CN203950738U - A kind of novel magnetic approach switch - Google Patents
A kind of novel magnetic approach switch Download PDFInfo
- Publication number
- CN203950738U CN203950738U CN201420350833.6U CN201420350833U CN203950738U CN 203950738 U CN203950738 U CN 203950738U CN 201420350833 U CN201420350833 U CN 201420350833U CN 203950738 U CN203950738 U CN 203950738U
- Authority
- CN
- China
- Prior art keywords
- housing
- elastic force
- tongue piece
- approach switch
- assister bar
- 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.)
- Withdrawn - After Issue
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- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The utility model relates to approach switch field, a kind of novel magnetic approach switch in particular, comprise housing, described housing internal upper part can be provided with moving magnet up or down, housing inner bottom part left and right is fixed with the first wiring end sheet and the second wiring end sheet side by side, and described the second wiring end sheet upper end is provided with fixed contact, and described the first wiring end sheet is provided with shell fragment, described shell fragment outer end is provided with moving contact, the setting corresponding to fixed contact of described moving contact; In described housing, middle part is provided with assister bar, described assister bar is located in housing swingably, assister bar the inner is provided with power-assisted portion, between described assister bar and housing, be provided with position-limit mechanism, the setting corresponding to power-assisted portion of described moving magnet, described shell fragment is provided with elastic force tongue piece, and elastic force tongue piece outer end is supported and is located in power-assisted portion.The utility model structure arranges rationally, by position-limit mechanism, effectively controls the suffered active force of elastic force tongue piece, has solved the existing technical problems such as metal fatigue and arcing that easily occur.
Description
Technical field
The utility model relates to approach switch field, in particular a kind of novel magnetic approach switch.
Background technology
Magnetic approach switch is widely used in each technical field, is a kind of moving magnet that passes through, and the interaction of static magnet and external magnet realizes the device of switch, and rationally whether its structure setting science, directly determines quality and the useful life of novel magnetic approach switch.The resetting device of existing magnetic approach switch is generally tension spring component, and this structure setting exists many irrationalities: 1. after the long-time use of extension spring, metal fatigue causes elastic force to decline, and reply speed slows down, and active force diminishes, and easily produces arcing; 2. the installation of tension spring component, need have more component, complex structure, and assembling difficulty is larger, and production cost is higher; 3. switch two states, the stroke of extension spring is larger, therefore under normally open in relatively large stress, easily fatigue causes life of product to reduce.
Therefore, prior art has yet to be improved and developed.
Summary of the invention
The purpose of this utility model is to provide a kind of novel magnetic approach switch for the deficiencies in the prior art, momentary action power when it has effectively strengthened contact folding, simultaneously, because of movement angle little, be not easy to occur metal fatigue, solved prior art because of long-term easily this technical barrier of generation arcing that uses.
For achieving the above object, the utility model adopts following technical scheme:
A kind of novel magnetic approach switch described in the utility model, comprise housing, described housing internal upper part can be provided with moving magnet up or down, housing inner bottom part left and right is fixed with the first wiring end sheet and the second wiring end sheet side by side, described the second wiring end sheet upper end is provided with fixed contact, described the first wiring end sheet is provided with shell fragment, and described shell fragment outer end is provided with moving contact, the setting corresponding to fixed contact of described moving contact; In described housing, middle part is provided with assister bar, described assister bar is located in housing swingably, assister bar the inner is provided with power-assisted portion, between described assister bar and housing, be provided with position-limit mechanism, the setting corresponding to power-assisted portion of described moving magnet, described shell fragment is provided with elastic force tongue piece, and elastic force tongue piece outer end is supported and is located in power-assisted portion.
Further, described assister bar is provided with axle point, and assister bar is put and is located in housing swingably by axle.
Further, described assister bar outer end is provided with screens portion, and described inner walls is provided with stopper slot, and described screens portion and stopper slot form described position-limit mechanism, and described screens portion is arranged in stopper slot.
Further, described power-assisted portion outside is provided with draw-in groove, and described elastic force tongue piece outer end is supported and is located in draw-in groove.
Further, described the first wiring end sheet upper end is provided with holddown groove, and described shell fragment the inner is connected in holddown groove; The inner of described elastic force tongue piece is fixedly connected on shell fragment the inner.
Further, the position of described axle point is higher than the position of described holddown groove.
Further, described axle point is located at the position, middle of assister bar; The height of described stopper slot is H, and the height of described screens portion is h, and described holddown groove to the horizontal range between draw-in groove is L; Described H, there is following calculated relationship: L/ (H-h)=10-12 in h and L.
Further, described elastic force tongue piece and the one-body molded setting of shell fragment.
Further, described elastic force tongue piece is made by beryllium-bronze material.
The beneficial effects of the utility model: moving magnet described in the utility model is under the effect of external magnet, move down, by power-assisted portion extruding elastic force tongue piece, until moving contact and fixed contact are closed, remove after the active force of external magnet, moving contact and fixed contact reset under the effect of elastic force tongue piece, the utility model has effectively solved Shortcomings and defect in prior art: 1. the utility model is provided with position-limit mechanism, effectively limited the stroke that moves up and down of power-assisted portion, make elastic force tongue piece stroke little, avoid elastic force tongue piece kinematic pair to spend and occurred greatly metal fatigue, effectively avoided the long-time technical barrier that uses rear easily generation arcing of the utility model, 2. being equipped with of the utility model shell fragment and elastic force tongue piece, greatly simplifies internal structure, and easily, production cost is lower in assembling.Structure of the present utility model arranges reasonable effect and has extended useful life, expansion application and range of application greatly.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram under the utility model off-state;
Fig. 2 is overall structure schematic diagram under the utility model connected state;
Fig. 3 is the utility model assister bar structural representation.
In figure:
1, housing; 11, chute; 12, stopper slot;
2, moving magnet;
3, assister bar; 31, axle point; 32, screens portion; 33, power-assisted portion;
331, draw-in groove;
4, shell fragment; 41, moving contact;
5, elastic force tongue piece;
6, the first wiring end sheet; 61, holddown groove;
7, the second wiring end sheet; 71, fixed contact.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail, but execution mode of the present utility model is not limited to this.
As shown in Figure 1 to Figure 3, a kind of novel magnetic approach switch described in the utility model, comprise housing 1, described housing 1 internal upper part can be provided with moving magnet 2 up or down, particularly, in described housing 1, is provided with chute 11, described moving magnet 2 can be located in chute 11 up or down, more steady for making moving magnet 2 move up and down operation, in described chute 11, be provided with slide rail, described moving magnet 2 is arranged on slide rail.Setting about moving magnet 2 in housing 1, without essential difference, does not do too much description with prior art.
Described housing 1 inner bottom part left and right is fixed with the first wiring end sheet 6 and the second wiring end sheet 7 side by side, and described the second wiring end sheet 7 upper ends are provided with fixed contact 71.
Described the first wiring end sheet 6 is provided with shell fragment 4, and particularly, the utility model is preferably provided with holddown groove 61 in described the first wiring end sheet 6 upper ends, and described shell fragment 4 the inners are arranged in holddown groove 61.Described holddown groove 61 can be set to similar " > " type structure, and inner the supporting of described shell fragment 4 is located at holddown groove 61, arranges like this, assembles comparatively convenient and swift.Certainly, the utility model is not got rid of the realization of other similar structures, as directly by as described in shell fragment 4 the inners be fixed on the first wiring end sheet 6 upper ends.
Described shell fragment 4 outer ends are provided with moving contact 41, the setting corresponding to fixed contact 71 of described moving contact 41, and the utility model is the contact and the separated Push And Release of realizing with fixed contact 71 by moving contact 41.
The interior middle part of described housing 1 is provided with assister bar 3 swingably, and particularly, described assister bar 3 is provided with axle point 31, and assister bar 3 is put 31 by axle and is located at swingably in housing 1, and described assister bar 3 the inners are provided with power-assisted portion 33.Described power-assisted portion 33 and moving magnet 2 corresponding matching settings.
Described shell fragment 4 is provided with elastic force tongue piece 5, and it is inner upper that the inner of elastic force tongue piece 5 is fixedly connected on shell fragment 4, the preferred described elastic force tongue piece 5 of the utility model and the one-body molded setting of shell fragment 4.Described elastic force tongue piece 5 outer ends are supported and are located in power-assisted portion 33, for effectively increasing the connective stability of elastic force tongue piece 5 and power-assisted portion 33, described power-assisted portion 33 outsides are provided with draw-in groove 331, described draw-in groove 331 is set to similar " < " type structure, arrange like this, described elastic force tongue piece 5 outer ends are supported and are located in draw-in groove 331, arrange like this, assemble more convenient.Described elastic force tongue piece 5 is made by beryllium-bronze material, and beryllium-bronze material can effectively increase the elastic force of elastic force tongue piece 5.
Between described assister bar 3 and housing 1, be provided with position-limit mechanism, particularly, described assister bar 3 outer ends are provided with screens portion 32, and described housing 1 inwall is provided with stopper slot 12, described screens portion 32 and stopper slot 12 forms described position-limit mechanism, and described screens portion 32 is arranged in stopper slot 12.
The utility model is in when operation, and as shown in Figure 1, initial condition of the present utility model is, described moving contact 41 is with fixed contact 71 in separated position, and the utility model is in OFF state (normally open).Now, described elastic force tongue piece 5 upwards supports moving magnets 2 by power-assisted portion 33, and described moving magnet 2 is positioned at chute 11 internal upper parts, described screens portion 32 lower ends be butted on stopper slot 12 below on.In the time of need to opening the utility model, with external magnet near the utility model housing 1 top, external magnet drives moving magnet 2 to move down, and in moving magnet 2 folding processes, extruding power-assisted portion 33 swings and moves down centered by axle point 31, simultaneously, screens portion 32 moves on swinging centered by axle point 31, until the upper end of screens portion 32 is supported, is located at stopper slot 12 tops, and power-assisted portion 33 moves down by elastic force tongue piece 5 band spring plates 4 and moving contact 41, to moving contact 41 and fixed contact 71 close contacts, the utility model transfers ON state to.Now, described elastic force tongue piece 5 is in press-bending state, a restoring force making progress of final existence, while needing to disconnect the utility model, remove external magnet, under the active force effect that power-assisted portion 33 makes progress at elastic force tongue piece 5, push on moving magnet 2 and move, complete utility model and transfer OFF state (referring to Fig. 2) to from ON state.Position-limit mechanism described in the utility model can well limit the stroke up and down of power-assisted portion 33.
It is worth mentioning that, act on preferred implementation of the present utility model, the position of described axle point 31 is a little more than the position of described holddown groove 61, arrange like this, at the utility model, during in OFF state, be convenient to 5 pairs of power-assisted portions 33 of elastic force tongue piece and support, elastic force tongue piece 5 bears again less bending power simultaneously, can reduce to the utmost the metal fatigue degree of elastic force tongue piece 5 like this, extend useful life of the present utility model.
It should be noted that, as another main utility model point of the present utility model, described axle point 31 is located at the position, middle of assister bar 3, be axle point 31 respectively with power-assisted portion 33 and screens portion 32 between distance equate, arrange like this, be convenient to coordinating by screens portion 32 and stopper slot 12, control the distance that power-assisted portion 33 swings up and down, make active force that elastic force tongue piece 5 bears within a rational scope, be not easy to occur metal fatigue, can keep again the restoring force of understanding most.Particularly, the height of described stopper slot 12 be H (be stopper slot 12 tops and below between distance), the height of described screens portion 32 is h (being the distance between screens portion 32 top and bottom), and described holddown groove 61 to the horizontal range between draw-in groove 331 is L.Described H, there is following calculated relationship: L/ (H-h)=10-12 in h and L.Through experiment measuring and calculating, when the value of L/ (H-h) is greater than 12, described power-assisted portion 33 is too small by the displacement that transfers OFF state from ON state at the utility model, thereby elastic force tongue piece 5 press-bending degree are less, cause the restoring force of elastic force tongue piece 5 less, during disconnection, speed is slower, easily occurs arcing; And when the value of L/ (H-h) is less than 10, thereby elastic force tongue piece 5 press-bending degree are larger, and easily there is metal fatigue in elastic force tongue piece 5, can greatly shorten service time of the present utility model.
In addition, the utility model in terms of existing technologies, greatly simplifies the structure, and has reduced production cost.
The announcement of book and instruction according to the above description, the utility model those skilled in the art can also change and revise above-mentioned execution mode.Therefore, the utility model is not limited to above-mentioned embodiment, and any apparent improvement, replacement or modification that every those skilled in the art do on basis of the present utility model all belong to protection range of the present utility model.In addition,, although used some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the utility model.
Claims (9)
1. a novel magnetic approach switch, comprise housing (1), described housing (1) internal upper part can be provided with moving magnet (2) up or down, housing (1) inner bottom part left and right is fixed with the first wiring end sheet (6) and the second wiring end sheet (7) side by side, described the second wiring end sheet (7) upper end is provided with fixed contact (71), it is characterized in that: described the first wiring end sheet (6) is provided with shell fragment (4), described shell fragment (4) outer end is provided with moving contact (41), described moving contact (41) and the corresponding setting of fixed contact (71); In described housing (1), middle part is provided with assister bar (3), described assister bar (3) is located in housing (1) swingably, assister bar (3) the inner is provided with power-assisted portion (33), between described assister bar (3) and housing (1), be provided with position-limit mechanism, described moving magnet (2) and the corresponding setting of power-assisted portion (33), described shell fragment (4) is provided with elastic force tongue piece (5), and elastic force tongue piece (5) outer end is supported and is located in power-assisted portion (33).
2. novel magnetic approach switch according to claim 1, is characterized in that: described assister bar (3) is provided with axle point (31), and assister bar (3) is located in housing (1) swingably by axle point (31).
3. novel magnetic approach switch according to claim 2, it is characterized in that: described assister bar (3) outer end is provided with screens portion (32), described housing (1) inwall is provided with stopper slot (12), described screens portion (32) and stopper slot (12) form described position-limit mechanism, and described screens portion (32) is arranged in stopper slot (12).
4. novel magnetic approach switch according to claim 3, is characterized in that: described power-assisted portion (33) outside is provided with draw-in groove (331), and described elastic force tongue piece (5) outer end is supported and is located in draw-in groove (331).
5. according to the novel magnetic approach switch described in claim 3 or 4, it is characterized in that: described the first wiring end sheet (6) upper end is provided with holddown groove (61), described shell fragment (4) the inner is connected in holddown groove (61); The inner of described elastic force tongue piece (5) is fixedly connected on shell fragment (4) the inner.
6. novel magnetic approach switch according to claim 5, is characterized in that: the position of described axle point (31) is higher than the position of described holddown groove (61).
7. novel magnetic approach switch according to claim 6, is characterized in that: described axle point (31) is located at the position, middle of assister bar (3); The height of described stopper slot (12) is H, and the height of described screens portion (32) is h, and described holddown groove (61) to the horizontal range between draw-in groove (331) is L; Described H, there is following calculated relationship: L/ (H-h)=10-12 in h and L.
8. novel magnetic approach switch according to claim 7, is characterized in that: described elastic force tongue piece (5) and the one-body molded setting of shell fragment (4).
9. novel magnetic approach switch according to claim 7, is characterized in that: described elastic force tongue piece (5) is made by beryllium-bronze material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420350833.6U CN203950738U (en) | 2014-06-27 | 2014-06-27 | A kind of novel magnetic approach switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420350833.6U CN203950738U (en) | 2014-06-27 | 2014-06-27 | A kind of novel magnetic approach switch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203950738U true CN203950738U (en) | 2014-11-19 |
Family
ID=51892760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420350833.6U Withdrawn - After Issue CN203950738U (en) | 2014-06-27 | 2014-06-27 | A kind of novel magnetic approach switch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203950738U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104037016A (en) * | 2014-06-27 | 2014-09-10 | 佛山市川东照明科技有限公司 | Novel magnetic proximity switch |
| WO2016124003A1 (en) * | 2015-02-03 | 2016-08-11 | 佛山市川东磁电股份有限公司 | Novel magnetic switch |
-
2014
- 2014-06-27 CN CN201420350833.6U patent/CN203950738U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104037016A (en) * | 2014-06-27 | 2014-09-10 | 佛山市川东照明科技有限公司 | Novel magnetic proximity switch |
| WO2015196630A1 (en) * | 2014-06-27 | 2015-12-30 | 佛山市川东磁电股份有限公司 | New magnetic proximity switch |
| US10224154B2 (en) | 2014-06-27 | 2019-03-05 | Chuandong Magnetic Electronic Co., Ltd | Magnetic proximity switch |
| WO2016124003A1 (en) * | 2015-02-03 | 2016-08-11 | 佛山市川东磁电股份有限公司 | Novel magnetic switch |
| US10256059B2 (en) | 2015-02-03 | 2019-04-09 | Chuandong Magnetic Electronic Co., Ltd | Magnetic switch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20141119 Effective date of abandoning: 20160224 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |