CN207178429U - A kind of anti-drop screw structure - Google Patents
A kind of anti-drop screw structure Download PDFInfo
- Publication number
- CN207178429U CN207178429U CN201721187261.4U CN201721187261U CN207178429U CN 207178429 U CN207178429 U CN 207178429U CN 201721187261 U CN201721187261 U CN 201721187261U CN 207178429 U CN207178429 U CN 207178429U
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- Prior art keywords
- screw
- nut
- bolt
- fastening
- screw hole
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- 230000008878 coupling Effects 0.000 claims abstract description 19
- 238000010168 coupling process Methods 0.000 claims abstract description 19
- 238000005859 coupling reaction Methods 0.000 claims abstract description 19
- 230000000694 effects Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910000975 Carbon steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- -1 high intensity Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model discloses a kind of anti-drop screw structure, including connecting bolt and trip bolt, the connecting bolt includes connecting screw and coupling nut, one end of the connecting screw and the coupling nut integrally connected, the surface of the connecting screw sets external screw thread, attaching nut is movably installed with the connecting bolt, the attaching nut is connected through a screw thread with the connecting bolt, the screw hole being internally provided with along connecting screw axis direction of the connecting screw, the connecting screw offers some flutings in the axial direction, the fluting is extended in screw hole, the screw hole is internally provided with internal thread, trip bolt is movably installed with the screw hole, the trip bolt includes fastening screw and fastening nut, one end of the fastening screw and the fastening nut integrally connected.The utility model can prevent coupling nut from being come off from connecting bolt available for fields such as automobile, machineries, have the advantages that simple in construction, using effect is good.
Description
Technical field
Machine components technical field is the utility model is related to, specially a kind of anti-drop screw structure.
Background technology
Nut is exactly coupling nut, and the part for playing the role of fastening, Suo Yousheng are threaded together with bolt or connecting screw
Production manufacture machinery must a kind of element.The species of nut is various, and we common are national standard, moral mark, Ying Biao, American Standard, day
Target nut.Nut is divided into several big types such as carbon steel, high intensity, stainless steel, plastic-steel according to the difference of material.According to product category
Property corresponding country different standard No. be divided into common, nonstandard, national standard, new national standard, made in U.S.A, made in Great Britain, moral mark.It is of different sizes, screw thread
Different specifications is not divided into.General national standard, moral mark are represented with M, made in U.S.A, made in Great Britain, with fraction or # represent specification nut be by
The part that plant equipment closely connects, by the screw thread of inner side, equivalent specifications nut and screw, it can just link together.
It is intersection point of concern that screw check all the time is de-, and the locking of nut has very important meaning to present life
Justice, because it directly affects the service life of machine, therefore, also there is very important meaning to the life security of people, at present
Technical staff realizes that the anti-of nut is sent by changing the material of nut and the method for increase clamp nut, but these methods can not
More spaces are occupied while tackling the problem at its root, and increase clamp nut.
Utility model content
The purpose of this utility model is to provide a kind of anti-drop screw structure, asked with solve to propose in above-mentioned background technology
Topic.
To achieve the above object, the utility model provides following technical scheme：A kind of anti-drop screw structure, including connection spiral shell
Bolt and trip bolt, the connecting bolt include connecting screw and coupling nut, one end of the connecting screw and the connection
Nut integrally connected, the surface of the connecting screw set external screw thread, are movably installed with attaching nut on the connecting bolt, institute
State attaching nut to be connected through a screw thread with the connecting bolt, the connecting screw is internally provided with along connecting screw axis side
To screw hole, the connecting screw offers some flutings in the axial direction, and extending in screw hole for the fluting is described
Screw hole is internally provided with internal thread, and trip bolt is movably installed with the screw hole, and the trip bolt includes fastening spiral shell
Bar and fastening nut, one end of the fastening screw and the fastening nut integrally connected, the trip bolt pass through screw hole
It is threadedly coupled with the connecting bolt.
Preferably, the coupling nut is hexagonal coupling nut.
Preferably, the attaching nut is hex nut.
Preferably, one end of the screw hole is set for open type.
Preferably, the fastening nut is interior hexagonal (hexagon)nut.
Compared with prior art, the beneficial effects of the utility model are：
1st, the utility model passes through the screw hole being internally provided with along connecting screw axis direction in connecting screw, screw
Trip bolt is movably installed with hole, connecting screw offers some flutings in the axial direction, in use, first by coupling nut
Trip bolt is installed on connecting bolt, then in one end of connecting bolt, during trip bolt is tightened, connects spiral shell
Bar is expanded close to the one end for tightening trip bolt, so as to prevent coupling nut from being come off from connecting bolt.
2nd, for the utility model using simply, easy for installation, significant effect is easy to disassemble, it is not necessary to unnecessary space is taken,
It is easy to implement, available for fields such as automobile, machinery, electronics, Aero-Space, has the advantages that simple in construction, using effect is good.
Brief description of the drawings
Fig. 1 is a kind of anti-drop screw structure overall structure diagram of the utility model；
Fig. 2 is A-A diagrammatic cross-sections in a kind of anti-drop screw structure chart 1 of the utility model.
In figure：1- connecting bolts；11- coupling nuts；12- connecting screws；121- slots；122- screw holes；2- coordinates spiral shell
It is female；3- trip bolts；31- fastening screws；32- fastening nuts.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out
Clearly and completely describing, it is clear that described embodiment is only the utility model part of the embodiment, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belong to the scope of the utility model protection.
Fig. 1-2 is referred to, the utility model provides a kind of technical scheme：A kind of anti-drop screw structure, including connecting bolt 1
With trip bolt 3, the connecting bolt 1 includes connecting screw 12 and coupling nut 11, one end of the connecting screw 12 and institute
The integrally connected of coupling nut 11 is stated, the surface of the connecting screw 12 sets external screw thread, is movably installed with the connecting bolt 1
Attaching nut 2, the attaching nut 2 are connected through a screw thread with the connecting bolt 1, and the connecting screw 12 is internally provided with
Along the screw hole 122 of the axis direction of connecting screw 12, the connecting screw 12 offers some flutings 121, institute in the axial direction
Extending in screw hole 122 for fluting 121 is stated, the screw hole 122 is internally provided with internal thread, lived in the screw hole 122
Dynamic to be provided with trip bolt 3, the trip bolt 3 includes fastening screw 31 and fastening nut 32, and the one of the fastening screw 31
End and the integrally connected of fastening nut 32, the trip bolt 3 are threadedly coupled by screw hole 122 with the connecting bolt 1.
The coupling nut 11 is hexagonal coupling nut, hex nut and screw, bolt, and screw mutually arrives the use coordinated,
Play connection fastening mechanism；The attaching nut 2 is hex nut, and hex nut uses with bolt, screw fit, plays connection
Fastening mechanism acts on；One end of the screw hole 122 is set for open type, for mounting screw holes 122；The fastening nut 32
For interior hexagonal (hexagon)nut, it is easy to fasten, dismantles, it is not easy to the advantage such as sliding angle.
Operation principle：The utility model passes through being internally provided with along the axis direction of connecting screw 12 in connecting screw 12
Screw hole 122, trip bolt 3 is movably installed with screw hole 122, connecting screw 12 offers some flutings in the axial direction
121, in use, coupling nut 11 is arranged on connecting bolt 1 first, then trip bolt is installed in one end of connecting bolt 1
3, during trip bolt 3 is tightened, connecting screw 12 is expanded close to the one end for tightening trip bolt 3, so as to
It is easy to disassemble using simple, easy for installation, significant effect to prevent coupling nut 11 from being come off from connecting bolt 1, it is not necessary to
Unnecessary space is taken, is easy to implement, available for fields such as automobile, machinery, electronics, Aero-Space, there is simple in construction, use
The advantages that effect is good.
It should be noted that herein, such as first and second or the like relational terms are used merely to a reality
Body or operation make a distinction with another entity or operation, and not necessarily require or imply and deposited between these entities or operation
In any this actual relation or order.Moreover, term " comprising ", "comprising" or its any other variant are intended to
Nonexcludability includes, so that process, method, article or equipment including a series of elements not only will including those
Element, but also the other element including being not expressly set out, or it is this process, method, article or equipment also to include
Intrinsic key element.In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that
Other identical element also be present in process, method, article or equipment including the key element.
While there has been shown and described that embodiment of the present utility model, for the ordinary skill in the art,
It is appreciated that these embodiments can be carried out with a variety of changes in the case where not departing from principle of the present utility model and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of anti-drop screw structure, including connecting bolt (1) and trip bolt (3), it is characterised in that：The connecting bolt
(1) connecting screw (12) and coupling nut (11), one end of the connecting screw (12) and the coupling nut (11) one are included
Body connects, and the surface of the connecting screw (12) sets external screw thread, and attaching nut is movably installed with the connecting bolt (1)
(2), the attaching nut (2) is connected through a screw thread with the connecting bolt (1), and connecting screw (12) are internally provided with
Along the screw hole (122) of connecting screw (12) axis direction, the connecting screw (12) offers some flutings in the axial direction
(121), the fluting (121) is extended in screw hole (122), and the screw hole (122) is internally provided with internal thread, described
Trip bolt (3) is movably installed with screw hole (122), the trip bolt (3) includes fastening screw (31) and fastening nut
(32), one end of the fastening screw (31) and the fastening nut (32) integrally connected, the trip bolt (3) pass through screw
Hole (122) is threadedly coupled with the connecting bolt (1).
A kind of 2. anti-drop screw structure according to claim 1, it is characterised in that：The coupling nut (11) connects for hexagonal
Connect nut.
A kind of 3. anti-drop screw structure according to claim 1, it is characterised in that：The attaching nut (2) is hexagonal spiral shell
It is female.
A kind of 4. anti-drop screw structure according to claim 1, it is characterised in that：One end of the screw hole (122) is
Open type is set.
A kind of 5. anti-drop screw structure according to claim 1, it is characterised in that：The fastening nut (32) is interior hexagonal
Nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721187261.4U CN207178429U (en) | 2017-09-16 | 2017-09-16 | A kind of anti-drop screw structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721187261.4U CN207178429U (en) | 2017-09-16 | 2017-09-16 | A kind of anti-drop screw structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207178429U true CN207178429U (en) | 2018-04-03 |
Family
ID=61746563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721187261.4U Expired - Fee Related CN207178429U (en) | 2017-09-16 | 2017-09-16 | A kind of anti-drop screw structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207178429U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307232A (en) * | 2019-07-03 | 2019-10-08 | 王仲文 | A kind of screw for preventing from loosening |
-
2017
- 2017-09-16 CN CN201721187261.4U patent/CN207178429U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307232A (en) * | 2019-07-03 | 2019-10-08 | 王仲文 | A kind of screw for preventing from loosening |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180403 |