Sealing device for communication position of automobile exhaust pipe
Technical Field
The invention relates to the technical field of exhaust pipe sealing devices, in particular to a sealing device for a communication part of an automobile exhaust pipe.
Background
The exhaust pipe is arranged between the exhaust pipe of the engine and the silencer, so that the whole exhaust system is in flexible connection, and the effects of reducing vibration and noise, facilitating installation and prolonging the service life of the exhaust silencing system are achieved. The exhaust pipe is mainly used for light vehicles, mini vehicles and passenger vehicles, and motorcycles, the exhaust pipe structure is a structure that a double-layer corrugated pipe is externally coated with a steel wire mesh sleeve, and straight sections at two ends are externally coated with snap rings, in order to ensure better noise elimination effect, an expansion joint or a mesh sleeve can be matched in the corrugated pipe, the exhaust pipe is mainly made of stainless steel, a clamping sleeve and a connecting pipe can be made of stainless steel or aluminized steel, automobile exhaust can be discharged into the atmosphere after being treated, one end of the exhaust pipe leaks gas, the exhaust gas discharged into the atmosphere is directly caused to be discharged without being treated, but the temperature change of the exhaust pipe is severe, the maximum temperature of the exhaust pipe exceeds 500 ℃, the automobile working condition is complex, the exhaust pipe can be ensured to reach the standard only by completely sealing the exhaust pipe, but the existing automobile exhaust pipe communication part is generally fixedly sealed by welding, the temperature of the communication part of the two is, the sealing performance is poor.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the sealing device at the communication position of the automobile exhaust pipe, which can cool the position where the engine is connected with the exhaust pipe, reduce the temperature of the connection position of the engine and the exhaust pipe, prolong the service life of the sealing device, fill the air leakage position when air leakage occurs at the connection position between the exhaust pipe and the engine, and improve the sealing performance of the sealing device.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a sealing device for the communication part of an automobile exhaust pipe comprises an engine, the exhaust pipe and a connecting ring, wherein one end of the exhaust pipe is positioned in the engine, the connecting ring wraps the outer surface of the exhaust pipe and is tightly attached to the side surface of the engine, a gasket is fixedly arranged at one side of the inner surface of the connecting ring, a fixed pipe is fixedly arranged at the outer surface of one end of the exhaust pipe positioned in the engine, a fixed groove is formed in the position, close to the fixed pipe, of the engine, the fixed pipe is fixedly arranged in the fixed groove, a fixed ring is fixedly arranged at the position, in contact with the engine, of the connecting ring and the gasket, a limiting groove is formed in the connecting ring after the connecting ring is fixedly connected with the gasket, a storage cavity is formed in the connecting ring, a through hole is formed in the position, at the upper end of the inner surface of the, the utility model discloses a rubber strip, including rubber strip, mounting strip, T-shaped groove, movable groove, connecting strip, T-shaped strip is constituteed to one side surface intermediate position fixed mounting of rubber strip has the connecting strip, and the connecting strip keeps away from one side surface fixed mounting of rubber strip and has the mounting strip, the T-shaped groove has been seted up to the inside of spacing groove, and T-shaped inslot wall is close to the outside position and has seted up movable groove, T-shaped strip is constituteed.
Preferably, the outer surface of the upper end of the blocking column is fixedly connected with a sealing cover, and an annular buckle is fixedly arranged in the middle of the outer surface of the upper end of the sealing cover.
Preferably, the height of the rubber strip is matched with the depth of the limiting groove, and the exhaust pipe is tightly attached to the inner side face of the rubber strip.
Preferably, a clamping block is fixedly arranged in the middle of the outer surface of one end of the mounting bar, and a clamping groove is formed in the mounting bar in a position opposite to the clamping block.
Preferably, the fixture block and the clamping groove are in interference fit, and a sealing ring is glued between the fixture block and the clamping groove.
Preferably, the mounting strip and the connecting strip form a T-shaped strip, the T-shaped strip is located inside the T-shaped groove, and the position where the clamping block is in contact with the clamping groove is located inside the movable groove.
Preferably, the contact positions of the two ends of the rubber strip and the contact positions of the clamping blocks and the clamping grooves are fixed in a welding mode.
Preferably, the blocking column and the sealing cover are integrated components, and a sealing sleeve is fixedly mounted on the outer surface of the blocking column.
(III) advantageous effects
The invention provides a sealing device for a communication part of an automobile exhaust pipe, which has the following beneficial effects:
(1) this sealing device of vehicle vent-pipe intercommunication department, pour into cooling liquid into to depositing the chamber through the through-hole, and the annular of holding between the fingers by the hand is detained, the stifled post that will have the seal cover is inserted in the through-hole, the through-hole makes fixedly between the two with stifled post interference fit, make sealed lid seal up the position of post and through-hole contact, and increase the inside volume of stifled post packing through-hole through the seal cover, thereby increase the leakproofness of stifled post to the through-hole, can cool off the position that engine and blast pipe are connected through depositing the cooling liquid in the chamber, reduce both hookup location's temperature, the fixed life-span of connection structure between the extension two.
(2) This sealing device of vehicle vent-pipe intercommunication department, the T shape strip that constitutes mounting bar and connecting strip from the position of activity groove inserts the inside in T-slot, and the one end of pulling T shape strip makes its inside removal in T-slot, make it contact with the other end of T shape strip, and insert the fixture block in the draw-in groove, thereby fix the both ends of T shape strip together, and make T shape strip be located the inside in T-slot, and then will be through the connecting strip with the rubber strip that the mounting bar is connected hug closely fix on the inner wall of spacing groove, when can take place to leak gas in the hookup location between blast pipe and engine, utilize the rubber strip to have elastic principle and fill the position of leaking gas, and then increase this sealing device's sealing performance.
(3) This sealing device of vehicle vent-pipe intercommunication department, packing ring and clamping ring integration component, place between one side surface of blast pipe and engine with what the packing ring was hugged closely, and make the clamping ring be located between solid fixed tube and the blast pipe, prevent the condition that takes place to drop between the two, the solid fixed ring is made through adopting relevant metal material welding, fix the solid fixed tube in the fixed slot on the engine, seal the blast pipe through the welded solid fixed ring with the position of engine contact, cooperate the clamping ring combined action again, can effectually increase the stability of being connected between blast pipe and the engine.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a mating view of the coupling ring and washer of the present invention;
FIG. 3 is a view of the engine of the present invention in cooperation with an exhaust pipe;
FIG. 4 is a mating view of the coupling ring and washer of the present invention;
FIG. 5 is a partial schematic view of a coupling ring of the present invention;
FIG. 6 is a view of the rubber strip of the present invention mated with a connecting strip;
FIG. 7 is a view of the mounting bar of the present invention in cooperation with a connecting bar;
FIG. 8 is a view of the sealing cap of the present invention in cooperation with a post;
in the figure: 1. an engine; 2. an exhaust pipe; 3. a connecting ring; 4. a gasket; 5. fixing grooves; 6. a fixed tube; 7. a stationary ring; 8. a limiting groove; 9. a storage chamber; 10. a rubber strip; 11. a movable groove; 12. a T-shaped slot; 13. mounting a bar; 14. a connecting strip; 15. a clamping block; 16. a card slot; 17. a through hole; 18. an annular buckle; 19. a sealing cover; 20. and (5) plugging the column.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-8, the present invention provides a technical solution: a sealing device for a communication part of an automobile exhaust pipe comprises an engine 1, an exhaust pipe 2 and a connecting ring 3, wherein one end of the exhaust pipe 2 is positioned in the engine 1, the connecting ring 3 is wrapped on the outer surface of the exhaust pipe 2 and tightly attached to the side surface of the engine 1, and a gasket 4 is fixedly arranged at one side of the inner surface of the connecting ring 3;
as shown in fig. 3-4, a fixing tube 6 is fixedly mounted on the outer surface of one end of the exhaust pipe 2 located inside the engine 1, a fixing groove 5 is formed in a position of the engine 1 close to the fixing tube 6, the fixing tube 6 is fixedly mounted inside the fixing groove 5, a fixing ring 7 is fixedly mounted at a position where the connecting ring 3 contacts with the engine 1, a limiting groove 8 is formed in the connecting ring 3 after the connecting ring 3 is fixedly connected with the gasket 4, and a rubber strip 10 is arranged on the inner surface close to the limiting groove 8;
as shown in fig. 5-6, the connecting ring 3 is provided with a storage cavity 9 inside, a through hole 17 is formed at the upper end of the inner surface of the storage cavity 9, a blocking column 20 is arranged inside the through hole 17, a connecting strip 14 is fixedly installed at the middle position of the outer surface of one side of the rubber strip 10, a mounting strip 13 is fixedly installed at the outer surface of one side of the connecting strip 14 far away from the rubber strip 10, a T-shaped groove 12 is formed inside the limiting groove 8, and a movable groove 11 is formed at the position of the inner wall of the T-shaped groove 12 close to the.
As shown in fig. 7-8, a sealing cover 19 is fixedly connected to the outer surface of the upper end of the blocking column 20, and an annular buckle 18 is fixedly installed at the middle position of the outer surface of the upper end of the sealing cover 19, so that a user can operate the sealing cover 19 and the blocking column 20 through the annular buckle 18 to seal the through hole 17; the height of the rubber strip 10 is matched with the depth of the limiting groove 8, the exhaust pipe 2 is tightly attached to the inner side surface of the rubber strip 10, so that the rubber strip 10 can be positioned in the limiting groove 8, and the exhaust pipe 2 and the fixed pipe 6 are sealed through the rubber strip 10; a clamping block 15 is fixedly arranged in the middle of the outer surface of one end of the mounting bar 13, a clamping groove 16 is formed in the mounting bar 13 at a position opposite to the clamping block 15, and the tightness of connection between two ends of the mounting bar 13 can be improved through the clamping block 15 and the clamping groove 16; the clamping block 15 is in interference fit with the clamping groove 16, a sealing ring is connected between the clamping block 15 and the clamping groove 16 in a gluing mode, and the tightness of connection of the clamping block 15 and the clamping groove 16 can be improved through the sealing ring; the mounting strip 13 and the connecting strip 14 form a T-shaped strip, the T-shaped strip is positioned inside the T-shaped groove 12, the contact position of the clamping block 15 and the clamping groove 16 is positioned inside the movable groove 11, and the movable groove 11 is convenient for a user to weld the connection position of the clamping block 15 and the clamping groove 16; the contact positions of the two ends of the rubber strip 10 and the contact positions of the clamping blocks 15 and the clamping grooves 16 are fixed in a welding mode; the blocking column 20 and the sealing cover 19 are integrated components, a sealing sleeve is fixedly mounted on the outer surface of the blocking column 20, the contact between the blocking column 20 and the through hole 17 is more sufficient due to the increase of the sealing sleeve, and the connection tightness is improved.
To sum up, in the sealing device for the communication part of the automobile exhaust pipe, firstly, a T-shaped strip composed of a mounting strip 13 and a connecting strip 14 is inserted into a T-shaped groove 12 from the position of a movable groove 11, one end of the T-shaped strip is pulled to move in the T-shaped groove 12 to be contacted with the other end of the T-shaped strip, a clamping block 15 is inserted into a clamping groove 16, so that two ends of the T-shaped strip are fixed together, the T-shaped strip is positioned in the T-shaped groove 12, a rubber strip 10 connected with the mounting strip 13 through the connecting strip 14 is tightly fixed on the inner wall of a limiting groove 8, when air leakage occurs at the connection position between an exhaust pipe 2 and an engine 1, the air leakage position is filled by using the principle that the rubber strip 10 has elasticity, the sealing performance of the sealing device is improved, then, a cooling liquid is injected into a storage cavity 9 through a through hole 17, and an annular buckle 18 is pinched by hand, inserting a blocking column 20 with a sealing sleeve into the through hole 17, fixing the through hole 17 and the blocking column 20 by interference fit, sealing the contact position of the blocking column 20 and the through hole 17 by a sealing cover 19, increasing the volume of the blocking column 20 filled in the through hole 17 by the sealing sleeve, thereby increasing the sealing performance of the blocking column 20 on the through hole 17, cooling the position where the engine 1 is connected with the exhaust pipe 2 by cooling liquid in a storage cavity 9, reducing the temperature of the connection position of the two, prolonging the service life of the connection structure fixed between the two, finally placing a gasket 4 between the exhaust pipe 2 and the outer surface of one side of the engine 1 in a tight fit manner, fixing the fixed pipe 6 in a fixed groove 5 on the engine 1, positioning the connecting ring 3 between the fixed pipe 6 and the exhaust pipe 2, and preventing the two from falling off, wherein the gasket 4 and the connecting ring 3 are integrated components, the retainer plate 7 is made by adopting related metal materials to be welded, the position of the exhaust pipe 2 contacting with the engine 1 is sealed by the welded retainer plate 7, and the joint action of the connecting ring 3 is matched, so that the stability of connection between the exhaust pipe 2 and the engine 1 can be effectively improved.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.