CN2416272Y - Knocking mounting expansion nail - Google Patents
Knocking mounting expansion nail Download PDFInfo
- Publication number
- CN2416272Y CN2416272Y CN 00217379 CN00217379U CN2416272Y CN 2416272 Y CN2416272 Y CN 2416272Y CN 00217379 CN00217379 CN 00217379 CN 00217379 U CN00217379 U CN 00217379U CN 2416272 Y CN2416272 Y CN 2416272Y
- Authority
- CN
- China
- Prior art keywords
- screw
- area
- expandable nail
- sleeve barrel
- screw head
- 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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- Joining Of Building Structures In Genera (AREA)
Abstract
The utility model relates to a knocking mounting expansion nail, which comprises an outer sleeve barrel and an inner screw which is arranged in the sleeve barrel. The outer sleeve barrel comprises a head area which is provided with a plurality of reinforcing ribs, the outer sleeve barrel is provided with a multi-stage reverse tooth shape corrugated expansion area, and the outer sleeve barrel forms a linear type groove to divide the expansion area into two sheets and a sleeve barrel inner hole which is composed of a screw lead-in area and a deformation area. The hole diameter of the deformation area is smaller than that of the lead-in area. The operating procedure is that a hole is drilled, the sleeve barrel and an inner screw assembly are put in the hole, and the screw is hammered to the surface plane of installation parts. Compared with the traditional installation mode, the utility model has time saving, large stretching resistance and reliable installation.
Description
The utility model relates to a kind of expandable nail, and the expandable nail of usefulness is installed during particularly a kind of interior decoration.
At present, generally still adopt dowel to join the conventional mounting mode of iron nail in the interior decoration engineering.This operating type need hole, cut the system dowel, dowel be knocked in a plurality of steps such as body of wall and screw-in WOOD SCREWS so operation more complicated.Because dowel is rotten damage of moisture-sensitive and screw easy-to-rust last a very long time, this traditional dowel fastening means can't guarantee the stability of its fastness.In addition, in practice of construction, the operating personnel is owing to follow the line of least resistance or rob cause such as work to tight deadlines and usually will require to screw in the WOOD SCREWS of tightening and directly adopt the hammering mode to install, and this has just further destroyed the reliability of installing.Such problem is particularly outstanding installing of family's foot level grill (keel): if defectiveness of dowel own and workmen hammer into shape into screw with the nail mode of hitting, the problem that grid is loosening and trample the sound will appear in floor soon that then install.At present also some engineering adopts iron expansion reinforced grille or solves with the cement way that grid is fixing and follows closely insecure problem with dowel and general floorings merely, but this method is time-consuming or be not applicable to house decoration, and must wait to do as the way of cement stabilization after two months could laying floor.
The purpose of this utility model provides a kind of simple and convenient and can guarantee the installation expandable nail of construction quality and operational safety of constructing.
For achieving the above object, the expandable nail that the utility model provides a kind of employing mode of knocking to install, it comprises an outer sleeve and is provided in its inner internal screw that be characterized in that described outer sleeve comprises: one has the head zone of a plurality of stiffening ribs; Be provided with the expansion area of the multistage shape ripple of setting one's teeth on edge, described expansion area be formed with one from its end diameter beginning to cephalad direction extend and the straight line type groove that stops at described two regional intersections described expansion area is divided into the sleeve endoporus that two slit bamboo or chopped woods and are made up of screw Lead-In Area and deformation district, the aperture in described deformation district is less than the aperture of Lead-In Area.
The further characteristics of the expandable nail that employing knocking type of the present utility model is installed are: the top of described straight line type groove is provided with a stress hole; The described screw head of described internal screw is provided with cross recess; The diameter that the edge thickening of screw head forms a circle boss and screw head is bigger by 25% than plain screw head diameter; And the thread of the helical thread portion of internal screw is a buttress screw thread.
Adopt said structure of the present utility model,, can prevent to be absorbed in when sleeve from putting into the hole, can when adopting the screw-in mounting type, prevent that sleeve itself is driven to rotate simultaneously because head is provided with stiffening rib; Because the thread external diameter of screw adds the internal diameter that the sleeve wall thickness is holed on the body of wall, this just forces the expansion area of sleeve to produce distortion porthole is produced sizable pressure, and friction factor that corrugated regions produces just can generate considerable stretching resistance to cooperate sleeve to set one's teeth on edge again; Because straight line type groove top is provided with the stress hole, can prevent the sleeve deformation process middle sleeve stress rupture of originally experiencing; And screw head adopts diameter and the heavy-edge structure bigger than sleeve head that it and the area of contact of assembling set are increased, and it is extremely equal with grid to be easier to hammering simultaneously when grid is installed.In a word, convenient and time-saving during expandable nail construction that knocking type of the present utility model is installed, and guarantee reliable tension and torsional property, show through check: its tensile strength surpasses 3,000 newton, is tens times of traditional plastic expansion pipe.
Specify the utility model one preferred embodiment below with reference to accompanying drawings, so that more clearly understand the purpose of this utility model, characteristics and advantage.
Fig. 1 is the plan view of the outer sleeve of the expandable nail installed of the knocking type of the utility model one specific embodiment;
Fig. 2 is the side view of outer sleeve shown in Figure 1;
Fig. 3 is the sectional view of being got along the A-A line of Fig. 1;
Fig. 4 is the plan view of the internal screw of the expandable nail installed of the knocking type of the utility model one specific embodiment;
Fig. 5 is the partial enlarged drawing at D position among Fig. 4;
Fig. 6 is along the end elevation shown in the B direction among Fig. 4; And
Fig. 7 is along the end elevation shown in the C direction among Fig. 4.
As shown in the figure, the expandable nail that the knocking type of the utility model one preferred embodiment is installed, it comprises an outer sleeve 14 and is provided in its inner internal screw 15.Outer sleeve 14 comprises: one has the head zone 11 of a plurality of (for example being four in the present embodiment) stiffening rib 1; Be provided with the expansion area 12 of the multistage shape ripple 2 of setting one's teeth on edge, described expansion area 12 be formed with one from its end diameter beginning to cephalad direction extend and the straight line type groove 3 that stops at described two zones 11,12 intersections so that described expansion area 12 is divided into two slit bamboo or chopped woods, the top of straight line type groove 3 is provided with a stress hole 4; And a sleeve endoporus of forming by screw Lead-In Area 5 and deformation district 6, the aperture in described deformation district 6 is less than the aperture of Lead-In Area 5, and the screw Lead-In Area 5 of sleeve endoporus is formed with internal thread 7; The screw head 8 of internal screw 15 is provided with the spinning in and out that cross recess 9 is convenient to screw, its edge thickening forms a circle boss, and the diameter of screw head 8 is bigger by 25% than plain screw head diameter, thereby the area of contact that can increase screw head and assembling set produces bigger pressure, and make in purposes such as ground grid is installed and be easier to hammering to equal with wooden grid, helical thread portion 13 forms buttress screw thread 10, can guarantee on the one hand to go into the phenomenon that can not produce sharp thread damage sleeve lining when mode is installed, guarantee on the other hand when the screw-in mode is installed, still can normally use at hammer.Internal screw 15 can be made with metal or the higher material of other intensity.
The operating process of adopting above-mentioned expandable nail to install is: assembly, the hammering screw of holing, put into sleeve 14 and internal screw 15 are extremely equal with the assembling set surface.This mode of operation is compared with traditional mounting type and is conveniently saved time manyly.Expand to each square metre, each piece terrace, each engineering the man-hour that one piece of screw of every installation is saved, and will be converted into very considerable economic undoubtedly.It can be widely used for joining as dowel in the interior decoration engineering alternative of the conventional mounting mode of iron nail, can be widely used in foot level grill, aluminium-alloy door or window, plastic-steel door and window, furred ceiling, hanging cupboard, light fixture, curtain frame, kitchen furniture and pipeline wiring etc. purposes is installed.
Claims (7)
1. the expandable nail installed of a knocking type, it comprises an outer sleeve and is provided in its inner internal screw that it is characterized in that described outer sleeve comprises: one has the head zone of a plurality of stiffening ribs; Be provided with the expansion area of the multistage shape ripple of setting one's teeth on edge, described expansion area be formed with one from its end diameter beginning to cephalad direction extend and the straight line type groove that stops at described two regional intersections described expansion area is divided into the sleeve endoporus that two slit bamboo or chopped woods and are made up of screw Lead-In Area and deformation district, the aperture in described deformation district is less than the aperture of Lead-In Area.
2. the expandable nail that knocking type as claimed in claim 1 is installed is characterized in that the top of described straight line type groove is provided with a stress hole.
3. the expandable nail that knocking type as claimed in claim 1 or 2 is installed is characterized in that the described screw head of described internal screw is provided with cross recess.
4. the expandable nail that knocking type as claimed in claim 1 or 2 is installed is characterized in that, the diameter that the edge thickening of screw head forms a circle boss and screw head is bigger by 25% than plain screw head diameter.
5. the expandable nail that knocking type as claimed in claim 3 is installed is characterized in that, the diameter that the edge thickening of screw head forms a circle boss and screw head is bigger by 25% than plain screw head diameter.
6. the expandable nail that knocking type as claimed in claim 1 or 2 is installed is characterized in that the thread of the helical thread portion of described internal screw is a buttress screw thread.
7. the expandable nail that knocking type as claimed in claim 1 or 2 is installed is characterized in that described internal screw is made with metal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00217379 CN2416272Y (en) | 2000-04-24 | 2000-04-24 | Knocking mounting expansion nail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00217379 CN2416272Y (en) | 2000-04-24 | 2000-04-24 | Knocking mounting expansion nail |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2416272Y true CN2416272Y (en) | 2001-01-24 |
Family
ID=33582934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00217379 Expired - Fee Related CN2416272Y (en) | 2000-04-24 | 2000-04-24 | Knocking mounting expansion nail |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2416272Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061220A (en) * | 2014-06-24 | 2014-09-24 | 黄传勇 | Expansion bolt installed by using hammering way |
| CN104632818A (en) * | 2015-01-15 | 2015-05-20 | 徐存然 | Expansion swivel nut |
| CN110374973A (en) * | 2019-08-22 | 2019-10-25 | 闫自超 | A kind of detachable expansion nail |
-
2000
- 2000-04-24 CN CN 00217379 patent/CN2416272Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104061220A (en) * | 2014-06-24 | 2014-09-24 | 黄传勇 | Expansion bolt installed by using hammering way |
| CN104632818A (en) * | 2015-01-15 | 2015-05-20 | 徐存然 | Expansion swivel nut |
| CN110374973A (en) * | 2019-08-22 | 2019-10-25 | 闫自超 | A kind of detachable expansion nail |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |