CN112855326A - Fixing device of external long tail pipe of FSC racing car exhaust system - Google Patents
Fixing device of external long tail pipe of FSC racing car exhaust system Download PDFInfo
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- CN112855326A CN112855326A CN202110048979.XA CN202110048979A CN112855326A CN 112855326 A CN112855326 A CN 112855326A CN 202110048979 A CN202110048979 A CN 202110048979A CN 112855326 A CN112855326 A CN 112855326A
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- fixed shell
- racing car
- tail pipe
- wall
- clamping
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- 238000007789 sealing Methods 0.000 claims description 47
- 230000005540 biological transmission Effects 0.000 claims description 18
- 238000009413 insulation Methods 0.000 claims description 6
- 229920000742 Cotton Polymers 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000003139 buffering effect Effects 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1838—Construction facilitating manufacture, assembly, or disassembly characterised by the type of connection between parts of exhaust or silencing apparatus, e.g. between housing and tubes, between tubes and baffles
- F01N13/1844—Mechanical joints
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/08—Other arrangements or adaptations of exhaust conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/14—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00 having thermal insulation
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/16—Selection of particular materials
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/18—Construction facilitating manufacture, assembly, or disassembly
- F01N13/1805—Fixing exhaust manifolds, exhaust pipes or pipe sections to each other, to engine or to vehicle body
- F01N13/1827—Sealings specially adapted for exhaust systems
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01H—MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC OR INFRASONIC WAVES
- G01H17/00—Measuring mechanical vibrations or ultrasonic, sonic or infrasonic waves, not provided for in the preceding groups
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses a fixing device of an externally-connected long tail pipe of an exhaust system of an FSC racing car, which comprises a fixed shell, a clamping component, a switching component and a supporting and limiting component, wherein the switching component is arranged in the middle of the fixed shell, the outer surface of the switching component is fixedly connected with the inner wall of the fixed shell through a plurality of support columns, the supporting and limiting components are uniformly and circumferentially distributed on the inner wall of the left end of the fixed shell, the clamping component is arranged at the right end of the fixed shell, partial external threads are distributed on the left half part of the side surface of the fixed shell, and a limiting threaded sleeve is meshed on the external threads; the supporting and limiting assembly can elastically stretch and retract along the radial direction relative to the fixed shell; the clamping components are uniformly and circumferentially arranged on the inner wall of the fixed shell and can elastically clamp the tail pipe of the racing car; the major diameter of the thread of the external thread is equal to the outer diameter of the fixed shell.
Description
Technical Field
The invention belongs to the technical field of racing car test fixing devices, and particularly relates to a fixing device for an externally-connected long tail pipe of an exhaust system of an FSC racing car.
Background
In the development process of the racing car exhaust system, a tail pipe radiation noise test is required to be carried out on the racing car exhaust system for checking the contribution degree of the exhaust system to low-frequency rumbling in a car, because the background noise of the test is influenced by a plurality of external factors such as places, weather and the like, the background noise test is required to be carried out synchronously in each test so as to evaluate the influence of the background noise on a test result, and a sound source is led to a far place by adopting a mode of externally extending a tail pipe at the tail pipe opening of the exhaust system, so that the tail pipe radiation noise shielding of the exhaust system is realized; the connection between the external long tail pipe and the tail pipe of the automobile is realized through a fixing device, however, according to investigation, the fixing device of the external long tail pipe of the existing racing car exhaust system has the following problems:
1. the external long tail pipe and the racing car tail pipe are fixedly communicated in a welding and bundling mode, the welding mode makes disassembly difficult, the racing car tail pipe can be damaged, and the bundling mode has poor stability and is easy to fall off;
2. the fixing device is single in structure, stable clamping and fixing of the racing car tail pipes with different outer diameters cannot be achieved, and a heat insulation assembly is not arranged, so that heat generated by the racing car tail pipes is transferred to the fixing device, the fixing device can be disassembled after being completely cooled after a test is finished, the working efficiency is reduced, and meanwhile, the fixing device with higher temperature is directly exposed to the outside, and great potential safety hazards exist;
3. the tail pipe is sealed only by the sealing ring at the joint of the external long tail pipe and the tail pipe of the racing car, and the tail pipe is not supported by enough pressing force, so that the sealing effect is poor, the tail gas is leaked, and the test data is influenced.
Accordingly, one skilled in the art provides a fixture for an extended tail pipe of an exhaust system of an FSC racing car to solve the above-mentioned problems of the background art.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: a fixing device of an externally-connected long tail pipe of an exhaust system of an FSC racing car comprises a fixing shell, a clamping component, a switching component and a supporting and limiting component, wherein the switching component is arranged in the middle of the fixing shell, the outer surface of the switching component is fixedly connected with the inner wall of the fixing shell through a plurality of supporting columns, the supporting and limiting component is uniformly and circumferentially distributed on the inner wall of the left end of the fixing shell, the clamping component is arranged at the right end of the fixing shell, partial external threads are distributed on the left half part of the side surface of the fixing shell, and a limiting screw sleeve is meshed on the external threads;
the supporting and limiting assembly can elastically stretch and retract along the radial direction relative to the fixed shell;
the clamping components are uniformly and circumferentially arranged on the inner wall of the fixed shell and can elastically clamp the tail pipe of the racing car;
the major diameter of the thread of the external thread is equal to the outer diameter of the fixed shell.
Further, preferably, the clamping assembly comprises a chuck, a transmission assembly and a connecting plate, the chuck is rotatably arranged at the right end of the connecting plate, and the right end of the transmission assembly is rotatably connected with one side, close to the inner wall of the fixed shell, of the left end of the connecting plate;
one side of the left end of the connecting plate, which is far away from the inner wall of the fixed shell, is rotatably arranged on the annular limiting rod, and the annular limiting rod is fixedly connected with the inner wall of the fixed shell through a plurality of fixing columns.
Preferably, the chuck comprises a hanging plate, a clamping plate and telescopic rods, a plurality of telescopic rods are symmetrically arranged on the lower end surface of the hanging plate in the front, back, left and right directions, and the clamping plate is fixedly arranged at the tail ends of telescopic shafts of the telescopic rods;
a second spring is sleeved on each telescopic shaft of the telescopic rods, and the elastic coefficient of the second spring close to the right end of the fixed shell is larger than that of the second spring far away from the right end of the fixed shell;
the cross section of the clamping plate is of an arc-shaped structure.
Further, preferably, elastic heat insulation cotton is paved on the arc-shaped surface of the clamping plate, which is far away from the inner wall of the fixed shell.
Further, preferably, the transmission assembly comprises an annular sliding sleeve, a first spring and a transmission rod, a plurality of extending parts which are formed by extending towards one side close to the adapter assembly are circumferentially distributed on the inner wall of the annular sliding sleeve, the left end of each extending part is connected with the fixed shell in a sliding mode through the first spring, and the transmission rod is rotatably arranged on the right side of each extending part;
concave-convex anti-skid textures are arranged on the outer surface of the annular sliding sleeve;
the number and the position of the plurality of the extending parts are matched with those of the clamping heads.
Further, preferably, the adapter assembly comprises an adapter sleeve, a connecting middle pipe and a sealing disc body, wherein the adapter sleeve is fixedly installed at the left end of the connecting middle pipe, and the sealing disc body is arranged at the right end of the connecting middle pipe;
the middle parts of the adapter sleeve, the connecting middle pipe and the sealing disc body are communicated with each other;
the sealing disc body is in a transverse horn-shaped structure, and the diameter of a left end port of the sealing disc body is smaller than that of a right end port of the sealing disc body.
Further, as preferred, the inner wall of the sealing tray body is paved with a layer of elastic sealing gasket, the elastic sealing gasket is made of high-temperature resistant materials, and the cross section of the elastic sealing gasket is of a corrugated structure.
Further, preferably, the supporting and limiting assembly comprises a guide plate, a support plate and an adjusting rod, the right end of the guide plate is rotatably arranged at the left end of the support plate through a torsion spring, and the lower end face of the support plate is fixedly connected with the inner wall of the fixed shell through the adjusting rod;
the end surface of one side of the supporting plate, which is far away from the fixed shell, is of a cambered surface structure;
a third spring is sleeved on a telescopic shaft of the adjusting rod;
the guide plate and the left end are obliquely arranged towards one side close to the inner wall of the left end of the fixed shell.
Compared with the prior art, the invention has the beneficial effects that:
1. in the equipment, the tail pipe of the racing car is elastically clamped by the plurality of clamping components arranged on the circumference, and the clamping components are limited and fixed by the limiting screw sleeves, so that the clamping components are prevented from falling off due to shaking generated in the working state of the racing car, and the stability of the equipment is improved;
2. in the clamping assembly, the opening and closing degree between the chucks can be controlled through the transverse sliding of the annular sliding sleeve, so that the racing car tail pipe clamping device is suitable for stably clamping racing car tail pipes with different outer diameters, and in addition, heat insulation cotton is laid on the surface of the clamping plate and used for preventing heat generated by the racing car tail pipe from being transferred to the fixed shell, so that the device can be detached at any time, and the working efficiency and the safety are improved;
3. in the switching assembly, a corrugated elastic sealing gasket is laid on the inner wall of the sealing disc body, meanwhile, the sealing disc body is in a transverse horn-shaped structure so as to adapt to the sealing work of the racing car tail pipes with different outer diameters, in the connecting process, an operator stretches the racing car tail pipe into the sealing disc body and generates certain pressure, and under the combined action of the clamping assembly and the limiting screw sleeve, certain pressure is always kept between the racing car tail pipe and the sealing disc body, so that the sealing effect is improved;
drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of the clamping assembly of the present invention;
FIG. 3 is a schematic view of an adapter assembly according to the present invention;
FIG. 4 is an enlarged schematic view of the structure at A of the present invention;
in the figure: 1. a stationary housing; 2. a clamping assembly; 21. a chuck; 211. a hanger plate; 212. a splint; 213. a telescopic rod; 22. a transmission assembly; 221. an annular sliding sleeve; 222. a first spring; 223. a transmission rod; 23. a connecting plate; 231. an annular stop lever; 232. fixing a column; 3. a switching component; 31. adapting a sleeve; 32. connecting a middle pipe; 33. sealing the tray body; 331. an elastic sealing gasket; 4. supporting and limiting components; 41 a guide plate; 42. a support plate; 43. adjusting a rod; 5. a pillar; 6. a limiting threaded sleeve.
Detailed Description
Referring to fig. 1, in the embodiment of the present invention, a fixing device for an external extended tail pipe of an exhaust system of an FSC racing car includes a fixed housing 1, a clamping assembly 2, an adapter assembly 3, and a supporting and limiting assembly 4, wherein the adapter assembly 3 is disposed in the middle of the fixed housing 1, the outer surface of the adapter assembly 3 is fixedly connected to the inner wall of the fixed housing 1 through a plurality of pillars 5, the supporting and limiting assemblies 4 are uniformly and circumferentially distributed on the inner wall of the left end of the fixed housing 1, the clamping assembly 2 is disposed at the right end of the fixed housing 1, partial external threads are distributed on the left half portion of the side surface of the fixed housing 1, and a limiting screw sleeve 6 is engaged with the external threads;
the supporting and limiting component 4 can elastically stretch out and draw back along the radial direction relative to the fixed shell 1, namely, when the device is connected with a long tail pipe, the supporting and limiting component 4 plays a certain supporting and buffering role on the connection part of the long tail pipe and the tail pipe of the racing car, so that the damage of jitter generated in the working process of the racing car to the connection point is reduced, and the stability is improved;
the clamping components 2 are uniformly and circumferentially arranged on the inner wall of the fixed shell 1 and can elastically clamp the tail pipe of the racing car, so that the direct contact part of the clamping components and the tail pipe of the racing car in the device is in elastic contact, the vibration generated in the working process of the racing car can be effectively buffered, and the tail pipe of the racing car is prevented from being damaged due to rigid contact;
the major diameter of the external thread is equal to the outer diameter of the fixed shell 1, so that the limiting screw sleeve 6 can slide on the part without the external thread, and the annular sliding sleeve 221 is locked.
In this embodiment, the clamping assembly 2 includes a chuck 21, a transmission assembly 22 and a connecting plate 23, the chuck 21 is rotatably disposed at the right end of the connecting plate 23, and the right end of the transmission assembly 22 is rotatably connected to one side of the left end of the connecting plate 23, which is close to the inner wall of the fixed housing 1;
one side of the left end of the connecting plate 23, which is far away from the inner wall of the fixed shell 1, is rotatably arranged on the annular limiting rod 231, and the annular limiting rod 231 is fixedly connected with the inner wall of the fixed shell 1 through a plurality of fixing columns 232.
Referring to fig. 2, as a preferred embodiment, the clamping head 21 includes a hanging plate 211, a clamping plate 212 and a plurality of telescopic rods 213, the front, the back, the left and the right of the lower end surface of the hanging plate 211 are respectively and symmetrically provided with the plurality of telescopic rods 213, and the clamping plate 212 is fixedly installed at the tail ends of the telescopic shafts of the plurality of telescopic rods 213;
the second springs are sleeved on the telescopic shafts of the telescopic rods 213, and the elastic coefficient of the second springs close to the right end of the fixed shell 1 is larger than that of the second springs far away from the right end of the fixed shell 1, that is, in a natural state, the clamping plate 212 is in an inclined state along the axis direction of the fixed shell 1, and one side close to the right end of the fixed shell 1 is a higher end, so that the opening of one side of the clamping plate 212 close to the right end of the fixed shell 1 is larger, and the racing car tail pipe can enter the fixed shell 1 from the right end of the device more smoothly;
the cross section of the clamping plate 212 is of an arc-shaped structure.
In this embodiment, splint 212 is kept away from the arc surface upper berth of fixed casing 1 inner wall and is equipped with the thermal insulation of elasticity cotton, the thermal insulation of elasticity cotton is used for the heat that separation racing car tail pipe produced to fixed casing 1 transmission on the one hand for the temperature of fixed casing 1 is close with the ambient temperature that locates all the time, thereby makes this device dismantle at any time after experimental the end, has improved the security simultaneously, and on the other hand is used for buffering the shake that the racing car produced, improves holistic stability.
In this embodiment, the transmission assembly 22 includes an annular sliding sleeve 221, a first spring 222 and a transmission rod 223, a plurality of extending portions extending to a side close to the adaptor assembly 3 are circumferentially distributed on an inner wall of the annular sliding sleeve 221, a left end of the extending portion is slidably connected with the fixed housing 1 through the first spring 222, and the transmission rod 223 is rotatably disposed on a right side of the extending portion;
concave-convex anti-skid textures are arranged on the outer surface of the annular sliding sleeve 221 and used for increasing friction force, so that workers can pull the annular sliding sleeve 221 more conveniently;
the number and position of the plurality of said extensions match the number and position of the collets 21.
Referring to fig. 3, in the present embodiment, the adapter assembly 3 includes an adapter sleeve 31, a connecting middle tube 32 and a sealing disc 33, the adapter sleeve 31 is fixedly installed at the left end of the connecting middle tube 32, and the sealing disc 33 is disposed at the right end of the connecting middle tube 32;
the middle parts of the adapter sleeve 31, the connecting middle pipe 32 and the sealing disc body 33 are communicated with each other;
the sealing disc body 33 is in a transverse horn-shaped structure, the diameter of a left end port of the sealing disc body 33 is smaller than that of a right end port of the sealing disc body, and the sealing disc body 33 in the horn-shaped structure can achieve a good sealing effect on racing car tail pipes with different outer diameters.
In a preferred embodiment, a layer of elastic sealing pad 331 is laid on the inner wall of the sealing disc body 33, the elastic sealing pad 331 is made of a high temperature resistant material, and the cross section of the elastic sealing pad 331 is of a corrugated structure.
Referring to fig. 4, in the present embodiment, the supporting and limiting assembly 4 includes a guide plate 41, a support plate 42 and an adjusting rod 43, the right end of the guide plate 41 is rotatably disposed at the left end of the support plate 42 through a torsion spring, and the lower end surface of the support plate 42 is fixedly connected to the inner wall of the fixed housing 1 through the adjusting rod 43;
the end surface of one side of the supporting plate 42, which is far away from the fixed shell 1, is of a cambered surface structure;
a third spring is sleeved on the telescopic shaft of the adjusting rod 43;
the left end that deflector 41 and left end set up to the lopsidedness that is close to fixed casing 1 left end inner wall, and deflector 41 that the slope set up can play the effect of direction to the long tailduct that stretches into in fixed casing 1 for the whole process that the long tailduct stretches into in fixed casing 1 is more smooth and easy.
Specifically, firstly, a worker rotates a limit screw sleeve to the leftmost end, then, an annular sliding sleeve is pulled to the leftmost end, meanwhile, a tail pipe of the racing car extends into the right end opening of a fixed shell, when the tail pipe of the racing car is contacted with a sealing disc body, the tail pipe of the racing car is continuously pushed forward, so that the tail pipe of the racing car and an elastic sealing gasket on the sealing disc body have certain pressure, the sealing effect is improved, then, the annular sliding sleeve is loosened, the limit screw sleeve is rotated to be moved towards the annular sliding sleeve until the limit screw sleeve is completely screwed, finally, one end of an external long tail pipe extends into the left side of the fixed shell and is communicated with a switching sleeve in a switching assembly, then, the racing car can be started and tested, after the test is finished, the long tail pipe is firstly disassembled, then, the limit screw sleeve is rotated to the leftmost end, in order to facilitate the separation of the device and the tail pipe of the racing car, the, finally, the whole device is pulled out leftwards.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent substitutions or changes according to the technical solution and the inventive concept of the present invention should be covered by the scope of the present invention.
Claims (8)
1. A fixture for an extended tail pipe of an exhaust system of an FSC racing car, comprising: fixed casing (1), clamping component (2), switching subassembly (3) and support spacing subassembly (4), wherein, the middle part of fixed casing (1) is provided with switching subassembly (3), just, the inner wall looks fixed connection through a plurality of pillars (5) and fixed casing (1) on the surface of switching subassembly (3), support spacing subassembly (4) even circumference and distribute on the inner wall of fixed casing (1) left end, the right-hand member of fixed casing (1) is provided with clamping component (2), its characterized in that: partial external threads are distributed on the left half part of the side surface of the fixed shell (1), and a limiting threaded sleeve (6) is meshed on the external threads;
the supporting and limiting assembly (4) can elastically stretch out and draw back along the radial direction relative to the fixed shell (1);
the clamping components (2) are uniformly and circumferentially arranged on the inner wall of the fixed shell (1) and can elastically clamp the tail pipe of the racing car;
the major diameter of the thread of the external thread is equal to the outer diameter of the fixed shell (1).
2. The device for fixing the extended tail pipe outside the exhaust system of the FSC racing car as claimed in claim 1, wherein: the clamping assembly (2) comprises a chuck (21), a transmission assembly (22) and a connecting plate (23), the chuck (21) is rotatably arranged at the right end of the connecting plate (23), and the right end of the transmission assembly (22) is rotatably connected with one side, close to the inner wall of the fixed shell (1), of the left end of the connecting plate (23);
one side of the left end of the connecting plate (23), which is far away from the inner wall of the fixed shell (1), is rotatably arranged on the annular limiting rod (231), and the annular limiting rod (231) is fixedly connected with the inner wall of the fixed shell (1) through a plurality of fixed columns (232).
3. The device for fixing the extended tail pipe outside the exhaust system of the FSC racing car as claimed in claim 2, wherein: the clamping head (21) comprises a hanging plate (211), clamping plates (212) and telescopic rods (213), a plurality of telescopic rods (213) are symmetrically arranged on the lower end surface of the hanging plate (211) in a front-back left-right mode, and the clamping plates (212) are fixedly mounted at the tail ends of telescopic shafts of the telescopic rods (213);
a second spring is sleeved on each telescopic shaft of the telescopic rods (213), and the elastic coefficient of the second spring close to the right end of the fixed shell (1) is larger than that of the second spring far away from the right end of the fixed shell (1);
the cross section of the clamping plate (212) is of an arc-shaped structure.
4. The device for fixing the extended tail pipe of the exhaust system of the FSC racing car as claimed in claim 3, wherein: elastic heat insulation cotton is paved on the arc-shaped surface of the clamping plate (212) far away from the inner wall of the fixed shell (1).
5. The device for fixing the extended tail pipe outside the exhaust system of the FSC racing car as claimed in claim 2, wherein: the transmission assembly (22) comprises an annular sliding sleeve (221), a first spring (222) and a transmission rod (223), a plurality of extending parts which are formed by extending towards one side close to the switching assembly (3) are circumferentially distributed on the inner wall of the annular sliding sleeve (221), the left end of each extending part is connected with the fixed shell (1) in a sliding mode through the first spring (222), and the transmission rod (223) is rotatably arranged on the right side of each extending part;
concave-convex anti-skid textures are arranged on the outer surface of the annular sliding sleeve (221);
the number and the position of the plurality of the extension parts are matched with those of the clamping heads (21).
6. The device for fixing the extended tail pipe outside the exhaust system of the FSC racing car as claimed in claim 1, wherein: the adapter assembly (3) comprises an adapter sleeve (31), a connecting middle pipe (32) and a sealing disc body (33), the adapter sleeve (31) is fixedly installed at the left end of the connecting middle pipe (32), and the sealing disc body (33) is arranged at the right end of the connecting middle pipe (32);
the middle parts of the adapter sleeve (31), the connecting middle pipe (32) and the sealing disc body (33) are communicated with each other;
the sealing disc body (33) is in a transverse horn-shaped structure, and the diameter of a left end port of the sealing disc body is smaller than that of a right end port of the sealing disc body.
7. The device for fixing the extended tail pipe of the exhaust system of the FSC racing car as claimed in claim 6, wherein: a layer of elastic sealing gasket (331) is laid on the inner wall of the sealing disc body (33), the elastic sealing gasket (331) is made of high-temperature-resistant materials, and the cross section of the elastic sealing gasket is of a corrugated structure.
8. The device for fixing the extended tail pipe outside the exhaust system of the FSC racing car as claimed in claim 1, wherein: the supporting and limiting assembly (4) comprises a guide plate (41), a supporting plate (42) and an adjusting rod (43), the right end of the guide plate (41) is rotatably arranged at the left end of the supporting plate (42) through a torsion spring, and the lower end face of the supporting plate (42) is fixedly connected with the inner wall of the fixed shell (1) through the adjusting rod (43);
the end face of one side, away from the fixed shell (1), of the supporting plate (42) is of an arc surface structure;
a third spring is sleeved on a telescopic shaft of the adjusting rod (43);
the left end of the guide plate (41) is obliquely arranged towards one side close to the inner wall of the left end of the fixed shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110048979.XA CN112855326B (en) | 2021-01-14 | 2021-01-14 | Fixing device of external long tail pipe of FSC racing car exhaust system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110048979.XA CN112855326B (en) | 2021-01-14 | 2021-01-14 | Fixing device of external long tail pipe of FSC racing car exhaust system |
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| CN112855326A true CN112855326A (en) | 2021-05-28 |
| CN112855326B CN112855326B (en) | 2022-03-01 |
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| CN202110048979.XA Expired - Fee Related CN112855326B (en) | 2021-01-14 | 2021-01-14 | Fixing device of external long tail pipe of FSC racing car exhaust system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117189312A (en) * | 2023-08-30 | 2023-12-08 | 泰州长力树脂管有限公司 | Anti-interference heating urea pipe |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5374086A (en) * | 1992-07-29 | 1994-12-20 | Creative Industries Group, Inc. | Ball joint seal for vehicle exhaust system |
| CN107907338A (en) * | 2017-11-30 | 2018-04-13 | 南宁学院 | A kind of tailpipe attachment device for engine rig test |
| CN209131107U (en) * | 2018-10-23 | 2019-07-19 | 天德丰(天津)科技有限公司 | A kind of fixed device of clarifier exhaust pipe |
| CN209687587U (en) * | 2019-04-15 | 2019-11-26 | 四川南部县聚力机械有限公司 | One kind is for the fixed bracket of car exhaust pipe |
| CN211667352U (en) * | 2019-12-25 | 2020-10-13 | 泰兴市神龙橡胶制品有限公司 | Oil-resistant pipe assembly connecting device with sewage discharge valve |
-
2021
- 2021-01-14 CN CN202110048979.XA patent/CN112855326B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5374086A (en) * | 1992-07-29 | 1994-12-20 | Creative Industries Group, Inc. | Ball joint seal for vehicle exhaust system |
| CN107907338A (en) * | 2017-11-30 | 2018-04-13 | 南宁学院 | A kind of tailpipe attachment device for engine rig test |
| CN209131107U (en) * | 2018-10-23 | 2019-07-19 | 天德丰(天津)科技有限公司 | A kind of fixed device of clarifier exhaust pipe |
| CN209687587U (en) * | 2019-04-15 | 2019-11-26 | 四川南部县聚力机械有限公司 | One kind is for the fixed bracket of car exhaust pipe |
| CN211667352U (en) * | 2019-12-25 | 2020-10-13 | 泰兴市神龙橡胶制品有限公司 | Oil-resistant pipe assembly connecting device with sewage discharge valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117189312A (en) * | 2023-08-30 | 2023-12-08 | 泰州长力树脂管有限公司 | Anti-interference heating urea pipe |
| CN117189312B (en) * | 2023-08-30 | 2024-02-20 | 泰州长力树脂管有限公司 | Anti-interference heating urea pipe |
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| Publication number | Publication date |
|---|---|
| CN112855326B (en) | 2022-03-01 |
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