Novel speed reducer

Abstract

The utility model relates to a novel speed reducer which comprises a shell, an input shaft and an output shaft, the end, located in the shell, of the input shaft is fixedly connected with a worm, a rotating shaft is arranged on the upper side of the worm in the shell, the rotating shaft is sequentially and fixedly connected with a worm gear and a small gear from back to front, and the worm gear is meshed with the worm. The upper side of the shell is provided with a window, the window is covered with a cover plate, the cover plate is provided with an installation base, the installation base is provided with a rotating opening penetrating into the shell, the rotating opening is provided with an oil guide pipe, the upper end of the oil guide pipe extends to the position above the installation base, and the lower end of the oil guide pipe extends to the position above the installation base. The lower end of the oil guide pipe penetrates into the shell, the middle of the oil guide pipe is rotationally connected into a rotating opening of the mounting base, and the worm gear and the large gear are located below the rotating track of the lower end of the oil guide pipe. Therefore, precise lubrication of a specific gear set in the speed reducer is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of reducers, in particular to a novel reducer. Background Art

[0002] In modern industrial production, reducers, as important transmission devices, are widely used in various mechanical equipment. Their core function is to achieve power transmission and speed conversion through precise matching of gear sets, while providing necessary torque amplification.

[0003] With the improvement of environmental protection and sustainable development requirements, reducing the waste of lubricating oil and ensuring that every drop of lubricating oil can play the maximum efficiency has become one of the goals pursued by the industry. The existing technology still has room for improvement in the precise delivery of lubricating oil. The lubrication technologies commonly used in the current market mainly include splash lubrication, pressure lubrication, drip lubrication, etc. Although these methods meet the basic lubrication needs to a certain extent, if there are two gear sets inside the reducer, it is more difficult to accurately select one of the gear sets for lubrication. In response to the above technical problems, this application makes improvements to achieve precise lubrication of specific gear sets inside the reducer. Utility Model Content

[0004] The utility model provides a novel reducer, which solves the above problems existing in the use process of the prior art.

[0005] The technical solution of the utility model is achieved as follows: a novel reducer comprises a housing, an input shaft and an output shaft, wherein the input shaft is rotatably matched on the right side of the housing, one end of the input shaft located in the housing is fixedly connected with a worm, a rotating shaft is provided in the housing on the upper side of the worm, two ends of the rotating shaft are rotatably matched on the front and rear sides of the housing respectively, a worm wheel and a pinion are fixedly connected to the rotating shaft in sequence from back to front, the worm wheel is meshed with the worm, the output shaft is arranged in parallel with the rotating shaft, a large gear for meshing with the pinion is fixedly connected to the output shaft, a window is provided on the upper side of the housing, a cover plate is provided on the window, a mounting seat is provided on the cover plate, a rotating opening penetrating into the housing is provided on the mounting seat, an oil guide pipe is provided on the rotating opening, the upper end of the oil guide pipe extends above the mounting seat, the lower end of the oil guide pipe penetrates into the housing, the middle part of the oil guide pipe is rotatably connected to the rotating opening of the mounting seat, and the worm wheel and the large gear are located below the rotating track of the lower end of the oil guide pipe.

[0006] Preferably, the rotating opening is thin in the middle and wide at both ends, and has a first front limit wall and a second front limit wall for limiting the forward rotation of the lower end of the oil guide pipe, and a first rear limit wall and a second rear limit wall for limiting the backward rotation of the lower end of the oil guide pipe.

[0007] Preferably, the first front limiting wall, the second front limiting wall, the first rear limiting wall and the second rear limiting wall are all provided with magnetic blocks, and the oil guide pipe is made of stainless steel material that can be magnetically attracted.

[0008] Preferably, the mounting seat is fixedly arranged on the cover plate, the edge of the cover plate is fixed to the shell by means of screws, and the cover plate is made of a transparent material.

[0009] Preferably, a hinge shaft is provided on both left and right ends of the middle portion of the oil guide pipe, and the hinge shaft is rotatably fitted on the left and right sides of the rotating opening.

[0010] Preferably, a nozzle is fixedly connected to the lower end of the oil guide pipe.

[0011] Preferably, an oil drain port is opened at the bottom left side of the shell, a plug is provided on the oil drain port, an oil suction pipe is also provided on the left side of the shell, the oil suction pipe is located on the upper side of the oil drain port, the oil suction pipe penetrates into the shell and is tilted downward, an oil dipstick is also movably provided in the oil suction pipe, the upper end of the oil dipstick is fixedly connected to a fixing seat, and the fixing seat is threadedly connected to the upper end of the oil suction pipe.

[0012] In summary, the beneficial effects of the present invention are:

[0013] 1. The utility model can rotate the oil guide pipe to move the lower end of a specific gear set (worm and worm wheel or large gear and pinion) to the worm wheel or large gear when lubrication is needed, and then pour lubricating oil into the oil guide pipe. At this time, the worm and worm wheel or large gear and pinion can be accurately lubricated according to the selection, thereby realizing accurate lubrication of a specific gear set inside the reducer and preventing lubricating oil from being wasted. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] 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 labor.

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 for Figure 1 Schematic diagram of the structure when observed from another angle;

[0017] Figure 3 This is a schematic diagram of the structure of the utility model without the upper half of the shell;

[0018] Figure 4 This is a schematic diagram of the structure of the cover plate of the utility model viewed from the upper side;

[0019] Figure 5 for Figure 4 Schematic diagram of the cross-sectional structure along the AA direction;

[0020] Figure 6 for Figure 5 A local enlarged schematic diagram of the middle A;

[0021] Figure 7 for Figure 4 Schematic diagram of the cross-sectional structure along the BB direction;

[0022] Figure 8 for Figure 7 A partial enlarged schematic diagram of the upper half;

[0023] Fig. 9 for Figure 8 Schematic diagram of the trajectory of the middle oil guide pipe rotating forward and backward;

[0024] Fig.10 It is a structural schematic diagram of the oil pumping pipe in the utility model.

[0025] In the figure: 1. housing; 11. window; 12. oil drain port; 21. input shaft; 22. output shaft; 23. worm; 24. rotating shaft; 25. worm wheel; 26. small gear; 27. large gear; 3. cover plate; 4. mounting seat; 41. rotating port; 42. first front limiting wall; 43. second front limiting wall; 44. first rear limiting wall; 45. second rear limiting wall; 46. magnetic block; 5. oil guide pipe; 51. articulated shaft; 52. nozzle; 6. plug; 71. oil extraction pipe; 72. oil dipstick; 73. fixing seat. DETAILED DESCRIPTION

[0026] The following will be combined with the attached embodiment of the present utility model Figure 1-10 , 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 them. Based on the embodiments of 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.

[0027] Example:

[0028] like Figures 1 to 10As shown, the utility model discloses a novel reducer, including a housing 1, an input shaft 21 and an output shaft 22. The input shaft 21 is rotatably engaged with the right side of the housing 1, and the input shaft 21 passes through the right side of the housing 1. One end of the input shaft 21 located in the housing 1 is fixedly connected with a worm 23, and a rotating shaft 24 is provided on the upper side of the worm 23 in the housing 1. The two ends of the rotating shaft 24 are rotatably engaged with the front and rear sides of the housing 1 respectively, and a worm wheel 25 and a pinion 26 are fixedly connected to the rotating shaft 24 in sequence from the back to the front. The worm wheel 25 meshes with the worm 23. In addition, the output shaft 22 is arranged in parallel with the rotating shaft 24. The output shaft 22 passes through the front side of the housing 1. A large gear 27 for meshing with the small gear 26 is fixedly connected to the output shaft 22. When in use, the input shaft 21 is connected to an external motor, and the motor drives the input shaft 21. The input shaft 21 drives the worm wheel 25 through the worm 23 to rotate the rotating shaft 24, and the small gear 26 on the rotating shaft 24 drives the large gear 27, so that the output shaft 22 rotates. In the utility model, a window 11 is provided on the upper side of the housing 1, a cover plate 3 is provided on the window 11, and a mounting seat 4 is provided on the cover plate 3, a rotating opening 41 penetrating into the housing 1 is provided on the mounting seat 4, an oil guide pipe 5 is provided on the rotating opening 41, the upper end of the oil guide pipe 5 extends above the mounting seat 4, the lower end of the oil guide pipe 5 penetrates into the housing 1, the middle part of the oil guide pipe 5 is rotatably connected to the rotating opening 41 of the mounting seat 4, and the rotation direction of the oil guide pipe 5 is forward and backward swinging, such as Fig. 9 As shown, the worm gear 25 and the large gear 27 are located below the rotation track of the lower end of the oil guide pipe 5.

[0029] The working principle of the utility model is that when lubrication is required for a specific gear set (the gear set in this embodiment is a combination of the worm 23 and the worm wheel 25 or a combination of the large gear 27 and the small gear 26, of course, the utility model can also use other gear combinations, as long as the reducer function can be achieved and the positions are similar), the oil guide pipe 5 can be rotated to move its lower end to the worm wheel 25 or the large gear 27, and then the lubricating oil is transported into the oil guide pipe 5 (the upper end of the oil guide pipe 5 has a thread, which can be used to communicate with the outside The lubricating oil is connected to the pipeline for conveying lubricating oil in the part), when the lubricating oil reaches the worm wheel 25 through the oil guide pipe 5, it will be distributed on the worm wheel 25 and the worm 23 as the worm wheel 25 rotates, and the lubricating oil reaching the large gear 27 will be distributed on the large gear 27 and the small gear 26 as the large gear 27 and the small gear 26 mesh and rotate. The utility model can accurately lubricate the worm 23 and the worm wheel 25 or the large gear 27 and the small gear 26 according to the selection, thereby realizing accurate lubrication of the specific gear set inside the reducer and preventing the lubricating oil from being wasted.

[0030] Further, such as Figure 8 and Fig. 9As shown, the rotating opening 41 is thin in the middle and wide at both ends, and has a first front limiting wall 42 and a second front limiting wall 43 for limiting the forward rotation of the lower end of the oil guiding pipe 5, and a first rear limiting wall 44 and a second rear limiting wall 45 for limiting the backward rotation of the lower end of the oil guiding pipe 5. It should be noted that when the oil guiding pipe 5 rotates to the position limited by the first front limiting wall 42 and the second front limiting wall 43, the lower end of the oil guiding pipe 5 is just above the large gear 27, and when the oil guiding pipe 5 rotates to the position limited by the first rear limiting wall 44 and the second rear limiting wall 45, the lower end of the oil guiding pipe 5 is just above the worm gear 25.

[0031] Furthermore, magnetic blocks 46 are provided on the first front limiting wall 42, the second front limiting wall 43, the first rear limiting wall 44 and the second rear limiting wall 45, and the oil guide pipe 5 is made of magnetically attracted stainless steel, so that when the lower end of the oil guide pipe 5 is just above the large gear 27 or the lower end of the oil guide pipe 5 is just above the worm gear 25, it can not only be limited but also be fixed by magnetism, so as to remain in this state, which is convenient for the user to carry out the operation of conveying lubricating oil.

[0032] In the utility model, the mounting seat 4 is fixedly arranged on the cover plate 3, the edge of the cover plate 3 is fixed to the housing 1 by screws, and the cover plate 3 is made of a transparent material, which makes it easy for the user to observe the situation inside the housing 1 and understand the lubrication conditions of the worm 23 and the worm wheel 25, the large gear 27 and the small gear 26.

[0033] like Fig.10 As shown, a hinge shaft 51 is provided on both left and right ends of the middle portion of the oil guide pipe 5 , and the hinge shaft 51 is rotatably fitted on the left and right sides of the rotating opening 41 .

[0034] In the utility model, the lower end of the oil guide pipe 5 is fixedly connected with a nozzle 52 , and the nozzle 52 can expand the range of the lubricating oil spraying, so that the lubricating oil can be more evenly distributed on the worm gear 25 or the large gear 27 .

[0035] The oil pump 71 is provided with a plug 6 on the left side of the oil pump 72. In addition, an oil extraction pipe 71 is provided on the left side of the oil pump 72. The oil extraction pipe 71 is located on the upper side of the oil extraction pipe 12. The oil extraction pipe 71 penetrates into the shell 1 and is tilted downward. The oil extraction pipe 71 is convenient for the user to extract the lubricating oil and continue to use it after filtering. An oil dipstick 72 is also movably provided in the oil extraction pipe 71. The upper end of the oil dipstick 72 is fixedly connected to a fixing seat 73. The fixing seat 73 is threadedly connected to the upper end of the oil extraction pipe 71. On the one hand, the fixing seat 73 can seal the oil extraction pipe 71. On the other hand, the oil dipstick 72 can be pulled out after loosening the thread. By observing the oil dipstick 72, the accumulation of lubricating oil in the shell 1 and the cleanliness of the lubricating oil can be known, so as to decide whether to extract the lubricating oil in the shell 1. When the lubricating oil and residue in the shell 1 need to be cleaned, the plug 6 is opened to discharge all the lubricating oil from the oil discharge port 12.

[0036] It should also be pointed out that the terms used in the present invention, such as "front", "rear", "vertical", "horizontal", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are only used to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of the present invention.

[0037] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A novel reducer, comprising a housing, an input shaft and an output shaft, characterized in that: The input shaft is rotatably fitted on the right side of the shell, and one end of the input shaft located in the shell is fixedly connected with a worm gear, and a rotating shaft is provided in the shell on the upper side of the worm gear, and two ends of the rotating shaft are rotatably fitted on the front and rear sides of the shell respectively, and a worm wheel and a pinion gear are fixedly connected to the rotating shaft from back to front in sequence, and the worm wheel meshes with the worm gear, and the output shaft is arranged parallel to the rotating shaft, and a large gear for meshing with the pinion gear is fixedly connected to the output shaft, and a window is provided on the upper side of the shell, and a cover plate is provided on the window, and a mounting seat is provided on the cover plate, and a rotating opening that penetrates into the shell is provided on the mounting seat, and an oil guide pipe is provided on the rotating opening, and the upper end of the oil guide pipe extends to above the mounting seat, and the lower end of the oil guide pipe penetrates into the shell, and the middle part of the oil guide pipe is rotatably connected to the rotating opening of the mounting seat, and the worm wheel and the large gear are located below the rotating track of the lower end of the oil guide pipe.

2. A novel reducer according to claim 1, characterized in that: The rotating opening is thin in the middle and wide at both ends, and has a first front limiting wall and a second front limiting wall for limiting the forward rotation of the lower end of the oil guide pipe, and a first rear limiting wall and a second rear limiting wall for limiting the backward rotation of the lower end of the oil guide pipe.

3. A novel reducer according to claim 2, characterized in that: The first front limiting wall, the second front limiting wall, the first rear limiting wall and the second rear limiting wall are all provided with magnetic blocks, and the oil guide pipe is made of stainless steel material that can be attracted by magnets.

4. A novel reducer according to claim 1, characterized in that: The mounting seat is fixedly arranged on the cover plate, the edge of the cover plate is fixed on the shell through screws, and the cover plate is made of transparent material.

5. A novel reducer according to claim 1, characterized in that: The middle part of the oil guide pipe is provided with hinge shafts on both left and right ends, and the hinge shafts are rotatably matched on the left and right sides of the rotating opening.

6. A novel reducer according to claim 1, characterized in that: The lower end of the oil guide pipe is fixedly connected with a spray head.

7. A novel reducer according to claim 1, characterized in that: An oil drain port is provided at the bottom left side of the shell, a plug is provided on the oil drain port, an oil suction pipe is also provided on the left side of the shell, the oil suction pipe is located on the upper side of the oil drain port, the oil suction pipe penetrates into the shell and is tilted downward, an oil dipstick is movably provided in the oil suction pipe, the upper end of the oil dipstick is fixedly connected to a fixing seat, and the fixing seat is threadedly connected to the upper end of the oil suction pipe.

Images