CN216915370U - Wheel rim - Google Patents
Wheel rim Download PDFInfo
- Publication number
- CN216915370U CN216915370U CN202220401847.0U CN202220401847U CN216915370U CN 216915370 U CN216915370 U CN 216915370U CN 202220401847 U CN202220401847 U CN 202220401847U CN 216915370 U CN216915370 U CN 216915370U
- Authority
- CN
- China
- Prior art keywords
- arc
- rim
- side edge
- section
- transition section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Tires In General (AREA)
Abstract
The utility model provides a rim, wherein a circular groove is provided with a first end and a second end; one side of the first end is provided with a first arc transition section, a first side edge, a second arc transition section, a second side edge, a third arc transition section and a first outer flange in sequence from the direction far away from the second end; one side of second end has fourth arc changeover portion, third side, fifth arc changeover portion, fourth side, sixth arc changeover portion and second outer flange in proper order from the direction of keeping away from first end, and the material thickness of first arc changeover portion, second arc changeover portion, third arc changeover portion, fourth arc changeover portion, fifth arc changeover portion and sixth arc changeover portion is equallyd divide and is greater than the material thickness of every arc changeover portion both sides respectively. This rim is through increasing the material thickness of each arc changeover portion department for the dangerous section intensity of each arc changeover portion of rim improves, and the life of rim can promote, realizes the purpose of control weight, can also reduce manufacturing cost.
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 280mm in width, 1021mm in outer diameter, a circular ring-shaped groove arranged along the circumferential direction of the outer peripheral surface of the rim is formed in the middle of the outer peripheral surface of the rim, 919mm in inner diameter of the rim at the circular ring-shaped groove, and the circular ring-shaped groove is provided with a first end and a second end; a first side edge, a second side edge and a first outer flange which extend obliquely and upwards are sequentially arranged on one side of the first end from the direction far away from the second end, the first end is connected with the first side edge through a first arc-shaped transition section, the first side edge is connected with the second side edge through a second arc-shaped transition section, and the second side edge is connected with the first outer flange through a third arc-shaped transition section; a third side edge, a fourth side edge and a second outer flange which extend obliquely and upwards are sequentially arranged on one side of the second end from the direction far away from the first end, the second end and the third side edge are connected through a fourth arc-shaped transition section, the third side edge and the fourth side edge are connected through a fifth arc-shaped transition section, and the fourth side edge and the second outer flange are connected through a sixth 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 and the sixth arc transition section is respectively larger than the material thickness of 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 to the third 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.
Preferably, the second outer flange includes a second connecting section, a second arc-shaped section and a second outer section, the second connecting section is connected to the sixth arc-shaped transition section and perpendicular to the outer circumferential surface of the circular groove, and the material thickness of the second arc-shaped section is greater than the material thicknesses of the second connecting section and the second outer section.
Preferably, the width of each of the first outer flange and the second outer flange is 11.5mm, and the arc radius of each of the first arc-shaped section and the second arc-shaped section is 11 mm.
Preferably, the inclination angle of the first side is greater than the inclination angle of the second side, the inclination angle of the third side is greater than the inclination angle of the fourth side, and the inclination angle of the second side and the inclination angle of the fourth side are both 5 °.
Preferably, the arc radius of the first arc-shaped transition section and the fourth arc-shaped transition section is 10mm, the arc radius of the second arc-shaped transition section and the fifth arc-shaped transition section is 13.5mm, and the arc radius of the third arc-shaped transition section and the sixth arc-shaped transition section is 6.4 mm.
Preferably, the width direction of the rim has a median plane, and the rim is symmetrical about the median plane;
the horizontal distance between one end of the second side edge, which is close to the first end, and the first outer flange is 28mm, and the horizontal distance between one end of the fourth side edge, which is close to the second end, and the second outer flange is 28 mm;
the perpendicular distance from one end, far away from the first end, of the second side edge to the outer peripheral side of the first outer flange is 25.5 +/-1 mm, and the perpendicular distance from one end, far away from the second end, of the fourth side edge to the outer peripheral side of the second outer flange is 25.5 +/-1 mm.
Preferably, an air tap mounting hole is further formed in the rim, and the air tap mounting hole is formed in one side, close to the first outer flange, of the outer peripheral surface of the rim.
Preferably, the horizontal distance between the end of the first outer flange close to the first end and the end of the second outer flange close to the second end is 254 +/-2.4 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 and the fourth 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 and the sixth 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 cross-sectional view (one) of a rim according to an embodiment of the present invention.
Fig. 2 is a sectional view (two) of a rim according to an embodiment of the present invention.
Description of reference numerals:
First arcuate transition section 111
Second arcuate transition section 112
Third arcuate transition segment 113
Fourth arcuate transition segment 114
Fifth arcuate transition segment 115
Sixth curved transition section 116
First outer flange 120
First outer section 123
Second outer flange 130
Second connection section 131
Second arc segment 132
Second outer section 133
Air tap mounting hole 140
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.
As shown in FIGS. 1 and 2, the present invention provides a rim, model W10X 38 (38X W10), having a width of 280mm and an outer diameter phi of the rim1Is composed of
The middle part of the outer peripheral surface of the rim is provided with a circular ring-shaped groove 100 which is arranged along the circumferential direction of the outer peripheral surface of the rim, and the inner diameter phi of the rim at the circular ring-shaped groove 100 is2Is composed of
Specifically, as shown in fig. 1, the circular groove 100 has a first end and a second end; one side of the first end is provided with a first side edge 101, a second side edge 102 and a first outer flange 120 which extend obliquely and upwards in sequence from the direction far away from the second end, the first end is connected with the first side edge 101 through a first arc-shaped transition section 111, the first side edge 101 is connected with the second side edge 102 through a second arc-shaped transition section 112, and the second side edge 102 is connected with the first outer flange 120 through a third arc-shaped transition section 113; one side of the second end is provided with a third side edge 103 and a fourth side edge 104 which extend obliquely upwards and a second outer flange 130 in sequence from the direction far away from the first end, the second end and the third side edge 103 are connected through a fourth arc-shaped transition section 114, the third side edge 103 and the fourth side edge 104 are connected through a fifth arc-shaped transition section 115, and the fourth side edge 104 and the second outer flange 130 are connected through a sixth arc-shaped transition section 116.
In this embodiment, the material thickness of each of the first, second, third, fourth, fifth and sixth arcuate transition sections 111, 112, 113, 114, 115 and 116 is greater than the material thickness of each of the two sides of the arcuate transition sections. Here, the first arc transition section 111 is taken as an example: the two sides of the first arc-shaped transition section 111 are respectively provided with the circular ring-shaped groove 100 and the first side edge 101, 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 side edge 101, the structural strength of the rim at a corner is improved, and meanwhile, the overall weight of the rim 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 is ensured.
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.
As shown in fig. 1, the first outer flange 120 includes a first connection section 121, a first arc-shaped section 122 and a first outer side section 123, the first connection 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 connection 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, 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 also greater than the material thickness 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 reinforced.
As shown in FIG. 2, the rim has symmetrical outer dimensions, and the first outer flange 120 and the second outer flange 130 have a width D1Are all made of
The arc radii of the first arc segment 122 and the second arc segment 132 are both 11 mm.
In addition, in the embodiment, the inclination angle of the first side 101 is larger than that of the second side 102, and the inclination angle of the third side 103 is larger than that of the fourth side 104. The angle of inclination of the second side 102 and the angle of inclination of the fourth side 104 are both 5 °.
Specifically, the arc radii R of the first arc transition section 111 and the fourth arc transition section 1141Is 10mm, and the arc radius R of the second arc transition section 112 and the fifth arc transition section 1152Is 13.5mm, and the arc radius R of the third arc transition section 113 and the sixth arc transition section 1163Is 6.4 mm.
In the present embodiment, as shown in fig. 2, the rim has a bisecting plane in the width direction, and the rim is symmetrical about the bisecting plane.
The horizontal distance D2 between the end of the second side edge 102 near the first end and the first outer flange 120 is 28mm, and the horizontal distance D3 between the end of the fourth side edge near the second end and the second outer flange 130 is 28 mm.
The perpendicular distance H1 from the end of the second side 102 away from the first end to the outer periphery of the first outer flange 120 is 25.5 + -1 mm, and the perpendicular distance from the end of the fourth side 104 away from the second end to the outer periphery of the second outer flange 130 is 25.5 + -1 mm.
In the present embodiment, as shown in FIG. 2, the third arcuate transition segment 113 and the sixth arcuate transition segment 116 have a diameter φ in the circumferential direction3Is 970 +/-0.4 mm.
In this embodiment, the rim is further provided with air tap mounting holes 140, the air tap mounting holes 140 are provided on the outer peripheral surface of the rim near the first outer flange 120, and the diameter of the mounting holes is 15.7 mm.
In this embodiment, the horizontal distance between the end of the first outer flange 120 near the first end and the end of the second outer flange 130 near the second end is 254 ± 2.4 mm.
The material of the rim in the embodiment is medium carbon steel below 440, and the rim is formed by a cylindrical structure rolling process. The rim is formed by rolling through a cylindrical structure, the initial thickness of the cylindrical structure is 7-12mm, the material thickness of the first side edge 101, the second side edge 102, the third side edge 103 and the fourth side edge 104 is reduced by 0.5-3.5mm compared with the initial thickness, and the material thickness of 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 and the sixth arc-shaped transition section 116 is increased by 0.5-1.5mm compared with the initial thickness of the material.
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 reducing the material thickness of each side edge and increasing the material thickness of each arc transition section, and the bench test can reach 100 ten thousand times, which is far higher than 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 department move the bodiness to clearance department (arc transition department promptly) for dangerous section intensity 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 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 is characterized in that the width of the rim is 280mm, the outer diameter of the rim is 1021mm, a circular groove arranged along the circumferential direction of the outer circumferential surface of the rim is formed in the middle of the outer circumferential surface of the rim, the inner diameter of the rim at the circular groove is 919mm, and the circular groove is provided with a first end and a second end; a first side edge, a second side edge and a first outer flange which extend obliquely and upwards are sequentially arranged on one side of the first end from the direction far away from the second end, the first end is connected with the first side edge through a first arc-shaped transition section, the first side edge is connected with the second side edge through a second arc-shaped transition section, and the second side edge is connected with the first outer flange through a third arc-shaped transition section; a third side edge, a fourth side edge and a second outer flange which extend obliquely and upwards are sequentially arranged on one side of the second end from the direction far away from the first end, the second end is connected with the third side edge through a fourth arc-shaped transition section, the third side edge is connected with the fourth side edge through a fifth arc-shaped transition section, and the fourth side edge is connected with the second outer flange through a sixth 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 and the sixth arc transition section is respectively larger than the material thickness of 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 connecting with the third arcuate transition section and being 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.
3. The wheel rim of claim 2, wherein the second outer flange includes a second connecting segment, a second arcuate segment, and a second outer segment, the second connecting segment being connected to the sixth arcuate transition segment and perpendicular to the outer circumferential surface of the annular groove, the second arcuate segment having a material thickness greater than the material thickness of the second connecting segment and the second outer segment.
4. The wheel rim of claim 3, wherein the first outer flange and the second outer flange each have a width of 11.5mm and the first arcuate segment and the second arcuate segment each have an arc radius of 11 mm.
5. The rim of claim 1, wherein the angle of inclination of the first side is greater than the angle of inclination of the second side, the angle of inclination of the third side is greater than the angle of inclination of the fourth side, and the angle of inclination of the second side and the angle of inclination of the fourth side are both 5 °.
6. The wheel rim of claim 5, wherein the arc radii of the first arc transition and the fourth arc transition are 10mm, the arc radii of the second arc transition and the fifth arc transition are 13.5mm, and the arc radii of the third arc transition and the sixth arc transition are 6.4 mm.
7. The rim of claim 1, wherein the rim has a bisecting plane in a width direction, the rim being symmetrical about the bisecting plane;
the horizontal distance between one end of the second side edge, which is close to the first end, and the first outer flange is 28mm, and the horizontal distance between one end of the fourth side edge, which is close to the second end, and the second outer flange is 28 mm;
the perpendicular distance from one end, far away from the first end, of the second side edge to the outer periphery of the first outer flange is 25.5mm, and the perpendicular distance from one end, far away from the second end, of the fourth side edge to the outer periphery of the second outer flange is 25.5 mm.
8. The wheel rim of claim 1, further comprising air tap mounting holes formed in the rim, the air tap mounting holes being formed in the outer peripheral surface of the rim on a side thereof adjacent to the first outer flange.
9. The wheel rim of claim 1, wherein an end of the first outer flange proximate the first end is horizontally spaced 254 ± 2.4mm from an end of the second outer flange proximate the second end.
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, second, third and fourth sides is reduced by 0.5 to 3.5mm compared to the initial thickness, and the material thickness of the first, second, third, fourth, fifth and sixth transitions 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 |
|---|---|---|---|
| CN202220401847.0U CN216915370U (en) | 2022-02-25 | 2022-02-25 | Wheel rim |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220401847.0U CN216915370U (en) | 2022-02-25 | 2022-02-25 | Wheel rim |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216915370U true CN216915370U (en) | 2022-07-08 |
Family
ID=82267451
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220401847.0U Active CN216915370U (en) | 2022-02-25 | 2022-02-25 | Wheel rim |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216915370U (en) |
-
2022
- 2022-02-25 CN CN202220401847.0U patent/CN216915370U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102343765B (en) | Truck rear wheel aluminum alloy spinning hub and manufacturing method thereof | |
| CN207594648U (en) | Non-inflatable tyre | |
| CN216915370U (en) | Wheel rim | |
| CN216915377U (en) | Wheel rim | |
| CN216915379U (en) | Wheel rim | |
| CN216915364U (en) | Wheel rim | |
| CN216915365U (en) | Wheel rim | |
| CN216915371U (en) | Wheel rim | |
| CN216915384U (en) | Wheel rim | |
| CN216915372U (en) | Wheel rim | |
| CN216915382U (en) | Wheel rim | |
| CN216915369U (en) | Wheel rim | |
| CN216915367U (en) | Wheel rim | |
| CN216915374U (en) | Wheel rim | |
| CN216915375U (en) | Wheel rim | |
| CN216915380U (en) | Wheel rim | |
| CN216915383U (en) | Wheel rim | |
| CN216915381U (en) | Wheel rim | |
| CN217671958U (en) | Wheel rim | |
| CN216915368U (en) | Wheel rim | |
| CN217671960U (en) | Wheel rim | |
| CN217671959U (en) | Wheel rim | |
| CN216915385U (en) | Wheel rim | |
| CN216915386U (en) | Wheel rim | |
| CN216915387U (en) | Wheel rim |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |