CN105390869A - Plug locking device for surge protection device - Google Patents
Plug locking device for surge protection device Download PDFInfo
- Publication number
- CN105390869A CN105390869A CN201510946984.7A CN201510946984A CN105390869A CN 105390869 A CN105390869 A CN 105390869A CN 201510946984 A CN201510946984 A CN 201510946984A CN 105390869 A CN105390869 A CN 105390869A
- Authority
- CN
- China
- Prior art keywords
- plug
- clamp
- module
- grab
- base
- 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.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
- H01R13/6275—Latching arms not integral with the housing
Abstract
The invention provides a plug locking device for a surge protection device. A plug module of the surge protection device is locked on a base; the plug locking device comprises a clamping plate, an elastic piece and a clamping slot; the clamping plate is installed on a shell of the plug module; a bottom end of the clamping plate includes a hook; the elastic piece is installed between the clamping plate and the shell of the plug module, and applies an elastic force to the clamping plate, so that the clamping plate has a trend of stretching outwards from the shell of the plug module; the clamping slot is located on a shell of the base; the hook is embedded in the clamping slot; the elastic piece acts on the clamping plate and locks the hook in the clamping slot; the plug module is locked on the base, the hook is pulled out of the clamping slot, and the locking of the plug module and the base is relieved. The plug locking device for the surge protection device provided by the invention uses the elastic piece to provide the elastic force to the clamping plate, and the use of the elastic force due to the own deformation of the clamping plate can be avoided; the elastic force provided by the elastic piece is more stable, and the clamping plate does not need to be under a deformation state for a long time, which can help to improve the service life of the clamping plate.
Description
Technical field
The present invention relates to Low Voltage Electrical Apparatus, more particularly, relate to the plug locking system of pluggable surge protector.
Background technology
In order to installation and maintenance is convenient, surge protector is designed to plug type more and more, generally comprises base and plug-in module.Comprise the element for overvoltage protection in plug-in module, such as switching mode, pincers die mould components and parts etc., generally also comprise faulty indication, remote signalling actuating mechanism etc.Base generally forms concave body, for holding plug-in module, generally comprises for the securing member of electrical connection module and the terminal for connecting wire in base.Containing main overvoltage protection element in plug-in module; base mainly bears the effect of holding module and electrical connection module and outer lead, therefore in replacement or can contact electric connection terminal or other live parts when safeguarding plug-in module and directly take off plug-in module and change.
Most plug type surge protectors does not arrange locking device between plug-in module and base, and the pin (being arranged on plug-in module) in the fixing main dependence electric loop between base and plug-in module and the chucking power between flexure strip (being positioned at base) realize.This fixed form very built on the sand; in transport, situation such as vibration operating mode and heavy current impact etc.; resilient clamping force only by pin and flexure strip likely causes plug-in module to come off from base; this causes unnecessary trouble maybe cannot play due protective effect by causing product, thus causes life and property loss.
The plug type surge protector of part also provides extra fixed structure between plug-in module and base.Such as Chinese patent application CN101490916 disclose a kind of for overvoltage protection can the device assembly of connector, comprise the lower component of the U-shaped of a base type, for receiving at least one connector module, this connector module receives overvoltage protection element, wherein be arranged on the stop mechanism acted between connector module and the lower component of base type, stop mechanism is included in the retainer lug that the hinge movable joint that is under pretension is formed on two of connector module relative sides, retainer lug is embedded in a locking groove of attaching troops to a unit on connector module respectively, wherein can be cancelled stop to connect by the pressure be applied on the hinge movable joint on the side of connector module.By the present invention, corresponding hinge movable joint is in the transitional region between the top side of connector module and corresponding side, and wherein hinge movable joint is transitioned into the operating surface of the lower component orientation towards base type.End below operating surface is formed the retainer lug of hook-type, its stop surface and operating surface form the angle being less than 90 °.The U-shaped leg of last lower component has the locking groove of the undercutting of a hook-type respectively, and this locking groove is complementally formed with retainer lug substantially.
In the scheme that CN101490916 discloses, the locking of the retainer lug of hook-type is advocated will from the elastic force with material self, and namely material self is under deformed state all the time to provide elastic force to carry out locking.The defect of this scheme is that the elastic force owing to being provided by material self weakens along with the aging of material; and the material mainly working of plastics at present surge protector housing used; the aging rear elasticity of working of plastics significantly weakens; also easily occur the situation of fracture, therefore still there is certain defect in useful life of the program and safety in utilization.
Summary of the invention
The present invention is intended to the plug locking system proposing a kind of surge protector, provides elastic force by independently elastic component.
According to one embodiment of the invention, propose a kind of plug locking system of surge protector, be locked on base by the plug-in module of surge protector, this plug locking system comprises clamp, elastic component and draw-in groove.Clamp is arranged on the shell of plug-in module, and the bottom of clamp has grab.Elastic component is arranged between clamp and the shell of plug-in module, and elastic component applies elastic force to clamp and makes clamp have shell outwardly trend from plug-in module.Draw-in groove is positioned on the housing of base.Grab embeds draw-in groove, and described elastic component acts on clamp and is locked in draw-in groove by grab, and plug-in module is locked on base, and grab exits from draw-in groove, the latch-release of plug-in module and base.
In one embodiment, clamp is arranged on the shell of plug-in module by axis of rotation, and the shell of plug-in module has guide vane end stop on the top of corresponding clamp and the position of bottom.
In one embodiment, the bottom of clamp extends downward the position lower than base top, and grab can arrive at and embed draw-in groove.
In one embodiment, the middle part of clamp is lever piece, and elastic component acts on the inner side of lever piece, and the outside of the section of work has tread plate.
In one embodiment, elastic component is spring.
In one embodiment, the end face of grab is locking face, and locking face and clamp are vertical angle, and the bottom surface of grab is guide surface, and guide surface is inclined-plane.
In one embodiment, the downward inserted base of plug-in module, the shell of base acts on clamp, and clamp compressing elastic component shrinks, and the guide surface of grab guides grab to enter in draw-in groove, and elastic component restores, and grab is locked in draw-in groove by the locking face of grab.
In one embodiment, the lever piece to clamp exerts a force, and clamp compressing elastic component shrinks, and grab exits and unlocks from draw-in groove, and plug-in module is separated with base.
The plug locking system of surge protector of the present invention uses elastic component to provide elastic force for clamp; avoid the elastic force using clamp self-deformation to bring; the elastic force that elastic component provides is more stable, and clamp does not need to be in for a long time the useful life that deformed state also contributes to promoting clamp.
Accompanying drawing explanation
The above and other feature of the present invention, character and advantage are by more obvious by what become below in conjunction with the description of drawings and Examples, and Reference numeral identical in the accompanying drawings represents identical feature all the time, wherein:
Fig. 1 is according to the structure chart of the plug locking system of one embodiment of the invention.
Fig. 2 discloses the structure chart of the plug-in module of the surge protector that plug locking system of the present invention is housed.
Fig. 3 discloses the structure chart of the surge protector that plug locking system of the present invention is housed.
Embodiment
Shown in figure 1 ~ Fig. 3, disclose the structure chart of the plug locking system of the surge protector according to one embodiment of the invention.Wherein Fig. 1 discloses the structure of this plug locking system, and Fig. 2 discloses the structure chart of the plug-in module of the surge protector that this plug locking system is housed, and Fig. 3 discloses the structure chart of the surge protector that this plug locking system is housed.As shown in the figure, the plug locking system of this surge protector is used for the plug-in module 101 of surge protector to be locked in base 102, and this plug locking system comprises: clamp 203, elastic component 202 and draw-in groove 205.Clamp 203 is arranged on the shell 201 of plug-in module 101.The shell 201 of plug-in module 101 has a framework 204, and as shown in Figure 1, the bottom of framework 204 is extended with two pins 206.Concave indentation on the size of framework 204 and base 102 matches, and plug-in module 101 can be inserted in the concave indentation on base 102 thus.Shown in figure 2, clamp 203 roughly can be divided into three sections: the top of clamp 203 is arranged on framework 204 by rotating shaft 231, and clamp 203 can 231 be rotated around the shaft.The bottom of clamp has grab 234, and grab 234 coordinates with draw-in groove 205.The middle part of clamp 203 is lever piece.Elastic component 202 is arranged between the shell 201 of clamp 203 and plug-in module, and more specifically, one end of elastic component 202 is arranged on the lateral wall of framework 204, and the other end of elastic component 202 is fixed on the inner side of the lever piece of clamp 203.As shown in Figure 2, in the inner side of the lateral wall of framework 204 and the lever piece of clamp 203, there is groove 241 and 233 (groove on framework 204 is 241, and the groove on clamp 203 is 233) for installing elastic component 202 respectively.In one embodiment, elastic component 202 is springs.Elastic component 202 applies elastic force to clamp 203 and makes clamp 203 have shell 201 outwardly trend from plug-in module.On the shell 201 of plug-in module, be more specifically on framework 204, on the corresponding top of clamp 203 and the position of bottom, there is guide vane end stop, comprise upper limit block 242 and bottom guide vane end stop 243.Because clamp 203 can 231 rotate around the shaft, in order to limit the slewing area of clamp 203, use guide vane end stop, upper limit block 242 and bottom guide vane end stop 243 limit clamp 203 and rotate in certain scope.Grab 234 is positioned at the bottom of clamp 203, and grab 234 roughly forms del.The end face 235 of grab 234 is locking faces, and in the illustrated embodiment in which, locking face 235 and clamp 203 are in vertical angle, and clamp 203 is vertical direction and locking face 235 is horizontal directions substantially.The bottom surface 236 of grab 234 is guide surfaces, and guide surface 236 is inclined-planes.Draw-in groove 205 is positioned on the housing of base 102.Draw-in groove 205 is positioned at the concave indentation of base 102, on the sidewall of concave indentation and be the position at top near base 102.The shape of draw-in groove 205 is also del, with the mating shapes of grab 234.The end face of draw-in groove 205 is planes, and bottom surface is inclined-plane.Shown in figure 3, from size, the length of clamp 203 should make the bottom of clamp 203 can extend downward position lower than base 102 top, can arrive at and embed draw-in groove 205 to make grab 234.Meanwhile, the lever piece in the middle part of clamp 203 should not be subject to any stop, so that operate lever piece.
The use procedure of the plug locking system of this surge protector is as follows:
Insert at plug-in module 101 and be locked in the process of base 102.In the concave indentation of the downward inserted base 102 of plug-in module 101.The grab 234 of clamp 203 bottom and the housing contacts of base 102, under the effect of the guide surface 236 of grab 234, the shell compressing clamp 203 of base makes clamp 203 231 rotate clockwise around the shaft, clamp 203 rotates backward interior contraction, oppress elastic component 202 simultaneously, so under the effect of guide surface 236, grab 234 can smoothly by the top area of the shell of base 102.Then grab 234 can enter into draw-in groove 205.After grab 234 enters draw-in groove 205, clamp 203 no longer receives compressing, and elastic component 202 restores, and promotes clamp 203 outside, namely rotates counterclockwise, grab 234 is embedded in draw-in groove 205.Now, the locking face 235 on grab 234 is engaged with the end face of draw-in groove 205, and grab 234 is locked in draw-in groove 205.Because elastic component 202 can provide lasting elastic force laterally, grab 234 is stable with being engaged of draw-in groove 205, thus is stably locked in base 102 by plug-in module 101.
When needs contact locking, the lever piece to clamp 203 applies external force, is inwardly pushed away by clamp 203.In the illustrated embodiment in which, have tread plate 232 in the outside of the lever piece of clamp 203, tread plate 232 can play anti-skidding effect.Under the effect of external force, clamp 203 231 rotates clockwise and inwardly shrinks around the shaft, oppresses elastic component 202 simultaneously.After clamp 203 rotates, grab 234 exits and unlocks from draw-in groove 205.Upwards extract plug-in module 101, plug-in module 101 is separated with base 102.After removing external force, under the effect of elastic component 202, clamp 203 returns to initial state again.
Plug locking system of the present invention is in the process used, clamp 203 makes grab 234 enter or exit draw-in groove 205 in a rotating manner, substantially there is not deformation in self, therefore can make, to increase the useful life of clamp 203 by the higher material of working strength.The snap-in force of grab and grab comes from independently elastic component 202, independently elastic component can provide larger elastic force and also have longer useful life, therefore this plug locking system has larger elastic force, locking can be made more firm, also have better useful life simultaneously.
The plug locking system of surge protector of the present invention uses elastic component to provide elastic force for clamp; avoid the elastic force using clamp self-deformation to bring; the elastic force that elastic component provides is more stable, and clamp does not need to be in for a long time the useful life that deformed state also contributes to promoting clamp.
Above-described embodiment is available to be familiar with person in the art to realize or to use of the present invention; those skilled in the art can be without departing from the present invention in the case of the inventive idea; various modifications or change are made to above-described embodiment; thus protection scope of the present invention not limit by above-described embodiment, and should be the maximum magnitude meeting the inventive features that claims are mentioned.
Claims (8)
1. a plug locking system for surge protector, is locked on base by the plug-in module of surge protector, it is characterized in that, this plug locking system comprises:
Clamp, clamp is arranged on the shell of plug-in module, and the bottom of clamp has grab;
Elastic component, is arranged between clamp and the shell of plug-in module, and elastic component applies elastic force to clamp and makes clamp have shell outwardly trend from plug-in module;
Draw-in groove, draw-in groove is positioned on the housing of base;
Grab embeds draw-in groove, and described elastic component acts on clamp and is locked in draw-in groove by grab, and plug-in module is locked on base, and grab exits from draw-in groove, the latch-release of plug-in module and base.
2. the plug locking system of surge protector as claimed in claim 1, it is characterized in that, clamp is arranged on the shell of plug-in module by axis of rotation, and the shell of plug-in module has guide vane end stop on the top of corresponding clamp and the position of bottom.
3. the plug locking system of surge protector as claimed in claim 1, it is characterized in that, the bottom of described clamp extends downward the position lower than base top, and grab can arrive at and embed draw-in groove.
4. the plug locking system of surge protector as claimed in claim 3, it is characterized in that, the middle part of described clamp is lever piece, and described elastic component acts on the inner side of lever piece, and the outside of described lever piece has tread plate.
5. the plug locking system of surge protector as claimed in claim 1, it is characterized in that, described elastic component is spring.
6. the plug locking system of surge protector as claimed in claim 1, it is characterized in that, the end face of described grab is locking face, and described locking face and clamp are vertical angle, and the bottom surface of described grab is guide surface, and described guide surface is inclined-plane.
7. the plug locking system of surge protector as claimed in claim 6; it is characterized in that; the downward inserted base of plug-in module; the shell of base acts on clamp; clamp compressing elastic component shrinks; the guide surface of grab guides grab to enter in draw-in groove, and elastic component restores, and grab is locked in draw-in groove by the locking face of grab.
8. the plug locking system of surge protector as claimed in claim 7, it is characterized in that, the lever piece to clamp exerts a force, and clamp compressing elastic component shrinks, and grab exits and unlocks from draw-in groove, and plug-in module is separated with base.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510946984.7A CN105390869B (en) | 2015-12-16 | 2015-12-16 | The plug locking system of surge protector |
| PCT/CN2016/108827 WO2017101718A1 (en) | 2015-12-16 | 2016-12-07 | Plug locking device of a surge protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510946984.7A CN105390869B (en) | 2015-12-16 | 2015-12-16 | The plug locking system of surge protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105390869A true CN105390869A (en) | 2016-03-09 |
| CN105390869B CN105390869B (en) | 2019-03-01 |
Family
ID=55422855
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510946984.7A Active CN105390869B (en) | 2015-12-16 | 2015-12-16 | The plug locking system of surge protector |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105390869B (en) |
| WO (1) | WO2017101718A1 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017101718A1 (en) * | 2015-12-16 | 2017-06-22 | 上海电科电器科技有限公司 | Plug locking device of a surge protection device |
| CN109904729A (en) * | 2017-12-08 | 2019-06-18 | 四川中光防雷科技股份有限公司 | A kind of connecting element for overvoltage protection |
| WO2020182008A1 (en) * | 2019-03-14 | 2020-09-17 | 青岛海尔洗衣机有限公司 | Cross beam for clothing shaking device, clothing shaking device and clothing care equipment |
| CN111703795A (en) * | 2020-06-01 | 2020-09-25 | 中国电子科技集团公司第三十八研究所 | Material taking device of four-direction vehicle and four-direction vehicle |
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| CN202474784U (en) * | 2012-01-31 | 2012-10-03 | 常州市创捷防雷电子有限公司 | Surge protector |
| CN202977882U (en) * | 2012-11-26 | 2013-06-05 | 罗晓峰 | Anti-falling-off socket and plug for electric motorcycle |
| CN203950989U (en) * | 2014-06-04 | 2014-11-19 | 凌卡 | A kind of fast hitch mechanism |
| CN204216309U (en) * | 2014-11-04 | 2015-03-18 | 浙江中杭电子有限公司 | A kind of micro-rectangle locks electric connector soon |
| CN205282770U (en) * | 2015-12-16 | 2016-06-01 | 上海电科电器科技有限公司 | Surge protector's plug locking means |
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| US4990099A (en) * | 1989-09-18 | 1991-02-05 | High Voltage Engineering Corp. | Keyed electrical connector with main and auxiliary electrical contacts |
| CN2821915Y (en) * | 2005-05-09 | 2006-09-27 | 连展科技（深圳）有限公司 | Connector |
| CN101552393A (en) * | 2009-05-14 | 2009-10-07 | 宜鼎国际股份有限公司 | SATA data connection device capable of increasing confidence |
| US8303326B1 (en) * | 2011-07-24 | 2012-11-06 | Hon Hai Precision Ind. Co., Ltd. | Cable connector assembly with locking members with spring-actuated plungers |
| CN105390869B (en) * | 2015-12-16 | 2019-03-01 | 上海电科电器科技有限公司 | The plug locking system of surge protector |
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2015
- 2015-12-16 CN CN201510946984.7A patent/CN105390869B/en active Active
-
2016
- 2016-12-07 WO PCT/CN2016/108827 patent/WO2017101718A1/en active Application Filing
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202474784U (en) * | 2012-01-31 | 2012-10-03 | 常州市创捷防雷电子有限公司 | Surge protector |
| CN202977882U (en) * | 2012-11-26 | 2013-06-05 | 罗晓峰 | Anti-falling-off socket and plug for electric motorcycle |
| CN203950989U (en) * | 2014-06-04 | 2014-11-19 | 凌卡 | A kind of fast hitch mechanism |
| CN204216309U (en) * | 2014-11-04 | 2015-03-18 | 浙江中杭电子有限公司 | A kind of micro-rectangle locks electric connector soon |
| CN205282770U (en) * | 2015-12-16 | 2016-06-01 | 上海电科电器科技有限公司 | Surge protector's plug locking means |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017101718A1 (en) * | 2015-12-16 | 2017-06-22 | 上海电科电器科技有限公司 | Plug locking device of a surge protection device |
| CN109904729A (en) * | 2017-12-08 | 2019-06-18 | 四川中光防雷科技股份有限公司 | A kind of connecting element for overvoltage protection |
| WO2020182008A1 (en) * | 2019-03-14 | 2020-09-17 | 青岛海尔洗衣机有限公司 | Cross beam for clothing shaking device, clothing shaking device and clothing care equipment |
| US11889935B2 (en) | 2019-03-14 | 2024-02-06 | Qingdao Haier Washing Machine Co., Ltd. | Cross beam for clothing shaking device, clothing shaking device and clothing care equipment |
| CN111703795A (en) * | 2020-06-01 | 2020-09-25 | 中国电子科技集团公司第三十八研究所 | Material taking device of four-direction vehicle and four-direction vehicle |
| CN111703795B (en) * | 2020-06-01 | 2021-10-22 | 中国电子科技集团公司第三十八研究所 | Material taking device of four-direction vehicle and four-direction vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2017101718A1 (en) | 2017-06-22 |
| CN105390869B (en) | 2019-03-01 |
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