CN212400780U

CN212400780U - Two-piece type hub

Info

Publication number: CN212400780U
Application number: CN202021248776.2U
Authority: CN
Inventors: 钱志军
Original assignee: Zhenjiang Weiernai Wheel Manufacturing Co ltd
Current assignee: Zhenjiang Weiernai Wheel Manufacturing Co ltd
Priority date: 2020-07-01
Filing date: 2020-07-01
Publication date: 2021-01-26
Anticipated expiration: 2030-07-01

Abstract

The utility model discloses a two-piece hub, which comprises a spoke, a rim, a sealing ring and a locking mechanism; the rim comprises a first wheel flange, a straight rim and a fixed rim, the first wheel flange is positioned at one end of the straight rim, an air nozzle hole is formed in the middle of the straight rim, and the outer side surface of the other end of the straight rim is provided with a taper and is matched and connected with a spoke; the fixed rim is vertical to the straight rim and is positioned at one end of the straight rim with conicity; the spoke comprises a second wheel rim, a conical ring and a mounting surface, the inner side surface of the conical ring is matched with the end part of the wheel rim, and the mounting surface of the spoke and the fixed wheel rim are provided with connecting holes and are fixed through a locking mechanism; a circle of annular groove is formed between the spoke and the rim mounting surface, and the sealing ring is arranged in the annular groove; the two-piece hub provided by the utility model is convenient to install; the straight rim structure is adopted, the shock resistance is strong, the connecting surface of the rim and the spoke is positioned at the end part of the rim, the contact area is large, and the fixation is firm.

Description

Two-piece type hub

Technical Field

The utility model relates to a wheel hub makes technical field, concretely relates to two formula wheel hubs.

Background

With the advance of society and the rapid development of automobile industry, the living standard of people is continuously improved, an automobile becomes one of the transportation vehicles for riding instead of walk, and the hub is used as a main supporting part, so that the strength and the structure of the hub play a vital role in the running of the automobile; the existing two-piece hub production process and structure are difficult to meet the requirements of large vehicles, and mainly used on vehicles with small loads, the joint part of a front middle piece and a rim rear piece is poured with a rubber sealing layer, the joint part of the front middle piece and the rim rear piece is fixedly combined in the middle of a rim by adopting a bolt for connection, the connection is fixed by screw threads, and the rim rear piece adopts a groove depth slope rim; the following disadvantages mainly exist: 1. the pouring sealing layer is not firm and is easy to damage and leak; 2. the contact matching area is small, the bolt connection is free of nuts, the bolt connection is locked by virtue of the thread teeth of the holes, the load bearing capacity is poor, and the risk of fracture exists; 3. the groove depth slope rim has insufficient rim supporting function, poor impact resistance, and the rim at the groove bottom slope is easy to deform or crack and leak air.

SUMMERY OF THE UTILITY MODEL

The technical purpose is as follows: to current two formula wheel hub not enough connecting with structural existence now, the utility model discloses a bear load big, tire simple to operate, leakproofness good and fixed firm two formula wheel hub.

The technical scheme is as follows: in order to achieve the technical purpose, the utility model adopts the following technical scheme:

a two-piece hub comprises a spoke, a rim, a sealing ring, an air nozzle hole, an air nozzle mounting through hole, an air nozzle and a locking mechanism; the spoke and the rim are fixedly connected through a locking mechanism, and a sealing ring is arranged on a connecting surface; the rim comprises a straight rim, a first flange, a fixed rim and a first connecting hole; the first wheel rim is positioned at one end of the straight wheel rim, the air nozzle hole is arranged in the middle of the straight wheel rim, the air nozzle hole at the mounting end of the air nozzle is connected in a sealing manner, and the outer side surface of the other end of the straight wheel rim is provided with a taper, so that the tire is conveniently mounted; the fixed rim is positioned at one end of the straight rim with the taper and is vertical to the straight rim; the straight rim has strong impact resistance, and the deformation, cracking and air leakage of the rim caused by large load do not exist.

The fixed rim is provided with a central hole, the outer side end face of the fixed rim comprises three stages of annular steps, namely a first step, a second step and a third step in sequence, and the third step is positioned at the outermost end; be provided with the axletree mounting hole on the terminal surface of third step, axletree mounting hole and centre bore and axletree match, set up first connecting hole on the terminal surface of second step.

The spoke comprises a second rim, a conical ring and a mounting surface, wherein a second connecting hole is formed in the mounting surface, the taper of the inner side surface of the conical ring is matched with the taper of the outer side surface of the end part of the straight rim, the fitting performance is good, the fitting is tight, and air leakage and dust entering are avoided; the mounting surface, the conical ring, the upper end surface of the first step and the side surface of the second step form a circle of annular groove, and the sealing ring is mounted in the annular groove and is compressed by the mounting surface and the upper end surface of the first step, so that the sealing ring can be effectively sealed to prevent air leakage.

Locking mechanism includes locking bolt and lock nut, and locking bolt passes first connecting hole and second connecting hole and lock nut and connects, and is fixed with rim and spoke, and air cock installation through-hole sets up in second step department, runs through second step and installation face, is located wheel hub's outermost edge, and the air inlet end of air cock passes the air cock installation and leads to, protrudes its terminal surface, and the hole is convenient for aerify for the tire.

Preferably, the locking bolt is a 10.9-grade high-strength bolt, and the locking nut is a 10-grade nut, so that the connection strength is ensured, and the service life of the hub is prolonged.

Preferably, the sealing ring adopts annular rubber circle, and the leakproofness is good, installs in the ring channel, and it is convenient to change.

Preferably, the spoke is installed at the end part of the rim, the installation surface is in contact with the upper end surface of the second step, the contact area is large, the contact matching area is large, and the installation is stable and firm.

Preferably, the spoke and the rim can be integrally cast or forged according to actual needs, the spoke and the rim adopt the same processing mode, the matching of strength is guaranteed, and the requirements of vehicles of different types are met.

When the two-piece type wheel hub provided by the utility model is used, the tire is installed through one end of the straight wheel rim with the taper; installing a sealing ring on the end face of the first step, placing a spoke, enabling the inner surface of a conical ring of the spoke to be in contact with one end with a taper of the straight rim, attaching an installation surface to the upper surface of the second step, pressing the sealing ring tightly, aligning a first connection hole and a second connection hole, enabling an air inlet end of the air faucet to protrude out of an air faucet installation through hole, enabling a locking bolt to penetrate through the first connection hole and the second connection hole, locking the end parts of the locking bolt by using a locking nut, and limiting the position of the tire by using a second rim on the spoke and a second rim on the end part of the straight rim together while keeping sealing; and then is connected with the axle through a central hole on the fixed rim and an axle mounting hole, and is mounted after the completion.

Has the advantages that: the two-piece type wheel hub disclosed by the utility model adopts a straight wheel rim structure, has strong shock resistance and is not easy to deform and break; the contact area between the spoke and the rim is large, and the spoke and the rim are firmly fixed and have high safety by using a high-strength locking bolt and a high-strength locking nut; the air inlet end of the air nozzle protrudes out of the end face of the spoke and is positioned on the side face of the hub, so that the air can be conveniently inflated; a sealing ring is arranged for sealing, so that the replacement and maintenance are convenient; two formula wheel hub structures do not need whole change, save the maintenance cost.

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.

Fig. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;

fig. 3 is a cross-sectional view of the spoke of the present invention taken along a-a in fig. 1;

FIG. 4 is a cross-sectional view of the rim of the present invention taken along B-B of FIG. 1;

FIG. 5 is an enlarged partial view of the spoke and rim junction of the present invention;

wherein, 1-spoke, 2-rim, 3-ring groove, 4-seal ring, 5-air nozzle hole, 6-air nozzle mounting through hole, 7-locking mechanism, 8-air nozzle;

11-a second rim, 12-a mounting surface, 13-a conical ring and 14-a second connecting hole;

21-straight rim, 22-first rim, 23-fixed rim, 24-first connection hole;

71-locking bolt, 72-locking nut;

231-first step, 232-second step, 233-third step, 234-center hole, 235-axle mounting hole.

Detailed Description

The present invention will be more clearly and completely described below by way of a preferred embodiment in conjunction with the accompanying drawings, which are not intended to limit the scope of the invention as described herein.

As shown in fig. 1 and 2, the two-piece hub provided by the present invention comprises a spoke 1, a rim 2, a sealing ring 4, an air nozzle hole 5, an air nozzle mounting through hole 6, a locking mechanism 7 and an air nozzle 8, wherein the spoke 1 and the rim 2 adopt the same processing method and can be formed by casting or forging; the locking mechanism 7 comprises a locking bolt 71 and a locking nut 72, wherein the locking bolt 71 adopts a 10.9-grade bolt, and the locking nut 72 adopts a nut with the strength grade of 10, so that the locking mechanism 7 has enough strength to fix the spoke 1 and the rim 2.

As shown in fig. 3, the spoke 1 comprises a second rim 11, a mounting surface 12 and a conical ring 13, wherein a second connecting hole 14 is formed in the mounting surface 12; the rim 2 comprises a straight rim 21, a first wheel flange 22 and a fixed rim 23, one end of the straight rim 21 is the first wheel flange 22, the middle part of the straight rim is provided with an air nozzle hole (5), and the outer side surface of the other end of the straight rim is provided with a taper, so that the tire is convenient to mount; the fixed rim 23 is perpendicular to the straight rim 21 and is located at the tapered end of the straight rim 21.

As shown in fig. 4, the fixed rim 23 is provided with a central hole 234, the end surface of the fixed rim 23 is three annular steps, namely a first step 231, a second step 232 and a third step 233, wherein the third step is located at the outermost end, and the end surface of the third step 233 is provided with an axle mounting hole 235; the central bore 234 and axle mounting bore 235 mate with an axle.

As shown in fig. 5, the end surface of the second step 232 is provided with a first connecting hole 24, the first connecting hole 24 corresponds to the second connecting hole 14, the locking bolt 71 passes through the first connecting hole 24 and the second connecting hole 14, the end part is fixed by the locking bolt 72, the spoke 1 and the rim 2 are fixedly connected, the contact area of the spoke 1 and the rim 2 is large, and the fixation is firm.

The side of installation face 12, second step 232 of spoke 1, the up end of first step 231 and the medial surface of toper ring 13 constitute round ring channel 3 jointly, the tapering phase-match of the medial surface of toper ring 13 and straight rim 21 tip lateral surface, sealing washer 4 installs in ring channel 3, and sealing washer 4 uses annular rubber circle, is pressed tightly by the up end of installation face 12 and first step 231, guarantees sealed effect, prevents gas leakage.

Air cock installation through-hole 6 sets up in second step 232 department, runs through second step 232 and installation face 12, and air cock 8 ground installation end and 5 threaded connection in air cock hole, convenient to detach, air cock 8 pass air cock installation through-hole 6, and the tire of being convenient for is aerifyd in the outside of its air inlet end protrusion spoke 1.

The utility model provides a two formula wheel hub, the tire is installed through straight rim 21 one end that has the tapering, and the mounting face 12 of the upper end installation sealing washer 4 spoke 1 of first step 231 and the upper end laminating of second step 232, locking bolt 71 pass first connecting hole 24 and second connecting hole 14, use lock nut 72 to lock, fixed spoke 1 and rim 2; is secured to the axle by a central bore 234 and an axle mounting bore 235.

The above description is only a preferred embodiment of the present invention, and it should be noted that: for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. A two-piece hub, comprising: comprises a spoke (1), a rim (2), a sealing ring (4) and a locking mechanism (7); the spoke (1) and the rim (2) are fixed through a locking mechanism (7), and a sealing ring (4) is arranged between the connecting surfaces of the spoke (1) and the rim (2);

the wheel rim (2) comprises a straight wheel rim (21), a first wheel rim (22) and a fixed wheel rim (23), the first wheel rim (22) is located at one end of the straight wheel rim (21), the outer side face of the other end of the straight wheel rim (21) is provided with a taper, the fixed wheel rim (23) is perpendicular to one end of the straight wheel rim (21) with the taper, and the outer end face of the fixed wheel rim (23) is provided with a first connecting hole (24);

the spoke (1) comprises a second rim (11), a mounting surface (12) and a conical ring (13), wherein the inner side surface of the conical ring (13) is provided with a taper, the taper is matched with the taper of the outer side surface of the end part of the straight rim (21), and the mounting surface (12) is provided with a second connecting hole (14);

the mounting surface (12) of the spoke (1) is matched with the outer end surface of the fixed rim (23), the first connecting hole (24) corresponds to the second connecting hole (14), and the locking mechanism (7) is used for locking; the inner side surface of the conical ring (13) is matched with the end surface of the outer side surface rim (2) with the tapered end of the straight rim (21), and the second wheel flange (11) and the first wheel flange (22) are symmetrical about the straight rim (21).

2. A two-piece hub according to claim 1, wherein: the fixed rim (23) is provided with a central hole (234), and the outer end face of the fixed rim (23) is provided with three-stage annular steps which are a first step (231), a second step (232) and a third step (233) respectively; the third step (233) is positioned at the outermost end, and axle mounting holes (235) are uniformly formed in the step surface of the third step; the first connecting hole (24) is arranged on the step surface of the second step (232); the upper end face of the first step (231), the mounting surface (12), the side face of the second step (232) and the inner side face of the conical ring (13) form an annular groove (3), the sealing ring (4) is mounted in the annular groove (3), and the mounting surface (12) and the upper end face of the second step (232) are pressed tightly.

3. A two-piece hub according to claim 2, wherein: the sealing ring (4) is an annular rubber ring.

4. A two-piece hub according to claim 1, wherein: the locking mechanism (7) comprises a locking bolt (71) and a locking nut (72), and the locking bolt (71) sequentially penetrates through the first connecting hole (24), the second connecting hole (14) and the locking nut (72) to be connected.

5. A two-piece wheel hub according to claim 4, wherein: the locking bolt (71) adopts a 10.9-grade high-strength bolt, and the locking nut (72) adopts a 10-grade nut.

6. A two-piece hub according to claim 1, wherein: the two-piece type hub further comprises an air nozzle hole (5), an air nozzle (8) and an air nozzle mounting through hole (6); the air nozzle hole (5) is formed in the middle of the straight wheel rim (21), and the mounting end of the air nozzle (8) is fixedly connected with the air nozzle hole (5).

7. A two-piece hub according to claim 6, wherein: air cock installation through-hole (6) set up in second step (232) department, run through second step (232) and installation face (12), and air cock (8) pass air cock installation through-hole (6), and air cock installation through-hole (6) is salient to the air inlet end of air cock (8).

8. A two-piece hub according to claim 6, wherein: the mounting end of the air nozzle (8) is connected with the air nozzle hole (5) by welding or threads.