CN208565203U - A kind of bolt anti-corrosion device - Google Patents
A kind of bolt anti-corrosion device Download PDFInfo
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- CN208565203U CN208565203U CN201821030759.4U CN201821030759U CN208565203U CN 208565203 U CN208565203 U CN 208565203U CN 201821030759 U CN201821030759 U CN 201821030759U CN 208565203 U CN208565203 U CN 208565203U
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- nut
- bolt
- protective cover
- protecting sleeve
- corrosion device
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Abstract
The utility model relates to a kind of bolt anti-corrosion devices; it is characterized in that; including protective cover and sealing anticreep pedestal; the protective cover is open at one end so that the screw rod and nut of bolt protrude into; the sealing anticreep pedestal is set in the outside of the nut; and it is seal-installed on the open end of the protective cover, the bottom of the sealing anticreep pedestal and the installation contact surface of bolt are tightly connected；Nut-protecting sleeve is additionally provided between the protective cover and the nut, and between the nut-protecting sleeve and the protective cover, between the nut-protecting sleeve and corresponding nut be tight fit.The utility model can either effectively completely cut off corrosive medium, and bolt is prevented to be corroded, and can facilitate the disassembly, maintenance and maintenance of bolt, anticreep performance and favorable sealing property.
Description
Technical field
The utility model belongs to bolt anti-corrosion technical field, and in particular to a kind of bolt anti-corrosion device.
Background technique
Bolt is as the primary element being connected and fixed, once be corroded, it is more likely that will affect it is interstructural firm, even
Occur to be broken equal danger of collapsing.Even if often making routine inspection, guarantee that the bolt of corrosion is replaced in time, but because bolt corrosion
After be difficult to unscrew, replace and inconvenient, while also influencing whether the associated components inconvenience maintenance and disassembly fixed with bolt, consume in vain
Many man power and materials.The railway system uses the local many of anchor bolt, but the anti-corrosion protection measure of anchor bolt at present
Not many, effect is general.The measure that the most common anchor bolt anti-corrosion uses makes bolt for anchor bolt is shut using cement
Completely cut off with outside air, plays corrosion-resistant effect；But the time is long, crackle easily occurs for cement, so that it is rotten again to occur bolt
Erosion；Cement shuts bolt simultaneously, can not carry out periodic inspection and maintenance to bolt.Especially in coastal area, by ocean etc.
Saline and alkaline climatic effect, anchor bolt is more serious there is a phenomenon where corroding, descaling bolts it is more difficult with it is complicated, to railway operation
Caused by endanger especially severe.
Utility model content
For overcome the deficiencies in the prior art, the utility model devises a kind of bolt anti-corrosion device, can either be effective
Completely cut off corrosive medium, prevents anchor bolt to be corroded, and the disassembly, maintenance and maintenance of bolt can be facilitated.
To achieve the goals above, the utility model uses following scheme:
A kind of bolt anti-corrosion device, including protective cover and sealing anticreep pedestal, the protective cover is open at one end for bolt
Screw rod and nut protrude into, the sealing anticreep pedestal is set in the outside of the nut, and is seal-installed on the protective cover
Open end, it is described sealing anticreep pedestal bottom and bolt installation contact surface be tightly connected；The protective cover and the spiral shell
Nut-protecting sleeve is additionally provided between mother, and between the nut-protecting sleeve and the protective cover, the nut-protecting sleeve and phase
It is tight fit between corresponding nut.
Further, the centre of the sealing anticreep pedestal is provided with the through-hole structure to match with the nut outer cylinder；
The upper surface of the sealing anticreep pedestal is provided with annular groove, and the outside side wall of the annular groove extends upward annular nib
Protective cover open end periphery is connect with packet, the annular nib is tilted to the center of the sealing anticreep pedestal to be shunk.
Further, it is described sealing anticreep base upper surface annular groove bottom be additionally provided with bulge loop structure with the guarantor
The annular groove tight fit of shield open end.
Further, the bottom of the sealing anticreep pedestal is additionally provided with annular groove to fill special seal gum.
Further, the nut-protecting sleeve is sheath structure, and the inner hole of the nut-protecting sleeve is and the nut column jacket
The through-hole structure that face matches, the outer cylinder of the nut-protecting sleeve, which is made into, to match at inner hole corresponding with the protective cover
Shape.
Further, the nut-protecting sleeve and the nut correspond, and the nut matched with the nut of outermost end is protected
Sheath, one end of inner hole are the pore structures to match with the nut outer cylinder, the other end be Screw hole structure with bolt
Screw rod cooperation.
Further, the nut-protecting sleeve and the nut correspond, and the nut matched with the nut of outermost end is protected
Sheath, shape are step structures, and one end of inner hole is the pore structure to match with the nut outer cylinder, and the other end is
Screw hole structure with the screw rod of bolt to cooperate, and the endcapped of the Screw hole structure.
Further, the open end of the protective cover is provided with annular groove.
Further, the open end of the protective cover is outside flaring structure.
Further, the protective cover includes body and loop bar, the body screw rod and nut open at one end for bolt
It protrudes into, the other end connects one end of the loop bar；The internal diameter of the loop bar is smaller than the internal diameter of the body, is used for the screw rod
It is inserted in, the other end closing of the loop bar.
Further, the internal screw thread being meshed with the screw flight is equipped in the loop bar.
Further, grip part is additionally provided between the body and loop bar.
Further, the protective cover is made of metal or nonmetallic materials；The sealing anticreep pedestal and the nut
Protective case is made of composite material.
Further, the sealing anticreep pedestal and the nut-protecting sleeve are using plastics or nylon or rubber or modified material
It is made.
Further, the sealing anticreep pedestal and the nut-protecting sleeve are made of modified plastics or modified rubber.
The bolt anti-corrosion device has the advantages that
(1) the utility model plays antisepsis to bolt, to easily getting rusty, in chemical pollution, the corrosive environments such as aging
Bolt play protective effect, can effectively completely cut off corrosive medium, protect the safe operation of bolt, antiseptic property is good
It is good.
(2) in the utility model, sealing anticreep pedestal plays fastening effect to the protective cover of bolt, makes protective cover and nut
Bolt close and firm is combined together, and fastening performance is good, can prevent protective cover from making in strong wind or train by caused vibration
With lower rotation, prevent bolt from falling off, loosening, anticreep is functional, avoids protective cover and falls off and causes railway operation safety
Accident.
(3) it between nut-protecting sleeve and protective cover, combines closely between nut, more efficiently hinders moisture, corrosion
Media contact nut-screw protects bolt from corrosion.
(3) in the utility model, sealing anticreep pedestal can make protective cover combine closely with installation contact surface, sealing performance
It is good, it is more efficient that extraneous air and moisture content is reliably prevented to enter protective device corrosion bolt.
(4) the utility model long service life can be used repeatedly；Bolt dismantling can be facilitated, reduced costs,
Inspection speed is accelerated, also ensures the safety of structure.
(6) the utility model is structurally reasonable, site operation simple installation, time and labour saving.
(7) the utility model bolt anti-corrosion device is aesthetic in appearance, can also be sun-proof, anticollision etc..
Detailed description of the invention
Fig. 1: the structural schematic diagram of bolt anti-corrosion device in the first embodiment of the utility model；
Fig. 2: the structural schematic diagram of protective cover in the first embodiment of the utility model；
Fig. 3: the main view of lower nut protective case in the first embodiment of the utility model；
Fig. 4: the top view of lower nut protective case in the first embodiment of the utility model；
Fig. 5: the main view of top nut protective case in the first embodiment of the utility model；
Fig. 6: the top view of top nut protective case in the first embodiment of the utility model；
Fig. 7: the main view of anticreep pedestal is sealed in the first embodiment of the utility model；
Fig. 8: the top view of anticreep pedestal is sealed in the first embodiment of the utility model；
Fig. 9: Fig. 7 A direction view；
Figure 10: the structural schematic diagram of bolt anti-corrosion device in second of embodiment of the utility model；
Figure 11: the main view of top nut protective case in second of embodiment of the utility model；
Figure 12: the top view of top nut protective case in second of embodiment of the utility model.
Description of symbols:
1-protective cover；11-annular grooves；12-bodies；13-loop bars；21-lower nut protective cases；22-top nuts
Protective case；221-inner hexagonal holes；222-Screw hole structures；3-sealing anticreep pedestals；31-annular nibs；32-bulge loop knots
Structure；33-base circle grooves；4-bolts；5-nuts；6-installation contact surfaces.
Specific embodiment
With reference to the accompanying drawing, the utility model is described further:
Fig. 1 to Fig. 9 shows a kind of embodiment of the utility model bolt anti-corrosion device.Fig. 1 is in present embodiment
The structural schematic diagram of bolt anti-corrosion device.
As shown in Figure 1, the bolt anti-corrosion device in present embodiment, including protective cover 1 and sealing anticreep pedestal 3, protection
Cover 1 open at one end so that the screw rod and nut 5 of bolt 4 protrude into, sealing anticreep pedestal 3 is set in the outside of nut 5, and seals peace
The installation contact surface 6 of open end loaded on protective cover 1, the bottom and bolt 4 that seal anticreep pedestal 3 is tightly connected；1 He of protective cover
Nut-protecting sleeve is additionally provided between nut 5, and between nut-protecting sleeve and protective cover 1, nut-protecting sleeve and corresponding nut 5
Between be tight fit.
Protective cover 1 covers the screw rod of bolt 4 and nut 5 inside it, can prevent air, moisture from entering, and plays anti-corrosion work
With.Nut-protecting sleeve is combined closely with nut 5, can be prevented air, moisture from contacting with nut 5, be further functioned as antisepsis.It is close
The envelope packet of anticreep pedestal 3 connects 1 bottom periphery of protective cover, plays sealing, anticreep, fastening effect to protective case 1.
As shown in Figure 3 and Figure 4, nut-protecting sleeve is a sheath structure, and the inner hole of nut-protecting sleeve is and corresponding nut 5
The through-hole structure that outer cylinder matches.Nut-protecting sleeve coat nut 5, installation with corresponding nut 5 outside, with corresponding nut
5 are fitted close, very close to each other.The outer cylinder of nut-protecting sleeve is made into the shape to match at inner hole corresponding with protective cover 1, peace
Back nut protective case outer cylinder and 1 inner hole close-fitting contact of protective cover are filled, can prevent air, moisture from contacting with nut 5, play
Antisepsis.
Preferably, nut-protecting sleeve and nut 5 correspond.In the present embodiment, there are two nuts 5, and nut-protecting sleeve has
Lower nut protective case 21 and top nut protective case 22, the structure of lower nut protective case 21 are Fig. 3 and this knot shown in Fig. 4
Structure.Certainly, the nut-protecting sleeve of this structure also may be selected in top nut protective case 22, but is not limited to the structure.
As shown in Figure 5 and Figure 6, in present embodiment, top nut protective case 22 is a sheath structure, top nut protective case 22
One end of inner hole is the inner hexagonal hole 221 to match with 5 outer cylinder of nut, and the other end of nut-protecting sleeve inner hole is screw hole knot
Structure 222 with the screw rod of bolt 4 to cooperate.The nut-protecting sleeve of this structure can be complete with 1 internal screw thread of protective cover for screw rod
Outermost end nut when installation.
As shown in Figure 7, Figure 8 and Figure 9, the centre for sealing anticreep pedestal 3 is provided with the through-hole to match with 5 outer cylinder of nut
Structure with corresponding nut 5 to combine closely；The upper surface of sealing anticreep pedestal 3 is provided with annular groove, the annular groove
Outside side wall extends upward the formation positioning sleeve of annular nib 31 and connects 1 open end periphery of protective cover, annular nib 31 with close packet
It tilts and shrinks to the center of sealing anticreep pedestal 3.
Preferably, seal 3 upper surface of anticreep pedestal annular groove bottom be additionally provided with bulge loop structure 32 with protective cover 1
11 tight fit of annular groove of open end.
Preferably, the bottom for sealing anticreep pedestal 3 is additionally provided with annular groove to fill special seal gum with installation and contact
Face 6 is combined closely, base circle groove 33 as shown in Figure 7.
In the present embodiment, sealing 3 inner hole of anticreep pedestal is combined closely with lower nut, and base circle groove is coated with Special seal
Glue contacts face contact with installation, plays sealing function.
As shown in Fig. 2, the open end of protective cover 1 is provided with annular groove 11.
Preferably, the open end of protective cover 1 is outside flaring structure.
Preferably, protective cover 1 includes body 12 and loop bar 13, the screw rod and nut 5 open at one end for bolt 4 of body 12
It protrudes into, the other end connects one end of loop bar 13；The internal diameter of loop bar 13 is smaller than the internal diameter of body 12, for the screw rod to be inserted in,
The other end of loop bar 13 is closed.
Preferably, grip part is additionally provided between body 12 and loop bar 13.
Preferably, the internal screw thread being meshed with the screw flight is equipped in loop bar 13.1 top internal screw thread of protective cover with
Screw rod closely connects, and lower part is contacted with sealing 3 inner tight of anticreep pedestal, seals and is coated with special seal gum inside anticreep pedestal 3,
Sealing function further is played to protective cover 1.
Preferably, the protective cover 1 is made of metal or nonmetallic materials；Seal anticreep pedestal 3 and nut-protecting sleeve
It is made of plastics or nylon or rubber or modified material.
Preferably, anticreep pedestal 3 and nut-protecting sleeve is sealed to be made of modified plastics or modified rubber.
Figure 10 to Figure 12 shows second of embodiment of the utility model bolt anti-corrosion device.Figure 10 is this embodiment party
The structural schematic diagram of bolt anti-corrosion device in formula.
As shown in Figure 10, the bolt anti-corrosion in present embodiment in the structure of bolt anti-corrosion device and the first embodiment
The structure of device is almost the same, and the two is the difference is that the shape of top nut protective case 22 is step structure, such as Figure 11
With shown in Figure 12, and one end of 22 inner hole of top nut protective case is the pore structure to match with corresponding 5 outer cylinder of nut, upper spiral shell
The other end of female 22 inner hole of protective case is Screw hole structure 222 to cooperate with the screw rod of bolt 4, and the end envelope of Screw hole structure 222
It closes.The nut-protecting sleeve of this step structure is slightly higher than top nut edge for screw rod, but again with 1 internal screw thread of protective cover
Outermost end nut when place does not reach.
The utility model plays antisepsis to bolt, to easily getting rusty, in chemical pollution, the corrosive environments such as aging
Bolt plays protective effect, can effectively completely cut off corrosive medium, protects the safe operation of bolt, and antiseptic property is good.
In the utility model, sealing anticreep pedestal plays fastening effect to the protective cover of bolt, protective cover can be prevented big
Wind or train prevent bolt from falling off, loosening, anticreep is functional, avoids guarantor by rotating under caused effect of vibration
Shield, which falls off, causes railway operation safety accident.
In the utility model, sealing anticreep pedestal can make protective cover combine closely with installation contact surface, good seal performance, more
Add and extraneous air and moisture content is effectively and reliably prevented to enter protective device corrosion bolt.
In the utility model, sealing anticreep pedestal plays fastening effect to protective cover etc., keeps protective cover tight with nut bolt
Close to be firmly combined together, fastening performance is good.
In the utility model, between nut-protecting sleeve and protective cover, combines closely between nut, more efficiently hinder
Moisture, corrosive medium contact nut-screw, protect bolt from corrosion.
The utility model long service life can be used repeatedly；Bolt dismantling can be facilitated, reduced costs, added
Fast inspection speed, also ensures the safety of structure.
The utility model is structurally reasonable, site operation simple installation, time and labour saving.
The utility model bolt anti-corrosion device is aesthetic in appearance, can also be sun-proof, anticollision etc..
Illustrative description has been carried out to the utility model above in conjunction with attached drawing, it is clear that the realization of the utility model not by
The limitation of aforesaid way, if the method concept of the utility model and the various improvement of technical solution progress are used, or without
It improves and the conception and technical scheme of the utility model is directly applied into other occasions, in the protection scope of the utility model
It is interior.
Claims (13)
1. a kind of bolt anti-corrosion device, which is characterized in that including protective cover and sealing anticreep pedestal, the protective cover is open at one end
So that the screw rod and nut of bolt protrude into, the sealing anticreep pedestal is set in the outside of the nut, and is seal-installed on institute
The open end of protective cover is stated, the bottom of the sealing anticreep pedestal and the installation contact surface of bolt are tightly connected；The protective cover
Nut-protecting sleeve is additionally provided between the nut, and between the nut-protecting sleeve and the protective cover, the nut protect
It is tight fit between sheath and corresponding nut.
2. bolt anti-corrosion device according to claim 1, which is characterized in that the centre of the sealing anticreep pedestal is provided with
The through-hole structure to match with the nut outer cylinder；The upper surface of the sealing anticreep pedestal is provided with annular groove, the ring
The outside side wall of connected in star extends upward annular nib to wrap and connect protective cover open end periphery, and the annular nib is to institute
The center inclination for stating sealing anticreep pedestal is shunk.
3. bolt anti-corrosion device according to claim 2, which is characterized in that the annular of the sealing anticreep base upper surface
Bottom portion of groove is additionally provided with bulge loop structure with the annular groove tight fit with the protective cover open end.
4. bolt anti-corrosion device according to claim 2 or 3, which is characterized in that the bottom of the sealing anticreep pedestal is also
Annular groove is provided with to fill special seal gum.
5. bolt anti-corrosion device according to claim 1, which is characterized in that the nut-protecting sleeve is sheath structure, institute
The inner hole for stating nut-protecting sleeve is the through-hole structure to match with the nut outer cylinder, and the outer cylinder of the nut-protecting sleeve is done
At the shape to match at inner hole corresponding with the protective cover.
6. bolt anti-corrosion device according to claim 1 or 5, which is characterized in that the nut-protecting sleeve and the nut
It corresponds, the nut-protecting sleeve matched with the nut of outermost end, one end of inner hole is and the nut outer cylinder phase
The pore structure matched, the other end are Screw hole structures to cooperate with the screw rod of bolt.
7. bolt anti-corrosion device according to claim 1 or 5, which is characterized in that the nut-protecting sleeve and the nut
Correspond, the nut-protecting sleeve matched with the nut of outermost end, shape is step structure, one end of inner hole be with
The pore structure that the nut outer cylinder matches, the other end is Screw hole structure to cooperate with the screw rod of bolt, and the Screw hole structure
Endcapped.
8. bolt anti-corrosion device according to claim 1, which is characterized in that the open end of the protective cover is provided with annular
Groove.
9. bolt anti-corrosion device according to claim 1 or 8, which is characterized in that the open end of the protective cover is outside
Flaring structure.
10. bolt anti-corrosion device according to claim 1 or 8, which is characterized in that the protective cover includes body and set
Bar, the body is open at one end so that the screw rod and nut of bolt protrude into, and the other end connects one end of the loop bar；The loop bar
Internal diameter it is smaller than the internal diameter of the body, for the screw rod to be inserted in, the other end of the loop bar is closed.
11. bolt anti-corrosion device according to claim 10, which is characterized in that be equipped with and the screw rod in the loop bar
The internal screw thread that screw thread is meshed.
12. bolt anti-corrosion device according to claim 10, which is characterized in that be additionally provided with and hold between the body and loop bar
Hold portion.
13. according to claim 1, bolt anti-corrosion device described in 2,3,5,8,11 or 12, which is characterized in that the protective cover is adopted
It is made of metal or nonmetallic materials；The sealing anticreep pedestal and the nut-protecting sleeve using plastics or nylon or rubber or
Modified material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821030759.4U CN208565203U (en) | 2018-07-02 | 2018-07-02 | A kind of bolt anti-corrosion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821030759.4U CN208565203U (en) | 2018-07-02 | 2018-07-02 | A kind of bolt anti-corrosion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208565203U true CN208565203U (en) | 2019-03-01 |
Family
ID=65490367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821030759.4U Active CN208565203U (en) | 2018-07-02 | 2018-07-02 | A kind of bolt anti-corrosion device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208565203U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131279A (en) * | 2019-06-19 | 2019-08-16 | 嘉兴光明五金制品有限公司 | A kind of household electrical appliance modular nut |
| CN110566560A (en) * | 2019-10-09 | 2019-12-13 | 保定华铁电气化供电器材设备有限公司 | Sealing anti-falling base with protective cover of bolt anti-corrosion protection device |
| CN111576212A (en) * | 2020-04-08 | 2020-08-25 | 武汉船用机械有限责任公司 | Waterproof device for cable clamp |
| CN111609135A (en) * | 2020-04-08 | 2020-09-01 | 武汉船用机械有限责任公司 | Sealing device of cable clamp screw |
| CN113202850A (en) * | 2021-05-26 | 2021-08-03 | 浙江高强度紧固件有限公司 | Bolt group with protection function for nuclear power |
| CN113510624A (en) * | 2021-07-14 | 2021-10-19 | 贵州詹阳动力重工有限公司 | Shot blasting and hanging device for cross beam of all-terrain vehicle |
| CN113685422A (en) * | 2021-08-10 | 2021-11-23 | 王勇 | Foundation bolt protective cover |
| CN114439840A (en) * | 2022-02-28 | 2022-05-06 | 中国铁路设计集团有限公司 | Combined anti-drop bolt protective cover and installation method thereof |
-
2018
- 2018-07-02 CN CN201821030759.4U patent/CN208565203U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110131279A (en) * | 2019-06-19 | 2019-08-16 | 嘉兴光明五金制品有限公司 | A kind of household electrical appliance modular nut |
| CN110566560A (en) * | 2019-10-09 | 2019-12-13 | 保定华铁电气化供电器材设备有限公司 | Sealing anti-falling base with protective cover of bolt anti-corrosion protection device |
| CN111576212A (en) * | 2020-04-08 | 2020-08-25 | 武汉船用机械有限责任公司 | Waterproof device for cable clamp |
| CN111609135A (en) * | 2020-04-08 | 2020-09-01 | 武汉船用机械有限责任公司 | Sealing device of cable clamp screw |
| CN111576212B (en) * | 2020-04-08 | 2022-07-26 | 武汉船用机械有限责任公司 | Waterproof device for cable clamp |
| CN113202850A (en) * | 2021-05-26 | 2021-08-03 | 浙江高强度紧固件有限公司 | Bolt group with protection function for nuclear power |
| CN113510624A (en) * | 2021-07-14 | 2021-10-19 | 贵州詹阳动力重工有限公司 | Shot blasting and hanging device for cross beam of all-terrain vehicle |
| CN113685422A (en) * | 2021-08-10 | 2021-11-23 | 王勇 | Foundation bolt protective cover |
| CN114439840A (en) * | 2022-02-28 | 2022-05-06 | 中国铁路设计集团有限公司 | Combined anti-drop bolt protective cover and installation method thereof |
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