TWI765317B - Positioning fastener for fixing the interface card - Google Patents

Abstract

The present invention relates to a positioning fastener for fixing an interface card, comprising: a base extending toward a first direction with a connecting plate, and extending toward a second direction with a fixing unit fixed to an electronic base; An elastic compression unit is connected to the connecting plate of the base. A push portion is extended from one side of the elastic compression unit and is resisted by a circuit board when rotated downward. The push portion is supported by the circuit board. The elastic compression unit generates compression to make the circuit board rotate and extend into the bottom side of the pushing portion, and the base is protruded toward the third direction with an edge for the circuit board to extend. A positioning element that is pressed into the positioning element is formed with a positioning space for the circuit board to be accommodated outside the positioning element, and a quick positioning and dismounting structure of the circuit board or the interface card is formed by the above-mentioned composition. At the same time, the positioning fastener It is made of insulating elastic material. When it is accidentally dropped on the electronic substrate or circuit board, it will not cause circuit short circuit and damage to electronic components, and has excellent safety.

Description

Positioning fastener for fixing the interface card

The present invention provides a positioning fastener for fixing an interface card, especially a quick positioning and dismounting structure for a circuit board or an interface card.

According to this, the rapid development of the electronic industry has doubled the computing performance of computers or servers. In addition to the main components of the main board, central processing unit, memory and storage devices, the main board is also equipped with a variety of interface connections. The device provides the expansion of various peripheral devices, and the expansion of various peripheral devices is provided with a plurality of electronic components and corresponding circuit layouts in the interface card, and its terminals are presented with a plurality of metal contacts, and the interface card is inserted into the motherboard on the motherboard. The connector can make electrical connection between the two devices to achieve the purpose of expanding the function of the motherboard.

General mobile electronic devices (such as notebook computers) are limited by the small internal space, so they cannot be arranged as generously as personal computers, especially the motherboards formed in the ℃ and D side of the notebook computer. The installation space of the related components is limited by the thickness, and the assembly of the motherboard and the interface card cannot be vertically assembled like a personal computer. Therefore, the internal motherboard of the notebook computer and the interface card must be assembled in a horizontal direction through a steering connector. When one end of the interface card is inserted into the steering connector, the other end of the interface card is in a suspended state, and is suspended in the air. The interface card end is usually locked and positioned in the motherboard by a screw to form a stable and not easy to shake state, but the screw locking structure is not conducive to the disassembly of the interface card, when the metal material During the dismantling process or by external vibration, the screws may be loosened and fall on the motherboard accidentally, which may cause a short circuit on the motherboard, which may result in damage to the electronic components.

Therefore, in view of the above-mentioned problems and deficiencies, the inventor collected relevant information, and after multiple evaluations and considerations, the invention of designing the positioning fastener for fixing the interface card was born.

The main purpose of the present invention is to provide a positioning fastener for fixing an interface card, comprising: a base with a connecting plate extending toward the first direction, the base extending toward the second direction with one of the bases fixed on an electronic base A fixing unit; an elastic compression unit, which is connected to the connecting plate of the base, and a pushing portion is extended on one side of the elastic compression unit and is resisted by a circuit board rotating downward, and the pushing portion is The circuit board is retracted under stress in the first direction, and the elastic compression unit generates compression to make the circuit board rotate and protrude into the bottom side of the pressing portion, and the base protrudes toward the third direction for the circuit board The edge extends into a positioning element against which a positioning space is formed outside the positioning element for accommodating the circuit board. The above-mentioned composition forms a quick positioning and dismounting structure for the circuit board or the interface card. The positioning fastener is made of insulating elastic material. When it is accidentally dropped on the electronic substrate or circuit board, it will not cause circuit short circuit and damage to electronic components, and has excellent safety.

The secondary objective of the present invention is that the base is further provided with a resisting plate in the opposite direction of the first direction, and the bottom side of the resisting plate is further provided with a resisting protrusion, and the resisting protrusion is used to resist the The upper surface of the electronic substrate forms the abutting and positioning structure between the positioning fastener and the electronic substrate.

Another object of the present invention is that the fixing unit is composed of a fixing column and a plurality of wing plates, and the fixing column and the wing plates extend into a rotation positioning hole of the electronic substrate for a rotation A clamping groove for clamping the electronic substrate is provided between the wings and the base.

Another object of the present invention is that the elastic compressing unit includes an elastic plate extending and connected to the pushing portion, the elastic plate is turned downward, extends parallel to the first direction, and is bent upward to extend a pushing plate. There is an elastic space between the plate and the push plate, and a positioning column is protruded from the inner side wall surfaces of the elastic plate and the push plate opposite to each other, and an elastic piece formed by a spring is sleeved between the two fixed columns .

1: Base

11: Splice plate

12: Resist plate

121: Resist the bump

13: Positioning components

130: Positioning Space

2: Fixed unit

20: Clamping groove

21: Fixed column

22: Wings

3: Elastic compression unit

30: Flexible space

31: Elastic plate

311: Positioning post

32: Push plate

321: Positioning column

322: Push Surface

33: Elastic

34: Positioning bumps

4: push part

41: Guide bevel

5: Electronic substrate

50: Rotation positioning hole

51: Fixing hole

6: circuit board

60: Buckle slot

7: Electrical connector

[Fig. 1] is a three-dimensional appearance view of the positioning fastener for fixing the interface card of the present invention.

[Fig. 2] is another three-dimensional appearance view of the positioning fastener for fixing the interface card of the present invention.

[FIG. 3] is an exploded perspective view of the positioning fastener for fixing the interface card of the present invention.

[FIG. 4] is the first action diagram of assembling the positioning fastener of the fixed interface card of the present invention.

[FIG. 5] is a second action diagram of assembling the positioning fastener for the fixed interface card of the present invention.

[FIG. 6] is the third action diagram of assembling the positioning fastener of the fixed interface card of the present invention.

[Fig. 7] is a fourth action diagram of the assembling of the positioning fastener for the fixed interface card of the present invention.

[Fig. 8] is the first action diagram of the positioning fastener of the fixed interface card embedded in the circuit board of the present invention.

[Fig. 9] is a second action diagram of the positioning fastener of the fixed interface card embedded in the circuit board of the present invention.

In order to achieve the above purpose and effect, the technical means and structure adopted by the present invention Therefore, the preferred embodiments of the present invention are described in detail in the drawings, and the features and functions are as follows, so as to be fully understood.

Please refer to Figures 1 to 7, which are the three-dimensional appearance view of the positioning fastener for the fixed interface card of the present invention, another three-dimensional appearance view, and a three-dimensional exploded view, the first, second, and third assembly of the positioning fastener for the fixed interface card. Three and four action diagrams, it can be clearly seen from the figures that the positioning fastener for fixing the interface card of the present invention includes: a base 1, a fixing unit 2, an elastic compression unit 3 and a pushing portion 4, and the The fixed fastener is composed of an insulating elastic material (such as elastic plastic or rubber) and has an integral molding structure. Its main components and features are described in detail as follows:

The base 1 extends toward the first direction with a connecting plate 11 , and the base 1 extends toward the second direction with a fixing unit 2 fixed on an electronic base 5 .

The elastic compression unit 3 is connected to the connecting plate 11 of the base 1 , and a circuit board (eg, M.2, SATA interface storage interface card with a circuit board) extends from one side of the elastic compression unit 3 . 6. Rotate a pushing portion 4 against which it is rotated downward. The pushing portion 4 is retracted by the stress of the circuit board 6 toward the first direction, and the elastic compression unit 3 is compressed to make the circuit board 6 rotate. Protruding into the bottom side of the pushing portion 4, and the base 1 protrudes toward the third direction with a positioning element 13 for the edge of the circuit board 6 to protrude and abut, and a positioning element 13 is formed outside the positioning element 13 for the circuit The plate 6 accommodates a positioning space 130 . The first direction of the base 1 is at a vertical angle to the second direction and the third direction, and the third direction is the opposite direction of the second direction.

The base 1 is further provided with a resisting plate 12 in the opposite direction of the first direction, and a resisting protrusion 121 is further provided on the bottom side of the resisting board 12 , and the resisting protrusion 121 is used for resisting the electronic substrate 5 to form the abutting and positioning structure of the positioning fastener and the electronic substrate 5 .

The positioning element 13 is composed of a semi-circular arc-shaped sheet body, and the circuit board 6 is on the Correspondingly, a semicircular buckle groove 60 is provided, and the positioning element 13 abuts against the buckle groove 60 on the suspended edge of the circuit board 6 for positioning, so as to form a positioning structure between the positioning buckle and the circuit board 6 .

The fixing unit 2 is composed of a fixing column 21 and a plurality of wing plates 22 (in this embodiment, two wing plates 22 are arranged in the symmetrical direction of the fixing column 21, but not limited by this). The fixing column 21 and these The wing plate 22 extends into a rotation positioning hole 50 of the electronic substrate 5 to perform a rotary positioning, and the electronic substrate 5 is clamped between the base 1 and the wing plates 22. The so-called rotary positioning is based on a predetermined Set an angle (the preferred implementation angle is 90°, but it can also be 45°, 60°, 105°, 120° or other angles) to rotate the positioning fastener, and between the wings 22 and the base 1 There is a holding groove 20 for holding the electronic substrate 5 therebetween. The abutting bumps 121 of the abutting plate 12 of the positioning fastener, the positioning bumps 34 of the fixing unit 2 and the bottom side of the elastic compression unit 3 are simultaneously positioned or abutted against the electronic substrate 5 to form a three-point straight line. stable structure.

The elastic compression unit 3 includes an elastic plate 31 extending and connected to the pushing portion 4 . The elastic plate 31 is turned downward and extends parallel to the first direction and is bent and extends upward. A pushing plate 32 extends above the elastic plate 31 . There is an elastic space 30 between the pressing plate 32, and a positioning post (311, 321) protrudes from the opposite inner side walls of the elastic plate 31 and the pressing plate 32, and the two positioning posts (311, 321) An elastic member 33 composed of a spring is sleeved between them. The setting of the elastic member 33 can prevent the elastic plate 31 or the pushing plate 32 from breaking when the stress is too large when the force is applied to the pushing plate 32. Therefore, the elastic member 33 In addition to the elastic reset function, it can also be regarded as a stress buffering element.

The pushing plate 32 has a concave pushing surface 322 formed on the outer side thereof, and a positioning protrusion 34 is disposed on the bottom side of the pushing plate 32 through a fixing hole 51 of the electronic substrate 5 .

The top side of the pushing portion 4 has a guide slope 41 that guides the circuit board 6 to rotate downwards , and the guide slope 41 is in the shape of a circular arc. Of course, the present invention does not limit the shape of the guide slope 41, and the guide slope 41 is designed as a chamfered surface within the scope of protection.

The electronic substrate 5 is further provided with an electrical connector 7 , and the electrical connector 7 provides the circuit board 6 to be inserted and electrically connects the electronic substrate 5 and the circuit board 6 .

Please refer to FIG. 3 , because the positioning fasteners are integrally formed, the two ends of the elastic member 33 only need to be respectively clamped between the positioning columns 311 of the elastic plate 31 and the positioning columns 321 of the push plate 32 during assembly. The assembly can be completed, and the assembly method is quite convenient and facilitates the rapid mass production of the positioning fastener of the present invention.

Please refer to Figures 4 to 9, which are the first, second, third, and fourth actions of assembling the positioning fasteners of the fixed interface card of the present invention, and the first and second operations of embedding the positioning fasteners of the fixed interface card into the circuit board As shown in the figure, when the positioning fastener is to be assembled into the electronic substrate 5, the fixing posts 21 and the wings 22 of the positioning fastener are firstly inserted into the rotation positioning holes 50 of the electronic substrate 5 and rotated clockwise or counterclockwise. The electronic substrate 5 is clamped between the base 1 and the wings 22 by moving the angle of 90° to make a positioning. At the same time, the positioning bumps 34 on the bottom side of the elastic compression unit 3 are engaged with the fixing holes of the electronic substrate 5 51, and the abutting bump 121 of the abutting plate 12 abuts the upper surface of the electronic substrate 5, and the clamping groove 20 of the fixing unit 2 is used to clamp the electronic substrate 5, so as to form a three-point straight line fixation state. The electronic substrate 5 is provided with an electrical connector 7 . The electrical connector 7 provides the circuit board 6 to be inserted to generate an electrical connection, and is fixed by a positioning fastener on the edge of the board where the circuit board 6 is suspended. When the suspended edge of the circuit board 6 is to be positioned in the positioning fastener, the electrical connector 7 must be used as the rotation axis to rotate the circuit board 6 toward the position of the pushing portion 4 of the positioning fastener. The pushing portion 4 is retracted by the stress of the circuit board 6 toward the first direction (horizontal direction), and the elastic plate 31 is moved toward the pushing plate 32 to form a small bending deformation, and the elastic member 33 is compressed and deformed. so that the circuit board 6 is screwed down vertically The bottom side of the part 4 enters the positioning space 130, and the positioning space 130 has the positioning element 13 of the semi-circular arc-shaped sheet body. 4. The elastic plate 31 , the pressing plate 32 and the elastic piece 33 are returned to their original positions to form the positioning structure of the positioning fastener and the circuit board 6 .

In view of the above, when the circuit board 6 is to be removed, it is only necessary to press the outer side of the elastic plate 31 and the pushing surface 322 of the pressing plate 32 at the same time, so that the elastic plate 31 moves toward the pressing plate 32 and the elastic member 33 is compressed and deformed, so that the circuit The plate 6 rotates upward to disengage the positioning element 13, and after the stress applied to the elastic plate 31 and the pressing plate 32 is removed, the elastic member 33 rebounds to the state before compression, and the pushing portion 4, the elastic plate 31, the pushing The pressing plate 32 also returns to its original position to complete the use of the present invention.

From the disclosure of the above-mentioned Figures 1 to 9, it can be understood that the present invention is a positioning fastener for fixing an interface card, comprising: a base extending toward the first direction and a connecting plate extending toward the second direction There is a fixing unit fixed on an electronic base; an elastic compression unit is connected to the connecting plate of the base, and one side of the elastic compression unit extends and is resisted by a circuit board rotating downward. a pushing portion, the pushing portion is retracted by the stress of the circuit board toward the first direction, and the elastic compression unit is compressed to make the circuit board rotate and extend into the bottom side of the pushing portion, and the base is facing A positioning element protrudes in the third direction for the edge of the circuit board to protrude and abut, a positioning space is formed outside the positioning element for accommodating the circuit board, and a circuit board or an interface is formed by the above composition The fast positioning and dismantling structure of the card, and the positioning fastener is made of insulating elastic material. When it is accidentally dropped on the electronic substrate or circuit board, it will not cause circuit short circuit and damage to electronic components, and has excellent safety. sex. The present invention has excellent practicability when applied to the assembly of interface cards, so a patent application is filed to seek patent protection.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Therefore, all simple modifications and equivalent structural changes made by using the contents of the description and drawings of the present invention should be similarly included in the scope of the patent of the present invention, and are hereby stated.

To sum up, the positioning fastener for the fixed interface card of the present invention can indeed achieve its effect and purpose when it is used. Therefore, the present invention is an invention with excellent practicability. In order to meet the application requirements for an invention patent, the I hope that the review committee will approve the case as soon as possible to protect the inventor's hard work. If the review committee has any doubts, please do not hesitate to send a letter for instructions. The inventor will make every effort to cooperate.

1: Base

11: Splice plate

12: Resist plate

13: Positioning components

130: Positioning Space

2: Fixed unit

20: Clamping groove

21: Fixed column

22: Wings

3: Elastic compression unit

30: Flexible space

31: Elastic plate

32: Push plate

321: Positioning column

33: Elastic

4: push part

41: Guide bevel

Claims (9)

A positioning fastener for fixing an interface card, comprising: a base with a connecting plate extending toward a first direction, the base extending toward a second direction with a fixing unit fixed on an electronic base; and an elastic compression a unit, which is connected to the connecting plate of the base, and a push portion is extended from one side of the elastic compression unit to be resisted by a circuit board rotated downward, and the push portion is pushed by the circuit board toward the first Stressed in one direction and then retracted, and the elastic compression unit is compressed to make the circuit board rotate and protrude into the bottom side of the pushing portion, and the base protrudes toward the third direction for the edge of the circuit board to extend into and abut a positioning element, a positioning space for the circuit board to be accommodated is formed outside the positioning element, and the elastic compression unit includes an elastic plate that is extended and connected with the pushing portion, the elastic plate is turned downwards and faces the A push plate extends parallel to the first direction and is bent upward and extends, there is an elastic space between the elastic plate and the push plate, and a positioning post protrudes from the inner side wall surface of the elastic plate and the push plate opposite to each other, and the An elastic piece formed by a spring is sleeved between the two fixed columns. The positioning fastener for fixing an interface card as claimed in claim 1, wherein the base is further provided with a resisting plate in the opposite direction of the first direction, and a resisting protrusion is further provided on the bottom side of the resisting board, and the resisting plate is further provided with a resisting protrusion. The bumps are used for abutting the upper surface of the electronic substrate to form a resisting and positioning structure between the positioning fastener and the electronic substrate. The positioning fastener for fixing an interface card as claimed in claim 1, wherein the fixing unit is composed of a fixing column and a plurality of wing plates, and the fixing column and the wing plates extend into a rotation positioning hole of the electronic substrate to form a It is rotated and positioned, and there is a clamping groove between the wings and the base for clamping the electronic substrate. The positioning fastener for fixing an interface card as claimed in claim 1, wherein a concave push surface is formed on the outer side of the push plate, and a positioning protrusion is formed on the bottom side of the push plate through a fixing hole of the electronic substrate piece. The positioning fastener for fixing an interface card as claimed in claim 1, wherein the top side of the pressing portion has a guide slope for guiding the circuit board to rotate downward, and the guide slope is in the shape of an arc. The positioning fastener for fixing an interface card as claimed in claim 1, wherein the positioning element is formed of a semi-circular arc-shaped sheet body, and a semi-circular buckle groove is correspondingly provided on the circuit board, and the positioning element abuts against the A positioning is made in the buckle groove of the suspended board edge of the circuit board to form a positioning structure between the positioning buckle and the circuit board. The positioning fastener for fixing an interface card according to claim 1, wherein the fastener fastener is made of an insulating elastic material and has an integrally formed structure. The positioning fastener for fixing an interface card as claimed in claim 1, wherein the electronic substrate is further provided with an electrical connector, the electrical connector provides the circuit board for insertion, and enables the electronic substrate and the circuit board to be electrically connected connect. The positioning fastener for fixing an interface card as claimed in claim 1, wherein the first direction the base faces toward is at a vertical angle to the second direction and the third direction, and the third direction is opposite to the second direction direction.

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