A diesel engine protective cover mounting device

Abstract

The utility model relates to diesel engine protective cover technical field, especially diesel engine protective cover mounting device, including, oil filler cap, cover nut, flat washer, protective cover, stud bolt, hexagonal flange nut, sealing rubber ring, cylinder cover, the sealing rubber ring is installed in the downside position on stud bolt, the hexagonal flange nut is installed on stud bolt, and the hexagonal flange nut is pressed tightly sealing rubber ring after installation, prevents oil seepage, is provided with the subsidence hole on the protective cover, the protective cover is guided installation on stud bolt through the subsidence hole, and this protective cover mounting device borrows the stud bolt of present cylinder cover, series connection type installation arrangement, and the structure is reasonable compact, and the installation operation is convenient, improves the versatility of part, and the whole presents the characteristics of beautiful, practical.

Description

Technical Field

[0001] This utility model relates to the field of diesel engine protective cover technology, and in particular to a diesel engine protective cover installation device. Background Technology

[0002] As is well known, diesel engines are a common power source, widely used in both on-road and off-road applications. Generally, in the application of diesel engines, there is no protective structure designed on the top, meaning that components such as the cylinder head cover, injectors, injector return lines, and wiring harnesses are exposed. In this state, firstly, the overall appearance of the diesel engine is unsightly, and secondly, in harsh operating environments, flammable materials such as weeds can fall on top of the diesel engine, posing a fire risk if accumulated over time, thus affecting the normal operation of the diesel engine.

[0003] The State Intellectual Property Office granted a utility model patent on October 3, 2012, entitled "Diesel Engine Fireproof Cover," with application number 201220095274.X and authorization announcement number CN 202468024 U; the application date was March 14, 2012. This patent proposes a diesel engine fireproof cover, including a handwheel, end brackets, bottom brackets, middle brackets, and a cover. While it provides fire protection, the installation process is relatively complex and requires high standards. Furthermore, its overall aesthetics are somewhat lacking. Therefore, there is an urgent need to design and provide a diesel engine protective cover installation device that is easy to install and operate, has a simple structure, high parts versatility, and presents an aesthetically pleasing and practical appearance. Utility Model Content

[0004] The purpose of this utility model is to provide a diesel engine protective cover installation device. This protective cover installation device uses the double-headed studs of the existing cylinder head cover, and is installed in series. It has a reasonable and compact structure, is easy to install and operate, improves the versatility of parts, and presents an overall aesthetic and practical feature.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: A diesel engine protective cover installation device includes a filler cap, a cap nut, a flat washer, a protective cover, a double-ended stud, a hexagonal flange nut, a sealing ring, and a cylinder head cover. The sealing ring is installed on the lower part of the double-ended stud, and the hexagonal flange nut is installed on the double-ended stud, pressing the sealing ring tightly after installation to prevent oil leakage. A recessed hole is provided on the protective cover. The protective cover is guided and installed on the double-ended stud through the recessed hole. Flat washers are used on both sides of the recessed hole, and the tail of the double-ended stud is locked and pressed tightly by a cap nut. The filler cap is connected to the cylinder head cover.

[0006] Furthermore, the protective cover is designed with a countersunk oil port hole adapted for the installation of the oil filler cap, which is installed at the countersunk oil port hole position and connected to the cylinder head cover.

[0007] Furthermore, the protective cover adopts a streamlined design, reinforces the one-piece molding, and takes into account the installation position of the diesel engine nameplate.

[0008] Furthermore, the protective cover is made of PA6-GF30 high-strength modified material, which combines the matrix properties of nylon with the reinforcing effect of glass fiber, and has high rigidity and heat resistance.

[0009] Furthermore, the protective cover and the diesel engine cylinder head cover share a set of double-ended studs for installation and fastening, which makes the structure highly versatile and easy to disassemble and maintain.

[0010] Furthermore, at least four sets of double-ended studs are provided between the protective cover and the diesel engine cylinder head cover.

[0011] Furthermore, the protective cover is designed with a brim-like flange, and the front end of the protective cover is designed with a diesel engine lifting lug interference notch to avoid collisions during the lifting of the diesel engine.

[0012] The beneficial effects of this utility model are as follows: The overall structural design of the diesel engine protective cover installation device provided by this utility model is scientific, and the installation and operation are simple and convenient. The protective cover is made of high-strength modified nylon with glass fiber, which is suitable for high-temperature working environments and simultaneously improves the overall structural strength, avoiding deformation and tearing of parts during diesel engine operation. The protective cover adopts a streamlined design and has a cap-shaped flange, which is more beautiful and elegant. The protective cover and the diesel engine cylinder head cover share a set of double-ended studs for installation and fastening, which has strong structural versatility and is convenient for disassembly and maintenance. Through the above design, the final goal of reasonable and compact structure, convenient installation and disassembly, and high versatility and practicality is achieved. Attached Figure Description

[0013] Figure 1 This is an overall axonometric view of the protective cover of this utility model; Figure 2 This is an exploded view of the structure of this utility model; Figure 3 This is a top view of the protective cover of this utility model. Figure 4 This is a cross-sectional view of the protective cover in this utility model; The numbers in the diagram are: 1-filler cap, 2-cap nut, 3-flat washer, 4-protective cover, 5-double-ended stud, 6-hexagonal flange nut, 7-sealing ring, 8-cylinder head cover, 9-sunken hole, 10-oil port countersunk hole, 11-lifting lug interference notch, 12-cap-type flange. Detailed Implementation

[0014] Specific Embodiment 1: To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that when an element is referred to as "fixed to" or "set on" another element, it can be directly or indirectly connected to the other element. When an element is referred to as "connected to" another element, it can be directly or indirectly connected to the other element. The terms "left" and "right" used in this application to indicate orientation are based on the specific structure shown in the accompanying drawings and do not constitute a limitation on the structure.

[0015] Specifically, as shown in the appendix to the specification of this utility model Figure 1 Instruction manual attached Figure 2 and instruction manual attached Figure 3 As shown, this utility model provides a diesel engine protective cover installation device, including a filler cap 1, a cap nut 2, a flat washer 3, a protective cover 4, a double-ended stud 5, a hexagonal flange nut 6, a sealing ring 7, and a cylinder head cover 8. The sealing ring 7 is installed on the lower part of the double-ended stud 5, and the hexagonal flange nut 6 is installed on the double-ended stud 5, and the hexagonal flange nut 6 presses the sealing ring 7 after installation to prevent oil leakage. A recessed hole 9 is provided on the protective cover 4. The protective cover 4 is guided and installed on the double-ended stud 5 through the recessed hole 9. Flat washers 3 are used on the upper and lower sides of the recessed hole 9. The tail of the double-ended stud 5 is locked and pressed by a cap nut 2. The protective cover 4 is designed with a countersunk hole 10 for the filler cap 1 to be installed. The filler cap 1 is installed at the countersunk hole 10 and connected to the cylinder head cover 8.

[0016] As per the specification attached to this utility model Figure 2 As shown, the protective cover 4 and the diesel engine cylinder head cover 8 in this utility model share a set of double-ended studs 5 for installation and fastening, which has strong structural versatility and is convenient for disassembly and maintenance; at the same time, the protective cover 4 is made of PA6-GF30 high-strength modified material, which combines the matrix properties of nylon and the reinforcing effect of glass fiber, and has high rigidity and heat resistance, which not only meets the high strength requirements, but also further reduces the risk of fire.

[0017] As per the specification attached to this utility model Figure 1 As shown, the protective cover 4 adopts a streamlined design, reinforces the one-piece molding, takes into account the installation position of the diesel engine nameplate, and leaves a cap-shaped flange 12 for better appearance. The front end is designed with a diesel engine lifting lug interference notch 11 to avoid collisions during diesel engine lifting. The countersunk hole of the protective cover 4 uses flat washers 3 on the top and bottom to increase the clamping area and prevent tearing at the clamping point of the protective cover cap nut.

[0018] The hexagonal flange nut 6 is tightened with a certain process torque to press the sealing ring 7 to prevent oil leakage. Moreover, during subsequent maintenance and disassembly, only the cap nut 2 needs to be removed to remove the protective cover 4, and the cylinder head cover 8 remains in the same installation state, so there is no risk of oil leakage.

[0019] Because the protective cover 4 of this utility model adopts a streamlined structure, accumulated materials such as weeds are easily blown away by the wind force generated by the diesel engine fan. The protective cover 4 is made of PA6-GF30 high-strength modified material, which combines the matrix properties of nylon with the reinforcement effect of glass fiber, and has high rigidity and heat resistance. It not only meets the high strength requirements, but also further reduces the risk of fire and avoids deformation and tearing of parts during diesel engine operation. At the same time, the protective cover 4 uses the double-ended studs 5 of the existing cylinder head cover 8 for installation, with a series installation arrangement, which is reasonable and compact in structure, convenient for installation and operation, and improves the versatility of parts. The overall design is beautiful and practical. The protective cover 4 of this utility model adopts a streamlined design and has a cap-shaped flange, which is more beautiful and elegant. Ultimately, it achieves the purpose of reasonable and compact structure, convenient installation and disassembly, and high versatility and practicality. The above shows and describes the basic principles, main features and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of this utility model as claimed.

Claims

1. A diesel guard mounting arrangement characterised in that, The system includes a filler cap (1), a cap nut (2), a flat washer (3), a protective cover (4), a double-ended stud (5), a hexagonal flange nut (6), a sealing ring (7), and a cylinder head cover (8). The sealing ring (7) is installed on the lower part of the double-ended stud (5), and the hexagonal flange nut (6) is installed on the double-ended stud (5). After installation, the hexagonal flange nut (6) presses the sealing ring (7) to prevent oil leakage. A recessed hole (9) is provided on the protective cover (4). The protective cover (4) is guided and installed on the double-ended stud (5) through the recessed hole (9). Flat washers (3) are used on the upper and lower sides of the recessed hole (9). The tail of the double-ended stud (5) is locked and pressed by a cap nut (2). The filler cap (1) is connected to the cylinder head cover (8).

2. The diesel engine protective cover installation device according to claim 1, characterized in that, The protective cover (4) is designed with an oil port countersunk hole (10) adapted to the installation of the oil port cover (1). The oil port cover (1) is installed at the oil port countersunk hole (10) and connected to the cylinder head cover (8).

3. The diesel engine protective cover installation device according to claim 2, characterized in that, The protective cover (4) adopts a streamlined design, reinforces the one-piece molding, and takes into account the installation position of the diesel engine nameplate.

4. The diesel engine protective cover installation device according to claim 3, characterized in that, The protective cover (4) is made of PA6-GF30 high-strength modified material, which combines the matrix properties of nylon with the reinforcing effect of glass fiber, and has high rigidity and heat resistance.

5. The diesel engine protective cover installation device according to claim 1, characterized in that, The protective cover (4) and the diesel engine cylinder head cover (8) share a set of double-headed studs (5) for installation and fastening, which has strong structural versatility and is convenient for disassembly and maintenance.

6. A diesel engine protective cover installation device according to claim 5, characterized in that, At least four sets of double-headed studs (5) are provided between the protective cover (4) and the diesel engine cylinder head cover (8).

7. The diesel engine protective cover installation device according to claim 1, characterized in that, A brim-type flange (12) is designed on the protective cover (4), and a diesel engine lifting lug interference notch (11) is designed at the front end of the protective cover (4) to avoid collisions during the lifting of the diesel engine.

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