CN206072063U - Screw - Google Patents

Abstract

The utility model discloses a kind of screw, including blind nut and the screw rod with blind nut one, described blind nut upper surface is provided with hex(agonal)screw head, and described hex(agonal)screw head surface is provided with interior hexagonal screw, a word or cross screw are additionally provided with described hexagon socket head cap screw hole.So enable us there can be three kinds of modes to turn on, it is to avoid above-mentioned any one structural wear skids the result for causing to be difficult to turn on.

Description

Screw

Technical field

This utility model is related to a kind of screw, specifically a kind of screw for preventing abrasion skidding rust protection.

Background technology

Screw is generally divided into " word ", " cross ", " interior hexagonal ", " outer-hexagonal " equal-specification, and in some fields, screw needs Frequently dismount, its corner can be caused to wear and tear, skidded, lead to not the situation backed out, affect operation.

Also, under external environment influence, screw gets rusty with parts, cause the two rust dead, it is impossible to back out.

Utility model content

To overcome the defect of prior art, the purpose of this utility model is to provide a kind of screw, improves working (machining) efficiency, Bending quality is ensure that, this utility model is realized by following means：

A kind of screw, including blind nut and the screw rod with blind nut one, described blind nut upper surface are provided with hex(agonal)screw head, Described hex(agonal)screw head surface is provided with interior hexagonal screw, and a word or cross screw are additionally provided with described hexagon socket head cap screw hole. So enable us there can be three kinds of modes to turn on, it is to avoid above-mentioned any one structural wear skids the knot for causing to be difficult to turn on Really.

Certainly, described hex(agonal)screw head and/or interior hexagonal screw can also be anistree screw terminal and/or interior anistree spiral shell Hole, or other forms generally in the art.

Further, described blind nut lower surface is provided with rubber blanket, it is to avoid due to the time too long or other environmental factorss are drawn The screw for rising gets rusty with component surface, causes the situation for dying in an accident or political incident to turn on of becoming rusty.

Further, described screw rod upper end ring is provided with for fixing the fixing groove of the rubber blanket.

Further, described rubber blanket external diameter r is less than blind nut radius R.

Further, the edge of described blind nut lower surface is provided with some protuberances, and the inward flange of the protuberance is linked to be Circle of the radius equal to rubber blanket external diameter r.

Further, thickness of the raised height of described protuberance less than rubber blanket.

This utility model by three kinds of modes, and can be turned on or be fastened by three kinds of instruments, it is to avoid a certain knot The consequence that cannot be used caused by structure stripped thread or shortage instrument.And by increasing rubber blanket, it is to avoid screw rust is dead, except this In addition, screw is kept to be not easy to incline when rubber blanket is conducive to the turn of the screw with protuberance, can also put to overexert causes to slide The generation of silk phenomenon.

Description of the drawings：

Fig. 1 is blind nut surface structure schematic diagram of the present utility model；

Fig. 2 is blind nut lower surface configuration schematic diagram of the present utility model；

Fig. 3 is this utility model structure sectional view.

Specific embodiment：

In order that those skilled in the art more fully understands the technical solution of the utility model, with reference to embodiment pair This utility model is described further：

As Figure 1-3, a kind of screw, including blind nut 1 and the screw rod 2 with 1 one of blind nut, described 1 upper table of blind nut Face is provided with hex(agonal)screw head 3, and described 3 head surface of hex(agonal)screw is provided with interior hexagonal screw 4, in described hexagon socket head cap screw hole 4 It is additionally provided with a word or cross screw 5.So enable us there can be three kinds of modes to turn on, it is to avoid above-mentioned any one structure mill Damage the result for causing to be difficult to turn on of skidding.

Certainly, described hex(agonal)screw head 3 and/or interior hexagonal screw 4 can also be anistree screw terminal and/or interior anistree spiral shell Hole, or other forms generally in the art.

Further, described 1 lower surface of blind nut is provided with rubber blanket 6, it is to avoid due to the time too long or other environmental factorss The screw for causing gets rusty with component surface, causes the situation for dying in an accident or political incident to turn on of becoming rusty.

Further, described 2 upper end ring of screw rod is provided with for fixing the fixing groove of the rubber blanket 6.

Further, described 5 external diameter r of rubber blanket is less than 1 radius R of blind nut.

Further, the edge of described 1 lower surface of blind nut is provided with some protuberances 7, and the inward flange of the protuberance 7 connects The circle of rubber blanket external diameter r is equal to into radius.

Further, thickness of the raised height of described protuberance less than rubber blanket.

Only some one exemplary embodiments of the present utility model are described by way of explanation above, undoubtedly, for One of ordinary skill in the art, in the case of without departing from this utility model scope, can with a variety of modes to institute The embodiment of description is modified.Therefore, above-mentioned accompanying drawing and description are inherently illustrative, should not be construed as to this practicality The restriction of new claims.

Claims (7)

1. screw, including blind nut and the screw rod with blind nut one, it is characterised in that described blind nut upper surface is provided with hexagonal spiral shell Silk head, described hex(agonal)screw head surface are provided with interior hexagonal screw, are additionally provided with a word or cross in described hexagon socket head cap screw hole Screw.

2. screw according to claim 1, it is characterised in that described hex(agonal)screw head and/or interior hexagonal screw may be used also Think anistree screw terminal and/or interior anistree screw.

3. screw according to claim 1 and 2, it is characterised in that described blind nut lower surface is provided with rubber blanket.

4. screw according to claim 3, it is characterised in that described screw rod upper end ring is provided with for fixed described The fixing groove of rubber blanket.

5. screw according to claim 4, it is characterised in that described rubber blanket external diameter r is less than blind nut radius R.

6. screw according to claim 5, it is characterised in that the edge of described blind nut lower surface is provided with some protrusions Portion, the inward flange of the protuberance are linked to be circle of the radius equal to rubber blanket external diameter r.

7. screw according to claim 6, thickness of the raised height of described protuberance less than rubber blanket.