Forward-turning type light-weight plastic machine cover device

The lightweight plastic engine hood addresses high energy consumption and injury risks by using a front-flip mechanism, enhancing user experience and safety.

CN223100832UActive Publication Date: 2025-07-15悠跑科技(合肥)有限公司
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Patent Information

Application Number
CN202421949556.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-12
Publication Date
2025-07-15
Estimated Expiration
2034-08-12

AI Technical Summary

Technical Problem

The weight of traditional metal hoods is high, resulting in high energy consumption, labor-intensive and the risk of sudden closing and injury under extreme working conditions.

Method used

The front flip cover made of plastic, combined with the cover lock, unlock cable, cover unlocking buckle hand and cover hinge, reduces weight through the front flip design and avoids sudden closure.

Benefits of technology

It achieves lightweight, reduces energy consumption, avoids sudden shutdown accidents, and improves user experience.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a forward turning type light-weight plastic machine cover device, which comprises a plastic machine cover, a machine cover lock catch, a machine cover lock, an unlocking inhaul cable, a machine cover unlocking hand and a machine cover hinge, the machine cover lock catch is arranged on the inner side of the plastic machine cover, the machine cover lock is arranged in an engine cabin, the machine cover unlocking hand is arranged in a cab, and the machine cover hinge is arranged on the machine cover lock catch. One end of the unlocking inhaul cable is connected with the machine cover unlocking buckle, and the other end of the unlocking inhaul cable is connected with the machine cover lock; one end of the machine cover hinge is fixedly connected with the inner side of the plastic machine cover, and the other end of the machine cover hinge is hinged in the engine compartment; the engine cover lock catch is clamped into the engine cover lock, so that the plastic engine cover is locked and covers the engine compartment; the unlocking inhaul cable is pulled by touching the machine cover unlocking buckle hand, so that the machine cover buckle is popped out of the machine cover lock, and the plastic machine cover is overturned forwards through the machine cover hinge by pulling the machine cover.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobiles, in particular to a front-flipping lightweight plastic engine hood device. Background Art

[0002] The engine hood is arranged in the front of the automobile and is used to cover the engine and some related components. Under normal circumstances, the engine hood is in a closed state; when it is necessary to disassemble, repair or inspect the engine or related components, the engine hood needs to be opened.

[0003] The traditional engine hood has the following defects:

[0004] 1. The traditional engine hood is made of metal material, which is relatively heavy, resulting in high energy consumption and being unfavorable for energy conservation and emission reduction; at the same time, because the engine hood is heavy, it is laborious to open and close the engine hood, and the user experience is poor.

[0005] 2. The traditional engine hood adopts an upward-flipping opening form, and there is a risk of the engine hood suddenly closing in extreme working conditions, resulting in personal injury accidents. Content of the Utility Model

[0006] In order to solve the above problems, the utility model provides a front-flipping lightweight plastic engine hood device, which includes a plastic engine hood, a hood lock catch, a hood lock, an unlocking cable, a hood unlocking handle and a hood hinge. The hood lock catch is arranged inside the plastic engine hood, the hood lock is arranged in the engine compartment, the hood unlocking handle is arranged in the driver's cab, one end of the unlocking cable is connected to the hood unlocking handle, and the other end is connected to the hood lock; one end of the hood hinge is fixedly connected to the inside of the plastic engine hood, and the other end is hinged in the engine compartment; the hood lock catch is locked in the hood lock, so that the plastic engine hood is locked and covers the engine compartment; by touching the hood unlocking handle to pull the unlocking cable, the hood lock catch is ejected from the hood lock, and by pulling the engine hood, the plastic engine hood is flipped forward through the hood hinge.

[0007] Preferably, the hood lock includes a lock housing, an unlocking member, a lock hook, an unlocking return driving member and a spring-up return driving member. The unlocking member and the lock hook are respectively rotatably arranged on the lock housing. The unlocking member is elastically arranged on the lock housing through the unlocking return driving member, and the lock hook is elastically arranged on the lock housing through the spring-up return driving member; the unlocking member is connected to the unlocking cable; when the hood lock locks the hood lock catch, the hood lock catch extends into the lock groove of the lock housing, the unlocking member and the lock hook are engaged, and the lock hook locks the hood lock catch; by pulling the unlocking cable to pull the unlocking member, it is separated from the lock hook, and the lock hook ejects the hood lock catch through the spring-up return driving member.

[0008] Preferably, the hood hinge is a curved rod.

[0009] Preferably, the plastic hood includes a plastic outer panel and a plastic inner panel, and the plastic inner panel is fixed to the inner side of the plastic outer panel.

[0010] Preferably, an operation area for opening the hood and an operation area for closing the hood are further provided at the edge of the plastic hood.

[0011] Preferably, pressing and locking areas are further provided on both sides of the middle part of the plastic hood.

[0012] Compared with the prior art, the present utility model has the following technical effects:

[0013] Since the plastic hood of the present utility model is made of plastic, and the density of plastic is 1.2 g / cm 3 , while the density of sheet metal is 7.85 g / cm 3 , therefore, the plastic hood can reduce the weight by one-third compared with the metal hood, and the energy consumption can be reduced by adopting the plastic hood. And the plastic hood adopts a front-flipping type, that is, the plastic hood after flipping forward can avoid the sudden closing of the traditional hood under extreme working conditions, thus preventing personal injury accidents. Moreover, the plastic hood after flipping forward is lower than the lower visual line, and a lock body form with secondary opening does not need to be adopted, thus saving costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0015] Figure 1 FIG. is a schematic structural diagram of a front-flipping lightweight plastic hood device provided by an embodiment of the present utility model;

[0016] Figure 2 FIG. is a schematic structural diagram of the plastic hood closed provided by an embodiment of the present utility model;

[0017] Figure 3 FIG. is a schematic structural diagram of the plastic hood opened provided by an embodiment of the present utility model;

[0018] Figure 4 FIG. is a schematic structural diagram of the hood lock locking the hood lock catch provided by an embodiment of the present utility model;

[0019] Figure 5 FIG. is a schematic structural diagram of the plastic hood provided by an embodiment of the present utility model;

[0020] Figure 6 It is a schematic diagram of the outer structure of a plastic engine cover provided by an embodiment of the present utility model. Detailed implementation manners

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Next, the technical solutions of the present utility model will be described in detail with specific embodiments. These specific embodiments can be combined with each other, and the same or similar concepts or processes may not be repeated in some embodiments.

[0023] Please refer to Figure 1 , a front - flip lightweight plastic engine cover device, including a plastic engine cover 1, a hood latch 2, a hood lock 3, an unlocking cable 4, a hood unlocking handle 5, and a hood hinge 6. The hood latch 2 is arranged inside the plastic engine cover 1, the hood lock 3 is arranged in the engine compartment, the hood unlocking handle 5 is arranged in the cab, one end of the unlocking cable 4 is connected to the hood unlocking handle 5, and the other end is connected to the hood lock 3; one end of the hood hinge 6 is fixedly connected to the inside of the plastic engine cover 1, and the other end is hinged in the engine compartment; the hood latch 2 is locked into the hood lock 3, so that the plastic engine cover 1 is locked and covers the engine compartment. Please refer to Figure 2 ; by touching the hood unlocking handle 5 to pull the unlocking cable 4, the hood latch 2 is ejected from the hood lock 3, and by pulling the plastic engine cover 1, the plastic engine cover 1 is flipped forward through the hood hinge 6. Please refer to Figure 3 .

[0024] Since the hood lock 3 is a mature technology in the art, therefore, the present utility model does not specifically limit the structure of the hood lock 3. As long as it can achieve the locking and unlocking of the hood latch 2, it is within the protection scope of the present utility model.

[0025] As an embodiment, the engine cover lock 3 includes a lock housing, an unlocking member, a lock hook 301, an unlocking return driving member, and a popping return driving member. The unlocking member and the lock hook 301 are respectively rotatably disposed on the lock housing. The unlocking member is elastically disposed on the lock housing through the unlocking return driving member, and the lock hook 301 is elastically disposed on the lock housing through the popping return driving member. The unlocking member is connected to the unlocking cable 4. When the engine cover lock 3 locks the engine cover latch 2, the engine cover latch 2 extends into the lock groove 302 of the lock housing. The function of the unlocking return driving member is to tighten the unlocking member, so that the unlocking member and the lock hook 301 are engaged with each other, preventing the lock hook 301 from rotating, so that the engine cover lock 3 maintains the state of locking the engine cover latch 2. Please refer to Figure 4 . When the engine cover unlocking handle 5 is opened at a certain angle to pull the unlocking cable 4, the unlocking cable 4 pulls the unlocking member to disengage it from the lock hook 301, that is, after the unlocking member releases the restraint on the lock hook 301, the lock hook 301 pops up the engine cover latch 2 through the popping return driving member. The plastic engine cover 1 follows the engine cover latch 2 and is popped up, and the plastic engine cover 1 is kept in a slightly open state, which is convenient for opening the plastic engine cover 1. The specific structures of the unlocking return driving member and the popping return driving member in this embodiment are not limited as long as they have an elastic function, such as a spring member.

[0026] The present utility model does not limit the specific shape of the engine cover hinge 6 as long as the plastic engine cover 1 can be flipped forward through the engine cover hinge 6, such as the engine cover hinge 6 being a bent rod.

[0027] In order to increase the strength of the plastic engine cover 1, as an embodiment, please refer to Figure 5 , the plastic engine cover 1 includes a plastic outer plate 101 and a plastic inner plate 102, and the plastic inner plate 102 is fixed (such as by an adhesive fixing method) to the inside of the plastic outer plate 101.

[0028] In order to facilitate manual opening and closing of the plastic engine cover 1, an engine cover opening operation area and an engine cover closing operation area are further provided at the edge of the plastic engine cover 1. When the plastic engine cover 1 is in a slightly open state, the plastic engine cover 1 is flipped forward and opened by manually opening the engine cover opening operation area. When it is necessary to close the opened plastic engine cover 1, the plastic engine cover 1 can be closed on the engine compartment by manually operating the engine cover closing operation area.

[0029] In order to finally realize the closing of the plastic engine cover 1, please refer to Figure 6 , pressing and locking areas 103 are further provided on both sides of the middle part of the plastic engine cover 1. After the plastic engine cover 1 is initially closed on the engine compartment through the engine cover closing operation area 103, the plastic engine cover 1 is further completely closed by manually pressing the pressing and locking areas 103.

[0030] The utility model does not specifically limit the vehicle models for which the front - flip lightweight plastic engine hood 1 device is used. It can be a car, or a VAN, etc.

[0031] Since the plastic engine hood 1 of the utility model is made of plastic, and the density of plastic is 1.2 g / cm 3 , while the density of sheet metal is 7.85 g / cm 3 , therefore, the plastic engine hood 1 can reduce the weight by 1 / 3 compared with the metal engine hood, and reduce energy consumption by adopting the plastic engine hood 1. And the plastic engine hood 1 adopts a front - flip type, that is, the plastic engine hood 1 after flipping forward can avoid the sudden closing of the traditional engine hood under extreme working conditions, thus preventing personal injury accidents. Moreover, the plastic engine hood 1 after flipping forward is lower than the lower visual line, and the form of a lock body with secondary opening does not need to be adopted, thus saving costs.

[0032] Finally, it should be noted that: the above - mentioned embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it; although the utility model has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that: they can still modify the technical solutions recorded in the foregoing embodiments, or equivalently replace some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the utility model.

Claims

1. A front - flip lightweight plastic engine hood device, characterized in that, It includes a plastic engine hood, a hood latch, a hood lock, an unlocking cable, a hood unlocking handle and a hood hinge. The hood latch is arranged inside the plastic engine hood. The hood lock is arranged in the engine compartment. The hood unlocking handle is arranged in the driver's cab. One end of the unlocking cable is connected to the hood unlocking handle, and the other end is connected to the hood lock. One end of the hood hinge is fixedly connected to the inside of the plastic engine hood, and the other end is hinged in the engine compartment. The hood latch is locked into the hood lock, so that the plastic engine hood is locked and covers the engine compartment. By touching the hood unlocking handle to pull the unlocking cable, the hood latch is ejected from the hood lock, and by pulling the hood, the plastic engine hood is flipped forward through the hood hinge.

2. The front-flipping lightweight plastic engine hood device according to claim 1, wherein, The hood lock includes a lock housing, an unlocking member, a locking hook, an unlocking return driving member and a popping return driving member. The unlocking member and the locking hook are respectively rotatably arranged on the lock housing. The unlocking member is elastically arranged on the lock housing through the unlocking return driving member. The locking hook is elastically arranged on the lock housing through the popping return driving member. The unlocking member is connected to the unlocking cable. When the hood lock locks the hood latch, the hood latch extends into the lock groove of the lock housing, the unlocking member and the locking hook are engaged, and the locking hook locks the hood latch. By pulling the unlocking cable to pull the unlocking member, it is disengaged from the locking hook, and the locking hook pops up the hood latch through the popping return driving member.

3. The front-flipping lightweight plastic engine hood device according to claim 1, characterized in that, The hood hinge is a bent rod.

4. The front-flipping lightweight plastic engine hood device according to claim 1, characterized in that, The plastic engine hood includes a plastic outer panel and a plastic inner panel, and the plastic inner panel is fixed inside the plastic outer panel.

5. The front-flipping lightweight plastic engine hood device according to claim 1, characterized in that, An engine hood opening operation area and an engine hood closing operation area are also provided at the edge of the plastic engine hood.

6. The front-flipping lightweight plastic engine hood device according to claim 1, characterized in that, Pressing and locking areas are also provided on both sides of the middle of the plastic engine hood.