CN213710103U - Reinforcing mesh reinforcing steel bar connector and concrete precast slab - Google Patents
Reinforcing mesh reinforcing steel bar connector and concrete precast slab Download PDFInfo
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- CN213710103U CN213710103U CN202022445124.4U CN202022445124U CN213710103U CN 213710103 U CN213710103 U CN 213710103U CN 202022445124 U CN202022445124 U CN 202022445124U CN 213710103 U CN213710103 U CN 213710103U
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- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 72
- 239000004567 concrete Substances 0.000 title claims abstract description 51
- 229910001294 Reinforcing steel Inorganic materials 0.000 title claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 40
- 239000010959 steel Substances 0.000 claims abstract description 40
- 230000002787 reinforcement Effects 0.000 claims description 18
- 239000011150 reinforced concrete Substances 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 239000004568 cement Substances 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 2
- 238000009435 building construction Methods 0.000 abstract 1
- 239000011178 precast concrete Substances 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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Abstract
The utility model relates to a building engineering technical field especially relates to reinforcing bar net steel bar connection spare and concrete precast slab. The reinforcing mesh reinforcing steel bar connecting piece comprises an integrally formed connecting piece body, through holes which are vertical to each other in different surfaces are formed in the connecting piece body, and connecting holes are formed in the side wall of the middle of each through hole and are communicated with the outside of the connecting piece body. Precast concrete slab; the two opposite end surfaces of the prefabricated plates are respectively provided with a tenon and a mortise which are matched with each other for splicing and matching between the adjacent prefabricated plates; and the board surface of the precast slab is provided with a grouting hole communicated with the mortise. Through above technical scheme, a replace steel wire binding's steel bar connection spare has easy operation is quick, conveniently adjusts having the some of reinforcing bar interval. And meanwhile, the concrete precast slab is provided, and the matched tenon and the matched mortise are fixed by utilizing the grouting hole through the matching of the tenon and the mortise, so that the precast slab has the advantage of firm connection and fixation of adjacent precast slabs, and meets the requirements of exquisite construction and green building construction.
Description
Technical Field
The utility model relates to a building engineering technical field especially relates to reinforcing bar net steel bar connection spare and concrete precast slab.
Background
Reinforced concrete slabs, slabs made of reinforced concrete materials, are basic structures or members in house buildings and various engineering structures, are commonly used as roofs, floor systems, platforms, walls, retaining walls, foundations, terraces, pavements, pools and the like, and have a very wide application range. Currently, concrete slabs are formed by pouring concrete in a mold to which reinforcing bars are bound. Among the prior art, need twine the ligature through the steel wire when the reinforcing bar among the reinforced concrete slab advances line location, operating personnel uses the steel wire to twine not only wastes time but also difficultly, greatly increased the cost.
Meanwhile, when the existing concrete precast slabs are spliced, the construction is carried out in a mode of additionally binding reinforcing steel bars and erecting templates for secondary pouring, and the end faces of two adjacent concrete precast slabs are directly placed in parallel without additional reinforcement when a plurality of transversely arranged concrete precast slabs such as floor slabs and road slabs are arranged.
SUMMERY OF THE UTILITY MODEL
The utility model discloses reinforcing bar net steel bar connection spare.
The technical problem to be solved is that: the steel bars of the steel mesh are connected in a steel wire binding mode, so that time and labor are wasted, and the steel bar spacing is not convenient to adjust.
In order to solve the technical problem, the utility model discloses reinforcing bar net steel bar connection adopts following scheme.
The reinforcing steel bar net reinforcing steel bar connecting piece comprises a connecting piece body which is integrally formed by cement or concrete materials, wherein the connecting piece body is provided with through holes which are vertical to each other in different surfaces and are divided into a transverse through hole and a longitudinal through hole, and transverse reinforcing steel bars and longitudinal reinforcing steel bars of a reinforcing steel bar net are respectively arranged in the transverse through hole and the longitudinal through hole in a penetrating manner; the side wall of the middle part of the through hole is also provided with a connecting hole which is communicated with the outside of the connecting piece body; the axis of the connecting hole is perpendicular to the axis of the through hole connected with the connecting hole.
Furthermore, the connecting piece body is a spherical concrete member, and transverse through holes, longitudinal through holes and connecting holes are reserved when the connecting piece body is molded; the through hole is in clearance fit with the steel bar
Furthermore, the opening of the through hole is expanded to be in a horn mouth shape.
Furthermore, the connecting holes are waist holes, and the long axis direction of the connecting holes is the same as the extending direction of the transverse through holes or the longitudinal through holes communicated with the connecting holes.
Furthermore, the connection position of the connecting hole and the through hole adopts smooth transition.
The utility model discloses concrete precast slab.
The technical problem to be solved is that: the existing concrete precast slab has the problems of complex and insecure splicing.
In order to solve the technical problem, the utility model discloses reinforcing bar net steel bar connection adopts following scheme.
The concrete precast slab, the material of the precast slab is reinforced concrete, the inside includes the skeleton that the steel reinforcement net makes up, adjacent horizontal, longitudinal reinforcement in the said steel reinforcement net passes the steel reinforcement connecting piece of the steel reinforcement net that the utility model provides connects fixedly; the two opposite end surfaces of the prefabricated plates are respectively provided with a tenon and a mortise which are matched with each other for splicing and matching between the adjacent prefabricated plates; and the board surface of the precast slab is provided with a grouting hole communicated with the mortise.
And grouting holes communicated with the mortises are formed in the two plate surfaces of the prefabricated plate.
A plurality of lightening holes are preset at different positions on the precast slab.
The utility model discloses reinforcing bar net steel bar connection spare compares with prior art, has following beneficial effect:
the utility model discloses can break away from the form of the manual ligature reinforcing bar of traditional workman, connect the reinforcing bar of reinforcing bar net with the connecting piece, have mutual different face vertically horizontal through-hole on the connecting piece and indulge the through-hole, the reinforcing bar is worn to establish in horizontal through-hole and indulge the through-hole, horizontal through-hole is connected with the external world through the connecting hole respectively with indulging the through-hole simultaneously, when pouring concrete to the reinforcing bar net, the concrete can flow in the horizontal reinforcing bar of reinforcing bar and horizontal through-hole and also vertical reinforcement and the gap of indulging the through-hole through the connecting hole to bond. Before not pouring the operation because the diameter of through-hole can be greater than the reinforcing bar and just can let the reinforcing bar wear to establish in the through-hole, so the reinforcing bar can slide in the through-hole, that is to say the connecting piece can remove along the reinforcing bar, if all connecting pieces on a vertical reinforcing bar slide on horizontal reinforcing bar simultaneously, can adjust the interval of adjacent vertical reinforcing bar, otherwise to horizontal reinforcing bar reason.
Compared with the prior art, the concrete precast slab of the utility model has the following beneficial effects:
the utility model discloses a concrete precast slab is through setting up tenon and tongue-and-groove respectively on relative terminal surface, and during the tenon of preceding precast slab inserted the tongue-and-groove of next precast slab when two adjacent precast slabs splice, pour into adhesive such as concrete etc. from the injected hole again after the area cooperation is accomplished. Thereby realizing the purpose of firmly connecting the adjacent precast slabs. And simultaneously through the utility model provides a reinforcing bar net steel bar connection spare comes the connecting reinforcement, owing to adopt steel bar connection spare to be convenient for adjust the characteristic of reinforcing bar interval, sets up the reinforcing bar and adjusts the size that the tenon position catches up with outstanding size and then control the size of tenon easily at the tenon position, and is the same reason to the tongue-and-groove. When the concrete precast element of preparation irregular rectangle, the protruding portion on the precast element, for example the utility model discloses the tenon part of concrete precast element, the difficult point of just making always, the difficulty mainly embodies on arranging of reinforcing bar, consequently if protruding position volume and atress be the little condition down can give up in many times and set up the reinforcing bar at the protruding position, only through outside mould to the protruding position shaping. However, some protruding locations are subjected to large stresses, so that reinforcement bars have to be placed inside the protruding locations to reinforce the structure. And prior art's reinforcement is difficult to the adjustment position, consequently adopts the utility model provides a steel bar net reinforcing bar connecting piece connects the steel bar net of concrete precast slab, and the position of adjusting the reinforcing bar easily lets the reinforcing bar align and confirm outstanding tenon size.
Drawings
Fig. 1 is a front view of the reinforcing mesh reinforcement connector of the present invention;
FIG. 2 is a top view of the concrete precast slab of the present invention;
fig. 3 is a perspective view of the concrete precast slab of the present invention.
Description of reference numerals: 1-connecting piece body, 1 a-transverse through hole, 1 b-longitudinal through hole, 1 c-connecting hole, 2-precast slab, 3-tenon, 4-mortise, 5-grouting hole and 6-lightening hole.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
In the present invention, unless otherwise specified, the use of directional terms such as "upper, lower, left, and right" generally means upper, lower, left, and right as illustrated with reference to fig. 2; "inner and outer" refer to the inner and outer relative to the profile of the components themselves. The present invention will be described in detail with reference to the accompanying drawings in conjunction with embodiments.
In order to solve the problems that the connecting of the steel bars of the steel mesh by adopting the steel wire binding mode wastes time and labor and is inconvenient for adjusting the spacing between the steel bars, the utility model firstly provides a steel bar connecting piece of the steel bar mesh, as shown in figure 1,
the reinforcing mesh reinforcing steel bar connecting piece comprises an integrally formed connecting piece body 1, wherein through holes which are vertical to each other in different surfaces are formed in the connecting piece body 1 and are divided into a transverse through hole 1a and a longitudinal through hole 1b, and transverse reinforcing steel bars and longitudinal reinforcing steel bars of a reinforcing mesh are respectively arranged in the transverse through hole 1a and the longitudinal through hole 1b in a penetrating mode;
the side wall of the middle part of the through hole is also respectively provided with a connecting hole 1c which is communicated with the outside of the connecting piece body 1; the axis of the connection hole 1c is perpendicular to the axis of the through hole to which the connection hole 1c is connected.
The utility model discloses can break away from the form of the manual ligature reinforcing bar of traditional workman, the reinforcing bar of reinforcing bar net is connected with the connecting piece, have mutual different face vertically horizontal through-hole 1a and indulge through-hole 1b on the connecting piece, the reinforcing bar is worn to establish in horizontal through-hole 1a and indulges through-hole 1b, horizontal through-hole 1a is connected with the external world through connecting hole 1c respectively with indulging through-hole 1b simultaneously, when pouring concrete to the reinforcing bar net, the concrete can flow in reinforcing bar horizontal reinforcing bar and horizontal through-hole 1a also have vertical reinforcement and indulge in through-hole 1 b's the gap through connecting hole 1c, thereby bond the reinforcing bar firmly. Before not pouring the operation because the diameter of through-hole can be greater than the reinforcing bar and just can let the reinforcing bar wear to establish in the through-hole, so the reinforcing bar can slide in the through-hole, that is to say the connecting piece can remove along the reinforcing bar, if all connecting pieces on a vertical reinforcing bar slide on horizontal reinforcing bar simultaneously, can adjust the interval of adjacent vertical reinforcing bar, otherwise to horizontal reinforcing bar reason.
Specifically, two through holes which are vertical to each other in different surfaces are reserved on an integrally formed component, reinforcing steel bars are arranged in the through holes in a penetrating mode, and the through holes are in clearance fit with the reinforcing steel bars. Guarantee that the reinforcing bar can wear to establish in the through-hole, the appearance unrestricted of connecting piece can be arbitrary can have the shape of two vertical through-holes of antarafacial, and preferred as shown in fig. 1, connecting piece body 1 is spherical component, reserves horizontal through-hole 1a, vertical through-hole 1b and connecting hole 1c during connecting piece body 1 shaping. Since the member as a whole can have a high strength in the case of a sphere. The connector body 1 may be made of plastic or rubber, but the service life of the plastic or rubber is greatly reduced in the concrete environment, and the connector body 1 is bonded to the concrete, so that cement or concrete is preferably used as the material of the connector body 1. It is further preferred to use the same concrete as the subsequent casting.
In order to facilitate pouring, concrete easily flows into gaps between the steel bars and the through holes, the connecting hole 1c is a waist hole, and the long axis direction of the connecting hole 1c is the same as the extending direction of the transverse through hole 1a or the longitudinal through hole 1b communicated with the connecting hole. Preferably, the long axis of the waist hole can be further extended until the waist hole penetrates through the connecting piece body 1, the connecting hole 1c is a notch formed along the axial direction of the through hole communicated with the connecting hole, and the width of the notch is smaller than the diameter of the steel bar. So when blocking the reinforcing bar in the through-hole, be favorable to the concrete to flow into the gap of through-hole and reinforcing bar more firmly with the reinforcing bar bonding.
As shown in fig. 1, since the concrete in the through hole mainly flows in through the connecting hole 1c, and the reinforcing steel bar in the through hole presses the side of the through hole close to the connecting hole 1c, the flowing space from the connecting hole 1c to the through hole is pressed, which is not beneficial to the concrete flowing into the through hole and bonding the reinforcing steel bar at the gap between the through hole and the reinforcing steel bar, the connecting part between the connecting hole 1c and the through hole adopts smooth transition. Thus, even if the reinforcing steel bar is pressed at the joint of the connecting hole 1c and the through hole, the round corner with smooth transition can ensure a large enough gap for concrete slurry to flow in.
Meanwhile, in order to facilitate installation of the connecting piece body 1, the opening of the through hole is expanded to be in a horn mouth shape. Thus, the reinforcing steel bar can be inserted into the through hole through the expanded bellmouth only by being substantially aligned with the through hole.
The concrete precast slab splicing method aims at solving the problems of complex and infirm splicing of the existing concrete precast slabs. The utility model also provides a concrete precast slab, as shown in figure 2 and figure 3:
the precast slab 2 is made of reinforced concrete and internally comprises a reinforcing mesh framework, and adjacent transverse and longitudinal reinforcing steel bars in the reinforcing mesh are connected and fixed through the reinforcing mesh steel bar connecting piece provided by the utility model; two opposite end surfaces of the prefabricated plates 2 are respectively provided with a tenon 3 and a mortise 4 which are matched with each other and used for splicing and matching the adjacent prefabricated plates 2; and the plate surface of the precast slab 2 is provided with a grouting hole 5 communicated with the mortise 4.
When the concrete precast element of preparation irregular rectangle, the protruding portion on the precast element, for example the utility model discloses concrete precast element's tenon 3 parts, the difficult point that just makes up to now, the difficulty mainly embodies on arranging of reinforcing bar, consequently if protruding position volume and atress be the little condition down can give up in many times and set up the reinforcing bar at the protruding position, only through outside mould to the protruding position shaping. However, some protruding locations are subjected to large stresses, so that reinforcement bars have to be placed inside the protruding locations to reinforce the structure. And prior art's reinforcement is difficult to the adjustment position, consequently adopts the utility model provides a steel bar net reinforcing bar connecting piece connects the steel bar net of concrete precast slab, and the position of easy adjustment reinforcing bar lets the reinforcing bar align and confirm outstanding tenon 3 size.
The utility model discloses a concrete precast slab is through setting up tenon 3 and tongue-and-groove 4 respectively on relative terminal surface, and during the tenon 3 of preceding precast slab 2 inserted next precast slab 2's tongue-and-groove 4 when two adjacent precast slabs 2 splice, pour into adhesive such as concrete etc. from injection hole 5 again after the area cooperation is accomplished. Thereby realizing the purpose of firmly connecting the adjacent prefabricated panels 2.
In particular, the concrete precast slab has an end surface connected with other precast slabs 2 and a slab surface not in contact with other precast slabs 2. The tenon 3 and the mortise 4 are respectively arranged on the opposite end faces to be connected with other prefabricated panels 2. Maintaining its flat surface on the surface of the panel not to be connected to the other prefabricated panels 2. The tenon 3 of one prefabricated plate 2 is matched and inserted into the mortise 4 of the next prefabricated plate 2, and then concrete is injected into the joint of the mortise 4 and the tenon 3 through the grouting hole 5 for bonding. The grouting holes 5 are vertically connected into the mortises 4 from the board surface, so that grouting operation can be conveniently carried out on the mortises 4.
The grouting holes 5 may be covered or opened downward when the panels are horizontally arranged, which makes grouting inconvenient, and it is preferable that the grouting holes 5 communicating with the mortises 4 are formed at both panels of the prefabricated panel 2. When grouting the mortise 4, the other unused grouting holes 5 are first blocked and then the operation is started.
A plurality of lightening holes 6 are preset at different positions on the precast slab 2. The lightening holes 6 shown in the figures 2 and 3 are determined according to practical application occasions and stress conditions, a plurality of lightening holes 6 are in a group, a group of lightening holes 6 are arranged in parallel at equal intervals, and the lightening holes 6 are arranged perpendicular to the surface of the precast slab 2.
The above-mentioned embodiments are only described for the preferred embodiments of the present invention, and are not limited to the scope of the present invention, and the ordinary skilled person in the art can modify and improve the technical solution of the present invention without departing from the design spirit of the present invention, including using the present invention in old house decoration, and all should fall into the protection scope defined by the claims of the present invention.
Claims (8)
1. The reinforcing mesh reinforcing steel bar connecting piece is characterized by comprising a connecting piece body (1) integrally formed by cement or concrete materials, wherein the connecting piece body (1) is provided with through holes which are vertical to each other in different surfaces and are divided into a transverse through hole (1 a) and a longitudinal through hole (1 b), and transverse reinforcing steel bars and longitudinal reinforcing steel bars of a reinforcing mesh are respectively arranged in the transverse through hole (1 a) and the longitudinal through hole (1 b) in a penetrating manner; the side wall of the middle part of the through hole is also provided with a connecting hole (1 c) which is communicated with the outside of the connecting piece body (1); the axis of the connecting hole (1 c) is perpendicular to the axis of the through hole connected with the connecting hole (1 c).
2. A reinforcing mesh reinforcement connector according to claim 1, wherein the connector body (1) is a spherical concrete member, and the connector body (1) is formed to reserve a transverse through hole (1 a), a longitudinal through hole (1 b) and a connecting hole (1 c); the through holes are in clearance fit with the steel bars.
3. The reinforcing mesh reinforcement coupler according to claim 1, wherein the opening of the through-hole is flared.
4. A reinforcing mesh reinforcement coupler according to claim 1, wherein the coupling holes (1 c) are waist holes, and the long axis direction of the coupling holes (1 c) is the same as the extending direction of the horizontal through holes (1 a) or the vertical through holes (1 b) to be coupled thereto.
5. A reinforcing mesh reinforcement connector according to claim 1, wherein the connection of the connection hole (1 c) and the through hole is rounded.
6. The concrete precast slab is characterized in that the precast slab (2) is made of reinforced concrete, a framework consisting of a steel bar mesh is arranged inside the precast slab, and adjacent transverse and longitudinal steel bars in the steel bar mesh are connected and fixed through a steel bar mesh steel bar connecting piece provided by any one of claims 1 to 5; the two opposite end surfaces of the precast slabs (2) are respectively provided with a tenon (3) and a mortise (4) which are matched with each other and used for splicing and matching between the adjacent precast slabs (2); and the board surface of the precast slab (2) is provided with a grouting hole (5) communicated with the mortise (4).
7. The concrete precast slab according to claim 6, wherein grouting holes (5) communicating with the mortises (4) are provided on both faces of the precast slab (2).
8. Concrete precast slab according to claim 6, characterized in that a plurality of lightening holes (6) are preset on the precast slab (2) at different positions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022445124.4U CN213710103U (en) | 2020-10-29 | 2020-10-29 | Reinforcing mesh reinforcing steel bar connector and concrete precast slab |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022445124.4U CN213710103U (en) | 2020-10-29 | 2020-10-29 | Reinforcing mesh reinforcing steel bar connector and concrete precast slab |
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| CN213710103U true CN213710103U (en) | 2021-07-16 |
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| CN202022445124.4U Active CN213710103U (en) | 2020-10-29 | 2020-10-29 | Reinforcing mesh reinforcing steel bar connector and concrete precast slab |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113833205A (en) * | 2021-10-15 | 2021-12-24 | 江阴市朗诺金属制品有限公司 | Corrosion-resistant antidetonation crack control reinforcing bar net piece |
| CN113863578A (en) * | 2021-09-07 | 2021-12-31 | 中国建筑第八工程局有限公司 | Basement exterior wall vertical steel bar fixing device and method for installing steel bars by using same |
-
2020
- 2020-10-29 CN CN202022445124.4U patent/CN213710103U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863578A (en) * | 2021-09-07 | 2021-12-31 | 中国建筑第八工程局有限公司 | Basement exterior wall vertical steel bar fixing device and method for installing steel bars by using same |
| CN113863578B (en) * | 2021-09-07 | 2023-07-25 | 中国建筑第八工程局有限公司 | Basement outer wall vertical steel bar fixing device and method for installing steel bars by using device |
| CN113833205A (en) * | 2021-10-15 | 2021-12-24 | 江阴市朗诺金属制品有限公司 | Corrosion-resistant antidetonation crack control reinforcing bar net piece |
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| CP03 | Change of name, title or address |
Address after: No.63, Yinqueshan Road, Lanshan District, Linyi City, Shandong Province Patentee after: TIANYUAN CONSTRUCTION GROUP Co.,Ltd. Country or region after: China Patentee after: Veterans (Shandong) Construction Group Co.,Ltd. Address before: No.63, Yinqueshan Road, Lanshan District, Linyi City, Shandong Province Patentee before: TIANYUAN CONSTRUCTION GROUP Co.,Ltd. Country or region before: China Patentee before: SHANDONG HONGDA REAL ESTATE Co.,Ltd. |
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