Trailing structure for agricultural machinery appliance

Abstract

The utility model discloses a towing structure for an agricultural machinery appliance, which belongs to the technical field of appliance towing devices and comprises a U-shaped block, a connecting rotating arm and a rotating shaft, the U-shaped block is rotatably connected with the connecting rotating arm through the rotating shaft, and mounting mechanisms are arranged on the sides, far away from each other, of the U-shaped block and the connecting rotating arm. The mounting mechanism comprises connecting blocks fixedly connected to the sides, opposite to the connecting rotating arms, of the U-shaped blocks, sliding grooves are formed in the sides, away from each other, of the two connecting blocks, guide rods are fixedly mounted in the sliding grooves, one ends of the guide rods are movably connected with sliding blocks in a sleeving mode, one sides of the sliding blocks are fixedly connected with movable L-shaped plates, and the movable L-shaped plates are fixedly connected with the connecting rotating arms. The bottom of the movable L-shaped plate is fixedly connected with an inserting block, and clamping holes are symmetrically formed in the bottoms of the two sides of the inserting block. By arranging the mounting mechanism, when the device is used, operation is convenient and fast, and the mounting and dismounting efficiency of the device can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of appliance towing device, more particularly to a kind of towing structure for agricultural machine appliance. BACKGROUND

[0002] In agricultural machinery, "towing structure" generally refers to a kind of tractor type mechanical device structure, which is widely used in the connection and operation of various agricultural equipment. Towing structure refers to agricultural tractor or other traction equipment, which can be connected to mechanical equipment or tools through special connecting device, and can be used for farming, seeding, harvesting and other agricultural operations. Towing structure plays a very important role in agricultural machinery, which can effectively connect traction equipment and various agricultural tools, improve agricultural production efficiency, and has high adaptability.

[0003] The existing towing structure is connected with the towing vehicle or agricultural machine appliance by traditional mounting hole during use, and is fixed by bolt. This installation method is too complex, not convenient enough, and the installation and disassembly are relatively cumbersome. Therefore, a kind of towing structure for agricultural machine appliance is proposed to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem that the existing towing structure is connected with the towing vehicle or agricultural machine appliance by traditional mounting hole during use, and is fixed by bolt. This installation method is too complex, not convenient enough, and the installation and disassembly are relatively cumbersome. Therefore, a kind of towing structure for agricultural machine appliance is provided.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A kind of towing structure for agricultural machine appliance, including U-shaped block, connecting arm and pivot, the U-shaped block is rotatably connected with connecting arm by pivot, the side of U-shaped block and connecting arm away from each other is provided with mounting mechanism, the mounting mechanism includes the connecting block fixedly connected on the opposite side of U-shaped block and connecting arm, the side of two connecting block away from each other is provided with sliding slot, the sliding slot is fixedly installed with guide rod, one end of the guide rod is movably sleeved with sliding block, one side of the sliding block is fixedly connected with movable L-shaped plate, the movable L-shaped plate bottom is fixedly connected with plug-in block, the two sides bottom of plug-in block is symmetrically provided with clamping hole, the side bottom of connecting block located in movable L-shaped plate is fixedly connected with fixed L-shaped plate, the top of fixed L-shaped plate is provided with insertion slot, the top of two sides of fixed L-shaped plate is symmetrically provided with installation cavity, the installation cavity is fixedly installed with clamping assembly, the two sides top of fixed L-shaped plate is symmetrically provided with limiting component.

[0007] As a further description of the above technical scheme, the clamping assembly comprises first pull rods arranged at the top of both sides of the fixed L-shaped plate, one end of the first pull rod is fixedly connected with a limiting sleeve, the other end of the limiting sleeve is fixedly connected with a connecting rod, one end of the connecting rod located in the installation cavity is fixedly connected with a sliding block, the first reset spring is sleeved on the end of the connecting rod close to the sliding block, the other end of the sliding block is fixedly connected with a clamping column, the clamping column passes through the fixed L-shaped plate and is inserted into the clamping hole.

[0008] As a further description of the above technical scheme, the limiting assembly comprises fixed blocks fixedly connected on both sides of the fixed L-shaped plate, the second pull rod is arranged at the bottom of the fixed block and extends to the top of the fixed block, the other end of the second pull rod is fixedly connected with a limiting clamping block, and the second reset spring is sleeved on the end of the second pull rod close to the limiting clamping block.

[0009] As a further description of the above technical scheme, the top end of the second reset spring is fixed at the bottom of the limiting clamping block, and the bottom end is fixed at the top of the fixed block, and the limiting clamping block is matched with the limiting sleeve.

[0010] As a further description of the above technical scheme, the sliding block and the installation cavity form a sliding connection structure, the plug is matched with the insertion slot, and the plug and the outer end of the clamping column are both rounded.

[0011] As a further description of the above technical scheme, the two ends of the rotating shaft are symmetrically sleeved with buffer springs, and the buffer springs are fixedly connected between the U-shaped block and the connecting rotating arm.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] 1. The utility model discloses a mounting mechanism, which is arranged on the fixed L-shaped plate, and the first pull rod is arranged at the top of both sides of the fixed L-shaped plate, one end of the first pull rod is fixedly connected with a limiting sleeve, the other end of the limiting sleeve is fixedly connected with a connecting rod, one end of the connecting rod located in the installation cavity is fixedly connected with a sliding block, the first reset spring is sleeved on the end of the connecting rod close to the sliding block, the other end of the sliding block is fixedly connected with a clamping column, the clamping column passes through the fixed L-shaped plate and is inserted into the clamping hole.

[0014] 2. The utility model discloses a buffer spring, which is arranged on the fixed L-shaped plate, and the first pull rod is arranged at the top of both sides of the fixed L-shaped plate, one end of the first pull rod is fixedly connected with a limiting sleeve, the other end of the limiting sleeve is fixedly connected with a connecting rod, one end of the connecting rod located in the installation cavity is fixedly connected with a sliding block, the first reset spring is sleeved on the end of the connecting rod close to the sliding block, the other end of the sliding block is fixedly connected with a clamping column, the clamping column passes through the fixed L-shaped plate and is inserted into the clamping hole. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1The whole structure schematic view of the utility model.

[0016] Figure 2 The installation mechanism structure schematic view of the utility model.

[0017] Figure 3 The Figure 2 The enlarged structure schematic view of A of the utility model.

[0018] Figure 4 The fixed L-shaped plate section structure schematic view of the utility model.

[0019] Figure 5 The Figure 4 The enlarged structure schematic view of B of the utility model.

[0020] The drawings show that the utility model discloses a kind of agricultural farm implements with towed structure, please refer to Specific embodiments

[0021] In order to facilitate understanding the utility model, the utility model will be described more comprehensively below with reference to relevant drawings, which show several embodiments of the utility model, but the utility model can be realized by different forms, and is not limited to the embodiments described in the text, on the contrary, these embodiments are provided to make the disclosed content of the utility model more thorough and comprehensive.

[0022] The utility model provides a kind of towed structure for agricultural farm implement, please refer to Figures 1-5As shown, including U-shaped block 1, connecting arm 2 and pivot 4, U-shaped block 1 and connecting arm 2 are rotatably connected through pivot 4, U-shaped block 1 and connecting arm 2 are provided with mounting mechanism 3 away from each other, mounting mechanism 3 includes connecting block 31 fixedly connected to the opposite side of U-shaped block 1 and connecting arm 2, two connecting blocks 31 are away from each other, and the inside of the sliding groove 35 is fixedly installed with a guide rod 36, one end of the guide rod 36 is movably sleeved with a sliding block 37, one side of the sliding block 37 is fixedly connected with a movable L-shaped plate 32, the bottom of the movable L-shaped plate 32 is fixedly connected with an insertion block 34, the two sides of the bottom of the insertion block 34 are symmetrically provided with clamping holes 311, the bottom of one side of the connecting block 31 is fixedly connected with a fixed L-shaped plate 33, the top of the fixed L-shaped plate 33 is provided with an insertion slot 310, and the top of the two sides of the fixed L-shaped plate 33 is symmetrically provided with a mounting cavity 312, and the inside of the mounting cavity 312 is fixedly installed with a clamping assembly 38, and the two sides of the top of the fixed L-shaped plate 33 are symmetrically provided with a limiting assembly 39.

[0023] In the embodiment of the application, in use, the fixed L-shaped plate 33 is buckled on the towing adapter of the trailer or farm implement, and then the movable L-shaped plate 32 is pushed down, so that the sliding block 37 moves downward along the sliding groove 35, so that the movable L-shaped plate 32 moves towards the fixed L-shaped plate 33, so that the insertion block 34 is inserted into the insertion slot 310, and in the insertion process, the insertion block 34 contacts the clamping column 386, and the first reset spring 384 is compressed and reset, so that the clamping column 386 is inserted into the clamping hole 311, and the installation is completed, and vice versa, only the second pull rod 392 is pulled downward, the second pull rod 392 drives the limiting clamping block 394 to move downward, then the first pull rod 381 is pulled outward, the first pull rod 381 drives the sliding block 385 to move outward along the mounting cavity 312, so as to drive the limiting sleeve 382 to move outward, release the second pull rod 392, under the rebounding force of the second reset spring 393, the limiting clamping block 394 is clamped on the limiting sleeve 382, at this time, the clamping column 386 is separated from the clamping hole 311, so as to facilitate disassembly, convenient operation, and improve the installation and disassembly efficiency of the device.

[0024] Further, the clamping assembly 38 comprises a first pull rod 381 arranged at the top of both sides of the fixed L-shaped plate 33, one end of the first pull rod 381 is fixedly connected with a limiting sleeve 382, the other end of the limiting sleeve 382 is fixedly connected with a connecting rod 383, one end of the connecting rod 383 located in the installation cavity 312 is fixedly connected with a sliding block 385, the end of the connecting rod 383 close to the sliding block 385 is sleeved with a first reset spring 384, the other end of the sliding block 385 is fixedly connected with a clamping column 386, the clamping column 386 passes through the fixed L-shaped plate 33 until inserted into the clamping hole 311, the limiting assembly 39 comprises a fixed block 391 fixedly connected on both sides of the fixed L-shaped plate 33, the fixed block 391 is provided with a second pull rod 392 at the bottom, one end of the second pull rod 392 extending to the top through the fixed block 391 is fixedly connected with a limiting clamping block 394, the end of the second pull rod 392 close to the limiting clamping block 394 is sleeved with a second reset spring 393;

[0025] In use, the first pull rod 381 is pulled outward, the first pull rod 381 drives the sliding block 385 to move outward along the installation cavity 312, so as to drive the limiting sleeve 382 to move outward, the second pull rod 392 is loosened, under the rebounding force of the second reset spring 393, the limiting clamping block 394 is pushed to be clamped on the limiting sleeve 382, at this time, the clamping column 386 is separated from the clamping hole 311, so as to facilitate disassembly.

[0026] Further, the top end of the second reset spring 393 is fixed at the bottom of the limiting clamping block 394, and the bottom end is fixed at the top of the fixed block 391, the limiting clamping block 394 is matched with the limiting sleeve 382.

[0027] Further, the sliding block 385 and the installation cavity 312 form a sliding connection structure, the plug 34 is matched with the insertion slot 310, the plug 34 and the outer end of the clamping column 386 are all rounded, in use, the plug 34 and the clamping column 386 are quickly and conveniently inserted and installed.

[0028] Further, the both ends of the rotating shaft 4 are symmetrically sleeved with buffer springs 5, the buffer springs 5 are fixedly connected between the U-shaped block 1 and the connecting rotating arm 2, in use, through the elastic deformation of the buffer springs 5, the buffer effect is achieved, and the pulling on the bumpy road section is facilitated.

[0029] The working principle of the utility model is: when using, the fixed L-shaped plate 33 is buckled on the towing adapter of the trailer or farm implement, then the movable L-shaped plate 32 is pushed down, the sliding block 37 moves downwards along the sliding groove 35, the movable L-shaped plate 32 moves towards the fixed L-shaped plate 33, the plug block 34 is inserted into the insertion slot 310, in the insertion process, the plug block 34 contacts the clamping column 386, the first reset spring 384 is compressed and reset, the clamping column 386 is inserted into the clamping hole 311, the installation is completed, conversely, the second pull rod 392 is pulled downwards, the second pull rod 392 drives the limiting clamping block 394 to move downwards, the first pull rod 381 is pulled outwards, the first pull rod 381 drives the sliding block 385 to move outwards along the installation cavity 312, the limiting sleeve 382 is driven to move outwards, the second pull rod 392 is loosened, under the rebounding force of the second reset spring 393, the limiting clamping block 394 is pushed to be clamped on the limiting sleeve 382, at this time, the clamping column 386 is separated from the clamping hole 311, so that the dismounting is convenient, the operation is convenient, and the installation and dismounting efficiency of the device is improved.

[0030] The utility model is described above in conjunction with the drawings, obviously, the specific implementation of the utility model is not limited by the above mode, as long as the method concept and technical scheme of the utility model are adopted to carry out this kind of non-essential improvement, or the concept and technical scheme of the utility model are directly applied to other occasions without improvement, all are within the protection scope of the utility model.

Claims

1. A towing structure for agricultural machinery, comprising a U-shaped block (1), a connecting arm (2) and a rotating shaft (4), characterized in that: The U-shaped block (1) and the connecting arm (2) are rotatably connected via a rotating shaft (4). A mounting mechanism (3) is provided on the side of the U-shaped block (1) and the connecting arm (2) away from each other. The mounting mechanism (3) comprises a connecting block (31) fixedly connected to the side of the U-shaped block (1) and the connecting arm (2). A sliding groove (35) is provided on the side of the two connecting blocks (31) away from each other. A guide rod (36) is fixedly installed inside the sliding groove (35). One end of the guide rod (36) is movably sleeved with a slider (37). One side of the slider (37) is fixedly connected to a movable L-shaped plate ( 32), the bottom of the movable L-shaped plate (32) is fixedly connected to an insert block (34), the bottoms of both sides of the insert block (34) are symmetrically provided with clamping holes (311), the bottom of one side of the connecting block (31) is fixedly connected to a fixed L-shaped plate (33), the top of the fixed L-shaped plate (33) is provided with a slot (310), the tops of both sides of the fixed L-shaped plate (33) are symmetrically provided with mounting cavities (312), the inside of the mounting cavity (312) is fixedly provided with a clamping assembly (38), and the tops of both sides of the fixed L-shaped plate (33) are symmetrically provided with limiting assemblies (39).

2. The agricultural implement trailer structure according to claim 1, characterized in that: The clamping assembly (38) includes a first pull rod (381) arranged at the top of both sides of the fixed L-shaped plate (33), one end of the first pull rod (381) is fixedly connected to a limiting sleeve (382), the other end of the limiting sleeve (382) is fixedly connected to a connecting rod (383), one end of the connecting rod (383) located in the installation cavity (312) is fixedly connected to a sliding block (385), one end of the connecting rod (383) close to the sliding block (385) is sleeved with a first return spring (384), the other end of the sliding block (385) is fixedly connected to a clamping column (386), and the clamping column (386) passes through the fixed L-shaped plate (33) until it is inserted into the clamping hole (311).

3. The agricultural implement trailer structure according to claim 2, characterized in that: The limiting assembly (39) includes a fixed block (391) fixedly connected to both sides of the fixed L-shaped plate (33), a second pull rod (392) is provided at the bottom of the fixed block (391), the second pull rod (392) passes through the fixed block (391) and extends to one end of the top to be fixedly connected to the limiting block (394), and a second return spring (393) is sleeved on one end of the second pull rod (392) close to the limiting block (394).

4. The agricultural implement trailer structure according to claim 3, characterized in that: The top end of the second return spring (393) is fixed to the bottom of the limiting block (394), and the bottom end is fixed to the top of the fixed block (391), and the limiting block (394) is adapted to the limiting sleeve (382).

5. The agricultural implement trailer structure according to claim 3, characterized in that: The sliding block (385) and the mounting cavity (312) form a sliding connection structure, the inserting block (34) is adapted to the slot (310), and the outer ends of the inserting block (34) and the clamping column (386) are both rounded.

6. The agricultural implement trailer structure according to claim 1, characterized in that: Buffer springs (5) are symmetrically sleeved on both ends of the rotating shaft (4), and the buffer springs (5) are fixedly connected between the U-shaped block (1) and the connecting rotating arm (2).

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