CN110957885A

CN110957885A - Linear oscillation motor

Info

Publication number: CN110957885A
Application number: CN201911354474.5A
Authority: CN
Inventors: 郭志焱; 兰德福; 李军
Original assignee: Zhejiang Baolong Mechanical And Electrical Co Ltd
Current assignee: Zhejiang Baolong Mechanical And Electrical Co Ltd
Priority date: 2019-12-25
Filing date: 2019-12-25
Publication date: 2020-04-03
Also published as: WO2021128627A1

Abstract

The invention discloses a linear oscillation motor which comprises a shell, wherein a linear vibration module and a reverse vibration module are arranged in the shell, the linear vibration module and the reverse vibration module are coupled through the shell, the linear vibration module comprises a sliding part and at least one group of iron core group, the sliding part is arranged in the shell in an axial sliding mode, the sliding part extends outwards from the shell to form an output shaft, magnetic steel is arranged on the sliding part, plate springs are arranged at two ends of the sliding part and are connected with the shell through the plate springs, the iron core group comprises two E-shaped iron cores which are respectively arranged at two sides of the sliding part, windings are arranged on the E-shaped iron cores, and the reverse vibration module is arranged in the shell and is far away from the output shaft. Its simple structure does benefit to the realization, can realize that the center pin can be followed axial motion output to output is more stable, improves overall structure's result of use.

Description

Linear oscillation motor

Technical Field

The invention relates to the technical field of linear motors, in particular to a small linear oscillating motor.

Background

An electric machine, also called a motor, is an electromagnetic device that converts electric energy into mechanical energy according to the law of electromagnetic induction. The output of the existing motor is usually in a form of rotary output, if linear motion is needed, the linear motion is usually realized through an intermediate conversion mechanism, such as a crank-swing link mechanism, which converts the rotary motion into the linear motion, thus causing adverse effects of complex structure, high production cost, high energy consumption, high noise and the like, the linear motor can directly generate the linear motion without an intermediate mechanism, the structure is simple, the energy consumption is low, the noise is low, the linear oscillating motor is one type of the linear motor, and the linear oscillating motor is generally provided with an output shaft and an armature, the output shaft is installed in a machine shell through a linear bearing, meanwhile, the output shaft is provided with magnetic steel or the armature, a buffer spring is arranged on the output shaft, the back-and-forth movement of the output shaft in the shell is realized through the interaction of the armature and the magnetic steel, but in a small linear, in order to solve the problems, the two ends of an output shaft of some linear motors are provided with plate springs, each plate spring is provided with an elastic arm which is spirally arranged, one end of each elastic arm is connected with the output shaft, and the other end of each elastic arm is connected to a shell, in this way, each plate spring can support a central shaft, when the spring slides along the axial direction under the action of an armature, each plate spring can provide a certain range of sliding space, but the plate springs in this form are of an open structure, when the output shaft has certain radial deviation in the using process, the plate springs can generate stress and fatigue under the condition, and the service life is influenced, the output of the output shaft is not stable enough, and meanwhile, the structure is not smooth enough, the installation and the positioning are inconvenient, and the production and the processing efficiency are not improved.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides the linear oscillating motor which is simple in structure, beneficial to implementation, capable of realizing the output of the central shaft along the axial motion, more stable in output and capable of improving the using effect of the whole structure.

In order to achieve the above purpose, the present invention provides a linear oscillation motor, which includes a housing, wherein a linear oscillation module and a counter oscillation module are disposed in the housing, the linear oscillation module and the counter oscillation module are coupled via the housing, the linear oscillation module includes a sliding member and at least one set of iron core set, the sliding member is disposed in the housing in an axially sliding manner, the sliding member extends outward from the housing to form an output shaft, magnetic steel is disposed on the sliding member, leaf springs are disposed at two ends of the sliding member and are connected to the housing via the leaf springs, the iron core set includes two E-shaped iron cores disposed at two sides of the sliding member, windings are disposed on the E-shaped iron cores, and the counter oscillation module is disposed in the housing and is far away from the output shaft.

The beneficial effect who so sets up is: the two sets of iron cores are arranged, the iron cores are arranged in an E shape, when alternating current is passed through, the change of an N pole and an S pole can be alternately formed at the two ends of the iron core, magnetic steel is arranged on the sliding piece, preferably, the two magnetic steels are arranged in a sheet shape, the magnetic steels at the two sides are arranged on the sliding piece in a positive and negative mode, when the S pole is formed at one end of the iron core, one side of the S pole on the sliding piece is repelled and one side of the N pole is attracted, the other end of the iron core is opposite to the N pole, one side of the N pole on the sliding piece is repelled and one side of the S pole is attracted, the sliding piece is driven to slide to one side, due to the fact that alternating current is introduced, the magnetic poles formed at the two ends of the iron core are alternately changed, the sliding piece is made to reciprocate, output along the axial reciprocating oscillation is achieved, and the preferred mode of adopting, the force applied by the E-shaped iron core is more obvious, the E-shaped iron cores are further arranged into two groups which are respectively arranged at two sides of the sliding part, so that the force applied by the sliding part in the radial direction is balanced, the condition that the sliding part deviates in the radial direction is avoided, the stability of the structure is ensured, a plate spring is further arranged on the sliding part, the plate spring can be arranged into a plane volute spring or a pagoda volute spring, the radial deflection force can be better borne, the structure is more stable, the reset effect on the sliding part can be realized, the existing combination of a spring and a linear bearing can be replaced by the plate spring, the production cost is lower, the friction is smaller when the sliding part slides, the noise is reduced, the service life is effectively prolonged, a reverse vibration module is further arranged at one end, far away from the output shaft, of the shell and is coupled with the linear vibration module through the shell, the force of the linear vibration module transmitted through the shell can be relieved, the vibration amplitude is reduced, the vibration of the shell can be effectively reduced, and therefore the vibration of a device or equipment provided with the linear vibration motor is weakened. Its overall structure is simple, does benefit to the realization, can realize that the center pin can be followed axial motion output to output is more stable, improves overall structure's result of use.

Further, the reverse vibration module sets up to balancing weight and loading board, the balancing weight sets up on the loading board, the loading board both ends are provided with the leaf spring and are connected with the casing through the leaf spring, be formed with the bradyseism between loading board and the sliding member and let the space.

The beneficial effect who so sets up is: set the reverse vibration module to this kind of form, when sliding a work and driving the casing and produce the effort of a direction, the effort passes through the casing and transmits the leaf spring, and then transmit the loading board, because loading board self has configured the balancing weight, great inertia has, thereby absorb partly power, can effectively provide a buffering, improve holistic stability, reduce overall structure's vibration, avoid because the device or equipment of vibration to this linear oscillation motor of installation, and great quality can provide a reaction force, make its axial output effect better, set up the balancing weight simultaneously, can balance with the weight of E shape iron core, make overall structure's weight distribution more reasonable, increase overall structure's equilibrium.

Further, the reverse vibration module sets up to balancing weight and loading board, the loading board intermediate position is provided with the leaf spring and is connected with the casing through the leaf spring, balancing weight and loading board fixed connection, the balancing weight is two and sets up respectively in the leaf spring both sides, be formed with the bradyseism between loading board and the sliding member and let the space.

Further, the plate spring comprises a support ring, a first elastic arm and a second elastic arm, a buffer opening is formed between the support ring and the first elastic arm as well as between the support ring and the second elastic arm, a connecting sheet used for being connected with a sliding piece or a bearing plate is arranged at the center of the buffer opening, one end of the first elastic arm is connected with the support ring, the other end of the first elastic arm is fixedly connected with the connecting sheet after the connecting sheet is coiled, one end of the second elastic arm is connected with the support ring, and the other end of the second elastic arm is fixedly connected with the connecting sheet after the connecting sheet is coiled.

The beneficial effect who so sets up is: set the leaf spring to this kind of form, adopt the form of two elastic arms for the part that slides has great axial space of sliding when sliding, has great amount of sliding, is provided with two strong points of support simultaneously, makes this leaf spring have very strong radial deformation resistance, and K value is bigger promptly, and very big reduction slide is at the ascending displacement of radial side, and further this kind of structure is simpler, the production and processing of being convenient for more, improves production efficiency.

Further, the first elastic arm and the second elastic arm are not overlapped with each other in the buffer opening, and the first elastic arm and the second elastic arm are coiled around the connecting piece for at least 250 degrees.

The beneficial effect who so sets up is: first elastic arm and second elastic arm do not coincide and set up, indicate first elastic arm and the projection of second elastic arm in buffering mouth do not coincide, set up like this, avoid two elastic arm mutual interference, lead to the difficulty that resets, make the structure more stable, it is more balanced when atress and application of force, the uneven and off tracking phenomenon of atress appears when avoiding sliding member or loading board to slide, improve overall structure's stability, and it is more convenient to set up processing like this, can directly produce with the mode of punching press on the sheet material, be closed structure simultaneously, higher roughness has, the industrial production of being convenient for, improve production machining efficiency.

Furthermore, the first elastic arm and the second elastic arm are arranged in a central symmetry mode.

The beneficial effect who so sets up is: first elastic arm and second elastic arm use buffering mouthful central point as central symmetry for overall structure is more succinct, the production of being convenient for, makes overall structure in the use, and atress and application of force are more balanced, and the phenomenon of off tracking appears when avoiding sliding or loading board to slide, improves overall structure's stability, is closed structure simultaneously, has higher roughness, and the industrial production of being convenient for improves production machining efficiency.

Furthermore, a connecting port is formed on the connecting piece, and the sliding piece and the bearing plate are connected with the corresponding connecting port through spot welding.

The beneficial effect who so sets up is: set up the connection piece, set up the connector on the connection piece simultaneously, it is more convenient to make sliding piece and loading board location connect, can insert sliding piece or loading board and weld after the connector, thereby accomplish both fixed connection, it is higher to connect the accuracy like this, be difficult to appear the unbalanced condition of hookup location, and the off tracking appears when leading to sliding piece or loading board to slide, influence overall structure's use, overall structure's stability can effectively be improved, result of use and availability factor are improved.

Furthermore, the sliding part is flat, a through groove is formed in the sliding part, the two pieces of magnetic steel are clamped in the through groove in parallel and are arranged in the opposite direction.

The beneficial effect who so sets up is: the sliding piece is arranged to be flat, the through groove is formed in the sliding piece, the magnetic steels are arranged in the through groove in parallel, the structure is compact, the magnetic steels with large volumes can be installed, the stress effect of the sliding piece is increased, the output power is improved, the magnetic steels do not need to be arranged on two sides of the sliding piece due to the structure of the through groove, the number of the magnetic steels is reduced, and the assembly efficiency is improved.

Furthermore, the sliding part and the output shaft are arranged in a split mode, the sliding part penetrates out of the connecting port, an inserting port is formed in the connecting end of the output shaft and the sliding part, and the inserting port is in inserting fit with the sliding part and then is welded to form fixed connection of the output shaft and the sliding part.

The beneficial effect who so sets up is: with the components of a whole that can function independently of sliding member and output shaft, carry out the assembly of output shaft again after the sliding member has been assembled, through the grafting of the interface on the output shaft and sliding member, can carry out quick installation, adopt the form of pegging graft simultaneously, can choose different output shaft forms for use according to the product for it is more convenient to replace spare part, need not wholly change sliding member, does not relate to the structure in the casing, improves assembly efficiency, improves the suitability of product.

Further, the E-shaped iron core comprises a base part, and a first positioning part, a second positioning part and a third positioning part which are arranged on the base part at intervals, the second positioning part is arranged between the first positioning part and the third positioning part, and the winding is arranged on the second positioning part.

The beneficial effect who so sets up is: the E-shaped iron core has a high window space factor, and can form a protective shell for the winding, so that the winding is not easy to be mechanically injured. Meanwhile, the heat dissipation structure has a large heat dissipation area.

Further, be formed with the constant head tank on the casing, E shape iron core base card is established in the constant head tank, the base is fixed with the constant head tank spot welding, be provided with the mounting groove in the constant head tank both sides on the casing, mounting groove and constant head tank UNICOM.

The beneficial effect who so sets up is: the positioning groove is arranged, so that the E-shaped iron core base part can be conveniently and quickly positioned and installed, and the installation is quicker. As preferred, two casings about the casing components of a whole that can function independently setting formation during production, set up draw-in groove and flange between the upper and lower casing, form the aggregate erection between them through the joint of joint groove and flange, the form of this kind of components of a whole that can function independently simultaneously is convenient for quick with E shape iron core joint installation, further improves installation production efficiency. Set up the mounting groove, the mounting groove is linked together with the constant head tank simultaneously, can play assistance-localization real-time's effect when installation E shape iron core, and the location installation of being convenient for increases the point of gripping, is convenient for carry out spot welding operation, and the mounting groove still can facilitate for the location installation of follow-up casing simultaneously, and this kind of simple structure improves installation and production machining efficiency, improves overall structure's result of use.

Further, it is provided with the joint groove to correspond the leaf spring position on the casing, be provided with the protruding muscle in location on the leaf spring support ring periphery wall, the protruding muscle in location forms the fixed of leaf spring in the casing with joint groove joint.

The beneficial effect who so sets up is: set up the joint groove, be convenient for quick position to the leaf spring is fixed, effective location simultaneously, improve assembly efficiency, the location installation is also very convenient, overall housing structure also very does benefit to processing, as preferred, two casings about the casing components of a whole that can function independently setting formation during production, on, set up draw-in groove and flange between the casing down, joint through joint groove and flange forms composite mounting between them, the form of this kind of components of a whole that can function independently simultaneously, the quick joint installation of the leaf spring of being convenient for, further improve installation production efficiency.

Drawings

FIG. 1 is a schematic structural view of a first and second embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of a first embodiment of the present invention;

FIG. 3 is an exploded view of the first embodiment of the present invention;

FIG. 4 is a schematic view showing the structure of the leaf spring according to the first and second embodiments of the present invention;

fig. 5 is a schematic cross-sectional view illustrating a second embodiment of the present invention.

Detailed Description

A first embodiment of the linear oscillation motor of the present invention is shown in fig. 1, 2, 3 and 4: including casing 1, be provided with linear vibration module and reverse vibration module in casing 1, the linear vibration module passes through casing 1 coupling with the reverse vibration module, the linear vibration module is including sliding 3 and a set of iron core group, sliding 3 sets up in casing 1 along endwise slip, sliding 3 extends to casing 1 outward and is formed with output shaft 4, be provided with magnet steel 31 on sliding 3, sliding 3 both ends are provided with leaf spring 5 and are connected with casing 1 through leaf spring 5, the iron core group includes that two set up respectively at the E shape iron core 2 of sliding 3 both sides, be provided with the winding on the E shape iron core 2, the reverse vibration module sets up in casing 1 and keeps away from output shaft 4 and sets up. The beneficial effect who so sets up is: the two sets of iron cores are arranged, the iron cores are arranged in an E shape, when alternating current is passed through, the change of an N pole and an S pole can be alternately formed at the two ends of the iron core, the sliding piece 3 is provided with the magnetic steel 31, preferably, the magnetic steel 31 is two and is in a sheet shape, the magnetic steels 31 at the two sides are arranged on the sliding piece 3 in a positive and negative way, when one end of the iron core forms the S pole, one side of the S pole on the sliding piece 3 is repelled, one side of the N pole is attracted, the other end of the iron core is opposite to the N pole, one side of the N pole on the sliding piece 3 is repelled, one side of the S pole is attracted, the sliding piece 3 is driven to slide towards one side, because alternating current is introduced, the magnetic poles formed at the end parts of the two ends of the iron core are alternately changed, the sliding piece 3 is made to reciprocate, output along the axial direction is realized, preferably, the magnetic pole area, the acting force of the E-shaped iron core 2 is more obvious, the E-shaped iron core 2 is further arranged into two groups, the two groups are respectively arranged at two sides of the sliding piece 3, the force of the sliding piece 3 received in the radial direction is balanced, the condition that the sliding piece 3 deviates in the radial direction is avoided, the stability of the structure is ensured, a plate spring 5 is further arranged on the sliding piece 3, the plate spring 5 can be arranged into a plane volute spring or a cone volute spring, the radial deflection force can be better borne, the structure is more stable, the reset positioning effect on the sliding piece 3 can be played, the existing combination of a spring and a linear bearing can be replaced through the plate spring 5, the production cost is lower, the friction is smaller when the sliding piece 3 slides, the noise is reduced, the service life is effectively prolonged, a reverse vibration module is further arranged, the reverse vibration module is arranged at one end, far away from the output shaft 4, of the reverse vibration module is arranged in the shell 1, and is coupled with the linear vibration module And the force transmitted by the linear vibration module through the shell 1 can be relieved, the vibration amplitude is reduced, and the vibration of the shell can be effectively reduced, so that the vibration of the equipment or the device provided with the linear vibration motor is weakened. Its overall structure is simple, does benefit to the realization, can realize that the center pin can be followed axial motion output to output is more stable, improves overall structure's result of use.

Further, the reverse vibration module sets up to balancing weight 61 and loading board 6, balancing weight 61 sets up on

loading board

6, 6 both ends of loading board are provided with leaf spring 5 and are connected with casing 1 through leaf spring 5, be formed with the bradyseism between loading board 6 and the sliding member 3 and let the space. The beneficial effect who so sets up is: set the reverse vibration module to this kind of form, when 3 work drive casings 1 produce the effort of a direction sliding, the effort transmits leaf spring 5 through casing 1, and then transmit loading board 6, because loading board 6 self has configured balancing weight 61, have great inertia, thereby absorb partly power, can effectively provide a buffering, improve holistic stability, reduce overall structure's vibration, avoid vibrating to produce harmful effects to the device or equipment of installing this linear oscillation motor, and great quality can provide a reaction force, make its axial output effect better, set up balancing weight 61 simultaneously, can balance with the weight of E shape iron core 2, make overall structure's weight distribution more reasonable, increase overall structure's equilibrium.

Further, the plate spring 5 comprises a support ring 51, a first elastic arm 52 and a second elastic arm 53, a buffer opening 511 is formed in the support ring 51, a connecting piece 54 used for being connected with the sliding piece 3 or the bearing plate 6 is arranged in the center of the buffer opening 511, one end of the first elastic arm 52 is connected with the support ring 51, the other end of the first elastic arm is fixedly connected with the connecting piece 54 after being coiled around the connecting piece 54, one end of the second elastic arm 53 is connected with the support ring 51, and the other end of the second elastic arm is fixedly connected with the connecting piece 54 after being coiled around the connecting piece 54. The beneficial effect who so sets up is: set leaf spring 5 to this kind of form, adopt the form of two elastic arms for sliding 3 when sliding, have great axial displacement space, have great amount of sliding, be provided with two strong points of support simultaneously, make this leaf spring 5 have very strong radial deformation resistance, K value is bigger promptly, very big reduction sliding 3 is at the ascending displacement of radial side, further this kind of structure is simpler, the production and processing of being convenient for more, improves production efficiency.

Further, the first elastic arm 52 and the second elastic arm 53 are not overlapped with each other in the buffer opening 511, and the first elastic arm 52 and the second elastic arm 53 are coiled at least 250 ° around the connecting piece 54. The beneficial effect who so sets up is: first elastic arm 52 and second elastic arm 53 do not coincide and set up, indicate first elastic arm 52 and the projection of second elastic arm 53 in buffering mouth 511 do not coincide, set up like this, avoid two elastic arm mutual interference, lead to the difficulty that resets, make the structure more stable, it is more balanced when atress and application of force, the phenomenon that the atress is uneven and the off tracking appears when avoiding sliding member 3 or loading board 6 to slide, improve overall structure's stability, and it is more convenient to set up processing like this, can directly produce with the mode of punching press on the sheet material, be closed structure simultaneously, higher roughness has, the industrial production of being convenient for, improve production machining efficiency.

Further, the first elastic arm 52 and the second elastic arm 53 are arranged in a central symmetry manner. The beneficial effect who so sets up is: first elastic arm 52 and second elastic arm 53 use buffering mouth 511 central point as central symmetry for overall structure is more succinct, the production of being convenient for, makes overall structure in the use, and atress and application of force are more balanced, and the phenomenon of off tracking appears when avoiding sliding 3 or loading board 6 to slide, improves overall structure's stability, is closed structure simultaneously, has higher roughness, the industrial production of being convenient for, improves production machining efficiency.

Furthermore, a connection port 541 is formed on the connection piece 54, and the sliding member 3 and the carrier plate 6 are connected to the corresponding connection port 541 by spot welding. The beneficial effect who so sets up is: set up connection piece 54, offer connector 541 on connection piece 54 simultaneously, it is more convenient to make sliding member 3 and loading board 6 positioning connection, can insert sliding member 3 or loading board 6 and weld after connector 541, thereby accomplish both fixed connection, it is higher to connect the accuracy like this, the unbalanced condition in hookup location is difficult to appear, and the off tracking appears when leading to sliding member 3 or loading board 6 to slide, influence overall structure's use, overall structure's stability can effectively be improved, use effect and availability factor are improved.

Further, the sliding part 3 is flat, a through groove is formed in the sliding part 3, the magnetic steels 31 are two, and the two magnetic steels 31 are clamped in the through groove in parallel and are arranged in the opposite direction. The beneficial effect who so sets up is: set to the platykurtic slide 3 to set up logical groove on it, set up magnet steel 31 wherein side by side, compact structure can install the great magnet steel 31 of volume, increases slide 3's atress effect, thereby improves output, and the structure of leading to the groove need not all set up magnet steel 31 at slide 3 both sides, reduces magnet steel 31 quantity, improves assembly efficiency.

Furthermore, the sliding part 3 and the output shaft 4 are arranged in a split manner, the sliding part 3 penetrates through the connecting port 541, an inserting port 41 is formed at the connecting end of the output shaft 4 and the sliding part 3, and the inserting port 41 and the sliding part 3 are inserted and matched and then welded to form a fixed connection between the output shaft 4 and the sliding part 3. The beneficial effect who so sets up is: with the components of a whole that can function independently of sliding member 3 and output shaft 4, carry out the assembly of output shaft 4 again after the assembly sliding member 3, through interface 41 on the output shaft 4 and the grafting of sliding member 3, can carry out quick installation, adopt the form of pegging graft simultaneously, can choose different output shaft 4 forms for use according to the product for replacement spare part is more convenient, need not wholly change sliding member 3, do not relate to the structure in the casing 1, the assembly efficiency is improved, the suitability of product is improved.

Further, the E-shaped iron core 2 includes a base 21, and a first positioning portion 22, a second positioning portion 23, and a third positioning portion 24 that are disposed at intervals on the base 21, the second positioning portion 23 is disposed between the first positioning portion 22 and the third positioning portion 24, and the winding is disposed on the second positioning portion 23. The beneficial effect who so sets up is: the E-shaped iron core 2 arranged in this way has a high window space factor, and the iron core can form a protective shell for the winding, so that the winding is not easy to be mechanically wounded. Meanwhile, the heat dissipation structure has a large heat dissipation area.

Further, be formed with constant head tank 11 on the

casing

1, 2 basal portions 21 of E shape iron core card are established in constant head tank 11, basal portions 21 and constant head tank 11 spot welding are fixed, casing 1 is last to be provided with mounting groove 13 in constant head tank 11 both sides, mounting groove 13 and constant head tank 11 UNICOM. The beneficial effect who so sets up is: the positioning groove 11 is arranged, so that the base 21 of the E-shaped iron core 2 can be conveniently positioned and installed, and the installation is quicker. Preferably, the shell 1 is split into an upper shell 1 and a lower shell 1, a clamping groove and a flange are arranged between the upper shell 1 and the lower shell 1, the clamping groove 12 and the flange are clamped to form combined installation of the upper shell and the lower shell, and meanwhile, the E-shaped iron core 2 is conveniently and quickly clamped and installed in a split mode, and installation and production efficiency is further improved. Set up mounting groove 13, mounting groove 13 is linked together with constant head tank 11 simultaneously, can play the effect of assistance-localization real-time when installation E shape iron core 2, the location installation of being convenient for, the point is gripped in the increase, is convenient for carry out the spot welding operation, mounting groove 13 still can facilitate for the location installation of follow-up casing 1 simultaneously, this kind of simple structure improves installation and production machining efficiency, improves overall structure's result of use.

Further, the casing 1 is provided with a clamping groove 12 corresponding to the position of the plate spring 5, a positioning convex rib 512 is arranged on the outer peripheral wall of the support ring 51 of the plate spring 5, and the positioning convex rib 512 and the clamping groove 12 are clamped to form the fixation of the plate spring 5 in the casing 1. The beneficial effect who so sets up is: set up joint groove 12, be convenient for quick position to leaf spring 5 is fixed, effective location simultaneously, improve assembly efficiency, it is also very convenient to fix a position the installation, whole casing 1 structure also very does benefit to processing, as preferred, two casing 1 about 1 components of a whole that can function independently setting up formation during production, on, set up draw-in groove and flange between the casing 1 down, joint through joint groove 12 and flange forms composite mounting between them, the form of this kind of components of a whole that can function independently simultaneously, the quick joint installation of leaf spring 5 of being convenient for, further improve installation production efficiency.

A second embodiment of the linear oscillation motor of the present invention is shown in fig. 1, 4 and 5: including casing 1, be provided with linear vibration module and reverse vibration module in casing 1, the linear vibration module passes through casing 1 coupling with the reverse vibration module, the linear vibration module is including sliding 3 and a set of iron core group, sliding 3 sets up in casing 1 along endwise slip, sliding 3 extends to casing 1 outward and is formed with output shaft 4, be provided with magnet steel 31 on sliding 3, sliding 3 both ends are provided with leaf spring 5 and are connected with casing 1 through leaf spring 5, the iron core group includes that two set up respectively at the E shape iron core 2 of sliding 3 both sides, be provided with the winding on the E shape iron core 2, the reverse vibration module sets up in casing 1 and keeps away from output shaft 4 and sets up. The beneficial effect who so sets up is: the two sets of iron cores are arranged, the iron cores are arranged in an E shape, when alternating current is passed through, the change of an N pole and an S pole can be alternately formed at the two ends of the iron core, the sliding piece 3 is provided with the magnetic steel 31, preferably, the magnetic steel 31 is two and is in a sheet shape, the magnetic steels 31 at the two sides are arranged on the sliding piece 3 in a positive and negative way, when one end of the iron core forms the S pole, one side of the S pole on the sliding piece 3 is repelled, one side of the N pole is attracted, the other end of the iron core is opposite to the N pole, one side of the N pole on the sliding piece 3 is repelled, one side of the S pole is attracted, the sliding piece 3 is driven to slide towards one side, because alternating current is introduced, the magnetic poles formed at the end parts of the two ends of the iron core are alternately changed, the sliding piece 3 is made to reciprocate, output along the axial direction is realized, preferably, the magnetic pole area, the acting force of the E-shaped iron core 2 is more obvious, the E-shaped iron core 2 is further arranged into two groups, the two groups are respectively arranged at two sides of the sliding piece 3, the force of the sliding piece 3 received in the radial direction is balanced, the condition that the sliding piece 3 deviates in the radial direction is avoided, the stability of the structure is ensured, a plate spring 5 is further arranged on the sliding piece 3, the plate spring 5 can be arranged into a plane volute spring or a cone volute spring, the radial deflection force can be better borne, the structure is more stable, the reset positioning effect on the sliding piece 3 can be played, the existing combination of a spring and a linear bearing can be replaced through the plate spring 5, the production cost is lower, the friction is smaller when the sliding piece 3 slides, the noise is reduced, the service life is effectively prolonged, a reverse vibration module is further arranged, the reverse vibration module is arranged at one end, far away from the output shaft 4, of the reverse vibration module is arranged in the shell 1, and is coupled with the linear vibration module And the force transmitted by the linear vibration module through the shell 1 can be relieved, the vibration amplitude is reduced, and the vibration of the shell can be effectively reduced, so that the vibration of the equipment or the device provided with the linear vibration motor is weakened. Its overall structure is simple, does benefit to the realization, can realize that the center pin can be followed axial motion output to output is more stable, improves overall structure's result of use.

Further, the reverse vibration module sets up to balancing weight 61 and

loading board

6, 6 intermediate positions of loading board are provided with leaf spring 5 and are connected with casing 1 through leaf spring 5, balancing

weight

61 and 6 fixed connection of loading board, balancing weight 61 is two and sets up respectively in 5 both sides of leaf spring, be formed with the bradyseism between loading board 6 and the sliding member 3 and let a space. The beneficial effect who so sets up is: set the reverse vibration module to this kind of form, when 3 work drive casings 1 produce the effort of a direction sliding, the effort transmits leaf spring 5 through casing 1, and then transmit loading board 6, because loading board 6 self has configured balancing weight 61, have great inertia, thereby absorb partly power, can effectively provide a buffering, improve holistic stability, reduce overall structure's vibration, avoid vibrating to produce harmful effects to the device or equipment of installing this linear oscillation motor, and great quality can provide a reaction force, make its axial output effect better, set up balancing weight 61 simultaneously, can balance with the weight of E shape iron core 2, make overall structure's weight distribution more reasonable, increase overall structure's equilibrium.

Further, be formed with constant head tank 11 on the

casing

The above example is only one of the preferred embodiments of the present invention, and general changes and substitutions by those skilled in the art within the technical scope of the present invention are included in the protection scope of the present invention.

Claims

1. A linear oscillation motor, comprising a housing, characterized in that: be provided with linear vibration module and reverse vibration module in the casing, linear vibration module passes through the casing coupling with the reverse vibration module, the linear vibration module is including sliding and at least a set of iron core group, the piece that slides sets up in the casing along endwise slip, the piece that slides extends outward to the casing and is formed with the output shaft, be provided with the magnet steel on the piece that slides, the piece both ends that slide are provided with the leaf spring and are connected with the casing through the leaf spring, the iron core group includes two E shape iron cores that set up respectively in the piece both sides that slide, be provided with the winding on the E shape iron core, the reverse vibration module sets up in the casing and keeps away from the output shaft setting.

2. The linear oscillation motor of claim 1, wherein: the reverse vibration module sets up to balancing weight and loading board, the balancing weight sets up on the loading board, the loading board both ends are provided with the leaf spring and are connected with the casing through the leaf spring, be formed with the bradyseism between loading board and the sliding member and let the space.

3. The linear oscillation motor of claim 1, wherein: the reverse vibration module sets up to balancing weight and loading board, the loading board intermediate position is provided with the leaf spring and is connected with the casing through the leaf spring, balancing weight and loading board fixed connection, the balancing weight is two and sets up respectively in the leaf spring both sides, be formed with the bradyseism between loading board and the piece that slides and let a space.

4. A linear oscillation motor as defined in claim 1, 2 or 3, wherein: the plate spring comprises a support ring, a first elastic arm and a second elastic arm, a buffer opening is formed between the support ring and the first elastic arm as well as between the support ring and the second elastic arm, a connecting piece used for being connected with a sliding piece or a bearing plate is arranged at the center of the buffer opening, one end of the first elastic arm is connected with the support ring, the other end of the first elastic arm is fixedly connected with the connecting piece after the connecting piece is coiled, one end of the second elastic arm is connected with the support ring, and the other end of the second elastic arm is fixedly connected with the connecting piece after the connecting piece is coiled.

5. The linear oscillation motor of claim 4 wherein: the first elastic arm and the second elastic arm are not overlapped with each other in the buffer opening, and the first elastic arm and the second elastic arm are coiled around the connecting piece for at least 250 degrees.

6. The linear oscillation motor of claim 5 wherein: the first elastic arm and the second elastic arm are arranged in a central symmetry mode.

7. The linear oscillation motor of claim 6 wherein: and a connector is formed on the connecting piece, and the sliding piece and the bearing plate are connected with the corresponding connector through spot welding.

8. The linear oscillation motor of claim 1, wherein: the sliding part is arranged to be flat, a through groove is formed in the sliding part, the magnetic steels are two, and the two pieces of magnetic steels are clamped in the through groove in parallel and are arranged in a reverse direction.

9. The linear oscillation motor of claim 1, wherein: the sliding part and the output shaft are arranged in a split mode, the sliding part penetrates out of the connecting port, an inserting port is formed in the connecting end of the output shaft and the sliding part, and the inserting port is in inserting fit with the sliding part and then is welded to form fixed connection of the output shaft and the sliding part.

10. The linear oscillation motor of claim 1, wherein: the E-shaped iron core comprises a base part, a first positioning part, a second positioning part and a third positioning part, wherein the first positioning part, the second positioning part and the third positioning part are arranged on the base part at intervals, the second positioning part is arranged between the first positioning part and the third positioning part, and the winding is arranged on the second positioning part.

11. The linear oscillation motor of claim 10 wherein: the iron core positioning device is characterized in that a positioning groove is formed in the shell, the E-shaped iron core base is clamped in the positioning groove, the base is fixed with the positioning groove in a spot welding mode, mounting grooves are formed in two sides of the positioning groove in the shell, and the mounting grooves are communicated with the positioning groove.

12. The linear oscillation motor of claim 4 wherein: the casing is provided with the joint groove corresponding to the leaf spring position, be provided with the protruding muscle in location on the leaf spring support ring periphery wall, the protruding muscle in location forms the fixed of leaf spring in the casing with joint groove joint.