Dustproof carrier roller of conveyor

By combining the design of the pin post and the connector, the dustproof idler roller sealing cover of the conveyor can be easily disassembled and replaced, which solves the problem of complicated operation in the existing technology and improves the equipment maintenance efficiency.

CN224225985UActive Publication Date: 2026-05-12JIANGXI HUAXIN MASCH MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGXI HUAXIN MASCH MFG CO LTD
Filing Date
2025-06-11
Publication Date
2026-05-12

AI Technical Summary

Technical Problem

The existing dustproof idlers of conveyors lack a convenient quick-release structure, which means that tools are needed to replace the sealing cover, making the operation complicated, time-consuming and labor-intensive.

Method used

The design employs a pin and connector structure, allowing for easy disassembly and replacement of the sealing cap with a simple pressing action. It includes quick-release components and a sealing gasket design to ensure a good seal.

Benefits of technology

It simplifies the process of removing the sealing cap, reduces reliance on tools, improves replacement efficiency, and extends the service life of the equipment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of dustproof carrier rollers, and provides a conveyor dustproof carrier roller which comprises a carrier roller shaft, bearings are arranged on the two sides of the outer surface of the carrier roller shaft, a carrier roller body is arranged on the outer surfaces of the two bearings, and sealing covers are movably arranged on the two sides of the carrier roller shaft in a sleeved mode. The two sealing covers are both movably embedded in the carrier roller body, the opposite sides of the two sealing covers are both fixedly provided with two connecting columns, the four connecting columns are all movably embedded in the carrier roller body, and a plurality of plug pin grooves are formed in the carrier roller body. Through the arrangement of the plug pin column and the connecting piece structure, when a person disassembles the sealing cover, only a simple pressing action is needed, the disassembling process is greatly simplified, then the person can disassemble and replace the sealing cover more conveniently, and the trouble that an extra tool needs to be used is avoided.
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Description

Technical Field

[0001] This utility model relates to the field of dustproof idler technology, and in particular to a dustproof idler for a conveyor. Background Technology

[0002] Dustproof idlers are an important component in conveyor belt systems. Their main function is to support the conveyor belt and reduce the friction between the conveyor belt and the support rollers. At the same time, their dustproof design prevents external dust or other particles from entering the idler, thereby improving the efficiency and service life of the conveyor.

[0003] Existing dustproof conveyor idlers typically achieve their dustproof function by fitting a sealing cover inside the idler shaft and fixing or embedding it into both ends of the idler. The purpose of the sealing cover is to prevent external dust and debris from entering the idler, ensuring lubrication during operation and extending its service life. However, this design has a drawback: the lack of a convenient quick-release mechanism. This means that when the sealing cover needs to be replaced, operators must manually remove it, usually requiring tools to pry it open. This process is not only time-consuming and labor-intensive but also complex, increasing the workload of maintenance personnel and leading to increased equipment downtime. Utility Model Content

[0004] The purpose of this invention is to solve the problem that the existing technology lacks a convenient quick-release structure, which means that when the sealing cover needs to be replaced, the operator must manually disassemble it, usually requiring the use of tools to pry open the sealing cover on the idler roller, a process that is too time-consuming and labor-intensive.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a dustproof idler for a conveyor, comprising an idler shaft, bearings on both sides of the outer surface of the idler shaft, an idler body on the outer surface of the two bearings, a sealing cover movably sleeved on both sides of the idler shaft, the two sealing covers movably embedded inside the idler body, two connecting columns fixedly installed on opposite sides of the two sealing covers, four connecting columns movably embedded inside the idler body, multiple pin slots opened inside the idler body, and quick-release components provided inside the four connecting columns.

[0006] In a preferred embodiment, the quick-release assembly includes a connector and a groove, wherein the connector is slidably connected inside the connecting post, and the outer surface of the connector is slidably connected inside the sealing cover.

[0007] The technical effect of adopting the above-mentioned further solution is that it allows the connector to slide inside the sealing cover.

[0008] In a preferred embodiment, a first return spring is fixedly installed on the outer side of the connector, the other end of the first return spring is fixedly installed on the outer surface of the sealing cover, and two first push blocks are fixedly installed on the inner side of the connector.

[0009] The technical effect of adopting the above-mentioned further solution is that the first return spring can be compressed by the connecting piece, causing it to retract.

[0010] In a preferred embodiment, the outer surfaces of the two first push blocks are slidably connected to the second push blocks, and the inner sides of the two second push blocks are fixedly installed with pins.

[0011] The technical effect of adopting the above-mentioned further solution is that the second push block can drive the pin column to move.

[0012] In a preferred embodiment, both pins are slidably connected inside the connecting post, both grooves are formed inside the connecting post, and both pins are matched with the pin grooves.

[0013] The technical effect of adopting the above-mentioned further solution is that the pin can be embedded into the pin groove to fix the sealing cover.

[0014] In a preferred embodiment, the outer surfaces of the two pins are slidably connected to the inner surface of the groove, and a second return spring is fixedly installed on the opposite side of the two pins, with the other ends of the two second return springs fixedly installed inside the groove.

[0015] The technical effect of adopting the above-mentioned further solution is that it allows the pin to compress the second return spring, causing it to retract.

[0016] In a preferred embodiment, the outer surfaces of both sealing covers are provided with first sealing gaskets, and both first sealing gaskets are movably embedded inside the idler roller body. Two positioning grooves are provided on both sides of the inner side of the idler roller body.

[0017] The technical effect of adopting the above-mentioned further solution is that the first sealing gasket can be embedded in the interior of the idler roller body, and the outer surface of the first sealing gasket can be attached to the inner wall of the idler roller body.

[0018] In a preferred embodiment, positioning posts are provided on both sides of the two first sealing gaskets, and the four positioning posts are matched with the positioning grooves. The inner walls of the four positioning grooves are provided with second sealing gaskets, and the outer surfaces of the four positioning posts are movably connected to the inner surfaces of the second sealing gaskets.

[0019] The technical effect of adopting the above-mentioned further solution is that it allows the positioning post to be embedded into the positioning groove.

[0020] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0021] This invention, through the design of the pin post and connecting piece structure, allows personnel to easily disassemble the sealing cover with a simple pressing action, greatly simplifying the disassembly process. This makes it easier for personnel to disassemble and replace the sealing cover, avoiding the trouble of using additional tools. It solves the problem of the lack of convenient quick-release structure in the prior art, which means that when the sealing cover needs to be replaced, the operator must manually disassemble it, usually requiring tools to pry open the sealing cover on the idler roller, a process that is too time-consuming and labor-intensive. Attached Figure Description

[0022] Figure 1 A rear-view three-dimensional structural diagram of a dustproof idler roller for a conveyor provided by this utility model;

[0023] Figure 2 A cross-sectional three-dimensional structural diagram of the idler body of a dustproof idler for a conveyor provided by this utility model. Figure 1 ;

[0024] Figure 3 A cross-sectional three-dimensional structural diagram of the idler body of a dustproof idler for a conveyor provided by this utility model. Figure 2 ;

[0025] Figure 4 A cross-sectional three-dimensional structural diagram of the idler body of a dustproof idler for a conveyor provided by this utility model. Figure 3 ;

[0026] Figure 5 This utility model provides a three-dimensional cross-sectional view of the connecting column of a dustproof idler roller for a conveyor.

[0027] Legend:

[0028] 1. Idler roller shaft; 101. Bearing; 102. Idler roller body; 103. Sealing cover; 104. Pin groove; 105. Connecting column; 106. Connecting piece; 107. First return spring; 108. First push block; 109. Second push block; 110. Pin column; 111. Slide groove; 112. Second return spring; 2. First sealing gasket; 201. Positioning column; 202. Positioning groove; 203. Second sealing gasket. Detailed Implementation

[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0030] Example 1, please refer to Figures 1 to 5 This utility model provides a technical solution: a dustproof idler for a conveyor, including an idler shaft 1. Bearings 101 are provided on both sides of the outer surface of the idler shaft 1. An idler body 102 is provided on the outer surface of the two bearings 101. Sealing covers 103 are movably fitted on both sides of the idler shaft 1. The two sealing covers 103 are movably embedded inside the idler body 102. Two connecting posts 105 are fixedly installed on opposite sides of the two sealing covers 103. All four connecting posts 105 are movably embedded inside the idler body 102. Multiple pin slots 104 are provided inside the idler body 102. Quick-release components are provided inside the four connecting posts 105. Each quick-release component includes a connector 106 and a sliding groove 111. The connector 106 is slidably connected inside the connecting post 105, and its outer surface is slidably connected inside the sealing cover 103. A first return spring 107 is fixedly installed on the outer side of the connector 106. The other end of the first return spring 107 is fixedly installed on the outer surface of the sealing cover 103. Two first push blocks 108 are fixedly installed on the inner side of the connector 106. The outer surfaces of the two first push blocks 108 are slidably connected to second push blocks 109. The inner sides of the two second push blocks 109 are fixedly installed with pins 110. The two pins 110 are slidably connected to the inside of the connecting post 105. Two slide grooves 111 are opened inside the connecting post 105. The two pins 110 are matched with pin grooves 104. The outer surfaces of the two pins 110 are slidably connected to the inner surface of the slide grooves 111. A second return spring 112 is fixedly installed on the opposite side of the two pins 110. The other ends of the two second return springs 112 are fixedly installed inside the slide grooves 111.

[0031] In this embodiment, the operator first presses the connector 106, allowing it to slide inward inside the connecting post 105, and compresses the first return spring 107, causing it to retract. As the connector 106 slides inward, it drives the first pushing block 108 to slide on the outer surface of the second pushing block 109, simultaneously pressing the second pushing block 109 to allow relative sliding. As the second pushing block 109 slides, it pulls the pin post 110 to slide synchronously through the slide groove 111, simultaneously compressing the second return spring 112 to retract, thereby… This allows the pin 110 to disengage from the pin slot 104 and retract into the connecting post 105. Then, the operator pulls the sealing cover 103 outward to disengage it from the roller body 102 on the bearing 101 and slide it outward on the outer surface of the roller shaft 1 to complete the disassembly of the sealing cover 103. Furthermore, the structure of the pin 110 and the connecting piece 106 allows the operator to disassemble the sealing cover 103 with a simple pressing action, greatly simplifying the disassembly process. This makes it easier for the operator to disassemble and replace the sealing cover 103, avoiding the inconvenience of using additional tools.

[0032] Example 2, as Figures 1 to 5 As shown, the outer surfaces of the two sealing covers 103 are provided with first sealing gaskets 2, and the two first sealing gaskets 2 are movably embedded inside the roller body 102. Two positioning grooves 202 are opened on both sides of the inside of the roller body 102. Positioning posts 201 are provided on both sides of the two first sealing gaskets 2. The four positioning posts 201 are matched with the positioning grooves 202. The inner walls of the four positioning grooves 202 are provided with second sealing gaskets 203. The outer surfaces of the four positioning posts 201 are movably connected to the inner surfaces of the second sealing gaskets 203.

[0033] In this embodiment, the operator can first press the connector 106 to retract the pin 110 into the connector 105, then put the sealing cover 103 onto the outer surface of the idler roller shaft 1 and push the sealing cover 103 inward so that it can fit against one end of the idler roller body 102. At the same time, the first sealing gasket 2 is driven into the interior of the idler roller body 102. When the sealing cover 103 is pushed inward into the interior of the idler roller body 102, the positioning pin 201 will be driven into the second sealing gasket 203 inside the positioning groove 202 to complete the installation of the sealing cover 103. Through the structure of the first sealing gasket 2 and the second sealing gasket 203, a good seal between the idler roller body 102 and the external environment can be ensured. The installation of the sealing gasket prevents external impurities such as dust and dirt from entering the interior of the idler roller body 102, thereby effectively protecting the idler roller body 102, bearing 101 and other key components, and extending the service life of the equipment.

[0034] Working principle: In use, the operator first presses the connector 106, allowing it to slide inward inside the connecting post 105, and compresses the first return spring 107, causing it to retract. As the connector 106 slides inward, it drives the first pushing block 108 to slide on the outer surface of the second pushing block 109. Simultaneously, the first pushing block 108 compresses the second pushing block 109, allowing them to slide relative to each other. As the second pushing block 109 slides, it pulls the pin post 110 to slide synchronously through the slide groove 111, and simultaneously compresses the second return spring 112, causing it to retract. This allows the pin 110 to disengage from the pin slot 104 and retract into the connecting post 105. Then, the operator pulls the sealing cover 103 outward to disengage it from the roller body 102 on the bearing 101 and slide it outward on the outer surface of the roller shaft 1 to complete the disassembly of the sealing cover 103. Furthermore, the structure of the pin 110 and the connecting piece 106 allows the operator to disassemble the sealing cover 103 with a simple pressing action, greatly simplifying the disassembly process. This makes it easier for the operator to disassemble and replace the sealing cover 103, avoiding the inconvenience of using additional tools. In use, the operator can first press the connector 106 to retract the pin 110 into the connector 105, then put the sealing cover 103 onto the outer surface of the idler roller shaft 1 and push the sealing cover 103 inward so that it can fit against one end of the idler roller body 102. At the same time, the first sealing gasket 2 is driven into the interior of the idler roller body 102. When the sealing cover 103 is pushed inward into the interior of the idler roller body 102, the positioning pin 201 will be driven into the second sealing gasket 203 inside the positioning groove 202 to complete the installation of the sealing cover 103. Through the structure of the first sealing gasket 2 and the second sealing gasket 203, a good seal between the idler roller body 102 and the external environment can be ensured. The installation of the sealing gasket prevents dust, dirt and other external impurities from entering the interior of the idler roller body 102, thereby effectively protecting the idler roller body 102, bearing 101 and other key components, and extending the service life of the equipment.

[0035] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the present utility model.

Claims

1. A dustproof idler roller for a conveyor, comprising an idler roller shaft (1), characterized in that: Bearings (101) are provided on both sides of the outer surface of the roller shaft (1). The outer surface of the two bearings (101) is provided with roller bodies (102). Sealing covers (103) are movably sleeved on both sides of the roller shaft (1). The two sealing covers (103) are movably embedded in the inside of the roller body (102). Two connecting columns (105) are fixedly installed on the opposite side of the two sealing covers (103). The four connecting columns (105) are movably embedded in the inside of the roller body (102). The inside of the roller body (102) is provided with multiple pin slots (104). The inside of the four connecting columns (105) is provided with quick-release components.

2. The dustproof idler roller for a conveyor according to claim 1, characterized in that: The quick-release assembly includes a connector (106) and a slide (111). The connector (106) is slidably connected inside the connecting post (105), and the outer surface of the connector (106) is slidably connected inside the sealing cover (103).

3. A dustproof idler roller for a conveyor according to claim 2, characterized in that: A first return spring (107) is fixedly installed on the outer side of the connector (106), and the other end of the first return spring (107) is fixedly installed on the outer surface of the sealing cover (103). Two first push blocks (108) are fixedly installed on the inner side of the connector (106).

4. A dustproof idler roller for a conveyor according to claim 3, characterized in that: The outer surfaces of the two first push blocks (108) are slidably connected to the second push block (109), and the inner sides of the two second push blocks (109) are fixedly installed with pins (110).

5. A dustproof idler roller for a conveyor according to claim 4, characterized in that: Both of the pins (110) are slidably connected inside the connecting post (105), both of the grooves (111) are formed inside the connecting post (105), and both of the pins (110) are matched with the pin grooves (104).

6. A dustproof idler roller for a conveyor according to claim 5, characterized in that: The outer surfaces of the two pins (110) are slidably connected to the inner surface of the slide groove (111). A second return spring (112) is fixedly installed on the opposite side of the two pins (110), and the other end of the two second return springs (112) is fixedly installed inside the slide groove (111).

7. A dustproof idler roller for a conveyor according to claim 1, characterized in that: The outer surfaces of the two sealing covers (103) are provided with first sealing gaskets (2), and the two first sealing gaskets (2) are movably embedded in the interior of the roller body (102). Two positioning grooves (202) are opened on both sides of the interior of the roller body (102).

8. A dustproof idler roller for a conveyor according to claim 7, characterized in that: Positioning posts (201) are provided on both sides of the two first sealing gaskets (2), and the four positioning posts (201) are matched with the positioning grooves (202). The inner walls of the four positioning grooves (202) are provided with second sealing gaskets (203), and the outer surfaces of the four positioning posts (201) are movably connected to the inner surface of the second sealing gaskets (203).