CN216069481U - Axle and axle assembly - Google Patents
Axle and axle assembly Download PDFInfo
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- CN216069481U CN216069481U CN202122283288.6U CN202122283288U CN216069481U CN 216069481 U CN216069481 U CN 216069481U CN 202122283288 U CN202122283288 U CN 202122283288U CN 216069481 U CN216069481 U CN 216069481U
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- axle
- connecting plate
- mounting holes
- matching part
- head
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Abstract
The utility model discloses an axle and an axle assembly, wherein the axle comprises an axle tube, an axle head and a connecting plate; the axle tube and the axle head are respectively positioned at two sides of the connecting plate; the end part of the shaft tube and the inner side end of the shaft head form an inserting end respectively, two mounting holes are formed in the connecting plate, the two mounting holes are staggered in the height direction of the connecting plate, and the two inserting ends are connected in the two mounting holes in a penetrating mode respectively and are welded and fixed with the connecting plate together; the inner wall of one of the mounting holes is provided with a first matching part, the outer periphery of the inserting end corresponding to the one of the mounting holes is provided with a second matching part, one of the first matching part and the second matching part is a clamping groove, and the other one of the first matching part and the second matching part is a convex rib embedded in the clamping groove. The utility model uses the clamping groove and the convex rib to bear larger torque, thereby avoiding larger stress bearing at the welding position of the shaft tube, the shaft head and the connecting plate and avoiding stress concentration at the welding position.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to an axle and an axle assembly.
Background
The conventional axle is of a flat configuration, which is difficult to adapt to special vehicles, such as a carriage which needs to lower the center of gravity of the vehicle body to obtain large loading easiness, or a transportation pipeline and a transportation tank on the vehicle body are avoided, and a concave shaft is arranged at the bottom of the vehicle, the middle part of the concave shaft is concave, and the axle pipe at the two ends has a relatively higher height than that of the axle pipe at the middle part so as to ensure that the wheels at the axle head parts can be normally fitted and installed. Present concave axle is usually including the central siphon, the spindle nose, and the connecting plate, a connecting plate is connected respectively at the both ends of central siphon, then connect two spindle noses respectively on two connecting plates, in the direction of height, the spindle nose staggers certain distance each other with the central siphon, in the vehicle driving process, stress concentration locates on the connecting plate, lead to connecting plate and spindle nose easily, and the welding of central siphon junction inefficacy, thereby lead to the vehicle to have certain potential safety hazard, because stress concentration, the height that can stagger each other between spindle nose and the central siphon is very limited, thereby the application scope of concave axle has been influenced.
SUMMERY OF THE UTILITY MODEL
In view of the shortcomings of the prior art, the utility model aims to provide an axle capable of increasing the strength of the axle tube, the axle head and the joint of a connecting plate.
The utility model also aims to provide an axle assembly.
In order to achieve the first purpose, the utility model adopts the following technical scheme:
the axle comprises an axle tube, an axle head and a connecting plate;
the axle tube and the axle head are respectively positioned at two sides of the connecting plate;
the end part of the shaft tube and the inner side end of the shaft head form an inserting end respectively, two mounting holes are formed in the connecting plate, the two mounting holes are staggered in the height direction of the connecting plate, and the two inserting ends are connected in the two mounting holes in a penetrating mode respectively and are welded and fixed with the connecting plate together;
the inner wall of one of the mounting holes is provided with a first matching part, the outer periphery of the inserting end corresponding to the one of the mounting holes is provided with a second matching part, one of the first matching part and the second matching part is a clamping groove, and the other one of the first matching part and the second matching part is a convex rib embedded in the clamping groove.
The inner walls of the two mounting holes are provided with first matching portions, and the outer peripheries of the two insertion ends are provided with second matching portions.
The first matching part is a clamping groove, and the second matching part is a convex rib.
The inner wall of mounting hole is provided with a plurality of draw-in grooves of arranging along the circumference of mounting hole, and the outer peripheral edges of grafting end is provided with a plurality of protruding muscle of arranging along the circumference of grafting end, and the embedding of a plurality of protruding muscle one-to-one is put in a plurality of draw-in grooves.
The connecting plate includes relative first side and the second side that sets up, and two mounting holes are all by the first side run through extend to the second side.
The shaft tube penetrates into the mounting hole positioned below from the first side surface, and a first welding line is formed between the end part periphery of the shaft tube and the second side surface; the shaft head penetrates into the mounting hole positioned above from the second side surface, and a second welding seam is formed between the periphery of the inner end part of the shaft head and the first side surface.
In order to achieve the second purpose, the utility model adopts the following technical scheme:
the axle assembly comprises the axle, a braking bottom plate and a cam shaft, wherein the braking bottom plate is fixed on the axle head, the cam shaft is arranged on the braking bottom plate and is in pivot fit with the braking bottom plate, and the cam shaft is parallel to the axle tube.
The outer periphery of the connecting plate is provided with a concave position, and the cam shaft is embedded in the concave position.
The utility model has the beneficial effects that:
according to the utility model, the area of the matching part of the shaft tube and the connecting plate and/or the area of the matching part of the shaft head and the connecting plate are/is increased through the matching of the convex rib and the clamping groove, so that the rigidity of the connecting part is increased, meanwhile, the torsion stress area of the matching part of the shaft tube and/or the shaft head and the connecting plate is increased through the matching of the clamping groove and the convex rib, namely, the clamping groove and the convex rib are utilized to bear larger torque, so that the welding part of the shaft tube, the shaft head and the connecting plate is prevented from bearing larger stress, and the stress is prevented from being concentrated at the welding part.
Drawings
FIG. 1 is a schematic structural view of an axle assembly of the present invention;
FIG. 2 is a schematic structural view of another axle assembly of the present invention.
Detailed Description
The utility model will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1, an axle assembly according to the present invention includes an axle, the axle includes an axle tube 10, a spindle head 20, and a connecting plate 30, the axle tube 10 and the spindle head 20 are respectively located at two sides of the connecting plate 30, specifically, the connecting plate 30 includes a first side surface 301 and a second side surface 302 opposite to the first side surface 301, the axle tube 10 is located at one side of the first side surface 301, the spindle head 20 is located at one side of the second side surface 302, an insertion end 11 is formed at an end of the axle tube 10, an insertion end 21 is formed at an inner side end of the spindle head 20, a mounting hole 31 and a mounting hole 32 are formed in the connecting plate 30, the mounting hole 31 is disposed on the first side surface 301, the mounting hole 32 is disposed on the second side surface 302, the mounting hole 31 and the mounting hole 32 are staggered from each other by a certain distance in a height direction of the connecting plate 30, wherein the mounting hole 32 is located above the mounting hole 31; the inner walls of the mounting hole 31 and the mounting hole 32 are respectively provided with a first matching part, the outer peripheries of the plugging end 11 and the plugging end 21 are respectively provided with a second matching part, the plugging end 11 is plugged in the mounting hole 31, the second matching part on the plugging end is matched with the first matching part in the mounting hole 31, the plugging end 21 is plugged in the mounting hole 32, and the second matching part on the plugging end is matched with the first matching part in the mounting hole 32; the first matching portion is a clamping groove, the second matching portion is a convex rib embedded in the clamping groove, namely, the convex ribs are arranged on the outer peripheries of the inserting end 11 and the inserting end 21, and after the inserting end 11 and the inserting end 21 are respectively inserted into the mounting hole 31 and the mounting hole 32, the convex ribs on the two are respectively embedded in the clamping groove formed in the inner wall of the mounting hole 31 and the inner wall of the mounting hole 32. In other embodiments, the first mating portions may be ribs disposed on the inner walls of the mounting holes 31 and 32, and the second mating portions may be slots disposed on the outer peripheries of the plug ends 11 and 21.
In other embodiments, the present invention may be provided with a locking groove and a rib on only one mounting hole and one insertion end, for example, the locking groove is provided in the mounting hole 31, the rib is provided on the outer periphery of the insertion end 11, and the insertion end 21 of the shaft head 20 has a cylindrical configuration and directly penetrates into the circular mounting hole 32. Of course, the present invention may also be a structure in which the engaging portion of the shaft tube 10 and the connecting plate 30 is only provided with the engaging portion of the engaging groove and the engaging rib, or a structure in which the engaging portion of the shaft head 20 and the connecting plate 30 is only provided with the engaging portion of the engaging groove and the engaging rib.
After the insertion end is inserted into the mounting hole, the area of the matching part of the shaft tube 10 and the connecting plate 30 and/or the area of the matching part of the shaft head 20 and the connecting plate 30 are/is increased through the matching of the convex rib and the clamping groove, so that the rigidity of the connecting part is increased, meanwhile, the torsion stress area of the matching part of the shaft tube and/or the shaft head and the connecting plate is increased through the matching of the clamping groove and the convex rib, namely, the clamping groove and the convex rib are utilized to bear larger torque, so that the welding part of the shaft tube, the shaft head and the connecting plate is prevented from bearing larger stress, and the stress is prevented from being concentrated at the welding part.
In addition, according to the present invention, a plurality of clamping grooves are arranged on the inner surfaces of the mounting hole 31 and the mounting hole 32, and the plurality of clamping grooves are arranged along the circumferential direction of the mounting hole 31 and the mounting hole 32, so that a spline 311 is formed on the inner wall of the mounting hole 31, a spline 321 is formed on the inner wall of the mounting hole 32, a plurality of ribs are arranged on both the inserting end 11 and the inserting end 21, and the plurality of ribs are arranged along the circumferential direction of the inserting end 11 and the inserting end 21, so that a spline 111 is formed on the inserting end 11, a spline 211 is formed on the inserting end 21, the spline 111 is engaged with the spline 311 in the mounting hole 31, and the spline 211 is engaged with the spline 321 in the mounting hole 32, so that the shaft tube 10 and the shaft head are engaged with the connecting plate 30 through the spline, and a torsion force bearing area at the engagement portion of the inserting end and the mounting hole is further increased.
In the present invention, the mounting holes 31 and 32 of the connecting plate 30 extend from the first side surface 301 to the second side surface 302, so that the axle tube 10 and the axle head 20 can pass through the first side surface 301 and the second side surface 302 when the mounting holes 31 and the mounting holes 32 are matched, so that the axle tube 10 and the axle head 20 have a larger axial fit size with the connecting plate 30, in addition, the axle tube 10 is inserted into the mounting hole 31 from the first side surface 101 side, after the end of the inserting end 11 of the axle tube 10 is inserted into the mounting hole 31, a first welding seam is formed between the periphery of the end part of the shaft head 20 and the second side surface 302, the shaft head 20 penetrates into the mounting hole 32 from the side of the second side surface 302, a second welding seam is formed between the periphery of the end part of the inserting end 21 on the shaft head 20 and the first side surface 301, namely, the connecting plate 30 is welded and fixed to the end of the shaft head 20 at the first side 301, and the connecting plate 30 is welded and fixed to the end of the shaft tube 10 at the second side 302.
In addition, the axle assembly of the present invention further includes a backing plate 40, a cam shaft 50, wherein the backing plate 40 is fixed to the axle head 20, the cam shaft 50 is mounted on the backing plate 40 and pivotally engaged with the backing plate 40, and the cam shaft 50 is disposed in parallel with the axle tube 10.
Referring to fig. 2, the present invention may be that a recess 33 is formed at an outer circumference of the connecting plate, and the cam shaft 50 is embedded in the recess 33, so that interference between the cam shaft 50 and the connecting plate is avoided, the size of the connecting plate can be increased as much as possible, and the strength of the connecting plate 30 is increased.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model.
Claims (8)
1. The axle is characterized by comprising an axle tube, an axle head and a connecting plate;
the axle tube and the axle head are respectively positioned at two sides of the connecting plate;
the end part of the shaft tube and the inner side end of the shaft head form an inserting end respectively, two mounting holes are formed in the connecting plate, the two mounting holes are staggered in the height direction of the connecting plate, and the two inserting ends are connected in the two mounting holes in a penetrating mode respectively and are welded and fixed with the connecting plate together;
the inner wall of one of the mounting holes is provided with a first matching part, the outer periphery of the inserting end corresponding to the one of the mounting holes is provided with a second matching part, one of the first matching part and the second matching part is a clamping groove, and the other one of the first matching part and the second matching part is a convex rib embedded in the clamping groove.
2. The vehicle axle of claim 1 wherein the inner walls of both mounting holes are provided with a first mating portion and the outer peripheries of both spigot ends are provided with a second mating portion.
3. The vehicle axle of claim 1 wherein the first mating portion is a snap groove and the second mating portion is a rib.
4. The axle of claim 3, wherein the inner wall of the mounting hole is provided with a plurality of slots arranged along the circumferential direction of the mounting hole, the outer periphery of the plug end is provided with a plurality of ribs arranged along the circumferential direction of the plug end, and the plurality of ribs are embedded in the plurality of slots in a one-to-one correspondence.
5. The vehicle axle of claim 1 wherein the web includes first and second oppositely disposed side surfaces, and wherein the mounting holes extend through the first side surface to the second side surface.
6. The vehicle axle of claim 5 wherein the axle tube extends from the first side into the mounting hole located below, and wherein a first weld is formed between the end periphery of the axle tube and the second side; the shaft head penetrates into the mounting hole positioned above from the second side surface, and a second welding seam is formed between the periphery of the inner end part of the shaft head and the first side surface.
7. An axle assembly comprising an axle according to any one of claims 1 to 6, a backing plate secured to the head, and a cam shaft mounted on and pivotally engaged with the backing plate, the cam shaft being parallel to the axle tube.
8. The axle assembly of claim 7, wherein the connecting plate is provided at its outer periphery with a recess in which the cam shaft is fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122283288.6U CN216069481U (en) | 2021-09-20 | 2021-09-20 | Axle and axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122283288.6U CN216069481U (en) | 2021-09-20 | 2021-09-20 | Axle and axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216069481U true CN216069481U (en) | 2022-03-18 |
Family
ID=80677724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122283288.6U Active CN216069481U (en) | 2021-09-20 | 2021-09-20 | Axle and axle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216069481U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116077160A (en) * | 2023-04-11 | 2023-05-09 | 北京爱康宜诚医疗器材有限公司 | Spinal traction device |
-
2021
- 2021-09-20 CN CN202122283288.6U patent/CN216069481U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116077160A (en) * | 2023-04-11 | 2023-05-09 | 北京爱康宜诚医疗器材有限公司 | Spinal traction device |
| CN116077160B (en) * | 2023-04-11 | 2023-07-14 | 北京爱康宜诚医疗器材有限公司 | Spinal traction device |
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