CN202047477U - Pin for construction - Google Patents
Pin for construction Download PDFInfo
- Publication number
- CN202047477U CN202047477U CN2011201334143U CN201120133414U CN202047477U CN 202047477 U CN202047477 U CN 202047477U CN 2011201334143 U CN2011201334143 U CN 2011201334143U CN 201120133414 U CN201120133414 U CN 201120133414U CN 202047477 U CN202047477 U CN 202047477U
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- CN
- China
- Prior art keywords
- ailhead
- pin
- diameter
- peg
- nail bar
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- 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
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Abstract
The utility model provides a pin for construction, belongs to the technical field of construction, and helps to solve problems that a conventional pin is weak in limit strength of shear resistance and is poor in bearing capacity. The pin for construction comprises a cylindrical pin rod. One end of the pin rod is provided with a first pin head, and the other end of the pin rod is provided with a second pin head. The diameter of the first pin head is greater than that of the pin rod. The diameter of the second pin head is greater than that of the pin rod. According to the pin for construction of the utility model, pin heads are arranged at both ends of the pin rod, thereby increasing the welding area between the pin and a steel beam and increasing the shearing area. Therefore, the bearing capacity of the pin is enhanced, and the concrete is more firmly connected with the steel beam.
Description
Technical field
The utility model belongs to technical field of buildings, relates to the peg that uses in the steel-concrete combined structure.
Background technology
Along with fast development of society, large public building and the building construction of superelevation layer are more and more, this type of The development of architecture trend is steel-concrete combined structure, has good combination power and energy co-operation between girder steel and the concrete slab in order to make, and peg obtains extensive use in this technical field.
Daily our common peg mostly is single ailhead structure, generally includes nail bar and ailhead, and the diameter of ailhead is greater than the nail bar, and the nail bar is polished rod or offers screw thread on the nail bar.For example, disclosed a kind of screw-threaded shear nail [China Patent No.: 200520008119.X in the Chinese patent; Notice of authorization number: CN2837411Y], it is made up of ailhead, nail bar, welding agent, screw thread four parts, and screwed nail bar is processed into the weldering nail, forms the screw-threaded shear nail, it is characterized in that: following closely the bar surface has screw thread, thereby increases it and concrete adhesion stress.
The screw-threaded shear tack welding medicine of this structure is set directly at the end of nail bar, and the nail bar that screw-threaded shear is followed closely during use has this end face of welding agent and is welded on the girder steel.Because when adopting this connected mode, the shear stress maximum of nail bar bottom weld reaches the shearing resistance ultimate strength and destroyed the easiliest; And the mode that this nail bar directly welds, the contact area during welding is little, and the shearing resistance ultimate strength is little, and supporting capacity is relatively poor, and it is not firm to cause using.
Summary of the invention
The purpose of this utility model is at the existing the problems referred to above of existing technology, proposed a kind of be provided with in nail bar bottom ailhead with the bonding area that strengthens peg and girder steel improve bearing capacity peg for building.
The purpose of this utility model can realize by following technical proposal: a kind of peg for building, comprise columniform nail bar, one end of described nail bar is provided with ailhead one, the diameter of described ailhead one is greater than the diameter of nail bar, it is characterized in that, the other end of described nail bar is provided with ailhead two, and the diameter of described ailhead two is greater than the diameter of nail bar.
Peg of the present utility model is used for girder steel and is connected with concrete, and peg casts directly in the concrete to form with fixed concrete and is connected, and the end face that is provided with ailhead two these ends is welded on the girder steel.The diameter of ailhead two has increased the bonding area when weld with girder steel greater than the diameter of nail bar, the shear capacity of raising peg.
In above-mentioned peg for building, the end face of described ailhead two is provided with welding agent.Welding agent helps the isolated electric arc environment of stable arc, manufacturing and air, thereby improves welding quality.
In above-mentioned peg for building, offer external screw thread on the described nail bar.Set up external screw thread on the bar at nail and can increase frictional resistance between peg and the concrete.
In above-mentioned peg for building, described nail bar is a polished rod.The peg of this structure mainly plays the effect that prevents concrete and start, the effect that ailhead two plays shearing resistance by ailhead one.
In above-mentioned peg for building, described nail bar, ailhead one and ailhead two are structure as a whole.The peg sound construction of integrative-structure uses more reliable.
In above-mentioned peg for building, the diameter of described ailhead two is identical with the diameter of ailhead one.
In above-mentioned peg for building, the diameter of described ailhead two is greater than the diameter of ailhead one.
In above-mentioned peg for building, the diameter of described ailhead two is less than the diameter of ailhead one.
Relative diameter size between ailhead two and the ailhead one, the size requirements setting of required contact area when the power of ailhead two required carryings and ailhead two are with the girder steel welding during according to use.The diameter of ailhead two is bigger, and bearing capacity is bigger, and the contact area of welding is bigger, connects more firm.
Compared with prior art, peg for building of the present utility model has the following advantages:
1, set up ailhead at the other end of nail bar, strengthened the bonding area of peg and girder steel,, more firm by increase shear(ing) area therebetween thereby the assurance concrete is connected with girder steel to improve the supporting capacity of peg.
2, on the nail bar external screw thread is set, such peg can utilize the frictional resistance between external screw thread and concrete interlocking increase peg and the concrete, reduces concrete slippage.
3, select the ailhead one of prism-shaped for use, effectively improve the concrete effect that starts that prevents.
Description of drawings
Fig. 1 is first kind of structural representation of peg for building of the present utility model.
Fig. 2 is second kind of structural representation of peg for building of the present utility model.
Fig. 3 is the third structural representation of peg for building of the present utility model.
Fig. 4 is the 4th a kind of structural representation of peg for building of the present utility model.
Among the figure, 1, the nail bar; 2, ailhead one; 3, ailhead two; 4, welding agent; 5, external screw thread.
The specific embodiment
Below be specific embodiment of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As shown in Figure 1, peg for building of the present utility model comprises nail bar 1, ailhead 1, ailhead 23 and welding agent 4.
The diameter of ailhead 23 can be identical with the diameter of ailhead 1 in the utility model, also can be inequality, it is the size requirements setting of required contact area during with the girder steel welding with respect to the power of the diameter of ailhead 1 ailhead 23 required carryings when using and ailhead 23.The diameter of ailhead 23 is bigger, and the contact area of welding is bigger, improves the shear capacity of peg.
When peg of the present utility model was used for concrete and is connected with girder steel, whole peg was cast in the concrete to form with fixed concrete and is connected, and the outer face that is provided with ailhead 23 these ends directly is welded on the girder steel.Because on nail bar 1, be provided with external screw thread 5, thus the frictional resistance between peg and the concrete increased, thus make that connection is more firm.The diameter of ailhead 23 is greater than the diameter of nail bar 1, and the bonding area when strengthening with the girder steel welding improves the shear capacity of peg.
As shown in Figure 2, the peg for building of present embodiment 1 is close with the 26S Proteasome Structure and Function of embodiment, but the nail bar 1 in the present embodiment is a polished rod.
As shown in Figure 3 and Figure 4, the 26S Proteasome Structure and Function of the peg for building of present embodiment and embodiment 1 and embodiment 2 is close, but the ailhead 1 in the present embodiment is positive hexa-prism, the inscribed circle diameter of positive six prisms is direct greater than nail bar 1, the peg of this structure prevents the concrete effect that starts by the interaction energy enhancing of ailhead one 2 outer ribs and the snap-in force between the concrete.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although this paper has used terms such as housing nail bar 1, ailhead 1, ailhead 23, welding agent 4, external screw thread 5 morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.
Claims (8)
1. peg for building, comprise columniform nail bar (1), one end of described nail bar (1) is provided with ailhead one (2), the diameter of described ailhead one (2) is greater than the diameter of nail bar (1), it is characterized in that, the other end of described nail bar (1) is provided with ailhead two (3), and the diameter of described ailhead two (3) is greater than the diameter of nail bar (1).
2. peg for building according to claim 1 is characterized in that, the end face of described ailhead two (3) is provided with welding agent (4).
3. peg for building according to claim 1 is characterized in that, described nail bar (1), ailhead one (2) and ailhead two (3) are structure as a whole.
4. according to claim 1 or 2 or 3 described pegs for building, it is characterized in that, offer external screw thread (5) on the described nail bar (1).
5. according to claim 1 or 2 or 3 described pegs for building, it is characterized in that described nail bar (1) is a polished rod.
6. according to claim 1 or 2 or 3 described pegs for building, it is characterized in that the diameter of described ailhead two (3) is identical with the diameter of ailhead one (2).
7. according to claim 1 or 2 or 3 described pegs for building, it is characterized in that the diameter of described ailhead two (3) is greater than the diameter of ailhead one (2).
8. according to claim 1 or 2 or 3 described pegs for building, it is characterized in that the diameter of described ailhead two (3) is less than the diameter of ailhead one (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201334143U CN202047477U (en) | 2011-04-29 | 2011-04-29 | Pin for construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201334143U CN202047477U (en) | 2011-04-29 | 2011-04-29 | Pin for construction |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202047477U true CN202047477U (en) | 2011-11-23 |
Family
ID=44987790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201334143U Expired - Fee Related CN202047477U (en) | 2011-04-29 | 2011-04-29 | Pin for construction |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202047477U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111749117A (en) * | 2020-06-18 | 2020-10-09 | 苏交科集团股份有限公司 | Dumbbell-shaped stud shear connector and construction method thereof |
| CN115076200A (en) * | 2022-05-13 | 2022-09-20 | 上海应用技术大学 | High-strength bolt shear connector |
-
2011
- 2011-04-29 CN CN2011201334143U patent/CN202047477U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111749117A (en) * | 2020-06-18 | 2020-10-09 | 苏交科集团股份有限公司 | Dumbbell-shaped stud shear connector and construction method thereof |
| CN115076200A (en) * | 2022-05-13 | 2022-09-20 | 上海应用技术大学 | High-strength bolt shear connector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: TAIZHOU YINHONG CONSTRUCTION CO., LTD. Free format text: FORMER OWNER: TAIZHOU VOCATIONAL TECHNOLOGY COLLEGE Effective date: 20120511 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 318000 TAIZHOU, ZHEJIANG PROVINCE TO: 317500 TAIZHOU, ZHEJIANG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20120511 Address after: 317500 Zhejiang city of Taizhou province Wenling East Street Color Road No. 2 Patentee after: Taizhou Yinhong Construction Co. Ltd. Address before: 318000 Xueyuan Road, Jiaojiang, Zhejiang, No. 788, Patentee before: Taizhou Vocational & Technical College |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111123 Termination date: 20170429 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |