Connecting structure of square roller body and roller cover

By setting a fixed connection between the inverted "eight" inclined plate and the joint bolt assembly between the drum cylinder and the cylinder cover, the problem of bolt loosening and falling off is solved, and the sealing effect is improved.

CN223240146UActive Publication Date: 2025-08-19LUOYANG XINYIDA IND INSTALLATIONS CO LTD
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Patent Information

Application Number
CN202422582898.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-25
Publication Date
2025-08-19
Estimated Expiration
2034-10-25

AI Technical Summary

Technical Problem

The connecting structure between the existing drum cylinder and the cylinder cover is likely to cause the fastening bolts to loosen and fall off during rotation, affecting the sealing effect.

Method used

The connecting structure between the four-square drum cylinder and the cylinder cover is adopted. By setting an inverted "eight-shaped inclined plate on the sides of the cylinder and the cylinder cover, and using the fixed connection between the joint bolt assembly and the mounting seat, combining the U-shaped groove and the seal, ensuring that the bolts are not easy to fall off when loose.

Benefits of technology

The distance to loosen the nut is extended to ensure that the bolts do not fall off during the zinc seepage process, and the sealing effect of the cylinder cover is improved. The structure is simple and easy to use.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223240146U_ABST
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Abstract

A connecting structure of a square roller body and a roller cover relates to the technical field of zinc impregnation and comprises a square roller body and a roller body cover located on the upper portion of the roller body, a plurality of horizontally-fixed reinforcing plates are arranged on the two side faces of the roller body at intervals from top to bottom, and roller body inclined plates are fixed to the edges of the two sides of the upper end face of the roller body. A plurality of groups of mounting seats are fixed between the cylinder inclined plate and the uppermost reinforcing plate and at the lower parts of the two ends of the cylinder, cover inclined plates are fixed at the edges of the two sides of the cylinder cover, the cover inclined plates and the cylinder inclined plates are in an inverted splayed shape, and a plurality of groups of eyelet bolt assemblies are arranged at the two ends of the cylinder cover and on the cover inclined plates and are fixedly connected with the plurality of groups of mounting seats respectively; the cylinder cover is simple in structure and convenient to use, and the sealing effect of the cylinder cover is improved while the bolt is prevented from falling off.
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Description

Technical Field

[0001] The utility model relates to the technical field of zinc infiltration, in particular to a connection structure between a square drum body and a drum cover. Background Art

[0002] As is known, sherardizing is mainly used to improve the corrosion resistance of steel materials in the atmosphere and natural water environment; when in use, the drum is usually placed in the furnace body, and the workpiece to be sherardized, zinc powder, adhesive, and permeation aid are loaded into the drum, and when the drum cover is sealed, the fastening bolts are tightened to complete the furnace loading; the edges of the existing drum body and drum cover are both horizontal. Once the nut on the fastening bolt is loosened during the rotation of the drum body, the bolt will fall off immediately. When the bolt falls off, the sealing effect of the drum cover is greatly weakened; therefore, it has become a basic demand of those skilled in the art to propose a connection structure between the drum body and the drum cover with connecting bolts that are not easy to fall off. Summary of the Invention

[0003] In order to overcome the deficiencies in the background technology, the utility model discloses a connection structure between a square drum body and a drum cover.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solutions:

[0005] A connection structure between a square drum body and a drum cover comprises a square drum body and a drum cover located on the upper part of the drum body. A plurality of horizontally fixed reinforcing plates are arranged on both side surfaces of the drum body from top to bottom. Drum inclined plates are fixed at both side edges of the upper end surface of the drum body. A plurality of mounting seats are fixed between the drum inclined plates and the reinforcing plates located at the uppermost part and at the lower parts of both ends of the drum body. Cover inclined plates are fixed at both side edges of the drum cover. The cover inclined plates and the drum inclined plates are both in an inverted "eight" shape. A plurality of movable bolt assemblies are provided at both ends of the drum cover and on the cover inclined plates, which are respectively fixedly connected to the plurality of mounting seats.

[0006] The connection structure between the square drum body and the drum cover is provided with U-shaped grooves on the cover body inclined plate, the drum body inclined plate, the two ends of the drum body and the corresponding mounting seats at both ends of the drum cover. The movable bolts of the movable bolt assembly are all arranged in the U-shaped grooves. The upper parts of the movable bolts are respectively locked on the cover body inclined plate and the two ends of the drum cover by nuts, and the lower parts of the movable bolts are fixed to the mounting seats by pins.

[0007] The connection structure between the square drum body and the drum cover, the mounting seat includes two vertical plates arranged at intervals, corresponding through holes are opened on the two vertical plates, the pin shaft passes through the through holes on the vertical plates and the connecting hole at the lower end of the movable bolt, and is fixed by the cotter pin on the pin shaft.

[0008] The connection structure between the square drum body and the drum cover is provided with two square grooves from the outside to the inside on the fastening surfaces of the drum body and the drum cover, and sealing members are fixed in the grooves.

[0009] Due to the adoption of the above technical solution, the utility model has the following beneficial effects:

[0010] The connection structure between the cylinder body and the cylinder cover of the square drum described in the utility model is achieved by fixing the cylinder body inclined plates at the two side edges of the upper end face of the cylinder body and fixing the cover body inclined plates at the two side edges of the cylinder cover, and the inverted "eight"-shaped inclined plates on both sides are fixedly connected by a movable bolt assembly. Even if the nut is loose, the bolt will not fall out immediately. Due to the obstruction of the inclined surface, the loosening distance of the nut is extended, which is sufficient to complete a zinc infiltration process. The utility model has a simple structure and is easy to use. While preventing the bolt from falling out, it improves the sealing effect of the cylinder cover. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural diagram of the present utility model.

[0012] In the figure: 1. Cylinder cover; 2. Joint bolt assembly; 3. U-shaped groove; 4. Vertical plate; 5. Cover inclined plate; 6. Cylinder inclined plate; 7. Reinforcement plate; 8. Cylinder. DETAILED DESCRIPTION

[0013] The present invention will be explained in detail through the following embodiments. The purpose of disclosing the present invention is to protect all technical improvements within the scope of the present invention.

[0014] Combined with attachment Figure 1 The connection structure between the square drum body and the drum cover comprises a square drum body 8 and a drum cover 1 located on the upper part of the drum body 8. A plurality of horizontally fixed reinforcing plates 7 are provided on both sides of the drum body 8 from top to bottom. A drum inclined plate 6 is fixed to both sides of the upper end face of the drum body 8. Between the drum inclined plate 6 and the reinforcing plate 7 located at the top, multiple sets of mounting seats are fixed to the lower parts of both ends of the drum body 8. A cover inclined plate 5 is fixed to both sides of the drum cover 1. The cover inclined plate 5 and the drum inclined plate 6 are both in an inverted "eight" shape. Multiple sets of movable bolt assemblies are provided at both ends of the drum cover 1 and on the cover inclined plate 5. 2 are fixedly connected to multiple groups of mounting seats respectively; U-shaped grooves 3 are provided at the corresponding mounting seats at both ends of the cover body inclined plate 5, the cylinder body inclined plate 6, the cylinder body 8 and the cylinder body cover 1, and the swing bolts of the swing bolt assembly 2 are all arranged in the U-shaped grooves 3, and the upper parts of the swing bolts are respectively locked on the upper ends of the cover body inclined plate 5 and the cylinder body cover 1 by nuts, and the lower parts of the swing bolts are fixed to the mounting seats by pins; the mounting seats each include two spaced-apart vertical plates 4, corresponding through holes are provided on the two vertical plates 4, the pins pass through the through holes on the vertical plates 4 and the connecting holes at the lower ends of the swing bolts, and are fixed by cotter pins on the pins.

[0015] Furthermore, two square grooves are provided on the fastening surfaces of the cylinder body 8 and the cylinder body cover 1 from the outside to the inside, and sealing members are fixed in the grooves.

[0016] Implementation of the connection structure of the square drum cylinder and the cylinder cover of the utility model, during installation, the cover inclined plate 5 and the cylinder inclined plate 6 are respectively welded to the cylinder cover 1 and the two sides of the cylinder 8, the cylinder cover 1 covers the upper part of the cylinder 8, and is sealed by the sealing members in the square grooves around the cylinder 8. The cover inclined plate 5 and the cylinder inclined plate 6 have the same inclination. After buckling, the cover inclined plate 5 and the opposite surface of the cylinder inclined plate 6 fit together, and the movable bolts of the movable bolt assembly 2 are respectively placed in the U-shaped grooves 3 of the cover inclined plate 5 and the cylinder inclined plate 6. The pin shaft is passed through the through hole on the mounting seat and the connecting hole of the movable bolt, and is fixed with a cotter pin. The upper end of the movable bolt is located at the cover inclined plate 5 and the cylinder inclined plate 6. The upper part of the body inclined plate 5 is locked by nuts to complete the fixation of the cover body inclined plates 5 and the cylinder inclined plates 6 on both sides; and the cylinder cover 1 and the two ends of the cylinder 8 are fixed by the movable bolt assembly 2 to complete the fixation of the entire square drum. When in use, due to the obstruction of the inclined surface, the loosening distance of the nut is extended, and the bolt is effectively prevented from falling off during the process of completing a sherardizing process. After the sherardizing is completed, when the cylinder cover 1 needs to be opened, it is only necessary to unscrew the nut and rotate the movable bolt around the pin shaft on the vertical plate 4 out of the U-shaped groove 3 to complete the disassembly. The utility model has a simple structure and is easy to use. It prevents the bolt from falling off while ensuring the sealing performance.

[0017] The parts not described in detail in this utility model are prior art.

[0018] The embodiments selected herein for the purpose of disclosing the invention of the present utility model are currently considered appropriate. However, it should be understood that the present utility model is intended to include all changes and improvements of the embodiments that fall within the scope of the present concept and utility model.

Claims

1. A connection structure between a square drum body and a drum cover, comprising a square drum body and a drum cover located on the upper part of the drum body, characterized by: A plurality of horizontally fixed reinforcing plates are arranged at intervals from top to bottom on both sides of the cylinder body, and cylinder inclined plates are fixed at both side edges of the upper end surface of the cylinder body. A plurality of mounting seats are fixed between the cylinder inclined plates and the reinforcing plates located at the uppermost part and at the lower parts of both ends of the cylinder body. A cover inclined plate is fixed at both side edges of the cylinder cover, and the cover inclined plate and the cylinder inclined plate are both in an inverted "eight" shape. A plurality of sets of movable bolt assemblies are provided at both ends of the cylinder cover and on the cover inclined plate, which are respectively fixedly connected to the plurality of mounting seats.

2. The connection structure between the square drum body and the drum cover according to claim 1 is characterized by: U-shaped grooves are provided at the corresponding mounting seats at the inclined plate of the cover body, the inclined plate of the cylinder body, both ends of the cylinder body and both ends of the cylinder cover. The swing bolts of the swing bolt assembly are all arranged in the U-shaped grooves. The upper parts of the swing bolts are respectively locked on the inclined plate of the cover body and the two ends of the cylinder cover by nuts, and the lower parts of the swing bolts are fixed to the mounting seats by pins.

3. The connection structure between the square drum body and the drum cover according to claim 2 is characterized by: The mounting base includes two spaced-apart vertical plates with corresponding through holes. The pin passes through the through holes on the vertical plates and the connecting hole at the lower end of the movable bolt, and is fixed by a cotter pin on the pin.

4. The connection structure between the square drum body and the drum cover according to claim 1 is characterized by: Two square grooves are provided on the buckling surface of the cylinder body and the cylinder body cover from the outside to the inside, and sealing members are fixed in the grooves.