CN201115122Y

CN201115122Y - Stop component

Info

Publication number: CN201115122Y
Application number: CNU2007201288929U
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 discloses a detent component, which is used for locating a circuit board onto a shell body. The circuit board moves along the combination direction or the release direction relative to the shell body in order to block or disassemble with the shell body. The detent structure contains a fixing part, a movable part and a locating part. The locating part is arranged on one lateral face of the circuit board; the fixing part is arranged on the shell body, which can provide the locating part to get across along the combination direction in a unidirectional way and block the locating part on one end of the fixing part to locate the shell body for the circuit board; the movable part can lead the fixing part to be extended and deformed, and lead the locating part to get across the fixing part reversely along the release direction in order to disassemble the circuit board. Therefore, the detent component can lead the circuit board to be fixed on the shell body rapidly and steadily or to be disassembled from the shell body.

Description

Stopping element

Technical field

The utility model relates to a kind of stopping element, particularly relate to a kind of need not the sealed stopping element of bolt.

Background technology

Science and technology is constantly flourish with information now, and computer equipment has been the electronic installation of quite popularizing.Being seen on the market at present computer equipment, no matter be desktop PC, notebook or server, its inside must be equipped with a motherboard, with core component as computer system, make to be electrically connected at central processing unit (CPU), memory module, control adapter computer external hardware such as (PCI card) on the motherboard, can carry out the preset function of peripheral hardware smoothly.

The mode of general common fixed host computer plate is several conduction copper columns (boss) to be set as fixed component on the housing of computer installation, offers several through holes corresponding to the copper post on the motherboard.Motherboard is put on the copper post, and and housing between keep a suitable spacing, wore the through hole of motherboard more respectively by a plurality of bolts, and be locked on the copper post, make motherboard produce an effect of suspending by the copper post, the leg contact of avoiding the motherboard back side directly contacts with housing and causes short circuit.

Tradition is in the mode of the sealed fixed host computer plate of copper post, in the process of loading and unloading motherboard, the user must be one by one and repeat carry out the sealed operation with removal of bolt, quite time-consuming and complicated in operation, the actual use gone up and not convenient.And present electronic installation requires compact, and too much copper post quantity will occupy the too much area of motherboard, causes the wiring (layout) on the motherboard to be difficult for, and the overall volume of electronic installation also can't be microminiaturized.

Therefore, development in recent years goes out the THUMB SCREWS (thumb screw) that can be directly rotates with finger, with the align member as the fixed host computer plate, significantly reducing the usage quantity of copper post, thereby has solved the problem that is produced with the sealed fixed host computer plate of copper post.Please refer to Fig. 1, be the perspective exploded view of known technology middle finger screw, circuit board and casing.Have several reference columns 11 and a screw 61 on the casing 10, wherein section offers a groove 12 among each reference column 11.Circuit board 20 offers several location holes 21 corresponding to reference column 11.Each location hole 21 is the cucurbit shape and has one wide section 22 and one narrow section 23, and reference column 11 front ends pass location hole 21 by wide section 22.Like this, circuit board 20 just can slide on casing 10 by reference column 11, and makes narrow section 23 of location hole 21 groove 12 that embeds reference column 11.Afterwards, as long as THUMB SCREWS 60 is passed circuit board 20 and screw in the screw 61, just circuit board 20 can be fixed on the casing 10.

But, utilize the thumb screw to fix motherboard, still belong to the locking mode that screws togather, the process of loading and unloading motherboard is complicated, not only consumed time is long, and the cost of THUMB SCREWS also is higher than the price of conventional bolt, thereby causes the increase of material cost and human cost.Therefore, how this really implements the installation position with non-bolt (screwless) mode fixed host computer plate, and makes things convenient for the user to load and unload motherboard quickly and easily, is the problem that present those skilled in the relevant art need solution badly.

Summary of the invention

The purpose of this utility model is to provide a kind of stopping element, load and unload motherboard so as to improving prior art with screw-in version, cause the volume of electronic installation can't be microminiaturized, cargo handling process is too complicated and consuming time, make that material cost and human cost are too high, and be not easy to problems such as user's operation.

To achieve these goals, the utility model provides a kind of stopping element, in order to locate a circuit board on a housing, wherein this circuit board with respect to this housing along a bonding position or a release direction displacement, to be fastened with this housing or to dismantle.Stopping element comprises a fixture, a movable part and positioning piece.Fixture is fixed on the housing, and fixture has and suspends and two relative elastic arms, and a side of two elastic arms forms a pawl mouth.Movable part has two relative guide ramp, and movable part is contacted with two guide ramp activities on two elastic arms of fixture, in order to respect to the fixture displacement, and makes the distortion of two elastic arms and the width of expansion pawl mouth.Keeper is installed in a side of the corresponding movable part of circuit board, and the width of keeper is greater than the width of the pawl mouth of fixture.When keeper along with circuit board during along the bonding position displacement, the pawl mouth distortion of two elastic arms is left in the keeper pushing and pressing, and moves to the top of pawl mouth, and by the answer distortion of two elastic arms, the pawl mouth top that makes two elastic arms is against living keeper.Like this, circuit board is fixed on the housing.

Therefore, effect of the present utility model is that the circuit board of electronic installation is held by the retaining of stopping element, and can be quick and firm be installed on the housing.In other words, because the particular design of stopping element of the present utility model, so when mounting circuit boards is on housing,, circuit board firmly is installed on the housing as long as promote circuit board along bonding position.So, not only must or not dismantle a plurality of screws with the screw-in version locking, and can also with easily fast mode load and unload circuit board, and then the required human cost that expends when reducing locking, and realize simultaneously fixing circuit board in non-bolt (screwless) mode.

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 perspective exploded view of known technology middle finger screw, circuit board and casing;

Fig. 2 is the stereochemical structure exploded view of the utility model one embodiment;

Fig. 3 is the perspective view of the utility model circuit board when the installing state;

Fig. 4 is the perspective view of the utility model circuit board when bonding state;

Fig. 5 is the schematic diagram of the utility model circuit board in release condition.

Wherein, Reference numeral:

10 casings

11 reference columns

12 grooves

20 motherboards

21 location holes

22 wide sections

23 narrow sections

60 THUMB SCREWSs

61 screws

100 electronic installations

110 housings

111 columns

120 circuit boards

121 combined holes

The 121a macropore

The 121b aperture

122 holes

130 keepers

132 projections

200 stopping elements

210 housings

212 elastic arms

214 chutes

220 movable parts

222 combined holes

224 pivots

226 fins

230 trips

d ₁, d ₂, d ₃Width

Embodiment

According to stopping element provided by the utility model, be applied to electronic installation, and electronic installation comprises but be not limited to the computer installation that desktop PC, notebook, server etc. have the circuit board executable operations.The appended graphic usefulness of reference with explanation that only provides not is in order to restriction the utility model.

Please refer to Fig. 2, be the stereochemical structure exploded view of the utility model one embodiment.Stopping element 200 of the present utility model is applied on the electronic installation 100, and stopping element 200 is in order to against living movably positioning piece 130.Wherein, electronic installation 100 has a housing 110 and a circuit board 120, and keeper 130 is arranged on the side of circuit board 120 corresponding housing 110.Housing 110 is provided with at least one column 111, offer at least one combined hole 121 on the circuit board 120, wherein column 111 is the column structure that a tip size is slightly larger than cylinder sizes, and the combined hole 121 cucurbit shape structure that to be aperture 121b that a macropore 121a and an arrogant hole peripheral extend constituted.Column 111 front ends pass combined hole 121 by macropore 121a, and at this moment, circuit board 120 just can slide on casing 110 by column 111, and make the aperture 121b of combined hole 121 embed the groove on column 111 tops.So, circuit board 120 can be with respect to housing 110 along bonding position or release direction displacement, make column 111 and combined hole 121 mutually combine, and makes circuit board 120 blockings or dismantle in housing 110.

Can also be provided with a hole 122 on the circuit board 120, and keeper 130 1 ends have the projection 132 corresponding to hole 122, make projection 132 and hole 122 chimeric mutually, so that keeper 130 is fixedly arranged on the side of circuit board 120 corresponding to housing 110.

Please continue with reference to figure 2, stopping element 200 comprises a fixture 210 and a movable part 220.Fixture 210 is fixed on the housing 110, and fixture 210 have suspend and at interval two elastic arms, 212, two elastic arms, 212 normalities of the first width d1 keep the first width d ₁, and two elastic arms 212 can be through stressed and produce strain.Wherein, the first width d ₁Width d less than keeper 130 ₃In an embodiment of the present utility model, the end that suspends of two elastic arms 212 can form a pawl mouth, and the width at its median claw mouth place is less than the width d of keeper 130 ₃In another embodiment of the present utility model, can also utilize the trip 230 on the housing 110, come hook fixture 210, fixture 210 is fixed on the housing 110.

Above-mentioned fixing piece 210 can also comprise two chutes 214, is arranged at respectively on two elastic arms 212.

As shown in Figure 2, above-mentioned movable part 220 is for being movably set on the fixture 210, and movable part 220 has the second width d ₂, the second width d wherein ₂Greater than this first width d1.In an embodiment of the present utility model, movable part 220 can also comprise relative two guide ramp, 222, two guide ramp 222 and be provided with a pivot 224 in a side of corresponding chute 214 respectively.Two pivots 224 are inserted in respectively in two chutes 214, with respect to fixture 210 displacements, and make contact two elastic arms 212 of movable part 220 with 222 activities of two guide ramp with guiding movable part 220.Movable part 220 can also comprise a fin 226, and fin 226 is adjacent between two guide ramp, 222 1 ends, moves to drive movable part 220 relative positioning spares 210.

Please refer to Fig. 3, for the utility model circuit board in the perspective view of installing during state.When keeper 130 along with circuit board 120 when bonding position carries out displacement, because the width d of keeper 130 ₃The first width d greater than two elastic arms 212 ₁So 212 distortion of two elastic arms are left in keeper 130 pushing and pressing.

Please continue with reference to figure 4, be the perspective view of the utility model circuit board when the bonding state.As shown in Figure 4, keeper 130 can continue towards the bonding position displacement along with circuit board 120, up to combined hole 121 and column 111 are mutually combined.More particularly, when keeper 130 continues when bonding position moves to the pawl mouth place of two elastic arms 212, because the width d of keeper 130 ₃Greater than the width at the pawl mouth place of two elastic arms 212,, just move on the top at pawl mouth place of two elastic arms 212 so keeper 130 can pushing and pressing leave 212 distortion of two elastic arms, and moves to the top of two elastic arms 212.At this moment, by the answer of two elastic arms 212 distortion, the top (or the top at the pawl mouth place of two elastic arms 212) that makes two elastic arms 212 is against living keeper 130, and spacing keeper 130 simultaneously.Circuit board 120 is fixed on the housing 110.

Please continue with reference to figure 5, be the schematic diagram of the utility model circuit board in release condition.As shown in Figure 5, circuit board 120 is dismantled on housing 110, then be made movable part 220 be subjected to external force and move towards release direction.At this moment, because the second width d of movable part 220 ₂Greater than this first width d ₁, movable part 220 can 212 distortion of pushing and pressing two elastic arms, strutting two elastic arms 212, and make the first width d ₁Be deformed into one the 3rd width.As the width d of the 3rd width greater than keeper 130 ₃The time, 130 of keepers can and break away from the pawl mouth top of two elastic arms 212 along the release direction displacement.Like this, then can on housing 110, dismantle circuit board 120.In an embodiment of the present utility model, can make the fin 226 of movable part 220 be subjected to external force, move towards release direction to drive movable part 220.

Stopping element disclosed in the utility model provides a backstop fixation, so that being installed on the housing that circuit board can be firm need not really reach with non-bolt mode fixing circuit board by many groups bolt circuit board.Have again,, when mounting circuit boards is on housing,, circuit board firmly is installed on the housing as long as promote circuit board along bonding position by the particular design of stopping element of the present utility model.So, not only must or not dismantle a plurality of screws with screw-in version locking, and can also with easily fast mode load and unload circuit board, significantly improved operational convenience, and then the required human cost that expends when reducing locking.

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

Claims

1. a stopping element is located a circuit board on a housing, and wherein this circuit board, is fastened with this housing or dismantles along a bonding position or a release direction displacement with respect to this housing, it is characterized in that this stopping element comprises:

One fixture is arranged on this housing, and this fixture has and suspends and two relative elastic arms, and a side of these two elastic arms forms a pawl mouth;

One movable part, this movable part have two relative guide ramp, and this movable part contacts two deformabilitys of this fixture with these two guide ramp activities and expands the elastic arm of the width of this pawl mouth; And

Positioning piece, be installed in this circuit board to a side that should movable part, the width of this keeper is greater than the width of this pawl mouth of this fixture, should push against this pawl mouth distortion of this two elastic arm along the keeper of this bonding position displacement, and being moved to the top of this pawl mouth, this pawl mouth is fixed this circuit board on this housing against living this keeper and spacing this keeper.

2. stopping element according to claim 1, it is characterized in that, this fixture has the chute of two these movable parts of guiding with respect to this fixture displacement, be arranged at this two elastic arms respectively, and these two guide ramp are being provided with a pivot to a side that should chute respectively, and respectively this pivot is inserted in respectively in these two chutes.

3. stopping element according to claim 1 is characterized in that, these two elastic arms are one first width at interval, and these two elastic arm normalities are kept this first width.

4. stopping element according to claim 3 is characterized in that, has one second width between these two guide ramp, and this first width is less than this second width.

5. stopping element according to claim 4 is characterized in that, this two elastic arms distortion that two guide ramp of this of this movable part push against this fixture struts the 3rd width that by this first width deformation is.

6. stopping element according to claim 5 is characterized in that, the 3rd width is greater than the width of this keeper that discharges on this electronic installation certainly.

7. stopping element according to claim 1 is characterized in that, this movable part also comprises one and is adjacent between these two guide ramp one ends, drives the fin of this movable part along this release direction displacement.

8. stopping element according to claim 1 is characterized in that, this housing also is provided with this fixture of at least one hook, makes this fixture be fixed in trip on this housing.

9. stopping element according to claim 1 is characterized in that this keeper also comprises a protuberance, and this circuit board one side is provided with corresponding to this protuberance and chimeric mutually with this protuberance, so that this keeper is fixedly arranged on the hole on this circuit board.

10. stopping element according to claim 1 is characterized in that this circuit board comprises at least one combined hole, and has at least one and this combined hole on this housing and mutually combine, so that this circuit-board card is formed on the column of this housing.