CN217532410U

CN217532410U - Axle of skew is prevented to bearing

Info

Publication number: CN217532410U
Application number: CN202221682470.7U
Authority: CN
Inventors: 左红诚
Original assignee: Kunshan Jiuhongxing Sports Equipment Technology Co ltd
Current assignee: Kunshan Jiuhongxing Sports Equipment Technology Co ltd
Priority date: 2022-06-30
Filing date: 2022-06-30
Publication date: 2022-10-04
Anticipated expiration: 2032-06-30

Abstract

The utility model provides an axle that skews is prevented to bearing, including center pin and the flower-drum unit that cup joints on the center pin, the right-hand member of flower-drum unit is connected with the ratchet, the both ends of center pin still are equipped with left bearing and right bearing respectively, the both ends of center pin still are equipped with left end lid and right end lid respectively, right bearing is located between ratchet and the right end lid; the left end cover with flower-drum unit interference fit, the baculina of a left side is located in the mesopore of flower-drum unit, the left side of the baculina of a left side is equipped with spacing unit, and part the left side of the baculina of a left side supports and leans on spacing unit, the right side of the baculina of a left side supports and leans on simultaneously center pin outer wall step face and on the step face of flower-drum unit inner wall. The utility model discloses simple structure, the design is exquisite, can prevent that left peylin right-hand member from receiving the left side power and taking place the skew, improves bicycle axletree quality.

Description

Axle of skew is prevented to bearing

Technical Field

The utility model relates to a bicycle axletree technical field especially relates to an axletree of skew is prevented to bearing.

Background

Bicycle axles are cylindrical parts that penetrate into the hub to bear the weight of the vehicle body. With the continuous progress of the times, the functional requirements of consumers on the bicycles are higher and higher, the traditional products are gradually upgraded into high-end products, and meanwhile, the high requirements are also put forward on important parts of the bicycles. The bicycle is comfortable and light to ride and needs to have high strength as a support.

At present, the quality of axles with two bearings is abnormal. As shown in fig. 1, because the inner hole of the tower footing appearance structure limiting ratchet wheel 5 can not be enlarged any more, so that the axial force bearing point for supporting the right bearings 6 can not be added on the bottom of the right bearings 6 on the central shaft 4, the left movement of the central shaft 4 can be prevented only by the resistance generated by the interference fit of the left bearings 2, when the right end of the central shaft receives a certain left force, and the force is greater than the clamping force of the interference of the left bearings 2, the assembly on the central shaft 4 will move leftwards, the right bearings 6 will bear the permanent axial force to the left after the movement, the bearings are easily burnt by heat generated due to the operation of the bearings under the influence of the resistance, the jamming is caused, or the riding comfort is influenced by the increase of the resistance.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem provide an axletree of skew is prevented to bearing for solve the epaxial bearing of bearing for the problem that the skew takes place for bearing, simple structure, the design is exquisite, improves bicycle axletree quality.

In order to solve the technical problem, the utility model provides a peignin anti-deviation axle, which comprises a central shaft and a hub unit sleeved on the central shaft, wherein the right end of the hub unit is connected with a ratchet wheel, the ratchet wheel is sleeved on the central shaft, the two ends of the central shaft are respectively sleeved with a left bearing and a right bearing, the two ends of the central shaft are respectively provided with a left end cover and a right end cover, and the right bearing is positioned between the ratchet wheel and the right end cover;

the left end cover with flower-drum unit interference fit, the baculin on a left side is located in the mesopore of flower-drum unit, just the baculin on a left side is located the inboard of left end cover, the left side of the baculin on a left side is equipped with spacing unit, and part the left side of the baculin on a left side supports and leans on spacing unit, the right side of the baculin on simultaneously center pin outer wall step face and on the flower-drum unit inner wall step face.

Furthermore, the limiting unit is sleeved on the periphery of the left end cover along the length direction of the central shaft, and part of the limiting unit extends into the middle hole of the hub unit and abuts against the right end face of the left bearing.

Furthermore, the left end face of the hub unit is provided with a clamping groove for installing the limiting unit, the clamping groove is communicated with the middle hole of the hub unit, and the right end face of the limiting unit is abutted against the clamping groove.

Furthermore, the limiting unit comprises a chassis abutted against the clamping groove and a step part positioned on the chassis, a brake disc is further mounted on the left end face of the hub unit, and the brake disc penetrates through the step part through a center hole of the brake disc and is abutted against the side edge of the chassis.

Further, the chassis is integrally constructed with the stepped portion.

Furthermore, the limiting unit is a clamp spring, and the right end face of the limiting unit is abutted to the left end face of the left bearing.

Furthermore, the inner wall of the hub unit is provided with an annular inner clamping groove for installing the limiting unit, and the annular inner clamping groove is communicated with the central hole of the hub unit.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model provides an axletree that skew is prevented to bearing forest, its simple structure, stability is good, sets up spacing unit through the left end of bearing forest on the center pin on a left side for the position of fixed bearing forest prevents that the bearing forest right-hand member from receiving left side power and taking place the skew, and structural design is exquisite, has guaranteed the quality of bicycle axletree, good reliability.

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural diagram in the prior art provided by the present invention;

FIG. 2 is a schematic view of a preferred embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic view of another preferred embodiment of the present invention;

fig. 5 is an enlarged view of a portion B of fig. 4.

Reference numbers in the figures:

1. a left end cap; 2. l-bearing perrin; 3. a hub unit; 31. a card slot; 32. an inner clamping groove; 4. a central shaft; 5. a ratchet wheel; 6. d, D-perrin; 7. a right end cap; 8. 9-a limiting unit; 81. a chassis; 82. a step portion; 10. a brake disc.

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 efforts all belong to the protection scope of the present invention.

Please refer to fig. 2 to 5 in combination, a peyline anti-deviation axle comprises a central shaft 4 and a hub unit 3 sleeved on the central shaft 4, wherein a ratchet wheel 5 is connected to the right end of the hub unit 3, the ratchet wheel 5 is sleeved on the central shaft 4, a left peyline 2 and a right peyline 6 are respectively sleeved on two ends of the central shaft 4, a left end cover 1 and a right end cover 7 are respectively arranged on two ends of the central shaft 4, and the right peyline 6 is located between the ratchet wheel 5 and the right end cover 7;

the left end cover 1 with 3 interference fit of flower-drum unit, a left side banks up 2 and is located in the mesopore of flower-drum unit 3, just a left side banks up 2 and is located the inboard of left end cover 1, the left side of a left side banks up 2 is equipped with spacing unit 8, and part the left side of a left side banks up 2 supports and leans on spacing unit 8, the right side of a left side banks up 2 supports simultaneously and leans on 4 outer wall step faces of center pin and 3 inner wall step faces of flower-drum unit, supports through spacing unit 8 and leans on the left end of a left side banks up 2, avoids a left side banks up 2 to receive right side power and removes left, also supports the right-hand member face of tight left side banks up 2 through 4 outer wall step faces of center pin and 3 inner wall step faces of flower-drum unit, avoids it to take place the skew right side to the position of good left side banks up 2 is fixed.

As shown in fig. 2 and fig. 3, in this embodiment, the limiting unit 8 is sleeved on the periphery of the left end cover 1 along the length direction of the central shaft 4, and part of the limiting unit 8 extends into the middle hole of the hub unit 3 and abuts against the right end face of the left peirin 2, the left end face of the hub unit 3 is provided with a clamping groove 31 for installing the limiting unit 8, the clamping groove 31 is communicated with the middle hole of the hub unit 3, and the right end face of the limiting unit 8 abuts against the inside of the clamping groove 31. Spacing unit 8 is installed from the side of hub unit 3 to through draw-in groove 31, make partial spacing unit 8 can extend until leaning on the side at left bearing 2 to the mesopore of hub unit 3, avoided left bearing 2 to the left side skew.

In this embodiment, the limiting unit 8 includes a chassis 81 abutting against the inside of the slot 31 and a step portion 82 located on the chassis 81, the chassis 81 and the step portion 82 are integrally configured to ensure the strength of the limiting unit 8, and the step portion 82 is located on the left end face of the chassis 81.

In addition, in order to fix the limiting unit 8 conveniently, the brake disc 10 is further installed on the left end face of the hub unit 3, the brake disc 10 penetrates through the step portion 82 through the central hole thereof and is pressed against the side edge of the chassis 81, wherein the outer diameter of the step portion 82 should be smaller than the diameter of the central hole of the brake disc 10, and the outer diameter of the chassis 81 should be larger than the diameter of the central hole of the brake disc 10. Through the fixed mounting of brake disc 10 and flower-drum unit 3, realize fixed spacing unit 8, because brake disc 10 is the fixed mounting spare of bicycle axletree, the position that realizes left bearings 2 is fixed to the combination of accessible brake disc 10 and stopper, and the design is exquisite, easy dismounting, and stability is strong.

In another embodiment, as shown in fig. 3 and 4, the limiting unit 9 is a snap spring, and a right end surface of the limiting unit 9 abuts against a left end surface of the left pellin 2.

In order to facilitate installation of the limiting unit 9, an annular inner clamping groove 32 for installing the limiting unit 9 is formed in the inner wall of the hub unit 3 and is communicated with a central hole of the hub unit 3. Specific saying so, jump ring inlay card installs in interior draw-in groove 32, jump ring rigidity, and partial jump ring is located interior draw-in groove 32's outside to make the right-hand member face that is located the outside partial jump ring of interior draw-in groove 32 support and lean on the left end face at left bank 2, simple and convenient has effectively avoided left bank 2 to take place the skew, has guaranteed the stability of left bank 2 mounted position.

Through two kinds of above embodiments homoenergetic fixed left banks 2 in the epaxial position of center pin 4, avoid left banks 2's both ends to receive the side force and take place the skew, promoted the quality of axletree, guarantee the reliability of its use.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. The axle capable of preventing the migration of the bearing is characterized by comprising a central shaft and a hub unit sleeved on the central shaft, wherein the right end of the hub unit is connected with a ratchet wheel, the ratchet wheel is sleeved on the central shaft, a left bearing and a right bearing are respectively sleeved at two ends of the central shaft, a left end cover and a right end cover are respectively arranged at two ends of the central shaft, and the right bearing is positioned between the ratchet wheel and the right end cover;

the left end cover with flower-drum unit interference fit, a left side banks up the forest and is located in the mesopore of flower-drum unit, just a left side banks up the forest and is located the inboard of left end cover, the left side of a left side banks up the forest is equipped with spacing unit, and part the left side of a left side banks up the forest supports and leans on spacing unit, the right side of a left side banks up the forest supports and leans on simultaneously center pin outer wall step face and on the flower-drum unit inner wall step face.

2. The peyline anti-deflection axle as claimed in claim 1, wherein the limiting unit is sleeved on the periphery of a left end cover along the length direction of the central shaft, and part of the limiting unit extends into the hole in the hub unit and abuts against the right end face of the left peyline.

3. The peyline anti-shifting axle according to claim 2, wherein a clamping groove for mounting the limiting unit is formed in the left end face of the hub unit, the clamping groove is communicated with the middle hole of the hub unit, and the right end face of the limiting unit abuts against the clamping groove.

4. The peilin deviation-preventing axle according to claim 3, wherein the limiting unit comprises a chassis abutting against the inside of the clamping groove and a step part positioned on the chassis, a brake disc is further mounted on the left end face of the hub unit, and the brake disc penetrates through the step part through a center hole of the brake disc and abuts against the side edge of the chassis.

5. The peilene excursion prevention axle as recited in claim 4, wherein the chassis is integrally constructed with the step portion.

6. The peyline anti-deviation axle according to claim 1, wherein the limiting unit is a clamp spring, and a right end face of the limiting unit abuts against a left end face of the left peyline.

7. The peilin anti-deviation axle according to claim 6, wherein the inner wall of the hub unit is provided with an annular inner clamping groove for mounting the limiting unit and is communicated with the central hole of the hub unit.