CN220538891U - Steel structure net rack connection structure - Google Patents

Abstract

The utility model provides a steel structure net rack connecting structure, which comprises a lower connecting block, wherein the top of the lower connecting block is fixedly connected with a fixed rod, the outer side of the fixed rod is sleeved with a lantern ring, the outer side of the lantern ring is fixedly connected with four first connecting lugs distributed at equal intervals, the inner side of each first connecting lug is provided with a steel rod, one opposite side between the steel rods is fixedly connected with a second connecting lug, a buffer cylinder is arranged between the second connecting lugs, both sides of the inside of the buffer cylinder are provided with limiting sliding grooves, the inside of the buffer cylinder is provided with a buffer spring, both ends of the buffer spring are fixedly connected with limiting rods, and one side of the limiting rod, which is far away from the buffer spring, is fixedly connected with a connecting rod. According to the utility model, the steel rod, the second connecting lug, the buffer cylinder, the connecting rod, the limiting chute, the limiting rod and the buffer spring are matched for use, so that the buffer protection effect is realized on the steel rod, the independent stress of a certain connecting part is avoided, the phenomenon of insufficient support of the steel structure net rack caused by external pressure is avoided, and the connection reliability is improved.

Description

Steel structure net rack connection structure

Technical Field

The utility model mainly relates to the technical field of steel structure net racks, in particular to a steel structure net rack connecting structure.

Background

The chord members of the net frame are perpendicular to the boundary and are called as normal net frames, and the net frames are obliquely crossed with the boundary and are spatial structures formed by connecting a plurality of rod members through nodes according to a certain grid form, so that the net frame has the advantages of small space stress, light weight, high rigidity, good earthquake resistance and the like; the roof can be used as a roof of buildings such as gymnasiums, movie theaters, exhibition halls, waiting halls, stadium stand awning, hangars, two-way large-column-space workshops and the like; the connection point of the steel structure net rack usually adopts a welding or threaded connection mode, wherein the welded structure is difficult to operate, the welding point is easy to fracture, and therefore the common situation is that a connecting block is arranged between adjacent connecting rods in a threaded connection mode, threaded holes are formed in the connecting blocks, and threads which are screwed in a matched mode with the threaded holes are formed in each steel rod piece.

Through retrieval, chinese patent CN216475582U discloses a steel structure net rack connecting structure, which comprises a connecting block body, wherein a cavity is formed in the connecting block body, a supporting column is connected to the middle part of the cavity, four partition boards are connected in the cavity, the partition boards divide the cavity into four moving cavities, connecting cylinders are connected in the moving cavities, threaded grooves for connecting steel rods are formed in the connecting cylinders, and a plurality of through holes with the same aperture as the connecting cylinders are formed in the outer part of the connecting block body; the connecting cylinder is rotationally connected to the supporting column through a hinge structure; the connecting structure is suitable for connecting steel structure net racks of different space structures, the application range of the connecting structure is enlarged, the functionality of the connecting structure is increased, meanwhile, the steel rods are fixedly connected in a threaded connection mode, the stability of the steel rods after connection is enhanced, and workers can operate conveniently in the installation process.

In the technical scheme of the patent, the steel rod is connected and fixed in a threaded connection mode, so that the stability of the steel rod after connection is enhanced, and workers can operate conveniently in the installation process. However, in the use process of the technical scheme, since the steel rods are fixed with the connecting block body through the bolts, when vibration occurs, buffer measures are not provided between the steel rods, the bolts which are connected with the steel rods and the connecting block body bear larger acting force, and the acting force acts on the threads to easily shear the threads so as to cause the bolts to fail, so that the connection reliability is affected. Therefore, there is a need to develop a steel structure grid connection structure to solve the above-mentioned drawbacks.

Disclosure of Invention

The utility model mainly provides a steel structure net frame connecting structure which is used for solving the technical problems in the background technology.

The technical scheme adopted for solving the technical problems is as follows:

the utility model provides a steel construction rack connection structure, includes the connecting block down, connecting block top fixedly connected with dead lever down, connecting block on dead lever top fixedly connected with, the dead lever outside cover is equipped with the lantern ring, the four equidistant first engaging lugs that distribute of lantern ring outside fixedly connected with, first engaging lug inboard is equipped with the steel pole, the jack has been seted up at the steel pole top, adjacent two equal fixedly connected with second engaging lug in opposite one side of steel pole, adjacent two all be equipped with the buffer tube between the steel pole, spacing spout has all been seted up to the inside both sides of buffer tube, the inside buffer spring that is equipped with of buffer tube, the equal fixedly connected with gag lever post in buffer spring both ends, one side fixedly connected with connecting rod that buffer spring was kept away from to the gag lever post.

Further, the lantern ring is rotationally connected with the fixed rod, the number of the steel rods is four, and the four steel rods are rotationally connected with four first connecting lugs arranged on the outer side of the lantern ring respectively.

Further, one end of the connecting rod, which is far away from the limiting rod, penetrates through the buffer cylinder in a sliding manner and is rotationally connected with the second connecting lug.

Furthermore, the two ends of the limiting rod are in sliding connection with limiting sliding grooves formed in the two sides of the inside of the buffer cylinder, and a damper is arranged in the buffer spring.

Further, a plurality of lower limit arc grooves which are distributed at equal intervals are formed in the top of the lower connecting block, and a plurality of upper limit arc grooves which are distributed at equal intervals are formed in the top of the upper connecting block.

Further, the number of the lower limit arc grooves and the upper limit arc grooves is four, the four lower limit arc grooves correspond to the four positions of the upper limit arc grooves respectively, bolts are inserted through the upper limit arc grooves, the jacks and the inner parts of the lower arc grooves in a sliding mode, nuts are connected to the lower ends of the bolts in a threaded mode, and the tops of the nuts are attached to the bottoms of the lower connecting blocks.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the steel rod, the second connecting lug, the buffer cylinder, the connecting rod, the limiting chute, the limiting rod and the buffer spring are matched for use, the steel rod is rotationally connected with the first connecting lug, so that the steel rod can rotate relative to the lantern ring, and the lantern ring is sleeved with the fixed rod, so that the steel rod is indirectly connected with the lower connecting block and the upper connecting block, and the assembly of the steel rod is completed; then rotate the second engaging lug that sets up two connecting rods on the section of thick bamboo respectively with two relative settings and be connected, when vibrations appear in whole steel construction rack, the steel pole can give the connecting rod with effort, and after the connecting rod received effort, slide along spacing spout through the gag lever post, unload the effort through extrusion buffer spring to play the effect of buffering protection to the steel pole, avoid certain connecting component independent atress, avoid the steel construction rack to lead to the support not enough because external pressure, improved the connection reliability.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic top view of the lower connecting block of the present utility model;

FIG. 3 is a schematic top view of the inner part of the buffer cylinder of the present utility model;

fig. 4 is an enlarged view at a in fig. 3.

In the figure: 1. a lower connecting block; 101. a lower limit arc groove; 102. an upper connecting block; 103. an upper limit arc groove; 104. a fixed rod; 105. a bolt; 2. a collar; 201. a first connection lug; 202. a steel rod; 203. a second connecting ear; 204. a jack; 3. a buffer tube; 301. a connecting rod; 302. limiting sliding grooves; 303. a limit rod; 304. and a buffer spring.

Detailed Description

In order that the utility model may be more fully understood, a more particular description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.

Referring to fig. 1-4, a steel structure grid connection structure includes a lower connection block 1, a fixing rod 104 fixedly connected with the top of the lower connection block 1, an upper connection block 102 fixedly connected with the top of the fixing rod 104, a collar 2 sleeved outside the fixing rod 104, four equally spaced first connection lugs 201 fixedly connected with the collar 2, a steel rod 202 arranged on the inner side of the first connection lug 201, a jack 204 arranged at the top of the steel rod 202, two adjacent steel rods 202 with opposite sides fixedly connected with second connection lugs 203, a buffer barrel 3 arranged between the two adjacent steel rods 202, limit sliding grooves 302 arranged on two sides of the inner portion of the buffer barrel 3, buffer springs 304 arranged inside the buffer barrel 3, limit rods 303 fixedly connected with the two ends of the buffer springs 304, and a connecting rod 301 fixedly connected with one side of the limit rods 303 far away from the buffer springs 304.

The number of the steel rods 202 is four, the four steel rods 202 are respectively rotationally connected with four first connecting lugs 201 arranged on the outer side of the sleeve ring 2, the steel rods 202 are rotationally connected with the first connecting lugs 201, the steel rods 202 can rotate relative to the sleeve ring 2, the sleeve ring 2 is sleeved with the fixing rods 104, and therefore the steel rods 202 are indirectly connected with the lower connecting block 1 and the upper connecting block 102, and assembly of the steel rods 202 is completed.

Wherein, the one end that gag lever post 303 was kept away from to connecting rod 301 runs through buffer tube 3 and second engaging lug 203 in a sliding way and rotates to be connected, the spacing spout 302 sliding connection that gag lever post 303 both ends and buffer tube 3 inside both sides were seted up, and buffer spring 304 inside is equipped with the attenuator, rotate two connecting rods 301 that set up on the buffer tube 3 respectively with two second engaging lugs 203 that set up relatively and be connected, when vibrations appear in whole steel construction rack, steel pole 202 can give connecting rod 301 with the effort, after connecting rod 301 receives the effort, slide along spacing spout 302 through gag lever post 303, unload the effort through extrusion buffer spring 304, thereby play buffering protection's effect to steel pole 202, avoid certain connecting component atress alone, make the phenomenon that the steel construction rack can not appear leading to the support not enough because external pressure, connection reliability has been improved.

Wherein, lower spacing arc wall 101 that a plurality of equidistance distributes has been seted up at lower connecting block 1 top, go up the last spacing arc wall 103 that a plurality of equidistance distributes has been seted up at connecting block 102 top, the number of lower spacing arc wall 101 and last spacing arc wall 103 is four, four lower spacing arc wall 101 respectively with the position correspondence of four last spacing arc wall 103, and go up spacing arc wall 103, jack 204 and the inside joint slip of arc wall 101 has run through bolt 105 down, and bolt 105 lower extreme threaded connection has the nut, the nut top is laminated mutually with lower connecting block 1 bottom, with bolt 105 alternate in proper order and go up spacing arc wall 103, jack 204 and lower spacing arc wall 101 and threaded connection nut, further strengthened steel pole 202 and lower connecting block 1 and go up connecting block 102 and connect the steadiness.

The specific operation mode of the utility model is as follows: firstly, the steel rod 202 is rotationally connected with the first connecting lug 201, the steel rod 202 can rotate relative to the lantern ring 2, the lantern ring 2 is sleeved with the fixing rod 104, so that the steel rod 202 is indirectly connected with the lower connecting block 1 and the upper connecting block 102, the assembly of the steel rod 202 is completed, the bolts 105 are sequentially inserted through the upper limit arc-shaped grooves 103, the insertion holes 204 and the lower limit arc-shaped grooves 101 and are connected with nuts in a threaded manner, the connection stability of the steel rod 202 and the lower connecting block 1 and the upper connecting block 102 is further enhanced, then the two connecting rods 301 arranged on the buffer cylinder 3 are respectively rotationally connected with the two second connecting lugs 203 which are oppositely arranged, when the integral steel structure net rack vibrates, the acting force can be transmitted to the connecting rods 301, after the connecting rods 301 are subjected to the acting force, the limiting rods 303 slide along the limiting sliding grooves 302, the acting force is removed through the extrusion of the buffer springs 304, the effect of buffering protection is achieved on the steel rod 202, the phenomenon that the steel structure net rack is not supported by the external pressure is not caused, and the reliability of connection is improved.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the embodiments described above, but is intended to be within the scope of the utility model, as long as such insubstantial modifications are made by the method concepts and technical solutions of the utility model, or the concepts and technical solutions of the utility model are applied directly to other occasions without any modifications.

Claims (6)

1. The utility model provides a steel construction rack connection structure, includes connecting block (1), its characterized in that: connecting block (1) top fixedly connected with dead lever (104) down, dead lever (104) top fixedly connected with goes up connecting block (102), dead lever (104) outside cover is equipped with lantern ring (2), four equally spaced apart first connecting lugs (201) of lantern ring (2) outside fixedly connected with, first connecting lug (201) inboard is equipped with steel pole (202), jack (204) have been seted up at steel pole (202) top, adjacent two equal fixedly connected with second engaging lug (203) in opposite one side of steel pole (202), adjacent two all be equipped with between steel pole (202) buffer tube (3), spacing spout (302) have all been seted up to buffer tube (3) inside both sides, buffer tube (3) inside are equipped with buffer spring (304), buffer spring (304) both ends all fixedly connected with gag lever post (303), one side fixedly connected with connecting rod (301) that buffer spring (304) were kept away from to gag lever post (303).

2. A steel structure grid connection according to claim 1, wherein: the sleeve ring (2) is rotationally connected with the fixing rods (104), the number of the steel rods (202) is four, and the four steel rods (202) are rotationally connected with four first connecting lugs (201) arranged on the outer side of the sleeve ring (2) respectively.

3. A steel structure grid connection according to claim 1, wherein: one end of the connecting rod (301) far away from the limiting rod (303) penetrates through the buffer cylinder (3) in a sliding mode and is connected with the second connecting lug (203) in a rotating mode.

4. A steel structure grid connection according to claim 1, wherein: two ends of the limiting rod (303) are in sliding connection with limiting sliding grooves (302) formed in two sides of the inside of the buffer cylinder (3), and a damper is arranged in the buffer spring (304).

5. A steel structure grid connection according to claim 1, wherein: the top of the lower connecting block (1) is provided with a plurality of lower limit arc grooves (101) which are distributed at equal intervals, and the top of the upper connecting block (102) is provided with a plurality of upper limit arc grooves (103) which are distributed at equal intervals.

6. The steel structure grid connection structure of claim 5, wherein: the number of the lower limit arc grooves (101) and the number of the upper limit arc grooves (103) are four, the lower limit arc grooves (101) are respectively corresponding to the four positions of the upper limit arc grooves (103), the jacks (204) and the lower arc grooves (101) are internally and jointly slid to penetrate through bolts (105), nuts are connected to the lower ends of the bolts (105) in a threaded mode, and the tops of the nuts are attached to the bottoms of the lower connecting blocks (1).