CN211735361U - Quick butt joint subassembly and quick butt joint mechanism - Google Patents

Abstract

The utility model provides a quick butt joint component and a quick butt joint mechanism, wherein the quick butt joint component comprises an inserting table, a base and a buckle, the inserting table comprises a fixed part and an inserting part which are oppositely arranged, and a first groove is arranged on the inserting part; the base comprises a first end face and a second end face which are oppositely arranged; the ring buckle is provided with an opening and can be elastically contracted, and the ring buckle is sleeved on the inserting table and accommodated in the first groove; the ring buckle can be inserted into the base along the insertion direction together with the insertion part of the insertion platform, and the ring buckle can abut against the second end face of the base through elastic expansion and limit the reverse movement of the insertion platform along the insertion direction; the first boss is used for positioning the inserting table and abuts against the first end face of the base. The utility model provides an insert the bench and be equipped with first boss in the quick butt joint subassembly, can the butt insert the degree of depth that the platform stretched into the base in order to confirm at the first terminal surface of base, can enough shorten the engineering time of quick butt joint subassembly, can improve the reliability of quick butt joint subassembly again.

Description

Quick butt joint subassembly and quick butt joint mechanism

Technical Field

The utility model relates to a building technical field especially relates to a quick butt joint subassembly and quick docking mechanism.

Background

In the technical field of buildings, in order to facilitate production and processing and reduce construction time, the length of a precast pile is ensured by adopting a mode of splicing reinforced concrete precast piles. In order to quickly and firmly join two prefabricated reinforced concrete piles, a plug-in type quick butt joint component is generally adopted to connect reinforcing steel bars inside the two prefabricated reinforced concrete piles. However, in the process of inserting the inserting table into the base, the length of the inserting table extending into the base cannot be accurately controlled, so that the existing quick docking assembly and the existing quick docking mechanism need to be improved.

SUMMERY OF THE UTILITY MODEL

Accordingly, there is a need for an improved quick docking assembly and a quick docking mechanism.

The utility model provides a rapid butt joint assembly, which comprises an inserting table, a base and a ring buckle, wherein the inserting table comprises a fixing part and an inserting part which are oppositely arranged, and a first groove is arranged on the inserting part; the base comprises a first end face and a second end face which are oppositely arranged; the ring buckle is provided with an opening and can be elastically contracted, and the ring buckle is sleeved on the inserting table and accommodated in the first groove; the ring buckle can be inserted into the base along the insertion direction together with the insertion part of the insertion platform, and can abut against the second end face of the base through elastic expansion and limit the insertion platform to move reversely along the insertion direction; the first boss is used for positioning the inserting table and abuts against the first end face of the base.

Because the quick butt joint subassembly is mostly the butt joint together of several when using to need the pressure more than tonnage during the butt joint, can both install a plurality of quick butt joint subassemblies in place just hardly at the job site. The utility model provides an insert in the quick butt joint subassembly and be equipped with first boss, can the butt insert the degree of depth that the platform stretched into the base in order to confirm at the first terminal surface of base to first boss exposes outside, and whether the workman can observe and judge this quick butt joint subassembly at once and dock successfully, can enough shorten the engineering time of quick butt joint subassembly, can improve the reliability of quick butt joint subassembly again.

After the inserting part of the inserting platform is inserted into the base, the ring buckle can pop out of the first groove through the elastic expansion part and abut against the second end face of the base, an abutting face between the ring buckle and the second end face is approximate to an annular shape, abutting area is large, joint strength between the first embedded element and the second embedded element can be guaranteed, and particularly tensile property is greatly improved. Furthermore, the utility model provides a quick butt joint subassembly processing simple process, low cost is suitable for the scene extensively.

In an embodiment of the present invention, the first boss is annular.

So set up, can enough play the positioning action, can undertake partial pressure again, reduce the pressure that the base bore, the life of extension quick butt joint subassembly. Especially, the annular structure can disperse pressure and has good stress stability.

In an embodiment of the present invention, the first bosses are plural, and the plural first bosses are distributed on the insert table.

So set up, can enough play the effect of location, can undertake partial pressure again, reduce the pressure that the base bore, the life of extension quick butt joint subassembly. The arrangement of the plurality of first bosses can save materials and prevent the first bosses from obstructing butt joint between the inserting table and the base.

In an embodiment of the present invention, the first boss is in surface contact with the first end surface at the abutting position.

So set up, the area of force between face contact can make first boss and the first terminal surface is great to guarantee to insert the cooperation stability between platform and the base.

In an embodiment of the present invention, the height of the first boss in the axial direction is 0.1mm to 10 mm.

So set up, this height both can not influence the butt joint between inserting platform and the base, can reach better positioning effect again, can also bear certain pressure in order to reduce the ascending pressure in the axial that the base bore.

In an embodiment of the present invention, an end of the insertion portion of the insertion stage, which is away from the fixing portion, has a guiding surface for guiding the insertion portion of the insertion stage to be inserted into the base.

So set up, when a plurality of quick butt joint subassemblies dock together, grafting portion has the guide part and can slide to the base in smoothly, shortens the required time of butt joint, guarantees the butt joint rate.

In an embodiment of the present invention, the guide surface is an arc or a plane with a circular chamfer. So set up for grafting portion is more smooth when stretching into the base, and the success rate of butt joint is higher when especially a plurality of butt joint subassemblies are together butt joint, can shorten the engineering time of butt joint, improves butt joint efficiency.

In an embodiment of the present invention, the surface contact is between the ring buckle and the second end surface.

So set up, the loop is detained and is had a large force area when butt with the second terminal surface, and stability is good.

A quick butt joint mechanism comprises a first embedded element, a second embedded element and the quick butt joint assembly; the fixing part of the inserting table is connected with the first embedded element, the base is connected with the second embedded element, and the first embedded element is connected with the second embedded element through the quick butt joint assembly.

The quick butt joint mechanism can quickly connect the first embedded element and the second embedded element, construction time is saved, the firmness of the connected first embedded element and the second embedded element is high, and particularly the tensile property is good.

The utility model discloses an embodiment, first pre-buried component reaches second pre-buried component one end all has the shrink mouth for be connected with the reinforcing bar, the reinforcing bar with first pre-buried component or the one end that the pre-buried component of second is connected has the upset, the shrink mouth be used for right the upset of reinforcing bar is spacing.

So set up, it is simple and convenient to be connected between first embedded component or the second embedded component and the reinforcing bar, and the engineering time is short, and the fastness to connection is high.

In an embodiment of the present invention, the first pre-embedded element and the second pre-embedded element both have an internal thread for connecting with a steel bar.

So set up, be provided with the adhesive force that the screw thread can increase between reinforcing bar and the concrete on the reinforcing bar for combine closely between reinforcing bar and the concrete, the two can coordinate the cooperation, bear external force jointly, increase the stress strength of precast pile.

Drawings

Fig. 1 is a schematic structural diagram of a quick docking assembly according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the docking station shown in FIG. 1;

FIG. 3 is a schematic structural diagram of a docking station according to another embodiment;

FIG. 4 is a schematic structural view of the base shown in FIG. 1;

FIG. 5 is a schematic view of the buckle shown in FIG. 1;

FIG. 6 is a cross-sectional view of the clasp of FIG. 5;

fig. 7 is a schematic structural view of a quick docking mechanism according to an embodiment of the present invention;

figure 8 is a cross-sectional view of the first fastener insert of figure 7;

figure 9 is a cross-sectional view of the second fastener insert shown in figure 7;

fig. 10 is a cross-sectional view of a precast pile according to an embodiment of the present invention;

100. a quick docking assembly; 10. inserting a platform; 20. a base; 30. looping; 11. a fixed part; 12. a plug-in part; 13. a first groove; 15. a first boss; 16. a guide surface; 21. a first end face; 22. a second end face; 31. an opening; 200. a quick docking mechanism; 210. a first pre-buried element; 220. a second pre-embedded element; 300. prefabricating a pile; 310. reinforcing steel bars; 311. heading; 320. and (3) concrete.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. As used herein, the term "or/and" includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1 to 6, fig. 1 is a schematic structural diagram of a quick docking assembly 100 according to an embodiment of the present invention; FIG. 2 is a schematic structural diagram of the docking station 10 shown in FIG. 1; FIG. 3 is a schematic structural diagram of another embodiment of the docking station 10; FIG. 4 is a schematic structural view of the base 20 shown in FIG. 1; FIG. 5 is a schematic view of the buckle 30 shown in FIG. 1; fig. 6 is a cross-sectional view of the buckle 30 shown in fig. 5.

The utility model provides a quick butt joint subassembly 100, it is used for connecting two engineering parts. In this embodiment, the quick docking assembly 100 is used to connect the reinforcing bars 310 in the concrete precast pile 300. It is understood that in other embodiments, the quick docking assembly 100 may be used in other engineering fields, such as fabricated buildings, etc., and may also be used to connect the reinforcing bars 310 in other applications, such as pouring concrete, etc.

A fast docking assembly 100 comprises a docking station 10, a base 20 and a buckle 30, wherein the base 20 is the base 20, the docking station 10 comprises a fixing part 11 and a docking part 12 which are oppositely arranged, and the docking part 12 is provided with a first groove 13; the base 20 comprises a first end face 21 and a second end face 22 which are oppositely arranged; the ring buckle 30 is provided with an opening 31 and can be elastically contracted, and the ring buckle 30 is sleeved on the inserting table 10 and is contained in the first groove 13; the ring 30 can be inserted into the base 20 along the insertion direction together with the insertion part 12 of the socket 10, and the ring 30 can be elastically expanded to abut against the second end surface 22 of the base 20 and limit the reverse movement of the socket 10 along the insertion direction α.

The socket 10 is a cylindrical component, the fixing portion 11 is used for fixing with an external component, and the inserting portion 12 is used for inserting into the buckle 30. To facilitate plugging, the platform 10 is preferably generally cylindrical; in other embodiments, the platform 10 may have other shapes such as a square column and a tapered column. In order to increase the bearing capacity of the quick docking assembly 100, the platform 10 is made of a solid material. It is understood that in other embodiments, the platform 10 may be made of hollow material according to different bearing requirements.

The base 20 is hollow and cylindrical and mates with the docking station 10 in the quick docking assembly 100. Preferably, the base 20 is hollow cylindrical. It is understood that in other embodiments, the base 20 may be configured with the socket 10 in other shapes such as a square cylinder, a cone cylinder, etc.

The clasp 30 is an annular structure having an opening 31. Preferably, the ring buckle 30 is a circular circlip; in other embodiments, the clasp 30 can be of other resilient configurations, as well as other shapes.

In the present embodiment, the socket 10, the base 20, and the grommet 30 are of a stainless steel structure. In other embodiments, the material may be made of other materials.

The insertion direction α in the present invention is a direction in which the fixing portion 11 is directed to the mating portion 12, i.e., a direction of an arrow shown in fig. 1. It is understood that the insertion direction α can be, but is not limited to, the above-mentioned directions, and even partial angular offsets should be included in the scope of the present invention.

The use process of the quick docking assembly 100 is as follows: since the ring buckle 30 has the opening 31, the ring buckle 30 can be elastically contracted and accommodated in the first groove 13. At this time, the ring buckle 30 extends into the base 20 together with the insertion part 12, and the ring buckle 30 is always accommodated in the first groove 13 in the insertion process because the inner wall of the base 20 gives pressure to the ring buckle 30 towards the axial direction; after the ring buckle 30 passes through the base 20 along with the insertion portion 12, the ring buckle 30 expands at its own elasticity to partially pop out the first groove 13, and the popped part abuts against the second end surface 22 of the base 20, so that the ring buckle 30 is clamped between the insert table 10 and the base 20, thereby completing the connection between the first embedded element 210 and the second embedded element 220.

The utility model provides a quick butt joint subassembly 100 installation is simple, and the grafting portion 12 of platform 10 inserts base 20 back, and buckle 30 can pop out first recess 13 and support and hold on the second terminal surface 22 of base 20 through elasticity extension part, and the butt face between buckle 30 and the second terminal surface 22 is similar to the annular, and the butt area is big, can guarantee the joint strength between first embedded component 210 and the embedded component 220 of second, especially has great promotion to tensile strength. Furthermore, the utility model provides a quick butt joint subassembly 100 processing technology is simple, low cost, and it is extensive to be suitable for the scene.

In order to quickly and firmly join two prefabricated reinforced concrete piles, a plug-in type quick butt joint component is generally adopted to connect reinforcing steel bars inside the two prefabricated reinforced concrete piles. However, in the process of inserting the inserting table into the base, the length of the inserting table extending into the base cannot be accurately controlled, so that the existing quick docking assembly and the existing quick docking mechanism need to be improved.

The utility model provides a first boss 15 is arranged on the inserting table 10 in the rapid butt joint component 100, and the distance between the first boss 15 and the first groove 13 is more than or equal to the height of the base 20 in the axial direction; the first boss 15 is used to position the stage 10, and the first boss 15 abuts against the first end surface 21 of the base 20.

Since most of the quick docking assemblies 100 are docked together when in use and require a pressure of tonnage or more, it is difficult to properly install a plurality of quick docking assemblies 100 in place on a construction site. The utility model provides an insert and be equipped with first boss 15 on the platform 10, can butt in the first terminal surface 21 of base 20 in order to confirm to insert the platform 10 and stretch into the degree of depth of base 20, and first boss 15 exposes outside, and the workman can observe immediately and judge whether butt joint of this quick butt joint subassembly 100 is successful, can shorten the engineering time of quick butt joint subassembly 100; moreover, after the rapid docking assembly 100 is docked, the base 20 is clamped between the ring buckle 30 and the first boss 15, the ring buckle 30 can improve the tensile property of the rapid docking assembly 100, and the first boss 15 can improve the compressive property of the rapid docking assembly 100, so as to improve the reliability of the rapid docking assembly 100.

In one embodiment of the present invention, the first boss 15 is annular.

By the arrangement, the positioning function can be achieved, partial pressure can be borne, the pressure borne by the base 20 is reduced, and the service life of the quick docking assembly 100 is prolonged. Especially, the annular structure can disperse pressure and has good stress stability.

In one embodiment, the base 20 is connected with the second embedded component through a screw thread, and after the first boss 15 shares the pressure borne by the base 20, the problems of wire sliding and the like between the base 20 and the second embedded component can be effectively prevented.

It is understood that the base 20 and the second fastener insert may be connected by welding, riveting, or other methods.

In an embodiment of the present invention, the first bosses 15 are plural, and the plural first bosses 15 are distributed on the platform 10.

By the arrangement, the positioning function can be achieved, partial pressure can be borne, the pressure borne by the base 20 is reduced, and the service life of the quick docking assembly 100 is prolonged. Providing a plurality of first bosses 15 can save material and can prevent the first bosses 15 from obstructing the interface between the dock 10 and the base 20.

In an embodiment of the present invention, the abutting portion of the first boss 15 and the first end surface 21 is surface contact. With such an arrangement, the surface contact can make the stressed area between the first boss 15 and the first end face 21 larger, so as to ensure the stability of the matching between the platform 10 and the base 20.

In an embodiment of the present invention, the height of the first boss 15 in the axial direction is 0.1mm to 10 mm. With such a configuration, the height does not affect the butt joint between the platform 10 and the base 20, and a good positioning effect can be achieved, and a certain pressure can be borne to reduce the axial pressure (the α direction shown in fig. 1) borne by the base 20.

In an embodiment of the present invention, an end of the insertion part 12 of the platform 10 away from the fixing part 11 has a guiding surface 16, and the guiding surface 16 is used for guiding the insertion part 12 of the platform 10 to be inserted into the base 20.

With such an arrangement, when a plurality of quick docking assemblies 100 are docked together, the docking portion 12 having the guide portion can smoothly slide into the base 20, thereby shortening the time required for docking and ensuring the docking rate.

In one embodiment of the present invention, the guiding surface 16 is an arc or a plane with a rounded chamfer, as shown in fig. 2 and 3.

By the arrangement, the inserting part 12 can extend into the base 20 more smoothly, particularly, the success rate of butt joint is higher when a plurality of butt joint assemblies are butted together, the construction time of butt joint can be shortened, and the butt joint efficiency is improved. Especially, the round-head inserting table shown in fig. 3 can reduce the obstruction in the butt joint process, shorten the construction time and improve the success rate of the butt joint when a plurality of quick butt joint assemblies 100 are in butt joint simultaneously in the construction process.

It will be appreciated that the guide surface 16 may be other forms such as a chamfered corner, so long as the outer peripheral wall of the guide surface 16 is smaller than the rest of the receptacle 10 to achieve the purpose of guiding. The guide surface 16 may be formed by secondary processing or may be formed integrally with the socket 10.

In one embodiment of the present invention, the surface contact is between the ring 30 and the second end surface 22.

With such an arrangement, the ring buckle 30 has a large force-bearing area when abutting against the second end face 22, and good stability.

Referring to fig. 7 to 9, fig. 7 is a schematic structural diagram of a quick docking mechanism 200 according to an embodiment of the present invention; figure 8 is a cross-sectional view of the first fastener insert 210 shown in figure 7; figure 9 is a cross-sectional view of the second fastener insert 220 of figure 7.

A fast docking mechanism 200 comprises a first pre-embedded element 210, a second pre-embedded element 220 and the fast docking assembly 100; the fixing portion 11 of the inserting table 10 is connected to the first embedded element 210, the base 20 is connected to the second embedded element 220, and the first embedded element 210 and the second embedded element 220 are connected through the quick-connection assembly 100.

The quick butt joint mechanism 200 can quickly connect the first embedded element 210 and the second embedded element 220, so that the construction time is saved, and the connected first embedded element 210 and the connected second embedded element 220 are high in firmness and particularly good in tensile property.

The use process of the quick docking mechanism 200 is as follows: the first embedded element 210 is installed at the end of the steel bar 310 in the first precast pile 300 by shrinkage or screw connection in a factory or a construction site, and the second embedded element 220 is installed at the end of the steel bar 310 in the second precast pile 300 by shrinkage or screw connection. Installing the inserting table 10 on the first embedded element 210, installing the ring buckle 30 in the first groove 13 of the inserting table 10, and installing the base 20 on the second embedded element 220 in a construction site; burying the second precast pile 300 underground, and keeping the second pre-buried element 220 above the horizontal plane (generally, the height of the part of the second precast pile above the horizontal plane is about 1 m); the first precast pile 300 is spliced with the second precast pile 300 through a crane or other modes, the first embedded element 210 is aligned with the second embedded element 220 during splicing, pressure is applied to the first embedded element 210, so that the inserting platform 10 is inserted into the base 20 (the butt joint process of the quick butt joint assembly 100 can be completed only by the weight of the first precast pile on part of a construction site without applying external force), when the ring buckle 30 supports the second end face 22 of the base 20 through elastic expansion, a sound is emitted, and the installation completion can be judged. It will be appreciated that, because there are typically multiple rebars 310 in the precast pile 300, it is necessary to simultaneously dock the quick docking mechanisms 200 on multiple rebars 310.

In one embodiment, the insert station 10 is connected to the first fastener element 210 and/or the base 20 is connected to the second fastener element 220 by a screw.

It is understood that in other embodiments, other connection methods, such as snap connection, welding, riveting, etc., may be adopted between the socket 10 and the first fastener element 210, and between the base 20 and the second fastener element 220.

In one embodiment, the first fastener insert 210 is the same type as the second fastener insert 220. It is understood that in other embodiments, the first fastener insert 210 and the second fastener insert 220 may have different types.

In one embodiment, an annular protrusion 211 is disposed at one end of the first embedded element 210 and/or the second embedded element 220 connected to the quick connection assembly 100.

So set up, annular lug 211 can homogenize prestressing force for the prestressing force that the steel reinforcement cage can bear when prestretching is carried out is bigger, prevents that first embedded component 210 or second embedded component 220 from damaging.

In one embodiment, the outer diameter of the annular protrusion 211 gradually decreases from the end of the first fastener element 210 and/or the second fastener element 220 to the middle.

With such an arrangement, the annular bump 211 can further homogenize the prestress, and the phenomenon of abrupt change of the angle of the outer wall surface (such as two mutually perpendicular surfaces) does not exist, so that the prestress loss can be prevented.

It is understood that in other embodiments, the annular protrusion 211 with other shapes, such as rectangular or trapezoidal annular protrusion 211 with a cross section in the axial direction, may be used.

Preferably, the outer peripheral wall of the annular protrusion 211 is a curved surface. It is understood that in other embodiments, the outer peripheral wall of the annular protrusion 211 may have other shapes such as a slope.

So set up, can further reduce the loss of stress, and have excellent homogeneous prestress effect.

In an embodiment of the present invention, the outer wall of the first pre-embedded element 210 relatively close to one end of the steel bar 310 is a non-circular polygon; and/or the presence of a catalyst in the reaction mixture,

the outer wall of the second embedded element 220 close to one end of the steel bar 310 is a non-circular polygon.

Thus, the first embedded element 210 and the second embedded element 220 are convenient to install and fix.

It will be appreciated that the non-circular polygon may be a triangle, rectangle, pentagon, hexagon, heptagon, octagon or even more.

In an embodiment of the present invention, the first pre-embedded component 210 and the second pre-embedded component 220 have a contraction opening at one end thereof for connecting with the steel bar 310, the steel bar 310 has an upset 311 at one end thereof connected with the first pre-embedded component 210 or the second pre-embedded component 220, the contraction opening is used for limiting the upset 311 of the steel bar 310, and the upset 311 of the steel bar 310 is prevented from being released from the first pre-embedded component 210 or the second pre-embedded component 220.

So set up, it is simple and convenient to be connected between first pre-buried component 210 or second pre-buried component 220 and the reinforcing bar 310, and the engineering time is short, and the fastness of connection is high.

In one embodiment, the inner walls of the first fastener insert 210 or the second fastener insert 220 are tapered inwardly to form a tapered opening. It is understood that in other embodiments, both the inner wall and the outer wall of the first fastener insert 210 or the second fastener insert 220 may be shrunk inward to form a shrink opening.

In an embodiment of the present invention, the first pre-embedded element 210 and the second pre-embedded element 220 both have internal threads for connecting with the reinforcing bars 310.

So set up, be provided with the screw thread on the reinforcing bar 310 and can increase the adhesive force between reinforcing bar 310 and the concrete 320 for combine closely between reinforcing bar 310 and the concrete 320, the two can coordinate the cooperation, bear external force jointly, increase precast pile 300's stress strength.

It is understood that other connection forms, such as welding, riveting, gluing, etc., may also be used between the first embedded element 210 and the platform 10 and between the second embedded element 220 and the base 20.

Referring to fig. 10, fig. 10 is a cross-sectional view of a precast pile 300 according to an embodiment of the present invention.

The precast pile 300 is manufactured by arranging the steel bars 310 according to the stress requirement after forming to form a steel bar cage, pre-stretching the steel bar cage to generate prestress to offset or reduce the tensile stress generated by external load, so that no crack is generated or the time for generating the crack is prolonged under the condition of normal use of the steel bars 310; the reinforcement cage is placed into a mold after being formed, then concrete 320 is poured into the mold, a centrifugal mode is started if a hollow precast pile 300 needs to be made, the precast pile is placed in the mold in a standing mode if an entity pile needs to be made, and the precast concrete pile 300 is formed after drying and demolding after being formed. The pile manufacturing method is simple, and the manufactured precast pile 300 is high in strength, flexible in construction site and low in cost.

The precast pile 300 is connected by opposing the reinforcing bars 310 connected to the first pre-embedded elements 210 to the reinforcing bars 310 connected to the second pre-embedded elements 220 and using the quick coupling assembly 100 when connecting two precast piles 300.

Preferably, the steel bar 310 is a steel bar for prestressed concrete 320. The PC steel bar has the advantages of high strength and toughness, low looseness, strong bond force with the concrete 320, good weldability and upsetting property, material saving and the like.

It is understood that in other embodiments, other types of rebar 310 are possible, such as stainless steel rods, hot rolled steel rods, medium strength pre-stressed wires, stress-relief wires, steel strands, pre-stressed threaded rebar, and the like.

In an embodiment of the present invention, the reinforcing bars 310, the first embedded elements 210 and the second embedded elements 220 are all pre-embedded into the concrete 320 in advance to become embedded elements.

It is understood that in other embodiments, the first embedded element 210 and the second embedded element 220 can be connected with the steel bar at a later stage. The operation steps are that the concrete at the end of the precast pile is chiseled to expose the steel bar 310, and then the first embedded element 210 or the second embedded element 220 is connected to the end of the steel bar 310.

In an embodiment of the present invention, the precast pile 300 is a hollow tubular pile.

It is understood that in other embodiments, the precast pile 300 may also be a hollow square pile, a solid tubular pile, a solid square pile, a solid pointed pile or other special-shaped piles.

The utility model provides a quick docking mechanism 200 only needs to connect first embedded component 210 or second embedded component 220 in the one end of reinforcing bar 310, can link to each other through quick docking subassembly 100 between two reinforcing bars 310, connects portably to joint strength is high, and especially tensile properties is good.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be taken as limiting the present invention, and that suitable modifications and variations of the above embodiments are within the scope of the invention as claimed.

Claims (10)

1. A quick butt joint assembly (100) is characterized by comprising an inserting table (10), a base (20) and a buckle (30), wherein the inserting table (10) comprises a fixing part (11) and an inserting part (12) which are oppositely arranged, and a first groove (13) is formed in the inserting part (12); the base (20) comprises a first end face (21) and a second end face (22) which are oppositely arranged; the ring buckle (30) is provided with an opening (31) and can be elastically contracted, and the ring buckle (30) is sleeved on the inserting table (10) and contained in the first groove (13); the ring buckle (30) can be inserted into the base (20) along the insertion direction together with the insertion part (12) of the plug-in platform (10), and the ring buckle (30) can abut against the second end face (22) of the base (20) through elastic expansion and limit the reverse movement of the plug-in platform (10) along the insertion direction;

a first boss (15) is arranged on the inserting table (10), and the distance between the first boss (15) and the first groove (13) is larger than or equal to the height of the base (20) in the axial direction; the first boss (15) is used for positioning the insert table (10), and the first boss (15) abuts against the first end face (21) of the base (20).

2. The quick dock assembly (100) of claim 1, wherein the first boss (15) is annular.

3. The quick docking assembly (100) as claimed in claim 1, wherein said first bosses (15) are plural, and a plurality of said first bosses (15) are distributed on said docking station (10).

4. A quick-docking assembly (100) according to claim 2 or 3, characterized in that the abutment of the first boss (15) with the first end face (21) is a face contact.

5. A quick-docking assembly (100) according to claim 2 or 3, characterized in that the height of the first boss (15) in the axial direction is 0.1mm to 10 mm.

6. A quick docking assembly (100) according to claim 1, characterized in that the plug part (12) has a guide surface (16) at one end, the guide surface (16) being used to guide the plug part (12) of the docking station (10) into the base (20).

7. The quick docking assembly (100) of claim 6, wherein the guide surface (16) is arcuate or planar with rounded chamfers.

8. The quick dock assembly (100) of claim 1, wherein the snap ring (30) is in face contact with the second end face (22).

9. A quick docking mechanism (200) comprising a first pre-embedded element (210), a second pre-embedded element (220) and a quick docking assembly (100) according to any one of claims 1 to 8; insert fixed part (11) of platform (10) connect in first pre-buried component (210), base (20) connect in second pre-buried component (220), first pre-buried component (210) with pass through between second pre-buried component (220) quick butt joint subassembly (100) is connected.

10. The quick docking mechanism (200) as claimed in claim 9, wherein each of the first fastener insert (210) and the second fastener insert (220) has a constriction at one end thereof for connecting with a steel bar (310), and the end of the steel bar (310) connected with the first fastener insert (210) or the second fastener insert (220) has an upset (311), and the constriction is used for limiting the upset (311) of the steel bar (310); or,

the first embedded element (210) and the second embedded element (220) are provided with internal threads and are used for being connected with a steel bar (310).

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