Gear reducer structure capable of reducing abrasion of rotating shaft
By installing a circulating filter and sealing ring in the gear reducer, the problem of shaft wear caused by impurities in the lubricating oil is solved. This achieves the circulation and filtration of the lubricating oil and the blocking of external impurities, extending the service life of the shaft and improving the reliability of the reducer.
Patent Information
- Application Number
- CN202520610404.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-02
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-04-02
AI Technical Summary
In existing gear reducers, impurities entering the lubricating oil cause shaft wear. Conventional filters cannot completely prevent impurities from entering, so the shaft wear problem cannot be fundamentally solved, affecting the reliability and stability of the reducer.
A circulating filter is installed on the outside of the reducer assembly. The lubricating oil is circulated and filtered through the circulating hose and the filter. Combined with a sealing ring, it prevents external impurities from entering, forming a protective barrier and reducing the wear of impurities on the shaft.
It effectively removes metal shavings and dust from the lubricating oil, reduces shaft wear, extends the service life of the shaft and other components, and improves the reliability and stability of the reducer.
Smart Images

Figure CN223676984U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of speed reducer equipment, in particular, relate to a gear speed reducer structure of reducing the abrasion of rotating shaft. BACKGROUND
[0002] Gear speed reducer is a kind of mechanical transmission device for reducing speed and increasing torque, in gear speed reducer, impurities can enter the interior of speed reducer when using, after impurities enter lubricating oil, it can circulate to the contact position of rotating shaft and bearing, gear and other components with oil, resulting in abrasive wear, reduce the surface precision and service life of rotating shaft. These impurities are widely sourced, it may be that the dust and debris from outside invade due to poor sealing, or metal particles generated by internal component wear are not removed in time. To deal with this problem, the conventional method is to install a filter at the lubricating oil inlet. But the filter can only filter the lubricating oil initially, after a period of use, the lubricating oil will still enter impurities, resulting in wear, in addition, users can reduce the impurity content by regularly replacing lubricating oil, but frequent oil change not only wastes resources, but also cannot prevent the continuous entry of new impurities, and the rotating shaft wear problem caused by impurities can not be fundamentally solved, so the reliability and stability of speed reducer are greatly reduced, therefore a new structure is needed to solve the above technical problems. SUMMARY
[0003] In view of the deficiencies in the prior art, the utility model aims at providing a gear speed reducer structure for reducing the abrasion of rotating shaft to solve the problems in the background art.
[0004] The utility model discloses a gear speed reducer structure for reducing the abrasion of rotating shaft, comprising: a speed reducer assembly and a circulating member, the outer surface of the speed reducer assembly is provided with a circulating member for circulating and filtering lubricating oil, the inside of the speed reducer assembly is provided with a gear assembly, the rotating parts of output shaft one and output shaft two of the speed reducer assembly are provided with sealing members, the speed reducer assembly comprises a housing one and a housing two for bearing the gear assembly, and a circulating member composed of circulating hose one, circulating hose two and a filtering member is arranged between the housing one and the housing two.
[0005] As a preferred embodiment, the inside of the housing one and the housing two is provided with a containing cavity, the upper surface of the housing one is provided with one positioning column at each of the four corners, the upper surface of the housing one is fixed with the housing two through the positioning columns and bolts, and a sealing ring is arranged at the connection between the housing one and the housing two.
[0006] As a preferred implementation, the upper surface of the shell is provided with a cover plate, the surface of the cover plate is provided with an oil inlet, the right surface of the shell is provided with an oil outlet through a protrusion, the gear assembly comprises a gear one, a gear two, an output shaft one and an output shaft two, and the shell one and the shell two constitute a shell member.
[0007] As a preferred implementation, the gear one is installed inside the shell member, the gear one is connected with the output shaft one, the output shaft one penetrates through the rear surface of the shell member, the gear one is engaged with the gear two, the gear two is connected with the output shaft two, and the output shaft two penetrates through the front surface of the shell member.
[0008] As a preferred implementation, the diameter of the output shaft one is greater than that of the output shaft two, the diameter of the gear one is greater than that of the gear two, the thickness of the gear one is less than that of the gear two, and the oil inlet is provided with a circulating hose one.
[0009] As a preferred implementation, the oil outlet is provided with a circulating hose two, the circulating hose one and the circulating hose two have the same structure, a filter member is installed between the circulating hose one and the circulating hose two, a pump is installed at the bottom of the inside of the shell one, the suction port of the pump is connected with the outlet of the oil outlet, the circulating member can circulate and filter the lubricating oil, remove metal debris, dust and other impurities in the oil, effectively reduce the scratches and wear of the shaft surface caused by impurities, prolong the service life of the shaft, and thus reduce the wear of the shaft.
[0010] As a preferred implementation, the sealing member comprises a sealing ring one and a sealing ring two, the front surface of the sealing ring one is integrally formed with the sealing ring two, and a circular through hole is formed at the center of the front surface of the sealing member. In use, the sealing ring can prevent dust, moisture, impurities and the like from entering the inside of the speed reducer, and provides a protective barrier for the internal components of the speed reducer, which helps to keep the inside clean and prolong the service life of the shaft and other parts when used with the circulating member.
[0011] As a preferred implementation, the outer surfaces of the output shaft one and the output shaft two are provided with a sealing member through a circular through hole, the front surface of the sealing ring one is glued with a rubber pad, and the front surface of the sealing ring two is connected with the side surface of the sealing ring one with the rubber pad and the output shaft one and the output shaft two penetrating the shell member.
[0012] The beneficial effects of the gear reducer structure for reducing the abrasion of the rotating shaft are as follows: 1. The circulating part is arranged on the outer surface of the speed reducer assembly for circulating and filtering the lubricating oil, so that the metal scraps, dust and other impurities in the oil are removed, the abrasion of the rotating shaft surface caused by the impurities is effectively reduced, the service life of the rotating shaft is prolonged, and the abrasion of the rotating shaft is reduced.
[0013] 2. The sealing ring is arranged on the rotating parts of the output shaft I and the output shaft II of the speed reducer assembly, so that most of the dust and impurities in the outside are prevented from entering the inside of the speed reducer, the impurities are prevented from mixing into the lubricating oil, the abrasion of the rotating shaft and other components is prevented, and the service life of the rotating shaft and other components is prolonged. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.
[0015] Figure 1 It is a whole structure schematic view of the gear reducer structure for reducing the abrasion of the rotating shaft.
[0016] Figure 2 It is a schematic view of the shell part of the gear reducer structure for reducing the abrasion of the rotating shaft.
[0017] Figure 3 It is a schematic view of the circulating part of the gear reducer structure for reducing the abrasion of the rotating shaft.
[0018] Figure 4 It is a schematic view of the sealing ring of the gear reducer structure for reducing the abrasion of the rotating shaft.
[0019] Figure 5 It is a schematic view of the gear assembly of the gear reducer structure for reducing the abrasion of the rotating shaft.
[0020] In the figure, 100 - housing one, 110 - housing two, 120 - cover plate, 121 - oil inlet, 130 - protrusion, 131 - oil outlet;
[0021] 200 - output shaft one, 210 - output shaft two, 220 - gear one, 230 - gear two, 240 - positioning column;
[0022] 300 - sealing ring one, 310 - rubber pad, 320 - sealing ring two, 321 - circular through hole;
[0023] 400 - circulating hose one, 410 - filter, 420 - circulating hose two. DETAILED DESCRIPTION
[0024] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0025] Please refer to Figures 1 to 5 The utility model provides a kind of technical solutions: a gear reducer structure reducing the wear of rotating shaft, comprising: reducer assembly, circulating piece, the outer surface of reducer assembly is equipped with circulating piece for the circulation filtering of lubricating oil, the inside of reducer assembly is equipped with gear assembly, the rotation of output shaft one 200 and output shaft two 210 of reducer assembly is equipped with sealing element, reducer assembly includes the housing one 100 for bearing gear assembly and housing two 110, housing one 100 and housing two 110 between are equipped with the circulating piece by circulating hose one 400, circulating hose two 420 and filter 410.
[0026] Please refer to Figures 1 to 3 As the first embodiment of the utility model: the inside of housing one 100 and housing two 110 is provided with accommodating cavity, the upper side surface of housing one 100 four corner places is equipped with one positioning column 240 respectively, the upper side surface of housing one 100 is fixed with housing two 110 by positioning column 240 and bolt, the junction of housing one 100 and housing two 110 is provided with sealing ring;
[0027] The upper side surface of housing one 100 is equipped with cover plate 120, the surface of cover plate 120 is threadedly connected with oil inlet 121, the right side surface of housing one 100 is threadedly connected with oil outlet 131 by protrusion 130, gear assembly includes gear one 220, gear two 230, output shaft one 200 and output shaft two 210, housing one 100, housing two 110 constitute housing piece;
[0028] The gear one 220 is installed inside the shell piece, the gear one 220 is connected with the output shaft one 200, the output shaft one 200 penetrates the rear surface of the shell piece, the gear one 220 is engaged with the gear two 230, the gear two 230 is connected with the output shaft two 210, the output shaft two 210 penetrates the front surface of the shell piece;
[0029] The diameter of the output shaft one 200 is greater than the diameter of the output shaft two 210, the diameter of the gear one 220 is greater than the diameter of the gear two 230, the thickness of the gear one 220 is less than the thickness of the gear two 230, the oil inlet 121 is provided with the circulating hose one 400;
[0030] In use, the user can connect the output shaft two 210 with the driving motor when the user uses, make the output shaft two 210 with the gear one 220 connected with the equipment used (the specific use structure and working principle of the speed reducer assembly are prior art, and details are not repeated here), when the speed reducer assembly is used for a period of time, at this time, due to long time use, the speed reducer assembly will enter some dust and impurities due to various reasons, so that the dust and impurities are in the shell piece (the shell piece is provided with lubricating oil, so that the lubricating oil fully wraps the gear assembly, which is a prior art structure and details are not repeated here), at this time, the user can start the pump in the shell piece (the pump is a gear pump, in actual use, an electric motor can be installed on the outer surface of the shell piece to provide energy for the gear pump, and attention should be paid to the sealing structure when installing the electric motor to prevent affecting the operation of the embodiment), so that the pump pumps out the lubricating oil in the shell piece to the inside of the circulating hose two 420, and then enters the filter 410, and then enters the circulating hose one 400 through the filter 410, so that the lubricating oil in the circulating hose one 400 reenters the shell piece through the oil inlet 121, thereby completing the circulation of the lubricating oil, filtering the impurities in the lubricating oil (the filter 410 is prior art, and its structure only needs to meet the filtering of the lubricating oil), since the circulating part can circulate and filter the lubricating oil, remove metal chips, dust and other impurities in the oil, if these impurities remain in the lubricating oil, they will flow to the contact part of the shaft and the bearing and the gear with the oil, and the abrasion will be aggravated, through circulation and filtration, the abrasion of the shaft surface caused by impurities can be effectively reduced, and the service life of the shaft is prolonged, thereby reducing the abrasion of the shaft.
[0031] Please refer to Figures 1 to 3 , as a second embodiment of the utility model: the oil outlet 131 is provided with the circulating hose two 420, the circulating hose one 400 and the circulating hose two 420 are the same structure, the filter 410 is installed between the circulating hose one 400 and the circulating hose two 420, the pump is installed at the bottom of the shell one 100, and the outlet of the oil outlet 131 is connected with the outlet of the pump;
[0032] The sealing member comprises a sealing ring one 300 and a sealing ring two 320, the front side surface of the sealing ring one 300 is integrally formed with the sealing ring two 320, and a circular through hole 321 is arranged at the center position of the front side surface of the sealing member;
[0033] The outer side surfaces of the output shaft one 200 and the output shaft two 210 are provided with the sealing member through the circular through hole 321, the front side surface of the sealing ring one 300 is glued with a rubber pad 310, and the front side surface of the sealing ring two 320 is connected with the side surface of the sealing ring one 300 with the rubber pad 310 and the penetrating position of the output shaft one 200 and the output shaft two 210 and the housing member;
[0034] In use, when the output shaft one 200 and the output shaft two 210 are used, the user can install the sealing member on the outer side surfaces of the output shaft one 200 and the output shaft two 210, so that the sealing member rotates with the output shaft one 200 and the output shaft two 210, and when the sealing member is installed, the sealing member is abutted with the penetrating connection position of the output shaft one 200 and the output shaft two 210, so that the inner side surface of the sealing member is abutted with the connection position to form a shielding sealing structure (not completely sealed, the sealing member indicates that the penetrating connection position of the output shaft one 200 and the output shaft two 210 is sealed and shielded, and the opportunity of dust entering is reduced), since the sealing ring can prevent most of the dust and impurities in the outside from entering the inside of the speed reducer, once the impurities enter, they will be mixed in the lubricating oil and flow to the contact surfaces of the rotating shaft, bearings and gears, causing abrasive wear and accelerating the wear of the rotating shaft and other components, the sealing ring provides a protective barrier for the internal components of the speed reducer and helps to keep the inside clean, and the use of the circulating member can prolong the service life of the rotating shaft and other components.
[0035] The above only describes the preferred embodiments of the utility model and does not limit the utility model, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A gear reducer structure for reducing wear of a rotating shaft, comprising: The application discloses a reducer assembly and a circulating device, characterized in that an outer surface of the reducer assembly is provided with a circulating device for circulating and filtering lubricating oil, an internal part of the reducer assembly is provided with a gear assembly, rotating parts of output shafts one (200) and two (210) are provided with sealing devices, the reducer assembly comprises a housing one (100) and a housing two (110) for bearing the gear assembly, and a circulating device composed of a circulating hose one (400), a circulating hose two (420) and a filtering device (410) is arranged between the housing one (100) and the housing two (110).
2. A gear reducer structure for reducing wear of a rotating shaft according to claim 1, characterized in that: The internal part of the housing one (100) and the housing two (110) is provided with a containing cavity, four corners of an upper surface of the housing one (100) are respectively provided with one positioning column (240), and the upper surface of the housing one (100) is fixed with the housing two (110) through the positioning columns (240) and bolts, and the connecting part of the housing one (100) and the housing two (110) is provided with a sealing ring.
3. A gear reducer structure for reducing wear of a rotating shaft according to claim 2, wherein: An upper surface of the housing one (100) is provided with a cover plate (120), a surface of the cover plate (120) is threadedly connected with an oil inlet (121), a right surface of the housing one (100) is threadedly connected with an oil outlet (131) through a lug (130), the gear assembly comprises a gear one (220), a gear two (230), an output shaft one (200) and an output shaft two (210), and the housing one (100) and the housing two (110) constitute a housing device.
4. A gear reducer structure for reducing wear of a rotating shaft according to claim 3, wherein: The internal part of the housing device is provided with the gear one (220), the gear one (220) is connected with the output shaft one (200), the output shaft one (200) penetrates through a rear surface of the housing device, the gear one (220) is in meshing connection with the gear two (230), the gear two (230) is connected with the output shaft two (210), and the output shaft two (210) penetrates through a front surface of the housing device.
5. A gear reducer structure for reducing wear of a rotating shaft according to claim 4, wherein: The diameter of the output shaft one (200) is greater than that of the output shaft two (210), the diameter of the gear one (220) is greater than that of the gear two (230), the thickness of the gear one (220) is smaller than that of the gear two (230), and the oil inlet (121) is provided with the circulating hose one (400).
6. A gear reducer structure for reducing wear of a rotating shaft according to claim 5, wherein: The oil outlet (131) is provided with the circulating hose two (420), the circulating hose one (400) and the circulating hose two (420) are of the same structure, the filtering device (410) is arranged between the circulating hose one (400) and the circulating hose two (420), and a pump machine is arranged at the bottom of the internal part of the housing one (100), and an outlet of the pump machine is connected with the outlet of the oil outlet (131).
7. A gear reducer structure for reducing wear of a rotating shaft according to claim 1, wherein: The sealing device comprises a sealing ring one (300) and a sealing ring two (320), the front surface of the sealing ring one (300) is integrally formed with the sealing ring two (320), and a circular through hole (321) is arranged at the center position of the front surface of the sealing device.
8. A gear reducer structure for reducing wear of a rotating shaft according to claim 7, wherein: The outer surface of the output shaft one (200) and the output shaft two (210) is equipped with a sealing ring through a circular through hole (321), the front surface of the sealing ring one (300) is glued with a rubber pad (310), the front surface of the sealing ring two (320) is connected with the side surface of the sealing ring one (300) with the rubber pad (310) and the penetrating part of the output shaft one (200) and the output shaft two (210) and the shell.