CN204609334U - Exposed steel bar Rustproofing apparatus - Google Patents
Exposed steel bar Rustproofing apparatus Download PDFInfo
- Publication number
- CN204609334U CN204609334U CN201520320330.9U CN201520320330U CN204609334U CN 204609334 U CN204609334 U CN 204609334U CN 201520320330 U CN201520320330 U CN 201520320330U CN 204609334 U CN204609334 U CN 204609334U
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- CN
- China
- Prior art keywords
- steel bar
- exposed steel
- closing device
- antirust sleeve
- outer segment
- Prior art date
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- Expired - Fee Related
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Abstract
The utility model discloses a kind of exposed steel bar Rustproofing apparatus, comprise antirust sleeve, closing device and aspirating hole; Described antirust sleeve one end is provided with the mouth of pipe and is placed on exposed steel bar outer wall by this mouth of pipe; Described extract opening is located at antirust sleeve sidewall and is only allowed gas to flow out antirust sleeve by this extract opening; Described closing device is the Flexible pipe fitting of both ends open and this closing device two ends are placed on antirust sleeve and exposed steel bar outer wall respectively and form sealing contact surface; Described antirust sleeve comprises outer segment and slides axially and be equipped with pipeline section in outer segment, and described interior pipeline section can stretch out or in retraction outer segment; The outer end of described interior pipeline section is closed, its inner and outer segment inner space.The utility model effectively can hinder the corrosion of the pre-buried exposed steel bar of slow construction work.
Description
Technical field
The utility model belongs to the device field of construction work, is specifically related to a kind of exposed steel bar Rustproofing apparatus.
Background technology
When construction work design of reinforced concrete structure and construction, the problems such as structure crack are caused for eliminating shrinkage strain in course of hardening, how in reinforced concrete structure, deformation joint and rear pouring concrete band to be set every certain length, need embedded bar at seam crossing, to ensure the globality of concrete structure more.Deformation joint embedded bar exposes the aerial time, determines according to the deformation requirements of structural concrete and construction technology, and be not generally 30d ~ 90d not etc., what have is even longer, more than 1 year, interval.These exposed steel bars get rusty in atmosphere very soon, and along with the lengthening of time, corrosion will be there is, slacken the cross section of reinforcing bar, after causing seam crossing concrete construction, overall structure will form weak link at seam crossing, even cause structural deterioration accident, and not carry out antirust special purpose device for the pre-buried exposed steel bar of construction work in prior art.
Therefore, for overcoming the above problems, need a kind ofly to carry out antirust exposed steel bar Rustproofing apparatus to the pre-buried exposed steel bar of construction work easily and effectively.
Utility model content
In view of this, the purpose of this utility model exposes the problems such as corrosion in atmosphere for the pre-buried exposed steel bar of existing construction work, provides a kind of exposed steel bar Rustproofing apparatus.
Exposed steel bar Rustproofing apparatus of the present utility model, comprises antirust sleeve, closing device and aspirating hole; Described antirust sleeve one end is provided with the mouth of pipe and is placed on exposed steel bar outer wall by this mouth of pipe; Described extract opening is located at antirust sleeve sidewall and is only allowed gas to flow out antirust sleeve by this extract opening; Described closing device is the Flexible pipe fitting of both ends open and this closing device two ends are placed on antirust sleeve and exposed steel bar outer wall respectively and form sealing contact surface; Described antirust sleeve comprises outer segment and slides axially and be equipped with pipeline section in outer segment, and described interior pipeline section can stretch out or in retraction outer segment; The outer end of described interior pipeline section is closed, its inner and outer segment inner space.
Further, be provided with the locking mechanism for locking its relative sliding between described outer segment and interior pipeline section, described locking mechanism comprises the blind hole being arranged at outer segment inwall, the steel ball be arranged in described blind hole, be arranged at described interior pipeline section outer wall and the lock slots coordinated with described steel ball and bullet peak at spring between described steel ball and blind hole.
Further, described outer segment comprises pipe shaft section and and the mouth of pipe section that insert in closing device in one-body molded with pipe shaft section;
Further, described closing device comprises soft cotton layer and is sheathed on the rubber layer outside soft cotton layer;
Further, described closing device two ends are wound with adhesive type sealing restraint zone;
Further, described antirust sleeve adopts durable rubber to be made;
Further, described mouth of pipe section outer circumference surface is provided with sealing internal thread;
Further, described closing device inner tubal wall is provided with the sealing external screw thread coordinated with described sealing thread;
The beneficial effects of the utility model are: exposed steel bar Rustproofing apparatus of the present utility model, after exposed steel bar wraps up by antirust sleeve, by closing device, the antirust sleeve mouth of pipe is shut, by existing exhaust plant, the gas in antirust sleeve is extracted out from extract opening again, antirust sleeve is made closely to be wrapped in exposed steel bar surface and to form a vacuum wall body in antirust sleeve, thus block the contact of reinforcing bar and air, slow down the corrosion of reinforcing bar, Rustproofing apparatus of the present utility model, its antirust sleeve closes outer segment by interior pipeline section and forms, can stretch vertically, therefore, it is possible to be applicable to the exposed steel bar of different length.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, technical solutions of the utility model are further illustrated:
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
Fig. 1 is structural representation of the present utility model, and as shown in the figure, the pre-buried exposed steel bar 7 of the construction work in the present embodiment Rustproofing apparatus, comprises antirust sleeve, closing device 8 and aspirating hole 2, described antirust sleeve one end is provided with the mouth of pipe and is placed on exposed steel bar 7 outer wall by this mouth of pipe, described extract opening is located at antirust sleeve sidewall and is only allowed gas to flow out antirust sleeve by this extract opening, described closing device 8 is the Flexible pipe fitting of both ends open and this closing device 8 two ends are placed on antirust sleeve and exposed steel bar 7 outer wall respectively and form sealing contact surface, described antirust sleeve comprises outer segment 3 and slides axially and is equipped with pipeline section 6 in outer segment 3, and described interior pipeline section 6 can stretch out or in retraction outer segment 3, the outer end of described interior pipeline section 6 is closed, its inner and outer segment 3 inner space, exposed steel bar 7 Rustproofing apparatus of the present embodiment, after exposed steel bar 7 wraps up by antirust sleeve, by closing device 8, the antirust sleeve mouth of pipe is shut, by existing exhaust plant, the gas in antirust sleeve is extracted out from extract opening again, antirust sleeve is made closely to be wrapped in exposed steel bar 7 surface and to form a vacuum wall body in antirust sleeve, thus block the contact of reinforcing bar 7 and air, slow down the corrosion of reinforcing bar 7, Rustproofing apparatus of the present utility model, its antirust sleeve closes outer segment 3 by interior pipeline section 6 and forms, can stretch vertically, therefore, it is possible to be applicable to the exposed steel bar 7 of different length.
In the present embodiment, the locking mechanism for locking its relative sliding is provided with between described outer segment 3 and interior pipeline section 6, described locking mechanism comprises the blind hole being arranged at outer segment 3 inwall, the steel ball 5 be arranged in described blind hole, be arranged at described interior pipeline section 6 outer wall and the lock slots coordinated with described steel ball 5 and bullet peak at spring 4 between described steel ball 5 and blind hole, when needing to carry out antirust treatment to longer exposed steel bar 7, interior pipeline section 6 can be extracted out and utilized locking mechanism to lock in outer segment 3, avoid interior pipeline section 6 to affect retraction by negative pressure.
In the present embodiment, described antirust sleeve comprises pipe shaft section and and the mouth of pipe section that insert in closing device 8 in one-body molded with pipe shaft section, and closing device 8 two ends form sealing contact surface with mouth of pipe section and exposed steel bar 7 surface respectively, thus makes formation seal chamber in antirust sleeve.
In the present embodiment, described closing device 8 comprises soft cotton layer and is sheathed on the rubber layer outside soft cotton layer, the flexible thin-walled rubber of closing device 8 can compress reinforcing bar 7 surface, and the space between the further filling thin-walled rubber of soft cotton material and reinforcing bar 7, and then significantly promote the sealing performance in antirust sleeve.
In the present embodiment, described closing device 8 two ends are wound with adhesive type sealing restraint zone 1, when operating personnel with closing device 8 by antirust sleeve ferrule after, adhesive type can be adopted to seal restraint zone 1 and to be wound around closing device 8 two ends, make it promote further the sealing performance of closing device 8.
In the present embodiment, described antirust sleeve adopts durable rubber to be made, because durable rubber has good elasticity, therefore by existing exhaust plant by after the extraction of antirust sleeve internal gas, elastic deformation can be there is and be closely wrapped in reinforcing bar 7 surface, when before concrete construction, after taking off antirust sleeve in antirust sleeve, antirust sleeve can return to initial configuration, is convenient to use next time.
In the present embodiment, described mouth of pipe section outer circumference surface is provided with sealing internal thread, for promoting connection reliability and the sealing effectiveness of closing device 8 and mouth of pipe section, sealed tube can be adopted to be threaded closing device 8 and antirust sleeve mouth of pipe section.
In the present embodiment, described closing device 8 inner tubal wall is provided with the sealing external screw thread coordinated with described sealing thread, adopts sealed tube to be threaded closing device 8 and antirust sleeve mouth of pipe section, can promote connection reliability and the sealing effectiveness of closing device 8 and mouth of pipe section.
A kind of exposed steel bar 7 Rustproofing apparatus that utilizes of the present embodiment carries out the antirust method of pre-buried exposed steel bar 7, comprises the following steps:
A, antirust sleeve is placed on the pre-buried exposed steel bar 7 of building;
B, antirust sleeve mouth of pipe section to be inserted in closing device 8;
C, utilize existing exhaust plant to extract air in antirust sleeve out, make to form vacuum in antirust sleeve
What finally illustrate is, above embodiment is only in order to illustrate the technical solution of the utility model and unrestricted, although be described in detail the utility model with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can modify to the technical solution of the utility model or equivalent replacement, and not departing from the spirit and scope of technical solutions of the utility model, it all should be encompassed in the middle of right of the present utility model.
Claims (7)
1. an exposed steel bar Rustproofing apparatus, is characterized in that: comprise antirust sleeve, closing device and aspirating hole; Described antirust sleeve one end is provided with the mouth of pipe and is placed on exposed steel bar outer wall by this mouth of pipe; Described extract opening is located at antirust sleeve sidewall and is only allowed gas to flow out antirust sleeve by this extract opening; Described closing device is the Flexible pipe fitting of both ends open and this closing device two ends are placed on antirust sleeve and exposed steel bar outer wall respectively and form sealing contact surface;
Described antirust sleeve comprises outer segment and slides axially and be equipped with pipeline section in outer segment, and described interior pipeline section can stretch out or in retraction outer segment; The outer end of described interior pipeline section is closed, its inner and outer segment inner space.
2. exposed steel bar Rustproofing apparatus according to claim 1, it is characterized in that: between described outer segment and interior pipeline section, be provided with the locking mechanism for locking its relative sliding, described locking mechanism comprises the blind hole being arranged at outer segment inwall, the steel ball be arranged in described blind hole, be arranged at described interior pipeline section outer wall and the lock slots coordinated with described steel ball and bullet peak at spring between described steel ball and blind hole.
3. exposed steel bar Rustproofing apparatus according to claim 2, is characterized in that: described outer segment comprises pipe shaft section and and the mouth of pipe section that insert in closing device in one-body molded with pipe shaft section.
4. exposed steel bar Rustproofing apparatus according to claim 3, is characterized in that: described closing device comprises soft cotton layer and is sheathed on the rubber layer outside soft cotton layer.
5. exposed steel bar Rustproofing apparatus according to claim 4, is characterized in that: described closing device two ends are wound with adhesive type sealing restraint zone.
6. exposed steel bar Rustproofing apparatus according to claim 5, is characterized in that: described mouth of pipe section outer circumference surface is provided with sealing internal thread.
7. exposed steel bar Rustproofing apparatus according to claim 6, is characterized in that: described closing device inner tubal wall is provided with the sealing external screw thread coordinated with described sealing thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520320330.9U CN204609334U (en) | 2015-05-18 | 2015-05-18 | Exposed steel bar Rustproofing apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520320330.9U CN204609334U (en) | 2015-05-18 | 2015-05-18 | Exposed steel bar Rustproofing apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204609334U true CN204609334U (en) | 2015-09-02 |
Family
ID=53961899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520320330.9U Expired - Fee Related CN204609334U (en) | 2015-05-18 | 2015-05-18 | Exposed steel bar Rustproofing apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204609334U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942870A (en) * | 2021-02-02 | 2021-06-11 | 中铁一局集团有限公司 | A protector for exposing reinforcing bar |
-
2015
- 2015-05-18 CN CN201520320330.9U patent/CN204609334U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112942870A (en) * | 2021-02-02 | 2021-06-11 | 中铁一局集团有限公司 | A protector for exposing reinforcing bar |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150902 Termination date: 20160518 |