CN211088582U - Back panel connector - Google Patents

Back panel connector Download PDF

Info

Publication number
CN211088582U
CN211088582U CN202020104728.XU CN202020104728U CN211088582U CN 211088582 U CN211088582 U CN 211088582U CN 202020104728 U CN202020104728 U CN 202020104728U CN 211088582 U CN211088582 U CN 211088582U
Authority
CN
China
Prior art keywords
tongue
slot
plate body
backplane connector
slots
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202020104728.XU
Other languages
Chinese (zh)
Inventor
不公告发明人
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.)
Sichuan Huafeng Technology Co Ltd
Original Assignee
Sichuan Huafeng Enterprise Group Co
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 Sichuan Huafeng Enterprise Group Co filed Critical Sichuan Huafeng Enterprise Group Co
Priority to CN202020104728.XU priority Critical patent/CN211088582U/en
Application granted granted Critical
Publication of CN211088582U publication Critical patent/CN211088582U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

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

Abstract

The utility model relates to the technical field of connectors, in particular to a backplane connector, which comprises a terminal assembly and a cover plate; the terminal component comprises a first surface and a second surface which are connected with each other at a preset included angle, the cover plate comprises a first plate body and a second plate body which are connected with each other at a preset included angle, a first slot is arranged on the first surface, a first inserting tongue is arranged on the first plate body and is inserted into the first slot, a first mounting block is arranged on the second surface in a protruding mode, a second slot is arranged on the first mounting block, a second inserting tongue is arranged on the second plate body and is inserted into the second slot, and the first inserting tongue is clamped with the terminal component and/or the second inserting tongue is clamped with the terminal component, so that the first plate body and the first surface and the second plate body and the second surface can be stably connected, when the terminal component is pulled out and inserted or the terminal component is stressed laterally, the cover plate can be stably connected with the terminal component, so as to prevent the terminal assembly from loosening, thereby ensuring good contact between the terminal assembly and the butting connector and ensuring signal integrity.

Description

Back panel connector
Technical Field
The utility model relates to a connector technical field especially relates to a backplane connector.
Background
With the rapid development of information technology, data transmission rates are increasing. High speed connectors are moving to higher speeds and higher densities. Among them, the backplane connector is an important member of the high-speed connector, and its application scenarios are continuously expanded, for example, the new application scenarios such as conventional printed board and printed board connection (backplane), printed board and printed board vertical connection (orthogonal backplane), and printed board or cable and cable connection (wire backplane) … … provide more rigorous requirements for the strength, stability and reliability of the backplane connector.
In the backplane connector in the prior art, the terminal assemblies are in a wafer parallel splicing structure, and parts such as a cover plate and a bottom plate are additionally arranged on the splicing structure or hot melting or glue pouring is carried out on the splicing structure to realize the stability of the connector. The patent number is CN109038048A discloses a fixed knot of backplate connector constructs in earlier stage patent document, and this structure utilizes the first stopper that slice body plastic body was equipped with, the second stopper inserts first spacing hole, the second spacing hole that the apron corresponds, and the plastic body upper end still is equipped with T type dog, has the clearance between two adjacent T type dogs, and the apron is close to and still is equipped with the picture peg to preceding lid one side, and the picture peg inserts in the clearance that corresponds. This structure has fixed the rear end face of terminal assembly, the up end, but when the back panel connector is great, rear end face and up end length are longer, in order to realize fixedly, the corresponding direction length of apron also need increase, this can cause the apron to be yielding in the direction of not having T type dog, can not paste tight terminal assembly, terminal assembly is easy not hard up when pulling out to insert or the side direction atress, cause the up end easily to connect shakiness, contact jaw contact subalternation phenomenon, influence the signal integrality of connector.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: a backplane connector is provided to solve the problem that a cover plate of the backplane connector in the related art is easy to loosen when connecting two side faces of a terminal assembly.
The utility model provides a backplane connector, which comprises a terminal component and a cover plate;
the terminal subassembly is including being first face and the second face that predetermines the contained angle and connect, be equipped with first slot on the first face, the second face epirelief is equipped with first installation piece, be equipped with the second slot on the first installation piece, the apron is including being predetermine first plate body and the second plate body that the contained angle is connected, be equipped with first tongue of inserting on the first plate body, it inserts the tongue to be equipped with the second on the second plate body, first tongue of inserting with first slot and the second insert the tongue with the second slot is all pegged graft, first tongue of inserting with terminal subassembly joint and/or the second insert the tongue with the terminal subassembly joint.
As a preferred technical scheme of the backplane connector, a second mounting block is arranged on the first surface, a mounting hole is arranged on the first plate body, and the second mounting block is inserted into the mounting hole.
As a preferred technical scheme of the backplane connector, the cover plate is formed by a stamping process, the first insertion tongue can be formed into a stamping hole in the first plate body after being stamped, and the stamping hole is communicated with the mounting hole.
As a preferred technical solution of the backplane connector, the first insertion tongue is connected with the terminal assembly in a clamping manner, one of the side wall of the first insertion tongue and the side wall of the first slot is provided with a first clamping protrusion, and the other one of the side wall of the first insertion tongue and the side wall of the first slot is provided with a first clamping groove, and the first clamping protrusion is connected with the first clamping groove in a clamping manner.
As a preferred technical solution of the backplane connector, the second insertion tongue is connected with the first mounting block in a clamped manner, one of the side wall of the second insertion tongue and the side wall of the second slot is provided with a second clamping protrusion, the other one of the side wall of the second slot is provided with a second clamping groove, and the second clamping protrusion is connected with the second clamping groove in a clamped manner.
As a preferred technical solution of the backplane connector, one end of the first insertion tongue for being inserted into the first slot and one end of the second insertion tongue for being inserted into the second slot are both provided with a guiding inclined plane.
As the preferred technical scheme of backplane connector, the interval is equipped with a plurality ofly on the first face first slot, the interval is equipped with a plurality ofly on the second face first installation piece, each all be equipped with on the first installation piece the second slot, the interval is equipped with a plurality ofly on the first plate body first tongue is inserted, the interval is equipped with a plurality ofly on the second plate body the second tongue is inserted, and is a plurality of first tongue and a plurality of first slot is pegged graft one-to-one, and is a plurality of the second tongue is inserted with a plurality of the second slot is pegged graft one-to-one.
As a preferred technical solution of the backplane connector, the terminal assembly includes a plurality of terminals sequentially spliced along a first direction, the first face, the second face, the plurality of first slots, and the plurality of second slots are formed by splicing the plurality of terminals, and the plurality of first slots and the plurality of second slots are all arranged at equal intervals along the first direction.
As a preferred technical solution of the backplane connector, the cover plate further includes a connecting portion, the connecting portion includes a plurality of connecting ribs arranged at intervals in the first direction, and the connecting ribs are connected between the second plate body and the first plate body.
As an optimal technical scheme of the backplane connector, the preset included angle is 90 degrees, and the first insertion tongue is perpendicular to the first slot and the second insertion tongue is perpendicular to the board surface of the first board body and parallel to the board surface of the second board body.
The utility model has the advantages that:
the utility model provides a backplane connector, which comprises a terminal component and a cover plate; the terminal assembly comprises a first surface and a second surface which are connected through a preset included angle, the cover plate comprises a first plate body and a second plate body which are connected through the preset included angle, a first slot is formed in the first surface, a first insertion tongue is arranged on the first plate body and is inserted into the first slot, a first installation block is arranged on the second surface in a protruding mode, a second slot is formed in the first installation block, a second insertion tongue is arranged on the second plate body and is inserted into the second slot, and the first insertion tongue is clamped with the terminal assembly and/or the second insertion tongue is clamped with the terminal assembly. Compared with the related technology, when the terminal component is pulled out and inserted or stressed laterally, the cover plate can be stably connected with the terminal component to prevent the terminal component from loosening, so that the terminal component and the butting connector are well contacted, and the integrity of signals is ensured.
Drawings
Fig. 1 is a schematic structural diagram of a backplane connector according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a cover plate in an embodiment of the present invention;
fig. 3 is a schematic structural view of a terminal assembly according to an embodiment of the present invention;
fig. 4 is a cross-sectional view of a terminal assembly in an embodiment of the invention;
FIG. 5 is an enlarged view at A of FIG. 4;
FIG. 6 is an enlarged view at B in FIG. 4;
in the figure:
1. a terminal assembly;
11. a first side; 111. a first slot; 112. a first snap projection; 113. a second mounting block;
12. a second face; 121. a first mounting block; 122. a second slot; 123. a second snap projection;
13. a terminal;
2. a cover plate;
21. a first plate body; 211. a first tongue; 212. a first card slot; 213. mounting holes; 214. punching a hole; 215. a guide slope;
22. a second plate body; 221. a second tongue; 222. a second card slot;
23. and connecting ribs.
Detailed Description
The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Where the terms "first position" and "second position" are two different positions, and where a first feature is "over", "above" and "on" a second feature, it is intended that the first feature is directly over and obliquely above the second feature, or simply means that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
As shown in fig. 1 to 6, the present embodiment provides a backplane connector, which includes a terminal assembly 1 and a cover plate 2; terminal subassembly 1 is including being first face 11 and the second face 12 that predetermine the contained angle and connect, and apron 2 is connected with first face 11 through first plate body 21 including being the first plate body 21 and the second plate body 22 that predetermine the contained angle and connect, and second plate body 22 is connected with second face 12 to fix terminal subassembly 1.
The first face 11 is provided with a first slot 111, the first plate body 21 is provided with a first insertion tongue 211, the first insertion tongue 211 is inserted into the first slot 111, the second face 12 is convexly provided with a first mounting block 121, the first mounting block 121 is provided with a second slot 122, the second plate body 22 is provided with a second insertion tongue 221, the second insertion tongue 221 is inserted into the second slot 122, and the first insertion tongue 211 is clamped with the terminal assembly 1 and/or the second insertion tongue 221 is clamped with the terminal assembly 1. The backplane connector provided by this embodiment is clamped with the terminal assembly 1 through at least one of the first insertion tongue 211 and the second insertion tongue 221, and the first insertion tongue 211 and the second insertion tongue 221 are both inserted into the terminal assembly 1, so that the first board body 21 and the first surface 11 can be stably connected, the second board body 22 and the second surface 12 can be stably connected, and the first board body 21 and the second board body 22 can be effectively prevented from being deformed.
In this embodiment, the first insertion tongue 211 is connected to the terminal assembly 1 in a snap-fit manner, and the second insertion tongue 221 is connected to the first mounting block 121 in a snap-fit manner. With this arrangement, the first plate 21 and the second plate 22 can be stably connected to the first surface 11 and the second surface 12, respectively. Of course, in other embodiments, only the first latch 211 may be engaged with the terminal assembly 1, or only the second latch 221 may be engaged with the first mounting block 121.
Specifically, one of the side wall of the first tongue 211 and the side wall of the first slot 111 is provided with a first locking protrusion 112, and the other is provided with a first locking slot 212, and the first locking protrusion 112 is locked with the first locking slot 212. The present embodiment exemplarily shows that the first locking protrusion 112 is disposed on the sidewall of the first slot 111, and the first locking groove 212 is disposed on the sidewall of the first tongue 211. One of the side wall of the second tongue 221 and the side wall of the second slot 122 is provided with a second protrusion 123, the other is provided with a second slot 222, and the second protrusion 123 is connected with the second slot 222. The present embodiment exemplarily shows that the second locking protrusion 123 is disposed on the sidewall of the second slot 122, and the second locking groove 222 is disposed on the sidewall of the second tongue 221.
Optionally, the insertion direction of the first insertion tongue 211 and the first insertion groove 111 and the insertion direction of the second insertion tongue 221 and the second insertion groove 122 are the same, so that the assembly of the cover plate 2 and the terminal assembly 1 is facilitated. Specifically, the preset included angle between the first surface 11 and the second surface 12 and the preset included angle between the first board body 21 and the second board body 22 are both 90 °, and the plugging directions of the first plugging tongue 211 and the first slot 111 and the second plugging tongue 221 and the second slot 122 are both perpendicular to the board surface of the first board body 21 and parallel to the board surface of the second board body 22. Of course, in other embodiments, the angle of the preset included angle may be additionally set according to the requirement. Preferably, in this embodiment, the first slot 111 is a groove extending in a direction perpendicular to the first plate body 21, the groove is provided with an opening only on the first surface 11, and the first tongue 211 and the first slot 111 can be stably connected by clamping the four side walls of the groove and the first protrusion 112 with the first slot 212, so as to ensure that the first plate body 21 and the first surface 11 are not loosened. The second slot 122 is a through hole extending in a direction perpendicular to the first plate body 21, the second tongue 221 passes through the through hole, and the second tongue 221 and the second slot 122 can be stably connected by the four side walls of the through hole and the clamping connection between the second protrusion 123 and the second clamping groove 222, so that the second plate body 22 and the second surface 12 cannot be loosened.
Optionally, one end of the first tongue 211 for being inserted into the first slot 111 and one end of the second tongue 221 for being inserted into the second slot 122 are both provided with a guiding inclined plane 215. In the assembling process, the first insertion tongue 211 and the second insertion tongue 221 can be inserted into the first insertion groove 111 and the second insertion groove 122 smoothly.
Optionally, the first surface 11 is provided with a second mounting block 113, the first plate 21 is provided with a mounting hole 213, and the second mounting block 113 is inserted into the mounting hole 213. By providing the second mounting block 113, when the length of the first board 21 is long, the first board 21 can be prevented from being deformed by the second mounting hole 213, and the first board 21 and the first surface 11 can be stably connected. Preferably, the cover plate 2 is formed by a stamping process, and the first tongue 211 is formed by stamping to form a stamping hole 214 on the first plate body 21, wherein the stamping hole 214 is communicated with the mounting hole 213. Specifically, the hole width of the mounting hole 213 is greater than the hole width of the punching hole 214, that is, after the first insertion tongue 211 is formed by bending, the mounting hole 213 is formed by punching on the first plate body 21, so as to make the structure of the first plate body 21 more compact, and meanwhile, under the condition that the length of the first plate body 21 is fixed, the first insertion tongue 211 can have a longer length, so as to ensure the effective matching length of the first insertion tongue 211 and the first slot 111, and ensure the stable connection between the first plate body 21 and the first surface 11. It will be appreciated that the cover plate 2 is made of a metal material so as to be suitable for a stamping process, and the cover plate 2 serves to fix the terminal assembly 1.
Optionally, a plurality of first slots 111 are formed in the first surface 11 at intervals, a plurality of first mounting blocks 121 are formed in the second surface 12 at intervals, a second slot 122 is formed in each first mounting block 121, a plurality of first insertion tongues 211 are formed in the first plate body 21 at intervals, a plurality of second insertion tongues 221 are formed in the second plate body 22 at intervals, the plurality of second insertion tongues 221 are inserted into the plurality of second slots 122 in a one-to-one correspondence manner, and the plurality of first insertion tongues 211 are inserted into the plurality of first slots 111 in a one-to-one correspondence manner. The plurality of first insertion tongues 211 are inserted into the plurality of first insertion grooves 111, and the plurality of second insertion tongues 221 are inserted into the plurality of second insertion grooves 122, so that the cover plate 2 and the terminal assembly 1 can be stably connected. It should be noted that in this embodiment, the number of the second mounting blocks 113 and the mounting holes 213 is also multiple, and the multiple second mounting blocks 113 and the multiple mounting holes 213 are correspondingly plugged in one-to-one.
The terminal assembly 1 includes a plurality of terminals 13 sequentially spliced along a first direction, the first face 11, the second face 12, the first slots 111 and the second slots 122 are formed by splicing the plurality of terminals 13, and the first slots 111 and the second slots 122 are all arranged at equal intervals along the first direction. Wherein the first direction is indicated as ab-direction in fig. 1. In this embodiment, the number of the terminals 13 is even, and along the first direction, every two terminals 13 may form a first slot 111 and a first mounting block 121, and the first mounting block 121 forms a second slot 122.
The cover plate 2 further comprises a connecting portion, the connecting portion comprises a plurality of connecting ribs 23 arranged at intervals along the first direction, and the connecting ribs 23 are connected between the second plate body 22 and the first plate body 21. By providing the connecting ribs 23, a certain plasticity can be provided between the second plate body 22 and the first plate body 21, which facilitates the assembly of the cover plate 2 to the terminal assembly 1.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A backplane connector, characterized by comprising a terminal assembly (1) and a cover plate (2);
the terminal component (1) comprises a first surface (11) and a second surface (12) which are connected with each other at a preset included angle, a first slot (111) is arranged on the first surface (11), a first mounting block (121) is convexly arranged on the second surface (12), a second slot (122) is arranged on the first mounting block (121), the cover plate (2) comprises a first plate body (21) and a second plate body (22) which are connected with each other at a preset included angle, a first inserting tongue (211) is arranged on the first plate body (21), a second inserting tongue (221) is arranged on the second plate body (22), the first inserting tongue (211) is inserted into the first inserting groove (111) and the second inserting tongue (221) is inserted into the second inserting groove (122), the first insertion tongue (211) is clamped with the terminal component (1) and/or the second insertion tongue (221) is clamped with the terminal component (1).
2. The backplane connector of claim 1, wherein the first surface (11) is provided with a second mounting block (113), the first board body (21) is provided with a mounting hole (213), and the second mounting block (113) is inserted into the mounting hole (213).
3. The backplane connector of claim 2, wherein the cover plate (2) is formed by a stamping process, and the first latch tongue (211) is formed by stamping to form a stamping hole (214) in the first plate body (21), wherein the stamping hole (214) is communicated with the mounting hole (213).
4. The backplane connector of claim 1, wherein the first insertion tongue (211) is connected to the terminal assembly (1) in a snap-fit manner, one of a side wall of the first insertion tongue (211) and a side wall of the first slot (111) is provided with a first locking protrusion (112), and the other is provided with a first locking groove (212), and the first locking protrusion (112) is connected to the first locking groove (212) in a snap-fit manner.
5. The backplane connector of claim 1, wherein the second insertion tongue (221) is connected to the first mounting block (121) in a snap-fit manner, one of a side wall of the second insertion tongue (221) and a side wall of the second slot (122) is provided with a second locking protrusion (123), and the other is provided with a second locking groove (222), and the second locking protrusion (123) is connected to the second locking groove (222) in a snap-fit manner.
6. The backplane connector of claim 1, wherein an end of the first tongue (211) for mating with the first slot (111) and an end of the second tongue (221) for mating with the second slot (122) are each provided with a guiding bevel (215).
7. The backplane connector of any one of claims 1 to 6, wherein the first surface (11) is provided with a plurality of first slots (111) at intervals, the second surface (12) is provided with a plurality of first mounting blocks (121) at intervals, each first mounting block (121) is provided with a second slot (122), the first board body (21) is provided with a plurality of first insertion tongues (211) at intervals, the second board body (22) is provided with a plurality of second insertion tongues (221) at intervals, the first insertion tongues (211) and the first slots (111) are correspondingly inserted, and the second insertion tongues (221) and the second slots (122) are correspondingly inserted.
8. The backplane connector according to claim 7, wherein the terminal assembly (1) includes a plurality of terminals (13) sequentially joined along a first direction, and the first face (11), the second face (12), the first slots (111), and the second slots (122) are each formed by joining a plurality of the terminals (13), and the first slots (111) and the second slots (122) are each arranged at equal intervals along the first direction.
9. The backplane connector of claim 8, wherein the cover plate (2) further comprises a connecting portion, the connecting portion comprising a plurality of connecting ribs (23) spaced apart along the first direction, the connecting ribs (23) being connected between the second plate body (22) and the first plate body (21).
10. The backplane connector of any one of claims 1 to 6, wherein the predetermined included angle is 90 °, and the plugging directions of the first plug tongue (211) and the first slot (111) and the second plug tongue (221) and the second slot (122) are both perpendicular to the board surface of the first board body (21) and parallel to the board surface of the second board body (22).
CN202020104728.XU 2020-01-17 2020-01-17 Back panel connector Active CN211088582U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020104728.XU CN211088582U (en) 2020-01-17 2020-01-17 Back panel connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020104728.XU CN211088582U (en) 2020-01-17 2020-01-17 Back panel connector

Publications (1)

Publication Number Publication Date
CN211088582U true CN211088582U (en) 2020-07-24

Family

ID=71629698

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020104728.XU Active CN211088582U (en) 2020-01-17 2020-01-17 Back panel connector

Country Status (1)

Country Link
CN (1) CN211088582U (en)

Similar Documents

Publication Publication Date Title
US5035641A (en) Terminating insulated conductors
EP0795929B1 (en) Electric connector assembly with improved retention characteristics
US7331822B2 (en) Receptacle connector
US7351091B1 (en) Header connector
US6676449B2 (en) Electrical connector with grounding shell
US6012949A (en) Electrical connector assembly and boardlocks thereof
US5921808A (en) Ribbon cable plug-in connector
KR100716512B1 (en) Electrical connector for flat cable
US6733301B2 (en) Electrical connector for joining circuit boards
US4439001A (en) IDC Socket connector
CN211088582U (en) Back panel connector
KR20050053004A (en) Connector
TW531944B (en) Board mount type connector and board mounting structure of connector
CN211088547U (en) Back panel connector
US6454595B1 (en) Modular jack with led
JPH1140285A (en) Connector assembly for flat type flexible cable
CN218123778U (en) Board end connector and connector assembly
US20030124899A1 (en) Connector for coupling panels and method of coupling panels using the connector
JPH09266035A (en) Electric connector for flat flexible cable
US8277261B2 (en) Electrical connector
US4878153A (en) Electronic shelf assembly
CN111448716B (en) Back panel connector
US6109981A (en) Socket contact
JP2548757Y2 (en) Electrical connector for circuit board
CN112652901A (en) Connector with a locking member

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: No. 118, Sanjiang Avenue, economic development zone, Mianyang, Sichuan 621000

Patentee after: Sichuan Huafeng Technology Co.,Ltd.

Address before: No. 118, Sanjiang Avenue, economic development zone, Mianyang, Sichuan 621000

Patentee before: SICHUAN HUAFENG ENTERPRISE GROUP Co.,Ltd.

CP01 Change in the name or title of a patent holder