US20070221591A1 - Wedged sliding trough structure - Google Patents

Wedged sliding trough structure Download PDF

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Publication number
US20070221591A1
US20070221591A1 US11/387,724 US38772406A US2007221591A1 US 20070221591 A1 US20070221591 A1 US 20070221591A1 US 38772406 A US38772406 A US 38772406A US 2007221591 A1 US2007221591 A1 US 2007221591A1
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US
United States
Prior art keywords
wedged
flake
spring
receiving slot
insulating
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
US11/387,724
Inventor
Yang-Yuan Hsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nextronics Engineering Corp
Original Assignee
Nextronics Engineering Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nextronics Engineering Corp filed Critical Nextronics Engineering Corp
Priority to US11/387,724 priority Critical patent/US20070221591A1/en
Assigned to NEXTRONICS ENGINEERING CORP. reassignment NEXTRONICS ENGINEERING CORP. ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: HSU, YANG-YUAN
Publication of US20070221591A1 publication Critical patent/US20070221591A1/en
Abandoned legal-status Critical Current

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    • HELECTRICITY
    • H05ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05KPRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00Constructional details common to different types of electric apparatus
    • H05K7/14Mounting supporting structure in casing or on frame or rack
    • H05K7/1417Mounting supporting structure in casing or on frame or rack having securing means for mounting boards, plates or wiring boards
    • H05K7/1418Card guides, e.g. grooves

Abstract

A wedged sliding trough structure includes an insulating body, at least one wedged spring-flake, and at least one pin spring-flake. The insulating body has at least one wedged spring-flake receiving slot and at least one pin spring-flake receiving slot is used for receiving the wedged spring-flake and the pin spring-flake. By adding the spring-flakes in the insulating body, the wedged sliding trough structure of the present invention has the function of preventing static electricity from discharging and has increased strength so it is less likely to be broken.

Description

    BACKGROUND OF THE INVENTION
  • 1. Field of the Invention
  • The present invention relates to a wedged sliding trough structure. In particular, this invention relates to a wedged sliding trough structure used in the inner part of the housing of an industrial computer.
  • 2. Description of the Related Art
  • In the inner part of the housing of an industrial computer, a wedged sliding trough structure is generally assembled with a locking-supporting frame to form an interface card plugging structure. The number of the interface card slots is increased or reduced by installing the wedged sliding trough structure or disassembling the wedged sliding trough structure.
  • As shown in FIG. 1, the wedged sliding trough structure of the prior art has an insulating body 10 a having a bridge-connecting beam 11 a, a pair of fixing parts 12 a, and a pair of wedged hooks 14 a. The pair of fixing parts 12 a are connected with the two ends of the bridge-connecting beam 11 a and are located on the same side. A screw-receiving slot 121 a having a through 122 a is formed on each of the fixing parts 12 a. The wedged hook 14 a is extended downward from the inside of the insulating body 10 a. As shown in FIG. 2, when the wedged sliding trough structure is assembled with the locking-supporting frame 20 a, the wedged hook 14 a of the insulating body 10 a is plugged into the corresponding square hole 21 a located on the locking-supporting frame 20 a. The wedged hook 14 a is wedged and locked into the square hole 21 a, a self-locking screw passes through the through hole 122 a to lock the insulating body 10 a on the locking-supporting frame 20 a. The screw nut is received in the screw-receiving slot 121 a. Thereby, the insulating body 10 a is locked onto the locking-supporting frame 20 a.
  • The wedged sliding trough structure of the prior art lacks a design to prevent static electricity from discharging, and the connecting area 13 a between the bridge-connecting beam 11 a and the fixing part 12 a is easily broken. When the wedged sliding trough structure is locked onto the locking-supporting frame 20 a via the self-locking screw, it is easy shifted due to there being no locking position designed on the surface of the locking-supporting frame 20 a. Therefore, the locking position is shifted and the locking-supporting frame 20 a is damaged. Moreover, when the insulating body 10 a is disassembled from the locking-supporting frame 20 a, the wedged hook 14 a is easily broken as the wedged hook 14 a is inflexible.
  • SUMMARY OF THE INVENTION
  • One particular aspect of the present invention is to provide a wedged sliding trough structure that prevents static electricity from discharging and is strong.
  • The wedged sliding trough structure includes an insulating body having at least one wedged spring-flake receiving slot and at least one pin spring-flake receiving slot, at least one wedged spring-flake and at least one pin spring-flake. The wedged spring-flake is received in the wedged spring-flake receiving slot and the pin spring-flake is received in the pin spring-flake receiving slot to form the wedged sliding trough structure that prevents static electricity from discharging.
  • For further understanding of the invention, reference is made to the following detailed description illustrating the embodiments and examples of the invention. The description is only for illustrating the invention and is not intended to be considered limiting of the scope of the claim.
  • BRIEF DESCRIPTION OF THE DRAWINGS
  • The drawings included herein provide a further understanding of the invention. A brief introduction of the drawings is as follows:
  • FIG. 1 is a perspective view of the wedged sliding trough structure of the prior art;
  • FIG. 2 is a perspective view of the wedged sliding trough structure of the prior art locked with the locking-supporting frame;
  • FIG. 3 is an exploded perspective view of the wedged sliding trough structure of the present invention;
  • FIG. 4 is a top view of the insulating body of the wedged sliding trough structure of the present invention;
  • FIG. 5 is a bottom view of the insulating body of the wedged sliding trough structure of the present invention;
  • FIG. 6 is a front view of the insulating body of the wedged sliding trough structure of the present invention;
  • FIG. 7 is a rear view of the insulating body of the wedged sliding trough structure of the present invention;
  • FIG. 8 is a perspective view of the wedged spring-flake of the wedged sliding trough structure of the present invention;
  • FIG. 9 is a perspective view of the pin spring-flake of the wedged sliding trough structure of the present invention;
  • FIG. 10 is an exploded perspective view of the wedged sliding trough structure of the present invention locked with the locking-supporting frame; and
  • FIG. 11 is a perspective view of the wedged sliding trough structure of the present invention assembled with the interface card.
  • DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS
  • Reference is made to FIGS. 3 to 7. The wedged sliding trough structure includes an insulating body 10, a pair of wedged spring-flakes 60, and a pair of pin spring-flakes 70. The insulating body 10 includes a bridge-connecting beam 11, a pair of fixing parts 12, a pair of wedged hooks 14, and a pair of arc ribs 40. The bridge-connecting beam 11 has a pair of wedged spring-flake receiving slot 113, a sliding-slot 111 for being plugged into by an interface card, two pairs of through holes 112, and a supporting rib 50. The wedged spring-flake receiving slot 113 is located on the bottom of the bridge-connecting beam 111 and has an opening at its lower end. A positioning transverse beam 1131 is installed in the inner section of the wedged spring-flake receiving slot 113. Each pair of through holes 112 are symmetrically located at the two sides of the sliding-slot 111. Each of the through holes 112 is interlinked with the corresponding wedged spring-flake receiving slot 113. The through holes 112 are bar-shaped and have an arc in the middle of the through hole 112 that corresponds to the wedged spring-flake 60. The supporting rib 50 is extended from the bottom of the bridge-connecting beam 11 along a waved-shaped track so as to compensate for the total proportion and width of the bridge-connecting beam 11. Therefore, the bridge-connecting beam 11 is strengthened and is not easily broken.
  • The pair of fixing parts 12 are installed at the two ends of the insulating body 10 and connected with the same side of the bridge-connecting beam 11. Each of the fixing parts 12 includes a fitting hole 121, a pin spring-flake receiving slot 122, a plugging slot 123, and a screw nut-receiving slot 30. The fitting holes 121 are located the side of the two ends of the insulating body 10. The pin spring-flake receiving slot 122 is located at the inner section of the front end of the fixing part 12 and interlinks with the fitting hole 121. On the upper side of the pin spring-flake receiving slot 122 there is an opening. The plugging slot 123 is square, and is adjacent to the pin spring-flake receiving slot 122 and located at the bottom of the fixing part 12. The screw nut-receiving slot 30 has a hexagon shape, is located in the inner section of the fixing part 12, and has an opening at the upper side. A leading-location column 32 extends from the bottom of the screw nut-receiving slot 30 and has a square-column shape.
  • The wedged hooks 20 extend from the wedged hook receiving surface 13 located in the inner section of the two ends of the insulating body 10. Between the opposite two side surfaces of each of the wedged hooks 20 and the insulating body 10, there is a cutting slot 21 which is bar-shaped. Therefore, the flexibility of the wedged hook 20 is better and the wedged hook 20 is not easily broken.
  • The arc ribs 40 are respectively connected with the bridge-connecting beam 11 and the inner side of the fixing part 12 so as to compensate for their connecting strength. Therefore, the insulating body 10 is not easily broken at the point where the bridge-connecting beam 11 and the fixing part 12 connect.
  • Reference is made to FIG. 8. The wedged spring-flake 60 has a U-shape and a bottom board 63. A side board 64 extends from each of the two sides of the bottom board 63. There is a protruding part 61 having an arc-shape located in the center of the upper end of the side board 64. An inverse thorn 62 is formed by bending the lower end of the side board 64. The wedged spring-flake 60 passes through the lower opening of the wedged spring-flake receiving slot 113 and is received in the inner section of the wedged spring-flake receiving slot 113. The inner side surface 65 of the bottom board 63 is pasted onto the positioning transverse beam 1131. The inverse thorn 62 is wedged at the two inner side surfaces of the wedged spring-flake receiving slot 113 to expose the outer side surface 66 of the bottom board 63 of the wedged spring-flake 60 from the lower opening of the bridge-connecting beam 11 and protrude to the bottom of the bridge-connecting beam 11 slightly. The protruding part 61 extends symmetrically from the two sides of the sliding slot 111 via the through hole 112 and is positioned in the sliding slot 111.
  • Reference is made to FIG. 9. Each of the pin spring-flakes 70 has a bottom board 71. A rectangular board 72 extends vertically and upwardly from one end of the bottom board 71. A leaning-pushing part 73 extends at a slant from another end of the bottom board 71 and the leaning-pushing part 73 is L-shaped and has elasticity. The rectangular board 72 is plugged into the plugging slot 123 located at the bottom of the fixing part 12. The top surface of the bottom board 71 leans tightly on the bottom surface of the fixing part 12. The leaning-pushing part 73 extends from the bottom of the fixing part 12 and is received in the space of the pin spring-flake receiving slot 12.
  • Reference is made to FIG. 10. When the insulating body 10 is combined with the locking-supporting frame 80, the wedged hook 20 and the leading-location column 32 of the insulating body 10 are plugged into the corresponding square hole 81 on the locking-supporting frame 80 to wedge and lock the wedged hook 20 into the square hole 81. The leading-location column 32 is used as a positioning column for locking. The screw nut 90 is received in the screw nut-receiving slot 30 and a screw 91 passes through the through hole 31 of the leading-location column 32 in the square hole 81 via the locking-supporting frame 80 and is then locked with the screw nut 90. Thereby, the insulating body 10 is locked with the locking-supporting frame 80. The square hole 81 is used for positioning and locking. The locking position is not shifted and the locking-supporting frame 80 is not damaged. When the insulating body 10 is disassembled, the screw nut 90 is unlocked from the screw 91 and presses the wedged hook 20 having elasticity in the square hole 81 to make the wedged hook 20 deform and escape from the square hole 81. Thereby, the insulating body 10 is easily disassembled from the locking-supporting frame 80. It is easy to disassemble the insulating body 10 and the wedged hook 20 is not easily broken.
  • Reference is made to FIG. 11. When the insulating body 10 is installed on the locking-supporting frame 80, the wedged spring-flake 60 on the bottom of the bridge-connecting beam 11 contacts the surface of the locking-supporting frame 80, and the bottom of the bottom board 71 of the pin spring-flake 70 also contacts the surface of the locking-supporting frame 80. When the interface card is plugged into the sliding slot 111, the wedged spring-flake protruding part 61 extending from the through hole 112 and located at the two sides of the sliding slot 111 leans tightly against the grounding area 102 located at the side of the interface card 100. The pin 101 of the interface card 100 is plugged into the fitting hole 121, extends into the pin spring-flake receiving slot 122, and contacts the leaning-pushing part 73 of the pin spring-flake 70 received in the pin spring-flake receiving slot 122. Therefore, static electricity is conducted to the locking-supporting frame 80 via the wedged spring-flake 60 and the pin spring-flake 70 so as to prevent static electricity from discharging.
  • The present invention uses the arc ribs 40 and the supporting ribs 50 etc, to enhance the strength of the wedged sliding trough structure. The present invention also uses the wedged spring-flake 60 and the pin spring-flake 70 to achieve the effect of preventing static electricity from discharging. It is easy and fast to disassemble and assemble the wedged sliding trough structure. The problem of locking the wedged sliding trough structure with the locking-supporting frame at a shifted location is also avoided.
  • The description above only illustrates specific embodiments and examples of the invention. The invention should therefore cover various modifications and variations made to the herein-described structure and operations of the invention, provided they fall within the scope of the invention as defined in the following appended claims.

Claims (10)

1. A wedged sliding trough structure, used in combination with a locking-supporting frame, comprising:
an insulating body having a sliding slot, wherein the insulating body comprises at least one wedged spring-flake receiving slot and at least one pin spring-flake receiving slot;
at least one wedged spring-flake received in the wedged spring-flake receiving slot; and
at least one pin spring-flake received in the pin spring-flake receiving slot.
2. The wedged sliding trough structure as claimed in claim 1, wherein a wedged hook receiving surface is located in the inner section of each of the two ends of the insulating body, and a pair of wedged hooks 20 extend downward from the wedged hook receiving surface, and the opposite two side surfaces of each of the wedged hooks 20 has a cutting slot.
3. The wedged sliding trough structure as claimed in claim 1, wherein the insulating body comprises a bridge-connecting beam and a pair of fixing parts, wherein the pair of the fixing parts are located at the two ends of the insulating body and are connected with the same side of the bridge-connecting beam.
4. The wedged sliding trough structure as claimed in claim 3, wherein the insulating body comprises a pair of arc ribs, and the pair of the arc ribs are connected with the bridge-connecting beam and the inner of the pair of the fixing part.
5. The wedged sliding trough structure as claimed in claim 3, wherein the bridge-connecting beam comprises at least one pair of through holes corresponding to the wedged spring-flake receiving slot, wherein the wedged spring-flake receiving slot is located at the bottom of the bridge-connecting beam and there is an opening at the lower side of the wedged spring-flake receiving slot, and the pair of the through holes are respectively located at the two sides of the sliding slot and interlink with the wedged spring-flake receiving slot.
6. The wedged sliding trough structure as claimed in claim 3, wherein each of the fixing parts comprises at least one fitting hole and at least one plugging slot, wherein the fitting holes are located at the side surfaces of the two ends of the insulating body, the pin spring-flake receiving slot is located at the inner of the front end of the fixing part and interlinks with the fitting hole, and the plugging slot is adjacent to the pin spring-flake receiving slot and located at the bottom of the fixing part.
7. The wedged sliding trough structure as claimed in claim 3, wherein at least one screw nut-receiving slot is located at the inner section of the fixing part, wherein on the upper side of the screw nut-receiving slot a leading-location column having a through hole extends from the bottom of the screw nut-receiving slot and the leading-location column has a square-column shaped.
8. The wedged sliding trough structure as claimed in claim 1, wherein the insulating body comprises a supporting rib, and the supporting rib extends from the bottom of the bridge-connecting beam along a waved-shape track.
9. The wedged sliding trough structure as claimed in claim 1, wherein the wedged spring-flake has a bottom board, wherein a side board extends from each of the two sides of the bottom board, there is a protruding part having an arc-shape located in the center of the upper end of the side board, and an inverse thorn is formed by bending the lower end of the side board.
10. The wedged sliding trough structure as claimed in claim 1, wherein the pin spring-flake has a bottom board, a rectangular board is extended vertically and upwardly from one end of the bottom board, and a leaning-pushing part having elasticity extends at a slanted from another end of the bottom board.
US11/387,724 2006-03-24 2006-03-24 Wedged sliding trough structure Abandoned US20070221591A1 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110037357A1 (en) * 2009-08-12 2011-02-17 Li-Fu Chiang Guideway device for server casings

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