulation. By providing sensor sealing cotton to fill the gap between the sensor mounting seat and the temperature sensor, heat dissipation to the outside is avoided, and the sealing performance of the post-treatment sealing package is improved.
[0027] 3) The embodiment of the utility model has low cost, simple structure, easy disassembly and later maintenance, and strong versatility. Brief Description of the Drawings
[0028] Figure 1 It is a schematic structural diagram of the post-treatment sealing package in the embodiment of the utility model.
[0029] Figure 2 It is an exploded view of the post-treatment sealing package in the embodiment of the utility model. Detailed Embodiment
[0030] In order to make the purpose, technical solutions and advantages of the utility model clearer, the following further describes the utility model in detail with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.
[0031] In the description of the embodiment of the utility model, it should be noted that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the utility model. In addition, the terms "first", "second", and "third" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance.
[0032] In the description of the embodiment of the utility model, it should be noted that unless otherwise clearly specified and limited, the terms "installation", "connection", and "connection" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can also be the communication inside two elements. It can be a wireless connection or a wired connection. For those of ordinary skill in the art, the specific meanings of the above terms in the utility model can be understood according to specific situations.
[0033] In addition, the technical features involved in different embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other.
[0034] The embodiment of the utility model provides a post-treatment sealing package, including:
[0035] A cylindrical protective cover 1, including a first protective cover 11 and a second protective cover 12 that are combined with each other. The first protective cover 11 and / or the second protective cover 12 is in a semi-cylindrical shape and extends along the axial direction. A first sealing cotton 2 is provided inside the cylindrical protective cover 1;
[0036] The end protection cover 3 is fixedly connected to one end of the cylindrical protection cover 1.
[0037] It should be noted that this application is mainly used on the cylindrical platform in the post-treatment system. As Figure 1 and Figure 2 shown, the cylindrical platform extends axially, with an air inlet at the lower end and an air outlet at the upper end. Components such as air ducts and temperature sensors are usually also provided on the cylindrical platform.
[0038] This application is used to encapsulate the cylindrical platform. During installation, the cylindrical protection cover 1 is sleeved on the cylindrical platform, and the end protection cover 3 is sleeved on the air outlet at the upper end of the cylindrical platform. Therefore, the first protection cover 11 and the second protection cover 12 extend axially and are both semi-cylindrical. In a specific embodiment, as Figure 2 shown, the first protection cover 11 is on the left side and the second protection cover 12 is on the right side. The end protection cover 3 is conical, so that this structure can fit the cylindrical platform. The cylindrical protection cover 1 and the end protection cover 3 can effectively isolate impurities such as straw and flying ash from entering the cylindrical platform. By setting the first sealing cotton 2 inside the cylindrical protection cover 1, the sealing performance of the post-treatment sealing package can be effectively improved, providing good heat insulation protection for the cylindrical platform, preventing heat from dissipating, and also preventing the temperature from rising due to the entry of straw and flying ash, thereby improving the safety of the post-treatment sealing package.
[0039] The structure and shape of the first sealing cotton 2 are not limited. In a specific embodiment, two pieces of the first sealing cotton 2 can be provided, and the two pieces of the first sealing cotton 2 are respectively arranged at the connection of the first protection cover 11 and the second protection cover 12.
[0040] In another specific embodiment, one piece of the first sealing cotton 2 can be provided and can completely wrap the cylindrical platform. In this embodiment, a plurality of avoidance holes 2a are provided on the first sealing cotton 2;
[0041] and / or, a first avoidance groove 2b is provided on the side of the first sealing cotton 2. As Figure 2 shown, the avoidance holes 2a on the first sealing cotton 2 are used to avoid the components on the cylindrical platform, and the first avoidance groove 2b corresponds to the air duct of the cylindrical platform. During installation, the first sealing cotton 2 can be compressed when the first protection cover 11 and the second protection cover 12 are installed to form a seal.
[0042] Furthermore, a sensor mounting seat 121 is also provided on the first protection cover 11 and / or the second protection cover 12,
[0043] The sensor mounting seat 121 sinks towards the inner side of the cylindrical protection cover 1 and has a through hole at the center.
[0044] It should be noted that, as Figure 2 shown, a sensor base is provided on the cylindrical platform, and a linear temperature sensor is connected to the sensor base. The sensor mounting seat 121 is provided on the second protective cover 12. The sunken structure design can reduce the gap between the second protective cover 12 and the sensor base, improve the stability of the post-treatment hermetic packaging, and can reduce the heat dissipation, playing a heat insulation role. A through hole is provided in the center, which is beneficial to installing the temperature sensor on the cylindrical platform through the second protective cover 12, and is also beneficial to the later disassembly and maintenance of the temperature sensor. During installation, the through hole of the sensor mounting seat 121 of the second protective cover 12 is aligned with the sensor base on the cylindrical platform, and then the temperature sensor is installed on the sensor base through the through hole.
[0045] Furthermore, a sensor sealing cotton 122 is further included, which is arranged outside the sensor mounting seat 121.
[0046] As Figure 2 shown, the shape of the sensor sealing cotton 122 is not limited. In a specific embodiment, since the temperature of the temperature sensor gradually decreases from the end close to the cylindrical platform to the outside, the sensor sealing cotton 122 can be set as a cone. During installation, the bottom of the cone of the sensor sealing cotton 122 is sleeved on the sensor base. The conical sensor sealing cotton 122 can fill the gap between the sensor mounting seat 121 and the temperature sensor, avoid heat dissipation, and improve the sealing performance of the post-treatment hermetic packaging.
[0047] The installation method of the sensor sealing cotton 122 is not limited. For example, the temperature sensor can be fixed on the sensor mounting seat 121 by rivets, or the sensor sealing cotton 122 can be fixedly connected to the temperature sensor by metal straps.
[0048] Furthermore, a third protective cover 4 is further included, which extends axially and is arranged outside the cylindrical protective cover 1. A plurality of first holes 4a are provided on the third protective cover 4. As Figure 2 shown, a through hole is provided on the sensor mounting seat 121 of the second protective cover 12. Therefore, adding the third protective cover 4 on the second protective cover 12 can prevent impurities from entering and improve the protection performance of the post-treatment hermetic packaging. The first holes 4a on the third protective cover 4 can play a heat dissipation role.
[0049] The third protective cover 4 is fixedly connected to the cylindrical protective cover 1. In a specific embodiment, the third protective cover 4 is welded to the second protective cover 12.
[0050] In another specific embodiment, as Figure 2As shown, on both sides of the third protective cover 4 are provided with first mounting holes 4b, and on the cylindrical protective cover 1 are provided with first fitting holes, and the positions of the first mounting holes 4b and the first fitting holes correspond one by one;
[0051] The post-treatment sealing package further includes first mounting bolts, and the first mounting bolts pass through the first mounting holes 4b and are threadedly connected to the first fitting holes.
[0052] The number of the first mounting holes 4b, the first fitting holes, and the first mounting bolts is not limited. For example, Figure 2 As shown, on both sides of the third protective cover 4 are each provided with three first mounting holes 4b, and the three first mounting holes 4b on either side are arranged at equal intervals along the axial direction. The first fitting holes on the second protective cover 12 correspond to the first mounting holes 4b in position. This structure is convenient for installation and can ensure the fixation of the position of the third protective cover 4, ensuring the protection performance of the post-treatment sealing package.
[0053] Furthermore, on the side of the third protective cover 4 facing away from the end protective cover 3 is provided with an extension part 41, and on both sides of the extension part 41 are provided with second mounting holes 41a.
[0054] On the cylindrical protective cover 1 are provided with second fitting holes, and the positions of the second mounting holes 41a and the second fitting holes correspond one by one;
[0055] The post-treatment sealing package further includes second mounting bolts, and the second mounting bolts pass through the second mounting holes 41a and are threadedly connected to the second fitting holes.
[0056] The size of the extension part 41 can be adaptively adjusted according to actual needs. In a specific embodiment, for example, Figure 2 As shown, since there are several wire harnesses on the cylindrical platform, an extension part 41 is provided on the third protective cover 4, and the width of the extension part 41 is smaller than that of the third protective cover 4, which is beneficial to protecting the wire harnesses and avoiding potential safety hazards caused by the wire harnesses being close to the air inlet of the cylindrical platform. Further, along the circumferential direction, the width of the extension part 41 is half of the width of the third protective cover 4.
[0057] Similarly, the number of the second mounting holes 41a, the second fitting holes, and the second mounting bolts is not limited and can be adjusted according to actual needs.
[0058] Furthermore, on the first protective cover 11 and / or the second protective cover 12 is provided with a convex part 123, and the convex part 123 protrudes towards the outside of the cylindrical protective cover 1.
[0059] The number and position of the convex part 123 can be adaptively adjusted according to actual needs. It should be noted that, for example,Figure 2 As shown in the figure, from top to bottom, the cylindrical platform sequentially includes a transition cylinder, a DPF, and a DOC. Clamps are provided between the transition cylinder and the DPF, and between the DPF and the DOC. Therefore, it can be understood that two convex parts 123 are provided on the second protective cover 12, and the two convex parts 123 are arranged at intervals along the axial direction. The upper convex part 123 can accommodate the clamp bolts between the transition cylinder and the DPF, and the lower convex part 123 can accommodate the clamp bolts between the DPF and the DOC. The structure is simple and the design is reasonable.
[0060] Furthermore, a second avoidance groove 11a is provided at one end of the first protective cover 11 facing away from the end protective cover 3;
[0061] And / or, a second avoidance groove 11a is provided at one end of the second protective cover 12 facing away from the end protective cover 3.
[0062] As Figure 2 shown, when the first protective cover 11 and the second protective cover 12 are combined, the second avoidance groove on the first protective cover 11 and the second avoidance groove on the second protective cover 12 are combined into a hole, which is beneficial to the protrusion of the differential pressure conduit on the cylindrical platform.
[0063] Furthermore, it further includes a heat insulation cotton 5, which is provided on one side of the cylindrical protective cover 1 facing away from the end protective cover 3. As Figure 2 shown, the heat insulation cotton is used to be arranged at the air inlet of the cylindrical platform. During installation, the cylindrical protective cover and the heat insulation cotton are sealed in an interference fit manner to improve the sealing performance of the post-treatment sealed package.
[0064] Even further, a lifting bracket 111 is provided at one end of the first protective cover 11 close to the end protective cover 3;
[0065] And / or, a lifting bracket 111 is provided at one end of the second protective cover 12 close to the end protective cover 3.
[0066] As Figure 2 shown, lifting brackets 111 are provided at the upper ends of both the first protective cover 11 and the second protective cover 12, and are fixed by screws. The lifting brackets 111 facilitate the installation of the entire cylindrical platform and the post-treatment sealed package.
[0067] Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solutions of the present invention and are not restrictive. Although the present invention has been described in detail with reference to the examples, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and they should all be covered within the scope of the claims of the present invention.
Claims
1. A post-processing sealed package, characterized in that: include: A cylindrical protective cover (1) comprising a first protective cover (11) and a second protective cover (12) which are combined with each other, wherein the first protective cover (11) and / or the second protective cover (12) are semi-cylindrical and extend in the axial direction, and a first sealing cotton (2) is provided on the inner side of the cylindrical protective cover (1); An end protective cover (3) is fixedly connected to one end of the cylindrical protective cover (1).
2. The post-processing sealed package according to claim 1, characterized in that: The first sealing cotton (2) is provided with a plurality of avoidance holes (2a); And / or, a first avoidance groove (2b) is provided on a side edge of the first sealing cotton (2).
3. The post-processing sealed package according to claim 1, characterized in that: The first protective cover (11) and / or the second protective cover (12) is also provided with a sensor mounting seat (121). The sensor mounting seat (121) sinks toward the inner side of the cylindrical protective cover (1) and is provided with a through hole at the center.
4. The post-processing sealed package according to claim 1, characterized in that: It also includes a sensor sealing cotton (122) which is arranged on the outside of the sensor mounting seat (121).
5. The post-processing sealed package according to claim 1, characterized in that: It also comprises a third protective cover (4) extending in the axial direction and arranged on the outside of the cylindrical protective cover (1), and a plurality of first holes (4a) are provided on the third protective cover (4).
6. The post-processing sealed package according to claim 5, characterized in that: The third protective cover (4) is provided with first mounting holes (4b) on both sides. The cylindrical protective cover (1) is provided with a first assembly hole, and the first assembly hole (4b) corresponds to the position of the first assembly hole one by one; The post-processing sealing package also includes a first mounting bolt, which passes through the first mounting hole (4b) and is threadedly connected to the first assembly hole.
7. The post-processing sealed package according to claim 5, characterized in that: An extension portion (41) is provided on a side of the third protective cover (4) facing away from the end protective cover (3), and second mounting holes (41a) are provided on both sides of the extension portion (41). The cylindrical protective cover (1) is provided with a second assembly hole, and the second assembly hole (41a) corresponds to the position of the second assembly hole one by one; The post-processing sealing package also includes a second mounting bolt, which passes through the second mounting hole (41a) and is threadedly connected to the second assembly hole.
8. The post-processing sealed package according to claim 1, characterized in that: The first protective cover (11) and / or the second protective cover (12) is provided with a convex portion (123), and the convex portion (123) protrudes toward the outside of the cylindrical protective cover (1).
9. The post-processing sealed package according to claim 1, characterized in that: A second avoidance groove (11a) is provided at one end of the first protective cover (11) facing away from the end protective cover (3); And / or, a second avoidance groove (11a) is provided at one end of the second protective cover (12) facing away from the end protective cover (3).
10. The post-processing sealed package according to claim 1, characterized in that: It also includes heat insulation cotton (5) which is arranged on a side of the cylindrical protective cover (1) facing away from the end protective cover (3).