CN203201969U - Novel combined screw - Google Patents
Novel combined screw Download PDFInfo
- Publication number
- CN203201969U CN203201969U CN 201320099795 CN201320099795U CN203201969U CN 203201969 U CN203201969 U CN 203201969U CN 201320099795 CN201320099795 CN 201320099795 CN 201320099795 U CN201320099795 U CN 201320099795U CN 203201969 U CN203201969 U CN 203201969U
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- CN
- China
- Prior art keywords
- screw
- nut
- diameter
- screw rod
- pad
- 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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Abstract
The utility model discloses a novel combined screw which comprises a nut and a screw rod, wherein a gasket and an elastic slice are arranged between the nut and the screw rod, a thread is arranged on the screw rod, a cross groove is formed in the nut, the elastic sheet is an annular metal sheet which is screwed by a circle, the diameter of the elastic slice is smaller than that of the nut, and the diameter of the inner ring of the elastic slice is larger than that of the thread. The contact face between the nut and an object can be enlarged through the gasket, and the screw can make tighter and firmer contact with the object through the elastic slice.
Description
Technical field
The utility model relates to the hardware field, is specifically related to a kind of improvement shape SEM screw SEM Scr.
Background technique
Existing screw is to utilize the inclined-plane circular rotating of object and physics and the mathematical principle of frictional force, the by easy stages instrument of fastening implements parts.Screw is industrial necessity indispensable in the daily life: such as the minimum screw of the uses such as photographic camera, glasses, clock and watch, electronics; The general screw of TV, electric product, musical instrument, furniture etc.; Then use large-scale screw, nut as for engineering, building, bridge, traffic tool, aircraft, electric car, automobile etc. then are large primary screw and use.Screw is in the industrial vital task of bearing, as long as exist industry on the earth, then the function of screw is forever important.Screw is the over the past thousands of years common invention in people's productive life, and according to application, it is human first invention.
Yet existing screw is in use because the bar of the head of screw and the screw rod between thread section directly greater than screw, so screw rod is to twist in the screw of not entering in thread, causes that screw is gapped with the assembling surface of contact, close-fitting not.Through rocking repeatedly, the axial and radial junction credit union of screw is loosening, and this fixedly is a fatal potential hazard for some key positions.
The model utility content
For the problems referred to above, the utility model aims to provide a kind of novel SEM screw SEM Scr with secure component.
For realizing this technical purpose, scheme of the present utility model is: a kind of novel SEM screw SEM Scr, comprise nut, screw rod, and be provided with a pad and a shell fragment between nut and the screw rod, be provided with screw thread on the screw rod, be provided with cross groove on the nut; Described shell fragment is the spiral annular sheet metal in one week, and the diameter of shell fragment is less than nut, and ring diameter is greater than the diameter of screw thread in the shell fragment.
As preferably, described pad is the tinsel of thick 0.5-1mm, and the pad diameter is greater than the diameter of nut, and ring diameter is slightly larger than the diameter of screw thread in the pad.
The beneficial effects of the utility model, pad can increase the surface of contact of screw cap and object, and it is more closely firm that shell fragment can make screw and object remove.
Description of drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of nut of the present utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further details.
As shown in Figure 1, specific embodiment described in the utility model is a kind of novel SEM screw SEM Scr, comprises nut 1, screw rod 4.Be provided with a pad 3 and a shell fragment 2 between nut 1 and the screw rod 4, be provided with screw thread 6 on the screw rod 4, be provided with cross groove 5 on the nut 1.
As preferably, described shell fragment 2 is the spiral annular sheet metal in one week, and the diameter of shell fragment 2 is slightly less than nut 1, and shell fragment 2 interior ring diameters are slightly larger than the diameter of screw thread 6.
As preferably, described pad 3 is the tinsel of thick 0.5-1mm, and pad 3 diameters are greater than the diameter of nut 1, and pad 3 interior ring diameters are slightly larger than the diameter of screw thread 6.
The above; it only is preferred embodiment of the present utility model; not in order to limiting the utility model, any trickle modification that every foundation technical spirit of the present utility model is done above embodiment, be equal to and replace and improve, all should be included within the protection domain of technical solutions of the utility model.
Claims (2)
1. a novel SEM screw SEM Scr comprises nut, screw rod, it is characterized in that: be provided with a pad and a shell fragment between nut and the screw rod, be provided with screw thread on the screw rod, be provided with cross groove on the nut; Described shell fragment is the spiral annular sheet metal in one week, and the diameter of shell fragment is less than nut, and ring diameter is greater than the diameter of screw thread in the shell fragment.
2. novel SEM screw SEM Scr according to claim 1, it is characterized in that: described pad is the tinsel of thick 0.5-1mm, and the pad diameter is greater than the diameter of nut, and ring diameter is greater than the diameter of screw thread in the pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320099795 CN203201969U (en) | 2013-03-04 | 2013-03-04 | Novel combined screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320099795 CN203201969U (en) | 2013-03-04 | 2013-03-04 | Novel combined screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203201969U true CN203201969U (en) | 2013-09-18 |
Family
ID=49146080
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320099795 Expired - Fee Related CN203201969U (en) | 2013-03-04 | 2013-03-04 | Novel combined screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203201969U (en) |
-
2013
- 2013-03-04 CN CN 201320099795 patent/CN203201969U/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 |
Granted publication date: 20130918 Termination date: 20140304 |