CN204533121U - Carbon steel wire rod screw - Google Patents
Carbon steel wire rod screw Download PDFInfo
- Publication number
- CN204533121U CN204533121U CN201520140044.4U CN201520140044U CN204533121U CN 204533121 U CN204533121 U CN 204533121U CN 201520140044 U CN201520140044 U CN 201520140044U CN 204533121 U CN204533121 U CN 204533121U
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- CN
- China
- Prior art keywords
- steel wire
- carbon steel
- wire rod
- screw rod
- diameter
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- 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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Abstract
The utility model relates to screw field, disclose a kind of carbon steel wire rod screw, comprise straight shape screw rod (1), thread (2), hanging platform (3) and annular knurl (4), four are structure as a whole, wherein, the diameter of described straight shape screw rod (1) is 2.3mm, described thread (2), the diameter of hanging platform (3) and annular knurl (4) is 2.8mm, and described thread (2) and annular knurl (4) lay respectively at the two ends of described straight shape screw rod (1), described hanging platform (3) is positioned at the joint of described thread (2) and described straight shape screw rod (1), and described hanging platform (3) is by from screw rod (1) two ends to centre, extruding is formed.Compared with prior art, the utility model preparation process is very simple, and only needs to use the carbon steel wire rod that diameter is 2.3mm, more saves carbon steel wire rod with needing in prior art to use compared with the carbon steel wire rod of 2.8mm.
Description
Technical field
The utility model relates to screw field, particularly a kind of carbon steel wire rod screw.
Background technique
At present for the interface of fixing display and main frame carbon steel wire rod screw as shown in Figure 1, by screw thread 2, hanging platform 3 forms with the screw rod 1 with step, in order to adapt to the connection with interface, need by diameter be 2.8mm carbon steel wire rod in the middle part of use lathe technics of slot car to become diameter for 2.0mm forming station scalariform, so just forming a part of diameter is 2.0mm, part diameter is the stepped shape screw rod 1 of 2.8mm, then hanging platform 3 is being formed through chamfer angle technique near the 2.8mm diameter place of 2.0mm diameter, screw thread 2 is formed afterwards in this 2.8mm one end threading, if want the frictional force increasing screw rod end, the other end annular knurl technique that can also be 2.8mm at diameter forms annular knurl 4.
Above-mentioned when the carbon steel wire rod car of 2.8mm being become the step of 2.0mm, need to use lathe technics of slot, technique is more complicated, and efficiency is lower, and has just been wasted by the carbon steel wire rod that car falls.
Model utility content
model utility object:for problems of the prior art, the utility model provides a kind of carbon steel wire rod screw, and save carbon steel wire rod, preparation process is simple.
technological scheme:the utility model provides a kind of carbon steel wire rod screw, comprise straight shape screw rod, thread, hanging platform and annular knurl, four are structure as a whole, wherein, the diameter of described straight shape screw rod is 2.3mm, and the diameter of described thread, hanging platform and annular knurl is 2.8mm, and described thread and annular knurl lay respectively at the two ends of described straight shape screw rod, described hanging platform is positioned at the joint of described thread and described straight shape screw rod, and described hanging platform is by from screw rod two ends to centre, extruding is formed.
beneficial effect:when making the carbon steel wire rod screw in the utility model, directly can use the carbon steel wire rod of 2.3mm, first first carbon steel wire rod is cut into Len req, then utilize extrusion process from two ends extruded carbon steel wire rod, its two ends are squeezed into step that diameter is 2.8mm, intermediate portion remains the screw rod of 2.3mm, then carrying out threading formation diameter to one end 2.8mm step is the thread of 2.8mm, a part not threading is left between thread and screw rod, this part just forms hanging platform, annular knurl technique is carried out to other one end 2.8mm step and forms annular knurl, material is thus formed the utility model, finally as required it is electroplated.Visible, the utility model only need through extruding, threading and annular knurl technique, without the need to just the carbon steel wire rod screw being applicable to existing interface can be formed through lathe cut and chamfer angle technique, preparation process is very simple, and the utility model carbon steel wire rod that only needs to use diameter to be 2.3mm, more save carbon steel wire rod with needing in prior art to use compared with the carbon steel wire rod of 2.8mm.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art middle-carbon steel wire rod screw;
Fig. 2 is the structural representation of the utility model middle-carbon steel wire rod screw.
Embodiment
Below in conjunction with accompanying drawing, the utility model preferred embodiment is described in detail.
mode of execution 1:
Be illustrated in figure 2 the structural representation of present embodiment middle-carbon steel wire rod screw, be made up of the thread 2 of straight shape screw rod 1, straight shape screw rod 1 one end and the annular knurl 4 of straight shape screw rod 1 the other end, the joint of thread 2 and straight shape screw rod 1 is also provided with hanging platform 3, wherein, straight shape screw rod 1, thread 2, annular knurl 4 and hanging platform 3 are structure as a whole, straight shape screw rod 1 diameter is 2.3mm, and the diameter of thread 2, annular knurl 4 and hanging platform 3 is 2.8mm, and hanging platform 3 is wherein by from screw rod 1 two ends to centre, extruding is formed.
mode of execution 2:
Present embodiment provides a kind of preparation method of carbon steel wire rod screw, comprises the following steps:
S1: the carbon steel wire rod of cutting Len req.
S2: extrude to centre from the two ends of the above-mentioned carbon steel wire rod cut, until its two ends being squeezed into diameter is 2.8mm, intermediate portion diameter remains 2.3mm, and now, the carbon steel wire rod of middle 2.3mm diameter is straight shape screw rod 1.
S3: be that a wherein end head in the two ends carbon steel wire rod of 2.8mm is carried out threading and formed thread 2 to the diameter formed in S2, should be noted that, will reserve a part in this 2.8mm diameter end and not carry out threading technique, namely this part carbon steel wire rod not carrying out threading technique is hanging platform 3.
S4: annular knurl technique formation annular knurl 4 is implemented to the carbon steel wire rod that the other end diameter formed in S2 is 2.8mm.
So far, whole working process terminates.
Above-mentioned mode of execution, only for technical conceive of the present utility model and feature are described, its object is to person skilled in the art can be understood content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All equivalent transformations of doing according to the utility model Spirit Essence or modification, all should be encompassed within protection domain of the present utility model.
Claims (1)
1. a carbon steel wire rod screw, it is characterized in that, comprise straight shape screw rod (1), thread (2), hanging platform (3) and annular knurl (4), four are structure as a whole, wherein, the diameter of described straight shape screw rod (1) is 2.3mm, described thread (2), the diameter of hanging platform (3) and annular knurl (4) is 2.8mm, and described thread (2) and annular knurl (4) lay respectively at the two ends of described straight shape screw rod (1), described hanging platform (3) is positioned at the joint of described thread (2) and described straight shape screw rod (1), and described hanging platform (3) is by from screw rod (1) two ends to centre, extruding is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520140044.4U CN204533121U (en) | 2015-03-12 | 2015-03-12 | Carbon steel wire rod screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520140044.4U CN204533121U (en) | 2015-03-12 | 2015-03-12 | Carbon steel wire rod screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204533121U true CN204533121U (en) | 2015-08-05 |
Family
ID=53747130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520140044.4U Expired - Fee Related CN204533121U (en) | 2015-03-12 | 2015-03-12 | Carbon steel wire rod screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204533121U (en) |
-
2015
- 2015-03-12 CN CN201520140044.4U patent/CN204533121U/en not_active Expired - Fee Related
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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: 20150805 |