CN201365005Y - Slot connector and terminal thereof - Google Patents

Abstract

The utility model discloses a slot connector and a terminal thereof. The slot connector comprises a body, a positioning column and the terminal, wherein the body is provided with a slot and terminal slots which are arranged at two sides of the slot and communicated with the slot; the positioning column is fixed with the body; the terminal comprises a welding part, an extending arm which extends from the welding part and an elastic arm which is arranged on the extending arm in a bending mode; the extending arm is fixed in the terminal slot; the elastic arm is arranged at the tail end of the extending arm and comprises a bending body, a contact body and a supporting body which are connected sequentially and integrally, wherein the supporting body is pressed on the extending arm when the contact body is pressed; the bending body bends and extends from the tail end of the extending arm; the contact body bends and extends from the tail end of the bending body; and the supporting body is arranged at the tail end of the contact body and positioned between the contact body and the extending arm. As the terminal is provided with the bending body, the contact body and the supporting body which are connected sequentially and integrally, the supporting body can be pressed on the extending arm when the contact body is pressed, therefore, the elasticity of the whole terminal is strengthened, and the contact performance of the terminal is improved.

Description

Connector and terminal thereof

Technical field

The utility model relates to a kind of electric connector, particularly a kind of connector and terminal thereof that is electrically connected with assemblies formation such as printed circuit board (PCB), storage card, computer display card, sound cards.

Background technology

Terminal is the core component in the connector, this terminal is arranged in the slot on the connector insulating body usually, assemblies such as printed circuit board (PCB), storage card, computer display card, sound card insert after the slot, contact pin embeds the gap between one group of corresponding terminal, and insertion force makes terminal generation strain and forms tight the contact with contact pin.In order to improve transmission performance and to reduce electric energy loss, the material of connector terminal is generally selected the better conductivity copper alloy for use.

Be illustrated in figure 1 as existing connector, the insulating body of connector is provided with a slot, terminal 1 is fixedly installed on slot and forms clocklike and arranges, each terminal 1 comprises weld part 13, bends the elastic arm 12 that is provided with from the extended adjutage 11 of weld part with on adjutage 11, and elastic arm 12 bends and forms from the middle part of adjutage 11.After being installed on the connector, in pairs the overbending direction of the elastic arm 11 of terminal 1 in opposite directions, symmetry, the structure of this terminal 1 forms close gap in the middle of making the elastic arm 12 of pair of terminal 1, can embed for contact pin with matching and form stable electrical connection.But because elastic arm is to form at the middle part of adjutage, the poor flexibility of elastic arm has reduced the contact performance of whole terminal.In order to guarantee contact performance, terminal 1 generally select for use elasticity preferably phosphor-copper make, yet phosphor-copper costs an arm and a leg, terminal 1 cost of making is higher, the cost of connector is also very high undoubtedly.

In addition, as shown in Figure 2, generally also be provided with the reference column 3 integrally formed on the insulating body 2 of connector with this body 2, when being welded on mainboard or other parts, terminal 1 forms when being electrically connected, in order to guarantee that reference column 3 can not be out of shape because of bearing high temperature, the body 2 of whole connector and reference column 3 all use expensive high-temperature material usually, and nylon 46 etc. has for example increased the production and the use cost of connector like this.

Summary of the invention

Technical problem to be solved by this invention is, overcomes the deficiencies in the prior art, provides a kind of good springiness and cost low connector terminal and terminal thereof.

The technical solution adopted for the present invention to solve the technical problems is: a kind of socket connector terminal, comprise weld part, be arranged on elastic arm on the adjutage from the extended adjutage of weld part and bending, it is characterized in that: described elastic arm is arranged on the end of adjutage, and elastic arm comprises that bending body, contact that one connects in turn reach the supporter that is pressed on the adjutage when the contact pressurized; Described bending body extends from the terminal bending of adjutage; Described contact extends from bending the terminal bending of body; Described supporter is arranged on the end of contact, and described supporter is between contact and adjutage.

Described bending body and contact are all extending on the direction of weld part, and supporter extends on the direction of weld part dorsad.Described bending body and adjutage acutangulate.The material of terminal is a brass.

A kind of connector, comprise insulating body, reference column and terminal, the terminal groove that body has slot and is located at the slot both sides and is communicated with it, reference column and body are fixed, terminal is fixed in the terminal groove, described terminal comprises weld part, is arranged on elastic arm on the adjutage from the extended adjutage of weld part and bending, described adjutage is fixed in the terminal groove, described elastic arm is arranged on the end of adjutage, and elastic arm comprises that bending body, contact that one connects in turn reach the supporter that is pressed on the adjutage when the contact pressurized; Described bending body extends from the terminal bending of adjutage; Described contact extends from bending the terminal bending of body; Described supporter is arranged on the end of contact, and described supporter is between contact and adjutage, and described contact stretches into slot, and described supporter is positioned at terminal groove.Described body is made by cryogenic material, and reference column is made by high-temperature material, and assembling is connected reference column with body.

The invention has the beneficial effects as follows 1) because terminal has bending body, contact and the supporter that one in turn connects, and supporter can be pressed on the adjutage when the contact pressurized, strengthened the elasticity of whole terminal, improved the contact performance of terminal; 2) because terminal has preferable elasticity, under same contact performance, can reduce the thickness of terminal, thereby reduce manufacturing cost.

Description of drawings

Fig. 1 is the structural representation of the connector terminal of prior art;

Fig. 2 is the front view of the connector of prior art;

Fig. 3 is the schematic diagram of a kind of embodiment of the utility model connector terminal;

Fig. 4 is the upward view of the utility model connector;

Fig. 5 is the front view of the utility model connector body;

Fig. 6 is the vertical view of the utility model connector body;

Fig. 7 is the stereogram of the utility model connector reference column.

Embodiment

Figure 3 shows that a kind of embodiment of the utility model connector terminal, this terminal is arranged on structure on the connector with reference to shown in Figure 4, and this connector terminal 1 comprises weld part 13, is arranged on the elastic arm 12 of adjutage 11 ends from weld part 13 extended adjutages 11 and bending.Described weld part 13 can be welded on to form on computer motherboard or other assemblies and be electrically connected, adjutage 11 is fixed on the insulating body 2 of socket connector, elastic arm 12 stretches in the slot of connector, and assemblies such as printed circuit board (PCB), storage card, computer display card, sound card insert this slot and contact to form with contact 122 on the elastic arm 12 and are electrically connected.

Elastic arm 12 comprises bending body 121, contact 122 and the supporter 123 that curved one connects in turn.Bending body 121 once bends the back from the end of adjutage 11 and extends and be provided with, and forms acute angle between this bending body 121 and the adjutage 11 and to the direction extension near weld part 13; Contact 122 is arranged on the break place that bending takes place bending body 121 once more; This elastic arm 12 through at least twice bending after, its terminal contacting near adjutage 11 or with adjutage 11 forms supporter 123.After being installed on the connector, the elastic arm 12 of the pair of terminal 1 that aligns mutually in opposite directions, symmetry bending is provided with, and this is to forming a close gap between the contact on the terminal 1 122, can be electrically connected with plug-in unit being contacted form closely.When plug-in unit is inserted this to the gap between the terminal 1, the application point of insertion force is applied on the bending body 121, make the elastic arm 12 of terminal 1 that strain take place, supporter 123 directly is against on the adjutage 11, play the effect of supporting by this supporter 123, also increased the elasticity of elastic arm 12; When plug-in unit was extracted between terminal 1, supporter 123 recovered deformation, and contact 122 is resetted.The regime of elastic deformation of this terminal 1 increases, and function card inserts, only need apply less dynamics when extracting, and the elasticity of terminal 1 significantly strengthens.

Adopt the elasticity of the connector terminal 1 of said structure obviously to strengthen, therefore the elasticity to terminal 1 material itself requires to reduce, can use the relatively poor relatively material of brass or other elasticity to replace better, the expensive phosphor-copper of elasticity to make, because brass or other materials are cheap, the cost of terminal 1 significantly reduces.

To shown in Figure 7, the utility model has also been protected the connector that uses above-described terminal 1 as Fig. 3, because the cost of terminal 1 significantly reduces the also corresponding reduction of the production cost of connector.This connector comprises body 2 and terminal 1, the terminal groove 22 that body 2 has slot 21 and is located at these slot 21 both sides and is communicated with slot 21, terminal groove 22 is corresponding with terminal 1, the adjutage 11 of terminal 1 is fixed in the terminal groove 22, the contact 122 of elastic arm 12 stretches in the slot 21, the weld part 13 downward external part pilot trench 22 of terminal.

In terminal 1 welding process, reference column 3 may be heated and deform, so reference column 3 adopts usually and the impaired high-temperature material of fusion can not take place under hot environment make, for example nylon 64 etc.; And body 2 adopts the relatively poor cryogenic material of resistances to elevated temperatures to make, for example nylon 66 etc.The position of body 2 corresponding reference columns 3 has installing hole, and reference column 3 inserts and is fixed in the corresponding installing hole.Because nylon 66 cryogenic materials such as grade are with low cost, so can further reduce the production cost of connector.

The utility model connector can be high-speed peripheral interconnected (PCI EXPRESS:PeripheralComponent International Express) assembly connector, or the assemblies such as same printed circuit board (PCB), storage card, computer display card, sound card that are used for of other type form the connector that is electrically connected.

Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, all should be considered as belonging to protection range of the present utility model.

Claims (8)

1. connector terminal, comprise weld part, be arranged on elastic arm on the adjutage from the extended adjutage of weld part and bending, it is characterized in that: described elastic arm is arranged on the end of adjutage, and elastic arm comprises that bending body, contact that one connects in turn reach the supporter that is pressed on the adjutage when the contact pressurized; Described bending body extends from the terminal bending of adjutage; Described contact extends from bending the terminal bending of body; Described supporter is arranged on the end of contact, and described supporter is between contact and adjutage.

2. connector terminal according to claim 1 is characterized in that: described bending body and contact are all extending on the direction of weld part, and supporter extends on the direction of weld part dorsad.

3. connector terminal according to claim 2 is characterized in that: described bending body and adjutage acutangulate.

4. according to any described connector terminal among the claim 1-3, it is characterized in that: the material of terminal is a brass.

5. connector, comprise insulating body, reference column and terminal, the terminal groove that body has slot and is located at the slot both sides and is communicated with it, reference column and body are fixed, terminal is fixed in the terminal groove, described terminal comprises weld part, is arranged on elastic arm on the adjutage from the extended adjutage of weld part and bending, described adjutage is fixed in the terminal groove, it is characterized in that: described elastic arm is arranged on the end of adjutage, and elastic arm comprises that bending body, contact that one connects in turn reach the supporter that is pressed on the adjutage when the contact pressurized; Described bending body extends from the terminal bending of adjutage; Described contact extends from bending the terminal bending of body; Described supporter is arranged on the end of contact, and described supporter is between contact and adjutage, and described contact stretches into slot, and described supporter is positioned at terminal groove.

6. connector according to claim 5 is characterized in that: described bending body and contact are all extending on the direction of weld part, and supporter extends on the direction of weld part dorsad.

7. connector according to claim 5 is characterized in that: described body is made by cryogenic material, and reference column is made by high-temperature material, and assembling is connected reference column with body.

8. according to any described connector among the claim 5-7, it is characterized in that: the material of described terminal is a brass.

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