CN113871951A - Novel quick connector - Google Patents

Novel quick connector Download PDF

Info

Publication number
CN113871951A
CN113871951A CN202110996421.4A CN202110996421A CN113871951A CN 113871951 A CN113871951 A CN 113871951A CN 202110996421 A CN202110996421 A CN 202110996421A CN 113871951 A CN113871951 A CN 113871951A
Authority
CN
China
Prior art keywords
quick connector
wiring
novel quick
main body
copper pipe
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
Application number
CN202110996421.4A
Other languages
Chinese (zh)
Other versions
CN113871951B (en
Inventor
顾建峰
唐睿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Greatway Electrical Tool Co ltd
Original Assignee
Zhejiang Greatway Electrical Tool Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Zhejiang Greatway Electrical Tool Co ltd filed Critical Zhejiang Greatway Electrical Tool Co ltd
Priority to CN202110996421.4A priority Critical patent/CN113871951B/en
Publication of CN113871951A publication Critical patent/CN113871951A/en
Application granted granted Critical
Publication of CN113871951B publication Critical patent/CN113871951B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/627Snap or like fastening
    • H01R13/6275Latching arms not integral with the housing
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/28Contacts for sliding cooperation with identically-shaped contact, e.g. for hermaphroditic coupling devices
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/502Bases; Cases composed of different pieces
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/005Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure requiring successive relative motions to complete the coupling, e.g. bayonet type
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/84Hermaphroditic coupling devices

Landscapes

  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

A novel quick connector comprises a junction box, a connecting wire and a fixed connecting piece. The junction box comprises a wiring shell, a wire mounting hole and a knob switch. The wiring shell comprises a shell body, a connecting socket, a locking groove and a first mounting through hole. The connecting wire comprises a wire main body, a wiring copper pipe and a second mounting through hole. The wiring copper pipe comprises a wiring copper pipe body and a clamping groove. When the two novel quick connectors are connected with each other, one end of the wiring copper pipe in one novel quick connector is accommodated in the connecting socket of the wiring copper pipe in the other novel quick connector, so that the position between the two novel quick connectors is limited. This novel quick connector simple structure, simple to operate has shortened the wiring and has taken off the line the time, has improved the efficiency of wiring and taking off the line greatly, can fast wiring and take off the line, and is easy and simple to handle swift.

Description

Novel quick connector
Technical Field
The invention belongs to the technical field of wire connecting devices, and particularly relates to a novel quick connector.
Background
The existing wire connector is used as a wiring terminal, is suitable for copper wires of single strand, multiple strand, thin multiple strand and the like, and is an important connecting part for connecting electrical appliances, but because the existing connector or wiring terminal has various structures, the wiring can not be completed in one step, the connector is usually required to be disassembled, the wires are connected to the connector by using connecting pieces or fixing pieces such as bolts, rivets and the like, the installation and production connection are complicated, the wiring process is increased, the wiring efficiency is reduced, and particularly, the process is more complicated and fussy for the connector needing to be connected with a soft wire and a hard wire; when the connector is connected with a wire, the wire is required to be detached from the connector, and the connector needs to be detached again, which is very inconvenient.
Although the connector or the terminal capable of once wiring has been invented, the connector or the terminal has a complicated structure and a less than ideal wiring effect, and has no structure for fast wiring and fast disconnection, and the service life is not long, so that the connector or the terminal cannot meet the current diversified wiring requirements.
Disclosure of Invention
In view of the above, the present invention provides a novel quick connector capable of improving the wiring efficiency, so as to meet the industrial requirements.
A novel quick connector comprises a junction box, at least one connecting wire arranged on the upper junction box, and at least one fixed connecting piece inserted on the connecting wire and the junction box. The junction box comprises a wiring shell, at least one wire mounting hole formed in the wiring shell, and a knob switch rotatably connected to the side wall of one side of the wiring shell. The wiring shell comprises a shell body, a connecting socket arranged at one end head of the shell body, a locking groove arranged on the shell body and close to one end of the connecting socket, and at least one first mounting through hole arranged on the shell body and contained in the connecting socket. The knob switch is arranged at one end of the shell main body, which is back to the locking groove. The connecting wire comprises a wire main body, a wiring copper pipe sleeved at one end of the wire main body and at least one second mounting through hole penetrating through the wiring copper pipe and the wire main body. The wiring copper pipe comprises a wiring copper pipe main body and at least one clamping groove, wherein the wiring copper pipe faces towards one side of the connecting socket. The fixed connecting piece is inserted into the first mounting through hole and the second mounting through hole. The wiring copper pipe is accommodated at one end of the shell main body close to the connecting socket. When the two novel quick connectors are connected with each other, one end of the wiring copper pipe in one novel quick connector is accommodated in the connecting socket of the wiring copper pipe in the other novel quick connector, so that the position between the two novel quick connectors is limited.
Furthermore, on the section along the central axis of the connecting lead, the outer contour of the clamping groove is in an isosceles trapezoid shape.
Further, the junction box shell still includes one and sets up just orientation in the shell main part the linkage unit of connection socket one end, at least one setting is in the shell main part and orientation the non-slip raised of connection socket one end, and at least one setting is in the shell main part dorsad the pilot hole on the lateral wall of first installation through-hole one side.
Further, the connection unit includes at least one connection rod disposed in the housing main body, and a connection mounting hole disposed at one side of the connection rod.
Further, when two novel quick connectors are connected together, any one connecting rod of the novel quick connector is inserted into the connecting mounting hole of another novel quick connector, and the connecting rod and the edge of the connecting mounting hole are provided with chamfers.
Further, a partition plate may be disposed between the wire installation holes.
Furthermore, the edge positions of the wiring copper pipe are provided with round chamfers.
Furthermore, the locking groove is obliquely arranged, and the height of one end of the locking groove is higher than that of the other end of the locking groove in the extending direction perpendicular to the wiring shell.
Compared with the prior art, the novel quick connector provided by the invention has the advantages that the lead is accommodated in the lead mounting hole of the junction box. The wiring shell in the wiring box is provided with the knob switch, one end head of the wiring shell is provided with a connecting socket, and the locking groove is arranged at one end, close to the connecting socket, of the shell main body. The connecting wire is characterized in that one end of a wire main body in the connecting wire is sleeved with the wiring copper pipe, one side of the wiring copper pipe is provided with the clamping groove, and the wiring copper pipe is accommodated at one end, close to the connecting socket, of the shell main body. When the two novel quick connectors are connected with each other, one end socket of the wiring copper pipe in one novel quick connector is accommodated in the connection socket of the wiring copper pipe in the other novel quick connector, so that the two wiring copper pipes in the novel quick connectors are mutually buckled together to limit the position between the two novel quick connectors. In addition, the knob switch in each novel quick connector is accommodated in the locking groove in the other novel quick connector by rotating the knob switch, so that the positions of two sides of the two novel quick connectors are limited, and the two novel quick connectors are connected together. This novel quick connector simple structure, simple to operate has shortened the wiring and has taken off the line the time, has improved the efficiency of wiring and taking off the line greatly, can fast wiring and take off the line, and is easy and simple to handle swift.
Drawings
Fig. 1 is a schematic structural diagram of the novel quick connector provided by the invention.
Fig. 2 is an exploded view of the novel quick connector of fig. 1.
Fig. 3 is a schematic diagram of a structure of the new quick connector of fig. 1 in a use state.
Detailed Description
Specific examples of the present invention will be described in further detail below. It should be understood that the description herein of embodiments of the invention is not intended to limit the scope of the invention.
Fig. 1 to fig. 3 are schematic structural views of the novel quick connector provided by the present invention. The novel quick connector comprises a junction box 10, at least one connecting wire 20 arranged on the upper junction box 10, and at least one fixed connecting piece 30 inserted on the connecting wire 20 and the junction box 10. The novel quick connector also comprises other functional modules, such as assembly components and the like, which are well known to those skilled in the art and will not be described in detail herein.
The terminal box 10 includes a terminal housing 11, at least one wire mounting hole 12 formed in the terminal housing 11, and a rotary switch 13 rotatably connected to a side wall of the terminal housing 11.
The connection housing 11 includes a housing body 111, a connection socket 112 disposed at an end of the housing body 111, a locking recess 113 disposed on the housing body 111 and near an end of the connection socket 112, at least one first mounting hole 114 disposed on the housing body 111 and received in the connection socket 112, a connection unit 115 disposed in the housing body 111 and facing an end of the connection socket 112, at least one anti-slip protrusion 116 disposed in the housing body 111 and facing an end of the connection socket 112, and at least one mounting hole 117 disposed on a side wall of the housing body 111 facing away from the first mounting hole 114.
The connection socket 112 is used for accommodating the connection housing 11 of another new quick connector and the connection lead 20, so that two new quick connectors are connected together.
The locking recess 113 is used for accommodating the rotary switch 13, so the locking recess 113 will be described in detail with reference to the rotary switch 13.
The connection unit 115 includes at least one connection rod 1151 disposed in the housing main body 111, and a connection mounting hole 1152 disposed at one side of the connection rod 1151. When two novel quick connectors are connected together, the connecting rod 1151 of any one novel quick connector is inserted into the connecting mounting hole 1152 of the other novel quick connector, so that the connecting position between the two novel quick connectors is stable, the edges of the connecting rod 1151 and the connecting mounting hole 1152 are provided with chamfers, and the connecting rod 1151 is installed in the connecting mounting hole 1152.
The fitting hole 117 is used to install the fixing connector 30 to facilitate the connection between the connecting wire 20 and the terminal box 10.
The wire mounting hole 12 is used for accommodating the connecting wire 20, and the connecting socket 112 communicates with the wire mounting hole 12 so that an end of the wire 20 facing the connecting socket 112 communicates with the outside, thereby facilitating the interconnection between the wires 20. In addition, a partition plate 14 may be provided between the wire mounting holes 12 to partition the wire mounting holes 12 from each other to prevent the connecting wires 20 from being entangled with each other.
The knob switch 13 is connected to the wiring housing 11 through a screw, and the knob switch 13 can rotate around the screw, so that the knob switch is switched on and off in the rotating process. When the two novel quick connectors are connected with each other, the knob switch 13 in each novel quick connector is held in the locking groove 113 in the other novel quick connector by rotating the knob switch 13, so that the positions of two sides of the two novel quick connectors are limited.
The locking groove 113 and the rotary switch 13 are disposed on the side walls of both sides of one end of the terminal housing 11. The locking groove 113 is obliquely arranged, one end of the locking groove 113 is higher than the other end of the locking groove 113 along the extending direction perpendicular to the wiring housing 10, and when the rotary switch 13 is accommodated in the locking groove 113 and the rotary switch 13 is rotated, the rotary switch 13 can abut against the side wall of the locking groove 113, so that the position of the rotary switch 13 in the locking groove 113 is limited.
The connecting lead 20 includes a lead main body 21, a connecting copper tube 22 sleeved on one end of the lead main body 21, and at least one second mounting through hole 23 passing through the connecting copper tube 22 and the lead main body 21.
The lead body 21 refers to a material used as a wire and cable, which is a prior art and will not be described in detail herein.
The connecting copper tube 22 includes a main body 221 of the connecting copper tube, and at least one engaging recess 222 disposed on a side of the connecting copper tube 221 facing the connecting socket 112. The connecting copper tube 22 is accommodated in one end of the housing body 11 close to the connecting socket 112, the edge positions of the connecting copper tube 22 are all provided with round chamfers, in addition, the clamping groove 222 is arranged on the connecting copper tube body 221, and it is conceivable that the side wall of one side of the connecting copper tube body 221 is concave-convex, so that the connecting copper tubes 22 are convenient to connect with each other. On the cross section along the central axis of the connecting wire 20, the outer contour of the clamping groove 222 is isosceles trapezoid, so that the two connecting copper tubes 22 are stably buckled.
The second mounting through hole 23 and the first mounting through hole 114 are used for mounting the fixing connector 30 to fix the position of the wire 20 in the terminal box 10.
The fixing connecting member 30 is inserted into the first mounting through hole 14 and the second mounting through hole 23, the connecting wire 20 is fixedly connected to the connecting box 10 by the fixing connecting member 30, and the fixing connecting member 30 is a rivet, which is a prior art and therefore will not be described herein again.
When two novel quick connectors are connected with each other, one end of the copper wiring tube 22 in one novel quick connector is received in the connecting socket 222 of the copper wiring tube 22 in the other novel quick connector, and it is conceivable that the copper wiring tube 22 in the two novel quick connectors are buckled with each other to limit the position between the two novel quick connectors.
Compared with the prior art, the novel quick connector provided by the invention has the advantages that the lead 20 is accommodated in the lead mounting hole 12 of the junction box 10. The knob switch 13 is disposed on the connection housing 11 in the connection box 10, a connection socket 112 is disposed at an end of one end of the connection housing 11, and the locking groove 113 is disposed on the housing main body 111 and at an end close to the connection socket 112. The connecting copper tube 22 is sleeved at one end of the main body 21 of the connecting lead 20, the clamping groove 222 is formed at one side of the connecting copper tube 22, and the connecting copper tube 22 is accommodated at one end of the main body 11 of the housing, which is close to the connecting socket 112. When the two novel quick connectors are connected with each other, one end of the copper wiring tube 22 in one of the novel quick connectors is received in the connecting socket 222 of the copper wiring tube 22 in the other of the novel quick connectors, so that the copper wiring tubes 22 in the two novel quick connectors are buckled with each other to limit the position between the two novel quick connectors. In addition, by rotating the knob switch 13, the knob switch 13 in each new quick connector is accommodated in the locking groove 113 in another new quick connector, so that positions of two sides of the new quick connector are limited, and the two new quick connectors are connected together. This novel quick connector simple structure, simple to operate has shortened the wiring and has taken off the line the time, has improved the efficiency of wiring and taking off the line greatly, can fast wiring and take off the line, and is easy and simple to handle swift.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the scope of the present invention, and any modifications, equivalents or improvements that are within the spirit of the present invention are intended to be covered by the following claims.

Claims (8)

1. A novel quick connector is characterized in that: the novel quick connector comprises a junction box, at least one connecting wire arranged on the upper junction box, and at least one fixed connecting piece inserted on the connecting wire and the junction box, wherein the junction box comprises a wiring shell, at least one wire mounting hole arranged on the wiring shell, and a knob switch rotatably connected on the side wall of one side of the wiring shell, the wiring shell comprises a shell main body, a connecting socket arranged at one end head of the shell main body, a locking groove arranged on the shell main body and close to one end of the connecting socket, and at least one first mounting through hole arranged on the shell main body and accommodated in the connecting socket, the knob switch is arranged at one end head of the shell main body back to the locking groove, and the connecting wire comprises a wire main body, the novel quick connector comprises a wire main body, a connecting copper pipe and at least one second installation through hole, wherein the connecting copper pipe is sleeved at one end of the wire main body, the at least one second installation through hole penetrates through the connecting copper pipe and the wire main body, the connecting copper pipe comprises a connecting copper pipe main body and at least one clamping groove, the connecting copper pipe faces towards one side of the connecting socket, the fixed connecting piece is inserted into the first installation through hole and the second installation through hole, the connecting copper pipe is accommodated in the shell main body and is close to one end of the connecting socket, when the two novel quick connectors are connected together, one end of the connecting copper pipe in the novel quick connector is accommodated in the other connecting socket of the connecting copper pipe in the novel quick connector, and therefore the position between the two novel quick connectors is limited.
2. The new quick connector as claimed in claim 1, wherein: and on the section along the central shaft of the connecting lead, the outer contour of the clamping groove is in an isosceles trapezoid shape.
3. The new quick connector as claimed in claim 1, wherein: the junction box further comprises a connecting unit, at least one connecting unit and at least one assembling hole, wherein the connecting unit is arranged in the box body and faces towards one end of the connecting socket, the at least one assembling hole is formed in the side wall of one side of the first mounting through hole, and the at least one assembling hole is formed in the box body and faces away from the connecting socket.
4. The new quick connector as claimed in claim 3, wherein: the connecting unit comprises at least one connecting rod arranged in the shell main body and a connecting mounting hole arranged on one side of the connecting rod.
5. The new quick connector as claimed in claim 4, wherein: when two novel quick connector links together, arbitrary one novel quick connector's connecting rod all inserts and locates another novel quick connector connect in the mounting hole, the connecting rod and the edge of connecting the mounting hole all sets up the chamfer.
6. The new quick connector as claimed in claim 1, wherein: and a partition plate can be arranged between the lead mounting holes.
7. The new quick connector as claimed in claim 1, wherein: and the edge positions of the wiring copper pipes are provided with round chamfers.
8. The new quick connector as claimed in claim 1, wherein: the locking groove is obliquely arranged, and one end of the locking groove is higher than the other end of the locking groove in the extending direction perpendicular to the wiring shell.
CN202110996421.4A 2021-08-27 2021-08-27 Novel quick connector Active CN113871951B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110996421.4A CN113871951B (en) 2021-08-27 2021-08-27 Novel quick connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110996421.4A CN113871951B (en) 2021-08-27 2021-08-27 Novel quick connector

Publications (2)

Publication Number Publication Date
CN113871951A true CN113871951A (en) 2021-12-31
CN113871951B CN113871951B (en) 2024-02-23

Family

ID=78988583

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110996421.4A Active CN113871951B (en) 2021-08-27 2021-08-27 Novel quick connector

Country Status (1)

Country Link
CN (1) CN113871951B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117239494A (en) * 2023-11-09 2023-12-15 前海聚英(深圳)精密技术有限公司 Flush plug-in type automobile connector and use method thereof

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203218602U (en) * 2013-04-26 2013-09-25 江门市创艺电器有限公司 Conductive wire quick connector
CN207753189U (en) * 2018-01-29 2018-08-21 余姚市信亿电子科技有限公司 Quick wire connector
US20190058287A1 (en) * 2017-08-21 2019-02-21 Tyco Electronics (Shanghai) Co. Ltd. Electrical Connector

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203218602U (en) * 2013-04-26 2013-09-25 江门市创艺电器有限公司 Conductive wire quick connector
US20190058287A1 (en) * 2017-08-21 2019-02-21 Tyco Electronics (Shanghai) Co. Ltd. Electrical Connector
CN207753189U (en) * 2018-01-29 2018-08-21 余姚市信亿电子科技有限公司 Quick wire connector

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117239494A (en) * 2023-11-09 2023-12-15 前海聚英(深圳)精密技术有限公司 Flush plug-in type automobile connector and use method thereof
CN117239494B (en) * 2023-11-09 2024-01-23 前海聚英(深圳)精密技术有限公司 Flush plug-in type automobile connector and use method thereof

Also Published As

Publication number Publication date
CN113871951B (en) 2024-02-23

Similar Documents

Publication Publication Date Title
JP2013502032A5 (en)
CN104919660A (en) Cable connector system
JP2010252543A (en) Ground wire relay terminal block and distribution board incorporating the terminal block inside
CN202977761U (en) A pushing wire connector
CN113871951A (en) Novel quick connector
CN201323284Y (en) Inner conductor component of coaxial connector
CN102832467B (en) Lead connector
US11411331B2 (en) Hybrid type wire-to-wire connector structure and power supply device having the same
CN202534841U (en) LED lamp wiring device
CN215170893U (en) Fan with cooling device
CN209805005U (en) Industrial plug and socket assembly
CN109786991B (en) Cable adapter
CN201048186Y (en) Plug-in type electric connector
CN219246984U (en) Double-position connector
CN207009698U (en) A kind of binding post
CN212136744U (en) High-frequency transmission connector for double male head line ends
KR20180002889U (en) Outlet Integral Type Cable Cover for Electric Wire
CN218482456U (en) Waterproof photovoltaic cable assembly
CN218448705U (en) VDZ connector for high-frequency communication
CN212114027U (en) Connecting terminal
CN217882076U (en) Wire plug terminal
CN210838354U (en) Portable dual-purpose functional plug
CN206595423U (en) Plate is to wiring connector
CN220306557U (en) Female connector
CN210224374U (en) Connecting wire of air-conditioning compressor

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