Lightweight impact-resistant bottom protective plate for engine protection
By designing a removable substrate structure, allowing the individual replacement of damaged combination plates, the resource waste problem in the prior art caused by overall replacement is solved, and the firmness of the air guide hood is improved.
Patent Information
- Application Number
- CN202421589257.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-08
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-07-08
AI Technical Summary
When the existing engine bottom guard plate is damaged in a certain part, the entire substrate needs to be replaced, resulting in waste of resources.
A substrate structure including a first combined plate, a second combined plate, a third combined plate and a connecting plate is designed, and through the combination of counterscrews and screw grooves, the damaged combined plate is allowed to be replaced separately to avoid overall replacement.
It is realized that when a certain part of the substrate is damaged, the corresponding combination plate needs to be replaced to avoid resource waste caused by overall replacement, and the firmness of the air guide cover is improved by setting the mounting plate and additional rods.
Smart Images

Figure CN222772282U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of bottom guard plates, in particular to a lightweight impact-resistant bottom guard plate for engine protection. Background Art
[0002] The engine bottom guard is an engine protection device designed according to various vehicle models. The prior art Chinese utility patent (application number 2022230274725) discloses a bottom guard, including a resin substrate, a plurality of mounting holes are symmetrically arranged on both sides of the resin substrate, a plurality of ventilation holes are opened on the surface of the resin substrate, and two alloy fixing plates fixedly connected to the resin substrate are arranged on the upper part of each ventilation hole, and a spring group is arranged on the lower surface of the two alloy fixing plates located at the same ventilation hole, and a guide ventilation plate is fixedly connected to the bottom of the spring group, and the bottom surface of the guide ventilation plate is inclined toward the direction of travel of the car. It has the following advantages: by adding a guide ventilation plate inside the resin substrate, the bottom guard is made as lightweight as possible while ensuring the ventilation effect on the engine, and the setting of 4 springs can effectively offset the buffering impact force, improve the impact resistance of the guide ventilation plate, and prevent the guide ventilation plate from being damaged after being impacted by resetting.
[0003] However, the patented technology product was found to still have the following defects during actual application: since the structure of the resin substrate is fixed, when a part of the resin substrate is damaged, the entire resin substrate needs to be replaced, resulting in a waste of resources. Utility Model Content
[0004] In view of the above-mentioned defects or deficiencies in the prior art, it is desired to provide a lightweight impact-resistant bottom guard plate for engine protection, which has a strong structure and can avoid the waste of resources caused by overall replacement.
[0005] According to the technical solution provided in the embodiment of the present application, a lightweight impact-resistant bottom guard plate for engine protection includes:
[0006] A base plate, the base plate comprises a first combined plate, a second combined plate and a third combined plate, the connecting plate is respectively installed between the first combined plate and the second combined plate, and between the second combined plate and the third combined plate by means of a first countersunk screw; the first combined plate, the second combined plate, the third combined plate and the connecting plate are provided with ventilation holes on their sides, the first combined plate and the third combined plate are provided with mounting holes on their sides, the second combined plate is located between the first combined plate and the third combined plate, the left and right sides of the connecting plate are fixedly installed with fixing blocks, the side of the fixing block is provided with a first countersunk hole corresponding to the first countersunk screw, and the side of the first combined plate, the second combined plate and the third combined plate are provided with a first screw groove that fits with the first countersunk screw;
[0007] An air guide cover, the air guide cover is installed on the side of the connecting plate by a second countersunk screw, and mounting plates are fixedly installed on the upper and lower parts of the air guide cover; the rear side of the air guide cover is an open structure, the upper end of the air guide cover is provided with an opening, and the lower end of the air guide cover is a closed structure, the side of the mounting plate is provided with a second countersunk hole corresponding to the second countersunk screw, and the side of the connecting plate is provided with a second screw groove that fits with the second countersunk screw;
[0008] A rubber sleeve, the rubber sleeve being bonded to the outside of the air guide cover;
[0009] A protective net, the protective net is installed on the upper end of the air guide cover by a third countersunk screw; the upper end of the air guide cover is provided with a third screw groove that matches the third countersunk screw, and the side of the protective net is provided with a third countersunk hole corresponding to the third countersunk screw;
[0010] An additional rod, wherein the additional rod is respectively connected between the air guide cover and the first combination plate, between the air guide cover and the second combination plate, and between the air guide cover and the third combination plate through a fourth countersunk screw. The additional rod includes a first rod body, a second rod body and a third rod body. The third rod body is fixedly connected between the second rod body and the first rod body. The sides of the first rod body and the second rod body are both provided with a fourth countersunk hole corresponding to the fourth countersunk screw. The sides of the first combination plate, the second combination plate, the third combination plate and the air guide cover are both provided with a fourth screw groove that matches the fourth countersunk screw. The side of the rubber sleeve is provided with a through hole corresponding to the fourth countersunk screw.
[0011] In summary, the beneficial effects of this application are:
[0012] 1. Through the arrangement of the first combined board, the second combined board, the third combined board, the connecting board and the first countersunk screw, when a certain part of the base plate is damaged, only the first combined board, the second combined board or the third combined board at the damaged part can be replaced separately, which can avoid the waste of resources caused by the overall replacement;
[0013] 2. The dual arrangement of the mounting plate and the additional rod can increase the firmness of the air guide cover after installation, making it less likely for the air guide cover to fall off. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:
[0015] Figure 1 It is a schematic diagram of the structure of the utility model;
[0016] Figure 2 It is a schematic diagram of the top view of the structure of the connection plate, the air guide cover, the mounting plate, the protective net, the third countersunk screw and the connection of the additional rod of the utility model;
[0017] Figure 3 It is a schematic diagram of the top view of the wind guide cover of the utility model;
[0018] Figure 4 This is a schematic diagram of the structure of the connecting plate of the utility model;
[0019] Figure 5 It is a structural schematic diagram of the substrate of the utility model.
[0020] Numbers in the figure: 1, first combination plate; 2, second combination plate; 3, third combination plate; 4, connecting plate; 5, first countersunk screw; 6, air guide cover; 7, second countersunk screw; 8, mounting plate; 9, rubber sleeve; 10, protective net; 11, third countersunk screw; 12, additional rod; 13, fourth countersunk screw; 14, first rod body; 15, second rod body; 16, third rod body; 17, ventilation hole. DETAILED DESCRIPTION
[0021] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the utility model are shown in the accompanying drawings.
[0022] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.
[0023] Please refer to Figure 1-Figure 5 A lightweight impact-resistant bottom guard plate for engine protection, including a base plate, the base plate includes a first combination plate 1, a second combination plate 2 and a third combination plate 3, a connecting plate 4 is respectively installed between the first combination plate 1 and the second combination plate 2, and between the second combination plate 2 and the third combination plate 3 through a first countersunk screw 5; an air guide cover 6, the air guide cover 6 is installed on the side of the connecting plate 4 through a second countersunk screw 7, and a mounting plate 8 is fixedly installed on the upper and lower sides of the air guide cover 6; a rubber sleeve 9, the rubber sleeve 9 is bonded to the outer side of the air guide cover 6; a protective net 10, the protective net 10 is installed on the upper end of the air guide cover 6 through a third countersunk screw 11; an additional rod 12, the additional rod 12 is respectively connected between the air guide cover 6 and the first combination plate 1, between the air guide cover 6 and the second combination plate 2, and between the air guide cover 6 and the third combination plate 3 through a fourth countersunk screw 13, and the additional rod 12 includes a first rod body 14, a second rod body 15 and a third rod body 16.
[0024] Figure 1 , Figure 4 and Figure 5 As shown, the sides of the first combined plate 1 and the third combined plate 3 are provided with mounting holes, and the second combined plate 2 is located between the first combined plate 1 and the third combined plate 3. Fixed blocks are fixedly installed on both sides of the connecting plate 4, which facilitates the installation of the connecting plate 4. The sides of the fixed blocks are provided with first countersunk holes corresponding to the first countersunk screws 5, and the sides of the first combined plate 1, the second combined plate 2 and the third combined plate 3 are provided with first screw grooves that fit the first countersunk screws 5.
[0025] like Figure 1-Figure 4 As shown, the rear side of the air guide cover 6 is an open structure, the upper end of the air guide cover 6 is provided with an opening to facilitate air intake, and the lower end of the air guide cover 6 is a closed structure. The side of the mounting plate 8 is provided with a second countersunk hole corresponding to the second countersunk screw 7, and the side of the connecting plate 4 is provided with a second screw groove that fits the second countersunk screw 7, which facilitates the installation of the second countersunk screw 7.
[0026] like Figure 1-Figure 3 and Figure 5 As shown, the upper end of the air guide cover 6 is provided with a third screw groove matched with the third countersunk screw 11, and the side of the protective net 10 is provided with a third countersunk hole corresponding to the third countersunk screw 11, which facilitates the installation of the third countersunk screw 11. The third rod 16 is fixedly connected between the second rod 15 and the first rod 14, and the sides of the first rod 14 and the second rod 15 are provided with a fourth countersunk hole corresponding to the fourth countersunk screw 13, and the sides of the first combination plate 1, the second combination plate 2, the third combination plate 3 and the air guide cover 6 are provided with a fourth screw groove matched with the fourth countersunk screw 13, and the side of the rubber sleeve 9 is provided with a through hole corresponding to the fourth countersunk screw 13, which facilitates the installation of the fourth countersunk screw 13.
[0027] like Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, ventilation holes 17 are provided on the sides of the first combined plate 1, the second combined plate 2, the third combined plate 3 and the connecting plate 4. The first combined plate 1, the second combined plate 2 and the third combined plate 3 are all made of resin, and the connecting plate 4 and the air guide cover 6 are both made of alloy.
[0028] When in use: use bolts to pass through the mounting holes and install this product under the engine. When the car is moving, the airflow will enter the air guide cover 6 through the protective net 10, and then be transported to the vicinity of the upper engine through the ventilation holes 17, which has the effect of ventilation and fanning. At the same time, the protective net 10 can prevent external garbage or debris from entering the air guide cover 6. When the air guide cover 6 is impacted, the rubber sleeve 9 can play a buffering role, and the dual setting of the mounting plate 8 and the additional rod 12 can increase the firmness of the air guide cover 6 after installation, so that the air guide cover 6 is not easy to fall off. When a part of the base plate is damaged, first remove the fourth countersunk screw 13 and the additional rod 12, then remove the second countersunk screw 7 and the air guide cover 6, and then remove the first countersunk screw 5 and the connecting plate 4, so that the first combination plate 1 or the second combination plate 2 or the third combination plate 3 of the damaged part can be replaced separately, which can avoid the waste of resources caused by overall replacement.
[0029] The above description is only an explanation of the preferred embodiments of the present application and the technical principles and other schemes used. At the same time, the scope of the utility model involved in the present application is not limited to the technical scheme formed by a specific combination of the above technical features, but also includes other technical schemes formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model. For example, the above features are replaced with the technical features with similar functions disclosed in the present application (but not limited to) to form a technical scheme.
Claims
1. A lightweight impact-resistant bottom guard plate for engine protection, characterized in that include: A base plate, the base plate comprising a first combined plate (1), a second combined plate (2) and a third combined plate (3), wherein the connecting plate (4) is respectively installed between the first combined plate (1) and the second combined plate (2), and between the second combined plate (2) and the third combined plate (3) by means of a first countersunk screw (5); An air guide cover (6), the air guide cover (6) being mounted on the side of the connecting plate (4) by means of a second countersunk screw (7), and mounting plates (8) being fixedly mounted above and below the air guide cover (6); A rubber sleeve (9), wherein the rubber sleeve (9) is bonded to the outer side of the air guide cover (6); A protective net (10), the protective net (10) being mounted on the upper end of the air guide cover (6) via a third countersunk screw (11); An additional rod (12), the additional rod (12) being respectively connected between the air guide cover (6) and the first combined plate (1), between the air guide cover (6) and the second combined plate (2), and between the air guide cover (6) and the third combined plate (3) through a fourth countersunk screw (13), the additional rod (12) comprising a first rod body (14), a second rod body (15), and a third rod body (16).
2. The lightweight impact-resistant underbody guard for engine protection according to claim 1 is characterized by: The side surfaces of the first combined board (1) and the third combined board (3) are both provided with mounting holes, and the second combined board (2) is located between the first combined board (1) and the third combined board (3).
3. The lightweight impact-resistant underbody guard for engine protection according to claim 1 is characterized by: A fixing block is fixedly mounted on both the left and right sides of the connecting plate (4), and a first countersunk hole corresponding to the first countersunk screw (5) is provided on the side of the fixing block, and a first screw groove matching the first countersunk screw (5) is provided on the side of the first combined plate (1), the second combined plate (2) and the third combined plate (3).
4. The lightweight impact-resistant underbody guard for engine protection according to claim 1 is characterized by: The rear side of the air guide cover (6) is an open structure, the upper end of the air guide cover (6) is provided with an opening, and the lower end of the air guide cover (6) is a closed structure.
5. The lightweight impact-resistant underbody guard for engine protection according to claim 1 is characterized by: A second countersunk hole corresponding to the second countersunk screw (7) is provided on the side of the mounting plate (8), and a second screw groove matching the second countersunk screw (7) is provided on the side of the connecting plate (4).
6. The lightweight impact-resistant underbody guard for engine protection according to claim 1, characterized in that: The upper end of the air guide cover (6) is provided with a third screw groove matched with the third countersunk screw (11), and the side surface of the protection net (10) is provided with a third countersunk hole corresponding to the third countersunk screw (11).
7. The lightweight impact-resistant underbody guard for engine protection according to claim 1 is characterized by: The third rod body (16) is fixedly connected between the second rod body (15) and the first rod body (14); the side surfaces of the first rod body (14) and the second rod body (15) are both provided with fourth countersunk holes corresponding to the fourth countersunk screws (13); the side surfaces of the first assembly plate (1), the second assembly plate (2), the third assembly plate (3) and the air guide cover (6) are both provided with fourth screw grooves matching the fourth countersunk screws (13); and the side surface of the rubber sleeve (9) is provided with through holes corresponding to the fourth countersunk screws (13).
8. The lightweight impact-resistant underbody guard for engine protection according to claim 1, characterized in that: Ventilation holes (17) are provided on the sides of the first combined plate (1), the second combined plate (2), the third combined plate (3) and the connecting plate (4).