Farm hay cutter

By introducing a position adjustment plate assembly into the cutter, the sealing plate is quickly adjusted by using magnet adsorption, which solves the problems of inconvenient operation and easy loss of existing cutters, and improves the efficiency and reliability of the cutters.

CN223231653UActive Publication Date: 2025-08-19GUANGDONG CHIZIZHIXIN AGRI DEV CO LTD
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Patent Information

Application Number
CN202422438202.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-09
Publication Date
2025-08-19
Estimated Expiration
2034-10-09

AI Technical Summary

Technical Problem

The insert plates of existing mowers are inconvenient to operate and are easily lost, which affects the efficiency and reliability of use.

Method used

A farm cutter including a pivot plate assembly is designed. The pivot plate assembly consists of two guide edges, sealing plates, limiting plates, magnets, etc. The rapid adjustment of the sealing plate is achieved through magnet adsorption, simplifying the opening and sealing operation of the outlet.

Benefits of technology

It realizes rapid positioning of the sealing plate, simplifies the operation process, improves the efficiency and reliability of use, and ensures the outflow and sealing effect after cutting of the forage.

✦ Generated by Eureka AI based on patent content.

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Abstract

A farm hay cutter comprises a bottom frame, a shell main body, a bin door assembly, a position adjusting plate assembly, a cutter assembly, a gearbox and a driving device, the shell main body is provided with an inlet and an outlet, the shell main body is arranged on the bottom frame, the bin door assembly is arranged at the inlet of the shell main body, the position adjusting plate assembly is arranged at the outlet in the bottom of the shell main body, and the cutter assembly is arranged on the gearbox. The position adjusting plate assembly comprises two oppositely-arranged guide edges, a sealing plate installed on the two guide edges in a sliding mode, a limiting plate connected with the two guide edges, a handle installed on the limiting plate, a first magnet installed on one side of the sealing plate and a second magnet installed on the limiting edge, and position adjusting grooves are formed in the inner sides of the guide edges. The front side and the rear side of the sealing plate are clamped in the position adjusting grooves correspondingly. The position of the sealing plate can be rapidly adjusted so as to open or seal the outlet, the whole operation process is simple, and practicability is high.
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Description

Technical Field

[0001] The utility model relates to farm equipment, in particular to a farm grass cutter. Background Art

[0002] Before feeding cattle and sheep, farms need to cut and break up the grass to facilitate its ingestion and absorption. Traditionally, this process is often done manually, but this method is inefficient and increases worker workload. With the continuous advancement of technology, a grass cutter has emerged on the market, replacing manual grass cutting with a mechanical one. This significantly reduces worker workload and allows for a more precise cut and breakage of the grass.

[0003] In addition to the basic housing and the cutting blade device, the existing lawn mower is also provided with an insert plate at the bottom of the housing. The insert plate is inserted into the housing to seal the opening at the bottom of the housing. However, when the insert plate is installed on the housing, it needs to be correctly aligned with the socket before the insert plate can be installed on the housing, which is inconvenient to operate. In addition, the insert plate is a separate part and is easy to lose. Utility Model Content

[0004] Based on this, it is necessary to provide a farm grass cutter to address the deficiencies in the existing technology.

[0005] A farm grass cutter, which includes a chassis, a shell body, a bin door assembly, an adjustment plate assembly, a cutter assembly, a gear box and a driving device, the shell body is provided with an inlet and an outlet, the shell body is mounted on the chassis, the bin door assembly is mounted at the inlet of the shell body, the adjustment plate assembly is mounted at the bottom outlet of the shell body, the cutter assembly is mounted on the shell body, the gear box is mounted on the shell body and is connected to the cutter assembly power, the driving device is connected to the gear box, and the driving device drives the cutter assembly to work through the gear box; the adjustment plate assembly includes two guide edges arranged opposite to each other, a sealing plate slidably mounted on the two guide edges, a limit plate connecting the two guide edges, a handle mounted on the limit plate, a first magnet mounted on one side of the sealing plate, a second magnet mounted on the limit edge, an adjustment groove is provided on the inner side of the guide edge, and when assembled, the front and rear sides of the sealing plate are respectively clamped in the adjustment groove;

[0006] When the sealing plate rotates along the adjusting groove to fit with the limiting edge, the adjusting plate assembly is in an open state, the first magnet and the second magnet attract each other, and push the sealing plate to the end position of the adjusting groove away from the limiting edge, and the sealing plate seals the outlet of the shell body.

[0007] In one embodiment, the shell body includes two side plates arranged opposite to each other, a first peripheral plate and a second peripheral plate connected to the two side plates, and the two side plates, the first peripheral plate, and the second peripheral plate together form an inlet, an outlet, and an inner cavity, and the inlet and the outlet are both connected to the inner cavity, wherein the inlet is located at the top position of the shell body, and the outlet is located at the bottom position of the shell body.

[0008] In one embodiment, a first curved surface is provided at the bottom of the first peripheral plate, a second curved surface is provided at the bottom of the second peripheral plate, and a curved edge is provided on the side plate. The curved edge of the side plate is arranged flush with the first curved surface and the second curved surface in the horizontal direction; the bottom of the first curved surface and the bottom of the second curved surface are separated by a certain distance to form the outlet, and the first curved surface, the second curved surface and the curved edge constitute an arc-shaped mating surface.

[0009] In one embodiment, the two guide edges of the adjustment plate assembly are respectively installed on the mating surface in front and back.

[0010] In one embodiment, the guide edge is arranged in an arc shape as a whole, and the curvature of the guide edge is consistent with the mating surface, and the extension direction of the adjustment groove is consistent with the arc shape of the guide edge as a whole.

[0011] In one embodiment, the sealing plate is also arranged in an arc shape, the curvature of the sealing plate is consistent with the matching surface, and the second magnet is arranged on the rotation path of the first magnet.

[0012] In one embodiment, the warehouse door assembly includes two sliding rails, a warehouse door body sliding on the sliding rails, a positioning member installed on the sliding rails, a ball disposed between the sliding rails and the warehouse door body, and a return spring elastically supported between the ball and the positioning member. The two sliding rails are respectively installed on the two side panels near the entrance.

[0013] In one embodiment, a sliding groove is provided on the inner side of the sliding rail, and the warehouse door body is inserted in the sliding groove. Limiting grooves are provided on both sides of the warehouse door body, and the limiting groove surfaces are arranged in an arc shape. When the warehouse door body is adjusted upward until the limiting groove is aligned with the ball, under the action of the return spring, the ball is snapped into the limiting groove to limit the warehouse door body.

[0014] The beneficial effects of the present utility model farm grass cutter are as follows: by providing an adjustment plate assembly, the adjustment plate assembly includes two guide edges arranged opposite each other, a sealing plate slidably mounted on the two guide edges, and a limit plate connecting the two guide edges. The guide edges are generally arranged in an arc shape. During assembly, the guide edges are mounted on the mating surface, and the front and rear sides of the sealing plate are respectively clamped in the adjustment groove. When the sealing plate rotates along the adjustment groove to abut the limit edge, the first magnet cooperates with the second magnet to maintain the sealing plate in the current position, and the cut grass inside flows out from the outlet. The present utility model can realize the rapid adjustment of the sealing plate to open or seal the outlet, and the entire operation process is simple and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 、 Figure 2 Schematic diagram of the structure of the farm grass cutter of the utility model at different angles;

[0016] Figure 3 for Figure 1 Exploded view of the farm grass cutter shown;

[0017] Figure 4 for Figure 1 Exploded view of the door assembly of a farm mower;

[0018] Figure 5 for Figure 2 Schematic diagram of the structure of the adjustment plate assembly of the farm grass cutter. DETAILED DESCRIPTION

[0019] To make the above-mentioned objects, features, and advantages of the present invention more clearly understood, the following detailed description of specific embodiments of the present invention is provided in conjunction with the accompanying drawings. The following description sets forth many specific details to facilitate a full understanding of the present invention. However, the present invention can be implemented in many other ways than those described herein, and those skilled in the art may make similar modifications without departing from the scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0020] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like to indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation to the present invention.

[0021] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of this utility model, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0022] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, or indirect connection through an intermediate medium; internal communication between two components, or interaction between two components, unless otherwise specified. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0023] In the present invention, unless otherwise expressly specified or limited, when a first feature is "above" or "below" a second feature, it may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediary. Furthermore, when a first feature is "above," "above," or "above" a second feature, it may mean that the first feature is directly above or diagonally above the second feature, or simply means that the first feature is at a higher level than the second feature. When a first feature is "below," "below," or "below" a second feature, it may mean that the first feature is directly below or diagonally below the second feature, or simply means that the first feature is at a lower level than the second feature.

[0024] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0025] See also Figures 1 to 5The utility model provides a farm grass cutter for cutting grass, which includes a chassis 10, a shell body 50, a bin door assembly 60, an adjustment plate assembly 70, a cutter assembly 90, a gear box 80 and a driving device. The shell body 50 is provided with an inlet 100 and an outlet 200. The shell body 50 is mounted on the chassis 10, the bin door assembly 60 is mounted at the inlet 100 of the shell body 50, the adjustment plate assembly 70 is mounted at the bottom outlet 200 of the shell body 50, the cutter assembly 90 is mounted on the shell body 50, the gear box 80 is mounted on the shell body 50 and is power-connected to the cutter assembly 90, the driving device is connected to the internal gear of the gear box 80, and the driving device drives the cutter assembly 90 to work through the gear box 80. The adjustment plate assembly 70 can be adjusted in state so that the adjustment plate assembly 70 is in an open or closed state. When the adjustment plate assembly 70 is in an open state, the interior space of the shell body 50 is connected to the outside through the outlet 200 . When the adjustment plate assembly 70 is in a closed state, the adjustment plate assembly 70 seals the outlet 200 of the shell body 50 .

[0026] The shell body 50 includes two side plates 20 arranged opposite to each other, a first peripheral plate 30 and a second peripheral plate 40 connected to the two side plates 20, and the two side plates 20, the first peripheral plate 30, and the second peripheral plate 40 together form an inlet 100, an outlet 200 and an inner cavity, and the inlet 100 and the outlet 200 are both connected to the inner cavity, wherein the inlet 100 is located at the top position of the shell body 50, and the outlet 200 is located at the bottom position of the shell body 50.

[0027] The first peripheral plate 30 has a first curved surface 31 at its bottom, and the second peripheral plate 40 has a second curved surface 41 at its bottom. The side plate 20 has a curved edge 21, which is horizontally aligned with the first and second curved surfaces 31, 41. The bottoms of the first and second curved surfaces 31, 41 are spaced a certain distance apart to form the outlet 200. The first and second curved surfaces 31, 41, and curved edge 21 form a curved mating surface.

[0028] The adjustment plate assembly 70 includes two guide edges 71 arranged opposite to each other, a sealing plate 72 slidably installed on the two guide edges 71, a limiting plate 73 connecting the two guide edges 71, a handle 76 installed on the limiting plate 73, a first magnet 74 installed on one side of the sealing plate 72, and a second magnet 75 installed on the limiting edge. The guide edge 71 is arranged in an arc shape as a whole, and the curvature of the guide edge 71 is consistent with the mating surface. An adjustment groove 711 is provided on the inner side of the guide edge 71, and the extension direction of the adjustment groove 711 is consistent with the overall arc shape of the guide edge 71. The sealing plate 72 is also arranged in an arc shape, and the curvature of the sealing plate 72 is consistent with the mating surface. The second magnet 75 is arranged on the rotation path of the first magnet 74.

[0029] During assembly, the two guide edges 71 are respectively installed on the mating surface at the front and back, and the front and back sides of the sealing plate 72 are respectively clamped in the adjustment groove 711. When the sealing plate 72 rotates along the adjustment groove 711 to fit with the limiting edge, at this time, the adjustment plate assembly 70 is in an open state, and the first magnet 74 and the second magnet 75 are attracted to each other. Through the cooperation of the first magnet 74 and the second magnet 75, the sealing plate 72 is maintained in the current position, and the grass that has been cut inside flows out from the outlet 200.

[0030] On the contrary, when the sealing plate 72 is pushed to the end position of the adjustment groove 711 away from the limiting edge, the sealing plate 72 seals the outlet 200 of the shell body 50, and the grass remains in the inner cavity.

[0031] The door assembly 60 includes two slide rails 61, a door body 62 slidably mounted on the slide rails 61, a positioning member 63 mounted on the slide rails 61, a ball 64 disposed between the slide rails 61 and the door body 62, and a return spring 65 elastically abutting between the ball 64 and the positioning member 63. The two slide rails 61 are respectively mounted on the two side panels 20 near the entrance 100. A slide groove 611 is provided on the inner side of the slide rail 61. The door body 62 is inserted into the slide groove 611. The door body 62 is Limiting grooves 621 are provided on both sides, and the groove surfaces of the limiting grooves 621 are arranged in an arc shape. When the warehouse door body 62 is adjusted upward until the limiting grooves 621 are aligned with the ball 64, under the action of the return spring 65, the ball 64 is snapped into the limiting groove 621 to limit the warehouse door body 62, so that the warehouse door body 62 remains in the open state. Conversely, when the warehouse door body 62 is pushed downward, the ball 64 slides out of the limiting groove 621 and rests on the side of the warehouse door body 62, and the return spring 65 elastically contracts.

[0032] During operation, the grass can be stuffed into the inner cavity from the entrance 100 of the shell body 50, the door body 62 is closed, the driving device is started, and the cutter assembly 90 cuts the grass into pieces. The door body 62 can prevent the grass from splashing out from the entrance 100 and prevent it from accidentally extending into the shell body 50 during use.

[0033] The farm grass cutter of the present utility model has the following beneficial effects: by providing an adjustment plate assembly 70, the adjustment plate assembly 70 includes two guide edges 71 arranged opposite to each other, a sealing plate 72 slidably mounted on the two guide edges 71, and a limit plate 73 connecting the two guide edges 71. The guide edges 71 are arranged in an overall arc shape. During assembly, the guide edges 71 are mounted on the mating surface, and the front and rear sides of the sealing plate 72 are respectively clamped in the adjustment groove 711. When the sealing plate 72 rotates along the adjustment groove 711 to fit the limit edges, the first magnet 74 and the second magnet 75 cooperate to keep the sealing plate 72 in the current position, and the grass material cut inside flows out from the outlet 200. The utility model can realize the rapid adjustment of the sealing plate 72 to open or seal the outlet 200, and the entire operation process is simple and practical.

[0034] The technical features of the above-mentioned embodiments can be combined arbitrarily. In order to make the description concise, not all possible combinations of the technical features in the above-mentioned embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0035] The above-described embodiments merely represent several implementations of the present invention. While the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the utility model patent. It should be noted that a person skilled in the art would be able to make various modifications and improvements without departing from the concept of the present invention, and these modifications and improvements fall within the scope of protection of the present invention. Therefore, the scope of protection of the present utility model patent shall be determined by the appended claims.

Claims

1. A farm lawn mower, characterized in that: The invention comprises a base frame, a shell body, a bin door assembly, an adjustment plate assembly, a cutter assembly, a gear box and a driving device, wherein the shell body is provided with an inlet and an outlet, the shell body is mounted on the base frame, the bin door assembly is mounted at the inlet of the shell body, the adjustment plate assembly is mounted at the bottom outlet of the shell body, the cutter assembly is mounted on the shell body, the gear box is mounted on the shell body and is connected to the cutter assembly power, the driving device is connected to the gear box, and the driving device drives the cutter assembly to work through the gear box; the adjustment plate assembly comprises two guide edges arranged opposite to each other, a sealing plate slidably mounted on the two guide edges, a limit plate connecting the two guide edges, a handle mounted on the limit plate, a first magnet mounted on one side of the sealing plate, a second magnet mounted on the limit edge, an adjustment groove is provided on the inner side of the guide edge, and when assembled, the front and rear sides of the sealing plate are respectively clamped in the adjustment groove; When the sealing plate rotates along the adjustment groove to fit the limiting edge, the adjustment plate assembly is in an open state, the first magnet and the second magnet attract each other, and push the sealing plate to the end position of the adjustment groove away from the limiting edge, and the sealing plate seals the outlet of the shell body.

2. The farm lawn mower according to claim 1, characterized in that The shell body includes two side plates arranged opposite to each other, a first peripheral plate and a second peripheral plate connected to the two side plates, the two side plates, the first peripheral plate and the second peripheral plate together form an inlet, an outlet and an inner cavity, the inlet and the outlet are both connected to the inner cavity, wherein the inlet is located at the top position of the shell body, and the outlet is located at the bottom position of the shell body.

3. The farm lawn mower according to claim 2, characterized in that The bottom of the first peripheral plate is provided with a first curved surface, the bottom of the second peripheral plate is provided with a second curved surface, and the side plate is provided with a curved edge. The curved edge of the side plate is arranged flush with the first curved surface and the second curved surface in the horizontal direction; the bottom of the first curved surface and the bottom of the second curved surface are separated by a certain distance to form the outlet, and the first curved surface, the second curved surface and the curved edge constitute an arc-shaped mating surface.

4. The farm lawn mower according to claim 3, characterized in that The two guide edges of the adjustment plate assembly are respectively mounted on the matching surface in front and back.

5. The farm lawn mower according to claim 3, characterized in that The guide edge is arranged in an arc shape as a whole, and the curvature of the guide edge is consistent with the matching surface. The extending direction of the adjustment groove is consistent with the arc shape of the guide edge as a whole.

6. The farm lawn mower according to claim 5, characterized in that The sealing plate is also arranged in an arc shape, and the curvature of the sealing plate is consistent with the matching surface. The second magnet is arranged on the rotation path of the first magnet.

7. The farm lawn mower according to claim 1, characterized in that The warehouse door assembly includes two sliding rails, a warehouse door body sliding on the sliding rails, a positioning piece installed on the sliding rails, a ball disposed between the sliding rails and the warehouse door body, and a return spring elastically supporting between the ball and the positioning piece. The two sliding rails are respectively installed on the two side plates near the entrance.

8. The farm lawn mower according to claim 7, characterized in that A sliding groove is provided on the inner side of the sliding rail, and the warehouse door body is inserted in the sliding groove. Limiting grooves are provided on both sides of the warehouse door body, and the limiting groove surfaces are arranged in an arc shape. When the warehouse door body is adjusted upward until the limiting groove is aligned with the ball, under the action of the return spring, the ball is clamped into the limiting groove to limit the warehouse door body.