Hub cover and steel wheel thereof

Abstract

The utility model discloses a hub cover and a steel wheel thereof, and belongs to the technical field of hub covers, the hub cover comprises an inner cover body, an outer cover body and an outer cover body, the shape of the outer cover body is matched with that of the inner cover body, a threaded rod is arranged on the outer cover body, and the threaded rod is in threaded connection with the threaded cylinder; the locking part is mounted on the inner cover body; wherein when the outer cover body is installed on the inner cover body, the locking part abuts against the inner wall of the hub, the hub cover is divided into the inner cover body and the outer cover body, the inner cover body is installed in the installation groove of the steel wheel, and when the outer cover body is damaged by external force, the inner cover body can still provide a protection function.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of wheel hub cover, concretely relates to a wheel hub cover and steel wheel thereof. BACKGROUND

[0002] In order to protect the hub and axle connection, avoid the connection to contaminate dust and be corroded, thereby prolong the service life of hub, will install the wheel hub cover at the central position of hub generally, protect the connection of hub and axle, but the wheel hub cover of most parts currently is single layer structure, single protection layer is easy to change when being impacted by the road surface flying stone or external force even breakage, and because it is single layer structure, so lose all protection function after being damaged, in order to solve the above problem, the utility model provides a wheel hub cover and steel wheel thereof. UTILITY MODEL CONTENTS

[0003] In view of the above technical deficiency, the utility model aims at providing a wheel hub cover and steel wheel, the wheel hub cover is provided with inner cover body and outer cover body, the inner cover body is installed in the mounting groove of steel wheel, when the outer cover body is damaged by external force, the inner cover body can still provide protection.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme: the utility model provides a wheel hub cover, which comprises:

[0005] The inner cover body is in the shape of a disc, and a threaded cylinder is arranged at the center of the disc;

[0006] The outer cover body is in the shape of a disc, and a threaded cylinder is arranged at the center of the disc;

[0007] The locking portion is installed on the inner cover body;

[0008] When the outer cover body is installed on the inner cover body, the locking portion abuts against the inner wall of the hub.

[0009] Preferably, the inner cover body comprises:

[0010] The base ring is connected to the threaded cylinder by a plurality of fixing rods;

[0011] The sealing film is fixedly connected between the inner annular surface of the base ring and the outer annular surface of the threaded cylinder.

[0012] Preferably, the locking portion comprises a plurality of top rods, one end of each top rod is inserted into the base ring, and the other end of each top rod extends into the interior of the threaded cylinder, the end of each top rod inside the threaded cylinder is in the shape of a wedge, and the distance between the wedge-shaped surface of each top rod away from the inner cover body and the axis of the threaded cylinder is smaller than the distance between the other side of each wedge-shaped surface and the axis of the threaded cylinder.

[0013] Preferably, the top rod comprises an outer block and an inner block, and two elastic rods are fixedly connected between the outer block and the inner block.

[0014] Preferably, the number of the top rods is matched with the number of the fixed rods, and the fixed rods are fixedly connected with clamping portions matched with the elastic rods.

[0015] Preferably, the clamping portion comprises an insertion rod, the elastic rod is provided with a through hole matched with the insertion rod, and a convex ring is arranged on an end face of the insertion rod away from the fixed rod and is in interference fit with the through hole.

[0016] Preferably, the threaded rod is a conical surface away from the outer cover body.

[0017] Preferably, the base ring is provided with a fixing ring on a side face close to the outer cover body, and the outer cover body is matched with the fixing ring.

[0018] Preferably, the outer side face of the outer cover body is provided with a bolt hole.

[0019] A steel wheel comprises a steel wheel body and the hub cover, the steel wheel body is provided with a mounting groove matched with the hub cover, and the mounting groove is provided with an insertion groove matched with the inner cover body.

[0020] The hub cover and the steel wheel have the beneficial effects that:

[0021] The inner cover body is installed in the mounting groove, and the outer cover body seals the slot opening of the mounting groove, so that the inner cover body is not damaged by external force under the protection of the outer cover body.

[0022] When the outer cover body is installed on the inner cover body, the threaded rod abuts against the top rod in a direction away from the axis of the threaded cylinder, so that the top rod abuts against the groove wall of the mounting groove, thereby enabling the inner cover body and the outer cover body to be stably installed on the hub. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor.

[0024] Figure 1 The hub cover and the steel wheel provided by the present application are shown in the structural schematic view.

[0025] Figure 2It is an exploded view of the utility model.

[0026] Figure 3 It is a partial sectional view of the utility model.

[0027] Figure 4 It is an exploded view of the utility model Figure 3 .

[0028] Figure 5 It is an exploded view of the utility model sealing film, base ring and outer block.

[0029] Figure 6 It is a structural schematic view of the utility model insertion rod and convex ring.

[0030] Mark explanation:

[0031] 1, bolt hole, 2, threaded cylinder, 3, outer cover body, 4, threaded rod, 5, base ring, 6, fixed rod, 7, sealing film, 8, outer block, 9, inner block, 10, elastic rod, 11, insertion rod, 12, through hole, 13, convex ring, 14, steel wheel body, 15, mounting groove, 16, insertion slot. Specific implementation

[0032] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0033] The utility model provides a kind of wheel hub cover and steel wheel, as Figures 1 to 6 Shown.

[0034] Embodiment one:

[0035] The utility model provides a kind of wheel hub cover, including inner cover body and outer cover body 3, inner cover body includes base ring 5 and is connected central threaded cylinder 2 assembly by multiple uniform distribution fixed rod 6, the inner ring surface of base ring 5 and the outer ring surface between threaded cylinder 2 are provided with elastic sealing film 7 and form closed disc, locking portion is also installed on inner cover body, when outer cover body 3 is installed on inner cover body, locking portion will be tightly closed on the groove wall of the mounting groove 15 of steel wheel body 14, can make inner cover body more stably installed on steel wheel body 14.

[0036] The shape of outer cover body 3 is compatible with the shape of inner cover body, and threaded rod 4 is fixedly installed on the side surface centric of outer cover body 3 close to inner cover body.

[0037] The locking portion comprises a plurality of jacks, the number and position of which correspond to the number and position of the plurality of fixing rods 6, the plurality of jacks are distributed along the circumference of the threaded cylinder 2, one end of the jack is slidably connected with the through slot provided on the base ring 5, and the other end extends through the threaded cylinder 2 to the inside of the threaded cylinder 2, the end of the jack inside the threaded cylinder 2 is a wedge surface, and the distance between the wedge surface away from the side of the inner cover body and the axis of the threaded cylinder 2 is smaller than the distance between the other side and the axis of the threaded cylinder 2.

[0038] The end of the threaded rod 4 away from the outer cover body 3 is a conical surface, which can better resist the jack.

[0039] When installing, the inner cover body is installed on the steel wheel, then the threaded rod 4 is threadedly connected with the threaded cylinder 2, and the outer cover body 3 is continuously rotated clockwise, so that the outer cover body 3 is tightly pressed against the base ring 5, and at the same time, when the threaded rod 4 is gradually screwed into the inside of the threaded cylinder 2, it will tightly press against the wedge-shaped end of the jack, pushing the jack away from the axis of the threaded cylinder 2, so that the jack tightly presses against the groove wall of the mounting groove 15, and the inner cover body is more stably installed on the steel wheel body 14.

[0040] The side surface of the base ring 5 close to the outer cover body 3 is provided with a fixing ring, the outer diameter of the fixing ring is matched with the inner diameter of the outer cover body 3, when the outer cover body 3 is continuously rotated, the inner wall of the outer cover body 3 will tightly fit with the outer wall of the fixing ring, and at the same time, the outer cover body 3 will tightly press against the base ring 5, so that the outer cover body 3 and the base ring 5 can better maintain sealing, improving the protection effect of the connection between the hub and the axle, avoiding the connection being contaminated by dust and corroded.

[0041] The outer side surface of the outer cover body 3 is provided with a bolt hole 1, the shape of the bolt hole 1 is a regular hexagon, and the outer cover body 3 can be conveniently rotated by using an inner hexagonal wrench.

[0042] Embodiment two:

[0043] The jack comprises an outer block 8, an inner block 9 and two elastic rods 10, the outer block 8 is slidably installed with the through slot provided on the base ring 5, the inner block 9 is slidably installed with the threaded cylinder 2, the two elastic rods 10 are symmetrically arranged with the center of the outer block 8 as the reference, and the two elastic rods 10 are fixedly installed between the outer block 8 and the inner block 9.

[0044] The fixing rod 6 is fixedly connected with a clamping portion matched with the elastic rod 10, the clamping portion comprises a plug rod 11, the corresponding elastic rod 10 is provided with a through hole 12 matched with the plug rod 11, the end surface of the plug rod 11 away from the fixing rod 6 is provided with a convex ring 13, the convex ring 13 is in interference fit with the through hole 12, when the threaded rod 4 tightly presses against the jack, the elastic rod 10 will be deformed under the pressing force, so that the elastic rod 10 and the convex ring 13 on the plug rod 11 are clamped, so that the elastic rod 10 can be fixed, and the convex ring 13 can prevent the elastic rod 10 from falling off the plug rod 11, so that the inner cover body can be more stably installed on the hub.

[0045] Example three:

[0046] A steel wheel, comprising a steel wheel body 14 and the hub cover described above, the steel wheel body 14 is provided with a mounting groove 15 matched with the hub cover, the mounting groove 15 is provided with a plurality of insertion grooves 16, the insertion grooves 16 are matched with the outer block 8, when the threaded rod 4 abuts against the jack, the outer block 8 will be inserted into the inside of the insertion groove 16, so that the inner cover body and the outer cover body 3 can be more stably installed on the steel wheel body 14.

[0047] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalent technologies, the present application also intends to include these modifications and variations.

Claims

1. A hubcap characterized by, The utility model relates to a wheel hub cover, which comprises: an inner cover body in the shape of a disc, provided with a threaded cylinder (2) at the center thereof; an outer cover body (3) in the shape of the inner cover body, provided with a threaded rod (4) on the outer cover body (3), which is threadedly connected with the threaded cylinder (2); a locking part installed on the inner cover body; wherein, when the outer cover body (3) is installed on the inner cover body, the locking part abuts against the inner wall of the wheel hub.

2. A hubcap as claimed in claim 1, wherein The inner cover body comprises: a base ring (5) connected with the threaded cylinder (2) by a plurality of fixing rods (6); a sealing film (7) fixedly connected between the inner annular surface of the base ring (5) and the outer annular surface of the threaded cylinder (2).

3. A hubcap as claimed in claim 2, wherein The locking part comprises a plurality of top rods, one end of each of the top rods is inserted into the base ring (5), and the other end of each of the top rods extends through the threaded cylinder (2) to the inside of the threaded cylinder (2), the end of each of the top rods inside the threaded cylinder (2) is a wedge surface, and the distance between the wedge surface far away from the inner cover body and the axis of the threaded cylinder (2) is smaller than the distance between the other side of the wedge surface and the axis of the threaded cylinder (2).

4. A hubcap as claimed in claim 3, wherein The top rod comprises an outer block (8) and an inner block (9), and two elastic rods (10) are fixedly connected between the outer block (8) and the inner block (9).

5. A hubcap as claimed in claim 4, wherein The number of the top rods is matched with the number of the fixing rods (6), and a clamping part matched with the elastic rod (10) is fixedly connected on the fixing rod (6).

6. A hubcap as claimed in claim 5, wherein The clamping part comprises an insertion rod (11), the elastic rod (10) is provided with a through hole (12) matched with the insertion rod (11), and the end face of the insertion rod (11) far away from the fixing rod (6) is provided with a convex ring (13) in interference fit with the through hole (12).

7. A hubcap as claimed in claim 3, wherein The end of the threaded rod (4) far away from the outer cover body (3) is a conical surface.

8. A hubcap as defined in claim 2 wherein, The side face of the base ring (5) close to the outer cover body (3) is provided with a fixing ring matched with the outer cover body (3).

9. A hubcap as in claim 1, wherein, The outer side face of the outer cover body (3) is provided with a bolt hole (1).

10. A steel wheel comprising a steel wheel body (14) and a hubcap according to any one of claims 1-9, characterized in that, The steel wheel body (14) is provided with a mounting groove (15) matched with the wheel hub cover, and the mounting groove (15) is provided with an insertion groove (16) matched with the inner cover body.

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