WO2020206916A1 - 一种电动车轮毂电机的出线结构 - Google Patents
一种电动车轮毂电机的出线结构 Download PDFInfo
- Publication number
- WO2020206916A1 WO2020206916A1 PCT/CN2019/104114 CN2019104114W WO2020206916A1 WO 2020206916 A1 WO2020206916 A1 WO 2020206916A1 CN 2019104114 W CN2019104114 W CN 2019104114W WO 2020206916 A1 WO2020206916 A1 WO 2020206916A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sealing
- shaft sleeve
- hub motor
- outlet structure
- fixing groove
- Prior art date
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Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K3/00—Details of windings
- H02K3/46—Fastening of windings on the stator or rotor structure
- H02K3/50—Fastening of winding heads, equalising connectors, or connections thereto
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/10—Casings or enclosures characterised by the shape, form or construction thereof with arrangements for protection from ingress, e.g. water or fingers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
Definitions
- the invention belongs to the technical field of in-wheel motors, and relates to an outlet structure of an electric in-wheel motor.
- the electric wheel hub motor is the power output component of the electric vehicle. Most of the existing electric wheel hub motor outlet structures are drilled on the motor shaft, and the lead wires are drawn from the motor shaft holes. This outlet structure not only reduces the strength of the motor shaft, but also And limited by the size of the shaft hole, the cross-sectional area of the lead wire is greatly limited.
- the motor phase lead wire passes through the phase wire lead hole, and the Hall signal lead wire passes through the Hall signal lead hole, but the motor phase lead wire and the inner side wall of the phase wire lead hole are different There is a gap between the Hall signal lead-out line and the inner side wall of the Hall signal lead-out hole, which makes it easy for external water, sludge, dust, etc. to enter the motor through the gap and cause damage to the motor.
- the purpose of the present invention is to solve the above-mentioned problems in the prior art and propose a cable outlet structure of an electric wheel hub motor.
- the technical problem to be solved is how to improve the sealing effect so that the motor is not easily damaged.
- an electric wheel hub motor outlet structure including a sleeve sleeved outside the output shaft of the hub motor, characterized in that one end of the sleeve has a concave set
- the first fixing groove, the groove bottom of the first fixing groove has a plurality of positioning holes penetrating the other end of the shaft sleeve
- the outlet structure further includes a sealing plug made of elastic material, one end of the sealing plug has a plurality of The protruding sealing bosses are arranged along the axial direction of the shaft sleeve.
- the sealing plug has several wire passing channels for the lead wires to pass through, and each of the wire passing channels passes through the corresponding sealing bosses.
- the sealing plug is sealingly embedded and fixed in the first fixing groove, and the sealing protrusion is sealingly embedded and fixed in the corresponding positioning hole.
- the lead wire passes through the cable passage, the sealing plug is made of elastic material, the inner side wall of the sealing plug is sealed and attached to the lead wire, the outer side wall of the sealing plug is sealed and attached to the inner side wall of the first fixing groove, and the sealing plug rises To seal; the sealing boss is sealed and embedded in the corresponding positioning hole.
- the sealing boss plays a sealing role. The double sealing of the sealing plug and the sealing boss improves the sealing effect, so that the external water, sludge, Dust, etc. will not enter the motor, so that the motor is not easily damaged.
- the sealing convex post can be matched with the positioning hole to locate the position of the sealing plug while improving the installation firmness of the sealing plug, and the sealing convex post is embedded in the corresponding positioning hole to ensure that the adjacent lead wires are kept at an appropriate distance.
- the arrangement of the lead wires is reasonable.
- the sealing plug and the sealing boss are arranged so that the lead wires will not contact the shaft sleeve. The sealing plug and the sealing boss protect the lead wires, so that the lead wires are not easily damaged and the motor Not easy to damage.
- the sleeve further has a second fixing groove capable of injecting waterproof glue, and the second fixing groove is located at the other end of the sleeve relative to the first fixing groove,
- the positioning hole communicates with the first fixing groove and the second fixing groove, and each of the sealing protrusions is partially located in the second fixing groove.
- the lead-out part is located in the second fixing groove.
- the second fixing groove is provided for the injection of waterproof glue.
- each sealing boss is partly located in the second fixing groove, that is, the sealing boss is in direct contact with the waterproof glue. The firmness of the installation of the sealing boss and the sealing plug can be improved.
- the first fixing groove and the second fixing groove have the same shape, and the first fixing groove and the second fixing groove are symmetrically arranged on both sides of the positioning hole.
- This structure facilitates the layout of the lead wires, and at the same time makes this part of the shaft sleeve bear the same force, and the shaft sleeve is not easily damaged, so that the motor is not easily damaged.
- the cross section of the first fixing groove is arc-shaped, and the shaft sleeve has a through hole for the output shaft of the hub motor to pass through.
- the groove wall on the outer side of the first fixing groove is arranged along the circumferential outer side wall of the shaft sleeve, and the groove wall on the inner side of the first fixing groove is arranged along the inner side wall of the through hole.
- the wiring structure further includes a pressure plate, the pressure plate has a plurality of through-holes, and the wiring holes and the wiring channels are arranged in a one-to-one correspondence, so
- the pressure plate is fixedly connected with the shaft sleeve, and the pressure plate can press the sealing plug in the first fixing groove.
- the setting of the pressure plate prevents the sealing plug from falling off the first fixing groove.
- the pressure plate improves the installation firmness of the sealing plug and improves the sealing effect, so that external water, sludge, dust, etc. will not enter the interior of the motor, making the motor difficult damage.
- the sleeve is provided with a pair of fixing holes, and the pair of fixing holes are respectively located at two ends of the first fixing groove and pass through the pressure plate through the first fastener. And pass through the fixing hole to make the pressure plate and the shaft sleeve solidly connected. Convenient connection and assembly.
- the sealing plug and the sealing protrusion are both made of rubber material or silicone material, and the sealing plug and the sealing protrusion are an integral structure.
- the integrated structure is easy to process and has good stability.
- the shaft sleeve is provided with a through vent hole, and the vent hole is equipped with an air nozzle or a waterproof breathable valve.
- the setting of the air vent balances the air pressure inside and outside the in-wheel motor to avoid the inhalation of water vapor when the in-wheel motor is cooling; the setting of the air nozzle or the waterproof breather valve further avoids the inhalation of water vapor when the in-wheel motor is cooled, making the in-wheel motor not easily damaged.
- the outlet structure of the electric wheel hub motor provided by the present invention has the following advantages:
- a sealing plug and a sealing boss made of elastic material are arranged between the lead wire and the shaft sleeve to improve the sealing effect, so that external water, sludge, dust, etc. will not enter the inside of the motor, making the motor difficult damage.
- a sealing plug and a sealing boss made of elastic material are arranged between the lead wire and the shaft sleeve, and waterproof glue is injected into the second fixing groove.
- the above structures all position and protect the position of the lead wire.
- the role of the lead wire is to ensure that the adjacent lead wires are kept at an appropriate distance, so that the lead wire is not easily damaged, so that the motor is not easily damaged.
- Figure 1 It is an exploded view of the outlet structure of the electric wheel hub motor.
- Figure 2 It is a schematic diagram of the overall structure of the outlet structure of the electric wheel hub motor.
- Figure 3 It is a schematic diagram of the overall structure of the hub motor outlet structure bushing.
- Figure 4 It is the second schematic diagram of the overall structure of the shaft sleeve of the outlet structure of the in-wheel motor.
- the electric wheel hub motor includes the hub motor output shaft 1 , Hub motor output shaft 1 Sleeve 2 , Outlet structure includes sealing plug 3 , Sealing boss 4 And pressure plate 5 .
- bushing 2 One end has a recessed first fixing groove twenty one , Bushing 2 The other end has a recessed second fixing groove twenty three , In this embodiment, the first fixing groove twenty one The bottom of the groove has five through to the second fixed groove twenty three Positioning hole twenty two , In actual production, positioning holes twenty two The number can be three or seven. Positioning hole twenty two Connect to the first fixed groove twenty one And the second fixing slot twenty three , The first fixing slot twenty one And the second fixing slot twenty three The same shape, the first fixing groove twenty one And the second fixing slot twenty three Symmetrically set in the positioning hole twenty two On both sides.
- Shaft sleeve 2 There is a hub motor output shaft 1 Through hole twenty four , Along the shaft sleeve 2 Radial direction, the first fixing groove twenty one And the second fixing slot twenty three The cross-sections are arc-shaped, the first fixing groove twenty one And the second fixing slot twenty three The groove wall on the outside runs along the sleeve 2 The circumference is arranged on the outer side wall, and the first fixing groove twenty one And the second fixing slot twenty three The groove wall on the inner side follows the through hole twenty four The inner wall is set.
- Sealing plug 3 And sealing boss 4 All made of elastic material, sealing plug 3 And sealing boss 4 One-piece structure, sealing plug 3 And sealing boss 4 One-time molding by injection molding.
- the sealing plug 3 And sealing boss 4 All are made of rubber materials.
- the sealing plug 3 And sealing boss 4 Both can be made of silicone material.
- Sealing plug 3 The cross section is arc, the sealing plug 3 With the first fixing slot twenty one The shape and structure match, the sealing plug 3 One end has a protruding sealing boss 4 , Along the shaft sleeve 2 Axial, sealing plug 3 There is a cable passage for the lead wire to pass through 31 , Each passing channel 31 Pass through the corresponding sealing boss 4 , Pressure plate 5 There is a through hole 51 , Sealing boss 4 , Positioning hole twenty two , Cable channel 31 And via 51 One-to-one correspondence, that is, in this embodiment, the sealing protrusion 4 , Cable channel 31 And via 51 The number is five. In actual production, the sealing boss 4 , Cable channel 31 And via 51 The number can be three or seven.
- sealing bosses 4 There is a gap between, sealing plug 3 Sealed and embedded in the first fixing groove twenty one Middle and sealed convex post 4 Sealed and embedded in the corresponding positioning hole twenty two Medium, sealing plug 3 Leaning against the first fixing groove twenty one Groove bottom, each sealing boss 4 All part Located in the second fixing slot twenty three in.
- this article mostly uses the hub motor output shaft 1 , the shaft sleeve 2 , the first fixing groove 21 , the positioning hole 22 , the second fixing groove 23 , the through hole 24 , the fixing hole 25 , the fastening hole 26 , the vent 27 , Terms such as the sealing plug 3 , the cable passage 31 , the sealing boss 4 , the pressure plate 5 , the cable hole 51 , the first fastener 6 , the second fastener 7 , and the gas nozzle 8 , but the use of other terms is not excluded possibility. These terms are used only to describe and explain the essence of the present invention more conveniently; to interpret them as any additional limitation is contrary to the spirit of the present invention.
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Motor Or Generator Frames (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
本发明提供了一种电动车轮毂电机的出线结构，属于轮毂电机技术领域。它解决了现有电动车轮毂电机的出线结构密封效果差的问题。本电动车轮毂电机的出线结构包括套设在轮毂电机输出轴外的轴套，轴套的一端具有凹入设置的第一固定槽，第一固定槽的槽底具有若干个贯穿轴套另一端的定位孔，出线结构还包括由弹性材料制成的密封塞，密封塞的一端具有若干个凸出设置的密封凸柱，沿轴套的轴向，密封塞中具有若干个供引出线穿过的过线通道，每个过线通道均穿过对应的密封凸柱，密封塞密封嵌入固连在第一固定槽中且密封凸柱密封嵌入固连在对应的定位孔中。本电动车轮毂电机的出线结构具有提高密封效果，使电机不易损坏的优点。
Description
本发明属于轮毂电机技术领域，涉及一种电动车轮毂电机的出线结构。
电动车轮毂电机是电动车的动力输出部件，现有电动车轮毂电机出线结构多数采用在电机轴上钻孔，引出线从电机轴孔中引出，这种出线结构不但降低了电机轴的强度，而且受轴孔大小限制，引出线截面积受到很大局限。
针对以上存在的问题，人们做出各式各样的改进，有的还申请了专利，例如中国专利文献资料公开的电动车无刷电机引出线出线装置
[
申请号：
201120013161.6
；授权公告号：
CN201937429U]
，其包括电机轴、轴承、电机壳体和端盖，电机壳体外有相连的轮毂，电机壳体内安装定子和转子，电机轴外壁套设短轴套，短轴套中制有相线出线孔和霍尔信号出线孔，电机相线引出线穿过相线出线孔，霍尔信号引出线穿过霍尔信号出线孔。
该种结构的电动车无刷电机，电机相线引出线穿过相线出线孔，霍尔信号引出线穿过霍尔信号出线孔，但电机相线引出线与相线出线孔的内侧壁之间具有间隙，霍尔信号引出线与霍尔信号出线孔的内侧壁之间具有间隙，这就使外界的水、污泥、粉尘等容易通过该间隙进入到电机内部，导致电机损坏。
本发明的目的是针对现有技术中存在的上述问题，提出了一种电动车轮毂电机的出线结构，解决的技术问题是如何提高密封效果，使电机不易损坏。
本发明的目的可通过下列技术方案来实现：一种电动车轮毂电机的出线结构，包括套设在轮毂电机输出轴外的轴套，其特征在于，所述轴套的一端具有凹入设置的第一固定槽，所述第一固定槽的槽底具有若干个贯穿轴套另一端的定位孔，所述出线结构还包括由弹性材料制成的密封塞，所述密封塞的一端具有若干个凸出设置的密封凸柱，沿轴套的轴向，所述密封塞中具有若干个供引出线穿过的过线通道，每个所述过线通道均穿过对应的密封凸柱，所述密封塞密封嵌入固连在第一固定槽中且所述密封凸柱密封嵌入固连在对应的定位孔中。
引出线穿过过线通道，密封塞是由弹性材料制成的，密封塞的内侧壁与引出线密封贴合，密封塞的外侧壁与第一固定槽的内侧壁密封贴合，密封塞起到密封的作用；密封凸柱密封嵌入固连在对应的定位孔中，密封凸柱起到密封的作用，密封塞和密封凸柱的双重密封，提高密封效果，使外界的水、污泥、粉尘等不会进入到电机内部，使电机不易损坏。密封凸柱配合定位孔可以对密封塞的位置进行定位的同时可以提高密封塞的安装牢固程度，而且密封凸柱嵌入到对应的定位孔中确保相邻的引出线之间保持在适当的间距，使引出线布置合理，同时密封塞和密封凸柱的设置使引出线不会与轴套发生接触，密封塞和密封凸柱对引出线起到保护的作用，使引出线不易损坏，从而使电机不易损坏。
在上述的一种电动车轮毂电机的出线结构中，相邻的两个密封凸柱之间具有间隙，当密封凸柱密封嵌入固连在对应的定位孔中时，所述密封塞抵靠在第一固定槽的槽底。该种结构，可以提高密封塞的安装牢固程度，而且该种结构，可以使密封塞能更好的抵靠在第一固定槽的槽底，提高密封面积，从而提高密封效果，使外界的水、污泥、粉尘等不会进入到电机内部，使电机不易损坏。
在上述的一种电动车轮毂电机的出线结构中，所述轴套上还具有能注入防水胶的第二固定槽，所述第二固定槽相对于第一固定槽位于轴套的另一端，所述定位孔连通第一固定槽和第二固定槽，每个所述密封凸柱均部分位于第二固定槽中。引出线部分位于第二固定槽中，第二固定槽的设置供防水胶注入，防水胶注入后可以提高本出线结构的密封防水效果，从而使电机不易损坏；而且防水胶的注入可以使引出线定位，使引出线不会与轴套发生接触，引出线不易损坏，从而使电机不易损坏；每个密封凸柱均部分位于第二固定槽中，即密封凸柱与防水胶直接接触，防水胶可以提高密封凸柱和密封塞安装的牢固程度。
在上述的一种电动车轮毂电机的出线结构中，所述第一固定槽和第二固定槽的形状相同，所述第一固定槽和第二固定槽对称的设置在定位孔的两侧。该种结构，使引出线布置方便，同时使轴套该部分受力相同，轴套不易损坏，从而使电机不易损坏。
在上述的一种电动车轮毂电机的出线结构中，沿轴套的径向，所述第一固定槽的横截面呈弧形，所述轴套中具有供轮毂电机输出轴穿过的通孔，所述第一固定槽位于外侧的槽壁沿着轴套的周向外侧壁设置，所述第一固定槽位于内侧的槽壁沿着通孔的内侧壁设置。合理利用空间，布置合理。
在上述的一种电动车轮毂电机的出线结构中，所述出线结构还包括压板，所述压板上具有若干个贯穿的过线孔，所述过线孔与过线通道一一对应设置，所述压板与轴套相固连且所述压板能将密封塞压紧在第一固定槽中。压板的设置使密封塞不会从第一固定槽中脱落，压板提高密封塞的安装牢固程度，提高密封效果，使外界的水、污泥、粉尘等不会进入到电机内部，从而使电机不易损坏。
在上述的一种电动车轮毂电机的出线结构中，所述轴套上具有一对固定孔，一对所述固定孔分别位于第一固定槽的两端，通过第一紧固件穿过压板并穿设在固定孔中使压板与轴套相固连。固连方便，组装方便。
在上述的一种电动车轮毂电机的出线结构中，所述密封塞和密封凸柱均由橡胶材料或者硅胶材料制成，所述密封塞和密封凸柱为一体式结构。一体式结构加工方便，稳定性好。
在上述的一种电动车轮毂电机的出线结构中，沿轴套的径向，所述轴套中设有供第二紧固件穿过的紧固孔，所述第二紧固件的内端能抵靠在轮毂电机输出轴上。该种结构，防止轮毂电机输出轴与轴套出现打滑的问题，降低轮毂电机的故障率。
在上述的一种电动车轮毂电机的出线结构中，沿轴套的轴向，所述轴套中设有贯穿的通气孔，所述通气孔上装有气嘴或者防水透气阀。通气孔的设置平衡轮毂电机的内部与外界的气压，避免轮毂电机冷却时吸入水汽；气嘴或者防水透气阀的设置进一步避免轮毂电机冷却时吸入水汽，使轮毂电机不易损坏。
与现有技术相比，本发明提供的电动车轮毂电机的出线结构具有以下优点：
本出线结构通过在引出线和轴套之间设置由弹性材料制成的密封塞和密封凸柱，提高密封效果，使外界的水、污泥、粉尘等不会进入到电机内部，使电机不易损坏。
本出线结构通过在引出线和轴套之间设置由弹性材料制成密封塞和密封凸柱、以及在第二固定槽中注入防水胶，以上结构均对引出线的位置进行定位且起到保护引出线的作用，确保相邻的引出线之间保持在适当的间距，使引出线不易损坏，从而使电机不易损坏。
图
1
是本电动车轮毂电机出线结构的爆炸图。
图
2
是本电动车轮毂电机出线结构的整体结构示意图。
图
3
是本轮毂电机出线结构轴套的整体结构示意图一。
图
4
是本轮毂电机出线结构轴套的整体结构示意图二。
图中，
1
、轮毂电机输出轴；
2
、轴套；
21
、第一固定槽；
22
、定位孔；
23
、第二固定槽；
24
、通孔；
25
、固定孔；
26
、紧固孔；
27
、通气孔；
3
、密封塞；
31
、过线通道；
4
、密封凸柱；
5
、压板；
51
、过线孔；
6
、第一紧固件；
7
、第二紧固件；
8
、气嘴。
以下是本发明的具体实施例并结合附图，对本发明的技术方案作进一步的描述，但本发明并不限于这些实施例。
如图
1
、图
2
所示，电动车轮毂电机包括轮毂电机输出轴
1
，轮毂电机输出轴
1
外套设有轴套
2
，出线结构包括密封塞
3
、密封凸柱
4
和压板
5
。
如图
3
、图
4
所示，轴套
2
的一端具有凹入设置的第一固定槽
21
，轴套
2
的另一端具有凹入设置的第二固定槽
23
，本实施例中，第一固定槽
21
的槽底具有五个贯穿至第二固定槽
23
的定位孔
22
，在实际生产中，定位孔
22
的数量可以为三个或者七个。定位孔
22
连通第一固定槽
21
和第二固定槽
23
，第一固定槽
21
和第二固定槽
23
的形状相同，第一固定槽
21
和第二固定槽
23
对称的设置在定位孔
22
的两侧。轴套
2
中具有供轮毂电机输出轴
1
穿过的通孔
24
，沿轴套
2
的径向，第一固定槽
21
和第二固定槽
23
的横截面均呈弧形，第一固定槽
21
和第二固定槽
23
位于外侧的槽壁沿着轴套
2
的周向外侧壁设置，第一固定槽
21
和第二固定槽
23
位于内侧的槽壁沿着通孔
24
的内侧壁设置。
密封塞
3
和密封凸柱
4
均由弹性材料制成，密封塞
3
和密封凸柱
4
为一体式结构，密封塞
3
和密封凸柱
4
通过注塑一次成型。本实施例中，密封塞
3
和密封凸柱
4
均由橡胶材料，在实际生产中，密封塞
3
和密封凸柱
4
可以均由硅胶材料制成。密封塞
3
的横截面呈弧形，密封塞
3
与第一固定槽
21
的形状和结构相匹配，密封塞
3
的一端具有凸出设置的密封凸柱
4
，沿轴套
2
的轴向，密封塞
3
中具有供引出线穿过的过线通道
31
，每个过线通道
31
均穿过对应的密封凸柱
4
，压板
5
上具有贯穿的过线孔
51
，密封凸柱
4
、定位孔
22
、过线通道
31
和过线孔
51
一一对应设置，即本实施例中，密封凸柱
4
、过线通道
31
和过线孔
51
的数量均为五个，在实际生产中，密封凸柱
4
、过线通道
31
和过线孔
51
的数量可以均为三个或者七个。
相邻的两个密封凸柱
4
之间具有间隙，密封塞
3
密封嵌入固连在第一固定槽
21
中且密封凸柱
4
密封嵌入固连在对应的定位孔
22
中，密封塞
3
抵靠在第一固定槽
21
的槽底，每个密封凸柱
4
均部分
位于第二固定槽
23
中。
轴套
2
上具有一对固定孔
25
，一对固定孔
25
分别位于第一固定槽
21
的两端，通过第一紧固件
6
如螺栓或者螺钉穿过压板
5
并穿设在固定孔
25
中使压板
5
与轴套
2
相固连，压板
5
与轴套
2
相固连且压板
5
能将密封塞
3
压紧在第一固定槽
21
中。
沿轴套
2
的径向，轴套
2
中设有供第二紧固件
7
如螺栓和螺钉穿过的紧固孔
26
，第二紧固件
7
的内端能抵靠在轮毂电机输出轴
1
上。沿轴套
2
的轴向，轴套
2
中设有贯穿的通气孔
27
，本实施例中，通气孔
27
上装有气嘴
8
，在实际生产中，通气孔
27
上可以装有防水透气阀。
组装时，将引出线穿过第二固定槽
23
、定位孔
22
、第一固定槽
21
、过线通道
31
和过线孔
51
，然后将密封凸柱
4
嵌入到对应的定位孔
22
中，密封塞
3
嵌入到第一固定槽
21
中，密封凸柱
4
和密封塞
3
均与轴套
2
紧密配合连接，通过第二紧固件
7
将压板
5
与轴套
2
相固连，调整引出线的位置，然后朝第二固定槽
23
中注入防水胶即可。
本文中所描述的具体实施例仅仅是对本发明精神作举例说明。本发明所属技术领域的技术人员可以对所描述的具体实施例做各种各样的修改或补充或采用类似的方式替代，但并不会偏离本发明的精神或者超越所附权利要求书所定义的范围。
尽管本文较多地使用了轮毂电机输出轴 1 、轴套 2 、第一固定槽 21 、定位孔 22 、第二固定槽 23 、通孔 24 、固定孔 25 、紧固孔 26 、通气孔 27 、密封塞 3 、过线通道 31 、密封凸柱 4 、压板 5 、过线孔 51 、第一紧固件 6 、第二紧固件 7 、气嘴 8 等术语，但并不排除使用其它术语的可能性。使用这些术语仅仅是为了更方便地描述和解释本发明的本质；把它们解释成任何一种附加的限制都是与本发明精神相违背的。
Claims (9)
- 一种电动车轮毂电机的出线结构，包括套设在轮毂电机输出轴（1）外的轴套（2），其特征在于，所述轴套（2）的一端具有凹入设置的第一固定槽（21），所述第一固定槽（21）的槽底具有若干个贯穿轴套（2）另一端的定位孔（22），所述出线结构还包括由弹性材料制成的密封塞（3），所述密封塞（3）的一端具有若干个凸出设置的密封凸柱（4），沿轴套（2）的轴向，所述密封塞（3）中具有若干个供引出线穿过的过线通道（31），每个所述过线通道（31）均穿过对应的密封凸柱（4），所述密封塞（3）密封嵌入固连在第一固定槽（21）中且所述密封凸柱（4）密封嵌入固连在对应的定位孔（22）中。
- 根据权利要求1 所述的一种电动车轮毂电机的出线结构，其特征在于，相邻的两个密封凸柱（4）之间具有间隙，当密封凸柱（4）密封嵌入固连在对应的定位孔（22）中时，所述密封塞（3）抵靠在第一固定槽（21）的槽底。
- 根据权利要求1 或2 所述的一种电动车轮毂电机的出线结构，其特征在于，所述轴套（2）上还具有能注入防水胶的第二固定槽（23），所述第二固定槽（23）相对于第一固定槽（21）位于轴套（2）的另一端，所述定位孔（22）连通第一固定槽（21）和第二固定槽（23），每个所述密封凸柱（4）均部分位于第二固定槽（23）中。
- 根据权利要求1 或2 所述的一种电动车轮毂电机的出线结构，其特征在于，沿轴套（2）的径向，所述第一固定槽（21）的横截面呈弧形，所述轴套（2）中具有供轮毂电机输出轴（1）穿过的通孔（24），所述第一固定槽（21）位于外侧的槽壁沿着轴套（2）的周向外侧壁设置，所述第一固定槽（21）位于内侧的槽壁沿着通孔（24）的内侧壁设置。
- 根据权利要求1 或2 所述的一种电动车轮毂电机的出线结构，其特征在于，所述出线结构还包括压板（5），所述压板（5）上具有若干个贯穿的过线孔（51），所述过线孔（51）与过线通道（31）一一对应设置，所述压板（5）与轴套（2）相固连且所述压板（5）能将密封塞（3）压紧在第一固定槽（21）中。
- 根据权利要求5 所述的一种电动车轮毂电机的出线结构，其特征在于，所述轴套（2）上具有一对固定孔（25），通过第一紧固件（6）穿过压板（5）并穿设在固定孔（25）中使压板（5）与轴套（2）相固连。
- 根据权利要求1 或2 所述的一种电动车轮毂电机的出线结构，其特征在于，所述密封塞（3）和密封凸柱（4）均由橡胶材料或者硅胶材料制成，所述密封塞（3）和密封凸柱（4）为一体式结构。
- 根据权利要求1 或2 所述的一种电动车轮毂电机的出线结构，其特征在于，沿轴套（2）的径向，所述轴套（2）中设有供第二紧固件（7）穿过的紧固孔（26），所述第二紧固件（7）的内端能抵靠在轮毂电机输出轴（1）上。
- 根据权利要求1 或2 所述的一种电动车轮毂电机的出线结构，其特征在于，沿轴套（2）的轴向，所述轴套（2）中设有贯穿的通气孔（27），所述通气孔（27）上装有气嘴（8）或者防水透气阀。
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