CN201507525U - Anti-drop screw kit - Google Patents
Anti-drop screw kit Download PDFInfo
- Publication number
- CN201507525U CN201507525U CN2009201730877U CN200920173087U CN201507525U CN 201507525 U CN201507525 U CN 201507525U CN 2009201730877 U CN2009201730877 U CN 2009201730877U CN 200920173087 U CN200920173087 U CN 200920173087U CN 201507525 U CN201507525 U CN 201507525U
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- Prior art keywords
- lost
- screw
- pad
- external member
- drop
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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 - Lifetime
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Abstract
The embodiment of the utility model provides an anti-drop screw kit, which comprises a screw head and a screw stud, and further comprises an anti-drop gasket made of elastic material; one end of the anti-drop gasket is sleeved on the screw stud; and an anti-drop buckle made of rigid or elastic material is connected to the other end of the anti-drop gasket and is used for fixing the other end of the anti-drop gasket onto a device to be installed on the anti-drop screw kit. The embodiment of the utility model adopts the technical scheme that the anti-drop buckle fixes the anti-drop gasket and the device to be installed, thereby preventing the anti-drop gasket from rotating along with a screw, avoiding the interference upon the installation, and improving the convenience of the screw tightening operation.
Description
Technical field
The utility model embodiment relates to the mechanical structure technology, relates in particular to a kind of anti-lost screw external member.
Background technique
Screw is the common part that is used for fixing, and under situations such as high-lift operation, installation has proposed anti-requirement of dropping to screw.For example, at far-end RF module (Remote Radio Unit; Hereinafter to be referred as: RRU) going up design has the module earthing screw, is used for link block shell and ground, guarantees releasing of thunder-strike current.RRU is installed in eminence usually, and urgent screw on tower must have anti-lost design when promptly tightening screw, prevent that screw from dropping from tower, the one, prevent that screw from dropping from high tower and injure people under the tower by a crashing object, the 2nd, after dropping, need find on the screw tower weight newly to install, very trouble.
The anti-scheme that drops of existing screw is to adopt plastic sheet to be set on the screw, with rope plastic sheet is tied up on RRU again.But in carrying out research process, the inventor finds that there is following defective in this structural design: in tightening the process of screw, plastic sheet can rotate with screw, and rope is wrapped on the screw, causes operation inconvenience, for the situation of high-altitude application, this especially increases the difficulty and the time of operation.
The model utility content
The utility model embodiment provides a kind of anti-lost screw external member, the convenience when to improve anti-lost screw being installed.
The utility model embodiment provides a kind of anti-lost screw external member, comprises screw, and wherein said screw comprises screw head and double-screw bolt, wherein, also comprises:
Anti-lost pad, the one end is set on the double-screw bolt;
Anti-lost button is connected the other end of described anti-lost pad, is used for the other end of described anti-lost pad is fixed on described anti-lost screw external member equipment to be installed.
By above technological scheme as can be known, the utility model embodiment's technological scheme is with fixing anti-lost pad of anti-lost button and equipment to be installed, can avoid anti-lost pad to transfer to rotate, avoid interference, improve the convenience of screw-driving operation fitting operation with screw threads.
Description of drawings
The structural representation of the anti-lost screw external member that Fig. 1 provides for the utility model embodiment one;
The structural representation of the anti-lost screw external member installment state that Fig. 2 provides for the utility model embodiment one.
Embodiment
Also in conjunction with the accompanying drawings the utility model is described in further detail below by specific embodiment.
Embodiment one
The structural representation of the anti-lost screw external member installment state that the structural representation of the anti-lost screw external member that Fig. 1 provides for the utility model embodiment one, Fig. 2 provide for the utility model embodiment one.In the present embodiment, anti-lost screw external member comprises screw, and wherein screw comprises screw head 1 and double-screw bolt 2, and anti-lost screw external member also comprises anti-lost pad 3 and anti-lostly buckles 5.Wherein, anti-lost pad 3 adopts elastic material to make, and the one end is set on the double-screw bolt 2.Anti-lost button 5 adopts rigidity or elastic material to make, and is the plastics button for example, is connected the other end of anti-lost pad 3, is used for the other end of anti-lost pad 3 is fixed on anti-lost screw external member equipment to be installed.The Placement of anti-lost button 5 and anti-lost pad 3 has multiple, and a kind of concrete Connecting format as shown in Figure 1 is, anti-lost button 5 is the buckle of a pin shape, and through hole 6 and the hole on the equipment to be installed that can pass anti-lost pad 3 the other ends fix anti-lost pad 3.
Adopt the technological scheme of present embodiment, anti-lost pad 3 is fixed on the equipment to be installed, anti-lost pad 3 is no longer rotated along with the rotation of screw with anti-lost button 5.The specific design form of anti-lost button 5 can have multiple, be illustrated in figure 1 as the buckle of a pin shape, through hole 6 and the hole on the equipment to be installed of passing anti-lost pad 3 the other ends fix anti-lost pad 3, referring to shown in Figure 2, equipment to be installed can be RRU in the present embodiment, also can be other communications equipment.Adopt technique scheme, by anti-lost pad 3 with anti-lostly buckle 5 double-screw bolt 2 is fixed on the equipment to be installed, thereby can realize the anti-lost function of screw.Optionally, anti-lost pad 3 can be pad flexible, that have definite shape, anti-lost button 5 is also for adopting rigidity or elastic material to make, then the relative fixed position between double-screw bolt 2 and the equipment to be installed is by anti-lost pad 3 with anti-lostly buckle 5 and keep, the pad that is produced in the time of can avoiding the cotton rope of available technology adopting on-fixed shape to fix with the screw rotation, twine and cause unhandy problem, so the anti-lost screw external member of present embodiment can be avoided the interference to screw rotation fitting operation, improved the convenience of screw-driving operation.
The design form of anti-lost button 5 can also have multiple, and it is first-class for example to be clamped in equipment to be installed with the form of clip, as long as can be with the fixed-site of anti-lost pad 3 one ends on equipment to be installed.
In concrete the application, all right sheathed bullet pad 8 plays elastic buffer, the effect that reduces wear on the double-screw bolt 2.
On the basis of technique scheme, anti-lost screw external member can also comprise flat gasket 4, is set on the double-screw bolt 2, is arranged on the one or both sides of anti-lost pad 3.Preferably, anti-lost screw external member can comprise two flat gaskets 4, is set on the double-screw bolt 2, is separately positioned on the both sides of anti-lost pad 3, and anti-lost pad 3 is clipped in the middle.Flat gasket 4 can adopt the metallic shim of standard.The quantity of flat gasket 4 also can be for more than two, and the both sides of anti-lost pad 3 can be provided with a plurality of flat gaskets 4 anti-lost pad 3 is fixed on the double-screw bolt 2, prevent to come off.
The technological scheme of present embodiment is owing to adopt two flat gaskets 4 that anti-lost pad 3 is clamped in wherein, can keep anti-lost pad 3 to be set in a end on the double-screw bolt 2 substantially perpendicular to the state of double-screw bolt 2, make the resiliently deformable of anti-lost pad 3 internal diameter shapes reduce, thereby can reduce the surface friction drag of 3 pairs of screw turns of anti-lost pad.Adopt technique scheme, both guaranteed anti-lost pad 3 due resiliently deformables, reduced the friction inhibition of anti-lost pad 3 inner radius resiliently deformables again.
Flat gasket 4 and anti-lost pad 3 further can be embedded between the thread section 7 of screw head 1 and double-screw bolt 2.When manufacturing screw, at first form polished rod, then polished rod is carried out thread rolling and handle the formation screw thread.Present embodiment specifically is earlier flat gasket 4 and anti-lost pad 3 to be set on the polished rod in order before thread rolling forms screw thread, then begins polished rod surface thread rolling is formed screw thread, and the external diameter of the thread section 7 after the thread rolling is greater than the diameter of polished rod part.Flat gasket 4 and anti-lost pad 3 promptly be set in before thread rolling becomes screw thread can effectively avoid flat gasket 4 and anti-lost pad 3 from double-screw bolt 2, to come off on the double-screw bolt 2.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technological scheme that aforementioned each embodiment put down in writing, and perhaps part technical characteristics wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment's technological scheme of the utility model.
Claims (10)
1. an anti-lost screw external member comprises screw, and wherein said screw comprises screw head (1) and double-screw bolt (2), it is characterized in that, also comprises:
Anti-lost pad (3), one end are set on the double-screw bolt (2);
Anti-lost button (5) is connected the other end of described anti-lost pad (3), is used for the other end of described anti-lost pad (3) is fixed on described anti-lost screw external member equipment to be installed.
2. anti-lost screw external member according to claim 1 is characterized in that, also comprises:
Flat gasket (4) is set on the described double-screw bolt (2), is arranged on the one or both sides of described anti-lost pad (3).
3. anti-lost screw external member according to claim 2 is characterized in that: described flat gasket (4) is a metallic shim.
4. anti-lost screw external member according to claim 2 is characterized in that: described flat gasket (4) and described anti-lost pad (3) are embedded between the thread section (7) of described screw head (1) and described double-screw bolt (2).
5. anti-lost screw external member according to claim 1 is characterized in that: described anti-lost pad (3) adopts elastic material to make.
6. anti-lost screw external member according to claim 5 is characterized in that: described anti-lost pad (3) is a plastic spacer.
7. anti-lost screw external member according to claim 1 is characterized in that: described anti-lost button (5) adopts rigidity or elastic material to make.
8. anti-lost screw external member according to claim 7 is characterized in that: described anti-lost button (5) is the plastics button.
9. anti-lost screw external member according to claim 1 is characterized in that: also be arranged with on the described double-screw bolt (2) and play pad (8).
10. anti-lost screw external member according to claim 1 is characterized in that: described anti-lost button (5) is the buckle of a pin shape, is located in the through hole (6) of described anti-lost pad (3) the other end.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009201730877U CN201507525U (en) | 2009-09-08 | 2009-09-08 | Anti-drop screw kit |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009201730877U CN201507525U (en) | 2009-09-08 | 2009-09-08 | Anti-drop screw kit |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201507525U true CN201507525U (en) | 2010-06-16 |
Family
ID=42468651
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2009201730877U Expired - Lifetime CN201507525U (en) | 2009-09-08 | 2009-09-08 | Anti-drop screw kit |
Country Status (1)
Country | Link |
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CN (1) | CN201507525U (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103192011A (en) * | 2013-03-29 | 2013-07-10 | 柳州煜华科技有限公司 | Intelligent full-automatic multi-functional numerical-control thread rolling machine |
CN106312965A (en) * | 2016-10-18 | 2017-01-11 | 无锡蕾菲赛尔机械科技有限公司 | Workbench with tool screw fixing devices |
CN106763069A (en) * | 2016-12-16 | 2017-05-31 | 无锡市汤成机电配件厂 | The screw of the viscous bandage of band |
CN107387528A (en) * | 2017-08-03 | 2017-11-24 | 上海空间推进研究所 | A kind of airspace engine protective cover |
CN109630526A (en) * | 2018-12-13 | 2019-04-16 | 广东省交通规划设计研究院股份有限公司 | Connection component, high-altitude retention mechanism and connection component assembly method |
CN110131277A (en) * | 2019-06-10 | 2019-08-16 | 海盐县秦山橡胶厂 | A kind of stud of oil drilling platform fixation |
-
2009
- 2009-09-08 CN CN2009201730877U patent/CN201507525U/en not_active Expired - Lifetime
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103192011A (en) * | 2013-03-29 | 2013-07-10 | 柳州煜华科技有限公司 | Intelligent full-automatic multi-functional numerical-control thread rolling machine |
CN103192011B (en) * | 2013-03-29 | 2016-11-23 | 柳州煜华科技有限公司 | A kind of Intelligent full-automatic multi-functional numerical-control thread rolling machine |
CN106312965A (en) * | 2016-10-18 | 2017-01-11 | 无锡蕾菲赛尔机械科技有限公司 | Workbench with tool screw fixing devices |
CN106763069A (en) * | 2016-12-16 | 2017-05-31 | 无锡市汤成机电配件厂 | The screw of the viscous bandage of band |
CN107387528A (en) * | 2017-08-03 | 2017-11-24 | 上海空间推进研究所 | A kind of airspace engine protective cover |
CN109630526A (en) * | 2018-12-13 | 2019-04-16 | 广东省交通规划设计研究院股份有限公司 | Connection component, high-altitude retention mechanism and connection component assembly method |
CN110131277A (en) * | 2019-06-10 | 2019-08-16 | 海盐县秦山橡胶厂 | A kind of stud of oil drilling platform fixation |
CN110131277B (en) * | 2019-06-10 | 2021-11-09 | 嘉兴三喜新材料有限公司 | Oil drilling platform is with fixed firm double-screw bolt |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CX01 | Expiry of patent term |
Granted publication date: 20100616 |
|
CX01 | Expiry of patent term |