CN203822804U - Connecting bolt - Google Patents
Connecting bolt Download PDFInfo
- Publication number
- CN203822804U CN203822804U CN201420237072.3U CN201420237072U CN203822804U CN 203822804 U CN203822804 U CN 203822804U CN 201420237072 U CN201420237072 U CN 201420237072U CN 203822804 U CN203822804 U CN 203822804U
- Authority
- CN
- China
- Prior art keywords
- arc
- screw rod
- section
- connecting bolt
- thread section
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a connecting bolt which comprises an arc-shaped threaded rod, nuts and gaskets. The arc-shaped threaded rod is provided with an arc-shaped rod section and threaded sections, wherein the arc-shaped rod section extends towards the two ends to form the threaded sections. The threaded sections at the two ends of the arc-shaped threaded rod are sleeved with the gaskets respectively, the threaded sections are in threaded connection with the nuts, the outer surface of the arc-shaped rod section, the outer surfaces of the threaded sections, the outer surfaces of the nuts and the outer surfaces of the gaskets are all covered with rustproof layers, and the arc-shaped length of the arc-shaped threaded rod is 520 mm-965 mm. The connecting bolt enables arc-shaped pipes or walls to be connected conveniently and is good in dustproof effect.
Description
Technical field
The utility model relates to a kind of link, is specifically related to a kind of connecting bolt.
Background technique
At present when building the Large Infrastructure Projects construction such as high ferro, subway, railway tunnel, power station and bridge, often encounter the pipeline that large-scale section of jurisdiction combines, or curved wall, and have certain radian at pipeline or the body of wall at turning, so when having the pipeline of radian or body of wall splicing, should guarantee the rigidity intensity of arc joint, guarantee again the sealing of arc joint, if by the connection fastening piece of linear type, be to splice the arc pipe in bending part or body of wall.
Summary of the invention
The purpose of this utility model is to provide a kind of being not only convenient to connect arc pipe or body of wall, and the connecting bolt of favorable rust preventing effect.
The technological scheme that realizes above-mentioned purpose is: a kind of connecting bolt, comprise arc screw rod, nuts and washers, the thread section that described arc screw rod has bow section and stretches out to two ends, and the thread section at arc screw rod two ends overlaps respectively and has packing ring, and thread section is connected with nut thread, the outer surface of described bow section, thread section, nuts and washers is all covered with resin layer, the arc length L of described arc screw rod
1for 520mm～965mm.
In technique scheme, described resin layer is zinc-plated resin layer, or Zinc-Chromium film resin layer, and the thickness of described resin layer is 7～12um.
In technique scheme, the arc length L of the bow section of described arc screw rod
2for 440mm～833mm.
In technique scheme, the thread section at described arc screw rod two ends equal in length, and the reach b of thread section is 42mm～65mm.
In technique scheme, the reach b of described thread section is the arc length L of arc screw rod
10.067～0.081 times.
In technique scheme, the diameter of section ds of the bow section of described arc screw rod is 22mm～34mm.
In technique scheme, the screw thread specification d of described thread section is M24～M36.
In technique scheme, the arc radius R of described arc screw rod is 350mm～480mm.
In technique scheme, the arc length L of described arc screw rod
1be 617 ± 2mm, the reach b of thread section is 42 ± 2mm, and the arc radius R of arc screw rod is 350 ± 0.5mm, and the diameter of section ds of bow section is 27.5 ± 0.1mm, and the screw thread specification d of thread section is M30.
the good effect that the utility model has is:owing to adopting after the structure of technique scheme, during use, by the mounting hole of one end of arc screw rod and arc pipe or the body of wall thread section cover upper gasket of equipped and one end mutually, by fastening nuts, connected again, and then by the mounting hole of the other end of the arc screw rod arc pipe to be spliced with another or body of wall mutually thread section cover the upper gasket equipped and the other end by fastening nuts, be connected again, completed the splicing at two arc pipes or body of wall arc place; Outer surface due to arc screw rod, nuts and washers is all covered with resin layer again, therefore, be not only convenient to connect arc pipe or body of wall, and favorable rust preventing effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of concrete enforcement of the present utility model;
Fig. 2 is the plan view of arc screw rod of the present utility model;
Fig. 3 is the left view of Fig. 2.
Embodiment
The embodiment who provides below in conjunction with accompanying drawing is described in further detail the utility model.
As shown in Figure 1, 2, 3, a kind of connecting bolt, comprise arc screw rod 1, nut 2 and packing ring 3, the thread section 1-1 that described arc screw rod 1 has bow section 1-2 and stretches out to two ends, and the thread section 1-1 at arc screw rod 1 two ends overlaps respectively packing ring 3, and thread section 1-1 is threaded with nut 2, the outer surface of described bow section 1-2, thread section 1-1, nut 2 and packing ring 3 is all covered with resin layer 4, the arc length L of described arc screw rod 1
1for 520mm～965mm.The arc length L of described arc screw rod 1
1preferred version be 617mm.
As shown in Figure 1, described resin layer 4 is zinc-plated resin layers, or Zinc-Chromium film resin layer, and the thickness of described resin layer 4 is 7～12um.
As shown in Figure 2, the arc length L of the bow section 1-2 of arc screw rod 1 described in the utility model
2for 440mm～833mm.
As shown in Figure 2, the thread section 1-1's at arc screw rod described in the utility model 1 two ends is equal in length, and the reach b of thread section 1-1 is 42mm～65mm.
The reach b of thread section 1-1 described in the utility model is the arc length L of arc screw rod 1
10.067～0.081 times.
As shown in Figure 2, the diameter of section ds of the bow section 1-2 of arc screw rod 1 described in the utility model is 22mm～34mm.The preferred version ds of the diameter of section ds of the bow section 1-2 of described arc screw rod 1 is 27.5mm.
As shown in Figure 2, the screw thread specification d of thread section 1-1 described in the utility model is M24～M36.
As shown in Figure 2, the arc radius R of arc screw rod 1 described in the utility model is 350mm～480mm.
As shown in Figure 2, the arc length L of arc screw rod 1 described in the utility model
1be 617 ± 2mm, the reach b of thread section 1-1 is 42 ± 2mm, and the arc radius R of arc screw rod 1 is 350 ± 0.5mm, and the diameter of section ds of bow section 1-2 is 27.5 ± 0.1mm, and the screw thread specification d of thread section 1-1 is M30.
The utility model is applicable to take carbon steel, alloyed steel etc. as main raw material is machined and the surperficial product obtaining of processing seemingly, is connecting bolt of the present utility model.
The utility model is through the mechanical and physical performance of hydraulic universal testing machine test (model WA-1000B), and it guarantees load >=174kN, and tensile strength meets at >=420MPa, lowest pull load >=236kN.
The utility model is not only convenient to connect arc pipe or body of wall, and favorable rust preventing effect.
Claims (9)
1. a connecting bolt, it is characterized in that: comprise arc screw rod (1), nut (2) and packing ring (3), the thread section (1-1) that described arc screw rod (1) has bow section (1-2) and stretches out to two ends, and the thread section (1-1) at arc screw rod (1) two ends overlaps respectively packing ring (3), and thread section (1-1) is threaded with nut (2), the outer surface of described bow section (1-2), thread section (1-1), nut (2) and packing ring (3) is all covered with resin layer (4), the arc length L of described arc screw rod (1)
1for 520mm～965mm.
2. connecting bolt according to claim 1, is characterized in that: described resin layer (4) is zinc-plated resin layer, or Zinc-Chromium film resin layer, and the thickness of described resin layer (4) is 7～12um.
3. connecting bolt according to claim 1, is characterized in that: the arc length L of the bow section (1-2) of described arc screw rod (1)
2for 440mm～833mm.
4. connecting bolt according to claim 1, is characterized in that: the thread section (1-1) at described arc screw rod (1) two ends equal in length, and the reach b of thread section (1-1) is 42mm～65mm.
5. connecting bolt according to claim 1, is characterized in that: the reach b of described thread section (1-1) is the arc length L of arc screw rod (1)
10.067～0.081 times.
6. connecting bolt according to claim 1, is characterized in that: the diameter of section ds of the bow section (1-2) of described arc screw rod (1) is 22 mm～34mm.
7. connecting bolt according to claim 6, is characterized in that: the screw thread specification d of described thread section (1-1) is M24～M36.
8. connecting bolt according to claim 1, is characterized in that: the arc radius R of described arc screw rod (1) is 350mm～480mm.
9. connecting bolt according to claim 1 and 2, is characterized in that: the arc length L of described arc screw rod (1)
1be 617 ± 2mm, the reach b of thread section (1-1) is 42 ± 2mm, and the arc radius R of arc screw rod (1) is 350 ± 0.5mm, and the diameter of section ds of bow section (1-2) is 27.5 ± 0.1mm, and the screw thread specification d of thread section (1-1) is M30.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420237072.3U CN203822804U (en) | 2014-05-09 | 2014-05-09 | Connecting bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420237072.3U CN203822804U (en) | 2014-05-09 | 2014-05-09 | Connecting bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203822804U true CN203822804U (en) | 2014-09-10 |
Family
ID=51478313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420237072.3U Expired - Fee Related CN203822804U (en) | 2014-05-09 | 2014-05-09 | Connecting bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203822804U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422560A (en) * | 2016-01-15 | 2016-03-23 | 常州工学院 | Connecting member |
| CN107034794A (en) * | 2017-05-24 | 2017-08-11 | 福州大学 | A kind of bracing means and its application method |
-
2014
- 2014-05-09 CN CN201420237072.3U patent/CN203822804U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105422560A (en) * | 2016-01-15 | 2016-03-23 | 常州工学院 | Connecting member |
| CN107034794A (en) * | 2017-05-24 | 2017-08-11 | 福州大学 | A kind of bracing means and its application method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 Termination date: 20160509 |