Escalator truss connecting piece

Abstract

The utility model relates to the field of escalators, and discloses an escalator truss connecting piece which comprises frames, a plurality of sets of connecting pieces are arranged on the periphery of each frame, and the frames are connected together through the multiple sets of connecting pieces. The first connecting piece and the second connecting piece in the device are fixed to the four corners of the frame respectively, the pressure of connecting points is effectively dispersed, the structural stability of the whole escalator truss is enhanced, meanwhile, due to the combined design of the springs, the pins and the inclined blocks in the clamping cylinders, certain elasticity and self-adaptability are achieved in the connecting process, and the connecting efficiency is improved. The small size difference between different frames can be dealt with, and the stability and the reliability of connection are further improved; according to the device, primary mechanical locking is achieved through the clamping cylinder and the conical head, secondary fixing is conducted through the bolt penetrating through the mounting holes of the first fixing ring and the second fixing ring, a double-locking mechanism is formed, the connection firmness is greatly enhanced through the design, the escalator truss is effectively prevented from loosening or falling off in the using process, and the service life of the escalator truss is prolonged. And the safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of escalator, concretely is a kind of escalator truss connecting piece. BACKGROUND

[0002] With the continuous development of society, people's living standards improve rapidly, escalator is widely applied in the place of large and concentrated passenger flow due to its convenience and efficiency, and the stability and safety of escalator truss, as an important structural component of escalator, are directly related to the operation effect and service life of the whole escalator, therefore, the design and manufacture of escalator truss connecting piece are particularly important, most of the existing escalator truss connecting pieces are simple in structure, single in function, and not tightly and firmly connected, and the connecting piece is prone to looseness when used for a long time or subjected to vibration and impact, which leads to the decline of the overall stability of the escalator and the existence of safety hazards, the fixing bolt assembly in the existing connecting piece is prone to damage or looseness when subjected to large tension and shear force, which not only affects the normal operation of the escalator, but also can lead to the failure of the connecting piece, and further cause more serious accidents, therefore, we propose a kind of escalator truss connecting piece. SUMMARY

[0003] (I) technical problem solved

[0004] In view of the deficiencies in the prior art, the utility model provides an escalator truss connecting piece, which solves the above problems.

[0005] (II) technical scheme

[0006] To achieve the above purpose, the utility model provides the following technical scheme: an escalator truss connecting piece, comprising a frame, a plurality of connecting pieces are arranged around the frame, and the frames are connected together through the plurality of connecting pieces, and further comprising:

[0007] The clamping sleeve and the conical head are arranged inside the sleeve pipe and one side of the conical pipe respectively, are used for quick connection and positioning, and make subsequent installation more convenient.

[0008] Preferably, the connecting piece comprises a first connecting piece and a second connecting piece, a group of first connecting pieces are fixedly installed at the four corners of one side of the frame, and a group of second connecting pieces are fixedly installed at the four corners of the side of the frame away from the first connecting pieces.

[0009] Preferably, the first connecting piece comprises a sleeve pipe, a first fixing ring and a clamping sleeve, one side of the sleeve pipe is fixedly installed with the frame, the side of the sleeve pipe away from the frame is provided with an opening and is hollow inside, the clamping sleeve is fixedly installed on the side of the inside of the sleeve pipe away from the opening, and the first fixing ring is fixedly installed on the side of the sleeve pipe close to the opening.

[0010] Preferably, the second connecting piece comprises a conical pipe, a second fixing ring and a conical head, one side of the conical pipe is fixedly installed with the frame, the side of the conical pipe away from the frame is fixedly installed with the conical head, and the side of the conical pipe close to the frame is fixedly installed with the second fixing ring.

[0011] Preferably, the clamping sleeve comprises a spring, a pin and an inclined block, a plurality of groups of holes are formed in the periphery of the clamping sleeve close to the bottom end, the pins are slidably clamped in the plurality of groups of holes, the other ends of the plurality of groups of pins are fixedly installed with a plurality of groups of inclined blocks, the middle portions of the plurality of groups of pins are sleeved with a plurality of groups of springs, and the side of the clamping sleeve away from the plurality of groups of holes is fixedly installed with the inside of the sleeve pipe.

[0012] Preferably, the conical head comprises a base, a fixed column, a conical head and a sliding conical head, the fixed column is fixedly installed at the top end of the base, the conical head is fixedly installed at the top end of the fixed column, the sliding conical head is slidably clamped at the middle portion of the fixed column, the sliding conical head is in the opposite direction of the conical head, and the conical head is fixedly installed on the conical pipe through the base.

[0013] Preferably, the diameter of the conical pipe is the same as the hollowed internal diameter of the sleeve pipe, the same number of installation holes are formed in the second fixing ring and the first fixing ring, and the plurality of groups of installation holes correspond to each other.

[0014] (Three) beneficial effects

[0015] Compared with the prior art, the utility model provides a staircase truss connecting piece, has the following beneficial effects:

[0016] 1、 the staircase truss connecting piece, the first connecting piece and the second connecting piece in the device are fixed at the four corners of the frame respectively, effectively disperses the pressure of connecting point, strengthens the structural stability of whole staircase truss, simultaneously, the spring, the pin and the inclined block combination design in the inside of clamping sleeve make the connecting process have certain elasticity and self -adaptability, can respond to the slight size difference between different frames, further improve the stability and reliability of connection.

[0017] 2、 the staircase truss connecting piece, the device not only realizes the mechanical lock of primary through clamping sleeve and conical head, but also is fixed through the installation hole of first fixing ring and second fixing ring by bolt, forms double lock mechanism, this design greatly enhances the firmness of connection, effectively prevents the loosening or falling off of staircase truss in the use process, improves the safety. ACCURACY OF DRAWINGS

[0018] Figure 1 It is a three-dimensional main structure schematic diagram of the utility model;

[0019] Figure 2 It is a three-dimensional local structure schematic diagram of the utility model;

[0020] Figure 3 It is the first connecting piece structure schematic view of the utility model;

[0021] Figure 4 It is the second connecting piece structure schematic view of the utility model;

[0022] Figure 5 It is the conical head structure schematic view of the utility model;

[0023] Figure 6 It is the carding tube structure section view schematic view of the utility model.

[0024] In the drawing: 1, frame; 2, connecting piece; 3, first connecting piece; 4, second connecting piece; 5, sleeve pipe; 6, first fixed ring; 7, carding tube; 8, conical pipe; 9, second fixed ring; 10, conical head; 11, base; 12, fixed column; 13, conical head; 14, sliding conical head; 15, spring; 16, pin; 17, inclined block. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] Please refer to Figures 1-6 A ladder truss connecting piece, comprising a frame 1, a plurality of connecting pieces 2 are arranged around the frame 1, the frame 1 and the frame 1 are connected together through the plurality of connecting pieces 2, further comprising:

[0027] The carding tube 7 and the conical head 10 are arranged inside the sleeve pipe 5 and one side of the conical pipe 8 respectively, for quick connection and positioning, so that subsequent installation is more convenient.

[0028] Further, the connecting piece 2 comprises a first connecting piece 3 and a second connecting piece 4, a group of first connecting pieces 3 are fixedly installed at the four corners of one side of the frame 1, a group of second connecting pieces 4 are fixedly installed at the four corners of the side of the frame 1 away from the first connecting piece 3, the first connecting piece 3 and the second connecting piece 4 are fixed at the four corners of the frame 1, and the four-corner fixed design effectively disperses the pressure of the connecting point, enhances the structural stability of the whole ladder truss, and ensures the safe and reliable use of the ladder.

[0029] Further, the first connecting piece 3 comprises a sleeve pipe 5, a first fixing ring 6 and a clamping sleeve 7, one side of the sleeve pipe 5 is fixedly installed with the frame 1 together, the side of the sleeve pipe 5 away from the frame 1 is provided with an opening and the inside is hollowed out, the inside of the sleeve pipe 5 away from the opening is fixedly installed with the clamping sleeve 7, the side of the sleeve pipe 5 close to the opening is fixedly installed with the first fixing ring 6, the modular design of the first connecting piece 3 and the second connecting piece 4 makes it easy to disassemble and reinstall when maintenance or replacement of parts is needed, reduces the maintenance cost and improves the convenience of maintenance.

[0030] Further, the second connecting piece 4 comprises a tapered pipe 8, a second fixing ring 9 and a tapered head 10, one side of the tapered pipe 8 is fixedly installed with the frame 1 together, the side of the tapered pipe 8 away from the frame 1 is fixedly installed with the tapered head 10, the side of the tapered pipe 8 close to the frame 1 is fixedly installed with the second fixing ring 9, the combination of the spring 15, the pin 16 and the inclined block 17 designed inside the clamping sleeve 7 makes the connection process have a certain elasticity and self-adaptability, which can easily cope with the slight size difference between different frames, improves the flexibility and compatibility of the connection.

[0031] Further, the clamping sleeve 7 comprises a spring 15, a pin 16 and an inclined block 17, a group of holes are formed around the clamping sleeve 7 close to the bottom end, and the pins 16 are slidingly clamped in the multiple groups of holes, one end of the multiple groups of pins 16 is fixedly installed with a group of inclined blocks 17, the middle part of the multiple groups of pins 16 is sleeved with a group of springs 15, and the side of the clamping sleeve 7 away from the multiple groups of holes is fixedly installed with the inside of the sleeve pipe 5.

[0032] Further, the tapered head 10 comprises a base 11, a fixed column 12, a tapered head 13 and a sliding tapered head 14, the fixed column 12 is fixedly installed at the top end of the base 11, the tapered head 13 is fixedly installed at the top end of the fixed column 12, the sliding tapered head 14 is slidingly clamped at the middle part of the fixed column 12, and the sliding tapered head 14 is in the opposite direction of the tapered head 13, the tapered head 10 is fixedly installed on the tapered pipe 8 through the base 11, and the design of the tapered head 10, especially the base 11, the fixed column 12, the tapered head 13 and the sliding tapered head 14 contained therein, realizes the tight mechanical locking through the cooperation with the clamping sleeve 7, enhances the firmness of the connection, and effectively prevents the escalator truss from loosening or falling off during use.

[0033] Further, the diameter of the tapered pipe 8 is the same as the inside diameter of the hollowed-out sleeve pipe 5, the same number of installation holes are formed on the second fixing ring 9 and the first fixing ring 6, and the multiple groups of installation holes correspond to each other, the diameters of the tapered pipe 8 and the sleeve pipe 5 are matched, and the same number and position of installation holes are designed on the second fixing ring 9 and the first fixing ring 6, which ensures that the connecting pieces between different frames can be used interchangeably, improves the standardization and universality of the escalator truss connecting piece, and reduces the production and storage cost.

[0034] Working principle: the four sides of the frame 1 are respectively provided with a plurality of connecting members 2, which are used to realize the connection between the frames, the first connecting member 3 and the second connecting member 4 are respectively fixed at the four corners of the frame 1 to ensure the stability of the structure, the diameter of the tapered pipe 8 is the same as the hollowed internal diameter of the sleeve pipe 5, which provides the basis for the connection, when two frames 1 need to be connected together, first, the tapered head 10 of the second connecting member 4 is aligned with the sleeve pipe 5 of the first connecting member 3, when the tapered head 10 starts to insert the clamping cylinder 7, the taper head 13 on it will contact the pin 16 inside the clamping cylinder 7, the tapered design of the taper head 13 makes it easy to push a plurality of pins 16 to one side, at the same time, the spring 15 in the middle of the pin 16 is compressed, with the continuous insertion of the tapered head 10, the pin 16 will be clamped on the fixed column 12 under the action of the spring 15, realizing the initial mechanical locking, when the tapered head 10 is completely inserted into the clamping cylinder 7, the design of the sliding taper head 14 in the opposite direction of the taper head 13 ensures the firmness of the connection, the sliding of the sliding taper head 14 on the fixed column 12 further enhances the stability of the connection, preventing the ladder truss from loosening or falling off during use, at this time, the first fixed ring 6 and the second fixed ring 9 are tightly fitted, the installation holes of the two are completely aligned, the first fixed ring 6 and the second fixed ring 9 are tightly fixed together by the bolt passing through the aligned installation holes, further reinforcing the stability of the connecting member, if the connecting member needs to be disassembled, first, the bolt needs to be loosened, and then the first fixed ring 6 and the second fixed ring 9 are fixed, then the tapered head 10 is continuously pushed to one side of the clamping cylinder 7, so that the bottom surface of the sliding taper head 14 contacts the pin 16 and pushes it to one side, when the pin 16 is pushed away, the tapered head 10 can be easily pulled out of the clamping cylinder 7, completing the disassembly process, the first fixed ring 6 and the second fixed ring 9 are both provided with the same number of installation holes, and a plurality of installation holes are corresponding to each other, this design ensures that the connecting members between different frames can be used interchangeably, improving the standardization and universality of the ladder truss connecting member.

[0035] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An escalator truss connector, comprising a frame (1), wherein multiple sets of connectors (2) are respectively arranged around the perimeter of the frame (1), and the frames (1) are connected together by the multiple sets of connectors (2), characterized in that, Also includes: The snap-fit ​​sleeve (7) and the conical head (10) are respectively located inside the sleeve tube (5) and on one side of the conical tube (8) for quick connection and positioning, making subsequent installation more convenient.

2. The escalator truss connector according to claim 1, characterized in that: The connector (2) includes a first connector (3) and a second connector (4). A set of first connectors (3) are fixedly installed at the four corners of one side of the frame (1), and a set of second connectors (4) are fixedly installed at the four corners of the side of the frame (1) away from the first connectors (3).

3. The escalator truss connector according to claim 2, characterized in that: The first connector (3) includes a sleeve (5), a first fixing ring (6) and a snap-fit ​​sleeve (7). One side of the sleeve (5) is fixedly installed with the frame (1). The sleeve (5) has an opening on the side away from the frame (1) and is hollowed out inside. The snap-fit ​​sleeve (7) is fixedly installed inside the sleeve (5) on the side away from the opening. The first fixing ring (6) is fixedly installed on the side of the sleeve (5) near the opening.

4. The escalator truss connector according to claim 3, characterized in that: The second connector (4) includes a tapered tube (8), a second fixing ring (9) and a tapered head (10). One side of the tapered tube (8) is fixedly installed with the frame (1). The tapered head (10) is fixedly installed on the side of the tapered tube (8) away from the frame (1). The second fixing ring (9) is fixedly installed on the side of the tapered tube (8) close to the frame (1).

5. The escalator truss connector according to claim 3, characterized in that: The snap-fit ​​cylinder (7) includes a spring (15), a pin (16) and a wedge (17). The snap-fit ​​cylinder (7) has a set of openings around its bottom end, and pins (16) are slidably snapped into multiple sets of openings. A set of wedges (17) is fixedly installed at the other end of each set of pins (16). A set of springs (15) is sleeved in the middle of each set of pins (16). The side of the snap-fit ​​cylinder (7) facing away from the multiple sets of openings is fixedly installed with the inside of the sleeve tube (5).

6. The escalator truss connector according to claim 4, characterized in that: The conical head (10) includes a base (11), a fixed column (12), a conical head (13), and a sliding conical head (14). The fixed column (12) is fixedly installed at the top of the base (11), and the conical head (13) is fixedly installed at the top of the fixed column (12). The sliding conical head (14) is slidably engaged in the middle of the fixed column (12). The sliding conical head (14) is in the opposite direction to the conical head (13). The conical head (10) is fixedly installed on the conical tube (8) through the base (11).

7. The escalator truss connector according to claim 4, characterized in that: The diameter of the tapered tube (8) is the same as the internal diameter of the hollowed-out sleeve tube (5). The second fixing ring (9) and the first fixing ring (6) are provided with the same number of mounting holes, and the multiple sets of mounting holes correspond to each other.

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