CN106321577B - Locked assembly - Google Patents
Locked assembly Download PDFInfo
- Publication number
- CN106321577B CN106321577B CN201510341246.XA CN201510341246A CN106321577B CN 106321577 B CN106321577 B CN 106321577B CN 201510341246 A CN201510341246 A CN 201510341246A CN 106321577 B CN106321577 B CN 106321577B
- Authority
- CN
- China
- Prior art keywords
- screw
- perforation
- plate body
- internal thread
- outside
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 210000000078 claw Anatomy 0.000 claims description 8
- 238000004904 shortening Methods 0.000 abstract description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- F16B5/0283—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 with an externally threaded sleeve around the neck or the head of the screw-threaded element for adjustably fastening a plate or frame or the like to a fixed element
Abstract
The present invention provides a kind of locked assembly, including the first plate body, the second plate body and screw.First plate body has the first perforation.Second plate body has cylinder.Cylinder has the second perforation of the first perforation of alignment and spirally extends the internal thread in the second perforation along column axis.Screw has head, extends from the bar portion on head and extend the external screw thread in bar portion along screw axis.When the head of screw on the assembly orientation along screw axis stress, and the bar portion of screw across the first perforation when arriving at the second perforation, external screw thread oppresses internal thread to expand the second perforation by ramp effect, so that screw can continue to move along assembly orientation, until the first plate body is arrived on the head of screw.Therefore, screw can be directly pressed into cylinder by locked assembly provided by the invention without the auxiliary by screwdriver so that external screw thread intercouples with internal thread, the time for simplifying locking program, shortening screw locking.
Description
Technical field
It can lock the present invention relates to a kind of locked assembly more particularly to a kind of auxiliary without passing through screwdriver
Locked assembly.
Background technology
Traditional screw locking is to be locked workpiece more than two pieces or two pieces by way of rotary screw by screwdriver
Gu together.When screw is locked, it is necessary to screw is screwed in using screwdriver, otherwise screw can not be locked to position, because
And screw locking must spend certain working hour.Although there is electric screw driver that can save the time of rotary screw, still have to
Electric screw driver is aligned to the head of screw can just proceed by screw locking.Therefore, for mass production, traditional spiral shell
Silk locking is difficult to simplify locking program, shortens working hour.
Invention content
The present invention provides a kind of locked assembly, to the time for simplifying locking program, shortening screw locking.
A kind of locked assembly of the present invention comprising the first plate body, the second plate body and screw.First plate body has first to pass through
Hole.Second plate body has cylinder.Cylinder has the second perforation and internal thread.Second perforation is directed at the first perforation.Internal thread along
Column axis spirally extends in the second perforation.There is internal thread multigroup internal thread unit, each group of internal thread unit to have
First inner edge and the second inner edge.First inner edge is compared with the second inner edge far from the first plate body.First inner edge is perpendicular to column axis, and
Two inner edges favour the first inner edge.Screw has head, bar portion and external screw thread.Bar portion extends from head.External screw thread is along screw
Axis extends in bar portion.There is external screw thread multigroup external screw thread unit, each group of external screw thread unit to have the first outside and second
Outside.First outside is compared with the second outside close to head.First outside is perpendicular to screw axis, and the second outside favours outside first
Side.When the head of screw on the assembly orientation along screw axis stress, and the bar portion of screw is arrived at across the first perforation
When the second perforation, the second inner edge of the second outside compressing internal thread unit of external screw thread unit by ramp effect to expand the
Two perforations so that screw can continue to move along assembly orientation, until the first plate body is arrived on the head of screw.
In one embodiment of this invention, the one end of cylinder far from the first plate body is divided into multiple elasticity around column axis
Pawl so that the second perforation can be flexibly extended.
In one embodiment of this invention, internal thread spirally extends second with the same diameter of thread along column axis
In perforation, the second perforation have circular conical surface, and internal thread extend beyond circular conical surface part be removed.
In one embodiment of this invention, the first plate body is the circuit board of electronic device, and the second plate body is electronic device
Shell.
Based on above-mentioned, in the present invention, by the ramp effect between the external screw thread of screw and the internal thread of cylinder, it is not necessarily to
Directly screw can be pressed into cylinder by the auxiliary of screwdriver so that external screw thread intercouples with internal thread, thus simplifies lock
Gu program, the time for shortening screw locking.In addition, when the elasticity of cylinder itself is insufficient, cylinder may be partitioned into multiple elastic claws,
Expand the second perforation to increase the elasticity of cylinder itself.In addition, when the second perforation has circular conical surface, under the bar portion of screw
End is easy to be directed to the upper end of internal thread, thus increases the contraposition nargin of screw.
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and it is detailed to coordinate attached drawing to make
Carefully it is described as follows.
Description of the drawings
Figure 1A is the top perspective view of the locked assembly of one embodiment of the invention;
Figure 1B is the face upwarding stereogram of the locked assembly of Figure 1A;
Fig. 2A is sectional view of the locked assembly of Figure 1A before assembling;
Fig. 2 B are sectional view of the locked assembly of Fig. 2A in assembling;
Fig. 2 C are sectional view of the locked assembly of Fig. 2A after assembling.
Reference sign:
100:Locked assembly;
110:First plate body;
110a:First perforation;
120:Second plate body;
122:Cylinder;
122a:Second perforation;
122a-1:Circular conical surface;
122b:Elastic claw;
130:Screw;
132:Head;
134:Bar portion;
140:Internal thread;
142:Internal thread unit;
142a:First inner edge;
142b:Second inner edge;
150:External screw thread;
152:External screw thread unit;
152a:First outside;
152b:Second outside;
A1:Column axis;
A2:Screw axis;
D1:Assembly orientation;
D2:Disassembly direction.
Specific implementation mode
A, Figure 1B and Fig. 2A are please referred to Fig.1, in the present embodiment, locked assembly 100 includes the first plate body 110, the second plate
Body 120 and screw 130.First plate body 110 is, for example, the circuit board of electronic device, and the second plate body 120 is, for example, electronic device
Shell, but invention is not limited thereto.First plate body 110 has the first perforation 110a.Second plate body 120 has cylinder 122,
It can be integrally formed with the second plate body 120.Cylinder 122 has the second perforation 122a and internal thread 140, the second perforation 122a alignments
First perforation 110a.Internal thread 140 is spirally extended along column axis A1 in the second perforation 122a.Internal thread 140 has
Multigroup internal thread unit 142, each group of internal thread unit 142 have the first inner edge 142a and the second inner edge 142b, and in first
Side 142a is compared with the second inner edge 142b far from the first plate body 110.First inner edge 142a is perpendicular to column axis A1, and the second inner edge
142b favours the first inner edge 142a.
Figure 1A, Figure 1B and Fig. 2A are refer again to, screw 130 has head 132, bar portion 134 and external screw thread 150.Bar portion 134
Extend from head 132.External screw thread 150 is extended along screw axis A2 in bar portion 134.External screw thread 150 has multigroup external screw thread
Unit 152, each group of external screw thread unit 152 have the first outside 152a and the second outside 152b, and the first outside 152a is compared with the
Two outside 152b are close to head 132.First outside 152a is perpendicular to screw axis A2, and the second outside 152b is favoured outside first
Side 152a.As shown in Figure 2 B, when the head of screw 130 132 on the assembly orientation D1 along screw axis A2 stress, and screw
When 130 bar portion 134 arrives at the second perforation 122a across the first perforation 110a, the second outside 152b of external screw thread unit 152
The second inner edge 142b of internal thread unit 142 is oppressed to expand the second perforation 122a by ramp effect so that 130 energy of screw
Assembly orientation D1 movements are enough continued on, until the first plate body 110 are arrived on the head of screw 130 132.As shown in Figure 2 C.
Therefore, during assembling the first plate body 110 and the second plate body 120, screw 130 is screwed in without the auxiliary by screwdriver
In cylinder 122, and directly screw 130 can be pressed into cylinder 122, thus saves assembling working hour.
C is please referred to Fig.2, in the case where screw 130 to be pressed into cylinder 122, due to the first of external screw thread unit 152
Outside 152a is perpendicular to screw axis A2, and the first inner edge 142a of internal thread unit 142 is perpendicular to column axis A1, so spiral shell
Silk 130 is not easy to detach from cylinder 122 along exerting a force on the disassembly direction D2 of column axis A1 and separate cylinder 122, with
Ensure that the cooperation between screw 130 and cylinder 122 provides enough locking forces.On the contrary, when being intended to the dismounting of the first plate body 110 certainly
When the second plate body 120, can by the auxiliary of screwdriver by screw 130 along column axis A1 and far from the dismounting side of cylinder 122
It screws out from cylinder 122 on D2, revolves screw 130 from cylinder 122 so there is still a need for the auxiliary of screwdriver in disassembly process
Go out.
B and Fig. 2A is please referred to Fig.1, in the present embodiment, the one end of cylinder 122 far from the first plate body 110 is around cylinder axis
Line A1 is divided into multiple elastic claw 122b so that the second perforation 122a can flexibly be expanded.Therefore, the first plate body is being assembled
110 and second during plate body 120, and as shown in Fig. 2 B to Fig. 2 C, the second outside 152b of external screw thread unit 152 is along screw
Axis A2 stress oppresses the second inner edge 142b of internal thread unit 142 to strut these elastic claws 122b to expand the second perforation
122a so that screw 130 can move down to increase the coupling length between external screw thread 150 and internal thread 140, until screw
Until the first plate body 110 is arrived on 130 head 132.In other unshowned embodiments, the elastic claw 122b of cylinder 122
But two, three or five or more.However, but invention is not limited thereto.In another unshowned embodiment, work as cylinder
122 in itself with enough elasticity come when flexibly expanding the second perforation 122a, cylinder 122 can not also be divided into multiple elastic claws
122b, and maintain hollow shape.
Figure 1B and Fig. 2A is refer again to, in the present embodiment, internal thread 140 is with the same diameter of thread along column axis A1
It spirally extends in the second perforation 122a, the second perforation 122a has circular conical surface 122a-1, and internal thread 140 extends beyond circle
The part of conical surface 122a-1 is removed.The lower end of the bar portion 134 of screw 130 is easy the circular conical surface via the second perforation 122a
122a-1 is directed to the upper end of internal thread 140, thus increases the contraposition nargin of screw 130.In external screw thread 150 and internal thread
The initial stage of 140 phases coupling, the depth of the upper part of internal thread 140 are shallower so that between internal thread 140 and external screw thread 150
Contact area very little.Later, it is slowly moved down relative to cylinder 122 with screw 130, between internal thread 140 and external screw thread 150
Contact area is increasing, thus gradually increases the locking force between internal thread 140 and external screw thread 150, until the head of screw 130
Until the first plate body 110 is arrived in portion 132, as shown in Figure 2 C.
Fig. 2 C are refer again to, in the present embodiment, only by taking first plate body 110 as an example, but invention is not limited thereto.
In another unshowned embodiment, multiple first plate bodys 110 are can also be used, can be different multiple workpiece and sequentially respectively
Overlapping, and these the first plate bodys 110 can be assembled on the second plate body 120 by screw 130 and cylinder 122.
In conclusion in the present invention, by the ramp effect between the external screw thread of screw and the internal thread of cylinder, being not necessarily to
Directly screw can be pressed into cylinder by the auxiliary of screwdriver so that external screw thread intercouples with internal thread, thus simplifies lock
Gu program, the time for shortening screw locking.In addition, when the elasticity of cylinder itself is insufficient, cylinder may be partitioned into multiple elastic claws,
Expand the second perforation to increase the elasticity of cylinder itself.In addition, when the second perforation has circular conical surface, under the bar portion of screw
End is easy to be directed to the upper end of internal thread, thus increases the contraposition nargin of screw.
Finally it should be noted that:The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that:Its according to
So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into
Row equivalent replacement;And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution
The range of scheme.
Claims (3)
1. a kind of locked assembly, which is characterized in that including:
First plate body has the first perforation;
There is second plate body cylinder, the cylinder there is the second perforation and internal thread, the second perforation alignment described first to pass through
Hole, the internal thread are spirally extended in second perforation with the same diameter of thread along column axis, and described second passes through
Hole have circular conical surface, and the internal thread extend beyond the circular conical surface part be removed, the internal thread have it is multigroup in
Threaded elements, internal thread unit described in each group has the first inner edge and the second inner edge, in first inner edge more described second
It is outlying from first plate body, first inner edge favours described first perpendicular to the column axis, second inner edge
Inner edge;And
There is screw head, bar portion and external screw thread, the bar portion to extend from the head, and the external screw thread is along screw axis
It extends in the bar portion, there is the external screw thread multigroup external screw thread unit, external screw thread unit described in each group to have outside first
Side and the second outside, the first outside second outside is close to the head, and first outside is perpendicular to the spiral shell
Silk axis, second outside favour first outside, and when the head of the screw is along the screw shaft
Stress in the assembly orientation of line, and when the bar portion of the screw arrives at second perforation across first perforation,
Second outside of the external screw thread unit oppress second inner edge of the internal thread unit with by ramp effect come
Expand second perforation so that the screw can continue to move along the assembly orientation, described in the screw
Until first plate body is arrived on head.
2. locked assembly according to claim 1, which is characterized in that the one end of the cylinder far from first plate body around
It the column axis and is divided into multiple elastic claws so that second perforation can be flexibly extended.
3. locked assembly according to claim 1, which is characterized in that first plate body is the circuit board of electronic device,
And the shell that second plate body is the electronic device.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510341246.XA CN106321577B (en) | 2015-06-18 | 2015-06-18 | Locked assembly |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510341246.XA CN106321577B (en) | 2015-06-18 | 2015-06-18 | Locked assembly |
Publications (2)
Publication Number | Publication Date |
---|---|
CN106321577A CN106321577A (en) | 2017-01-11 |
CN106321577B true CN106321577B (en) | 2018-07-13 |
Family
ID=57733599
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510341246.XA Active CN106321577B (en) | 2015-06-18 | 2015-06-18 | Locked assembly |
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CN (1) | CN106321577B (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108954238A (en) * | 2018-10-08 | 2018-12-07 | 江苏优为视界科技有限公司 | A kind of aluminum profile by national standard screw mounted lamp |
CN109356925B (en) * | 2018-11-12 | 2023-10-20 | 中铁工程装备集团有限公司 | Novel quick-insertion fastener and use method thereof |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201554745U (en) * | 2009-06-18 | 2010-08-18 | 亚细亚精密五金(苏州)有限公司 | Screw used for fastening iron plate |
DE102010023992A1 (en) * | 2010-06-16 | 2011-12-22 | Volkswagen Ag | Arrangement for fastening plastic bumper at supporting component of vehicle body of motor car, has screw bolt comprising thread outer dimension, which is larger than dimension of hole at plastic bumper |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4512991B2 (en) * | 2002-09-12 | 2010-07-28 | 株式会社リコー | Tapping screw |
JP2004204936A (en) * | 2002-12-25 | 2004-07-22 | Orion Denki Kk | Screw fastening structure of thin plate member |
JP6029810B2 (en) * | 2011-03-31 | 2016-11-24 | リンナイ株式会社 | Screw fastening structure |
-
2015
- 2015-06-18 CN CN201510341246.XA patent/CN106321577B/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201554745U (en) * | 2009-06-18 | 2010-08-18 | 亚细亚精密五金(苏州)有限公司 | Screw used for fastening iron plate |
DE102010023992A1 (en) * | 2010-06-16 | 2011-12-22 | Volkswagen Ag | Arrangement for fastening plastic bumper at supporting component of vehicle body of motor car, has screw bolt comprising thread outer dimension, which is larger than dimension of hole at plastic bumper |
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CN106321577A (en) | 2017-01-11 |
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