CN204152204U - Concrete slab reserving hole structure - Google Patents
Concrete slab reserving hole structure Download PDFInfo
- Publication number
- CN204152204U CN204152204U CN201420500373.0U CN201420500373U CN204152204U CN 204152204 U CN204152204 U CN 204152204U CN 201420500373 U CN201420500373 U CN 201420500373U CN 204152204 U CN204152204 U CN 204152204U
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- China
- Prior art keywords
- sleeve
- cover plate
- concrete slab
- reserving hole
- concrete
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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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- 238000010079 rubber tapping Methods 0.000 claims description 10
- 125000003003 spiro group Chemical group 0.000 claims description 4
- 238000010276 construction Methods 0.000 abstract description 15
- 239000000463 material Substances 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 7
- 239000004615 ingredient Substances 0.000 abstract description 3
- 230000008447 perception Effects 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract 1
- 238000009415 formwork Methods 0.000 description 15
- 239000011148 porous material Substances 0.000 description 7
- 239000003795 chemical substances by application Substances 0.000 description 4
- 238000009435 building construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The utility model provides a kind of concrete slab reserving hole structure, comprising: concrete bottom template, reserving hole region in concrete bottom template; The sleeve that arrange corresponding to the diameter of perforated, the upper opening of described sleeve is provided with a cover plate; Be arranged in the standing screw external member of cover plate and sleeve, for locking cover plate and sleeve.Beneficial effect: draw materials conveniently, construction sequence is simple, can ensure hole to be provided position and accuracy of gauge, and perception is attractive in appearance, cost-saving, and construction speed is fast, and each ingredient convenient disassembly, also can not cause damage to concrete structure in the process of dismounting.
Description
Technical field
The utility model belongs to technical field of building construction, relates to a kind of concrete slab reserving hole structure.
Background technology
In building structure construction process, for coordinating water power installation or other purposes, when concrete plate needs the hole of reserved 100mm to 200mm, undertaken assembled by template, sometimes for box out facilitates direct by pipe hole pre-retained side hole on concrete slab, construction is got up and is compared expense material of taking a lot of work on the one hand, and the effect of having constructed on the other hand is not good yet.The also useful PVC sleeve pipe box out of traditional reserved round hole mode, but mainly the later stage removes more difficult, does not even tear open not out, affects to later stage shutoff, and can not reuse, cause certain waste and loss.
Utility model content
For overcoming the defect existing for prior art, the purpose of this utility model there are provided a kind of concrete slab and reserves borehole structure, and solve speed of application slow, construction cost is high, the problem such as can not to reuse.
A kind of concrete slab reserving hole structure, comprising: concrete bottom template, reserving hole region in concrete bottom template; The sleeve that arrange corresponding to the diameter of perforated, the upper opening of described sleeve is provided with a cover plate; Be arranged in the standing screw external member of cover plate and sleeve, for locking cover plate and sleeve.
Preferably, the radial direction of described sleeve is provided with all slots, arranged in a crossed manner for described sleeve joint-cutting two ends barrel.
Preferably, all sides that described sleeve is connected with described concrete bottom template are arranged and is fixed on many groups of the first position-limiting units on soffit formwork and at least one group of the second position-limiting unit, described first position-limiting unit comprises two locating parts being positioned at described sleeve perisporium ectonexine and being crisscross arranged, and described second position-limiting unit comprises two locating parts at the two ends laying respectively at described joint-cutting.
Preferably, described sleeve is PVC sleeve pipe, at PVC sleeve outer wall brush release agent.
Preferably, described standing screw external member comprises: a screw thread screw rod, and the length that described screw thread spiro rod length is greater than sleeve is arranged, and install self-tapping screw at the tip of screw thread screw rod, a hold-down nut, described hold-down nut cover adapts to described screw thread screw rod.
Preferably, described cover plate adopts template construct, and the corresponding sleeve diameter of cover plate size is arranged.
A kind of concrete slab reserving hole structure that the utility model provides, concrete is intercepted by selecting a sleeve and buckle a cover plate on sleeve, after running through described cover plate and described sleeve by standing screw external member, sleeve and cover plate are connected and fixed on concrete slab soffit formwork, thus effectively prevent the concrete of building to enter reserving hole.This structure and method are drawn materials conveniently, and construction sequence is simple, can ensure hole to be provided position and accuracy of gauge, and perception is attractive in appearance, cost-saving, and construction speed is fast, and each ingredient convenient disassembly, also can not cause damage to concrete structure in the process of dismounting.
In addition, the material of sleeve is utilized to have certain intensity and deformable elastic characteristic, at radial cuts one joint-cutting of sleeve, the diameter achieving sleeve is adjustable, after utilizing locating part fixing, can meet the preformed hole construction of different size, achieve and can reuse, and in the process of dismounting, tighten sleeve by joint-cutting place, add the convenience of dismounting.
Accompanying drawing explanation
Fig. 1 is the structural representation that concrete bottom template reserving hole region in round pore space structure reserved by the utility model concrete slab;
Fig. 2 is the structural representation that round pore space structure middle sleeve reserved by the utility model concrete slab;
Fig. 3 is that the sleeve top view being provided with locating part in round pore space structure reserved by the utility model concrete slab;
Fig. 4 is the structural representation that standing screw external member in round pore space structure reserved by the utility model concrete slab;
Fig. 5 is the exploded view that round pore space structure reserved by the utility model concrete slab;
Fig. 6 is the structural representation after the assembling of round pore space structure reserved by the utility model concrete slab;
Fig. 7 is the structural representation of the utility model concrete slab when reserving form removal in round pore space structure.
Detailed description of the invention
For the benefit of to the understanding of structure of the present utility model, be described below in conjunction with drawings and Examples.
The utility model provides a kind of concrete slab reserving hole structure, comprising: concrete bottom template 10, sleeve 20, cover plate 30 and standing screw external member 40.
Refer to Fig. 1 to Fig. 6, concrete bottom template 10, reserving hole region 11 in concrete bottom template 10;
Sleeve 20, correspondingly with the diameter of perforated 11 is arranged, and sleeve 20 is specially PVC sleeve pipe, at PVC sleeve outer wall brush release agent.The upper opening of described sleeve 20 is provided with a cover plate 30, and this cover plate 30 adopts template construct, and the corresponding sleeve diameter of cover plate 30 size is arranged.Further, the radial direction of described sleeve 20 is provided with all slots 21, arranged in a crossed manner for described sleeve 20 joint-cutting two ends barrel, and the diameter of sleeve 20 can be regulated corresponding perforated 11.Further, all sides that described sleeve 20 is connected with described concrete bottom template 10 are arranged and is fixed on many groups of the first position-limiting units 221 on soffit formwork 10 and at least one group of the second position-limiting unit 222, described first position-limiting unit 221 comprises two locating parts 23 being positioned at described sleeve 20 perisporium ectonexine and being crisscross arranged, and described second position-limiting unit 222 comprises two spacing 23 of the two ends laying respectively at described joint-cutting.In the present embodiment, the first position-limiting unit 221 is three groups, and the second position-limiting unit 222 is one group, and described first position-limiting unit 221 and described second position-limiting unit 222 be restriction sleeve 20 jointly.And the diameter of sleeve 20 is greater than or equals the diameter of perforated 11, in addition, sleeve 20 is preferably PVC sleeve pipe.
Standing screw external member 40, is arranged in cover plate 30 and sleeve 20, for locking cover plate 30 and sleeve 20.Standing screw external member 40 comprises: a screw thread screw rod 41, and this screw thread screw rod 41 length is greater than the length of sleeve 20, a hold-down nut 42, coordinates screw thread screw rod 41 locking sleeve 20 and cover plate 30, and is furnished with most advanced and sophisticated fixture 43 at the tip of screw thread screw rod 41.Be self-tapping screw in most advanced and sophisticated fixture 43 the present embodiment, standing screw external member 40 lock cover plate 30 and sleeve 20 time, the center of circle of reserved opening is aimed at the self-tapping screw 43 at screw thread screw rod 41 tip, cover plate 30 is dropped on PVC sleeve pipe, then nut is twisted downwards, self-tapping screw is fixed in concrete bottom template 10, until tighten fixing by cover plate 30 and sleeve 20.
Shown in composition graphs 1 to Fig. 7, it is as follows that the utility model provides a kind of concrete slab reserving hole structure construction step:
Step S1, provides concrete slab soffit formwork, and reserving hole region on described concrete slab soffit formwork, determines hole area size.
Step S2, make the sleeve that arrange corresponding to described hole region, the sleeve diameter that comprising provides is not less than the diameter of reserved opening, and by sleeve radial cuts one joint-cutting, make sleeve joint-cutting two ends barrel arranged in a crossed manner, the diameter for sleeve is adjustable.The material of sleeve is utilized to have certain intensity and deformable elastic characteristic, for dismounting fast.In the present embodiment, sleeve is PVC sleeve pipe, at PVC outside of sleeve brush release agent, so that later stage form removal is convenient.
One standing screw external member is provided, comprises: provide a screw thread screw rod, screw thread spiro rod length is greater than the length of sleeve, and screw rod unitary strip screw thread, one hold-down nut is provided, coordinates screw thread screw rod locking sleeve and cover plate, and be furnished with most advanced and sophisticated fixture at the tip of screw thread screw rod.
There is provided a cover plate, comprising: adopt common templates to make, the corresponding sleeve diameter of cover plate size is arranged, and makes cover plate can the opening of cover sleeve.
Step S3, assemble each building block, first according to position and the size of perforated, sleeve is fixed on concrete slab soffit formwork, the perisporium of described sleeve arranges many groups the first position-limiting unit and at least one group of the second position-limiting unit, described first position-limiting unit comprises two locating parts being positioned at described sleeve perisporium ectonexine and being crisscross arranged, described second position-limiting unit comprises two locating parts at the two ends laying respectively at described joint-cutting, and described first position-limiting unit and described second position-limiting unit limit described sleeve jointly.In the present embodiment, first position-limiting unit is three groups, second position-limiting unit is one group, locating part is preferably spike, then on screw thread screw rod, penetrates nut and cover plate successively, with the center of circle of reserved opening in the self-tapping screw alignment holes region of screw thread screw tip, cover plate is buckled on the opening of sleeve, then described screw thread screw rod is screwed downwards, self-tapping screw is connected with described concrete slab soffit formwork, until cover plate and sleeve are anchored on described concrete slab soffit formwork.
Step S4, concreting in concrete slab soffit formwork.
Step S5, carries out form removal, comprises after concrete setting, unloading standing screw and nut, take off standing screw, then extract inside sleeve and follow closely the locating part spike on soffit formwork, after spike takes out, by tightening the helical form barrel of the vertical cutting of sleeve, remove sleeve and cover plate.
Below the Specific construction details of the utility model concrete slab preformed hole construction structure is described.The first step: determine the home position in round hole that will reserve and the diameter at hole on the soffit formwork of concrete slab, carry out preformed hole construction when placing of reinforcement at the bottom of colligation plate.
Second step: the PVC sleeve pipe that corresponding size diameter is provided, the diameter of PVC sleeve pipe is not less than the diameter of reserved opening, PVC sleeve pipe is needed vertically to cut a tangent line, PVC sleeve pipe tangent line place tube wall is intersected, to form helical form, in order to regulate PVC casing diameter size, soffit formwork nail in the both sides of the disconnection of the both sides that sleeve perisporium ectonexine interlocks and described joint-cutting, PVC outside of sleeve wall brush release agent, to ensure that later stage form removal is convenient.
3rd step: make standing screw, standing screw can adopt the screw thread screw rod of diameter 14 to 18mm, spiro rod length is greater than the length of PVC sleeve pipe, and screw rod unitary strip screw thread, is furnished with hold-down nut, top is furnished with self-tapping screw, and screw rod welds together, and self-tapping screw is located on the center of circle of described screw rod.
4th step: make cover plate, cover plate can adopt common templates to make, and can be made into square, and size dimension is elongated at least large than the diameter of PVC sleeve pipe 10cm, fixing to facilitate.Punching in the middle of cover plate, bore dia 2mm to 4mm larger than screw diameter, fixes with hold-down nut to facilitate.
5th step: install: first according to location and the size of preformed hole, with nail, PVC sleeve pipe is fixed on concrete slab soffit formwork, then on standing screw, penetrate nut and cover plate successively, this step nut can be twisted as far as possible backward, reserves enough distances to PVC sleeve pipe.With the self-tapping screw at standing screw tip, aim at the center of circle of reserved opening, cover plate is dropped on PVC sleeve pipe, then nut is twisted downwards, until cover plate and PVC sleeve pipe are tightened, fixation.
6th step: concreting, after concrete setting, reserving hole is shaping.
7th step: form removal, first come loose standing screw and nut, takes off standing screw, then opens out inside PVC sleeve pipe and follow closely the nail on soffit formwork, after nail takes out, only PVC sleeve pipe need be knocked gently, can easily take out this sleeve pipe.The key that this sleeve pipe can easily take out is to have done vertical cutting to PVC sleeve pipe, forms helical form.
8th step: cleaned out by sleeve pipe, treats that next time is reused.
A kind of concrete slab reserving hole structure that the utility model provides, concrete is intercepted by selecting a sleeve and buckle a cover plate on sleeve, after running through described cover plate and described sleeve by standing screw external member, sleeve and cover plate are connected and fixed on concrete slab soffit formwork, thus effectively prevent the concrete of building to enter reserving hole.This structure is drawn materials conveniently, and construction sequence is simple, can ensure hole to be provided position and accuracy of gauge, and perception is attractive in appearance, cost-saving, and construction speed is fast, and each ingredient convenient disassembly, also can not cause damage to concrete structure in the process of dismounting.
In addition, the material of the sleeve utilized has certain intensity and deformable elastic characteristic, at radial cuts one joint-cutting of sleeve, the diameter achieving sleeve is adjustable, after utilizing locating part fixing, can meet the preformed hole construction of different size, achieve and can reuse, and in the process of dismounting, tighten sleeve by joint-cutting place, add the convenience of dismounting.
Below embodiment has been described in detail the utility model by reference to the accompanying drawings, and those skilled in the art can make many variations example to the utility model according to the above description.Thus, some details in embodiment should not formed restriction of the present utility model, the utility model by the scope that defines using appended claims as protection domain.
Claims (6)
1. a concrete slab reserving hole structure, is characterized in that, comprising:
Concrete bottom template, reserving hole region in described concrete bottom template;
The sleeve that arrange corresponding to the diameter in described hole region, the upper opening of described sleeve is provided with a cover plate;
Be arranged in the standing screw external member of described cover plate and described sleeve, for the described cover plate of locking and described sleeve.
2. concrete slab reserving hole structure as claimed in claim 1, it is characterized in that, the radial direction of described sleeve is provided with all slots, arranged in a crossed manner for described sleeve joint-cutting two ends barrel.
3. concrete slab reserving hole structure as claimed in claim 2, it is characterized in that, all sides that described sleeve is connected with described concrete bottom template are provided with and are fixed on many groups of the first position-limiting units in described concrete bottom template and at least one group of the second position-limiting unit, described first position-limiting unit comprises two locating parts being positioned at described sleeve perisporium ectonexine and being crisscross arranged, and described second position-limiting unit comprises two locating parts at the two ends laying respectively at described joint-cutting.
4. concrete slab reserving hole structure as claimed in claim 1, it is characterized in that, described sleeve is PVC sleeve pipe, at the Brush for outer wall release agent of PVC sleeve pipe.
5. concrete slab reserving hole structure as claimed in claim 1, it is characterized in that, described standing screw external member comprises: a screw thread screw rod and a hold-down nut, described screw thread spiro rod length is greater than the length of described sleeve, be provided with self-tapping screw at the tip of described screw thread screw rod, described hold-down nut cover adapts to described screw thread screw rod.
6. concrete slab reserving hole structure as claimed in claim 1, it is characterized in that, described cover plate is template, and the size correspondence of described cover plate is arranged at described sleeve diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420500373.0U CN204152204U (en) | 2014-09-02 | 2014-09-02 | Concrete slab reserving hole structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420500373.0U CN204152204U (en) | 2014-09-02 | 2014-09-02 | Concrete slab reserving hole structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204152204U true CN204152204U (en) | 2015-02-11 |
Family
ID=52510330
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420500373.0U Expired - Fee Related CN204152204U (en) | 2014-09-02 | 2014-09-02 | Concrete slab reserving hole structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204152204U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264883A (en) * | 2014-09-02 | 2015-01-07 | 中国建筑第八工程局有限公司 | Concrete slab reserved hole structure and construction method thereof |
| CN109235881A (en) * | 2018-10-12 | 2019-01-18 | 北京天润建设有限公司 | A kind of floor slab preformed hole casing bit and its construction method |
-
2014
- 2014-09-02 CN CN201420500373.0U patent/CN204152204U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104264883A (en) * | 2014-09-02 | 2015-01-07 | 中国建筑第八工程局有限公司 | Concrete slab reserved hole structure and construction method thereof |
| CN109235881A (en) * | 2018-10-12 | 2019-01-18 | 北京天润建设有限公司 | A kind of floor slab preformed hole casing bit and its construction method |
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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 |
Granted publication date: 20150211 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |