CN102873742B - Improved demoulding structure and concrete formwork with same - Google Patents
Improved demoulding structure and concrete formwork with same Download PDFInfo
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- CN102873742B CN102873742B CN201210377556.3A CN201210377556A CN102873742B CN 102873742 B CN102873742 B CN 102873742B CN 201210377556 A CN201210377556 A CN 201210377556A CN 102873742 B CN102873742 B CN 102873742B
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- overcoat
- concrete blinding
- demolding structure
- inner sleeve
- face
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Abstract
The invention discloses an improved demoulding structure comprising an outer cylindrical sleeve and an inner cover-shaped sleeve which are made of plastics. The inner sleeve is provided with a cover end face and is arranged in the outer sleeve and covers one end of the outer sleeve. The invention further discloses a concrete formwork with the improved demoulding structure. According to the improved demoulding structure, the inner sleeve and the outer sleeve made of plastics cannot be corroded and rust. Compared with an existing demoulding bolt mounted on the concrete formwork via threads, the inner sleeve and the outer sleeve are sleeved from inside to outside, and during demoulding, the inner sleeve is ejected out from the outer sleeve, an inner forming surface of the concrete formwork is separated from formed concrete surface under the action of ejection force of the inner sleeve, and thereby demoulding is realized. The improved demoulding structure with the inner sleeve and the outer sleeve which are sleeved to each other is high in operability, convenient and labor-saving.
Description
Technical field
The present invention relates to a kind of concrete blinding, particularly relate to the demolding structure on a kind of concrete blinding.
Background technology
A large amount of templates of using in the process of precast concrete, because the concrete blinding that difform building is used is different, therefore most template can not be reused and cause significant wastage; Adopted standardized modular unit, modular unit is reusable and can be spliced into the concrete blinding of various shapes for this reason.But this kind of concrete blinding is when the demoulding, by knocking, modular unit is peeled off from formation of concrete piece, modular unit can deform, each faying face of modular unit also correspondingly produces distortion, make modular unit produce larger piece, and knock the demoulding and also the concrete block of moulding is caused to impact to a certain degree.
In order to address the above problem, the applicant has applied for " a kind of improvement structure of Novel concrete formwork " that publication number is CN102407566A, comprise a plurality of modular units of mutual splicing and a plurality of for connecing the formwork with fastener-style of establishing a plurality of modular units, on described modular unit, be distributed with the stripper bolt that a plurality of demouldings are used.After concrete setting, towards formation of concrete piece direction rotation stripper bolt, under the active force screwing out at stripper bolt, template and formation of concrete piece are got loose.
Although modular unit is adopted made of plastic, under the effect of concrete, muddy water, metal stripper bolt can get rusty by burn into, and combines with modular unit, is difficult for throwing off from modular unit.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of improvement demolding structure that neither can rust corrosion be easy to again the demoulding.
Another object of the present invention is to also provide the convenient labour-saving of a kind of stripping operation to there is the concrete blinding that improves demolding structure.
In order to reach above-mentioned purpose, solution of the present invention is:
An improvement demolding structure, comprises the jacket and inner sleeve that plastics are made, and overcoat is tubular, and inner sleeve is to be covered shape and have the end face of lid, is inside set in overcoat and covers the end at overcoat.
Described overcoat comprises the first overcoat and the second overcoat that end links together.
The end that described the first overcoat is adjacent with described the second overcoat is socketed or is connected together, the outer step of respectively outwardly formation location, the end use that described the first overcoat is relative with described the second overcoat.
The described lid end face of the end face of described the first overcoat and described inner sleeve is mutually concordant.
A kind of concrete blinding with improvement demolding structure, concrete blinding has interior forming surface and the outer plate surface being oppositely arranged, and the lateral plates that connects interior forming surface and outer plate surface, on concrete blinding, be laid with the hole of the interior forming surface of a plurality of perforations and outer plate surface, in each hole, be respectively equipped with demolding structure, described demolding structure comprises the jacket and inner sleeve that plastics are made, overcoat is tubular, inner sleeve is to be covered shape and has the end face of lid, overcoat is embedded in described hole, is inside set in overcoat and covers an end that is positioned at described forming surface at overcoat.
Described overcoat comprises the first overcoat and the second overcoat that end links together, and the first overcoat points to described interior forming surface, and the second overcoat points to described outer plate surface.
The end that described the first overcoat is adjacent with described the second overcoat is socketed or is connected together, the outer step of respectively outwardly formation location, the end use that described the first overcoat is relative with described the second overcoat.
The described lid end face of the end face of described the first overcoat and described inner sleeve flushes in respectively described interior forming surface.
The end face of described the second overcoat flushes in described outer plate surface.
Concrete blinding is provided with cylindrical void, and cylindrical void connects two described lateral plates that are oppositely arranged, and in described outer plate surface, along cylindrical void bearing of trend, is provided with T-shaped groove, and the cross section of T-shaped groove is T-shaped.
Adopt after said structure, a modification of the present invention demolding structure has following beneficial effect: due to the jacket and inner sleeve in the present invention, adopt respectively made of plasticly, can not get rusty by burn into.Compare with the existing stripper bolt being arranged on concrete blinding by screw thread, the present invention is due to inner sleeve and the inside and outside sheathed mode of overcoat employing, while carrying out the demoulding, inner sleeve is ejected from overcoat, under the active force ejecting in inner sleeve, the concrete surface of the interior forming surface that makes concrete blinding from moulding thrown off, thereby realizes the demoulding.The strong operability of the inside and outside sheathed structure demoulding of the present invention, convenient, laborsaving.
Adopt after said structure, a kind of concrete blinding with improvement demolding structure of the present invention has following beneficial effect; Compare with the existing stripper bolt being arranged on concrete blinding by screw thread, the inner sleeve in the present invention and overcoat adopt inside and outside sheathed mode, and this structure only need go out inner sleeve immediate roof in overcoat can realize the demoulding, and strong operability is convenient, laborsaving.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation with the concrete blinding that improves demolding structure of the present invention;
Fig. 2 is the A-A cutaway view in Fig. 1;
Fig. 3 is the structural representation of an embodiment of demolding structure of the present invention;
Fig. 4 is a kind of structural representation with another embodiment of the concrete blinding that improves demolding structure of the present invention;
Fig. 5 is the structural representation of another embodiment of demolding structure of the present invention;
Fig. 6 is a kind of structural representation of an embodiment again with the concrete blinding that improves demolding structure of the present invention;
Fig. 7 is the structural representation of an embodiment again of demolding structure of the present invention.
In figure:
The interior forming surface 11 of concrete blinding 1
Outer plate surface 12 lateral plates 13
The T-shaped groove 15 of cylindrical void 14
Interior step 16 demolding structures 2
The outer step 211 of inner sleeve 21
Overcoat 22 first overcoats 221
The interior step 223 of the second overcoat 222
Outer step 224
The specific embodiment
In order further to explain technical scheme of the present invention, below by specific embodiment, the present invention will be described in detail.
As shown in Fig. 1 to 7, a kind of concrete blinding 1 that improves demolding structure that has of the present invention, adopts made of plasticly, has the interior forming surface 11 and the outer plate surface 12 that are oppositely arranged, and the lateral plates 13 of forming surface 11 and outer plate surface 12 in connecting.
In addition, concrete blinding 1 is provided with cylindrical void 14, and cylindrical void 14 connects two lateral plates 13 that are oppositely arranged, cylindrical void 14 can alleviate the weight of concrete blinding 1 on the one hand, saving material reduces costs, and also can improve on the other hand the intensity of concrete blinding 1, increases the service life.In outer plate surface 12, along cylindrical void 14 bearing of trends, be provided with T-shaped groove 15, the cross section of T-shaped groove 15 is T-shaped, and T-shaped groove 15 is to be used in conjunction with existing fastener structures on the one hand, and polylith concrete blinding 1 is stitched together, be used in conjunction with extractor on the other hand, thereby realize the demoulding.Wherein, the quantity of cylindrical void 14 and T-shaped groove 15 is determined according to the dimensions of concrete blinding 1.
The hole that is laid with the interior forming surface 11 of a plurality of perforations and outer plate surface 12 on concrete blinding 1, is respectively equipped with demolding structure 2 in each hole.
Embodiment mono-
As shown in Fig. 2 to 3, demolding structure 2 comprises an inner sleeve 21 and the overcoat 22 that plastics are made, and inner sleeve 21 is to be covered shape and have the end face of lid, and overcoat 22 is tubular.Overcoat 22 is embedded in above-mentioned hole, and inner sleeve 21 is arranged in overcoat 22 and covers the one end that is positioned at forming surface 11 at overcoat 22.The outer step 211 of the outwardly formation of above-mentioned lid end face of inner sleeve 21, step 223 in the recessed formation of internal face of the end of forming surface 11 in overcoat 22 points to, and outer step 211 and the mutual joining of interior step 223.
During assembling, first in the outside wall surface of overcoat 22, coat respectively bonding agent on the inner hole wall in the above-mentioned hole of concrete blinding 1, and then overcoat 22 is embedded in above-mentioned holes.Wherein, the quantity of demolding structure 2 is determined according to the dimensions of concrete blinding 1, and a plurality of demolding structures 2 form a line or multiple row, and every row demolding structure 2 is equidistant uniform, the setting of staggering of adjacent two row demolding structures 2.
While carrying out concreting, buckle inner sleeve 21 in overcoat 22, then concrete blinding 1 is barricaded as to required form, the forming cavity surrounding at concrete blinding 1 becomes casting concrete.After to be formed, from the outer plate surface 12 of concrete blinding 1, stretch in overcoat 22, inner sleeve 21 is ejected slightly in overcoat 22, the concrete of moulding and concrete blinding 1 are thrown off, thereby complete the demoulding, then dismantle concrete blinding 1.
The present embodiment is owing to adopting an inner sleeve 21 and an overcoat 22 of mutual fit, and overcoat 22 only at one end form in step 223, number of spare parts is few, simple in structure, is easy to assembling, is easy to die sinking, cost is low.
Embodiment bis-
As shown in Fig. 4 to 5, the main distinction of the present embodiment and embodiment mono-is the structure of overcoat 22.Overcoat 22 comprises that the first overcoat 221 that end links together is identical with the cylinder appearance and size of the second overcoat 222 with interior forming surface 11, the second overcoats 222 sensing outer plate surface 12, the first overcoats 221 of the second overcoat 222, the first overcoats 221 sensing.
The end that the first overcoat 221 is adjacent with the second overcoat 222 is socketed or is connected together, the outer step 224 of respectively outwardly formation location, the end use that the first overcoat 221 is relative with the second overcoat 222, and the second overcoat 222 points to the interior step 223 of the recessed formation of inwall of outer plate surface 12.Like this, overcoat 22 is embedded in concrete blinding 1, together with the first overcoat 221 is linked in mutually with the second overcoat 222, is difficult for unclamping, and by outer step 224, is fastened in concrete blinding 1, is also difficult for taking off from concrete blinding 1.
During assembling, the first overcoat 221 and the second overcoat 222 respectively correspondence embed in above-mentioned holes from interior forming surface 11 and the outer plate surface 12 of concrete blinding 1.The outer step 224 of the first overcoat 221 and the second overcoat 222 is overlapped on respectively in interior forming surface 11 and outer plate surface 12.The process that the present embodiment carries out casting concrete and the demoulding is identical with embodiment mono-, does not repeat them here.
The concrete surface that adopts the present embodiment to build after moulding is smooth, can be not uneven.Because the physical dimension of the first overcoat 221 and the second overcoat 222 is roughly the same, be convenient to die sinking manufacture, and after concrete blinding 1 is directly offered above-mentioned hole, demolding structure 2 is embedded and can complete assembling, the structure of concrete blinding 1 is comparatively simple, is easy to die sinking manufacture.
Embodiment tri-
As shown in Fig. 6 to 7, the main distinction of the present embodiment and embodiment bis-is the structure of concrete blinding 1.
The inner hole wall at the two ends in the above-mentioned hole of concrete blinding 1 is recessed respectively, thus corresponding form with the first overcoat 221 and the second overcoat 222 on the interior step 16 of outer step 224 phase joinings.Like this, it is concordant that the end face that the lid end face of the inner face of the first overcoat 221 and inner sleeve 21 flushes in respectively interior forming surface 11, the second overcoats 222 mutually flushes in outer plate surface 12.In addition, interior step 223 also can be set on the inwall of the second overcoat 222.
In the present embodiment, on concrete blinding 1, embed after demolding structure 2, in interior forming surface 11 and outer plate surface 12, there is no concavo-convex uneven part, both be convenient to formation of concrete, be beneficial to again the stacking concrete blinding 1 of piling up, can not damage concrete blinding 1 because of up-and-down surface, can extend the service life of concrete blinding 1.
In sum, due to the concrete blinding 1 in the present invention, overcoat 22 and inner sleeve 21, adopt respectively made of plasticly, can not get rusty by burn into.Compare with the existing stripper bolt being arranged on concrete blinding by screw thread, the present invention is due to inner sleeve 21 and the inside and outside sheathed mode of overcoat 22 employing, while carrying out the demoulding, inner sleeve 21 is ejected from overcoat 22, under the active force ejecting in inner sleeve 21, the concrete surface of the interior forming surface 11 that makes concrete blinding 1 from moulding thrown off, thereby realizes the demoulding.The strong operability of the inside and outside sheathed structure demoulding of the present invention, convenient, laborsaving.
Above-described embodiment and accompanying drawing non-limiting product form of the present invention and style, suitable variation or modification that any person of an ordinary skill in the technical field does it, all should be considered as not departing from patent category of the present invention.
Claims (10)
1. improve a demolding structure, it is characterized in that: comprise the jacket and inner sleeve that plastics are made, overcoat is tubular, inner sleeve is to be covered shape and has the end face of lid, is inside set in overcoat and covers the end at overcoat.
2. a kind of improvement demolding structure as claimed in claim 1, is characterized in that: described overcoat comprises the first overcoat and the second overcoat that end links together.
3. a kind of improvement demolding structure as claimed in claim 2, it is characterized in that: the end that described the first overcoat is adjacent with described the second overcoat is socketed or is connected together the outer step of respectively outwardly formation location, the end use that described the first overcoat is relative with described the second overcoat.
4. a kind of improvement demolding structure as claimed in claim 2, is characterized in that: the described lid end face of the end face of described the first overcoat and described inner sleeve is mutually concordant.
5. one kind has the concrete blinding that improves demolding structure, concrete blinding has interior forming surface and the outer plate surface being oppositely arranged, and the lateral plates that connects interior forming surface and outer plate surface, on concrete blinding, be laid with the hole of the interior forming surface of a plurality of perforations and outer plate surface, in each hole, be respectively equipped with demolding structure, it is characterized in that: described demolding structure comprises the jacket and inner sleeve that plastics are made, overcoat is tubular, inner sleeve is to be covered shape and has the end face of lid, overcoat is embedded in described hole, is inside set in overcoat and covers an end that is positioned at described forming surface at overcoat.
6. a kind of concrete blinding that improves demolding structure that has as claimed in claim 5, it is characterized in that: described overcoat comprises the first overcoat and the second overcoat that end links together, the first overcoat points to described interior forming surface, and the second overcoat points to described outer plate surface.
7. a kind of concrete blinding that improves demolding structure that has as claimed in claim 6, it is characterized in that: the end that described the first overcoat is adjacent with described the second overcoat is socketed or is connected together the outer step of respectively outwardly formation location, the end use that described the first overcoat is relative with described the second overcoat.
8. a kind of concrete blinding that improves demolding structure that has as claimed in claim 6, is characterized in that: the described lid end face of the end face of described the first overcoat and described inner sleeve flushes in respectively described interior forming surface.
9. a kind of concrete blinding that improves demolding structure that has as claimed in claim 6, is characterized in that: the end face of described the second overcoat flushes in described outer plate surface.
10. a kind of concrete blinding that improves demolding structure that has as claimed in claim 5, it is characterized in that: concrete blinding is provided with cylindrical void, cylindrical void connects two described lateral plates that are oppositely arranged, and in described outer plate surface, along cylindrical void bearing of trend, is provided with T-shaped groove, and the cross section of T-shaped groove is T-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210377556.3A CN102873742B (en) | 2012-09-29 | 2012-09-29 | Improved demoulding structure and concrete formwork with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210377556.3A CN102873742B (en) | 2012-09-29 | 2012-09-29 | Improved demoulding structure and concrete formwork with same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102873742A CN102873742A (en) | 2013-01-16 |
| CN102873742B true CN102873742B (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210377556.3A Expired - Fee Related CN102873742B (en) | 2012-09-29 | 2012-09-29 | Improved demoulding structure and concrete formwork with same |
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| Country | Link |
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| CN (1) | CN102873742B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2529866A (en) * | 2014-09-04 | 2016-03-09 | Ant Hire Solutions Llp | Manhole shutter apparatus and method |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4427619A (en) * | 1980-08-25 | 1984-01-24 | Peterson Carl W | Concrete forming system and method of using it |
| CN2774737Y (en) * | 2005-03-22 | 2006-04-26 | 李国纯 | Block mould |
| CN101486224B (en) * | 2009-03-06 | 2011-04-20 | 杨秋利 | Track plate formwork system |
| CN202344644U (en) * | 2011-12-19 | 2012-07-25 | 董久红 | Forming mold special for manufacture of synthetic sole timber |
| CN202826022U (en) * | 2012-09-29 | 2013-03-27 | 许金锔 | Improved demoulding structure and concrete blinding with the same |
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2012
- 2012-09-29 CN CN201210377556.3A patent/CN102873742B/en not_active Expired - Fee Related
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| CN102873742A (en) | 2013-01-16 |
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Granted publication date: 20140910 Termination date: 20170929 |
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