CN2673998Y - Shear force fastener for wall formwork - Google Patents
Shear force fastener for wall formwork Download PDFInfo
- Publication number
- CN2673998Y CN2673998Y CN 200320115634 CN200320115634U CN2673998Y CN 2673998 Y CN2673998 Y CN 2673998Y CN 200320115634 CN200320115634 CN 200320115634 CN 200320115634 U CN200320115634 U CN 200320115634U CN 2673998 Y CN2673998 Y CN 2673998Y
- Authority
- CN
- China
- Prior art keywords
- rod body
- wall formwork
- rod
- shear wall
- steel bushing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model discloses a shear force fastener for wall formwork, comprising a rod body with external helical teeth on the two ends, which has features of two conical steel sleeves with inner screw teeth which are matched with the screw teeth on the two ends of the rod body and two bolts matched with the steel sleeves. A hexagon nut base is arranged on bigger end of the steel sleeve. The rod body inside the wall and operable bolts outside the wall are correlated to a positioning integrity by steel sleeves. The bolts are screwed in and out to assemble or disassemble the formwork. The steel sleeves which are connected to the rod body by screws can be screwed out by the hexagon nuts on the steel sleeves and are reusable. The rod body is always concreted together with concrete, and both ends of the rod body are buried in the wall. The rod body can be leveled directly. The utility model is reasonable in structure. The rod body, steel sleeves, bolts etc. components are connected by screws reliably. The rod body is concreted with the shear wall. The utility model is no leakage and only a spanner or a built-in spanner is needed in operation.
Description
Technical field:
The utility model belongs to building field, particularly a kind of shear wall formwork securing member.
Background technology:
At building field, the cast-in-place template of building of flooring and beam column is comparatively simple, but upright support, but shear wall cast-in-place construction longitudinally, the support of template is promptly comparatively difficult, need to rise two template multiple spots are related, avoid concrete weight component with the distortion of bottom Form hanger or crack, influence construction quality or waste material.Construction method is that equilibrium is laid with the plastic casing-pipe that passes for reinforcing bar between two vertical templates at present, or directly reinforcing bar is passed two templates, then with two Template Location.After treating concrete curing, the plastic casing-pipe person, spacer bars and template are all detachable, and reuse, but leave the plastic cement pipe on the shear wall, when the metope levelling, to painstakingly pore be filled in, particularly be in the shear wall of wall face or washroom, otherwise can cause hidden leakage defect; And by the direct location person of reinforcing bar, need not also reinforcing bar to be pulled away, separate template after, metope is exposed at the reinforcing bar two ends, needs in the metope both sides steel bar end that grows is cut away, otherwise can influence levelling work.The conventional template fastening means exists certain not enough, and this also provides writing space to the utility model.
Summary of the invention:
The purpose of this utility model is the defective at traditional form of construction work and anchor design, but a kind of shear wall formwork securing member that separates with the outer part of wall spiral within the walls of design.
Technical solutions of the utility model are achieved in that a kind of shear wall formwork securing member, comprise that two ends have the body of rod of external screw teeth, it is characterized in that two taper band internal screw thread steel bushings that match with body of rod two ends thread and two bolts that match with steel bushing, the steel bushing stub end is provided with the hex nut seat.Utilize steel bushing that within the walls the body of rod and the outer exercisable bolt of wall are associated to a location integral body, template installing and locating or dismounting, the bolt that only need screw or outward winding gets final product; Steel bushing with the body of rod is spirally connected can screw out it by the nut seat on it, can be for reusing.The body of rod all the time with concrete curing together, and submerge within the metope in body of rod two ends, directly levelling gets final product.
The utlity model has reasonable in design, being spirally connected of parts such as the body of rod, steel bushing and bolt is reliable, and the body of rod and shear wall are solidified togather, the secret worry of leakproof, and constructing operation only needs spanner or built-in spanner to get final product, and except that the body of rod, remainder is reusable.
Description of drawings:
Below in conjunction with concrete legend the utility model is described further:
Fig. 1 securing member one part sectioned view
Fig. 2 protrudes nut end face figure
Fig. 3 securing member two part sectioned views
The recessed nut end face figure of Fig. 4
Fig. 5 user mode reference diagram
Wherein
1-body of rod 11-bulge loop 12-position limiting convex ring 2-steel bushing
21-protrudes the recessed nut 23-of nut 22-plastic layer 3-bolt
4-erects the horizontal sleeper 6-of sleeper 5-template 7-concrete
The specific embodiment:
With reference to Fig. 1 and Fig. 2, a kind of shear wall formwork securing member, comprise that two ends have the body of rod 1 of external screw teeth, two taper band internal screw thread steel bushings 2 that match with the body of rod 1 two ends thread, and two bolts 3 that match with steel bushing 2, steel bushing 2 stub ends are provided with the hex nut seat, and nut seat is for protruding nut 21 in this legend.Protrude nut 21 and not only can pass through wrench operated, and the nut 21 of protrusion can ride on two vertical template through holes, the facility of double-sided alignment bolt 3 is provided.Steel bushing 2 external surfaces are enclosed with plastic layer 23, prevent steel bushing 3 and concrete curing together, are difficult for unclamped.
Consider steel bushing 2 and bolt 3 for being repeatedly used, the big materials of hardness such as need employing iron and steel are made, and the body of rod 1 can be selected materials such as iron and steel or plastics for use.The difficult processing of the iron and steel body of rod 1 two ends thread, and working (machining) efficiency is low, if adopt plastics, gets final product one-shot forming, and not only efficient height and cost are low.Play the percolation-proof effect if adopt plastic bar body rod body 1 middle part to be provided with a bulge loop 11.In addition, steel bushing 2 is big with the internal screw thread bore of bolt 3 spiro union portions with the internal screw thread bore of the body of rod 1 spiro union portion, makes the enough small-bore body of rod 1 can reach the requirement of design pulling force, does not reduce whole tensile property because of the setting of body of rod external screw teeth again.
Be provided with two position limiting convex rings 12 in the thread end at the body of rod 1 two ends, make infinitely precession of steel bushing 2, and guarantee that securing member meets the standard of thickness, in addition then, this two position limiting convex ring 12 can play the percolation-proof effect again after steel bushing 2 whiz metope levellings.
With reference to Fig. 3 and Fig. 4, its basic structure and Fig. 1 are same, and just the hex nut seat of steel bushing 2 stub ends is recessed nut 22, need adopt built-in spanner during operation.
With reference to Fig. 5, the user mode reference diagram of securing member, the vertical template of shear wall 6 both sides all should add intrinsic perpendicular sleeper 4 and horizontal sleeper 5, form a square sash thin template 4 is reinforced, then toward 4 fluid concretes 7 of two templates.Can successively bolt 3, horizontal sleeper 5, vertical sleeper 4, template 6 be removed after concrete seven solidifies, again steel bushing 2 be screwed out at last and get final product, fill and lead up naturally during shallow bore hole eye levelling that steel bushing 2 stays.
Claims (7)
1, a kind of shear wall formwork securing member comprises that two ends have the body of rod of external screw teeth, it is characterized in that two taper band internal screw thread steel bushings that match with body of rod two ends thread and two bolts that match with steel bushing, and the steel bushing stub end is provided with the hex nut seat.
2, shear wall formwork securing member according to claim 1 is characterized in that the steel bushing external surface is enclosed with plastic layer.
3, shear wall formwork securing member according to claim 1 is characterized in that body of rod middle part is provided with a bulge loop.
4, according to claim 1 or 3 described shear wall formwork securing members, it is characterized in that the thread end at body of rod two ends is provided with two position limiting convex rings.
5, shear wall formwork securing member according to claim 1 and 2, the hex nut seat that it is characterized in that the steel bushing stub end is for protruding nut.
6, shear wall formwork securing member according to claim 1 and 2, the hex nut seat that it is characterized in that the steel bushing stub end is recessed nut.
7, shear wall formwork securing member according to claim 1 and 2 is characterized in that the internal screw thread bore of steel bushing and body of rod spiro union portion is big with the internal screw thread bore of bolt spiro union portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320115634 CN2673998Y (en) | 2003-10-23 | 2003-10-23 | Shear force fastener for wall formwork |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200320115634 CN2673998Y (en) | 2003-10-23 | 2003-10-23 | Shear force fastener for wall formwork |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2673998Y true CN2673998Y (en) | 2005-01-26 |
Family
ID=34475305
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200320115634 Expired - Fee Related CN2673998Y (en) | 2003-10-23 | 2003-10-23 | Shear force fastener for wall formwork |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2673998Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906850A (en) * | 2010-07-20 | 2010-12-08 | 重庆大学 | Special shearing-resistance anchor bolt pair for anchor group |
| CN102797356A (en) * | 2012-08-16 | 2012-11-28 | 青岛一建集团有限公司 | Shear wall jointing template reinforcing bolt |
-
2003
- 2003-10-23 CN CN 200320115634 patent/CN2673998Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101906850A (en) * | 2010-07-20 | 2010-12-08 | 重庆大学 | Special shearing-resistance anchor bolt pair for anchor group |
| CN102797356A (en) * | 2012-08-16 | 2012-11-28 | 青岛一建集团有限公司 | Shear wall jointing template reinforcing bolt |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |