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CN-224201047-U - Small bridge type side-opening drag chain

CN224201047UCN 224201047 UCN224201047 UCN 224201047UCN-224201047-U

Abstract

The utility model discloses a small bridge type side-opening drag chain, which belongs to the technical field of drag chains and comprises a plurality of link main bodies and joints I and joints II at two ends of the link main bodies, wherein the link main bodies are sequentially connected in an end-to-end rotation mode, the joints I and the joints II are respectively connected with adjacent link main bodies in a rotation mode, and the link main bodies are of an assembled structure with openable outer side beams. The utility model is composed of a plurality of link main bodies and joints I and joints II at the two ends of the link main bodies which are sequentially connected in a rotating way, has compact overall structure and high integration level, meets the installation requirement of a small space, and meanwhile, the link main bodies are of an assembled structure with openable outer side beams, thereby being convenient for laying internal cables and various pipelines and facilitating later maintenance. The utility model adopts reinforced nylon material for injection molding, has light overall weight and low running noise, has small volume, is suitable for equipment sensitive to space, and simplifies the assembly and maintenance flow.

Inventors

  • SUN XIANGYANG

Assignees

  • 东莞市圣达机械科技有限公司

Dates

Publication Date
20260505
Application Date
20250519

Claims (10)

  1. 1. A small bridge type side-opening drag chain is characterized by comprising a plurality of link main bodies and connectors I and connectors II at two ends of the link main bodies, wherein the link main bodies are sequentially connected in an end-to-end rotation mode, the connectors I and the connectors II are respectively connected with adjacent link main bodies in a rotation mode, and the link main bodies are of an assembly type structure with outer side beams capable of being opened.
  2. 2. The small bridge type side-opening drag chain of claim 1, wherein the chain link main body comprises two opposite parallel chain pieces, the top middle positions of the two side chain pieces are connected through an openable cross beam, the bottoms of the two side chain pieces are connected through a supporting plate, and the supporting plate and the two side chain pieces are of an integrated structure.
  3. 3. The small bridge type side-opening drag chain of claim 2, wherein one end of the cross beam is in running fit with a rotating shaft in a side chain piece top mounting groove, and the other end of the cross beam is provided with two parallel clamping jaws which are used for clamping the top position of the other side chain piece.
  4. 4. A small bridge type side-opening drag chain as defined in claim 3, wherein a groove is arranged in the middle of the top of the chain piece, a sinking groove for accommodating a claw on the inner side is arranged on the inner side of the groove, the bottom surface of the sinking groove is an inward inclined slope, and an inward inclined guiding slope is arranged on the inner side edge of the bottom of the groove.
  5. 5. The small bridge type side-opening drag chain of any one of claims 2-4, wherein the plurality of links are connected in turn by rotation of the clamping structure, the connecting end of the first joint is connected with the rotation of the links at the head end, and the connecting end of the second joint is connected with the rotation of the links at the tail end.
  6. 6. The small bridge type side-opening drag chain of claim 5, wherein one end edge of the chain piece is semicircular, a fan-shaped limiting groove is formed in the other end edge of the chain piece, the clamping structure comprises a positioning shaft and a positioning hole matched with the positioning shaft, the positioning shaft is arranged on the side face of the connecting end of the first joint and the middle of a sinking table I on the outer side of one end of the chain piece, the positioning shaft on the chain piece is arranged at the root of the limiting groove, the side wall of the sinking table I is arc-shaped and is used for being matched with the semicircular edge of the end part of an adjacent chain piece, the positioning hole is formed in the center position of the semicircle of the other end of the chain piece and the connecting end of the second joint, a sinking table II is arranged on the inner side face of the positioning hole of the chain piece, and a wedge-shaped limiting block matched with the limiting groove is arranged in the middle of the side wall of the sinking table II.
  7. 7. The small bridge type side-opening drag chain of claim 6, wherein the first connector comprises a first connecting plate and a cover plate, wherein the first connecting plate is arranged on two sides of the first connecting plate in parallel, one end of the first connecting plate is arc-shaped, a positioning shaft is arranged on the outer side of the center position of the arc and is used for being matched with a positioning hole of the end part of an adjacent chain piece, two fan-shaped grooves are formed in the edge of the arc-shaped end part of the first connecting plate and are used for being matched with limiting blocks of the end part of the adjacent chain piece, the other end of the first connecting plate is rectangular, the bottom edge of the first connecting plate is tangent to the arc-shaped edge of the other end, and a raised comb-shaped plate is arranged in the middle of the cover plate and is used for fixing a cable.
  8. 8. The small bridge type side-opening drag chain of claim 7, wherein the two connectors comprise second connecting plates which are arranged on two sides in parallel and a bottom plate at the bottom of the second connecting plates, one end of each second connecting plate is in a major arc shape, a positioning hole is formed in the center of the arc and is used for being matched with a positioning shaft at the end part of an adjacent chain piece, the other end of each second connecting plate is rectangular, the bottom edge of each second connecting plate is tangent to the arc-shaped edge of the other end, and a comb-shaped plate which protrudes and is tilted is arranged in the middle of each bottom plate and is used for fixing a cable.
  9. 9. The small bridge type side-opening drag chain of claim 8, wherein the first joint and the second joint are of an integrated structure.
  10. 10. The small bridge type side-opening drag chain of claim 9, wherein the chain piece of the chain link main body, the supporting plate, the cross beam, the joint I and the joint II are respectively formed by integrally injection molding reinforced nylon materials.

Description

Small bridge type side-opening drag chain Technical Field The utility model belongs to the technical field of drag chains, and particularly relates to a small bridge type side-opening drag chain. Background Drag chains are commonly used in a variety of mechanical devices, playing a vital role in the industry, and are mainly used to protect and guide key components such as cables, air pipes, hydraulic pipes, etc., and ensure that these components can operate stably and safely when the device is moving. At present, the structure of the existing drag chain is heavy and large, is not applicable to space sensitive equipment, and is very inconvenient to assemble and maintain. Therefore, there is a need to develop a small drag chain to accommodate equipment with less installation space. Disclosure of utility model In order to solve the problems, the utility model provides a small bridge type side-opening drag chain. In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: A small bridge type side-opening drag chain comprises a plurality of link main bodies and connectors I and connectors II at two ends of the link main bodies, wherein the link main bodies are sequentially connected in an end-to-end rotation mode, the connectors I and the connectors II are respectively connected with adjacent link main bodies in a rotation mode, and the link main bodies are of an assembled structure with outer side beams capable of being opened. Further, the chain link main body comprises chain pieces with two sides relatively parallel, the top middle positions of the two side chain pieces are connected through an openable cross beam, the bottoms of the two side chain pieces are connected through a supporting plate, and the supporting plate and the two side chain pieces are of an integrated structure. Further, one end of the cross beam is in running fit with a rotating shaft in a side chain piece top mounting groove, two parallel clamping jaws are arranged at the other end of the cross beam and used for clamping the top position of the other side chain piece. Further, a groove is formed in the middle of the top of the chain piece, a sinking groove for accommodating the inner clamping jaw is formed in the inner side of the groove, the bottom surface of the sinking groove is an inwards-inclined slope surface, and an inwards-inclined guide inclined surface is formed in the inner side edge of the bottom of the groove. Further, the first and the tail of the plurality of links are connected through the rotation of the clamping structure in sequence, the connecting end of the first joint is connected with the rotation of the links of the first end, and the connecting end of the second joint is connected with the rotation of the tail end links. Further, one end edge of the chain piece is semicircular, a fan-shaped limiting groove is formed in the other end edge of the chain piece, the clamping structure comprises a positioning shaft and a positioning hole matched with the positioning shaft, the positioning shaft is arranged on the side face of the connecting end of the first joint and the middle of the sinking table I outside one end of the chain piece, the positioning shaft on the chain piece is arranged at the root of the limiting groove, the side wall of the sinking table I is arc-shaped and is matched with the semicircular edge of the end part of the adjacent chain piece, the positioning hole is formed in the semicircular central position of the other end of the chain piece and the connecting end of the second joint, the sinking table II is arranged on the inner side face of the positioning hole of the chain piece, and a wedge-shaped limiting block matched with the limiting groove is arranged in the middle of the side wall of the sinking table II. The connector comprises a first connecting plate and a cover plate at the top of the first connecting plate, wherein the first connecting plate is arranged on two sides in parallel, one end of the first connecting plate is arc-shaped, a positioning shaft is arranged on the outer side of the center position of the arc and used for being matched with a positioning hole at the end of an adjacent chain piece, two fan-shaped grooves are formed in the edge of the arc-shaped end of the first connecting plate and used for being matched with a limiting block at the end of the adjacent chain piece, the other end of the first connecting plate is rectangular, the bottom edge of the first connecting plate is tangent to the arc-shaped edge at the other end, and a raised comb-shaped plate is arranged in the middle of the cover plate and used for fixing a cable. The connector comprises a first connecting plate and a bottom plate, wherein the first connecting plate is arranged on the two sides of the first connecting plate in parallel, the bottom plate is arranged on the bottom of the first connecting plate, one end of the first connecting plate is in a major arc