CN110206806B - Screw and thread fixing structure - Google Patents

Screw and thread fixing structure Download PDF

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Publication number
CN110206806B
CN110206806B CN201910454691.5A CN201910454691A CN110206806B CN 110206806 B CN110206806 B CN 110206806B CN 201910454691 A CN201910454691 A CN 201910454691A CN 110206806 B CN110206806 B CN 110206806B
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China
Prior art keywords
sub
hole
bellyings
screw
horizontal length
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Active
Application number
CN201910454691.5A
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Chinese (zh)
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CN110206806A (en
Inventor
赵超越
胡丰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Sancheng Precision Machinery Technology Co ltd
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Huizhou TCL Mobile Communication Co Ltd
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Priority to CN201910454691.5A priority Critical patent/CN110206806B/en
Publication of CN110206806A publication Critical patent/CN110206806A/en
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B33/00—Features common to bolt and nut
    • F16B33/02—Shape of thread; Special thread-forms
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/041—Specially-shaped shafts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/041—Specially-shaped shafts
    • F16B35/048—Specially-shaped necks
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)

Abstract

The application discloses screw and thread tightening structure, the screw includes: the screw thread structure is arranged on the rod part, wherein the horizontal length of the rod part is gradually increased along the direction close to the end part. The difference between the horizontal length of the control rod part and the horizontal length of the end part is used for avoiding the over-width of the end part of the screw, so that the damage to parts is reduced, and the product yield is improved.

Description

Screw and thread fixing structure
Technical Field
The application relates to the field of screws, in particular to a screw and a thread fixing structure.
Background
A screw is one of the most commonly used fastening members, and is used in many fields such as mechanical engineering, electrical equipment, and medical equipment, wherein the appearance of smart hardware such as a mobile phone is developed in a light and thin direction, and a screw having a small size is a necessary fastening member.
In the related art, when screws are used to fixedly connect two adjacent parts, screws with wider ends are generally used, and when the two parts are subjected to opposite forces or locked by the screws, the wider ends can damage the parts, thereby reducing the yield of products.
Therefore, the prior art has defects and needs to be improved urgently.
Disclosure of Invention
The embodiment of the application provides a screw, the damage of reducible part improves the product yield.
The embodiment of the application provides a screw, includes:
the screw thread structure is arranged on the rod part, wherein the horizontal length of the rod part is gradually increased along the direction close to the end part.
In the screw of the present application, the end portion has a first surface with respect to the shaft portion, the shaft portion has a second surface with respect to the end portion, and a horizontal length of the first surface is equal to a horizontal length of the second surface.
In the screw of the present application, the horizontal length of the end portion gradually decreases in a direction approaching the shaft portion.
In the screw of the present application, the shank has a side, and the thread structure is provided on the side.
In the screw in this application, the helicitic texture is connected by a plurality of bellyings and is formed, each bellyings includes first sub-bellyings, the sub-bellyings of second and the sub-bellyings of third in a plurality of bellyings, the sub-bellyings of second is greater than with the contained angle of horizontal plane the contained angle of first sub-bellyings and horizontal plane.
The embodiment of the present application further provides a thread fixing structure, including:
a substrate on which a fixing hole is provided;
the fixing plate is arranged on the substrate, and a through hole is formed in the fixing plate relative to the fixing hole;
the screw is used for fixedly connecting the substrate and the fixing plate, wherein the screw comprises an end part and a rod part extending downwards from the end part, and a thread structure is arranged on the rod part; wherein,
the horizontal length of the rod part is gradually increased along the direction far away from the base plate.
In the thread fixing structure of the present application, the fixing hole is provided coaxially with the through hole and the aperture of the through hole is larger than or equal to the aperture of the fixing hole
In the thread fixing structure, the through hole comprises a first sub through hole and a second sub through hole, the first sub through hole and the second sub through hole are coaxially arranged, and the second sub through hole is used for fixing the end part of the screw.
In the thread fixing structure of the present application, the aperture of the first sub through hole is gradually reduced along with the direction approaching the substrate.
In the screw fixing structure described in the present application, an internal thread is provided on a side wall of the fixing hole so that the screw structure is screwed with the internal thread.
The screw that this application embodiment provided includes: the screw thread structure is arranged on the rod part, wherein the horizontal length of the rod part is gradually increased along the direction close to the end part. The difference between the horizontal length of the control rod part and the horizontal length of the end part is used for avoiding the over-width of the end part of the screw, so that the damage to parts is reduced, and the product yield is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a first structural schematic diagram of a screw provided in an embodiment of the present application.
Fig. 2 is a second structural schematic diagram of a screw provided in an embodiment of the present application.
Fig. 3a is a third structural diagram of a screw according to an embodiment of the present application.
Fig. 3b is a fourth structural diagram of the screw according to the embodiment of the present application.
Fig. 4 is a fifth structural schematic diagram of a screw provided in an embodiment of the present application.
Fig. 5 is a schematic structural diagram of a thread fixing structure according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all 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 application.
In the prior art, when using the screw to carry out fixed connection to two adjacent parts, adopt the screw of tip broad usually, and because the existence of broad tip, need reserve the hole of broad in the part and place the tip, consequently, the relative part thickness of tip is comparatively weak, and when two parts received opposite effort or screw locking, comparatively weak position can have the risk of splitting in the part.
Referring to fig. 1, fig. 1 is a first structural schematic diagram of a screw 10 according to an embodiment of the present disclosure.
The screw 10 comprises: an end 101 and a rod 102 extending from the end 101, the rod 102 having a thread structure 1021, wherein the horizontal length of the rod 102 gradually increases as it approaches the end 101.
Specifically, the screw 10 is split into two parts, namely an end part 101 and a rod part 102, the horizontal length of the rod part 102 is the length in the X direction, and the horizontal length of the rod part 102 gradually increases along the direction close to the end part 101 (i.e., extending along the positive direction of the Y axis), wherein the X direction is a direction perpendicular to the central axis of the screw 10, and the Y direction is a direction parallel to the central axis of the screw 10 and perpendicular to the X direction.
In some embodiments, the horizontal length of the end portion 101 gradually decreases in a direction approaching the shaft portion 102.
It will be appreciated that in order to allow the screw 10 to be better secured to the component, the end 101 of the screw 10 may be shaped to have a pre-tilt angle, i.e. the horizontal length of the end 101 decreases towards the shaft 102.
In some embodiments, as shown in fig. 2, fig. 2 is a second structural schematic view of the screw 10 provided in the embodiments of the present application, wherein a concave structure is further provided on an end 101 of the screw 10, and the concave structure is in a shape of "cross" or "straight", where the concave structure is used for fastening with a fastening tool, such as a screwdriver or the like.
In some embodiments, the stem 102 has a side and the thread structure 1021 is disposed on the side.
In some embodiments, the thread structure 1021 is formed by connecting a plurality of protruding portions, each protruding portion of the plurality of protruding portions includes a first sub-protruding portion 10211, a second sub-protruding portion 10212, and a third sub-protruding portion 10213, and an included angle α between the second sub-protruding portion 10212 and a horizontal plane is larger than an included angle β between the first sub-protruding portion 10211 and the horizontal plane.
Specifically, referring to fig. 3a and fig. 3b, fig. 3a is a third structural schematic diagram of the screw 10 according to the embodiment of the present application, fig. 3a is a partially enlarged view of fig. 1, fig. 3b is a fourth structural schematic diagram of the screw 10 according to the embodiment of the present application, and fig. 3b is a cross-sectional schematic diagram of fig. 3 a.
It can be understood that the thread structure 1021 is formed by connecting a plurality of convex portions, and each convex portion of the convex portions includes a first sub-convex portion 10211, a second sub-convex portion 10212 and a third sub-convex portion 10213, where an angle α between the second sub-convex portion 10212 and a horizontal plane is larger than an angle β between the first sub-convex portion 10211 and the horizontal plane in order to form a matching surface at a position where the thread structure 1021 contacts with a component, so that the fastening degree of the screw 10 is tighter.
Specifically, as shown in fig. 4, fig. 4 is a fifth structural diagram of the screw 10 according to the present embodiment, in which the end portion 101 has a first surface 1011 relative to the rod portion 102, the rod portion 102 has a second surface 1022 relative to the end portion 101, and a horizontal length of the first surface 1011 is equal to a horizontal length of the second surface 1022.
In particular, here the horizontal length of the shank 102 close to the end 101 is kept the same as the horizontal length of the end 101 close to the shank 102, so that the end of the screw 10 does not present a weak point in the part.
The screw that this application embodiment provided includes: the screw thread structure is arranged on the rod part, wherein the horizontal length of the rod part is gradually increased along the direction close to the end part. The difference between the horizontal length of the control rod part and the horizontal length of the end part is used for avoiding the over-width of the end part of the screw, so that the damage to parts is reduced, and the product yield is improved.
The embodiment of the present application further provides a thread fixing structure, which includes, through the screw fixation as described above:
a substrate 20, wherein a fixing hole 201 is provided in the substrate 20;
a fixing plate 30, wherein the fixing plate 30 is disposed on the substrate 20, and a through hole 301 is disposed on the fixing plate 30 opposite to the fixing hole 201;
the screw 10 is used for fixedly connecting the substrate 20 and the fixing plate 30, wherein the screw 10 includes an end portion 101 and a rod portion 102 extending from the end portion 101, the rod portion 102 has a thread structure 1021, and a horizontal length of the rod portion 102 gradually increases along a direction approaching the end portion 101.
Specifically, as shown in fig. 5, fig. 5 is a schematic structural diagram of a screw fastening structure according to an embodiment of the present application, where the substrate 20 and the fixing plate 30 correspond to two components and are fastened by the screw 10. A fixing hole 201 is reserved in the substrate 20, a through hole 301 is reserved in a position of the fixing plate 30 relative to the fixing hole 201, and the screw 10 penetrates through the through hole 301 and is arranged on the fixing hole 201.
In some embodiments, the fixing hole 201 is coaxially disposed with the through hole 301, and the aperture of the through hole 301 is greater than or equal to the aperture of the fixing hole 201.
It can be understood that the fixing hole 201 and the through hole 301 reserved herein need to be matched with the screw 10, and therefore, if the screw 10 is tapered, the aperture of the through hole 301 is larger than that of the fixing hole 201; if the screw 10 has a cylindrical shape, the diameter of the through hole 301 is equal to that of the fixing hole 201.
In some embodiments, the through hole 301 includes a first sub through hole 3011 and a second sub through hole 3012, the first sub through hole 3011 and the second sub through hole 3012 are coaxially disposed, and the second sub through hole 3012 is used to fix the end 101 of the screw 10.
Specifically, the second sub through hole 3012 is used to fix the end 101 of the screw 10, and may not have an internal thread, and the first sub through hole 3011 may or may not have an internal thread, and is not limited herein.
In some embodiments, the aperture of the first sub-via 3011 becomes smaller as the substrate 20 approaches.
Here with respect to the case where the horizontal length of the end portion 101 is gradually reduced in the direction approaching the rod portion 102, since the horizontal length of the end portion 101 of the screw 10 is changed with a change in height, the first sub through hole 3011 is also changed in shape with respect to the end portion 101 here.
In some embodiments, an inner thread is disposed on a sidewall of the fixing hole 201, so that the thread structure 1021 is screwed with the inner thread.
Here, since the screw 10 needs to fasten the substrate 20 and the fixing plate 30, it is necessary to provide a female screw on a side wall of the fixing hole 201 of the substrate 20 so that the screw structure 1021 is screwed with the female screw, thereby preventing the substrate 20 and the fixing plate 30 from being separated.
The thread fixing structure that this application embodiment provided includes: a substrate on which a fixing hole is provided; the fixing plate is arranged on the substrate, and a through hole is formed in the fixing plate relative to the fixing hole; the screw is used for fixedly connecting the substrate and the fixing plate, and comprises an end part and a rod part extending downwards from the end part, and the rod part is provided with a thread structure; wherein the horizontal length of the rod part is gradually increased along the direction away from the base plate. The difference between the horizontal length of the control rod part and the horizontal length of the end part is used for avoiding the over-width of the end part of the screw, so that the damage to parts is reduced, and the product yield is improved.
The light-emitting panel and the display device provided by the embodiments of the present application are described in detail above, and the principles and embodiments of the present application are explained herein by applying specific examples, and the above description of the embodiments is only used to help understanding the technical solutions and core ideas of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.

Claims (8)

1. A screw, comprising:
the screw-type water-cooling water pipe comprises an end part and a rod part extending from the end part, wherein the rod part is provided with a thread structure, and the horizontal length of the rod part is gradually increased along the direction close to the end part;
wherein, pole portion has a side, just the helicitic texture sets up on the side, the helicitic texture is connected by a plurality of bellyings and is formed, each bellyings includes first sub-bellyings, the sub-bellyings of second and the sub-bellyings of third in a plurality of bellyings, the contained angle of the sub-bellyings of second and horizontal plane is greater than the contained angle of first sub-bellyings and horizontal plane, every layer the sub-bellyings of second is in the coplanar in same direction.
2. The screw of claim 1 wherein said end has a first surface relative to said shank, said shank has a second surface relative to said end, and the horizontal length of said first surface is equal to the horizontal length of said second surface.
3. The screw of claim 2, wherein the horizontal length of the end portion decreases in a direction toward the shank portion.
4. A threaded fastener construction, comprising:
a substrate on which a fixing hole is provided;
the fixing plate is arranged on the substrate, and a through hole is formed in the fixing plate relative to the fixing hole;
the screw is used for fixedly connecting the substrate and the fixing plate, and comprises an end part and a rod part extending downwards from the end part, and the rod part is provided with a thread structure; wherein,
the horizontal length of the rod part is gradually increased along the direction far away from the base plate;
wherein, pole portion has a side, just the helicitic texture sets up on the side, the helicitic texture is connected by a plurality of bellyings and is formed, each bellyings includes first sub-bellyings, the sub-bellyings of second and the sub-bellyings of third in a plurality of bellyings, the contained angle of the sub-bellyings of second and horizontal plane is greater than the contained angle of first sub-bellyings and horizontal plane, every layer the sub-bellyings of second is in the coplanar in same direction.
5. The thread fixing structure according to claim 4, wherein the fixing hole is provided coaxially with the through hole and a hole diameter of the through hole is larger than or equal to a hole diameter of the fixing hole.
6. The thread fastening structure according to claim 5, wherein the through-hole includes a first sub-through-hole and a second sub-through-hole, the first sub-through-hole and the second sub-through-hole being disposed coaxially, the second sub-through-hole being for fastening an end portion of the screw.
7. The screw fixation structure of claim 6, wherein the aperture of the first sub through hole is gradually smaller as approaching the substrate.
8. The threaded fastener of claim 4, wherein an internal thread is provided on a side wall of the fastening hole so that the threaded fastener is screwed with the internal thread.
CN201910454691.5A 2019-05-29 2019-05-29 Screw and thread fixing structure Active CN110206806B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910454691.5A CN110206806B (en) 2019-05-29 2019-05-29 Screw and thread fixing structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910454691.5A CN110206806B (en) 2019-05-29 2019-05-29 Screw and thread fixing structure

Publications (2)

Publication Number Publication Date
CN110206806A CN110206806A (en) 2019-09-06
CN110206806B true CN110206806B (en) 2021-02-26

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Application Number Title Priority Date Filing Date
CN201910454691.5A Active CN110206806B (en) 2019-05-29 2019-05-29 Screw and thread fixing structure

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE544521A (en) * 1955-01-18
US5310299A (en) * 1992-09-01 1994-05-10 Kurt Manufacturing Company, Inc. Sliding clamp
DE20316200U1 (en) * 2003-10-22 2003-12-18 Böllhoff GmbH Connecting arrangement has metal fastening element with threaded shank with thread of saw-tooth profile with fine pitch and conical outer contour, and plastic component with conical smooth-walled bore
JP2005163834A (en) * 2003-11-28 2005-06-23 Yamaha Corp Screw member, and connector using the same
EP2068012A3 (en) * 2007-12-03 2011-11-23 BSH Bosch und Siemens Hausgeräte GmbH Screw with hardened threads

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Effective date of registration: 20231129

Address after: 315000 Xizetang Industrial Zone, Xianxiang Town, Xiangshan County, Ningbo City, Zhejiang Province

Patentee after: Ningbo Sancheng Precision Machinery Technology Co.,Ltd.

Address before: 516006 Zhongkai hi tech Zone, Huizhou, Guangdong, 86 Chang seven Road West

Patentee before: HUIZHOU TCL MOBILE COMMUNICATION Co.,Ltd.