CN207489604U

CN207489604U - A kind of new electromagnet

Info

Publication number: CN207489604U
Application number: CN201720782603.0U
Authority: CN
Inventors: 戚江华; 宋小龙
Original assignee: Ningbo Dongling Plumb & Air-Conditioning Parts And Accessories Co Ltd
Current assignee: Ningbo Dongling Plumb & Air-Conditioning Parts And Accessories Co Ltd
Priority date: 2017-06-30
Filing date: 2017-06-30
Publication date: 2018-06-12
Anticipated expiration: 2027-06-30

Abstract

The utility model discloses a kind of new electromagnets, including dynamic iron core, static iron core, coil, external bushing, skeleton, end cap, the dynamic iron core includes adjusting iron core and control iron core, the control iron core is slided towards one end of the static iron core to be plugged in the adjusting iron core, and it is slided along described one end for adjusting iron core to the other end, so that the dynamic iron core is collapsible, the distance between both ends are less than or equal to adjust the distance between iron core and static iron core in the adjusting iron core.Dynamic iron core provided by the utility model includes the control iron core of activity cooperation and adjusts iron core, and by the cooperation of the two, dynamic iron core is collapsible, realizes the secondary motion of control iron core, increases the movement travel of dynamic iron core.

Description

A kind of new electromagnet

Technical field

The utility model is related to the technical fields of electromagnet, are specifically related to a kind of new electromagnet.

Background technology

Electromagnet is widely used, this electromagnet is applied in fire resisting damper actuating mechanism of exhaust smoke valve, commonly used to open or close Various valves are closed, task is automatically controlled to perform.A kind of existing electromagnet is by housing, coil, static iron core and dynamic iron core structure Into.In actual use, with the closure of valve, it is outer up to swing rod is another that dynamic iron core follows swing rod to be slowly pulled to housing to electromagnet The snak link of one end is buckled.When wanting Open valve, as long as being powered to coil, dynamic iron core is inhaled into housing, so as to pull Swing rod unclamps snak link, valve opening.

But the prior art has the following problems：Since coil turn is certain, its magnetic field generated is after being powered It is fixed, therefore the distance between dynamic iron core and static iron core is caused to be fixed, also specify the stroke of dynamic iron core.When dynamic iron core quilt It is more than a certain distance after being pulled to outside housing, between dynamic iron core and static iron core, dynamic iron core can not be sucked back into, and stroke is partially short, The swing rod amplitude of fluctuation of institute's stretchy is less than normal, can not ensure the snak link of the swing rod other end and can timely and effectively unclamp, so as to lead Stability and the safety for causing entire executing agency are relatively low.

Utility model content

For the above-mentioned problems in the prior art, it is desirable to provide one kind is right under the premise of coil turn is not changed Dynamic iron core stroke carries out extended new electromagnet.

Specific technical solution is as follows：

A kind of new electromagnet, including dynamic iron core, static iron core, coil, external bushing, skeleton, end cap, the coil and bone Frame is arranged in the external bushing, and the coil is wrapped on the skeleton, and static iron core and end cap are arranged at the outer lining The both ends of set offer through-hole on the end cap, and the dynamic iron core passes through the through-hole and activity is inserted in the skeleton, and It along being moved perpendicular to the direction of the static iron core, is attracted or detaches with static iron core, the dynamic iron core includes adjusting iron core and control Iron core processed, the control iron core is slided towards one end of the static iron core to be plugged in the adjusting iron core, and along the adjusting It is slided to the other end one end of iron core so that the dynamic iron core is collapsible, and the distance between both ends are less than in the adjusting iron core Equal to adjusting the distance between iron core and static iron core.

Preferably, being provided with a sliding cavity in the adjusting iron core, the sliding cavity is set along the axial direction for adjusting iron core It puts, and the both ends for adjusting iron core are respectively arranged with the first blocking material ring and the second blocking material ring.

Preferably, the control iron core and one end of the adjusting iron core cooperation are provided with striker plate, the striker plate position Between first blocking material ring and the second blocking material ring.

Preferably, the diameter of the striker plate is more than the internal diameter of first blocking material ring and the second blocking material ring and is less than The outer diameter of first blocking material ring and the second blocking material ring.

Preferably, the depth of the sliding cavity is less than static iron core and adjusts the maximum distance between iron core.

The good effect of above-mentioned technical proposal is：

(1) dynamic iron core provided by the utility model includes the control iron core of activity cooperation and adjusts iron core, passes through the two Cooperation, dynamic iron core is collapsible, realizes the secondary motion of control iron core, increases the movement travel of dynamic iron core.

(2) in addition, the setting of first blocking material ring and the second blocking material ring carries out the stroke of control iron core movement Limit, while the setting of sliding cavity depth also ensures when condition iron core and static iron core are attracted, the control iron core can with it is quiet Iron core attracts each other so that control iron core is moved towards static iron core.

Description of the drawings

Fig. 1 is the structure diagram that the utility model new electromagnet is not attracted；

Fig. 2 is the enlarged drawing in A portions in Fig. 1；

Fig. 3 is the structure diagram that the utility model new electromagnet is attracted.

In attached drawing, 1, static iron core；2nd, dynamic iron core；21st, iron core is adjusted；211st, the second blocking material ring；212nd, the first blocking material ring； 213rd, sliding cavity；22nd, iron core is controlled；221st, striker plate；3rd, skeleton；4th, external bushing；5th, coil；6th, end cap.

Specific embodiment

In order to be easy to understand technical means, creative features, achievable purpose and effectiveness of the utility model, with Lower embodiment combination attached drawing is specifically addressed to provided by the utility model.

Fig. 1 is the structure diagram that the utility model new electromagnet is not attracted；Fig. 2 is the enlarged drawing in A portions in Fig. 1；Fig. 3 The structure diagram being attracted for the utility model new electromagnet.Shown in please referring to Fig.1 to Fig.3, show a kind of preferably new Type electromagnet, including dynamic iron core 2, static iron core 1, coil 5, external bushing 4, skeleton 3, end cap 6.Wherein described coil 5 and skeleton 3 It is arranged in the external bushing 4, the coil 5 is wrapped on the skeleton 3, and static iron core 1 and the end cap 6 are arranged at institute State the both ends of external bushing 4, offer through-hole on the end cap 6, the dynamic iron core 2 passes through the through-hole and activity be inserted in it is described In skeleton 3.And it along being moved perpendicular to the direction of the static iron core 1, is attracted or detaches with static iron core 1.

Wherein described dynamic iron core 2 includes adjusting iron core 21 and control iron core 22, described to control iron core 22 towards the quiet iron One end of core 1, which is slided, to be plugged in the adjusting iron core 21, the control iron core 22 can along described one end for adjusting iron core 21 to The other end slides so that the dynamic iron core 2 is collapsible, and the distance between both ends are less than or equal to adjust iron in the adjusting iron core 21 The distance between core 21 and static iron core 1.

And then after the coil 5 is powered, magnetic field is generated, is attracted each other between static iron core 1 and dynamic iron core 2, the adjusting Iron core 21 is moved towards the static iron core 1, until attracting with static iron core 1, and then control iron core 22 is driven to be transported towards static iron core 1 It is dynamic, and during this, control the reduction of the distance between iron core 22 and static iron core 1, therefore also by the attraction of static iron core 1, this When adjust iron core 21 and offset with static iron core 1, in stationary state, therefore iron core 22 is controlled to generate opposite transport with adjusting iron core 21 Dynamic, control iron core 22 continues to move to static iron core 1, until offset with adjusting iron core 21 close to one end of static iron core 1, so that The stroke of iron core 22 is controlled to increase.

In the utility model, dynamic iron core 2 includes the control iron core 22 of activity cooperation and adjusts iron core 21, passes through matching for the two It closes, dynamic iron core 2 is collapsible, realizes the secondary motion of control iron core 22, increases the movement travel of dynamic iron core 2.

Hereinafter, illustrated with a kind of specific embodiment, it should be pointed out that described in implementation below it Structure, technique, selection are only to illustrate the feasibility of embodiment, the intention of scope of protection of the utility model that there is no restriction.

More specifically, it is provided with a sliding cavity 213 in the adjusting iron core 21, the sliding cavity 213 is along the adjusting iron The axial setting of core 21, and the both ends for adjusting iron core 21 are respectively arranged with the first blocking material ring 212 and the second blocking material ring 211.

One end that the control iron core 22 coordinates with the adjusting iron core 21 is provided with striker plate 221, the striker plate 221 Between 212 and second blocking material ring 211 of the first blocking material ring, and the diameter of the striker plate 221 is more than described the The internal diameter of one blocking material ring 212 and the second blocking material ring 211 and the outer diameter for being less than the first blocking material ring 212 and the second blocking material ring 211, and then Stroke of the control iron core 22 in sliding cavity 213 is defined, control iron core 22 is prevented to be detached from adjusting iron core 21, Control iron core 22 is driven to move but also adjusting iron core 21 simultaneously.

The depth of the sliding cavity 213 is less than static iron core 1 and adjusts the maximum distance between iron core 21.The utility model In, when signified maximum distance is powered for coil 5, smart iron core attracts each other with adjusting iron core 21 so that adjusts iron core 21 and moves Maximum distance, can not so that adjusting iron core 21 moves beyond this distance magnetic force then between the two.

The specific motion process of the utility model：In original state, static iron core 1 is not attracted with the dynamic iron core 2, described The striker plate 221 of control iron core 22 offsets with the first blocking material ring 212, is then switched on power supply, and coil 5 generates electromagnetic induction, quiet iron Core 1 and dynamic iron core 2 attract each other, and adjust iron core 21 and are moved to static iron core 1, and control iron core 22 is driven to move together, until with quiet Iron core 1 offsets, and then controls the reduction of the distance between iron core 22 and the static iron core 1, under the action of magnetic force, controls iron core 22 It is moved along sliding cavity 213 to static iron core 1, until offseting with the second blocking material ring 211, realizes secondary motion.And then it realizes dynamic Iron core 2 it is collapsible.

In the utility model, dynamic iron core 2 includes the control iron core 22 of activity cooperation and adjusts iron core 21, passes through matching for the two It closes, dynamic iron core 2 is collapsible, realizes the secondary motion of control iron core 22, increases the movement travel of dynamic iron core 2.It is in addition, described The stroke that the setting of first blocking material ring 212 and the second blocking material ring 211 moves control iron core 22 is defined, and is slided simultaneously The setting of 213 depth of chamber also ensures that, when condition iron core and static iron core 1 are attracted, the control iron core 22 can be with 1 phase of static iron core Mutually attract so that control iron core 22 is moved towards static iron core 1.

It these are only the utility model preferred embodiment, not thereby limit the embodiment and protection of the utility model Range to those skilled in the art, should can appreciate that all with the utility model specification and diagramatic content institute The equivalent replacement made and obviously change obtained scheme, the scope of protection of the utility model should all be included in It is interior.

Claims

1. a kind of new electromagnet, including dynamic iron core (2), static iron core (1), coil (5), external bushing (4), skeleton (3), end cap (6), the coil (5) and skeleton (3) are arranged in the external bushing (4), and the coil (5) is wrapped in the skeleton (3) on, static iron core (1) and end cap (6) are arranged at the both ends of the external bushing (4), and through-hole is offered on the end cap (6), The dynamic iron core (2) is inserted in across the through-hole and activity in the skeleton (3), and along perpendicular to the static iron core (1) Direction is moved, and is attracted or is detached with static iron core (1), which is characterized in that the dynamic iron core (2) is including adjusting iron core (21) and control Iron core (22) processed, the control iron core (22) is slided towards one end of the static iron core (1) is plugged in the adjusting iron core (21) In, and slided along one end of the adjusting iron core (21) to the other end so that the dynamic iron core (2) is collapsible, the dynamic iron core (2) the distance between interior both ends are less than or equal to adjust the distance between iron core (21) and static iron core (1).

2. new electromagnet according to claim 1, which is characterized in that be provided with a slip in the adjusting iron core (21) Chamber (213), the sliding cavity (213) are set along the axial of the adjusting iron core (21), and adjust the both ends difference of iron core (21) It is provided with the first blocking material ring (212) and the second blocking material ring (211).

3. new electromagnet according to claim 2, which is characterized in that the control iron core (22) and the adjusting iron core (21) one end of cooperation is provided with striker plate (221), and the striker plate (221) is positioned at first blocking material ring (212) and second Between blocking material ring (211).

4. new electromagnet according to claim 3, which is characterized in that the diameter of the striker plate (221) is more than described The internal diameter of first blocking material ring (212) and the second blocking material ring (211) and less than the first blocking material ring (212) and the second blocking material ring (211) Outer diameter.

5. new electromagnet according to claim 2, which is characterized in that the depth of the sliding cavity (213) is less than quiet iron Maximum distance between core (1) and adjusting iron core (21).