A split type chain link plate structure of a drag chain

Abstract

The utility model discloses a kind of split type chain link plate structures, belong to towline component technical field, including left chain link plate and right chain link plate, the upper and lower positions between the left chain link plate and right chain link plate are respectively provided with upper cover plate and lower cover plate, several interval partition sheets are embedded and installed between the upper cover plate and lower cover plate, left clamping frame is embedded and installed in left chain link plate outer side, and right clamping frame is embedded and installed in the outer side of right chain link plate, upper cover plate is connected by screw in left clamping frame upper end, left clamping frame and right clamping frame are all concave shape with opening to inside, and the outer side bottom end of left clamping frame and right clamping frame is all processed with through-hole.The split type chain link plate structure can be flexibly disassembled and replaced to upper and lower cover plates in chain link plate middle, for adapting to the widening or folding of towline transverse width in installation scene, while using screw to fix upper cover plate free end, improve the installation stability and reliability of upper cover plate and chain link plate, reduce the situation of falling off, guarantee the normal use of towline.

Description

Technical Field

[0001] This utility model relates to the technical field of cable chain components, and more specifically, to a split-type cable chain link plate structure. Background Technology

[0002] Currently, plastic cable chains generally consist of two chain links on the left and right, as well as upper and lower cover plates in the middle of the chain links. Multiple horizontal and vertical dividers can be installed in the middle area of ​​the upper and lower cover plates to separate the multiple cables inside the cable chain. The plastic cable chain completely wraps around the internal cables, providing traction and protection for the cables.

[0003] In existing cable carriers, the lower cover is typically integrally formed with the chain links on both sides. This design offers the advantage of high overall strength. The upper cover is rotatably connected to one chain link on one side, while the other end is connected to the chain link on the other side via a snap-fit ​​connection. This allows for easy opening of the upper cover to organize and maintain the internal cables. However, this connection structure has the following problems in actual use: First, the integral forming of the lower cover and chain links on both sides presents challenges. In actual installation scenarios, if the cable is wide or the space between the chain links is large, the lateral width of the cable carrier needs to be widened or narrowed. The existing integral structure requires replacing the entire cable carrier, making it less adaptable. Second, the existing snap-fit ​​connection method for the upper cover is not stable enough. After repeated opening and closing over a period of time, the snap-fit ​​blocks will wear down. When there is significant wear, the free end of the upper cover is prone to detaching, affecting the normal operation of the cable carrier. Utility Model Content

[0004] The purpose of this utility model is to provide a split-type chain link plate structure for cable carriers. This split-type chain link plate structure allows for flexible disassembly and replacement of the upper and lower cover plates in the middle of the chain link plate to adapt to the widening or narrowing of the lateral width of the cable carrier in the installation scenario. At the same time, the free end of the upper cover plate is fixed with screws, which improves the installation stability and reliability of the upper cover plate and the chain link plate, reduces the possibility of falling off, and ensures the normal use of the cable carrier.

[0005] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0006] A split-type cable chain link plate structure includes a left link plate and a right link plate. An upper cover plate and a lower cover plate are respectively provided at the upper and lower positions between the left and right link plates. Several spaced separators are embedded between the upper and lower cover plates. A left retaining frame is embedded in the outer side of the left link plate, and a right retaining frame is embedded in the outer side of the right link plate. The upper cover plate is connected to the upper end of the left retaining frame by screws. Both the left and right retaining frames are concave shapes with inward openings, and through holes are machined at the bottom of their outer sides. T-shaped support plates are provided inward at the lower ends of both the left and right retaining frames. An inward connecting plate is provided at the upper end of the left retaining frame, and a connecting threaded seat is provided on the surface of the connecting plate. Screws are screwed into the connecting threaded seat to fix the upper cover plate.

[0007] As a further optimization of this solution, T-shaped through slots are machined on both the left and right sides of the lower cover plate. Positioning rods are provided at the front and rear ends of both sides of the lower cover plate, and threaded blind holes are machined at the middle position of both sides of the lower cover plate. A rectangular through slot is opened at the center position of the lower surface of the left link plate, and a through hole is machined on the surface of the left link plate above the rectangular through slot. The screws pass through the through holes on the surface of the left frame and the left link plate, as well as the through holes on the surface of the right frame and the right link plate, and are screwed into the threaded blind holes on both sides of the lower cover plate. The T-shaped support plate is aligned and embedded in the T-shaped groove formed by the T-shaped through slot and the rectangular through slot to support the two sides of the lower cover plate from below.

[0008] As a further optimization of this solution, the upper end of the right card frame is provided with an inward connecting plate and the surface of the connecting plate is provided with a mounting shaft. A sleeve on one side of the upper cover plate is fitted on the mounting shaft. The other side of the upper cover plate is provided with a protruding countersunk threaded hole. Positioning blind holes are machined on both sides of the through hole position on the inner side of the left and right chain link plates. The positioning blind holes are aligned and inserted into the positioning rod of the lower cover plate.

[0009] As a further optimization of this solution, an arc-shaped positioning groove is machined on one side of the notch above the right chain link plate, and the arc-shaped positioning groove is used to align and support the outer end of the shaft body.

[0010] As a further optimization of this solution, after the left and right card frames are disassembled, upper and lower cover plates of different widths can be installed between the left and right chain link plates.

[0011] Compared with existing technologies, the beneficial effects of this utility model are as follows:

[0012] By designing a left and right card frame structure, this utility model allows for the installation of upper and lower cover plates of different widths between the left and right chain links. When the cable inside the cable chain is wide or the space between the chain links is large, the lateral width of the cable chain can be widened or narrowed, resulting in good applicability. At the same time, by designing structures such as T-shaped support plates, T-shaped through slots, and rectangular through slots, the lower cover plate can be supported on both sides, ensuring the stability of the split lower cover plate connection.

[0013] This utility model features a left locking frame with a connecting threaded seat and a right locking frame with an installation shaft. The top cover plate can be installed between the left and right chain link plates using screws. Compared with the traditional snap-fit ​​connection method, this design offers better connection stability and durability, reduces the possibility of the top cover plate falling off at one end, and ensures the normal use of the cable chain. In addition, during maintenance, the screws on the top cover plate can be removed separately, and the top cover plate can be rotated to open without affecting the normal maintenance of the internal cables. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the split-type connecting plate connection structure of this utility model;

[0015] Figure 2 This is a schematic diagram of the split structure of the left card frame of this utility model;

[0016] Figure 3 This is a schematic diagram of the split structure of the right card frame of this utility model;

[0017] Figure 4 Schematic diagram of the lower cover plate structure of this utility model with different widths;

[0018] Figure 5 Schematic diagram of the upper cover plate structure of this utility model with different widths;

[0019] In the diagram: 1. Left chain link plate; 2. Right chain link plate; 3. Lower cover plate; 4. Upper cover plate; 5. Divider plate; 6. Screw; 7. Left retaining frame; 8. Through hole; 9. Connecting threaded seat; 10. Rectangular through slot; 11. Positioning insert; 12. Threaded blind hole; 13. T-shaped through slot; 14. Positioning blind hole; 15. Countersunk threaded hole; 16. Sleeve; 17. Mounting shaft; 18. Right retaining frame; 19. Arc-shaped positioning through slot. Detailed Implementation

[0020] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the following description, in conjunction with specific illustrations, further elaborates on this utility model.

[0021] To address the issue that the existing integrated lower cover plate and side chain link plates are not very practical in actual installation scenarios, where the cable is wide or the space between the chain link plates is large, the lateral width of the cable chain needs to be widened or narrowed. The existing integrated structure requires replacing the entire cable chain, which is not very applicable. Secondly, the existing snap-on connection method of the upper cover plate is not stable enough. After repeated opening and closing for a period of time, the snap-on blocks will wear down continuously. When there are many worn areas, the free end of the upper cover plate is prone to falling off, affecting the normal use of the cable chain.

[0022] like Figure 1 As shown, this application includes a left link plate 1 and a right link plate 2. An upper cover plate 4 and a lower cover plate 3 are respectively provided at the upper and lower positions between the left link plate 1 and the right link plate 2. A number of spaced partition pieces 5 are embedded between the upper cover plate 4 and the lower cover plate 3. A left retaining frame 7 is embedded on the outer side of the left link plate 1 and a right retaining frame 18 is embedded on the outer side of the right link plate 2. The upper end of the left retaining frame 7 is connected to the upper cover plate 4 by screws 6.

[0023] like Figure 2 As shown, both the left card frame 7 and the right card frame 18 are concave shapes with inward openings, and both the outer sides of the left card frame 7 and the right card frame 18 have through holes 8 machined at the bottom. The lower ends of both the left card frame 7 and the right card frame 18 are provided with T-shaped support plates facing inwards. The upper end of the left card frame 7 is provided with an inward connecting plate, and the surface of the connecting plate is provided with a connecting thread seat 9. The connecting thread seat 9 is screwed with screws 6 to fix the upper cover plate 4.

[0024] The lower cover plate 3 has T-shaped through slots 13 machined on both the left and right sides of its lower surface. The lower cover plate 3 has positioning rods 11 at both the front and rear ends of both sides of its lower surface 3, and threaded blind holes 12 are machined at the middle position of both sides of its lower surface 3. A rectangular through slot 10 is opened at the center position of the lower surface of the left link plate 1, and a through hole 8 is machined on the surface of the left link plate 1 above the rectangular through slot 10. The screw 6 passes through the through hole 8 on the surface of the left clip frame 7 and the left link plate 1, as well as the through hole 8 on the surface of the right clip frame 18 and the right link plate 2, and is screwed into the threaded blind holes 12 on both sides of the lower cover plate 13. The T-shaped support plate is aligned and embedded in the T-shaped groove formed by the T-shaped through slot 13 and the rectangular through slot 10 to support the lower cover plate 3 from below.

[0025] like Figure 3 As shown, the upper end of the right frame 18 is provided with an inward connecting plate and the surface of the connecting plate is provided with a mounting shaft 17. The mounting shaft 17 is fitted with a sleeve 16 on one side of the upper cover plate 4. The other side of the upper cover plate 4 is provided with a protruding countersunk threaded hole 15. The left link plate 1 and the right link plate 2 are both machined with positioning blind holes 14 at the positions of the through holes 8 on the inner side. The positioning blind holes 14 are aligned and inserted into the positioning rod 11 of the lower cover plate 3.

[0026] An arc-shaped positioning groove 19 is machined on one side of the notch above the right link plate 2. The arc-shaped positioning groove 19 is used to align and support the outer end of the shaft body of the mounting shaft 17.

[0027] Specifically, when installing a cable chain according to this application, firstly, the positioning pins 11 of the lower cover plate 3 are aligned and inserted into the positioning blind holes 14 on the inner sides of the left link plate 1 and the right link plate 2, respectively. Then, the left retaining frame 7 and the right retaining frame 18 are respectively inserted from the lower sides. The upper cover plate is pre-installed on the mounting shaft of the right retaining frame 18. Then, screws 6 are screwed into the threaded blind holes 12 on both sides of the lower cover plate 13 through the through holes 8 on the surfaces of the left retaining frame 7 and the left link plate 1, and the right retaining frame 18 and the right link plate 2, respectively. At the same time, the T-shaped support plate supports the lower part of the T-shaped groove formed by the T-shaped through groove 13 and the rectangular through groove 10, that is, the positions on both sides of the lower cover plate 3. Finally, the upper cover plate 4 is rotated, and screws 6 are screwed into the connecting thread seat 9 through the countersunk threaded holes 15 to fix the upper cover plate 3. Figure 4 and Figure 5 As shown, when it is necessary to replace the upper cover plate 4 and lower cover plate 3 with different widths, the above operation can be reversed to widen or narrow the internal space of the cable chain according to the cable situation. Compared with the traditional buckle connection method, the connection of the upper cover plate 4 with screw 6 has better stability and durability, reduces the possibility of one end of the upper cover plate 4 falling off, and ensures the normal use of the cable chain. At the same time, during maintenance, the screws on the upper cover plate 4 can be removed separately, and the upper cover plate 4 can be rotated to open it without affecting the normal maintenance of the internal cables.

[0028] All standard parts used in this utility model can be purchased from the market, and irregular parts can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection methods in the prior art, which will not be described in detail here.

[0029] The foregoing has shown and described the basic principles and main features of this utility model, as well as its advantages. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A split-type cable chain link plate structure, comprising a left link plate and a right link plate, wherein an upper cover plate and a lower cover plate are respectively provided at the upper and lower positions between the left link plate and the right link plate, and a plurality of spaced partition plates are embedded between the upper cover plate and the lower cover plate, characterized in that: The left link plate has a left retaining frame embedded in its outer side, and the right link plate has a right retaining frame embedded in its outer side. The upper end of the left retaining frame is connected to a top cover plate by screws. Both the left and right retaining frames are concave shapes with inward openings, and the bottom ends of the outer sides of both the left and right retaining frames are machined with through holes. The lower ends of both the left and right retaining frames are provided with T-shaped support plates facing inwards. The upper end of the left retaining frame is provided with an inward connecting plate, and the surface of the connecting plate is provided with a connecting thread seat. Screws are screwed into the connecting thread seat to fix the top cover plate.

2. The split link plate structure of a tow chain according to claim 1, characterized in that: The lower cover plate has T-shaped through slots machined on both the left and right sides of its lower surface. Positioning rods are provided at the front and rear ends of both sides of the lower cover plate, and threaded blind holes are machined at the middle position of both sides of the lower cover plate. A rectangular through slot is opened at the center position of the lower surface of the left link plate, and a through hole is machined on the surface of the left link plate above the rectangular through slot. The screws pass through the through holes on the left frame and the surface of the left link plate, as well as the through holes on the surface of the right frame and the right link plate, and are screwed into the threaded blind holes on both sides of the lower cover plate. The T-shaped support plate is aligned and embedded in the T-shaped groove formed by the T-shaped through slot and the rectangular through slot to support the two sides of the lower cover plate from below.

3. The split link plate structure of claim 2, wherein: The upper end of the right frame is provided with an inward connecting plate and the surface of the connecting plate is provided with an installation shaft. A sleeve on one side of the upper cover plate is fitted on the installation shaft. The other side of the upper cover plate is provided with a protruding countersunk threaded hole. Positioning blind holes are machined on both sides of the through hole position on the inner side of the left and right chain link plates. The positioning blind holes are aligned and inserted into the positioning rod of the lower cover plate.

4. The split link plate structure of claim 3, wherein: The right chain link plate has an arc-shaped positioning groove machined on one side of the notch above it. The arc-shaped positioning groove is used to align and support the outer end of the shaft body.

5. The split link plate structure of claim 4, wherein: After the left and right card frames are disassembled, upper and lower cover plates of different widths can be installed between the left and right chain link plates.

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