CN201886976U - Solenoid switch - Google Patents

Solenoid switch Download PDF

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Publication number
CN201886976U
CN201886976U CN2010206625066U CN201020662506U CN201886976U CN 201886976 U CN201886976 U CN 201886976U CN 2010206625066 U CN2010206625066 U CN 2010206625066U CN 201020662506 U CN201020662506 U CN 201020662506U CN 201886976 U CN201886976 U CN 201886976U
Authority
CN
China
Prior art keywords
armature
coil
guide tube
piston ring
guide pipe
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.)
Expired - Lifetime
Application number
CN2010206625066U
Other languages
Chinese (zh)
Inventor
刘雷
罗康
郑绍信
肖斌
李鹏
金宗乾
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.)
Guizhou Zhenhua Qunying Electrical Appliances Co.,Ltd.
Original Assignee
QUNYING RADIO EQUIPMENT FACTORY CHINA ZHENHUA GROUP
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 QUNYING RADIO EQUIPMENT FACTORY CHINA ZHENHUA GROUP filed Critical QUNYING RADIO EQUIPMENT FACTORY CHINA ZHENHUA GROUP
Priority to CN2010206625066U priority Critical patent/CN201886976U/en
Application granted granted Critical
Publication of CN201886976U publication Critical patent/CN201886976U/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Abstract

A solenoid switch consists of an armature, a shell, a coil, a guide tube, a bottom cover, a piston ring and permanent magnet steel, wherein an iron core is stretched from the upper end of the shell (2); the guide tube (4) is arranged outside the iron core; the armature (1) is positioned in the guide tube (4); the armature and the guide tube are in close fit with each other through the piston ring (6) arranged therebetween; the coil (3) is arranged between the guide tube and the shell; two pieces of permanent magnet steel (7) are arranged on the middle section of the coil and are inwardly placed in a like-polarity manner; the shell (2), the bottom cover (5) and the armature (1) are made of magnetic conducting materials; and the piston ring (6) is made of plastics. The solenoid switch structure with a magnetic latching function, provided by the utility model, can provide larger state retentivity, meanwhile, greatly lowers the power consumption and temperature rise of the coil, has effectively reduced overall size, high reliability, low failure rate, simplicity in assembly and high production efficiency, and is suitable for automatic control technology.

Description

Electromagnetic switch
Technical field: the utility model relates to automatic control technology, particularly a kind of electromagnetic switch.
Background technology: the structure of traditional helix tube type cylindricality traction electromagnetic switch is: the outside is the magnetic conduction casing that a tubulose ferromagnetic material constitutes, the bottom that the magnetic conduction casing bottom is made by ferromagnetic material is sealed, the inner tubular coil of placing of magnetic conduction casing, guide pipe is housed in the coil, and armature is reciprocating motion in guide pipe.
The electromagnetic switch of traditional structure is simple in structure, and is easy to manufacture, good seal performance.Weak point is: the electromagnetic switch heat dispersion is poor, produce than big confining force to continue to feed big holding current, and this not only wastes electric energy, and coil is overheated, can make operational failure, thereby need be designed to magnetic maintenance structure.There is armature in traditional in addition guide pipe to the guidance mode of armature, and the contact area with guide pipe is bigger at the volley, produces the problem of the easy clamping stagnation of armature.
Summary of the invention: at the problem of above-mentioned electromagnetic switch existence, a kind of magnetic of higher confining force that can provide is provided keeps structure also to solve the overheated problem of electromagnetic switch, and change the problem that the armature motion guidance mode solves the easy clamping stagnation of armature with the power consumption that reduces electromagnetic switch.
Formation of the present utility model: form by armature, housing, coil, guide pipe, bottom, piston ring, permanent magnetic steel, the stretched iron core in the upper end of housing, the outer guide pipe that has unshakable in one's determination, be connected and be positioned at guide pipe, there is piston ring to closely cooperate between armature and the guide pipe, be coil between guide pipe and the housing, the stage casing of coil is provided with 2 permanent magnetic steels, and 2 magnet steel same polarities are inwardly put.
Housing, bottom, armature are made by permeability magnetic material, and piston ring is made of plastics.
Compared with the prior art, the utility model solution magnetic keeps the method for problem to be: as the I state of Fig. 1 for armature, hereinafter referred to as state I, put permanent magnetic steel 7 in coil 3 stage casings, permanent magnetic steel 7 provides confining force for armature 1.Magnetic circuit is got back to permanent magnetic steel 7 again by permanent magnetic steel 7, housing 2, armature 1.When adding forward voltage when state I, for solenoid winding 3, armature 1 moves downward with the bottom 5 of lower end and contacts, behind coil blackout, provide confining force by permanent magnetic steel for armature 1, the 2nd state I I that at this moment is armature is hereinafter to be referred as state I I, see Fig. 2, magnetic circuit is got back to permanent magnetic steel again by magnet steel 7, housing 2, bottom 5, armature 1 during state I I.When coil added reverse voltage, armature 1 moved upward and contacts with the iron core of the housing 2 of upper end, and behind the coil blackout, permanent magnetic steel provides confining force for armature, and armature is got back to the state I (see figure 1).This structure can provide bigger confining force for armature, and the confining force of two states is basic identical, and the operation voltage of two states is more or less the same.
The method that the utility model solves the easy clamping stagnation problem of armature is: change traditional mode that armature motion is led with guide pipe, this guidance mode armature contact area with guide pipe at the volley is bigger, make the easy clamping stagnation of armature when product powers up, armature is motionless or move not in place.Increase piston ring 6 (see figure 2)s that plastic material is made now between guide pipe 4 and the armature 1, utilize plastics surface Paint Gloss to contact and reduce friction with guide pipe.Piston ring is the plastics banded structure, is centered around during assembling around the armature, makes it to closely cooperate with guide pipe.The piston ring of this structure has the effect of self adaptation and self-lubricating, reduced greatly armature at the volley with on every side zero, the friction area of parts, solved the easy clamping stagnation of armature, be failure to actuate or moved problem not in place.
Positive role of the present utility model is: a kind of helix tube type electromagnetic switch structure that magnetic keeps function that has is provided, this structure can provide bigger state confining force, greatly reduce coil power consumption, temperature rise simultaneously, effectively reduced the overall dimension of electromagnetic switch, reliability height, failure rate are low, assemble simple and easy, production efficiency is high.
Description of drawings: Fig. 1,2 is a structural representation of the present utility model.
Among the figure: 1 armature, 2 housings, 3 coils, 4 guide pipes, 5 bottoms, 6 piston rings, 7 permanent magnetic steels.
Embodiment: as shown in Figure 1, housing 2 the stretched iron core in upper end, unshakable in one's determination outer have guide pipe 4, armature 1 to be positioned at guide pipe 4 to pump, have piston ring to closely cooperate between armature and the guide pipe.Be coil between guide pipe and the housing, 2 permanent magnet magnet steel are put in the stage casing of coil, and 2 magnet steel same polarities are inwardly put, for armature provides confining force.
When armature was in state I, as Fig. 1, magnet steel provided the confining force of F1 for armature, when coil added forward voltage, coil produced the magnetic field force of F2, and coil magnetic field power moves downward with the bottom of lower end armature greater than the magnet steel confining force and contacts, armature is transformed into state I I, as Fig. 2.When state I I, magnet steel provides the confining force of F3 for armature, and when coil added reverse voltage, coil produced the magnetic field force of F4, and coil magnetic field power moves upward armature greater than the magnet steel confining force and contacts with the iron core of housing, and armature is returned to state I.

Claims (2)

1. electromagnetic switch, form by armature, housing, coil, guide pipe, bottom, piston ring, permanent magnetic steel, it is characterized in that: a stretched iron core in the upper end of housing (2), the outer guide pipe (4) that has unshakable in one's determination, being connected (1) and being positioned at guide pipe (4), have piston ring (6) to closely cooperate between armature and the guide pipe, is coil (3) between guide pipe and the housing, the stage casing of coil is provided with 2 permanent magnetic steels (7), and 2 magnet steel same polarities are inwardly put.
2. electromagnetic switch according to claim 1 is characterized in that: housing (2), bottom (5), armature (1) are made by permeability magnetic material, and piston ring (6) is made of plastics.
CN2010206625066U 2010-12-16 2010-12-16 Solenoid switch Expired - Lifetime CN201886976U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206625066U CN201886976U (en) 2010-12-16 2010-12-16 Solenoid switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206625066U CN201886976U (en) 2010-12-16 2010-12-16 Solenoid switch

Publications (1)

Publication Number Publication Date
CN201886976U true CN201886976U (en) 2011-06-29

Family

ID=44184524

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010206625066U Expired - Lifetime CN201886976U (en) 2010-12-16 2010-12-16 Solenoid switch

Country Status (1)

Country Link
CN (1) CN201886976U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102024626A (en) * 2010-12-16 2011-04-20 中国振华集团群英无线电器材厂 Solenoid switch

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102024626A (en) * 2010-12-16 2011-04-20 中国振华集团群英无线电器材厂 Solenoid switch

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Legal Events

Date Code Title Description
GR01 Patent grant
C14 Grant of patent or utility model
CP01 Change in the name or title of a patent holder

Address after: 204 mailbox 550018, Guizhou City, Guiyang Province

Patentee after: Guizhou Zhenhua Qunying Electrical Appliances Co.,Ltd.

Address before: 204 mailbox 550018, Guizhou City, Guiyang Province

Patentee before: Qunying Radio Equipment Factory, China Zhenhua Group

C56 Change in the name or address of the patentee

Owner name: GUIZHOU ZHENHUA QUNYING ELECTRICAL APPLIANCES CO.,

Free format text: FORMER NAME: QUNYING RADIO EQUIPMENT FACTORY, CHINA ZHENHUA GROUP

CX01 Expiry of patent term

Granted publication date: 20110629

CX01 Expiry of patent term