Combined high-strength pin shaft

Abstract

The utility model discloses a combined type high-strength pin shaft, which belongs to the technical field of fasteners and comprises a main body, an oil duct penetrating through the main body is arranged on the main body, an oil hole communicated with the oil duct is arranged outside the main body, a stop block is detachably connected to an opening at one end of the oil duct, and a cleaning rod is slidably arranged at one end, facing the oil duct, of the stop block through an elastic piece. The cleaning rod is used for abutting against the side wall of the oil duct and blocking an opening in the other end of the oil duct, and the check block is provided with a stop piece for limiting sliding of the cleaning rod. According to the combined type high-strength pin shaft, lubricating grease is protected, and meanwhile solidified lubricating grease can be cleaned by cutting and pushing the solidified lubricating grease.

Description

TECHNICAL FIELD

[0001] The utility model relates to fastener technical field more specifically, it relates to a combined high -strength pin shaft. BACKGROUND

[0002] Pin shaft is a kind of standardization fastener, both static fixed connection, also can be connected with relative motion, mainly used for the hinge of two parts.

[0003] The existing pin shaft will set oil channel, and by the extrusion lubricating grease into oil channel, lubricating grease will flow to pin shaft and part, thereby reducing the abrasion and friction generated at hinge.

[0004] But the lubricating grease in pin shaft solidifies into block after long time, makes that oil channel is easy to be blocked, cannot provide lubrication, also cannot replace the lubricating grease in oil channel by oil gun.

[0005] The application provides a kind of technical scheme to solve this technical problem. UTILITY MODEL CONTENT

[0006] In view of the deficiencies in the prior art, the utility model aims at providing a combined high-strength pin shaft.

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

[0008] A combined high-strength pin shaft, comprising a main body, the main body is provided with an oil channel penetrating through the main body, the main body is provided with an oil hole communicating with the oil channel, one end of the oil channel is detachably connected with a stop block, the stop block is slidably provided with a cleaning rod at one end facing the oil channel by an elastic member, the cleaning rod is used to abut against the side wall of the oil channel and block the other end opening of the oil channel, and the stop block is provided with a stop member limiting the sliding of the cleaning rod.

[0009] The utility model is further provided as follows: the cleaning rod is formed with a scraper disc in contact with the side wall of the oil channel, and the scraper disc is provided with a plurality of flow openings staggered with the openings of the oil channel.

[0010] The utility model is further provided as follows: the side of the scraper disc facing the stop block is formed with a plurality of cutting protrusions, and one cutting protrusion is arranged between adjacent two flow openings.

[0011] The utility model is further provided as follows: the stop block is threadedly connected with the main body, and the cutting protrusions are arranged in an inclined manner.

[0012] The utility model is further provided as follows: the stop block is provided with a mounting groove, the elastic member comprises a spring located in the mounting groove, and the two ends of the spring are connected with the cleaning rod and the bottom of the mounting groove.

[0013] The utility model further sets up: The baffle side wall is equipped with the gap, the gap and the installation groove are linked through the sliding mouth, the cleaning rod extends to the gap through the sliding mouth, the stop piece includes the screw in the gap, the screw is dismantled with the cleaning rod, the screw and the gap side wall abut.

[0014] In conclusion, the utility model has the following beneficial effects:

[0015] Through the shelter of the cleaning rod and the baffle, the dust is not easy to enter the oil channel through the oil channel opening, and the protection of the lubricating grease is ensured.

[0016] The baffle can be disassembled by rotating, the cutting convex can cut the solidified lubricating grease in the oil channel, and the solidified lubricating grease is pushed out of the oil channel through the scraper disc, so that the cleaning treatment of the oil channel is facilitated. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 The utility model discloses a structure diagram Figure 1 ;

[0018] Figure 2 The utility model discloses a structure diagram Figure 2 ;

[0019] Figure 3 It is the structure diagram of the utility model cleaning rod and baffle.

[0020] In the drawing: 1, main body, 2, oil channel, 3, oil hole, 4, baffle, 5, installation groove, 6, cleaning rod, 7, spring, 8, gap, 9, sliding mouth, 10, screw, 11, scraper disc, 12, flow port, 13, cutting convex. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiment of the utility model will be clearly and completely described below in combination with the drawings in the embodiment of the utility model, and in the description of the utility model, it should be understood that the orientation or position relation indicated by the terms "up", "down", "front", "back", "left", "right", "top", "bottom", "inner", "outer" and the like is the orientation or position relation based on the drawing shown, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore, it can not be understood as the limitation of the utility model, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments.

[0022] For example, Figure 1 And Figure 2As shown, the application provides a combined high-strength pin shaft, which comprises a main body 1 made of 40Cr alloy structural steel, so that the strength of the pin shaft can be improved, the main body 1 is provided with an oil channel 2 penetrating through the main body 1, the oil channel 2 is arranged along the length direction of the main body 1, the oil channel 2 is formed with openings at both ends away from each other, and the main body 1 is provided with an oil hole 3 communicating with the oil channel 2, wherein the opening at one end of the oil channel 2 is detachably connected with a stop block 4 through threads, the stop block 4 blocks the opening of the oil channel 2, and the stop block 4 is provided with a mounting groove 5 on the side facing the oil channel 2, a cleaning rod 6 is slidably arranged in the mounting groove 5 through elastic members, the elastic members include springs 7, the two ends of the springs 7 are connected with the cleaning rod 6 and the bottom of the mounting groove 5, and in the initial state, the cleaning rod 6 abuts against the opening at the other end of the oil channel 2 under the elastic force of the springs 7, so as to block the other opening of the oil channel 2, and through the shielding of the cleaning rod 6 and the stop block 4, the dust is not easy to enter into the oil channel 2 through the opening of the oil channel 2, so as to ensure the protection of the lubricating grease.

[0023] When the lubricating grease is filled, the oil gun is abutted against the opening of the oil channel 2 blocked by the cleaning rod 6, the oil gun is operated, the lubricating grease is extruded into the opening of the oil channel 2, the lubricating grease pushes the cleaning rod 6 under the elastic force of the springs 7, the blocking of the cleaning rod 6 to the opening of the oil channel 2 is released, the lubricating grease enters into the oil channel 2 and is extruded out to the surface of the main body through the oil hole 3, so as to realize the lubrication of the pin shaft, and after the filling is completed, the cleaning rod 6 is automatically reset under the elastic force of the springs 7, so as to block the opening of the oil channel 2 again.

[0024] As shown in Figure 2 and Figure 3 , the side wall of the stop block 4 is provided with a notch 8, the notch 8 and the mounting groove 5 are communicated through a sliding opening 9, the cleaning rod 6 extends into the notch 8 through the sliding opening 9, and the stop block 4 is provided with a limiting member, the limiting member includes a screw 10 located in the notch 8, the screw 10 is detachably connected with the cleaning rod 6, and the screw 10 abuts against the side wall of the notch 8, so that the cleaning rod 6 and the stop block 4 can slide relative to each other and cannot be directly separated, so as to ensure the stability of the connection.

[0025] As shown in Figure 2 and Figure 3 , the cleaning rod 6 is formed with a scraper 11 abutting against the side wall of the oil channel 2, the scraper 11 is provided with a plurality of flow openings 12 staggered with the openings of the oil channel 2, when the lubricating grease is filled, the grease blocked by the scraper 11 flows through the flow openings 12, and the side of the scraper 11 facing the stop block 4 is formed with a plurality of cutting protrusions 13, one cutting protrusion 13 is arranged between two adjacent flow openings 12, and the cutting protrusions 13 are arranged in an inclined manner.

[0026] When the lubricating grease in the oil channel 2 solidifies, the block 4 can be disassembled by rotating the tool, and in the process of disassembling the block 4, the block 4 will move together with the cleaning rod 6 through the abutment of the screw 10 and the side wall of the notch 8, the cutting convex 13 will cut the solidified lubricating grease in the oil channel 2, and the solidified lubricating grease will be pushed out of the oil channel 2 through the scraper 11, so that the cleaning treatment of the oil channel 2 is facilitated.

[0027] The preferred embodiments of the present application are described above, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical solutions falling within the idea of the present application shall fall within the protection scope of the present application. It should be noted that, for ordinary skilled in the art, some improvements and decorations without departing from the principles of the present application shall be considered as falling within the protection scope of the present application.

Claims

1. A combined high-strength pin shaft, comprising a main body (1) provided with an oil channel (2) extending through the main body (1), and an oil hole (3) formed on the main body (1) and communicating with the oil channel (2), characterized in that: One end of the oil passage (2) is detachably connected with a stop block (4), the stop block (4) is slidably provided with a cleaning rod (6) through an elastic element towards one end of the oil passage (2), the cleaning rod (6) is used for abutting against the side wall of the oil passage (2) and plugging the other end opening of the oil passage (2), the stop block (4) is provided with a stopper limiting the sliding of the cleaning rod (6).

2. A modular high-strength pin shaft according to claim 1, characterized in that: The cleaning rod (6) is formed with a scraper (11) in contact with the side wall of the oil passage (2), the scraper (11) is provided with a plurality of flow ports (12) staggered with the openings of the oil passage (2).

3. A modular high-strength pin shaft according to claim 2, characterized in that: The scraper (11) is formed with a plurality of cutting protrusions (13) towards one side of the stop block (4), one cutting protrusion (13) is arranged between two adjacent flow ports (12).

4. A combination high strength pin shaft as claimed in claim 3, wherein: The stop block (4) is threadedly connected with the main body (1), and the cutting protrusion (13) is arranged in an inclined manner.

5. The combination high strength pin shaft of claim 1 wherein: The stop block (4) is provided with a mounting groove (5), the elastic element includes a spring (7) located in the mounting groove (5), and the two ends of the spring (7) are connected with the cleaning rod (6) and the bottom of the mounting groove (5).

6. A combination high strength pin shaft as claimed in claim 5, wherein: The side wall of the stop block (4) is provided with a notch (8), the notch (8) and the mounting groove (5) are communicated through a sliding opening (9), the cleaning rod (6) extends into the notch (8) through the sliding opening (9), and the stopper includes a screw (10) located in the notch (8), the screw (10) is detachably connected with the cleaning rod (6), and the screw (10) abuts against the side wall of the notch (8).

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