CN2758549Y - Once driving screw - Google Patents
Once driving screw Download PDFInfo
- Publication number
- CN2758549Y CN2758549Y CN 200420104870 CN200420104870U CN2758549Y CN 2758549 Y CN2758549 Y CN 2758549Y CN 200420104870 CN200420104870 CN 200420104870 CN 200420104870 U CN200420104870 U CN 200420104870U CN 2758549 Y CN2758549 Y CN 2758549Y
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- CN
- China
- Prior art keywords
- screw
- packing
- drill bit
- nail
- once
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- Expired - Fee Related
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Abstract
The utility model relates to a one-step tapping screw which comprises a body, a packing screw and a drill, wherein the body is a hollow rod body for holding the packing screw. One end of the packing screw is provided with a conical head which is engaged with a conical bore in the body; the end face of the conical head is provided with a driving gutter used for sheathing a tool; the other end of the packing screw is provided with outer screw threads which are in screw connection with an interior screw hole in the body; the outer screw threads penetrate through the body and lock the drill, and the exterior part of the body is provided with spiral convex teeth; the tool is used for driving the screw during operation, and the drill is used for drilling at a predefined position; the body can be embed in rotary way with the drill, until the head part of the body can not be locked, and the body of the screw is fixed; at this time, the outer screw threads of the packing screw are still screwed in the interior screw hole of the body, the exterior part of body generates outward expansible distortion action, and thus, the screw can be tightly fixed to the predefined position.
Description
Technical field
The utility model relates to the screw of once attacking nail, be widely used in gypsum board, sheet metal, plank, plastic board, the locking work of wall, especially refer in particular to and claim need not prior boring, once can finish boring, the work of locking, this screw is by body, the packing screw, drill bit is formed, wherein this body interior lock is provided with a packing screw, this packing screw outer end is also locked and is provided with a drill bit, hole by this drill bit, simultaneously the screw body is locked in the hole, by of the dilatancy effect of packing screw, allow body can closely be fixed on the precalculated position again to this body generation packing.
Background technique
The screw of use on general gypsum board or wall please be consulted shown in Figure 1: known schematic perspective view.With shown in Figure 2: known user mode schematic representation.Be mainly the boring of the pre-position on gypsum board or wall 1 earlier 2, again plastic screw 3 is squeezed in the hole 2, the last screw 5 of in the screw 4 at screw 3 centers, locking, the effect that expands outwardly that is produced when utilizing screw 5 to lock, allow the location double wedge 6 of screw 3 outsides, can be confined in the hole 2, form stationary state.
But above-mentioned screw commonly used 3 structures, when practical application, boring 2 earlier, screw 3 could be squeezed in the hole 2, again screw 5 is locked in the screw 3 at last, whole process seems that quite trouble is with inconvenient, not only need to prepare driling machine, also need to prepare the Electric screw driver instrument, and screw 3 structures commonly used, even be fixed in the predetermined hole 2, still can't closely fix,, can't be embedded in the hole 2 because the location double wedge 6 of screw 3 outsides only is to expand outwardly a little, have loosening situation unavoidably and take place, for it had both deposited problem and the defective that waits to overcome solution.
Summary of the invention
The purpose of this utility model provides a kind of screw of once attacking nail, and it can simplify construction sequence, improves the fixed effect of screw, and makes screw be difficult for getting loose to drop.
For solving the problems of the technologies described above, the utility model provides a kind of screw of once attacking nail, and it is made up of body, packing screw, drill bit; Wherein this body is a hollow lever, and this body interior is provided with penetration hole, and this body is provided with conical bore at penetration hole one end corresponding to the head place, and this body differs from the head place at the penetration hole the other end and is provided with and can locks the inner bolt hole of establishing for the packing screw; This packing screw one end is provided with the nose cone that coincide with above-mentioned body interior conical bore, the end of this conical surface is provided with and can supplies the sheathed driver slot of instrument, this packing screw the other end is provided with the external screw thread that screws togather with above-mentioned body interior inner bolt hole from the stage casing, this external screw thread passes outside the body, and is provided with drill bit in the end of external screw thread.
Described screw of once attacking nail after wherein this packing screw and drill bit are combined into one earlier, is provided with body in the outside mode of penetrating wrap molding of utilizing of packing screw again, and radial position place of this body in body of rod stage casing simultaneously is provided with the slotted eye that communicates with penetration hole.Wherein this body and packing screw are made by plastic material (nylon), and this drill bit is made by metal material (middle-carbon steel).Wherein the head of this body is provided with and enlarges the retaining edge.Wherein the body of rod outside of this body is provided with the helical double wedge.Wherein the driver slot of this packing screw is a hexagon.Wherein the driver slot of this packing screw is a cross.Wherein the driver slot of this packing screw is an in-line.Wherein this packing screw is provided with external thread section in the end of external screw thread, and this drill bit be provided with at the center can be for external thread section locking all-in-one-piece interior threaded hole.
Advantage of the present utility model and beneficial effect are, the utility model is once attacked the body interior hollow out of the screw of nail, can be for holding a packing screw, the outer end of this packing screw is provided with a drill bit, hole by this drill bit, simultaneously the screw body is locked in the hole,, be need not to use driling machine so can simplify construction sequence; The utility model is once attacked the screw of nail can also be with the body interior hollow out of this screw, make it can supply to hold a packing screw, the outside of this body is provided with the helical double wedge, these body two ends are provided with conical bore and inner bolt hole, the two ends of packing screw correspondence then are provided with identical nose cone and external screw thread, when the packing screw is locked, this body exterior is dilatancy because of the extruding that is subjected to two ends stress, allow the helical double wedge expand outwardly, so can promote the fixed effect of screw, be difficult for getting loose and drop.
Description of drawings
Fig. 1 is the schematic perspective view of known screw.
Fig. 2 is the user mode schematic representation of known screw.
Fig. 3 is the utility model embodiment one a solid combination schematic representation.
Fig. 4 is the utility model embodiment one a perspective exploded view.
Fig. 5 is the utility model embodiment one a cross section combination schematic representation.
Fig. 6 is the utility model embodiment two a solid combination schematic representation.
Fig. 7 is the utility model embodiment two a perspective exploded view.
Fig. 8 is the utility model embodiment two a cross section combination schematic representation.
User mode schematic representation when Fig. 9 is one boring of the utility model reality-Shi example.
User mode schematic representation when Figure 10 locks for the utility model embodiment one.
User mode schematic representation when Figure 11 is the utility model embodiment one expansion.
User mode schematic representation when Figure 12 is the utility model embodiment two expansions.
Wherein, description of reference numerals is as follows:
1 gypsum board or wall 2 holes
3 screws, 4 screws
5 screws, 6 location double wedges
10 bodies 11 enlarge the retaining edge
12 helical double wedges, 13 penetration holes
14 conical bores, 15 inner bolt holes
16 slotted eyes
20 packing screws, 21 nose cones
22 hexagonal driver slot 23 external screw threads
24 external thread sections
30 drill bits, 31 interior threaded holes
40 Electric screw driver instruments, 41 driving heads
50 sheet materials or wall 51 holes
Embodiment
The function and benefit of understanding structure content of the present utility model in depth and can reach for those skilled in the art is easy to is enumerated a specific embodiment at this, and detailed introduction of conjunction with figs. is described as follows:
A kind of screw of once attacking nail please be consulted Fig. 3, shown in Figure 4: the utility model embodiment one solid combination and perspective exploded view.With shown in Figure 5: the utility model embodiment one cross section combination schematic representation.Screw provided by the utility model mainly comprises: body 10, packing screw 20, drill bit 30, wherein:
This body 10 is made by plastics (nylon) material, this body 10 is a hollow lever, this body 10 is provided with at head and enlarges retaining edge 11, this body 10 is provided with helical double wedge 12 in body of rod outside, these body 10 inside are provided with penetration hole 13, this body 10 is provided with conical bore 14 at penetration hole 13 1 ends corresponding to the head place, and this body 10 differs from the head place at penetration hole 13 the other ends and is provided with inner bolt hole 15, as lock the usefulness of establishing a packing screw 20 in penetration hole 13;
This packing screw 20 also is made by plastics (nylon) material, these packing screw 20 1 ends are provided with the nose cone 21 that coincide mutually with above-mentioned body 10 inner circular taper holes 14, and be provided with hexagonal driver slot 22 in the end of conical surface 21, can the power usefulness of hexagon driving head 41 sheathed drivings of moving bottle opener instrument 40, these packing screw 20 the other ends are provided with the external screw thread 23 that screws togather mutually with above-mentioned body 10 inner inner bolt holes 15 from the stage casing, this external screw thread 23 passes outside the body 10, and be provided with external thread section 24 in the end of external screw thread 23, establish the usefulness of a drill bit 30 as lock;
This drill bit 30 is made by metal (middle-carbon steel) material, and these drill bit 30 centers are provided with interior threaded hole 31, is fixed into one so as to the external thread section 24 lock knots with packing screw 20.
Above-mentioned screw of once attacking nail provided by the utility model please be consulted Fig. 6, shown in Figure 7: the utility model embodiment two solid combination and perspective exploded view.And as shown in Figure 8: the utility model embodiment two cross section combination schematic representation.After this packing screw 20 is combined into one earlier with drill bit 30, in the packing screw 20 outside modes of penetrating wrap molding of utilizing body 10 is set again, this body 10 radial position place in body of rod stage casing simultaneously is provided with the slotted eye 16 that communicates with penetration hole 13.
Above-mentioned screw of once attacking nail provided by the utility model, this packing screw 20 also can make the driver slot (not shown) of across in the end of conical surface 21, can be for the usefulness of Phillips screwdriver instrument (not shown) interlock driving.
By the utility model that above-mentioned each modular construction combined, a kind of screw of once attacking nail is provided, on practical operation is used:
Please consult shown in Figure 9: the user mode schematic representation during the utility model embodiment one boring.The driving head 41 of Electric screw driver instrument 40 is sheathed on the driver slot 22 of packing screw 20, is drilled with a hole 51 in the pre-position of sheet material or wall 50 by drill bit 30.
Please consult shown in Figure 10: the user mode schematic representation when the utility model embodiment one locks.When holing, the body 10 of this screw is also and then locked in the hole 51.
Please consult shown in Figure 11: the user mode schematic representation when the utility model embodiment one expands.When the expansion retaining edge 11 of body 10 heads is run into sheet material or wall 50, body 10 promptly can't be locked again, this body 10 promptly maintains static, the external screw thread 23 of packing this moment screw 20 still continues to be screwed into the inner bolt hole 15 of body 10, this moment, body 10 was outside because of the extruding that is subjected to from packing screw 20 two ends stress, and dilatancy causes helical double wedge 12 to expand outwardly, and closely is fixed in the hole 61.
Please consult shown in Figure 12: the user mode schematic representation when the utility model embodiment one expands.When the expansion retaining edge 11 of body 10 heads is run into sheet material or wall 50, body 10 promptly can't be locked again, this body 10 promptly maintains static, the external screw thread 23 of packing this moment screw 20 still continues to be screwed into the inner bolt hole 15 of body 10, the slotted eye 16 that this moment, body 10 outsides were run through is because of the extruding that is subjected to from packing screw 20 two ends stress, and dilatancy causes helical double wedge 12 to expand outwardly, and closely is fixed in the hole 51.
Claims (9)
1. a screw of once attacking nail is characterized in that it is made up of body, packing screw, drill bit; Wherein:
This body is a hollow lever, and this body interior is provided with penetration hole, and this body is provided with conical bore at penetration hole one end corresponding to the head place, and this body differs from the head place at the penetration hole the other end and is provided with and can locks the inner bolt hole of establishing for the packing screw;
This packing screw one end is provided with the nose cone that coincide with above-mentioned body interior conical bore, the end of this conical surface is provided with and can supplies the sheathed driver slot of instrument, this packing screw the other end is provided with the external screw thread that screws togather with above-mentioned body interior inner bolt hole from the stage casing, this external screw thread passes outside the body, and is provided with drill bit in the end of external screw thread.
2. screw of once attacking nail as claimed in claim 1, after it is characterized in that this packing screw and drill bit are combined into one earlier, be provided with the slotted eye that communicates with penetration hole in outside radial position place of body that utilizes the mode of penetrating wrap molding to be provided with of packing screw again in body of rod stage casing.
3. screw of once attacking nail as claimed in claim 1 it is characterized in that this body and packing screw are made by plastic material, and this drill bit is made by metal material.
4. screw of once attacking nail as claimed in claim 1 is characterized in that the head of this body is provided with expansion retaining edge.
5. screw of once attacking nail as claimed in claim 1 is characterized in that the body of rod outside of this body is provided with the helical double wedge.
6. screw of once attacking nail as claimed in claim 1, the driver slot that it is characterized in that this packing screw is a hexagon.
7. screw of once attacking nail as claimed in claim 1, the driver slot that it is characterized in that this packing screw is a cross.
8. screw of once attacking nail as claimed in claim 1, the driver slot that it is characterized in that this packing screw is an in-line.
9. screw of once attacking nail as claimed in claim 1 is characterized in that this packing screw is provided with external thread section in the end of external screw thread, and this drill bit be provided with at the center can be for external thread section locking all-in-one-piece interior threaded hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420104870 CN2758549Y (en) | 2004-09-27 | 2004-09-27 | Once driving screw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420104870 CN2758549Y (en) | 2004-09-27 | 2004-09-27 | Once driving screw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2758549Y true CN2758549Y (en) | 2006-02-15 |
Family
ID=36078691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420104870 Expired - Fee Related CN2758549Y (en) | 2004-09-27 | 2004-09-27 | Once driving screw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2758549Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334996A (en) * | 2013-07-15 | 2013-10-02 | 苏州天华有色金属制品有限公司 | Stop screw component |
| CN104564962A (en) * | 2013-10-28 | 2015-04-29 | 徐福川 | Self-drilling type pull-bursting fastening piece and molding method thereof |
| CN107304780A (en) * | 2016-04-25 | 2017-10-31 | 李奇 | Expansion fastening device |
| CN107524677A (en) * | 2016-05-27 | 2017-12-29 | 林易攸 | Expansion screw without bar planting glue |
| CN110234893A (en) * | 2016-12-21 | 2019-09-13 | 卢德维希海蒂诗控股有限责任两合公司 | For engaging or the system of strengthening part |
-
2004
- 2004-09-27 CN CN 200420104870 patent/CN2758549Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103334996A (en) * | 2013-07-15 | 2013-10-02 | 苏州天华有色金属制品有限公司 | Stop screw component |
| CN104564962A (en) * | 2013-10-28 | 2015-04-29 | 徐福川 | Self-drilling type pull-bursting fastening piece and molding method thereof |
| CN107304780A (en) * | 2016-04-25 | 2017-10-31 | 李奇 | Expansion fastening device |
| CN107524677A (en) * | 2016-05-27 | 2017-12-29 | 林易攸 | Expansion screw without bar planting glue |
| CN110234893A (en) * | 2016-12-21 | 2019-09-13 | 卢德维希海蒂诗控股有限责任两合公司 | For engaging or the system of strengthening part |
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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 |