WO2014024659A1 - 電磁ソレノイド - Google Patents

電磁ソレノイド Download PDF

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Publication number
WO2014024659A1
WO2014024659A1 PCT/JP2013/069594 JP2013069594W WO2014024659A1 WO 2014024659 A1 WO2014024659 A1 WO 2014024659A1 JP 2013069594 W JP2013069594 W JP 2013069594W WO 2014024659 A1 WO2014024659 A1 WO 2014024659A1
Authority
WO
WIPO (PCT)
Prior art keywords
receiving member
plunger
shock absorbing
absorbing material
impact
Prior art date
Application number
PCT/JP2013/069594
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
輝英 山西
保男 寺田
真輝 日名子
一夫 藤原
洋 小岩
俊 四戸
俊樹 小笠原
剛資 大野
Original Assignee
本田技研工業株式会社
株式会社ミクニ
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 本田技研工業株式会社, 株式会社ミクニ filed Critical 本田技研工業株式会社
Priority to BR112015002925-6A priority Critical patent/BR112015002925B1/pt
Priority to CN201380042566.4A priority patent/CN104541340B/zh
Publication of WO2014024659A1 publication Critical patent/WO2014024659A1/ja
Priority to IN1239DEN2015 priority patent/IN2015DN01239A/en

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/088—Electromagnets; Actuators including electromagnets with armatures provided with means for absorbing shocks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F7/00—Magnets
    • H01F7/06—Electromagnets; Actuators including electromagnets
    • H01F7/08—Electromagnets; Actuators including electromagnets with armatures
    • H01F7/16—Rectilinearly-movable armatures
    • H01F7/1607—Armatures entering the winding
    • H01F7/1615—Armatures or stationary parts of magnetic circuit having permanent magnet

Definitions

  • the present invention relates to an electromagnetic solenoid in which a plunger moves by excitation of an excitation coil.
  • the plunger In the electromagnetic solenoid, generally, the plunger is protruded by the excitation of the exciting coil, and when the exciting coil is demagnetized, the plunger is pushed to the original position by biasing means such as a spring or an external load.
  • biasing means such as a spring or an external load.
  • the fixing member stopper
  • the plunger and the fixing member are generally made of metal, so when the plunger collides with the fixing member, a metallic noise is generated.
  • an elastomeric buffer member is provided at both opposing collision portions of the plunger and the fixing member (stopper), and the shock absorbing member absorbs the impact due to the collision and the collision sound is generated. It is reduced. Further, in this electromagnetic solenoid, the shock absorbing member absorbs the impact by elastically deforming the plunger which is pushed in, thereby absorbing the impact, and after the elastic deformation of the shock absorbing member is elastically restored, the plunger is returned to the original position. It will be returned to the predetermined position.
  • the fixing member is movably provided with a receiving member that receives the collision of the plunger, and the receiving member is biased by a biasing means such as a spring to absorb the impact caused by the collision of the plunger by the biasing member.
  • a biasing means such as a spring to absorb the impact caused by the collision of the plunger by the biasing member.
  • the receiving member may hit part of the fixing member and a collision noise may occur.
  • the present invention has been made in view of the above circumstances, and provides an electromagnetic solenoid capable of reducing the collision noise generated due to the collision of the plunger and stopping the plunger at a predetermined position with high accuracy.
  • the purpose is that.
  • a movable yoke provided with a fixed portion in a fixed state inside a cylindrical coil portion and to which a plunger extending in the axial direction of the coil portion is attached is The movable yoke is moved forward along the axial direction of the coil portion, and the excitation of the coil portion advances the movable yoke together with the plunger away from the fixed portion, and the movable yoke is moved together with the plunger by demagnetization of the coil portion.
  • the fixed portion includes impact absorbing means for absorbing an impact when the plunger retracts with the movable yoke and collides with the fixed portion
  • the impact absorbing means is provided movably in the axial direction in an accommodating portion provided in the inside of the fixed portion, and a receiving member which recedes with the plunger upon receiving a collision of the plunger, and the accommodating portion.
  • a shock absorbing material is provided between the receiving member and an opposing surface formed in the housing portion and facing in a direction in which the receiving member retracts.
  • the impact is absorbed by retracting the plunger against the biasing force of the biasing member together with the receiving member. Collision noise is reduced. Further, since the buffer material is provided between the receiving member and the opposing surface formed in the housing portion and facing in the direction in which the receiving member retracts, the retracted receiving member does not collide with the opposing surface. The shock absorbing material reduces the collision noise. Therefore, the collision sound generated due to the collision of the plunger can be reduced.
  • the biasing member advances the plunger together with the plunger, but the restricting portion regulates its advancement, so that the plunger returns to a predetermined position and can be accurately positioned and stopped.
  • the stroke amount can be maintained constant.
  • the shock absorbing material is attached to the receiving member, and a gap is provided between the shock absorbing material and an inner wall surface along the moving direction of the receiving member of the accommodating portion. desirable.
  • the shock absorbing material since the shock absorbing material is attached to the receiving member, the shock absorbing material can be easily incorporated by accommodating the receiving member in the receiving portion of the fixed portion.
  • a gap is provided between the shock absorbing material and the inner wall surface along the moving direction of the receiving member of the accommodating portion, even if the shock absorbing material moves with the receiving member, the shock absorbing material interferes with the inner wall surface. There is no Therefore, the movement of the receiving member is smooth and the shock absorbing material is not damaged by the friction with the inner wall surface.
  • the shock absorbing material may be provided in the opposite side.
  • the cushioning material is not in contact with the biasing member.
  • the shock absorbing material since the shock absorbing material is in contact with the biasing member, the shock absorbing material and the biasing member do not interfere with each other. Therefore, the spring is not affected by the shock absorbing material, and the movement of the receiving member becomes smooth.
  • the impact is absorbed by the plunger retreating against the biasing force of the biasing member together with the receiving member, and the receding receiving member has the opposite surface.
  • the shock absorbing material reduces the collision noise without causing the collision.
  • the receiving member, which has once retreated is advanced together with the plunger by the biasing member, the advancing portion is restricted by the restricting portion, so that the plunger can return to a predetermined position and be accurately positioned and stopped. Therefore, the collision noise generated due to the collision of the plunger can be reduced, and the plunger can be always stopped at the predetermined position with high accuracy.
  • FIG. 1 is a cross-sectional view of a first embodiment of an electromagnetic solenoid according to an embodiment of the present invention. It is an expanded sectional view of a fixed part equally. It is a flowchart for explaining the operation of the electromagnetic solenoid according to the first embodiment.
  • fixed part which comprises the electromagnetic solenoid which concerns on the other embodiment of this invention is shown, (a) is sectional drawing of the fixing
  • FIG. 16F is a cross-sectional view of the fixing portion, FIG. 27F is a cross-sectional view of the fixing portion in the seventh embodiment, and FIG.
  • FIG. 1 is a cross-sectional view showing an electromagnetic solenoid according to a first embodiment of the present invention
  • FIG. 2 is an enlarged cross-sectional view of a fixing portion of the electromagnetic solenoid.
  • This electromagnetic solenoid is used, for example, to operate a fuel lever of a diesel internal combustion engine in a stopping direction to automatically shut down the engine, or to automatically perform reverse select locking in a four-wheeled manual transmission vehicle. It is.
  • the electromagnetic solenoid includes a plunger guide portion 11 and a fixed portion 12 which also serve as a yoke, a movable yoke 15 and a coil portion 16.
  • the plunger guide portion 11 and the fixed portion 12 are disposed to face each other in the direction of the axis O, and the movable yoke 15 having the cylindrical portion 15a is movable along the axial direction on the outer periphery of the fixed portion 12 It is provided.
  • a cylindrical coil portion 16 is provided on the outer peripheral side of the cylindrical portion 15 a and on the outer peripheral side of the plunger guide portion 11.
  • the fixed portion 12 and the plunger guide portion 11 are provided in a fixed state inside the cylindrical coil portion 16, and the movable yoke 15 is provided movably along the axial direction of the coil portion 16. .
  • the coil portion 16 moves the movable yoke 15 along the axis O, and includes a bobbin 16a and a coil 16b wound around the bobbin 16a.
  • Each of these members (the plunger guide portion 11, the fixed portion 12, the movable yoke 15, and the coil portion 16) is basically formed in rotational symmetry, that is, the cross section is formed in a circular shape and accommodated in the cylindrical housing 30 There is.
  • the movable yoke 15 advances so as to leave the fixed part 12 by excitation (ON state) of the coil part 16 by energization to the coil 16b, and retracts so as to approach the fixed part 12 by demagnetization (OFF state) of the coil part 16. It is supposed to In FIG. 1, the movable yoke 15 is moved to the plunger guide 11 side on the left side of the axis line O (ON state), and the movable yoke 15 is positioned on the fixed part 12 side on the right side of the axis line O OFF state is shown.
  • the movable yoke 15 is formed in a cup shape (a cylindrical shape with a bottom) by a cylindrical portion 15a extending along the direction of the axis O and a bottom portion 15b formed at the lower end of the cylindrical portion 15a. At the central portion, a convex portion 15c protruding upward is formed. A through hole penetrating to the lower surface of the bottom portion 15b is formed in the convex portion 15c. The tip of the plunger 20 is inserted into and fixed to the through hole. Further, the tip end portion of the plunger 20 protrudes upward from the convex portion 15 c.
  • the plunger 20 moves along the axis O together with the movable yoke 15. Further, a through hole 11a is formed in the plunger guide portion 11 along the axis O, and the plunger 20 is movably inserted into the through hole 11a via the two bearings 17 and 17. The tip of the plunger 20 is movable It is fixed to the yoke 15.
  • a ring-shaped bowl-shaped portion 21 is provided on the outer peripheral portion of the plunger guide portion 11, and the lower end portion of the housing 30 is engaged with the outer peripheral portion of the bowl-shaped portion 21.
  • the fixing portion 12 is formed by integrally forming the collar-like portion 22 at the upper end portion thereof, and the shock absorbing means 31 is provided inside the fixing portion 12. .
  • the impact absorbing means 31 absorbs an impact when the plunger 20 retracts with the movable yoke 15 and collides with the fixed portion 12 and is configured as follows. That is, first, the housing portion 32 is formed inside the fixed portion 12.
  • the housing portion 32 is formed in a substantially cylindrical shape, and the lower end is opened and the upper end is closed.
  • the housing portion 32 includes a cylindrical first housing portion 32a, and a second housing portion 32b coaxially formed with the first housing portion 32a at the upper end of the first housing portion 32a.
  • the diameter 32 b is smaller than that of the first accommodation portion 32 a.
  • a cylindrical large diameter portion 33 is formed coaxially with the first accommodation portion 32a on the lower end side of the first accommodation portion 32a.
  • the convex portion 15 c of the movable yoke 15 is accommodated in the large diameter portion 33 when the movable yoke 15 is retracted.
  • a receiving member 35 is provided movably in the direction of the axis (O) in the first accommodating portion 32a.
  • the receiving member 35 receives the collision of the plunger 20 which is retracted with the movable yoke 15, and retracts with the plunger 20, and is formed in a substantially cylindrical shape.
  • the receiving member 35 has a main body portion 35a axially slidable on the inner wall surface of the first housing portion 32a, a small diameter portion 35b formed on the upper end surface of the main body portion 35a with a smaller diameter than the main body portion 35a, and the small diameter portion A shaft 35c formed on the upper end face of the part 35b at a smaller diameter than the small diameter part 35b, and a receiving part 35d formed on the lower end face of the main body 35a at a smaller diameter than the main body 35a and receiving the collision of the plunger 20 Have.
  • the shaft portion 35c is accommodated in the second accommodation portion 32b, and a spring 36 as an urging member for urging the receiving member 35 in the forward direction (downward in FIG. 1) to the second accommodation portion 32b is the shaft. It accommodates so that the outer peripheral side of the part 35c may be enclosed.
  • the spring 36 is accommodated in a compressed state, the upper end of which is in contact with the upper surface of the second accommodation portion 32b, and the lower end of which is in contact with the upper peripheral portion of the small diameter portion 35b.
  • a regulation portion 37 is provided at the lower end portion of the first accommodation portion 32a.
  • the restricting portion 37 restricts the advancing receiving member 35 at a predetermined position to restrict further advancing.
  • the restricting portion 37 is formed of a ring-shaped plate, and is fixed by being fitted into an annular recess formed in the inner wall surface of the lower end portion of the first accommodating portion 32a.
  • the receiving portion 35d of the receiving member 35 is inserted into the inside of the restricting portion 37, and the tip (the lower end in FIG. 1) of the receiving portion 35 protrudes downward from the restricting portion 37.
  • the plunger 20 can collide with the receiving portion 35d.
  • the upper surface of the first accommodating portion 32a of the accommodating portion 32 is an opposing surface 38 which faces in the direction in which the receiving member 35 retreats (upward in FIG. 1).
  • the shock absorbing material 40 is provided between the receiving member 35 and the opposing surface 38.
  • the shock absorbing material 40 absorbs an impact when the main body 35 a of the receiving member 35 collides with the opposing surface 38, and is made of, for example, a ring-shaped rubber.
  • the ring-shaped cushioning material 40 is mounted on the outer peripheral surface of the small diameter portion 35 b of the receiving member 35 and is provided in contact with the upper surface of the main body portion 35 a.
  • a predetermined gap S is provided between the shock absorbing material 40 and the inner wall surface of the first housing portion (the inner wall surface along the moving direction of the receiving member).
  • the vertical length of the shock absorbing material 40 is determined such that the gap between the shock absorbing material 40 and the opposing surface 38 is the shaft portion of the receiving member 35 in a state where the receiving member 35 advances and contacts the regulating portion 37. It is set to be smaller than the gap between 35 c and the upper surface 38 a of the second accommodation portion 32 b. Therefore, when the receiving member 35 retracts (moves upward in FIG. 2), the shock absorbing material 40 collides with the opposing surface 38 to prevent further retraction of the receiving member 35, so the shaft portion 35c is the second accommodating portion Do not collide with the top of 32b.
  • the shock absorbing material 40 is mounted on the outer peripheral surface of the small diameter portion 35b of the receiving member 35, while the lower end of the spring 36 is in contact with the upper end surface of the small diameter portion 35b. Therefore, the cushioning material 40 and the spring 36 are not in contact with each other.
  • FIG. 3A shows a state in which the movable yoke 15 is advanced to be separated from the fixed portion 12 by exciting the coil portion 16 (see FIG. 1).
  • the plunger 20 fixed to the movable yoke 15 advances with the movable yoke 15 and is separated from the fixed portion 12.
  • the receiving member 35 of the shock absorbing means 31 is urged in the forward direction (downward in FIG. 3) by the spring 36 and abuts on the restricting portion 37 so that the further forward movement is restricted.
  • the plunger 20 is pushed by an external load (not shown) and retreats toward the fixed portion 12 together with the movable yoke 15
  • the plunger 20 collides with the receiving portion 35 d of the receiving member 35.
  • the plunger 20 is retracted together with the receiving member 35 against the biasing force of the spring 36, whereby the impact is absorbed and the collision noise is reduced.
  • the receiving member 35 is pushed back by the plunger 20, but since the shock absorbing material 40 is provided on the upper surface of the main body portion 35a of the receiving member 35, this buffer The material 40 collides with the facing surface 38. Therefore, the shock absorbing material 40 reduces the collision noise without the receding receiving member 35 colliding with the opposing surface 38.
  • the receiving member 35 once retracted is pushed in the forward direction by the biasing force of the spring 36 and advances with the plunger 20, but the main body 35a of the receiving member 35 As the lower surface of the plunger hits and the forward movement thereof is restricted by the restricting portion 37, the plunger 20 returns to the predetermined position and stops.
  • the plunger 20 when the coil portion 16 is demagnetized, the plunger 20 is pushed by the external load, and is retracted so as to approach the fixed portion 12 together with the movable yoke 15.
  • the plunger 20 When colliding with the receiving portion 35d, the plunger 20 is retracted together with the receiving member 35 against the biasing force of the spring 36, whereby the impact is absorbed and the collision noise is reduced.
  • the shock absorbing material 40 is attached to the receiving member 35, that is, the shock absorbing material 40 is provided between the receiving member 35 and the facing surface 38, the receding receiving member 35 has the facing surface 38.
  • the shock absorbing material 40 reduces the collision noise without causing a collision. Therefore, the collision noise generated due to the collision of the plunger 20 can be reduced.
  • the collision noise of the electromagnetic solenoid without both of the shock absorbing means 31 having the receiving member 35 and the spring 36 and the shock absorbing material 40 is about 74 dB, and the electromagnetic solenoid comprising only the shock absorbing means 31.
  • the impact noise of the electromagnetic solenoid having both the impact absorbing means 31 and the shock absorbing material 40 was about 50 dB, and it was confirmed that the impact noise was significantly reduced.
  • the receiving member 35 which has once retreated is advanced together with the plunger 20 by the biasing force of the spring 36, but its advancement is restricted by the restricting part 37, so that the plunger 20 returns to a predetermined position and can be accurately positioned and stopped. Therefore, the stroke amount of the plunger 20 can be always maintained constant.
  • the shock absorbing material 40 is attached to the small diameter portion 35b of the receiving member 35, and a gap is provided between the shock absorbing material 40 and the inner wall surface of the first accommodation portion 32a. Even if it moves with the member 35, the shock absorbing material 40 does not interfere with the inner wall surface. Therefore, the movement of the receiving member 35 is smooth and the shock absorbing material 40 is not damaged by the friction with the inner wall surface.
  • the shock absorbing material 40 is attached to the receiving member 35, by accommodating the receiving member 35 in the housing portion 32 of the fixed portion 12, the shock absorbing material 40 can be easily incorporated. Furthermore, the shock absorbing material 40 is mounted on the outer peripheral surface of the small diameter portion 35b of the receiving member 35, the lower end of the spring 36 is in contact with the upper end surface of the small diameter portion 35b, and the shock absorbing material 40 and the spring 36 are in contact. Because the shock absorber 40 and the spring 36 do not interfere with each other. Therefore, the spring 36 is not affected by the shock absorbing material 40, and the movement of the receiving member 35 becomes smooth.
  • FIGS. 4 (a) to 4 (g) are cross-sectional views showing other embodiments of the present invention.
  • the electromagnetic solenoid in the other embodiment shown in these figures differs from the electromagnetic solenoid in the first embodiment in the receiving member provided inside the fixed portion 12, the spring (biasing member),
  • the configuration and the arrangement position of the buffer material and the like, and the other components are the same as those of the first embodiment, and therefore the same components are denoted by the same reference numerals and the description thereof will be omitted.
  • the parts other than the fixing part 12 are the same as those of the first embodiment, so only the fixing part 12 is shown in FIGS. 4 (a) to 4 (g).
  • the shock absorbing material 41 is provided on the upper surface 38 a of the second accommodation portion 32 b of the fixed portion 12.
  • the upper surface 38 a is one of the facing surfaces 38 a facing in the backward direction of the receiving member 35.
  • the housing portion 32 is provided with the facing surface 38.
  • the buffer material 41 is formed in a substantially cylindrical shape, includes a large diameter portion 41a and a small diameter portion 41b, and a neck portion is formed between the large diameter portion 41a and the small diameter portion 41b.
  • a shock absorbing material 41 is provided to face the shaft portion 35 c of the receiving member 35 with the small diameter portion 41 b.
  • the diameter of the small diameter portion 41 b is larger than that of the shaft portion 35 c of the receiving member 35.
  • the upper end of the spring 36 is locked to the neck portion of the shock absorbing material 41.
  • the length of the cushioning material 41 in the vertical direction is determined by the gap between the cushioning material 41 and the shaft portion 35c of the reception member 35 in a state where the reception member 35 advances and abuts on the regulation portion 37. It is set so as to be smaller than the gap between the main body 35 a of 35 and the facing surface 38.
  • the shaft portion 35 c collides with the shock absorbing material 41 without the main body 35 a colliding with the opposing surface 38 in the receding receiving member 35, and the shock absorbing material 41 reduces the collision noise. Be done.
  • the shock absorbing material 41 is provided on the facing surface 38 a and is not attached to the receiving member 35, the movement of the receiving member 35 is smooth.
  • the cushioning material 42 is provided on the upper surface of the second accommodation portion 32b of the fixed portion 12 as in the second embodiment.
  • the portion 32 c is formed, and the shock absorbing material 42 is fitted into the convex portion 32 c.
  • the cushioning material 42 is formed in a cylindrical shape, and a concave portion is formed on the upper end surface thereof, and the concave portion is fitted to the convex portion 32 c.
  • the length of the cushioning material 42 in the vertical direction is determined by the gap between the cushioning material 42 and the shaft portion 35c of the reception member 35 in a state where the reception member 35 advances and abuts on the regulation portion 37. It is set so as to be smaller than the gap between the main body 35 a of 35 and the facing surface 38.
  • the shaft member 35 c collides with the shock absorbing material 42 without the main body 35 a colliding with the opposing surface 38 in the retracted receiving member 35.
  • the shock absorbing material 42 reduces the collision noise.
  • the shock absorbing material 42 is fitted into the convex portion 32 c, the shock absorbing material 42 can be easily positioned and attached.
  • the cushioning material 43 is provided on the upper surface 38a of the second accommodation portion 32b of the fixed portion 12 as in the second embodiment.
  • the cushioning material 43 is formed in a disk shape thinner than the cushioning material 41.
  • the upper end of the spring 36 is in contact with the surface of the shock absorbing material 43.
  • the thickness of the shock absorbing material 43 is such that the gap between the shock absorbing material 43 and the shaft portion 35 c of the receiving member 35 is the main body of the receiving member 35 in a state where the receiving member 35 advances and contacts the regulating portion 37. It is set to be smaller than the gap between the portion 35 a and the facing surface 38. According to such a configuration, the same effect as that of the second embodiment can be obtained.
  • the shock absorbing material 44 is attached to the shaft 35 c of the receiving member 35.
  • the cushioning material 44 is formed in a cylindrical shape, and a concave portion is formed on the lower end surface thereof, and the concave portion is fitted to the shaft portion 35c.
  • the upper surface (facing surface) 38 a of the second accommodation portion 32 b is one of the facing surfaces facing in the backward direction of the receiving member 35.
  • the length of the cushioning material 44 in the vertical direction is determined by the gap between the cushioning material 44 and the opposing surface 38 a in the main body portion of the cushioning member 35 in a state where the cushioning member 35 advances and contacts the regulating portion 37. It is set to be smaller than the gap between 35 a and the facing surface 38.
  • the buffer member 44 attached to the shaft portion 35c collides with the opposing surface 38a without the main body portion 35a colliding with the opposing surface 38, and the receding receiving member 35 collides with the opposing surface 38a.
  • the shock absorbing material 44 reduces the collision noise.
  • the cushioning material 45 is attached to the shaft portion 35c of the receiving member 35 as in the fifth embodiment. It differs from the embodiment. That is, the shock absorbing material 45 has a mounting shaft 45a on its lower surface. On the other hand, a mounting hole is formed in the shaft portion 35c, and the mounting shaft 45a is inserted into the mounting hole. Thereby, the shock absorbing material 45 is attached to the shaft 35 c of the receiving member 35. According to such a configuration, the effect can be obtained as in the fifth embodiment.
  • the cushioning material 46 is formed in a ring shape.
  • the shaft portion 35c of the receiving member 35 is. It is formed to be shorter than the shaft portion 35c in the first to sixth embodiments, and a shock absorbing material 46 is attached to the outer peripheral surface of the shaft portion 35c.
  • a predetermined gap is provided between the cushioning material 46 and the inner wall surface of the second accommodation portion 32b. The vertical length of the shock absorbing material 46 is determined by the gap between the shock absorbing material 46 and the opposing surface 38 a and the main body 35 a of the receiving member 35 in a state where the receiving member 35 advances and abuts against the restricting portion 37.
  • a recess is formed in the shaft portion 35c, and a spring 36a as a biasing member is inserted into the recess, and an upper end portion of the spring 36a is in contact with the opposing surface 38a.
  • the buffer member 46 attached to the shaft 35c collides with the opposing surface 38a without the main body 35a colliding with the opposing surface 38, and the receding receiving member 35 collides with the opposing surface 38a.
  • the shock absorbing material 46 reduces the collision noise.
  • the cushioning material 47 is mounted on the outer peripheral portion of the small diameter portion 35b of the receiving member 35 as in the first embodiment.
  • an annular outer flange 48a is formed on the outer peripheral portion of the small diameter portion 35b.
  • the cushioning material 47 is formed at its lower portion with an inner flange 48 b which protrudes in an annular manner inward.
  • the shock absorbing material 47 is mounted on the outer peripheral portion of the small diameter portion 35 b of the receiving member 35 by fitting the inner flange 48 b below the outer flange 48 a.
  • the length of the cushioning material 47 in the vertical direction is such that the gap between the cushioning material 47 and the opposing surface 38 is the shaft portion of the reception member 35 in a state where the reception member 35 advances and contacts the restriction portion 37 It is set to be smaller than the gap between 35 c and the upper surface 38 a of the second accommodation portion 32 b.
  • the same effect as that of the first embodiment can be obtained, and moreover, the shock absorbing material 47 can be firmly attached to the receiving member 35.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electromagnets (AREA)
PCT/JP2013/069594 2012-08-10 2013-07-19 電磁ソレノイド WO2014024659A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
BR112015002925-6A BR112015002925B1 (pt) 2012-08-10 2013-07-19 Solenoide eletromagnético
CN201380042566.4A CN104541340B (zh) 2012-08-10 2013-07-19 电磁螺线管
IN1239DEN2015 IN2015DN01239A (pt) 2012-08-10 2015-02-16

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2012-177819 2012-08-10
JP2012177819A JP5890276B2 (ja) 2012-08-10 2012-08-10 電磁ソレノイド

Publications (1)

Publication Number Publication Date
WO2014024659A1 true WO2014024659A1 (ja) 2014-02-13

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PCT/JP2013/069594 WO2014024659A1 (ja) 2012-08-10 2013-07-19 電磁ソレノイド

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JP (1) JP5890276B2 (pt)
BR (1) BR112015002925B1 (pt)
IN (1) IN2015DN01239A (pt)
WO (1) WO2014024659A1 (pt)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2016132467A1 (ja) * 2015-02-18 2016-08-25 株式会社ミクニ 電磁ソレノイド
EP3121946A4 (en) * 2014-03-17 2017-08-23 Nidec Sankyo Corporation Linear actuator
WO2019197231A1 (de) 2018-04-10 2019-10-17 Bayer Aktiengesellschaft Verfahren zur herstellung von substituierten cyclohexanaminosäureestern und spiroketalsubstituierten cyclischen ketoenolen
FR3145643A1 (fr) * 2023-02-02 2024-08-09 Safran Electronics & Defense Actionneur électromagnétique monostable et procédé de fabrication d’un tel actionneur

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JP5890276B2 (ja) 2016-03-22
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JP2014036180A (ja) 2014-02-24
BR112015002925A2 (pt) 2018-05-22

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