Rail transit wheel core

Abstract

The utility model discloses a rail transit wheel core, which relates to the technical field of wheel cores and comprises a flange plate, a first mounting sleeve is fixedly mounted on one side of the flange plate, a second mounting sleeve is fixedly mounted on one side, far away from the first mounting sleeve, of the flange plate, and a second baffle ring is fixedly connected in the second mounting sleeve. And a first baffle ring is fixedly connected into the first mounting sleeve, a through groove is formed in the surface of the flange plate, and arc-shaped blades are fixedly connected into the through groove. A reinforcing block and a first fillet edge are arranged on the side, facing the second mounting sleeve, of the flange plate, the structural strength of the flange plate is improved, through grooves and arc-shaped blades are arranged, when the tire rotates, air is guided through the arc-shaped blades, the air is driven to flow in the specific direction under the action of the arc-shaped blades, heat dissipation is accelerated, and the heat dissipation effect is improved; and the arc-shaped blades are arranged in the through grooves, so that the heat discharge is accelerated, the structural strength is enhanced, the service life of the wheel core is prolonged, and the use is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of wheel cores, in particular to a rail transit wheel core. Background Art

[0002] Rail transit refers to a type of transportation vehicle or transportation system in which operating vehicles need to travel on specific tracks. The national standard "Common Terminology of Urban Public Transportation" defines urban rail transit as "a general term for fast, large-capacity public transportation that is usually powered by electricity and adopts a wheel-rail operation mode.

[0003] A search of the existing published patent number: CN202323351562.4, the published patent name: A wheel core structure for engineering vehicles, comprising: a wheel core outer ring, a reinforcement chamber formed inside the front side of the wheel core outer ring, and a protective block installed at the front end of the wheel core outer ring; a connecting assembly provided on the inner side of the wheel core outer ring, and the connecting assembly comprising a wheel core inner plate, a reinforcement block, and a separation groove; a separation block provided at the front end of the connection assembly, and a positioning groove formed inside the connection assembly, the inner end of the positioning groove being connected to the connecting block; a connecting bolt installed at the inner end of the connecting rod, and an engagement hole provided on the outer side of the connecting bolt; a wheel core inner plate installed on the inner side of the wheel core outer ring, a reinforcement block installed at the front end of the wheel core inner plate, and a separation groove formed inside the reinforcement block. This wheel core structure for engineering vehicles facilitates the quick installation of the wheel core for engineering vehicles and improves the overall stability of the wheel core for engineering vehicles.

[0004] However, during the rotation of the wheel core, heat cannot be effectively dissipated, resulting in a reduced service life. There is room for improvement. Utility Model Content

[0005] (1) Technical problems solved

[0006] In view of the deficiencies in the prior art, the utility model provides a rail transit wheel core, which solves the problem that heat cannot be effectively dissipated during the rotation of the wheel core, resulting in a reduced service life.

[0007] (2) Technical solution

[0008] To achieve the above objectives, the present invention is implemented through the following technical solutions: a rail transit wheel core, comprising: a flange, a first mounting sleeve fixedly installed on one side of the flange, a second mounting sleeve fixedly installed on the side of the flange away from the first mounting sleeve, a second retaining ring fixedly connected in the second mounting sleeve, a first retaining ring fixedly connected in the first mounting sleeve, a circumferential array of mounting holes on the surface of the flange, a through groove opened on the surface of the flange, and an arc-shaped blade fixedly connected in the through groove.

[0009] Preferably, the flange surface has a circumferential array of through grooves, and the through grooves are arranged in an arc shape.

[0010] Preferably, the arc-shaped blades are arranged in a circular array inside the through groove, and the arc-shaped blades are made of the same material as the flange.

[0011] Preferably, a ridge is fixedly connected to the surface of the first mounting sleeve, a threaded hole is provided in the ridge, and the ridges are arranged in a circular array on the surface of the first mounting sleeve.

[0012] Preferably, the surfaces of the first mounting sleeve and the second mounting sleeve are both provided with transition fillets.

[0013] Preferably, the flange is provided with a circumferential array of reinforcement blocks on one side close to the second mounting sleeve, the surfaces of the reinforcement blocks are provided with first rounded edges, and the reinforcement blocks are provided in a one-to-one correspondence with the through slots.

[0014] Preferably, a second rounded edge is provided at the connection between the first mounting sleeve and the ridge.

[0015] Beneficial effects

[0016] The utility model provides a rail transit wheel core, which has at least the following beneficial effects compared with the prior art:

[0017] A reinforcement block and a first rounded edge are provided on the side of the flange facing the second mounting sleeve to enhance the structural strength of the flange. A through groove and arc-shaped blades are provided. When the tire rotates, the air is guided through the arc-shaped blades. The arc-shaped blades drive the air to flow in a specific direction, accelerate the dissipation of heat, and improve the heat dissipation effect. Arc-shaped blades are provided in the through groove, which not only accelerates the discharge of heat but also enhances the structural strength, extends the service life of the wheel core, and is convenient for use. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the structure of the utility model;

[0019] Figure 2 This is a structural diagram of the second mounting sleeve of the utility model;

[0020] Figure 3 It is a schematic structural diagram of the utility model in cross-section;

[0021] Figure 4 This is a structural diagram of the reinforcement block of the utility model.

[0022] In the figure: 1. Flange; 2. Mounting hole; 3. First mounting sleeve; 4. First retaining ring; 5. Second mounting sleeve; 6. Second retaining ring; 7. Through groove; 8. Arc blade; 9. Reinforcement block; 10. First fillet edge; 11. Transition fillet; 12. Raised ridge; 13. Threaded hole; 14. Second fillet edge. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0024] Example 1:

[0025] See also Figure 1-4 The utility model provides a technical solution: a flange 1, a first mounting sleeve 3 is fixedly installed on one side of the flange 1, a second mounting sleeve 5 is fixedly installed on the side of the flange 1 away from the first mounting sleeve 3, a second retaining ring 6 is fixedly connected inside the second mounting sleeve 5, a first retaining ring 4 is fixedly connected inside the first mounting sleeve 3, a mounting hole 2 is arranged in a circumferential array on the surface of the flange 1, a through groove 7 is opened on the surface of the flange 1, and an arc-shaped blade 8 is fixedly connected in the through groove 7.

[0026] Analysis of the above content: A reinforcement block 9 and a first rounded edge 10 are provided on the side of the flange 1 facing the second mounting sleeve 5 to improve the structural strength of the flange 1. A through groove 7 and an arc-shaped blade 8 are provided. When the tire rotates, the air is guided through the arc-shaped blade 8. The arc-shaped blade 8 drives the air to flow in a specific direction, accelerates the dissipation of heat, and improves the heat dissipation effect. The arc-shaped blade 8 is provided in the through groove 7, which not only accelerates the discharge of heat but also strengthens the structural strength, extends the service life of the wheel core, and is convenient for use.

[0027] Example 2:

[0028] See also Figure 1-4 The present invention provides a technical solution based on the first embodiment: a through groove 7 is arranged in a circumferential array on the surface of the flange 1, and the through groove 7 is arranged in an arc shape.

[0029] Analysis of the above content: the through groove 7 is provided to improve the heat dissipation effect of the flange 1, and the arc-shaped setting increases the ventilation area.

[0030] Example 3:

[0031] See also Figure 1-4 The present invention provides a technical solution based on the first embodiment: the arc-shaped blades 8 are arranged in a circular array inside the through groove 7 , and the arc-shaped blades 8 and the flange 1 are made of the same material.

[0032] Analysis of the above content: The arc-shaped blades 8 are provided to drive the arc-shaped blades 8 to rotate when the flange 1 rotates. The arc-shaped blades 8 drive the air flow, accelerate the discharge of heat, and improve the heat dissipation effect of the flange 1.

[0033] Example 4:

[0034] See also Figure 1-4 The present invention provides a technical solution based on the first embodiment: a ridge 12 is fixedly connected to the surface of the first mounting sleeve 3, and a threaded hole 13 is formed in the ridge 12. The ridges 12 are arranged in a circular array on the surface of the first mounting sleeve 3. A second rounded edge 14 is provided at the connection between the first mounting sleeve 3 and the ridge 12.

[0035] Analysis of the above content: the ridges 12 and threaded holes 13 are provided to facilitate the installation and fixation of the hub. The second rounded edge 14 is provided to reduce the resistance of air flow and guide the air.

[0036] Embodiment 5:

[0037] See also Figure 1-4 The present invention provides a technical solution based on the first embodiment: both the first installation sleeve 3 and the second installation sleeve 5 have transition fillets 11 on their surfaces.

[0038] Analysis of the above content: Setting the transition fillet 11 facilitates the installation of the bearing.

[0039] Example 6:

[0040] See also Figure 1-4 The present invention provides a technical solution based on the first embodiment: a reinforcement block 9 is arranged in a circumferential array on one side of the flange 1 close to the second mounting sleeve 5, a first rounded edge 10 is provided on the surface of the reinforcement block 9, and the reinforcement block 9 is arranged in a one-to-one correspondence with the through groove 7.

[0041] Analyzing the above content: the reinforcement block 9 and the first rounded edge 10 are provided to improve the structural strength of the flange 1 and extend the service life of the flange 1 .

[0042] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0043] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A rail transit wheel core, characterized in that: include: A flange (1) is provided, wherein a first mounting sleeve (3) is fixedly mounted on one side of the flange (1), a second mounting sleeve (5) is fixedly mounted on a side of the flange (1) away from the first mounting sleeve (3), a second retaining ring (6) is fixedly connected inside the second mounting sleeve (5), a first retaining ring (4) is fixedly connected inside the first mounting sleeve (3), mounting holes (2) are arranged in a circumferential array on the surface of the flange (1), a through groove (7) is provided on the surface of the flange (1), and an arc-shaped blade (8) is fixedly connected inside the through groove (7).

2. The rail transit wheel core according to claim 1, characterized in that: The flange (1) has a circumferential array of through grooves (7) on its surface, and the through grooves (7) are arranged in an arc shape.

3. The rail transit wheel core according to claim 2, characterized in that: The arc-shaped blades (8) are arranged in a circumferential array inside the through groove (7), and the arc-shaped blades (8) are made of the same material as the flange (1).

4. The rail transit wheel core according to claim 1, characterized in that: A ridge (12) is fixedly connected to the surface of the first mounting sleeve (3), a threaded hole (13) is provided in the ridge (12), and the ridges (12) are arranged in a circular array on the surface of the first mounting sleeve (3).

5. The rail transit wheel core according to claim 1, characterized in that: The surfaces of the first installation sleeve (3) and the second installation sleeve (5) are both provided with transition fillets (11).

6. The rail transit wheel core according to claim 1, characterized in that: The flange (1) is provided with a circumferential array of reinforcement blocks (9) on one side close to the second mounting sleeve (5), and the surfaces of the reinforcement blocks (9) are provided with first rounded edges (10). The reinforcement blocks (9) are provided in a one-to-one correspondence with the through slots (7).

7. The rail transit wheel core according to claim 4, characterized in that: A second rounded edge (14) is provided at the connection between the first mounting sleeve (3) and the ridge (12).

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