CN216340474U - Steel bar protective layer cushion block - Google Patents

Steel bar protective layer cushion block Download PDF

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Publication number
CN216340474U
CN216340474U CN202122346816.8U CN202122346816U CN216340474U CN 216340474 U CN216340474 U CN 216340474U CN 202122346816 U CN202122346816 U CN 202122346816U CN 216340474 U CN216340474 U CN 216340474U
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China
Prior art keywords
steel bar
fixed
clamping cavity
channel
clamping
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CN202122346816.8U
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Chinese (zh)
Inventor
张峻珲
杨军
李�杰
左洪瑞
谭周富
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Shanghai Baoye Group Corp Ltd
Shanghai Baoye Metallurgy Engineering Co Ltd
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Shanghai Baoye Group Corp Ltd
Shanghai Baoye Metallurgy Engineering Co Ltd
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Abstract

The utility model provides a steel bar protection layer cushion block, which comprises: the supporting piece is provided with a clamping cavity and is used for placing a steel bar to be fixed; the fastener is arranged on the supporting piece, a steel bar channel is arranged on the fastener and communicated with the clamping cavity, steel bars to be fixed can enter the clamping cavity from the steel bar channel, and the fastener is also used for fastening the steel bars to be fixed arranged in the clamping cavity so as to fasten the steel bars to be fixed. The reinforcing steel bar to be fixed can enter the clamping cavity from the reinforcing steel bar channel, and the reinforcing steel bar to be fixed arranged in the clamping cavity can be fastened through the fastening piece, so that the reinforcing steel bar to be fixed is fastened, the reinforcing steel bar to be fixed is not easy to displace, is stably supported and not easy to fall off, is directly fixed on the reinforcing steel bar, does not need to be bound, improves the working efficiency, and can be supported to ensure that the requirement of a reinforcing steel bar protective layer is met.

Description

Steel bar protective layer cushion block
Technical Field
The utility model relates to the technical field of metallurgical engineering, in particular to a steel bar protective layer cushion block.
Background
In a reinforced concrete structure, steel bars have high tensile and compressive strengths, and concrete has a high compressive strength but a low tensile strength, and the modulus of elasticity of the concrete is close to that of the concrete. When the bonding is good, the adhesive tape can not only exert respective stress performance, but also can well coordinate to work, and the adhesive tape is connected into a whole to jointly bear the external load born by the structural member. The thickness of the steel bar protective layer plays a key role in the binding force between the steel bar protective layer and the steel bar protective layer, and the steel bar protective layer cushion blocks commonly used in the current building engineering are marble blocks, mortar blocks, steel bar split heads and the like, but the traditional steel bar protective layer cushion blocks have many defects which are difficult to overcome. Such as low strength, easy breaking, easy loosening, large deviation, etc. The plastic cushion block of the reinforcing steel bar protective layer not only overcomes the defects, but also increases the price of domestic building materials, and the comprehensive price of the plastic cushion block is lower than that of the traditional reinforcing steel bar protective layer cushion block. The automatic locking device has the advantages of convenient use, one card in place, automatic locking without falling off, reduction of the labor intensity of the steel bar, easy carrying when remaining and waste prevention. These all greatly improve the comprehensive economic benefit.
The Chinese publication number is: CN202090523U discloses a granite or marble reinforcing bar protective layer cushion block, including the multilayer reinforcing bar net that sets up in reinforced concrete slab, every layer of reinforcing bar net includes perpendicular crossing horizontal reinforcing bar and vertical reinforcing bar, the granite or marble reinforcing bar protective layer cushion block that is cut by granite or marble fragment is equipped with below the reinforcing bar net of bottom. The reinforcement bar cover mat may be derived from granite or marble chips that are recovered from waste materials from decorators or granite and marble processing plants, and therefore may be cost effective or even cost effective. Moreover, the transportation of the construction waste is expensive, so that the waste is changed into valuable, the resources are saved, and the environment is regulated.
The granite or marble steel bar protective layer cushion block that above-mentioned technical scheme provided has some problems: 1. the shape and specification of the cushion block are difficult to grasp, and a concrete protective layer with different thicknesses is easy to form. 2. The steel bar positioning capability is not strong, and deviation is easy to occur in the construction process, so that the construction quality is influenced.
Disclosure of Invention
In view of this, the utility model provides a steel bar protection layer cushion block, and aims to solve the problems that the shape and specification of the existing steel bar protection layer cushion block are difficult to grasp and deviation is easy to occur in the construction process.
The utility model provides a steel bar protection layer cushion block, which comprises: the supporting piece is provided with a clamping cavity and is used for placing a steel bar to be fixed; the fastener is arranged on the supporting piece, a steel bar channel is arranged on the fastener and communicated with the clamping cavity, steel bars to be fixed can enter the clamping cavity from the steel bar channel, and the fastener is also used for fastening the steel bars to be fixed arranged in the clamping cavity so as to fasten the steel bars to be fixed.
Further, above-mentioned protective steel bar layer cushion, the fastener includes: the two fastening supporting parts are arranged on the supporting part in parallel at two sides of the clamping cavity; the two elastic limiting parts are respectively arranged on the inner sides of the fastening supporting parts, a steel bar channel is formed between the two elastic limiting parts, the elastic limiting parts are used for elastically compressing when the steel bar to be fixed enters the clamping cavity so that the steel bar to be fixed enters, and the elastic supporting limiting parts reset to clamp the steel bar to be fixed when the steel bar to be fixed is placed in the clamping cavity.
Furthermore, in the reinforcing steel bar protective layer cushion block, each elastic limiting portion is provided with a guide surface at one end far away from the clamping cavity relative to the other elastic limiting portion wall surface, and each guide surface is inclined towards the other guide surface from one end far away from the clamping cavity to one end close to the clamping cavity.
Furthermore, in the steel bar protection layer cushion block, each elastic limiting part is provided with a clamping structure at the lower side of the guide surface, and the clamping structure is used for clamping and limiting the steel bar to be fixed placed in the clamping cavity.
Furthermore, the clamping structure of the steel bar protection layer cushion block is of an arc-shaped structure and is used for being abutted against the outer wall of the steel bar to be fixed.
Furthermore, the supporting piece is provided with a concrete flow channel, and concrete can flow from the concrete flow channel when the concrete is poured, so that the supporting piece and the concrete are bonded into an integral structure.
Further, the reinforcing steel bar protective layer cushion block is arranged from one end, away from the clamping cavity, of the reinforcing steel bar channel to one end, close to the clamping cavity, of the reinforcing steel bar channel, and the inner diameter of the channel of the reinforcing steel bar channel is gradually reduced.
Furthermore, the steel bar protection layer cushion block, the supporting piece and the fastening piece are integrally formed plastic pieces.
Further, in the steel bar protection layer cushion block, the thickness of the supporting piece is equal to that of the steel bar protection layer.
Further, in the steel bar protection layer cushion block, the supporting piece is of an arc-shaped structure.
According to the reinforcing steel bar protective layer cushion block provided by the utility model, the reinforcing steel bar to be fixed can enter the clamping cavity from the reinforcing steel bar channel, and the reinforcing steel bar to be fixed arranged in the clamping cavity can be fastened through the fastening piece, so that the reinforcing steel bar to be fixed is fastened, the reinforcing steel bar to be fixed is not easy to displace, is stably supported and not easy to fall off, is directly fixed on the reinforcing steel bar, does not need to be bound, and the working efficiency is improved. Meanwhile, the cushion block is connected with the steel bar through the fastener, so that displacement is not easy to occur, and the cushion block is stable in support and not easy to fall off; the engineering quality can be effectively improved, the specifications of the cushion blocks are uniform, the thickness of the protective layer is controlled by the height of the cushion blocks in use, and the defects of exposed bars, cracking, inclined reinforcing steel bar frameworks, displacement and uneven protective layers in commercial concrete engineering are overcome; the cushion block is low in cost, a construction unit can directly order a manufacturer according to the design requirement without making mortar and a bracket by a special person, and the manpower and materials are saved; the cushion block has the characteristics of standardization, regularization and universality, the cushion block is operated according to the national standard in the production process, the mold is shaped, the size and the strength are uniform, the thickness of the protective layer can be adjusted by adjusting different placing angles, the phenomenon of uneven thickness caused by human factors is reduced, and a series of engineering quality problems caused by the defect of the common cushion block due to the insufficient protective layer of the steel bar are solved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the utility model. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:
fig. 1 is a schematic structural diagram of a use state of a steel bar protection layer cushion block according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a reinforcement protection layer spacer provided in an embodiment of the present invention.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 and 2, a preferred structure of a reinforcement protection spacer according to an embodiment of the present invention is shown. As shown in the figure, this steel bar protection layer cushion includes: a support 1 and a fastener 2; wherein,
the supporting member 1 is provided with a clamping cavity 11 for placing the steel bar 3 to be fixed. Specifically, as shown in fig. 1, the supporting member 1 is used as a leg, and may be a circular arc structure, i.e., a semicircular structure, so that the cushion block is uniformly stressed and is not prone to deviation when concrete is poured, and meanwhile, the contact area between the supporting member 1 and the concrete is reduced; of course, other shapes are possible, and the present embodiment is not limited to this; the clamping cavity 11 may be of circular configuration. In order to improve the stability of the supporting member 1, it is preferable that the supporting member 1 is provided with a concrete flow channel 12 for allowing concrete to flow from the concrete flow channel 12 when the concrete is poured, so that the supporting member 1 and the concrete are bonded into a unitary structure, and the supporting member 1 and the concrete are bonded into a unitary structure, thereby ensuring the stability thereof. In the present embodiment, the number of the concrete flow channels 12 may be four, or may be other numbers, and the present embodiment is not limited thereto. Wherein, the thickness of the supporting member 1 is equal to that of the steel bar protection layer as the thickness of the circular ring shown in fig. 1.
The fastener 2 is arranged on the supporting piece 1, the fastener 2 is provided with a steel bar channel 21 which is communicated with the clamping and fixing cavity 11, the steel bar 3 to be fixed can enter the clamping and fixing cavity 11 from the steel bar channel 21, and the fastener 2 is also used for fastening the steel bar 3 to be fixed arranged in the clamping and fixing cavity 11 so as to fasten the steel bar 3 to be fixed. Specifically, fastener 2 sets up the top at support piece 1, be equipped with reinforcing bar passageway 21 on fastener 2, this reinforcing bar passageway 21 can be for leaking hopper-shaped structure, keep away from the one end (as shown in fig. 1) of the solid cavity 11 of card promptly to reinforcing bar passageway 21 and be close to the one end (as shown in fig. 1 lower extreme) of the solid cavity 11 of card, the passageway internal diameter (as shown in fig. 1 horizontal direction width) of reinforcing bar passageway 21 reduces gradually, so as to realize the direction and wait to fix the fastening of reinforcing bar 3 spacing, make it is firm at the solid cavity 11 of card to wait to fix reinforcing bar 3 card, make it is difficult for fixed reinforcing bar 3 to take place the displacement, and the support is stable, be difficult to drop, the snap-on reinforcing bar, need not the ligature, and work efficiency is improved. In this embodiment, the supporting member 1 and the fastening member 2 are integrally formed plastic members, that is, the cushion block is a plastic cushion block, and generally adopts a high molecular polymerization technology and an advanced nano modification technology: the cushion block has light weight, small volume and high strength, the tensile strength and the compressive strength of the cushion block are generally higher than 4.0Mpa, and the cushion block can bear the walking and general construction load of constructors without fracture; meanwhile, the compatibility with commercial concrete is good, and the structure is not influenced; and the plastic cushion block has the characteristics of standardization, regularization and universality, is operated according to the national standard in the production process, is shaped by a mould, has uniform size and strength, can adjust the thickness of the protective layer by adjusting different placing angles, and reduces the phenomenon of uneven thickness caused by human factors.
With continued reference to fig. 1 and 2, fastener 2 includes: two fastening support portions 22 and two elastic stopper portions 23; wherein,
the two fastening support portions 22 are juxtaposed on the support 1 on both sides of the fastening cavity 11. Specifically, two support members 22 are juxtaposed above both left and right ends of the support member 1.
Two spacing portions of elasticity 23 set up respectively on the inboard of each fastening supporting part 22 to, form reinforcing bar passageway 21 between two spacing portions of elasticity 23, spacing portion of elasticity 23 is used for treating that fixed reinforcing bar 3 gets into elasticity compression when blocking solid cavity 11, so that treat that fixed reinforcing bar 3 gets into, and when treating that fixed reinforcing bar 3 places in blocking solid cavity 11, spacing portion of elasticity support 23 resets and treats fixed reinforcing bar screens. Specifically, the right side wall of the left side fastening support portion 22 is provided with an elastic limiting portion 23, the left side wall of the right side fastening support portion 22 is provided with an elastic limiting portion 23, a steel bar channel 21 is formed between the two elastic limiting portions 23, so that when the steel bar 3 to be fixed moves towards the clamping cavity 11 in the steel bar channel 21, the elastic limiting portion 23 is gradually compressed, the steel bar 3 to be fixed can gradually move downwards from the two elastic limiting portions 23 to the clamping cavity 11, and after the steel bar 3 to be fixed moves into the clamping cavity 11, the two elastic limiting portions 23 elastically reset to perform limiting fastening on the steel bar 3 to be fixed, and clamping of the steel bar 3 to be fixed is realized.
With continued reference to fig. 2, each elastic limiting portion 23 is provided with a guiding surface 231 at an end (upper end as shown in fig. 2) far away from the fastening cavity 11 opposite to a wall surface (right side wall of the left elastic limiting portion 23 as shown in fig. 2) of the other elastic limiting portion 23, and each guiding surface 231 is inclined toward the other guiding surface 231 from the end (upper end as shown in fig. 2) far away from the fastening cavity 11 to the end (lower end as shown in fig. 2) close to the fastening cavity 11, that is, the guiding surface 231 on the left side is inclined from top to bottom to right, and the guiding surface 231 on the right side is inclined from top to bottom to left. Each elastic limiting part 23 is provided with a clamping structure 232 on the lower side (relative to the position shown in fig. 2) of the guide surface 231, and the clamping structure is used for clamping and limiting the steel bar 3 to be fixed placed in the clamping cavity 11; this screens structure 232 can be convex structure for the butt is on treating the outer wall of fixed reinforcing bar 3, in order to improve the location ability of treating fixed reinforcing bar 3, makes the reinforcing bar can be accurate, firmly set up on the plastics cushion.
The reinforcing steel bar protection layer cushion block is simple to manufacture, finished products can be uniformly produced by a manufacturer and conveyed to a construction site, and the design of a smart arc safety back-off method in a shear wall and a column is realized; can be used vertically or horizontally at 180 degrees. When the cushion block is slightly pushed to the side of the steel bar, the cushion block can be firmly buckled on the steel bar and cannot fall off. After the concrete is finally set and demoulded, the surfaces of the wall and the column are smooth and bright.
To sum up, the protective steel bar layer cushion that this embodiment provided treats that fixed reinforcing bar 3 can get into to the solid cavity of card 11 in from reinforcing bar passageway 21 in to accessible fastener 2 fastens the fixed reinforcing bar 3 of treating that sets up in the solid cavity of card 11, in order to realize treating the fastening of fixed reinforcing bar 3, makes to treat that fixed reinforcing bar 3 is difficult to take place the displacement, and supports stably, is difficult to drop, and the snap-on need not the ligature on the reinforcing bar, has improved work efficiency. Meanwhile, the cushion block is connected with the steel bar through the fastener 2, so that displacement is not easy to occur, and the cushion block is stable in support and not easy to fall off; the engineering quality can be effectively improved, the specifications of the cushion blocks are uniform, the thickness of the protective layer is controlled by the height of the cushion blocks in use, and the defects of exposed bars, cracking, inclined reinforcing steel bar frameworks, displacement and uneven protective layers in commercial concrete engineering are overcome; the cushion block is low in cost, a construction unit can directly order a manufacturer according to the design requirement without making mortar and a bracket by a special person, and the manpower and materials are saved; and the cushion block has the characteristics of standardization, regularization and universality, the cushion block is operated according to the national standard in the production process, the mold is shaped, the size and the strength are unified, the thickness of the protective layer can be adjusted by adjusting different placing angles, and the phenomenon of uneven thickness caused by human factors is reduced.
Furthermore, the cushion block can be a plastic cushion block, and generally adopts a high molecular polymerization technology, and a certain manufacturer also adopts an advanced nano modification technology: the cushion block has light weight, small volume and high strength, generally has tensile strength and compressive strength higher than 4.4Mpa, and can bear walking and general construction load of constructors without fracture. Meanwhile, the coating has good compatibility with commercial concrete and cannot influence the structure.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (9)

1. The utility model provides a protective steel bar layer cushion block which characterized in that includes:
the supporting piece is provided with a clamping cavity and is used for placing a steel bar to be fixed; the supporting piece is provided with a concrete flow channel, and concrete can flow from the concrete flow channel when the concrete is poured, so that the supporting piece and the concrete are bonded into an integral structure;
the fastener is arranged on the supporting piece, a steel bar channel is arranged on the fastener and communicated with the clamping cavity, steel bars to be fixed can enter the clamping cavity from the steel bar channel, and the fastener is also used for fastening the steel bars to be fixed arranged in the clamping cavity so as to fasten the steel bars to be fixed.
2. The rebar protection covering block of claim 1, wherein the fastener comprises:
the two fastening supporting parts are arranged on the supporting part in parallel at two sides of the clamping cavity;
the two elastic limiting parts are respectively arranged on the inner sides of the fastening supporting parts, a steel bar channel is formed between the two elastic limiting parts, the elastic limiting parts are used for elastically compressing when the steel bar to be fixed enters the clamping cavity so that the steel bar to be fixed enters, and the elastic supporting limiting parts reset to clamp the steel bar to be fixed when the steel bar to be fixed is placed in the clamping cavity.
3. The rebar protection spacer of claim 2,
and one end, far away from the clamping cavity, of each elastic limiting part relative to the wall surface of the other elastic limiting part is provided with a guide surface, and each guide surface is obliquely arranged towards the other guide surface from one end far away from the clamping cavity to one end close to the clamping cavity.
4. The rebar protection spacer of claim 3,
each elastic limiting part is provided with a clamping structure at the lower side of the guide surface and used for clamping and limiting the steel bar to be fixed placed in the clamping cavity.
5. The rebar protection spacer of claim 4,
the clamping structure is of a circular arc-shaped structure and is used for abutting against the outer wall of the steel bar to be fixed.
6. The rebar protection spacer of any one of claims 1-5,
and the inner diameter of the channel of the reinforcing steel bar channel is gradually reduced from one end of the reinforcing steel bar channel far away from the clamping cavity to one end of the reinforcing steel bar channel close to the clamping cavity.
7. The rebar protection covering block of any one of claims 1-5, wherein the support member and the fastener are integrally formed of plastic.
8. The rebar protection spacer of any one of claims 1-5, wherein the thickness of the support member is equal to the thickness of the rebar protection layer.
9. The rebar protection spacer of any one of claims 1-5, wherein the support member is of a circular arc configuration.
CN202122346816.8U 2021-09-27 2021-09-27 Steel bar protective layer cushion block Active CN216340474U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122346816.8U CN216340474U (en) 2021-09-27 2021-09-27 Steel bar protective layer cushion block

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122346816.8U CN216340474U (en) 2021-09-27 2021-09-27 Steel bar protective layer cushion block

Publications (1)

Publication Number Publication Date
CN216340474U true CN216340474U (en) 2022-04-19

Family

ID=81174818

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122346816.8U Active CN216340474U (en) 2021-09-27 2021-09-27 Steel bar protective layer cushion block

Country Status (1)

Country Link
CN (1) CN216340474U (en)

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