Five-gear mini-tiller transmission box body structure

Abstract

The utility model discloses a five-gear mini-tiller transmission box body structure which comprises a first transmission box body and a second transmission box body, a bolt is arranged between the first transmission box body and the second transmission box body, and the first transmission box body and the second transmission box body are connected through the bolt. An anti-loosening structure is arranged between the first transmission box body and the second transmission box body, the anti-loosening structure comprises a first fixing block, a second fixing block, a guide ring, a movable column, a limiting block, a mounting cavity and a compression spring, and the outer surface of the lower end of the first fixing block is fixedly connected with the side, close to the second transmission box body, of the first transmission box body. According to the five-gear mini-tiller transmission box body structure, the first transmission box body and the second transmission box body are each composed of an outer shell, a sound insulation plate, a sound absorption plate, a lining shell, honeycomb holes and reinforcing supporting columns, the sound absorption plates and the sound insulation plates are arranged, the noise reduction effect can be achieved, and the influence on the environment is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of five-speed micro-tillage machines, in particular to a transmission box structure of a five-speed micro-tillage machine. Background Art

[0002] The micro-tiller with a five-speed gearbox is an agricultural machine that can be adjusted according to the needs of the operation and has high adaptability. Traditional hand-push micro-tillers usually only have a single gear and cannot meet different farming needs. The micro-tiller with a gearbox can meet different operating speed requirements by adjusting the gearbox, making farmers' farming easier and more convenient.

[0003] However, the transmission housing of the gearbox in the prior art has the following disadvantages when in use:

[0004] 1. The noise reduction effect is poor. Noise is generated when the gears inside the box are driven. The noise reduction effect of the box in the existing technology is poor.

[0005] 2. In the prior art, the boxes are locked and fixed by bolts. However, due to the influence of the working environment, the bolts connected to the boxes are easily loosened.

[0006] Therefore, we propose a five-speed micro-tillage machine transmission box structure. Utility Model Content

[0007] (1) Technical problems solved

[0008] In response to the shortcomings of the existing technology, the utility model provides a five-speed micro-tiller transmission box structure, which has the advantages of noise reduction, reduced impact on the environment, and improved stability after bolt connection, which can effectively solve the problems in the background technology.

[0009] (2) Technical solution

[0010] To achieve the above-mentioned purpose, the technical solution adopted by the present invention is: a five-speed micro-tiller transmission case structure, including a first transmission case and a second transmission case, a bolt is provided between the first transmission case and the second transmission case, the first transmission case and the second transmission case are connected by bolts, an anti-loosening structure is provided between the first transmission case and the second transmission case, the anti-loosening structure includes a first fixed block, a second fixed block, a guide ring, a movable column, a limit block, an installation cavity and a compression spring, the lower end outer surface of the first fixed block is fixedly connected to the side of the first transmission case close to the second transmission case, the lower end outer surface of the second fixed block is fixedly connected to the side of the second transmission case close to the first transmission case, the shells of the first transmission case and the second transmission case are composed of an outer shell, a sound insulation board, a sound absorbing board, an inner lining shell, a honeycomb hole and a reinforcing support column, the outer shell is located at the outermost side of the shell, and the inner lining shell is located at the innermost side of the shell.

[0011] Preferably, the sound insulation board is fixedly mounted on the inner wall of the outer shell, the sound absorbing board is fixedly mounted on the outer surface of the sound insulation board away from the outer shell, the inner lining shell is fixedly mounted on the outer surface of the sound absorbing board away from the sound insulation board, and the honeycomb holes are opened on the outer surface of one side of the inner lining shell.

[0012] Preferably, the reinforced support column passes through the sound absorbing board and the sound insulating board and is fixed between the inner wall of the outer shell and the outer wall of the lining shell.

[0013] Preferably, the installation cavity is opened inside the first fixed block, and the number of the guide rings and movable columns in a group of the anti-loosening structure is two groups. The two groups of guide rings are fixedly installed at the left and right ends of the outer surface of one side of the first fixed block. The inner cavity of the guide ring is connected to the installation cavity, and the compression spring and the limit block are both located in the installation cavity.

[0014] Preferably, the outer surface of one end of the compression spring is fixedly connected to the end of the installation cavity away from the guide ring, and the outer surface of the other end of the compression spring is fixedly connected to the outer surface of one side of the limit block. The two groups of movable columns are fixedly installed on the left and right ends of the outer surface of the limit block away from the compression spring, and the movable columns pass through the guide ring.

[0015] Preferably, the outer wall of the movable column is slidably connected to the guide ring, the outer surface of one side of the limit block is elastically connected to one end of the installation cavity through a compression spring, and the outer wall of the limit block is slidably connected to the installation cavity.

[0016] (3) Beneficial effects

[0017] Compared with the prior art, the utility model provides a five-speed micro-tiller transmission box structure, which has the following beneficial effects:

[0018] 1. The transmission box structure of the five-speed micro-tiller, the first transmission box and the second transmission box are composed of an outer shell, a sound insulation board, a sound absorbing board, an inner lining shell, a honeycomb hole and a reinforced support column. The sound absorbing board and the sound insulation board are provided to reduce noise and reduce the impact on the environment.

[0019] 2. The transmission case structure of the five-speed micro-tillage machine is provided with an anti-loosening structure, which facilitates increasing the stability of the bolted connection between the first transmission case and the second transmission case. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The utility model is a schematic diagram of the overall structure of a five-speed micro-tillage machine transmission box structure.

[0021] Figure 2The utility model is a cross-sectional view of the first transmission case and the second transmission case in a five-speed micro-tiller transmission case structure.

[0022] Figure 3 The utility model is a structural schematic diagram of the anti-loosening structure in the transmission box structure of a five-speed micro-tiller.

[0023] Figure 4 It is a partial top cross-sectional view of the anti-loosening structure in the transmission box structure of a five-speed micro-tiller of the utility model.

[0024] In the figure: 1. First transmission housing; 2. Second transmission housing; 3. Anti-loosening structure; 4. Outer housing; 5. Sound insulation board; 6. Sound-absorbing board; 7. Inner lining shell; 8. Honeycomb hole; 9. Reinforced support column; 10. First fixed block; 11. Second fixed block; 12. Guide ring; 13. Movable column; 14. Limit block; 15. Installation cavity; 16. Compression spring. DETAILED DESCRIPTION

[0025] In order to make the technical means, creative features, objectives and effects achieved by the present invention easier to understand, the present invention is further described below in conjunction with specific implementation methods.

[0026] This embodiment is a five-speed micro-tillage machine transmission box structure.

[0027] like Figure 1-4 As shown, it includes a first transmission box body 1 and a second transmission box body 2, bolts are arranged between the first transmission box body 1 and the second transmission box body 2, and the first transmission box body 1 and the second transmission box body 2 are connected by bolts. An anti-loosening structure 3 is arranged between the first transmission box body 1 and the second transmission box body 2, and the anti-loosening structure 3 includes a first fixed block 10, a second fixed block 11, a guide ring 12, a movable column 13, a limit block 14, an installation cavity 15 and a compression spring 16. The lower end outer surface of the first fixed block 10 is fixedly connected to the side of the first transmission box body 1 close to the second transmission box body 2, and the lower end outer surface of the second fixed block 11 is fixedly connected to the side of the second transmission box body 2 close to the first transmission box body 1. The shells of the first transmission box body 1 and the second transmission box body 2 are composed of an outer shell 4, a sound insulation board 5, a sound absorbing board 6, an inner lining shell 7, a honeycomb hole 8 and a reinforcing support column 9. The outer shell 4 is located at the outermost side of the shell, and the inner lining shell 7 is located at the innermost side of the shell.

[0028] The sound insulation board 5 is fixedly mounted on the inner wall of the outer shell 4, the sound absorbing board 6 is fixedly mounted on the outer surface of the side of the sound insulation board 5 away from the outer shell 4, the inner lining shell 7 is fixedly mounted on the outer surface of the side of the sound absorbing board 6 away from the sound insulation board 5, and the honeycomb hole 8 is opened on the outer surface of one side of the inner lining shell 7; the reinforcing support column 9 passes through the sound absorbing board 6 and the sound insulation board 5 and is fixed between the inner wall of the outer shell 4 and the outer wall of the inner lining shell 7; the installation cavity 15 is opened inside the first fixed block 10, and the number of guide rings 12 and movable columns 13 in a set of anti-loosening structures 3 are both two groups, and the two groups of guide rings 12 are fixedly mounted on the left and right ends of the outer surface of one side of the first fixed block 10, and the inner cavity of the guide ring 12 and the installation cavity 15 is connected, the compression spring 16 and the limit block 14 are both located in the installation cavity 15; the outer surface of one end of the compression spring 16 is fixedly connected to the end of the installation cavity 15 away from the guide ring 12, and the outer surface of the other end of the compression spring 16 is fixedly connected to the outer surface of one side of the limit block 14, and two groups of movable columns 13 are fixedly installed on the left and right ends of the outer surface of the side of the limit block 14 away from the compression spring 16, and the movable columns 13 pass through the guide ring 12; the outer wall of the movable column 13 is in sliding connection with the guide ring 12, and the outer surface of one side of the limit block 14 is elastically connected to one end of the installation cavity 15 through the compression spring 16, and the outer wall of the limit block 14 is in sliding connection with the installation cavity 15.

[0029] It should be noted that the present invention is a five-speed micro-tiller transmission box structure, the first transmission box 1 and the second transmission box 2 are locked and fixed by multiple sets of bolts, the first transmission box 1 and the second transmission box 2 are composed of an outer shell 4, a sound insulation board 5, a sound absorbing board 6, an inner lining shell, a honeycomb hole 8 and a reinforced support column 9. The material of the sound absorbing board 6 is mineral wool, and the material of the sound insulation board 5 is high-density fiberboard. The sound absorbing board 6 and the sound insulation board 5 are provided to reduce noise and reduce the impact on the environment. The reinforced support column 9 is provided, and the reinforced support column 9 passes through the sound insulation board 5 and the sound absorbing board 6 and is connected between the outer shell 4 and the honeycomb hole 8 to play a supporting role, thereby improving the strength of the first transmission box 1 and the second transmission box 2. Degree; an anti-loosening structure 3 is set, the first fixed block 10 is fixed on the first transmission case 1, and the second fixed block 11 is fixed on the second transmission case 2. After the first transmission case 1 and the second transmission case 2 are connected by bolts, the first fixed block 10 contacts the second fixed block 11, and the movable column 13 is squeezed by the second fixed block 11 to slide along the guide ring 12. One end of the movable column 13 enters the guide ring 12, and the movable column 13 drives the limit block 14 to squeeze the compression spring 16 in the installation cavity 15. When the first transmission case 1 and the second transmission case 2 are connected by bolts, the compression spring 16 is in an extruded state, and the reaction force released by the compression spring 16 is used to increase the stability after the bolt connection.

[0030] It should be noted that, in this document, relational terms such as first and second (number one, number two), etc., are used solely to distinguish one entity or operation from another, and do not necessarily require or imply any actual relationship or order between these entities or operations. Furthermore, the terms "include," "comprise," or any other variations thereof are intended to encompass non-exclusive inclusion, such that a process, method, article, or apparatus that includes a series of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus. In the absence of further limitations, an element defined by the phrase "includes a..." does not preclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0031] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements shall fall within the scope of the present invention as claimed.

Claims

1. A five-speed micro-tillage machine transmission case structure, comprising a first transmission case (1) and a second transmission case (2), wherein bolts are provided between the first transmission case (1) and the second transmission case (2), and the first transmission case (1) and the second transmission case (2) are connected by bolts, characterized in that: An anti-loosening structure (3) is provided between the first transmission housing (1) and the second transmission housing (2), the anti-loosening structure (3) comprising a first fixed block (10), a second fixed block (11), a guide ring (12), a movable column (13), a limit block (14), an installation cavity (15) and a compression spring (16); the lower end outer surface of the first fixed block (10) is fixedly connected to a side of the first transmission housing (1) close to the second transmission housing (2); the lower end outer surface of the second fixed block (11) is fixedly connected to a side of the second transmission housing (2) close to the first transmission housing (1); the shells of the first transmission housing (1) and the second transmission housing (2) are both composed of an outer shell (4), a sound insulation board (5), a sound absorbing board (6), an inner lining shell (7), honeycomb holes (8) and a reinforcing support column (9); the outer shell (4) is located at the outermost side of the shell, and the inner lining shell (7) is located at the innermost side of the shell.

2. The five-speed micro-tillage machine transmission box structure according to claim 1, characterized in that: The sound insulation board (5) is fixedly mounted on the inner wall of the outer shell (4), the sound absorbing board (6) is fixedly mounted on the outer surface of the sound insulation board (5) away from the outer shell (4), the inner lining shell (7) is fixedly mounted on the outer surface of the sound absorbing board (6) away from the sound insulation board (5), and the honeycomb hole (8) is opened on the outer surface of one side of the inner lining shell (7).

3. The five-speed micro-tillage machine transmission box structure according to claim 2, characterized in that: The reinforcing support column (9) passes through the sound absorbing board (6) and the sound insulating board (5) and is fixed between the inner wall of the outer shell (4) and the outer wall of the inner lining shell (7).

4. The five-speed micro-tillage machine transmission box structure according to claim 3, characterized in that: The installation cavity (15) is opened inside the first fixed block (10), and the number of the guide rings (12) and the movable columns (13) in one set of the anti-loosening structure (3) is two. The two sets of guide rings (12) are fixedly installed on the left and right ends of the outer surface of one side of the first fixed block (10). The inner cavity of the guide ring (12) is connected to the installation cavity (15), and the compression spring (16) and the limit block (14) are both located in the installation cavity (15).

5. The five-speed micro-tillage machine transmission box structure according to claim 4 is characterized in that: The outer surface of one end of the compression spring (16) is fixedly connected to the end of the installation cavity (15) away from the guide ring (12), and the outer surface of the other end of the compression spring (16) is fixedly connected to the outer surface of one side of the limit block (14). The two groups of movable columns (13) are fixedly installed on the left and right ends of the outer surface of the side of the limit block (14) away from the compression spring (16), and the movable columns (13) pass through the guide ring (12).

6. The five-speed micro-tillage machine transmission box structure according to claim 5, characterized in that: The outer wall of the movable column (13) is slidably connected to the guide ring (12), and the outer surface of one side of the limit block (14) is elastically connected to one end of the installation cavity (15) through a compression spring (16), and the outer wall of the limit block (14) is slidably connected to the installation cavity (15).

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