CN117334502A - Electrical switch with self-locking function - Google Patents
Electrical switch with self-locking function Download PDFInfo
- Publication number
- CN117334502A CN117334502A CN202311366083.1A CN202311366083A CN117334502A CN 117334502 A CN117334502 A CN 117334502A CN 202311366083 A CN202311366083 A CN 202311366083A CN 117334502 A CN117334502 A CN 117334502A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- spring
- piece
- briquetting
- fixed
- 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
- 230000003068 static effect Effects 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims abstract description 8
- 238000000926 separation method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 4
- 238000005452 bending Methods 0.000 description 3
- 230000004308 accommodation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004484 Briquette Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
Classifications
-
- 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
- H01H9/20—Interlocking, locking, or latching mechanisms
- H01H9/24—Interlocking, locking, or latching mechanisms for interlocking two or more parts of the mechanism for operating contacts
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H25/00—Switches with compound movement of handle or other operating part
- H01H25/06—Operating part movable both angularly and rectilinearly, the rectilinear movement being along the axis of angular movement
-
- 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
- H01H3/34—Driving mechanisms, i.e. for transmitting driving force to the contacts using ratchet
-
- 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
- H01H3/38—Driving mechanisms, i.e. for transmitting driving force to the contacts using spring or other flexible shaft coupling
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/02—Housings; Casings; Bases; Mountings
- H01H71/0207—Mounting or assembling the different parts of the circuit breaker
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
- H01H71/10—Operating or release mechanisms
- H01H71/12—Automatic release mechanisms with or without manual release
- H01H71/24—Electromagnetic mechanisms
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Push-Button Switches (AREA)
Abstract
The invention relates to the technical field of electrical element equipment, in particular to an electrical switch with a self-locking function, which comprises a shell, a switch assembly, a contact assembly and a circuit protection assembly, wherein the contact assembly comprises a static contact and a variable contact, the static contact is arranged in the middle of the shell in a penetrating way, the variable contact is arranged at the lower part of the shell in a sliding way, the circuit protection assembly is arranged between the bottom of the shell and the variable contact, the switch assembly comprises a button, a connecting sleeve, a locking sleeve, a limiting sleeve, a curved plate spring and a movable contact, the locking sleeve is arranged at the upper part of the shell in a penetrating way, the connecting sleeve is inserted in the middle of the locking sleeve and can be connected with a sliding way of the locking sleeve, the button is arranged in the connecting sleeve in a penetrating way and can be locked with the locking sleeve in a clamping way, the limiting sleeve is arranged on the lower surface of the locking sleeve, the curved plate spring is arranged between the button and the movable contact, and the curved plate spring can be locked with the limiting sleeve in a clamping way. According to the invention, the first pressing block and the second pressing block in the connecting sleeve are automatically locked with the locking sleeve through the springs, so that the operation and the use are convenient, and accidents caused by false touch of personnel are avoided.
Description
Technical Field
The invention relates to the technical field of electrical element equipment, in particular to an electrical switch with a self-locking function.
Background
When the electric equipment is used, the electric switch is generally required to be used as a switch for switching on and off a circuit manually infrequently in the electric equipment or as a lead-in switch of a power supply in a machine tool circuit, and the electric switch is divided into a knife switch, a combined switch and the like, can conduct the circuit, realizes normal operation of the electric equipment, and is also applied to the aspects of electric laboratory or teaching process, circuit display and the like, and the electric switch realizes the closing or opening of a dynamic contact through the action of a button when in use, thereby realizing the conduction control of the circuit.
The existing electrical switch commonly used is poor in self-locking effect, the circuit is difficult to ensure to be continuously and reliably connected, the circuit is easy to be mistakenly touched by a person when not in use, in a usual teaching process or laboratory, the personnel are relatively dense, the person is easy to mistakenly operate, the switch button is mistakenly touched, the circuit which is being connected is possibly disconnected, experimental interruption is caused, experimental data are caused to be error, or the circuit which does not work is caused to be connected, accidents are possibly caused, when the condition of overlarge current is met, the circuit cannot be rapidly disconnected by the button with the self-locking function, self-breaking protection measures are lacked, fire is easily caused, and potential safety hazards are caused.
Disclosure of Invention
The present invention is directed to an electrical switch with self-locking function, so as to solve the above-mentioned problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an electric switch with self-locking function, includes casing, switch module, contact module and circuit protection module, the logical groove has been seted up to symmetry on casing lower extreme both sides wall, contact module includes static contact and becomes the contact, static contact runs through the setting at the casing middle part and with casing fixed connection, it slides and sets up in logical inslot to become the contact, circuit protection module sets up between casing bottom and the contact that becomes, switch module includes button, adapter sleeve, lock sleeve, stop collar, curved piece spring and movable contact, the lock sleeve wears to establish on casing upper portion, the adapter sleeve inserts to establish at the lock sleeve middle part and with lock sleeve sliding connection, and the button lower extreme wears to establish in the adapter sleeve, the button can lock with the lock sleeve joint, the stop collar sets up in the lock sleeve lower part, curved piece spring upper end and button lower extreme swing joint, curved piece spring lower extreme and movable contact upper surface fixed connection, curved piece spring can lock with the inner wall joint of stop collar, movable contact both sides symmetry is provided with movable contact, movable contact and movable contact are located between the movable contact.
Further, the button lower extreme is fixed to be provided with the push rod, be provided with first briquetting and second briquetting on the push rod outer wall respectively, all be provided with reset spring between first briquetting and second briquetting and the push rod outer wall, first briquetting is located the second briquetting top, first briquetting and second briquetting are located different vertical planes, first briquetting and lock sleeve joint when the button pushes down, second briquetting () and lock sleeve joint when the button resets.
Further, the lock sleeve is inside to have seted up first spout along vertical direction extension from the upper end, first spout bottom has seted up first slide along the lock sleeve is inside, and first spout link up and be connected perpendicularly with first slide, first briquetting respectively with first spout and first slide sliding connection, the second briquetting can be locked with first slide joint, the lock sleeve is close to first slide department and has run through from outside to inside and has seted up the accommodation hole, and the second briquetting aligns or separates with the accommodation hole.
Further, the holding tank has been seted up to holding hole outside circumference, holding tank and holding hole are coaxial, the switch module still includes locking knob, locking knob one end is fixed to be provided with the knob piece, knob piece and holding tank sliding connection, knob piece one end is fixed to be provided with the slide bar, slide bar and holding hole sliding connection, be provided with first spring between knob piece and the holding tank bottom surface, the one end surface and the second briquetting butt or the separation of knob piece are kept away from to the slide bar.
Further, the fixed plate is fixedly arranged at the lower end inside the shell, the lower part of the push rod is movably connected with the curved plate spring, the connecting plate is fixedly arranged at the upper end of the movable contact piece, the lower surface of the curved plate spring is fixedly connected with the upper surface of the connecting plate, the second spring is arranged between the connecting plate and the fixed plate, the sliding column is fixedly arranged in the middle of the lower surface of the connecting plate, the sliding column hole is formed in the middle of the fixed plate, and the sliding column is slidably connected with the sliding column hole.
Further, the fixed ring that is provided with of adapter sleeve lower extreme, fixed ring surface and stop collar internal surface sliding connection, fixed ring lower surface one side is fixed to be provided with the linking wall, linking wall lower extreme and connecting plate upper surface fixed connection, the spacing hole has been seted up on the stop collar middle part lateral part, curved piece spring lateral part and stop collar internal surface sliding connection and with spacing hole joint or separation, first slide hole has been seted up in the stop collar lower extreme lateral wall penetration, the connecting plate passes first slide hole and with first slide hole sliding connection.
Further, the circuit protection assembly comprises a limiting piece, the limiting piece is arranged at the bottom of the shell in a sliding mode, a ratchet wheel is fixedly arranged at the lower end of the variable contact piece, a plurality of pawls are rotatably arranged on one side, close to the ratchet wheel, of the limiting piece, and the ratchet wheel is matched with the pawls.
Further, a third spring is arranged between one side, far away from the ratchet wheel, of the limiting piece and the inner wall of the shell, the touch changing piece comprises a first guide plate, a fourth spring is arranged between the bottom of the first guide plate and the bottom surface inside the shell, the ratchet wheel is fixedly arranged at the lower end of the first guide plate, fixing frames are fixedly arranged at two ends of the limiting piece, the pawl is rotatably arranged at one side, close to the ratchet wheel, of the fixing frames, the limiting piece further comprises a fifth spring, one end of the fifth spring is fixedly connected with the pawl, and the other end of the fifth spring is fixedly connected with the fixing frames.
Further, the second spout has been seted up to fixed plate lower surface both ends symmetry, the inside lower surface symmetry of casing has seted up the third spout, and second spout and third spout position correspond, mount upper end and second spout sliding connection, mount lower extreme and third spout sliding connection, the second slide hole has been seted up to the position that the casing is located logical groove one side, the fixed block is provided with in the fixed fixing of mount lateral part, fixed block and second slide hole sliding connection.
Further, the bottom of the shell is provided with an electromagnetic block, an electric wire is wound on the electromagnetic block, and two ends of the electric wire are respectively connected with the lower ends of the variable contacts of the variable contact piece positioned in the shell.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the electrical switch with the self-locking function, the second pressing block is located in the first slideway when the switch is not used, the locking knob is pressed firstly to enable the second pressing block to be separated from the first slideway when the switch is used, then the button is pressed, the button drives the first pressing block to slide into the first slideway, the button rotates under the acting force of the bent piece spring to enable the first pressing block to enter the first slideway from the bottom of the first slideway, the button is limited, when the switch is closed, the button is rotated to enable the first pressing block to slide into the first slideway along the first slideway, the button can be reset under the acting force of the second spring and the bent piece spring, the second pressing block enters the first slideway again, automatic locking is achieved, operation and use are convenient, convenience is good, and accidents caused by personnel false touch are avoided.
2. According to the electric switch with the self-locking function, the ratchet wheel is fixedly arranged at the lower end of the variable contact piece, the electromagnetic block electrically connected with the variable contact piece is electrified to adsorb the variable contact piece when the current is overlarge, so that the variable contact piece drives the ratchet wheel to move downwards, the ratchet wheel is extruded and slides across the pawl, the fifth spring is contracted to realize self-breaking, the ratchet wheel is reset through the fifth spring after passing through the pawl, and when the variable contact piece is to be reset under the action of the fourth spring, the pawl in the limiting piece clamps the ratchet wheel to prevent the variable contact from being contacted with the movable contact, the effect of protecting a circuit is achieved, and potential safety hazards are avoided.
3. According to the electric switch with the self-locking function, the limiting piece is arranged between the shell and the fixed plate in a sliding mode, when the ratchet wheel is required to be limited by the unlocking pawl, the fixed block is pulled, the limiting piece is driven to move by the fixed block, the third spring is contracted, the fifth spring is stretched, the pawl can be separated from the ratchet wheel groove, the unlocking of the variable contact piece is automatically reset, and the operation is convenient.
4. According to the electric switch with the self-locking function, the connecting column which is eccentrically arranged is matched with the bent piece spring, the side part of the bent piece spring is clamped or separated with the limiting hole, and meanwhile, the button can rotate, so that the self-locking and resetting functions of the first pressing block and the second pressing block can be realized.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the switch of the present invention in semi-section when not activated;
FIG. 3 is a schematic view of the switch of the present invention in semi-section when actuated;
FIG. 4 is a schematic view of a switch assembly in partial semi-section with the switch of the present invention not activated;
FIG. 5 is an enlarged schematic view of FIG. 4 at A;
FIG. 6 is a schematic diagram showing a partially semi-sectioned structure of a switch assembly of the present invention when the switch is actuated
FIG. 7 is a schematic illustration of a partially semi-sectioned structure of a limiter and a transformer of the present invention;
FIG. 8 is an enlarged schematic view of FIG. 7 at B;
FIG. 9 is a schematic view of a half-section of the housing of the present invention;
FIG. 10 is a schematic view of a switch assembly of the present invention partially disassembled;
FIG. 11 is a schematic view of the half-section of the locking sleeve and stop collar of the present invention;
FIG. 12 is an enlarged schematic view of FIG. 11 at C;
FIG. 13 is a schematic view of the button and bent spring of the present invention with the button and bent plate spring removed;
fig. 14 is a schematic view of a limiting member according to the present invention.
In the figure: 1. a housing; 11. a fixing plate; 111. a spool bore; 112. a contact slide hole; 113. a second chute; 12. a button slide hole; 13. a fixing hole; 14. a through groove; 141. a second slideway; 15. a second slide hole; 16. a third chute; 2. a switch assembly; 21. a button; 211. a push rod; 212. a connecting column; 213. a first briquette; 214. a second briquetting; 22. connecting sleeves; 221. avoidance holes; 222. a connecting wall; 223. a fixing ring; 23. a locking sleeve; 231. a first chute; 232. a first slideway; 233. a receiving hole; 234. a receiving groove; 24. a limit sleeve; 241. a limiting hole; 242. a first slide hole; 25. a bent leaf spring; 251. a connection hole; 26. a movable contact; 261. a connecting plate; 262. a spool; 263. a second spring; 264. a movable contact; 27. a locking knob; 271. a knob block; 272. a slide bar; 273. a first spring; 3. a contact assembly; 31. a stationary contact; 310. a second guide plate; 311. a stationary contact; 32. a variable contact; 320. a first guide plate; 321. a variable contact; 322. a fourth spring; 323. a slide block; 324. a fixed frame; 325. a ratchet wheel; 4. a circuit protection assembly; 41. a limiting piece; 411. a fixing frame; 412. a first bump; 413. a second bump; 414. a third spring; 415. a pawl; 416. a fifth spring; 417. a groove; 418. a fixed block; 42. an electromagnetic block.
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 following description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific orientation or be constructed and operated in a specific orientation. The term "connected" merely means a connection between devices and is not of special significance.
In addition, the technical fields and the mounting modes in the embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Specific examples: referring to fig. 1-13, an electrical switch with self-locking function comprises a shell 1, a switch assembly 2, a contact assembly 3 and a circuit protection assembly 4, wherein through grooves 14 are symmetrically formed in the lower parts of two side walls of the shell 1, the contact assembly 3 comprises a static contact piece 31 and a variable contact piece 32, the variable contact piece 32 is slidably arranged in the through grooves 14, a fixed hole 13 is symmetrically formed in the middle parts of two side walls of the shell 1, the static contact piece 31 is fixedly arranged in the fixed hole 13, the circuit protection assembly 4 is arranged between the bottom of the shell 1 and the variable contact piece 32, the switch assembly 2 comprises a button 21, a connecting sleeve 22, a locking sleeve 23, a limiting sleeve 24, a bent piece spring 25 and a movable contact piece 26, a button sliding hole 12 is formed in the middle part of the upper surface of the shell 1, the locking sleeve 23 is arranged in the button sliding hole 12 in a penetrating manner, the connecting sleeve 22 is inserted in the middle of the locking sleeve 23 and is slidably connected with the locking sleeve 23, the lower end of the button 21 is arranged in the connecting sleeve 22 in a penetrating manner and is rotatably connected with the connecting sleeve 22, the button 21 can be locked with the locking sleeve 23 in a clamping manner, the limiting sleeve 24 is fixedly arranged in the lower part of the locking sleeve 23, the locking sleeve 31 and is fixedly connected with the fixed contact piece 31, the bent piece 25 is fixedly connected with the bent piece 25, the bent piece 25 is connected with the bent piece 25 and the bent piece 25, and the bent piece 26 is arranged on the bent piece 25, and is connected with the bent piece 25 in a movable contact piece 25.
Further, the lower end of the button 21 is fixedly provided with a push rod 211, the side wall of the connecting sleeve 22 is provided with a avoidance hole 221, the outer wall of the push rod 211 is respectively provided with a first pressing block 213 and a second pressing block 214, the first pressing block 213 and the second pressing block 214 are both positioned in the avoidance hole 221, a reset spring is arranged between the first pressing block 213 and the outer wall of the push rod 211 and between the second pressing block 214 and the outer wall of the push rod 211, the first pressing block 213 is positioned above the second pressing block 214, the first pressing block 213 and the second pressing block 214 are positioned on different vertical planes, the inner part of the locking sleeve 23 is provided with a first sliding groove 231 along the vertical direction from the upper end, the bottom of the first sliding groove 231 is provided with a first sliding way 232 along the inner part of the locking sleeve 23, the first sliding groove 231 is communicated with the first sliding way 232 and is vertically connected, the first pressing block 213 is slidably connected with the first sliding groove 231 and the first sliding way 232 respectively, the second pressing block 214 can be locked with the first sliding way 232 in a clamping manner, the locking sleeve 23 is close to the first sliding way 232 and is internally penetrated with the accommodating hole 233 from outside to inside, the outer circumference of the accommodating hole 233 is provided with the accommodating groove 234, the accommodating groove 234 is coaxial with the accommodating hole 233, the second pressing block 214 is aligned with or separated from the accommodating hole 233, the first pressing block 213 is clamped with the locking sleeve 23 when the button 21 is pressed down, the first pressing block 213 is positioned in the first sliding way 232, the second pressing block 214 is always in a contracted state and is slidably connected with the inside of the locking sleeve 23, the second pressing block 214 is clamped with the locking sleeve 23 when the button 21 is reset, the second pressing block 214 is positioned in the first sliding way 232, and the first pressing block 213 is positioned above the first sliding groove 231.
Further, the switch assembly 2 further comprises a locking knob 27, a knob block 271 is fixedly arranged at one end of the locking knob 27, the knob block 271 is slidably connected with the accommodating groove 234, a sliding rod 272 is fixedly arranged at one end of the knob block 271, the sliding rod 272 is inserted into the accommodating hole 233 and is slidably connected with the accommodating hole 233, a first spring 273 is arranged between the knob block 271 and the bottom surface of the accommodating groove 234, one end surface of the sliding rod 272, which is far away from the knob block 271, is abutted to or separated from the second pressing block 214, is in contact with or is separated from the first slideway 232 when the switch is not used, the locking knob 27 is pressed firstly to enable the second pressing block 214 to be separated from the first slideway 232 when the switch is used, then the button 21 is pressed, the button 21 drives the first pressing block 213 to slide into the first slideway 231, the button 21 rotates under the acting force of the bent piece spring 25 to enable the first pressing block 213 to enter the first slideway 232 from the bottom of the first slideway 231, the button 21 is limited, when the switch is closed, the button 21 is rotated to enable the first pressing block 213 to slide into the first slideway 231 along the first slideway 232, the second slideway 214 is reset under the action force of the second spring 263 and the bent piece spring 25, the second slideway 214 can be reset automatically, the first slideway 214 can be convenient to enter the first slideway and the first slideway can be easily and conveniently locked by the personnel due to the error accident.
Further, the lower end inside the shell 1 is fixedly provided with a fixing plate 11, one side of the lower surface of the push rod 211 is fixedly provided with a connecting column 212, the connecting column 212 and the push rod 211 are eccentrically arranged, the upper end of the bent sheet spring 25 is provided with a connecting hole 251, the connecting hole 251 is movably connected with the connecting column 212, the eccentrically arranged connecting column 212 is matched with the bent sheet spring 25, the side part of the bent sheet spring 25 is clamped or separated with a limiting hole 241 and can enable the button 21 to rotate, the first pressing block 213 and the second pressing block 214 can achieve the self-locking and resetting functions, the upper end of the movable contact 26 is fixedly provided with a connecting plate 261, the lower surface of the bent sheet spring 25 is fixedly connected with the upper surface of the connecting plate 261, a second spring 263 is arranged between the connecting plate 261 and the fixing plate 11, a sliding column 262 is fixedly arranged in the middle of the lower surface of the connecting plate 261, the second spring 263 is sleeved outside the sliding column 262, a sliding column hole 111 is formed in the middle of the fixing plate 11, contact sliding holes 112 are symmetrically formed in two ends of the fixing plate 11, the variable contact 321 are located in the contact sliding holes 112, the sliding column 111 are located between the two contact sliding holes 112, and the sliding column 262 is inserted into the sliding column 111.
Further, a fixed ring 223 is fixedly arranged at the lower end of the connecting sleeve 22, the outer surface of the fixed ring 223 is in sliding connection with the inner surface of the limiting sleeve 24, a limiting hole 241 is formed in the side wall of the middle part of the limiting sleeve 24, the side part of the curved plate spring 25 is in sliding connection with the inner surface of the limiting sleeve 24 and is clamped or separated with the limiting hole 241, a first sliding hole 242 is formed in the side wall of the lower end of the limiting sleeve 24 in a penetrating mode, and the connecting plate 261 penetrates through the first sliding hole 242 and is in sliding connection with the first sliding hole 242.
Further, the circuit protection assembly 4 comprises a limiting piece 41, the limiting piece 41 is arranged at the bottom of the shell 1 in a sliding mode, a ratchet 325 is fixedly arranged at the lower end of the variable contact piece 32, a plurality of pawls 415 are rotatably arranged on one side, close to the ratchet 325, of the limiting piece 41, and the ratchet 325 is matched with the pawls 415.
Further, a third spring 414 is arranged between one side, far away from the ratchet 325, of the limiting piece 41 and the inner wall of the shell 1, the touch changing piece 32 comprises a first guide plate 320, a fourth spring 322 is arranged between the bottom of the first guide plate 320 and the inner bottom surface of the shell 1, a fixed frame 324 is fixedly arranged at the lower end of the first guide plate 320, the ratchet 325 is fixedly arranged in the fixed frame 324, fixing frames 411 are fixedly arranged at two ends of the limiting piece 41, a groove 417 is formed in one side, close to the ratchet 325, of the fixing frames 411, the pawl 415 is rotatably arranged in the groove 417, the limiting piece 41 further comprises a fifth spring 416, one end of the fifth spring 416 is fixedly connected with the pawl 415, and the other end of the fifth spring 416 is fixedly connected with the bottom surface of the groove 417.
Further, second sliding grooves 113 are symmetrically formed in two ends of the lower surface of the fixing plate 11, third sliding grooves 16 are symmetrically formed in the lower surface of the inside of the shell 1, the positions of the second sliding grooves 113 and the third sliding grooves 16 correspond to each other, a first protruding block 412 is fixedly arranged at the upper end of the fixing frame 411, a second protruding block 413 is fixedly arranged at the lower end of the fixing frame 411, the first protruding block 412 is slidably connected with the second sliding grooves 113, the second protruding block 413 is slidably connected with the third sliding grooves 16, a second sliding hole 15 is formed in the position of the shell 1, a fixing block 418 is fixedly arranged on the side portion of the fixing frame 411, the fixing block 418 is slidably connected with the second sliding hole 15, a limiting piece 41 is slidably arranged between the bottom of the shell 1 and the fixing plate 11, when the ratchet 325 is limited by the ratchet 415, the ratchet 325 moves downwards through the ratchet 415, the outer side of the ratchet 415 presses the ratchet 415, the fifth spring 416 is compressed to shrink the ratchet 325, the ratchet 325 slides through the ratchet 415, the ratchet 415 is reset under the acting force of the fifth spring 416, the ratchet 415 is clamped when the ratchet 415 moves upwards again, when the ratchet 415 is required to be locked, the limit block 418 is pulled, the limiting block 418 is automatically pulled, the ratchet 418 is reset, the third spring 415 is reset, the limiting piece is reset, the ratchet 325 is reset, the ratchet is reset, and the ratchet is reset 32 is reset, and the limiting piece is reset, and the ratchet is reset, and is enabled.
Further, the stationary contact 31 includes a second guide plate 310, the second guide plate 310 passes through the fixing hole 13 and is fixedly connected with the limit sleeve 24, stationary contacts 311 are symmetrically arranged at two ends of the second guide plate 310, variable contacts 321 are arranged at two ends of the first guide plate 320, the stationary contacts 311 are aligned with the variable contacts 321 one by one, the variable contacts 321 and the stationary contacts 311 positioned in the shell 1 are aligned with the movable contacts 264, the upper ends of the movable contacts 264 are abutted or separated from the lower ends of the stationary contacts 311, the lower ends of the movable contacts 264 are abutted or separated from the upper ends of the variable contacts 321, second slide ways 141 are symmetrically arranged on the side walls of the through grooves 14, sliding blocks 323 are symmetrically arranged at two sides of the second guide plate 310, and the sliding blocks 323 are in sliding connection with the second slide ways 141.
Further, the bottom of the shell 1 is provided with the electromagnetic block 42, the electromagnetic block 42 is surrounded by an electric wire, two ends of the electric wire are respectively connected with the lower end of the variable contact 321 in the shell 1, the ratchet 325 is fixedly arranged at the lower end of the variable contact 32, when the current is overlarge, the electromagnetic block 42 electrically connected with the variable contact 32 is electrified to adsorb the variable contact 32, so that the variable contact 32 drives the ratchet 325 to move downwards, self-breaking is realized, the ratchet 325 is extruded and passes through the pawl 415 when moving downwards, and when the first guide plate 320 loses the suction of the electromagnetic block 42 and moves upwards, the pawl 415 clamps the ratchet 325, the variable contact 321 is prevented from being contacted with the movable contact 264 again, the effect of protecting a circuit is achieved, and potential safety hazards are avoided.
When the electric switch with the self-locking function is used, the second pressing block 214 is positioned in the first slideway 232 when the button 21 is not pressed down, at the moment, the upper end of the movable contact 264 is in contact with the fixed contact 311, the circuit between the two fixed contact pieces 31 is communicated, when the circuit is required to be switched, the locking knob 27 is pressed, the first spring 273 is contracted, the knob block 271 pushes the sliding rod 272 to press the second pressing block 214, the reset spring between the second pressing block 214 and the push rod 211 is compressed and contracted, the second pressing block 214 is separated from the first slideway 232, the push rod 21 is pressed down, the push rod 211 drives the connecting sleeve 22 to move downwards, the push rod 211 drives the connecting sleeve 22 to enable the connecting wall 222 to press the connecting plate 261, the connecting plate 261 moves downwards, the second spring 263 is contracted, the movable contact 264 is disconnected from the fixed contact 311, meanwhile, the first pressing block 213 moves downwards and slides into the first slideway 231, when the first pressing block 213 reaches the bottom of the first slideway 231, the lower end of the movable contact 264 is contacted with the upper end of the variable contact point 321, the circuit between the two variable contact pieces 32 is communicated, and simultaneously under the acting force of the bending spring 25, the bending spring 25 is separated from the first slideway 232, the upper end of the bending spring 241 is separated from the first slideway 232, the connecting plate 22 is pushed into the first slideway 212, the connecting plate is rotated, the connecting sleeve 212 is pushed into the first slideway 212, the limit hole is driven by the connecting rod 212, and the first sliding rod 212 is rotated, and the connecting rod 212 to the first slideway is moved into the limiting hole 212.
When the circuit current between the two variable contacts 32 is overlarge, the lower electromagnetic block 42 is electrified and started, the electromagnetic block 42 attracts the first guide plate 320 under the action of magnetic force, so that the first guide plate 320 moves downwards, the fourth spring 322 is compressed and contracted, the first guide plate 320 moves downwards to push the fixed frame 324 to move downwards, the ratchet 325 is driven to move downwards, the ratchet 325 slides and presses the pawl 415 when moving downwards, the ratchet 325 is reset under the action of the fifth spring 416 after passing through the ratchet 415, after the movable contact 264 is disconnected from the variable contact 321, the electromagnetic block 42 is powered off, the first guide plate 320 moves upwards under the action of the fourth spring 322, the ratchet 325 is blocked by the pawl 415, the variable contact 321 is prevented from being contacted with the movable contact 264 again, the effect of protecting the circuit is achieved, after the current problem is solved, the fixed block 418 is pulled, the fixed block 418 drives the limiting piece 41 to move in the direction away from the ratchet 113 and the third chute 16, the third spring 414 is contracted, the pawl 415 is driven by the fixed frame 411 to move the pawl 415, the fifth spring 415 is stretched, the ratchet is separated from the ratchet slot, and the first guide plate 320 is separated from the ratchet, the movable contact 321 is contacted with the movable contact 264 again under the action of the fourth spring 322, and the movable contact 32 is enabled to be connected again.
When the circuit between the stationary contact 31 needs to be switched back, the button 21 is rotated, the button 21 drives the first pressing block 213 to slide along the first slideway 232 towards the first slideway 231, when the first pressing block 213 slides to the bottom of the first slideway 231, the connecting column 212 pulls the bent sheet spring 25 to be separated from the limiting hole 241, under the acting force of the second spring 263 and the bent sheet spring 25, the push rod 211, the connecting sleeve 22 and the connecting plate 261 move upwards, the movable contact 264 is disconnected with the variable contact 321, the first pressing block 213 slides out along the first slideway 231, after the connecting plate 261 resets, the second pressing block 214 is clamped into the first slideway 232 to complete self-locking, and the movable contact 264 contacts with the stationary contact 311, thus completing circuit switching.
Claims (10)
1. An electrical switch with self-locking function, characterized in that: the switch comprises a shell (1), a switch assembly (2), a contact assembly (3) and a circuit protection assembly (4), wherein through grooves (14) are symmetrically formed in two side walls of the lower end of the shell (1), the contact assembly (3) comprises a static contact piece (31) and a variable contact piece (32), the static contact piece (31) penetrates through the middle of the shell (1) and is fixedly connected with the shell (1), the variable contact piece (32) is slidably arranged in the through grooves (14), the circuit protection assembly (4) is arranged between the bottom of the shell (1) and the variable contact piece (32), the switch assembly (2) comprises a button (21), a connecting sleeve (22), a locking sleeve (23), a limiting sleeve (24), a bent piece spring (25) and a movable contact piece (26), the locking sleeve (23) is arranged on the upper portion of the shell (1) in a penetrating mode, the connecting sleeve (22) is inserted in the middle of the locking sleeve (23) and is slidably connected with the locking sleeve (23), the lower end of the button (21) is arranged in the connecting sleeve (22) in a sliding mode, the button (21) can be clamped with the lower end of the locking sleeve (23) and can be connected with the upper end of the bent piece (25) of the locking sleeve, the lower end of the bent piece spring (25) is fixedly connected with the upper surface of the movable contact (26), the bent piece spring (25) can be locked with the inner wall of the limit sleeve (24) in a clamping mode, movable contacts (264) are symmetrically arranged on two sides of the movable contact (26), and the movable contacts (264) are located between the static contact (31) and the variable contact (32).
2. An electrical switch with self-locking function according to claim 1, characterized in that: push button (21) lower extreme is fixed to be provided with push rod (211), be provided with first briquetting (213) and second briquetting (214) on push rod (211) outer wall respectively, all be provided with reset spring between first briquetting (213) and second briquetting (214) and push rod (211) outer wall, first briquetting (213) are located second briquetting (214) top, first briquetting (213) and second briquetting (214) are located different vertical planes, first briquetting (213) and lock sleeve (23) joint when button (21) are pushed down, when button (21) reset, second briquetting (214) and lock sleeve (23) joint.
3. An electrical switch with self-locking function according to claim 2, characterized in that: the utility model discloses a locking sleeve, including lock sleeve (23), holding hole (233) are offered in the inside extension of vertical direction from the upper end, first slide (232) have been offered along lock sleeve (23) bottom to first spout (231), and first spout (231) link up and perpendicular connection with first slide (232), first briquetting (213) respectively with first spout (231) and first slide (232) sliding connection, second briquetting (214) can lock with first slide (232) joint, lock sleeve (23) are close to first slide (232) department and have run through from outside to inside holding hole (233), second briquetting (214) are aligned or are separated with holding hole (233).
4. An electrical switch with self-locking function according to claim 3, characterized in that: the utility model discloses a switch assembly, including holding hole (233) and switch assembly, holding hole (233) outside circumference has seted up holding groove (234), holding groove (234) are coaxial with holding hole (233), switch assembly (2) still include locking knob (27), locking knob (27) one end is fixed to be provided with knob piece (271), knob piece (271) and holding groove (234) sliding connection, knob piece (271) one end is fixed to be provided with slide bar (272), slide bar (272) and holding hole (233) sliding connection, be provided with first spring (273) between knob piece (271) and holding groove (234) bottom surface, one end surface and second briquetting (214) butt or the separation of knob piece (271) are kept away from to slide bar (272).
5. An electrical switch with self-locking function according to claim 2, characterized in that: the utility model discloses a sliding column structure for a mobile phone, including casing (1), bent piece spring (25), push rod (211), connecting plate (261), fixed plate (11) are provided with in inside lower extreme of casing (1), push rod (211) lower part and bent piece spring (25) swing joint, fixed connecting plate (261) are provided with connecting plate (261) upper surface fixed connection in movable contact piece spring (26) upper end, be provided with second spring (263) between connecting plate (261) and fixed plate (11), fixed slide column (262) that are provided with in connecting plate (261) lower surface middle part, slide column hole (111) have been seted up at fixed plate (11) middle part, slide column (262) and slide column hole (111) sliding connection.
6. An electrical switch with self-locking function according to claim 5, wherein: the connecting sleeve is characterized in that a fixed ring (223) is fixedly arranged at the lower end of the connecting sleeve (22), the outer surface of the fixed ring (223) is in sliding connection with the inner surface of the limiting sleeve (24), a connecting wall (222) is fixedly arranged on one side of the lower surface of the fixed ring (223), the lower end of the connecting wall (222) is fixedly connected with the upper surface of the connecting plate (261), a limiting hole (241) is formed in the side part of the middle part of the limiting sleeve (24), the side part of the curved plate spring (25) is in sliding connection with the inner surface of the limiting sleeve (24) and is clamped with or separated from the limiting hole (241), a first sliding hole (242) is formed in the side wall of the lower end of the limiting sleeve (24) in a penetrating mode, and the connecting plate (261) penetrates through the first sliding hole (242) and is in sliding connection with the first sliding hole (242).
7. An electrical switch with self-locking function according to claim 1, characterized in that: the circuit protection assembly (4) comprises a limiting piece (41), the limiting piece (41) is arranged at the bottom of the shell (1) in a sliding mode, a ratchet (325) is fixedly arranged at the lower end of the variable contact piece (32), a plurality of pawls (415) are rotatably arranged on one side, close to the ratchet (325), of the limiting piece (41), and the ratchet (325) is matched with the pawls (415).
8. An electrical switch with self-locking function as defined in claim 7, wherein: the utility model discloses a ratchet, including ratchet (325), ratchet (41) are kept away from one side of ratchet (325) and are provided with third spring (414) between casing (1) inner wall, become contact (32) including first baffle (320), be provided with fourth spring (322) between first baffle (320) bottom and casing (1) inside bottom surface, ratchet (325) are fixed to be set up in first baffle (320) lower extreme, both ends of ratchet (41) are all fixed and are provided with mount (411), pawl (415) rotate and set up in mount (411) be close to one side of ratchet (325), stop (41) still include fifth spring (416), fifth spring (416) one end and pawl (415) fixed connection, the other end and mount (411) fixed connection.
9. An electrical switch with self-locking function as claimed in claim 8, wherein: second spout (113) have been seted up to fixed plate (11) lower surface both ends symmetry, third spout (16) have been seted up to casing (1) inside lower surface symmetry, second spout (113) and third spout (16) position correspond, mount (411) upper end and second spout (113) sliding connection, mount (411) lower extreme and third spout (16) sliding connection, second slide hole (15) have been seted up in the position that casing (1) is located logical groove (14) one side, fixed block (418) are provided with to mount (411) lateral part, fixed block (418) and second slide hole (15) sliding connection.
10. An electrical switch with self-locking function according to claim 1, characterized in that: an electromagnetic block (42) is arranged at the bottom of the shell (1), an electric wire is wound on the electromagnetic block (42), and two ends of the electric wire are respectively connected with the lower ends of the variable contacts (321) of the variable contacts (32) in the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311366083.1A CN117334502B (en) | 2023-10-20 | 2023-10-20 | Electrical switch with self-locking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311366083.1A CN117334502B (en) | 2023-10-20 | 2023-10-20 | Electrical switch with self-locking function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117334502A true CN117334502A (en) | 2024-01-02 |
| CN117334502B CN117334502B (en) | 2024-05-03 |
Family
ID=89275277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311366083.1A Active CN117334502B (en) | 2023-10-20 | 2023-10-20 | Electrical switch with self-locking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117334502B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998049701A1 (en) * | 1997-04-28 | 1998-11-05 | Idec Izumi Corporation | Push-button switch, and operating device and teaching pendant comprising the same |
| EP0978857A2 (en) * | 1998-08-04 | 2000-02-09 | Seiko Instruments Inc. | Composite switch for electronic apparatus |
| CN103915269A (en) * | 2013-01-08 | 2014-07-09 | 成立 | Combined button with ball |
| CN205863065U (en) * | 2016-06-23 | 2017-01-04 | 常熟开关制造有限公司(原常熟开关厂） | A kind of moving contact component of rotary switch |
| CN208848794U (en) * | 2018-11-12 | 2019-05-10 | 东莞市达运电子有限公司 | Multifunction micro switch |
| CN110875158A (en) * | 2018-09-03 | 2020-03-10 | 宁波方太厨具有限公司 | Mechanical switch integrating functions of knob and knob |
| CN212136322U (en) * | 2020-06-08 | 2020-12-11 | 松日电气有限公司 | Switch with protection function |
| CN219066667U (en) * | 2022-12-19 | 2023-05-23 | 乐清市环茂电子有限公司 | Novel self-locking switch |
| CN219226121U (en) * | 2022-12-19 | 2023-06-20 | 乐清市环茂电子有限公司 | Novel button self-locking switch |
| CN116403846A (en) * | 2023-04-19 | 2023-07-07 | 浙江正泰电器股份有限公司 | Self-locking push-button switch |
-
2023
- 2023-10-20 CN CN202311366083.1A patent/CN117334502B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998049701A1 (en) * | 1997-04-28 | 1998-11-05 | Idec Izumi Corporation | Push-button switch, and operating device and teaching pendant comprising the same |
| EP0978857A2 (en) * | 1998-08-04 | 2000-02-09 | Seiko Instruments Inc. | Composite switch for electronic apparatus |
| CN103915269A (en) * | 2013-01-08 | 2014-07-09 | 成立 | Combined button with ball |
| CN205863065U (en) * | 2016-06-23 | 2017-01-04 | 常熟开关制造有限公司(原常熟开关厂） | A kind of moving contact component of rotary switch |
| CN110875158A (en) * | 2018-09-03 | 2020-03-10 | 宁波方太厨具有限公司 | Mechanical switch integrating functions of knob and knob |
| CN208848794U (en) * | 2018-11-12 | 2019-05-10 | 东莞市达运电子有限公司 | Multifunction micro switch |
| CN212136322U (en) * | 2020-06-08 | 2020-12-11 | 松日电气有限公司 | Switch with protection function |
| CN219066667U (en) * | 2022-12-19 | 2023-05-23 | 乐清市环茂电子有限公司 | Novel self-locking switch |
| CN219226121U (en) * | 2022-12-19 | 2023-06-20 | 乐清市环茂电子有限公司 | Novel button self-locking switch |
| CN116403846A (en) * | 2023-04-19 | 2023-07-07 | 浙江正泰电器股份有限公司 | Self-locking push-button switch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117334502B (en) | 2024-05-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107181115B (en) | Power socket capable of freely replacing plug | |
| KR101443314B1 (en) | Receiving Unit Assembly and Motor Control Center with the same | |
| CN107863279B (en) | Circuit breaker | |
| CN117334502B (en) | Electrical switch with self-locking function | |
| CN114552307B (en) | Safe socket convenient to insert | |
| CN211173483U (en) | Electronic padlock | |
| CN201681743U (en) | Emergency maintenance switch | |
| EP2553669B1 (en) | A reset mechanism for a manual alarm device and a manual alarm device with the same | |
| CN212365886U (en) | Binding post and circuit breaker | |
| CN216488873U (en) | Leakage protection socket | |
| CN211556909U (en) | Charging device for handheld equipment | |
| CN219287206U (en) | Pressing plate detection device | |
| CN219832462U (en) | Locking operation conversion device | |
| CN107910712B (en) | Plug | |
| CN111969374A (en) | Leakage protection plug | |
| CN216133784U (en) | Novel five-prevention electric lockset | |
| CN211579570U (en) | Duplex hard pressing plate convenient for wiring | |
| CN217269431U (en) | Electronic door lock with unlocking monitoring function | |
| CN210575617U (en) | Novel hard interlocking structure of portable door | |
| CN212381562U (en) | Circuit board pulling aid with self-locking function | |
| CN219457413U (en) | Emergency button | |
| CN216213002U (en) | Feedback signal switch with illumination function | |
| CN210897092U (en) | Key mechanism and keyboard | |
| CN216085375U (en) | Quick wiring terminal | |
| CN213584817U (en) | Block terminal convenient to equipment |
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 |