CN111625060A

CN111625060A - Fixing device convenient to computer motherboard installation

Info

Publication number: CN111625060A
Application number: CN202010461992.3A
Authority: CN
Inventors: 左超颖
Original assignee: Hangzhou Yifeng Technology Co ltd
Current assignee: SHENZHEN PANDING TECHNOLOGY Co.,Ltd.
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2020-09-04
Anticipated expiration: 2040-05-27
Also published as: CN111625060B

Abstract

The invention relates to the technical field of computer mainboards, and discloses a fixing device convenient for installing a computer mainboard, which comprises a case, wherein the rear wall of an inner cavity of the case is rotationally connected with symmetrical screw rods, tooth columns are fixedly sleeved in the middle of the screw rods, symmetrical movable blocks are sleeved on the screw rods in a threaded manner, the front parts of the movable blocks are slidably connected with fastening blocks, one side, close to the side wall of the case, of the outer side of each fastening block is slidably connected with a connecting block, and the middle part of the rear wall of the inner cavity of the case is rotationally connected with a movable column. This fixing device convenient to installation of computer motherboard drives the movable column through the stay cord and rotates, makes the rack drive the screw rod and rotates, and the screw rod makes fastening block distance increase about promptly, treats sending into the mainboard and makes it reset between the fastening block after, and the mainboard is blocked promptly, and the cooperation sets up first spring and second spring to reached simple to operate, guaranteed that the mainboard is in stable effect when using.

Description

Fixing device convenient to computer motherboard installation

Technical Field

The invention relates to the technical field of computer mainboards, in particular to a fixing device convenient for installing a computer mainboard.

Background

With the development of social science and technology, computers have gradually come into the lives and works of the public, and there are many internal components of the computers, wherein a computer motherboard is one of the most important components constituting the computer, and bears a large number of electrical components, expansion slots and various external plug-ins, and the operating condition of the computer depends on various design processes of the computer motherboard.

In order to better protection computer motherboard when using, need with computer motherboard fixed mounting on the inner wall of quick-witted case, traditional mounting means need set up the screw hole on the mainboard, then the cooperation screw is fastened it to quick-witted case on, because quick-witted case inner space is less, corresponding instrument inconvenient operation, consequently with the subsequent installation of being not convenient for of mainboard and quick-witted case adoption threaded connection's mode, and because most of mainboards all adopt threaded connection's mode installation, the shock attenuation effect is relatively poor, when the case outside suffers unexpected collision or vibrations, corresponding collision or vibrations energy can be leading-in on the mainboard promptly, cause the influence to the connection of things such as components and parts on the mainboard, for example make some stitch fracture.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the fixing device which is convenient for installing the computer mainboard, has the advantages of convenience in installation, guarantee of stability of the mainboard during use and the like, and solves the problems.

(II) technical scheme

In order to realize the purposes of convenient installation, ensuring the stability of the mainboard during use and the like, the invention provides the following technical scheme: a fixing device convenient for installing a computer mainboard comprises a case, wherein the inner cavity rear wall of the case is rotationally connected with a symmetrical screw rod, a tooth post is fixedly sleeved at the middle part of the screw rod, a symmetrical movable block is sleeved on the screw rod in a threaded manner, the front part of the movable block is slidably connected with a fastening block, a symmetrical first spring is fixedly connected between the fastening block and the movable block, a connecting block is slidably connected at one side of the outer side of the fastening block close to the side wall of the case, a symmetrical second spring is fixedly connected between the connecting block and the side wall of the fastening block, a guide roller is rotationally connected at the inner side of the connecting block, a movable post is rotationally connected at the middle part of the inner cavity rear wall of the case, pull ropes are uniformly wound on the movable post, a torsion spring extending to the inner cavity rear wall of the case is arranged at the rear part of the movable post, and a rack is slidably connected at the rear, and a third spring is fixedly connected between the rack and the side wall of the inner cavity of the case, and the front end of the movable column is provided with a connecting rod extending to the rack.

Preferably, be provided with the spacing strip that matches with the stay cord on the inner chamber back wall of quick-witted case, set up the logical groove that matches with the stay cord on the spacing strip, because the stay cord is in logical inslot chamber, it can be spacing to the stay cord to lead to the groove for the stay cord can not swing at will, influences the operation of other parts of quick-witted case.

Preferably, the rear wall of the inner cavity of the case is provided with a sliding groove matched with the movable block, the movable block is provided with a limiting part extending into the inner cavity of the sliding groove, and when the screw rod rotates, the movable block cannot rotate together with the screw rod but moves along the sliding groove.

Preferably, the upper part and the lower part of the screw rod are provided with threads in opposite directions, and when the screw rod rotates in a certain direction, the movable block sleeved on the screw rod by the threads can be driven to move oppositely or reversely.

Preferably, the block chamber has been seted up to the front portion of fastening block, and the inside rear end in card and chamber sets up to the pattern that contracts gradually, and it makes things convenient for the mainboard to be fixed when inserting here, and the front portion entrance in block chamber is provided with the chamfer, and it makes things convenient for the preliminary insertion of mainboard, and the surface of these parts all is provided with the rubber cushion layer in addition, can effectually prevent that main board edge part from when inserting in the fastening block, producing the problem of collision.

Preferably, the holding tank that matches with the deflector roll is seted up to the front portion of fastening block, and during the deflector roll received the mainboard extrusion, in the holding tank that can be corresponding retraction, and when the mainboard received vibrations to influence, also can make the deflector roll drive the second spring that the connecting block extrusion or tensile corresponds, the corresponding distance of activity in the holding tank to reduce negative effects.

(III) advantageous effects

Compared with the prior art, the invention provides a fixing device convenient for installing a computer mainboard, which has the following beneficial effects:

1. this fixing device convenient to installation of computer mainboard, through the pulling stay cord when using, make the activity post rotate clockwise, utilize the connecting rod with the rack of both sides to the middle part pulling, corresponding tooth post drives the screw rod promptly and rotates, make the partial dorsad motion of movable block on the screw rod, can place the mainboard between the movable block afterwards, the stay cord is loosened in the cooperation, make the movable block reset, the fastening block of top and below is the motion in opposite directions promptly, with the mainboard block at the middle part, thereby simple to operate's effect has been reached.

2. This fixing device convenient to installation of computer mainboard sets up the third spring through the outside at the rack, and sets up the torsional spring on the activity post, after fastening piece with the mainboard block at the middle part, because the elastic potential energy of deformation before third spring, the torsional spring is not released completely, therefore the draw runner still has the trend of removing to the outside, and then leads to the fastening piece of upper and lower part to produce the extrusion force to the mainboard to the fixed effect of mainboard has been strengthened.

3. This fixing device convenient to installation of computer motherboard sets up the deflector roll of symmetry through the front portion insert region at the fastening block for the mainboard only receives the influence of slip frictional force when inserting in the fastening block, and the friction reduces to minimum, conveniently inserts, and the anterior entrance of fastening block is provided with the chamfer, reaches the inner chamber top of fastening block on the chamfer and all sets up the rubber cushion, thereby has reached the effect of edge part wearing and tearing when avoiding the mainboard installation.

4. This fixing device convenient to installation of computer motherboard through set up first spring between fastening block and movable block, sets up the second spring between the connecting block that is connected with the deflector roll and fastening block, and when the mainboard is in the back that finishes in the installation, when the daily in-service of machine case is unexpected rocks or suffers the collision, vibration energy can be absorbed step by step to first spring and second spring to be in stable effect when having reached assurance mainboard use.

Drawings

FIG. 1 is a front cross-sectional view of the present invention;

FIG. 2 is an enlarged view taken at A in FIG. 1;

FIG. 3 is a left side sectional view of a connecting portion of a movable block and the like according to the present invention;

FIG. 4 is an enlarged view at B in FIG. 3;

FIG. 5 is a left side view of a connecting portion of a fastening block or the like of the present invention;

fig. 6 is a left side view of a connecting portion such as a movable post of the present invention.

In the figure: 1-case, 2-screw, 3-toothed column, 4-movable block, 5-fastening block, 6-first spring, 7-connecting block, 8-second spring, 9-guide roller, 10-movable column, 11-pull rope, 12-torsion spring, 13-rack, 14-third spring and 15-connecting rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, a fixing device for conveniently installing a computer motherboard comprises a case 1, a limiting strip matched with a pulling rope 11 is arranged on the rear wall of an inner cavity of the case 1, a through groove matched with the pulling rope 11 is arranged on the limiting strip, the pulling rope 11 can be limited by the through groove because the pulling rope 11 is positioned in the through groove inner cavity, so that the pulling rope 11 can not swing randomly to affect the operation of other parts of the case 1, a sliding groove matched with a movable block 4 is arranged on the rear wall of the inner cavity of the case 1, a limiting part extending into the inner cavity of the sliding groove is arranged on the movable block 4, when the screw rod 2 rotates, the movable block 4 can not rotate together with the screw rod 2 but move along the sliding groove, the rear wall of the inner cavity of the case 1 is rotatably connected with symmetrical screw rods 2, the upper part and the lower part of the screw rod 2 are provided with screw threads with opposite directions, when the screw rod 2 rotates along a certain direction, the movable block 4, the middle part of the screw rod 2 is fixedly sleeved with a tooth post 3, the screw rod 2 is sleeved with symmetrical movable blocks 4 in a threaded manner, the front part of each movable block 4 is connected with a fastening block 5 in a sliding manner, the front part of each fastening block 5 is provided with a clamping cavity, the rear ends of the insides of the clamping cavities are set to gradually shrink patterns, the main board can be conveniently fixed when inserted into the clamping cavities, the front inlet of each clamping cavity is provided with a chamfer angle, the chamfer angle is convenient for primary insertion of the main board, in addition, the surfaces of the parts are provided with rubber cushion layers, the problem of collision when the edge part of the main board is inserted into the fastening block 5 can be effectively prevented, the front part of each fastening block 5 is provided with an accommodating groove matched with a guide roller 9, the guide roller 9 can correspondingly shrink into the accommodating groove when being extruded by the main board, and when the main board is influenced by vibration, the guide roller, in order to reduce negative effects, the first spring 6 of fixedly connected with symmetry between fastening block 5 and movable block 4, one side sliding connection that the outside of fastening block 5 just is located and is close to quick-witted case 1 lateral wall has connecting block 7, the second spring 8 of fixedly connected with symmetry between the lateral wall of connecting block 7 and fastening block 5, the inboard rotation of connecting block 7 is connected with deflector roll 9, the inner chamber rear wall middle part of quick-witted case 1 rotates and is connected with movable post 10, evenly twine on the movable post 10 has stay cord 11, the end of stay cord 11 is provided with the pull ring, the rear portion of movable post 10 is provided with the torsional spring 12 that extends to on the inner chamber rear wall of quick-witted case 1, the rear sliding connection that the inner chamber rear wall of quick-witted case 1 just is located tooth post 3 has rack 13, fixedly connected with third spring 14 between the inner chamber lateral wall of rack 13 and quick-witted case.

The working principle is as follows: the fixing device convenient for mounting the computer mainboard comprises a pull ring which is buckled to pull a pull rope 11 when in use, so that a movable column 10 rotates clockwise, the movable column 10 utilizes a connecting rod 15 to pull racks 13 at two sides to the middle part, corresponding tooth columns 3 meshed with the racks 13 drive a screw rod 2 to rotate, so that a movable block 4 on the screw rod 2 moves back to back, a proper mounting space is reserved, then the mainboard can be placed between the movable blocks 4, the pull rope 11 is loosened in a matching way, so that the movable blocks 4 reset, fastening blocks 5 above and below move oppositely, the mainboard is clamped in the middle part, as a third spring 14 is arranged at the outer side of the rack 13 and a torsion spring 12 is arranged on the movable column 10, and after the mainboard is clamped in the middle part by the fastening blocks 5, because elastic potential energy deformed before the third spring 14 and the torsion spring 12 is not completely released, the slide bar 13 still has a larger tendency of moving outwards, further leading the fastening block 5 at the upper part and the lower part to generate extrusion force to the mainboard and strengthening the fastening effect, on the way that the mainboard is inserted into the fastening block 5, because the front and the back of the mainboard are contacted with the guide roller 9, the mainboard is only influenced by the sliding friction force, the friction is reduced to the minimum, and the front entrance of the fastening block 5 is provided with a chamfer, rubber cushions are arranged on the chamfer and the back of the clamping cavity of the fastening block 5, the integral structure further facilitates the safe clamping of the mainboard between the fastening blocks 5, a first spring 6 is arranged between the fastening block 5 and the movable block 4 in a matching way, a second spring 8 is arranged between the connecting block 7 connected with the guide roller 9 and the fastening block 5, when the mainboard is installed and is accidentally shaken or collided in daily use of the case 1, the first spring 6 and the second spring 8 can absorb vibration energy step by step, thereby avoiding the energy transmission from influencing the stability of components on the, therefore, the effects of convenient installation, strengthening the fixation of the mainboard, avoiding the abrasion of the edge part when the mainboard is installed and ensuring that the mainboard is stable when in use are achieved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fixing device convenient to computer motherboard installation, includes quick-witted case (1), its characterized in that: the inner cavity rear wall of the case (1) is rotationally connected with a symmetrical screw rod (2), the middle part of the screw rod (2) is fixedly sleeved with a toothed column (3), the screw rod (2) is sleeved with a symmetrical movable block (4) in a threaded manner, the front part of the movable block (4) is slidably connected with a fastening block (5), a symmetrical first spring (6) is fixedly connected between the fastening block (5) and the movable block (4), the outer side of the fastening block (5) is slidably connected with a connecting block (7) at one side close to the side wall of the case (1), a symmetrical second spring (8) is fixedly connected between the connecting block (7) and the side wall of the fastening block (5), the inner side of the connecting block (7) is rotationally connected with a guide roller (9), the inner cavity rear wall middle part of the case (1) is rotationally connected with a movable column (10), and a pull rope (11) is uniformly wound on the movable column (10), the rear portion of activity post (10) is provided with torsional spring (12) that extend to on the inner chamber back wall of quick-witted case (1), the rear sliding connection that the inner chamber back wall of quick-witted case (1) just is located tooth post (3) has rack (13), fixedly connected with third spring (14) between the inner chamber lateral wall of rack (13) and quick-witted case (1), the front end of activity post (10) is provided with connecting rod (15) that extend to on rack (13).

2. A mounting apparatus for facilitating the mounting of a computer motherboard according to claim 1, wherein: and a limiting strip matched with the pull rope (11) is arranged on the rear wall of the inner cavity of the case (1).

3. A mounting apparatus for facilitating the mounting of a computer motherboard according to claim 1, wherein: and a sliding groove matched with the movable block (4) is formed in the rear wall of the inner cavity of the case (1).

4. A mounting apparatus for facilitating the mounting of a computer motherboard according to claim 1, wherein: the upper part and the lower part of the screw rod (2) are provided with threads in opposite directions.

5. A mounting apparatus for facilitating the mounting of a computer motherboard according to claim 1, wherein: the front part of the fastening block (5) is provided with a clamping cavity.

6. A mounting apparatus for facilitating the mounting of a computer motherboard according to claim 1, wherein: the front part of the fastening block (5) is provided with a containing groove matched with the guide roller (9).