CN211017463U

CN211017463U - Fixing device for plate end card

Info

Publication number: CN211017463U
Application number: CN201921672331.4U
Authority: CN
Inventors: 陈柏苍
Original assignee: Kunshan Aces Electronic Co ltd
Current assignee: Kunshan Aces Electronic Co ltd
Priority date: 2019-10-08
Filing date: 2019-10-08
Publication date: 2020-07-14
Anticipated expiration: 2029-10-08

Abstract

The utility model provides a fixing device of a board end card, which comprises a seat body, a fixing frame and an expansion bracket, wherein the seat body is provided with a base for positioning on a circuit board, the surface of the base is provided with an inserting part for the board end card to be inserted, the inserting part is internally provided with a plurality of terminals for electrically conducting the circuit board and the board end card, two support arms extend in the same direction at two sides of the base, positioning spaces are respectively arranged in the two support arms, a containing groove which longitudinally penetrates is formed in the frame body of the fixing frame, fixing parts for movably positioning in the positioning spaces are respectively arranged at the left and the right outer sides of the frame body, the expansion bracket capable of doing expansion displacement action is sleeved on the frame body, a sliding space which is matched with the containing groove to place the board end card with different sizes in positioning is formed in the expansion bracket, the expansion bracket can do expansion displacement action on the fixing frame to adjust the size of the containing space, thus, the board end cards with different sizes and lengths can be stably combined on the seat body, and the convenience in use is improved.

Description

Fixing device for plate end card

Technical Field

The utility model relates to a fixing device of board end card indicates especially that fixing device's expansion bracket is for can carrying out the action of flexible displacement on the mount to the space size of board end card is accomodate in the adjustment, and then can supply the board end card of different size length to stably combine on the pedestal, so promote the convenience in the use.

Background

Nowadays, computer technology is rapidly developed in the future, desktop or notebook computers are generally present in every corner of society, and the development trend of computers is also moving toward strong operation function, high speed and small volume, so that the connectors inside the computers are greatly reduced, and the computer motherboard must be expanded with memory cards, interface cards or function boards to upgrade the whole application function, operation efficiency and operation capability in order to match the continuous improvement and progress of computer operation function.

However, the connectors of the motherboard are all provided with locking devices, and when the expansion memory card, the interface card or the functional board card is butted on the connectors, the expansion memory card, the interface card or the functional board card can be fixed by the locking devices, but because the industrial computer, the vehicle-mounted computer or other types of computers generate vibration during operation, the locking devices are easy to be loosened, so that the memory card, the interface card or the functional board card and the like are easy to be loosened, jump off or fall off the locking devices, and good electrical conduction with the connectors cannot be formed.

In addition, the height of a general Card Edge Connector (Edge Card Connector) needs to be reduced to meet the limit of the height in the manufacturing process and also meet the requirement of the minimum use area, so a design scheme of a split type is provided, wherein the scheme is that a Connector (Connector) can be firstly processed by a Surface Mount Technology (SMT), and then an assembled board end Card (Edge Card) fixing frame is inserted into the Connector.

Some manufacturers fix the board end card on the fixing frame first, and expose the lower contact of the board end card outside the fixing frame, and then insert the fixing frame into the card edge connector on the circuit board, so as to fix the board end card on the card edge connector to form electrical conduction.

Therefore, how to try to solve the above-mentioned existing drawbacks and inconveniences is a direction that the related art needs to research and improve.

SUMMERY OF THE UTILITY MODEL

Therefore, in view of the above problems and disadvantages, the present invention provides a new fixing device for end card, which is designed by the designers through many years of experience accumulated in the industry, trial and modification.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a fixing device of board end card which characterized in that, includes pedestal, mount and expansion bracket, wherein:

the base body is provided with a base for positioning on the preset circuit board, the surface of the base is provided with an inserting part for the end card of the preset board to insert, the inserting part is internally provided with a plurality of terminals for electrically conducting the preset circuit board and the end card of the preset board, two support arms extend in the same direction at two sides of the base, and the two support arms are internally provided with positioning spaces respectively;

the fixing frame is provided with a frame body, a containing groove which is longitudinally penetrated is formed in the frame body, and fixing parts for movably positioning in the positioning space are respectively arranged at the left outer side and the right outer side of the frame body;

the inside of the telescopic frame is provided with a sliding space which is sleeved on the frame body to do telescopic displacement and is matched with the accommodating groove to clamp and place the preset plate ends with different sizes into the positioning.

The fixing device of the board end card is characterized in that the inserting part is transversely provided with a slot for inserting the preset board end card on the surface of the base, and a plurality of terminal slots which are arranged at intervals and used for positioning a plurality of terminals penetrate through two opposite sides of the slot.

The fixing device of the plate end card is characterized in that the positions, corresponding to the inner sides, of the positioning spaces of the two support arms are provided with openings.

The fixing device of the plate end clamp is characterized in that the inner wall surfaces of the positioning spaces of the two support arms are concavely provided with clamping grooves, the fixing piece is provided with base parts positioned on the left and right outer side surfaces of the frame body, the bottom of each base part is reversely folded and extended to form an elastic sheet, fixing grooves clamped with the clamping grooves are formed in two opposite side wall surfaces of the elastic sheet, the tail end of the elastic sheet is provided with a pressing part for pressing, and an extrusion space is formed between the base parts and the elastic sheet.

The fixing device for the plate end clamp is characterized in that at least one stop block for stopping on the rear side surface of the preset plate end clamp is respectively arranged on two sides in the accommodating groove of the frame body, and at least one limit block for stopping on the front side surface of the preset plate end clamp is arranged in front of the at least one stop block.

The fixing device of the plate end clamp is characterized in that sliding plates are respectively arranged in front of the left side wall surface and the right side wall surface of the frame body of the fixing frame, and guide rails for the sliding plates to be placed into the sliding space are respectively arranged on the left side surface and the right side surface of the sliding space of the telescopic frame.

The fixing device of the plate end clamp is characterized in that a plurality of buckling holes which are arranged at intervals up and down are formed in the rear side face of the accommodating groove of the frame body, and buckling blocks and hook blocks which are arranged at intervals up and down and are used for being positioned in the two buckling holes are arranged on the rear side face of the sliding space of the telescopic frame.

The fixing device of the plate end card is characterized in that at least one pressing part for pressing the top surface of the preset plate end card is arranged above the sliding space of the telescopic frame, and a pressing sheet extending into the sliding space is arranged on one side of the pressing part.

The utility model provides a fixing device of board end card which characterized in that, includes mount and expansion bracket, wherein:

the fixing frame is provided with a frame body, a containing groove which is longitudinally penetrated is formed in the frame body, and fixing parts for presetting a seat body on the circuit board are respectively arranged at the left outer side and the right outer side of the frame body;

The utility model has the main advantages of, its action that can stretch out and draw back the displacement because of the expansion bracket on the mount to the adjustment is received and is predetermine the space size of receiving board end card, and then can supply the board end card of predetermineeing of not unidimensional length to stably combine on the pedestal, so reach the purpose that promotes convenience in the use.

Another advantage of the present invention is that the two fixing members of the fixing frame are assembled or disassembled on the base body through the elastic pieces, so that the board end clip is stably combined or separated on the base body without using any tool, thereby achieving the purpose of improving the assembling and disassembling speed and the convenience during assembling.

Drawings

Fig. 1 is a perspective view of the preferred embodiment of the present invention.

Fig. 2 is an exploded perspective view of the preferred embodiment of the present invention.

Fig. 3 is an exploded perspective view of another perspective of the preferred embodiment of the present invention.

Fig. 4 is a side sectional view of the preferred embodiment of the present invention.

Fig. 5 is a front sectional view of the preferred embodiment of the present invention.

Fig. 6 is a front sectional view of the fixing frame and the expansion frame of the preferred embodiment of the present invention when they are separated.

Fig. 7 is a perspective view of another embodiment of the present invention.

Fig. 8 is an exploded perspective view of another embodiment of the present invention.

Fig. 9 is a side sectional view of another embodiment of the present invention.

Fig. 10 is a front sectional view of another embodiment of the present invention.

Description of reference numerals: 1-a seat body; 11-a base; 111-a plug-in part; 1111-slot; 1112-terminal slots; 112-terminal; 12-a support arm; 120-a positioning space; 1201-opening a hole; 121-card slot; 2-a fixing frame; 21-a frame body; 211-a receiving groove; 212-a stop; 213-a limiting block; 214-a buttonhole; 215-a glide plate; 22-a fixing member; 220-an extrusion space; 221-a base; 222-a spring plate; 2221-fixed slot; 2222-a pressing part; 3-a telescopic frame; 30-a glide space; 31-a buckle block; 32-hook block; 33-a guide rail; 34-a pressing part; 341-pressing the tablets; 4-a circuit board; 41-welding spots; 5-board end clamping; 51-metal contact.

Detailed Description

To achieve the above objects and advantages, the preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Please refer to fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, which are a perspective view of a preferred embodiment of the present invention, a perspective exploded view of a preferred embodiment, a perspective exploded view of another angle of the preferred embodiment, a side sectional view of the preferred embodiment, a front sectional view of the preferred embodiment, and a front sectional view of a fixing frame and a telescopic frame of the preferred embodiment when they are separated, as can be clearly seen from the drawings, the fixing device of the present invention comprises a seat body 1, a fixing frame 2, and a telescopic frame 3, wherein:

the base body 1 is provided with a base 11 arranged transversely, a plugging part 111 is arranged on the surface of the base 11, the plugging part 111 is arranged on the surface of the base 11 and transversely provided with a slot 1111, a plurality of terminal slots 1112 arranged at intervals are arranged at two opposite sides of the slot 1111 of the plugging part 111 in a penetrating way, terminals 112 are arranged in the terminal slots 1112 in a penetrating way, two support arms 12 extend in the same direction at two sides of the base 11, positioning spaces 120 are respectively arranged in the two support arms 12, openings 1201 are arranged at the opposite inner sides of the two positioning spaces 120, and a clamping groove 121 is concavely arranged on the inner wall surface of each positioning space 120.

The fixing frame 2 has a frame body 21, a receiving groove 211 longitudinally penetrating is formed in the frame body 21, at least one stopping block 212 is respectively disposed at two sides of the receiving groove 211, at least one limiting block 213 is disposed at the front of the at least one stopping block 212, a plurality of fastening holes 214 are disposed at the rear side of the receiving groove 211 at intervals up and down, a sliding plate 215 is respectively disposed at the front of the left and right side walls of the frame body 21, fixing members 22 are respectively disposed at the left and right outer sides of the frame body 21, each fixing member 22 has a base 221 positioned on the left and right outer sides of the frame body 21, a spring sheet 222 is extended by folding back the bottom of the base 221, fixing grooves 2221 are respectively disposed on the opposite side walls of the spring sheet 222, a pressing portion 2222 is disposed at the tail end of the spring sheet 222, and a pressing space 220 is formed between the base 221 and the spring.

The inside of the telescopic frame 3 is formed with a sliding space 30, and the rear side of the sliding space 30 is provided with a buckle block 31 and a hook block 32 which are arranged at an interval up and down, and the left and right sides of the sliding space 30 are respectively provided with a guide rail 33, and at least one pressing part 34 is arranged above the sliding space 30, and one side of the pressing part 34 is provided with a pressing sheet 341 which extends into the sliding space 30.

When the utility model is used, the base 11 of the base body 1 can be abutted against the surface of the external circuit board 4, and one end of the plurality of terminals 112 in the base 11 is welded on the plurality of welding spots 41 on the surface of the external circuit board 4, and the telescopic frame 3 is sleeved on the fixing frame 2, so that the frame body 21 of the fixing frame 2 penetrates into the sliding space 30 of the telescopic frame 3, meanwhile, the sliding plates 215 on both sides of the frame body 21 penetrate into the guide rails 33 on both sides of the telescopic frame 3, and the buckling blocks 31 of the telescopic frame 3 are stopped above the frame body 21 until reaching the buckling holes 214 on the rear side of the accommodating groove 211, and then the board end clamp 5 can be arranged in the accommodating groove 211 of the frame body 21 and the sliding space 30 of the telescopic frame 3, and the opposite two side surfaces of the board end clamp 5 can be clamped and limited by the at least one stopping block 212 and the limiting block 213 of the frame body 21, so as to prevent the board end clamp 5 from easily separating from the accommodating groove 211 of the frame body 21 and the outside the sliding space 30 of the telescopic frame 3.

After the board end card 5 is placed in the receiving slot 211 of the frame body 21 and the sliding space 30 of the retractable frame 3, the fixing frame 2, the retractable frame 3 and the board end card 5 are installed toward the seat body 1, so that the fixing members 22 at the left and right sides of the fixing frame 2 are inserted into the positioning spaces 120 of the two support arms 12 of the seat body 1, the elastic pieces 222 of the fixing members 22 are pushed by the inner wall of the positioning spaces 120 to deform toward the base 221 of the fixing members 22, and then are continuously installed downward, the plurality of metal contacts 51 at the bottom of the board end card 5 are inserted into the slots 1111 of the inserting portion 111 and electrically contact with the plurality of terminals 112 in the base 11, at this time, the fixing slots 2221 of the two elastic pieces 222 are clamped into the slots 121 of the two support arms 12 to be positioned, and the pressing pieces 341 of the pressing portion 34 at the top of the retractable frame 3 are pressed against the top surface of the board end card 5, so that the plurality of metal contacts 51 of the board end card 5 are stably electrically contacted with the plurality of terminals 112 of the base 11, the transmission of the signal is thus performed.

When the board end card 5 is to be separated from the seat body 1, the pressing portion 2222 of the two resilient sheets 222 is pressed inward relatively, so that the two resilient sheets 222 move toward the extrusion space 220, and the fixing slots 2221 of the two resilient sheets 222 are separated from the limitation of the slots 121 of the two support arms 12, and the fixing frame 2, the expansion frame 3 and the board end card 5 can be pulled upward, so that the plurality of metal contacts 51 of the board end card 5 are separated from the plurality of terminals 112 of the base 11, thereby completing the utility model, because the two fixing members 22 are assembled or disassembled from the seat body 1 through the resilient sheets 222, the effect of stably combining or separating the board end card 5 on the seat body 1 without using any tool is achieved.

Referring to fig. 7, 8, 9 and 10, which are a perspective view, an exploded perspective view, a side sectional view and a front sectional view of another embodiment of the present invention, it is clearly seen from the drawings that when the present invention is used with a smaller plate end clip 5, the fixed frame 2 and the telescopic frame 3 are folded inward to separate the buckle block 31 and the hook block 32 of the telescopic frame 3 from the top surface of the frame body 21 and the internal buckle hole 214 for stopping and limiting, and the sliding plates 215 on both sides of the frame body 21 are slid in the guide rails 33 on both sides of the telescopic frame 3, so that the frame body 21 of the fixed frame 2 is retracted into the sliding space 30 of the telescopic frame 3, and at the same time, the buckle block 31 and the hook block 32 of the telescopic frame 3 are buckled downward into the upper and lower buckle holes 214 inside the frame body 21, and then the smaller plate end clip 5 to 21 is placed into the accommodating groove 211 of the frame body 211, at least one stop block 212 and a limit block 213 of the frame body 21 are used to clamp and limit, and when the board end card 5 with smaller size is to be combined with or separated from the seat body 1, the board end card 5 with smaller size can be stably combined with or separated from the seat body 1 only by the above-mentioned assembling steps, so that the size of the space for accommodating the board end card 5 can be adjusted by the telescopic fixing frame 2 and the telescopic frame 3, and further the board end cards 5 with different sizes and lengths can be stably combined with the seat body 1.

The utility model discloses a have following advantage:

the telescopic frame 3 can move on the fixed frame 2 in a telescopic way to adjust the space size of the containing plate end clamp 5, so that the plate end clamps 5 with different sizes and lengths can be stably combined on the seat body 1, and the convenience in use is improved.

Second, the two fixing members 22 of the fixing frame 2 are assembled or disassembled on the base 1 through the elastic sheet 222, so that the board end card 5 is stably combined or separated on the base 1 without using any tool, thereby achieving the effects of improving the assembling and disassembling speed and the convenience in assembling.

The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides a fixing device of board end card which characterized in that, includes pedestal, mount and expansion bracket, wherein:

2. The apparatus of claim 1, wherein the insertion portion has a slot on a surface of the base for inserting the predetermined board end card, and a plurality of terminal slots are formed through opposite sides of the slot for positioning the plurality of terminals.

3. The board end card retaining apparatus of claim 1, wherein the positioning space of the two arms is provided with openings at opposite inner sides.

4. The fixing device of plate end card according to claim 1, wherein the inner wall of the positioning space of the two support arms is concavely provided with a slot, the fixing member has a base part positioned on the left and right outer side surfaces of the frame body, the bottom of the base part is folded and extended with a spring plate, two opposite side wall surfaces of the spring plate are cut with fixing slots mutually clamped with the slot, the tail end of the spring plate is provided with a pressing part for pressing, and an extrusion space is formed between the base part and the spring plate.

5. The board end clip fastening device of claim 1, wherein at least one stopping block is disposed at two sides of the receiving slot of the frame body for stopping at the rear side of the predetermined board end clip, and at least one limiting block is disposed at the front of the at least one stopping block for stopping at the front side of the predetermined board end clip.

6. The apparatus as claimed in claim 1, wherein the fixing frame has sliding plates at the front of the left and right side walls of the frame body, and the telescopic frame has guide rails at the left and right sides for the sliding plates to slide.

7. The apparatus as claimed in claim 1, wherein the rear side of the receiving slot of the frame body is provided with a plurality of fastening holes spaced up and down, and the rear side of the sliding space of the retractable frame is provided with fastening blocks and hook blocks spaced up and down for positioning in the fastening holes.

8. The board end card fixing device according to claim 1, wherein at least one pressing portion for pressing against a top surface of the predetermined board end card is provided above the sliding space of the expansion bracket, and a pressing piece extending into the sliding space is provided on one side of the pressing portion.

9. The utility model provides a fixing device of board end card which characterized in that, includes mount and expansion bracket, wherein:

10. The apparatus as claimed in claim 9, wherein the fixing frame has sliding plates at the front of the left and right side walls of the frame body, and the telescopic frame has guide rails at the left and right sides for the sliding plates to slide.