CN108766803B - Waterproof travel switch with modularized structure - Google Patents
Waterproof travel switch with modularized structure Download PDFInfo
- Publication number
- CN108766803B CN108766803B CN201810870315.XA CN201810870315A CN108766803B CN 108766803 B CN108766803 B CN 108766803B CN 201810870315 A CN201810870315 A CN 201810870315A CN 108766803 B CN108766803 B CN 108766803B
- Authority
- CN
- China
- Prior art keywords
- driving
- button
- module
- contact
- peristaltic
- 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.)
- Active
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H3/00—Mechanisms for operating contacts
- H01H3/32—Driving mechanisms, i.e. for transmitting driving force to the contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/02—Bases, casings, or covers
- H01H9/04—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings
Landscapes
- Push-Button Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Abstract
The invention discloses a waterproof travel switch with a modularized structure, which is characterized by comprising a driving device, a machine base, a sealing gasket, a machine cover, a fixing nut and a driving module; the driving device is arranged above the machine base; the driving device drives the driving module below; the driving module is arranged in the base and is a replaceable module; the sealing gasket is embedded into a sealing groove arranged along the periphery of the machine seat; a cover is arranged on the outer side of the sealing gasket; the machine cover is fixed with the machine base fixing nut; in the driving of the waterproof travel switch, the direction of the driving structure can be conveniently adjusted according to the use condition of an actual terminal, and the requirements of various driving directions can be flexibly met; meanwhile, the driving module can be replaced quickly, simply and conveniently, all the replacement of the travel switch is not needed, and the peristaltic contact type module structure and the instantaneous type module structure are adopted, so that the diversified module structure is formed.
Description
Technical Field
The invention relates to a low-voltage electrical appliance, in particular to a waterproof travel switch with a modularized structure.
Background
The waterproof travel switch enables a common low-current main circuit to be electric, serves as a control component, plays roles of limiting, controlling and the like in daily mechanical equipment control, and can meet various driving forms and driving directions and electric logic relation of the travel switch due to limitations of various driving structures, space designs and electric performance requirements in end use, so that the flexible structure requirements of the travel switch under various conditions are generated. In the prior art, a waterproof travel switch is often used as a control component, but in the prior art, the whole switch is generally replaced when the travel switch is replaced, but sometimes the travel switch is not damaged except for a contact part, and the whole switch is not convenient to replace. Sometimes when the contacts of the travel switch need to be replaced for normally open or normally closed contacts, the whole switch needs to be replaced in the prior art, and modularized replacement is not realized in the travel switch. In addition, because the functions of different driving modules are different, the application of different parameters and different use conditions can be completed by replacing the driving modules, and a switch does not need to be directly replaced, so that the device is more convenient for customers to use, and the replacement cost is lower.
Disclosure of Invention
The invention aims at overcoming the defects of the prior art, and the invention aims at realizing the technical scheme that the device comprises a driving device, a machine base, a sealing gasket, a machine cover, a fixing nut and a driving module; the driving device is arranged above the machine base and is a replaceable structural module; the driving device drives the driving module below; the driving module is arranged in the machine base and is a replaceable module, and the sealing gasket is embedded into a sealing groove formed along the periphery of the machine base; a cover is arranged on the outer side of the sealing gasket; the cover and the base are fixed by adopting a fixing nut.
Further, the replaceable structure of the driving device is any one of lever driving type, plunger push rod type and roller button type.
Further, the lever driving type driving device comprises a top cover, a support, a lever driving piece, a button sealing ring and a reset spring; the top cover and the machine base are of a thread fixing structure; a support is arranged on the top cover; a rotating shaft is arranged in the support; the support is movably connected with the lever driving piece; a through hole is formed in the top cover; a button driving piece is arranged in the through hole; one end of the button driving piece is arranged below the lever driving piece; the other end of the button driving piece is provided with a structural groove; a button sealing ring in interference fit with the button driving piece is arranged on the structural groove; a reset spring is arranged below the button sealing ring; the button driving piece, the button sealing ring and the reset spring are all arranged in a round hole formed in the base; one end of the reset spring is propped against the button driving piece to be connected under the round hole; the other end of the return spring abuts against the driving module.
Further, the roller button type driving device comprises a top cover, rollers, a telescopic rod and a button driving piece, wherein the telescopic rod is arranged in the center of the top cover, and the rollers are arranged on the telescopic rod; the button driving piece is arranged below the telescopic rod.
Further, the plunger push rod type driving device comprises a top cover, a conical cylinder and a button driving piece; a conical cylinder is arranged in the center of the top cover; a button driving piece is arranged below the conical cylinder.
Further, the driving module is a snap module and comprises a contact shell, a button frame, a cylindrical spring, an arched spring piece, a snap contact, a permanent magnet mounting groove and a permanent magnet; a button frame is arranged inside the contact shell, a cylindrical spring is sleeved on a cylinder above the button frame, and the cylindrical spring is arranged outside the contact shell; an arch spring piece is connected below the button frame; the middle of the arched spring piece is connected with a contact connecting rod; the contact connecting rod is provided with a first movable contact and a second movable contact; the first movable contact and the fixed contact arranged on the contact shell form a normally open contact; the second movable contact and the fixed contact arranged on the contact shell form a normally closed contact; a permanent magnet mounting groove is formed in the contact shell at the outer sides of the normally open contact and the normally closed contact, and a permanent magnet is arranged in the permanent magnet mounting groove.
Further, the driving module is a peristaltic module; the peristaltic module comprises a peristaltic module contact shell, a button connecting rod, a peristaltic spring and a transverse connecting rod; one end of the button connecting rod is arranged outside the peristaltic module contact shell, and a plurality of transverse connecting rods are arranged on the button connecting rod; the movable contacts are symmetrically arranged on the transverse connecting rod; the movable contact and the fixed contact arranged on the peristaltic module contact shell form any one of a normally open contact and a normally closed contact; a peristaltic spring is arranged between the lower part of the button connecting rod and the contact shell; a permanent magnet mounting groove is arranged on the outer side of any one of the normally open contact or the normally closed contact.
Further, the back of the driving module is provided with an installation positioning hole; the installation locating hole is located with the installation locating pin arranged on the base, and the total number of the normally open contact and the normally closed contact is an integer of 1-3.
Further, one end of the lever driving piece is provided with a pulley; the driving direction of the lever driving piece is any one direction of 90 degrees.
Further, a wire inlet hole is formed in the bottom of the waterproof travel switch, and a waterproof sealing ring is arranged on the inner side of the wire inlet hole.
The invention has the technical effects that the driving structure direction can be conveniently adjusted according to the actual terminal use condition in driving by utilizing the characteristics of the waterproof travel switch, and the requirements of various driving directions can be flexibly met; meanwhile, the driving module can be quickly, simply and conveniently replaced, all replacement of a travel switch is not needed, and a peristaltic contact type module structure and a snap type module structure can be adopted according to actual working condition requirements on an electrical structure, so that a variety of module structures are formed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of a blasting process according to a first embodiment of the present invention;
FIG. 3 is a schematic diagram of a blasting process according to a second embodiment of the present invention;
FIG. 4 is a schematic diagram of a blasting process according to a third embodiment of the present invention;
fig. 5 is a schematic diagram of the burst module 9A;
FIG. 6 is a schematic diagram of the bursting of peristaltic module 9B;
FIG. 7 is a schematic view of a module mounting structure;
FIG. 8 is a schematic view of an assembled structure;
Fig. 9 is a schematic view of the driving direction.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the embodiment, as shown in fig. 1 and fig. 2, a waterproof travel switch with a modularized structure is provided, which comprises a driving device 1, a base 3, a sealing gasket 10, a cover 2, a fixing nut 8 and a driving module 9; the driving device 1 is arranged above the stand 3; the sealing gasket 10 is embedded into a sealing groove 31 formed along the periphery of the machine base 3; a cover 2 is arranged outside the sealing gasket 10; the cover 2 and the base 3 are fixed by a fixing nut 8; the driving device 1 is a replaceable structural module, and the driving device 1 drives the driving module 9 below; the driving module 9 is arranged inside the stand 3 and is a replaceable module; the replacement can be performed according to different functions respectively; the driving module 9 adopted in the embodiment 1 is a module with different functions, such as the snap module 9A, and the peristaltic module 9B, adopted in the embodiment 2, so that different functions of a product can be realized according to different electrical requirements, and the functions of different modules are realized; the structure solves the problem that the driving structure direction can be conveniently adjusted according to the actual use condition of the terminal in driving by utilizing the characteristics of the waterproof travel switch, and the requirements of various driving directions can be flexibly met; meanwhile, the driving module can be quickly, simply and conveniently replaced, all replacement of a travel switch is not needed, and a peristaltic contact type module structure and a snap type module structure can be adopted according to actual working condition requirements on an electrical structure, so that a variety of module structures are formed.
Referring again to fig. 2,3, and 4, a common reference is provided; the driving device 1 is in three forms of replaceable structural modules, and the replaceable structure is respectively in a lever driving type or plunger push rod type or roller button type. The binding examples 1-3 were specifically as follows:
The driving device according to the embodiment 1 is shown in fig. 2, wherein the driving device 1 comprises a top cover 101, a support 103, a lever driving piece 102, a button driving piece 5, a button sealing ring 6 and a reset spring 7; the top cover 101 and the machine base 3 are of a thread fixing structure; a support 103 is arranged on the top cover 101; a rotation shaft 104 is provided in the support 103; the support 103 is movably connected with the lever driving piece 102; a through hole 105 is formed in the top cover 101; a button driver 5 is provided in the through hole 105; one end of the button driving piece 5 is disposed below the lever driving piece 102; the other end of the button driving part 5 is provided with a structural groove 51; a button sealing ring 6 in interference fit with the button driving piece 5 is arranged on the structural groove 51; a reset spring 7 is arranged below the button sealing ring 6; the button driving piece 5, the button sealing ring 6 and the reset spring 7 are all arranged in a round hole 32 formed in the base 3; one end of the return spring 7 is connected against the button driving piece 5 below the round hole 32; the other end of the return spring 7 abuts against the drive module 9.
Described above in connection with embodiment 1 is the first structure of the driving device 1; embodiment 2 another construction of the driving device 1 is provided in combination with fig. 3; the driving device comprises a top cover 101, a roller 1B, a telescopic rod 105 and a button driving piece 5, wherein the telescopic rod 105 is arranged in the center of the top cover 101, and the roller 1B is arranged on the telescopic rod 105; a button driver 5 is provided below the telescopic link 105. The structures of the structure groove 51, the button sealing ring 6, and the return spring 7 provided below the button driving part 5 are all identical to those of embodiment 1.
Described above in connection with embodiment 1 and embodiment 2 are two structures of the driving device 1, and embodiment 3 in connection with fig. 4 provides a 3 rd structure of the driving device 1; the driving device 1 comprises a top cover 101, a conical cylinder 1C and a button driving piece 5; a tapered cylinder 1C is provided in the center of the top cover 101; a button driving part 5 is arranged below the conical cylinder 1C; the above-described driving structure can also drive the button driving piece 5; the structures of the structure groove 51, the button sealing ring 6, and the return spring 7 provided below the button driving part 5 are all identical to those of embodiment 1.
As shown in example 1, example 2 and example 3; 3 driving means structure for driving the button driving part 5 in a contact manner; according to different application occasions, 3 different driving devices can be selected for driving.
Since the modules used for the driving module 9 can be set separately according to different functions required for the product, the snap module 9A is shown in embodiment 1; in embodiment 2, modules with different functions such as peristaltic module 9B are adopted, so that different functions of the product can be realized according to different electrical requirements, and the functions of the different modules are realized. Referring to fig. 2 and 5, the driving module 9 is a snap module 9A, and referring to fig. 5; the snap module 9A comprises a contact shell 9A1, a button frame 9A2, a cylindrical spring 9A3, an arcuate spring piece 9A5, a snap contact, a permanent magnet mounting groove 9A9 and a permanent magnet 13; a button frame 9A2 is arranged inside the contact shell 9A1, a cylindrical spring 9A3 is sleeved on a cylinder above the button frame 9A2, and the cylindrical spring 9A3 is arranged outside the contact shell 9A 1; an arcuate spring piece 9A5 is connected below the button frame 9 A2; the middle of the arc-shaped spring piece 9A5 is connected with a contact connecting rod 9A6; the contact connecting rod 9A6 is provided with a first movable contact 9A7 and a second movable contact 9A8; the first movable contact 9A7 forms a normally open contact with a fixed contact 9a10 provided on the contact housing 9 A1; the second movable contact 9A8 forms a normally closed contact with a fixed contact 9a10 provided on the contact housing 9 A1; a permanent magnet mounting groove 9A9 is provided on the contact housing 9A1 outside the normally open contact and the normally closed contact, and a permanent magnet 13 is provided in the permanent magnet mounting groove 9 A9.
In the embodiment 2, a peristaltic module 9B is adopted, and as shown in fig. 3 and 6, the peristaltic module 9B comprises a peristaltic module contact housing 9B1, a button connecting rod 9B3, a peristaltic spring 9B9 and a transverse connecting rod 9B6; one end of the button connecting rod 9B3 is arranged outside the peristaltic module contact shell 9A1, and a plurality of transverse connecting rods 9B6 are arranged on the button connecting rod 9B 3; the movable contact 9B5 is symmetrically arranged on the transverse connecting rod 9B6; the movable contact 9B5 and the fixed contact 9B7 arranged on the peristaltic module contact shell 9B1 form any one of a normally open contact and a normally closed contact; a peristaltic spring 9B9 is arranged between the lower part of the button connecting 9B3 rod and the peristaltic module contact shell 9B 1; a permanent magnet mounting groove 9A9 is provided on the outer side of any one of the normally open contact and the normally closed contact.
The snap module 9A and the peristaltic module 9B are adopted by the driving module 9; the switch can be interchanged in the actual application according to the switch, and can be applied under the different driving device structures in the embodiment 1, the embodiment 2 and the embodiment 3, so that the combined application of the waterproof travel switch of at least 6 different modules is formed.
In order to allow the snap module 9A and the peristaltic module 9B to be mounted in the switch housing, a mounting and positioning hole 910 is provided on the back of the driving module 9 as shown in fig. 7; the mounting positioning hole 910 is positioned with a mounting positioning pin 34 provided on the housing 3. Thereby ensuring that the snap-action module 9A and the peristaltic module 9B can be quickly installed into the switch housing, which provides for quick replacement.
In order to realize different functions and ensure the application in different occasions, in the snap module 9A and the peristaltic module 9B, as shown in the figures 5 and 6, the number of normally open contacts is an integer number of 1-3; the number of normally-closed contacts is also an integer number of 1 to 3 (not all of 0 integers). The total number of normally open and normally closed contacts is 1-3.
In order to realize that the lever driving member 102 in the embodiment 1 can realize driving in different directions, one end of the lever driving member 102 is provided with a pulley; the driving direction of the lever driving piece 102 is any one direction of 90 degrees, as shown in fig. 8 and 9, the plane is in a horizontal parallel state, so that the installation plane and the driving plane are in one direction; or the installation plane is in a vertical installation mode, and the external driving mode is positioned on the right side of the switch installation plane, so that the driving directions of various client markets are met.
In the above embodiments 1,2 and 3, as shown in fig. 3 and 4, a wire inlet hole 33 and a sealing ring 32 are provided at the bottom of the waterproof travel switch. Such a structure ensures the water resistance of the wire inlet hole 33, thereby integrally ensuring the overall water-proof effect.
As a preferred embodiment of the present invention, it is apparent to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiment, but that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof, and is also the scope of the present invention. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (1)
1. The waterproof travel switch with the modularized structure is characterized by comprising a driving device, a machine base, a sealing gasket, a machine cover, a fixing nut and a driving module; the driving device is arranged above the machine base and is a replaceable structural module; the driving device drives the driving module below; the driving module is arranged in the machine base and is a replaceable module, and the sealing gasket is embedded into a sealing groove formed along the periphery of the machine base; a cover is arranged on the outer side of the sealing gasket; the cover and the base are fixed by adopting a fixing nut;
The replaceable module of the driving module is a snap module or a peristaltic module, and different functions of the product are realized according to different electrical requirements;
The snap module comprises a contact shell, a button frame, a cylindrical spring, an arcuate spring piece, a snap contact, a permanent magnet mounting groove and a permanent magnet; a button frame is arranged inside the contact shell, a cylindrical spring is sleeved on a cylinder above the button frame, and the cylindrical spring is arranged outside the contact shell; an arch spring piece is connected below the button frame; the middle of the arched spring piece is connected with a contact connecting rod; the contact connecting rod is provided with a first movable contact and a second movable contact; the first movable contact and the fixed contact arranged on the contact shell form a normally open contact; the second movable contact and the fixed contact arranged on the contact shell form a normally closed contact; a permanent magnet mounting groove is formed in the contact shell at the outer sides of the normally open contact and the normally closed contact, and a permanent magnet is arranged in the permanent magnet mounting groove;
The peristaltic module is used for controlling the peristaltic force of the peristaltic motor; the peristaltic module comprises a peristaltic module contact shell, a button connecting rod, a peristaltic spring and a transverse connecting rod; one end of the button connecting rod is arranged outside the peristaltic module contact shell, and a plurality of transverse connecting rods are arranged on the button connecting rod; the movable contacts are symmetrically arranged on the transverse connecting rod; the movable contact and the fixed contact arranged on the peristaltic module contact shell form any one of a normally open contact and a normally closed contact; a peristaltic spring is arranged between the lower part of the button connecting rod and the contact shell; a permanent magnet mounting groove is arranged on the outer side of any one of the normally open contacts or the normally closed contacts;
the replaceable structure of the driving device is any one of lever driving type, plunger push rod type and roller button type; 3 different driving devices are selected for driving according to different application occasions;
The lever driving type driving device comprises a top cover, a support, a lever driving piece, a button sealing ring and a reset spring; the top cover and the machine base are of a thread fixing structure; a support is arranged on the top cover; a rotating shaft is arranged in the support; the support is movably connected with the lever driving piece; a through hole is formed in the top cover; a button driving piece is arranged in the through hole; one end of the button driving piece is arranged below the lever driving piece; the other end of the button driving piece is provided with a structural groove; a button sealing ring in interference fit with the button driving piece is arranged on the structural groove; a reset spring is arranged below the button sealing ring; the button driving piece, the button sealing ring and the reset spring are all arranged in a round hole formed in the base; one end of the reset spring is propped against the button driving piece to be connected under the round hole; the other end of the reset spring is propped against the driving module;
the roller button type driving device comprises a top cover, rollers, a telescopic rod and a button driving piece, wherein the telescopic rod is arranged in the center of the top cover, and the rollers are arranged on the telescopic rod; a button driving piece is arranged below the telescopic rod;
The plunger push rod type driving device comprises a top cover, a conical cylinder and a button driving piece; a conical cylinder is arranged in the center of the top cover; a button driving piece is arranged below the conical cylinder;
The back of the driving module is provided with a mounting positioning hole; the installation positioning hole is positioned with an installation positioning pin arranged on the base, and the total number of the normally open contact and the normally closed contact is an integer of 1-3;
One end of the lever driving piece is provided with a pulley; the driving direction of the lever driving piece is any one direction of 0-90 degrees;
The bottom of the waterproof travel switch is provided with a wire inlet hole, and the inner side of the wire inlet hole is provided with a waterproof sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810870315.XA CN108766803B (en) | 2018-08-02 | 2018-08-02 | Waterproof travel switch with modularized structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810870315.XA CN108766803B (en) | 2018-08-02 | 2018-08-02 | Waterproof travel switch with modularized structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108766803A CN108766803A (en) | 2018-11-06 |
| CN108766803B true CN108766803B (en) | 2024-10-11 |
Family
ID=63968605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810870315.XA Active CN108766803B (en) | 2018-08-02 | 2018-08-02 | Waterproof travel switch with modularized structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108766803B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202300008955A1 (en) * | 2023-05-05 | 2024-11-05 | Pizzato Elettrica Srl | MICROSWITCH AND RELATED PRODUCTION PROCEDURE |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206148323U (en) * | 2016-07-22 | 2017-05-03 | 宁波速普电子有限公司 | Quick switch of normally opening normal close stand alone type contact module and adopting this contact module |
| CN208655442U (en) * | 2018-08-02 | 2019-03-26 | 上海飞力勋铖电气科技有限公司 | A kind of waterproof position limit switch of modular construction |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2218968Y (en) * | 1995-03-30 | 1996-01-31 | 吴加伦 | Explosion isolation position switches |
| CN201126778Y (en) * | 2007-10-06 | 2008-10-01 | 朱建新 | Closed type position switch |
| CN102760610B (en) * | 2011-04-28 | 2016-08-31 | 通用设备和制造公司 | The proximity switch assembly of encapsulation |
| JP6080359B2 (en) * | 2012-01-13 | 2017-02-15 | オムロン株式会社 | Limit switch |
-
2018
- 2018-08-02 CN CN201810870315.XA patent/CN108766803B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206148323U (en) * | 2016-07-22 | 2017-05-03 | 宁波速普电子有限公司 | Quick switch of normally opening normal close stand alone type contact module and adopting this contact module |
| CN208655442U (en) * | 2018-08-02 | 2019-03-26 | 上海飞力勋铖电气科技有限公司 | A kind of waterproof position limit switch of modular construction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108766803A (en) | 2018-11-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101493631B (en) | Mechanical shutter and camera module using the mechanical shutter | |
| AU2017229313B2 (en) | Selector for an on-load tap changer and on-load tap changer with load transfer switch and selector | |
| CN101667511A (en) | Relay | |
| KR20140004202A (en) | Bi-stable electromagnetic relay with x-drive motor | |
| CN108713235B (en) | Vacuum circuit interrupter | |
| JP3886540B2 (en) | Electromechanical connector | |
| CN108766803B (en) | Waterproof travel switch with modularized structure | |
| US7161104B2 (en) | Trip-free PCB mountable relay configuration and method | |
| CN109411276B (en) | Micro-switch | |
| CN113223903B (en) | Electromagnetic trip type leakage tripping device | |
| ES2391725T3 (en) | Switch type contactor assembly for switch | |
| CN208655442U (en) | A kind of waterproof position limit switch of modular construction | |
| CN208637375U (en) | Monostable electromagnetic trip switch and circuit breaker | |
| US2799743A (en) | Multiple lamp sockets, switch, and housing | |
| CN205564620U (en) | Novel isolating switch | |
| CN104851685B (en) | Remote operating mechanism of power switch for switchgear | |
| CN114068207A (en) | Electronic component and manufacturing method thereof | |
| CN108766799B (en) | Instantaneous travel switch | |
| CN222300903U (en) | Breaking plug and breaker | |
| CN111554547B (en) | Leakage test structure of leakage circuit breaker and leakage circuit breaker | |
| US9799468B2 (en) | Support assembly for a micro-switch of a switching device | |
| CN103956301A (en) | RCD module with function of electric leakage switch-off | |
| CN104021980B (en) | A kind of multiconductor centrifugal switch | |
| US11437200B2 (en) | Low voltage contact assembly | |
| US10580607B2 (en) | Electronic protection device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |