Speed reducer for ocean equipment

Abstract

The utility model discloses a speed reducer for ocean equipment, which comprises a box body, a cover plate is detachably arranged on the top of the box body, rotating seats are arranged on the front side and the rear side of the box body, a worm is rotatably arranged in the rotating seats, and a worm gear is meshed with one side of the worm. A cylindrical barrel is arranged at the bottom of the inner side of the box body, an outer side step is arranged on the outer surface of the cylindrical barrel, a rotating bearing is arranged on the outer side of the outer side step in a sleeving mode, the rotating bearing is connected with the worm wheel in a rotating fit mode, and the inner side sealing ring is arranged at the edge of the inner hole. And the inner side sealing ring and the top sealing disc abut against the mounting base, so that the mounting base can be sealed in the rotating process, and the interior of the speed reducer is prevented from being rusted.

Description

Technical Field

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

[0002] The reducer used in marine equipment needs to be sealed. Since the reducer is easily corroded by moisture and salt, it is easy to rust. The disadvantage of the existing reducer used in marine equipment is that the protection performance of the output shaft of the reducer is poor, which makes it easy for moisture in the external space to invade the output shaft of the reducer, thereby causing rust around the output shaft 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 for marine equipment, which can solve the above-mentioned problems in the existing technology.

[0004] The utility model is realized through the following technical scheme: a reducer for marine equipment of the utility model comprises a casing, a cover plate is detachably installed on the top of the casing, a rotating seat is arranged on the front and rear sides of the casing, a worm is rotatably arranged in the rotating seat, a worm wheel is meshedly arranged on one side of the worm wheel, and the utility model is characterized in that a mounting seat is arranged on the top of the worm wheel, a cylindrical body is arranged on the bottom inner side of the casing, an outer step is arranged on the outer surface of the cylindrical body, a rotating bearing is sleeved on the outer side of the outer step, the rotating bearing is rotatably connected with the worm wheel, a limiting device is arranged on the outer surface of the cylindrical body for pressing the rotating bearing against one side of the outer step, and a sealing device is arranged between the cylindrical body and the cover plate to seal both sides of the mounting seat.

[0005] According to a further technical solution, an input shaft is provided on one side of the worm, and an input hole is provided in the input shaft.

[0006] According to a further technical solution, the limiting device comprises a shell, the cylindrical body is hollow, an abutting inner cavity is arranged in the shell, and the cylindrical body is clamped to the inner side of the abutting inner cavity.

[0007] According to a further technical solution, the bottom of the housing is arranged to abut against the upper side of the inner ring of the rotating bearing.

[0008] According to a further technical solution, a connecting ring block is provided on the top of the shell, and a plurality of stepped holes are provided in the connecting ring block.

[0009] According to a further technical solution, the sealing device includes an inner hole arranged in the cover plate, an inner sealing ring is arranged to abut against the inner circle of the inner hole, a step groove is arranged in the inner sealing ring, the step groove is clamped to the edge portion of the inner hole, and the top of the mounting seat is arranged to abut against the inner sealing ring.

[0010] According to a further technical solution, a plurality of clamping grooves are arranged on the top of the connecting ring block, and the connecting ring block also includes an intermediate sealing cylinder, a top sealing disk is arranged on the top of the intermediate sealing cylinder, and the intermediate sealing cylinder abuts against the inner end wall of the cylindrical cylinder.

[0011] According to a further technical solution, a groove is provided at the bottom of the top sealing disk, the groove abuts against one side of the connecting ring block, a plurality of protrusions are provided in the groove, and the protrusions are arranged to abut against the engaging grooves.

[0012] The beneficial effects of the utility model are as follows: 1. By setting up the structure of a shell, an abutting inner cavity, a cylindrical body, an outer step, a rotating bearing, a worm gear and a mounting seat, it is convenient to carry out detachable installation of the rotating bearing and the worm gear, and the shell can fully limit the inner ring of the rotating bearing so that the worm gear can rotate on one side of the rotating bearing; and the shell is then matched and connected with the top sealing disk, and the top sealing disk is used to cover the top of the connecting ring block, and the middle sealing tube is used to cover the inner wall of the cylindrical body to prevent water from entering; at the same time, the inner sealing ring is arranged at the edge of the inner hole, and the inner sealing ring and the top sealing disk are set against the mounting seat, so that the mounting seat can also be sealed during the rotation process to avoid rust inside the reducer. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] For ease of explanation, the present invention is described in detail by the following specific embodiments and drawings.

[0014] Figure 1 This is a schematic diagram of the overall structure of a reducer for marine equipment of the utility model;

[0015] Figure 2 for Figure 1 Schematic diagram of the cross-section structure of the medium reducer;

[0016] Figure 3 for Figure 2 Schematic diagram at A in the middle;

[0017] Figure 4 for Figure 3 A schematic diagram of the structure of the middle shell;

[0018] Figure 5 for Figure 3 A schematic diagram of the structure of the middle top sealing disk;

[0019] In the figure, the box body 11, the input hole 12, the input shaft 13, the rotating seat 14, the cover plate 15, the mounting seat 16, the inner sealing ring 17, the middle sealing cylinder 18, the top sealing disk 19, the worm 22, the step groove 23, the inner hole 24, the groove 25, the shell 26, the abutting inner cavity 27, the cylindrical body 28, the outer step 29, the rotating bearing 31, the worm wheel 32, the connecting ring block 33, the clamping groove 34, the stepped hole 35, and the protrusion 36. DETAILED DESCRIPTION

[0020] like Figure 1-Figure 5 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 for marine equipment, including a housing 11, a cover plate 15 is detachably installed on the top of the housing 11, a rotating seat 14 is arranged on the front and rear sides of the housing 11, a worm 22 is arranged to rotate in the rotating seat 14, a worm wheel 32 is meshed with one side of the worm 22, a mounting seat 16 is arranged on the top of the worm wheel 32, a cylindrical body 28 is arranged on the bottom of the inner side of the housing 11, an outer step 29 is arranged on the outer surface of the cylindrical body 28, a rotating bearing 31 is sleeved on the outer side of the outer step 29, the rotating bearing 31 is rotatably connected with the worm wheel 32, a limiting device for pressing the rotating bearing 31 against one side of the outer step 29 is arranged on the outer surface of the cylindrical body 28, the cylindrical body 28 is hollow, and a sealing device is arranged between the cylindrical body 28 and the cover plate 15 to seal both sides of the mounting seat 16.

[0021] Advantageously, the inner ring of the rotating bearing 31 is disposed on the outer step 29 , and the outer ring of the rotating bearing 31 is disposed against the worm wheel 32 .

[0022] Advantageously, an input shaft 13 is disposed on one side of the worm 22 , and an input hole 12 is disposed in the input shaft 13 . The input hole 12 is used to connect to an input motor in an external space to realize a transmission function.

[0023] Advantageously, the limiting device includes a housing 26 , in which an abutting inner cavity 27 is provided, a cylindrical body 28 is clamped on the inner side of the abutting inner cavity 27 , and a bottom of the housing 26 is abutted against an upper side of an inner ring of the rotating bearing 31 .

[0024] Advantageously, a connecting ring block 33 is disposed on the top of the shell 26 , and a plurality of stepped holes 35 are disposed in the connecting ring block 33 . Bolts can be disposed in the stepped holes 35 and then connected and fixed to the cylindrical body 28 by threaded cooperation with the bolts.

[0025] Advantageously, the sealing device includes an inner hole 24 arranged in the cover plate 15, an inner sealing ring 17 is arranged to abut against the inner circle of the inner hole 24, a step groove 23 is arranged in the inner sealing ring 17, the step groove 23 is clamped on the edge portion of the inner hole 24, and the top of the mounting seat 16 is arranged to abut against the inner sealing ring 17.

[0026] Advantageously, the connecting ring block 33 is further provided with a plurality of snap-in grooves 34 on the top thereof, and also includes an intermediate sealing cylinder 18, a top sealing disk 19 being provided on the top of the intermediate sealing cylinder 18, the intermediate sealing cylinder 18 being abutted against the inner end wall of the cylindrical body 28, a groove 25 being provided at the bottom of the top sealing disk 19, the groove 25 being abutted against one side of the connecting ring block 33, a plurality of protrusions 36 being provided in the groove 25, the protrusions 36 being snap-fitted and abutted against the snap-in grooves 34.

[0027] The inner sealing ring 17, the top sealing disk 19 and the middle sealing cylinder 18 are made of rubber material and play a sealing role. The inner sealing ring 17 and the top sealing disk 19 are set against the mounting seat 16, so that the worm wheel 32 and the mounting seat 16 can be sealed after rotation.

[0028] The reducer cover 15 can be disassembled from the housing 11 for easy installation and maintenance; after removing the top sealing disk 19 and the middle sealing cylinder 18, the housing 26 can be disassembled from one side of the cylindrical body 28 to facilitate separation of the rotating bearing 31 and the worm gear 32.

[0029] After one side of the input hole 12 is connected to the output shaft of the motor, the worm 22 rotates to drive the worm wheel 32 to rotate, so that the mounting seat 16 can be rotated. A plurality of threaded holes are provided in the mounting seat 16, which can be used to connect with the device in the external space to realize the function of power output.

[0030] 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 for marine equipment, comprising a housing (11), a cover plate (15) being detachably mounted on the top of the housing (11), a rotating seat (14) being arranged at the front and rear sides of the housing (11), a worm (22) being arranged to rotate in the rotating seat (14), a worm wheel (32) being meshed with one side of the worm (22), characterized in that: A mounting seat (16) is arranged on the top of the worm gear (32); a cylindrical body (28) is arranged on the bottom of the inner side of the housing (11); an outer step (29) is arranged on the outer surface of the cylindrical body (28); a rotating bearing (31) is sleeved on the outer side of the outer step (29); the rotating bearing (31) is rotatably connected with the worm gear (32); a limiting device for pressing the rotating bearing (31) against one side of the outer step (29) is arranged on the outer surface of the cylindrical body (28); and a sealing device is arranged between the cylindrical body (28) and the cover plate (15) to seal both sides of the mounting seat (16).

2. A reducer for marine equipment according to claim 1, characterized in that: An input shaft (13) is provided on one side of the worm (22), and an input hole (12) is provided in the input shaft (13).

3. A reducer for marine equipment according to claim 1, characterized in that: The limiting device comprises a shell (26), the cylindrical body (28) is hollow, an abutting inner cavity (27) is arranged in the shell (26), and the cylindrical body (28) is clamped on the inner side of the abutting inner cavity (27).

4. A reducer for marine equipment according to claim 3, characterized in that: The bottom of the housing (26) is disposed against the upper side of the inner ring of the rotary bearing (31).

5. A reducer for marine equipment according to claim 3, characterized in that: A connecting ring block (33) is arranged on the top of the shell (26), and a plurality of stepped holes (35) are arranged in the connecting ring block (33).

6. A reducer for marine equipment according to claim 5, characterized in that: The sealing device comprises an inner hole (24) arranged in the cover plate (15), an inner sealing ring (17) is arranged to abut against the inner ring of the inner hole (24), a step groove (23) is arranged in the inner sealing ring (17), the step groove (23) is clamped to the edge portion of the inner hole (24), and the top of the mounting seat (16) is arranged to abut against the inner sealing ring (17).

7. A reducer for marine equipment according to claim 5, characterized in that: The connecting ring block (33) is also provided with a plurality of snap-in grooves (34) at the top, and also includes an intermediate sealing cylinder (18). A top sealing disk (19) is provided at the top of the intermediate sealing cylinder (18), and the intermediate sealing cylinder (18) abuts against the inner end wall of the cylindrical body (28).

8. A reducer for marine equipment according to claim 7, characterized in that: A groove (25) is provided at the bottom of the top sealing disk (19), the groove (25) abuts against one side of the connecting ring block (33), a plurality of protrusions (36) are provided in the groove (25), and the protrusions (36) are clamped and abutted against the clamping grooves (34).

Images