CN217575492U

CN217575492U - Motor disc brake structure on electric bicycle

Info

Publication number: CN217575492U
Application number: CN202220940837.4U
Authority: CN
Inventors: 王林
Original assignee: Changzhou Daolin Electromechanical Co ltd
Current assignee: Changzhou Daolin Electromechanical Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-10-14
Anticipated expiration: 2032-04-21

Abstract

The utility model discloses a motor disc brake structure on electric bicycle, including rotor wheel hub and disc brake dish, rotor wheel hub includes the axis body, axis body one end is provided with the side end body, the axis body and the side end body be integrated into one piece, and the axis body is hollow structure, protruding tooth one is arranged at even interval of axis body surface; the dish is stopped the dish and is included the disk body of stopping, it is provided with the mount pad to stop disk body center, just the mount pad is hollow structure, hollow structure the mount pad inner wall interval has evenly arranged dogtooth two, dogtooth two with a dogtooth intermeshing closely locks and is used for coming together rotor wheel hub with the dish is stopped a dish fixed connection and is in the same place. The utility model discloses its reasonable in design, simple structure not only, the installation preparation of being convenient for is favorable to its not hard up phenomenon that has avoided causing in the long-time use to take place moreover more, has improved factor of safety during riding greatly, can satisfy more that people pursue the safety demand of riding now.

Description

Motor disc brake structure on electric bicycle

Technical Field

The utility model relates to an electric bicycle auxiliary assembly technical field especially relates to a motor disc structure of stopping on electric bicycle.

Background

Electric bicycles are known to become one of the main transportation tools in cities due to their advantages of low cost, environmental protection, etc. Because the power of the motor of the electric bicycle is gradually increased and the power is continuously enhanced, a new requirement is also put forward on a braking device for ensuring the driving safety. Traditional brake structure can not satisfy the demand of electric bicycle to the braking gradually, therefore partial bicycle has adopted the mode of dish braking to guarantee braking efficiency on the market, nevertheless because the dish is stopped great with traditional brake equipment structural difference, expose in wheel hub's outside after the direct mount, neither do benefit to the use, still seriously influence electric bicycle's aesthetic property, still damage the dish device of stopping when electric bicycle bumps easily simultaneously, therefore it is necessary to do further research and improve to the dish structure of stopping that uses on electric bicycle.

Therefore, an authorized bulletin number CN206068062U which is a disc brake structure applicable to an electric bicycle appears, and belongs to an electric vehicle brake device, the disc brake structure comprises a disc brake fixing seat installed on the side surface of a motor rim, and a disc brake disc is installed on the disc brake fixing seat; the disc brake structure further comprises a disc brake body, one side of the disc brake body is clamped on the edge of the disc brake, the edge of the other side of the disc brake body is provided with a cambered surface matched with the inner wall of the side face of the motor rim, and the disc brake disc in the disc brake device is preferably mounted on the disc brake fixing seat through at least three bolts for convenience in mounting.

But to the mounting means of motor bicycle motor wheel group dish of stopping for screw and bolt locking, its shortcoming can lead to the dish to stop the dish deflection volume big (generally > 0.4 mm) because of the inhomogeneous atress of screw and bolt during the installation, because the not hard up possibility that leads to the dish of stopping of screw and bolt when long-time use like this, finally cause the problem of the potential safety hazard of riding greatly.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough in prior art, the utility model provides an electric bicycle goes up motor disc structure of stopping, its reasonable in design, simple structure not only, the installation preparation of being convenient for is favorable to its not hard up phenomenon that has avoided causing in the long-time use to take place moreover more, has improved factor of safety during riding greatly, can satisfy present people more and pursue the safety demand of riding.

(II) technical scheme to be adopted

In order to realize the purpose, the utility model adopts the technical proposal that:

a disc brake structure of an upper motor of an electric bicycle comprises a rotor hub and a disc brake disc, wherein the rotor hub comprises a shaft body, one end of the shaft body is provided with a side end body, the shaft body and the side end body are integrally formed, the shaft body is of a hollow structure, and first convex teeth are uniformly arranged on the outer surface of the shaft body at intervals; the dish is stopped the dish and is included the disk body of stopping, it is provided with the mount pad to stop disk body center, just the mount pad is hollow structure, hollow structure the mount pad inner wall interval has evenly arranged dogtooth two, dogtooth two with a dogtooth intermeshing closely locks and is used for realizing will rotor wheel hub with the dish is stopped a dish fixed connection and is in the same place.

Preferably, a plurality of first projections are arranged on the outer circumference of the mounting seat, a plurality of second projections are correspondingly arranged on the inner circumference of the brake disc body, and the second projections and the first projections are fixed together through a fixing piece.

Preferably, the fixing piece is a bolt or a rivet.

Preferably, a plurality of the first projections are arranged on the outer circumference of the mounting seat, and a plurality of the second projections are arranged on the inner circumference of the brake disc body along the same direction.

Preferably, six first lugs at uniform intervals are arranged on the outer circumference of the mounting seat, six second lugs at uniform intervals are arranged on the inner circumference of the brake disc body, and each first lug and the corresponding second lug are fixedly connected together through the fixing piece.

Preferably, the locking device further comprises a locking sleeve arranged on the end face of the shaft body, the outer wall of the locking sleeve is in threaded connection with the inner wall of the shaft body, a check ring is arranged on the end face of the locking sleeve, and the check ring and the locking sleeve are integrally formed.

Preferably, still include the motor wheel rim, the motor wheel rim includes the body, it has a mounting groove to open on the body, be provided with the fixing base in the mounting groove, install in the mounting groove the dish disc of stopping, just the fixing base runs through on the rotor wheel hub.

Preferably, the outer diameter of the disc brake disc is smaller than the inner diameter of the mounting groove of the motor rim.

(III) the beneficial effects to be achieved

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model comprises a rotor hub and a disc brake disc, wherein the rotor hub comprises a shaft body, one end of the shaft body is provided with a side end body, the shaft body and the side end body are integrally formed, the shaft body is of a hollow structure, and first convex teeth are uniformly arranged on the outer surface of the shaft body at intervals; the dish is stopped and is coiled including the disk body of stopping, disk body center of stopping is provided with the mount pad, and the mount pad is hollow structure, hollow structure's mount pad inner wall interval has evenly arranged dogtooth two, dogtooth two and the tight locking of dogtooth intermeshing are used for realizing stopping rotor hub and dish and are coiled fixed connection together, reasonable in design, simple structure not only, be convenient for install the preparation, and be favorable to more that it has avoided the not hard up phenomenon that causes in the long-time use to take place, factor of safety during riding has been improved greatly, can satisfy more and people now pursue the safety demand of riding.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Figure 2 shows the utility model

Fig. 3 is the schematic view of the rotor hub structure of the present invention.

Figure 4 is the utility model discloses a dish structure schematic diagram of stopping.

Fig. 5 is a schematic view of the structure of the locking sleeve of the present invention.

Fig. 6 is a schematic view of an embodiment of the present invention.

In the figure: 1, a rotor hub; 2, a disc brake disc; 3, a locking sleeve; 4, motor rims; 11, a shaft body; 12, a side end body; 13, a first convex tooth; 21, braking the disc body; 22, a mounting seat; 23, a second convex tooth; 24, a fixing piece; 31, a stop ring; 41, a body; 42, mounting grooves; 43, a fixed seat; 211, a second bump; 221, a first bump.

Detailed Description

In the description of the present invention, it should be noted that when an element is referred to as being "fixed" or "disposed" to another element, it can be directly on the other element or be indirectly connected to the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

In the description of the present invention, it should be noted that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to which the description refers must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood, however, that the description herein of specific embodiments is for purposes of illustration only and is not intended to limit the scope of the present disclosure. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The first embodiment is as follows: referring to fig. 1, 2, 3 and 4, a disc brake structure of an upper motor of an electric bicycle comprises a rotor hub 1 and a disc brake disc 2, wherein the rotor hub 1 comprises a shaft body 11, one end of the shaft body 11 is provided with a side end body 12, the shaft body 11 and the side end body 12 are integrally formed, so that the firmness strength of the rotor hub 1 is greatly improved, long-time running is facilitated, and the shaft body 11 is of a hollow structure, so that the manufacturing difficulty is facilitated to be reduced, the weight is also facilitated to be reduced, and more importantly, first convex teeth 13 are uniformly arranged on the outer surface of the shaft body 11 at intervals; disc brake disc 2 is including disc 21 of stopping, disc 21 center of stopping is provided with mount pad 22, and mount pad 22 is hollow structure, hollow structure's 22 inner wall intervals of mount pad have evenly arranged two dogteeth 23, two

dogteeth

23 and 13 intermeshing of dogtooth are closely locked, when using the head through installing mount pad 22 on axis body 11, two

dogteeth

23 and 13 intermeshing of dogtooth are closely locked this moment, thereby realize that rotor hub 1 is in the same place with disc brake disc 2 fixed connection. The utility model discloses change the locking mode of screw and bolt among the prior art into two 23 of dogtooth and 13 of dogtooth modes of closely combining to make the dish stop the runout volume of stopping reduce greatly, be favorable to promoting the security problem of use more, secondly its installation is more convenient and simple, the large-scale popularization and the application of being convenient for.

As shown in fig. 4, the utility model discloses well outer circumference of stopping disk body 21 is concavo-convex shape, and the outer circumference of stopping disk body 21 is the wave in this embodiment, and this kind of setting is favorable to stopping disk body 21 resistance at the operation in-process more, and the structure is more novel, can satisfy the user demand more.

Example two: on the basis of the first embodiment, as shown in fig. 4, further, a plurality of first protrusions 221 are disposed on the outer circumference of the mounting seat 22, and correspondingly, a plurality of second protrusions 211 are disposed on the inner circumference of the brake disc body 21, the second protrusions 211 and the first protrusions 221 are fixed together by a fixing member 24, and the fixing member 24 is a bolt or a rivet, so as to facilitate operation and implementation. It should be noted that the first protrusions 221 are disposed on the outer circumference of the mounting seat 22 and the second protrusions 211 are disposed on the inner circumference of the brake disc body 21 along the same direction, which is more favorable for the operation of the disc brake 2 and reducing the resistance in the operation process, and the appearance is novel and meets the use requirement. In this embodiment, six first protrusions 221 are uniformly spaced on the outer circumference of the mounting seat 22, six second protrusions 211 are uniformly spaced on the inner circumference of the brake disc body 21, and each first protrusion 221 and the corresponding second protrusion 211 are fixedly connected together by a bolt or a rivet.

Example three: on the basis of implementing the first or second embodiment, as shown in fig. 5, further, the brake disc brake device further comprises a locking sleeve 3 arranged on the end surface of the shaft body 11, the outer wall of the locking sleeve 3 is in threaded connection with the inner wall of the shaft body 11, the end surface of the locking sleeve 3 is provided with a blocking ring 31, the blocking ring 31 and the locking sleeve 3 are integrally formed, so that the locking sleeve 3 is installed on the hollow structure of the shaft body 11, and the blocking ring 31 is favorable for blocking the disc brake disc 2 from being separated out, so that the disc brake disc 2 is more favorable for being fixed on the shaft body 11 of the rotor hub 1.

Example four: on the basis of implementing the first embodiment or the second embodiment or the third embodiment, as shown in fig. 6, the electric vehicle further includes a motor rim 4, the motor rim 4 includes a body 41, an installation groove 42 is formed on the body 41, a fixing seat 43 is arranged in the installation groove 42, the disc brake disc 2 is installed in the installation groove 42, and the fixing seat 43 penetrates through the rotor hub 1, which is beneficial to implementing the installation of the disc brake disc 2 on the motor rim 4. The thickness of the disc brake disc 2 can be adjusted, specifically, the thickness of the disc brake disc 2 along the axial direction of the motor rim 4 is set to be less than or equal to the depth of the side surface of the motor rim 4, so that the disc brake disc 2 can be conveniently and completely embedded into the side surface of the motor rim 4. Based on the above embodiments, in the present embodiment, the outer diameter of the disc brake disc 2 is smaller than the inner diameter of the mounting groove 42 of the motor rim 4, so that the disc brake disc 2 can be embedded in the mounting groove 42 of the motor rim 2, and thus, the disc brake disc does not need to be exposed outside the wheel hub, and is convenient to use; the whole thickness of adjusting dish 2 of stopping can make the dish stop install back on electric bicycle, and the back of following the wheel basically can not see the dish and stop, has effectively promoted electric bicycle wheel hub structure's wholeness and aesthetic property, is more suitable for and equips the use on small-size electric bicycle.

The standard parts used in the present document are all available from the market, and the specific connection mode of each part adopts conventional means such as bolts, rivets, welding and the like mature in the prior art, and no specific description is given here.

It should be noted that, although the above embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concept of the present invention, the changes and modifications made to the embodiments herein, or the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, are directly or indirectly applied to other related technical fields, and are all included in the protection scope of the present invention.

Claims

1. The utility model provides an electric bicycle goes up motor disc and stops structure, includes rotor wheel hub (1) and disc brake dish (2), its characterized in that: the rotor hub (1) comprises a shaft body (11), one end of the shaft body (11) is provided with a side end body (12), the shaft body (11) and the side end body (12) are integrally formed, the shaft body (11) is of a hollow structure, and first convex teeth (13) are uniformly arranged on the outer surface of the shaft body (11) at intervals; dish (2) of stopping is including the disk body (21) of stopping, it is provided with mount pad (22) to stop disk body (21) center, just mount pad (22) are hollow structure, hollow structure mount pad (22) inner wall interval has evenly arranged two (23) of dogtooth, two (23) of dogtooth with a (13) intermeshing is closely locked and is used for with rotor wheel hub (1) with dish (2) fixed connection is in the same place.

2. The electric motor disc brake structure on electric bicycle of claim 1, characterized in that: the outer circumference of the mounting seat (22) is provided with a plurality of first projections (221), correspondingly, the inner circumference of the brake disc body (21) is provided with a plurality of second projections (211), and the second projections (211) and the first projections (221) are fixed together through a fixing piece (24).

3. The electric motor disc brake structure on electric bicycle of claim 2, characterized in that: the fixing piece (24) adopts a bolt or a rivet.

4. The electric bicycle upper motor disc brake structure of claim 2 or 3, characterized in that: a plurality of first lugs (221) are arranged on the outer circumference of the mounting seat (22) and a plurality of second lugs (211) are arranged on the inner circumference of the brake disc body (21) along the same direction.

5. The electric motor disc brake structure on electric bicycle of claim 4, characterized in that: the brake disc is characterized in that six first lugs (221) with uniform intervals are arranged on the outer circumference of the mounting seat (22), six second lugs (211) with uniform intervals are arranged on the inner circumference of the brake disc body (21), and each first lug (221) and the corresponding second lug (211) are fixedly connected together through the fixing piece (24).

6. The electric disc brake structure on the electric bicycle of claim 1, characterized in that: still including setting up lock sleeve (3) of axis body (11) terminal surface, lock sleeve (3) outer wall with axis body (11) inner wall threaded connection, just lock sleeve (3) terminal surface is provided with and hinders retaining ring (31), hinder retaining ring (31) with lock sleeve (3) are integrated into one piece.

7. The electric motor disc brake structure on electric bicycle of claim 1, characterized in that: still include motor rim (4), motor rim (4) include body (41), it has a mounting groove (42) to open on body (41), be provided with fixing base (43) in mounting groove (42), install in mounting groove (42) the dish of stopping (2), just fixing base (43) run through on rotor wheel hub (1).

8. The electric disc brake structure on the electric bicycle of claim 7, characterized in that: the outer diameter of the disc brake disc (2) is smaller than the inner diameter of the mounting groove (42) of the motor rim (4).