CN220319171U - Exposed reinforcing steel bar protection device for concrete pouring structure - Google Patents
Exposed reinforcing steel bar protection device for concrete pouring structure Download PDFInfo
- Publication number
- CN220319171U CN220319171U CN202321503538.5U CN202321503538U CN220319171U CN 220319171 U CN220319171 U CN 220319171U CN 202321503538 U CN202321503538 U CN 202321503538U CN 220319171 U CN220319171 U CN 220319171U
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- Prior art keywords
- sleeve
- exposed
- steel bar
- assembly
- shell
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- 239000004567 concrete Substances 0.000 title claims abstract description 30
- 229910001294 Reinforcing steel Inorganic materials 0.000 title claims abstract description 20
- 230000001681 protective effect Effects 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 6
- 239000012780 transparent material Substances 0.000 claims description 3
- 230000001012 protector Effects 0.000 claims description 2
- 230000002787 reinforcement Effects 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 29
- 239000010959 steel Substances 0.000 abstract description 29
- 230000002633 protecting effect Effects 0.000 abstract description 7
- 238000009435 building construction Methods 0.000 abstract description 2
- 229920003023 plastic Polymers 0.000 description 20
- 239000004033 plastic Substances 0.000 description 19
- 238000010276 construction Methods 0.000 description 12
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 239000011083 cement mortar Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000003670 easy-to-clean Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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- Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)
Abstract
The utility model belongs to the field of building construction, and discloses an exposed steel bar protection device of a concrete pouring structure. According to the utility model, after the end part of the exposed steel bar is clamped by the clamping assembly, the periphery of the exposed steel bar is effectively protected by the sleeve assembly, and then the top is protected by the protecting end cover, so that the exposed steel bar is effectively and comprehensively isolated; the clamping assembly, the sleeve assembly and the protective end cover are assembled into a whole, the device can be directly sleeved with the exposed reinforcing steel bars, the operation is simple and quick, the device can be integrally disassembled during disassembly, any part is not required to be destroyed, the device can be repeatedly used, the sleeve assembly adopts the elastic sleeve assembly with the telescopic function, and the protection of the exposed reinforcing steel bars with different lengths is met.
Description
Technical Field
The utility model relates to the field of building construction, in particular to an exposed reinforcing steel bar protection device of a concrete pouring structure.
Background
In the existing construction process of building engineering, especially in the pouring construction of reinforced concrete structure, in order to meet the design and construction requirements of the building, such as eliminating the problems of structural cracking and the like caused by shrinkage deformation in the hardening process of the concrete, the concrete structure is often constructed in sections, according to the construction process of the concrete structure, a section of building structure is usually idle for a period of time, generally 30-90 days, some are even longer, more than 1 year apart, or during the shutdown period of engineering treatment due to some reasons, exposed steel bars of the concrete structure are easy to rust in the air quickly during the idle period, thus influencing the subsequent construction, and rust occurs along with the lengthening of time, so that the sectional area of the steel bars is reduced, and even structural failure accidents are easy to cause.
In the existing construction process, the surface of the steel bar is coated with cement mortar, antirust paint and the like for rust prevention; but the construction process is troublesome and the efficiency is low; cement mortar is adopted for rust prevention, and along with the extension of time, the cement is easy to weather, so that the cement is easy to fall off; the rust-proof paint can greatly increase the construction cost and is not easy to clean.
In the prior art, the problem that the steel bars are easy to rust in the air is solved by using the device for isolating the exposed steel bars by using the plastic sleeve, such as: the Chinese patent application number CN201720441969.1 discloses a concrete pouring structure exposed reinforcing steel bar protection structure, which comprises a concrete structure body and reinforcing steel bars exposed out of the concrete structure body, wherein one end of each reinforcing steel bar, which is close to the concrete structure body, is sleeved with a plastic joint, cement mortar is filled in the inner side of each plastic joint, and the plastic joints are fixedly connected with the concrete structure body and the reinforcing steel bars through the cement mortar; the steel bar is sleeved with a plastic sleeve, the front end of the plastic sleeve is connected with the plastic joint in a sealing way through an adhesive, and the rear end of the plastic sleeve extends to the outer side of one end, far away from the concrete structure body, of the steel bar and is connected with a plug in a sealing way through the adhesive. The protection structure seals the exposed steel bars in the sleeve, so that the exposed steel bars are isolated from air, rainwater and the like, and rust, rust and the like of the exposed steel bars are effectively prevented; the plastic sleeve is adopted for protection, the disassembly can be completed only by damaging the front end part of the plastic sleeve, and the rest plastic sleeve can be continuously used for shorter exposed reinforcing steel bars or used after being connected with a small section of plastic sleeve through a connecting joint, so that the construction cost is effectively reduced. However, this protective structure has the following drawbacks:
1. when the plastic connector, the plastic sleeve and the plug are of a split structure, the plastic sleeve and the plug are required to be installed after the plastic connector is encapsulated and installed through cement mortar during construction, the construction operation is troublesome, and the small parts are easy to lose;
2. the plastic sleeve is broken according to the actual length of the exposed steel bar when being installed, and the front end part of the plastic sleeve needs to be damaged when being dismantled, so that the plastic sleeve is difficult to recycle, and the cost is increased to a certain extent;
in view of the above, it is necessary to develop a concrete pouring structure exposed reinforcing steel bar protecting device which has a good protecting effect, is simple to operate, is suitable for exposed reinforcing steel bars with different lengths, and can be reused.
Disclosure of Invention
The utility model aims to solve the technical problems existing in the prior art. Therefore, the exposed steel bar protecting device of the concrete pouring structure, provided by the utility model, has the advantages of good protecting effect, simplicity in operation and capability of being suitable for exposed steel bars with different lengths and being recycled.
The technical scheme adopted for solving the technical problems is as follows:
the utility model provides a concrete placement structure exposes reinforcing bar protector, including the clamping component that is used for the exposed reinforcing bar tip of centre gripping, cover locate exposed reinforcing bar outside with the sleeve pipe subassembly that the clamping component is connected with locate the protection end cover of clamping component outer end.
In a preferred embodiment of the utility model, the clamping assembly comprises a shell, an expansion sleeve and a locking nut, wherein the shell is in a cylinder shape, an inverted conical opening is formed in the top of the shell, the expansion sleeve is movably arranged in the shell, an inverted conical structure matched with the conical opening is arranged on the outer wall of the top of the expansion sleeve, a chuck with a shoulder is arranged on the top of the inverted conical structure, the locking nut is in threaded connection with the shell, and an inner flanging propped against the shoulder is arranged on the upper surface of the locking nut.
In a preferred embodiment of the present utility model, the expansion sleeve is provided with a plurality of expansion joints.
In a preferred embodiment of the present utility model, the protective end cap is interference fit or threaded or welded with the lock nut.
In a preferred embodiment of the present utility model, the protective end cover is made of transparent material, and the periphery of the protective end cover is provided with anti-skid patterns.
In a preferred embodiment of the present utility model, the sleeve assembly is an elastomeric telescoping sleeve assembly.
In a preferred embodiment of the present utility model, the sleeve assembly includes a fixed sleeve, a movable sleeve and a spring, the fixed sleeve is fixedly connected with the housing, the movable sleeve is movably sleeved in the fixed sleeve, the bottoms of the fixed sleeve and the movable sleeve are respectively provided with a flange, the spring is arranged on the movable sleeve, two ends of the spring are respectively connected with the flanges of the fixed sleeve and the movable sleeve, and the bottom of the flange of the movable sleeve is also provided with a sealing rubber ring.
In a preferred embodiment of the present utility model, the sleeve assembly further includes at least 1 locking bolt provided at the bottom of the fixed sleeve for locking and fixing the movable sleeve after shrinkage.
In a preferred embodiment of the present utility model, the side wall of the chuck exposed out of the lock nut is provided with a plurality of protrusions for abutting against the upper surface of the inner flange.
Compared with the prior art, the utility model has the beneficial effects that:
according to the utility model, after the end part of the exposed steel bar is clamped by the clamping assembly, the periphery of the exposed steel bar is effectively protected by the sleeve assembly, and then the top is protected by the protecting end cover, so that the exposed steel bar is effectively and comprehensively isolated; the clamping assembly, the sleeve assembly and the protective end cover are assembled into a whole, the device can be directly sleeved with the exposed reinforcing steel bars, the operation is simple and quick, the device can be integrally disassembled during disassembly, any part is not required to be destroyed, the device can be repeatedly used, the sleeve assembly adopts the elastic sleeve assembly with the telescopic function, and the protection of the exposed reinforcing steel bars with different lengths is met.
Drawings
For a clearer description of the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly introduced below, it being obvious that the drawings in the description below are only some embodiments of the present utility model, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art, wherein:
fig. 1 is a sectional view of an installation structure of an exposed reinforcing steel bar protection device for a concrete pouring structure according to the first embodiment;
FIG. 2 is a schematic view of the construction of the expansion shell provided in FIG. 1;
FIG. 3 is a top view of the protective end cap provided in FIG. 1; .
Fig. 4 is a sectional view of an installation structure of the exposed reinforcing steel bar protection device for a concrete pouring structure according to the second embodiment.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
As shown in fig. 1, this embodiment provides a concrete pouring structure exposed steel bar protection device, which includes a clamping assembly 1 for clamping an end portion of an exposed steel bar 100, a sleeve assembly 2 sleeved outside the exposed steel bar and connected with the clamping assembly 1, and a protection end cover 3 arranged at the outer end of the clamping assembly 1. According to the embodiment, after the end part of the exposed steel bar is clamped by the clamping assembly, the periphery of the exposed steel bar is effectively protected by the sleeve assembly, and then the top is protected by the protecting end cover, so that the exposed steel bar is effectively and comprehensively isolated.
Preferably, as shown in fig. 1 and fig. 2, the clamping assembly 1 includes a casing 1.1, an expansion sleeve 1.2 and a locking nut 1.3, the casing 1.1 is in a cylindrical shape, an inverted cone-shaped taper opening 1.1.1 is arranged at the top of the casing, a plurality of expansion joints 1.2.0 are arranged on the expansion sleeve 1.2 and used for clamping the end part of an exposed reinforcing steel bar, the expansion sleeve 1.2 is movably arranged in the casing 1.1, the outer wall of the top of the expansion sleeve is in an inverted cone-shaped structure matched with the taper opening, a chuck 1.2.2 with a shoulder 1.2.1 is arranged at the top of the inverted cone-shaped structure, the locking nut 1.3 is in threaded connection with the casing 1.1, and an internal turnover edge 1.3.1 abutted to the shoulder 1.2.1 is arranged on the upper surface of the locking nut 1.3. The clamping principle of the clamping assembly in the embodiment is as follows: as shown in fig. 1, when the lock nut is twisted to move downwards, the inward turned edge of the lock nut is used for extruding the shoulder of the expansion sleeve to move downwards, and the clamping head is contracted inwards to clamp the steel bar under the action of the inverted cone structure; the lock nut is twisted reversely, so that the inward flange of the lock nut does not press the shoulder of the expansion sleeve, and only the shell or the nut is pressed downwards, so that the expansion sleeve is separated from the exposed steel bars.
Preferably, as shown in fig. 1 and fig. 3, the protective end cover 3 is in interference fit or threaded connection or welded connection with the lock nut 1.3, and the screwing of the lock nut can be realized by screwing the protective end cover. And the protective end cover 3 is made of transparent materials, such as: can adopt transparent plastic material to make, transparent protection end cover can directly watch the clamping state of exposing the reinforcing bar, further, protection end cover 3 periphery is equipped with anti-skidding line 3.1, is favorable to twisting lock nut.
The clamping assembly, the sleeve assembly and the protective end cover are assembled into a whole, the device is directly sleeved with the exposed reinforcing steel bars, the device is simple and quick to operate, and the device can be integrally disassembled during disassembly without damaging any part and can be repeatedly used.
The sleeve assembly 2 adopts an elastic telescopic sleeve assembly and an elastic sleeve assembly with telescopic function, so that the protection of exposed steel bars with different lengths is met.
Preferably, as shown in fig. 1, the sleeve assembly 2 in this embodiment includes a fixed sleeve 2.1, a movable sleeve 2.2 and a spring 2.3, where the fixed sleeve 2.1 is fixedly connected with the housing 1.1, the movable sleeve 2.2 is movably sleeved in the fixed sleeve 2.1, flanges are disposed at bottoms of the fixed sleeve 2.1 and the movable sleeve 2.2, the spring 2.3 is disposed on the movable sleeve 2.2, and two ends of the spring are respectively connected with the flanges of the fixed sleeve 2.1 and the movable sleeve 2.1, and a sealing rubber ring 2.4 is further disposed at the bottom of the flange of the movable sleeve 2.2. The sleeve pipe subassembly of this embodiment design, accessible extending structure satisfy the protection of the exposed reinforcing bar of different length, simultaneously because clamping component has pressed from both sides the tip of exposed reinforcing bar, and the spring can provide the elasticity that movable sleeve pipe top tightly concrete structure all the time, guarantees the leakproofness of concrete structure and the juncture of exposed reinforcing bar, and the sealing rubber ring that movable sleeve's flange bottom set up, further can improve sealed effect.
Further, as shown in fig. 1, the sleeve assembly 2 in this embodiment is further provided with locking bolts 2.5, at least 1 locking bolt is disposed at the bottom of the fixed sleeve 2.1, and is used for locking and fixing the movable sleeve after shrinking. In this embodiment, 2 locking bolts are provided, one of which is provided at the top of the fixed sleeve and the other of which is provided at the bottom of the fixed sleeve, and when not in use, the movable sleeve can be retracted, and the position is fixed by the locking bolts.
Example two
On the basis of the first embodiment, as shown in fig. 4, in this embodiment, one or more protrusions 1.4 are disposed on the side surface of the exposed portion of the collet 1.2.2 of the expansion sleeve 1.2, so that when the lock nut moves up, the expansion sleeve can be directly carried out by using the contact between the flange and the protrusions.
The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related arts are included in the scope of the present utility model.
Claims (8)
1. The utility model provides a concrete placement structure exposes reinforcing bar protector which characterized in that: the device comprises a clamping assembly for clamping the end part of an exposed reinforcing steel bar, a sleeve assembly sleeved outside the exposed reinforcing steel bar and connected with the clamping assembly, and a protective end cover arranged at the outer end of the clamping assembly;
the clamping assembly comprises a shell, an expansion sleeve and a lock nut, wherein the shell is in a cylindrical shape, an inverted conical opening is formed in the top of the shell, the expansion sleeve is movably arranged in the shell, the outer wall of the top of the expansion sleeve is of an inverted conical structure matched with the inverted conical opening, a chuck with a shoulder is arranged at the top of the inverted conical structure, the lock nut is in threaded connection with the shell, and an inward flanging propped against the shoulder is arranged on the upper surface of the lock nut.
2. The exposed rebar protection device for a concrete pouring structure of claim 1, wherein: the expansion sleeve is provided with a plurality of expansion joints.
3. The exposed rebar protection device for a concrete pouring structure of claim 1, wherein: the protective end cover is in interference fit or threaded connection or welded connection with the locking nut.
4. The exposed rebar protection of concrete placement structure of claim 3, wherein: the protective end cover is made of transparent materials, and anti-skid patterns are arranged on the periphery of the protective end cover.
5. The exposed rebar protection device for a concrete pouring structure of claim 1, wherein: the sleeve assembly is an elastic telescopic sleeve assembly.
6. The exposed rebar guard for a concrete placement structure of claim 5, wherein: the sleeve assembly comprises a fixed sleeve, a movable sleeve and a spring, wherein the fixed sleeve is fixedly connected with the shell, the movable sleeve is movably sleeved in the fixed sleeve, flanges are arranged at the bottoms of the fixed sleeve and the movable sleeve, the spring is arranged on the movable sleeve, the two ends of the spring are respectively connected with the flanges of the fixed sleeve and the movable sleeve, and a sealing rubber ring is further arranged at the bottom of the flange of the movable sleeve.
7. The exposed rebar guard for a concrete placement structure of claim 6, wherein: the sleeve assembly further comprises locking bolts, wherein at least 1 locking bolt is arranged at the bottom of the fixed sleeve and used for locking and fixing the movable sleeve after shrinkage.
8. The exposed reinforcement bar protection device for a concrete placement structure according to any one of claims 1 to 7, wherein: the side wall of the chuck, which is exposed out of the locking nut, is provided with a plurality of protruding blocks which are used for being abutted against the upper surface of the inner flanging.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321503538.5U CN220319171U (en) | 2023-06-13 | 2023-06-13 | Exposed reinforcing steel bar protection device for concrete pouring structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321503538.5U CN220319171U (en) | 2023-06-13 | 2023-06-13 | Exposed reinforcing steel bar protection device for concrete pouring structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220319171U true CN220319171U (en) | 2024-01-09 |
Family
ID=89418682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321503538.5U Active CN220319171U (en) | 2023-06-13 | 2023-06-13 | Exposed reinforcing steel bar protection device for concrete pouring structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220319171U (en) |
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2023
- 2023-06-13 CN CN202321503538.5U patent/CN220319171U/en active Active
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