Rear sealing structure of engine hood

Abstract

The utility model relates to an engine hood rear sealing structure which comprises an engine hood outer plate, an engine hood inner plate fixed on the inner side of the engine hood outer plate and an air window upper protection plate, two grooves are formed in the position, close to the rear side of the engine hood inner plate, of the engine hood inner plate, a sealing mechanism is arranged on the air window upper protection plate, and the air window upper protection plate is connected with the engine hood inner plate. The sealing mechanism comprises a base, sealing protrusions are integrally formed on the base, the number of the sealing protrusions is two, the sealing protrusions are correspondingly used for being clamped into the two grooves, and inverted-L-shaped limiting clamping plates are symmetrically and fixedly connected to the positions, on the front side and the rear side of the base, of the air window upper protection plate. The front side and the rear side of the base are limited between the two limiting clamping plates, the base is fixed through the limiting clamping plates on the upper protective plate of the air window, detachable connection between the protruding ribs and the upper protective plate of the air window is achieved, and therefore maintenance cost is reduced, resource waste is reduced, and assembling flexibility is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of automobile parts manufacturing, in particular to an engine cover rear sealing structure. BACKGROUND

[0002] The engine cover is also called the engine hood, and the rear part of the engine cover is sealed to prevent the hot gas in the cabin from being sucked into the air conditioning system. Therefore, the engine cover and the sealing strip are cooperated to seal, and the traditional sealing strip is relatively cumbersome when being installed on the wind window upper guard plate. Therefore, some manufacturers integrally form the sealing strip and the sealing strip, such as the engine cover rear sealing structure with the patent number CN203544145U, which realizes the effective blocking of the hot gas in the cabin by setting the groove on the engine cover inner plate and configuring the corresponding convex rib (equivalent to the sealing strip) on the wind window upper guard plate. The convex rib and the wind window upper guard plate are integrally formed, and the triangular reinforcing rib is added on the convex rib to ensure the structural strength and stability. Although this design ensures good sealing performance and structural strength, it also brings some challenges in practical application. Since the convex rib and the wind window upper guard plate are integrated, if the convex rib is aged, deformed or damaged during long-term use, the entire wind window upper guard plate needs to be replaced during maintenance, which not only increases the cost of parts, but also increases the maintenance complexity and time cost. Therefore, in order to overcome the above-mentioned defects, it is necessary to improve the existing engine cover rear sealing structure, especially the connection mode between the sealing strip and the wind window upper guard plate, so that it can realize quick disassembly and convenient replacement, thereby reducing the maintenance cost, improving the resource utilization rate, and enhancing the flexibility during assembly. CONTENT OF THE UTILITY MODEL

[0003] The utility model provides an engine cover rear sealing structure, which solves the above-mentioned problems existing in the prior art during use.

[0004] The technical scheme of the utility model is as follows: an engine cover rear sealing structure, which comprises an engine cover outer plate, an engine cover inner plate fixed on the inner side of the engine cover outer plate, and a wind window upper guard plate, the engine cover inner plate is provided with a groove at the position close to the rear side thereof, the groove is provided with two, the wind window upper guard plate is provided with a sealing mechanism, the sealing mechanism comprises a base, the base is integrally formed with a sealing protrusion, the sealing protrusion is provided with two and is used for being clamped into the two grooves, the wind window upper guard plate is symmetrically fixed and connected with inverted L-shaped limiting clamps on the front and rear sides of the base, and the front and rear sides of the base are limited between the two limiting clamps.

[0005] Preferably, the base is provided with a screw between the two sealing protrusions, the screw penetrates the base downward and is threadedly connected on the wind window upper guard plate.

[0006] Preferably, the base is provided with a concave notch at the lower side between the two sealing protrusions, and the upper cover of the windshield is integrally provided with a convex clamping strip in the concave notch.

[0007] Preferably, the sealing protrusions are arranged to be inclined towards the front side.

[0008] Preferably, the sealing protrusions are internally provided with hollow cavities.

[0009] Preferably, the sealing protrusions are provided with air vents communicating with the hollow cavities, and the air vents are arranged towards the middle positions of the two sealing protrusions.

[0010] Preferably, the edge of the inner panel of the engine cover is fixed to the inner side of the outer panel of the engine cover, and the inner panel of the engine cover is provided with a plurality of air permeable openings except for the gap between the edge and the outer panel.

[0011] In summary, the utility model has the advantages of:

[0012] 1. The sealing mechanism comprises a base and two sealing protrusions on the base, and the base is fixed by the limiting clamping plate on the upper cover of the windshield, so that the sealing mechanism and the upper cover of the windshield are detachably connected. This design enables the sealing parts to be replaced or repaired without replacing the entire upper cover of the windshield, and only the sealing mechanism needs to be disassembled, which is very simple, thereby reducing maintenance costs, saving resources, and improving assembly flexibility.

[0013] 2. The sealing mechanism and the upper cover of the windshield are further fixed by screw connection, which further enhances the fixation between the sealing mechanism and the upper cover of the windshield, and ensures the stability of the sealing structure during vehicle driving. In addition, the screw connection facilitates disassembly and assembly, which helps to simplify the disassembly steps in the maintenance process and improves work efficiency.

[0014] 3. The sealing protrusions are arranged to be inclined towards the front side, which can enhance the structural strength, and when the hot gas in the engine compartment impacts on the sealing protrusions, the sealing protrusions inclined towards the front side have better service life.

[0015] 4. The hollow cavities facilitate the deformation and resetting ability of the sealing protrusions when they are pressed by the inner panel of the engine cover, and the air vents allow the air in the sealing protrusions to circulate, which helps to balance the internal and external pressure difference.

[0016] 5. The gap and the air permeable openings between the inner panel and the outer panel of the engine cover facilitate the heat in the engine compartment to be directly dissipated through the outer panel of the engine cover, thereby improving the working efficiency of the engine. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the accompanying drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced. Obviously, the accompanying drawings in the following description only represent some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained based on these drawings without any creative effort.

[0018] Figure 1 The structure schematic view of the present application;

[0019] Figure 2 The structure schematic view of the present application; Figure 1 The local enlarged schematic view of the middle and rear side department;

[0020] Figure 3 The structure schematic view of the engine cover outer plate in the present application;

[0021] Figure 4 The structure schematic view of the engine cover inner plate in the present application.

[0022] In the drawings: 1, engine cover outer plate; 2, engine cover inner plate; 21, groove; 22, air permeation opening; 3, gap; 4, windshield upper cover plate; 41, limiting clamping plate; 42, convex clamping strip; 51, base; 511, concave notch; 52, sealing protrusion; 521, hollow cavity; 522, air vent; 6, screw. DETAILED DESCRIPTION

[0023] The accompanying drawings needed to be used in the description of the embodiments of the present application will be briefly introduced below. Figures 1-4 The technical solutions in the embodiments of the present application are described clearly and completely. Obviously, the described embodiments only represent some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without any creative effort belong to the scope of protection of the present application.

[0024] Embodiment:

[0025] For example, Figures 1 to 4The utility model discloses an engine cover rear part sealing structure, including engine cover outer sheet 1, the engine cover inner sheet 2 of fixed in the inboard of engine cover outer sheet 1, windshield upper fender 4, wherein, the engine cover inner sheet 2 is provided with recess 21 on the position close to its rear side, this recess 21 is provided with two, and windshield upper fender 4 is equipped with sealing mechanism, specifically, the sealing mechanism includes base 51, and the sealing protruding 52 of integrative forming has on base 51, the sealing protruding 52 is provided with two and is applied to the recess 21 of two carding and is used in, in addition in order to the detachable fixing of sealing mechanism, windshield upper fender 4 is fixedly connected with the limit cardboard 41 of inverted L shape on the front and rear sides of base 51 in symmetry, and the front and rear sides of base 51 are limited between two limit cardboards 41, the utility model discloses the limit cardboard 41 on windshield upper fender 4 is used to fix base 51, realizes the detachable connection between sealing mechanism and windshield upper fender 4.This design makes when needing to replace or maintain sealing part, need not overall replacement windshield upper fender 4, only needs to dismount sealing mechanism to be able to, thereby reduces maintenance cost, reduces resource waste, and improves assembly flexibility.

[0026] Further, the base 51 is provided with a plurality of screws 6 between the two sealing protrusions 52, the screws 6 pass through the base 51 downward and are threadedly connected to the windshield upper fender 4, thereby enhancing the fixing strength between the base 51 and the windshield upper fender 4, in addition, the screw 6 is connected to facilitate dismounting operation, which is helpful to simplify the dismounting step in the maintenance process and improve work efficiency, and the screw 6 located between the two sealing protrusions 52 can also avoid being eroded by external rainwater.

[0027] In addition, the base 51 is provided with a concave notch 511 on the lower side between the two sealing protrusions 52, and the windshield upper fender 4 is integrally formed with a convex clamping strip 42 located in the concave notch 511, the design of the concave notch 511 and the convex clamping strip 42 increases the fitting accuracy between the base 51 and the windshield upper fender 4, provides additional positioning and anti-disengagement functions, and the screw 6 is located at the position of the convex clamping strip 42, thereby increasing the connection area between the screw 6 and the windshield upper fender 4.

[0028] In the utility model, the sealing protrusion 52 is inclined to the front side, which can enhance the structural strength, and when the hot gas in the cabin impacts on the sealing protrusion 52, the sealing protrusion 52 inclined to the front side has better service life.

[0029] In the utility model, hollow cavity 521 is arranged in the sealing protrusion 52, and the hollow cavity 521 enhances the deformation and reset ability of the sealing protrusion 52 when the sealing protrusion 52 is extruded by the inner panel 2 of the engine hood. This design allows the sealing protrusion 52 to be appropriately compressed and deformed when the engine hood is closed, to fill the possible small gap 3, and ensure a more tightly sealed effect; at the same time, after the engine hood is opened, the elastic restoring force in the hollow cavity 521 helps the sealing protrusion 52 to quickly recover to the original shape, ensuring stability and reliability in long-term use. In addition, the hollow design can also reduce weight and save materials, further optimizing the overall performance.

[0030] Further, the sealing protrusion 52 is provided with a vent 522 communicating with the hollow cavity 521, and the vent 522 allows air in the sealing protrusion 52 to circulate, which helps to balance the pressure difference between the inside and outside, in addition, the vent 522 is directed to the middle position of the two sealing protrusions 52, which can prevent moisture from entering the inside of the sealing protrusion 52.

[0031] In the utility model, the edge of the inner panel 2 of the engine hood is fixed on the inner side of the outer panel 1 of the engine hood, and the inner panel 2 of the engine hood is provided with a gap 3 between the edge position and the outer panel 1, and the inner panel 2 of the engine hood is provided with a plurality of air permeable openings 22, and the gap 3 and the air permeable openings 22 between the inner panel 2 and the outer panel promote the heat in the engine compartment to be directly dissipated through the outer panel 1 of the engine hood, thereby facilitating the improvement of the working efficiency of the engine.

[0032] Finally, it should be pointed out that the base and the sealing protrusion in the sealing mechanism are made of polyurethane material.

[0033] It should be pointed out that the terms indicated in the utility model, such as: "front", "rear", "vertical", "horizontal", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the protection scope of the utility model.

[0034] The above is only a preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. An engine hood rear seal structure comprising an engine hood outer panel, an engine hood inner panel fixed to the inner side of the engine hood outer panel, and a windshield upper panel, characterized by: The engine cover inner plate is provided with two grooves near the rear side, the windshield upper cover is provided with a sealing mechanism, the sealing mechanism comprises a base, the base is integrally formed with sealing protrusions, the sealing protrusions are provided with two and are used for clamping into the two grooves, the windshield upper cover is symmetrically fixed with inverted L-shaped limiting clamping plates on the front and rear sides of the base, and the front and rear sides of the base are limited between the two limiting clamping plates.

2. The engine hood rear seal structure according to claim 1, characterized in that: The base is provided with a screw between the two sealing protrusions, the screw penetrates downward through the base and is screwed on the windshield upper cover.

3. A rear hood seal structure according to claim 2, characterized in that: The base is provided with a concave notch on the lower side between the two sealing protrusions, and the windshield upper cover is integrally formed with a convex clamping strip in the concave notch.

4. A rear hood seal structure according to claim 3, characterized in that: The sealing protrusions are inclined to the front side.

5. The engine hood rear seal structure of claim 1, wherein: A hollow cavity is formed in the sealing protrusion.

6. A rear hood seal structure according to claim 5, characterized in that: An air vent is formed in the sealing protrusion and communicates with the hollow cavity, and the air vent is towards the middle position of the two sealing protrusions.

7. The engine hood rear seal structure of claim 1, wherein: The edge of the engine cover inner plate is fixed on the inner side of the engine cover outer plate, a gap is formed between the edge of the engine cover inner plate and the engine cover outer plate, and a plurality of air permeable openings are formed in the engine cover inner plate.

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