Urea box fastening structure, urea box assembly and vehicle

Abstract

The utility model provides a urea box fastening structure, a urea box assembly and a vehicle, the urea box fastening structure is used for fixing a urea box, the urea box fastening structure comprises: a support frame arranged at a position to be installed of the urea box; the two ends of the flexible fastener are connected with the two ends of the supporting frame respectively, so that a mounting space for mounting the urea box is defined by the flexible fastener and the supporting frame; and at least one end of the flexible fastener is connected with the supporting frame through the elastic connecting assembly, so that the problem that in the prior art, the size of the urea box can be reduced in cold weather, and consequently a fastening pull belt used for fixing the urea box cannot fix the urea box is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of urea tanks, and in particular to a urea tank fastening structure, a urea tank assembly and a vehicle. Background Art

[0002] The urea tank in a vehicle mainly refers to the urea solution storage tank in the vehicle exhaust treatment system, which stores urea solution for reducing the emission of nitrogen oxides in the exhaust of diesel vehicles. The urea tank in the prior art is usually made of metal or plastic, and is fastened with fastening straps and bolts. When the temperature drops, the material of the urea tank will shrink and the volume of the urea tank will become smaller. At this time, a gap will be generated between the fastening strap and the urea tank, and the fastening strap can no longer fasten the urea tank. In severe cases, it may even fall off the bracket.

[0003] A loose urea tank may cause urea solution leakage, causing pollution to the vehicle and the surrounding environment. If the urea supply is unstable, the exhaust gas treatment system will not be able to effectively reduce nitrogen oxide emissions, which will eventually lead to a decline in vehicle performance. Utility Model Content

[0004] The main purpose of the utility model is to provide a urea tank fastening structure, a urea tank assembly and a vehicle, so as to solve the problem in the prior art that the volume of the urea tank will shrink in cold weather, thereby causing the fastening strap used to fix the urea tank to be unable to fix the urea tank.

[0005] In order to achieve the above-mentioned purpose, according to the first aspect of the utility model, a urea tank fastening structure is provided for fixing the urea tank, and the urea tank fastening structure comprises: a support frame, which is arranged at the position to be installed of the urea tank; a flexible fastener, whose two ends are respectively connected to the two ends of the support frame to jointly enclose an installation space for installing the urea tank; and an elastic connection component, at least one end of the flexible fastener is connected to the support frame through the elastic connection component.

[0006] Furthermore, the elastic connection assembly includes: a connecting piece, a first end of which is located on a side of the support frame away from the installation space, and a second end of the connecting piece passes through the support frame and is connected to the flexible fastener; an elastic piece, which is sleeved on the connecting piece and located between the connecting piece and the support frame.

[0007] Furthermore, the support frame is provided with a mounting through hole for the connecting member to pass through, the connecting member is a bolt, the first end of the connecting member is a nut end of the bolt, and the second end of the connecting member is a threaded end of the bolt.

[0008] Furthermore, the flexible fastener includes an intermediate metal belt and a flexible protective cover wrapped around the outside of the intermediate metal belt, and a limiting groove for limiting the flexible fastener is provided on the urea tank; the urea tank fastening structure also includes a nut arranged at one end of the intermediate metal belt close to the elastic connection component, and the nut is threadedly connected to the second end of the connector.

[0009] Furthermore, the elastic member includes a compression spring and / or a spring leaf and / or a disc spring.

[0010] Furthermore, the center line of the connecting member is inclined with respect to the support frame, and the elastic connecting assembly also includes an inclined support member, which is clamped between the support frame and the elastic member. The inclined support member is provided with a support surface for contacting the elastic member, and the support surface is perpendicular to the center line of the connecting member.

[0011] Further, the inclined support member includes: a first plate body and a second plate body, the first plate body and the second plate body are arranged at a predetermined angle, the first end of the first plate body and the first end of the second plate body are both in contact with the support frame, the second end of the first plate body is connected to the second end of the second plate body, the support surface is arranged on the second plate body and is located on the side of the second plate body away from the support frame; and / or a wedge block, the first surface of the wedge block on the side close to the support frame is used to contact the support frame, and the second surface of the wedge block on the side away from the support frame is the support surface.

[0012] Furthermore, the support frame includes a main support plate and an auxiliary support plate connected to each other, the main support plate is arranged at the bottom of the urea tank to support the urea tank; the auxiliary support plate is arranged on one side of the urea tank.

[0013] Furthermore, according to a second aspect of the utility model, a urea tank assembly is provided, comprising a urea tank and the above-mentioned urea tank fastening structure, wherein the urea tank fastening structure is used to fix the urea tank, and the number of the urea tank fastening structures is multiple, and the multiple urea tank fastening structures are arranged at intervals along the length direction of the urea tank.

[0014] Furthermore, according to a third aspect of the utility model, a vehicle is provided, comprising a vehicle body and the above-mentioned urea tank assembly, wherein a support frame of a urea tank fastening structure of the urea tank assembly is arranged on the vehicle body.

[0015] By applying the technical solution of the utility model, the urea tank fastening structure of the utility model is used to fix the urea tank, and the urea tank fastening structure includes: a support frame, which is arranged at the position to be installed of the urea tank; a flexible fastener, whose two ends are respectively connected to the two ends of the support frame to jointly enclose an installation space for installing the urea tank; and an elastic connection component, at least one end of the flexible fastener is connected to the support frame through the elastic connection component. In this way, the urea tank fastening structure provided by the utility model can effectively solve the problem that the volume of the urea tank in the prior art will shrink when the weather is cold, thereby causing the fastening strap used to fix the urea tank to be unable to fix the urea tank, and by setting the elastic member, the position of the flexible fastener can be timely adjusted after the urea tank is cooled, so as to fasten the position of the urea tank on the support frame. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting part of the present application are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 A structural schematic diagram of a urea tank assembly including an embodiment of the urea tank fastening structure of the utility model is shown;

[0018] Figure 2 A structural schematic diagram of an embodiment of a urea tank fastening structure according to the utility model is shown;

[0019] Figure 3 Shows Figure 2 A partial enlarged view of the urea tank fastening structure is shown.

[0020] The above drawings include the following reference numerals:

[0021] 1. Urea tank; 2. Support frame; 210. Main support plate; 220. Auxiliary support plate; 3. Flexible fastener; 4. Elastic connection assembly; 410. Connector; 420. Elastic member; 430. Nut; 440. Inclined support member; 441. First plate body; 442. Second plate body. DETAILED DESCRIPTION

[0022] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present utility model will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0023] like Figures 1 to 3As shown, the urea tank fastening structure of the utility model is used to fix the urea tank 1, and the urea tank 1 fastening structure includes: a support frame 2, which is arranged at the position to be installed of the urea tank 1; a flexible fastener 3, whose two ends are respectively connected to the two ends of the support frame 2 to jointly enclose an installation space for installing the urea tank 1; and an elastic connecting component 4, at least one end of the flexible fastener 3 is connected to the support frame 2 through the elastic connecting component 4.

[0024] In this way, the urea tank fastening structure provided by the utility model can timely adjust the position of the flexible fastener 3 after the urea tank 1 shrinks in volume due to cold by arranging the elastic member 420 between the support frame 2 and the connecting member 410, so as to achieve the purpose of always pressing the urea tank 1 against the support frame 2, and effectively solve the problem in the prior art that the volume of the urea tank will shrink in cold weather, thereby causing the fastening strap used to fix the urea tank to be unable to fix the urea tank.

[0025] Optionally, the number of the elastic connection components 4 is one or more.

[0026] In the first embodiment of the urea tank fastening structure of the utility model, one end of the flexible fastener 3 is connected to one end of the support frame 2 through one or more elastic connection components 4, and the other end of the flexible fastener 3 is connected to the other end of the support frame 2 through the elastic connection component 4.

[0027] In the second embodiment of the urea tank fastening structure of the utility model, one end of the flexible fastener 3 is connected to one end of the support frame 2 through one or more elastic connection components 4, and the other end of the flexible fastener 3 is connected to the other end of the support frame 2 through one or more elastic connection components 4.

[0028] like Figure 3 As shown, the elastic connection component 4 includes: a connecting member 410, the first end of the connecting member 410 is located on the side of the support frame 2 away from the installation space, and the second end of the connecting member 410 passes through the support frame 2 and is connected to the flexible fastener 3; an elastic member 420, the elastic member 420 is sleeved on the connecting member 410 and is located between the connecting member 410 and the support frame 2.

[0029] Specifically, the support frame 2 is provided with a mounting through hole for the connecting member 410 to pass through, the connecting member 410 is a bolt, the first end of the connecting member 410 is the nut end of the bolt, and the second end of the connecting member 410 is the threaded end of the bolt.

[0030] In the urea tank fastening structure provided by the utility model, the flexible fastener 3 includes an intermediate metal belt and a flexible protective cover wrapped around the outside of the intermediate metal belt, and a limiting groove for limiting the flexible fastener 3 is provided on the urea tank 1; the urea tank fastening structure also includes a nut 430 arranged at one end of the intermediate metal belt close to the elastic connecting component 4, and the nut 430 is threadedly connected to the second end of the connecting piece 410.

[0031] like Figure 2 and Figure 3 As shown, the elastic connection component 4 of the urea tank fastening structure of the utility model connects the support frame 2 with the flexible fastener 3 by setting a connecting piece 410 and an elastic piece 420. After the urea tank is cooled and its volume shrinks, the position of the flexible fastener 3 in the upper limit groove of the urea tank will be offset. At this time, the elastic action of the elastic piece 420 will cause the connecting piece 410 to move away from the urea tank 1 to tighten the flexible fastener 3, so that the flexible fastener 3 is stuck on the urea tank 1, thereby pressing the urea tank 1 tightly against the support frame 2.

[0032] Optionally, the middle metal band in the flexible fastener 3 and the nut 430 are connected by welding or other methods that can achieve fixed connection.

[0033] Specifically, the elastic member 420 includes a compression spring and / or a spring leaf and / or a disc spring.

[0034] In the first embodiment of the elastic member 420 of the urea tank fastening structure of the present invention, the elastic member 420 is a compression spring.

[0035] Optionally, the number of the compression springs is one or more.

[0036] In the second embodiment of the elastic member 420 of the urea tank fastening structure of the present invention, the elastic member 420 is a spring sheet.

[0037] Optionally, the number of the spring leaves is one or more.

[0038] In the third embodiment of the elastic member 420 of the urea tank fastening structure of the present invention, the elastic member 420 is a disc spring.

[0039] Optionally, the number of disc springs is one or more.

[0040] like Figure 3 As shown, the center line of the connecting member 410 is inclined to the support frame 2, and the elastic connecting component 4 also includes an inclined support member 440, which is clamped between the support frame 2 and the elastic member 420. The inclined support member 440 is provided with a supporting surface for contacting the elastic member 420, and the supporting surface is perpendicular to the center line of the connecting member 410.

[0041] Specifically, the inclined support member 440 includes: a first plate body 441 and a second plate body 442, the first plate body 441 and the second plate body 442 are arranged at a predetermined angle, the first end of the first plate body 441 and the first end of the second plate body 442 are both in contact with the support frame 2, the second end of the first plate body 441 is connected to the second end of the second plate body 442, the support surface is arranged on the second plate body 442 and is located on the side of the second plate body 442 away from the support frame 2; and / or a wedge block, the first surface of the wedge block on the side close to the support frame 2 is used to contact the support frame 2, and the second surface of the wedge block on the side away from the support frame 2 is the support surface.

[0042] In the first embodiment of the inclined support member 440 of the urea tank fastening structure of the utility model, the inclined support member 440 is a plate body, which includes a first plate body 441 and a second plate body 442, and the first plate body 441 and the second plate body 442 are arranged at an obtuse angle, a right angle or an acute angle, and the side of the second plate body 442 away from the support frame 2 is a support surface in contact with the elastic member 420.

[0043] In the second embodiment of the inclined support member 440 of the urea tank fastening structure of the utility model, the inclined support member 440 is a wedge-shaped block, which includes a first surface and a second surface set at an acute angle, the first surface is used to contact the support frame 2, and the second surface is a support surface in contact with the elastic member 420.

[0044] like Figure 2 As shown, the support frame 2 includes a main support plate 210 and an auxiliary support plate 220 connected to each other. The main support plate 210 is arranged at the bottom of the urea tank 1 to support the urea tank 1 ; the auxiliary support plate 220 is arranged on one side of the urea tank 1 .

[0045] like Figure 1 As shown, an avoidance groove for avoiding the urea pump is provided between the auxiliary support plate 220 of the support frame 2 and the urea tank 1, and the urea pump is connected to the auxiliary support plate 220 by bolts.

[0046] Specifically, the auxiliary support plate 220 includes a plurality of bolts for fixing the urea pump.

[0047] The utility model provides a urea tank assembly, comprising a urea tank 1 and a urea tank fastening structure, wherein the urea tank fastening structure is used to fix the urea tank 1, and the number of the urea tank fastening structures is multiple, and the multiple urea tank fastening structures are arranged at intervals along the length direction of the urea tank 1.

[0048] The utility model also provides a vehicle, comprising a vehicle body and a urea tank assembly, wherein a support frame 2 of a urea tank fastening structure of the urea tank assembly is arranged on the vehicle body.

[0049] In summary, the urea tank fastening structure of the utility model solves the problem in the prior art that the volume of the urea tank shrinks when the weather is cold, resulting in the inability of the fastening strap used to fix the urea tank to fix the urea tank. It avoids the problem that the loose urea tank may cause leakage of urea solution and the inability to effectively reduce nitrogen oxide emissions, improves the overall performance of the vehicle, and effectively reduces harmful substances in automobile exhaust emissions.

[0050] From the above description, it can be seen that the above embodiments of the utility model achieve the following technical effects:

[0051] The urea tank fastening structure of the utility model is used to fix the urea tank 1, and the urea tank 1 fastening structure includes: a support frame 2, which is arranged at the position to be installed of the urea tank 1; a flexible fastener 3, whose two ends are respectively connected to the two ends of the support frame 2 to jointly enclose an installation space for installing the urea tank 1; and an elastic connection component 4, at least one end of the flexible fastener 3 is connected to the support frame 2 through the elastic connection component 4. In this way, the urea tank fastening structure provided by the utility model can effectively solve the problem that the volume of the urea tank in the prior art will shrink when the weather is cold, thereby causing the fastening strap used to fix the urea tank to be unable to fix the urea tank, and by setting the elastic component 420, the position of the flexible fastener 3 can be timely adjusted after the urea tank is cooled, so as to fasten the position of the urea tank 1 on the support frame 2.

[0052] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, it indicates the presence of features, steps, operations, devices, components and / or combinations thereof.

[0053] Unless otherwise specifically stated, the relative arrangement, numerical expressions and numerical values ​​of the parts and steps set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the accompanying drawings are not drawn according to the actual proportional relationship. The technology, method and equipment known to those of ordinary skill in the relevant field may not be discussed in detail, but in appropriate cases, the technology, method and equipment should be considered as a part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as being merely exemplary, rather than as a limitation. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters represent similar items in the following drawings, so that once a certain item is defined in an accompanying drawing, it does not need to be further discussed in subsequent drawings.

[0054] In the description of the present application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present application; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0055] For ease of description, spatially relative terms such as "above", "above", "on the upper surface of", "above", etc. may be used here to describe the spatial positional relationship between a device or feature and other devices or features as shown in the figure. It should be understood that spatially relative terms are intended to include different orientations of the device in use or operation in addition to the orientation described in the figure. For example, if the device in the accompanying drawings is inverted, the device described as "above other devices or structures" or "above other devices or structures" will be positioned as "below other devices or structures" or "below other devices or structures". Thus, the exemplary term "above" can include both "above" and "below". The device can also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used here are interpreted accordingly.

[0056] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0057] The above description is only the preferred embodiment of the utility model, and is not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A urea tank fastening structure, characterized in that: Used to fix the urea tank (1), the urea tank (1) fastening structure comprises: A support frame (2), the support frame (2) being arranged at a position to be installed on the urea tank (1); A flexible fastener (3), two ends of the flexible fastener (3) being respectively connected to two ends of the support frame (2) to jointly enclose an installation space for installing the urea tank (1); An elastic connection component (4), wherein at least one end of the flexible fastener (3) is connected to the support frame (2) via the elastic connection component (4).

2. The urea tank fastening structure according to claim 1, characterized in that: The elastic connection component (4) comprises: a connecting member (410), wherein a first end of the connecting member (410) is located on a side of the support frame (2) away from the installation space, and a second end of the connecting member (410) passes through the support frame (2) and is connected to the flexible fastener (3); An elastic member (420), wherein the elastic member (420) is sleeved on the connecting member (410) and is located between the connecting member (410) and the supporting frame (2).

3. The urea tank fastening structure according to claim 2, characterized in that: The support frame (2) is provided with a mounting through hole for the connecting member (410) to pass through, the connecting member (410) is a bolt, the first end of the connecting member (410) is a nut end of the bolt, and the second end of the connecting member (410) is a threaded end of the bolt.

4. The urea tank fastening structure according to claim 3, characterized in that: The flexible fastener (3) comprises an intermediate metal belt and a flexible protective sleeve covering the outer side of the intermediate metal belt, and the urea tank (1) is provided with a limiting groove for limiting the position of the flexible fastener (3); The urea tank fastening structure further comprises a nut (430) arranged at one end of the intermediate metal belt close to the elastic connection assembly (4), and the nut (430) is threadedly connected to the second end of the connecting member (410).

5. The urea tank fastening structure according to claim 2, characterized in that: The elastic member (420) includes a compression spring and / or a spring leaf and / or a disc spring.

6. The urea tank fastening structure according to claim 2, characterized in that: The center line of the connecting member (410) is arranged obliquely with respect to the support frame (2); the elastic connecting assembly (4) further comprises an inclined supporting member (440); the inclined supporting member (440) is clamped between the support frame (2) and the elastic member (420); a supporting surface for contacting the elastic member (420) is provided on the inclined supporting member (440); the supporting surface is perpendicular to the center line of the connecting member (410).

7. The urea tank fastening structure according to claim 6, characterized in that: The inclined support member (440) comprises: A first plate body (441) and a second plate body (442), wherein the first plate body (441) and the second plate body (442) are arranged at a predetermined angle, the first end of the first plate body (441) and the first end of the second plate body (442) are both in contact with the support frame (2), the second end of the first plate body (441) and the second end of the second plate body (442) are connected, and the support surface is arranged on the second plate body (442) and is located on a side of the second plate body (442) away from the support frame (2); and / or A wedge block, wherein a first surface of the wedge block on a side close to the support frame (2) is used for contacting the support frame (2), and a second surface of the wedge block on a side away from the support frame (2) is the support surface.

8. The urea tank fastening structure according to claim 1, characterized in that: The support frame (2) comprises a main support plate (210) and an auxiliary support plate (220) connected to each other, and the main support plate (210) is arranged at the bottom of the urea tank (1) to support the urea tank (1); The auxiliary support plate (220) is arranged on one side of the urea tank (1).

9. A urea tank assembly, characterized in that: The invention comprises a urea tank (1) and a urea tank fastening structure according to any one of claims 1 to 8, wherein the urea tank fastening structure is used to fix the urea tank (1), and the number of the urea tank fastening structures is multiple, and the multiple urea tank fastening structures are arranged at intervals along the length direction of the urea tank (1).

10. A vehicle, characterized in that: It comprises a vehicle body and the urea tank assembly according to claim 9, wherein a support frame (2) of a urea tank fastening structure of the urea tank assembly is arranged on the vehicle body.

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