CN207398497U - A headphone connector with a positive angle - Google Patents

Abstract

The utility model relates to a forward-inclined headphone connector, comprising: a main body and a plurality of terminals, the main body comprising: a front wall, a rear wall, a first side wall, a second side wall, a top wall and a bottom wall, the main body having an insertion channel, the insertion channel having an insertion port and a plurality of connection ports, the insertion port being located on the front wall, the connection port being located on the inner wall of the insertion channel, the front wall having an inclined surface, the inclined surface being inclined from the front wall toward the direction close to the rear wall and the top wall, the terminal having a contact portion and a pin portion, the contact portion being located in the connection port, and the pin portion extending toward the bottom wall to the outside of the main body. The headphone connector can not only adapt to electronic products with an inclined front end, but also effectively avoid the problem of the pin portion being separated from the circuit board, causing electrical connection failure.

Description

A headphone connector with a positive angle

technical field

The utility model relates to a positively inclined earphone connector.

Background technique

At present, the demand for mobile phones and tablet computers is increasing, and more and more users like to use earphones to realize the above-mentioned functions when using the above-mentioned electronic products to make calls or listen to music. Therefore, mobile phones and tablet computers are usually provided with earphone connectors that match the earphone plugs.

The earphone connector is usually provided with a plurality of terminals, and the plurality of terminals are respectively electrically connected to a plurality of electrodes of the plug, and the pins of the terminals are welded on the circuit board of the electronic product, thereby connecting the plug and the circuit board. Chinese patent CN202454782 discloses an electronic product and an earphone connector thereof. The earphone connector has a front terminal, a side terminal and a rear terminal for forming an electrical connection, and the front end of the earphone connector is provided with a bevel to adapt to the inclination of the front end. of electronic products.

However, the inclination direction of the inclined surface of the earphone connector is the same as the extension direction of the terminal pins. During the plug insertion process, the user usually inserts in a direction perpendicular to the inclined surface, so the force exerted by the user will cause the terminal pins to move away from the circuit board. trend in the direction of movement. As the number of insertions increases, the soldering position of the pin may become loose or even fall off, causing the problem of electrical connection failure.

Utility model content

In order to solve the above problems, the utility model provides a positively inclined earphone connector. The earphone connector includes: a main body and a plurality of terminals, and the main body includes: a front wall, a rear wall, a first side wall, a second Two side walls, a top wall and a bottom wall, the front wall is opposite to the rear wall, the first side wall is opposite to the second side wall, the top wall is opposite to the bottom wall, The main body has an insertion channel, the insertion channel has an insertion port and a plurality of connection ports, the insertion port is located on the front wall, the connection ports are located on the inner wall of the insertion channel, and the front wall There is an inclined surface, the inclined surface is inclined from the front wall to the direction close to the rear wall and the top wall, the terminal has a contact portion and a pin portion, the contact portion is located in the connection port, the The pin portion extends to the outside of the main body toward the bottom wall.

Preferably, the plastic main body also has two support platforms protruding from the first side wall and the second side wall respectively, the support platform has a plurality of lead-out grooves, and the lead-out The slot is open towards the bottom wall, and the pin part extends to the outside of the main body through the drawing slot.

Preferably, the main body is a plastic main body, and the earphone connector further includes: a metal frame, and the metal frame includes: a top board, a first side board and a second side board, the top board, the first side board and the The second side panels are respectively located in the top wall, the first side wall and the second side wall.

Preferably, the metal frame is formed of stainless steel or copper alloy.

Preferably, the metal frame also has supporting ribs, and the supporting ribs extend to the outside of the plastic main body through the lead-out slots.

Preferably, the support ribs are grounded.

Preferably, it is characterized in that: there are multiple grooves on the bottom wall of the main body, the grooves communicate with the connection port and the lead-out groove, and the earphone connector further includes: waterproof adhesive tape, the waterproof Adhesive tape seals the plurality of grooves.

Preferably, the waterproof adhesive tape is a high temperature resistant waterproof adhesive tape.

Preferably, both the top wall and the bottom wall are stepped.

The beneficial effect of the utility model is that: for the earphone connector with the above structure, it can not only adapt to electronic products with inclined front ends, but also because the inclined direction of the inclined surface of the front wall is opposite to the extension direction of the pin part of the terminal, the user can insert the plug When the earphone connector is pushed to the direction of the circuit board (soldering direction), it can effectively prevent the pin part from being separated from the circuit board, resulting in the failure of the electrical connection.

Description of drawings

Fig. 1 is a schematic diagram of the earphone connector involved in the present invention before use;

Fig. 2 is a schematic diagram of the earphone connector involved in the present invention;

Fig. 3 is another schematic diagram of the earphone connector involved in the present invention;

Fig. 4 is a schematic diagram when the earphone connector involved in the present invention is not pasted with adhesive paper;

Fig. 5 is the schematic diagram of the metal frame involved in the utility model;

FIG. 6 is a schematic diagram of multiple terminals involved in the present invention.

Detailed ways

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

As shown in FIG. 1 , an earphone connector 1 is used to receive a plug 2 of an earphone. The earphone plug 2 has a first electrode 21, a second electrode 22, a third electrode 23 and a fourth electrode 24, wherein the first electrode 21, the second electrode 22, the third electrode 23 and the fourth electrode 24 are along the direction of the earphone plug 2. The insertion direction is arranged sequentially. The earphone connector 1 includes: a plastic body 11 , a metal frame 12 , a plurality of terminals 13 and a waterproof tape 14 (shown in FIG. 2 ). The metal frame 12 is located inside the plastic body 11 , a plurality of terminals 13 extend from the inside of the plastic body 11 to the outside of the plastic body 11 , and the waterproof tape 14 is pasted on the outside of the plastic body 11 .

2 and 3, the plastic body 11 includes: a front wall 11a, a rear wall 11b, a first side wall 11c, a second side wall 11d, a top wall 11e and a bottom wall 11f, wherein the front wall 11a and the rear wall 11b is opposed to each other, the first side wall 11c is opposed to the second side wall 11d, and the top wall 11e is opposed to the bottom wall 11f. The front wall 11a has an inclined surface 110, and the inclined surface 110 is inclined from the front wall 11a toward the rear wall 11b and the top wall 11e, that is, the length of the top wall 11e is shorter than that of the bottom wall 11f.

The plastic body 11 has an insertion channel 111 , and the insertion channel 111 has an insertion opening 1111 and a plurality of connection openings 1112 . Wherein, the insertion port 1111 is located on the front wall 11a, the connection port 1112 is located on the inner wall of the insertion channel 111, and one of the connection ports 1112 is located near the rear wall 11b and opposite to the insertion port 1111. The plastic body 11 also has two supporting platforms 112 protruding from the first side wall 11c and the second side wall 11d respectively.

As shown in FIG. 4 , the bottom wall 11 f of the plastic body 11 has a plurality of grooves 113 , and the waterproof tape 14 seals the plurality of grooves 113 . The support platform 112 has a plurality of lead-out grooves 1120 , the lead-out grooves 1120 open toward the bottom wall 11 f , and the connecting port 1112 communicates with the lead-out grooves 1120 through the groove 113 .

As shown in FIG. 5 , the cross section of the metal frame 12 is roughly in the shape of an inverted "凵", including: a top plate 12a, a first side plate 12b and a second side plate 12b. The top panel 12 a , the first side panel 12 b and the second side panel 12 b are respectively located in the top wall 11 e , the first side wall 11 c and the second side wall 11 d of the plastic body 11 . In this embodiment, the metal frame 12 is formed inside the plastic main body 11 by in-mold injection molding. Wherein, the use of the plastic body 11 can reduce the weight and cost of the headphone connector, and since the plastic body 11 has the metal frame 12, the strength of the plastic body 11 is strengthened, which can effectively prevent the plastic body 11 from being deformed or damaged.

The terminal 13 has a contact portion and a pin portion, the groove 113 communicates with the connection port 1112 and the lead-out groove 1120, the contact portion of the terminal 13 is located in the connection port 1112, and the pin portion of the terminal 13 passes through the lead-out groove 1120 and extends toward the bottom wall 11f to The exterior of the plastic body 11. As shown in FIG. 6 , the plurality of terminals 13 include: a first terminal 13a, a second terminal 13b, a third terminal 13c, a fourth terminal 13d and a fifth terminal 13e. The first terminal 13a, the second terminal 13b, the third terminal 13c and the fourth terminal 13d are respectively used to form electrical connection with the first electrode 21, the second electrode 22, the third electrode 23 and the fourth electrode 24 of the earphone plug 2, The fifth terminal 13 e is used to form an electrical connection with the fourth electrode 24 . Wherein, the insertion of the earphone plug 2 can be detected through the fifth terminal 13e, specifically, the fifth terminal 13e is a high-level output, when the fifth terminal 13e and the fourth terminal 13d are connected to the fourth electrode 24 of the earphone plug 2 at the same time , the fifth terminal 13e changes from high level to low level output. The pin part is used for welding with the circuit board of the electronic product, so as to form an electrical connection with the circuit on the circuit board.

For the earphone connector with the above-mentioned structure, it can not only adapt to electronic products with inclined front ends, but also because the inclined direction of the inclined surface 110 of the front wall 11a is opposite to the extension direction of the pin part of the terminal 13, when the user inserts the plug 2, it will be The earphone connector is pushed toward the direction of the circuit board (welding direction), so it can effectively avoid the problem that the pin part is separated from the circuit board and cause the electrical connection failure.

As a preferred solution, the contact portion of the fifth terminal 13e is located in the connection port 1112 opposite to the insertion port 1111, so that the contact portion of the fifth terminal 13e is also opposite to the insertion port 1111, so no matter where the plug is biased On one side, the fifth terminal 13e can form an electrical connection with the fourth electrode 24, effectively avoiding detection failure.

As a preferred solution, there are two contact parts of the fifth terminal 13e, and the two contact parts are separated from each other. This structure can better ensure the electrical connection between the fifth terminal 13e and the fourth electrode 24, avoiding detection failure.

As a preferred solution, there are two fourth terminals 13d, and the contact portions of the two fourth terminals 13 are opposite to each other. Since the fourth electrode 24 of the earphone plug 2 is located at the tail, and the earphone plug 2 is generally pointed (smaller in size), the two fourth terminals 13d can more effectively ensure stable contact between the fourth terminal 13d and the fourth electrode 24 .

As a preferred solution, as shown in FIG. 3 and FIG. 5 , the metal frame 12 also has support ribs 121 , and the support ribs 121 extend to the outside of the plastic main body 11 through the lead-out groove 1120 of the support platform 112 . The supporting ribs 121 can also be welded with the circuit board to share the force borne by the pins of the terminals 13 .

As a more preferred solution, the supporting ribs 121 are grounded. After the supporting ribs 121 are grounded, the entire metal frame 12 forms a ground connection, thereby shielding the terminals 13 from antenna signal interference on the electronic product.

As a preferred solution, the waterproof adhesive tape 14 is a high-temperature-resistant waterproof adhesive tape. As a preferred solution, the waterproof adhesive tape 14 is a Kapton film (benzene-type polyimide film), or a Mylay film (polyester polymer film). film). The above materials can make the waterproof adhesive tape 14 adapt to the high temperature environment inside the electronic product while being waterproof, so as to ensure the service life.

As a preferred solution, the metal frame 12 is formed of stainless steel or copper alloy. The hardness of stainless steel or copper alloy is relatively high, which can effectively improve the strength of the headphone connector.

As a preferred solution, the top wall 11 e of the plastic body 11 has a boss 114 inserted into the through hole 122 of the metal frame 12 . Through the engagement of the boss 114 and the through hole 122 , the metal frame 12 can be prevented from being deformed due to temperature changes.

As a preferred solution, both the top wall 11e and the bottom wall 11f of the plastic body 11 are stepped, which can enhance the compression resistance in two directions of the top wall 11e and the bottom wall 11f.

The above-described embodiments are only preferred examples of the utility model, and are not intended to limit the scope of implementation of the utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the utility model patent scope , should be included in the utility model patent application scope.

Claims (9)

1. a kind of inclined headset connector of forward direction, the headset connector include：Main body and multiple terminals, the main body bag It includes：Antetheca, rear wall, the first side wall, second sidewall, roof and bottom wall, the antetheca and the rear wall are opposed, first side Wall and the second sidewall are opposed, and the roof and the bottom wall are opposed, and the main body has insertion passage, the insertion There are one insert port and multiple connectors, the insert port is located on the antetheca passage tool, and the connector is located at described insert Enter on the inner wall of passage, it is characterised in that：

There is inclined surface, the inclined surface is inclined from the antetheca toward close to the direction of the rear wall and the roof on the antetheca Tiltedly, the terminal has contact portion and pin portions, and the contact portion is located in the connector, the pin portions court The outside of the main body is extended to the bottom wall.

2. positive inclined headset connector as described in claim 1, it is characterised in that：The main body supports there are two also having Platform, two supporting tables are protruded respectively from the first side wall and the second sidewall, have multiple lead-out grooves in the supporting table, The lead-out groove extends the outside of the main body by the lead-out groove towards the bottom wall opening, the pin portions.

3. positive inclined headset connector as claimed in claim 2, it is characterised in that：The main body be plastic body, institute Headset connector is stated to further include：Metal framework, the metal framework include：Top plate, the first side plate and the second side plate, the top Plate, first side plate and second side plate are located in the roof, the first side wall and the second sidewall respectively.

4. positive inclined headset connector as claimed in claim 3, it is characterised in that：The metal framework for stainless steel or Copper alloy is formed.

5. positive inclined headset connector as claimed in claim 4, it is characterised in that：The metal framework also has support Rib, the support rod extend to the outside of the plastic body by the lead-out groove.

6. positive inclined headset connector as claimed in claim 5, it is characterised in that：The support rod ground connection is set.

7. positive inclined headset connector as claimed in claim 2, it is characterised in that：It is characterized in that：The main body There are multiple grooves, the groove connects the connector and the lead-out groove, the headset connector further include on bottom wall：It is anti- Glue paper, the waterproof gummed paper seal the multiple groove.

8. positive inclined headset connector as claimed in claim 7, it is characterised in that：The waterproof gummed paper is prevented for high temperature resistant Glue paper.

9. positive inclined headset connector as described in claim 1, it is characterised in that：The roof and the bottom wall are all in It is stepped.