Channel

Abstract

The utility model discloses a channel, relates to the work platform technical field, the channel includes aisle subassembly and guard plate subassembly, aisle subassembly includes aisle and first side plate, the first side plate is connected to at least one side of aisle, the top surface of first side plate is provided with slot, the both ends of first side plate length direction are respectively provided with first connecting hole, guard plate subassembly is provided with the guard plate subassembly. The protection plate assembly comprises a protection plate and two supporting plates, the bottom end of the protection plate is inserted into the inserting groove, the two supporting plates are connected to the two sides of the protection plate respectively, the bottom ends of the supporting plates are lower than the bottom end of the protection plate, the bottom ends of the two supporting plates are attached to the end faces of the two ends of the first side plate respectively, and first fasteners are installed between the bottom ends of the two supporting plates and the first connecting holes. The channel disclosed by the utility model is simpler in assembly, more time-saving and labor-saving, and more stable and reliable in connection.

Description

Technical Field

[0001] This utility model relates to the field of work platform technology, and in particular to a channel. Background Technology

[0002] High-altitude work platforms such as train maintenance platforms or aircraft maintenance platforms are equipped with walkways for workers to move through. These walkways include aisles and guardrails or panels on both sides. The panels prevent metal shavings and residue generated during welding, grinding, cutting, and other maintenance work from flying onto the walkway and affecting workers. In related technologies, the panels are typically attached to the outer wall of the walkway and secured with multiple fasteners. This method is not only cumbersome and time-consuming to assemble, but also prone to instability due to the weight of the panels. Utility Model Content

[0003] This invention aims to solve at least one of the technical problems existing in the prior art. To this end, this invention proposes a channel that is not only simpler to assemble, saving more time and effort, but also provides a more stable and reliable connection.

[0004] According to an embodiment of the present invention, a passageway includes a walkway assembly and a guardrail assembly. The walkway assembly includes a walkway and a first side plate. The first side plate is connected to at least one side of the walkway. The top surface of the first side plate is provided with a slot, and the two ends of the first side plate along its length are respectively provided with first connecting holes. The guardrail assembly includes a guardrail and two support plates. The bottom end of the guardrail is inserted into the slot. The two support plates are respectively connected to the two sides of the guardrail. The bottom end of the support plate is lower than the bottom end of the guardrail. The bottom ends of the two support plates are respectively attached to the end faces of the two ends of the first side plate, and a first fastener is installed between them and the first connecting holes.

[0005] The channel according to the embodiments of this utility model has at least the following beneficial effects:

[0006] When the guard plate needs to be installed, insert the bottom end of the guard plate into the slot on the top surface of the first side plate, and make the bottom ends of the support plates on both sides of the guard plate fit against the end faces of the two ends of the first side plate. Finally, install the first fastener between the bottom end of the support plate and the first connecting hole. The assembly is more convenient, saves more time and effort, and the guard plate and the first side plate are not only inserted into each other, but also connected by the first fastener, making the connection more stable and reliable.

[0007] According to some embodiments of the present invention, the first side plate is formed with a plurality of first weight-reducing cavities, the first weight-reducing cavities are disposed through the length of the first side plate, and at least a portion of the inner wall of the first weight-reducing cavities is provided with first connecting ribs, the first connecting ribs forming the first connecting holes.

[0008] According to some embodiments of the present invention, at least a portion of the first weight reduction cavity is equipped with a first connecting block by a second fastener, the first connecting block is provided with a first threaded hole, and a third fastener is installed between the bottom end of the support plate and the first threaded hole.

[0009] According to some embodiments of the present invention, the inner side of the first side plate is provided with a relief groove corresponding to the first connecting block, and the side wall of the relief groove is provided with a first through hole for the second fastener to pass through, and one end of the second fastener is located in the relief groove.

[0010] According to some embodiments of the present invention, the first side panel is connected to one side of the walkway, the walkway assembly further includes a second side panel, the second side panel is connected to the side of the walkway away from the first side panel, and the passageway further includes a guardrail, the guardrail is connected to the outer wall of the second side panel.

[0011] According to some embodiments of the present invention, the passage further includes a decorative cover, which is connected to the outer wall of the second side panel. The bottom end of the guardrail is housed between the decorative cover and the second side panel. The decorative cover includes a central decorative profile and two corner decorative profiles. The central decorative profile includes an upper profile and a lower profile. The top end of the lower profile is connected to the upper profile. The lower profile bends from top to bottom toward the second side panel. The two corner decorative profiles are respectively connected to the two ends of the central decorative profile. The corner decorative profiles bend toward the second side panel in a direction away from the central decorative profile, and the bottom end of the corner decorative profile bends from top to bottom toward the second side panel.

[0012] According to some embodiments of the present invention, the walkway includes multiple treads arranged side by side, each tread having a fixing hole at both ends, a connecting block passing through the fixing hole, the connecting block being connected to the first side plate or the second side plate by a fourth fastener, and both ends of the connecting block being bent toward the connected first side plate or the second side plate.

[0013] According to some embodiments of the present invention, the bottom of the inner side of the first side plate and the second side plate are provided with mounting grooves. The mounting grooves are provided through the length of the first side plate or the second side plate. One end of the fourth fastener is engaged in the mounting groove and can be removed from one end of the mounting groove.

[0014] According to some embodiments of the present invention, the top of the support plate is higher than the top of the guard plate, the guard plate assembly also includes a hand guard, the hand guard is snapped into the top of the guard plate, the two ends of the hand guard are respectively provided with second connecting holes, the tops of the two support plates are respectively attached to the end faces of the two ends of the hand guard, and a fifth fastener is installed between them and the second connecting holes.

[0015] According to some embodiments of the present invention, the handguard has a second weight-reducing cavity, which is provided through the handguard along its length. The inner wall of the second weight-reducing cavity is provided with a second connecting rib, which forms a second connecting hole. A second connecting block is installed in the second weight-reducing cavity by a sixth fastener. The second connecting block is provided with a second threaded hole. A seventh fastener is installed between the top of the support plate and the second threaded hole.

[0016] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and some advantages will become apparent from the description or may be learned by practice of the invention. Attached Figure Description

[0017] The present invention will be further described below with reference to the accompanying drawings and embodiments, wherein:

[0018] Figure 1 This is a schematic diagram of the channel structure according to an embodiment of the present utility model;

[0019] Figure 2 for Figure 1 Another perspective view;

[0020] Figure 3 for Figure 1 A schematic diagram of the walkway components in the diagram;

[0021] Figure 4 for Figure 1 Enlarged view of point A in the middle;

[0022] Figure 5 for Figure 3 Enlarged view of point B in the middle;

[0023] Figure 6 for Figure 3 Another perspective view;

[0024] Figure 7 for Figure 6 Enlarged view of point C in the middle;

[0025] Figure 8 This is a schematic diagram of the walkway components installation.

[0026] Figure 9 for Figure 8 Enlarged view of point D in the middle;

[0027] Figure 10 for Figure 8 A schematic diagram of the structure of the first side plate;

[0028] Figure 11 for Figure 1 A schematic diagram of the protective plate assembly;

[0029] Figure 12 for Figure 11 Enlarged view at point E in the middle;

[0030] Figure 13 for Figure 11 A schematic diagram of the handguard structure;

[0031] Figure 14 for Figure 11 A schematic diagram showing the connection between the guard plate and the support plate;

[0032] Figure 15 for Figure 1 A schematic diagram of the structure of the decorative cover in the image;

[0033] Figure 16 for Figure 15 A structural diagram of the intermediate decorative profile;

[0034] Figure 17 for Figure 15 A structural diagram of the corner decorative profiles in the design.

[0035] Icon labels:

[0036] Walkway assembly 100; Walkway 101; First side plate 102; Slot 103; First connecting hole 104; First weight-reducing cavity 105; First connecting rib 106; Second fastener 107; First connecting block 108; First threaded hole 109; Clearance groove 110; Second side plate 111; Pedal 112; Fixing hole 113; Connecting pressure block 114; Fourth fastener 115; Mounting groove 116;

[0037] Guard plate assembly 200; Guard plate 201; Support plate 202; First fastener 203; Third fastener 204; Hand guard 205; Second connecting hole 206; Fifth fastener 207; Second weight reduction cavity 208; Second connecting rib 209; Sixth fastener 210; Second connecting block 211; Second threaded hole 212; Seventh fastener 213; Slot 214; Eighth fastener 215; H-profile 216; Sealing strip 217;

[0038] Guardrail 300;

[0039] Decorative cover 400; middle decorative profile 401; corner decorative profile 402; upper profile 403; lower profile 404; first connector 405; second connector 406. Detailed Implementation

[0040] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0041] In the description of this utility model, it should be understood that the orientation descriptions, such as up, down, etc., are based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0042] In the description of this utility model, "multiple" refers to two or more. The use of "first" and "second" is for distinguishing technical features only and should not be construed as indicating or implying relative importance, or implicitly indicating the number of technical features or their sequential relationship.

[0043] In the description of this utility model, unless otherwise explicitly defined, terms such as "setting," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this utility model in conjunction with the specific content of the technical solution.

[0044] The following is for reference. Figures 1 to 17 Describes a channel according to an embodiment of the present utility model.

[0045] refer to Figures 1 to 11 As shown, the passage according to an embodiment of the present invention includes a walkway assembly 100 and a guardrail assembly 200.

[0046] The walkway assembly 100 includes a walkway 101 and a first side panel 102. The first side panel 102 is connected to at least one side of the walkway 101. For example, the first side panel 102 may be connected to the side of the walkway 101 closest to the maintenance area, and a second side panel 111 may be connected to the opposite side. Alternatively, the first side panel 102 may be connected to both sides of the walkway 101. The first side panel 102 may extend along the length of the side of the walkway 101. The top surface of the first side panel 102 is provided with a slot 103, which may extend and penetrate along the length of the first side panel 102. The two ends of the first side panel 102 along its length are respectively provided with first connecting holes 104. One or more first connecting holes 104 may be provided at the same end of the first side panel 102 along its length, for example, three first connecting holes 104 may be provided.

[0047] The protective plate assembly 200 includes a protective plate 201 and two support plates 202. The protective plate 201 can be made of wire mesh, acrylic sheet, or other suitable materials. The bottom end of the protective plate 201 is inserted into the slot 103. The two support plates 202 are respectively connected to the two sides of the protective plate 201. The bottom end of the support plate 202 is lower than the bottom end of the protective plate 201, that is, the bottom end of the support plate 202 extends downward to the lower side of the protective plate 201. The bottom ends of the two support plates 202 are respectively attached to the end faces of the two ends of the first side plate 102. The support plate 202 can be provided with multiple mounting holes. The mounting holes at the bottom end of the support plate 202 are aligned with the first connecting hole 104 and a first fastener 203 is installed. The first fastener 203 can be a screw, rivet, etc.

[0048] In this embodiment, when the protective plate 201 needs to be installed, the bottom end of the protective plate 201 is inserted into the slot 103 on the top surface of the first side plate 102, and the bottom ends of the support plates 202 on both sides of the protective plate 201 are attached to the end faces of both ends of the first side plate 102. Finally, the first fastener 203 is installed between the bottom end of the support plate 202 and the first connecting hole 104. The assembly is more convenient, more time-saving and labor-saving. In addition to being inserted into each other, the protective plate 201 and the first side plate 102 are also connected by the first fastener 203. The protective plate 201 is directly supported on the first side plate 102. The first fastener 203 is subjected to less force, and the connection is more stable and reliable.

[0049] refer to Figure 4 , Figure 5 and Figure 10As shown, in some embodiments of this utility model, the first side plate 102 has multiple first weight-reducing cavities 105, which are arranged through the length of the first side plate 102. At least a portion of the inner wall of the first weight-reducing cavity 105 is provided with first connecting ribs 106, which form first connecting holes 104. For example, the first side plate 102 can be cut from a profile structure, and there can be multiple first weight-reducing cavities 105 arranged vertically. The first connecting ribs 106 include two arc-shaped structures, which enclose the first connecting hole 104. In this embodiment, the first side plate 102 is provided with multiple first weight-reducing cavities 105, making the first side plate 102 lighter, saving more material, and easier to process. The first connecting hole 104 is formed by the first connecting ribs 106, resulting in high structural strength and a more stable connection. Moreover, it eliminates the need to drill holes in the first side plate 102 to form the first connecting hole 104, thus preventing damage to the first side plate 102 and extending its service life.

[0050] refer to Figure 5 and Figure 10 As shown, in some embodiments of this utility model, at least a portion of the first weight-reducing cavity 105 is fitted with a first connecting block 108 via a second fastener 107. The first connecting block 108 is provided with a first threaded hole 109, and a third fastener 204 is installed between the bottom end of the support plate 202 and the first threaded hole 109. For example, the first connecting block 108 may be installed in two of the first weight-reducing cavities 105. The first connecting block 108 and the first side plate 102 may be connected by multiple second fasteners 107. The second fasteners 107 may be bolts, screws, or rivets. The first connecting block 108 is provided with a first threaded hole 109, and a portion of the mounting holes at the bottom end of the support plate 202 are aligned with the first threaded hole 109 and fitted with a third fastener 204. The third fastener 204 may be a screw. In this embodiment, in addition to being connected to the first side plate 102 via the first fastener 203, the support plate 202 is also additionally equipped with a first connecting block 108 via the second fastener 107. The support plate 202 is connected to the first connecting block 108 via the third fastener 204, making the connection more stable.

[0051] refer to Figure 5 and Figure 10 As shown, in some embodiments of this utility model, the inner side of the first side plate 102 is provided with a relief groove 110 corresponding to the first connecting block 108. The side wall of the relief groove 110 is provided with a first through hole for the second fastener 107 to pass through, and one end of the second fastener 107 is located in the relief groove 110. For example, the nut part of the second fastener 107 can be located in the relief groove 110, and the screw part of the second fastener 107 can pass through the first through hole. In this way, the relief groove 110 can hide the second fastener 107, which is not only more aesthetically pleasing, but also reduces the possibility of the second fastener 107 being exposed and loosening.

[0052] refer to Figures 1 to 3 as well as Figure 8 As shown, in some embodiments of this utility model, the first side plate 102 is connected to one side of the walkway 101. The walkway assembly 100 also includes a second side plate 111, which is connected to the side of the walkway 101 away from the first side plate 102. The walkway also includes a guardrail 300, which is connected to the outer wall of the second side plate 111. The second side plate 111 can extend along the length of the side of the walkway 101, and the guardrail 300 can be inserted, welded, or connected to the second side plate 111 by fasteners. In this embodiment, since iron filings and residues generated from welding, grinding, cutting, and other maintenance work are difficult to pass through the side of the walkway 101 away from the maintenance area, a simple guardrail 300 can be installed on the side of the walkway 101 away from the maintenance area. This results in a simpler structure, easier installation, and lower economic cost.

[0053] It should be noted that the structure of the second side plate 111 can be similar to that of the first side plate 102. For example, it can also be cut from a profile, or it can form multiple first weight-reducing cavities 105.

[0054] refer to Figure 1 , Figure 2 , Figures 15 to 17 As shown, in some embodiments of this utility model, the passage further includes a decorative cover 400, which is connected to the outer wall of the second side panel 111. The bottom end of the guardrail 300 is housed between the decorative cover 400 and the second side panel 111. The decorative cover 400 includes a middle decorative profile 401 and two corner decorative profiles 402. The middle decorative profile 401 includes an upper profile 403 and a lower profile 404. The top end of the lower profile 404 is connected to the upper profile 403. The lower profile 404 bends from top to bottom toward the second side panel 111. The two corner decorative profiles 402 are respectively connected to the two ends of the middle decorative profile 401. The corner decorative profiles 402 bend toward the second side panel 111 in a direction away from the middle decorative profile 401, and the bottom end of the corner decorative profiles 402 bends from top to bottom toward the second side panel 111. The decorative cover 400 prevents the connection between the bottom of the guardrail 300 and the second side panel 111 from being exposed, making it not only neater and more aesthetically pleasing, but also reducing the risk of damage.

[0055] It should be noted that the decorative cover 400 and the second side plate 111 can be connected by the first connector 405. Specifically, fasteners are installed between the first connector 405 and the decorative cover 400, and between the first connector 405 and the second side plate 111. Of course, the decorative cover 400 and the second side plate 111 can also be connected by snap-fit ​​or welding. There are multiple ways to connect the corner decorative profile 402 and the middle decorative profile 401. For example, the corner decorative profile 402 and the middle decorative profile 401 can be connected by the second connector 406. Specifically, fasteners are installed between the second connector 406 and the corner decorative profile 402, and between the second connector 406 and the middle decorative profile 401. Of course, the corner decorative profile 402 and the middle decorative profile 401 can also be connected by snap-fit ​​or welding. There are multiple ways to connect the upper profile 403 and the lower profile 404. For example, they can be snap-fitted together, integrally formed, or welded.

[0056] refer to Figures 7 to 10 As shown, in some embodiments of this utility model, the walkway 101 includes a plurality of side-by-side treads 112. Each tread 112 has one or more fixing holes 113 at both ends. A connecting block 114 passes through the fixing hole 113. The connecting block 114 is connected to the first side plate 102 or the second side plate 111 by a fourth fastener 115. Both ends of the connecting block 114 are bent toward the first side plate 102 or the second side plate 111 to which it is connected. For example, the fixing hole 113 can be a square hole, and the through direction of the fixing hole 113 can be the length direction of the first side plate 102 and the second side plate 111. The connecting block 114 passes through the fixing hole 113. When the connecting block 114 is connected to the first side plate 102, both ends of the connecting block 114 are bent toward the first side plate 102. When the connecting block 114 is connected to the second side plate 111, both ends of the connecting block 114 are bent toward the second side plate 111. The fourth fastener 115 can be a bolt or a screw. In this embodiment, by limiting the connection of the pressure block 114, the pedal 112 can be prevented from moving and shaking at will, making the connection more stable. Moreover, the pressure block 114 has a simple structure, is easy to install, and has a good limiting effect.

[0057] refer to Figure 7 and Figure 10As shown, in some embodiments of this utility model, the bottom inner sides of the first side plate 102 and the second side plate 111 are both provided with mounting grooves 116. The mounting grooves 116 are provided through the length of the first side plate 102 or the second side plate 111. One end of the fourth fastener 115 is engaged in the mounting groove 116 and can be removed from one end of the mounting groove 116. For example, the mounting groove 116 can be similar to a T-shaped groove. The fourth fastener 115 can include a bolt and a nut. The nut is engaged in the mounting groove 116. The bolt passes through the connecting pressure block 114 and is threadedly connected to the nut in the mounting groove 116. In this way, the pedal 112 can be installed and fixed. When it is necessary to remove the fourth fastener 115, loosen the fourth fastener 115 and then remove the nut of the fourth fastener 115 from one end of the mounting groove 116. The operation is simple and convenient, saving time and effort.

[0058] refer to Figures 11 to 13 As shown, in some embodiments of this utility model, the top of the support plate 202 is higher than the top of the guard plate 201. The guard plate assembly 200 also includes a hand guard 205, which is snapped into the top of the guard plate 201. The two ends of the hand guard 205 are respectively provided with second connecting holes 206. The tops of the two support plates 202 are respectively attached to the end faces of the two ends of the hand guard 205, and a fifth fastener 207 is installed between them and the second connecting holes 206. For example, the top of the support plate 202 can extend above both sides of the guard plate 201. The bottom of the hand guard 205 can be provided with a slot 214, and the top of the guard plate 201 can be snapped into the slot 214. The two ends of the hand guard 205 can each have one or more second connecting holes 206, for example, two second connecting holes 206. The mounting hole at the top of the support plate 202 can be aligned with the second connecting hole 206 and a fifth fastener 207 can be installed. The fifth fastener 207 can be a rivet or a screw. In this embodiment, a hand guard 205 is provided to reduce the risk of injury to workers from the guard plate 201. In addition to being snapped into the guard plate 201, the hand guard 205 is also connected to the support plate 202 via a fifth fastener 207, making the connection more secure.

[0059] refer to Figures 11 to 13As shown, in some embodiments of this utility model, the handguard 205 has a second weight-reducing cavity 208, which is provided through the handguard 205 along its length. The inner wall of the second weight-reducing cavity 208 is provided with a second connecting rib 209, which forms a second connecting hole 206. A second connecting block 211 is installed in the second weight-reducing cavity 208 through a sixth fastener 210. The second connecting block 211 is provided with a second threaded hole 212. A seventh fastener 213 is installed between the top of the support plate 202 and the second threaded hole 212. For example, the handguard 205 can be cut from a profile structure, the second weight-reducing cavity 208 can be located above the slot 214, the second connecting rib 209 includes two arc-shaped structures, and the two arc-shaped structures enclose to form a second connecting hole 206, the top wall of the slot 214 can be provided with a second through hole, the sixth fastener 210 can be inserted through the second through hole, the head of the sixth fastener 210 can be located inside the slot 214, the sixth fastener 210 can be a rivet or a screw, the second connecting block 211 is provided with a second threaded hole 212, the mounting hole at the top of the support plate 202 is aligned with the second threaded hole 212 and a seventh fastener 213 is installed, the seventh fastener 213 can be a screw.

[0060] In this embodiment, the handguard 205 is provided with a second weight-reducing cavity 208, making the handguard 205 lighter, saving materials, and easier to process. The second connecting hole 206 is formed by the second connecting rib 209, which has high structural strength and a more stable connection. Moreover, it eliminates the need to drill holes in the handguard 205 to form the second connecting hole 206, thus preventing damage to the handguard 205 and extending its service life. In addition to being connected to the handguard 205 by the fifth fastener 207, the support plate 202 is also additionally equipped with a second connecting block 211 by the sixth fastener 210. The support plate 202 is connected to the second connecting block 211 by the seventh fastener 213, making the connection even more stable.

[0061] refer to Figure 14 As shown, in some embodiments of this utility model, the support plate 202 is connected to the H-shaped profile 216 by an eighth fastener 215, and the guard plate 201 is snapped onto the side of the H-shaped profile 216 opposite to the support plate 202. A sealing strip 217 is provided between the guard plate 201 and the H-shaped profile 216. This arrangement makes the connection more stable and the sealing better.

[0062] The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings. However, the present utility model is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present utility model.

Claims

1. A channel, characterized in that, include: A walkway assembly includes a walkway and a first side panel, the first side panel being connected to at least one side of the walkway, the top surface of the first side panel having a slot, and the two ends of the first side panel along its length having first connecting holes respectively. The protective plate assembly includes a protective plate and two support plates. The bottom end of the protective plate is inserted into the slot. The two support plates are respectively connected to both sides of the protective plate. The bottom end of the support plate is lower than the bottom end of the protective plate. The bottom ends of the two support plates are respectively attached to the end faces of both ends of the first side plate, and a first fastener is installed between them and the first connecting hole.

2. The channel according to claim 1, characterized in that, The first side plate has a plurality of first weight-reducing cavities, which are arranged through the length of the first side plate. At least a portion of the inner wall of the first weight-reducing cavity is provided with a first connecting rib, which forms the first connecting hole.

3. The channel according to claim 2, characterized in that, At least a portion of the first weight-reduction cavity is fitted with a first connecting block via a second fastener. The first connecting block has a first threaded hole, and a third fastener is fitted between the bottom end of the support plate and the first threaded hole.

4. The channel according to claim 3, characterized in that, The inner side of the first side plate is provided with a relief groove corresponding to the first connecting block. The side wall of the relief groove is provided with a first through hole for the second fastener to pass through. One end of the second fastener is located in the relief groove.

5. The channel according to claim 1, characterized in that, The first side panel is connected to one side of the walkway, and the walkway assembly further includes a second side panel connected to the side of the walkway away from the first side panel. The walkway also includes a guardrail connected to the outer wall of the second side panel.

6. The channel according to claim 5, characterized in that, The passageway also includes a decorative cover connected to the second side panel, and the bottom end of the guardrail is housed between the decorative cover and the second side panel. The decorative cover includes: The middle decorative profile includes an upper profile and a lower profile, the top end of the lower profile is connected to the upper profile, and the lower profile is bent from top to bottom toward the second side plate; Two corner decorative profiles are respectively connected to the two ends of the middle decorative profile. The corner decorative profiles are bent toward the second side panel in a direction away from the middle decorative profile, and the bottom end of the corner decorative profiles is bent toward the second side panel from top to bottom.

7. The channel according to claim 5, characterized in that, The walkway includes multiple treads arranged side by side. Each tread has a fixing hole at both ends. A connecting block passes through the fixing hole. The connecting block is connected to the first side plate or the second side plate by a fourth fastener. Both ends of the connecting block are bent toward the first side plate or the second side plate to which they are connected.

8. The channel according to claim 7, characterized in that, The bottom inner side of both the first side plate and the second side plate is provided with a mounting groove. The mounting groove is provided through the length of the first side plate or the second side plate. One end of the fourth fastener is engaged in the mounting groove and can be removed from the mounting groove.

9. The channel according to claim 1, characterized in that, The top of the support plate is higher than the top of the guard plate. The guard plate assembly also includes a hand guard, which is snapped into the top of the guard plate. The two ends of the hand guard are respectively provided with second connecting holes. The tops of the two support plates are respectively attached to the end faces of the two ends of the hand guard, and a fifth fastener is installed between them and the second connecting holes.

10. The channel according to claim 9, characterized in that, The handguard has a second weight-reducing cavity, which extends through the handguard along its length. The inner wall of the second weight-reducing cavity has a second connecting rib, which forms a second connecting hole. A second connecting block is installed inside the second weight-reducing cavity by a sixth fastener. The second connecting block has a second threaded hole. A seventh fastener is installed between the top of the support plate and the second threaded hole.

Images