CN2764110Y

CN2764110Y - Circuit board holding device

Info

Publication number: CN2764110Y
Application number: CN 200420118683
Authority: CN
Inventors: 张显德
Original assignee: Inventec Corp
Current assignee: Inventec Corp
Priority date: 2004-12-30
Filing date: 2004-12-30
Publication date: 2006-03-08
Anticipated expiration: 2014-12-30

Abstract

A circuit board clamping device is applied to at least two circuit boards which are stacked at intervals, the two circuit boards are fixed at intervals by a plurality of spacing columns, the circuit board clamping device comprises a fixing piece, a pressing piece and a pressing piece, the fixing piece is vertically arranged on one circuit board and is correspondingly adjacent to the spacing columns, the pressing piece presses the spacing columns and can be arranged on the fixing piece, and the pressing piece is arranged on the pressing piece and is combined with the pressing piece; consequently the utility model discloses a circuit board clamping device can guarantee that two at least circuit boards pile up each other firmly and combine really, because mounting and pressfitting have adopted insulating material, can prevent that circuit board or its part from causing the short circuit because of the contact of the fixed subassembly in interval, has easily equipment, convenient characteristics of dismantling simultaneously.

Description

The circuit board clamping device

Technical field

The utility model is about a kind of clamping device, particularly about a kind of circuit board clamping device that is used at least two circuit boards of clamping

Background technology

For improving electronic installation (for example computer) treatment efficiency, the mainboard of electronic installation is set up many functional circuits through regular meeting, and these functional circuits may connect up with this mainboard (Layout) jointly, perhaps connect up on another piece independent circuits plate.For increasing treatment effeciency with another piece independent circuits plate, generally be that a plurality of spacers are set on mainboard, carry, fix this circuit board jointly by a plurality of spacers, this circuit board is stacked on this mainboard by spacer.

Yet, generally be easy to dismounting and cost-effective purpose in order to reach, often use the spacer of plastic material, make the undercapacity of spacer the circuit board that adds is stacked on the mainboard firmly.If the spacer of using metal material instead is as the fixed interval assembly, then, the spacer of metal material causes short circuit, the therefore general spacer that can not adopt metal material because of being easy to contact with the part of arranged in high density on circuit board and the mainboard.

Moreover, in the circuit board disassembly process of arranged in high density part, if only use spacer as the fixed interval assembly, be not easy to the dismounting except the volume of this spacer is very for a short time, under the confined space, finger is easy to touch the part on the circuit board, and then causes the damage of part because of electrostatic phenomenon.

Simultaneously, can be also very limited in the mainboard of arranged in high density part for the space that spacer is set, the bigger spacer of diameter can't be set usually, have only the less spacer of the diameter of use.Therefore, only use spacer as the fixed interval assembly, and can't provide firm, high-intensity fixing, the position is analysed to be easy to generate at the circuit on upper strata and is rocked.

Therefore, how the clamping device of at least two circuit boards of a kind of clamping is provided, make storehouse and the combination really mutually firmly of two circuit boards, prevent that circuit board or its part from causing short circuit because of the contact of fixed interval assembly, and comparatively easy dismounting design is provided, be the problem that needs to be resolved hurrily at present.

The utility model content

In order to solve the shortcoming of above-mentioned prior art, main purpose of the present utility model is to provide a kind of circuit board clamping device, make at least two circuit boards can be firmly mutually storehouse with combine really.

Another purpose of the present utility model is to provide a kind of circuit board clamping device, prevents that circuit board or its part from causing short circuit because of the contact of fixed interval assembly.

A purpose more of the present utility model is to provide a kind of circuit board clamping device of assembling, dismantling of being easy to.

For reaching above-mentioned and other purpose, the utility model provides a kind of circuit board clamping device.This circuit board clamping device is applied in two circuit boards of space storehouse at least, and two circuit boards are to use a plurality of spacers interval, fixing, this circuit board clamping device comprises: fixture, upright be located on the one circuit board and correspondence is adjacent to this spacer, this fixture top has first joint portion; Rolled-up stock is suppressed this spacer and also can be arranged on this fixture, and has a perforation; And forcing piece, being arranged on this rolled-up stock, its bottom has second joint portion that can pass this perforation, mutually combine with this first joint portion.Borrow of the compacting of this rolled-up stock, can make two circuit boards be able to firmly mutual storehouse and combine really this spacer

Above-mentioned this first joint portion and this second joint portion are respectively first screw thread and second screw threads that can cooperatively interact.Preferable selection is that this first screw thread is an internal thread, and second screw thread is an external screw thread.

This fixture is a cylinder, and first binding site is in its top central authorities.This fixture preferably is made up of a sheathed nut in the insulation body.And these fixture both sides have the tangent plane that is parallel to each other, and gripping can be provided when this fixture is installed.

This rolled-up stock has a pressing part that extends laterally, and can borrow this pressing part to suppress this spacer.This pressing part bottom surface preferably has at least one groove, can be for this spacer of location socket.

A sheathed clasp between second joint portion of this forcing piece and this rolled-up stock bottom surface prevents that this forcing piece and this rolled-up stock are separated from each other, and this forcing piece has the section of dwindling for sheathed this clasp.In addition, this forcing piece has an operating portion that is positioned on the rolled-up stock, and this operating portion outer surface has for example matsurface of patterned structure.This forcing piece is a tap bolt preferably, and should by sheathed this collar.

Moreover, this fixture and this rolled-up stock are insulator, fixture vicinity by this insulation is arranged on spacer one side, and utilizes the pressing part covering of this insulation and the top of suppressing this spacer, can prevent that circuit board or its part from causing short circuit because of the contact of fixed interval assembly.

So circuit board clamping device of the present utility model, can guarantee the firmly mutual storehouse of at least two circuit boards and combine really, because fixture and rolled-up stock have adopted insulating material, can prevent circuit board or its part because of the contact of fixed interval assembly causes short circuit, have simultaneously be easy to assemble, characteristics for convenience detach.

Description of drawings

Fig. 1 is that the major part of the utility model circuit board clamping device is separated schematic diagram;

Fig. 2 is the partial exploded view of the utility model circuit board clamping device;

Fig. 3 is the application examples schematic diagram of the utility model circuit board clamping device; And

Fig. 4 is the Another Application illustration intention of the utility model circuit board clamping device.

Embodiment

Following examples further specify technological means of the present utility model, are not to be used to limit category of the present utility model.

See also Fig. 1 and Fig. 2, circuit board clamping device 1 of the present utility model comprises rolled-up stock 11, fixture 13 and forcing piece 15.In the present embodiment, this rolled-up stock 10 and fixture 11 all for example are the insulators of plastic material, and this forcing piece then for example is the bolt of metal material, preferably a tap bolt.

This rolled-up stock 11 has for the perforation 115 that wears forcing piece 15, and its top is provided with a pressing part that extends laterally 111, and these pressing part 111 bottom surfaces have at least one groove 113.

The top central authorities of this fixture 13 have one first joint portion 131, and these fixture 13 both sides have the tangent plane 133 that is parallel to each other, and gripping is provided when this fixture 13 is installed.Be so that first joint portion 131 of this internal thread to be described in the present embodiment, on actual fabrication, this fixture 13 can by one for example in the insulation body of plastic material the nut of a sheathed metal material form, first joint portion 131 that preferable bond strength can be provided whereby and prevent from for example to adopt plastic material (as collapsing tooth) occur damaging because of frequent operation.

This forcing piece 15 is arranged on this rolled-up stock 11, its bottom has second joint portion 151 that can pass this perforation 115 and mutually combine with this first joint portion 131, the top then has an operating portion 153, then has the section of dwindling 155 between this operating portion 153 and this second joint portion 151.In the present embodiment, this second joint portion 151 for example is an external screw thread, the outer round surface of this operating portion 153 then has for example matsurface of patterned structure, and the height of this section of dwindling 155 is to add that with rough this second joint portion 151 that is equal to both total heights of this perforation 115 are good.

In addition, after the perforation 115 of this rolled-up stock 11 is run through in second joint portion 151 of this forcing piece 15, be by one for example the clasp 17 of C type clasp be set in this section of dwindling 155.Because the internal diameter of this clasp 17 approximates the external diameter of this section of dwindling 155, and therefore the external diameter of this clasp 17 can be used for preventing that also greater than this perforation 115 this forcing piece 15 is separated from each other with this rolled-up stock 11; And the operating range of this forcing piece 15 can be limited in the upper and lower distance that the section of dwindling 155 is arranged in this perforation 115, its operating range only approximates the height of this second joint portion 151.

Though above-mentioned first joint portion 131 is to be example with internal thread and external screw thread respectively with this second joint portion 151, will be appreciated that, this first joint portion 131 is the masters that act as that mutually combine to provide with this second joint portion 151, even if first joint portion 131 is made as internal thread and this second joint portion 151 is made as external screw thread, also can provide the identical lock combination of revolving.Therefore, this first joint portion 131 and this second joint portion 151 be except can for example being first screw thread and second screw thread that matches, and everyly provides the design of combination all should be covered by the utility model.

Fig. 3 is the application examples schematic diagram of the utility model circuit board clamping device.As shown in the figure, circuit board clamping device 1 of the present utility model can be applicable in the first circuit board 2 and second circuit board 3 of space storehouse, and be between first circuit board 2 and the second circuit board 3 with a plurality of spacers 4 intervals, fixing, wherein this first circuit board 2 for example is a mainboard, and this second circuit board 3 for example is the functional circuit plate that improves this main board function.This spacer 4 is that the top has screw 41, the bottom has the structure of screw rod 43, and generally has multiple height specification, and some parts are provided with height on for example visual first circuit board 2, selects to use the suitably spacer 4 of height specification.A plurality of spacers 4 are arranged on corner or other appropriate location between first circuit board 2 and the second circuit board 3, and are arranged on the second circuit board 3 on upper strata, so as to common carrying and fix this first circuit board 2 and this second circuit board 3.Installing for example is the perforation of earlier a spacer 4 being preset at first circuit board 2 according to its double-screw bolt 43 lockings (nut that establish an in addition the collocation bottom surface or metallic threaded sleeve of planting in advance), behind stacked thereon again this second circuit board 3, utilize the spacer 4 of a height specification minimum to serve as bolt, secure to the screw 41 of lower floor's spacer according to its double-screw bolt 43 by perforation default on this second circuit board 4, and then finish installation.Because the structural design and the mounting means of spacer 4 are prior art, are not feature of the present utility model, therefore no longer given unnecessary details.

Circuit board clamping device 1 of the present utility model is applied in the first circuit board 2 and second circuit board 3 of space storehouse, is meant the installation locking of finishing above-mentioned spacer 4.Be (can borrow bolt locking or welding to fix) these fixture 13 upright being located on this first circuit board 2 earlier in the use, correspondence is adjacent to a plurality of spacers 4 of the same side, utilize this rolled-up stock 11 to be socketed in corresponding intervals post 4 again according to its groove 113, and these rolled-up stock 11 correspondences are arranged on this fixture 13, operating portion 153 by this forcing piece 15 of operation rotation, make its second joint portion 151 revolve fully and be locked in second joint portion 131 of this fixture 13, and then finish and combine closely and compacting this spacer 4 respectively firmly.

Because this rolled-up stock 11 is the design of insulator with this fixture 13, and covers on each for example copper spacer 4, can prevent that therefore first circuit board 2, second circuit board 3 or its part from causing short circuit because of the fixed interval assembly contact of for example spacer 4.Therefore by the utilization of the utility model circuit board clamping device 1, can make two circuit boards be able to firmly mutual storehouse and combine really, prevent that two circuit boards or its part from causing short circuit because of the fixed interval assembly contact of for example spacer 4; And only need simply revolve lock action and can finish and install and fix, thereby have the characteristics of operating installations, dismantling be convenient to.

Fig. 4 is the Another Application illustration intention of the utility model circuit board clamping device.As shown in the figure, should use-case and the difference of above-mentioned application examples be to increase other one deck tertiary circuit plate 5, other installs fully identical with above-mentioned application examples about the setting of spacer 4 and the application of the utility model circuit board clamping device 1.Application examples just shown in Figure 4 illustrates that this fixture 13 can be designed to multiple height specification as required, can satisfy the multilayer circuit board application of storehouse at interval.

Because circuit board clamping device of the present utility model, be to borrow of the compacting of this rolled-up stock to this spacer, can make at least two circuit boards can be firmly mutually storehouse with combine really; Again because this rolled-up stock and this fixture are the design of insulator, and cover on each for example copper spacer, can prevent that therefore first circuit board 2, second circuit board or its part from causing short circuit because of the fixed interval assembly of for example spacer contacts.Therefore,, can make two circuit boards be able to firmly mutually storehouse and combine really, and prevent that two circuit boards or its part from causing short circuit because of the fixed interval assembly of for example spacer contacts by the utilization of the utility model circuit board clamping device; And only need simply revolve lock action and can finish and install and fix, therefore have the characteristics of operating installations, dismantling be convenient to.The utility model has overcome many shortcomings on the prior art, has industrial utilization.

Claims

1. A circuit board clamping device, which is used in at least two circuit boards stacked at intervals, and the two circuit boards are spaced and fixed by a plurality of spacer columns, it is characterized in that the circuit board clamping device includes :

The fixing piece is erected on one of the circuit boards and correspondingly adjacent to the spacer column, and the top end of the fixing piece has a first joint portion;

a pressing part, which presses the spacing column and can be arranged on the fixing part, and has a through hole; and

The pressing part is arranged on the pressing part, and its bottom end has a second combining part that can pass through the through hole and combine with the first combining part.

2 . The circuit board clamping device according to claim 1 , wherein the first coupling portion and the second coupling portion are respectively a first screw thread and a second screw thread that can cooperate with each other. 3 .

3. The circuit board clamping device as claimed in claim 2, wherein the first thread is an internal thread, and the second thread is an external thread.

4. The circuit board clamping device as claimed in claim 1, wherein the fixing member is a cylinder, and the first coupling portion is located at the center of the top end.

5. The circuit board clamping device as claimed in claim 4, wherein two sides of the fixing member have cut surfaces parallel to each other.

6 . The circuit board clamping device as claimed in claim 1 , wherein the pressing part has a pressing part extending laterally, and the pressing part can press the spacer column. 7 .

7 . The circuit board clamping device according to claim 6 , wherein the bottom surface of the pressing part has at least one groove for socketing the spacer column. 8 .

8. The circuit board clamping device according to claim 1, wherein a buckle is set between the second joint portion of the pressing member and the bottom surface of the pressing member to prevent the pressing member from contacting the pressing member. separated from each other.

9 . The circuit board clamping device as claimed in claim 8 , wherein the pressing member has a narrowed section for covering the buckle. 10 .

10 . The circuit board clamping device according to claim 1 , wherein the pressing member has an operating portion opposite to the pressing member. 11 .

11. The circuit board clamping device according to claim 10, wherein the outer surface of the operation part has a rough surface.

12. The circuit board holding device according to claim 10, wherein the rough surface is an embossed structure.

13. The circuit board clamping device as claimed in claim 1, wherein the pressing member is a head bolt.

14. The circuit board clamping device as claimed in claim 1, wherein both the fixing part and the pressing part are insulators.

15. The circuit board clamping device as claimed in claim 1, wherein the fixing member is composed of a nut sleeved in an insulating tube.