TWM564308U - Spacing pillar having conductive function - Google Patents

Abstract

A spacer column having a conductive function, comprising a positioning member and a fixing bolt; the positioning member axially opening a column of a pin hole, the column body embedding a conductive ring, the conductive ring being spaced apart at least one a first contact ring and a second contact ring connected to the connecting piece; the bottom end and the top end of the pin hole respectively protrude from a first joint portion and a second joint portion, wherein the first joint portion includes At least two first hooks extending axially from a periphery of the pin hole, the first hooks forming a first slot having an inner diameter not greater than an outer diameter of a latch of the fixing bolt, and the second joint Including at least two second hooks extending axially from the circumference of the pin hole, and a second slot having an inner diameter not greater than the outer diameter of the pin is formed in the second hook; when the pin is inserted When the first slot, the pin hole and the second slot are in the first slot, the latch can prevent the first and second hooks from undergoing the contraction deformation, so that the first contact ring forms electrical properties with the first plate The second contact ring is electrically connected to the second plate.

Description

Spacer with conductive function

This case relates to a spacer, especially a spacer with conductive function.

According to the computer or electronic product, in order to separate one plate, such as a printed circuit board, from another plate, such as a machine board of a housing or another printed circuit board, a plurality is usually inserted between the plate and another plate. Spacers, separating the two boards from each other. In addition to providing a stable support and positioning effect for the printed circuit board, this can also avoid the short circuit caused by the two plates being stacked.

As shown in FIG. 1, a conventional sectional view of a spacer post fastened to two plates is provided. The spacer post is integrally provided with a first elastic hook 101 and a second elastic hook at both ends of a positioning member 10. 102, the first elastic buckle 101 is inserted into a first plate 4, such as a first plate hole 41 of a metal machine plate, and the second elastic buckle 102 is inserted into a second plate 5, such as a printed circuit board. In the second plate hole 51, the positioning member 10 is interposed between the first and second plates 4 and 5, and a distance is formed between the first plate 4 and the second plate 5.

However, the positioning member 10 is made of insulating plastic, so the radio wave noise generated by the second plate 5 cannot be connected to the first plate 4 in a grounded manner, so that electromagnetic interference (Electro-Magnetic Interference, referred to as For EMI), and needs to be improved.

The main purpose of this case is to provide a spacer with a conductive function, which can be quickly connected between a first plate and a second plate, and a conductive ring is embedded in a body of the spacer, and the conductive ring and the The first plate and the second plate form an electrical contact, so that the spacer has a conductive function.

In order to achieve the foregoing object, the technical means adopted in this case is to provide a spacer with a conductive function, which includes a positioning member and a fixing bolt; the positioning member includes a column with a pin hole axially opened, and the column A conductive ring is buried in the body. The conductive ring is provided with a first contact ring and a second contact ring at intervals. The first contact ring and the second contact ring are connected by at least one connecting piece. The inner and outer peripheral surfaces are additionally provided with a filling groove which communicates with and covers the column body; and the bottom end and the top end of the pin hole are respectively provided with a first joint portion for a first plate installation and a first joint portion for a first plate. A second joint portion mounted on two plates, wherein the first joint portion includes at least two pieces of first clasps extending axially from a peripheral edge of the pin hole, and the inner diameter of the at least two pieces of first clasps is not defined. A first slot larger than an outer diameter of a pin of the fixing bolt; and the second joint portion includes at least two pieces of second hooks extending axially from a peripheral edge of the pin hole, and the at least two pieces of second hook A second slot with an inner diameter not larger than the outer diameter of the pin is also formed in the buckle; when the When the pin is inserted into the first slot, the pin hole, and the second slot, the pin can prevent the at least two pieces of the first buckle and the at least two pieces of the second buckle from contracting and deforming, so that the first A contact ring is electrically connected to the first plate, and the second contact ring is electrically connected to the second plate.

In order to achieve the foregoing object, another technical means adopted in the present case is to provide a spacer with a conductive function, which includes a positioning member and a fixing bolt; the positioning member includes a cylinder with an axial pin hole, A conductive ring is embedded in the pillar. The conductive ring is provided with a first contact ring and a second contact ring at intervals. The first contact ring and the second contact ring are connected by at least one connecting piece. The inner and outer peripheral surfaces of the ring are additionally provided with a filling groove which communicates with and covers the column body; and the bottom end and the top end of the pin hole are respectively provided with a first joint portion and a supply hole for a first plate installation. A second joint portion mounted on a second plate, wherein the first joint portion includes a pair of first clasps protruding axially from the periphery of the pin hole and disposed opposite to each other, and the pair of first clasps are formed inside A first slot having an inner diameter smaller than an outer diameter of a pin of the fixing bolt makes the first slot a tapered shape, and the second joint portion includes at least an axially protruding portion from a peripheral edge of the pin hole. Two pieces of the second buckle, and the inner diameter of the at least two pieces of the second buckle is not larger than the latch A second slot with a diameter; when the pin is inserted into the first slot, the pin hole, and the second slot, the pin can radially expand the pair of first clasps and prevent the The at least two pieces of the second buckle are retracted and deformed, so that the first contact ring is electrically connected to the first plate, and the second contact ring is electrically connected to the second plate.

Please refer to FIG. 2 to FIG. 7. Basically, the spacer in this case includes a positioning member 1 and a fixing bolt 2. The positioning member 1 and the fixing bolt 2 are integrally injection molded from an insulating material, such as plastic.

The positioning member 1 includes a geometric shape, such as a circular cylinder 11. The cylinder 11 has a pin hole 12 axially. The cylinder 11 is embedded with a conductive ring 13. As shown in FIG. 2, the conductive rings 13 are spaced apart. A first contact ring 131 is provided in contact with a first plate 3, such as a metal machine plate, and a second contact ring 132 is provided in contact with a second plate 4, and the first contact ring 131 is in contact with the first The two contact rings 132 are connected by at least one connecting piece 133. In addition, the inner and outer peripheral surfaces of the conductive ring 13 are further provided with a filling groove 134 that communicates with and covers the pillar 11, so that the conductive ring 13 can be firmly buried in the pillar 11 without being detached. Or separated.

A first joint portion 14 for mounting the first plate 4 and a second joint portion 15 for mounting a second plate 5 are protruded from the bottom end and the top end of the pin hole 12, respectively. As shown in this embodiment, the first coupling portion 14 includes at least two pieces of first clasps 141 extending axially from a peripheral edge of the pin hole 12, and an inner diameter of the first clasps 141 is not greater than the inner diameter. A first slot 142 having an outer diameter of a pin 21 of the fixing bolt 2. The second coupling portion 15 includes at least two pieces of the second buckle 151 extending axially from the peripheral edge of the pin hole 12, and an inner diameter of the second buckle 151 is not greater than an outer diameter of the bolt 21. One second slot 152. Please refer to FIG. 2 again, the first joint portion 14 and the second joint portion 15 have the same fastening structure. Therefore, the free ends of the outer peripheral surfaces of each of the first and second hooks 141 and 151 are radially Each is provided with an arc-shaped convex portion 143, 153.

In addition, in order to provide the first joint portion 14 and the second joint portion 15 with an anti-rotation positioning function, at least one side surface of each of the first hooks 141 forms a flat cut surface 144 so as to abut against the first plate 4 A predetermined first plate hole 41 is, for example, a long side of an oblong hole, to form an anti-rotation positioning effect. Similarly, at least one side of each of the second hooks 151 forms a flat cut surface 154 so as to abut a predetermined second plate hole 51 of the second plate 5, such as a long side of an oblong hole. Can form the aforementioned anti-rotation positioning effect.

The fixing bolt 2 has a bolt 21 inserted into the first slot 142, the pin hole 12, and the second slot 152, and the first buckle 141 and the second buckle are blocked by the bolt 21. The retracted deformation of the hook 12. A fixing structure is provided opposite to the adjacent peripheral surface of the pin 21 and the pin hole 12, such as at least one buckle groove 211 and a buckle ring 121 (shown in FIGS. 8 and 9). After the pin 21 is inserted into the pin hole 12, No axial disengagement.

Wherein, the fixing structure is not limited to the foregoing embodiment, and at least one buckle groove may be provided in the pin hole 12, and a buckle ring may be provided on an outer peripheral surface of the bolt 21.

In particular, a gripping piece 22 is provided on the top end of the plug pin 21 for finger holding and operation, so as to facilitate the plug pin 21 to insert and pull out the pin hole 12.

Please refer to FIG. 3 to FIG. 6. If the first embodiment of the spacer is to be used as the interval between the first plate 4 and the second plate 5, first align the first joint portion 14 of the positioning member 1. And is fastened to the first plate hole 41 of the first plate 4, for example, in an oblong hole (shown in FIGS. 4 and 5), so that the first contact ring 131 of the conductive ring 13 and the first plate Electrical connection is formed around the hole 41; then, the first plate hole 51 of the second plate 5 is aligned with and fastened to the second joint portion 15 (shown in FIGS. 5 and 6), so that The second contact ring 132 of the conductive ring 13 forms an electrical connection with the periphery of the second plate hole 51; finally, the holding piece 22 is held to insert the pin 21 into the first slot 142 and the pin hole 12. And the second slot 152, so that the first clasps 141 and the second clasps 151 are not contracted and deformed, so that the spacers are firmly fastened to the first sheet 4 and the second sheet, respectively. 5 (shown in Figures 6 to 7).

As shown in FIG. 8 and FIG. 9, it shows cross-sectional views of the spacer post, the first plate 4 and the second plate 5 at two different perspectives after being assembled. It can be clearly seen from the figure that the pin 21 and the pin hole 12 After the at least one buckle groove 211 and the buckle ring 121 which are oppositely disposed on the adjacent peripheral surface form a buckle, the latch pin 21 cannot be axially detached from the pin hole 12, and the first contact ring 131 and the first plate hole Electrical connection is formed around 41, and the second contact ring 132 is electrically connected with the periphery of the second plate hole 51. If the first plate 4 is a metal machine plate, and the second plate 5 is a motherboard, a printed circuit board or an electronic device, such as an M.2 solid state drive, a Wi-Fi wireless network card or a 3G network card, etc., the second plate 5 The plate 5 and the first plate 4 form a grounding effect through the conductive ring 13. Therefore, the radio wave noise generated when the second plate 5 operates is transmitted to the first plate 4 through the conductive ring 13, so that electromagnetic interference can be eliminated. effect. Alternatively, the first plate 4 is a printed circuit board, and the second plate 5 is another printed circuit board, so that the second plate 5 and the first plate 4 form a conductive effect through the conductive ring 13.

Therefore, by the arrangement of the spacer posts, the second plate 5 can be installed on the first plate 4 at intervals, except that no shaking occurs, and the arc of each first hook 141 is used. The design of the convex portion 143 and the curved convex portion 153 of each of the second hooks 151 is such that the inclined surfaces of the curved convex portions 143 and 153 can form an axis to the first plate 4 and the second plate 5, respectively. Pressing force to promote tight electrical connection between the first contact ring 131 and the first plate hole 41, and close contact between the second contact ring 132 and the second plate hole 51. Sexual connection.

As shown in FIG. 10, a second embodiment of the spacer is disclosed. Compared with the first embodiment, the same reference numerals (symbols) are used to indicate the same components. Many common components are shared with this first embodiment, so only the differences between the two will be described in detail later.

In order to enable the positioning member 1 and the fixing bolt 2 to be integrally injection-molded, two ends of a connecting strip 3 are connected to the pillar 11 and the holding piece 22 respectively, and to facilitate the folding of the connecting strip 3 The bending is such that a thin bending section 31 is provided at a position approximately at the middle of the connecting strip 3 to facilitate the bending of the connecting strip 3 toward the positioning member 1 and reduce the production of the connecting strip 3 Reaction force.

As shown in FIG. 11 and FIG. 12, a third embodiment of the spacer is disclosed. Compared with the first embodiment, the third embodiment uses the same reference numerals (symbols) to indicate the same components. The three embodiments share many common components with the first embodiment, so only the differences between the two will be described in detail later.

The first joint portion 14 and the second joint portion 15 are buckle structures with different structures. Therefore, the number of the first hooks 141 of the first joint portion 14 is two, and the first hook portions 141 are oppositely disposed in the pin hole. 12, the inner diameter of the first slot 142 of the pair of first hooks 141 is preferably smaller than the outer diameter of the pin 21, so that the first slot 142 is tapered. Therefore, when the latch 21 is inserted into the first slot 142, the pin hole 12, and the second slot 152, the latch 21 can radially expand the pair of first hooks 141 and can prevent the At least two pieces of the second buckle 151 are retracted and deformed. Wherein, a hook portion 145 is provided at the free end of each of the first buckle hooks 141 on the outer peripheral surface, and the first plate hole 41 is sandwiched by the hook portion 145 and the first contact ring 131 together. The other two opposite sides of the bottom of the pin hole 12, that is, the first slot 142 radially extends a pair of abutment tongues 146 protruding from the pair of first hooks 141, so that the pair of abutment tongues 146 and the The first hook 141 can be fastened in the first plate hole 41 and has an anti-rotation effect. If the first plate hole 41 is a cross-shaped hole, the pair of abutment tongues 146 are sleeved in opposite grooves; or when the first plate hole 41 is an oblong hole, the pair of abutment tongues 146 abuts a pair of long side edges of the oblong hole to prevent the positioning member 1 from rotating in the first plate hole 41.

The second combining portion 15 is the same as the foregoing embodiment, and is not described herein.

Please refer to FIG. 13 to FIG. 16. If the third embodiment of the spacer is used as the interval between the first plate 4 and the second plate 5, first align the first joint portion 14 of the positioning member 1. And is fastened to the first plate hole 41 of the first plate 4, such as a cross-shaped hole (shown in FIGS. 13 and 14), so that the first contact ring 131 of the conductive ring 13 and the first plate hole Electrical connection is formed around 41; then, the first plate hole 51 of the second plate 5 is aligned and fastened to the second joint portion 15 (shown in FIGS. 14 and 15), so that the The second contact ring 132 of the conductive ring 13 forms an electrical connection with the periphery of the second plate hole 51; finally, the holding piece 22 is held and the pin 21 is inserted into the first plug of the first clasps 141. The grooves 142, the pin holes 12 and the second slots 152 of the second clasps 151 prevent the first clasps 141 and the second clasps 151 from being contracted and deformed, so as to separate the spacers. It is firmly fastened between the first plate 4 and the second plate 5 (shown in FIGS. 15 to 16).

As shown in FIG. 17 and FIG. 18, it shows cross sections of the spacer post, the first plate 4 and the second plate 5 at two different perspectives. It can be clearly seen from the figure that the plug 21 and the pin hole 12 After the at least one buckle groove 211 and the buckle ring 121 which are oppositely disposed on the adjacent peripheral surface form a buckle, the latch pin 21 cannot be axially detached from the pin hole 12, and the first contact ring 131 and the first plate hole Electrical connection is formed around 41, and the second contact ring 132 is electrically connected with the periphery of the second plate hole 51. If the first plate 4 is a metal machine plate, and the second plate 5 is a motherboard, a printed circuit board or an electronic device, such as an M.2 solid state drive, a Wi-Fi wireless network card or a 3G network card, etc., the second plate 5 The plate 5 and the first plate 4 form a grounding effect through the conductive ring 13. Therefore, the radio wave noise generated when the second plate 5 operates is transmitted to the first plate 4 through the conductive ring 13, so that electromagnetic interference can be eliminated. effect. Alternatively, the first plate 4 is a printed circuit board, and the second plate 5 is another printed circuit board, so that the second plate 5 and the first plate 4 form a conductive effect through the conductive ring 13.

As shown in FIG. 19, a fourth embodiment of the spacer is disclosed. Compared with the third embodiment, the fourth embodiment uses the same reference numerals (symbols) to indicate the same components. Since many common components are shared with this third embodiment, only differences between the two will be described in detail later.

In order to enable the positioning member 1 and the fixing bolt 2 to be integrally injection-molded, two ends of a connecting strip 3 are connected to the pillar 11 and the holding piece 22 respectively, and to facilitate the folding of the connecting strip 3 The bending is such that a thin bending section 31 is provided at a position approximately at the middle of the connecting strip 3 to facilitate the bending of the connecting strip 3 toward the positioning member 1 and reduce the production of the connecting strip 3 Reaction force.

Therefore, through the implementation of this case, the gain effect is that the holder made of an insulating material has the conductive ring with a conductive function buried and incident, so that the radio wave noise generated when the electronic device operates can pass through the conductive ring. The ground circuit which is conducted to the board, thereby achieving the effect of eliminating electromagnetic interference. In addition, the electronic device can be firmly installed on the board through the use of various embodiments of the positioning structure, which can prevent the electronic device from being shaken, and can ensure the electrical connection of the electronic device. See one of them.

The one disclosed in this case is one of the preferred embodiments, and any change or modification that originates from the technical ideas of this case and is easily inferred by those who are familiar with the technology, does not depart from the scope of patent rights in this case.

1‧‧‧ Positioning piece
11‧‧‧ cylinder
12‧‧‧ pin hole
121‧‧‧ buckle
13‧‧‧ conductive ring
131‧‧‧First contact ring
132‧‧‧Second contact ring
133‧‧‧Connector
134‧‧‧Filling tank
14‧‧‧ the first joint
141‧‧‧First buckle
142‧‧‧First slot
143‧‧‧arc convex
144‧‧‧Flat section
145‧‧‧ hook
146‧‧‧butt tenon
15‧‧‧ the second joint
151‧‧‧Second Buckle
152‧‧‧Second Slot
153‧‧‧arc convex
154‧‧‧Flat section
2‧‧‧ fixing bolt
21‧‧‧ Bolt
211‧‧‧Slot
22‧‧‧Grip
3‧‧‧ connecting strip
31‧‧‧Bend section
4‧‧‧ the first sheet
41‧‧‧First plate hole
5‧‧‧Second Sheet
51‧‧‧Second plate hole
10‧‧‧ Positioning piece
101‧‧‧The first elastic buckle
102‧‧‧Second elastic hook

In order to further disclose the specific technical content of this case, please first refer to the drawings, in which: FIG. 1 is a cross-sectional view of a conventional spacer column installed between two plates; FIG. 2 is an exploded perspective view of the first embodiment of the spacer column; Fig. 3 is a perspective view of the conductive ring of the case; Figs. 4 to 7 are flowcharts of mounting the first embodiment of the spacer column on two plates; Fig. 8 is a sectional view taken along line AA of Fig. 7; 7 is a sectional view taken along line BB; FIG. 10 is a perspective view of the second embodiment of the spacer column of the present invention; FIGS. 11 and 12 are perspective exploded views of the third embodiment of the spacer column of the present invention from two different perspectives; FIG. 17 is a flowchart of mounting the third embodiment of the spacer column on two plates; FIG. 17 is a cross-sectional view taken along line CC of FIG. 16; FIG. 18 is a cross-sectional view taken along line DD of FIG. 16; This is a perspective view of the fourth embodiment of the spacer column of the present invention.

Claims (11)

A spacer with a conductive function includes a positioning member and a fixing bolt. The positioning member includes a cylinder with an axially opened pin hole, the cylinder is embedded with a conductive ring, and the conductive ring is provided with a first interval. A contact ring and a second contact ring, the first contact ring and the second contact ring are connected by at least one connecting piece, and the inner and outer peripheral surfaces of the conductive ring are further provided with a communication for the cylinder A covered groove is covered; and the bottom end and the top end of the pin hole are respectively provided with a first joint portion for mounting a first plate and a second joint portion for mounting a second plate, wherein the first A coupling portion includes at least two pieces of first clasps extending axially from a peripheral edge of the pin hole, and a first plug having an inner diameter not larger than an outer diameter of a pin of the fixing bolt is formed in the at least two pieces of the first clasp. And the second joint portion includes at least two pieces of second buckle protruding axially from the peripheral edge of the pin hole, and an inner diameter of the at least two pieces of second buckle is not greater than the outer diameter of the pin. A second slot; when the pin is inserted into the first slot, the pin hole, and the second slot , The latch can prevent the at least two pieces of the first buckle and the at least two pieces of the second buckle from contracting and deforming, so that the first contact ring and the first sheet form an electrical connection, and the second contact ring is An electrical connection is formed with the second plate. As described in item 1 of the scope of the patent application, the spacer with conductive function, wherein each of the first buckle and each of the second buckle has an arc-shaped convex portion in the radial direction of the free end of the outer peripheral surface. As described in item 2 of the scope of the patent application, the spacer having a conductive function, wherein at least one side of each of the first clasps and each of the second clasps each forms a flat cut surface. A spacer with a conductive function includes a positioning member and a fixing bolt. The positioning member includes a cylinder with an axially opened pin hole, the cylinder is embedded with a conductive ring, and the conductive ring is provided with a first interval. A contact ring and a second contact ring, the first contact ring and the second contact ring are connected by at least one connecting piece, and the inner and outer peripheral surfaces of the conductive ring are further provided with a communication for the cylinder A covered groove is covered; and the bottom end and the top end of the pin hole are respectively provided with a first joint portion for mounting a first plate and a second joint portion for mounting a second plate, wherein the first A coupling portion includes a pair of first clasps extending axially from the periphery of the pin hole and disposed opposite to each other, and a pair of first clasps having an inner diameter smaller than an outer diameter of a pin of the fixing bolt is formed in the pair of first clasps. Slot, so that the first slot has a tapered shape, and the second joint portion includes at least two pieces of second clasps extending axially from the periphery of the pin hole, and the at least two pieces of second clasps are inside Forming a second slot with an inner diameter not larger than the outer diameter of the pin; when the pin is inserted into the first slot, the pin hole And in the second slot, the latch can radially expand the pair of first clasps, and can prevent the at least two pieces of the second clasp from contracting and deforming, so that the first contact ring and the first The plate forms an electrical connection, and the second contact ring forms an electrical connection with the second plate. The spacer with conductive function as described in item 1 of the scope of patent application, wherein the free ends of the outer peripheral surfaces of the pair of first clasps are each provided with a hook portion, and the hook portions and the first contact ring are commonly used to sandwich the same A pair of abutment tongues protruding from the first buckle are protruded radially in the first slot from the first plate. The spacer with conductive function as described in item 1 or 4 of the scope of patent application, wherein the latch pin is provided with a positioning structure opposite to the adjacent peripheral surface of the pin hole, and the positioning structure includes at least one positioning provided on the outer peripheral surface of the latch pin. A buckle groove and at least one positioning buckle ring provided on an inner peripheral surface of the pin hole. The spacer with conductive function as described in item 1 or 4 of the scope of patent application, wherein the latch pin is provided with a positioning structure opposite to the adjacent peripheral surface of the pin hole, and the positioning structure includes at least one positioning provided on the outer peripheral surface of the latch pin. A buckle ring and at least one positioning buckle groove provided on an inner peripheral surface of the pin hole. As described in item 1 or 4 of the scope of the patent application, a spacer having a conductive function is provided, wherein a top of the pin is radially provided with a holding piece for finger holding and operation. The spacer with conductive function according to item 1 or 4 of the scope of the patent application, wherein the first plate and the second plate are each selected from a metal machine board, a printed circuit board or an electronic device. As described in the patent application scope item 1 or 4, the spacer column with a conductive function further includes a connecting strip, and two ends of the connecting strip are respectively connected to the pillar and the fixing bolt. The spacer with conductive function as described in item 10 of the scope of patent application, wherein a thin bending section is provided at the middle position of the connecting strip.