CN218336653U - Flexible limiting and fixing device for universal shell of electronic equipment - Google Patents

Abstract

The utility model discloses a nimble spacing fixing device for general shell of electronic equipment, including the shell body, the shell body includes the skeleton of two relative settings and the end plate of two relative settings, two end plates and two skeletons enclose the synthetic space that is used for installing PCBA, all be provided with on two skeletons with PCBA adaptation clamp the subassembly, so that PCBA only can follow the length direction removal of skeleton, at least one of them of two skeletons is provided with at least one can support in PCBA one side locating part, two locating part cooperation chucking PCBA on locating part and end plate cooperation or the same skeleton, remove along skeleton length direction with restriction PCBA. When this application installation PCBA, PCBA can be at the inside length direction horizontal adjustment along the skeleton of shell body, and two locating parts on the same skeleton are located PCBA's both sides respectively in order to realize fixed to PCBA, perhaps a locating part and end plate cooperation are fixed PCBA, and fixed PCBA is more convenient, and only need PCBA's width be fit for the width size of shell body can, improve the utility model discloses an suitability.

Description

Flexible limiting and fixing device for universal shell of electronic equipment

Technical Field

The utility model relates to an equipment fixing part technical field especially relates to a nimble spacing fixing device for general shell of electronic equipment.

Background

The shell for the electronic equipment is mostly a universal prefabricated standard part, the part forming the shell comprises framework sectional materials which are respectively positioned on the left side and the right side, end plates and an upper base plate and a lower base plate which are positioned at the front end and the rear end, and the space enclosing the shell is used for installing PCBA (PCBA is short for English Printed Circuit Board Assembly), namely the PCB blank plate is arranged on the SMT, or the whole process of DIP plug-in components, namely PCBA).

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to avoid prior art's weak point, provide a nimble spacing fixing device for general shell of electronic equipment to effectively solve the weak point that exists among the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a nimble spacing fixing device for general shell of electronic equipment, includes the shell body, the shell body includes the skeleton of two relative settings and the end plate of two relative settings, two end plates and two skeletons enclose the synthetic space that is used for installing PCBA, all be provided with on two skeletons with the PCBA adaptation clamp the subassembly, so that PCBA can only follow the length direction removal of skeleton, at least one of them of two skeletons is provided with at least one can support in the locating part of PCBA one side, two locating part cooperation chucking PCBA on locating part and the end plate cooperation or the same skeleton, remove along skeleton length direction with the restriction PCBA.

Further, the locating part includes the swing arm, and the one end of swing arm is provided with the axis body, be provided with on the skeleton with the spout of axis body adaptation to make the locating part can slide on the skeleton.

Further, be provided with fulcrum portion on the spout, be provided with bearing structure between the other end of swing arm and the skeleton to make the chucking between swing arm and the fulcrum portion and between axis body and the spout.

Furthermore, a limit groove matched with the support structure is arranged on the framework.

Furthermore, be provided with the anti-skidding line that is used for increasing frictional force between it and the spout on the axis body.

Furthermore, at least one side is provided with the breach that is used for with the PCBA block on the swing arm.

Further, the swing arm includes first linking arm, the one end of first linking arm is provided with the second linking arm, the second linking arm with first linking arm is the obtuse angle setting, the axis body set up in on the first linking arm.

Further, the spout runs through the both ends of skeleton and sets up in the both ends opening of skeleton, and the end plate passes through the end connection of retaining member and spout.

Furthermore, the clamping components are clamping grooves which penetrate through two ends of the framework.

Furthermore, a plurality of clamping grooves are formed in the framework.

The above technical scheme of the utility model following beneficial effect has: the utility model discloses during installation PCBA, PCBA can be at the inside length direction horizontal adjustment along the skeleton of shell body, and two locating parts on the same skeleton are located PCBA's both sides respectively in order to realize fixed to PCBA, perhaps a locating part and end plate cooperation are fixed PCBA, and fixed PCBA is more convenient, and only PCBA's width be fit for the shell body the width size can, improve the utility model discloses an adaptability.

Drawings

Fig. 1 is a schematic structural diagram of a first embodiment of the present invention;

fig. 2 is a schematic structural view of the embodiment of the present invention with the front end plate and the top plate removed;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

fig. 5 is a schematic structural view of a swing arm according to an embodiment of the present invention;

fig. 6 is a schematic structural view of a second swing arm according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a third embodiment of the present invention with an end plate and a top plate at the front end removed;

FIG. 8 is an enlarged view of a portion of FIG. 7 at C;

fig. 9 is a schematic structural view of a four swing arm of the present invention.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are provided to illustrate the invention but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention, and the specific meaning of the above terms in the present invention can be understood in a specific manner by those skilled in the art.

As shown in fig. 1-9, the flexible limiting fixing device for a universal case of an electronic device in this embodiment includes a case body, specifically, the inside of the case body is used for installing a PCBA, specifically, the case body includes two oppositely disposed skeletons 1 and two oppositely disposed end plates 2, the two skeletons 1 are respectively located at the left and right sides, the two end plates 2 are respectively located at the front and rear ends, and further includes two oppositely disposed top plates 3 and bottom plates 4, the two skeletons 1, the two end plates 2, the top plates 3, and the bottom plates 4 enclose a closed space, and the space is used for installing the PCBA.

In this embodiment, two skeletons 1 and two end plates 2 all vertically set up, and two skeletons 1 and two end plates 2 enclose into a rectangle, all are provided with on two skeletons 1 and clamp the subassembly, clamp the both sides looks block adaptation of subassembly and PCBA, make PCBA only can follow the length direction removal of skeleton 1, can not remove along other directions, promptly, to the PCBA of installation, the utility model discloses allow the not adaptation of PCBA back and forth size and shell body, the size of controlling will with shell body adaptation, so that PCBA's the left and right sides can block respectively on the subassembly that clamps of both sides skeleton 1, to two skeletons 1, be provided with at least one locating part on at least one of them skeleton 1, the locating part can support one side at PCBA, so, to every skeleton 1, two locating parts on it can mutually support this side of PCBA and press from both sides tightly, also can be a locating part on this skeleton 1 and support one side at PCBA tightly on the end plate 2 that makes PCBA's opposite side tightly, also can realize fixing to PCBA.

In this embodiment, the left and right sides of getting PCBA also is the part between two skeletons 1 for length, and the line direction of getting PCBA's front and back both sides also between the both ends lid is the width the utility model discloses under the effect of locating part, no longer have hard requirement to PCBA's width, the firm has more product design space.

Specifically, the locating part includes a swing arm, and the top of swing arm is provided with axis body 5, and when the swing arm was vertical state, axis body 5 was the horizontality, is provided with spout 6 on skeleton 1, 6 and 5 mutual adaptations of axis body of spout, and 6 slides in spout can be followed to axis body 5, and then conveniently adjusts the position of locating part on skeleton 1.

In this embodiment, be provided with side opening 7 on the spout 6, this side opening 7 is towards the inside of shell body, and side opening 7's opening radian is less than 90 degrees, prevents that axis body 5 from deviating from in spout 6, and the both ends of spout 6 are the opening setting, and axis body 5 can penetrate in spout 6 at the both ends of spout 6, and the swing arm extends the inside of shell body by the side opening 7 of spout 6 to support in one side at PCBA, realize fixing PCBA.

More specifically, the fixed mode of swing arm can be through setting up fulcrum portion 8 and realizing on spout 6, fulcrum portion 8 sets up in the side opening 7 department of spout 6, the swing arm is provided with bearing structure with the other end that is provided with the 5 relative of axis body, this bearing structure can tightly support on 1 inside wall of skeleton, and then pull the swing arm, make swing arm and fulcrum portion 8 produce the effort, under the reaction force effect, make and produce the effort equally between axis body 5 and the spout 6, under the effect of lever, the static friction force between axis body 5 and the spout 6 is great, and then can restrict axis body 5 axial slip in spout 6, the realization is to PCBA's firm, and is concrete, bearing structure can be the screw, set up fixed orifices 9 on the opposite end of the one end relative of swing arm and setting axis body 5, the screw passes fixed orifices 9 and pushes up tightly on the inside wall of skeleton 1, this end with the swing arm promotes to the inside direction of shell body, realize the chucking of axis body 5 and spout 6.

In another embodiment, as shown in fig. 6, can set up breach 10 on the swing arm, breach 10 on the swing arm can with PCBA's side block, improve the bonding strength between swing arm and the PCBA, increase the firm effect of swing arm to PCBA, prevent to appear not hard up.

In another embodiment, as shown in fig. 7 and 8, a limiting groove 11 capable of adapting to the supporting structure may be further disposed on the frame 1, and when the supporting structure is a screw, the screw is screwed into the limiting groove 11 when the screw is screwed, so as to increase a limiting force on the screw, prevent a slip phenomenon between the screw and the frame 1, further improve the stability of the swing arm, and increase a stabilizing effect on the PCBA.

In another embodiment, as shown in fig. 9, the shaft body 5 may be provided with anti-slip patterns to increase the friction between the shaft body 5 and the sliding groove 6, after a lever acting force is generated between the shaft body 5 and the sliding groove 6, the maximum static friction between the shaft body 5 and the sliding groove 6 is increased, the accidental sliding of the shaft body 5 in the sliding groove 6 is prevented, the anti-slip patterns may be provided by circumferentially providing a plurality of grooves 12 on the shaft body 5, on one hand, the axial sliding of the shaft body 5 in the sliding groove 6 is not affected, and the bonding strength between the shaft body 5 and the sliding groove 6 when the swing arm is pulled can be increased.

More specifically, the swing arm includes first linking arm 13 and second linking arm 14, the one end of first linking arm 13 and the one end of second linking arm 14 are connected, the axis body 5 sets up in first linking arm 13's end, fixed orifices 9 sets up near the end of second linking arm 14, and contained angle has between first linking arm 13 and the second linking arm 14, this contained angle is the obtuse angle, and the contained angle is most advanced inside towards the shell body, under this kind of structure, with rear in 5 adaptations of axis body to spout 6, second linking arm 14 is close to the inside of shell body more, it is more convenient to the interior adaptation screw of fixed orifices 9, it is more convenient to assemble, in the embodiment, when need set up breach 10, breach 10 can set up on first linking arm 13, also can set up on second linking arm 14, also can set up the junction at first linking arm 13 and second linking arm 14.

Specifically, 6 spouts can run through the both ends of skeleton 1, and then make 6 openings of spouts at both ends form the hole that can install the screw, conveniently connect end plate 2 with skeleton 1 through the screw, and it is more convenient to use.

More specifically, the clamping component can be a clamping groove 15 arranged on the inner wall of the framework 1, the left side and the right side of the PCBA are respectively clamped in the clamping groove 15, the clamping groove 15 is horizontally arranged on the inner side wall of the framework 1 along the length direction of the framework 1, the PCBA can slide along the length direction of the framework 1 inside the shell body, and the installation is more convenient, in the embodiment, the clamping grooves 15 can be arranged in a plurality of numbers, the heights of the clamping grooves 15 on the framework 1 are different, so that the PCBA can be installed at different heights, the applicability of the utility model is improved, when the clamping grooves 15 are arranged in a plurality of numbers, when the PCBA is arranged at a higher position, the shaft body 5 and the chute 6 at a higher position are matched, the tail end of the shaft body is approximately downward, the contact positions of the swing arm A and the swing arm are closer to the shaft body 5, the tail end of the second connecting arm 14 is fixed on the framework 1 through screws, the acting force of the PCBA enables the swing arm to have a tendency that the screws swing arm swing with the center, and further enables the swing arm to have a tendency that the axes of generating included angles, the maximum friction force between the shaft body 5 and the shaft body 6 is increased, the stability between the swing arm 5 and the swing arm is combined with the lower point that the swing arm, the swing arm is more easily pushed to be loosened, the shell, the tail end of the swing arm, and the swing arm is limited, and the shell, and the swing arm is more easily, and the shell is more easily pushed in the shell, and the tail end of the shell is more easily pushed, and the shell is more easily.

More specifically, to roof 3 and bottom plate 4's fixed, all set up joint groove 16 at the top of skeleton 1 and the bottom of skeleton 1, the both sides of roof 3 adaptation to the top joint inslot 16 of both sides skeleton 1 respectively, the both sides of bottom plate 4 adaptation to the bottom joint inslot 16 of both sides skeleton 1 respectively, be connected end plate 2 with the both ends of spout 6 through the screw, all support on the inside wall of end plate 2 the front and back end of bottom plate 4 and the front and back end of roof 3, overall structure is more stable, and skeleton 1's outside bottom can set up spike 17, in order to improve the utility model discloses a stability can set up the reducing hole of joining in marriage 18 that is used for reducing the counter weight on spike 17, does benefit to and saves raw and other materials.

The utility model discloses a use method does: at first preliminary assembly the utility model discloses, earlier with bottom plate 4 block respectively to the bottom joint inslot 16 of controlling two skeletons 1, install the end plate 2 of rear end through the screw, the screw passes end plate 2 and revolves soon to spout 6 in, more possesses PCBA's size, the installation method that can take has: the PCBA can be directly slipped into the clamping groove 15 of the two sides and continuously pushed until the rear end of the PCBA abuts against the end plate 2 at the rear end, then the limiting part can be installed on one framework 1 or the limiting parts can be installed on the two frameworks 1, all the stabilization of the PCBA can be completed, during specific operation, the shaft body 5 is slipped into the sliding groove 6 at the front port of the sliding groove 6, then the shaft body is continuously pushed until one side of the swinging arm abuts against the front end of the PCBA, then the screw is screwed into the fixing hole 9, and the screw is continuously screwed to support the end of the swinging arm, the screw can be screwed into the limiting groove 11 at the same time, the combination strength between the screw and the framework 1 is high, under the action of a lever, acting force is generated between the swinging arm and the fulcrum part 8, further, the acting force vertical to the direction of the shaft body 5 and the sliding groove 6 is generated between the shaft body 5 and the sliding groove 6, so that large friction force is generated between the shaft body 5 and the sliding groove 6, further fixation of the PCBA is realized, during installation, the PCBA can not abut against the end plate 2, before the PCBA slides into the limiting parts 15, then the limiting parts and the sliding grooves 10 can be adjusted again, and the PCBA can be adjusted by adjusting the two retaining parts, the PCBA, the retaining parts and the PCBA can be flexibly adjusted by the retaining parts and the retaining parts.

The embodiments of this invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed, many modifications and variations will be apparent to those skilled in the art, and the embodiments are chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims (10)

1. The utility model provides a spacing fixing device of flexibility for general shell of electronic equipment which characterized in that: including the shell body, the shell body includes the skeleton of two relative settings and the end plate of two relative settings, and two end plates and two skeletons enclose the synthetic space that is used for installing PCBA, all be provided with on two skeletons with the PCBA adaptation clamp the subassembly to make PCBA only can follow the length direction of skeleton and remove, at least one of them of two skeletons is provided with at least one and can supports in the locating part of PCBA one side, two locating parts cooperation chucking PCBA on locating part and the end plate cooperation or the same skeleton, remove along skeleton length direction with the restriction PCBA.

2. The flexible positive stop fixture of claim 1, wherein: the locating part includes the swing arm, and the one end of swing arm is provided with the axis body, be provided with on the skeleton with the spout of axis body adaptation to make the locating part can slide on the skeleton.

3. The flexible positive stop fixture of claim 2, wherein: the swing arm is characterized in that a fulcrum part is arranged on the sliding groove, and a supporting structure is arranged between the other end of the swing arm and the framework, so that the swing arm and the fulcrum part and the shaft body and the sliding groove are clamped.

4. The flexible positive stop fixture of claim 3, wherein: and the framework is provided with a limit groove matched with the support structure.

5. The flexible positive stop fixture of claim 3, wherein: the shaft body is provided with anti-skidding lines for increasing friction between the shaft body and the sliding groove.

6. The flexible positive stop fixture of claim 3, wherein: at least one side is provided with the breach that is used for with the PCBA block on the swing arm.

7. The flexible positive stop fixture of claim 2, wherein: the swing arm includes first linking arm, the one end of first linking arm is provided with the second linking arm, the second linking arm with first linking arm is the obtuse angle setting, the axis body set up in on the first linking arm.

8. The flexible positive stop fixture of claim 2, wherein: the spout runs through the both ends of skeleton and sets up in the both ends opening of skeleton, and the end plate passes through the end connection of retaining member and spout.

9. The flexible positive stop fixture of claim 8, wherein: the clamping components are clamping grooves which penetrate through two ends of the framework.

10. The flexible positive stop fixture of claim 9, wherein: a plurality of clamping grooves are formed in the framework.

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