Internal lubricating mechanism of marine coupler
By designing the sealing ring and lubrication channel structure, the problem of insufficient internal lubrication of marine couplings is solved, and the effective recycling of lubricating oil is achieved, which reduces wear and extends the service life of the coupling.
Patent Information
- Application Number
- CN202421065074.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-15
- Publication Date
- 2025-01-03
- Estimated Expiration
- 2034-05-15
AI Technical Summary
The internal lubrication of existing marine couplings is insufficient, resulting in wear and abnormal noise, affecting service life.
An internal lubricating mechanism including sealing ring, bolt connection, top box, oil injection channel and oil delivery channel is designed. The oil outlet is sealed through the structure of threaded sleeve, threaded rod, mobile plate and baffle, and the lubricating oil enters the oil injection channel. and oil conveying channels to achieve lubrication of the inner part of the coupling.
It effectively reduces wear between coupling and shaft, extends service life, and ensures the quality and sealing of lubricating oil through filters and sealing gaskets.
Smart Images

Figure CN222296780U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of couplings, in particular to an internal lubrication mechanism of a marine coupling. Background Art
[0002] The coupling is an indispensable connecting part in mechanical transmission. It is mainly used to connect the driving shaft and the driven shaft, transmit motion and torque, and compensate for the influence of uneven material structure, manufacturing pollution, deformation after load, etc. The coupling has become one of the key equipment in the ship power system.
[0003] In the prior art, the internal lubrication of the marine coupling is insufficient, which is prone to wear and abnormal noise during long-term use, affecting the use effect of the coupling and the shaft and the service life of the coupling. Therefore, an internal lubrication mechanism for a marine coupling is proposed to address the above problems. Utility Model Content
[0004] The technical problem to be solved by the utility model is that: the existing technology has the disadvantage of insufficient internal lubrication of the marine coupling, so we propose an internal lubrication mechanism for the marine coupling.
[0005] The utility model solves the technical problem by adopting the following technical scheme: an internal lubrication mechanism of a marine coupling, comprising a first coupling and a second coupling; a sealing ring is arranged on the inner sides of the first coupling and the second coupling, the first coupling and the second coupling are connected by bolts, the tops of the first coupling and the second coupling are connected with a top box by screws, the right side of the top box is connected with a fixing box by screws, an oil outlet is arranged at the bottom of the top box, an oil injection channel is arranged at the inner cavities of the first coupling and the second coupling, a rotating shaft channel is arranged at the outer sides of the first coupling and the second coupling, an oil delivery channel is arranged at the top and the bottom of the rotating shaft channel, the inner side of the oil delivery channel is communicated with the outer side of the oil injection channel, the oil injection channel is communicated with the oil outlet, a sealing mechanism for blocking the through groove is arranged at the inner cavity of the fixing box, an oil inlet pipe is communicated with the top of the top box, and a pipe cover is threadedly connected to the surface of the oil inlet pipe.
[0006] Preferably, the sealing mechanism includes a threaded sleeve, a threaded rod, a movable plate and a baffle, a threaded sleeve is embedded and installed on the outer side of the fixed box, the inner cavity of the threaded sleeve is threadedly connected to the threaded rod, the inner side of the threaded rod is rotatably connected to the movable plate via a bearing, the inner side of the movable plate is connected to the baffle via screws, the inner side of the baffle passes through the fixed box and the top box in sequence and extends to the inner cavity of the top box, and the bottom of the baffle fits with the bottom of the inner cavity of the top box.
[0007] Preferably, a filter screen is connected to the top of the left side of the inner cavity of the top box by screws, and the right side of the filter screen is connected to the top of the right side of the inner cavity of the top box by screws.
[0008] Preferably, a sealing gasket is bonded to the inner side of the inner cavity of the fixing box, and the inner side of the sealing gasket is in contact with the surface of the baffle.
[0009] Preferably, the bottom of the inner cavity of the fixed box is provided with sliding grooves in sequence from front to back, the inner cavity of the sliding groove is slidably connected with a slider, and the top of the slider is connected to the bottom of the movable plate by screws.
[0010] Preferably, a handle is connected to the outer side of the threaded rod via screws, and a maintenance cover is provided on the top of the front side of the top box.
[0011] The beneficial effects of the utility model are:
[0012] The utility model blocks the oil outlet through the structural design of the threaded sleeve, the threaded rod, the movable plate and the baffle plate. When the first coupling and the second coupling need to be lubricated internally, the baffle plate leaks out of the oil outlet, and the lubricating oil falls into the oil injection channel, and is lubricated through the oil injection channel and the oil delivery channel, thereby reducing the wear of the first coupling, the second coupling and the shaft, and extending the service life of the first coupling and the second coupling. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be 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 paying creative work.
[0014] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0015] Figure 2 It is a cross-sectional view of the first coupling and the second coupling structure of the utility model;
[0016] Figure 3 It is a cross-sectional view of the top box and the fixed box structure of the utility model;
[0017] Figure 4 It is a cross-sectional view of the top box structure of the utility model.
[0018] In the figure: 1. first coupling; 2. second coupling; 3. sealing ring; 4. top box; 5. fixed box; 6. oil filling channel; 7. shaft channel; 8. oil delivery channel; 9. sealing mechanism; 91. threaded sleeve; 92. threaded rod; 93. movable plate; 94. baffle; 10. filter screen; 11. sealing gasket; 12. slide groove; 13. slider. DETAILED DESCRIPTION
[0019] 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.
[0020] The following is combined with Figure 1-4 To further explain this application in detail,
[0021] The present application embodiment discloses an internal lubrication mechanism for a marine coupling. Figure 1 and Figure 2 , an internal lubrication mechanism of a marine coupling, comprising a first coupling 1 and a second coupling 2; a sealing ring 3 is arranged on the inner side of the first coupling 1 and the second coupling 2, the first coupling 1 and the second coupling 2 are connected by bolts, a top box 4 is connected to the top of the first coupling 1 and the second coupling 2 by screws, a fixing box 5 is connected to the right side of the top box 4 by screws, an oil outlet is provided at the bottom of the top box 4, an oil injection channel 6 is provided in the inner cavity of the first coupling 1 and the second coupling 2, A shaft channel 7 is provided on the outside of the first coupling 1 and the second coupling 2, and an oil delivery channel 8 is provided on the top and bottom of the shaft channel 7. The inner side of the oil delivery channel 8 is connected with the outer side of the oil injection channel 6, and the oil injection channel 6 is connected with the oil outlet. The inner cavity of the fixed box 5 is provided with a sealing mechanism 9 for sealing the through groove, and the top of the top box 4 is connected with an oil inlet pipe, and a pipe cover is threadedly connected to the surface of the oil inlet pipe; the interior of the first coupling 1 and the second coupling 2 is lubricated through the oil injection channel 6 and the oil delivery channel 8.
[0022] Reference Figure 3 and Figure 4The sealing mechanism 9 includes a threaded sleeve 91, a threaded rod 92, a movable plate 93 and a baffle 94. The outer side of the fixed box 5 is embedded with a threaded sleeve 91, the inner cavity of the threaded sleeve 91 is threadedly connected with a threaded rod 92, the inner side of the threaded rod 92 is rotatably connected with a movable plate 93 through a bearing, the inner side of the movable plate 93 is connected with a baffle 94 through screws, the inner side of the baffle 94 sequentially penetrates the fixed box 5 and the top box 4 and extends to the inner cavity of the top box 4, and the bottom of the baffle 94 fits with the bottom of the inner cavity of the top box 4; the movable baffle 94 leaks out of the oil outlet, and the lubricating oil falls into the oil injection channel 6, and is lubricated through the oil injection channel 6 and the oil delivery channel 8, thereby reducing the wear of the first coupling 1 and the second coupling 2 and the shaft.
[0023] Reference Figure 3 The top of the left side of the inner cavity of the top box 4 is connected with a filter screen 10 by screws, and the right side of the filter screen 10 is connected to the top of the right side of the inner cavity of the top box 4 by screws; the lubricating oil is filtered to remove impurities in the lubricating oil.
[0024] Reference Figure 3 A sealing gasket 11 is bonded to the inner side of the inner cavity of the fixed box 5 , and the inner side of the sealing gasket 11 is in contact with the surface of the baffle 94 , thereby sealing the fixed box 5 and preventing the lubricating oil from entering the fixed box 5 .
[0025] Reference Figure 3 The bottom of the inner cavity of the fixed box 5 is sequentially provided with slide grooves 12 from front to back, and the inner cavity of the slide groove 12 is slidably connected with a slider 13, and the top of the slider 13 is connected to the bottom of the movable plate 93 by screws; the movable plate 93 is limited, and the movable plate 93 is assisted to move, thereby improving the stability of the movable plate 93.
[0026] Reference Figure 1 and Figure 3 A handle is connected to the outside of the threaded rod 92 by screws, and a maintenance cover is provided on the top of the front of the top box 4; the handle is convenient for the user to rotate the threaded rod 92, and the maintenance cover is convenient for the user to install and remove the filter 10.
[0027] Working principle: the user turns the tube cover to add lubricating oil to the top box 4 for storage. When lubrication of the inside of the first coupling 1 and the second coupling 2 is required, the user turns the handle, and the handle drives the threaded rod 92 to rotate, and the threaded rod 92 drives the movable plate 93 to move outward, and the movable plate 93 drives the baffle 94 to move outward, thereby leaking out of the oil outlet. At this time, the lubricating oil enters the oil filling channel 6, and then the lubricating oil enters the oil delivery channel 8. The oil delivery channel 8 seeps the lubricating oil, and the lubricating oil lubricates the inside of the first coupling 1 and the second coupling 2, thereby reducing the wear between the first coupling 1 and the second coupling 2 and the shaft.
[0028] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.
Claims
1. An internal lubrication mechanism for a marine coupling, characterized in that: The invention comprises a first coupling (1) and a second coupling (2); a sealing ring (3) is arranged on the inner side of the first coupling (1) and the second coupling (2); the first coupling (1) and the second coupling (2) are connected by bolts; a top box (4) is connected to the top of the first coupling (1) and the second coupling (2) by screws; a fixing box (5) is connected to the right side of the top box (4) by screws; an oil outlet is provided at the bottom of the top box (4); the first coupling (1) and the second coupling (2) are connected to the top of the first coupling (1) and the second coupling (2) by screws; An oil injection channel (6) is provided in the inner cavity of the fixing box (5); a rotating shaft channel (7) is provided on the outer side of the first coupling (1) and the second coupling (2); an oil delivery channel (8) is provided at the top and bottom of the rotating shaft channel (7); the inner side of the oil delivery channel (8) is communicated with the outer side of the oil injection channel (6); the oil injection channel (6) is communicated with the oil outlet; a sealing mechanism (9) for sealing the through groove is provided in the inner cavity of the fixing box (5); an oil inlet pipe is communicated with the top of the top box (4); and a pipe cover is threadedly connected to the surface of the oil inlet pipe.
2. The internal lubrication mechanism of a marine coupling according to claim 1, characterized in that: The sealing mechanism (9) comprises a threaded sleeve (91), a threaded rod (92), a movable plate (93) and a baffle (94); the threaded sleeve (91) is embedded and installed on the outer side of the fixed box (5); the inner cavity of the threaded sleeve (91) is threadedly connected to the threaded rod (92); the inner side of the threaded rod (92) is rotatably connected to the movable plate (93) via a bearing; the inner side of the movable plate (93) is connected to the baffle (94) via screws; the inner side of the baffle (94) passes through the fixed box (5) and the top box (4) in sequence and extends to the inner cavity of the top box (4); the bottom of the baffle (94) is in contact with the bottom of the inner cavity of the top box (4).
3. The internal lubrication mechanism of a marine coupling according to claim 1, characterized in that: The top of the left side of the inner cavity of the top box (4) is connected to a filter screen (10) via screws, and the right side of the filter screen (10) is connected to the top of the right side of the inner cavity of the top box (4) via screws.
4. The internal lubrication mechanism of a marine coupling according to claim 1, characterized in that: A sealing gasket (11) is bonded to the inner side of the inner cavity of the fixing box (5), and the inside of the sealing gasket (11) is in contact with the surface of the baffle (94).
5. The internal lubrication mechanism of a marine coupling according to claim 1, characterized in that: The bottom of the inner cavity of the fixed box (5) is provided with sliding grooves (12) from front to back in sequence, and the inner cavity of the sliding groove (12) is slidably connected with a slider (13), and the top of the slider (13) is connected to the bottom of the movable plate (93) by screws.
6. The internal lubrication mechanism of a marine coupling according to claim 2, characterized in that: The outer side of the threaded rod (92) is connected with a handle via screws, and the top of the front side of the top box (4) is provided with a maintenance cover.