CN203051377U - Multifunctional special-shaped bolt - Google Patents
Multifunctional special-shaped bolt Download PDFInfo
- Publication number
- CN203051377U CN203051377U CN 201220628211 CN201220628211U CN203051377U CN 203051377 U CN203051377 U CN 203051377U CN 201220628211 CN201220628211 CN 201220628211 CN 201220628211 U CN201220628211 U CN 201220628211U CN 203051377 U CN203051377 U CN 203051377U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- bolt
- multifunctional special
- shaped bolt
- installation
- 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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- Connection Of Plates (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model discloses a multifunctional special-shaped bolt. The multifunctional special-shaped bolt comprises a bolt head and a screw rod, wherein the upper end surface of the bolt head is vertically provided with an installation convex block, the installation convex block is provided with an installation hole, the upper end of the screw rod is a polish rod section, the lower end of the screw rod is a threaded section, and the threaded section is provided with a shallow groove which is parallel to an axis of the screw rod. According to the multifunctional special-shaped bolt disclosed by the utility model, the structure is simple and reasonable, the design of arranging the installation convex block on the upper end surface of the bolt head is adopted, the bolt head which is left on an installation surface after the multifunctional special-shaped bolt is installed is provided with the installation hole, thus other components can be arranged on the installation surface, and the use is convenient; and by adopting the design of arranging the shallow groove on the threaded section of the screw rod, convenience is effectively brought for disassembling operation by adding lubricating oil from the shallow groove when the multifunctional special-shaped bolt is not easily disassembled due to rusting.
Description
Technical field
The utility model relates to a kind of mechanical fastener, is specially a kind of multifunctional special-shaped bolt.
Background technique
Bolt is one of modal fastening piece, and it is made up of head and screw rod.It is cylindric that screw rod is, on have outside thread and can use with nut collocation.Screw bolt and nut uses jointly, can connect and fix two parts that have through hole.And traditional bolt function is single, and after long-time the use, bolt is fixed together with nut because getting rusty easily, and dismounting is convenient inadequately.
The model utility content
The purpose of this utility model provides a kind of multifunctional special-shaped bolt, and is single to solve bolt function traditional in the prior art, and after long-time the use, bolt is fixed together with nut because getting rusty easily, dismantles inadequately problem easily.
For achieving the above object, the technical solution adopted in the utility model is:
A kind of multifunctional special-shaped bolt, include bolt head and screw rod, it is characterized in that: described bolt head upper-end surface vertically is provided with the installation projection, described installation projection is provided with mounting hole, described screw rod upper end is the polished rod section, the lower end is thread section, and described thread section is provided with the shallow slot parallel with screw axis.
Described a kind of multifunctional special-shaped bolt, it is characterized in that: described shallow slot is at least one, and the shallow slot degree of depth is 1-2mm.
The beneficial effects of the utility model are:
The utility model is simple and reasonable, adopts in the bolt head upper-end surface design that projection is installed is set, and the bolt head that bolt is stayed on the attachment face after installing has mounting hole, therefore can miscellaneous part be installed at attachment face, the convenient use; Employing arranges the design of shallow slot in the screw flight section, when not quick detachable because get rusty when bolt, can add lubricant oil from shallow slot, thereby make things convenient for disassembling section effectively.
Description of drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in Figure 1, a kind of multifunctional special-shaped bolt includes bolt head 1 and screw rod 2, bolt head 1 upper-end surface vertically is provided with installs projection 3, projection 3 is installed is provided with mounting hole 4, and screw rod 2 upper ends are polished rod section 5, the lower end is thread section 6, and thread section 6 is provided with the shallow slot 7 parallel with screw rod 2 axis.
Shallow slot 7 is at least one, and shallow slot 7 degree of depth are 1-2mm.
Claims (2)
1. multifunctional special-shaped bolt, include bolt head and screw rod, it is characterized in that: described bolt head upper-end surface vertically is provided with the installation projection, described installation projection is provided with mounting hole, described screw rod upper end is the polished rod section, the lower end is thread section, and described thread section is provided with the shallow slot parallel with screw axis.
2. a kind of multifunctional special-shaped bolt according to claim 1, it is characterized in that: described shallow slot is at least one, and the shallow slot degree of depth is 1-2mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220628211 CN203051377U (en) | 2012-11-25 | 2012-11-25 | Multifunctional special-shaped bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220628211 CN203051377U (en) | 2012-11-25 | 2012-11-25 | Multifunctional special-shaped bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203051377U true CN203051377U (en) | 2013-07-10 |
Family
ID=48734335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220628211 Expired - Fee Related CN203051377U (en) | 2012-11-25 | 2012-11-25 | Multifunctional special-shaped bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203051377U (en) |
-
2012
- 2012-11-25 CN CN 201220628211 patent/CN203051377U/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 | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20131125 |