CN203839293U - Lockable electromagnetic relay - Google Patents
Lockable electromagnetic relay Download PDFInfo
- Publication number
- CN203839293U CN203839293U CN201420289367.5U CN201420289367U CN203839293U CN 203839293 U CN203839293 U CN 203839293U CN 201420289367 U CN201420289367 U CN 201420289367U CN 203839293 U CN203839293 U CN 203839293U
- Authority
- CN
- China
- Prior art keywords
- push rod
- housing
- electromagnetic relay
- armature
- lockable
- 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 - Fee Related
Links
- 230000001681 protective effect Effects 0.000 claims description 14
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 239000011810 insulating material Substances 0.000 claims description 4
- 230000003068 static effect Effects 0.000 abstract 2
- 239000000428 dust Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
Landscapes
- Switch Cases, Indication, And Locking (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
Abstract
The utility model discloses a lockable electromagnetic relay. The lockable electromagnetic relay comprises a housing, a solenoid, a moving contact assembly, a static contact and a locking device. A pressure spring groove, a connecting rod and push rod limiting blocks are arranged in the housing. The moving contact assembly includes a vertical plate, an armature and an extension spring, wherein one end of the vertical plate is connected with the housing, the armature and the other end of the vertical plate are hinged to each other, two ends of the extension spring are connected with the housing and the tail end of the armature respectively, and the front end of the armature is equipped with a moving contact and a locking head. The locking device includes a pressure spring, a locking plate and a push rod assembly. The pressure spring is placed inside the pressure spring groove. One end of the pressure spring supports the locking plate, and the locking plate is provided with a locking groove that matches the locking head. The locking plate and the connecting rod are hinged to each other. The push rod assembly includes a push rod, a limiting plate and a press segment. The locking device of the lockable electromagnetic relay has a simple structure, and also enables the moving contact and the static contact to mutually closed still after the solenoid is powered off.
Description
Technical field
The utility model belongs to electromechanical engineering technical field, relates in particular to a kind of lockable electromagnetic relay.
Background technology
Electromagnetic relay is a kind of point control device conventional in control circuit.Conventional electromagnetic relay, after control circuit power-off, is also just quit work thereupon disconnecting by control circuit now.Therefore, when accidental damage appears in control circuit, correlation machine will quit work, thereby may cause the damage of machine and affect working efficiency.
Utility model content
(1) technical problem that will solve
The technical problems to be solved in the utility model is to provide after a kind of controlled circuit closure the electromagnetic relay of locked closed state always.
(2) technical scheme
For solving the problems of the technologies described above, the utility model provides a kind of lockable electromagnetic relay, it comprises housing (1), solenoid (2), moving contact component (3), fixed contact (4) and locking device (5), is provided with pressure spring slot (11), connecting rod (12) and push rod guide vane end stop (13) in this housing (1); Moving contact component (3) comprises riser (31), armature (32) and extension spring (33), one end of this riser (31) is connected with housing (1), armature (32) is hinged with the other end of riser (31), the two ends of extension spring (32) are connected with housing (1) and armature (32) end respectively, and the front end of this armature (32) is provided with moving contact (321) and elongated insertion part (322); Locking device (5) comprises stage clip (51), lockplate (52) and push rod component (53), stage clip (51) is placed in pressure spring slot (11), institute's top board (52) is withstood in one end of this stage clip (51), on lockplate (52), be provided with the lock slots (521) matching with elongated insertion part (322), this lockplate (52) is hinged with connecting rod (12), and push rod component (53) comprises push rod (531), limiting plate (532) and the section of pressing (533).
Wherein, lockplate (52) is also provided with two baffle plates (522).
Wherein, lockable electromagnetic relay also comprises protective cover (6), described protective cover (6) comprises guard shield (61) and handgrip (62), this protective cover (6) covers push rod component (53) and exposes the outer part of housing (1), and protective cover (6) is hinged with housing (1).
Wherein, push rod component (53) also comprises clamping block (534) and knob (535), and housing (1) is provided with the groove (14) matching with clamping block (534).
Wherein, push rod component (53) is made by insulating material.
(3) beneficial effect
Compared with prior art, the locking device that the utility model arranges is both simple in structure, easy to operate, can after solenoid power-off, still keep again moving contact and fixed contact mutually closed, the operating state of locking controlled circuit; And on lockplate, set up two baffle plates, thereby can prevent that the elongated insertion part groove that goes out of lock from causing the situation that locking device lost efficacy to occur; Wherein, set up protective cover, both can prevent that dust from entering relay internal influence or infringement relay, thus the fortuitous event appearance that the section of pressing that touches locking device of can preventing an accident again causes locking device to lose efficacy; In addition, in the push rod component of locking device, set up clamping block and knob, allow the function of locking device there is open and close two states; Adopting insulating material to make push rod component, is in order to prevent that relay inside from causing operating personnel to get an electric shock while there is electric leakage situation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the lockable electromagnetic relay of the utility model.
Fig. 2 is a kind of structural representation of optimizing lockplate of the utility model.
Fig. 3 is a kind of structural representation of optimizing push rod component of the utility model.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but can not be used for limiting scope of the present utility model.
The structure of the lockable electromagnetic relay of the utility model as shown in Figure 1, this lockable electromagnetic relay comprises housing 1, solenoid 2, moving contact component 3, fixed contact 4 and locking device 5, is provided with pressure spring slot 11, connecting rod 12 and push rod guide vane end stop 13 in this housing 1; Moving contact component 3 comprises riser 31, armature 32 and extension spring 33, one end of this riser 31 is connected with housing 1, armature 32 is hinged with the other end of riser 31, and the two ends of extension spring 32 are connected with housing 1 and armature 32 ends respectively, and the front end of this armature 32 is provided with moving contact 321 and elongated insertion part 322; Locking device 5 comprises stage clip 51, lockplate 52 and push rod component 53, stage clip 51 is placed in pressure spring slot 11, institute's top board 52 is withstood in one end of this stage clip 51, on lockplate 52, be provided with the lock slots 521 matching with elongated insertion part 322, this lockplate 52 is hinged with connecting rod 12, and push rod component 53 comprises push rod 531, limiting plate 532 and the section of pressing 533.After solenoid energising, iron core absorption armature overcomes extension spring active force, makes moving contact and fixed contact closed, allows controlled circuit closure start working, and meanwhile, the elongated insertion part on armature slips in the lock slots of lockplate; Now, under the active force of stage clip, make armature still can not, by the restoring force resilience of extension spring, can keep moving contact and fixed contact to be in closed-lock state after solenoid power-off always; When operating personnel are pressing after the section of pressing of locking device, could remove this lock-out state.The locking device that the utility model arranges is both simple in structure, easy to operate, can after solenoid power-off, still keep again moving contact and fixed contact mutually closed, the operating state of locking controlled circuit.
As shown in Figure 2, in the present embodiment, lockplate 52 is also provided with two baffle plates 522, thereby can prevent that the elongated insertion part groove that goes out of lock from causing the situation that locking device lost efficacy to occur.
As shown in Figure 1, in the present embodiment, lockable electromagnetic relay also comprises protective cover 6, and described protective cover 6 comprises guard shield 61 and handgrip 62, and this protective cover 6 covers push rod component (53) and exposes the part outside housing 1, and protective cover 6 is hinged with housing 1.The protective cover that the utility model is set up, both can prevent that dust from entering relay internal influence or infringement relay, thus the fortuitous event appearance that the section of pressing that touches locking device of can preventing an accident again causes locking device to lose efficacy.
As shown in Figure 3, in the present embodiment, push rod component 53 also comprises clamping block 534 and knob (535), and housing 1 is provided with the groove 14 matching with clamping block 534.When clamping block is in groove, locking device is in opening; And work as push-turn key and rotate to an angle while making clamping block depart from groove, the function of locking device is just in closed condition.The utility model adopts said structure, allows the function of locking device have open and close two states.
In the present embodiment, push rod component 53 is made by insulating material, can prevent that relay inside from causing operating personnel to get an electric shock while there is electric leakage situation.
These are only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, do not departing under the prerequisite of the utility model know-why; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (5)
1. a lockable electromagnetic relay, it is characterized in that: described lockable electromagnetic relay comprises housing (1), solenoid (2), moving contact component (3), fixed contact (4) and locking device (5), in described housing (1), be provided with pressure spring slot (11), connecting rod (12) and push rod guide vane end stop (13); Described moving contact component (3) comprises riser (31), armature (32) and extension spring (33), one end of described riser (31) is connected with housing (1), described armature (32) is hinged with the other end of riser (31), the two ends of described extension spring (32) are connected with housing (1) and armature (32) end respectively, and the front end of this armature (32) is provided with moving contact (321) and elongated insertion part (322); Described locking device (5) comprises stage clip (51), lockplate (52) and push rod component (53), described stage clip (51) is placed in pressure spring slot (11), institute's top board (52) is withstood in one end of this stage clip (51), on lockplate (52), be provided with the lock slots (521) matching with elongated insertion part (322), this lockplate (52) is hinged with connecting rod (12), and described push rod component (53) comprises push rod (531), limiting plate (532) and the section of pressing (533).
2. lockable electromagnetic relay according to claim 1, is characterized in that: described lockplate (52) is also provided with two baffle plates (522).
3. lockable electromagnetic relay according to claim 1, it is characterized in that: described lockable electromagnetic relay also comprises protective cover (6), described protective cover (6) comprises guard shield (61) and handgrip (62), this protective cover (6) covers push rod component (53) and exposes the outer part of housing (1), and protective cover (6) is hinged with housing (1).
4. lockable electromagnetic relay according to claim 1, it is characterized in that: described push rod component (53) also comprises clamping block (534) and knob (535), described housing (1) is provided with the groove (14) matching with clamping block (534).
5. lockable electromagnetic relay according to claim 1, is characterized in that: described push rod component (53) is made by insulating material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420289367.5U CN203839293U (en) | 2014-05-30 | 2014-05-30 | Lockable electromagnetic relay |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420289367.5U CN203839293U (en) | 2014-05-30 | 2014-05-30 | Lockable electromagnetic relay |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203839293U true CN203839293U (en) | 2014-09-17 |
Family
ID=51517102
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420289367.5U Expired - Fee Related CN203839293U (en) | 2014-05-30 | 2014-05-30 | Lockable electromagnetic relay |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203839293U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783410A (en) * | 2015-11-25 | 2017-05-31 | 湖南开磷雁峰塔涂料有限公司 | A kind of A.C. contactor on paint production plant |
| CN108091520A (en) * | 2017-12-26 | 2018-05-29 | 福建信息职业技术学院 | A kind of low-power consumption integrated relay switch |
| CN109559935A (en) * | 2017-09-26 | 2019-04-02 | 浙江正泰电器股份有限公司 | Miniature electro-magnetic relay |
| CN111863541A (en) * | 2020-08-06 | 2020-10-30 | 南京贝思特信息科技有限公司 | Energy-saving contactor |
-
2014
- 2014-05-30 CN CN201420289367.5U patent/CN203839293U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106783410A (en) * | 2015-11-25 | 2017-05-31 | 湖南开磷雁峰塔涂料有限公司 | A kind of A.C. contactor on paint production plant |
| CN109559935A (en) * | 2017-09-26 | 2019-04-02 | 浙江正泰电器股份有限公司 | Miniature electro-magnetic relay |
| CN109559935B (en) * | 2017-09-26 | 2024-02-23 | 浙江正泰电器股份有限公司 | Small electromagnetic relay |
| CN108091520A (en) * | 2017-12-26 | 2018-05-29 | 福建信息职业技术学院 | A kind of low-power consumption integrated relay switch |
| CN108091520B (en) * | 2017-12-26 | 2024-05-14 | 福建信息职业技术学院 | Low-power-consumption integrated relay switch |
| CN111863541A (en) * | 2020-08-06 | 2020-10-30 | 南京贝思特信息科技有限公司 | Energy-saving contactor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140917 Termination date: 20150530 |
|
| EXPY | Termination of patent right or utility model |