CN114665309A

CN114665309A - Connector, battery pack and electric bicycle

Info

Publication number: CN114665309A
Application number: CN202210484978.4A
Authority: CN
Inventors: 殷振亚; 黄得云
Original assignee: Changzhou Yonganhang Intelligent Manufacturing Co ltd
Current assignee: Changzhou Yonganhang Intelligent Manufacturing Co ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-06-24

Abstract

The invention belongs to the technical field of connecting parts, and particularly relates to a connector, a battery pack and an electric bicycle. The connector of the present invention comprises: including public end and female end, public end includes: a male base; the boss is arranged on the surface of the male base, which faces the female end; the male plug pins are arranged on the surface of the boss facing the female end at intervals; a separation rib is arranged between the adjacent male plug pins; and a protection block is arranged on the outer side of the male plug-in pin positioned on the outermost side. According to the connector, the battery pack and the electric bicycle, the isolation rib and the protection block are arranged, and the male plug pins are provided with independent plugging areas; when the male end and the female end are plugged, each plugging pin of the male end only swings in the corresponding plugging area and cannot move to other areas through the separation effect of the separation rib, and contactless electric connection is realized. Meanwhile, the problems of thinning and abrasion of each insertion needle due to friction and short circuit easily caused by rainwater, dust and the like are prevented under the separation effect of the separation ribs.

Description

Connector, battery pack and electric bicycle

Technical Field

The invention belongs to the technical field of connecting parts, and particularly relates to a connector, a battery pack and an electric bicycle.

Background

Regarding the connecting component, for the traditional connection mode of the male and female terminals, when a user uses an electronic device equipped with the male and female terminals to plug in and plug out, the male terminal and the female terminal are prone to failure, the failure is caused by the male and female short circuit caused by collision and friction when the male terminal and the female terminal are plugged in and plugged out, and the connecting component is often used in an open environment, and the male and female short circuit is also caused by rain drops, dust accumulation and other reasons.

Disclosure of Invention

The invention aims to provide a connector, a battery pack and an electric bicycle, so that the non-contact electric connection of a male end and a female end can be realized in various application scenes.

In order to solve the above technical problem, the present invention provides a connector, comprising a male end and a female end,

the male end comprises:

a male base;

the boss is arranged on the surface of the male base, which faces the female end;

the male plug pins are arranged on the surface of the boss facing the female end at intervals; wherein

A separation rib is arranged between the adjacent male plug pins; and

and a protection block is arranged on the outer side of the male plug-in pin positioned on the outermost side.

Further, the male plug pin is a male signal pin or a male power pin.

Further, the female end includes:

the surface of the female base, which faces the male base, is provided with a containing groove for containing the boss;

a plurality of female plug pins which are in one-to-one correspondence with the male plug pins are arranged at the bottom of the accommodating groove at intervals.

Furthermore, the inserting end of the female inserting needle is provided with a crown spring which is used for being matched with the corresponding male inserting needle.

Further, the periphery of the boss is provided with a sealing ring for expanding a gap between the side wall of the boss and the inner wall of the accommodating groove.

Further, the tank bottom of holding tank still is provided with the wall muscle joint groove that cuts off the muscle one-to-one to and the protection piece joint groove that corresponds with the protection piece one-to-one.

Furthermore, the opening of the accommodating groove is in a waist hole shape, and the shape of the boss is matched with that of the accommodating groove;

the protection block is arc-shaped.

In yet another aspect, the present invention also provides a battery assembly comprising:

a battery compartment and a battery; and

a connector assembly as described above; wherein

One of the male end and the female end is arranged in the battery compartment, and the other end is arranged on the battery.

Further, one of the male end and the female end is installed at the bottom of the battery compartment, and the other one is installed at the bottom of the battery.

In a third aspect, the present invention also provides an electric bicycle, comprising:

a frame;

the battery assembly as described above, which is provided on a vehicle frame.

The connector, the battery pack and the electric bicycle have the advantages that the connector, the battery pack and the electric bicycle are provided with the isolating ribs and the protecting blocks, and the male plug pins are provided with independent plugging areas; when the male end and the female end need to be plugged and unplugged, each plugging pin of the male end only swings in the corresponding plugging area and cannot move to other areas through the separating action of the separating rib, and contactless electric connection is realized. Meanwhile, the problems that each inserting needle of the connector is easy to cause short circuit due to thinning and abrasion caused by friction, rainwater, dust and the like are prevented under the separating action of the separating rib.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a front view of a preferred embodiment 1 of the connector of the present invention;

FIG. 2 is a perspective view of a preferred embodiment 1 of the connector of the present invention;

FIG. 3 is a schematic structural view of a preferred embodiment 1 of the male end of the present invention;

FIG. 4 is a schematic structural view of a preferred embodiment 1 of the female end of the present invention;

FIG. 5 is an exploded view of the preferred embodiment 1 of the connector of the present invention;

FIG. 6 is a schematic structural view of a preferred embodiment 1 of the connector of the present invention;

FIG. 7 is a top view of the preferred embodiment of the male end 1 of the present invention;

FIG. 8 is a bottom view of the preferred embodiment 1 of the female end of the present invention;

fig. 9 is a bottom view of the preferred embodiment 2 of the female end of the present invention.

In the figure:

the male end 1, the male base 11, the boss 12, the male plug pin 13, the male signal pin 131, the male power pin 132, the isolating rib 14, the protection block 15 and the sealing ring 16;

the female end 2, the female base 21, the female plug pin 22, the female signal pin 221, the female power pin 222, the crown spring 23, the signal pin crown spring 231 and the power pin crown spring 232;

the device comprises a male positioning convex key 3, a female positioning convex key 4, a partition rib clamping block 5 and a protection block clamping block 6;

the protective block clamping groove comprises a first insertion groove M, a second insertion groove N, an accommodating groove Q, a partition rib clamping groove I and a protective block clamping groove C;

a first section a1, an intermediate section a2, and a second section a 3.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1 to 6, the connector of the present embodiment includes a male terminal 1 and a female terminal 2, where the male terminal 1 includes: the male base 11, the boss 12, a plurality of male plug pins 13, a plurality of isolating ribs 14 and two protection blocks 15; wherein, the boss 12 is arranged on the surface of the male base 11 facing the female end 2; the male plug pins 13 are arranged on the surface of the boss 12 facing the female end 2 at intervals; each partition rib 14 is respectively arranged between two adjacent male plug pins 13; the protective block 15 is arranged on the outside of the outermost male connector pin 13. The male base 11 is provided with a mounting hole. Through the arrangement of the partition ribs 14 and the protection blocks 15, the male plug pins 13 have independent plug areas; when the male end 1 and the female end 2 need to be plugged, each plugging pin 13 of the male end can only swing in the corresponding plugging area and cannot move to other areas through the separation effect of the separation rib 14, and contactless electric connection is realized. Meanwhile, the problems of thinning and abrasion of each inserting needle 13 of the connector due to friction, short circuit easily caused by rainwater, dust and the like are prevented under the separation action of the separation rib 14.

As shown in fig. 1 to 6, in the present embodiment, specifically, the male plug pin 13 is a male signal pin 131 or a male power pin 132; wherein, each male signal pin 131 is arranged through the male base 11 and the boss 12 at intervals; the number of the male power pins 132 is two, the two male power pins 132 are arranged on the male base 11 and the boss 12 in a penetrating manner, and each male signal pin 131 is located between the two male power pins 132. The two common power pins 132 are one positive and one negative; the plugging ends of the male signal pin 131 and the male power pin 132 are located in a corresponding plugging area. The male base 11 is provided with the partition ribs 14 to partition the boss 14 into a plurality of independent plugging areas, each male signal pin 131 and each male power pin 132 penetrate through the male base 11 and the boss 12, and the plugging ends of each male signal pin 131 and each male power pin 132 are respectively located in one corresponding plugging area; when the male end 1 and the female end 2 need to be plugged and unplugged, each pin of the male end 1 only swings in the corresponding plugging area and cannot move to other areas through the separation effect of the separation rib 14, and contactless electric connection is realized. Meanwhile, the problems of thinning and abrasion of each needle of the connector due to friction, rainwater, dust and the like which easily cause short circuit are prevented under the separation effect of the separation rib.

As shown in fig. 4 to 6, in the present embodiment, specifically, the female end 2 includes: a female base 21 and a plurality of female pins 22; wherein, the surface of the female base 21 facing the male base 11 is provided with a containing groove Q for containing the boss 12; the female pins 22 correspond to the male pins 13 one by one, and the female pins 22 are disposed at the bottom of the accommodating groove Q at intervals. The female plug pin 22 is a female signal pin 221 or a female power pin 222; wherein, each mother signal pin 221 is arranged on the mother base 21 at intervals; the number of the female power pins 222 is two; the two female power pins 222 are arranged on the female base 21 in a penetrating manner, and each female signal pin 221 is located between the two female power pins 222; the female signal pin 221 extends into the corresponding plugging area to be plugged with the male signal pin 131; the female power pins 222 extend into the corresponding mating areas to mate with the male power pins 132. By inserting and pulling each male signal pin 131 and each male power pin 132 into and out of the corresponding female signal pin 221 and the corresponding female power pin 222 in a one-to-one correspondence manner, the signal pins corresponding to the male end 1 and the female end 2 and the power pins corresponding to the male end 1 and the female end 2 are only located in the corresponding insertion areas, and the insertion and pulling of each pin are targeted, and the pins are inserted and pulled only in the specified areas, so that the direct contact with the adjacent signal pins or power pins is avoided, the mutual friction and collision among the pins are effectively avoided, and the problems of short circuit caused by thinning, abrasion and the like caused by friction are prevented.

In this embodiment, as shown in fig. 5 and 6, the plugging end of the female pin 22 is preferably provided with a crown spring 23 for fitting with the corresponding male pin 13. Specifically, the crown spring 23 is a signal needle crown spring 231 or a power supply needle crown spring 232; a signal pin crown spring 231 is sleeved at the inserting end of the female signal pin 221; a power needle crown spring 232 is sleeved at the insertion end of the female power needle 222; the male signal pin 131 is inserted into the signal pin crown spring 231 to be connected with the female signal pin 221; the male power pin 132 is inserted into the power pin crown spring 232 to connect with the female power pin 222; the inner diameter of the middle part of the signal pin crown spring 231 is smaller than the inner diameter of the end part of the signal pin crown spring 231; the inner diameter of the middle part of the power needle crown spring 232 is smaller than the inner diameter of the end part of the power needle crown spring 232. The signal pin crown spring 231 is inserted through the male signal pin 131 to be connected with the female signal pin 221; the male power pin 132 is inserted into the power pin crown spring 232 to connect with the female power pin 222; therefore, the male signal pin 131 is prevented from being directly contacted with the female signal pin 221, and the male power pin 132 is prevented from being directly contacted with the female power pin 222, so that the non-contact point connection of the male plug pin 13 at the male end 1 and the female plug pin 22 at the female end 2 is realized, and the problem that short circuit is easily caused by thinning, abrasion and the like caused by contact friction of the pins is solved; meanwhile, the transition and the buffer function in the middle are used for preventing the pins from being bent due to external force collision.

As shown in fig. 5 and 6, in the present embodiment, it is preferable that a seal ring 16 is provided on the circumferential side of the boss 12 for tightening the gap between the side wall of the boss 12 and the inner wall of the accommodation groove Q. A sealing ring 16 is arranged at the step of the boss 12, and the sealing ring 16 can be but is not limited to a rubber strip; through the expansion effect of the sealing ring 16, when the male end 1 is plugged with the female end 2, the side wall of the boss 12 expands tightly with the inner wall of the accommodating groove Q, so that external rainwater and dust are prevented from invading and polluting the male plugging pin; through the waterproof effect of sealing washer 16, the socket of the public end 1 of effective separation outside rainwater infiltration and the pollution corruption public signal needle 131 and public power needle 132 effectively avoid the problem production of electric leakage short circuit.

As shown in fig. 5, 6 and 8, in the present embodiment, preferably, a blocking rib clamping groove I corresponding to the blocking rib 14 one to one is further provided at the bottom of the accommodating groove Q; and a protection block clamping groove C which corresponds to the protection blocks 15 one by one is also arranged at the bottom of the accommodating groove Q. The lug between the containing groove Q and the two adjacent partition rib clamping grooves I forms a partition rib clamping block 5, and the lug between the containing groove Q and the protection block clamping groove C forms a protection block clamping block 6; cut off muscle joint piece 5 and protection piece joint piece 6 and be less than female base 21 towards the plane of public end 1's place, cut off muscle joint piece 5 and protection piece joint piece 6 and all cave in holding tank Q promptly. This design overcomes the aforementioned three flush planes, thereby avoiding a short circuit between the male 1 and female 2 ends due to dust or rain. Therefore, in the sunken accommodating groove Q designed by the partition rib clamping block 5 and the protection block clamping block 6, the short circuit of the male end and the female end can be avoided. Cut off muscle joint groove I and protection piece joint groove C through setting up in the holding tank Q to separate 14 one-to-one joints of muscle in cutting off muscle joint groove I when making public end 1 and female end 2 peg graft mutually, protection piece 15 one-to-one joint is in protection piece joint groove C, further increases the area of contact of public end 1 and female end 2, thereby promotes the stability of connecting, has also avoided inserting wrong possibility.

As shown in fig. 5, in the present embodiment, preferably, the opening of the receiving groove Q is in a kidney-shaped hole shape, and the shape of the boss 12 is adapted thereto; i.e. the cross-section of the boss 12 is oval. The protection block 15 is in the shape of a circular arc. The radian of protection piece 15 is towards public power needle 132, is convenient for its holding tank Q interference fit with female end 2, improves the stability of connecting. When the male end 1 is inserted into the female end 2, the accommodating groove Q of the female base 21 is in interference fit with the boss 12. Through boss 12 and female base 21's holding tank Q grafting interference fit, prolonged the plug connection region in other words, public end 1 is connected with female end 2 only through each signal needle and power needle, further improves the stability that public end 1 and female end 2 are connected.

As shown in fig. 7 and 8, in the present embodiment, it is preferable that the bottom of the first insertion groove M and the second insertion groove N include a middle section a2, and a first section a1 and a second section a3 connected to both sides of the middle section a 2; wherein, the two public power pins 132 penetrate through the middle section a 2; the number of the male signal pins 131 is four; the middle two public signal pins 131 penetrate through the corresponding first section a1, and the public signal pins 131 on the two sides penetrate through the second section a 3; the number and position of the female signal pins 221 are matched with those of the corresponding male signal pins 131. The four male signal pins 131 and the two male power pins 132 are in a corrugated shape with an up-down fluctuation, are not on the same straight line, the connecting line of the two male power pins 132 is used as a middle alignment line, and the two male signal pins 131 are arranged on the upper and the lower parts of the middle alignment line, so that the upper and the lower parts are uniformly distributed, and the stress is more uniform when the male end 1 and the female end 2 are spliced.

As shown in fig. 1 to 8, in the present embodiment, it is preferable that a male positioning convex key 3 is provided on one side of the male base 11, a female positioning convex key 4 is provided on one side of the female base 21, and the male positioning convex key 3 and the female positioning convex key 4 are not located on the same side of the connector; effectively prevent slow-witted through the mark positioning action of public location convex key 3 and female location convex key 4 to it is more convenient to make public end 1 peg graft with female end 2.

As shown in fig. 1 to 7, in the present embodiment, specifically, a first insertion groove M is formed between two adjacent partition ribs 14 and the surface of the boss 12 facing the female end 2; a second inserting groove N is formed among the protection block 15, the partition rib 14 adjacent to the protection block 15 and the surface of the boss 12 facing the female end 2; the insertion end of each male signal pin 131 penetrates through the boss 12 and is respectively positioned in the corresponding first insertion groove M; the insertion end of each male power pin 132 penetrates through the boss 12 and is located in the corresponding second insertion groove N. First inserting groove M and second inserting groove N are the water leakage groove of U type, when realizing not contacting signal needle and the power needle that corresponds, the water leakage groove is because of its smooth level, and public end 1 can not store up the rainwater when trading the battery, and the dust is also fine clearance.

Example 2

As shown in fig. 9, the present invention provides another alternative embodiment of the partition rib block 5 and the protection block 6.

The difference from example 1 is that:

cut off muscle joint piece 5 and protection piece joint piece 6 and all design for trapezoidal, consequently make cut off muscle joint groove I and also formed oblique sharp joint groove and trapezoidal joint groove, the adaptability is revised to the shape that cuts off muscle 14, and this is corresponding just to avoid public end 1 and female end anti-grafting, has reached better foolproof effect.

Example 3

On the basis of embodiment 1 or embodiment 2, the present embodiment provides a battery module including: a battery compartment, a battery and a connector; wherein, the battery is arranged in the battery compartment; the connector is prepared by adopting the structure as described in the embodiment 1, the male end 1 of the connector is arranged on the battery compartment and can be the bottom, the middle or the upper part of the battery compartment, and the female end 2 of the connector is arranged on the battery; of course, the reverse arrangement is also possible, the male end 1 of the plug being arranged on the battery and the female end 2 of the plug being arranged on the battery compartment.

In the present embodiment, preferably, one of the male end 1 and the female end 2 is installed at the bottom of the battery compartment, and the other is installed at the bottom of the battery. The battery pack is convenient to disassemble and assemble, and has a supporting effect compared with the bottoms of battery bins and batteries at other parts, so that the installation and the insertion of the male end 1 and the female end 2 are facilitated, and the mechanical principle is met.

Example 4

On the basis of embodiment 3, the present embodiment provides an electric bicycle including: a frame and a battery assembly; wherein a battery pack prepared by the structure as described in example 1 or example 2 was mounted on a vehicle frame. Since the electric bicycles are commonly used in the open air, rainwater and dust are the inducing factors causing the short circuit of the plug-in unit. This application adopts unique design's public end 1 and female end 2, boss 12 and holding tank Q interference fit, still expands tightly through sealing washer 16, separates 14 one-to-one joints of disconnected muscle and is cutting off muscle joint inslot I, and protection piece 15 one-to-one joints are in protection piece joint groove C, and the water leakage groove is because of its smooth level, and the rainwater can not store up during the battery changing, and the dust is also fine clearance.

In summary, in the connector, the battery pack and the electric bicycle of the present invention, the breaking ribs and the protection blocks are arranged, and the male pins have independent plugging areas; when the male end and the female end need to be plugged and unplugged, each plugging pin of the male end only swings in the corresponding plugging area and cannot move to other areas through the separating action of the separating rib, and contactless electric connection is realized. Meanwhile, the problems that each inserting needle of the connector is thinned and abraded due to friction and rainwater, dust and the like easily cause short circuit are prevented under the separating effect of the separating rib. The signal pins and the power supply pin and the signal pins are isolated by the isolating ribs and are not in direct contact, so that the problems of thinning and abrasion caused by friction, rainwater, dust and the like which easily cause short circuit are prevented; a water leakage groove formed by the first insertion groove and the second insertion groove is smooth and flat, rainwater cannot be accumulated at a male end when a battery is replaced, and dust is well cleaned; the rubber strip sealing ring on the male end further plays a waterproof role, and the sealing effect of the connector is improved.

The components selected for use in the present application (components not illustrated for specific structures) are all common standard components or components known to those skilled in the art, and the structure and principle thereof can be known to those skilled in the art through technical manuals or through routine experimentation.

In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of devices or units through some communication interfaces, and may be in an electrical, mechanical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present invention may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A connector comprises a male end and a female end, and is characterized in that,

the male end comprises:

a male base;

A separation rib is arranged between the adjacent male plug pins; and

and a protection block is arranged on the outer side of the male plug pin positioned on the outermost side.

2. The connector of claim 1,

the male plug pin is a male signal pin or a male power pin.

3. The connector of claim 1,

the female end includes:

4. The connector of claim 3,

and the inserting end of the female inserting needle is provided with a crown spring which is used for being matched with the corresponding male inserting needle.

5. The connector of claim 3,

the periphery of the boss is provided with a sealing ring for expanding a gap between the side wall of the boss and the inner wall of the accommodating groove.

6. The connector of claim 3,

the tank bottom of holding tank still is provided with the wall muscle joint groove that cuts off the muscle one-to-one to and the protection piece joint groove that corresponds with the protection piece one-to-one.

7. The connector of claim 3,

the opening of the accommodating groove is in a waist hole shape, and the shape of the boss is matched with that of the accommodating groove;

the protection block is arc-shaped.

8. A battery assembly, comprising:

a battery compartment and a battery; and

the connector assembly of any one of claims 1-7; wherein

9. The connector of claim 8,

one of the male end and the female end is arranged at the bottom of the battery compartment, and the other end is arranged at the bottom of the battery.

10. An electric bicycle, characterized by comprising:

a frame;

the battery assembly of claim 8 disposed on a vehicle frame.