TWI753699B - Fixed structure of electrical connector - Google Patents

Abstract

The present invention relates to a fixing structure of an electrical connector. The main structure includes a shielding shell, a circuit element, at least one shell snap portion, a holder, at least one holding snap portion, a holding hole, a A cladding body, a cladding through hole, and a plug connector. With the above-mentioned structure, the holder is coupled to the shielding case through the retaining clip portion, so as to enclose the circuit elements in the shielding case in all directions, so as to achieve the effect of adjusting the impedance. In addition, the design of the holder is more efficient. A stable covering body can be produced to reduce shaking, whereby when the male and female electrical connectors are inserted into each other, the stability is improved, and the occurrence of the breaking of the covering body made of plastic material due to vibration is avoided.

Description

Fixing structure of electrical connector

The present invention provides a fixing structure for an electrical connector, especially a fixing structure for an electrical connector that saves cost, improves the stability of insertion, avoids shell breakage, and at the same time effectively adjusts impedance.

According to press, the existing electrical connector generally includes a metal shell and a terminal block arranged in the metal shell. The terminal block is provided with a plurality of terminals for butting, and the metal shell can be used to insert another corresponding electrical connector, and connect it to the terminal block. Ground to shield electrical signal interference. Generally speaking, the metal shell is mostly made of a metal sheet, which is bent into a tubular shape, a cylindrical shape or a ring shape by sheet metal processing so that the terminal seat can be arranged therein.

At present, there are various types of electrical connectors on the market. Among them, the more novel and popular one is USB Type-C. As a brand-new interface standard, the Type-C electrical connector has the advantages of being able to be plugged in except for the front and back. , In addition to the convenience of use, it also achieves a maximum transfer rate of 10Gb per second, which is a great improvement in speed compared to the previous generation of Micro USB.

However, in order to enable different electrical connectors to communicate with each other, it is necessary to use an adapter. There are some problems with the adapters on the market that need to be improved. When the number of connections is too high, the plastic case itself will shake due to the fragile texture, resulting in the case of case breakage and insufficient stability; while the case is covered with metal material, there will be a problem of high production cost; In addition, in some adapters, the design of the shielding shell cannot seal the internal circuit board in all directions, which affects the transmission of high-frequency signals and cannot effectively adjust the impedance.

Therefore, how to solve the above-mentioned conventional problems and deficiencies is the direction that the applicant of the present invention and related manufacturers in the industry are eager to research and improve.

Therefore, in view of the above deficiencies, the applicant of the present invention collects relevant information, evaluates and considers from various parties, and uses years of experience accumulated in this industry, through continuous trial production and modification, to design such a cost-saving and improved plug-in. The patentee of the invention patent of the fixed structure of the electrical connector that can connect the stability, avoid the breakage of the casing, and effectively adjust the impedance at the same time.

The main purpose of the present invention is to improve the overall stability to reduce shaking when the male and female electrical connectors are plugged into each other through the design of the holder being combined with the shielding shell, thereby avoiding the breakage of the plastic covering body occur.

Another main purpose of the present invention is to enclose the circuit elements in all directions through the structure of the holder, so as to effectively adjust the impedance during signal transmission.

In order to achieve the above-mentioned purpose, the main structure of the present invention includes: a shielding casing, a circuit element is arranged in the shielding casing, at least one casing snap portion is formed on the shielding casing, and one side of the shielding casing is provided with a retaining The holder is provided with at least one holding buckle portion, and the holding buckle portion is correspondingly buckled on the casing buckle portion, and a holding hole is also formed on the holder. In addition, the outer side of the shielding shell is covered A covering body is provided, a covering hole corresponding to the holding hole is formed on the covering body, and a plug connector electrically connected to the circuit element is arranged in the shielding shell, and the plug connector is penetrated through the holding hole and the holding hole. Covered perforations.

Through the above structure, when the user connects the electrical connector with another electrical connector by using the plugs pierced through the holding hole and the covering hole, the latching portion of the housing corresponds to the holding latching portion. The structure of the buckle enables the holder to be firmly clamped on the shielding shell, thereby supporting the cladding body. In addition, due to the configuration of the holder, the circuit elements located in the shielding shell can be enclosed in all directions, which can not only improve the overall stability, avoid the breakage of the cladding, save costs, but also effectively adjust the signal transmission. resistance of time.

With the above technology, it is possible to break through the problems of conventional electrical connectors, which are prone to shaking and lead to rupture of the plastic casing, high production cost of the metal casing, and inability to effectively adjust the impedance, so as to achieve the practical progress of the above advantages. .

100: Electrical connector

200: Female electrical connector

300: Male electrical connector

1, 1a: shielding shell

11, 11a: shell buckle part

2: circuit components

21: The first circuit terminal

22: Second circuit terminal

3, 3a: Holder

31, 31a: Retaining buckle part

311: slotted hole

312: bump

32: Hold the perforation

33: Front top surface

34: side top surface

35: Arc part

4, 4a: Coating

41, 41a: Coating perforation

42a: shield

421a: masking joint

43a: Coating joint

5: Connectors

51: Terminal group

The first figure is a perspective view of a preferred embodiment of the present invention.

The second figure is a cross-sectional view along the line A-A of the first figure of the preferred embodiment of the present invention.

Figure 3 is an exploded view of a preferred embodiment of the present invention.

Figure 4 is another perspective exploded view of the preferred embodiment of the present invention.

Fig. 5 is a schematic diagram of a plug connection according to a preferred embodiment of the present invention.

Figure 6 is an exploded view of yet another preferred embodiment of the present invention.

Fig. 7 is another perspective exploded view of another preferred embodiment of the present invention.

In order to achieve the above objects and effects, the technical means and structures adopted by the present invention are described in detail with reference to the preferred embodiments of the present invention, and the features and functions are as follows, so as to be fully understood.

Please refer to FIG. 1 to FIG. 5, which are the perspective views to the plug-in schematic diagrams of the preferred embodiment of the present invention. It can be clearly seen from the figures that the electrical connector 100 of the present invention includes:

a shielding shell 1, a circuit element 2 is arranged in the shielding shell 1;

at least one case snap portion 11 formed on the shielding case 1 ;

a holder 3, the holder 3 is arranged at one side of the shielding shell 1;

at least one retaining clip portion 31 , the retaining clip portion 31 is disposed on the holder 3 and correspondingly clipped to the casing clip portion 11 , so as to enclose the circuit element 2 in all directions;

a holding hole 32, the holding hole 32 is formed on the holding member 3;

a cladding body 4, the cladding body 4 is covered and arranged on the outside of the shielding shell 1;

a cladding through hole 41, the cladding through hole 41 is formed on the cladding body 4, and the position corresponds to the holding through hole 32; and

A plug 5 is installed in the shielding case 1 and electrically connected to the circuit element 2 , and the plug 5 is inserted through the holding through hole 32 and the covering through hole 41 .

Wherein, the holder 3 has a front top surface 33 , two sides of the front top surface 33 are bent and extended to form a plurality of side top surfaces 34 , and the included angle between the front top surface 33 and each of the side top surfaces 34 is a right angle.

A circular arc portion 35 is formed at the connection between the front top surface 33 and each of the side top surfaces 34 .

Wherein, the retaining clip portion 31 is disposed on the side top surfaces 34 .

The retaining clip portion 31 includes a slot hole 311 formed on the holder 3, and a protruding block 312 obliquely disposed on the retainer 3 and corresponding to the slot hole 311, and the retaining clip portion The number of 31 takes one as an example.

Wherein, both sides of the circuit element 2 respectively have a plurality of first circuit terminals 21 and a plurality of second circuit terminals 22 electrically connected to the first circuit terminals 21 .

The connector 5 has a plurality of terminal groups 51 connected to the circuit element 2 , and the terminal group 51 is connected to the first circuit terminal 21 of the circuit element 2 .

Preferably, the electrical connector 100 is an adapter device for electrically converting between USB Type-C and USB Type-A.

Preferably, the holder 3 is made of metal.

Preferably, the shell snap portion 11 is in a perforated state, and the number of the snap portion 11 is taken as an example.

Preferably, the covering body 4 can be made of metal or plastic material, and the present embodiment takes plastic material as an example.

Preferably, the connector 5 is for connecting with a USB Type-C connector.

Preferably, the second circuit terminal 22 is for connecting with a USB Type-A connector.

From the above description, the structure of the present technology can be understood, and according to the corresponding cooperation of this structure, the plugging stability can be improved, the shell breakage can be avoided, the impedance can be effectively adjusted, and the cost saving effect can be achieved. The detailed explanation will be described below.

Please refer to the second figure, which shows that the plug 5 passes through the holding through hole 32 and the covering through hole 41, so through the plug 5, the electrical connector 100 can be inserted into the female socket for electrical connection as shown in the fifth figure On the connector 200, the terminal group 51 in the plug connector 5 is connected with the terminal in the female electrical connector 200, and at the same time, it can also be connected with the terminal in a male electrical connector 300 through the second circuit terminal 22, In this way, the female electrical connector 200 and the male electrical connector 300 can transmit signals to each other through the electrical connector 100 to achieve the effect of switching.

It can be seen from the third and fourth figures that the holder 3 is buckled on the casing buckle portion 11 of the shielding shell 1 through the structure of the retaining buckle portion 31, and the holder 3 is located in the shielding casing body 1 front In addition, because the covering body 4 covers the outer side of the shielding housing 1, the holder 3 also indirectly supports the covering body 1. 4 produces a corresponding support effect.

At present, most of the cladding bodies 4 on the market are made of plastic materials in order to save costs. Therefore, when the electrical connector 100 is plugged with the female electrical connector 200 and the male electrical connector 300, the long-term accumulated vibration is The cladding body 4 may be damaged, and the cladding body 4 may be broken. With the design of the holder 3 of the present invention, when the electrical connector 100 and the female electrical connector 200 are plugged into each other, the cover body 4 can be indirectly supported, thereby stabilizing the plugging process, reducing vibration and avoiding plastic The rupture of the covering body 4 of the material not only saves the production cost, but also improves the overall stability.

In addition, the gap of the holder 3 in the front of the shielding case 1 and the latching parts 11 of each case can easily allow the electromagnetic waves from the outside to enter the shielding case 1 and affect the signal transmission of the circuit element 2 . The configuration can effectively shield the front gap of the shielding shell 1 and each shell snap portion 11, so that the circuit element 2 is placed in a closed space around it, thereby avoiding external electromagnetic wave interference, and effectively adjusting the impedance during signal transmission.

In addition, due to the structure of the front top surface 33 and the side top surface 34, and the design that the included angle between them is a right angle, the holder 3 has a shape of "ㄈ" as a whole, so as to be tightly fitted and clamped in the shielding case 1, and the lifting is improved. Overall stability.

In addition, due to the design of the arc portion 35, it is possible to avoid damage caused by collision during disassembly, and to improve the safety property.

In addition, through the design of the slot hole 311 and the protruding block 312 , the holder 3 can be firmly buckled on the shielding case 1 .

Please also refer to the sixth figure and the seventh figure, which are an exploded view and another angle exploded view of another preferred embodiment of the present invention. It can be clearly seen from the figures that the present embodiment and the above-mentioned embodiment In order to have similarities with minor differences, in this embodiment, the respective numbers of the casing snap portions 11a on the shielding shell 1a and the holding snap portions 31a on the holder 3a are four, and one side of the covering body 4a is four. There is a shielding member 42a, and the covering through hole 41a is set on the shielding member 42a. In addition, at least one shielding joint portion 421a is formed on the shielding member 42a, and at least one corresponding joint is formed on the covering body 4a. The covering joint portion 43a of the shield joint portion 421a is covered.

Preferably, the combination of the shielding joint portion 421a and the covering joint portion 43a is concave-convex fitting as an example, so that the shielding member 42a is tightly engaged with the covering body 4a.

This embodiment only presents different implementations, so that the present invention is suitable for different application occasions. By increasing the number of the casing buckle portion 11a and the fixing buckle portion 31a, the fixing member 3a and the shield can be improved. Bonding strength of the shell 1a.

In addition, with the shielding joint 421a on the shielding member 42a corresponding to the covering joint 43a on the cladding body 4a, the user can remove the shielding member 42a from one side of the cladding body 4a to The inner holder 3a or the shielding case 1a is cleaned, maintained, or replaced, thereby improving the overall practical convenience.

However, the above descriptions are only the preferred embodiments of the present invention, which do not limit the patent scope of the present invention. Therefore, all simple modifications and equivalent structural changes made by using the contents of the description and drawings of the present invention should be the same. Included in the scope of the patent of the present invention, it is hereby stated.

Therefore, the key to improving the conventional technology for the fixing structure of the electrical connector of the present invention is:

First, through the design of the holder 3 being combined with the shielding shell 1, when the electrical connector 100 is plugged with the female electrical connector 200 and the male electrical connector 300, the overall stability is improved to reduce shaking, Thus, the occurrence of breakage of the covering body 4 made of plastic material is avoided.

Second, through the structure of the holder 3, the circuit element 2 is sealed in all directions, thereby effectively adjusting the impedance during signal transmission.

Thirdly, through the design of the front top surface 33 and the side top surface 34 of the holder 3 , the holder 3 is closely attached and clamped in the shielding case 1 , thereby improving the overall stability.

Fourth, through the structure of the shielding member 42a, it is convenient for the user to perform maintenance, repair, or replacement of the holding member 3a or the shielding shell 1a inside the cladding body 4a.

To sum up, the fixing structure of the electrical connector of the present invention can indeed achieve its effect and purpose when it is used. Therefore, the present invention is an invention with excellent practicability. In order to meet the application requirements for an invention patent, it is proposed according to law For the application, I hope that the review committee will approve the invention as soon as possible, so as to protect the applicant's hard work in research and development.

100: Electrical connector

1: Shielding shell

11: Shell buckle part

21: The first circuit terminal

3: Holder

31: Hold the buckle part

311: slotted hole

312: bump

32: Hold the perforation

33: Front top surface

34: side top surface

35: Arc part

4: Covering body

41: Coating perforation

5: Connectors

Claims (10)

A fixing structure of an electrical connector, the electrical connector mainly includes: a shielding shell, a circuit element is arranged in the shielding shell; at least one shell snap portion, the shell snap portion is formed on the shielding shell; a holder, the holder is arranged at one side of the shielding shell; at least one retaining clasp portion, the retaining clasp portion is arranged on the holder, and is correspondingly clamped to the casing clasp portion, so as to enclose the circuit element in all directions; a holding hole formed on the holder; a cladding body, the cladding body is arranged on the outside of the shielding shell; a cladding through hole, the cladding through hole is formed on the cladding body, and the position corresponds to the holding through hole; and a plug-in connector, the plug-in connector is arranged in the shielding shell and electrically connected to the circuit element, and the plug-in connector is inserted through the holding through hole and the covering through hole. The fixing structure of the electrical connector according to claim 1, wherein the holder has a front top surface, two sides of the front top surface are bent and extended to form a plurality of side top surfaces, the front top surface and each of the The angle between the side and top surface is a right angle. The fixing structure of the electrical connector according to claim 2, wherein a circular arc portion is formed at the connection between the front top surface and each of the side top surfaces. The fixing structure of the electrical connector as described in claim 2, wherein the retaining clip portion is fixed on the side top surfaces. The fixing structure of the electrical connector as described in claim 1, wherein one side of the covering body is provided with a shielding member, and the covering through hole is set on the shielding member. The fixing structure of the electrical connector according to the claim 5, wherein at least one shielding joint portion is formed on the shielding member, and at least one cover corresponding to the shielding joint portion is formed on the covering body combination. The fixing structure of the electrical connector as described in claim 1, wherein the retaining clip portion has a slot hole formed on the retaining member, and a slot which is obliquely provided on the retaining member and whose positions correspond to each of the retaining members. The bump of the slot. The fixing structure of the electrical connector as described in the claim 1 of the scope of application, wherein two of the circuit elements The sides respectively have a plurality of first circuit terminals, and a plurality of second circuit terminals electrically connected to the first circuit terminals, and each of the first circuit terminals is connected to the connector. The fixing structure of the electrical connector as described in claim 1, wherein the connector has a plurality of terminal groups connected to the circuit element. The fixing structure of the electrical connector as described in item 1 of the scope of the patent application, wherein the holder is made of metal material.

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