CN2287343Y - Self adaptable suspension plane contact plug and socket - Google Patents
Self adaptable suspension plane contact plug and socket Download PDFInfo
- Publication number
- CN2287343Y CN2287343Y CN 96247675 CN96247675U CN2287343Y CN 2287343 Y CN2287343 Y CN 2287343Y CN 96247675 CN96247675 CN 96247675 CN 96247675 U CN96247675 U CN 96247675U CN 2287343 Y CN2287343 Y CN 2287343Y
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- socket
- pin
- permanent magnet
- groove
- self
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000000725 suspension Substances 0.000 title claims abstract description 35
- 230000001681 protective effect Effects 0.000 claims abstract description 26
- 230000013632 homeostatic process Effects 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims description 2
- 210000003141 lower extremity Anatomy 0.000 claims description 2
- 239000000428 dust Substances 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 230000002265 prevention Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 7
- 210000001503 joint Anatomy 0.000 description 5
- 238000009413 insulation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 210000005056 cell body Anatomy 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 210000001364 upper extremity Anatomy 0.000 description 1
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model discloses a self adaptable suspension plane contact plug composed of a plug body 1, a pin 2, a permanent magnet 3, a terminal screw 4, and a fixing bolt 5, and a self adaptable suspension plane contact socket composed of a socket board 6, a wiring terminal 7, a permanent magnet 8, a spring 9, a terminal screw 10, a fixing bolt 11, a non-slipping block 12 and a protective cover 13. With the attraction force between the permanent magnet 3 and the permanent magnet 8 and the elastic force of the spring 9, the functions of self adaptable suspension, preventing from falling off, preventing stopping, preventing from shaking and close contact are realized. With the plane contact between the pin 2 and the wiring terminal 7 and the operational mode of both ends abutting, no phenomenon of exertion, stopping or heating overhigh is guaranteed. With the cylinder insulating pin 2 and the groove 22 and the protecting cover 13 in the middle of the socket board 6, the functions of shadowing preventing electric shock, dust prevention and guiding are realized more safe.
Description
The utility model relates to a kind of device that switches on or off circuit between power supply and the electrical appliance.
In present prior art, the pin of plug is shaped on the bonding jumper of cylindrical or square-section, and generally adopt foil to be bent into U-shaped to be fixed on the socket with binding post on the socket that it connects mutually, when pin inserts socket, be sandwiched between two sheet metals of U-shaped, rely on the elastic force of sheet metal that pin is clamped; It is that new fashion can keep binding post and the good of pin to contact that this structure is worked as product; After using a period of time, on the one hand owing to the unavoidable undue force of user, on the other hand because the thermal effect of electric current generation makes it distortion, the result one of distortion produces pin and binding post to contact down very, and local electrical resistance increases even strikes sparks, burns out; The 2nd, make the plug insertion and extract comparatively effort.
The purpose of this utility model provides a kind of from the adjusting that suspends, slip-off preventing, anti-jamming, shockproof, anti-heating self-regulation suspension face contact type attaching plug, socket too high, safe and reliable, easy to operate.
In order to achieve the above object, the technical solution adopted in the utility model is as follows: the permanent magnet of the cylindrical pin center fixed of homeostasis principle on plug during according to magnetive attraction and elastic force acting in conjunction, fixing a permanent magnet on the position of permanent magnet on corresponding to plug between the binding post on the socket, rely on the elastic force of the spring of installing on attraction between two permanent magnets and the binding post, realize from the adjusting that suspends, slip-off preventing, anti-jamming, shockproof and tight contact function; Rely on the two ends butt joint plane contact mode of pin and binding post, effort, stuck, the too high phenomenon of generating heat can not occur in guaranteeing to use; The cooperating of the pin that relies on the cylinder insulation and socket groove, socket groove cooperate with protective cover, and common realization is covered, protection against electric shock, prevent dust and guide function.
More convenient for the connection that makes electrical appliance and plug, plug body can be formed by two, to being tightened together by fixing spiral shell inspection from now on; Be shaped on location notch respectively on permanent magnet and pin, simultaneously be shaped on boss respectively on corresponding to the position of above-mentioned location notch on the plug body, two plug body are accurately embedding in the location notch fashionable boss, and permanent magnet and pin are fixed on the plug body; The position that plug body cooperates with pin is shaped on insulating sleeve and is enclosed within the pin periphery and prevents to get an electric shock.
In order to dispatch from the factory with electrical appliance is supporting, plug body also can be made into an integral body, with the fixing type of making of moulding within it of pin, permanent magnet and electric wire.
In order to guarantee that pin and the tight of binding post contact, and prevent to occur in the use effort, stuck, phenomenon that heating is too high, the terminal working face of pin is made the plane, to realize the way of contact of plane contact, two ends butt joint; The quantity of pin according to service condition can select 1,2,3,4.......
Binding post on the socket is the parts of on-off circuit.Binding post can be made into the assembly of " T " font of being made up of one or more cylinders and strip piece; On the cylinder of binding post spring is installed, relies on spring force and attraction between permanent magnet to realize the tight function that contacts from the adjusting that suspends, slip-off preventing, anti-jamming, shockproof and pin and binding post; The working face that binding post contacts with pin is that plane contact is realized on the plane, and the way of contact of two ends butt joint prevents to occur in the use effort, stuck, the too high phenomenon of generating heat; End face plane by binding post " T " glyph group zoarium is realized switching on or off of circuit with the contact of pin end plane with separating.
For the working face keeping parallelism that guarantees that pin and binding post are in contact with one another, and prevent to get an electric shock and the middle part of socket can be made the groove shape to realize guiding and shielding function; The cross sectional shape of groove is identical with the cross sectional shape of plug body, all than plug body sectional dimension big slightly (for example 0.1-0.5mm), pin separated with binding post the sectional dimension of groove when depth of groove should guarantee in the plug body front portion not extract in groove fully on the cross section contour vertical direction; The cell body width that the rear portion of socket is shaped on "T"-shaped groove and binding post cartridges parallel direction should guarantee binding post and the certain displacement of spring; The mounting groove and column (for example cuboid) mounting groove of " protruding " font made by socket rear portion central authorities, is used to install permanent magnet, and the mounting groove degree of depth should guarantee that the permanent magnet on plug, the socket has enough attractions; On the socket between groove and "T"-shaped groove the position be shaped on the passage of through hole as pin, the through hole axial dimension should be less than pin length; Socket can be made into low pressure, single-phase two holes, single-phase three-hole, three-phase four holes, movable socket plate and other sockets.
Permanent magnet on the socket can adopt following proposal to fix: permanent magnet is made " protruding " font or column (for example cuboid), be embedded in the mounting groove at socket rear portion and form tight fit with it, the magnetic flux density in permanent magnet magnetic field should guarantee to have between the permanent magnet on the plugs and sockets enough attractions to keep pin well to contact with the tight of binding post.
In order to prevent under the non-working condition that (when promptly not using electrical appliance) gets an electric shock and dust enters socket, protective cover is set on socket.The protective cover profile is identical with socket groove shape and overall dimension is littler than groove shapes size, protective cover can be made into two kinds of patterns: one, the lid of protective cover is shaped on baffle plate, insert after the unlatching fixing pin mounting spring of both sides in the through hole of plate washer, open fixing pin and pass behind the chute on the lid by finger control; Two, the lid of protective cover outside upper limb can be connected to become turntable with the manufacturing of socket groove top edge, lid outside lower limb is made all-or-nothing piece, lid is shaped on holddown groove permanent magnet is installed, and forms magnetic attracting force with permanent magnet on the socket and reaches self-enclosed state.
Owing to adopted technique scheme, relies on the elastic force of the spring of installing on attraction between two permanent magnets and the binding post, realize from the adjusting that suspends.Slip-off preventing, anti-jamming, shockproof and tight contact function; Rely on the working method of the two ends butt joint plane contact of pin and binding post, effort, stuck, the too high phenomenon of generating heat can not occur in guaranteeing to use; Cooperate with protective cover according to the cooperating of the pin of cylinder insulation and socket groove, socket groove, common realization is covered, protection against electric shock, prevent dust and guide function.
Below in conjunction with drawings and the specific embodiments utility model is described further:
Fig. 1 is the installation diagram (low pressure, single-phase two utmost points) of self-regulation suspension face contact type attaching plug, socket
Fig. 2 is the installation diagram (single-phase three grades) of self-regulation suspension face contact type attaching plug, socket
Fig. 3 is the installation diagram (single-phase the two poles of the earth+single-phase three utmost points) of self-regulation suspension face contact type attaching plug, socket
Fig. 4 is the installation diagram (packaged type) of self-regulation suspension face contact type attaching plug, socket
Fig. 5 is the installation diagram (low pressure, single-phase two utmost points) of self-regulation suspension face contact type attaching plug
Fig. 6 is the installation diagram (single-phase three utmost points) of self-regulation suspension face contact type attaching plug
Fig. 7 is the installation diagram (low pressure, single-phase two utmost points) of self-regulation suspension face contact type attaching plug
Fig. 8 is the structure chart (low pressure, single-phase two utmost points, single-phase three utmost points) of binding post
Fig. 9 is the structure chart (single-phase two utmost points+single-phase three grades) of binding post
Figure 10 is the structure chart (packaged type) of binding post
Figure 11 is the structure chart (low pressure, single-phase two utmost points) of socket
Figure 12 is the structure chart (single-phase three utmost points) of socket
Figure 13 is the structure chart (single-phase two utmost points+single-phase three utmost points) of socket
Figure 14 is the structure chart (packaged type) of socket
Figure 15 is the structure chart (packaged type) of socket shell
Figure 16 is the structure chart (low pressure, single-phase two utmost points) of protective cover
Figure 17 is the structure chart (single-phase three utmost points) of protective cover
Figure 18 is the structure chart (single-phase two utmost points) of protective cover
Figure 19 is the structure chart (single-phase three utmost points) of protective cover
Figure 20 is the structure chart of anti-drop block
In Fig. 1, Fig. 2, Fig. 3, Fig. 4, self-regulation suspension face contact type attaching plug is made up of plug body 1, pin 2, permanent magnet 3, set bolt 5, and permanent magnet 3 is fixed in the middle of two pins 2.The supply socket of self-regulation suspension face contact type is made up of socket 6, binding post 7, permanent magnet 8, spring 9, terminal screw 10, set bolt 11 (except Fig. 1, Fig. 2, Fig. 3), anti-drop block 12, in the position corresponding to the permanent magnet 3 on the self-regulation suspension face contact type attaching plug between the binding post 7 permanent magnet 8 is installed; Spring 9 is installed on binding post 7.Rely on the elastic force of the attraction spring 9 between permanent magnet 3 and the permanent magnet 8, realization is regulated from suspending, slip-off preventing, anti-jamming, shockproof and tight contact function; Rely on the working method of the plane contact two ends butt joint of pin 2 and binding post 7, effort, stuck, the too high phenomenon of generating heat can not occur in guaranteeing to use; The pin 2 of cylinder insulation cooperates with the plug-in type of socket 6 that realization is covered, protection against electric shock, guide function.In addition as seen, plug and socket gap are reduced to guarantee between permanent magnet 3 and the permanent magnet 8 enough attractions being arranged as far as possible by Fig. 1, Fig. 2, Fig. 3, Fig. 4.
In Fig. 5, Fig. 6, self-regulation suspension face contact type attaching plug is made up of plug body 1, pin 2, permanent magnet 3, terminal screw 4, set bolt 5.Plug body 1 adopts two opposite structures, is tightened together by set bolt 5; Be shaped on location notch 14 and location notch 15 on permanent magnet 3 and the pin 2 respectively, at corresponding fixed on the position of groove 14 and location notch 15, be shaped on respectively boss 16 and boss 17 on the plug body 1, when plug is assembled, boss 16 and boss 17 embed respectively in location notch 14 and the location notch 15, thereby permanent magnet 3 and pin 2 are fixed on the plug body 1; The lower end terminal screw 4 usefulness folder of pin 2 connects lead; The position that plug body 1 cooperates with pin 2 is shaped on insulating sleeve 18 and is enclosed within pin 2 peripheries and prevents to get an electric shock.
In Fig. 7, self-regulation suspension face contact type attaching plug is made up of plug body 1, pin 2, permanent magnet 3 and electric wire.Plug body is moulded plug body 1, pin 2, permanent magnet 3 and electric wire and is made an integral body.
In Fig. 8, Fig. 9, Figure 10, it is " T " glyph group zoarium that binding post is made the cross section of being made up of one or more cylinders 19 and strip piece 20, realizes switching on or off of circuit with the contact of its end face plane 21 and the end plane of pin 2 with separating; Cylinder 19 ends are equipped with terminal screw (10) (except Figure 10).
In Figure 11, Figure 12, Figure 13, Figure 14, the middle part of socket 6 is shaped on groove 22, the cross sectional shape of groove 22 is identical with the cross sectional shape of plug body 1, the sectional dimension of groove 22 on the cross section contour vertical direction all than the sectional dimension of plug body 1 big (for example 0.1-0.5mm) slightly; Pin 2 separated with binding post 7 when the degree of depth of groove 22 should guarantee to extract in groove 22 fully at the anterior end of plug body, like this when plug insertion socket, plug body 1 is all covered groove 22 earlier, and then pin 2 just contacts with binding post 7, has prevented electric shock accidents so effectively; The guiding of groove 22 and positioning action make groove 22 accurately cooperate with plug body 1; Socket 6 rear portions are shaped on "T"-shaped groove 23 and are used to install binding post 7, spring 9 and anti-drop block 12; Socket 6 rear portions are shaped on " protruding " font mounting groove 24 and column mounting groove 25, and the mounting groove degree of depth and size should guarantee that the permanent magnet on plug, the socket has enough attractions and makes permanent magnet 8 and mounting groove form tight fit; Be shaped on the passage of through hole 26 as pin 2 on the socket 6 between groove 22 and "T"-shaped groove 23, the axial dimension of through hole 26 should be less than pin 2 length.
In Figure 15, the socket shell is installed in the movable socket postlaminar part, the closed interior parts.
In Figure 16, Figure 17, protective cover is to prevent electric shock, dustproof parts.Groove 22 shapes of protective cover profile and socket 6 are identical and overall dimension is littler than groove 22 geomeries, be shaped on baffle plate 28 on the lid 27 of protective cover, baffle plate 28 is shaped on through hole and is used for installing unlatching fixing pin 29, penetrate in the through hole of baffle plate 28 after unlatching fixing pin 29 mounting spring 30 of both sides, chute 31 backs that unlatching fixing pin 29 1 sides are passed on the lid 27 are controlled by finger.
In Figure 18, Figure 19, protective cover also can be made all-or-nothing piece 33 at lid 32 outside lower edges, lid 32 outer upper can connect into turntable with the groove 22 top edge manufacturings of socket 6, lid 32 is shaped on holddown groove 34 and is used to install permanent magnet 35, forms magnetic attracting forces with permanent magnet 8 on the socket and reaches self-enclosed state.
In Figure 20, anti-drop block 12 is shaped as " T " font, is used for forming tight fits with the "T"-shaped groove 23 of socket 6, prevents that binding post 7, spring 9 from skidding off "T"-shaped groove 23 and come off.
Claims (10)
1, a kind of self-regulation suspension face contact type attaching plug, it is made up of plug body (1), pin (2), permanent magnet (3), terminal screw (4), set bolt (5), it is characterized in that: the terminal contact working face of pin (2) is the plane; Position between pin (2) is equipped with permanent magnet (3), homeostasis principle during according to magnetive attraction and elastic force acting in conjunction, rely on the attraction between permanent magnet (3) and the permanent magnet (8) that is installed in the supply socket of self-regulation suspension face contact type and be installed in the elastic force of the spring (9) in the supply socket of self-regulation suspension face contact type, make to keep between the binding post (7) on pin (2) and the self-regulation suspension face contact type socket closely that face contacts.
2, a kind of self-regulation suspension face contact type supply socket, it is made up of socket (6), binding post (7), permanent magnet (8), spring (9), terminal screw (10), set bolt (11), anti-drop block (12), protective cover (13), it is characterized in that: the working surface that binding post (7) contacts with pin (2) is the plane; In the position corresponding to the permanent magnet (3) on the self-regulation suspension face contact type attaching plug between the binding post (7) permanent magnet (B) is installed; Spring (9) is installed on binding post (7); Homeostasis principle during according to magnetive attraction and elastic force acting in conjunction; Rely on the attraction between the permanent magnet (3) on permanent magnet (8) and the self-regulation suspension face contact type attaching plug and the elastic force of spring (9), face contacts to make binding post (7) and pin (2) on the self-regulation suspension face contact type attaching plug keep closely.
3, self-regulation suspension face contact type attaching plug according to claim 1, plug body (1) is formed by two, involutory back tightens together with set bolt (5), it is characterized in that: be shaped on location notch (14) and location notch (15) on permanent magnet (3) and the pin (2) respectively, while plug body (1) goes up correspondence and decides to be shaped on boss (16) and boss (17) respectively on the position of groove (14) and location notch (15), boss (16) and boss (17) embed respectively in location notch (14) and the location notch (15), and permanent magnet (3) and pin (2) are fixed on the plug body (1); The position that plug body (1) cooperates with pin (2) is shaped on insulating sleeve (18) and is enclosed within pin (2) periphery and prevents to get an electric shock.
4, according to claim, 1 described self-regulation suspension face contact type attaching plug, plug body (1) also can be made into an integral body, it is characterized in that: the plastic type of making of plug body (1) becomes as a whole within it with pin (2), permanent magnet (3) and electric wire are fixing.
5, self-regulation suspension face contact type attaching plug according to claim 1, pin (2) is the parts of on-off circuit, it is characterized in that: the terminal working face of pin (2) is the plane, the quantity of pin (2) can select 1,2,3,4 by using bar to pay.
6, self-regulation suspension face contact type according to claim 2 supply socket, binding post (7) is the parts of on-off circuit, it is characterized in that: the shape of binding post (7) is formed " T " glyph group zoarium by one or more cylinders (19) and a strip piece (20); On the cylinder (19) of binding post (7) spring (9) is installed, cylinder (19) end of binding post (7) is equipped with terminal screw (10); Binding post (7) is embedded in the "T"-shaped groove (23) at socket (6) rear portion, and it is to realize switching on or off of circuit with the contact of the end face plane (21) of binding post (7) " T " glyph group zoarium and pin (2) end plane with separating.
7, self-regulation suspension face contact type according to claim 2 supply socket, socket (6) is the parts that combination binding post (7), permanent magnet (8), spring (9), anti-drop block (12), protective cover (13) are installed, and it is characterized in that: socket (6) can be made into Low-voltage socket plate, single-phase two holes, single-phase three-hole, three-phase four holes, movable socket plate and other sockets; The middle part of socket (6) is shaped on groove (22), the cross sectional shape of groove (22) is identical with the cross sectional shape of plug body (1), all than plug body (1) sectional dimension big slightly (for example 0.1-0.5mm), groove 22 has cooperated with pin 2, protective cover 13 that guide-localization covers on the cross section contour vertical direction for groove (22) and sectional dimension, protection against electric shock, dustproof effect; Socket (6) rear portion is shaped on "T"-shaped groove (23) and is used to install binding post (7), spring (9) and anti-drop block (12); Socket (6) rear portion is shaped on the mounting groove (24) of " protruding " font and the mounting groove (25) of column (for example cuboid) is used to install permanent magnet (8); Socket (6) goes up that the position is shaped on the passage of through hole (26) as pin (2) between groove (22) and "T"-shaped groove (23).
8, self-regulation suspension face contact type according to claim 1 supply socket, permanent magnet (8) is parts of realizing self-regulation suspension, slip-off preventing, anti-jamming, shockproof function, it is characterized in that: permanent magnet (8) is made " protruding " word shape or column (for example cuboid), is embedded in the mounting groove (24) at socket (6) rear portion and the mounting groove (25) and forms tight fit with it.
9, self-regulation suspension face contact type according to claim 2 supply socket, protective cover (13) be prevent to get an electric shock, the dustproof parts, it is characterized in that: groove (22) shape of protective cover (13) profile and socket (6) is identical and overall dimension is littler than groove (22) geomery; Be shaped on the lid (27) of protective cover (13) that baffle plate (28) opens fixing pin (29) with shape, spring (30) cooperates, be shaped on chute (31) on the lid (27) and open fixing pin (29) and cooperate.
10, self-regulation suspension face contact type according to claim 2 supply socket, protective cover (13) be prevent to get an electric shock, the dustproof parts, it is characterized in that: groove (22) shape of protective cover (13) profile and socket (6) is identical and its overall dimension is littler than the geomery of groove (22); Lid (32) outer upper of protective cover (13) can connect into turntable with groove (22) the top edge manufacturing of socket (6); Lid (32) outside lower limb of protective cover (13) is shaped on all-or-nothing piece (33), and lid (32) is shaped on holddown groove (34) and is used to install permanent magnet (35).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96247675 CN2287343Y (en) | 1996-12-05 | 1996-12-05 | Self adaptable suspension plane contact plug and socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96247675 CN2287343Y (en) | 1996-12-05 | 1996-12-05 | Self adaptable suspension plane contact plug and socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2287343Y true CN2287343Y (en) | 1998-08-05 |
Family
ID=33919761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96247675 Expired - Fee Related CN2287343Y (en) | 1996-12-05 | 1996-12-05 | Self adaptable suspension plane contact plug and socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2287343Y (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117482A (en) * | 2013-02-08 | 2013-05-22 | 吴为生 | Power socket and plug |
| CN104682083A (en) * | 2015-02-12 | 2015-06-03 | 冠德科技(北海)有限公司 | Power plug of charger |
| CN107425331A (en) * | 2016-04-19 | 2017-12-01 | 法拉第未来公司 | Charging Connectors for Electric Vehicles |
| CN108233080A (en) * | 2017-08-10 | 2018-06-29 | 罗志杰 | A kind of modified power supply grafting seat mechanism |
| CN108233082A (en) * | 2017-08-10 | 2018-06-29 | 罗志杰 | A kind of novel power supply grafting seat mechanism |
| CN111952773A (en) * | 2020-08-25 | 2020-11-17 | 宁波变雪电子科技有限公司 | A one-button start-stop device for a wall triangular jack |
| CN112582741A (en) * | 2020-12-29 | 2021-03-30 | 上海电信工程有限公司 | Optical fiber first-aid repair device |
-
1996
- 1996-12-05 CN CN 96247675 patent/CN2287343Y/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103117482A (en) * | 2013-02-08 | 2013-05-22 | 吴为生 | Power socket and plug |
| CN104682083A (en) * | 2015-02-12 | 2015-06-03 | 冠德科技(北海)有限公司 | Power plug of charger |
| CN107425331A (en) * | 2016-04-19 | 2017-12-01 | 法拉第未来公司 | Charging Connectors for Electric Vehicles |
| CN108233080A (en) * | 2017-08-10 | 2018-06-29 | 罗志杰 | A kind of modified power supply grafting seat mechanism |
| CN108233082A (en) * | 2017-08-10 | 2018-06-29 | 罗志杰 | A kind of novel power supply grafting seat mechanism |
| CN111952773A (en) * | 2020-08-25 | 2020-11-17 | 宁波变雪电子科技有限公司 | A one-button start-stop device for a wall triangular jack |
| CN111952773B (en) * | 2020-08-25 | 2021-05-07 | 张亦军 | A one-button start-stop device for a wall triangular jack |
| CN112582741A (en) * | 2020-12-29 | 2021-03-30 | 上海电信工程有限公司 | Optical fiber first-aid repair device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |