A new type of automobile exhaust pipe heat shield structure

Abstract

The utility model relates to the technical field of automobile accessories. The utility model discloses a novel automobile exhaust pipe heat insulation cover structure, including: an automobile exhaust pipe, a lower arc heat insulation board and an upper arc heat insulation board, wherein the lower arc heat insulation board and the upper arc heat insulation board are respectively arranged at the bottom and the top of the front end of the automobile exhaust pipe, and both sides of the lower arc heat insulation board are symmetrically fixedly installed with connecting blocks, and a through groove is provided in the middle of the connecting block in the vertical direction, and both sides of the upper arc heat insulation board are symmetrically fixedly installed with fixing blocks. The utility model is equipped with the arrangement of components such as the lower arc heat insulation board, the upper arc heat insulation board and the locking assembly, and when installing the heat insulation cover on the automobile exhaust pipe, the lower arc heat insulation board and the upper arc heat insulation board are arranged by the locking assembly, so that the heat insulation cover can be quickly installed on the surface of the automobile exhaust pipe, thereby improving the installation efficiency of the automobile exhaust pipe heat insulation cover.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile accessories, in particular to a novel automobile exhaust pipe heat insulation cover structure. Background Art

[0002] Automobile exhaust bellows, also known as automobile exhaust pipe hose, is installed in the exhaust pipe between the engine exhaust branch pipe and the muffler, making the entire exhaust system flexibly connected, thereby reducing vibration and noise, facilitating installation and extending the life of the exhaust muffler system. It is mainly used in light vehicles, micro vehicles and buses. Its structure is a double-layer bellows covered with a steel wire mesh sleeve, and the straight edge sections at both ends are covered with a clamping ring. In order to achieve a better muffler effect, the bellows can be equipped with an expansion joint or a mesh sleeve. Material: The main material is stainless steel SUS304, and the ferrule and pipe can be made of stainless steel or aluminum-plated steel.

[0003] Traditional automobile exhaust pipe heat shields are mostly fixed by bolts and other methods. After long-term use, they are prone to wear and tear, so they are inconvenient to replace. Workers need to carry tools and spend a lot of time and energy to operate, which is extremely inefficient and difficult to meet usage needs. Moreover, most of the heat shields after installation are too tightly attached to the surface of the automobile exhaust pipe, affecting the heat dissipation function of the automobile exhaust pipe itself. Therefore, the utility model designs a new automobile exhaust pipe heat shield structure to solve the problems existing in the prior art. Utility Model Content

[0004] The utility model aims to provide a novel automobile exhaust pipe heat insulation cover structure to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a novel automobile exhaust pipe heat insulation cover structure, comprising: an automobile exhaust pipe, a lower arc-shaped heat insulation board and an upper arc-shaped heat insulation board, the lower arc-shaped heat insulation board and the upper arc-shaped heat insulation board are respectively arranged at the bottom and top positions of the front end of the automobile exhaust pipe, both sides of the lower arc-shaped heat insulation board are symmetrically fixedly installed with connecting blocks, and a through groove is provided in the middle of the connecting block in the vertical direction, both sides of the upper arc-shaped heat insulation board are symmetrically fixedly installed with fixing blocks, and a bevel latch is fixedly installed at the bottom of the fixing block, the bevel latch is located directly above the adjacent through groove, a limiting hole is provided on the surface of one side of the lower end of the bevel latch, a locking assembly is provided on one side of the interior of the connecting block, and one end of the locking assembly cooperates with the adjacent limiting hole, and a clamping assembly is provided between the other side of the interior of the connecting block and the inner wall of the lower arc-shaped heat insulation board.

[0006] Preferably, the locking assembly includes: a movable groove, which is horizontally opened on one side of the interior of the connecting block, one end of the movable groove is connected to the interior of the through groove, a T-shaped movable pin is movably provided through the interior of the movable groove in the horizontal direction, and one end of the T-shaped movable pin extends to the outside of one side of the connecting block, a fixing ring is fixedly installed on the surface of the other end of the T-shaped movable pin, a first return spring is sleeved on the middle part of the T-shaped movable pin, and one end of the first return spring is fixedly connected to the inner wall of the movable groove, and the other end of the first return spring is fixedly connected to the surface of one side of the fixing ring.

[0007] Preferably, the other end of the T-shaped movable pin is arranged as an inclined surface.

[0008] Preferably, the clamping assembly includes: a movable rod, which is movably arranged in a horizontal direction and penetrates the other side of the connecting block, one end of the movable rod extends to the inner wall of the lower arc-shaped heat insulation board, a clamping plate is fixedly connected to the end of one end of the movable rod, and the outer wall of the clamping plate overlaps the inner wall of the lower arc-shaped heat insulation board, a positioning ring is fixedly installed on the surface of the other end of the movable rod, a second return spring is sleeved on the middle part of the movable rod, and one end of the second return spring is fixedly connected to the surface of the outer side of the lower arc-shaped heat insulation board, and the other end of the second return spring is fixedly connected to one side of the positioning ring.

[0009] Preferably, the other end of the movable rod is arranged as an inclined surface, and the inclined surface at the other end of the movable rod matches the inclined surface at the bottom of the inclined surface latch.

[0010] Preferably, the clamping plate is an arc-shaped structure, and the arc-shaped surface of the inner wall of the clamping plate matches the surface of the automobile exhaust pipe.

[0011] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0012] 1. The utility model provides components such as a lower arc-shaped heat insulation board, an upper arc-shaped heat insulation board and a locking assembly. When installing the heat insulation cover on the automobile exhaust pipe, the lower arc-shaped heat insulation board and the upper arc-shaped heat insulation board are provided with a locking assembly, so that the heat insulation cover can be quickly installed on the surface of the automobile exhaust pipe, thereby improving the installation efficiency of the automobile exhaust pipe heat insulation cover;

[0013] 2. The utility model arranges components such as a lower arc-shaped heat insulation board, an upper arc-shaped heat insulation board and a clamping assembly. When the lower arc-shaped heat insulation board and the upper arc-shaped heat insulation board are assembled, the clamping assembly is arranged so that the assembled lower arc-shaped heat insulation board and the upper arc-shaped heat insulation board can be stably installed on the surface of the automobile exhaust pipe, further improving the stability of the installation of the heat insulation cover. Moreover, through this clamping and fixing method, the contact area between the heat insulation cover and the automobile exhaust pipe is reduced, and the heat dissipation efficiency of the automobile exhaust pipe surface can be improved while insulating the automobile exhaust pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the front cross-sectional view of the utility model;

[0015] Figure 2 For the utility model Figure 1 The enlarged schematic diagram at A in the middle;

[0016] Figure 3 It is a main schematic diagram of the utility model.

[0017] In the figure: 1. automobile exhaust pipe; 2. lower arc-shaped heat insulation board; 3. upper arc-shaped heat insulation board; 4. connecting block; 401. through groove; 5. fixing block; 6. inclined surface latch; 601. limiting hole; 7. locking assembly; 701. movable groove; 702. T-shaped movable pin; 703. fixing ring; 704. first return spring; 8. clamping assembly; 801. movable rod; 802. clamping plate; 803. positioning ring; 804. second return spring. DETAILED DESCRIPTION

[0018] The following will be combined with 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 in 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.

[0019] See also Figure 1-3The utility model provides an embodiment: a novel automobile exhaust pipe heat insulation cover structure, comprising: an automobile exhaust pipe 1, a lower arc-shaped heat insulation board 2 and an upper arc-shaped heat insulation board 3, the lower arc-shaped heat insulation board 2 and the upper arc-shaped heat insulation board 3 are respectively arranged at the bottom and top positions of the front end of the automobile exhaust pipe 1, both sides of the lower arc-shaped heat insulation board 2 are symmetrically fixedly installed with connecting blocks 4, and a through groove 401 is opened in the middle of the connecting block 4 in the vertical direction, both sides of the upper arc-shaped heat insulation board 3 are symmetrically fixedly installed with fixing blocks 5, and the bottom of the fixing block 5 is fixedly installed with an inclined pin 6 The bottom of the inclined surface plug 6 is inclined, and the inclined surface plug 6 is located directly above the adjacent through groove 401. A limiting hole 601 is provided on the surface of one side of the lower end of the inclined surface plug 6. A locking assembly 7 is provided on one side of the interior of the connecting block 4. The setting of the locking assembly 7 facilitates the rapid installation of the lower arc-shaped heat insulation board 2 and the upper arc-shaped heat insulation board 3, thereby improving the installation efficiency of the heat insulation cover of the automobile exhaust pipe. One end of the locking assembly 7 matches the adjacent limiting hole 601, and a clamping assembly 8 is provided between the other side of the interior of the connecting block 4 and the inner wall of the lower arc-shaped heat insulation board 2. Through the setting of the clamping assembly 8, the assembled lower arc-shaped heat insulation board 2 and the upper arc-shaped heat insulation board 3 can be stably installed on the surface of the automobile exhaust pipe 1, further improving the stability of the heat insulation cover installation. Moreover, through this clamping and fixing method, the contact area between the heat insulation cover and the automobile exhaust pipe is reduced, and the heat dissipation efficiency of the automobile exhaust pipe surface can be improved while the automobile exhaust pipe is insulated.

[0020] See also Figure 1-2In the embodiment of the utility model: the locking assembly 7 includes: a movable groove 701, the movable groove 701 is horizontally opened on one side of the interior of the connecting block 4, one end of the movable groove 701 is connected to the interior of the through groove 401, a T-shaped movable pin 702 is movably provided in the interior of the movable groove 701 in the horizontal direction, and one end of the T-shaped movable pin 702 extends to the outside of one side of the connecting block 4, the surface of the other end of the T-shaped movable pin 702 is laid on the surface of one side of the connecting block 4, and a fixing ring 703 is fixedly installed on the surface of the other end of the T-shaped movable pin 702, and a first return spring 704 is sleeved on the middle part of the T-shaped movable pin 702, and one end of the first return spring 704 is fixedly connected to the inner wall of the movable groove 701, and the other end of the first return spring 704 is fixedly connected to the surface of one side of the fixing ring 703. When the lower arc-shaped heat insulation board 2 and the upper arc-shaped heat insulation board 3 are assembled, the bottom of the inclined surface pins 6 on both sides of the upper arc-shaped heat insulation board 3 enter the interior of the connecting block 4 through the through groove 401 and are squeezed on the inclined surface of the other end of the T-shaped movable pin 702. The T-shaped movable pin 702 moves in the direction away from the inclined surface pin 6, and the first return spring 704 is squeezed and contracted under the force. After the lower arc-shaped heat insulation board 2 and the upper arc-shaped heat insulation board 3 are spliced ​​and assembled, one side of the inclined surface pin 6 releases the other end of the T-shaped movable pin 702. The first return spring 704 is elastically returned to its original position after being stressed, pushing the fixing ring 703 on the T-shaped movable pin 702 toward the inclined surface pin 6, so that the other end of the T-shaped movable pin 702 is inserted into the limiting hole 601 on the lower end side of the inclined surface pin 6, thereby completing the locking between the lower arc-shaped heat insulation board 2 and the upper arc-shaped heat insulation board 3. In this way, the lower arc-shaped heat insulation board 2 and the upper arc-shaped heat insulation board 3 are quickly installed, thereby improving the installation efficiency of the lower arc-shaped heat insulation board 2 and the upper arc-shaped heat insulation board 3.

[0021] See also Figure 1-2 In the embodiment of the utility model, the other end of the T-shaped movable pin 702 is set as an inclined surface. By setting the inclined surface at the other end of the T-shaped movable pin 702, when the lower arc-shaped heat insulation board 2 and the upper arc-shaped heat insulation board 3 are assembled, the bottom of the inclined surface plug pins 6 on both sides of the upper arc-shaped heat insulation board 3 enter the interior of the connecting block 4 through the through groove 401 and are squeezed on the inclined surface of the other end of the T-shaped movable pin 702, so that the T-shaped movable pin 702 can move away from the inclined surface plug pin 6.

[0022] See also Figure 1-2In an embodiment of the utility model: the clamping assembly 8 includes: a movable rod 801, the movable rod 801 is movably arranged in the horizontal direction and penetrates the other side of the connecting block 4, one end of the movable rod 801 extends to the inner wall of the lower arc-shaped heat insulation board 2, a clamping plate 802 is fixedly connected to the end of one end of the movable rod 801, and the outer wall of the clamping plate 802 overlaps the inner wall of the lower arc-shaped heat insulation board 2, a positioning ring 803 is fixedly installed on the surface of the other end of the movable rod 801, a second return spring 804 is sleeved on the middle part of the movable rod 801, and one end of the second return spring 804 is fixedly connected to the surface of the outer side of the lower arc-shaped heat insulation board 2, and the other end of the second return spring 804 is fixedly connected to one side of the positioning ring 803. When the lower arc-shaped heat insulation board 2 and the upper arc-shaped heat insulation board 3 are assembled by the locking assembly 7, when the bevel pin 6 moves down to the inside of the through groove 401, the bevel pin 6 is squeezed on the inclined surface of the other end of the movable rod 801 through the bottom bevel. At this time, the movable rod 801 drives the clamping plate 802 at one end to move closer to the surface of the automobile exhaust pipe 1, thereby clamping the automobile exhaust pipe 1, so that the assembled lower arc-shaped heat insulation board 2 and the upper arc-shaped heat insulation board 3 can be stably installed on the surface of the automobile exhaust pipe 1, further improving the stability of the installation of the heat insulation cover, and through this clamping and fixing method, the contact area between the heat insulation cover and the automobile exhaust pipe is reduced, and the heat dissipation efficiency of the automobile exhaust pipe surface can be improved while insulating the automobile exhaust pipe.

[0023] See also Figure 1-2 In the embodiment of the utility model, the other end of the movable rod 801 is provided with an inclined surface, and the inclined surface at the other end of the movable rod 801 matches the inclined surface at the bottom of the inclined surface latch 6. When the inclined surface latch 6 moves down to the inside of the through groove 401, the inclined surface of the inclined surface latch 6 is pressed on the inclined surface at the other end of the movable rod 801 through the inclined surface at the bottom, so that the movable rod 801 can push the clamping plate 802 to approach the surface of the automobile exhaust pipe 1.

[0024] See also Figure 1-3 In the embodiment of the utility model, the clamping plate 802 is an arc-shaped structure, and the arc-shaped surface of the inner wall of the clamping plate 802 matches the surface of the automobile exhaust pipe 1. When the two symmetrical clamping plates 802 are close to the surface of the automobile exhaust pipe 1, the arc-shaped surface of the inner wall of the clamping plate 802 matches the surface of the automobile exhaust pipe 1, thereby increasing the contact area between the inner wall of the clamping plate 802 and the surface of the automobile exhaust pipe 1, and improving the stability of the installation of the lower arc-shaped heat insulation board 2 and the upper arc-shaped heat insulation board 3.

[0025] Working principle: When installing the heat shield on the automobile exhaust pipe, during the assembly of the lower arc heat insulation board 2 and the upper arc heat insulation board 3, the bottom of the inclined surface pins 6 on both sides of the upper arc heat insulation board 3 enter the interior of the connecting block 4 through the through groove 401 and are squeezed on the inclined surface of the other end of the T-shaped movable pin 702. The T-shaped movable pin 702 moves away from the inclined surface pin 6, and the first return spring 704 is squeezed and contracted under the force. After the lower arc heat insulation board 2 and the upper arc heat insulation board 3 are spliced ​​and assembled, one side of the inclined surface pin 6 releases the squeeze on the other end of the T-shaped movable pin 702. At this time, the first return spring 704 is elastically reset after being stressed, pushing the T-shaped movable pin 702. The fixing ring 703 on the upper part approaches the inclined plane latch 6, so that the other end of the T-shaped movable pin 702 is inserted into the limiting hole 601 on one side of the lower end of the inclined plane latch 6, completing the locking between the lower arc-shaped heat insulation board 2 and the upper arc-shaped heat insulation board 3, and when the inclined plane latch 6 moves down to the inside of the through groove 401, the inclined plane latch 6 is pressed on the inclined surface of the other end of the movable rod 801 through the bottom inclined surface, and the movable rod 801 drives the clamping plate 802 at one end to move closer to the surface of the automobile exhaust pipe 1, thereby clamping the automobile exhaust pipe 1, so that the assembled lower arc-shaped heat insulation board 2 and the upper arc-shaped heat insulation board 3 can be stably installed on the surface of the automobile exhaust pipe 1. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0026] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A novel automobile exhaust pipe heat shield structure, comprising: An automobile exhaust pipe (1), a lower arc-shaped heat insulation board (2) and an upper arc-shaped heat insulation board (3), characterized in that: the lower arc-shaped heat insulation board (2) and the upper arc-shaped heat insulation board (3) are respectively arranged at the bottom and top positions of the front end of the automobile exhaust pipe (1), both sides of the lower arc-shaped heat insulation board (2) are symmetrically fixedly installed with connecting blocks (4), and a through groove (401) is opened in the middle of the connecting block (4) in the vertical direction, and both sides of the upper arc-shaped heat insulation board (3) are symmetrically fixedly installed with fixing blocks (5), and the fixing blocks (5) are fixedly installed in the middle of the upper arc-shaped heat insulation board (3). A bevel latch (6) is fixedly installed at the bottom of the block (5), and the bevel latch (6) is located directly above the adjacent through groove (401). A limit hole (601) is provided on the surface of one side of the lower end of the bevel latch (6). A locking component (7) is provided on one side of the interior of the connecting block (4), and one end of the locking component (7) is matched with the adjacent limit hole (601). A clamping component (8) is provided between the other side of the interior of the connecting block (4) and the inner wall of the lower arc-shaped heat insulation board (2).

2. A novel automobile exhaust pipe heat shield structure according to claim 1, characterized in that: The locking assembly (7) comprises: a movable groove (701), wherein the movable groove (701) is horizontally opened on one side of the interior of the connecting block (4), one end of the movable groove (701) is connected to the interior of the through groove (401), a T-shaped movable pin (702) is movably provided in the interior of the movable groove (701) in the horizontal direction, and one end of the T-shaped movable pin (702) extends to the outside of one side of the connecting block (4), a fixing ring (703) is fixedly installed on the surface of the other end of the T-shaped movable pin (702), a first return spring (704) is sleeved on the middle part of the T-shaped movable pin (702), and one end of the first return spring (704) is fixedly connected to the inner wall of the movable groove (701), and the other end of the first return spring (704) is fixedly connected to the surface of one side of the fixing ring (703).

3. A novel automobile exhaust pipe heat shield structure according to claim 2, characterized in that: The other end of the T-shaped movable pin (702) is configured as an inclined surface.

4. A novel automobile exhaust pipe heat shield structure according to claim 1, characterized in that: The clamping assembly (8) comprises: a movable rod (801), the movable rod (801) is movably arranged in the horizontal direction and penetrates the other side of the connecting block (4), one end of the movable rod (801) extends to the inner wall of the lower arc-shaped heat insulation board (2), a clamping plate (802) is fixedly connected to the end of one end of the movable rod (801), and the outer wall of the clamping plate (802) overlaps the inner wall of the lower arc-shaped heat insulation board (2), a positioning ring (803) is fixedly installed on the surface of the other end of the movable rod (801), a second return spring (804) is sleeved in the middle part of the movable rod (801), and one end of the second return spring (804) is fixedly connected to the outer surface of the lower arc-shaped heat insulation board (2), and the other end of the second return spring (804) is fixedly connected to one side of the positioning ring (803).

5. A novel automobile exhaust pipe heat shield structure according to claim 4, characterized in that: The other end of the movable rod (801) is arranged as an inclined surface, and the inclined surface at the other end of the movable rod (801) matches the inclined surface at the bottom of the inclined surface latch (6).

6. A novel automobile exhaust pipe heat shield structure according to claim 4, characterized in that: The clamping plate (802) is an arc-shaped structure, and the arc-shaped surface of the inner wall of the clamping plate (802) matches the surface of the automobile exhaust pipe (1).

Images