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CN119145716B - Electromagnet bolt device with simple buffer end structure - Google Patents

Electromagnet bolt device with simple buffer end structure Download PDF

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Publication number
CN119145716B
CN119145716B CN202411668460.1A CN202411668460A CN119145716B CN 119145716 B CN119145716 B CN 119145716B CN 202411668460 A CN202411668460 A CN 202411668460A CN 119145716 B CN119145716 B CN 119145716B
Authority
CN
China
Prior art keywords
buffer
permanent magnet
insulating sleeve
rod body
cover
Prior art date
Legal status (The legal status 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 status listed.)
Active
Application number
CN202411668460.1A
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Chinese (zh)
Other versions
CN119145716A (en
Inventor
温涛
赵天新
柏足西
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Changzhou Maite Motion Co ltd
Original Assignee
Changzhou Maite Motion Co ltd
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 Changzhou Maite Motion Co ltd filed Critical Changzhou Maite Motion Co ltd
Priority to CN202411668460.1A priority Critical patent/CN119145716B/en
Publication of CN119145716A publication Critical patent/CN119145716A/en
Application granted granted Critical
Publication of CN119145716B publication Critical patent/CN119145716B/en
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Classifications

    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/02Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means
    • E05B47/026Movement of the bolt by electromagnetic means; Adaptation of locks, latches, or parts thereof, for movement of the bolt by electromagnetic means the bolt moving rectilinearly
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B15/00Other details of locks; Parts for engagement by bolts of fastening devices
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B17/00Accessories in connection with locks
    • E05B17/0041Damping means
    • EFIXED CONSTRUCTIONS
    • E05LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05BLOCKS; ACCESSORIES THEREFOR; HANDCUFFS
    • E05B47/00Operating or controlling locks or other fastening devices by electric or magnetic means
    • E05B47/0001Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof
    • E05B47/0002Operating or controlling locks or other fastening devices by electric or magnetic means with electric actuators; Constructional features thereof with electromagnets

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)

Abstract

The invention discloses an electromagnet bolt device with a simple buffering end structure, which comprises a rod body, an outer decoration cover, a first end cover, a limiting screw block, a second end cover, a sealing ring piece, an insulating sleeve, a strip-shaped guide hole, a permanent magnet, a stopping guide rod, an iron block, a permanent magnet accommodating frame, a buffering gasket, a buffering contact convex end part and an electromagnetic coil. The invention has the advantages that the elastic buffer strength is enhanced through the buffer contact convex end part arranged on the buffer gasket, the impact strength of the end part of the movable structure to the end part of the fixed structure is reduced, the effects of low noise and durability are achieved, the buffer gasket is small in installation occupation space, the use of a spring is replaced, the problem that the spring structure is large in installation occupation space and large in abnormal sound exists due to long-term expansion is solved, and the problem that the force application effect between the permanent magnet and the electromagnetic coil on the rod body is invalid after sudden power failure and the loosening, movement and separation of the action structure part are solved through the iron block at the outer end of the stop guide rod and the close permanent magnet.

Description

Electromagnet bolt device with simple buffer end structure
Technical Field
The invention relates to the technical field of electromagnet application, in particular to an electromagnet bolt device with a simple buffering end structure.
Background
The electromagnet bolt device is widely used in the fields of automatic intelligent door locks and the like. The existing electromagnet bolt device has the problem that an internal moving structure collides with an end structure in the long-term use process, and generally, a spring structure is used as a part for buffering collision, but the spring has a telescopic quantity, the installation occupation space is large, the whole structure is not beneficial to miniaturization, meanwhile, the spring performance is reduced due to the increase of the use frequency and the looseness of the installation position, and abnormal sound is easily generated in the telescopic process of the spring. Therefore, an electromagnet bolt device with a simple buffer end structure is provided for solving the problems.
Disclosure of Invention
The invention aims to solve the problems and provide an electromagnet bolt device with a simple buffer end structure.
The electromagnet bolt device with the simple buffer end structure comprises a rod body, an insulating sleeve, permanent magnets and electromagnetic coils, wherein the electromagnetic coils are positioned in the insulating sleeve, the rod body part positioned in the insulating sleeve is fixedly connected with the middle part of the electromagnetic coils, the permanent magnets are arranged in two permanent magnet accommodating frames symmetrically positioned in the middle part of the insulating sleeve, buffer gaskets are arranged in ports at two ends of the insulating sleeve, buffer contact convex end parts are distributed around a hole structure in the middle part of the buffer gaskets, two ends of the electromagnetic coils are respectively contacted with the corresponding two buffer contact convex end parts through movement, and the electromagnetic coils consist of a plurality of equal independent coil parts;
The buffer contact convex end part is formed by separation gaps distributed around a hole structure positioned in the middle of the buffer gasket, an included angle between a plane part and an inclined plane part of the buffer contact convex end is 120 degrees, a stop guide rod part positioned at the inner sides of two ends of the electromagnetic coil is in sliding contact with the inner wall of the strip-shaped guide hole, and an iron block is arranged on the side wall of the outer end of the stop guide rod.
Preferably, two strip-shaped guide holes are formed, and the two strip-shaped guide holes are symmetrically formed on the surface of the insulating sleeve.
Preferably, the shape specification of the permanent magnet accommodating frame is matched with the shape specification of the permanent magnet.
Preferably, the end parts of the two ends of the insulating sleeve are respectively provided with a first end cover and a second end cover, and the first end cover and the second end cover are respectively arranged in the end ports of the two ends of the outer decorative cover.
Preferably, the shape of the outer cover is not limited to one of circular tube shapes, and the matching shape of the outer cover depends on the shape formed by combining the insulating sleeve and the permanent magnet accommodating frame.
Preferably, the inner side surface of the first end cover and the inner side surface of the second end cover are respectively contacted with one side edge of the corresponding buffer gasket, and sealing ring elements are arranged in holes at one end part of the end cover and holes in the middle part of the second end cover.
Preferably, the inner annular wall of the sealing ring is in sliding sealing contact with the corresponding part of the rod body.
Preferably, a limit screw block is arranged at one end of the rod body in a threaded manner.
The beneficial effects of the invention are as follows:
The buffer contact convex end parts are arranged through the buffer gaskets, and the included angle between the plane part and the inclined plane part of each buffer contact convex end part is 120 degrees, so that the elastic buffer strength is enhanced, the impact strength of the movable structure end part to the fixed structure end part is lightened, the effects of low noise and durability are achieved, the buffer gaskets are small in installation occupation space, the use of springs is replaced, and the problems that the spring structure installation occupation space is large and abnormal sound exists in long-term extension are solved;
The outer end of one stop guide rod is close to the permanent magnet, the outer end of the other stop guide rod is far away from the permanent magnet, and the iron block at the outer end of the stop guide rod is combined with the close permanent magnet to be attracted together, so that the effect of secondary positioning and fixing after the rod body moves is achieved, and the problem that the effect of force application between the permanent magnet and the electromagnetic coil on the rod body is invalid after sudden power failure and a loosening, movement and separation action structure part exists is solved;
the stop guide rod made of insulating materials is fixedly connected with the end part corresponding to the electromagnetic coil, and is combined with the stop guide rod to slide and be positioned in the strip-shaped guide hole, so that the free rotation of the rod body connected with the electromagnetic coil is effectively limited, the radial friction between the rod body and the sealing ring piece is further prevented, and the sealing effectiveness of the sealing ring piece is ensured.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a perspective view of the overall structure of the present invention;
FIG. 2 is a partial schematic view of the overall internal structure of the present invention;
FIG. 3 is a schematic diagram of the distributed connection structure of the rod body, the permanent magnet and the electromagnetic coil;
FIG. 4 is a schematic view of a cushion pad according to the present invention;
FIG. 5 is a schematic view of the connection structure of the insulating sleeve and the permanent magnet according to the present invention;
Fig. 6 is a front view showing a connection structure of a rod body and a solenoid coil according to the present invention.
The device comprises a rod body, an outer decorative cover, an end cover I, a limit screw block I, an end cover II, a seal ring element I, an insulating sleeve I, a 701, a strip-shaped guide hole I, a permanent magnet I, a9, a stop guide rod I, a 10, an iron block I, a 11, a permanent magnet accommodating frame I, a 12, a buffer gasket I, a 1201, a buffer contact convex end part I and a 13, and an electromagnetic coil I.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is apparent that the embodiments described below are only some embodiments of the present invention, not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The technical scheme of the invention is further described below by the specific embodiments with reference to the accompanying drawings.
In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
Referring to fig. 1-6, an electromagnet bolt device with a simple buffer end structure comprises a rod body 1, an insulating sleeve 7, a permanent magnet 8 and an electromagnetic coil 13 positioned in the insulating sleeve 7, wherein the rod body 1 positioned in the insulating sleeve 7 is fixedly connected with the middle part of the electromagnetic coil 13, the permanent magnet 8 is arranged in two permanent magnet accommodating frames 11 symmetrically positioned in the middle part of the insulating sleeve 7, and the electromagnetic coil 13 consists of a plurality of equal independent coil parts;
As shown in fig. 3, the two sides of the permanent magnet 8 are respectively N pole and S pole, and the electromagnetic coil 13 forms the N pole and S pole relative to the permanent magnet 8 by changing the direction of the current, so that the rod body 1 connected with the electromagnetic coil 13 is pushed and pulled by utilizing the principle that the same-name magnetic poles repel each other and the different-name magnetic poles attract each other, and further the electromagnetic coil has the structure function of the plug-pull movement of the corresponding outer end of the rod body 1.
As shown in fig. 3 and fig. 4, buffer gaskets 12 are installed in the ports at both ends of the insulating sleeve 7, buffer contact convex end parts 1201 are distributed around the hole structure in the middle of the buffer gaskets 12, and both ends of the electromagnetic coil 13 are respectively contacted with the corresponding two buffer contact convex end parts 1201 by moving;
The buffer contact convex end 1201 is formed by a separation gap distributed around the hole structure in the middle of the buffer pad 12, and the included angle between the plane part and the inclined plane part of the buffer contact convex end is 120 °;
The material of the buffer gasket 12 is not limited to an elastic structure material, the buffer contact convex end parts 1201 arranged through the buffer gasket 12 are combined, the included angle between the plane part and the inclined plane part of each buffer contact convex end part 1201 is 120 degrees, the elastic buffer strength is enhanced, the impact strength of the movable structure end part to the fixed structure end part is lightened, the effects of low noise and durability are achieved, the buffer gasket 12 is small in installation occupation space, the use of a spring is replaced, the problem that the installation occupation space of the spring structure is large, and abnormal noise is large in long-term extension is solved.
As shown in fig. 2, 3 and 5, the parts of the stop guide rods 9 positioned at the inner sides of the two ends of the electromagnetic coil 13 are in sliding contact with the inner walls of the strip-shaped guide holes 701, iron blocks 10 are arranged on the side walls of the outer ends of the stop guide rods 9, the inner side surfaces of the first end cover 3 and the second end cover 5 are respectively in contact with one side edge of the corresponding buffer gasket 12, sealing ring pieces 6 are respectively arranged in the holes of the end part of the first end cover 3 and the middle part of the second end cover 5, and the inner ring walls of the sealing ring pieces 6 are in sliding sealing contact with the corresponding parts of the rod body 1;
The stop guide rod 9 made of insulating materials is fixedly connected with the corresponding end part of the electromagnetic coil 13, and is combined with the stop guide rod 9 to be partially and slidably positioned in the strip-shaped guide hole 701, so that the free rotation of the rod body 1 connected with the electromagnetic coil 13 is effectively limited, the radial friction between the rod body 1 and the sealing ring 6 is further prevented, and the sealing effectiveness of the sealing ring 6 is ensured;
under the action of the moving driving of the electromagnetic coil 13, the outer end of one stop guide rod 9 is close to the permanent magnet 8, the outer end of the other stop guide rod 9 is far away from the permanent magnet 8, and the iron block 10 at the outer end of the stop guide rod 9 is combined with the close permanent magnet 8 to be magnetically attracted together, because a space is reserved between the iron block 10 and the permanent magnet 8, the magnetic attraction strength between the iron block 10 and the permanent magnet 8 is far smaller than the magnetic attraction repulsive strength of the electromagnetic coil 13 to the permanent magnet 8, the secondary positioning and fixing effect after the rod body 1 moves is achieved, and the problem that the force application effect between the permanent magnet 8 and the electromagnetic coil 13 to the rod body 1 is invalid after sudden power failure and the loose play is separated from the action structure part is solved.
The two strip-shaped guide holes 701 are arranged, and the two strip-shaped guide holes 701 are symmetrically arranged on the surface of the insulating sleeve 7.
The shape specification of the permanent magnet accommodating frame 11 is matched with the shape specification of the permanent magnet 8, the shape of the outer decorative cover 2 is not limited to one round tube shape, and the matched shape of the outer decorative cover 2 depends on the shape formed by combining the insulating sleeve 7 and the permanent magnet accommodating frame 11, so as to meet the use requirements of market products with different structural shapes.
As shown in fig. 2, the end parts at two ends of the insulating sleeve 7 are respectively provided with an end cover first 3 and an end cover second 5, the end cover first 3 and the end cover second 5 are respectively installed in the end ports at two ends of the outer decorative cover 2, the inner side surface of the end cover first 3 and the inner side surface of the end cover second 5 are respectively contacted with one side edge of the corresponding buffer gasket 12, sealing ring pieces 6 are respectively installed in holes at the end part of the end cover first 3 and holes in the middle part of the end cover second 5, and the inner annular wall of the sealing ring pieces 6 is in sliding sealing contact with the corresponding part of the rod body 1, so that a protective structure is formed.
As shown in fig. 3, a limit screw 4 is screwed on one end of the rod body 1, so as to limit movement of one end of the rod body 1.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
While the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that the foregoing embodiments may be modified or equivalents may be substituted for some of the features thereof, and that the modifications or substitutions do not depart from the spirit and scope of the embodiments of the invention.

Claims (8)

1. The electromagnet bolt device with the simple buffer end structure is characterized by comprising a rod body (1), an insulating sleeve (7), permanent magnets (8) and electromagnetic coils (13) positioned in the insulating sleeve (7), wherein the parts of the rod body (1) positioned in the insulating sleeve (7) are fixedly connected with the middle part of the electromagnetic coils (13), the permanent magnets (8) are respectively arranged in two permanent magnet accommodating frames (11) symmetrically positioned in the middle part of the insulating sleeve (7), buffer gaskets (12) are respectively arranged in ports at two ends of the insulating sleeve (7), buffer contact convex end parts (1201) are distributed around a hole structure in the middle part of each buffer gasket (12), two ends of each electromagnetic coil (13) are respectively contacted with the corresponding two buffer contact convex end parts (1201) through movement, and each electromagnetic coil (13) consists of a plurality of equal independent coil parts;
The buffer contact convex end part (1201) is formed by separation gaps distributed around a hole structure in the middle of the buffer gasket (12), an included angle between a plane part and an inclined plane part of the buffer contact convex end is 120 degrees, a part of a stop guide rod (9) positioned at the inner sides of two ends of the electromagnetic coil (13) is in sliding contact with the inner wall of the strip-shaped guide hole (701), and an iron block (10) is arranged on the side wall of the outer end of the stop guide rod (9);
the two side surfaces of the permanent magnet (8) are respectively an N pole and an S pole, and the electromagnetic coil (13) forms the N pole and the S pole relative to the permanent magnet (8) by changing the direction of the current, so that the rod body (1) connected with the electromagnetic coil (13) is pushed and pulled.
2. The electromagnet bolt device with the simple buffer end structure of claim 1, wherein two strip-shaped guide holes (701) are formed, and the two strip-shaped guide holes (701) are symmetrically formed on the surface of an insulating sleeve (7).
3. The electromagnet bolt device with a simple buffer end structure according to claim 1, wherein the shape specification of the permanent magnet accommodating frame (11) is matched with the shape specification of the permanent magnet (8).
4. The electromagnet bolt device with the simple buffer end structure of claim 1, wherein the end parts of the two ends of the insulating sleeve (7) are respectively provided with a first end cover (3) and a second end cover (5), and the first end cover (3) and the second end cover (5) are respectively arranged in the end ports of the two ends of the outer decorative cover (2).
5. An electromagnet bolt apparatus with a simple buffer end structure according to claim 4, wherein the shape of the outer cover (2) is not limited to one round tube shape, and the matching shape of the outer cover (2) depends on the shape formed by combining the insulating bush (7) with the permanent magnet accommodating frame (11).
6. The electromagnet bolt device with the simple buffer end structure of claim 5, wherein the inner side surface of the first end cover (3) and the inner side surface of the second end cover (5) are respectively contacted with one side edge of the corresponding buffer gasket (12), and sealing ring pieces (6) are respectively arranged in holes at the end part of the first end cover (3) and in holes in the middle part of the second end cover (5).
7. The electromagnet bolt device with the simple buffer end structure of claim 6 is characterized in that the inner annular wall of the sealing ring (6) is in sliding sealing contact with the corresponding part of the rod body (1).
8. The electromagnet bolt device with the simple buffer end structure of claim 1 is characterized in that one end of the rod body (1) is provided with a limit screw block (4) in a threaded manner.
CN202411668460.1A 2024-11-21 2024-11-21 Electromagnet bolt device with simple buffer end structure Active CN119145716B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202411668460.1A CN119145716B (en) 2024-11-21 2024-11-21 Electromagnet bolt device with simple buffer end structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202411668460.1A CN119145716B (en) 2024-11-21 2024-11-21 Electromagnet bolt device with simple buffer end structure

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CN119145716A CN119145716A (en) 2024-12-17
CN119145716B true CN119145716B (en) 2025-01-28

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104916386A (en) * 2015-06-23 2015-09-16 哈尔滨工程大学 Axial cooling radial coil type parallel magnetic circuit electromagnet
CN109681041A (en) * 2019-01-15 2019-04-26 广东南帆智能家居有限公司 A kind of electromagnetic clutch

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JP3324145B2 (en) * 1992-07-31 2002-09-17 株式会社デンソー magnetic switch
US8212640B1 (en) * 2011-07-26 2012-07-03 Lockheed Martin Corporation Tool having buffered electromagnet drive for depth control
CN104485195B (en) * 2014-12-24 2017-03-15 常熟开关制造有限公司(原常熟开关厂) A kind of electric magnet with buffer structure
CN108418026B (en) * 2016-08-23 2019-07-16 河北银桥电力建设有限公司 A kind of cable connection instrument
JP2019090203A (en) * 2017-11-14 2019-06-13 株式会社ミツバ Fuel lid actuator
CN111350826A (en) * 2018-12-20 2020-06-30 宣城徽元材料科技有限公司 Telescopic electromagnet air switch
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CN114843065B (en) * 2022-07-01 2022-09-30 南通恒立机械设备有限公司 Double-push electromagnet damping mechanism
CN117637291B (en) * 2024-01-26 2024-04-02 深圳市东升源电气设备有限公司 Bistable permanent magnet mechanism, circuit breaker and switch cabinet
CN221805220U (en) * 2024-02-20 2024-10-01 芜湖伯特利汽车安全系统股份有限公司 An electromagnet assembly and a brake locking device having the same
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Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104916386A (en) * 2015-06-23 2015-09-16 哈尔滨工程大学 Axial cooling radial coil type parallel magnetic circuit electromagnet
CN109681041A (en) * 2019-01-15 2019-04-26 广东南帆智能家居有限公司 A kind of electromagnetic clutch

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