TW201911659A - Electrical connector - Google Patents

Abstract

An electrical connector includes a housing internally defining a receiving passage having a front installation hole and a rear stop hole; an inner cap assembled to an inner side of the stop hole and internally defining a mounting passage; a pad assembled to an inner side of the installation hole and internally defining a holding passage; a conductor extended through and held in the holding passage with a forward exposed conducting pin section; and a flat spring member having a rear abutting end mounted in the mounting passage and a front clamping end riveted to a rear end of the conductor and forward pressed against a rear end surface of the pad, such that a spacing chamber is defined between an inner wall surface of the housing and the flat spring member. Therefore, the electrical conductor has fewer parts than conventional electrical connectors to enable reduced assembling complexity and time.

Description

Electrical connector

The invention relates to a wire connection joint, in particular to a joint structure which can be combined with a transmission joint of an electric appliance.

Generally, the external surface of a common electronic device or a 3C electrical product is provided with a connection terminal that can be electrically connected to other electronic devices. The signal connector has become a type of electronic device for data transmission and other peripheral devices. An indispensable device for connection, and different connection terminals are electrically connected to each other through wires having corresponding connection terminal interfaces. Since the connection terminals have different numbers of wires of different specifications, thereby being used as a foolproof design, Different types of connection terminals can avoid the possibility of incorrect assembly.

Please refer to FIG. 1 to FIG. 3 , which are respectively a longitudinal sectional view, an exploded perspective view and a partial enlarged view of a conventional connection terminal 1 , wherein the external structure is covered by a protective casing 10 and the central axis is shown. The core position is set to a PIN pin 11 conductor, and the trailing end of the PIN pin 11 extends outside the protective casing 10, and the tip end of the PIN pin 11 is held by an elastic member 12.

It can be easily seen from the drawings that the elastic member 12 holds the PIN pin 11 and the elastic member 12 is simultaneously set by an inner cover 13, an abutting member 14 and a first washer 15, and the inner cover 13 is provided. The top end 16 is covered by an outer cover 16, and the outer cover 16 is pressed against the surface of the inner cover 13 without being in direct contact with the inner cover 13. Further, the rear end of the PIN pin 11 can additionally be used from the above A gasket 17 and a second gasket 18 are sleeved in addition to the first gasket 15 to stabilize.

It can be seen from the partial enlarged view of FIG. 3 that the end region of the elastic member 12 is in contact with the abutting member 14, and the central portion of the elastic member 12 is in contact with the inner cover 13, and the top end of the elastic member 12 is The region is in contact with the outer cover 16, that is, the elastic member 12 is pressed together by the inner cover 13 and the outer cover 16, thereby increasing the clamping force and stability of the elastic member 12 with respect to the PIN pin 11. Sex.

Further, in the case of the structural assembly method and the order, after the PIN needle 11 is held by the elastic member 12, the tail end of the PIN needle 11 is first sheathed by the inner cover 13, and the elastic member 12 is again subjected to The outer cover 16 is sleeved, and then the other first gasket 15, the gasket 17, and the second gasket 18 are sleeved. According to this, it is known that the connecting terminal 1 has many parts and assembly steps. More time-consuming, automated production and automated assembly is not easy.

The main object of the present invention is to improve the structural design of the parts, reduce the overall number of parts, thereby reducing the complexity and assembly time of the parts assembly, and improving the efficiency of automated production of parts and the process and ease of automated assembly of parts.

Another object of the present invention is to reduce the number of cover parts to a single one by improving the structural design of the cover body, and to achieve a stable clamping effect on the elastic piece by a single cover.

Another object of the present invention is to design a first stop portion and a second stop portion for the inner cover and the pad body to be respectively positioned against the top, and to ensure the release position of the inner cover and the pad body. The displacement space of energy.

In order to achieve the above object, the electrical connector of the present invention comprises: a housing having a receiving passage formed therein, and opposite ends of the receiving passage are respectively formed with a mounting hole and a latching hole; and an inner cover is assembled The accommodating channel has a card abutting position and a mounting channel is formed therein; a pad body is disposed at a position of the mounting hole of the accommodating channel, and a fixed channel is formed therein; a wire is disposed through the pad body a fixed channel, and a guiding portion extending outward from the fixing channel; a spring piece having a clamping end and a card abutting end on the opposite side, wherein the card abutting end is installed in the mounting channel of the inner cover, and The clamping end is riveted to the opposite end of the guiding section of the wire, and the clamping end is in contact with the pad body, and a space is formed between the inner wall surface of the outer casing and the elastic piece.

The electrical connector further includes a stopper, the stopper is sleeved on the wire, and is located between the pad body, the elastic piece and the wire, and the group between the three is added by the stopper Connection stability.

Furthermore, the fixed passage of the pad body has a first diameter corresponding to the wire and a second diameter corresponding to the stopper, and the second diameter is larger than the first diameter.

Moreover, the two ends of the mounting passage of the inner cover are respectively formed with a wiring opening and an insertion opening, and a locking space is formed between the wiring opening and the insertion opening, and the aperture size of the wiring opening is smaller than the card offset The diameter of the space is such that, after the elastic piece is mounted into the inner cover, the possibility of falling off the inner cover can be greatly reduced.

In addition, the above-mentioned wiring opening extends outwardly from a tapered tapered taper hole, and the above-mentioned insertion opening also extends outwardly from a tapered tapered taper jack, and the design is gradually elongated. It can be used for components that are about to be inserted into the assembly, without the need for special aiming, labor saving, and easy sliding into the guiding assembly.

Finally, the accommodating channel is formed with a first aperture, a second aperture and a third aperture which are tapered in size from the mounting hole toward the card abutting hole, and the inner cover is engaged with the third aperture end. And a second blocking portion, wherein the pad body is engaged with the first blocking portion formed by the front end portion of the second aperture.

It can be seen from the foregoing description that the present invention is characterized in that the design of the part is re-improved, the complexity of the assembly of the parts and the assembly time are reduced, and the total number of parts is greatly reduced, thereby improving the efficiency and automation of the automated production parts. The process and ease of assembling parts.

In addition, the invention reduces the number of the cover parts to a single one by improving the structural design of the parts of the cover body, and the single cover body can achieve the stable clamping effect applied to the elastic pieces.

In order to further clarify and understand the structure, the use and the features of the present invention, the preferred embodiment is described in detail with reference to the following drawings:

Referring to FIG. 4 to FIG. 7 , the electrical connector 2 of the present invention mainly comprises a housing 3 , an inner cover 4 , a pad 5 , a wire 6 , a spring 7 and a stopper 8 . .

The outer casing 3 is mainly composed of an insulating plastic material, and provides a protection function for parts such as internal wires and parts that the human body may contact. The inside of the outer casing 3 is formed with a receiving passage 30, and the opposite sides of the receiving passage 30 are A mounting hole 31 and a card abutting hole 32 are formed at the ends.

The accommodating channel 30 is formed with a first aperture 301, a second aperture 302 and a third aperture 303 which are tapered in size from the mounting hole 31 toward the card abutting hole 32. The diameter of the first aperture 301 corresponds to the diameter of the first aperture 301. The second aperture 302 corresponds to the diameter dimension of the inner cover 4, and the third aperture 303 is the aperture diameter dimension of the card abutment hole 32 in the diameter dimension of the pad body 5 and the mounting hole 31.

The front end portion of the second aperture 302 constitutes a first blocking portion 304, and the front end portion of the third aperture 303 constitutes a second blocking portion 305.

The inner cover 4 is disposed at a position of the latching hole 32 of the accommodating passage 30, and is in contact with the surface of the second blocking portion 305, and the inside of the inner cover 4 forms a mounting passage 40, and the mounting passage is formed. The front and rear ends of 40 respectively form a wiring opening 41 and an insertion opening 42.

A hole abutting space 43 is formed between the wire opening 41 and the insertion hole 42. The hole size of the wire opening 41 is smaller than the diameter of the card abutting space 43. The wire opening 41 extends outwardly. The tapered tapered taper hole 410, and the insertion opening 42 also extends outwardly from a tapered tapered taper receptacle 420.

In addition, the pad body 5 is assembled at the position of the mounting hole 31 of the accommodating passage 30, and is engaged with the surface of the first blocking portion 304, and is pressed by the first blocking portion 304 as a stop for the pad body 5. The fixed final position, and the first blocking portion 304 and the second blocking portion 305 cooperate with the pad body 5 to define a space and a distance for the elastic elastic release motion of the elastic piece 7 .

A fixing passage 50 is formed in the interior of the pad body 5. The fixing passage 50 of the pad body 5 has a first diameter 51 corresponding to the wire 6 and a second diameter 52 corresponding to the stopper member 8, and the second diameter 52. It is larger than the first diameter 51 described above.

Moreover, the wire 6 is disposed through the fixing passage 50 of the pad body 5, and the wire 6 extends through the fixing passage 50 and extends outwardly from a guiding portion 60 where the exposed portion contacts other components.

The elastic piece 7 is provided with a clamping end 70 and a locking end 71 on the opposite side. The locking end 71 is mounted in the mounting passage 40 of the inner cover 4, and the clamping end 70 is riveted to the guide of the wire 6. The opposite end of the connecting portion 60, and the clamping end 70 is in contact with the rear wall surface of the pad body 5, and a space 33 is formed between the inner wall surface of the outer casing 3 and the elastic piece 7. As can be seen from the drawings, the present invention The wire end 70 of the shrapnel 7 and the central portion are not in contact with any other part structure.

When an external wire is electrically connected to the electrical connector 2 of the present invention, the card-receiving end 71 of the elastic piece 7 can provide a release elastic force in the card-receiving space 43.

In addition, the stopper 8 is sleeved on the lead wire 6. The position of the stopper 8 is disposed between the pad body 5, the wire 6 and the elastic piece 7. The above-mentioned stopper 8 can further stabilize the foregoing three. The strength of the strength between the opponents.

It should be noted that the mounting step/mode of the electrical connector 2 of the present invention is that, in the step of stamping, both the wire 6 and the elastic piece 7 are simultaneously stamped and riveted to each other, and then the above-mentioned elastic piece 7 The riveted wire 6 can be inserted into the inner cover 4 and the pad body 5 at the same time to complete the step of installing the electrical connector 2 of the present invention. This way, the use of the conventional elastic member 12 and the PIN pin 11 can be avoided. The way solder is connected, the solder connection method is easy to cause uneven thickness of tin metal, and further causes problems in assembly and installation between parts.

In this way, the electrical connector 2 of the present invention is pressed against the two sides of the elastic sheet 7 of the present invention by a single inner cover 4 and a single pad 5 and a single stopper 8 respectively, and the inner cover is respectively 4 The force of the top pressing force and the force direction of the above-mentioned pad body 5 and the stopper member 8 are pressed against each other, and the effect of the elastic piece 7 of the present invention for firmly fixing the wire 6 can be achieved.

An inner cover 13, an outer cover 16, and at least one washer and spacer 15, 17, 18 are required to achieve an effect similar to/corresponding to the single inner cover 4 of the present invention as described in the preceding paragraph. Accordingly, the present invention can achieve the purpose of stabilizing the elastic piece 7 by using a small number of parts, and can also reduce the structural assembly time of the electrical connector 2 of the present invention, reduce the overall complexity of assembly, and thereby improve automated manufacturing. The ease with which parts and components can be assembled automatically.

The above-mentioned embodiments are not intended to limit the scope of the present invention, and various simple modifications and modifications made by those skilled in the art in accordance with the scope of the invention and the description of the invention should still be made without departing from the spirit of the invention. It is included in the scope of the following patent application.

1‧‧‧Connecting terminal

10‧‧‧Protection shell

11‧‧‧PIN pin

12‧‧‧Flexible parts

13‧‧‧ Inner cover

14‧‧‧Resistance

15‧‧‧First washer

16‧‧‧ Cover

17‧‧‧shims

18‧‧‧second washer

2‧‧‧Electrical connector

3‧‧‧ Shell

30‧‧‧ accommodating channel

301‧‧‧first aperture

302‧‧‧Second aperture

303‧‧‧ third aperture

304‧‧‧First stop

305‧‧‧second stop

31‧‧‧Installation holes

32‧‧‧ card hole

33‧‧‧Interval space

4‧‧‧ Inner cover

40‧‧‧Installation channel

41‧‧‧ wiring opening

410‧‧‧Bevel tap hole

42‧‧‧Insert opening

420‧‧‧Bevel taper

43‧‧‧Card space

5‧‧‧ cushion body

50‧‧‧Fixed channel

51‧‧‧First diameter

52‧‧‧Second diameter

6‧‧‧Wire

60‧‧‧guide section

7‧‧‧Shrap

70‧‧‧Clamping end

71‧‧‧ card arrival

8‧‧‧stops

1 is a cross-sectional view of the conventional connection terminal; FIG. 2 is an exploded view of FIG. 1; FIG. 3 is a partially enlarged view of the A of the present invention; FIG. 4 is a perspective view of the electrical connector of the present invention; Figure 6 is an exploded view of Figure 4; Figure 7 is a partial enlarged view of Figure 5B.

Claims (6)

An electrical connector includes: a housing having a receiving passage formed therein, and opposite ends of the receiving passage are respectively formed with a mounting hole and a card abutting hole; and an inner cover, the card assembled to the receiving channel a hole is disposed, and a mounting passage is formed therein; a pad body is disposed at a position of the mounting hole of the accommodating channel, and a fixed passage is formed therein; a wire is disposed through the fixed passage of the pad body, and is The fixing channel extends outwardly from a guiding portion; a resilient piece is provided with a clamping end and a card abutting end on the opposite side, the card abutting end is mounted in the mounting channel of the inner cover, and the clamping end is riveted to The opposite end of the guiding section of the wire, and the clamping end is in contact with the pad body, and a space is formed between the inner wall surface of the outer casing and the elastic piece. The electrical connector of claim 1, wherein the electrical connector further includes a stopper, the stopper is sleeved on the wire, and is located on the pad body, the elastic piece and the wire between. The electrical connector of claim 2, wherein the fixed passage of the pad body has a first diameter corresponding to the wire and a second diameter corresponding to the stopper, wherein the second diameter is greater than the above One diameter. The electrical connector of claim 1, wherein the two ends of the mounting passage of the inner cover are respectively formed with a wiring opening and an insertion opening, and a card is formed between the wiring opening and the insertion opening. Space, and the aperture size of the above-mentioned wiring opening is smaller than the diameter dimension of the above-mentioned card-to-space. The electrical connector of claim 4, wherein the wiring opening extends outwardly from a tapered tapered taper hole, and the insertion opening also extends outwardly from a tapered taper hole. The electrical connector of claim 1, wherein the receiving channel is formed by the mounting hole toward the card abutting hole, and a first aperture, a second aperture and a third aperture are gradually reduced in size. The inner cover is engaged with the second blocking portion formed by the front end portion of the third aperture, and the pad is engaged with the first blocking portion formed by the front end portion of the second aperture.