WO2021128172A1 - Linear motor - Google Patents
Linear motor Download PDFInfo
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- WO2021128172A1 WO2021128172A1 PCT/CN2019/128736 CN2019128736W WO2021128172A1 WO 2021128172 A1 WO2021128172 A1 WO 2021128172A1 CN 2019128736 W CN2019128736 W CN 2019128736W WO 2021128172 A1 WO2021128172 A1 WO 2021128172A1
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- iron core
- linear motor
- housing
- main body
- motor according
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K33/00—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system
- H02K33/18—Motors with reciprocating, oscillating or vibrating magnet, armature or coil system with coil systems moving upon intermittent or reversed energisation thereof by interaction with a fixed field system, e.g. permanent magnets
Definitions
- the utility model relates to the technical field of motors, and relates to a linear motor.
- Linear motor is a transmission device that directly converts electrical energy into linear motion mechanical energy without any intermediate conversion mechanism.
- linear motors with solenoid magnetic circuit structures on the market generally use iron cores to be directly riveted with copper sheets.
- the purpose of the utility model is to provide a linear motor to improve the assembly reliability of the iron core and the copper sheet.
- a linear motor of the present invention includes a housing with a housing space, a stator and a vibrator contained in the housing space, the stator is fixedly connected to the housing, and the vibrator is connected to the housing through an elastic member.
- the stator includes a fixing member fixed to the housing, an iron core riveted to the fixing member, and a coil provided on the periphery of the iron core
- the vibrator includes a magnetic circuit system and a mass, so The iron core is provided with a stepped limiting structure, and the iron core is riveted with the fixing member through the limiting structure.
- the iron core includes a main body part and a limiting part, the limiting part is located at both ends of the main body part, and the cross-section of the limiting part is the same as the cross-sectional shape of the main body part.
- the cross-sectional area of the limiting portion is smaller than the cross-sectional area of the main body, forming the limiting structure.
- the main body part has a quadrangular prism structure, and the cross section of the main body part is rectangular.
- edges of the iron core are all rounded structures.
- the axis of the main body part is the same as the axis of the limiting part.
- the fixing member is a copper sheet.
- the iron core is arranged between the two fixing parts, and the limiting part extends into the fixing part.
- the through hole is connected with the fixing part, and the edge of the main body part close to the limiting part is close to the fixing part.
- the number of the coil and the iron core are both two, and the two iron cores are both riveted to the fixing member through the limiting structure.
- the housing includes an upper cover and a lower cover forming the receiving space, and both the upper cover and the lower cover are provided with a card slot, and the fixing member is connected to the card slot Riveted.
- the mass block is provided with a cavity located in the center, the magnetic circuit system is arranged in the cavity and fixed to the inner wall of the cavity, and the magnetic circuit system includes an opposite arrangement
- the two sets of magnetic components are arranged on opposite sides of the inner wall, and the stator is located between the two sets of magnetic components.
- the utility model is simple to assemble, firm and reliable.
- the linear motor adds a step-like limit structure through the two ends of the iron core, and the copper sheet is riveted while providing the axial limit of the iron core to make it
- the riveting with the copper sheet is more reliable, and the structural feature of the limit structure makes the assembly easier.
- Figure 1 is a perspective view of the overall structure of Figure 1 of the utility model
- Figure 2 is a cross-sectional view of the utility model along the long axis of Figure 1;
- Figure 3 is a schematic structural view of the utility model with the upper cover removed from Figure 1;
- Figure 4 is a cross-sectional view of the utility model showing the iron core structure cut along the short axis in Figure 1;
- Figure 5 is a cross-sectional view of the utility model showing the iron core structure cut along the thickness direction in Figure 1;
- Fig. 6 is a schematic diagram of the iron core structure of the present invention.
- a linear motor includes a housing 1 with a housing space, a stator 4 and a vibrator 3 received in the housing space, and the stator 4 is fixedly connected to the housing 1, so The vibrator 3 is elastically connected to the housing 1 through an elastic member 2.
- the housing 1 includes an upper cover 5 and a lower cover 6 forming the receiving space, and both the upper cover 5 and the lower cover 6 are provided with There is a card slot, and a fixing member 41 is riveted to the card slot.
- the stator 4 includes a fixing member 41 fixed to the housing 1 and a coil assembly 42.
- the coil assembly 42 includes an iron core 422 riveted to the fixing member 41 and a coil 421 provided on the periphery of the iron core 422.
- the iron core 422 is provided with a step-shaped limiting structure, and the iron core 422 is riveted to the fixing member 41 through the limiting structure. While riveting with the fixing member 41, an axial limit of the iron core 422 is provided, so that it can be riveted with the fixing member 41 more firmly, and the structural feature of the limit structure makes the assembly easier.
- the core 422 includes a main body portion 4221 and a limiting portion 4222. The limiting portion 4222 is located at both ends of the main body portion 4221.
- the limiting portion 4222 has the same cross-section as the main portion 4221 and has the same shape.
- the cross-sectional area of the limiting portion 4222 is smaller than the cross-sectional area of the main body portion 4221 to form the limiting structure.
- the main body portion 4221 has a quadrangular prism structure, the cross-section of the main body portion 4221 is rectangular, the edges of the iron core 422 are rounded, and the axis of the main portion 4221 and the axis of the limiting portion 4222
- the limiting structure is a stepped structure formed by the different cross sections of the edge of the main body portion 4221 and the limiting portion 4222, and the limiting portion 4222 extends into the groove of the fixing member 41 to be interference-connected with the fixing member 41, The edge of the main body portion 4221 is close to the inner wall of the fixing member 41.
- the fixing member 41 is a copper sheet.
- the iron core 422 is arranged between the two fixing members 41, and the limiting portion 4222 It extends into the through hole of the fixing member 41 and is connected to the fixing member 41, and the edge of the main body portion 4221 close to the limiting portion 4222 is close to the fixing member 41.
- the vibrator 3 includes a magnetic circuit system 32 and a mass block 31, the mass block 31 is provided with a cavity in the center, and the magnetic circuit system 32 is arranged in the cavity and fixed to the inner wall of the cavity,
- the magnetic circuit system 32 includes two sets of oppositely arranged magnetic parts, the two sets of the magnetic parts are arranged on opposite sides of the inner wall, the stator 4 is located between the two sets of the magnetic parts, and each set of the magnetic parts
- the components include a main magnet 321, an auxiliary magnet 322 and a pole core 323.
- the main magnet 321 has three and the auxiliary magnet 322 has two.
- the three main magnets 321 are arranged in parallel and the two auxiliary magnets 322 are arranged in parallel. Interspersed between the magnets 321, the pole core 323 surrounds the outer sides of the main magnet 321 and the auxiliary magnet 322, and the position of the auxiliary magnet 322 corresponds to the position of the iron core 422.
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- Engineering & Computer Science (AREA)
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- Reciprocating, Oscillating Or Vibrating Motors (AREA)
Abstract
A linear motor, relating to the technical field of motors. The linear motor comprises: a housing (1) having an accommodating space, and a stator (4) and a vibrator (3) accommodated in the accommodating space. The stator (4) is fixedly connected to the housing (1), and the vibrator (3) is elastically connected to the housing (1) by means of an elastic member (2). The stator (4) comprises a fixed member (41) fixed to the housing (1), an iron core (422) riveted to the fixed member (41), and a coil (421) disposed at the periphery of the iron core (422). The vibrator (3) comprises a magnetic circuit system (32) and a mass block (31). The iron core (422) is provided with stepped limiting structures, and the iron core (422) is riveted to the fixed member (41) by means of the limiting structures. The linear motor is simple to assemble, firm and reliable; the stepped limiting structures added to both ends of the iron core provide axial limitation while riveting a copper sheet, so that the iron core is riveted to the copper sheet more firmly; moreover, the structural features of the limiting structures make the assembly easier.
Description
本实用新型涉及电机技术领域，具有涉及一种线性电机。The utility model relates to the technical field of motors, and relates to a linear motor.
线性电机是一种将电能直接转换成直线运动机械能，而不需要任何中间转换机构的传动装置。目前市场上具有螺线管磁路结构的线性电机一般通过使用铁芯直接与铜片铆接。Linear motor is a transmission device that directly converts electrical energy into linear motion mechanical energy without any intermediate conversion mechanism. Currently, linear motors with solenoid magnetic circuit structures on the market generally use iron cores to be directly riveted with copper sheets.
申请人发现现在技术中线性的螺线管装配稳定性依赖铆接强度，不易装配，而且存在跌落的风险。The applicant found that the linear solenoid assembly stability in the current technology depends on the riveting strength, which is not easy to assemble, and there is a risk of falling.
发明概述Summary of the invention
本实用新型的目的在于提供一种线性电机，提高铁芯与铜片装配牢靠性。The purpose of the utility model is to provide a linear motor to improve the assembly reliability of the iron core and the copper sheet.
问题的解决方案The solution to the problem
本实用新型的一种线性电机，包括具有收容空间的壳体，收容于所述收容空间内的定子和振子，所述定子与所述壳体固定连接，所述振子通过弹性件与所述壳体弹性连接，所述定子包括固定于所述壳体的固定件、铆接于所述固定件的铁芯以及设于所述铁芯***的线圈，所述振子包括磁路***和质量块，所述铁芯设有台阶状的限位结构，所述铁芯通过所述限位结构与所述固定件铆接。A linear motor of the present invention includes a housing with a housing space, a stator and a vibrator contained in the housing space, the stator is fixedly connected to the housing, and the vibrator is connected to the housing through an elastic member. Body elastic connection, the stator includes a fixing member fixed to the housing, an iron core riveted to the fixing member, and a coil provided on the periphery of the iron core, the vibrator includes a magnetic circuit system and a mass, so The iron core is provided with a stepped limiting structure, and the iron core is riveted with the fixing member through the limiting structure.
作为本实用新型的进一步改进，所述铁芯包括主体部分和限位部分，所述限位部分位于所述主体部分的两端，所述限位部分的截面与所述主体部分截面形状相同且所述限位部分的截面积小于所述主体部分截面积，形成所述限位结构。As a further improvement of the present invention, the iron core includes a main body part and a limiting part, the limiting part is located at both ends of the main body part, and the cross-section of the limiting part is the same as the cross-sectional shape of the main body part. The cross-sectional area of the limiting portion is smaller than the cross-sectional area of the main body, forming the limiting structure.
作为本实用新型的进一步改进，所述主体部分为四棱柱结构，所述主体部分的截面为矩形。As a further improvement of the present invention, the main body part has a quadrangular prism structure, and the cross section of the main body part is rectangular.
作为本实用新型的进一步改进，所述铁芯的棱边均为圆角结构。As a further improvement of the present invention, the edges of the iron core are all rounded structures.
作为本实用新型的进一步改进，所述主体部分的轴心与所述限位部分的轴心相 同。As a further improvement of the present invention, the axis of the main body part is the same as the axis of the limiting part.
作为本实用新型的进一步改进，所述固定件为铜片。As a further improvement of the present invention, the fixing member is a copper sheet.
作为本实用新型的进一步改进，所述固定件有两个，相互平行且相对间隔设置，所述铁芯设于两个所述固定件之间，所述限位部分伸入所述固定件的通孔内与所述固定件连接，所述主体部分的靠近所述限位部分的边缘紧贴所述固定件。As a further improvement of the present invention, there are two fixing parts, which are arranged parallel to each other and relatively spaced apart, the iron core is arranged between the two fixing parts, and the limiting part extends into the fixing part. The through hole is connected with the fixing part, and the edge of the main body part close to the limiting part is close to the fixing part.
作为本实用新型的进一步改进，所述线圈和所述铁芯的数量均为两个，两个所述铁芯均通过所述限位结构与所述固定件铆接。As a further improvement of the present invention, the number of the coil and the iron core are both two, and the two iron cores are both riveted to the fixing member through the limiting structure.
作为本实用新型的进一步改进，所述壳体包括形成所述收容空间的上盖和下盖，所述上盖和所述下盖上均设有卡槽，所述固定件与所述卡槽铆接。As a further improvement of the present invention, the housing includes an upper cover and a lower cover forming the receiving space, and both the upper cover and the lower cover are provided with a card slot, and the fixing member is connected to the card slot Riveted.
作为本实用新型的进一步改进，所述质量块设有位于中心的空腔，所述磁路***设于所述空腔内并固定于所述空腔的内壁，所述磁路***包括相对设置的两组磁性部件，两组所述磁性部件设于所述内壁的相对两侧，所述定子位于两组所述磁性部件之间。As a further improvement of the present invention, the mass block is provided with a cavity located in the center, the magnetic circuit system is arranged in the cavity and fixed to the inner wall of the cavity, and the magnetic circuit system includes an opposite arrangement The two sets of magnetic components are arranged on opposite sides of the inner wall, and the stator is located between the two sets of magnetic components.
发明的有益效果The beneficial effects of the invention
本实用新型的有益效果是：本实用新型装配简单、牢固可靠，本线性电机通过铁芯两端增加台阶状的限位结构，铜片铆接的同时提供铁芯的轴向的限位，使其与铜片铆接得更加牢靠，而且限位结构的结构特征使装配更加简单。The beneficial effects of the utility model are: the utility model is simple to assemble, firm and reliable. The linear motor adds a step-like limit structure through the two ends of the iron core, and the copper sheet is riveted while providing the axial limit of the iron core to make it The riveting with the copper sheet is more reliable, and the structural feature of the limit structure makes the assembly easier.
对附图的简要说明Brief description of the drawings
图1是本实用新型的图1整体结构立体图；Figure 1 is a perspective view of the overall structure of Figure 1 of the utility model;
图2是本实用新型的图1沿长轴的剖面图；Figure 2 is a cross-sectional view of the utility model along the long axis of Figure 1;
图3是本实用新型的图1去掉上盖的结构示意图；Figure 3 is a schematic structural view of the utility model with the upper cover removed from Figure 1;
图4是本实用新型的图1中沿短轴切露出铁芯结构的剖面图；Figure 4 is a cross-sectional view of the utility model showing the iron core structure cut along the short axis in Figure 1;
图5是本实用新型的图1中沿厚度方向切露出铁芯结构的剖面图；Figure 5 is a cross-sectional view of the utility model showing the iron core structure cut along the thickness direction in Figure 1;
图6是本实用新型的铁芯结构示意图。Fig. 6 is a schematic diagram of the iron core structure of the present invention.
其中，1、壳体；2、弹性件；3、振子；31、质量块；32、磁路***；321、磁 钢；322、极芯；323、软磁体；4、定子；41、固定件；42、线圈组件；421、线圈；422、铁芯；4221、主体部分；4222、限位部分；5、上盖；6、下盖。Among them, 1. housing; 2. elastic part; 3. vibrator; 31, mass block; 32, magnetic circuit system; 321, magnetic steel; 322, pole core; 323, soft magnet; 4. stator; 41, fixed part 42. Coil assembly; 421. Coil; 422. Iron core; 4221. The main body; 4222. The limit part; 5. The upper cover; 6. The lower cover.
发明实施例Invention embodiment
下面结合附图对本实用新型的实施例进行详细描述。The embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.
如图1至6所示：一种线性电机，包括具有收容空间的壳体1，收容于所述收容空间内的定子4和振子3，所述定子4与所述壳体1固定连接，所述振子3通过弹性件2与所述壳体1弹性连接，所述壳体1包括形成所述收容空间的上盖5和下盖6，所述上盖5和所述下盖6上均设有卡槽，所述卡槽铆接有固定件41。As shown in Figures 1 to 6: a linear motor includes a housing 1 with a housing space, a stator 4 and a vibrator 3 received in the housing space, and the stator 4 is fixedly connected to the housing 1, so The vibrator 3 is elastically connected to the housing 1 through an elastic member 2. The housing 1 includes an upper cover 5 and a lower cover 6 forming the receiving space, and both the upper cover 5 and the lower cover 6 are provided with There is a card slot, and a fixing member 41 is riveted to the card slot.
所述定子4包括固定于所述壳体1的固定件41和线圈组件42，线圈组件42包括铆接于所述固定件41的铁芯422以及设于所述铁芯422***的线圈421，所述铁芯422设有台阶状的限位结构，所述铁芯422通过所述限位结构与所述固定件41铆接。与固定件41铆接的同时提供铁芯422的轴向的限位，使其与固定件41铆接得更加牢靠，而且限位结构的结构特征使装配更加简单。所述铁芯422包括主体部分4221和限位部分4222，所述限位部分4222位于所述主体部分4221的两端，所述限位部分4222的截面与所述主体部分4221截面形状相同且所述限位部分4222的截面积小于所述主体部分4221截面积，形成所述限位结构。所述主体部分4221为四棱柱结构，所述主体部分4221的截面为矩形，所述铁芯422的棱边均为圆角结构，所述主体部分4221的轴心与限位部分4222的轴心相同，所述限位结构为由主体部分4221边缘和限位部分4222的截面不同形成的台阶状结构，所述限位部分4222伸入的固定件41凹槽内与固定件41过盈连接，所述主体部分4221边缘紧贴固定件41的内壁。本实施例中所述固定件41为铜片，固定件41有两个，相互平行且相对间隔设置，所述铁芯422设于两个所述固定件41之间，所述限位部分4222伸入所述固定件41的通孔内与所述固定件41连接，所述主体部分4221的靠近所述限位部分4222的边缘紧贴所述固定件41。The stator 4 includes a fixing member 41 fixed to the housing 1 and a coil assembly 42. The coil assembly 42 includes an iron core 422 riveted to the fixing member 41 and a coil 421 provided on the periphery of the iron core 422. The iron core 422 is provided with a step-shaped limiting structure, and the iron core 422 is riveted to the fixing member 41 through the limiting structure. While riveting with the fixing member 41, an axial limit of the iron core 422 is provided, so that it can be riveted with the fixing member 41 more firmly, and the structural feature of the limit structure makes the assembly easier. The core 422 includes a main body portion 4221 and a limiting portion 4222. The limiting portion 4222 is located at both ends of the main body portion 4221. The limiting portion 4222 has the same cross-section as the main portion 4221 and has the same shape. The cross-sectional area of the limiting portion 4222 is smaller than the cross-sectional area of the main body portion 4221 to form the limiting structure. The main body portion 4221 has a quadrangular prism structure, the cross-section of the main body portion 4221 is rectangular, the edges of the iron core 422 are rounded, and the axis of the main portion 4221 and the axis of the limiting portion 4222 Similarly, the limiting structure is a stepped structure formed by the different cross sections of the edge of the main body portion 4221 and the limiting portion 4222, and the limiting portion 4222 extends into the groove of the fixing member 41 to be interference-connected with the fixing member 41, The edge of the main body portion 4221 is close to the inner wall of the fixing member 41. In this embodiment, the fixing member 41 is a copper sheet. There are two fixing members 41, which are arranged parallel to each other and spaced apart from each other. The iron core 422 is arranged between the two fixing members 41, and the limiting portion 4222 It extends into the through hole of the fixing member 41 and is connected to the fixing member 41, and the edge of the main body portion 4221 close to the limiting portion 4222 is close to the fixing member 41.
所述振子3包括磁路***32和质量块31，所述质量块31设有位于中心的空腔，所述磁路***32设于所述空腔内并固定于所述空腔的内壁，所述磁路***32包括相对设置的两组磁性部件，两组所述磁性部件设于所述内壁的相对两侧，所 述定子4位于两组所述磁性部件之间，每组所述磁性部件包括主磁钢321、副磁钢322和极芯323，所述主磁钢321有三个，副磁钢322有两个，三个所述主磁钢321并行排列且两个副磁钢322穿插在磁钢321之间，所述极芯323包围着主磁钢321与副磁钢322的外侧，所述副磁钢322的位置与所述铁芯422的位置相对应。The vibrator 3 includes a magnetic circuit system 32 and a mass block 31, the mass block 31 is provided with a cavity in the center, and the magnetic circuit system 32 is arranged in the cavity and fixed to the inner wall of the cavity, The magnetic circuit system 32 includes two sets of oppositely arranged magnetic parts, the two sets of the magnetic parts are arranged on opposite sides of the inner wall, the stator 4 is located between the two sets of the magnetic parts, and each set of the magnetic parts The components include a main magnet 321, an auxiliary magnet 322 and a pole core 323. The main magnet 321 has three and the auxiliary magnet 322 has two. The three main magnets 321 are arranged in parallel and the two auxiliary magnets 322 are arranged in parallel. Interspersed between the magnets 321, the pole core 323 surrounds the outer sides of the main magnet 321 and the auxiliary magnet 322, and the position of the auxiliary magnet 322 corresponds to the position of the iron core 422.
以上所述的仅是本实用新型的实施方式，在此应当指出，对于本领域的普通技术人员来说，在不脱离本实用新型创造构思的前提下，还可以做出改进，但这些均属于本实用新型的保护范围。The above are only the embodiments of the present utility model. It should be pointed out here that for those of ordinary skill in the art, improvements can be made without departing from the inventive concept of the present utility model, but these all belong to The scope of protection of the utility model.
Claims (10)
- 一种线性电机，包括具有收容空间的壳体，收容于所述收容空间内的定子和振子，所述定子与所述壳体固定连接，所述振子通过弹性件与所述壳体弹性连接，所述定子包括固定于所述壳体的固定件、铆接于所述固定件的铁芯以及设于所述铁芯***的线圈，所述振子包括磁路***和质量块，其特征在于：所述铁芯设有台阶状的限位结构，所述铁芯通过所述限位结构与所述固定件铆接。A linear motor includes a housing with an accommodation space, a stator and a vibrator accommodated in the accommodation space, the stator is fixedly connected to the housing, and the vibrator is elastically connected to the housing through an elastic member, The stator includes a fixing part fixed to the housing, an iron core riveted to the fixing part, and a coil arranged on the periphery of the iron core. The vibrator includes a magnetic circuit system and a mass, and is characterized in that: The iron core is provided with a stepped limiting structure, and the iron core is riveted with the fixing member through the limiting structure.
- 根据权利要求1所述的线性电机，其特征在于：所述铁芯包括主体部分和限位部分，所述限位部分位于所述主体部分的两端，所述限位部分的截面与所述主体部分截面形状相同且所述限位部分的截面积小于所述主体部分截面积，形成所述限位结构。The linear motor according to claim 1, wherein the iron core includes a main body part and a limit part, the limit part is located at both ends of the main part, and the cross section of the limit part is the same as the The main body has the same cross-sectional shape and the cross-sectional area of the limiting portion is smaller than the cross-sectional area of the main body, forming the limiting structure.
- 根据权利要求2所述的线性电机，其特征在于：所述主体部分为四棱柱结构，所述主体部分的截面为矩形。The linear motor according to claim 2, wherein the main body part has a quadrangular prism structure, and the cross section of the main body part is rectangular.
- 根据权利要求3所述的线性电机，其特征在于：所述铁芯的棱边均为圆角结构。The linear motor according to claim 3, wherein the edges of the iron core are all rounded.
- 根据权利要求4所述的线性电机，其特征在于：所述主体部分的轴心与所述限位部分的轴心相同。The linear motor according to claim 4, wherein the axis of the main body part is the same as the axis of the limiting part.
- 根据权利要求5所述的线性电机，其特征在于：所述固定件为铜片。The linear motor according to claim 5, wherein the fixing member is a copper sheet.
- 根据权利要求6所述的线性电机，其特征在于：所述固定件有两个，相互平行且相对间隔设置，所述铁芯设于两个所述固定件之间，所述限位部分伸入所述固定件的通孔内与所述固定件连接，所述主体部分的靠近所述限位部分的边缘紧贴所述固定件。The linear motor according to claim 6, characterized in that there are two fixing parts, which are arranged parallel to each other and at a relatively spaced interval, the iron core is arranged between the two fixing parts, and the limiting part extends It is inserted into the through hole of the fixing piece to be connected with the fixing piece, and the edge of the main body part close to the limiting part is close to the fixing piece.
- 根据权利要求1所述的线性电机，其特征在于：所述线圈和所述铁芯的数量均为两个，两个所述铁芯均通过所述限位结构与所述固定件铆接。The linear motor according to claim 1, wherein the number of the coil and the iron core are both two, and the two iron cores are both riveted to the fixing member through the limiting structure.
- 根据权利要求1所述的线性电机，其特征在于：所述壳体包括形成 所述收容空间的上盖和下盖，所述上盖和所述下盖上均设有卡槽，所述固定件与所述卡槽铆接。The linear motor according to claim 1, wherein the housing includes an upper cover and a lower cover forming the accommodating space, and both the upper cover and the lower cover are provided with a card slot, and the fixing The piece is riveted with the card slot.
- 根据权利要求1-9所述的线性电机，其特征在于：所述质量块设有位于中心的空腔，所述磁路***设于所述空腔内并固定于所述空腔的内壁，所述磁路***包括相对设置的两组磁性部件，两组所述磁性部件设于所述内壁的相对两侧，所述定子位于两组所述磁性部件之间。The linear motor according to claims 1-9, wherein the mass block is provided with a cavity in the center, and the magnetic circuit system is arranged in the cavity and fixed to the inner wall of the cavity, The magnetic circuit system includes two sets of oppositely arranged magnetic parts, the two sets of the magnetic parts are arranged on opposite sides of the inner wall, and the stator is located between the two sets of the magnetic parts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2019/128736 WO2021128172A1 (en) | 2019-12-26 | 2019-12-26 | Linear motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2019/128736 WO2021128172A1 (en) | 2019-12-26 | 2019-12-26 | Linear motor |
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| Publication Number | Publication Date |
|---|---|
| WO2021128172A1 true WO2021128172A1 (en) | 2021-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| PCT/CN2019/128736 WO2021128172A1 (en) | 2019-12-26 | 2019-12-26 | Linear motor |
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| Country | Link |
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| WO (1) | WO2021128172A1 (en) |
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