Multi-way valve special for hydraulic system of agricultural machinery

Abstract

The utility model discloses a special multi-way valve for an agricultural machinery hydraulic system, which comprises a multi-way valve main body and a fixed plate, a fixed shaft is fixedly connected inside the fixed plate, a first rotating plate is sleeved outside the fixed shaft and above the fixed plate, and a second rotating plate is sleeved outside the fixed shaft and between the first rotating plate and the fixed plate. According to the multi-way valve special for the agricultural mechanical hydraulic system, a clamping block is inserted into a clamping groove in a connecting plate at the bottom of a multi-way valve body, then a threaded rod on a fixing plate is rotated forwards, at the moment, the threaded rod drives a sliding block to move in the direction close to the threaded rod, and then the sliding block drives a sliding rod to extrude the inner wall of a second sliding groove through a sliding plate; the first rotating plate and the second rotating plate are driven to rotate, at the moment, the clamping blocks on the first rotating plate and the second rotating plate are clamped with the clamping grooves, and therefore mounting and fixing of the multi-way valve body are completed, the multi-way valve body is disassembled, and the threaded rod is rotated reversely.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of reversing valve, more specifically, relate to the multiway valve special for agricultural machinery hydraulic system. BACKGROUND

[0002] The multiway valve is a device for controlling the transfer or distribution of fluid (liquid or gas) between multiple pipelines, which is usually composed of valve body, valve core, sealing element, control device, etc. This valve is commonly used in agricultural machinery hydraulic system, pneumatic system, industrial automation and fluid engineering to realize switching, shunting, confluence and other operations between different pipelines. The multiway valve usually needs to be fixed at a suitable position on the object during use.

[0003] However, most of the multiway valves special for agricultural machinery hydraulic system in the prior art are connected and fixed by multiple screws, which need to be screwed during installation and disassembly, and cannot realize quick disassembly and assembly of the multiway valve. Therefore, we provide a multiway valve special for agricultural machinery hydraulic system. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a multiway valve special for agricultural machinery hydraulic system to solve the problems in the background art.

[0005] Most of the multiway valves special for agricultural machinery hydraulic system in the prior art are connected and fixed by multiple screws, which need to be screwed during installation and disassembly, and cannot realize quick disassembly and assembly of the multiway valve.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme.

[0007] The multiway valve special for agricultural machinery hydraulic system comprises a multiway valve body and a fixed plate, the inside of the fixed plate is fixedly connected with a fixed shaft, the outside of the fixed shaft and above the fixed plate are sleeved with a first rotating plate, the outside of the fixed shaft and between the first rotating plate and the fixed plate are sleeved with a second rotating plate, the first rotating plate and the second rotating plate are rotatably connected with the fixed shaft, the top of the first rotating plate and the second rotating plate are fixedly connected with a clamping block, the bottom of the multiway valve body is fixedly connected with a connecting plate, the bottom of the connecting plate is provided with a clamping groove, and the clamping groove is used in cooperation with the clamping block.

[0008] Preferably, the cross section of the clamping block and the clamping groove is T-shaped structure.

[0009] Preferably, the fixed plate is internally threaded with a threaded rod, and a slider is rotatably connected to one end of the threaded rod near the fixed plate. A first groove is formed inside both the first and second rotating plates near the slider, and a second groove is formed inside both the first and second rotating plates. The second groove communicates with the first groove. Slide plates are fixedly connected to corresponding sides of the slider. The slide plates pass through the first groove and extend into the second groove. A slide rod is slidably connected inside the second groove, and the slide rod is fixedly connected to the slide plate.

[0010] Preferably, a groove is provided on one side of the fixing plate, and the groove is used in conjunction with the threaded rod.

[0011] Preferably, the outer wall of the slide plate is fitted with the inner wall of the first slide groove, and both the first rotating plate and the second rotating plate are used in conjunction with the slide plate.

[0012] Preferably, the first rotating plate and the second rotating plate are the same size.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] Insert the locking blocks on the first and second rotating plates into the slots on the bottom connecting plate of the multi-way valve body. Then, rotate the threaded rod on the fixing plate in the forward direction. At this time, the threaded rod will drive the slider to move closer to the threaded rod. The slider will then drive the sliding rod to press against the inner wall of the second sliding groove through the sliding plate, thereby driving the first and second rotating plates to rotate. At this time, the locking blocks on the first and second rotating plates will engage with the slots, thus completing the installation and fixing of the multi-way valve body. If it is necessary to disassemble the multi-way valve body, simply rotate the threaded rod in the reverse direction. Attached Figure Description

[0015] Fig. 1 This is a schematic diagram of the overall structure of this utility model;

[0016] Fig. 2 This is a schematic diagram of the structure of the fixing plate of this utility model;

[0017] Fig. 3 This is a schematic diagram of the connecting plate of this utility model;

[0018] Fig. 4 This is a schematic diagram of the slider of this utility model.

[0019] The following are the labels in the diagram: 1. Multi-way valve body; 2. Fixing plate; 3. Fixing shaft; 4. First rotating plate; 5. Second rotating plate; 6. Locking block; 7. Connecting plate; 8. Locking groove; 9. Threaded rod; 10. Slider; 11. First sliding groove; 12. Sliding plate; 13. Sliding rod; 14. Second sliding groove; 15. Groove. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0021] Please refer to Figs. 1 to 4 , the special multi-way valve of agricultural machinery hydraulic system, including multi-way valve main body 1 and fixed plate 2, the inside fixed connection of fixed plate 2 is equipped with fixed shaft 3, the outside of fixed shaft 3 and the top of fixed plate 2 are equipped with first rotating plate 4, the outside of fixed shaft 3 and between first rotating plate 4 and fixed plate 2 are equipped with second rotating plate 5, first rotating plate 4 and second rotating plate 5 are crossed and arranged on the outside of fixed shaft 3, first rotating plate 4 and second rotating plate 5 are all rotationally connected with fixed shaft 3, the top of first rotating plate 4 and second rotating plate 5 are all fixedly connected with clamping block 6, the bottom of connecting plate 7 is fixedly connected with multi-way valve main body 1, the bottom of connecting plate 7 is equipped with clamping groove 8, clamping groove 8 is used in cooperation with clamping block 6, through clamping block 6 and clamping groove 8, multi-way valve main body 1 and fixed plate 2 are connected and fixed, reach the purpose of quick installation and disassembly.

[0022] Further, the cross section of clamping block 6 and clamping groove 8 is T-shaped structure, clamping block 6 can be inserted into clamping groove 8, when first rotating plate 4 and second rotating plate 5 rotate, clamping block 6 can be clamped with clamping groove 8, thereby realizing the fixed connection of multi-way valve main body 1 and fixed plate 2.

[0023] Further, the inside of fixed plate 2 is screwedly connected with threaded rod 9, the outside of threaded rod 9 is rotationally connected with sliding block 10 near one end of fixed plate 2, the inside of first rotating plate 4 and second rotating plate 5 is equipped with first sliding slot 11 near one side of sliding block 10, the inside of first rotating plate 4 and second rotating plate 5 is equipped with second sliding slot 14, second sliding slot 14 is communicated with first sliding slot 11, the corresponding two sides of sliding block 10 are all fixedly connected with sliding plate 12, sliding plate 12 passes through first sliding slot 11 and extends to the inside of second sliding slot 14, the inside of second sliding slot 14 is slidably connected with sliding rod 13, sliding rod 13 is fixedly connected with sliding plate 12, by rotating threaded rod 9, first rotating plate 4 and second rotating plate 5 are driven to rotate, thereby changing the position of clamping block 6, controlling the clamping and separation of clamping block 6 and clamping groove 8.

[0024] Further, one side of fixed plate 2 is equipped with recess 15, recess 15 is used in cooperation with threaded rod 9, by recess 15, threaded rod 9 will not protrude from fixed plate 2, so that threaded rod 9 will not hinder the installation and fixation of fixed plate 2.

[0025] Further, the outer side wall of the sliding plate 12 is attached to the inner side wall of the first sliding groove 11, the first rotating plate 4 and the second rotating plate 5 are used in cooperation with the sliding plate 12, the sliding block 10 can be limited by the first sliding groove 11 and the sliding plate 12, when the threaded rod 9 rotates, the sliding block 10 can be driven to move, the sliding block 10 drives the sliding rod 13 to extrude the inner wall of the second sliding groove 14, so that the first rotating plate 4 and the second rotating plate 5 on the fixed shaft 3 are driven to rotate.

[0026] Further, the first rotating plate 4 and the second rotating plate 5 are the same size, the fixed shaft 3 is located at the center position of the first rotating plate 4 and the second rotating plate 5, and the lower surface of the first rotating plate 4 and the upper surface of the second rotating plate 5 are provided with grooves 15, under the action of the two grooves 15, the upper surfaces of the first rotating plate 4 and the second rotating plate 5 are on the same plane after being stacked together, which is beneficial to the clamping of the clamping block 6 and the clamping groove 8.

[0027] The use steps of the utility model are as follows: when the multi-way valve special for the agricultural machinery hydraulic system is used, the multi-way valve main body 1 is placed on the fixed plate 2, the clamping block 6 on the first rotating plate 4 and the second rotating plate 5 is inserted into the clamping groove 8 on the connecting plate 7 at the bottom of the multi-way valve main body 1, then the threaded rod 9 on the fixed plate 2 is positively rotated, at this time, the threaded rod 9 will drive the sliding block 10 to move towards the direction close to the threaded rod 9, the sliding block 10 drives the sliding rod 13 to extrude the inner wall of the second sliding groove 14 through the sliding plate 12, so as to drive the first rotating plate 4 and the second rotating plate 5 to rotate, at this time, the clamping block 6 on the first rotating plate 4 and the second rotating plate 5 will be clamped with the clamping groove 8, so as to complete the installation and fixation of the multi-way valve main body 1, if it is needed to disassemble the multi-way valve main body 1, the threaded rod 9 can be reversely rotated, the operation is fast, compared with the traditional mode of connecting and fixing the multi-way valve main body 1 through multiple screws, it is more convenient.

[0028] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, the above examples and descriptions in the specification are only preferred examples of the utility model, and are not used to limit the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed. The protection scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A multi-way valve for agricultural machinery hydraulic system, comprising a multi-way valve body (1) and a fixing plate (2), characterized in that: The inside of the fixed plate (2) is fixedly connected with a fixed shaft (3), the outside of the fixed shaft (3) and above the fixed plate (2) is sleeved with a first rotating plate (4), the outside of the fixed shaft (3) and between the first rotating plate (4) and the fixed plate (2) is sleeved with a second rotating plate (5), the first rotating plate (4) and the second rotating plate (5) are rotatably connected with the fixed shaft (3), the top of the first rotating plate (4) and the second rotating plate (5) is fixedly connected with a clamping block (6), the bottom of the multi-way valve body (1) is fixedly connected with a connecting plate (7), the bottom of the connecting plate (7) is provided with a clamping groove (8), and the clamping groove (8) is used in cooperation with the clamping block (6).

2. The specialty agricultural machine hydraulic system manifold valve of claim 1, wherein: The cross section of the clamping block (6) and the clamping groove (8) is T-shaped structure.

3. The specialty agricultural machine hydraulic system manifold valve of claim 1, wherein: The inside of the fixed plate (2) is threadedly connected with a threaded rod (9), one end of the outside of the threaded rod (9) close to the fixed plate (2) is rotatably connected with a sliding block (10), the inside of the first rotating plate (4) and the second rotating plate (5) close to one side of the sliding block (10) is provided with a first sliding groove (11), the inside of the first rotating plate (4) and the second rotating plate (5) is provided with a second sliding groove (14), the second sliding groove (14) is communicated with the first sliding groove (11), the corresponding two sides of the sliding block (10) is fixedly connected with a sliding plate (12), the sliding plate (12) passes through the first sliding groove (11) and extends to the inside of the second sliding groove (14), the inside of the second sliding groove (14) is slidably connected with a sliding rod (13), and the sliding rod (13) is fixedly connected with the sliding plate (12).

4. The specialty hydraulic system valve for agricultural machinery of claim 1, wherein: One side of the fixed plate (2) is provided with a groove (15), and the groove (15) is used in cooperation with the threaded rod (9).

5. The specialty hydraulic system valve for agricultural machinery of claim 3, wherein: The outer side wall of the sliding plate (12) is attached to the inner side wall of the first sliding groove (11), and the first rotating plate (4) and the second rotating plate (5) are used in cooperation with the sliding plate (12).

6. The specialty hydraulic system valve for agricultural machinery of claim 1, wherein: The first rotating plate (4) and the second rotating plate (5) are the same size.

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