Earphone socket connector

Abstract

The earphone socket connector comprises a male head and a female seat. The female seat comprises a plastic base, a signal terminal, a first switch terminal and a second switch terminal, the plastic base is provided with a jack, the first switch terminal comprises a first fixing part, a first elastic arm, a first weld leg and an insulating block, one end of the first elastic arm is connected to the first fixing part, and the insulating block is connected to and wraps the other end of the first elastic arm; the first welding leg is connected to the first fixing part; the second switch terminal comprises a second fixing part, a matching part positioned on the outer side of the first elastic arm, and a second welding pin; the male head can be inserted into the jack, a contact area matched with the signal terminal is arranged on the peripheral surface of the male head, an extrusion part is formed at the end part of the male head, and the extrusion part is used for extruding the insulating block outwards when the male head is inserted into the jack, so that the first elastic arm is in contact with the matching part of the second switch terminal after being deformed outwards and is electrically conducted with the matching part of the second switch terminal. According to the utility model, the audio transmission is not interfered, and the audio transmission quality is improved.

Description

Technical Field

[0001] This utility model relates to the field of connector technology, specifically to an earphone jack connector. Background Technology

[0002] Headphone jack connectors are commonly used in electronic devices. They consist of a male connector and a female connector. The female connector has multiple signal terminals. When the male connector is plugged into the female connector, the multiple contacts on the male connector make contact with the multiple signal terminals on the female connector to transmit audio signals. To detect whether the male connector is inserted into the female connector, a switch terminal is usually provided on the female connector. After the male connector is inserted into the female connector, the protruding part at the front end of the male connector pushes the signal terminal, causing the signal terminal to deform and separate from the switch terminal, thus detecting whether the male connector is inserted into the female connector. In this structure, the switch terminal and one of the signal terminals share a single electrical signal, which often interferes with audio transmission and affects the quality of audio transmission. Utility Model Content

[0003] The main purpose of this invention is to provide a headphone jack connector that can avoid interference from the switching terminals of the male and female connector insertion detection on audio transmission, thereby improving the quality of audio transmission.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] Headphone jack connector, including male and female connectors;

[0006] The female connector includes a plastic base, signal terminals, a first switch terminal, and a second switch terminal. The plastic base has a socket extending rearward from its front end. The first switch terminal includes a first fixing part that is fixedly engaged with the plastic base, a first elastic arm, a first solder foot, and an insulating block. One end of the first elastic arm is connected to the first fixing part, and the insulating block is connected to and wraps around the other end of the first elastic arm and is located at the rear end of the socket. The first solder foot is connected to the first fixing part and protrudes from the outer surface of the plastic base. The second switch terminal includes a second fixing part that is fixedly engaged with the plastic base, a mating part connected to the second fixing part and located outside the first elastic arm, and a second solder foot connected to the second fixing part and protruding from the outer surface of the plastic base.

[0007] The male connector can be inserted into the socket from the front end. The outer circumferential surface of the male connector is provided with a contact area that matches the signal terminal. The end of the male connector forms a pressing part, which is used to press the insulating block outward when the male connector is inserted into the socket so that the first elastic arm deforms outward and contacts the mating part of the second switch terminal and conducts electricity.

[0008] Preferably, the second switch terminal includes a second elastic arm, one end of which is connected to the second fixed part, and the mating part is located at the other end of the second elastic arm.

[0009] Preferably, the second elastic arm gradually tilts towards the insertion hole from front to back, the front end of the second elastic arm is connected to the second fixing part, and the mating part is formed by bending the rear end of the second elastic arm towards the insertion hole.

[0010] Preferably, a recess is formed at the rear end of the second elastic arm to form two mating portions located on both sides of the recess at the rear end of the second elastic arm.

[0011] Preferably, the plastic base is provided with a mounting groove on one side of the socket. The upper end of the mounting groove extends to the upper surface of the plastic base to form an opening. The inner side of the mounting groove is connected to the rear end of the socket through a connecting hole. The first fixing part of the first switch terminal and the second fixing part of the second switch terminal are both inserted into the mounting groove through the opening of the mounting groove, so that the first fixing part and the second fixing part are fixedly engaged with the plastic base. The insulating block of the first switch terminal extends into the rear end of the socket through the connecting hole.

[0012] Preferably, the front end of the mounting groove is provided with a first baffle extending forward and backward, and the rear end is provided with a second baffle extending forward and backward. The first baffle divides the front end of the mounting groove into two first locking grooves, and the second baffle divides the rear end of the mounting groove into two second locking grooves. The first fixing part is plate-shaped, and its front and rear ends are respectively locked in the first locking groove and the second locking groove located on the inner side. The second fixing part is plate-shaped, and its front and rear ends are respectively locked in the first locking groove and the second locking groove located on the outer side. The second elastic arm passes through the space between the first baffle and the second baffle.

[0013] Preferably, the first weld leg is connected to the upper edge of the first fixing part and extends out of the plastic base through the opening of the mounting groove; the second weld leg is connected to the upper edge of the second fixing part and extends out of the plastic base through the opening of the mounting groove.

[0014] Preferably, the side of the plastic base is provided with an outwardly protruding extension, the upper surface of which is flush with the upper surface of the plastic base. The extension is provided with two through grooves extending from its upper surface to its lower surface. The upper surface of the plastic base is provided with two downwardly recessed grooves, the inner side of which is connected to the opening of the mounting groove, and the outer side of which is connected to the two through grooves respectively. The first welding foot and the second welding foot both include a horizontal extension section and a vertical extension section extending downward from the outer side of the horizontal extension section. The horizontal extension sections of the first welding foot and the second welding foot are formed by bending the first fixing part and the second fixing part outward and are respectively placed in the two grooves. The vertical extension sections of the first welding foot and the second welding foot protrude from the lower surface of the extension after passing through the two through grooves respectively.

[0015] Preferably, the female connector includes multiple signal terminals, each signal terminal including a connecting part, a spring, a contact part, and a soldering part that are fixedly fitted to the plastic base. One end of the spring is connected to the connecting part, the contact part is located at the other end of the spring, and the soldering part is fixed to the connecting part and protrudes from the outer surface of the plastic base. The contact parts of the multiple signal terminals are arranged along the extension direction of the socket. The outer peripheral surface of the male connector has contact areas arranged along the extension direction of the male connector.

[0016] Preferably, the plastic base is provided with multiple insertion slots, one end of which extends to the upper surface of the plastic base. Multiple signal terminals are respectively inserted into the multiple insertion slots so that the connection part of the signal terminals is fixed on the plastic base. The contact parts of the multiple signal terminals are pressed onto the multiple contact areas after the male is inserted into the socket.

[0017] This invention detects whether the male connector is inserted into the female connector by deforming the first elastic arm on the first switch terminal under pressure and then contacting the second switch terminal. Neither the first nor the second switch terminal will contact the signal terminal for audio transmission. Furthermore, the male connector contacts the insulating block during insertion, preventing the contact area on the male connector from contacting the first and second switch terminals, thus avoiding interference with audio transmission and improving the quality of audio transmission. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 for Figure 1 Schematic diagram of the structure of the plastic base;

[0021] Figure 3 for Figure 2 Top view of the plastic base;

[0022] Figure 4 for Figure 1 A schematic diagram of the structure of the first and second switch terminals;

[0023] Figure 5 This is a schematic diagram of one working state of the present invention;

[0024] Figure 6This is a schematic diagram of another working state of the present invention.

[0025] Wherein: 100, female connector; 10, plastic base; 101, front end face; 102, upper surface; 103, extension; 104, recess; 105, through groove; 11, mounting groove; 111, connecting hole; 112, first baffle; 113, first locking groove; 114, second baffle; 115, second locking groove; 12, plug-in groove; 13, plug hole; 20, first switch terminal; 21, first fixing part; 22, first... 23. Elastic arm; 231. First weld foot; 232. Horizontal extension section; 233. Vertical extension section; 24. Insulating block; 30. Second switch terminal; 31. Second fixing part; 32. Second elastic arm; 321. Recess; 33. Second weld foot; 34. Mating part; 40. Signal terminal; 41. Connecting part; 42. Spring; 43. Contact part; 44. Welding part; 50. Male connector; 501. Extrusion part; 51. Contact area.

[0026] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0028] It should be noted that all directional indicators (such as up, down, left, right, front, back, etc.) in this utility model embodiment are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0029] Furthermore, the use of terms such as "first" and "second" in this utility model is for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. Additionally, the technical solutions of the various embodiments can be combined with each other, but only on the basis of being achievable by those skilled in the art. When the combination of technical solutions is contradictory or impossible to implement, such a combination of technical solutions should be considered non-existent and not within the scope of protection claimed by this utility model.

[0030] like Figure 1 , 2As shown in Figures 3, 4, 5, and 6, the device includes a male connector 50 and a female connector 100. The female connector 100 includes a plastic base 10, a signal terminal 40, a first switch terminal 20, and a second switch terminal 30. The plastic base 10 is made of insulating plastic material. A socket 13 is provided on the plastic base 10. The front end of the socket 13 extends to the front end face 101 of the plastic base 10 and extends rearward from the middle of the plastic base 10. The first switch terminal 20 and the second switch terminal 30 are both made of metal sheet. The first switch terminal 20 includes a first fixing part 21 that is fixedly engaged with the plastic base 10, a first elastic arm 22, and a first solder foot 2. 3. An insulating block 24 is included. One end of the first elastic arm 22 is connected to the first fixing part 21. The insulating block 24 is made of the same material as the plastic base 10. It wraps around the other end of the first elastic arm 22 and is placed at the rear end of the socket 13. The first solder foot 23 is connected to the first fixing part 21 and protrudes from the outer surface of the plastic base 10. The second switch terminal 30 includes a second fixing part 31 that is fixedly engaged with the plastic base 10, a mating part 34 connected to the second fixing part 31, and a second solder foot 33 connected to the second fixing part 31 and protruding from the outer surface of the plastic base 10. The mating part 34 is located outside the first elastic arm 22, i.e., the mating part 3. 4 is located on the side of the first elastic arm 22 away from the socket 13; the shape of the male connector 50 matches the socket 13, so that the male connector 50 can be inserted into the socket 13 from the front end of the socket 13. The outer peripheral surface of the male connector 50 is provided with a contact area 51 that matches the signal terminal 40. A pressing part 501 is formed at the end of the male connector 50. When the male connector 50 is inserted into the socket 13, the pressing part 501 on the male connector 50 moves towards the rear end of the socket 13. When the pressing part 501 moves to the rear end of the socket 13, it contacts the insulating block 24. During the continuous insertion of the male connector 50, the pressing part 501 continuously squeezes the insulating block 24 outward. As the insulating block 24 moves outward, it causes the first elastic arm 22 to deform outward. After deformation, the first elastic arm 22 contacts the mating part 34 on the second switch terminal 30 and becomes electrically connected. After the male head 50 is inserted into the socket 13, the outward deformation of the first elastic arm 22 causes the first elastic arm 22 to press against the mating part 34. The contacting first elastic arm 22 and the mating part 34 achieve electrical connection between the first switch terminal 20 and the second switch terminal 30. The first solder foot 23 and the second solder foot 33 are soldered to the corresponding terminals on the circuit board to connect the first switch terminal 20 and the second switch terminal 30 to the circuit board.

[0031] See Figure 5As shown, when the male connector 50 is not inserted into the socket 13 or is not properly inserted into the socket 13, the insulating block 24 will not be squeezed by the pressing part 501 of the male connector 50, the first elastic arm 22 will not deform, that is, the first elastic arm 22 will not contact the mating part 34, and the first switch terminal 20 and the second switch terminal 30 are in the open state. At this time, it is determined that the headphone jack connector is in the unconnected state; see also Figure 6 As shown, when the male connector 50 is inserted into the socket 13, the insulating block 24 causes the first elastic arm 22 to deform outward, making the first elastic arm 22 contact the mating part 34. The first switch terminal 20 and the second switch terminal 30 are short-circuited. At this time, it is determined that the headphone jack connector is in the connected state, thus realizing the detection function of whether the male connector 50 is inserted into the female connector 100. Compared with the prior art, in this utility model, the detection of whether the male connector 50 is inserted into the female connector 100 is achieved by the first elastic arm 22 on the first switch terminal 20 being squeezed and deformed and contacting the second switch terminal 30. Neither the first switch terminal 20 nor the second switch terminal 30 will contact the signal terminal 40 for audio transmission. Furthermore, the male connector 50 contacts the insulating block 24 during insertion, avoiding contact between the contact area 51 on the male connector 50 and the first switch terminal 20 and the second switch terminal 30, thereby not interfering with audio transmission and improving the quality of audio transmission.

[0032] In a preferred embodiment, to ensure better contact between the first elastic arm 22 and the mating part 34 after deformation, while preventing the mating part 34 from rigidly impacting the first elastic arm 22, the second switch terminal 30 further includes a second elastic arm 32. One end of the second elastic arm 32 is connected to the second fixing part 31, and the mating part 34 is located at the other end of the second elastic arm 32. When the first elastic arm 22 is squeezed outward, it contacts the mating part 34 and squeezes the mating part 34 outward, causing the second elastic arm 32 to deform outward. The deformed second elastic arm 32 applies an inward elastic stress to the first elastic arm 22, making the contact reliability between the first elastic arm 22 and the mating part 34 higher. Furthermore, at the moment of contact between the first elastic arm 22 and the mating part 34, the deformation of the second elastic arm 32 provides buffering, preventing the mating part 34 from generating a rigid impact with the first elastic arm 22, thus protecting the mating part 34 and the first elastic arm 22 and extending the service life of the headphone jack connector. The second elastic arm 32 is configured to gradually tilt towards the insertion hole 13 from front to back. The front end of the second elastic arm 32 is connected to the second fixing part 31, and the mating part 34 is formed by bending the rear end of the second elastic arm 32 towards the insertion hole 13. A recess 321 is formed at the rear end of the second elastic arm 32, and two mating parts 34 are formed at the rear end of the second elastic arm 32, respectively located on both sides of the recess 321. The provision of two mating parts 34 further improves the reliability of the contact between the mating parts 34 and the first elastic arm 22, thereby improving the accuracy of detection.

[0033] A mounting groove 11 is provided on the plastic base 10 on one side of the socket 13. The upper end of the mounting groove 11 extends to the upper surface 102 of the plastic base 10 and forms an opening on the upper surface 102. The inner side of the mounting groove 11 is connected to the rear end of the socket 13 through a connecting hole 111. The first fixing part 21 of the first switch terminal 20 and the second fixing part 31 of the second switch terminal 30 are both inserted into the mounting groove 11 from top to bottom through the opening of the mounting groove 11. The first fixing part 21 is located inside the second fixing part 31, and the first fixing part 21 and the second fixing part 31 are fixedly engaged with the plastic base 10. The insulating block 24 on the first switch terminal 20 extends into the rear end of the socket 13 through the connecting hole 111. The mounting groove 11 has a front end with a first baffle 112 extending forward and backward, and a rear end with a second baffle 114 extending forward and backward. The first baffle 112 divides the front end of the mounting groove 11 into two first locking grooves 113, and the second baffle 114 divides the rear end of the mounting groove 11 into two second locking grooves 115. The first fixing part 21 and the second fixing part 31 are both sheet-like structures. The front and rear ends of the first fixing part 21 are respectively locked in the inner first locking groove 113 and the inner second locking groove 115. The first fixing part 21 is tightly fitted with the inner wall surfaces of the first locking groove 113 and the second locking groove 115, so that the first fixing part 21 is fixed to the plastic base 10. The front and rear ends of the second fixing part 31 are respectively locked in the outer side. In the first locking groove 113 and the second locking groove 115 located on the outside, the second fixing part 31 is tightly fitted with the inner wall surface of the first locking groove 113 and the second locking groove 115, so that the second fixing part 31 is fixed to the plastic base 10. The first baffle 112 and the second baffle 114 insulate and isolate the first fixing part 21 and the second fixing part 31. Under the premise that the first switch terminal 20 and the second switch terminal 30 are as close as possible to reduce the width of the plastic base 10, abnormal contact between the first switch terminal 20 and the second switch terminal 30 is avoided. The second elastic arm 32 passes through the first baffle 112 and the second baffle 114, so that the mating part 34 on the second elastic arm 32 can be squeezed by the deformed first elastic arm 22.

[0034] The first welding foot 23 is connected to the upper edge of the first fixing part 21 and extends out of the plastic base 10 through the opening at the top of the mounting groove 11. The second welding foot 33 is connected to the upper edge of the second fixing part 31 and extends out of the plastic base 10 through the opening at the top of the mounting groove 11. An outwardly protruding extension 103 is provided on the side of the plastic base 10. The upper surface of the extension 103 is flush with the upper surface 102 of the plastic base 10. Two through grooves 105 are provided on the extension 103, extending from its upper surface to its lower surface. Two downwardly recessed grooves 104 are provided on the upper surface 102 of the plastic base 10. The inner sides of the two grooves 104 are connected to the opening of the mounting groove 11, and the outer sides of the two grooves 104 are connected to the two through grooves 105 respectively. The first welding foot 23 includes a horizontal extension section 231 and a vertical extension section 232 that extends downward after being bent from the outer side of the horizontal extension section 231. The horizontal extension section 231 is placed in one of the grooves 104, and the vertical extension section 232 is connected to the through groove 105 of the groove 105. 05 extends downward and protrudes from the lower surface of the extension 103. When assembling the first switch terminal 20 with the plastic base 10, the first fixing part 21 is inserted into the mounting groove 11 from top to bottom, and the vertical extension 232 is inserted into the through groove 105 from top to bottom. The part of the vertical extension 232 protruding from the lower surface of the extension 103 is used to solder to the corresponding terminal on the circuit board. The horizontal extension 231 is sunk into the recess 104 to prevent the first switch terminal 20 from protruding from the upper surface 102 of the plastic base 10, making the entire female base 100 structure more compact. The second solder foot 33 on the second switch terminal 30 has the same structure as the first solder foot 23 mentioned above, and will not be described again here. Another recess 104 and through groove 105 are used to adapt the second solder foot 33.

[0035] The female connector 100 includes multiple signal terminals 40. Each signal terminal 40 includes a connecting part 41, a spring 42, a contact part 43, and a soldering part 44 that are fixedly fitted to the plastic base 10. One end of the spring 42 is connected to the connecting part 41, the contact part 43 is located at the other end of the spring 42, and the soldering part 44 is fixed to the connecting part 41 and protrudes from the outer surface of the plastic base 10. After the connecting parts 41 of the multiple signal terminals 40 are fixed to the plastic base 10, the contact parts 43 on the multiple signal terminals 40 are arranged in the extension direction of the socket 13. The outer peripheral surface of the male connector 50 is provided with multiple contact areas 51, which are arranged along the extension direction of the male connector 50. After the male connector 50 is inserted into the socket 13, the contact parts 43 of the multiple signal terminals 40 contact and cooperate with the multiple contact areas 51 one by one to realize the transmission of multiple signals. The plastic base 10 is provided with multiple insertion slots 12. The upper end of the insertion slot 12 extends to the upper surface 102 to form an opening. Multiple signal terminals 40 are inserted into the insertion slots 12 through the openings of the multiple insertion slots 12, so that the connection part 41 of the signal terminal 40 is fixedly engaged with the plastic base 10. The contact parts 43 of the multiple signal terminals 40 are in contact with the multiple contact areas 51 respectively. After the male head 50 is inserted into the socket 13, the contact area 51 on the male head 50 presses the contact part 43 of the corresponding signal terminal 40, causing the spring 42 to deform. The deformed spring 42 generates a certain elastic stress so that the contact part 43 can make relatively stable contact with the contact area 51.

[0036] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. All equivalent structural transformations made under the inventive concept of the present utility model using the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. An earphone jack connector, characterized in that, Including male head and female seat; The female connector includes a plastic base, signal terminals, a first switch terminal, and a second switch terminal. The plastic base has a socket extending rearward from its front end. The first switch terminal includes a first fixing part that is fixedly engaged with the plastic base, a first elastic arm, a first solder foot, and an insulating block. One end of the first elastic arm is connected to the first fixing part, and the insulating block is connected to and wraps around the other end of the first elastic arm and is located at the rear end of the socket. The first solder foot is connected to the first fixing part and protrudes from the outer surface of the plastic base. The second switch terminal includes a second fixing part that is fixedly engaged with the plastic base, a mating part connected to the second fixing part and located outside the first elastic arm, and a second solder foot connected to the second fixing part and protruding from the outer surface of the plastic base. The male connector can be inserted into the socket from the front end. The outer circumferential surface of the male connector is provided with a contact area that matches the signal terminal. The end of the male connector forms a pressing part, which is used to press the insulating block outward when the male connector is inserted into the socket so that the first elastic arm deforms outward and contacts the mating part of the second switch terminal and conducts electricity.

2. The headphone jack connector as described in claim 1, characterized in that, The second switch terminal includes a second elastic arm, one end of which is connected to a second fixed part, and a mating part is located at the other end of the second elastic arm.

3. The headphone jack connector as described in claim 2, characterized in that, The second elastic arm gradually tilts towards the socket from front to back. The front end of the second elastic arm is connected to the second fixed part, and the mating part is formed by bending the rear end of the second elastic arm towards the socket.

4. The headphone jack connector as described in claim 3, characterized in that, A recess is formed at the rear end of the second elastic arm to form two mating portions located on both sides of the recess at the rear end of the second elastic arm.

5. The headphone jack connector as described in claim 2, characterized in that, The plastic base is provided with a mounting groove on one side of the socket. The upper end of the mounting groove extends to the upper surface of the plastic base to form an opening. The inner side of the mounting groove is connected to the rear end of the socket through a connecting hole. The first fixing part of the first switch terminal and the second fixing part of the second switch terminal are both inserted into the mounting groove through the opening of the mounting groove, so that the first fixing part and the second fixing part are fixedly engaged with the plastic base. The insulating block of the first switch terminal extends into the rear end of the socket through the connecting hole.

6. The headphone jack connector as described in claim 5, characterized in that, The mounting slot has a first baffle extending forward and backward at its front end and a second baffle extending forward and backward at its rear end. The first baffle divides the front end of the mounting slot into two first locking slots, and the second baffle divides the rear end of the mounting slot into two second locking slots. The first fixing part is plate-shaped, with its front and rear ends respectively locked in the first locking slot and the second locking slot located on the inner side. The second fixing part is plate-shaped, with its front and rear ends respectively locked in the first locking slot and the second locking slot located on the outer side. The second elastic arm passes through the space between the first baffle and the second baffle.

7. The headphone jack connector as described in claim 6, characterized in that, The first weld foot is connected to the upper edge of the first fixing part and extends out of the plastic base through the opening of the mounting groove; the second weld foot is connected to the upper edge of the second fixing part and extends out of the plastic base through the opening of the mounting groove.

8. The headphone jack connector as described in claim 7, characterized in that, The plastic base has an outwardly protruding extension on its side, the upper surface of which is flush with the upper surface of the plastic base. The extension has two through grooves that extend from its upper surface to its lower surface. The upper surface of the plastic base has two downwardly recessed grooves, the inner side of which connects to the opening of the mounting groove, and the outer side of which connects to the two through grooves respectively. The first and second welding feet each include a horizontal extension section and a vertical extension section extending downward from the outer side of the horizontal extension section. The horizontal extension sections of the first and second welding feet are formed by bending the first and second fixing parts outward and are respectively placed in the two grooves. The vertical extension sections of the first and second welding feet protrude from the lower surface of the extension after passing through the two through grooves.

9. The headphone jack connector as described in claim 1, characterized in that, The female connector includes multiple signal terminals, each of which includes a connecting part, a spring, a contact part, and a soldering part that are fixedly fitted to the plastic base. One end of the spring is connected to the connecting part, the contact part is located at the other end of the spring, and the soldering part is fixed to the connecting part and protrudes from the outer surface of the plastic base. The contact parts of the multiple signal terminals are arranged along the extension direction of the socket. The outer circumferential surface of the male connector has contact areas arranged along the extension direction of the male connector.

10. The headphone jack connector as described in claim 9, characterized in that, The plastic base is provided with multiple insertion slots, one end of which extends to the upper surface of the plastic base. Multiple signal terminals are respectively inserted into the multiple insertion slots so that the connection part of the signal terminals is fixed on the plastic base. The contact parts of the multiple signal terminals are pressed onto the multiple contact areas after the male is inserted into the socket.

Images