High-wear-resistance valve body casting for loading machine

Abstract

The high-wear-resistance valve body casting for the loading machine comprises a casting body, a ball is arranged in the casting body, the ball and the casting body form a rotating structure through a connecting block at the bottom, a groove is formed in the surface of the ball, a clamping block is arranged in the groove, and the clamping block is connected with the ball. A connecting rod is connected to the surface of the clamping block, a fixing block is installed on the surface of the connecting rod, a fixing cylinder is fixedly installed on the surface of the casting body, a plastic ring is arranged in the fixing cylinder, an oil injection hole is formed in the surface of the fixing block, and a top cover is connected to the interior of the oil injection hole. By arranging the connecting rod, the fixing cylinder, the plastic ring, the oil injection hole and the oil conveying channel, the connecting rod rotates in the plastic ring in the fixing cylinder, the abrasion resistance of the connecting rod is conveniently improved through the plastic ring, oil is added into the oil injection hole, oil is discharged from the oil outlet in the surface of the ball through the oil conveying pipeline, and the ball is conveniently lubricated; the wear resistance of the ball is improved and the service life is prolonged.

Description

Technical Field

[0001] The utility model relates to the field of loaders, and in particular to a valve body casting for loaders with high wear resistance. Background Art

[0002] A loader is a type of earthwork construction machinery widely used in construction projects such as roads, railways, buildings, hydropower, ports, and mines. It is mainly used for shoveling bulk materials such as soil, sand, gravel, lime, and coal. It can also perform light shoveling operations on ore and hard soil. Valve body castings are needed during the use of the loader.

[0003] The existing valve body castings for loaders have low wear resistance during use, which will affect the service life of the valve body. In addition, the existing valve body is not convenient for filtering impurities inside, and impurities accumulate and easily cause blockage. Therefore, we have made improvements to this and proposed a valve body casting for loaders with high wear resistance. Utility Model Content

[0004] The purpose of the utility model is to solve the problems that the existing valve body castings for loaders have low wear resistance during use, which affects the service life of the valve body, and the existing valve body is not convenient for filtering internal impurities, which causes accumulation of impurities and easily causes blockage.

[0005] In order to achieve the above-mentioned purpose of the utility model, the utility model provides the following technical solutions:

[0006] Valve body castings for loaders with high wear resistance can improve the above problems.

[0007] The specific application is as follows:

[0008] The invention comprises a casting body, wherein a sphere is provided inside the casting body, and the sphere forms a rotating structure with the casting body through a connecting block at the bottom, a groove is provided on the surface of the sphere, and a card block is provided inside the groove, a connecting rod is connected to the surface of the card block, and a fixing block is installed on the surface of the connecting rod, a fixing cylinder is fixedly installed on the surface of the casting body, and a plastic ring is provided inside the fixing cylinder, an oil filling hole is provided on the surface of the fixing block, and a top cover is connected to the inside of the oil filling hole, a fixing frame is provided inside the casting body, and a filter is provided inside the fixing frame, and card slots are provided on the surfaces of the upper and lower sides of the fixing frame, a mounting column is fixedly installed on the surface of the casting body, and a slide groove is provided inside the mounting column and the casting body, a sliding rod is connected inside the slide groove, and a threaded rod is connected inside the sliding rod, and a knob is connected to the surface of the other end of the threaded rod.

[0009] As the preferred technical solution of the present application, the connection between the block and the groove is a snap-fit connection, and oil delivery channels are provided inside the sphere, the block and the connecting rod, an oil outlet hole is provided on the surface of the sphere, and a handle is fixedly installed on the surface of the block.

[0010] As a preferred technical solution of the present application, the connecting rod and the fixing cylinder are connected by a rotational connection, and the connecting rod and the plastic ring are in contact with each other.

[0011] As a preferred technical solution of the present application, the connection between the knob and the mounting column is a rotational connection, and the knob and the threaded rod are in a fixed connection structure.

[0012] As a preferred technical solution of the present application, the connection between the threaded rod and the sliding rod is a threaded connection, and the connection between the sliding rod and the slide groove is a sliding connection, and the slide groove and the sliding rod are both arranged in a rectangular shape.

[0013] As a preferred technical solution of the present application, the connection between the sliding rod and the card slot is a snap connection, and a snap structure is formed between the fixed frame and the casting body.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] In the scheme of this application:

[0016] 1. By arranging the connecting rod, the fixed cylinder, the plastic ring, the oil filling hole and the oil delivery channel, the connecting rod rotates in the plastic ring inside the fixed cylinder, which facilitates the increase of the wear resistance of the connecting rod through the plastic ring. By adding oil to the oil filling hole, the oil is discharged from the oil outlet hole on the surface of the sphere through the oil delivery pipeline, which facilitates the lubrication of the sphere, improves the wear resistance of the sphere, and increases the service life.

[0017] 2. By setting the fixed frame, filter screen, knob, threaded rod and sliding rod, it is convenient to filter impurities passing through the valve body through the filter screen. When cleaning is needed, the knob is rotated on the surface of the mounting column to conveniently drive the threaded rod to rotate. When the threaded rod rotates, it drives the sliding rod inside the slide groove to move up and down. When the sliding rod is not engaged with the slot on the surface of the fixed frame, it is convenient to remove the fixed frame and clean or replace the filter screen, thereby improving its practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the three-dimensional structure of the valve body casting for a loader with high wear resistance provided in this application;

[0019] Figure 2 A schematic diagram of the cross-sectional structure of a valve body casting for a loader with high wear resistance provided in this application;

[0020] Figure 3This is a schematic diagram of the structure of the valve body casting ball and oil pipeline for a loader with high wear resistance provided by this application;

[0021] Figure 4 The valve body casting for a loader with high wear resistance provided by this application Figure 2 Schematic diagram of the enlarged structure of part A in the middle.

[0022] Indicated in the figure:

[0023] 1. Casting body; 2. Sphere; 3. Connecting block; 4. Groove; 5. Clamping block; 6. Connecting rod;

[0024] 7. Fixing block; 8. Fixing cylinder; 9. Plastic ring; 10. Oil filling hole; 11. Top cover; 12. Oil delivery channel; 13. Oil outlet hole; 14. Fixing frame; 15. Filter screen; 16. Slot; 17. Mounting column; 18. Slide groove; 19. Knob; 20. Threaded rod; 21. Sliding rod; 22. Handle. DETAILED DESCRIPTION

[0025] To make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the examples described are only part of the embodiments of the present invention, not all of them.

[0026] Therefore, the following detailed description of the embodiments of the present invention is not intended to limit the scope of the claimed invention, but merely represents some embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative effort are within the scope of protection of the present invention.

[0027] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions therein can be combined with each other.

[0028] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0029] In the description of this utility model, it should be noted that the terms "upper" and "lower" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or the orientations or positional relationships in which the utility model product is typically placed when in use, or the orientations or positional relationships commonly understood by those skilled in the art. Such terms are intended solely to facilitate the description of this utility model and simplify the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" and the like are used solely for distinction and description and should not be construed as indicating or implying relative importance.

[0030] like Figure 1 、 Figure 2 、 Figure 3 and Figure 4 As shown, this embodiment proposes a valve body casting for a loader with high wear resistance, including a casting body 1, a sphere 2 is arranged inside the casting body 1, and the sphere 2 forms a rotating structure with the casting body 1 through a connecting block 3 at the bottom, a groove 4 is opened on the surface of the sphere 2, and a clamping block 5 is arranged inside the groove 4, the surface of the clamping block 5 is connected to a connecting rod 6, and a fixing block 7 is installed on the surface of the connecting rod 6, a fixing cylinder 8 is fixedly installed on the surface of the casting body 1, and a plastic ring 9 is arranged inside the fixing cylinder 8, and the surface of the fixing block 7 is opened. An oil filling hole 10 is provided, and a top cover 11 is connected to the inside of the oil filling hole 10. A fixed frame 14 is provided inside the casting body 1, and a filter screen 15 is provided inside the fixed frame 14, and slots 16 are provided on the upper and lower surfaces of the fixed frame 14. A mounting column 17 is fixedly installed on the surface of the casting body 1, and a slide groove 18 is provided inside the mounting column 17 and the casting body 1. A sliding rod 21 is connected to the inside of the slide groove 18, and a threaded rod 20 is connected to the inside of the sliding rod 21, and a knob 19 is connected to the surface of the other end of the threaded rod 20.

[0031] As a preferred embodiment, on the basis of the above method, further, the connection between the block 5 and the groove 4 is a snap-fit connection, and the inside of the sphere 2, the block 5 and the connecting rod 6 are all provided with an oil delivery channel 12, the surface of the sphere 2 is provided with an oil outlet hole 13, and a handle 22 is fixedly installed on the surface of the block 5, which is convenient for adding lubricating oil into the oil filling hole 10. The lubricating oil will be discharged from the oil outlet hole 13 on the surface of the sphere 2 through the oil delivery channel 12, thereby improving the wear resistance of the sphere 2 and improving the service life of the valve body.

[0032] As a preferred embodiment, on the basis of the above method, the connecting rod 6 and the fixed cylinder 8 are further connected by a rotational connection, and the connecting rod 6 and the plastic ring 9 are fitted together, so that the wear resistance of the connecting rod 6 and the fixed cylinder 8 can be improved by setting the plastic ring 9.

[0033] As a preferred embodiment, on the basis of the above method, further, the connection between the knob 19 and the mounting column 17 is a rotational connection, and the knob 19 and the threaded rod 20 are in a fixed connection structure, and the threaded rod 20 is driven to rotate by rotating the knob 19.

[0034] As a preferred embodiment, on the basis of the above method, further, the connection method between the threaded rod 20 and the sliding rod 21 is a threaded connection, and the connection method between the sliding rod 21 and the slide groove 18 is a sliding connection, and the slide groove 18 and the sliding rod 21 are both arranged in a rectangular shape, which can limit the sliding rod 21 to prevent the sliding rod 21 from rotating with the threaded rod 20, and facilitate the rotation of the threaded rod 20 to drive the sliding rod 21 to move up and down in the slide groove 18.

[0035] As a preferred embodiment, on the basis of the above method, further, the connection between the sliding rod 21 and the card slot 16 is a snap connection, and a snap structure is formed between the fixed frame 14 and the casting body 1, which is convenient for installing or removing the fixed frame 14 and cleaning or replacing the internal filter 15.

[0036] Specifically, the working principle of this solution is: when in use, the wear resistance between the connecting rod 6 and the fixed cylinder 8 is improved by the plastic ring 9 inside the fixed cylinder 8, the top cover 11 on the surface of the fixed block 7 is rotated, and the top cover 11 is removed, so that lubricating oil can be added from the oil filling hole 10 and discharged from the oil outlet 13 on the surface of the sphere 2 through the oil delivery channel 12, thereby improving the wear resistance of the sphere 2 and extending the service life of the valve body.

[0037] The filter screen 15 inside the fixed frame 14 is convenient for filtering impurities passing through the valve body. When the surface of the filter screen 15 needs to be cleaned, the valve body is opened and the knob 19 on the surface of the mounting post 17 is rotated. The knob 19 drives the threaded rod 20 to rotate in the slide groove 18. While the threaded rod 20 rotates, it is convenient to drive the sliding rod 21 to move in the slide groove 18. When the sliding rod 21 is not engaged with the slot 16 on the surface of the fixed frame 14, it is convenient to remove the fixed frame 14 and clean the surface of the internal filter screen 15. During installation, the knob 19 is rotated in the opposite direction so that the sliding rod 21 is stuck in the slot 16 on the surface of the fixed frame 14. The above is the working process of the entire device, and the contents not described in detail in this manual belong to the existing technology known to professional and technical personnel in this field.

[0038] The above embodiments are only used to illustrate the present invention and are not intended to limit the technical solutions described in the present invention. Although this specification has described the present invention in detail with reference to the above embodiments, the present invention is not limited to the above specific implementation methods. Therefore, any modification or equivalent replacement of the present invention; and all technical solutions and improvements thereof that do not depart from the spirit and scope of the present invention are included in the scope of the claims of the present invention.

Claims

1. A valve body casting for a loader with high wear resistance, comprising a casting body (1), characterized in that: A sphere (2) is provided inside the casting body (1), and the sphere (2) forms a rotating structure with the casting body (1) through a connecting block (3) at the bottom. A groove (4) is provided on the surface of the sphere (2), and a clamping block (5) is provided inside the groove (4). The surface of the clamping block (5) is connected to a connecting rod (6), and a fixing block (7) is installed on the surface of the connecting rod (6). A fixing cylinder (8) is fixedly installed on the surface of the casting body (1), and a plastic ring (9) is provided inside the fixing cylinder (8). An oil injection hole (10) is provided on the surface of the fixing block (7), and the oil injection hole (10) is provided at the surface of the fixing block (7). A top cover (11) is connected inside the casting body (1), a fixing frame (14) is provided inside the fixing frame (14), a filter screen (15) is provided inside the fixing frame (14), and slots (16) are provided on the upper and lower surfaces of the fixing frame (14), a mounting post (17) is fixedly installed on the surface of the casting body (1), and a slide groove (18) is provided inside the mounting post (17) and the casting body (1), a sliding rod (21) is connected inside the sliding rod (21), and a threaded rod (20) is connected inside the sliding rod (21), and a knob (19) is connected to the surface of the other end of the threaded rod (20).

2. The valve body casting for a loader with high wear resistance according to claim 1, characterized in that: The connection between the clamping block (5) and the groove (4) is a snap-fit connection, and the interiors of the sphere (2), the clamping block (5) and the connecting rod (6) are all provided with oil delivery channels (12), the surface of the sphere (2) is provided with an oil outlet hole (13), and a handle (22) is fixedly mounted on the surface of the clamping block (5).

3. The valve body casting for a loader with high wear resistance according to claim 1, characterized in that: The connecting rod (6) and the fixed cylinder (8) are connected in a rotating manner, and the connecting rod (6) and the plastic ring (9) are in close contact with each other.

4. The valve body casting for a loader with high wear resistance according to claim 1, characterized in that: The connection between the knob (19) and the mounting column (17) is a rotational connection, and the knob (19) and the threaded rod (20) are in a fixed connection structure.

5. The valve body casting for a loader with high wear resistance according to claim 1, characterized in that: The connection mode between the threaded rod (20) and the sliding rod (21) is a threaded connection, and the connection mode between the sliding rod (21) and the sliding groove (18) is a sliding connection, and the sliding groove (18) and the sliding rod (21) are both arranged in a rectangular shape.

6. The valve body casting for a loader with high wear resistance according to claim 1, characterized in that: The connection between the sliding rod (21) and the card slot (16) is a snap-fit connection, and a snap-fit structure is formed between the fixed frame (14) and the casting body (1).

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