CN201115131Y

CN201115131Y - Card fixing component

Info

Publication number: CN201115131Y
Application number: CNU2007201288882U
Authority: CN
Inventors: 彭盈超
Original assignee: Inventec Corp
Current assignee: Inventec Corp
Priority date: 2007-08-22
Filing date: 2007-08-22
Publication date: 2008-09-10
Anticipated expiration: 2017-08-22

Abstract

The utility model relates to a blocking and fixing component, comprising a protruding seat and a blocking column, which is used for locating a circuit board on a casing; wherein, the circuit board moves along a combination direction or a release direction to block or disassemble with the casing. The protruding seat is formed on the casing and is provided with a blocking joint and a slot. The blocking column is arranged on the circuit board and can move relative to the circuit board. The front end of the blocking column is provided with a narrow segment and a blocking segment; wherein, the radial width of the blocking segment is larger than the width of the slot. The narrow segment is used for passing through the slot when the blocking column is pressed downward, while the blocking segment is used for the blocking joint extending into the protruding seat to locate the circuit board, thus ensuring the installation and the disassembly of the circuit board to be more rapid.

Description

Fix assembly

Technical field

The utility model relates to the circuit board fixation structure of electronic installation, particularly a kind of fixing assembly that is used for fast circuit board being fixed on the casing, and it can make the operation of dismounting circuit board easier and rapid.

Background technology

Usually all have many printed circuit board (PCB)s in the electronic installation, the motherboard in the computer system for example, this class printed circuit board (PCB) must be installed in the casing of electronic installation by certain fixed form.With regard to the electronic installation of comparatively popularizing on the market at present, its printed circuit board (PCB) great majority are to utilize the mode of screw locking to be fixed on the casing.

Common screw locking mode is, offers fixing hole in advance on printed circuit board (PCB), simultaneously, also offers the screw corresponding to fixing hole on casing.Screw passes the fixing hole of printed circuit board (PCB) earlier, and the user re-uses screwdriver screw is screwed in screw corresponding on the casing respectively then.Like this, just, can utilize screw that printed circuit board (PCB) is locked on casing.The solid means of this spiral shell must utilize instrument to screw or screw out screw when user's dismounting printed circuit board (PCB), can assemble or dismantle printed circuit board (PCB).If just there is not corresponding instrument on hand, just can't the dismounting printed circuit board (PCB), very inconvenience in the use.On the other hand, because screw One's name is legion that must locking also can cause the complex steps and the time and effort consuming of dismounting printed circuit board (PCB).

For solve must collocation tool can the dismounting screw problem, occurred on the market the THUMB SCREWS (thumb screw) of screw improvement for can directly rotating with finger, to reduce on hand if the puzzlement that no instrument just can't disassemble printed circuit board.As shown in Figure 1, this is fixed on circuit board 20 for general application THUMB SCREWS 60 schematic diagram of casing 10.Have a plurality of reference columns 11 and a screw 61 on the casing 10, wherein the stage casing of each reference column 11 offers a groove 111.Circuit board 20 offers a plurality of location holes 21 corresponding to reference column 11.Each location hole 21 is the cucurbit shape and has one wide section 211 and one narrow section 212, and reference column 11 front ends pass location hole 21 by wide section 211.Like this, circuit board 20 just can slide on casing 10 by reference column 11, makes narrow section 212 groove 111 that embeds reference column 11 of location hole 21.Then,, just circuit board 20 can be fixed on the casing 10, to fix by location hole 21 and casing 10 clips as long as THUMB SCREWS 60 is passed circuit board 20 and screws in screw 61.But the user still needs to rotate THUMB SCREWS 60 and locks, and still has the problem of time and effort consuming to exist.In addition, the cost of THUMB SCREWS is also high than general screw with cost.

Summary of the invention

Main purpose of the present utility model is, a kind of fixing assembly is provided, locate again on the casing by screw mostly with the circuit board that solves electronic installation in the prior art, not only time and effort consuming also needs collocation tool to use, and though THUMB SCREWS is without collocation tool, but time and effort consuming and cost problem of higher.

To achieve these goals, the utility model provides a kind of fixing assembly, in order to locate a circuit board on a casing, wherein, circuit board with respect to housing along a bonding position or a release direction displacement, with mutual clip of casing or dismounting.Fixing assembly of the present utility model includes a protruding seat and and holds post.Protruding seat is formed on the casing, and protruding seat has the slit that a snap openings and is communicated with snap openings.Hold post and be arranged in circuit board, and can be with respect to the circuit board upper and lower displacement.Hold the post front end and have one narrow section and a backstop section, wherein narrow section radial width is less than the width of slit, and the radial width of backstop section is greater than the width of slit.Hold narrow section of post in order to holding post slit by protruding seat when being pressed down, the front end that holds post is entered in the protruding seat.The backstop section that holds post is in order to holding that the post front end enters protruding seat and stretching into the snap openings of protruding seat when being released, so that circuit board is positioned on the casing.By holding the upper and lower displacement of post, and circuit board is along the displacement of bonding position and release direction, apace the installation or removal circuit board.

The utlity model has following beneficial effect: the backstop section that holds the post front end stretches in the snap openings of protruding seat, to cooperate reference column to make circuit board can't break away from casing, and hold post and can be pressed down and promote the backstop section and withdraw from snap openings, can make the step of dismounting circuit board easier and rapid.

Below in conjunction with the drawings and specific embodiments the utility model is described in detail, but not as to qualification of the present utility model.

Description of drawings

Fig. 1 is the three-dimensional exploded view of prior art middle finger screw, circuit board and casing;

Fig. 2 is the three-dimensional exploded view of circuit board and casing in the utility model;

Fig. 3 is for holding the three-dimensional exploded view of post and circuit board in the utility model;

Fig. 4 is fixed on schematic perspective view on the casing for circuit board in the utility model;

Fig. 5 is the outer schematic perspective view of protruding seat for the backstop section that holds post in the utility model is positioned at;

Fig. 6 stretches into the schematic perspective view of snap openings for the backstop section that holds post in the utility model;

Fig. 7 holds the generalized section that post is positioned at the off-position in the utility model;

Fig. 8 is positioned at the generalized section that holds the position for holding post in the utility model;

Fig. 9 is positioned at the sectional perspective schematic diagram that holds the position for holding post in the utility model.

Wherein, Reference numeral:

The 10-casing

The 11-reference column

The 111-groove

The protruding seat of 12-

The 121-snap openings

The 122-breach

The 123-slit

The 20-circuit board

The 21-location hole

Wide section of 211-

Narrow section of 212-

The 22-perforation

30-holds post

Narrow section of 301-

302-backstop section

The 303-collar flange

31-first sleeve

32-second sleeve

The 33-elastic parts

The 60-THUMB SCREWS

The 61-screw

Embodiment

See also Fig. 2, Fig. 3 and shown in Figure 4, this is a kind of fixing assembly provided by the utility model, and it includes a protruding seat 12, and holds post 30, one first sleeve 31, one second sleeve 32 and an elastic parts 33.This fixing component application is in an electronic installation, for example personal computer, server or the like, and wherein electronic installation has a casing 10 and a circuit board 20.Fixing assembly of the present utility model is in order to provide a location mechanism, makes the circuit board 20 can be from slide relative on the casing 10, so that circuit board 20 is fixed on the casing 10, or promptly from casing 10 dismountings down.

Have a plurality of reference columns 11 on the casing 10, wherein the quantity of reference column 11 can increase and decrease according to actual state, in the utility model with four reference columns 11 as embodiment.Reference column 11 is arranged on the surface of casing 10, and the stage casing of each reference column 11 offers a groove 111.Circuit board 20 can be the motherboard of aforementioned electronic, and offers a location hole 21 and a perforation 22 to some extent on the circuit board 20.Each location hole 21 position and quantity are set corresponding to reference column 11, perforation 22 the position is set then corresponding to protruding seat 12.

See also Fig. 2, Fig. 5 and shown in Figure 6.Each location hole 21 has one wide section 211 and one narrow section 212 respectively, and wide section 211 aperture is greater than the external diameter of reference column 11 front ends, makes each reference column 11 can pass wide section 211 of each location hole 21.Narrow section 212 aperture of location hole 21 is less than the external diameter of reference column 11 front ends, but is slightly larger than the external diameter of groove 111, makes narrow section 212 edge of location hole 21 can embed the groove 111 of reference column 11.Therefore, circuit board 20 can slide at casing 10 upper edges one bonding position by reference column 11, makes the groove 111 of location hole 21 embedding reference columns 11, to fix by location hole 21 and casing 10 clips.On the contrary, circuit board 20 also can slide in casing 10 upper edges one release direction by reference column 11, makes location hole 21 withdraw from the groove 111 of reference column 11, so that circuit board 20 can be from casing 10 dismountings down.

Please continue to consult Fig. 2 and shown in Figure 5.Protruding seat 12 is formed on the casing 10, and protrudes casing 10 and face circuit board 20.Have a snap openings 121, a breach 122 and a slit 123 on the protruding seat 12, wherein, slit 123 is communicated with snap openings 121 and breach 122.Snap openings 121 is formed at the end face of protruding seat 12, and breach 122 is formed at the side of protruding seat 12.Breach 122 favours casing 10, and forms height fall with snap openings 121.Slit 123 extends to the side of protruding seat 12 by the end face of protruding seat 12, with Connection Card heal up 121 with breach 122, therefore, slit 123 also has aforesaid height fall.

Please consult Fig. 3, Fig. 4 and shown in Figure 5 again.First sleeve, 31 1 ends (bottom) are fixedly arranged on the circuit board 20, and are provided with corresponding to perforation 22.Hold post 30 and can be but be not limited to cylindrical form, it passes first sleeve 31, and being arranged in circuit board 20 by perforation 22, and the stage casing that holds post 30 has a collar flange 303.Elastic parts 33 is installed in first sleeve, 31 other ends (bottom) and holds between the collar flange 303 of post 30, and wherein, elastic parts 33 can be but is not limited to one and is sheathed on the compression spring that holds post 30 stage casings.Second sleeve 32 is fixed on first sleeve, 31 other ends (bottom), and is sheathed on and holds on the post 30, and wherein the fixed form of second sleeve 32 and first sleeve 31 can be but to be not limited to spiral shell solid.Therefore, holding post 30 just can be installed on the circuit board 20 by first sleeve 31 and second sleeve 32, and can hold between a position and the off-position in one with respect to circuit board 20 upper and lower displacements, wherein, elastic parts 33 holds post 30 in order to pushing and pressing and is positioned at the aforementioned position that holds normally.The front end that holds post 30 has one narrow section 301 and a backstop section 302, and wherein narrow section 301 radial width is less than the width of slit 123, and the radial width of backstop section 302 is greater than the width of slit 123.Narrow section 301 that holds post 30 can be from the protruding seat 12 of breach turnover of protruding seat 12 in order to hold the slit 123 that passes through protruding seat 12 when post 30 is pressed down, to make the backstop section 302 that holds post 30.The backstop section 302 that holds post 30 is being in order to holding the snap openings 122 that stretches into protruding seat 12 when post 30 is released, and blocks and be stuck mouthfuls 122 edge, and circuit board 20 can't be moved with respect to casing 10.

As Fig. 5, Fig. 6, Fig. 7, Fig. 8 and shown in Figure 9.Fig. 5 is positioned at protruding 12 outer schematic perspective view for the backstop section 302 that holds post 30 in the utility model; Fig. 6 stretches into the schematic perspective view of snap openings 121 for the backstop section 302 that holds post 30 in the utility model; Fig. 7 holds the generalized section that post 30 is positioned at the off-position in the utility model; Fig. 8 is positioned at the generalized section that holds the position for holding post 30 in the utility model; Fig. 9 is positioned at the sectional perspective schematic diagram that holds the position for holding post 30 in the utility model.

When circuit board 20 is assembled to casing 10, must earlier the location hole 21 of circuit board 20 be aimed at the reference column 11 of casings 10, and make each reference column 11 wide section 211 by each location hole 21 pass circuit board 10.Then, push and hold post 30 and be displaced downwardly to off-position (Fig. 7), make the front end that holds post 30 can be by breach 122 and slit 123 by holding position (Fig. 8).Simultaneously, circuit board 20 is promoted towards aforementioned bonding position, narrow section 212 edge of each location hole 21 just embeds the groove 111 of each reference column 11, and the backstop section 302 that holds post 30 also enters in the protruding seat 12.At last, release holds post 30 and gets back to the aforementioned position that holds, and the backstop section 302 that holds post 30 just can stretch into the snap openings 121 of protruding seat 12, and circuit board 20 can't be moved with respect to casing 10, like this, has finished that just circuit board 20 is assembled on the casing 10.

On the contrary,, at first, need push and hold post 30 and be displaced downwardly to off-position (Fig. 7), make the backstop section 302 that holds post 30 release the snap openings 121 of protruding seat 12 by holding position (Fig. 8) if user's desire with circuit board 20 from casing 10 dismounting down.Secondly, promote circuit board 20, make the front end that holds post 30 withdraw from projection 12 by slit 123 and breach 122 along aforementioned release direction.Like this, just finished the step of dismounting circuit board 20, made circuit board 20 can break away from casing 10 up.

The backstop section 302 that holds post 30 front ends in the utility model stretches in the snap openings 121 of protruding seat, to cooperate reference column 11 to make circuit board 20 can't break away from casing 10, and hold post 30 and can be pressed down and promote backstop section 302 and withdraw from snap openings 121, can make the process of dismounting circuit board 20 easier and rapid.

Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.

Claims

1. one kind fixes assembly, in order to locate a circuit board on a casing, wherein this circuit board with respect to this housing along a bonding position or a release direction displacement, with mutual clip of this casing or dismounting, it is characterized in that this fixing assembly includes:

One protruding seat is formed at this casing, and this protruding seat has the slit that a snap openings and is communicated with this snap openings;

One holds post, be arranged in this circuit board, and can be with respect to this circuit board upper and lower displacement, this holds the post front end and has one narrow section and a backstop section, wherein this radial width of narrow section is less than the width of this slit, pass through this slit to hold at this when post is pressed down, the radial width of this backstop section is greater than the width of this slit, and this backstop section stretches into this snap openings to locate this circuit board.

2. fixing assembly as claimed in claim 1 is characterized in that, also includes:

One first sleeve, an end is fixedly arranged on this circuit board, and wherein this holds post and passes this first sleeve;

One second sleeve is fixed in this first sleeve other end, and is sheathed on this and holds post, and making this hold post can hold between a position and the off-position in one at the circuit board top offset.

3. fixing assembly as claimed in claim 2 is characterized in that, this second sleeve is fixed on this first sleeve.

4. fixing assembly as claimed in claim 2, it is characterized in that, this holds post and also includes an elastic parts, and this holds the post stage casing and has a collar flange, this elastic parts is installed between this first sleeve and this collar flange, and this elastic parts holds post and is positioned at this normally and buckles and hold the position in order to push against this.

5. fixing assembly as claimed in claim 4 is characterized in that, this elastic parts is one to be sheathed on the compression spring that this holds post.

6. fixing assembly as claimed in claim 1 is characterized in that, this protruding seat has the breach of this slit of connection, and this this backstop section that holds post is by this protruding seat of this breach turnover.

7. fixing assembly as claimed in claim 6 is characterized in that this breach favours this casing, and forms height fall with this snap openings.