CN201786853U - Screw - Google Patents
Screw Download PDFInfo
- Publication number
- CN201786853U CN201786853U CN2010202902021U CN201020290202U CN201786853U CN 201786853 U CN201786853 U CN 201786853U CN 2010202902021 U CN2010202902021 U CN 2010202902021U CN 201020290202 U CN201020290202 U CN 201020290202U CN 201786853 U CN201786853 U CN 201786853U
- Authority
- CN
- China
- Prior art keywords
- screw
- spiral shell
- shell head
- screw head
- screw rod
- 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
Links
- 238000009434 installation Methods 0.000 abstract description 3
- 125000006850 spacer group Chemical group 0.000 description 2
- 230000002950 deficient Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a screw, which comprises a screw rod (1), a screw head (2) and a conical gasket (3). The screw rod (1) is fully threaded, the outline of the cross section of the screw head (2) is regularly pentagonal, the conical gasket arranged at the inner end of the screw head (2) and the screw head (2) are in an integrally formed structure, and the outer diameter of one end, far away from the screw head (2), of the conical gasket (3) is larger than that of the end, close to the screw head (2), of the conical gasket (3). The screw is difficult for slipping when being screwed or loosened by the aid of a wrench, is difficult for damaging the surface of a product by pressing when fastening the product, and is high in installation efficiency.
Description
Technical field
The utility model relates to a kind of fastening piece, specifically is a kind of screw.
Background technique
The structure of full thread screw generally comprises the screw rod of spiral shell head and Full Thread FT, and the full thread screw that generally uses generally is the standard piece of fastening piece at present, and the spiral shell head is generally hexagonal spiral shell header structure.When tightening by adjustable spanner or unclamping screw, because the area of contact of spanner and spiral shell head is little, if exert oneself excessive or overexert to damage the outer corner angle of spiral shell head, the spanner skidding appears.In addition, with the fastening product of screw the time, need on screw rod, overlap a cylindrical spacer usually, be used for preventing that the surface of fastened product is not by the compressive strain of spiral shell head.This pad and screw rod are separated, in use, earlier pad to be enclosed within on the screw rod, and then fastening product.If the staff forgets the cover pad because of carelessness, will in fastening product, weigh product surface wounded so; In addition, when high-lift operation, the staff takes spanner on the other hand, also wants the socket pad in addition, staff's high-lift operation is bothered very much, the inefficiency of installation.
The model utility content
The technical problems to be solved in the utility model is, overcomes the defective of above prior art, provides a kind of being difficult for when screwing up with a wrench or unclamp screw to skid, and is difficult for damaging by pressure product surface, the screw that installation efficiency is high during fastening product.
Technical solution of the present utility model is, a kind of screw with following structure is provided: it comprises screw rod and spiral shell head, described screw rod is a full flight screw, the cross section external frame of described spiral shell head is a regular pentagon, it also comprises a taper pad that is arranged on spiral shell head the inner, described taper pad and the spiral shell head structure that is formed in one, and the taper pad away from the outside dimension of an end of spiral shell head greater than the outside dimension of taper pad near an end of spiral shell head.
After adopting above structure, the utility model screw compared with prior art, have the following advantages: the cross section external frame of the spiral shell head of this screw is a regular pentagon, when using five jiaos of special spanners to tighten or unclamping screw, the clamping part of five jiaos of spanners clamps five sidewalls of spiral shell head, the torsion branch that makes spanner is on the outer side wall of whole spiral shell head, and spanner just can not skid like this; The inner of spiral shell head also connects a taper pad in addition; this taper pad and the spiral shell head structure that is formed in one; when completed knocked down products; socket pad again; improved packaging efficiency like this; cylindrical spacer has increased the area of contact of spiral shell head and product surface simultaneously, makes the surface of product be difficult for being damaged by pressure by the spiral shell head, has well protected the surface of product.
Description of drawings
Fig. 1 is the structural representation of the utility model screw.
Fig. 2 is the right TV structure schematic representation of the utility model screw.
As shown in the figure:
1, screw rod, 2, the spiral shell head, 3, the taper pad.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is described in further detail.
As shown in Figure 1 and Figure 2.
A kind of screw of the utility model, it comprises screw rod 1 and spiral shell head 2, described screw rod 1 is a full flight screw, the cross section external frame of described spiral shell head 2 is a regular pentagon, it also comprises a taper pad 3 that is arranged on spiral shell head 2 the inners, described taper pad 3 and spiral shell head 2 structure that is formed in one, and taper pad 3 away from the outside dimension of an end of spiral shell head 2 greater than the outside dimension of taper pad 3 near an end of spiral shell heads 2.
Claims (1)
1. screw, it comprises screw rod (1) and spiral shell head (2), it is characterized in that: described screw rod (1) is a full flight screw, the cross section external frame of described spiral shell head (2) is a regular pentagon, it comprises that also is arranged on the inner taper pad (3) of spiral shell head (2), described taper pad (3) and spiral shell head (2) structure that is formed in one, and taper pad (3) away from the outside dimension of an end of spiral shell head (2) greater than the outside dimension of taper pad (3) near an end of spiral shell head (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202902021U CN201786853U (en) | 2010-08-09 | 2010-08-09 | Screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202902021U CN201786853U (en) | 2010-08-09 | 2010-08-09 | Screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201786853U true CN201786853U (en) | 2011-04-06 |
Family
ID=43818818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202902021U Expired - Fee Related CN201786853U (en) | 2010-08-09 | 2010-08-09 | Screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201786853U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224347A (en) * | 2016-08-27 | 2016-12-14 | 常州市耀华仪器有限公司 | Mapping equipment Elastic Bolts |
-
2010
- 2010-08-09 CN CN2010202902021U patent/CN201786853U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106224347A (en) * | 2016-08-27 | 2016-12-14 | 常州市耀华仪器有限公司 | Mapping equipment Elastic Bolts |
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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: 20110406 Termination date: 20140809 |
|
| EXPY | Termination of patent right or utility model |