CN210827857U

CN210827857U - Fastening device of steel structure

Info

Publication number: CN210827857U
Application number: CN201921320366.1U
Authority: CN
Inventors: 张童; 朱争光; 李娜; 李燕
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-06-23
Anticipated expiration: 2029-08-14

Abstract

The utility model discloses a fastening device of a steel structure, which comprises an inner sleeve and an outer sleeve, wherein the outer sleeve is arranged on the outer side of the inner sleeve, a main shell is arranged in an elastic shell, a sleeve shell is welded at the front end of the main shell, a reset spring and a locking screw are arranged in a rebound groove in the elastic shell, when a crossbeam reaches the rebound groove through the sleeve shell and the inner part of the main shell, the locking screw is fixed through a locking nut on the outer side, the locking screw and the elastic shell can be disassembled during maintenance and disassembly, the elastic shell is popped out and disassembled by the reset spring, the main shell and the sleeve shell are disassembled again, the situation that the crossbeam is seriously damaged and the crossbeam and the fastening device can not be disassembled and damaged due to long-time corrosion is avoided, the outer sleeve is arranged on the outer side of the sleeve shell, the outward rotating sleeve is arranged in the sleeve shell through the torsion shaft, and the sleeve clamping blocks are embedded in the bayonet of the, the fastening strength and the safety of the fastening device are improved, and the service life of the fastening device is prolonged.

Description

Fastening device of steel structure

Technical Field

The utility model relates to a fastener technical field specifically is a fastener of steel construction.

Background

The steel structure is a structure formed by steel materials, is one of main building structure types, and mainly comprises steel beams, steel columns, steel trusses and other members made of section steel, steel plates and the like, wherein all the members or components are usually connected by welding seams, bolts or rivets, and the steel structure is light in self weight and simple and convenient to construct, and is widely applied to the fields of large-scale factory buildings, venues, super high-rise buildings and the like.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a fastening device of a steel structure, a main shell is arranged in an elastic piece shell, a sleeve shell is welded at the front end of the main shell, a reset spring and a locking screw rod are arranged in a rebound groove in the elastic piece shell, when a beam passes through the sleeve shell and the inner part of the main shell reaches the rebound groove, the reset spring is inwards compressed and is arranged in the beam by the screw rod and is fixed by a locking nut at the outer side, the locking screw rod and the elastic piece shell can be disassembled during maintenance and disassembly, the elastic piece shell is popped out and disassembled by the reset spring, the main shell and the sleeve shell are disassembled again, the beam is prevented from being seriously damaged and the beam and the fastening device are damaged due to long-time corrosion, an external sleeve is arranged at the outer side of the sleeve shell, the external rotary sleeve is arranged in the sleeve shell by twisting of a torsion shaft, and the sleeve clamping block is embedded in a sleeve bayonet to complete the fixation, the fastening strength and the safety of the fastening device are improved, and the problems in the prior art can be solved.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a fastener of steel construction, includes interior external member and outer sleeve member, the outer sleeve member of outside installation of interior external member.

The internal member comprises an elastic piece shell, a main shell, a sleeve shell, a locking nut, a rebound groove, a locking screw, a reset spring, a pin groove, a fixed pin, a mounting bolt, a bolt locking groove and a sleeve bayonet, wherein the inner side of the elastic piece shell is provided with the rebound groove, the inner bottom end of the rebound groove is provided with the reset spring, the inner side of the reset spring is provided with the locking screw, the top end of the locking screw is provided with the locking nut, the inner front end of the elastic piece shell is provided with the main shell, the front end of the main shell is provided with the sleeve shell, the elastic piece shell at the joint of the elastic piece shell and the main shell is provided with a plurality of fixed pins, the part of the main shell, which is positioned at the fixed pins, is provided with the pin groove, the outer front end of the elastic piece shell is provided with a plurality of mounting bolts, and the outer rear end of the main, and a sleeve bayonet is arranged on the outer side of the sleeve shell.

The outer sleeve part comprises a fixed pipe, a steel pipe connecting groove, a rotating seat, a torsion shaft, an outward-rotating sleeve and a sleeve clamping block, the steel pipe connecting groove is formed in the fixed pipe, the upper side and the lower side of the tail end of the fixed pipe are respectively provided with the rotating seat, the torsion shaft is installed in the rotating seat, the outward-rotating sleeve is installed on the torsion shaft, and the sleeve clamping block is arranged in the outward-rotating sleeve.

Preferably, the sleeve block is embedded in the sleeve bayonet.

Preferably, torsion springs are respectively installed at both ends of the torsion shaft.

Preferably, the locking screw extends through the elastomeric body housing.

Preferably, the mounting bolt extends through the spring housing and is mounted into the bolt locking slot.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a fastening device of steel construction, install main casing in the elastic component shell, and weld the sleeve pipe shell at main casing front end, install reset spring and locking screw in the rebound groove in the elastic component shell, when the crossbeam passes through the sleeve pipe shell, the main casing inside arrives in the rebound groove, inwards compress the reset spring, and utilize locking screw to install into the crossbeam, and fix through the outside lock nut, accessible dismantlement locking screw and elastic component shell when maintaining and dismantling, utilize reset spring to pop out the elastic component shell and dismantle, lift off main casing and sleeve pipe shell again, avoid long-time corrosion to lead to the crossbeam to damage seriously unable dismantlement and damage crossbeam and fastening device, install the overcoat piece outside the sleeve pipe shell, make the external rotation sleeve pipe install in the sleeve pipe shell through torsion shaft torsion, and utilize the sleeve pipe block inlay card to accomplish the fixing in the sleeve pipe bayonet socket, the utility model discloses it is complete reasonable to have a complete structure, avoids long-time corrosion to lead to the crossbeam to damage serious unable dismantlement and damage crossbeam and fastener, effectively improves fastener's fastening strength and security, prolongs its life simultaneously.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic cross-sectional structural view of the inner sleeve of the present invention;

fig. 3 is a schematic cross-sectional view of the outer sleeve member of the present invention;

fig. 4 is a schematic sectional view of the external rotation casing of the external casing according to the present invention.

In the figure: 1. an inner sleeve member; 101. an elastic member housing; 102. a main housing; 103. a cannula housing; 104. a locking nut; 105. a rebound groove; 106. locking the screw rod; 107. a return spring; 108. a latch slot; 109. fixing the bolt; 1010. installing a bolt; 1011. a bolt locking groove; 1012. a sleeve bayonet; 2. an outer sleeve member; 21. a fixed tube; 22. connecting grooves of the steel pipes; 23. a rotating base; 24. a torsion shaft; 25. an external rotation sleeve; 26. and (4) a sleeve clamping 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.

Referring to fig. 1, a fastening device for a steel structure includes an inner sleeve member 1 and an outer sleeve member 2, wherein the outer sleeve member 2 is installed outside the inner sleeve member 1.

Referring to fig. 2, the internal member 1 includes an elastic member casing 101, a main casing 102, a sleeve casing 103, a lock nut 104, a resilient slot 105, a lock screw 106, a return spring 107, a latch slot 108, a fixing latch 109, a mounting bolt 1010, a bolt locking slot 1011, and a sleeve bayonet 1012, the elastic member casing 101 is provided with the resilient slot 105 on the inner side thereof, the return spring 107 is provided at the bottom end of the resilient slot 105, the lock screw 106 is provided on the inner side of the return spring 107, the lock screw 106 penetrates the elastic member casing 101, the lock nut 104 is provided at the top end of the lock screw 106, the main casing 102 is provided at the front end of the inner side of the elastic member casing 101, the sleeve casing 103 is provided at the front end of the main casing 102, the elastic member casing 101 at the connection position of the elastic member casing 101 and the main casing 102 is provided with a plurality of fixing latches 109, the main casing 102 is provided with the latch slot 108 at the position of the fixing latch 109, the outer, the mounting bolts 1010 penetrate through the elastic member shell 101 and are mounted into the bolt locking grooves 1011, the bolt locking grooves 1011 are formed in the rear end of the outer side of the main shell 102, and the sleeve bayonets 1012 are formed in the outer side of the sleeve shell 103.

Referring to fig. 3-4, the outer sleeve 2 includes a fixed tube 21, a steel tube connecting groove 22, a rotating seat 23, a torsion shaft 24, an outward-rotation sleeve 25 and a sleeve-clamping block 26, the steel tube connecting groove 22 is disposed inside the fixed tube 21, the rotating seat 23 is disposed on each of the upper and lower sides of the end of the fixed tube 21, the torsion shaft 24 is mounted in the rotating seat 23, torsion springs are mounted at each of the two ends of the torsion shaft 24, the outward-rotation sleeve 25 is mounted on the torsion shaft 24, the sleeve-clamping block 26 is disposed inside the outward-rotation sleeve 25, and the sleeve-clamping block 26 is clamped and embedded in the sleeve-clamping opening.

The utility model discloses difference with prior art: when the fastening device of the prior art is installed at the tail end of a cross beam or a house beam, because the fastening device is not used for a long time, when maintenance or disassembly and repair are carried out, the cross beam structure is corroded, so that the cross beam cannot be taken out from the fastening structure, if the cross beam is taken out by force, the cross beam can be damaged, the fastening device of the steel structure of the utility model has the advantages that the main shell 102 is installed in the elastic part shell 101, the sleeve shell 103 is welded at the front end of the main shell 102, the reset spring 107 and the locking screw 106 are installed in the rebound groove 105 in the elastic part shell 101, when the cross beam reaches the rebound groove 105 through the sleeve shell 103 and the main shell 102, the reset spring 107 is inwards compressed and is installed in the cross beam by the locking screw 106 and is fixed by the locking nut 104 on the outer side, when maintenance and disassembly are carried out, the locking screw 106 and the elastic part shell 101 can be disassembled by disassembling, the reset, and then the main shell 102 and the sleeve shell 103 are disassembled to avoid serious damage of the cross beam caused by long-time corrosion and the failure of disassembling and damaging the cross beam and the fastening device, the outer sleeve part 2 is arranged on the outer side of the sleeve shell 103, so that the external rotation sleeve 25 is arranged in the sleeve shell 103 in a twisting way through the twisting shaft 24, and is clamped and embedded in the sleeve bayonet 1012 by the sleeve clamping block 26 to complete fixation, thereby improving the fastening strength and the safety of the fastening device.

In summary, the following steps: the utility model discloses fastener of steel construction, install main shell 102 in elastic component shell 101, and weld sleeve shell 103 at main shell 102 front end, install reset spring 107 and locking screw 106 in resilience groove 105 in elastic component shell 101, when the crossbeam passes through sleeve shell 103, the inside of main shell 102 arrives in resilience groove 105, inwards compress reset spring 107, and utilize locking screw 106 to install in the crossbeam, and fix through outside lock nut 104, accessible dismantlement locking screw 106 and elastic component shell 101 when maintaining the dismantlement, utilize reset spring 107 to pop out elastic component shell 101 and dismantle, lift main shell 102 and sleeve shell 103 off again, avoid long-time corrosion to lead to the crossbeam to damage seriously unable dismantlement and damage crossbeam and fastener, install overcoat piece 2 in the outside of sleeve shell 103, make outer rotary sleeve 25 twist through torsion shaft 24 and install in sleeve shell 103, and utilize sleeve pipe fixture block 26 inlay card to accomplish fixedly in sleeve pipe bayonet socket 1012, the utility model discloses it is complete reasonable to have a structure, avoids long-time corrosion to lead to the crossbeam to damage serious unable dismantlement and damage crossbeam and fastener, effectively improves fastener's fastening strength and security, prolongs its life simultaneously.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fastener of steel construction, includes endotheca (1) and outer cover (2), its characterized in that: an outer sleeve piece (2) is arranged on the outer side of the inner sleeve piece (1);

the internal member (1) comprises an elastic piece shell (101), a main shell (102), a sleeve shell (103), a locking nut (104), a resilience groove (105), a locking screw (106), a reset spring (107), a bolt groove (108), a fixed bolt (109), a mounting bolt (1010), a bolt locking groove (1011) and a sleeve bayonet (1012), wherein the inner side of the elastic piece shell (101) is provided with the resilience groove (105), the inner bottom end of the resilience groove (105) is provided with the reset spring (107), the inner side of the reset spring (107) is provided with the locking screw (106), the top end of the locking screw (106) is provided with the locking nut (104), the front end of the inner side of the elastic piece shell (101) is provided with the main shell (102), the front end of the main shell (102) is provided with the sleeve shell (103), and the elastic piece shell (101) at the joint of the elastic piece shell (101) and the main shell (102) is provided with a plurality of fixed bolts (109), a bolt slot (108) is formed in the position, located on a fixing bolt (109), of the main shell (102), a plurality of mounting bolts (1010) are arranged at the front end of the outer side of the elastic piece shell (101), a plurality of bolt locking slots (1011) are formed in the rear end of the outer side of the main shell (102), and a sleeve bayonet (1012) is formed in the outer side of the sleeve shell (103);

the outer sleeve part (2) comprises a fixed pipe (21), a steel pipe connecting groove (22), a rotary seat (23), a torsion shaft (24), an outer rotary sleeve (25) and a sleeve clamping block (26), the steel pipe connecting groove (22) is arranged inside the fixed pipe (21), the rotary seat (23) is arranged on the upper side and the lower side of the tail end of the fixed pipe (21) respectively, the torsion shaft (24) is installed in the rotary seat (23), the outer rotary sleeve (25) is installed on the torsion shaft (24), and the sleeve clamping block (26) is arranged inside the outer rotary sleeve (25).

2. The fastening device of a steel structure according to claim 1, characterized in that: the sleeve clamping block (26) is clamped and embedded in the sleeve clamping opening (1012).

3. The fastening device of a steel structure according to claim 1, characterized in that: and torsion springs are respectively arranged at two ends of the torsion shaft (24).

4. The fastening device of a steel structure according to claim 1, characterized in that: the locking screw (106) penetrates through the elastic piece shell (101).

5. The fastening device of a steel structure according to claim 1, characterized in that: the mounting bolt (1010) penetrates through the elastic piece shell (101) and is mounted into a bolt locking groove (1011).