Transmission connection structure of engine and reduction gearbox

Abstract

This utility model discloses a transmission connection structure between an engine and a gearbox. This transmission connection structure connects the engine's output shaft to the gearbox's input shaft. The structure includes a housing, a slider, a rotating block, a clutch block, and a drive mechanism. The housing is mounted on the gearbox, the slider is slidably mounted inside the housing, the drive mechanism is mounted on the housing with one end extending into the housing and driving the slider to move within it, the rotating block is rotatably mounted inside the slider, and the clutch block is mounted in the inner cavity of the slider. The head of the input shaft is a perforated shaft that slides into a perforated groove in the rotating block, and the head of the output shaft is fitted to the clutch block. This transmission connection structure can replace the use of a vehicle clutch in agricultural machinery, providing a clutch effect. Furthermore, when disconnecting the power transmission between the engine and the gearbox, the input shaft experiences no additional load, improving power conversion efficiency. This structure is simple, easy to operate, suitable for agricultural machinery with simple transmissions, and also reduces costs.

Description

Technical Field

[0001] This utility model relates to the field of transmission connection equipment technology, and in particular to a transmission connection structure between an engine and a gearbox. Background Technology

[0002] Agricultural machinery typically uses engines to drive its own operation, such as the engine driving the walking mechanism and the working mechanism. Machinery like rotary tillers and sprayers require the engine to drive both the walking wheels and the working mechanism. A speed reducer is needed to adjust the engine's power output. However, considering that the walking time of rotary tillers and sprayers is much longer than the working time, a transmission connection mechanism is usually installed between the speed reducer and the engine in the working mechanism to control the connection and disconnection of the transmission, ensuring that the working mechanism does not start during walking.

[0003] Most of the transmission connection mechanisms on agricultural machinery use commercially available automotive clutches, which are overkill and also lead to high costs for agricultural machinery. There is an urgent need for a transmission connection mechanism that is low-cost and matches the performance of agricultural machinery. Utility Model Content

[0004] The purpose of this utility model is to provide a transmission connection structure between an engine and a gearbox to solve the problem that existing agricultural machinery uses commercially available vehicle clutches, which results in overperformance and high cost of agricultural machinery equipment.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: A transmission connection structure between an engine and a reduction gearbox connects the output shaft of the engine to the input shaft of the reduction gearbox. The transmission connection structure includes a housing, a slider, a rotating block, a clutch block, and a drive mechanism. The housing is mounted on the reduction gearbox. The slider is slidably mounted inside the housing. The drive mechanism is mounted on the housing, with one end extending into the housing and driving the slider to move within the housing. The rotating block is rotatably mounted inside the slider. The clutch block is mounted in the inner cavity of the slider. The head of the input shaft is a perforated shaft and slidably engages with a perforated groove in the rotating block. The head of the output shaft is adapted to the clutch block.

[0006] A further technical solution is: the driving mechanism includes a rotating shaft, a gear, and a rack. The rotating shaft is rotatably mounted on the housing, the gear is mounted on the inner end of the rotating shaft, and the rack is mounted on the slider, and the gear and the rack mesh with each other.

[0007] A further technical solution is that a wrench is provided at the outer end of the rotating shaft.

[0008] A further technical solution is that the clutch block and the output shaft have matching arc-shaped protrusions on their respective surfaces.

[0009] A further technical solution is: a flange is fitted on the output shaft, and the flange is connected to the housing and the engine respectively.

[0010] A further technical solution is that at least one pulley is installed on the output shaft.

[0011] A further technical solution is that an oil injection hole is provided on the housing.

[0012] Compared with the prior art, the present invention can achieve at least one of the following beneficial effects: This invention proposes a transmission connection structure between an engine and a gearbox. This structure can replace the clutch used in vehicles on agricultural machinery. It uses a drive mechanism to move a slider back and forth within the housing, thereby controlling the rotating block to connect and disconnect the clutch block with the input shaft, achieving a clutch effect. Furthermore, when disconnecting the power transmission between the engine and the gearbox, the input shaft experiences no additional load, improving power conversion efficiency. This structure is simple, easy to operate, suitable for agricultural machinery with simple transmissions, and also reduces costs. Attached Figure Description

[0013] Figure 1 This is a schematic diagram of the transmission connection structure between an engine and a gearbox according to the present invention.

[0014] Figure 2 This utility model Figure 1 A structural diagram from a top-down perspective.

[0015] Figure 3 This utility model Figure 1 A schematic diagram of the transmission connection structure.

[0016] Figure 4 This utility model Figure 1 A schematic diagram of the drive mechanism.

[0017] Figure 5 This utility model Figure 1 A schematic diagram of the clutch block structure.

[0018] Figure 6 This utility model Figure 1 A schematic diagram of the structure of the middle flange.

[0019] Reference numerals in the attached drawings: 1. Transmission connection structure; 2. Engine; 3. Gearbox; 4. Output shaft; 5. Input shaft; 6. Housing; 7. Slider; 8. Rotating block; 9. Clutch block; 10. Drive mechanism; 11. Rotating shaft; 12. Gear; 13. Rack; 14. Wrench; 15. Flange; 16. Pulley; 17. Oil injection hole. Detailed Implementation

[0020] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. The components of the embodiments of this utility model described and shown in the accompanying drawings can typically be arranged and designed in various different configurations.

[0021] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely to illustrate selected embodiments of the invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without inventive effort are within the scope of protection of the present invention.

[0022] It should be noted that, where there is no conflict, the embodiments and features in the embodiments of this utility model can be combined with each other.

[0023] It should be noted that similar labels and letters in the following figures indicate similar items. Therefore, once an item is defined in one figure, it does not need to be further defined and explained in subsequent figures.

[0024] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this utility model is in use, or the orientation or positional relationship commonly understood by those skilled in the art. They are only used for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. In addition, the terms "first," "second," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0025] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances. Example

[0026] This implementation example Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, the transmission connection structure between the engine and the gearbox 1 connects the output shaft 4 of the engine 2 to the input shaft 5 of the gearbox 3. The transmission connection structure 1 includes a housing 6, a slider 7, a rotating block 8, a clutch block 9, and a drive mechanism 10. The housing 6 is mounted on the gearbox 3. The slider 7 is slidably mounted inside the housing 6. The drive mechanism 10 is mounted on the housing 6, and one end of the drive mechanism 10 extends into the housing 6 and drives the slider 7 to move within the housing 6. The rotating block 8 is rotatably mounted inside the slider 7. The clutch block 9 is mounted in the inner cavity of the slider 7. The head of the input shaft 5 is a perforated shaft and slides in cooperation with the perforated groove in the rotating block 8. The head of the output shaft 4 is adapted to the clutch block 9.

[0027] The working process of this utility model is as follows: When the working mechanism of the agricultural machinery needs to start working, the drive mechanism 10 first drives the slider 7 to move within the housing 6. The slider 7, along with the rotating block 8 and the clutch block 9, moves towards the output shaft 4 until the clutch block 9 and the output shaft 4 are connected. At this time, the output shaft 4 rotates along with the clutch block 9 and the rotating block 8, thereby driving the input shaft 5 to rotate. The input shaft 5 is connected to the power input end of the reduction gearbox 3. Finally, the power of the engine 2 is transmitted to the working mechanism of the agricultural machinery through the transmission connection structure 1 and the reduction gearbox 3. This transmission connection structure 1 has a simple structure, can be adapted to agricultural machinery, and reduces the production cost of agricultural machinery.

[0028] Preferably, the drive mechanism 10 includes a rotating shaft 11, a gear 12 and a rack 13. The rotating shaft 11 is rotatably mounted on the housing 6, the gear 12 is mounted on the inner end of the rotating shaft 11, and the rack 13 is mounted on the slider 7, and the gear 12 and the rack 13 mesh with each other.

[0029] Gear 12 rotates together with shaft 1, driving rack 13 to move back and forth, which in turn drives slider 7 to move back and forth, ultimately achieving the clutch control effect.

[0030] Preferably, a wrench 14 is provided at the outer end of the rotating shaft 11.

[0031] The operator can control the clutch effect of the transmission connection structure with minimal effort using wrench 14.

[0032] Preferably, such as Figure 5 As shown, the surfaces of the clutch block 9 and the output shaft 4 opposite each other are provided with matching arc-shaped protrusions.

[0033] The arc-shaped protrusion of clutch block 9 and the arc-shaped protrusion at the end of output shaft 4 engage with each other to achieve the effect of engagement, thereby achieving the purpose of power transmission. Example

[0034] Based on the above embodiments, this embodiment, for example Figure 6 As shown, a flange 15 is fitted onto the output shaft 4, and the flange 15 is connected to the housing 6 and the engine 2 respectively.

[0035] Flange 15 is mainly used to reduce the vibration of output shaft 4, ensure the stability of power transmission of output shaft 4, reduce deformation or shaft breakage, and extend service life.

[0036] Preferably, at least one pulley 16 is mounted on the output shaft 4.

[0037] The pulley 16 can be connected to the pulley of an external mechanism that requires power input via a belt, such as a traveling mechanism.

[0038] Preferably, the housing 6 is provided with an oil injection hole 17.

[0039] The transmission connection structure 1 can be lubricated by adding lubricating oil through the oil injection hole 17.

[0040] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A transmission connection structure between an engine and a gearbox, wherein the transmission connection structure (1) connects the output shaft (4) of an engine (2) to the input shaft (5) of a gearbox (3), characterized in that: The transmission connection structure (1) includes a housing (6), a slider (7), a rotating block (8), a clutch block (9), and a drive mechanism (10). The housing (6) is mounted on the gearbox (3). The slider (7) is slidably mounted inside the housing (6). The drive mechanism (10) is mounted on the housing (6), and one end of the drive mechanism (10) extends into the housing (6) and drives the slider (7) to move inside the housing (6). The rotating block (8) is rotatably mounted inside the slider (7). The clutch block (9) is mounted in the inner cavity of the slider (7). The head of the input shaft (5) is a flower shaft and slides in cooperation with the flower groove in the rotating block (8). The head of the output shaft (4) is adapted to the clutch block (9).

2. The transmission connection structure between the engine and the reduction gearbox according to claim 1, characterized in that: The drive mechanism (10) includes a rotating shaft (11), a gear (12) and a rack (13). The rotating shaft (11) is rotatably mounted on the housing (6). The gear (12) is mounted on the inner end of the rotating shaft (11). The rack (13) is mounted on the slider (7). The gear (12) and the rack (13) mesh with each other.

3. The transmission connection structure between the engine and the reduction gearbox according to claim 2, characterized in that: A wrench (14) is provided at the outer end of the rotating shaft (11).

4. The transmission connection structure between the engine and the reduction gearbox according to claim 1, characterized in that: The clutch block (9) and the output shaft (4) have matching arc-shaped protrusions on their respective surfaces.

5. The transmission connection structure between the engine and the reduction gearbox according to claim 1, characterized in that: A flange (15) is fitted on the output shaft (4), and the flange (15) is connected to the housing (6) and the engine (2) respectively.

6. The transmission connection structure between the engine and the reduction gearbox according to claim 1, characterized in that: At least one pulley (16) is mounted on the output shaft (4).

7. The transmission connection structure between the engine and the reduction gearbox according to claim 1, characterized in that: The housing (6) is provided with an oil injection hole (17).

Images