Three-section type hinge structure hood shell

The three-section hinge structure design of the machine cover solves the problems of inconvenient opening and high maintenance costs of traditional machine covers, achieving flexible operation and reduced maintenance costs.

CN223919408UActive Publication Date: 2026-02-17XINGGUANG AGRI MACHINERY CO LTD
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Patent Information

Application Number
CN202520795902.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-25
Publication Date
2026-02-17
Estimated Expiration
2035-04-25

AI Technical Summary

Technical Problem

Traditional light tracked tractors have problems such as inconvenient opening of the hood structure, insufficient operating space, and high maintenance costs. They are particularly difficult to operate in narrow spaces, and the entire hood needs to be replaced when damaged, which is costly.

Method used

It adopts a three-section hinge structure design, including a middle shell and front and rear shells that are hinged separately. Flexible opening is achieved through positioning blocks and locking parts. Combined with U-shaped rubber strips and sealing grooves, the cushioning is improved, and heat dissipation holes and chip removal grooves enhance heat dissipation and cleaning effects.

Benefits of technology

It enables flexible opening and closing of the casing, reducing maintenance time and costs, improving operational convenience and efficiency, and allowing individual replacement of casing components, thus reducing maintenance costs.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a three-section type hinge structure hood shell, and belongs to the technical field of hood shells. The three-section type hinge structure machine cover shell comprises a middle shell body, a front end shell body and a rear end shell body are hinged to the two ends of the middle shell body respectively, the machine cover shell is formed after the front end shell body, the rear end shell body and the middle shell body are closed, and positioning blocks are installed on the outer wall of the front end shell body and the outer wall of the rear end shell body respectively. A locking piece is installed on the outer wall of the middle shell. By arranging the middle shell body, the front end shell body and the rear end shell body, the front end shell body and the rear end shell body are hinged to the middle shell body, through the three-section type hinge structure design, opening and closing of the machine cover shell are easier and more flexible, an operator can rapidly open the corresponding machine cover shell section according to the overhaul requirement, and the machine cover shell is more convenient to use. The maintenance time and labor cost are greatly saved, the working efficiency is improved, meanwhile, the middle shell, the front-end shell and the rear-end shell can be independently replaced, and then the maintenance cost can be reduced.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of machine cover shells, in particular to a three-section hinge structure machine cover shell. BACKGROUND

[0002] The machine cover shell of a conventional light track tractor is mostly of a whole or two-section structure. When the whole machine cover shell is opened, a large operating space is required, and because of its large volume and weight, the opening and closing process is very inconvenient, especially in a narrow space, it is almost impossible to operate smoothly. In addition, once the whole machine cover shell is partially damaged, it often needs to be replaced as a whole, which is costly. Although the two-section machine cover shell improves the convenience of opening to some extent, there is still a problem of insufficient operating space when maintaining some components located in the middle of the machine cover shell. Therefore, we propose a three-section hinge structure machine cover shell. CONTENT OF THE UTILITY MODEL

[0003] In order to make up for the above shortcomings, the present application provides a three-section hinge structure machine cover shell, aiming to improve the many inconvenient problems of the conventional machine cover shell in the use process.

[0004] The present application provides a three-section hinge structure machine cover shell, which comprises an intermediate shell body, the two ends of the intermediate shell body are respectively hingedly connected with a front end shell body and a rear end shell body, the front end shell body, the rear end shell body and the intermediate shell body form a machine cover shell after being closed, the outer wall of the front end shell body and the outer wall of the rear end shell body are both provided with a positioning block, the outer wall of the intermediate shell body is provided with a locking piece, and the locking piece is locked with the positioning blocks on both sides.

[0005] In a specific embodiment, the top of the intermediate shell body is fixedly provided with a first hinge and a second hinge on both sides, respectively, the first hinge is connected with the front end shell body, and the second hinge is connected with the rear end shell body.

[0006] In a specific embodiment, the locking piece comprises two mounting blocks, both of which are fixedly installed on the outer wall of the intermediate shell body, both of which are fixedly installed with a fixed block, and both of which are fixedly installed with a hook assembly on one side wall of the fixed block.

[0007] In a specific embodiment, one end of the side wall of both positioning blocks is fixedly connected with an arc-shaped hook plate, and two hook assemblies are respectively connected with two arc-shaped hook plates.

[0008] In a specific embodiment, the hook assembly comprises a spring, one end of the spring is fixedly connected with the side wall of the fixed block, and the other end of the spring is fixedly installed with a ring, and the ring is hung on the arc-shaped hook plate.

[0009] In a specific embodiment, a first U-shaped rubber strip and a second U-shaped rubber strip are respectively arranged on the two end side walls of the intermediate shell, and a first sealing groove and a second sealing groove are respectively arranged on the end side walls of the front shell and the rear shell, and the first U-shaped rubber strip and the second U-shaped rubber strip are respectively arranged in the first sealing groove and the second sealing groove.

[0010] In a specific embodiment, a plurality of heat dissipation holes are arranged on the front end shell, and the plurality of heat dissipation holes are evenly distributed and arranged on the front end shell.

[0011] In a specific embodiment, a plurality of heat dissipation holes are arranged on the front end shell, and the plurality of heat dissipation holes are evenly distributed and arranged on the front end shell.

[0012] The beneficial effects of the present application are as follows: by arranging the intermediate shell, the front end shell and the rear end shell, the front end shell and the rear end shell are hingedly arranged with the intermediate shell, and by arranging the three-section hinge structure, the opening and closing of the machine cover shell is more convenient and flexible, the operator can quickly open the corresponding machine cover shell according to the maintenance requirements, thereby greatly saving the maintenance time and labor cost and improving the work efficiency, and the intermediate shell, the front end shell and the rear end shell can be replaced individually, thereby reducing the maintenance cost. BRIEF DESCRIPTION OF DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0014] Figure 1 is a main structure schematic diagram of the three-section hinge structure machine cover shell provided by the embodiments of the present application;

[0015] Figure 2 is a first perspective view expanded structure schematic diagram of the three-section hinge structure machine cover shell provided by the embodiments of the present application;

[0016] Figure 3 is a second perspective view expanded structure schematic diagram of the three-section hinge structure machine cover shell provided by the embodiments of the present application;

[0017] Figure 4 is a front end shell cross-sectional structure schematic diagram of the three-section hinge structure machine cover shell provided by the embodiments of the present application;

[0018] Figure 5 is a rear end shell cross-sectional structure schematic diagram of the three-section hinge structure machine cover shell provided by the embodiments of the present application; Figure 1An enlarged view of a portion of A.

[0019] In the figure: 10-intermediate shell; 110-first hinge; 120-second hinge; 130-first U-shaped rubber strip; 140-second U-shaped rubber strip; 20-front end shell; 210-first sealing groove; 220-radiating hole; 230-chip removal groove; 30-rear end shell; 310-second sealing groove; 40-positioning block; 410-arc-shaped hook plate; 50-locking piece; 510-mounting block; 520-fixing block; 530-hook assembly; 5310-spring; 5320-hanging ring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be described below with reference to the accompanying drawings in the embodiments of the present application.

[0021] Please refer to Figures 1-5 The present application provides a three-section hinge structure machine cover shell, which comprises an intermediate shell 10, two ends of the intermediate shell 10 are respectively hingedly connected with a front end shell 20 and a rear end shell 30, the front end shell 20, the rear end shell 30 and the intermediate shell 10 are closed to form a machine cover shell, the outer wall of the front end shell 20 and the outer wall of the rear end shell 30 are both provided with a positioning block 40, and the outer wall of the intermediate shell 10 is provided with a locking piece 50, which is locked with the positioning blocks 40 on both sides. Specifically, the intermediate shell 10 can be installed on a machine body through an existing screw structure, the outer wall of the intermediate shell 10 can be connected with a pin, the pin is installed on the machine body, the front end shell 20 mainly covers the front end components of a tractor, such as a radiator, etc.; the intermediate shell 10 covers core components such as an engine; and the rear end shell 30 covers the rear hydraulic system, electrical equipment, etc. This segmented design makes it possible to open the corresponding machine cover shell section as needed when overhauling different parts, without the need to open them all, greatly improving the convenience of operation. Further, the outer walls of the front and rear of the intermediate shell 10 are both provided with a locking piece 50, and the outer walls of the front and rear of the front end shell 20 and the rear end shell 30 are both fixedly provided with a positioning block 40.

[0022] Please refer to Figure 1 and 2, the first hinge 110 and the second hinge 120 are arranged on both sides of the top of the intermediate shell 10, the first hinge 110 is connected with the front end shell 20, and the second hinge 120 is connected with the rear end shell 30, when arranged, the first hinge 110 and the second hinge 120 are both provided with two, so that the front end shell 20 and the rear end shell 30 can rotate to realize overturning, further, the locking piece 50 includes two mounting blocks 510, the two mounting blocks 510 are both fixedly installed on the outer wall of the intermediate shell 10, two fixed blocks 520 are fixedly installed on the two mounting blocks 510, a hook assembly 530 is installed on one end of the side wall of each of the two fixed blocks 520, an arc-shaped hook plate 410 is fixedly connected to one end of the side wall of each of the two positioning blocks 40, and the two hook assemblies 530 are connected with the two arc-shaped hook plates 410, specifically, the hook assembly 530 can be hung on the arc-shaped hook plate 410, so as to realize locking of the front end shell 20 and the rear end shell 30 on the intermediate shell 10, and when overhauling, the corresponding hook assembly 530 is removed, so that the front end shell 20 or the rear end shell 30 can be overturned.

[0023] Referring to Figure 1 and 5 , the hook assembly 530 includes a spring 5310, one end of the spring 5310 is fixedly connected with the side wall of the fixed block 520, and the other end of the spring 5310 is fixedly installed with a hanging ring 5320, the hanging ring 5320 is hung on the arc-shaped hook plate 410, and when arranged, the spring 5310 is stretched by pulling the hanging ring 5320, so that the hanging ring 5320 is hung on the arc-shaped hook plate 410, and the spring 5310 provides tension to realize locking of the front end shell 20 or the rear end shell 30 on the intermediate shell 10.

[0024] Referring to Figure 2 and 3 , the first U-shaped rubber strip 130 and the second U-shaped rubber strip 140 are respectively installed on the side walls of the two ends of the intermediate shell 10, the first sealing groove 210 and the second sealing groove 310 are respectively formed in the side walls of one end of the front end shell 20 and the rear end shell 30, and the first U-shaped rubber strip 130 and the second U-shaped rubber strip 140 are respectively arranged in the first sealing groove 210 and the second sealing groove 310, when arranged, the first U-shaped rubber strip 130 and the second U-shaped rubber strip 140 are elastically arranged, so that when the front end shell 20 and the rear end shell 30 are closed with the intermediate shell 10, the first U-shaped rubber strip 130 and the second U-shaped rubber strip 140 can improve the buffering and prevent the front end shell 20 and the rear end shell 30 from being damaged by collision with the intermediate shell 10.

[0025] Referring to Figure 1 , 2And 4, the front end shell 20 is provided with a plurality of heat dissipation holes 220, the plurality of heat dissipation holes 220 are evenly distributed and arranged, and located at the front of the front end shell 20, the inner wall of the front end shell 20 is fixedly provided with a chip removal groove 230, the top and bottom of the chip removal groove 230 are both provided with an opening, and the plurality of heat dissipation holes 220 are located in the chip removal groove 230, specifically, the heat dissipation holes 220 are arranged on the front end shell 20, so that the inside of the machine cover shell is communicated with the outside, the heat dissipation effect is improved, and the chip removal groove 230 is arranged on the inner wall of the front end shell 20, the chip removal groove 230 is used for blocking the soil passing through the heat dissipation holes 220, so that the soil is blocked by the chip removal groove 230 and discharged from the bottom of the chip removal groove 230.

[0026] The three-section hinge structure machine cover shell in use: the front end shell 20 and the rear end shell 30 are turned to a closed state with the middle shell 10, then the hanging ring 5320 is pulled to hang on the arc-shaped hook plate 410, then the remaining hanging rings 5320 are installed to fix the front end shell 20 and the rear end shell 30, and the middle shell 10 is installed on the machine body, when detecting, the corresponding hanging ring 5320 is pulled to be taken off from the arc-shaped hook plate 410, the corresponding shell can be opened to facilitate maintenance.

[0027] It should be noted that the specific model and specification of the first hinge 110 and the second hinge 120 need to be selected and determined according to the actual specification of the device, and the specific selection calculation method adopts the existing technology in the art, so it will not be described in detail.

[0028] The above only describes the embodiments of the present application and does not limit the protection scope of the present application. For those skilled in the art, the present application can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application. It should be noted that similar reference numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

Claims

1. A three-stage hinge structure hood shell, characterized by, The utility model provides a machine cover shell, including intermediate casing (10), the front end casing (20) and rear end casing (30) are hinged respectively at both ends of intermediate casing (10), the front end casing (20), rear end casing (30) and intermediate casing (10) are closed and form the machine cover shell, the outer wall of front end casing (20) and rear end casing (30) is all installed with locating block (40), the outer wall of intermediate casing (10) is installed with locking piece (50), locking piece (50) is locked with the locating block (40) on both sides.

2. The three-stage hinge structure bonnet shell of claim 1, wherein, First hinge (110) and second hinge (120) are fixedly installed on both sides of the top of intermediate casing (10), first hinge (110) is connected with front end casing (20), and second hinge (120) is connected with rear end casing (30).

3. The three-stage hinge structure bonnet shell of claim 1, wherein, Locking piece (50) includes two mounting blocks (510), two mounting blocks (510) are fixedly installed on the outer wall of intermediate casing (10), two mounting blocks (510) are fixedly installed with fixed blocks (520), and one end side wall of two fixed blocks (520) is installed with hook assemblies (530).

4. The three-stage hinge structure bonnet shell of claim 3, wherein, One end side wall of two locating blocks (40) is fixedly connected with arc hook plates (410), and two hook assemblies (530) are connected with two arc hook plates (410) respectively.

5. The three-stage hinge structure bonnet shell of claim 4, wherein, Hook assembly (530) includes spring (5310), one end of spring (5310) is fixedly connected with the side wall of fixed block (520), the other end of spring (5310) is fixedly installed with hanging rings (5320), and hanging rings (5320) are hung on arc hook plates (410).

6. A three-part hinge structure bonnet shell according to any one of claims 1-5, characterized in that, First U-shaped rubber strip (130) and second U-shaped rubber strip (140) are installed on the side wall of both ends of intermediate casing (10), first sealing grooves (210) and second sealing grooves (310) are formed in the side wall of one end of front end casing (20) and rear end casing (30) respectively, and first U-shaped rubber strip (130) and second U-shaped rubber strip (140) are arranged in first sealing grooves (210) and second sealing grooves (310) respectively.

7. The three-stage hinge structure bonnet shell of claim 1, wherein, A plurality of heat dissipation holes (220) are formed in front end casing (20), a plurality of heat dissipation holes (220) are evenly distributed, and are located at the front of front end casing (20).

8. The three-stage hinge structure bonnet shell of claim 7, wherein, Chip removal groove (230) is fixedly installed on the inner wall of front end casing (20), the top and bottom of chip removal groove (230) are in open arrangement, and a plurality of heat dissipation holes (220) are located in chip removal groove (230).