Speed reducer box body with corrosion-resistant structural layer
By using corrosion-resistant components and sealing gaskets on the connecting screws and nuts of the reducer chassis, the problem of bolts being easily corroded in the prior art is solved, achieving higher corrosion resistance and convenient disassembly and assembly and maintenance.
Patent Information
- Application Number
- CN202421346726.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-13
- Publication Date
- 2025-01-14
- Estimated Expiration
- 2034-06-13
AI Technical Summary
The ends of the connecting bolts of the existing reducer chassis lack protection, which is prone to rust, corrosion and damage, resulting in inconvenient disassembly and assembly and maintenance.
Corrosion-resistant components include corrosion-resistant shells and corrosion-resistant covers, which are stuck on the top and outside of the connecting screws and nuts, and are sealed through outer and inner gaskets to prevent corrosion from entering, while using positioning pins and positioning holes. Quickly spliced and fixed.
It effectively prevents corrosion of the connecting screws and nuts, improves the corrosion resistance of the reducer case, and simplifies the disassembly and assembly and installation process.
Smart Images
Figure CN222351391U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of reducer housings, in particular to a reducer housing with a corrosion-resistant structural layer. Background Art
[0002] At present, the reducer plays the role of matching the rotation speed and transmitting the torque between the prime mover and the working machine or the actuator, wherein the reducer housing is the bearing component of the reducer actuator.
[0003] During use of the existing reducer housing, the various components of the reducer housing are fixed together by bolts. Since the ends of the bolts cannot be protected, they are prone to rust, corrosion and damage, making the reducer housing inconvenient to disassemble and maintain. Therefore, for the sake of technological progress in the industry, better realize the protection function of the reducer housing connecting bolts and improve the competitiveness of core technologies, the present application proposes a new implementation scheme that is different from the reducer housing structure in the prior art. Utility Model Content
[0004] The utility model aims to solve the problem that the ends of the connecting bolts of the existing reducer housing cannot be protected, making them easy to rust, corrode and damage, resulting in the reducer housing being inconvenient to disassemble and maintain, and proposes a reducer housing with a corrosion-resistant structural layer.
[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:
[0006] A reducer case with a corrosion-resistant structural layer comprises a lower casing, a middle casing and an upper casing, wherein a plurality of connecting screws are inserted through the lower casing, the middle casing and the upper casing, and a connecting nut is provided on a threaded sleeve at the bottom end of the connecting screw. A plurality of corrosion-resistant components are provided on the bottom of the lower casing and the top of the upper casing and cover the top end of the connecting screw and the outside of the connecting nut. The corrosion-resistant components comprise a corrosion-resistant shell, and the plurality of corrosion-resistant shells are respectively stuck on the top end of the connecting screw and the outside of the connecting nut. An outer sealing gasket is bonded to one end of the corrosion-resistant shell, and an inner sealing gasket is bonded to the other end of the corrosion-resistant shell. A corrosion-resistant cover is provided on a threaded sleeve at the bottom end of the corrosion-resistant shell.
[0007] Furthermore, both side outer walls of the lower housing are fixedly connected with connecting seats.
[0008] Furthermore, two supporting ribs are fixedly connected to the connecting seat.
[0009] Furthermore, the top and bottom of the middle casing are fixedly connected with a plurality of positioning pins.
[0010] Furthermore, the bottom of the upper housing and the top of the lower housing are both provided with a plurality of positioning holes, and the positioning pins are plugged into the positioning holes.
[0011] The beneficial effects of the utility model are:
[0012] 1. By clamping the corrosion-resistant component at the top of the connecting screw and the outside of the connecting nut, the top of the connecting screw and the outside of the connecting nut are protected by the corrosion-resistant shell and the corrosion-resistant cover, thereby avoiding corrosion to the top of the connecting screw and the connecting nut.
[0013] 2. The corrosion-resistant shell is sealed with the lower shell and the upper shell by an external sealing gasket, and the corrosion-resistant shell and the corrosion-resistant cover are sealed by an internal sealing gasket, thereby preventing rainwater from entering the corrosion-resistant shell and improving the corrosion resistance of the connecting screws and connecting nuts.
[0014] 3. Connect the lower housing, middle housing and upper housing together by inserting the positioning pins and the positioning holes. Then, pass the connecting screws through the lower housing, middle housing and upper housing, and tighten the connecting nuts to fix the lower housing, middle housing and upper housing, so as to quickly install the reducer housing. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a three-dimensional structural schematic diagram of a reducer housing with a corrosion-resistant structural layer proposed by the utility model;
[0016] Figure 2 This is a schematic diagram of a partial inclined cross-sectional structure of a reducer housing with a corrosion-resistant structural layer proposed by the utility model;
[0017] Figure 3 This is a partial cross-sectional structural schematic diagram of a reducer housing with a corrosion-resistant structural layer proposed by the utility model;
[0018] Figure 4 This is a schematic diagram of the explosive separation structure of a reducer housing with a corrosion-resistant structural layer proposed by the utility model.
[0019] In the figure: 1. lower casing; 2. middle casing; 3. upper casing; 4. connecting screws; 401. connecting nuts; 5. corrosion-resistant components; 501. corrosion-resistant casing; 502. outer sealing gasket; 503. corrosion-resistant cover; 504. inner sealing gasket; 6. connecting seat; 7. supporting ribs; 8. positioning pins; 9. positioning holes. DETAILED DESCRIPTION
[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.
[0021] Reference Figure 1-Figure 4A reducer housing with a corrosion-resistant structural layer includes a lower housing 1, a middle housing 2 and an upper housing 3. A plurality of connecting screws 4 are inserted and connected between the lower housing 1, the middle housing 2 and the upper housing 3. The bottom end thread sleeve of the connecting screw 4 is provided with a connecting nut 401. The connecting screw 4 is passed through the lower housing 1, the middle housing 2 and the upper housing 3, and then the connecting nut 401 is tightened to fix the lower housing 1, the middle housing 2 and the upper housing 3. A plurality of corrosion-resistant components 5 are provided at the bottom of the lower housing 1 and the top of the upper housing 3 and are covered at the top of the connecting screw 4 and the outside of the connecting nut 401. The corrosion-resistant component 5 includes a corrosion-resistant shell 501. The plurality of corrosion-resistant shells 501 are respectively stuck at the top of the connecting screw 4 and the outside of the connecting nut 401. One end of the corrosion-resistant shell 501 is bonded with An outer sealing gasket 502 is used to seal the corrosion-resistant shell 501 with the lower shell 1 and the upper shell 3. An inner sealing gasket 504 is bonded to the other end of the corrosion-resistant shell 501. A corrosion-resistant cover 503 is provided on the threaded sleeve at the bottom end of the corrosion-resistant shell 501. The corrosion-resistant component 5 is clamped on the top of the connecting screw 4 and the outside of the connecting nut 401, so that the top of the connecting screw 4 and the outside of the connecting nut 401 are protected by the corrosion-resistant shell 501 and the corrosion-resistant cover 503, thereby avoiding corrosion to the top of the connecting screw 4 and the connecting nut 401. The corrosion-resistant shell 501 and the corrosion-resistant cover 503 can be made of stainless steel metal, and an epoxy resin paint layer is sprayed on the outer side thereof. Both the stainless steel metal and the epoxy resin paint layer can play an anti-corrosion role.
[0022] The outer walls on both sides of the lower casing 1 are fixed with connecting seats 6 by bolts, so as to facilitate the fixed installation of the reducer case. Two supporting ribs 7 are welded on the connecting seats 6 to improve the firmness of the connecting seats 6. A plurality of locating pins 8 are welded on the top and bottom of the middle casing 2. A plurality of locating holes 9 are provided at the bottom of the upper casing 3 and the top of the lower casing 1. The locating pins 8 are plugged into the locating holes 9. The lower casing 1, the middle casing 2 and the upper casing 3 are spliced together by plugging the locating pins 8 into the locating holes 9.
[0023] The working principle of this embodiment: when in use, first, the lower shell 1, the middle shell 2, and the upper shell 3 are spliced together by plugging the positioning pins 8 into the positioning holes 9, and then, the connecting screws 4 are passed through the lower shell 1, the middle shell 2, and the upper shell 3, and then the connecting nuts 401 are tightened to fix the lower shell 1, the middle shell 2, and the upper shell 3, and then, the corrosion-resistant component 5 is clamped on the top of the connecting screw 4 and the outside of the connecting nut 401, so that the top of the connecting screw 4 and the outside of the connecting nut 401 are protected by the corrosion-resistant shell 501 and the corrosion-resistant cover 503, thereby avoiding corrosion to the top of the connecting screw 4 and the connecting nut 401.
[0024] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.
Claims
1. A reducer housing with a corrosion-resistant structural layer, comprising a lower housing (1), a middle housing (2) and an upper housing (3), wherein a plurality of connecting screws (4) are inserted through the lower housing (1), the middle housing (2) and the upper housing (3), and a connecting nut (401) is threadedly sleeved on the bottom end of the connecting screw (4), characterized in that: The bottom of the lower housing (1) and the top of the upper housing (3) are both provided with a plurality of corrosion-resistant components (5) which cover the top of the connecting screw (4) and the outside of the connecting nut (401); the corrosion-resistant components (5) include a corrosion-resistant shell (501); the plurality of corrosion-resistant shells (501) are respectively clamped on the top of the connecting screw (4) and the outside of the connecting nut (401); an outer sealing gasket (502) is bonded to one end of the corrosion-resistant shell (501); an inner sealing gasket (504) is bonded to the other end of the corrosion-resistant shell (501); and a corrosion-resistant cover (503) is threadedly sleeved on the bottom end of the corrosion-resistant shell (501).
2. The reducer housing with a corrosion-resistant structural layer according to claim 1, characterized in that: The outer walls on both sides of the lower casing (1) are fixedly connected with connecting seats (6).
3. The reducer housing with a corrosion-resistant structural layer according to claim 2, characterized in that: Two supporting ribs (7) are fixedly connected to the connecting seat (6).
4. The reducer housing with a corrosion-resistant structural layer according to claim 1, characterized in that: The top and bottom of the middle casing (2) are both fixedly connected with a plurality of positioning pins (8).
5. The reducer housing with a corrosion-resistant structural layer according to claim 4, characterized in that: The bottom of the upper housing (3) and the top of the lower housing (1) are both provided with a plurality of positioning holes (9), and the positioning pins (8) are plugged into the positioning holes (9).