CN220374437U

CN220374437U - Engine compartment sealing structure

Info

Publication number: CN220374437U
Application number: CN202322064934.9U
Authority: CN
Inventors: 郭玉宽; 杨红华; 窦振山
Original assignee: China National Heavy Duty Truck Group Jinan Power Co Ltd
Current assignee: China National Heavy Duty Truck Group Jinan Power Co Ltd
Priority date: 2023-08-02
Filing date: 2023-08-02
Publication date: 2024-01-23
Anticipated expiration: 2033-08-02

Abstract

The utility model discloses an engine cabin sealing structure, which belongs to the technical field of engine cabin sealing and comprises a windscreen wiper cover plate and a cabin cover, wherein a front sealing strip with a backward U-shaped opening is positioned and installed on the lower side of the cabin cover plate, a rear sealing strip is positioned and installed on the upper side of the windscreen wiper cover plate, sealing corners are arranged at two ends of the rear sealing strip, and a lap joint groove capable of being embedded and sealed with the end part of the front sealing strip is formed in the sealing corners. The front sealing strip sets up in cabin cover downside front edge and left and right sides border, and the back sealing strip sets up in windscreen wiper apron upside, and when the cabin cover detains, the front sealing strip pressfitting in the front side and the left and right sides of engine compartment, back sealing strip and cabin cover rear side pressfitting, and through the overlap joint groove to the sealing of front sealing strip both ends gomphosis pressure equipment, realize the full enclosure of engine compartment sealed, sealing performance is good, effectively promotes NVH effect, reduces the windage, avoids debris to get into the engine compartment and causes the problem of fire safety. The whole structure is simple, the implementation is easy, and the practicability is good.

Description

Engine compartment sealing structure

Technical Field

The utility model belongs to the technical field of engine compartment sealing, and particularly relates to an engine compartment sealing structure.

Background

An automotive engine compartment is one of the core parts of an automobile and takes on an important role in converting fuel into power. In the engine compartment, various critical devices such as an engine, a transmission system, a cooling system, a circuit system and the like are operated in a staggered manner, and the critical devices cooperate with each other to form strong power and reliability of the vehicle.

First, the engine is the most central part of the engine compartment of an automobile, which is the device that converts the chemical energy input into mechanical energy. Secondly, the transmission system is also a large part of the engine compartment of the automobile, and comprises a gearbox, a universal joint, a differential and the like, which cooperate to transmit power to the driving wheels of the automobile, thereby pushing the automobile forward. Again, the cooling system is also a very important part in the engine compartment of an automobile, and when the automobile engine works, a great amount of heat can be generated, and if heat cannot be dissipated in time, the performance and the service life of the automobile can be directly affected. Finally, the circuit system is an indispensable part in the engine compartment of the automobile, and the main function of the circuit system is to transmit electric energy to the engine and the vehicle and support the normal operation of various devices.

Good sealing performance inside the engine compartment is a guarantee of reliable operation of the components inside the engine compartment. At present, the sealing of the circumference of the engine compartment cover of the main stream vehicle type is discontinuous, the sealing effect of the inside of the engine compartment is poor, the NVH effect outside the vehicle is affected, the wind resistance is affected, sundries such as leaves are easy to enter the inside of the engine compartment, and the fire safety of the vehicle is greatly affected.

Disclosure of Invention

The utility model provides an engine compartment sealing structure, which aims to solve the problems that the sealing of the peripheral ring of the existing engine compartment cover is discontinuous, the NVH effect outside a vehicle is influenced, wind resistance is influenced, sundries such as leaves are easy to enter, and the fire safety of the vehicle is greatly influenced.

The utility model is realized by the following technical scheme:

the utility model provides an engine compartment seal structure, includes the windscreen wiper apron of installing in engine compartment upside rear portion and rotates the cabin cover of installing in engine compartment upper portion, and the front seal strip that is the U type backward of opening is installed to cabin cover downside location, and the windscreen wiper apron upside location is installed back sealing strip, and back sealing strip both ends are equipped with sealed angle, offer on the sealed angle can with the sealed overlap joint groove of front seal strip tip gomphosis.

A further development of the utility model provides that the overlapping groove opening is directed upwards.

The utility model further improves that the middle part of the lower side of the sealing joint angle is provided with a convex part, and the lower edge of the convex part is provided with a plugging sheet.

A further development of the utility model provides that the upper edge of the nacelle is provided with a nacelle trim.

The utility model further improves that the lower part of the sealing joint angle is respectively clamped and installed with the wiper cover plate and the cabin decorating part through the sealing joint angle installation buckle.

The utility model further improves that the sealing angle installation buckles are respectively arranged at the inner side, the middle and the outer side of the bottom of the sealing angle, the sealing angle installation buckles at the inner side and the middle are in clamping connection with the windscreen wiper cover plate, and the sealing angle installation buckle at the outer side is in clamping connection with the end part of the cabin decorating part.

The utility model further improves that the rear sealing strip and the front sealing strip are formed by extruding EPDM foaming rubber.

The utility model further improves that the sealing joint angle is formed by EPDM hot melting and molding.

In addition, the utility model further improves that the rear edges of the two sides of the engine room cover are provided with engine room cover connecting frames, and the edges of the engine room are provided with mounting frames which are rotatably connected with the engine room cover connecting frames.

The utility model further improves that the upper side of the sealing joint angle is provided with a clearance groove which can be used for buckling the cabin cover connecting frame.

From the technical scheme, the beneficial effects of the utility model are as follows:

the front sealing strip sets up in cabin cover downside front edge and left and right sides border, and the back sealing strip sets up in windscreen wiper apron upside, and when the cabin cover detains, the front sealing strip pressfitting in the front side and the left and right sides of engine compartment, back sealing strip and cabin cover rear side pressfitting, and through the overlap joint groove to the sealing of front sealing strip both ends gomphosis pressure equipment, realize the full enclosure of engine compartment sealed, sealing performance is good, effectively promotes NVH effect, reduces the windage, avoids debris to get into the engine compartment and causes the problem of fire safety. The whole structure is simple, the implementation is easy, and the practicability is good.

Drawings

In order to more clearly illustrate the technical solutions of the present utility model, the drawings that are needed in the description will be briefly introduced below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of an embodiment of the present utility model.

Fig. 2 is a schematic view showing the cooperation of the front sealing strip and the rear sealing strip according to the embodiment of the present utility model.

Fig. 3 is an enlarged partial schematic view of the portion a in fig. 2.

Fig. 4 is a schematic view of a seal corner structure according to an embodiment of the present utility model.

FIG. 5 is a schematic illustration of nacelle cover installation of an embodiment of the utility model.

In the accompanying drawings: 1. cabin cover, 2, wiper cover plate, 3, front sealing strip, 4, back sealing strip, 5, cabin cover link, 6, mounting bracket, 7, cabin decoration, 8, sealing joint angle, 81, keep away the position groove, 82, overlap joint groove, 83, shutoff piece, 84, sealing joint angle installation buckle.

Detailed Description

In order to make the objects, features and advantages of the present utility model more obvious and understandable, the technical solutions of the present utility model will be clearly and completely described below with reference to the drawings in this specific embodiment, and it is apparent that the embodiments described below are only some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, based on the embodiments in this patent, which would be within the purview of one of ordinary skill in the art without the particular effort to make the utility model are intended to be within the scope of the patent protection.

As shown in fig. 1-5, an alternative embodiment of the present utility model discloses a sealing structure of an engine compartment, which comprises a wiper cover 2 installed at the rear part of the upper side of the engine compartment and a cabin cover 1 rotatably installed at the upper part of the engine compartment, wherein a front sealing strip 3 in a shape of a U with an opening backwards is installed at the lower side of the cabin cover 1 in a positioning manner, a rear sealing strip 4 is installed at the front edge of the upper side of the wiper cover 2 in a positioning manner, sealing corners 8 are arranged at two ends of the rear sealing strip 4, and overlapping grooves 82 capable of being embedded and sealed with the ends of the front sealing strip 3 are formed in the sealing corners 8.

The front sealing strip 3 sets up in the front edge of cabin cover 1 downside and control the border, back sealing strip 4 sets up in windscreen wiper apron 2 upside, when cabin cover 1 detains, front sealing strip 3 pressfitting in the front side and the left and right sides of engine compartment, back sealing strip 4 and cabin cover 1 rear side pressfitting, and it is sealed to the gomphosis pressure equipment of front sealing strip 3 both ends portion through overlap joint groove 82, realize the full enclosure to the engine compartment and seal, sealing performance is good, effectively promote NVH effect, reduce the windage, avoid debris to get into the engine compartment and cause the problem of fire safety. The whole structure is simple, the implementation is easy, and the practicability is good.

Wherein, the overlap joint groove 82 opening upwards is forward, and overlap joint groove 82 trailing flank and preceding sealing strip 3 rear end portion have certain clearance, and when preceding sealing strip 3 tip gomphosis pressure equipment was to overlap joint inslot 82, can avoid the interference to preceding sealing strip 3 to block, guarantees life, and leaves the clearance for the extrusion deformation of preceding sealing strip 3, guarantees the reliability of use.

Wherein, the middle part of the lower side of the sealing joint angle 8 is provided with a bulge, and the front side of the bulge is provided with a plugging sheet 83. The left and right gaps of the wiper cover plate 2 can be plugged through the protruding parts and the plugging pieces 83, so that the tightness is improved.

Wherein a cabin trim 7 is mounted along the upper edge of the engine cabin. The lower part of the sealing angle 8 is respectively clamped and installed with the wiper cover plate 2 and the cabin decorating part 7 through a sealing angle installation buckle 84. The front sealing strip 3 is pressed and sealed through the cabin decoration 7, and the sealing corner 8 is lapped and installed on the wiper cover plate 2 and the cabin decoration 7, so that good sealing performance is effectively ensured. Likewise, the rear sealing strip 4 is mounted on the upper side of the wiper cover plate 2 through a buckle joint, and the front sealing strip 3 is mounted on the lower side of the cabin cover 1 through a buckle joint.

The seal angle installation buckle 84 is respectively arranged at the inner side, the middle and the outer side of the bottom of the seal angle 8, the seal angle installation buckle 84 at the inner side and the middle is in clamping connection with the wiper cover plate 2, and the seal angle installation buckle 84 at the outer side is in clamping connection with the end part of the cabin decoration 7. The sealing corner 8 is convenient to install and reliable in clamping.

Wherein, the back sealing strip 4 and the front sealing strip 3 are formed by extrusion molding of EPDM foaming rubber. The sealing joint 8 is formed by EPDM hot melting and molding. The good sealing performance and the service life are ensured, and the front sealing strip 3, the rear sealing strip 4 and the sealing angle 8 are easy to form and are easy to realize batch production.

Wherein, cabin cover link 5 is installed at cabin cover 1 both sides trailing edge, and engine cabin border is installed and is connected the mounting bracket 6 of installation with cabin cover link 5 rotation. Through the rotation connection of cabin cover link 5 and mounting bracket 6, realize the convenient opening and the lock of cabin cover 1.

The upper side of the sealing joint angle 8 is provided with a clearance groove 81 which can be buckled and clearance to the cabin cover connecting frame 5. When the cabin cover 1 is buckled, the cabin cover connecting frame 5 is embedded in the clearance groove 81, so that normal rotation of the cabin cover connecting frame 5 can be ensured, the service life of the sealing joint angle 8 is prevented from being influenced, and good sealing performance can be ensured.

This engine compartment seal structure, preceding sealing strip 3 sets up in cabin cover 1 downside front edge and left and right sides border, back sealing strip 4 sets up in windscreen wiper apron 2 upside, when cabin cover 1 detains, preceding sealing strip 3 pressfitting is in the front side and the left and right sides of engine compartment, back sealing strip 4 presses with cabin cover 1 rear side, and it is sealed to the gomphosis pressure equipment of preceding sealing strip 3 both ends portion through overlap joint groove 82, realize the full enclosure to the engine compartment sealed, sealing performance is good, effectively promote NVH effect, reduce the windage, avoid debris to get into the engine compartment and cause fire control safety's problem. The whole structure is simple, the implementation is easy, and the practicability is good.

In the present specification, each embodiment is described in a progressive manner, and each embodiment focuses on the difference from other embodiments, and the same and similar parts between the embodiments are only required to be referred to each other.

The terms "upper", "lower", "outside", "inside", and the like in the description and in the claims of the present utility model and in the above drawings, if any, are used for distinguishing between relative relationships in position and not necessarily for giving qualitative sense. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprise" and "have," as well as any variations thereof, are intended to cover a non-exclusive inclusion.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides an engine compartment seal structure, including installing in engine compartment upside rear portion windscreen wiper apron (2) and rotate install in engine compartment upper portion cabin cover (1), its characterized in that, front sealing strip (3) that are the U type backward of opening are installed to cabin cover (1) downside location, rear sealing strip (4) are installed in windscreen wiper apron (2) upside location, rear sealing strip (4) both ends are equipped with sealing angle (8), offer on sealing angle (8) can with front sealing strip (3) tip gomphosis sealed overlap joint groove (82).

2. The engine compartment sealing structure according to claim 1, wherein the lap groove (82) opens upward and forward.

3. Nacelle sealing structure according to claim 1, characterized in that the sealing joint (8) is provided with a bulge in the middle of the underside and a sealing piece (83) in the lower edge of the bulge.

4. Nacelle sealing structure according to claim 1, wherein a nacelle trim (7) is mounted along the upper edge of the nacelle.

5. The engine compartment sealing structure according to claim 4, wherein the lower portion of the sealing joint angle (8) is respectively snap-fitted with the wiper blade cover (2) and the compartment trim (7) by a sealing joint angle fitting snap (84).

6. The engine compartment sealing structure according to claim 5, wherein the seal angle mounting buckle (84) is provided on the inner side, the middle and the outer side of the bottom of the seal angle (8), respectively, the seal angle mounting buckle (84) on the inner side and the middle is mounted in a clamping manner with the wiper cover (2), and the seal angle mounting buckle (84) on the outer side is mounted in a clamping manner with the end of the cabin trim (7).

7. The engine compartment sealing structure according to claim 1, characterized in that the rear weather strip (4) and the front weather strip (3) are extrusion molded of EPDM foam rubber.

8. The nacelle seal of claim 1, wherein the sealing joint (8) is EPDM hot melt molded.

9. Nacelle sealing structure according to claim 1, characterized in that the nacelle cover (1) is provided with nacelle cover attachment brackets (5) at the rear edges on both sides, and that the nacelle rim is provided with mounting brackets (6) rotatably connected to the nacelle cover attachment brackets (5).

10. The engine compartment sealing structure according to claim 1, characterized in that a clearance groove (81) capable of being buckled and clearance to the compartment cover connecting frame (5) is formed on the upper side of the sealing joint angle (8).