CN216971682U

CN216971682U - Handrail area compresses tightly chain subassembly

Info

Publication number: CN216971682U
Application number: CN202220643077.0U
Authority: CN
Inventors: 唐雪莲; 王明勇; 朱钧
Original assignee: Suzhou Crouch Machinery Co ltd
Current assignee: Suzhou Crouch Machinery Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-07-15
Anticipated expiration: 2032-03-23

Abstract

The utility model belongs to the technical field of staircase optimizing equipment, a handrail area compresses tightly chain subassembly is disclosed, including the chain, the inner of chain is equipped with the pinch roller, the pinch roller evenly arranges inside the chain, and the pinch roller rotates with the chain to be connected, the both ends of chain are connected with the guide frame through the rope, the inner wall of guide frame slides to run through there is the bolt, the lateral part slidable mounting of guide frame has the balladeur train, the bolt is installed in the inner of balladeur train dorsad guide frame's one end screw thread, the guide frame includes first support body, the draw-in groove has been seted up to the inner wall of first support body. This application adopts to revolve to twist the bolt for the bolt shortens the length of saddle and balladeur train to chain direction pulling balladeur train, and the length of whole device is conveniently finely tuned, thereby has improved the matching degree between device and the external straining device, has ensured the pressure that compresses tightly the wheel to the target handrail, increases the packing force that has improved the handrail area to the pressure of handrail through the pinch roller, has strengthened the stability, the durability that compress tightly the chain subassembly, the cost is reduced.

Description

Handrail area compresses tightly chain subassembly

Technical Field

The application belongs to the technical field of escalator optimization equipment, and particularly relates to a hand strap pressing chain assembly.

Background

When the escalator hand strap operates, synchronous movement of the hand strap and steps needs to be guaranteed, linear speed is kept consistent, the situation that pedestrians fall down is prevented, the hand strap is of a rubber structure, power needs to be provided by friction force of a friction wheel driven by a main shaft to carry out transmission operation, and a hand strap pressing chain assembly is a key component for pressing the hand strap on the friction wheel to guarantee reliable and stable operation of the transmission process of the force.

In the process of implementing the application, the inventor finds that at least the following problems exist in the technology: because the conventional pinch roller adopts the screw to adjust the matching degree, or directly matches the target through accurate production size, the production difficulty of the latter is higher, and the former is easy to loosen in the application process, thereby causing the problem that the length is easy to loosen by adopting the conventional screw.

To this end, we propose a handrail belt pressing chain assembly to solve the above problems.

SUMMERY OF THE UTILITY MODEL

The purpose of this application is in order to solve among the prior art, adopts conventional screw to adjust the easy not hard up problem of length, and the handrail area compress tightly chain subassembly that provides.

In order to achieve the purpose, the following technical scheme is adopted in the application: handrail area compresses tightly chain subassembly, including the chain, the inner of chain is equipped with the pinch roller, the pinch roller is evenly arranged inside the chain, and the pinch roller rotates with the chain to be connected, the both ends of chain are connected with the guide frame through the rope, the inner wall of guide frame slides and runs through there is the bolt, the lateral part slidable mounting of guide frame has the balladeur train, the bolt is installed in the inner of balladeur train to one end screw thread of guide frame dorsad.

The adoption revolves the bolt soon for the bolt is to chain direction pulling balladeur train, shortens the length of saddle and balladeur train and has made things convenient for micromatic setting's length, thereby has improved the degree of match between device and the external straining device and has ensured the pressure of pinch roller pair target handrail, can also obtain the balance between packing force, cost, stability, durability through optimizing the material and the quantity of gyro wheel.

Preferably, the guide frame comprises a first frame body, and a clamping groove is formed in the inner wall of the first frame body.

After screwing the bolt, the device is tightened and fixed, the bolt is clamped into the inner wall of the clamping groove by using tension, the bolt is prevented from loosening in the working process of the escalator, and the stability of an adjusting result is improved.

Preferably, the first frame body is located the outer end fixedly connected with first thickening piece of draw-in groove.

Increase the thickness of draw-in groove department through first thickening piece, improved the constraint intensity of draw-in groove to the bolt.

Preferably, the balladeur train includes connecting cylinder and second support body, the one end fixed connection of connecting cylinder is in the one end of second support body, the other end of connecting cylinder passes through the rope is fixed, the bolt thread is installed the inner of second support body, the second support body dorsad the lateral part sliding sleeve of connecting cylinder is in the outer wall of first support body.

Utilize second support body and first support body slidable mounting mode, the restriction second support body rotates, has prevented that the second support body from rotating along with the bolt is synchronous, has improved the stability of second support body when adjusting.

Preferably, the second frame body is located the outer end fixedly connected with second thickening piece of connecting cylinder.

Increase the thickness of second support body threaded connection department through second thickening piece, improved second support body and bolt threaded connection intensity.

Preferably, the bolt includes threaded rod and eight arris knobs, threaded rod and eight arris knobs structure as an organic whole, the threaded rod slides and runs through first support body screw thread is installed the inner wall of second support body, just the threaded rod runs through extremely the connecting cylinder is inboard, eight arris knobs can block in the inner wall of draw-in groove.

Through eight arris knobs and draw-in groove joint, prevent to use the in bolt from rotating by oneself, improved the stability of bolt state.

Preferably, one end of the octagonal knob, which is back to the threaded rod, is provided with a hexagonal groove.

The six-edge wrench is convenient to operate the eight-edge knob to rotate through the six-edge groove.

To sum up, the technical effect and the advantage of this application: 1. the adoption revolves the bolt soon for the bolt is to chain direction pulling balladeur train, shortens the length of guide frame and balladeur train, and the convenient length of fine setting whole device has improved the degree of matching between device and the external straining device, has ensured the pressure of pinch roller to the target handrail, increases the packing force that has improved the handrail area to the pressure of handrail through the pinch roller, has strengthened the stability, the durability that compress tightly the chain subassembly, the cost is reduced.

2. After screwing the bolt, the device is tightened and fixed, the bolt is clamped into the inner wall of the clamping groove by using tension, the bolt is prevented from loosening in the working process of the escalator, and the stability of an adjusting result is improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present application;

FIG. 2 is a schematic view of a guide frame structure of the present application;

fig. 3 is a schematic view of a carriage split structure of the present application;

fig. 4 is a schematic view of the bolt structure of the present application.

In the figure: 1. a chain; 2. a guide frame; 3. a carriage; 4. a bolt; 5. a pinch roller; 21. a first frame body; 22. a card slot; 23. a first thickening block; 31. a connecting cylinder; 32. a second thickening block; 33. a second frame body; 41. a threaded rod; 42. an octagonal knob; 43. hexagonal groove.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments.

Referring to fig. 1, the handrail strap pressing chain assembly comprises a chain 1, wherein a pressing wheel 5 is arranged at the inner end of the chain 1, the pressing wheel 5 is uniformly arranged inside the chain 1, the pressing wheel 5 is rotatably connected with the chain 1, two ends of the chain 1 are connected with a guide frame 2 through a rope, a bolt 4 penetrates through the inner wall of the guide frame 2 in a sliding manner, a sliding frame 3 is slidably mounted on the side portion of the guide frame 2, and one end of the bolt 4, which is opposite to the guide frame 2, is installed at the inner end of the sliding frame 3 through threads. Through revolving bolt 4 soon for bolt 4 pulls balladeur train 3 to 1 direction of chain, shortens the length of leading frame 2 and balladeur train 3, and the same reason reverse operation plays the effect of increasing length, conveniently finely tunes the length of whole device, and pinch roller 5 rolls and extrudes the target handrail outer wall.

Referring to fig. 2, the guide frame 2 includes a first frame 21, and a slot 22 is formed on an inner wall of the first frame 21. The clamping groove 22 is matched with the bolt 4 in a clamping mode, and the bolt 4 penetrates through the first frame body 21 in a sliding mode.

Referring to fig. 2, the first frame 21 is fixedly connected to a first thickening block 23 at an outer end of the slot 22. The thickness of the clamping groove 22 is increased by the first thickening block 23, and the binding strength of the clamping groove 22 to the bolt 4 is guaranteed.

Referring to fig. 2 and 3, the carriage 3 includes a connecting cylinder 31 and a second frame 33, and one end of the connecting cylinder 31 is fixedly connected to one end of the second frame 33. The other end of connecting cylinder 31 passes through the rope fixed, and bolt 4 screw thread is installed in the inner of second support body 33, and second support body 33 is in the outer wall of first support body 21 of lateral part slip cover dorsad connecting cylinder 31.

Referring to fig. 3, the second frame 33 is fixedly connected to the second thickening block 32 at the outer end of the connecting cylinder 31. The thickness of the threaded connection part of the second frame body 33 is increased by the second thickening block 32, so that the threaded connection strength of the second frame body 33 and the bolt 4 is guaranteed.

Referring to fig. 2, 3 and 4, the bolt 4 includes a threaded rod 41 and an octagonal knob 42, and the threaded rod 41 and the octagonal knob 42 are of an integral structure. The threaded rod 41 penetrates through the first frame body 21 in a sliding mode and is installed on the inner wall of the second frame body 33 in a threaded mode, the threaded rod 41 penetrates through the inner side of the connecting cylinder 31, the octagonal knob 42 can be clamped on the inner wall of the clamping groove 22, and during adjustment, the octagonal knob 42 is pushed out and then is screwed.

Referring to fig. 4, a hexagonal groove 43 is formed at an end of the octagonal knob 42 opposite to the threaded rod 41. Hexagonal socket 43 is used to mate with a hexagonal wrench.

The working principle is as follows: when the device needs to be shortened, the octagonal knob 42 is screwed to drive the threaded rod 41, the threaded rod 41 drives the second frame body 33 to slide along the first frame body 21 in the direction of the chain 1, and the lengths of the guide frame 2 and the sliding frame 3 are shortened; the reverse operation increases the length of the guide frame 2 and the sliding frame 3; in the application, utilize pulling force to act on connecting cylinder 31 for connecting cylinder 31 drives second support body 33 and acts on bolt 4, thereby makes the eight arris knobs 42 card of bolt 4 at draw-in groove 22 inner wall, prevents that bolt 4 from rotating in the application.

The above description is only for the preferred embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present application, and all equivalent substitutions and changes according to the technical solutions and the inventive concepts of the present application should be covered by the scope of the present application.

Claims

1. Handrail area compresses tightly chain subassembly, including chain (1), its characterized in that: the inner of chain (1) is equipped with pinch roller (5), pinch roller (5) are evenly arranged inside chain (1), and pinch roller (5) rotate with chain (1) and are connected, the both ends of chain (1) are connected with guide frame (2) through the rope, the inner wall of guide frame (2) slides and runs through there is bolt (4), the lateral part slidable mounting of guide frame (2) has balladeur train (3), the inner at balladeur train (3) is installed to the one end screw thread of bolt (4) guide frame (2) dorsad.

2. The handrail belt pressing chain assembly of claim 1, wherein: the guide frame (2) comprises a first frame body (21), and a clamping groove (22) is formed in the inner wall of the first frame body (21).

3. The handrail belt pressing chain assembly of claim 2, wherein: the outer end of the first frame body (21) located on the clamping groove (22) is fixedly connected with a first thickening block (23).

4. The handrail belt pressing chain assembly of claim 2, wherein: the balladeur train (3) are including connecting cylinder (31) and second support body (33), the one end fixed connection of connecting cylinder (31) is in the one end of second support body (33), the other end of connecting cylinder (31) passes through the rope is fixed, bolt (4) screw thread is installed the inner of second support body (33), second support body (33) dorsad the lateral part sliding sleeve of connecting cylinder (31) is in the outer wall of first support body (21).

5. The handrail belt pressing chain assembly of claim 4, wherein: the outer end of the second frame body (33) located on the connecting cylinder (31) is fixedly connected with a second thickening block (32).

6. The handrail belt pressing chain assembly of claim 4, wherein: bolt (4) are including threaded rod (41) and eight arris knob (42), threaded rod (41) and eight arris knob (42) structure as an organic whole, threaded rod (41) slide to run through first support body (21) screw thread is installed the inner wall of second support body (33), just threaded rod (41) run through to connecting cylinder (31) are inboard, eight arris knob (42) can block in the inner wall of draw-in groove (22).

7. The handrail belt pressing chain assembly of claim 6, wherein: and a hexagonal groove (43) is formed in one end, back to the threaded rod (41), of the octagonal knob (42).