CN105002886A - Strong pull fastening structure - Google Patents
Strong pull fastening structure Download PDFInfo
- Publication number
- CN105002886A CN105002886A CN201510312543.1A CN201510312543A CN105002886A CN 105002886 A CN105002886 A CN 105002886A CN 201510312543 A CN201510312543 A CN 201510312543A CN 105002886 A CN105002886 A CN 105002886A
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- Prior art keywords
- collar
- fastening structure
- connection
- peg
- intermediate nut
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Abstract
The invention belongs to the technical field of building components, relates to a strong pull fastening structure, and solves the technical problem of unreliable connection in the prior art. The strong pull fastening structure comprises a middle nut, and a connecting plug inserted in the middle nut, wherein the end part of the middle nut has a clamping ring consisting of multiple clamping pieces; and when the connecting plug is inserted in the middle nut, the clamping ring can clamp the connecting plug to enable the connecting plug and the middle nut are in clamping fit. The strong pull fastening structure is characterized in that the clamping pieces have at least one clamping tooth inside; the connecting plug has at least one tension step; and the tension steps can be clamped with the clamping teeth to form a step type fastening structure. The tension steps can fit the clamping teeth to form the step type fastening structure, so that a moving gap of the connecting plug can be decreased, a connecting gap between pile bodies can be reduced, and the connection is closer and more reliable.
Description
Technical field
The invention belongs to building unit technical field, relate to one and hale fastening structure.
Background technology
The two ends of existing prefabricated component preformed pile are provided with steel plate, and square pile is connected by being welded to each other between steel plate.After pile body after connection is pressed into underground when piling, due to the especially villaumite that contains salt in soil, can corrosion be formed to the steel plate be exposed in soil, cause the junction between stake and stake to be ruptured, thus connection stake is disconnected.In addition, carried out the mode relative complex connected by the welding of steel plate, connect inconvenience.Therefore, people provide a kind of method of carrying out connecting with plug connector, and the use of plug connector substantially increases connection speed between prefabricated component and intensity, also can prevent from being corroded simultaneously.
As the applicant discloses a kind of prestressed concrete henry anisetree fruit square pile [application number: 201410541960.9] in the patent of applying for before, provide one and can make two interconnective plug-assemblies in pile body end and slot component, plug-assembly comprises the plug being fixed on the intrinsic plug base of square pile and extending square pile body exterior, described slot component comprises the joint ring being fixed on the intrinsic slot of square pile and being fixedly connected with the oral area of slot, when plug is inserted in slot, plug is connected with seal ring seal.Plug and plug base are demountable structure, one end that plug is adjacent with plug base is provided with the female screwed hole of tool, and plug base is provided with has externally threaded stud, and described stud and screwed hole cooperatively interact, when stud and screw hole, described plug and plug base are spirally connected.Plug comprises connection-peg and Plug Division, connection-peg and screwed hole are positioned at the two ends of Plug Division, described Plug Division is large lower young rounding taper type suitable for reading, and the inner chamber of described joint ring is the rounding taper type under large end opening suitable for reading, and described connection-peg is the little cydariform broad in the middle in two.Be positioned at below joint ring and be provided with a snap ring in slot, when Plug Division is inserted in slot, described snap ring is fastened on Plug Division.Also be provided with an elastic component in slot, described elastic component one end is resisted against bottom slot, the other end be resisted against on snap ring.The matching form of the junction of the shape of snap ring and connection-peg and Plug Division is fitted, and described joint ring and slot are spirally connected.
Plug-assembly and the slot component of such scheme can make two pile bodies be connected fast, and are connected firmly.But the program also has a fly in the ointment to be: Plug Division outer smooth, can skidding be produced with snap ring when snap-fit engagement, thus form free travel, make to occur larger gap between two pile bodies.
Summary of the invention
The object of the invention is for the problems referred to above, provide a kind of bonding strength high, what tensile property was good hales fastening structure.
For achieving the above object, present invention employs following technical proposal: one hales fastening structure, comprise intermediate nut and be inserted into the connection-peg in intermediate nut, described intermediate nut end has the collar be made up of several cards, when connection-peg is inserted in intermediate nut, described collar can block connection-peg thus make connection-peg and intermediate nut snap-fit engagement, it is characterized in that, described card inside has at least one latch, described connection-peg has at least one stretch-draw step, described stretch-draw step can with latch snap-fit engagement thus forming station scalariform fastening structure.
Hale in fastening structure above-mentioned, described connection-peg end has the depressed part suitable with collar matching form, and described stretching bed component level is on depressed part outer wall.
Hale in fastening structure above-mentioned, ringwise, the latch on several described cards encloses and forms loop configuration described stretch-draw step.
Hale in fastening structure above-mentioned, the end of described intermediate nut has the collar positioning chamber placing collar, and described collar positioning chamber end has can be blocked collar when collar slides to collar positioning chamber end thus prevent collar from skidding off the collar limit chamber of collar positioning chamber.
Hale in fastening structure above-mentioned, the outer wall of described collar positioning chamber is different with the gradient of the outer wall of collar limit chamber.
Hale in fastening structure above-mentioned, the angle between the outer wall of described collar positioning chamber and the outer wall of collar limit chamber is obtuse angle.
Compared with prior art, the invention has the advantages that:
1, stretch-draw step can coordinate forming station scalariform fastening structure with latch, thus can reduce the mobile space of connection-peg, reduces the joint gap between pile body, makes connection more closely reliable.
2, in inserted link swapping process, the collar limit chamber of intermediate nut can coordinate connection-peg to form firm triangle polyester fibre to collar, prevents collar from departing from collar positioning chamber, makes connection-peg grafting process stabilization reliable, improves the operating efficiency of construction.
Accompanying drawing explanation
Fig. 1 is the structural representation of intermediate nut provided by the invention;
Fig. 2 is the another kind of structural representation of intermediate nut provided by the invention;
Fig. 3 is the structural representation of connection-peg provided by the invention;
Fig. 4 is fundamental diagram of the present invention;
Fig. 5 is the fundamental diagram of another kind of state of the present invention;
Fig. 6 is the structural representation of the intermediate nut of prior art;
Fig. 7 is the structural representation of collar.
In figure: intermediate nut 1, connection-peg 2, card 3, collar 4, latch 5, stretch-draw step 6, stretch-draw step 6, depressed part 7, collar positioning chamber 8, collar limit chamber 9, step-like fastening structure 10.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be further described in detail.
Embodiment 1
As shown in Figure 4 and Figure 5, one hales fastening structure, the connection-peg 2 comprising intermediate nut 1 and be inserted in intermediate nut 1, described intermediate nut 1 end has the collar 4 be made up of several cards 3, when connection-peg 2 is inserted in intermediate nut 1, described collar 4 can block connection-peg 2 thus make connection-peg 2 and intermediate nut 1 snap-fit engagement, and described card 3 inside has at least one latch 5
Again shown in composition graphs 3, described connection-peg 2 has at least one stretch-draw step 6, described stretch-draw step 6 can with latch 5 snap-fit engagement thus forming station scalariform fastening structure 10.
Specifically, connection-peg 2 end has the depressed part 7 suitable with collar 4 matching form, and described stretch-draw step 6 is positioned on depressed part 7 outer wall.Ringwise, the latch 5 on several described cards 3 encloses and forms loop configuration stretch-draw step 6.
Comparative example 1
This comparative example is substantially identical with the structure of embodiment 1, and difference is, card 3 inwall does not have latch 5, connection-peg 2 does not have stretch-draw step 6.
It is below the tensile property contrast of embodiment 1 and comparative example 1.
Spacer thickness refers to the numerical value of the L in L or Fig. 5 in Fig. 4, and pulling force is the value of thrust to referring to apply connection-peg 2 end, and when carrying out tensile test, intermediate nut 1 is in stationary state.
From above-mentioned form, find out, under equal pulling force condition, to have the stretching spacing generally few 1mm more than of embodiment 1 than comparative example 1, that is stretch-draw step 6 and latch 5 forming station scalariform fastening structure improve extraction-resistant behavior.
Embodiment 2
The present embodiment is substantially identical with operating principle with the structure of embodiment 1, difference is, as depicted in figs. 1 and 2, the end of intermediate nut 1 has the collar positioning chamber 8 placing collar 4, and described collar positioning chamber 8 end has can be blocked collar 4 when collar 4 slides to collar positioning chamber 8 end thus prevent collar 4 from skidding off the collar limit chamber 9 of collar positioning chamber 8.
The outer wall of collar positioning chamber 8 is different with the gradient of the outer wall of collar limit chamber 9.Angle a between the outer wall of collar positioning chamber 8 and the outer wall of collar limit chamber 9 is obtuse angle.Preferably, this obtuse angle a angle is between 130-150 °.
Fig. 6 is the structural representation of the intermediate nut of prior art, only has collar positioning chamber 8, does not have collar limit chamber 9, and collar 4 easily skids off collar positioning chamber 8 and causes collar 4 and connection-peg 2 clamping failure.
The operating principle of the present embodiment is:
As shown in figs. 4 and 7, collar 4 is surrounded by some plate shapes, measure-alike card 3 and is circularized, and card 3 is stuck on the outer wall of connection-peg 2, and connection-peg 2 is inserted in collar 4.
As shown in Figure 4, when connection-peg 2 is inserted in collar 4 along the direction of arrow in figure, P1, P2 and P3 3 of card 3 is stressed, wherein the stress point of P3 is in the angle of collar positioning chamber 8 and collar limit chamber 9, it is stressed because snap ring spacing ring 14 formation stops, as everyone knows, supported at three point is the most firm supporting way, thus makes collar 4 can not skid off collar positioning chamber 8; As shown in Figure 5, when connection-peg 2 strains collar 4 along the direction of arrow in figure, P1, P2 and P3 3 of card 3 is stressed too, equally also forms gusseted, thus makes collar 4 clamp connection-peg 2; In sum, insert in the process of collar 4 at connection-peg 2, the angle formed by collar positioning chamber 8 and collar limit chamber 9 can provide one to support fulcrum, thus make card 3 and/or collar 4 obtain stable gusseted, card 3 and/or collar 4 can not drop out intermediate nut 1, and after connection-peg 2 completes insertion, collar 4 also obtains gusseted, firm connecting and fixing is formed to connection-peg 2.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present invention or surmount the scope that appended claims defines.
Although more employ the terms such as intermediate nut 1, connection-peg 2, card 3, collar 4, latch 5, stretch-draw step 6, stretch-draw step 6, depressed part 7, collar positioning chamber 8, collar limit chamber 9 herein, do not get rid of the possibility using other term.These terms are used to be only used to describe and explain essence of the present invention more easily; The restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Claims (6)
1. hale fastening structure for one kind, comprise intermediate nut (1) and be inserted into the connection-peg (2) in intermediate nut (1), described intermediate nut (1) end has the collar (4) be made up of several cards (3), when connection-peg (2) is inserted in intermediate nut (1), described collar (4) can block connection-peg (2) thus make connection-peg (2) and intermediate nut (1) snap-fit engagement, it is characterized in that, described card (3) inside has at least one latch (5), described connection-peg (2) has at least one stretch-draw step (6), described stretch-draw step (6) can with latch (5) snap-fit engagement thus forming station scalariform fastening structure.
2. according to claim 1ly hale fastening structure, it is characterized in that, described connection-peg (2) end has the depressed part (7) suitable with collar (4) matching form, and described stretch-draw step (6) is positioned on depressed part (7) outer wall.
3. according to claim 1 and 2ly hale fastening structure, it is characterized in that, ringwise, the latch (5) on described several cards (3) encloses and forms loop configuration described stretch-draw step (6).
4. according to claim 1 and 2ly hale fastening structure, it is characterized in that, the end of described intermediate nut (1) has the collar positioning chamber (8) placing collar (4), and described collar positioning chamber (8) end has can be blocked collar (4) when collar (4) slides to collar positioning chamber (8) end thus prevent collar (4) from skidding off the collar limit chamber (9) of collar positioning chamber (8).
5. according to claim 4ly hale fastening structure, it is characterized in that, the outer wall of described collar positioning chamber (8) is different with the gradient of the outer wall of collar limit chamber (9).
6. according to claim 5ly hale fastening structure, it is characterized in that, the angle between the outer wall of described collar positioning chamber (8) and the outer wall of collar limit chamber (9) is obtuse angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312543.1A CN105002886B (en) | 2015-06-09 | 2015-06-09 | Hale fastening structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510312543.1A CN105002886B (en) | 2015-06-09 | 2015-06-09 | Hale fastening structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105002886A true CN105002886A (en) | 2015-10-28 |
| CN105002886B CN105002886B (en) | 2017-12-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510312543.1A Active CN105002886B (en) | 2015-06-09 | 2015-06-09 | Hale fastening structure |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951824A (en) * | 2016-06-20 | 2016-09-21 | 袁雪峰 | Precast concrete uplift expanding pile |
| CN114411704A (en) * | 2022-02-28 | 2022-04-29 | 浙江大学建筑设计研究院有限公司 | Pin-connected panel precast concrete side's stake |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004197397A (en) * | 2002-12-18 | 2004-07-15 | Kubota Corp | Longitudinal joining device for columnar body |
| CN101979778A (en) * | 2010-10-07 | 2011-02-23 | 周兆弟 | Method for butting concrete prefabricated member consisting of prefabricated member connector |
| CN104358256A (en) * | 2014-10-14 | 2015-02-18 | 周兆弟 | Quick connection type connecting pile |
| CN204780862U (en) * | 2015-06-09 | 2015-11-18 | 周兆弟 | Hale lock joint structure |
-
2015
- 2015-06-09 CN CN201510312543.1A patent/CN105002886B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004197397A (en) * | 2002-12-18 | 2004-07-15 | Kubota Corp | Longitudinal joining device for columnar body |
| CN101979778A (en) * | 2010-10-07 | 2011-02-23 | 周兆弟 | Method for butting concrete prefabricated member consisting of prefabricated member connector |
| CN104358256A (en) * | 2014-10-14 | 2015-02-18 | 周兆弟 | Quick connection type connecting pile |
| CN204780862U (en) * | 2015-06-09 | 2015-11-18 | 周兆弟 | Hale lock joint structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105951824A (en) * | 2016-06-20 | 2016-09-21 | 袁雪峰 | Precast concrete uplift expanding pile |
| CN114411704A (en) * | 2022-02-28 | 2022-04-29 | 浙江大学建筑设计研究院有限公司 | Pin-connected panel precast concrete side's stake |
| CN114411704B (en) * | 2022-02-28 | 2023-11-28 | 浙江大学建筑设计研究院有限公司 | Assembled precast concrete square pile |
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| Publication number | Publication date |
|---|---|
| CN105002886B (en) | 2017-12-15 |
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