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CN-121990446-A - Three-fold door device in linear guide rail

CN121990446ACN 121990446 ACN121990446 ACN 121990446ACN-121990446-A

Abstract

The invention relates to the technical field of middle-split three-fold doors, in particular to a linear guide rail middle-split three-fold door device which comprises a body, a sill, a slow door assembly, a middle door assembly, a shutter assembly and a lock hook assembly, wherein a door plate is arranged below each assembly and is linked through a transmission assembly. Install first double R guide rail, second double R guide rail and linear guide on the body, second double R guide rail stack is on first double R guide rail, and linear guide sets up side by side with the double R guide rail level after the stack, and slow door subassembly, well door subassembly and shutter subassembly are connected with first double R guide rail, second double R guide rail and linear guide cooperation respectively, and latch hook subassembly fixed mounting is on left and right shutter slide. The invention has compact structure, is suitable for small well space, runs stably without shaking, and the lengthened design of the slow door sliding plate and the middle door sliding plate improves the running stability and solves the problems that the existing small door opening distance landing door device runs shaking, is easy to incline when meeting resistance and can not reset.

Inventors

  • Cao Tingwu
  • GONG GENMING

Assignees

  • 江苏马尔默机电科技有限公司

Dates

Publication Date
20260508
Application Date
20260317

Claims (10)

  1. 1. The middle three-folding door device of the linear guide rail is characterized by comprising a body, a sill, a middle door assembly, a shutter assembly, a door plate and a lock hook assembly, wherein the door plate is arranged below the slow door assembly, the middle door assembly and the shutter assembly, linkage is realized among the slow door assembly, the middle door assembly and the shutter assembly through a transmission assembly, a sliding block is arranged at the bottom of the door plate, a sliding groove which is matched with the sliding block in a clearance is formed in the sill, and the sliding block can slide along the sliding groove; The elevator door comprises a body, a first double-R guide rail, a second double-R guide rail and a linear guide rail, wherein the first double-R guide rail, the second double-R guide rail and the linear guide rail are fixedly arranged on the body, the second double-R guide rail is stacked on the first double-R guide rail and is supported with a cushion cylinder through a screw to form a fixed gap, the linear guide rail and the stacked double-R guide rail are horizontally parallel, and the three guide rails extend along the same horizontal direction of an elevator door; The slow door assembly comprises a left slow door slide plate and a right slow door slide plate, the left slow door slide plate and the right slow door slide plate are matched with a first double-R guide rail and do reverse sliding movement along the first double-R guide rail, the middle door assembly comprises a left middle door slide plate and a right middle door slide plate, the left middle door slide plate and the right middle door slide plate are matched with a second double-R guide rail and do reverse sliding movement along the second double-R guide rail, the shutter assembly comprises a left shutter slide plate and a right shutter slide plate, the left shutter slide plate and the right shutter slide plate are fixedly connected with sliding blocks on the linear guide rail, and the left shutter slide plate and the right shutter slide plate can do reverse sliding movement along the linear guide rail; The lock hook component comprises a lock body piece and a lock hook piece in hooking fit with the lock body piece, and the lock body piece and the lock hook piece are respectively fixedly arranged on the left shutter sliding plate and the right shutter sliding plate; the device also comprises an emergency unlocking mechanism, wherein the emergency unlocking mechanism is a lintel lock or a door plate lock.
  2. 2. The linear guide rail middle three-folding door device according to claim 1, wherein the transmission assembly comprises a first transmission assembly, a second transmission assembly and a third transmission assembly, the first transmission assembly comprises a first left small rope wheel, a second left small rope wheel, a left small steel wire rope, a first right small rope wheel, a second right small rope wheel and a right small steel wire rope, and the first left small rope wheel and the second left small rope wheel are respectively fixed on the left side and the right side of the upper end of the left slow door sliding plate; the left small steel wire rope is wound on the first left small rope wheel and the second left small rope wheel, one side of the left small steel wire rope is connected with the left middle door sliding plate, and the other side of the left small steel wire rope is fixedly connected with the body through a pressing block; the first right small rope wheel and the second right small rope wheel are respectively fixed on the left side and the right side of the upper end of the right slow door sliding plate, the right small steel wire rope is wound on the first right small rope wheel and the second right small rope wheel, one side of the right small steel wire rope is connected with the right middle door sliding plate, and the other side of the right small steel wire rope is fixedly connected with the body through a pressing block.
  3. 3. The linear guide rail middle three-folding door device according to claim 2, wherein the second transmission assembly comprises a first middle rope wheel, a second middle rope wheel, a first middle steel wire rope, a third middle rope wheel, a fourth middle rope wheel and a second middle steel wire rope, and the first middle rope wheel and the second middle rope wheel are respectively fixed on the left side and the right side of the upper end of the left middle door sliding plate; The first middle wire rope is wound on the first middle rope pulley and the second middle rope pulley, one side of the first middle wire rope is connected with the left shutter sliding plate, and the other side of the first middle wire rope is fixedly connected with the left middle shutter sliding plate through a pressing block; The third middle rope wheel and the fourth middle rope wheel are respectively fixed on the left side and the right side of the upper end of the right middle door sliding plate, the second middle steel wire rope is wound on the third middle rope wheel and the fourth middle rope wheel, one side of the second middle steel wire rope is connected with the right shutter sliding plate, and the other side of the second middle steel wire rope is fixedly connected with the right middle door sliding plate through a pressing block.
  4. 4. The linear guide rail middle three-folding door device according to claim 3, wherein the third transmission assembly comprises a left large rope wheel, a right large rope wheel and a large steel wire rope, and the left large rope wheel and the right large rope wheel are symmetrically arranged left and right and are fixed on the body through screws; The large steel wire rope is wound on the left large rope wheel and the right large rope wheel, one side of the large steel wire rope is fixedly connected with the right shutter sliding plate, and the other side of the large steel wire rope is fixedly connected with the left shutter sliding plate through a pressing block.
  5. 5. The three-fold door device in the linear guide rail, as set forth in claim 4, wherein the left slow door slide plate and the right slow door slide plate are each fixedly provided with 2 first upper pulleys, and are each detachably connected with 2 first lower pulleys through nuts, the first upper pulleys are arranged on the upper side of the first double-R guide rail in a fitting manner, the first lower pulleys are arranged on the lower side of the first double-R guide rail in a fitting manner, and the first upper pulleys and the first lower pulleys are in sliding fit with the first double-R guide rail; The left middle door slide plate and the right middle door slide plate are fixedly provided with 2 second upper pulleys, and are detachably connected with 2 second lower pulleys through nuts, the second upper pulleys are arranged on the upper side of the second double-R guide rail in a lamination mode, the second lower pulleys are arranged on the lower side of the second double-R guide rail in a lamination mode, and the second upper pulleys and the second lower pulleys are in sliding fit with the second double-R guide rail; The left slow door slide plate, the right slow door slide plate, the left middle door slide plate and the right middle door slide plate are respectively provided with an inclined long hole, and the installation positions of the inclined long holes are adjusted by adjusting the first lower pulley and the second lower pulley, so that the gaps between the first lower pulley and the second lower pulley and the first double-R guide rail and the second double-R guide rail can be adjusted.
  6. 6. The three-fold door device in the linear guide rail of claim 5, wherein the left shutter sliding plate and the right shutter sliding plate are fixedly connected and welded with the sliding blocks on the linear guide rail through countersunk head screws, so that the left shutter sliding plate and the right shutter sliding plate are prevented from being shifted after being influenced by external force; the lower ends of the left shutter sliding plate and the right shutter sliding plate are respectively provided with 2 third lower pulleys, and the third lower pulleys are clung to the linear guide rail; the plastic material is arranged on the surface of the third lower pulley, so that stable operation is ensured, and the door plate can not incline when noise is reduced and the door plate is impacted by external force.
  7. 7. The device for a three-fold door in a linear guide rail of claim 1, further comprising a return assembly, wherein the return assembly is a return spring, one end of the return spring is connected with the left middle door sliding plate, and the other end of the return spring is connected with the body.
  8. 8. The device of claim 7, wherein the reset assembly is a reset weight, a reset pulley is fixedly mounted on one side of the body, the reset weight comprises weight pieces and weight steel wire ropes, one ends of the weight steel wire ropes are connected with the weight pieces, and the other ends of the weight steel wire ropes bypass the reset pulley and are fixedly connected with the left middle door sliding plate.
  9. 9. The three-fold door device of the linear guide rail of claim 6, wherein the left shutter sliding plate and the right shutter sliding plate are provided with adjusting pieces for adjusting tightness of the large steel wire rope, the first small steel wire rope or the second small steel wire rope.
  10. 10. The linear guide rail middle three-fold door device of claim 9, wherein the left slow door slide plate, the right slow door slide plate, the left middle door slide plate and the right middle door slide plate are all designed to be lengthened, so that running shake of the slide plates is eliminated.

Description

Three-fold door device in linear guide rail Technical Field The invention relates to the technical field of middle-split three-fold doors, in particular to a linear guide rail middle-split three-fold door device. Background In elevator landing door device technical field, well divide three layer door structures because of can adapt to different well and open the door demand, be widely applied to all kinds of elevator equipment, especially in the scene that receives building space restriction, need adopt little to open the door and apart from the design in the application in the majority. The conventional middle-split three-fold door device is limited by the design of small door opening distance in the actual use process, and has the defects that firstly, the small door opening distance leads to narrow door plate width and light weight, and the door hanging plate width at the joint of the door plates is limited by installation space, so that the device is easy to shake integrally in the operation process, the operation stability is poor, secondly, the narrow door hanging plate is matched with the door plate structure, the door plate is easy to incline when the door plate is closed, operated and opened in place under the working condition of external force resistance, and can not be reset independently after the resistance is eliminated, so that door gaps are too large, not only can the door machine operation be blocked, the elevator frequently fails, but also potential safety hazards of personnel and article blocking can be formed, thirdly, the guide design of the conventional middle-split three-fold door is not optimized for the actual requirements of small well and large door opening distance, the door opening distance can not be increased as much as possible while the installation space is matched, and the use requirements under partial scenes are difficult to be met. The existing middle-split three-fold small door opening device has the problems that the running stability is poor, the device is inclined easily and cannot be reset when meeting resistance, faults and potential safety hazards are caused by overlarge door gaps, the small well installation and the large door opening distance use requirements are difficult to consider, and the like, so that the middle-split three-fold door device with an optimized structure is needed to solve the technical defects. Disclosure of Invention The present invention is directed to a three-fold door device in a linear guide, which solves the above-mentioned problems in the prior art. In order to achieve the above purpose, the invention provides a linear guide rail middle-three folding door device, which comprises a body, a sill, a slow door component, a middle door component, a shutter component, a door plate and a lock hook component, wherein the door plate is arranged below the slow door component, the middle door component and the shutter component, linkage is achieved among the slow door component, the middle door component and the shutter component through a transmission component, a sliding block is arranged at the bottom of the door plate, a sliding groove matched with a gap of the sliding block is formed in the sill, and the sliding block can slide along the sliding groove; The elevator door comprises a body, a first double-R guide rail, a second double-R guide rail and a linear guide rail, wherein the first double-R guide rail, the second double-R guide rail and the linear guide rail are fixedly arranged on the body, the second double-R guide rail is stacked on the first double-R guide rail and is supported with a cushion cylinder through a screw to form a fixed gap, the linear guide rail and the stacked double-R guide rail are horizontally parallel, and the three guide rails extend along the same horizontal direction of an elevator door; The slow door assembly comprises a left slow door slide plate and a right slow door slide plate, the left slow door slide plate and the right slow door slide plate are matched with a first double-R guide rail and do reverse sliding movement along the first double-R guide rail, the middle door assembly comprises a left middle door slide plate and a right middle door slide plate, the left middle door slide plate and the right middle door slide plate are matched with a second double-R guide rail and do reverse sliding movement along the second double-R guide rail, the shutter assembly comprises a left shutter slide plate and a right shutter slide plate, the left shutter slide plate and the right shutter slide plate are fixedly connected with sliding blocks on the linear guide rail, and the left shutter slide plate and the right shutter slide plate can do reverse sliding movement along the linear guide rail; The lock hook component comprises a lock body piece and a lock hook piece in hooking fit with the lock body piece, and the lock body piece and the lock hook piece are respectively fixedly arranged on the left shutter slidin