CN220232352U

CN220232352U - Mainboard fixing device for computer

Info

Publication number: CN220232352U
Application number: CN202221482065.0U
Authority: CN
Inventors: 何婞媛; 曹婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2023-12-22
Anticipated expiration: 2032-06-14

Abstract

The utility model discloses a main board fixing device for a computer, which comprises a bottom board, corner clamping assemblies and a heat dissipation assembly, wherein the corner clamping assemblies and the heat dissipation assembly are arranged on the top end surface of the bottom board, the number of the corner clamping assemblies is four and the corner clamping assemblies are arranged at the positions close to the four corners of the bottom board, and the heat dissipation assembly comprises an L-shaped fixing block, a fixing clamping groove, a semicircular clamping groove, an L-shaped movable block and a sliding rod; according to the utility model, the stirring block is stirred to enable the L-shaped movable block to clamp and fix four corners of the main board, so that the installation and the disassembly are convenient, the L-shaped movable block and the sliding rod at the bottom of the L-shaped movable block are matched to adjust the sizes of different main boards, the outer walls of two sides of the rubber cushion arranged on the inner wall of the L-shaped movable block are inclined inwards by forty five degrees, and the corners of the main board are always kept in inclined angles during alignment, so that alignment difficulty caused by tilting of the corners of the main board is avoided.

Description

Mainboard fixing device for computer

Technical Field

The application relates to the technical field of computer auxiliary equipment, in particular to a main board fixing device for a computer.

Background

The computer main board is installed in the host case and is one of the most basic and important components; the main board is the core of a computer hardware system and is also a printed circuit board with the largest area in the case; the main function of the main board is to transmit various electronic signals, and part of chips are also responsible for primarily processing some peripheral data; the merits of a motherboard determine, to some extent, the overall performance, life span, and functional expansion capability of a computer.

The inventor of the utility model knows in daily work and life that most of the current main boards are fixed at specific positions of a host case through the matching of screws and screw holes, when the main boards in the case have the problems of serious dust accumulation, damage and the like, the main boards need to be detached from the case (the surface area of the main boards needs to be cleaned in time when the dust accumulation occurs, otherwise, electronic elements on the main boards are easily damaged), and after the cleaning or maintenance is finished, the main boards need to be installed back through tools, and the disassembling and the installation of the main boards are inconvenient in a screw connection mode, so that the operation efficiency is reduced; in addition, due to the fact that screw holes are reserved on the main board, the difficulty of the main board production process is improved, and improvement of the yield is not facilitated.

The above technical problems need to be solved.

Disclosure of Invention

The utility model aims at: a motherboard fixing device for a computer is provided, which solves the problems in the prior art.

The technical scheme of the utility model is as follows: the utility model provides a mainboard fixing device for computer, includes the bottom plate of rectangle, the top terminal surface of bottom plate is provided with turning joint subassembly, turning joint subassembly's quantity is four and all sets up in being close to four corner positions of bottom plate, radiating component includes L shape fixed block, fixed draw-in groove, semi-circular draw-in groove, L shape movable block and slide bar, a plurality of fixed draw-in groove has been seted up to the inside of L shape fixed block, a plurality of semi-circular draw-in groove has been seted up to the inner wall bottom of fixed draw-in groove, the bottom of L shape movable block is provided with the slide bar, the movable block is through slide bar and fixed draw-in groove and semi-circular draw-in groove sliding fit and fixed.

Furthermore, the fixing clamping grooves are formed in the L-shaped fixing block in a right-angle bending mode, and the semicircular clamping grooves are arranged along the forming direction of the fixing clamping grooves.

Still further, slide bar and fixed draw-in groove sliding fit, the cavity has been seted up to the inside of slide bar, be provided with the spring in the cavity, the port department of cavity is provided with the joint pearl, the periphery of joint pearl is provided with the spacing ring, the spacing ring is connected with the slide bar bottom.

Still further, the top and the cavity inner wall top contact of spring, the bottom is with joint pearl contact, the ring mouth diameter of spacing ring is less than the diameter of joint pearl, the outer wall of slide bar is provided with the slider, fixed draw-in groove's inner wall has seted up with slider sliding fit's spout.

When the mainboard needs to be installed, a user can stir by hand firstly, so that the space on the opposite sides of the four L-shaped movable blocks can accommodate the mainboard, then the four corners of the mainboard are contacted with the inner walls of the four L-shaped movable blocks, and the stirring blocks are used for fixing the position of the mainboard.

When the poking block is poked, the clamping beads in the sliding rod continuously move between the adjacent semicircular clamping grooves in the fixed clamping grooves under the cooperation of the springs, so that the four L-shaped movable blocks can conveniently move to change the length-width ratio; when the acting force to the poking block is stopped, the clamping beads are propped against the semicircular clamping grooves under the acting force of the springs, so that the L-shaped movable block is kept motionless.

Still further, the inner wall of L shape movable block has seted up the empty slot, be provided with the rubber cushion in the empty slot, the top of L shape movable block is provided with and stirs the piece.

Further, the outer walls of the two sides of the rubber cushion are inclined inwards by forty-five degrees, and the included angle formed by the two sides inwards is ninety degrees.

The outer walls of the two sides of the rubber cushion are inclined inwards by forty-five degrees, so that when the main board is clamped, the corners of the main board can be always kept in an included angle formed by the inclination, and the situation that the main board is difficult to align due to the tilting of the corners during alignment can be avoided; and moreover, the rubber cushion can protect the corner of the main board from being excessively pressed by the L-shaped movable block, so that the damage is avoided.

Furthermore, a heat dissipation component is arranged on the main board; the heat dissipation assembly comprises a plurality of heat dissipation fins which are arranged on the top end face of the bottom plate and are transversely arrayed, and a plurality of air-cooled heat dissipaters which are arranged on two sides of the heat dissipation fins.

The temperature of the main board during operation can be greatly reduced by matching the plurality of transverse array radiating fins with the air-cooled radiator, and the safety of the main board is ensured.

Further, a plurality of screw holes are formed in the bottom plate, and screws are screwed into the screw holes.

The main board fixing device can be installed in the case through the cooperation of the screws and the screw holes, so that the follow-up main board can be conveniently detached and installed.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the stirring block is stirred to enable the L-shaped movable block to clamp and fix four corners of the main board, so that the installation and the disassembly are convenient, a special tool is not required, the L-shaped movable block and the sliding rod at the bottom of the L-shaped movable block are matched to adjust and adapt to different main boards, the outer walls of two sides of the rubber cushion arranged on the inner wall of the L-shaped movable block are inclined inwards by forty five degrees, the corners of the main board are always kept in an inclined angle formed by the inclination during alignment, the alignment difficulty caused by tilting of the corners of the main board can be avoided, and the temperature of the main board during operation can be greatly reduced by matching a plurality of transverse array radiating fins and air-cooled radiators, so that the safety of the main board is ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, in which the drawings are only some embodiments of the present utility model, and other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a first perspective view structure according to the present utility model;

FIG. 2 is a schematic diagram of a second perspective view structure according to the present utility model;

FIG. 3 is a schematic view of the structure of the present utility model taken along line A-A';

FIG. 4 is an enlarged schematic view of the structure taken along line A-A' in FIG. 3;

FIG. 5 is a schematic view of the structure of the position in the drawing of the present utility model B;

FIG. 6 is an enlarged schematic view of the structure of FIG. 5 at position B;

FIG. 7 is a schematic side cross-sectional view of a corner joint assembly according to the present utility model;

wherein: 1. a bottom plate; 2. corner clamping components; 3. a heat dissipation assembly; 4. a screw hole; 5. a screw; 201. an L-shaped fixed block; 202. a fixing slot; 203. a semicircular clamping groove; 204. an L-shaped movable block; 205. a rubber cushion; 206. a slide bar; 207. a slide block; 208. a spring; 209. clamping the beads; 210. a limiting ring; 211. a poking block; 301. a heat sink; 302. an air-cooled radiator.

Detailed Description

The above-described aspects are further described below in conjunction with specific embodiments; it will be appreciated by those skilled in the art that these examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

Example 1

As shown in fig. 1, 3, 4, 5, 6 and 7, the motherboard fixing device for a computer provided in this embodiment includes a rectangular bottom plate 1, a corner clamping assembly 2 is disposed on a top end surface of the bottom plate 1, and the number of the corner clamping assemblies 2 is four and all are disposed at four corner positions close to the bottom plate 1 (the four corner clamping assemblies 2 have the same structure and only have different mounting angles).

In this embodiment, the corner clamping assembly 2 includes an L-shaped fixing block 201, a fixing clamping groove 202, a semicircular clamping groove 203, an L-shaped movable block 204 and a sliding rod 206; a plurality of fixing clamping grooves 202 are formed in the L-shaped fixing block 201, a plurality of semicircular clamping grooves 203 are formed in the bottom of the inner wall of the fixing clamping groove 202 (the semicircular clamping grooves 203 are semicircular in longitudinal section), sliding rods 206 are arranged at the bottoms of the L-shaped movable blocks 204, and the movable blocks are in sliding fit and fixed with the fixing clamping grooves 202 and the semicircular clamping grooves 203 through the sliding rods 206.

In this embodiment, the L-shaped fixing block 201 has two perpendicular parts, one of which is disposed along the length direction of the base plate 1 and the other of which is disposed along the width direction of the base plate 1; a plurality of fixing clamping grooves 202 are arranged in an L-shaped fixing block 201 in a straight or right-angle bending shape, and semicircular clamping grooves are arranged along the arrangement direction of the fixing clamping grooves 202; the fixing clip grooves 202 are arranged according to the shape of the L-shaped fixing block 201, wherein one part of the fixing clip grooves 202 is arranged along the length direction or the width direction of the base plate 1, and the other part is L-shaped.

In this embodiment, the sliding rod 206 is slidably matched with the fixing slot 202, a cavity is formed in the sliding rod 206, and the cavity penetrates through the bottom surface of the sliding rod 206; a spring 208 (in a compression spring structure) is arranged in the cavity, a clamping bead 209 (in a ball structure) is arranged at the port of the cavity, a limiting ring 210 is arranged at the periphery of the clamping bead 209, and the limiting ring 210 is connected with the bottom of the sliding rod 206. The top of spring 208 contacts with cavity inner wall top, and the bottom contacts with joint pearl 209, and the ring mouth diameter of spacing ring 210 is less than the diameter of joint pearl 209, and the outer wall of slide bar 206 is provided with slider 207, and the inner wall of fixed draw-in groove 202 has seted up the spout with slider 207 sliding fit.

In this embodiment, the inner wall of the L-shaped movable block 204 is provided with a hollow groove, which is L-shaped and is open on the inner wall of the L-shaped movable block 204; a rubber cushion 205 is arranged in the empty groove, the rubber cushion 205 is L-shaped and is embedded in the empty groove, and a poking block 211 is arranged at the top of the L-shaped movable block 204. The outer walls of the two sides of the rubber cushion 205 are inclined inwards by forty-five degrees, and the included angle formed by the two sides inwards is ninety degrees.

The inner inclined angles of the outer walls of the two sides of the rubber cushion 205 are forty five degrees, so that when the main board is clamped, the corners of the main board can be always kept in the inclined angles formed by the inclined angles, and the situation that the main board is difficult to align due to the fact that the corners are tilted during alignment can be avoided; and, the rubber cushion 205 can protect the main board corner from being excessively pressed by the L-shaped movable block, so as to avoid damage.

When the mainboard needs to be installed, a user can dial the dial block 211 by hand firstly, the dial block 211 can move along the fixed clamping groove 202, the space of the opposite faces of the four L-shaped movable blocks 204 can accommodate the mainboard, then the four corners of the mainboard are contacted with the inner walls of the four L-shaped movable blocks 204, and the dial block 211 is dialed to fix the position of the mainboard.

When the toggle block 211 is toggled, the clamping beads 209 inside the sliding rod 206 continuously move between the adjacent semicircular clamping grooves 203 in the fixed clamping groove 202 under the cooperation of the springs 208, so that the four L-shaped movable blocks 204 can conveniently move to change the length-width ratio, and the installation requirements of the mainboards with different specifications are met; when the force is stopped from being applied to the toggle block 211, the clamping bead 208 is abutted against the semicircular clamping groove 203 under the force of the spring 208, so that the L-shaped movable block 204 is kept motionless.

It should be noted that, because the existing mass-produced mainboards are all rectangular structures, the main board fixing device is suitable for fixing rectangular mainboards, but is not suitable for fixing other special-shaped mainboards.

As shown in fig. 1 and 2, on the basis of the above structure, the motherboard fixing device for a computer provided in this embodiment may further include a heat dissipation component 3 on the bottom board 1; the heat dissipation assembly 3 comprises a plurality of heat dissipation fins 301 arranged on the top end face of the bottom plate 1 and in a plurality of transverse arrays, and a plurality of air-cooled heat sinks 302 arranged on two sides of the heat dissipation fins 301.

In this embodiment, the heat sinks 301 may be of aluminum sheet type, the number of which may be determined according to the need, and each heat sink 301 may be disposed parallel to the length or width direction of the base plate 1, and may contact the bottom surface of the motherboard in use. The air-cooled radiator 302 may be an existing fan-type forced cooling structure, and may include a driving motor, a cooling fan driven to rotate by the driving motor, and a protection net disposed outside, where the driving motor may be powered by a host power supply, and the cooling fan is disposed opposite to the cooling fin 301. The temperature of the main board during operation can be greatly reduced by matching the plurality of transverse array radiating fins with the air-cooled radiator, and the safety of the main board is ensured.

In this embodiment, the bottom plate 1 may further be provided with a plurality of screw holes 4, and screws 5 engaged with the screw holes 4 are screwed into the screw holes. The main board fixing device can be pre-installed in the case through the cooperation of the screw 5 and the screw hole 4, so that the subsequent main board installation and disassembly are convenient; of course, the main board fixing device can also be made into a part of the host case.

The foregoing is merely a specific application example of the present utility model, and the protection scope of the present utility model is not limited in any way. In addition to the embodiments described above, other embodiments of the utility model are possible. All technical schemes formed by equivalent substitution or equivalent transformation fall within the scope of the utility model.

Claims

1. The utility model provides a mainboard fixing device for computer, includes rectangle bottom plate (1), its characterized in that: a corner clamping assembly (2) is arranged on the top end surface of the bottom plate (1);

the number of the corner clamping assemblies (2) is four and the corner clamping assemblies are arranged at four corner positions close to the bottom plate (1); the corner clamping assembly (2) comprises an L-shaped fixed block (201), a fixed clamping groove (202), a semicircular clamping groove (203), an L-shaped movable block (204) and a sliding rod (206); a plurality of fixing clamping grooves (202) are formed in the L-shaped fixing block (201), a plurality of semicircular clamping grooves (203) are formed in the bottom of the inner wall of the fixing clamping groove (202), a sliding rod (206) is arranged at the bottom of the L-shaped movable block (204), and the movable block is in sliding fit and fixed with the fixing clamping grooves (202) and the semicircular clamping grooves (203) through the sliding rod (206).

2. The motherboard fixing device for a computer according to claim 1, wherein:

the fixing clamping grooves (202) are formed in the L-shaped fixing block (201) in a straight shape or a right-angle bent shape, and the semicircular clamping grooves are arranged along the forming direction of the fixing clamping grooves (202).

3. The motherboard fixing device for a computer according to claim 1, wherein:

the sliding rod (206) is in sliding fit with the fixed clamping groove (202), a cavity is formed in the sliding rod (206), a spring (208) is arranged in the cavity, clamping beads (209) are arranged at ports of the cavity, a limiting ring (210) is arranged on the periphery of each clamping bead (209), and the limiting ring (210) is connected with the bottom of the sliding rod (206).

4. A motherboard fixing device for a computer according to claim 3, wherein:

the top of spring (208) and cavity inner wall top contact, bottom and joint pearl (209) contact, the ring mouth diameter of spacing ring (210) is less than the diameter of joint pearl (209), the outer wall of slide bar (206) is provided with slider (207), fixed draw-in groove (202)'s inner wall seted up with slider (207) sliding fit's spout.

5. A motherboard fixing device for a computer according to claim 3, wherein:

an empty groove is formed in the inner wall of the L-shaped movable block (204), a rubber cushion (205) is arranged in the empty groove, and a poking block (211) is arranged at the top of the L-shaped movable block (204).

6. The motherboard fixing device for a computer according to claim 5, wherein:

the outer walls of the two sides of the rubber cushion (205) are inclined inwards by forty-five degrees, and the included angle formed by the two sides inwards is ninety degrees.

7. The motherboard fixing device for a computer according to claim 1, wherein:

the base plate (1) is provided with a plurality of screw holes (4), and screws (5) are screwed in the screw holes (4).