CN212765462U

CN212765462U - Quick-release motor hub

Info

Publication number: CN212765462U
Application number: CN202021290598.XU
Authority: CN
Inventors: 吴长江
Original assignee: Changzhou Daer Electromechanical Co ltd
Current assignee: Changzhou Daer Electromechanical Co ltd
Priority date: 2020-07-03
Filing date: 2020-07-03
Publication date: 2021-03-23
Anticipated expiration: 2030-07-03

Abstract

The application relates to the technical field of hub motors, in particular to a quick-release motor hub which comprises a hub main body, a quick-release check ring and an edge cover, wherein the position, close to a first end face, of the outer peripheral surface of the hub main body is protruded along the radial direction of the hub main body to form an annular check ring; the first terminal surface of wheel hub main part is seted up and is used for holding the cavity of motor along the axial extension of wheel hub main part, and the side cover is connected with annular retaining ring, and seals the cavity. So set up, through the split type design of wheel hub main part and quick detach retaining ring, can convenient and fast ground dismouting tire, promote the tire and change the efficiency of repairing, moreover, through the inside seal of side cover with the wheel hub main part, strengthened dustproof performance effectively, be favorable to promoting life.

Description

Quick-release motor hub

Technical Field

The application relates to the technical field of hub motors, in particular to a quick-release motor hub.

Background

A hub is a cylindrical, centrally mounted metal part on a shaft that supports the tire within its inner contour. The wheel hub motor technology is also called as in-wheel motor technology, and the most important characteristic of the wheel hub motor technology is that a power device, a transmission device and a braking device are integrated into a wheel hub, so that the mechanical part of an electric vehicle is greatly simplified.

In the conventional technology, two check rings are arranged on the outer peripheral surface of a hub and used for limiting a tire on the outer periphery of the hub, but most of tires adopt solid tires or pneumatic tires, so that tire retreading is inconvenient, time and labor are wasted when the tires are disassembled, and inconvenience is caused. Moreover, the transmission parts such as the motor and the like are arranged in the hub, so that the hub is not sealed tightly and dust easily enters, and the service life is influenced.

Therefore, how to solve the problems that the existing motor hub is inconvenient to replace the tire and easy to be damaged by dust is a key technical problem to be solved by the technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

For overcoming the problem that exists among the correlation technique at least to a certain extent, the utility model aims at providing a quick detach motor wheel hub, it can solve current motor wheel hub and be not convenient for change the tire, and advance the problem that the ash damaged easily. The technical effects that can be produced by the preferred technical scheme in the technical schemes provided by the application are described in detail in the following.

The application provides a quick-release motor hub, which comprises a hub main body, a quick-release check ring and an edge cover, wherein the position, close to a first end face, of the outer peripheral surface of the hub main body forms an annular check ring along the radial protrusion of the hub main body; the first terminal surface of wheel hub main part is seted up along the axial extension of wheel hub main part is used for holding the cavity of motor, the side cap with annular retaining ring is connected, and will the cavity seals.

Preferably, a first annular boss is formed by the position, close to the first end face of the hub main body, of the outer peripheral surface of the annular retainer ring along the radial protrusion of the annular retainer ring, and a second annular boss is formed by the position, close to the second end face of the hub main body, of the outer peripheral surface of the quick release retainer ring along the radial protrusion of the quick release retainer ring.

Preferably, the opposite corner positions between the quick-release retainer ring and the annular retainer ring are in circular arc transition.

Preferably, be provided with a plurality of edges on the lateral wall of annular groove the first screw hole of the circumference evenly distributed of annular groove, be provided with a plurality of edges on the quick detach retaining ring the second screw hole of the circumference evenly distributed of quick detach retaining ring, first screw hole with second screw hole quantity position one-to-one and through first bolt through connection.

Preferably, a cover is arranged on the second end face of the hub main body, and the cover is detachably connected with the quick-release check ring and seals the first bolt in the quick-release check ring.

Preferably, the cover is connected with the quick-release retainer ring through a buckle structure, the buckle structure comprises a clamping piece and a fastener matched and buckled with the clamping piece, one of the clamping piece and the fastener is arranged on the cover, and the other one of the clamping piece and the fastener is arranged on the quick-release retainer ring.

Preferably, the seal cover is annular, the inner diameter of the seal cover is matched with the outer diameter of the second end face of the hub main body, and the outer diameter of the seal cover is matched with the outer diameter of the quick-release check ring.

Preferably, the inner side of the cover is provided with a plurality of limiting protrusions extending along the radial direction of the cover, and the second end surface of the hub main body is provided with a plurality of limiting grooves for the limiting protrusions to be embedded in.

Preferably, the first terminal surface of wheel hub main part is provided with a plurality of edges the third screw hole of the circumference evenly distributed of wheel hub main part, be provided with a plurality of edges on the side cover the fourth screw hole of the circumference evenly distributed of side cover, the third screw hole with fourth screw hole quantity position one-to-one and through second bolt through connection, the setting of third screw hole is in on the annular retaining ring, and be located the outside of cavity.

Preferably, an air nozzle hole for the air nozzle of the tire to penetrate through is arranged on the annular retainer ring or the quick-release retainer ring.

The technical scheme provided by the application can comprise the following beneficial effects:

after the quick-release check ring is nested in the annular groove and is fixedly connected with the hub main body, the tire can be limited on the outer peripheral surface of the hub main body through the quick-release check ring and the annular check ring, and the hub main body and the tire are further fixed; when the tire needs to be disassembled, the tire can be disassembled conveniently and quickly by only disassembling the quick-release check ring and the hub main body, a professional tool is not needed, and the efficiency of replacing and repairing the tire is improved. The first terminal surface of wheel hub main part is provided with the cavity, and this cavity sets up along the axial extension of wheel hub main part for hold motor and subassembly, the side cover should be connected on annular retaining ring, so that the side cover can seal the cavity, and then be favorable to sealing the motor in the cavity, guarantee the stability of function.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and together with the description, serve to explain the principles of the application.

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 perspective view of the present quick release motor hub shown in accordance with certain exemplary embodiments;

FIG. 2 is a front view of the present quick release motor hub shown in accordance with certain exemplary embodiments;

FIG. 3 is a side view of the present quick release motor hub shown in accordance with certain exemplary embodiments;

FIG. 4 is a front view of the hub body shown in accordance with some exemplary embodiments;

FIG. 5 is a side view of the hub body shown in accordance with certain exemplary embodiments;

FIG. 6 is a rear view of the hub body shown in accordance with some exemplary embodiments;

FIG. 7 is a front view of a quick release collar shown in accordance with certain exemplary embodiments;

fig. 8 is a front view of a closure shown in accordance with some exemplary embodiments.

In the figure: 1. a hub body; 2. a quick release retainer ring; 3. a side cover; 4. an annular retainer ring; 5. an annular groove; 6. a first threaded hole; 7. a second threaded hole; 8. a third threaded hole; 9. a fourth threaded hole; 10. sealing the cover; 11. a fastener; 12. a fastener; 13. a limiting bulge; 14. a limiting groove; 15. an air nozzle hole.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. Rather, they are merely examples of apparatus or methods consistent with aspects of the present application.

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the scope of the invention described in the claims. Further, the entire contents of the configurations shown in the following embodiments are not limited to those necessary as a solution of the invention described in the claims.

Referring to fig. 1 to 8, the present embodiment provides a quick-release motor hub, including a hub main body 1, a quick-release retainer ring 2 and a side cover 3, where the hub main body 1 is a cylindrical structure and has an outer circumferential surface, a first end surface and a second end surface opposite to the outer circumferential surface, an annular retainer ring 4 and an annular groove 5 are provided on the outer circumferential surface of the hub main body 1, specifically, the annular retainer ring 4 is formed along a radial protrusion of the hub main body 1, and the annular retainer ring 4 is disposed around the outer circumferential surface of the hub main body 1 and close to the first end surface of the hub main body 1; the annular groove 5 is formed recessed in the radial direction of the hub main body 1, while the annular groove 5 is circumferentially provided along the outer circumferential surface of the hub main body 1 and is close to the second end surface of the hub main body 1.

Quick detach retaining ring 2 sets up to annular structure, and the internal diameter of annular retaining ring 4 and the tank bottom diameter phase-match of annular groove 5 to make quick detach retaining ring 2 can nest outside annular groove 5, and make quick detach retaining ring 2 be connected with wheel hub main part 1 detachably. Therefore, after the quick-release check ring 2 is nested in the annular groove 5 and is connected and fixed with the hub main body 1, the tire can be limited on the outer peripheral surface of the hub main body 1 through the quick-release check ring 2 and the annular check ring 4, and the hub main body 1 and the tire are further fixed; when the tire needs to be disassembled, the tire can be disassembled conveniently and quickly by only disassembling the quick-release check ring 2 and the hub main body 1, a professional tool is not needed, and the efficiency of replacing and repairing the tire is improved.

The first terminal surface of wheel hub main part 1 is provided with the cavity, and this cavity sets up along the axial extension of wheel hub main part 1 for hold motor and subassembly, side cover 3 is connected on annular retaining ring 4, so that side cover 3 can seal the cavity, and then is favorable to sealing the motor in the cavity, guarantees the stability of function.

It will be understood that the hub body 1 and the side cover 3 need to be provided with through holes for the rotation shaft to extend through, and a mechanical seal or other sealing structure exists between the through holes and the rotation shaft, which will not be described in detail herein.

So set up, through the split type design of wheel hub main part 1 and quick detach retaining ring 2, can convenient and fast ground dismouting tire, promote the efficiency that the tire was changed and was repaired, moreover, through 3 internal seal with wheel hub main part 1 of side cover, strengthened dustproof performance effectively, be favorable to promoting life.

In the embodiment, the outer peripheral surface of the annular retainer ring 4 protrudes in the radial direction of the annular retainer ring 4 to form a first annular boss, and the first annular boss is close to the first end surface of the hub main body 1; the outer peripheral face of quick detach retaining ring 2 forms second annular boss along the radial arch of quick detach retaining ring 2, and this second annular boss is close to the position at the second terminal surface of wheel hub main part 1 to make the distance between quick detach retaining ring 2 and the annular retaining ring 4 increase gradually along the direction of keeping away from wheel hub main part 1, be favorable to promoting the installation compactness of tire, can be applicable to and aerify child, exempt from to aerify child and fill many types of size tires such as tire.

It should be noted that, the region between the quick release retainer ring 2 and the annular retainer ring 4 is used for accommodating a tire, and it is required to ensure that a certain distance is reserved between the annular retainer ring 4 and the annular groove 5, and because the quick release retainer ring 2 is abutted against the side wall of the annular groove 5 when being nested in the annular groove 5, a space is reserved between the quick release retainer ring 2 and the annular retainer ring 4, and an annular region for accommodating the tire is formed.

Wherein, all pass through the circular arc transition at the relative corner position between quick detach retaining ring 2 and annular retaining ring 4, and then guarantee that the tire is level and smooth stable when embedding annular region, prevent edges and corners with the tire fish tail. Specifically, arc transition is arranged at each corner position of the first annular boss, the second annular boss, the quick-release retainer ring 2 and the annular retainer ring 4.

In some embodiments, a first threaded hole 6 is formed in a side wall of the annular groove 5, the first threaded hole 6 is provided with a plurality of threaded holes and is uniformly distributed along the circumferential direction of the annular groove 5, a second threaded hole 7 is formed in the quick release retainer ring 2, the second threaded hole 7 is provided with a plurality of threaded holes and is uniformly distributed along the circumferential direction of the quick release retainer ring 2, the first threaded hole 6 corresponds to the second threaded hole 7 in number and position in a one-to-one manner and is connected through the first bolt in a penetrating manner, specifically, the first threaded hole 6 and the second threaded hole 7 are both provided with six threaded holes, the first bolt penetrates through the second threaded hole 7 and is connected in the first threaded hole 6, and thus, the connection is stable and.

Wherein, the second terminal surface of wheel hub main part 1 is provided with closing cap 10, this closing cap 10 is connected with quick detach retaining ring 2 detachably, and seal first bolt in quick detach retaining ring 2, specifically, one side that quick detach retaining ring 2 kept away from annular retaining ring 4 sets up to hollow structure, and support through the rib, first bolted connection is in quick detach retaining ring 2, when closing cap 10 is connected with quick detach retaining ring 2, can keep away from one side opening of annular retaining ring 4 with quick detach retaining ring 2 and seal, so that first bolt seal is between closing cap 10 and quick detach retaining ring 2, be favorable to preventing that first bolt is not hard up, keep the firm of quick detach retaining ring 2 and wheel hub main part 1 connection.

In some preferred schemes, the cover 10 is connected to the quick release ring 2 through a snap structure, wherein the snap structure includes a fastener 11 and a fastener 12, the fastener 12 is matched and fastened with the fastener 11 so that the fastener 12 and the fastener 11 are detachably fastened together, and one of the fastener 11 and the fastener 12 is disposed on the cover 10 and the other is disposed on the quick release ring 2. Specifically, the clamping piece 11 is located in the quick release collar 2, and the fastening piece 12 is arranged on the cover 10. Like this, buckle structure facilitates the operation installation, is favorable to promoting holistic aesthetic property.

Wherein, closing cap 10 is the loop configuration, and, the internal diameter of closing cap 10 and the external diameter phase-match of the second terminal surface of wheel hub main part 1, the external diameter of closing cap 10 and quick detach retaining ring 2 to the external diameter phase-match that makes closing cap 10 just can be connected the second terminal surface of wheel hub main part 1 and quick detach retaining ring 2 just and seal, is favorable to keeping the wholeness after wheel hub main part 1 and quick detach retaining ring 2 connect.

Moreover, in order to improve the connection stability of the sealing cover 10, the inner side of the sealing cover 10 is provided with a plurality of limiting protrusions 13, the limiting protrusions 13 are arranged along the radial extension of the sealing cover 10, correspondingly, the second end surface of the hub main body 1 is provided with a plurality of limiting grooves 14, and the positions and the sizes of the limiting protrusions 13 and the limiting grooves 14 are matched, so that the limiting protrusions 13 can be embedded into the limiting grooves 14, and the limiting is realized. In this way, the cover 10 is prevented from rotating relative to the hub body 1.

In some embodiments, the first end surface of the hub main body 1 is provided with a third threaded hole 8, the third threaded hole 8 is provided with a plurality of third threaded holes 8 and is uniformly distributed along the circumferential direction of the hub main body 1, correspondingly, the edge cover 3 is provided with a fourth threaded hole 9, the fourth threaded holes 9 are provided with a plurality of third threaded holes 9 and are uniformly distributed along the circumferential direction of the edge cover 3, the third threaded holes 8 correspond to the fourth threaded holes 9 in number and position one to one, and are connected through the second bolt, so that the edge cover 3 and the hub main body 1 are fixed. Here, the second bolt passes through the fourth threaded hole 9 and is connected in the third threaded hole 8. Wherein, third screw hole 8 sets up on annular retaining ring 4, and is located the opening periphery of the cavity of wheel hub main part 1, like this, when fixing side cover 3 through the second bolt, can detain side cover 3 and realize sealedly outside the cavity, and sealed effect preferred.

Specifically, one side that quick detach retaining ring 2 was kept away from to annular retaining ring 4 sets up to hollow structure, and supports through the rib, and the second bolt runs through fourth screw hole 9 and connects in the fourth screw hole 9 of quick detach retaining ring 2, and in addition, the external diameter of side cover 3 and the external diameter phase-match of annular retaining ring 4 to make side cover 3 can seal the cavity that quick detach retaining ring 2 one side was kept away from to annular retaining ring 4, promote holistic aesthetic property.

In order to conveniently inflate the tire, the annular retainer ring 4 or the quick-release retainer ring 2 is provided with an air nozzle hole 15, and the air nozzle hole 15 can be used for extending an air nozzle of the tire, so that the tire inflation device is convenient and reliable.

It should be noted that the terms "first," "second," "third," "fourth," and the like, as used herein, are not intended to limit the specific order, but merely to distinguish one element or function from another.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

It is understood that the same or similar parts in the above embodiments may be mutually referred to, and the same or similar parts in other embodiments may be referred to for the content which is not described in detail in some embodiments. The multiple schemes provided by the application comprise basic schemes of the schemes, are independent of each other and are not restricted to each other, but can be combined with each other under the condition of no conflict, so that multiple effects are achieved together.

While embodiments of the present application have been shown and described above, it is to be understood that the above embodiments are exemplary and not to be construed as limiting the present application, and that changes, modifications, substitutions and alterations may be made to the above embodiments by those of ordinary skill in the art within the scope of the present application.

Claims

1. A quick-release motor hub is characterized by comprising a hub main body (1), a quick-release check ring (2) and a side cover (3), wherein an annular check ring (4) is formed at the position, close to a first end face, of the outer peripheral surface of the hub main body (1) along the radial direction of the hub main body (1), an annular groove (5) for nesting the quick-release check ring (2) is formed at the position, far away from the first end face, of the outer peripheral surface of the hub main body (1) along the radial direction of the hub main body (1) in a recessed mode, and the quick-release check ring (2) is detachably connected with the hub main body (1); the first end face of the hub body (1) is provided with a cavity which is axially extended and used for accommodating a motor, and the side cover (3) is connected with the annular retainer ring (4) and seals the cavity.

2. The quick release motor hub according to claim 1, wherein a first annular boss is formed along the radial protrusion of the annular retaining ring (4) at the position where the outer peripheral surface of the annular retaining ring (4) is close to the first end surface of the hub main body (1), and a second annular boss is formed along the radial protrusion of the quick release retaining ring (2) at the position where the outer peripheral surface of the quick release retaining ring (2) is close to the second end surface of the hub main body (1).

3. The quick release motor hub according to claim 1 or 2, wherein the opposite corner positions between the quick release retaining ring (2) and the annular retaining ring (4) are both transited through an arc.

4. The quick release motor hub according to claim 1, wherein a plurality of first threaded holes (6) are uniformly distributed along the circumferential direction of the annular groove (5) on the side wall of the annular groove (5), a plurality of second threaded holes (7) are uniformly distributed along the circumferential direction of the quick release retaining ring (2) on the quick release retaining ring (2), and the first threaded holes (6) and the second threaded holes (7) are in one-to-one correspondence in number and position and are connected through first bolts.

5. The quick-release motor hub according to claim 4, characterized in that a cover (10) is disposed on the second end surface of the hub main body (1), and the cover (10) is detachably connected to the quick-release retainer ring (2) and encloses the first bolt in the quick-release retainer ring (2).

6. The quick release motor hub according to claim 5, characterized in that the cover (10) is connected to the quick release collar (2) through a snap structure, the snap structure comprises a snap member (11) and a fastener (12) engaged with the snap member (11), one of the snap member (11) and the fastener (12) is disposed on the cover (10) and the other is disposed on the quick release collar (2).

7. The quick-release motor hub according to claim 5, characterized in that the cover (10) is annular, and the inner diameter of the cover (10) matches with the outer diameter of the second end face of the hub body (1) and the outer diameter matches with the outer diameter of the quick-release retainer ring (2).

8. The quick-release motor hub according to claim 7, characterized in that the inner side of the cover (10) is provided with a plurality of limiting protrusions (13) extending along the radial direction of the cover (10), and the second end surface of the hub main body (1) is provided with a plurality of limiting grooves (14) for the limiting protrusions (13) to be embedded in.

9. The quick-release motor hub according to claim 1, wherein a plurality of third threaded holes (8) are uniformly distributed along the circumferential direction of the hub body (1) on the first end surface of the hub body (1), a plurality of fourth threaded holes (9) are uniformly distributed along the circumferential direction of the side cover (3) on the side cover (3), the third threaded holes (8) and the fourth threaded holes (9) are in one-to-one correspondence in number and position and are connected through second bolts in a penetrating manner, and the third threaded holes (8) are arranged on the annular retainer ring (4) and located outside the cavity.

10. The quick-release motor hub according to claim 1, characterized in that the annular retainer ring (4) or the quick-release retainer ring (2) is provided with an air nozzle hole (15) for the air nozzle of the tire to pass through.