Carbon tank mounting structure, carbon tank assembly, engine system and vehicle
By adopting a carbon canister mounting structure with three-point fixation and multi-point vibration isolation on the vehicle body, the resonance noise problem caused by insufficient carbon canister stiffness is solved, achieving better vibration isolation effect and overall vehicle NVH performance.
Patent Information
- Application Number
- CN202520777393.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-22
AI Technical Summary
When the existing carbon canister is installed on the rear wheel arch, its rigidity is relatively weak. This causes the spring inside the carbon canister to vibrate due to transient impact forces, resulting in resonance noise and affecting the overall NVH performance of the vehicle.
The carbon canister mounting structure includes first and second mounting sections, bracket assembly and vibration isolation components. It connects the vehicle body and the carbon canister through three-point fixing and multi-point vibration isolation, and uses vibration isolation components to attenuate transient impact forces.
It improves the stability and vibration isolation effect of the carbon canister, effectively reduces the transmission of abnormal noise when the door is closed, and enhances the overall NVH performance of the vehicle.
Smart Images

Figure CN223952703U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to vehicle technical field especially, relates to a carbon tank mounting structure, carbon tank assembly, engine system and vehicle. BACKGROUND
[0002] Carbon tank is mainly used for adsorbing fuel vapor generated by fuel volatilization in fuel system, prevents fuel vapor from volatilizing directly into air and polluting air, and the engine carries out negative pressure air extraction to the carbon tank in the operation process, so that the hydrocarbon compounds adsorbed by the carbon tank are utilized by the engine again.
[0003] The existing carbon tank installation has the following defects: limited by vehicle space arrangement, the carbon tank is fixed on the rear wheel cover through the mounting bracket at present, but the thickness of the rear wheel cover is thin, usually 0.8mm~1.0mm, so that the rigidity of the carbon tank mounting point is weak, the transient impact force when closing the door is transmitted to the carbon tank through the vehicle body and the mounting bracket, and the spring in the carbon tank is vibrated under the action of the transient impact force, resonance noise is generated, and the vehicle NVH performance is seriously affected. UTILITY MODEL CONTENTS
[0004] The utility model discloses a carbon tank mounting structure, carbon tank assembly, engine system and vehicle can vibrate the carbon tank, improve the vehicle NVH performance.
[0005] In order to achieve this purpose, first, the utility model provides a carbon tank mounting structure for installing the carbon tank on the vehicle body, the carbon tank mounting structure comprises:
[0006] The first mounting part and the two second mounting parts are arranged on the carbon tank.
[0007] The bracket assembly comprises a first bracket and a second bracket connected to the vehicle body.
[0008] The first mounting part is installed on the first bracket, and the first mounting part and the first bracket are provided with the first vibration isolation part.
[0009] The two second vibration isolation parts are arranged one by one with the two second mounting parts, the second bracket and the second mounting part are fixedly connected, and the second bracket and the second mounting part are provided with the second vibration isolation part.
[0010] As one of the above-mentioned carbon tank mounting structures, the first vibration isolation part and the second vibration isolation part are arranged along the first direction.
[0011] The two second vibration isolation parts are distributed along the second direction, the first vibration isolation part is located between the two second vibration isolation parts along the second direction, and the first direction is perpendicular to the second direction.
[0012] As an implementable technical solution of the carbon tank mounting structure, the first mounting part is hung on the first support, and the second support is fastened to the second mounting part.
[0013] As an implementable technical solution of the carbon tank mounting structure, one of the first support and the first mounting part is provided with a plug hole, and the other is provided with a plug part, the plug part is inserted into the plug hole, and the first vibration isolation part includes a vibration isolation body, the vibration isolation body is mounted in the plug hole in an interference fit, and the plug part is inserted into the vibration isolation body in an interference fit.
[0014] As an implementable technical solution of the carbon tank mounting structure, the first vibration isolation part further includes vibration isolation flanges arranged at the axial ends of the vibration isolation body, and the first support or the first mounting part provided with the plug hole is clamped between the two vibration isolation flanges along the axial direction of the first vibration isolation part.
[0015] As an implementable technical solution of the carbon tank mounting structure, the second support and the second mounting part are connected through a fastening unit, the fastening unit is inserted into the second vibration isolation part, one end of the second vibration isolation part is clamped between the second support and the second mounting part along the axial direction of the second vibration isolation part.
[0016] One end of the fastening unit presses the other end of the second vibration isolation part to the second support or the second mounting part along the axial direction of the second vibration isolation part.
[0017] As an implementable technical solution of the carbon tank mounting structure, the first vibration isolation part is made of ethylene propylene terpolymer or silicone rubber.
[0018] And / or, the second vibration isolation part is made of ethylene propylene terpolymer or silicone rubber.
[0019] As an implementable technical solution of the carbon tank mounting structure, a first avoiding part is arranged on the first support.
[0020] And / or, a second avoiding part is arranged on the second support.
[0021] In a second aspect, the utility model provides a carbon tank assembly, including carbon tank, and the carbon tank mounting structure of any one scheme, the first mounting part and two second mounting parts are arranged in the carbon tank.
[0022] As an implementable technical solution of the carbon tank assembly, the first mounting part is integrally formed on the shell of the carbon tank, or the first mounting part is separately arranged from the shell of the carbon tank and fixedly mounted on the shell of the carbon tank.
[0023] As an implementable technical solution of the carbon tank assembly, the second mounting portion is integrally formed with the shell, or the second mounting portion is separately arranged from the shell of the carbon tank and fixedly mounted to the shell of the carbon tank.
[0024] In a third aspect, the utility model provides an engine system, comprising the carbon tank assembly of any implementable scheme.
[0025] In a fourth aspect, the utility model provides a vehicle, comprising a vehicle body and the engine system, the first support and the second support are both connected to the vehicle body.
[0026] As an implementable technical solution of the vehicle, the vehicle body comprises a left rear wheel cover and a right rear wheel cover, and the first support and the second support are both connected to the left rear wheel cover or the right rear wheel cover.
[0027] The utility model has at least the following beneficial effects:
[0028] The carbon tank mounting structure provided by the utility model connects the first support and the second support to the vehicle body, then mounts the first mounting portion on the carbon tank to the first support and arranges a first vibration isolation member between the first mounting portion and the first support, then fixedly connects the second mounting portion to the second support and arranges a second vibration isolation member between the second mounting portion and the second support, realizes three-point fixing of the carbon tank and the support assembly, improves the stability of the carbon tank, realizes vibration isolation of the connecting position of the support assembly connected to the vehicle body and the carbon tank through a first vibration isolation member and two second vibration isolation members, vibrates the carbon tank from multiple positions, has good vibration isolation effect, can effectively attenuate the transient impact force borne by the carbon tank when the vehicle door is closed, can effectively avoid transmission of abnormal sound of the carbon tank to the vehicle, and improves the overall vehicle NVH performance.
[0029] The carbon tank mounting structure provided by the utility model connects the first support and the second support to the vehicle body, then mounts the first mounting portion on the carbon tank to the first support and arranges a first vibration isolation member between the first mounting portion and the first support, then fixedly connects the second mounting portion to the second support and arranges a second vibration isolation member between the second mounting portion and the second support, realizes three-point fixing of the carbon tank and the support assembly, improves the stability of the carbon tank, and can vibrate the carbon tank and the vehicle body through the first vibration isolation member and the two second vibration isolation members, realize vibration isolation of the carbon tank from multiple positions, has good vibration isolation effect, can effectively attenuate the transient impact force borne by the carbon tank when the vehicle door is closed, can effectively avoid transmission of abnormal sound of the carbon tank to the vehicle, and improves the overall vehicle NVH performance.
[0030] The engine system provided by the utility model comprises the carbon tank mounting structure, can vibrate the carbon tank from multiple positions, has good vibration isolation effect, and reduces the noise of the engine system.
[0031] The vehicle provided by the utility model comprises the engine system, can attenuate the transient impact force borne by the carbon tank when the vehicle door is closed, improves abnormal sound, and improves the overall vehicle NVH performance. BRIEF DESCRIPTION OF DRAWINGS
[0032] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments of the present application will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art according to the contents of the embodiments of the present application and the drawings without any creative effort.
[0033] Figure 1 The structure schematic diagram of the carbon tank assembly provided by the embodiments of the present application is shown in the figure.
[0034] Figure 2 is Figure 1 the bottom view;
[0035] Figure 3 The cross-sectional view of the carbon tank assembly provided by the embodiments of the present application is shown in the figure.
[0036] In the figure:
[0037] 1, carbon tank; 11, first mounting portion; 12, second mounting portion;
[0038] 2, bracket assembly; 21, first bracket; 22, second bracket; 23, second avoiding portion; 24, third avoiding portion;
[0039] 3, fastening unit; 4, first vibration isolation member; 5, second vibration isolation member. DETAILED DESCRIPTION
[0040] The present application will be further described in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present application, but not to limit the present application. In addition, it should be noted that, in order to facilitate the description, only the parts related to the present application are shown in the drawings, but not all the structures.
[0041] In the description of the present application, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0042] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on top" of the second feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.
[0043] In the description of this embodiment, the terms "upper," "lower," "right," etc., refer to the orientation or positional relationship shown in the accompanying drawings. They are used only for ease of description and simplification of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meaning.
[0044] Due to space constraints in vehicle layout, carbon canisters are currently fixed to the rear wheel arches of the vehicle body via mounting brackets. However, because the rear wheel arches are relatively thin, typically between 0.8mm and 1.0mm, the rigidity of the carbon canister mounting point is weak. The transient impact force when the door is closed is transmitted to the carbon canister through the vehicle body and mounting brackets. Under the action of this transient impact force, the spring inside the carbon canister vibrates, generating resonance noise, which seriously affects the NVH performance of the entire vehicle.
[0045] In view of this, embodiments of the present invention provide a carbon canister mounting structure, a carbon canister assembly including the carbon canister mounting structure, an engine system including the carbon canister assembly, and a vehicle including the engine system, wherein the vehicle further includes a body, the carbon canister assembly further includes a carbon canister, and the carbon canister is mounted on the body via the carbon canister mounting structure to isolate vibration between the body and the carbon canister.
[0046] Specifically, such as Figures 1 to 3 As shown, the carbon canister mounting structure includes a first mounting part 11 and two second mounting parts 12, a bracket assembly 2, a first vibration isolator 4, and a second vibration isolator 5. The first mounting part 11 and the second mounting part 12 are both disposed on the carbon canister 1. The bracket assembly 2 includes a first bracket 21 and a second bracket 22, both connected to the vehicle body. The first mounting part 11 is mounted on the first bracket 21, and a first vibration isolator 4 is disposed between the first mounting part 11 and the first bracket 21. The two second vibration isolators 5 are disposed in a one-to-one correspondence with the two second mounting parts 12. The second bracket 22 and the second mounting part 12 are fixedly connected, and a second vibration isolator 5 is disposed between the second bracket 22 and the second mounting part 12.
[0047] In the process of installing the carbon tank 1 on the vehicle body, the first support 21 and the second support 22 are both connected to the vehicle body, the first mounting portion 11 on the carbon tank 1 is mounted on the first support 21, and the first vibration isolation member 4 is arranged between the first mounting portion 11 and the first support 21; the second mounting portion 12 is fixedly connected to the second support 22, and the second vibration isolation member 5 is arranged between the second mounting portion 12 and the second support 22, so that the carbon tank 1 and the support assembly 2 are fixed in three points, and the stability of the carbon tank 1 is improved.
[0048] The first vibration isolation member 4 and the two second vibration isolation members 5 are used to isolate the vibration between the support assembly 2 connected to the vehicle body and the connecting position of the carbon tank 1, the carbon tank 1 is isolated from multiple positions, the vibration isolation effect is good, the transient impact force borne by the carbon tank 1 when the vehicle door is closed can be effectively attenuated, the abnormal sound of the carbon tank 1 can be effectively avoided from being transmitted to the vehicle, and the NVH performance of the vehicle is improved.
[0049] In some embodiments, the first mounting portion 11 is hung and mounted on the first support 21, and the second mounting portion 12 is fastened and mounted on the second support 22.
[0050] In the process of installing the carbon tank 1 on the vehicle body, the first mounting portion 11 can be hung and mounted on the first support 21 first, so that the two second mounting portions 12 can be fastened and mounted on the second support 22 subsequently, and the installation is convenient and fast.
[0051] In some embodiments, as shown in Figures 1 to 3 one of the first support 21 and the first mounting portion 11 is provided with a plug-in hole, and the other is provided with a plug-in portion, the plug-in portion is inserted into the plug-in hole, the first vibration isolation member 4 includes a vibration isolation body, the vibration isolation body is mounted in the plug-in hole in an interference fit, and the plug-in portion is inserted into the vibration isolation body in an interference fit. In this way, the carbon tank 1 is hung on the first support 21 through the first mounting portion 11, and the first support 21 and the first mounting portion 11 are soft-connected through the vibration isolation body, thereby achieving the effect of vibration isolation.
[0052] For example, the plug-in hole is arranged on the first mounting portion 11, and one end of the first support 21 forms the plug-in portion. In other embodiments, the plug-in hole can also be arranged on the first support 21, and the plug-in portion can be arranged on the first mounting portion 11.
[0053] In other embodiments, the first vibration isolation member 4 can also be overmolded on the first support 21, so that the first vibration isolation member 4 and the first support 21 form an integrated structure, and the integrated structure is inserted into the first mounting portion 11 in an interference fit.
[0054] In some embodiments, as shown in Figures 1 to 3As shown, the first vibration isolation member 4 further comprises vibration isolation flanges connected to axial ends of the vibration isolation body, and the first mounting portion 11 provided with the insertion hole is clamped between the two vibration isolation flanges along the axial direction of the first vibration isolation member 4. With the provision of the two vibration isolation flanges, the first vibration isolation member 4 can be prevented from being separated from the first mounting portion 11 in the axial direction. It should be noted that when the insertion hole is provided on the first support 21, the first support 21 is clamped between the two vibration isolation flanges along the circumferential direction of the first vibration isolation member 4.
[0055] In some embodiments, as shown in the drawings, Figures 1 to 3 As shown, the second support 22 and the second mounting portion 12 are connected through the fastening unit 3, the fastening unit 3 is threaded through the second vibration isolation member 5, one end of the second vibration isolation member 5 is clamped between the second support 22 and the second mounting portion 12 along the axial direction of the second vibration isolation member 5; and the other end of the second vibration isolation member 5 is pressed to the second mounting portion 12 along the axial direction of the second vibration isolation member 5 by one end of the fastening unit 3.
[0056] Specifically, the outer wall of the second vibration isolation member 5 is provided with an annular groove, the second mounting portion 12 is provided with a through hole, the second vibration isolation member 5 is threaded through the through hole, and the axial ends of the second vibration isolation member 5 are respectively abutted to the opposite sides of the second mounting portion 12. The fastening unit 3 comprises a fastening bolt and a fastening nut, one end of the fastening bolt is threaded through the second vibration isolation member 5 and the second support 22 and is threadedly connected to the fastening nut, so that the second vibration isolation member 5 on one side of the annular groove is clamped between the second mounting portion 12 and the second support 22, and the second vibration isolation member 5 on the other side of the annular groove is clamped between the side of the second mounting portion 12 opposite to the second support 22 and the head of the fastening bolt. In this way, the second support 22 and the second mounting portion 12 are soft-connected along the radial direction of the second vibration isolation member 5, and the second support 22 and the second mounting portion 12 are soft-connected along the axial direction of the second vibration isolation member 5, thereby achieving the vibration isolation effect by the second vibration isolation member 5.
[0057] In other embodiments, one end of the second vibration isolation member 5 can also be clamped between the head of the fastening bolt and the side of the second support 22 opposite to the second mounting portion 12.
[0058] The above-mentioned fastening bolt can be replaced by a stud, and the two ends of the stud are respectively threadedly connected to a fastening nut.
[0059] In some embodiments, the first vibration isolation member 4 is of a three-ethylene propylene rubber structure, and the second vibration isolation member 5 is of a silica gel structure. In other embodiments, the first vibration isolation member 4 can also be of a silica gel structure, and the second vibration isolation member 5 can also be of a three-ethylene propylene rubber structure. It should be noted that the first vibration isolation member 4 and the second vibration isolation member 5 described above are both of a vibration isolation structure with a hardness of 50±5HRA, and other vibration isolation structures with other hardnesses can also be selected according to actual needs. In other embodiments, the first vibration isolation member 4 and the second vibration isolation member 5 can also be made of other materials.
[0060] In some embodiments, as shown in Figure 3 The first vibration isolation member 4 and the second vibration isolation member 5 are arranged along a first direction, and two second vibration isolation members 5 are distributed along a second direction, and the first vibration isolation member 4 is located between the two second vibration isolation members 5 along the second direction, and the first direction is perpendicular to the second direction. In this way, the carbon tank 1 and the bracket assembly 2 are fixed at three points, and the three mounting points are distributed in an acute angle triangle, which can shorten the distance between the three mounting points, reduce the risk of single-point stress concentration, and faster vibration attenuation rate, which is conducive to further improving the stability of the carbon tank 1.
[0061] In some embodiments, as shown in Figure 3 The first mounting portion 11 is welded to the carbon tank 1, and the second mounting portion 12 is welded to the carbon tank 1.
[0062] Exemplarily, the first mounting portion 11 is a rectangular sleeve structure, and one side of the rectangular sleeve is welded and fixed to the side of the carbon tank 1. In order to improve the connection stability between the first mounting portion 11 and the carbon tank 1, a reinforcing rib is additionally arranged, and the reinforcing rib is fixed to the first mounting portion 11 and the carbon tank 1, respectively.
[0063] Exemplarily, the second mounting portion 12 is arranged on the end face of the carbon tank 1 at one end in the first direction, and the second mounting portion 12 is a U-shaped structure, and the contact surface between the second mounting portion 12 and the carbon tank 1 is a U-shaped surface. This type of second mounting portion 12 has good structural strength, and the two side plates of the second mounting portion 12 can play a reinforcing role. When the second mounting portion 12 is welded and fixed to the carbon tank 1, the connection stability between the second mounting portion 12 and the carbon tank 1 can be improved.
[0064] The through hole is arranged on the bottom plate of the U-shaped structure, and one end of the fastening unit 3 can be placed in the inner cavity of the U-shaped structure. Exemplarily, the first direction is the upward and downward direction, and the second mounting portion 12 is located at the bottom of the carbon tank 1, and at this time the second mounting portion 12 can be used to support the carbon tank 1.
[0065] In other embodiments, the first mounting portion 11 can also be connected to the carbon tank 1 in a clamping or fastening connection manner, and the second mounting portion 12 can also be connected to the carbon tank 1 in a clamping or fastening connection manner.
[0066] In other embodiments, the first mounting portion 11 and the second mounting portion 12 can also be integrally formed on the shell of the carbon tank 1, without the need for separate processing of the first mounting portion 11 and the second mounting portion 12, thereby reducing the processing cost. At this time, the existing structure on the carbon tank 1 can be used as the first mounting portion 11 and the second mounting portion 12, without the need to change the existing structure of the carbon tank 1.
[0067] In some embodiments, the vehicle body comprises a rear wheel cover, and the rear wheel cover comprises a left rear wheel cover, and the first support 21 and the second support 22 are both connected to the left rear wheel cover. The mounting space near the left rear wheel cover is fully utilized, and the space utilization is improved. In other embodiments, the first support 21 and the second support 22 can also be mounted on the right rear wheel cover of the vehicle according to actual arrangement requirements and mounting space requirements.
[0068] Exemplarily, the left rear wheel cover and the rear wheel cover are both sheet metal structural members, which are low in cost and high in structural strength.
[0069] In some embodiments, as shown in Figure 3 , the first support 21 is fixedly connected to the rear wheel cover. Specifically, a first fixing hole is arranged on the first support 21, a first mounting hole is arranged on the rear wheel cover, and a first fastener such as a bolt is used to pass through the first fixing hole and the first mounting hole and then connect a first locking nut to fix the first support 21 to the rear wheel cover. The mounting mode of the first support 21 is simple, and the first support 21 is convenient to disassemble and assemble. In other embodiments, the first fastener can also be a stud, and both ends of the stud need to be connected to a locking nut. The first support 21 can also be welded to the rear wheel cover.
[0070] In some embodiments, the second support 22 is welded to the rear wheel cover. The connection mode is simple, the installation efficiency is high, and the installation is firm. In other embodiments, the second support 22 can also be fixedly connected to the rear wheel cover. Specifically, a second fixing hole is arranged on the second support 22, a second mounting hole is arranged on the rear wheel cover, and a second fastener such as a bolt is used to pass through the second fixing hole and the second mounting hole and then connect a second locking nut to fix the second support 22 to the rear wheel cover.
[0071] In some embodiments, the first mounting portion 11 is located at one end of the housing in the first direction, the two second mounting portions 12 are located at the other end of the housing in the first direction, and the first mounting portion 11 is located between the two second mounting portions 12 in the second direction. In this way, the first mounting portion 11 and the two second mounting portions 12 are arranged in a triangular shape, the carbon tank 1 is mounted on the rear wheel cover through the carbon tank mounting structure, and the stability of the carbon tank 1 is good.
[0072] Correspondingly, the first vibration isolation member 4 and the two second vibration isolation members 5 are arranged in a triangular shape, and multi-point vibration isolation is achieved, and the vibration isolation effect is good.
[0073] In some embodiments, as shown in Figure 1 , the first support 21 is provided with a first avoiding portion for avoiding the structure around the carbon tank 1 and the rear wheel cover to avoid interference.
[0074] Exemplarily, the first support 21 comprises a plug-in portion, a first connecting portion and a second connecting portion connected in sequence, wherein the first connecting portion and the third connecting portion each extend along the first direction, the second connecting portion extends along the third direction, and the plug-in portion, the first connecting portion and the second connecting portion are connected in sequence to form the Z-shaped first support 21, so that the space between the plug-in portion and the first connecting portion and the space between the first connecting portion and the second connecting portion each form a first avoiding portion.
[0075] In some embodiments, as shown in Figure 1 The second support 22 is provided with a second avoiding portion 23 for avoiding the structure around the carbon tank 1 and the rear wheel cover to avoid interference.
[0076] Exemplarily, the second avoiding portion 23 is an avoiding groove, specifically, the second support 22 has two second avoiding portions 23, the two second avoiding portions 23 are arranged in the second direction, the two fastening units 3 are arranged one by one corresponding to the two second avoiding portions 23, the opening of the second avoiding portion 23 faces away from the second mounting portion 12 along the third direction, so that one end of the fastening unit 3 can be placed in the corresponding second avoiding portion 23, the second avoiding portion 23 provides operation space for the connection between the second support 22 and the second mounting portion 12, and can also be used to avoid other structures around. The third direction is perpendicular to the second direction and the first direction.
[0077] A third avoiding portion 24 is formed between the two second avoiding portions 23, the opening of the third avoiding portion 24 is opposite to that of the second avoiding portion 23, and the third avoiding portion 24 is arranged to form the two second avoiding portions 23.
[0078] The second support 22 is formed by repeatedly bending a flat plate raw material to have a structure with multiple bending lines, so that the second support 22 is formed with the two second avoiding portions 23. The second support 22 of this type also has the advantages of high structural strength and strong vibration absorption and vibration resistance.
[0079] Exemplarily, the second support 22 is substantially in the shape of a rectangular wave, when the second support 22 is welded and fixed to the rear wheel cover, multi-position welding can be used, such as welding and fixing the two ends of the second support 22 to the rear wheel cover, and welding and fixing the parts of the second support 22 forming the second avoiding portions 23 to the rear wheel cover, welding and fixing the second support 22 to the rear wheel cover at multiple positions on the second support 22 can improve the connection stability between the second support 22 and the rear wheel cover.
[0080] In addition, the above is only the preferred embodiment of the present application and the applied technical principle. The person skilled in the art can understand that the present application is not limited to the specific embodiments herein, and various obvious changes, re-adjustments and substitutions can be made by the person skilled in the art without departing from the protection scope of the present application. Therefore, although the present application has been described in more detail through the above embodiments, the present application is not limited to the above embodiments, and more other equivalent embodiments can be included without departing from the concept of the present application, and the scope of the present application is determined by the scope of the appended claims.
Claims
1. A carbon tank mounting structure for mounting a carbon tank (1) to a vehicle body, characterized by comprising: The carbon tank mounting structure comprises: a first mounting portion (11) and two second mounting portions (12), both of which are arranged on the carbon tank (1); a bracket assembly (2), which comprises a first bracket (21) and a second bracket (22) both connected to the vehicle body; a first vibration isolation member (4), wherein the first mounting portion (11) is mounted on the first bracket (21) and the first vibration isolation member (4) is arranged between the first mounting portion (11) and the first bracket (21); two second vibration isolation members (5), which are arranged one by one with the two second mounting portions (12), and the second bracket (22) is fixedly connected with the second mounting portion (12) and the second vibration isolation member (5) is arranged between the second bracket (22) and the second mounting portion (12).
2. The carbon can mounting structure according to claim 1, characterized by The first vibration isolation member (4) and the second vibration isolation member (5) are arranged along a first direction; The two second vibration isolation members (5) are distributed along a second direction, and the first vibration isolation member (4) is located between the two second vibration isolation members (5) along the second direction, and the first direction is perpendicular to the second direction.
3. The carbon can mounting structure according to claim 1, characterized by The first mounting portion (11) is hung on the first bracket (21), and the second bracket (22) is tightly connected with the second mounting portion (12).
4. The carbon can mounting structure according to claim 3, characterized by One of the first bracket (21) and the first mounting portion (11) is provided with a plug hole, and the other is provided with a plug portion, the plug portion is inserted into the plug hole, the first vibration isolation member (4) comprises a vibration isolation body, the vibration isolation body is mounted in the plug hole in interference fit, and the plug portion is inserted into the vibration isolation body in interference fit.
5. The carbon can mounting structure according to claim 4, characterized by The first vibration isolation member (4) further comprises vibration isolation flanges arranged at both axial ends of the vibration isolation body, and the first bracket (21) or the first mounting portion (11) provided with the plug hole is clamped between the two vibration isolation flanges along the axial direction of the first vibration isolation member (4).
6. The carbon can mounting structure according to any one of claims 1 to 5, characterized by The second bracket (22) and the second mounting portion (12) are connected through a fastening unit (3), the fastening unit (3) is inserted into the second vibration isolation member (5), one end of the second vibration isolation member (5) is clamped between the second bracket (22) and the second mounting portion (12) along the axial direction of the second vibration isolation member (5); The other end of the second vibration isolation member (5) is pressed to the second bracket (22) or the second mounting portion (12) along the axial direction of the second vibration isolation member (5) by one end of the fastening unit (3).
7. The carbon can mounting structure according to any one of claims 1 to 5, characterized by The first vibration isolation member (4) is a three-ethylene propylene rubber structure or a silica gel structure; And / or, the second vibration isolation member (5) is a three-ethylene propylene rubber structure or a silica gel structure.
8. The carbon can mounting structure according to any one of claims 1 to 5, characterized by The first bracket (21) is provided with a first avoiding portion; And / or, the second bracket (22) is provided with a second avoiding portion (23).
9. A carbon can assembly characterized by, The carbon tank (1) and the carbon tank mounting structure according to any one of claims 1 to 8, wherein the first mounting portion (11) and the two second mounting portions (12) are arranged on the carbon tank (1).
10. The canister assembly of claim 9, wherein, The first mounting portion (11) is integrally formed on the outer shell of the carbon canister (1), or is separately provided from the outer shell of the carbon canister (1) and fixedly mounted on the outer shell of the carbon canister (1).
11. The canister assembly of claim 9 or 10, wherein, The second mounting portion (12) is integrally formed on the outer shell of the carbon canister (1), or is separately provided from the outer shell of the carbon canister (1) and fixedly mounted on the outer shell of the carbon canister (1).
12. An engine system characterized by, The carbon canister assembly of any one of claims 9 to 11.
13. Vehicle, characterized in that The carbon canister assembly of claim 12, wherein the first bracket (21) and the second bracket (22) are connected to the vehicle body.
14. The vehicle of claim 13, wherein, The vehicle body comprises a left rear wheel cover and a right rear wheel cover, and the first bracket (21) and the second bracket (22) are connected to the left rear wheel cover or the right rear wheel cover.