Protective automobile exhaust treatment device

By designing a protective automotive exhaust treatment device, the combination of springs and dampers is used to form the effect of buffering and absorption of potential energy, the problem of three-way catalysts being easily damaged during rear-end collision is solved, and effective protection and resource conservation is achieved.

CN222835842UActive Publication Date: 2025-05-06HEFEI SHENZHOU CATALSIS PURIFIER CO LTD
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Patent Information

Application Number
CN202421677719.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-16
Publication Date
2025-05-06
Estimated Expiration
2034-07-16

AI Technical Summary

Technical Problem

In the prior art, the three-way catalyst is prone to damage when rear-end of the car, and the fixedly installed protective plate cannot be effectively protected, resulting in waste of resources and reduced protection effect.

Method used

A protective automotive exhaust treatment device is designed, including a three-way catalyst, mounting assembly and protective assembly. The installation component is composed of a protective sleeve housing, mounting ring and fastening screw through a coupling plate, a coupling ring, a fixing rod and a spring. The installation component is composed of a protective sleeve housing, a mounting ring and a fastening screw. The coupling of the spring and the damper form a buffering and potential energy absorption effect to prevent damage to the protective sleeve housing.

Benefits of technology

Effectively protect the three-way catalyst to avoid damage during rear-end collision, improve the protection effect, reduce resource waste, and pass the design of ventilation and heat dissipation holes, without affecting the heat dissipation effect of the three-way catalyst.

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Abstract

The utility model discloses a protective automobile tail gas treatment device, and relates to the technical field of automobile tail gas treatment. The three-way catalytic converter protection device comprises a three-way catalytic converter, an installation assembly and a protection assembly, the installation assembly comprises a connecting plate and a connecting ring, one end of the three-way catalytic converter is fixedly connected with the connecting plate, and fixing rods are fixedly connected to the two sides of one surface of the connecting plate. According to the three-way catalyst protection device, the effect of protecting a three-way catalyst is achieved through the protection sleeve shell by arranging the installation assembly and the protection assembly, when the protection sleeve shell is collided, a connecting ring is stressed to press downwards to be matched with a spring, meanwhile, a linkage rod pushes a sliding block to slide in a sliding groove, buffering force is formed, the protection sleeve shell is buffered, damage is avoided, and the service life of the three-way catalyst is prolonged. And meanwhile, the damper absorbs potential energy generated by the matched spring, the sliding block extrudes the balloon, gas is introduced into the damper through the gas pipe, the damping value is adjusted, the situation that the matched spring shakes too much due to the fact that the damping value is fixed during use is avoided, and practicability is improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of automobile exhaust treatment, in particular to a protective automobile exhaust treatment device. Background Art

[0002] When treating automobile exhaust, a three-way catalytic converter is generally installed at the rear of the automobile. It can convert harmful gases such as carbon monoxide, hydrocarbons and nitrogen oxides emitted from automobile exhaust into harmless carbon dioxide, water and nitrogen through oxidation and reduction. When a car rear-ends, the three-way catalytic converter installed at the rear of the car is prone to damage. The staff needs to replace the three-way catalytic converter frequently, which easily causes a waste of resources.

[0003] The prior art adopts a method of fixing a protective plate on the outer side of the three-way catalytic converter to protect the three-way catalytic converter. However, when the protective plate is fixedly installed, the protective effect is reduced. Utility Model Content

[0004] The utility model aims to provide a protective automobile exhaust treatment device to solve the problem that the prior art adopts a method of fixing a protective plate on the outer side of the three-way catalytic converter to protect the three-way catalytic converter, but the protective effect is reduced when the protective plate is fixedly installed.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model discloses a protective automobile exhaust treatment device, comprising a three-way catalytic converter, a mounting assembly and a protective assembly, wherein the mounting assembly comprises a connecting plate and a connecting ring, one end of the three-way catalytic converter is fixedly connected to the connecting plate, both sides of a surface of the connecting plate are fixedly connected with fixing rods, two groups of the fixing rods are respectively arranged on both sides of the three-way catalytic converter, two groups of the connecting rings are arranged, the two groups of the connecting rings are respectively arranged on the peripheral sides of the two groups of fixing rods and slidably matched with them, both sides of a surface of the connecting plate are fixedly connected with matching springs, the matching springs are sleeved on the peripheral sides of the fixing rods, the bottom surface of the connecting ring is fixedly connected to one end of the matching spring, the peripheral side of the connecting ring is fixedly connected with matching ears, and the surface of the matching ears is provided with screw holes.

[0007] The protection component includes a protection shell, which is sleeved on the circumference of the three-way catalytic converter. Both sides of the bottom end of the protection shell are fixedly connected with mounting rings, and the mounting rings are adapted to the fixing rod. The circumference of the mounting ring is fixedly connected with connecting ears, and the interior of the connecting ears is provided with fastening screws, and the fastening screws are threadedly fixed to the screw holes.

[0008] Linkage rods are hinged on both sides of the connecting ring, a slider is hinged on one end of the linkage rod, and sliding grooves are provided on both sides of a surface of the connecting plate. The slider is arranged in the sliding groove and slides with it. A balloon is arranged on the inner side of the sliding groove away from one end of the slider.

[0009] Dampers are installed on both sides of a surface of the connecting plate, the dampers are arranged on one side of the matching spring, an air pipe is installed between the damper and the balloon, and the air pipe is arranged on the outside of the slide groove.

[0010] The protective sleeve is provided with a plurality of ventilation and heat dissipation holes on its peripheral side surface; by providing the ventilation and heat dissipation holes, the three-way catalytic converter is protected while its own heat dissipation effect is not affected, thereby avoiding affecting the normal operation of the three-way catalytic converter.

[0011] The utility model has the following beneficial effects:

[0012] The utility model provides an installation component and a protection component, and fixes the protection sleeve shell with fastening screws and a connecting ring, so as to achieve the effect of protecting the three-way catalytic converter through the protection sleeve shell; when the protection sleeve shell is collided, the connecting ring is forced to press down the matching spring, and at the same time the linkage rod pushes the slider to slide in the slide groove, so as to form a buffering force, and buffer the protection sleeve shell to avoid damage; at the same time, the damper absorbs the potential energy generated by the matching spring, the slider squeezes the balloon, and gas is introduced into the damper through the air pipe, so as to adjust the damping value, avoid excessive shaking of the matching spring caused by the fixed damping value during use, and improve practicality.

[0013] Of course, any product implementing the present invention does not necessarily need to achieve all of the advantages described above at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0015] Figure 1 It is a schematic diagram of the three-dimensional assembly structure of the utility model;

[0016] Figure 2 for Figure 1 A magnified image of area A;

[0017] Figure 3 for Figure 2 Magnified view of area B.

[0018] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0019] 1. Three-way catalytic converter; 2. Installation assembly; 201. Connecting plate; 202. Fixing rod; 203. Connecting ring; 204. Matching ear; 205. Screw hole; 206. Linking rod; 207. Sliding block; 208. Matching spring; 209. Slide groove; 210. Ball bag; 211. Air pipe; 212. Damper; 3. Protection assembly; 301. Protection cover; 302. Ventilation and heat dissipation holes; 303. Installation ring; 304. Connecting ear; 305. Fastening screw. DETAILED DESCRIPTION

[0020] 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.

[0021] In the description of the present invention, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicating directions or positional relationships are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the components or elements referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as limitations on the present invention.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" 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 a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] See also Figure 1-Figure 3As shown, the utility model is a protective automobile exhaust treatment device, comprising a three-way catalytic converter 1, a mounting assembly 2 and a protective assembly 3, the mounting assembly 2 comprising a connecting plate 201 and a connecting ring 203, one end of the three-way catalytic converter 1 is fixedly connected to the connecting plate 201, both sides of a surface of the connecting plate 201 are fixedly connected with fixing rods 202, two groups of fixing rods 202 are respectively arranged on both sides of the three-way catalytic converter 1, two groups of connecting rings 203 are arranged, the two groups of connecting rings 203 are respectively arranged on the peripheral sides of the two groups of fixing rods 202, and slidably cooperate with them, both sides of a surface of the connecting plate 201 are fixedly connected with matching springs 208, the matching springs 208 are sleeved on the peripheral sides of the fixing rods 202, the bottom surface of the connecting ring 203 is fixedly connected to one end of the matching spring 208, the peripheral side of the connecting ring 203 is fixedly connected with a matching ear 204, and the surface of the matching ear 204 is provided with a screw hole 205.

[0024] The protection component 3 includes a protection shell 301, which is sleeved on the circumference of the three-way catalytic converter 1. Both sides of the bottom of the protection shell 301 are fixedly connected with mounting rings 303, and the mounting ring 303 is adapted to the fixing rod 202. The circumference of the mounting ring 303 is fixedly connected with a connecting ear 304, and the interior of the connecting ear 304 is provided with a fastening screw 305, which is threadedly fixed to the screw hole 205.

[0025] Linking rods 206 are hinged on both sides of the connecting ring 203, and a slider 207 is hinged on one end of the linking rod 206. Slide grooves 209 are provided on both sides of a surface of the connecting plate 201. The slider 207 is arranged in the slide groove 209 and slides with it. A balloon 210 is provided on the inner side of the slide groove 209 away from one end of the slider 207.

[0026] Damper 212 is installed on both sides of a surface of the connecting plate 201 . The damper 212 is arranged on one side of the matching spring 208 . An air tube 211 is installed between the damper 212 and the balloon 210 . The air tube 211 is arranged on the outside of the slide groove 209 .

[0027] A plurality of ventilation and heat dissipation holes 302 are provided on the peripheral side of the protective sleeve 301 ; by providing the ventilation and heat dissipation holes 302 , the three-way catalytic converter 1 is protected while its own heat dissipation effect is not affected, thereby avoiding affecting the normal operation of the three-way catalytic converter 1 .

[0028] It should be supplemented that, in actual use, the protective sleeve 301 is sleeved on the peripheral side of the three-way catalytic converter 1, and the mounting ring 303 is sleeved on the fixing rod 202, and the mounting ring 303 is fixed to the connecting ring 203 by means of the fastening screws 305, so that the staff can replace the protective sleeve 301 conveniently, and the protective sleeve 301 is used to protect the three-way catalytic converter 1, and at the same time, the ventilation and heat dissipation holes 302 provided on the peripheral side of the protective sleeve 301 are used to achieve the heat dissipation effect of the three-way catalytic converter 1 itself without affecting it; when the protective sleeve 301 is damaged, the protective sleeve 301 is easily damaged. When a collision occurs, the connecting ring 203 is forced to slide along the fixed rod 202 and press down the matching spring 208. At the same time, the linkage rod 206 pushes the slider 207 to slide in the slide groove 209, forming a buffering force to buffer the protective shell 301 and avoid damage. At the same time, the damper 212 absorbs the potential energy generated by the matching spring 208, and the slider 207 squeezes the balloon 210. Gas is introduced into the damper 212 through the air pipe 211 to adjust the damping value, thereby avoiding excessive shaking of the matching spring 208 due to the fixed damping value during use, thereby improving practicality.

[0029] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0030] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A protective automobile exhaust treatment device, comprising a three-way catalytic converter (1), a mounting assembly (2) and a protective assembly (3), characterized in that: The mounting assembly (2) comprises a connecting plate (201) and a connecting ring (203); one end of the three-way catalytic converter (1) is fixedly connected to the connecting plate (201); both sides of a surface of the connecting plate (201) are fixedly connected to fixing rods (202); two groups of the fixing rods (202) are respectively arranged on the two sides of the three-way catalytic converter (1); two groups of the connecting rings (203) are respectively arranged on the two groups of fixing rods (202); 02) and slidably cooperate with it, both sides of one surface of the connecting plate (201) are fixedly connected with matching springs (208), the matching spring (208) is sleeved on the surrounding side of the fixing rod (202), the bottom surface of the connecting ring (203) is fixedly connected to one end of the matching spring (208), the surrounding side of the connecting ring (203) is fixedly connected with a matching ear (204), and the surface of the matching ear (204) is provided with a screw hole (205).

2. A protective automobile exhaust treatment device according to claim 1, characterized in that: The protection component (3) comprises a protection casing (301), the protection casing (301) is sleeved on the peripheral side of the three-way catalytic converter (1), both sides of the bottom end of the protection casing (301) are fixedly connected with mounting rings (303), the mounting rings (303) are adapted to the fixing rod (202), the peripheral side of the mounting ring (303) is fixedly connected with a connecting ear (304), the interior of the connecting ear (304) is provided with a fastening screw (305), and the fastening screw (305) is threadedly fixed to the screw hole (205).

3. A protective automobile exhaust treatment device according to claim 2, characterized in that: Both side surfaces of the connecting ring (203) are hinged with linkage rods (206), one end of the linkage rod (206) is hinged with a slider (207), both sides of a surface of the connecting plate (201) are provided with slide grooves (209), the slider (207) is arranged in the slide groove (209) and slidably cooperates with the slide groove (209), and a balloon (210) is arranged on the inner side of the slide groove (209) away from one end of the slider (207).

4. A protective automobile exhaust treatment device according to claim 3, characterized in that: A damper (212) is installed on both sides of a surface of the connecting plate (201), and the damper (212) is arranged on one side of the matching spring (208). An air tube (211) is installed between the damper (212) and the balloon (210), and the air tube (211) is arranged on the outside of the slide groove (209).

5. A protective automobile exhaust treatment device according to claim 4, characterized in that: The protective shell (301) is provided with a plurality of ventilation and heat dissipation holes (302) on the peripheral side surface.