Hollow spline shaft and spline shaft fork blanking cap
By designing lubrication mechanisms such as oil storage boxes in the spline shaft and the plug cover, the problem of spline shaft efficiency reduction caused by long-term friction is solved, and continuous lubrication and efficiency improvement is achieved.
Patent Information
- Application Number
- CN202422183603.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2025-06-06
- Estimated Expiration
- 2034-09-06
AI Technical Summary
After the existing spline shaft is installed with the plug cover, the friction between the spline shaft is reduced due to long-term friction, resulting in a problem of reduced working efficiency.
A hollow spline shaft and spline shaft fork-blocking cover are designed, and a lubricating mechanism of oil storage box, limit block, oil storage tank, through groove, oil absorption cotton and oil injection port is used to provide continuous lubrication through the combination of oil injection and oil absorption cotton to maintain the friction performance of the spline shaft.
Through continuous lubrication, the spline shaft is used in the equipment for a longer time, the working efficiency is improved, and the efficiency problems caused by reduced friction are avoided.
Smart Images

Figure CN222950387U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field related to spline shafts, in particular to a hollow spline shaft and a spline shaft fork plugging cover. Background Art
[0002] The spline shaft is a kind of mechanical transmission. It has the same function as the flat key, semicircular key and wedge key, which are all used to transmit mechanical torque. There are longitudinal keyways on the surface of the shaft, and the rotating parts sleeved on the shaft also have corresponding keyways, which can keep rotating synchronously with the shaft. While rotating, some can also slide longitudinally on the shaft, such as the gearbox shift gear. During the installation and use of the spline shaft, plug covers are required to cooperate with each other. Therefore, a hollow spline shaft and spline shaft fork plug cover are particularly needed.
[0003] However, after the existing spline shaft is installed with the plug cover, when it is put into use in the equipment, the friction between the spline shafts will be reduced due to long-term friction, which will cause the problem of reduced work efficiency. Utility Model Content
[0004] The purpose of the utility model is to provide a hollow spline shaft and a spline shaft fork plugging cover, so as to solve the problem proposed in the above background technology that after the existing spline shaft is installed with the plugging cover, when it is put into use in the equipment, the friction between the spline shafts will be reduced due to long-term friction, thus resulting in reduced work efficiency.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a hollow spline shaft and a spline shaft fork plugging cover, comprising a spline shaft body, a base is fixedly connected to the lower surface of the spline shaft body, a plugging cover is installed on the outer surface of the spline shaft body, a through hole is opened on one side surface of the plugging cover, and a lubrication mechanism is provided on one side surface of the plugging cover.
[0006] Preferably, the outer surface size of the spline shaft body matches the inner surface size of the plug cover, and the through holes are opened at equal intervals on one side surface of the plug cover.
[0007] Preferably, the outer surface size of the oil storage box matches the inner surface size of the plug cover, and the limit blocks are provided at equal intervals on the inner surface of the oil storage box.
[0008] Preferably, the through grooves are opened at equal intervals on the inner surface of the oil storage box, and the outer surface size of the oil-absorbing cotton matches the inner surface size of the through grooves.
[0009] Preferably, the oil filling port is connected to the oil storage tank via an oil storage box, and the oil absorbing cotton is connected to the oil storage tank via a through groove.
[0010] Preferably, the oil storage box is installed symmetrically with respect to the width center axis of the plug cover, and the oil filling port is opened on the upper surface of the oil storage box.
[0011] Preferably, the lubrication mechanism includes an oil storage box, a limit block, an oil storage groove, a through groove, oil absorbing cotton and an oil filling port. The oil storage box is fixedly installed on one side surface of the blocking cover, the inner surface of the oil storage box is fixedly connected to the limit block, the inner surface of the limit block is provided with an oil storage groove, the one side surface of the limit block is provided with a through groove, the inner surface of the through groove is installed with oil absorbing cotton, and the upper surface of the oil storage box is provided with an oil filling port.
[0012] Compared with the prior art, the beneficial effect of the utility model is that the hollow spline shaft and spline shaft fork plugging cover, through the arrangement of the oil storage box, the limit block, the oil storage tank, the through groove, the oil absorbing cotton and the oil filling port, when being installed, the oil storage tank inside the oil storage box is filled with oil through the oil filling port, and then the lubricating oil inside the oil storage tank is absorbed by the oil absorbing cotton through the through groove, so that during the sliding process of the plugging cover, the oil absorbing cotton lubricates the spline shaft body, thereby increasing the service life of the spline shaft body on the equipment and improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 This is a schematic diagram of the overall appearance structure of the utility model;
[0014] Figure 2 This is a schematic diagram of the structure of the through groove and the oil-absorbing cotton used in conjunction with each other in the utility model;
[0015] Figure 3 This is a schematic diagram of the structure of the spline shaft body and the base of the utility model in cooperation with each other;
[0016] Figure 4 For this utility model Figure 2 A is an enlarged structural diagram of FIG.
[0017] In the figure: 1. spline shaft body; 2. base; 3. plugging cover; 4. through hole; 5. lubrication mechanism; 501. oil storage box; 502. limit block; 503. oil storage tank; 504. through slot; 505. oil absorbing cotton; 506. oil filling port. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0019] See also Figure 1-4 The utility model provides a technical solution: a hollow spline shaft and a spline shaft fork plugging cover, comprising a spline shaft body 1, a base 2 is fixedly connected to the lower surface of the spline shaft body 1, a plugging cover 3 is installed on the outer surface of the spline shaft body 1, a through hole 4 is opened on one side surface of the plugging cover 3, and a lubrication mechanism 5 is arranged on one side surface of the plugging cover 3.
[0020] Furthermore, the lubrication mechanism 5 includes an oil storage box 501, a limit block 502, an oil storage groove 503, a through groove 504, an oil absorbing cotton 505 and an oil filling port 506. The oil storage box 501 is fixedly installed on one side surface of the plug cover 3, the inner side surface of the oil storage box 501 is fixedly connected to the limit block 502, the inner side surface of the limit block 502 is provided with an oil storage groove 503, the one side surface of the limit block 502 is provided with a through groove 504, the inner side surface of the through groove 504 is provided with an oil absorbing cotton 505, and the oil storage box 501 is fixedly installed on the inner side surface of the plug cover 3. An oil filling port 506 is provided on the upper surface. Through the arrangement of the oil storage box 501, the limit block 502, the oil storage tank 503, the through groove 504, the oil absorbing cotton 505 and the oil filling port 506, when installing it, the oil storage tank 503 inside the oil storage box 501 is filled with oil through the oil filling port 506, and then the lubricating oil inside the oil storage tank 503 is absorbed by the oil absorbing cotton 505 through the through groove 504, so that during the sliding process of the plugging cover 3, the oil absorbing cotton 505 lubricates the spline shaft body 1.
[0021] Furthermore, the outer surface size of the spline shaft body 1 matches the inner surface size of the plug cover 3, and through holes 4 are opened at equal intervals on one side surface of the plug cover 3. Through the setting of the through holes 4, it can be installed and connected to different devices.
[0022] Furthermore, the outer surface size of the oil storage box 501 matches the inner surface size of the plugging cover 3, and the limit blocks 502 are arranged at equal intervals on the inner surface of the oil storage box 501. Through the setting of the oil storage box 501, it is ensured that it is closely matched with the plugging cover 3 during the installation process, which can prevent displacement caused by vibration or impact during use.
[0023] Furthermore, the through grooves 504 are opened at equal intervals on the inner surface of the oil storage box 501, and the outer surface size of the oil-absorbing cotton 505 matches the inner surface size of the through grooves 504. Through the setting of the through grooves 504, it is ensured that the oil can be absorbed evenly, avoiding oil leakage caused by uneven oil absorption.
[0024] Furthermore, the oil filling port 506 is connected to the oil storage tank 503 through the oil storage box 501, and the oil-absorbing cotton 505 is connected to the oil storage tank 503 through the through groove 504. Through the setting of the oil-absorbing cotton 505, it can slowly absorb the lubricating oil to lubricate it during the sliding process.
[0025] Furthermore, the oil storage box 501 is installed symmetrically with respect to the width center axis of the plug cover 3, and the oil filling port 506 is provided on the upper surface of the oil storage box 501. Through the setting of the oil filling port 506, the lubricating oil can be injected into the oil storage tank 503 so that the lubricating oil can be used.
[0026] Working principle: First, when installing it, the oil storage tank 503 inside the oil storage box 501 is filled with oil through the oil filling port 506, and then the lubricating oil inside the oil storage tank 503 is absorbed by the oil-absorbing cotton 505 through the through groove 504, so that during the sliding process of the plug cover 3, the oil-absorbing cotton 505 lubricates the spline shaft body 1.
[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A hollow spline shaft and a spline shaft fork plug cover, comprising a spline shaft body (1), characterized in that: The lower surface of the spline shaft body (1) is fixedly connected to a base (2), the outer surface of the spline shaft body (1) is installed with a plug cover (3), one side surface of the plug cover (3) is provided with a through hole (4), and one side surface of the plug cover (3) is provided with a lubrication mechanism (5).
2. A hollow spline shaft and a spline shaft fork plug cover according to claim 1, characterized in that: The lubricating mechanism (5) comprises an oil storage box (501), a limit block (502), an oil storage groove (503), a through groove (504), oil absorbing cotton (505) and an oil filling port (506); the oil storage box (501) is fixedly mounted on one side surface of the blocking cover (3); the inner side surface of the oil storage box (501) is fixedly connected to the limit block (502); the inner side surface of the limit block (502) is provided with an oil storage groove (503); the one side surface of the limit block (502) is provided with a through groove (504); the inner side surface of the through groove (504) is provided with oil absorbing cotton (505); and the upper surface of the oil storage box (501) is provided with an oil filling port (506).
3. A hollow spline shaft and a spline shaft fork plug cover according to claim 1, characterized in that: The outer surface size of the spline shaft body (1) matches the inner surface size of the plug cover (3), and the through holes (4) are arranged at equal intervals on one side surface of the plug cover (3).
4. A hollow spline shaft and a spline shaft fork plug cover according to claim 2, characterized in that: The size of the outer surface of the oil storage box (501) matches the size of the inner surface of the blocking cover (3), and the limit blocks (502) are arranged at equal intervals on the inner surface of the oil storage box (501).
5. A hollow spline shaft and a spline shaft fork plug cover according to claim 2, characterized in that: The through grooves (504) are arranged at equal intervals on the inner surface of the oil storage box (501), and the outer surface size of the oil-absorbing cotton (505) matches the inner surface size of the through grooves (504).
6. A hollow spline shaft and a spline shaft fork plug cover according to claim 2, characterized in that: The oil filling port (506) is connected to the oil storage tank (503) via the oil storage box (501), and the oil absorbing cotton (505) is connected to the oil storage tank (503) via the through groove (504).
7. A hollow spline shaft and a spline shaft fork plug cover according to claim 2, characterized in that: The oil storage box (501) is installed symmetrically with respect to the width center axis of the plug cover (3), and the oil filling port (506) is opened on the upper surface of the oil storage box (501).