CN219257242U

CN219257242U - Connecting assembly of engine hood and sealing strip

Info

Publication number: CN219257242U
Application number: CN202320666633.0U
Authority: CN
Inventors: 马庆; 尤敏杰; 王荣华; 汪先林; 辛红辉; 吴东波; 胡江波; 朱德旵; 谢海利; 蒋蒙娜
Original assignee: Jianxin Zhaos Technology Co Ltd
Current assignee: Jianxin Zhaos Technology Co Ltd
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-06-27
Anticipated expiration: 2033-03-28

Abstract

The application discloses coupling assembling of engine hood and sealing strip, including the sealing strip and set up the joint seat that is used for installing the sealing strip at the aircraft bonnet, the tip of joint seat be provided with the arch that is used for the screens, the sealing strip include that longitudinal section is the main part spare of U-shaped structure, protruding, joint seat are embedded into in the main part spare, do not have the skeleton in the main part spare and inlay and establish. The traditional metal framework structure is canceled, and the light-weight requirement is met; the reliability of the sealing strip after being connected with the engine hood is ensured, and the damage of repeated disassembly and assembly of the sealing strip is smaller.

Description

Connecting assembly of engine hood and sealing strip

Technical Field

The application relates to the field of automobile parts, in particular to a connecting assembly of an engine hood and a sealing strip.

Background

In the automobile assembly industry, in order to avoid abnormal sound, vibration and other conditions generated in the running process of a vehicle, the arrangement of a sealing element and a sealing strip in a connecting structure is a common treatment scheme. In the prior art, a metal framework is arranged on an engine hood sealing strip, the engine sealing strip is connected with an assembly common fastening mode of an engine hood cover plate, and the assembly mode has defects in appearance, utilization rate and product weight.

Related patents such as "decorative structures of hood and fender and vehicles", application No. cn2022225855192. X; disclosed is: install in the seam crossing of engine hood and fender, include: the decorative framework, the sealing rubber strip and the decorative strip extend along the length direction of the joint; the decorative framework is provided with a first clamping part which can be clamped with the fender, and is also provided with a second clamping part which can be clamped with the side wall outer plate; the sealing rubber strip is coated on the decorative framework; the ornamental strip is fixed on sealing rubber strip. The decorative structure of the engine cover and the fender provided by the utility model has the advantages that the decorative strip plays a role in shielding the split joint, the decorative effect of the decorative strip is utilized, the delicacy of the appearance of the split joint is improved, the quality of the whole automobile can be improved, the selection of customers to the automobile type is improved, and the market benefit of the whole automobile is further improved.

For another example, chinese patent application "a rear hood seal", application number: CN201920963982.2 discloses a deformable foam tube with a circular longitudinal section made of sponge rubber material and a clamping seat with an inverted U-shaped longitudinal section made of compact rubber material, wherein the bottom of the deformable foam tube is fixedly connected with the top of the clamping seat, the top of the deformable foam tube is in releasable sealing contact with the lower surface of an engine inner plate, and the clamping seat is fixed with the upper part of an upper mounting plate decoration assembly in a releasable clamping manner.

The requirements of the current automobile industry on the appearance, quality, performance, utilization rate and the like of products are all improved. According to the sealing strip with the metal framework which is commonly used at present, the requirement of light weight cannot be met, and the surface of the sealing strip is usually dented due to the existence of the framework. The metal framework structure is canceled, and the problems that the structural strength of the sealing strip is insufficient and the sealing strip is easy to deform and fall off exist. The novel hood sealing strip and hood cover plate connecting structure is needed because the novel hood sealing strip is connected in a buckling mode, deformation and fracture easily occur during disassembly and assembly.

Disclosure of Invention

The technical problem to be solved by the application is to provide a connecting component of the engine hood and the sealing strip, cancel the traditional metal framework structure and meet the light-weight requirement; the reliability of the sealing strip after being connected with the engine hood is ensured, and the damage of repeated disassembly and assembly of the sealing strip is smaller.

The technical scheme that this application adopted is: the utility model provides a coupling assembling of engine hood and sealing strip, includes the sealing strip and sets up the joint seat that is used for installing the sealing strip at the aircraft bonnet, the tip of joint seat be provided with the arch that is used for the screens, the sealing strip include that longitudinal section is the main part spare of U-shaped structure, protruding, joint seat are embedded into the main part spare in, there is not the skeleton to inlay in the main part spare and establish.

Compared with the prior art, the sealing strip has the advantages that the structure of the embedded metal framework of the sealing strip of the traditional engine hood is cancelled, the weight brought by the metal framework of the sealing strip is reduced, and the light weight is realized. And because the embedded metal framework is eliminated, the dent caused by the existence of the framework is avoided, and the appearance beautifying performance of the sealing strip is improved. Secondly, the main part of this application does not have embedded structure, can be through material integrated into one piece, has reduced the manufacturing cost of product. Again, this application has cancelled the tradition and has been connected the buckle structure that adopts with the sealing strip, but adopts the bayonet socket that suits with the structure of main part spare, and in imbedding the main part spare to further set up the arch that is used for the screens on the bayonet socket. The protruding embedding main part, cooperation realize the joint of sealing strip on the joint seat, prevent that the sealing strip from droing that can be fine. Compare in traditional buckle and remove the connection sealing strip, the dismouting repeatedly can cause the damage of buckle and sealing strip, and the damage of the sealing strip dismouting repeatedly to the product of this application is also less. Finally, the clamping seat and the protrusions play a role in supporting the whole main body piece, strengthen the structural strength of the whole sealing strip after installation and supplement the strength which is absent by the metal framework. But also plays a role in effectively preventing the sealing strip from falling off the clamping seat.

In some embodiments of the present application, the inner side wall surface of the main body member is provided with a clamping lip group, and the clamping lip group comprises at least one group of oppositely arranged clamping lips, and one group of clamping lips acts on two side limiting protrusions of the clamping seat respectively to be separated.

In some embodiments of the present application, the clamping lip set includes two first clamping lips symmetrically disposed, the first clamping lips being disposed obliquely toward the projection of the clamping seat, and the first clamping lips being provided with hooks at contact ends thereof with the clamping seat.

The tail end of the first clamping lip edge is provided with the hook structure, the protrusion and the clamping seat can be further limited, and the stability of connection of the sealing strip and the clamping seat is ensured. Specifically, the structural strength of the first clamping lip at the tail end is effectively enhanced by the arrangement of the hook structure, and the stress required by deformation of the first clamping lip is increased.

In some embodiments of the present application, the clamping lip assembly includes two second clamping lips disposed symmetrically, the second clamping lips being disposed obliquely toward the projection of the clamping seat.

In particular, the first clamping lip is closer to the location of the projection than the second clamping lip.

In some embodiments of the present application, the overall longitudinal cross-section of the clip seat with the protrusions is in a T-shaped configuration, with the ends of the protrusions disposed in the clip seat being adapted to the inner bottom surface of the body member.

The end part of the clamping seat and the protruding structure are just right, so that the effect of supporting the whole main body piece is achieved, the structural strength of the whole sealing strip after installation is enhanced, and the strength which is missing by the metal framework is supplemented. But also solves the problem that the sealing strip falls off from the clamping seat.

In some embodiments of the present application, the body member is provided with a catch lip on both sides, the catch lip being disposed proximate the open end of the body member.

Some hole sites left by installation or positioning limit exist on the engine hood, and the two grid blocking lips are additionally arranged in the engine hood, so that the hole sites on part of the engine hood can be well covered.

In some embodiments of the present application, the longitudinal cross-section of two barrier lips is splayed, said barrier lips being inclined to the side remote from the projection.

In the whole shape of the sealing strip of this application, be a bilateral symmetry's structure, then the sealing strip of this application just need not go to match left and right directions when the assembly, does not receive the restriction of left and right directions, can be in the relation of correct matching all the time, realizes quick assembly.

In some embodiments of the present application, the body member is provided with a bubble tube, and the bubble tube is located on a side of the body member facing away from the opening.

In some embodiments of the present application, the longitudinal section of the bubble tube is a ring-shaped structure. The bubble pipe is extruded and deformed under the force, and the sealing strip is in sealing contact with the inner plate of the engine, so that the sealing and noise reduction effects are achieved.

In some embodiments of the present application, the body member is integrally formed with the bubble vial. Specifically, the main body and the bubble tube are integrally formed by extrusion of rubber materials.

The above embodiments may be arbitrarily combined on the basis of common knowledge in the art.

Drawings

The present application will be described in further detail below in conjunction with the drawings and preferred embodiments, but those skilled in the art will appreciate that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the present application. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.

FIG. 1 is a schematic structural diagram of the present application;

fig. 2 is a schematic longitudinal cross-section of the present application.

Wherein, the reference numerals specifically explain as follows: 1. a sealing strip; 11. a body member; 12. a grid lip; 13. a bubble tube; 14. a first clamping lip; 15. a second clamping lip; 2. a hood; 3. a clamping seat; 31. a protrusion.

Detailed Description

The present application will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present application more apparent, the present application will be further described in detail with reference to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present application.

An engine hood and sealing strip connection assembly is shown in fig. 1 and 2: including sealing strip 1 and setting up the joint seat 3 that is used for installing sealing strip 1 at the aircraft bonnet 2, the tip of joint seat 3 be provided with the protruding 31 that is used for the screens, sealing strip 1 including the main part 11 that longitudinal section is U-shaped structure, protruding 31, joint seat 3 imbeds in the main part 11, this application has cancelled the tradition and has been connected the buckle structure that adopts with sealing strip 1, but adopts the joint seat 3 that suits with the structure of main part 11, imbeds in the main part 11 to further set up the protruding 31 that is used for the screens on joint seat 3. The bulge 31 is embedded into the main body piece 11, and the sealing strip 1 is clamped on the clamping seat 3 in a matched manner, so that the sealing strip 1 can be well prevented from falling off. Compare in traditional buckle and remove to connect sealing strip 1, the dismouting repeatedly can cause the damage of buckle and sealing strip 1, and the damage of the 1 dismouting of sealing strip of this application to the product is also less repeatedly.

The main body piece 11 is embedded without a framework. The structure of the embedded metal framework of the sealing strip 1 of the traditional engine hood 2 is canceled, the weight brought by the metal framework of the sealing strip 1 is reduced, and the light weight is realized. And because the embedded metal framework is eliminated, the dent caused by the existence of the framework is avoided, and the appearance beautifying performance of the sealing strip 1 is improved. Secondly, the main body part 11 of the application does not have an embedded structure, namely, the material can be integrally processed and formed, and the production and processing cost of the product is reduced.

The whole longitudinal section of the clamping seat 3 with the bulge 31 is in a T-shaped structure, and the end part of the clamping seat 3 provided with the bulge 31 is matched with the inner bottom surface of the main body piece 11. The end of the clamping seat 3 and the structure of the bulge 31 are proper, namely, the clamping seat plays a role in supporting the whole main body part 11, enhances the structural strength of the whole sealing strip 1 after installation, and supplements the strength which is absent by not arranging a metal framework. But also effectively prevent the sealing strip 1 from falling off the clamping seat 3.

In the second embodiment, as shown in fig. 1 to 2, the inner side wall surface of the main body 11 is provided with a clamping lip group, and the clamping lip group includes at least one group of oppositely arranged clamping lips, and one group of clamping lips acts on two side limiting protrusions 31 of the clamping seat 3 respectively to be separated.

The clamping lip group comprises two first clamping lips 14 which are symmetrically arranged, wherein the first clamping lips 14 are obliquely arranged towards a bulge 31 of the clamping seat 3, and hooks are arranged at the contact ends of the first clamping lips 14 and the clamping seat 3. The tail end of the first clamping lip 14 is provided with the hook structure, the protrusion 31 and the clamping seat 3 can be further limited, and the connection stability of the sealing strip 1 and the clamping seat 3 is ensured. Specifically, the hook structure effectively strengthens the structural strength of the first clamping lip 14 at the tail end and increases the stress required for deformation.

The clamping lip assembly comprises two second clamping lips 15 which are symmetrically arranged, wherein the second clamping lips 15 are obliquely arranged towards the projection 31 of the clamping seat 3. In particular, the first clamping lip 14 is located closer to the projection 31 than the second clamping lip 15.

The two sides of the main body piece 11 are provided with check lips 12, and the check lips 12 are arranged near the opening end of the main body piece 11. Some hole sites left by installation or positioning limit exist on the engine hood 2, and the two grid blocking lips 12 are additionally arranged in the engine hood 2, so that the hole sites on part of the engine hood 2 can be well covered. The longitudinal sections of the two blocking lips 12 are splayed, said blocking lips 12 being inclined to the side facing away from the projection 31.

The main body 11 is provided with a bubble tube 13, and the bubble tube 13 is positioned on one side of the main body 11 away from the opening. The longitudinal section of the bubble tube 13 is of an annular structure. The bubble pipe 13 is extruded and deformed under force, and the sealing strip 1 is in sealing contact with the inner plate of the engine by the arrangement of the bubble pipe 13, so that the sealing and noise reduction effects are achieved. The main body 11 and the bubble tube 13 are integrally formed. Specifically, the body member 11 and the bubble tube 13 are integrally extruded from a rubber material.

In the overall shape of the sealing strip 1 of the present application, the structure is left-right symmetrical, so that the sealing strip 1 of the present application does not need to be matched in the left-right direction during assembly, is not limited by the left-right direction, and can always be in a correct matching relationship, thereby realizing rapid assembly.

The other contents of the second embodiment are the same as those of the first embodiment.

The foregoing has outlined rather broadly the principles and embodiments of the present application in order that the detailed description of the utility model may be better understood, and in order that the present application may be better understood. It should be noted that it would be obvious to those skilled in the art that various improvements and modifications can be made to the present application without departing from the principles of the present application, and such improvements and modifications fall within the scope of the claims of the present application.

Claims

1. The utility model provides a coupling assembling of engine hood and sealing strip, its characterized in that includes sealing strip (1) and sets up joint seat (3) that are used for installing sealing strip (1) at aircraft bonnet (2), the tip of joint seat (3) be provided with protruding (31) that are used for the screens, sealing strip (1) including main part (11) that longitudinal section is U-shaped structure, protruding (31), joint seat (3) are embedded in main part (11), do not have the skeleton and are embedded in main part (11).

2. A connection assembly of a hood and a sealing strip according to claim 1, characterized in that the inner side wall of the body member (11) is provided with a set of clamping lips, said set of clamping lips comprising at least one set of oppositely arranged clamping lips, one set of clamping lips acting on the two lateral limiting projections (31) of the clamping seat (3) respectively for disengagement.

3. The connecting assembly of the engine cover and the sealing strip according to claim 2, wherein the clamping lip group comprises two first clamping lips (14) which are symmetrically arranged, the first clamping lips (14) are obliquely arranged towards the bulge (31) of the clamping seat (3), and hooks are arranged at the contact ends of the first clamping lips (14) and the clamping seat (3).

4. A hood and seal attachment assembly according to claim 2 or 3, characterized in that the clamping lip assembly comprises two second clamping lips (15) arranged symmetrically, the second clamping lips (15) being inclined towards the projection (31) of the clamping seat (3).

5. The connection assembly of the engine cover and the sealing strip according to claim 1, wherein the whole longitudinal section of the clamping seat (3) with the bulge (31) is of a T-shaped structure, and the end part of the clamping seat (3) provided with the bulge (31) is matched with the inner bottom surface of the main body part (11).

6. A connection assembly of an engine hood and a sealing strip according to claim 1, characterized in that the body member (11) is provided with a blocking lip (12) on both sides, the blocking lip (12) being arranged close to the open end of the body member (11).

7. A hood and weather strip attachment assembly according to claim 6, characterised in that the longitudinal cross-section of the two barrier lips (12) is splayed, said barrier lips (12) being inclined to the side remote from the projection (31).

8. A connection assembly of a bonnet and a sealing strip according to claim 1, characterized in that the body member (11) is provided with a bubble tube (13), said bubble tube (13) being located at a side of the body member (11) facing away from the opening.

9. A connection assembly of an engine hood and a sealing strip according to claim 8, characterized in that the longitudinal section of the bulb (13) is of annular construction.

10. A connection assembly of an engine hood and a sealing strip according to claim 8, characterized in that the body member (11) is integrally formed with the bulb (13).