A bearing flow bar with optimized assembly structure

Abstract

This utility model relates to the technical field of flow strips, and in particular to a bearing flow strip with an optimized assembly structure. It includes a support rod with an opening on one side wall extending a predetermined depth towards the axis of the support rod to form a support groove. A support assembly is embedded within the support groove, and at least two bearing units are rotatably connected to the support assembly, allowing external materials to be conveyed through the bearing units. The support assembly has two symmetrically arranged sets of support units, which are positioned opposite each other, with the bearing units installed between the two sets of support units. End caps are also provided at both ends of the support rod, fixed to the support rod to limit the movement of the support assembly. This utility model's bearing flow strip is highly efficient to assemble, has strong load-bearing capacity, and a stable structure. Its support and installation design is reasonable, its standardized production reduces costs, and its optimized connection and end cap installation facilitate external connection, thus improving overall performance and efficiency.

Description

Technical Field

[0001] This utility model relates to the technical field of flow bars, and in particular to a bearing flow bar with an optimized assembly structure. Background Technology

[0002] Gravity flow strips, as industrial aluminum profile accessories, are widely used in modern warehousing and logistics. They are typically based on aluminum alloy slide rails, combined with rolling units such as rollers and bearings, and are named for their ability to facilitate smooth and efficient movement of goods. Designed with a specific angle (generally 3%-9%), they utilize the weight of materials to achieve first-in, first-out (FIFO) warehouse management, and are commonly found in workshop logistics racks and assembly line slides. Standard aluminum alloy gravity flow strips consist of profiled steel and roller tracks, and are typically installed using bolt and nut connections, with custom lengths and tilt angles available.

[0003] However, existing flow lines have many shortcomings. Firstly, traditional flow lines mostly use rollers for conveying materials. Rollers themselves have limited load-bearing capacity, making it difficult to handle the conveying needs of heavier materials. When dealing with heavy materials, the rollers are easily damaged, affecting the normal use and lifespan of the flow line. Secondly, their installation mainly relies on bolts and nuts. This connection method requires workers to tighten each bolt individually, a cumbersome and time-consuming process. For lean production workshops that prioritize high efficiency and rapid assembly, this seriously affects production efficiency and the flexibility of workshop layout, failing to meet the requirements of lean production for rapid assembly and adjustment. Furthermore, some flow lines have unreasonable structural designs, leading to components that are prone to loosening and shifting, affecting the stability of load-bearing and conveying. Moreover, custom-made flow lines often have limited functionality and high costs. Therefore, optimizing the structure and improving the performance of flow lines is of significant practical importance. Utility Model Content

[0004] To overcome the shortcomings mentioned above, this utility model aims to provide a technical solution that can solve the above problems.

[0005] This utility model provides a bearing flow strip with an optimized assembly structure, including a support rod. One side wall of the support rod has an opening that extends a predetermined depth towards the axis of the support rod, forming a support groove. A support assembly is embedded within the support groove, and at least two bearing units are rotatably connected to the support assembly, allowing external materials to be conveyed through the bearing units. The support assembly has two symmetrically arranged sets of support units, which are positioned opposite each other, with the bearing units installed between the two sets of support units. End caps are also provided at both ends of the support rod, and these end caps are fixed to the support rod, thereby limiting the position of the support assembly.

[0006] Furthermore, the bottom sides of the support groove are respectively provided with support vertical plates, and a support step is formed between the support vertical plates and the side wall of the support groove, which is used to support the bracket assembly.

[0007] Furthermore: the side wall of the support groove is also provided with a transverse guide groove, which runs through both ends of the support rod along its length direction, and the bracket assembly can be inserted into the transverse guide groove from the end of the support rod; the side of the bracket assembly facing the side wall of the support groove is provided with a transverse guide rail, which can be embedded in the transverse guide groove.

[0008] Furthermore: the bracket unit is provided with a shaft column at the part where the bearing unit is installed, the two sets of bracket units are fixedly connected to each other, and the shaft columns of the two are joined together to form a mounting shaft for installing the bearing unit.

[0009] Furthermore, the support unit is provided with multiple shafts, and the multiple shafts are set at equal intervals.

[0010] Furthermore: on the same support unit, among two adjacent shafts, one shaft has a protruding post and the other shaft has a recessed hole; the two sets of support units are fixedly connected to each other, and the shaft with the protruding post in the first set of support units corresponds to the shaft with the recessed hole in the second set of support units, so that the protruding post is inserted into the recessed hole to form a plug-in connection.

[0011] Furthermore, the support unit is also provided with a docking plate, which has a locking strip and a locking groove, and the locking strip and the locking groove are symmetrically distributed on the docking plate.

[0012] Furthermore: the end cap is provided with irregularly shaped columns on both sides of the side facing the support rod, and an irregularly shaped hole is formed between the support groove and the inner wall of the support rod, and the irregularly shaped column is inserted into the irregularly shaped hole to form a snap-fit ​​connection.

[0013] Furthermore, the outer wall of the support rod is also provided with a dovetail strip for connecting external precision fittings.

[0014] Furthermore, the outer wall of the support rod is also provided with a retaining edge, which is used to block and guide external materials.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. Achieving efficient assembly: This utility model significantly shortens assembly time by directly creating support grooves on the support rod and utilizing a bracket assembly for quick embedding into the support grooves. Compared to traditional bolt and nut installation methods, it eliminates the tedious bolt tightening steps, significantly improving assembly efficiency and better meeting the rapid assembly needs of lean production workshops. Furthermore, it enables rapid sliding rail installation. The transverse guide grooves on the sidewalls of the support grooves cooperate with the transverse guide rails on the bracket assembly, allowing the bracket assembly to slide through from the end of the support rod along the transverse guide grooves and achieve a limited sliding connection. The installation process is simple and fast, not only preventing the bracket assembly from falling out of the opening but also strengthening the load-bearing support of the bracket assembly, further improving overall assembly efficiency.

[0017] 2. Strong Load-Bearing Capacity: The use of rotating bearing units instead of traditional roller devices effectively improves the overall load-bearing capacity. The bearing units can better distribute the weight of materials, allowing them to bear heavier materials and avoiding conveying blockages or equipment damage caused by excessive material weight, thus broadening the application range of flow lines.

[0018] 3. Convenient Installation and Support: The support vertical plates on both sides of the bottom of the support trough form support steps with the side walls of the trough, providing reliable support for the bracket assembly. Furthermore, these support vertical plates can be directly formed inside the support rod using an integrated aluminum alloy molding process, resulting in stronger load-bearing capacity. Simultaneously, the spacing between the support vertical plates facilitates the installation and rotation of the bearing units, ensuring that the bearing units protrude from the support trough, forming a good material conveying support surface.

[0019] 4. Standardized production saves costs: The bracket unit uses a specific shaft design, such as setting protruding columns and concave holes, so that two sets of bracket units of the same specifications can be plugged into and fixedly connected after one set is rotated 180 degrees. Producing a bracket unit of one specification can meet the assembly requirements, avoiding the repeated production of products of different specifications, saving production costs and improving production efficiency.

[0020] 5. Reinforced Connection Structure: The mating plate on the support unit, with symmetrically distributed locking strips and slots, forms a snap-fit ​​connection when two sets of support units are mated, further securing the two sets of support units and improving the structural strength of the support assembly. Simultaneously, the notch on the mating plate corresponding to the shaft column position is sized to match the outer diameter of the bearing unit, ensuring the free rotation of the bearing unit.

[0021] Therefore, this utility model provides a bearing flow bar with an optimized assembly structure, which is highly efficient to assemble, has strong load-bearing capacity, and a stable structure. The support and installation design is reasonable, standardized production reduces costs, the connection and end cap installation are optimized, and it is also easy to connect externally, thus improving overall performance and efficiency.

[0022] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0025] Figure 2 This is a schematic diagram of the support rod and end cap of this utility model;

[0026] Figure 3 This is a structural schematic diagram of the bracket assembly and bearing unit of this utility model;

[0027] Figure 4 This is a structural schematic diagram of the bracket assembly and supporting vertical plate of this utility model;

[0028] Figure 5 This is a structural schematic diagram of the bracket assembly and support rod of this utility model in the separated state;

[0029] Figure 6 This is a structural schematic diagram of the two sets of support units of this utility model in their separated state;

[0030] Figure 7 yes Figure 6 A magnified view of a portion of point A in the middle.

[0031] The reference numerals and names in the figure are as follows:

[0032] 10 Support rod; 11 Dovetail strip; 12 Edge retainer; 13 Support groove; 14 Irregular hole; 15 Horizontal guide groove; 16 Support vertical plate; 17 Support step position; 20 Bracket assembly; 21 Horizontal guide rail; 22 Bracket unit; 23 Shaft column; 24 Protruding column; 25 Concave hole; 26 Connecting plate; 27 Clip; 28 Slot; 30 Bearing unit; 40 End cap; 41 Irregular column. Detailed Implementation

[0033] The technical solutions in the embodiments of this utility model will be clearly and completely described below. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0034] Please see Figures 1 to 7 In this embodiment of the present invention, a bearing flow strip with an optimized assembly structure includes a support rod 10. One side wall of the support rod 10 has an opening that extends a predetermined depth towards the axis of the support rod 10, thereby forming a support groove 13. A support assembly 20 is embedded within the support groove 13. At least two bearing units 30 are rotatably connected to the support assembly 20, allowing external materials to be conveyed through the bearing units 30. The support assembly 20 has two sets of symmetrically arranged support units 22, which are positioned opposite each other, so that the bearing units 30 are installed between the two sets of support units 22. End caps 40 are also provided at both ends of the support rod 10, and the end caps 40 are fixed to the support rod 10, thereby limiting the position of the support assembly 20.

[0035] Specifically, flow rails, as industrial aluminum profile accessories, are typically based on aluminum alloy slide rails and combined with rolling units (such as rollers and bearings). Their name derives from their 'smooth and efficient operation' functional characteristics. The products employ a specific angle design (usually 3%-9%) to achieve first-in, first-out (FIFO) warehouse management through material weight, primarily used in workshop logistics racks and assembly line slides. Standard aluminum alloy flow rails consist of profiled steel and roller slides, and can be installed using bolts and nuts, supporting customized lengths and tilt angles. However, existing flow rails mainly rely on rollers for transport, and the rollers themselves have limited load-bearing capacity, making them unsuitable for transporting heavier materials. Furthermore, the bolt-and-nut installation process is cumbersome and time-consuming, hindering rapid assembly in lean manufacturing workshops, necessitating improvement.

[0036] This invention shortens assembly time and improves assembly efficiency by directly creating a support groove 13 in the support rod 10 and quickly embedding the bracket assembly 20 into the support groove 13. A rotatably connected bearing unit 30 is also provided on the bracket assembly 20, replacing the traditional roller device, thereby improving the overall load-bearing capacity and facilitating the conveying of heavier materials. The outer circumferential surface of the bearing unit 30 protrudes from the opening of the support rod 10, forming a conveying support surface, and external materials are conveyed through the rolling of the bearing unit 30. End caps 40 are also provided at both ends of the support rod 10, with the inner side of the end caps 40 abutting against the ends of the bracket assembly 20, thereby axially limiting the bracket assembly 20 and preventing it from sliding to both ends, further improving the overall stability.

[0037] like Figures 2 to 5 As shown, preferably, the bottom sides of the support groove 13 are respectively provided with support vertical plates 16, and the support vertical plates 16 and the side walls of the support groove 13 form a support step position 17, which is used to support the bracket assembly 20.

[0038] Specifically, since the bracket assembly 20 is embedded in the support groove 13 without being connected by bolts, a support vertical plate 16 is preferably provided at the bottom of the support groove 13 to support the bracket assembly 20. A support step 17 is formed between the support vertical plate 16 and the support groove 13 to support the bracket assembly 20. Furthermore, since the support vertical plate 16 can be directly formed inside the support rod 10 using an integrated aluminum alloy molding process, it has stronger load-bearing capacity, facilitating the support of the bracket assembly 20 and the materials.

[0039] Secondly, since the support vertical plates 16 are located on both sides of the support groove 13, a certain gap space can be formed between the support vertical plates 16 on both sides, so that a part of the bearing unit 30 is exactly in the gap space, which facilitates the installation and rotation of the bearing unit 30. Moreover, the support vertical plates 16 have a certain height, so that under the support of the bracket assembly 20, the bracket assembly 20 can be installed at the opening of the support groove 13, thereby ensuring that a part of the bearing unit 30 can protrude from the support groove 13 to form a part for conveying external materials.

[0040] like Figure 5 As shown, preferably, the side wall of the support groove 13 is also provided with a transverse guide groove 15, which extends through both ends of the support rod 10 along its length direction. The bracket assembly 20 can be inserted into the transverse guide groove 15 from the end of the support rod 10. The side of the bracket assembly 20 facing the side wall of the support groove 13 is provided with a transverse guide rail 21, which can be embedded in the transverse guide groove 15.

[0041] Specifically, since the bracket assembly 20 is embedded in the support groove 13, a transverse guide groove 15 can be provided on the inner side wall of the support groove 13 for easy installation. Similarly, a transverse guide rail 21 is provided on the outer side wall of the bracket assembly 20. By utilizing the cooperation between the transverse guide rail 21 and the transverse guide groove 15, the bracket assembly 20 is inserted into the support groove 13 from the end of the support rod 10, and the transverse guide rail 21 is embedded in the transverse guide groove 15 to form a limiting sliding connection. Thus, the entire bracket assembly 20 is inserted into the support groove 13, thereby embedding the entire bracket assembly 20 into the support rod 10 and completing the rapid installation of the bracket assembly 20.

[0042] Secondly, since the transverse guide groove 15 is recessed along the vertical direction of the side wall of the support groove 13, it can limit and support the transverse guide rail 21 along the side wall of the support groove 13. This can both prevent the bracket assembly 20 from falling off the opening of the support rod 10 and strengthen the load-bearing capacity of the bracket assembly 20. Moreover, the slide rail installation is simple and quick, which can improve the overall assembly efficiency.

[0043] like Figures 6 to 7 As shown, preferably, the support unit 22 is provided with a shaft post 23 at the part where the bearing unit 30 is installed. The two sets of support units 22 are fixedly connected to each other, and the shaft posts 23 of the two are joined together to form a mounting shaft for installing the bearing unit 30.

[0044] Specifically, in order to facilitate the installation of the bearing unit 30, it is preferable to set the shaft column 23 on the bracket unit 22, and when the two sets of bracket units 22 are set opposite to each other, the two sets of shaft columns 23 form abutting state with each other, thereby forming an installation shaft for installing the bearing unit 30.

[0045] like Figures 6 to 7 As shown, preferably, the support unit 22 is provided with multiple shaft columns 23, and the multiple shaft columns 23 are arranged at equal intervals.

[0046] Specifically, in order to install multiple bearing units 30, it is preferable to set multiple shaft columns 23 on the support unit 22, and set them at equal intervals, so that the multiple bearing units 30 are also installed at equal intervals, so that the weight of the material is evenly distributed and the load-bearing performance is further improved.

[0047] like Figures 6 to 7 As shown, preferably, on the same support unit 22, among two adjacent shafts 23, one shaft 23 is provided with a protrusion 24 and the other shaft 23 is provided with a recess 25; the two sets of support units 22 are fixedly connected to each other, and the shaft 23 of the first set of support units 22 with the protrusion 24 corresponds to the shaft 23 of the second set of support units 22 with the recess 25, so that the protrusion 24 is inserted into the recess 25 to form a plug-in connection.

[0048] Specifically, the two sets of support units 22 are identical in specifications, and the multiple posts 23 on the support unit 22 are symmetrically arranged. For example, posts ① and ③ have protruding posts 24, and posts ② and ④ have recessed holes 25. When the two sets of support units 22 are connected relative to each other, one set is rotated 180 degrees, so that the protruding post ① of the first set corresponds to the recessed hole ④ of the second set, the recessed hole ② corresponds to the protruding post ③ of the second set, the protruding post ③ corresponds to the recessed hole ② of the second set, and the recessed hole ④ corresponds to the protruding post ① of the second set. This allows for the production of support units 22 of the same specification, and the two sets of support units 22 can be assembled to form a support assembly 20.

[0049] Secondly, among the multiple shafts 23 on the same support unit 22, the protruding pillars 24 and the concave holes 25 are symmetrically distributed (e.g., shafts 23 with protruding pillars 24 are provided for ① and ③, and shafts 23 with concave holes 25 are provided for ② and ④). The two sets of support units 22 are of the same specifications. During assembly, one set is rotated 180 degrees so that the two sets of units are in a relative position: the first set of ① protruding pillar 24 shaft 23 corresponds to the second set of ④ concave hole 25 shaft 23 (because after the rotation, the original first set of ① protruding pillar 24 shaft 23 in the second set becomes the position corresponding to the first set of ④, and the position of its own concave hole 25 shaft 23 is synchronously symmetrical); similarly, the first set of ② concave hole 25 shaft 23 corresponds to the second set of ③ protruding pillar 24 shaft 23. The first set of ③ and ④ shafts 23 are matched according to the symmetrical relationship, and finally a plug-in fixed connection is formed by inserting the protruding pillars 24 into the concave holes 25.

[0050] Therefore, in the above structure, the support unit 22 is produced with the exact same specifications. By utilizing the characteristic that a set of support units 22 can be interchanged after being flipped, the universality of the support unit 22 is achieved, avoiding the repeated production of different specifications, saving production costs, and improving production efficiency.

[0051] like Figures 6 to 7 As shown, preferably, the support unit 22 is further provided with a docking plate 26, the docking plate 26 is provided with a locking strip 27 and a locking groove 28, and the locking strip 27 and the locking groove 28 are symmetrically distributed on the docking plate 26.

[0052] Specifically, in order to further enhance the structural strength of the support unit 22, a docking plate 26 is preferably provided, and a locking strip 27 and a locking groove 28 are provided on the docking plate 26. During the docking process of the two sets of support units 22, the docking plates 26 of the two sets of support units 22 cooperate with each other, so that the locking strip 27 is inserted into the locking groove 28 to form a snap connection, thereby firmly connecting the two sets of support units 22 together.

[0053] Secondly, in order to produce bracket units 22 of the same specification, the locking strips 27 and locking slots 28 on the preferred docking plate 26 are also symmetrically distributed. That is, when the two sets of bracket units 22 are assembled, one set of bracket units 22 is rotated 180 degrees so that the two sets of units are in a relative posture, so that the locking strips 27 of the first set and the locking slots 28 of the second set correspond exactly, thereby realizing the snap-fit ​​connection.

[0054] In addition, the mating plate 26 has a notch corresponding to the position of the shaft column 23. The size of the notch is adapted to the outer diameter of the bearing unit 30, so that the bearing unit 30 can rotate freely within the notch.

[0055] like Figures 1 to 2 As shown, preferably, the end cap 40 has irregularly shaped columns 41 on both sides of the side facing the support rod 10, and an irregularly shaped hole 14 is formed between the support groove 13 and the inner wall of the support rod 10. The irregularly shaped columns 41 are inserted into the irregularly shaped hole 14 to form a snap-fit ​​connection.

[0056] Specifically, for the installation of the end cap 40, it is preferable to provide a shaped post 41 on the end cap 40. The shaped post 41 can be inserted into the shaped hole 14 to form a snap-fit ​​connection, thereby fixing the end cap 40. This allows for quick installation and fixation of the end cap 40, saves on the installation bolts of the end cap 40, further reduces costs, and simplifies the installation process.

[0057] Secondly, a threaded hole is provided at the end of the support rod 10, and the end cap 40 is fixedly connected to the support rod 10 by bolts engaging with the threaded hole. To further enhance the installation strength of the end cap 40, a threaded connection is preferably provided, using bolts to fix the end cap 40 to the support rod 10. Moreover, because of the engagement between the irregularly shaped post 41 and the irregularly shaped hole 14, the end cap 40 can be connected with only one bolt.

[0058] Therefore, the end cap 40 is quickly installed and fixed by snap-fitting the irregularly shaped post 41 with the irregularly shaped hole 14 between the inner wall of the support groove 13 and the support rod 10, reducing the use of mounting bolts, saving costs and simplifying the installation process. Furthermore, the connection between the end threaded hole and the bolt further enhances the installation strength of the end cap 40.

[0059] like Figures 1 to 5 As shown, preferably, the outer wall of the support rod 10 is also provided with a dovetail strip 11 for connecting external precision fittings.

[0060] Specifically, in order to further improve the ease of assembly, it is preferable to set a dovetail strip 11 on the outer wall of the support rod 10 and use the dovetail adapter in the existing product for conversion, so that the support rod 10 can be quickly assembled on the external lean product, such as the lean production line.

[0061] Secondly, the dovetail strip 11 provided on the outer wall of the support rod 10 can be used with existing dovetail adapters to quickly assemble the flow strip onto external lean products, such as lean production lines, thereby improving the ease of assembly with other equipment.

[0062] like Figures 1 to 5 As shown, preferably, the outer wall of the support rod 10 is also provided with a retaining edge 12, which is used to block and guide external materials.

[0063] Specifically, in applications with large inclination angles that are prone to material deviation, a baffle 12 can be installed on the outer wall of the support rod 10 to block and guide external materials, preventing them from falling off the flow strip after deviation. The baffle 12 on the side can effectively prevent the product from sliding out and serves as a limiting function.

[0064] Secondly, a retaining edge 12 is set on the outer wall of the support rod 10. For application scenarios with large tilt angles that are prone to material deviation, it can effectively block and guide external materials, prevent materials from falling off the flow strip, and ensure the stability and accuracy of the material conveying process.

[0065] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention.

Claims

1. A bearing flow strip that optimizes the assembly of a structure, characterized in that, The support rod (10) has an opening on one side wall, which extends to a predetermined depth in the direction of the axis of the support rod (10) to form a support groove (13). A bracket assembly (20) is embedded in the support groove (13). At least two bearing units (30) are rotatably connected to the bracket assembly (20) so that external materials can be conveyed through the bearing units (30). The bracket assembly (20) has two sets of bracket units (22) arranged symmetrically to each other, and the two sets of bracket units (22) are arranged opposite to each other so that the bearing units (30) are installed between the two sets of bracket units (22). The two ends of the support rod (10) are also provided with end caps (40), which are fixed to the support rod (10) to limit the bracket assembly (20).

2. The bearing flow bar with an optimized assembly structure according to claim 1, characterized in that, The bottom sides of the support groove (13) are provided with support vertical plates (16), and a support step (17) is formed between the support vertical plate (16) and the side wall of the support groove (13). The support step (17) is used to support the bracket assembly (20).

3. The bearing flow bar with an optimized assembly structure according to claim 1, characterized in that, The side wall of the support groove (13) is also provided with a transverse guide groove (15), which runs through both ends of the support rod (10) along its length direction. The bracket assembly (20) can be inserted from the end of the support rod (10) along the transverse guide groove (15). The side of the bracket assembly (20) facing the side wall of the support groove (13) is provided with a transverse guide rail (21), which can be embedded in the transverse guide groove (15).

4. The bearing flow bar with an optimized assembly structure according to claim 1, characterized in that, The bracket unit (22) is provided with a shaft column (23) at the part where the bearing unit (30) is installed. The two sets of bracket units (22) are fixedly connected to each other, and the shaft columns (23) of the two are joined to form an installation shaft for installing the bearing unit (30).

5. The bearing flow bar with an optimized assembly structure according to claim 4, characterized in that, The support unit (22) is provided with multiple shafts (23), and the multiple shafts (23) are set at the same distance from each other.

6. The bearing flow bar with an optimized assembly structure according to claim 5, characterized in that, On the same support unit (22), among two adjacent shafts (23), one shaft (23) is provided with a protruding post (24), and the other shaft (23) is provided with a concave hole (25); the two sets of support units (22) are fixedly connected to each other, and the shaft (23) of the first set of support units (22) with the protruding post (24) corresponds to the shaft (23) of the second set of support units (22) with the concave hole (25), so that the protruding post (24) is inserted into the concave hole (25) to form a plug-in connection.

7. The bearing flow bar with an optimized assembly structure according to claim 1, characterized in that, The support unit (22) is also provided with a docking plate (26), on which there are a retaining strip (27) and a retaining groove (28), and the retaining strip (27) and the retaining groove (28) are symmetrically distributed on the docking plate (26).

8. The bearing flow bar with an optimized assembly structure according to claim 1, characterized in that, The end cap (40) has irregularly shaped columns (41) on both sides facing the support rod (10). An irregularly shaped hole (14) is formed between the support groove (13) and the inner wall of the support rod (10). The irregularly shaped column (41) is inserted into the irregularly shaped hole (14) to form a snap-fit ​​connection.

9. The bearing flow bar with an optimized assembly structure according to claim 1, characterized in that, The outer wall of the support rod (10) is also provided with a dovetail strip (11) for connecting external lean fittings.

10. A bearing flow bar with an optimized assembly structure according to claim 1, characterized in that, The outer wall of the support rod (10) is also provided with a baffle (12), which is used to block and guide external materials.

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