CN108644221A - A kind of anti-dropout screw - Google Patents
A kind of anti-dropout screw Download PDFInfo
- Publication number
- CN108644221A CN108644221A CN201810430598.6A CN201810430598A CN108644221A CN 108644221 A CN108644221 A CN 108644221A CN 201810430598 A CN201810430598 A CN 201810430598A CN 108644221 A CN108644221 A CN 108644221A
- Authority
- CN
- China
- Prior art keywords
- screw
- hole
- nail
- plug connector
- nail hole
- 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.)
- Granted
Links
- 238000003825 pressing Methods 0.000 claims abstract description 13
- 239000004579 marble Substances 0.000 claims description 20
- 238000009434 installation Methods 0.000 claims description 12
- 238000005266 casting Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
- 240000007643 Phytolacca americana Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000001179 sorption measurement Methods 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
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
- F16B41/002—Measures against loss of bolts, nuts or pins
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
- Surgical Instruments (AREA)
Abstract
The present invention provides a kind of anti-dropout screw, including screw assembly and anti-drop assembly, the screw assembly includes screw and the head of a nail；The head of a nail have perforation thereon, the nail hole of lower face, the tip of the screw passes through the nail hole to stretch out the head of a nail, and the flush end of the screw is fastened in the nail hole；The anti-drop assembly has plug connector, elastic component and pressing piece；The plug connector has the lumen orifice of perforation, and one end is inserted terminal, which is inserted into the nail hole, and the inserted terminal is equipped with hole；The lumen orifice in the plug connector is arranged in the elastic component, and described hole can be passed through to be clamped with the nail hole；The pressing piece is arranged on the plug connector, pushes the elastic component to be lifted in the lumen orifice of the plug connector so that the elastic component is clamped or falls off with the nail hole, so that the anti-drop assembly connect or falls off with the screw assembly.
Description
Technical field
The present invention relates to screw technique fields, and in particular, to a kind of anti-dropout screw.
Background technology
Screw is widely used in for being fixedly connected with object in various mechanical equipments.Conventional bolt structure include rivet nut and
Tip positioned at rivet nut both ends and flush end.Linear type or criss-cross groove are typically provided on flush end, consequently facilitating screwdriver is pacified
Assembly and disassembly screw.However, when this screw installation, taken by hand by passing through, the tip of screw is than sharp, usually
Poke human hand.In order to solve the technical problem, people, plus magnetism, are taken in the tip material of screwdriver by magnetic-adsorption
Screw.Although this solves the problems, such as to take screw by hand to a certain extent, however, screw is easily fallen from screwdriver,
Produce new technical problem.In particular, using and popularizing with automation equipment, automatic locking screw machine is gradually available for producing,
Automatic locking screw machine takes screw by manipulator, and screw easily falls off.For this reason, it is necessary to screw be improved, to adapt to automate
Lock the requirement of screw.
Invention content
For overcome the deficiencies in the prior art, the present invention provides a kind of anti-dropout screws, including screw assembly and anticreep
Component prevents toner screw by anti-drop assembly, easy to use to conveniently take.
Technical scheme is as follows：A kind of anti-dropout screw, including screw assembly and anti-drop assembly, the screw group
Part includes screw and the head of a nail；The head of a nail have perforation thereon, the nail hole of lower face, the tip of the screw passes through the nail hole
The head of a nail is stretched out, the flush end of the screw is fastened in the nail hole；The anti-drop assembly has plug connector, elastic component and presses
Casting die；The plug connector has the lumen orifice of perforation, and one end is inserted terminal, which is inserted into the nail hole, and the grafting
End is equipped with hole；The lumen orifice in the plug connector is arranged in the elastic component, and can pass through described hole and the nail hole card
It connects；The pressing piece is arranged on the plug connector, and the elastic component is pushed to be lifted in the lumen orifice of the plug connector so that
The elastic component is clamped or falls off with the nail hole, so that the anti-drop assembly connect or falls off with the screw assembly.
The plug connector also has and the integrally formed installation end of the inserted terminal；The elastic component includes lifting column, bullet
Spring and multiple marble；The lifting column is arranged in the lumen orifice of the plug connector, and top is set as conical tip, under
Portion is the first cylinder, and the bottom end of the lifting column is that the second cylinder, second cylinder and first cylinder pass through a connection
Column connects, which digs the avoiding hollow groove that section is in semicircular arc；First cylindrical cavity upper end is equipped with the upper limit
Position platform, inner cavity bottom end are equipped with lower limit platform, and the spring, which is set in outside first cylinder, is located at the first cylinder and the installation
Between end, the spring top abuts the conical tip, and the spring bottom abuts the lower limit platform；The marble card
It is located between the lifting column and the hole of the plug connector, described hole is stretched out in part, is clamped the nail hole.
Preferably, the pressing piece includes mounting plate and sliding part, the mounting plate is fixedly sheathed in the installation end；Institute
Stating sliding setting on mounting plate, there are two the sliding parts；The conical tip stretches out the lumen orifice and is located at two slidings
Between part；It is opposite that two sliding parts, two sliding parts is pushed to press the conical tip so that under the lifting column
Drop, the spring-compressed, the avoiding hollow groove drop to the marble position, and the marble enter the avoiding hollow groove, to disconnect
With the clamping of the nail hole, the plug connector falls off from the nail hole；The sliding part is unclamped, the spring elongation pushes institute
State lifting column rising, the avoiding hollow groove rises therewith, to the second cylinder extruding marble, make its at described hole to
Outside.
Preferably, the pressing piece further includes a pressure cap, the pressure cap covers the mounting plate and the sliding part,
And the pressure cap is respectively set to empty avoiding in opposite both sides so that exposes the pressure cap in the part of two sliding parts.
Preferably, the sliding part is set as inclined-plane close to the side of the conical tip.
Preferably, the inserted terminal outer cover of the plug connector is equipped with elastic ring, and each hole is being corresponded on the elastic ring
Limit hole is equipped at hole.
Preferably, there is the nail hole plug division and nail portion, the flush end of the screw to be fastened on the nail portion；The grafting
The inner wall in portion is equipped with arc-shaped ring groove；The marble part is placed in the arc-shaped ring groove, to be clamped with the nail hole.
Beneficial effects of the present invention are：Anti-dropout screw, including screw assembly and anti-drop assembly, are prevented by anti-drop assembly
Toner screw, it is easy to use to conveniently take.
Description of the drawings：
Fig. 1 is the structural schematic diagram of anti-dropout screw of the present invention.
Fig. 2 is the decomposition texture schematic diagram of anti-dropout screw shown in Fig. 1.
Fig. 3 is the positive schematic diagram of anti-dropout screw of the present invention.
Fig. 4 is the sectional view of anti-dropout screw shown in Fig. 3.
Fig. 5 is the assembly structure diagram of anti-dropout screw of the present invention.
Fig. 6 is the sectional view of anti-dropout screw shown in Fig. 5.
Specific implementation mode
In order to make the goal of the invention of the present invention, technical solution and technique effect are more clearly understood, with reference to specific reality
Applying mode, the present invention is described further.It should be understood that specific embodiment described herein, be only used for explaining the present invention,
It is not intended to limit the present invention.
Referring to Fig.1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, a kind of anti-dropout screw, including screw assembly 100 and anti-drop assembly
200, the screw assembly includes screw 110 and the head of a nail 120.
The screw has rivet nut 111 and the nail tip 112 and flush end 113 at 111 both ends of rivet nut.The head of a nail 120 has
Perforation thereon, the nail hole of lower face 121, the tip 112 of the screw 110 stretches out the head of a nail 120 across the nail hole 121,
The flush end 113 of the screw 110 is fastened in the nail hole 121.
The anti-drop assembly 200 has plug connector 210, elastic component 220 and pressing piece 230.The plug connector 210, which has, to be passed through
Logical lumen orifice 201, one end are inserted terminal 211, which is inserted into the nail hole 121, and is set on the inserted terminal 211
There are multiple holes 212.The number of the hole 212 is at least 2 or 2 or more.Described hole 212 is uniformly and symmetrically distributed described
On inserted terminal 211.
The lumen orifice 201 in the plug connector 210 is arranged in the elastic component 220, and described hole 212 can be passed through to be clamped
The nail hole 121.The pressing piece 230 is arranged on the plug connector 210, pushes the elastic component 220 in the plug connector
It is lifted in 210 lumen orifice 201 so that the elastic component 220 is clamped or falls off with the nail hole 121, so that described anti-
De- component 200 connect or falls off with the screw assembly 100.
In a preferred embodiment of the invention, the plug connector 210 also has and 211 integrally formed peace of the inserted terminal
Fill end 213.As shown, the inserted terminal 211 and the installation end 213 are cylindrical shape, the outer diameter of the installation end 213 is big
In the outer diameter of the inserted terminal 211.The inner cavity top of the installation end 213 is equipped with upper limit platform 2121, and lower part is equipped with lower limit
Platform 2122.Preferably, the outer cover of the inserted terminal 211 is equipped with elastic ring 214, which is equipped with the notch of S-shaped
215, so that the elastic ring 214 is easily installed in the inserted terminal 211 or is dismantled from the inserted terminal 211.It should be understood that
The notch 215 may be set to be other shapes.One is equipped on the elastic ring 214 at each described hole of correspondence 212
Limit hole 215.
The elastic component 220 includes lifting column 221, spring 222 and multiple marble 223.The lifting column 221 is arranged in institute
In the lumen orifice 201 for stating plug connector 211, top is set as conical tip 2211, and 2211 lower part of the conical tip is
The bottom end of first cylinder 2212, the lifting column 221 is the second cylinder 2214, second cylinder 2214 and first cylinder
2212 are connected by a connecting pole 2213, which digs the avoiding hollow groove 2215 that section is in semicircular arc.
The spring 222 be set in outside first cylinder 2212 be located at the first cylinder 2212 and the installation end 213 it
Between, 222 top of the spring abuts the conical tip 2211, and 222 bottom of the spring abuts the lower limit platform 2122.
The marble 223 are fastened between the lifting column 221 and the hole 212 of the plug connector 211, and the bullet
A part for ball 223 stretches out described hole 212, is clamped the nail hole 121.
The pressing piece 230 includes mounting plate 231 and sliding part 232, and the mounting plate 231 is fixedly sheathed in the installation
End 213；There are two the sliding parts 232 for sliding setting on the mounting plate 231；The conical tip 2211 is stretched out in described
Lumen pore 201, and between two sliding parts 232.Preferably, the sliding part 232 is close to the conical tip 2211
Side, be set as inclined-plane 2321.
Preferably, the pressing piece 230 further includes a pressure cap 233, the pressure cap 233 covers the mounting plate 231
With the sliding part 232, and the pressure cap 233 is respectively set to clearance position 2331 in opposite both sides so that two cunnings
Expose the pressure cap 233 in the part of moving part 232.
Preferably, there is the nail hole 121 plug division 1211 and nail portion 1212, the flush end 112 of the screw 110 to be fastened on
The nail portion 1212；The inner wall of the plug division 1211 is equipped with arc-shaped ring groove 1213；223 part of the marble is placed in described
Arc-shaped ring groove 1213, to be clamped with the nail hole.
It is opposite to push two sliding parts 232, two sliding parts when plug connector 210 falls off from the nail hole 121
232 squeeze the conical tip 2211 so that the lifting column 221 declines, and 222 one end of the spring abuts the cone
Top 2211, the other end abut the lower limit platform 2122, and to compress, the avoiding hollow groove 2215 drops to the marble 223
Position, the marble 223 enter the avoiding hollow groove 2215, to disconnect the clamping with the nail hole, so that the grafting
Part 210 falls off from the nail hole 121.When the plug connector 210 is inserted into the nail hole 121, the sliding part 232 is unclamped, it is described
Spring 222 restores from compressive state, and the conical tip 2211 is pushed to rise, and the lifting column 221 rises, the avoiding hollow groove
2215 rise therewith, and second cylinder 2214 rises at 223 position of the marble, squeezes the marble 223, to
The marble 223 are squeezed to through described hole 212 and the limit hole 215, the arc-shaped ring groove 1213 is partly placed in, from
And it realizes the screw assembly 100 and the anticreep of the anti-drop assembly 200 and connects.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that
The specific implementation of the present invention is confined to these explanations.For those of ordinary skill in the art to which the present invention belongs, exist
Under the premise of not departing from present inventive concept, architectural form cans be flexible and changeable, can be with derivative series product.It only makes several
Simple deduction or replace all shall be regarded as belonging to present invention scope of patent protection determined by the appended claims.
Claims (7)
1. a kind of anti-dropout screw, including screw assembly and anti-drop assembly, it is characterised in that：The screw assembly include screw and
The head of a nail；The head of a nail have perforation thereon, the nail hole of lower face, the tip of the screw passes through the nail hole to stretch out the nail
The flush end of cap, the screw is fastened in the nail hole；The anti-drop assembly has plug connector, elastic component and pressing piece；It is described
Plug connector has the lumen orifice of perforation, and one end is inserted terminal, which is inserted into the nail hole, and the inserted terminal is equipped with hole
Hole；The lumen orifice in the plug connector is arranged in the elastic component, and described hole can be passed through to be clamped with the nail hole；It is described to press
Casting die is arranged on the plug connector, pushes the elastic component to be lifted in the lumen orifice of the plug connector so that the elasticity
Part is clamped or falls off with the nail hole, so that the anti-drop assembly connect or falls off with the screw assembly.
2. anti-dropout screw as described in claim 1, it is characterised in that：The plug connector also has and inserted terminal one
Molding installation end；The elastic component includes lifting column, spring and multiple marble；The lifting column is arranged in the plug connector
In lumen orifice, top is set as conical tip, and its underpart is the first cylinder, and the bottom end of the lifting column is the second cylinder,
Second cylinder is connected with first cylinder by a connecting pole, which digs section in semicircular arc
Avoiding hollow groove；First cylinder bottom end is equipped with limiting stand, the spring be set in outside first cylinder be located at the first cylinder and
Between the installation end, the spring top abuts the conical tip, and the spring bottom abuts the limiting stand；It is described
Marble are fastened between the lifting column and the hole of the plug connector, and described hole is stretched out in part, is clamped the nail hole.
3. anti-dropout screw as claimed in claim 2, it is characterised in that：The pressing piece includes mounting plate and sliding part, institute
It states mounting plate and is fixedly sheathed in the installation end；There are two the sliding parts for sliding setting on the mounting plate；The cone
The lumen orifice is stretched out between two sliding parts in top；It is opposite to push two sliding parts, the two sliding part pressings
The conical tip so that the lifting column declines, and the spring-compressed, the avoiding hollow groove drops to the marble position,
The marble enter the avoiding hollow groove, and to disconnect the clamping with the nail hole, the plug connector falls off from the nail hole；It unclamps
The sliding part, the spring elongation, pushes the lifting column to rise, and the avoiding hollow groove rises therewith, to the second cylinder
The marble are squeezed, keep it outside at described hole.
4. anti-dropout screw as claimed in claim 3, it is characterised in that：The pressing piece further includes a pressure cap, described to press
Pressure cap covers the mounting plate and the sliding part, and the pressure cap is respectively set to empty avoiding in opposite both sides so that two
Expose the pressure cap in the part of the sliding part.
5. anti-dropout screw as claimed in claim 3, it is characterised in that：The sliding part close to the conical tip one
Side is set as inclined-plane.
6. anti-dropout screw as claimed in claim 3, it is characterised in that：The inserted terminal outer cover of the plug connector is equipped with elasticity
Ring is equipped with limit hole on the elastic ring at each described hole of correspondence.
7. anti-dropout screw as claimed in claim 3, it is characterised in that：The nail hole has plug division and nail portion, the spiral shell
The flush end of nail is fastened on the nail portion；The inner wall of the plug division is equipped with arc-shaped ring groove；The marble part is placed in described
Arc-shaped ring groove, to be clamped with the nail hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810430598.6A CN108644221B (en) | 2018-05-08 | 2018-05-08 | Anti-drop screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810430598.6A CN108644221B (en) | 2018-05-08 | 2018-05-08 | Anti-drop screw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108644221A true CN108644221A (en) | 2018-10-12 |
| CN108644221B CN108644221B (en) | 2020-10-27 |
Family
ID=63749790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810430598.6A Active CN108644221B (en) | 2018-05-08 | 2018-05-08 | Anti-drop screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108644221B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723903A (en) * | 2019-01-24 | 2019-05-07 | 浙江凯拓机电有限公司 | A kind of lock valve |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5718960U (en) * | 1980-06-30 | 1982-01-30 | ||
| KR20100003393U (en) * | 2008-09-19 | 2010-03-29 | 유승범 | Jointer with locking function and tool for its use |
| US20130149027A1 (en) * | 2011-12-09 | 2013-06-13 | Ying-Mo Lin | Quick release extension rod with a positioning structure |
| TW201432166A (en) * | 2013-02-01 | 2014-08-16 | Sol Full Internat Co Ltd | Bolt and wrench mating the bolt |
| CN104314954A (en) * | 2014-08-15 | 2015-01-28 | 中国航空工业集团公司沈阳发动机设计研究所 | Falling-off prevention connecting and fastening structure |
| CN208281341U (en) * | 2018-05-08 | 2018-12-25 | 东莞市华锦礼品有限公司 | A kind of anti-dropout screw |
-
2018
- 2018-05-08 CN CN201810430598.6A patent/CN108644221B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5718960U (en) * | 1980-06-30 | 1982-01-30 | ||
| KR20100003393U (en) * | 2008-09-19 | 2010-03-29 | 유승범 | Jointer with locking function and tool for its use |
| US20130149027A1 (en) * | 2011-12-09 | 2013-06-13 | Ying-Mo Lin | Quick release extension rod with a positioning structure |
| TW201432166A (en) * | 2013-02-01 | 2014-08-16 | Sol Full Internat Co Ltd | Bolt and wrench mating the bolt |
| CN104314954A (en) * | 2014-08-15 | 2015-01-28 | 中国航空工业集团公司沈阳发动机设计研究所 | Falling-off prevention connecting and fastening structure |
| CN208281341U (en) * | 2018-05-08 | 2018-12-25 | 东莞市华锦礼品有限公司 | A kind of anti-dropout screw |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109723903A (en) * | 2019-01-24 | 2019-05-07 | 浙江凯拓机电有限公司 | A kind of lock valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108644221B (en) | 2020-10-27 |
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