CN213233427U - Bolt connecting piece - Google Patents
Bolt connecting piece Download PDFInfo
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- CN213233427U CN213233427U CN202021998821.6U CN202021998821U CN213233427U CN 213233427 U CN213233427 U CN 213233427U CN 202021998821 U CN202021998821 U CN 202021998821U CN 213233427 U CN213233427 U CN 213233427U
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Abstract
The utility model relates to a bolt connecting piece, which is used for butt joint between precast piles, and comprises a connecting head, wherein the connecting head comprises a connecting rod, a plug part, a connecting column part and a thread part; the plug part comprises a bottom wafer, at least four barrel sheets and at least four clamping sheets, the bottom wafer is a circular sheet body with a through hole in the middle, the barrel sheets are axially arranged on the bottom wafer at intervals, the clamping sheets are arranged at one end of the barrel sheets, and the clamping sheets radially protrude out of the barrel sheets; the connecting column part is a cylinder, one end of the connecting column part is connected with the threaded part, the other end face of the connecting column part is provided with a connecting hole, the connecting rod penetrates through the middle through hole of the bottom wafer and is connected with the connecting hole; the threaded portion is in threaded connection with the top barrel. This application is connected more efficient, has improved connection stability, increases pile foundation security, and the increase service life has improved the benefit of enterprise.
Description
Technical Field
The utility model relates to a connecting piece especially relates to a be used for precast pile to use rigidity annular bolt connecting piece.
Background
With the improvement of the importance degree of modern buildings and the continuous increase of the building height, higher requirements are put forward on the bearing capacity of the foundation, the natural foundation cannot better bear the load transmitted by the upper building, so when the natural foundation is used for covering the building, a treatment mode for enhancing the bearing capacity is provided, namely reinforced concrete is used as a foundation precast pile of the foundation, and a pile press machine is used for pressing the pile into the ground to enable the upper part of the precast pile to bear the building.
The precast piles are usually connected by welding or mechanical connection, although the welding mode is widely used, the welding quality requirement is high, the welding time is long, and after the connection, the steel plates react with chloride in soil for a long time to generate rust, so that the connection quality is reduced or disconnected. The manufacturers of precast piles therefore strive to develop mechanical joints and create a method for joining plug elements. The inserted bar or the connecting piece that are commonly used at present easily cause not hard up with the jack between, influence the connection quality, increase the place that promotes in the aspect of connecting stably.
Therefore, the bolt connecting piece for the precast pile in the prior art has a lifting space.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned defect, the utility model aims at providing a but butt joint installation realizes quick construction's bolt connecting piece to solve prior art's technical problem.
In order to achieve the purpose, the utility model provides a bolt connecting piece, which is used for butt joint between precast piles, one end of each precast pile is connected with a plurality of bottom cylinders, the other end of each precast pile is connected with a plurality of top cylinders, the bolt connecting piece comprises a connector, the connector is connected with the top cylinders, and the connector comprises a connecting rod, a plug part, a connecting column part and a thread part; the plug part is cylindrical and comprises a bottom wafer, at least four barrel sheets and at least four clamping sheets, the bottom wafer is a circular sheet body with a through hole in the middle, the barrel sheets are sheet bodies arranged on the bottom wafer at intervals along the axial direction, the clamping sheets are arranged at one end of the barrel sheets, and the clamping sheets radially protrude out of the barrel sheets; the connecting column part is a cylinder, one end of the connecting column part is connected with the threaded part, the other end face of the connecting column part is provided with a connecting hole, the connecting rod penetrates through the middle through hole of the bottom wafer and is connected with the connecting hole; the thread part is an external thread cylinder body, and the thread part is in threaded connection with the top cylinder.
According to the plug connector of the preferred embodiment of the present invention, the connection angle between the barrel and the bottom circular piece is 90 degrees.
According to the preferred embodiment of the present invention, the bottom cylinder is a hollow cylinder, and the bottom cylinder faces the wall of one end of the connector and is provided with a step.
The design idea of the utility model is that, design a bolt connecting piece, mainly improved the connection precision of annular connector and adversary's piece to set up multiple insurance, guarantee under the normal use that hookup location is not hard up, solve small displacement, extreme condition still can satisfy the requirement of resistance to plucking, improves connection stability, increases pile foundation security, increase service life.
Compared with the prior art, the utility model has the advantages of it is following:
1. the connecting piece of the utility model improves the connecting precision of the connector and the opponent piece, and the connection is more efficient;
2. the bottom cylinder of the utility model is directly used as a clamping opponent, so that the operation procedures are reduced, and the operation is more convenient;
3. the utility model provides high connection stability increases pile foundation security, and increase of service life has improved the benefit of enterprise.
Drawings
FIG. 1 is a schematic view of a plug connector according to the present application;
FIG. 2 is a schematic diagram of the fry of FIG. 1;
fig. 3 is a schematic top view of a plug portion of the present application.
Detailed Description
The invention will be elucidated below on the basis of an embodiment shown in the drawing. The embodiments disclosed herein are to be considered in all respects as illustrative and not restrictive. The scope of the present invention is not limited by the following description of the embodiments, but is defined only by the scope of the claims, and includes all modifications that have the same meaning as the scope of the claims and are within the scope of the claims.
The present invention will be described in detail below with reference to the accompanying drawings.
Please refer to fig. 1, a bolt connecting piece of this application for the butt joint between the precast pile, a plurality of end section of thick bamboo 10 is connected to the one end of precast pile, end section of thick bamboo 10 is production during the precast pile, it is pre-buried in the pre-buried connecting piece of precast pile one end, the quantity foundation of end section of thick bamboo 10 the design of precast pile is different and different, a plurality of top section of thick bamboo 20 is connected to the other end of precast pile, equally, top section of thick bamboo 20 is production during the precast pile, it is pre-buried in the pre-buried connecting piece of precast pile one end, the quantity foundation of top section of thick bamboo 20 the design of precast pile is different and different, bolt connecting piece includes a connector, the connector is connected top section of thick bamboo 20, the connector includes connecting rod 31, plug portion 32, connecting column portion 33 and screw thread portion 34.
Describing the top cylinder 20, as shown in fig. 1, the top cylinder 20 is a cylindrical structure with an open lower end, a stepped connection hole for clamping the steel rod is formed in the center of the upper end of the top cylinder 20, the stepped connection hole is small at the upper end and large at the lower end, and an internal thread is formed in the lower portion of the inner cavity wall of the top cylinder 20 and is used for connecting the connector. As described above, the top cylinder 20 is a pre-embedded connector pre-embedded at one end of the precast pile, and during assembly, the connector can be easily screwed into the top cylinder 20 by hand.
Referring to fig. 2 and 3, the plug portion 32 is cylindrical, the plug portion 32 includes a bottom circular plate 321, at least four barrel plates 322 and at least four clamping plates 323, the number of the barrel plates 322 and the clamping plates 323 is eight in the present application, but it should be the scope of the present application that the number of the barrel plates 322 and the number of the clamping plates 323 are more or less than that of the present application, as long as the strength of the snap connection can be ensured, the bottom circular plate 321 is a circular plate with a through hole in the middle, the barrel plates 322 are plates axially spaced on the bottom circular plate, the clamping plates are disposed at one end of the barrel plates 322, and the clamping plates radially protrude from the barrel plates 322.
In addition, the connecting column portion 33 is a cylinder, one end of the connecting column portion 33 is connected to the threaded portion 34, as shown in fig. 2, in this embodiment, the connecting column portion 33 and the threaded portion 34 are integrally formed, a connecting hole 331 is formed in the other end surface of the connecting column portion 33, the connecting rod 31 penetrates through a middle through hole of the bottom circular sheet 321, the connecting rod 31 is connected to the connecting hole 331, in this application, the connecting rod 31 is a screw rod, the connecting hole 331 is a threaded hole, and when assembling, after the connecting rod 31 penetrates through the middle through hole of the bottom circular sheet 321, the connecting rod 31 is screwed into the connecting hole 331 to complete assembling of the plug portion 32; the thread part 34 is an external thread cylinder, and the thread part 34 is screwed with the top cylinder 20.
Referring to fig. 2, the connection angle between the cylinder 322 and the bottom circular plate is 90 degrees; as shown in the figure, in this embodiment, the clamping piece is disposed at one end of the barrel piece 322, the clamping piece protrudes from the barrel piece 322 in the radial direction, and an end surface of the clamping piece facing one end of the top barrel and an extension line of the barrel piece 322 form an included angle of 90 degrees.
Referring to fig. 2, the bottom tube 10 is a hollow tube, a step is formed on a tube wall of one end of the bottom tube 10 facing the connector, and a step-shaped connecting hole for clamping a steel rod with a large upper end and a small lower end is formed in a center position of the other end of the bottom tube 10. In this embodiment, the stepped surface 11 of the step formed on the wall of the bottom tube 10 at one end of the connector forms a 90-degree included angle with the axial line of the bottom tube 10, and the included angle has good clamping strength with the clamping piece 323. In the embodiment of the present application, the number of the steps formed on the wall of the end of the bottom cylinder 10 facing the connector is one, but the number of the steps cannot be used to limit the present application, and several more steps should be included as long as the clamping strength can be ensured.
The utility model discloses a work is such, during the use, in the end section of thick bamboo 10 and the top section of thick bamboo 20 in being fixed in respectively with the excellent one end of the rod steel of two precast piles of butt joint, later insert the plug portion 32 of connector in the end section of thick bamboo 10, make plug portion 32 and end section of thick bamboo 10 link together, thereby make the rod steel of two precast piles link together fast, because the terminal surface of the card of plug portion 32 is the lamellar body of angle, the external diameter of card is greater than the open-ended internal diameter of ladder department, as shown in figure 1, and the orientation of card the bottom disk 321 one side is a circular arc transition, so the card can be inserted into and can not be pulled out, the card is in the ladder face when pulling out, connects the fastening; the bolt connecting piece has the advantages of being simple and compact in structure, high in pulling resistance bearing capacity, efficient, simple and convenient to connect, low in manufacturing cost, high in construction efficiency, free of welding during field installation, and greatly improved in construction efficiency.
The purpose of this application is, the bolt connecting piece is through the mode that adopts mechanical connection, and the cooperation is at the pre-buried mechanical component in advance of mill, during site operation, only need to aim at two sections stake hole site, twist on the pre-buried connecting piece and can dock the installation, realize the construction of quick environmental protection, practice thrift construction cost. And the integrality and the stability of lifting machine connection, the precast pile after using the bolt connecting piece can possess better resistance to compression resistance to plucking effect and improve the anticorrosive effect of junction.
It is right above the utility model discloses carry out detailed introduction, compared with the prior art, the utility model has the advantages of it is following:
1. the connecting piece of the utility model improves the connecting precision of the connector and the opponent piece, and the connection is more efficient;
2. the bottom cylinder of the utility model is directly used as a clamping opponent, so that the operation procedures are reduced, and the operation is more convenient;
3. the utility model provides high connection stability increases pile foundation security, and increase of service life has improved the benefit of enterprise.
The above disclosure is only for the specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be made by those skilled in the art should fall within the protection scope of the present invention.
Claims (3)
1. A bolt connecting piece is used for butt joint between precast piles and is characterized in that one end of each precast pile is connected with a plurality of bottom barrels, the other end of each precast pile is connected with a plurality of top barrels, the bolt connecting piece comprises a connecting head, the connecting head is connected with the top barrels, and the connecting head comprises a connecting rod, a plug part, a connecting column part and a threaded part; wherein the content of the first and second substances,
the plug part is cylindrical and comprises a bottom wafer, at least four barrel sheets and at least four clamping sheets, the bottom wafer is a circular sheet body with a through hole in the middle, the barrel sheets are axially arranged on the bottom wafer at intervals, the clamping sheets are arranged at one end of the barrel sheets, and the clamping sheets radially protrude out of the barrel sheets;
the connecting column part is a cylinder, one end of the connecting column part is connected with the threaded part, the other end face of the connecting column part is provided with a connecting hole, the connecting rod penetrates through the middle through hole of the bottom wafer and is connected with the connecting hole;
the thread part is an external thread cylinder body, and the thread part is in threaded connection with the top cylinder.
2. The latch connection of claim 1, wherein the angle of connection of said barrel and said base disc is 90 degrees.
3. The connector pin according to claim 2, wherein said bottom tube is a hollow tube, and a step is formed on the wall of the bottom tube at the end facing said connector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021998821.6U CN213233427U (en) | 2020-09-14 | 2020-09-14 | Bolt connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021998821.6U CN213233427U (en) | 2020-09-14 | 2020-09-14 | Bolt connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213233427U true CN213233427U (en) | 2021-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021998821.6U Active CN213233427U (en) | 2020-09-14 | 2020-09-14 | Bolt connecting piece |
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| Country | Link |
|---|---|
| CN (1) | CN213233427U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113718764A (en) * | 2021-08-23 | 2021-11-30 | 南通市智达建筑科技有限公司 | Combined type connecting concrete uplift pile |
-
2020
- 2020-09-14 CN CN202021998821.6U patent/CN213233427U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113718764A (en) * | 2021-08-23 | 2021-11-30 | 南通市智达建筑科技有限公司 | Combined type connecting concrete uplift pile |
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