CN211395663U - Anti-pulling prestressed pipe pile connecting piece - Google Patents
Anti-pulling prestressed pipe pile connecting piece Download PDFInfo
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- CN211395663U CN211395663U CN201921611727.8U CN201921611727U CN211395663U CN 211395663 U CN211395663 U CN 211395663U CN 201921611727 U CN201921611727 U CN 201921611727U CN 211395663 U CN211395663 U CN 211395663U
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- prestressed pipe
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Abstract
The utility model provides an anti-pulling prestressed pipe pile connecting piece, including little nut, big nut, connecting piece, the jack body, elasticity fastener and sleeve, the connecting piece is passed through to the one end of the jack body and is installed in the bottom of little nut, the other end of the jack body is pegged graft mutually with the inner chamber of big nut and is cooperated, the spacing annular of ladder has been seted up in the inner chamber of big nut, the cover is equipped with the elasticity fastener on the jack body, and the elasticity fastener cooperatees with the spacing annular of ladder, prevents that the jack body from reversely extracting in the big nut, have the first step face that prevents the reverse extraction of elasticity fastener on the spacing annular of ladder, first step face leans on the cooperation with the counterbalance of elasticity fastener, the sleeve suit is between the jack body and elasticity fastener. After the inserted bar body inserted the big nut inner chamber, the resistance to plucking card of elasticity fastener circumference radially expands outward, can with the cooperation of supporting of the spacing annular of ladder in the big nut to prevent that the inserted bar body from reversely extracting in the big nut, reach the purpose that improves the tensile resistance to plucking of connecting piece.
Description
[ technical field ] A method for producing a semiconductor device
The utility model relates to a technical field of prestressing force connecting piece, especially an anti-pulling prestressing force tubular pile connecting piece.
[ background of the invention ]
In the use process of the tubular pile, the tubular piles with different lengths are selected according to different use requirements, so that the tubular piles are required to be connected with each other to form a long pile body. At present, steel plates are arranged at two ends of the existing tubular pile, and the tubular pile is connected with the tubular pile in a mutual welding mode. The pile body after connecting is pressed in underground when the stake, owing to contain salt especially chloride in soil, can form the corruption to the steel sheet that exposes in soil, leads to the junction fracture between tubular pile and the tubular pile to make the connection between tubular pile and the tubular pile form the disconnection, in addition, the welding through the steel sheet is connected the mode relatively complicated, connects inconveniently.
[ Utility model ] content
The utility model discloses an aim at solving the problem among the prior art, provide an anti-pulling prestressing force tubular pile connecting piece, it is firm to connect after the grafting connection, can improve the tensile nature of pulling out of connecting piece, guarantees the joint strength between the tubular pile.
In order to realize the above purpose, the utility model provides an anti-pulling prestressed pipe pile connecting piece, including little nut, big nut, connecting piece, the body of the jack, elasticity fastener and sleeve, the one end of the body of the jack is passed through the connecting piece and is installed in the bottom of little nut, the other end of the body of the jack is pegged graft the cooperation with the inner chamber of big nut mutually, the spacing annular of ladder has been seted up in the inner chamber of big nut, the cover is equipped with the elasticity fastener on the body of the jack, the elasticity fastener cooperatees with the spacing annular of ladder mutually, prevents that the body of the jack from reversely extracting in the big nut, the first step face that prevents the reverse extraction of elasticity fastener has on the spacing annular of ladder, and first step face leans on the cooperation with the counterbalance of elasticity fastener, the sleeve suit is between the body.
Preferably, the center department of little nut has first installation cavity, the one end of first installation cavity is equipped with the first internal thread installation department with connecting piece looks spiro union, the other end of first installation cavity is equipped with head rod socket, pass through the first toper face of radial contraction between first internal thread installation department and the head rod socket.
As preferred, the center department of big nut has the plug-in cavity, the one end in plug-in cavity is equipped with the second connecting rod and inserts the chamber, plug-in cavity and second connecting rod are inserted and are passed through radial shrinkage's second conical surface between the chamber, the other end in plug-in cavity has the screw thread chamber, the plug-in cavity is equipped with the spacing annular of ladder that has the toper outer wall, the spacing annular of ladder reduces along the direction of insertion radial diameter of the jack body gradually, and the big footpath end in the spacing annular of ladder has first step face, and the footpath end is the same with the internal diameter in plug-in cavity.
Preferably, the connecting piece comprises an upper connecting part, a hexagonal driving body and a lower connecting part which are sequentially arranged along the length direction of the connecting piece, the outer wall of the upper connecting part is provided with a first external thread which is in matched connection with the small nut, and the center of the lower connecting part is provided with a second internal thread mounting part which is in matched connection with the inserted rod body.
Preferably, the inserted bar body includes insertion portion and the screw rod portion that sets gradually along its length direction, screw rod portion and connecting piece looks spiro union, insertion portion is the cylinder, and the external diameter of insertion portion is greater than the external diameter of insertion portion, has the second step face between the two, the one end and the cooperation of leaning on of second step face counterbalance of elasticity fastener.
As preferred, the elasticity fastener includes installation department and resistance to plucking card, the center department of installation department has the mounting hole, the installation department leans on the cooperation with the counterbalance of second step face, the screw rod portion runs through the mounting hole, the circumference equipartition of installation department has the resistance to plucking card of a plurality of buckling, has the grooving between the adjacent resistance to plucking card, the sealing end of grooving is equipped with circular aqueduct of crossing, the tip and the counterbalance of first step face of resistance to plucking card lean on the cooperation.
Preferably, the sleeve is cylindrical, and the sleeve is fitted to the outside of the screw portion.
The utility model has the advantages that: the utility model discloses a structure of elasticity fastener is established to outside cover of the inserted bar body, and after the inserted bar body inserted the big nut inner chamber, the resistance to plucking card of elasticity fastener circumference recovered radially outward and expands, can with the cooperation of supporting of the spacing annular of ladder in the big nut to prevent that the inserted bar body from reversely extracting in the big nut, reach the purpose that improves the tensile resistance of connecting piece and extract, guarantee the joint strength between the tubular pile.
The features and advantages of the present invention will be described in detail by embodiments with reference to the accompanying drawings.
[ description of the drawings ]
Fig. 1 is a sectional view showing an installed state of the uplift prestressed pipe pile connecting piece of the present invention;
fig. 2 is a schematic structural view of the anti-pulling prestressed pipe pile connecting piece of the present invention in a state before installation;
fig. 3 is a cross-sectional view of the small nut of the anti-pulling prestressed pipe pile connecting piece of the utility model;
fig. 4 is a sectional view of the large nut of the anti-pulling prestressed pipe pile connecting piece of the utility model;
fig. 5 is a cross-sectional view of the connecting piece of the anti-pulling prestressed pipe pile connecting piece of the utility model;
fig. 6 is a cross-sectional view of the insertion rod body of the anti-pulling prestressed pipe pile connecting piece of the present invention;
fig. 7 is a sectional view of the elastic clamping piece of the anti-pulling prestressed pipe pile connecting piece of the utility model;
fig. 8 is a sectional view of the sleeve of the anti-pulling prestressed pipe pile connecting piece of the utility model.
[ detailed description ] embodiments
Referring to fig. 1 and 2 the utility model relates to an anti-pulling prestressed pipe pile connecting piece, including little nut 1, big nut 2, connecting piece 3, inserted bar body 4, elasticity fastener 5 and sleeve 6, connecting piece 3 is passed through to the one end of inserted bar body 4 and installs in the bottom of little nut 1, the other end of inserted bar body 4 and the cooperation of pegging graft mutually of the inner chamber of big nut 2, the spacing annular 22 of ladder has been seted up in the inner chamber of big nut 2, the cover is equipped with elasticity fastener 5 on the inserted bar body 4, elasticity fastener 5 cooperatees with the spacing annular 22 of ladder, prevents that the inserted bar body 4 from reversely extracting in big nut 2, have the first step face 220 that prevents the reverse extraction of elasticity fastener 5 on the spacing annular 22 of ladder, first step face 220 leans on the cooperation with elasticity fastener 5 counterbalance, sleeve 6 suit is between the inserted bar body 4 and elasticity fastener 5.
Referring to fig. 3, the center of small nut 1 is provided with a first installation cavity 10, one end of first installation cavity 10 is provided with a first internal thread installation part 13 screwed with a connecting piece 3, the other end of first installation cavity 10 is provided with a first connecting rod inserting cavity 11 used for being fixedly assembled with deformed steel bar, and transition is performed between first internal thread installation part 13 and first connecting rod inserting cavity 11 through a first conical surface 12 which radially contracts.
Referring to fig. 4, the center department of big nut 2 has the plug cavity 21, the one end in plug cavity 21 is equipped with and is used for assembling the second connecting rod of fixing with the screw-thread steel and inserts chamber 23, plug cavity 21 and second connecting rod are inserted and are passed through radial shrinkage's second toper face 231 between the chamber 23, the other end in plug cavity 21 has thread cavity 210, be equipped with the spacing annular groove of ladder 22 that has the toper outer wall in the plug cavity 21, the spacing annular groove of ladder 22 reduces along the direction of insertion radial diameter of the inserted bar body 4 gradually, and the big footpath end in the spacing annular groove of ladder 22 has first step face 220, and the footpath end is the same with the internal diameter in plug cavity 21.
Referring to fig. 5, the connecting member 3 includes an upper connecting portion 31, a hexagonal driving body 32, and a lower connecting portion 33 sequentially arranged along a length direction thereof, an outer wall of the upper connecting portion 31 has a first external thread 310 cooperatively connected with the small nut 1, and a center of the lower connecting portion 33 has a second internal thread mounting portion 330 cooperatively connected with the inserted link body 4.
Referring to fig. 6, the inserting rod body 4 includes an inserting portion 41 and a screw portion 42 which are sequentially arranged along the length direction thereof, the screw portion 42 is screwed with the connecting piece 3, the inserting portion 41 is a cylinder, the outer diameter of the inserting portion 41 is larger than that of the inserting portion 41, a second step surface 40 is arranged between the inserting portion 41 and the second step surface, and one end of the elastic clamping piece 5 is abutted against and matched with the second step surface 40.
Referring to fig. 7 and 8, the elastic clip 5 includes an installation portion 51 and an anti-pulling clip 52, a mounting hole 510 is provided at the center of the installation portion 51, the installation portion 51 is abutted against the second step surface 40, the screw portion 42 penetrates through the mounting hole 510, a plurality of bent anti-pulling clips 52 are uniformly distributed in the circumferential direction of the installation portion 51, a cutting groove 53 is provided between adjacent anti-pulling clips 52, a sealing end of the cutting groove 53 is provided with a circular transition groove, and the end portion of each anti-pulling clip 52 is abutted against the first step surface 220. The sleeve 6 is cylindrical, and the sleeve 6 is sleeved outside the screw portion 42.
The utility model discloses the working process:
the utility model relates to an anti-pulling prestressed pipe pile connecting piece, in the installation, at first with the screw-thread steel respectively with little nut 1, big nut 2 assemble fixed, then with elasticity fastener 5 and sleeve 6 cover in proper order locate the inserted bar body 4 on, install the inserted bar body 4 that is equipped with elasticity fastener 5 and sleeve 6 with the cover on connecting piece 3 again, install connecting piece 3 on little nut 1 at last can. The inserted rod body 4 with the elastic clamping piece 5 is inserted into the inner cavity of the large nut 2 along the direction F shown in fig. 2, in the process, the anti-pulling clamping piece 52 of the elastic clamping piece 5 contracts along the radial direction until the position reaches the stepped limiting ring groove 22, the elastic clamping piece 5 restores, the anti-pulling clamping piece 52 expands outwards along the radial direction, and the inserting installation is completed. When the connecting piece is pulled out in the direction opposite to the direction F, the anti-pulling clamping piece 52 is abutted and matched with the first step surface 220 to lock the inserting rod body 4, the inserting rod body 4 can be prevented from being reversely separated from the inner cavity of the large nut 2, the connection is firm after the inserting connection, and the connection strength between the tubular piles can be ensured.
The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.
Claims (7)
1. The utility model provides an anti-pulling prestressed pipe pile connecting piece which characterized in that: comprises a small nut (1), a large nut (2), a connecting piece (3), a jack body (4), an elastic clamping piece (5) and a sleeve (6), one end of the inserting rod body (4) is arranged at the bottom of the small nut (1) through a connecting piece (3), the other end of the inserting rod body (4) is inserted and matched with the inner cavity of the large nut (2), a stepped limiting ring groove (22) is arranged in the inner cavity of the large nut (2), the inserted link body (4) is sleeved with an elastic clamping piece (5), the elastic clamping piece (5) is matched with the stepped limiting ring groove (22) to prevent the inserted link body (4) from being reversely pulled out from the large nut (2), the step limiting ring groove (22) is provided with a first step surface (220) for preventing the elastic clamping piece (5) from being pulled out reversely, the first step surface (220) is abutted against and matched with the elastic clamping piece (5), the sleeve (6) is sleeved between the insertion rod body (4) and the elastic clamping piece (5).
2. The anti-pulling prestressed pipe pile connecting piece of claim 1, wherein: the center department of little nut (1) has first installation cavity (10), the one end of first installation cavity (10) is equipped with first internal thread installation department (13) with connecting piece (3) looks spiro union, the other end of first installation cavity (10) is equipped with head rod socket (11), pass through first conical surface (12) of radial shrink between first internal thread installation department (13) and head rod socket (11).
3. The anti-pulling prestressed pipe pile connecting piece of claim 1, wherein: the center department of big nut (2) has plug-in cavity (21), the one end in plug-in cavity (21) is equipped with the second connecting rod and inserts chamber (23), plug-in cavity (21) and second connecting rod are inserted second toper face (231) through radial shrinkage between chamber (23) and are passed through, the other end in plug-in cavity (21) has thread cavity (210), be equipped with the spacing annular of ladder (22) that have the toper outer wall in plug-in cavity (21), the spacing annular of ladder (22) reduces along the direction of insertion radial diameter of the body of bolt (4) gradually, and the big footpath end of the spacing annular of ladder (22) has first step face (220), and the path end is the same with the internal diameter in plug-in cavity (21).
4. The anti-pulling prestressed pipe pile connecting piece of claim 1, wherein: connecting piece (3) are including last connecting portion (31), hexagonal driving body (32) and lower connecting portion (33) that set gradually along its length direction, the outer wall of going up connecting portion (31) has first external screw thread (310) of being connected with little nut (1) cooperatees, the center department of lower connecting portion (33) has second internal thread installation department (330) of being connected with the jack body (4) cooperatees.
5. The anti-pulling prestressed pipe pile connecting piece of claim 1, wherein: the utility model discloses a bolt, including the bolt body, the bolt body (4) includes insert portion (41) and the screw rod portion (42) that set gradually along its length direction, screw rod portion (42) and connecting piece (3) looks spiro union, insert portion (41) are the cylinder, and the external diameter of insert portion (41) is greater than the external diameter of insert portion (41), has second step face (40) between the two, the one end and the cooperation is leaned on in second step face (40) counterbalance of elasticity fastener (5).
6. The anti-pulling prestressed pipe pile connecting piece of claim 5, wherein: elasticity fastener (5) are including installation department (51) and resistance to plucking card (52), the center department of installation department (51) has mounting hole (510), installation department (51) and second step face (40) counterbalance lean on the cooperation, screw rod portion (42) run through mounting hole (510), the circumference equipartition of installation department (51) has resistance to plucking card (52) that a plurality of buckled, has grooving (53) between adjacent resistance to plucking card (52), the sealing end of grooving (53) is equipped with circular transition groove of crossing, the tip and the first step face (220) counterbalance of resistance to plucking card (52) lean on the cooperation.
7. The anti-pulling prestressed pipe pile connecting piece of claim 6, wherein: the sleeve (6) is cylindrical, and the sleeve (6) is sleeved outside the screw rod part (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921611727.8U CN211395663U (en) | 2019-09-26 | 2019-09-26 | Anti-pulling prestressed pipe pile connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921611727.8U CN211395663U (en) | 2019-09-26 | 2019-09-26 | Anti-pulling prestressed pipe pile connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211395663U true CN211395663U (en) | 2020-09-01 |
Family
ID=72211934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921611727.8U Active CN211395663U (en) | 2019-09-26 | 2019-09-26 | Anti-pulling prestressed pipe pile connecting piece |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211395663U (en) |
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2019
- 2019-09-26 CN CN201921611727.8U patent/CN211395663U/en active Active
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