CN110081061A - Nuclear power metal fastenings - Google Patents
Nuclear power metal fastenings Download PDFInfo
- Publication number
- CN110081061A CN110081061A CN201910336409.3A CN201910336409A CN110081061A CN 110081061 A CN110081061 A CN 110081061A CN 201910336409 A CN201910336409 A CN 201910336409A CN 110081061 A CN110081061 A CN 110081061A
- Authority
- CN
- China
- Prior art keywords
- screw rod
- external screw
- nut
- nuclear power
- cross keyway
- 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.)
- Pending
Links
- 239000002184 metal Substances 0.000 title claims abstract description 13
- 238000003466 welding Methods 0.000 claims description 12
- 238000005299 abrasion Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 2
- 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
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method 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
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
- F16B23/0023—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool substantially cross-shaped
-
- 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
- F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
- F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool
- F16B23/0038—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool substantially prismatic with up to six edges, e.g. triangular, square, pentagonal, Allen-type cross-sections
-
- 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
- F16B35/02—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws divided longitudinally
-
- 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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Springs (AREA)
Abstract
The invention discloses a kind of nuclear power metal fastenings, belong to technical field of fastening, including external screw rod, the top of the external screw rod is provided with six square nuts, and external screw rod is internally provided with inner screw, the front surface of the external screw rod is provided with through slot, and the inner wall of external screw rod is provided with sliding slot, and the inner screw runs through the inside of six square nuts and is connected with top nut.Lower cross keyway, lower nut, inner screw, external screw rod, top nut, upper cross keyway, top nut and the six square nuts that the present invention passes through setting, when needing to fasten nuclear power generating equipment, lower cross keyway is rotated using Phillips screwdriver, lower cross keyway drives lower nut that inner screw is rotatably inserted into external screw rod, when the top of inner screw is higher than six square nuts, upper cross keyway is rotated using Phillips screwdriver, upper cross keyway drives top nut that inner screw and six square nuts are carried out clamping, solves the problems, such as that fastener is not connected firmly.
Description
Technical field
The present invention relates to technical field of fastening, specially a kind of nuclear power metal fastenings.
Background technique
Fastener is to be fastenedly connected with and apply extremely wide a kind of machine components；Fastener, it is wide using industry
It is general, including the energy, electronics, electric appliance, machinery, chemical industry, metallurgy, mold, hydraulic etc. industry, various machinery, equipment, vehicle,
Above ship, railway, bridge, building, structure, tool, instrument, chemical industry, instrument and articles etc., it can be seen that miscellaneous
Fastener is most widely used mechanical basic part.
In the connection of nuclear power generating equipment, need using to a large amount of fastener, current fastener generally use screw rod and
The phenomenon that nut is fixedly connected, but this mode is easy to appear screw rod stripped thread, so that fastener is easy to appear showing of falling off
As existing fastener is easy to cause fastener to loosen because of multiple disassembly, and the connection between nuclear power generating equipment is caused pine occur
It is dynamic, its safety is influenced, after fastener long-time use, surface gets rusty easily abrasion, leads to the use longevity of fastener
The case where ordering low, and the fastener inconvenience disassembly after getting rusty, being easy to appear fracture.
Summary of the invention
It is an object of the invention to: it is not connected firmly to solve fastener, repeatedly dismantles and cause fastener to loosen, tight
Firmware matrix face gets rusty easily abrasion so that the low problem of the service life of fastener, provides a kind of core electric metal fastening
Part.
To achieve the above object, the invention provides the following technical scheme: a kind of nuclear power metal fastenings, including outer spiral shell
Bar, the top of the external screw rod be provided with six square nuts, and external screw rod is internally provided with inner screw, the preceding table of the external screw rod
Face is provided with through slot, and the inner wall of external screw rod is provided with sliding slot, and the inner screw runs through the inside of six square nuts and is connected with
Nut, the top of the top nut are provided with cross keyway, and the bottom end of the inner screw is connected with lower nut, the lower nut
Bottom end be provided with lower cross keyway, the sliding slot is internally provided with spring, and the side of the spring is connected with baffle, described
Slide bar is provided on the inside of baffle.
Preferably, the inner wall of the external screw rod is provided with screw thread corresponding with inner screw, and external screw rod and six square nuts
It is fixedly connected by welding.
Preferably, the upper cross keyway is fixedly connected by welding with top nut, the lower cross keyway and lower nut
It is fixedly connected by welding.
Preferably, the top nut is internally provided with screw thread corresponding with inner screw, and the inside of the lower nut sets
It is equipped with screw thread corresponding with inner screw.
Preferably, the baffle is symmetrical arranged along the central axes of slide bar, and baffle and slide bar are detachably connected by bolt.
Preferably, the side of the slide bar engages with the outer wall of inner screw, and the inner wall of the spring and sliding slot passes through welding
It is fixedly connected.
Compared with prior art, the beneficial effects of the present invention are: the present invention by setting lower cross keyway, lower nut,
Inner screw, external screw rod, top nut, upper cross keyway, top nut and six square nuts, when needing to fasten nuclear power generating equipment, make
Lower cross keyway is rotated with Phillips screwdriver, lower cross keyway drives lower nut that inner screw is rotatably inserted into external screw rod
It is interior, when the top of inner screw is higher than six square nuts, upper cross keyway is rotated using Phillips screwdriver, upper cross keyway
It drives top nut that inner screw and six square nuts are carried out clamping, solves the problems, such as that fastener is not connected firmly, by setting
Inner screw, slide bar, sliding slot and the spring set, while inner screw rotation, slide bar is squeezed, and is contracted in sliding slot, when interior
When screw rod stops operating, slide bar is under spring action power and pops up outward, and inner screw is stuck, efficiently solves multiple disassembly
And the problem of causing fastener to loosen, spring, baffle and slide bar are arranged in the inside of sliding slot, both played the role of fastening,
Avoid simultaneously its be chronically exposed to it is outer and the case where get rusty, all can be to inner screw by upper cross keyway and lower cross keyway
It is dismantled, and drives six square nuts to be rotated by spanner, inner screw can dismantled with external screw rod, avoid fracture
It happens, efficiently solves the problems, such as that fastener surface gets rusty easily abrasion so that the service life of fastener is low.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is cross-sectional view of the invention；
Fig. 3 is the enlarged drawing at A of the present invention.
In figure: 1, external screw rod；2, six square nuts；3, top nut；4, upper cross keyway；5, through slot；6, lower nut；7, interior spiral shell
Bar；8, lower cross keyway；9, spring；10, baffle；11, sliding slot；12, slide bar.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
It please refers to Fig. 1-3, a kind of nuclear power metal fastenings, including external screw rod 1, the top of external screw rod 1 and is provided with six sides
Nut 2, and external screw rod 1 is internally provided with inner screw 7, the front surface of external screw rod 1 is provided with through slot 5, and the inner wall of external screw rod 1
It is provided with sliding slot 11, inner screw 7 runs through the inside of six square nuts 2 and is connected with top nut 3, and the top of top nut 3 is provided with
Cross keyway 4, the bottom end of inner screw 7 are connected with lower nut 6, and the bottom end of lower nut 6 is provided with lower cross keyway 8, sliding slot 11
It is internally provided with spring 9, the side of spring 9 is connected with baffle 10, and the inside of baffle 10 is provided with slide bar 12.
Please be emphatically refering to fig. 1 with 2, the inner wall of external screw rod 1 is provided with screw thread corresponding with inner screw 7, is convenient for external screw rod 1
It is connect, and external screw rod 1 is fixedly connected by welding with six square nuts 2, is convenient for external screw rod 1 by threads turn with inner screw 7
It is fixedly mounted in six square nuts 2, upper cross keyway 4 is fixedly connected by welding with top nut 3, is convenient for upper cross keyway 4
It is fixedly mounted in top nut 3, lower cross keyway 8 is fixedly connected by welding with lower nut 6, convenient for consolidating lower cross keyway 8
On lower nut 6, top nut 3 is internally provided with screw thread corresponding with inner screw 7 for Dingan County, convenient for top nut 3 and interior spiral shell
Bar 7 is connected by threads turn, and lower nut 6 is internally provided with screw thread corresponding with inner screw 7, convenient for lower nut 6 with it is interior
Screw rod 7 is connected by threads turn.
It please focus on refering to Fig. 3, baffle 10 is symmetrical arranged along the central axes of slide bar 12, and it is mobile convenient for baffle belt moving slide-bar 12,
And baffle 10 is detachably connected with slide bar 12 by bolt, and slide bar 12, the side of slide bar 12 and the outer wall of inner screw 7 are easily installed
Engaging engages with inner screw 7 convenient for slide bar 12, avoid because special circumstances there is a phenomenon where due to cause to loosen, spring 9 and sliding slot
11 inner wall is fixedly connected by welding, and is fixedly connected convenient for spring 9 with sliding slot 11, prevents spring 9 from moving.
Working principle: firstly, it is necessary to when being fastened to nuclear power generating equipment, using Phillips screwdriver by lower cross keyway 8 into
Row rotation, lower cross keyway 8 drive lower nut 6 that inner screw 7 is rotatably inserted into external screw rod 1, through slot 5 can make external screw rod 1 to
Opposite side offset, achievees the effect that fastening, will using Phillips screwdriver when the top of inner screw 7 is higher than six square nuts 2
Upper cross keyway 4 is rotated, and upper cross keyway 4 drives top nut 3 that inner screw 7 and six square nuts 2 are carried out clamping, then,
While inner screw 7 rotates, slide bar 12 is squeezed, and is contracted in sliding slot 11, when inner screw 7 stops operating, slide bar 12
By spring 9 active force and pop up outward, inner screw 7 is stuck, avoid the connection between nuclear power generating equipment from loosening, most
Afterwards, spring 9, baffle 10 and slide bar 12 are arranged in the inside of sliding slot 11, both play the role of fastening, while avoiding it long-term
The case where getting rusty outside being exposed to, can all dismantle inner screw 7 by upper cross keyway 4 and lower cross keyway 8, and
The case where driving six square nuts 2 to be rotated by spanner, inner screw 7 and external screw rod 1 can be dismantled, avoid fracture hair
It is raw.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.
Claims (6)
1. nuclear power metal fastenings, including external screw rod (1), it is characterised in that: the top of the external screw rod (1) is provided with six sides
Nut (2), and external screw rod (1) is internally provided with inner screw (7), the front surface of the external screw rod (1) is provided with through slot (5),
And the inner wall of external screw rod (1) is provided with sliding slot (11), the inner screw (7) is run through the inside of six square nuts (2) and is connected with
The top of nut (3), the top nut (3) is provided with cross keyway (4), and the bottom end of the inner screw (7) is connected with lower spiral shell
Female (6), the bottom end of the lower nut (6) are provided with lower cross keyway (8), and the sliding slot (11) is internally provided with spring (9),
The side of the spring (9) is connected with baffle (10), is provided with slide bar (12) on the inside of the baffle (10).
2. nuclear power metal fastenings according to claim 1, it is characterised in that: the inner wall of the external screw rod (1) is arranged
There is screw thread corresponding with inner screw (7), and external screw rod (1) is fixedly connected by welding with six square nuts (2).
3. nuclear power metal fastenings according to claim 1, it is characterised in that: the upper cross keyway (4) and upper spiral shell
Female (3) are fixedly connected by welding, and the lower cross keyway (8) is fixedly connected by welding with lower nut (6).
4. nuclear power metal fastenings according to claim 1, it is characterised in that: the inside of the top nut (3) is arranged
There is screw thread corresponding with inner screw (7), the lower nut (6) is internally provided with screw thread corresponding with inner screw (7).
5. nuclear power metal fastenings according to claim 1, it is characterised in that: the baffle (10) is along slide bar (12)
Central axes are symmetrical arranged, and baffle (10) is detachably connected with slide bar (12) by bolt.
6. nuclear power metal fastenings according to claim 1, it is characterised in that: the side of the slide bar (12) and interior spiral shell
The outer wall of bar (7) engages, and the spring (9) and the inner wall of sliding slot (11) are fixedly connected by welding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910336409.3A CN110081061A (en) | 2019-04-25 | 2019-04-25 | Nuclear power metal fastenings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910336409.3A CN110081061A (en) | 2019-04-25 | 2019-04-25 | Nuclear power metal fastenings |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110081061A true CN110081061A (en) | 2019-08-02 |
Family
ID=67416579
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910336409.3A Pending CN110081061A (en) | 2019-04-25 | 2019-04-25 | Nuclear power metal fastenings |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110081061A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586584A (en) * | 2021-08-04 | 2021-11-02 | 湖北登峰高强螺栓有限公司 | Novel anti-loosening bolt and using method thereof |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200363639Y1 (en) * | 2004-07-19 | 2004-10-02 | 문수남 | A sealing device for combine |
| CN204226392U (en) * | 2014-11-13 | 2015-03-25 | 天津市智拓科技发展有限公司 | A kind of assembly type fastening piece |
| CN206129828U (en) * | 2016-09-30 | 2017-04-26 | 上海埃鲁秘工业炉制造有限公司 | Fastener for mechanical maintenance |
| CN207349239U (en) * | 2017-07-12 | 2018-05-11 | 宁国拓科汽车零部件有限公司 | A kind of fastener for vehicle |
| CN108626234A (en) * | 2018-06-26 | 2018-10-09 | 浙江长瑞精密零部件制造有限公司 | A kind of nuclear power check bolt |
| CN210034111U (en) * | 2019-04-25 | 2020-02-07 | 江苏海纬集团有限公司 | Metal fastener for nuclear power |
-
2019
- 2019-04-25 CN CN201910336409.3A patent/CN110081061A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200363639Y1 (en) * | 2004-07-19 | 2004-10-02 | 문수남 | A sealing device for combine |
| CN204226392U (en) * | 2014-11-13 | 2015-03-25 | 天津市智拓科技发展有限公司 | A kind of assembly type fastening piece |
| CN206129828U (en) * | 2016-09-30 | 2017-04-26 | 上海埃鲁秘工业炉制造有限公司 | Fastener for mechanical maintenance |
| CN207349239U (en) * | 2017-07-12 | 2018-05-11 | 宁国拓科汽车零部件有限公司 | A kind of fastener for vehicle |
| CN108626234A (en) * | 2018-06-26 | 2018-10-09 | 浙江长瑞精密零部件制造有限公司 | A kind of nuclear power check bolt |
| CN210034111U (en) * | 2019-04-25 | 2020-02-07 | 江苏海纬集团有限公司 | Metal fastener for nuclear power |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586584A (en) * | 2021-08-04 | 2021-11-02 | 湖北登峰高强螺栓有限公司 | Novel anti-loosening bolt and using method thereof |
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