CN217557701U

CN217557701U - Three-section type wall bushing of pull bolt

Info

Publication number: CN217557701U
Application number: CN202123438032.4U
Authority: CN
Inventors: 傅宇馨; 刘坤; 吴镇彬; 梁文轩
Original assignee: Zhuhai Huafa Habitat Life Research Institute Co Ltd
Current assignee: Zhuhai Huafa Habitat Life Research Institute Co Ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-10-11
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a pull bolt three-section wall bushing relates to the building engineering field, the light-emitting diode comprises a wall body, run through on the wall body and seted up logical groove, the inside that leads to the groove is provided with the wall bushing, the both ends of wall bushing all are connected with the cone-shaped joint, one of them the gap department packing that cone-shaped joint and wall body inboard has first shutoff layer, another the gap department packing in the cone-shaped joint and the wall body outside has the second shutoff layer. The utility model discloses a gap department packing that is connected at outer wall and conical joint has the polyurethane foaming layer, and the gap department packing that is connected at inner chamber and conical joint has the dry and hard mortar layer, has improved wall bushing and wall connection's leakproofness, is provided with sealed arch and sealing layer in conical joint and the junction of rubber circle stopper, has improved the leakproofness that conical joint and rubber circle stopper are connected, has further improved the antiseep effect of this device.

Description

Three-section type wall bushing of pull bolt

Technical Field

The utility model relates to a building engineering field, in particular to stay bolt three-section wall bushing.

Background

As is well known, in the process of pouring a wall body of a basement or an outer wall, a screw rod is generally connected between formworks to fix the formworks and control the thickness of concrete pouring, when the formwork is removed after the wall body is completed, a water stop screw rod exposed outside the wall body is sawn off or detached manually, and in order to prevent the wall body from leaking water after detachment, an annular water stop sheet is generally welded on the screw rod; in such a way, a section of screw rod is left in the wall body anyway, so that the screw rod is difficult to reuse, great resource waste is caused, and great manpower and material resources are consumed in the disassembling process. Therefore, a wall bushing needs to be arranged in the wall body for fixing the bolt, but the existing wall bushing has the effect of water leakage of the outer wall due to the fact that sealing is not tight after installation. Therefore, it is necessary to provide a three-section type pull bolt wall bushing to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a stay bolt three-section wall bushing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a pull bolt three-section formula wall bushing, includes the wall body, run through on the wall body and seted up logical groove, the inside that leads to the groove is provided with the wall bushing, the sheathed tube both ends of wall bushing all are connected with the cone-type joint, one of them the gap department packing that cone-type joint and wall body are inboard has first shutoff layer, another the gap department packing that cone-type joint and wall body outside has the second shutoff layer, the most advanced fixedly connected with swivel nut of cone-type joint, the swivel nut is connected through interior external screw thread and wall bushing's tip inner wall, the rubber round plug has been pegged graft in the inner chamber of cone-type joint.

Preferably, the first blocking layer is a polyurethane foam layer, and the second blocking layer is a dry and hard mortar layer.

Preferably, a sealing bulge is bonded on the outer side of the middle of the rubber round plug, and the sealing bulge is attached to the inner wall of the conical joint.

Preferably, a sealing layer is bonded on the inner wall of the screw sleeve, and the sealing layer is attached to and connected with the outer side wall of one end of the rubber round plug.

Preferably, the inner walls of the two ends of the screw sleeve are respectively provided with a groove, the two sides of one end of the rubber round plug are respectively and fixedly connected with a limiting block, and the limiting blocks are matched with the grooves.

The utility model discloses a technological effect and advantage:

the utility model discloses a gap department packing that is connected at outer wall and conical joint has the polyurethane foaming layer, and the gap department packing that is connected at inner chamber and conical joint has the dry and hard mortar layer, has improved wall bushing and wall connection's leakproofness, is provided with sealed arch and sealing layer in conical joint and the junction of rubber circle stopper, has improved the leakproofness that conical joint and rubber circle stopper are connected, has further improved the antiseep effect of this device.

Drawings

Fig. 1 is a schematic sectional view of the overall structure of the present invention.

Fig. 2 is a schematic sectional view of the thread insert structure of the present invention.

Fig. 3 is a schematic side view of the thread insert structure of the present invention.

In the figure: 1. a wall body; 2. a through groove; 3. a wall bushing; 4. a tapered joint; 5. a first blocking layer; 6. a second blocking layer; 7. a threaded sleeve; 8. a rubber round plug; 81. sealing the protrusion; 9. a sealing layer; 10. a groove; 11. and a limiting block.

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.

The utility model provides a draw bolt three-section formula wall bushing as shown in fig. 1-3, including wall body 1, run through on the wall body 1 and seted up logical groove 2, the inside that leads to groove 2 is provided with wall bushing 3, wall bushing 3's both ends all are connected with conical joint 4, one of them conical joint 4 has first shutoff layer 5 with the gap department packing of 1 inboard of wall body, first shutoff layer 5 is the polyurethane foam layer, the gap department packing in another conical joint 4 and the 1 outside of wall body has second shutoff layer 6, second shutoff layer 6 is the dry and hard mortar layer of mixing the micro-expanding agent, first shutoff layer 5 and the cooperation of second shutoff layer 6 have improved the leakproofness of being connected through wall bushing 3 and wall body 1, conical joint 4's most advanced fixedly connected with swivel nut 7, swivel nut 7 has through inside and outside screw thread and the tip inner wall bushing 3 be connected, rubber circle 8 has been inserted in conical joint 4's inner chamber, rubber circle 8 has played the effect of sealing, rubber circle 8, the middle part outside of rubber circle 8 has protruding bonding and has the protruding sealed inner wall bushing 81 with the fixed inner wall bushing 3's of inner wall bushing inner wall, the stopper 11 that the recess of the sealing layer has all laminated effect of the stopper is connected with stopper 10, the stopper 10 has all has been connected the stopper 10, stopper 10 of stopper has been seted up stopper and has been connected the stopper 10, stopper effect of the stopper 10, stopper has been connected stopper 8 on the stopper, stopper 10, the stopper has all has been connected the stopper, stopper 10, the stopper has been connected the stopper 10, the stopper has been connected the stopper, the stopper 8 with stopper 11, the stopper 10 of the stopper, the stopper is connected the stopper, the stopper of the stopper, the stopper 10.

The utility model discloses the theory of operation:

when the device is installed, firstly, the wall bushing 3 is placed in the through groove 2 on the wall body 1, then the two conical connectors 4 are respectively fixed at two ends of the wall bushing 3 through the threaded sleeves 7, one end face of each conical connector 4 is flush with the wall surface after being screwed down, then the first plugging layer 5 (namely a polyurethane foaming layer) is filled in the gap between the outer side of the wall body 1 and the conical connector 4, the second plugging layer 6 (namely a dry and hard mortar layer doped with a micro expanding agent) is filled in the gap between the inner side of the wall body 1 and the conical connector 4, so that the wall body 1 is hermetically connected with the wall bushing 3, then the rubber round plug 8 is inserted into the threaded sleeves 7 through the conical connectors 4, the limiting block 11 on the rubber round plug 8 penetrates through the groove 10 on the threaded sleeves 7, then the rubber round plug 8 is rotated, so that the limiting block 11 is staggered with the groove 10, the limiting block 11 plays a limiting role at the moment, so that the installation of the rubber round plug 8 is stable, meanwhile, the sealing bulges 81 and 9 are matched to play a role in strengthening sealing, and improving the anti-leakage effect of the device.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a stay bolt three-section formula wall bushing, includes wall body (1), its characterized in that: the wall body (1) is provided with a through groove (2) in a penetrating mode, a wall penetrating sleeve (3) is arranged inside the through groove (2), two ends of the wall penetrating sleeve (3) are connected with conical connectors (4), one of the conical connectors (4) is filled with a first blocking layer (5) at the inner side of the wall body (1), the other conical connector (4) is filled with a second blocking layer (6) at the outer side of the wall body (1), the tip of each conical connector (4) is fixedly connected with a threaded sleeve (7), the threaded sleeve (7) is connected with the inner wall of the end of the wall penetrating sleeve (3) through inner and outer threads, and a rubber round plug (8) is inserted into the inner cavity of each conical connector (4).

2. A pull bolt three-section wall bushing according to claim 1, wherein: the first blocking layer (5) is a polyurethane foaming layer, and the second blocking layer (6) is a dry and hard mortar layer.

3. A tension bolt three-section wall bushing according to claim 2, characterized in that: the middle outer side of the rubber round plug (8) is bonded with a sealing bulge (81), and the sealing bulge (81) is attached to the inner wall of the conical joint (4).

4. A tension bolt three-section wall bushing according to claim 3, wherein: the inner wall of the threaded sleeve (7) is bonded with a sealing layer (9), and the sealing layer (9) is attached to and connected with the outer side wall of one end of the rubber round plug (8).

5. A stay bolt three-section wall bushing according to claim 4, wherein: grooves (10) are formed in the inner walls of the two ends of the screw sleeve (7), limiting blocks (11) are fixedly connected to the two sides of one end of the rubber round plug (8), and the limiting blocks (11) are matched with the grooves (10).