Lubricating rotating pin shaft

Abstract

The utility model discloses a lubricating rotating pin shaft, which belongs to the technical field of fasteners, and comprises a shaft body and a connecting frame, an accommodating cavity is arranged in the shaft body, a filling nozzle communicated with the accommodating cavity is fixed outside the shaft body, a plurality of lubricating holes penetrating to the outside of the shaft body are arranged in the accommodating cavity, and the connecting frame is connected with the shaft body. A movable part used for extruding lubricating oil is movably arranged in the containing cavity. According to the lubricating rotating pin shaft, the swinging rotating plate can extrude lubricating oil in the containing cavity, so that the lubricating oil can be extruded out through the lubricating holes, the number of the lubricating holes participating in lubricating is increased, and the service life of the pin shaft is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to fastener technical field more specifically, it relates to a lubricated rotary pin shaft. BACKGROUND

[0002] Pin shaft is a kind of standardization fastener, is often used in the hinge of two parts in engineering machinery.

[0003] The utility model discloses a pin shaft of slow-release lubricating structure discloses a pin shaft body, characterized in that, pin shaft body is equipped with axial oil channel, radial oil channel, pressure chamber;Radial oil channel starting port connects axial oil channel, and radial oil channel end port connects the outer cylindrical surface of pin shaft body;Axial oil channel starting port connects grease nipple, and axial oil channel end port connects pressure chamber.

[0004] The above scheme solves the problem that the pin shaft cannot continuously and automatically provide pressure lubricating grease to the outer cylindrical surface of the pin shaft in the prior art, and avoids the dry grinding, abnormal sound and even seizure between the pin shaft and the shaft sleeve caused by the small oil outlet of the oil channel.

[0005] The present application provides another technical solution to solve the technical problem. UTILITY MODEL CONTENTS

[0006] In view of the deficiencies in the prior art, the utility model aims at providing a lubricated rotary pin shaft.

[0007] The above technical purpose of the utility model is realized by the following technical scheme.

[0008] A lubricated rotary pin shaft, comprising a shaft body and a connecting frame, the shaft body is provided with a containing cavity, the shaft body is fixed with a filling nozzle in communication with the containing cavity, the containing cavity is provided with a plurality of lubricating holes penetrating the shaft body, and a movable member for extruding lubricating oil is movably arranged in the containing cavity.

[0009] The utility model is further provided with two containing cavities symmetrically arranged with the shaft body as the center, the two containing cavities are communicated, and the plurality of lubricating holes are divided into two parts and symmetrically arranged with the shaft body as the center.

[0010] The utility model is further provided with a rotating plate arranged between the two containing cavities.

[0011] The utility model is further provided with a gap between the two sides of the rotating plate and the side wall of the containing cavity.

[0012] The utility model is further provided with a cleaning port in the containing cavity, and an operating block is threadedly connected to the cleaning port.

[0013] The utility model further sets up: the sliding joint between rotating board and cleaning mouth.

[0014] To sum up, the utility model has the following beneficial effects:

[0015] When the pin shaft is used, it will be vibrated due to the working of the excavator, and the vibration will drive the rotating plate to swing in the two accommodating cavities, the swinging rotating plate will extrude the lubricating oil in the accommodating cavity, so that the lubricating oil will be squeezed out through the lubricating hole, the lubricating hole participating in lubrication is increased, and the service life of the pin shaft is improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 For the structure diagram of the utility model Figure One ;

[0017] Figure 2 For the structure diagram of the utility model Figure Two ;

[0018] Figure 3 For the structure diagram of the utility model Figure Three , mainly embodies the state after the operation block is removed.

[0019] In the drawing: 1, shaft body;2, connecting frame;3, accommodating cavity;4, lubricating hole;5, filling nozzle;6, rotating plate;7, cleaning mouth;8, operation block. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model, and in the description of the utility model, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the utility model, obviously, the described embodiments are only a part of the embodiments of the utility model, not all the embodiments.

[0021] As Figure 1 , Figure 2 and Figure 3As shown in the application, a lubricating rotating pin shaft is provided, which comprises a shaft body 1 and a connecting frame 2, and the shaft body 1 and the connecting frame 2 are fixedly connected, wherein the shaft body 1 is provided with two accommodating cavities 3 which are symmetrically arranged with the shaft body 1 as the center, the two accommodating cavities 3 are communicated, the accommodating cavities 3 are provided with a plurality of lubricating holes 4 which penetrate to the outside of the shaft body 1, the plurality of lubricating holes 4 are divided into two parts and symmetrically arranged with the shaft body 1 as the center, and the shaft body 1 is fixedly provided with a filling nozzle 5 which is communicated with the two accommodating cavities 3, lubricating oil is injected into the filling nozzle 5 by using a filling gun, the lubricating oil enters the accommodating cavities 3 through the filling nozzle 5, and then flows out to the outside of the shaft body 1 through the lubricating holes 4, so as to lubricate the surface of the shaft body 1.

[0022] As shown in the application, Figure 1 , Figure 2 and Figure 3 , the accommodating cavities 3 are movably provided with a movable piece, wherein the movable piece comprises a rotating plate 6 which is arranged between the two accommodating cavities 3, the middle part of the rotating plate 6 is rotatably arranged between the two accommodating cavities 3, so as to squeeze out the lubricating oil to the outside of the shaft body 1, and gaps are formed between the two sides of the rotating plate 6 and the side walls of the accommodating cavities 3, so that the lubricating oil can flow through the gaps, and the lubricating oil is prevented from being concentrated and accumulated, when the pin shaft is used, the pin shaft will be vibrated due to the working of the excavator, the vibration will drive the rotating plate 6 to swing in the two accommodating cavities 3, the swinging rotating plate 6 will squeeze the lubricating oil in the accommodating cavities 3, so that the lubricating oil is squeezed out through the lubricating holes 4, the number of the lubricating holes 4 participating in lubrication is increased, and the service life of the pin shaft is improved.

[0023] As shown in the application, Figure 1 , Figure 2 and Figure 3 , the accommodating cavities 3 are provided with a cleaning port 7, the cleaning port 7 is threadedly connected with an operating block 8, the cleaning port 7 is opened by operating the operating block 8, so that the accommodating cavities 3 can be cleaned by using the cleaning port 7, and the rotating plate 6 and the cleaning port 7 are slidably connected, so that the rotating plate 6 can be disassembled, and the cleaning convenience is improved.

[0024] The preferred embodiments of the application are described above, and the protection scope of the application is not limited to the above-mentioned embodiments. Any technical solutions falling within the concept of the application shall fall within the protection scope of the application. It should be noted that, for ordinary technical personnel in the technical field, some improvements and decorations without departing from the principles of the application shall also be considered as the protection scope of the application.

Claims

1. A lubricated rotating pin axle comprising a shaft body (1) and a connecting bracket (2), characterized in that: The shaft body (1) is internally provided with a containing cavity (3), the shaft body (1) is externally fixed with a filling nozzle (5) communicated with the containing cavity (3), the containing cavity (3) is provided with a plurality of lubricating holes (4) penetrating to the outside of the shaft body (1), and the containing cavity (3) is movably provided with a movable part for extruding lubricating oil.

2. A lubricated trunnion according to claim 1, wherein: The two containing cavities (3) are symmetrically arranged with the shaft body (1) as the center, the two containing cavities (3) are communicated, and the plurality of lubricating holes (4) are divided into two parts and symmetrically arranged with the shaft body (1) as the center.

3. A lubricated trunnion according to claim 2, wherein: The movable part comprises a rotating plate (6) located in the two containing cavities (3), and the rotating plate (6) is rotatably arranged at the middle part between the two containing cavities (3).

4. A lubricated trunnion according to claim 3 wherein: Gaps are formed between the two side edges of the rotating plate (6) and the side walls of the containing cavities (3).

5. A lubricated trunnion according to claim 3 wherein: The containing cavity (3) is provided with a cleaning port (7), and the cleaning port (7) is threadedly connected with an operating block (8).

6. A lubricated trunnion according to claim 5 wherein: The rotating plate (6) and the cleaning port (7) are slidably connected.

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