Pin and connector

Abstract

The utility model discloses a contact pin and a connector, the contact pin comprises a contact pin body and a magnetic shell, the contact pin body is provided with a spiral part, the spiral part is provided with a spiral hollow structure, and the magnetic shell is sleeved on the spiral part to wrap the spiral part. When the pin is connected in a line, current passes through the spiral part to form an eddy current effect, and high-frequency current is emitted in a heat form; meanwhile, the magnetic shell isolates the internal environment and the external environment, and an electromagnetic signal generated by the high-frequency current is limited in the magnetic shell; the contact pin is formed in the connector, the effect of optimizing electromagnetic compatibility is achieved, meanwhile, a magnetic ring does not need to be arranged outside a wire harness connected with the connector in a sleeving mode, the magnetic ring is omitted, the space utilization rate in an electric appliance box is optimized, and the overall size of the electric appliance box is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical connection, in particular to a plug pin and a connector. Background Art

[0002] EMC testing, or electromagnetic compatibility testing, is required during the development of electronic products. Electromagnetic compatibility testing is mainly a comprehensive assessment of the electromagnetic interference (EMI) and anti-interference ability (EMS) of electronic products. Electromagnetic compatibility testing is one of the important indicators for testing the quality of electronic products. Its purpose is to detect the impact of electromagnetic radiation generated by electrical products on the human body, public power grids, and other electrical products that are working normally.

[0003] During the product development process, if the electromagnetic compatibility is poor and the EMC test fails to meet the requirements, the test requirements are often met by passing magnetic rings through power lines, signal lines and other wires. The fixing of the magnetic rings will occupy part of the space in the electrical box, causing the size of the electrical box to increase. Utility Model Content

[0004] The main purpose of the embodiment of the utility model is to provide a pin and a connector, aiming to improve the technical problem in the prior art that the volume of the electrical box is increased due to the arrangement of a magnetic ring in the electrical box.

[0005] The embodiment of the utility model provides a plug pin, comprising:

[0006] A pin body, wherein the pin body has a spiral portion, and the spiral portion has a spiral hollow structure;

[0007] A magnetic shell is sleeved on the spiral portion to wrap the spiral portion.

[0008] In some embodiments of the present invention, the pin body also includes a first connecting portion and a second connecting portion, the first connecting portion, the spiral portion and the second connecting portion are connected in sequence, one end of the spiral portion is connected to the first connecting portion, and the other end of the spiral portion is connected to the second connecting portion.

[0009] In some embodiments of the present invention, the first connecting portion, the spiral portion, and the second connecting portion are sequentially connected along a first direction, and the spiral portion extends spirally along the first direction.

[0010] In some embodiments of the present invention, the first connecting portion, the spiral portion, and the second connecting portion are sequentially connected along a first direction, and the spiral portion spirally extends along a second direction, and the second direction is perpendicular to the first direction.

[0011] In some embodiments of the present invention, the first connecting portion is a U-shaped structure, and one side of the U-shaped structure is connected to one end of the spiral portion.

[0012] In some embodiments of the present invention, the second connecting portion is a rectangular parallelepiped structure, and a plug hole is provided in the middle of the rectangular parallelepiped structure, and the plug hole is used to be plugged with an external terminal to fix the plug pin.

[0013] In some embodiments of the present invention, the pin body further includes a first connecting portion, which is connected to the spiral portion in sequence, the first connecting portion is used to connect to an external wire, and the spiral portion is used to connect to an external socket.

[0014] The utility model also provides a connector, comprising the above-mentioned plug pin.

[0015] In some embodiments of the present invention, the connector includes a base and a plurality of the pins, the pins are plugged into the base, and the magnetic shell is snap-connected to the base.

[0016] In some embodiments of the present invention, a heat dissipation window is provided on the base, and the heat dissipation window and the magnetic shell are arranged correspondingly.

[0017] The embodiment of the utility model provides a plug pin and a connector, the plug pin includes a plug pin body and a magnetic shell, the plug pin body has a spiral portion, the spiral portion has a spiral hollow structure, the magnetic shell is sleeved on the spiral portion to wrap the spiral portion, and the magnetic shell is used to isolate the transmission of electromagnetic signals. When the plug pin is connected to the circuit, the current passes through the spiral portion to form an eddy current effect to dissipate high-frequency current in the form of heat; at the same time, the magnetic shell isolates the internal and external environments, and the magnetic shell limits the electromagnetic signal generated by the high-frequency current to the magnetic shell to prevent it from affecting external equipment and people; the plug pin is formed inside the connector, and while achieving the function of optimizing electromagnetic compatibility, it is no longer necessary to arrange a magnetic ring outside the wiring harness connected to the connector, and the magnetic ring is omitted, thereby optimizing the space utilization inside the electrical box and reducing the overall volume of the electrical box. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0019] Figure 1 This is a perspective structural diagram of the pin body of the first embodiment of the utility model;

[0020] Figure 2This is a schematic diagram of the structure of a pin body according to an embodiment of the utility model;

[0021] Figure 3 This is a schematic diagram of the structure of a pin in one embodiment of the utility model;

[0022] Figure 4 The figure is a schematic structural diagram of a connector according to an embodiment of the utility model.

[0023] Reference numerals: 10, pin; 100, pin body; 101, first connecting portion; 102, spiral portion; 103, second connecting portion; 104, magnetic shell; 200, base; 300, wire. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0026] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing in the full text includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme that satisfies both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0028] like Figure 1-Figure 4 As shown, the utility model provides a plug pin 10, including a plug pin body 100 and a magnetic shell 104, the plug pin body 100 has a spiral portion 102, the spiral portion 102 has a spiral hollow structure, and the magnetic shell 104 is sleeved on the spiral portion 102 to wrap the spiral portion 102.

[0029] It should be noted that the pin body 100 is made of conductive metal for conducting electricity. When the pin 10 is connected to the wire 300 in the electrical box, the current will flow in the spiral portion 102 along the spiral extension direction, so that the variable frequency current will generate an eddy current effect in the spiral portion 102, forming a changing magnetic field. The changing magnetic field generated by the spiral portion 102 cooperates with the magnetic shell 104 set outside the spiral portion 102, and the magnetic shell 104 is used to isolate electromagnetic signals.

[0030] It can be understood that when the pin 10 is connected to the circuit, the current passes through the spiral portion 102 to form an eddy current effect and dissipates high-frequency current in the form of heat; at the same time, the magnetic shell 104 isolates the internal and external environments, and the magnetic shell 104 limits the electromagnetic signal generated by the high-frequency current to the magnetic shell to prevent it from affecting external equipment and people. The pin 10 is formed inside the connector, and while optimizing the electromagnetic compatibility, it is no longer necessary to install a magnetic ring on the outer sleeve of the wiring harness connected to the connector, and the magnetic ring is omitted, thereby optimizing the space utilization inside the electrical box and reducing the overall volume of the electrical box.

[0031] In some embodiments, the magnetic shell 104 is made of iron oxide.

[0032] In some embodiments, at least one third of the length of the pin body 100 is the spiral portion 102 .

[0033] In some embodiments, the pin body 100 is a long strip structure.

[0034] In some embodiments, the pin body 100 also includes a first connecting portion 101 and a second connecting portion 103. The first connecting portion 101, the spiral portion 102 and the second connecting portion 103 are connected in sequence. One end of the spiral portion 102 is connected to the first connecting portion 101, and the other end of the spiral portion 102 is connected to the second connecting portion 103.

[0035] That is, the spiral portion 102 is arranged in the middle of the pin body 100, the first connecting portion 101 is used to connect with the external wire 300, the wire 300 is connected to one end of the spiral portion 102, and the other end of the spiral portion 102 is connected to the second connecting portion 103, which is used to make the current of the wire 300 flow from the wire 300 into the spiral portion 102, flow out along the spiral extension direction of the spiral portion 102 and then enter the second connecting portion 103, so that the current in the spiral portion 102 in the pin 10 needs to flow from one end to the other end, thereby ensuring that the pin 10 can form an eddy current effect.

[0036] In some embodiments, the length of the first connection portion 101 is one third of the length of the pin body 100 , the length of the spiral portion 102 is one third of the length of the pin body 100 , and the length of the second connection portion 103 is one third of the length of the pin body 100 .

[0037] In some embodiments, the length of the first connection portion 101 is one quarter of the length of the pin body 100 , the length of the spiral portion 102 is one half of the length of the pin body 100 , and the length of the second connection portion 103 is one quarter of the length of the pin body 100 .

[0038] In some embodiments, the first connection portion 101 , the spiral portion 102 , and the second connection portion 103 are integrally formed.

[0039] In some embodiments, the length of the magnetic shell 104 is the same as the length of the helical portion 102 .

[0040] In some embodiments, the first connection portion 101 , the spiral portion 102 , and the second connection portion 103 are sequentially connected along a first direction, and the spiral portion 102 spirally extends along the first direction.

[0041] That is, the length direction of the pin body 100 is the first direction, and the spiral extension direction of the spiral portion 102 is the same as the first direction. That is, the current flows in the spiral portion 102 in a spiral manner along the first direction.

[0042] In some embodiments, the first connection portion 101 , the spiral portion 102 , and the second connection portion 103 are sequentially connected along a first direction, and the spiral portion 102 spirally extends along a second direction, and the second direction is perpendicular to the first direction.

[0043] That is, the length of the pin body 100 is the first direction, and the spiral extension direction of the spiral portion 102 is the second direction and is perpendicular to the first direction. The current enters from one end of the spiral portion 102, flows in the spiral portion 102 along the second direction to the other end of the spiral portion 102, and flows out from the end.

[0044] In some embodiments, the first connecting portion 101 is a U-shaped structure, and one side of the U-shaped structure is connected to one end of the spiral portion 102 .

[0045] It is understandable that the size of the U-shaped opening of the U-shaped structure can be set according to the diameter of the wire 300 connected to the first connecting portion 101. For example, the size of the U-shaped opening of the U-shaped structure is slightly smaller than the diameter of the wire 300 connected thereto, so that the wire 300 can be clamped at the opening of the U-shaped structure, thereby improving the connection stability with the wire 300. Specifically, part of the wire 300 is clamped at the U-shaped opening, and the end of the wire 300 is connected to one end of the spiral portion 102.

[0046] In some embodiments, the first connecting portion 101 may also be a V-shaped structure or other structure with an opening capable of accommodating the wire 300 .

[0047] In some embodiments, the second connection portion 103 is a rectangular parallelepiped structure, and a plug hole is provided in the middle of the rectangular parallelepiped structure. The plug hole is used to be plugged with an external terminal to fix the pin 10.

[0048] It should be noted that the depth direction of the insertion hole is the same as the connection direction of the first connection part 101 , the spiral part 102 and the second connection part 103 , that is, the depth direction of the insertion hole is consistent with the length direction of the pin body 100 .

[0049] It should be noted that when the wire 300 is connected to the first connection part 101, the end of the wire 300 is directly connected to the end of the spiral part 102, that is, the current on the wire 300 does not pass through the first connection part 101, but directly enters the spiral part 102. The other end of the spiral part 102 is connected to the second connection part 103, that is, the current on the spiral part 102 directly enters the second connection part 103.

[0050] It can be understood that the first connection portion 101 is used to fix the wire 300 , and the second connection portion 103 is used to introduce current to other structures connected to the pin body 100 .

[0051] In some embodiments, the plug hole can be a through hole or a blind hole.

[0052] In some embodiments, the pin body 100 further includes a first connection portion 101, which is connected to a spiral portion 102 in sequence. The first connection portion 101 is used to connect to an external wire 300, and the spiral portion 102 is used to connect to an external socket.

[0053] It can be understood that, in this embodiment, the pin body 100 only includes a first connecting portion 101 and a spiral portion 102, the first connecting portion 101 is used to fix the wire 300 and connect it to the spiral portion 102, and the spiral portion 102 is used to form an eddy current effect to connect the pin 10 to an external socket.

[0054] In order to facilitate the connection between the spiral portion 102 and the external socket, the end of the spiral portion 102 away from the first connecting portion 101 can be extended in a straight line for a certain length, and a slot is provided in the external socket to engage with the end, so that the end is connected to the slot to complete the connection between the spiral portion 102 and the external socket.

[0055] In some embodiments, the spiral portion 102 is formed by a plurality of sheet-like structures being spirally connected in sequence.

[0056] In some embodiments, the spiral portion 102 is formed by a plurality of strip-shaped structures being spirally connected in sequence.

[0057] The utility model further provides a connector, including the plug pin 10 in the above embodiment. Since the connector includes the plug pin 10 of a combination of some or all of the above embodiments, it has at least some or all of the beneficial effects of all of the above embodiments, which will not be described one by one here.

[0058] In some embodiments of the present invention, the connector includes a base 200 and a plurality of pins 10 . The pins 10 are plugged into the base 200 , and the magnetic shell 104 is snap-fitted to the base 200 .

[0059] It should be noted that the multiple in the above embodiment is at least two, and the base 200 is provided with a matching structure for plugging with the pin 10. For example, the base 200 is provided with a plurality of pin mounting holes 201, and the pin 10 is inserted into the pin mounting hole 201 and connected to the base 200.

[0060] The side wall of the pin installation hole 201 is provided with a protrusion, and the protrusion of the side wall of the pin installation hole 201 is used to clamp the magnetic shell 104 so that the clamping structure is clamped with the magnetic shell 104.

[0061] Specifically, for example, the middle section of the pin installation hole 201 is interference fit with the magnetic shell 104 , thereby forming a snap connection between the magnetic shell 104 and the base 200 .

[0062] In some embodiments, a heat dissipation window is disposed on the base 200 , and the heat dissipation window is disposed corresponding to the magnetic shell 104 .

[0063] It should be noted that the heat dissipation window is used to expose the magnetic shell 104 to the external environment, so that the magnetic shell 104 can dissipate heat quickly.

[0064] The above description is only an optional embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the application concept of the present invention, or directly / indirectly used in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A pin, characterized in that: include: A pin body, wherein the pin body has a spiral portion, and the spiral portion has a spiral hollow structure; A magnetic shell is sleeved on the spiral portion to wrap the spiral portion.

2. The pin according to claim 1, characterized in that The pin body also includes a first connecting portion and a second connecting portion, the first connecting portion, the spiral portion and the second connecting portion are connected in sequence, one end of the spiral portion is connected to the first connecting portion, and the other end of the spiral portion is connected to the second connecting portion.

3. The pin according to claim 2, characterized in that: The first connection portion, the spiral portion, and the second connection portion are sequentially connected along a first direction, and the spiral portion spirally extends along the first direction.

4. The pin according to claim 2, characterized in that The first connection portion, the spiral portion, and the second connection portion are sequentially connected along a first direction, and the spiral portion spirally extends along a second direction, and the second direction is perpendicular to the first direction.

5. The pin according to claim 2, characterized in that: The first connecting portion is a U-shaped structure, and one side of the U-shaped structure is connected to one end of the spiral portion.

6. The pin according to claim 2, characterized in that: The second connecting portion is a rectangular parallelepiped structure, and a plug hole is provided in the middle of the rectangular parallelepiped structure. The plug hole is used to be plugged and matched with an external terminal to fix the plug pin.

7. The pin according to claim 1, characterized in that The pin body also includes a first connecting portion, which is connected to the spiral portion in sequence, the first connecting portion is used to connect to an external wire, and the spiral portion is used to connect to an external socket.

8. A connector, characterized in that: Comprising the pin described in any one of claims 1-7.

9. The connector according to claim 8, characterized in that: The connector comprises a base and a plurality of the plug pins, the plug pins are plugged into the base, and the magnetic shell is snap-connected with the base.

10. The connector according to claim 9, characterized in that: The base is provided with a heat dissipation window, and the heat dissipation window is arranged corresponding to the magnetic shell.

Images