Rolling type conveying metal chain
By using a locking and unlocking structure design, the problem of damaging the shaft when disassembling the roller conveyor metal chain is solved, enabling convenient disassembly and installation, improving the maintainability and stability of the chain, and reducing the risk of damage.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-18
- Publication Date
- 2026-03-24
AI Technical Summary
Existing roller conveyor chains require damage to the shaft during disassembly, which can lead to frequent disassembly and damage to the shaft, resulting in economic losses.
The chain is designed with a locking and unlocking mechanism, allowing for easy disassembly and installation by operating components such as the winding wheel, traction belt, and locking frame. This avoids damage to critical components, including the meshing of locking teeth and gears and the design of the limiting plate to ensure stability.
It improves the maintainability and stability of the chain, reduces the risk of damage caused by frequent disassembly and assembly, saves time and labor costs, and ensures the structural integrity and stability of the chain during multiple disassembly and assembly processes.
Smart Images

Figure CN224029928U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to chain technology field, concretely is a kind of roll type conveying metal chain. BACKGROUND
[0002] Chain is commonly used mechanical parts in life.
[0003] The existing roll type conveying metal chain is connected by chain plate in sequence, adjacent chain plate is connected together by shaft, when using, chain is usually fastened and installed, but when disassembling, one of shaft needs to be destroyed to disassemble, if disassembling frequently can lead to shaft complete damage, to cause economic loss, therefore, roll type conveying metal chain needs to be designed and reformed, effectively prevent the phenomenon that it is inconvenient to disassemble. UTILITY MODEL CONTENTS
[0004] To solve the problems in the background art, the utility model provides a roll type conveying metal chain, which has the advantages of easy disassembly and multiple disassembly without damage, and solves the problems of the existing roll type conveying metal chain connected by chain plate in sequence, adjacent chain plate connected together by shaft, and chain usually fastened and installed when using, and one of shaft needs to be destroyed to disassemble when disassembling, and shaft can be completely damaged if disassembling frequently, causing economic loss.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a roll type conveying metal chain, comprising a group of first chain plates and two groups of second chain plates, the first chain plate comprises an inner chain plate, the two sides of the front surface of the inner chain plate are fixedly connected with shaft pins, the surface of the shaft pin is slidably connected with an outer chain plate, the surface of the shaft pin is provided with a socket, the front surface of the outer chain plate is provided with a sliding groove, and the inside of the sliding groove is slidably connected with a sliding block, the front surface of the sliding block is fixedly connected with a locking frame, the locking frame is attached to the outer chain plate, the locking frame is inserted into the socket, the top and bottom of the front surface of the outer chain plate are fixedly connected with fixed blocks, the two sides of the fixed block are fixedly connected with compression springs, the end of the compression spring away from the fixed block is fixedly connected with the locking frame, the front surface of the outer chain plate is rotatably connected with a winding wheel, the side of the locking frame close to the winding wheel is fixedly connected with a traction belt, and the end of the traction belt away from the locking frame is fixedly connected with the winding wheel.
[0006] As preferred in the utility model, the front surface of the locking frame is fixedly connected with a locking tooth, the front surface of the shaft pin is fixedly connected with a gear, the front surface of the gear is fixedly connected with a limiting disc, and the locking tooth is engaged with the gear.
[0007] As the utility model is preferred, the front of the locking frame is provided with a through hole, both sides of the front of the outer chain plate are provided with positioning grooves, the through hole is internally threadedly connected with a bolt, and the bolt is inserted into the positioning grooves.
[0008] As the utility model is preferred, the front of the locking frame is provided with a through hole, both sides of the front of the outer chain plate are provided with positioning grooves, the through hole is internally threadedly connected with a bolt, and the bolt is inserted into the positioning grooves.
[0009] As the utility model is preferred, the front of the locking frame is provided with a through hole, both sides of the front of the outer chain plate are provided with positioning grooves, the through hole is internally threadedly connected with a bolt, and the bolt is inserted into the positioning grooves.
[0010] As the utility model is preferred, the front of the locking frame is provided with a through hole, both sides of the front of the outer chain plate are provided with positioning grooves, the through hole is internally threadedly connected with a bolt, and the bolt is inserted into the positioning grooves.
[0011] Compared with the prior art, the utility model has the advantages of the following:
[0012] 1. The utility model adopts a unique locking and unlocking structure design, and discards the traditional chain disassembly mode by damaging the rotating shaft. By operating the winding wheel, the traction belt and the locking frame and other components, the chain plates can be easily disassembled and installed without damaging the key components of the chain. This design greatly improves the maintainability of the chain, making it easier and faster to operate when the chain needs to be replaced, repaired or adjusted, saving time and labor costs. During the multiple disassembly and assembly processes, the key connecting components of the chain, such as the shaft pin, locking frame and gear, can maintain good structural integrity. The insertion of the locking frame and the socket, as well as the meshing of the locking teeth and the gear, are carefully designed to withstand the mechanical stress caused by multiple disassembly and assembly, and are not prone to deformation or damage. The stability and reliability of the entire locking structure are ensured, thereby effectively reducing the risk of chain damage caused by frequent disassembly and assembly, reducing economic losses, and the device has the advantages of easy disassembly and multiple disassembly without damage.
[0013] 2. The utility model is provided with locking teeth and gears, the diameter of the gear is smaller than the diameter of the shaft pin, when the locking frame is inserted into the socket, the locking teeth on the front of the locking frame are meshed with the gear, the diameter of the limiting disc is larger than the diameter of the gear but smaller than the diameter of the shaft pin, under the action of the limiting disc, the gear and the locking teeth are prevented from sliding forward and backward, and the position of the outer chain plate is further locked, thereby providing more stable positioning for the outer chain plate and ensuring the stability and reliability of the chain during operation. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 The utility model is a structural schematic view;
[0015] Figure 2 It is the locking frame structure schematic view of the utility model;
[0016] Figure 3 It is the fixed block structure schematic view of the utility model;
[0017] Figure 4 It is the locking tooth structure schematic view of the utility model;
[0018] Figure 5 It is the utility model Figure 2 The structure enlarged schematic view of A place in the middle.
[0019] In the drawing: 1, first chain plate; 2, second chain plate; 3, inner chain plate; 4, shaft pin; 5, outer chain plate; 6, sliding block; 7, locking frame; 8, socket; 9, fixed block; 10, compression spring; 11, winding wheel; 12, traction belt; 13, locking tooth; 14, gear; 15, limiting disc; 16, round rod; 17, through opening; 18, bolt; 19, protective box; 20, opening; 21, plug. Specific implementation
[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the scope of protection of the utility model.
[0021] As Figures 1 to 5 Shown, a kind of rolling conveying metal chain, including a group of first chain plate 1 and two groups of second chain plate 2, first chain plate 1 includes inner chain plate 3, the two sides of the front of inner chain plate 3 are fixedly connected with shaft pin 4, the surface of shaft pin 4 is slidably connected with outer chain plate 5, the surface of shaft pin 4 is provided with socket 8, the front of outer chain plate 5 is provided with sliding slot, and the inside of sliding slot is slidably connected with sliding block 6, the front of sliding block 6 is fixedly connected with locking frame 7, locking frame 7 is attached to outer chain plate 5, locking frame 7 is inserted with socket 8, the top and bottom of the front of outer chain plate 5 are fixedly connected with fixed block 9, the two sides of fixed block 9 are fixedly connected with compression spring 10, the end of compression spring 10 away from fixed block 9 is fixedly connected with locking frame 7, the front of outer chain plate 5 is rotatably connected with winding wheel 11, the side of locking frame 7 close to winding wheel 11 is fixedly connected with traction belt 12, the end of traction belt 12 away from locking frame 7 is fixedly connected with winding wheel 11, second chain plate 2 includes rear chain plate and front chain plate, rear chain plate and front chain plate are fixedly connected with cylinder between, shaft pin 4 is rotatably connected with cylinder, rear chain plate is attached to inner chain plate 3, front chain plate is attached to outer chain plate 5.
[0022] Reference Figure 5The front surface of the locking frame 7 is fixedly connected with a locking tooth 13, the front surface of the shaft pin 4 is fixedly connected with a gear 14, the front surface of the gear 14 is fixedly connected with a limiting disc 15, and the locking tooth 13 is engaged with the gear 14.
[0023] As a technical optimization scheme of the utility model, through the setting of the locking tooth 13 and the gear 14, the diameter of the gear 14 is less than the diameter of the shaft pin 4, when the locking frame 7 is inserted with the socket 8, at this time, the locking tooth 13 on the front surface of the locking frame 7 is engaged with the gear 14, the diameter of the limiting disc 15 is greater than the diameter of the gear 14 but less than the diameter of the shaft pin 4, under the action of the limiting disc 15, the relative sliding of the gear 14 and the locking tooth 13 can be avoided, and the position of the outer chain plate 5 is further locked.
[0024] Reference Figure 5 The front surface of the locking frame 7 is provided with a through hole 17, both sides of the front surface of the outer chain plate 5 are provided with a positioning groove, the inside of the through hole 17 is threadedly connected with a bolt 18, and the bolt 18 is inserted with the positioning groove.
[0025] As a technical optimization scheme of the utility model, through the setting of the through hole 17, the positioning groove and the bolt 18, when the locking frame 7 is inserted with the socket 8, at this time, the through hole 17 is aligned with the positioning groove, in order to avoid the deviation of the locking frame 7, the operator tightens the bolt 18, so that the bolt 18 is inserted with the positioning groove, and the locking frame 7 is locked, so that the locking frame 7 is prevented from moving, and the locking frame 7 is prevented from being disengaged with the socket 8.
[0026] Reference Figure 5 The front surface of the winding wheel 11 is fixedly connected with a round rod 16, the front surface of the round rod 16 is provided with an adjusting groove, and the cross section of the adjusting groove is a regular hexagon.
[0027] As a technical optimization scheme of the utility model, through the setting of the round rod 16 and the adjusting groove, the operator can use a tool rod with a regular hexagonal cross section, insert the tool rod into the adjusting groove, and then rotate the tool rod, so as to drive the round rod 16 and the winding wheel 11 to rotate.
[0028] Reference Figure 1 The front surface of the outer chain plate 5 is fixedly connected with a protection box 19 through a screw.
[0029] As a technical optimization scheme of the utility model, through the setting of the protection box 19, the components in the protection box 19 can be protected, the components in the protection box 19 are prevented from being damaged due to impact, the service life of the components is prolonged, and the overall performance and stability of the chain are ensured.
[0030] Reference Figure 1The front face of the protection box 19 is provided with openings 20, the number of the openings 20 is three, the inside of the opening 20 is provided with a plug 21, the plug 21 is made of rubber material, and the surface of the compression spring 10 is sprayed with rust-proof paint.
[0031] As a technical optimization scheme of the utility model, through the setting of the opening 20 and the plug 21, the operator can disassemble the plug 21, then inserts the tool rod into the opening 20 and inserts it into the adjusting groove, thereby adjusting the rotation of the winding wheel 11, and at the same time, the tool for disassembling the bolt 18 can be inserted into the protection box 19, thereby disassembling the bolt 18, the plug 21 made of rubber material has the advantages of large friction coefficient, corrosion resistance and good sealing performance, which can effectively prevent dust, moisture and the like from entering the inside of the protection box 19 and causing damage to the components, and the surface of the compression spring 10 is sprayed with rust-proof paint, which can avoid rusting of the compression spring 10 and at the same time improve the service life of the compression spring 10.
[0032] The working principle and use process of the utility model are as follows: in use, the operator first disassembles the plug 21, then inserts the tool for disassembling the bolt 18 into the openings 20 on both sides, uses the tool to disassemble the bolt 18 first, releases the locking of the locking frame 7, then inserts the tool rod into the middle opening 20, so that the tool rod is inserted into the adjusting groove, the cross-sectional area of the tool rod is slightly smaller than that of the adjusting groove, the operator rotates the tool rod, thereby driving the round rod 16 and the winding wheel 11 to rotate, the winding wheel 11 winds the traction belt 12, thereby pulling the locking frames 7 on both sides to approach each other, at this time, the compression spring 10 is compressed, until the locking frame 7 is separated from the socket 8, at this time, the locking of the shaft pin 4 is released, at this time, the operator can pull the outer chain plate 5 towards the front face, then pull the inner chain plate 3 towards the back face, so that the shaft pin 4 is separated from the second chain plate 2, at this time, the operator can replace or maintain the inner chain plate 3, the outer chain plate 5 or the second chain plate 2.
[0033] It should be noted that in this text, relational terms such as first and second and the like are used merely to distinguish one entity or action from another, without necessarily requiring or implying any actual such relationship or order between or among the entities or actions. Also, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0034] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A rolling conveyor metal chain comprising a set of first links (1) and two sets of second links (2), characterized in that: The first chain plate (1) includes an inner chain plate (3), both sides of the front of the inner chain plate (3) are fixedly connected with shaft pins (4), the surface of the shaft pin (4) is slidably connected with an outer chain plate (5), the surface of the shaft pin (4) is provided with a socket (8), the front of the outer chain plate (5) is provided with a sliding groove, the inside of the sliding groove is slidably connected with a sliding block (6), the front of the sliding block (6) is fixedly connected with a locking frame (7), the locking frame (7) is attached to the outer chain plate (5), the locking frame (7) is inserted into the socket (8), the top and bottom of the front of the outer chain plate (5) are fixedly connected with fixed blocks (9), both sides of the fixed block (9) are fixedly connected with compression springs (10), the end, away from the fixed block (9), of the compression spring (10) is fixedly connected with the locking frame (7), the front of the outer chain plate (5) is rotatably connected with a winding wheel (11), the side, close to the winding wheel (11), of the locking frame (7) is fixedly connected with a traction belt (12), the end, away from the locking frame (7), of the traction belt (12) is fixedly connected with the winding wheel (11).
2. A metal chain for use in a rolling conveyor as claimed in claim 1, characterized in that: The front of the locking frame (7) is fixedly connected with locking teeth (13), the front of the shaft pin (4) is fixedly connected with a gear (14), the front of the gear (14) is fixedly connected with a limiting disc (15), the locking teeth (13) are engaged with the gear (14).
3. A mill type conveyor metal chain according to claim 1, characterized in that: The front of the locking frame (7) is provided with a through hole (17), both sides of the front of the outer chain plate (5) are provided with positioning grooves, the inside of the through hole (17) is threadedly connected with a bolt (18), the bolt (18) is inserted into the positioning grooves.
4. A mill type conveyor metal chain according to claim 1, characterized in that: The front of the winding wheel (11) is fixedly connected with a circular rod (16), the front of the circular rod (16) is provided with an adjusting groove, the cross section of the adjusting groove is a regular hexagon.
5. A mill type conveyor metal chain according to claim 1, characterized in that: The front of the outer chain plate (5) is fixedly connected with a protective box (19) through screws.
6. A mill type conveyor metal chain according to claim 5, characterized in that: The front of the protective box (19) is provided with openings (20), the number of the openings (20) is three, the inside of the opening (20) is provided with plugs (21), the plugs (21) are made of rubber material, the surface of the compression spring (10) is sprayed with rust-proof paint.