Speed reducer convenient for filling lubricating oil

Abstract

The utility model provides a speed reducer convenient to fill lubricating oil, which relates to the technical field of speed reducers and comprises a base, a speed reducer body is mounted at the top of the base, a sealing component is arranged at the top of the inner side of the speed reducer body, a sealing cap is mounted on the surface of the top of the speed reducer body, and a plug rod component is arranged in the base. According to the speed reducer, the sealing cap is screwed off from the oil filling hole, the cross-shaped top plate is pressed downwards to jack the connecting rod and the sealing cover, so that the sealing cover is separated from the sealing groove, the oil filling hole is communicated with the interior of the speed reducer body, lubricating oil is filled into the speed reducer body through the oil filling hole, and after filling is completed, a lubricating oil bottle is taken down; the speed reducer body is driven to reset upwards, the sealing cover is synchronously driven to be embedded into the sealing groove again for sealing, finally, the sealing cap is screwed again, lubricating oil filling work is completed, and through the design, lubricating oil filling work of the speed reducer body is completed easily and conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of reducers, in particular to a reducer which is convenient for filling lubricating oil. Background Art

[0002] The reducer is composed of gear pairs at various levels. For example, using a gear with a small number of teeth to drive a large gear can achieve the goal of mechanical deceleration. If a multi-stage transmission structure is adopted, the mechanical deceleration effect can be greatly increased and the torque effect can be increased.

[0003] In the prior art, the oil filling hole of the reducer is mostly sealed and blocked by connecting the sealing cover to the reducer housing with multiple bolts. When lubricating oil needs to be added, the multiple bolts need to be removed first, and after the lubricating oil is poured in, the sealing cover needs to be installed with multiple bolts. This connection method is too cumbersome to use, and the lubricating oil in the reducer needs to be replaced regularly. This installation method is not convenient for replacing the lubricating oil.

[0004] Therefore, a reducer which is convenient for filling lubricating oil is proposed to solve the above problems. Utility Model Content

[0005] The purpose of the utility model is to solve the problems existing in the prior art.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a reducer that is easy to add lubricating oil, comprising: a base, a reducer body is installed on the top of the base, a sealing assembly is arranged on the top of the inner side of the reducer body, a sealing cap is installed on the surface of the top of the reducer body, and a plug rod assembly is arranged inside the base.

[0007] As a preferred embodiment, an oil outlet groove is provided through the base, and a threaded groove 1 is provided at one end of the oil outlet groove.

[0008] As a preferred implementation, an oil filling hole is provided at the top of the reducer body, a sealing groove is provided at the top of the inner cavity of the reducer body, and a connecting pipe is installed through the bottom of the reducer body.

[0009] As a preferred implementation, the sealing groove is located at the bottom of the oil filling hole, and the surface of the connecting pipe is fixedly embedded in the interior of one end of the oil outlet groove.

[0010] As a preferred embodiment, the sealing assembly includes a cross mounting frame, which is fixedly mounted at the bottom of the inner cavity of the oil filling hole, a connecting rod is movably embedded at the center of the surface of the cross mounting frame, a cross top plate is fixedly mounted on the top of the connecting rod, a sealing cover is fixedly mounted on the bottom end of the connecting rod, the sealing cover is located at the bottom of the cross mounting frame, a spring is fixedly mounted on the top of the cross mounting frame, one end of the spring is fixedly mounted on the bottom side of the cross top plate, and the spring is sleeved on the surface of the connecting rod.

[0011] As a preferred embodiment, a second thread groove is provided on the surface of the sealing cap, a groove is provided on the top of the sealing cap, and the surface thread of the sealing cap is installed inside the oil filling hole.

[0012] As a preferred embodiment, the plug rod assembly includes a plug rod, a surface fixed sleeve at one end of the plug rod is provided with a rubber plug head, two fixing plates are fixedly installed on the surface of the plug rod, the two fixing plates are respectively located at two ends of the rubber plug head, a plurality of rubber sealing rings are fixedly installed on the surface of the rubber plug head, a threaded rod is installed on the other end of the plug rod through a bearing, and a pull ring is fixedly installed on one side of the threaded rod.

[0013] Compared with the prior art, the advantages and positive effects of the utility model are:

[0014] 1. According to the utility model, when filling the reducer body with lubricating oil, the sealing cap is first unscrewed from the oil filling hole with a tool, and then the mouth of the lubricating oil bottle is opened and inserted into the oil filling hole, and the cross top plate is pushed by pressing down the lubricating oil bottle body, and the cross top plate pushes the connecting rod and the sealing cover to make the sealing cover disengage from the sealing groove, so that the oil filling hole and the inside of the reducer body are connected, and the lubricating oil is filled into the reducer body through the oil filling hole. After the filling is completed, the lubricating oil bottle can be removed, and the connecting rod will be driven to reset upward under the action of the spring, and the sealing cover will be synchronously driven to be embedded in the sealing groove again for sealing, and finally the sealing cap is re-screwed to complete the filling of the lubricating oil. Through this design, the filling of the lubricating oil of the reducer body can be completed simply and conveniently.

[0015] 2. According to the utility model, before adding lubricating oil, the old lubricating oil in the reducer body needs to be released, and the threaded rod is rotated by rotating the pull ring to unscrew the threaded rod from the thread groove one. Then, the pull ring is pulled to pull the plug rod and the rubber sealing ring out of the oil outlet groove. At this time, the old lubricating oil in the reducer body will flow into the oil outlet groove through the connecting pipe and finally flow to the outside. When the old lubricating oil is released, the rubber sealing ring and the plug rod are reinserted into the oil outlet groove, and the threaded rod is tightened in the thread groove one to add new lubricating oil through the oil filling hole. The operation is simple and the work efficiency is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 A schematic diagram of the main body of a reducer provided by the utility model that is convenient for filling with lubricating oil;

[0017] Figure 2 A structural diagram of a sealing cap of a reducer that is convenient for filling lubricating oil provided by the utility model;

[0018] Figure 3 A cross-sectional structural diagram of an oil filling hole of a reducer that is convenient for filling lubricating oil provided by the utility model;

[0019] Figure 4 The utility model provides a reducer that is easy to add lubricating oil Figure 3 Enlarged view of point A

[0020] Figure 5 A cross-sectional structural diagram of a reducer body of a reducer that is convenient for filling lubricating oil provided by the utility model;

[0021] Figure 6 The utility model provides a plug rod assembly structure diagram of a reducer that is convenient for filling with lubricating oil.

[0022] Legend:

[0023] 1. Base; 101. Oil outlet groove; 102. Thread groove one; 2. Reducer body; 201. Oil filling hole; 202. Sealing groove; 203. Connecting pipe; 3. Sealing assembly; 301. Cross mounting bracket; 302. Connecting rod; 303. Cross top plate; 304. Sealing cover; 305. Spring; 4. Sealing cap; 401. Thread groove two; 402. Groove; 5. Plug rod assembly; 501. Plug rod; 502. Rubber plug head; 503. Fixing plate; 504. Rubber sealing ring; 505. Threaded rod; 506. Pull ring. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-6 The utility model provides a technical solution: a reducer that is easy to add lubricating oil, comprising: a base 1, a reducer body 2 is installed on the top of the base 1, a sealing assembly 3 is arranged on the top of the inner side of the reducer body 2, a sealing cap 4 is installed on the surface of the top of the reducer body 2, and a plug rod assembly 5 is arranged inside the base 1.

[0026] Specifically: the base 1 plays a supporting and connecting role, the reducer body 2 is a device in the prior art, and its internal structure is not described in detail, the sealing assembly 3 and the sealing cap 4 are convenient for filling lubricating oil and sealing, and the plug rod assembly 5 is convenient for releasing old lubricating oil and sealing.

[0027] In one embodiment, an oil outlet groove 101 is formed inside the base 1 , and a threaded groove 102 is formed at one end inside the oil outlet groove 101 .

[0028] Specifically, the oil outlet groove 101 is connected to the reducer body 2 through the connecting pipe 203, so as to conveniently discharge the old lubricating oil inside the reducer body 2, and the threaded groove 102 is convenient for fixing the plug rod assembly 5.

[0029] In one embodiment, an oil filling hole 201 is provided at the top of the reducer body 2 , a sealing groove 202 is provided at the top of the inner cavity of the reducer body 2 , and a connecting pipe 203 is installed through the bottom of the reducer body 2 .

[0030] Specifically: a threaded groove is provided at the top of the inner cavity of the oil filling hole 201 to facilitate the installation of the sealing cap 4. The diameter of the oil filling hole 201 should be slightly larger than the common lubricating oil bottle mouth to facilitate filling. The sealing groove 202 fits the surface of the sealing cover 304 to play an installation sealing role.

[0031] In one embodiment, the sealing groove 202 is located at the bottom of the oil filling hole 201 , and the surface of the connecting pipe 203 is fixedly embedded in the interior of one end of the oil outlet groove 101 .

[0032] Specifically, the connecting pipe 203 is connected to the reducer body 2 and the oil outlet groove 101 .

[0033] In one embodiment, the sealing assembly 3 includes a cross mounting frame 301, which is fixedly mounted at the bottom of the inner cavity of the oil filling hole 201, and a connecting rod 302 is movably embedded at the center of the surface of the cross mounting frame 301. A cross top plate 303 is fixedly mounted on the top of the connecting rod 302, and a sealing cover 304 is fixedly mounted on the bottom end of the connecting rod 302. The sealing cover 304 is located at the bottom of the cross mounting frame 301, and a spring 305 is fixedly mounted on the top of the cross mounting frame 301. One end of the spring 305 is fixedly mounted on the bottom side of the cross top plate 303, and the spring 305 is sleeved on the surface of the connecting rod 302.

[0034] Specifically: the cross mounting frame 301 plays a supporting and installing role, the connecting rod 302 plays a connecting role, the cross top plate 303 facilitates the lubricating oil bottle mouth to push the connecting rod 302, and the spring 305 can push the cross top plate 303 to drive the connecting rod 302 and the sealing cover 304, so that the sealing cover 304 fits tightly in the sealing groove 202 to achieve a sealing effect.

[0035] In one embodiment, a thread groove 401 is formed on the surface of the sealing cap 4 , a groove 402 is formed on the top of the sealing cap 4 , and the surface of the sealing cap 4 is threadedly installed inside the oil filling hole 201 .

[0036] Specifically, the second thread groove 401 facilitates the sealing cap 4 to be installed in the oil filling hole 201 for fixing and sealing, and the groove 402 facilitates the installation and removal of the sealing cap 4 .

[0037] In one embodiment, the plug rod assembly 5 includes a plug rod 501, a surface fixed sleeve of one end of the plug rod 501 is provided with a rubber plug head 502, two fixing plates 503 are fixedly installed on the surface of the plug rod 501, the two fixing plates 503 are respectively located at the two ends of the rubber plug head 502, a plurality of rubber sealing rings 504 are fixedly installed on the surface of the rubber plug head 502, a threaded rod 505 is installed on the other end of the plug rod 501 through a bearing, and a pull ring 506 is fixedly installed on one side of the threaded rod 505.

[0038] Specifically: the plug rod 501 plays a connecting role, the rubber plug head 502 cooperates with the rubber sealing ring 504 to block and seal the inside of the oil outlet groove 101, the fixing plate 503 strengthens the fixation of the rubber plug head 502, and the pull ring 506 facilitates the installation and removal of the threaded rod 505.

[0039] Working principle: When the device is filling the reducer body 2 with lubricating oil, first use a tool to unscrew the sealing cap 4 from the oil filling hole 201, then open the mouth of the lubricating oil bottle and insert it into the oil filling hole 201, and push the cross top plate 303 by pressing down the lubricating oil bottle body, and the cross top plate 303 pushes the connecting rod 302 and the sealing cover 304 to make the sealing cover 304 disengage from the sealing groove 202, so that the oil filling hole 201 and the interior of the reducer body 2 are connected, and the lubricating oil is filled into the reducer body 2 through the oil filling hole 201. After the filling is completed, remove the lubricating oil bottle, and the connecting rod 302 will be driven to reset upward under the action of the spring 305, and synchronously drive the sealing cover 304 to be embedded in the sealing groove 202 again for sealing, and finally re-screw the sealing cap 4 to complete the filling of the lubricating oil. Through this design, the lubricating oil filling work of the reducer body 2 can be completed simply and conveniently; before filling the lubricating oil, the old lubricating oil inside the reducer body 2 needs to be released, and the threaded rod 505 is rotated by rotating the pull ring 506 to unscrew the threaded rod 505 from the thread groove 102, and then, the pull ring 506 is pulled to pull the plug rod 501 and the rubber sealing ring 504 out of the oil outlet groove 101. At this time, the old lubricating oil inside the reducer body 2 will flow into the oil outlet groove 101 through the connecting pipe 203, and finally flow to the outside. When the old lubricating oil is released, the rubber sealing ring 504 and the plug rod 501 are re-inserted into the oil outlet groove 101, and the threaded rod 505 is tightened in the thread groove 102 to fill new lubricating oil through the oil filling hole 201. The operation is simple and the work efficiency is improved.

[0040] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A reducer that is easy to add lubricating oil, characterized in that: include: A base (1), a reducer body (2) is installed on the top of the base (1), a sealing assembly (3) is arranged on the top of the inner side of the reducer body (2), a sealing cap (4) is installed on the surface of the top of the reducer body (2), and a plug rod assembly (5) is arranged inside the base (1); An oil filling hole (201) is provided at the top of the reducer body (2), a sealing groove (202) is provided at the top of the inner cavity of the reducer body (2), and a connecting pipe (203) is installed through the bottom of the reducer body (2); The sealing assembly (3) comprises a cross mounting frame (301), the cross mounting frame (301) is fixedly mounted at the bottom of the inner cavity of the oil injection hole (201), a connecting rod (302) is movably embedded at the center of the surface of the cross mounting frame (301), a cross top plate (303) is fixedly mounted on the top of the connecting rod (302), a sealing cover (304) is fixedly mounted on the bottom end of the connecting rod (302), the sealing cover (304) is located at the bottom of the cross mounting frame (301), a spring (305) is fixedly mounted on the top of the cross mounting frame (301), one end of the spring (305) is fixedly mounted on the bottom side of the cross top plate (303), and the spring (305) is sleeved on the surface of the connecting rod (302); The plug rod assembly (5) comprises a plug rod (501), a rubber plug head (502) being fixedly sleeved on the surface of one end of the plug rod (501), two fixing plates (503) being fixedly mounted on the surface of the plug rod (501), the two fixing plates (503) being respectively located at the two ends of the rubber plug head (502), a plurality of rubber sealing rings (504) being fixedly mounted on the surface of the rubber plug head (502), a threaded rod (505) being mounted on the other end of the plug rod (501) via a bearing, and a pull ring (506) being fixedly mounted on one side of the threaded rod (505).

2. A reducer that is easy to add lubricating oil according to claim 1, characterized in that: An oil outlet groove (101) is provided through the base (1), and a threaded groove (102) is provided at one end of the oil outlet groove (101).

3. A reducer that is easy to add lubricating oil according to claim 2, characterized in that: The sealing groove (202) is located at the bottom of the oil filling hole (201), and the surface of the connecting pipe (203) is fixedly embedded in the interior of one end of the oil outlet groove (101).

4. A reducer that is easy to add lubricating oil according to claim 1, characterized in that: The surface of the sealing cap (4) is provided with a second thread groove (401), the top of the sealing cap (4) is provided with a groove (402), and the surface of the sealing cap (4) is threadedly installed inside the oil filling hole (201).

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