Light step chain and escalator

Abstract

The utility model relates to a light stair chain and escalator relates to stair chain technical field, wherein the light stair chain includes chain body and connecting rod, the chain body is rotatingly equipped with connecting piece, connecting piece is equipped with connecting groove, connecting rod inserts into connecting groove, connecting groove inner wall is equipped with connecting block, the connecting rod inserts into the connecting groove, connecting groove inner wall is equipped with connecting block. The connecting rod is provided with a first connecting clamping groove and a second connecting clamping groove, the connecting rod is provided with a first transition groove connecting the first connecting clamping groove and the second connecting clamping groove, the connecting clamping block can penetrate through the first connecting clamping groove and the first transition groove to be inserted into the second connecting clamping groove, and the connecting rod is provided with a locking assembly. The locking assembly is used for locking the connecting clamping block in the second connecting clamping groove. The connecting rod has the effect of improving the dismounting and replacing convenience of the connecting rod.

Description

Technical Field

[0001] The utility model relates to the technical field of step chains, in particular to a light step chain and an escalator. Background Art

[0002] Inside an escalator, a step chain is provided to connect steps and drive the steps to move for lifting. Existing step chains mostly include the chain itself and connecting rods. The connecting rods are used to connect the steps and are arranged between two step chains.

[0003] In the prior art, in the case of a large load on the steps, in order to ensure the stability of the connection between the connecting rod and the chain, the connecting pipe connecting rod and the chain are mostly connected by bolts. After long-term use, the connecting rod will be worn and needs to be replaced. However, the light step chain itself has a small load, and the bolts used for connection may also be worn after long-term use, resulting in inconvenient disassembly of the bolts when replacing the connecting rod, making the disassembly and replacement of the connecting rod relatively troublesome. Summary of the Utility Model

[0004] In order to improve the convenience of disassembling and replacing the connecting rod, the present application provides a light step chain and an escalator.

[0005] The light step chain and escalator provided by the present application adopt the following technical solutions:

[0006] A light step chain includes a chain body and a connecting rod. A connecting block is rotatably arranged on the chain body. The connecting block is provided with a connecting groove. The connecting rod is inserted into the connecting groove. The inner wall of the connecting groove is provided with a connecting clamping block. The connecting rod is provided with a first connecting clamping groove and a second connecting clamping groove. The connecting rod is provided with a first transition groove connecting the first connecting clamping groove and the second connecting clamping groove. The connecting clamping block can pass through the first connecting clamping groove and the first transition groove and be inserted into the second connecting clamping groove. The connecting rod is provided with a locking assembly for locking the connecting clamping block in the second connecting clamping groove.

[0007] By adopting the above technical solutions, when connecting the connecting rod and the chain body, the connecting rod is inserted into the connecting groove of the connecting block, and the connecting clamping block is inserted into the first connecting clamping groove. The connecting rod is rotated to make the connecting clamping block pass through the first process groove, and then the connecting rod is pushed to make the connecting clamping block inserted into the second connecting clamping groove. Then, the connecting clamping block is locked in the second connecting clamping groove through the locking assembly. Then, the inner wall of the second connecting clamping groove is tightened by the connecting clamping block, thereby completing the connection between the connecting rod and the connecting block. When disassembly is required, the locking is released through the locking assembly, and then the connecting rod is pushed to rotate and move, so that the connecting clamping block is disengaged from the second connecting clamping groove, the first transition groove, and the first connecting clamping groove in sequence, and the chain body and the connecting rod can be disassembled. Compared with bolt connection, the convenience of disassembling and replacing the connecting rod is improved.

[0008] Preferably, the locking assembly includes a locking spring and a locking plate. The connecting rod is provided with a locking groove communicating with the first connecting slot, the second connecting slot and the first transition groove. The locking plate is slidably arranged in the locking groove. The locking spring is arranged in the locking groove and connected to the locking plate. The connecting block can be inserted into the locking groove and abutted against the locking plate.

[0009] By adopting the above technical solution, while pushing the connecting block to move in the first connecting slot, the locking plate is pushed to compress the locking spring. When the connecting block is inserted into the second connecting slot, the locking spring restores and pushes the locking plate to drive the connecting block to be inserted into the second connecting slot and abut tightly against the inner wall of the second connecting slot, thereby realizing locking, and the operation is simple and convenient.

[0010] Preferably, the locking plate is provided with a locking block, the inner wall of the locking groove is provided with a locking slot, and the locking block is slidably arranged in the locking slot.

[0011] By adopting the above technical solution, the locking block is adapted to slide in the locking slot, so as to limit the locking plate to a certain extent, reduce the possibility that the skew of the locking plate affects the movement of the connecting block, thereby affecting installation and disassembly, and improve the stability of the movement of the locking plate.

[0012] Preferably, the locking slot penetrates through the outer wall of the connecting rod. The connecting rod is sleeved with an auxiliary ring, the auxiliary ring is connected to the locking block, the auxiliary ring abuts against the connecting block, and the auxiliary ring can cover the second connecting slot, the locking slot and the first transition groove.

[0013] By adopting the above technical solution, by arranging the auxiliary ring, the auxiliary ring abuts against the connecting block and moves synchronously with the locking plate. The auxiliary ring can share the pressure borne by the locking plate. At the same time, the auxiliary ring can cooperate with the connecting block to shield the first connecting slot, the second connecting slot, the locking slot and the first transition groove, reduce the possibility of foreign matters mixing into the inside of the connecting rod, improve the cleanliness, and reduce the possibility that foreign matters get stuck in the locking spring and affect disassembly or installation.

[0014] Preferably, the connecting rod is provided with a fixing block, the inner wall of the connecting slot is provided with a first fixing slot and a second fixing slot, the inner wall of the connecting slot is provided with a second transition groove communicating the first fixing slot and the second fixing slot, and the fixing block can pass through the first fixing slot and the second transition groove and be inserted into the second fixing slot.

[0015] By adopting the above technical solution, by arranging the fixing block, during connection, the fixing block moves synchronously with the connecting block, passes through the first fixing slot and the second transition groove in sequence and is inserted into the second fixing slot. By abutting the fixing block tightly against the inner wall of the second fixing slot, the pressure borne by the connecting block and the second connecting slot can be shared, the wear speed of the connecting block and the second connecting slot can be reduced, and the durability can be improved.

[0016] Preferably, the side wall of the connecting clamping block and the inner wall of the second connecting clamping groove are both arc-shaped and can fit each other, and the side wall of the fixing block and the inner wall of the second fixing groove are both arc-shaped and can fit each other.

[0017] By adopting the above technical solution, through the arc-shaped setting, the contact area between the side wall of the connecting clamping block and the inner wall of the second connecting clamping groove, and between the side wall of the fixing block and the inner wall of the second fixing groove is increased, thereby reducing the pressure, slowing down the wear speed, and improving the durability.

[0018] Preferably, the connecting rod is provided with first anti-slip lines.

[0019] By adopting the above technical solution, by setting the first anti-slip lines, the friction force is increased, so as to facilitate the rotation of the connecting rod during disassembly and installation, and improve the convenience.

[0020] An escalator includes a ladder body and a light step chain, and the chain body and the connecting rod are both movably arranged in the ladder body.

[0021] By adopting the above technical solution, the chain body is fixed in the ladder body through the track and can only move along the track, thereby limiting the chain body and reducing the possibility of the connection between the chain body and the connecting rod being disconnected due to the movement of the chain body. For the escalator provided with the light step chain, it is convenient to disassemble and replace between the chain and the connecting rod, and improve the convenience of maintenance and repair.

[0022] In summary, the present application includes at least one of the following beneficial technical effects:

[0023] 1. By setting the chain body, the connecting rod, the connecting block, the connecting groove, the connecting clamping block, the first connecting clamping groove, the second connecting clamping groove, the first transition groove and the locking assembly, the connecting rod is inserted into the connecting groove of the connecting block on the chain body. At this time, the connecting clamping block on the connecting block is inserted into the first connecting clamping groove. Rotate the connecting rod so that the connecting clamping block passes through the first transition groove and is inserted into the second connecting clamping groove. Push the connecting rod to move to drive the connecting clamping block to abut against the inner wall of the second connecting clamping groove. At this time, the connecting clamping block is locked and fixed in the second connecting clamping groove through the locking assembly, so as to realize the connection and installation. When the connecting rod bears gravity during use, the connecting clamping block abuts against the inner wall of the second connecting clamping groove to achieve fixation. When disassembling, release the locking of the locking assembly, and drive the connecting clamping block to disengage from the second connecting clamping groove, the first transition groove and the first connecting clamping groove in sequence to disassemble the chain loop and the connecting rod. Compared with bolt connection, the convenience of disassembling and replacing the connecting rod is improved;

[0024] 2. By setting the locking groove, locking plate and locking spring, when the connecting block moves in the first connecting card slot, it pushes the locking plate to move in the locking groove and compress the locking spring. When the connecting block is inserted into the second locking groove, the locking spring rebounds to push the locking plate and then push the connecting block to be fixed in the second connecting card slot. During disassembly, push the connecting block to move in the second connecting card slot and push the locking plate to compress the locking spring. When the connecting block enters the first connecting card slot, the locking spring rebounds to push the locking plate and then push the connecting block to move, improving the convenience of disassembly;

[0025] 3. By setting the locking block, locking card slot and auxiliary ring, the auxiliary ring and the locking plate are connected through the locking block. When the locking plate moves, the locking block moves in the locking card slot, thereby driving the auxiliary ring to move. By the auxiliary ring abutted against the connecting block, the first connecting card slot, the second connecting card slot and the first transition slot are shielded, reducing the possibility of foreign objects entering the connecting rod and affecting the use and disassembly. Description of the Drawings

[0026] Figure 1 is an overall schematic diagram of an escalator provided by an embodiment of the present application.

[0027] Figure 2 is a partial schematic diagram of a light-duty step chain provided by an embodiment of the present application.

[0028] Figure 3 is a schematic diagram of the connecting block after disassembly.

[0029] Figure 4 is a schematic diagram of the connecting rod after the auxiliary ring is disassembled.

[0030] Figure 5 is a cross-sectional view of the connecting rod for showing the structure of the locking component.

[0031] Description of the Reference Numerals: 1. Chain body; 2. Connecting rod; 21. First connecting card slot; 22. First transition slot; 23. Second connecting card slot; 24. Locking groove; 241. Locking card slot; 25. Fixed block; 26. First anti-slip pattern; 27. Auxiliary ring; 3. Connecting block; 31. Connecting slot; 32. Connecting block; 33. First fixing slot; 34. Second fixing slot; 35. Second transition slot; 36. Second anti-slip pattern; 4. Locking component; 41. Locking plate; 411. Locking block; 42. Locking spring; 5. Ladder body; Detailed Description of the Embodiment

[0032] The following is a further detailed description of the present application in combination with the attached Figures 1-5 drawings.

[0033] An embodiment of the present application discloses a light-duty step chain and an escalator. Refer to Figures 1 to 5, the escalator includes a ladder body 5 and a step chain. The step chain is movably arranged in a track inside the ladder body 5. The step chain includes two chain bodies 1 and a plurality of connecting rods 2, and the connecting rods 2 are arranged between the chain bodies 1. A plurality of cylindrical connecting blocks 3 are rotatably arranged on the side wall of the chain body 1 close to the connecting rod 2. A connecting groove 31 for the connecting rod 2 to be adaptively inserted is arranged on the side wall of the connecting block 3 away from the chain body 1. Two connecting clamping blocks 32 are integrally and fixedly arranged on the inner wall of the connecting groove 31. The bottom wall of the connecting clamping block 32 is flush with the bottom wall of the connecting block 3, and the top wall of the connecting clamping block 32 is set to be arc-shaped. A first connecting clamping groove 21 and a second connecting clamping groove 23 are arranged on the outer side wall of the connecting rod 2 along the length direction. A first transition groove 22 communicating the first connecting clamping groove 21 and the second connecting clamping groove 23 is arranged on the outer side wall of the connecting rod 2. The first connecting clamping groove 21 communicates with the side wall of the connecting rod 2 close to the chain body 1. The first connecting clamping block 32 can be adaptively passed through the first connecting clamping groove 21 and the first transition groove 22, and the first connecting clamping block 32 can be adaptively inserted into the second connecting clamping groove 23 and abutted against the arc-shaped inner top wall of the second connecting clamping groove 23. The connecting rod 2 is provided with a locking assembly 4 for locking the connecting clamping block 32 in the second connecting clamping groove 23. A plurality of second anti-slip lines 36 are arranged on the outer wall of the connecting block 3, and a plurality of first anti-slip lines 26 are arranged on the outer side wall of the connecting rod 2. The connecting clamping block 32 passes through the first connecting clamping groove 21 and the first transition groove 22 and is inserted into the second connecting clamping groove 23, and is locked by the locking assembly 4, so that the connection is completed by the connecting clamping block 32 pressing against the inner wall of the second connecting clamping groove 23, which is convenient for subsequent disassembly and replacement.

[0034] In order to improve the convenience of locking, refer to Figure 2 and Figure 5, the locking component 4 includes a locking spring 42 and a locking plate 41. A locking groove 24 communicating with the first connection card slot 21, the second connection card slot 23, and the first transition groove 22 is arranged along the length direction inside the connecting rod 2. The locking plate 41 is slidably arranged in the locking groove 24 in a matching manner. The connection card block 32 can be inserted into the locking groove 24 and abuts against the locking plate 41. One end of the locking spring 42 is fixedly connected to the bottom wall of the locking groove 24, and the other end of the locking spring 42 is fixedly connected to the locking plate 41. A locking card block 411 is fixedly arranged on the side wall of the locking plate 41. A locking card slot 241 communicating with the locking groove 24 is arranged on the outer side wall of the connecting rod 2. The locking card block 411 is slidably inserted into the locking card slot 241 in a matching manner. The locking rod is appropriately provided with an auxiliary ring 27 in a ring shape that can cover the second connection card slot 23, the locking card slot 241, and the first transition groove 22. The inner wall of the auxiliary ring 27 is integrally and fixedly connected to the locking card block 411. The side wall of the auxiliary ring 27 close to the connection block 3 is flush with the side wall of the locking plate 41 close to the connection block 3. The auxiliary ring 27 can abut against the connection block 3. By pushing the locking plate 41 with the locking spring 42 to abut tightly against the connection card block 32, and at the same time, the locking plate 41 drives the auxiliary ring 27 to abut tightly against the connection block 3, thus completing the locking. The operation is simple and convenient, improving the convenience of locking. At the same time, the first connection card slot 21, the second connection card slot 23, the locking card slot 241, and the first transition groove 22 are shielded by the auxiliary ring 27 and the connection block 3, thereby reducing the possibility of foreign objects entering the connecting rod 2.

[0035] In order to improve the stability of fixation, referring to Figure 3 and Figure 4 , two fixing blocks 25 are integrally and fixedly arranged on the side wall of the connecting rod 2. The top wall of the fixing block 25 is arc-shaped. A first fixing groove 33 communicating with the bottom wall is arranged on the inner wall of the connection groove 31. A second fixing groove 34 and a second filtering groove are arranged on the inner wall of the connection groove 31. The second transition groove 35 is arranged horizontally and communicates with the first fixing groove 33 and the second fixing groove 34. The fixing block 25 can pass through the first fixing groove 33 and the second transition groove 35 in a matching manner. The fixing block 25 can be inserted into the second fixing groove 34 in a matching manner and abut tightly against the arc-shaped inner wall of the second fixing groove 34. By the fixing block 25 abutting against the inner wall of the second fixing groove 34, the pressure borne by the connection card block 32 is shared, thereby improving the connection and fixation stability between the connecting rod 2 and the connection block 3.

[0036] The implementation principle of a light step chain and an escalator in an embodiment of this application is as follows: After removing the light step chain from the escalator body 5, when disassembling the connecting rod 2, first push the connecting rod 2 or the chain body 1 so that the connecting block 32 exits the second connecting slot 23 and push the locking plate 41 to compress the locking spring 42. Synchronously, the fixing block 25 exits the second fixing slot 34. Rotate the connecting rod 2 to drive the connecting block 32 to pass through the first transition slot 22 and the fixing block 25 to pass through the second fixing slot 34. At this time, push the connecting rod 2, and the locking spring 42 restores to push the locking plate 41 to drive the connecting block 32 to move out of the first connecting slot 21. Continue to pull out the connecting rod 2 so that the connecting rod 2 can be disengaged from the connecting slot 31, thus realizing the disassembly of the connecting rod 2. During installation, insert the connecting rod 2 into the connecting slot 31. During this process, the connecting block 32 is inserted into the first connecting slot 21 and pushes the locking plate 41 to move and compress the locking spring 42. At the same time, the fixing block 25 is inserted into the first fixing slot 33. Rotate the connecting rod 2 so that the connecting block 32 passes through the first transition slot 22 and the fixing block 25 passes through the second fixing slot 34. At this time, the connecting block 32 is inserted into the second connecting slot 23. Release the connecting rod 2, and the locking spring 42 restores to push the locking plate 41 to drive the connecting block 32 to abut against the inner wall of the second connecting slot 23. At this time, the fixing block 25 abuts against the inner wall of the second fixing slot 34, and at the same time, the auxiliary ring 27 abuts against the connecting block 3, thus completing the installation. During the use of the escalator, the connecting rod 2 is stressed so that the connecting block 32 abuts against the inner wall of the second connecting slot 23. Compared with bolt connection, the disassembly and installation operations of the connecting rod 2 in this application are more convenient, and it will not be deformed under pressure during use, resulting in difficult replacement.

[0037] The above are all the preferred embodiments of this application, and the protection scope of this application is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of this application should be covered within the protection scope of this application.

Claims

1. A light step chain, characterized in that: It includes a chain body (1) and a connecting rod (2). A connecting block (3) is rotatably arranged on the chain body (1). The connecting block (3) is provided with a connecting groove (31). The connecting rod (2) is inserted into the connecting groove (31). The inner wall of the connecting groove (31) is provided with a connecting clamping block (32). The connecting rod (2) is provided with a first connecting clamping groove (21) and a second connecting clamping groove (23). The connecting rod (2) is provided with a first transition groove (22) connecting the first connecting clamping groove (21) and the second connecting clamping groove (23). The connecting clamping block (32) can pass through the first connecting clamping groove (21) and the first transition groove (22) and be inserted into the second connecting clamping groove (23). The connecting rod (2) is provided with a locking assembly (4), and the locking assembly (4) is used to lock the connecting clamping block (32) in the second connecting clamping groove (23).

2. A light step chain according to claim 1, characterized in that: The locking assembly (4) includes a locking spring (42) and a locking plate (41). The connecting rod (2) is provided with a locking groove (24) that communicates with the first connecting clamping groove (21), the second connecting clamping groove (23), and the first transition groove (22). The locking plate (41) is slidably arranged in the locking groove (24). The locking spring (42) is arranged in the locking groove (24) and connected to the locking plate (41). The connecting clamping block (32) can be inserted into the locking groove (24) and abutted against the locking plate (41).

3. A light step chain according to claim 2, characterized in that: The locking plate (41) is provided with a locking clamping block (411). The inner wall of the locking groove (24) is provided with a locking clamping groove (241). The locking clamping block (411) is slidably arranged in the locking clamping groove (241).

4. A light step chain according to claim 3, characterized in that: The locking clamping groove (241) penetrates the outer side wall of the connecting rod (2). An auxiliary ring (27) is sleeved on the connecting rod (2). The auxiliary ring (27) is connected to the locking clamping block (411). The auxiliary ring (27) abuts against the connecting block (3). The auxiliary ring (27) can cover the second connecting clamping groove (23), the locking clamping groove (241), and the first transition groove (22).

5. A lightweight ladder chain according to claim 1, characterized in that: The connecting rod (2) is provided with a fixing block (25). The inner wall of the connecting groove (31) is provided with a first fixing groove (33) and a second fixing groove (34). The inner wall of the connecting groove (31) is provided with a second transition groove (35) connecting the first fixing groove (33) and the second fixing groove (34). The fixing block (25) can pass through the first fixing groove (33) and the second transition groove (35) and be inserted into the second fixing groove (34).

6. A light step chain according to claim 5, characterized in that: The side wall of the connecting clamping block (32) and the inner wall of the second connecting clamping groove (23) are both arc-shaped and can fit each other. The side wall of the fixing block (25) and the inner wall of the second fixing groove (34) are both arc-shaped and can fit each other.

7. A light step chain according to claim 1, characterized in that: The connecting block (3) is provided with a first anti-slip pattern (26).

8. An escalator, characterized in that: It includes a ladder body (5) and the light ladder chain as described in claim 1. The chain body (1) and the connecting rod (2) are both movably arranged in the ladder body (5).

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