TWI666831B - A pad positioning assembly of an electrical connector - Google Patents

Abstract

A rubber pad positioning assembly for an electrical connector includes: a positioning portion formed on an outer side wall of a rubber pad; and a corresponding positioning portion formed on an inner side wall of a plastic box, the positioning portion and the corresponding positioning portion are provided When the rubber pad is embedded in the plastic box, it reaches a completion position through a temporary positioning position. At the temporary positioning position, the positioning portion abuts the corresponding positioning portion to temporarily position the rubber pad in the plastic box. And forming a deformation gap between the positioning portion and the corresponding positioning portion to allow deformation of the rubber pad and the positioning portion when the terminal passes through the rubber pad, at the embedding completion position, at the positioning portion An interference is formed with the corresponding positioning portion, so that the positioning portion is closely attached to the corresponding positioning portion, so that a liquid-tight state is formed between the rubber pad and the plastic box.

Description

Rubber pad positioning component of electric connector

The invention relates to an electrical connector, in particular to a rubber pad positioning component of the electrical connector.

An electrical connector is an electronic component that provides electrical connection between any two components in an electronic system. Electrical connectors are used for a wide range of purposes. Electrical connectors, such as power transmission, signal transmission, or data transmission, are commonly used for electronic devices.

General electrical connectors consist of a body (plastic box) and terminals. In order to make the electrical connector have a waterproof function, there are already electrical connector manufacturers who have embedded a waterproof rubber pad in the plastic box of the electrical connector to make the electrical connector waterproof. The waterproof rubber pad is first embedded in the plastic box of the electrical connector, and after positioning in the plastic box, the terminal passes through the waterproof rubber pad.

The waterproof rubber pad is deformed when the terminal passes through. However, the internal structure of the plastic box of the conventional electrical connector does not have enough space to accommodate the deformed volume of the waterproof rubber pad. When the terminal passes through the waterproof rubber pad, the waterproof rubber pad is in contact with the inner wall of the plastic box. Damage caused by friction with each other causes the waterproof function of the electrical connector to fail.

Therefore, an object of the present invention is to provide a rubber pad positioning assembly for an electrical connector, which will not cause the waterproof rubber pad to be damaged when the terminal passes through the waterproof rubber pad.

According to an embodiment of the present invention, a rubber pad positioning component of an electrical connector is provided. The electrical connector includes a plastic box, a rubber pad, and at least one terminal. Space, the rubber pad is embedded in the rubber pad embedding space along an embedding direction in such a manner that the outer side wall of the rubber pad is in contact with the inner side wall of the plastic box, and the terminal passes through the rubber pad to The plastic box extends, wherein the rubber pad positioning component includes: a positioning portion formed on an outer side wall of the rubber pad; and a corresponding positioning portion formed on an inner side wall of the plastic box, wherein the positioning portion and the corresponding portion The positioning portion is set so that the rubber pad is embedded in the insertion direction to reach an installation completion position through a temporary positioning position, wherein the positioning portion is abutted against the insertion direction in the temporary positioning position. The rubber pad is temporarily positioned relative to the plastic case corresponding to the positioning portion, and a deformation gap is formed between the positioning portion and the corresponding positioning portion to allow the terminal to pass through the rubber pad and The deformation of the positioning part is The completion position is set, and an interference is formed between the positioning portion and the corresponding positioning portion, so that the positioning portion closely fits the corresponding positioning portion, so that a liquid-tight state is formed between the rubber pad and the plastic box and positioned at The plastic box.

According to an embodiment of the present invention, a rubber pad positioning assembly for an electrical connector is provided, wherein the corresponding positioning portion includes a plurality of inner wall grooves and a plurality of inner wall protrusions alternately formed along the embedding direction, and the positioning portion includes A plurality of outer side wall protrusions and a plurality of outer side wall grooves alternately formed along the embedding direction, in the temporary positioning position, each of the outer side wall protrusions in the embedding direction respectively abuts an individual inner side wall protrusion, and Each of the outer side wall protrusions corresponds laterally to an individual inner side wall groove, each of the outer side wall grooves corresponds laterally to an individual inner side wall protrusion, and each of the outer side wall protrusions corresponds to a corresponding one of the inner side wall grooves. The deformation gap is formed between the inner side wall grooves and / or between each of the inner side wall protrusions and the corresponding outer side wall grooves. At the embedded completion position, each of the outer side wall protrusions respectively corresponds laterally to Individual inner side wall protrusions form an interference between each of the outer side wall protrusions and a corresponding inner side wall protrusion.

According to an embodiment of the present invention, a rubber pad positioning assembly for an electrical connector is provided, wherein the corresponding positioning portion is formed on an inner side wall of the plastic box along an inclined direction inclined with respect to the embedding direction, so that the The rubber pad embedding space has a tapered shape along the embedding direction, and the positioning portion is formed on the outer sidewall of the rubber pad along the inclined direction.

According to an embodiment of the present invention, a rubber pad positioning assembly for an electrical connector is provided, wherein the plurality of inner side wall protrusions of the corresponding positioning portion are arranged at equal intervals along the embedding direction at a predetermined pitch, and The plurality of protrusions on the outer side wall of the positioning portion are arranged at equal intervals along the embedding direction at the preset pitch.

According to an embodiment of the present invention, a rubber pad positioning assembly for an electrical connector is provided, wherein the plurality of protrusions on the outer side wall of the positioning portion are annular protrusions surrounding the rubber pad, respectively.

According to an embodiment of the present invention, a rubber pad positioning assembly for an electrical connector is provided, wherein the plurality of outer side wall protrusions of the positioning portion are arc-shaped protrusions protruding from the rubber pad in a circular arc shape, respectively. Raised.

In one embodiment of the present invention, a rubber pad positioning assembly for an electrical connector is provided. The rubber pad positioning assembly further includes a back cover and a two-segment buckle member. The back cover is located on the rear end surface of the rubber pad and is used for Push the rubber pad forward and backward so that the rubber pad passes the temporary positioning position along the embedding direction to reach the installation completion position, and the two-section fastening member is disposed on the outer side wall of the back cover and the plastic box. Between the inner side walls, the two-section fastening members are set to position the back cover and the plastic box at the temporary positioning position and the embedded completion position, respectively.

According to an embodiment of the present invention, a rubber pad positioning assembly for an electrical connector is provided, wherein the two-section fastening member includes a fastener and two fasteners, and the fastener is disposed on the back cover. On the outer side wall, two fasteners are arranged on the inner side wall of the plastic box and spaced back and forth in the embedding direction. At the temporary positioning position, the fastener is interlocked with one of the fasteners and is inserted in the inlay. In the completed position, the fastener is displaced forward along the embedding direction and is fastened with another fastener.

The technical effects of the rubber pad positioning component of the electrical connector of the present invention are as follows. In the temporary positioning position, the positioning portion abuts the corresponding positioning portion, and the deformation gap is formed between each of the inner side wall protrusion and the corresponding outer side wall groove. When the terminal passes through the rubber pad, The deformation space can accommodate the deformed portion of the rubber pad and the positioning portion. Therefore, when the terminal passes through the rubber pad, the present invention can prevent the rubber pad and the inner wall of the plastic box from rubbing against each other, and prevent the rubber pad from being damaged to affect the waterproof function of the electrical connector. In addition, at the completion position of the embedding, the positioning portion is closely attached to the corresponding positioning portion, so that a liquid-tight state is formed between the rubber pad and the plastic box, so that the electrical connector can have a good waterproof function. .

1‧‧‧ plastic box

11‧‧‧Corresponding positioning section

111‧‧‧inner wall groove

112‧‧‧ raised inner wall

2‧‧‧ rubber pad

21‧‧‧Positioning Department

211‧‧‧ raised outside wall

212‧‧‧outer groove

3‧‧‧ back cover

4‧‧‧Two-Segment Fastener

41‧‧‧ Fastener

42‧‧‧Fastened

B‧‧‧ rear face

C‧‧‧electrical connector

D‧‧‧ Embedded direction

S‧‧‧ rubber cushion embedded space

T‧‧‧terminal

V‧‧‧ Deformation gap

[Fig. 1a] is a schematic perspective view showing an electrical connector according to an embodiment of the present invention; [Fig. 1b] is a perspective schematic view showing another angle of an electrical connector according to an embodiment of the present invention; FIG. 3 is an exploded perspective view showing a rubber pad positioning component of an electrical connector according to an embodiment of the present invention; FIG. 3 is a rubber pad positioning component of an electrical connector according to an embodiment of the present invention in a temporary positioning position. [FIG. 4] is a schematic cross-sectional view showing the rubber pad positioning assembly of the electrical connector according to the embodiment of the present invention at the embedded completion position.

Embodiments of the present invention will be described below with reference to Figs. 1a to 4. This description is not intended to limit the embodiment of the present invention, but is an example of the embodiment of the present invention.

As shown in FIG. 1a to FIG. 2, according to an embodiment of the present invention, an electrical pad positioning assembly of an electrical connector. In the embodiment, an electrical connector C includes a plastic box 1, a rubber pad 2 and At least one end Child T. The inner side wall of the plastic box 1 forms a rubber pad embedding space S, and the rubber pad 2 is embedded along the embedding direction D in such a manner that the outer side wall of the rubber pad 2 and the inner side wall of the plastic box 1 are in close contact In the rubber pad embedding space S. The terminal T passes through the rubber pad 2 and extends from the plastic box 1.

Please refer to FIG. 3. In this embodiment, the rubber pad positioning component of the electrical connector includes a corresponding positioning portion 11 formed on an inner side wall of the plastic case 1, and a positioning portion 11 formed on an outer side wall of the rubber pad 2. A positioning section 21. The corresponding positioning portion 11 and the positioning portion 21 are arranged so that the rubber pad 2 is embedded in the rubber pad insertion space S along the insertion direction D to reach a temporary positioning position.

As shown in FIG. 3, the corresponding positioning portion 11 includes a plurality of inner wall grooves 111 and a plurality of inner wall protrusions 112 alternately formed along the embedding direction D. The corresponding positioning portion 11 is formed on the inner side wall of the plastic case 1 along an inclined direction inclined with respect to the embedding direction D, so that the rubber pad embedding space S is tapered along the embedding direction D. In addition, the plurality of the inner wall protrusions 112 of the corresponding positioning portion 11 are arranged at a predetermined interval and are equidistant from each other along the embedding direction D.

As shown in FIG. 2 and FIG. 3, the positioning portion 21 is formed on the outer sidewall of the rubber pad 2 along the inclined direction. The positioning portion 21 includes a plurality of outer side wall protrusions 211 and a plurality of outer side wall grooves 212 alternately formed along the embedding direction D. The plurality of outer side wall protrusions 211 of the positioning portion 21 are arranged at equal intervals along the embedding direction D at a predetermined pitch. The plurality of protrusions 211 on the outer side wall are respectively annular protrusions surrounding the rubber pad 2. In addition, the plurality of outer side wall protrusions 211 of the positioning portion 21 are arc-shaped protrusions protruding from the rubber-shaped pad 2 in a circular arc shape, respectively.

Furthermore, as shown in FIG. 3, in the temporarily positioned position, each of the outer side wall protrusions 211 abuts against the respective inner side wall protrusions 112 in the embedding direction D, and each of the outer side wall protrusions 211 respectively The lateral sides correspond to the individual inner side wall grooves 111, and each of the outer side wall grooves 212 corresponds to the respective inner side wall protrusions 112, and the outer side wall protrusions 211 and the corresponding inner side wall grooves are respectively concave. A deformation space V is formed between the grooves 111 and / or between each of the inner sidewall protrusions 112 and the corresponding outer sidewall groove 212. In the present embodiment, the deformation gap V is formed on each of the inner sidewall protrusions 112 and opposite to each other. Correspondingly, the outer sidewall grooves 212 are formed to accommodate the deformed portion of the rubber pad 2 when the terminal T passes through.

As shown in FIG. 2 to FIG. 4, in this embodiment, the electrical connector C further includes a back cover 3 and a two-section fastening member 4. The back cover 3 is abutted on the rear end surface B of the rubber pad 2, and is used to push the rubber pad 2 from back to front, so that the rubber pad 2 is embedded in the rubber pad insertion space S along the insertion direction D. The two-section fastening member 4 is disposed between the outer side wall of the back cover 3 and the inner side wall of the plastic box 1, so as to position the rubber pad 2 in the plastic box 1. The two-section fastening member 4 includes a fastening member 41 and two receiving members 42. In this embodiment, the fastener 41 is a latch and is provided on the outer side wall of the back cover 3; the fastener 42 is a long slot, and two fasteners 42 are provided on the plastic box. The inner side wall of 1 is spaced forward and backward from the embedding direction D.

As shown in FIG. 3, in the temporary positioning position, specifically, the rubber pad 2 reaches the temporary positioning position by pushing the back cover 3 forward and backward along the embedding direction D, and the fastener 41 It is interlocked with the receiving member 42 to position the rubber pad 2 and the plastic box 1 at the temporary positioning position. Wherein, in the temporary positioning position, the positioning portion 21 abuts the corresponding positioning portion 11 in the embedding direction D, so that the rubber pad 2 is temporarily positioned relative to the plastic box 1. Moreover, when the terminal T passes through the rubber pad 2, the deformation gap V formed between the positioning portion 21 and the corresponding positioning portion 11 can accommodate the rubber pad 2 and the deformed portion of the positioning portion 21.

As shown in FIG. 4, the rubber pad 2 is pushed back and forth along the embedding direction D by the back cover 3 to reach an installation completion position in the rubber pad insertion space S, and the fastener 41 is displaced forward along the embedding direction D and is interlocked with the other receiving member 42 so that the rubber pad 2 and the plastic box 1 are positioned at the embedding completion position. Wherein, an interference is formed between the positioning portion 21 and the corresponding positioning portion 11, so that the positioning portion 21 closely adheres to the corresponding positioning portion 11, and a liquid-tightness is formed between the rubber pad 2 and the plastic case 1. State and positioned in the plastic box 1.

With the above structure, the rubber pad positioning component of the electrical connector of the present invention is in the temporary positioning position, the positioning portion 21 abuts against the corresponding positioning portion 11, and each of the inner side wall protrusions 112 and the corresponding outer side wall The deformation space V formed between the grooves 212 is used to accommodate the deformed portion of the rubber pad 2 and the positioning portion 21 when the terminal T is passed through. The deformed portion is generated because the terminal T is passed through. The rubber pad 2 sometimes causes the rubber pad 2 and the positioning portion 21 to expand toward the inner side wall of the plastic box 1. Therefore, when the terminal T is passed through the rubber pad 2, the present invention can reduce the friction between the outer side wall of the rubber pad 2 and the inner side wall of the plastic box 1, and prevent the rubber pad 2 from being damaged due to friction. , Will not cause the waterproof function of the electrical connector C to fail. In addition, at the completion position of the embedding, since the positioning portion 21 is closely attached to the corresponding positioning portion 11, a liquid-tight state is formed between the rubber pad 2 and the plastic case 1, so that the electrical connector C can have good waterproof function.

The above descriptions and descriptions are merely illustrations of the preferred embodiments of the present invention. Those with ordinary knowledge of this technology may make other modifications based on the scope of the patent application defined below and the above description, but these modifications should still be made. It is the spirit of the present invention and is within the scope of the present invention.

Claims (8)

A rubber pad positioning component of an electrical connector. The electrical connector includes a plastic box, a rubber pad, and at least one terminal. An inner side wall of the plastic box forms a rubber pad embedding space, and the rubber pad is along an embedding direction. The rubber pad is embedded in the rubber pad embedding space in such a manner that the outer wall of the rubber pad is in close contact with the inner wall of the plastic box, and the terminal is extended from the plastic box through the rubber pad, wherein the rubber pad The positioning component includes: a positioning portion formed on an outer side wall of the rubber pad; and a corresponding positioning portion formed on an inner side wall of the plastic box, wherein the positioning portion and the corresponding positioning portion are set to make the rubber pad When inserting along the embedding direction, it is to reach an installation completion position through a temporary positioning position, wherein in the temporary positioning position, the positioning portion is abutted against the corresponding positioning portion in the embedding direction to make the rubber pad relative to The plastic box is temporarily positioned, and a deformation gap is formed between the positioning portion and the corresponding positioning portion to allow the terminal to deform the rubber pad and the positioning portion when the terminal is passed through the rubber pad. Completion position, where Corresponding to the interference formed between the positioning portion, so that the positioning portion corresponds to the close contact with the positioning portion, so that the pads form a liquid-tight state between the adhesive and positioned in the box and the plastic cartridge. The rubber pad positioning assembly according to claim 1, wherein the corresponding positioning portion includes a plurality of inner wall grooves and a plurality of inner wall protrusions alternately formed along the embedding direction, and the positioning portion includes alternately formed along the embedding direction A plurality of outer side wall protrusions and a plurality of outer side wall grooves, in the temporarily positioned position, each of the outer side wall protrusions abuts against an individual inner side wall protrusion in the embedding direction, and each of the outer side wall protrusions is respectively Laterally corresponds to the individual inner wall groove, each outer wall groove corresponds to a respective inner wall protrusion, and between each outer wall protrusion and the corresponding inner wall groove and / Or the deformation gap is formed between each of the inner side wall protrusions and the corresponding outer side wall grooves, and at the embedding completion position, each of the outer side wall protrusions respectively laterally corresponds to the individual inner side wall protrusions And an interference is formed between each of the outer sidewall protrusions and the corresponding inner sidewall protrusion. The rubber pad positioning assembly according to claim 2, wherein the corresponding positioning portion is formed on an inner side wall of the plastic box along an inclined direction inclined with respect to the embedding direction, so that the rubber pad embedding space is along the embedding. The positioning portion has a tapered shape, and the positioning portion is formed on the outer side wall of the rubber pad along the inclined direction. The rubber pad positioning assembly according to claim 2, wherein the plurality of inner side wall protrusions corresponding to the positioning portion are arranged at a predetermined interval and equidistant from each other in the embedding direction, and the plurality of the outer portions of the positioning portion The wall protrusions are arranged at equal intervals along the embedding direction at the preset pitch. The rubber pad positioning assembly according to claim 2, wherein the plurality of outer side wall protrusions of the positioning portion are annular protrusions surrounding the rubber pad, respectively. The rubber pad positioning assembly according to claim 5, wherein the plurality of outer side wall protrusions of the positioning portion are arc-shaped protrusions that respectively protrude from the rubber pad. The rubber pad positioning assembly according to claim 1 or 2, further comprising a back cover and a two-section fastening member, the back cover is arranged on the rear end face of the rubber pad and is used to push forward from the back to the A rubber pad, so that the rubber pad passes the temporary positioning position in the embedding direction to reach the installation completion position, and the two-section fastening member is disposed between the outer side wall of the back cover and the inner side wall of the plastic box, The two-segment fastening members are set to respectively position the back cover and the plastic box in the temporary positioning position and the embedding completion position. The rubber pad positioning assembly according to claim 7, wherein the two-section fastening member includes a fastener and two fasteners, and the fasteners are disposed on the outer side wall of the back cover, and two of the fasteners The fasteners are disposed on the inner side wall of the plastic box and spaced back and forth in the embedding direction. At the temporary positioning position, the fastener is interlocked with one of the fasteners. At the completion of the installation, the fastener is along the The inserting direction is shifted forward to be interlocked with another fastener.