Automobile exhaust pipe air tightness detection device
By introducing cleaning and installation components into the exhaust pipe airtightness testing device, the problem of dust and dirt on the exhaust pipe surface affecting the testing has been solved, achieving higher testing accuracy and ease of operation.
Patent Information
- Application Number
- CN202520690159.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-04-14
AI Technical Summary
When using existing automotive exhaust pipe airtightness testing devices, dust and dirt adhering to the surface of the exhaust pipe affect the accuracy of the test results.
A device for testing the air tightness of an automotive exhaust pipe has been designed, comprising a cleaning component and a moving component. The cleaning brush is driven by a vertical plate and a driven gear to clean the surface of the exhaust pipe. The cleaning brush rotates during testing. The installation component is easy to replace and clean.
This improves the accuracy of exhaust pipe airtightness testing and the practicality of the device, ensures the accuracy of test results, and enhances the ease of operation.
Smart Images

Figure CN223910413U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to exhaust pipe air tightness detection technical field, concretely to a kind of automobile exhaust pipe air tightness detection device. BACKGROUND
[0002] Exhaust pipe is part of engine exhaust system, exhaust system mainly includes exhaust manifold, exhaust pipe and muffler, generally for control engine pollutant emission three school catalyst also be installed in exhaust system, exhaust pipe generally includes front exhaust pipe and rear exhaust pipe, automobile exhaust bellows is also called automobile exhaust pipe hose, it is installed in the exhaust pipe between engine exhaust branch pipe and silencer, make the whole exhaust system present flexible coupling, to play the role of vibration reduction and noise reduction, facilitate installation and prolong the life of exhaust silencing system, it is mainly used for light vehicle, microcar and passenger car.
[0003] Reference patent announcement number "CN220063322U" discloses a kind of air tightness detection device of automobile exhaust pipe, including clamping detection mechanism, and clamping motor is installed in the top surface center position of clamping detection mechanism;The bottom of clamping detection mechanism is provided with air tightness detection mechanism, and the top of air tightness detection mechanism is provided with lifting motor;It also includes: clamping detection mechanism includes clamping support, clamping sliding slot is opened in the inside of clamping support, and clamping fixed seat is symmetrically installed on the top of clamping support.
[0004] As shown in the above technology, when the sealing test of automobile exhaust pipe is carried out, the exhaust pipe is inserted between two air pipes, and the exhaust pipe is placed in the water tank for detection, but when the exhaust pipe is removed from the car, dust, soil and other impurities may be attached to the surface of the exhaust pipe, which may affect the accuracy of the air tightness detection result. UTILITY MODEL CONTENTS
[0005] In view of the deficiencies of the prior art, the utility model provides an air tightness detection device for automobile exhaust pipe, which solves the problem of dust and soil attached to the surface of the exhaust pipe during detection by the existing air tightness detection device for automobile exhaust pipe.
[0006] To achieve the above purpose, the utility model is implemented by the following technical solutions: an air tightness detection device for automobile exhaust pipe includes a bottom plate, a gantry is fixedly connected to the top of the bottom plate, a lifting assembly is arranged in the interior of the gantry, a support plate is installed on the lifting assembly, two sealing joints are arranged below the support plate for air tightness detection of the exhaust pipe, a detection water tank is placed above the bottom plate, a cleaning mechanism is arranged on the support plate for cleaning the surface of the exhaust pipe, the cleaning mechanism includes a cleaning assembly and a moving assembly.
[0007] The cleaning assembly comprises a sliding groove opened on the supporting plate, the inner surface of the sliding groove is slidably connected with a vertical downward vertical plate, the left side of the vertical plate is rotatably connected with a driven gear, the driven gear is installed with a cleaning brush through a mounting assembly, and the moving assembly is used for driving the vertical plate to move left and right and cleaning the surface of the exhaust pipe under the rotation of the cleaning brush.
[0008] Preferably, the right side of the vertical plate is fixedly connected with a driving motor, the output end of the driving motor penetrates through the vertical plate and extends to the left side of the vertical plate, and the output end of the driving motor is fixedly connected with a driving gear, and the driving gear is in meshing transmission with the driven gear.
[0009] Preferably, the mounting assembly comprises two upper and lower through grooves opened in the interior of the driven gear, and the inner surfaces of the two through grooves are slidably connected with limiting rods, and the left side of the driven gear is fixedly connected with two fixed seats.
[0010] Preferably, the interiors of the two fixed seats are slidably connected with T-shaped sliding rods, one end of each of the two T-shaped sliding rods is fixedly connected with a limiting rod, and a limiting spring is fixedly connected between the end of the T-shaped sliding rod and the fixed seat.
[0011] Preferably, the right side of the driven gear is fixedly connected with four positioning rods, the interior of the cleaning brush is provided with positioning grooves corresponding to the positions of the positioning rods, and the interior of the cleaning brush is also provided with insertion grooves corresponding to the positions of the two limiting rods.
[0012] Preferably, the moving assembly comprises an input motor, the input motor is fixedly connected with the top of the vertical plate through a support, the output end of the input motor is fixedly connected with a driving gear, the top of the supporting plate is fixedly connected with a rack, and the driving gear is in meshing transmission with the rack.
[0013] Beneficial effects
[0014] The utility model provides a kind of automobile exhaust pipe air tightness detection device. Compared with prior art, the following beneficial effects are achieved:
[0015] 1, the automobile exhaust pipe air tightness detection device, by cleaning assembly comprising the sliding groove opened on the supporting plate, the inner surface of the sliding groove is slidably connected with vertical downward vertical plate, the left side of the vertical plate is rotatably connected with driven gear, when the sealing property of exhaust pipe is detected, cleaning assembly is moved left and right by driving assembly to clean the surface of exhaust pipe, cleaning brush is rotated on the surface of exhaust pipe to clean, which is beneficial to improve the accuracy of sealing detection result, improve the practicality of device when using.
[0016] 2、The automobile exhaust pipe air tightness detection device, through the installation assembly including the upper and lower two through grooves opened in the driven gear, the inner surfaces of the two through grooves are all slidably connected with the limiting rods, the left side of the driven gear is fixedly connected with the upper and lower two fixed seats, the cleaning brush in the cleaning assembly is installed through the installation assembly, so that when the cleaning brush needs to be replaced or cleaned, quick operation can be carried out, and the convenience of the device during use is improved. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the appearance schematic view of the utility model;
[0018] Figure 2 It is the schematic view of the cleaning mechanism of the utility model;
[0019] Figure 3 It is the exploded schematic view of the cleaning assembly of the utility model;
[0020] Figure 4 It is the enlarged view of A of the utility model.
[0021] In the drawing: 1, bottom plate; 2, gantry; 3, lifting assembly; 4, support plate; 5, cleaning assembly; 51, sliding groove; 52, vertical plate; 53, driven gear; 54, installation assembly; 541, through groove; 542, limiting rod; 543, fixed seat; 544, T-shaped sliding rod; 545, limiting spring; 546, positioning rod; 547, insertion slot; 548, positioning groove; 55, cleaning brush; 56, driving motor; 57, driving gear; 6, moving assembly; 61, input click; 62, driving gear; 63, rack; 7, sealing joint; 8, detection tank. DETAILED DESCRIPTION
[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0023] Please refer to Figures 1-4 The automobile exhaust pipe air tightness detection device provides two technical solutions:
[0024] The first embodiment comprises a bottom plate 1, the top of which is fixedly connected with a portal frame 2, the inside of the portal frame 2 is provided with a lifting assembly 3, and the lifting assembly 3 is installed with a supporting plate 4, the lower portion of the supporting plate 4 is provided with two left and right sealing joints 7 for sealing detection of the exhaust pipe, the upper portion of the bottom plate 1 is placed with a detection pool 8, and the supporting plate 4 is provided with a cleaning mechanism for cleaning the surface of the exhaust pipe, which comprises a cleaning assembly 5 and a moving assembly 6.
[0025] The cleaning assembly 5 comprises a chute 51 opened on the supporting plate 4, the inner surface of the chute 51 is slidably connected with a vertical downward vertical plate 52, the left side of the vertical plate 52 is rotatably connected with a driven gear 53, the driven gear 53 is installed with a cleaning brush 55 through an installation assembly 54, the moving assembly 6 is used for driving the vertical plate 52 to move left and right and cleaning the surface of the exhaust pipe under the rotation of the cleaning brush 55, the right side of the vertical plate 52 is fixedly connected with a driving motor 56, the output end of the driving motor 56 penetrates through the vertical plate 52 and extends to the left side of the vertical plate 52, and the output end of the driving motor 56 is fixedly connected with a driving gear 57, the driving gear 57 is in meshing transmission with the driven gear 53.
[0026] The moving assembly 6 comprises an input motor 61, the input motor 61 is fixedly connected with the top of the vertical plate 52 through a support, the output end of the input motor 61 is fixedly connected with a driving gear 62, the top of the supporting plate 4 is fixedly connected with a rack 63, and the driving gear 62 is in meshing transmission with the rack 63.
[0027] When the sealing detection of the exhaust pipe is carried out, the cleaning assembly 5 is driven by the driving assembly 6 to move left and right to clean the surface of the exhaust pipe, and the cleaning brush 55 rotates on the surface of the exhaust pipe during cleaning, which is helpful to improve the accuracy of the sealing detection result and improve the practicability of the device in use.
[0028] The second embodiment is different from the first embodiment in that the installation assembly 54 comprises two upper and lower through grooves 541 opened in the inside of the driven gear 53, the inner surfaces of the two through grooves 541 are slidably connected with limiting rods 542, the left side of the driven gear 53 is fixedly connected with two fixed seats 543, the insides of the two fixed seats 543 are slidably connected with T-shaped slide rods 544, one end of each of the two T-shaped slide rods 544 is fixedly connected with the two limiting rods 542, a limiting spring 545 is fixedly connected between the end of the T-shaped slide rod 544 and the fixed seat 543, the right side of the driven gear 53 is fixedly connected with four positioning rods 546, the inside of the cleaning brush 55 is provided with positioning grooves 548 corresponding in position to the positioning rods 546, and the inside of the cleaning brush 55 is further provided with insertion grooves 547 corresponding in position to the two limiting rods 542.
[0029] The cleaning brush 55 in the cleaning assembly 5 is installed through the mounting assembly 54, so that when the cleaning brush 55 needs to be replaced or cleaned, the operation can be quickly performed, and the convenience of the device during use is improved.
[0030] In use, the exhaust pipe is inserted between the two sealing joints 7, and when inserted, the exhaust pipe passes from the inside of the cleaning brush 55, the driving motor 56 is started to rotate the driving gear 57, the driving gear 57 rotates and drives the driven gear 53, the driven gear 53 rotates and drives the cleaning brush 55 to rotate, the cleaning brush 55 rotates and cleans the surface of the exhaust pipe, at the same time, the input motor 61 is started to rotate the driving gear 62, and under the cooperation of the rack 63, the vertical plate 52 is moved, so that the surface of the exhaust pipe is detected while the cleaning brush 55 rotates, and when the cleaning brush 55 needs to be disassembled, the two T-shaped slide rods 544 are pressed, so that the two limiting rods 542 are aligned with the insertion slot 547, at this time, the cleaning brush 55 can be pulled out.
[0031] It should be noted that in this text, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed, or includes elements inherent to such process, method, article or equipment.
[0032] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A kind of automobile exhaust pipe air tightness detection device, including bottom plate (1), the top of the bottom plate (1) is fixedly connected with gantry (2), characterized by: The inside of the portal frame (2) is provided with a lifting assembly (3), and a supporting plate (4) is installed on the lifting assembly (3), the lower side of the supporting plate (4) is provided with two left and right sealing joints (7) for sealing detection of the exhaust pipe, the upper side of the bottom plate (1) is placed with a detection pool (8), and the supporting plate (4) is provided with a cleaning mechanism for cleaning the surface of the exhaust pipe, the cleaning mechanism comprises a cleaning assembly (5) and a moving assembly (6). The cleaning assembly (5) comprises a chute (51) opened in the supporting plate (4), the inner surface of the chute (51) is slidably connected with a vertical downward vertical plate (52), the left side of the vertical plate (52) is rotatably connected with a driven gear (53), the driven gear (53) is installed with a cleaning brush (55) through a mounting assembly (54), and the moving assembly (6) is used for driving the vertical plate (52) to move left and right and cleaning the surface of the exhaust pipe under the rotation of the cleaning brush (55).
2. The automobile exhaust pipe air tightness detection device according to claim 1, characterized in that: The right side of the vertical plate (52) is fixedly connected with a driving motor (56), the output end of the driving motor (56) penetrates through the vertical plate (52) and extends to the left side of the vertical plate (52), and the output end of the driving motor (56) is fixedly connected with a driving gear (57), and the driving gear (57) is in meshing transmission with the driven gear (53).
3. The automobile exhaust pipe air tightness detection device according to claim 1, characterized in that: The mounting assembly (54) comprises two upper and lower through grooves (541) opened in the inside of the driven gear (53), the inner surfaces of the two through grooves (541) are slidably connected with limiting rods (542), and the left side of the driven gear (53) is fixedly connected with two upper and lower fixed seats (543).
4. The automobile exhaust pipe air tightness detection device according to claim 3, characterized in that: The inside of the two fixed seats (543) is slidably connected with T-shaped slide rods (544), one end of the two T-shaped slide rods (544) is fixedly connected with the two limiting rods (542) respectively, and the end of the T-shaped slide rod (544) is fixedly connected with the limiting spring (545) between the fixed seat (543).
5. The automobile exhaust pipe air tightness detection device according to claim 3, characterized in that: The right side of the driven gear (53) is fixedly connected with four positioning rods (546), the inside of the cleaning brush (55) is provided with a positioning groove (548) corresponding to the position of the positioning rod (546), and the inside of the cleaning brush (55) is also provided with an insertion groove (547) corresponding to the position of the two limiting rods (542).
6. The automobile exhaust pipe air tightness detection device according to claim 1, characterized in that: The moving assembly (6) comprises an input motor (61), the input motor (61) is fixedly connected with the top of the vertical plate (52) through a support, the output end of the input motor (61) is fixedly connected with a driving gear (62), the top of the supporting plate (4) is fixedly connected with a rack (63), and the driving gear (62) is in meshing transmission with the rack (63).
Citation Information
Patent Citations
Air tightness detection device for automobile exhaust pipe
CN220063322U