Electric transmission gear reducer

Abstract

The utility model relates to an electric transmission gear reducer which comprises a gear reducer body and a rotating shaft, a protection mechanism is arranged on the outer wall of the left side of the gear reducer body and comprises a positioning ring fixedly installed on the outer wall of the left side of the gear reducer body, and a buffering sleeve and a protection ring are connected to the outer wall of the left side of the positioning ring in a clamped mode. A mounting rod is fixedly mounted on the outer wall of the bottom of the buffer sleeve, a clamping seat is fixedly mounted on the outer wall of the bottom of the mounting rod, an extension plate is fixedly mounted on the outer wall of the left side of the gear reducer, a fixing rod is fixedly mounted on the outer wall of the top of the extension plate, and a reinforcing ring is fixedly mounted on the outer wall of the top of the fixing rod. According to the electric transmission gear speed reducer, the rotating shaft is protected through the effects of the positioning ring, the buffering sleeve and the protection ring, the buffering sleeve and the protection ring absorb impact force, displacement of the rotating shaft caused by external impact is prevented, the operation stability of the electric transmission gear speed reducer is improved, and meanwhile the buffering sleeve and the protection ring are convenient to disassemble and replace.

Description

Technical Field

[0001] The utility model relates to the technical field of gear reducers, in particular to an electric transmission gear reducer. Background Art

[0002] The gear reducer uses various levels of gear transmission to achieve the purpose of speed reduction. The reducer is composed of various levels of gear pairs. For example, using a small gear to drive a large gear can achieve a certain deceleration purpose. By using a multi-stage structure, the speed can be greatly reduced.

[0003] According to Chinese patent publication number CN217271810U, an impact-resistant gear reducer is disclosed, and the technical solution is: "It includes a mounting seat, a motor is installed on the top of the mounting seat, a reducer is installed on the top of the mounting seat relative to the position of the motor, and the reducer and the motor are assembled and connected through a connecting frame, the side of the reducer is rotatably connected to the transmission shaft through a bearing, a circular baffle is fixedly connected to the middle of the transmission shaft, and a plurality of buffer mechanisms are equidistantly provided on the side of the reducer relative to the position of the bearing, the buffer mechanism includes a sliding frame fixed to the side of the reducer, a guide pad is slidably connected at the side opening of the sliding frame, and a buffer strip is fixedly connected to the side end of the guide pad, the buffer strip corresponds to the position of the circular baffle, a connecting plate is fixedly connected to the inside of the sliding frame, a sliding rod is slidably connected at the center of the side of the connecting plate, and one end of the sliding rod is installed on the side of the guide pad, a spring is inserted through the middle of the sliding rod between the guide pad and the connecting plate, and the other end of the sliding rod slides through the connecting plate".

[0004] The above patent is aimed at the transmission shaft on the gear reducer in the prior art, which is usually directly mounted on the reducer housing with bearings, and no corresponding impact-resistant structure is designed, which causes the transmission shaft to easily move on the gear reducer when subjected to external impact. A large movement of the transmission shaft will affect the normal operation of the reducer. This application provides another solution to the shortcomings in the above patent application. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an electric transmission gear reducer, which has the advantages of protecting the rotating shaft of the gear reducer, etc., and solves the problem that the transmission shaft is easy to move on the gear reducer, and a large movement of the transmission shaft will affect the normal operation of the reducer.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an electric transmission gear reducer, comprising a gear reducer and a rotating shaft, wherein a protective mechanism is provided on the left outer wall of the gear reducer;

[0007] The protective mechanism includes a positioning ring fixedly installed on the left outer wall of the gear reducer, the left outer wall of the positioning ring is clamped with a buffer sleeve and a protective ring, the bottom outer wall of the buffer sleeve is fixedly installed with a mounting rod, the bottom outer wall of the mounting rod is fixedly installed with a socket, the left outer wall of the gear reducer is fixedly installed with an extension plate, the top outer wall of the extension plate is fixedly installed with a fixing rod, the top outer wall of the fixing rod is fixedly installed with a reinforcement ring, and the internal threads of the mounting rod and the fixing rod are connected with two bolts.

[0008] Furthermore, an annular groove is provided on the left outer wall of the positioning ring, the protective ring is fixedly mounted on the inner circumferential wall of the buffer sleeve, and the buffer sleeve and the protective ring are both clamped inside the annular groove and are matched in size.

[0009] Furthermore, the diameter of the rotating shaft is smaller than the diameter of the protective ring, and the rotating shafts are located inside the protective ring and do not contact each other.

[0010] Furthermore, a limiting groove is provided on the top outer wall of the extension plate, and the clamping seat is slidably connected inside the limiting groove and has a matching size.

[0011] Furthermore, the inner diameter of the reinforcement ring is the same as the diameter of the buffer sleeve, and the buffer sleeve is sleeved on the inner circumferential wall of the reinforcement ring.

[0012] Furthermore, two threaded holes are provided inside the installation rod and the fixing rod, and the bolts are threadedly connected inside the threaded holes and have matching sizes.

[0013] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0014] The electric transmission gear reducer protects the rotating shaft through the positioning ring, the buffer sleeve and the protective ring. The buffer sleeve and the protective ring absorb the impact force to prevent the rotating shaft from being displaced due to external impact, thereby improving the operating stability of the electric transmission gear reducer. At the same time, the buffer sleeve and the protective ring are easy to disassemble and replace. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 This is a schematic diagram of the left side structure of the buffer sleeve of the utility model;

[0017] Figure 3 This is a schematic diagram of the left side structure of the positioning ring of the utility model;

[0018] Figure 4 It is a schematic diagram of the top view structure of the extension plate of the utility model.

[0019] In the figure: 1. gear reducer; 2. rotating shaft; 3. positioning ring; 4. buffer sleeve; 5. protective ring; 6. mounting rod; 7. holder; 8. extension plate; 9. fixing rod; 10. reinforcement ring; 11. bolt. DETAILED DESCRIPTION

[0020] 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.

[0021] See also Figure 1-4 An electric transmission gear reducer in this embodiment includes a gear reducer 1 and a rotating shaft 2, and a protective mechanism is provided on the left outer wall of the gear reducer 1.

[0022] The protective mechanism includes a positioning ring 3 fixedly installed on the left outer wall of the gear reducer 1, the left outer wall of the positioning ring 3 is clamped with a buffer sleeve 4 and a protective ring 5, the left outer wall of the positioning ring 3 is provided with an annular groove, the protective ring 5 is fixedly installed on the inner circumferential wall of the buffer sleeve 4, the buffer sleeve 4 and the protective ring 5 are both clamped inside the annular groove and are of matching sizes, the diameter of the rotating shaft 2 is smaller than the diameter of the protective ring 5, the rotating shaft 2 is located inside the protective ring 5 and does not contact each other, the bottom outer wall of the buffer sleeve 4 is fixedly installed with a mounting rod 6, and the bottom outer wall of the mounting rod 6 is fixedly installed with a clamping seat 7.

[0023] An extension plate 8 is fixedly installed on the left outer wall of the gear reducer 1, and a limiting groove is provided on the top outer wall of the extension plate 8. The holder 7 is slidably connected to the inside of the limiting groove and is of a suitable size. A fixing rod 9 is fixedly installed on the top outer wall of the extension plate 8, and a reinforcement ring 10 is fixedly installed on the top outer wall of the fixing rod 9. The inner diameter of the reinforcement ring 10 is the same as the diameter of the buffer sleeve 4. The buffer sleeve 4 is sleeved on the inner circumferential wall of the reinforcement ring 10. The internal threads of the mounting rod 6 and the fixing rod 9 are connected with two bolts 11. The interiors of the mounting rod 6 and the fixing rod 9 are provided with two threaded holes. The bolts 11 are threadedly connected to the inside of the threaded holes and are of a suitable size.

[0024] In this embodiment, the rotating shaft 2 is rotatably connected to the inside of the gear reducer 1 .

[0025] In this embodiment, the reinforcement ring 10 improves the installation stability of the buffer sleeve 4.

[0026] In this embodiment, the extension plate 8 clamps and limits the holder 7 , thereby improving the installation stability of the mounting rod 6 .

[0027] The working principle of the above embodiment is:

[0028] First, clamp the buffer sleeve 4 and the protective ring 5 to the right side on the left outer wall of the positioning ring 3. At this time, the rotating shaft 2 is located inside the protective ring 5. At the same time, the mounting rod 6 and the socket 7 move to the right synchronously, and the socket 7 will be clamped on the top outer wall of the extension plate 8. Finally, the bolt 11 is threadedly connected to the mounting rod 6 and the fixing rod 9. At this time, the protection of the rotating shaft 2 is completed. The buffer sleeve 4 and the protective ring 5 protect the rotating shaft 2, which improves the working stability of the gear reducer 1.

[0029] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0030] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An electric transmission gear reducer, comprising a gear reducer (1) and a rotating shaft (2), characterized in that: The left outer wall of the gear reducer (1) is provided with a protective mechanism; The protective mechanism comprises a positioning ring (3) fixedly mounted on the left outer wall of the gear reducer (1); the left outer wall of the positioning ring (3) is clamped with a buffer sleeve (4) and a protective ring (5); the bottom outer wall of the buffer sleeve (4) is fixedly mounted with a mounting rod (6); the bottom outer wall of the mounting rod (6) is fixedly mounted with a clamping seat (7); the left outer wall of the gear reducer (1) is fixedly mounted with an extension plate (8); the top outer wall of the extension plate (8) is fixedly mounted with a fixing rod (9); the top outer wall of the fixing rod (9) is fixedly mounted with a reinforcement ring (10); the internal threads of the mounting rod (6) and the fixing rod (9) are connected by two bolts (11).

2. An electric transmission gear reducer according to claim 1, characterized in that: The left outer wall of the positioning ring (3) is provided with an annular groove, the protective ring (5) is fixedly mounted on the inner wall of the buffer sleeve (4), and the buffer sleeve (4) and the protective ring (5) are both clamped inside the annular groove and are of matching size.

3. The electric transmission gear reducer according to claim 1, characterized in that: The diameter of the rotating shaft (2) is smaller than the diameter of the protective ring (5), and the rotating shaft (2) is located inside the protective ring (5) and does not contact each other.

4. The electric transmission gear reducer according to claim 1, characterized in that: The top outer wall of the extension plate (8) is provided with a limiting groove, and the clamping seat (7) is slidably connected inside the limiting groove and has a matching size.

5. The electric transmission gear reducer according to claim 1, characterized in that: The inner diameter of the reinforcement ring (10) is the same as the diameter of the buffer sleeve (4), and the buffer sleeve (4) is sleeved on the inner circumferential wall of the reinforcement ring (10).

6. The electric transmission gear reducer according to claim 1, characterized in that: The installation rod (6) and the fixing rod (9) are both provided with two threaded holes inside, and the bolts (11) are threadedly connected inside the threaded holes and have matching sizes.

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