CN217630504U - Connecting piece of full-thread type precast concrete member - Google Patents
Connecting piece of full-thread type precast concrete member Download PDFInfo
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- CN217630504U CN217630504U CN202221438499.0U CN202221438499U CN217630504U CN 217630504 U CN217630504 U CN 217630504U CN 202221438499 U CN202221438499 U CN 202221438499U CN 217630504 U CN217630504 U CN 217630504U
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- precast concrete
- fastener
- bolt
- end plate
- connection fastener
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- 239000011178 precast concrete Substances 0.000 title claims abstract description 87
- 230000002708 enhancing effect Effects 0.000 claims 1
- 239000004567 concrete Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 3
- 238000010168 coupling process Methods 0.000 description 3
- 238000005859 coupling reaction Methods 0.000 description 3
- 238000003825 pressing Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model provides a connecting piece of full thread formula precast concrete component, including in-connection fastener, bolt and support nut, the in-connection fastener is located precast concrete component's inboard and is used for connecting the end plate of adjacent precast concrete component, is provided with the screw hole on the in-connection fastener, and the screw rod of bolt is full thread formula, and the afterbody of bolt from the outside to inboard in proper order transversely pass support nut and end plate and with the screw hole threaded connection of in-connection fastener. The utility model discloses the connecting piece that indicates can be followed the inboard and connected precast concrete unit, has overcome because of the not enough technical obstacle that can't connect precast concrete unit from the inboard in space.
Description
Technical Field
The utility model belongs to the technical field of the building and specifically relates to connecting piece of full screw thread formula precast concrete component.
Background
The precast concrete member is a building material produced in a factory and has good mechanical property. When the precast concrete component is adopted to build a foundation or a house, the method is beneficial to environmental protection and improvement of the construction speed.
The connection between the precast concrete members is indispensable during the construction of a building. The adjacent precast concrete units are generally connected to each other at the outer sides thereof by welding or by using a connector. The existing connecting piece generally adopts the form of a hoop or a connecting seat arranged on a precast concrete component, and the like, and then the adjacent precast concrete components are connected through bolts.
Since the precast concrete elements are generally large in size in the length direction, there is not enough space for connection at the inner side of the precast concrete elements. In view of the above, a connecting member and an end plate for a full-threaded precast concrete unit and a method for using the same have been developed.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. The utility model provides a connecting piece of full screw thread formula precast concrete component can follow the inboard and connect adjacent precast concrete component.
The utility model provides a connecting piece of full thread formula precast concrete component, including in-connection fastener, bolt and support nut, the in-connection fastener is located precast concrete component's inboard and is used for connecting the end plate of adjacent precast concrete component, be provided with the screw hole on the in-connection fastener, the screw rod of bolt is full thread formula, the afterbody of bolt is from the outside to inboard horizontal pass in proper order support nut and end plate and with the screw hole threaded connection of in-connection fastener.
According to the utility model discloses a some embodiments, the in-connection fastener is provided with the joint groove, the joint groove is used for hooping adjacent precast concrete component's end plate.
According to the utility model discloses a some embodiments, the upper and lower both ends in joint groove all are provided with the guide face.
According to some embodiments of the invention, the guide surface is a plane, and the angle between the guide surface and the horizontal is α, which is in the range of 20 ° to 30 °.
According to some embodiments of the utility model, the outside of precast concrete member is provided with the external connection fastener of strengthening joint strength.
According to some embodiments of the invention, the external connection fastener is provided with a circular through hole for the bolt to pass through.
According to the utility model discloses a some embodiments, the external connection fastener is provided with second joint groove, the upper and lower both ends in second joint groove all are provided with the second guide face.
The utility model discloses at least, following technological effect has:
1. the utility model discloses full thread formula precast concrete component's connecting piece, including in-connection fastener, bolt and support nut, can connect precast concrete component from the inboard, overcome because of the space not enough can't follow the inboard technical obstacle who connects precast concrete component.
2. The utility model discloses full thread formula precast concrete component's connecting piece, the upper and lower both ends in joint groove all are provided with the guide face, make things convenient for the precast concrete component's of top end plate and the precast concrete component's of below end plate all to block into the joint inslot, conveniently connect.
Drawings
Fig. 1 is a schematic view of a connector according to an embodiment of the present invention;
fig. 2 is a front view of an embodiment of an internal connection fastener of the present invention;
FIG. 3 is a schematic view of a connector with an additional external connecting fastener according to an embodiment of the present invention;
fig. 4 is a schematic view of an end plate of a precast concrete unit according to an embodiment of the present invention;
FIG. 5 is a first view illustrating a usage status of the connecting member without the external connecting fastener according to an embodiment of the present invention;
FIG. 6 is a second schematic view of a connection member according to an embodiment of the present invention in a use state without an external connection fastener;
FIG. 7 is a third schematic view of a connecting member in use without an external connecting fastener according to an embodiment of the present invention;
fig. 8 is a fourth schematic view illustrating a usage status of the connecting member without the external connecting fastener according to an embodiment of the present invention;
fig. 9 is a first schematic view illustrating a usage status of the connecting member with an external connecting buckle according to an embodiment of the present invention;
FIG. 10 is a second schematic view of a connecting member according to an embodiment of the present invention in a use state with an external connecting buckle;
fig. 11 is a third schematic view of a usage status of the connecting member with an external connecting fastener according to an embodiment of the present invention;
FIG. 12 is a fourth schematic view illustrating a usage state of the connecting member with an external connecting fastener according to an embodiment of the present invention;
fig. 13 is a fifth schematic view of a usage status of the connecting member with the external connecting fastener according to an embodiment of the present invention.
Reference numerals: the inner connecting fastener 100, the screw hole 110, the catching groove 120, the guide surface 121, the bolt 200, the support nut 300, the outer connecting fastener 400, the second catching groove 410, the second guide surface 411, the end plate body 500, and the recess 510.
Detailed Description
The following description is provided with reference to the accompanying drawings to assist in a comprehensive understanding of various embodiments of the disclosure as defined by the claims and their equivalents. The description includes various specific details to aid understanding, but such details are to be regarded as exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the various embodiments described herein can be made without departing from the scope and spirit of the present disclosure. Moreover, descriptions of well-known functions and constructions may be omitted for clarity and conciseness.
The terms and words used in the following description and claims are not to be limited to the literal meanings, but are merely used by the utility model to enable a clear and consistent understanding of the disclosure. Accordingly, it will be apparent to those skilled in the art that the following descriptions of the various embodiments of the present disclosure are provided for illustration only and not for the purpose of limiting the disclosure as defined by the appended claims and their equivalents.
It is to be understood that the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. Thus, for example, reference to "a component surface" includes reference to one or more such surfaces.
The terms "having," "may have," "including," or "may include" used in various embodiments of the present disclosure indicate the presence of the respective functions, operations, elements, etc., disclosed, but do not limit additional one or more functions, operations, elements, etc.
Furthermore, it is to be understood that the terms "comprises" or "comprising," when used in various embodiments of the present disclosure, are intended to specify the presence of stated features, integers, operations, elements, components, or groups thereof, but do not preclude the presence or addition of one or more other features, integers, operations, elements, components, or groups thereof.
The utility model discloses the precast concrete component who indicates includes circular tubular pile, square pile, bamboo joint stake, sheet pile, hexagon stake and all kinds of special-shaped piles etc. at least.
As shown in fig. 1 and 2, the utility model provides a connecting piece of full screw thread formula precast concrete component, including interior connection fastener 100, bolt 200 and support nut 300, interior connection fastener 100 is located precast concrete component's inboard and is used for connecting adjacent precast concrete component's end plate, is provided with screw hole 110 on the interior connection fastener 100, and bolt 200's screw rod is full screw thread formula, and bolt 200's afterbody from the outside to inboard in proper order transversely pass support nut 300 and end plate and with the screw hole 110 threaded connection of interior connection fastener 100. The utility model discloses the connecting piece that indicates can be followed the inboard and connected precast concrete unit, has overcome because of the space is not enough can't follow the inboard technical obstacle who connects precast concrete unit.
In some embodiments, the inner connection fastener 100 is provided with a catching groove 120, and the catching groove 120 is used to catch the end plate of the adjacent precast concrete member. The end plate of the precast concrete member above and the end plate of the precast concrete member below are both clamped in the clamping groove 120.
In order to facilitate the clamping of the end plate of the upper precast concrete member and the end plate of the lower precast concrete member into the clamping groove 120, the upper and lower ends of the clamping groove 120 are provided with guide surfaces 121. The guide surface 121 may be a flat surface or a regular arc surface, and preferably, the guide surface 121 is a flat surface, and the angle α of the guide surface 121 to the horizontal direction is in the range of 20 ° to 30 °. Specific values may be 20 °, 23 °, 25 °, 28 °, 30 °, or the like.
As shown in fig. 3, in order to increase the coupling strength of the end plate of the upper precast concrete unit and the end plate of the lower precast concrete unit, in some embodiments, the outer side of the precast concrete unit is provided with an outer coupling fastener 400 to reinforce the coupling strength.
In some embodiments, the external connection fastener 400 is provided with a circular through hole through which the bolt 200 passes. The circular through-hole facilitates the movement of the external connection fastener 400 along the bolt 200.
In some embodiments, the external connection fastener 400 is provided with a second catching groove 410, and second guide surfaces 411 are provided at upper and lower ends of the second catching groove 410. The second guide surface 411 may be a flat surface or a regular arc surface; preferably, the second guide surface 411 is a plane, and since the inner connection fastener 100 has already hooped the end plate of the precast concrete unit, the angle of the second guide surface 411 to the horizontal plane may be less than α, which may range from 5 ° to 10 °, and may specifically be 5 °, 8 ° or 10 °.
As shown in fig. 4, the utility model also provides an end plate of full screw thread formula precast concrete member, including end plate main body 500, be provided with recess 510 on the end plate main body 500. The grooves 510 extend through the endplate body 500, the number of the grooves 510 may be 2-8, and the grooves 510 are distributed in a circular array on the endplate body 500. When the prefabricated concrete member is used specifically, one of the upper prefabricated concrete member and the lower prefabricated concrete member adopts an end plate with a groove 510, and the other adopts a normal end plate; or both the upper and lower precast concrete units employ end plates with grooves 510, the height of the grooves 510 should be half the height of the bolts 200 when the second mode is employed.
In addition, the groove 510 can be replaced by a through hole transversely penetrating through the end plate body 500, as long as the bolt 200 can smoothly penetrate through the end plate body 500 to be connected with the inner connecting fastener 100; specifically, the shape of the through-hole or groove 510 may be circular, square, or other shape.
As shown in fig. 5-13, the present invention further provides a method for using the connecting member and the end plate of the fully threaded precast concrete unit, comprising the following steps;
s01: screwing and screwing the support nut 300 from the bottom of the bolt 200 to a position close to the head of the bolt;
s02: screwing the inner connecting fastener 100 into the tail position of the bolt 200, so that the distance between the inner connecting fastener 100 and the supporting nut 300 is greater than the outer diameter of the end plate of the precast concrete member;
s03: placing the connector of the assembled full-thread precast concrete unit in the groove 510 of the lower end plate so that the inner connecting fastener 100 is positioned at the inner side of the precast concrete unit and the upper end plate does not interfere with the inner connecting fastener 100 and the supporting nut 300 when the upper precast concrete unit falls;
s04: dropping the upper precast concrete member to enable the end plate of the upper precast concrete member to be tightly attached to the end plate of the lower precast concrete member;
s05: pulling the bolt 200 at the outer side of the precast concrete unit to make the inner connecting fastener 100 hoop the end plate of the precast concrete unit above and the end plate of the precast concrete unit below;
s06: screwing the supporting nut 300 to enable the supporting nut 300 to be tightly attached to the outer wall of the precast concrete component;
s07: bolt 200 is tightened so that the head of bolt 200 abuts against support nut 300.
In order to further enhance the connection strength of the end plate of the precast concrete member above and the end plate of the precast concrete member below and to make the stress on the inner side and the outer side of the precast concrete member after being connected more balanced; the end plates may be welded on the outside of the precast concrete elements when the end plate side walls are flush with the concrete side walls. When the end plate sidewall protrudes from the concrete sidewall, before the step S02, the external connection fastener 400 is inserted into the bolt 200, so that the external connection fastener 400 is tightly attached to the support nut 300, and then the following steps are performed;
s02', screwing the inner connecting fastener 100 into the tail position of the bolt 200, so that the distance between the inner connecting fastener 100 and the outer connecting fastener 400 is larger than the outer diameter of the end plate of the precast concrete member;
s03', placing the connector of the assembled full-thread precast concrete component in the groove 510 of the lower end plate, so that the inner connecting fastener 100 is positioned at the inner side of the precast concrete component, and the upper end plate does not interfere with the inner connecting fastener 100 and the outer connecting fastener 400 when the upper precast concrete component falls;
s04', dropping the upper precast concrete component to enable the end plate of the upper precast concrete component to be tightly attached to the end plate of the lower precast concrete component;
s05, pulling the bolt 200 at the outer side of the precast concrete member to enable the inner connecting fastener 100 to hoop the end plate of the precast concrete member above and the end plate of the precast concrete member below;
s06', moving the external connecting fastener 400 along the bolt to enable the external connecting fastener 400 to hoop the end plate of the prefabricated concrete component above and the end plate of the prefabricated concrete component below, and then screwing the supporting nut 300 to enable the supporting nut 300 to cling to the external connecting fastener 400;
s07', bolt 200 is tightened so that the head of bolt 200 abuts against support nut 300.
After the connection is carried out by the using method, the tail part of the bolt 200 is positioned on the inner side of the precast concrete member, compared with the condition that the tail part of the bolt 200 is positioned on the outer side of the precast concrete member, the resistance in pile pressing is reduced, and the pile pressing efficiency can be improved.
The foregoing is a more detailed description of the present invention that is presented in conjunction with specific embodiments, and it is not to be understood that the specific embodiments of the present invention are limited to these descriptions. To the utility model discloses to the ordinary technical person of technical field, under the prerequisite that does not deviate from the utility model discloses the design, can also make a plurality of simple deductions or replacement.
Claims (7)
1. Full screw thread formula precast concrete component's connecting piece, its characterized in that: including in-connection fastener (100), bolt (200) and support nut (300), in-connection fastener (100) are located precast concrete member's inboard and are used for connecting adjacent precast concrete member's end plate, be provided with screw hole (110) on in-connection fastener (100), the screw rod of bolt (200) is full thread formula, the afterbody of bolt (200) is from the outside to inboard lateral pass in proper order support nut (300) and end plate and with screw hole (110) threaded connection of in-connection fastener (100).
2. The connector of a full thread type precast concrete member according to claim 1, wherein: the inner connecting fastener (100) is provided with a clamping groove (120), and the clamping groove (120) is used for hooping the end plates of the adjacent precast concrete members.
3. The connecting member for a fully threaded precast concrete unit according to claim 2, wherein: guide surfaces (121) are arranged at the upper end and the lower end of the clamping groove (120).
4. The connecting member for a fully threaded precast concrete unit according to claim 3, wherein: the guide surface (121) is a plane, the included angle between the guide surface (121) and the horizontal direction is alpha, and the alpha ranges from 20 degrees to 30 degrees.
5. The connector of a full thread type precast concrete member according to claim 1, wherein: and an external connecting fastener (400) for enhancing the connecting strength is arranged on the outer side of the precast concrete member.
6. The connector of a full thread type precast concrete member according to claim 5, wherein: the external connection fastener (400) is provided with a circular through hole through which the bolt (200) passes.
7. The connecting member for a fully threaded precast concrete unit according to claim 6, wherein: the outer connecting fastener (400) is provided with a second clamping groove (410), and the upper end and the lower end of the second clamping groove (410) are both provided with a second guide surface (411).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221438499.0U CN217630504U (en) | 2022-06-08 | 2022-06-08 | Connecting piece of full-thread type precast concrete member |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221438499.0U CN217630504U (en) | 2022-06-08 | 2022-06-08 | Connecting piece of full-thread type precast concrete member |
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| CN217630504U true CN217630504U (en) | 2022-10-21 |
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| CN202221438499.0U Active CN217630504U (en) | 2022-06-08 | 2022-06-08 | Connecting piece of full-thread type precast concrete member |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837310A (en) * | 2022-06-08 | 2022-08-02 | 广东三和管桩股份有限公司 | Connector, end plate and method of use of fully threaded precast concrete member |
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2022
- 2022-06-08 CN CN202221438499.0U patent/CN217630504U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114837310A (en) * | 2022-06-08 | 2022-08-02 | 广东三和管桩股份有限公司 | Connector, end plate and method of use of fully threaded precast concrete member |
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