CN220233550U - Widened vertical Type-c connector with bending Type shell pins - Google Patents
Widened vertical Type-c connector with bending Type shell pins Download PDFInfo
- Publication number
- CN220233550U CN220233550U CN202321889676.1U CN202321889676U CN220233550U CN 220233550 U CN220233550 U CN 220233550U CN 202321889676 U CN202321889676 U CN 202321889676U CN 220233550 U CN220233550 U CN 220233550U
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- widened
- clamping piece
- connector
- terminal group
- middle clamping
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- 238000005452 bending Methods 0.000 title claims description 30
- 239000002184 metal Substances 0.000 claims abstract description 38
- 238000009413 insulation Methods 0.000 claims description 20
- 238000003466 welding Methods 0.000 claims description 14
- 239000003292 glue Substances 0.000 claims description 12
- 238000002347 injection Methods 0.000 claims description 9
- 239000007924 injection Substances 0.000 claims description 9
- 230000007704 transition Effects 0.000 claims description 9
- 210000001503 joint Anatomy 0.000 claims description 4
- 239000012212 insulator Substances 0.000 claims 10
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000009434 installation Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model discloses a widened vertical Type-c connector with bent shell pins, which comprises a metal shell, an insulating body, a first terminal group and a second terminal group, wherein widened bases are respectively formed on the left side and the right side of the insulating body, the front side and the rear side of the bottom of each widened base are respectively protruded out of the insulating body along the width direction of the insulating body, so that the cross section of the widened base is in an inverted T shape, two bent pins positioned on the left side and the right side are respectively arranged on the front side and the rear side of the bottom of the metal shell, each widened base is respectively positioned between the two bent pins positioned on the same side, and the bent pins are respectively abutted against the outer walls of the corresponding widened bases. The widened base can enable the connector and the circuit board to be mounted more stably, the bent pins respectively lean against the outer walls of the corresponding widened base, the pins can be effectively guided, deformation of the pins is prevented, the connector and the circuit board are mounted conveniently, and the product quality and the production efficiency are improved.
Description
Technical Field
The utility model relates to the technical field of electric connectors, in particular to a widened vertical Type-c connector with a bent shell pin.
Background
The Type-c connector is an electrical signal transmission interface capable of being blindly inserted, the front and back sides of the connection structure with the interface do not need to be distinguished, and the front and back sides can be inserted, so that the Type-c connector can conduct electrical signal transmission between external equipment and internal equipment (such as mobile phones and computers) through the Type-c interface.
At present, the vertical Type-c connector on the market can be generally provided with components such as a metal shell, an insulating body and a terminal group, wherein the terminal group is embedded in the insulating body, the metal shell is covered outside the insulating body, and the bottom of the insulating body can be provided with a positioning column for positioning and mounting with a circuit board. As shown in fig. 1, in order to enhance the connection strength between the connector and the circuit board, the bottom of the metal shell 100 may be provided with the shell pins 101, but the shell pins 101 are easily deformed during the production plating or use, and only after manual alignment, the shell pins 101 are aligned to be inserted into the insertion holes of the circuit board, which is disadvantageous for the installation between the shell pins 101 and the circuit board, and the stability of the insulation body of the conventional vertical Type-c connector installed on the circuit board is still to be enhanced.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a widened vertical Type-c connector with a bent shell pin.
In order to achieve the above-mentioned object, the present utility model provides a widened Type-c connector with pins of a bent Type housing, which comprises a metal housing, an insulating body, a first terminal group and a second terminal group, wherein the first terminal group and the second terminal group are embedded in the insulating body, the butt joint parts of the first terminal group and the second terminal group extend out from the surfaces of the tongue plate parts of the insulating body, the welding pin parts of the first terminal group and the second terminal group are bent and extended out from the bottom of the insulating body, the metal housing is covered outside the insulating body, the left side and the right side of the insulating body are respectively formed with a widened base, the front side and the rear side of the bottom of each widened base are respectively protruded out of the insulating body along the width direction of the insulating body, so that the cross section shape of the widened base is in an inverted T shape, the front side and the rear side of the bottom of the metal housing are respectively provided with two bent pins positioned at the left side and the right side, each widened base is respectively positioned between the two bent pins positioned at the same side, and each bent pin is respectively abutted against the outer wall of the corresponding widened base.
Preferably, each bending pin comprises a pin connecting section, a pin bending transition section and a longitudinal pin section which are sequentially connected, one end of the pin connecting section is connected with the bottom of the metal shell, the other end of the pin connecting section extends outwards along the length direction of the metal shell, the pin bending transition section extends outwards in an inclined manner along the width direction of the metal shell, the longitudinal pin section extends downwards vertically, and the pin connecting section, the pin bending transition section and the longitudinal pin section are all propped against the outer wall of the corresponding widened base.
Preferably, the middle parts of the front side and the rear side of the bottom of the metal shell are respectively provided with a shell buckle piece, each shell buckle piece is respectively connected between two bending pins which are positioned on the same side of the metal shell, each shell buckle piece is respectively provided with a buckle hole, the front side and the rear side of the lower end part of the insulating body are respectively provided with a buckle, and the buckles can be clamped into the corresponding buckle holes, so that the metal shell and the insulating body are clamped and fixed.
Preferably, two limiting convex bodies close to the widened base are respectively arranged on the front side and the rear side of the lower end of the insulating body, and each shell buckle piece is respectively inserted between the two limiting convex bodies on the same side.
Preferably, the bottom of each widened base protrudes downwards from the bottom surface of the insulating body, the tail ends of the welding leg parts of the first terminal group protrude from the front side of the bottom of the insulating body, and the tail ends of the welding leg parts of the second terminal group protrude from the rear side of the bottom of the insulating body.
Preferably, the bottom of each widened base is provided with a positioning column respectively.
Preferably, the insulating body comprises a first insulating seat, a second insulating seat and a tongue plate insulating seat, wherein the first insulating seat is injection molded outside the first terminal group, the second insulating seat is injection molded outside the second terminal group, the first insulating seat and the second insulating seat are assembled and overlapped together, the tongue plate insulating seat is injection molded at the front ends of the first insulating seat and the second insulating seat, and the two widened bases are respectively molded at the side edges of the first insulating seat and the second insulating seat.
Preferably, the first insulating base and the second insulating base are arranged in a mutually symmetrical structure.
Preferably, the insulating body is internally provided with a middle clamping piece positioned between the first terminal group and the second terminal group, the middle clamping piece comprises a middle clamping piece side arm part, a middle clamping piece middle connecting part and a middle clamping piece clamping hook part, the middle clamping piece middle connecting part is connected between the two middle clamping piece side arm parts, and the middle clamping piece clamping hook part is respectively connected to the outer sides of the head ends of the two middle clamping piece side arm parts and extends out of the side surface of the tongue plate part of the insulating body.
Preferably, the two sides of the middle connecting part of the middle clamping piece are provided with middle clamping piece lower end positioning holes, the head ends of the side arm parts of the middle clamping piece are provided with middle clamping piece glue filling positioning holes, the inner surfaces of the first insulating seat and the second insulating seat are respectively provided with a lower end positioning convex body, a lower end positioning groove, a head end positioning convex body and a head end positioning groove, the lower end positioning convex body of the first insulating seat penetrates through the lower end positioning holes of the middle clamping piece to be inserted into the lower end positioning groove of the second insulating seat, the lower end positioning convex body of the second insulating seat penetrates through the lower end positioning holes of the other middle clamping piece to be inserted into the lower end positioning groove of the first insulating seat, the head end positioning convex body of the first insulating seat penetrates through the middle clamping piece glue filling positioning holes to be inserted into the head end positioning groove of the second insulating seat, and the head end positioning convex body of the second insulating seat penetrates through the other middle clamping piece glue filling positioning holes to be inserted into the head end positioning groove of the first insulating seat.
Compared with the prior art, the utility model has the beneficial effects that:
1. the utility model has simple and compact structure and reasonable design, the widened bases are respectively formed on the left side and the right side of the insulating body, so that the connector and the circuit board can be more stably installed, the front side and the rear side of the bottom of the metal shell are respectively provided with two bending pins positioned on the left side and the right side, each bending pin is respectively abutted against the outer wall of the corresponding widened base, the pins can be effectively guided, the pins are prevented from deforming, the installation between the pins and the circuit board is facilitated, and the product quality and the production efficiency are improved.
2. The metal shell of the utility model adopts a buckling design, so that the step pitch of the terminal can be reduced, and the cost of the product can be reduced.
3. The tail ends of the welding leg parts of the terminal assembly are protruded out of the front side and the rear side of the bottom of the insulating body, so that the welding condition of the terminal can be conveniently detected through the CCD after the welding patch is welded.
4. The utility model adopts the U-shaped middle clamping piece, strengthens the structural strength of the middle clamping piece, designs the middle clamping piece glue filling positioning hole with a large hole site at the head part thereof, and is beneficial to the connection of the middle clamping piece and the insulating body.
5. The first insulating seat and the second insulating seat are arranged in a mutually symmetrical structure, so that the production and assembly processes are simplified, and the yield is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a conventional vertical Type-c connector;
FIG. 2 is a schematic diagram of a widened vertical Type-c connector according to an embodiment of the present utility model;
FIG. 3 is an exploded view of a widened vertical Type-c connector provided by an embodiment of the present utility model;
FIG. 4 is a schematic view of a metal shell according to an embodiment of the present utility model;
FIG. 5 is a schematic diagram of a widened vertical Type-c connector according to an embodiment of the present utility model with a metal shell removed;
FIG. 6 is a bottom view of a widened vertical Type-c connector according to an embodiment of the present utility model with a metal shell removed;
FIG. 7 is a schematic view of a middle clip according to an embodiment of the present utility model;
fig. 8 is a schematic structural diagram of a first insulating base or a second insulating base according to an embodiment of the present utility model.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 2 and 3, an embodiment of the present utility model provides a widened vertical Type-c connector with a bent housing pin, which includes a metal housing 1, an insulating body 2, a first terminal group 3, a second terminal group 4, a middle clip 5, and the like, and each component of the embodiment is described in detail below with reference to the accompanying drawings.
As shown in fig. 2, 3 and 5, the first terminal group 3 and the second terminal group 4 are embedded in the insulating body 2, the butt joint portion 31 of the first terminal group 3 extends out of the surface of the tongue plate portion of the insulating body 2, the butt joint portion 41 of the second terminal group 4 extends out of the surface of the tongue plate portion of the insulating body 2, the leg portion 32 of the first terminal group 3 extends out of the bottom of the insulating body 2 by bending, and the leg portion 42 of the second terminal group 4 extends out of the bottom of the insulating body 2 by bending.
As shown in fig. 3 and 5, the insulating body 2 may specifically include a first insulating base 21, a second insulating base 22 and a tongue plate insulating base 23, where the first insulating base 21 is injection molded outside the first terminal group 3, the second insulating base 22 is injection molded outside the second terminal group 4, and when the insulating body is installed, the first insulating base 21 and the second insulating base 22 are assembled and overlapped together, and subsequently, the tongue plate insulating base 23 may be injection molded at front ends of the first insulating base 21 and the second insulating base 22. Wherein, the process difficulty of 2 times of molding can be greatly optimized by filling the sizing material on the periphery after assembling and overlapping.
As shown in fig. 3 and 5, the outer side edges of the first insulating base 21 and the second insulating base 22 are each formed with a widened base 20, and the front and rear sides of the bottom of each widened base 20 protrude from the insulating body 2 in the width direction of the insulating body 2, respectively, so that the cross-sectional shape of the widened base 20 is inverted T-shaped. Widening the base 20 enables a smoother mounting of the connector to the circuit board.
In this embodiment, the bottom of each widened base 20 protrudes downward from the bottom surface of the insulating body 2, so that the soldering leg portion of the terminal set is facilitated to protrude. For positioning connection with the circuit board, the bottom of each widened base 20 is provided with a positioning post 25 for insertion into a mounting hole on the circuit board, respectively.
As shown in fig. 2 and fig. 4, the metal casing 1 is covered outside the insulating body 2, two bending pins 11 located at the left and right sides are respectively arranged at the front and rear sides of the bottom of the metal casing 1, each widened base 20 is respectively located between the two bending pins 11 located at the same side, and the bending pins 11 respectively lean against the outer walls of the corresponding widened bases 20, so that the pins can be effectively guided, the pins are prevented from being deformed, the installation between the pins and the circuit board is facilitated, and the product quality and the production efficiency are improved.
Specifically, each bending pin 11 may include a pin connection section 111, a pin bending transition section 112 and a longitudinal pin section 113, which are sequentially connected, one end of the pin connection section 111 is connected with the bottom of the metal shell 1, the other end of the pin connection section 111 extends outward along the length direction of the metal shell 1, the pin bending transition section 112 extends obliquely outward along the width direction of the metal shell 1, the longitudinal pin section 113 extends vertically downward, and when the metal shell 1 is installed, the pin connection section 111, the pin bending transition section 112 and the longitudinal pin section 113 all rest on the outer wall of the corresponding widened base 20.
As shown in fig. 2, fig. 4 and fig. 5, the middle parts of the front side and the rear side of the bottom of the metal casing 1 are respectively provided with a casing buckle piece 114, each casing buckle piece 114 is respectively connected between two bending pins 11 positioned on the same side of the metal casing, each casing buckle piece 114 is respectively provided with a buckle hole 115, the lower end parts of the first insulating seat 21 and the second insulating seat 22 are respectively provided with a buckle 23, and when in installation, the buckle 23 can be clamped into the corresponding buckle hole 115, so that the metal casing 1 can be fast clamped and fixed with the whole insulating body 2.
The metal shell of this embodiment adopts the design of buckling, can reduce the step of terminal, reduces the cost of product.
As shown in fig. 2 and 5, two limiting protrusions 210 near the widened base 20 are respectively disposed on front and rear sides of the lower end portion of the insulating body 2 (i.e., the surfaces of the first insulating seat 21 and the second insulating seat 22), and each housing fastening piece 114 is respectively interposed between the two limiting protrusions 210 on the same side thereof. The limiting convex body 210 is also located between the housing buckle piece 114 and the bending pin 11, and can limit the bending pin 11, and can prevent the bending pin 11 from deforming to a certain extent.
In the present embodiment, the first insulating base 21 and the second insulating base 22 are preferably arranged in a symmetrical structure, which simplifies the production and assembly process and improves the yield.
As shown in fig. 6, the ends of the leg portions 32 of the first terminal group 3 may protrude from the bottom front side of the insulating body 2, and the ends of the leg portions 42 of the second terminal group 4 may protrude from the bottom rear side of the insulating body 2. The terminal assembly comprises a terminal assembly, a CCD, a welding surface mount device, a CCD and a welding surface mount device, wherein the tail ends of welding foot parts of the terminal assembly all adopt a convex design, and the welding condition of the terminal is conveniently detected through the CCD after the welding surface mount device.
As shown in fig. 3, 5 and 7, the insulating body 2 is internally provided with a middle clip 5 between the first terminal group 3 and the second terminal group 4, the middle clip 5 may include a middle clip side arm portion 51, a middle clip middle connecting portion 52 and a middle clip hook portion 53, the middle clip middle connecting portion 52 is connected between the two middle clip side arm portions 51, and the middle clip hook portion 53 is respectively connected to the outer sides of the head ends of the two middle clip side arm portions 51 and extends out of the tongue plate portion side surface of the insulating body 2.
The middle clamping piece of the embodiment adopts a U-shaped structure, so that the structural strength of the middle clamping piece can be enhanced.
As shown in fig. 7 and 8, in order to facilitate the installation and positioning of the middle clip, the two sides of the middle clip middle connecting portion 52 are provided with middle clip lower end positioning holes 54, the head end of the middle clip side arm portion 51 is provided with a middle clip glue filling positioning hole 55, and the inner surfaces of the first insulating base 21 and the second insulating base 22 are respectively provided with a lower end positioning protrusion 26, a lower end positioning groove 27, a head end positioning protrusion 28 and a head end positioning groove 29.
When the first insulating base 21 and the second insulating base 22 are assembled, the lower end positioning convex body 26 of the first insulating base 21 can be inserted into the lower end positioning groove 27 of the second insulating base 22 through the middle clamping piece lower end positioning hole 54, the lower end positioning convex body 26 of the second insulating base 22 can be inserted into the lower end positioning groove 27 of the first insulating base 21 through the other middle clamping piece lower end positioning hole 54, the head end positioning convex body 28 of the first insulating base 21 can be inserted into the head end positioning groove 29 of the second insulating base 22 through the middle clamping piece glue filling positioning hole 55, and the head end positioning convex body 28 of the second insulating base 22 can be inserted into the head end positioning groove 29 of the first insulating base 21 through the other middle clamping piece glue filling positioning hole 55.
The middle clamping piece glue filling positioning hole 55 in the embodiment adopts a large hole site design, so that the glue filling amount is increased, and the connection of the middle clamping piece and the insulating body is facilitated.
The above examples are preferred embodiments of the present utility model, but the embodiments of the present utility model are not limited to the above examples, and any other changes, modifications, substitutions, combinations, and simplifications that do not depart from the spirit and principle of the present utility model should be made in the equivalent manner, and the embodiments are included in the protection scope of the present utility model.
Claims (10)
1. The utility model provides a take vertical Type-c connector of widening of bent Type shell pin, includes metal casing, insulator, first terminal group and second terminal group inlay in insulator's inside, the butt joint position of first terminal group and second terminal group stretches out at insulator's hyoid plate position surface, the welding leg position of first terminal group and second terminal group is bent in insulator's bottom and is stretched out, the outside at insulator is established to the metal casing cover, its characterized in that: the insulation body is characterized in that the left side and the right side of the insulation body are respectively provided with a widened base, the front side and the rear side of the bottom of each widened base are respectively protruded out of the insulation body along the width direction of the insulation body, so that the section shape of the widened base is in an inverted T shape, the front side and the rear side of the bottom of the metal shell are respectively provided with two bending pins positioned at the left side and the right side, each widened base is respectively positioned between the two bending pins positioned at the same side, and the bending pins respectively lean against the outer wall of the corresponding widened base.
2. The widened Type vertical Type-c connector with bent housing pins of claim 1, wherein: each bending pin comprises a pin connecting section, a pin bending transition section and a longitudinal pin section which are sequentially connected, one end of the pin connecting section is connected with the bottom of the metal shell, the other end of the pin connecting section extends outwards along the length direction of the metal shell, the pin bending transition section extends outwards in an inclined manner along the width direction of the metal shell, the longitudinal pin section extends downwards vertically, and the pin connecting section, the pin bending transition section and the longitudinal pin section are propped against the outer wall of the corresponding widened base.
3. The widened Type vertical Type-c connector with bent housing pins of claim 1, wherein: the middle part of both sides is equipped with the shell buckle piece respectively around the bottom of metal casing, and every shell buckle piece is connected respectively rather than being in between two bending pins of same one side, has seted up the buckle hole on every shell buckle piece respectively, both sides are equipped with the buckle respectively around the lower extreme position of insulator, the buckle can block into corresponding buckle hole to make metal casing and insulator realize the joint fixedly.
4. A widened vertical Type-c connector with bent housing pins according to claim 3, wherein: two limiting convex bodies close to the widened base are respectively arranged on the front side and the rear side of the lower end of the insulating body, and each shell buckle piece is respectively inserted between the two limiting convex bodies on the same side.
5. The widened Type vertical Type-c connector with bent housing pins of claim 1, wherein: the bottom of every widened base all downwards protrudes in the bottom surface of insulator, the terminal protrusion in insulator's bottom front side of the terminal welding foot position of first terminal group, the terminal protrusion in insulator's bottom rear side of terminal welding foot position of second terminal group.
6. The widened Type vertical Type-c connector with bent housing pins of claim 1, wherein: the bottom of each widened base is respectively provided with a positioning column.
7. A widened Type vertical Type-c connector with a bent housing pin according to any one of claims 1 to 6, wherein: the insulation body comprises a first insulation seat, a second insulation seat and a tongue plate insulation seat, wherein the first insulation seat is injection molded outside the first terminal group, the second insulation seat is injection molded outside the second terminal group, the first insulation seat and the second insulation seat are assembled and overlapped together, the tongue plate insulation seat is injection molded at the front ends of the first insulation seat and the second insulation seat, and the two widened bases are respectively molded at the side edges of the first insulation seat and the second insulation seat.
8. The widened Type vertical Type-c connector with bent housing pins of claim 7, wherein: the first insulating seat and the second insulating seat are arranged in a mutually symmetrical structure.
9. The widened Type vertical Type-c connector with bent housing pins of claim 7, wherein: the insulation body is internally provided with a middle clamping piece positioned between the first terminal group and the second terminal group, the middle clamping piece comprises a middle clamping piece side arm part, a middle clamping piece middle connecting part and a middle clamping piece clamping hook part, the middle clamping piece middle connecting part is connected between the two middle clamping piece side arm parts, and the middle clamping piece clamping hook part is respectively connected to the outer sides of the head ends of the two middle clamping piece side arm parts and extends out of the side surfaces of the tongue plate parts of the insulation body.
10. The widened Type vertical Type-c connector with bent housing pins of claim 9, wherein: the two sides of the middle connecting part of the middle clamping piece are provided with middle clamping piece lower end positioning holes, the head ends of the side arm parts of the middle clamping piece are provided with middle clamping piece glue filling positioning holes, the inner surfaces of the first insulating seat and the second insulating seat are respectively provided with a lower end positioning convex body, a lower end positioning groove, a head end positioning convex body and a head end positioning groove, the lower end positioning convex body of the first insulating seat penetrates through the middle clamping piece lower end positioning holes to be inserted into the lower end positioning groove of the second insulating seat, the lower end positioning convex body of the second insulating seat penetrates through the lower end positioning hole of the other middle clamping piece to be inserted into the lower end positioning groove of the first insulating seat, the head end positioning convex body of the first insulating seat penetrates through the middle clamping piece glue filling positioning holes to be inserted into the head end positioning groove of the second insulating seat, and the head end positioning convex body of the second insulating seat penetrates through the other middle clamping piece glue filling positioning hole to be inserted into the head end positioning groove of the first insulating seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321889676.1U CN220233550U (en) | 2023-07-18 | 2023-07-18 | Widened vertical Type-c connector with bending Type shell pins |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321889676.1U CN220233550U (en) | 2023-07-18 | 2023-07-18 | Widened vertical Type-c connector with bending Type shell pins |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220233550U true CN220233550U (en) | 2023-12-22 |
Family
ID=89178191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321889676.1U Active CN220233550U (en) | 2023-07-18 | 2023-07-18 | Widened vertical Type-c connector with bending Type shell pins |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220233550U (en) |
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2023
- 2023-07-18 CN CN202321889676.1U patent/CN220233550U/en active Active
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