CN210526635U - Upper steering hollow shaft - Google Patents
Upper steering hollow shaft Download PDFInfo
- Publication number
- CN210526635U CN210526635U CN201920846357.XU CN201920846357U CN210526635U CN 210526635 U CN210526635 U CN 210526635U CN 201920846357 U CN201920846357 U CN 201920846357U CN 210526635 U CN210526635 U CN 210526635U
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- gear
- bearing
- shelves
- lock sleeve
- rail
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Abstract
The utility model relates to an up-steering hollow shaft, it includes screw thread shelves (1), steering wheel spline shelves (2), tapering shelves (3), exposes shelves (4), first bearing shelves (5), welding lock sleeve shelves (6), second bearing shelves (7), R groove shelves (8) and connects spline shelves (9) its characterized in that, the axis body middle part that goes up to turn to the hollow shaft is hollow structure, and hollow structure runs through connection spline shelves (9), second bearing shelves (7), welding lock sleeve shelves (6), first bearing shelves (5), exposes shelves (4), tapering shelves (3), steering wheel spline shelves (2) and screw thread shelves (1) from a left side to the right side in proper order. The utility model discloses go up to turn to the hollow shaft and improve traditional integral type structure's solid last steering spindle and upgrade to hollow structure, under the prerequisite of guaranteeing structural strength for holistic weight alleviates greatly, satisfies the market requirement.
Description
Technical Field
The utility model relates to an go up to turn to hollow shaft.
Background
The steering shaft has the function of transmitting the steering torque of the driver acting on the steering wheel to the steering gear, the upper part of the steering shaft is fixedly connected with the steering wheel, and the lower part of the steering shaft is connected with the steering gear. The steering shaft passes through the steering column tube and is supported on bearings and bushings in the column tube. Conventional upper steering shafts are solid, one-piece structures. In the automobile industry, the weight of each part needs to be reduced under the environmental requirements of energy conservation and emission reduction, so that structural optimization and improvement are needed for many traditional parts, and the requirement of light weight is met on the premise of meeting the strength. It is therefore important to find an upper steering hollow shaft that satisfies structural strength and weight reduction.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned not enough, provide one kind and satisfy structural strength, weight reduction's last hollow shaft that turns to.
The purpose of the utility model is realized like this:
an upper steering hollow shaft comprises a thread gear, a steering wheel spline gear, a taper gear, an exposed gear, a first bearing gear, a welding lock sleeve gear, a second bearing gear, an R groove gear and a connecting spline gear,
the welding lock sleeve gear is transversely arranged in the middle, the outer diameter of the left half section of the welding lock sleeve gear is larger than that of the right half section of the welding lock sleeve gear, a circular bead is formed on the outer wall of the welding lock sleeve gear, the left end of the welding lock sleeve gear is connected with a second bearing gear, the left end of the second bearing gear is connected with a connecting spline gear, an R groove gear is positioned in the middle of the connecting spline gear, the right end of the welding lock sleeve gear is connected with a first bearing gear, the right end of the first bearing gear is connected with an exposed gear, the right end of the exposed gear is connected with a taper gear, the right end of the taper gear is connected with a steering wheel spline gear, the right,
the middle part of the shaft body of the upper steering hollow shaft is of a hollow structure, and the hollow structure sequentially penetrates through and is connected with a spline gear, a second bearing gear, a welding lock sleeve gear, a first bearing gear, an exposed gear, a taper gear, a steering wheel spline gear and a thread gear from left to right.
Preferably, the joint of the left end and the right end of the second bearing gear with the connecting spline gear and the welding lock sleeve gear respectively is also provided with a second necking with reduced outer diameter, the joint of the left end and the right end of the first bearing gear with the welding lock sleeve gear and the exposed gear respectively is also provided with a first necking with reduced outer diameter, a third necking with reduced outer diameter is arranged between the taper gear and the steering wheel spline gear, and a fourth necking with reduced outer diameter is arranged between the steering wheel spline gear and the thread gear.
The utility model provides an go up to turn to hollow shaft, assembles into the steering column assembly with it, the steering column assembly includes and turns to the hollow shaft, and the welding lock sleeve shelves department that turns to the hollow shaft on is provided with the lock sleeve, turns to on the second bearing shelves and the first bearing shelves of hollow shaft and is connected with second deep groove ball bearing and first deep groove ball bearing through second jump ring and first jump ring respectively, and second deep groove ball bearing and first deep groove ball bearing outer joint have last aluminium support assembly, go up to be provided with the fixed bolster assembly on the aluminium support assembly, are provided with the handle assembly on the fixed bolster assembly. .
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses go up to turn to the hollow shaft and improve traditional integral type structure's solid last steering spindle and upgrade to hollow structure, under the prerequisite of guaranteeing structural strength for holistic weight alleviates greatly, satisfies the market requirement.
Drawings
Fig. 1 is a schematic structural view of an upper steering hollow shaft.
Fig. 2 is a schematic structural view of an upper steering hollow shaft.
Wherein:
the structure comprises a threaded gear 1, a steering wheel spline gear 2, a taper gear 3, an exposed gear 4, a first bearing gear 5, a welding lock sleeve gear 6, a shoulder 601, a second bearing gear 7, an R groove gear 8 and a connecting spline gear 9;
the locking device comprises a lock sleeve 11, a second clamp spring 12, a first clamp spring 13, a second deep groove ball bearing 14, a first deep groove ball bearing 15, an upper aluminum support assembly 16, a fixed support assembly 17 and a handle assembly 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-2, the utility model relates to an upper steering hollow shaft, which comprises a thread stop 1, a steering wheel spline stop 2, a taper stop 3, an exposed stop 4, a first bearing stop 5, a welding lock sleeve stop 6, a second bearing stop 7, an R groove stop 8 and a connecting spline stop 9,
the welding lock sleeve gear 6 is transversely arranged in the middle, the outer diameter of the left half section of the welding lock sleeve gear 6 is larger than that of the right half section of the welding lock sleeve gear 6, a shoulder 601 is formed on the outer wall of the welding lock sleeve gear 6, the left end of the welding lock sleeve gear 6 is connected with a second bearing gear 7, the left end of the second bearing gear 7 is connected with a connecting spline gear 9, an R groove gear 8 is positioned in the middle of the connecting spline gear 9, the right end of the welding lock sleeve gear 6 is connected with a first bearing gear 5, the right end of the first bearing gear 5 is connected with an exposed gear 4, the right end of the exposed gear 4 is connected with a taper gear 3, the right end of the taper gear 3 is connected with a steering wheel spline gear 2, the right end of the steering wheel spline gear 2 is connected with a threaded gear 1, a second reducing-in outer diameter is arranged at the connection positions of the left end and the right end of the second bearing gear 7 and the connecting spline gear 9 and the welding lock sleeve gear 6 respectively, a first reducing-in outer diameter is arranged, a third necking with reduced outer diameter is arranged between the taper gear 3 and the steering wheel spline gear 2, and a fourth necking with reduced outer diameter is arranged between the steering wheel spline gear 2 and the thread gear 1.
The middle part of the shaft body of the upper steering hollow shaft is of a hollow structure, and the hollow structure sequentially penetrates through a spline gear 9, a second bearing gear 7, a welding lock sleeve gear 6, a first bearing gear 5, an exposed gear 4, a taper gear 3, a steering wheel spline gear 2 and a thread gear 1 from left to right.
The utility model provides an upper steering hollow shaft, assembles into the steering column assembly with it, the steering column assembly includes the upper steering hollow shaft, and the welding lock sleeve shelves 6 department of upper steering hollow shaft is provided with the lock sleeve 11, and the lock sleeve 11 is located circular bead 601 department, is connected with second deep groove ball bearing 14 and first deep groove ball bearing 15 through second jump ring 12 and first jump ring 13 respectively on the second bearing shelves 7 of upper steering hollow shaft and the first bearing shelves 5, and second deep groove ball bearing 14 and first deep groove ball bearing 15 external connection have last aluminium support assembly 16, go up and be provided with fixed bolster assembly 17 on the aluminium support assembly 16, be provided with handle assembly 18 on the fixed bolster assembly 17.
The above is only a specific application example of the present invention, and does not constitute any limitation to the protection scope of the present invention. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (3)
1. An upper steering hollow shaft is characterized by comprising a thread gear (1), a steering wheel spline gear (2), a taper gear (3), an exposed gear (4), a first bearing gear (5), a welding lock sleeve gear (6), a second bearing gear (7), an R groove gear (8) and a connecting spline gear (9),
the welding lock sleeve gear (6) is transversely arranged at the middle part, the left half-section outer diameter of the welding lock sleeve gear (6) is larger than the right half-section outer diameter, a circular bead (601) is formed on the outer wall of the welding lock sleeve gear (6), the left end of the welding lock sleeve gear (6) is connected with a second bearing gear (7), the left end of the second bearing gear (7) is connected with a connecting spline gear (9), an R groove gear (8) is positioned in the middle of the connecting spline gear (9), the right end of the welding lock sleeve gear (6) is connected with a first bearing gear (5), the right end of the first bearing gear (5) is connected with an exposed gear (4), the right end of the exposed gear (4) is connected with a taper gear (3), the right end of the taper gear (3) is connected with a steering wheel spline gear (2), the right end of the steering wheel spline gear (2) is,
the middle part of the shaft body of the upper steering hollow shaft is of a hollow structure, and the hollow structure sequentially penetrates through and is connected with a spline gear (9), a second bearing gear (7), a welding lock sleeve gear (6), a first bearing gear (5), an exposed gear (4), a taper gear (3), a steering wheel spline gear (2) and a thread gear (1) from left to right.
2. An upper steering hollow shaft according to claim 1, characterized in that the joint of the left and right ends of the second bearing rail (7) with the connecting spline rail (9) and the welding lock sleeve rail (6) respectively is provided with a second reduced-diameter second reduced opening, the joint of the left and right ends of the first bearing rail (5) with the welding lock sleeve rail (6) and the exposed rail (4) respectively is provided with a first reduced-diameter first reduced opening, a third reduced-diameter third reduced opening is arranged between the taper rail (3) and the steering wheel spline rail (2), and a fourth reduced-diameter fourth reduced opening is arranged between the steering wheel spline rail (2) and the thread rail (1).
3. The hollow upper steering shaft according to claim 1, wherein the hollow upper steering shaft is assembled into a steering column assembly, the steering column assembly comprises a hollow upper steering shaft, a lock sleeve (11) is arranged at a welding lock sleeve rail (6) of the hollow upper steering shaft, a second bearing rail (7) and a first bearing rail (5) of the hollow upper steering shaft are respectively connected with a second deep groove ball bearing (14) and a first deep groove ball bearing (15) through a second snap spring (12) and a first snap spring (13), an upper aluminum bracket assembly (16) is connected outside the second deep groove ball bearing (14) and the first deep groove ball bearing (15), a fixed bracket assembly (17) is arranged on the upper aluminum bracket assembly (16), and a handle assembly (18) is arranged on the fixed bracket assembly (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920846357.XU CN210526635U (en) | 2019-06-05 | 2019-06-05 | Upper steering hollow shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920846357.XU CN210526635U (en) | 2019-06-05 | 2019-06-05 | Upper steering hollow shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210526635U true CN210526635U (en) | 2020-05-15 |
Family
ID=70595550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920846357.XU Active CN210526635U (en) | 2019-06-05 | 2019-06-05 | Upper steering hollow shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210526635U (en) |
-
2019
- 2019-06-05 CN CN201920846357.XU patent/CN210526635U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |