CN219874087U - Fool-proof connector - Google Patents
Fool-proof connector Download PDFInfo
- Publication number
- CN219874087U CN219874087U CN202321317075.3U CN202321317075U CN219874087U CN 219874087 U CN219874087 U CN 219874087U CN 202321317075 U CN202321317075 U CN 202321317075U CN 219874087 U CN219874087 U CN 219874087U
- Authority
- CN
- China
- Prior art keywords
- fool
- proof
- terminal
- binding post
- connector
- 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
Links
- 238000009434 installation Methods 0.000 claims description 24
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000011161 development Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 239000004594 Masterbatch (MB) Substances 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model provides a fool-proof connector, which comprises a left fixed support, fool-proof connecting parts, screws, nuts and a right fixed support, wherein a plurality of fool-proof connecting parts which are arranged and combined differently are arranged between the left fixed support and the right fixed support, one end of each screw penetrates through the left fixed support and the fool-proof connecting parts to be connected with the right fixed support, and is locked on the right fixed support through the nuts, and the fool-proof connector has the beneficial effects that: the fool-proof connector has the advantages of stable and reliable performance, reliable connection, simple structure and convenient assembly.
Description
Technical Field
The utility model relates to the technical field of connectors, in particular to a foolproof connector.
Background
The requirements on video transmission quality are more and more severe nowadays, because the quality of video transmission is directly related to the use of electronic products, plugs used in video transmission are gradually strengthened, the assembly efficiency is also continuously improved, a connector is a device for connecting two active devices and is used for transmitting current or signals, the main matching fields of an electric connector are traffic, communication, networks, IT, medical treatment, household appliances and the like, the rapid development of the product technology level in the matching fields and the rapid growth of the market thereof strongly pull the development of the connector technology, so far, the connector has been developed into serial and specialized products with complete product types, rich product grid specifications, various structural forms, subdivided professional directions, obvious industrial characteristics and standard system specifications, the connector comprises a female connector and a male connector, a guiding structure is also arranged at a plug-in end, the consumer is easy to misplug in assembly, the whole electronic product can be damaged due to overlarge force, and immeasurable loss is brought to the consumer.
A connector is a device that connects two active devices and is used to transmit current or signals. The main mating fields of the electric connector include traffic, communication, network, IT, medical treatment, household appliances and the like, and the rapid development of the product technology level and the rapid growth of the market thereof in the mating fields strongly pull the development of the connector technology. Up to now, connectors have been developed into a series and specialization of products with complete product types, rich variety specifications, various structural types, subdivision in specialized directions, obvious industrial features, and standard system specifications. The connector comprises a male end assembly and a female end assembly, wherein the male end assembly comprises a male rubber shell and a male terminal arranged in the male rubber shell, the female end assembly comprises a female rubber shell and a female terminal arranged in the female rubber shell and matched with the male terminal, however, the structural design of the conventional connector is unreasonable, when the male end assembly is plugged with the female end assembly, the male end assembly and the female end assembly are easy to plug reversely, and the connector has the defects of complex structure, unreliable performance, unreliable connection and inconvenient assembly.
Chinese patent CN215008761U discloses a fool-proof connector, including public gum shell, set up public terminal in public gum shell, with public gum shell matched with masterbatch shell, set up in masterbatch shell and with public terminal matched with female terminal, its characterized in that: the male terminal comprises a male terminal body, wherein one end of the male terminal body is provided with two inserting sheet parts matched with a circuit board, the other end of the male terminal body is provided with inserting connection parts matched with a female terminal body, one side of the female rubber shell is provided with two guide convex blocks, the male rubber shell is internally provided with two guide grooves matched with the two guide convex blocks, the other side of the female rubber shell is provided with a guide block, the male rubber shell is internally provided with a limit guide groove matched with the guide block, the guide block is clamped in the limit guide groove, the guide convex blocks are clamped in the guide groove, the limit fit of the male rubber shell and the female rubber shell is formed, the problem that the two sides of the female rubber shell are respectively provided with the guide convex blocks and the guide blocks matched with the male rubber shell is solved, the guide convex blocks and the guide blocks can play the role of preventing reverse insertion of the male rubber shell and the female rubber shell, and the male rubber shell can be ensured to be reliably connected with the female rubber shell. Therefore, the connector has the advantages of simple structure, stable and reliable performance, reliable connection and convenient assembly.
Disclosure of Invention
The utility model aims to solve the technical problems and provide the novel foolproof connector which has the advantages of stable and reliable performance, reliable connection, simple structure and convenient assembly, and a foolproof connecting component is locked between the left side fixing support and the right side fixing support through screws.
The utility model is realized by the following technical scheme:
the fool-proof connector comprises a left side fixing support, fool-proof connecting components, screws, nuts and a right side fixing support, wherein a plurality of fool-proof connecting components which are arranged and combined differently are arranged between the left side fixing support and the right side fixing support, one end of each screw penetrates through the left side fixing support and the fool-proof connecting components to be connected with the right side fixing support, and the screws are locked on the right side fixing support through the nuts.
Further, prevent slow-witted connecting component including preventing slow-witted concatenation base, prevent slow-witted connecting plate, prevent slow-witted terminal device, prevent slow-witted fixed part, prevent slow-witted side shield, be equipped with first prevent slow-witted terminal installation position, second prevent slow-witted terminal installation position on the slow-witted concatenation base respectively, be equipped with prevent slow-witted connecting plate on first prevent slow-witted terminal installation position, the second prevent slow-witted terminal installation position, be equipped with the connecting plate round hole on preventing slow-witted connecting plate, prevent slow-witted terminal device that is equipped with a plurality of different range combinations on the slow-witted connecting plate, prevent slow-witted fixed part pass prevent slow-witted terminal device locking in prevent slow-witted terminal installation position, the second prevent slow-witted terminal installation position on the slow-witted concatenation base both sides are equipped with prevent slow-witted side shield.
Further, the fool-proof fixing component comprises a fool-proof locking screw and a fool-proof locking nut, wherein the fool-proof locking screw penetrates through a connecting plate round hole on the fool-proof connecting plate to be connected with the fool-proof terminal device, and the fool-proof terminal device is respectively locked in a first fool-proof terminal installation position and a second fool-proof terminal installation position on the fool-proof splicing base through the fool-proof locking nut.
Further, the fool-proof terminal device comprises a first fool-proof terminal, a second fool-proof terminal, a fool-proof positioning block and a fool-proof fixing block, wherein the first fool-proof terminal is installed in a first fool-proof terminal installation position on the fool-proof spliced base, the second fool-proof terminal is installed in a second fool-proof terminal installation position on the fool-proof spliced base, the first fool-proof terminal is connected with the second fool-proof terminal through the fool-proof positioning block, and the fool-proof fixing block is used for seamlessly butt-jointing and buckling the first fool-proof terminal, the second fool-proof terminal and the fool-proof positioning block on the fool-proof connecting plate.
Further, the bottom of the fool-proof fixed block is provided with a plurality of fool-proof fixed block clamping grooves with different size intervals.
Further, the first fool-proof terminal comprises a first binding post and a first binding post, one end of the first binding post is provided with the first binding post, and the other end of the first binding post is provided with a plurality of first binding post clamping grooves with different size intervals; the second fool-proof terminal comprises a second binding post and a second binding post, wherein one end of the second binding post is provided with the second binding post, and the other end of the second binding post is provided with a plurality of second binding post clamping grooves with different size intervals.
Further, the second terminal clamping groove at the other end of the second terminal is connected with the first terminal clamping groove at the other end of the first terminal through the fool-proof positioning block, the second terminal clamping groove at the other end of the second terminal, the fool-proof positioning block and the first terminal clamping groove at the other end of the first terminal are fixed on the fool-proof connecting plate through the fool-proof fixing block, and fool-proof terminals in different arrangements are combined.
Further, the middle part of the fool-proof spliced base is provided with a round hole, two sides of the bottom of the fool-proof spliced base are provided with through holes, and the upper part and the middle part of the fool-proof side baffle are provided with through holes.
Further, the left side fixed bolster with right side fixed bolster upper portion and middle part are equipped with the through-hole, left side fixed bolster with right side fixed bolster shape is the L type.
Further, the middle part of the fool-proof positioning block is provided with a through hole, one end of a screw penetrates through the through holes on the upper part and the middle part of the left side fixing support, the upper part and the middle part of the fool-proof side baffle are provided with the through holes on the middle part of the fool-proof positioning block, and the round hole in the middle part of the fool-proof splicing base is connected with the through holes on the upper part and the lower part of the right side fixing support and is locked on the right side fixing support through a nut, so that fool-proof connecting connectors in different arrangements and combinations are combined.
The utility model has the beneficial effects that:
(1) The fool-proof connector has the advantages of stable and reliable performance, reliable connection, simple structure and convenient assembly;
(2) The fool-proof connecting component is provided with the first fool-proof terminal and the second fool-proof terminal, so that the wiring is convenient and the assembly is convenient;
(3) The fool-proof connecting component is also provided with a fool-proof fixing block, the fool-proof fixing block is used for seamlessly butt-jointing and buckling the first fool-proof terminal and the second fool-proof terminal together, and fool-proof terminals in different arrangements are combined, so that the problem of reliable connection and stable performance are solved.
Drawings
FIG. 1 is a schematic diagram of a fool-proof connector of 8 different arrangements and combinations according to the present utility model;
FIG. 2 is a schematic top view of the fool-proof connector of the present utility model with 8 different arrangements;
FIG. 3 is a schematic diagram of an explosion-proof structure of 8 groups of fool-proof connectors according to the present utility model;
FIG. 4 is a schematic view of the fool-proof connecting part structure of the present utility model;
FIG. 5 is a schematic view of the explosion-proof structure of the fool-proof connecting part of the present utility model;
reference numerals: 1. a left side fixing bracket; 2. a fool-proof connecting part; 21. fool-proof spliced base; 210. a first fool-proof terminal mounting location; 211. a second fool-proof terminal mounting position; 212. a round hole; 213. a through hole; 22. fool-proof connecting plates; 220. a round hole of the connecting plate; 23. fool-proof terminal device; 230. a first foolproof terminal; 2301. a first terminal; 2302. a first terminal; 2303. the first terminal clamping groove; 231. a second fool-proof terminal; 2310. a second binding post; 2311. a second terminal; 2312. the second terminal clamping groove; 232. fool-proof positioning blocks; 233. fool-proof fixed blocks; 2330. a fool-proof fixed block clamping groove; 24. a foolproof fixing member; 240. foolproof locking screw; 241. a foolproof locking nut; 25. fool-proof side baffle; 3. a screw; 4. a nut; 5. and a right side fixing bracket.
Detailed Description
The utility model is further described with reference to the accompanying drawings and detailed description below:
unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs; the terminology used in the description of the applications herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model; the terms "comprising" and "having" and any variations thereof in the description of the utility model and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a sequential or chronological order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the utility model. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.
Referring to fig. 1-3, the embodiment is shown, a fool-proof connector comprises a left side fixing support 1, a fool-proof connecting component 2, a screw 3, a nut 4 and a right side fixing support 5, wherein a plurality of fool-proof connecting components 2 which are arranged and combined in different ways are arranged between the left side fixing support 1 and the right side fixing support 5, one end of the screw 3 penetrates through the left side fixing support 1 and the fool-proof connecting component 2 to be connected with the right side fixing support 5, and is locked on the right side fixing support 5 through the nut 4.
Referring to fig. 4-5, the fool-proof connecting component 2 includes a fool-proof splicing base 21, a fool-proof connecting board 22, a fool-proof terminal device 23, a fool-proof fixing component 24, and a fool-proof side baffle 25, a first fool-proof terminal mounting position 210 and a second fool-proof terminal mounting position 211 are respectively provided on the fool-proof splicing base 21, fool-proof connecting boards 22 are provided on the first fool-proof terminal mounting position 210 and the second fool-proof terminal mounting position 211, a connecting board round hole 220 is provided on the fool-proof connecting board 22, a plurality of fool-proof terminal devices 23 in different arrangements are provided on the fool-proof connecting board 22, the fool-proof fixing component 24 passes through the connecting board round hole 220 on the fool-proof connecting board 22 to lock the fool-proof terminal device 23 in the first fool-proof terminal mounting position 210 and the second fool-proof terminal mounting position 211 on the fool-proof splicing base 21, and fool-proof side baffles 25 are provided on two sides of the fool-proof splicing base 21.
Preferably, the fool-proof fixing part 24 includes a fool-proof locking screw 240 and a fool-proof locking nut 241, the fool-proof locking screw 240 passes through a connecting plate round hole 220 on the fool-proof connecting plate 22 to be connected with the fool-proof terminal device 23, and the fool-proof terminal device 23 is respectively locked in the first fool-proof terminal installation position 210 and the second fool-proof terminal installation position 211 on the fool-proof splicing base 21 through the fool-proof locking nut 241.
Preferably, the fool-proof terminal device 23 includes a first fool-proof terminal 230, a second fool-proof terminal 231, a fool-proof positioning block 232, and a fool-proof fixing block 233, where the first fool-proof terminal 230 is installed in the first fool-proof terminal installation position 210 on the fool-proof splice base 21, the second fool-proof terminal 231 is installed in the second fool-proof terminal installation position 211 on the fool-proof splice base 21, and the first fool-proof terminal 230 is connected with the second fool-proof terminal 231 through a fool-proof positioning block 232, and the fool-proof fixing block 233 seamlessly connects and buckles the first fool-proof terminal 230, the second fool-proof terminal 231, and the fool-proof positioning block 232 on the fool-proof connecting plate 22.
Preferably, the bottom of the fool-proof fixing block 233 is provided with a plurality of fool-proof fixing block clamping grooves 2330 with different size intervals.
Preferably, the first fool-proof terminal 230 includes a first terminal 2301 and a first terminal 2302, one end of the first terminal 2302 is provided with the first terminal 2301, and the other end of the first terminal 2302 is provided with a plurality of first terminal clamping grooves 2303 with different size intervals; the second fool-proof terminal 231 includes a second terminal 2310 and a second terminal 2311, wherein one end of the second terminal 2311 is provided with the second terminal 2310, and the other end of the second terminal 2311 is provided with a plurality of second terminal clamping grooves 2312 with different size intervals.
Preferably, the second terminal clamping groove 2312 at the other end of the second terminal 2311 is connected with the first terminal clamping groove 2303 at the other end of the first terminal 2302 through the fool-proof positioning block 232, and the second terminal clamping groove 2312 at the other end of the second terminal 2311 and the fool-proof positioning block 232 and the first terminal clamping groove 2303 at the other end of the first terminal 2302 are fixed on the fool-proof connecting plate 22 through the fool-proof fixing block 233, and fool-proof terminals of different arrangements are combined.
Preferably, a round hole 212 is formed in the middle of the fool-proof spliced base 21, through holes 213 are formed in two sides of the bottom of the fool-proof spliced base 21, and through holes are formed in the upper portion and the middle of the fool-proof side baffle 25.
Preferably, through holes are formed in the upper portion and the middle portion of the left side fixing support 1 and the right side fixing support 5, and the left side fixing support 1 and the right side fixing support 5 are L-shaped.
Preferably, the middle part of the fool-proof positioning block 233 is provided with a through hole, one end of the screw 3 passes through the through holes on the upper part and the middle part of the left side fixing support 1 and the upper part and the middle part of the fool-proof side baffle 25, the through holes on the middle part of the fool-proof positioning block 233 and the round hole 212 on the middle part of the fool-proof splicing base 21 are connected with the through holes on the upper part and the lower part of the right side fixing support 5, and are locked on the right side fixing support 5 through the nut 4, so that fool-proof connectors in different arrangements and combinations are combined.
In summary, according to the fool-proof connector, the fool-proof connecting component 2 is locked between the left side fixing support 1 and the right side fixing support 5 through the screw 3, so that the fool-proof connector has the advantages of stable and reliable performance, reliable connection, simple structure and convenience in assembly.
Modifications and variations of the above embodiments will be apparent to those skilled in the art in light of the above teachings. Therefore, the utility model is not limited to the specific embodiments disclosed and described above, but some modifications and changes of the utility model should be also included in the scope of the claims of the utility model. In addition, although specific terms are used in the present specification, these terms are for convenience of description only and do not limit the present utility model in any way.
Claims (10)
1. A foolproof connector, characterized in that: the novel anti-fool connecting device comprises a left fixing support, a fool-proof connecting part, screws, nuts and a right fixing support, wherein a plurality of fool-proof connecting parts which are arranged and combined in different manners are arranged between the left fixing support and the right fixing support, one end of each screw penetrates through the left fixing support and the fool-proof connecting part to be connected with the right fixing support, and the screws are locked on the right fixing support through the nuts.
2. The fool-proof connector of claim 1, wherein: the fool-proof connecting component comprises a fool-proof splicing base, a fool-proof connecting plate, a fool-proof terminal device, a fool-proof fixing component and a fool-proof side baffle, wherein a first fool-proof terminal installation position and a second fool-proof terminal installation position are respectively arranged on the fool-proof splicing base, the fool-proof connecting plate is arranged on the first fool-proof terminal installation position and the second fool-proof terminal installation position, a connecting plate round hole is formed in the fool-proof connecting plate, a plurality of fool-proof terminal devices which are arranged and combined in different manners are arranged on the fool-proof connecting plate, and the fool-proof fixing component penetrates through the connecting plate round hole on the fool-proof connecting plate to lock the fool-proof terminal device in the first fool-proof terminal installation position and the second fool-proof terminal installation position on the fool-proof splicing base, and fool-proof side baffles are arranged on two sides of the fool-proof splicing base.
3. The fool-proof connector of claim 2, wherein: the fool-proof fixing component comprises a fool-proof locking screw and a fool-proof locking nut, wherein the fool-proof locking screw penetrates through a connecting plate round hole on the fool-proof connecting plate to be connected with the fool-proof terminal device, and the fool-proof terminal device is respectively locked in a first fool-proof terminal installation position and a second fool-proof terminal installation position on the fool-proof splicing base through the fool-proof locking nut.
4. The fool-proof connector of claim 2, wherein: the fool-proof terminal device comprises a first fool-proof terminal, a second fool-proof terminal, a fool-proof positioning block and a fool-proof fixing block, wherein the first fool-proof terminal is installed in a first fool-proof terminal installation position on a fool-proof spliced base, the second fool-proof terminal is installed in a second fool-proof terminal installation position on the fool-proof spliced base, the first fool-proof terminal is connected with the second fool-proof terminal through the fool-proof positioning block, and the fool-proof fixing block is used for seamlessly butt-jointing and buckling the first fool-proof terminal, the second fool-proof terminal and the fool-proof positioning block on the fool-proof connecting plate.
5. The fool-proof connector of claim 4, wherein: the bottom of the fool-proof fixed block is provided with a plurality of fool-proof fixed block clamping grooves with different size intervals.
6. The fool-proof connector of claim 4, wherein: the first fool-proof terminal comprises a first binding post and a first binding post, wherein one end of the first binding post is provided with the first binding post, and the other end of the first binding post is provided with a plurality of first binding post clamping grooves with different size intervals; the second fool-proof terminal comprises a second binding post and a second binding post, wherein one end of the second binding post is provided with the second binding post, and the other end of the second binding post is provided with a plurality of second binding post clamping grooves with different size intervals.
7. The fool-proof connector of claim 6, wherein: the second wiring end clamping groove at the other end of the second wiring end is connected with the first wiring end clamping groove at the other end of the first wiring end through the fool-proof positioning block, the second wiring end clamping groove at the other end of the second wiring end, the fool-proof positioning block and the first wiring end clamping groove at the other end of the first wiring end are fixed on the fool-proof connecting plate through the fool-proof fixing block, and fool-proof terminals in different arrangements are combined.
8. The fool-proof connector of claim 2, wherein: the fool-proof splice base is characterized in that a round hole is formed in the middle of the fool-proof splice base, through holes are formed in two sides of the bottom of the fool-proof splice base, and through holes are formed in the upper portion and the middle of the fool-proof side baffle.
9. The fool-proof connector of claim 1, wherein: the left side fixed bolster with right side fixed bolster upper portion and middle part are equipped with the through-hole, left side fixed bolster with right side fixed bolster shape is the L type.
10. The fool-proof connector of claim 4, wherein: the middle part of the fool-proof positioning block is provided with a through hole, one end of a screw penetrates through the through holes on the upper part and the middle part of the left side fixing support, the upper part and the middle part of the fool-proof side baffle are provided with the through holes on the middle part of the fool-proof positioning block, and the round hole in the middle part of the fool-proof spliced base is connected with the through holes on the upper part and the lower part of the right side fixing support and is locked on the right side fixing support through a nut, so that fool-proof connection connectors in different arrangements and combinations are combined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321317075.3U CN219874087U (en) | 2023-05-29 | 2023-05-29 | Fool-proof connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321317075.3U CN219874087U (en) | 2023-05-29 | 2023-05-29 | Fool-proof connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219874087U true CN219874087U (en) | 2023-10-20 |
Family
ID=88372040
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321317075.3U Active CN219874087U (en) | 2023-05-29 | 2023-05-29 | Fool-proof connector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219874087U (en) |
-
2023
- 2023-05-29 CN CN202321317075.3U patent/CN219874087U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201018086Y (en) | Electrical connector | |
| CN110783776B (en) | High-speed signal transmission connector | |
| CN219874087U (en) | Fool-proof connector | |
| CN219018019U (en) | Threaded end socket connector | |
| CN220272893U (en) | 16-bit fool-proof connector | |
| CN212011459U (en) | Pairing accurate fool-proof photovoltaic connector | |
| US20020004323A1 (en) | Right-angle type electrical connector | |
| CN219458229U (en) | High-reliability connector | |
| CN215579326U (en) | Snap-on wire-to-board connector | |
| CN216903580U (en) | High-voltage-resistant connector with circuit board direct-insertion positioning structure | |
| CN217544939U (en) | Puncture type quick connector | |
| CN219554056U (en) | Riveted wire socket connector | |
| CN211980991U (en) | Power socket | |
| CN217983806U (en) | Riveting-free double-end female socket connector with reversely buckled elastic sheets | |
| CN219246979U (en) | Conductive contact structure of connector | |
| CN219350813U (en) | Plug-in type connector | |
| CN212114163U (en) | Floating plate is to public seat of board | |
| CN221201682U (en) | Waterproof signal connector | |
| CN217114874U (en) | LATCH structure of SMC male connector | |
| CN214589490U (en) | Connector assembly | |
| CN219833095U (en) | PCB board is to wire rod connector | |
| CN218242299U (en) | Floating power and signal combined connector | |
| CN220233639U (en) | Power connector | |
| CN220475035U (en) | Female end structure of connector | |
| CN217589617U (en) | A shell device that is used for HQV needle public female core |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |