阅读说明：本技术 一种连接器用定位爪及电连接器 (Positioning claw for connector and electric connector ) 是由 王焕 唐高健 陈龙 于 2019-09-16 设计创作，主要内容包括：本发明公开了一种连接器用定位爪及电连接器：定位爪包括套环、过渡弹片及卡爪,套环通过过渡弹片连接卡爪,过渡弹片有多个,相邻过渡弹片之间设有开口,过渡弹片向内弯曲且弯曲角度从套环连接端至卡爪连接端依次变小,卡爪包括孔连接段及连接于孔连接段两侧的轴连接段,孔连接段的截面是圆弧形；所有孔连接段形成的圆的直径大于套环的直径。当定位爪套接于插头时,能够使定位爪与插头之间具备两个连接点,能够提升浮动自定心效果,增加定位爪与插头之间的同轴度。当卡爪被挤压时,除了过渡弹片能够给卡爪提供一定的弹力,轴连接段也能够对孔连接段提供一定的弹性,增加孔连接段与插孔内表面的挤压力。孔连接段降低了对插孔内表面刮坏的可能性。(The invention discloses a positioning claw for a connector and an electric connector, wherein the positioning claw comprises: the positioning claw comprises a lantern ring, a plurality of transition elastic sheets and a plurality of clamping claws, the lantern ring is connected with the clamping claws through the transition elastic sheets, openings are formed between every two adjacent transition elastic sheets, the transition elastic sheets are bent inwards, the bending angle of the transition elastic sheets is gradually reduced from the connecting end of the lantern ring to the connecting end of the clamping claws, each clamping claw comprises a hole connecting section and shaft connecting sections connected to the two sides of the hole connecting section, and the cross section of each hole connecting section is arc-shaped; the diameter of the circle formed by all the hole connecting sections is larger than that of the lantern ring. When the positioning claw is sleeved on the plug, two connection points can be arranged between the positioning claw and the plug, the floating self-centering effect can be improved, and the coaxiality between the positioning claw and the plug is increased. When the jack catch is extruded, except that the transition shell fragment can provide certain elasticity for the jack catch, the hub connection section also can provide certain elasticity to the hole linkage section, increases the extrusion force of hole linkage section and jack internal surface. The bore connection section reduces the possibility of scratching the inner surface of the receptacle.)

1. A positioning pawl for a connector, characterized in that: the clamping device comprises a lantern ring (1), a plurality of transition elastic sheets (2) and clamping jaws (4), wherein the lantern ring (1) is connected with the clamping jaws (4) through the transition elastic sheets (2), an opening (3) is formed between every two adjacent transition elastic sheets (2), the transition elastic sheets (2) are bent inwards, the bending angle of the transition elastic sheets is gradually reduced from the connecting end of the lantern ring (1) to the connecting end of the clamping jaws (4), each clamping jaw (4) comprises a hole connecting section (42) and shaft connecting sections (41) connected to the two sides of the hole connecting section (42), and the cross section of each hole connecting section (42) is arc-shaped; the diameter of the circle formed by all the hole connecting sections (42) is larger than that of the lantern ring (1).

2. The positioning pawl for a connector according to claim 1, wherein: the width of the transition elastic sheet (2) is increased from the connecting end of the clamping jaw (4) to the connecting end of the lantern ring (1) in sequence.

3. The positioning pawl for a connector according to claim 1, wherein: the transition elastic sheets (2) are arranged in a plurality, and the transition elastic sheets (2) are distributed at equal intervals.

4. The positioning pawl for a connector according to claim 1, wherein: the lantern ring (1), the transition elastic sheet (2) and the clamping jaws (4) are of an integrated structure.

5. The positioning pawl according to claim 1 or 4, wherein: the material is elastic metal material.

6. The positioning pawl for a connector according to claim 1, wherein: the inner diameter of the lantern ring (1) is equal to the inner diameter of the smallest circle formed by all the claws (4).

7. The positioning pawl for a connector according to claim 1, wherein: the lantern ring (1) is also provided with a notch (301).

8. An electrical connector, comprising: comprising the positioning pawl for connector according to claim 1.

9. An electrical connector as defined in claim 8, wherein: the positioning claw is sleeved on the plug through a lantern ring (1) and a shaft connecting section (41).

Technical Field

The invention relates to the field of electric connectors, in particular to a positioning claw for a connector and an electric connector.

Background

The connector is a functional element which enables a circuit or an optical channel to be connected, disconnected or converted under the action of an electric signal or an optical signal and mechanical force, is used for electric connection among devices, assemblies, equipment and systems, transmits current, keeps no energy loss change between the systems, is simply similar to a plug and a socket, and is widely applied to the fields of aviation, aerospace, military equipment, transportation, communication, computers, automobiles, industry, household appliances and the like.

In order to improve the reliability of the connection between the two, a positioning claw is usually provided on the plug, as shown in fig. 1: the jack catch is tightly abutted against two ends of the hole wall of the jack catch chamber by the self elasticity of the jack catch and cannot slide outwards, and the axial separating force generated when the contact element is plugged can be borne, so that the positioning state of the contact element is ensured, and the metal positioning claw and the plastic positioning claw are separated, but the metal positioning claw and the plastic positioning claw have the following defects:

1. common metal positioning claws:

(1) the clamping tongue of the positioning claw is formed by bending a single material into a certain angle at the wall thickness, and the state of the clamping tongue is that a plurality of points bear component force of a certain angle, so that the hidden danger of falling easily occurs due to uneven stress;

(2) the wall thickness of the positioning claw is thin, and the bearing force is small;

(3) in the dismounting process, the dismounting tool needs to apply axial force and circumferential force to the positioning claw at the same time, the clamping tongue is pressed on the positioning surface of the insulating plate or the plug pin and the jack, and the contact point is very easy to scratch an insulator or cause the clamping tongue to generate plastic deformation due to overlarge stress, so that the positioning claw is damaged, and the service life is influenced;

(4) the positioning claws are hung on the positioning steps of the mounting plate in multiple points, so that the contact body is axially positioned in the mounting plate, and the contact body is difficult to be positioned on a plane when being formed, and the coaxiality of the contact body on the mounting plate is poor.

2. Plastic positioning claws:

the large current contact pair generates heat, the plastic is heated by the characteristics of the plastic, and the plastic is softened and melted, so that the contact pair is separated, and safety accidents are caused.

Therefore, there is a need in the art for a positioning pawl with more uniform force distribution, improved coaxiality of the jack and the plug, and capable of preventing the connector from being scratched and melting due to heat.

Disclosure of Invention

In order to solve the defects in the prior art, the invention provides a positioning claw for a connector and an electric connector, and solves the technical problem that the connector is easy to scratch due to uneven stress of the positioning claw in the prior art.

In order to achieve the above purpose, the invention adopts the following technical scheme:

a positioning pawl for a connector, characterized in that: the clamping device comprises a lantern ring, a plurality of transition elastic sheets and clamping jaws, wherein the lantern ring is connected with the clamping jaws through the transition elastic sheets, an opening is formed between every two adjacent transition elastic sheets, the transition elastic sheets are bent inwards, the bending angles of the transition elastic sheets are sequentially reduced from the lantern ring connecting end to the clamping jaw connecting end, each clamping jaw comprises a hole connecting section and shaft connecting sections connected to the two sides of the hole connecting section, and the cross section of each hole connecting section is arc-shaped; the diameter of the circle formed by all the hole connecting sections is larger than that of the lantern ring.

As a preferred aspect of the present invention, the positioning pawl for a connector is characterized in that: the width of transition shell fragment increases from jack catch link to lantern ring link in proper order.

As a preferred aspect of the present invention, the positioning pawl for a connector is characterized in that: the transition shell fragment has a plurality ofly, and a plurality of transition shell fragments equidistance distribute.

As a preferred aspect of the present invention, the positioning pawl for a connector is characterized in that: the lantern ring, the transition elastic sheet and the clamping jaws are of an integrated structure.

As a preferred aspect of the present invention, the positioning pawl for a connector is characterized in that: the material is elastic metal material.

As a preferred aspect of the present invention, the positioning pawl for a connector is characterized in that: the inner diameter of the collar is equal to the inner diameter of the smallest circle formed by all the claws.

As a preferred aspect of the present invention, the positioning pawl for a connector is characterized in that: the lantern ring is also provided with a notch.

An electrical connector, comprising: including the positioning pawl for a connector described above.

As a preferable aspect of the present invention, the electrical connector is characterized in that: the positioning claw is sleeved on the plug through a lantern ring and a shaft connecting section.

The invention achieves the following beneficial effects:

when the locating claw cup jointed in the plug, the internal surface of the lantern ring and the tip of hub connection section and the plug surface between all be the laminating, can make and possess two tie points between locating claw and the plug to possess certain distance between these two tie points, can promote to float from the centering effect, increase the axiality between locating claw and the plug.

When the jack catch is extruded, except that the transition shell fragment can provide certain elasticity for the jack catch, the hub connection section also can provide certain elasticity to the hole linkage section, increases the extrusion force of hole linkage section and jack internal surface to promote the fixed power between jack catch and the jack, and the jack catch is extruded and can only can also promote the coaxial of jack and taking a percentage.

The positioning claw is connected to the inner surface of the jack through the hole connecting section, and the hole connecting section is arc-shaped in cross section and has a certain length, so that when the hole connecting section is connected with the inner surface of the jack, each hole connecting section is in surface contact with the inner surface of the jack, and the possibility that the positioning claw scrapes the inner surface of the jack can be reduced while larger extrusion force is provided.

The positioning claw is connected to the inner surface of the jack through the hole connecting section, and the cross section of the hole connecting section is an arc, so that the strength is high, the rigidity is good, the positioning force is large, and the jack is not easy to fall off.

The positioning claw is connected to the outer surface of the shaft, so that the length is short, the structure is small, and the overall structure of a product is reduced.

Drawings

FIG. 1 is a view of a prior art detent of the present invention;

FIG. 2 is an overall view of the positioning pawl of the present invention;

FIG. 3 is a front view of the positioning pawl of the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 3 of the present invention;

FIG. 5 is a cross-sectional view B-B of FIG. 3 of the present invention;

fig. 6 is an axial cross-sectional view of the electrical connector of the present invention;

the meaning of the reference numerals: 1-a collar; 2-transition elastic sheet; 3-opening; 4-clamping jaws; 41-shaft connection section; 42-well junction section; 5-a plug; 6-jack; 301-notch.

Detailed Description

The invention is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.

As shown in fig. 1 to 5: the embodiment discloses a positioning claw for a connector: including the lantern ring 1, transition shell fragment 2 and jack catch 4, the lantern ring 1 is through transition shell fragment 2 connection jack catch 4, transition shell fragment 2 has a plurality ofly, be equipped with opening 3 between the adjacent transition shell fragment 2, 2 incurvation of transition shell fragment and bending angle diminish from lantern ring 1 link to jack catch 4 link in proper order, because transition shell fragment 2 is not the bending in strict meaning, like angle A in figure 5, 1 link of lantern ring of transition shell fragment 2 is arc, the angle of 4 link of jack catch equals the bending angle of jack catch 4, angle A promptly, bending angle here means equivalent angle, change through angle A can see, the degree of 2 incurvation of transition shell fragment is constantly increased from lantern ring 1 to jack catch 4, its increase process is smooth transition also.

The jaw 4 comprises a hole connecting section 42 and shaft connecting sections 41 connected to two sides of the hole connecting section 42, and the cross section of the hole connecting section 42 is arc-shaped; the diameter of the circle formed by all the hole connecting sections 42 is larger than the diameter of the collar 1. Because the jaws 4 and the collar 1 both have a certain thickness, the inner diameter includes an inner diameter and an outer diameter, as shown in fig. 5: the inner diameter of the circle formed by all the hole connecting sections 42 (the solid line circle in fig. 5) is larger than the inner diameter of the collar 1 (the dotted line in fig. 5).

The width of the transition elastic sheet 2 is increased from the connecting end of the clamping jaw 4 (equivalent to the root of the transition elastic sheet 2) to the connecting end of the lantern ring 1 (equivalent to the top end of the transition elastic sheet 2). On the other hand, the width of the opening 3 decreases from the claw 4 connection end to the collar 1 connection end. Thus, the width of the transition elastic sheet 2 at the connecting end of the lantern ring 1 is favorably improved, and the elasticity of the transition elastic sheet 2 to the clamping jaws 4 is favorably increased.

The number of the transition elastic pieces 2 is preferably multiple, and the specific number can be set by a person skilled in the art according to actual conditions, for example, six transition elastic pieces 2 are equally distributed along the collar 1.

The lantern ring 1, the transition elastic sheet 2 and the clamping jaw 4 are of an integrated structure, the integrated structure means that the positioning jaw is integrally processed through a section of tubular object (such as stamping, extrusion forming and the like) in the manufacturing process, and the lantern ring 1, the transition elastic sheet 2 and the clamping jaw 4 are not combined together in a welding mode. In order to fit the embodiment to the plug, the collar 1 of the embodiment is further provided with a notch 301, which is preferably opposite to the opening 31, so that the whole positioning pawl can be disconnected from the side part, and the collar can be easily broken off from the plug.

The positioning claw is made of metal preferably, so that on one hand, the metal material can provide higher elasticity, the toughness is better, and the larger elasticity is favorably improved; furthermore, the metal material is not melted by the high temperature generated by the current, such as beryllium bronze or stainless steel.

The inner diameter of the collar 1 of the present embodiment is equal to the inner diameter of the smallest circle formed by all the jaws 4, for the following reasons:

usually, the outer diameters of the connection sections of the positioning claws of the plug are equal, and when the positioning claws are sleeved on the plug, the inner surface of the lantern ring 1 and the end part (the end far from the hole connection section 42) of the shaft connection section 41 are attached to the outer surface of the plug, which is shown by a dotted line in fig. 5. The two advantages are mainly provided, firstly, two connecting parts (the lantern ring 1 and the shaft connecting section 41) are arranged between the positioning claw and the plug at the axis position, and the two connecting parts have a certain distance, so that the floating self-centering effect can be improved, and the coaxiality between the positioning claw and the plug is increased; secondly, when the plug is connected with the jack, the hole connecting section 42 is extruded, the shaft connecting section 41 can provide certain elasticity for the hole connecting section 42, the extrusion force between the hole connecting section 42 and the inner surface of the jack is increased, and therefore the fixing force between the clamping jaw 4 and the jack 6 is improved.

Referring to fig. 6: the embodiment also discloses an electrical connector: including the positioning claws for connectors described above in this embodiment.

The positioning claw cover is in the surface of plug 5 (commonly known as public head), and lantern ring 1 and hub connection section 41 all laminate in the surface of plug 5 this moment, and when plug 5 inserted to jack 6 (commonly known as female head), the positioning claw passes through hole linkage section 42 and connects in the internal surface of jack 6, because the cross-section that hole linkage section 42 is the circular arc, and possess certain length, when it was connected with jack 6 internal surface, every hole linkage section 42 and jack 6 internal surface were the face contact, can reduce the positioning claw to the possibility of jack 6 internal surface scraping damage when providing great extrusion force simultaneously.

The positioning claw is connected to the inner surface of the jack 6 through the hole connecting section 42, and the cross section of the hole connecting section 42 is an arc, so that the strength is high, the rigidity is good, the positioning force is large, and the jack is not easy to fall off.

The positioning claw is connected to the outer surface of the shaft, so that the length is short, the structure is small, and the overall structure of a product is reduced.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.