CN213929121U - Single-side screwing bolt for space-limited steel structure connection - Google Patents
Single-side screwing bolt for space-limited steel structure connection Download PDFInfo
- Publication number
- CN213929121U CN213929121U CN202022645309.XU CN202022645309U CN213929121U CN 213929121 U CN213929121 U CN 213929121U CN 202022645309 U CN202022645309 U CN 202022645309U CN 213929121 U CN213929121 U CN 213929121U
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- Prior art keywords
- steel structure
- screw
- steel
- fixed
- nut
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 44
- 239000010959 steel Substances 0.000 title claims abstract description 44
- 238000005452 bending Methods 0.000 claims abstract description 10
- 238000010276 construction Methods 0.000 claims abstract description 7
- 238000001125 extrusion Methods 0.000 claims abstract description 5
- 230000000149 penetrating effect Effects 0.000 claims abstract description 4
- 238000009434 installation Methods 0.000 abstract description 13
- 239000000463 material Substances 0.000 abstract description 6
- 239000007787 solid Substances 0.000 abstract description 3
- 230000003044 adaptive effect Effects 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Connection Of Plates (AREA)
- Joining Of Building Structures In Genera (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model relates to the technical field of steel structure connecting tools, in particular to a single-side screwing bolt for steel structure connection with limited space; the screw mechanism is provided with a length which is adaptive to a steel structure to be fixed; the sleeve mechanism is sleeved on the screw rod mechanism and arranged in a prefabricated hole formed in the steel structure to be fixed; the nut mechanism is matched with the part of the screw rod mechanism penetrating out of the steel structure to be fixed; the sleeve mechanism comprises a bending part and a fixing part; the bending part is of an elastic structure, is connected with the fixing part, and is stretched and deformed along the periphery of the screw mechanism under extrusion so as to lock the screw mechanism; the fixing part is connected with the nut mechanism. The utility model aims at providing a limited steel construction in space connects with unilateral to the defect that exists among the prior art and twists solid bolt, adopts the kink to lock the screw rod for the installation is simple and convenient, is fit for the job site installation, and the cost is cheap, and used material is ordinary steel on the market.
Description
Technical Field
The utility model relates to a steel construction connecting tool's technical field especially relates to a limited steel construction in space is connected and is twisted solid bolt with unilateral.
Background
The U-rib butt weld is one of hot spots of the steel structure bridge with fatigue problems, the weld quality is not easy to guarantee, and the weld without penetration is equivalent to applying a prefabricated crack to the steel structure, so that the U-rib welding is replaced by the bolt connection, which is a necessary trend. However, the U-shaped ribs are closed, and the common bolt is difficult to install, so a novel single-side screwing bolt is provided to solve the difficulty. The single-side screwing bolt is not only suitable for U-rib bolt connection, but also suitable for bolting steel plate reinforcement of fatigue cracks on the U ribs and bolt connection of other closed steel members.
In view of the above problems, the designer actively makes research and innovation based on the practical experience and professional knowledge that the engineering of such products is applied for many years and by matching with the application of theory, so that the single-side bolt for screwing is used for connecting the steel structures with limited design space, the screw rod is locked by the bent part, the installation is simple and convenient, the bolt is suitable for installation on the construction site, the manufacturing cost is low, the used materials are common steel materials on the market, and the structure is simple.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a limited steel construction in space connects with unilateral to the defect that exists among the prior art and twists solid bolt, adopts the kink to lock the screw rod for the installation is simple and convenient, is fit for the job site installation, and the cost is cheap, and used material is ordinary steel on the market, simple structure.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
the method comprises the following steps:
the screw mechanism is provided with a length which is adaptive to a steel structure to be fixed;
the sleeve mechanism is sleeved on the screw rod mechanism and arranged in a prefabricated hole formed in the steel structure to be fixed;
the nut mechanism is matched with the part of the screw rod mechanism penetrating out of the steel structure to be fixed;
the sleeve mechanism comprises a bending part and a fixing part; the bending part is of an elastic structure, is connected with the fixing part, and is stretched and deformed along the periphery of the screw mechanism under extrusion so as to lock the screw mechanism; the fixing part is connected with the nut mechanism.
Further, the screw mechanism includes a screw body; the screw rod main part runs through the steel structure to be fixed.
Further, a nut is arranged at the top of the screw rod main body; the nut is matched with the bending part.
Furthermore, the bottom of the nut is provided with an inclined surface; the inclined plane with the cooperation of kink top is used for opening the kink.
Further, a fixed end is arranged at the bottom of the screw rod main body; the fixed end is of a structure convenient for clamping of the wrench.
Further, the fixed end is provided with a clamping groove; the clamping groove is used for clamping a wrench.
Further, a gasket is arranged at the joint of the nut mechanism and the fixing part.
Through the technical scheme of the utility model, can realize following technological effect:
the screw rod is locked by the bent part, so that the installation is simple and convenient, the installation is suitable for construction site installation, the manufacturing cost is low, the used materials are common steel materials on the market, and the structure is simple.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic view of the installation start of a single-side screw bolt for connecting a steel structure with limited space in the embodiment of the present invention;
FIG. 2 is a schematic view of the installation of a single-side screw bolt for connecting a steel structure with limited space in the embodiment of the present invention;
FIG. 3 is a schematic diagram of the embodiment of the present invention after installation of a single-side screw bolt for connecting steel structures with limited space;
reference numerals: the screw mechanism 1, the socket mechanism 2, the washer 3, the nut mechanism 4, the nut 11, the screw body 12, the fixed end 13, the bent portion 21, the fixed portion 22, the inclined surface 111, and the engaging groove 131.
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.
In the description of the present invention, it should be noted that the orientations and positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations and positional relationships shown in the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
A single-side screw bolt for connecting steel structures with limited space is shown in figures 1-3,
the method comprises the following steps:
the screw mechanism 1 has a length suitable for a steel structure to be fixed;
the sleeve mechanism 2 is sleeved on the screw mechanism 1 and arranged in a prefabricated hole formed in the steel structure to be fixed;
the nut mechanism 4 is matched with the part of the screw rod mechanism 1 penetrating out of the steel structure to be fixed;
wherein, the sleeve mechanism 2 comprises a bending part 21 and a fixing part 22; the bending part 21 is of an elastic structure, is connected with the fixing part 22, and is expanded and deformed along the periphery of the screw mechanism 1 under extrusion to lock the screw mechanism 1; the fixing portion 22 is connected to the nut mechanism 4.
As shown in fig. 1 to 3, the screw mechanism 1 preferably includes a screw body 12; the screw body 12 penetrates through a steel structure to be fixed.
As shown in fig. 1 to 3, a nut 11 is disposed on the top of the screw body 12; the nut 11 is engaged with the bent portion 21.
As shown in fig. 1 to 3, the bottom of the nut 11 is preferably provided with an inclined surface 111; the inclined surface 111 is engaged with the top end of the bent portion 21, and is used for expanding the bent portion 21.
Specifically, the inclined surface 111 is provided at the bottom of the nut 11 so that the bent portion 21 is easily opened when pressed.
As shown in fig. 1 to 3, a fixing end 13 is disposed at the bottom of the screw body 12; the fixed end 13 is configured to facilitate gripping by a wrench.
As a preference of the above embodiment, as shown in fig. 1 to 3, the fixing end 13 is provided with a slot 131; the locking groove 131 is used for clamping a wrench.
As shown in fig. 1 to 3, a washer 3 is preferably provided at a connection point between the nut mechanism 4 and the fixing portion 22.
Specifically, the installation steps are as follows: firstly, adjusting the positions of prefabricated holes between steel members, inserting a screw rod main body 12 of a bolt screwed on one side into the prefabricated holes to enable a screw cap 11 to face inwards and a fixed end 13 to face outwards, then inserting a sleeve mechanism 2, and fixing the sleeve mechanism 2 by using a gasket 3; then, the nut mechanism 4 is screwed in, the fixed end 13 is clamped by a wrench so that the wrench is engaged with the engaging groove 131 to fix the screw body 12, and then, the nut mechanism 4 is screwed by another wrench, the sleeve mechanism 2 is deformed at the open end by the extrusion force, so that the bent portion 21 is opened along the inclined surface 111, thereby locking the nut 11.
Specifically, only need to utilize the spanner to fix the screw rod stiff end during the dismantlement, unscrew and take off nut mechanism 4 with another spanner, take off packing ring 3, push screw rod main part 12 and socket mechanism 2 in the prefabricated hole.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a limited steel construction in space connects with unilateral bolt of screwing in which characterized in that includes:
the screw mechanism (1) has a length suitable for a steel structure to be fixed;
the sleeve mechanism (2) is sleeved on the screw rod mechanism (1) and arranged in a prefabricated hole formed in the steel structure to be fixed;
the nut mechanism (4) is matched with the part of the screw rod mechanism (1) penetrating out of the steel structure to be fixed;
wherein the sleeve mechanism (2) comprises a bending part (21) and a fixing part (22); the bending part (21) is of an elastic structure, is connected with the fixing part (22), and is stretched and deformed along the periphery of the screw mechanism (1) under extrusion to lock the screw mechanism (1); the fixing part (22) is connected with the nut mechanism (4).
2. The space-constrained single-sided bolting bolt for steel structural connection according to claim 1, characterized in that said screw mechanism (1) comprises a screw body (12); the screw rod main body (12) penetrates through a steel structure to be fixed.
3. The space-limited single-side screwing bolt for steel structure connection according to claim 2, characterized in that a nut (11) is arranged at the top of the screw body (12); the screw cap (11) is matched with the bending part (21).
4. The space-limited single-side screwing bolt for steel structure connection according to claim 3, characterized in that the bottom of the nut (11) is provided with an inclined surface (111); the inclined surface (111) is matched with the top end of the bent part (21) and used for expanding the bent part (21).
5. The single-side screwing bolt for the connection of the steel structure with limited space according to claim 2, wherein a fixed end (13) is arranged at the bottom of the screw body (12); the fixed end (13) is of a structure convenient for clamping of a wrench.
6. The single-side screwing bolt for the connection of the steel structure with limited space according to claim 5, characterized in that the fixed end (13) is provided with a clamping groove (131); the clamping groove (131) is used for clamping a wrench.
7. The unilateral screwing bolt for connecting steel structures with limited space according to any one of claims 1 to 6, wherein a gasket (3) is arranged at the joint of the nut mechanism (4) and the fixing part (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022645309.XU CN213929121U (en) | 2020-11-16 | 2020-11-16 | Single-side screwing bolt for space-limited steel structure connection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022645309.XU CN213929121U (en) | 2020-11-16 | 2020-11-16 | Single-side screwing bolt for space-limited steel structure connection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213929121U true CN213929121U (en) | 2021-08-10 |
Family
ID=77169519
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022645309.XU Expired - Fee Related CN213929121U (en) | 2020-11-16 | 2020-11-16 | Single-side screwing bolt for space-limited steel structure connection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213929121U (en) |
-
2020
- 2020-11-16 CN CN202022645309.XU patent/CN213929121U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210810 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |