CN110005670A - A kind of fastening screw - Google Patents
A kind of fastening screw Download PDFInfo
- Publication number
- CN110005670A CN110005670A CN201910260991.XA CN201910260991A CN110005670A CN 110005670 A CN110005670 A CN 110005670A CN 201910260991 A CN201910260991 A CN 201910260991A CN 110005670 A CN110005670 A CN 110005670A
- Authority
- CN
- China
- Prior art keywords
- bolt
- nut
- fastening screw
- screw thread
- internal
- 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
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 238000010586 diagram Methods 0.000 description 9
- 238000005457 optimization Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 244000227633 Ocotea pretiosa Species 0.000 description 1
- 235000004263 Ocotea pretiosa Nutrition 0.000 description 1
- 235000008331 Pinus X rigitaeda Nutrition 0.000 description 1
- 235000011613 Pinus brutia Nutrition 0.000 description 1
- 241000018646 Pinus brutia Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000010425 asbestos Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002783 friction material Substances 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052895 riebeckite Inorganic materials 0.000 description 1
- 239000010959 steel Substances 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
- F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
- F16B7/04—Clamping or clipping connections
- F16B7/0406—Clamping or clipping connections for rods or tubes being coaxial
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
Abstract
The present invention relates to a kind of fastening screws, including bolt, nut, fixed cylinder；Nut leads to circular platform type in being integrally in, and inner sidewall is equipped with internal screw thread；Fixed cylinder leads to circular platform type in being in, and outer diameter is less than the internal diameter of nut, and internal diameter is greater than the diameter for being fixed shaft, is uniformly distributed several hole slots along its axial surface position；Screw cross-section is wedge shaped, and top is equipped with external screw thread, and the nut can be intermeshed with bolt by internal and external threads；Another bolt is divided into two parts up and down from intermediate position, wherein upper and lower two-part apparent surface is equipped with several grooves, is equipped with helical spring in groove, the bottom of the second bolt is additionally provided with frictional layer；Such structure makes the head for being fixed tubular articles not have to open silk, avoids the reduction that intensity is caused due to opening silk；There is helical spring in wedge bolt, the frictional force between pressure increase in resulting vertical direction screw thread can make to consolidate engagement between screw thread, not relax for a long time.
Description
Technical field
The invention belongs to setting tool fields, more particularly, to a kind of fastener areas.
Background technique
Traditional fastener includes bolt, nut etc., and being bolted is that machinery field commonly uses to obtain connection type, is built now
It builds in industry, the use of scaffold is very universal, but is connected using grafting or fastened by screw, such as according to spiral shell
Silk connection is generally also needed to get on the bus out screw thread in steel pipe, is attached using nut, but while vehicle goes out screw thread, is also made
Intensity at screw thread is less than intensity elsewhere far away, and it is long using deformation slight crack, pine can be easy to produce after the time
Situations such as dynamic, stripped thread, when use is also more inconvenience.
Summary of the invention
The object of the invention is that solve the above-mentioned problems and provide it is a kind of design it is reasonable, easy to use, performance compared with
Good fastening screw.
The present invention through the following technical solutions to achieve the above objectives:
A kind of fastening screw, including nut；The nut is integrally in middle through post body or stage body, and internal diameter is in round estrade,
Inner sidewall is equipped with internal screw thread, further includes fixed cylinder, the fixed cylinder is integrally in be less than with the consistent round estrade of nut, outer diameter
The internal diameter of nut, internal diameter are greater than the diameter of fixation, several hole slots, the hole are uniformly distributed along its axial surface position
Slot runs through fixed cylinder surface；Bolt is embedded in the hole slot, the bolt, cross section top is triangular in shape, and longitudinal section is in
It is trapezoidal, and top is equipped with external screw thread, and the nut and bolt are intermeshed by internal and external threads；The another bolt is divided into first
Bolt, second bolt two parts, and the first bolt is embedded in the second bolt, the apparent surface of another first bolt and the second bolt
Between be equipped with elastomeric element, the bottom of second bolt is additionally provided with frictional layer, and the face that frictional layer is contacted with fixated body
It is arranged to the face mutually coincideing.
As a further optimization solution of the present invention, the apparent surface of first bolt and the second bolt is equipped with several
A groove, elastomeric element are set in groove；The elastomeric element includes helical spring, gag lever post, position-limiting drum, the gag lever post with
Position-limiting drum is fixed at respectively in the groove of the first bolt and the second bolt, and the another helical spring is sheathed on position-limiting drum, is limited
Position cylinder is sheathed on gag lever post.
As a further optimization solution of the present invention, the elastomeric element further includes spacer pin；The spacer pin is located at recessed
Slot is on the inner sidewall of bottom.
As a further optimization solution of the present invention, the elastomeric element includes elastic slice, the top of several elastic slices
It is fixedly connected on the bottom surface of the first bolt.
As a further optimization solution of the present invention, the hole slot number is 6.
As a further optimization solution of the present invention, the shape of the hole slot is rectangle or trapezoidal.
As a further optimization solution of the present invention, the nut outer surfaces are six rib types or circular platform type, and on outer surface
It sets up defences slip layer.
The beneficial effects of the present invention are:
1) screw in the present invention is more convenient than existing fastener；
2) head for being fixed tubular articles does not have to open silk, avoids the reduction that intensity is caused due to opening silk；
3) there is helical spring in wedge bolt, the sassafras that rubs between pressure increase in resulting vertical direction screw thread
Power can make to consolidate engagement between screw thread, not relax for a long time.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is left view schematic diagram of the invention；
Fig. 3 is the horizontal section schematic diagram of bolt of the present invention；
Fig. 4 is the longitudinal profile schematic diagram of bolt of the present invention；
Fig. 5 is the partial enlarged view at the A of bolt of the present invention；
Fig. 6 is the structural schematic diagram of nut of the present invention；
Fig. 7 is the structural schematic diagram of fixed cylinder of the present invention；
Fig. 8 is the structural schematic diagram of the embodiment of the present invention 2；
Fig. 9 is the left view schematic diagram of the embodiment of the present invention 2；
Figure 10 is the bolt horizontal section schematic diagram of the embodiment of the present invention 2；
In figure: 1, nut；11, internal screw thread；12, anti-slip layer；2, bolt；21, external screw thread；22, the first bolt；23, second
Bolt；231, frictional layer；24, groove；25, elastomeric element；251, helical spring；252, gag lever post；253, position-limiting drum；254, it limits
Position pin；255, elastic slice；3, fixed cylinder；31, hole slot.
Specific embodiment
The application is described in further detail with reference to the accompanying drawing, it is necessary to it is indicated herein to be, implement in detail below
Mode is served only for that the application is further detailed, and should not be understood as the limitation to the application protection scope, the field
Technical staff can make some nonessential modifications and adaptations to the application according to above-mentioned application content.
Embodiment 1
A kind of fastening screw as shown in Figures 1 to 7, including bolt 2, nut 1；1 entirety of nut leads to circular platform type in being in,
Inner sidewall is equipped with internal screw thread 11；It also sets up defences on its outer surface slip layer 12；Further include fixed cylinder 3, the fixed cylinder 3 be in lead to circle
Stage body, outer diameter are less than the internal diameter of nut 1, and internal diameter is greater than the diameter of fixation, uniformly divides along its axial surface position
Several hole slots 31 of cloth, the hole slot 31 run through 3 surface of fixed cylinder；Bolt 2, projection of shape and hole slot 31 are consistent, and are respectively placed in
In several hole slots 31, cross section top is triangular in shape, and longitudinal section is trapezoidal, and top is equipped with external screw thread 21, and nut 1
It can be intermeshed by internal and external threads with bolt 2；Another bolt 2 is divided into the first bolt 22,23 two parts of the second bolt, and the first spiral shell
Bolt 22 is embedded in the second bolt 23, and elastomeric element 25 is equipped between another first bolt 22 and the apparent surface of the second bolt 23,
Wherein, the apparent surface of the first bolt 22 and the second bolt 23 is equipped with several grooves 24, and elastomeric element 25 is set to groove 24
It is interior；Elastomeric element 25 includes helical spring 251, gag lever post 252, position-limiting drum 253, spacer pin 254；Gag lever post 252 and position-limiting drum
253 are fixed at respectively in the groove 24 of the first bolt 22 and the second bolt 23, and another helical spring 251 is sheathed on position-limiting drum 253
On, position-limiting drum 253 is sheathed on gag lever post 252, and the spacer pin 254 is located at groove 24 on the inner sidewall of bottom；It is described
The bottom of second bolt 23 is additionally provided with frictional layer 231, and the face that frictional layer 231 is contacted with fixated body is arranged to mutually coincide
Face, increase with the contact area of fixation, prevent longitudinal sliding motion or laterally roll, frictional layer 231 is asbestos fibre
Friction material；
Embodiment 2
Further, the elastomeric element 25 between the first bolt 22 and the second bolt 23 is elastic slice 255, the top of elastic slice 255
Portion is fixedly connected on the bottom surface of the first bolt 22；And 1 outer surface of nut is hexagonal prism, securing objects are convenient in the design of more ribs
When, high-effective and labour-saving is non-slip.The working principle of the fastening screw:
Fixated body can be rod-like articles or columnar object, below by taking rod-like articles as an example；
1, in use, being fixed rod-like articles interface at two for 3 sets of fixed cylinder；
2, wedge bolt 2 is put into the hole slot 31 of fixed cylinder 3；
3, fixed rod-like articles are entangled into from small one end of fixed cylinder 3 in big one end of nut 1, then rotates spiral shell
Mother 1, the screw thread on nut 1 and wedge bolt 2 is intermeshed, since the diameter of nut 1 is descending, with the sliding of nut 1,
It is vertical to squeeze wedge bolt 2, it pushes bolt 2 gradually inwardly to squeeze, bolt 2 is made to hold rod-like articles, while elastic portion in bolt 2 tightly
Part 25 is compacted, and between the screw thread of the pressure increase in the vertical direction of generation, bolt 2 bottom and is fixed between rod-like articles
Frictional force, can make between screw thread consolidate engagement, be fixed rod-like articles for a long time will not relax, to compress fixation
Body achievees the purpose that fixed；And because the effect of elastomeric element 25 also mitigates a possibility that whole device is impaired, and rub
Layer 231 and the curved surface for being fixed the face that rod-like articles contact and being arranged to mutually coincide, increase and are fixed the contact surface of shaft
Product, also enhances fixed effect.
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.
Claims (7)
1. a kind of fastening screw, including nut (1)；The nut (1) is integrally in middle through post body or stage body, and internal diameter is in rotary table
Body, and inner sidewall is equipped with internal screw thread (11), it is characterised in that: it further include fixed cylinder (3), the fixed cylinder (3), entirety and spiral shell
Female (1) inner diameter shape is unanimously in round estrade, and outer diameter is less than the internal diameter of nut (1), and internal diameter, which is greater than, is fixed the straight of shaft
Diameter is uniformly distributed several hole slots (31) along its axial surface position, and the hole slot (31) runs through fixed cylinder (3) surface；It is described
It is embedded with bolt (2) in hole slot (31), the bolt (2), cross section top is triangular in shape, and longitudinal section is trapezoidal, and top
Equipped with external screw thread (21), and the nut (1) is intermeshed with bolt (2) by internal and external threads (11,21)；The another bolt
(2) it is divided into the first bolt (22), the second bolt (23) two parts, and the first bolt (22) is embedded in the second bolt (23), separately
Elastomeric element (25) are equipped between first bolt (22) and the apparent surface of the second bolt (23), the bottom of second bolt (23)
Portion is additionally provided with frictional layer (231), and the face that frictional layer (231) is contacted with fixated body is arranged to the face mutually coincideing.
2. a kind of fastening screw according to claim 1, it is characterised in that: first bolt (22) and the second bolt
(23) apparent surface is equipped with several grooves (24), and elastomeric element (25) is set in groove (24)；The elastomeric element
It (25) include helical spring (251), gag lever post (252), position-limiting drum (253), the gag lever post (253) and position-limiting drum (253) are divided
It is not fixed in the groove (24) of the first bolt (22) and the second bolt (23), the another helical spring (251) is sheathed on limit
On position cylinder (253), position-limiting drum set (253) is set on gag lever post (252).
3. a kind of fastening screw according to claim 2, it is characterised in that: the elastomeric element (25) further includes spacer pin
(254)；The spacer pin (254) is located at groove (24) on the inner sidewall of bottom.
4. a kind of fastening screw according to claim 1, it is characterised in that: the elastomeric element (25) includes elastic slice
(255), it is fixedly connected on the bottom surface of the first bolt (22) at the top of several described elastic slices (255).
5. a kind of fastening screw according to claim 1, it is characterised in that: hole slot (31) quantity is six.
6. a kind of fastening screw according to claim 1, it is characterised in that: the shape of the hole slot (31) be rectangle or
It is trapezoidal.
7. a kind of fastening screw according to claim 1, it is characterised in that: nut (1) outer surface be six rib types or
Circular platform type, and slip layer (12) are set up defences thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910260991.XA CN110005670B (en) | 2019-04-02 | 2019-04-02 | Fastening screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910260991.XA CN110005670B (en) | 2019-04-02 | 2019-04-02 | Fastening screw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110005670A true CN110005670A (en) | 2019-07-12 |
| CN110005670B CN110005670B (en) | 2023-12-19 |
Family
ID=67169406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910260991.XA Active CN110005670B (en) | 2019-04-02 | 2019-04-02 | Fastening screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110005670B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114042980A (en) * | 2021-11-26 | 2022-02-15 | 南京伟舜机电有限公司 | Milling head structure for numerically controlled milling machine |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1330320A (en) * | 1970-10-12 | 1973-09-19 | Mac Lean Fogg Lock Nut Co | Fastener assemblies |
| JPH0285522A (en) * | 1988-08-18 | 1990-03-27 | Japan Metals & Chem Co Ltd | Hard member abutting joint method and connector |
| US4941787A (en) * | 1989-10-05 | 1990-07-17 | Consulier Industries, Inc. | Locking mechanism for fastener |
| CN103527583A (en) * | 2013-11-01 | 2014-01-22 | 中山市思锐摄影器材工业有限公司 | Rapid-connection locking device |
| CN108869509A (en) * | 2018-09-03 | 2018-11-23 | 杨富云 | A kind of fastener locking method and its vibrationproof bolt |
| CN210343947U (en) * | 2019-04-02 | 2020-04-17 | 安徽思帕德信息技术有限公司 | Fastening screw |
-
2019
- 2019-04-02 CN CN201910260991.XA patent/CN110005670B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1330320A (en) * | 1970-10-12 | 1973-09-19 | Mac Lean Fogg Lock Nut Co | Fastener assemblies |
| JPH0285522A (en) * | 1988-08-18 | 1990-03-27 | Japan Metals & Chem Co Ltd | Hard member abutting joint method and connector |
| US4941787A (en) * | 1989-10-05 | 1990-07-17 | Consulier Industries, Inc. | Locking mechanism for fastener |
| CN103527583A (en) * | 2013-11-01 | 2014-01-22 | 中山市思锐摄影器材工业有限公司 | Rapid-connection locking device |
| CN108869509A (en) * | 2018-09-03 | 2018-11-23 | 杨富云 | A kind of fastener locking method and its vibrationproof bolt |
| CN210343947U (en) * | 2019-04-02 | 2020-04-17 | 安徽思帕德信息技术有限公司 | Fastening screw |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114042980A (en) * | 2021-11-26 | 2022-02-15 | 南京伟舜机电有限公司 | Milling head structure for numerically controlled milling machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110005670B (en) | 2023-12-19 |
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