Chain breakage prevention structure for row hanging door body

Abstract

The utility model provides a chain breaking prevention structure for a row hanging door body. The chain breaking prevention structure comprises a track, a pulley, a pin shaft, an anti-falling driving connecting block structure and an anti-skid clamping frame structure capable of being wrapped and sleeved. The traction frame, the fixing hole, the penetrating shaft, the driving plate and the connecting block are arranged, so that the driving plate is sleeved on the outer wall of the penetrating shaft in the use process, and the driving plate is prevented from falling off to influence the work in the long-time use process; the track, a traction frame, a rotating frame, a sleeving hole, a clamping plate, a wrapping plate and a clamping block are arranged in a matched manner, so that the rotating frame is pushed to rotate under the condition of no tension through a torsional spring arranged between the traction frame and the rotating frame in the using process, and then the clamping block is clamped in the track; the outer wall of the track is wrapped by the wrapping plate, braking work is achieved, and meanwhile the purpose of preventing sliding in the work process is achieved through the anti-skid protrusions arranged on the inner wall of the wrapping plate.

Description

Technical Field

[0001] The utility model belongs to the technical field of fast door safety protection equipment, and in particular relates to an anti-chain-breaking structure for a row-hanging door body. Background Art

[0002] In the application of fast doors, especially turbine hard fast doors (i.e., aluminum alloy fast doors), there is a widespread problem of non-uniform door body sizes on the market, and there are large differences in personalized customization. As a result, fast door products with various sizes and different door types will have a certain impact and damage on the service life of the chain to a considerable extent when running at high speed or for a long time under fatigue operation. Once the chain is an important component in the transmission mechanism, it will cause a considerable safety hazard once it breaks, especially when it breaks during the operation of the door body. In serious cases, it will cause personal injury, just like the chain of a bicycle suddenly breaks when riding a bicycle, which is extremely dangerous. Therefore, it is even more important to design a chain anti-breaking device in the product structure of the fast door. The chain anti-breaking device of the existing fast door includes a fixed base, a steel wire rope, a pin shaft, an anti-fall hook, a torsion spring, a connecting rod, a fixing ring, a slot, a hole, a guide rail, and a door panel connecting plate. The chain anti-breaking device of this fast door is prone to sliding during the braking process during use and the chain connection structure is prone to falling off during use. Utility Model Content

[0003] In order to solve the above technical problems, the utility model provides an anti-chain breakage structure for a row of hanging door bodies. By improving the chain connection mechanism during use, the chain connection mechanism is prevented from falling off and affecting the work during use, and the clamping brake mechanism is improved during use to prevent sliding during braking.

[0004] A chain-breaking prevention structure for hanging door bodies includes tracks, with pulleys slidably inserted between the tracks; a pin shaft passes through the interior of the pulley, and is characterized in that the upper outer wall of the pulley is provided with an anti-falling driving connection block structure; the lower outer wall of the pulley is provided with a wrappable and sleeved anti-slip card frame structure.

[0005] Preferably, the anti-fall-off driving connection block structure includes a traction frame, and fixing holes are respectively opened inside the bottom end of the traction frame; a through shaft passes through the middle position inside the upper end of the traction frame; the front end outer wall and the rear end outer wall of the through shaft are respectively sleeved with driving plates; the left end of the driving plate is respectively bolted to the right front and right rear of the connection block.

[0006] Preferably, the wrappable, sleeved, anti-slip clamping frame structure includes a rotating frame, a sleeve hole is opened inside the upper end of the rotating frame; a clamping plate is bolted to the middle position of the bottom end of the rotating frame; a wrapping plate is bolted to the lower part of the front surface and the lower part of the rear surface of the clamping plate respectively; a clamping block is glued to the lower right side of the clamping plate.

[0007] Compared with the prior art, the beneficial effects of the present invention are:

[0008] 1. In the present invention, the arrangement of the traction frame, the fixing hole, the through shaft, the driving plate and the connecting block is conducive to the driving plate being sleeved on the outer wall of the through shaft during use, thereby preventing the driving plate from falling off and affecting work during long-term use.

[0009] 2. In the utility model, the track, traction frame, rotating frame, socket hole, clamping plate, wrapping plate and clamping block are arranged in coordination with each other, which is conducive to pushing the rotating frame to rotate in the absence of tension through the torsion spring arranged between the traction frame and the rotating frame during use, and then making the clamping block clamped to the inside of the track and making the wrapping plate wrap around the outer wall of the track to achieve braking work. At the same time, the anti-slip protrusions arranged on the inner wall of the wrapping plate can prevent sliding during work. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a structural diagram of the present utility model.

[0011] Figure 2 It is a structural schematic diagram of the anti-falling driving connection block structure of the utility model.

[0012] Figure 3 It is a structural schematic diagram of the wrappable sleeve anti-slip card-jointed frame structure of the present invention.

[0013] In the picture:

[0014] 1. Track; 2. Pulley; 3. Pin; 4. Anti-drop drive connecting block structure; 41. Traction frame; 42. Fixing hole; 43. Through shaft; 44. Driving plate; 45. Connecting block; 5. Wrappable and non-slip clamping frame structure; 51. Rotating frame; 52. Socket hole; 53. Clamping plate; 54. Wrapping plate; 55. Clamping block. DETAILED DESCRIPTION

[0015] The present invention will be described in detail below with reference to the accompanying drawings. Figure 1 and attached Figure 2As shown, an anti-breaking chain structure for row and hanging door bodies includes a track 1, a pulley 2, a pin 3, an anti-falling driving connection block structure 4 and a wrappable anti-skid card frame structure 5. The pulley 2 is slidably inserted between the tracks 1; the pin 3 is passed through the interior of the pulley 2; the upper end outer wall of the pulley 2 is provided with an anti-falling driving connection block structure 4; the lower end outer wall of the pulley 2 is provided with a wrappable anti-skid card frame structure 5; the anti-falling driving connection block structure 4 includes a traction frame 41, a fixing hole 42, a through shaft 43, a driving plate 44 and a connection block 45, and the bottom inner part of the traction frame 41 A fixing hole 42 is provided; a through shaft 43 is passed through the middle position of the upper end of the traction frame 41; the front end outer wall and the rear end outer wall of the through shaft 43 are respectively sleeved with driving plates 44; the left end of the driving plate 44 is bolted to the right front and right rear of the connecting block 45 respectively; when in use, the track 1 is installed and fixed in a suitable position, and the pulley 2 is slidably set between the track 1, and then the chain or wire rope is connected through the connecting block 45, which is convenient for traction work during use, and at the same time, the driving plate 44 is sleeved on the outer wall of the through shaft 43 to prevent the chain from falling off during long-term use.

[0016] In this embodiment, combined with the Figure 3 As shown, the wrappable sleeve anti-slip clamping frame structure 5 includes a rotating frame 51, a sleeve hole 52, a clamping plate 53, a wrapping plate 54 and a clamping block 55. The sleeve hole 52 is opened inside the upper end of the rotating frame 51; a clamping plate 53 is bolted to the middle position of the bottom end of the rotating frame 51; the wrapping plate 54 is bolted to the lower part of the front surface and the lower part of the rear surface of the clamping plate 53 respectively; the clamping block 55 is glued to the lower right side of the clamping plate 53; during use, the clamping plate 53 is connected to the upper end of the rotating frame 51 by a chain. During traction, the traction frame 41 is in a vertical state, and a torsion spring is arranged between the outer wall of the lower end of the traction frame 41 and the inner wall of the upper end of the rotating frame 51, so that the rotating frame 51 is in a vertical state during the movement. Then, after the chain releases the tension of the traction frame 41, the torsion force of the torsion spring pushes the rotating frame 51 to rotate, and the clamping block 55 is clamped into the inside of the track 1, and the wrapping plate 54 is sleeved on the outer wall of the track 1. The same work is performed during the chain breakage process to achieve the purpose of the anti-chain breakage structure.

[0017] In this embodiment, specifically, a bearing is provided between the pulley 2 and the pin 3 ; the pin 3 is provided at a middle position between the rails 1 .

[0018] In this embodiment, specifically, a roller is sleeved on the middle position of the outer wall of the through shaft 43 and a bearing is provided at the connection; a bearing is provided at the connection between the through shaft 43 and the driving plate 44, and the driving plate 44 is respectively provided on the upper front surface and the upper rear surface of the traction frame 41; the connecting block 45 adopts an inclined T-shaped stainless steel block with a through hole at the left end; the traction frame 41 adopts an inverted U-shaped stainless steel frame with an arc-shaped lower end.

[0019] In this embodiment, specifically, the traction frame 41 is sleeved on the upper outer wall of the pulley 2; the pin shaft 3 passes through the fixing hole 42 and a bearing is provided at the connection; the driving plate 44 is respectively provided on the front surface and the rear surface of the pulley 2.

[0020] In this embodiment, specifically, the wrapping plate 54 is a stainless steel plate with a protrusion on the inner wall; the clamping block 55 is a rubber block with a protrusion on the right side; and the rotating frame 51 is an arc-shaped U-shaped stainless steel frame at the upper end.

[0021] In this embodiment, specifically, the rotating frame 51 is sleeved on the outer wall of the lower end of the pulley 2; the pin shaft 3 passes through the interior of the sleeve hole 52 and a bearing is provided at the connection.

[0022] In this embodiment, specifically, the upper end of the rotating frame 51 is arranged on the outer wall of the lower end of the traction frame 41 and a torsion spring is provided between the inner wall of the upper end of the rotating frame 51 and the outer wall of the lower end of the traction frame 41 .

[0023] How it works

[0024] When the chain is pulled, the traction frame 41 is in a vertical state. The torsion spring provided between the outer wall of the lower end of the traction frame 41 and the inner wall of the upper end of the rotating frame 51 makes the rotating frame 51 in a vertical state during the movement. Then, after the chain releases the tension of the traction frame 41, the torsion force of the torsion spring pushes the rotating frame 51 to rotate, and makes the clamping block 55 clamped to the inside of the track 1. At the same time, the wrapping plate 54 is sleeved on the outer wall of the track 1, and the same work is performed during the chain breakage to achieve the purpose of the anti-chain break structure.

[0025] Utilizing the technical solution described in the present invention, or those skilled in the art designing similar technical solutions inspired by the technical solution of the present invention to achieve the above-mentioned technical effects, all fall within the scope of protection of the present invention.

Claims

1. A chain-breaking prevention structure for a door body, comprising a track (1), wherein pulleys (2) are slidably inserted between the tracks (1); a pin (3) penetrates the interior of the pulley (2); and the characteristics are as follows: The upper outer wall of the pulley (2) in the anti-chain-breaking structure for hanging door bodies is provided with an anti-falling driving connection block structure (4); the lower outer wall of the pulley (2) is provided with a wrapping sleeve anti-slip clamping frame structure (5).

2. The anti-chain-breaking structure for row-hanging door bodies according to claim 1, characterized in that: The anti-falling driving connection block structure (4) comprises a traction frame (41), wherein fixing holes (42) are respectively opened inside the bottom end of the traction frame (41); a through shaft (43) passes through the middle position inside the upper end of the traction frame (41); the front end outer wall and the rear end outer wall of the through shaft (43) are respectively sleeved with driving plates (44); the left end of the driving plate (44) is respectively bolted to the right front and right rear of the connection block (45).

3. The anti-chain-breaking structure for row-hanging door bodies according to claim 1, characterized in that: The wrappable sleeve-type anti-slip snap-on frame structure (5) comprises a rotating frame (51), a sleeve hole (52) is provided inside the upper end of the rotating frame (51); a snap-on plate (53) is bolted to the middle position of the bottom end of the rotating frame (51); a wrapping plate (54) is bolted to the lower part of the front surface and the lower part of the rear surface of the snap-on plate (53); and a snap-on block (55) is glued to the lower right side of the snap-on plate (53).

4. The anti-chain-breaking structure for row-hanging door bodies according to claim 2, characterized in that: A roller is sleeved in the middle of the outer wall of the through shaft (43) and a bearing is arranged at the connection; a bearing is arranged at the connection between the through shaft (43) and the driving plate (44), and the driving plate (44) is respectively arranged on the upper front surface and the upper rear surface of the traction frame (41).

5. The anti-chain-breaking structure for row-hanging door bodies according to claim 2, characterized in that: The traction frame (41) is sleeved on the upper outer wall of the pulley (2); the pin shaft (3) passes through the fixing hole (42) and a bearing is provided at the connection; the driving plate (44) is respectively provided on the front surface and the rear surface of the pulley (2).

6. The anti-chain-breaking structure for row-hanging door bodies according to claim 3, characterized in that: The rotating frame (51) is sleeved on the outer wall of the lower end of the pulley (2); the pin shaft (3) passes through the inside of the sleeve hole (52) and a bearing is provided at the connection point.

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