Steel bar anti-pollution tool
By designing a steel bar anti-pollution tool including arc-shaped cross-sectional pipes and connecting sections, the problems of difficulty in installing existing tools and poor applicability are solved, convenient installation and wide applicability are achieved, and effective pollution prevention of steel bars is ensured.
Patent Information
- Application Number
- CN202421236398.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-03
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-06-03
AI Technical Summary
Existing steel bar anti-pollution tools are prone to misalignment during installation, resulting in difficulty in installation, which may cause steel bar pollution and poor applicability.
A steel bar anti-pollution tool including No. 1 arc-shaped cross-section tube, No. 2 arc-shaped cross-section tube and connecting section was designed. By setting up seal strips and elastic connecting sections, the tool can be tightly closed and suitable for steel bars of different diameters.
The design of this tool makes installation easy and easy to operate, can effectively prevent steel bar pollution, and is suitable for vertical steel bars with different superstructure conditions, and can be recycled and not polluted the environment.
Smart Images

Figure CN222595589U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of steel bar protection, in particular to a steel bar anti-pollution tool. Background Art
[0002] During the construction of building structures, the longitudinal stress-bearing steel bars of the wall columns need to be protected before pouring the beam and slab concrete to prevent the longitudinal stress-bearing steel bars of the wall columns from being contaminated when pouring the beam and slab concrete. In the existing technology, most of the protection of longitudinal stress-bearing steel bars is to use PVC pipes, waterproof cloths, etc. as the main materials to cover the outside of the steel bars and fix them for pollution protection, which has the defects of poor anti-pollution effect, difficult installation, poor applicability, etc.
[0003] According to a simple tool for preventing steel bar pollution and a method of use with publication number CN113622694A, the tool comprises a protective member 1 and a protective member 2 for protecting the outer wall of the steel bar, and a connecting component for connecting the protective member 1 and the protective member 2 to form a protective cover, the connecting component comprises a connecting belt fixedly installed on the outside of the protective member 1 and the protective member 2, and a locking member installed at one end of the connecting belt, the locking member comprises a main body that can be freely penetrated by the connecting belt, and a locking body arranged on the main body and used to prevent the connecting belt from loosening, the locking body comprises a pressure area recessed toward the inside of the main body, and an anti-slip area arranged on the main body and integrally connected to the pressure area, a through hole is arranged in the middle of the pressure area, the anti-slip area comprises an active loosening structure integrally connected to the main body, and an anti-slip tooth plate structure installed on the pressure area, the anti-slip tooth plate structure comprises a guide portion integrally connected to the active loosening structure, and a tooth portion integrally connected to the guide portion.
[0004] With respect to the above-mentioned related scheme, the protective member 1 and the protective member 2 are combined into a protective cover through the connecting assembly, so that the steel bar can be wrapped by the protective cover, so that the steel bar head is in a closed area to achieve anti-pollution operation of the steel bar. However, the vertical contact surface area of the protective member 1 and the protective member 2 in the above-mentioned patent is extremely small, and the protective cover formed by it is easy to be misplaced when the connecting assembly is tightened, which makes installation difficult, and then easily causes pollution to the steel bar, so that the protection of the steel bar is reduced. Utility Model Content
[0005] The purpose of the utility model is to provide a steel bar anti-pollution tool to solve the problems raised in the above background technology.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steel bar anti-pollution tool, comprising a No. 1 arc-section tube and a No. 2 arc-section tube, characterized in that: a No. 2 arc-section tube is arranged on one side of the No. 1 arc-section tube, a connecting section is arranged between the No. 1 arc-section tube and the No. 2 arc-section tube, the No. 1 arc-section tube, the No. 2 arc-section tube and the connecting section constitute a protective body, the No. 1 arc-section tube, the No. 2 arc-section tube and the connecting section are an integrated structure, and the ends of the No. 1 arc-section tube and the No. 2 arc-section tube away from the connecting section are arranged to be open.
[0007] Preferably, the No. 1 arc-section tube and the No. 2 arc-section tube are both made of PVC pipes, the curvature of the No. 1 arc-section tube and the No. 2 arc-section tube is 145π / 180-155π / 180, the internal diameter of the No. 1 arc-section tube, the No. 2 arc-section tube and the connecting section is 2-4mm larger than the diameter of the steel bar, and the wall thickness is 1.5-3.5mm, the material of the connecting section is butyl rubber, the elongation of the connecting section is 200%, and the curvature is π / 9-π / 6.
[0008] Preferably, the inner surfaces of the No. 1 arc-section tube and the No. 2 arc-section tube are both provided with rubber layers, and six rubber layers are arranged at equal angles. The thickness of the rubber layer is 1-2mm, and the curvature is π / 9-π / 6, and the vertical length is the same as that of the No. 1 arc-section tube and the No. 2 arc-section tube.
[0009] Preferably, an outer eave is provided at one end of the No. 2 arc-section tube close to the No. 1 arc-section tube, and the cross-section of the outer eave is arc-shaped with an arc of π / 9-π / 6 and a thickness of 1 mm.
[0010] Preferably, a sealing strip is provided on the contact surface of the outer eaves close to the No. 2 arc-section tube and the No. 1 arc-section tube, and the material of the sealing strip is natural rubber and has a thickness of 0.1-0.2 mm.
[0011] Preferably, a No. 1 fixing handle is provided on the outer surface of the No. 1 arc-section tube, and a No. 2 fixing handle is provided on the outer surface of the No. 2 arc-section tube. The materials of the No. 1 fixing handle and the No. 2 fixing handle are both polypropylene, and three of the No. 1 fixing handle and the No. 2 fixing handle are respectively provided along the vertical direction of the No. 1 arc-section tube and the No. 2 arc-section tube.
[0012] Preferably, an elastic band is sleeved on the outer side of the No. 1 fixing handle and the No. 2 fixing handle, and holes matching the No. 1 fixing handle and the No. 2 fixing handle are opened on both sides of the elastic band. The length of the elastic band is 2-3cm, the width is 1-2cm, and the thickness is 0.4-0.6mm. The material of the elastic band is thermoplastic polyurethane elastomer rubber.
[0013] Compared with the prior art, the beneficial effects of the utility model are:
[0014] 1. The steel bar anti-pollution tool proposed by the utility model comprises a No. 1 arc-section pipe, a No. 2 arc-section pipe and a connecting section to form a protection body, and one side of the protection body is set to be open, so that the protection of the vertical force steel bar pollution can be applied to the vertical force steel bar with no or no stirrups tied above, thereby making the application range of the steel bar anti-pollution tool wide;
[0015] 2. The steel bar anti-pollution tool proposed by the utility model can be used for steel bars of similar diameters by selecting a connecting section, a rubber layer and an elastic band with a certain elasticity; and the elastic band is in a stretched state after installation, so that the No. 1 arc-section tube and the No. 2 arc-section tube can be tightly closed together; in addition, the rubber layer is tightly fitted to the internal steel bars, which can ensure that the steel bar anti-pollution tool will not slide or deflect after installation;
[0016] 3. The steel bar anti-pollution tool proposed by the utility model is provided with a sealing strip on the contact surface between the outer edge of the second arc-section pipe and the first arc-section pipe, so that the steel bar anti-pollution tool can be completely sealed after connection, thereby preventing concrete from penetrating during construction;
[0017] 4. The steel bar anti-pollution tool proposed by the utility model is easy to install and simple to operate. It can be removed and recycled after use without causing pollution to the environment.
[0018] In summary, the steel bar anti-pollution tool can be quickly installed, disassembled and recycled, and can be applied to the anti-pollution operation of vertical steel bars with different diameters and different superstructure conditions. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;
[0020] Figure 2 This is a schematic diagram of the top view structure of the utility model;
[0021] Figure 3 This is a schematic diagram of the main structure of the utility model;
[0022] Figure 4 It is a schematic diagram of the three-dimensional structure of the utility model in an exploded state.
[0023] In the figure: 1. No. 1 curved section tube; 2. No. 2 curved section tube; 3. Connecting section; 4. Rubber layer; 5. No. 1 fixing handle; 6. No. 2 fixing handle; 7. Elastic band; 8. Outer eaves; 9. Sealing strip. DETAILED DESCRIPTION
[0024] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] Embodiment 1
[0026] See also Figures 1 to 4 The utility model provides a technical solution: a steel bar anti-pollution tool, comprising a No. 1 arc-section tube 1 and a No. 2 arc-section tube 2, characterized in that: a No. 2 arc-section tube 2 is arranged on one side of the No. 1 arc-section tube 1, a connecting section 3 is arranged between the No. 1 arc-section tube 1 and the No. 2 arc-section tube 2, the No. 1 arc-section tube 1, the No. 2 arc-section tube 2 and the connecting section 3 constitute a protective body, the No. 1 arc-section tube 1, the No. 2 arc-section tube 2 and the connecting section 3 are integrated The structure is as follows: the ends of the No. 1 arc-section tube 1 and the No. 2 arc-section tube 2 away from the connecting section 3 are set to be open; the No. 1 arc-section tube 1 and the No. 2 arc-section tube 2 are both made of PVC pipes; the curvature of the No. 1 arc-section tube 1 and the No. 2 arc-section tube 2 is 145π / 180-155π / 180; the internal diameters of the No. 1 arc-section tube 1, the No. 2 arc-section tube 2 and the connecting section 3 are greater than the diameter of the steel bar by 2-4mm, and the wall thickness is 1.5-3.5mm.
[0027] By setting one side of the protective body to be open, the pollution protection of vertical stressed steel bars with or without stirrups on top can be applied, thereby making the application range of the steel bar anti-pollution tool wide.
[0028] Embodiment 2
[0029] On the basis of the first embodiment, in order to achieve the purpose of preventing the steel bar anti-pollution tool from sliding and deflecting after installation, a connecting section 3, a rubber layer 4 and an elastic band 7 with a certain elasticity are selected so that steel bars of similar diameters can be used; and the elastic band 7 is in a stretched state after installation, so that the first arc-section tube 1 and the second arc-section tube 2 can be tightly closed together; in addition, the rubber layer 4 is tightly fitted to the internal steel bars, which can ensure that the steel bar anti-pollution tool will not slide or deflect after installation;
[0030] The material of the connecting section 3 is butyl rubber, and the elongation of the connecting section 3 is 200%, and the curvature is π / 9-π / 6. The inner surfaces of the No. 1 arc-section tube 1 and the No. 2 arc-section tube 2 are both provided with rubber layers 4, and six rubber layers 4 are provided at equal angles. The thickness of the rubber layer 4 is 1-2mm, and the curvature is π / 9-π / 6, and the vertical length is the same as that of the No. 1 arc-section tube 1 and the No. 2 arc-section tube 2.
[0031] Embodiment 3
[0032] On the basis of the second embodiment, in order to achieve the purpose of preventing concrete from penetrating during construction, a sealing strip 9 is provided on the contact surface between the outer edge 8 of the second arc-section pipe 2 and the first arc-section pipe 1, so that the steel bar anti-pollution tool can be completely closed after connection, thereby preventing concrete from penetrating during construction;
[0033] An outer eave 8 is provided at one end of the No. 2 arc-section tube 2 close to the No. 1 arc-section tube 1. The cross-section of the outer eave 8 is arc-shaped, and the curvature is π / 9-π / 6, and the thickness is 1mm. A sealing strip 9 is provided on the contact surface of the outer eave 8 close to the No. 2 arc-section tube 2 and the No. 1 arc-section tube 1. The material of the sealing strip 9 is natural rubber, and the thickness is 0.1-0.2mm.
[0034] Embodiment 4
[0035] On the basis of the third embodiment, in order to achieve the purpose of convenient installation and simple operation, the first arc-section tube 1 and the second arc-section tube 2 can be disassembled by removing the elastic band 7 on the first fixing handle 5 and the second fixing handle 6 after the construction is completed;
[0036] A No. 1 fixing handle 5 is provided on the outer surface of the No. 1 arc-section tube 1, and a No. 2 fixing handle 6 is provided on the outer surface of the No. 2 arc-section tube 2. The materials of the No. 1 fixing handle 5 and the No. 2 fixing handle 6 are both polypropylene. Three No. 1 fixing handle 5 and three No. 2 fixing handles 6 are respectively provided along the vertical directions of the No. 1 arc-section tube 1 and the No. 2 arc-section tube 2. An elastic band 7 is sleeved on the outer side of the No. 1 fixing handle 5 and the No. 2 fixing handle 6. Both sides of the elastic band 7 are provided with holes matching the No. 1 fixing handle 5 and the No. 2 fixing handle 6. The length of the elastic band 7 is 2-3cm, the width is 1-2cm, and the thickness is 0.4-0.6mm. The material of the elastic band 7 is thermoplastic polyurethane elastomer rubber.
[0037] In actual use, the No. 1 arc-section tube 1 and the No. 2 arc-section tube 2 are opened from the unconnected opening and installed on the outside of the steel bar, so that the protruding outer edge 8 of the No. 2 arc-section tube 2 wraps the No. 1 arc-section tube 1, and at the same time, the rubber layer 4 inside the No. 1 arc-section tube 1 and the No. 2 arc-section tube 2 is close to the steel bar, and then one end of the elastic band 7 is fixed to the No. 1 fixing handle 5 on the outer wall of the No. 1 arc-section tube 1, and the elastic band 7 is pulled and the other end is fixed to the No. 2 fixing handle 6 on the outer wall of the No. 2 arc-section tube 2. At the same time, since the elastic band 7 and the connecting section 3 between the No. 1 arc-section tube 1 and the No. 2 arc-section tube 2 are in a stretched state, the anti-pollution tool will tightly wrap the internal steel bars and be in a stable state. At the same time, the sealing strip 9 on the contact surface between the outer eaves 8 of the No. 2 arc-section tube 2 and the No. 1 arc-section tube 1 can prevent concrete from infiltrating during construction. After the construction is completed, the elastic band 7 on the No. 1 fixing handle 5 and the No. 2 fixing handle 6 is removed, and the No. 1 arc-section tube 1 and the No. 2 arc-section tube 2 can be removed.
[0038] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A steel bar anti-pollution tool, comprising a first arc-shaped cross-section tube (1) and a second arc-shaped cross-section tube (2), characterized in that: A second arc-shaped cross-section tube (2) is arranged on one side of the first arc-shaped cross-section tube (1); a connecting section (3) is arranged between the first arc-shaped cross-section tube (1) and the second arc-shaped cross-section tube (2); the first arc-shaped cross-section tube (1), the second arc-shaped cross-section tube (2) and the connecting section (3) form a protective body; the first arc-shaped cross-section tube (1), the second arc-shaped cross-section tube (2) and the connecting section (3) are an integrated structure; and one end of the first arc-shaped cross-section tube (1) and the second arc-shaped cross-section tube (2) away from the connecting section (3) is arranged to be open.
2. A steel bar anti-pollution tool according to claim 1, characterized in that: The first curved cross-section tube (1) and the second curved cross-section tube (2) are both made of PVC pipes. The curvature of the first curved cross-section tube (1) and the second curved cross-section tube (2) is 145π / 180-155π / 180. The inner diameters of the first curved cross-section tube (1), the second curved cross-section tube (2) and the connecting section (3) are 2-4 mm larger than the diameter of the steel bar, and the wall thickness is 1.5-3.5 mm. The material of the connecting section (3) is butyl rubber, and the elongation of the connecting section (3) is 200%, and the curvature is π / 9-π / 6.
3. A steel bar anti-pollution tool according to claim 1, characterized in that: The inner surfaces of the first arc-shaped cross-section tube (1) and the second arc-shaped cross-section tube (2) are both provided with a rubber layer (4), and six rubber layers (4) are provided at equal angles. The thickness of the rubber layer (4) is 1-2 mm, and the curvature is π / 9-π / 6, and the vertical length is the same as that of the first arc-shaped cross-section tube (1) and the second arc-shaped cross-section tube (2).
4. A steel bar anti-pollution tool according to claim 1, characterized in that: An outer eave (8) is provided at one end of the second arc-section tube (2) close to the first arc-section tube (1); the cross section of the outer eave (8) is arc-shaped, the arc is π / 9-π / 6, and the thickness is 1 mm.
5. A steel bar anti-pollution tool according to claim 4, characterized in that: A sealing strip (9) is provided on the contact surface of the outer eaves (8) close to the second arc-section tube (2) and the first arc-section tube (1). The sealing strip (9) is made of natural rubber and has a thickness of 0.1-0.2 mm.
6. A steel bar anti-pollution tool according to claim 1, characterized in that: The outer surface of the No. 1 arc-section tube (1) is provided with a No. 1 fixing handle (5), and the outer surface of the No. 2 arc-section tube (2) is provided with a No. 2 fixing handle (6). The materials of the No. 1 fixing handle (5) and the No. 2 fixing handle (6) are both polypropylene. The No. 1 fixing handle (5) and the No. 2 fixing handle (6) are respectively provided in three numbers along the vertical direction of the No. 1 arc-section tube (1) and the No. 2 arc-section tube (2).
7. A steel bar anti-pollution tool according to claim 6, characterized in that: The outer sides of the first fixing handle (5) and the second fixing handle (6) are covered with an elastic band (7), and holes matching the first fixing handle (5) and the second fixing handle (6) are opened on both sides of the elastic band (7), the length of the elastic band (7) is 2-3 cm, the width is 1-2 cm, and the thickness is 0.4-0.6 mm. The material of the elastic band (7) is thermoplastic polyurethane elastomer rubber.
Citation Information
Patent Citations
Simple device for preventing steel bar pollution and using method
CN113622694A