Special anchor bolt assembly for prefabricated insulation board

Abstract

The utility model discloses a special anchor bolt component for a prefabricated insulation board, which comprises a pre-embedded sleeve pre-embedded in the prefabricated insulation board and a movable anchor bolt rod detachably connected with the outer end of the pre-embedded sleeve, and the outer end of the pre-embedded sleeve is flush with the inner side surface of the prefabricated insulation board. An anchor bolt assembly comprises a pre-embedded sleeve and a movable anchor bolt rod, the pre-embedded sleeve and the movable anchor bolt rod are detachably connected together, and the outer end of the pre-embedded sleeve is arranged to be flush with the inner side face of the prefabricated heat preservation plate; when the prefabricated insulation board is produced, machine trowelling can be carried out, and the production efficiency is greatly improved; meanwhile, the inner side face of the whole prefabricated insulation board is flat and free of protrusions, a special support is not needed during transportation, and the transportation cost is reduced. And during field installation, the protective sleeve is taken down, and then the movable anchor bolt rod is inserted into the outer end of the embedded sleeve, so that the movable anchor bolt rod is fixedly connected to the outer end of the embedded sleeve, and the whole prefabricated insulation board is connected to the outer side of the cast-in-place wall.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fabricated building, especially relates to a special anchor bolt assembly of prefabricated insulation board. BACKGROUND

[0002] In order to improve the thermal insulation performance of building wall, it is usually necessary to set prefabricated insulation board on the outer wall of building. In the prior art, the prefabricated insulation board of outer wall is usually set on the outer surface of outer wall by using the construction methods of bonding, anchoring and external hanging. The construction method of bonding is easy to cause hollowing between the prefabricated insulation board and the structure outer wall, the construction method of anchoring is easy to cause the prefabricated insulation board to separate from the building main body and fall off due to the aging deformation of anchor nail, and the construction method of external hanging uses large-size prefabricated insulation board, so the installation efficiency is low and water is easy to gather at the joint to cause frost cracking.

[0003] The utility model discloses a prefabricated insulation wall, which is obtained by splicing prefabricated insulation boards on the outer side of cast-in-place wall and pre-burying anchor bolts in the prefabricated insulation boards, which extend into the cast-in-place wall, and reliably connecting the prefabricated insulation boards on the outer side of the cast-in-place wall through the anchor bolts. However, the pre-buried anchor bolts must protrude from the side surface of the prefabricated insulation board, which makes it inconvenient to use machines to smooth the prefabricated insulation board during production and only allows manual smoothing to avoid the protruding connecting member, resulting in a significant decrease in production efficiency and a significant increase in manufacturing cost. In addition, during transportation of the prefabricated insulation board, a special protective bracket must be provided to protect the anchor bolts protruding from the side surface of the prefabricated insulation board, which significantly increases the construction cost of the prefabricated insulation wall. SUMMARY

[0004] The utility model provides a special anchor bolt assembly for prefabricated insulation board to solve the problem of inconvenient production and transportation caused by protruding ordinary anchor bolts from the side surface of the prefabricated insulation board in the prefabricated insulation wall of the prior art.

[0005] To achieve the above-mentioned purpose, the technical scheme of the utility model is as follows: a special anchor bolt assembly for prefabricated insulation board is constructed, which comprises a pre-buried sleeve pre-buried in the prefabricated insulation board, a movable anchor bolt rod detachably connected to the outer end of the pre-buried sleeve, and the outer end of the pre-buried sleeve is flush with the inner side surface of the prefabricated insulation board.

[0006] Furthermore, the prefabricated insulation board comprises a pre-buried steel mesh, and the pre-buried sleeve is fixed on the steel mesh.

[0007] Furthermore, the inner end of the pre-buried sleeve is provided with a connecting through hole, and the pre-buried sleeve is fixed on the steel mesh through a flexible connecting member passing through the connecting through hole.

[0008] Further, the pre-embedded sleeve includes a sleeve and a plug rod, one end of the plug rod is fixed on the fixing plate and the other end is fixed on the inner end of the sleeve.

[0009] Further, the plug rod is fixed on the inner end of the sleeve through a locking nut.

[0010] Further, the movable anchor rod includes a connecting rod which is detachably connected with the outer end of the sleeve and an anchor bolt which is fixed on the end of the connecting rod.

[0011] Further, the connecting rod is detachably connected with the outer end of the pre-embedded sleeve through screw threads.

[0012] Further, the outer end of the pre-embedded sleeve is provided with a threaded hole and the connecting end of the movable anchor rod is provided with external threads.

[0013] Further, a plurality of notches are circumferentially distributed on the wall of the threaded hole and the external threads are tapered threads.

[0014] The special anchor bolt assembly for the prefabricated insulation board has the following beneficial effects: the anchor bolt assembly includes a pre-embedded sleeve and a movable anchor rod which are detachably connected together, so that the anchor bolt is separated into two parts, the pre-embedded sleeve is located in the prefabricated insulation board and the movable anchor rod is connected with the outer end of the pre-embedded sleeve at the construction site; the outer end of the pre-embedded sleeve is arranged flush with the inner side of the prefabricated insulation board, a protective sleeve is sleeved on the outer end of the pre-embedded sleeve when the prefabricated insulation board is produced, so that the concrete of the prefabricated insulation board does not enter the pre-embedded sleeve during the processes of material distribution, vibration or troweling, so that machine troweling is carried out and the production efficiency is greatly improved; meanwhile, the inner side of the entire prefabricated insulation board is flat without protrusions, so that special supports are not needed during transportation and the transportation cost is reduced; the protective sleeve is removed and the movable anchor rod is inserted into the outer end of the pre-embedded sleeve during the installation at the construction site, so that the movable anchor rod is fixedly connected with the outer end of the pre-embedded sleeve and the entire prefabricated insulation board is connected with the cast-in-place wall body outside BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0016] Figure 1 It is a three-dimensional structure schematic diagram of the preferred embodiment of the special anchor bolt assembly for the prefabricated insulation board.

[0017] Figure 2 is shown as an exploded view of Figure 1 ;

[0018] Figure 3 is shown as a perspective view of the sleeve in the preferred embodiment of the special anchor assembly for the prefabricated thermal insulation board according to the present application;

[0019] Figure 4 is shown as a structural schematic view of another embodiment of the special anchor assembly for the prefabricated thermal insulation board according to the present application;

[0020] Figure 5 is shown as a perspective view of the sleeve in another embodiment of the special anchor assembly for the prefabricated thermal insulation board according to the present application. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application.

[0022] In the special anchor assembly for the prefabricated thermal insulation board according to the present application, mainly includes a pre-buried sleeve and a movable anchor rod, the pre-buried sleeve is pre-buried in the prefabricated thermal insulation board, and the outer end of the pre-buried sleeve is flush with the inner side surface of the prefabricated thermal insulation board, and the movable anchor rod is detachably connected to the outer end of the pre-buried sleeve. The inner side of the prefabricated thermal insulation board is the side facing the cast-in-place wall, the outer end of the pre-buried sleeve is the end close to the cast-in-place wall, and the inner end of the pre-buried sleeve is the end away from the cast-in-place wall.

[0023] As Figure 1 , 2 , 3 shows that in the preferred embodiment of the special anchor assembly for the prefabricated thermal insulation board according to the present application, it includes a pre-buried sleeve 10 and a movable anchor rod 20, wherein the pre-buried sleeve is pre-buried in the prefabricated thermal insulation board (not shown in the figure), and the outer end of the pre-buried sleeve 10 is flush with the inner side surface of the prefabricated thermal insulation board; one end of the movable anchor rod 20 is detachably connected to the outer end of the pre-buried sleeve 10, and the other end extends into the cast-in-place wall, so as to connect the prefabricated thermal insulation board to the outer side of the cast-in-place wall.

[0024] The fixing plate can be a steel bar truss or a profile steel embedded in the prefabricated thermal insulation board. In the preferred embodiment, the embedded sleeve 10 comprises a sleeve 11 and a plug 12, one end of the plug is fixed to the fixing plate, and the other end is fixed to the inner end 11b of the sleeve, i.e. the end of the sleeve away from the cast-in-place wall. Specifically, a positioning step 12a can be provided at one end of the plug 12, and the other end of the plug 12 is fixedly connected to the inner end 11b of the sleeve. The plug 12 can be inserted through a connecting hole (not shown in the figure) provided on the fixing plate, so that the positioning step 12a of the plug is just clamped at the connecting hole of the fixing plate, and the other end of the plug 12 can be connected to the inner end 11b of the sleeve through a thread, or the sleeve 11 can be positioned on the plug 12 through a locking nut 13.

[0025] The outer end 11a of the sleeve is preferably flush with the inner side of the prefabricated thermal insulation board, and the outer end 11a of the sleeve can be detachably connected to the movable anchor rod 20. Specifically, the movable anchor rod 20 can be provided to comprise an anchor rod 21 and a connecting rod 22, one end of the connecting rod 22 is detachably connected to the outer end 11a of the sleeve, and the other end is fixedly connected to the anchor rod 21. The detachable connection between the connecting rod 22 and the outer end 11a of the sleeve can be a threaded connection or a snap connection, i.e. the detachable connection between the movable anchor rod 20 and the outer end of the embedded sleeve 10 can be a threaded connection or a snap connection. In the preferred embodiment, the detachable connection between the outer end 11a of the sleeve and the connecting rod 22 is a threaded connection. Specifically, a threaded hole 14 can be provided at the outer end 11a of the sleeve, and an external thread 22b matching the threaded hole 14 is provided at the end 22a of the connecting rod. To make the connection between the outer end 11a of the sleeve and the connecting rod 22 more reliable, it is preferable to open a plurality of circumferentially distributed notches 15 on the hole wall 14a of the threaded hole, so that the hole wall 14a of the threaded hole is divided into a plurality of parts by the notches 15; at the same time, the external thread 22b at the end of the connecting rod is provided as a tapered thread. When the end of the connecting rod 22 is inserted into the threaded hole 14, the tapered thread extrudes the hole wall 14a of the threaded hole, so that the plurality of parts of the hole wall 14a of the threaded hole divided by the notches 15 are extruded, and the displacement of the hole wall 14a of the threaded hole is limited by the surrounding concrete, so that the end 22a of the connecting rod is tightly held by the hole wall 14a of the threaded hole, ensuring the reliability of the threaded connection between them, and the connecting rod is not easy to come off the sleeve outer end.

[0026] As Figure 4 , 5As shown in the another embodiment of the special anchor bolt assembly of the prefabricated thermal insulation board, it also comprises the sleeve 11 embedded in the prefabricated thermal insulation board and the movable anchor bolt rod 20, and the outer end 11a of the sleeve is flush with the inner side of the prefabricated thermal insulation board. Different from the above preferred embodiment, the steel mesh (not shown in the figure) is embedded in the prefabricated thermal insulation board, and the sleeve 11 is directly fixed on the steel mesh. Specifically, the connecting through hole 11c is arranged at the inner end 11b of the sleeve, and the flexible connecting piece (not shown in the figure), such as a wire, is further arranged through the connecting through hole 11c; after the flexible connecting piece is arranged through the connecting through hole 11c, the flexible connecting piece is bound together with the steel mesh, so that the sleeve 11 is fixed on the steel mesh.

[0027] In the manufacturing of the prefabricated thermal insulation board, the sleeve 11 in the anchor bolt assembly can be fixed on the steel mesh or the fixed plate, and the protective sleeve is arranged at the outer end 11a of the sleeve, so that the concrete does not enter the sleeve in the process of material laying, vibration or troweling. In the on-site installation, the protective sleeve is removed, the movable anchor bolt rod 20 is directly inserted into the outer end 11a of the sleeve, and the movable anchor bolt rod 20 is fixedly connected to the outer end 11a of the sleeve; and then the pouring of the cast-in-place wall 20 is carried out.

[0028] Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor, any modification, equivalent replacement, improvement and the like should be included in the protection scope of the utility model.

Claims

1. A special anchor bolt assembly for prefabricated insulation panels, characterized in that, It includes a pre-embedded sleeve embedded in the prefabricated insulation board and a movable anchor rod detachably connected to the outer end of the pre-embedded sleeve, wherein the outer end of the pre-embedded sleeve is flush with the inner side of the prefabricated insulation board.

2. The dedicated anchor bolt assembly for the prefabricated insulation board according to claim 1, characterized in that, The prefabricated insulation board includes a pre-embedded steel mesh, and the pre-embedded sleeve is fixed on the steel mesh.

3. The special anchor bolt assembly for prefabricated insulation panels according to claim 2, characterized in that, The inner end of the pre-embedded sleeve is provided with a connecting through hole, and a flexible connector passing through the connecting through hole is also included. The pre-embedded sleeve is fixed to the steel mesh by the flexible connector.

4. The dedicated anchor bolt assembly for the prefabricated insulation board according to claim 1, characterized in that, A fixing plate is embedded in the prefabricated insulation board. The embedded sleeve includes a sleeve and a rod. One end of the rod is fixed to the fixing plate and the other end is fixed to the inner end of the sleeve.

5. The dedicated anchor bolt assembly for the prefabricated insulation board according to claim 4, characterized in that, The insertion rod is fixed to the inner end of the sleeve by a locking nut.

6. The dedicated anchor bolt assembly for the precast insulation board according to any one of claims 1 to 5, characterized in that, The movable anchor rod includes a connecting rod that is detachably connected to the outer end of the sleeve and an anchor bolt fixed to the end of the connecting rod.

7. The dedicated anchor bolt assembly for prefabricated insulation panels according to claim 6, characterized in that, The connecting rod is detachably connected to the outer end of the pre-embedded sleeve via a thread.

8. The dedicated anchor bolt assembly for the prefabricated insulation board according to claim 7, characterized in that, The outer end of the pre-embedded sleeve is provided with a threaded hole, and the end of the connecting rod of the movable anchor bolt is provided with an external thread.

9. The dedicated anchor bolt assembly for prefabricated insulation panels according to claim 8, characterized in that, The threaded hole wall has multiple circumferentially distributed notches, and the external thread is a tapered thread.

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