Speed reducer convenient to install

Abstract

The utility model discloses a speed reducer convenient to install, which comprises a box body, a top cover is arranged at the top of the box body, a worm rotating shaft is arranged in the box body, a worm is arranged on the outer surface of the worm rotating shaft, a middle rotating shaft is arranged on one side of the worm rotating shaft, and a worm gear is arranged on the outer surface of the middle rotating shaft. The worm gear and the worm are arranged in a meshed mode, and the gear box is characterized in that the worm rotating shaft is rotationally installed in the box body through an end cover device, and the middle rotating shaft is rotationally installed in the box body and the top cover through a rotating device; a flange plate assembly, a flange plate, a bearing seat assembly, a second bearing seat, a first bearing seat and an end cover assembly in the speed reducer are arranged in a modularized mode, so that a worm rotating shaft, a middle rotating shaft, a worm gear and a worm are conveniently installed in the speed reducer, and installation is convenient; and the assembling and mounting time of the speed reducer is shortened.

Description

Technical Field

[0001] The utility model relates to the technical field of reducer equipment, in particular to a reducer which is easy to install. Background Art

[0002] The reducer realizes the transmission function by setting a box-type structure and setting the transmission gears in the box structure. The disadvantage of the existing reducer is that since the shaft needs to be set in the box of the reducer, the existing reducer housing has a complex shape. This makes it inconvenient for personnel to install the reducer. Since the assembly time is also very important in the process of reducer production, improving the installation convenience of the reducer will indirectly improve the production efficiency of the reducer. People have conducted a lot of research on this. Utility Model Content

[0003] The technical problem to be solved by the utility model is to provide a reducer which is easy to install and can solve the above-mentioned problems in the prior art.

[0004] The utility model is realized through the following technical scheme: the utility model is a reducer that is easy to install, characterized in that it includes a box body, a top cover is provided on the top of the box body, a worm shaft is provided in the box body, a worm is provided on the outer surface of the worm shaft, an intermediate shaft is provided on one side of the worm shaft, a worm wheel is provided on the outer surface of the intermediate shaft, the worm wheel is meshingly arranged with the worm, and characterized in that the worm shaft is rotatably installed in the box body through an end cover device, the intermediate shaft is rotatably installed in the box body and the top cover through a rotating device, an inner hole of the box body is provided in the box body, and the diameter of the inner hole of the box body is larger than the maximum diameter of the worm.

[0005] According to a further technical solution, the end cover device includes a first bearing seat arranged on one side of the inner hole of the box body, and the worm shaft rotates through the first bearing seat. A flange assembly for easy disassembly and installation is arranged on one side of the inner hole of the box body, and a bearing seat assembly for rotating the other side of the worm shaft is also arranged on the box body.

[0006] According to a further technical solution, the flange assembly includes a fixing seat, which is installed on one side of the box body. The worm shaft rotates through the fixing seat, and a flange is installed on one side of the fixing seat.

[0007] According to a further technical solution, the flange comprises a flange cylinder, and a mounting plate is arranged on one side of the flange cylinder.

[0008] According to a further technical solution, the bearing seat assembly includes a mounting cylinder arranged on one side of the housing, a bearing end cover is installed on one side of the mounting cylinder, an end stepped shaft is arranged on one side of the worm shaft, and a rotary bearing is sleeved on the outer surface of the end stepped shaft.

[0009] According to a further technical solution, a through hole is provided in the installation cylinder, and the diameter of the through hole is larger than the maximum diameter of the worm.

[0010] According to a further technical solution, the rotating device includes a first stepped shaft arranged on the outer surface of the intermediate rotating shaft, a second stepped shaft is arranged on one side of the first stepped shaft, and an end cover assembly for mating and connecting with the top cover is arranged on one side of the first stepped shaft and the second stepped shaft.

[0011] According to a further technical solution, the end cover assembly includes a connecting plate, an inner fixing ring is arranged inside the connecting plate, a bearing mounting block is arranged at the bottom of the connecting plate, a top bearing is installed in the bearing mounting block, and the second stepped shaft rotates through the top bearing and the connecting plate.

[0012] According to a further technical solution, the connection plate is installed on the top side of the top cover.

[0013] The beneficial effects of the utility model are: 1. By forming the flange assembly, flange, bearing seat assembly, second bearing seat, first bearing seat and end cover assembly in the reducer into modular settings, it is convenient to install the worm shaft, intermediate shaft, worm wheel and worm inside the reducer, and the installation is convenient. Since multiple parts are pre-modularized, the time for assembling and installing the reducer is reduced.

[0014] 2. The diameter of the inner hole of the box body is larger than the maximum diameter of the worm, and a through hole is provided in the installation cylinder, and the diameter of the through hole is larger than the maximum diameter of the worm, so that the worm and the worm shaft can be passed through the inner hole of the box body or the installation cylinder and installed in the box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] For ease of explanation, the present invention is described in detail by the following specific embodiments and drawings.

[0016] Figure 1 This is a schematic diagram of the overall structure of a reducer that is easy to install in the utility model;

[0017] Figure 2 for Figure 1 Schematic diagram at A in the middle;

[0018] Figure 3 for Figure 1 Schematic diagram of the internal structure of the medium reducer;

[0019] Figure 4 for Figure 3 The structural diagram of the other side of the middle reducer;

[0020] Figure 5 for Figure 4 Schematic diagram at B in the middle;

[0021] Figure 6 for Figure 4 Schematic diagram of the structure of the middle reducer from a top view;

[0022] In the figure, the top cover 12, the box body 13, the flange cylinder 14, the mounting plate 15, the flange mounting hole 16, the flange inner hole 19, the bolt mounting hole 21, the fixing seat 22, the fixing seat inner hole 23, the matching threaded hole 24, the first bearing seat 25, the intermediate rotating shaft 26, the first stepped shaft 27, the worm gear 28, the second stepped shaft 29, the inner fixing ring 31, the connecting plate 33, the worm 34, the worm rotating shaft 35, the inner hole 36 of the box body, the end stepped shaft 41, the mounting cylinder 42, the rotating bearing 43, the bearing end cover 45, the inner limit ring 46, the bearing mounting block 51, the top bearing 52, and the second bearing seat 53. DETAILED DESCRIPTION

[0023] like Figure 1-Figure 6 As shown, the utility model is described in detail. For the convenience of description, the directions mentioned below are defined as follows: the up, down, left, right, front and back directions mentioned below are Figure 1 The up-down, left-right, front-back directions of the projection relationship are consistent. The utility model is a reducer that is easy to install, including a housing 13, a top cover 12 is detachably provided on the top of the housing 13, a worm shaft 35 is provided in the housing 13, a worm 34 is provided on the outer surface of the worm shaft 35, an intermediate shaft 26 is provided on one side of the worm shaft 35, a worm wheel 28 is provided on the outer surface of the intermediate shaft 26, the worm wheel 28 is meshed with the worm 34, the worm shaft 35 is rotatably installed in the housing 13 through an end cover device, and the intermediate shaft 26 is rotatably installed in the housing 13 and the top cover 12 through a rotating device.

[0024] Advantageously, the end cover device includes a box body inner hole 36 arranged in the box body 13, a first bearing seat 25 is arranged on one side of the box body inner hole 36, the worm shaft 35 rotates through the first bearing seat 25, a flange assembly that is easy to disassemble and install is arranged on one side of the box body inner hole 36, and the flange assembly is installed with the external space motor to realize the power transmission process, and a bearing seat assembly that rotates the other side of the worm shaft 35 is also arranged on the box body 13.

[0025] Advantageously, the diameter of the housing inner hole 36 is larger than the maximum diameter of the worm 34 , so that the worm 34 and the worm shaft 35 can be easily passed through the housing inner hole 36 and installed in the housing 13 .

[0026] Advantageously, the flange assembly includes a fixing seat 22, which is detachably mounted on one side of the housing 13, the fixing seat 22 is arranged opposite to the inner hole 36 of the housing, the worm shaft 35 rotates through the fixing seat inner hole 23 in the fixing seat 22, and a flange is detachably mounted on one side of the fixing seat 22.

[0027] Advantageously, a plurality of mating threaded holes 24 are provided in the fixing seat 22, a first bolt is provided in the mating threaded hole 24, and the first bolt is used to install and fix with the flange, and a plurality of bolt mounting holes 21 are also provided in the fixing seat 22, a second bolt is provided in the bolt mounting hole 21, and the second bolt is used to threadably match and connect with the box body 13 to fix.

[0028] Advantageously, the flange includes a flange cylinder 14, a mounting plate 15 is provided on one side of the flange cylinder 14, a flange inner hole 19 is provided in the flange cylinder 14, the worm shaft 35 rotates through the flange inner hole 19, a plurality of flange mounting holes 16 are provided in the flange cylinder 14, a first bolt passes through the flange mounting hole 16 and is threadedly connected with the matching threaded hole 24, and a plurality of first through holes are provided on the mounting plate 15 for mounting and fixing with the motor.

[0029] Advantageously, the bearing seat assembly includes a mounting cylinder 42 disposed on one side of the housing 13, a bearing end cover 45 is detachably mounted on one side of the mounting cylinder 42, an end stepped shaft 41 is disposed on one side of the worm shaft 35, a rotating bearing 43 is sleeved on the outer surface of the end stepped shaft 41, and after the bearing end cover 45 is installed on one side of the mounting cylinder 42, the bearing end cover 45 abuts against the outer ring of the rotating bearing 43 to limit the rotating bearing 43.

[0030] Advantageously, a through hole is provided in the mounting cylinder 42 , and a diameter of the through hole is larger than a maximum diameter of the worm 34 .

[0031] Advantageously, an inner limit ring 46 is provided in the mounting cylinder 42. After the rotating bearing 43 is installed in the mounting cylinder 42, the outer ring of the rotating bearing 43 abuts against one side of the inner limit ring 46. The diameter of the end stepped shaft 41 is smaller than the worm shaft 35. The end stepped shaft 41 and the worm shaft 35 form a stepped structure to abut the inner ring of the rotating bearing 43.

[0032] Advantageously, the rotating device includes a second bearing seat 53 arranged at the bottom of the housing 13, the second bearing seat 53 is detachably installed on the bottom side of the housing 13, the intermediate rotating shaft 26 is inserted into the inner ring of the bearing in the second bearing seat 53, and the outer surface of the intermediate rotating shaft 26 is also provided with a first stepped shaft 27, and a second stepped shaft 29 is also provided on one side of the first stepped shaft 27, and an end cover assembly for mating with the top cover 12 is also provided on one side of the first stepped shaft 27 and the second stepped shaft 29.

[0033] Advantageously, the end cover assembly includes a connecting plate 33, an inner fixing ring 31 is arranged inside the connecting plate 33, a bearing mounting block 51 is arranged at the bottom of the connecting plate 33, a top bearing 52 is mounted in the bearing mounting block 51, the inner ring of the top bearing 52 is abutted against the lower side of the inner fixing ring 31, the inner ring of the top bearing 52 is sleeved on the outer surface of the first stepped shaft 27, the inner ring of the top bearing 52 is abutted against one side of the intermediate rotating shaft 26, and the second stepped shaft 29 rotates through the top bearing 52 and the connecting plate 33.

[0034] Advantageously, the connection plate 33 is mounted on the top side of the top cover 12 , and the end cover assembly can be mounted on the top cover 12 by providing a second through hole in the connection plate 33 , installing a third bolt in the second through hole and threadedly engaging with the top cover 12 .

[0035] The reducer is implemented by installing a motor on one side of the mounting plate 15, and connecting the output shaft of the motor to the worm shaft 35 through a keyway and a key or a coupling. After the worm shaft 35 drives the worm 34 to rotate, the intermediate shaft 26 is driven to rotate through the meshing of the worm 34 and the worm wheel 28, so that the intermediate shaft 26 drives the second stepped shaft 29 to output power outward.

[0036] When installing the reducer, the flange assembly is modularized. The flange cylinder 14 and the mounting plate 15 can be pre-installed on one side of the fixed seat 22 according to the size of the mounting plate 15 to be installed to form a modular installation; then the bearing seat assembly is also modularized. After the worm shaft 35 passes through the inner hole 36 of the box body, the first bearing seat 25, the bearing seat assembly and the flange assembly can be respectively installed on both sides of the worm shaft 35, which makes installation more convenient.

[0037] At the same time, the second bearing seat 53, the end cover assembly, the intermediate shaft 26, the first stepped shaft 27 and the second stepped shaft 29 can also be used to achieve convenient installation of the intermediate shaft 26 so that it can be stably transmitted in the box body 13.

[0038] The above are only specific implementations of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.

Claims

1. A speed reducer that is easy to install, comprising a housing (13), a top cover (12) being arranged on the top of the housing (13), a worm shaft (35) being arranged inside the housing (13), a worm (34) being arranged on the outer surface of the worm shaft (35), an intermediate shaft (26) being arranged on one side of the worm shaft (35), a worm wheel (28) being arranged on the outer surface of the intermediate shaft (26), the worm wheel (28) being arranged in meshing engagement with the worm (34), characterized in that: The worm shaft (35) is rotatably mounted in the housing (13) via an end cover device, and the intermediate shaft (26) is rotatably mounted in the housing (13) and the top cover (12) via a rotating device. An inner hole (36) is provided in the housing (13), and the diameter of the inner hole (36) is greater than the maximum diameter of the worm (34).

2. A reducer that is easy to install according to claim 1, characterized in that: The end cover device comprises a first bearing seat (25) arranged on one side of the inner hole (36) of the housing body, the worm shaft (35) rotates through the first bearing seat (25), a flange assembly for easy disassembly and installation is arranged on one side of the inner hole (36) of the housing body, and a bearing seat assembly for rotating the other side of the worm shaft (35) is also arranged on the housing body (13).

3. A reducer that is easy to install according to claim 2, characterized in that: The flange assembly comprises a fixing seat (22), the fixing seat (22) being mounted on one side of the housing (13), the worm shaft (35) rotatably passing through the fixing seat (22), and a flange being mounted on one side of the fixing seat (22).

4. A reducer that is easy to install according to claim 3, characterized in that: The flange comprises a flange cylinder (14), and a mounting plate (15) is arranged on one side of the flange cylinder (14).

5. A speed reducer that is easy to install according to claim 2, characterized in that: The bearing seat assembly comprises a mounting cylinder (42) arranged on one side of the housing (13), a bearing end cover (45) being installed on one side of the mounting cylinder (42), an end stepped shaft (41) being arranged on one side of the worm shaft (35), and a rotating bearing (43) being sleeved on the outer surface of the end stepped shaft (41).

6. A speed reducer that is easy to install according to claim 5, characterized in that: A through hole is provided in the installation cylinder (42), and the diameter of the through hole is larger than the maximum diameter of the worm (34).

7. A speed reducer that is easy to install according to any one of claims 1 to 6, characterized in that: The rotating device comprises a first stepped shaft (27) arranged on the outer surface of the intermediate rotating shaft (26), a second stepped shaft (29) being arranged on one side of the first stepped shaft (27), and an end cover assembly for matingly connecting with the top cover (12) being arranged on one side of the first stepped shaft (27) and the second stepped shaft (29).

8. A speed reducer that is easy to install according to claim 7, characterized in that: The end cover assembly comprises a connecting plate (33), an inner fixing ring (31) is arranged inside the connecting plate (33), a bearing mounting block (51) is arranged at the bottom of the connecting plate (33), a top bearing (52) is installed in the bearing mounting block (51), and the second stepped shaft (29) rotates through the top bearing (52).

9. A speed reducer that is easy to install according to claim 8, characterized in that: The connection plate (33) is mounted on the top side of the top cover (12).

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