CN109599272A - A kind of rapid insertion device and switching device applied to high-voltage electricity - Google Patents
A kind of rapid insertion device and switching device applied to high-voltage electricity Download PDFInfo
- Publication number
- CN109599272A CN109599272A CN201811603676.4A CN201811603676A CN109599272A CN 109599272 A CN109599272 A CN 109599272A CN 201811603676 A CN201811603676 A CN 201811603676A CN 109599272 A CN109599272 A CN 109599272A
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- Prior art keywords
- connector
- quiet
- dynamic
- electric conductor
- group
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H1/00—Contacts
- H01H1/58—Electric connections to or between contacts; Terminals
- H01H1/5833—Electric connections to or between contacts; Terminals comprising an articulating, sliding or rolling contact between movable contact and terminal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/023—Base and stationary contacts mounted thereon
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H31/00—Air-break switches for high tension without arc-extinguishing or arc-preventing means
- H01H31/02—Details
- H01H31/026—Movable parts and contacts mounted thereon
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- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention discloses a kind of rapid insertion devices applied to high-voltage electricity, comprising: the fixing component of fixed setting；With the mobile member of fixing component cooperation；Control member is connected with mobile member, moves back and forth for controlling mobile member to contact or be detached from fixing component；Control member includes: a screw rod；One sliding block forms screw pair with screw rod, and is connected with mobile member.The invention also discloses a kind of quick jack switch devices applied to high-voltage electricity, including above-mentioned rapid insertion device；Fixing component includes at least one set of quiet connector group, and every group of quiet connector group includes two quiet connectors；Mobile member includes at least one set of dynamic connector group, and every group of dynamic connector group includes two dynamic connectors, and connector is moved in circuit pathways and is connected on quiet connector, and connector is moved in circuit breaker and is detached from quiet connector.The present invention controls contact or disengaging of the mobile member with fixing component by control member, to realize quick-make or the disconnection of circuit.
Description
Technical field
The present invention relates to electrical component field of switches, and in particular to a kind of rapid insertion device applied to high-voltage electricity and opens
Close device.
Background technique
With the development of the modernization of industry and power technology, high-voltage large current mobile power source and the mobile frequency converter of high pressure etc.
Equipment using more and more, go to need to break phase relation if such equipment is connected in high-voltage fence or control equipment at present
The high voltage power supply of system generallys use and is manually connected to the connection of high pressure mobile electrical power box or the mobile frequency converter of high pressure with high-tension cable
Mode in system equipment, connection mode is mostly artificial directly by two cables connections, time-consuming when cable is more
Arduously, it is also desirable to ensure the safety of connecting cable operating space；It is required to cut off the power in disconnection or connecting cable, it should
Commonly using the time that the power-off time operated is disconnected relative to direct circuit or connection is spent is also more, from the point of view of so, to send out
Bright one kind can attachment devices safe and reliable, quickly between cables multiple in succession be necessary.
Summary of the invention
In view of the deficiencies in the prior art, it is inserted the purpose of the present invention is to provide a kind of applied to the quick of high-voltage electricity
Connection device and switching device, the present invention by control member by the rotary motion of screw rod be converted into sliding block it is round-trip linear motion come
Contact or disengaging of the mobile member with fixing component are controlled, to realize quick-make or the disconnection of circuit.
To achieve the above objectives, in a first aspect, the embodiment of the present invention provides a kind of rapid insertion device, the plug assembly
Include:
The fixing component of fixed setting；
With the mobile member of fixing component cooperation；
Control member is connected with the mobile member, for control the mobile member move back and forth with it is described solid
Determine component contact or is detached from；The control member includes:
One screw rod；
One sliding block forms screw pair with the screw rod, and is connected with the mobile member, and screw pair is by the screw rod
Rotational motion is converted into the moving movement of the sliding block.
Based on the above technical solution, the control member further include:
One end of the screw rod is arranged in one rocking handle.
Second aspect, the embodiment of the present invention also provide a kind of quick jack switch device applied to high-voltage electricity, including upper
The rapid insertion device stated；The fixing component includes at least one set of quiet connector group, and quiet connector group described in every group includes two quiet
Connector, the two quiet connectors are respectively used to connection power end and electrical equipment end；
The mobile member includes at least one set of dynamic connector group, and it includes two dynamic connectors that connector group is moved described in every group, described in two
Dynamic connector is respectively used to connection power inleting terminal and power outlet end；In circuit pathways, the dynamic connector is connected to described quiet connect
On head, in circuit breaker, the dynamic connector is detached from the quiet connector.
Based on the above technical solution, the dynamic connector includes:
One electric conductor, fixing end with the cable of power inleting terminal and power outlet end for being connected, and free end is towards institute
State quiet connector；
Multiple plum-blossom chucks are located on the side of the electric conductor free end.
Based on the above technical solution, the dynamic connector further include:
First insulator is sheathed on outside the electric conductor of part；
Second insulator is set to the inner cavity of the first insulator and supports the fixing end of the electric conductor；
Wherein, the first insulator and the electric conductor coaxial line.
Based on the above technical solution, the dynamic connector further include:
Spring, hoop is set to the periphery of multiple plum-blossom chucks, when the dynamic connector is connected on the quiet connector,
Plum-blossom chuck described in the spring compression is simultaneously patched in the quiet connector.
Based on the above technical solution, the plum-blossom chuck is configured as to move along the radial direction of the electric conductor
It is dynamic.
Based on the above technical solution, gap is equipped between the first insulator and the electric conductor.
Based on the above technical solution, the quiet connector includes:
Quiet joint shell is used to accommodate the dynamic connector；
Conductive static contact is set in the quiet joint shell, is used for and the conductive body contact；
Connect conduct piece, one end is connected with the conductive static contact, the other end for connect power end and electricity consumption is set
The cable at standby end is connected.
Based on the above technical solution, the quiet connector group, the dynamic connector group all have three groups, are used for and three
Phase alternating current is connected.
Compared with the prior art, the advantages of the present invention are as follows:
The present invention provides one kind and is applied to high-voltage electricity rapid insertion device and switching device, and the present invention will by control member
The rotary motion of screw rod be converted into sliding block it is round-trip linear motion to control contact or disengaging of the mobile member with fixing component, with
Realize quick-make or the disconnection of circuit；Electrical equipment is switched in or out power supply by switching device provided by the invention, it is only necessary to right
Screw rod is controlled, and it is not necessarily to that dynamic connector and the contact of quiet connector and de- can be realized increasing other operating spaces
From more efficient for the control of contact and the disengaging of multiple moving contacts, static contact especially in three-phase circuit；Its
It is secondary, insulation system is equipped between electric conductor and movable part, movable part can be controlled in the case where continuous power down source to incite somebody to action
Electrical equipment fast break is linked into power supply, is especially adapted for use in high-voltage electricity.
Detailed description of the invention
Fig. 1 is the schematic diagram of rapid insertion device in the embodiment of the present invention；
Fig. 2 is the schematic cross-sectional view that connector is moved in the embodiment of the present invention；
Fig. 3 is the schematic cross-sectional view of quiet connector in the embodiment of the present invention；
Fig. 4 is the schematic diagram for being applied to the quick jack switch device of high-voltage electricity in the embodiment of the present invention；
Fig. 5 is the schematic diagram for being applied to the quick jack switch device of three-phase circuit in the embodiment of the present invention；
In figure: 1- fixing component, the quiet connector of 10-, the quiet joint shell of 101-, 102- conduction static contact, 103- connection are conductive
Part, 2- mobile member, 20- move connector, 201- electric conductor, 202- plum-blossom chuck, 203- first insulator, the insulation of 204- second
Body, 205- spring, the gap 206-, 3- control member, 31- screw rod, 32- sliding block, 33- rocking handle.
Specific embodiment
Clear, complete description is carried out below with reference to technical solution of the attached drawing to embodiment each in the present invention, it is clear that institute
The embodiment of description is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiment of the present invention,
Those of ordinary skill in the art's obtained all other embodiment without making creative work belongs to this
Invent protected range.
In the description of the present invention, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for description the present invention and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore is not considered as limiting the invention.In addition, term " ", " second ", " third "
It is used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.It should be pointed out that all attached drawings are illustrative expression.For the ordinary skill of this field
For personnel, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
The present invention is described in further detail below through specific implementation examples and in conjunction with the accompanying drawings.
Embodiment
Referring to shown in Fig. 1~3, the embodiment of the present invention provides a kind of rapid insertion device, by control member by screw rod
Rotary motion is converted into the round-trip linear motion of sliding block to control contact or disengaging of the mobile member with fixing component.
To reach above-mentioned technical effect, the general thought of the application is as follows:
As shown in Figure 1, a kind of rapid insertion device, the plug assembly include fixed setting fixing component 1, with it is described
The mobile member 2 and control member 3 that fixing component 1 cooperates；The control member 3 is connected with the mobile member 2, is used for
The mobile member 2 is controlled to move back and forth to contact or be detached from the fixing component 1；The control member 3 includes a screw rod
31 and a sliding block 32；The sliding block 32 forms screw pair with the screw rod 31, and is connected with the mobile member 2, and screw pair will
The rotational motion of the screw rod 31 is converted into the moving movement of the sliding block 32.
A kind of rapid insertion device provided in this embodiment, sliding block 32 and screw rod 31 form screw pair, control returning for screw rod
Transhipment is dynamic, then mobile member 2 follows the moving movement of sliding block 32 and does in the case where sliding block 32 and mobile member 2 are connected
Identical movement, also, fixing component 1 and the structure of mobile member 2 be it is mutually matched, moved forward in mobile member 2
Certain position can be connected in fixing component 1 and contact with fixing component 1, when need mobile member 2 be detached from fixing component 1
When, control screw rod 31 inverts.
As further improving and supplementing to the present embodiment, as shown in Figure 1, the control member 3 further includes a rocking handle
33, one end of the screw rod 31 is set.Rotation crank 33, screw rod 31 carry out rotary motion, the center of rotation of handle 33
Point position does not change, and mode of operation is easy.
So when rapid insertion device, which serves as, to be switched for a single line, further, as shown in Fig. 2, described move connects
First 20 include an electric conductor 201 and multiple plum-blossom chucks 202；The fixing end of the electric conductor 201 be used for power inleting terminal and
The cable at power outlet end is connected, and free end is towards the quiet connector 10；Multiple plum-blossom chucks 202 are located on the conduction
The side of 201 free end of body.
Further, as shown in Fig. 2, the dynamic connector 20 further includes spring 205, hoop is set to multiple plum-blossom chucks
202 periphery, when the dynamic connector 20 is connected on the quiet connector 10, the spring 205 compresses the plum-blossom chuck 202
And patched in the quiet connector 10, achieve the purpose that reliable contacts.
Further, as shown in Fig. 2, the plum-blossom chuck 202 be configured as can be along the radial direction side of the electric conductor 201
To movement；It can be realized in plum-blossom chuck 202 and 201 contact position of electric conductor setting elastic connecting element, the elastic joint part
Part may be it is in the prior art any one, it is not shown.This connection type improves electric conductor and is connecing with quiet connector 10
Reliability when touching.
As a kind of preferred embodiment of the embodiment of the present invention, as shown in Fig. 2, the dynamic connector 20 further includes first insulator
203 and second insulator 204；The first insulator 203 is sheathed on outside the electric conductor 201 of part, i.e., multiple plum blossoms
Collet 202 is exposed outside；The second insulator 204 is set to the inner cavity of the first insulator 203 and supports the conduction
The fixing end of body 201, in the present embodiment, the axis of the second insulator 204 are higher than the axis of the first insulator 203
Line；For the ease of the convenience of installation, 201 coaxial line of the first insulator 203 and the electric conductor.In electric conductor and activity
It is equipped with insulation system first insulator 203 and second insulator 204 between portion, work can be controlled in the case where continuous power down source
Dynamic portion by electrical equipment fast break or can be linked into power supply.
Further, as shown in Fig. 2, being equipped with gap 206 between the first insulator 203 and the electric conductor 201.Between
Gap 206 is air dielectric, and insulating capacity is strong, improves safety；And work as the first insulator 203 and the electric conductor 201
Between have gap 206, be also convenient for the installation of electric conductor.
As a kind of preferred embodiment of the embodiment of the present invention, as shown in figure 3, the quiet connector 10 includes quiet joint shell
101, conductive static contact 102 and connection conduct piece 103；The quiet joint shell 101 is for accommodating the dynamic connector 20；It is described to lead
Electric static contact 102 is set in the quiet joint shell 101, for contacting with the electric conductor 201；The connection conduct piece 103
One end be connected with the conductive static contact 101, the other end is used for connected with the cable for connecting power end and electrical equipment end.Institute
The structure for stating quiet connector 10 is connect reliably with plum-blossom chuck 202, electric conductor 201, and in dynamic connector 20 close to or far from quiet connector
Coherent, realization quick on-off electricity is acted when 10.
Shown in referring to fig. 2~4, the embodiment of the present invention also provides a kind of quick jack switch device applied to high-voltage electricity,
Fixing component 1 including fixed setting, mobile member 2 and control member 3 with the fixing component 1 cooperation；The control
Component 3 is connected with the mobile member 2, for control the mobile member 2 move back and forth to be contacted with the fixing component 1 or
It is detached from；The control member 3 includes a screw rod 31 and a sliding block 32；The sliding block 32 forms screw pair with the screw rod 31, and
It is connected with the mobile member 2, screw pair converts the rotational motion of the screw rod 31 to the moving movement of the sliding block 32；Institute
Stating fixing component 1 includes at least one set of quiet connector group, and quiet connector group described in every group includes two quiet connectors 10, the two quiet connectors
10 are respectively used to connection power end and electrical equipment end；The mobile member 2 includes at least one set of dynamic connector group, is moved described in every group
Connector group includes two dynamic connectors 20, and the two dynamic connectors 20 are respectively used to connection power inleting terminal and power outlet end；In circuit
The dynamic connector 20 is connected on the quiet connector 10 when access, and in circuit breaker, the dynamic connector 20 is detached from the quiet connector
10。
The present invention provides a kind of quick jack switch device applied to high-voltage electricity, and electrical equipment is switched in or out electricity
Source converts the round-trip linear motion of sliding block for the rotary motion of screw rod by control member to control mobile member and fixed structure
The contact or disengaging of part, to realize quick-make or the disconnection of circuit, and it is not necessarily to increasing other operating spaces
It realizes dynamic connector and the contact of quiet connector and disengaging, realizes quick-make or the disconnection of circuit.
Further, as shown in Fig. 2, the dynamic connector 20 includes an electric conductor 201 and multiple plum-blossom chucks 202；It is described
The fixing end of electric conductor 201 with the cable of power inleting terminal and power outlet end for being connected, and free end is towards the quiet connector
10；Multiple plum-blossom chucks 202 are located on the side of 201 free end of electric conductor.
Further, as shown in Fig. 2, the dynamic connector 20 further includes spring 205, hoop is set to multiple plum-blossom chucks
202 periphery, when the dynamic connector 20 is connected on the quiet connector 10, the spring 205 compresses the plum-blossom chuck 202
And patched in the quiet connector 10, achieve the purpose that reliable contacts.
Further, as shown in Fig. 2, the plum-blossom chuck 202 be configured as can be along the radial direction side of the electric conductor 201
To movement；It can be realized in plum-blossom chuck 202 and 201 contact position of electric conductor setting elastic connecting element, the elastic joint part
Part may be it is in the prior art any one, it is not shown.This connection type improves electric conductor and is connecing with quiet connector 10
Reliability when touching.
As a kind of preferred embodiment of the embodiment of the present invention, as shown in Fig. 2, the dynamic connector 20 further includes first insulator
203 and second insulator 204；The first insulator 203 is sheathed on outside the electric conductor 201 of part, i.e., multiple plum blossoms
Collet 202 is exposed outside；The second insulator 204 is set to the inner cavity of the first insulator 203 and supports the conduction
The fixing end of body 201, in the present embodiment, the axis of the second insulator 204 are higher than the axis of the first insulator 203
Line；For the ease of the convenience of installation, 201 coaxial line of the first insulator 203 and the electric conductor.In electric conductor and activity
It is equipped with insulation system first insulator 203 and second insulator 204 between portion, work can be controlled in the case where continuous power down source
Dynamic portion by electrical equipment fast break or can be linked into power supply.
Further, as shown in Fig. 2, being equipped with gap 206 between the first insulator 203 and the electric conductor 201.Between
Gap 206 is air dielectric, and insulating capacity is strong, improves safety；And work as the first insulator 203 and the electric conductor 201
Between have gap 206, be also convenient for the installation of electric conductor.
As a kind of preferred embodiment of the embodiment of the present invention, as shown in figs. 34, the quiet connector 10 includes outside quiet connector
Shell 101, conductive static contact 102 and connection conduct piece 103；The quiet joint shell 101 is for accommodating the dynamic connector 20；It is described
Conductive static contact 102 is set in the quiet joint shell 101, for contacting with the electric conductor 201；The connection conduct piece
103 one end is connected with the conductive static contact 101, the other end for the cable phase that connect power end and electrical equipment end
Even.The structure of the quiet connector 10 is connect reliably with plum-blossom chuck 202, electric conductor 201, and in dynamic connector 20 close to or far from quiet
Coherent, realization quick on-off electricity is acted when connector 10.
As a kind of preferred embodiment of the embodiment of the present invention, as shown in figure 5, the quiet connector group, the dynamic connector group are equal
With three groups, it is used to be electrically connected with three-phase alternating current.In three-phase circuit, multiple moving contacts 20, static contact 10 are connect
Touching and the control being detached from, it is more efficient.The embodiment of the present invention is the quick of the high-voltage large current applied to 10KV voltage class
Jack switch, load current can satisfy tens capacity requirements for arriving several hundred peaces, solve the mobile change of high pressure mobile power source, high pressure
Frequency device etc. needs to quickly access power grid and control equipment, plays the role of quick grafting.
Quick jack switch provided in an embodiment of the present invention can be directly mounted on the position of Yu Yuan vacuum circuit breaker,
It can be placed in the effect that other positions serve as switch, there is certain versatility and interchangeability, the inserting mode energy fast moved
It is enough to be quickly accessed in high-voltage fence in the case where charge situation, can also fast live line exit, connection swift to operate is reliably.
The present invention is not limited to the above-described embodiments, for those skilled in the art, is not departing from
Under the premise of the principle of the invention, several improvements and modifications can also be made, these improvements and modifications are also considered as protection of the invention
Within the scope of.The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
Claims (10)
1. a kind of rapid insertion device, which is characterized in that the plug assembly includes:
The fixing component (1) of fixed setting；
With the mobile member (2) of the fixing component (1) cooperation；
Control member (3) is connected with the mobile member (2), for control the mobile member (2) move back and forth with institute
It states fixing component (1) contact or is detached from；The control member (3) includes:
One screw rod (31)；
One sliding block (32) forms screw pair with the screw rod (31), and is connected with the mobile member (2), and screw pair is by institute
The rotational motion for stating screw rod (31) is converted into the moving movement of the sliding block (32).
2. rapid insertion device according to claim 1, which is characterized in that the control member (3) further include:
One rocking handle (33) is arranged in one end of the screw rod (31).
3. a kind of quick jack switch device applied to high-voltage electricity, including fast described in any one according to claim 1~2
Fast plug assembly；It is characterized in that,
The fixing component (1) includes at least one set of quiet connector group, and quiet connector group described in every group includes two quiet connectors (10), and two
The quiet connector (10) is respectively used to connection power end and electrical equipment end；
The mobile member (2) includes at least one set of dynamic connector group, and it includes two dynamic connectors (20), two institutes that connector group is moved described in every group
It states connector (20) and is respectively used to connection power inleting terminal and power outlet end；In circuit pathways, the dynamic connector (20) is abutted
On the quiet connector (10), in circuit breaker, the dynamic connector (20) is detached from the quiet connector (10).
4. the quick jack switch device according to claim 3 applied to high-voltage electricity, which is characterized in that the dynamic connector
(20) include:
One electric conductor (201), fixing end with the cable of power inleting terminal and power outlet end for being connected, and free end is towards institute
State quiet connector (10)；
Multiple plum-blossom chucks (202), are located on the side of the electric conductor (201) free end.
5. the quick jack switch device according to claim 4 applied to high-voltage electricity, which is characterized in that the dynamic connector
(20) further include:
First insulator (203) is sheathed on the part electric conductor (201) outside；
Second insulator (204) is set to the inner cavity of the first insulator (203) and supports consolidating for the electric conductor (201)
Fixed end；
Wherein, the first insulator (203) and the electric conductor (201) coaxial line.
6. the quick jack switch device according to claim 4 applied to high-voltage electricity, which is characterized in that the dynamic connector
(20) further include:
Spring (205), hoop are set to the periphery of multiple plum-blossom chucks (202), are connected in the dynamic connector (20) described
When on quiet connector (10), the spring (205) compresses the plum-blossom chuck (202) and is patched in the quiet connector (10)
It is interior.
7. the quick jack switch device according to claim 4 applied to high-voltage electricity, which is characterized in that the plum blossom folder
Head (202) is configured as can be mobile along the radial direction of the electric conductor (201).
8. according to claim 5 patch switching device applied to high-voltage electricity fastly, which is characterized in that described first absolutely
Gap (206) are equipped between edge body (203) and the electric conductor (201).
9. the quick jack switch device according to claim 4 applied to high-voltage electricity, which is characterized in that the quiet connector
(10) include:
Quiet joint shell (101) is used to accommodate the dynamic connector (20)；
Conductive static contact (102) is set in the quiet joint shell (101), for contacting with the electric conductor (201)；
Connect conduct piece (103), one end is connected with the conductive static contact (101), the other end for connect power end and
The cable at electrical equipment end is connected.
10. the quick jack switch device according to claim 3 applied to high-voltage electricity, which is characterized in that described quiet to connect
Head group, the dynamic connector group all have three groups, are used to be electrically connected with three-phase alternating current.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811603676.4A CN109599272A (en) | 2018-12-26 | 2018-12-26 | A kind of rapid insertion device and switching device applied to high-voltage electricity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811603676.4A CN109599272A (en) | 2018-12-26 | 2018-12-26 | A kind of rapid insertion device and switching device applied to high-voltage electricity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109599272A true CN109599272A (en) | 2019-04-09 |
Family
ID=65962807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811603676.4A Pending CN109599272A (en) | 2018-12-26 | 2018-12-26 | A kind of rapid insertion device and switching device applied to high-voltage electricity |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109599272A (en) |
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| CN202178207U (en) * | 2011-08-17 | 2012-03-28 | 王永法 | All-insulation power switch |
| CN204927093U (en) * | 2015-03-09 | 2015-12-30 | 南京日新科技有限公司 | Take connecting rod and slider mechanism's motor formula load switch |
| CN205666202U (en) * | 2016-06-03 | 2016-10-26 | 宁波长和电器有限公司 | Rotatory disconnect -type circuit breaker |
| CN106898506A (en) * | 2017-04-12 | 2017-06-27 | 山西济达变压器有限公司 | A kind of involute shape power-assisted insert row mechanism |
| CN108750655A (en) * | 2018-07-25 | 2018-11-06 | 武汉中智德远科技开发有限公司 | A kind of welding shop steel plate carrying clamping device |
| CN108906381A (en) * | 2018-08-17 | 2018-11-30 | 北海飞九天电子科技有限公司 | A kind of pressurized tank connector of hand sprayer |
-
2018
- 2018-12-26 CN CN201811603676.4A patent/CN109599272A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201130602Y (en) * | 2007-12-07 | 2008-10-08 | 纪顺峰 | Quincuncial contact for high voltage electrical apparatus |
| CN202178207U (en) * | 2011-08-17 | 2012-03-28 | 王永法 | All-insulation power switch |
| CN204927093U (en) * | 2015-03-09 | 2015-12-30 | 南京日新科技有限公司 | Take connecting rod and slider mechanism's motor formula load switch |
| CN205666202U (en) * | 2016-06-03 | 2016-10-26 | 宁波长和电器有限公司 | Rotatory disconnect -type circuit breaker |
| CN106898506A (en) * | 2017-04-12 | 2017-06-27 | 山西济达变压器有限公司 | A kind of involute shape power-assisted insert row mechanism |
| CN108750655A (en) * | 2018-07-25 | 2018-11-06 | 武汉中智德远科技开发有限公司 | A kind of welding shop steel plate carrying clamping device |
| CN108906381A (en) * | 2018-08-17 | 2018-11-30 | 北海飞九天电子科技有限公司 | A kind of pressurized tank connector of hand sprayer |
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Application publication date: 20190409 |
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| RJ01 | Rejection of invention patent application after publication |