Threshing chamber door assembly and combine harvester comprising same

By designing a detachable threshing chamber door assembly, the fire hazards and parts corrosion caused by material accumulation in the combine are solved, which improves maintenance efficiency and cost-effectiveness and simplifies the maintenance process.

CN222302438UActive Publication Date: 2025-01-07JOHN DEERE TIANJIN
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Patent Information

Application Number
CN202421031213.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-13
Publication Date
2025-01-07
Estimated Expiration
2034-05-13

AI Technical Summary

Technical Problem

The threshing chamber design of the existing combine harvester has accumulated materials during the maintenance and cleaning process, resulting in fire hazards and parts corrosion, and is inconvenient to maintain and difficult to disassemble, resulting in long maintenance time and high cost.

Method used

A threshing chamber door assembly is designed, including the upper and lower parts connected at a predetermined angle, fixed to the side wall by a detachable locking mechanism, and a sealing device is used to reduce material accumulation and dust spraying, improving the convenience of rapid disassembly and assembly .

Benefits of technology

It effectively reduces material accumulation on the top of the threshing chamber, reduces fire risks and parts corrosion, improves maintenance efficiency and cost-effectiveness, and simplifies the maintenance process and extends the life of parts.

✦ Generated by Eureka AI based on patent content.

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Abstract

A threshing chamber door assembly is characterized in that the threshing chamber door assembly comprises a first part located on the upper portion and a second part located on the lower portion, and a preset angle is formed between the first part and the second part; the upper edge of the first part is detachably and vertically inserted between the inner-layer clamping plate and the outer-layer clamping plate of the side wall of the threshing chamber; the lower edge of the second part is detachably fixed on the side wall of the threshing chamber through a locking mechanism; the threshing chamber door assembly and the threshing chamber side wall are sealed through a sealing device.
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Description

Technical Field

[0001] The utility model relates to the technical field of agricultural machinery, in particular to the technical field of combine harvesters, and more specifically to a threshing chamber door assembly and a combine harvester comprising the same. Background Art

[0002] Combine harvesters are large-scale field machines that play an important role in reducing agricultural labor intensity, improving productivity, reducing agricultural production costs, gaining more time for farming, and promoting agricultural production and harvest. However, in actual use, combine harvesters often have some faults due to untimely cleaning or improper use and maintenance, which requires configuration replacement or other repairs.

[0003] In the prior art, in order to enable the operator to observe the inside of the harvester threshing chamber in time and clean up the materials accumulated in the threshing chamber in time when necessary, a protective cover is usually installed on the side wall of the threshing chamber. Figure 1 The small triangular or rectangular valve shown in the figure. However, this type of valve can only be used for operators to observe and clean materials, but it does not play a big role in replacing the configuration of the multifunctional harvester in the maintenance state. Therefore, when the configuration is replaced during maintenance, a large number of parts need to be disassembled, resulting in a waste of manpower and material resources. Moreover, the valve of the prior art itself is installed with bolts, which is also very troublesome to disassemble.

[0004] In addition, there are also prior art devices such as vertically installed on the side wall of the threshing chamber. Figure 2 However, this type of door 1 will cause a large amount of materials that cannot be cleaned to accumulate in the top plane area 2 above the threshing chamber, which will bring fire hazards, and may also cause corrosion damage to harvester parts if not cleaned for a long time. Utility Model Content

[0005] In order to solve one or more of the above-mentioned technical problems, according to one aspect of the utility model, the utility model provides a threshing chamber door assembly, characterized in that the threshing chamber door assembly includes a first part located at the upper part and a second part located at the lower part, and there is a predetermined angle between the first part and the second part; the upper edge of the first part is vertically inserted between the inner and outer plywood of the threshing chamber side wall in a detachable manner; the lower edge of the second part is detachably fixed to the threshing chamber side wall by a locking mechanism; and a sealing device is used to seal the threshing chamber door assembly and the threshing chamber side wall.

[0006] Preferably, an obtuse angle is formed between the first portion and the second portion.

[0007] Preferably, the first portion and the second portion are integrally formed.

[0008] Preferably, the threshing chamber door assembly comprises at least one reinforcing rib.

[0009] Preferably, the reinforcing rib extends from an upper edge of the first portion to a lower edge of the second portion.

[0010] Preferably, the left and right sides of the threshing chamber door assembly are detachably fixed to the side walls of the threshing chamber by a locking mechanism.

[0011] Preferably, the locking mechanism is a latch structure, which includes a pull ring and a pin, and the pin is used to be inserted into a pin hole protruding from the side wall of the threshing chamber.

[0012] Preferably, the locking mechanism is a locking handle or a locking buckle.

[0013] Preferably, the sealing means comprises sponge or rubber.

[0014] According to another aspect of the utility model, a combine harvester including the above-mentioned threshing chamber door assembly is provided.

[0015] By configuring the threshing chamber door assembly according to the utility model on a combine harvester, the accumulation of materials on the top of the threshing chamber will be greatly reduced, thereby greatly reducing the number of cleaning times by the user, thereby greatly reducing the machine maintenance time and improving the use efficiency of the combine harvester.

[0016] In addition, because the accumulation of material on the top of the threshing chamber is reduced, the risk of machine fire is reduced, and the possibility of corrosion damage to machine parts is greatly reduced, and the life of parts is extended, thereby saving costs for combine harvester users.

[0017] In addition, the threshing chamber door assembly according to the utility model can be quickly disassembled and assembled, thereby reducing maintenance time and saving maintenance costs.

[0018] Furthermore, according to the utility model, the joint between the threshing chamber door assembly and the side wall of the threshing chamber is compressed and sealed with soft materials such as sponge or rubber, thereby reducing the spraying of dust and the like out of the body and optimizing the user experience.

[0019] The details of one or more embodiments are set forth in the accompanying drawings and the description below. Other features and advantages will become apparent from the description, drawings, and claims. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The following will be combined with the accompanying drawings to describe the exemplary embodiments of the present invention in more detail. For clarity, the same components in different drawings are shown with the same reference numerals. In addition, it is understood by those skilled in the art that the specific embodiments shown in the drawings are only exemplary, and they are not intended to limit the scope of the present invention, and the drawings of the present invention are not necessarily drawn to scale.

[0021] in,

[0022] Figure 1 It is a schematic diagram of a threshing chamber valve according to the prior art.

[0023] Figure 2 It is a schematic diagram of another threshing chamber valve according to the prior art.

[0024] Figure 3 It is a schematic diagram of a threshing chamber door assembly according to the utility model.

[0025] Figure 4 It is an enlarged schematic diagram of the locking mechanism according to the utility model. DETAILED DESCRIPTION

[0026] The following is a detailed description of an exemplary embodiment of the utility model in conjunction with the accompanying drawings. For the sake of clarity and brevity, the actual embodiments are not limited to the technical features described in the specification. It should be noted that in the process of improving and modifying any actual embodiment, in order to achieve a specific goal, the process of improvement and modification may be very complicated and time-consuming, but this is still a conventional technical means for those skilled in the art who know the benefits of the utility model. This embodiment is implemented on the premise of the technical solution of the utility model, and a detailed implementation method and process are given, but the scope of protection of the utility model includes but is not limited to the following embodiments.

[0027] Certain terms are used throughout this application to refer to specific system components. As will be appreciated by those skilled in the art, different names may often be used to refer to the same component, and thus this application is not intended to distinguish between components that differ only in name and not in function. In this application, the terms "include," "comprises," and "have" are used in an open format and should therefore be interpreted to mean "including, but not limited to ..."

[0028] Figure 1 A threshing chamber valve of the prior art is shown. The valve can only be used for operators to observe and clean materials, is not conducive to maintenance, and is difficult to disassemble.

[0029] Figure 2 Another existing threshing chamber valve 1 is shown. The valve 1 includes not only a vertical plane area, but also a top plane area 2 above the threshing chamber. The existence of the top plane area 2 causes a large amount of materials that cannot be cleaned to accumulate on the top plane area 2 during the harvesting process of the combine harvester, thereby posing a fire hazard. In addition, long-term cleaning may also cause corrosion damage to the harvester parts.

[0030] Figure 3A threshing chamber door assembly according to the utility model is shown. As shown in the figure, the threshing chamber door assembly is inserted into the side wall of the threshing chamber of the combine harvester. The threshing chamber door assembly includes a first part 101 located at the upper part and a second part 102 located at the lower part, and a predetermined angle is formed between the first part 101 and the second part 102. It can be seen that the main part of the threshing chamber door assembly according to the utility model is not a plane, but has a predetermined curvature.

[0031] Depend on Figure 3 It can be seen that the upper edge of the first part 101 of the threshing chamber door assembly is vertically inserted between the inner and outer plywood of the threshing chamber side wall in a detachable manner; the lower edge of the second part 102 of the threshing chamber door assembly is detachably fixed to the threshing chamber side wall through the locking mechanism 104.

[0032] According to the utility model, the threshing chamber door assembly is disposed in the above-mentioned specific manner. Figure 2 The top plane area in the prior art shown here greatly reduces the accumulation of materials on the top of the threshing chamber, and accordingly greatly reduces the number of times the user cleans, thereby greatly reducing the machine maintenance time and improving the efficiency of the combine harvester. In addition, because the accumulation of materials on the top of the threshing chamber is reduced, the risk of machine fire is reduced, and the possibility of corrosion and damage to machine parts is greatly reduced, and the life of the parts is extended, thereby saving the cost of the combine harvester user.

[0033] According to a preferred embodiment of the present invention, the first part 101 and the second part 102 are integrally formed.

[0034] According to another preferred embodiment of the present invention, the threshing chamber door assembly includes at least one reinforcing rib 103. Preferably, the reinforcing rib 103 extends from the upper edge of the first part 101 to the lower edge of the second part 102. However, the present invention is not limited thereto, and any changes within the scope of the principle of the present invention are within the protection scope of the present invention.

[0035] According to another preferred embodiment of the present utility model, the left and right sides of the threshing chamber door assembly are detachably fixed to the side walls of the threshing chamber through a locking mechanism 104.

[0036] Figure 4 FIG. 2 shows an enlarged schematic diagram of the locking mechanism according to the utility model. Figure 4 As shown, the locking mechanism 104 is a latch structure, which includes a pull ring 1041 and a pin 1042. The pin 1042 is used to be inserted into a pin hole protruding from the side wall of the threshing chamber.

[0037] Preferably, the locking mechanism 104 may also be a locking handle or a locking buckle.

[0038] The locking mechanism 104 of the threshing chamber door assembly according to the utility model enables the threshing chamber door assembly to be quickly disassembled and assembled, thereby reducing maintenance time and saving maintenance costs.

[0039] Preferably, the threshing chamber door assembly and the side wall of the threshing chamber are compressed and sealed with soft materials such as sponge or rubber, thereby reducing dust and the like from being sprayed out of the machine body and optimizing the user experience.

[0040] According to another aspect of the utility model, a combine harvester including the above-mentioned threshing chamber door assembly is provided.

[0041] The foregoing disclosure of the embodiments of the present disclosure has been proposed for the purpose of illustration and description. It is not intended to be exhaustive or to limit the present disclosure to the precise form disclosed. In light of the above disclosure, many changes and modifications of the embodiments described herein will be apparent to those of ordinary skill in the art. Please note that the above examples are not intended to be restrictive. Additional embodiments of the devices and equipment that may include many of the above features may also be contemplated. After studying the accompanying drawings and detailed description, other devices, equipment, features and advantages of the present disclosure will become more apparent to those of ordinary skill in the art. It is intended that all such other devices, equipment, features and advantages be included within the scope of protection of the present utility model.

[0042] Unless otherwise specifically stated or understood otherwise within the context of use, conditional language such as "can," "may," "might," or "could" is generally intended to convey that certain embodiments may include, but are not required to include, certain features and / or elements. Thus, such conditional language is generally not intended to imply that one or more embodiments must in any way include the features and / or elements.

Claims

1. A threshing chamber door assembly, characterized in that: The threshing chamber door assembly comprises a first part (101) located at the top and a second part (102) located at the bottom, wherein a predetermined angle is formed between the first part (101) and the second part (102); the upper edge of the first part (101) is vertically inserted between the inner and outer plywood of the threshing chamber side wall in a detachable manner; the lower edge of the second part (102) is detachably fixed to the threshing chamber side wall via a locking mechanism (104); a sealing device is used to seal the threshing chamber door assembly and the threshing chamber side wall.

2. The threshing chamber door assembly according to claim 1 is further characterized in that: An obtuse angle is formed between the first portion (101) and the second portion (102).

3. The threshing chamber door assembly according to any one of claims 1 to 2, characterized in that: The first part (101) and the second part (102) are integrally formed.

4. The threshing chamber door assembly according to any one of claims 1 to 2, characterized in that: The threshing chamber door assembly comprises at least one reinforcing rib (103).

5. The threshing chamber door assembly according to claim 4 is further characterized in that: The reinforcing rib (103) extends from an upper edge of the first portion (101) to a lower edge of the second portion (102).

6. The threshing chamber door assembly according to any one of claims 1 to 2, further characterized in that: The left and right sides of the threshing chamber door assembly are detachably fixed to the side walls of the threshing chamber via a locking mechanism (104).

7. The threshing chamber door assembly according to claim 6, further characterized in that: The locking mechanism (104) is a latch structure, comprising a pull ring (1041) and a pin (1042), wherein the pin (1042) is used to be inserted into a pin hole protruding from a side wall of the threshing chamber.

8. The threshing chamber door assembly according to claim 6, further characterized in that: The locking mechanism (104) is a locking handle or a locking buckle.

9. The threshing chamber door assembly according to claim 1, further characterized in that: The sealing device comprises sponge or rubber.

10. A combine harvester, characterized in that: Comprising a threshing chamber door assembly according to claim 1.