Tail pipe arrangement structure of hydrogen energy automobile
Technical Field
The invention relates to the field of hydrogen energy automobiles, in particular to a tail calandria structure of a hydrogen energy automobile.
Background
Along with the continuous development of society, people have higher and higher requirements on environmental protection, and especially in the field of automobiles, hydrogen energy automobiles are favored by people because of no pollution. The hydrogen energy automobile is provided with a galvanic pile system, and a tail calandria is an important component of the galvanic pile system and mainly comprises a tail pipe connecting pipe and a muffler. At present, the main material of the tail calandria is stainless steel SUS316L, the cost is high, the weight is large, and the connecting structure of the tail calandria and the bracket is rigidly restrained in a welding mode, so that the mounting hole position of the bracket exceeds the design tolerance, even if the tail calandria is assembled, the existing stress is also large, the tail calandria can be cracked, and the service lives of the tail calandria and the bracket are reduced. It is therefore necessary to solve this problem.
Disclosure of Invention
In order to solve the problems, the invention provides a tail pipe structure of a hydrogen energy automobile, which comprises an air inlet pipe, a first middle pipe, a second middle pipe and a muffler which are connected together left and right and made of plastic materials, wherein the two pipes are connected through sealing glue and fixed through a clamp, a connecting bracket is connected to the air inlet pipe, the first middle pipe, the second middle pipe and the muffler in a blow molding wrapping mode, a lifting lug made of elastic rubber material is arranged in a connecting hole of the connecting bracket, a lantern ring is arranged in the lifting lug, one end of a bolt is inserted into the lantern ring, the other end of the bolt is connected with a vehicle body fixing bracket, thus the tail pipe can be fixedly connected, the influence of stress generated by rigid installation on the tail pipe is avoided, the tail pipe is more firmly fixed, the service life of the tail pipe and the bracket is prolonged, the vibration reduction structure can effectively reduce the influence of vibration of the tail pipe on the whole automobile, and the problems in the background technology are solved.
The invention aims to provide a tail calandria structure of a hydrogen energy automobile, which comprises an air inlet pipe made of plastic, wherein the left end of the air inlet pipe is connected with a hydrogen energy automobile electric pile, the right end of the air inlet pipe is inserted and connected with a middle pipe I made of plastic, the right end of the middle pipe I is inserted and connected with a middle pipe II made of plastic, the right end of the middle pipe II is connected with a muffler made of plastic, the left end of the muffler is an air inlet made of plastic, and the left end of the air inlet is inserted and connected to the right end of the middle pipe II; the air inlet pipe, the first middle pipe and the second middle pipe are integrally formed by blow molding; the air inlet pipe is connected with the first middle pipe, the first middle pipe and the second middle pipe, and the second middle pipe is connected with the air inlet of the muffler through a clamp; the air inlet pipe, the first middle pipe, the second middle pipe and the muffler are respectively provided with a connecting bracket with right-angle trapezoid sides, and the connecting brackets are connected with the air inlet pipe, the first middle pipe, the second middle pipe and the muffler in a blowing wrapping mode; the connecting bracket is provided with a connecting hole, and the connecting hole is connected with the vehicle body fixing bracket through a bolt; a damping structure is further fixed in the connecting hole, one end of the bolt penetrates through the damping structure, and the other end of the bolt is connected with the vehicle body fixing support.
The further improvement is that: the damping structure comprises a lifting lug made of elastic rubber material at the inner side, a collar with threads on the inner wall of rigid iron is arranged in the lifting lug, and one end of a bolt is inserted into the collar; the middle of the outer side of the lifting lug is provided with a concave clamping groove which is clamped in the connecting hole; the lug is integrative to be moulded plastics in the connecting hole, and integrative the moulding plastics has the lantern ring in the lug.
The further improvement is that: the joints of the air inlet pipe, the first middle pipe, the second middle pipe and the air inlet of the muffler are bonded together through sealant.
The further improvement is that: and the connecting bracket is connected with a vibration sensor through an adhesive.
The invention has the beneficial effects that: the tail calandria comprises an air inlet pipe, a first middle pipe, a second middle pipe and a muffler which are connected together left and right and made of plastic materials, wherein the two pipes are connected through sealant, the two pipes are fixed through a clamp, the air inlet pipe, the first middle pipe, the second middle pipe and the muffler are connected with a connecting bracket in a blow molding wrapping mode, lifting lugs made of elastic rubber materials are arranged in connecting holes of the connecting bracket, a lantern ring is arranged in the lifting lugs, one end of a bolt is inserted into the lantern ring, the other end of the bolt is connected with a vehicle body fixing bracket, thus the tail calandria can be fixedly connected, the influence of stress generated by rigid installation on the tail calandria is avoided, the tail calandria is more firmly fixed, the service lives of the tail calandria and the bracket are prolonged, and the vibration reduction structure can also effectively reduce the influence of vibration of the tail calandria on the whole vehicle; the side surface of the connecting bracket is in a right trapezoid shape, so that the shape is more stable; and connect vibration sensor on the linking bridge and be used for monitoring the vibration condition, whole tail calandria adopts plastic materials, with low costs, light in weight, structural design is reasonable.
Drawings
Fig. 1 is an exploded schematic view of the present invention.
Fig. 2 is an overall schematic of the present invention.
Fig. 3 is a schematic view of a connecting bracket at a muffler of the present invention.
Wherein: the device comprises a 1-air inlet pipe, a 2-middle pipe I, a 3-middle pipe II, a 4-muffler, a 5-air inlet, a 6-clamp, a 7-connecting support, an 8-connecting hole, a 9-lifting lug, a 10-lantern ring and an 11-clamping groove.
Detailed Description
The present invention will be further described in detail with reference to examples, which are provided for the purpose of illustration only and are not intended to limit the scope of the present invention.
As shown in fig. 1-3, the embodiment provides a tail calandria structure of a hydrogen energy automobile, which comprises an air inlet pipe 1 made of plastic, wherein the left end of the air inlet pipe 1 is connected with a hydrogen energy automobile electric pile, the right end of the air inlet pipe 1 is inserted and connected with a middle pipe 1 made of plastic, the right end of the middle pipe 2 is inserted and connected with a middle pipe 3 made of plastic, the right end of the middle pipe 3 is connected with a muffler 4 made of plastic, the left end of the muffler 4 is an air inlet 5 made of plastic, and the left end of the air inlet 5 is inserted and connected to the right end of the middle pipe 3; the air inlet pipe 1, the middle pipe I2 and the middle pipe II 3 are integrally formed by blow molding; the air inlet pipe 1 is connected with the middle pipe I2, the middle pipe I2 is connected with the middle pipe II 3, and the middle pipe II 3 is connected with the air inlet 5 of the muffler 4 through a clamp 6; the air inlet pipe 1, the first middle pipe 2, the second middle pipe 3 and the muffler 4 are respectively provided with a connecting bracket 7 with right-angle trapezoid sides, and the connecting brackets 7 are connected with the air inlet pipe 1, the first middle pipe 2, the second middle pipe 3 and the muffler 4 in a blowing wrapping mode; the connecting bracket 7 is provided with a connecting hole 8, and the connecting hole 8 is connected with the vehicle body fixing bracket through a bolt; a damping structure is further fixed in the connecting hole 8, one end of the bolt penetrates through the damping structure, and the other end of the bolt is connected with the vehicle body fixing support. The damping structure comprises a lifting lug 9 made of elastic rubber material at the inner side, a collar 10 with threads on the inner wall of rigid iron is arranged in the lifting lug 9, and one end of a bolt is inserted into the collar 10; the middle of the outer side of the lifting lug 9 is provided with a concave clamping groove 11, and the clamping groove 11 is clamped in the connecting hole 8; the lifting lug 9 is integrally injection molded in the connecting hole 8, and a lantern ring 10 is integrally injection molded in the lifting lug 9. The joints of the air inlet pipe 1, the middle pipe I2, the middle pipe II 3 and the air inlet 5 of the muffler 4 are bonded together through sealant. The connecting support 7 is connected with a vibration sensor through an adhesive.
The tail calandria is including controlling the intake pipe 2 of connecting together plastics material, middle pipe one 3, middle pipe two 3 and silencer 4, connect through the sealant between two liang, it is fixed through clamp 6, and be connected with linking bridge 7 through blowing parcel's mode on intake pipe 1, middle pipe one 2, middle pipe two 3 and the silencer 4, set up the lug 9 of elastic rubber material in linking bridge 7's the connecting hole 8, set up lantern ring 10 in the lug 9, through inserting the lantern ring 10 with bolt one end, the other end links to each other with the automobile body fixed bolster, alright realize the fixed connection to the tail calandria like this, the influence of the produced stress of rigid mounting to the tail calandria has been avoided, make the fixed more firm of tail calandria, the life of tail calandria and support has been prolonged, vibration damping structure can also effectively reduce the influence of tail calandria vibration to whole car, and connect vibration sensor on the linking bridge 7 and be used for monitoring vibration condition, whole tail calandria adopts plastics material, and is low in cost, light weight, structural design is reasonable.