Heat insulation structure of automobile exhaust pipe

Abstract

The utility model discloses an automobile exhaust pipe heat insulation structure, and belongs to the field of exhaust pipe heat insulation. Comprising an exhaust pipe body; the two connecting discs are fixedly connected to the two ends of the exhaust pipe; the plurality of threaded holes are uniformly formed in the connecting disc; the number of the heat insulation plates is two, and the two heat insulation plates are located outside the exhaust pipe body; the connecting assembly is arranged between the two heat insulation plates and used for fixing the two heat insulation plates; the plurality of heat dissipation holes are uniformly formed in the heat insulation plate; the number of the heat preservation cotton is two, the heat preservation cotton is located outside the heat insulation plate, and the two pieces of heat preservation cotton are detachably installed on the heat insulation plate. The automobile exhaust pipe heat insulation structure has the beneficial effect that the automobile exhaust pipe heat insulation structure is provided.

Description

Technical Field

[0001] The present application relates to the field of exhaust pipe insulation, and in particular to a thermal insulation structure for an automobile exhaust pipe. Background Art

[0002] The exhaust pipe is a part of the engine exhaust system. The exhaust system mainly includes the exhaust manifold, exhaust pipe and muffler. Generally, the three-stage catalytic converter for controlling the engine pollutant emission is also installed in the exhaust system. The exhaust pipe generally includes the front exhaust pipe and the rear exhaust pipe. The thermal insulation structure used in the existing heat dissipation exhaust pipe mostly adopts thermal insulation board for heat preservation.

[0003] The structure of the product can refer to a heat dissipation exhaust pipe partition structure disclosed in Chinese patent document 202321883158.9, including an exhaust pipe body, the outer surface of the exhaust pipe body is provided with two arc-shaped plates, and one side of the arc-shaped plate is provided with a clamping mechanism, and the clamping mechanism is used to facilitate the installation and disassembly of the arc-shaped plate. The utility model relates to the technical field of heat dissipation exhaust pipes. The heat dissipation exhaust pipe insulation structure is provided with a clamping mechanism on one side of the arc-shaped plate, and the two arc-shaped plates are connected by clamping the protruding block with a groove, and then the control block is rotated to drive a transmission screw to cooperate with the transmission plate to drive the concave block to move, so that the concave block cooperates with the connecting rod to drive the card plate to slide on the outer surface of the limit rod, so that one end of the card plate slides out to the outer surface of the limit sleeve and contacts with the inner surface of the arc-shaped plate, so that the two arc-shaped plates are clamped and connected, so as to facilitate its installation and disassembly, and improve its flexibility.

[0004] However, the heat shield in the patent is welded to the exhaust pipe body, which makes installation and removal more troublesome, thereby reducing practicality.

[0005] A heat insulation structure for an automobile exhaust pipe is now provided. Utility Model Content

[0006] The content of this application is used to introduce concepts in a brief form, which will be described in detail in the detailed implementation section below. The content of this application is not intended to identify the key features or essential features of the technical solution claimed for protection, nor is it intended to limit the scope of the technical solution claimed for protection.

[0007] In order to solve the technical problems mentioned in the above background technology part, some embodiments of the present application provide a car exhaust pipe insulation structure, including: an exhaust pipe body; a connecting plate, which is set to two and fixedly connected to both ends of the exhaust pipe; a threaded hole, which is set to multiple and evenly opened on the connecting plate; a heat insulation board, which is set to two, and the two heat insulation boards are located outside the exhaust pipe body; a connecting component, which is set between the two heat insulation boards and is used to fix the two heat insulation boards; a heat dissipation hole, which is set to multiple and evenly opened on the heat insulation board; a heat insulation cotton, which is set to two and located outside the heat insulation board, and the two heat insulation cottons are detachably installed on the heat insulation board.

[0008] Furthermore, the connection assembly includes a first fixing bolt, and the two heat insulation plates are respectively fixed with connecting seats, and the first fixing bolt is threadedly connected between the two connecting seats.

[0009] Furthermore, two connecting assemblies are provided and are symmetrically arranged between two heat insulation boards.

[0010] Furthermore, a guide groove is formed on one of the heat insulation boards, and a guide block corresponding to the guide groove is fixedly connected to the other heat insulation board.

[0011] Furthermore, two guide grooves and two guide blocks are provided.

[0012] Furthermore, a second fixing bolt is threadedly connected to the thermal insulation cotton, and the second fixing bolt is threadedly connected to the thermal insulation board.

[0013] Furthermore, a plurality of the second fixing bolts are provided and are evenly arranged on the thermal insulation cotton.

[0014] Furthermore, a further fixing component is arranged between the two thermal insulation cottons, and the further fixing component includes a fixing bar, the fixing bar corresponds to the two thermal insulation cottons, and a third fixing bolt is threadedly connected to the fixing bar, and the third fixing bolt is threadedly connected to the connecting seat.

[0015] Furthermore, the fixing bar is arc-shaped.

[0016] Furthermore, two third fixing bolts are provided, and the two third fixing bolts are respectively threadedly connected to the two connecting seats.

[0017] The beneficial effects of this application are:

[0018] First, a heat insulation board is provided to dissipate heat initially, and heat is further dissipated through heat dissipation holes.

[0019] Second, by providing fixing bolts, connecting seats, guide blocks and guide grooves, it is convenient to install the heat insulation board and improves practicality.

[0020] Third, by setting up the thermal insulation cotton, heat is dissipated again, and under the action of the second fixing bolt, the installation is convenient, and under the action of the fixing strip and the third fixing bolt, the stability of the thermal insulation cotton installation is further improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The drawings constituting a part of this application are used to provide a further understanding of this application, so that other features, purposes and advantages of this application become more obvious. The illustrative embodiment drawings and their descriptions of this application are used to explain this application and do not constitute an improper limitation on this application.

[0022] In addition, throughout the drawings, the same or similar reference numerals represent the same or similar elements. It should be understood that the drawings are schematic and that the components and elements are not necessarily drawn to scale.

[0023] In the attached picture:

[0024] Figure 1 is an overall schematic diagram according to an embodiment of the present application;

[0025] Figure 2 It is a cross-sectional view;

[0026] Figure 3 is a cross-sectional view of the exhaust pipe body;

[0027] Figure 4 is a cross-sectional view of the heat insulation board;

[0028] Figure 5 is a cross-sectional view of the guide block and the guide groove;

[0029] Figure 6 yes Figure 3 The A part is enlarged;

[0030] Figure 7 yes Figure 4 Enlarged view of part B.

[0031] Reference numerals:

[0032] 1. Exhaust pipe body; 2. Connecting plate; 3. Threaded hole; 4. Second fixing bolt; 5. Insulation cotton; 6. Heat insulation board; 7. Heat dissipation hole; 8. Connecting seat; 9. Fixing strip; 10. First fixing bolt; 11. Third fixing bolt; 12. Guide groove; 13. Guide block. DETAILED DESCRIPTION

[0033] Embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. Although certain embodiments of the present disclosure are shown in the accompanying drawings, it should be understood that the present disclosure can be implemented in various forms and should not be construed as being limited to the embodiments set forth herein. On the contrary, these embodiments are provided to provide a more thorough and complete understanding of the present disclosure. It should be understood that the drawings and embodiments of the present disclosure are only for exemplary purposes and are not intended to limit the scope of protection of the present disclosure.

[0034] It should also be noted that, for ease of description, only the parts related to the invention are shown in the drawings. In the absence of conflict, the embodiments and features in the embodiments of the present disclosure can be combined with each other.

[0035] It should be noted that the concepts such as "first" and "second" mentioned in the present disclosure are only used to distinguish different devices, modules or units, and are not used to limit the order or interdependence of the functions performed by these devices, modules or units.

[0036] It should be noted that the modifications of "one" and "plurality" mentioned in the present disclosure are illustrative rather than restrictive, and those skilled in the art should understand that unless otherwise clearly indicated in the context, it should be understood as "one or more".

[0037] The present disclosure will be described in detail below with reference to the accompanying drawings and in conjunction with embodiments.

[0038] Reference Figure 1-7 A heat insulation structure for automobile exhaust pipe includes: an exhaust pipe body 1, a connecting plate 2, a threaded hole 3, a heat insulation board 6, a connecting assembly, a heat dissipation hole 7, and a heat insulation cotton 5. Two connecting plates 2 are provided and fixedly connected to both ends of the exhaust pipe. A plurality of threaded holes 3 are provided and are evenly opened on the connecting plate 2. Two heat insulation boards 6 are provided and the two heat insulation boards 6 are located outside the exhaust pipe body 1.

[0039] The connection assembly is arranged between the two insulation boards 6 and is used to fix the two insulation boards 6. The connection assembly includes a first fixing bolt 10, and the two insulation boards 6 are respectively fixed with a connection seat 8, and the first fixing bolt 10 is threadedly connected between the two connection seats 8. Two connection assemblies are provided, and are symmetrically arranged between the two insulation boards 6. A guide groove 12 is provided on one of the insulation boards 6, and a guide block 13 corresponding to the guide groove 12 is fixed on the other insulation board 6. Two guide grooves 12 and two guide blocks 13 are provided.

[0040] There are multiple heat dissipation holes 7, which are evenly arranged on the heat insulation board 6. There are two heat insulation cottons 5, which are located outside the heat insulation board 6, and the two heat insulation cottons 5 are detachably installed on the heat insulation board 6. The heat insulation cotton 5 is threadedly connected with a second fixing bolt 4, and the second fixing bolt 4 is threadedly connected to the heat insulation board 6. There are multiple second fixing bolts 4, which are evenly arranged on the heat insulation cotton 5.

[0041] A further fixing assembly is provided between the two thermal insulation cottons 5, and the further fixing assembly includes a fixing bar 9, the fixing bar 9 corresponds to the two thermal insulation cottons 5, and a third fixing bolt 11 is threadedly connected to the fixing bar 9, and the third fixing bolt 11 is threadedly connected to the connecting seat 8. The fixing bar 9 is arc-shaped. Two third fixing bolts 11 are provided, and the two third fixing bolts 11 are respectively threadedly connected to the two connecting seats 8.

[0042] Working process: Under the action of the heat insulation board 6, the heat insulation effect is achieved, the temperature in the exhaust pipe body 1 is subjected to heat absorption treatment, and the temperature of the exhaust pipe body 1 is initially reduced. Under the action of the heat dissipation hole 7, the heat dissipation treatment is further performed. Under the action of the thermal insulation cotton 5, the heat dissipation treatment is further performed to prevent the temperature of the exhaust pipe body 1 from being too high, which affects the service life of other parts. When the heat insulation board 6 needs to be installed, the guide groove 12 is matched with the guide block 13, and then the two connecting seats 8 are threaded together through the first fixing bolt 10, so that the two heat insulation boards 6 are installed, which is convenient for installation. When the thermal insulation cotton 5 is installed, the thermal insulation cotton 5 is threadedly connected with the heat insulation board 6, so as to initially fix the thermal insulation cotton 5, and the fixing bar 9 can be matched with the thermal insulation cotton 5, and then the third fixing bolt 11 is rotated to install the thermal insulation cotton 5. Under the action of the fixing bar 9, the stability of the thermal insulation cotton 5 is further improved.

[0043] The above descriptions are only some preferred embodiments of the present disclosure and an explanation of the technical principles used. Those skilled in the art should understand that the scope of the invention involved in the embodiments of the present disclosure is not limited to the technical solutions formed by a specific combination of the above-mentioned technical features, but should also cover other technical solutions formed by any combination of the above-mentioned technical features or their equivalent features without departing from the above-mentioned inventive concept. For example, the above-mentioned features are replaced with the technical features with similar functions disclosed in the embodiments of the present disclosure (but not limited to) and the technical solutions formed.

Claims

1. A heat insulation structure for an automobile exhaust pipe, comprising: Exhaust pipe body; Two connecting plates are provided and fixedly connected to both ends of the exhaust pipe; The threaded holes are arranged in a plurality and are evenly arranged on the connecting plate; Features: The automobile exhaust pipe heat insulation structure also includes: Two heat insulation boards are provided, and the two heat insulation boards are located outside the exhaust pipe body; A connecting assembly is arranged between two heat insulation boards and is used to fix the two heat insulation boards; There are multiple heat dissipation holes, which are evenly arranged on the heat insulation board; The thermal insulation cotton is provided in two pieces and is located outside the thermal insulation board, and the two thermal insulation cottons are detachably installed on the thermal insulation board.

2. The automobile exhaust pipe insulation structure according to claim 1, characterized in that: The connecting assembly includes a first fixing bolt, and connecting seats are respectively fixedly connected to the two heat insulation plates, and the first fixing bolt is threadedly connected between the two connecting seats.

3. The automobile exhaust pipe insulation structure according to claim 2, characterized in that: The connecting components are provided in two numbers and are symmetrically arranged between two heat insulation boards.

4. The automobile exhaust pipe insulation structure according to claim 2, characterized in that: A guide groove is provided on one of the heat insulation boards, and a guide block corresponding to the guide groove is fixedly connected to the other heat insulation board.

5. The automobile exhaust pipe heat insulation structure according to claim 4, characterized in that: There are two guide grooves and two guide blocks.

6. The automobile exhaust pipe insulation structure according to claim 1, characterized in that: A second fixing bolt is threadedly connected to the thermal insulation cotton, and the second fixing bolt is threadedly connected to the thermal insulation board.

7. The automobile exhaust pipe insulation structure according to claim 6, characterized in that: There are multiple second fixing bolts, which are evenly arranged on the thermal insulation cotton.

8. The automobile exhaust pipe insulation structure according to claim 1, characterized in that: A further fixing component is arranged between the two thermal insulation cottons, and the further fixing component includes a fixing bar, the fixing bar corresponds to the two thermal insulation cottons, and a third fixing bolt is threadedly connected to the fixing bar, and the third fixing bolt is threadedly connected to the connecting seat.

9. The automobile exhaust pipe insulation structure according to claim 8, characterized in that: The fixing strip is arc-shaped.

10. The automobile exhaust pipe heat insulation structure according to claim 8, characterized in that: Two third fixing bolts are provided, and the two third fixing bolts are respectively threadedly connected to the two connecting seats.

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