CN216915386U - Wheel rim - Google Patents
Wheel rim Download PDFInfo
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- CN216915386U CN216915386U CN202220403740.XU CN202220403740U CN216915386U CN 216915386 U CN216915386 U CN 216915386U CN 202220403740 U CN202220403740 U CN 202220403740U CN 216915386 U CN216915386 U CN 216915386U
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- arc
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Abstract
The utility model provides a rim, wherein one side of the first end of a circular groove is sequentially provided with a first arc-shaped transition section, a first horizontal edge, a second arc-shaped transition section, a first side edge, a third arc-shaped transition section, a second side edge, a fourth arc-shaped transition section and a first outer flange; one side of the second end of the circular ring-shaped groove is provided with a fifth arc-shaped transition section, a second horizontal edge, a sixth arc-shaped transition section, a third side edge, a seventh arc-shaped transition section, a fourth side edge, an eighth arc-shaped transition section and a second outer flange in sequence, wherein the material thickness of the first arc-shaped transition section, the second arc-shaped transition section, the third arc-shaped transition section, the fourth arc-shaped transition section, the fifth arc-shaped transition section, the sixth arc-shaped transition section, the seventh arc-shaped transition section and the eighth arc-shaped transition section is equal to the material thickness of two sides of each arc-shaped transition section. This rim is through the material thickness that increases each arc changeover portion to improve the dangerous section intensity of each arc changeover portion of rim, promote the life of rim.
Description
Technical Field
The utility model relates to a rim.
Background
The rim, commonly known as a rim, is a component that mounts and supports the tire on the wheel at its upper periphery, and forms the wheel with the spokes. The common forms of rims are mainly two: drop center rims and flat bottom rims. For a drop center rim, the rim is unitary with a drop center in cross-section. It has a flange with shoulder for receiving the tyre bead of the tyre casing, the shoulder is usually inclined slightly towards the middle, and the maximum diameter of the inclined part is called the diameter of the tyre bead and the rim. The middle part of the cross section is made into a deep groove so as to be convenient for the disassembly and assembly of the outer tire. The deep groove rim has simple structure, high rigidity and small mass, and is most suitable for small-size tires with high elasticity.
Along with agricultural mechanical equipment's weight increases gradually, has proposed higher requirement to the structural strength and the bearing capacity of rim, and at present, the mode of solving promotion rim structural strength chooses for use thicker material, the steel manufacturing rim of higher strength, but can lead to the dead weight of rim to rise, the cost height.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of heavy weight, high cost and low strength of a rim in the prior art, and provides the rim.
The utility model solves the technical problems through the following technical scheme:
a rim is characterized in that the width of the rim is 624mm, the outer diameter of the rim is 1028mm, the middle part of the outer circumferential surface of the rim is provided with a circular groove circumferentially arranged along the outer circumferential surface of the rim, the inner diameter of the rim at the circular groove is 873mm, and the circular groove is provided with a first end and a second end; one side of the first end is provided with a first horizontal edge, a first side edge, a second side edge and a first outer flange in sequence from the direction far away from the second end, and the first side edge and the second side edge extend outwards in an inclined manner; the first end is connected with the first horizontal edge through a first arc-shaped transition section, the first horizontal edge is connected with the first side edge through a second arc-shaped transition section, the first side edge is connected with the second side edge through a third arc-shaped transition section, and the second side edge is connected with the first outer flange through a fourth arc-shaped transition section; one side of the second end is provided with a second horizontal edge, a third side edge, a fourth side edge and a second outer flange in sequence from the direction far away from the first end, and the third side edge and the fourth side edge extend obliquely outwards; the second end is connected with the second horizontal edge through a fifth arc-shaped transition section, the second horizontal edge is connected with the third side edge through a sixth arc-shaped transition section, the third side edge is connected with the fourth side edge through a seventh arc-shaped transition section, and the fourth side edge is connected with the second outer flange through an eighth arc-shaped transition section; the material thickness of the first arc transition section, the second arc transition section, the third arc transition section, the fourth arc transition section, the fifth arc transition section, the sixth arc transition section, the seventh arc transition section and the eighth arc transition section is equal to the material thickness on two sides of each arc transition section.
Preferably, the first outer flange includes a first connecting section, a first arc-shaped section and a first outer side section, the first connecting section is connected with the fourth arc-shaped transition section and perpendicular to the outer peripheral surface of the circular groove, and the material thickness of the first arc-shaped section is greater than that of the first connecting section and the first outer side section; and/or the presence of a gas in the gas,
the second outer flange comprises a second connecting section, a second arc-shaped section and a second outer side section, the second connecting section is connected with the eighth arc-shaped transition section and is perpendicular to the outer peripheral surface of the annular groove, and the material thickness of the second arc-shaped section is larger than that of the second connecting section and that of the second outer side section.
Preferably, the first outer section and the second outer section each extend obliquely inwardly.
Preferably, the width of each of the first outer flange and the second outer flange is 20 mm; the arc radiuses of the first arc-shaped section and the second arc-shaped section are both 15 mm.
Preferably, the first arc-shaped transition section comprises a first sub-arc section and a second sub-arc section, wherein one end of the first sub-arc section, which is far away from the first end, extends towards the outer side of the wheel rim, and one end of the second sub-arc section, which is far away from the first sub-arc section, extends towards the inner side of the wheel rim; and/or the presence of a gas in the gas,
the fifth arc transition section comprises a third sub-arc section and a fourth sub-arc section, one end, far away from the second end, of the third sub-arc section extends towards the outer side of the rim, and one end, far away from the third sub-arc section, of the fourth sub-arc section extends towards the inner side of the rim.
Preferably, the arc radii of the first sub-arc segment, the second sub-arc segment, the third sub-arc segment and the fourth sub-arc segment are all 16 mm.
Preferably, the arc radii of the second arc-shaped transition section and the sixth arc-shaped transition section are both 7mm, the arc radii of the third arc-shaped transition section and the seventh arc-shaped transition section are 14mm, and the arc radii of the fourth arc-shaped transition section and the eighth arc-shaped transition section are 7.5 mm.
Preferably, the width of the first horizontal side is greater than the width of the second horizontal side;
the inner diameter of the first horizontal side is the same as the inner diameter of the second horizontal side.
Preferably, the rim has a bisecting plane in the width direction, the distance between the first end and the bisecting plane is smaller than the distance between the second end and the bisecting plane, the distance between the first end and the bisecting plane is 93.4mm, and the distance between the second end and the bisecting plane is 162.6 mm.
Preferably, the rim is roll-formed by a cylindrical structure, the initial thickness of the cylindrical structure is 7-12mm, the material thickness of the first side, the second side, the third side, the fourth side, the first horizontal side and the second horizontal side is reduced by 0.5-3.5mm compared with the initial thickness, and the material thickness of the first arc-shaped transition section, the second arc-shaped transition section, the third arc-shaped transition section, the fourth arc-shaped transition section, the fifth arc-shaped transition section, the sixth arc-shaped transition section, the seventh arc-shaped transition section and the eighth arc-shaped transition section is increased by 0.5-1.5mm compared with the initial thickness of the material.
The positive progress effects of the utility model are as follows:
this rim is through the material thickness that increases each arc changeover portion for the dangerous section intensity of each arc changeover portion of rim improves, and the life of rim can promote. Meanwhile, the material thickness of the two sides of each arc transition section of the rim is controlled, so that the material thickness of the two sides of each arc transition section is smaller than that of each arc transition section, the purpose of controlling the weight is achieved, and the manufacturing cost can be reduced.
Drawings
Fig. 1 is a schematic structural view of a rim according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view (one) of a rim according to an embodiment of the present invention.
Fig. 3 is a cross-sectional view (two) of the rim according to an embodiment of the present invention.
Description of reference numerals:
First horizontal side 101
Second horizontal side 104
Third side edge 105
First arcuate transition section 111
First sub-arc segment 1111
Second sub-arc segment 1112
Second arcuate transition section 112
Third arcuate transition segment 113
Fourth arcuate transition segment 114
Fifth arcuate transition segment 115
Third sub-arc segment 1151
Fourth sub-arc segment 1152
Sixth arcuate transition segment 116
Seventh arc transition 117
Eighth arc transition segment 118
First outer flange 120
Second outer flange 130
Second arc segment 132
Second outer section 133
Detailed Description
The present invention will be more clearly and completely described in the following description of preferred embodiments, taken in conjunction with the accompanying drawings.
The utility model provides a rim 10, the model number of which is DW23B multiplied by 38(38 multiplied by DW23B), the structure of which is shown in figure 1, the width L of the rim 101624 +/-8 mm, and the external diameter phi of the rim 1011028 +/-2.4 mm, the middle part of the outer circumferential surface of the rim 10 is provided with a circular ring-shaped groove 100 arranged along the circumferential direction of the outer circumferential surface of the rim 10, and the inner diameter phi of the rim 10 at the circular ring-shaped groove 1002Is composed of
Specifically, as shown in fig. 2, the circular groove 100 has a first end and a second end, wherein the circular groove 100 has a first horizontal edge 101, a first side edge 102, a second side edge 103, and a first outer flange 120 in sequence from a direction away from the second end on one side of the first end, and both the first side edge 102 and the second side edge 103 extend obliquely outward; the first end is connected with the first horizontal edge 101 through a first arc-shaped transition section 111, the first horizontal edge 101 is connected with the first side edge 102 through a second arc-shaped transition section 112, the first side edge 102 is connected with the second side edge 103 through a third arc-shaped transition section 113, and the second side edge 103 is connected with the first outer flange 120 through a fourth arc-shaped transition section 114; one side of the second end is provided with a second horizontal edge 104, a third side edge 105, a fourth side edge 106 and a second outer flange 130 in sequence from the direction far away from the first end, and the third side edge 105 and the fourth side edge 106 extend obliquely outwards; the second end is connected to the second horizontal side 104 via a fifth curved transition 115, the second horizontal side 104 is connected to the third side 105 via a sixth curved transition 116, the third side 105 is connected to the fourth side 106 via a seventh curved transition 117, and the fourth side 106 is connected to the second outer flange 130 via an eighth curved transition 118.
It should be noted that the first side edge 102 and the second side edge 103 both extend obliquely outward, that is, the first side edge 102 and the second side edge 103 both extend obliquely toward the outer side 11 of the rim. Likewise, the third side 105 and the fourth side 106 each extend obliquely outward, i.e. the third side 105 and the fourth side 106 each extend obliquely toward the outer side 11 of the rim.
In this embodiment, the material thickness of first curved transition 111, second curved transition 112, third curved transition 113, fourth curved transition 114, fifth curved transition 115, sixth curved transition 116, seventh curved transition 117, and eighth curved transition 118 are each greater than the material thickness on either side of each curved transition. Here, the first arc transition section 111 is taken as an example: as shown in the figure, the two sides of the first arc-shaped transition section 111 are respectively provided with the circular ring-shaped groove 100 and the first horizontal edge 101, and the material thickness of the first arc-shaped transition section 111 is thicker than that of the circular ring-shaped groove 100 and the first horizontal edge 101, so that the structural strength of the rim 10 at the corner is improved, and simultaneously, the overall weight of the rim 10 is kept at a relatively low level, so that the purposes of reducing weight, reducing cost and the like are achieved while the overall strength of the rim 10 is ensured.
This rim 10 through the material thickness that increases each arc changeover portion for the dangerous section intensity of each arc changeover portion of rim 10 improves, and the life of rim 10 can promote. Meanwhile, the material thickness of the two sides of each arc transition section of the rim 10 is controlled, so that the material thickness of the two sides of each arc transition section is smaller than that of each arc transition section, the purpose of controlling the weight is achieved, and the manufacturing cost can be reduced.
Specifically, as shown in fig. 2, the first outer flange 120 includes a first connecting section 121, a first arc-shaped section 122 and a first outer side section 123, which are connected in sequence, wherein the first connecting section 121 is connected to the third arc-shaped transition section 113 and is perpendicular to the outer circumferential surface of the circular groove 100, and the material thickness of the first arc-shaped section 122 is also greater than that of the first connecting section 121 and the first outer side section 123, so that the strength at the first arc-shaped section 122 of the first outer flange 120 is enhanced. In addition, the second outer flange 130 includes a second connecting section 131, a second arc-shaped section 132 and a second outer section 133 which are connected in sequence, the second connecting section 131 is connected with the sixth arc-shaped transition section 116 and is perpendicular to the outer circumferential surface of the circular groove 100, and the material thickness of the second arc-shaped section 132 is greater than that of the second connecting section 131 and the second outer section 133, so that the strength at the second arc-shaped section 132 of the second outer flange 130 is also enhanced.
The first and second outer sections 123, 133 each extend obliquely inwardly, i.e. the first and second outer sections 123, 133 each extend obliquely towards the inner side 12 of the rim.
As shown in fig. 3, in this embodiment, the first outer flange 120 and the second outer flange 130 of the rim 10 are oppositely disposed at two ends of the circular groove 100, the first outer flange 120 and the second outer flange 130 have the same size, and the width D of the first outer flange 120 and the second outer flange 130120 + -1.5mm, wherein the arc radii R of the first arc-shaped segment 122 and the second arc-shaped segment 1321Are all 15 mm.
Specifically, in the present embodiment, the first arc transition section 111 includes a first sub-arc section 1111 and a second sub-arc section 1112, and the first sub-arc section 1111 is located between the first end of the circular groove 100 and the second sub-arc section 1112. The end of the first sub-arc section 1111, which is far away from the first end of the circular groove 100, extends to the outer side 11 of the rim, and the end of the second sub-arc section 1112, which is far away from the first sub-arc section 1111, extends to the inner side 12 of the rim. The fifth arc-shaped transition section 115 comprises a third sub-arc section 1151 and a fourth sub-arc section 1152, and the third sub-arc section 1151 is between the first end of the circular groove 100 and the fourth sub-arc section 1152. The end of the third sub-arc segment 1151 remote from the second end of the circular groove 100 extends towards the outer side 11 of the rim, and the end of the fourth sub-arc segment 1152 remote from the third sub-arc segment 1151 extends towards the inner side 12 of the rim.
Arc radii R of the first, second, third and fourth sub-arc segments 1111, 1112, 1151 and 11522Are all 16 mm.
Specifically, the arc radius R of the second arc transition section 112 and the sixth arc transition section 1163Arc radii R of the third arc transition 113 and the seventh arc transition 117, both 7mm4Arc radii R of the fourth arc transition 114 and the eighth arc transition 118, both 14mm5Are all 7.5 mm. The width of the first horizontal side 101 is greater than the width of the second horizontal side 104.
The inner diameter of the first horizontal side 101 is the same as the inner diameter of the second horizontal side 104.
The rim 10 has a median plane A in the width direction W and a distance D between a first end and the median plane A2Is less than the distance D between the second end and the middle division plane A3In particular, the distance D of the first end from the bisecting plane A293.4mm, and the distance D between the second end and the midsplit plane A3Is 162.6 mm.
In this embodiment, the rim 10 is made of medium carbon steel of 440 or less, and is formed by a cylindrical rolling process. Wherein the initial thickness of the cylindrical structure is 7-12mm, the material thickness for the first side 102, the second side 103, the third side 105, the fourth side 106, the first horizontal side 101 and the second horizontal side 104 is reduced by 0.5-3.5mm compared to the initial thickness, and the material thickness for the first arc-shaped transition section 111, the second arc-shaped transition section 112, the third arc-shaped transition section 113, the fourth arc-shaped transition section 114, the fifth arc-shaped transition section 115, the sixth arc-shaped transition section 116, the seventh arc-shaped transition section 117 and the eighth arc-shaped transition section 118 is increased by 0.5-1.5mm compared to the initial thickness of the material. By thinning the material at each side portion, the thinned material is supplied to each arcuate transition section for the purpose of thickening the material thickness of the arcuate transition section.
The rim among the prior art adopts alloy steel material usually, because alloy steel material plasticity is not good, easy fracture, and the rejection rate is high, consequently can not adopt the mode of each arc transition section thickness of bodiness to strengthen rim intensity, the thickness everywhere of rim all is the uniform thickness usually. The plasticity of the common steel plate including the medium carbon steel is better, the strength of the obtained rim is higher by thinning the material thickness of each side edge and thickening the material thickness of each arc transition section, and the bench test can reach 100 ten thousand times, which is far beyond the test standard of 36 ten thousand times of the conventional rim made of alloy steel materials.
Specifically, the rim that this embodiment provided utilizes circumference forging itself in order to increase material strength, and through changing the mould size of forging, enlarge the size clearance of each arc transition department, make the material extrusion of other positions punishment remove the bodiness to clearance department (be arc transition department promptly) for dangerous section strength at each arc transition department improves greatly, and life will promote greatly.
The rim provided by the embodiment is formed in one step by adopting an innovative six-column cold rolling forging mode, and the rim formed in one step is formed by performing ten thousand tons of cold rolling forging on the circumference of the rim, so that the rim with good rigidity, light weight and high strength is formed, and under the condition of the same material, the weight can be reduced to produce the light rim, and the production mode of the traditional rim is thoroughly changed. The traditional three horizontal cold rolling and rolling machines are changed into a vertical rolling and forming machine, the production process is simplified, the production speed is improved, and more importantly, the existing process of stretching, bending and deforming is changed into the process of forging, extruding and deforming by ten thousand tons of circumference, so that the stretching and yield strength of the rim material can be improved, and the service life is prolonged. The rim drum test can be performed more than 100 million times, the service life of the bench test is long, and the actual service life is greatly prolonged.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the utility model is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications are within the scope of the utility model.
Claims (10)
1. A rim, characterized in that the width of the rim is 624mm, the outer diameter of the rim is 1028mm, the middle part of the outer circumferential surface of the rim is provided with a circular groove circumferentially arranged along the outer circumferential surface of the rim, the inner diameter of the rim at the circular groove is 873mm, and the circular groove is provided with a first end and a second end; one side of the first end is provided with a first horizontal edge, a first side edge, a second side edge and a first outer flange in sequence from the direction far away from the second end, and the first side edge and the second side edge extend outwards in an inclined manner; the first end is connected with the first horizontal edge through a first arc-shaped transition section, the first horizontal edge is connected with the first side edge through a second arc-shaped transition section, the first side edge is connected with the second side edge through a third arc-shaped transition section, and the second side edge is connected with the first outer flange through a fourth arc-shaped transition section; a second horizontal edge, a third side edge, a fourth side edge and a second outer flange are sequentially arranged on one side of the second end from the direction far away from the first end, and the third side edge and the fourth side edge both extend obliquely outwards; the second end is connected with the second horizontal edge through a fifth arc-shaped transition section, the second horizontal edge is connected with the third side edge through a sixth arc-shaped transition section, the third side edge is connected with the fourth side edge through a seventh arc-shaped transition section, and the fourth side edge is connected with the second outer flange through an eighth arc-shaped transition section; the material thickness of the first arc transition section, the second arc transition section, the third arc transition section, the fourth arc transition section, the fifth arc transition section, the sixth arc transition section, the seventh arc transition section and the eighth arc transition section is equal to the material thickness on two sides of each arc transition section.
2. The rim of claim 1, wherein the first outer flange includes a first connecting section, a first arcuate section, and a first outboard section, the first connecting section being connected to the fourth arcuate transition section and perpendicular to the circumferential outer surface of the annular groove, the first arcuate section having a material thickness greater than the material thickness of the first connecting section and the first outboard section; and/or the presence of a gas in the gas,
the second outer flange comprises a second connecting section, a second arc-shaped section and a second outer side section, the second connecting section is connected with the eighth arc-shaped transition section and is perpendicular to the outer peripheral surface of the annular groove, and the material thickness of the second arc-shaped section is larger than that of the second connecting section and that of the second outer side section.
3. The wheel rim of claim 2, wherein the first outer section and the second outer section each extend obliquely inwardly.
4. The wheel rim of claim 2, wherein the first outer flange and the second outer flange are each 20mm wide; the arc radiuses of the first arc-shaped section and the second arc-shaped section are both 15 mm.
5. The wheel rim of claim 1, wherein the first arcuate transition segment includes a first sub-arc segment and a second sub-arc segment, an end of the first sub-arc segment distal from the first end extending toward an outer side of the wheel rim, and an end of the second sub-arc segment distal from the first sub-arc segment extending toward an inner side of the wheel rim; and/or the presence of a gas in the gas,
the fifth arc transition section comprises a third sub-arc section and a fourth sub-arc section, one end, far away from the second end, of the third sub-arc section extends towards the outer side of the rim, and one end, far away from the third sub-arc section, of the fourth sub-arc section extends towards the inner side of the rim.
6. The wheel rim of claim 5, wherein the arc radii of the first, second, third and fourth sub-arcs are all 16 mm.
7. The wheel rim of claim 1, wherein the arc radii of the second arc transition and the sixth arc transition are both 7mm, the arc radii of the third arc transition and the seventh arc transition are 14mm, and the arc radii of the fourth arc transition and the eighth arc transition are 7.5 mm.
8. The wheel rim of claim 1, wherein the first horizontal side has a width greater than a width of the second horizontal side;
the inner diameter of the first horizontal side is the same as the inner diameter of the second horizontal side.
9. The rim of claim 1, wherein the rim has a bisecting plane in the width direction, the first end is spaced from the bisecting plane less than the second end, the first end is spaced from the bisecting plane by 93.4mm, and the second end is spaced from the bisecting plane by 162.6 mm.
10. The rim according to any one of claims 1 to 9, wherein the rim is roll-formed from a cylindrical structure having an initial thickness of 7 to 12mm, the material thickness of the first side, the second side, the third side, the fourth side, the first horizontal side and the second horizontal side is reduced by 0.5 to 3.5mm compared to the initial thickness, and the material thickness of the first arc-shaped transition section, the second arc-shaped transition section, the third arc-shaped transition section, the fourth arc-shaped transition section, the fifth arc-shaped transition section, the sixth arc-shaped transition section, the seventh arc-shaped transition section and the eighth arc-shaped transition section is increased by 0.5 to 1.5mm compared to the initial thickness of the material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220403740.XU CN216915386U (en) | 2022-02-25 | 2022-02-25 | Wheel rim |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220403740.XU CN216915386U (en) | 2022-02-25 | 2022-02-25 | Wheel rim |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216915386U true CN216915386U (en) | 2022-07-08 |
Family
ID=82267178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220403740.XU Active CN216915386U (en) | 2022-02-25 | 2022-02-25 | Wheel rim |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216915386U (en) |
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2022
- 2022-02-25 CN CN202220403740.XU patent/CN216915386U/en active Active
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