Transmission shaft convenient to lubricate

By installing an activated carbon adsorption plate at the oil injection hole of the transmission shaft, the tiny hard particles in the lubricating oil are directly adsorbed and filtered, and the problem of hard particles in the lubricating oil causes oil passage wear, achieving the guarantee of lubricating effect and the stable output of oil flow.

CN222848518UActive Publication Date: 2025-05-09宁波意尔达五金工贸有限公司
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Patent Information

Application Number
CN202421594698.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-08
Publication Date
2025-05-09
Estimated Expiration
2034-07-08

AI Technical Summary

Technical Problem

When lubricating oil is injected with existing drive shafts, the tiny hard particles contained in the lubricant may cause wear of the inner wall of the oil channel, reducing the lubricating effect.

Method used

A lubricating oil particle intercepting assembly including activated carbon adsorption plate is designed. By installing the activated carbon adsorption plate at the oil injection hole, tiny hard particles in the lubricating oil are directly adsorbed and filtered, thereby preventing the hard particles from entering the shaft joint and oil passage.

Benefits of technology

It effectively avoids hard particles entering the shaft connection and oil passage, prevents wear of the inner wall of the oil passage, ensures lubrication effect, and ensures the smooth and orderly oil flow through the split-flow oil discharge component, reducing the probability of lubricating oil leakage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a transmission shaft convenient to lubricate, which comprises a shaft rod assembly, a first shaft rod, a second shaft rod, a first shaft rod and a second shaft rod, the lubricating oil particle interception assembly comprises an oil injection hole, a mounting cylinder and an activated carbon adsorption plate; the top of the first shaft rod is movably connected with a second shaft rod, an oil injection hole is formed in the side portion of the first shaft rod, a mounting cylinder is movably connected into the oil injection hole, and an activated carbon adsorption plate is movably mounted at the top of the mounting cylinder. The activated carbon adsorption plate is directly installed at the oil injection hole, tiny hard particles in lubricating oil can be directly adsorbed and filtered at the source, and therefore the hard particles can be prevented from entering the joint of the shaft rod, the lubricating effect of the shaft rod is guaranteed, meanwhile, the hard particles can be prevented from entering an oil channel, and the service life of the shaft rod is prolonged. Therefore, the hard particles can be prevented from washing the oil duct to cause abrasion of the oil duct, the shape and the size of the oil duct cannot be changed, and the lubricating effect is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of transmission shafts, in particular to a transmission shaft which is easy to lubricate. Background Art

[0002] A drive shaft is a mechanical component that is mainly used to transmit power and torque. It usually connects two rotating parts, such as an engine and wheels, a motor and working equipment, etc.

[0003] In order to maintain the lubrication effect, the existing transmission shaft usually injects lubricating oil into the shaft connection, but the lubricating oil contains tiny hard particles. In the prior art, the hard particles are usually intercepted at the oil outlet. Although it can ensure that the hard particles will not enter the shaft connection, the hard particles will wash on the inner wall of the oil channel, which may cause wear of the inner wall of the oil channel, and then change the shape and size of the oil channel, reducing the lubrication effect. Therefore, it is necessary to provide a transmission shaft that can intercept the hard particles at the oil channel interface to avoid wear of the inner wall of the oil channel. Utility Model Content

[0004] The utility model aims to provide a transmission shaft that is easy to lubricate, so as to solve the problem raised in the above-mentioned background technology that, in order to maintain the lubrication effect, the existing transmission shaft usually injects lubricating oil into the shaft connection, but the lubricating oil contains tiny hard particles. In the prior art, the hard particles are usually intercepted at the oil outlet. Although it can ensure that the hard particles will not enter the shaft connection, the hard particles will be washed on the inner wall of the oil channel, which may cause wear of the inner wall of the oil channel, and then change the shape and size of the oil channel, reducing the problem of lubrication effect.

[0005] In order to solve the above technical problems, the utility model is realized by the following technical solutions:

[0006] The utility model is a transmission shaft which is easy to lubricate, comprising:

[0007] A shaft assembly, the shaft assembly comprising a first shaft and a second shaft;

[0008] A lubricating oil particle interception assembly, the lubricating oil particle interception assembly comprising an oil filling hole, a mounting cylinder and an activated carbon adsorption plate;

[0009] The top of the first shaft is movably connected to the second shaft, the side of the first shaft is provided with an oil filling hole, the oil filling hole is movably connected to a mounting tube, and an activated carbon adsorption plate is movably installed on the top of the mounting tube.

[0010] Furthermore, the lubricating oil particle interception assembly also includes a vertical rod, a clamping block and a clamping slot;

[0011] The tops of both sides of the installation tube are fixedly connected to one end of the vertical rod, and the other end of the vertical rod is fixedly connected to a clamping block. Clamping grooves are arranged on both sides of the top of the oil filling hole, and the clamping block is movably connected to the clamping groove.

[0012] Furthermore, the lubricating oil particle interception assembly further includes a first mounting hole, a second mounting hole and a fixing screw;

[0013] A first mounting hole is provided in the middle of the clamping block, a second mounting hole is provided in the middle of the clamping slot, and a fixing screw is movably inserted between the first mounting hole and the second mounting hole.

[0014] Furthermore, the lubricating oil particle interception assembly further includes a placement groove;

[0015] The middle part of the placement groove is where the bolt head of the top of the fixing screw is placed.

[0016] Further, the lubricating oil particle interception assembly also includes a rubber plug;

[0017] The top of the oil filling hole is movably connected to a rubber plug.

[0018] Furthermore, it also includes a split-flow oil outlet assembly;

[0019] The split-flow oil outlet assembly also includes an annular oil delivery groove, an oil inlet pipe and an oil outlet pipe;

[0020] An annular oil delivery groove is provided inside the upper end of the first shaft rod, an oil inlet pipe is fixedly inserted through the top of one side of the annular oil delivery groove, four oil outlet pipes are fixedly inserted through the inner wall of the annular oil delivery groove, and the oil inlet pipe is fixedly inserted through the oil filling hole.

[0021] Compared with the prior art, the advantages of the present invention are:

[0022] The utility model directly installs an activated carbon adsorption plate at the oil filling hole, which can realize direct adsorption and filtration of tiny hard particles in the lubricating oil at the source, thereby preventing the hard particles from entering the shaft connection, ensuring the lubrication effect of the shaft, and at the same time preventing the hard particles from entering the oil channel, thereby preventing the hard particles from scouring the oil channel and causing wear of the oil channel, thereby not changing the shape and size of the oil channel, and ensuring the lubrication effect.

[0023] Based on the above beneficial effects, the oil channel as a whole adopts an oil inlet pipe to divert the lubricating oil to four oil outlet pipes. This oil delivery method can prevent oil flow turbulence, thereby ensuring the smooth and orderly oil flow, and there is only one oil filling hole, which can reduce the probability of lubricating oil leakage. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0025] Figure 1 It is an overall schematic diagram of the utility model;

[0026] Figure 2 This is a schematic diagram of the oil outlet pipe distribution of the utility model;

[0027] Figure 3 This is a schematic diagram of a first shaft rod of the utility model;

[0028] Figure 4 For the utility model Figure 2 Enlarged view of point A in the middle;

[0029] Figure 5 For the utility model Figure 3 Enlarged view of point B in the middle;

[0030] Figure 6 It is a schematic diagram of the connection of the oil inlet pipe and the oil outlet pipe of the utility model.

[0031] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0032] 101, first shaft; 102, second shaft;

[0033] 201, oil filling hole; 202, mounting tube; 203, activated carbon adsorption plate; 204, vertical rod; 205, clamping block; 206, clamping slot; 207, first mounting hole; 208, second mounting hole; 209, fixing screw; 2010, placement slot; 2011, rubber plug;

[0034] 301. Annular oil delivery trough; 302. Oil inlet pipe; 303. Oil outlet pipe. DETAILED DESCRIPTION

[0035] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, the specific implementation methods of the present invention are described in detail below with reference to the accompanying drawings.

[0036] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific implementation methods disclosed below.

[0037] In order to make the purpose, technical solution and advantages of the present invention more clear, the implementation mode of the present invention will be further described in detail below with reference to the accompanying drawings.

[0038] See also Figure 1-6 As shown, this embodiment is a transmission shaft that is easy to lubricate, including:

[0039] A shaft assembly, the shaft assembly includes a first shaft 101 and a second shaft 102;

[0040] A lubricating oil particle interception assembly, the lubricating oil particle interception assembly comprises an oil injection hole 201, a mounting cylinder 202 and an activated carbon adsorption plate 203;

[0041] The top of the first shaft 101 is movably connected to the second shaft 102, an oil filling hole 201 is provided on the side of the first shaft 101, a mounting cylinder 202 is movably connected in the oil filling hole 201, and an activated carbon adsorption plate 203 is movably installed on the top of the mounting cylinder 202;

[0042] The setting of the oil filling hole 201 provides a guarantee for the injection of lubricating oil, and the setting of the installation cylinder 202 provides a guarantee for the installation of the activated carbon adsorption plate 203, which can achieve adsorption and filtration of tiny hard particles at the source;

[0043] The lubricating oil particle interception assembly further includes a vertical rod 204, a clamping block 205 and a clamping slot 206;

[0044] The top of both sides of the installation cylinder 202 is fixedly connected to one end of the vertical rod 204, and the other end of the vertical rod 204 is fixedly connected to the clamping block 205. The top of the oil filling hole 201 is provided with a clamping groove 206 on both sides, and the clamping block 205 is movably connected to the clamping groove 206;

[0045] The vertical rod 204 has a certain height, so as to ensure that the installation cylinder 202 and the activated carbon adsorption plate 203 are at a certain distance from the top of the oil filling hole 201. With the cooperation of the clamping block 205 and the clamping groove 206, the initial installation of the installation cylinder 202 is guaranteed.

[0046] The lubricating oil particle interception assembly further includes a first mounting hole 207, a second mounting hole 208 and a fixing screw 209;

[0047] A first mounting hole 207 is formed in the middle of the clamping block 205, a second mounting hole 208 is formed in the middle of the clamping slot 206, and a fixing screw 209 is movably inserted between the first mounting hole 207 and the second mounting hole 208;

[0048] The above components are used in coordination to achieve a stable connection of the mounting tube 202;

[0049] The lubricating oil particle interception assembly also includes a placement groove 2010;

[0050] The top bolt head of the fixing screw 209 is placed in the middle of the placement slot 2010;

[0051] The arrangement of the placement groove 2010 can place the top bolt head of the fixing screw 209, preventing the top bolt head of the fixing screw 209 from protruding from the block 205, thereby avoiding interference with the subsequent installation of the rubber plug 2011;

[0052] The lubricating oil particle interception assembly also includes a rubber plug 2011;

[0053] The top of the oil filling hole 201 is movably connected to a rubber plug 211;

[0054] The rubber plug 2011 is used to seal the oil filling hole 201 to prevent the leakage of lubricating oil;

[0055] Also included is a split-flow oil outlet assembly;

[0056] The split-flow oil outlet assembly also includes an annular oil delivery groove 301, an oil inlet pipe 302 and an oil outlet pipe 303;

[0057] An annular oil delivery groove 301 is provided inside the upper end of the first shaft rod 101, an oil inlet pipe 302 is fixedly inserted through the top of one side of the annular oil delivery groove 301, four oil outlet pipes 303 are fixedly inserted through the inner wall of the annular oil delivery groove 301, and the oil inlet pipe 302 is fixedly inserted through the oil filling hole 201;

[0058] The oil inlet pipe 302 provides a guarantee for the injection of lubricating oil, the annular oil delivery groove 301 is used to transmit the lubricating oil, and the four oil outlet pipes 303 are used to output the lubricating oil in an orderly and stable manner;

[0059] Working principle: fix and adhere the activated carbon adsorption plate 203 to the middle of the installation tube 202, then put the block 205 into the slot 206, screw the fixing screw 209 into the first installation hole 207 and the second installation hole 208, then insert the interface of the lubricating oil storage device into the oil filling hole 201, at this time, the lubricating oil first passes through the activated carbon adsorption plate 203, the activated carbon adsorption plate 203 absorbs and filters the tiny hard particles in the lubricating oil, the filtered lubricating oil enters the annular oil delivery groove 301 through the oil inlet pipe 302, and then the lubricating oil is discharged to the connection between the first shaft rod 101 and the second shaft rod 102 through the oil outlet pipe 303, and then the rubber plug 2011 is inserted into the oil filling hole 201;

[0060] This step ensures the lubrication effect of the shaft rod, and at the same time can prevent hard particles from entering the oil channel, thereby preventing hard particles from scouring the oil channel and causing wear of the oil channel, thereby not changing the shape and size of the oil channel, ensuring the lubrication effect, and the adopted oil delivery method can prevent oil flow turbulence, thereby ensuring the smooth and orderly oil flow, and there is only one oil filling hole, which can reduce the probability of lubricating oil leakage.

[0061] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0062] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A transmission shaft that is easy to lubricate, characterized in that: include: A shaft assembly, the shaft assembly comprising a first shaft (101) and a second shaft (102); A lubricating oil particle interception component, the lubricating oil particle interception component comprising an oil injection hole (201), a mounting cylinder (202), and an activated carbon adsorption plate (203); The top of the first shaft (101) is movably connected to the second shaft (102); an oil filling hole (201) is provided on the side of the first shaft (101); a mounting cylinder (202) is movably connected in the oil filling hole (201); and an activated carbon adsorption plate (203) is movably mounted on the top of the mounting cylinder (202).

2. A transmission shaft that is easy to lubricate according to claim 1, characterized in that: The lubricating oil particle interception assembly further comprises a vertical rod (204), a clamping block (205) and a clamping slot (206); The tops of both sides of the installation cylinder (202) are fixedly connected to one end of a vertical rod (204), and the other end of the vertical rod (204) is fixedly connected to a clamping block (205). Clamping grooves (206) are provided on both sides of the top of the oil filling hole (201), and the clamping block (205) is movably connected to the clamping grooves (206).

3. A transmission shaft that is easy to lubricate according to claim 2, characterized in that: The lubricating oil particle interception assembly further comprises a first mounting hole (207), a second mounting hole (208) and a fixing screw (209); A first mounting hole (207) is provided in the middle of the clamping block (205), a second mounting hole (208) is provided in the middle of the clamping slot (206), and a fixing screw (209) is movably inserted between the first mounting hole (207) and the second mounting hole (208).

4. A transmission shaft that is easy to lubricate according to claim 3, characterized in that: The lubricating oil particle interception assembly further comprises a placement groove (2010); The top bolt head of the fixing screw (209) is placed in the middle of the placement groove (2010).

5. The transmission shaft that is easy to lubricate according to claim 1, characterized in that: The lubricating oil particle interception assembly also includes a rubber plug (2011); The top of the oil filling hole (201) is movably connected to a rubber plug (211).

6. The transmission shaft that is easy to lubricate according to claim 1, characterized in that: Also included is a split-flow oil outlet assembly; The split-flow oil outlet assembly further comprises an annular oil delivery groove (301), an oil inlet pipe (302) and an oil outlet pipe (303); An annular oil delivery groove (301) is provided inside the upper end of the first shaft rod (101), an oil inlet pipe (302) is fixedly inserted through the top of one side of the annular oil delivery groove (301), four oil outlet pipes (303) are fixedly inserted through the inner wall of the annular oil delivery groove (301), and the oil inlet pipe (302) is fixedly inserted through the oil filling hole (201).