CN106594047A - Bolt protection cover - Google Patents
Bolt protection cover Download PDFInfo
- Publication number
- CN106594047A CN106594047A CN201611217344.3A CN201611217344A CN106594047A CN 106594047 A CN106594047 A CN 106594047A CN 201611217344 A CN201611217344 A CN 201611217344A CN 106594047 A CN106594047 A CN 106594047A
- Authority
- CN
- China
- Prior art keywords
- fixture
- nut
- protective cover
- bolt protective
- bolt
- 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
- 230000001681 protective effect Effects 0.000 claims description 34
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 210000003141 lower extremity Anatomy 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical group [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 235000014593 oils and fats Nutrition 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000003068 static effect 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
- F16B41/00—Measures against loss of bolts, nuts, or pins; Measures against unauthorised operation of bolts, nuts or pins
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Connection Of Plates (AREA)
- Closures For Containers (AREA)
Abstract
The invention relates to a bolt protection cover which comprises a fixing piece and a cover body. The fixing piece is provided with an annular inner cavity. The lower edge of the annular inner cavity is provided with a plurality of convex pieces which can be clamped to the chamfered portions of the nut conveniently. Notches allowing the nut to enter the annular inner cavity conveniently are formed between the adjacent convex pieces. The fixing piece is detachably sleeved with the cover body. According to the bolt protection cover, a fixing device is separated into the fixing piece and the cover body, the lower edge of the annular inner cavity is provided with the multiple convex pieces which can be clamped to the chamfered portions of the nut conveniently, the notches are formed between the adjacent convex pieces, the nut is sleeved with the fixing piece, corners of the nut enter the fixing piece via the notches firstly, then the convex pieces are clamped to the chamfered portions of the nut through rotating so that fixation can be achieved, the cover body and the fixing piece are fixed so as to cover the nut, protection is achieved, and the problem that protection covers are narrow in application range is solved fundamentally.
Description
Technical field
The present invention relates to a kind of bolt protective cover, particularly one kind are enclosed within nuts and bolt end, nuts and bolt is prevented
Corrosion nut protective cover.
Background technology
Bolt is widely used in various Static Equipments, railway, bridge, shield tunnel, building as a kind of conventional connector
Deng field.Bolt is to be threaded connection to form securing member with screw rod and nut, and nut is slightly stretched out in the end of usual screw rod.Nut
Lower section be additionally provided with pad.In use, bolt is typically exposed in environment, by air, sleet and corrosive substance
Corrosion, that is, reduce service life may bring safety problem to productive life traffic again, simultaneously because get rusty cause nut with
Screw rod becomes rusty together, it is not easy to dismantle, and brings constant to maintenance and replacing.
In order to prevent screw rod together with nut corrosion, increase bolt service life, a kind of technical scheme is using stainless
Steel bolt, but cost is significantly increased.Another is that oils and fatss are smeared on bolt, although the method can antirust, can shadow
Sound is attractive in appearance, is also easily caused oils and fatss and drops onto other related equipment or pollute adjacent object.Also a kind of technology is exactly to adopt
Bolt-protecting cap, but because used in having where vibrations, the occlusion property between bolt and protective cap not enough, is led after a period of time
Loose or dislocation is caused, it is also possible to bumping against the equipment in motion, means of transport or other objects when coming off.
Chinese patent（CN 205101372）A kind of bolt protective cover is disclosed, and is specifically disclosed, protective cover inside is certainly
It is sequentially provided with down and accommodates the first cavity of pad, accommodates the second cavity of nut and accommodate the 3rd chamber of screw rod end
Body；First cavity, the second cavity and the 3rd cavity head and the tail are connected；The inwall of the 3rd cavity is provided with and screw rod end external screw thread
The female thread matched somebody with somebody, makes screw rod end to be fixed on the inwall of the 3rd cavity after stretching into.
But during practice of construction, often there is bolt after nut fixation, bolt end exposes nut
Part it is smaller, it is impossible to enough female threads with the 3rd inside cavities wall make this kind of bolt protective cover into being effectively combined
Using there is huge restriction, it is unfavorable for promoting the use of.
The content of the invention
The technical problem to be solved in the present invention is：In order to solve existing bolt protective cover during practice of construction, Jing
Bolt often occurs after nut fixation, the part that bolt end exposes nut is smaller, it is impossible to enough and the 3rd inside cavities
Into being effectively combined, make the use of this kind of bolt protective cover has huge restriction to the female thread of wall, is unfavorable for promoting the use of
Problem, it is following in annular cavity the invention provides a kind of bolt protective cover, by fixing device fixture and lid are split as
Edge be provided with it is some be easy to be fastened on the lug at nut chamfering, and notch is formed between adj acent tab, fixture is enclosed within spiral shell
On mother, the angle for making nut first passes through notch and enters into inside fixture, then lug is stuck at nut chamfering by rotation, shape
Into fixation, then lid is fixed with fixture, cover nut, form protection, fundamentally solve protective cover use range
Little problem.
The technical solution adopted for the present invention to solve the technical problems is：A kind of bolt protective cover, including：Fixture and lid
Body, the fixture has an annular cavity, and the annular cavity lower limb has some to be easy to be fastened at nut chamfering
Lug, has the notch for being easy to nut to enter annular cavity between the adj acent tab, the lid is detachably set in fixation
Outside part.
Preferably, above-mentioned lug has 6.
Preferably, above-mentioned notch is V-shaped notch,
Preferably, the opening angle of above-mentioned notch is not less than 120 °.
Preferably, section of the above-mentioned lug on the section for crossing fixture centrage is triangle or wedge shape.
Preferably, above-mentioned fixing piece is annular, the lid and fixture are threadedly coupled.
Preferably, above-mentioned fixing piece lower limb outside has one with the integrally formed reinforcing annular part of fixture.
Preferably, above-mentioned reinforcing annular part cross fixture centrage section on section be triangle, wedge shape or
It is square.
Preferably, the medial wall of above-mentioned fixing piece annular cavity is provided with some excessive for preventing fixture from rotating
Position limiting structure.
Preferably, above-mentioned position limiting structure is the rib of the vertical direction for being arranged on medial wall.
Preferably, the medial wall of above-mentioned fixing piece annular cavity is provided with least one non-return structure.
Preferably, above-mentioned non-return structure forms certain hyte with an adjacent position limiting structure, same positioning group is in
Notch is not provided between interior non-return structure and position limiting structure.
Preferably, above-mentioned lid also includes being easy to cover the convex edge of nut shim.
The invention has the beneficial effects as follows：
（1）A kind of bolt protective cover that the present invention is provided, by fixing device fixture and lid are split as, following in annular cavity
Edge be provided with it is some be easy to be fastened on the lug at nut chamfering, and notch is formed between adj acent tab, fixture is enclosed within spiral shell
On mother, the angle for making nut first passes through notch and enters into inside fixture, then lug is stuck at nut chamfering by rotation, shape
Into fixation, then lid is fixed with fixture, cover nut, form protection, fundamentally solve protective cover use range
Little problem.
（2）A kind of bolt protective cover that the present invention is provided, fixture lower limb outside has one to be integrally formed with fixture
Reinforcing annular part, can so effectively improve the intensity between lug and fixture, effectively prevent due to lug and fixation
Insufficient strength between part and make the problem that nut-protecting sleeve comes off from nut.
（3）A kind of bolt protective cover that the present invention is provided, also with position limiting structure, makes fixture be set on nut and rotates
When, prevent rotation excessive, make the angle of nut corresponding with the position of notch, so as to come off from nut.
（4）The present invention provide a kind of bolt protective cover, also with non-return structure, only and return structure with adjacent one
Position limiting structure forms certain hyte, and between the non-return structure being in same positioning group and position limiting structure notch is not provided with, and makes
Fixture is set in when rotating on nut, can cross non-return structure, so that the angle of nut is in position limiting structure and non-return knot
Between structure, non-return structure can not cross non-return structure when fixture is reversely rotated, finally make nut and fixture it
Between position be relatively fixed, it is therefore prevented that fixture comes off from nut.
Description of the drawings
With reference to the accompanying drawings and examples the present invention is further described.
Fig. 1 is a kind of view sub-anatomy of bolt protective cover of the present invention；
Fig. 2 is a kind of axonometric chart of the fixture of bolt protective cover of the present invention；
Fig. 3 is a kind of axonometric chart of the lid of bolt protective cover of the present invention；
In figure：1. fixture, 2. lid, 3. annular cavity, 4. lug, 5. notch, 6. reinforcing annular part, 7. position limiting structure, 8.
Non-return structure, 9. convex edge.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further detailed explanation.These accompanying drawings are simplified schematic diagram, only with
The basic structure of the illustration explanation present invention, therefore it only shows the composition relevant with the present invention.
As shown in Figure 1-Figure 3, a kind of bolt protective cover, including fixture 1 and lid 2, fixture 1 has an annular cavity
3, the lower limb of annular cavity 3 have it is some be easy to be fastened on the lug 4 at nut chamfering, between adj acent tab 4 have be easy to spiral shell
Mother enters the notch 5 of annular cavity 3, and lid 2 is detachably set in outside fixture 1.
In a kind of specific embodiment, depending on the angle number of the nut that the number of lug 4 can be protected as needed, if
Nut is tetragonal nut, and fixture 1 has four lugs 4, and forms four notches 5, is easy to tetragonal nut to enter fixture 1
Annular cavity 3；In the same manner, hex nut and octagon nut are also corresponding six lugs 4 and eight lugs 4 respectively；Certainly, also not only
The number for being limited only to lug 4 is identical with nut angle number, and the number of lug 4 can also be more than nut angle number, such as, eight lugs
4 can also corresponding be tetragonal nut.However, in this specific embodiment, lug 4 has 6.
In a kind of specific embodiment, the effect of notch 5 is easy in the annular cavity 3 that nut enters fixture 1, groove
The shape of mouth 5 can be circular arc or other arbitrary shapes.In this specific embodiment, notch 5 is preferably shaped to V-shaped
Notch 5.
In a kind of specific embodiment, the angle of V-shaped notch 5 is changeable, and the angle of notch 5 can also be 0 °,
Because the material that this nut-protecting sleeve is selected is plastics, because plastics itself have certain elasticity, nut is entered in fixture 1
During portion, the angle correspondence notch 5 of nut can force the lug 4 of the both sides of notch 5 to deform, so that nut by inward pressure
Enter into inside fixture 1.Certainly, notch 5 is preferably not less than the angle at each angle of nut, need not so apply extra
Power nut can just entered into inside fixture 1, it is easy to use.In this specific embodiment, the opening angle of notch 5 is
Not less than 120 °, preferably 120 °.
In a kind of specific embodiment, in order to ensure the fixing intensity between fixture 1 and nut, on the one hand need to make
Adhesion between lug 4 and fixture 1 increases, and on the other hand, makes the gap of the as far as possible deep chamfering for entering into nut of lug 4
In, therefore, when 4 shape of lug is designed, pay the utmost attention to the lug 4 of thickness stepped form from outside to inside.In this specific embodiment
In, section of the lug 4 on the section for crossing the centrage of fixture 1 is triangle or wedge shape.
In a kind of specific embodiment, the nut-protecting sleeve of the present invention is divided into two parts, and a part is used for solid with nut
Fixed fixture 1, another part is the lid 2 fixed with fixture 1, and lid 2 is used for for nut being encapsulated in the inner chamber of fixture 1
In, prevent nut by corrosion, the inside of fixture 1 first is annular cavity, and outside shape can be polygon, or
Circle, and the interior shape of lid 2 is then to match with the external shape of fixture 1, in order to form good fixation, lid 2
External shape can also be diversified.In this specific embodiment, fixture 1 is annular, is also ring inside lid 2
Shape, is also annular outside lid 2, and lid 2 and fixture 1 are threadedly coupled.
In a kind of specific embodiment, in order to further strengthen the jail between the upper flange of fixture 1 and fixture 1
Tenacity, the lower limb of fixture 1 outside has one with the integrally formed reinforcing annular part 6 of fixture 1.
Preferably, section of the reinforcing annular part 6 on the section for crossing the centrage of fixture 1 is triangle, wedge shape or side
Shape.
In a kind of specific embodiment, in order to prevent fixture 1 from rotating excessively, the angle of nut and the position of notch 5 are made
It is corresponding, so as to come off from nut.The medial wall of the annular cavity 3 of fixture 1 is provided with some for preventing fixture 1 from rotating
Excessive position limiting structure 7, the relative position that can make fixture 1 is fixed, and is conducive to settling at one go fixture 1 and is fixed on nut
On.
Wherein, position limiting structure 7 can be the rib of the vertical direction for being arranged on medial wall, and the shape of rib can be flat
Square, or arc or triangle etc. can meet prevents fixture 1 from rotating excessive structure.In this specific embodiment
In, position limiting structure 7 is arc.
In a kind of specific embodiment, also with non-return structure 8, only and return structure and an adjacent position limiting structure
7 form certain hyte, and between the non-return structure 8 being in same positioning group and position limiting structure 7 notch 5 is not provided with, and make fixation
Part 1 is set in when rotating on nut, can cross non-return structure 8, so that the angle of nut is in position limiting structure 7 and non-return structure
Between 8, non-return structure 8 can not cross non-return structure 8 when fixture 1 is reversely rotated, and finally make nut and fixture 1
Between position be relatively fixed.Wherein the section of the horizontal direction of non-return structure 8 is obtuse triangle, or approximately obtuse triangle,
Wherein approximate obtuse triangle can be curve for each side of obtuse triangle, but its global shape is similar with triangle.Obtuse angle
The obtuse angle direction of triangle is the direction of the position limiting structure 7 away from same positioning group.
In a kind of specific embodiment, lid 2 also includes being easy to cover the convex edge 9 of nut shim.
With the above-mentioned desirable embodiment according to the present invention as enlightenment, by above-mentioned description, relevant staff is complete
Entirely various change and modification can be carried out in the range of without departing from this invention technological thought.The technology of this invention
Property scope is not limited to the content in description, it is necessary to its technical scope is determined according to right.
Claims (13)
1. a kind of bolt protective cover, it is characterised in that include：Fixture（1）And lid（2）, the fixture（1）With a ring
Shape inner chamber（3）, the annular cavity（3）Lower limb has some to be easy to be fastened on the lug at nut chamfering（4）, it is described adjacent
Lug（4）Between have be easy to nut to enter annular cavity（3）Notch（5）, the lid（2）Detachably it is set in fixture
（1）It is outside.
2. a kind of bolt protective cover as claimed in claim 1, it is characterised in that：The lug（4）With 6.
3. a kind of bolt protective cover as claimed in claim 1, it is characterised in that：The notch（5）For V-shaped notch（5）.
4. a kind of bolt protective cover as claimed in claim 3, it is characterised in that：The notch（5）Opening angle for not little
In 120 °.
5. a kind of bolt protective cover as claimed in claim 1, it is characterised in that：The lug（4）Crossing fixture（1）Center
Section on the section of line is triangle or wedge shape.
6. a kind of bolt protective cover as claimed in claim 1, it is characterised in that：The fixture（1）For annular, the lid
（2）And fixture（1）Threaded connection.
7. a kind of bolt protective cover as claimed in claim 1, it is characterised in that：The fixture（1）Lower limb outside has
One and fixture（1）Integrally formed reinforcing annular part（6）.
8. a kind of bolt protective cover as claimed in claim 7, it is characterised in that：The reinforcing annular part（6）Crossing fixture
（1）Section on the section of centrage is triangle, wedge shape or square.
9. a kind of bolt protective cover as described in any one of claim 1-8, it is characterised in that：The fixture（1）In annular
Chamber（3）Medial wall be provided with some for preventing fixture（1）Rotate excessive position limiting structure（7）.
10. a kind of bolt protective cover as claimed in claim 9, it is characterised in that：The position limiting structure（7）To be arranged on inner side
The rib of the vertical direction of wall.
A kind of 11. bolt protective covers as claimed in claim 9, it is characterised in that：The fixture（1）Annular cavity（3）'s
Medial wall is provided with least one non-return structure（8）.
A kind of 12. bolt protective covers as claimed in claim 11, it is characterised in that：The non-return structure（8）With adjacent one
Individual position limiting structure（7）Certain hyte is formed, the non-return structure being in same positioning group（8）And position limiting structure（7）Between not
Notch is set（5）.
A kind of 13. bolt protective covers as claimed in claim 11, it is characterised in that：The lid（2）Also include being easy to cover
The convex edge of nut shim（9）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217344.3A CN106594047B (en) | 2016-12-26 | 2016-12-26 | A kind of bolt protective cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611217344.3A CN106594047B (en) | 2016-12-26 | 2016-12-26 | A kind of bolt protective cover |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106594047A true CN106594047A (en) | 2017-04-26 |
| CN106594047B CN106594047B (en) | 2019-04-26 |
Family
ID=58604132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611217344.3A Active CN106594047B (en) | 2016-12-26 | 2016-12-26 | A kind of bolt protective cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106594047B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366675A (en) * | 2017-07-26 | 2017-11-21 | 李秀彦 | A kind of bolt protector |
| CN110735840A (en) * | 2019-10-30 | 2020-01-31 | 钱福祥 | buckled bolt protective cover |
| CN111343527A (en) * | 2020-03-09 | 2020-06-26 | 嘉兴麦瑞网络科技有限公司 | Intelligent sound source collection system for movie & TV system of making a video |
| CN112993499A (en) * | 2021-03-27 | 2021-06-18 | 费籁电气(上海)有限公司 | Mounting structure of APF filter |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203348285U (en) * | 2013-05-30 | 2013-12-18 | 浙江吉利汽车研究院有限公司杭州分公司 | Protection assembly for automobile wheel nut |
| CN104564988A (en) * | 2013-10-21 | 2015-04-29 | 艾默生(北京)仪表有限公司 | Bolt accessory, mounting and demounting method thereof and device using bolt or nut |
| CN203939844U (en) * | 2014-07-15 | 2014-11-12 | 侯春楠 | A kind of explosion-proof bolt of coaxially turning |
| CN204572734U (en) * | 2015-04-29 | 2015-08-19 | 温州科技职业学院 | Bolt and nut Rustproof cover |
| CN204805290U (en) * | 2015-05-18 | 2015-11-25 | 温州科技职业学院 | Locking absorbing bolt safety cover |
| CN206347015U (en) * | 2016-12-26 | 2017-07-21 | 上海透克科技有限公司 | A kind of bolt protective cover |
-
2016
- 2016-12-26 CN CN201611217344.3A patent/CN106594047B/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107366675A (en) * | 2017-07-26 | 2017-11-21 | 李秀彦 | A kind of bolt protector |
| CN110735840A (en) * | 2019-10-30 | 2020-01-31 | 钱福祥 | buckled bolt protective cover |
| CN111343527A (en) * | 2020-03-09 | 2020-06-26 | 嘉兴麦瑞网络科技有限公司 | Intelligent sound source collection system for movie & TV system of making a video |
| CN112993499A (en) * | 2021-03-27 | 2021-06-18 | 费籁电气(上海)有限公司 | Mounting structure of APF filter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106594047B (en) | 2019-04-26 |
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Effective date of registration: 20200409 Address after: 214200 Caoshang 2, Nancao Village, Wanshi Town, Yixing City, Jiangsu Province Co-patentee after: Li Changjin Patentee after: Qian Fuxiang Co-patentee after: SHANGHAI TOUKE TECHNOLOGY Co.,Ltd. Address before: 200000, Shanghai, Pudong New Area Free Trade Zone, 778 innovation West Road, Shanghai Ke Ke Technology Co., Ltd. Patentee before: SHANGHAI TOUKE TECHNOLOGY Co.,Ltd. |