CN220535316U

CN220535316U - Rim

Info

Publication number: CN220535316U
Application number: CN202322306812.6U
Authority: CN
Inventors: 郭春杰
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-08-25
Filing date: 2023-08-25
Publication date: 2024-02-27
Anticipated expiration: 2033-08-25

Abstract

The utility model provides a rim, and relates to the technical field of vehicles. The rim comprises: the rim is manufactured by processing a metal coiled plate; a connecting ring welded on the rim; the connecting ring is manufactured by a cold drawing steel forming process or a hot rolling steel forming process or a bending forming process or a lathe machining process; the connecting ring is provided with a clamping groove with an opening facing outwards in the radial direction; wherein the rim volume is larger than the connecting ring volume; and the check ring is clamped on the clamping groove. The connecting ring is used for installing the check ring, and is manufactured by a cold-drawing steel forming process or a hot-rolling steel forming process or a bending forming process or a lathe processing process, and the connecting ring manufactured by the processes has high strength, so that the connecting ring is not easy to damage after being connected with the check ring, and the service life of the rim is prolonged; the rim is made of metal coiled plates, so that the rim is convenient to process and manufacture.

Description

Rim

Technical Field

The utility model relates to the technical field of vehicles, in particular to a rim.

Background

The rim is the part of the wheel on which the tyre is mounted and supported peripherally. The utility model patent with publication number CN206067369U discloses a vacuum tire rim and a vacuum tire (the rim is commonly called as a wheel rim and a spoke are connected into a whole, the rim is also called as a wheel hub), and the vacuum tire rim comprises a ring body and a lock ring which are connected with each other, wherein the ring body can be formed by rolling steel and rolling. The utility model patent with publication number of CN208745649U discloses a rim and a steel ring, wherein a retainer ring (corresponding to a lock ring) is connected to the rim (corresponding to a ring body), and the rim is of a plate structure. The rim and the retainer ring in the prior art are relatively independent, the rim is provided with a mounting part for mounting the retainer ring, and when the rim is formed by rolling steel and rolling, the strength of the mounting part is better, but the processing difficulty is higher; when the rim is processed from a plate material, the processing of the mounting portion is easier, but the strength of the mounting portion is poor.

Therefore, it is desirable to provide a rim that is easy to manufacture and has high strength.

Disclosure of Invention

The utility model aims to provide a rim, which aims to solve the problem that the structural strength of a rim connecting check ring is poor when the rim is processed by a plate in the prior art; when the rim is formed by rolling steel and rolling shape, the processing difficulty is high _。

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a rim, comprising: the rim is manufactured by processing a metal coiled plate; a connecting ring welded on the rim; the connecting ring is manufactured by a cold drawing steel forming process or a hot rolling steel forming process or a bending forming process or a lathe machining process; the connecting ring is provided with a clamping groove with an opening facing outwards in the radial direction; wherein the rim volume is larger than the connecting ring volume; and the check ring is clamped on the clamping groove.

Preferably, the thickness of the connecting ring is larger than that of the rim.

Preferably, the connecting ring comprises a first ring body and a second ring body which are arranged at an included angle; the first ring body is lapped on the inner diameter surface of the rim; the clamping groove is positioned in an included angle between the second ring body and the first ring body.

Preferably, the retainer ring is provided with a first clamping block and a second clamping block; a connecting groove is formed in a gap between the first clamping block and the second clamping block; the first clamping block is matched with the clamping groove, and the second ring body is embedded into the connecting groove and is abutted with the second clamping block.

Preferably, the cross section of the first clamping block is triangular.

Preferably, a triangular protrusion is provided on the first ring body; the bulge comprises a first surface and a second surface which are connected with each other, the first surface is abutted with the shaft end of the rim, and a clamping groove is formed between the second surface and the end surface of the second rim body; the first welding part is arranged at the joint of the first ring body and the rim and is positioned on the inner diameter surface of the rim.

Preferably, a second welding part and a third welding part are arranged at the joint of the first ring body and the rim; the second welding part is positioned on the inner diameter surface of the rim, and the third welding part is positioned on the outer diameter surface of the first rim body; a clamping groove is formed in a gap between the third welding part and the second ring body.

Preferably, the cross section of the first clamping block is trapezoidal; the axle end of the rim, the first ring body and the second ring body enclose the gap to form the clamping groove; a fourth welding part is arranged at the joint of the first ring body and the rim, and the fourth welding part is positioned on the inner diameter surface of the rim.

Compared with the prior art, the embodiment of the utility model has at least the following advantages or beneficial effects:

the connecting ring is used for installing the check ring, and is manufactured by a cold-drawing steel forming process or a hot-rolling steel forming process or a bending forming process or a lathe processing process, and the connecting ring manufactured by the processes has high strength, so that the connecting ring is not easy to damage after being connected with the check ring, and the service life of the rim is prolonged; the rim is made of the metal coiled plate, so that the machining and manufacturing are convenient, the rim volume is larger than the connecting ring volume, the machined part volume of the metal coiled plate is more, and the machining efficiency of the metal coiled plate is larger than that of a cold drawing steel forming process or a hot rolling steel forming process or a lathe machining process, so that the integral machining duration of the rim can be reduced.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a rim according to an embodiment of the utility model;

FIG. 2 is a schematic view of a first connection structure of a rim, a connecting ring and a retainer ring according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a second connection structure of the rim, the connecting ring and the retainer ring in accordance with the embodiment of the present utility model;

FIG. 4 is a schematic view of a third connection structure of a rim, a connecting ring and a retainer ring according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a fourth connection structure of a rim, a connecting ring and a retainer ring according to an embodiment of the present utility model.

Icon: 1. a rim; 11. a first end; 12. a second end; 2. a connecting ring; 201. a clamping groove; 21. a first ring body; 211. a protrusion; 2111. a first face; 2112. a second face; 22. a second ring body; 3. a retainer ring; 31. a first clamping block; 32. a second clamping block; 4. a spoke; 51. a first welded portion; 52. a second welded portion; 53. a third welded portion; 54. and a fourth welded part.

Detailed Description

In order to make the objects, technical solutions and advantages of the present utility model more apparent, the technical solutions of the present utility model will be described in detail below. It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, based on the examples herein, which are within the scope of the utility model as defined by the claims, will be within the scope of the utility model as defined by the claims.

The present utility model provides a rim, with reference to fig. 1, comprising: the rim 1 is manufactured by processing a metal coiled plate; a connecting ring 2 welded to the rim 1; the connecting ring 2 is manufactured by a cold drawing steel forming process or a hot rolling steel forming process or a bending forming process or a lathe machining process; the connecting ring 2 is provided with a clamping groove 201 with an opening facing outwards in the radial direction; wherein the volume of the rim 1 is larger than the volume of the connecting ring 2; and the retainer ring 3 is clamped on the clamping groove 201.

In some embodiments, the connecting ring 2 is used for installing the retainer ring 3, and is manufactured by a cold-drawing steel forming process or a hot-rolling steel forming process or a bending forming process or a lathe processing process, and the connecting ring 2 manufactured by using the processes has high strength, so that the connecting ring 2 is not easy to damage after being connected with the retainer ring 3, thereby prolonging the service life of the rim. The clamping groove 201 on the connecting ring 2 can be manufactured by lathe machining. The rim 1 is made of a metal coiled plate, so that the machining and manufacturing are convenient, the volume of the rim 1 is larger than that of the connecting ring 2, the machined part of the metal coiled plate is more in volume, and the machining efficiency of the metal coiled plate is larger than that of a cold drawing steel forming process or a hot rolling steel forming process or a lathe machining process, so that the integral machining duration of the rim can be reduced.

The connecting ring 2 can be made by cold drawing steel forming process, and the cold drawn material is welded into ring shape. Cold drawing is to make the steel bar of HPB300 grade (hot rolled plain round steel bar with yield strength of 300) with diameter of 6-8 mm pass through specially made tungsten alloy wire drawing die holes with gradually reduced diameter under normal temperature, so as to make the steel bar produce plastic deformation to change its physical and mechanical properties. After cold drawing, the steel bar is transversely compressed and longitudinally stretched, the internal lattice slides, the tensile strength can be improved by 50-90%, the plasticity is reduced, and the hardness is improved.

The connecting ring 2 can also be manufactured by a hot rolled steel forming process, the hot rolled steel is rolled by high-temperature heating, and the hot rolled product has the advantages of high strength, good toughness, easy processing and forming, good weldability and the like.

The connecting ring 2 can also be made by a bending molding process, the material of the connecting ring 2 can be steel, and the strength of the steel is high. Bending can be used to produce complex shapes with high precision, making it an ideal choice for creating custom parts or assemblies. The edge of the bent and formed product is clean, and no burrs or sharp corners exist.

The connecting ring 2 may also be made by a lathe process, for example, cutting grooves in a regular round flat steel ring, so as to form a bending portion, a groove portion, and the like of the connecting ring 2.

In some embodiments, referring to fig. 1, the rim 1 may be formed by extending from a first end 11 to a second end 12, wherein a portion of the rim 1 adjacent to the first end 11 is used to connect the spokes 4, and the second end 12 is used to weld the connecting ring 2. The cross section of the rim 1 is in an irregular shape, and the shape of the rim 1 can be orderly roll-formed. The middle part of the rim 1 is recessed toward the inner diameter side to form a deep groove (L in fig. 1), the opening of the deep groove faces the outer diameter of the rim 1, and the rim 1 may be further provided with valve holes (C in fig. 1) penetrating through the rim 1, and the number of the valve holes may be 1 or plural. The rim 1 is formed with an angled bead seat (at a in fig. 1), which may be at an angle of 5-40 degrees to the horizontal when the center line of the rim is arranged horizontally. When the retainer ring 3 is connected to the connecting ring 2, the outer diameter of the first end 11 of the rim 1 and the maximum outer diameter of the retainer ring 3 may be the same. The collar 3 forms an angled rim (as at B in fig. 1), which may be at an angle of 90-150 degrees to the horizontal. The radial length of the rim may be 15-60 mm.

In some embodiments, the surface of the rim 1 may be injection molded to form a heat-resistant layer, so that when the automobile brakes, the high temperature generated by the braking system is blocked by the heat-resistant layer and cannot be transferred to the tire, and the tire is prevented from being heated seriously to cause fire.

In some embodiments, the rim surface may be painted with a night-light paint, making night-time traffic safer.

In some embodiments, referring to fig. 1, the thickness of the connecting ring 2 is greater than the thickness of the rim 1. The thickness of the connecting ring 2 is increased, so that the strength of the connecting ring 2 is further improved, and the connecting ring 2 is not easy to deform or crack due to stress after the connecting ring 2 is connected with the retainer ring 3.

In some embodiments, the connection ring 2 comprises a first ring body 21 and a second ring body 22 arranged at an angle; the first ring body 21 is lapped on the inner diameter surface of the rim 1; the clamping groove 201 is positioned in an included angle between the second ring body 22 and the first ring body 21. The first ring body 21 and the second ring body 22 are integrally formed.

In some embodiments, referring to fig. 2, the retainer ring 3 is provided with a first latch 31 and a second latch 32; the gap between the first clamping block 31 and the second clamping block 32 forms a connecting groove; the first clamping block 31 is matched with the clamping groove 201, and the second ring body 22 is embedded into the connecting groove and is abutted against the second clamping block 32. The retainer ring 3 may be manufactured by a hot-rolled steel forming process or a cold-drawn forming process. Before the tire is mounted, the retainer ring 3 can be detached from the connecting ring 2, and after the tire is sleeved on the rim 1, the first clamping block 31 of the retainer ring 3 is embedded into the clamping groove 201, and at the moment, the second clamping block 32 is mutually abutted with the connecting ring 2.

In some embodiments, the first latch 31 is triangular in cross section.

In some embodiments, referring to fig. 2, the first ring 21 is provided with triangular protrusions 211; the protrusion 211 comprises a first surface 2111 and a second surface 2112 which are connected with each other, the first surface 2111 is abutted against the shaft end of the rim 1, and a gap between the second surface 2112 and the end surface of the second ring body 22 forms a clamping groove 201; the first welded portion 51 is provided at the joint between the first ring body 21 and the rim 1, and the first welded portion 51 is located on the inner diameter surface of the rim 1.

Although the rim 1 and the connecting ring 2 have only one welding point of the first welding portion 51, the first welding portion 51 is annular, and the first welding portion 51 is located on the inner diameter surface of the rim 1, when the tire presses the rim 1 from the outer diameter surface of the rim 1, the deep groove of the rim 1 is recessed toward the center of the circle, at this time, the first end 11 and the second end 12 have a tendency to be close to each other, and the connecting ring 2 drives the protrusion 211 to press the shaft end of the rim 1, so that the connection between the rim 1 and the connecting ring 2 is not easy to break.

In some embodiments, referring to fig. 3, the connection of the first ring body 21 with the rim 1 is provided with a second weld 52 and a third weld 53; the second welding part 52 is positioned on the inner diameter surface of the rim 1, and the third welding part 53 is positioned on the outer diameter surface of the first rim body 21; the gap between the third welded portion 53 and the second ring body 22 forms a clamping groove 201. The second end 12 of the rim 1 may be located in the middle of the first ring 21, and the rim 1 and the connecting ring 2 are welded from two directions at the joint of the first ring 21 and the rim 1, so that the connection between the rim 1 and the connecting ring 2 is relatively stable. In some embodiments, referring to fig. 3, a triangular groove may be formed on the outer diameter of the first ring body 21 facing the center direction, where the triangular groove corresponds to the bottom of the clamping groove 201, one side wall of the triangular groove is flush with the side wall of the second ring body 22, and a gap exists between the other side wall of the triangular groove and the second end 12 of the rim 1, and the third welding portion 53 fills up the gap and complements the side wall of the clamping groove 201.

In other embodiments, referring to fig. 4, the groove between the first ring body 21 and the second ring body 22 may have a trapezoid shape, and in order to fit the groove with the triangular first fixture block 31, a portion of the trapezoid groove is filled with the third welding portion 53, and the rim 1 is connected with the connection ring 2 by the third welding portion 53.

In some embodiments, referring to fig. 5, the first latch 31 is trapezoidal in cross section; the gap surrounded by the shaft end of the rim 1, the first ring body 21 and the second ring body 22 forms a clamping groove 201; the joint between the first ring body 21 and the rim 1 is provided with a fourth welded portion 54, and the fourth welded portion 54 is located on the inner diameter surface of the rim 1.

In detail, when the cross sections of the first clamping block 31 and the clamping groove 201 are both trapezoidal, after the first clamping block 31 is embedded into the clamping groove 201, the retainer ring 3 is abutted against the shaft end of the rim 1, the tire presses the rim 1 from the outer diameter surface of the rim 1, the connecting ring 2 drives the retainer ring 3 to turn over towards the middle part of the rim 1, and the retainer ring 3 is abutted against the rim 1 at the outer diameter surface of the first ring body 21; at the inner diameter surface of the first ring body 21, the connecting ring 2 pulls the rim 1 through the fourth welding part 54, so that the connection between the rim 1 and the connecting ring 2 is not easy to break.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model. Therefore, the protection scope of the present utility model shall be subject to the protection scope of the claims.

Claims

1. A rim, comprising:

the rim is manufactured by processing a metal coiled plate;

a connecting ring welded to the rim; the connecting ring is manufactured by a cold drawing steel forming process or a hot rolling steel forming process or a bending forming process or a lathe machining process; the connecting ring is provided with a clamping groove with an opening facing outwards in the radial direction; wherein the rim volume is greater than the connecting ring volume;

and the check ring is clamped on the clamping groove.

2. The rim of claim 1, wherein the connecting ring has a thickness greater than a thickness of the rim.

3. The rim of claim 1, wherein the connecting ring comprises first and second ring bodies arranged at an included angle; the first ring body is lapped on the inner diameter surface of the rim; the clamping groove is positioned in an included angle between the second ring body and the first ring body.

4. A rim according to claim 3, wherein the collar is provided with a first and a second catch; a connecting groove is formed in a gap between the first clamping block and the second clamping block; the first clamping block is matched with the clamping groove, and the second ring body is embedded into the connecting groove and is abutted to the second clamping block.

5. The rim of claim 4, wherein the first clip has a triangular cross-section.

6. The rim of claim 5, wherein the first ring body is provided with triangular protrusions; the protrusion comprises a first surface and a second surface which are connected with each other, the first surface is abutted with the shaft end of the rim, and a gap between the second surface and the end surface of the second rim body forms the clamping groove; the first welding part is arranged at the joint of the first ring body and the rim, and is positioned on the inner diameter surface of the rim.

7. The rim of claim 5, wherein a second weld and a third weld are provided at the connection of the first body and the rim; the second welding part is positioned on the inner diameter surface of the rim, and the third welding part is positioned on the outer diameter surface of the first rim body; and a gap between the third welding part and the second ring body forms the clamping groove.

8. The rim of claim 4, wherein the first clip has a trapezoidal cross section; the clamping groove is formed by the gap surrounded by the shaft end of the rim, the first ring body and the second ring body; the connecting part of the first ring body and the rim is provided with a fourth welding part, and the fourth welding part is positioned on the inner diameter surface of the rim.