CN214706534U - Adapter with replaceable plug - Google Patents
Adapter with replaceable plug Download PDFInfo
- Publication number
- CN214706534U CN214706534U CN202120821799.6U CN202120821799U CN214706534U CN 214706534 U CN214706534 U CN 214706534U CN 202120821799 U CN202120821799 U CN 202120821799U CN 214706534 U CN214706534 U CN 214706534U
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- Prior art keywords
- plug
- upper cover
- groove
- positioning
- conversion head
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- Expired - Fee Related
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- 238000006243 chemical reaction Methods 0.000 claims abstract description 40
- 238000003780 insertion Methods 0.000 claims abstract description 11
- 230000037431 insertion Effects 0.000 claims abstract description 11
- 238000001746 injection moulding Methods 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims abstract description 3
- 125000006850 spacer group Chemical group 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 6
- 238000002955 isolation Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
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Abstract
The utility model provides a can replace conversion head of plug, it includes lower cover, upper cover, plug. The upper cover is connected to the lower cover and comprises a positioning groove and an insertion block. The constant head tank is for setting up in the recess that covers on, and the constant head tank can be used to carry out perpendicular spacing to corresponding plug. One end fixedly connected with fixture block of constant head tank, the fixture block is used for carrying out the level spacing to corresponding plug. The plug-in block is arranged in the fixing hole at the bottom end of the positioning groove in a penetrating manner, and the plug-in block and the upper cover are integrally formed in an injection molding mode. The overhanging end of the plug-in block protrudes out of the positioning groove, and the plug is connected to the upper cover in a sliding manner. The plug comprises an elastic piece and a plug sheet, wherein the elastic piece is positioned at one end of the plug and is used for horizontally limiting the corresponding plug. One end of the elastic piece is provided with a clamping groove, the clamping groove is used for being matched with a corresponding clamping block to horizontally limit the plug, and the insertion sheet is fixedly connected to the plug. Effectively solved current plug and had the technical problem that use is comparatively inconvenient.
Description
Technical Field
The utility model relates to an electrical equipment field, in particular to conversion head.
Background
In modern society, electric products need to be electrified for use, so the electric products are connected with wires in sockets through plugs. Because plugs and sockets of different countries and regions have differences, people arriving at different countries and regions need to be equipped with local conversion plugs, and the daily use of people is inconvenient. Therefore, the existing plug has the technical problem of inconvenient use.
Therefore, it is desirable to provide a switching head capable of replacing a plug to solve the above-mentioned technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model provides a can replace conversion head of plug has effectively solved current plug and has had the technical problem that uses comparatively inconvenient.
The utility model provides a can replace conversion head of plug, it includes:
a lower cover;
an upper cover connected to the lower cover, including:
the positioning groove is a groove arranged on the upper cover and used for carrying out vertical limiting operation on a corresponding plug, the bottom end of the positioning groove is provided with a fixing hole, one end of the positioning groove is fixedly connected with a clamping block, and the clamping block is used for carrying out horizontal limiting operation on the corresponding plug;
the inserting block is arranged in the fixing hole in a penetrating mode, is integrally formed with the upper cover in an injection molding mode and comprises a hanging end, and the hanging end protrudes out of the positioning groove;
the plug, sliding connection in upper cover, it includes:
the elastic piece is positioned at one end of the plug and used for horizontally limiting the corresponding plug, and a clamping groove is formed in one end of the elastic piece and used for matching with the corresponding clamping block to horizontally limit the plug; and the number of the first and second groups,
the plug sheet is fixedly connected to the plug;
when the plug is in a disassembly state, a gap is formed between the overhanging end and the insertion sheet, and a gap is formed between the fixture block and the clamping groove for replacing a conversion head of the plug in a sliding manner and the structure of the conversion head is simpler.
Furthermore, the lower extreme of constant head tank is provided with the backing sheet, backing sheet integrated into one piece in the inside of upper cover for increase the intensity of upper cover.
Furthermore, the plug block still includes the wiring end, the wiring end with hang the relative setting of end, the wiring end with hang the end and connect, the wiring end is provided with first through-hole, first through-hole is used for the wiring for can replace the conversion head of plug can make things convenient for the wiring more.
Furthermore, the supporting sheet is square, and the middle part of the supporting sheet is provided with an isolation groove, so that the structure of the supporting sheet is simple, and the strength of the upper cover is ensured.
Furthermore, a first positioning hole is formed in the upper cover, a second positioning hole is formed in the support piece, and the position of the first positioning hole corresponds to the position of the second positioning hole and is used for limiting the installation position of the support piece.
Furthermore, the two ends of the positioning groove are provided with first limiting parts, the first limiting parts are fixedly connected with the upper cover, the two sides of the plug are provided with second limiting parts, and the second limiting parts are fixedly connected with the plug and used for enabling the guide plug and the plug to be more stable after installation.
Furthermore, the lower extreme of plug is provided with the spacing groove, the position of spacing groove with hang out the position of end and correspond for avoid the hanging out end of sheetmetal to receive external force and warp easily.
Furthermore, third positioning holes are formed in two ends of the inner side of the side edge of the upper cover, positioning columns are arranged at two ends of the inner side of the side edge of the lower cover, and the third positioning holes correspond to the positioning columns and are used for facilitating positioning and then fixedly connecting the upper cover and the lower cover.
Furthermore, the edge of the lower end of the upper cover is provided with a fixing groove, the edge of the upper end of the lower cover is provided with a fixing piece, and the fixing piece is fixedly connected with the fixing groove and used for enabling the upper cover and the lower cover to be connected more stably.
Furthermore, the bottom of lower cover is provided with the second through-hole, the second through-hole is used for setting up the pilot lamp.
The utility model discloses compare in prior art, its beneficial effect is: the utility model discloses the conversion head that can replace the plug is provided with constant head tank and plug, plug accessible constant head tank sliding connection in upper cover. When the plug is in a use state, the overhanging end of the plug block is contacted with the plug sheet, and the positioning groove limits the position of the plug in the vertical direction. The clamping block is connected with a clamping groove at one end of the elastic piece in a buckling mode, and the clamping block and the clamping groove are matched to limit the position of the plug in the horizontal direction. When the plug is in a detachable state, a gap is arranged between the hanging end of the insertion block and the insertion sheet, and a gap is arranged between the clamping block and the clamping groove. The plug can be replaced by the replaceable plug in a sliding manner, so that the technical problem that the existing plug is inconvenient to use due to the fact that the existing plug cannot be replaced is effectively solved.
Moreover, the conversion head of the replaceable plug further comprises a support sheet and a plug-in block. The inserting block is integrally formed on the upper cover, the supporting sheet is integrally formed inside the upper cover, and the supporting sheet can increase the strength of the upper cover. The plug block further comprises a wiring end, wherein a first through hole is formed in the wiring end and can be used for wiring. The user can connect the line more simply through the first through hole, so the overall structure of the conversion head of the replaceable plug is simpler, and the conversion head of the replaceable plug is more convenient for the user to use.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments are briefly introduced below, and the drawings in the following description are only corresponding drawings of some embodiments of the present invention.
Fig. 1 is a perspective view of an embodiment of a conversion head of the replaceable plug of the present invention.
Fig. 2 is a rear view of the upper cover of the embodiment of the adapter of the replaceable plug of the present invention.
Fig. 3 is a front view of the upper cover of the embodiment of the adapter of the replaceable plug of the present invention.
Fig. 4 is a structural diagram of an upper cover of an embodiment of the adapter of the present invention.
Fig. 5 is a structural diagram of a lower cover of an embodiment of the adapter of the present invention.
Fig. 6 is a structural diagram of a support sheet of an embodiment of the adapter of the present invention.
Fig. 7 is a front view of a plug according to an embodiment of the present invention, which is a conversion head for a replaceable plug.
Fig. 8 is a rear view of a plug according to an embodiment of the present invention, showing a conversion head for a replaceable plug.
In the figure, 10, a switching head which can replace a plug; 11. a lower cover; 111. a fixing member; 112. a second through hole; 113. a positioning column; 12. an upper cover; 121. positioning a groove; 122. a fixing hole; 123. a clamping block; 124. an insertion block; 1241. a hanging end; 1242. a terminal; 1243. a first through hole; 125. a support sheet; 1251. an isolation trench; 1252. a second positioning hole; 126. a first positioning hole; 127. a third positioning hole; 128. fixing grooves; 129. a first limit piece; 13. a plug; 131. an elastic member; 1311. a card slot; 132. a second limiting member; 133. a plug-in sheet; 134. a limiting groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the present invention, the directional terms, such as "up", "down", "front", "back", "left", "right", "inner", "outer", "side", "top" and "bottom", refer to the orientation of the drawings, and the directional terms are used for illustration and understanding, but not for limiting the present invention.
The terms "first," "second," and the like in the terms of the present invention are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, nor should they be construed as limiting in any way.
Referring to fig. 1 to 8, fig. 1 is a perspective view of an embodiment of a plug-replaceable adapter of the present invention; fig. 2 is a rear view of the upper cover of an embodiment of the conversion head of the replaceable plug of the present invention; fig. 3 is a front view of the upper cover of an embodiment of the adapter of the present invention; fig. 4 is a structural diagram of an upper cover of an embodiment of a conversion head of the replaceable plug of the present invention; fig. 5 is a structural diagram of a lower cover of an embodiment of a conversion head of the replaceable plug of the present invention; fig. 6 is a structural diagram of a support sheet of an embodiment of a conversion head of the replaceable plug of the present invention; fig. 7 is a front view of a plug according to an embodiment of the present invention; fig. 8 is a rear view of a plug according to an embodiment of the present invention, showing a conversion head for a replaceable plug.
In the drawings, elements having similar structures are denoted by the same reference numerals.
Referring to fig. 1, 2 and 6, the present invention provides a plug-replaceable adaptor 10. The plug-replaceable conversion head 10 comprises a lower cover 11, an upper cover 12 and a plug 13, wherein the upper cover 12 is connected to the lower cover 11. The bottom end of the lower cover 11 is provided with a second through hole 112, and the second through hole 112 is used for providing an indicator light which can be used for indicating the working state of the conversion head 10 of the replaceable plug. The upper cover 12 includes a positioning groove 121, a plug block 124, and a support piece 125. The positioning groove 121 is a groove formed in the upper cover, and the positioning groove 121 can be used for vertically limiting the corresponding plug 13. The bottom end of the positioning groove 121 is provided with a fixing hole 122, one end of the positioning groove 121 is fixedly connected with a fixture block 123, and the fixture block 123 can be used for horizontally limiting the corresponding plug 13.
Referring to fig. 2 and 5, third positioning holes 127 are disposed at two ends of the inner side of the upper cover 12, and positioning posts 113 are disposed at two ends of the inner side of the lower cover 11. The third positioning hole 127 is disposed corresponding to the positioning column 113, and the third positioning hole 127 and the positioning column 113 can be used for positioning the upper cover 12 and the lower cover 11. The inconvenience of the user caused by the difficulty in limiting the positions of the upper cover 12 and the lower cover 11 when the upper cover 12 and the lower cover 11 are fixedly connected by the user is avoided. The edge of the lower end of the upper cover 12 is provided with a fixing groove 128, and the edge of the upper end of the lower cover 11 is provided with a fixing member 111. The fixing member 111 is fixedly connected to the fixing groove 128, and the fixing groove 128 and the fixing member 111 are disposed to enable the upper cover 12 to be more stably connected to the lower cover 11. During the use of the plug-replaceable conversion head 10, the upper cover 12 and the lower cover 11 are prevented from being connected unstably, and the upper cover 12 and the lower cover 11 are prevented from being loosened.
Referring to fig. 2 to 4, the insertion block 124 is inserted into the fixing hole 122, and the insertion block 124 and the upper cover 12 are integrally formed by injection molding. The plug 124 includes a hanging end 1241 and a terminal 1242, and the hanging end 1241 protrudes from the positioning slot 121. The terminal 1242 is disposed opposite to the overhang 1241, and the terminal 1242 is connected to the overhang 1241. The terminal 1242 is provided with a first through hole 1243, and the first through hole 1243 may be used for wiring. Since the terminal 1242 is provided with the first through hole 1243, the electric wire may be connected to the terminal 1242 through the first through hole 1243. The user does not need to wire by soldering, and therefore the conversion head 10 of the replaceable plug can be more conveniently wired.
Referring to fig. 3 and 6, the supporting piece 125 is disposed at the lower end of the positioning slot 121. The support piece 125 integrally formed with the support piece 125 inside the upper cover 12 may increase the strength of the upper cover 12. The support piece 125 is square, and an isolation groove 1251 is formed in the middle of the support piece 125. The support piece 125 has a simple structure, and the support piece 125 can ensure the strength of the upper cover 12. The middle of the support piece 125 is provided with an isolation groove 1251, so that metal pieces at both ends of the isolation groove 1251 have elasticity. Therefore, the support piece 125 has a certain elasticity with respect to the upper cover 12, which facilitates the connection between the upper cover 12 and the plug 13. Since the support piece 125 is integrally formed inside the upper cover 12, the insertion block 124 is integrally injection-molded with the upper cover 12. The overall structure of the conversion head 10 of the replaceable plug is simple, and the conversion head 10 of the replaceable plug is more convenient for users to use.
Referring to fig. 3 and 6, the supporting plate 125 is provided with a second positioning hole 1252. The upper cover 12 is provided with a first positioning hole 126, and the position of the first positioning hole 126 corresponds to the position of the second positioning hole 1252. The first positioning hole 126 and the second positioning hole 1252 can be used to define the mounting position of the supporting sheet 125, so as to avoid the supporting sheet 125 from being mounted on the upper cover 12 in a misplaced manner, and the supporting sheet 125 has a poor effect of increasing the strength of the upper cover 12.
On the basis of fig. 1, please refer to fig. 7 and 8, the plug 13 is slidably connected to the upper cover 12, and the plug 13 includes an elastic member 131 and a plug sheet 133. The elastic member 131 is located at one end of the plug 13, and the elastic member 131 can be used for horizontally limiting the corresponding plug 13. One end of the elastic element 131 is provided with a clamping groove 1311, and the clamping groove 1311 can be used for matching with a corresponding clamping block 123 to horizontally limit the plug 13. The inserting sheet 133 is fixedly connected to the plug 13, and a limiting groove 134 is formed at the lower end of the plug 13. The position of the limiting groove 134 corresponds to the position of the overhanging end 1331 of the plug block 124, and the limiting groove 134 can be used for accommodating the overhanging end 1241 of the plug block 124. The position of the overhanging end 1241 of the plug block 133 can be limited by the limiting groove 134, so as to prevent the overhanging end 1241 of the plug block 124 from being easily deformed by external force.
Referring to fig. 1 and 8, a second limiting member 132 is disposed on two sides of the plug 13, and the second limiting member 132 is fixedly connected to the plug 13. The two ends of the positioning slot 121 are provided with a first limiting member 129, the first limiting member 129 is fixedly connected with the upper cover 12, and the first limiting member 129 and the second limiting member 132 can be used for guiding the plug 13, so that the plug 13 is conveniently connected with the upper cover 12 in a sliding manner. The first retaining member 129 and the second retaining member 132 can be used to retain the position of the plug 13, so that the plug 13 is more stable after being connected with the upper cover 12. The plug 13 is prevented from being easily loosened on the upper cover 12 because of the gap between the plug 13 and the upper cover 12 after connection.
The utility model discloses a theory of operation does: when the user uses the present exchangeable plug adapter 10, the user slides the plug 13 on the positioning groove 121, and the plug 13 is connected to the upper cover 12. Then, the user brings the hanging end 1241 of the plug block 124 into contact with the plug sheet 133 of the plug 13, and the positioning groove 121 defines the position of the plug 13 in the vertical direction. The user connects the latch 123 with the slot 1311 at one end of the elastic member 131, and the latch 123 cooperates with the slot 1311 to limit the horizontal position of the plug 13. The electric wire is connected to the terminal 1241 of the plug block 124 through the first through hole 1243 of the terminal 1242, and the support piece 125 is integrally formed inside the upper cover 12 in order to increase the strength of the upper cover 12. In order to define the installation position of the support piece 125, a first positioning hole 126 is provided on the upper cover 12, a second positioning hole 1252 is provided on the support piece 125, and the position of the first positioning hole 126 corresponds to the position of the second positioning hole 1252. After the user connects the plug 13 with the upper cover 12, the user can connect the adapter 10 with the replaceable plug with the socket. Because the upper cover 12 and the lower cover 11 need to be positioned and then fixedly connected, the inner two ends of the side edge of the upper cover 12 are provided with third positioning holes 127, the inner two ends of the side edge of the lower cover 11 are provided with positioning posts 113, and the third positioning holes 127 are arranged corresponding to the positioning posts 113. In order to connect the lower cover 11 and the upper cover 12 more stably, the upper cover 12 and the lower cover 11 are fixedly connected to the fixing groove 128 by the fixing member 111. The user then completes use of the conversion head 10 of the replaceable plug.
When the user needs to replace the plug 13 of the present invention, the user presses the elastic member 131 downward. The user slides the plug 13 out of the positioning groove 121. At this time, a gap is provided between the overhanging end 1241 of the plug block 124 and the plug sheet 133, and a gap is provided between the latch 123 and the slot 1311. In order to prevent the hanging end 1241 of the plug block 124 from being easily deformed by an external force, the lower end of the plug 13 is provided with a limiting groove 134, and the limiting groove 134 defines the position of the hanging end 1241 of the plug block 124. The user then attaches a new plug to the cover. The user slides a new plug on the upper cover 12 until the latch 123 snaps into engagement with the card slot 1311. The positioning groove 121 completes the position limitation of the new plug in the vertical direction, so that the user completes the replacement of the plug 13 of the present invention.
The utility model discloses compare in prior art, its beneficial effect is: the utility model discloses the conversion head 10 of replaceable plug is provided with constant head tank 121 and plug 13, and plug 13 accessible constant head tank 121 sliding connection is in upper cover 12. When the plug 13 is in the use state, the hanging end 1241 of the plug block 124 contacts the plug sheet 133, and the positioning slot 121 defines the position of the plug 13 in the vertical direction. The latch 123 is connected with the latch 1311 at one end of the elastic member 131 in a snap-fit manner, and the latch 123 and the latch 1311 cooperate to limit the horizontal position of the plug 13. When the plug 13 is in a detached state, a gap is provided between the overhanging end 1241 of the plug-in block 124 and the plug sheet 133, and a gap is provided between the latch 123 and the card slot 1311. The plug 13 can be replaced by the plug-replaceable conversion head 10 in a sliding mode, and the technical problem that the existing plug is inconvenient to use due to the fact that the existing plug cannot be replaced is effectively solved.
Furthermore, the conversion head 10 of the replaceable plug further comprises a support plate 125. The insert block 124 is integrally formed on the upper cover 12, and the support piece 125 is integrally formed inside the upper cover 12, so that the support piece 125 can increase the strength of the upper cover 12. Therefore, the structure of the conversion head 10 of the replaceable plug is simple. The plug block 124 further includes a terminal 1242, and a first through hole 1243 is disposed on the terminal 1242, and the first through hole 1243 may be used for wiring. The user can connect the wires more easily through the first through hole 1243, so the overall structure of the adapter 10 of the replaceable plug is simpler, and the adapter 10 of the replaceable plug is more convenient for the user to use.
In summary, although the present invention has been described with reference to the preferred embodiments, the above-described preferred embodiments are not intended to limit the present invention, and those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, so that the scope of the present invention shall be determined by the scope of the appended claims.
Claims (10)
1. A switching head for a replaceable plug, comprising:
a lower cover;
an upper cover connected to the lower cover, including:
the positioning groove is a groove arranged on the upper cover and used for carrying out vertical limiting operation on a corresponding plug, the bottom end of the positioning groove is provided with a fixing hole, one end of the positioning groove is fixedly connected with a clamping block, and the clamping block is used for carrying out horizontal limiting operation on the corresponding plug;
the inserting block is arranged in the fixing hole in a penetrating mode, is integrally formed with the upper cover in an injection molding mode and comprises a hanging end, and the hanging end protrudes out of the positioning groove;
the plug, sliding connection in upper cover, it includes:
the elastic piece is positioned at one end of the plug and used for horizontally limiting the corresponding plug, and a clamping groove is formed in one end of the elastic piece and used for matching with the corresponding clamping block to horizontally limit the plug; and the number of the first and second groups,
the plug sheet is fixedly connected to the plug;
when the plug is in a use state, the hanging end is in contact with the insertion sheet, the positioning groove limits the position of the plug in the vertical direction, the clamping block is in buckled connection with the clamping groove, the clamping block and the clamping groove are matched to limit the position of the plug in the horizontal direction, when the plug is in a disassembly state, a gap is formed between the hanging end and the insertion sheet, and a gap is formed between the clamping block and the clamping groove.
2. A conversion head as claimed in claim 1, wherein a support piece is provided at a lower end of the positioning slot, the support piece being integrally formed inside the upper cover.
3. A conversion head according to claim 1, wherein said plug-in block further comprises a terminal disposed opposite said overhanging end, said terminal being connected to said overhanging end, said terminal being provided with a first through hole for wiring.
4. A conversion head as claimed in claim 2, wherein said support plate is square in shape and a spacer groove is provided in the middle of said support plate.
5. A conversion head as claimed in claim 2, wherein said upper cover is provided with a first positioning hole, said support plate is provided with a second positioning hole, and the position of said first positioning hole corresponds to the position of said second positioning hole.
6. A conversion head as claimed in claim 1, wherein a first limiting member is disposed at each end of the positioning slot, the first limiting member is fixedly connected to the upper cover, and a second limiting member is disposed at each side of the plug, and the second limiting member is fixedly connected to the plug.
7. A conversion head according to claim 1, wherein the lower end of the plug is provided with a retaining groove, the position of the retaining groove corresponding to the position of the overhanging end.
8. A conversion head of replaceable plug according to claim 1, wherein the inner two ends of the side of the upper cover are provided with third positioning holes, the inner two ends of the side of the lower cover are provided with positioning posts, and the third positioning holes are arranged corresponding to the positioning posts.
9. A conversion head as claimed in claim 1, wherein the lower end of the upper cover is provided with a fixing groove, and the upper end of the lower cover is provided with a fixing member, and the fixing member is fixedly connected to the fixing groove.
10. A conversion head according to claim 1, wherein the bottom end of said lower cover is provided with a second through hole for providing an indicator light.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120821799.6U CN214706534U (en) | 2021-04-21 | 2021-04-21 | Adapter with replaceable plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120821799.6U CN214706534U (en) | 2021-04-21 | 2021-04-21 | Adapter with replaceable plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214706534U true CN214706534U (en) | 2021-11-12 |
Family
ID=78532723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120821799.6U Expired - Fee Related CN214706534U (en) | 2021-04-21 | 2021-04-21 | Adapter with replaceable plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214706534U (en) |
-
2021
- 2021-04-21 CN CN202120821799.6U patent/CN214706534U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211112 |
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| CF01 | Termination of patent right due to non-payment of annual fee |