CN217062600U

CN217062600U - Public head of negative terminal ground connection stable Type-C and charging wire

Info

Publication number: CN217062600U
Application number: CN202220921488.1U
Authority: CN
Inventors: 彭文; 何平
Original assignee: Shenzhen Dayu Precision Industry Co ltd
Current assignee: Shenzhen Dayu Precision Industry Co ltd
Priority date: 2022-04-20
Filing date: 2022-04-20
Publication date: 2022-07-26
Anticipated expiration: 2032-04-20

Abstract

The utility model discloses a public head of Type-C and charging wire that negative terminal ground connection is stable, the public head of Type-C that negative terminal ground connection is stable includes: the shell is provided with a first accommodating cavity; the plastic part is arranged in the first accommodating cavity; wherein, the plastic part is provided with a second accommodating cavity; the clamping hook is arranged on the plastic part and connected with the shell; the positive terminal is arranged on the plastic part and is partially accommodated in the second accommodating cavity; the negative terminal is arranged on the plastic part and is partially accommodated in the second accommodating cavity; and the short circuit structure is arranged on the negative terminal and is connected with the end face of the clamping hook. The utility model discloses a short circuit structure is connected between negative terminal and trip, and the short circuit structure is connected with the terminal surface of trip, can increase the area of contact and the contact stability of negative terminal and trip to can guarantee negative terminal ground connection.

Description

Negative terminal ground connection stable Type-C public head and charging wire

Technical Field

The utility model belongs to the technical field of the electronic connector technique and specifically relates to a public head of Type-C and charging wire that negative terminal ground connection is stable.

Background

The USB interface has the interface of three kinds of different outward appearances, Type-A, Type-B and Type-C promptly, and Type-C's volume ratio Type-A, Type-B is little, is the newest USB interface appearance standard to, Type-C interface does not have positive and negative difference, can plug at will, is one kind and not only can be applied to the host computer, can be applied to the interface Type of external equipment (like the cell-phone) again, therefore Type-C interface has obtained extensive application.

Type-C charging wire generally includes public head of Type-C and wire rod, its and Type-C interface, the female seat of Type-C forms a complete set and uses promptly. According to the definition standard of the association to Type-C, the number of the terminals of the Type-C male connector and the Type-C female connector is 24. In fact, many terminals are essentially non-functional in a particular application, which not only increases cost, but also creates the risk of short circuits. Therefore, the public head of current Type-C is in order to save the cost, simplifies the product structure, reduces the short circuit risk, will keep except the terminal of the function of charging, and all the other terminals are got rid of. And the public head of Type-C still is connected through the trip on it with the female seat of Type-C, and trip and shell ground connection, negative terminal are through being connected ground connection with the trip. However, the conventional negative terminal is usually abutted against the side surface of the hook, i.e. the side surface opposite to the negative terminal, and the thickness of the hook is smaller, so that the contact surface between the elastic sheet and the hook is smaller, the contact stability between the negative terminal and the hook is poor, and the grounding of the negative terminal cannot be guaranteed.

Accordingly, there is a need for improvements and developments in the art.

SUMMERY OF THE UTILITY MODEL

In view of the above-mentioned prior art not enough, the utility model aims to provide a public head of Type-C and charging wire that negative terminal ground connection is stable to the relatively poor problem that leads to unable assurance negative terminal ground connection of contact stability who solves the public first negative terminal of current Type-C and trip.

The technical scheme of the utility model as follows:

the utility model provides a public head of negative terminal ground connection stable Type-C, it includes:

the shell is provided with a first accommodating cavity;

the plastic part is arranged in the first accommodating cavity; wherein the plastic part is provided with a second accommodating cavity;

the clamping hook is arranged on the plastic part and connected with the shell;

the positive terminal is arranged on the plastic part and is partially accommodated in the second accommodating cavity;

the negative terminal is arranged on the plastic part and is partially accommodated in the second accommodating cavity;

and the short circuit structure is arranged on the negative terminal and is connected with the end face of the clamping hook.

The utility model discloses a further setting, the short circuit structure includes:

a first connection part connected to the negative electrode terminal; the first connecting part is bent by ninety degrees;

and the second connecting part extends towards the end face of the clamping hook along the side face of the first connecting part and is connected with the end face of the clamping hook.

The utility model discloses a further setting, the trip includes:

a connecting plate;

the clamping hook parts are oppositely arranged at two ends of the connecting plate;

the short circuit structure is connected with the upper end face of the connecting plate.

The utility model discloses a further set up, trip portion includes: the guide surface and the contact surface are arranged at the front end of the clamping hook part; the contact surface is connected with the guide surface and forms an arc surface with the guide surface.

The utility model discloses a further setting, the negative terminal includes:

a negative terminal body;

the first connecting section is arranged at one end of the negative terminal body and is positioned in the second accommodating cavity;

the first welding disc is connected with the negative terminal body and is positioned on the plastic part;

the short circuit structure is arranged at the other end of the negative terminal body and is positioned above the first welding disc.

The utility model discloses a further set up, positive terminal includes:

a positive terminal body;

the second connecting section is arranged at one end of the positive terminal body and is positioned in the second accommodating cavity;

the clamping part is arranged at the other end of the positive terminal body and clamped with the plastic part;

and the second welding disc is connected with the positive terminal body and is positioned on the plastic part.

The utility model discloses a further setting, the plastic part includes:

the positioning part is provided with a first clamping groove matched with the clamping part and a second clamping groove matched with the first connecting part;

the upper wall is connected with the lower wall, and a slot for the clamping hook part to enter the second accommodating cavity is formed.

In a further arrangement of the present invention, the upper wall is provided with a first limiting groove adapted to the first connecting section, and the first connecting section is located in the first limiting groove; and a second limiting groove matched with the second connecting section is formed in the upper wall, and the second connecting section is located in the second limiting groove.

The utility model discloses a further setting, the shell includes:

the first elastic sheets are oppositely arranged on the top wall of the shell;

the second elastic sheets are oppositely arranged on the bottom wall of the shell;

the shell is clamped with the plastic part through the first elastic sheet and the second elastic sheet.

The utility model provides a charging wire, its includes the wire rod and as above the stable Type-C public head of negative terminal ground connection, the wire rod respectively with negative terminal and positive terminal is connected.

The utility model provides a public head of Type-C and charging wire that negative terminal ground connection is stable, the public head of Type-C that negative terminal ground connection is stable includes: the shell is provided with a first accommodating cavity; the plastic part is arranged in the first accommodating cavity; wherein the plastic part is provided with a second accommodating cavity; the clamping hook is arranged on the plastic part and connected with the shell; the positive terminal is arranged on the plastic part and is partially accommodated in the second accommodating cavity; the negative terminal is arranged on the plastic part and is partially accommodated in the second accommodating cavity; and the short circuit structure is arranged on the negative terminal and is connected with the end face of the clamping hook. The utility model discloses a short circuit structure is connected between negative terminal and trip, and the short circuit structure is connected with the terminal surface of trip, can increase the area of contact and the contact stability of negative terminal and trip to can guarantee negative terminal ground connection.

Drawings

In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Figure 1 is the utility model discloses the public first overall structure schematic diagram of the stable Type-C of well negative terminal ground connection.

Fig. 2 is an exploded view of fig. 1.

Fig. 3 is a schematic view of the connection between the middle hook and the negative terminal of the present invention.

Fig. 4 is a schematic structural view of the middle plastic part, the positive terminal, the negative terminal and the hook of the present invention.

Fig. 5 is a schematic structural view of the middle plastic part of the present invention.

The various symbols in the drawings: 100. a housing; 110. a first spring plate; 120. a second elastic sheet; 130. a first accommodating cavity; 200. a plastic part; 210. a positioning part; 211. a first card slot; 212. a second card slot; 220. an upper wall; 221. a first limit groove; 222. a second limit groove; 230. a lower wall; 240. inserting slots; 250. a second accommodating cavity; 300. a hook is clamped; 310. a connecting plate; 320. a hook part; 321. a guide surface; 322. a contact surface; 400. a negative terminal; 410. a negative terminal body; 420. a first connection section; 430. a first bonding pad; 500. a positive terminal; 510. a positive terminal body; 520. a second connection section; 530. a clamping part; 540. a second bonding pad; 600. a short circuit structure; 610. a first connection portion; 620. a second connecting portion.

Detailed Description

The utility model provides a public head of negative terminal ground connection stable Type-C and charging wire, for making the utility model discloses a purpose, technical scheme and effect are clearer, clear and definite, and it is right to refer to the figure and to lift the example below the utility model discloses further detailed description. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the embodiments and claims, the articles "a", "an", "the" and "the" may include plural forms as well, unless the context specifically dictates otherwise. If there is a description in an embodiment of the present invention referring to "first", "second", etc., the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.

It will be understood by those within the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 5, the present invention provides a preferred embodiment of a Type-C male connector with a stable negative terminal grounding.

As shown in fig. 1, the utility model provides a negative terminal ground connection stable Type-C is public first, and it includes: the battery pack comprises a shell 100, a plastic part 200, a hook 300, a positive terminal 500, a negative terminal 400 and a short-circuit structure 600. The housing 100 has a first receiving cavity 130, and the plastic part 200 is disposed in the first receiving cavity 130; the plastic part 200 has a second receiving cavity 250, the hook 300 is disposed on the plastic part 200 and connected to the housing 100, the positive terminal 500 is disposed on the plastic part 200 and partially received in the second receiving cavity 250, the negative terminal 400 is disposed on the plastic part 200 and partially received in the second receiving cavity 250, and the short circuit structure 600 is disposed on the negative terminal 400 and connected to an end surface of the hook 300.

Specifically, according to the standards of the industry association, in order to meet the function of positive and negative insertion, the feet of two rows of Type-C female seats are generally defined as a1, a2, A3, A4, a5, a6, a7, A8, a9, a10, a11, a12, B1, B2, B3, B4, B5, B6, B7, B9, B10, B11, B12, wherein a1, a12, B12, B1 are negative terminals, A4, a9, B4, B9 are positive terminals, a1 is opposite to B12, B1 is opposite to a12, A4 is opposite to B9, and a9 is opposite to B4. Correspondingly, the PIN foot of the conventional Type-C male connector corresponds to the PIN foot of the Type-C female connector, and since the Type-C male connector in the invention only has the positive terminal 500 and the negative terminal 400, the PIN positions corresponding to the positive terminal 500 are a4, a9, B4 and B9, the PIN positions corresponding to the negative terminal 400 are B1, B12, a1 and a12, and the positive terminal 500 and the negative terminal 400 are arranged side by side, the PIN positions corresponding to the positive terminal 500 and the negative terminal 400 can be one of a1/a4, a1/a9, a9/a12, a4/a12, B1/B4, B1/B9, B4/B12 and B9/B12. In one implementation, the positions of the positive terminal 500 and the negative terminal 400 may be a1/a 4.

The housing 100 has a first receiving cavity 130, the plastic part 200 has a second receiving cavity 250, the positive terminal 500 and the negative terminal 400 are partially disposed in the second receiving cavity 250, and the plastic part 200 is received in the first receiving cavity 130. The negative terminal 400 passes through the short circuit structure 600 with the trip 300 short circuit, the trip 300 with the shell 100 is connected, just the shell 100 with the trip 300 is metal material and makes, the negative terminal 400 with the trip 300 accessible the shell 100 ground connection. The utility model discloses in only having reserved anodal terminal 500 and negative terminal 400 that are used for realizing the function of charging, simplified the public structure of head of Type-C, reduced the quantity of terminal, degraded the risk of short circuit between the terminal, and because of terminal quantity is less, then need not use the circuit board to carry out the switching for technology is simpler, and product cost is lower.

Additionally, the utility model discloses a short circuit structure 600 connect in negative terminal 400 with between the trip 300, short circuit structure 600 with the end connection of trip 300 can increase negative terminal 400 with the long-pending and contact stability of contact surface 322 of trip 300 to can ensure negative terminal 400 ground connection.

Referring to fig. 2 and 3, in a further implementation of an embodiment, the shorting structure 600 includes: the first connection portion 610 and the second connection portion 620. The first connection portion 610 is connected to the negative terminal 400, the first connection portion 610 is bent by ninety degrees, and the second connection portion 620 extends along a side surface of the first connection portion 610 toward the end surface of the hook 300 and is connected to the end surface of the hook 300.

Specifically, the first connection portion 610 extends along the side of the negative terminal 400 and forms an L-shaped structure bent by ninety degrees, the second connection portion 620 extends along the side of the first connection portion 610 to the upper end surface of the hook 300, and the area of the upper end surface of the hook 300 is larger than that of the side of the hook 300, so that the contact surface 322 between the negative terminal 400 and the hook 300 can be increased, and the contact stability is ensured.

Referring to fig. 2 and 3, in a further implementation of an embodiment, the hook 300 includes: the connecting plate 310, the trip portion 320 relative setting is in the both ends of connecting plate 310. Wherein, the short circuit structure 600 is connected with the upper end face of the connection plate 310.

Specifically, trip portion 320 is used for realizing the joint when the public head of Type-C is connected with the female seat of Type-C, connecting plate 310 is used for two fixed trip portions 320, short circuit structure 600 then connect in the up end of connecting plate 310 to realize negative terminal 400 ground connection.

Referring to fig. 3, in a further implementation manner of an embodiment, the hook portion 320 includes: a guide surface 321 and a contact surface 322, wherein the guide surface 321 is arranged at the front end of the hook part 320; the contact surface 322 is engaged with the guide surface 321, and forms an arc with the guide surface 321.

Specifically, the spigot 321 is approximately the plane, the spigot 321 has the guide effect the public head of Type-C inserts the female in-process of seat of Type-C, can reduce the resistance to realize being connected with Type-C. Contact surface 322 is the curved surface, with spigot surface 321 forms an cambered surface, is connected the back at public head of Type-C and female seat of Type-C to the public head of Type-C is extracted.

In a further implementation of an embodiment, referring to fig. 2, the negative terminal 400 includes: the negative terminal comprises a negative terminal body 410, a first connecting section 420 and a first welding disc 430, wherein the first connecting section 420 is arranged at one end of the negative terminal body 410 and is positioned in the second accommodating cavity 250, and the first welding disc 430 is connected with the negative terminal body 410 and is positioned on the plastic part 200. Wherein the shorting structure 600 is disposed at the other end of the negative terminal body 410 and above the first bonding pad 430.

The positive electrode terminal 500 includes: the positive terminal body 510, the second connection section 520, the clamping portion 530 and the second bonding pad 540. The second connecting section 520 is disposed at one end of the positive terminal body 510 and is located in the second accommodating cavity 250, the clamping portion 5303 is disposed at the other end of the positive terminal body 510 and is clamped with the plastic part 200, and the second welding disc 540 is connected with the positive terminal body 510 and is located on the plastic part 200.

Referring to fig. 4 and 5, in a further embodiment of an embodiment, the plastic part 200 includes: the positioning portion 210 is provided with a first clamping groove 211 adapted to the clamping portion 320 and a second clamping groove 212 adapted to the first connecting portion 610, the upper wall 220 is connected to the lower wall 230, and a slot 240 is formed for the clamping portion 320 to enter the second accommodating cavity 250.

Specifically, the hook portion 320 is located in the slot 240 formed by the upper wall 220 and the lower wall 230 of the plastic part 200, and the front end of the hook portion 320 is inserted into the second receiving cavity 250 of the plastic part 200, so as to be connected to the Type-C female socket. The clamping portion 530 of the positive terminal 500 is clamped with the first clamping groove 211 of the positioning portion 210, so as to position the positive terminal 500. Short circuit structure 600 first connecting portion 610 with the joint is realized to second draw-in groove 212 to realize negative terminal 400 and short circuit structure 600's location.

Referring to fig. 2 and fig. 5, in a further implementation manner of an embodiment, a first limiting groove 221 adapted to the first connecting section 420 is disposed on the upper wall 220, and the first connecting section 420 is located in the first limiting groove 221; and a second limiting groove 222 adapted to the second connecting section 520 is formed in the upper wall 220, and the second connecting section 520 is located in the second limiting groove 222.

Specifically, the positive terminal 500 and the negative terminal 400 are partially accommodated in the second accommodating cavity 250 of the plastic part 200 to achieve connection with a Type-C female socket, the negative terminal 400 is limited by the first limiting groove 221, and the positive terminal 500 is limited by the second limiting groove 222, so that the position of the negative terminal 400 and the position of the positive terminal 500 are prevented from being shifted, and a short circuit between the positive terminal 500 and the negative terminal 400 is prevented.

Referring to fig. 2, in a further implementation of an embodiment, the housing 100 includes: the elastic piece comprises at least two first elastic pieces 110 and at least two second elastic pieces 120, wherein the first elastic pieces 110 are oppositely arranged on the top wall of the shell 100, and the second elastic pieces 120 are oppositely arranged on the bottom wall of the shell 100. The housing 100 is clamped to the plastic part 200 through the first elastic piece 110 and the second elastic piece 120.

In some embodiments, the utility model also provides a charging wire, it includes the wire rod (not shown in the figure) and as described above the stable Type-C public head of negative terminal ground connection, the wire rod respectively with the negative terminal and the positive terminal is connected.

To sum up, the utility model provides a public head of Type-C and charging wire that negative terminal ground connection is stable, the public head of Type-C that negative terminal ground connection is stable includes: the shell is provided with a first accommodating cavity; the plastic part is arranged in the first accommodating cavity; wherein the plastic part is provided with a second accommodating cavity; the clamping hook is arranged on the plastic part and connected with the shell; the positive terminal is arranged on the plastic part and is partially accommodated in the second accommodating cavity; the negative terminal is arranged on the plastic part and is partially accommodated in the second accommodating cavity; and the short circuit structure is arranged on the negative terminal and is connected with the end face of the clamping hook. The utility model discloses a short circuit structure is connected between negative terminal and trip, and the short circuit structure is connected with the terminal surface of trip, can increase the area of contact and the contact stability of negative terminal and trip to can guarantee negative terminal ground connection.

It is to be understood that the invention is not limited to the above-described embodiments, and that modifications and variations may be made by those skilled in the art in light of the above teachings, and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a public head of stable Type-C of negative terminal ground connection which characterized in that includes:

the shell is provided with a first accommodating cavity;

the clamping hook is arranged on the plastic part and connected with the shell;

2. The negative terminal ground stable Type-C male connector of claim 1, wherein the shorting structure comprises:

the second connecting portion extend towards the end face of the clamping hook along the side face of the first connecting portion and are connected with the end face of the clamping hook.

3. The negative terminal ground stable Type-C male connector of claim 2, wherein the snap comprises:

a connecting plate;

4. The negative terminal ground stable Type-C male connector of claim 3, wherein the hook portion comprises: the guide surface and the contact surface are arranged at the front end of the clamping hook part; the contact surface is connected with the guide surface and forms an arc surface with the guide surface.

5. The Type-C male connector with ground stabilization of a negative terminal of claim 4, wherein the negative terminal comprises:

a negative terminal body;

6. The Type-C male connector with ground stabilization of the negative terminal of claim 5, wherein the positive terminal comprises:

a positive terminal body;

7. The negative terminal ground stable Type-C male connector of claim 6, wherein the plastic part comprises:

the upper wall is connected with the lower wall and forms a slot for the clamping hook part to enter the second accommodating cavity.

8. The Type-C male connector with the stable grounding of the negative terminal as claimed in claim 7, wherein a first limiting groove adapted to the first connecting section is disposed on the upper wall, and the first connecting section is located in the first limiting groove; and a second limiting groove matched with the second connecting section is formed in the upper wall, and the second connecting section is located in the second limiting groove.

9. The negative terminal ground-stabilized Type-C male connector of claim 1, wherein the housing comprises:

the first elastic sheets are oppositely arranged on the top wall of the shell;

10. A charging wire comprising a wire and the Type-C male terminal with the negative terminal grounded stably according to any one of claims 1 to 9, wherein the wire is connected to the negative terminal and the positive terminal, respectively.