CN212637672U

CN212637672U - Front wall fixing frame in cabin of long-head vehicle air filter

Info

Publication number: CN212637672U
Application number: CN202020660697.6U
Authority: CN
Inventors: 刘阿龙; 张少君; 于海涛; 赵全伟
Original assignee: Shaanxi Huazhen Automotive Components Co ltd
Current assignee: Shaanxi Huazhen Automotive Components Co ltd
Priority date: 2020-04-27
Filing date: 2020-04-27
Publication date: 2021-03-02
Anticipated expiration: 2030-04-27

Abstract

The utility model relates to a vehicle air intake system technical field, concretely relates to enclose mount before long-head vehicle air filter cabin. The front wall structure comprises an air filter fixing structure, a front wall mounting surface and a middle connecting transition structure; the air filter fixing structure comprises an upper support arm and a lower support arm, wherein the upper support arm and the lower support arm are respectively connected to the upper end and the lower end of the middle connecting transition structure and extend to the front of the middle connecting transition structure; the front wall mounting surface comprises a middle mounting surface and two side wing mounting surfaces, the middle mounting surface is fixed at the upper end of the rear surface of the middle connection transition structure, and the two side wing mounting surfaces are respectively mounted at two sides of the lower end of the middle connection transition structure; the fixed mounting points on the middle mounting surface and the two side wing mounting surfaces are arranged in a triangular position. The whole body is formed by one-step injection molding of nylon, so that the light weight of a product is realized, the natural frequency of an engine is avoided in a first-order mode, the problem of the pull crack of a cab is thoroughly solved, and the driving safety is greatly improved.

Description

Front wall fixing frame in cabin of long-head vehicle air filter

Technical Field

The utility model relates to a vehicle air intake system technical field, concretely relates to enclose mount before long-head vehicle air filter cabin.

Background

According to the requirements of relevant national regulations, the heavy truck industry develops from a flat-head truck stage to a long-head truck stage slowly, an air inlet system is also arranged from the back of a cab and develops into an engine compartment, an air filter assembly needs to be installed and fixed in the engine compartment, the thickness of a front wall metal plate of the cab is only 1.2mm, the weight of the air filter is up to 9KG, and the problem of tensile crack of a cab body is caused.

In view of the above problems, the inventor of the present invention has finally obtained the present invention through long-term research and practice.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a enclose mount before in longhead car air filter cabin, it has solved the driver's cabin automobile body because of bearing the pull problem of splitting that empty filter leads to.

The utility model discloses a technical scheme lie in:

a front wall fixing frame in a cabin of an air filter of a long-head vehicle is characterized by comprising an air filter fixing structure, a front wall mounting surface and a middle connecting transition structure;

the middle connecting transition structure is a plate-shaped structure;

the air filter fixing structure comprises an upper supporting arm and a lower supporting arm, wherein the upper supporting arm and the lower supporting arm are respectively connected to the upper end and the lower end of the middle connecting transition structure and extend towards the front of the middle connecting transition structure;

the front wall mounting surface comprises a middle mounting surface and two side wing mounting surfaces, the middle mounting surface is fixed at the upper end of the rear surface of the middle connection transition structure, and the two side wing mounting surfaces are respectively mounted at two sides of the lower end of the middle connection transition structure;

and the middle mounting surface and the two side wing mounting surfaces are respectively provided with a fixed mounting point connected with a front wall structure of a vehicle cabin, and the fixed mounting points are arranged in a triangular position.

Preferably, the nylon material is integrally injection-molded, and the injection-molded wall thickness is 3-6 mm.

Preferably, the nylon material is glass fiber reinforced nylon, and specifically adopts PA + GF 28%.

Preferably, the position of the fixing frame connected with the air filter is deviated by 3-20mm according to the actual outer boundary of the air filter.

Preferably, the first reinforcing rib is arranged at the intersection position of the two side wing mounting surfaces, the middle connecting transition structure and the lower supporting arm.

Preferably, the upper surface of the upper supporting arm is provided with a second reinforcing rib.

Preferably, the first order modes of the mount avoid the natural frequencies of the engine.

Preferably, the upper support arm and the lower support arm are both plate-shaped structures.

Preferably, the two wing mounting surfaces are both of irregular plate-like configuration.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model discloses a enclose the mount before in the long-head car air filter cabin, adopt nylon one shot forming of moulding plastics, product size precision is high, and the quality promotes.

2. The utility model discloses a enclose mount before in longhead car air filter cabin and reduce by 50% than current mount weight, realize the product lightweight.

3. The utility model discloses a first-order mode of enclosing the mount before in long-head vehicle air filter cabin avoids engine natural frequency, and the performance reliability promotes.

4. The utility model discloses a enclose the mount before in the long-head vehicle air filter cabin and thoroughly solved the driver's cabin and drawn the problem of splitting, improved driving safety nature greatly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a front view structural view of a front wall fixing frame in a cabin of a long-head vehicle air filter of the present invention;

FIG. 2 is a left side view of the front wall fixing frame in the cabin of the long-head vehicle air filter of the present invention;

fig. 3 is a top view structure diagram of the front wall fixing frame in the cabin of the long-head vehicle air filter of the present invention.

Detailed Description

The above and further features and advantages of the present invention will be described in more detail below with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

As shown in fig. 1 to 3, in the present embodiment, the front wall fixing frame in the cabin of the long-head vehicle air filter includes an air filter fixing structure 1, a front wall mounting surface 2, and an intermediate connecting transition structure 3. The intermediate connection transition structure 3 is designed and perfected according to the front wall mounting surface 2 and the air filter fixing structure 1, the intermediate connection transition structure 3 is considered not to interfere with the use of relevant parts in the cabin, and the intermediate connection transition structure 3 is of a plate-shaped structure. According to empty fixed knot structure 1 of straining of structural design, empty fixed knot that strains 1 includes support arm and lower support arm, goes up support arm and lower support arm and connects respectively in the upper and lower end of intermediate junction transition structure 3 to extend to the place ahead of intermediate junction transition structure 3. The front wall mounting surface 2 is designed according to a front wall structure of an engine room, the front wall mounting surface 2 comprises a middle mounting surface and two side wing mounting surfaces, the middle mounting surface is fixed at the upper end of the rear surface of the middle connecting transition structure 3, and the two side wing mounting surfaces are respectively mounted on two sides of the lower end of the middle connecting transition structure. The thickness of the metal plate of the front wall of the automobile body is only 1.2mm, but the weight of 15KG or even higher is borne finally, the stress points are dispersed in order to ensure that the automobile body is not cracked, and the fixed point of the mounting surface of the front wall is arranged on the front wall of the automobile body in a triangular mode, so that the stress dispersion is uniform and firm.

In a preferred embodiment, the front wall fixing frame in the cabin of the long-head vehicle air filter is integrally formed by injection molding of a nylon material, the material is engineering plastics, and the injection wall thickness is 3-6 mm. The product adopts nylon injection molding process, once injection molding, and product size precision is high, and the quality promotes. The selection of the wall thickness not only meets the bearing reliability but also ensures the light weight of the product. Preferably, the material is glass fiber reinforced nylon, specifically PA + GF 28%, and the material is selected in consideration of the structure and performance requirements of the product and determined by repeated tests.

In a preferred embodiment, the reinforcing rib conforming to the principle of the die is designed according to the current structure, so that the strength of the product is ensured; and the product reinforcing rib is perfected under the condition of ensuring the realization of the die. The specific scheme is that a first reinforcing rib 4 is arranged at the intersection position of the two flank mounting surfaces, the middle connecting transition structure 3 and the lower supporting arm, and a second reinforcing rib 5 is arranged on the upper surface of the upper supporting arm.

In a specific embodiment, the air filter fixing bracket fixing air filter structure is designed according to the air filter structure, and the position of the front wall fixing bracket in the cabin of the long-head vehicle air filter and the air filter are deviated by 3-20mm according to the actual outer boundary of the air filter in consideration of appearance and space factors.

In a more specific embodiment, the upper support arm and the lower support arm are both of a plate-shaped structure, and the two flank mounting surfaces are both of an irregular plate-shaped structure, so that the support strength is greatly improved, and the weight of the product is correspondingly reduced.

In a preferred embodiment, the front wall fixing frame in the cabin of the long-head vehicle air filter is designed to have a first-order mode to avoid the natural frequency of an engine, so that the performance reliability of the long-head vehicle air filter is greatly improved, and the CAE analysis is performed on the current structure to meet the use requirement.

The foregoing is merely a preferred embodiment of the invention, which is intended to be illustrative, not limiting. The utility model discloses in all can change to some extent structure and connected mode etc. of each part all be in the utility model discloses equal transform and the improvement of going on technical scheme's the basis all should not get rid of the utility model discloses an outside the protection scope.

Claims

1. A front wall fixing frame in a cabin of an air filter of a long-head vehicle is characterized by comprising an air filter fixing structure, a front wall mounting surface and a middle connecting transition structure;

the middle connecting transition structure is a plate-shaped structure;

2. The front wall fixing frame in the cabin of the long-head vehicle air filter device as claimed in claim 1, wherein the front wall fixing frame is integrally formed by injection molding of a nylon material, and the wall thickness of the injection molding is 3-6 mm.

3. The front wall fixing frame in the cabin of the long-head vehicle air filter device as claimed in claim 2, wherein the nylon material is glass fiber reinforced nylon, and is specifically PA + GF 28%.

4. The cowl mount in a cabin of an air cleaner for a long-head vehicle as claimed in claim 1, wherein a position where it is coupled to the air cleaner is shifted by 3 to 20mm depending on an actual outer boundary of the air cleaner.

5. The front wall fixing frame in the cabin of the long-head vehicle air filter as claimed in claim 1, wherein a first reinforcing rib is arranged at a junction position of the two side wing mounting surfaces, the middle connecting transition structure and the lower supporting arm.

6. The cowl mount in a cabin of a long-head air cleaner according to claim 5, wherein an upper surface of said upper support arm is provided with a second reinforcing rib.

7. A cowl mount in a cabin of a longhead vehicle air cleaner as recited in claim 1, wherein a first order mode thereof avoids an engine natural frequency.

8. The cowl mount in a cabin of a long-head vehicle air cleaner according to claim 1, wherein the upper support arm and the lower support arm are each of a plate-like structure.

9. The cowl mount in a cabin of a long-head air cleaner according to claim 1, wherein both of the two wing mounting surfaces are irregular plate-like structures.