CN209282550U - A kind of electrical connector - Google Patents

Abstract

The utility model discloses a kind of electrical connectors, are related to electrical connector technical field, solve the technical problem for being difficult to be mounted on contact pin in socket.Technical points include contact pin and socket, contact pin includes the needle body that syringe needle and more than one piece are located on the setting of syringe needle edge, the direction that each needle body is directed away from needle axis is obliquely installed, when each needle body is inclined outwardly, each needle body is greater than the internal diameter of socket far from the circumscribed diameter of a circle that one end group of syringe needle is shaped to；The utility model has the advantages that be mounted in socket convenient for contact pin.

Description

A kind of electrical connector

Technical field

The utility model relates to electrical connector technical fields, more specifically, it relates to a kind of electrical connector.

Background technique

Electrical connector is the electronic connection devices that will be conductively connected between cable and cable or between cable and electronics device. Electric connector is made of plug and socket, and inside is mainly contact pin and jack.In the prior art, the contact pin of electrical connector and insert Hole, which is easy to exist, cooperates untight problem, and when use is easy to loosen, and causes contact pin and contact pin contact resistance big, it is serious if very It is separated to will lead to grafting with socket, therefore the electrical connection for being unfavorable for electric appliance uses.

A kind of electrical connector is disclosed in the Chinese patent that Authorization Notice No. is CN207602926U, including contact pin, is inserted Seat and screw set, the socket is interior to have jack, has external screw thread on the socket outer surface, the screw set inner surface has Internal screw thread, the screw set are threaded on the outer surface of socket.

It is similar to above-mentioned electrical connector in the prior art, generally uses the cooperation between screw set and socket to slotting Hole applies an inward force so that jack can be pressed on contact pin surface；But existing socket and contact pin are typically all Copper material with excellent conductive performance is made, and hardness is larger, is difficult to make jack to be fixedly clamped contact pin in the way of being threadedly engaged, Therefore it is difficult for contact pin to be mounted in socket.

Utility model content

Problem in view of the prior art, the purpose of this utility model is to provide a kind of electrical connectors, have and are convenient for Contact pin is mounted on the advantage in socket.

To achieve the above object, the utility model provides following technical solution: including contact pin and socket, the contact pin packet It includes syringe needle and more than one piece is located on the needle body of syringe needle edge setting, the direction inclination that each needle body is directed away from needle axis is set It sets, when each needle body is inclined outwardly, each needle body is greater than socket far from the circumscribed diameter of a circle that one end group of syringe needle is shaped to Internal diameter.

By using above-mentioned technical proposal, when grafting contact pin, it is only necessary to collapse each part needle body towards close to needle body axis Then direction bending will collapse needle body grafting together so that each one end of part needle body far from needle body can concentrate in together In in socket；Because needle body itself has stronger restorability, when decontroling needle body, each part is far from syringe needle The direction that one end can be directed away from needle axis is unfolded outward, is in close contact each part needle body with complete with socket inner walls At the close connection between needle body and needle stand；The work for collapsing needle body is relatively simple, it is only necessary to which staff is pressed respectively with hand Part needle body, structure is simple, easy to use.

The utility model is further arranged to: the open end of the socket and the part of socket inner walls handover are provided with inclination Guide surface.

By using above-mentioned technical proposal, by inclined guide surface enable needle body grafting into socket when play guiding Effect, convenient for needle body grafting into socket.

The utility model is further arranged to: the arc-shaped shape setting of the outer wall of each needle body, each needle body outer diameter with The inner diameter size of socket is consistent, and each needle body is coaxially set with syringe needle.

By using above-mentioned technical proposal, by the way that arc-shaped shape is arranged in the outer wall of needle body and makes the outer diameter of needle body and inserts When the inner diameter size of seat is unanimously plugged in needle body in socket, the outer wall of needle body can be fitted closely with the inner wall of socket, be had Effect ensures the contact area of needle body outer wall and socket inner walls.

The utility model is further arranged to: the setting quantity of the needle body is no less than three, each needle body ring needle body Outer rim is circumferentially placed equidistant with.

By using above-mentioned technical proposal, in various shape, triangular structure is the most stable, and the setting quantity of needle body is three When part can be such that needle body is plugged in socket and the bonding strength of socket is maximum.

The utility model is further arranged to: there are gap, each needles between the two pieces needle body of arbitrary neighborhood setting Body is provided with the protrusion in needle body far from needle axis far from one end of syringe needle, and being internally provided with for the socket is located on Socket inner walls are for the inner groovy for the clamping of each road protrusion.

By using above-mentioned technical proposal, needle body can be further increased by the cooperation between protrusion and inner groovy and inserted Bonding strength between seat is enabled when collapsing needle body by gap so that be not easy to be pulled out when needle body is plugged in socket Needle body is sloped inwardly and is collapsed, when so that needle body collapsing, the protrusion collapsed together can be put in socket.

The utility model is further arranged to: it is separate that each raised being provided on one side far from needle body transits to needle body Arc guide surface on the end face of syringe needle.

By using above-mentioned technical proposal, when making needle body grafting into socket by arc guide surface, arc guide surface It can be contacted with the open edge of socket, and with the grafting of contact pin, arc guide surface can slide one along the opening of socket Good guiding role is played, is slid convenient for protrusion into socket.

The utility model is further arranged to: being provided with identification slot on the outer wall of the needle body and the outer wall of socket.

By using above-mentioned technical proposal, existing contact pin and socket have multiple models in production, some models Contact pin is as socket appearance, it is difficult to by visually distinguishing, by the way that identification slot is arranged on needle body and socket and according to type Number different different places is arranged in the position of identification slot can be differentiated convenient for user.

The utility model is further arranged to: the part of one end far from needle body of the syringe needle and the handover of needle body outer wall and The part rounded corner of the one end of socket far from contact pin and the handover of socket outer wall is arranged.

By using above-mentioned technical proposal, when grafting contact pin, needs staff's hand-held needle and socket, by by syringe needle The part of the part and socket of one end and the handover of needle body outer wall far from needle body one end and the handover of socket outer wall far from contact pin Rounded corner can be avoided when staff holds contact pin and socket and be hurt.

Compared with prior art, the utility model has the beneficial effects that

(1) directly cooperated using the structure of the restorability of needle body itself and needle body so that staff only needs to collapse Contact pin can be plugged in socket by each part needle body；

(2) it can ensure the contact area of needle body and socket by the shapes and sizes of needle body outer wall, so that needle body and inserting Connection between seat is more stable；

(3) bonding strength between needle body and socket can be increased by the cooperation between protrusion and inner groovy, so that inserting Needle is not easy to be drawn out outside socket.

Detailed description of the invention

Structural schematic diagram when Fig. 1 is the present embodiment inserting state；

Structural schematic diagram when Fig. 2 is the present embodiment discrete state；

Diagrammatic cross-section when Fig. 3 is the present embodiment inserting state.

Appended drawing reference: 1, socket；11, inclined guide surface；12, inner groovy；2, contact pin；21, syringe needle；22, needle body；23, convex It rises；231, arc guide surface；3, identification slot.

Specific embodiment

With reference to the accompanying drawings and examples, the utility model is described in detail.

A kind of electrical connector, as shown in Figure 1, including socket 1 and the contact pin 2 being plugged on socket 1；Wherein, socket 1 With the identification slot 3 that 1 outer wall of ring socket and the setting of 2 outer wall of contact pin are provided on contact pin 2, and according to 2 model of socket 1 and contact pin Difference, position of the identification slot 3 on socket 1 and contact pin 2, quantity and size are distinct.

As shown in Fig. 2, contact pin 2 includes syringe needle 21 and Duo Gen is located on syringe needle 21 and the needle body of the arc-shaped shape setting of outer wall 22, the direction that each one end of needle body 22 far from syringe needle 21 is directed away from 21 axis of syringe needle is inclined outwardly setting；Wherein, each Needle body 22 is coaxially set with syringe needle 21, and the outer diameter of each needle body 22 is equal with the inner diameter size of socket 1, when each needle body 22 to When outer incline, each needle body 22 is greater than the internal diameter of socket 1 far from the circumscribed diameter of a circle that one end group of syringe needle 21 is shaped to.

The setting quantity of needle body 22 is no less than three, and each 22 ring syringe needle of needle body, 21 outer rim is circumferentially placed equidistant with, arbitrarily There are gaps between two needle bodies 22 being disposed adjacent；Wherein, it in Fig. 2, specifically discloses a kind of with three needle bodies 22 2 structure of contact pin.

As shown in Fig. 2, the open end of socket 1 and the part of 1 inner wall of socket handover are provided with inclined guide surface 11.

Wherein, the part and socket 1 of one end in syringe needle 21 far from needle body 22 and the handover of 22 outer wall of needle body are far from contact pin 2 One end and the equal rounded corner in part of 1 outer wall of socket handover be arranged.

In conjunction with shown in Fig. 2 and Fig. 3, it is provided with one of protrusion 23 on the outside of each one end of needle body 22 far from syringe needle 21, 1 inner wall of socket is located on for the inner groovy 12 for each 23 clamping of road protrusion, each road protrusion 23 in being internally provided with for socket 1 Setting equal with the shape size of each road inner groovy 12；Wherein, each road protrusion 23 close to syringe needle 21 side and needle body 22 it is outer Side is vertically arranged, and each road protrusion 23 is provided with the arc transitted on end face of the needle body 22 far from needle body 22 far from needle body 22 on one side Shape guide surface 231.

Wherein, the length of needle body 22 is greater than the depth of socket 1, and when contact pin 2 is plugged in socket 1, needle body 22 still has portion Branch stretches out outside socket 1.

It the course of work of the utility model and has the beneficial effect that:

When grafting contact pin 2, it is only necessary to be collapsed each needle body 22 together, so far from one end of syringe needle 21 by staff Afterwards by part grafting of each root cutting needle 2 far from syringe needle 21 into socket 1, finally by indentor point 21 so that needle body 22 can be complete In socket 1；Wherein, when protrusion 23 be moved to bottommost when, it is only necessary to rotate contact pin 2 with to protrusion 23 position into Row adjustment, enables each road protrusion 23 to strut outward automatically when being moved at inner groovy 12, so that each road protrusion 23 is It can be connected in inner groovy 12；At this point, the outer wall of each needle body 22 can be bonded with the inner wall of socket 1.

The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (8)

1. a kind of electrical connector, including contact pin (2) and socket (1), it is characterised in that: the contact pin (2) includes syringe needle (21) The needle body (22) of syringe needle (21) edge setting is located on more than one piece, each needle body (22) is directed away from syringe needle (21) axis Direction is obliquely installed, and when each needle body (22) is inclined outwardly, each needle body (22) is shaped to far from one end group of syringe needle (21) Circumscribed diameter of a circle be greater than socket (1) internal diameter.

2. a kind of electrical connector according to claim 1, it is characterised in that: the open end of the socket (1) and socket (1) part of inner wall handover is provided with inclined guide surface (11).

3. a kind of electrical connector according to claim 1, it is characterised in that: the outer wall of each needle body (22) is arc-shaped Shape setting, each needle body (22) outer diameter is consistent with the inner diameter size of socket (1), and each needle body (22) and syringe needle (21) are coaxial Line setting.

4. a kind of electrical connector according to claim 1, it is characterised in that: the setting quantity of the needle body (22) is many Yu Sangen, each needle body (22) ring needle body (22) outer rim are circumferentially placed equidistant with.

5. a kind of electrical connector according to claim 1, it is characterised in that: the two pieces needle body (22) of arbitrary neighborhood setting Between there are gap, each needle body (22) is provided in needle body (22) far from the one end of syringe needle (21) far from syringe needle (21) protrusion (23) of axis, being internally provided with for the socket (1) are located on socket (1) inner wall for for each road protrusion (23) inner groovy (12) being clamped.

6. a kind of electrical connector according to claim 5, it is characterised in that: each raised (23) are far from needle body (22) Be provided on one side transit to needle body (22) far from syringe needle (21) end face on arc guide surface (231).

7. a kind of electrical connector according to claim 1, it is characterised in that: the outer wall and socket of the needle body (22) (1) identification slot (3) are provided on outer wall.

8. a kind of electrical connector according to claim 1, it is characterised in that: the syringe needle (21) is far from needle body (22) The portion of one end and the part and socket (1) of the handover of needle body (22) outer wall one end and the handover of socket (1) outer wall far from contact pin (2) Pour in separately fillet setting.