Novel high-strength stainless steel multifunctional fastening device

Abstract

The utility model relates to a novel high-strength stainless steel multifunctional fastening device, and mainly relates to the field of multifunctional fastening devices. The fastening device mainly comprises a large-port upper flat edge, a large-port step, a large-port transition edge, a large-port lower flat edge, a small-port upper flat edge, a small-port step, a small-port transition edge, a small-port lower flat edge, a main body rod of the fastening device, a main body rod upper-end short column, a main body rod upper-end short column cap, a main body rod lower-end long column and a main body rod lower-end long column cap. The high-strength stainless steel multifunctional fastening device has the advantages that firstly, bolts of different sizes can be adjusted to be tightened or disassembled; secondly, the bolt which cannot be screwed manually can be screwed by external force by hammering the short column at the upper end of the main body rod and the short column cap at the upper end of the main body rod; and finally, due to the existence of the long column at the lower end of the main body rod and the long column cap at the lower end of the main body rod, the long-distance bolt at the bottom or the top can be manually screwed.

Description

Technical Field

[0001] The utility model relates to a novel high-strength stainless steel multifunctional fastening device, and mainly relates to the field of stainless steel multifunctional fastening devices. Background Art

[0002] In daily life, workshop staff often encounter the situation of tightening and removing bolts of different specifications and models. At this time, different types of fastening devices are needed, and the staff are required to switch between different types of fastening devices, which greatly wastes maintenance operation time.

[0003] The invention patent with authorization announcement number CN114607690B discloses a fastening assembly for fixing parts, which includes a fastening device and a plug-in. The fastening device includes a main body and a clamping part. The main body includes a connecting part and an elastic part. Each of the elastic parts is provided with at least one avoidance groove. Each of the clamping parts includes at least one clamping joint inserted in the avoidance groove and an abutting head arranged at the free end of the clamping part. The difference between this high-strength stainless steel multifunctional fastening device and the invention patent with authorization announcement number CN114607690B is that this high-strength stainless steel multifunctional fastening device is mainly used for special fastening processes in the production process of medical equipment parts, and can quickly and conveniently switch the fastening processes between different bolts.

[0004] In order to further improve the maintenance and operation efficiency in the production process of medical equipment parts, the utility model has developed and designed a new type of high-strength stainless steel multifunctional fastening device to facilitate daily fastening and disassembly of bolts of different specifications and models. Summary of the invention

[0005] In order to overcome the shortcomings of the prior art, the utility model provides a new type of high-strength stainless steel multifunctional fastening device. The technical solution of the utility model is:

[0006] A new type of high-strength stainless steel multifunctional fastening device, comprising a large port upper flat edge, a large port step, a large port transition edge, a large port lower flat edge, a small port upper flat edge, a small port step, a small port transition edge, a small port lower flat edge, a main rod of the fastening device, a main rod upper short column, a main rod upper short column cap, a main rod lower long column and a main rod lower long column cap. The main rod upper short column is connected to the main rod of the fastening device by welding, the main rod lower long column is connected to the main rod of the fastening device by welding, the main rod upper short column cap is connected to the main rod upper short column by welding, and the main rod lower long column cap is connected to the main rod lower long column by welding.

[0007] The length of the flat edge on the large port is 15.7 mm, the flat edge on the large port is hardened for strength, the radius of the outermost arc is 15.8 mm, and the outer chamfer of the top is 10 mm; the steps of the large port are located on both sides of the interior, with 9 steps on each side, the height of each step is 3.8 mm, the angle of each step is 90 degrees, and the length of the straight part on the outer side of the step is 31.6 mm.

[0008] The large port transition edge is located on both sides, the length of the large port transition edge on each side is 15 mm, the angle between the large port transition edge and the lower flat edge of the large port is 117 degrees, and the length of the outer straight portion of the large port transition edge is 25 mm; the length of the lower flat edge of the large port is 17.8 mm, the lower flat edge of the large port is hardened for strength, and the outer chamfer of the bottom is 1 mm.

[0009] The length of the flat edge on the small port is 12.8 mm, the flat edge on the small port is subjected to strength hardening treatment, the radius of the outermost arc is 12.8 mm, and the outer chamfer of the top is 10 mm.

[0010] The small port steps are located on both sides of the interior, with 7 steps on each side, a height of each step of 4 mm, an angle of each step of 90 degrees, and a length of a straight portion on the outer side of the step of 27 mm.

[0011] The small port transition edge is located on both sides, the length of the small port transition edge on each side is 12.2 mm, the angle between the small port transition edge and the lower flat edge of the small port is 115 degrees, and the outer straight part of the small port transition edge is 16 mm long.

[0012] The length of the lower flat edge of the small port is 17.8 mm, the lower flat edge of the small port is subjected to strength hardening treatment, and the outer chamfer of the bottom is 1 mm.

[0013] The length of the short column at the upper end of the main rod is 27 mm, and the diameter is 12 mm; the length of the short column cap at the upper end of the main rod is 10 mm, and the diameter is 15 mm, and the chamfer is 2 mm.

[0014] The length of the long column at the lower end of the main rod is 117 mm and the diameter is 15 mm; the length of the long column cap at the lower end of the main rod is 10 mm and the diameter is 12 mm.

[0015] The upper flat edge of the large port, the step of the large port, the transition edge of the large port, the lower flat edge of the large port, the upper flat edge of the small port, the step of the small port, the transition edge of the small port, the lower flat edge of the small port, the main rod of the fastening device, the short column at the upper end of the main rod, the short column cap at the upper end of the main rod, the long column at the lower end of the main rod and the long column cap at the lower end of the main rod are all made of high-strength stainless steel materials, and the inner side is hardened for strength.

[0016] The advantages of this high-strength stainless steel multifunctional fastening device are: (1) when workshop staff repair and replace medical equipment parts, the staff can quickly adjust and tighten or remove bolts of different sizes; (2) when workshop staff encounter bolts that cannot be tightened manually, they can use external force to tighten them by hammering the short column at the upper end of the main rod and the short column cap at the upper end of the main rod; (3) due to the presence of the long column at the lower end of the main rod and the long column cap at the lower end of the main rod, workshop staff can manually tighten the bottom or top bolts that are far away. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional schematic diagram of the utility model.

[0018] Figure 2 yes Figure 1 main view.

[0019] Figure 3 yes Figure 1 Left view of .

[0020] Figure 4 yes Figure 1 Top view of the .

[0021] Figure 5 yes Figure 1 Schematic diagram of the middle three-dimensional cross-section.

[0022] Figure 6 yes Figure 5 main view. DETAILED DESCRIPTION

[0023] The present invention will be further described below in conjunction with specific embodiments, and the advantages and features of the present invention will become clearer as the description proceeds.

[0024] Reference Figures 1 to 6 A novel high-strength stainless steel multifunctional fastening device comprises a large port upper flat edge 1, a large port step 2, a large port transition edge 3, a large port lower flat edge 4, a small port upper flat edge 5, a small port step 6, a small port transition edge 7, a small port lower flat edge 8, a main body rod 9 of the fastening device, a main body rod upper end short column 11, a main body rod upper end short column cap 10, a main body rod lower end long column 12 and a main body rod lower end long column cap 13. The main body rod upper end short column 11 is connected to the main body rod 9 of the fastening device by welding, and the main body rod lower end long column 12 is connected to the main body rod 9 of the fastening device by welding.

[0025] The length of the flat edge 1 on the large port is 15.7 mm. The flat edge 1 on the large port is subjected to strength hardening treatment. The radius of the outermost arc is 15.8 mm, and the outer chamfer of the top is 10 mm.

[0026] The large port steps 2 are located on both sides of the interior, with 9 steps on each side. The height of each step is 3.8 mm, the angle of each step is 90 degrees, and the length of the straight part on the outer side of the step is 31.6 mm.

[0027] The large port transition edge 3 is located on both sides, the length of the large port transition edge 3 on each side is 15 mm, the angle between the large port transition edge 3 and the large port lower flat edge 4 is 117 degrees, and the outer straight part of the large port transition edge 3 is 25 mm long.

[0028] The length of the lower flat edge 4 of the large port is 17.8 mm. The lower flat edge 4 of the large port has been subjected to strength hardening treatment, and the chamfer of the bottom outer side is 1 mm.

[0029] The length of the flat edge 5 on the small port is 12.8 mm. The flat edge 5 on the small port is subjected to strength hardening treatment. The radius of the outermost arc is 12.8 mm, and the outer chamfer of the top is 10 mm.

[0030] The small port steps 6 are located on both sides of the interior, with 7 steps on each side, a height of each step of 4 mm, an angle of each step of 90 degrees, and a length of a straight line portion on the outer side of the step of 27 mm.

[0031] The small port transition edge 7 is located on both sides, the length of the small port transition edge 7 on each side is 12.2 mm, the angle between the small port transition edge 7 and the small port lower flat edge 8 is 115 degrees, and the outer straight part of the small port transition edge 7 is 16 mm long.

[0032] The length of the lower flat edge 8 of the small port is 17.8 mm. The lower flat edge 8 of the small port is subjected to strength hardening treatment, and the outer chamfer of the bottom is 1 mm.

[0033] The short column 11 at the upper end of the main rod has a length of 27 mm and a diameter of 12 mm; the short column cap 10 at the upper end of the main rod has a length of 10 mm, a diameter of 15 mm, and a chamfer of 2 mm.

[0034] The length of the long column 12 at the lower end of the main rod is 117 mm and the diameter is 15 mm; the length of the long column cap 13 at the lower end of the main rod is 10 mm and the diameter is 12 mm.

[0035] The large port upper flat edge 1, large port step 2, large port transition edge 3, large port lower flat edge 4, small port upper flat edge 5, small port step 6, small port transition edge 7, small port lower flat edge 8, main rod 9 of the fastening device, short column 11 at the upper end of the main rod, short column cap 10 at the upper end of the main rod, long column 12 at the lower end of the main rod and long column cap 13 at the lower end of the main rod are all made of high-strength stainless steel, and the inner side is hardened for strength.

[0036] The use principle of this high-strength stainless steel multifunctional fastening device: when the workshop staff is repairing and replacing medical equipment parts, the staff can quickly adjust and tighten or remove bolts of different sizes; when the workshop staff encounters a bolt that cannot be twisted manually, they can use a hammer to hit the short column 11 at the upper end of the main rod and the short column cap 10 at the upper end of the main rod to twist it with external force; when encountering a bolt that is far away, due to the presence of the long column 12 at the lower end of the main rod and the long column cap 13 at the lower end of the main rod, the workshop staff can manually twist the bolt at the bottom or top that is far away. The utility model can greatly improve the maintenance and operation efficiency of medical equipment parts in the production process.

Claims

1. A new type of high-strength stainless steel multifunctional fastening device, characterized in that: It includes an upper flat edge of a large port, a step of a large port, a transition edge of a large port, a lower flat edge of a large port, an upper flat edge of a small port, a step of a small port, a transition edge of a small port, a lower flat edge of a small port, a main rod of a fastening device, a short column at the upper end of the main rod, a short column cap at the upper end of the main rod, a long column at the lower end of the main rod and a long column cap at the lower end of the main rod; the short column at the upper end of the main rod is connected to the main rod of the fastening device by welding, the long column at the lower end of the main rod is connected to the main rod of the fastening device by welding, the short column cap at the upper end of the main rod is connected to the short column at the upper end of the main rod by welding, and the long column cap at the lower end of the main rod is connected to the long column at the lower end of the main rod by welding.

2. A novel high-strength stainless steel multifunctional fastening device as claimed in claim 1, characterized in that: The length of the flat edge on the large port is 15.7 mm, the flat edge on the large port is hardened for strength, the radius of the outermost arc is 15.8 mm, and the outer chamfer of the top is 10 mm; the steps of the large port are located on both sides of the interior, with 9 steps on each side, the height of each step is 3.8 mm, the angle of each step is 90 degrees, and the length of the straight part on the outer side of the step is 31.6 mm.

3. A novel high-strength stainless steel multifunctional fastening device as claimed in claim 1, characterized in that: The large port transition edge is located on both sides, the length of the large port transition edge on each side is 15 mm, the angle between the large port transition edge and the lower flat edge of the large port is 117 degrees, and the length of the outer straight portion of the large port transition edge is 25 mm; the length of the lower flat edge of the large port is 17.8 mm, the lower flat edge of the large port is hardened for strength, and the outer chamfer of the bottom is 1 mm.

4. A novel high-strength stainless steel multifunctional fastening device as claimed in claim 1, characterized in that: The length of the flat edge on the small port is 12.8 mm, the flat edge on the small port is hardened for strength, the radius of the outermost arc is 12.8 mm, and the outer chamfer of the top is 10 mm.

5. A novel high-strength stainless steel multifunctional fastening device as claimed in claim 1, characterized in that: The small port steps are located on both sides of the interior, with 7 steps on each side, a height of each step of 4 mm, an angle of each step of 90 degrees, and a length of a straight portion on the outer side of the step of 27 mm.

6. A novel high-strength stainless steel multifunctional fastening device as claimed in claim 1, characterized in that: The small port transition edge is located on both sides, the length of the small port transition edge on each side is 12.2 mm, the angle between the small port transition edge and the lower flat edge of the small port is 115 degrees, and the outer straight part of the small port transition edge is 16 mm long.

7. A novel high-strength stainless steel multifunctional fastening device as claimed in claim 1, characterized in that: The length of the lower flat edge of the small port is 17.8 mm, the lower flat edge of the small port is subjected to strength hardening treatment, and the outer chamfer of the bottom is 1 mm.

8. A novel high-strength stainless steel multifunctional fastening device as claimed in claim 1, characterized in that: The length of the short column at the upper end of the main rod is 27 mm and the diameter is 12 mm; the length of the short column cap at the upper end of the main rod is 10 mm and the diameter is 15 mm, and the chamfer is 2 mm; the length of the long column at the lower end of the main rod is 117 mm and the diameter is 15 mm; the length of the long column cap at the lower end of the main rod is 10 mm and the diameter is 12 mm.

9. A novel high-strength stainless steel multifunctional fastening device as claimed in claim 1, characterized in that: The upper flat edge of the large port, the step of the large port, the transition edge of the large port, the lower flat edge of the large port, the upper flat edge of the small port, the step of the small port, the transition edge of the small port, the lower flat edge of the small port, the main rod of the fastening device, the short column at the upper end of the main rod, the short column cap at the upper end of the main rod, the long column at the lower end of the main rod and the long column cap at the lower end of the main rod are all made of high-strength stainless steel materials, and the inner side is hardened for strength.

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