CN2547034Y - Improved structure of plug connector - Google Patents

Abstract

The utility model relates to an improved structure of plug connector, mainly include an insulating housing and plural terminals, plural terminals utilize the fixed hook block of its U-shaped interference body apical margin to be in the relative position in every terminal numerical aperture of insulating housing top surface, in the fixed orifices that have down, be used for preventing the terminal slippage backward, utilize the circular arc enlargement part block of its apical margin of terminal again to make on the constant head tank, the lower arch establishes a pair of opposite directions and has the inboard of the appropriate high inverted L shape flange to clamp, be used for preventing the ascending perk-up of the first contact site of terminal; the clamping surface of the second contact part of the other terminal forms a downward opening form, when the other terminal is inserted into the other connector, the other terminal forms a forward insertion, and a connecting rib and a supporting rib are continuously arranged between the bottom sides of the other terminal, so that the other terminal has elastic movement to prevent the other terminal from loosening.

Description

An improved structure of a plug connector

technical field

The utility model relates to electrical appliances, in particular to a connector combined with an insulating shell and a plurality of terminals. It forms a forward plug when inserted, and makes the structure of the terminal more solid and not easy to be deformed and damaged. It has better elastic activity and is not easy to be loosened by vibration.

Background technique

Common plug connectors, as shown in Figure 1 and Figure 2, wherein, as far as the characteristics of its terminal 2 are concerned, it mainly has a first contact part 20, which is accommodated in a positioning groove 1010; a second contact part 21 It is integrated with the first contact part 20; the second contact part 20 is provided with an interference body 210 to interfere with the terminal receiving hole 12; as shown in Figure 3, the common terminal 1 has a base part 11 and a coupling part 12. The connection part 12 is extended from the base part 11, and its two sides are provided with a pair of fastening tabs 121, 121', which are equivalent to the interference body 210; as shown in Figure 4, the structure of the common terminal 3 includes a base part 31 equivalent to the first contact Part 20, and a coupling portion 32 are equivalent to the second contact portion 21, and a pair of fastening tabs 321, 321' are provided on both sides of the tail end of the coupling portion 32 near the base 31, and the tabs 321, 321' are fastened There are also sharp teeth 322, 322' equivalent to the interference body 210; in summary, the common plug connector has the following defects: first, the top edge of the U-shaped interference body of the terminal 2 is formed with concave and convex for interference fit The body 2101 is clamped on the inner wall of the top surface of the terminal receiving hole 12, so when plugging in with the mated plug connector, it is inevitable that the terminal 2 is easy to slip backward; the second is to narrow the neck 201 at the top edge of the terminal 2 The first contact part 20 of the terminal 2 is easily tilted upward due to the external force of insertion, and the first contact part 20 of the terminal 2 is only to fit on the notch 1011 of the positioning groove 1010; the third is to form an upward opening between the sandwiching surfaces of the second contact part 21 form, when it is inserted into another connector, it forms a reverse insertion, and forms a suspended state between its openings, which is easy to damage and deform; fourth, it is integrated with the U-shaped interference 210 on the rear side of the clamping surface 211 to make it elastic Insufficient activity, this common plug connector is in urgent need of improvement.

Utility model content

The purpose of this utility model is to provide an improved structure of a plug connector for the shortcomings of the above-mentioned common plug connector, which consists of an insulating shell and a plurality of terminals, wherein the top surface of the insulating shell accommodates An inverted L-shaped fixing hole is provided on the upper and lower sides of the relative position of the hole, and a pair of inverted L-shaped flanges with appropriate height and facing each other are protruded on the upper and lower sides of each positioning slot. The top edge is a straight end surface, and its top edge is slightly shorter than the top edge of the inverted L-shaped flange, and a stepped opening is provided on the end surface near the top edge; the above-mentioned plural terminals are provided on the top edge of the first contact part There is a stepped circular arc expansion part protruding to both sides, and the two sides of the first contact part at the rear edge of the circular arc expansion part are set as flush end faces, while the end face of the U-shaped interference body at the second contact part A fixed hook is formed on the top, and the two sides of the U-shaped interference body and the clamping surface formed as a downward opening form are separated by an appropriate distance, and the bottom side of the opening between the clamping surfaces is followed. There is a connecting rib, and vertically connected supporting ribs are arranged between the connecting rib and the U-shaped interference body.

Description of drawings

FIG. 1 is a three-dimensional exploded schematic diagram of a common plug connector.

FIG. 2 is a schematic perspective view of a common plug connector assembly.

FIG. 3 is a schematic perspective view of a terminal of a common plug connector.

FIG. 4 is a three-dimensional schematic diagram of a terminal of another common plug connector.

Fig. 5 is a three-dimensional exploded schematic view of the utility model.

Fig. 6 is a perspective view of the combination of the utility model.

FIG. 7 is a three-dimensional schematic diagram of a terminal of the present invention.

Fig. 8 is a schematic front view of a terminal of the present invention.

Fig. 9 is a schematic side view of a terminal of the present invention.

FIG. 10 is a schematic front view of the terminal assembled in the insulating case of the present invention.

FIG. 11 is a schematic top view of the terminal assembled in the insulating case of the present invention.

Detailed ways

As shown in accompanying drawings 5 to 9, the utility model includes an insulating housing 4 and a plurality of terminals 5, wherein the insulating housing 4 is a long rectangular body with a butt joint surface 40 and an insertion surface 41, and the butt joint surface 40 A central insertion body 401 is protruded above, and a plurality of positioning slots 4010 are provided on the central insertion body 401, and a plurality of terminal receiving holes 42 corresponding to the positioning slots 4010 are provided through the insertion surface 41 and the mating surface 40; An inverted L-shaped fixing hole 43 is respectively arranged on the upper and lower sides of each terminal receiving hole 42 on the top surface of the insulating housing 4, and a pair of suitable tools are respectively protruded on the upper and lower sides of each positioning groove 4010. The height and facing inverted L-shaped flanges 44, 44' are provided with a straight end surface at the top edge of each positioning groove 4010, and its top edge is slightly shorter than the top edge of the inverted L-shaped flanges 44, 44'. A stepped opening 45 is provided on the end surface of the top edge; each terminal of the plurality of terminals 5 has a first contact portion 50, and a second contact portion 51 that is integrated with the first contact portion 50 and has a clamping effect, wherein The first contact part 50 is accommodated in the positioning groove 4010, and the second contact part 51 is provided with a pair of upwardly bent interference body 510 and clamping surface 511, which cooperate with the terminal receiving hole 42; in the first contact part 50 The top edge is provided with a stepped circular arc enlarged portion 501 protruding to both sides, and the both sides of the first contact portion 50 at the trailing edge of the circular arc enlarged portion 501 are set as flush end faces, A fixed hook 5101 is formed on the end surface of the U-shaped interference body 510 of the part 51, and the two sides of the U-shaped interference body 510 and the sandwiching surface 511 formed as a downward opening are separated by an appropriate distance, and A connecting rib 52 spans between openings on the bottom side of the sandwiching surface 511 , and a supporting rib 53 vertically connected between the connecting rib 52 and the U-shaped interference body 510 is provided.

As shown in accompanying drawings 10 to 13, after the utility model is assembled, the fixing hook 5101 on the end surface of the U-shaped interference body 510 of the terminal 5 is used to snap into the inverted L-shaped fixing hole 43 of the insulating housing 4 for use in Prevent the terminal 5 from slipping backwards; at the same time, the arc enlarged part 501 of the top edge of the terminal 5 is clamped on the bottom side of the inverted L-shaped flange 44, 44' to prevent the first contact part of the terminal 5 50 is tilted upwards, and because the clamping surface 511 is in the form of a downward opening, it forms a forward insertion when it is inserted into another connector, and at the same time, a connecting rib 52 and a supporting rib 53 are connected between the bottom side of the opening It has a structural reinforcing effect, so the clamping surface 511 is not easily deformed and damaged; and the clamping surface 511 is separated from the U-shaped interference body 510 on the rear side by an appropriate distance, and has a better elastic activity. It can buffer large external force vibration without loosening.

Claims (1)

1, a kind of structure-improved of pin connector, comprise an insulator and plural terminals, wherein, this insulation shell is a long cuboid, have interface and plug surface, be convexly equipped with central plant body on the interface, this central authorities' plant body is provided with plural location notch, other is provided with through plug surface and interface, and the plural terminals accepting hole corresponding with location notch; And each terminal of this plural terminals has first contact site, and be connected one with first contact site and second contact site with clamping effect, wherein first contact site is to be located in location notch, be provided with the interference solid of upwards bending and insert and put face and second contact site is a pair of, cooperate with terminal accommodating, it is characterized in that: on the relative position of each terminal accommodation holes of this insulation shell end face, respectively be provided with down one and fall L shaped fixing hole, again on each location notch, following bilateral respectively be convexly equipped with a pair of tool suitably height and in opposite directions fall L shaped flange, be provided with a straight end face at each location notch apical margin in addition, its apical margin slightly is shorter than down the apical margin of L shaped flange, is provided with a stepped opening again on the end face of its location notch apical margin; In the circular arc expansion section that the first contact site apical margin of each terminal is provided with a stairstepping and protrudes to bilateral, the bilateral of first contact site behind this circular arc expansion section is provided with flush face in addition, and be formed with the stay hook of secure fit on the end face of the U-shaped interference solid of its second contact site, be to separate a suitable spacing at its U-shaped interference solid and the bilateral of the face that inserts and puts that forms a downward opening form in addition, and be connected to a connection rib, and between this connection rib and U-shaped interference solid, be provided with the ribs of a vertical connection at its opening span that inserts and puts the face bottom side.

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