Corrosion-resistant speed reducer assembly
By designing the ring structure of the bracket, connecting device and sector-shaped cylinder in the reducer assembly, the problem of poor isolation effect of the existing corrosion-resistant reducer near the output shaft is solved, and better corrosion resistance and convenient installation and disassembly are achieved.
Patent Information
- Application Number
- CN202421719565.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-17
- Publication Date
- 2025-04-25
- Estimated Expiration
- 2034-07-17
AI Technical Summary
The existing corrosion-resistant reducers have poor isolation effect near the output shaft, and the corrosion-resistant media is prone to flow in along the output shaft, resulting in damage to the reducer.
A corrosion-resistant reducer assembly is designed. By setting a bracket at the bottom of the reducer and setting a connection device between the bracket and the reducer, four top plates, vertical plates and sector-shaped cylinders are arranged on the top to form a complete circular ring structure, and the output shaft passes through the sector-shaped cylinder to avoid the entry of easily corrosive substances.
It effectively avoids external corrosive substances entering the reducer along the output shaft, improves corrosion resistance, and facilitates disassembly and installation.
Smart Images

Figure CN222798083U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of reducer equipment, in particular to a corrosion-resistant reducer component. Background Art
[0002] For corrosion-resistant modification of reducers, most of them isolate the corrosive substances from the reducer. Since some industrial reducers are exposed to some easily corrosive substances during production activities, if the reducer is in direct contact, it will cause damage to the reducer. In this regard, people have conducted a lot of research to overcome this technical problem. The disadvantage of existing corrosion-resistant reducers is that the corrosion-resistant isolation near the output shaft of the reducer is poor, and the easily corrosive medium can easily flow into the vicinity of the reducer along the output shaft. Therefore, it is very urgent to solve this problem. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a corrosion-resistant reducer component, which can solve the above-mentioned problems in the existing technology.
[0004] The utility model is realized through the following technical scheme: a corrosion-resistant reducer assembly of the utility model includes a reducer, an output shaft is arranged on the reducer, and is characterized in that a bracket is arranged at the bottom of the reducer, a connecting device is arranged between the reducer and the bracket, four top plates are arranged at the top of the bracket, a vertical plate is arranged at the bottom of the top plate, a joint assembly is arranged between the four top plates, a clamping assembly for connecting the vertical plates is arranged at the top of the bracket, a fan-shaped cylinder is arranged at the top of the top plate, and the output shaft rotates through the fan-shaped cylinder.
[0005] According to a further technical solution, a first slot is provided in the fan-shaped cylinder, a chamfer is provided on the top of the fan-shaped cylinder, and the fan-shaped cylinders, the first slot and the chamfer on the upper sides of the four top plates form a circular ring.
[0006] According to a further technical solution, a rubber ring is clamped in the first clamping groove, and the rubber ring is used to tighten and fix the sector-shaped cylinders.
[0007] According to a further technical solution, the joint assembly includes a joint block and a clamping groove arranged at the edge of the top plate, and the clamping groove and the joint block between the four top plates are arranged to abut against each other.
[0008] According to a further technical solution, the snap-in assembly includes a snap-in block arranged on one side of the vertical plate, a plurality of matching seats are arranged on the top of the bracket, sockets are arranged in the matching seats, and the snap-in block is inserted into the sockets.
[0009] According to a further technical solution, the mating seat bodies are arranged at the four corners of the bracket, and the mating seat bodies located at the four corners of the bracket are arranged in pairs.
[0010] According to a further technical solution, the connecting device includes a plurality of internally threaded barrels arranged at the bottom of the reducer, the internally threaded barrels pass through the bracket, the internally threaded barrels are connected with bolts in cooperation with the internal threads, and protective components for protecting the bolts and the internally threaded barrels are arranged around the internally threaded barrels and the bolts.
[0011] A further technical solution is that the protection component includes an inner cylinder, a gasket is provided on the top of the inner cylinder, the inner cylinder is sleeved on the outer surface of the internal threaded cylinder, the gasket is abutted between the reducer and the bracket, an outer cylinder is provided on the outside of the inner cylinder, an inner hole is provided in the outer cylinder, the inner cylinder and the bolt are provided in the inner hole, and a slot structure is provided between the outer cylinder and the inner cylinder.
[0012] According to a further technical solution, the slot structure includes a plurality of slide grooves arranged on the outer surface of the inner cylinder, a second slot is arranged on one side of the slide groove, and a plurality of protrusions are arranged in the inner hole of the cylinder, and the protrusions slide through the slide grooves and then are engaged in the second slots.
[0013] The beneficial effects of the utility model are as follows: 1. By setting the top plate, the top of the reducer is shielded, and the complete ring formed by the fan-shaped cylinder can prevent corrosive substances in the external space from entering the reducer along the output shaft after the output shaft rotates through the fan-shaped cylinder.
[0014] 2. Using pads, outer cylinders, bolts and internal threaded cylinders can prevent the bolts and internal threaded cylinders from corrosion and also facilitate disassembly and installation by personnel. 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 corrosion-resistant reducer assembly of the utility model;
[0017] Figure 2 for Figure 1 Schematic diagram at A in the middle;
[0018] Figure 3 for Figure 1 Schematic diagram at B in the middle;
[0019] Figure 4 for Figure 1 Schematic diagram of the internal structure of the reducer;
[0020] Figure 5 for Figure 4 Schematic diagram at C in the middle;
[0021] Figure 6 for Figure 1 Schematic diagram of the structure of the middle reducer from a top view;
[0022] Figure 7 for Figure 6 Schematic diagram at D in the middle;
[0023] Figure 8 for Figure 6 Schematic diagram at E in the middle;
[0024] In the figure, the bracket 11, the vertical plate 12, the top plate 13, the reducer 14, the fan-shaped cylinder 21, the first slot 22, the rubber ring 23, the chamfer 24, the clamping block 31, the matching seat body 32, the socket 33, the output shaft 42, the internal threaded cylinder 51, the cylinder inner hole 52, the bolt 53, the outer cylinder 54, the inner cylinder 55, the cushion block 56, the slide groove 61, the second slot 62, the protrusion 63, the clamping groove 71, and the splicing block 72. DETAILED DESCRIPTION
[0025] like Figure 1-Figure 8 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 corrosion-resistant reducer assembly, including a reducer 14, a worm gear transmission mechanism is arranged in the reducer 14, an output shaft 42 is arranged on the worm wheel, a bracket 11 is arranged at the bottom of the reducer 14, a connecting device is arranged between the reducer 14 and the bracket 11, and a shielding device is arranged on the top of the bracket 11.
[0026] Advantageously, the shielding device includes four top plates 13, two vertical plates 12 perpendicular to each other are arranged at the bottom of the top plates 13, a joint assembly is arranged between the four top plates 13, a fan-shaped cylinder 21 is arranged on the top of the top plate 13, a first card groove 22 is arranged in the fan-shaped cylinder 21, and a chamfer 24 is arranged on the top of the fan-shaped cylinder 21. The fan-shaped cylinder 21, the first card groove 22 and the chamfer 24 on the upper side of the four top plates 13 form a circular structure, and a clamping assembly for connecting the vertical plates 12 is arranged on the top of the bracket 11, and the output shaft 42 rotates through the fan-shaped cylinder 21.
[0027] Advantageously, a rubber ring 23 is clamped in the first clamping groove 22 , and the rubber ring 23 is used to tighten and fix the sector-shaped cylinders 21 .
[0028] Advantageously, the joint assembly includes a joint block 72 and a clamping groove 71 disposed at the edge of the top plate 13 , and the clamping groove 71 and the joint block 72 between the four top plates 13 are disposed against each other.
[0029] Advantageously, the snap-on assembly includes a snap-on block 31 disposed on one side of the vertical plate 12, a plurality of mating seats 32 are disposed on the top of the bracket 11, a socket 33 is disposed in the mating seat 32, the snap-on block 31 is plugged into the socket 33, the mating seat 32 is disposed at the four corners of the bracket 11, and the mating seat 32 located at the four corners of the bracket 11 are disposed in pairs.
[0030] Advantageously, the connecting device includes a plurality of internally threaded barrels 51 disposed at the bottom of the reducer 14, the internally threaded barrels 51 pass through the bracket 11, and the internally threaded barrels 51 are connected with bolts 53 by means of internal thread fitting. The reducer 14 is disposed on the upper side of the bracket 11 by means of the thread fitting connection of the bolts 53 and the internally threaded barrels 51, and protective components are disposed around the internally threaded barrels 51 and the bolts 53 to protect the bolts 53 and the internally threaded barrels 51.
[0031] Advantageously, the protection assembly includes an inner cylinder 55, a gasket 56 is arranged on the top of the inner cylinder 55, the inner cylinder 55 is sleeved on the outer surface of the internal threaded cylinder 51, the gasket 56 is abutted between the reducer 14 and the bracket 11, an outer cylinder 54 is arranged on the outside of the inner cylinder 55, a cylinder inner hole 52 is arranged in the outer cylinder 54, the inner cylinder 55 and the bolt 53 are arranged in the cylinder inner hole 52, and a slot structure is arranged between the outer cylinder 54 and the inner cylinder 55 to facilitate separation of the outer cylinder 54 from the inner cylinder 55.
[0032] Advantageously, the slot structure includes a plurality of slide grooves 61 arranged on the outer surface of the inner cylinder 55, a second slot 62 is arranged on one side of the slide groove 61, and a plurality of protrusions 63 are arranged in the inner hole 52 of the cylinder. The protrusions 63 slide through the slide grooves 61 and then are engaged in the second slots 62, so that the outer cylinder 54 is sleeved on the outer surface of the inner cylinder 55.
[0033] The reducer 14 is of prior art, and the worm gear reduction structure realizes the transmission function; by setting a top plate 13, the top of the reducer 14 is shielded, and the complete ring formed by the fan-shaped cylinder 21 can prevent corrosive substances in the external space from entering the reducer 14 along the output shaft 42 after the output shaft 42 rotates through the fan-shaped cylinder 21.
[0034] When installing the vertical plate 12 and the top plate 13, firstly, the clamping block 31 on one side of the vertical plate 12 is clamped into the socket 33 in the matching seat body 32. Then, the four top plates 13 are spliced and installed through the clamping groove 71 and the splicing block 72, so that the four sector-shaped cylinders 21, the first clamping groove 22 and the chamfer 24 are spliced to form a complete circular structure, and then the rubber ring 23 is sleeved and clamped in the first clamping groove 22 through the inclined surface of the chamfer 24. At this time, the sector-shaped cylinder 21 is sleeved on the outer surface of the output shaft 42, and a flange can be set on the top of the output shaft 42. The diameter of the flange can be set larger than the diameter of the sector-shaped cylinder 21, so as to further prevent the corrosive substances in the external space from entering the reducer 14 along the output shaft 42.
[0035] When installing the gasket 56, the outer cylinder 54, the bolt 53 and the inner threaded cylinder 51, firstly sleeve the inner cylinder 55 and the gasket 56 on the outer surface of the inner threaded cylinder 51, so that the gasket 56 is located between the end faces of the reducer 14 and the bracket 11, and then the bolt 53 is threadedly connected with the inner threaded cylinder 51, and then the outer cylinder 54 is rotated and clamped on the outer surface of the inner cylinder 55. The outer cylinder 54 and the inner cylinder 55 can be made of corrosion-resistant metal materials, such as stainless steel.
[0036] In the specific setting, the diameter of the nut of the bolt 53 can be set to be larger than the diameter of the internal threaded tube 51, and the inner hole 52 of the tube is also adaptively enlarged, so that the nut part of the bolt 53 and the outer tube body 54 can be against the lower side of the bracket 11 to improve the installation stability of the reducer 14.
[0037] 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 corrosion-resistant reducer assembly, comprising a reducer (14), wherein the reducer (14) is provided with an output shaft (42), characterized in that: A bracket (11) is arranged at the bottom of the reducer (14), a connecting device is arranged between the reducer (14) and the bracket (11), four top plates (13) are arranged at the top of the bracket (11), a vertical plate (12) is arranged at the bottom of the top plate (13), a joint assembly is arranged between the four top plates (13), a clamping assembly for connecting the vertical plates (12) is arranged at the top of the bracket (11), a fan-shaped cylinder (21) is arranged at the top of the top plate (13), and the output shaft (42) rotates through the fan-shaped cylinder (21); The splicing assembly comprises a splicing block (72) and a clamping groove (71) arranged at the edge of the top plate (13), and the clamping groove (71) and the splicing block (72) between the four top plates (13) are arranged to abut against each other; The clamping assembly comprises a clamping block (31) arranged on one side of the vertical plate (12); a plurality of matching seats (32) are arranged on the top of the bracket (11); a socket (33) is arranged in the matching seat (32); and the clamping block (31) is inserted into the socket (33).
2. A corrosion-resistant reducer assembly according to claim 1, characterized in that: A first clamping groove (22) is arranged in the sector-shaped cylinder (21), a chamfer (24) is arranged on the top of the sector-shaped cylinder (21), and the sector-shaped cylinders (21), the first clamping groove (22) and the chamfer (24) on the upper side of the four top plates (13) form a circular ring shape.
3. A corrosion-resistant reducer assembly according to claim 2, characterized in that: A rubber ring (23) is clamped in the first clamping groove (22), and the rubber ring (23) is used to tighten and fix the sector-shaped cylinders (21).
4. The corrosion-resistant reducer assembly according to claim 1, characterized in that: The matching seat bodies (32) are arranged at the four corners of the bracket (11), and the matching seat bodies (32) located at the four corners of the bracket (11) are arranged in pairs.
5. A corrosion-resistant reducer assembly according to any one of claims 1 to 4, characterized in that: The connecting device comprises a plurality of internally threaded barrels (51) arranged at the bottom of the reducer (14), wherein the internally threaded barrels (51) pass through the bracket (11), the internally threaded barrels (51) are provided with bolts (53) in a matching manner with the internal threads thereof, and protective components are provided around the internally threaded barrels (51) and the bolts (53) to protect the bolts (53) and the internally threaded barrels (51).
6. A corrosion-resistant reducer assembly according to claim 5, characterized in that: The protection component comprises an inner cylinder (55), a cushion block (56) is arranged on the top of the inner cylinder (55), the inner cylinder (55) is sleeved on the outer surface of the internal threaded cylinder (51), the cushion block (56) is abutted between the reducer (14) and the bracket (11), an outer cylinder (54) is arranged on the outer side of the inner cylinder (55), a cylinder inner hole (52) is arranged in the outer cylinder (54), the inner cylinder (55) and the bolt (53) are arranged in the cylinder inner hole (52), and a slot structure is arranged between the outer cylinder (54) and the inner cylinder (55).
7. A corrosion-resistant reducer assembly according to claim 6, characterized in that: The clamping groove structure comprises a plurality of slide grooves (61) arranged on the outer surface of the inner cylinder (55), a second clamping groove (62) is arranged on one side of the slide groove (61), a plurality of protrusions (63) are arranged in the inner hole (52) of the cylinder, and the protrusions (63) slide through the slide grooves (61) and then clamp into the second clamping grooves (62).