Exhaust manifold with novel structure

Abstract

The utility model discloses an exhaust manifold with a novel structure, and relates to the technical field of exhaust manifolds. The exhaust manifold comprises an exhaust manifold body, a shell mechanism is arranged on the exhaust manifold body and comprises an upper connecting piece, a lower connecting piece, a left connecting piece and a right connecting piece, an upper shielding pipe is arranged between the upper connecting piece and the left connecting piece, and a lower shielding pipe is arranged between the lower connecting piece and the right connecting piece. By arranging the exhaust manifold, the shell mechanism and the components in the shell mechanism, the exhaust manifold can be directly wrapped in the shell mechanism through the exhaust manifold and the shell mechanism, so that obvious black traces can be formed on the inner wall of the shell mechanism through sprayed gas when a crack is generated; therefore, a user or a maintainer is helped to quickly and accurately position the crack, the amount of powder sprayed outwards can be reduced, and pollution to the periphery is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to exhaust manifold technical field, concretely is a novel structure exhaust manifold. BACKGROUND

[0002] The exhaust gas produced after engine combustion needs to be discharged from the cylinder in time, and the exhaust manifold is first encountered in the exhaust gas emission process. For large-bore engines, the exhaust manifold often adopts a segmented structure, and expansion joints or sliding sleeves are used between the pipelines to enhance its adjustability.

[0003] The existing exhaust manifold will have small gaps on the surface after long-term use. These gaps can cause internal gas to be ejected outward, affecting the internal pressure of the exhaust manifold and leaving black marks on the surface of surrounding equipment, polluting the equipment surface. SUMMARY

[0004] Therefore, the utility model discloses a novel structure exhaust manifold to solve the technical problem of internal gas being ejected outward, leaving black marks on the surface of surrounding equipment, and polluting the equipment surface.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a novel structure exhaust manifold, comprising an exhaust manifold, an outer shell mechanism is arranged on the exhaust manifold, the outer shell mechanism comprises an upper connecting piece, a lower connecting piece, a left connecting piece and a right connecting piece, an upper shielding pipe is arranged between the upper connecting piece and the left connecting piece, and a lower shielding pipe is arranged between the lower connecting piece and the right connecting piece.

[0006] By adopting the above technical scheme, the upper connecting piece, the lower connecting piece, the left connecting piece and the right connecting piece provide a stable assembly frame for the shielding pipe by being arranged on the outer shell mechanism, thereby increasing the overall strength of the outer shell mechanism.

[0007] Further, a large number of gas passing holes are formed in the upper shielding pipe and the lower shielding pipe.

[0008] By adopting the above technical scheme, the arrangement of the upper gas passing hole and the lower gas passing hole allows the internal gas of the exhaust manifold to be smoothly discharged, ensuring the normal operation of the engine.

[0009] Further, the upper connecting piece is fixedly connected with an upper clamping piece on one side, and the lower connecting piece is fixedly connected with a lower clamping buckle on one side.

[0010] By adopting the above technical scheme, the arrangement of the upper clamping piece and the lower clamping buckle facilitates the quick connection and fixation of the upper connecting piece and the lower connecting piece, thereby simplifying the installation process.

[0011] Further, one side of the left connecting sheet is fixedly connected with a left buckle, and one side of the right connecting sheet is fixedly connected with a right buckle.

[0012] By adopting the above technical scheme, the left buckle and the right buckle are arranged, so that the left connecting sheet and the right connecting sheet can be conveniently connected together to form a complete wrapping body.

[0013] Further, the upper connecting sheet, the lower connecting sheet, the left connecting sheet and the right connecting sheet are all provided with through holes, and there is a gap between the shell composed of the upper shielding pipe and the lower shielding pipe and the exhaust manifold.

[0014] By adopting the above technical scheme, the through holes are arranged to facilitate the installation of bolts or other fasteners, so as to firmly fix the shell mechanism and the exhaust manifold at the installation position.

[0015] Further, the upper shielding pipe and the lower shielding pipe are provided with a limiting mechanism, and the limiting mechanism.

[0016] By adopting the above technical scheme, the limiting mechanism can further fix the positions of the upper shielding pipe and the lower shielding pipe, and prevent them from moving or deforming during use.

[0017] Further, the limiting mechanism comprises a fixed block, and the fixed block is clamped with a limiting rod through an annular groove.

[0018] By adopting the above technical scheme, the fixed block and the annular groove cooperate to provide a stable installation position for the limiting rod, so as to ensure that the limiting mechanism can be firmly fixed on the shielding pipe.

[0019] Further, the limiting rod is fixedly connected with a plurality of flexible rods arranged obliquely, and one end of the limiting rod is provided in an arc-shaped structure.

[0020] By adopting the above technical scheme, the flexible rods can increase the contact area between the limiting rod and the exhaust manifold, and improve the limiting effect.

[0021] In summary, the utility model mainly has the following beneficial effects:

[0022] 1. By arranging the exhaust manifold, the shell mechanism and the components inside the shell mechanism, the exhaust manifold can be directly wrapped inside the shell mechanism through the exhaust manifold and the shell mechanism, so that when a crack occurs, the gas sprayed can form obvious black marks on the inner wall of the shell mechanism, thereby helping users or maintenance personnel to quickly and accurately locate the crack, and reducing the amount of powder sprayed outward and the pollution to the surrounding environment.

[0023] 2, the utility model discloses a simple press the limiting rod, and the flexible rod will be deformed and smoothly clicks into the annular groove, thereby realizes the firm support between the shell mechanism and the exhaust manifold, simplifies the installation process, still ensures that the shell mechanism can stably support on the exhaust manifold after installation, effectively prevents its movement or deformation in the use process. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0025] Figure 2 It is the explosion three-dimensional structure schematic diagram of the utility model;

[0026] Figure 3 It is the three-dimensional structure schematic diagram of the utility plate of the utility model;

[0027] Figure 4 It is the three-dimensional structure schematic diagram of the limiting mechanism of the utility model;

[0028] Figure 5 It is the half cut structure schematic diagram of the limiting mechanism of the utility model.

[0029] In the drawing: 1, exhaust manifold;2, shell mechanism;201, upper connecting piece;202, lower connecting piece;203, left connecting piece;204, right connecting piece;205, upper shielding pipe;206, lower shielding pipe;3, gas hole;207, upper card;208, lower buckle;209, left card;210, right buckle;211, through hole;4, limiting mechanism;401, fixed block;402, annular groove;403, limiting rod;404, flexible rod. DETAILED DESCRIPTION

[0030] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings of the embodiments of the utility model. The embodiments described by referring to the drawings are exemplary, and are only used for explaining the utility model, and can not be understood as the limitation of the utility model.

[0031] Example one:

[0032] A novel structure exhaust manifold, such as Figures 1-5As shown, including exhaust manifold 1, exhaust manifold 1 is provided with shell mechanism 2, shell mechanism 2 includes upper connecting piece 201, lower connecting piece 202, left connecting piece 203, right connecting piece 204, upper connecting piece 201 and left connecting piece 203 between the upper shielding pipe 205 is provided, lower connecting piece 202 and right connecting piece 204 between the lower shielding pipe 206, the upper shielding pipe 205 and lower shielding pipe 206 can effectively shield and isolate the gas in the exhaust manifold, reduce the leakage of pollutants, and ensure the heat dissipation efficiency.

[0033] Referring to Figure 2 and Figure 3 , the upper shielding pipe 205 and the lower shielding pipe 206 are provided with dense gas holes 3, which can effectively disperse the gas pressure, improve the heat dissipation efficiency, and improve the durability of the exhaust manifold 1.

[0034] Referring to Figure 2 and Figure 3 , one side of the upper connecting piece 201 is fixedly connected with the upper card 207, and one side of the lower connecting piece 202 is fixedly connected with the lower buckle 208. The cooperation structure of the card and the buckle is firm and reliable, which effectively prevents the shell mechanism 2 from loosening and falling off during long-term use.

[0035] Referring to Figure 2 and Figure 3 , one side of the left connecting piece 203 is fixedly connected with the left card 209, and one side of the right connecting piece 204 is fixedly connected with the right buckle 210. The cooperation mode of the card and the buckle increases the overall strength of the shell mechanism 2, so that it can better protect the exhaust manifold 1.

[0036] Referring to Figure 2 and Figure 3 , the upper connecting piece 201, the lower connecting piece 202, the left connecting piece 203 and the right connecting piece 204 are provided with through holes 211, and the shell composed of the upper shielding pipe 205 and the lower shielding pipe 206 and the exhaust manifold 1 exist gaps, the gaps between the shell and the exhaust manifold 1 provide sufficient heat dissipation space, ensure that the exhaust manifold 1 will not be damaged due to overheating during work.

[0037] The implementation principle of the utility model is: first, in the working process, high pressure gas will be generated in the manifold 1, these gases carry unburned carbon powder and other pollutants;

[0038] When installing, one side of the upper connecting piece 201 and the lower connecting piece 202 is respectively fixed with the upper clamping piece 207 and the lower clamping piece 208, and one side of the left connecting piece 203 and the right connecting piece 204 is respectively fixed with the left clamping piece 209 and the right clamping piece 210, the connecting pieces are tightly connected together through mutual cooperation clamping to form a stable shell mechanism 2, at this time, the upper connecting piece 201, the lower connecting piece 202, the left connecting piece 203 and the right connecting piece 204 form a complete wrapping body, which tightly surrounds the outside of the exhaust manifold 1, and then the exhaust manifold 1 and the shell mechanism 2 are installed on the exhaust port of the engine through bolts to complete the installation.

[0039] The upper shielding pipe 205 and the lower shielding pipe 206 are both provided with dense gas passing holes 3, and the holes allow most of the gas sprayed from the cracks of the exhaust manifold 1 to be intercepted, avoid too much pollutants from leaking to the outside, so that a clean black line can be left in the inside of the shell mechanism 1, which is convenient for subsequent judgment of the position of the cracks, and the heat dissipation of the manifold 1 itself is ensured.

[0040] Embodiment two:

[0041] Referring to Figure 4 and Figure 5 , the upper shielding pipe 205 and the lower shielding pipe 206 are provided with a limiting mechanism 4, and the limiting mechanism 4 can also increase the overall strength of the shell mechanism 2 to a certain extent and improve the durability of the exhaust manifold.

[0042] Referring to Figure 4 and Figure 5 , the limiting mechanism 4 comprises a fixed block 401, the fixed block 401 is clamped with a limiting rod 403 through an annular groove 402, and the clamping structure of the limiting rod 403 is convenient for installation and disassembly, thereby providing convenience for maintenance and replacement of the exhaust manifold.

[0043] Referring to Figure 4 and Figure 5 , the limiting rod 403 is fixedly connected with a plurality of obliquely arranged flexible rods 404, and one end of the limiting rod 403 is provided in an arc-shaped structure, and the oblique arrangement of the flexible rods 404 can also generate a limiting force, so that the limiting rod 403 can better support the exhaust manifold 1, and the arc-shaped structure of the one end of the limiting rod 403 can improve the stability of the support.

[0044] The implementation principle of the utility model is as follows: firstly, when the shell mechanism 2 is installed, the limiting rod 403 is pressed, the flexible rod 404 is deformed and clamped into the annular groove 402, so that the limiting rod 403 can be supported on the exhaust manifold 1, the movement and deformation of the shell mechanism 2 are limited, and stable work is ensured.

[0045] Although the embodiments of the utility model have been shown and described, the specific embodiments are only the explanation of the utility model, and are not the limitation of the utility model, and the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable way, and the person skilled in the art can make the modification, replacement and change of the embodiments without the creative contribution after reading the specification without departing from the principles and the purpose of the utility model, but as long as in the claim range of the utility model, it is protected by the patent law.

Claims

1. A novel structural exhaust manifold characterized by: The exhaust manifold (1) is provided with a shell mechanism (2), the shell mechanism (2) comprises an upper connecting sheet (201), a lower connecting sheet (202), a left connecting sheet (203) and a right connecting sheet (204), the upper connecting sheet (201) and the left connecting sheet (203) are provided with an upper shielding pipe (205), and the lower connecting sheet (202) and the right connecting sheet (204) are provided with a lower shielding pipe (206).

2. The novel structural exhaust manifold according to claim 1, characterized in that: The upper shielding pipe (205) and the lower shielding pipe (206) are provided with dense air holes (3).

3. The novel structural exhaust manifold according to claim 1, characterized in that: One side of the upper connecting sheet (201) is fixedly connected with an upper clamping sheet (207), and one side of the lower connecting sheet (202) is fixedly connected with a lower buckle (208).

4. The novel structural exhaust manifold of claim 1, wherein: One side of the left connecting sheet (203) is fixedly connected with a left clamping sheet (209), and one side of the right connecting sheet (204) is fixedly connected with a right buckle (210).

5. The novel structural exhaust manifold of claim 1, wherein: The upper connecting sheet (201), the lower connecting sheet (202), the left connecting sheet (203) and the right connecting sheet (204) are provided with through holes (211), and there is a gap between the shell formed by the upper shielding pipe (205) and the lower shielding pipe (206) and the exhaust manifold (1).

6. The novel structural exhaust manifold of claim 1, wherein: The upper shielding pipe (205) and the lower shielding pipe (206) are provided with a limiting mechanism (4), and the limiting mechanism (4) is provided.

7. The novel structural exhaust manifold of claim 6, wherein: The limiting mechanism (4) comprises a fixed block (401), and the fixed block (401) is clamped with a limiting rod (403) through an annular groove (402).

8. The novel structural exhaust manifold of claim 7, wherein: A plurality of flexible rods (404) are fixedly connected to the limiting rod (403) and are arranged obliquely, and one end of the limiting rod (403) is provided in an arc-shaped structure.

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