TWM471691U - Power connector - Google Patents

Description

Power connector

This creation is a power connector, especially a power connector with a central terminal.

With the development of science and technology, various electronic and electrical equipments are constantly emerging. They bring great convenience to people's lives and make our lives more and more colorful. In order to facilitate the movement or storage, most electrical and electronic devices are provided with a power connector to allow the docking connector through which the wire is connected to the power source to be detachably inserted.

Generally, the power connector has a centrally located power terminal and a ground terminal located around the power terminal for electrical connection to the docking connector. The insulation of the power connector is usually covered with a metal housing for grounding or electromagnetic shielding. However, the conventional grounding terminal is arranged in a place where the thickness of the insulating body is small, and the insulating body also forms a hole to fix the metal casing, which causes the structural strength of the insulating body to be lowered, so that the insulating body is easily in a high specification. It collapsed under the overload test.

This creation provides a power connector with better structural strength.

The present invention provides a power connector including an insulative housing, a housing, a center terminal, and a first conductive terminal. The insulative housing is formed with a receiving cavity, a first slot and a second slot. First slot and second slot It is connected to the receiving cavity. The housing is covered with an insulating body. The center terminal has a contact portion, a projection portion and a solder portion. The contact portion is located in the receiving cavity, and the outer diameter of the protruding portion is larger than the outer diameter of the contact portion and the welded portion. The first conductive terminal has a first holding portion, a first terminal and a second terminal. The first holding portion is connected to the first terminal and the second terminal. The first terminal and the second terminal are respectively disposed in the first slot and the second slot, so that the first terminal and the second terminal are located on a diagonal line of the insulating body.

In an embodiment of the present invention, the housing has a plurality of fixed bends to secure the rear wall of the insulative body.

In an embodiment of the present invention, the first conductive terminal further has a first soldering portion extending from the first retaining portion, and the housing further has a second soldering portion, wherein the first soldering portion is exposed to the outside of the housing and The second welded portions are disposed adjacent to each other.

In an embodiment of the present invention, the first terminal and the second terminal respectively have a first elastic portion and a second elastic portion, and the first elastic portion protruding position is different from the second elastic portion protruding position.

In an embodiment of the present creation, the power connector further includes a spacer. The partition member is disposed on the rear wall of the insulating body and has a positioning hole. The welding portion passes through the positioning hole so that the center terminal is positioned at a central position of the receiving cavity.

In an embodiment of the present invention, the housing has a plurality of fixed bends that secure the divider.

In an embodiment of the present creation, the center terminal has a rod shape. Projection Not coaxial with the contact or weld.

In an embodiment of the present invention, the housing has a wire bond portion that protrudes beyond a side of the housing relative to the plug connector.

In an embodiment of the present invention, the power connector further includes a second conductive terminal, and the first conductive terminal is annularly arranged and has a second holding portion, a third terminal and a fourth terminal. The second holding portion is connected to the third terminal and the fourth terminal. The insulative housing further has a third slot and a fourth slot. The third terminal and the fourth terminal are respectively disposed in the third slot and the fourth slot, so that the third terminal and the fourth terminal are located on a diagonal line of the insulating body.

In an embodiment of the present invention, the third terminal and the fourth terminal respectively have a third elastic portion and a fourth elastic portion, the third elastic portion protruding position is different from the fourth elastic portion protruding position, and the third elastic portion is protruded. The position corresponds to the position of the first elastic portion protrusion, and the fourth elastic portion corresponds to the second elastic portion protrusion position.

The power connector of the present invention can reduce the influence of the slot on the strength of the insulating body by providing the first terminal and the second terminal on the diagonal of the insulating body, so that the overall structural strength is better. In addition, the power connector of the present invention fixes the partition or the insulating body by fixing the bending, and the insulating body is not fixed by the broken hole, and the overall strength can be maintained. In addition, the first elastic portion protruding position of the first terminal may be different from the second elastic portion protruding position of the second terminal, and the fixing effect with the mating connector may be increased or the contact area of the terminal may be increased.

In order to further understand the features and technical contents of the present invention, please refer to the following detailed description and drawings of the present invention. However, the drawings are only for reference and description, and are not intended to limit the creation.

1 is a perspective view of a power connector according to an embodiment of the present invention, and FIG. 2 is an exploded perspective view of the power connector of FIG. 1. Referring to FIG. 1 and FIG. 2 , the power connector 100 includes an insulative housing 110 , a housing 120 , a center terminal 130 , and a first conductive terminal 140 . The insulative housing 110 is formed with a receiving cavity 112, a first slot S1 and a second slot S2. The first slot S1 and the second slot S2 are in communication with the receiving cavity 112. The housing 120 covers the insulative housing 110. The center terminal 130 has a contact portion 132, a protrusion portion 134 and a solder portion 136. The contact portion 132 is located in the receiving cavity 112 and is located, for example, at a central position of the receiving cavity 112. The outer diameter of the projection 134 is larger than the outer diameter of the contact portion 132 and the welded portion 136.

In this embodiment, the insulative housing 110 has an assembly opening 114 that communicates with the receiving cavity 112. The projection 134 has a face 134a, and the insulative housing 110 has a stop face 116 corresponding to the face 134a. When the center terminal 130 is assembled into the insulative housing 110, the contact portion 132 passes through the assembly opening 114 and is located in the receiving cavity 112, and the protruding portion 134 having a larger outer diameter is stopped in the assembly opening 114. At this time, the cut surface 134a is in contact with the stop surface 116 such that the center terminal 130 does not rotate relative to the assembly opening 114. Further, the center terminal 130 has a rod shape, for example. In the present embodiment, the projection 134, the contact portion 132, and the welded portion 136 are, for example, coaxial. However, in another embodiment not shown, the protrusion 134 may not be coaxial with the contact portion 132 or the solder portion 136 to enhance the center by the eccentric structure. The effect of positioning between the terminal 130 and the insulative housing 110.

In addition, the housing 120 can have a first engaging portion H1 on the side of the housing 120, and the insulative housing 110 can have a second engaging portion H2 corresponding to the first engaging portion H1. The relative position of the housing 120 and the insulative housing 110 is fixed. In addition, the insulative housing 110 can have two fixing ears 118 exposed from the housing 120 to facilitate assembly into electrical and electronic equipment (not shown).

3 is a front elevational view of the power connector of FIG. 1. Referring to FIG. 2 and FIG. 3 , the first conductive terminal 140 has a first holding portion F1 , a first terminal T1 and a second terminal T2 . The first holding portion F1 is connected to the first terminal T1 and the second terminal T2. The first terminal T1 and the second terminal T2 are respectively disposed in the first slot S1 and the second slot S2. In this embodiment, the insulative housing 110 is, for example, a quadrangular body, and the first slot S1 and the second slot S2 are located on the diagonal of the inner edge of the insulative housing 110, so that the first terminal T1 and the second terminal T2 are located on the insulative body. 110 on the virtual diagonal. Since the thickness of the four corners of the insulative housing 110 is greater than the thickness of the four sides, the structural strength of the insulative housing 110 is greater than that of the four sides, and can cope with higher-level overload tests.

In addition, the power connector 100 further includes a second conductive terminal 160, and is inserted into the third slot S3 and the fourth slot S4 in a ring-shaped arrangement with the first conductive terminal 140. The second conductive terminal 160 has a second holding portion F2, a third terminal T3 and a fourth terminal T4. The second holding portion F2 is connected to the third terminal T3 and the fourth terminal T4. In the embodiment shown in FIG. 2, the third slot S3 and the fourth slot S4 are located on the virtual diagonal of the inner edge of the insulative housing 110, so that the third terminal T3 and the fourth terminal T4 are assembled on the insulative housing 110. Correct Corner line. As shown in FIG. 3, the first terminal T1 and the third terminal T3 are opposite to each other and are symmetrical, and the second terminal T2 and the fourth terminal T4 are opposite to each other and are symmetrical.

Figure 4 is a cross-sectional view of Figure 3 taken along line A-A. Referring to FIG. 2 and FIG. 4, in the embodiment, the first terminal T1 and the second terminal T2 respectively have a first elastic portion E1 and a second elastic portion E2, and the first elastic portion E1 is different from the first elastic portion E1. The position of the two elastic portions E2 is raised. In other words, the extension lengths of the first terminal T1 and the second terminal T2 with respect to the first holding portion F1 (FIG. 1) are different. Since the terminal of the mating connector (not shown) can be provided with a groove, corresponding to the protruding position of the first elastic portion E1 or the second elastic portion E2, the power connector 100 can be connected to the mating connector by the first The elastic portion E1 or the second elastic portion E2 has an effect of interference fixation with the groove, and the contact area of the terminal can be increased by the second elastic portion E2 or the first elastic portion E1 that does not interfere with the groove.

Figure 5A is a cross-sectional view of Figure 3 taken along line B-B. Referring to FIG. 2 and FIG. 5A, the third terminal T3 and the fourth terminal T4 respectively have a third elastic portion E3 and a fourth elastic portion E4, and the protruding position of the third elastic portion E3 is opposite to the protruding position of the first elastic portion E1. correspond.

Figure 5B is a cross-sectional view of Figure 3 taken along line C-C. Referring to FIG. 2 and FIG. 5B, the fourth elastic portion E4 corresponds to the protruding position of the second elastic portion E2. That is to say, the position of the protrusion of the third elastic portion E3 is also different from the position of the protrusion of the fourth elastic portion E4.

6 is a schematic view of the power connector of FIG. 1 connected to a wire. Referring to FIG. 2 and FIG. 6 , the power connector 100 further includes a spacer 150 . The spacer 150 is disposed on the rear wall of the insulative housing 110 and has a positioning hole 152. The soldering portion 136 passes through the positioning hole 152 to position the center terminal 130 in the receiving cavity 112 Central location. In this embodiment, the rear end edge of the housing 120 has at least one fixed bend 122 (two are shown in FIG. 6), and the partition 150 is fixed by pressing or the like. In addition, in the embodiment, since the outer casing 120 is not punctured to fix the insulative housing 110, the structural strength of the insulative housing 110 is maintained.

In addition, the housing 120 can have a wire bond portion 126 that protrudes beyond the housing 120. The wire 52 and the wire 54 may be a live wire and a ground wire, respectively, and may be welded to the soldering portion 136 and the wire bonding portion 126 to supply power to the power connector 100. In the present embodiment, the portion of the welded portion 136 protruding from the positioning hole 150 may be semi-annular to facilitate welding the wire 52 within the diameter of the welded portion 136.

In addition, the first conductive terminal 140 may further have a first soldering portion W1 extending from the first holding portion F1, and the housing further has a second soldering portion 124. The first soldering portion W1 is exposed outside the housing 120 and disposed adjacent to the second soldering portion 124, so as to facilitate the grounding of the first soldering portion W1 and the second soldering portion 124 by soldering (not shown). effect. The second conductive terminal 160 may further have a third soldering portion W2 extending from the second holding portion F2, and the housing further has another second soldering portion 124. The third soldering portion W2 is exposed outside the housing 120 and adjacent to the other second soldering portion 124, so that the third soldering portion W2 and the other second soldering portion 124 are electrically connected through solder (not shown). Sexual connection to achieve grounding effect.

Further, the first soldering portion W1 and the third soldering portion W2 may also be bent and formed to be respectively press-fitted to the spacer 150 to fix the first conductive terminal 140, the second conductive terminal 160 and the spacer 150. Positional relationship. In addition, the two second soldering portions 124 may also be bent to fix the spacer 150 by pressing or the like. Although the first welded portion W1, the second welded portion 124, and the third welded portion W2 of the present embodiment are both pressed and pressed to the partition by bending 150, but in another embodiment not shown, the effect of facilitating welding can also be achieved without bending.

Figure 7 is a schematic cross-sectional view showing another embodiment of the present invention. Referring to FIG. 7 and FIG. 5A, the power connector 100 is insulated by axial displacement of the center terminal 130 by a stop portion B1 of the insulating body 110 and the spacer 150. The two stops B2, B3 of the body 210 limit the displacement of the center terminal 130 in the axial direction. From another perspective, the center terminal 130 can be fabricated with an insulative body 210 that can be subjected to an insert molding process. In this embodiment, the fixing bend 122 of the housing 120 can also fix the rear wall of the insulating body 210 by pressing or the like.

The power connector of the above embodiment can reduce the influence of the slot on the strength of the insulating body by providing the first terminal and the second terminal on the diagonal of the insulating body, so that the overall structural strength is better. Therefore, it can withstand higher specification overload tests. In addition, the power connector of the present invention fixes the partition or the insulating body by fixing the bending, and the insulating body is not fixed by the broken hole, and the overall strength can be maintained. In addition, the first elastic portion protruding position of the first terminal may be different from the second elastic portion protruding position of the second terminal, and the fixing effect with the mating connector may be increased or the contact area of the terminal may be increased.

However, the above description is only the preferred embodiment of the present invention, and it is not intended to limit the scope of patent protection of this creation. Therefore, the equivalent changes made by using this creation specification and the contents of the schema are all included in the right of this creation. Within the scope of protection, it is given to Chen Ming.

52, 54‧‧‧ wire

100‧‧‧Power connector

110‧‧‧Insulated body

112‧‧‧ containment chamber

114‧‧‧Assembly

116‧‧‧ stop surface

118‧‧‧Fixed ears

120‧‧‧shell

122‧‧‧Fixed bending

124‧‧‧Second welding department

126‧‧‧welding line

130‧‧‧Center terminal

132‧‧‧Contacts

134‧‧‧protrusion

134a‧‧‧faced

136‧‧‧Weld Department

140‧‧‧First conductive terminal

150‧‧‧Parts

152‧‧‧Positioning holes

160‧‧‧Second conductive terminal

E1‧‧‧First Elastic Department

E2‧‧‧Second elastic part

E3‧‧‧The third elastic part

E4‧‧‧4th Elastic Department

F1‧‧‧First Holding Department

F2‧‧‧Second Holding Department

H1‧‧‧First engagement department

H2‧‧‧Second Bonding Department

S1‧‧‧ first slot

S2‧‧‧ second slot

S3‧‧‧ third slot

S4‧‧‧fourth slot

T1‧‧‧ first terminal

T2‧‧‧second terminal

T3‧‧‧ third terminal

T4‧‧‧fourth terminal

W1‧‧‧First Welding Department

W2‧‧‧ Third Welding Department

B1, B2, B3‧‧‧ stop

FIG. 1 is a perspective view of a power connector according to an embodiment of the present invention.

2 is an exploded perspective view of the power connector of FIG. 1.

3 is a front elevational view of the power connector of FIG. 1.

Figure 4 is a cross-sectional view of Figure 3 taken along line A-A.

Figure 5A is a cross-sectional view of Figure 3 taken along line B-B.

Figure 5B is a cross-sectional view of Figure 3 taken along line C-C.

6 is a schematic view of the power connector of FIG. 1 connected to a wire.

Figure 7 is a schematic cross-sectional view showing another embodiment of the present invention.

100‧‧‧Power connector

130‧‧‧Center terminal

S1‧‧‧ first slot

S2‧‧‧ second slot

S3‧‧‧ third slot

S4‧‧‧fourth slot

T1‧‧‧ first terminal

T2‧‧‧second terminal

T3‧‧‧ third terminal

T4‧‧‧fourth terminal

Claims (10)

A power connector includes: an insulative housing, a receiving cavity, a first slot and a second slot, wherein the first slot and the second slot are in communication with the receiving cavity; The central body has a contact portion, a protruding portion and a soldering portion, wherein the contact portion is located in the receiving cavity, and the outer diameter of the protruding portion is larger than the contact portion and the soldering portion And a first conductive portion having a first holding portion, a first terminal and a second terminal, wherein the first holding portion is connected to the first terminal and the second terminal, wherein the first terminal The second terminal is disposed in the first slot and the second slot, respectively, such that the first terminal and the second terminal are located on a diagonal of the insulating body. The power connector of claim 1, wherein the housing has a plurality of fixed bends to fix the rear wall of the insulating body. The power connector of claim 1 or 2, wherein the first conductive terminal further has a first soldering portion extending from the first retaining portion, the housing further having a second soldering portion, wherein The first weld portion is exposed outside the casing and disposed adjacent to the second weld portion. The power connector of claim 1 or 2, wherein the first terminal and the second terminal respectively have a first elastic portion and a second elastic portion, the first elastic portion protruding position being different from the The second elastic portion protrudes. Such as the power connector described in claim 1 or 2, The device includes a partitioning member disposed on the rear wall of the insulating body and having a positioning hole, and the soldering portion passes through the positioning hole to position the center terminal at a central position of the receiving cavity. The power connector of claim 5, wherein the housing has a plurality of fixed bends to fix the partition. The power connector of claim 1 or 2, wherein the center terminal has a rod shape, and the protrusion is not coaxial with the contact portion or the welded portion. The power connector of claim 1 or 2, wherein the housing has a wire bonding portion that protrudes beyond the housing. The power connector of claim 1 or 2, further comprising: a second conductive terminal arranged in a ring shape with the first conductive terminal and having a second holding portion, a third terminal and a fourth The third holding portion is connected to the third terminal and the fourth terminal, and the insulating body further has a third slot and a fourth slot, wherein the third terminal and the fourth terminal are respectively disposed on In the third slot and the fourth slot, the third terminal and the fourth terminal are located on a diagonal of the insulating body. The power connector of claim 9, wherein the first terminal, the second terminal, the third terminal, and the fourth terminal respectively have a first elastic portion, a second elastic portion, and a first a third elastic portion and a fourth elastic portion, the third elastic portion protruding position is different from the fourth elastic portion protruding position, the third elastic portion protruding position corresponding to the first elastic portion protruding position, the fourth elastic portion Corresponding to the position of the second elastic portion protrusion.