Filtering device of automobile exhaust pipe

Abstract

The utility model relates to the technical field of automobile accessories, and discloses a filtering device of an automobile exhaust pipe, which comprises an exhaust pipe and a filtering device, one end of the filtering device is connected with the exhaust pipe in a sleeved mode, and fixing mechanisms are arranged on the upper end face and the lower end face of one end, close to the exhaust pipe, of the filtering device. The two fixing mechanisms each comprise a connecting threaded column, a connecting nut, a first gasket, a second gasket and a fixing block. A discharge pipe is fixedly arranged at the end, away from the exhaust pipe, of the filter device, a sleeve is embedded into one end of the discharge pipe, and mounting mechanisms are arranged on the upper end face and the lower end face of the end, away from the filter device, of the discharge pipe. According to the utility model, not only can the exhaust pipe and the filter device be quickly connected and mounted, but also accidental loosening and falling caused by vibration can be effectively reduced after connection, and meanwhile, the blocking net which can be quickly disassembled and assembled is additionally arranged at the discharge end, so that the discharge port is effectively prevented from being blocked by sundries.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile accessories, in particular to a filtering device for an automobile exhaust pipe. Background Art

[0002] The exhaust pipe is a part of the engine's exhaust system. The exhaust system mainly includes the exhaust manifold, exhaust pipe and muffler. Generally, a three-way catalytic converter for controlling engine pollutant emissions is also installed in the exhaust system. The exhaust pipe generally includes the front exhaust pipe and the rear exhaust pipe.

[0003] The existing patent (publication number: CN207064051U) discloses "an automobile exhaust pipe with an exhaust gas filtering function, comprising an automobile exhaust pipe body, an exhaust chamber is opened inside the automobile exhaust pipe body, the right side of the automobile exhaust pipe body is fixedly connected with an intake pipe, the left side of the automobile exhaust pipe body is connected with an exhaust gas filtering and purifying device, and an exhaust channel is opened inside the exhaust gas filtering and purifying device. The utility model filters and purifies the exhaust gas through the exhaust gas filtering and purifying device, and the exhaust gas filtering and purifying device is an activated carbon adsorption purification device, which can effectively adsorb harmful substances contained in the exhaust gas, reduce the emission of harmful substances, and reduce the emission rate of dust, thereby achieving a filtering effect, reducing the content of pollutants in the exhaust gas, thereby effectively protecting the air, and achieving the advantages of the exhaust gas filtering function, thereby effectively solving the problem that the existing automobile exhaust pipe cannot filter and purify the exhaust gas well, thereby polluting the environment and endangering air health."

[0004] However, the utility model has the following problems: although the connection and installation of the exhaust pipe and the filter device can be completed quickly, no blocking component is provided at the exhaust port of the filter device, which may easily cause external impurities to be blocked at the exhaust port, thereby preventing smooth exhaust. Therefore, the utility model provides a filter device for an automobile exhaust pipe to solve the problems raised in the above-mentioned background technology. Utility Model Content

[0005] The purpose of the utility model is to solve the shortcomings existing in the prior art, and to propose a filter device for an automobile exhaust pipe, which can not only quickly complete the connection and installation of the exhaust pipe and the filter device, but also effectively reduce the accidental loosening and falling off caused by vibration after the connection, and at the same time, a barrier net that can be quickly disassembled and assembled is added at the discharge end to effectively prevent debris from clogging the discharge port.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A filter device for an automobile exhaust pipe comprises an exhaust pipe and a filter device, wherein one end of the filter device is sleeve-connected with the exhaust pipe, and a fixing mechanism is arranged at the upper end face and the lower end face of the end of the filter device close to the exhaust pipe, and the two fixing mechanisms each comprise a connecting threaded column, a connecting nut, a first gasket, a second gasket and a fixing block;

[0008] A discharge pipe is fixedly arranged at one end of the filter device away from the exhaust pipe, a sleeve is embedded in one end of the discharge pipe, and mounting mechanisms are arranged on the upper end surface and the lower end surface of the end of the discharge pipe away from the filter device, and the two mounting mechanisms each include a connecting rod, a connecting spring and a mounting block;

[0009] Through the above technical solution, the connection operation between the drain pipe and the filter device can be completed quickly, and a sleeve and a barrier net are provided at one end of the discharge pipe, which can not only achieve a certain degree of filtering effect at the tail end, but also avoid blockage at the opening of the discharge pipe.

[0010] Furthermore, a sealing ring is fixedly sleeved on the outer side of one end of the exhaust pipe connected to the filter device, and a fixing groove is provided on the upper end surface and the lower end surface of the end of the exhaust pipe close to the filter device, and the fixing mechanism is embedded in the fixing groove;

[0011] Through the above technical solution, the connection sealing effect between the filter device and the exhaust pipe can be improved by using the sleeved sealing ring.

[0012] Furthermore, a barrier net is installed at one end of the sleeve by bolts, and mounting grooves are provided on one side of the upper end surface and the lower end surface of the sleeve, and the mounting mechanism is embedded in the mounting groove;

[0013] Through the above technical solution, the barrier net can play a certain role in filtering and preventing blockage caused by the entry of debris.

[0014] Furthermore, a slot in a transverse direction is provided on the bottom surface of the fixing groove, the fixing block is embedded in the slot, the connecting thread column passes through the filter device, the connecting nut is threadedly sleeved on the upper end of the connecting thread column, and the No. 1 gasket is clamped and connected with the No. 2 gasket and movably sleeved on the outer side of the connecting thread column;

[0015] Through the above technical solution, the snap-in installation and use can be completed quickly, the structure is simple, and the operation is convenient.

[0016] Furthermore, the first gasket and the second gasket have serrated opposite sides and are relatively engaged and connected on the opposite sides;

[0017] Through the above technical solution, the loosening effect caused by vibration can be effectively reduced.

[0018] Furthermore, the inner wall of the discharge pipe is provided with grooves on one side near the upper end and the lower end, and the two mounting blocks are movably embedded in the two grooves respectively;

[0019] Through the above technical solution, the mobility of the installation block can be guaranteed, thereby facilitating subsequent disassembly and use.

[0020] Furthermore, the connecting spring is movably sleeved on the outer side of the connecting rod near the upper end, the mounting block is fixedly arranged on the lower end of the connecting rod, and the lower end surface of the mounting block is in the shape of an inclined section;

[0021] Through the above technical solution, the automatic resetting function can be achieved by utilizing the setting of the connecting spring, the structure is simple, and the use is convenient and quick.

[0022] The utility model has the following beneficial effects:

[0023] 1. The utility model proposes a filter device for an automobile exhaust pipe. The exhaust pipe is connected to the filter device, and a connecting threaded column with a fixing block is embedded into a fixing groove and a clamping groove in the fixing groove. After the initial clamping is completed, the upper end serrated gasket and the connecting nut are used to tighten and fix. The serrated clamping gasket can effectively reduce the looseness caused by vibration, thereby greatly improving the firmness and stability of the connection and avoiding accidental falling off during driving.

[0024] 2. The utility model proposes a filtering device for an automobile exhaust pipe, in which a sleeve is embedded at one end of the exhaust pipe and a barrier net is provided on one side of the sleeve. The barrier net can not only play a filtering function with a certain effect, but also prevent debris from being stuffed in from the outside, thereby preventing the exhaust pipe from being blocked by foreign objects. At the same time, the sleeve is quickly installed and connected using a completed installation mechanism, which is simple to operate and easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is a schematic diagram of the shaft side structure of the utility model;

[0026] Figure 2 It is a cross-sectional structural schematic diagram of the utility model;

[0027] Figure 3 It is a schematic diagram of the structure of the exhaust pipe of the utility model;

[0028] Figure 4 It is a structural schematic diagram of the fixing mechanism of the utility model;

[0029] Figure 5 For the utility model Figure 2 A schematic diagram of the structure at A;

[0030] Figure 6 For the utility model Figure 2A schematic diagram of the structure at B;

[0031] Figure 7 For the utility model Figure 3 Enlarged schematic diagram of the structure at location C.

[0032] Legend:

[0033] 1. Exhaust pipe; 2. Fixing mechanism; 201. Connecting threaded column; 202. Connecting nut; 203. No. 1 gasket; 204. No. 2 gasket; 205. Fixing block; 3. Filter device; 4. Discharge pipe; 5. Installation mechanism; 501. Connecting rod; 502. Connecting spring; 503. Installation block; 6. Barrier net; 7. Slot; 8. Sealing ring; 9. Groove; 10. Sleeve; 11. Fixing groove. DETAILED DESCRIPTION

[0034] 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.

[0035] Example

[0036] Reference Figure 1-7 The utility model provides an embodiment: a filter device for an automobile exhaust pipe, comprising an exhaust pipe 1 and a filter device 3, one end of the filter device 3 is sleeve-connected with the exhaust pipe 1, and a fixing mechanism 2 is arranged at the upper end face and the lower end face of the end of the filter device 3 close to the exhaust pipe 1, and the two fixing mechanisms 2 each include a connecting threaded column 201, a connecting nut 202, a No. 1 gasket 203, a No. 2 gasket 204 and a fixing block 205;

[0037] A discharge pipe 4 is fixedly provided at one end of the filter device 3 away from the exhaust pipe 1, a sleeve 10 is embedded inside one end of the discharge pipe 4, and mounting mechanisms 5 are provided on the upper and lower end surfaces of the end of the discharge pipe 4 away from the filter device 3. The two mounting mechanisms 5 both include a connecting rod 501, a connecting spring 502 and a mounting block 503.

[0038] Specifically, according to the above embodiment, a sealing ring 8 is fixedly sleeved on the outer side of one end of the exhaust pipe 1 connected to the filter device 3, and a fixing groove 11 is provided at the upper end surface and the lower end surface of the end of the exhaust pipe 1 close to the filter device 3, and the fixing mechanism 2 is embedded in the fixing groove 11; when the exhaust pipe 1 and the filter device 3 are connected, the sealing ring 8 is first sleeved on the outer wall of one end of the exhaust pipe 1, and after the exhaust pipe 1 and the filter device 3 are connected, the sealing ring 8 is located on the inner side of the filter device 3 to form a blocking effect, thereby improving the sealing performance of the connection between the two;

[0039] Specifically, according to the above embodiment, the barrier net 6 is installed at one end of the sleeve 10 by bolts, and mounting grooves are provided on one side of the upper end surface and the lower end surface of the sleeve 10, and the mounting mechanism 5 is embedded in the mounting grooves. When disassembly is required, the bolts can be loosened to release the restriction on the barrier net 6, so as to complete the disassembly and replacement of the barrier net 6;

[0040] Specifically, according to the above embodiment, a slot 7 in a transverse direction is provided on the inner bottom surface of the fixing groove 11, the fixing block 205 is embedded in the slot 7, the connecting thread column 201 passes through the filtering device 3, the connecting nut 202 is threadedly sleeved on the upper end of the connecting thread column 201, and the No. 1 gasket 203 is snap-connected with the No. 2 gasket 204 and movably sleeved on the outside of the connecting thread column 201. When the exhaust pipe 1 and the filter device 3 are assembled and installed, the connecting threaded column 201 and the fixing block 205 are first embedded in the fixing groove 11, and then the connecting threaded column 201 is rotated to make the fixing block 205 embedded in the slot 7, and then the No. 1 gasket 203 and the No. 2 gasket 204 are assembled and connected and sleeved on the outside of the connecting threaded column 201, and then the connecting nut 202 is threadedly connected to the connecting threaded column 201 to complete the final fixation; and since the opposite sides of the No. 1 gasket 203 and the No. 2 gasket 204 are serrated and the opposite sides are relatively engaged and connected; that is, the serrated structure between the two gaskets is used for engagement and engagement, which can effectively reduce the probability of accidental loosening due to vibration.

[0041] Specifically, according to the above embodiment, the inner wall of the discharge pipe 4 is provided with grooves 9 on one side near the upper end and the lower end, and two mounting blocks 503 are respectively movably embedded in the two grooves 9. The connecting spring 502 is movably sleeved on the outer side of the connecting rod 501 near the upper end, and the mounting block 503 is fixedly arranged at the lower end of the connecting rod 501, and the lower end surface of the mounting block 503 is in the shape of an inclined section. When installing the sleeve 10, the sleeve 10 is inserted into the discharge pipe 4, and the sleeve 10 generates a thrust on the inclined surface of the lower end of the mounting block 503 to move it upward, and the mounting block 503 moves in the groove 9 and drives the connecting rod 501 to move upward, prompting the connecting spring 502 to change elastically, and after the mounting block 503 is not subjected to force, the connecting spring 502 is reset to drive the connecting rod 501 and the mounting block 503 to move downward, thereby completing the clamping and fixing effect of the sleeve 10.

[0042] Working principle: When in use, one end of the filter device 3 is sleeved with one end of the exhaust pipe 1, and the filter device 3 and the exhaust pipe 1 are firmly connected by the outer fixing mechanism 2, and the fixing mechanism 2 is embedded in the fixing groove 11 and the card groove 7 of the exhaust pipe 1, so that it can be quickly installed and fixed, and then the sleeve 10 is embedded into the exhaust pipe 4, and the sleeve 10 is fixed by the installation mechanism 5; and one end of the sleeve 10 can use bolts to quickly complete the installation and disassembly of the barrier net 6 to prevent foreign matter from entering the exhaust pipe 4 and causing blockage accidents.

[0043] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can 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 should be included in the protection scope of the present invention.

Claims

1. A filter device for an automobile exhaust pipe, comprising an exhaust pipe (1) and a filter device (3), characterized in that: One end of the filter device (3) is sleeve-connected to the exhaust pipe (1), and a fixing mechanism (2) is provided at the upper end surface and the lower end surface of the end of the filter device (3) close to the exhaust pipe (1), and the two fixing mechanisms (2) each include a connecting threaded column (201), a connecting nut (202), a first gasket (203), a second gasket (204) and a fixing block (205); An exhaust pipe (4) is fixedly arranged at one end of the filter device (3) away from the exhaust pipe (1), a sleeve (10) is embedded in one end of the exhaust pipe (4), and mounting mechanisms (5) are arranged on the upper end surface and the lower end surface of the end of the exhaust pipe (4) away from the filter device (3), and the two mounting mechanisms (5) each include a connecting rod (501), a connecting spring (502) and a mounting block (503).

2. The filter device for automobile exhaust pipe according to claim 1, characterized in that: A sealing ring (8) is fixedly sleeved on the outer side of one end of the exhaust pipe (1) connected to the filter device (3); a fixing groove (11) is provided on the upper end surface and the lower end surface of the end of the exhaust pipe (1) close to the filter device (3); and the fixing mechanism (2) is embedded in the fixing groove (11).

3. The filter device for automobile exhaust pipe according to claim 1, characterized in that: A barrier net (6) is installed at one end of the sleeve (10) by means of bolts, and installation grooves are provided on one side of the upper end surface and the lower end surface of the sleeve (10), and the installation mechanism (5) is embedded in the installation groove.

4. The filter device for automobile exhaust pipe according to claim 2, characterized in that: The inner bottom surface of the fixing groove (11) is provided with a slot (7) extending in a transverse direction, the fixing block (205) is embedded in the slot (7), the connecting thread column (201) passes through the filter device (3), the connecting nut (202) is threadedly sleeved on the upper end of the connecting thread column (201), and the No. 1 gasket (203) is snap-connected with the No. 2 gasket (204) and movably sleeved on the outside of the connecting thread column (201).

5. The filter device for automobile exhaust pipe according to claim 1, characterized in that: The first gasket (203) and the second gasket (204) have serrated sides on opposite sides and are relatively embedded and connected.

6. The filter device for automobile exhaust pipe according to claim 1, characterized in that: The inner wall of the discharge pipe (4) is provided with grooves (9) on one side close to the upper end and one side close to the lower end, and the two mounting blocks (503) are movably embedded in the two grooves (9) respectively.

7. The filter device for automobile exhaust pipe according to claim 1, characterized in that: The connecting spring (502) is movably sleeved on the outer side of the connecting rod (501) near the upper end, and the mounting block (503) is fixedly arranged on the lower end of the connecting rod (501), and the lower end surface of the mounting block (503) is in the shape of an inclined section.

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