CN208686753U - It is a kind of can in main structure pre-buried branch drain elevator bolt - Google Patents
It is a kind of can in main structure pre-buried branch drain elevator bolt Download PDFInfo
- Publication number
- CN208686753U CN208686753U CN201821241204.4U CN201821241204U CN208686753U CN 208686753 U CN208686753 U CN 208686753U CN 201821241204 U CN201821241204 U CN 201821241204U CN 208686753 U CN208686753 U CN 208686753U
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- screw rod
- expansion sleeve
- pedestal
- main structure
- buried
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Abstract
A kind of bolt of branch drain elevator pre-buried in main structure construction, including length it is the screw rod of 60mm, it is characterized in that setting drilling on construction formwork, expansion sleeve is sleeved on the screw rod, screw rod, which passes through, drills and exceeds 5mm below template, and the pedestal of expansion sleeve is fixed in template with nail；Nut and pedestal are equipped in expansion sleeve.The utility model install convenient, operation is light and handy, fix stably, site operation cleaning, civilization, safety.
Description
Technical field
The utility model belongs to building affiliated facility, and in particular to a kind of branch drain elevator spiral shell pre-buried in main structure
Bolt.
Background technique
The extensive use of building trade BIM technology, we construction when can accurately judge various pipelines trend and
Accurate location.The method that elevator uses expansion bolt perforating fixed on traditional toilet branch pipe in the case where BIM technology is constantly carried out
It is gradually backed out the arena of history, expansion bolt, behaviour are buried in conventional method station on scaffold with electric hammer on concrete roof
Make inconvenient also dangerous and be easy to interrupt electric conduit pre-buried in concrete, construction is not only complicated in this way but also returns later period threading
It causes a hidden trouble.In order to which BIM technology is preferably used, we have invented a spiral shells that can be directly pre-buried in main structure
Bolt.
Summary of the invention
In order to improve work efficiency, prevent to destroy built-in electric wire conduit, the utility model provides one kind can be in main body structure concrete
In pre-buried branch drain elevator bolt.
A kind of bolt of branch drain elevator pre-buried in main structure construction, is the screw rod of 60mm including length, special
Sign is that drilling is set on construction formwork, and expansion sleeve is sleeved on the screw rod, and screw rod, which passes through, drills and exceed 5mm below template, uses nail
The pedestal of expansion sleeve is fixed in template；The expansion sleeve is made of pedestal, nut and cylinder, and cylinder one end inner cavity is set
There is nut, outer wall connects pedestal.
The boring aperture of construction formwork is 8mm drilling.
The utility model install convenient, operation is light and handy, is embedded in fix stably in concrete, site operation cleaning, civilization, safety.
The utility model is suitable in branch drain elevator bolt pre-buried main structure.
Detailed description of the invention
Fig. 1 is the utility model structure chart；
Fig. 2 is the sectional view of expansion sleeve；
Fig. 3 is the top view of expansion sleeve.
In figure, 1, expansion sleeve, 2, screw rod, 3, nail, 4, template, 5, pedestal, 6, nut, 7, horn mouth, 8, cylinder, 9,
Hole for nailing.
Specific embodiment
Shown in Fig. 1, a kind of bolt of branch drain elevator pre-buried in main structure construction.2 length of screw rod is 60mm,
It is characterized in setting 8mm drilling on construction formwork 4,1 set of expansion sleeve on screw rod 2, is installed screw rod 2 and beyond under template in drilling
The pedestal of expansion sleeve is fixed in template 4 by square 5mm with nail 3.
Pedestal 5 is one piece of doughnut-shaped steel plate.
The expansion sleeve is made of pedestal 5, nut 6 and cylinder 8, cylinder one end inner cavity welded nut 6, and outer wall welds bottom
Seat 5, the cylinder other end sets horn mouth 7.
Claims (1)
1. a kind of bolt of branch drain elevator pre-buried in main structure construction, is the screw rod of 60mm, feature including length
It is that drilling is set on construction formwork, expansion sleeve is sleeved on the screw rod, and screw rod, which passes through, drills and exceed 5mm below template, will with nail
The pedestal of expansion sleeve is fixed in template；The expansion sleeve is made of pedestal, nut and cylinder, and cylinder one end inner cavity is equipped with
Nut, outer wall connect pedestal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821241204.4U CN208686753U (en) | 2018-08-02 | 2018-08-02 | It is a kind of can in main structure pre-buried branch drain elevator bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821241204.4U CN208686753U (en) | 2018-08-02 | 2018-08-02 | It is a kind of can in main structure pre-buried branch drain elevator bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208686753U true CN208686753U (en) | 2019-04-02 |
Family
ID=65883161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821241204.4U Active CN208686753U (en) | 2018-08-02 | 2018-08-02 | It is a kind of can in main structure pre-buried branch drain elevator bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208686753U (en) |
-
2018
- 2018-08-02 CN CN201821241204.4U patent/CN208686753U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |