CN215214262U

CN215214262U - Gas-proof shock wave-resistant bolt

Info

Publication number: CN215214262U
Application number: CN202121604322.9U
Authority: CN
Inventors: 李红霞
Original assignee: Beijing Dingli Zhicheng Engineering Technology Co ltd
Current assignee: Beijing Dingli Zhicheng Engineering Technology Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2021-12-17
Anticipated expiration: 2031-07-14

Abstract

The utility model discloses a gas-proof shock wave-resistant bolt, which belongs to the technical field of bolts and comprises a steel bolt, two fastening components and two sealing components, wherein the fastening components are sleeved on the steel bolt, the two sealing components are arranged on the steel bolt and positioned at two sides of the fastening components, the fastening components comprise an expansion piece, a first expansion piece and a second expansion piece, two sides of the expansion piece are respectively provided with expansion openings, the first expansion piece and the second expansion piece are respectively arranged at two sides of the expansion piece, the first expansion piece and the second expansion piece are contrastingly embedded into the expansion openings at two sides of the expansion piece, the expansion openings at two sides of the expansion piece can be expanded and tightly occluded and fixed with a notch by fastening the first expansion piece and the second expansion piece, the expansion openings and the notch are arranged at two sides of the expansion piece for occlusion, the fastening stability of the steel bolt can be greatly increased.

Description

Gas-proof shock wave-resistant bolt

Technical Field

The utility model relates to a bolt technical field especially relates to a prevent gaseous ripples bolt that shocks resistance.

Background

The stagnant water bolt also is split type stagnant water screw rod, waterproof screw rod, and it is the stagnant water that is used for basement shear force wall or civil air defense wall and the effect of consolidating and control template, thereby stagnant water bolt material has high strength steel to make the tensile bearing capacity that can guarantee the bolt, and it lies in with ordinary wall screw rod difference of wearing:

1. a water stop sheet is arranged in the middle of the water stop screw rod;

2. when the form is removed, the common wall-through screw rod is integrally drawn out for repeated use, the middle section is left on the wall body after the water-stopping screw rod saws off two ends outside the wall, so as to ensure the watertightness of the wall body

However, the water-stopping bolt in the prior art can only be fastened in a single direction in the installation process, and the water-stopping bolt can be loosened when external force is applied to pull the water-stopping bolt from opposite directions, so that the sealing and waterproof performance of the bolt is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An embodiment of the utility model provides a prevent gaseous shock wave bolt that shocks resistance to the fastening direction of the stagnant water bolt among the solution prior art is single, leads to the not hard up technical problem of stagnant water bolt easily.

The embodiment of the utility model provides an adopt following technical scheme: a gas-proof anti-shock wave bolt comprises a steel bolt, two fastening components and two sealing components, wherein the fastening components are sleeved on the steel bolt, and the two sealing assemblies are both arranged on the steel bolt and positioned at two sides of the fastening assembly, the fastening assembly consists of an expansion piece, a first expansion piece and a second expansion piece, the two sides of the expansion piece are respectively provided with an expansion opening, the first expansion piece and the second expansion piece are respectively arranged on the two sides of the expansion piece, and the first expanding piece and the second expanding piece are relatively embedded into the expanding openings at two sides of the expanding piece, expand through the first tight piece that expands of fastening and second and expand the opening that expands a both sides and strut with the inseparable interlock of notch is fixed, the utility model discloses a both sides expanding the piece all are equipped with expand the opening and carry out the interlock with the notch, can greatly increased steel bolt's fastening stability.

Further, seal assembly comprises extrusion nut, first steel gasket, elasticity seal ring and second steel gasket, extrusion nut, first steel gasket, elasticity seal ring and second steel gasket are established in proper order and are established on the steel bolt, and extrusion nut is in the outside of steel bolt, all install back fastening extrusion nut in proper order as extrusion nut, first steel gasket, elasticity seal ring and second steel gasket, pressurize first steel gasket, elasticity seal ring and second steel gasket through extrusion nut, the pressure that produces between first steel gasket and the second steel gasket makes the elasticity seal ring compress tightly the inflation this moment to make elasticity seal ring and the inseparable laminating realization of notch sealed.

Further, the both sides of steel bolt have been annotated sealing filler, can fill the notch of wall through the sealing filler that sets up, thereby increased the utility model discloses a leakproofness.

Further, the sealing filler is epoxy resin sealant.

Further, expand and be equipped with the interlock tooth on expanding open-ended outer terminal surface, the interlock tooth through setting up can closely interlock with the notch, thereby increased the utility model discloses an installation stability.

The embodiment of the utility model provides an above-mentioned at least one technical scheme who adopts can reach following beneficial effect:

one of the two, the utility model discloses a fastening first tight piece that expands and the second tight piece that expands can expand the opening that expands a both sides and strut with the inseparable interlock of notch fixed, the utility model discloses a both sides expanding the piece all are equipped with expand the opening and carry out the interlock with the notch, can greatly increased steel bolt's fastening stability.

And secondly, the utility model discloses an extrusion nut pressurizes first steel gasket, elasticity stagnant water ring and second steel gasket, and the pressure that produces between first steel gasket and the second steel gasket this moment makes the elasticity stagnant water ring compress tightly the inflation to it is sealed to make elasticity stagnant water ring closely laminate with the notch realization.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic view of the state of the present invention installed in the notch.

Reference numerals

The sealing device comprises a steel bolt 1, a fastening assembly 2, an expansion piece 21, an expansion opening 211, an engagement tooth 212, a first expansion piece 22, a second expansion piece 23, a sealing assembly 3, a squeezing nut 31, a first steel gasket 32, an elastic water stop ring 33, a second steel gasket 34 and a sealing filler 4.

Detailed Description

To make the purpose, technical solution and advantages of the present invention clearer, the following will combine the embodiments of the present invention and the corresponding drawings to clearly and completely describe the technical solution of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and 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 technical solutions provided by the embodiments of the present invention are described in detail below with reference to the accompanying drawings.

The embodiment of the utility model provides a prevent gaseous shock wave bolt that shocks resistance, including steel bolt 1, fastening components 2 and seal assembly 3, fastening components 2 cover is established on steel bolt 1, seal assembly 3 is equipped with two, and two seal assembly 3 all install on steel bolt 1 and be in the both sides of fastening components 2, fastening components 2 comprises expansion piece 21, first expansion piece 22 and second expansion piece 23, the both sides of expansion piece 21 all are equipped with expand opening 211, first expansion piece 22 and second expansion piece 23 set up respectively in the both sides of expansion piece 21, and first expansion piece 22 and second expansion piece 23 contrast embedding expand in the expansion opening 211 of the both sides of expansion piece 21, can expand the expansion opening 211 of expansion piece 21 both sides and closely the notch interlock is fixed through fastening first expansion piece 22 and second expansion piece 23, the utility model discloses a both sides of expansion piece 21 are equipped with opening 211 and the notch interlock, the fastening stability of the steel bolt 1 can be greatly increased.

Preferably, seal assembly 3 comprises extrusion nut 31, first steel pad 32, elasticity seal ring 33 and second steel pad 34, extrusion nut 31, first steel pad 32, elasticity seal ring 33 and second steel pad 34 overlap in proper order and establish on steel bolt 1, and extrusion nut 31 is in the outside of steel bolt 1, and fastening extrusion nut 31 after extrusion nut 31, first steel pad 32, elasticity seal ring 33 and second steel pad 34 are all installed in proper order, pressurize first steel pad 32, elasticity seal ring 33 and second steel pad 34 through extrusion nut 31, and the pressure that produces between first steel pad 32 and the second steel pad 34 makes elasticity seal ring 33 compress tightly the inflation this moment to make elasticity seal ring 33 and the inseparable laminating realization of notch seal ring.

Preferably, steel bolt 1's both sides have been annotated with sealing filler 4, can fill the notch of wall through the sealing filler 4 that sets up, thereby increased the utility model discloses a leakproofness.

Preferably, the sealing filler 4 is an epoxy resin sealant.

Preferably, be equipped with interlock tooth 212 on expanding the outer terminal surface of opening 211, interlock tooth 212 through setting up can closely interlock with the notch to the installation stability of the utility model has been increased.

The utility model discloses when the installation, at first need carry out the fluting to the wall, then pierce through the notch with steel bolt 1, expand and expand a 21 cover and establish the middle part at steel bolt 1, then embolia first bloated piece 22 and second bloated piece 23 respectively from the both sides of steel bolt 1, and make first bloated piece 22 and second bloated piece 23 imbed to expand and expand the bloated opening 211 department of piece 21, fasten first bloated piece 22 and second bloated piece 23 respectively, the bloated piece 21 that expands struts and the close interlock of notch is accomplished fixedly, install seal assembly 3 in the both sides of steel bolt 1, extrusion nut 31, first steel pad 32, elasticity seal ring 33 and second steel pad 34 overlap in proper order and establish on steel bolt 1, then compression nut 31, the pressure that produces between first steel pad 32 and the second steel pad 34 at this moment makes elasticity seal ring 33 compress tightly the inflation, thereby make elasticity seal ring 33 and the close laminating of notch realize sealedly, and finally, filling epoxy resin sealant into two sides of the steel bolt 1 to realize sealing.

The above description is only an example of the present invention, and is not intended to limit the present invention. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.

Claims

1. The utility model provides a prevent gaseous shock wave bolt which characterized in that: including steel bolt (1), fastening components (2) and seal assembly (3), fastening components (2) cover is established on steel bolt (1), seal assembly (3) are equipped with two, and two seal assembly (3) all install on steel bolt (1) and are in the both sides of fastening components (2), fastening components (2) expand tie member (23) by expanding and expand piece (21), first tight piece (22) and the second of expanding and constitute, expand the both sides that expand piece (21) and all be equipped with to expand and expand opening (211), first tight piece (22) and the second that expand set up respectively in the both sides that expand piece (21), and first tight piece (22) and the second expand tie member (23) contrast embedding to expand the expansion of the both sides that expand piece (21) and expand in opening (211).

2. The gas blast resistant bolt of claim 1, further comprising: seal assembly (3) comprises extrusion nut (31), first steel pad (32), elasticity seal ring (33) and second steel pad (34), extrusion nut (31), first steel pad (32), elasticity seal ring (33) and second steel pad (34) are established in proper order and are established on steel bolt (1), and extrusion nut (31) are in the outside of steel bolt (1).

3. The gas blast resistant bolt of claim 1, further comprising: and sealing fillers (4) are filled on two sides of the steel bolt (1).

4. A gas shock wave resistant bolt according to claim 3 wherein: the sealing filler (4) is epoxy resin sealant.

5. The gas blast resistant bolt of claim 1, further comprising: and the outer end face of the expansion opening (211) is provided with meshing teeth (212).