CN209975504U - Double-end connecting piece easy to assemble and quick connecting mechanism of precast pile - Google Patents
Double-end connecting piece easy to assemble and quick connecting mechanism of precast pile Download PDFInfo
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- CN209975504U CN209975504U CN201920439770.4U CN201920439770U CN209975504U CN 209975504 U CN209975504 U CN 209975504U CN 201920439770 U CN201920439770 U CN 201920439770U CN 209975504 U CN209975504 U CN 209975504U
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- retaining member
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Abstract
The utility model relates to an easily assembled double-end connector, including the inserted bar main part, the both ends of inserted bar main part have the insertion part, the junction of inserted bar main part and insertion part is equipped with the joint neck, and the insertion part is connected with this double-end connector's middle retaining member elastic buckle, middle retaining member includes the retaining member main part, and the one end of retaining member main part is equipped with the fixed flange, and the other end is equipped with a plurality of locking jack catchs, and the free end of a plurality of locking jack catchs is closed up and is formed the locking bayonet socket, and the inside of retaining member main part is equipped with the inserted hole, and the inserted hole communicates; the junction of insertion portion and joint neck is equipped with the spacing tensile boss of contradicting with the locking jack catch free end, and is spacing relatively with the locking jack catch, and tensile strength is high and stable. After the middle retaining member is connected with the connecting nut on the tubular pile terminal surface, the double-end connector clip can be quickly inserted into the middle retaining member to form clamping fixation, so that the upper pile and the lower pile are connected, the number of accessories required for installation is small, and the assembly is convenient and quick.
Description
Technical Field
The utility model belongs to the technical field of the building technology and specifically relates to a quick-connect mechanism of double-end connecting piece and precast pile of easy assembly.
Background
The in-process of precast pile using, the precast pile of different length is selected according to the user demand of difference, needs to come the pile body of the longer length of form through interconnect between precast pile and the precast pile, and the fastness of connecting when precast pile connects and the fastness of precast pile hookup location are all crucial, and current precast pile connected mode mainly includes following several kinds of modes:
1. in the patent of the applicant's prior application, "upper-screw lower-top pile-splicing buckle and prefabricated member (grant No.: CN 100348803C)", the pile comprises a tension nut, a top nut and a longitudinal steel bar of a tubular pile located at two ends of the tubular pile, wherein the tension nut and the top nut are in an internal thread structure, the internal thread is a tension screw buckle, a steel bar hole is formed in the center of the cap bottom, a steel bar heading clamping platform is arranged at the periphery of the steel bar hole, and two ends of the longitudinal steel bar of the tubular pile are headed into heading heads to be clamped on the clamping platform. The pile extension buckle of the prestressed pipe pile is composed of a tension nut, a top tension nut, a combined plug bush, a middle sleeve and a connecting rod, wherein the tension nut and the top tension nut are of internal thread structures, the internal thread is a strong tension screw buckle, a reinforcing steel bar hole is formed in the center of the bottom of the nut, a reinforcing steel bar heading clamping table is arranged on the periphery of the reinforcing steel bar hole, and two ends of longitudinal reinforcing steel bars of the pipe pile are upset into heading heads which are clamped on the clamping table; one end of the connecting rod is of a dentate structure, and the other end of the connecting rod is of an external thread structure; two or more combined plug bushes are positioned in the top pull screw cap, and the inner side of each combined plug bush is of a tooth-shaped structure and is matched with the tooth-shaped structure in the connecting rod; the middle sleeve is of an external thread structure, is screwed in the top pull screw cap and is positioned on the upper parts of the two or more combined plug bushes; during butt joint, one end of the connecting rod is screwed with the screw thread of the tension nut, and the other end of the connecting rod is clamped with two or more combined plug bushes in the top-pull nut;
2. in addition, the patent (publication number CN 105040690a) previously filed by the applicant discloses a plug for a snap-in type connector, the plug includes a cylindrical connecting end and a connecting end, the connecting end has an external thread, the connecting end includes a plurality of circumferentially arranged snap posts, the ends of the snap posts are expanded to form snap joints, a gap is formed between every two adjacent snap posts, a channel is formed at the center of the snap posts, a snap hole recessed toward the inside of the snap joint is formed at the joint of the snap joint and the snap posts and on the upper surface of the snap joint, the plug is used in cooperation with a connecting nut, a snap platform is provided on the connecting nut, a circular snap ring is provided on the lower surface of the snap platform, the size of the snap ring is matched with the snap hole, when the snap posts are inserted into the connecting nut, the position between the connecting nut and the connecting end is adjusted, the clamping ring can be inserted into the clamping hole, so that concave-convex clamping matching is formed, however, the clamping strength limit and the clamping stability of the structure are poor in the continuous research and development process of the applicant.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the defects existing in the prior art and providing a quick-connecting mechanism of a double-end connecting piece and a precast pile which are easy to assemble.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
the utility model provides a double-end connecting piece of easy assembly, includes the inserted bar main part, and the both ends of inserted bar main part have the portion of inserting, and are located the portion of inserting with joint neck between the inserted bar main part, the portion of inserting is connected with this double-end connecting piece's middle retaining member elastic buckle, the portion of inserting inserts middle retaining member, middle retaining member atress elasticity opens, is suitable for the portion of inserting passes the back, under the effect of elastic restoring force and with joint neck joint.
Further, the fixed middle retaining member of outside joint of joint neck, middle retaining member includes the retaining member main part, and the one end of retaining member main part is equipped with fixed flange, and the other end is equipped with a plurality of locking jack catchs, and the free end of a plurality of locking jack catchs is drawn together and is formed the locking bayonet socket, and the inside of retaining member main part is equipped with the inserted hole, inserted hole and locking bayonet socket intercommunication, the inserted part of inserted bar main part tip stretches into the inserted hole of retaining member main part and passes the locking bayonet socket.
Furthermore, the middle part of the inserted bar main body is provided with a blocking clamping table which is integrally formed with the inserted bar main body.
Furthermore, the junction of insertion part and joint neck is equipped with the spacing tensile boss of contradicting with locking jack catch free end.
Furthermore, the surface of the limiting tensile boss is provided with an annular limiting groove, and the free end of the locking claw is matched with the annular limiting groove; the outer side of the annular limiting groove is provided with an annular limiting bulge, and the annular limiting bulge is positioned on the outer side of the free end of the locking clamping jaw.
Further, the inserting portion is provided with an arc-shaped end face, and the size of the arc-shaped end face is larger than the caliber of the locking bayonet.
Further, the outer circumferential surface of the locker body is threaded.
Furthermore, a gap is formed between two adjacent locking clamping claws on the locking piece main body.
Further, the diameter of joint neck is less than the diameter of inserted bar main part, and the medial surface of locking jack catch free end is equipped with the tensile strong point, the transition position of joint neck and spacing tensile boss with tensile strong point in close contact with.
Further, inserted bar main part, joint neck, inserted part and keep out card platform integrated into one piece.
The utility model provides a mechanism that connects soon of precast pile, includes pre-buried coupling nut on the precast pile terminal surface and the aforesaid double-end connecting piece, wherein, coupling nut with the double-end connecting piece passes through retaining member in the middle of the double-end connecting piece and connects.
The utility model has the advantages that: the joint of the inserted bar main body and the insertion part of the double-end connecting piece is provided with a clamping neck, the outer side of the clamping neck is fixedly clamped with an intermediate locking piece, the intermediate locking piece comprises a locking piece main body, one side of the locking piece main body is provided with a fixing flange, the other side of the locking piece main body is provided with a plurality of locking claws, the free ends of the locking claws are collected to form a locking bayonet, the middle part of the locking piece main body is provided with an insertion hole, the insertion hole is communicated with the locking bayonet, when two tubular piles are spliced, the intermediate locking piece is screwed into a connecting nut, then the inserted bar main body is inserted into the intermediate locking piece at the lower end face of an upper pile or the intermediate locking piece at the upper end face of a lower pile, then the upper pile is hoisted by a hoisting device, after the intermediate locking pieces of the upper pile and the lower pile are axially aligned, the upper pile is pressed downwards, the insertion part at, relative tension can be generated between the locking clamping jaw at the end part of the fixed middle locking part and the limiting tensile boss on the inserted bar main body, and the limiting tensile boss limits the locking clamping jaw, so that the firmness of connection between two tubular piles is ensured; the double-end connecting piece is an elastic clamping type connecting piece, the number of parts is small, clamping is convenient, and time and labor are saved.
In addition, the surface of the limiting tensile boss is provided with an annular limiting groove, and the free end of the locking claw is matched with the annular limiting groove; the outer side of the annular limiting groove is provided with an annular limiting bulge, the annular limiting bulge is positioned on the outer side of the free end of the locking clamping jaw, the annular limiting bulge plays a role in radial limiting on the locking clamping jaw, when the splicing part of two tubular piles suddenly receives larger extrusion force or tensile force, the locking clamping jaw is bound to receive stronger impact force, when the locking clamping jaw is elastically deformed, the annular limiting bulge plays a role in radial limiting on the locking clamping jaw, the locking clamping jaw is prevented from expanding from the outer edge of the limiting tensile boss, and the stability of clamping of the limiting tensile boss and the locking clamping jaw is ensured;
the middle part of the inserted link main body is provided with a resisting clamping table which is integrally formed with the inserted link main body, and the resisting clamping table can prevent the problem that the inserted link main body is inserted into a lower pile too much to cause the effective clamping of the upper pile when the upper pile and the lower pile are spliced;
and, the medial surface of locking jack catch free end is equipped with the tensile strong point, and the contact position of joint neck and spacing tensile boss and tensile strong point in close contact with, the tensile strong point has further improved the tensile strength of locking jack catch.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the insertion rod body of the present invention;
FIG. 3 is a schematic structural view of the main body of the inserted link with the annular limiting protrusion of the present invention;
FIG. 4 is a schematic view of the structure of the intermediate locking member of the present invention;
FIG. 5 is a schematic top view of an intermediate locking member with four locking jaws;
FIG. 6 is a schematic top view of an intermediate locking member with six locking jaws;
FIG. 7 is a schematic view of the installation of the double-end connecting piece at the splicing position of the pipe piles;
FIG. 8 is an enlargement of area A of FIG. 3;
fig. 9 is an enlarged view of region B in fig. 7.
Detailed Description
As shown in fig. 1, 2 and 4, an easily assembled double-end connector comprises a plug rod main body 1, wherein two ends of the plug rod main body 1 are provided with insertion parts 2, a clamping neck part 3 is arranged at the joint of the plug rod main body 1 and the insertion parts 2, the outer side of the clamping neck part 3 is used for clamping and fixing a middle locking part 4, the middle locking part 4 comprises a locking part main body 5, one end of the locking part main body 5 is provided with a fixing flange 6, the other end of the locking part main body is provided with a plurality of locking claws 7, the free ends of the locking claws 7 are folded to form a locking bayonet 8, the locking part main body 5 is internally provided with an insertion hole 9, the insertion hole 9 is communicated with the locking bayonet 8, the insertion part 2 at the end part of the plug rod main body 1 extends into the insertion hole 9 of the locking part main body 5 and is inserted into the locking bayonet 8, the locking claws 7 can be, the locking claws 7 automatically reset and form clamping connection with the clamping neck 3.
As shown in fig. 5 and 6, the number of the locking claws 7 on the intermediate locking member 4 can be plural, and a gap is provided between two adjacent locking claws 7 on the locking member main body 5, so that the plural locking claws 7 can be conveniently expanded outwards and automatically restored and collected, and in this embodiment, the specific number of the locking claws 7 is four or six.
Further, a blocking and clamping table 10 which is integrally formed with the inserting rod main body 1 is arranged in the middle of the inserting rod main body 1; the joint of the insertion part 2 and the clamping neck part 3 is provided with a limiting tensile boss 11 which is contacted with the free end of the locking clamping jaw 7, the surface of the limiting tensile boss 11 is provided with an annular limiting groove 12, and the shape of the free end of the locking clamping jaw 7 is matched with the annular limiting groove 12.
As shown in fig. 3 and 8, an annular limiting protrusion 13 is disposed on the outer side of the annular limiting groove 12, and after the middle locking member 4 and the clamping neck 3 form a clamping connection, the annular limiting protrusion 13 is located on the outer side of the free end of the locking claw 7.
Further, the insertion part 2 is provided with an arc-shaped end face, and the size of the arc-shaped end face is larger than the caliber of the locking bayonet 8.
Wherein, the inserted bar main body 1, the clamping neck 3, the inserting part 2 and the resisting clamping table 10 are integrally formed. The diameter of joint neck 3 is less than the diameter of inserted bar main part 1, and the medial surface of locking jack catch 7 free end is equipped with tensile strong point 14, and after the joint was accomplished, tensile strong point 14 butt was in the transition position department of joint neck 3 and spacing tensile boss 11.
The utility model discloses in, the outer peripheral face of retaining member main part 5 has the screw thread, and middle retaining member 4 is connected with lock nut 16 on precast pile or the tubular pile through the screw thread on retaining member main part 5.
In addition, as shown in fig. 7 and 9, the precast pile quick-connection mechanism using the double-headed connecting member includes a connecting nut 16 pre-embedded on the end surface of the precast pile, and the connecting nut 16 is in threaded connection with the intermediate locking member 4 on the double-headed connecting member.
As shown in fig. 7, when splicing two precast piles, the intermediate locking member 4 is screwed into the connecting nut 16, then the inserted bar main body 1 is inserted into the intermediate locking member 4 on the lower end face of the upper pile 15 or the intermediate locking member 4 on the upper end face of the lower pile 17, the upper pile 15 is lifted by a lifting device, after the intermediate locking members 4 of the upper and lower piles are axially aligned, the upper pile 15 is pressed downwards, and the insertion part 2 at the other end of the inserted bar main body is inserted into the corresponding intermediate locking member 4, so that pile splicing is completed. In practice, before inserting the rod body 1, epoxy resin is usually poured into the intermediate locking member 4 or the end of the connector is dipped with epoxy resin and then inserted in order to seal the connector.
In addition, when two precast pile concatenation departments receive great pulling force suddenly, locking jaw 7 must receive stronger impact force, annular spacing groove and annular spacing arch 13 on the boss 11 of spacing tensile play radial spacing effect to locking jaw 7, locking jaw 7 is when taking place elastic deformation and slide to the outside, annular spacing arch 13 exerts the power in the opposite direction to locking jaw 7, prevent locking jaw 7 slippage from spacing tensile boss 11, the stability of inserted bar main part 1 with middle retaining member 4 block has been guaranteed.
Moreover, the middle part of the inserted bar main body 1 is provided with a blocking table 10 integrally formed with the inserted bar main body 1, and the blocking table 10 can prevent the problem that the inserted bar main body 1 is inserted into the lower pile 17 too much to cause the effective clamping of the upper pile 15 when the upper pile and the lower pile are spliced.
The medial surface of 7 free ends of locking jack catch is equipped with tensile strong point 14, after the joint is accomplished, 14 butt of tensile strong point are in joint neck 3 and spacing tensile boss 11's transition position department, at this moment, 7 free ends of locking jack catch and spacing tensile boss 11's area of contact have been increased, 7 free ends of locking jack catch and spacing tensile boss 11's support stability has effectively been guaranteed, when the effect of strong pulling force is received to inserted bar main part 1, the tensile strong point 14 of locking jack catch 7 free ends and the transition position department of spacing tensile boss 11 form stable bearing diagonal, guaranteed tensile strong point 14 and spacing tensile boss 11 effective contact all the time, locking jack catch 7's tensile strength has further been improved.
In conclusion, this double-end connecting piece adopts both ends to all set up grafting portion 2 to come fixed connection through the mode that middle retaining member 4 is connected with coupling nut 16 to go up stake 15 and lower stake 17, it is spacing relatively through locking jaw 7 and spacing tensile boss 11 between middle retaining member 4 and the inserted bar main part 1, tensile strength is high and stable, and the required accessory of installation is few, convenient assembling.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a double-end connecting piece of easy assembly, includes the inserted bar main part, and the both ends of inserted bar main part have the portion of inserting, and are located the portion of inserting with joint neck between the inserted bar main part, the portion of inserting is connected with this double-end connecting piece's middle retaining member elastic buckle, the portion of inserting inserts middle retaining member, middle retaining member atress elasticity opens, is suitable for the portion of inserting passes the back, under the effect of elastic restoring force and with joint neck joint.
2. The double-end connecting piece easy to assemble according to claim 1, wherein the outer side of the clamping neck is clamped and fixed with an intermediate locking piece, the intermediate locking piece comprises a locking piece main body, one end of the locking piece main body is provided with a fixing flange, the other end of the locking piece main body is provided with a plurality of locking claws, free ends of the locking claws are gathered to form a locking bayonet, an insertion hole is formed in the locking piece main body and communicated with the locking bayonet, and an insertion part at the end part of the inserting rod main body extends into the insertion hole of the locking piece main body and penetrates through the locking bayonet.
3. The double-ended connecting piece easy to assemble according to claim 2, wherein the middle part of the insert rod main body is provided with a blocking and clamping platform integrally formed with the insert rod main body.
4. The double-end connecting piece easy to assemble according to claim 2 or 3, wherein a limiting tensile boss abutting against the free end of the locking claw is arranged at the joint of the insertion part and the clamping neck.
5. The easily assembled double-end connecting piece according to claim 4, wherein the surface of the limiting tensile boss is provided with an annular limiting groove, and the free end of the locking claw is matched with the annular limiting groove; the outer side of the annular limiting groove is provided with an annular limiting bulge, and the annular limiting bulge is positioned on the outer side of the free end of the locking clamping jaw.
6. An easily assembled double-ended connector according to claim 2, wherein said insertion portion has an arcuate end surface having a size larger than the caliber of said locking bayonet.
7. An easily assembled double-ended connecting member according to claim 2, wherein said locking member main body is threaded on its outer peripheral surface.
8. An easily assembled double-ended connecting member according to claim 2, wherein the locking member body has a gap between two adjacent locking claws.
9. The double-end connecting piece easy to assemble according to claim 4, wherein the diameter of the clamping neck is smaller than that of the inserted bar main body, the inner side face of the free end of the locking clamping jaw is provided with a tensile supporting point, and the transition positions of the clamping neck and the limiting tensile boss are in close contact with the tensile supporting point.
10. The quick connecting mechanism of the precast pile is characterized by comprising a connecting nut embedded on the end face of the precast pile and the double-end connecting piece according to claims 1-9, wherein the connecting nut is connected with the double-end connecting piece through a locking piece in the middle of the double-end connecting piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920439770.4U CN209975504U (en) | 2019-04-02 | 2019-04-02 | Double-end connecting piece easy to assemble and quick connecting mechanism of precast pile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920439770.4U CN209975504U (en) | 2019-04-02 | 2019-04-02 | Double-end connecting piece easy to assemble and quick connecting mechanism of precast pile |
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| Publication Number | Publication Date |
|---|---|
| CN209975504U true CN209975504U (en) | 2020-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920439770.4U Active CN209975504U (en) | 2019-04-02 | 2019-04-02 | Double-end connecting piece easy to assemble and quick connecting mechanism of precast pile |
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| CN (1) | CN209975504U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114197450A (en) * | 2021-12-01 | 2022-03-18 | 江苏东浦联和建材科技有限公司 | Building element connection structure and precast pile |
| CN114813143A (en) * | 2022-05-09 | 2022-07-29 | 中国航发沈阳发动机研究所 | Inner cone with front and rear sections |
-
2019
- 2019-04-02 CN CN201920439770.4U patent/CN209975504U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114197450A (en) * | 2021-12-01 | 2022-03-18 | 江苏东浦联和建材科技有限公司 | Building element connection structure and precast pile |
| CN114813143A (en) * | 2022-05-09 | 2022-07-29 | 中国航发沈阳发动机研究所 | Inner cone with front and rear sections |
| CN114813143B (en) * | 2022-05-09 | 2023-08-04 | 中国航发沈阳发动机研究所 | Front-back segmented inner cone |
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