CN201369410Y - Upper-insertion double-row female connector - Google Patents

Abstract

The utility model relates to the technical field of connectors, and in particular to a top-insertion double-row female connector, which comprises a plastic body and a plurality of pin rows, wherein the plurality of pin rows are arranged in double rows and mounted on the plastic body, wherein the pin rows comprise a contact end and a welding end connected as one body, wherein the contact end is inserted into a pin row hole provided on the plastic body and matched with the contact end, wherein the pin row hole is a countersunk hole provided downward from the upper end face of the plastic body, wherein the plastic body is provided with a clamping hole for clamping the contact end between the bottom face of the pin row hole and the lower end face of the plastic body, wherein the clamping hole communicates with the pin row hole and the lower end face of the plastic body, and the welding end passes through the clamping hole and out of the lower end face of the plastic body; the utility model has the advantages that the plastic body is firmly connected to the pin row, the holding force of the plastic body is high, the stability is good, and the plastic body is not easily taken out.

Description

Up plug double row female connector

Technical field:

The utility model relates to the technical field of connectors, in particular to a plug-in double-row female connector.

Background technique:

A connector is a connecting element used for power and electronic signals, which is electrically connected by a mechanical method. Connectors are widely used in various electronic equipment, communication equipment, instrumentation, intelligent program-controlled equipment, lighting equipment, alarm devices, household appliances and various power supply products, including monitors, computer motherboards, program-controlled switches, digital cameras, MP4, All kinds of mobile storage disks, cordless telephones, walkie-talkies, mobile phones, digital home appliances and electronic toys, etc., provide precise and reliable electrical connections for various products.

Connectors are divided into: 1. Concentric connector, concentric connector is a small plug socket connector, which is small in size and has the function of switch. It is suitable for low-frequency circuits, and is mostly used for earphones, microphones and external power supplies. In the wiring; second, the strip connector, the number of leads of the strip connector is generally less than dozens, which is suitable for the circuit connection of the printed circuit board and the device in the device; three, the ribbon cable connector, The socket of the ribbon cable connector is directly welded on the printed circuit board. The plug and the ribbon cable are pierced and crimped, which can be completed at one time. The contact is reliable and easy to use. It is suitable for the connection of instrumentation circuits; 4. Circular connector , The circular connector has the characteristics of small size and high reliability, which can meet the needs of cable connection between electronic equipment; five, rectangular connector, the rectangular connector is generally equipped with a locking device, mainly used for electronic equipment, intelligent instruments Electrical connections for instruments and electronic control equipment; six, water pressure-resistant sealed connectors, which are mostly circular connectors, suitable for circuit connections working in water or in harsh environmental conditions; seven, radio frequency coaxial connectors, radio frequency The coaxial connector has the characteristics of small size, light weight, and convenient use. It is suitable for connecting radio frequency cables in high frequency circuits of radio equipment and electronic instruments.

There is an existing double-row female connector for printed circuit boards (PCB boards), which includes a plastic body and several row pins, and several row pins are arranged in double rows and installed on the plastic body. The row pins include The contact end and the welding end are connected as one. The contact end is inserted into the pin row hole matched with the contact end opened on the plastic body. On the PCB board; the double-row female connector adopts this structure, and the pin header is installed together with the plastic body in a down-plug type, that is, the pin header is inserted into the plastic body from the lower end of the plastic body, because the connection between the plastic body and the pin header is not strong enough , The holding force of the plastic body is low, and the stability is poor. When the male connector inserted into the contact end of the double-row female connector is pulled out, the plastic body is easily taken out by the male connector, causing product damage.

Utility model content:

The purpose of this utility model is to provide a plug-in double-row female connector aiming at the deficiencies of the prior art. The plastic body of this connector is firmly connected with the pin row, and the plastic body has high retention force and good stability. Not easy to get out.

In order to achieve the above purpose, the utility model is realized through the following technical solutions: an upper plug-in double-row female connector, which includes a plastic body and a number of pin rows, and several row pins are arranged in double rows and installed on the plastic body. It includes a contact end and a welding end that are connected as one. The contact end is inserted into the pin row hole that matches the contact end on the plastic body. The body is located between the bottom surface of the pin hole and the lower surface of the plastic body, and there is a clamping hole that can hold the contact end. The clamping hole connects the pin row hole and the lower surface of the plastic body, and the welding end passes through the clamping hole to pass through the lower surface of the plastic body. .

The locking hole is in the shape of an inverted tapered hole.

The hole of the row of pins is chamfered at the opening of the upper end surface of the plastic body.

The contact end is provided with barbs.

The row centerline spacing PH of double rows of pins is 2.54±0.20mm, and the row centerline spacing ZH of each adjacent row of pins is 2.54±0.10mm.

The height H of the plastic body is 6.80±0.15mm.

The width W of the plastic body is 5.80±0.15mm.

The beneficial effects of the utility model are: the upper plug-in double-row female connector described in the utility model, the pin hole is a countersunk hole opened downward from the upper end surface of the plastic body, and the plastic body is located at the bottom surface of the pin row hole and the lower end surface of the plastic body There is a clamping hole between which the contact end can be clamped. The clamping hole is connected to the pin hole and the lower end surface of the plastic body. The welding end passes through the clamping hole to pass through the lower end surface of the plastic body and is welded to the PCB board; Double-row female connector, the pin row is installed together with the plastic body in an upward plug-in type, that is, the pin row is inserted into the plastic body from the upper end of the plastic body, and the locking hole can clamp the contact end to prevent the plastic body from being taken out, so , the utility model has the advantages of firm connection between the plastic body and the pin row, high retention force of the plastic body, and good stability. When the male connector inserted into the pin row contact end of the connector is pulled out, the plastic body is not easily Connector brought out.

Description of drawings:

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the top view of the utility model;

Fig. 3 is A-A sectional view of Fig. 2;

Fig. 4 is a sectional view of the plastic body of the present invention.

Detailed ways:

Below in conjunction with accompanying drawing, the utility model is further described:

As shown in Figures 1 to 4, the upward plug-in double-row female connector includes a plastic body 1 and several pin rows 2, and several pin rows 2 are arranged in double rows on the plastic body 1, and the pin rows 2 Including the contact end 3 and the welding end 4 connected as one, the contact end 3 is inserted into the pin row hole 6 matched with the contact end 3 opened on the plastic body 1, and the pin row hole 6 is from the upper end surface of the plastic body 1 The counterbore opened downward, the plastic body 1 is located between the bottom surface of the pin row hole 6 and the lower end surface of the plastic body 1, and there is a locking hole 7 that can hold the contact end 3, and the locking hole 7 is connected to the pin row hole 6 and the plastic body 1 lower end surface, the welding end 4 passes through the locking hole 7 and passes out the lower end surface of the plastic body 1 .

In this embodiment, the clamping hole 7 is in the shape of an inverted tapered hole, and the cross-sectional area of the clamping hole 7 is smaller than that of the pin row hole 6, which can effectively play the role of clamping the contact end 3 and preventing plastic Body 1 is brought out.

In this embodiment, the pin row hole 6 is chamfered at the opening on the upper surface of the plastic body 1. This opening structure can be easily inserted into the male connector, and can prevent the plastic body 1 from being damaged due to collision with the male connector. .

In this embodiment, the contact end 3 is provided with a barb 5 which can effectively prevent the plastic body 1 from being carried out.

The row center line distance PH of the double-row needle row 2 is 2.54±0.20mm, and the needle row centerline distance ZH of each row of adjacent needle row 2 is 2.54±0.10mm; the height H of the plastic body 1 is 6.80±0.15mm ; The width W of the plastic body 1 is 5.80±0.15mm; the length of the plastic body 1 is related to the number of pin rows 2 in each row. Therefore, the utility model also has the advantage of small volume.

In the upper plug-in double-row female connector described in the utility model, the pin row 2 is installed together with the plastic body 1 in an upward plug-in type, that is, the pin row 2 is inserted into the plastic body 1 from the upper end surface of the plastic body 1, and the plastic body The locking hole 7 opened in 1 can hold the contact end 3 of the pin header 2 to prevent the plastic body 1 from being taken out. The welding end 4 of the pin header 2 passes through the locking hole 7 and passes through the lower end surface of the plastic body 1 and is connected to the PCB. Board welding, therefore, the utility model has the advantages of firm connection between the plastic body 1 and the pin row 2, high holding force of the plastic body 1, and good stability. When the male connector is used, the plastic body 1 is not easily taken out by the male connector. In this embodiment, the working temperature range of the plug-in double-row female connector is -40°C to +105°C, the insulation resistance is 1000MΩMin, the contact impedance is 20MΩMax, the withstand voltage is 500V AC/DC, and the rated current is 3.0AMP .

The above is only a preferred embodiment of the utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the utility model patent application scope are all included in the utility model patent application scope .

Claims (7)

1. Up-plug double-row female connector, which includes a plastic body (1) and several pin rows (2), and several pin rows (2) are arranged in double rows and installed on the plastic body (1). (2) Including the contact end (3) and the welding end (4) connected as one, the contact end (3) is inserted into the pin row hole (6) matched with the contact end (3) opened on the plastic body (1) Inside, it is characterized in that: the pin row hole (6) is a counterbore opened downward from the upper surface of the plastic body (1), and the plastic body (1) is located under the bottom surface of the pin row hole (6) and the plastic body (1) There is a clamping hole (7) between the end faces that can hold the contact end (3). The clamping hole (7) is connected to the pin row hole (6) and the lower end surface of the plastic body (1), and the welding end (4) passes through The locking hole (7) passes through the lower end surface of the plastic body (1). 2. The upward plug-in double-row female connector according to claim 1, characterized in that: the locking hole (7) is in the shape of an inverted tapered hole. 3. The upward plug-in double-row female connector according to claim 1, characterized in that: the opening of the upper end surface of the plastic body (1) is chamfered for the pin row holes (6). 4. The upward plug-in double-row female connector according to claim 1, characterized in that: the contact end (3) is provided with a barb (5). 5. The upward plug-in double-row female connector according to any one of claims 1 to 4, characterized in that: the row center line distance PH of the double-row needle row (2) is 2.54±0.20mm, and each row is adjacent The center line spacing ZH of the row of needles (2) is 2.54±0.10mm. 6. The upward plug-in double-row female connector according to claim 5, characterized in that: the height H of the plastic body (1) is 6.80±0.15mm. 7. The upward plug-in double-row female connector according to claim 6, characterized in that the width W of the plastic body (1) is 5.80±0.15mm.

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