CN217107751U

CN217107751U - Positioning screw for notebook computer mainboard

Info

Publication number: CN217107751U
Application number: CN202220928387.7U
Authority: CN
Inventors: 包礼文
Original assignee: Suzhou Dazhou Precision Machinery Co ltd
Current assignee: Suzhou Dazhou Precision Machinery Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-08-02
Anticipated expiration: 2032-04-21

Abstract

The utility model belongs to the technical field of the screw equipment, especially, be a set screw for notebook computer mainboard, including screw main part, computer mainboard and computer shell, seted up the screw on the computer shell, seted up the mounting hole on the computer mainboard, the constant head tank has been seted up to the one end that computer shell was kept away from to the mounting hole, and the inside center department of screw main part is provided with the magnetic core, and screw main part top is provided with solid fixed ring, and gu fixed ring both sides lateral wall is provided with the locating piece, gu the fixed ring below is provided with the clamping ring, and the clamping ring below is provided with the end ring, and the end ring upper surface is provided with the sheetmetal. The utility model can increase the friction force between the screw main body and the inner wall of the screw hole by using the metal sheet by arranging the fixing ring, the positioning block, the positioning groove, the metal sheet and the pressing ring, and simultaneously the positioning ring is screwed into the positioning groove to lock the screw main body, so that the fastening effect of the screw main body is better; through setting up sheetmetal and magnetic core, compensatied that traditional screw main part is small, the condition of losing easily.

Description

Positioning screw for notebook computer mainboard

Technical Field

The utility model relates to a screw technical field specifically is a set screw for notebook computer mainboard.

Background

The screw is a general name of hardware tools for fastening devices gradually by screw rotation, and people in daily life generally refer to the fastener as the screw, and the screw is an indispensable industrial necessity in daily life due to good fastening effect and convenience in disassembly and assembly, for example, in the installation of a notebook computer, a main board in the notebook computer is mainly installed on a shell by the screw.

The prior art has the following problems:

1. the conventional positioning screw for the notebook computer mainboard is small in size, is very easy to lose in the dismounting process, and is easy to damage internal parts of the notebook computer once falling into the notebook computer;

2. and the traditional positioning screw for the notebook computer mainboard has a single structure, the fastening effect of the traditional positioning screw only depends on threaded connection, the risk of rotation looseness exists, and an effective locking mechanism is lacked to ensure the stable installation of the screw.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a set screw for notebook computer mainboard has solved the screw volume that exists today less, at the dismouting in-process, very easily takes place to lose, and screw structure is single, and its fastening only relies on threaded connection, has to rotate not hard up risk, lacks effectual locking mechanical system and ensures the problem of the firm installation of screw.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a set screw for notebook computer mainboard, includes screw main part, computer mainboard and computer casing, the screw has been seted up on the computer casing, the mounting hole has been seted up on the computer mainboard, the one end that the computer casing was kept away from to the mounting hole has been seted up the constant head tank, the inside center department of screw main part is provided with the magnetic core, screw main part top is provided with solid fixed ring, gu fixed ring both sides lateral wall is provided with the locating piece, gu fixed ring below is provided with the clamping ring, the clamping ring below is provided with the end ring, end ring upper surface is provided with the sheetmetal, the through-hole has been seted up at the clamping ring middle part.

As a preferred technical scheme of the utility model, the magnetic core material is magnet, the magnetic core is cylindricly, the embedded screw main part inside center department that is fixed in of magnetic core.

As a preferred technical scheme of the utility model, gu fixed ring is the ring form, gu fixed ring internal diameter size and screw main part external diameter size looks adaptation, gu fixed ring is fixed with screw main part side wall welding.

As a preferred technical scheme of the utility model, locating piece quantity is two sets of, distributes in solid fixed ring both sides, locating piece and solid fixed ring integral type structure, locating piece width dimension and constant head tank width dimension looks adaptation, the locating piece is pegged graft with the constant head tank.

As a preferred technical scheme of the utility model, the clamping ring is narrow round platform form under the width, the narrower one end of clamping ring is towards end ring, the clamping ring is run through to the through-hole, the screw main part warp through-hole runs through the clamping ring, screw main part lateral wall and through-hole inner wall swing joint.

As the utility model discloses a preferred technical scheme, the end ring is that the material is the ring form of stainless steel, end ring inner wall and screw main part welded fastening, end ring external diameter size and screw internal diameter size looks adaptation, the end ring is pegged graft with the screw.

As an optimal technical scheme of the utility model, the sheetmetal material is the stainless steel, sheetmetal thickness dimension is the same with end ring width size, sheetmetal and end ring integral type structure, sheetmetal quantity is four groups, and relative end ring centre of a circle is the circumference equidistance and arranges.

Compared with the prior art, the utility model provides a set screw for notebook computer mainboard possesses following beneficial effect:

1. this a set screw for notebook computer mainboard, through setting up solid fixed ring, the locating piece, the constant head tank, sheetmetal and clamping ring, the screw main part runs through in the screw that the computer mainboard inserted computer shell, the screw main part rotates and advances in soon in the screw, extrude the sheetmetal through the clamping ring and make its one side extension of keeping away from the screw main part towards, borrow the sheetmetal lateral wall extension to extrude the screw inner wall, increase the frictional force of screw main part and screw inner wall, in the constant head tank of holding ring screw in simultaneously, it is spacing to carry out the screw main part, avoid the screw main part to take place to turn round not hard up after the installation, reach the purpose of installing the locking to the screw main part, make the fastening effect of screw main part better.

2. This set screw for notebook computer mainboard, through setting up sheetmetal and magnetic core, through embedding the magnetic core in the inside center department of screw main part, make the screw main part in the installation, can borrow the adsorptivity of screwdriver and screw main part and take, it is small to have remedied traditional screw main part, the condition of losing easily, simultaneously through the sheetmetal deformation extension, the clamping ring to the activity in the screw main part carries on spacingly, can avoid the clamping ring to drop from the screw main part, cause the condition that the part dropped.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the main structure of the screw of the present invention;

FIG. 3 is a front sectional view of the screw body of the present invention;

FIG. 4 is a schematic view of the structure of the compression ring of the present invention;

fig. 5 is a schematic view of the fixing ring and the positioning block of the present invention.

In the figure: 1. a screw body; 2. a computer motherboard; 3. a computer housing; 4. a screw hole; 5. mounting holes; 6. positioning a groove; 7. a magnetic core; 8. a fixing ring; 9. positioning blocks; 10. pressing a ring; 11. a bottom ring; 12. a metal sheet; 13. and a through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, in this embodiment: the utility model provides a set screw for notebook computer mainboard, including screw main part 1, computer mainboard 2 and computer casing 3, screw 4 has been seted up on the computer casing 3, mounting hole 5 has been seted up on the computer mainboard 2, mounting hole 5 keeps away from the one end of computer casing 3 and has seted up

constant head tank

6, 1 inside center department of screw main part is provided with magnetic core 7, be convenient for taking of screw

main part

1, 1 top of screw main part is provided with solid fixed ring 8, be used for connecting locating piece 9 and screw main part 1, solid fixed ring 8 both sides lateral wall is provided with locating piece 9, be used for spacing screw main part 1, gu fixed ring 8 below is provided with clamping ring 10, be used for extruding sheetmetal 12, clamping ring 10 below is provided with bottom ring 11, be used for connecting sheetmetal 12 and screw

main part

1, 11 upper surface of bottom ring is provided with sheetmetal 12, clamping ring 10 has seted up through-hole 13 in the middle part.

In the embodiment, the magnetic core 7 is made of a magnet, the magnetic core 7 is cylindrical, the magnetic core 7 is embedded and fixed in the center of the interior of the screw main body 1, and can be taken by virtue of the adsorbability of a screwdriver and the screw main body 1, so that the defects that the traditional screw main body 1 is small in size and easy to lose are overcome; the fixing ring 8 is annular, the inner diameter of the fixing ring 8 is matched with the outer diameter of the screw main body 1, the fixing ring 8 is welded and fixed with the side wall of the screw main body 1, and the screw main body 1 is used for driving the fixing ring 8 to rotate; the number of the positioning blocks 9 is two, the positioning blocks are distributed on two sides of the fixing ring 8, the positioning blocks 9 and the fixing ring 8 are integrally structured, the width size of the positioning blocks 9 is matched with that of the positioning grooves 6, the positioning blocks 9 are inserted into the positioning grooves 6, the positioning rings are screwed into the positioning grooves 6, the screw body 1 is limited, and the screw body 1 is prevented from rotating and loosening after being installed; the pressing ring 10 is in a round table shape with a wide upper part and a narrow lower part, one narrow end of the pressing ring 10 faces the bottom ring 11, the through hole 13 penetrates through the pressing ring 10, the screw main body 1 penetrates through the pressing ring 10 through the through hole 13, the side wall of the screw main body 1 is movably connected with the inner wall of the through hole 13, and the pressing ring 10 is used for extruding the metal sheet 12 to enable the metal sheet to expand towards one side far away from the screw main body 1; the bottom ring 11 is in a ring shape made of stainless steel, the inner wall of the bottom ring 11 is welded and fixed with the screw main body 1, the outer diameter size of the bottom ring 11 is matched with the inner diameter size of the screw hole 4, the bottom ring 11 is inserted into the screw hole 4, and the bottom ring 11 is used for connecting the metal sheet 12 with the screw main body 1; the metal sheets 12 are made of stainless steel, the thickness dimension of the metal sheets 12 is the same as the width dimension of the bottom ring 11, the metal sheets 12 and the bottom ring 11 are of an integrated structure, the number of the metal sheets 12 is four, the metal sheets are distributed in a circumferential equidistant mode relative to the circle center of the bottom ring 11, the inner wall of the screw hole 4 is extruded by means of expansion of the side wall of the metal sheets 12, and the friction force between the screw main body 1 and the inner wall of the screw hole 4 is increased.

The utility model discloses a theory of operation and use flow: the user firstly penetrates the press ring 10 from the bottom end of the screw main body 1, so that the press ring 10 is arranged between the fixing ring 8 and the bottom ring 11, the metal sheet 12 is in a furled state, then the screw main body 1 penetrates the computer mainboard 2 through the mounting hole 5, the metal sheet 12 is slightly shifted to be expanded to avoid the drop and loss of the press ring 10, the screwdriver is used for touching the screw main body 1, the magnetic core 7 is used for enabling the adsorption force between the screw main body 1 and the screwdriver to be existed, the defect that the traditional screw main body 1 is small in size and easy to lose is overcome, then the bottom end of the screw main body 1 is inserted into the screw hole 4 on the computer shell 3, the screw main body 1 is rotated to be screwed in the screw hole 4 until the bottom ring 11 enters the screw hole 4, along with the gradual approach of the computer mainboard 2 and the computer shell 3, the press ring 10 presses the metal sheet 12 to be expanded towards the side far away from the screw main body 1, and the inner wall of the screw hole 4 is pressed by the expansion of the side wall of the metal sheet 12, meanwhile, the positioning ring is screwed into the positioning groove 6 to limit the rotation of the screw main body 1, so that the screw main body 1 is prevented from rotating and loosening after being installed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a notebook computer is set screw for mainboard, includes screw main part (1), computer mainboard (2) and computer case (3), its characterized in that: screw (4) have been seted up on computer case (3), mounting hole (5) have been seted up on computer mainboard (2), constant head tank (6) have been seted up to the one end that computer case (3) were kept away from in mounting hole (5), screw main part (1) inside center department is provided with magnetic core (7), screw main part (1) top is provided with solid fixed ring (8), gu fixed ring (8) both sides lateral wall is provided with locating piece (9), gu fixed ring (8) below is provided with clamping ring (10), clamping ring (10) below is provided with end ring (11), end ring (11) upper surface is provided with sheetmetal (12), through-hole (13) have been seted up at clamping ring (10) middle part.

2. The set screw for the notebook computer motherboard according to claim 1, wherein: the magnetic core (7) is made of a magnet, the magnetic core (7) is cylindrical, and the magnetic core (7) is embedded and fixed in the center of the interior of the screw main body (1).

3. The set screw for the notebook computer motherboard according to claim 1, wherein: the fixing ring (8) is in a ring shape, the inner diameter of the fixing ring (8) is matched with the outer diameter of the screw main body (1), and the fixing ring (8) is welded and fixed with the side wall of the screw main body (1).

4. The set screw for the notebook computer motherboard according to claim 1, wherein: locating piece (9) quantity is two sets of, distributes in solid fixed ring (8) both sides, locating piece (9) and solid fixed ring (8) integral type structure, locating piece (9) width dimension and constant head tank (6) width dimension looks adaptation, locating piece (9) are pegged graft with constant head tank (6).

5. The set screw for the notebook computer motherboard according to claim 1, wherein: clamping ring (10) are narrow round platform form under the width, the narrower one end of clamping ring (10) is towards end ring (11), clamping ring (10) is run through in through-hole (13), screw main part (1) runs through clamping ring (10) through-hole (13), screw main part (1) lateral wall and through-hole (13) inner wall swing joint.

6. The set screw for the notebook computer motherboard according to claim 1, wherein: bottom ring (11) are the material and are the ring form of stainless steel, bottom ring (11) inner wall and screw main part (1) welded fastening, bottom ring (11) external diameter size and screw (4) internal diameter size looks adaptation, bottom ring (11) are pegged graft with screw (4).

7. The set screw for the notebook computer motherboard according to claim 1, wherein: the metal sheet (12) material is stainless steel, metal sheet (12) thickness dimension is the same with end ring (11) width dimension, metal sheet (12) and end ring (11) integral type structure, metal sheet (12) quantity is four groups, and relative end ring (11) centre of a circle is the circumference equidistance and arranges.