CN218714376U - Adjustable combined concrete cushion block - Google Patents
Adjustable combined concrete cushion block Download PDFInfo
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- CN218714376U CN218714376U CN202222881465.5U CN202222881465U CN218714376U CN 218714376 U CN218714376 U CN 218714376U CN 202222881465 U CN202222881465 U CN 202222881465U CN 218714376 U CN218714376 U CN 218714376U
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- bar support
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Abstract
The utility model discloses an adjustable combined concrete cushion block, which comprises a bottom prefabricated cushion block, a bottom steel bar support block, an adjustable expansion piece, a top steel bar support block and a top prefabricated cushion block which are sequentially spliced together from bottom to top; the bottom prefabricated cushion block and the top prefabricated cushion block have the same structure and respectively comprise a concrete base and a plug connector fixed on the concrete base; the bottom steel bar support block and the top steel bar support block have the same structure and respectively comprise a support body with an opening at the top and a slot at the bottom, and grooves are formed in the four side walls of the upper part of the support body and used for placing steel bar joints crossed up and down; the adjustable expansion piece comprises external pieces and internal pieces, and two adjacent external pieces are connected through the internal pieces. The utility model can effectively support, fix and protect the bottom, the middle part and the top of the double-layer bidirectional steel bar; through setting up adjustable extensible member, can adjust cushion height, nimble use according to the protective layer thickness requirement of difference.
Description
Technical Field
The utility model relates to a construction technical field, concretely relates to adjustable combination formula concrete cushion.
Background
The concrete cushion block is also called a steel bar protection layer cushion block, is placed between the steel bar and the template in a brick-concrete structure and a frame structure, fixes the position of the steel bar and plays a role in preventing the steel bar from being exposed and corroded. In building construction, especially floor concrete construction, after the concrete cushion block is arranged, the thickness of the reinforced concrete protective layer can be effectively controlled, the reinforcing steel bar is prevented from being rusted, the service life of the concrete is prolonged, the effect of attractive appearance is achieved, and the construction quality is ensured.
In present concrete floor construction, although set up the bottom cushion, the protective layer thickness at top lacks controllable measure, and the middle part of double-deck two-way reinforcing bar does not have the support system, can cause the aversion of floor concrete reinforcing bar, warp because of reasons such as constructor walks about, construction tool collision sometimes. This makes can not effectively guarantee concrete surface protective layer thickness, and then influences floor concrete placement shaping quality. Therefore, how to control the thickness of the upper protective layer and how to prevent the deformation of the double-layer steel bars of the floor slab becomes a difficult-to-solve construction problem.
Disclosure of Invention
The utility model aims at providing an adjustable combination formula concrete cushion can require adjustment cushion height according to protective layer thickness, can play the supporting role to double steel bar simultaneously, prevent that the reinforcing bar warp for solve the technical problem that above-mentioned background art mentioned.
In order to solve the technical problem, the utility model adopts the following technical scheme:
designing an adjustable combined concrete cushion block, which comprises a bottom prefabricated cushion block, a bottom steel bar support block, an adjustable telescopic piece, a top steel bar support block and a top prefabricated cushion block which are sequentially spliced together from bottom to top;
the bottom prefabricated cushion block and the top prefabricated cushion block have the same structure and respectively comprise a concrete base and a plug connector fixed on the concrete base;
the bottom steel bar support block and the top steel bar support block have the same structure and respectively comprise support bodies with top openings and bottom slots, grooves are formed in the four side walls of the upper part of each support body, the grooves on the two opposite side walls form a group, the depth of one group of grooves is greater than that of the other group of grooves, and the grooves are used for placing steel bar joints crossed up and down;
the adjustable expansion piece comprises at least two external pieces and at least two internal pieces, the two adjacent external pieces are connected through the internal pieces, and elastic buckles which are symmetrical up and down and can be pressed are arranged on the outer wall of each internal piece and are respectively used for clamping the upper external piece and the lower external piece;
the plug connector on the prefabricated cushion block of end is pegged graft in the slot of bottom reinforcing bar support piece bottom, and the bottom of adjustable extensible member is pegged graft in the upper portion opening of bottom reinforcing bar support piece, and the top of adjustable extensible member is pegged graft in the bottom slot of top reinforcing bar support piece, and the plug connector on the prefabricated cushion block of top is pegged graft in the upper portion opening of top reinforcing bar support piece.
When the steel bar support is used, the bottom prefabricated cushion block is arranged below the steel bar crossing position, the bottom steel bar support block is inserted on the bottom prefabricated cushion block, the bidirectional steel bar crossing position of the bottom layer is arranged in a groove formed in the bottom steel bar support block, the steel bar at the lower part is positioned in a deeper groove, and the steel bar at the upper part is positioned in a shallower groove; adjusting the height of the adjustable telescopic piece according to the requirement of the thickness of the protective layer, inserting the adjustable telescopic piece on the bottom steel bar support block, then inserting the top steel bar support block above the adjustable telescopic piece, and placing the crossed position of the two-way steel bars at the top layer in a groove formed in the top steel bar support block; then the prefabricated cushion block of top is pegged graft in top reinforcing bar support piece top again, has accomplished promptly the utility model discloses adjustable combination formula concrete cushion's installation.
Preferably, the cross sections of the concrete base and the plug connector are square, the cross sections of the bottom steel bar support block, the adjustable telescopic piece and the top steel bar support block are square with the matched size, and the central lines of all the components are on the same straight line.
Preferably, the four corners of the upper opening of the bottom steel bar support block and the top steel bar support block are respectively provided with a support plate which is respectively used for supporting the adjustable expansion piece and the plug connector on the top prefabricated cushion block.
Preferably, the middle part of the inner wall of the outer connecting piece is provided with a limiting flange.
Preferably, the plug connector is prefabricated and fixed on the concrete base.
Preferably, the plug connector, the bottom steel bar support block, the adjustable telescopic piece and the top steel bar support block are all made of plastic materials.
Preferably, the cross-sectional size of the concrete base is 10x10cm.
The beneficial effects of the utility model reside in that:
the adjustable combined concrete cushion block can effectively support, fix and protect the bottom, the middle part and the top of the double-layer bidirectional steel bar; through setting up adjustable extensible member, can adjust cushion height, nimble use according to the protective layer thickness requirement of difference. The crossed positions of the double-layer bidirectional reinforcing steel bars are respectively supported, so that the reinforcing steel bars can be prevented from shifting and deforming, and the pouring forming quality of the floor concrete is ensured.
Drawings
FIG. 1 is a schematic view of the usage state of the present invention;
fig. 2 is a schematic side view of the present invention;
fig. 3 is a side sectional view of the present invention;
fig. 4 is a cross-sectional view of the other side of the present invention;
fig. 5 is a schematic view of the height adjustment of the adjustable telescoping member.
Reference numbers in the figures: 1, prefabricating a cushion block on the top, 2, a top steel bar support block, 3, an adjustable telescopic block, 31 external connecting pieces, 32 internal connecting pieces, 33 buckles and 34 limiting flanges; 4, a bottom steel bar support block, 5 bottom prefabricated cushion blocks, 6 concrete bases, 7 plug connectors, 8 slots and 9 grooves; 10 support plates, 11 reinforcing steel bars.
Detailed Description
The following examples are provided only for illustrating the embodiments of the present invention in detail and are not intended to limit the scope of the present invention in any way.
Example 1: an adjustable combined concrete cushion block is shown in figures 1-5 and comprises a bottom prefabricated cushion block 5, a bottom steel bar support block 4, an adjustable telescopic piece 3, a top steel bar support block 2 and a top prefabricated cushion block 1 which are sequentially spliced together from bottom to top.
The bottom prefabricated cushion block 5 and the top prefabricated cushion block 1 are identical in structure and respectively comprise a concrete base 6 and a plug connector 7 fixed on the concrete base 6. When the concrete base 6 is manufactured, the plug connector 7 is prefabricated and fixed on the concrete base. In this embodiment, the cross-sectional size of the concrete base 6 is 10 × 10cm.
The bottom steel bar support block 4 and the top steel bar support block 2 are identical in structure and respectively comprise a support body with an opening at the top and a slot 8 at the bottom, grooves 9 are respectively formed in the four side walls of the upper part of the support body, one group of grooves are formed in the two opposite side walls, the depth of one group of grooves is larger than that of the other group of grooves, and the grooves are used for placing steel bar joints crossed up and down; the prefabricated cushion block 5 in the end is used for placing the below bottom in double-deck two-way reinforcing bar crossing position department, and plug connector 6 on the prefabricated cushion block 5 in the slot of bottom reinforcing bar support piece 4 bottom is pegged graft, and the two-way reinforcing bar cross position department of lower floor places in the recess 9 of seting up on bottom reinforcing bar support piece 4, and reinforcing bar 11 of lower part is located a set of darker recess, and reinforcing bar 11 on upper portion is located a set of shallower recess, has accomplished the support to the reinforcing bar of lower floor promptly.
The adjustable telescopic part 3 comprises at least two external parts 31 and at least two internal parts 32, the two external parts 31 are connected through the internal part 32, and the external wall of the internal part 32 is provided with elastic buckles 33 which are symmetrical up and down and can be pressed and are respectively used for clamping the upper external part and the lower external part; the utility model provides an external connector 31 has threely, and internal connector 32 has two. When the adjustable expansion piece 3 is used, the height of the adjustable expansion piece 3 is adjusted according to the requirement of the thickness of a protective layer, the inner connecting piece can be inserted into the outer connecting piece by pressing down the buckle 33 so as to reduce the height, the outer connecting piece 31 is pulled outwards, and the inner connecting piece 32 can be pulled out so as to increase the height; the inner wall of the outer connecting piece can be provided with a sliding chute, so that the buckle can be conveniently clamped in; the form of the catch 33 may be implemented using existing structural members, as would be understood and implemented by one skilled in the art.
After the height of adjustable extensible member 3 has been adjusted as required, peg graft the bottom of adjustable extensible member 3 in the upper portion opening of bottom reinforcing bar support piece 4, peg graft in the bottom slot 8 of top reinforcing bar support piece 2 at the top of adjustable extensible member 3, the two-way reinforcing bar cross position department on upper strata places in the recess 9 of seting up on top reinforcing bar support piece 2, reinforcing bar 11 of lower part is located a set of darker recess, reinforcing bar 11 on upper portion is located a set of shallower recess, the support to the reinforcing bar on upper strata has been accomplished promptly. The connector clip 7 on the prefabricated cushion block 1 in top is pegged graft in the upper portion opening of top reinforcing bar support piece 2, and the concrete base 6 at top plays fixed and guard action to the upper reinforcing bar, avoids the reinforcing bar to be collided and produces aversion or deformation. Thus, the utility model discloses adjustable combination formula concrete cushion's installation has been accomplished promptly.
Furthermore, the cross sections of the concrete base 6 and the plug connector 7 are square, the cross sections of the bottom steel bar support block 4, the adjustable telescopic piece 5 and the top steel bar support block 2 are square with the same size, and the central lines of all the components are on the same straight line.
Further, a limit flange 34 is provided at the middle of the inner wall of the outer member 31.
Example 2: the utility model provides an adjustable combination formula concrete cushion, the difference with embodiment 1 lies in, is provided with backup pad 10 respectively in the upper portion opening four corners department of bottom reinforcing bar support piece 4 and top reinforcing bar support piece 2, is used for supporting adjustable extensible member 3 and the plug connector 6 on the prefabricated cushion 1 in top respectively.
The utility model discloses in concrete application, plug connector 7, bottom reinforcing bar support piece 4, adjustable extensible member 3, top reinforcing bar support piece 2 all can adopt the plastics material.
The apparatus elements referred to in the above embodiments are conventional apparatus elements unless otherwise specified.
The embodiments of the present invention have been described in detail with reference to the drawings and examples, but the present invention is not limited to the above embodiments, and can be modified or changed within the knowledge of those skilled in the art without departing from the spirit of the present invention.
Claims (7)
1. An adjustable combined concrete cushion block is characterized by comprising a bottom prefabricated cushion block, a bottom steel bar support block, an adjustable telescopic piece, a top steel bar support block and a top prefabricated cushion block which are sequentially spliced together from bottom to top;
the bottom prefabricated cushion block and the top prefabricated cushion block have the same structure and respectively comprise a concrete base and a plug connector fixed on the concrete base;
the bottom steel bar support block and the top steel bar support block have the same structure and respectively comprise support bodies with top openings and bottom slots, grooves are formed in the four side walls of the upper part of each support body, the grooves on the two opposite side walls form a group, the depth of one group of grooves is greater than that of the other group of grooves, and the grooves are used for placing steel bar joints crossed up and down;
the adjustable telescopic piece comprises at least two external pieces and at least two internal pieces, the two adjacent external pieces are connected through the internal pieces, and elastic buckles which are symmetrical up and down and can be pressed are arranged on the outer wall of each internal piece and are respectively used for clamping the upper external piece and the lower external piece;
the plug connector on the prefabricated cushion block of end is pegged graft in the slot of bottom reinforcing bar support piece bottom, and the bottom of adjustable extensible member is pegged graft in the upper portion opening of bottom reinforcing bar support piece, and the top of adjustable extensible member is pegged graft in the bottom slot of top reinforcing bar support piece, and the plug connector on the prefabricated cushion block of top is pegged graft in the upper portion opening of top reinforcing bar support piece.
2. The adjustable combined concrete cushion block according to claim 1, wherein the cross-sections of the concrete base and the plug connector are both square, the cross-sections of the bottom steel bar support block, the adjustable telescopic member and the top steel bar support block are all square with adaptive sizes, and the central lines of all the components are on the same straight line.
3. The adjustable modular concrete pad of claim 2, wherein support plates are provided at four corners of the upper openings of the bottom and top steel bar support blocks, respectively, for supporting the adjustable expansion members and the connectors on the top prefabricated pad.
4. An adjustable modular concrete pad as claimed in claim 1, wherein a stop flange is provided at the centre of the inner wall of the outer connector.
5. An adjustable modular concrete pad according to claim 1, wherein the connectors are pre-fabricated and secured to the concrete base.
6. The adjustable modular concrete pad of claim 1, wherein said connectors, bottom rebar support blocks, adjustable expansion elements, and top rebar support blocks are all plastic.
7. An adjustable modular concrete pad according to claim 1, wherein the concrete base has a cross-sectional dimension of 10x10cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222881465.5U CN218714376U (en) | 2022-10-31 | 2022-10-31 | Adjustable combined concrete cushion block |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222881465.5U CN218714376U (en) | 2022-10-31 | 2022-10-31 | Adjustable combined concrete cushion block |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218714376U true CN218714376U (en) | 2023-03-24 |
Family
ID=85595686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222881465.5U Active CN218714376U (en) | 2022-10-31 | 2022-10-31 | Adjustable combined concrete cushion block |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218714376U (en) |
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2022
- 2022-10-31 CN CN202222881465.5U patent/CN218714376U/en active Active
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