CN114071891A

CN114071891A - Electronic component fixing pin for PCB

Info

Publication number: CN114071891A
Application number: CN202111265604.5A
Authority: CN
Inventors: 刘进锁; 冯琦
Original assignee: Suzhou Inspur Intelligent Technology Co Ltd
Current assignee: Inspur Shandong Computer Technology Co Ltd
Priority date: 2021-10-28
Filing date: 2021-10-28
Publication date: 2022-02-18
Anticipated expiration: 2041-10-28
Also published as: CN114071891B

Abstract

The invention provides an electronic component fixing pin for a PCB (printed circuit board), which belongs to the technical field of electronic components and comprises an electronic component fixing pin body, wherein the upper end of the electronic component fixing pin body is provided with an electronic component connecting part; below the electronic element connecting part, the middle part of the electronic element fixing pin body is provided with a first electronic element fixing pin fixing part, and two sides of the first electronic element fixing pin fixing part are provided with a first fixing barb structure along the inserting direction of the electronic element fixing pin body; and a second electronic component fixing pin fixing part and a third electronic component fixing pin fixing part are respectively arranged on the left side and the right side of the lower part of the electronic component fixing pin body below the first electronic component fixing pin fixing part. The invention has the beneficial effects that the PCB can exert extrusion force on the electronic element fixing script body and offset the extrusion force through the contact friction force between the first electronic element fixing pin fixing part and the PCB, so that the electronic element fixing pin body is prevented from floating up or separating under the extrusion of the PCB.

Description

Electronic component fixing pin for PCB

Technical Field

The invention belongs to the technical field of electronic elements, and particularly relates to an electronic element fixing pin for a PCB.

Background

In the current era of electronic products, printed circuit boards (pcbs) are important components of the electronic industry, and almost every electronic device, as small as electronic watches and calculators, as large as computers, communication electronic devices, and military weaponry systems, has electronic components such as integrated circuits, and printed circuit boards are used to electrically interconnect the electronic components. Therefore, a plurality of connectors for transmitting current and signals and a plurality of structural members for fixing and lifting the printed circuit board or supporting other electronic components are plugged on the printed circuit board, but the electronic components such as the connectors and the structural members need to be stably plugged on the openings of the printed circuit board through fixing pins.

In order to avoid the fixed foot from sliding out of the open hole of the printed circuit board, the lower part of the fixed foot is generally provided with a barb structure, but in this case, because the lower part of the fixed foot is extruded by the wall of the open hole on the printed circuit board in the open hole of the printed circuit board, and meanwhile, the wall of the open hole on the printed circuit board applies an extrusion force to the fixed foot, and an upward component force exists in the extrusion force, the fixed foot is easy to move under the extrusion of the wall of the open hole, and even can be separated from the open hole of the printed circuit board.

Disclosure of Invention

The invention solves the technical problem of providing an electronic component fixing pin which can prevent a fixing pin inserted on a PCB and an electronic component connected with the fixing pin from floating or shaking on the PCB.

In order to solve the technical problems, the technical scheme provided by the invention is as follows: an electronic component fixing pin for a PCB comprises an electronic component fixing pin body, wherein the upper end of the electronic component fixing pin body is provided with an electronic component connecting part which is used for connecting the electronic component fixing pin body with an electronic component to be installed; a first electronic element fixing pin fixing part is arranged in the middle of the electronic element fixing pin body below the electronic element connecting part, and first fixing barb structures are arranged on two sides of the first electronic element fixing pin fixing part along the inserting direction of the electronic element fixing pin body; and a second electronic component fixing pin fixing part and a third electronic component fixing pin fixing part are respectively arranged on the left side and the right side of the lower part of the electronic component fixing pin body below the first electronic component fixing pin fixing part. Like this with this fixed foot body of electronic component after inserting on PCB, even trompil on PCB can be to the fixed foot fixed part of second electronic component on this fixed foot body of electronic component with the extrusion force is applyed to the fixed foot fixed part of third electronic component, this fixed script body of electronic component also can offset it through the contact friction force between first fixed barb structure on the fixed foot fixed part of first electronic component and the PCB, avoids whole fixed foot body of electronic component to take place the come-up or break away from under PCB's extrusion.

Further, first fixed barb structure down has connected gradually first inclined plane, first horizontal plane and second inclined plane from last, first inclined plane and second inclined plane are the inclined plane of lower extreme to the internal sunken of electronic component fixed script, just the second inclined plane with the contained angle of first horizontal plane is the acute angle, first inclined plane with contained angle between the first horizontal plane is the acute angle. Accessible like this the extrusion force that produces when the fixed foot body of this electronic component is extruded with PCB is offset to the contact friction between first horizontal plane and the PCB on the first fixed barb structure to avoid the fixed foot body of this electronic component to float upwards under PCB's extrusion, and then avoid the connector or the structure of connecting to take place to rock or follow-up welding is bad on the fixed foot body of this electronic component.

Furthermore, the lower end of the first inclined plane is in transitional connection with the inner end of the first horizontal plane through an arc surface, and the outer end of the first horizontal plane is in transitional connection with the upper end of the second inclined plane through a first vertical surface, so that the whole electronic element fixing script body becomes more smooth and convenient to insert into the opening of the PCB from top to bottom.

Further, follow on the fixed foot fixed part of first electronic component the direction of insertion of the fixed foot body of electronic component has set gradually two at least first fixed barb structures, and the second inclined plane of last first fixed barb structure is the first inclined plane of next first fixed barb structure, can guarantee like this that this fixed foot body of electronic component can fix the electronic component of some great weights on PCB steadily.

Furthermore, an inverted-drop-shaped groove with a large upper part and a small lower part is formed between the second electronic component fixing pin fixing part and the third electronic component fixing pin fixing part, and upward component force in the extrusion force applied by the PCB to the second electronic component fixing pin fixing part and the third electronic component fixing pin fixing part on the electronic component fixing pin body is reduced to the greatest extent through the inverted-drop-shaped groove.

Furthermore, a second fixing barb structure is arranged on one side of the lower end of the second electronic element fixing pin fixing part, which is far away from the third electronic element fixing pin fixing part, and the second fixing barb structure is positioned at the lowest end of the electronic element fixing pin body; keep away from the fixed foot fixed part lower extreme of third electronic component one side of the fixed foot fixed part of second electronic component is provided with the fixed barb structure of third, just the fixed barb structure of third is located the bottom of the fixed foot body of electronic component can avoid whole electronic component to fix the fixed foot body of foot to break away from in the trompil of PCB to a certain extent through the fixed barb structure of second, the fixed barb structure of third like this.

Further, the fixed barb structure of second has down connected gradually third inclined plane, the vertical face of second and fourth inclined plane from last, the inclined plane of the fixed foot body direction of electronic component is kept away from for the lower extreme tendency in the third inclined plane, the inclined plane that the fixed script body direction of electronic component is close to for the lower extreme tendency in the fourth inclined plane, just the lower extreme on third inclined plane with pass through between the upper end on fourth inclined plane the vertical face transitional coupling of second, contained angle between third inclined plane and the vertical face of second is the obtuse angle, contained angle between fourth inclined plane and the vertical face of second is the obtuse angle, can avoid whole fixed foot body of electronic component to come up in the trompil of PCB so promptly, can reduce the resistance when this fixed foot body of electronic component inserts PCB's trompil again.

Furthermore, at the lowest end of the second electronic element fixing pin fixing part, the lower end of the fourth inclined plane is in transitional connection with the lower end of the surface of the second electronic element fixing pin fixing part, which is close to the third electronic element fixing pin fixing part, through an arc surface, so that the whole second electronic element fixing pin fixing part becomes more smooth and convenient to insert into the opening of the PCB from top to bottom.

Further, the fixed barb structure of third has down connected gradually fifth inclined plane, the vertical face of third and sixth inclined plane from the last, the inclined plane of the fixed foot body direction of electronic component is kept away from for the lower extreme tendency in the fifth inclined plane, the inclined plane that the fixed script body direction of electronic component is close to for the lower extreme tendency in the sixth inclined plane, just the lower extreme on fifth inclined plane with pass through between the upper end on sixth inclined plane the vertical face transitional coupling of third, contained angle between fifth inclined plane and the vertical face of third is the obtuse angle, contained angle between sixth inclined plane and the vertical face of third is the obtuse angle, can avoid whole electronic component fixed foot body come-up in the trompil of PCB so promptly, can reduce the resistance when this electronic component fixed foot body inserts PCB's trompil again.

Furthermore, at the lowest end of the third electronic element fixing pin fixing part, the lower end of the sixth inclined plane is in transitional connection with the lower end of the surface of the third electronic element fixing pin fixing part, which is close to the side of the second electronic element fixing pin fixing part, through an arc surface, so that the whole third electronic element fixing pin fixing part becomes more smooth and convenient to insert into the opening of the PCB from top to bottom.

According to the technical scheme, the invention has the beneficial effects that: when the electronic element fixing pin for the PCB provided by the invention is used for fixing a connector used for transmitting current and signals on the PCB or a structural component used for supporting the PCB and various electronic elements on the PCB, the electronic element fixing pin body can ensure that the electronic element fixing pin body is stable and immovable in an opening of the PCB through the contact extrusion of the second electronic element fixing pin fixing part and the third electronic element fixing pin fixing part with the PCB, simultaneously, the extrusion force generated when the PCB extrudes the electronic element fixing pin body is transmitted to the first electronic element fixing pin fixing part through the second electronic element fixing pin fixing part and the third electronic element fixing pin fixing part, so that the first horizontal plane of the first fixing barb structure on the first electronic element fixing pin fixing part is contacted with the PCB, and simultaneously, the extrusion force generated when the PCB extrudes the electronic element fixing pin body is counteracted through the contact friction force between the first horizontal plane on the first fixing barb structure and the PCB, thereby avoid this electronic component fixed foot body to float upwards under PCB's extrusion, and then avoid the connector or the structure of connecting on this electronic component fixed foot body to take place to rock or follow-up welding is bad, effectively solve the quality hidden danger that the welding floats high and bring, and need not utilize outside tools such as crimping piece to promote the welding qualification rate again.

Drawings

In order to more clearly illustrate the technical solution of the present invention, the drawings used in the description will be briefly introduced, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

In the figure: 1. electronic component connecting portion, 2, first fixed barb structure, 3, the fixed foot fixed part of first electronic component, 4, the recess, 5, the fixed foot fixed part of third electronic component, 6, the fixed barb structure of third, 7, first inclined plane, 8, first horizontal plane, 9, first vertical face, 10, the second inclined plane, 11, the third inclined plane, 12, the vertical face of second, 13, the fourth inclined plane, 14, the fixed foot fixed part of second electronic component, 15, the fixed barb structure of second, 16, the fifth inclined plane, 17, the vertical face of third, 18, the sixth inclined plane.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1, the present invention provides an electronic component fixing pin for a PCB, which comprises an electronic component fixing pin body, wherein an electronic component connecting portion 1 is disposed at an upper end of the electronic component fixing pin body, and the electronic component connecting portion 1 is used for connecting the electronic component fixing pin body and an electronic component to be mounted. Below the electronic element connecting part 1, the middle part of the electronic element fixing foot body is set as a first electronic element fixing foot fixing part 3, the two sides of the first electronic element fixing foot fixing part 3 are provided with a first fixing barb structure 2 along the insertion direction of the electronic element fixing foot body, specifically, the first fixing barb structure 2 is sequentially connected with a first inclined plane 7, a first horizontal plane 8, a first vertical plane 9 and a second inclined plane 10 from top to bottom, wherein the first inclined plane 7 and the second inclined plane 10 are inclined planes with lower ends recessed into the electronic element fixing script body, the lower end of the first inclined plane 7 is in transition connection with the inner end of the first horizontal plane 8 through an arc surface, the outer end of the first horizontal plane 8 is in transition connection with the upper end of the second inclined plane 10 through the first vertical plane 9, and the included angle of the second inclined plane 10 and the first horizontal plane 8 is an acute angle, the included angle between the first inclined plane 7 and the first horizontal plane 8 is an acute angle. In addition, in order to improve the fixed effect of the fixed foot body of electronic element, follow on the fixed foot fixed part 3 of first electronic element the direction of insertion of the fixed foot body of electronic element has set gradually two at least first fixed barb structures 2, and the second inclined plane 10 of the first fixed barb structure 2 of last is the first inclined plane 7 of the first fixed barb structure 2 of next.

Below the first electronic component fixing leg fixing part 3, the lower part of the electronic component fixing leg body is provided with a second electronic component fixing leg fixing part 14 and a third electronic component fixing leg fixing part 6, the second electronic component fixing leg fixing part 14 and the third electronic component fixing leg fixing part 6 are respectively arranged on the left side and the right side of the electronic component fixing leg body, and a reversed water-drop-shaped groove 4 with a large upper part and a small lower part is formed between the second electronic component fixing leg fixing part 14 and the third electronic component fixing leg fixing part 6.

In addition, one side of the second electronic element fixing leg fixing portion 14 lower end far away from the third electronic element fixing leg fixing portion 6 is provided with a second fixing barb structure 15, that is, the left side of the second electronic element fixing leg fixing portion 14 lower end is provided with a second fixing barb structure 15, and the second fixing barb structure 15 is located at the lowest end of the electronic element fixing leg body. Specifically, the fixed barb structure 15 of second has down connected gradually third inclined plane 11, the vertical face 12 of second and fourth inclined plane 13 from last, wherein, the inclined plane of the fixed foot body direction of electronic component is kept away from for the lower extreme tendency to third inclined plane 11, fourth inclined plane 13 is close to the inclined plane of the fixed script body direction of electronic component for the lower extreme tendency, just the lower extreme of third inclined plane 11 with pass through between the upper end of fourth inclined plane 13 the vertical face 12 transitional coupling of second, contained angle between third inclined plane 11 and the vertical face 12 of second is the obtuse angle, contained angle between fourth inclined plane 13 and the vertical face 12 of second is the obtuse angle, contained angle between third inclined plane 11 and the fourth inclined plane 13 is the obtuse angle. Preferably, at the lowest end of the second electronic component fixing pin fixing portion 14, the lower end of the fourth inclined surface 13 is in transitional connection with the lower end of the surface of the second electronic component fixing pin fixing portion 14 on the side close to the third electronic component fixing pin fixing portion 6 through an arc surface, that is, the lower end of the fourth inclined surface 13 is in transitional connection with the lower end of the right side surface of the second electronic component fixing pin fixing portion 14 through an arc surface.

Keep away from the fixed foot fixed part 6 lower extreme of third electronic component one side of the fixed foot fixed part 14 of second electronic component is provided with the fixed barb structure 6 of third, promptly the right side of the fixed foot fixed part 6 lower extreme of third electronic component is provided with the fixed barb structure 6 of third, just the fixed barb structure 6 of third also is located the lower extreme of the fixed foot body of electronic component. Specifically, the fixed barb structure 6 of third has down connected gradually fifth inclined plane 16, the vertical face 17 of third and sixth inclined plane 18 from last, wherein, the inclined plane of the fixed foot body direction of electronic component is kept away from for the lower extreme tendency to fifth inclined plane 16, sixth inclined plane 18 is close to the inclined plane of the fixed script body direction of electronic component for the lower extreme tendency, just the lower extreme of fifth inclined plane 16 with pass through between the upper end of sixth inclined plane 18 the vertical face 17 transitional coupling of third, the contained angle between fifth inclined plane 16 and the vertical face 17 of third is the obtuse angle, contained angle between sixth inclined plane 18 and the vertical face 17 of third is the obtuse angle. Preferably, at the lowest end of the third electronic component fixing leg fixing portion 6, the lower end of the sixth inclined surface 18 is in transitional connection with the lower end of the surface of the third electronic component fixing leg fixing portion 6 on the side close to the second electronic component fixing leg fixing portion 14 through an arc surface, that is, the lower end of the sixth inclined surface 18 is in transitional connection with the lower end of the left side surface of the third electronic component fixing leg fixing portion 6 through an arc surface.

In addition, preferably, the second electronic component fixing leg fixing part 14 and the third electronic component fixing leg fixing part 6 are symmetrically disposed with respect to the center line of the inverted water drop-shaped groove 4, and the second fixing barb structure 15 and the third fixing barb structure 6 are symmetrically disposed with respect to the center line of the inverted water drop-shaped groove 4.

When the electronic component fixing pin for the PCB provided by the present invention is used to fix a connector for transmitting current and signals on the PCB or a structure for supporting the PCB and various electronic components on the PCB, the lowest ends of the second electronic component fixing pin fixing part 14 and the third electronic component fixing pin fixing part 6 on the electronic component fixing pin body can be inserted into the opening of the PCB, and then the electronic component fixing pin body is inserted downwards until the first electronic component fixing pin fixing part 3 located in the middle of the electronic component fixing pin body is inserted into the opening of the PCB. At this time, the electronic component fixing pin body can be ensured to be stable and immovable in the opening of the PCB by the contact extrusion of the second electronic component fixing pin fixing part 14 and the third electronic component fixing pin fixing part 6 with the PCB, and simultaneously, the extrusion force generated when the PCB extrudes the electronic component fixing pin body can be transmitted to the first electronic component fixing pin fixing part 3 through the second electronic component fixing pin fixing part 14 and the third electronic component fixing pin fixing part 6, so that the first horizontal plane 8 of the first fixing barb structure 2 on the first electronic component fixing pin fixing part 3 contacts with the PCB, and simultaneously, the extrusion force generated when the PCB extrudes the electronic component fixing pin body is offset by the contact friction force between the first horizontal plane 8 on the first fixing barb structure 2 and the PCB, thereby avoiding the electronic component fixing pin body from floating upwards under the extrusion of the PCB, thereby avoiding the connector or the structural member connected on the electronic element fixing pin body from shaking or poor subsequent welding.

It will be understood that when an element or layer is referred to as being "on," connected to, "or" coupled to "another element or layer, it can be directly on, connected or coupled to the other element or layer, and intervening elements or layers may also be present. In contrast, when an element is referred to as being "directly on," "directly connected to" or "directly coupled to" another element or layer, there are no intervening elements or layers present. Like numbers refer to like elements throughout. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Spatially relative terms such as "under …", "below", "lower", "above", "over", and the like, as may be used herein for ease of description, describe one element or feature's relationship to another element or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative terms used herein should be interpreted accordingly.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the description in this document. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

The terms "first," "second," "third," "fourth," and the like in the description and in the claims, as well as in the drawings, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprising" and "having," as well as any variations thereof, are intended to cover non-exclusive inclusions.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An electronic component fixing pin for a PCB is characterized by comprising an electronic component fixing pin body, wherein the upper end of the electronic component fixing pin body is provided with an electronic component connecting part (1), and the electronic component connecting part (1) is used for connecting the electronic component fixing pin body with an electronic component to be installed; below the electronic element connecting part (1), a first electronic element fixing pin fixing part (3) is arranged in the middle of the electronic element fixing pin body, and first fixing barb structures (2) are arranged on two sides of the first electronic element fixing pin fixing part (3) along the insertion direction of the electronic element fixing pin body; and a second electronic component fixing pin fixing part (14) and a third electronic component fixing pin fixing part (6) are respectively arranged on the left side and the right side of the lower part of the electronic component fixing pin body below the first electronic component fixing pin fixing part (3).

2. The electronic component fixing pin for the PCB according to claim 1, wherein the first fixing barb structure (2) is sequentially connected with a first inclined plane (7), a first horizontal plane (8) and a second inclined plane (10) from top to bottom, the first inclined plane (7) and the second inclined plane (10) are inclined planes with lower ends recessed in the electronic component fixing script body, an included angle between the second inclined plane (10) and the first horizontal plane (8) is an acute angle, and an included angle between the first inclined plane (7) and the first horizontal plane (8) is an acute angle.

3. The electronic component fixing foot for the PCB according to claim 2, wherein the lower end of the first inclined plane (7) is in transitional connection with the inner end of the first horizontal plane (8) through a circular arc surface, and the outer end of the first horizontal plane (8) is in transitional connection with the upper end of the second inclined plane (10) through a first vertical surface (9).

4. The electronic component fixing leg for PCB according to claim 3, wherein said first electronic component fixing leg fixing part (3) is sequentially provided with at least two first fixing barb structures (2) along the insertion direction of said electronic component fixing leg body, and the second inclined surface (10) of the previous first fixing barb structure (2) is the first inclined surface (7) of the next first fixing barb structure (2).

5. The electronic component fixing leg for PCB of claim 1 or 2 or 3 or 4, wherein a recess (4) of inverted water drop shape with big top and small bottom is formed between the second electronic component fixing leg fixing part (14) and the third electronic component fixing leg fixing part (6).

6. The electronic component fixing leg for PCB according to claim 5, wherein a second fixing barb structure (15) is provided at a side of a lower end of the second electronic component fixing leg fixing part (14) far from the third electronic component fixing leg fixing part (6), and the second fixing barb structure (15) is located at a lowermost end of the electronic component fixing leg body; keep away from fixed foot fixed part of third electronic component (6) lower extreme one side of the fixed foot fixed part of second electronic component (14) is provided with the fixed barb structure of third (6), just the fixed barb structure of third (6) are located the lower extreme of the fixed foot body of electronic component.

7. The electronic component fixing pin for the PCB according to claim 6, wherein the second fixing barb structure (15) is sequentially connected with a third inclined surface (11), a second vertical surface (12) and a fourth inclined surface (13) from top to bottom, the third inclined surface (11) is an inclined surface with a lower end inclined away from the body direction of the electronic component fixing pin, the fourth inclined surface (13) is an inclined surface with a lower end inclined close to the body direction of the electronic component fixing pin, the lower end of the third inclined surface (11) is in transitional connection with the upper end of the fourth inclined surface (13) through the second vertical surface (12), an included angle between the third inclined surface (11) and the second vertical surface (12) is an obtuse angle, and an included angle between the fourth inclined surface (13) and the second vertical surface (12) is an obtuse angle.

8. The electronic component fixing pin for PCB of claim 7, wherein at the lowest end of the second electronic component fixing pin fixing part (14), the lower end of the fourth inclined surface (13) is transitionally connected with the lower end of the surface of the second electronic component fixing pin fixing part (14) near the third electronic component fixing pin fixing part (6) by a circular arc surface.

9. The electronic component fixing pin for the PCB according to claim 6, wherein the third fixing barb structure (6) is sequentially connected with a fifth inclined surface (16), a third vertical surface (17) and a sixth inclined surface (18) from top to bottom, the fifth inclined surface (16) is an inclined surface with a lower end inclined away from the body direction of the electronic component fixing pin, the sixth inclined surface (18) is an inclined surface with a lower end inclined close to the body direction of the electronic component fixing pin, the lower end of the fifth inclined surface (16) is in transitional connection with the upper end of the sixth inclined surface (18) through the third vertical surface (17), an included angle between the fifth inclined surface (16) and the third vertical surface (17) is an obtuse angle, and an included angle between the sixth inclined surface (18) and the third vertical surface (17) is an obtuse angle.

10. The electronic component fixing leg for PCB according to claim 9, wherein at the lowest end of the third electronic component fixing leg fixing part (6), the lower end of the sixth inclined surface (18) is in transitional connection with the lower end of the surface of the third electronic component fixing leg fixing part (6) near the second electronic component fixing leg fixing part (14) through a circular arc surface.