CN204418559U - A kind of bolt-type syndeton for connecting stair upper end - Google Patents
A kind of bolt-type syndeton for connecting stair upper end Download PDFInfo
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- CN204418559U CN204418559U CN201420848431.9U CN201420848431U CN204418559U CN 204418559 U CN204418559 U CN 204418559U CN 201420848431 U CN201420848431 U CN 201420848431U CN 204418559 U CN204418559 U CN 204418559U
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- stair
- latch
- bolt
- reinforcing bar
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Abstract
The utility model discloses a kind of bolt-type syndeton for connecting stair upper end, comprise: for be fixed on house and to support the stair support portion of junction, stair upper end, stretch out at least one of setting from described stair support portion for connecting the latch of stair upper end, and be arranged at least one jack for being connected with described latch of junction, stair upper end.A kind of bolt-type syndeton for connecting stair upper end provided by the utility model, to throw away reinforcing bar and Cast-in-situ Beam from original PC stair end and carry out being connected changing into owing to have employed and Cast-in-situ Beam, to stretch out 2 ~ 3 joint bars being not less than 12 millimeters replace and throw away reinforcing bar from PC stair end, throw away reinforcing bar be not easy construction to reduce.The utility model, owing to simplifying connected node, causes constructional difficulties when the effect brought is and reduces amount of reinforcement and throw away reinforcing bar, and the utility model makes stair connection more firm, and simple to operate, easy for installation.
Description
Technical field
The utility model relates to a kind of connected node for connecting stair, in particular a kind of bolt-type syndeton for connecting stair upper end.
Background technology
Connected node for connecting stair in prior art divides two kinds:
Be the situation all throwing away bar connecting up and down, there is following shortcoming: 1), stair diagonal bracing effect need participate in agent structure calculate, as arranged off-centre staircase to agent structure reverse unfavorable; 2) throw away reinforcing bar when, producing prefabricated units and be not easy construction; 3), on-site hoisting when installing on prefabricated units the reinforcing bar that throws away conflict with the easy position of the reinforcing cage of Cast-in-situ Beam, constructional difficulties.
The second is that sliding support release is done in lower end, and upper end also uses the direct anchor of the reinforcing bar of stair in cast-in-situ beam slab.Also there is following shortcoming: throw away reinforcing bar when producing prefabricated units and be not easy construction.
Therefore, prior art has yet to be improved and developed.
Utility model content
In view of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of bolt-type syndeton for connecting stair upper end, stair is connected more firm, and simple to operate, easy for installation.
The technical solution of the utility model is as follows:
A kind of bolt-type syndeton for connecting stair upper end, wherein, comprise: for be fixed on house and to support the stair support portion of junction, stair upper end, stretch out at least one of setting from described stair support portion for connecting the latch of stair upper end, and be arranged at least one jack for being connected with described latch of junction, stair upper end.
The described bolt-type syndeton for connecting stair upper end, wherein, described stair support portion is provided with supporting surface, and described latch protrudes upward setting from described supporting surface.
The described bolt-type syndeton for connecting stair upper end, wherein, described latch is the reinforcing bar latch stretched out from the reinforcing cage be arranged on inside described stair support portion.
The described bolt-type syndeton for connecting stair upper end, wherein, described latch is 1-5 root, and described jack is also 1-5 accordingly.
The described bolt-type syndeton for connecting stair upper end, wherein, described latch is 2-3 root, and described jack is also 2-3 accordingly.
The described bolt-type syndeton for connecting stair upper end, wherein, described reinforcing bar latch is that at least diameter is the joint bar latch of 16 millimeters.
The described bolt-type syndeton for connecting stair upper end, wherein, is filled with cement sand bed between described latch and described jack.
A kind of bolt-type syndeton for connecting stair upper end provided by the utility model, to throw away reinforcing bar and Cast-in-situ Beam from original PC stair end and carry out being connected changing into owing to have employed and Cast-in-situ Beam, to stretch out 2 ~ 3 joint bars being not less than 16 replace and throw away reinforcing bar from PC stair end, throw away reinforcing bar be not easy construction to reduce.The utility model, owing to simplifying connected node, causes constructional difficulties when the effect brought is and reduces amount of reinforcement and throw away reinforcing bar, and the utility model makes stair connection more firm, and simple to operate, easy for installation.
Accompanying drawing explanation
Fig. 1 is the structural representation of the bolt-type syndeton preferred embodiment for connecting stair upper end of the present utility model.
Detailed description of the invention
The utility model provides a kind of bolt-type syndeton for connecting stair upper end, for making the purpose of this utility model, technical scheme and effect clearly, clearly, further describes the utility model referring to accompanying drawing examples.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
A kind of bolt-type syndeton for connecting stair upper end that the utility model embodiment provides, as shown in Figure 1, comprise: for be fixed on house and to support the stair support portion 210 of junction, stair upper end, stretch out at least one of setting from described stair support portion 210 for connecting the latch 300 of stair 100, and be arranged at least one jack 110 for being connected with described latch 300 of stair 100 junction.
In the present embodiment, preferably, adopt on described stair support portion 210 and be provided with supporting surface 211, described latch 300 protrudes upward setting from described supporting surface 211.Described latch 300 is such as adopted to be the 200 reinforcing bar latches stretched out from the reinforcing cage be arranged on inside described stair support portion 210.
Wherein, the number that arranges of described latch 300 can be 1-5 root, and described jack 110 is also 1-5 accordingly.
Preferably this enforcement adopts, and described latch 300 is 2-3 root, and described jack 110 is also 2-3 accordingly.
Further, the described bolt-type syndeton for connecting stair upper end, wherein, described reinforcing bar latch is that at least diameter is the joint bar latch of 12 millimeters.
Further, the described bolt-type syndeton for connecting stair upper end, as shown in Figure 1, adopts between described latch 300 and described jack 110 and is filled with cement sand bed 301.
The utility model in the specific implementation, the joint bar (as shown in Figure 1 300) stretching out 2 ~ 3 diameters and be not less than 12 millimeters in reinforcing cage 200 can be adopted when making the reinforcing cage of Cast-in-situ Beam, latch 300 is wholely set with reinforcing cage 200, it is more firm that the latch stretched out like this 300 pairs of stair connect, (time PC stair (Precast Concrete is also precast concrete stair), the jack 110 corresponding with joint bar joint bar position is reserved at production PC stair, preferably described jack 110 is circular hole (can certainly be square hole, three polygonal hole etc.), when on-site hoisting is installed, first fix Cast-in-situ Beam and then lift PC stair from top to bottom preformed hole is chimeric with joint bar one_to_one corresponding, the cement mortar (cement sand bed 301 as shown in Figure 1) of finally installing location after-pouring and beam ad eundem forms one.Owing to simplifying connected node, when the effect brought is and reduces amount of reinforcement and throw away reinforcing bar, cause constructional difficulties.
In sum, a kind of bolt-type syndeton for connecting stair upper end provided by the utility model, to throw away reinforcing bar and Cast-in-situ Beam from original PC stair end and carry out being connected changing into owing to have employed and Cast-in-situ Beam, to stretch out joint bar that 2-root is not less than 12 millimeters replace and throw away reinforcing bar from PC stair end, throw away reinforcing bar be not easy construction to reduce.The utility model, owing to simplifying connected node, causes constructional difficulties when the effect brought is and reduces amount of reinforcement and throw away reinforcing bar, and the utility model makes stair connection more firm, and simple to operate, easy for installation.
Should be understood that; application of the present utility model is not limited to above-mentioned citing; for those of ordinary skills, can be improved according to the above description or convert, all these improve and convert the protection domain that all should belong to the utility model claims.
Claims (4)
1. one kind for connecting the bolt-type syndeton of stair upper end, it is characterized in that, comprise: for be fixed on house and to support the stair support portion of junction, stair upper end, stretch out at least one of setting from described stair support portion for connecting the latch of stair upper end, and be arranged at least one jack for being connected with described latch of junction, stair upper end;
Described latch is the reinforcing bar latch stretched out from the reinforcing cage be arranged on inside described stair support portion, and latch is wholely set with reinforcing cage; Cement sand bed is filled with between described latch and described jack; Described reinforcing bar latch is that at least diameter is the joint bar latch of 12 millimeters.
2. the bolt-type syndeton for connecting stair upper end according to claim 1, is characterized in that, described stair support portion is provided with supporting surface, and described latch protrudes upward setting from described supporting surface.
3. the bolt-type syndeton for connecting stair upper end according to claim 1, is characterized in that, described latch is 1-5 root, and described jack is also 1-5 accordingly.
4. the bolt-type syndeton for connecting stair upper end according to claim 1, is characterized in that, described latch is 2-3 root, and described jack is also 2-3 accordingly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420848431.9U CN204418559U (en) | 2014-12-29 | 2014-12-29 | A kind of bolt-type syndeton for connecting stair upper end |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420848431.9U CN204418559U (en) | 2014-12-29 | 2014-12-29 | A kind of bolt-type syndeton for connecting stair upper end |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204418559U true CN204418559U (en) | 2015-06-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420848431.9U Active CN204418559U (en) | 2014-12-29 | 2014-12-29 | A kind of bolt-type syndeton for connecting stair upper end |
Country Status (1)
| Country | Link |
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| CN (1) | CN204418559U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138299A (en) * | 2018-08-15 | 2019-01-04 | 绿山高科建设科技有限公司 | A kind of PC stair |
| CN112411766A (en) * | 2020-11-26 | 2021-02-26 | 上海宝冶集团有限公司 | Construction method of upper and lower end connecting node of prefabricated staircase |
-
2014
- 2014-12-29 CN CN201420848431.9U patent/CN204418559U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109138299A (en) * | 2018-08-15 | 2019-01-04 | 绿山高科建设科技有限公司 | A kind of PC stair |
| CN112411766A (en) * | 2020-11-26 | 2021-02-26 | 上海宝冶集团有限公司 | Construction method of upper and lower end connecting node of prefabricated staircase |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |