CN110435414B - Hydrogen energy vehicle tail pipe structure - Google Patents
Hydrogen energy vehicle tail pipe structure Download PDFInfo
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- CN110435414B CN110435414B CN201910767835.2A CN201910767835A CN110435414B CN 110435414 B CN110435414 B CN 110435414B CN 201910767835 A CN201910767835 A CN 201910767835A CN 110435414 B CN110435414 B CN 110435414B
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- pipe
- intermediate pipe
- muffler
- air inlet
- bracket
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- 229910052739 hydrogen Inorganic materials 0.000 title claims abstract description 14
- 239000001257 hydrogen Substances 0.000 title claims abstract description 14
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 title claims description 11
- 239000000463 material Substances 0.000 claims abstract description 30
- 239000004033 plastic Substances 0.000 claims abstract description 22
- 238000000071 blow moulding Methods 0.000 claims abstract description 8
- 239000000565 sealant Substances 0.000 claims abstract description 7
- 230000035939 shock Effects 0.000 claims description 7
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 4
- 125000004435 hydrogen atom Chemical class [H]* 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 239000000446 fuel Substances 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
- B60K13/04—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning exhaust
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Exhaust Silencers (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Vibration Prevention Devices (AREA)
Abstract
Description
技术领域Technical Field
本发明涉及氢能源汽车领域，尤其涉及一种氢能源汽车尾排管结构。The present invention relates to the field of hydrogen energy vehicles, and in particular to a tail exhaust pipe structure of a hydrogen energy vehicle.
背景技术Background technique
随着社会的不断发展，人们对于环保的要求越来越高，尤其是汽车领域，氢能源汽车由于没有污染，受到人们的青睐。氢能源汽车上电堆系统，而尾排管是电堆系统的重要组成部分，尾排管的主要包括尾管连接管和消声器。目前尾排管主要的材料是不锈钢SUS316L，成本高，重量大，尾排管和支架的连接结构是通过焊接的方式刚性约束，从而导致支架的安装孔位置超出设计公差，即使装配上，存在的应力也较大，会使尾排管开裂，降低了尾排管和支架的使用寿命。因此解决这一问题就显得十分必要了。With the continuous development of society, people have higher and higher requirements for environmental protection, especially in the automotive field. Hydrogen energy vehicles are favored by people because they are pollution-free. Hydrogen energy vehicles are equipped with a fuel cell system, and the tail pipe is an important part of the fuel cell system. The tail pipe mainly includes the tail pipe connecting pipe and the muffler. At present, the main material of the tail pipe is stainless steel SUS316L, which is costly and heavy. The connection structure between the tail pipe and the bracket is rigidly constrained by welding, which causes the mounting hole position of the bracket to exceed the design tolerance. Even if it is assembled, the stress is still large, which will cause the tail pipe to crack and reduce the service life of the tail pipe and the bracket. Therefore, it is very necessary to solve this problem.
发明内容Summary of the invention
为解决上述问题，本发明提供一种氢能源汽车尾排管结构，尾排管包括左右连接在一起塑料材质的进气管、中间管一、中间管二和消声器，两两之间通过密封胶连接，通过卡箍固定，并且进气管、中间管一、中间管二和消声器上都通过吹塑包裹的方式连接有连接支架，连接支架的连接孔内设置弹性橡胶材质的吊耳，吊耳内设置套环，通过将螺栓一端插入到套环内，另一端与车身固定支架相连，这样便可实现对尾排管的固定连接，避免了刚性安装所产生的应力对尾排管的影响，使尾排管的固定更加牢靠，延长了尾排管以及支架的使用寿命，减振结构还能有效降低尾排管振动对整车的影响，解决了背景技术中出现的问题。In order to solve the above problems, the present invention provides a tail pipe structure of a hydrogen energy vehicle, wherein the tail pipe comprises an intake pipe, an intermediate pipe one, an intermediate pipe two and a muffler made of plastic material connected together on the left and right sides, which are connected by sealant and fixed by clamps, and the intake pipe, the intermediate pipe one, the intermediate pipe two and the muffler are connected with a connecting bracket by blow molding, and a lifting ear made of elastic rubber material is arranged in the connecting hole of the connecting bracket, and a collar is arranged in the lifting ear. By inserting one end of the bolt into the collar and connecting the other end to the vehicle body fixing bracket, the fixed connection of the tail pipe can be achieved, and the influence of the stress generated by the rigid installation on the tail pipe is avoided, so that the fixation of the tail pipe is more reliable, and the service life of the tail pipe and the bracket is extended. The vibration reduction structure can also effectively reduce the influence of the vibration of the tail pipe on the whole vehicle, and solve the problems in the background technology.
本发明的目的是提供一种氢能源汽车尾排管结构，包括有塑料材质的进气管，进气管左端与氢能源汽车电堆连接，所述进气管右端插入连接有塑料材质的中间管一，中间管一右端插入连接有塑料材质的中间管二，中间管二右端连接有塑料材质的消声器，消声器左端为塑料材质的进气口，进气口左端插入连接在中间管二右端上；进气管、中间管一和中间管二为吹塑一体成型；进气管和中间管一之间、中间管一和中间管二之间、中间管二与消声器进气口之间通过卡箍连接；所述进气管、中间管一和中间管二和消声器上均设置有侧面呈直角梯形状的连接支架，连接支架通过吹塑包裹的方式与进气管、中间管一、中间管二和消声器连接；连接支架上有连接孔，连接孔通过螺栓与车身固定支架相连；连接孔内还固定有减震结构，螺栓一端穿过设置在减震结构内、另一端与车身固定支架相连。The purpose of the present invention is to provide a tail exhaust pipe structure for a hydrogen energy vehicle, comprising an intake pipe made of plastic material, the left end of the intake pipe is connected to the hydrogen energy vehicle battery stack, the right end of the intake pipe is inserted into an intermediate pipe 1 connected to a plastic material, the right end of the intermediate pipe 1 is inserted into an intermediate pipe 2 connected to a plastic material, the right end of the intermediate pipe 2 is connected to a muffler made of plastic material, the left end of the muffler is an air inlet made of plastic material, the left end of the air inlet is inserted into and connected to the right end of the intermediate pipe 2; the intake pipe, the intermediate pipe 1 and the intermediate pipe 2 are blow-molded as a whole; the intake pipe and the intermediate pipe 1 are connected to each other. The intermediate pipes 1 and 2, and the intermediate pipe 2 and the muffler air inlet are connected by a clamp; the air intake pipe, the intermediate pipe 1, the intermediate pipe 2 and the muffler are all provided with a connecting bracket with a right-angled trapezoidal side, and the connecting bracket is connected to the air intake pipe, the intermediate pipe 1, the intermediate pipe 2 and the muffler by blow molding; the connecting bracket is provided with a connecting hole, and the connecting hole is connected to the vehicle body fixing bracket by a bolt; a shock absorbing structure is also fixed in the connecting hole, and one end of the bolt passes through the shock absorbing structure and the other end is connected to the vehicle body fixing bracket.
进一步改进在于：所述减震结构包括有内侧的弹性橡胶材料的吊耳，吊耳内设置有刚性铁质的内壁有螺纹的套环，螺栓一端插到套环内；吊耳外侧中间设置有内凹的卡槽，卡槽卡在连接孔内；所述吊耳一体注塑在连接孔内，吊耳内一体注塑有套环。Further improvements are: the shock-absorbing structure includes a lifting ear with an inner elastic rubber material, a rigid iron ring with a threaded inner wall is arranged inside the lifting ear, and one end of the bolt is inserted into the ring; an inwardly concave slot is arranged in the middle of the outer side of the lifting ear, and the slot is stuck in the connecting hole; the lifting ear is integrally injection-molded in the connecting hole, and the ring is integrally injection-molded inside the lifting ear.
进一步改进在于：所述进气管和中间管一、中间管一和中间管二、中间管二与消声器进气口的连接处通过密封胶粘接在一起。A further improvement is that the connections between the air intake pipe and the first intermediate pipe, the first intermediate pipe and the second intermediate pipe, and the second intermediate pipe and the air intake port of the muffler are bonded together by means of a sealant.
进一步改进在于：所述连接支架上通过胶黏剂连接有振动传感器。A further improvement is that a vibration sensor is connected to the connecting bracket via an adhesive.
本发明的有益效果：本发明尾排管包括左右连接在一起塑料材质的进气管、中间管一、中间管二和消声器，两两之间通过密封胶连接，通过卡箍固定，并且进气管、中间管一、中间管二和消声器上都通过吹塑包裹的方式连接有连接支架，连接支架的连接孔内设置弹性橡胶材质的吊耳，吊耳内设置套环，通过将螺栓一端插入到套环内，另一端与车身固定支架相连，这样便可实现对尾排管的固定连接，避免了刚性安装所产生的应力对尾排管的影响，使尾排管的固定更加牢靠，延长了尾排管以及支架的使用寿命，减振结构还能有效降低尾排管振动对整车的影响；连接支架侧面呈直角梯形，这样的形状更加稳定；并且连接支架上连接振动传感器用于监测振动情况，整个尾排管采用塑料材料，成本低、重量轻，结构设计合理。The beneficial effects of the present invention are as follows: the tail exhaust pipe of the present invention comprises an intake pipe, an intermediate pipe one, an intermediate pipe two and a muffler made of plastic material connected together on the left and right, which are connected to each other by sealant and fixed by a clamp, and the intake pipe, the intermediate pipe one, the intermediate pipe two and the muffler are connected with a connecting bracket by blow molding, and a lifting ear made of elastic rubber material is arranged in the connecting hole of the connecting bracket, and a sleeve is arranged in the lifting ear, and one end of the bolt is inserted into the sleeve and the other end is connected to the vehicle body fixing bracket, so that the fixed connection of the tail exhaust pipe can be achieved, and the influence of the stress generated by the rigid installation on the tail exhaust pipe is avoided, so that the fixation of the tail exhaust pipe is more secure, and the service life of the tail exhaust pipe and the bracket is extended, and the vibration reduction structure can also effectively reduce the influence of the vibration of the tail exhaust pipe on the whole vehicle; the side surface of the connecting bracket is a right-angled trapezoid, and such a shape is more stable; and a vibration sensor is connected to the connecting bracket to monitor the vibration condition, and the entire tail exhaust pipe is made of plastic material, which is low in cost, light in weight and reasonable in structural design.
附图说明BRIEF DESCRIPTION OF THE DRAWINGS
图1是本发明的分解示意图。FIG. 1 is an exploded schematic diagram of the present invention.
图2是本发明的整体示意图。FIG. 2 is an overall schematic diagram of the present invention.
图3是本发明消声器处连接支架的示意图。FIG. 3 is a schematic diagram of a connection bracket at a muffler of the present invention.
其中：1-进气管，2-中间管一，3-中间管二，4-消声器，5-进气口，6-卡箍，7-连接支架，8-连接孔，9-吊耳，10-套环，11-卡槽。Among them: 1-intake pipe, 2-middle pipe one, 3-middle pipe two, 4-muffler, 5-air inlet, 6-clamp, 7-connecting bracket, 8-connecting hole, 9-lifting ear, 10-ring, 11-slot.
具体实施方式Detailed ways
为了加深对本发明的理解，下面将结合实施例对本发明作进一步详述，该实施例仅用于解释本发明，并不构成对本发明保护范围的限定。In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with examples. The examples are only used to explain the present invention and do not constitute a limitation on the protection scope of the present invention.
如图1-3所示，本实施例提供一种氢能源汽车尾排管结构，包括有塑料材质的进气管1，进气管1左端与氢能源汽车电堆连接，所述进气管1右端插入连接有塑料材质的中间管一2，中间管一2右端插入连接有塑料材质的中间管二3，中间管二3右端连接有塑料材质的消声器4，消声器4左端为塑料材质的进气口5，进气口5左端插入连接在中间管二3右端上；进气管1、中间管一2和中间管二3为吹塑一体成型；进气管1和中间管一2之间、中间管一2和中间管二3之间、中间管二3与消声器4进气口5之间通过卡箍6连接；所述进气管1、中间管一2和中间管二3和消声器4上均设置有侧面呈直角梯形状的连接支架7，连接支架7通过吹塑包裹的方式与进气管1、中间管一2、中间管二3和消声器4连接；连接支架7上有连接孔8，连接孔8通过螺栓与车身固定支架相连；连接孔8内还固定有减震结构，螺栓一端穿过设置在减震结构内、另一端与车身固定支架相连。所述减震结构包括有内侧的弹性橡胶材料的吊耳9，吊耳9内设置有刚性铁质的内壁有螺纹的套环10，螺栓一端插到套环10内；吊耳9外侧中间设置有内凹的卡槽11，卡槽11卡在连接孔8内；所述吊耳9一体注塑在连接孔8内，吊耳9内一体注塑有套环10。所述进气管1和中间管一2、中间管一2和中间管二3、中间管二3与消声器4进气口5的连接处通过密封胶粘接在一起。所述连接支架7上通过胶黏剂连接有振动传感器。As shown in Figures 1-3, this embodiment provides a tail exhaust pipe structure for a hydrogen energy vehicle, including an intake pipe 1 made of plastic material, the left end of the intake pipe 1 is connected to the hydrogen energy vehicle stack, the right end of the intake pipe 1 is inserted into an intermediate pipe 2 made of plastic material, the right end of the intermediate pipe 2 is inserted into an intermediate pipe 2 3 made of plastic material, the right end of the intermediate pipe 2 3 is connected to a muffler 4 made of plastic material, the left end of the muffler 4 is an air inlet 5 made of plastic material, and the left end of the air inlet 5 is inserted and connected to the right end of the intermediate pipe 2 3; the intake pipe 1, the intermediate pipe 1 2 and the intermediate pipe 2 3 are blow-molded as a whole; the intake pipe 1 and the intermediate pipe 2 3 are blow-molded as a whole; the intake pipe 1 and the intermediate pipe 2 The intermediate pipe 1, the intermediate pipe 2, the intermediate pipe 3, and the intermediate pipe 2 and the muffler 4 are connected by a clamp 6; the intake pipe 1, the intermediate pipe 1, the intermediate pipe 2, the intermediate pipe 3 and the muffler 4 are all provided with a connecting bracket 7 with a right-angled trapezoidal side, and the connecting bracket 7 is connected to the intake pipe 1, the intermediate pipe 1, the intermediate pipe 2 and the muffler 4 by blow molding; the connecting bracket 7 has a connecting hole 8, and the connecting hole 8 is connected to the vehicle body fixing bracket by bolts; a shock absorbing structure is also fixed in the connecting hole 8, one end of the bolt passes through the shock absorbing structure and the other end is connected to the vehicle body fixing bracket. The shock absorbing structure includes an inner elastic rubber material ear 9, a rigid iron inner wall threaded collar 10 is provided in the ear 9, and one end of the bolt is inserted into the collar 10; a concave slot 11 is provided in the middle of the outer side of the ear 9, and the slot 11 is stuck in the connecting hole 8; the ear 9 is integrally injection molded in the connecting hole 8, and the collar 10 is integrally injection molded in the ear 9. The connection points between the air inlet pipe 1 and the intermediate pipe 1 2, the intermediate pipe 1 2 and the intermediate pipe 2 3, and the intermediate pipe 2 3 and the air inlet 5 of the muffler 4 are bonded together by sealant. A vibration sensor is connected to the connection bracket 7 by adhesive.
尾排管包括左右连接在一起塑料材质的进气管2、中间管一3、中间管二3和消声器4，两两之间通过密封胶连接，通过卡箍6固定，并且进气管1、中间管一2、中间管二3和消声器4上都通过吹塑包裹的方式连接有连接支架7，连接支架7的连接孔8内设置弹性橡胶材质的吊耳9，吊耳9内设置套环10，通过将螺栓一端插入到套环10内，另一端与车身固定支架相连，这样便可实现对尾排管的固定连接，避免了刚性安装所产生的应力对尾排管的影响，使尾排管的固定更加牢靠，延长了尾排管以及支架的使用寿命，减振结构还能有效降低尾排管振动对整车的影响，并且连接支架7上连接振动传感器用于监测振动情况，整个尾排管采用塑料材料，成本低、重量轻，结构设计合理。The tail exhaust pipe includes an intake pipe 2, an intermediate pipe 1 3, an intermediate pipe 2 3 and a muffler 4 made of plastic material connected together on the left and right, which are connected to each other by sealant and fixed by a clamp 6, and the intake pipe 1, the intermediate pipe 1 2, the intermediate pipe 2 3 and the muffler 4 are connected with a connecting bracket 7 by blow molding. An ear 9 made of elastic rubber material is arranged in a connecting hole 8 of the connecting bracket 7, and a ring 10 is arranged in the ear 9. By inserting one end of the bolt into the ring 10 and connecting the other end to the vehicle body fixing bracket, the tail exhaust pipe can be fixedly connected, avoiding the influence of the stress generated by the rigid installation on the tail exhaust pipe, making the fixation of the tail exhaust pipe more secure, and extending the service life of the tail exhaust pipe and the bracket. The vibration reduction structure can also effectively reduce the influence of the vibration of the tail exhaust pipe on the whole vehicle, and a vibration sensor is connected to the connecting bracket 7 to monitor the vibration. The entire tail exhaust pipe is made of plastic material, which is low in cost, light in weight and has a reasonable structural design.
Claims (4)
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