CN216810285U - Connecting structure of thin-wall section steel - Google Patents
Connecting structure of thin-wall section steel Download PDFInfo
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- CN216810285U CN216810285U CN202220389833.1U CN202220389833U CN216810285U CN 216810285 U CN216810285 U CN 216810285U CN 202220389833 U CN202220389833 U CN 202220389833U CN 216810285 U CN216810285 U CN 216810285U
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Abstract
The utility model discloses a connecting structure of thin-wall steel, which comprises a thin-wall steel workpiece, a thin-wall steel base body and a fastener, wherein the fastener comprises a fastening shooting nail and a damping washer, the fastening shooting nail comprises a nail cap, a nail rod section and a nail tip section which are integrally formed, fastening grains are arranged on the outer surface of the nail rod section, a conical hole expanding section is arranged between the nail rod section and the nail tip section, the damping washer is fixed on the nail tip section, the fastening shooting nail sequentially penetrates through the thin-wall steel workpiece and the thin-wall steel base body through the nail tip section to fix the thin-wall steel workpiece on the thin-wall steel base body, the nail cap and the damping washer are positioned outside the thin-wall steel workpiece after being fixed, and the fastening grains on the nail rod section are respectively occluded with the thin-wall steel workpiece and the thin-wall steel base body. According to the utility model, the thin-wall section steel is fastened and connected through the specific structural member, so that the connection efficiency and success rate of the thin-wall section steel are improved, and the stability of the thin-wall section steel after connection is also improved.
Description
Technical Field
The utility model relates to the technical field of steel structural member fastening, in particular to a connecting structure of thin-wall steel.
Background
With the development of society and the progress of technology, the decoration and fitment application of steel structure buildings is more and more extensive, and various facilities and equipment taking thin-wall section steel as a main body are more and more. Among them, the thin-walled steel is a steel structural member having various cross sections formed by cold-bending a thin steel sheet or a strip steel, and is more and more widely used in various industries because of its excellent characteristics such as light structural weight, good rigidity, high stability, high forming flexibility, and convenience in transportation and installation.
At present, thin-wall steel structural members are fastened and connected by adopting drill tail nails, and the specific construction scheme is as follows: the thin-wall steel workpiece to be fastened is placed on the thin-wall steel matrix, and then the thin-wall steel workpiece is fixed on the thin-wall steel matrix by using the drill tail nail, so that the fastening purpose is achieved. However, due to the high rigidity and strength of the steel structural member, the drill tail nail often fails to be fastened due to high abrasion during drilling. In addition, the drill tail nail can only adopt a drilling mode to realize the fastening connection of the drill tail nail and the drill tail nail, so the technical problems of complex working procedures, low fastening efficiency and poor stability after fastening exist.
In view of the above, there is a need for an improvement in the existing thin-walled steel joining technology.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problems in the prior art and provides a connecting structure of thin-wall section steel.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a connection structure of thin-walled steel which characterized in that: the thin-wall steel-base-type fastening device comprises a thin-wall steel-base workpiece, a thin-wall steel-base body and a fastening piece, wherein the fastening piece comprises a fastening shooting nail and a damping washer, the fastening shooting nail comprises a nail cap, a nail rod section and a nail tip section which are integrally formed, fastening grains are arranged on the outer surface of the nail rod section, a conical expanding hole section is arranged between the nail rod section and the nail tip section, the damping washer is fixed on the nail tip section, the fastening shooting nail penetrates through the nail tip section sequentially through the thin-wall steel-base workpiece and the thin-wall steel-base body to fix the thin-wall steel-base workpiece on the thin-wall steel-base body, the nail cap and the damping washer are located outside the thin-wall steel-base workpiece after the fastening shooting nail is fixed, and the fastening grains on the nail rod section are respectively meshed with the thin-wall steel-base workpiece and the thin-wall steel-base body.
The nail point section comprises a straight rod part and a pointed cone part, the outer diameter of the straight rod part is smaller than the bottom diameter of the fastening grains, and the damping washer is fixed on the straight rod part.
The length of the nail rod section is 13-20mm, the length of the nail tip section is 7.5-15mm, the outer diameter of the nail rod section is 3-4mm, the outer diameter of the fastening grain is 3.5-4.5mm, and the outer diameter of the straight rod part is 2.5-3.5 mm.
The fastening lines are uniformly distributed on the outer surface of the nail rod section.
The fastening threads are spiral threads or annular threads.
The thin-wall steel workpiece is a steel plate or a color steel plate with the wall thickness less than 1.5 mm.
The thin-walled steel substrate is a steel plate with the wall thickness of 0.8-5 mm, C-shaped steel, a rectangular pipe, a round steel pipe or channel steel.
The utility model has the advantages that:
1. the utility model adopts the fastener which is formed by combining the fastening nail and the damping washer into a specific structure to realize the fastening connection of the thin-wall steel workpiece and the thin-wall steel substrate, and can realize the quick and efficient fastening of the fastening nail and the thin-wall steel substrate by using a nail shooting tool to trigger the fastening nail during the connection. Compared with the prior art, the utility model not only simplifies the connecting process, realizes the quick connection of the thin-wall section steel, but also effectively improves the fastening efficiency. And because the fastening lines on the fastening connection rear nail rod section are respectively occluded with the thin-wall steel workpiece and the thin-wall steel substrate, the fastening force of the connection part of the thin-wall steel workpiece and the thin-wall steel substrate is improved, the connection stability of the thin-wall steel workpiece and the thin-wall steel substrate is better, and the installation requirement between steel structural members is effectively met.
In addition, the outer surface of the nail rod section of the fastening shooting nail is provided with fastening grains, and a conical hole expanding section is arranged between the nail rod section and the nail tip section. According to the fastening nail with the specific structure, the nail tip section rapidly drills and penetrates through the thin-wall section steel during fastening, the small hole penetrating through the nail tip section can be effectively enlarged through the conical hole expanding section, and the nail rod section can conveniently pass through the small hole expanding section, so that the fastening grains are respectively meshed with the thin-wall section steel workpiece and the thin-wall section steel base body. Therefore, the fastening efficiency and the stability of the thin-walled steel after fastening can be effectively improved.
2. The outer diameter of the straight rod part is set to be smaller than the bottom diameter of the fastening grains, and the straight rod part fastening structure has the advantages that the fastening grains do not damage the straight rod part, stress concentration is avoided, and the strength of the straight rod part is improved. The shock absorption pad is fixed on the straight rod part, so that impact of power on a connected workpiece during installation is reduced, deformation is avoided, accurate positioning of the fastening nail in a nail shooting tool can be well met during installation, and installation reliability is improved.
3. The utility model also limits the specific parameters of the fastening nail, and has the advantages that: the length of the screw rod section ranges from 13mm to 20mm, the design basis is the height of the damping washer, the thickness of the connected thin-wall steel workpiece and the thickness of the thin-wall steel substrate are added, and meanwhile, the guaranteed size ranges from 5mm to 10 mm. If the length of the nail rod section is too long, the running distance of the straight rod section in the matrix is increased during installation, so that a hole punched by the nail tip section on the thin-wall steel matrix is permanently deformed, the thin-wall steel matrix loses elasticity, and the fastening failure is caused. The size of the nail point section is 7.5mm to 15mm, so that the rigidity of the nail point section is good, and the success rate of punching is improved. The outer diameter of the nail rod section is 3-4mm, the outer diameter of the fastening grain is 3.5-4.5mm, the outer diameter of the straight rod section is 2.5-3.5mm, the nail rod is small, so that the power required by fastening can be reduced, and the two sections have a diameter difference, so that the thin-wall section steel can fully enter the spiral grain under the action of elastic force.
4. The utility model ensures that the fastening lines are uniformly distributed on the outer surface of the nail rod section, can prevent the situation that the fastening lines can not be effectively occluded with the thin-wall steel workpiece and the thin-wall steel substrate due to the deformation of the damping washer during fastening, and is favorable for improving the fastening success rate.
5. The utility model adopts spiral grains or annular grains as the fastening grains, and has the advantages of good occlusion effect and reliable fastening.
6. The utility model is suitable for effectively fastening thin-wall steel workpieces and thin-wall steel substrates with different structural shapes, has wide application range and is beneficial to reducing the types of fastening tools and fastening piece products as much as possible.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the construction of the fastener of the present invention;
fig. 3 is a schematic structural view of the fastening nail of the present invention.
The labels in the figure are: 1. the thin-wall steel workpiece comprises a thin-wall steel substrate 2, a fastening shooting nail 3, a damping washer 4, a nail cap 5, a nail rod section 6, a nail tip section 7, a nail tip section 8, a fastening line 9, a conical hole expanding section 10, a straight rod part 11 and a pointed conical part.
Detailed Description
Example 1
The embodiment provides a connecting structure of thin-wall section steel, which mainly realizes quick and reliable fastening connection between steel structural members by utilizing a fastener. As shown in fig. 1, the connecting structure specifically comprises a thin-wall steel workpiece 1, a thin-wall steel substrate 2 and a fastener, wherein the thin-wall steel workpiece 1 is a steel plate or a color steel plate with the wall thickness of less than 1.5mm, the thin-wall steel substrate 2 is a steel plate, C-shaped steel, a rectangular pipe, a circular steel pipe or channel steel with the wall thickness of 0.8-5 mm, and the thin-wall steel workpiece 1 is fixed on the thin-wall steel substrate 2 through the fastener.
In order to facilitate the rapid and reliable fixing of the thin-walled steel workpiece 1 to the thin-walled steel substrate 2, the present embodiment further defines the structure of the fastener. As shown in fig. 2 and 3, the fastening piece comprises a fastening nail shooting 3 and a shock absorption washer 4, the fastening nail shooting 3 can be fired by using an existing conventional nail shooting tool for fastening, the fastening nail shooting comprises an integrally formed nail head 5, a nail rod section 6 and a nail tip section 7, the shock absorption washer 4 is fixed on the nail tip section 7, and the nail tip section 7 is provided with a nail tip and can rapidly drill and penetrate through the thin-wall steel workpiece 1 and the thin-wall steel base body 2 when being fastened. Be equipped with toper reaming section 9 between nail pole section 6 and the nail point section 7, this toper reaming section 9 can effectively enlarge the pierced aperture of nail point section 7, and then the nail pole section 6 of being convenient for passes through. The outer surface of the nail rod section 6 is provided with fastening lines 8, and the fastening lines 8 can be uniformly distributed on the outer surface of the nail rod section 6 and can also be only arranged at the middle upper part of the nail rod section 6 according to requirements. Specifically, during fastening, the fastening shooting nail 3 sequentially penetrates through the thin-wall steel workpiece 1 and the thin-wall steel base body 2 through the nail tip section 7 to fix the thin-wall steel workpiece 1 on the thin-wall steel base body 2, the fixed nail cap 5 and the damping washer 4 are both positioned outside the thin-wall steel workpiece 1, and the fastening grains 8 on the nail rod section 6 are respectively occluded with the thin-wall steel workpiece 1 and the thin-wall steel base body 2.
The specific parameters of the fastening nail 3 are further defined in the embodiment, the length of the nail rod section 6 is 13-20mm, the length of the nail tip section 7 is 7.5-15mm, the outer diameter of the nail rod section 6 is 3-4mm, the outer diameter of the fastening line 8 is 3.5-4.5mm, and the outer diameter of the straight rod part 10 is 2.5-3.5 mm. Preferably, the shank section 6 has a length of 13mm and a length of 20mm, the tip section 7 has a length of 7.5mm and a length of 15mm, the shank section 6 has an outer diameter of 3mm and a diameter of 3.5mm, and the fastening groove 8 has an outer diameter of 3.5mm and a diameter of 4 mm. The embodiment adopts the above-mentioned preferred specification, can realize the effective fixed of thin-walled steel.
In the present embodiment, the structural shape of the cushion washer 4 is not particularly limited, and any structural member may be used that can perform the functions of cushioning, preventing water leakage, and cushioning. Similarly, the structural shape of the fastening pattern 8 and the like in this embodiment are not particularly limited, and any fastening pattern 8 may be used as long as it can be engaged with the thin-walled steel workpiece 1 and the thin-walled steel substrate 2 respectively and achieve effective fixation when fastened.
Example 2
On the basis of embodiment 1, in order to facilitate the shock-absorbing washer 4 to play an effective shock-absorbing role, the present embodiment further defines the position of the shock-absorbing washer 4 on the fastening nail 3. Specifically, as shown in fig. 2, the spike section 7 includes a straight rod portion 10 and a pointed cone portion 11, the outer diameter of the straight rod portion 10 is smaller than the bottom diameter of the fastening pattern, the outer diameter of the straight rod portion 10 may be 2.5-3.5mm, but preferably two specifications of 2.6mm and 3.0mm, and the cushion washer 4 is fixed on the straight rod portion 10.
Example 3
On the basis of the embodiment 1 or 2, the applicant adopts different lines as the fastening lines 8 for verification, wherein spiral lines or annular lines are adopted as the fastening lines 8, the occlusion effect between the fastening lines and the thin-wall steel structural member is good, and the effective fastening between the fastening lines and the thin-wall steel structural member can be realized. And the effect of other lines as the fastening lines 8 is poor, and the fastening effect cannot be achieved. In addition, for the spiral threads or the annular threads, the spiral threads are preferably adopted as the fastening threads 8 because the fastening effect of the spiral threads is better than that of the annular threads, so that the thin-wall steel workpiece 1 can be effectively fastened on the thin-wall steel substrate 2.
Example 4
In this embodiment, the connection structure of the present invention is verified, and the verification process is as follows:
and (3) verifying conditions: the thickness of the thin-wall steel workpiece 1 is 1mm, the thickness of the thin-wall steel substrate 2 is 1.2mm, the fastening shooting nail 3 preferably adopts spiral grains as fastening grains 8, the nail tip section 7 preferably comprises a straight rod part 10, and the damping washer 4 is fixed on the straight rod part 10.
And (3) verification process: and (3) fastening by using not less than 50 fastening nails 3 according to the mode shown in figure 1, testing that the fastening force of each fastening nail 3 is more than 200 kilograms after fastening is finished, and simultaneously, the fastening time of each fastening nail 3 is within 1 second, namely instantaneous fastening.
Comparative example: the drill tail nail introduced by the background technology is used for fastening, and through tests, the time required for fastening a single drill tail nail is not less than 30 seconds, and the fastening efficiency is extremely low.
And (4) conclusion: the utility model not only can realize the quick and reliable fastening of the thin-wall section steel, but also improves the fastening force at the joint of the thin-wall section steel and the thin-wall section steel, ensures that the connection stability of the thin-wall section steel and the thin-wall section steel is better, and effectively meets the installation requirement between steel structural members.
While the utility model has been described with reference to specific embodiments, any feature disclosed in this specification may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise; all of the disclosed features, or all of the method or process steps, may be combined in any combination, except mutually exclusive features and/or steps.
Claims (7)
1. The utility model provides a connection structure of thin-walled steel which characterized in that: comprises a thin-wall steel workpiece (1), a thin-wall steel substrate (2) and a fastener, wherein the fastener comprises a fastening shooting nail (3) and a damping washer (4), the fastening nail (3) comprises an integrally formed nail cap (5), a nail rod section (6) and a nail tip section (7), fastening grains (8) are arranged on the outer surface of the nail rod section (6), a conical hole expanding section (9) is arranged between the nail rod section (6) and the nail tip section (7), the damping washer (4) is fixed on the nail tip section (7), the fastening shooting nail (3) sequentially penetrates through the thin-wall steel workpiece (1) and the thin-wall steel base body (2) through the nail tip section (7) to fix the thin-wall steel workpiece (1) on the thin-wall steel base body (2), and the fixed nail cap (5) and the damping washer (4) are both positioned outside the thin-wall steel workpiece (1), and the fastening grains (8) on the nail rod section (6) are respectively occluded with the thin-wall steel workpiece (1) and the thin-wall steel substrate (2).
2. The connecting structure of thin-walled steel sections according to claim 1, wherein: the nail tip section (7) comprises a straight rod part (10) and a pointed cone part (11), the outer diameter of the straight rod part (10) is smaller than the bottom diameter of the fastening grains (8), and the damping washer (4) is fixed on the straight rod part (10).
3. The connecting structure of thin-walled steel sections according to claim 2, wherein: the length of the nail rod section (6) is 13-20mm, the length of the nail tip section (7) is 7.5-15mm, the outer diameter of the nail rod section (6) is 3-4mm, the outer diameter of the fastening line (8) is 3.5-4.5mm, and the outer diameter of the straight rod part (10) is 2.5-3.5 mm.
4. The connecting structure of thin-walled steel sections according to claim 1, wherein: the fastening lines (8) are uniformly distributed on the outer surface of the nail rod section (6).
5. The connecting structure of thin-walled steel sections according to any one of claims 1 to 4, wherein: the fastening threads (8) are spiral threads or annular threads.
6. The connecting structure of thin-walled steel sections according to claim 1, wherein: the thin-wall section steel workpiece (1) is a steel plate or a color steel plate with the wall thickness smaller than 1.5 mm.
7. The connecting structure of thin-walled steel sections according to claim 1, wherein: the thin-wall steel substrate (2) is a steel plate with the wall thickness of 0.8-5 mm, C-shaped steel, a rectangular pipe, a round steel pipe or channel steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202220389833.1U CN216810285U (en) | 2022-02-25 | 2022-02-25 | Connecting structure of thin-wall section steel |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202220389833.1U CN216810285U (en) | 2022-02-25 | 2022-02-25 | Connecting structure of thin-wall section steel |
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| CN216810285U true CN216810285U (en) | 2022-06-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114576246A (en) * | 2022-02-25 | 2022-06-03 | 四川德阳市力协有限责任公司 | Method for fixing thin-wall steel structural member based on fastening shooting nail |
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- 2022-02-25 CN CN202220389833.1U patent/CN216810285U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114576246A (en) * | 2022-02-25 | 2022-06-03 | 四川德阳市力协有限责任公司 | Method for fixing thin-wall steel structural member based on fastening shooting nail |
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Address after: 618300 Xiaohan Town, Guanghan City, Deyang City, Sichuan Province Patentee after: Sichuan Lixie Precision Technology Co.,Ltd. Address before: 618304 Xiaohan Town, Guanghan City, Deyang City, Sichuan Province Patentee before: SICHUAN DEYANG CITY LIXIE Co.,Ltd. |