chassis

Abstract

A chassis for mounting electronic cards of varying lengths, the electronic cards having a length extending along a first horizontal direction, the chassis comprising a housing, a bottom guide, and a holding device. The housing is used for mounting the electronic card. The bottom guide is disposed within the housing. The bottom guide defines a lower guide groove extending along the first horizontal direction. The holding device includes a holding bracket for holding the electronic card, a lower slider disposed on the holding bracket and slidably connected to the lower guide groove, and a locking fastener disposed on the holding bracket. The holding bracket is slidable along the first horizontal direction between the initial position spaced from the electronic card and the holding position for holding the electronic card. The locking fastener is used to lock the holding bracket to the bottom guide to secure it in the holding position.

Claims

1. A chassis for mounting at least one electronic card of different lengths, the electronic card having a length extending along a first horizontal direction, the chassis comprising: a housing for mounting the electronic card; a bottom guide frame disposed in the housing and spaced apart from the electronic card along the first horizontal direction, the bottom guide frame defining at least one lower guide groove extending along the first horizontal direction; and a holding device including a holding bracket for holding the electronic card, at least one lower slider disposed in the holding bracket and slidably connected to the lower guide groove, and a locking fastener disposed in the holding bracket, the holding bracket being movable relative to the bottom guide frame along the first horizontal direction and slidable between an initial position spaced apart from the electronic card and at least one holding position for holding the electronic card, the locking fastener being used to lock the holding bracket to the bottom guide frame to fix the holding bracket in the holding position.

2. The chassis as described in claim 1, wherein, The holder can be selectively slidable to one of a plurality of holding positions arranged along the first horizontal direction, corresponding to the length position of the electronic card to be engaged, to hold the electronic card at the holding position. The bottom guide includes a plurality of locking members arranged at intervals along the first horizontal direction, and the locking member is used to lock the holder to the corresponding locking member to fix the holder in the corresponding holding position.

3. The chassis as described in claim 2, wherein, The bottom guide has a plurality of positioning holes spaced apart along the first horizontal direction. The holding device also includes a positioning component disposed on the holding frame. The positioning component can be disengaged and elastically engaged with the positioning hole to be engaged, so as to position the holding frame in the initial position or the corresponding holding position.

4. The chassis as described in claim 3, wherein, The bottom guide frame includes a base plate fixed to the housing, and a plurality of positioning protrusions protruding from the base plate and spaced apart along the first horizontal direction, each corresponding to a positioning hole. Each positioning hole is disposed on the corresponding positioning protrusion, and each positioning protrusion has a guide surface. The positioning assembly includes a positioning bead that can be engaged with the corresponding positioning hole, and a spring for applying elastic force to the positioning bead in the direction toward the base plate. The positioning bead is used to slide in contact with the guide surface of the corresponding positioning protrusion to compress the spring.

5. The chassis as described in claim 1, wherein, The bottom guide frame defines a plurality of lower guide grooves, which are spaced apart along a second horizontal direction perpendicular to the first horizontal direction. The holding device includes a plurality of lower sliding members disposed on the holding frame and slidably connected to the lower guide grooves. Each lower sliding member has a first sliding post protruding from the bottom end of the holding frame and a second sliding post connected to the end of the first sliding post away from the holding frame. The outer diameter of the second sliding post is larger than the outer diameter of the first sliding post. The bottom guide frame includes a base plate fixed to the housing and a second sliding post protruding from the base plate and along the second horizontal direction perpendicular to the first horizontal direction. The second horizontal direction is spaced apart and the multiple guide rails are respectively corresponding to the lower guide grooves. Each lower guide groove is disposed on the corresponding guide rail. Each guide rail has a support wall that supports the retaining frame and is spaced apart from the base plate. The support wall has two stop wall portions spaced apart along the second horizontal direction. Each lower guide groove is located between the stop wall portions of the corresponding support wall. The stop wall portions respectively stop on the two opposite sides of the first sliding post of the corresponding lower sliding member, and the stop wall portions stop between the retaining frame and the second sliding post.

6. The chassis as described in claim 1, wherein, The holder has at least one holding plate, which has an end stop wall, a lower stop wall, an upper stop wall, and two side stop walls. The end stop wall is vertical and is arranged along the first horizontal direction with the rear end of the electronic card to stop the rear end of the electronic card. The lower stop wall and the upper stop wall are spaced apart along a longitudinal direction perpendicular to the first horizontal direction. The lower stop wall extends forward from the lower end of the end stop wall along the first horizontal direction to stop the lower side of the electronic card. The upper stop wall extends forward from the upper end of the end stop wall along the first horizontal direction to stop the upper side of the electronic card. The side stop walls are spaced apart along a second horizontal direction perpendicular to the first horizontal direction and are respectively used to stop the two opposite sides of the electronic card.

7. The chassis as described in claim 6, wherein, The retaining plate also has two lateral inclined walls that extend forward and outward from the front end of the lateral stop walls, a lower inclined wall that extends forward and downward from the front end of the lower stop wall, and an upper inclined wall that extends forward and upward from the front end of the upper stop wall. The lateral inclined walls, the lower inclined wall, and the upper inclined wall are each used to slide in contact with the electronic card to guide the electronic card to its position.

8. The chassis as described in claim 6, wherein, The enclosure of the chassis is used to install two electronic cards, which are arranged along the longitudinal direction. The retaining frame has two retaining plates arranged at intervals along the longitudinal direction. The upper stop wall of the retaining plate located on the lower side has two upper stop surfaces that are respectively connected to the side stop walls for blocking the upper side of the electronic card. The lower stop walls of the retaining plate located on the lower side have a lower stop surface located between the upper stop surfaces for blocking the lower side of the electronic card. The upper stop surfaces and the lower stop surfaces are arranged alternately along the second horizontal direction. The lower stop wall of the retaining plate located on the upper side has two lower stop surfaces that are respectively connected to the side stop walls for blocking the lower side of the electronic card. The upper stop wall of the retaining plate located on the upper side has an upper stop surface located between the lower stop surfaces for blocking the upper side of the electronic card. The lower stop surfaces and the upper stop surfaces are arranged alternately along the second horizontal direction.

9. The chassis as described in claim 1, wherein, The chassis housing is used to accommodate multiple electronic cards arranged longitudinally along a direction perpendicular to the first horizontal direction. The housing includes a base plate and a side plate vertically connected to the base plate. A bottom guide is disposed on the base plate. The chassis also includes a side guide disposed on the side plate. The side guide defines a side guide groove extending along the first horizontal direction. The holding device also includes a side slider disposed on the holding frame and slidably connected to the side guide groove.

10. The chassis as described in claim 9, wherein, The side sliding member has a first sliding post protruding from one side of the retaining frame, and a second sliding post connected to the end of the first sliding post away from the retaining frame. The outer diameter of the second sliding post is larger than the outer diameter of the first sliding post. The side guide frame has two stop walls spaced apart along the longitudinal direction. The stop walls stop between the retaining frame and the second sliding post, and the stop walls stop on two opposite sides of the first sliding post.

11. The chassis as described in claim 1, wherein, The enclosure includes a base plate, a side plate vertically connected to the base plate, a plurality of fasteners disposed on the base plate, and a locking member disposed on the side plate. The enclosure also includes an adapter module for mounting the electronic card. The adapter module includes a frame and a locking accessory disposed on the frame. The fasteners are fastened to the frame, and the locking accessory is detachably locked to the locking member to fix the frame to the enclosure.

12. The chassis as described in claim 11, wherein, Each of the fasteners has a stop post protruding from the base plate and a latching post connected to the stop post and spaced apart from the base plate. The outer diameter of the latching post is larger than the outer diameter of the stop post. The frame defines a plurality of through holes. Each through hole has a circular hole portion and an elongated hole portion communicating with the circular hole portion adjacent to the side of the bottom guide frame. The diameter of the circular hole portion is larger than the outer diameter of the corresponding latching post of the fastener to allow the latching post to pass through. The elongated hole portion extends longitudinally along the first horizontal direction. The width of the elongated hole portion is smaller than the diameter of the circular hole portion and the outer diameter of the corresponding latching post of the fastener. The elongated hole portion is used for the corresponding latching post to pass through. The fastener's stop post is accommodated, and the frame can slide relative to the housing in the first horizontal direction between a first position and a second position. When the frame is in the first position, the snap post of each fastener passes through the circular hole portion of the corresponding through hole, and the stop post of each fastener is accommodated in the circular hole portion of the corresponding through hole and aligned with the elongated hole portion. When the frame is in the second position, the snap post of each fastener is snapped onto the frame, and the stop post of each fastener is accommodated in the elongated hole portion of the corresponding through hole and blocks the frame. The lock accessory is aligned with the lock connector and is detachably locked to the lock connector.

Images