CN201141385Y - Bolt protection device - Google Patents
Bolt protection device Download PDFInfo
- Publication number
- CN201141385Y CN201141385Y CNU200720173855XU CN200720173855U CN201141385Y CN 201141385 Y CN201141385 Y CN 201141385Y CN U200720173855X U CNU200720173855X U CN U200720173855XU CN 200720173855 U CN200720173855 U CN 200720173855U CN 201141385 Y CN201141385 Y CN 201141385Y
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- Prior art keywords
- bolt
- nuts
- protective gear
- bowl
- cup packing
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a bolt protective device which comprises a bolt cap and a bowl-shaped gasket; the outline of the bowl-shaped gasket is bowl-shaped; a through hole matched with the outer diameter of a bolt rod is arranged on the bowl bottom surface; the outer surface which is close to the upper rim is provided with external thread; the bolt cap is cap-shaped hollow structure; the inner thread matched with the outer thread of the bowl-shaped gasket is arranged on the inner surface close to the opening; the bowl-shaped gasket is matched with the bolt cap to form a sealed hollow cavity which can contain the exposed part of the bolt and the nut. The utility model also provides a bolt protective device which comprises a bolt cap; the bolt cap is cap-shaped hollow structure; a projection part is arranged on the inner side of the top part of the cap-shaped structure; a thread hole matched with the thread of the bolt is arranged on the projection part. The bolt protective device in the utility model can be adopted to protect the whole bolt completely.
Description
Technical field
The utility model relates to a kind of engineering fastening piece protective gear, particularly relates to a kind of bolt protective gear.
Background technique
Bolt is one of most widely used fastening connection piece on the engineering.
Present most bolt does not all have to adopt and prevents bolt corrosion and by the protective gear of impact damage.The above-mentioned screw bolt and nut long term exposure that is used for fastening connection is moist and be full of in the rugged environment such as impurity particle, the corrosion aging speed of himself is very fast, and bolt is being subjected to the external object bump can cause the damage of screw thread, thereby can cause Bolt Connection to lose efficacy.
Relatively Chang Yong bolt protective measure is to coat grease on screw bolt and nut, and the outer surface of bolt and surrounding environment are isolated.But, lost efficacy rapidly along with the loss of grease or in rugged environment, cause this method not implement protection to bolt long-term effectively.And the method for grease can not be implemented protection to coupled connecting hole place, can not prevent that more bolt is subjected to the bump of external force and damages.
For addressing the above problem, some corresponding solutions have been proposed in the prior art.
Authorizing open day is on September 8th, 2005, and authorizing publication number is the Chinese patent literature of CN2786349Y, discloses a kind of bolt protective gear.
As shown in Figure 1; the described bolt protective gear of this patent comprises O type elastic ring 4a and protective cap 1a; described o type elastic ring 4a is installed between nut 5a and the plain washer 9a, and described protective cap 1a is sleeved on the tail end of screw rod 10a, and rubber washer 6a is installed between protective cap 1a and the nut 5a.
Obviously, the technological scheme of this patent disclosure adopts the device of protective cap, is the Bolt-protecting cap of a bit of installation that exposes in the bolt thread section, is used to protect this section screw thread.Rubber washer 6a is installed between plain washer 9a and nut 5a, is used to protect this section of nut 5a screw thread, have the protective function to bolt tail, still, still there is certain defective in this patented technology.
At first, the bolt protective gear that this patent provides is at the afterbody of bolt a protective cap to be installed, and can not implement protection to the head of nuts and bolt, can not protect the connecting hole part of connected piece.
Secondly, the bolt protective gear that this patent provides is not installed seal arrangement on the surface of two connected pieces, and under fluid with certain pressure or corrosive liquid environment, above-mentioned bolt protective gear can not prevent the coupling part of liquid intrusion connected piece.
The model utility content
The purpose of this utility model provides a kind of bolt protective gear, to solve in the prior art bolt protective gear to the incomplete problem of the protection of bolt.
The utility model provides a kind of bolt protective gear, comprising: nuts and cup packing; The profile of described cup packing is a bowl-type, and its bowl bottom has the through hole that adapts to the bolt shank external diameter, and its outer surface near the bowl upper edge has outside thread; Described nuts is a cap shape hollow structure, and its internal surface near opening is offered the internal thread that matches with the outside thread of described cup packing; Match with the described nuts sealed cavity that forms of described cup packing can hold the exposed parts and the nut of bolt.
Preferably, described nuts is offered a step near the inboard of shade, described internal thread is promptly opened on the step edge, and the bowl of the bottom surface of this step and cup packing is along placing first seal ring between the end face, and its external diameter matches with the internal diameter of the stepped portions of described nuts.
Preferably, a boss is offered in the bottom surface of described cup packing; Place second seal ring between the last plane of described cup packing bottom surface and connected piece, its internal diameter matches with described cup packing boss external diameter.
Preferably, spraying of the outer surface of described nuts or stickup warning mark.
Preferably, described nuts top has the focusing surface of tightening this nuts.
Preferably, the focusing surface of described nuts specifically adopts the bolt head structure, and its boundary dimension is consistent with the boundary dimension of nut or bolt head.
The present invention provides a kind of bolt protective gear simultaneously, comprises nuts, and described nuts is a cap shape hollow structure, and the inboard lobed part of its cap shape structural top is offered threads engaged tapped hole with bolt at described convex portion.
Preferably, the bowl of described nuts is provided with first seal ring along between bottom and connected piece.
Preferably, described nuts top has the focusing surface of tightening this nuts.
Preferably, the focusing surface of described nuts specifically adopts the bolt head structure, and its boundary dimension is consistent with the boundary dimension of nut or bolt head.
Compare with the bolt protective gear of prior art, the beneficial effects of the utility model are:
At first, the bolt protective gear that the utility model provides cooperates by nuts and cup packing, forms an enclosed cavity, bolt head, bolt tail and nut can be included in this sealed hollow, thereby realization is to the general protection of bolt integral body.
Secondly, in preferred embodiment of the present utility model, seal by seal ring and plain washer two sides, thereby realize coupled the connecting hole and the protection of attachment hole internal screw to connected piece.
In a word, the bolt protective gear that the utility model provides have protection comprehensively, the effective advantage of protection, and can protect bolt not to be subjected to the bump of external object and destroy.
Description of drawings
Fig. 1 is a prior art bolt protective gear structural representation;
Fig. 2 is the plan view of the utility model first embodiment's bolt protective gear;
Fig. 3 is the plan view of the utility model first embodiment's bolt protective gear;
Fig. 4 is the plan view of the utility model second embodiment's bolt protective gear;
Fig. 5 is the plan view of the utility model the 3rd embodiment's bolt protective gear.
Embodiment
In order to make those skilled in the art better understand the technical solution of the utility model, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Referring to figs. 2 and 3, Fig. 2 is the utility model first embodiment's bolt protective gear plan view; Fig. 3 is the utility model first embodiment's bolt protective gear plan view.
As shown in Figure 2, the utility model first embodiment's bolt protective gear specifically comprises: first nuts 1, first seal ring 2, first cup packing 3 and second seal ring 4.
The profile of described first cup packing 3 is a bowl-type, and its bowl bottom has the through hole that adapts to bolt 10 external diameters, and its outer surface near the bowl upper edge is offered outside thread, offers a boss in the bottom surface of first cup packing 3.Place second seal ring 4 between the last plane of described first cup packing, 3 bottom surfaces and first connected piece 7, its internal diameter matches with described first cup packing, 3 boss external diameters.
Described first nuts 1 is a cap shape hollow structure, can form by metal or the plastic processing with certain intensity and special safeguard function.A step is offered in inboard near first nuts, 1 opening, offer the internal thread that matches with the outside thread of described first cup packing 3 opening on the step edge, described first cup packing 3 sealed cavity that forms that matches with described first nuts 1 can hold part, nut 5 or the bolt head that bolt 10 exposes.
Described first nuts 1 top has the focusing surface of tightening this first nuts 1; the concrete bolt head structure that adopts; its boundary dimension is consistent with the boundary dimension of nut 5 or bolt 10 heads, therefore can adopt with the just detachable above-mentioned bolt protective gear of a kind of spanner of specification.
Along placing first seal ring 2 between the end face, the external diameter of described first seal ring 2 matches with the internal diameter of the stepped portions of described first nuts 1 at the bowl of the step bottom surface of described first nuts 1 and first cup packing 3.
When concrete the application, first plain washer 9 working surface on paste the plain washer that the 3rd seal ring 11, the first plain washers 9 can adopt standard, also can adopt the plain washer that is processed into the band boss.
First plain washer 9 that is stained with the 3rd seal ring 11 is put into bolt 10, then bolt 10 is passed first connected piece 7 and second connected piece 8, make the side of first plain washer 9 at second connected piece 8.In the another side of first connected piece 7, first cup packing 3 that is stained with second seal ring 4 is put into bolt 10, successively elastic washer 6 is put into bolt 10 again.
Be screwed into nut 5, along with nut 5 is tightened, second seal ring 4 and the 3rd seal ring 11 of first connected piece 7 and second connected piece, 8 both sides are compressed by first plain washer 9 and first cup packing 3.Thereby can seal bolt 10 parts that are inserted in first coupled 7 and second connected piece 8.
At last, be screwed into first nuts 1 at an end of first cup packing 3, such first nuts 1 and first cup packing 3 have formed the cavity of a sealing, thereby realize the protection to the afterbody and the nut 5 of bolt 10.
The bolt protective gear that the utility model first embodiment provides; owing to adopt the cooperation of first cup packing 3 and first nuts 1; thereby form a sealed cavity, in the sealing cavity is included in bolt 10 afterbodys and nut 5, can effectively prevent its corrosion and by impact damage.
Simultaneously; because this mode of execution is installed second seal ring 4 and the 3rd seal ring 11 at the outerplanar of first connected piece 7 and second connected piece 8; thereby can prevent that impurity, water and other corrosive material from entering, thereby can effectively protect the screw portion of the connected piece of packing into and the connecting hole of connected piece.
With reference to figure 4, Fig. 4 is the utility model second embodiment's bolt protective gear plan view.
Because present embodiment accompanying drawing 4 exists and the identical parts of first embodiment's accompanying drawing, 2 26S Proteasome Structure and Functions, for ease of clearly expressing, these parts are set to same numbering.
As shown in Figure 4, present embodiment bolt protective gear specifically comprises: first cup packing 3, second cup packing 14, first nuts 1, second nuts 13 and first seal ring 2, second seal ring 4, the 3rd seal ring 11 and the 4th seal ring 12.
Paste second seal ring 4 in the bottom of described first cup packing 3, same, paste the 3rd seal ring 11 in the bottom of described second cup packing 14.
When concrete the application, will paste second cup packing 14 of the 3rd seal ring 11 earlier and put into bolt 10, then bolt 10 is passed first connected piece 7 and second connected piece 8, make the side of second cup packing 14 at connected piece 8.In a side of first connected piece 7, first cup packing 3 that is stained with second seal ring 4 is put into bolt 10, successively elastic washer 6 is put into bolt 10 again, and nut 5 is screwed into.Along with nut 5 is tightened gradually, the 3rd seal ring 11 and second seal ring 4 are compressed by second cup packing 14 and first cup packing 3.Thereby play sealing and be inserted into bolt part in first coupled 7 and second connected piece 8.Simultaneously, the connecting hole of second seal ring 4 and the 3rd seal ring 11 first connected piece 7 of having gone back seal protection and second connected piece 8.
At last; on first cup packing 3 and second cup packing 14, be screwed into first nuts 1 and second nuts 13 respectively; such first nuts 1 and first cup packing 3 have formed the cavity of a sealing; in the afterbody of bolt 10 and nut 5 be included in; equally; in the sealed cavity of second nuts 13 and second cup packing 14 is included in the head of bolt 10, thereby realize general protection to the integral body of bolt 10.
This shows that the bolt protective gear that this embodiment provides can be implemented comprehensively protection to the integral body of bolt 10 and the attachment hole of connected piece.
With reference to figure 5, Fig. 5 is the utility model the 3rd embodiment's bolt protective gear plan view.
Because present embodiment accompanying drawing 5 exists and first embodiment's accompanying drawing 2 and the identical parts of second embodiment's accompanying drawing, 3 26S Proteasome Structure and Functions, for ease of clearly expressing, these parts are set to same numbering.
As shown in Figure 5, the utility model the 3rd embodiment specifically comprises: the 3rd nuts 17 and first seal ring 2.Described the 3rd nuts 17 is specially cap shape hollow structure, and its cap shape structural top inboard has boss 16, offers the threads engaged tapped hole with bolt 10 on described boss 16.
When using, first plain washer 9 that will be stained with the 3rd seal ring 11 is earlier put into bolt 10, bolt 10 is passed first connected piece 7 and second connected piece 8 again, makes the side of first plain washer 9 at second connected piece 8.In the another side of first connected piece 7,, successively elastic washer 6 is put into bolts 10 again, and nut 5 is screwed into second plain washer 15 bolt 10 of packing into.
Paste first seal ring 2 on the edge, the end of the 3rd nuts 17, attach it to the tail end of bolt 10, such the 3rd nuts 17 and first seal ring 2 have formed the cavity of a sealing, thereby realize the protection to the afterbody and the nut 5 of bolt 10.
The bolt protective gear that the utility model the 3rd embodiment provides, the 3rd nuts 17 adopts another kind of structural type, can implement protection to the attachment hole of tail end, nut 5 and the connected piece of bolt 10 equally.
In addition, can on the periphery of nuts, spray or paste warning mark, with effect or the requirement that characterizes this connection, can also sticking reflecting material, be convenient to discern this bolt protective gear at night.
The above only is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a bolt protective gear is characterized in that, comprising: nuts and cup packing; The profile of described cup packing is a bowl-type, and its bowl bottom has the through hole that adapts to the bolt external diameter, and its outer surface near the bowl upper edge has outside thread; Described nuts is a cap shape hollow structure, and its internal surface near opening is offered the internal thread that matches with the outside thread of described cup packing; Match with the described nuts sealed cavity that forms of described cup packing can hold the exposed parts and the nut of bolt.
2. bolt protective gear as claimed in claim 1; described nuts is offered a step near the inboard of shade; described internal thread is promptly opened on the step edge; the bowl of the bottom surface of this step and cup packing is along placing first seal ring between the end face, its external diameter matches with the internal diameter of the stepped portions of described nuts.
3. bolt protective gear as claimed in claim 1 is characterized in that, a boss is offered in the bottom surface of described cup packing; Place second seal ring between the last plane of described cup packing bottom surface and connected piece, its internal diameter matches with described cup packing boss external diameter.
4. as each described bolt protective gear of claim 1 to 3, it is characterized in that the outer surface spraying of described nuts or stickup warning mark.
5. bolt protective gear as claimed in claim 4 is characterized in that, described nuts top has the focusing surface of tightening this nuts.
6. bolt protective gear as claimed in claim 5 is characterized in that the focusing surface of described nuts specifically adopts the bolt head structure, and its boundary dimension is consistent with the boundary dimension of nut or bolt head.
7. a bolt protective gear is characterized in that, comprises nuts, and described nuts is a cap shape hollow structure, and the inboard lobed part of its cap shape structural top is offered threads engaged tapped hole with bolt at described convex portion.
8. bolt protective gear as claimed in claim 7 is characterized in that, the bowl of described nuts is provided with first seal ring along between bottom and connected piece.
9. as claim 7 or 8 described bolt protective gears, it is characterized in that described nuts top has the focusing surface of tightening this nuts.
10. bolt protective gear as claimed in claim 9 is characterized in that the focusing surface of described nuts specifically adopts the bolt head structure, and its boundary dimension is consistent with the boundary dimension of nut or bolt head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720173855XU CN201141385Y (en) | 2007-10-29 | 2007-10-29 | Bolt protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720173855XU CN201141385Y (en) | 2007-10-29 | 2007-10-29 | Bolt protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201141385Y true CN201141385Y (en) | 2008-10-29 |
Family
ID=40069097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720173855XU Expired - Fee Related CN201141385Y (en) | 2007-10-29 | 2007-10-29 | Bolt protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201141385Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840215A (en) * | 2012-09-20 | 2012-12-26 | 浙江龙驰防腐技术有限公司 | Novel bolt nut protective structure |
| CN103821814A (en) * | 2014-03-11 | 2014-05-28 | 路荃琪 | Anti-theft and anti-disassembly nut shield |
| CN107190996A (en) * | 2017-06-12 | 2017-09-22 | 中冶天工集团天津有限公司 | A kind of protection device and its guard method for anti-brushing High-strength bolt hole |
| CN108916199A (en) * | 2018-07-23 | 2018-11-30 | 安徽六方重联机械股份有限公司 | A kind of dedicated screw with anti-corrosion effect of instrument and meter |
| JP2019132433A (en) * | 2013-09-23 | 2019-08-08 | ザ・ボーイング・カンパニーＴｈｅ Ｂｏｅｉｎｇ Ｃｏｍｐａｎｙ | Systems and methods for use in covering portion of fastener protruding from surface |
-
2007
- 2007-10-29 CN CNU200720173855XU patent/CN201141385Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102840215A (en) * | 2012-09-20 | 2012-12-26 | 浙江龙驰防腐技术有限公司 | Novel bolt nut protective structure |
| JP2019132433A (en) * | 2013-09-23 | 2019-08-08 | ザ・ボーイング・カンパニーＴｈｅ Ｂｏｅｉｎｇ Ｃｏｍｐａｎｙ | Systems and methods for use in covering portion of fastener protruding from surface |
| CN103821814A (en) * | 2014-03-11 | 2014-05-28 | 路荃琪 | Anti-theft and anti-disassembly nut shield |
| CN107190996A (en) * | 2017-06-12 | 2017-09-22 | 中冶天工集团天津有限公司 | A kind of protection device and its guard method for anti-brushing High-strength bolt hole |
| CN107190996B (en) * | 2017-06-12 | 2022-07-05 | 中冶天工集团天津有限公司 | Protection device and protection method for preventing high-strength bolt hole from being brushed |
| CN108916199A (en) * | 2018-07-23 | 2018-11-30 | 安徽六方重联机械股份有限公司 | A kind of dedicated screw with anti-corrosion effect of instrument and meter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081029 Termination date: 20121029 |